From 759eb040901af60d8a1a2b59b93805521b156cbb Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Wed, 21 Nov 2007 17:00:32 +0800 Subject: Blackfin Serial driver: Fix bug - serial driver in PIO mode cant handle input very quickly Output as many bytes as possible in PIO tx handler. This reduce the number of tx interrupts and shorten the delay to handle rx interrupt. So, rx overrun disappears. Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu --- drivers/serial/bfin_5xx.c | 62 +++++++++++------------------------------------ 1 file changed, 14 insertions(+), 48 deletions(-) (limited to 'drivers') diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index ac2a3ef28d5..e059475c91a 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -74,7 +74,6 @@ static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart); #else static void bfin_serial_do_work(struct work_struct *work); static void bfin_serial_tx_chars(struct bfin_serial_port *uart); -static void local_put_char(struct bfin_serial_port *uart, char ch); #endif static void bfin_serial_mctrl_check(struct bfin_serial_port *uart); @@ -85,6 +84,9 @@ static void bfin_serial_mctrl_check(struct bfin_serial_port *uart); static void bfin_serial_stop_tx(struct uart_port *port) { struct bfin_serial_port *uart = (struct bfin_serial_port *)port; +#ifndef CONFIG_BF54x + unsigned short ier; +#endif while (!(UART_GET_LSR(uart) & TEMT)) continue; @@ -100,8 +102,6 @@ static void bfin_serial_stop_tx(struct uart_port *port) UART_PUT_LSR(uart, TFI); UART_CLEAR_IER(uart, ETBEI); #else - unsigned short ier; - ier = UART_GET_IER(uart); ier &= ~ETBEI; UART_PUT_IER(uart, ier); @@ -210,23 +210,6 @@ int kgdb_get_debug_char(void) #endif #ifdef CONFIG_SERIAL_BFIN_PIO -static void local_put_char(struct bfin_serial_port *uart, char ch) -{ - unsigned short status; - int flags = 0; - - spin_lock_irqsave(&uart->port.lock, flags); - - do { - status = UART_GET_LSR(uart); - } while (!(status & THRE)); - - UART_PUT_CHAR(uart, ch); - SSYNC(); - - spin_unlock_irqrestore(&uart->port.lock, flags); -} - static void bfin_serial_rx_chars(struct bfin_serial_port *uart) { struct tty_struct *tty = uart->port.info->tty; @@ -236,8 +219,8 @@ static void bfin_serial_rx_chars(struct bfin_serial_port *uart) struct pt_regs *regs = get_irq_regs(); #endif - status = UART_GET_LSR(uart); ch = UART_GET_CHAR(uart); + status = UART_GET_LSR(uart); uart->port.icount.rx++; #ifdef CONFIG_KGDB_UART @@ -337,9 +320,12 @@ static void bfin_serial_tx_chars(struct bfin_serial_port *uart) return; } - local_put_char(uart, xmit->buf[xmit->tail]); - xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); - uart->port.icount.tx++; + while ((UART_GET_LSR(uart) & THRE) && xmit->tail != xmit->head) { + UART_PUT_CHAR(uart, xmit->buf[xmit->tail]); + xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); + uart->port.icount.tx++; + SSYNC(); + } if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) uart_write_wakeup(&uart->port); @@ -352,21 +338,11 @@ static irqreturn_t bfin_serial_rx_int(int irq, void *dev_id) { struct bfin_serial_port *uart = dev_id; -#ifdef CONFIG_BF54x - unsigned short status; spin_lock(&uart->port.lock); - status = UART_GET_LSR(uart); - while ((UART_GET_IER(uart) & ERBFI) && (status & DR)) { + while ((UART_GET_IER(uart) & ERBFI) && (UART_GET_LSR(uart) & DR)) bfin_serial_rx_chars(uart); - status = UART_GET_LSR(uart); - } spin_unlock(&uart->port.lock); -#else - spin_lock(&uart->port.lock); - while ((UART_GET_IIR(uart) & IIR_STATUS) == IIR_RX_READY) - bfin_serial_rx_chars(uart); - spin_unlock(&uart->port.lock); -#endif + return IRQ_HANDLED; } @@ -374,21 +350,11 @@ static irqreturn_t bfin_serial_tx_int(int irq, void *dev_id) { struct bfin_serial_port *uart = dev_id; -#ifdef CONFIG_BF54x - unsigned short status; spin_lock(&uart->port.lock); - status = UART_GET_LSR(uart); - while ((UART_GET_IER(uart) & ETBEI) && (status & THRE)) { + if ((UART_GET_IER(uart) & ETBEI) && (UART_GET_LSR(uart) & THRE)) bfin_serial_tx_chars(uart); - status = UART_GET_LSR(uart); - } spin_unlock(&uart->port.lock); -#else - spin_lock(&uart->port.lock); - while ((UART_GET_IIR(uart) & IIR_STATUS) == IIR_TX_READY) - bfin_serial_tx_chars(uart); - spin_unlock(&uart->port.lock); -#endif + return IRQ_HANDLED; } -- cgit v1.2.3 From 1b73351c6afcc3acbf9e29a43ee14b3c9a386503 Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Fri, 21 Dec 2007 16:45:12 +0800 Subject: [Blackfin] serial driver: Clean up UART DMA code. Start next TX DMA in tx dma handler instead of rx timer handler. Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu --- drivers/serial/bfin_5xx.c | 25 ++++++++++--------------- 1 file changed, 10 insertions(+), 15 deletions(-) (limited to 'drivers') diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index e059475c91a..3a2aa7e277f 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -84,7 +84,7 @@ static void bfin_serial_mctrl_check(struct bfin_serial_port *uart); static void bfin_serial_stop_tx(struct uart_port *port) { struct bfin_serial_port *uart = (struct bfin_serial_port *)port; -#ifndef CONFIG_BF54x +#if !defined(CONFIG_BF54x) && !defined(CONFIG_SERIAL_BFIN_DMA) unsigned short ier; #endif @@ -307,7 +307,6 @@ static void bfin_serial_tx_chars(struct bfin_serial_port *uart) UART_PUT_CHAR(uart, uart->port.x_char); uart->port.icount.tx++; uart->port.x_char = 0; - return; } /* * Check the modem control lines before @@ -376,28 +375,26 @@ static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart) if (!uart->tx_done) return; - uart->tx_done = 0; + if (uart_circ_empty(xmit) || uart_tx_stopped(&uart->port)) { + bfin_serial_stop_tx(&uart->port); + uart->tx_done = 1; + return; + } + if (uart->port.x_char) { UART_PUT_CHAR(uart, uart->port.x_char); uart->port.icount.tx++; uart->port.x_char = 0; - uart->tx_done = 1; - return; } + /* * Check the modem control lines before * transmitting anything. */ bfin_serial_mctrl_check(uart); - if (uart_circ_empty(xmit) || uart_tx_stopped(&uart->port)) { - bfin_serial_stop_tx(&uart->port); - uart->tx_done = 1; - return; - } - spin_lock_irqsave(&uart->port.lock, flags); uart->tx_count = CIRC_CNT(xmit->head, xmit->tail, UART_XMIT_SIZE); if (uart->tx_count > (UART_XMIT_SIZE - xmit->tail)) @@ -471,8 +468,6 @@ void bfin_serial_rx_dma_timeout(struct bfin_serial_port *uart) int x_pos, pos; int flags = 0; - bfin_serial_dma_tx_chars(uart); - spin_lock_irqsave(&uart->port.lock, flags); x_pos = DMA_RX_XCOUNT - get_dma_curr_xcount(uart->rx_dma_channel); if (x_pos == DMA_RX_XCOUNT) @@ -513,9 +508,9 @@ static irqreturn_t bfin_serial_dma_tx_int(int irq, void *dev_id) if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) uart_write_wakeup(&uart->port); - if (uart_circ_empty(xmit)) - bfin_serial_stop_tx(&uart->port); uart->tx_done = 1; + + bfin_serial_dma_tx_chars(uart); } spin_unlock(&uart->port.lock); -- cgit v1.2.3 From 75b780bd99b851682289e7a88763ede5a936edb0 Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Fri, 21 Dec 2007 17:03:39 +0800 Subject: [Blackfin] serial driver: Fix bug Free rx dma buffer in shutdown. Kernel crash for the serial driver in DMA mode: http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=3679 Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu --- drivers/serial/bfin_5xx.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index 3a2aa7e277f..838f491c8de 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -704,6 +704,7 @@ static void bfin_serial_shutdown(struct uart_port *port) disable_dma(uart->rx_dma_channel); free_dma(uart->rx_dma_channel); del_timer(&(uart->rx_dma_timer)); + dma_free_coherent(NULL, PAGE_SIZE, uart->rx_dma_buf.buf, 0); #else #ifdef CONFIG_KGDB_UART if (uart->port.line != CONFIG_KGDB_UART_PORT) -- cgit v1.2.3 From 99ee7b5f3a68324807650f650f2613bbe281627f Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Fri, 21 Dec 2007 17:12:55 +0800 Subject: [Blackfin] serial driver: Fix bug serial driver in DMA mode spams history to console on shell restart http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=2920 Fix by increasing buffer tail immediately before starting tx dma. Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu --- drivers/serial/bfin_5xx.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index 838f491c8de..007414639e3 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -411,6 +411,10 @@ static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart) set_dma_x_count(uart->tx_dma_channel, uart->tx_count); set_dma_x_modify(uart->tx_dma_channel, 1); enable_dma(uart->tx_dma_channel); + + xmit->tail = (xmit->tail + uart->tx_count) & (UART_XMIT_SIZE - 1); + uart->port.icount.tx += uart->tx_count; + #ifdef CONFIG_BF54x UART_SET_IER(uart, ETBEI); #else @@ -502,9 +506,6 @@ static irqreturn_t bfin_serial_dma_tx_int(int irq, void *dev_id) ier &= ~ETBEI; UART_PUT_IER(uart, ier); #endif - xmit->tail = (xmit->tail+uart->tx_count) &(UART_XMIT_SIZE -1); - uart->port.icount.tx+=uart->tx_count; - if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) uart_write_wakeup(&uart->port); -- cgit v1.2.3 From 4c195ad88b7df54b2e7340dec3446aee6ca84cd1 Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Sun, 23 Dec 2007 23:18:08 +0800 Subject: [Blackfin] serial driver: fix bug - should not wait for the TFI bit, just clear it when tx stop. Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu --- drivers/serial/bfin_5xx.c | 3 --- 1 file changed, 3 deletions(-) (limited to 'drivers') diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index 007414639e3..ca9ceaa113a 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -95,9 +95,6 @@ static void bfin_serial_stop_tx(struct uart_port *port) disable_dma(uart->tx_dma_channel); #else #ifdef CONFIG_BF54x - /* Waiting for Transmission Finished */ - while (!(UART_GET_LSR(uart) & TFI)) - continue; /* Clear TFI bit */ UART_PUT_LSR(uart, TFI); UART_CLEAR_IER(uart, ETBEI); -- cgit v1.2.3 From 0bcfd70ea11a5d6f2362be463513a60245a62baf Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Mon, 24 Dec 2007 19:40:05 +0800 Subject: [Blackfin] serial driver: fix bug - cache the bits of the LSR on systems where the LSR is read-to-clear Cache the bits of the LSR on systems where the LSR is read-to-clear so that we can safely read the LSR in random places. this fixes older parts where break/framing/parity/overflow was not being detected at all in PIO mode, and this fixes newer parts where break/framing/parity/overflow was being reported all the time without being cleared. Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- drivers/serial/bfin_5xx.c | 10 +++++++--- include/asm-blackfin/mach-bf527/bfin_serial_5xx.h | 19 ++++++++++++++++++- include/asm-blackfin/mach-bf533/bfin_serial_5xx.h | 19 ++++++++++++++++++- include/asm-blackfin/mach-bf537/bfin_serial_5xx.h | 19 ++++++++++++++++++- include/asm-blackfin/mach-bf548/bfin_serial_5xx.h | 1 + include/asm-blackfin/mach-bf561/bfin_serial_5xx.h | 19 ++++++++++++++++++- 6 files changed, 80 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index ca9ceaa113a..af84984df77 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -216,8 +216,10 @@ static void bfin_serial_rx_chars(struct bfin_serial_port *uart) struct pt_regs *regs = get_irq_regs(); #endif - ch = UART_GET_CHAR(uart); status = UART_GET_LSR(uart); + UART_CLEAR_LSR(uart); + + ch = UART_GET_CHAR(uart); uart->port.icount.rx++; #ifdef CONFIG_KGDB_UART @@ -335,7 +337,7 @@ static irqreturn_t bfin_serial_rx_int(int irq, void *dev_id) struct bfin_serial_port *uart = dev_id; spin_lock(&uart->port.lock); - while ((UART_GET_IER(uart) & ERBFI) && (UART_GET_LSR(uart) & DR)) + while (UART_GET_LSR(uart) & DR) bfin_serial_rx_chars(uart); spin_unlock(&uart->port.lock); @@ -347,7 +349,7 @@ static irqreturn_t bfin_serial_tx_int(int irq, void *dev_id) struct bfin_serial_port *uart = dev_id; spin_lock(&uart->port.lock); - if ((UART_GET_IER(uart) & ETBEI) && (UART_GET_LSR(uart) & THRE)) + if (UART_GET_LSR(uart) & THRE) bfin_serial_tx_chars(uart); spin_unlock(&uart->port.lock); @@ -428,6 +430,8 @@ static void bfin_serial_dma_rx_chars(struct bfin_serial_port *uart) int i, flg, status; status = UART_GET_LSR(uart); + UART_CLEAR_LSR(uart); + uart->port.icount.rx += CIRC_CNT(uart->rx_dma_buf.head, uart->rx_dma_buf.tail, UART_XMIT_SIZE);; if (status & BI) { diff --git a/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h index 15dbc21eed8..233c585efc1 100644 --- a/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h +++ b/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h @@ -23,7 +23,6 @@ #define UART_GET_DLH(uart) bfin_read16(((uart)->port.membase + OFFSET_DLH)) #define UART_GET_IIR(uart) bfin_read16(((uart)->port.membase + OFFSET_IIR)) #define UART_GET_LCR(uart) bfin_read16(((uart)->port.membase + OFFSET_LCR)) -#define UART_GET_LSR(uart) bfin_read16(((uart)->port.membase + OFFSET_LSR)) #define UART_GET_GCTL(uart) bfin_read16(((uart)->port.membase + OFFSET_GCTL)) #define UART_PUT_CHAR(uart, v) bfin_write16(((uart)->port.membase + OFFSET_THR), v) @@ -58,6 +57,7 @@ struct bfin_serial_port { struct uart_port port; unsigned int old_status; + unsigned int lsr; #ifdef CONFIG_SERIAL_BFIN_DMA int tx_done; int tx_count; @@ -76,6 +76,23 @@ struct bfin_serial_port { #endif }; +/* The hardware clears the LSR bits upon read, so we need to cache + * some of the more fun bits in software so they don't get lost + * when checking the LSR in other code paths (TX). + */ +static inline unsigned int UART_GET_LSR(struct bfin_serial_port *uart) +{ + unsigned int lsr = bfin_read16(uart->port.membase + OFFSET_LSR); + uart->lsr |= (lsr & (BI|FE|PE|OE)); + return lsr | uart->lsr; +} + +static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart) +{ + uart->lsr = 0; + bfin_write16(uart->port.membase + OFFSET_LSR, -1); +} + struct bfin_serial_port bfin_serial_ports[NR_PORTS]; struct bfin_serial_res { unsigned long uart_base_addr; diff --git a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h index 7871d4313f4..b619065ceeb 100644 --- a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h +++ b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h @@ -23,7 +23,6 @@ #define UART_GET_DLH(uart) bfin_read16(((uart)->port.membase + OFFSET_DLH)) #define UART_GET_IIR(uart) bfin_read16(((uart)->port.membase + OFFSET_IIR)) #define UART_GET_LCR(uart) bfin_read16(((uart)->port.membase + OFFSET_LCR)) -#define UART_GET_LSR(uart) bfin_read16(((uart)->port.membase + OFFSET_LSR)) #define UART_GET_GCTL(uart) bfin_read16(((uart)->port.membase + OFFSET_GCTL)) #define UART_PUT_CHAR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_THR),v) @@ -46,6 +45,7 @@ struct bfin_serial_port { struct uart_port port; unsigned int old_status; + unsigned int lsr; #ifdef CONFIG_SERIAL_BFIN_DMA int tx_done; int tx_count; @@ -64,6 +64,23 @@ struct bfin_serial_port { #endif }; +/* The hardware clears the LSR bits upon read, so we need to cache + * some of the more fun bits in software so they don't get lost + * when checking the LSR in other code paths (TX). + */ +static inline unsigned int UART_GET_LSR(struct bfin_serial_port *uart) +{ + unsigned int lsr = bfin_read16(uart->port.membase + OFFSET_LSR); + uart->lsr |= (lsr & (BI|FE|PE|OE)); + return lsr | uart->lsr; +} + +static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart) +{ + uart->lsr = 0; + bfin_write16(uart->port.membase + OFFSET_LSR, -1); +} + struct bfin_serial_port bfin_serial_ports[NR_PORTS]; struct bfin_serial_res { unsigned long uart_base_addr; diff --git a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h index 86e45c37983..f18c517cc93 100644 --- a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h +++ b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h @@ -23,7 +23,6 @@ #define UART_GET_DLH(uart) bfin_read16(((uart)->port.membase + OFFSET_DLH)) #define UART_GET_IIR(uart) bfin_read16(((uart)->port.membase + OFFSET_IIR)) #define UART_GET_LCR(uart) bfin_read16(((uart)->port.membase + OFFSET_LCR)) -#define UART_GET_LSR(uart) bfin_read16(((uart)->port.membase + OFFSET_LSR)) #define UART_GET_GCTL(uart) bfin_read16(((uart)->port.membase + OFFSET_GCTL)) #define UART_PUT_CHAR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_THR),v) @@ -58,6 +57,7 @@ struct bfin_serial_port { struct uart_port port; unsigned int old_status; + unsigned int lsr; #ifdef CONFIG_SERIAL_BFIN_DMA int tx_done; int tx_count; @@ -76,6 +76,23 @@ struct bfin_serial_port { #endif }; +/* The hardware clears the LSR bits upon read, so we need to cache + * some of the more fun bits in software so they don't get lost + * when checking the LSR in other code paths (TX). + */ +static inline unsigned int UART_GET_LSR(struct bfin_serial_port *uart) +{ + unsigned int lsr = bfin_read16(uart->port.membase + OFFSET_LSR); + uart->lsr |= (lsr & (BI|FE|PE|OE)); + return lsr | uart->lsr; +} + +static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart) +{ + uart->lsr = 0; + bfin_write16(uart->port.membase + OFFSET_LSR, -1); +} + struct bfin_serial_port bfin_serial_ports[NR_PORTS]; struct bfin_serial_res { unsigned long uart_base_addr; diff --git a/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h index 3770aa38ee9..8733d47747e 100644 --- a/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h +++ b/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h @@ -32,6 +32,7 @@ #define UART_PUT_DLH(uart,v) bfin_write16(((uart)->port.membase + OFFSET_DLH),v) #define UART_PUT_LSR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_LSR),v) #define UART_PUT_LCR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_LCR),v) +#define UART_CLEAR_LSR(uart) bfin_write16(((uart)->port.membase + OFFSET_LSR), -1) #define UART_PUT_GCTL(uart,v) bfin_write16(((uart)->port.membase + OFFSET_GCTL),v) #if defined(CONFIG_BFIN_UART0_CTSRTS) || defined(CONFIG_BFIN_UART1_CTSRTS) diff --git a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h index 7871d4313f4..b619065ceeb 100644 --- a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h +++ b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h @@ -23,7 +23,6 @@ #define UART_GET_DLH(uart) bfin_read16(((uart)->port.membase + OFFSET_DLH)) #define UART_GET_IIR(uart) bfin_read16(((uart)->port.membase + OFFSET_IIR)) #define UART_GET_LCR(uart) bfin_read16(((uart)->port.membase + OFFSET_LCR)) -#define UART_GET_LSR(uart) bfin_read16(((uart)->port.membase + OFFSET_LSR)) #define UART_GET_GCTL(uart) bfin_read16(((uart)->port.membase + OFFSET_GCTL)) #define UART_PUT_CHAR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_THR),v) @@ -46,6 +45,7 @@ struct bfin_serial_port { struct uart_port port; unsigned int old_status; + unsigned int lsr; #ifdef CONFIG_SERIAL_BFIN_DMA int tx_done; int tx_count; @@ -64,6 +64,23 @@ struct bfin_serial_port { #endif }; +/* The hardware clears the LSR bits upon read, so we need to cache + * some of the more fun bits in software so they don't get lost + * when checking the LSR in other code paths (TX). + */ +static inline unsigned int UART_GET_LSR(struct bfin_serial_port *uart) +{ + unsigned int lsr = bfin_read16(uart->port.membase + OFFSET_LSR); + uart->lsr |= (lsr & (BI|FE|PE|OE)); + return lsr | uart->lsr; +} + +static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart) +{ + uart->lsr = 0; + bfin_write16(uart->port.membase + OFFSET_LSR, -1); +} + struct bfin_serial_port bfin_serial_ports[NR_PORTS]; struct bfin_serial_res { unsigned long uart_base_addr; -- cgit v1.2.3 From 8851c71eb97610f0f63121d62345c969f71201a2 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Mon, 24 Dec 2007 19:48:04 +0800 Subject: [Blackfin] serial driver: rework break flood anomaly handling to be more robust/realistic about what we can actually work around Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- drivers/serial/bfin_5xx.c | 66 ++++++++++++++++++----- include/asm-blackfin/mach-bf533/bfin_serial_5xx.h | 3 ++ include/asm-blackfin/mach-bf561/bfin_serial_5xx.h | 3 ++ 3 files changed, 58 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index af84984df77..50aa3b2a19b 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -206,12 +206,20 @@ int kgdb_get_debug_char(void) } #endif +#if ANOMALY_05000230 && defined(CONFIG_SERIAL_BFIN_PIO) +# define UART_GET_ANOMALY_THRESHOLD(uart) ((uart)->anomaly_threshold) +# define UART_SET_ANOMALY_THRESHOLD(uart, v) ((uart)->anomaly_threshold = (v)) +#else +# define UART_GET_ANOMALY_THRESHOLD(uart) 0 +# define UART_SET_ANOMALY_THRESHOLD(uart, v) +#endif + #ifdef CONFIG_SERIAL_BFIN_PIO static void bfin_serial_rx_chars(struct bfin_serial_port *uart) { struct tty_struct *tty = uart->port.info->tty; unsigned int status, ch, flg; - static int in_break = 0; + static struct timeval anomaly_start = { .tv_sec = 0 }; #ifdef CONFIG_KGDB_UART struct pt_regs *regs = get_irq_regs(); #endif @@ -244,28 +252,56 @@ static void bfin_serial_rx_chars(struct bfin_serial_port *uart) #endif if (ANOMALY_05000230) { - /* The BF533 family of processors have a nice misbehavior where - * they continuously generate characters for a "single" break. + /* The BF533 (and BF561) family of processors have a nice anomaly + * where they continuously generate characters for a "single" break. * We have to basically ignore this flood until the "next" valid - * character comes across. All other Blackfin families operate - * properly though. + * character comes across. Due to the nature of the flood, it is + * not possible to reliably catch bytes that are sent too quickly + * after this break. So application code talking to the Blackfin + * which sends a break signal must allow at least 1.5 character + * times after the end of the break for things to stabilize. This + * timeout was picked as it must absolutely be larger than 1 + * character time +/- some percent. So 1.5 sounds good. All other + * Blackfin families operate properly. Woo. * Note: While Anomaly 05000230 does not directly address this, * the changes that went in for it also fixed this issue. + * That anomaly was fixed in 0.5+ silicon. I like bunnies. */ - if (in_break) { - if (ch != 0) { - in_break = 0; - ch = UART_GET_CHAR(uart); - if (bfin_revid() < 5) - return; - } else - return; + if (anomaly_start.tv_sec) { + struct timeval curr; + suseconds_t usecs; + + if ((~ch & (~ch + 1)) & 0xff) + goto known_good_char; + + do_gettimeofday(&curr); + if (curr.tv_sec - anomaly_start.tv_sec > 1) + goto known_good_char; + + usecs = 0; + if (curr.tv_sec != anomaly_start.tv_sec) + usecs += USEC_PER_SEC; + usecs += curr.tv_usec - anomaly_start.tv_usec; + + if (usecs > UART_GET_ANOMALY_THRESHOLD(uart)) + goto known_good_char; + + if (ch) + anomaly_start.tv_sec = 0; + else + anomaly_start = curr; + + return; + + known_good_char: + anomaly_start.tv_sec = 0; } } if (status & BI) { if (ANOMALY_05000230) - in_break = 1; + if (bfin_revid() < 5) + do_gettimeofday(&anomaly_start); uart->port.icount.brk++; if (uart_handle_break(&uart->port)) goto ignore_char; @@ -778,6 +814,8 @@ bfin_serial_set_termios(struct uart_port *port, struct ktermios *termios, quot = uart_get_divisor(port, baud); spin_lock_irqsave(&uart->port.lock, flags); + UART_SET_ANOMALY_THRESHOLD(uart, USEC_PER_SEC / baud * 15); + do { lsr = UART_GET_LSR(uart); } while (!(lsr & TEMT)); diff --git a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h index b619065ceeb..a1b4f4eebd0 100644 --- a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h +++ b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h @@ -57,6 +57,9 @@ struct bfin_serial_port { struct work_struct tx_dma_workqueue; #else struct work_struct cts_workqueue; +# if ANOMALY_05000230 + unsigned int anomaly_threshold; +# endif #endif #ifdef CONFIG_SERIAL_BFIN_CTSRTS int cts_pin; diff --git a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h index b619065ceeb..a1b4f4eebd0 100644 --- a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h +++ b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h @@ -57,6 +57,9 @@ struct bfin_serial_port { struct work_struct tx_dma_workqueue; #else struct work_struct cts_workqueue; +# if ANOMALY_05000230 + unsigned int anomaly_threshold; +# endif #endif #ifdef CONFIG_SERIAL_BFIN_CTSRTS int cts_pin; -- cgit v1.2.3 From 1ba7a3ee310138015e744444043ce3e947429fce Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Fri, 11 Jan 2008 15:56:26 +0800 Subject: [Blackfin] serial driver: use simpler comment headers and strip out information that is maintained in the scm's log Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- drivers/serial/bfin_5xx.c | 27 ++++----------------------- 1 file changed, 4 insertions(+), 23 deletions(-) (limited to 'drivers') diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index 50aa3b2a19b..a07df539e52 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -1,30 +1,11 @@ /* - * File: drivers/serial/bfin_5xx.c - * Based on: Based on drivers/serial/sa1100.c - * Author: Aubrey Li + * Blackfin On-Chip Serial Driver * - * Created: - * Description: Driver for blackfin 5xx serial ports + * Copyright 2006-2007 Analog Devices Inc. * - * Modified: - * Copyright 2006 Analog Devices Inc. + * Enter bugs at http://blackfin.uclinux.org/ * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * Licensed under the GPL-2 or later. */ #if defined(CONFIG_SERIAL_BFIN_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) -- cgit v1.2.3 From 095455682e29dbbc9f93ad83db459df524524992 Mon Sep 17 00:00:00 2001 From: Michael Hennerich Date: Sat, 2 Feb 2008 15:58:30 +0800 Subject: [Blackfin] serial driver: ADSP-BF52x arch/mach support Signed-off-by: Michael Hennerich Signed-off-by: Bryan Wu --- drivers/serial/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index b82595cf13e..202fb5c99b8 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -686,7 +686,7 @@ config UART0_RTS_PIN config SERIAL_BFIN_UART1 bool "Enable UART1" - depends on SERIAL_BFIN && (BF534 || BF536 || BF537 || BF54x) + depends on SERIAL_BFIN && (!BF531 && !BF532 && !BF533 && !BF561) help Enable UART1 -- cgit v1.2.3 From 4cb4f22b19237e63c460c53fbd1c417cdaf63014 Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Sat, 2 Feb 2008 14:29:25 +0800 Subject: [Blackfin] serial driver: Fix bug Poll RTS/CTS status in DMA mode as well https://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=3858 Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu --- drivers/serial/bfin_5xx.c | 16 +++++----------- include/asm-blackfin/mach-bf527/bfin_serial_5xx.h | 3 +-- include/asm-blackfin/mach-bf533/bfin_serial_5xx.h | 2 +- include/asm-blackfin/mach-bf537/bfin_serial_5xx.h | 3 +-- include/asm-blackfin/mach-bf548/bfin_serial_5xx.h | 3 +-- include/asm-blackfin/mach-bf561/bfin_serial_5xx.h | 2 +- 6 files changed, 10 insertions(+), 19 deletions(-) (limited to 'drivers') diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index a07df539e52..af866ab3f5a 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -53,7 +53,6 @@ #ifdef CONFIG_SERIAL_BFIN_DMA static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart); #else -static void bfin_serial_do_work(struct work_struct *work); static void bfin_serial_tx_chars(struct bfin_serial_port *uart); #endif @@ -372,8 +371,9 @@ static irqreturn_t bfin_serial_tx_int(int irq, void *dev_id) return IRQ_HANDLED; } +#endif - +#ifdef CONFIG_SERIAL_BFIN_CTSRTS static void bfin_serial_do_work(struct work_struct *work) { struct bfin_serial_port *uart = container_of(work, struct bfin_serial_port, cts_workqueue); @@ -607,22 +607,17 @@ static void bfin_serial_mctrl_check(struct bfin_serial_port *uart) { #ifdef CONFIG_SERIAL_BFIN_CTSRTS unsigned int status; -# ifdef CONFIG_SERIAL_BFIN_DMA struct uart_info *info = uart->port.info; struct tty_struct *tty = info->tty; status = bfin_serial_get_mctrl(&uart->port); + uart_handle_cts_change(&uart->port, status & TIOCM_CTS); if (!(status & TIOCM_CTS)) { tty->hw_stopped = 1; + schedule_work(&uart->cts_workqueue); } else { tty->hw_stopped = 0; } -# else - status = bfin_serial_get_mctrl(&uart->port); - uart_handle_cts_change(&uart->port, status & TIOCM_CTS); - if (!(status & TIOCM_CTS)) - schedule_work(&uart->cts_workqueue); -# endif #endif } @@ -939,10 +934,9 @@ static void __init bfin_serial_init_ports(void) bfin_serial_ports[i].rx_dma_channel = bfin_serial_resource[i].uart_rx_dma_channel; init_timer(&(bfin_serial_ports[i].rx_dma_timer)); -#else - INIT_WORK(&bfin_serial_ports[i].cts_workqueue, bfin_serial_do_work); #endif #ifdef CONFIG_SERIAL_BFIN_CTSRTS + INIT_WORK(&bfin_serial_ports[i].cts_workqueue, bfin_serial_do_work); bfin_serial_ports[i].cts_pin = bfin_serial_resource[i].uart_cts_pin; bfin_serial_ports[i].rts_pin = diff --git a/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h index 233c585efc1..c0694ecd2ec 100644 --- a/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h +++ b/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h @@ -67,10 +67,9 @@ struct bfin_serial_port { unsigned int tx_dma_channel; unsigned int rx_dma_channel; struct work_struct tx_dma_workqueue; -#else - struct work_struct cts_workqueue; #endif #ifdef CONFIG_SERIAL_BFIN_CTSRTS + struct work_struct cts_workqueue; int cts_pin; int rts_pin; #endif diff --git a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h index a1b4f4eebd0..b6f513bee56 100644 --- a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h +++ b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h @@ -56,12 +56,12 @@ struct bfin_serial_port { unsigned int rx_dma_channel; struct work_struct tx_dma_workqueue; #else - struct work_struct cts_workqueue; # if ANOMALY_05000230 unsigned int anomaly_threshold; # endif #endif #ifdef CONFIG_SERIAL_BFIN_CTSRTS + struct work_struct cts_workqueue; int cts_pin; int rts_pin; #endif diff --git a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h index f18c517cc93..8fc672d3105 100644 --- a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h +++ b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h @@ -67,10 +67,9 @@ struct bfin_serial_port { unsigned int tx_dma_channel; unsigned int rx_dma_channel; struct work_struct tx_dma_workqueue; -#else - struct work_struct cts_workqueue; #endif #ifdef CONFIG_SERIAL_BFIN_CTSRTS + struct work_struct cts_workqueue; int cts_pin; int rts_pin; #endif diff --git a/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h index 8733d47747e..c459c484646 100644 --- a/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h +++ b/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h @@ -69,10 +69,9 @@ struct bfin_serial_port { unsigned int tx_dma_channel; unsigned int rx_dma_channel; struct work_struct tx_dma_workqueue; -#else - struct work_struct cts_workqueue; #endif #ifdef CONFIG_SERIAL_BFIN_CTSRTS + struct work_struct cts_workqueue; int cts_pin; int rts_pin; #endif diff --git a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h index a1b4f4eebd0..b6f513bee56 100644 --- a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h +++ b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h @@ -56,12 +56,12 @@ struct bfin_serial_port { unsigned int rx_dma_channel; struct work_struct tx_dma_workqueue; #else - struct work_struct cts_workqueue; # if ANOMALY_05000230 unsigned int anomaly_threshold; # endif #endif #ifdef CONFIG_SERIAL_BFIN_CTSRTS + struct work_struct cts_workqueue; int cts_pin; int rts_pin; #endif -- cgit v1.2.3 From db288381e26e592b11572ce8199bedeadf0c0830 Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Sat, 2 Feb 2008 17:05:02 +0800 Subject: [Blackfin] serial driver: Add flow control support to bf54x Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu --- drivers/serial/Kconfig | 4 ++-- drivers/serial/bfin_5xx.c | 12 ++++++++++++ include/asm-blackfin/mach-bf548/bfin_serial_5xx.h | 3 +++ 3 files changed, 17 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index 202fb5c99b8..cf627cd1b4c 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -699,14 +699,14 @@ config BFIN_UART1_CTSRTS config UART1_CTS_PIN int "UART1 CTS pin" - depends on BFIN_UART1_CTSRTS && (BF53x || BF561) + depends on BFIN_UART1_CTSRTS && !BF54x default -1 help Refer to ./include/asm-blackfin/gpio.h to see the GPIO map. config UART1_RTS_PIN int "UART1 RTS pin" - depends on BFIN_UART1_CTSRTS && (BF53x || BF561) + depends on BFIN_UART1_CTSRTS && !BF54x default -1 help Refer to ./include/asm-blackfin/gpio.h to see the GPIO map. diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index af866ab3f5a..69ac7007682 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -579,7 +579,11 @@ static unsigned int bfin_serial_get_mctrl(struct uart_port *port) if (uart->cts_pin < 0) return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR; +# ifdef BF54x + if (UART_GET_MSR(uart) & CTS) +# else if (gpio_get_value(uart->cts_pin)) +# endif return TIOCM_DSR | TIOCM_CAR; else #endif @@ -594,9 +598,17 @@ static void bfin_serial_set_mctrl(struct uart_port *port, unsigned int mctrl) return; if (mctrl & TIOCM_RTS) +# ifdef BF54x + UART_PUT_MCR(uart, UART_GET_MCR(uart) & ~MRTS); +# else gpio_set_value(uart->rts_pin, 0); +# endif else +# ifdef BF54x + UART_PUT_MCR(uart, UART_GET_MCR(uart) | MRTS); +# else gpio_set_value(uart->rts_pin, 1); +# endif #endif } diff --git a/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h index c459c484646..7e6339f62a5 100644 --- a/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h +++ b/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h @@ -24,6 +24,8 @@ #define UART_GET_LCR(uart) bfin_read16(((uart)->port.membase + OFFSET_LCR)) #define UART_GET_LSR(uart) bfin_read16(((uart)->port.membase + OFFSET_LSR)) #define UART_GET_GCTL(uart) bfin_read16(((uart)->port.membase + OFFSET_GCTL)) +#define UART_GET_MSR(uart) bfin_read16(((uart)->port.membase + OFFSET_MSR)) +#define UART_GET_MCR(uart) bfin_read16(((uart)->port.membase + OFFSET_MCR)) #define UART_PUT_CHAR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_THR),v) #define UART_PUT_DLL(uart,v) bfin_write16(((uart)->port.membase + OFFSET_DLL),v) @@ -34,6 +36,7 @@ #define UART_PUT_LCR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_LCR),v) #define UART_CLEAR_LSR(uart) bfin_write16(((uart)->port.membase + OFFSET_LSR), -1) #define UART_PUT_GCTL(uart,v) bfin_write16(((uart)->port.membase + OFFSET_GCTL),v) +#define UART_PUT_MCR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_MCR),v) #if defined(CONFIG_BFIN_UART0_CTSRTS) || defined(CONFIG_BFIN_UART1_CTSRTS) # define CONFIG_SERIAL_BFIN_CTSRTS -- cgit v1.2.3 From a235ef2c632a096cdb2b02379c89b49e97faaaa4 Mon Sep 17 00:00:00 2001 From: Alex Bounine Date: Mon, 11 Feb 2008 14:33:40 -0500 Subject: Tsi108_eth: add missing linking to driver data Bug fix for tsi108_eth network driver. This patch adds missing linking to driver data. Signed-off-by: Alexandre Bounine Signed-off-by: Jeff Garzik --- drivers/net/tsi108_eth.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/net/tsi108_eth.c b/drivers/net/tsi108_eth.c index 35d15e85007..6f222d7e912 100644 --- a/drivers/net/tsi108_eth.c +++ b/drivers/net/tsi108_eth.c @@ -1629,6 +1629,7 @@ tsi108_init_one(struct platform_device *pdev) goto register_fail; } + platform_set_drvdata(pdev, dev); printk(KERN_INFO "%s: Tsi108 Gigabit Ethernet, MAC: %s\n", dev->name, print_mac(mac, dev->dev_addr)); #ifdef DEBUG -- cgit v1.2.3 From 6a87155a39f538f9d13cebf2c9b7c19bd41d7da9 Mon Sep 17 00:00:00 2001 From: Alex Bounine Date: Mon, 11 Feb 2008 14:35:26 -0500 Subject: Tsi108_eth: fix detection of 1000Mb mode Bug fix for tsi108_eth network driver. This patch fixes a problem with detection of 1000Mb speed. Signed-off-by: Alexandre Bounine Signed-off-by: Jeff Garzik --- drivers/net/tsi108_eth.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/tsi108_eth.c b/drivers/net/tsi108_eth.c index 6f222d7e912..2e87876d662 100644 --- a/drivers/net/tsi108_eth.c +++ b/drivers/net/tsi108_eth.c @@ -1287,6 +1287,7 @@ static void tsi108_init_phy(struct net_device *dev) spin_lock_irqsave(&phy_lock, flags); } + data->mii_if.supports_gmii = mii_check_gmii_support(&data->mii_if); printk(KERN_DEBUG "PHY_STAT reg contains %08x\n", phyval); data->phy_ok = 1; data->init_media = 1; @@ -1584,7 +1585,6 @@ tsi108_init_one(struct platform_device *pdev) data->mii_if.phy_id = einfo->phy; data->mii_if.phy_id_mask = 0x1f; data->mii_if.reg_num_mask = 0x1f; - data->mii_if.supports_gmii = mii_check_gmii_support(&data->mii_if); data->phy = einfo->phy; data->phy_type = einfo->phy_type; -- cgit v1.2.3 From 85bbe2158340dafb060fc7fe55a8208fe08cae26 Mon Sep 17 00:00:00 2001 From: Alex Bounine Date: Mon, 11 Feb 2008 14:35:49 -0500 Subject: Tsi108_eth: remove not needed code Code clean-up for tsi108_eth network driver. This patch removes not needed dummy read and the corresponding comment. The PHY logic requires two reads from the status register to get current link status. This is done correctly inside mii_check_media(). Signed-off-by: Alexandre Bounine Signed-off-by: Jeff Garzik --- drivers/net/tsi108_eth.c | 7 ------- 1 file changed, 7 deletions(-) (limited to 'drivers') diff --git a/drivers/net/tsi108_eth.c b/drivers/net/tsi108_eth.c index 2e87876d662..5a730ba8b1a 100644 --- a/drivers/net/tsi108_eth.c +++ b/drivers/net/tsi108_eth.c @@ -297,18 +297,11 @@ static void tsi108_check_phy(struct net_device *dev) u32 speed; unsigned long flags; - /* Do a dummy read, as for some reason the first read - * after a link becomes up returns link down, even if - * it's been a while since the link came up. - */ - spin_lock_irqsave(&phy_lock, flags); if (!data->phy_ok) goto out; - tsi108_read_mii(data, MII_BMSR); - duplex = mii_check_media(&data->mii_if, netif_msg_link(data), data->init_media); data->init_media = 0; -- cgit v1.2.3 From b1aefe58c21de4265223b563ae923b50f4c4be08 Mon Sep 17 00:00:00 2001 From: Alex Bounine Date: Mon, 11 Feb 2008 14:36:12 -0500 Subject: Tsi108_eth: fix link recovery after disconnect Bug fix for tsi108_eth network driver. This patch fixes a problem with link recovery after connection was lost. Signed-off-by: Alexandre Bounine Signed-off-by: Jeff Garzik --- drivers/net/tsi108_eth.c | 26 ++++++++++++-------------- 1 file changed, 12 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/net/tsi108_eth.c b/drivers/net/tsi108_eth.c index 5a730ba8b1a..bc3848962bb 100644 --- a/drivers/net/tsi108_eth.c +++ b/drivers/net/tsi108_eth.c @@ -338,22 +338,21 @@ static void tsi108_check_phy(struct net_device *dev) TSI_WRITE(TSI108_MAC_CFG2, mac_cfg2_reg); TSI_WRITE(TSI108_EC_PORTCTRL, portctrl_reg); + } - if (data->link_up == 0) { - /* The manual says it can take 3-4 usecs for the speed change - * to take effect. - */ - udelay(5); + if (data->link_up == 0) { + /* The manual says it can take 3-4 usecs for the speed change + * to take effect. + */ + udelay(5); - spin_lock(&data->txlock); - if (is_valid_ether_addr(dev->dev_addr) && data->txfree) - netif_wake_queue(dev); + spin_lock(&data->txlock); + if (is_valid_ether_addr(dev->dev_addr) && data->txfree) + netif_wake_queue(dev); - data->link_up = 1; - spin_unlock(&data->txlock); - } + data->link_up = 1; + spin_unlock(&data->txlock); } - } else { if (data->link_up == 1) { netif_stop_queue(dev); @@ -1267,12 +1266,11 @@ static void tsi108_init_phy(struct net_device *dev) * PHY_STAT register before the link up status bit is set. */ - data->link_up = 1; + data->link_up = 0; while (!((phyval = tsi108_read_mii(data, MII_BMSR)) & BMSR_LSTATUS)) { if (i++ > (MII_READ_DELAY / 10)) { - data->link_up = 0; break; } spin_unlock_irqrestore(&phy_lock, flags); -- cgit v1.2.3 From 9dde447a09ec8fc0ba8375a16fe6bed2470f0d14 Mon Sep 17 00:00:00 2001 From: Alex Bounine Date: Mon, 11 Feb 2008 14:36:37 -0500 Subject: Tsi108_eth: Add ethtool support Add ethtool support to tsi108_eth network driver. Signed-off-by: Alexandre Bounine Signed-off-by: Jeff Garzik --- drivers/net/tsi108_eth.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) (limited to 'drivers') diff --git a/drivers/net/tsi108_eth.c b/drivers/net/tsi108_eth.c index bc3848962bb..6f33f84d37b 100644 --- a/drivers/net/tsi108_eth.c +++ b/drivers/net/tsi108_eth.c @@ -36,6 +36,7 @@ #include #include #include +#include #include #include #include @@ -1519,12 +1520,46 @@ static void tsi108_init_mac(struct net_device *dev) TSI_WRITE(TSI108_EC_INTMASK, ~0); } +static int tsi108_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct tsi108_prv_data *data = netdev_priv(dev); + unsigned long flags; + int rc; + + spin_lock_irqsave(&data->txlock, flags); + rc = mii_ethtool_gset(&data->mii_if, cmd); + spin_unlock_irqrestore(&data->txlock, flags); + + return rc; +} + +static int tsi108_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct tsi108_prv_data *data = netdev_priv(dev); + unsigned long flags; + int rc; + + spin_lock_irqsave(&data->txlock, flags); + rc = mii_ethtool_sset(&data->mii_if, cmd); + spin_unlock_irqrestore(&data->txlock, flags); + + return rc; +} + static int tsi108_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { struct tsi108_prv_data *data = netdev_priv(dev); + if (!netif_running(dev)) + return -EINVAL; return generic_mii_ioctl(&data->mii_if, if_mii(rq), cmd, NULL); } +static const struct ethtool_ops tsi108_ethtool_ops = { + .get_link = ethtool_op_get_link, + .get_settings = tsi108_get_settings, + .set_settings = tsi108_set_settings, +}; + static int tsi108_init_one(struct platform_device *pdev) { @@ -1589,6 +1624,7 @@ tsi108_init_one(struct platform_device *pdev) dev->get_stats = tsi108_get_stats; netif_napi_add(dev, &data->napi, tsi108_poll, 64); dev->do_ioctl = tsi108_do_ioctl; + dev->ethtool_ops = &tsi108_ethtool_ops; /* Apparently, the Linux networking code won't use scatter-gather * if the hardware doesn't do checksums. However, it's faster -- cgit v1.2.3 From 030ed68bf063e99cea6371d1fb771a870cab1c1d Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Mon, 11 Feb 2008 09:25:40 -0800 Subject: replace code with FIELD_SIZEOF Signed-off-by: Julia Lawall Signed-off-by: Auke Kok Signed-off-by: Jeff Garzik --- drivers/net/e1000/e1000_ethtool.c | 2 +- drivers/net/igb/igb_ethtool.c | 2 +- drivers/net/ixgb/ixgb_ethtool.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c index d876787ce33..85e66f4c788 100644 --- a/drivers/net/e1000/e1000_ethtool.c +++ b/drivers/net/e1000/e1000_ethtool.c @@ -50,7 +50,7 @@ struct e1000_stats { int stat_offset; }; -#define E1000_STAT(m) sizeof(((struct e1000_adapter *)0)->m), \ +#define E1000_STAT(m) FIELD_SIZEOF(struct e1000_adapter, m), \ offsetof(struct e1000_adapter, m) static const struct e1000_stats e1000_gstrings_stats[] = { { "rx_packets", E1000_STAT(stats.gprc) }, diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c index f69721e4eaa..0447f9bcd27 100644 --- a/drivers/net/igb/igb_ethtool.c +++ b/drivers/net/igb/igb_ethtool.c @@ -43,7 +43,7 @@ struct igb_stats { int stat_offset; }; -#define IGB_STAT(m) sizeof(((struct igb_adapter *)0)->m), \ +#define IGB_STAT(m) FIELD_SIZEOF(struct igb_adapter, m), \ offsetof(struct igb_adapter, m) static const struct igb_stats igb_gstrings_stats[] = { { "rx_packets", IGB_STAT(stats.gprc) }, diff --git a/drivers/net/ixgb/ixgb_ethtool.c b/drivers/net/ixgb/ixgb_ethtool.c index a267dd86252..53a9fd086f9 100644 --- a/drivers/net/ixgb/ixgb_ethtool.c +++ b/drivers/net/ixgb/ixgb_ethtool.c @@ -49,7 +49,7 @@ struct ixgb_stats { int stat_offset; }; -#define IXGB_STAT(m) sizeof(((struct ixgb_adapter *)0)->m), \ +#define IXGB_STAT(m) FIELD_SIZEOF(struct ixgb_adapter, m), \ offsetof(struct ixgb_adapter, m) static struct ixgb_stats ixgb_gstrings_stats[] = { {"rx_packets", IXGB_STAT(net_stats.rx_packets)}, -- cgit v1.2.3 From 14782ca8262818921a460c80a761a93740b838a2 Mon Sep 17 00:00:00 2001 From: Auke Kok Date: Mon, 11 Feb 2008 09:25:46 -0800 Subject: e1000: warn if this driver is used for e1000e devices We're already starting to see reports from users still using e1000 where they should be using e1000e now that this is actually possible. Just to prevent some of this thrash, add a big warning on load on these devices that people should switch to e1000e. Signed-off-by: Auke Kok Acked-by: Jesse Brandeburg Signed-off-by: Jeff Garzik --- drivers/net/e1000/e1000_main.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers') diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index d4ee8ec34b5..0991648c53d 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -1195,6 +1195,14 @@ e1000_probe(struct pci_dev *pdev, printk("%s\n", print_mac(mac, netdev->dev_addr)); + if (adapter->hw.bus_type == e1000_bus_type_pci_express) { + DPRINTK(PROBE, WARNING, "This device (id %04x:%04x) will no " + "longer be supported by this driver in the future.\n", + pdev->vendor, pdev->device); + DPRINTK(PROBE, WARNING, "please use the \"e1000e\" " + "driver instead.\n"); + } + /* reset the hardware with the new settings */ e1000_reset(adapter); -- cgit v1.2.3 From 23b66e2bc2bcebacab7292d7731b7372065b3f98 Mon Sep 17 00:00:00 2001 From: Auke Kok Date: Mon, 11 Feb 2008 09:25:51 -0800 Subject: e1000e: Fix logic reversal keeping link active A logic mishap caused the adapter to keep link while we can disable it due to WoL not being active, and vice versa. Signed-off-by: Auke Kok Signed-off-by: Jeff Garzik --- drivers/net/e1000e/netdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index f58f017ee47..b9b0d321e70 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -2008,7 +2008,7 @@ static void e1000_power_down_phy(struct e1000_adapter *adapter) u16 mii_reg; /* WoL is enabled */ - if (!adapter->wol) + if (adapter->wol) return; /* non-copper PHY? */ -- cgit v1.2.3 From 0c254d863338ceff630814bf17cf8e4b61cb8aa3 Mon Sep 17 00:00:00 2001 From: Auke Kok Date: Mon, 11 Feb 2008 09:25:56 -0800 Subject: ixgbe: warn when device is in a x4 or lower width slot It's easy to oversee this issue when working with this card as evrything will work OK but performance is severely limited (something like 1.5gbit on a x1 link) if the pci-express slot does not offer more bandwidth. Signed-off-by: Auke Kok Signed-off-by: Jeff Garzik --- drivers/net/ixgbe/ixgbe_main.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers') diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index ead49e54f31..576fb51eb74 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -2778,6 +2778,14 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, hw->mac.type, hw->phy.type, (part_num >> 8), (part_num & 0xff)); + if (link_width <= IXGBE_PCI_LINK_WIDTH_4) { + dev_warn(&pdev->dev, "PCI-Express bandwidth available for " + "this card is not sufficient for optimal " + "performance.\n"); + dev_warn(&pdev->dev, "For optimal performance a x8 " + "PCI-Express slot is required.\n"); + } + /* reset the hardware with the new settings */ ixgbe_start_hw(hw); -- cgit v1.2.3 From 4bebfaa56b72c94fe4997240ee73ad1c1fcf96c9 Mon Sep 17 00:00:00 2001 From: Auke Kok Date: Mon, 11 Feb 2008 09:26:01 -0800 Subject: ixgbe: Disallow device reset during ethtool test Signed-off-by: Auke Kok Signed-off-by: Jeff Garzik --- drivers/net/ixgbe/ixgbe_main.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers') diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index 576fb51eb74..a4aeaec1b29 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -1942,6 +1942,10 @@ static int ixgbe_open(struct net_device *netdev) int err; u32 num_rx_queues = adapter->num_rx_queues; + /* disallow open during test */ + if (test_bit(__IXGBE_TESTING, &adapter->state)) + return -EBUSY; + try_intr_reinit: /* allocate transmit descriptors */ err = ixgbe_setup_all_tx_resources(adapter); -- cgit v1.2.3 From 4a75834644ae32ded9bed14db39834d6d3bc4793 Mon Sep 17 00:00:00 2001 From: Auke Kok Date: Mon, 11 Feb 2008 09:26:06 -0800 Subject: ixgbe: remove accidentally added #ifdef Let's not add these #ifdef NETIF_F_TSO's back. Signed-off-by: Auke Kok Signed-off-by: Jeff Garzik --- drivers/net/ixgbe/ixgbe_main.c | 5 ----- 1 file changed, 5 deletions(-) (limited to 'drivers') diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index a4aeaec1b29..540b647eb82 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -220,7 +220,6 @@ static bool ixgbe_clean_tx_irq(struct ixgbe_adapter *adapter, tx_ring->stats.bytes += tx_buffer_info->length; if (cleaned) { struct sk_buff *skb = tx_buffer_info->skb; -#ifdef NETIF_F_TSO unsigned int segs, bytecount; segs = skb_shinfo(skb)->gso_segs ?: 1; /* multiply data chunks by size of headers */ @@ -228,10 +227,6 @@ static bool ixgbe_clean_tx_irq(struct ixgbe_adapter *adapter, skb->len; total_tx_packets += segs; total_tx_bytes += bytecount; -#else - total_tx_packets++; - total_tx_bytes += skb->len; -#endif } ixgbe_unmap_and_free_tx_resource(adapter, tx_buffer_info); -- cgit v1.2.3 From 631a9dca60ddd7d84a08171a14828e9cfb667d48 Mon Sep 17 00:00:00 2001 From: Robert Reif Date: Tue, 12 Feb 2008 18:23:31 -0800 Subject: [SPARC]: video/cg14.c and video/sbuslib.c build fixes Apparently these drivers now need uaccess.h Signed-off-by: Robert Reif Signed-off-by: Andrew Morton Signed-off-by: David S. Miller --- drivers/video/cg14.c | 1 + drivers/video/sbuslib.c | 1 + 2 files changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/video/cg14.c b/drivers/video/cg14.c index 41f6dbf61be..fdc9f43ec30 100644 --- a/drivers/video/cg14.c +++ b/drivers/video/cg14.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include diff --git a/drivers/video/sbuslib.c b/drivers/video/sbuslib.c index 963a454b707..4deaac05b93 100644 --- a/drivers/video/sbuslib.c +++ b/drivers/video/sbuslib.c @@ -9,6 +9,7 @@ #include #include #include +#include #include #include -- cgit v1.2.3 From 208c70a45624400fafd7511b96bc426bf01f8f5e Mon Sep 17 00:00:00 2001 From: Alexey Starikovskiy Date: Thu, 14 Feb 2008 15:58:47 -0500 Subject: ACPI: EC: Use proper handle for boot EC Fall back to ACPI_ROOT_HANDLE only in case of error. ACPI: EC: EC description table is found, configuring boot EC ACPI Error (evregion-0316): No handler for Region [ECOR] (ffff81007a651620) [EmbeddedControl] [20070126] ACPI Error (exfldio-0289): Region EmbeddedControl(3) has no handler [20070126] http://bugzilla.kernel.org/show_bug.cgi?id=9916 Signed-off-by: Alexey Starikovskiy Signed-off-by: Len Brown --- drivers/acpi/ec.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 7222a18a031..caf873c14bf 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -943,7 +943,11 @@ int __init acpi_ec_ecdt_probe(void) boot_ec->command_addr = ecdt_ptr->control.address; boot_ec->data_addr = ecdt_ptr->data.address; boot_ec->gpe = ecdt_ptr->gpe; - boot_ec->handle = ACPI_ROOT_OBJECT; + if (ACPI_FAILURE(acpi_get_handle(NULL, ecdt_ptr->id, + &boot_ec->handle))) { + pr_info("Failed to locate handle for boot EC\n"); + boot_ec->handle = ACPI_ROOT_OBJECT; + } } else { /* This workaround is needed only on some broken machines, * which require early EC, but fail to provide ECDT */ -- cgit v1.2.3 From f881d8290c59beb472062142aab54af2554d0d9c Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Fri, 15 Feb 2008 19:15:05 +0800 Subject: [HIFN]: Fix invalid config ifdefs for RNG support The CRYPTO_DEV_HIFN_795X_RNG ifdefs are missing the CONFIG_ prefix. Signed-off-by: Patrick McHardy Signed-off-by: Herbert Xu --- drivers/crypto/hifn_795x.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c index dfbf24c4033..3110bf7014f 100644 --- a/drivers/crypto/hifn_795x.c +++ b/drivers/crypto/hifn_795x.c @@ -463,7 +463,7 @@ struct hifn_device unsigned int pk_clk_freq; -#ifdef CRYPTO_DEV_HIFN_795X_RNG +#ifdef CONFIG_CRYPTO_DEV_HIFN_795X_RNG unsigned int rng_wait_time; ktime_t rngtime; struct hwrng rng; @@ -795,7 +795,7 @@ static struct pci2id { } }; -#ifdef CRYPTO_DEV_HIFN_795X_RNG +#ifdef CONFIG_CRYPTO_DEV_HIFN_795X_RNG static int hifn_rng_data_present(struct hwrng *rng, int wait) { struct hifn_device *dev = (struct hifn_device *)rng->priv; @@ -880,7 +880,7 @@ static int hifn_init_pubrng(struct hifn_device *dev) dprintk("Chip %s: RNG engine has been successfully initialised.\n", dev->name); -#ifdef CRYPTO_DEV_HIFN_795X_RNG +#ifdef CONFIG_CRYPTO_DEV_HIFN_795X_RNG /* First value must be discarded */ hifn_read_1(dev, HIFN_1_RNG_DATA); dev->rngtime = ktime_get(); -- cgit v1.2.3 From a1a98b72dbd17e53cd92b8e78f404525ebcfd981 Mon Sep 17 00:00:00 2001 From: Chuck Ebbert Date: Wed, 13 Feb 2008 19:47:11 -0500 Subject: Fix station address detection in smc Megahertz EM1144 PCMCIA ethernet adapter needs special handling because it has two VERS_1 tuples and the station address is in the second one. Conversion to generic handling of these fields broke it. Reverting that fixes the device. https://bugzilla.redhat.com/show_bug.cgi?id=233255 Thanks go to Jon Stanley for not giving up on this one until the problem was found. Signed-off-by: Chuck Ebbert Signed-off-by: Jeff Garzik --- drivers/net/pcmcia/smc91c92_cs.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/pcmcia/smc91c92_cs.c b/drivers/net/pcmcia/smc91c92_cs.c index f18eca9831e..250eb1954c3 100644 --- a/drivers/net/pcmcia/smc91c92_cs.c +++ b/drivers/net/pcmcia/smc91c92_cs.c @@ -559,8 +559,16 @@ static int mhz_setup(struct pcmcia_device *link) /* Read the station address from the CIS. It is stored as the last (fourth) string in the Version 1 Version/ID tuple. */ - if (link->prod_id[3]) { - station_addr = link->prod_id[3]; + tuple->DesiredTuple = CISTPL_VERS_1; + if (first_tuple(link, tuple, parse) != CS_SUCCESS) { + rc = -1; + goto free_cfg_mem; + } + /* Ugh -- the EM1144 card has two VERS_1 tuples!?! */ + if (next_tuple(link, tuple, parse) != CS_SUCCESS) + first_tuple(link, tuple, parse); + if (parse->version_1.ns > 3) { + station_addr = parse->version_1.str + parse->version_1.ofs[3]; if (cvt_ascii_address(dev, station_addr) == 0) { rc = 0; goto free_cfg_mem; -- cgit v1.2.3 From 9f30c768c00fd0f0a2ab37ef29d8c8c5a7abdf2e Mon Sep 17 00:00:00 2001 From: Jarek Poplawski Date: Wed, 13 Feb 2008 11:17:58 +0000 Subject: mkiss: ax_bump() locking fix According to one of OOPSes reported by Jann softirq can break while skb is prepared for netif_rx. The report isn't complete, so the real reason of the later bug could be different, but IMHO this locking break in ax_bump is unsafe and unnecessary. Reported-and-tested-by: Jann Traschewski Signed-off-by: Jarek Poplawski Signed-off-by: Jeff Garzik --- drivers/net/hamradio/mkiss.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c index cfcd15af501..30c9b3b0d13 100644 --- a/drivers/net/hamradio/mkiss.c +++ b/drivers/net/hamradio/mkiss.c @@ -289,7 +289,6 @@ static void ax_bump(struct mkiss *ax) *ax->rbuff &= ~0x20; } } - spin_unlock_bh(&ax->buflock); count = ax->rcount; @@ -297,17 +296,17 @@ static void ax_bump(struct mkiss *ax) printk(KERN_ERR "mkiss: %s: memory squeeze, dropping packet.\n", ax->dev->name); ax->stats.rx_dropped++; + spin_unlock_bh(&ax->buflock); return; } - spin_lock_bh(&ax->buflock); memcpy(skb_put(skb,count), ax->rbuff, count); - spin_unlock_bh(&ax->buflock); skb->protocol = ax25_type_trans(skb, ax->dev); netif_rx(skb); ax->dev->last_rx = jiffies; ax->stats.rx_packets++; ax->stats.rx_bytes += count; + spin_unlock_bh(&ax->buflock); } static void kiss_unesc(struct mkiss *ax, unsigned char s) -- cgit v1.2.3 From fdb26629f31b898c2c4a4127c7d5c2401fb5ac60 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Wed, 13 Feb 2008 03:58:36 +0000 Subject: gianfar iomem misannotations Signed-off-by: Al Viro Signed-off-by: Jeff Garzik --- drivers/net/gianfar.c | 4 ++-- drivers/net/gianfar_mii.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index 0431e9ed0fa..4244fc282f2 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -130,8 +130,8 @@ static void free_skb_resources(struct gfar_private *priv); static void gfar_set_multi(struct net_device *dev); static void gfar_set_hash_for_addr(struct net_device *dev, u8 *addr); static void gfar_configure_serdes(struct net_device *dev); -extern int gfar_local_mdio_write(struct gfar_mii *regs, int mii_id, int regnum, u16 value); -extern int gfar_local_mdio_read(struct gfar_mii *regs, int mii_id, int regnum); +extern int gfar_local_mdio_write(struct gfar_mii __iomem *regs, int mii_id, int regnum, u16 value); +extern int gfar_local_mdio_read(struct gfar_mii __iomem *regs, int mii_id, int regnum); #ifdef CONFIG_GFAR_NAPI static int gfar_poll(struct napi_struct *napi, int budget); #endif diff --git a/drivers/net/gianfar_mii.c b/drivers/net/gianfar_mii.c index 6a647d95e6e..24327629bf0 100644 --- a/drivers/net/gianfar_mii.c +++ b/drivers/net/gianfar_mii.c @@ -51,7 +51,7 @@ * the local mdio pins, which may not be the same as system mdio bus, used for * controlling the external PHYs, for example. */ -int gfar_local_mdio_write(struct gfar_mii *regs, int mii_id, +int gfar_local_mdio_write(struct gfar_mii __iomem *regs, int mii_id, int regnum, u16 value) { /* Set the PHY address and the register address we want to write */ @@ -77,7 +77,7 @@ int gfar_local_mdio_write(struct gfar_mii *regs, int mii_id, * and are always tied to the local mdio pins, which may not be the * same as system mdio bus, used for controlling the external PHYs, for eg. */ -int gfar_local_mdio_read(struct gfar_mii *regs, int mii_id, int regnum) +int gfar_local_mdio_read(struct gfar_mii __iomem *regs, int mii_id, int regnum) { u16 value; -- cgit v1.2.3 From 5918bd88effd0233a048983570ec5803f5f753dc Mon Sep 17 00:00:00 2001 From: Auke Kok Date: Tue, 12 Feb 2008 15:20:24 -0800 Subject: e1000e: Fix CRC stripping in hardware context bug CRC stripping was only correctly enabled for packet split recieves which is used when receiving jumbo frames. Correctly enable SECRC also for normal buffer packet receives. Tested by Andy Gospodarek and Johan Andersson, see bugzilla #9940. Signed-off-by: Auke Kok Signed-off-by: Jeff Garzik --- drivers/net/e1000e/netdev.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index b9b0d321e70..ea4ecc3bf82 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -1690,6 +1690,9 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter) else rctl |= E1000_RCTL_LPE; + /* Enable hardware CRC frame stripping */ + rctl |= E1000_RCTL_SECRC; + /* Setup buffer sizes */ rctl &= ~E1000_RCTL_SZ_4096; rctl |= E1000_RCTL_BSEX; @@ -1755,9 +1758,6 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter) /* Enable Packet split descriptors */ rctl |= E1000_RCTL_DTYP_PS; - - /* Enable hardware CRC frame stripping */ - rctl |= E1000_RCTL_SECRC; psrctl |= adapter->rx_ps_bsize0 >> E1000_PSRCTL_BSIZE0_SHIFT; -- cgit v1.2.3 From 41825d7158d4ca6488d562d73279392a886b9e7c Mon Sep 17 00:00:00 2001 From: Auke Kok Date: Tue, 12 Feb 2008 15:20:33 -0800 Subject: ixgbe: Correctly obtain protocol information on transmit In reply to "RE: [Fwd: [PATCH 2.6.25] ixgbe/igb: correctly obtain protocol information on transmit]" from Andy Gospodarek: The driver was incorrectly looking at socket headers for protocol information, needed for checksumming offload. Fix this by not looking at the socket but frame headers instead. This disregards extension headers but it's unclear that linux generates those anyway. Tested by Andy Gospodarek. Signed-off-by: Auke Kok Signed-off-by: Jeff Garzik --- drivers/net/ixgbe/ixgbe_main.c | 24 +++++++++++++++++++++--- 1 file changed, 21 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index 540b647eb82..23d0a4afe0e 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -2277,11 +2277,29 @@ static bool ixgbe_tx_csum(struct ixgbe_adapter *adapter, IXGBE_ADVTXD_DTYP_CTXT); if (skb->ip_summed == CHECKSUM_PARTIAL) { - if (skb->protocol == htons(ETH_P_IP)) + switch (skb->protocol) { + case __constant_htons(ETH_P_IP): type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_IPV4; + if (ip_hdr(skb)->protocol == IPPROTO_TCP) + type_tucmd_mlhl |= + IXGBE_ADVTXD_TUCMD_L4T_TCP; + break; + + case __constant_htons(ETH_P_IPV6): + /* XXX what about other V6 headers?? */ + if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP) + type_tucmd_mlhl |= + IXGBE_ADVTXD_TUCMD_L4T_TCP; + break; - if (skb->sk->sk_protocol == IPPROTO_TCP) - type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_TCP; + default: + if (unlikely(net_ratelimit())) { + DPRINTK(PROBE, WARNING, + "partial checksum but proto=%x!\n", + skb->protocol); + } + break; + } } context_desc->type_tucmd_mlhl = cpu_to_le32(type_tucmd_mlhl); -- cgit v1.2.3 From aa20c6c6d22efcca76c6225eb46f5903ce14c7c8 Mon Sep 17 00:00:00 2001 From: David Graham Date: Thu, 14 Feb 2008 10:17:12 -0800 Subject: igb: PCIe devices do not need to unset MANC_ARP_ENA Users reported that ARP's were lost with igb. The problem is fixed by not enabling this manageability configuration bit. None of the release_manageability code is actually needed as the normal device reset during a shutdown returns everthing to the right condition automatically. Signed-off-by: David Graham Signed-off-by: Auke Kok Signed-off-by: Jeff Garzik --- drivers/net/igb/igb_main.c | 28 ---------------------------- 1 file changed, 28 deletions(-) (limited to 'drivers') diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index d4eb8e2d872..bff280eff5e 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -606,9 +606,6 @@ static void igb_init_manageability(struct igb_adapter *adapter) u32 manc2h = rd32(E1000_MANC2H); u32 manc = rd32(E1000_MANC); - /* disable hardware interception of ARP */ - manc &= ~(E1000_MANC_ARP_EN); - /* enable receiving management packets to the host */ /* this will probably generate destination unreachable messages * from the host OS, but the packets will be handled on SMBUS */ @@ -623,25 +620,6 @@ static void igb_init_manageability(struct igb_adapter *adapter) } } -static void igb_release_manageability(struct igb_adapter *adapter) -{ - struct e1000_hw *hw = &adapter->hw; - - if (adapter->en_mng_pt) { - u32 manc = rd32(E1000_MANC); - - /* re-enable hardware interception of ARP */ - manc |= E1000_MANC_ARP_EN; - manc &= ~E1000_MANC_EN_MNG2HOST; - - /* don't explicitly have to mess with MANC2H since - * MANC has an enable disable that gates MANC2H */ - - /* XXX stop the hardware watchdog ? */ - wr32(E1000_MANC, manc); - } -} - /** * igb_configure - configure the hardware for RX and TX * @adapter: private board structure @@ -844,7 +822,6 @@ void igb_reset(struct igb_adapter *adapter) igb_reset_adaptive(&adapter->hw); adapter->hw.phy.ops.get_phy_info(&adapter->hw); - igb_release_manageability(adapter); } /** @@ -1178,9 +1155,6 @@ static void __devexit igb_remove(struct pci_dev *pdev) flush_scheduled_work(); - - igb_release_manageability(adapter); - /* Release control of h/w to f/w. If f/w is AMT enabled, this * would have already happened in close and is redundant. */ igb_release_hw_control(adapter); @@ -3955,8 +3929,6 @@ static int igb_suspend(struct pci_dev *pdev, pm_message_t state) pci_enable_wake(pdev, PCI_D3cold, 0); } - igb_release_manageability(adapter); - /* make sure adapter isn't asleep if manageability is enabled */ if (adapter->en_mng_pt) { pci_enable_wake(pdev, PCI_D3hot, 1); -- cgit v1.2.3 From e8ef7f295b9f02c1522da405ac545318174239d5 Mon Sep 17 00:00:00 2001 From: David Graham Date: Thu, 14 Feb 2008 10:17:20 -0800 Subject: e1000e: PCIe devices do not need to unset MANC_ARP_ENA Users reported that ARP's were lost with e1000e. The problem is fixed by not enabling this manageability configuration bit. None of the release_manageability code is actually needed as the normal device reset during a shutdown returns everthing to the right condition automatically. Signed-off-by: David Graham Signed-off-by: Auke Kok Signed-off-by: Jeff Garzik --- drivers/net/e1000e/netdev.c | 26 -------------------------- 1 file changed, 26 deletions(-) (limited to 'drivers') diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index ea4ecc3bf82..3031d6d1624 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -1055,23 +1055,6 @@ static void e1000_release_hw_control(struct e1000_adapter *adapter) } } -static void e1000_release_manageability(struct e1000_adapter *adapter) -{ - if (adapter->flags & FLAG_MNG_PT_ENABLED) { - struct e1000_hw *hw = &adapter->hw; - - u32 manc = er32(MANC); - - /* re-enable hardware interception of ARP */ - manc |= E1000_MANC_ARP_EN; - manc &= ~E1000_MANC_EN_MNG2HOST; - - /* don't explicitly have to mess with MANC2H since - * MANC has an enable disable that gates MANC2H */ - ew32(MANC, manc); - } -} - /** * @e1000_alloc_ring - allocate memory for a ring structure **/ @@ -1561,9 +1544,6 @@ static void e1000_init_manageability(struct e1000_adapter *adapter) manc = er32(MANC); - /* disable hardware interception of ARP */ - manc &= ~(E1000_MANC_ARP_EN); - /* enable receiving management packets to the host. this will probably * generate destination unreachable messages from the host OS, but * the packets will be handled on SMBUS */ @@ -2140,8 +2120,6 @@ void e1000e_reset(struct e1000_adapter *adapter) phy_data &= ~IGP02E1000_PM_SPD; e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, phy_data); } - - e1000_release_manageability(adapter); } int e1000e_up(struct e1000_adapter *adapter) @@ -3487,8 +3465,6 @@ static int e1000_suspend(struct pci_dev *pdev, pm_message_t state) pci_enable_wake(pdev, PCI_D3cold, 0); } - e1000_release_manageability(adapter); - /* make sure adapter isn't asleep if manageability is enabled */ if (adapter->flags & FLAG_MNG_PT_ENABLED) { pci_enable_wake(pdev, PCI_D3hot, 1); @@ -4054,8 +4030,6 @@ static void __devexit e1000_remove(struct pci_dev *pdev) flush_scheduled_work(); - e1000_release_manageability(adapter); - /* Release control of h/w to f/w. If f/w is AMT enabled, this * would have already happened in close and is redundant. */ e1000_release_hw_control(adapter); -- cgit v1.2.3 From bd196ec7f03fff6935f66a9a3cf27accd34a75b9 Mon Sep 17 00:00:00 2001 From: "John W. Linville" Date: Thu, 7 Feb 2008 15:46:01 -0500 Subject: wavelan: mark hardware interfacing structures as packed With assists from Russell King and Andrew Morton ... Signed-off-by: John W. Linville --- drivers/net/wireless/wavelan.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/wavelan.h b/drivers/net/wireless/wavelan.h index 27172cde5a3..9ab360558ff 100644 --- a/drivers/net/wireless/wavelan.h +++ b/drivers/net/wireless/wavelan.h @@ -85,7 +85,7 @@ union hacs_u #define HASR_MMC_INTR 0x0002 /* Interrupt request from MMC */ #define HASR_MMC_BUSY 0x0004 /* MMC busy indication */ #define HASR_PSA_BUSY 0x0008 /* LAN parameter storage area busy */ -}; +} __attribute__ ((packed)); typedef struct ha_t ha_t; struct ha_t @@ -292,7 +292,7 @@ struct mmw_t #define MMW_EXT_ANT_INTERNAL 0x00 /* Internal antenna */ #define MMW_EXT_ANT_EXTERNAL 0x03 /* External antenna */ #define MMW_EXT_ANT_IQ_TEST 0x1C /* IQ test pattern (set to 0) */ -}; +} __attribute__ ((packed)); #define MMW_SIZE 37 @@ -347,7 +347,7 @@ struct mmr_t unsigned char mmr_unused4[1]; /* unused */ unsigned char mmr_fee_data_l; /* Read data from EEPROM (low) */ unsigned char mmr_fee_data_h; /* Read data from EEPROM (high) */ -}; +} __attribute__ ((packed)); #define MMR_SIZE 36 -- cgit v1.2.3 From 281c56dd276e587a7b4a65764ac68ae250e73235 Mon Sep 17 00:00:00 2001 From: Bruno Randolf Date: Tue, 5 Feb 2008 18:44:55 +0900 Subject: ath5k: correct padding in tx descriptors when setting up the tx descriptors for the hardware we must account for any padding between the header and the data we might have added previously. frame len is the length of the frame in the air (including FCS but no padding) and buffer len is the length of the buffer (including padding, but without FCS). changing the way ah_setup_tx_desc is called: now excluding the FCS, since it's easier to add that in the function where we need it. before this fix we sent trailing zero bytes after the packet (because frame len included the padding) which was not a big problem without WEP, but with WEP this resultes in a wrong WEP checksum and the packet is discarded - which is how i noticed at all ;) an easy way to run into header padding problems, btw, is to connect to a QoS (WME) enabled access point (eg. madwifi) - QoS data frames are 2 byte longer and will require padding. this patch applies on top of luis latest patch series from 04.02.2008. drivers/net/wireless/ath5k/base.c: Changes-licensed-under: 3-Clause-BSD drivers/net/wireless/ath5k/hw.c: Changes-licensed-under: ISC Signed-off-by: Bruno Randolf Signed-off-by: John W. Linville --- drivers/net/wireless/ath5k/base.c | 4 ++-- drivers/net/wireless/ath5k/hw.c | 34 ++++++++++++++++++++-------------- 2 files changed, 22 insertions(+), 16 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c index ddc87149fe3..dfdaec02073 100644 --- a/drivers/net/wireless/ath5k/base.c +++ b/drivers/net/wireless/ath5k/base.c @@ -1256,7 +1256,7 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf, if (ctl->flags & IEEE80211_TXCTL_NO_ACK) flags |= AR5K_TXDESC_NOACK; - pktlen = skb->len + FCS_LEN; + pktlen = skb->len; if (!(ctl->flags & IEEE80211_TXCTL_DO_NOT_ENCRYPT)) { keyidx = ctl->key_idx; @@ -1952,7 +1952,7 @@ ath5k_beacon_setup(struct ath5k_softc *sc, struct ath5k_buf *bf, } ds->ds_data = bf->skbaddr; - ret = ah->ah_setup_tx_desc(ah, ds, skb->len + FCS_LEN, + ret = ah->ah_setup_tx_desc(ah, ds, skb->len, ieee80211_get_hdrlen_from_skb(skb), AR5K_PKT_TYPE_BEACON, (ctl->power_level * 2), ctl->tx_rate, 1, AR5K_TXKEYIX_INVALID, antenna, flags, 0, 0); diff --git a/drivers/net/wireless/ath5k/hw.c b/drivers/net/wireless/ath5k/hw.c index 3a4bf4035a2..1ab57aa6e4d 100644 --- a/drivers/net/wireless/ath5k/hw.c +++ b/drivers/net/wireless/ath5k/hw.c @@ -3506,7 +3506,7 @@ ath5k_hw_setup_2word_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, { u32 frame_type; struct ath5k_hw_2w_tx_desc *tx_desc; - unsigned int buff_len; + unsigned int frame_len; tx_desc = (struct ath5k_hw_2w_tx_desc *)&desc->ds_ctl0; @@ -3537,22 +3537,25 @@ ath5k_hw_setup_2word_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, /* Setup control descriptor */ /* Verify and set frame length */ - if (pkt_len & ~AR5K_2W_TX_DESC_CTL0_FRAME_LEN) + + /* remove padding we might have added before */ + frame_len = pkt_len - (hdr_len & 3) + FCS_LEN; + + if (frame_len & ~AR5K_2W_TX_DESC_CTL0_FRAME_LEN) return -EINVAL; - tx_desc->tx_control_0 = pkt_len & AR5K_2W_TX_DESC_CTL0_FRAME_LEN; + tx_desc->tx_control_0 = frame_len & AR5K_2W_TX_DESC_CTL0_FRAME_LEN; /* Verify and set buffer length */ - buff_len = pkt_len - FCS_LEN; /* NB: beacon's BufLen must be a multiple of 4 bytes */ if(type == AR5K_PKT_TYPE_BEACON) - buff_len = roundup(buff_len, 4); + pkt_len = roundup(pkt_len, 4); - if (buff_len & ~AR5K_2W_TX_DESC_CTL1_BUF_LEN) + if (pkt_len & ~AR5K_2W_TX_DESC_CTL1_BUF_LEN) return -EINVAL; - tx_desc->tx_control_1 = buff_len & AR5K_2W_TX_DESC_CTL1_BUF_LEN; + tx_desc->tx_control_1 = pkt_len & AR5K_2W_TX_DESC_CTL1_BUF_LEN; /* * Verify and set header length @@ -3634,7 +3637,7 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah, { struct ath5k_hw_4w_tx_desc *tx_desc; struct ath5k_hw_tx_status *tx_status; - unsigned int buff_len; + unsigned int frame_len; ATH5K_TRACE(ah->ah_sc); tx_desc = (struct ath5k_hw_4w_tx_desc *)&desc->ds_ctl0; @@ -3669,22 +3672,25 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah, /* Setup control descriptor */ /* Verify and set frame length */ - if (pkt_len & ~AR5K_4W_TX_DESC_CTL0_FRAME_LEN) + + /* remove padding we might have added before */ + frame_len = pkt_len - (hdr_len & 3) + FCS_LEN; + + if (frame_len & ~AR5K_4W_TX_DESC_CTL0_FRAME_LEN) return -EINVAL; - tx_desc->tx_control_0 = pkt_len & AR5K_4W_TX_DESC_CTL0_FRAME_LEN; + tx_desc->tx_control_0 = frame_len & AR5K_4W_TX_DESC_CTL0_FRAME_LEN; /* Verify and set buffer length */ - buff_len = pkt_len - FCS_LEN; /* NB: beacon's BufLen must be a multiple of 4 bytes */ if(type == AR5K_PKT_TYPE_BEACON) - buff_len = roundup(buff_len, 4); + pkt_len = roundup(pkt_len, 4); - if (buff_len & ~AR5K_4W_TX_DESC_CTL1_BUF_LEN) + if (pkt_len & ~AR5K_4W_TX_DESC_CTL1_BUF_LEN) return -EINVAL; - tx_desc->tx_control_1 = buff_len & AR5K_4W_TX_DESC_CTL1_BUF_LEN; + tx_desc->tx_control_1 = pkt_len & AR5K_4W_TX_DESC_CTL1_BUF_LEN; tx_desc->tx_control_0 |= AR5K_REG_SM(tx_power, AR5K_4W_TX_DESC_CTL0_XMIT_POWER) | -- cgit v1.2.3 From a97b1f3d203d0fe5503578c6ee8bfdb89ed72679 Mon Sep 17 00:00:00 2001 From: Jussi Kivilinna Date: Wed, 6 Feb 2008 15:36:10 +0200 Subject: rndis_wlan: enable stall workaround by link quality instead of link speed Enable workaround for poor link stalls by link quality instead of link speed. Using link speed caused workaround be active always on 802.11b networks which reduced performance and not even catch all stalls. Signed-off-by: Jussi Kivilinna Signed-off-by: John W. Linville --- drivers/net/wireless/rndis_wlan.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c index d3ecf89abd9..8ce2ddf8024 100644 --- a/drivers/net/wireless/rndis_wlan.c +++ b/drivers/net/wireless/rndis_wlan.c @@ -2300,7 +2300,7 @@ static void rndis_update_wireless_stats(struct work_struct *work) struct usbnet *usbdev = priv->usbdev; struct iw_statistics iwstats; __le32 rssi, tmp; - int len, ret, bitrate, j; + int len, ret, j; unsigned long flags; int update_jiffies = STATS_UPDATE_JIFFIES; void *buf; @@ -2352,14 +2352,10 @@ static void rndis_update_wireless_stats(struct work_struct *work) if (ret == 0) iwstats.discard.misc += le32_to_cpu(tmp); - /* Workaround transfer stalls on poor quality links. */ - len = sizeof(tmp); - ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &tmp, &len); - if (ret == 0) { - bitrate = le32_to_cpu(tmp) * 100; - if (bitrate > 11000000) - goto end; - + /* Workaround transfer stalls on poor quality links. + * TODO: find right way to fix these stalls (as stalls do not happen + * with ndiswrapper/windows driver). */ + if (iwstats.qual.qual <= 25) { /* Decrease stats worker interval to catch stalls. * faster. Faster than 400-500ms causes packet loss, * Slower doesn't catch stalls fast enough. -- cgit v1.2.3 From 9788864e2169ed3611e61c097efe4944c23fe7e9 Mon Sep 17 00:00:00 2001 From: Reinette Chatre Date: Wed, 6 Feb 2008 11:20:38 -0800 Subject: iwlwifi: do not clear GEO_CONFIGURED bit when calling _down The geos information is set up during probe and should only be removed during pci_remove, not during _down. This is a temporary fix until the setting of the status bits have been cleaned up (to explicitly match all setting with clearing of status bits). Signed-off-by: Reinette Chatre Signed-off-by: Tomas Winkler Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl3945-base.c | 4 ++++ drivers/net/wireless/iwlwifi/iwl4965-base.c | 4 ++++ 2 files changed, 8 insertions(+) (limited to 'drivers') diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 5ee1ad69898..b6f19a52b78 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -6256,6 +6256,8 @@ static void __iwl3945_down(struct iwl3945_priv *priv) STATUS_RF_KILL_HW | test_bit(STATUS_RF_KILL_SW, &priv->status) << STATUS_RF_KILL_SW | + test_bit(STATUS_GEO_CONFIGURED, &priv->status) << + STATUS_GEO_CONFIGURED | test_bit(STATUS_IN_SUSPEND, &priv->status) << STATUS_IN_SUSPEND; goto exit; @@ -6267,6 +6269,8 @@ static void __iwl3945_down(struct iwl3945_priv *priv) STATUS_RF_KILL_HW | test_bit(STATUS_RF_KILL_SW, &priv->status) << STATUS_RF_KILL_SW | + test_bit(STATUS_GEO_CONFIGURED, &priv->status) << + STATUS_GEO_CONFIGURED | test_bit(STATUS_IN_SUSPEND, &priv->status) << STATUS_IN_SUSPEND | test_bit(STATUS_FW_ERROR, &priv->status) << diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c index f423241b956..8bedc0c311f 100644 --- a/drivers/net/wireless/iwlwifi/iwl4965-base.c +++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c @@ -6680,6 +6680,8 @@ static void __iwl4965_down(struct iwl4965_priv *priv) STATUS_RF_KILL_HW | test_bit(STATUS_RF_KILL_SW, &priv->status) << STATUS_RF_KILL_SW | + test_bit(STATUS_GEO_CONFIGURED, &priv->status) << + STATUS_GEO_CONFIGURED | test_bit(STATUS_IN_SUSPEND, &priv->status) << STATUS_IN_SUSPEND; goto exit; @@ -6691,6 +6693,8 @@ static void __iwl4965_down(struct iwl4965_priv *priv) STATUS_RF_KILL_HW | test_bit(STATUS_RF_KILL_SW, &priv->status) << STATUS_RF_KILL_SW | + test_bit(STATUS_GEO_CONFIGURED, &priv->status) << + STATUS_GEO_CONFIGURED | test_bit(STATUS_IN_SUSPEND, &priv->status) << STATUS_IN_SUSPEND | test_bit(STATUS_FW_ERROR, &priv->status) << -- cgit v1.2.3 From c342a1b91f6ccd317c68defd3b4c7bb75397d967 Mon Sep 17 00:00:00 2001 From: Gregory Greenman Date: Wed, 6 Feb 2008 11:20:40 -0800 Subject: iwlwifi: Don't send host commands on rfkill This patch prevents sending host commands when rfkill is on Signed-off-by: Gregory Greenman Signed-off-by: Tomas Winkler Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl3945-base.c | 6 ++++++ drivers/net/wireless/iwlwifi/iwl4965-base.c | 5 +++++ 2 files changed, 11 insertions(+) (limited to 'drivers') diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index b6f19a52b78..66520e85e79 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -687,6 +687,12 @@ static int iwl3945_enqueue_hcmd(struct iwl3945_priv *priv, struct iwl3945_host_c BUG_ON((fix_size > TFD_MAX_PAYLOAD_SIZE) && !(cmd->meta.flags & CMD_SIZE_HUGE)); + + if (iwl3945_is_rfkill(priv)) { + IWL_DEBUG_INFO("Not sending command - RF KILL"); + return -EIO; + } + if (iwl3945_queue_space(q) < ((cmd->meta.flags & CMD_ASYNC) ? 2 : 1)) { IWL_ERROR("No space for Tx\n"); return -ENOSPC; diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c index 8bedc0c311f..855cc97d04a 100644 --- a/drivers/net/wireless/iwlwifi/iwl4965-base.c +++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c @@ -692,6 +692,11 @@ static int iwl4965_enqueue_hcmd(struct iwl4965_priv *priv, struct iwl4965_host_c BUG_ON((fix_size > TFD_MAX_PAYLOAD_SIZE) && !(cmd->meta.flags & CMD_SIZE_HUGE)); + if (iwl4965_is_rfkill(priv)) { + IWL_DEBUG_INFO("Not sending command - RF KILL"); + return -EIO; + } + if (iwl4965_queue_space(q) < ((cmd->meta.flags & CMD_ASYNC) ? 2 : 1)) { IWL_ERROR("No space for Tx\n"); return -ENOSPC; -- cgit v1.2.3 From d68ab68066805fdfee1f5f29ec2ec0179fd92fe1 Mon Sep 17 00:00:00 2001 From: Mohamed Abbas Date: Thu, 7 Feb 2008 13:16:33 -0800 Subject: iwlwifi: earlier rx allocation Value of count is used to decide when to replenish rx buffers. If it is equal or above 8 we replenish the buffers. Ensure there is no starvation by initializing count to 8 - thus forcing replenish at first iteration. This is helpful when rx receives batches of buffers smaller than 8. Signed-off-by: Mohamed Abbas Signed-off-by: Reinette Chatre Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl3945-base.c | 2 +- drivers/net/wireless/iwlwifi/iwl4965-base.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 66520e85e79..74b1099ff8a 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -4287,7 +4287,7 @@ static void iwl3945_rx_handle(struct iwl3945_priv *priv) int reclaim; unsigned long flags; u8 fill_rx = 0; - u32 count = 0; + u32 count = 8; /* uCode's read index (stored in shared DRAM) indicates the last Rx * buffer that the driver may process (last buffer filled by ucode). */ diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c index 855cc97d04a..14a11bd83e8 100644 --- a/drivers/net/wireless/iwlwifi/iwl4965-base.c +++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c @@ -4669,7 +4669,7 @@ static void iwl4965_rx_handle(struct iwl4965_priv *priv) int reclaim; unsigned long flags; u8 fill_rx = 0; - u32 count = 0; + u32 count = 8; /* uCode's read index (stored in shared DRAM) indicates the last Rx * buffer that the driver may process (last buffer filled by ucode). */ -- cgit v1.2.3 From 8e118f0ed866afab654a438b85643d4f1472f28b Mon Sep 17 00:00:00 2001 From: Stefano Brivio Date: Fri, 8 Feb 2008 06:31:53 +0100 Subject: b43legacy: fix DMA for 30/32-bit DMA engines This checks if the DMA address is bigger than what the controller can manage. It will reallocate the buffers in the GFP_DMA zone in that case. The patch by Michael Buesch has been ported to b43legacy. Thanks to Matti Viljanen for reporting this. Cc: Matti Viljanen Signed-off-by: Stefano Brivio Signed-off-by: John W. Linville --- drivers/net/wireless/b43legacy/dma.c | 167 ++++++++++++++++++++++------------- drivers/net/wireless/b43legacy/dma.h | 33 ++----- 2 files changed, 113 insertions(+), 87 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/b43legacy/dma.c b/drivers/net/wireless/b43legacy/dma.c index 6e08405e802..e87b427d5e4 100644 --- a/drivers/net/wireless/b43legacy/dma.c +++ b/drivers/net/wireless/b43legacy/dma.c @@ -354,7 +354,8 @@ return 0; } -u16 b43legacy_dmacontroller_base(int dma64bit, int controller_idx) +static u16 b43legacy_dmacontroller_base(enum b43legacy_dmatype type, + int controller_idx) { static const u16 map64[] = { B43legacy_MMIO_DMA64_BASE0, @@ -373,7 +374,7 @@ u16 b43legacy_dmacontroller_base(int dma64bit, int controller_idx) B43legacy_MMIO_DMA32_BASE5, }; - if (dma64bit) { + if (type == B43legacy_DMA_64BIT) { B43legacy_WARN_ON(!(controller_idx >= 0 && controller_idx < ARRAY_SIZE(map64))); return map64[controller_idx]; @@ -480,8 +481,9 @@ static void free_ringmemory(struct b43legacy_dmaring *ring) } /* Reset the RX DMA channel */ -int b43legacy_dmacontroller_rx_reset(struct b43legacy_wldev *dev, - u16 mmio_base, int dma64) +static int b43legacy_dmacontroller_rx_reset(struct b43legacy_wldev *dev, + u16 mmio_base, + enum b43legacy_dmatype type) { int i; u32 value; @@ -489,13 +491,14 @@ int b43legacy_dmacontroller_rx_reset(struct b43legacy_wldev *dev, might_sleep(); - offset = dma64 ? B43legacy_DMA64_RXCTL : B43legacy_DMA32_RXCTL; + offset = (type == B43legacy_DMA_64BIT) ? + B43legacy_DMA64_RXCTL : B43legacy_DMA32_RXCTL; b43legacy_write32(dev, mmio_base + offset, 0); for (i = 0; i < 10; i++) { - offset = dma64 ? B43legacy_DMA64_RXSTATUS : - B43legacy_DMA32_RXSTATUS; + offset = (type == B43legacy_DMA_64BIT) ? + B43legacy_DMA64_RXSTATUS : B43legacy_DMA32_RXSTATUS; value = b43legacy_read32(dev, mmio_base + offset); - if (dma64) { + if (type == B43legacy_DMA_64BIT) { value &= B43legacy_DMA64_RXSTAT; if (value == B43legacy_DMA64_RXSTAT_DISABLED) { i = -1; @@ -519,8 +522,9 @@ int b43legacy_dmacontroller_rx_reset(struct b43legacy_wldev *dev, } /* Reset the RX DMA channel */ -int b43legacy_dmacontroller_tx_reset(struct b43legacy_wldev *dev, - u16 mmio_base, int dma64) +static int b43legacy_dmacontroller_tx_reset(struct b43legacy_wldev *dev, + u16 mmio_base, + enum b43legacy_dmatype type) { int i; u32 value; @@ -529,10 +533,10 @@ int b43legacy_dmacontroller_tx_reset(struct b43legacy_wldev *dev, might_sleep(); for (i = 0; i < 10; i++) { - offset = dma64 ? B43legacy_DMA64_TXSTATUS : - B43legacy_DMA32_TXSTATUS; + offset = (type == B43legacy_DMA_64BIT) ? + B43legacy_DMA64_TXSTATUS : B43legacy_DMA32_TXSTATUS; value = b43legacy_read32(dev, mmio_base + offset); - if (dma64) { + if (type == B43legacy_DMA_64BIT) { value &= B43legacy_DMA64_TXSTAT; if (value == B43legacy_DMA64_TXSTAT_DISABLED || value == B43legacy_DMA64_TXSTAT_IDLEWAIT || @@ -547,13 +551,14 @@ int b43legacy_dmacontroller_tx_reset(struct b43legacy_wldev *dev, } msleep(1); } - offset = dma64 ? B43legacy_DMA64_TXCTL : B43legacy_DMA32_TXCTL; + offset = (type == B43legacy_DMA_64BIT) ? B43legacy_DMA64_TXCTL : + B43legacy_DMA32_TXCTL; b43legacy_write32(dev, mmio_base + offset, 0); for (i = 0; i < 10; i++) { - offset = dma64 ? B43legacy_DMA64_TXSTATUS : - B43legacy_DMA32_TXSTATUS; + offset = (type == B43legacy_DMA_64BIT) ? + B43legacy_DMA64_TXSTATUS : B43legacy_DMA32_TXSTATUS; value = b43legacy_read32(dev, mmio_base + offset); - if (dma64) { + if (type == B43legacy_DMA_64BIT) { value &= B43legacy_DMA64_TXSTAT; if (value == B43legacy_DMA64_TXSTAT_DISABLED) { i = -1; @@ -578,6 +583,32 @@ int b43legacy_dmacontroller_tx_reset(struct b43legacy_wldev *dev, return 0; } +/* Check if a DMA mapping address is invalid. */ +static bool b43legacy_dma_mapping_error(struct b43legacy_dmaring *ring, + dma_addr_t addr, + size_t buffersize) +{ + if (unlikely(dma_mapping_error(addr))) + return 1; + + switch (ring->type) { + case B43legacy_DMA_30BIT: + if ((u64)addr + buffersize > (1ULL << 30)) + return 1; + break; + case B43legacy_DMA_32BIT: + if ((u64)addr + buffersize > (1ULL << 32)) + return 1; + break; + case B43legacy_DMA_64BIT: + /* Currently we can't have addresses beyond 64 bits in the kernel. */ + break; + } + + /* The address is OK. */ + return 0; +} + static int setup_rx_descbuffer(struct b43legacy_dmaring *ring, struct b43legacy_dmadesc_generic *desc, struct b43legacy_dmadesc_meta *meta, @@ -595,7 +626,7 @@ static int setup_rx_descbuffer(struct b43legacy_dmaring *ring, return -ENOMEM; dmaaddr = map_descbuffer(ring, skb->data, ring->rx_buffersize, 0); - if (dma_mapping_error(dmaaddr)) { + if (b43legacy_dma_mapping_error(ring, dmaaddr, ring->rx_buffersize)) { /* ugh. try to realloc in zone_dma */ gfp_flags |= GFP_DMA; @@ -608,7 +639,7 @@ static int setup_rx_descbuffer(struct b43legacy_dmaring *ring, ring->rx_buffersize, 0); } - if (dma_mapping_error(dmaaddr)) { + if (b43legacy_dma_mapping_error(ring, dmaaddr, ring->rx_buffersize)) { dev_kfree_skb_any(skb); return -EIO; } @@ -674,7 +705,7 @@ static int dmacontroller_setup(struct b43legacy_dmaring *ring) u32 trans = ssb_dma_translation(ring->dev->dev); if (ring->tx) { - if (ring->dma64) { + if (ring->type == B43legacy_DMA_64BIT) { u64 ringbase = (u64)(ring->dmabase); addrext = ((ringbase >> 32) & SSB_DMA_TRANSLATION_MASK) @@ -709,7 +740,7 @@ static int dmacontroller_setup(struct b43legacy_dmaring *ring) err = alloc_initial_descbuffers(ring); if (err) goto out; - if (ring->dma64) { + if (ring->type == B43legacy_DMA_64BIT) { u64 ringbase = (u64)(ring->dmabase); addrext = ((ringbase >> 32) & SSB_DMA_TRANSLATION_MASK) @@ -760,16 +791,16 @@ static void dmacontroller_cleanup(struct b43legacy_dmaring *ring) { if (ring->tx) { b43legacy_dmacontroller_tx_reset(ring->dev, ring->mmio_base, - ring->dma64); - if (ring->dma64) { + ring->type); + if (ring->type == B43legacy_DMA_64BIT) { b43legacy_dma_write(ring, B43legacy_DMA64_TXRINGLO, 0); b43legacy_dma_write(ring, B43legacy_DMA64_TXRINGHI, 0); } else b43legacy_dma_write(ring, B43legacy_DMA32_TXRING, 0); } else { b43legacy_dmacontroller_rx_reset(ring->dev, ring->mmio_base, - ring->dma64); - if (ring->dma64) { + ring->type); + if (ring->type == B43legacy_DMA_64BIT) { b43legacy_dma_write(ring, B43legacy_DMA64_RXRINGLO, 0); b43legacy_dma_write(ring, B43legacy_DMA64_RXRINGHI, 0); } else @@ -824,11 +855,10 @@ static u64 supported_dma_mask(struct b43legacy_wldev *dev) /* Main initialization function. */ static -struct b43legacy_dmaring *b43legacy_setup_dmaring( - struct b43legacy_wldev *dev, - int controller_index, - int for_tx, - int dma64) +struct b43legacy_dmaring *b43legacy_setup_dmaring(struct b43legacy_wldev *dev, + int controller_index, + int for_tx, + enum b43legacy_dmatype type) { struct b43legacy_dmaring *ring; int err; @@ -838,6 +868,7 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring( ring = kzalloc(sizeof(*ring), GFP_KERNEL); if (!ring) goto out; + ring->type = type; nr_slots = B43legacy_RXRING_SLOTS; if (for_tx) @@ -855,12 +886,12 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring( goto err_kfree_meta; /* test for ability to dma to txhdr_cache */ - dma_test = dma_map_single(dev->dev->dev, - ring->txhdr_cache, - sizeof(struct b43legacy_txhdr_fw3), - DMA_TO_DEVICE); + dma_test = dma_map_single(dev->dev->dev, ring->txhdr_cache, + sizeof(struct b43legacy_txhdr_fw3), + DMA_TO_DEVICE); - if (dma_mapping_error(dma_test)) { + if (b43legacy_dma_mapping_error(ring, dma_test, + sizeof(struct b43legacy_txhdr_fw3))) { /* ugh realloc */ kfree(ring->txhdr_cache); ring->txhdr_cache = kcalloc(nr_slots, @@ -874,7 +905,8 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring( sizeof(struct b43legacy_txhdr_fw3), DMA_TO_DEVICE); - if (dma_mapping_error(dma_test)) + if (b43legacy_dma_mapping_error(ring, dma_test, + sizeof(struct b43legacy_txhdr_fw3))) goto err_kfree_txhdr_cache; } @@ -885,11 +917,9 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring( ring->dev = dev; ring->nr_slots = nr_slots; - ring->mmio_base = b43legacy_dmacontroller_base(dma64, - controller_index); + ring->mmio_base = b43legacy_dmacontroller_base(type, controller_index); ring->index = controller_index; - ring->dma64 = !!dma64; - if (dma64) + if (type == B43legacy_DMA_64BIT) ring->ops = &dma64_ops; else ring->ops = &dma32_ops; @@ -939,10 +969,10 @@ static void b43legacy_destroy_dmaring(struct b43legacy_dmaring *ring) if (!ring) return; - b43legacydbg(ring->dev->wl, "DMA-%s 0x%04X (%s) max used slots:" - " %d/%d\n", (ring->dma64) ? "64" : "32", ring->mmio_base, - (ring->tx) ? "TX" : "RX", - ring->max_used_slots, ring->nr_slots); + b43legacydbg(ring->dev->wl, "DMA-%u 0x%04X (%s) max used slots:" + " %d/%d\n", (unsigned int)(ring->type), ring->mmio_base, + (ring->tx) ? "TX" : "RX", ring->max_used_slots, + ring->nr_slots); /* Device IRQs are disabled prior entering this function, * so no need to take care of concurrency with rx handler stuff. */ @@ -988,11 +1018,22 @@ int b43legacy_dma_init(struct b43legacy_wldev *dev) struct b43legacy_dmaring *ring; int err; u64 dmamask; - int dma64 = 0; + enum b43legacy_dmatype type; dmamask = supported_dma_mask(dev); - if (dmamask == DMA_64BIT_MASK) - dma64 = 1; + switch (dmamask) { + default: + B43legacy_WARN_ON(1); + case DMA_30BIT_MASK: + type = B43legacy_DMA_30BIT; + break; + case DMA_32BIT_MASK: + type = B43legacy_DMA_32BIT; + break; + case DMA_64BIT_MASK: + type = B43legacy_DMA_64BIT; + break; + } err = ssb_dma_set_mask(dev->dev, dmamask); if (err) { @@ -1010,52 +1051,50 @@ int b43legacy_dma_init(struct b43legacy_wldev *dev) err = -ENOMEM; /* setup TX DMA channels. */ - ring = b43legacy_setup_dmaring(dev, 0, 1, dma64); + ring = b43legacy_setup_dmaring(dev, 0, 1, type); if (!ring) goto out; dma->tx_ring0 = ring; - ring = b43legacy_setup_dmaring(dev, 1, 1, dma64); + ring = b43legacy_setup_dmaring(dev, 1, 1, type); if (!ring) goto err_destroy_tx0; dma->tx_ring1 = ring; - ring = b43legacy_setup_dmaring(dev, 2, 1, dma64); + ring = b43legacy_setup_dmaring(dev, 2, 1, type); if (!ring) goto err_destroy_tx1; dma->tx_ring2 = ring; - ring = b43legacy_setup_dmaring(dev, 3, 1, dma64); + ring = b43legacy_setup_dmaring(dev, 3, 1, type); if (!ring) goto err_destroy_tx2; dma->tx_ring3 = ring; - ring = b43legacy_setup_dmaring(dev, 4, 1, dma64); + ring = b43legacy_setup_dmaring(dev, 4, 1, type); if (!ring) goto err_destroy_tx3; dma->tx_ring4 = ring; - ring = b43legacy_setup_dmaring(dev, 5, 1, dma64); + ring = b43legacy_setup_dmaring(dev, 5, 1, type); if (!ring) goto err_destroy_tx4; dma->tx_ring5 = ring; /* setup RX DMA channels. */ - ring = b43legacy_setup_dmaring(dev, 0, 0, dma64); + ring = b43legacy_setup_dmaring(dev, 0, 0, type); if (!ring) goto err_destroy_tx5; dma->rx_ring0 = ring; if (dev->dev->id.revision < 5) { - ring = b43legacy_setup_dmaring(dev, 3, 0, dma64); + ring = b43legacy_setup_dmaring(dev, 3, 0, type); if (!ring) goto err_destroy_rx0; dma->rx_ring3 = ring; } - b43legacydbg(dev->wl, "%d-bit DMA initialized\n", - (dmamask == DMA_64BIT_MASK) ? 64 : - (dmamask == DMA_32BIT_MASK) ? 32 : 30); + b43legacydbg(dev->wl, "%u-bit DMA initialized\n", (unsigned int)type); err = 0; out: return err; @@ -1194,9 +1233,13 @@ static int dma_tx_fragment(struct b43legacy_dmaring *ring, } meta_hdr->dmaaddr = map_descbuffer(ring, (unsigned char *)header, - sizeof(struct b43legacy_txhdr_fw3), 1); - if (dma_mapping_error(meta_hdr->dmaaddr)) + sizeof(struct b43legacy_txhdr_fw3), 1); + if (b43legacy_dma_mapping_error(ring, meta_hdr->dmaaddr, + sizeof(struct b43legacy_txhdr_fw3))) { + ring->current_slot = old_top_slot; + ring->used_slots = old_used_slots; return -EIO; + } ops->fill_descriptor(ring, desc, meta_hdr->dmaaddr, sizeof(struct b43legacy_txhdr_fw3), 1, 0, 0); @@ -1211,7 +1254,7 @@ static int dma_tx_fragment(struct b43legacy_dmaring *ring, meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1); /* create a bounce buffer in zone_dma on mapping failure. */ - if (dma_mapping_error(meta->dmaaddr)) { + if (b43legacy_dma_mapping_error(ring, meta->dmaaddr, skb->len)) { bounce_skb = __dev_alloc_skb(skb->len, GFP_ATOMIC | GFP_DMA); if (!bounce_skb) { ring->current_slot = old_top_slot; @@ -1225,7 +1268,7 @@ static int dma_tx_fragment(struct b43legacy_dmaring *ring, skb = bounce_skb; meta->skb = skb; meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1); - if (dma_mapping_error(meta->dmaaddr)) { + if (b43legacy_dma_mapping_error(ring, meta->dmaaddr, skb->len)) { ring->current_slot = old_top_slot; ring->used_slots = old_used_slots; err = -EIO; diff --git a/drivers/net/wireless/b43legacy/dma.h b/drivers/net/wireless/b43legacy/dma.h index 26f6ab08de7..2dd488c5be2 100644 --- a/drivers/net/wireless/b43legacy/dma.h +++ b/drivers/net/wireless/b43legacy/dma.h @@ -218,6 +218,12 @@ struct b43legacy_dma_ops { void (*set_current_rxslot)(struct b43legacy_dmaring *ring, int slot); }; +enum b43legacy_dmatype { + B43legacy_DMA_30BIT = 30, + B43legacy_DMA_32BIT = 32, + B43legacy_DMA_64BIT = 64, +}; + struct b43legacy_dmaring { /* Lowlevel DMA ops. */ const struct b43legacy_dma_ops *ops; @@ -250,8 +256,8 @@ struct b43legacy_dmaring { int index; /* Boolean. Is this a TX ring? */ bool tx; - /* Boolean. 64bit DMA if true, 32bit DMA otherwise. */ - bool dma64; + /* The type of DMA engine used. */ + enum b43legacy_dmatype type; /* Boolean. Is this ring stopped at ieee80211 level? */ bool stopped; /* Lock, only used for TX. */ @@ -284,15 +290,6 @@ void b43legacy_dma_write(struct b43legacy_dmaring *ring, int b43legacy_dma_init(struct b43legacy_wldev *dev); void b43legacy_dma_free(struct b43legacy_wldev *dev); -int b43legacy_dmacontroller_rx_reset(struct b43legacy_wldev *dev, - u16 dmacontroller_mmio_base, - int dma64); -int b43legacy_dmacontroller_tx_reset(struct b43legacy_wldev *dev, - u16 dmacontroller_mmio_base, - int dma64); - -u16 b43legacy_dmacontroller_base(int dma64bit, int dmacontroller_idx); - void b43legacy_dma_tx_suspend(struct b43legacy_wldev *dev); void b43legacy_dma_tx_resume(struct b43legacy_wldev *dev); @@ -320,20 +317,6 @@ void b43legacy_dma_free(struct b43legacy_wldev *dev) { } static inline -int b43legacy_dmacontroller_rx_reset(struct b43legacy_wldev *dev, - u16 dmacontroller_mmio_base, - int dma64) -{ - return 0; -} -static inline -int b43legacy_dmacontroller_tx_reset(struct b43legacy_wldev *dev, - u16 dmacontroller_mmio_base, - int dma64) -{ - return 0; -} -static inline void b43legacy_dma_get_tx_stats(struct b43legacy_wldev *dev, struct ieee80211_tx_queue_stats *stats) { -- cgit v1.2.3 From 26bc783f8cf7227718f8b4cbc32f0c3a898b128f Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Sat, 9 Feb 2008 00:18:35 +0100 Subject: b43: Add driver load messages This adds printk messages with basic information about the driver being loaded. This information includes a summary of the compiled-in features, which simplifies bug-reporting and debugging a lot. Also a firmware ID is printed. This is a unique identifier blob for a specific version of the firmware. This ID is attached to a specific version of the firmware blob in b43-fwcutter (see fwcutter git). This helps users to select the right firmware for their device. This also makes it possible to use automated scripts to fetch and extract the right firmware for the driver. (the script will grep the .ko for the "Firmware-ID: xxx" string. While the driver might still support other versions of the firmware for backward compatibility, this will always print out the officially supported version, which people _should_ use. Signed-off-by: Michael Buesch Signed-off-by: John W. Linville --- drivers/net/wireless/b43/b43.h | 6 ++++++ drivers/net/wireless/b43/main.c | 28 ++++++++++++++++++++++++++++ 2 files changed, 34 insertions(+) (limited to 'drivers') diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h index 08a011f0834..f13346ba9dd 100644 --- a/drivers/net/wireless/b43/b43.h +++ b/drivers/net/wireless/b43/b43.h @@ -14,6 +14,12 @@ #include "lo.h" #include "phy.h" + +/* The unique identifier of the firmware that's officially supported by + * this driver version. */ +#define B43_SUPPORTED_FIRMWARE_ID "FW13" + + #ifdef CONFIG_B43_DEBUG # define B43_DEBUG 1 #else diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index ef65c41af00..e55823cc302 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -4200,6 +4200,33 @@ static struct ssb_driver b43_ssb_driver = { .resume = b43_resume, }; +static void b43_print_driverinfo(void) +{ + const char *feat_pci = "", *feat_pcmcia = "", *feat_nphy = "", + *feat_leds = "", *feat_rfkill = ""; + +#ifdef CONFIG_B43_PCI_AUTOSELECT + feat_pci = "P"; +#endif +#ifdef CONFIG_B43_PCMCIA + feat_pcmcia = "M"; +#endif +#ifdef CONFIG_B43_NPHY + feat_nphy = "N"; +#endif +#ifdef CONFIG_B43_LEDS + feat_leds = "L"; +#endif +#ifdef CONFIG_B43_RFKILL + feat_rfkill = "R"; +#endif + printk(KERN_INFO "Broadcom 43xx driver loaded " + "[ Features: %s%s%s%s%s, Firmware-ID: " + B43_SUPPORTED_FIRMWARE_ID " ]\n", + feat_pci, feat_pcmcia, feat_nphy, + feat_leds, feat_rfkill); +} + static int __init b43_init(void) { int err; @@ -4211,6 +4238,7 @@ static int __init b43_init(void) err = ssb_driver_register(&b43_ssb_driver); if (err) goto err_pcmcia_exit; + b43_print_driverinfo(); return err; -- cgit v1.2.3 From 9c7d99d6fba1f26b95fb70b43f7954e9684cad3e Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Sat, 9 Feb 2008 10:23:49 +0100 Subject: b43: Add firmware information to modinfo This adds the firmware ID to modinfo. Signed-off-by: Michael Buesch Signed-off-by: John W. Linville --- drivers/net/wireless/b43/main.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index e55823cc302..ab6d6088e19 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -58,6 +58,8 @@ MODULE_AUTHOR("Stefano Brivio"); MODULE_AUTHOR("Michael Buesch"); MODULE_LICENSE("GPL"); +MODULE_FIRMWARE(B43_SUPPORTED_FIRMWARE_ID); + static int modparam_bad_frames_preempt; module_param_named(bad_frames_preempt, modparam_bad_frames_preempt, int, 0444); -- cgit v1.2.3 From 588e6cdfccb847661c62a2cc0f301d689b94ee64 Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Sat, 9 Feb 2008 17:53:41 +0100 Subject: b43: Fix firmware load message level The firmware version information should always get printed. Not only on a debug build. Signed-off-by: Michael Buesch Signed-off-by: John W. Linville --- drivers/net/wireless/b43/main.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index ab6d6088e19..51dfce16178 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -1861,11 +1861,11 @@ static int b43_upload_microcode(struct b43_wldev *dev) err = -EOPNOTSUPP; goto error; } - b43dbg(dev->wl, "Loading firmware version %u.%u " - "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", - fwrev, fwpatch, - (fwdate >> 12) & 0xF, (fwdate >> 8) & 0xF, fwdate & 0xFF, - (fwtime >> 11) & 0x1F, (fwtime >> 5) & 0x3F, fwtime & 0x1F); + b43info(dev->wl, "Loading firmware version %u.%u " + "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", + fwrev, fwpatch, + (fwdate >> 12) & 0xF, (fwdate >> 8) & 0xF, fwdate & 0xFF, + (fwtime >> 11) & 0x1F, (fwtime >> 5) & 0x3F, fwtime & 0x1F); dev->fw.rev = fwrev; dev->fw.patch = fwpatch; -- cgit v1.2.3 From db433febbadaf1fa9862fb5068b119be1d312d76 Mon Sep 17 00:00:00 2001 From: Ivo van Doorn Date: Sun, 10 Feb 2008 11:21:57 +0100 Subject: rt2x00: Add new USB ID to rt2500usb Signed-off-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2500usb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index 86ded4066f5..4ca9730e5e9 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1839,11 +1839,11 @@ static struct usb_device_id rt2500usb_device_table[] = { /* Hercules */ { USB_DEVICE(0x06f8, 0xe000), USB_DEVICE_DATA(&rt2500usb_ops) }, /* Melco */ + { USB_DEVICE(0x0411, 0x005e), USB_DEVICE_DATA(&rt2500usb_ops) }, { USB_DEVICE(0x0411, 0x0066), USB_DEVICE_DATA(&rt2500usb_ops) }, { USB_DEVICE(0x0411, 0x0067), USB_DEVICE_DATA(&rt2500usb_ops) }, { USB_DEVICE(0x0411, 0x008b), USB_DEVICE_DATA(&rt2500usb_ops) }, { USB_DEVICE(0x0411, 0x0097), USB_DEVICE_DATA(&rt2500usb_ops) }, - /* MSI */ { USB_DEVICE(0x0db0, 0x6861), USB_DEVICE_DATA(&rt2500usb_ops) }, { USB_DEVICE(0x0db0, 0x6865), USB_DEVICE_DATA(&rt2500usb_ops) }, -- cgit v1.2.3 From 1a1c360d73e5100a4dda1010ce0f1ebd71e03811 Mon Sep 17 00:00:00 2001 From: Stefano Brivio Date: Tue, 12 Feb 2008 03:09:00 +0100 Subject: b43legacy: add firmware information to modinfo This adds the firmware ID to modinfo. The patch by Michael Buesch has been ported to b43legacy. Signed-off-by: Stefano Brivio Signed-off-by: John W. Linville --- drivers/net/wireless/b43legacy/main.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c index 53f7f2e9761..25b9b06870b 100644 --- a/drivers/net/wireless/b43legacy/main.c +++ b/drivers/net/wireless/b43legacy/main.c @@ -60,6 +60,8 @@ MODULE_AUTHOR("Stefano Brivio"); MODULE_AUTHOR("Michael Buesch"); MODULE_LICENSE("GPL"); +MODULE_FIRMWARE(B43legacy_SUPPORTED_FIRMWARE_ID); + #if defined(CONFIG_B43LEGACY_DMA) && defined(CONFIG_B43LEGACY_PIO) static int modparam_pio; module_param_named(pio, modparam_pio, int, 0444); -- cgit v1.2.3 From cfbc35b62700447b6b14b744554f5dca17bdfa45 Mon Sep 17 00:00:00 2001 From: Stefano Brivio Date: Tue, 12 Feb 2008 03:09:10 +0100 Subject: b43legacy: fix firmware load message level The firmware version information should always get printed. Not only on a debug build. The patch by Michael Buesch has been ported to b43legacy. Signed-off-by: Stefano Brivio Signed-off-by: John W. Linville --- drivers/net/wireless/b43legacy/main.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c index 25b9b06870b..794c2fa44b9 100644 --- a/drivers/net/wireless/b43legacy/main.c +++ b/drivers/net/wireless/b43legacy/main.c @@ -1642,10 +1642,11 @@ static int b43legacy_upload_microcode(struct b43legacy_wldev *dev) err = -EOPNOTSUPP; goto error; } - b43legacydbg(dev->wl, "Loading firmware version 0x%X, patch level %u " - "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", fwrev, fwpatch, - (fwdate >> 12) & 0xF, (fwdate >> 8) & 0xF, fwdate & 0xFF, - (fwtime >> 11) & 0x1F, (fwtime >> 5) & 0x3F, fwtime & 0x1F); + b43legacyinfo(dev->wl, "Loading firmware version 0x%X, patch level %u " + "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", fwrev, fwpatch, + (fwdate >> 12) & 0xF, (fwdate >> 8) & 0xF, fwdate & 0xFF, + (fwtime >> 11) & 0x1F, (fwtime >> 5) & 0x3F, + fwtime & 0x1F); dev->fw.rev = fwrev; dev->fw.patch = fwpatch; -- cgit v1.2.3 From 58ff6d4db9b51533656173282de8d21f72080a49 Mon Sep 17 00:00:00 2001 From: Tomas Winkler Date: Wed, 13 Feb 2008 02:47:54 +0200 Subject: iwlwifi: reverting 'misc wireless annotations' patch for iwlwifi This patch revert commit blow that wrongly suppressed sparse warning in iwlwifi eeprom reading In addtion it suppresses correctly the iwlwifi eeprom register reading anomaly. commit 45883ae47a0a4700c0f4716dc75a255cccdc3a76 misc wireless annotations Signed-off-by: Al Viro Signed-off-by: Tomas Winkler Cc: Al Viro Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl3945-base.c | 4 ++-- drivers/net/wireless/iwlwifi/iwl4965-base.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 74b1099ff8a..03a0756f7ef 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -1586,7 +1586,7 @@ static inline int iwl3945_eeprom_acquire_semaphore(struct iwl3945_priv *priv) */ int iwl3945_eeprom_init(struct iwl3945_priv *priv) { - __le16 *e = (__le16 *)&priv->eeprom; + u16 *e = (u16 *)&priv->eeprom; u32 gp = iwl3945_read32(priv, CSR_EEPROM_GP); u32 r; int sz = sizeof(priv->eeprom); @@ -1629,7 +1629,7 @@ int iwl3945_eeprom_init(struct iwl3945_priv *priv) IWL_ERROR("Time out reading EEPROM[%d]", addr); return -ETIMEDOUT; } - e[addr / 2] = cpu_to_le16(r >> 16); + e[addr / 2] = le16_to_cpu((__force __le16)(r >> 16)); } return 0; diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c index 14a11bd83e8..2c675626185 100644 --- a/drivers/net/wireless/iwlwifi/iwl4965-base.c +++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c @@ -1659,7 +1659,7 @@ static inline void iwl4965_eeprom_release_semaphore(struct iwl4965_priv *priv) */ int iwl4965_eeprom_init(struct iwl4965_priv *priv) { - __le16 *e = (__le16 *)&priv->eeprom; + u16 *e = (u16 *)&priv->eeprom; u32 gp = iwl4965_read32(priv, CSR_EEPROM_GP); u32 r; int sz = sizeof(priv->eeprom); @@ -1703,7 +1703,7 @@ int iwl4965_eeprom_init(struct iwl4965_priv *priv) rc = -ETIMEDOUT; goto done; } - e[addr / 2] = cpu_to_le16(r >> 16); + e[addr / 2] = le16_to_cpu((__force __le16)(r >> 16)); } rc = 0; -- cgit v1.2.3 From a6477249b4a1c2da6376f47fc175882be9adb844 Mon Sep 17 00:00:00 2001 From: Reinette Chatre Date: Thu, 14 Feb 2008 10:40:28 -0800 Subject: iwlwifi: only check for association id when associating with AP There is no association process in IBSS mode - so testing the association id is not needed. Signed-off-by: Reinette Chatre Signed-off-by: Tomas Winkler CC: Richard Scherping Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl3945-base.c | 3 ++- drivers/net/wireless/iwlwifi/iwl4965-base.c | 2 +- 2 files changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 03a0756f7ef..40b71bc2c4a 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -2812,7 +2812,8 @@ static int iwl3945_tx_skb(struct iwl3945_priv *priv, #endif /* drop all data frame if we are not associated */ - if ((!iwl3945_is_associated(priv) || !priv->assoc_id) && + if ((!iwl3945_is_associated(priv) || + ((priv->iw_mode == IEEE80211_IF_TYPE_STA) && !priv->assoc_id)) && ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA)) { IWL_DEBUG_DROP("Dropping - !iwl3945_is_associated\n"); goto drop_unlock; diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c index 2c675626185..a23d4798653 100644 --- a/drivers/net/wireless/iwlwifi/iwl4965-base.c +++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c @@ -2940,7 +2940,7 @@ static int iwl4965_tx_skb(struct iwl4965_priv *priv, /* drop all data frame if we are not associated */ if (((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) && (!iwl4965_is_associated(priv) || - !priv->assoc_id || + ((priv->iw_mode == IEEE80211_IF_TYPE_STA) && !priv->assoc_id) || !priv->assoc_station_added)) { IWL_DEBUG_DROP("Dropping - !iwl4965_is_associated\n"); goto drop_unlock; -- cgit v1.2.3 From 943dbef4b84b9cee3501e45b654e38335900570b Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Thu, 14 Feb 2008 17:49:41 -0500 Subject: ipw2200: fix ucode assertion for RX queue overrun Restock the RX queue when there are a lot of unused frames so that the RX ring buffer doesn't overrun, causing a ucode assertion. Backport of patch "iwlwifi: fix ucode assertion for RX queue overrun". Signed-off-by: Dan Williams Signed-off-by: John W. Linville --- drivers/net/wireless/ipw2200.c | 45 +++++++++++++++++++++++++++++++----------- 1 file changed, 34 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 3e6ad7b92c8..a56d9fc6354 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -3365,7 +3365,6 @@ static void ipw_rx_queue_reset(struct ipw_priv *priv, /* Set us so that we have processed and used all buffers, but have * not restocked the Rx queue with fresh buffers */ rxq->read = rxq->write = 0; - rxq->processed = RX_QUEUE_SIZE - 1; rxq->free_count = 0; spin_unlock_irqrestore(&rxq->lock, flags); } @@ -3607,7 +3606,22 @@ static int ipw_load(struct ipw_priv *priv) * Driver allocates buffers of this size for Rx */ -static inline int ipw_queue_space(const struct clx2_queue *q) +/** + * ipw_rx_queue_space - Return number of free slots available in queue. + */ +static int ipw_rx_queue_space(const struct ipw_rx_queue *q) +{ + int s = q->read - q->write; + if (s <= 0) + s += RX_QUEUE_SIZE; + /* keep some buffer to not confuse full and empty queue */ + s -= 2; + if (s < 0) + s = 0; + return s; +} + +static inline int ipw_tx_queue_space(const struct clx2_queue *q) { int s = q->last_used - q->first_empty; if (s <= 0) @@ -4947,7 +4961,7 @@ static int ipw_queue_tx_reclaim(struct ipw_priv *priv, priv->tx_packets++; } done: - if ((ipw_queue_space(q) > q->low_mark) && + if ((ipw_tx_queue_space(q) > q->low_mark) && (qindex >= 0) && (priv->status & STATUS_ASSOCIATED) && netif_running(priv->net_dev)) netif_wake_queue(priv->net_dev); @@ -4965,7 +4979,7 @@ static int ipw_queue_tx_hcmd(struct ipw_priv *priv, int hcmd, void *buf, struct clx2_queue *q = &txq->q; struct tfd_frame *tfd; - if (ipw_queue_space(q) < (sync ? 1 : 2)) { + if (ipw_tx_queue_space(q) < (sync ? 1 : 2)) { IPW_ERROR("No space for Tx\n"); return -EBUSY; } @@ -5070,7 +5084,7 @@ static void ipw_rx_queue_restock(struct ipw_priv *priv) spin_lock_irqsave(&rxq->lock, flags); write = rxq->write; - while ((rxq->write != rxq->processed) && (rxq->free_count)) { + while ((ipw_rx_queue_space(rxq) > 0) && (rxq->free_count)) { element = rxq->rx_free.next; rxb = list_entry(element, struct ipw_rx_mem_buffer, list); list_del(element); @@ -5187,7 +5201,6 @@ static struct ipw_rx_queue *ipw_rx_queue_alloc(struct ipw_priv *priv) /* Set us so that we have processed and used all buffers, but have * not restocked the Rx queue with fresh buffers */ rxq->read = rxq->write = 0; - rxq->processed = RX_QUEUE_SIZE - 1; rxq->free_count = 0; return rxq; @@ -8223,13 +8236,17 @@ static void ipw_rx(struct ipw_priv *priv) struct ieee80211_hdr_4addr *header; u32 r, w, i; u8 network_packet; + u8 fill_rx = 0; DECLARE_MAC_BUF(mac); DECLARE_MAC_BUF(mac2); DECLARE_MAC_BUF(mac3); r = ipw_read32(priv, IPW_RX_READ_INDEX); w = ipw_read32(priv, IPW_RX_WRITE_INDEX); - i = (priv->rxq->processed + 1) % RX_QUEUE_SIZE; + i = priv->rxq->read; + + if (ipw_rx_queue_space (priv->rxq) > (RX_QUEUE_SIZE / 2)) + fill_rx = 1; while (i != r) { rxb = priv->rxq->queue[i]; @@ -8404,11 +8421,17 @@ static void ipw_rx(struct ipw_priv *priv) list_add_tail(&rxb->list, &priv->rxq->rx_used); i = (i + 1) % RX_QUEUE_SIZE; + + /* If there are a lot of unsued frames, restock the Rx queue + * so the ucode won't assert */ + if (fill_rx) { + priv->rxq->read = i; + ipw_rx_queue_replenish(priv); + } } /* Backtrack one entry */ - priv->rxq->processed = (i ? i : RX_QUEUE_SIZE) - 1; - + priv->rxq->read = i; ipw_rx_queue_restock(priv); } @@ -10336,7 +10359,7 @@ static int ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb, q->first_empty = ipw_queue_inc_wrap(q->first_empty, q->n_bd); ipw_write32(priv, q->reg_w, q->first_empty); - if (ipw_queue_space(q) < q->high_mark) + if (ipw_tx_queue_space(q) < q->high_mark) netif_stop_queue(priv->net_dev); return NETDEV_TX_OK; @@ -10357,7 +10380,7 @@ static int ipw_net_is_queue_full(struct net_device *dev, int pri) struct clx2_tx_queue *txq = &priv->txq[0]; #endif /* CONFIG_IPW2200_QOS */ - if (ipw_queue_space(&txq->q) < txq->q.high_mark) + if (ipw_tx_queue_space(&txq->q) < txq->q.high_mark) return 1; return 0; -- cgit v1.2.3 From 6fff1c64ffd899e0b70fbb0201c6603f078ea942 Mon Sep 17 00:00:00 2001 From: Stefano Brivio Date: Sat, 9 Feb 2008 07:20:43 +0100 Subject: b43legacy: Add driver load messages This adds printk messages with basic information about the driver being loaded. This information includes a summary of the compiled-in features, which simplifies bug-reporting and debugging a lot. Also a firmware ID is printed. This is a unique identifier blob for a specific version of the firmware. This ID is attached to a specific version of the firmware blob in b43-fwcutter (see fwcutter git). This helps users to select the right firmware for their device. This also makes it possible to use automated scripts to fetch and extract the right firmware for the driver. (The script will grep the .ko for the "Firmware-ID: xxx" string.) While the driver might still support other versions of the firmware for backward compatibility, this will always print out the officially supported version, which people _should_ use. Signed-off-by: Stefano Brivio Signed-off-by: John W. Linville --- drivers/net/wireless/b43legacy/b43legacy.h | 4 ++++ drivers/net/wireless/b43legacy/main.c | 30 +++++++++++++++++++++++++++++- 2 files changed, 33 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/wireless/b43legacy/b43legacy.h b/drivers/net/wireless/b43legacy/b43legacy.h index c80edd2b904..93d45b71799 100644 --- a/drivers/net/wireless/b43legacy/b43legacy.h +++ b/drivers/net/wireless/b43legacy/b43legacy.h @@ -23,6 +23,10 @@ #include "phy.h" +/* The unique identifier of the firmware that's officially supported by this + * driver version. */ +#define B43legacy_SUPPORTED_FIRMWARE_ID "FW10" + #define B43legacy_IRQWAIT_MAX_RETRIES 20 #define B43legacy_RX_MAX_SSI 60 /* best guess at max ssi */ diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c index 794c2fa44b9..c39de422e22 100644 --- a/drivers/net/wireless/b43legacy/main.c +++ b/drivers/net/wireless/b43legacy/main.c @@ -3,7 +3,7 @@ * Broadcom B43legacy wireless driver * * Copyright (c) 2005 Martin Langer - * Copyright (c) 2005-2007 Stefano Brivio + * Copyright (c) 2005-2008 Stefano Brivio * Copyright (c) 2005, 2006 Michael Buesch * Copyright (c) 2005 Danny van Dyk * Copyright (c) 2005 Andreas Jaggi @@ -3809,6 +3809,32 @@ static struct ssb_driver b43legacy_ssb_driver = { .resume = b43legacy_resume, }; +static void b43legacy_print_driverinfo(void) +{ + const char *feat_pci = "", *feat_leds = "", *feat_rfkill = "", + *feat_pio = "", *feat_dma = ""; + +#ifdef CONFIG_B43LEGACY_PCI_AUTOSELECT + feat_pci = "P"; +#endif +#ifdef CONFIG_B43LEGACY_LEDS + feat_leds = "L"; +#endif +#ifdef CONFIG_B43LEGACY_RFKILL + feat_rfkill = "R"; +#endif +#ifdef CONFIG_B43LEGACY_PIO + feat_pio = "I"; +#endif +#ifdef CONFIG_B43LEGACY_DMA + feat_dma = "D"; +#endif + printk(KERN_INFO "Broadcom 43xx driver loaded " + "[ Features: %s%s%s%s%s, Firmware-ID: " + B43legacy_SUPPORTED_FIRMWARE_ID " ]\n", + feat_pci, feat_leds, feat_rfkill, feat_pio, feat_dma); +} + static int __init b43legacy_init(void) { int err; @@ -3819,6 +3845,8 @@ static int __init b43legacy_init(void) if (err) goto err_dfs_exit; + b43legacy_print_driverinfo(); + return err; err_dfs_exit: -- cgit v1.2.3 From 08f01058fe8fcf0d4d69d96d667c51d52859b31d Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Thu, 14 Feb 2008 10:45:20 -0800 Subject: ata: make ata_scsiop_inq_89 static in libata-scsi.c Signed-off-by: Harvey Harrison Signed-off-by: Jeff Garzik --- drivers/ata/libata-scsi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index c02c490122d..1cea18f62ab 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -1862,7 +1862,7 @@ unsigned int ata_scsiop_inq_83(struct ata_scsi_args *args, u8 *rbuf, * spin_lock_irqsave(host lock) */ -unsigned int ata_scsiop_inq_89(struct ata_scsi_args *args, u8 *rbuf, +static unsigned int ata_scsiop_inq_89(struct ata_scsi_args *args, u8 *rbuf, unsigned int buflen) { u8 pbuf[60]; -- cgit v1.2.3 From eeb37ac87459f8e86d53243bd97e0c086de7eb87 Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Thu, 14 Feb 2008 10:45:23 -0800 Subject: ata: fix sparse warning in libata-core.c rc is used to test the return value and possibly return an error. No need to redeclare inside the loop. drivers/ata/libata-core.c:7089:7: warning: symbol 'rc' shadows an earlier one drivers/ata/libata-core.c:7030:9: originally declared here Signed-off-by: Harvey Harrison Signed-off-by: Jeff Garzik --- drivers/ata/libata-core.c | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 004dae4ea5b..beaa3a9d8b6 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -7086,7 +7086,6 @@ int ata_host_register(struct ata_host *host, struct scsi_host_template *sht) DPRINTK("probe begin\n"); for (i = 0; i < host->n_ports; i++) { struct ata_port *ap = host->ports[i]; - int rc; /* probe */ if (ap->ops->error_handler) { -- cgit v1.2.3 From 018d982721209241ede1180aa795d68833c26b10 Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Wed, 13 Feb 2008 21:14:05 -0800 Subject: ata: fix sparse warning in ata_piix.c drivers/ata/ata_piix.c:1655:8: warning: symbol 'rc' shadows an earlier one drivers/ata/ata_piix.c:1616:6: originally declared here Signed-off-by: Harvey Harrison Signed-off-by: Jeff Garzik --- drivers/ata/ata_piix.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 9c2515f67de..752e7d2f3b2 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -1652,7 +1652,7 @@ static int __devinit piix_init_one(struct pci_dev *pdev, u8 tmp; pci_read_config_byte(pdev, PIIX_SCC, &tmp); if (tmp == PIIX_AHCI_DEVICE) { - int rc = piix_disable_ahci(pdev); + rc = piix_disable_ahci(pdev); if (rc) return rc; } -- cgit v1.2.3 From 6903c0f7efe907ada1b9636b52c5ae11fd51ab68 Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Wed, 13 Feb 2008 21:14:08 -0800 Subject: ata: fix sparse warning in sata_promise.c drivers/ata/sata_promise.c:546:15: warning: symbol 'len' shadows an earlier one drivers/ata/sata_promise.c:538:6: originally declared here len is set again immediately after the loop, so this is safe. Signed-off-by: Harvey Harrison Signed-off-by: Jeff Garzik --- drivers/ata/sata_promise.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c index a07d319f6e8..f251a5f569d 100644 --- a/drivers/ata/sata_promise.c +++ b/drivers/ata/sata_promise.c @@ -543,7 +543,7 @@ static void pdc_fill_sg(struct ata_queued_cmd *qc) idx = 0; for_each_sg(qc->sg, sg, qc->n_elem, si) { u32 addr, offset; - u32 sg_len, len; + u32 sg_len; /* determine if physical DMA addr spans 64K boundary. * Note h/w doesn't support 64-bit, so we unconditionally -- cgit v1.2.3 From 48e1f800eaa08eefe00476b83a7983b707d31848 Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Wed, 13 Feb 2008 21:14:11 -0800 Subject: ata: fix sparse warning in sata_via.c drivers/ata/sata_via.c:336:2: warning: returning void-valued expression Signed-off-by: Harvey Harrison Signed-off-by: Jeff Garzik --- drivers/ata/sata_via.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c index 30caa033719..0d03f44824f 100644 --- a/drivers/ata/sata_via.c +++ b/drivers/ata/sata_via.c @@ -333,8 +333,8 @@ static int vt6420_prereset(struct ata_link *link, unsigned long deadline) static void vt6420_error_handler(struct ata_port *ap) { - return ata_bmdma_drive_eh(ap, vt6420_prereset, ata_std_softreset, - NULL, ata_std_postreset); + ata_bmdma_drive_eh(ap, vt6420_prereset, ata_std_softreset, NULL, + ata_std_postreset); } static int vt6421_pata_cable_detect(struct ata_port *ap) -- cgit v1.2.3 From 5ab063e397d9f6fcadb37a07465efcc87f9e9345 Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Wed, 13 Feb 2008 21:14:14 -0800 Subject: ata: fix sparse warnings in sata_mv.c pp is never used again in this function, no need to declare a new one. drivers/ata/sata_mv.c:1545:24: warning: symbol 'pp' shadows an earlier one drivers/ata/sata_mv.c:1501:22: originally declared here drivers/ata/sata_mv.c:1553:24: warning: symbol 'pp' shadows an earlier one drivers/ata/sata_mv.c:1501:22: originally declared here Signed-off-by: Harvey Harrison Signed-off-by: Jeff Garzik --- drivers/ata/sata_mv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 04b571764af..2ecd44db414 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -1542,7 +1542,7 @@ static void mv_err_intr(struct ata_port *ap, struct ata_queued_cmd *qc) eh_freeze_mask = EDMA_EH_FREEZE_5; if (edma_err_cause & EDMA_ERR_SELF_DIS_5) { - struct mv_port_priv *pp = ap->private_data; + pp = ap->private_data; pp->pp_flags &= ~MV_PP_FLAG_EDMA_EN; ata_ehi_push_desc(ehi, "EDMA self-disable"); } @@ -1550,7 +1550,7 @@ static void mv_err_intr(struct ata_port *ap, struct ata_queued_cmd *qc) eh_freeze_mask = EDMA_EH_FREEZE; if (edma_err_cause & EDMA_ERR_SELF_DIS) { - struct mv_port_priv *pp = ap->private_data; + pp = ap->private_data; pp->pp_flags &= ~MV_PP_FLAG_EDMA_EN; ata_ehi_push_desc(ehi, "EDMA self-disable"); } -- cgit v1.2.3 From 7a3a16fe7ddf0570e2fcf286d7e244a5e1e16f6a Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 13 Feb 2008 18:20:19 +0900 Subject: pata_legacy: don't call ata_host_detach() after initialization failure ata_host_detach() detaches an attached port and shouldn't be called on a port which hasn't been attached yet. pata_legacy incorrectly calls ata_host_detach() on unattached port after initialization failure causing oops. Fix it. Signed-off-by: Tejun Heo Cc: Alan Cox Cc: Ingo Molnar Cc: Arjan van de Ven Signed-off-by: Jeff Garzik --- drivers/ata/pata_legacy.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c index 6c59969fd50..d2177f75078 100644 --- a/drivers/ata/pata_legacy.c +++ b/drivers/ata/pata_legacy.c @@ -1278,8 +1278,6 @@ static __init int legacy_init_one(struct legacy_probe *probe) } } fail: - if (host) - ata_host_detach(host); platform_device_unregister(pdev); return ret; } -- cgit v1.2.3 From b6966a61a8b5df2987856c81f39a8fd014d32a80 Mon Sep 17 00:00:00 2001 From: "Martin K. Petersen" Date: Wed, 13 Feb 2008 01:41:44 -0500 Subject: pata_cs5536.c bugfix Fix speed negotiation for secondary device. Signed-off-by: Martin K. Petersen Signed-off-by: Jeff Garzik --- drivers/ata/pata_cs5536.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_cs5536.c b/drivers/ata/pata_cs5536.c index d753e568588..89fc8db1fb3 100644 --- a/drivers/ata/pata_cs5536.c +++ b/drivers/ata/pata_cs5536.c @@ -40,7 +40,7 @@ #include #define DRV_NAME "pata_cs5536" -#define DRV_VERSION "0.0.6" +#define DRV_VERSION "0.0.7" enum { CFG = 0, @@ -153,8 +153,8 @@ static void cs5536_set_piomode(struct ata_port *ap, struct ata_device *adev) struct ata_device *pair = ata_dev_pair(adev); int mode = adev->pio_mode - XFER_PIO_0; int cmdmode = mode; - int dshift = ap->port_no ? IDE_D1_SHIFT : IDE_D0_SHIFT; - int cshift = ap->port_no ? IDE_CAST_D1_SHIFT : IDE_CAST_D0_SHIFT; + int dshift = adev->devno ? IDE_D1_SHIFT : IDE_D0_SHIFT; + int cshift = adev->devno ? IDE_CAST_D1_SHIFT : IDE_CAST_D0_SHIFT; u32 dtc, cast, etc; if (pair) @@ -201,7 +201,7 @@ static void cs5536_set_dmamode(struct ata_port *ap, struct ata_device *adev) struct pci_dev *pdev = to_pci_dev(ap->host->dev); u32 dtc, etc; int mode = adev->dma_mode; - int dshift = ap->port_no ? IDE_D1_SHIFT : IDE_D0_SHIFT; + int dshift = adev->devno ? IDE_D1_SHIFT : IDE_D0_SHIFT; if (mode >= XFER_UDMA_0) { cs5536_read(pdev, ETC, &etc); -- cgit v1.2.3 From 1ec414ecc0fe09a610dfafcc6958103a37b7eb0f Mon Sep 17 00:00:00 2001 From: Akira Iguchi Date: Wed, 13 Feb 2008 11:55:07 +0900 Subject: pata_scc.c: add thaw ops This patch adds default thaw ops and fixes the freeze/thaw inconsistency. Signed-off-by: Kou Ishizaki Signed-off-by: Akira Iguchi Signed-off-by: Jeff Garzik --- drivers/ata/pata_scc.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/ata/pata_scc.c b/drivers/ata/pata_scc.c index 55055b27524..6c016deeaed 100644 --- a/drivers/ata/pata_scc.c +++ b/drivers/ata/pata_scc.c @@ -1007,6 +1007,8 @@ static const struct ata_port_operations scc_pata_ops = { .qc_issue = ata_qc_issue_prot, .freeze = scc_bmdma_freeze, + .thaw = ata_bmdma_thaw, + .error_handler = scc_error_handler, .post_internal_cmd = scc_bmdma_stop, -- cgit v1.2.3 From d98f88c222bf56cfa5839930fb0d0af22d1c36bf Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Wed, 13 Feb 2008 21:14:20 -0800 Subject: ata: sparse fixes for pata_amd.c drop return statement. drivers/ata/pata_amd.c:149:2: warning: returning void-valued expression Commit ce54d1616302117fa98513ae916bb3333e1c02ea pata_amd: update mode selection for NV PATAs added the initializer for nv_mode_filter but missed deleting the previously set mode_filter drivers/ata/pata_amd.c:509:3: warning: Initializer entry defined twice drivers/ata/pata_amd.c:521:3: also defined here drivers/ata/pata_amd.c:544:3: warning: Initializer entry defined twice drivers/ata/pata_amd.c:556:3: also defined here Signed-off-by: Harvey Harrison Signed-off-by: Jeff Garzik --- drivers/ata/pata_amd.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_amd.c b/drivers/ata/pata_amd.c index ea567e2b170..4b8d9b592ca 100644 --- a/drivers/ata/pata_amd.c +++ b/drivers/ata/pata_amd.c @@ -146,9 +146,8 @@ static int amd_pre_reset(struct ata_link *link, unsigned long deadline) static void amd_error_handler(struct ata_port *ap) { - return ata_bmdma_drive_eh(ap, amd_pre_reset, - ata_std_softreset, NULL, - ata_std_postreset); + ata_bmdma_drive_eh(ap, amd_pre_reset, ata_std_softreset, NULL, + ata_std_postreset); } static int amd_cable_detect(struct ata_port *ap) @@ -506,7 +505,6 @@ static struct ata_port_operations amd133_port_ops = { static struct ata_port_operations nv100_port_ops = { .set_piomode = nv100_set_piomode, .set_dmamode = nv100_set_dmamode, - .mode_filter = ata_pci_default_filter, .tf_load = ata_tf_load, .tf_read = ata_tf_read, .check_status = ata_check_status, @@ -541,7 +539,6 @@ static struct ata_port_operations nv100_port_ops = { static struct ata_port_operations nv133_port_ops = { .set_piomode = nv133_set_piomode, .set_dmamode = nv133_set_dmamode, - .mode_filter = ata_pci_default_filter, .tf_load = ata_tf_load, .tf_read = ata_tf_read, .check_status = ata_check_status, -- cgit v1.2.3 From 2072fb55cf2400f2f7f4b47849b69f440bb9808f Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Wed, 13 Feb 2008 21:14:23 -0800 Subject: ata: fix sparse warning in pata_cs5536.c Everybody passes in a u32...why fight it. drivers/ata/pata_cs5536.c:124:26: warning: incorrect type in argument 3 (different signedness) drivers/ata/pata_cs5536.c:124:26: expected int *val drivers/ata/pata_cs5536.c:124:26: got unsigned int * Signed-off-by: Harvey Harrison Signed-off-by: Jeff Garzik --- drivers/ata/pata_cs5536.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ata/pata_cs5536.c b/drivers/ata/pata_cs5536.c index 89fc8db1fb3..1c4ff9b52b5 100644 --- a/drivers/ata/pata_cs5536.c +++ b/drivers/ata/pata_cs5536.c @@ -85,7 +85,7 @@ static const u8 pci_reg[4] = { PCI_IDE_CFG, PCI_IDE_DTC, PCI_IDE_CAST, PCI_IDE_ETC, }; -static inline int cs5536_read(struct pci_dev *pdev, int reg, int *val) +static inline int cs5536_read(struct pci_dev *pdev, int reg, u32 *val) { if (unlikely(use_msr)) { u32 dummy; -- cgit v1.2.3 From ef2f2e4911654f0bc3b432b3d27e7c4d992efb7b Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Wed, 13 Feb 2008 21:14:26 -0800 Subject: ata: fix sparse warning in pata_jmicron.c drivers/ata/pata_jmicron.c:118:2: warning: returning void-valued expression Signed-off-by: Harvey Harrison Signed-off-by: Jeff Garzik --- drivers/ata/pata_jmicron.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ata/pata_jmicron.c b/drivers/ata/pata_jmicron.c index 5b8174d9406..00bbbbd50e9 100644 --- a/drivers/ata/pata_jmicron.c +++ b/drivers/ata/pata_jmicron.c @@ -115,7 +115,8 @@ static int jmicron_pre_reset(struct ata_link *link, unsigned long deadline) static void jmicron_error_handler(struct ata_port *ap) { - return ata_bmdma_drive_eh(ap, jmicron_pre_reset, ata_std_softreset, NULL, ata_std_postreset); + ata_bmdma_drive_eh(ap, jmicron_pre_reset, ata_std_softreset, NULL, + ata_std_postreset); } /* No PIO or DMA methods needed for this device */ -- cgit v1.2.3 From 42268e26aa9d2b6d0d1f890c354447f185fc2624 Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Wed, 13 Feb 2008 21:14:29 -0800 Subject: ata: fix sparse warning in pata_marvell.c drivers/ata/pata_marvell.c:88:2: warning: returning void-valued expression Signed-off-by: Harvey Harrison Signed-off-by: Jeff Garzik --- drivers/ata/pata_marvell.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_marvell.c b/drivers/ata/pata_marvell.c index 9afc8a32b22..a81f25d8723 100644 --- a/drivers/ata/pata_marvell.c +++ b/drivers/ata/pata_marvell.c @@ -85,8 +85,8 @@ static int marvell_cable_detect(struct ata_port *ap) static void marvell_error_handler(struct ata_port *ap) { - return ata_bmdma_drive_eh(ap, marvell_pre_reset, ata_std_softreset, - NULL, ata_std_postreset); + ata_bmdma_drive_eh(ap, marvell_pre_reset, ata_std_softreset, NULL, + ata_std_postreset); } /* No PIO or DMA methods needed for this device */ -- cgit v1.2.3 From 5410f729e331bd607d99057ece59f6d7866cd3dc Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Wed, 13 Feb 2008 21:14:31 -0800 Subject: ata: fix sparse warning in pata_acpi.c drivers/ata/pata_acpi.c:80:2: warning: returning void-valued expression Signed-off-by: Harvey Harrison Signed-off-by: Jeff Garzik --- drivers/ata/pata_acpi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_acpi.c b/drivers/ata/pata_acpi.c index 244098a80ce..bdc3b9d7395 100644 --- a/drivers/ata/pata_acpi.c +++ b/drivers/ata/pata_acpi.c @@ -77,8 +77,8 @@ static int pacpi_cable_detect(struct ata_port *ap) static void pacpi_error_handler(struct ata_port *ap) { - return ata_bmdma_drive_eh(ap, pacpi_pre_reset, ata_std_softreset, - NULL, ata_std_postreset); + ata_bmdma_drive_eh(ap, pacpi_pre_reset, ata_std_softreset, NULL, + ata_std_postreset); } /** -- cgit v1.2.3 From c7482b81c8b524193d736488c149adbe27a7eb7f Mon Sep 17 00:00:00 2001 From: Li Zefan Date: Fri, 15 Feb 2008 10:24:49 +0800 Subject: IB: Fix return value in ib_device_register_sysfs() If kobject_create_and_add() fails and returns NULL, the current code in ib_device_register_sysfs() does not set ret and hence returns 0. Set ret to -ENOMEM for this failure, so that the caller knows that ib_device_register_sysfs() actually failed. Signed-off-by: Li Zefan Signed-off-by: Roland Dreier --- drivers/infiniband/core/sysfs.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c index c864ef70fdf..5a4b2e65534 100644 --- a/drivers/infiniband/core/sysfs.c +++ b/drivers/infiniband/core/sysfs.c @@ -686,8 +686,10 @@ int ib_device_register_sysfs(struct ib_device *device) device->ports_parent = kobject_create_and_add("ports", kobject_get(&class_dev->kobj)); - if (!device->ports_parent) + if (!device->ports_parent) { + ret = -ENOMEM; goto err_put; + } if (device->node_type == RDMA_NODE_IB_SWITCH) { ret = add_port(device, 0); -- cgit v1.2.3 From 11e0704b7ec3abfeaee7e3a56f11c82024d1ae01 Mon Sep 17 00:00:00 2001 From: Glenn Streiff Date: Fri, 15 Feb 2008 11:41:27 -0600 Subject: RDMA/nes: Fix MAC interrupt erroneously masked on ifdown Only mask out MAC interrupt if necessary and re-enable on ifup. There could be multiple netdevs going through the same MAC. MAC interrupts should not be masked off until the last netdev is downed. Signed-off-by: Chien Tung Signed-off-by: Glenn Streiff Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_nic.c | 52 +++++++++++++++++++++++++------------ 1 file changed, 36 insertions(+), 16 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c index b6cc265aa9a..67827ad894e 100644 --- a/drivers/infiniband/hw/nes/nes_nic.c +++ b/drivers/infiniband/hw/nes/nes_nic.c @@ -148,14 +148,15 @@ static int nes_netdev_open(struct net_device *netdev) struct nes_device *nesdev = nesvnic->nesdev; int ret; int i; - struct nes_vnic *first_nesvnic; + struct nes_vnic *first_nesvnic = NULL; u32 nic_active_bit; u32 nic_active; + struct list_head *list_pos, *list_temp; assert(nesdev != NULL); - first_nesvnic = list_entry(nesdev->nesadapter->nesvnic_list[nesdev->mac_index].next, - struct nes_vnic, list); + if (nesvnic->netdev_open == 1) + return 0; if (netif_msg_ifup(nesvnic)) printk(KERN_INFO PFX "%s: enabling interface\n", netdev->name); @@ -225,7 +226,18 @@ static int nes_netdev_open(struct net_device *netdev) nes_write32(nesdev->regs+NES_CQE_ALLOC, NES_CQE_ALLOC_NOTIFY_NEXT | nesvnic->nic_cq.cq_number); nes_read32(nesdev->regs+NES_CQE_ALLOC); - + list_for_each_safe(list_pos, list_temp, &nesdev->nesadapter->nesvnic_list[nesdev->mac_index]) { + first_nesvnic = container_of(list_pos, struct nes_vnic, list); + if (first_nesvnic->netdev_open == 1) + break; + } + if (first_nesvnic->netdev_open == 0) { + nes_debug(NES_DBG_INIT, "Setting up MAC interrupt mask.\n"); + nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK + (0x200 * nesdev->mac_index), + ~(NES_MAC_INT_LINK_STAT_CHG | NES_MAC_INT_XGMII_EXT | + NES_MAC_INT_TX_UNDERFLOW | NES_MAC_INT_TX_ERROR)); + first_nesvnic = nesvnic; + } if (first_nesvnic->linkup) { /* Enable network packets */ nesvnic->linkup = 1; @@ -248,6 +260,8 @@ static int nes_netdev_stop(struct net_device *netdev) struct nes_device *nesdev = nesvnic->nesdev; u32 nic_active_mask; u32 nic_active; + struct nes_vnic *first_nesvnic = NULL; + struct list_head *list_pos, *list_temp; nes_debug(NES_DBG_SHUTDOWN, "nesvnic=%p, nesdev=%p, netdev=%p %s\n", nesvnic, nesdev, netdev, netdev->name); @@ -260,9 +274,20 @@ static int nes_netdev_stop(struct net_device *netdev) /* Disable network packets */ napi_disable(&nesvnic->napi); netif_stop_queue(netdev); - if ((nesdev->netdev[0] == netdev) & (nesvnic->logical_port == nesdev->mac_index)) { - nes_write_indexed(nesdev, - NES_IDX_MAC_INT_MASK+(0x200*nesdev->mac_index), 0xffffffff); + list_for_each_safe(list_pos, list_temp, &nesdev->nesadapter->nesvnic_list[nesdev->mac_index]) { + first_nesvnic = container_of(list_pos, struct nes_vnic, list); + if ((first_nesvnic->netdev_open == 1) && (first_nesvnic != nesvnic)) + break; + } + + if (first_nesvnic->netdev_open == 0) + nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK+(0x200*nesdev->mac_index), 0xffffffff); + else if ((first_nesvnic != nesvnic) && + (PCI_FUNC(first_nesvnic->nesdev->pcidev->devfn) != PCI_FUNC(nesvnic->nesdev->pcidev->devfn))) { + nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK + (0x200 * nesdev->mac_index), 0xffffffff); + nes_write_indexed(first_nesvnic->nesdev, NES_IDX_MAC_INT_MASK + (0x200 * first_nesvnic->nesdev->mac_index), + ~(NES_MAC_INT_LINK_STAT_CHG | NES_MAC_INT_XGMII_EXT | + NES_MAC_INT_TX_UNDERFLOW | NES_MAC_INT_TX_ERROR)); } nic_active_mask = ~((u32)(1 << nesvnic->nic_index)); @@ -859,7 +884,6 @@ void nes_netdev_set_multicast_list(struct net_device *netdev) for (mc_index=0; mc_index < NES_MULTICAST_PF_MAX; mc_index++) { while (multicast_addr && nesvnic->mcrq_mcast_filter && ((mc_nic_index = nesvnic->mcrq_mcast_filter(nesvnic, multicast_addr->dmi_addr)) == 0)) multicast_addr = multicast_addr->next; - if (mc_nic_index < 0) mc_nic_index = nesvnic->nic_index; if (multicast_addr) { @@ -1610,7 +1634,7 @@ struct net_device *nes_netdev_init(struct nes_device *nesdev, list_add_tail(&nesvnic->list, &nesdev->nesadapter->nesvnic_list[nesdev->mac_index]); if ((nesdev->netdev_count == 0) && - (PCI_FUNC(nesdev->pcidev->devfn) == nesdev->mac_index)) { + (PCI_FUNC(nesdev->pcidev->devfn) == nesdev->mac_index)) { nes_debug(NES_DBG_INIT, "Setting up PHY interrupt mask. Using register index 0x%04X\n", NES_IDX_PHY_PCS_CONTROL_STATUS0+(0x200*(nesvnic->logical_port&1))); u32temp = nes_read_indexed(nesdev, NES_IDX_PHY_PCS_CONTROL_STATUS0 + @@ -1648,18 +1672,14 @@ struct net_device *nes_netdev_init(struct nes_device *nesdev, nesvnic->linkup = 1; } } - nes_debug(NES_DBG_INIT, "Setting up MAC interrupt mask.\n"); /* clear the MAC interrupt status, assumes direct logical to physical mapping */ - u32temp = nes_read_indexed(nesdev, NES_IDX_MAC_INT_STATUS+(0x200*nesvnic->logical_port)); + u32temp = nes_read_indexed(nesdev, NES_IDX_MAC_INT_STATUS + (0x200 * nesdev->mac_index)); nes_debug(NES_DBG_INIT, "Phy interrupt status = 0x%X.\n", u32temp); - nes_write_indexed(nesdev, NES_IDX_MAC_INT_STATUS+(0x200*nesvnic->logical_port), u32temp); + nes_write_indexed(nesdev, NES_IDX_MAC_INT_STATUS + (0x200 * nesdev->mac_index), u32temp); - if (nesdev->nesadapter->phy_type[nesvnic->logical_port] != NES_PHY_TYPE_IRIS) + if (nesdev->nesadapter->phy_type[nesdev->mac_index] != NES_PHY_TYPE_IRIS) nes_init_phy(nesdev); - nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK+(0x200*nesvnic->logical_port), - ~(NES_MAC_INT_LINK_STAT_CHG | NES_MAC_INT_XGMII_EXT | - NES_MAC_INT_TX_UNDERFLOW | NES_MAC_INT_TX_ERROR)); } return netdev; -- cgit v1.2.3 From 5958f1a4da39581074bab50cabd0a582e651b90f Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Sun, 3 Feb 2008 15:06:25 -0800 Subject: kernel-doc: fix pci-acpi warning Fix PCI kernel-doc warning: Warning(linux-2.6.24-git12//drivers/pci/pci-acpi.c:166): No description found for parameter 'hid' Signed-off-by: Randy Dunlap Signed-off-by: Len Brown --- drivers/pci/pci-acpi.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index e569645d59e..2f2d308c9aa 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -158,6 +158,7 @@ run_osc_out: /** * __pci_osc_support_set - register OS support to Firmware * @flags: OS support bits + * @hid: hardware ID * * Update OS support fields and doing a _OSC Query to obtain an update * from Firmware on supported control bits. -- cgit v1.2.3 From c751670902c3dd9abbed279170a832e6a1e6cf94 Mon Sep 17 00:00:00 2001 From: Thomas Sujith Date: Fri, 15 Feb 2008 00:58:50 -0500 Subject: thermal: validate input parameters Added sanity check to make sure that thermal zone and cooling device exists. Signed-off-by: Thomas Sujith Signed-off-by: Len Brown --- drivers/thermal/thermal.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/thermal/thermal.c b/drivers/thermal/thermal.c index e782b3e7fcd..5f1d318f057 100644 --- a/drivers/thermal/thermal.c +++ b/drivers/thermal/thermal.c @@ -306,12 +306,23 @@ int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz, { struct thermal_cooling_device_instance *dev; struct thermal_cooling_device_instance *pos; + struct thermal_zone_device *pos1; + struct thermal_cooling_device *pos2; int result; if (trip >= tz->trips || (trip < 0 && trip != THERMAL_TRIPS_NONE)) return -EINVAL; - if (!tz || !cdev) + list_for_each_entry(pos1, &thermal_tz_list, node) { + if (pos1 == tz) + break; + } + list_for_each_entry(pos2, &thermal_cdev_list, node) { + if (pos2 == cdev) + break; + } + + if (tz != pos1 || cdev != pos2) return -EINVAL; dev = -- cgit v1.2.3 From 3e6fda5c1159823fc02463eceb564c8bfc0e7a0e Mon Sep 17 00:00:00 2001 From: Thomas Sujith Date: Fri, 15 Feb 2008 00:59:50 -0500 Subject: thermal: use ERR_PTR for returning error Need to return using ERR_PTR instead of NULL in case of errors. Signed-off-by: Thomas Sujith Signed-off-by: Len Brown --- drivers/thermal/thermal.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) (limited to 'drivers') diff --git a/drivers/thermal/thermal.c b/drivers/thermal/thermal.c index 5f1d318f057..8b86e53ccf7 100644 --- a/drivers/thermal/thermal.c +++ b/drivers/thermal/thermal.c @@ -448,20 +448,20 @@ struct thermal_cooling_device *thermal_cooling_device_register(char *type, int result; if (strlen(type) >= THERMAL_NAME_LENGTH) - return NULL; + return ERR_PTR(-EINVAL); if (!ops || !ops->get_max_state || !ops->get_cur_state || !ops->set_cur_state) - return NULL; + return ERR_PTR(-EINVAL); cdev = kzalloc(sizeof(struct thermal_cooling_device), GFP_KERNEL); if (!cdev) - return NULL; + return ERR_PTR(-ENOMEM); result = get_idr(&thermal_cdev_idr, &thermal_idr_lock, &cdev->id); if (result) { kfree(cdev); - return NULL; + return ERR_PTR(result); } strcpy(cdev->type, type); @@ -473,7 +473,7 @@ struct thermal_cooling_device *thermal_cooling_device_register(char *type, if (result) { release_idr(&thermal_cdev_idr, &thermal_idr_lock, cdev->id); kfree(cdev); - return NULL; + return ERR_PTR(result); } /* sys I/F */ @@ -509,7 +509,7 @@ struct thermal_cooling_device *thermal_cooling_device_register(char *type, unregister: release_idr(&thermal_cdev_idr, &thermal_idr_lock, cdev->id); device_unregister(&cdev->device); - return NULL; + return ERR_PTR(result); } EXPORT_SYMBOL(thermal_cooling_device_register); @@ -581,17 +581,17 @@ struct thermal_zone_device *thermal_zone_device_register(char *type, int count; if (strlen(type) >= THERMAL_NAME_LENGTH) - return NULL; + return ERR_PTR(-EINVAL); if (trips > THERMAL_MAX_TRIPS || trips < 0) - return NULL; + return ERR_PTR(-EINVAL); if (!ops || !ops->get_temp) - return NULL; + return ERR_PTR(-EINVAL); tz = kzalloc(sizeof(struct thermal_zone_device), GFP_KERNEL); if (!tz) - return NULL; + return ERR_PTR(-ENOMEM); INIT_LIST_HEAD(&tz->cooling_devices); idr_init(&tz->idr); @@ -599,7 +599,7 @@ struct thermal_zone_device *thermal_zone_device_register(char *type, result = get_idr(&thermal_tz_idr, &thermal_idr_lock, &tz->id); if (result) { kfree(tz); - return NULL; + return ERR_PTR(result); } strcpy(tz->type, type); @@ -612,7 +612,7 @@ struct thermal_zone_device *thermal_zone_device_register(char *type, if (result) { release_idr(&thermal_tz_idr, &thermal_idr_lock, tz->id); kfree(tz); - return NULL; + return ERR_PTR(result); } /* sys I/F */ @@ -654,7 +654,7 @@ struct thermal_zone_device *thermal_zone_device_register(char *type, unregister: release_idr(&thermal_tz_idr, &thermal_idr_lock, tz->id); device_unregister(&tz->device); - return NULL; + return ERR_PTR(result); } EXPORT_SYMBOL(thermal_zone_device_register); -- cgit v1.2.3 From 19b36780ee7ddeb5080e3f1f858a83c4824f1fdc Mon Sep 17 00:00:00 2001 From: Thomas Sujith Date: Fri, 15 Feb 2008 01:01:52 -0500 Subject: ACPI fan: extract return values using PTR_ERR Need to extract errors using PTR_ERR macro and process accordingly. thermal_cooling_device_register returning NULL means that CONFIG_THERMAL=n and in that case no need to create symbolic links. Signed-off-by: Thomas Sujith Signed-off-by: Len Brown --- drivers/acpi/fan.c | 30 ++++++++++++++++++------------ 1 file changed, 18 insertions(+), 12 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c index 48cb705b274..c8e3cba423e 100644 --- a/drivers/acpi/fan.c +++ b/drivers/acpi/fan.c @@ -256,22 +256,28 @@ static int acpi_fan_add(struct acpi_device *device) cdev = thermal_cooling_device_register("Fan", device, &fan_cooling_ops); - if (cdev) + if (IS_ERR(cdev)) { + result = PTR_ERR(cdev); + goto end; + } + if (cdev) { printk(KERN_INFO PREFIX "%s is registered as cooling_device%d\n", device->dev.bus_id, cdev->id); - else - goto end; - acpi_driver_data(device) = cdev; - result = sysfs_create_link(&device->dev.kobj, &cdev->device.kobj, - "thermal_cooling"); - if (result) - return result; - result = sysfs_create_link(&cdev->device.kobj, &device->dev.kobj, - "device"); - if (result) - return result; + acpi_driver_data(device) = cdev; + result = sysfs_create_link(&device->dev.kobj, + &cdev->device.kobj, + "thermal_cooling"); + if (result) + return result; + + result = sysfs_create_link(&cdev->device.kobj, + &device->dev.kobj, + "device"); + if (result) + return result; + } result = acpi_fan_add_fs(device); if (result) -- cgit v1.2.3 From f28bb45e2863173a7464d98907677e903f42c68b Mon Sep 17 00:00:00 2001 From: Zhao Yakui Date: Fri, 15 Feb 2008 08:34:37 +0800 Subject: ACPI: thermal: Check whether cooling device exists before unregistering OS should check whether the cooling device exists before it is unregistered. If it doesn't exists, it is unnecessary to remove the sysfs link and call the function of thermal_cooling_device_unregister. http://bugzilla.kernel.org/show_bug.cgi?id=9982 Signed-off-by: Zhao Yakui Tested-by : Dhaval Giani Signed-off-by: Len Brown --- drivers/acpi/processor_core.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index 75ccf5d18bf..697335c8423 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -809,10 +809,12 @@ static int acpi_processor_remove(struct acpi_device *device, int type) acpi_processor_remove_fs(device); - sysfs_remove_link(&device->dev.kobj, "thermal_cooling"); - sysfs_remove_link(&pr->cdev->device.kobj, "device"); - thermal_cooling_device_unregister(pr->cdev); - pr->cdev = NULL; + if (pr->cdev) { + sysfs_remove_link(&device->dev.kobj, "thermal_cooling"); + sysfs_remove_link(&pr->cdev->device.kobj, "device"); + thermal_cooling_device_unregister(pr->cdev); + pr->cdev = NULL; + } processors[pr->id] = NULL; -- cgit v1.2.3 From d76628c67cdeebf84766a19c67c821c2e518baa4 Mon Sep 17 00:00:00 2001 From: Thomas Sujith Date: Fri, 15 Feb 2008 18:26:54 -0500 Subject: ACPI thermal: extract return values using PTR_ERR Need to extract errors using PTR_ERR macro and process accordingly.thermal_cooling_device_register returning NULL means that CONFIG_THERMAL=n and in that case no need to create symbolic links. Signed-off-by: Thomas Sujith Signed-off-by: Len Brown --- drivers/acpi/processor_core.c | 37 ++++++++++++++++++++++--------------- 1 file changed, 22 insertions(+), 15 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index 75ccf5d18bf..b02006951cd 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -670,21 +670,26 @@ static int __cpuinit acpi_processor_start(struct acpi_device *device) pr->cdev = thermal_cooling_device_register("Processor", device, &processor_cooling_ops); - if (pr->cdev) + if (IS_ERR(pr->cdev)) { + result = PTR_ERR(pr->cdev); + goto end; + } + if (pr->cdev) { printk(KERN_INFO PREFIX "%s is registered as cooling_device%d\n", device->dev.bus_id, pr->cdev->id); - else - goto end; - result = sysfs_create_link(&device->dev.kobj, &pr->cdev->device.kobj, - "thermal_cooling"); - if (result) - return result; - result = sysfs_create_link(&pr->cdev->device.kobj, &device->dev.kobj, - "device"); - if (result) - return result; + result = sysfs_create_link(&device->dev.kobj, + &pr->cdev->device.kobj, + "thermal_cooling"); + if (result) + return result; + result = sysfs_create_link(&pr->cdev->device.kobj, + &device->dev.kobj, + "device"); + if (result) + return result; + } if (pr->flags.throttling) { printk(KERN_INFO PREFIX "%s [%s] (supports", @@ -809,10 +814,12 @@ static int acpi_processor_remove(struct acpi_device *device, int type) acpi_processor_remove_fs(device); - sysfs_remove_link(&device->dev.kobj, "thermal_cooling"); - sysfs_remove_link(&pr->cdev->device.kobj, "device"); - thermal_cooling_device_unregister(pr->cdev); - pr->cdev = NULL; + if (pr->cdev) { + sysfs_remove_link(&device->dev.kobj, "thermal_cooling"); + sysfs_remove_link(&pr->cdev->device.kobj, "device"); + thermal_cooling_device_unregister(pr->cdev); + pr->cdev = NULL; + } processors[pr->id] = NULL; -- cgit v1.2.3 From 43ff39f2f6450fa2e9a566f8bf007a26d76f2c9d Mon Sep 17 00:00:00 2001 From: Thomas Sujith Date: Fri, 15 Feb 2008 18:29:18 -0500 Subject: ACPI video: check for error from thermal_cooling_device_register Need to check whether thermal_cooling_device_register returned ERROR or not. Signed-off-by: Thomas Sujith Signed-off-by: Len Brown --- drivers/acpi/video.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers') diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 7f714fa2a45..12cce69b544 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -731,6 +731,9 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) device->cdev = thermal_cooling_device_register("LCD", device->dev, &video_cooling_ops); + if (IS_ERR(device->cdev)) + return; + if (device->cdev) { printk(KERN_INFO PREFIX "%s is registered as cooling_device%d\n", -- cgit v1.2.3 From 69f6b8dd6b94ac594b6920b4530a3390fb1d3fd6 Mon Sep 17 00:00:00 2001 From: Thomas Sujith Date: Fri, 15 Feb 2008 01:05:23 -0500 Subject: intel_menlo: extract return values using PTR_ERR Need to extract errors using PTR_ERR macro and process accordingly.thermal_cooling_device_register returning NULL means that CONFIG_THERMAL=n and in that case no need to create symbolic links. Signed-off-by: Thomas Sujith Signed-off-by: Len Brown --- drivers/misc/intel_menlow.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/misc/intel_menlow.c b/drivers/misc/intel_menlow.c index f70984ab1e1..de16e88eb8d 100644 --- a/drivers/misc/intel_menlow.c +++ b/drivers/misc/intel_menlow.c @@ -170,10 +170,13 @@ static int intel_menlow_memory_add(struct acpi_device *device) cdev = thermal_cooling_device_register("Memory controller", device, &memory_cooling_ops); - acpi_driver_data(device) = cdev; - if (!cdev) - result = -ENODEV; - else { + if (IS_ERR(cdev)) { + result = PTR_ERR(cdev); + goto end; + } + + if (cdev) { + acpi_driver_data(device) = cdev; result = sysfs_create_link(&device->dev.kobj, &cdev->device.kobj, "thermal_cooling"); if (result) -- cgit v1.2.3 From 2278e8119d9465b498763af7c1077b558f7599b1 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Wed, 6 Feb 2008 23:21:59 +1100 Subject: [POWERPC] net: NEWEMAC: Remove "rgmii-interface" from rgmii matching table With the removal the the "rgmii-interface" device_type property from the dts files, the newemac driver needs an update to only rely on compatible property. Signed-off-by: Stefan Roese Acked-by: Benjamin Herrenschmidt Acked-by: Jeff Garzik Signed-off-by: Josh Boyer --- drivers/net/ibm_newemac/rgmii.c | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/ibm_newemac/rgmii.c b/drivers/net/ibm_newemac/rgmii.c index 9bc1132fa78..5757788227b 100644 --- a/drivers/net/ibm_newemac/rgmii.c +++ b/drivers/net/ibm_newemac/rgmii.c @@ -302,7 +302,6 @@ static int __devexit rgmii_remove(struct of_device *ofdev) static struct of_device_id rgmii_match[] = { { - .type = "rgmii-interface", .compatible = "ibm,rgmii", }, { -- cgit v1.2.3 From cbb14842137ff78df10038da8ca8a97917a5a926 Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Sat, 16 Feb 2008 02:17:50 -0200 Subject: ACPI: thinkpad-acpi: trivial fix to module_desc typo Thanks to Damjan for noticing this one. Signed-off-by: Henrique de Moraes Holschuh Signed-off-by: Len Brown --- drivers/misc/thinkpad_acpi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c index e2c7edd206a..723d37b9e6a 100644 --- a/drivers/misc/thinkpad_acpi.c +++ b/drivers/misc/thinkpad_acpi.c @@ -5918,7 +5918,7 @@ MODULE_PARM_DESC(hotkey_report_mode, #define TPACPI_PARAM(feature) \ module_param_call(feature, set_ibm_param, NULL, NULL, 0); \ - MODULE_PARM_DESC(feature, "Simulates thinkpad-aci procfs command " \ + MODULE_PARM_DESC(feature, "Simulates thinkpad-acpi procfs command " \ "at module load, see documentation") TPACPI_PARAM(hotkey); -- cgit v1.2.3 From 1bc6b9cdd5e608f0b7e6160a823c9dcd51820410 Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Sat, 16 Feb 2008 02:17:52 -0200 Subject: ACPI: thinkpad-acpi: always track input device open/close The open() and close() hooks for the input device are useful even when hotkey NVRAM polling support is not in use, so it is better to always have them around. Signed-off-by: Henrique de Moraes Holschuh Signed-off-by: Len Brown --- drivers/misc/thinkpad_acpi.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c index 723d37b9e6a..6da3f40ac9f 100644 --- a/drivers/misc/thinkpad_acpi.c +++ b/drivers/misc/thinkpad_acpi.c @@ -1417,6 +1417,14 @@ static void hotkey_poll_setup_safe(int may_warn) mutex_unlock(&hotkey_mutex); } +#else /* CONFIG_THINKPAD_ACPI_HOTKEY_POLL */ + +static void hotkey_poll_setup_safe(int __unused) +{ +} + +#endif /* CONFIG_THINKPAD_ACPI_HOTKEY_POLL */ + static int hotkey_inputdev_open(struct input_dev *dev) { switch (tpacpi_lifecycle) { @@ -1444,7 +1452,6 @@ static void hotkey_inputdev_close(struct input_dev *dev) if (tpacpi_lifecycle == TPACPI_LIFE_RUNNING) hotkey_poll_setup_safe(0); } -#endif /* CONFIG_THINKPAD_ACPI_HOTKEY_POLL */ /* sysfs hotkey enable ------------------------------------------------- */ static ssize_t hotkey_enable_show(struct device *dev, @@ -2023,12 +2030,10 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) (hotkey_report_mode < 2) ? "enabled" : "disabled"); -#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL tpacpi_inputdev->open = &hotkey_inputdev_open; tpacpi_inputdev->close = &hotkey_inputdev_close; hotkey_poll_setup_safe(1); -#endif } return (tp_features.hotkey)? 0 : 1; @@ -2221,9 +2226,7 @@ static void hotkey_resume(void) hotkey_radio_sw_notify_change(); hotkey_wakeup_reason_notify_change(); hotkey_wakeup_hotunplug_complete_notify_change(); -#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL hotkey_poll_setup_safe(0); -#endif } /* procfs -------------------------------------------------------------- */ -- cgit v1.2.3 From 7526696a013f33d4926fdc080c26fe6af07ba30f Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Sat, 16 Feb 2008 02:17:53 -0200 Subject: ACPI: thinkpad-acpi: synchronize input device switches Issue EV_SW events at module init time to synchronize the input device with the current state of the switch, otherwise we might lose the first event. Signed-off-by: Henrique de Moraes Holschuh Signed-off-by: Len Brown --- drivers/misc/thinkpad_acpi.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c index 6da3f40ac9f..02f94651658 100644 --- a/drivers/misc/thinkpad_acpi.c +++ b/drivers/misc/thinkpad_acpi.c @@ -2034,6 +2034,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) tpacpi_inputdev->close = &hotkey_inputdev_close; hotkey_poll_setup_safe(1); + tpacpi_input_send_radiosw(); } return (tp_features.hotkey)? 0 : 1; -- cgit v1.2.3 From d7c1d17dfed996e84212fc1ce617b2586dd70ec2 Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Sat, 16 Feb 2008 02:17:54 -0200 Subject: ACPI: thinkpad-acpi: make the video output feature optional The video output port control feature is not very useful on many ThinkPads (especially when a X server is running), and lately userspace is getting better and better at it, so it makes sense to allow users to stripe out the thinkpad-acpi video feature from their kernels and save at least 2KB. Signed-off-by: Henrique de Moraes Holschuh Signed-off-by: Len Brown --- drivers/misc/Kconfig | 17 +++++++++++++++++ drivers/misc/thinkpad_acpi.c | 20 +++++++++++++------- 2 files changed, 30 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 1abc95ca9df..982e27b86d1 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -258,6 +258,23 @@ config THINKPAD_ACPI_BAY If you are not sure, say Y here. +config THINKPAD_ACPI_VIDEO + bool "Video output control support" + depends on THINKPAD_ACPI + default y + ---help--- + Allows the thinkpad_acpi driver to provide an interface to control + the various video output ports. + + This feature often won't work well, depending on ThinkPad model, + display state, video output devices in use, whether there is a X + server running, phase of the moon, and the current mood of + Schroedinger's cat. If you can use X.org's RandR to control + your ThinkPad's video output ports instead of this feature, + don't think twice: do it and say N here to save some memory. + + If you are not sure, say Y here. + config THINKPAD_ACPI_HOTKEY_POLL bool "Suport NVRAM polling for hot keys" depends on THINKPAD_ACPI diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c index 02f94651658..4ea3866ddf9 100644 --- a/drivers/misc/thinkpad_acpi.c +++ b/drivers/misc/thinkpad_acpi.c @@ -301,6 +301,13 @@ TPACPI_HANDLE(hkey, ec, "\\_SB.HKEY", /* 600e/x, 770e, 770x */ "HKEY", /* all others */ ); /* 570 */ +TPACPI_HANDLE(vid, root, "\\_SB.PCI.AGP.VGA", /* 570 */ + "\\_SB.PCI0.AGP0.VID0", /* 600e/x, 770x */ + "\\_SB.PCI0.VID0", /* 770e */ + "\\_SB.PCI0.VID", /* A21e, G4x, R50e, X30, X40 */ + "\\_SB.PCI0.AGP.VID", /* all others */ + ); /* R30, R31 */ + /************************************************************************* * ACPI helpers @@ -2680,6 +2687,8 @@ static struct ibm_struct wan_driver_data = { * Video subdriver */ +#ifdef CONFIG_THINKPAD_ACPI_VIDEO + enum video_access_mode { TPACPI_VIDEO_NONE = 0, TPACPI_VIDEO_570, /* 570 */ @@ -2707,13 +2716,6 @@ static int video_orig_autosw; static int video_autosw_get(void); static int video_autosw_set(int enable); -TPACPI_HANDLE(vid, root, "\\_SB.PCI.AGP.VGA", /* 570 */ - "\\_SB.PCI0.AGP0.VID0", /* 600e/x, 770x */ - "\\_SB.PCI0.VID0", /* 770e */ - "\\_SB.PCI0.VID", /* A21e, G4x, R50e, X30, X40 */ - "\\_SB.PCI0.AGP.VID", /* all others */ - ); /* R30, R31 */ - TPACPI_HANDLE(vid2, root, "\\_SB.PCI0.AGPB.VID"); /* G41 */ static int __init video_init(struct ibm_init_struct *iibm) @@ -3023,6 +3025,8 @@ static struct ibm_struct video_driver_data = { .exit = video_exit, }; +#endif /* CONFIG_THINKPAD_ACPI_VIDEO */ + /************************************************************************* * Light (thinklight) subdriver */ @@ -5807,10 +5811,12 @@ static struct ibm_init_struct ibms_init[] __initdata = { .init = wan_init, .data = &wan_driver_data, }, +#ifdef CONFIG_THINKPAD_ACPI_VIDEO { .init = video_init, .data = &video_driver_data, }, +#endif { .init = light_init, .data = &light_driver_data, -- cgit v1.2.3 From b3ec6f911a681f38e4630ef8bf20b3d3cb0f63c2 Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Sat, 16 Feb 2008 02:17:55 -0200 Subject: ACPI: thinkpad-acpi: issue input events for tablet swivel events Issue EV_SW SW_TABLET_MODE events for HKEY events 0x5009 and 0x500A on the X41t/X60t/X61t. As usual, we suppress the HKEY events on the netlink interface to avoid sending duplicate events to userspace. Signed-off-by: Henrique de Moraes Holschuh Signed-off-by: Len Brown --- Documentation/laptops/thinkpad-acpi.txt | 4 ++-- drivers/misc/thinkpad_acpi.c | 22 ++++++++++++++++++++-- 2 files changed, 22 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/Documentation/laptops/thinkpad-acpi.txt b/Documentation/laptops/thinkpad-acpi.txt index 33d6e5afcca..0ae5708ea0a 100644 --- a/Documentation/laptops/thinkpad-acpi.txt +++ b/Documentation/laptops/thinkpad-acpi.txt @@ -491,6 +491,8 @@ generate input device EV_KEY events. Non hot-key ACPI HKEY event map: 0x5001 Lid closed 0x5002 Lid opened +0x5009 Tablet swivel: switched to tablet mode +0x500A Tablet swivel: switched to normal mode 0x7000 Radio Switch may have changed state The above events are not propagated by the driver, except for legacy @@ -505,8 +507,6 @@ The above events are never propagated by the driver. 0x3003 Bay ejection (see 0x2x05) complete, can sleep again 0x4003 Undocked (see 0x2x04), can sleep again -0x5009 Tablet swivel: switched to tablet mode -0x500A Tablet swivel: switched to normal mode 0x500B Tablet pen insterted into its storage bay 0x500C Tablet pen removed from its storage bay 0x5010 Brightness level changed (newer Lenovo BIOSes) diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c index 4ea3866ddf9..35483502a11 100644 --- a/drivers/misc/thinkpad_acpi.c +++ b/drivers/misc/thinkpad_acpi.c @@ -1172,6 +1172,17 @@ static void tpacpi_input_send_radiosw(void) mutex_unlock(&tpacpi_inputdev_send_mutex); } +static void tpacpi_input_send_tabletsw(unsigned int state) +{ + mutex_lock(&tpacpi_inputdev_send_mutex); + + input_report_switch(tpacpi_inputdev, + SW_TABLET_MODE, !!state); + input_sync(tpacpi_inputdev); + + mutex_unlock(&tpacpi_inputdev_send_mutex); +} + static void tpacpi_input_send_key(unsigned int scancode) { unsigned int keycode; @@ -2020,6 +2031,10 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) set_bit(EV_SW, tpacpi_inputdev->evbit); set_bit(SW_RADIO, tpacpi_inputdev->swbit); } + if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) { + set_bit(EV_SW, tpacpi_inputdev->evbit); + set_bit(SW_TABLET_MODE, tpacpi_inputdev->swbit); + } dbg_printk(TPACPI_DBG_INIT, "enabling hot key handling\n"); @@ -2169,11 +2184,14 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event) /* 0x5000-0x5FFF: human interface helpers */ switch (hkey) { case 0x5010: /* Lenovo new BIOS: brightness changed */ - case 0x5009: /* X61t: swivel up (tablet mode) */ - case 0x500a: /* X61t: swivel down (normal mode) */ case 0x500b: /* X61t: tablet pen inserted into bay */ case 0x500c: /* X61t: tablet pen removed from bay */ break; + case 0x5009: /* X61t: swivel up (tablet mode) */ + case 0x500a: /* X61t: swivel down (normal mode) */ + tpacpi_input_send_tabletsw((hkey == 0x5009)); + send_acpi_ev = 0; + break; case 0x5001: case 0x5002: /* LID switch events. Do not propagate */ -- cgit v1.2.3 From d147da73c9a3f617e4685c6a7762961fe19833e7 Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Sat, 16 Feb 2008 02:17:57 -0200 Subject: ACPI: thinkpad-acpi: minor hotkey_radio_sw fixes Fixes some minor points in the radio switch code and docs. Signed-off-by: Henrique de Moraes Holschuh Signed-off-by: Len Brown --- Documentation/laptops/thinkpad-acpi.txt | 2 +- drivers/misc/thinkpad_acpi.c | 8 ++++---- 2 files changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/Documentation/laptops/thinkpad-acpi.txt b/Documentation/laptops/thinkpad-acpi.txt index 91f688c3018..606af162838 100644 --- a/Documentation/laptops/thinkpad-acpi.txt +++ b/Documentation/laptops/thinkpad-acpi.txt @@ -306,7 +306,7 @@ sysfs notes: The recommended polling frequency is 10Hz. hotkey_radio_sw: - if the ThinkPad has a hardware radio switch, this + If the ThinkPad has a hardware radio switch, this attribute will read 0 if the switch is in the "radios disabled" position, and 1 if the switch is in the "radios enabled" position. diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c index 35483502a11..c119cf23e1f 100644 --- a/drivers/misc/thinkpad_acpi.c +++ b/drivers/misc/thinkpad_acpi.c @@ -1161,15 +1161,15 @@ static void tpacpi_input_send_radiosw(void) { int wlsw; - mutex_lock(&tpacpi_inputdev_send_mutex); - if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&wlsw)) { + mutex_lock(&tpacpi_inputdev_send_mutex); + input_report_switch(tpacpi_inputdev, SW_RADIO, !!wlsw); input_sync(tpacpi_inputdev); - } - mutex_unlock(&tpacpi_inputdev_send_mutex); + mutex_unlock(&tpacpi_inputdev_send_mutex); + } } static void tpacpi_input_send_tabletsw(unsigned int state) -- cgit v1.2.3 From 6c231bd5eb07ce546517019f334652b9ecfc329a Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Sat, 16 Feb 2008 02:17:58 -0200 Subject: ACPI: thinkpad-acpi: add tablet-mode reporting A quick study of the 0x5009/0x500A HKEY event on the X61t DSDT revealed the existence of the EC HTAB register (EC 0x0f, bit 7), and a compare with the X41t DSDT shows that HKEY.MHKG can be used to verify if the ThinkPad is tablet-capable (MHKG present), and in tablet mode (bit 3 of MHKG return is set). Add an attribute to report this information, "hotkey_tablet_mode". This attribute has poll()/select() support, and can be used along with EV_SW SW_TABLET_MODE to hook userspace to tablet events. Signed-off-by: Henrique de Moraes Holschuh Signed-off-by: Len Brown --- Documentation/laptops/thinkpad-acpi.txt | 7 +++ drivers/misc/thinkpad_acpi.c | 79 ++++++++++++++++++++++++++++----- 2 files changed, 75 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/Documentation/laptops/thinkpad-acpi.txt b/Documentation/laptops/thinkpad-acpi.txt index 606af162838..76cb428435d 100644 --- a/Documentation/laptops/thinkpad-acpi.txt +++ b/Documentation/laptops/thinkpad-acpi.txt @@ -313,6 +313,13 @@ sysfs notes: This attribute has poll()/select() support. + hotkey_tablet_mode: + If the ThinkPad has tablet capabilities, this attribute + will read 0 if the ThinkPad is in normal mode, and + 1 if the ThinkPad is in tablet mode. + + This attribute has poll()/select() support. + hotkey_report_mode: Returns the state of the procfs ACPI event report mode filter for hot keys. If it is set to 1 (the default), diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c index c119cf23e1f..bb269d0c677 100644 --- a/drivers/misc/thinkpad_acpi.c +++ b/drivers/misc/thinkpad_acpi.c @@ -221,6 +221,7 @@ static struct { u32 hotkey:1; u32 hotkey_mask:1; u32 hotkey_wlsw:1; + u32 hotkey_tablet:1; u32 light:1; u32 light_status:1; u32 bright_16levels:1; @@ -1060,6 +1061,9 @@ static struct attribute_set *hotkey_dev_attributes; #define HOTKEY_CONFIG_CRITICAL_END #endif /* CONFIG_THINKPAD_ACPI_HOTKEY_POLL */ +/* HKEY.MHKG() return bits */ +#define TP_HOTKEY_TABLET_MASK (1 << 3) + static int hotkey_get_wlsw(int *status) { if (!acpi_evalf(hkey_handle, status, "WLSW", "d")) @@ -1067,6 +1071,16 @@ static int hotkey_get_wlsw(int *status) return 0; } +static int hotkey_get_tablet_mode(int *status) +{ + int s; + + if (!acpi_evalf(hkey_handle, &s, "MHKG", "d")) + return -EIO; + + return ((s & TP_HOTKEY_TABLET_MASK) != 0); +} + /* * Call with hotkey_mutex held */ @@ -1172,15 +1186,20 @@ static void tpacpi_input_send_radiosw(void) } } -static void tpacpi_input_send_tabletsw(unsigned int state) +static void tpacpi_input_send_tabletsw(void) { - mutex_lock(&tpacpi_inputdev_send_mutex); + int state; - input_report_switch(tpacpi_inputdev, - SW_TABLET_MODE, !!state); - input_sync(tpacpi_inputdev); + if (tp_features.hotkey_tablet && + !hotkey_get_tablet_mode(&state)) { + mutex_lock(&tpacpi_inputdev_send_mutex); - mutex_unlock(&tpacpi_inputdev_send_mutex); + input_report_switch(tpacpi_inputdev, + SW_TABLET_MODE, !!state); + input_sync(tpacpi_inputdev); + + mutex_unlock(&tpacpi_inputdev_send_mutex); + } } static void tpacpi_input_send_key(unsigned int scancode) @@ -1691,6 +1710,29 @@ static void hotkey_radio_sw_notify_change(void) "hotkey_radio_sw"); } +/* sysfs hotkey tablet mode (pollable) --------------------------------- */ +static ssize_t hotkey_tablet_mode_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + int res, s; + res = hotkey_get_tablet_mode(&s); + if (res < 0) + return res; + + return snprintf(buf, PAGE_SIZE, "%d\n", !!s); +} + +static struct device_attribute dev_attr_hotkey_tablet_mode = + __ATTR(hotkey_tablet_mode, S_IRUGO, hotkey_tablet_mode_show, NULL); + +static void hotkey_tablet_mode_notify_change(void) +{ + if (tp_features.hotkey_tablet) + sysfs_notify(&tpacpi_pdev->dev.kobj, NULL, + "hotkey_tablet_mode"); +} + /* sysfs hotkey report_mode -------------------------------------------- */ static ssize_t hotkey_report_mode_show(struct device *dev, struct device_attribute *attr, @@ -1903,7 +1945,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) str_supported(tp_features.hotkey)); if (tp_features.hotkey) { - hotkey_dev_attributes = create_attr_set(12, NULL); + hotkey_dev_attributes = create_attr_set(13, NULL); if (!hotkey_dev_attributes) return -ENOMEM; res = add_many_to_attr_set(hotkey_dev_attributes, @@ -1982,6 +2024,18 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) &dev_attr_hotkey_radio_sw.attr); } + /* For X41t, X60t, X61t Tablets... */ + if (!res && acpi_evalf(hkey_handle, &status, "MHKG", "qd")) { + tp_features.hotkey_tablet = 1; + printk(TPACPI_INFO + "possible tablet mode switch found; " + "ThinkPad in %s mode\n", + (status & TP_HOTKEY_TABLET_MASK)? + "tablet" : "laptop"); + res = add_to_attr_set(hotkey_dev_attributes, + &dev_attr_hotkey_tablet_mode.attr); + } + if (!res) res = register_attr_set_with_sysfs( hotkey_dev_attributes, @@ -2031,7 +2085,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) set_bit(EV_SW, tpacpi_inputdev->evbit); set_bit(SW_RADIO, tpacpi_inputdev->swbit); } - if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) { + if (tp_features.hotkey_tablet) { set_bit(EV_SW, tpacpi_inputdev->evbit); set_bit(SW_TABLET_MODE, tpacpi_inputdev->swbit); } @@ -2057,6 +2111,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) hotkey_poll_setup_safe(1); tpacpi_input_send_radiosw(); + tpacpi_input_send_tabletsw(); } return (tp_features.hotkey)? 0 : 1; @@ -2187,9 +2242,10 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event) case 0x500b: /* X61t: tablet pen inserted into bay */ case 0x500c: /* X61t: tablet pen removed from bay */ break; - case 0x5009: /* X61t: swivel up (tablet mode) */ - case 0x500a: /* X61t: swivel down (normal mode) */ - tpacpi_input_send_tabletsw((hkey == 0x5009)); + case 0x5009: /* X41t-X61t: swivel up (tablet mode) */ + case 0x500a: /* X41t-X61t: swivel down (normal mode) */ + tpacpi_input_send_tabletsw(); + hotkey_tablet_mode_notify_change(); send_acpi_ev = 0; break; case 0x5001: @@ -2250,6 +2306,7 @@ static void hotkey_resume(void) "from firmware\n"); tpacpi_input_send_radiosw(); hotkey_radio_sw_notify_change(); + hotkey_tablet_mode_notify_change(); hotkey_wakeup_reason_notify_change(); hotkey_wakeup_hotunplug_complete_notify_change(); hotkey_poll_setup_safe(0); -- cgit v1.2.3 From 4fd7f5188c377c1e9aa8f224f6edf96d170a7d32 Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Fri, 15 Feb 2008 17:07:19 -0800 Subject: ACPI: sparse fix, replace macro with static function replace acpi_util_eval_error macro with static function. Avoid these sparse warnings due to using buffer within the macro. drivers/acpi/utils.c:273:3: warning: symbol 'buffer' shadows an earlier one drivers/acpi/utils.c:259:21: originally declared here drivers/acpi/utils.c:279:3: warning: symbol 'buffer' shadows an earlier one drivers/acpi/utils.c:259:21: originally declared here drivers/acpi/utils.c:368:3: warning: symbol 'buffer' shadows an earlier one drivers/acpi/utils.c:348:21: originally declared here drivers/acpi/utils.c:375:3: warning: symbol 'buffer' shadows an earlier one drivers/acpi/utils.c:348:21: originally declared here drivers/acpi/utils.c:382:3: warning: symbol 'buffer' shadows an earlier one drivers/acpi/utils.c:348:21: originally declared here drivers/acpi/utils.c:402:4: warning: symbol 'buffer' shadows an earlier one drivers/acpi/utils.c:348:21: originally declared here Signed-off-by: Harvey Harrison Signed-off-by: Len Brown --- drivers/acpi/utils.c | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index 34f15757108..eba55b7d6c9 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -36,16 +36,20 @@ ACPI_MODULE_NAME("utils"); /* -------------------------------------------------------------------------- Object Evaluation Helpers -------------------------------------------------------------------------- */ +static void +acpi_util_eval_error(acpi_handle h, acpi_string p, acpi_status s) +{ #ifdef ACPI_DEBUG_OUTPUT -#define acpi_util_eval_error(h,p,s) {\ - char prefix[80] = {'\0'};\ - struct acpi_buffer buffer = {sizeof(prefix), prefix};\ - acpi_get_name(h, ACPI_FULL_PATHNAME, &buffer);\ - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Evaluate [%s.%s]: %s\n",\ - (char *) prefix, p, acpi_format_exception(s))); } + char prefix[80] = {'\0'}; + struct acpi_buffer buffer = {sizeof(prefix), prefix}; + acpi_get_name(h, ACPI_FULL_PATHNAME, &buffer); + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Evaluate [%s.%s]: %s\n", + (char *) prefix, p, acpi_format_exception(s))); #else -#define acpi_util_eval_error(h,p,s) + return; #endif +} + acpi_status acpi_extract_package(union acpi_object *package, struct acpi_buffer *format, struct acpi_buffer *buffer) -- cgit v1.2.3 From 262ee35be6a3aae9b4a7aafafc2dba901fc36620 Mon Sep 17 00:00:00 2001 From: Carlos Corbacho Date: Sat, 16 Feb 2008 00:02:56 +0000 Subject: acer-wmi: Add DMI match for mail LED on Acer TravelMate 4200 series The TM4200 series use the same method as the TM2490 series to control the mail LED, so add a DMI based quirk for these laptops. Signed-off-by: Carlos Corbacho Signed-off-by: Len Brown --- drivers/misc/acer-wmi.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers') diff --git a/drivers/misc/acer-wmi.c b/drivers/misc/acer-wmi.c index d7aea93081f..74d12b4a3ab 100644 --- a/drivers/misc/acer-wmi.c +++ b/drivers/misc/acer-wmi.c @@ -271,6 +271,15 @@ static struct dmi_system_id acer_quirks[] = { }, .driver_data = &quirk_acer_travelmate_2490, }, + { + .callback = dmi_matched, + .ident = "Acer TravelMate 4200", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4200"), + }, + .driver_data = &quirk_acer_travelmate_2490, + }, { .callback = dmi_matched, .ident = "Medion MD 98300", -- cgit v1.2.3 From e85ff4b53eb4252d967922bd75cb6d10863955f3 Mon Sep 17 00:00:00 2001 From: Glauber Costa Date: Sat, 16 Feb 2008 01:01:13 -0500 Subject: ACPI: remove is_processor_present prototype The function itself is defined just below, so this prototype is not really useful. Signed-off-by: Glauber Costa Signed-off-by: Andrew Morton Signed-off-by: Len Brown --- drivers/acpi/processor_core.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index 75ccf5d18bf..923fddb2caa 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -826,8 +826,6 @@ static int acpi_processor_remove(struct acpi_device *device, int type) * Acpi processor hotplug support * ****************************************************************************/ -static int is_processor_present(acpi_handle handle); - static int is_processor_present(acpi_handle handle) { acpi_status status; -- cgit v1.2.3 From 05cca7381429e12d66c5b5c8b5c5848055b88bf7 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sat, 26 Jan 2008 17:42:45 +0100 Subject: firewire: fw-sbp2: unsigned int vs. unsigned Standardize on "unsigned int" style. Sort some struct members thematically. Signed-off-by: Stefan Richter --- drivers/firewire/fw-sbp2.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index 19ece9b6d74..f2a9a33b47a 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c @@ -141,15 +141,13 @@ struct sbp2_logical_unit { struct sbp2_target { struct kref kref; struct fw_unit *unit; + struct list_head lu_list; u64 management_agent_address; int directory_id; int node_id; int address_high; - - unsigned workarounds; - struct list_head lu_list; - + unsigned int workarounds; unsigned int mgt_orb_timeout; }; @@ -160,7 +158,7 @@ struct sbp2_target { */ #define SBP2_MIN_LOGIN_ORB_TIMEOUT 5000U /* Timeout in ms */ #define SBP2_MAX_LOGIN_ORB_TIMEOUT 40000U /* Timeout in ms */ -#define SBP2_ORB_TIMEOUT 2000 /* Timeout in ms */ +#define SBP2_ORB_TIMEOUT 2000U /* Timeout in ms */ #define SBP2_ORB_NULL 0x80000000 #define SBP2_MAX_SG_ELEMENT_LENGTH 0xf000 @@ -297,7 +295,7 @@ struct sbp2_command_orb { static const struct { u32 firmware_revision; u32 model; - unsigned workarounds; + unsigned int workarounds; } sbp2_workarounds_table[] = { /* DViCO Momobay CX-1 with TSB42AA9 bridge */ { .firmware_revision = 0x002800, @@ -836,7 +834,7 @@ static void sbp2_init_workarounds(struct sbp2_target *tgt, u32 model, u32 firmware_revision) { int i; - unsigned w = sbp2_param_workarounds; + unsigned int w = sbp2_param_workarounds; if (w) fw_notify("Please notify linux1394-devel@lists.sourceforge.net " @@ -1197,7 +1195,7 @@ static int sbp2_scsi_queuecommand(struct scsi_cmnd *cmd, scsi_done_fn_t done) struct sbp2_logical_unit *lu = cmd->device->hostdata; struct fw_device *device = fw_device(lu->tgt->unit->device.parent); struct sbp2_command_orb *orb; - unsigned max_payload; + unsigned int max_payload; int retval = SCSI_MLQUEUE_HOST_BUSY; /* -- cgit v1.2.3 From 1b9c12ba2fdf802a23630f70eddb0e821296634e Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sat, 26 Jan 2008 17:43:23 +0100 Subject: firewire: fw-sbp2: fix logout before login retry This fixes a "can't recognize device" kind of bug. If the SCSI INQUIRY failed and hence __scsi_add_device failed due to a bus reset, we tried a logout and then waited for the already scheduled login work to happen. So far so good, but the generation used for the logout was outdated, hence the logout never reached the target. The target might therefore deny the subsequent relogin attempt, which would also leave the target inaccessible. Therefore fetch a fresh device->generation for the logout. Use memory barriers to prevent our plan being foiled by compiler or hardware optimizations. Signed-off-by: Stefan Richter --- drivers/firewire/fw-sbp2.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index f2a9a33b47a..a15e3c7d21d 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c @@ -716,7 +716,11 @@ static void sbp2_login(struct work_struct *work) sdev = __scsi_add_device(shost, 0, 0, scsilun_to_int(&eight_bytes_lun), lu); if (IS_ERR(sdev)) { - sbp2_send_management_orb(lu, node_id, generation, + smp_rmb(); /* generation may have changed */ + generation = device->generation; + smp_rmb(); /* node_id must not be older than generation */ + + sbp2_send_management_orb(lu, device->node_id, generation, SBP2_LOGOUT_REQUEST, lu->login_id, NULL); /* * Set this back to sbp2_login so we fall back and -- cgit v1.2.3 From 96b19062e741b715cf399312c30e0672d8889569 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sat, 2 Feb 2008 15:01:09 +0100 Subject: firewire: fix "kobject_add failed for fw* with -EEXIST" There is a race between shutdown and creation of devices: fw-core may attempt to add a device with the same name of an already existing device. http://bugzilla.kernel.org/show_bug.cgi?id=9828 Impact of the bug: Happens rarely (when shutdown of a device coincides with creation of another), forces the user to unplug and replug the new device to get it working. The fix is obvious: Free the minor number *after* instead of *before* device_unregister(). This requires to take an additional reference of the fw_device as long as the IDR tree points to it. And while we are at it, we fix an additional race condition: fw_device_op_open() took its reference of the fw_device a little bit too late, hence was in danger to access an already invalid fw_device. Signed-off-by: Stefan Richter --- drivers/firewire/fw-cdev.c | 8 +++++--- drivers/firewire/fw-device.c | 20 ++++++++++++++------ drivers/firewire/fw-device.h | 2 +- 3 files changed, 20 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/firewire/fw-cdev.c b/drivers/firewire/fw-cdev.c index 7e73cbaa412..44ccee26c36 100644 --- a/drivers/firewire/fw-cdev.c +++ b/drivers/firewire/fw-cdev.c @@ -109,15 +109,17 @@ static int fw_device_op_open(struct inode *inode, struct file *file) struct client *client; unsigned long flags; - device = fw_device_from_devt(inode->i_rdev); + device = fw_device_get_by_devt(inode->i_rdev); if (device == NULL) return -ENODEV; client = kzalloc(sizeof(*client), GFP_KERNEL); - if (client == NULL) + if (client == NULL) { + fw_device_put(device); return -ENOMEM; + } - client->device = fw_device_get(device); + client->device = device; INIT_LIST_HEAD(&client->event_list); INIT_LIST_HEAD(&client->resource_list); spin_lock_init(&client->lock); diff --git a/drivers/firewire/fw-device.c b/drivers/firewire/fw-device.c index de9066e69ad..c04c28800f1 100644 --- a/drivers/firewire/fw-device.c +++ b/drivers/firewire/fw-device.c @@ -610,12 +610,14 @@ static DECLARE_RWSEM(idr_rwsem); static DEFINE_IDR(fw_device_idr); int fw_cdev_major; -struct fw_device *fw_device_from_devt(dev_t devt) +struct fw_device *fw_device_get_by_devt(dev_t devt) { struct fw_device *device; down_read(&idr_rwsem); device = idr_find(&fw_device_idr, MINOR(devt)); + if (device) + fw_device_get(device); up_read(&idr_rwsem); return device; @@ -627,13 +629,14 @@ static void fw_device_shutdown(struct work_struct *work) container_of(work, struct fw_device, work.work); int minor = MINOR(device->device.devt); - down_write(&idr_rwsem); - idr_remove(&fw_device_idr, minor); - up_write(&idr_rwsem); - fw_device_cdev_remove(device); device_for_each_child(&device->device, NULL, shutdown_unit); device_unregister(&device->device); + + down_write(&idr_rwsem); + idr_remove(&fw_device_idr, minor); + up_write(&idr_rwsem); + fw_device_put(device); } static struct device_type fw_device_type = { @@ -682,10 +685,13 @@ static void fw_device_init(struct work_struct *work) } err = -ENOMEM; + + fw_device_get(device); down_write(&idr_rwsem); if (idr_pre_get(&fw_device_idr, GFP_KERNEL)) err = idr_get_new(&fw_device_idr, device, &minor); up_write(&idr_rwsem); + if (err < 0) goto error; @@ -741,7 +747,9 @@ static void fw_device_init(struct work_struct *work) idr_remove(&fw_device_idr, minor); up_write(&idr_rwsem); error: - put_device(&device->device); + fw_device_put(device); /* fw_device_idr's reference */ + + put_device(&device->device); /* our reference */ } static int update_unit(struct device *dev, void *data) diff --git a/drivers/firewire/fw-device.h b/drivers/firewire/fw-device.h index 0854fe2bc11..43808c02793 100644 --- a/drivers/firewire/fw-device.h +++ b/drivers/firewire/fw-device.h @@ -77,13 +77,13 @@ fw_device_is_shutdown(struct fw_device *device) } struct fw_device *fw_device_get(struct fw_device *device); +struct fw_device *fw_device_get_by_devt(dev_t devt); void fw_device_put(struct fw_device *device); int fw_device_enable_phys_dma(struct fw_device *device); void fw_device_cdev_update(struct fw_device *device); void fw_device_cdev_remove(struct fw_device *device); -struct fw_device *fw_device_from_devt(dev_t devt); extern int fw_cdev_major; struct fw_unit { -- cgit v1.2.3 From be6f48b0174584c9c415012ca14803c7e941e27e Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sun, 27 Jan 2008 19:14:44 +0100 Subject: firewire: fw-sbp2: don't retry login or reconnect after unplug If a device is being unplugged while fw-sbp2 had a login or reconnect on schedule, it would take about half a minute to shut the fw_unit down: Jan 27 18:34:54 stein firewire_sbp2: logged in to fw2.0 LUN 0000 (0 retries) Jan 27 18:34:59 stein firewire_sbp2: sbp2_scsi_abort Jan 27 18:34:59 stein scsi 25:0:0:0: Device offlined - not ready after error recovery Jan 27 18:35:01 stein firewire_sbp2: orb reply timed out, rcode=0x11 Jan 27 18:35:06 stein firewire_sbp2: orb reply timed out, rcode=0x11 Jan 27 18:35:12 stein firewire_sbp2: orb reply timed out, rcode=0x11 Jan 27 18:35:17 stein firewire_sbp2: orb reply timed out, rcode=0x11 Jan 27 18:35:22 stein firewire_sbp2: orb reply timed out, rcode=0x11 Jan 27 18:35:27 stein firewire_sbp2: orb reply timed out, rcode=0x11 Jan 27 18:35:32 stein firewire_sbp2: orb reply timed out, rcode=0x11 Jan 27 18:35:32 stein firewire_sbp2: failed to login to fw2.0 LUN 0000 Jan 27 18:35:32 stein firewire_sbp2: released fw2.0 After this patch, typically only a few seconds spent in __scsi_add_device remain: Jan 27 19:05:50 stein firewire_sbp2: logged in to fw2.0 LUN 0000 (0 retries) Jan 27 19:05:56 stein firewire_sbp2: sbp2_scsi_abort Jan 27 19:05:56 stein scsi 33:0:0:0: Device offlined - not ready after error recovery Jan 27 19:05:56 stein firewire_sbp2: released fw2.0 The benefit of this is less noise in the syslog. It furthermore avoids a few wasted CPU cycles and needlessly prolonged lifetime of a few driver objects. Signed-off-by: Stefan Richter Signed-off-by: Jarod Wilson --- drivers/firewire/fw-sbp2.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index a15e3c7d21d..72fddf5a12a 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c @@ -499,6 +499,9 @@ sbp2_send_management_orb(struct sbp2_logical_unit *lu, int node_id, unsigned int timeout; int retval = -ENOMEM; + if (function == SBP2_LOGOUT_REQUEST && fw_device_is_shutdown(device)) + return 0; + orb = kzalloc(sizeof(*orb), GFP_ATOMIC); if (orb == NULL) return -ENOMEM; @@ -619,16 +622,13 @@ static void sbp2_release_target(struct kref *kref) struct sbp2_logical_unit *lu, *next; struct Scsi_Host *shost = container_of((void *)tgt, struct Scsi_Host, hostdata[0]); - struct fw_device *device = fw_device(tgt->unit->device.parent); list_for_each_entry_safe(lu, next, &tgt->lu_list, link) { if (lu->sdev) scsi_remove_device(lu->sdev); - if (!fw_device_is_shutdown(device)) - sbp2_send_management_orb(lu, tgt->node_id, - lu->generation, SBP2_LOGOUT_REQUEST, - lu->login_id, NULL); + sbp2_send_management_orb(lu, tgt->node_id, lu->generation, + SBP2_LOGOUT_REQUEST, lu->login_id, NULL); fw_core_remove_address_handler(&lu->address_handler); list_del(&lu->link); @@ -673,6 +673,9 @@ static void sbp2_login(struct work_struct *work) struct sbp2_login_response response; int generation, node_id, local_node_id; + if (fw_device_is_shutdown(device)) + goto out; + generation = device->generation; smp_rmb(); /* node_id must not be older than generation */ node_id = device->node_id; @@ -944,6 +947,9 @@ static void sbp2_reconnect(struct work_struct *work) struct fw_device *device = fw_device(unit->device.parent); int generation, node_id, local_node_id; + if (fw_device_is_shutdown(device)) + goto out; + generation = device->generation; smp_rmb(); /* node_id must not be older than generation */ node_id = device->node_id; -- cgit v1.2.3 From fa6e697b85d705d37b3b03829095c22bcbe95ab6 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sun, 3 Feb 2008 23:03:00 +0100 Subject: firewire: log GUID of new devices This should help to interpret user reports. E.g. one can look up the vendor OUI (first three bytes of the GUID) and thus tell what is what. Also simplifies the math in the GUID sysfs attribute. Signed-off-by: Stefan Richter Signed-off-by: Jarod Wilson --- drivers/firewire/fw-device.c | 28 +++++++++++++++++----------- 1 file changed, 17 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/firewire/fw-device.c b/drivers/firewire/fw-device.c index c04c28800f1..2ab13e0f346 100644 --- a/drivers/firewire/fw-device.c +++ b/drivers/firewire/fw-device.c @@ -358,12 +358,9 @@ static ssize_t guid_show(struct device *dev, struct device_attribute *attr, char *buf) { struct fw_device *device = fw_device(dev); - u64 guid; - guid = ((u64)device->config_rom[3] << 32) | device->config_rom[4]; - - return snprintf(buf, PAGE_SIZE, "0x%016llx\n", - (unsigned long long)guid); + return snprintf(buf, PAGE_SIZE, "0x%08x%08x\n", + device->config_rom[3], device->config_rom[4]); } static struct device_attribute fw_device_attributes[] = { @@ -723,13 +720,22 @@ static void fw_device_init(struct work_struct *work) */ if (atomic_cmpxchg(&device->state, FW_DEVICE_INITIALIZING, - FW_DEVICE_RUNNING) == FW_DEVICE_SHUTDOWN) + FW_DEVICE_RUNNING) == FW_DEVICE_SHUTDOWN) { fw_device_shutdown(&device->work.work); - else - fw_notify("created new fw device %s " - "(%d config rom retries, S%d00)\n", - device->device.bus_id, device->config_rom_retries, - 1 << device->max_speed); + } else { + if (device->config_rom_retries) + fw_notify("created device %s: GUID %08x%08x, S%d00, " + "%d config ROM retries\n", + device->device.bus_id, + device->config_rom[3], device->config_rom[4], + 1 << device->max_speed, + device->config_rom_retries); + else + fw_notify("created device %s: GUID %08x%08x, S%d00\n", + device->device.bus_id, + device->config_rom[3], device->config_rom[4], + 1 << device->max_speed); + } /* * Reschedule the IRM work if we just finished reading the -- cgit v1.2.3 From 9220f1946209a5b3335ea2d28f8462695885791b Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sun, 3 Feb 2008 23:04:38 +0100 Subject: firewire: fw-sbp2: add INQUIRY delay workaround Several different SBP-2 bridges accept a login early while the IDE device is still powering up. They are therefore unable to respond to SCSI INQUIRY immediately, and the SCSI core has to retry the INQUIRY. One of these retries is typically successful, and all is well. But in case of Momobay FX-3A, the INQUIRY retries tend to fail entirely. This can usually be avoided by waiting a little while after login before letting the SCSI core send the INQUIRY. The old sbp2 driver handles this more gracefully for as yet unknown reasons (perhaps because it waits for fetch agent resets to complete, unlike fw-sbp2 which quickly proceeds after requesting the agent reset). Therefore the workaround is not as much necessary for sbp2. Signed-off-by: Stefan Richter Signed-off-by: Jarod Wilson --- drivers/firewire/fw-sbp2.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'drivers') diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index 72fddf5a12a..4a118fbc7b2 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c @@ -32,6 +32,7 @@ #include #include #include +#include #include #include #include @@ -82,6 +83,9 @@ MODULE_PARM_DESC(exclusive_login, "Exclusive login to sbp2 device " * Avoids access beyond actual disk limits on devices with an off-by-one bug. * Don't use this with devices which don't have this bug. * + * - delay inquiry + * Wait extra SBP2_INQUIRY_DELAY seconds after login before SCSI inquiry. + * * - override internal blacklist * Instead of adding to the built-in blacklist, use only the workarounds * specified in the module load parameter. @@ -91,6 +95,8 @@ MODULE_PARM_DESC(exclusive_login, "Exclusive login to sbp2 device " #define SBP2_WORKAROUND_INQUIRY_36 0x2 #define SBP2_WORKAROUND_MODE_SENSE_8 0x4 #define SBP2_WORKAROUND_FIX_CAPACITY 0x8 +#define SBP2_WORKAROUND_DELAY_INQUIRY 0x10 +#define SBP2_INQUIRY_DELAY 12 #define SBP2_WORKAROUND_OVERRIDE 0x100 static int sbp2_param_workarounds; @@ -100,6 +106,7 @@ MODULE_PARM_DESC(workarounds, "Work around device bugs (default = 0" ", 36 byte inquiry = " __stringify(SBP2_WORKAROUND_INQUIRY_36) ", skip mode page 8 = " __stringify(SBP2_WORKAROUND_MODE_SENSE_8) ", fix capacity = " __stringify(SBP2_WORKAROUND_FIX_CAPACITY) + ", delay inquiry = " __stringify(SBP2_WORKAROUND_DELAY_INQUIRY) ", override internal blacklist = " __stringify(SBP2_WORKAROUND_OVERRIDE) ", or a combination)"); @@ -303,6 +310,11 @@ static const struct { .workarounds = SBP2_WORKAROUND_INQUIRY_36 | SBP2_WORKAROUND_MODE_SENSE_8, }, + /* DViCO Momobay FX-3A with TSB42AA9A bridge */ { + .firmware_revision = 0x002800, + .model = 0x000000, + .workarounds = SBP2_WORKAROUND_DELAY_INQUIRY, + }, /* Initio bridges, actually only needed for some older ones */ { .firmware_revision = 0x000200, .model = ~0, @@ -712,6 +724,9 @@ static void sbp2_login(struct work_struct *work) PREPARE_DELAYED_WORK(&lu->work, sbp2_reconnect); sbp2_agent_reset(lu); + if (lu->tgt->workarounds & SBP2_WORKAROUND_DELAY_INQUIRY) + ssleep(SBP2_INQUIRY_DELAY); + memset(&eight_bytes_lun, 0, sizeof(eight_bytes_lun)); eight_bytes_lun.scsi_lun[0] = (lu->lun >> 8) & 0xff; eight_bytes_lun.scsi_lun[1] = lu->lun & 0xff; -- cgit v1.2.3 From d94a983526cb868658c958ab689410dc1c6a31f3 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sun, 3 Feb 2008 23:07:44 +0100 Subject: ieee1394: sbp2: add INQUIRY delay workaround Add the same workaround as found in fw-sbp2 for feature parity and compatibility of the workarounds module parameter. Signed-off-by: Stefan Richter Signed-off-by: Jarod Wilson --- drivers/ieee1394/sbp2.c | 12 ++++++++++++ drivers/ieee1394/sbp2.h | 2 ++ 2 files changed, 14 insertions(+) (limited to 'drivers') diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 28e155a9e2a..accb2ad8b56 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -183,6 +183,9 @@ MODULE_PARM_DESC(exclusive_login, "Exclusive login to sbp2 device " * Avoids access beyond actual disk limits on devices with an off-by-one bug. * Don't use this with devices which don't have this bug. * + * - delay inquiry + * Wait extra SBP2_INQUIRY_DELAY seconds after login before SCSI inquiry. + * * - override internal blacklist * Instead of adding to the built-in blacklist, use only the workarounds * specified in the module load parameter. @@ -195,6 +198,7 @@ MODULE_PARM_DESC(workarounds, "Work around device bugs (default = 0" ", 36 byte inquiry = " __stringify(SBP2_WORKAROUND_INQUIRY_36) ", skip mode page 8 = " __stringify(SBP2_WORKAROUND_MODE_SENSE_8) ", fix capacity = " __stringify(SBP2_WORKAROUND_FIX_CAPACITY) + ", delay inquiry = " __stringify(SBP2_WORKAROUND_DELAY_INQUIRY) ", override internal blacklist = " __stringify(SBP2_WORKAROUND_OVERRIDE) ", or a combination)"); @@ -357,6 +361,11 @@ static const struct { .workarounds = SBP2_WORKAROUND_INQUIRY_36 | SBP2_WORKAROUND_MODE_SENSE_8, }, + /* DViCO Momobay FX-3A with TSB42AA9A bridge */ { + .firmware_revision = 0x002800, + .model_id = 0x000000, + .workarounds = SBP2_WORKAROUND_DELAY_INQUIRY, + }, /* Initio bridges, actually only needed for some older ones */ { .firmware_revision = 0x000200, .model_id = SBP2_ROM_VALUE_WILDCARD, @@ -914,6 +923,9 @@ static int sbp2_start_device(struct sbp2_lu *lu) sbp2_agent_reset(lu, 1); sbp2_max_speed_and_size(lu); + if (lu->workarounds & SBP2_WORKAROUND_DELAY_INQUIRY) + ssleep(SBP2_INQUIRY_DELAY); + error = scsi_add_device(lu->shost, 0, lu->ud->id, 0); if (error) { SBP2_ERR("scsi_add_device failed"); diff --git a/drivers/ieee1394/sbp2.h b/drivers/ieee1394/sbp2.h index d2ecb0d8a1b..80d8e097b06 100644 --- a/drivers/ieee1394/sbp2.h +++ b/drivers/ieee1394/sbp2.h @@ -343,6 +343,8 @@ enum sbp2lu_state_types { #define SBP2_WORKAROUND_INQUIRY_36 0x2 #define SBP2_WORKAROUND_MODE_SENSE_8 0x4 #define SBP2_WORKAROUND_FIX_CAPACITY 0x8 +#define SBP2_WORKAROUND_DELAY_INQUIRY 0x10 +#define SBP2_INQUIRY_DELAY 12 #define SBP2_WORKAROUND_OVERRIDE 0x100 #endif /* SBP2_H */ -- cgit v1.2.3 From e0e60215552d4d40caf581a8d3247203fe948fe7 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sun, 3 Feb 2008 23:08:58 +0100 Subject: firewire: fw-sbp2: wait for completion of fetch agent reset Like the old sbp2 driver, wait for the write transaction to the AGENT_RESET to complete before proceeding (after login, after reconnect, or in SCSI error handling). There is one occasion where AGENT_RESET is written to from atomic context when getting DEAD status for a command ORB. There we still continue without waiting for the transaction to complete because this is more difficult to fix... Signed-off-by: Stefan Richter --- drivers/firewire/fw-sbp2.c | 39 ++++++++++++++++++++++++++++----------- 1 file changed, 28 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index 4a118fbc7b2..32b50f13e7a 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c @@ -603,29 +603,46 @@ sbp2_send_management_orb(struct sbp2_logical_unit *lu, int node_id, static void complete_agent_reset_write(struct fw_card *card, int rcode, - void *payload, size_t length, void *data) + void *payload, size_t length, void *done) { - struct fw_transaction *t = data; + complete(done); +} + +static void sbp2_agent_reset(struct sbp2_logical_unit *lu) +{ + struct fw_device *device = fw_device(lu->tgt->unit->device.parent); + DECLARE_COMPLETION_ONSTACK(done); + struct fw_transaction t; + static u32 z; - kfree(t); + fw_send_request(device->card, &t, TCODE_WRITE_QUADLET_REQUEST, + lu->tgt->node_id, lu->generation, device->max_speed, + lu->command_block_agent_address + SBP2_AGENT_RESET, + &z, sizeof(z), complete_agent_reset_write, &done); + wait_for_completion(&done); } -static int sbp2_agent_reset(struct sbp2_logical_unit *lu) +static void +complete_agent_reset_write_no_wait(struct fw_card *card, int rcode, + void *payload, size_t length, void *data) +{ + kfree(data); +} + +static void sbp2_agent_reset_no_wait(struct sbp2_logical_unit *lu) { struct fw_device *device = fw_device(lu->tgt->unit->device.parent); struct fw_transaction *t; - static u32 zero; + static u32 z; - t = kzalloc(sizeof(*t), GFP_ATOMIC); + t = kmalloc(sizeof(*t), GFP_ATOMIC); if (t == NULL) - return -ENOMEM; + return; fw_send_request(device->card, t, TCODE_WRITE_QUADLET_REQUEST, lu->tgt->node_id, lu->generation, device->max_speed, lu->command_block_agent_address + SBP2_AGENT_RESET, - &zero, sizeof(zero), complete_agent_reset_write, t); - - return 0; + &z, sizeof(z), complete_agent_reset_write_no_wait, t); } static void sbp2_release_target(struct kref *kref) @@ -1086,7 +1103,7 @@ complete_command_orb(struct sbp2_orb *base_orb, struct sbp2_status *status) if (status != NULL) { if (STATUS_GET_DEAD(*status)) - sbp2_agent_reset(orb->lu); + sbp2_agent_reset_no_wait(orb->lu); switch (STATUS_GET_RESPONSE(*status)) { case SBP2_STATUS_REQUEST_COMPLETE: -- cgit v1.2.3 From 48f18c761c001a66ef1928b42799c717368b1d64 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sun, 3 Feb 2008 23:09:50 +0100 Subject: firewire: fw-sbp2: log bus_id at management request failures for easier readable logs if more than one SBP-2 device is present. Signed-off-by: Stefan Richter Signed-off-by: Jarod Wilson --- drivers/firewire/fw-sbp2.c | 66 +++++++++++++++++++++++----------------------- 1 file changed, 33 insertions(+), 33 deletions(-) (limited to 'drivers') diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index 32b50f13e7a..077f1c09dad 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c @@ -148,6 +148,7 @@ struct sbp2_logical_unit { struct sbp2_target { struct kref kref; struct fw_unit *unit; + const char *bus_id; struct list_head lu_list; u64 management_agent_address; @@ -566,20 +567,20 @@ sbp2_send_management_orb(struct sbp2_logical_unit *lu, int node_id, retval = -EIO; if (sbp2_cancel_orbs(lu) == 0) { - fw_error("orb reply timed out, rcode=0x%02x\n", - orb->base.rcode); + fw_error("%s: orb reply timed out, rcode=0x%02x\n", + lu->tgt->bus_id, orb->base.rcode); goto out; } if (orb->base.rcode != RCODE_COMPLETE) { - fw_error("management write failed, rcode 0x%02x\n", - orb->base.rcode); + fw_error("%s: management write failed, rcode 0x%02x\n", + lu->tgt->bus_id, orb->base.rcode); goto out; } if (STATUS_GET_RESPONSE(orb->status) != 0 || STATUS_GET_SBP_STATUS(orb->status) != 0) { - fw_error("error status: %d:%d\n", + fw_error("%s: error status: %d:%d\n", lu->tgt->bus_id, STATUS_GET_RESPONSE(orb->status), STATUS_GET_SBP_STATUS(orb->status)); goto out; @@ -664,7 +665,7 @@ static void sbp2_release_target(struct kref *kref) kfree(lu); } scsi_remove_host(shost); - fw_notify("released %s\n", tgt->unit->device.bus_id); + fw_notify("released %s\n", tgt->bus_id); put_device(&tgt->unit->device); scsi_host_put(shost); @@ -693,12 +694,11 @@ static void sbp2_login(struct work_struct *work) { struct sbp2_logical_unit *lu = container_of(work, struct sbp2_logical_unit, work.work); - struct Scsi_Host *shost = - container_of((void *)lu->tgt, struct Scsi_Host, hostdata[0]); + struct sbp2_target *tgt = lu->tgt; + struct fw_device *device = fw_device(tgt->unit->device.parent); + struct Scsi_Host *shost; struct scsi_device *sdev; struct scsi_lun eight_bytes_lun; - struct fw_unit *unit = lu->tgt->unit; - struct fw_device *device = fw_device(unit->device.parent); struct sbp2_login_response response; int generation, node_id, local_node_id; @@ -715,14 +715,14 @@ static void sbp2_login(struct work_struct *work) if (lu->retries++ < 5) sbp2_queue_work(lu, DIV_ROUND_UP(HZ, 5)); else - fw_error("failed to login to %s LUN %04x\n", - unit->device.bus_id, lu->lun); + fw_error("%s: failed to login to LUN %04x\n", + tgt->bus_id, lu->lun); goto out; } - lu->generation = generation; - lu->tgt->node_id = node_id; - lu->tgt->address_high = local_node_id << 16; + lu->generation = generation; + tgt->node_id = node_id; + tgt->address_high = local_node_id << 16; /* Get command block agent offset and login id. */ lu->command_block_agent_address = @@ -730,8 +730,8 @@ static void sbp2_login(struct work_struct *work) response.command_block_agent.low; lu->login_id = LOGIN_RESPONSE_GET_LOGIN_ID(response); - fw_notify("logged in to %s LUN %04x (%d retries)\n", - unit->device.bus_id, lu->lun, lu->retries); + fw_notify("%s: logged in to LUN %04x (%d retries)\n", + tgt->bus_id, lu->lun, lu->retries); #if 0 /* FIXME: The linux1394 sbp2 does this last step. */ @@ -747,6 +747,7 @@ static void sbp2_login(struct work_struct *work) memset(&eight_bytes_lun, 0, sizeof(eight_bytes_lun)); eight_bytes_lun.scsi_lun[0] = (lu->lun >> 8) & 0xff; eight_bytes_lun.scsi_lun[1] = lu->lun & 0xff; + shost = container_of((void *)tgt, struct Scsi_Host, hostdata[0]); sdev = __scsi_add_device(shost, 0, 0, scsilun_to_int(&eight_bytes_lun), lu); @@ -767,7 +768,7 @@ static void sbp2_login(struct work_struct *work) scsi_device_put(sdev); } out: - sbp2_target_put(lu->tgt); + sbp2_target_put(tgt); } static int sbp2_add_logical_unit(struct sbp2_target *tgt, int lun_entry) @@ -850,7 +851,7 @@ static int sbp2_scan_unit_dir(struct sbp2_target *tgt, u32 *directory, if (timeout > tgt->mgt_orb_timeout) fw_notify("%s: config rom contains %ds " "management ORB timeout, limiting " - "to %ds\n", tgt->unit->device.bus_id, + "to %ds\n", tgt->bus_id, timeout / 1000, tgt->mgt_orb_timeout / 1000); break; @@ -878,7 +879,7 @@ static void sbp2_init_workarounds(struct sbp2_target *tgt, u32 model, if (w) fw_notify("Please notify linux1394-devel@lists.sourceforge.net " "if you need the workarounds parameter for %s\n", - tgt->unit->device.bus_id); + tgt->bus_id); if (w & SBP2_WORKAROUND_OVERRIDE) goto out; @@ -900,8 +901,7 @@ static void sbp2_init_workarounds(struct sbp2_target *tgt, u32 model, if (w) fw_notify("Workarounds for %s: 0x%x " "(firmware_revision 0x%06x, model_id 0x%06x)\n", - tgt->unit->device.bus_id, - w, firmware_revision, model); + tgt->bus_id, w, firmware_revision, model); tgt->workarounds = w; } @@ -925,6 +925,7 @@ static int sbp2_probe(struct device *dev) tgt->unit = unit; kref_init(&tgt->kref); INIT_LIST_HEAD(&tgt->lu_list); + tgt->bus_id = unit->device.bus_id; if (fw_device_enable_phys_dma(device) < 0) goto fail_shost_put; @@ -975,8 +976,8 @@ static void sbp2_reconnect(struct work_struct *work) { struct sbp2_logical_unit *lu = container_of(work, struct sbp2_logical_unit, work.work); - struct fw_unit *unit = lu->tgt->unit; - struct fw_device *device = fw_device(unit->device.parent); + struct sbp2_target *tgt = lu->tgt; + struct fw_device *device = fw_device(tgt->unit->device.parent); int generation, node_id, local_node_id; if (fw_device_is_shutdown(device)) @@ -991,8 +992,7 @@ static void sbp2_reconnect(struct work_struct *work) SBP2_RECONNECT_REQUEST, lu->login_id, NULL) < 0) { if (lu->retries++ >= 5) { - fw_error("failed to reconnect to %s\n", - unit->device.bus_id); + fw_error("%s: failed to reconnect\n", tgt->bus_id); /* Fall back and try to log in again. */ lu->retries = 0; PREPARE_DELAYED_WORK(&lu->work, sbp2_login); @@ -1001,17 +1001,17 @@ static void sbp2_reconnect(struct work_struct *work) goto out; } - lu->generation = generation; - lu->tgt->node_id = node_id; - lu->tgt->address_high = local_node_id << 16; + lu->generation = generation; + tgt->node_id = node_id; + tgt->address_high = local_node_id << 16; - fw_notify("reconnected to %s LUN %04x (%d retries)\n", - unit->device.bus_id, lu->lun, lu->retries); + fw_notify("%s: reconnected to LUN %04x (%d retries)\n", + tgt->bus_id, lu->lun, lu->retries); sbp2_agent_reset(lu); sbp2_cancel_orbs(lu); out: - sbp2_target_put(lu->tgt); + sbp2_target_put(tgt); } static void sbp2_update(struct fw_unit *unit) @@ -1359,7 +1359,7 @@ static int sbp2_scsi_abort(struct scsi_cmnd *cmd) { struct sbp2_logical_unit *lu = cmd->device->hostdata; - fw_notify("sbp2_scsi_abort\n"); + fw_notify("%s: sbp2_scsi_abort\n", lu->tgt->bus_id); sbp2_agent_reset(lu); sbp2_cancel_orbs(lu); -- cgit v1.2.3 From 0fa6dfdb0a2768541e998a5dab10b368de56c60a Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sun, 3 Feb 2008 23:10:47 +0100 Subject: firewire: fw-sbp2: don't add scsi_device twice When a reconnect failed but re-login succeeded, __scsi_add_device was called again. In those cases, __scsi_add_device succeeded and returned the pointer to the existing scsi_device. fw-sbp2 then continued orderly, except that it missed to call sbp2_cancel_orbs. SCSI core would call fw-sbp2's eh_abort_handler eventually if there had been an outstanding command. This patch avoids the needless lookups and temporary allocations in SCSI core and I/O stall and timeout until eh_abort_handler hits. Also, __scsi_add_device tolerating calls for devices which already exist is undocumented behavior on which we shouldn't rely. Signed-off-by: Stefan Richter Signed-off-by: Jarod Wilson --- drivers/firewire/fw-sbp2.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers') diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index 077f1c09dad..914170bb50a 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c @@ -741,6 +741,12 @@ static void sbp2_login(struct work_struct *work) PREPARE_DELAYED_WORK(&lu->work, sbp2_reconnect); sbp2_agent_reset(lu); + /* This was a re-login. */ + if (lu->sdev) { + sbp2_cancel_orbs(lu); + goto out; + } + if (lu->tgt->workarounds & SBP2_WORKAROUND_DELAY_INQUIRY) ssleep(SBP2_INQUIRY_DELAY); -- cgit v1.2.3 From ce896d95cc7886ae05859c5b409a7b2f3b606ec1 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sun, 3 Feb 2008 23:11:39 +0100 Subject: firewire: fw-sbp2: logout and login after failed reconnect If fw-sbp2 was too late with requesting the reconnect, the target would reject this. In this case, log out before attempting the reconnect. Else several firmwares will deny the re-login because they somehow didn't invalidate the old login. Also, don't retry reconnects in this situation. The retries won't succeed either. These changes improve chances for successful re-login and shorten the period during which the logical unit is inaccessible. Signed-off-by: Stefan Richter Signed-off-by: Jarod Wilson --- drivers/firewire/fw-sbp2.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index 914170bb50a..80ab6516175 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c @@ -710,6 +710,11 @@ static void sbp2_login(struct work_struct *work) node_id = device->node_id; local_node_id = device->card->node_id; + /* If this is a re-login attempt, log out, or we might be rejected. */ + if (lu->sdev) + sbp2_send_management_orb(lu, device->node_id, generation, + SBP2_LOGOUT_REQUEST, lu->login_id, NULL); + if (sbp2_send_management_orb(lu, node_id, generation, SBP2_LOGIN_REQUEST, lu->lun, &response) < 0) { if (lu->retries++ < 5) @@ -997,9 +1002,17 @@ static void sbp2_reconnect(struct work_struct *work) if (sbp2_send_management_orb(lu, node_id, generation, SBP2_RECONNECT_REQUEST, lu->login_id, NULL) < 0) { - if (lu->retries++ >= 5) { + /* + * If reconnect was impossible even though we are in the + * current generation, fall back and try to log in again. + * + * We could check for "Function rejected" status, but + * looking at the bus generation as simpler and more general. + */ + smp_rmb(); /* get current card generation */ + if (generation == device->card->generation || + lu->retries++ >= 5) { fw_error("%s: failed to reconnect\n", tgt->bus_id); - /* Fall back and try to log in again. */ lu->retries = 0; PREPARE_DELAYED_WORK(&lu->work, sbp2_login); } -- cgit v1.2.3 From 7bb6bf7c8ba0b4ccfecaa00d6faea51b0bd42c8c Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sun, 3 Feb 2008 23:12:17 +0100 Subject: firewire: fw-sbp2: sort includes Signed-off-by: Stefan Richter --- drivers/firewire/fw-sbp2.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index 80ab6516175..323b03bacd2 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c @@ -28,15 +28,15 @@ * and many others. */ +#include +#include +#include +#include #include +#include #include #include -#include -#include -#include #include -#include -#include #include #include #include @@ -48,9 +48,9 @@ #include #include -#include "fw-transaction.h" -#include "fw-topology.h" #include "fw-device.h" +#include "fw-topology.h" +#include "fw-transaction.h" /* * So far only bridges from Oxford Semiconductor are known to support -- cgit v1.2.3 From e80de3704ac30ddb7f9a12447a2ecee32ccd7880 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Fri, 15 Feb 2008 21:29:02 +0100 Subject: firewire: fw-sbp2: enforce a retry of __scsi_add_device if bus generation changed fw-sbp2 is unable to reconnect while performing __scsi_add_device because there is only a single workqueue thread context available for both at the moment. This should be fixed eventually. An actual failure of __scsi_add_device is easy to handle, but an incomplete execution of __scsi_add_device with an sdev returned would remain undetected and leave the SBP-2 target unusable. Therefore we use a workaround: If there was a bus reset during __scsi_add_device (i.e. during the SCSI probe), we remove the new sdev immediately, log out, and attempt login and SCSI probe again. Tested-by: Jarod Wilson (earlier version) Signed-off-by: Stefan Richter --- drivers/firewire/fw-sbp2.c | 49 +++++++++++++++++++++++++++++++++------------- 1 file changed, 35 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index 323b03bacd2..6d10934c58f 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c @@ -762,22 +762,43 @@ static void sbp2_login(struct work_struct *work) sdev = __scsi_add_device(shost, 0, 0, scsilun_to_int(&eight_bytes_lun), lu); - if (IS_ERR(sdev)) { - smp_rmb(); /* generation may have changed */ - generation = device->generation; - smp_rmb(); /* node_id must not be older than generation */ + /* + * FIXME: We are unable to perform reconnects while in sbp2_login(). + * Therefore __scsi_add_device() will get into trouble if a bus reset + * happens in parallel. It will either fail or leave us with an + * unusable sdev. As a workaround we check for this and retry the + * whole login and SCSI probing. + */ - sbp2_send_management_orb(lu, device->node_id, generation, - SBP2_LOGOUT_REQUEST, lu->login_id, NULL); - /* - * Set this back to sbp2_login so we fall back and - * retry login on bus reset. - */ - PREPARE_DELAYED_WORK(&lu->work, sbp2_login); - } else { - lu->sdev = sdev; - scsi_device_put(sdev); + /* Reported error during __scsi_add_device() */ + if (IS_ERR(sdev)) + goto out_logout_login; + + scsi_device_put(sdev); + + /* Unreported error during __scsi_add_device() */ + smp_rmb(); /* get current card generation */ + if (generation != device->card->generation) { + scsi_remove_device(sdev); + goto out_logout_login; } + + /* No error during __scsi_add_device() */ + lu->sdev = sdev; + goto out; + + out_logout_login: + smp_rmb(); /* generation may have changed */ + generation = device->generation; + smp_rmb(); /* node_id must not be older than generation */ + + sbp2_send_management_orb(lu, device->node_id, generation, + SBP2_LOGOUT_REQUEST, lu->login_id, NULL); + /* + * If a bus reset happened, sbp2_update will have requeued + * lu->work already. Reset the work from reconnect to login. + */ + PREPARE_DELAYED_WORK(&lu->work, sbp2_login); out: sbp2_target_put(tgt); } -- cgit v1.2.3 From edd2fd643c500c812cae5b0d314ab9db9f959898 Mon Sep 17 00:00:00 2001 From: Chien Tung Date: Fri, 15 Feb 2008 21:00:36 -0600 Subject: RDMA/nes: Fix VLAN support We need to account for the VLAN header size in nes_netdev_change_mtu() and nes_netdev_init(). Also, add spin lock/unlock during VLAN RX registration so only one process can assign VLAN group for a given interface at a time. Signed-off-by: Chien Tung Signed-off-by: Glenn Streiff Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_nic.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c index 67827ad894e..eee77da6193 100644 --- a/drivers/infiniband/hw/nes/nes_nic.c +++ b/drivers/infiniband/hw/nes/nes_nic.c @@ -932,7 +932,7 @@ static int nes_netdev_change_mtu(struct net_device *netdev, int new_mtu) return -EINVAL; netdev->mtu = new_mtu; - nesvnic->max_frame_size = new_mtu+ETH_HLEN; + nesvnic->max_frame_size = new_mtu + VLAN_ETH_HLEN; if (netdev->mtu > 1500) { jumbomode=1; @@ -1494,10 +1494,15 @@ static void nes_netdev_vlan_rx_register(struct net_device *netdev, struct vlan_g { struct nes_vnic *nesvnic = netdev_priv(netdev); struct nes_device *nesdev = nesvnic->nesdev; + struct nes_adapter *nesadapter = nesdev->nesadapter; u32 u32temp; + unsigned long flags; + spin_lock_irqsave(&nesadapter->phy_lock, flags); nesvnic->vlan_grp = grp; + nes_debug(NES_DBG_NETDEV, "%s: %s\n", __func__, netdev->name); + /* Enable/Disable VLAN Stripping */ u32temp = nes_read_indexed(nesdev, NES_IDX_PCIX_DIAG); if (grp) @@ -1506,6 +1511,7 @@ static void nes_netdev_vlan_rx_register(struct net_device *netdev, struct vlan_g u32temp |= 0x02000000; nes_write_indexed(nesdev, NES_IDX_PCIX_DIAG, u32temp); + spin_unlock_irqrestore(&nesadapter->phy_lock, flags); } @@ -1564,7 +1570,7 @@ struct net_device *nes_netdev_init(struct nes_device *nesdev, nesvnic->msg_enable = netif_msg_init(debug, default_msg); nesvnic->netdev_index = nesdev->netdev_count; nesvnic->perfect_filter_index = nesdev->nesadapter->netdev_count; - nesvnic->max_frame_size = netdev->mtu+netdev->hard_header_len; + nesvnic->max_frame_size = netdev->mtu + netdev->hard_header_len + VLAN_HLEN; curr_qp_map = nic_qp_mapping_per_function[PCI_FUNC(nesdev->pcidev->devfn)]; nesvnic->nic.qp_id = curr_qp_map[nesdev->netdev_count].qpid; -- cgit v1.2.3 From d6a7b5f84b5c15617010e06c95129fe8800e6b21 Mon Sep 17 00:00:00 2001 From: Holger Schurig Date: Mon, 11 Feb 2008 16:51:41 +0100 Subject: [ARM] 4827/1: fix two warnings in drivers/i2c/busses/i2c-pxa.c This fixes two warnings: * unused static defined function decode_ICR() when compiled without CONFIG_I2C_PXA_SLAVE * a sparse warning about a void function returning something Signed-off-by: Holger Schurig Signed-off-by: Russell King --- drivers/i2c/busses/i2c-pxa.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c index 2598d29fd7a..2b557bfd7f7 100644 --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c @@ -138,11 +138,13 @@ static const struct bits icr_bits[] = { PXA_BIT(ICR_UR, "UR", "ur"), }; +#ifdef CONFIG_I2C_PXA_SLAVE static void decode_ICR(unsigned int val) { decode_bits(KERN_DEBUG "ICR", icr_bits, ARRAY_SIZE(icr_bits), val); printk("\n"); } +#endif static unsigned int i2c_debug = DEBUG; @@ -1122,7 +1124,7 @@ static int __init i2c_adap_pxa_init(void) static void i2c_adap_pxa_exit(void) { - return platform_driver_unregister(&i2c_pxa_driver); + platform_driver_unregister(&i2c_pxa_driver); } MODULE_LICENSE("GPL"); -- cgit v1.2.3 From ac2bf5bdc6ab9d820152623122973ccb1c166031 Mon Sep 17 00:00:00 2001 From: Holger Schurig Date: Mon, 11 Feb 2008 16:52:30 +0100 Subject: [ARM] 4828/1: fix 3 warnings in drivers/video/pxafb.c * Silence a debug output. * Silence three sparse warnings, one still left. Signed-off-by: Holger Schurig Signed-off-by: Russell King --- drivers/video/pxafb.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c index 10f912df2da..97facb121c7 100644 --- a/drivers/video/pxafb.c +++ b/drivers/video/pxafb.c @@ -1046,7 +1046,7 @@ pxafb_freq_policy(struct notifier_block *nb, unsigned long val, void *data) switch (val) { case CPUFREQ_ADJUST: case CPUFREQ_INCOMPATIBLE: - printk(KERN_DEBUG "min dma period: %d ps, " + pr_debug("min dma period: %d ps, " "new clock %d kHz\n", pxafb_display_dma_period(var), policy->max); // TODO: fill in min/max values @@ -1361,7 +1361,7 @@ static int __init pxafb_parse_options(struct device *dev, char *options) } #endif -int __init pxafb_probe(struct platform_device *dev) +static int __init pxafb_probe(struct platform_device *dev) { struct pxafb_info *fbi; struct pxafb_mach_info *inf; @@ -1486,7 +1486,7 @@ static struct platform_driver pxafb_driver = { }; #ifndef MODULE -int __devinit pxafb_setup(char *options) +static int __devinit pxafb_setup(char *options) { # ifdef CONFIG_FB_PXA_PARAMETERS if (options) @@ -1501,7 +1501,7 @@ MODULE_PARM_DESC(options, "LCD parameters (see Documentation/fb/pxafb.txt)"); # endif #endif -int __devinit pxafb_init(void) +static int __devinit pxafb_init(void) { #ifndef MODULE char *option = NULL; -- cgit v1.2.3 From 6cb59e915d04f71c62a0ee8fab34de274aa3fe2a Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Sun, 6 Jan 2008 15:25:52 +0100 Subject: hwmon: (lm92) Add individual alarm files The new libsensors needs these individual alarm files. Signed-off-by: Jean Delvare Acked-by: Juerg Haefliger Signed-off-by: Mark M. Hoffman --- drivers/hwmon/lm92.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/hwmon/lm92.c b/drivers/hwmon/lm92.c index af5c77d568f..a2b804115ce 100644 --- a/drivers/hwmon/lm92.c +++ b/drivers/hwmon/lm92.c @@ -45,6 +45,7 @@ #include #include #include +#include #include #include @@ -209,6 +210,14 @@ static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, ch return sprintf(buf, "%d\n", ALARMS_FROM_REG(data->temp1_input)); } +static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, + char *buf) +{ + int bitnr = to_sensor_dev_attr(attr)->index; + struct lm92_data *data = lm92_update_device(dev); + return sprintf(buf, "%d\n", (data->temp1_input >> bitnr) & 1); +} + static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp1_input, NULL); static DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, show_temp1_crit, set_temp1_crit); @@ -221,6 +230,9 @@ static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp1_max, set_temp1_max); static DEVICE_ATTR(temp1_max_hyst, S_IRUGO, show_temp1_max_hyst, NULL); static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); +static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL, 2); +static SENSOR_DEVICE_ATTR(temp1_min_alarm, S_IRUGO, show_alarm, NULL, 0); +static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL, 1); /* @@ -297,7 +309,9 @@ static struct attribute *lm92_attributes[] = { &dev_attr_temp1_max.attr, &dev_attr_temp1_max_hyst.attr, &dev_attr_alarms.attr, - + &sensor_dev_attr_temp1_crit_alarm.dev_attr.attr, + &sensor_dev_attr_temp1_min_alarm.dev_attr.attr, + &sensor_dev_attr_temp1_max_alarm.dev_attr.attr, NULL }; -- cgit v1.2.3 From 71062ffcd5173b8291ee80e84711b619b34a64eb Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Sun, 6 Jan 2008 15:27:59 +0100 Subject: hwmon: (max1619) Add individual alarm and fault files The new libsensors needs these individual alarm and fault files. Signed-off-by: Jean Delvare Acked-by: Juerg Haefliger Signed-off-by: Mark M. Hoffman --- drivers/hwmon/max1619.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'drivers') diff --git a/drivers/hwmon/max1619.c b/drivers/hwmon/max1619.c index 38a44c3d6ce..34280341797 100644 --- a/drivers/hwmon/max1619.c +++ b/drivers/hwmon/max1619.c @@ -32,6 +32,7 @@ #include #include #include +#include #include #include #include @@ -161,6 +162,14 @@ static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, ch return sprintf(buf, "%d\n", data->alarms); } +static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, + char *buf) +{ + int bitnr = to_sensor_dev_attr(attr)->index; + struct max1619_data *data = max1619_update_device(dev); + return sprintf(buf, "%d\n", (data->alarms >> bitnr) & 1); +} + static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp_input1, NULL); static DEVICE_ATTR(temp2_input, S_IRUGO, show_temp_input2, NULL); static DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp_low2, @@ -172,6 +181,10 @@ static DEVICE_ATTR(temp2_crit, S_IWUSR | S_IRUGO, show_temp_crit2, static DEVICE_ATTR(temp2_crit_hyst, S_IWUSR | S_IRUGO, show_temp_hyst2, set_temp_hyst2); static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); +static SENSOR_DEVICE_ATTR(temp2_crit_alarm, S_IRUGO, show_alarm, NULL, 1); +static SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO, show_alarm, NULL, 2); +static SENSOR_DEVICE_ATTR(temp2_min_alarm, S_IRUGO, show_alarm, NULL, 3); +static SENSOR_DEVICE_ATTR(temp2_max_alarm, S_IRUGO, show_alarm, NULL, 4); static struct attribute *max1619_attributes[] = { &dev_attr_temp1_input.attr, @@ -182,6 +195,10 @@ static struct attribute *max1619_attributes[] = { &dev_attr_temp2_crit_hyst.attr, &dev_attr_alarms.attr, + &sensor_dev_attr_temp2_crit_alarm.dev_attr.attr, + &sensor_dev_attr_temp2_fault.dev_attr.attr, + &sensor_dev_attr_temp2_min_alarm.dev_attr.attr, + &sensor_dev_attr_temp2_max_alarm.dev_attr.attr, NULL }; -- cgit v1.2.3 From 1f08af7ea95e0f4ec632664b9f21a687426df658 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Sun, 6 Jan 2008 15:36:13 +0100 Subject: hwmon: (smsc47m1) Add individual alarm files The new libsensors needs these individual alarm files. Signed-off-by: Jean Delvare Acked-by: Juerg Haefliger Signed-off-by: Mark M. Hoffman --- drivers/hwmon/smsc47m1.c | 25 ++++++++++++++++++++++--- 1 file changed, 22 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/hwmon/smsc47m1.c b/drivers/hwmon/smsc47m1.c index 0d7f0c4d06b..d1b49854873 100644 --- a/drivers/hwmon/smsc47m1.c +++ b/drivers/hwmon/smsc47m1.c @@ -198,6 +198,14 @@ static ssize_t get_fan_div(struct device *dev, struct device_attribute return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[attr->index])); } +static ssize_t get_fan_alarm(struct device *dev, struct device_attribute + *devattr, char *buf) +{ + int bitnr = to_sensor_dev_attr(devattr)->index; + struct smsc47m1_data *data = smsc47m1_update_device(dev, 0); + return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1); +} + static ssize_t get_pwm(struct device *dev, struct device_attribute *devattr, char *buf) { @@ -347,6 +355,8 @@ static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ get_fan_min, set_fan_min, offset - 1); \ static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \ get_fan_div, set_fan_div, offset - 1); \ +static SENSOR_DEVICE_ATTR(fan##offset##_alarm, S_IRUGO, get_fan_alarm, \ + NULL, offset - 1); \ static SENSOR_DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \ get_pwm, set_pwm, offset - 1); \ static SENSOR_DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR, \ @@ -374,12 +384,15 @@ static struct attribute *smsc47m1_attributes[] = { &sensor_dev_attr_fan1_input.dev_attr.attr, &sensor_dev_attr_fan1_min.dev_attr.attr, &sensor_dev_attr_fan1_div.dev_attr.attr, + &sensor_dev_attr_fan1_alarm.dev_attr.attr, &sensor_dev_attr_fan2_input.dev_attr.attr, &sensor_dev_attr_fan2_min.dev_attr.attr, &sensor_dev_attr_fan2_div.dev_attr.attr, + &sensor_dev_attr_fan2_alarm.dev_attr.attr, &sensor_dev_attr_fan3_input.dev_attr.attr, &sensor_dev_attr_fan3_min.dev_attr.attr, &sensor_dev_attr_fan3_div.dev_attr.attr, + &sensor_dev_attr_fan3_alarm.dev_attr.attr, &sensor_dev_attr_pwm1.dev_attr.attr, &sensor_dev_attr_pwm1_enable.dev_attr.attr, @@ -533,7 +546,9 @@ static int __devinit smsc47m1_probe(struct platform_device *pdev) || (err = device_create_file(dev, &sensor_dev_attr_fan1_min.dev_attr)) || (err = device_create_file(dev, - &sensor_dev_attr_fan1_div.dev_attr))) + &sensor_dev_attr_fan1_div.dev_attr)) + || (err = device_create_file(dev, + &sensor_dev_attr_fan1_alarm.dev_attr))) goto error_remove_files; } else dev_dbg(dev, "Fan 1 not enabled by hardware, skipping\n"); @@ -544,7 +559,9 @@ static int __devinit smsc47m1_probe(struct platform_device *pdev) || (err = device_create_file(dev, &sensor_dev_attr_fan2_min.dev_attr)) || (err = device_create_file(dev, - &sensor_dev_attr_fan2_div.dev_attr))) + &sensor_dev_attr_fan2_div.dev_attr)) + || (err = device_create_file(dev, + &sensor_dev_attr_fan2_alarm.dev_attr))) goto error_remove_files; } else dev_dbg(dev, "Fan 2 not enabled by hardware, skipping\n"); @@ -555,7 +572,9 @@ static int __devinit smsc47m1_probe(struct platform_device *pdev) || (err = device_create_file(dev, &sensor_dev_attr_fan3_min.dev_attr)) || (err = device_create_file(dev, - &sensor_dev_attr_fan3_div.dev_attr))) + &sensor_dev_attr_fan3_div.dev_attr)) + || (err = device_create_file(dev, + &sensor_dev_attr_fan3_alarm.dev_attr))) goto error_remove_files; } else if (data->type == smsc47m2) dev_dbg(dev, "Fan 3 not enabled by hardware, skipping\n"); -- cgit v1.2.3 From 13ff05e9f87101407445f79c7402aca087ddbd02 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Sun, 6 Jan 2008 15:42:04 +0100 Subject: hwmon: (via686a) Add individual alarm files The new libsensors needs these individual alarm files. Signed-off-by: Jean Delvare Acked-by: Juerg Haefliger Signed-off-by: Mark M. Hoffman --- drivers/hwmon/via686a.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) (limited to 'drivers') diff --git a/drivers/hwmon/via686a.c b/drivers/hwmon/via686a.c index 2635bba1e3f..f1ee5e73196 100644 --- a/drivers/hwmon/via686a.c +++ b/drivers/hwmon/via686a.c @@ -533,6 +533,24 @@ static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, ch } static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); +static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, + char *buf) +{ + int bitnr = to_sensor_dev_attr(attr)->index; + struct via686a_data *data = via686a_update_device(dev); + return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1); +} +static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); +static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); +static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2); +static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3); +static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8); +static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4); +static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 11); +static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 15); +static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6); +static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7); + static ssize_t show_name(struct device *dev, struct device_attribute *devattr, char *buf) { @@ -557,6 +575,11 @@ static struct attribute *via686a_attributes[] = { &sensor_dev_attr_in2_max.dev_attr.attr, &sensor_dev_attr_in3_max.dev_attr.attr, &sensor_dev_attr_in4_max.dev_attr.attr, + &sensor_dev_attr_in0_alarm.dev_attr.attr, + &sensor_dev_attr_in1_alarm.dev_attr.attr, + &sensor_dev_attr_in2_alarm.dev_attr.attr, + &sensor_dev_attr_in3_alarm.dev_attr.attr, + &sensor_dev_attr_in4_alarm.dev_attr.attr, &sensor_dev_attr_temp1_input.dev_attr.attr, &sensor_dev_attr_temp2_input.dev_attr.attr, @@ -567,6 +590,9 @@ static struct attribute *via686a_attributes[] = { &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, &sensor_dev_attr_temp2_max_hyst.dev_attr.attr, &sensor_dev_attr_temp3_max_hyst.dev_attr.attr, + &sensor_dev_attr_temp1_alarm.dev_attr.attr, + &sensor_dev_attr_temp2_alarm.dev_attr.attr, + &sensor_dev_attr_temp3_alarm.dev_attr.attr, &sensor_dev_attr_fan1_input.dev_attr.attr, &sensor_dev_attr_fan2_input.dev_attr.attr, @@ -574,6 +600,8 @@ static struct attribute *via686a_attributes[] = { &sensor_dev_attr_fan2_min.dev_attr.attr, &sensor_dev_attr_fan1_div.dev_attr.attr, &sensor_dev_attr_fan2_div.dev_attr.attr, + &sensor_dev_attr_fan1_alarm.dev_attr.attr, + &sensor_dev_attr_fan2_alarm.dev_attr.attr, &dev_attr_alarms.attr, &dev_attr_name.attr, -- cgit v1.2.3 From 2d1374cad5a97d7c08a2c0e4282fb674b588b421 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Sun, 6 Jan 2008 15:46:02 +0100 Subject: hwmon: (vt8231) Add individual alarm files The new libsensors needs these individual alarm files. Signed-off-by: Jean Delvare CC: Roger Lucas Acked-by: Juerg Haefliger Signed-off-by: Mark M. Hoffman --- drivers/hwmon/vt8231.c | 40 ++++++++++++++++++++++++++++++++++++++-- 1 file changed, 38 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/hwmon/vt8231.c b/drivers/hwmon/vt8231.c index f87661775fe..ed4b8985767 100644 --- a/drivers/hwmon/vt8231.c +++ b/drivers/hwmon/vt8231.c @@ -541,6 +541,28 @@ static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, } static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); +static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, + char *buf) +{ + int bitnr = to_sensor_dev_attr(attr)->index; + struct vt8231_data *data = vt8231_update_device(dev); + return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1); +} +static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4); +static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 11); +static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 0); +static SENSOR_DEVICE_ATTR(temp4_alarm, S_IRUGO, show_alarm, NULL, 1); +static SENSOR_DEVICE_ATTR(temp5_alarm, S_IRUGO, show_alarm, NULL, 3); +static SENSOR_DEVICE_ATTR(temp6_alarm, S_IRUGO, show_alarm, NULL, 8); +static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 11); +static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 0); +static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 1); +static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3); +static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8); +static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 2); +static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6); +static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7); + static ssize_t show_name(struct device *dev, struct device_attribute *devattr, char *buf) { @@ -549,36 +571,42 @@ static ssize_t show_name(struct device *dev, struct device_attribute } static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); -static struct attribute *vt8231_attributes_temps[6][4] = { +static struct attribute *vt8231_attributes_temps[6][5] = { { &dev_attr_temp1_input.attr, &dev_attr_temp1_max_hyst.attr, &dev_attr_temp1_max.attr, + &sensor_dev_attr_temp1_alarm.dev_attr.attr, NULL }, { &sensor_dev_attr_temp2_input.dev_attr.attr, &sensor_dev_attr_temp2_max_hyst.dev_attr.attr, &sensor_dev_attr_temp2_max.dev_attr.attr, + &sensor_dev_attr_temp2_alarm.dev_attr.attr, NULL }, { &sensor_dev_attr_temp3_input.dev_attr.attr, &sensor_dev_attr_temp3_max_hyst.dev_attr.attr, &sensor_dev_attr_temp3_max.dev_attr.attr, + &sensor_dev_attr_temp3_alarm.dev_attr.attr, NULL }, { &sensor_dev_attr_temp4_input.dev_attr.attr, &sensor_dev_attr_temp4_max_hyst.dev_attr.attr, &sensor_dev_attr_temp4_max.dev_attr.attr, + &sensor_dev_attr_temp4_alarm.dev_attr.attr, NULL }, { &sensor_dev_attr_temp5_input.dev_attr.attr, &sensor_dev_attr_temp5_max_hyst.dev_attr.attr, &sensor_dev_attr_temp5_max.dev_attr.attr, + &sensor_dev_attr_temp5_alarm.dev_attr.attr, NULL }, { &sensor_dev_attr_temp6_input.dev_attr.attr, &sensor_dev_attr_temp6_max_hyst.dev_attr.attr, &sensor_dev_attr_temp6_max.dev_attr.attr, + &sensor_dev_attr_temp6_alarm.dev_attr.attr, NULL } }; @@ -592,36 +620,42 @@ static const struct attribute_group vt8231_group_temps[6] = { { .attrs = vt8231_attributes_temps[5] }, }; -static struct attribute *vt8231_attributes_volts[6][4] = { +static struct attribute *vt8231_attributes_volts[6][5] = { { &sensor_dev_attr_in0_input.dev_attr.attr, &sensor_dev_attr_in0_min.dev_attr.attr, &sensor_dev_attr_in0_max.dev_attr.attr, + &sensor_dev_attr_in0_alarm.dev_attr.attr, NULL }, { &sensor_dev_attr_in1_input.dev_attr.attr, &sensor_dev_attr_in1_min.dev_attr.attr, &sensor_dev_attr_in1_max.dev_attr.attr, + &sensor_dev_attr_in1_alarm.dev_attr.attr, NULL }, { &sensor_dev_attr_in2_input.dev_attr.attr, &sensor_dev_attr_in2_min.dev_attr.attr, &sensor_dev_attr_in2_max.dev_attr.attr, + &sensor_dev_attr_in2_alarm.dev_attr.attr, NULL }, { &sensor_dev_attr_in3_input.dev_attr.attr, &sensor_dev_attr_in3_min.dev_attr.attr, &sensor_dev_attr_in3_max.dev_attr.attr, + &sensor_dev_attr_in3_alarm.dev_attr.attr, NULL }, { &sensor_dev_attr_in4_input.dev_attr.attr, &sensor_dev_attr_in4_min.dev_attr.attr, &sensor_dev_attr_in4_max.dev_attr.attr, + &sensor_dev_attr_in4_alarm.dev_attr.attr, NULL }, { &dev_attr_in5_input.attr, &dev_attr_in5_min.attr, &dev_attr_in5_max.attr, + &sensor_dev_attr_in5_alarm.dev_attr.attr, NULL } }; @@ -642,6 +676,8 @@ static struct attribute *vt8231_attributes[] = { &sensor_dev_attr_fan2_min.dev_attr.attr, &sensor_dev_attr_fan1_div.dev_attr.attr, &sensor_dev_attr_fan2_div.dev_attr.attr, + &sensor_dev_attr_fan1_alarm.dev_attr.attr, + &sensor_dev_attr_fan2_alarm.dev_attr.attr, &dev_attr_alarms.attr, &dev_attr_name.attr, NULL -- cgit v1.2.3 From af865765a9ee3e3510f0fe82a4f1308d2820b7f6 Mon Sep 17 00:00:00 2001 From: Roger Lucas Date: Wed, 13 Feb 2008 07:52:06 -0500 Subject: hwmon: (vt8231) Update maintainer email address Signed-off-by: Roger Lucas (modified MAINTAINERS entry also - MMH) Signed-off-by: Mark M. Hoffman --- MAINTAINERS | 2 +- drivers/hwmon/vt8231.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/MAINTAINERS b/MAINTAINERS index 1d2edb491b3..4e60c94a43d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4262,7 +4262,7 @@ S: Maintained VT8231 HARDWARE MONITOR DRIVER P: Roger Lucas -M: roger@planbit.co.uk +M: vt8231@hiddenengine.co.uk L: lm-sensors@lm-sensors.org S: Maintained diff --git a/drivers/hwmon/vt8231.c b/drivers/hwmon/vt8231.c index ed4b8985767..5bc57275cae 100644 --- a/drivers/hwmon/vt8231.c +++ b/drivers/hwmon/vt8231.c @@ -2,7 +2,7 @@ vt8231.c - Part of lm_sensors, Linux kernel modules for hardware monitoring - Copyright (c) 2005 Roger Lucas + Copyright (c) 2005 Roger Lucas Copyright (c) 2002 Mark D. Studebaker Aaron M. Marsh @@ -999,7 +999,7 @@ static void __exit sm_vt8231_exit(void) } } -MODULE_AUTHOR("Roger Lucas "); +MODULE_AUTHOR("Roger Lucas "); MODULE_DESCRIPTION("VT8231 sensors"); MODULE_LICENSE("GPL"); -- cgit v1.2.3 From 1d5f2c16c6125ae6da1435ac5a190ae08429902a Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Sun, 10 Feb 2008 19:01:15 +0100 Subject: hwmon: (adm1026) Properly terminate sysfs groups The missing NULL at the end of two sysfs file groups causes a kernel crash when calling sysfs_create_group(). Signed-off-by: Jean Delvare Signed-off-by: Mark M. Hoffman --- drivers/hwmon/adm1026.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/hwmon/adm1026.c b/drivers/hwmon/adm1026.c index 8002f68240c..b3e6b06caf6 100644 --- a/drivers/hwmon/adm1026.c +++ b/drivers/hwmon/adm1026.c @@ -1624,6 +1624,7 @@ static struct attribute *adm1026_attributes_temp3[] = { &dev_attr_temp3_crit_enable.attr, &dev_attr_temp3_auto_point1_pwm.attr, &dev_attr_temp3_auto_point2_pwm.attr, + NULL }; static const struct attribute_group adm1026_group_temp3 = { @@ -1639,6 +1640,7 @@ static struct attribute *adm1026_attributes_in8_9[] = { &sensor_dev_attr_in9_max.dev_attr.attr, &sensor_dev_attr_in9_min.dev_attr.attr, &sensor_dev_attr_in9_alarm.dev_attr.attr, + NULL }; static const struct attribute_group adm1026_group_in8_9 = { -- cgit v1.2.3 From 6369a2887a1b35fde91573adc650528e3efea8e9 Mon Sep 17 00:00:00 2001 From: Rudolf Marek Date: Fri, 18 Jan 2008 00:42:54 +0100 Subject: hwmon: (coretemp) Add maximum cooling temperature readout Following patch will add reporting of maximum temperature, at which all fans should spin full speed. It may be non-physical temperature on Desktop/Server CPUs. Signed-off-by: Rudolf Marek Acked-by: Jean Delvare Signed-off-by: Mark M. Hoffman --- Documentation/hwmon/coretemp | 3 ++- drivers/hwmon/coretemp.c | 34 ++++++++++++++++++++++++++++++---- 2 files changed, 32 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/Documentation/hwmon/coretemp b/Documentation/hwmon/coretemp index 170bf862437..7fb74419590 100644 --- a/Documentation/hwmon/coretemp +++ b/Documentation/hwmon/coretemp @@ -25,7 +25,8 @@ may be raised, if the temperature grows enough (more than TjMax) to trigger the Out-Of-Spec bit. Following table summarizes the exported sysfs files: temp1_input - Core temperature (in millidegrees Celsius). -temp1_crit - Maximum junction temperature (in millidegrees Celsius). +temp1_max - All cooling devices should be turned on (on Core2). +temp1_crit - Maximum junction temperature (in millidegrees Celsius). temp1_crit_alarm - Set when Out-of-spec bit is set, never clears. Correct CPU operation is no longer guaranteed. temp1_label - Contains string "Core X", where X is processor diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index 3ee60d26e3a..52914e95e9d 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -38,7 +38,8 @@ #define DRVNAME "coretemp" -typedef enum { SHOW_TEMP, SHOW_TJMAX, SHOW_LABEL, SHOW_NAME } SHOW; +typedef enum { SHOW_TEMP, SHOW_TJMAX, SHOW_TTARGET, SHOW_LABEL, + SHOW_NAME } SHOW; /* * Functions declaration @@ -55,6 +56,7 @@ struct coretemp_data { unsigned long last_updated; /* in jiffies */ int temp; int tjmax; + int ttarget; u8 alarm; }; @@ -93,9 +95,10 @@ static ssize_t show_temp(struct device *dev, if (attr->index == SHOW_TEMP) err = data->valid ? sprintf(buf, "%d\n", data->temp) : -EAGAIN; - else + else if (attr->index == SHOW_TJMAX) err = sprintf(buf, "%d\n", data->tjmax); - + else + err = sprintf(buf, "%d\n", data->ttarget); return err; } @@ -103,6 +106,8 @@ static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, SHOW_TEMP); static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO, show_temp, NULL, SHOW_TJMAX); +static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO, show_temp, NULL, + SHOW_TTARGET); static DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL); static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO, show_name, NULL, SHOW_LABEL); static SENSOR_DEVICE_ATTR(name, S_IRUGO, show_name, NULL, SHOW_NAME); @@ -223,8 +228,26 @@ static int __devinit coretemp_probe(struct platform_device *pdev) platform_set_drvdata(pdev, data); + /* read the still undocumented IA32_TEMPERATURE_TARGET it exists + on older CPUs but not in this register */ + + if (c->x86_model > 0xe) { + err = rdmsr_safe_on_cpu(data->id, 0x1a2, &eax, &edx); + if (err) { + dev_warn(&pdev->dev, "Unable to read" + " IA32_TEMPERATURE_TARGET MSR\n"); + } else { + data->ttarget = data->tjmax - + (((eax >> 8) & 0xff) * 1000); + err = device_create_file(&pdev->dev, + &sensor_dev_attr_temp1_max.dev_attr); + if (err) + goto exit_free; + } + } + if ((err = sysfs_create_group(&pdev->dev.kobj, &coretemp_group))) - goto exit_free; + goto exit_dev; data->hwmon_dev = hwmon_device_register(&pdev->dev); if (IS_ERR(data->hwmon_dev)) { @@ -238,6 +261,8 @@ static int __devinit coretemp_probe(struct platform_device *pdev) exit_class: sysfs_remove_group(&pdev->dev.kobj, &coretemp_group); +exit_dev: + device_remove_file(&pdev->dev, &sensor_dev_attr_temp1_max.dev_attr); exit_free: kfree(data); exit: @@ -250,6 +275,7 @@ static int __devexit coretemp_remove(struct platform_device *pdev) hwmon_device_unregister(data->hwmon_dev); sysfs_remove_group(&pdev->dev.kobj, &coretemp_group); + device_remove_file(&pdev->dev, &sensor_dev_attr_temp1_max.dev_attr); platform_set_drvdata(pdev, NULL); kfree(data); return 0; -- cgit v1.2.3 From ba7c1927aa69c4dfe1ecf646f03b306e49dc8e37 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Sun, 17 Feb 2008 13:22:51 +0100 Subject: hwmon: (coretemp) fix section mismatch warning Fix following warning: WARNING: vmlinux.o(.text+0xebfd04): Section mismatch in reference from the function coretemp_cpu_callback() to the function .cpuinit.text:coretemp_device_add() coretemp_cpu_callback() are only used inside a HOTPLUG_CPU block so annotate it __cpuinit. The notifier referencing the function are annotated __refdata to silence warning from the exit function. The unregister function do not use the embedded pointer but clears the variable so the annotation is OK. Signed-off-by: Sam Ravnborg Signed-off-by: Mark M. Hoffman --- drivers/hwmon/coretemp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index 52914e95e9d..cbd047eac5b 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -356,7 +356,7 @@ static void coretemp_device_remove(unsigned int cpu) mutex_unlock(&pdev_list_mutex); } -static int coretemp_cpu_callback(struct notifier_block *nfb, +static int __cpuinit coretemp_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu) { unsigned int cpu = (unsigned long) hcpu; @@ -373,7 +373,7 @@ static int coretemp_cpu_callback(struct notifier_block *nfb, return NOTIFY_OK; } -static struct notifier_block coretemp_cpu_notifier = { +static struct notifier_block coretemp_cpu_notifier __refdata = { .notifier_call = coretemp_cpu_callback, }; #endif /* !CONFIG_HOTPLUG_CPU */ -- cgit v1.2.3 From 5910a9b2b1ff6205b39e5e03fdfd0ddb2a78386a Mon Sep 17 00:00:00 2001 From: Tobias Klauser Date: Sun, 17 Feb 2008 15:39:24 +0100 Subject: hwmon: (thmc50) Storage class should be before const qualifier The C99 specification states in section 6.11.5: The placement of a storage-class specifier other than at the beginning of the declaration specifiers in a declaration is an obsolescent feature. Signed-off-by: Tobias Klauser Signed-off-by: Mark M. Hoffman --- drivers/hwmon/thmc50.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/hwmon/thmc50.c b/drivers/hwmon/thmc50.c index 04dd7699b3a..a42a03c2436 100644 --- a/drivers/hwmon/thmc50.c +++ b/drivers/hwmon/thmc50.c @@ -52,9 +52,9 @@ I2C_CLIENT_MODULE_PARM(adm1022_temp3, "List of adapter,address pairs " */ #define THMC50_REG_INTR 0x41 -const static u8 THMC50_REG_TEMP[] = { 0x27, 0x26, 0x20 }; -const static u8 THMC50_REG_TEMP_MIN[] = { 0x3A, 0x38, 0x2C }; -const static u8 THMC50_REG_TEMP_MAX[] = { 0x39, 0x37, 0x2B }; +static const u8 THMC50_REG_TEMP[] = { 0x27, 0x26, 0x20 }; +static const u8 THMC50_REG_TEMP_MIN[] = { 0x3A, 0x38, 0x2C }; +static const u8 THMC50_REG_TEMP_MAX[] = { 0x39, 0x37, 0x2B }; #define THMC50_REG_CONF_nFANOFF 0x20 -- cgit v1.2.3 From cd19ba1391f93bc3741d298667c074d2d3fcc9fd Mon Sep 17 00:00:00 2001 From: Riki Oktarianto Date: Mon, 4 Feb 2008 23:41:58 -0800 Subject: hwmon: (applesmc) sensors set for MacBook2 On my mid-2007 MacBook2, reading Ts0P sensor always failed with this message: applesmc: wait status failed: 5 != 50. So I assume that there's no such Ts0p sensor in this model (please confirm, anyone). If there's the case, then we need a new set of sensors defined for MacBook2. Signed-off-by: Riki Oktarianto Cc: Nicolas Boichat Signed-off-by: Andrew Morton Signed-off-by: Mark M. Hoffman --- drivers/hwmon/applesmc.c | 29 +++++++++++++++++++---------- 1 file changed, 19 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index 0c94770b7f8..aacc0c4b809 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -84,12 +84,15 @@ static const char* temperature_sensors_sets[][36] = { /* Set 0: Macbook Pro */ { "TA0P", "TB0T", "TC0D", "TC0P", "TG0H", "TG0P", "TG0T", "Th0H", "Th1H", "Tm0P", "Ts0P", "Ts1P", NULL }, -/* Set 1: Macbook set */ +/* Set 1: Macbook2 set */ + { "TB0T", "TC0D", "TC0P", "TM0P", "TN0P", "TN1P", "TTF0", "Th0H", + "Th0S", "Th1H", NULL }, +/* Set 2: Macbook set */ { "TB0T", "TC0D", "TC0P", "TM0P", "TN0P", "TN1P", "Th0H", "Th0S", "Th1H", "Ts0P", NULL }, -/* Set 2: Macmini set */ +/* Set 3: Macmini set */ { "TC0D", "TC0P", NULL }, -/* Set 3: Mac Pro (2 x Quad-Core) */ +/* Set 4: Mac Pro (2 x Quad-Core) */ { "TA0P", "TCAG", "TCAH", "TCBG", "TCBH", "TC0C", "TC0D", "TC0P", "TC1C", "TC1D", "TC2C", "TC2D", "TC3C", "TC3D", "THTG", "TH0P", "TH1P", "TH2P", "TH3P", "TMAP", "TMAS", "TMBS", "TM0P", "TM0S", @@ -1212,12 +1215,14 @@ static void applesmc_release_accelerometer(void) static __initdata struct dmi_match_data applesmc_dmi_data[] = { /* MacBook Pro: accelerometer, backlight and temperature set 0 */ { .accelerometer = 1, .light = 1, .temperature_set = 0 }, -/* MacBook: accelerometer and temperature set 1 */ +/* MacBook2: accelerometer and temperature set 1 */ { .accelerometer = 1, .light = 0, .temperature_set = 1 }, -/* MacMini: temperature set 2 */ - { .accelerometer = 0, .light = 0, .temperature_set = 2 }, -/* MacPro: temperature set 3 */ +/* MacBook: accelerometer and temperature set 2 */ + { .accelerometer = 1, .light = 0, .temperature_set = 2 }, +/* MacMini: temperature set 3 */ { .accelerometer = 0, .light = 0, .temperature_set = 3 }, +/* MacPro: temperature set 4 */ + { .accelerometer = 0, .light = 0, .temperature_set = 4 }, }; /* Note that DMI_MATCH(...,"MacBook") will match "MacBookPro1,1". @@ -1229,16 +1234,20 @@ static __initdata struct dmi_system_id applesmc_whitelist[] = { (void*)&applesmc_dmi_data[0]}, { applesmc_dmi_match, "Apple MacBook", { DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), - DMI_MATCH(DMI_PRODUCT_NAME,"MacBook") }, + DMI_MATCH(DMI_PRODUCT_NAME,"MacBook2") }, (void*)&applesmc_dmi_data[1]}, + { applesmc_dmi_match, "Apple MacBook", { + DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), + DMI_MATCH(DMI_PRODUCT_NAME,"MacBook") }, + (void*)&applesmc_dmi_data[2]}, { applesmc_dmi_match, "Apple Macmini", { DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), DMI_MATCH(DMI_PRODUCT_NAME,"Macmini") }, - (void*)&applesmc_dmi_data[2]}, + (void*)&applesmc_dmi_data[3]}, { applesmc_dmi_match, "Apple MacPro2", { DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), DMI_MATCH(DMI_PRODUCT_NAME,"MacPro2") }, - (void*)&applesmc_dmi_data[3]}, + (void*)&applesmc_dmi_data[4]}, { .ident = NULL } }; -- cgit v1.2.3 From 118a88718886a6cb7fb2cf7fb77ef2eea30c73a1 Mon Sep 17 00:00:00 2001 From: Rudolf Marek Date: Sun, 17 Feb 2008 22:59:39 +0100 Subject: hwmon: (coretemp) Add TjMax detection for mobile CPUs Following patch will finally solve the detection of Intel Mobile CPUs which share same CPUID with Desktop/Server CPUs. We need this information to test some bit so we know if TjMax is 100C or 85C. Intel claims this works for mobiles only, respect that and set for desktops the TjMax to 100C. Intel provided some table on their wiki based on my chat with them at: http://softwarecommunity.intel.com/isn/Community/en-US/forums/30247249/ShowThread.aspx#30247249 Signed-off-by: Rudolf Marek Signed-off-by: Mark M. Hoffman --- drivers/hwmon/coretemp.c | 83 +++++++++++++++++++++++++++++------------------- 1 file changed, 51 insertions(+), 32 deletions(-) (limited to 'drivers') diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index cbd047eac5b..1f34ad84c55 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -152,6 +152,56 @@ static struct coretemp_data *coretemp_update_device(struct device *dev) return data; } +static int __devinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev) +{ + /* The 100C is default for both mobile and non mobile CPUs */ + + int tjmax = 100000; + int ismobile = 1; + int err; + u32 eax, edx; + + /* Early chips have no MSR for TjMax */ + + if ((c->x86_model == 0xf) && (c->x86_mask < 4)) { + ismobile = 0; + } + + if ((c->x86_model > 0xe) && (ismobile)) { + + /* Now we can detect the mobile CPU using Intel provided table + http://softwarecommunity.intel.com/Wiki/Mobility/720.htm + For Core2 cores, check MSR 0x17, bit 28 1 = Mobile CPU + */ + + err = rdmsr_safe_on_cpu(id, 0x17, &eax, &edx); + if (err) { + dev_warn(dev, + "Unable to access MSR 0x17, assuming desktop" + " CPU\n"); + ismobile = 0; + } else if (!(eax & 0x10000000)) { + ismobile = 0; + } + } + + if (ismobile) { + + err = rdmsr_safe_on_cpu(id, 0xee, &eax, &edx); + if (err) { + dev_warn(dev, + "Unable to access MSR 0xEE, for Tjmax, left" + " at default"); + } else if (eax & 0x40000000) { + tjmax = 85000; + } + } else { + dev_warn(dev, "Using relative temperature scale!\n"); + } + + return tjmax; +} + static int __devinit coretemp_probe(struct platform_device *pdev) { struct coretemp_data *data; @@ -168,8 +218,6 @@ static int __devinit coretemp_probe(struct platform_device *pdev) data->id = pdev->id; data->name = "coretemp"; mutex_init(&data->update_lock); - /* Tjmax default is 100 degrees C */ - data->tjmax = 100000; /* test if we can access the THERM_STATUS MSR */ err = rdmsr_safe_on_cpu(data->id, MSR_IA32_THERM_STATUS, &eax, &edx); @@ -196,36 +244,7 @@ static int __devinit coretemp_probe(struct platform_device *pdev) } } - /* Some processors have Tjmax 85 following magic should detect it - Intel won't disclose the information without signed NDA, but - individuals cannot sign it. Catch(ed) 22. - */ - - if (((c->x86_model == 0xf) && (c->x86_mask > 3)) || - (c->x86_model == 0xe)) { - err = rdmsr_safe_on_cpu(data->id, 0xee, &eax, &edx); - if (err) { - dev_warn(&pdev->dev, - "Unable to access MSR 0xEE, Tjmax left at %d " - "degrees C\n", data->tjmax/1000); - } else if (eax & 0x40000000) { - data->tjmax = 85000; - } - } - - /* Intel says that above should not work for desktop Core2 processors, - but it seems to work. There is no other way how get the absolute - readings. Warn the user about this. First check if are desktop, - bit 50 of MSR_IA32_PLATFORM_ID should be 0. - */ - - rdmsr_safe_on_cpu(data->id, MSR_IA32_PLATFORM_ID, &eax, &edx); - - if ((c->x86_model == 0xf) && (!(edx & 0x00040000))) { - dev_warn(&pdev->dev, "Using undocumented features, absolute " - "temperature might be wrong!\n"); - } - + data->tjmax = adjust_tjmax(c, data->id, &pdev->dev); platform_set_drvdata(pdev, data); /* read the still undocumented IA32_TEMPERATURE_TARGET it exists -- cgit v1.2.3 From ae770152c801f10a91e5e86597a39b5f9ccf2d0d Mon Sep 17 00:00:00 2001 From: Rudolf Marek Date: Fri, 18 Jan 2008 00:50:04 +0100 Subject: hwmon: (coretemp) Add Penryn CPU to coretemp This patch adds support for family 0x17, which has Penryn Core. It should also cover the 8 cores Xeons. Can someone test please? I think it should work. Signed-off-by: Rudolf Marek Acked-by: Jean Delvare Signed-off-by: Mark M. Hoffman --- Documentation/hwmon/coretemp | 3 ++- drivers/hwmon/coretemp.c | 4 ++-- 2 files changed, 4 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/Documentation/hwmon/coretemp b/Documentation/hwmon/coretemp index 7fb74419590..dbbe6c7025b 100644 --- a/Documentation/hwmon/coretemp +++ b/Documentation/hwmon/coretemp @@ -4,9 +4,10 @@ Kernel driver coretemp Supported chips: * All Intel Core family Prefix: 'coretemp' - CPUID: family 0x6, models 0xe, 0xf, 0x16 + CPUID: family 0x6, models 0xe, 0xf, 0x16, 0x17 Datasheet: Intel 64 and IA-32 Architectures Software Developer's Manual Volume 3A: System Programming Guide + http://softwarecommunity.intel.com/Wiki/Mobility/720.htm Author: Rudolf Marek diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index 1f34ad84c55..70239acecc8 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -413,10 +413,10 @@ static int __init coretemp_init(void) for_each_online_cpu(i) { struct cpuinfo_x86 *c = &cpu_data(i); - /* check if family 6, models e, f, 16 */ + /* check if family 6, models 0xe, 0xf, 0x16, 0x17 */ if ((c->cpuid_level < 0) || (c->x86 != 0x6) || !((c->x86_model == 0xe) || (c->x86_model == 0xf) || - (c->x86_model == 0x16))) { + (c->x86_model == 0x16) || (c->x86_model == 0x17))) { /* supported CPU not found, but report the unknown family 6 CPU */ -- cgit v1.2.3 From a9254475bbfbed5f0596d952c6a3c9806e19dd0b Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 29 Jan 2008 18:32:35 -0300 Subject: V4L/DVB (7115): Fix bug #9833: regression when compiling V4L without I2C Adrian Bunk reported: > > Commit 8ffbc6559493c64d6194c92d856196fdaeb8a5fb causes the following > > compile error with CONFIG_VIDEO_DEV=y/m, CONFIG_I2C=n: > > > > <-- snip --> > > > > ... > > MODPOST 26 modules > > ERROR: "i2c_attach_client" [drivers/media/video/v4l2-common.ko] undefined! > > make[2]: *** [__modpost] Error 1 > > > > <-- snip --> ... And what should happen if CONFIG_VIDEO_DEV=y, CONFIG_I2C=m? CC: Adrian Bunk Signed-off-by: Mauro Carvalho Chehab --- drivers/media/Kconfig | 5 +++++ drivers/media/video/Makefile | 5 +++-- drivers/media/video/v4l2-common.c | 38 ++++++++++++++++---------------------- 3 files changed, 24 insertions(+), 24 deletions(-) (limited to 'drivers') diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig index 8f4a45346de..707b20d7efb 100644 --- a/drivers/media/Kconfig +++ b/drivers/media/Kconfig @@ -25,6 +25,11 @@ config VIDEO_DEV To compile this driver as a module, choose M here: the module will be called videodev. +config VIDEO_V4L2_COMMON + tristate + depends on (I2C || I2C=n) && VIDEO_DEV + default (I2C || I2C=n) && VIDEO_DEV + config VIDEO_V4L1 bool "Enable Video For Linux API 1 (DEPRECATED)" depends on VIDEO_DEV diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile index 850b8c6f457..3f209b32eea 100644 --- a/drivers/media/video/Makefile +++ b/drivers/media/video/Makefile @@ -10,8 +10,9 @@ msp3400-objs := msp3400-driver.o msp3400-kthreads.o stkwebcam-objs := stk-webcam.o stk-sensor.o -obj-$(CONFIG_VIDEO_DEV) += videodev.o v4l2-common.o compat_ioctl32.o \ - v4l2-int-device.o +obj-$(CONFIG_VIDEO_DEV) += videodev.o compat_ioctl32.o v4l2-int-device.o + +obj-$(CONFIG_VIDEO_V4L2_COMMON) += v4l2-common.o ifeq ($(CONFIG_VIDEO_V4L1_COMPAT),y) obj-$(CONFIG_VIDEO_DEV) += v4l1-compat.o diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index c056ff6d810..74d0a599669 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -973,6 +973,18 @@ u32 v4l2_ctrl_next(const u32 * const * ctrl_classes, u32 id) return **ctrl_classes; } +int v4l2_chip_match_host(u32 match_type, u32 match_chip) +{ + switch (match_type) { + case V4L2_CHIP_MATCH_HOST: + return match_chip == 0; + default: + return 0; + } +} +EXPORT_SYMBOL(v4l2_chip_match_host); + +#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE)) int v4l2_chip_match_i2c_client(struct i2c_client *c, u32 match_type, u32 match_chip) { switch (match_type) { @@ -984,6 +996,7 @@ int v4l2_chip_match_i2c_client(struct i2c_client *c, u32 match_type, u32 match_c return 0; } } +EXPORT_SYMBOL(v4l2_chip_match_i2c_client); int v4l2_chip_ident_i2c_client(struct i2c_client *c, struct v4l2_chip_ident *chip, u32 ident, u32 revision) @@ -1000,16 +1013,7 @@ int v4l2_chip_ident_i2c_client(struct i2c_client *c, struct v4l2_chip_ident *chi } return 0; } - -int v4l2_chip_match_host(u32 match_type, u32 match_chip) -{ - switch (match_type) { - case V4L2_CHIP_MATCH_HOST: - return match_chip == 0; - default: - return 0; - } -} +EXPORT_SYMBOL(v4l2_chip_ident_i2c_client); /* ----------------------------------------------------------------- */ @@ -1038,6 +1042,8 @@ int v4l2_i2c_attach(struct i2c_adapter *adapter, int address, struct i2c_driver } return err != -ENOMEM ? 0 : err; } +EXPORT_SYMBOL(v4l2_i2c_attach); +#endif /* ----------------------------------------------------------------- */ @@ -1061,15 +1067,3 @@ EXPORT_SYMBOL(v4l2_ctrl_get_menu); EXPORT_SYMBOL(v4l2_ctrl_query_menu); EXPORT_SYMBOL(v4l2_ctrl_query_fill); EXPORT_SYMBOL(v4l2_ctrl_query_fill_std); - -EXPORT_SYMBOL(v4l2_chip_match_i2c_client); -EXPORT_SYMBOL(v4l2_chip_ident_i2c_client); -EXPORT_SYMBOL(v4l2_chip_match_host); - -EXPORT_SYMBOL(v4l2_i2c_attach); - -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ -- cgit v1.2.3 From 1a4e30c3eaffb83218977477bb83d54316844acb Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Thu, 31 Jan 2008 13:15:52 -0300 Subject: V4L/DVB (7119): Remove obsolete code from v4l2-common Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/v4l2-common.c | 6 ------ 1 file changed, 6 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index 74d0a599669..4a8fc170138 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -81,7 +81,6 @@ MODULE_LICENSE("GPL"); * Video Standard Operations (contributed by Michael Schimek) */ - char *v4l2_norm_to_name(v4l2_std_id id) { char *name; @@ -270,9 +269,6 @@ char *v4l2_type_names[] = { [V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY] = "video-out-over", }; - -#define prt_names(a,arr) (((a)>=0)&&((a) Date: Sat, 2 Feb 2008 11:25:31 -0300 Subject: V4L/DVB (7133): Fix Kconfig dependencies As pointed by Adrian Bunk, with I2C=m and VIDEO_DEV=y, videodev brokes. This patch moves the functions that videodev needs from v4l2-common. It also fixes some Kconfig changes. After this patch, I2C=m / VIDEO_DEV=y will make v4l2 core statically linked into kernel. v4l2-common will be m, and all V4L drivers will also be m. This approach is very conservative, since it is possible to have V4L drivers that don't need I2C or v4l2-common. The better is to map what drivers really need v4l2-common, making them to select v4l2-common, and allowing the others to be 'y', 'm' and 'n'. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/Kconfig | 11 +- drivers/media/common/Kconfig | 2 +- drivers/media/radio/Kconfig | 4 +- drivers/media/video/Kconfig | 4 +- drivers/media/video/v4l2-common.c | 351 ++---------------------------- drivers/media/video/videodev.c | 444 +++++++++++++++++++++++++++++++++----- include/media/v4l2-common.h | 2 - include/media/v4l2-dev.h | 2 + 8 files changed, 409 insertions(+), 411 deletions(-) (limited to 'drivers') diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig index 707b20d7efb..888dcadff71 100644 --- a/drivers/media/Kconfig +++ b/drivers/media/Kconfig @@ -32,9 +32,9 @@ config VIDEO_V4L2_COMMON config VIDEO_V4L1 bool "Enable Video For Linux API 1 (DEPRECATED)" - depends on VIDEO_DEV + depends on VIDEO_DEV && VIDEO_V4L2_COMMON + default VIDEO_DEV && VIDEO_V4L2_COMMON select VIDEO_V4L1_COMPAT - default y ---help--- Enables a compatibility API used by most V4L2 devices to allow its usage with legacy applications that supports only V4L1 api. @@ -44,7 +44,7 @@ config VIDEO_V4L1 config VIDEO_V4L1_COMPAT bool "Enable Video For Linux API 1 compatible Layer" depends on VIDEO_DEV - default y + default VIDEO_DEV ---help--- This api were developed to be used at Kernel 2.2 and 2.4, but lacks support for several video standards. There are several @@ -60,8 +60,8 @@ config VIDEO_V4L1_COMPAT config VIDEO_V4L2 bool - depends on VIDEO_DEV - default y + depends on VIDEO_DEV && VIDEO_V4L2_COMMON + default VIDEO_DEV && VIDEO_V4L2_COMMON source "drivers/media/video/Kconfig" @@ -185,7 +185,6 @@ config VIDEO_TVEEPROM config DAB boolean "DAB adapters" - default y ---help--- Allow selecting support for for Digital Audio Broadcasting (DAB) Receiver adapters. diff --git a/drivers/media/common/Kconfig b/drivers/media/common/Kconfig index 06ca75911b7..769c6f8142d 100644 --- a/drivers/media/common/Kconfig +++ b/drivers/media/common/Kconfig @@ -4,6 +4,6 @@ config VIDEO_SAA7146 config VIDEO_SAA7146_VV tristate - depends on VIDEO_DEV + depends on VIDEO_V4L2 select VIDEOBUF_DMA_SG select VIDEO_SAA7146 diff --git a/drivers/media/radio/Kconfig b/drivers/media/radio/Kconfig index 8d5214f18cf..1b41b3f77cf 100644 --- a/drivers/media/radio/Kconfig +++ b/drivers/media/radio/Kconfig @@ -4,12 +4,12 @@ menuconfig RADIO_ADAPTERS bool "Radio Adapters" - depends on VIDEO_DEV + depends on VIDEO_V4L2 default y ---help--- Say Y here to enable selecting AM/FM radio adapters. -if RADIO_ADAPTERS && VIDEO_DEV +if RADIO_ADAPTERS && VIDEO_V4L2 config RADIO_CADET tristate "ADS Cadet AM/FM Tuner" diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index a2e8987a619..37072a21d8c 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -4,14 +4,14 @@ menuconfig VIDEO_CAPTURE_DRIVERS bool "Video capture adapters" - depends on VIDEO_DEV + depends on VIDEO_V4L2 default y ---help--- Say Y here to enable selecting the video adapters for webcams, analog TV, and hybrid analog/digital TV. Some of those devices also supports FM radio. -if VIDEO_CAPTURE_DRIVERS && VIDEO_DEV +if VIDEO_CAPTURE_DRIVERS && VIDEO_V4L2 config VIDEO_ADV_DEBUG bool "Enable advanced debug functionality" diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index 4a8fc170138..34deb68ae56 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -56,7 +56,6 @@ #include #include #include -#include #define __OLD_VIDIOC_ /* To allow fixing old calls*/ #include #include @@ -81,107 +80,6 @@ MODULE_LICENSE("GPL"); * Video Standard Operations (contributed by Michael Schimek) */ -char *v4l2_norm_to_name(v4l2_std_id id) -{ - char *name; - u32 myid = id; - - /* HACK: ppc32 architecture doesn't have __ucmpdi2 function to handle - 64 bit comparations. So, on that architecture, with some gcc variants, - compilation fails. Currently, the max value is 30bit wide. - */ - BUG_ON(myid != id); - - switch (myid) { - case V4L2_STD_PAL: - name="PAL"; break; - case V4L2_STD_PAL_BG: - name="PAL-BG"; break; - case V4L2_STD_PAL_DK: - name="PAL-DK"; break; - case V4L2_STD_PAL_B: - name="PAL-B"; break; - case V4L2_STD_PAL_B1: - name="PAL-B1"; break; - case V4L2_STD_PAL_G: - name="PAL-G"; break; - case V4L2_STD_PAL_H: - name="PAL-H"; break; - case V4L2_STD_PAL_I: - name="PAL-I"; break; - case V4L2_STD_PAL_D: - name="PAL-D"; break; - case V4L2_STD_PAL_D1: - name="PAL-D1"; break; - case V4L2_STD_PAL_K: - name="PAL-K"; break; - case V4L2_STD_PAL_M: - name="PAL-M"; break; - case V4L2_STD_PAL_N: - name="PAL-N"; break; - case V4L2_STD_PAL_Nc: - name="PAL-Nc"; break; - case V4L2_STD_PAL_60: - name="PAL-60"; break; - case V4L2_STD_NTSC: - name="NTSC"; break; - case V4L2_STD_NTSC_M: - name="NTSC-M"; break; - case V4L2_STD_NTSC_M_JP: - name="NTSC-M-JP"; break; - case V4L2_STD_NTSC_443: - name="NTSC-443"; break; - case V4L2_STD_NTSC_M_KR: - name="NTSC-M-KR"; break; - case V4L2_STD_SECAM: - name="SECAM"; break; - case V4L2_STD_SECAM_DK: - name="SECAM-DK"; break; - case V4L2_STD_SECAM_B: - name="SECAM-B"; break; - case V4L2_STD_SECAM_D: - name="SECAM-D"; break; - case V4L2_STD_SECAM_G: - name="SECAM-G"; break; - case V4L2_STD_SECAM_H: - name="SECAM-H"; break; - case V4L2_STD_SECAM_K: - name="SECAM-K"; break; - case V4L2_STD_SECAM_K1: - name="SECAM-K1"; break; - case V4L2_STD_SECAM_L: - name="SECAM-L"; break; - case V4L2_STD_SECAM_LC: - name="SECAM-LC"; break; - default: - name="Unknown"; break; - } - - return name; -} - -/* Fill in the fields of a v4l2_standard structure according to the - 'id' and 'transmission' parameters. Returns negative on error. */ -int v4l2_video_std_construct(struct v4l2_standard *vs, - int id, char *name) -{ - u32 index = vs->index; - - memset(vs, 0, sizeof(struct v4l2_standard)); - vs->index = index; - vs->id = id; - if (id & V4L2_STD_525_60) { - vs->frameperiod.numerator = 1001; - vs->frameperiod.denominator = 30000; - vs->framelines = 525; - } else { - vs->frameperiod.numerator = 1; - vs->frameperiod.denominator = 25; - vs->framelines = 625; - } - strlcpy(vs->name,name,sizeof(vs->name)); - return 0; -} /* ----------------------------------------------------------------- */ /* priority handling */ @@ -195,6 +93,7 @@ int v4l2_prio_init(struct v4l2_prio_state *global) memset(global,0,sizeof(*global)); return 0; } +EXPORT_SYMBOL(v4l2_prio_init); int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local, enum v4l2_priority new) @@ -210,11 +109,13 @@ int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local, *local = new; return 0; } +EXPORT_SYMBOL(v4l2_prio_change); int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local) { return v4l2_prio_change(global,local,V4L2_PRIORITY_DEFAULT); } +EXPORT_SYMBOL(v4l2_prio_open); int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local) { @@ -222,6 +123,7 @@ int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local) atomic_dec(&global->prios[*local]); return 0; } +EXPORT_SYMBOL(v4l2_prio_close); enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global) { @@ -233,6 +135,7 @@ enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global) return V4L2_PRIORITY_BACKGROUND; return V4L2_PRIORITY_UNSET; } +EXPORT_SYMBOL(v4l2_prio_max); int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local) { @@ -240,220 +143,7 @@ int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local) return -EBUSY; return 0; } - - -/* ----------------------------------------------------------------- */ -/* some arrays for pretty-printing debug messages of enum types */ - -char *v4l2_field_names[] = { - [V4L2_FIELD_ANY] = "any", - [V4L2_FIELD_NONE] = "none", - [V4L2_FIELD_TOP] = "top", - [V4L2_FIELD_BOTTOM] = "bottom", - [V4L2_FIELD_INTERLACED] = "interlaced", - [V4L2_FIELD_SEQ_TB] = "seq-tb", - [V4L2_FIELD_SEQ_BT] = "seq-bt", - [V4L2_FIELD_ALTERNATE] = "alternate", - [V4L2_FIELD_INTERLACED_TB] = "interlaced-tb", - [V4L2_FIELD_INTERLACED_BT] = "interlaced-bt", -}; - -char *v4l2_type_names[] = { - [V4L2_BUF_TYPE_VIDEO_CAPTURE] = "video-cap", - [V4L2_BUF_TYPE_VIDEO_OVERLAY] = "video-over", - [V4L2_BUF_TYPE_VIDEO_OUTPUT] = "video-out", - [V4L2_BUF_TYPE_VBI_CAPTURE] = "vbi-cap", - [V4L2_BUF_TYPE_VBI_OUTPUT] = "vbi-out", - [V4L2_BUF_TYPE_SLICED_VBI_CAPTURE] = "sliced-vbi-cap", - [V4L2_BUF_TYPE_SLICED_VBI_OUTPUT] = "sliced-vbi-out", - [V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY] = "video-out-over", -}; - -/* ------------------------------------------------------------------ */ -/* debug help functions */ - -#ifdef CONFIG_VIDEO_V4L1_COMPAT -static const char *v4l1_ioctls[] = { - [_IOC_NR(VIDIOCGCAP)] = "VIDIOCGCAP", - [_IOC_NR(VIDIOCGCHAN)] = "VIDIOCGCHAN", - [_IOC_NR(VIDIOCSCHAN)] = "VIDIOCSCHAN", - [_IOC_NR(VIDIOCGTUNER)] = "VIDIOCGTUNER", - [_IOC_NR(VIDIOCSTUNER)] = "VIDIOCSTUNER", - [_IOC_NR(VIDIOCGPICT)] = "VIDIOCGPICT", - [_IOC_NR(VIDIOCSPICT)] = "VIDIOCSPICT", - [_IOC_NR(VIDIOCCAPTURE)] = "VIDIOCCAPTURE", - [_IOC_NR(VIDIOCGWIN)] = "VIDIOCGWIN", - [_IOC_NR(VIDIOCSWIN)] = "VIDIOCSWIN", - [_IOC_NR(VIDIOCGFBUF)] = "VIDIOCGFBUF", - [_IOC_NR(VIDIOCSFBUF)] = "VIDIOCSFBUF", - [_IOC_NR(VIDIOCKEY)] = "VIDIOCKEY", - [_IOC_NR(VIDIOCGFREQ)] = "VIDIOCGFREQ", - [_IOC_NR(VIDIOCSFREQ)] = "VIDIOCSFREQ", - [_IOC_NR(VIDIOCGAUDIO)] = "VIDIOCGAUDIO", - [_IOC_NR(VIDIOCSAUDIO)] = "VIDIOCSAUDIO", - [_IOC_NR(VIDIOCSYNC)] = "VIDIOCSYNC", - [_IOC_NR(VIDIOCMCAPTURE)] = "VIDIOCMCAPTURE", - [_IOC_NR(VIDIOCGMBUF)] = "VIDIOCGMBUF", - [_IOC_NR(VIDIOCGUNIT)] = "VIDIOCGUNIT", - [_IOC_NR(VIDIOCGCAPTURE)] = "VIDIOCGCAPTURE", - [_IOC_NR(VIDIOCSCAPTURE)] = "VIDIOCSCAPTURE", - [_IOC_NR(VIDIOCSPLAYMODE)] = "VIDIOCSPLAYMODE", - [_IOC_NR(VIDIOCSWRITEMODE)] = "VIDIOCSWRITEMODE", - [_IOC_NR(VIDIOCGPLAYINFO)] = "VIDIOCGPLAYINFO", - [_IOC_NR(VIDIOCSMICROCODE)] = "VIDIOCSMICROCODE", - [_IOC_NR(VIDIOCGVBIFMT)] = "VIDIOCGVBIFMT", - [_IOC_NR(VIDIOCSVBIFMT)] = "VIDIOCSVBIFMT" -}; -#define V4L1_IOCTLS ARRAY_SIZE(v4l1_ioctls) -#endif - -static const char *v4l2_ioctls[] = { - [_IOC_NR(VIDIOC_QUERYCAP)] = "VIDIOC_QUERYCAP", - [_IOC_NR(VIDIOC_RESERVED)] = "VIDIOC_RESERVED", - [_IOC_NR(VIDIOC_ENUM_FMT)] = "VIDIOC_ENUM_FMT", - [_IOC_NR(VIDIOC_G_FMT)] = "VIDIOC_G_FMT", - [_IOC_NR(VIDIOC_S_FMT)] = "VIDIOC_S_FMT", - [_IOC_NR(VIDIOC_REQBUFS)] = "VIDIOC_REQBUFS", - [_IOC_NR(VIDIOC_QUERYBUF)] = "VIDIOC_QUERYBUF", - [_IOC_NR(VIDIOC_G_FBUF)] = "VIDIOC_G_FBUF", - [_IOC_NR(VIDIOC_S_FBUF)] = "VIDIOC_S_FBUF", - [_IOC_NR(VIDIOC_OVERLAY)] = "VIDIOC_OVERLAY", - [_IOC_NR(VIDIOC_QBUF)] = "VIDIOC_QBUF", - [_IOC_NR(VIDIOC_DQBUF)] = "VIDIOC_DQBUF", - [_IOC_NR(VIDIOC_STREAMON)] = "VIDIOC_STREAMON", - [_IOC_NR(VIDIOC_STREAMOFF)] = "VIDIOC_STREAMOFF", - [_IOC_NR(VIDIOC_G_PARM)] = "VIDIOC_G_PARM", - [_IOC_NR(VIDIOC_S_PARM)] = "VIDIOC_S_PARM", - [_IOC_NR(VIDIOC_G_STD)] = "VIDIOC_G_STD", - [_IOC_NR(VIDIOC_S_STD)] = "VIDIOC_S_STD", - [_IOC_NR(VIDIOC_ENUMSTD)] = "VIDIOC_ENUMSTD", - [_IOC_NR(VIDIOC_ENUMINPUT)] = "VIDIOC_ENUMINPUT", - [_IOC_NR(VIDIOC_G_CTRL)] = "VIDIOC_G_CTRL", - [_IOC_NR(VIDIOC_S_CTRL)] = "VIDIOC_S_CTRL", - [_IOC_NR(VIDIOC_G_TUNER)] = "VIDIOC_G_TUNER", - [_IOC_NR(VIDIOC_S_TUNER)] = "VIDIOC_S_TUNER", - [_IOC_NR(VIDIOC_G_AUDIO)] = "VIDIOC_G_AUDIO", - [_IOC_NR(VIDIOC_S_AUDIO)] = "VIDIOC_S_AUDIO", - [_IOC_NR(VIDIOC_QUERYCTRL)] = "VIDIOC_QUERYCTRL", - [_IOC_NR(VIDIOC_QUERYMENU)] = "VIDIOC_QUERYMENU", - [_IOC_NR(VIDIOC_G_INPUT)] = "VIDIOC_G_INPUT", - [_IOC_NR(VIDIOC_S_INPUT)] = "VIDIOC_S_INPUT", - [_IOC_NR(VIDIOC_G_OUTPUT)] = "VIDIOC_G_OUTPUT", - [_IOC_NR(VIDIOC_S_OUTPUT)] = "VIDIOC_S_OUTPUT", - [_IOC_NR(VIDIOC_ENUMOUTPUT)] = "VIDIOC_ENUMOUTPUT", - [_IOC_NR(VIDIOC_G_AUDOUT)] = "VIDIOC_G_AUDOUT", - [_IOC_NR(VIDIOC_S_AUDOUT)] = "VIDIOC_S_AUDOUT", - [_IOC_NR(VIDIOC_G_MODULATOR)] = "VIDIOC_G_MODULATOR", - [_IOC_NR(VIDIOC_S_MODULATOR)] = "VIDIOC_S_MODULATOR", - [_IOC_NR(VIDIOC_G_FREQUENCY)] = "VIDIOC_G_FREQUENCY", - [_IOC_NR(VIDIOC_S_FREQUENCY)] = "VIDIOC_S_FREQUENCY", - [_IOC_NR(VIDIOC_CROPCAP)] = "VIDIOC_CROPCAP", - [_IOC_NR(VIDIOC_G_CROP)] = "VIDIOC_G_CROP", - [_IOC_NR(VIDIOC_S_CROP)] = "VIDIOC_S_CROP", - [_IOC_NR(VIDIOC_G_JPEGCOMP)] = "VIDIOC_G_JPEGCOMP", - [_IOC_NR(VIDIOC_S_JPEGCOMP)] = "VIDIOC_S_JPEGCOMP", - [_IOC_NR(VIDIOC_QUERYSTD)] = "VIDIOC_QUERYSTD", - [_IOC_NR(VIDIOC_TRY_FMT)] = "VIDIOC_TRY_FMT", - [_IOC_NR(VIDIOC_ENUMAUDIO)] = "VIDIOC_ENUMAUDIO", - [_IOC_NR(VIDIOC_ENUMAUDOUT)] = "VIDIOC_ENUMAUDOUT", - [_IOC_NR(VIDIOC_G_PRIORITY)] = "VIDIOC_G_PRIORITY", - [_IOC_NR(VIDIOC_S_PRIORITY)] = "VIDIOC_S_PRIORITY", - [_IOC_NR(VIDIOC_G_SLICED_VBI_CAP)] = "VIDIOC_G_SLICED_VBI_CAP", - [_IOC_NR(VIDIOC_LOG_STATUS)] = "VIDIOC_LOG_STATUS", - [_IOC_NR(VIDIOC_G_EXT_CTRLS)] = "VIDIOC_G_EXT_CTRLS", - [_IOC_NR(VIDIOC_S_EXT_CTRLS)] = "VIDIOC_S_EXT_CTRLS", - [_IOC_NR(VIDIOC_TRY_EXT_CTRLS)] = "VIDIOC_TRY_EXT_CTRLS", -#if 1 - [_IOC_NR(VIDIOC_ENUM_FRAMESIZES)] = "VIDIOC_ENUM_FRAMESIZES", - [_IOC_NR(VIDIOC_ENUM_FRAMEINTERVALS)] = "VIDIOC_ENUM_FRAMEINTERVALS", - [_IOC_NR(VIDIOC_G_ENC_INDEX)] = "VIDIOC_G_ENC_INDEX", - [_IOC_NR(VIDIOC_ENCODER_CMD)] = "VIDIOC_ENCODER_CMD", - [_IOC_NR(VIDIOC_TRY_ENCODER_CMD)] = "VIDIOC_TRY_ENCODER_CMD", - - [_IOC_NR(VIDIOC_DBG_S_REGISTER)] = "VIDIOC_DBG_S_REGISTER", - [_IOC_NR(VIDIOC_DBG_G_REGISTER)] = "VIDIOC_DBG_G_REGISTER", - - [_IOC_NR(VIDIOC_G_CHIP_IDENT)] = "VIDIOC_G_CHIP_IDENT", -#endif -}; -#define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls) - -static const char *v4l2_int_ioctls[] = { -#ifdef CONFIG_VIDEO_V4L1_COMPAT - [_IOC_NR(DECODER_GET_CAPABILITIES)] = "DECODER_GET_CAPABILITIES", - [_IOC_NR(DECODER_GET_STATUS)] = "DECODER_GET_STATUS", - [_IOC_NR(DECODER_SET_NORM)] = "DECODER_SET_NORM", - [_IOC_NR(DECODER_SET_INPUT)] = "DECODER_SET_INPUT", - [_IOC_NR(DECODER_SET_OUTPUT)] = "DECODER_SET_OUTPUT", - [_IOC_NR(DECODER_ENABLE_OUTPUT)] = "DECODER_ENABLE_OUTPUT", - [_IOC_NR(DECODER_SET_PICTURE)] = "DECODER_SET_PICTURE", - [_IOC_NR(DECODER_SET_GPIO)] = "DECODER_SET_GPIO", - [_IOC_NR(DECODER_INIT)] = "DECODER_INIT", - [_IOC_NR(DECODER_SET_VBI_BYPASS)] = "DECODER_SET_VBI_BYPASS", - [_IOC_NR(DECODER_DUMP)] = "DECODER_DUMP", -#endif - [_IOC_NR(AUDC_SET_RADIO)] = "AUDC_SET_RADIO", - - [_IOC_NR(TUNER_SET_TYPE_ADDR)] = "TUNER_SET_TYPE_ADDR", - [_IOC_NR(TUNER_SET_STANDBY)] = "TUNER_SET_STANDBY", - [_IOC_NR(TUNER_SET_CONFIG)] = "TUNER_SET_CONFIG", - - [_IOC_NR(VIDIOC_INT_S_TUNER_MODE)] = "VIDIOC_INT_S_TUNER_MODE", - [_IOC_NR(VIDIOC_INT_RESET)] = "VIDIOC_INT_RESET", - [_IOC_NR(VIDIOC_INT_AUDIO_CLOCK_FREQ)] = "VIDIOC_INT_AUDIO_CLOCK_FREQ", - [_IOC_NR(VIDIOC_INT_DECODE_VBI_LINE)] = "VIDIOC_INT_DECODE_VBI_LINE", - [_IOC_NR(VIDIOC_INT_S_VBI_DATA)] = "VIDIOC_INT_S_VBI_DATA", - [_IOC_NR(VIDIOC_INT_G_VBI_DATA)] = "VIDIOC_INT_G_VBI_DATA", - [_IOC_NR(VIDIOC_INT_I2S_CLOCK_FREQ)] = "VIDIOC_INT_I2S_CLOCK_FREQ", - [_IOC_NR(VIDIOC_INT_S_STANDBY)] = "VIDIOC_INT_S_STANDBY", - [_IOC_NR(VIDIOC_INT_S_AUDIO_ROUTING)] = "VIDIOC_INT_S_AUDIO_ROUTING", - [_IOC_NR(VIDIOC_INT_G_AUDIO_ROUTING)] = "VIDIOC_INT_G_AUDIO_ROUTING", - [_IOC_NR(VIDIOC_INT_S_VIDEO_ROUTING)] = "VIDIOC_INT_S_VIDEO_ROUTING", - [_IOC_NR(VIDIOC_INT_G_VIDEO_ROUTING)] = "VIDIOC_INT_G_VIDEO_ROUTING", - [_IOC_NR(VIDIOC_INT_S_CRYSTAL_FREQ)] = "VIDIOC_INT_S_CRYSTAL_FREQ", - [_IOC_NR(VIDIOC_INT_INIT)] = "VIDIOC_INT_INIT", - [_IOC_NR(VIDIOC_INT_G_STD_OUTPUT)] = "VIDIOC_INT_G_STD_OUTPUT", - [_IOC_NR(VIDIOC_INT_S_STD_OUTPUT)] = "VIDIOC_INT_S_STD_OUTPUT", -}; -#define V4L2_INT_IOCTLS ARRAY_SIZE(v4l2_int_ioctls) - -/* Common ioctl debug function. This function can be used by - external ioctl messages as well as internal V4L ioctl */ -void v4l_printk_ioctl(unsigned int cmd) -{ - char *dir; - - switch (_IOC_DIR(cmd)) { - case _IOC_NONE: dir = "--"; break; - case _IOC_READ: dir = "r-"; break; - case _IOC_WRITE: dir = "-w"; break; - case _IOC_READ | _IOC_WRITE: dir = "rw"; break; - default: dir = "*ERR*"; break; - } - switch (_IOC_TYPE(cmd)) { - case 'd': - printk("v4l2_int ioctl %s, dir=%s (0x%08x)\n", - (_IOC_NR(cmd) < V4L2_INT_IOCTLS) ? - v4l2_int_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd); - break; -#ifdef CONFIG_VIDEO_V4L1_COMPAT - case 'v': - printk("v4l1 ioctl %s, dir=%s (0x%08x)\n", - (_IOC_NR(cmd) < V4L1_IOCTLS) ? - v4l1_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd); - break; -#endif - case 'V': - printk("v4l2 ioctl %s, dir=%s (0x%08x)\n", - (_IOC_NR(cmd) < V4L2_IOCTLS) ? - v4l2_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd); - break; - - default: - printk("unknown ioctl '%c', dir=%s, #%d (0x%08x)\n", - _IOC_TYPE(cmd), dir, _IOC_NR(cmd), cmd); - } -} +EXPORT_SYMBOL(v4l2_prio_check); /* ----------------------------------------------------------------- */ @@ -482,6 +172,7 @@ int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl *qctrl, } return 0; } +EXPORT_SYMBOL(v4l2_ctrl_check); /* Returns NULL or a character pointer array containing the menu for the given control ID. The pointer array ends with a NULL pointer. @@ -642,6 +333,7 @@ const char **v4l2_ctrl_get_menu(u32 id) return NULL; } } +EXPORT_SYMBOL(v4l2_ctrl_get_menu); /* Fill in a struct v4l2_queryctrl */ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 step, s32 def) @@ -764,6 +456,7 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste snprintf(qctrl->name, sizeof(qctrl->name), name); return 0; } +EXPORT_SYMBOL(v4l2_ctrl_query_fill); /* Fill in a struct v4l2_queryctrl with standard values based on the control ID. */ @@ -898,6 +591,7 @@ int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl) return -EINVAL; } } +EXPORT_SYMBOL(v4l2_ctrl_query_fill_std); /* Fill in a struct v4l2_querymenu based on the struct v4l2_queryctrl and the menu. The qctrl pointer may be NULL, in which case it is ignored. */ @@ -916,6 +610,7 @@ int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu, struct v4l2_queryctrl *qc qmenu->reserved = 0; return 0; } +EXPORT_SYMBOL(v4l2_ctrl_query_menu); /* ctrl_classes points to an array of u32 pointers, the last element is a NULL pointer. Each u32 array is a 0-terminated array of control IDs. @@ -966,6 +661,7 @@ u32 v4l2_ctrl_next(const u32 * const * ctrl_classes, u32 id) return 0; return **ctrl_classes; } +EXPORT_SYMBOL(v4l2_ctrl_next); int v4l2_chip_match_host(u32 match_type, u32 match_chip) { @@ -1038,26 +734,3 @@ int v4l2_i2c_attach(struct i2c_adapter *adapter, int address, struct i2c_driver } EXPORT_SYMBOL(v4l2_i2c_attach); #endif - -/* ----------------------------------------------------------------- */ - -EXPORT_SYMBOL(v4l2_norm_to_name); -EXPORT_SYMBOL(v4l2_video_std_construct); - -EXPORT_SYMBOL(v4l2_prio_init); -EXPORT_SYMBOL(v4l2_prio_change); -EXPORT_SYMBOL(v4l2_prio_open); -EXPORT_SYMBOL(v4l2_prio_close); -EXPORT_SYMBOL(v4l2_prio_max); -EXPORT_SYMBOL(v4l2_prio_check); - -EXPORT_SYMBOL(v4l2_field_names); -EXPORT_SYMBOL(v4l2_type_names); -EXPORT_SYMBOL(v4l_printk_ioctl); - -EXPORT_SYMBOL(v4l2_ctrl_next); -EXPORT_SYMBOL(v4l2_ctrl_check); -EXPORT_SYMBOL(v4l2_ctrl_get_menu); -EXPORT_SYMBOL(v4l2_ctrl_query_menu); -EXPORT_SYMBOL(v4l2_ctrl_query_fill); -EXPORT_SYMBOL(v4l2_ctrl_query_fill_std); diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c index 28655f8983c..0d9b63762a4 100644 --- a/drivers/media/video/videodev.c +++ b/drivers/media/video/videodev.c @@ -46,10 +46,373 @@ #include #endif #include +#include #define VIDEO_NUM_DEVICES 256 #define VIDEO_NAME "video4linux" +/* video4linux standard ID conversion to standard name + */ +char *v4l2_norm_to_name(v4l2_std_id id) +{ + char *name; + u32 myid = id; + + /* HACK: ppc32 architecture doesn't have __ucmpdi2 function to handle + 64 bit comparations. So, on that architecture, with some gcc + variants, compilation fails. Currently, the max value is 30bit wide. + */ + BUG_ON(myid != id); + + switch (myid) { + case V4L2_STD_PAL: + name = "PAL"; + break; + case V4L2_STD_PAL_BG: + name = "PAL-BG"; + break; + case V4L2_STD_PAL_DK: + name = "PAL-DK"; + break; + case V4L2_STD_PAL_B: + name = "PAL-B"; + break; + case V4L2_STD_PAL_B1: + name = "PAL-B1"; + break; + case V4L2_STD_PAL_G: + name = "PAL-G"; + break; + case V4L2_STD_PAL_H: + name = "PAL-H"; + break; + case V4L2_STD_PAL_I: + name = "PAL-I"; + break; + case V4L2_STD_PAL_D: + name = "PAL-D"; + break; + case V4L2_STD_PAL_D1: + name = "PAL-D1"; + break; + case V4L2_STD_PAL_K: + name = "PAL-K"; + break; + case V4L2_STD_PAL_M: + name = "PAL-M"; + break; + case V4L2_STD_PAL_N: + name = "PAL-N"; + break; + case V4L2_STD_PAL_Nc: + name = "PAL-Nc"; + break; + case V4L2_STD_PAL_60: + name = "PAL-60"; + break; + case V4L2_STD_NTSC: + name = "NTSC"; + break; + case V4L2_STD_NTSC_M: + name = "NTSC-M"; + break; + case V4L2_STD_NTSC_M_JP: + name = "NTSC-M-JP"; + break; + case V4L2_STD_NTSC_443: + name = "NTSC-443"; + break; + case V4L2_STD_NTSC_M_KR: + name = "NTSC-M-KR"; + break; + case V4L2_STD_SECAM: + name = "SECAM"; + break; + case V4L2_STD_SECAM_DK: + name = "SECAM-DK"; + break; + case V4L2_STD_SECAM_B: + name = "SECAM-B"; + break; + case V4L2_STD_SECAM_D: + name = "SECAM-D"; + break; + case V4L2_STD_SECAM_G: + name = "SECAM-G"; + break; + case V4L2_STD_SECAM_H: + name = "SECAM-H"; + break; + case V4L2_STD_SECAM_K: + name = "SECAM-K"; + break; + case V4L2_STD_SECAM_K1: + name = "SECAM-K1"; + break; + case V4L2_STD_SECAM_L: + name = "SECAM-L"; + break; + case V4L2_STD_SECAM_LC: + name = "SECAM-LC"; + break; + default: + name = "Unknown"; + break; + } + + return name; +} +EXPORT_SYMBOL(v4l2_norm_to_name); + +/* Fill in the fields of a v4l2_standard structure according to the + 'id' and 'transmission' parameters. Returns negative on error. */ +int v4l2_video_std_construct(struct v4l2_standard *vs, + int id, char *name) +{ + u32 index = vs->index; + + memset(vs, 0, sizeof(struct v4l2_standard)); + vs->index = index; + vs->id = id; + if (id & V4L2_STD_525_60) { + vs->frameperiod.numerator = 1001; + vs->frameperiod.denominator = 30000; + vs->framelines = 525; + } else { + vs->frameperiod.numerator = 1; + vs->frameperiod.denominator = 25; + vs->framelines = 625; + } + strlcpy(vs->name, name, sizeof(vs->name)); + return 0; +} +EXPORT_SYMBOL(v4l2_video_std_construct); + +/* ----------------------------------------------------------------- */ +/* some arrays for pretty-printing debug messages of enum types */ + +char *v4l2_field_names[] = { + [V4L2_FIELD_ANY] = "any", + [V4L2_FIELD_NONE] = "none", + [V4L2_FIELD_TOP] = "top", + [V4L2_FIELD_BOTTOM] = "bottom", + [V4L2_FIELD_INTERLACED] = "interlaced", + [V4L2_FIELD_SEQ_TB] = "seq-tb", + [V4L2_FIELD_SEQ_BT] = "seq-bt", + [V4L2_FIELD_ALTERNATE] = "alternate", + [V4L2_FIELD_INTERLACED_TB] = "interlaced-tb", + [V4L2_FIELD_INTERLACED_BT] = "interlaced-bt", +}; +EXPORT_SYMBOL(v4l2_field_names); + +char *v4l2_type_names[] = { + [V4L2_BUF_TYPE_VIDEO_CAPTURE] = "video-cap", + [V4L2_BUF_TYPE_VIDEO_OVERLAY] = "video-over", + [V4L2_BUF_TYPE_VIDEO_OUTPUT] = "video-out", + [V4L2_BUF_TYPE_VBI_CAPTURE] = "vbi-cap", + [V4L2_BUF_TYPE_VBI_OUTPUT] = "vbi-out", + [V4L2_BUF_TYPE_SLICED_VBI_CAPTURE] = "sliced-vbi-cap", + [V4L2_BUF_TYPE_SLICED_VBI_OUTPUT] = "sliced-vbi-out", + [V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY] = "video-out-over", +}; +EXPORT_SYMBOL(v4l2_type_names); + +static char *v4l2_memory_names[] = { + [V4L2_MEMORY_MMAP] = "mmap", + [V4L2_MEMORY_USERPTR] = "userptr", + [V4L2_MEMORY_OVERLAY] = "overlay", +}; + +#define prt_names(a, arr) ((((a) >= 0) && ((a) < ARRAY_SIZE(arr))) ? \ + arr[a] : "unknown") + +/* ------------------------------------------------------------------ */ +/* debug help functions */ + +#ifdef CONFIG_VIDEO_V4L1_COMPAT +static const char *v4l1_ioctls[] = { + [_IOC_NR(VIDIOCGCAP)] = "VIDIOCGCAP", + [_IOC_NR(VIDIOCGCHAN)] = "VIDIOCGCHAN", + [_IOC_NR(VIDIOCSCHAN)] = "VIDIOCSCHAN", + [_IOC_NR(VIDIOCGTUNER)] = "VIDIOCGTUNER", + [_IOC_NR(VIDIOCSTUNER)] = "VIDIOCSTUNER", + [_IOC_NR(VIDIOCGPICT)] = "VIDIOCGPICT", + [_IOC_NR(VIDIOCSPICT)] = "VIDIOCSPICT", + [_IOC_NR(VIDIOCCAPTURE)] = "VIDIOCCAPTURE", + [_IOC_NR(VIDIOCGWIN)] = "VIDIOCGWIN", + [_IOC_NR(VIDIOCSWIN)] = "VIDIOCSWIN", + [_IOC_NR(VIDIOCGFBUF)] = "VIDIOCGFBUF", + [_IOC_NR(VIDIOCSFBUF)] = "VIDIOCSFBUF", + [_IOC_NR(VIDIOCKEY)] = "VIDIOCKEY", + [_IOC_NR(VIDIOCGFREQ)] = "VIDIOCGFREQ", + [_IOC_NR(VIDIOCSFREQ)] = "VIDIOCSFREQ", + [_IOC_NR(VIDIOCGAUDIO)] = "VIDIOCGAUDIO", + [_IOC_NR(VIDIOCSAUDIO)] = "VIDIOCSAUDIO", + [_IOC_NR(VIDIOCSYNC)] = "VIDIOCSYNC", + [_IOC_NR(VIDIOCMCAPTURE)] = "VIDIOCMCAPTURE", + [_IOC_NR(VIDIOCGMBUF)] = "VIDIOCGMBUF", + [_IOC_NR(VIDIOCGUNIT)] = "VIDIOCGUNIT", + [_IOC_NR(VIDIOCGCAPTURE)] = "VIDIOCGCAPTURE", + [_IOC_NR(VIDIOCSCAPTURE)] = "VIDIOCSCAPTURE", + [_IOC_NR(VIDIOCSPLAYMODE)] = "VIDIOCSPLAYMODE", + [_IOC_NR(VIDIOCSWRITEMODE)] = "VIDIOCSWRITEMODE", + [_IOC_NR(VIDIOCGPLAYINFO)] = "VIDIOCGPLAYINFO", + [_IOC_NR(VIDIOCSMICROCODE)] = "VIDIOCSMICROCODE", + [_IOC_NR(VIDIOCGVBIFMT)] = "VIDIOCGVBIFMT", + [_IOC_NR(VIDIOCSVBIFMT)] = "VIDIOCSVBIFMT" +}; +#define V4L1_IOCTLS ARRAY_SIZE(v4l1_ioctls) +#endif + +static const char *v4l2_ioctls[] = { + [_IOC_NR(VIDIOC_QUERYCAP)] = "VIDIOC_QUERYCAP", + [_IOC_NR(VIDIOC_RESERVED)] = "VIDIOC_RESERVED", + [_IOC_NR(VIDIOC_ENUM_FMT)] = "VIDIOC_ENUM_FMT", + [_IOC_NR(VIDIOC_G_FMT)] = "VIDIOC_G_FMT", + [_IOC_NR(VIDIOC_S_FMT)] = "VIDIOC_S_FMT", + [_IOC_NR(VIDIOC_REQBUFS)] = "VIDIOC_REQBUFS", + [_IOC_NR(VIDIOC_QUERYBUF)] = "VIDIOC_QUERYBUF", + [_IOC_NR(VIDIOC_G_FBUF)] = "VIDIOC_G_FBUF", + [_IOC_NR(VIDIOC_S_FBUF)] = "VIDIOC_S_FBUF", + [_IOC_NR(VIDIOC_OVERLAY)] = "VIDIOC_OVERLAY", + [_IOC_NR(VIDIOC_QBUF)] = "VIDIOC_QBUF", + [_IOC_NR(VIDIOC_DQBUF)] = "VIDIOC_DQBUF", + [_IOC_NR(VIDIOC_STREAMON)] = "VIDIOC_STREAMON", + [_IOC_NR(VIDIOC_STREAMOFF)] = "VIDIOC_STREAMOFF", + [_IOC_NR(VIDIOC_G_PARM)] = "VIDIOC_G_PARM", + [_IOC_NR(VIDIOC_S_PARM)] = "VIDIOC_S_PARM", + [_IOC_NR(VIDIOC_G_STD)] = "VIDIOC_G_STD", + [_IOC_NR(VIDIOC_S_STD)] = "VIDIOC_S_STD", + [_IOC_NR(VIDIOC_ENUMSTD)] = "VIDIOC_ENUMSTD", + [_IOC_NR(VIDIOC_ENUMINPUT)] = "VIDIOC_ENUMINPUT", + [_IOC_NR(VIDIOC_G_CTRL)] = "VIDIOC_G_CTRL", + [_IOC_NR(VIDIOC_S_CTRL)] = "VIDIOC_S_CTRL", + [_IOC_NR(VIDIOC_G_TUNER)] = "VIDIOC_G_TUNER", + [_IOC_NR(VIDIOC_S_TUNER)] = "VIDIOC_S_TUNER", + [_IOC_NR(VIDIOC_G_AUDIO)] = "VIDIOC_G_AUDIO", + [_IOC_NR(VIDIOC_S_AUDIO)] = "VIDIOC_S_AUDIO", + [_IOC_NR(VIDIOC_QUERYCTRL)] = "VIDIOC_QUERYCTRL", + [_IOC_NR(VIDIOC_QUERYMENU)] = "VIDIOC_QUERYMENU", + [_IOC_NR(VIDIOC_G_INPUT)] = "VIDIOC_G_INPUT", + [_IOC_NR(VIDIOC_S_INPUT)] = "VIDIOC_S_INPUT", + [_IOC_NR(VIDIOC_G_OUTPUT)] = "VIDIOC_G_OUTPUT", + [_IOC_NR(VIDIOC_S_OUTPUT)] = "VIDIOC_S_OUTPUT", + [_IOC_NR(VIDIOC_ENUMOUTPUT)] = "VIDIOC_ENUMOUTPUT", + [_IOC_NR(VIDIOC_G_AUDOUT)] = "VIDIOC_G_AUDOUT", + [_IOC_NR(VIDIOC_S_AUDOUT)] = "VIDIOC_S_AUDOUT", + [_IOC_NR(VIDIOC_G_MODULATOR)] = "VIDIOC_G_MODULATOR", + [_IOC_NR(VIDIOC_S_MODULATOR)] = "VIDIOC_S_MODULATOR", + [_IOC_NR(VIDIOC_G_FREQUENCY)] = "VIDIOC_G_FREQUENCY", + [_IOC_NR(VIDIOC_S_FREQUENCY)] = "VIDIOC_S_FREQUENCY", + [_IOC_NR(VIDIOC_CROPCAP)] = "VIDIOC_CROPCAP", + [_IOC_NR(VIDIOC_G_CROP)] = "VIDIOC_G_CROP", + [_IOC_NR(VIDIOC_S_CROP)] = "VIDIOC_S_CROP", + [_IOC_NR(VIDIOC_G_JPEGCOMP)] = "VIDIOC_G_JPEGCOMP", + [_IOC_NR(VIDIOC_S_JPEGCOMP)] = "VIDIOC_S_JPEGCOMP", + [_IOC_NR(VIDIOC_QUERYSTD)] = "VIDIOC_QUERYSTD", + [_IOC_NR(VIDIOC_TRY_FMT)] = "VIDIOC_TRY_FMT", + [_IOC_NR(VIDIOC_ENUMAUDIO)] = "VIDIOC_ENUMAUDIO", + [_IOC_NR(VIDIOC_ENUMAUDOUT)] = "VIDIOC_ENUMAUDOUT", + [_IOC_NR(VIDIOC_G_PRIORITY)] = "VIDIOC_G_PRIORITY", + [_IOC_NR(VIDIOC_S_PRIORITY)] = "VIDIOC_S_PRIORITY", + [_IOC_NR(VIDIOC_G_SLICED_VBI_CAP)] = "VIDIOC_G_SLICED_VBI_CAP", + [_IOC_NR(VIDIOC_LOG_STATUS)] = "VIDIOC_LOG_STATUS", + [_IOC_NR(VIDIOC_G_EXT_CTRLS)] = "VIDIOC_G_EXT_CTRLS", + [_IOC_NR(VIDIOC_S_EXT_CTRLS)] = "VIDIOC_S_EXT_CTRLS", + [_IOC_NR(VIDIOC_TRY_EXT_CTRLS)] = "VIDIOC_TRY_EXT_CTRLS", +#if 1 + [_IOC_NR(VIDIOC_ENUM_FRAMESIZES)] = "VIDIOC_ENUM_FRAMESIZES", + [_IOC_NR(VIDIOC_ENUM_FRAMEINTERVALS)] = "VIDIOC_ENUM_FRAMEINTERVALS", + [_IOC_NR(VIDIOC_G_ENC_INDEX)] = "VIDIOC_G_ENC_INDEX", + [_IOC_NR(VIDIOC_ENCODER_CMD)] = "VIDIOC_ENCODER_CMD", + [_IOC_NR(VIDIOC_TRY_ENCODER_CMD)] = "VIDIOC_TRY_ENCODER_CMD", + + [_IOC_NR(VIDIOC_DBG_S_REGISTER)] = "VIDIOC_DBG_S_REGISTER", + [_IOC_NR(VIDIOC_DBG_G_REGISTER)] = "VIDIOC_DBG_G_REGISTER", + + [_IOC_NR(VIDIOC_G_CHIP_IDENT)] = "VIDIOC_G_CHIP_IDENT", +#endif +}; +#define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls) + +static const char *v4l2_int_ioctls[] = { +#ifdef CONFIG_VIDEO_V4L1_COMPAT + [_IOC_NR(DECODER_GET_CAPABILITIES)] = "DECODER_GET_CAPABILITIES", + [_IOC_NR(DECODER_GET_STATUS)] = "DECODER_GET_STATUS", + [_IOC_NR(DECODER_SET_NORM)] = "DECODER_SET_NORM", + [_IOC_NR(DECODER_SET_INPUT)] = "DECODER_SET_INPUT", + [_IOC_NR(DECODER_SET_OUTPUT)] = "DECODER_SET_OUTPUT", + [_IOC_NR(DECODER_ENABLE_OUTPUT)] = "DECODER_ENABLE_OUTPUT", + [_IOC_NR(DECODER_SET_PICTURE)] = "DECODER_SET_PICTURE", + [_IOC_NR(DECODER_SET_GPIO)] = "DECODER_SET_GPIO", + [_IOC_NR(DECODER_INIT)] = "DECODER_INIT", + [_IOC_NR(DECODER_SET_VBI_BYPASS)] = "DECODER_SET_VBI_BYPASS", + [_IOC_NR(DECODER_DUMP)] = "DECODER_DUMP", +#endif + [_IOC_NR(AUDC_SET_RADIO)] = "AUDC_SET_RADIO", + + [_IOC_NR(TUNER_SET_TYPE_ADDR)] = "TUNER_SET_TYPE_ADDR", + [_IOC_NR(TUNER_SET_STANDBY)] = "TUNER_SET_STANDBY", + [_IOC_NR(TUNER_SET_CONFIG)] = "TUNER_SET_CONFIG", + + [_IOC_NR(VIDIOC_INT_S_TUNER_MODE)] = "VIDIOC_INT_S_TUNER_MODE", + [_IOC_NR(VIDIOC_INT_RESET)] = "VIDIOC_INT_RESET", + [_IOC_NR(VIDIOC_INT_AUDIO_CLOCK_FREQ)] = "VIDIOC_INT_AUDIO_CLOCK_FREQ", + [_IOC_NR(VIDIOC_INT_DECODE_VBI_LINE)] = "VIDIOC_INT_DECODE_VBI_LINE", + [_IOC_NR(VIDIOC_INT_S_VBI_DATA)] = "VIDIOC_INT_S_VBI_DATA", + [_IOC_NR(VIDIOC_INT_G_VBI_DATA)] = "VIDIOC_INT_G_VBI_DATA", + [_IOC_NR(VIDIOC_INT_I2S_CLOCK_FREQ)] = "VIDIOC_INT_I2S_CLOCK_FREQ", + [_IOC_NR(VIDIOC_INT_S_STANDBY)] = "VIDIOC_INT_S_STANDBY", + [_IOC_NR(VIDIOC_INT_S_AUDIO_ROUTING)] = "VIDIOC_INT_S_AUDIO_ROUTING", + [_IOC_NR(VIDIOC_INT_G_AUDIO_ROUTING)] = "VIDIOC_INT_G_AUDIO_ROUTING", + [_IOC_NR(VIDIOC_INT_S_VIDEO_ROUTING)] = "VIDIOC_INT_S_VIDEO_ROUTING", + [_IOC_NR(VIDIOC_INT_G_VIDEO_ROUTING)] = "VIDIOC_INT_G_VIDEO_ROUTING", + [_IOC_NR(VIDIOC_INT_S_CRYSTAL_FREQ)] = "VIDIOC_INT_S_CRYSTAL_FREQ", + [_IOC_NR(VIDIOC_INT_INIT)] = "VIDIOC_INT_INIT", + [_IOC_NR(VIDIOC_INT_G_STD_OUTPUT)] = "VIDIOC_INT_G_STD_OUTPUT", + [_IOC_NR(VIDIOC_INT_S_STD_OUTPUT)] = "VIDIOC_INT_S_STD_OUTPUT", +}; +#define V4L2_INT_IOCTLS ARRAY_SIZE(v4l2_int_ioctls) + +/* Common ioctl debug function. This function can be used by + external ioctl messages as well as internal V4L ioctl */ +void v4l_printk_ioctl(unsigned int cmd) +{ + char *dir; + + switch (_IOC_DIR(cmd)) { + case _IOC_NONE: dir = "--"; break; + case _IOC_READ: dir = "r-"; break; + case _IOC_WRITE: dir = "-w"; break; + case _IOC_READ | _IOC_WRITE: dir = "rw"; break; + default: dir = "*ERR*"; break; + } + switch (_IOC_TYPE(cmd)) { + case 'd': + printk("v4l2_int ioctl %s, dir=%s (0x%08x)\n", + (_IOC_NR(cmd) < V4L2_INT_IOCTLS) ? + v4l2_int_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd); + break; +#ifdef CONFIG_VIDEO_V4L1_COMPAT + case 'v': + printk("v4l1 ioctl %s, dir=%s (0x%08x)\n", + (_IOC_NR(cmd) < V4L1_IOCTLS) ? + v4l1_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd); + break; +#endif + case 'V': + printk("v4l2 ioctl %s, dir=%s (0x%08x)\n", + (_IOC_NR(cmd) < V4L2_IOCTLS) ? + v4l2_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd); + break; + + default: + printk("unknown ioctl '%c', dir=%s, #%d (0x%08x)\n", + _IOC_TYPE(cmd), dir, _IOC_NR(cmd), cmd); + } +} +EXPORT_SYMBOL(v4l_printk_ioctl); + /* * sysfs stuff */ @@ -69,11 +432,13 @@ struct video_device *video_device_alloc(void) vfd = kzalloc(sizeof(*vfd),GFP_KERNEL); return vfd; } +EXPORT_SYMBOL(video_device_alloc); void video_device_release(struct video_device *vfd) { kfree(vfd); } +EXPORT_SYMBOL(video_device_release); static void video_release(struct device *cd) { @@ -110,6 +475,7 @@ struct video_device* video_devdata(struct file *file) { return video_device[iminor(file->f_path.dentry->d_inode)]; } +EXPORT_SYMBOL(video_devdata); /* * Open a video device - FIXME: Obsoleted @@ -278,6 +644,7 @@ out: kfree(mbuf); return err; } +EXPORT_SYMBOL(video_usercopy); /* * open/release helper functions -- handle exclusive opens @@ -297,6 +664,7 @@ int video_exclusive_open(struct inode *inode, struct file *file) mutex_unlock(&vfl->lock); return retval; } +EXPORT_SYMBOL(video_exclusive_open); int video_exclusive_release(struct inode *inode, struct file *file) { @@ -305,41 +673,7 @@ int video_exclusive_release(struct inode *inode, struct file *file) vfl->users--; return 0; } - -static char *v4l2_memory_names[] = { - [V4L2_MEMORY_MMAP] = "mmap", - [V4L2_MEMORY_USERPTR] = "userptr", - [V4L2_MEMORY_OVERLAY] = "overlay", -}; - - -/* FIXME: Those stuff are replicated also on v4l2-common.c */ -static char *v4l2_type_names_FIXME[] = { - [V4L2_BUF_TYPE_VIDEO_CAPTURE] = "video-cap", - [V4L2_BUF_TYPE_VIDEO_OVERLAY] = "video-over", - [V4L2_BUF_TYPE_VIDEO_OUTPUT] = "video-out", - [V4L2_BUF_TYPE_VBI_CAPTURE] = "vbi-cap", - [V4L2_BUF_TYPE_VBI_OUTPUT] = "vbi-out", - [V4L2_BUF_TYPE_SLICED_VBI_OUTPUT] = "sliced-vbi-out", - [V4L2_BUF_TYPE_SLICED_VBI_CAPTURE] = "sliced-vbi-capture", - [V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY] = "video-out-over", - [V4L2_BUF_TYPE_PRIVATE] = "private", -}; - -static char *v4l2_field_names_FIXME[] = { - [V4L2_FIELD_ANY] = "any", - [V4L2_FIELD_NONE] = "none", - [V4L2_FIELD_TOP] = "top", - [V4L2_FIELD_BOTTOM] = "bottom", - [V4L2_FIELD_INTERLACED] = "interlaced", - [V4L2_FIELD_SEQ_TB] = "seq-tb", - [V4L2_FIELD_SEQ_BT] = "seq-bt", - [V4L2_FIELD_ALTERNATE] = "alternate", - [V4L2_FIELD_INTERLACED_TB] = "interlaced-tb", - [V4L2_FIELD_INTERLACED_BT] = "interlaced-bt", -}; - -#define prt_names(a,arr) (((a)>=0)&&((a)timestamp.tv_sec%60), p->timestamp.tv_usec, p->index, - prt_names(p->type,v4l2_type_names_FIXME), - p->bytesused,p->flags, - p->field,p->sequence, - prt_names(p->memory,v4l2_memory_names), + prt_names(p->type, v4l2_type_names), + p->bytesused, p->flags, + p->field, p->sequence, + prt_names(p->memory, v4l2_memory_names), p->m.userptr, p->length); dbgarg2 ("timecode= %02d:%02d:%02d type=%d, " "flags=0x%08d, frames=%d, userbits=0x%08x\n", @@ -382,8 +716,8 @@ static inline void v4l_print_pix_fmt (struct video_device *vfd, (fmt->pixelformat >> 8) & 0xff, (fmt->pixelformat >> 16) & 0xff, (fmt->pixelformat >> 24) & 0xff, - prt_names(fmt->field,v4l2_field_names_FIXME), - fmt->bytesperline,fmt->sizeimage,fmt->colorspace); + prt_names(fmt->field, v4l2_field_names), + fmt->bytesperline, fmt->sizeimage, fmt->colorspace); }; @@ -597,7 +931,7 @@ static int __video_do_ioctl(struct inode *inode, struct file *file, /* FIXME: Should be one dump per type */ dbgarg (cmd, "type=%s\n", prt_names(type, - v4l2_type_names_FIXME)); + v4l2_type_names)); switch (type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: @@ -650,7 +984,7 @@ static int __video_do_ioctl(struct inode *inode, struct file *file, /* FIXME: Should be one dump per type */ dbgarg (cmd, "type=%s\n", prt_names(f->type, - v4l2_type_names_FIXME)); + v4l2_type_names)); switch (f->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: @@ -702,7 +1036,7 @@ static int __video_do_ioctl(struct inode *inode, struct file *file, /* FIXME: Should be one dump per type */ dbgarg (cmd, "type=%s\n", prt_names(f->type, - v4l2_type_names_FIXME)); + v4l2_type_names)); switch (f->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: if (vfd->vidioc_try_fmt_cap) @@ -768,8 +1102,8 @@ static int __video_do_ioctl(struct inode *inode, struct file *file, ret=vfd->vidioc_reqbufs(file, fh, p); dbgarg (cmd, "count=%d, type=%s, memory=%s\n", p->count, - prt_names(p->type,v4l2_type_names_FIXME), - prt_names(p->memory,v4l2_memory_names)); + prt_names(p->type, v4l2_type_names), + prt_names(p->memory, v4l2_memory_names)); break; } case VIDIOC_QUERYBUF: @@ -858,7 +1192,7 @@ static int __video_do_ioctl(struct inode *inode, struct file *file, enum v4l2_buf_type i = *(int *)arg; if (!vfd->vidioc_streamon) break; - dbgarg (cmd, "type=%s\n", prt_names(i,v4l2_type_names_FIXME)); + dbgarg(cmd, "type=%s\n", prt_names(i, v4l2_type_names)); ret=vfd->vidioc_streamon(file, fh,i); break; } @@ -868,7 +1202,7 @@ static int __video_do_ioctl(struct inode *inode, struct file *file, if (!vfd->vidioc_streamoff) break; - dbgarg (cmd, "type=%s\n", prt_names(i,v4l2_type_names_FIXME)); + dbgarg(cmd, "type=%s\n", prt_names(i, v4l2_type_names)); ret=vfd->vidioc_streamoff(file, fh, i); break; } @@ -1624,7 +1958,7 @@ out: kfree(mbuf); return err; } - +EXPORT_SYMBOL(video_ioctl2); static const struct file_operations video_fops; @@ -1743,6 +2077,7 @@ fail_minor: mutex_unlock(&videodev_lock); return ret; } +EXPORT_SYMBOL(video_register_device); /** * video_unregister_device - unregister a video4linux device @@ -1762,6 +2097,7 @@ void video_unregister_device(struct video_device *vfd) device_unregister(&vfd->class_dev); mutex_unlock(&videodev_lock); } +EXPORT_SYMBOL(video_unregister_device); /* * Video fs operations @@ -1806,16 +2142,6 @@ static void __exit videodev_exit(void) module_init(videodev_init) module_exit(videodev_exit) -EXPORT_SYMBOL(video_register_device); -EXPORT_SYMBOL(video_unregister_device); -EXPORT_SYMBOL(video_devdata); -EXPORT_SYMBOL(video_usercopy); -EXPORT_SYMBOL(video_exclusive_open); -EXPORT_SYMBOL(video_exclusive_release); -EXPORT_SYMBOL(video_ioctl2); -EXPORT_SYMBOL(video_device_alloc); -EXPORT_SYMBOL(video_device_release); - MODULE_AUTHOR("Alan Cox, Mauro Carvalho Chehab "); MODULE_DESCRIPTION("Device registrar for Video4Linux drivers v2"); MODULE_LICENSE("GPL"); diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h index 475d0d8275e..316a5845313 100644 --- a/include/media/v4l2-common.h +++ b/include/media/v4l2-common.h @@ -61,8 +61,6 @@ v4l_client_printk(KERN_DEBUG, client, fmt , ## arg); \ } while (0) -/* Prints the ioctl in a human-readable format */ -extern void v4l_printk_ioctl(unsigned int cmd); /* Use this macro for non-I2C drivers. Pass the driver name as the first arg. */ #define v4l_print_ioctl(name, cmd) \ diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h index c544c6f9089..f2114459995 100644 --- a/include/media/v4l2-dev.h +++ b/include/media/v4l2-dev.h @@ -44,6 +44,8 @@ extern unsigned int v4l2_video_std_fps(struct v4l2_standard *vs); extern char *v4l2_norm_to_name(v4l2_std_id id); extern int v4l2_video_std_construct(struct v4l2_standard *vs, int id, char *name); +/* Prints the ioctl in a human-readable format */ +extern void v4l_printk_ioctl(unsigned int cmd); /* prority handling */ struct v4l2_prio_state { -- cgit v1.2.3 From a348d2005d4a76c8c84150329f926c255c994ead Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Fri, 18 Jan 2008 08:53:26 -0300 Subject: V4L/DVB (7049): Remove sound/driver.h sound/driver.h is already included by sound/core. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/em28xx/em28xx-audio.c | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers') diff --git a/drivers/media/video/em28xx/em28xx-audio.c b/drivers/media/video/em28xx/em28xx-audio.c index 941357c4f3f..2c7343d3139 100644 --- a/drivers/media/video/em28xx/em28xx-audio.c +++ b/drivers/media/video/em28xx/em28xx-audio.c @@ -35,7 +35,6 @@ #include #include #include -#include #include #include #include -- cgit v1.2.3 From 46c9fc861f2a47ce806671933f96f03ab3bdda7a Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Sat, 19 Jan 2008 05:38:59 -0300 Subject: V4L/DVB (7076): bt878: include KERN_ facility level printk should use KERN_* levels. CC: Manu Abraham Signed-off-by: Akinobu Mita Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/bt8xx/bt878.c | 23 ++++++++++++++--------- 1 file changed, 14 insertions(+), 9 deletions(-) (limited to 'drivers') diff --git a/drivers/media/dvb/bt8xx/bt878.c b/drivers/media/dvb/bt8xx/bt878.c index c7bbb40223f..56d8fab688b 100644 --- a/drivers/media/dvb/bt8xx/bt878.c +++ b/drivers/media/dvb/bt8xx/bt878.c @@ -75,7 +75,11 @@ EXPORT_SYMBOL(bt878); #if defined(dprintk) #undef dprintk #endif -#define dprintk if(bt878_debug) printk +#define dprintk(fmt, arg...) \ + do { \ + if (bt878_debug) \ + printk(KERN_DEBUG fmt, ##arg); \ + } while (0) static void bt878_mem_free(struct bt878 *bt) { @@ -154,7 +158,7 @@ static int bt878_make_risc(struct bt878 *bt) } if (bt->line_count > 255) { - printk("bt878: buffer size error!\n"); + printk(KERN_ERR "bt878: buffer size error!\n"); return -EINVAL; } return 0; @@ -285,7 +289,8 @@ static irqreturn_t bt878_irq(int irq, void *dev_id) if (astat & (BT878_ASCERR | BT878_AOCERR)) { if (bt878_verbose) { - printk("bt878(%d): irq%s%s risc_pc=%08x\n", + printk(KERN_INFO + "bt878(%d): irq%s%s risc_pc=%08x\n", bt->nr, (astat & BT878_ASCERR) ? " SCERR" : "", @@ -295,8 +300,8 @@ static irqreturn_t bt878_irq(int irq, void *dev_id) } if (astat & (BT878_APABORT | BT878_ARIPERR | BT878_APPERR)) { if (bt878_verbose) { - printk - ("bt878(%d): irq%s%s%s risc_pc=%08x\n", + printk(KERN_INFO + "bt878(%d): irq%s%s%s risc_pc=%08x\n", bt->nr, (astat & BT878_APABORT) ? " PABORT" : "", @@ -308,8 +313,8 @@ static irqreturn_t bt878_irq(int irq, void *dev_id) } if (astat & (BT878_AFDSR | BT878_AFTRGT | BT878_AFBUS)) { if (bt878_verbose) { - printk - ("bt878(%d): irq%s%s%s risc_pc=%08x\n", + printk(KERN_INFO + "bt878(%d): irq%s%s%s risc_pc=%08x\n", bt->nr, (astat & BT878_AFDSR) ? " FDSR" : "", (astat & BT878_AFTRGT) ? " FTRGT" : @@ -510,7 +515,7 @@ static int __devinit bt878_probe(struct pci_dev *dev, */ if ((result = bt878_mem_alloc(bt))) { - printk("bt878: failed to allocate memory!\n"); + printk(KERN_ERR "bt878: failed to allocate memory!\n"); goto fail2; } @@ -536,7 +541,7 @@ static void __devexit bt878_remove(struct pci_dev *pci_dev) struct bt878 *bt = pci_get_drvdata(pci_dev); if (bt878_verbose) - printk("bt878(%d): unloading\n", bt->nr); + printk(KERN_INFO "bt878(%d): unloading\n", bt->nr); /* turn off all capturing, DMA and IRQs */ btand(~0x13, BT878_AGPIO_DMA_CTL); -- cgit v1.2.3 From 71c044752cdae89136862495f244d37073e2cf66 Mon Sep 17 00:00:00 2001 From: Antoine Jacquet Date: Fri, 25 Jan 2008 22:01:53 -0300 Subject: V4L/DVB (7080): zr364xx: add support for Pentax Optio 50 Signed-off-by: Antoine Jacquet Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/zr364xx.txt | 1 + drivers/media/video/zr364xx.c | 1 + 2 files changed, 2 insertions(+) (limited to 'drivers') diff --git a/Documentation/video4linux/zr364xx.txt b/Documentation/video4linux/zr364xx.txt index 754099ce71b..9a1a8c55949 100644 --- a/Documentation/video4linux/zr364xx.txt +++ b/Documentation/video4linux/zr364xx.txt @@ -63,3 +63,4 @@ Vendor Product Distributor Model 0x06d6 0x0034 Trust Powerc@m 750 0x0a17 0x0062 Pentax Optio 50L 0x06d6 0x003b Trust Powerc@m 970Z +0x0a17 0x004e Pentax Optio 50 diff --git a/drivers/media/video/zr364xx.c b/drivers/media/video/zr364xx.c index 1fdbb46de7f..d8f847edf01 100644 --- a/drivers/media/video/zr364xx.c +++ b/drivers/media/video/zr364xx.c @@ -93,6 +93,7 @@ static struct usb_device_id device_table[] = { {USB_DEVICE(0x06d6, 0x0034), .driver_info = METHOD0 }, {USB_DEVICE(0x0a17, 0x0062), .driver_info = METHOD2 }, {USB_DEVICE(0x06d6, 0x003b), .driver_info = METHOD0 }, + {USB_DEVICE(0x0a17, 0x004e), .driver_info = METHOD2 }, {} /* Terminating entry */ }; -- cgit v1.2.3 From c0e0aff9779303c7e3ef7e6db4001dbc2bfdcbdd Mon Sep 17 00:00:00 2001 From: Antoine Jacquet Date: Fri, 25 Jan 2008 22:03:10 -0300 Subject: V4L/DVB (7081): zr364xx: add support for Creative DiVi CAM 516 Signed-off-by: Antoine Jacquet Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/zr364xx.txt | 1 + drivers/media/video/zr364xx.c | 1 + 2 files changed, 2 insertions(+) (limited to 'drivers') diff --git a/Documentation/video4linux/zr364xx.txt b/Documentation/video4linux/zr364xx.txt index 9a1a8c55949..5c81e3ae645 100644 --- a/Documentation/video4linux/zr364xx.txt +++ b/Documentation/video4linux/zr364xx.txt @@ -64,3 +64,4 @@ Vendor Product Distributor Model 0x0a17 0x0062 Pentax Optio 50L 0x06d6 0x003b Trust Powerc@m 970Z 0x0a17 0x004e Pentax Optio 50 +0x041e 0x405d Creative DiVi CAM 516 diff --git a/drivers/media/video/zr364xx.c b/drivers/media/video/zr364xx.c index d8f847edf01..1b44784d0ef 100644 --- a/drivers/media/video/zr364xx.c +++ b/drivers/media/video/zr364xx.c @@ -94,6 +94,7 @@ static struct usb_device_id device_table[] = { {USB_DEVICE(0x0a17, 0x0062), .driver_info = METHOD2 }, {USB_DEVICE(0x06d6, 0x003b), .driver_info = METHOD0 }, {USB_DEVICE(0x0a17, 0x004e), .driver_info = METHOD2 }, + {USB_DEVICE(0x041e, 0x405d), .driver_info = METHOD2 }, {} /* Terminating entry */ }; -- cgit v1.2.3 From 4ba243734a0363649c514353334ed3d6ca39a5fb Mon Sep 17 00:00:00 2001 From: Hermann Pitton Date: Sun, 20 Jan 2008 19:27:51 -0300 Subject: V4L/DVB (7082): support for Twinhan Hybrid DTV-DVB 3056 PCI S-Video is unconfirmed, but likely correct. The remote is not yet investigated. Thanks go to Sioux for providing code and asking to fix the auto detection. Signed-off-by: sioux Signed-off-by: Hermann Pitton Signed-off-by: Hartmut Hackmann Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/CARDLIST.saa7134 | 1 + drivers/media/video/saa7134/saa7134-cards.c | 41 +++++++++++++++++++++++++++-- drivers/media/video/saa7134/saa7134-dvb.c | 18 +++++++++++++ drivers/media/video/saa7134/saa7134.h | 1 + 4 files changed, 59 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/Documentation/video4linux/CARDLIST.saa7134 b/Documentation/video4linux/CARDLIST.saa7134 index 5d3b6b4d251..7a37594b7aa 100644 --- a/Documentation/video4linux/CARDLIST.saa7134 +++ b/Documentation/video4linux/CARDLIST.saa7134 @@ -129,3 +129,4 @@ 128 -> Beholder BeholdTV Columbus TVFM [0000:5201] 129 -> Beholder BeholdTV 607 / BeholdTV 609 [5ace:6070,5ace:6071,5ace:6072,5ace:6073,5ace:6090,5ace:6091,5ace:6092,5ace:6093] 130 -> Beholder BeholdTV M6 / BeholdTV M6 Extra [5ace:6190,5ace:6193] +131 -> Twinhan Hybrid DTV-DVB 3056 PCI [1822:0022] diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c index 7d7f383b404..176543f723c 100644 --- a/drivers/media/video/saa7134/saa7134-cards.c +++ b/drivers/media/video/saa7134/saa7134-cards.c @@ -3912,6 +3912,36 @@ struct saa7134_board saa7134_boards[] = { }, .mpeg = SAA7134_MPEG_EMPRESS, }, + [SAA7134_BOARD_TWINHAN_DTV_DVB_3056] = { + .name = "Twinhan Hybrid DTV-DVB 3056 PCI", + .audio_clock = 0x00187de7, + .tuner_type = TUNER_PHILIPS_TDA8290, + .radio_type = UNSET, + .tuner_addr = ADDR_UNSET, + .radio_addr = ADDR_UNSET, + .tuner_config = 2, + .mpeg = SAA7134_MPEG_DVB, + .gpiomask = 0x0200000, + .inputs = {{ + .name = name_tv, + .vmux = 1, + .amux = TV, + .tv = 1, + }, { + .name = name_comp1, + .vmux = 3, + .amux = LINE1, + }, { + .name = name_svideo, + .vmux = 8, /* untested */ + .amux = LINE1, + } }, + .radio = { + .name = name_radio, + .amux = TV, + .gpio = 0x0200000, + }, + }, }; const unsigned int saa7134_bcount = ARRAY_SIZE(saa7134_boards); @@ -4843,7 +4873,13 @@ struct pci_device_id saa7134_pci_tbl[] = { .device = PCI_DEVICE_ID_PHILIPS_SAA7133, .subvendor = 0x4e42, .subdevice = 0x3502, - .driver_data = SAA7134_BOARD_FLYDVBT_HYBRID_CARDBUS + .driver_data = SAA7134_BOARD_FLYDVBT_HYBRID_CARDBUS, + }, { + .vendor = PCI_VENDOR_ID_PHILIPS, + .device = PCI_DEVICE_ID_PHILIPS_SAA7133, + .subvendor = 0x1822, /*Twinhan Technology Co. Ltd*/ + .subdevice = 0x0022, + .driver_data = SAA7134_BOARD_TWINHAN_DTV_DVB_3056, },{ /* --- boards without eeprom + subsystem ID --- */ .vendor = PCI_VENDOR_ID_PHILIPS, @@ -5232,7 +5268,8 @@ int saa7134_board_init2(struct saa7134_dev *dev) case SAA7134_BOARD_ASUSTeK_P7131_DUAL: case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA: case SAA7134_BOARD_MEDION_MD8800_QUADRO: - case SAA7134_BOARD_AVERMEDIA_SUPER_007: + case SAA7134_BOARD_AVERMEDIA_SUPER_007: + case SAA7134_BOARD_TWINHAN_DTV_DVB_3056: /* this is a hybrid board, initialize to analog mode * and configure firmware eeprom address */ diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c index a9ca5730826..90f495a6780 100644 --- a/drivers/media/video/saa7134/saa7134-dvb.c +++ b/drivers/media/video/saa7134/saa7134-dvb.c @@ -779,6 +779,21 @@ static struct tda1004x_config avermedia_super_007_config = { .request_firmware = philips_tda1004x_request_firmware }; +static struct tda1004x_config twinhan_dtv_dvb_3056_config = { + .demod_address = 0x08, + .invert = 1, + .invert_oclk = 0, + .xtal_freq = TDA10046_XTAL_16M, + .agc_config = TDA10046_AGC_TDA827X, + .gpio_config = TDA10046_GP01_I, + .if_freq = TDA10046_FREQ_045, + .i2c_gate = 0x42, + .tuner_address = 0x61, + .tuner_config = 2, + .antenna_switch = 1, + .request_firmware = philips_tda1004x_request_firmware +}; + /* ------------------------------------------------------------------ * special case: this card uses saa713x GPIO22 for the mode switch */ @@ -1044,6 +1059,9 @@ static int dvb_init(struct saa7134_dev *dev) case SAA7134_BOARD_AVERMEDIA_SUPER_007: configure_tda827x_fe(dev, &avermedia_super_007_config); break; + case SAA7134_BOARD_TWINHAN_DTV_DVB_3056: + configure_tda827x_fe(dev, &twinhan_dtv_dvb_3056_config); + break; default: wprintk("Huh? unknown DVB card?\n"); break; diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h index b88ca995faf..27fb4433221 100644 --- a/drivers/media/video/saa7134/saa7134.h +++ b/drivers/media/video/saa7134/saa7134.h @@ -252,6 +252,7 @@ struct saa7134_format { #define SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM 128 #define SAA7134_BOARD_BEHOLD_607_9FM 129 #define SAA7134_BOARD_BEHOLD_M6 130 +#define SAA7134_BOARD_TWINHAN_DTV_DVB_3056 131 #define SAA7134_MAXBOARDS 8 #define SAA7134_INPUT_MAX 8 -- cgit v1.2.3 From ad1ef131c35bb6967acd5ce3072a32ec1d27b482 Mon Sep 17 00:00:00 2001 From: Hermann Pitton Date: Sun, 20 Jan 2008 19:32:39 -0300 Subject: V4L/DVB (7083): saa7134: enable radio and external analog audio-in on the md2819 It also enumerates now the separate composite input at first and adds mute ability to radio and external audio-in. Many thanks to Daftcho Tabakov for reporting the flaws and testing. Signed-off-by: Hermann Pitton Signed-off-by: Hartmut Hackmann Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7134/saa7134-cards.c | 31 +++++++++++++++++++---------- 1 file changed, 21 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c index 176543f723c..0e8e8081f51 100644 --- a/drivers/media/video/saa7134/saa7134-cards.c +++ b/drivers/media/video/saa7134/saa7134-cards.c @@ -928,27 +928,38 @@ struct saa7134_board saa7134_boards[] = { .tuner_addr = ADDR_UNSET, .radio_addr = ADDR_UNSET, .tda9887_conf = TDA9887_PRESENT, + .gpiomask = 0x03, .inputs = {{ .name = name_tv, .vmux = 1, .amux = TV, .tv = 1, - },{ + .gpio = 0x00, + }, { .name = name_comp1, - .vmux = 0, - .amux = LINE2, - },{ - .name = name_comp2, .vmux = 3, - .amux = LINE2, - },{ + .amux = LINE1, + .gpio = 0x02, + }, { + .name = name_comp2, + .vmux = 0, + .amux = LINE1, + .gpio = 0x02, + }, { .name = name_svideo, .vmux = 8, - .amux = LINE2, - }}, + .amux = LINE1, + .gpio = 0x02, + } }, .radio = { .name = name_radio, - .amux = LINE2, + .amux = LINE1, + .gpio = 0x01, + }, + .mute = { + .name = name_mute, + .amux = TV, + .gpio = 0x00, }, }, [SAA7134_BOARD_BMK_MPEX_TUNER] = { -- cgit v1.2.3 From 728b92a2301c705dc36419ab0e7163b129462696 Mon Sep 17 00:00:00 2001 From: Hermann Pitton Date: Sun, 20 Jan 2008 19:42:01 -0300 Subject: V4L/DVB (7084): saa7134: add support for the Medion / Creatix CTX948 card This adds support for analog inputs and DVB-T. Good sensitivity for DVB-T currently needs to use analog TV first. DVB-S support is not yet completed, but is on the way. Signed-off-by: Hermann Pitton Signed-off-by: Hartmut Hackmann Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/CARDLIST.saa7134 | 2 +- drivers/media/video/saa7134/saa7134-cards.c | 6 ++++++ 2 files changed, 7 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/Documentation/video4linux/CARDLIST.saa7134 b/Documentation/video4linux/CARDLIST.saa7134 index 7a37594b7aa..81566df13ae 100644 --- a/Documentation/video4linux/CARDLIST.saa7134 +++ b/Documentation/video4linux/CARDLIST.saa7134 @@ -94,7 +94,7 @@ 93 -> Medion 7134 Bridge #2 [16be:0005] 94 -> LifeView FlyDVB-T Hybrid Cardbus/MSI TV @nywhere A/D NB [5168:3306,5168:3502,4e42:3502] 95 -> LifeView FlyVIDEO3000 (NTSC) [5169:0138] - 96 -> Medion Md8800 Quadro [16be:0007,16be:0008] + 96 -> Medion Md8800 Quadro [16be:0007,16be:0008,16be:000d] 97 -> LifeView FlyDVB-S /Acorp TV134DS [5168:0300,4e42:0300] 98 -> Proteus Pro 2309 [0919:2003] 99 -> AVerMedia TV Hybrid A16AR [1461:2c00] diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c index 0e8e8081f51..c03784ee7f1 100644 --- a/drivers/media/video/saa7134/saa7134-cards.c +++ b/drivers/media/video/saa7134/saa7134-cards.c @@ -4562,6 +4562,12 @@ struct pci_device_id saa7134_pci_tbl[] = { .subdevice = 0x0008, .driver_data = SAA7134_BOARD_MEDION_MD8800_QUADRO, },{ + .vendor = PCI_VENDOR_ID_PHILIPS, + .device = PCI_DEVICE_ID_PHILIPS_SAA7133, + .subvendor = 0x16be, + .subdevice = 0x000d, /* triple CTX948_V1.1.1 */ + .driver_data = SAA7134_BOARD_MEDION_MD8800_QUADRO, + }, { .vendor = PCI_VENDOR_ID_PHILIPS, .device = PCI_DEVICE_ID_PHILIPS_SAA7133, .subvendor = 0x1461, -- cgit v1.2.3 From 29e4e05041842bca57ec539e51cfeae8948e7320 Mon Sep 17 00:00:00 2001 From: Hermann Pitton Date: Sun, 20 Jan 2008 19:49:51 -0300 Subject: V4L/DVB (7085): saa7134: detect the LifeView FlyDVB-T Hybrid Mini PCI Thanks to Angelo Lisco for his initial patch we missed and to Ahmet Dogan Ugurel confirming such a device functional. Signed-off-by: Hermann Pitton Signed-off-by: Hartmut Hackmann Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/CARDLIST.saa7134 | 2 +- drivers/media/video/saa7134/saa7134-cards.c | 6 ++++++ 2 files changed, 7 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/Documentation/video4linux/CARDLIST.saa7134 b/Documentation/video4linux/CARDLIST.saa7134 index 81566df13ae..1074925fb20 100644 --- a/Documentation/video4linux/CARDLIST.saa7134 +++ b/Documentation/video4linux/CARDLIST.saa7134 @@ -92,7 +92,7 @@ 91 -> AVerMedia A169 B [1461:7360] 92 -> AVerMedia A169 B1 [1461:6360] 93 -> Medion 7134 Bridge #2 [16be:0005] - 94 -> LifeView FlyDVB-T Hybrid Cardbus/MSI TV @nywhere A/D NB [5168:3306,5168:3502,4e42:3502] + 94 -> LifeView FlyDVB-T Hybrid Cardbus/MSI TV @nywhere A/D NB [5168:3306,5168:3502,5168:3307,4e42:3502] 95 -> LifeView FlyVIDEO3000 (NTSC) [5169:0138] 96 -> Medion Md8800 Quadro [16be:0007,16be:0008,16be:000d] 97 -> LifeView FlyDVB-S /Acorp TV134DS [5168:0300,4e42:0300] diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c index c03784ee7f1..dcb601b803f 100644 --- a/drivers/media/video/saa7134/saa7134-cards.c +++ b/drivers/media/video/saa7134/saa7134-cards.c @@ -4550,6 +4550,12 @@ struct pci_device_id saa7134_pci_tbl[] = { .subdevice = 0x3502, /* whats the difference to 0x3306 ?*/ .driver_data = SAA7134_BOARD_FLYDVBT_HYBRID_CARDBUS, },{ + .vendor = PCI_VENDOR_ID_PHILIPS, + .device = PCI_DEVICE_ID_PHILIPS_SAA7133, + .subvendor = 0x5168, + .subdevice = 0x3307, /* FlyDVB-T Hybrid Mini PCI */ + .driver_data = SAA7134_BOARD_FLYDVBT_HYBRID_CARDBUS, + }, { .vendor = PCI_VENDOR_ID_PHILIPS, .device = PCI_DEVICE_ID_PHILIPS_SAA7133, .subvendor = 0x16be, -- cgit v1.2.3 From 0ed464e13e9321de9d1fff356eda58498574272e Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Sat, 26 Jan 2008 07:38:01 -0300 Subject: V4L/DVB (7086): driver: tcm825x - fix logical typo error This patch does fix potential NULL pointer dereference due to logical typo error. The issue is pointed out by Guennadi Liakhovetski Signed-off-by: Cyrill Gorcunov CC: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/tcm825x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/media/video/tcm825x.c b/drivers/media/video/tcm825x.c index 41cd6a0b048..fb895f6684a 100644 --- a/drivers/media/video/tcm825x.c +++ b/drivers/media/video/tcm825x.c @@ -851,7 +851,7 @@ static int tcm825x_probe(struct i2c_client *client) sensor->platform_data = client->dev.platform_data; if (sensor->platform_data == NULL - && !sensor->platform_data->is_okay()) + || !sensor->platform_data->is_okay()) return -ENODEV; sensor->v4l2_int_device = &tcm825x_int_device; -- cgit v1.2.3 From 1112fb68ae9c838294d38e1f209fedbc0dbf11d5 Mon Sep 17 00:00:00 2001 From: Jaime Velasco Juan Date: Sun, 27 Jan 2008 12:24:58 -0300 Subject: V4L/DVB (7088): V4L: stkwebcam: Add support for YUYV format Signed-off-by: Jaime Velasco Juan Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/stk-sensor.c | 19 ++++++++++++++++++- drivers/media/video/stk-webcam.c | 7 ++++++- 2 files changed, 24 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/stk-sensor.c b/drivers/media/video/stk-sensor.c index 4a9a0b62efa..1a8692d9ee5 100644 --- a/drivers/media/video/stk-sensor.c +++ b/drivers/media/video/stk-sensor.c @@ -380,7 +380,7 @@ int stk_sensor_init(struct stk_camera *dev) STK_ERROR("Strange error reading sensor ID\n"); return -ENODEV; } - if (idh != 0x7F || idl != 0xA2) { + if (idh != 0x7f || idl != 0xa2) { STK_ERROR("Huh? you don't have a sensor from ovt\n"); return -ENODEV; } @@ -409,6 +409,19 @@ static struct regval ov_fmt_uyvy[] = { {REG_COM15, COM15_R00FF }, {0xff, 0xff}, /* END MARKER */ }; +/* V4L2_PIX_FMT_YUYV */ +static struct regval ov_fmt_yuyv[] = { + {REG_TSLB, 0 }, + { 0x4f, 0x80 }, /* "matrix coefficient 1" */ + { 0x50, 0x80 }, /* "matrix coefficient 2" */ + { 0x51, 0 }, /* vb */ + { 0x52, 0x22 }, /* "matrix coefficient 4" */ + { 0x53, 0x5e }, /* "matrix coefficient 5" */ + { 0x54, 0x80 }, /* "matrix coefficient 6" */ + {REG_COM13, COM13_UVSAT|COM13_CMATRIX}, + {REG_COM15, COM15_R00FF }, + {0xff, 0xff}, /* END MARKER */ +}; /* V4L2_PIX_FMT_RGB565X rrrrrggg gggbbbbb */ static struct regval ov_fmt_rgbr[] = { @@ -519,6 +532,10 @@ int stk_sensor_configure(struct stk_camera *dev) com7 |= COM7_YUV; rv = ov_fmt_uyvy; break; + case V4L2_PIX_FMT_YUYV: + com7 |= COM7_YUV; + rv = ov_fmt_yuyv; + break; case V4L2_PIX_FMT_RGB565: com7 |= COM7_RGB; rv = ov_fmt_rgbp; diff --git a/drivers/media/video/stk-webcam.c b/drivers/media/video/stk-webcam.c index d37e5e2594b..ba4fe934ee9 100644 --- a/drivers/media/video/stk-webcam.c +++ b/drivers/media/video/stk-webcam.c @@ -993,6 +993,10 @@ static int stk_vidioc_enum_fmt_cap(struct file *filp, fmtd->pixelformat = V4L2_PIX_FMT_SBGGR8; strcpy(fmtd->description, "Raw bayer"); break; + case 4: + fmtd->pixelformat = V4L2_PIX_FMT_YUYV; + strcpy(fmtd->description, "yuv4:2:2"); + break; default: return -EINVAL; } @@ -1048,6 +1052,7 @@ static int stk_vidioc_try_fmt_cap(struct file *filp, case V4L2_PIX_FMT_RGB565: case V4L2_PIX_FMT_RGB565X: case V4L2_PIX_FMT_UYVY: + case V4L2_PIX_FMT_YUYV: case V4L2_PIX_FMT_SBGGR8: break; default: @@ -1403,7 +1408,7 @@ static int stk_camera_probe(struct usb_interface *interface, dev->vsettings.brightness = 0x7fff; dev->vsettings.palette = V4L2_PIX_FMT_RGB565; dev->vsettings.mode = MODE_VGA; - dev->frame_size = 640*480*2; + dev->frame_size = 640 * 480 * 2; INIT_LIST_HEAD(&dev->sio_avail); INIT_LIST_HEAD(&dev->sio_full); -- cgit v1.2.3 From 1fdd61c0228a32b9a5e10593b225851d8920595b Mon Sep 17 00:00:00 2001 From: Jaime Velasco Juan Date: Sun, 27 Jan 2008 12:24:59 -0300 Subject: V4L/DVB (7089): V4L: stkwebcam: Power management support Signed-off-by: Jaime Velasco Juan Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/stk-webcam.c | 92 +++++++++++++++++++++++++++++++--------- drivers/media/video/stk-webcam.h | 1 + 2 files changed, 73 insertions(+), 20 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/stk-webcam.c b/drivers/media/video/stk-webcam.c index ba4fe934ee9..f84e8d51176 100644 --- a/drivers/media/video/stk-webcam.c +++ b/drivers/media/video/stk-webcam.c @@ -682,6 +682,7 @@ static int v4l_stk_open(struct inode *inode, struct file *fp) return -ENXIO; fp->private_data = vdev; kref_get(&dev->kref); + usb_autopm_get_interface(dev->interface); return 0; } @@ -703,6 +704,7 @@ static int v4l_stk_release(struct inode *inode, struct file *fp) } if (dev->owner != fp) { + usb_autopm_put_interface(dev->interface); kref_put(&dev->kref, stk_camera_cleanup); return 0; } @@ -713,6 +715,7 @@ static int v4l_stk_release(struct inode *inode, struct file *fp) dev->owner = NULL; + usb_autopm_put_interface(dev->interface); kref_put(&dev->kref, stk_camera_cleanup); return 0; @@ -1085,6 +1088,42 @@ static int stk_vidioc_try_fmt_cap(struct file *filp, return 0; } +static int stk_setup_format(struct stk_camera *dev) +{ + int i = 0; + int depth; + if (dev->vsettings.palette == V4L2_PIX_FMT_SBGGR8) + depth = 1; + else + depth = 2; + while (stk_sizes[i].m != dev->vsettings.mode + && i < ARRAY_SIZE(stk_sizes)) + i++; + if (i == ARRAY_SIZE(stk_sizes)) { + STK_ERROR("Something is broken in %s\n", __FUNCTION__); + return -EFAULT; + } + /* This registers controls some timings, not sure of what. */ + stk_camera_write_reg(dev, 0x001b, 0x0e); + if (dev->vsettings.mode == MODE_SXGA) + stk_camera_write_reg(dev, 0x001c, 0x0e); + else + stk_camera_write_reg(dev, 0x001c, 0x46); + /* + * Registers 0x0115 0x0114 are the size of each line (bytes), + * regs 0x0117 0x0116 are the heigth of the image. + */ + stk_camera_write_reg(dev, 0x0115, + ((stk_sizes[i].w * depth) >> 8) & 0xff); + stk_camera_write_reg(dev, 0x0114, + (stk_sizes[i].w * depth) & 0xff); + stk_camera_write_reg(dev, 0x0117, + (stk_sizes[i].h >> 8) & 0xff); + stk_camera_write_reg(dev, 0x0116, + stk_sizes[i].h & 0xff); + return stk_sensor_configure(dev); +} + static int stk_vidioc_s_fmt_cap(struct file *filp, void *priv, struct v4l2_format *fmtd) { @@ -1099,10 +1138,10 @@ static int stk_vidioc_s_fmt_cap(struct file *filp, return -EBUSY; if (dev->owner && dev->owner != filp) return -EBUSY; - dev->owner = filp; ret = stk_vidioc_try_fmt_cap(filp, priv, fmtd); if (ret) return ret; + dev->owner = filp; dev->vsettings.palette = fmtd->fmt.pix.pixelformat; stk_free_buffers(dev); @@ -1110,25 +1149,7 @@ static int stk_vidioc_s_fmt_cap(struct file *filp, dev->vsettings.mode = stk_sizes[fmtd->fmt.pix.priv].m; stk_initialise(dev); - /* This registers controls some timings, not sure of what. */ - stk_camera_write_reg(dev, 0x001b, 0x0e); - if (dev->vsettings.mode == MODE_SXGA) - stk_camera_write_reg(dev, 0x001c, 0x0e); - else - stk_camera_write_reg(dev, 0x001c, 0x46); - /* - * Registers 0x0115 0x0114 are the size of each line (bytes), - * regs 0x0117 0x0116 are the heigth of the image. - */ - stk_camera_write_reg(dev, 0x0115, - (fmtd->fmt.pix.bytesperline >> 8) & 0xff); - stk_camera_write_reg(dev, 0x0114, - fmtd->fmt.pix.bytesperline & 0xff); - stk_camera_write_reg(dev, 0x0117, - (fmtd->fmt.pix.height >> 8) & 0xff); - stk_camera_write_reg(dev, 0x0116, - fmtd->fmt.pix.height & 0xff); - return stk_sensor_configure(dev); + return stk_setup_format(dev); } static int stk_vidioc_reqbufs(struct file *filp, @@ -1422,6 +1443,7 @@ static int stk_camera_probe(struct usb_interface *interface, } stk_create_sysfs_files(&dev->vdev); + usb_autopm_enable(dev->interface); return 0; } @@ -1439,11 +1461,41 @@ static void stk_camera_disconnect(struct usb_interface *interface) kref_put(&dev->kref, stk_camera_cleanup); } +#ifdef CONFIG_PM +int stk_camera_suspend(struct usb_interface *intf, pm_message_t message) +{ + struct stk_camera *dev = usb_get_intfdata(intf); + if (is_streaming(dev)) { + stk_stop_stream(dev); + /* yes, this is ugly */ + set_streaming(dev); + } + return 0; +} + +int stk_camera_resume(struct usb_interface *intf) +{ + struct stk_camera *dev = usb_get_intfdata(intf); + if (!is_initialised(dev)) + return 0; + unset_initialised(dev); + stk_initialise(dev); + stk_setup_format(dev); + if (is_streaming(dev)) + stk_start_stream(dev); + return 0; +} +#endif + static struct usb_driver stk_camera_driver = { .name = "stkwebcam", .probe = stk_camera_probe, .disconnect = stk_camera_disconnect, .id_table = stkwebcam_table, +#ifdef CONFIG_PM + .suspend = stk_camera_suspend, + .resume = stk_camera_resume, +#endif }; diff --git a/drivers/media/video/stk-webcam.h b/drivers/media/video/stk-webcam.h index 7e989d1ac1e..a2164cb1ad2 100644 --- a/drivers/media/video/stk-webcam.h +++ b/drivers/media/video/stk-webcam.h @@ -79,6 +79,7 @@ enum stk_status { #define unset_present(dev) ((dev)->status &= \ ~(S_PRESENT|S_INITIALISED|S_STREAMING)) #define set_initialised(dev) ((dev)->status |= S_INITIALISED) +#define unset_initialised(dev) ((dev)->status &= ~S_INITIALISED) #define set_memallocd(dev) ((dev)->status |= S_MEMALLOCD) #define unset_memallocd(dev) ((dev)->status &= ~S_MEMALLOCD) #define set_streaming(dev) ((dev)->status |= S_STREAMING) -- cgit v1.2.3 From 2de3a5a5c52ae1550be537829bb487131430d74b Mon Sep 17 00:00:00 2001 From: Jaime Velasco Juan Date: Sun, 27 Jan 2008 12:25:00 -0300 Subject: V4L/DVB (7090): V4L: stkwebcam: use v4l_compat_ioctl32 Signed-off-by: Jaime Velasco Juan Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/stk-webcam.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers') diff --git a/drivers/media/video/stk-webcam.c b/drivers/media/video/stk-webcam.c index f84e8d51176..94a366cc997 100644 --- a/drivers/media/video/stk-webcam.c +++ b/drivers/media/video/stk-webcam.c @@ -1314,6 +1314,9 @@ static struct file_operations v4l_stk_fops = { .poll = v4l_stk_poll, .mmap = v4l_stk_mmap, .ioctl = video_ioctl2, +#ifdef CONFIG_COMPAT + .compat_ioctl = v4l_compat_ioctl32, +#endif .llseek = no_llseek }; -- cgit v1.2.3 From 0e3301ec23000ffbbe28771eb79628856a9a2f84 Mon Sep 17 00:00:00 2001 From: Tobias Lorenz Date: Sun, 27 Jan 2008 14:54:07 -0300 Subject: V4L/DVB (7091): radio-si470x improvements and seldom problem fixed in tuning functions I updated the radio-si470x driver another time. Here are the commented history entries: - number of seek_retries changed to tune_timeout The last versions checked for the end of frequency tuning by polling a si470x register. Therefore polling depended on the usb utilization. This was changed to have a constant timeout now. - fixed problem with incomplete tune operations by own buffers The last version used a shared buffer to assembly the USB HID reports. It sometimes happened, that multiple functions were modifing this buffer simultanuously. When sending such reports, the hardware returned USB stalls (-EPIPE). Now buffers of the correct size (smaller than before) are allocated as local variables. - optimization of variables The size of some variables has been reduced to allow the compiler to generate more optimized code. - improved error logging At some important location, error checking was improved. Especially the usb transfers to access si470x registers and the tuning functions were modified. Signed-off-by: Tobias Lorenz Signed-off-by: Mauro Carvalho Chehab --- drivers/media/radio/radio-si470x.c | 223 ++++++++++++++++++++++++------------- 1 file changed, 143 insertions(+), 80 deletions(-) (limited to 'drivers') diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c index 8e4bd476904..a2975c8b009 100644 --- a/drivers/media/radio/radio-si470x.c +++ b/drivers/media/radio/radio-si470x.c @@ -62,6 +62,12 @@ * - code cleaned of unnecessary rds_commands * - USB Vendor/Product ID for ADS/Tech FM Radio Receiver verified * (thanks to Guillaume RAMOUSSE) + * 2008-01-27 Tobias Lorenz + * Version 1.0.5 + * - number of seek_retries changed to tune_timeout + * - fixed problem with incomplete tune operations by own buffers + * - optimization of variables + * - improved error logging * * ToDo: * - add seeking support @@ -74,9 +80,10 @@ /* driver definitions */ #define DRIVER_AUTHOR "Tobias Lorenz " #define DRIVER_NAME "radio-si470x" -#define DRIVER_VERSION KERNEL_VERSION(1, 0, 4) +#define DRIVER_KERNEL_VERSION KERNEL_VERSION(1, 0, 5) #define DRIVER_CARD "Silicon Labs Si470x FM Radio Receiver" #define DRIVER_DESC "USB radio driver for Si470x FM Radio Receivers" +#define DRIVER_VERSION "1.0.5" /* kernel includes */ @@ -119,56 +126,56 @@ MODULE_PARM_DESC(radio_nr, "Radio Nr"); /* 0: 200 kHz (USA, Australia) */ /* 1: 100 kHz (Europe, Japan) */ /* 2: 50 kHz */ -static int space = 2; -module_param(space, int, 0); +static unsigned short space = 2; +module_param(space, ushort, 0); MODULE_PARM_DESC(radio_nr, "Spacing: 0=200kHz 1=100kHz *2=50kHz*"); /* Bottom of Band (MHz) */ /* 0: 87.5 - 108 MHz (USA, Europe)*/ /* 1: 76 - 108 MHz (Japan wide band) */ /* 2: 76 - 90 MHz (Japan) */ -static int band = 1; -module_param(band, int, 0); +static unsigned short band = 1; +module_param(band, ushort, 0); MODULE_PARM_DESC(radio_nr, "Band: 0=87.5..108MHz *1=76..108MHz* 2=76..90MHz"); /* De-emphasis */ /* 0: 75 us (USA) */ /* 1: 50 us (Europe, Australia, Japan) */ -static int de = 1; -module_param(de, int, 0); +static unsigned short de = 1; +module_param(de, ushort, 0); MODULE_PARM_DESC(radio_nr, "De-emphasis: 0=75us *1=50us*"); /* USB timeout */ -static int usb_timeout = 500; -module_param(usb_timeout, int, 0); +static unsigned int usb_timeout = 500; +module_param(usb_timeout, uint, 0); MODULE_PARM_DESC(usb_timeout, "USB timeout (ms): *500*"); -/* Seek retries */ -static int seek_retries = 100; -module_param(seek_retries, int, 0); -MODULE_PARM_DESC(seek_retries, "Seek retries: *100*"); +/* Tune timeout */ +static unsigned int tune_timeout = 3000; +module_param(tune_timeout, uint, 0); +MODULE_PARM_DESC(tune_timeout, "Tune timeout: *3000*"); /* RDS buffer blocks */ -static int rds_buf = 100; -module_param(rds_buf, int, 0); +static unsigned int rds_buf = 100; +module_param(rds_buf, uint, 0); MODULE_PARM_DESC(rds_buf, "RDS buffer entries: *100*"); /* RDS maximum block errors */ -static int max_rds_errors = 1; +static unsigned short max_rds_errors = 1; /* 0 means 0 errors requiring correction */ /* 1 means 1-2 errors requiring correction (used by original USBRadio.exe) */ /* 2 means 3-5 errors requiring correction */ /* 3 means 6+ errors or errors in checkword, correction not possible */ -module_param(max_rds_errors, int, 0); +module_param(max_rds_errors, ushort, 0); MODULE_PARM_DESC(max_rds_errors, "RDS maximum block errors: *1*"); /* RDS poll frequency */ -static int rds_poll_time = 40; +static unsigned int rds_poll_time = 40; /* 40 is used by the original USBRadio.exe */ /* 50 is used by radio-cadet */ /* 75 should be okay */ /* 80 is the usual RDS receive interval */ -module_param(rds_poll_time, int, 0); +module_param(rds_poll_time, uint, 0); MODULE_PARM_DESC(rds_poll_time, "RDS poll time (ms): *40*"); @@ -395,11 +402,8 @@ struct si470x_device { struct usb_device *usbdev; struct video_device *videodev; - /* are these really necessary ? */ - int users; - - /* report buffer (maximum 64 bytes) */ - unsigned char buf[64]; + /* driver management */ + unsigned int users; /* Silabs internal registers (0..15) */ unsigned short registers[RADIO_REGISTER_NUM]; @@ -434,28 +438,46 @@ struct si470x_device { /* * si470x_get_report - receive a HID report */ -static int si470x_get_report(struct si470x_device *radio, int size) +static int si470x_get_report(struct si470x_device *radio, void *buf, int size) { - return usb_control_msg(radio->usbdev, + unsigned char *report = (unsigned char *) buf; + int retval; + + retval = usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0), HID_REQ_GET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, - radio->buf[0], 2, - radio->buf, size, usb_timeout); + report[0], 2, + buf, size, usb_timeout); + if (retval < 0) + printk(KERN_WARNING DRIVER_NAME + ": si470x_get_report: usb_control_msg returned %d\n", + retval); + + return retval; } /* * si470x_set_report - send a HID report */ -static int si470x_set_report(struct si470x_device *radio, int size) +static int si470x_set_report(struct si470x_device *radio, void *buf, int size) { - return usb_control_msg(radio->usbdev, + unsigned char *report = (unsigned char *) buf; + int retval; + + retval = usb_control_msg(radio->usbdev, usb_sndctrlpipe(radio->usbdev, 0), HID_REQ_SET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, - radio->buf[0], 2, - radio->buf, size, usb_timeout); + report[0], 2, + buf, size, usb_timeout); + if (retval < 0) + printk(KERN_WARNING DRIVER_NAME + ": si470x_set_report: usb_control_msg returned %d\n", + retval); + + return retval; } @@ -464,13 +486,15 @@ static int si470x_set_report(struct si470x_device *radio, int size) */ static int si470x_get_register(struct si470x_device *radio, int regnr) { + unsigned char buf[REGISTER_REPORT_SIZE]; int retval; - radio->buf[0] = REGISTER_REPORT(regnr); + buf[0] = REGISTER_REPORT(regnr); + + retval = si470x_get_report(radio, (void *) &buf, sizeof(buf)); - retval = si470x_get_report(radio, REGISTER_REPORT_SIZE); if (retval >= 0) - radio->registers[regnr] = (radio->buf[1] << 8) | radio->buf[2]; + radio->registers[regnr] = (buf[1] << 8) | buf[2]; return (retval < 0) ? -EINVAL : 0; } @@ -481,13 +505,14 @@ static int si470x_get_register(struct si470x_device *radio, int regnr) */ static int si470x_set_register(struct si470x_device *radio, int regnr) { + unsigned char buf[REGISTER_REPORT_SIZE]; int retval; - radio->buf[0] = REGISTER_REPORT(regnr); - radio->buf[1] = (radio->registers[regnr] & 0xff00) >> 8; - radio->buf[2] = (radio->registers[regnr] & 0x00ff); + buf[0] = REGISTER_REPORT(regnr); + buf[1] = (radio->registers[regnr] & 0xff00) >> 8; + buf[2] = (radio->registers[regnr] & 0x00ff); - retval = si470x_set_report(radio, REGISTER_REPORT_SIZE); + retval = si470x_set_report(radio, (void *) &buf, sizeof(buf)); return (retval < 0) ? -EINVAL : 0; } @@ -498,18 +523,19 @@ static int si470x_set_register(struct si470x_device *radio, int regnr) */ static int si470x_get_all_registers(struct si470x_device *radio) { + unsigned char buf[ENTIRE_REPORT_SIZE]; int retval; - int regnr; + unsigned char regnr; - radio->buf[0] = ENTIRE_REPORT; + buf[0] = ENTIRE_REPORT; - retval = si470x_get_report(radio, ENTIRE_REPORT_SIZE); + retval = si470x_get_report(radio, (void *) &buf, sizeof(buf)); if (retval >= 0) for (regnr = 0; regnr < RADIO_REGISTER_NUM; regnr++) radio->registers[regnr] = - (radio->buf[regnr * RADIO_REGISTER_SIZE + 1] << 8) | - radio->buf[regnr * RADIO_REGISTER_SIZE + 2]; + (buf[regnr * RADIO_REGISTER_SIZE + 1] << 8) | + buf[regnr * RADIO_REGISTER_SIZE + 2]; return (retval < 0) ? -EINVAL : 0; } @@ -520,21 +546,28 @@ static int si470x_get_all_registers(struct si470x_device *radio) */ static int si470x_get_rds_registers(struct si470x_device *radio) { + unsigned char buf[RDS_REPORT_SIZE]; int retval; - int regnr; int size; + unsigned char regnr; - radio->buf[0] = RDS_REPORT; + buf[0] = RDS_REPORT; retval = usb_interrupt_msg(radio->usbdev, - usb_rcvctrlpipe(radio->usbdev, 1), - radio->buf, RDS_REPORT_SIZE, &size, usb_timeout); + usb_rcvintpipe(radio->usbdev, 1), + (void *) &buf, sizeof(buf), &size, usb_timeout); + if (size != sizeof(buf)) + printk(KERN_WARNING DRIVER_NAME ": si470x_get_rds_register: " + "return size differs: %d != %d\n", size, sizeof(buf)); + if (retval < 0) + printk(KERN_WARNING DRIVER_NAME ": si470x_get_rds_registers: " + "usb_interrupt_msg returned %d\n", retval); if (retval >= 0) for (regnr = 0; regnr < RDS_REGISTER_NUM; regnr++) radio->registers[STATUSRSSI + regnr] = - (radio->buf[regnr * RADIO_REGISTER_SIZE + 1] << 8) | - radio->buf[regnr * RADIO_REGISTER_SIZE + 2]; + (buf[regnr * RADIO_REGISTER_SIZE + 1] << 8) | + buf[regnr * RADIO_REGISTER_SIZE + 2]; return (retval < 0) ? -EINVAL : 0; } @@ -543,9 +576,11 @@ static int si470x_get_rds_registers(struct si470x_device *radio) /* * si470x_set_chan - set the channel */ -static int si470x_set_chan(struct si470x_device *radio, int chan) +static int si470x_set_chan(struct si470x_device *radio, unsigned short chan) { - int retval, i; + int retval; + unsigned long timeout; + bool timed_out = 0; /* start tuning */ radio->registers[CHANNEL] &= ~CHANNEL_CHAN; @@ -555,16 +590,17 @@ static int si470x_set_chan(struct si470x_device *radio, int chan) return retval; /* wait till seek operation has completed */ - i = 0; + timeout = jiffies + msecs_to_jiffies(tune_timeout); do { retval = si470x_get_register(radio, STATUSRSSI); if (retval < 0) return retval; - } while ((radio->registers[STATUSRSSI] & STATUSRSSI_STC) && - (++i < seek_retries)); - if (i >= seek_retries) + timed_out = time_after(jiffies, timeout); + } while (((radio->registers[STATUSRSSI] & STATUSRSSI_STC) == 0) && + (!timed_out)); + if (timed_out) printk(KERN_WARNING DRIVER_NAME - ": seek does not finish after %d tries\n", i); + ": seek does not finish after %d ms\n", tune_timeout); /* stop tuning */ radio->registers[CHANNEL] &= ~CHANNEL_TUNE; @@ -575,9 +611,10 @@ static int si470x_set_chan(struct si470x_device *radio, int chan) /* * si470x_get_freq - get the frequency */ -static int si470x_get_freq(struct si470x_device *radio) +static unsigned int si470x_get_freq(struct si470x_device *radio) { - int spacing, band_bottom, chan, freq; + unsigned int spacing, band_bottom, freq; + unsigned short chan; int retval; /* Spacing (kHz) */ @@ -616,9 +653,10 @@ static int si470x_get_freq(struct si470x_device *radio) /* * si470x_set_freq - set the frequency */ -static int si470x_set_freq(struct si470x_device *radio, int freq) +static int si470x_set_freq(struct si470x_device *radio, unsigned int freq) { - int spacing, band_bottom, chan; + unsigned int spacing, band_bottom; + unsigned short chan; /* Spacing (kHz) */ switch (space) { @@ -725,12 +763,6 @@ static int si470x_rds_on(struct si470x_device *radio) */ static void si470x_rds(struct si470x_device *radio) { - unsigned char tmpbuf[3]; - unsigned char blocknum; - unsigned char bler; /* rds block errors */ - unsigned short rds; - unsigned int i; - /* get rds blocks */ if (si470x_get_rds_registers(radio) < 0) return; @@ -745,6 +777,12 @@ static void si470x_rds(struct si470x_device *radio) /* copy four RDS blocks to internal buffer */ if (spin_trylock(&radio->lock)) { + unsigned char blocknum; + unsigned short bler; /* rds block errors */ + unsigned short rds; + unsigned char tmpbuf[3]; + unsigned char i; + /* process each rds block */ for (blocknum = 0; blocknum < 4; blocknum++) { switch (blocknum) { @@ -847,7 +885,6 @@ static ssize_t si470x_fops_read(struct file *file, char __user *buf, { struct si470x_device *radio = video_get_drvdata(video_devdata(file)); int retval = 0; - unsigned int block_count = 0; /* switch on rds reception */ if ((radio->registers[SYSCONFIG1] & SYSCONFIG1_RDS) == 0) { @@ -867,6 +904,7 @@ static ssize_t si470x_fops_read(struct file *file, char __user *buf, /* copy RDS block out of internal buffer and to user buffer */ if (spin_trylock(&radio->lock)) { + unsigned int block_count = 0; while (block_count < count) { if (radio->rd_index == radio->wr_index) break; @@ -1030,7 +1068,7 @@ static int si470x_vidioc_querycap(struct file *file, void *priv, strlcpy(capability->driver, DRIVER_NAME, sizeof(capability->driver)); strlcpy(capability->card, DRIVER_CARD, sizeof(capability->card)); sprintf(capability->bus_info, "USB"); - capability->version = DRIVER_VERSION; + capability->version = DRIVER_KERNEL_VERSION; capability->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO; return 0; @@ -1067,16 +1105,21 @@ static int si470x_vidioc_s_input(struct file *filp, void *priv, unsigned int i) static int si470x_vidioc_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *qc) { - int i; + unsigned char i; + int retval = -EINVAL; for (i = 0; i < ARRAY_SIZE(si470x_v4l2_queryctrl); i++) { if (qc->id && qc->id == si470x_v4l2_queryctrl[i].id) { memcpy(qc, &(si470x_v4l2_queryctrl[i]), sizeof(*qc)); - return 0; + retval = 0; + break; } } + if (retval < 0) + printk(KERN_WARNING DRIVER_NAME + ": query control failed with %d\n", retval); - return -EINVAL; + return retval; } @@ -1110,21 +1153,29 @@ static int si470x_vidioc_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { struct si470x_device *radio = video_get_drvdata(video_devdata(file)); + int retval; switch (ctrl->id) { case V4L2_CID_AUDIO_VOLUME: radio->registers[SYSCONFIG2] &= ~SYSCONFIG2_VOLUME; radio->registers[SYSCONFIG2] |= ctrl->value; - return si470x_set_register(radio, SYSCONFIG2); + retval = si470x_set_register(radio, SYSCONFIG2); + break; case V4L2_CID_AUDIO_MUTE: if (ctrl->value == 1) radio->registers[POWERCFG] &= ~POWERCFG_DMUTE; else radio->registers[POWERCFG] |= POWERCFG_DMUTE; - return si470x_set_register(radio, POWERCFG); + retval = si470x_set_register(radio, POWERCFG); + break; + default: + retval = -EINVAL; } + if (retval < 0) + printk(KERN_WARNING DRIVER_NAME + ": set control failed with %d\n", retval); - return -EINVAL; + return retval; } @@ -1163,8 +1214,8 @@ static int si470x_vidioc_s_audio(struct file *file, void *priv, static int si470x_vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *tuner) { - int retval; struct si470x_device *radio = video_get_drvdata(video_devdata(file)); + int retval; if (tuner->index > 0) return -EINVAL; @@ -1220,6 +1271,7 @@ static int si470x_vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *tuner) { struct si470x_device *radio = video_get_drvdata(video_devdata(file)); + int retval; if (tuner->index > 0) return -EINVAL; @@ -1229,7 +1281,12 @@ static int si470x_vidioc_s_tuner(struct file *file, void *priv, else radio->registers[POWERCFG] &= ~POWERCFG_MONO; /* try stereo */ - return si470x_set_register(radio, POWERCFG); + retval = si470x_set_register(radio, POWERCFG); + if (retval < 0) + printk(KERN_WARNING DRIVER_NAME + ": set tuner failed with %d\n", retval); + + return retval; } @@ -1255,11 +1312,17 @@ static int si470x_vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *freq) { struct si470x_device *radio = video_get_drvdata(video_devdata(file)); + int retval; if (freq->type != V4L2_TUNER_RADIO) return -EINVAL; - return si470x_set_freq(radio, freq->frequency); + retval = si470x_set_freq(radio, freq->frequency); + if (retval < 0) + printk(KERN_WARNING DRIVER_NAME + ": set frequency failed with %d\n", retval); + + return 0; } @@ -1409,7 +1472,7 @@ static struct usb_driver si470x_usb_driver = { */ static int __init si470x_module_init(void) { - printk(KERN_INFO DRIVER_DESC "\n"); + printk(KERN_INFO DRIVER_DESC ", Version " DRIVER_VERSION "\n"); return usb_register(&si470x_usb_driver); } @@ -1429,4 +1492,4 @@ module_exit(si470x_module_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_VERSION("1.0.4"); +MODULE_VERSION(DRIVER_VERSION); -- cgit v1.2.3 From dd49f30ca032464839085ec3a54dd9917829c891 Mon Sep 17 00:00:00 2001 From: Douglas Schilling Landgraf Date: Sun, 27 Jan 2008 14:29:51 -0300 Subject: V4L/DVB (7092): radio-sf16fmr2: fix request_region() validation [bugzilla 9699] This patch changed the request_region() validation to avoid invalid return. Thanks to Roland Kletzing for bug report and data collection. Signed-off-by: Douglas Schilling Landgraf Signed-off-by: Mauro Carvalho Chehab --- drivers/media/radio/radio-sf16fmr2.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/media/radio/radio-sf16fmr2.c b/drivers/media/radio/radio-sf16fmr2.c index f7c8b000404..ebc5fbbc38b 100644 --- a/drivers/media/radio/radio-sf16fmr2.c +++ b/drivers/media/radio/radio-sf16fmr2.c @@ -470,9 +470,8 @@ static int __init fmr2_init(void) mutex_init(&lock); - if (request_region(io, 2, "sf16fmr2")) - { - printk(KERN_ERR "fmr2: port 0x%x already in use\n", io); + if (!request_region(io, 2, "sf16fmr2")) { + printk(KERN_ERR "radio-sf16fmr2: request_region failed!\n"); return -EBUSY; } -- cgit v1.2.3 From e08a8c9dc7d247ec2a98ea2d7ac5ecea6af5593c Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Sun, 27 Jan 2008 14:43:20 -0300 Subject: V4L/DVB (7093): radio-sf16fmi: fix request_region() isapnp_fmi_probe attaches device. However, if request_region() fails, the device isn't disattached. Reviewed-by: Douglas Schilling Landgraf Signed-off-by: Mauro Carvalho Chehab --- drivers/media/radio/radio-sf16fmi.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/media/radio/radio-sf16fmi.c b/drivers/media/radio/radio-sf16fmi.c index 3118bdab318..53e11485737 100644 --- a/drivers/media/radio/radio-sf16fmi.c +++ b/drivers/media/radio/radio-sf16fmi.c @@ -361,6 +361,7 @@ static int __init fmi_init(void) } if (!request_region(io, 2, "radio-sf16fmi")) { printk(KERN_ERR "radio-sf16fmi: port 0x%x already in use\n", io); + pnp_device_detach(dev); return -EBUSY; } -- cgit v1.2.3 From 0e8f4cc5c8bb782edbaee54a760ebc034252fab0 Mon Sep 17 00:00:00 2001 From: Matthias Schwarzott Date: Mon, 28 Jan 2008 12:01:11 -0300 Subject: V4L/DVB (7097): saa7134-dvb: add missing dvb_attach call (for tda10046_attach) saa7134-dvb: add missing dvb_attach around tda10046_attach This patch adds a possibly missing dvb_attach for tda10046_attach. This removes the hard dependency of saa7134-dvb on tda1004x module. Signed-off-by: Matthias Schwarzott Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7134/saa7134-dvb.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c index 90f495a6780..e58f437ea9f 100644 --- a/drivers/media/video/saa7134/saa7134-dvb.c +++ b/drivers/media/video/saa7134/saa7134-dvb.c @@ -1022,8 +1022,9 @@ static int dvb_init(struct saa7134_dev *dev) } break; case SAA7134_BOARD_ASUS_EUROPA2_HYBRID: - dev->dvb.frontend = tda10046_attach(&medion_cardbus, - &dev->i2c_adap); + dev->dvb.frontend = dvb_attach(tda10046_attach, + &medion_cardbus, + &dev->i2c_adap); if (dev->dvb.frontend) { dev->original_demod_sleep = dev->dvb.frontend->ops.sleep; dev->dvb.frontend->ops.sleep = philips_europa_demod_sleep; -- cgit v1.2.3 From 805d92dfa627acad3d4a78966bc5e4f8183d48b3 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Mon, 28 Jan 2008 22:12:41 -0300 Subject: V4L/DVB (7100): frontends/tda18271-common.c: fix off-by-one This patch fixes an off-by-one error spotted by the Coverity checker. Signed-off-by: Adrian Bunk Reviewed-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/tda18271-common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/media/dvb/frontends/tda18271-common.c b/drivers/media/dvb/frontends/tda18271-common.c index cebb6b90b7e..bca57099061 100644 --- a/drivers/media/dvb/frontends/tda18271-common.c +++ b/drivers/media/dvb/frontends/tda18271-common.c @@ -171,7 +171,7 @@ int tda18271_read_extended(struct dvb_frontend *fe) if (ret != 2) tda_err("ERROR: i2c_transfer returned: %d\n", ret); - for (i = 0; i <= TDA18271_NUM_REGS; i++) { + for (i = 0; i < TDA18271_NUM_REGS; i++) { /* don't update write-only registers */ if ((i != R_EB9) && (i != R_EB16) && -- cgit v1.2.3 From c52c4d063eb163d2980c1884370da453662a1f31 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Mon, 28 Jan 2008 22:11:15 -0300 Subject: V4L/DVB (7102): make tuner-core.c:tuner_list static tuner_list can become static - and it's anyway a way too generic name for a global variable - see commit b00ef4b8d8c29bfb5f6f92ee60bc04b604f36ef2 for a completely different global variable of the same name I just made static... Signed-off-by: Adrian Bunk Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/tuner-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c index ba538f6fbcc..78a09a2a485 100644 --- a/drivers/media/video/tuner-core.c +++ b/drivers/media/video/tuner-core.c @@ -1038,7 +1038,7 @@ static int tuner_resume(struct i2c_client *c) /* ---------------------------------------------------------------------- */ -LIST_HEAD(tuner_list); +static LIST_HEAD(tuner_list); /* Search for existing radio and/or TV tuners on the given I2C adapter. Note that when this function is called from tuner_probe you can be -- cgit v1.2.3 From beb9e780a45a2e21f3d62bd4c71d695aa195fe69 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Mon, 28 Jan 2008 22:11:01 -0300 Subject: V4L/DVB (7103): make stk_camera_cleanup() static stk_camera_cleanup() can become static. Signed-off-by: Adrian Bunk Acked-by: Jaime Velasco Juan Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/stk-webcam.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/media/video/stk-webcam.c b/drivers/media/video/stk-webcam.c index 94a366cc997..ceba45ad029 100644 --- a/drivers/media/video/stk-webcam.c +++ b/drivers/media/video/stk-webcam.c @@ -63,7 +63,7 @@ static struct usb_device_id stkwebcam_table[] = { }; MODULE_DEVICE_TABLE(usb, stkwebcam_table); -void stk_camera_cleanup(struct kref *kref) +static void stk_camera_cleanup(struct kref *kref) { struct stk_camera *dev = to_stk_camera(kref); -- cgit v1.2.3 From fe2b8f50a336bcd51e3d209c5838c573b4b540b3 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Mon, 28 Jan 2008 22:10:58 -0300 Subject: V4L/DVB (7104): stk-sensor.c: make 2 functions static This patch makes the following needlessly global functions static: - stk_sensor_outb() - stk_sensor_inb() Signed-off-by: Adrian Bunk Acked-by: Jaime Velasco Juan Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/stk-sensor.c | 4 ++-- drivers/media/video/stk-webcam.h | 2 -- 2 files changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/stk-sensor.c b/drivers/media/video/stk-sensor.c index 1a8692d9ee5..e546b014d7a 100644 --- a/drivers/media/video/stk-sensor.c +++ b/drivers/media/video/stk-sensor.c @@ -225,7 +225,7 @@ /* Returns 0 if OK */ -int stk_sensor_outb(struct stk_camera *dev, u8 reg, u8 val) +static int stk_sensor_outb(struct stk_camera *dev, u8 reg, u8 val) { int i = 0; int tmpval = 0; @@ -250,7 +250,7 @@ int stk_sensor_outb(struct stk_camera *dev, u8 reg, u8 val) return 0; } -int stk_sensor_inb(struct stk_camera *dev, u8 reg, u8 *val) +static int stk_sensor_inb(struct stk_camera *dev, u8 reg, u8 *val) { int i = 0; int tmpval = 0; diff --git a/drivers/media/video/stk-webcam.h b/drivers/media/video/stk-webcam.h index a2164cb1ad2..df4dfefc532 100644 --- a/drivers/media/video/stk-webcam.h +++ b/drivers/media/video/stk-webcam.h @@ -128,8 +128,6 @@ void stk_camera_delete(struct kref *); int stk_camera_write_reg(struct stk_camera *, u16, u8); int stk_camera_read_reg(struct stk_camera *, u16, int *); -int stk_sensor_outb(struct stk_camera *dev, u8 reg, u8 val); -int stk_sensor_inb(struct stk_camera *dev, u8 reg, u8 *val); int stk_sensor_init(struct stk_camera *); int stk_sensor_configure(struct stk_camera *); int stk_sensor_sleep(struct stk_camera *dev); -- cgit v1.2.3 From 532fe65205253aef1ce5c0c76d2d8d303fb3fe71 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Mon, 28 Jan 2008 22:10:48 -0300 Subject: V4L/DVB (7106): em28xx/: make 2 functions static This patch makes the following needlessly global functions static: - em28xx-core.c:em28xx_write_reg_bits() - em28xx-video.c:em28xx_vdev_init() Signed-off-by: Adrian Bunk Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/em28xx/em28xx-core.c | 2 +- drivers/media/video/em28xx/em28xx-video.c | 8 ++++---- drivers/media/video/em28xx/em28xx.h | 2 -- 3 files changed, 5 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c index f6b78357f0e..41ed4be4ae0 100644 --- a/drivers/media/video/em28xx/em28xx-core.c +++ b/drivers/media/video/em28xx/em28xx-core.c @@ -237,7 +237,7 @@ int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len) * sets only some bits (specified by bitmask) of a register, by first reading * the actual value */ -int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val, +static int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val, u8 bitmask) { int oldval; diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index a0c33467248..c4126055bec 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -1796,10 +1796,10 @@ void em28xx_unregister_extension(struct em28xx_ops *ops) } EXPORT_SYMBOL(em28xx_unregister_extension); -struct video_device *em28xx_vdev_init(struct em28xx *dev, - const struct video_device *template, - const int type, - const char *type_name) +static struct video_device *em28xx_vdev_init(struct em28xx *dev, + const struct video_device *template, + const int type, + const char *type_name) { struct video_device *vfd; diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h index f3bad0c1c51..9759a7330a5 100644 --- a/drivers/media/video/em28xx/em28xx.h +++ b/drivers/media/video/em28xx/em28xx.h @@ -345,8 +345,6 @@ int em28xx_read_reg(struct em28xx *dev, u16 reg); int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf, int len); int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len); -int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val, - u8 bitmask); int em28xx_set_audio_source(struct em28xx *dev); int em28xx_audio_analog_set(struct em28xx *dev); -- cgit v1.2.3 From c3f686f152767b84893e474acd1a7758988dc369 Mon Sep 17 00:00:00 2001 From: Tobias Lorenz Date: Mon, 28 Jan 2008 22:43:13 -0300 Subject: V4L/DVB (7108): radio-si470x.c: check-after-use Adrian used the coverity checker against radio-si470x and found this: > The Coverity checker spotted the following check-after-use in > drivers/media/radio/radio-si470x.c: > > <-- snip --> > static void si470x_usb_driver_disconnect(struct usb_interface *intf) > { > struct si470x_device *radio = usb_get_intfdata(intf); > > del_timer_sync(&radio->timer); <------------------ > flush_scheduled_work(); > > usb_set_intfdata(intf, NULL); > if (radio) { <------------------ > video_unregister_device(radio->videodev); > kfree(radio->buffer); > kfree(radio); > } > } > <-- snip --> > > Either "radio" can be NULL and this case has to be properly handled or > the NULL check is not required. These two lines should indeed better be inside the if statement. Signed-off-by: Tobias Lorenz Signed-off-by: Mauro Carvalho Chehab --- drivers/media/radio/radio-si470x.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c index a2975c8b009..7fdee3cc6e0 100644 --- a/drivers/media/radio/radio-si470x.c +++ b/drivers/media/radio/radio-si470x.c @@ -1439,11 +1439,10 @@ static void si470x_usb_driver_disconnect(struct usb_interface *intf) { struct si470x_device *radio = usb_get_intfdata(intf); - del_timer_sync(&radio->timer); - flush_scheduled_work(); - usb_set_intfdata(intf, NULL); if (radio) { + del_timer_sync(&radio->timer); + flush_scheduled_work(); video_unregister_device(radio->videodev); kfree(radio->buffer); kfree(radio); -- cgit v1.2.3 From 998cb0827d62f13a80e7f7b0ec993e98184cbc57 Mon Sep 17 00:00:00 2001 From: Tobias Lorenz Date: Mon, 28 Jan 2008 22:49:14 -0300 Subject: V4L/DVB (7110): Trivial printf warning fix (radio-si470) Thanks to Darren Salt for pointing this issue. Signed-off-by: Tobias Lorenz Signed-off-by: Mauro Carvalho Chehab --- drivers/media/radio/radio-si470x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c index 7fdee3cc6e0..204577eb287 100644 --- a/drivers/media/radio/radio-si470x.c +++ b/drivers/media/radio/radio-si470x.c @@ -558,7 +558,7 @@ static int si470x_get_rds_registers(struct si470x_device *radio) (void *) &buf, sizeof(buf), &size, usb_timeout); if (size != sizeof(buf)) printk(KERN_WARNING DRIVER_NAME ": si470x_get_rds_register: " - "return size differs: %d != %d\n", size, sizeof(buf)); + "return size differs: %d != %ld\n", size, sizeof(buf)); if (retval < 0) printk(KERN_WARNING DRIVER_NAME ": si470x_get_rds_registers: " "usb_interrupt_msg returned %d\n", retval); -- cgit v1.2.3 From 03aa73c58704182298495569bbb613bf8fc770d1 Mon Sep 17 00:00:00 2001 From: Oliver Endriss Date: Tue, 29 Jan 2008 23:56:51 -0300 Subject: V4L/DVB (7116): budget-av: Add support for KNC TV Station Plus X4 Add support for KNC TV Station Plus X4, sub-system id 0x1894:0x0015. Based on a patch submitted by Johannes Deisenhofer. Thanks-to: Johannes Deisenhofer Signed-off-by: Oliver Endriss Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/ttpci/budget-av.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers') diff --git a/drivers/media/dvb/ttpci/budget-av.c b/drivers/media/dvb/ttpci/budget-av.c index 3439c9864f6..15fa88a174a 100644 --- a/drivers/media/dvb/ttpci/budget-av.c +++ b/drivers/media/dvb/ttpci/budget-av.c @@ -896,6 +896,7 @@ static u8 read_pwm(struct budget_av *budget_av) #define SUBID_DVBS_CINERGY1200 0x1154 #define SUBID_DVBS_CYNERGY1200N 0x1155 #define SUBID_DVBS_TV_STAR 0x0014 +#define SUBID_DVBS_TV_STAR_PLUS_X4 0x0015 #define SUBID_DVBS_TV_STAR_CI 0x0016 #define SUBID_DVBS_EASYWATCH_1 0x001a #define SUBID_DVBS_EASYWATCH_2 0x001b @@ -957,6 +958,7 @@ static void frontend_init(struct budget_av *budget_av) break; case SUBID_DVBS_TV_STAR: + case SUBID_DVBS_TV_STAR_PLUS_X4: case SUBID_DVBS_TV_STAR_CI: case SUBID_DVBS_CYNERGY1200N: case SUBID_DVBS_EASYWATCH: @@ -1249,6 +1251,7 @@ MAKE_BUDGET_INFO(satewps, "Satelco EasyWatch DVB-S", BUDGET_KNC1S); MAKE_BUDGET_INFO(satewplc, "Satelco EasyWatch DVB-C", BUDGET_KNC1CP); MAKE_BUDGET_INFO(satewcmk3, "Satelco EasyWatch DVB-C MK3", BUDGET_KNC1C_MK3); MAKE_BUDGET_INFO(knc1sp, "KNC1 DVB-S Plus", BUDGET_KNC1SP); +MAKE_BUDGET_INFO(knc1spx4, "KNC1 DVB-S Plus X4", BUDGET_KNC1SP); MAKE_BUDGET_INFO(knc1cp, "KNC1 DVB-C Plus", BUDGET_KNC1CP); MAKE_BUDGET_INFO(knc1cmk3, "KNC1 DVB-C MK3", BUDGET_KNC1C_MK3); MAKE_BUDGET_INFO(knc1cpmk3, "KNC1 DVB-C Plus MK3", BUDGET_KNC1CP_MK3); @@ -1266,6 +1269,7 @@ static struct pci_device_id pci_tbl[] = { MAKE_EXTENSION_PCI(knc1sp, 0x1131, 0x0011), MAKE_EXTENSION_PCI(knc1sp, 0x1894, 0x0011), MAKE_EXTENSION_PCI(kncxs, 0x1894, 0x0014), + MAKE_EXTENSION_PCI(knc1spx4, 0x1894, 0x0015), MAKE_EXTENSION_PCI(kncxs, 0x1894, 0x0016), MAKE_EXTENSION_PCI(satewpls, 0x1894, 0x001e), MAKE_EXTENSION_PCI(satewpls1, 0x1894, 0x001a), -- cgit v1.2.3 From 251130bf266000fe6e9fdccda50fe4b5c1d6cb24 Mon Sep 17 00:00:00 2001 From: Kim Sandberg Date: Wed, 30 Jan 2008 00:42:01 -0300 Subject: V4L/DVB (7117): budget-av: Add support for Satelco EasyWatch PCI DVB-T Add support for Satelco EasyWatch PCI DVB-T, sub-id 0x1894:0x003a. Signed-off-by: Kim Sandberg Signed-off-by: Oliver Endriss Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/ttpci/budget-av.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers') diff --git a/drivers/media/dvb/ttpci/budget-av.c b/drivers/media/dvb/ttpci/budget-av.c index 15fa88a174a..2d64d557b97 100644 --- a/drivers/media/dvb/ttpci/budget-av.c +++ b/drivers/media/dvb/ttpci/budget-av.c @@ -911,6 +911,7 @@ static u8 read_pwm(struct budget_av *budget_av) #define SUBID_DVBC_CINERGY1200 0x1156 #define SUBID_DVBC_CINERGY1200_MK3 0x1176 +#define SUBID_DVBT_EASYWATCH 0x003a #define SUBID_DVBT_KNC1_PLUS 0x0031 #define SUBID_DVBT_KNC1 0x0030 #define SUBID_DVBT_CINERGY1200 0x1157 @@ -1020,6 +1021,7 @@ static void frontend_init(struct budget_av *budget_av) } break; + case SUBID_DVBT_EASYWATCH: case SUBID_DVBT_KNC1: case SUBID_DVBT_KNC1_PLUS: case SUBID_DVBT_CINERGY1200: @@ -1250,6 +1252,7 @@ MAKE_BUDGET_INFO(satewpls1, "Satelco EasyWatch DVB-S light", BUDGET_KNC1S); MAKE_BUDGET_INFO(satewps, "Satelco EasyWatch DVB-S", BUDGET_KNC1S); MAKE_BUDGET_INFO(satewplc, "Satelco EasyWatch DVB-C", BUDGET_KNC1CP); MAKE_BUDGET_INFO(satewcmk3, "Satelco EasyWatch DVB-C MK3", BUDGET_KNC1C_MK3); +MAKE_BUDGET_INFO(satewt, "Satelco EasyWatch DVB-T", BUDGET_KNC1T); MAKE_BUDGET_INFO(knc1sp, "KNC1 DVB-S Plus", BUDGET_KNC1SP); MAKE_BUDGET_INFO(knc1spx4, "KNC1 DVB-S Plus X4", BUDGET_KNC1SP); MAKE_BUDGET_INFO(knc1cp, "KNC1 DVB-C Plus", BUDGET_KNC1CP); @@ -1276,6 +1279,7 @@ static struct pci_device_id pci_tbl[] = { MAKE_EXTENSION_PCI(satewps, 0x1894, 0x001b), MAKE_EXTENSION_PCI(satewplc, 0x1894, 0x002a), MAKE_EXTENSION_PCI(satewcmk3, 0x1894, 0x002c), + MAKE_EXTENSION_PCI(satewt, 0x1894, 0x003a), MAKE_EXTENSION_PCI(knc1c, 0x1894, 0x0020), MAKE_EXTENSION_PCI(knc1cp, 0x1894, 0x0021), MAKE_EXTENSION_PCI(knc1cmk3, 0x1894, 0x0022), -- cgit v1.2.3 From 0ed4a6ea9dbd9f5b77ce594f7f46be022d2c49ec Mon Sep 17 00:00:00 2001 From: Oliver Endriss Date: Wed, 30 Jan 2008 01:07:20 -0300 Subject: V4L/DVB (7118): dvb-ttpci: Improved display of still pictures Improved display of still pictures (VIDEO_STILLPICTURE ioctl). Ensure that both fields are displayed for progressive frames. Thanks to Reinhard Nissl and Klaus Schmidinger for finding out that the FREEZE command does this. Thanks-to: Reinhard Nissl Thanks-to: Klaus Schmidinger Signed-off-by: Oliver Endriss Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/ttpci/av7110_av.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/media/dvb/ttpci/av7110_av.c b/drivers/media/dvb/ttpci/av7110_av.c index aef6e36d7c5..3e6b650fbb8 100644 --- a/drivers/media/dvb/ttpci/av7110_av.c +++ b/drivers/media/dvb/ttpci/av7110_av.c @@ -966,6 +966,7 @@ static u8 iframe_header[] = { 0x00, 0x00, 0x01, 0xe0, 0x00, 0x00, 0x80, 0x00, 0x static int play_iframe(struct av7110 *av7110, char __user *buf, unsigned int len, int nonblock) { int i, n; + int progressive = 0; dprintk(2, "av7110:%p, \n", av7110); @@ -974,6 +975,14 @@ static int play_iframe(struct av7110 *av7110, char __user *buf, unsigned int len return -EBUSY; } + for (i = 0; i < len - 5; i++) { + /* get progressive flag from picture extension */ + if (buf[i] == 0x00 && buf[i+1] == 0x00 && + buf[i+2] == 0x01 && (unsigned char)buf[i+3] == 0xb5 && + (buf[i+4] & 0xf0) == 0x10) + progressive = buf[i+5] & 0x08; + } + /* setting n always > 1, fixes problems when playing stillframes consisting of I- and P-Frames */ n = MIN_IFRAME / len + 1; @@ -985,7 +994,11 @@ static int play_iframe(struct av7110 *av7110, char __user *buf, unsigned int len dvb_play(av7110, buf, len, 0, 1); av7110_ipack_flush(&av7110->ipack[1]); - return 0; + + if (progressive) + return vidcom(av7110, AV_VIDEO_CMD_FREEZE, 1); + else + return 0; } -- cgit v1.2.3 From ce3a35d3c00918296e552af5ecc7b771af766436 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Thu, 31 Jan 2008 13:40:04 -0300 Subject: V4L/DVB (7120): videobuf lock is already initialized at videobuf-core.c Removes the duplicated mutex_init code. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/common/saa7146_vbi.c | 1 - drivers/media/common/saa7146_video.c | 2 -- 2 files changed, 3 deletions(-) (limited to 'drivers') diff --git a/drivers/media/common/saa7146_vbi.c b/drivers/media/common/saa7146_vbi.c index c32dda973e9..bfbd5a841eb 100644 --- a/drivers/media/common/saa7146_vbi.c +++ b/drivers/media/common/saa7146_vbi.c @@ -413,7 +413,6 @@ static int vbi_open(struct saa7146_dev *dev, struct file *file) V4L2_FIELD_SEQ_TB, // FIXME: does this really work? sizeof(struct saa7146_buf), file); - mutex_init(&fh->vbi_q.lock); init_timer(&fh->vbi_read_timeout); fh->vbi_read_timeout.function = vbi_read_timeout; diff --git a/drivers/media/common/saa7146_video.c b/drivers/media/common/saa7146_video.c index c31ab480d8e..66fdbd0e6a6 100644 --- a/drivers/media/common/saa7146_video.c +++ b/drivers/media/common/saa7146_video.c @@ -1417,8 +1417,6 @@ static int video_open(struct saa7146_dev *dev, struct file *file) sizeof(struct saa7146_buf), file); - mutex_init(&fh->video_q.lock); - return 0; } -- cgit v1.2.3 From 64f9477f95bf5d4ba49dc3988d47a15bc06bb5da Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Thu, 31 Jan 2008 13:57:53 -0300 Subject: V4L/DVB (7121): Renames videobuf lock to vb_lock This helps to identify where vb_lock is being used, and find missusages of the locks. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/bt8xx/bttv-driver.c | 50 +++++++++-------- drivers/media/video/bt8xx/bttv-vbi.c | 4 +- drivers/media/video/saa7134/saa7134-empress.c | 8 +-- drivers/media/video/saa7134/saa7134-video.c | 20 +++---- drivers/media/video/videobuf-core.c | 78 +++++++++++++-------------- drivers/media/video/videobuf-dma-sg.c | 4 +- drivers/media/video/videobuf-vmalloc.c | 4 +- include/media/videobuf-core.h | 2 +- 8 files changed, 84 insertions(+), 86 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c index 907dc62c178..d9ce9a48ef5 100644 --- a/drivers/media/video/bt8xx/bttv-driver.c +++ b/drivers/media/video/bt8xx/bttv-driver.c @@ -2354,8 +2354,8 @@ static int setup_window(struct bttv_fh *fh, struct bttv *btv, BUG(); } - mutex_lock(&fh->cap.lock); - kfree(fh->ov.clips); + mutex_lock(&fh->cap.vb_lock); + kfree(fh->ov.clips); fh->ov.clips = clips; fh->ov.nclips = n; @@ -2376,7 +2376,7 @@ static int setup_window(struct bttv_fh *fh, struct bttv *btv, bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new); retval = bttv_switch_overlay(btv,fh,new); } - mutex_unlock(&fh->cap.lock); + mutex_unlock(&fh->cap.vb_lock); return retval; } @@ -2576,7 +2576,7 @@ static int bttv_s_fmt_cap(struct file *file, void *priv, fmt = format_by_fourcc(f->fmt.pix.pixelformat); /* update our state informations */ - mutex_lock(&fh->cap.lock); + mutex_lock(&fh->cap.vb_lock); fh->fmt = fmt; fh->cap.field = f->fmt.pix.field; fh->cap.last = V4L2_FIELD_NONE; @@ -2585,7 +2585,7 @@ static int bttv_s_fmt_cap(struct file *file, void *priv, btv->init.fmt = fmt; btv->init.width = f->fmt.pix.width; btv->init.height = f->fmt.pix.height; - mutex_unlock(&fh->cap.lock); + mutex_unlock(&fh->cap.vb_lock); return 0; } @@ -2611,11 +2611,11 @@ static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) unsigned int i; struct bttv_fh *fh = priv; - mutex_lock(&fh->cap.lock); + mutex_lock(&fh->cap.vb_lock); retval = videobuf_mmap_setup(&fh->cap, gbuffers, gbufsize, V4L2_MEMORY_MMAP); if (retval < 0) { - mutex_unlock(&fh->cap.lock); + mutex_unlock(&fh->cap.vb_lock); return retval; } @@ -2627,7 +2627,7 @@ static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) for (i = 0; i < gbuffers; i++) mbuf->offsets[i] = i * gbufsize; - mutex_unlock(&fh->cap.lock); + mutex_unlock(&fh->cap.vb_lock); return 0; } #endif @@ -2756,7 +2756,7 @@ static int bttv_overlay(struct file *file, void *f, unsigned int on) if (!check_alloc_btres(btv, fh, RESOURCE_OVERLAY)) return -EBUSY; - mutex_lock(&fh->cap.lock); + mutex_lock(&fh->cap.vb_lock); if (on) { fh->ov.tvnorm = btv->tvnorm; new = videobuf_pci_alloc(sizeof(*new)); @@ -2767,7 +2767,7 @@ static int bttv_overlay(struct file *file, void *f, unsigned int on) /* switch over */ retval = bttv_switch_overlay(btv, fh, new); - mutex_unlock(&fh->cap.lock); + mutex_unlock(&fh->cap.vb_lock); return retval; } @@ -2806,7 +2806,7 @@ static int bttv_s_fbuf(struct file *file, void *f, } /* ok, accept it */ - mutex_lock(&fh->cap.lock); + mutex_lock(&fh->cap.vb_lock); btv->fbuf.base = fb->base; btv->fbuf.fmt.width = fb->fmt.width; btv->fbuf.fmt.height = fb->fmt.height; @@ -2838,7 +2838,7 @@ static int bttv_s_fbuf(struct file *file, void *f, retval = bttv_switch_overlay(btv, fh, new); } } - mutex_unlock(&fh->cap.lock); + mutex_unlock(&fh->cap.vb_lock); return retval; } @@ -3090,7 +3090,7 @@ static int bttv_s_crop(struct file *file, void *f, struct v4l2_crop *crop) fh->do_crop = 1; - mutex_lock(&fh->cap.lock); + mutex_lock(&fh->cap.vb_lock); if (fh->width < c.min_scaled_width) { fh->width = c.min_scaled_width; @@ -3108,7 +3108,7 @@ static int bttv_s_crop(struct file *file, void *f, struct v4l2_crop *crop) btv->init.height = c.max_scaled_height; } - mutex_unlock(&fh->cap.lock); + mutex_unlock(&fh->cap.vb_lock); return 0; } @@ -3177,30 +3177,25 @@ static unsigned int bttv_poll(struct file *file, poll_table *wait) buf = list_entry(fh->cap.stream.next,struct bttv_buffer,vb.stream); } else { /* read() capture */ - mutex_lock(&fh->cap.lock); + mutex_lock(&fh->cap.vb_lock); if (NULL == fh->cap.read_buf) { /* need to capture a new frame */ - if (locked_btres(fh->btv,RESOURCE_VIDEO_STREAM)) { - mutex_unlock(&fh->cap.lock); - return POLLERR; - } + if (locked_btres(fh->btv,RESOURCE_VIDEO_STREAM)) + goto err; fh->cap.read_buf = videobuf_pci_alloc(fh->cap.msize); - if (NULL == fh->cap.read_buf) { - mutex_unlock(&fh->cap.lock); - return POLLERR; - } + if (NULL == fh->cap.read_buf) + goto err; fh->cap.read_buf->memory = V4L2_MEMORY_USERPTR; field = videobuf_next_field(&fh->cap); if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,field)) { kfree (fh->cap.read_buf); fh->cap.read_buf = NULL; - mutex_unlock(&fh->cap.lock); - return POLLERR; + goto err; } fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf); fh->cap.read_off = 0; } - mutex_unlock(&fh->cap.lock); + mutex_unlock(&fh->cap.vb_lock); buf = (struct bttv_buffer*)fh->cap.read_buf; } @@ -3209,6 +3204,9 @@ static unsigned int bttv_poll(struct file *file, poll_table *wait) buf->vb.state == VIDEOBUF_ERROR) return POLLIN|POLLRDNORM; return 0; +err: + mutex_unlock(&fh->cap.vb_lock); + return POLLERR; } static int bttv_open(struct inode *inode, struct file *file) diff --git a/drivers/media/video/bt8xx/bttv-vbi.c b/drivers/media/video/bt8xx/bttv-vbi.c index 1f0cc79e2a3..75fa82c7c73 100644 --- a/drivers/media/video/bt8xx/bttv-vbi.c +++ b/drivers/media/video/bt8xx/bttv-vbi.c @@ -352,13 +352,13 @@ int bttv_s_fmt_vbi(struct file *file, void *f, struct v4l2_format *frt) because vbi_fmt.end counts field lines times two. */ end = max(frt->fmt.vbi.start[0], start1) * 2 + 2; - mutex_lock(&fh->vbi.lock); + mutex_lock(&fh->vbi.vb_lock); fh->vbi_fmt.fmt = frt->fmt.vbi; fh->vbi_fmt.tvnorm = tvnorm; fh->vbi_fmt.end = end; - mutex_unlock(&fh->vbi.lock); + mutex_unlock(&fh->vbi.vb_lock); rc = 0; diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c index b1b01fa8672..94b81e1a753 100644 --- a/drivers/media/video/saa7134/saa7134-empress.c +++ b/drivers/media/video/saa7134/saa7134-empress.c @@ -87,7 +87,7 @@ static int ts_open(struct inode *inode, struct file *file) dprintk("open minor=%d\n",minor); err = -EBUSY; - if (!mutex_trylock(&dev->empress_tsq.lock)) + if (!mutex_trylock(&dev->empress_tsq.vb_lock)) goto done; if (dev->empress_users) goto done_up; @@ -101,7 +101,7 @@ static int ts_open(struct inode *inode, struct file *file) err = 0; done_up: - mutex_unlock(&dev->empress_tsq.lock); + mutex_unlock(&dev->empress_tsq.vb_lock); done: return err; } @@ -110,7 +110,7 @@ static int ts_release(struct inode *inode, struct file *file) { struct saa7134_dev *dev = file->private_data; - mutex_lock(&dev->empress_tsq.lock); + mutex_lock(&dev->empress_tsq.vb_lock); videobuf_stop(&dev->empress_tsq); videobuf_mmap_free(&dev->empress_tsq); dev->empress_users--; @@ -122,7 +122,7 @@ static int ts_release(struct inode *inode, struct file *file) saa_writeb(SAA7134_AUDIO_MUTE_CTRL, saa_readb(SAA7134_AUDIO_MUTE_CTRL) | (1 << 6)); - mutex_unlock(&dev->empress_tsq.lock); + mutex_unlock(&dev->empress_tsq.vb_lock); return 0; } diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c index 1184d359e84..39c41ad97d0 100644 --- a/drivers/media/video/saa7134/saa7134-video.c +++ b/drivers/media/video/saa7134/saa7134-video.c @@ -1414,21 +1414,17 @@ video_poll(struct file *file, struct poll_table_struct *wait) if (!list_empty(&fh->cap.stream)) buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream); } else { - mutex_lock(&fh->cap.lock); + mutex_lock(&fh->cap.vb_lock); if (UNSET == fh->cap.read_off) { /* need to capture a new frame */ - if (res_locked(fh->dev,RESOURCE_VIDEO)) { - mutex_unlock(&fh->cap.lock); - return POLLERR; - } - if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) { - mutex_unlock(&fh->cap.lock); - return POLLERR; - } + if (res_locked(fh->dev,RESOURCE_VIDEO)) + goto err; + if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) + goto err; fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf); fh->cap.read_off = 0; } - mutex_unlock(&fh->cap.lock); + mutex_unlock(&fh->cap.vb_lock); buf = fh->cap.read_buf; } @@ -1440,6 +1436,10 @@ video_poll(struct file *file, struct poll_table_struct *wait) buf->state == VIDEOBUF_ERROR) return POLLIN|POLLRDNORM; return 0; + +err: + mutex_unlock(&fh->cap.vb_lock); + return POLLERR; } static int video_release(struct inode *inode, struct file *file) diff --git a/drivers/media/video/videobuf-core.c b/drivers/media/video/videobuf-core.c index 80a14da9ace..eab79ffdf56 100644 --- a/drivers/media/video/videobuf-core.c +++ b/drivers/media/video/videobuf-core.c @@ -147,7 +147,7 @@ void videobuf_queue_core_init(struct videobuf_queue *q, /* Having implementations for abstract methods are mandatory */ BUG_ON(!q->int_ops); - mutex_init(&q->lock); + mutex_init(&q->vb_lock); INIT_LIST_HEAD(&q->stream); } @@ -189,7 +189,7 @@ int videobuf_queue_is_busy(struct videobuf_queue *q) return 0; } -/* Locking: Caller holds q->lock */ +/* Locking: Caller holds q->vb_lock */ void videobuf_queue_cancel(struct videobuf_queue *q) { unsigned long flags = 0; @@ -220,7 +220,7 @@ void videobuf_queue_cancel(struct videobuf_queue *q) /* --------------------------------------------------------------------- */ -/* Locking: Caller holds q->lock */ +/* Locking: Caller holds q->vb_lock */ enum v4l2_field videobuf_next_field(struct videobuf_queue *q) { enum v4l2_field field = q->field; @@ -239,7 +239,7 @@ enum v4l2_field videobuf_next_field(struct videobuf_queue *q) return field; } -/* Locking: Caller holds q->lock */ +/* Locking: Caller holds q->vb_lock */ static void videobuf_status(struct videobuf_queue *q, struct v4l2_buffer *b, struct videobuf_buffer *vb, enum v4l2_buf_type type) { @@ -295,7 +295,7 @@ static void videobuf_status(struct videobuf_queue *q, struct v4l2_buffer *b, b->sequence = vb->field_count >> 1; } -/* Locking: Caller holds q->lock */ +/* Locking: Caller holds q->vb_lock */ static int __videobuf_mmap_free(struct videobuf_queue *q) { int i; @@ -328,13 +328,13 @@ static int __videobuf_mmap_free(struct videobuf_queue *q) int videobuf_mmap_free(struct videobuf_queue *q) { int ret; - mutex_lock(&q->lock); + mutex_lock(&q->vb_lock); ret = __videobuf_mmap_free(q); - mutex_unlock(&q->lock); + mutex_unlock(&q->vb_lock); return ret; } -/* Locking: Caller holds q->lock */ +/* Locking: Caller holds q->vb_lock */ static int __videobuf_mmap_setup(struct videobuf_queue *q, unsigned int bcount, unsigned int bsize, enum v4l2_memory memory) @@ -384,9 +384,9 @@ int videobuf_mmap_setup(struct videobuf_queue *q, enum v4l2_memory memory) { int ret; - mutex_lock(&q->lock); + mutex_lock(&q->vb_lock); ret = __videobuf_mmap_setup(q, bcount, bsize, memory); - mutex_unlock(&q->lock); + mutex_unlock(&q->vb_lock); return ret; } @@ -408,7 +408,7 @@ int videobuf_reqbufs(struct videobuf_queue *q, return -EINVAL; } - mutex_lock(&q->lock); + mutex_lock(&q->vb_lock); if (req->type != q->type) { dprintk(1, "reqbufs: queue type invalid\n"); retval = -EINVAL; @@ -444,7 +444,7 @@ int videobuf_reqbufs(struct videobuf_queue *q, req->count = retval; done: - mutex_unlock(&q->lock); + mutex_unlock(&q->vb_lock); return retval; } @@ -452,7 +452,7 @@ int videobuf_querybuf(struct videobuf_queue *q, struct v4l2_buffer *b) { int ret = -EINVAL; - mutex_lock(&q->lock); + mutex_lock(&q->vb_lock); if (unlikely(b->type != q->type)) { dprintk(1, "querybuf: Wrong type.\n"); goto done; @@ -470,7 +470,7 @@ int videobuf_querybuf(struct videobuf_queue *q, struct v4l2_buffer *b) ret = 0; done: - mutex_unlock(&q->lock); + mutex_unlock(&q->vb_lock); return ret; } @@ -487,7 +487,7 @@ int videobuf_qbuf(struct videobuf_queue *q, if (b->memory == V4L2_MEMORY_MMAP) down_read(¤t->mm->mmap_sem); - mutex_lock(&q->lock); + mutex_lock(&q->vb_lock); retval = -EBUSY; if (q->reading) { dprintk(1, "qbuf: Reading running...\n"); @@ -573,7 +573,7 @@ int videobuf_qbuf(struct videobuf_queue *q, retval = 0; done: - mutex_unlock(&q->lock); + mutex_unlock(&q->vb_lock); if (b->memory == V4L2_MEMORY_MMAP) up_read(¤t->mm->mmap_sem); @@ -589,7 +589,7 @@ int videobuf_dqbuf(struct videobuf_queue *q, MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS); - mutex_lock(&q->lock); + mutex_lock(&q->vb_lock); retval = -EBUSY; if (q->reading) { dprintk(1, "dqbuf: Reading running...\n"); @@ -632,7 +632,7 @@ int videobuf_dqbuf(struct videobuf_queue *q, videobuf_status(q, b, buf, q->type); done: - mutex_unlock(&q->lock); + mutex_unlock(&q->vb_lock); return retval; } @@ -642,7 +642,7 @@ int videobuf_streamon(struct videobuf_queue *q) unsigned long flags = 0; int retval; - mutex_lock(&q->lock); + mutex_lock(&q->vb_lock); retval = -EBUSY; if (q->reading) goto done; @@ -659,11 +659,11 @@ int videobuf_streamon(struct videobuf_queue *q) spin_unlock_irqrestore(q->irqlock, flags); done: - mutex_unlock(&q->lock); + mutex_unlock(&q->vb_lock); return retval; } -/* Locking: Caller holds q->lock */ +/* Locking: Caller holds q->vb_lock */ static int __videobuf_streamoff(struct videobuf_queue *q) { if (!q->streaming) @@ -679,14 +679,14 @@ int videobuf_streamoff(struct videobuf_queue *q) { int retval; - mutex_lock(&q->lock); + mutex_lock(&q->vb_lock); retval = __videobuf_streamoff(q); - mutex_unlock(&q->lock); + mutex_unlock(&q->vb_lock); return retval; } -/* Locking: Caller holds q->lock */ +/* Locking: Caller holds q->vb_lock */ static ssize_t videobuf_read_zerocopy(struct videobuf_queue *q, char __user *data, size_t count, loff_t *ppos) @@ -745,7 +745,7 @@ ssize_t videobuf_read_one(struct videobuf_queue *q, MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS); - mutex_lock(&q->lock); + mutex_lock(&q->vb_lock); nbufs = 1; size = 0; q->ops->buf_setup(q, &nbufs, &size); @@ -817,11 +817,11 @@ ssize_t videobuf_read_one(struct videobuf_queue *q, } done: - mutex_unlock(&q->lock); + mutex_unlock(&q->vb_lock); return retval; } -/* Locking: Caller holds q->lock */ +/* Locking: Caller holds q->vb_lock */ static int __videobuf_read_start(struct videobuf_queue *q) { enum v4l2_field field; @@ -882,23 +882,23 @@ int videobuf_read_start(struct videobuf_queue *q) { int rc; - mutex_lock(&q->lock); + mutex_lock(&q->vb_lock); rc = __videobuf_read_start(q); - mutex_unlock(&q->lock); + mutex_unlock(&q->vb_lock); return rc; } void videobuf_read_stop(struct videobuf_queue *q) { - mutex_lock(&q->lock); + mutex_lock(&q->vb_lock); __videobuf_read_stop(q); - mutex_unlock(&q->lock); + mutex_unlock(&q->vb_lock); } void videobuf_stop(struct videobuf_queue *q) { - mutex_lock(&q->lock); + mutex_lock(&q->vb_lock); if (q->streaming) __videobuf_streamoff(q); @@ -906,7 +906,7 @@ void videobuf_stop(struct videobuf_queue *q) if (q->reading) __videobuf_read_stop(q); - mutex_unlock(&q->lock); + mutex_unlock(&q->vb_lock); } @@ -920,7 +920,7 @@ ssize_t videobuf_read_stream(struct videobuf_queue *q, MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS); dprintk(2, "%s\n", __FUNCTION__); - mutex_lock(&q->lock); + mutex_lock(&q->vb_lock); retval = -EBUSY; if (q->streaming) goto done; @@ -980,7 +980,7 @@ ssize_t videobuf_read_stream(struct videobuf_queue *q, } done: - mutex_unlock(&q->lock); + mutex_unlock(&q->vb_lock); return retval; } @@ -991,7 +991,7 @@ unsigned int videobuf_poll_stream(struct file *file, struct videobuf_buffer *buf = NULL; unsigned int rc = 0; - mutex_lock(&q->lock); + mutex_lock(&q->vb_lock); if (q->streaming) { if (!list_empty(&q->stream)) buf = list_entry(q->stream.next, @@ -1019,7 +1019,7 @@ unsigned int videobuf_poll_stream(struct file *file, buf->state == VIDEOBUF_ERROR) rc = POLLIN|POLLRDNORM; } - mutex_unlock(&q->lock); + mutex_unlock(&q->vb_lock); return rc; } @@ -1030,10 +1030,10 @@ int videobuf_mmap_mapper(struct videobuf_queue *q, MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS); - mutex_lock(&q->lock); + mutex_lock(&q->vb_lock); retval = CALL(q, mmap_mapper, q, vma); q->is_mmapped = 1; - mutex_unlock(&q->lock); + mutex_unlock(&q->vb_lock); return retval; } diff --git a/drivers/media/video/videobuf-dma-sg.c b/drivers/media/video/videobuf-dma-sg.c index 98efd7ab1f5..53fed4b74ce 100644 --- a/drivers/media/video/videobuf-dma-sg.c +++ b/drivers/media/video/videobuf-dma-sg.c @@ -356,7 +356,7 @@ videobuf_vm_close(struct vm_area_struct *vma) map->count--; if (0 == map->count) { dprintk(1,"munmap %p q=%p\n",map,q); - mutex_lock(&q->lock); + mutex_lock(&q->vb_lock); for (i = 0; i < VIDEO_MAX_FRAME; i++) { if (NULL == q->bufs[i]) continue; @@ -373,7 +373,7 @@ videobuf_vm_close(struct vm_area_struct *vma) q->bufs[i]->baddr = 0; q->ops->buf_release(q,q->bufs[i]); } - mutex_unlock(&q->lock); + mutex_unlock(&q->vb_lock); kfree(map); } return; diff --git a/drivers/media/video/videobuf-vmalloc.c b/drivers/media/video/videobuf-vmalloc.c index 9b3898347ca..03b3b41cbb6 100644 --- a/drivers/media/video/videobuf-vmalloc.c +++ b/drivers/media/video/videobuf-vmalloc.c @@ -70,7 +70,7 @@ videobuf_vm_close(struct vm_area_struct *vma) map->count--; if (0 == map->count) { dprintk(1,"munmap %p q=%p\n",map,q); - mutex_lock(&q->lock); + mutex_lock(&q->vb_lock); for (i = 0; i < VIDEO_MAX_FRAME; i++) { if (NULL == q->bufs[i]) continue; @@ -83,7 +83,7 @@ videobuf_vm_close(struct vm_area_struct *vma) q->bufs[i]->map = NULL; q->bufs[i]->baddr = 0; } - mutex_unlock(&q->lock); + mutex_unlock(&q->vb_lock); kfree(map); } return; diff --git a/include/media/videobuf-core.h b/include/media/videobuf-core.h index 97f14d46959..99033945cde 100644 --- a/include/media/videobuf-core.h +++ b/include/media/videobuf-core.h @@ -149,7 +149,7 @@ struct videobuf_qtype_ops { }; struct videobuf_queue { - struct mutex lock; + struct mutex vb_lock; spinlock_t *irqlock; void *dev; /* on pci, points to struct pci_dev */ -- cgit v1.2.3 From fb62a5953e9e6969f78adc7291c1a8845116f776 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Thu, 31 Jan 2008 13:59:29 -0300 Subject: V4L/DVB (7122): saa7134-empress: Remove back lock videobuf functions at close() method already locks videobuf. It makes no sense to keep the locking at empress close() method. There is also a lock at open() method. I'm not sure if it is safe to remove the locking there. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7134/saa7134-empress.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c index 94b81e1a753..3d2ec30de22 100644 --- a/drivers/media/video/saa7134/saa7134-empress.c +++ b/drivers/media/video/saa7134/saa7134-empress.c @@ -110,7 +110,6 @@ static int ts_release(struct inode *inode, struct file *file) { struct saa7134_dev *dev = file->private_data; - mutex_lock(&dev->empress_tsq.vb_lock); videobuf_stop(&dev->empress_tsq); videobuf_mmap_free(&dev->empress_tsq); dev->empress_users--; @@ -122,7 +121,6 @@ static int ts_release(struct inode *inode, struct file *file) saa_writeb(SAA7134_AUDIO_MUTE_CTRL, saa_readb(SAA7134_AUDIO_MUTE_CTRL) | (1 << 6)); - mutex_unlock(&dev->empress_tsq.vb_lock); return 0; } -- cgit v1.2.3 From 427d20c4e6321ed2482630900891e40b4f2de6a3 Mon Sep 17 00:00:00 2001 From: Luc Saillard Date: Wed, 30 Jan 2008 17:23:00 -0300 Subject: V4L/DVB (7132): Add USB ID for a newer variant of Hauppauge WinTV-HVR 900 Device description: WinTV-HVR-900 M/R: 65018/B3C0 ##4207 Signed-off-by: Luc Saillard Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/CARDLIST.em28xx | 2 +- drivers/media/video/em28xx/em28xx-cards.c | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/Documentation/video4linux/CARDLIST.em28xx b/Documentation/video4linux/CARDLIST.em28xx index 6a8469f2bca..f40e09296f3 100644 --- a/Documentation/video4linux/CARDLIST.em28xx +++ b/Documentation/video4linux/CARDLIST.em28xx @@ -8,7 +8,7 @@ 7 -> Leadtek Winfast USB II (em2800) 8 -> Kworld USB2800 (em2800) 9 -> Pinnacle Dazzle DVC 90/DVC 100 (em2820/em2840) [2304:0207,2304:021a] - 10 -> Hauppauge WinTV HVR 900 (em2880) [2040:6500] + 10 -> Hauppauge WinTV HVR 900 (em2880) [2040:6500,2040:6502] 11 -> Terratec Hybrid XS (em2880) [0ccd:0042] 12 -> Kworld PVR TV 2800 RF (em2820/em2840) 13 -> Terratec Prodigy XS (em2880) [0ccd:0047] diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c index 2159d0160df..fc160772930 100644 --- a/drivers/media/video/em28xx/em28xx-cards.c +++ b/drivers/media/video/em28xx/em28xx-cards.c @@ -441,6 +441,8 @@ struct usb_device_id em28xx_id_table [] = { .driver_info = EM2820_BOARD_PINNACLE_DVC_90 }, { USB_DEVICE(0x2040, 0x6500), .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 }, + { USB_DEVICE(0x2040, 0x6502), + .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 }, { USB_DEVICE(0x2040, 0x6513), .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_950 }, { USB_DEVICE(0x0ccd, 0x0042), -- cgit v1.2.3 From 18c0ecf16e1caa266e12319b5ab82d80e8a3ccf0 Mon Sep 17 00:00:00 2001 From: Roel Kluin <12o3l@tiscali.nl> Date: Sat, 2 Feb 2008 20:20:58 -0300 Subject: V4L/DVB (7139): add parentheses '!' has a higher priority than '&': bitanding has no effect. Signed-off-by: Roel Kluin <12o3l@tiscali.nl> Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/tvaudio.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/tvaudio.c b/drivers/media/video/tvaudio.c index a75560540e7..01ebcec040c 100644 --- a/drivers/media/video/tvaudio.c +++ b/drivers/media/video/tvaudio.c @@ -1571,14 +1571,14 @@ static int tvaudio_get_ctrl(struct CHIPSTATE *chip, ctrl->value=chip->muted; return 0; case V4L2_CID_AUDIO_VOLUME: - if (!desc->flags & CHIP_HAS_VOLUME) + if (!(desc->flags & CHIP_HAS_VOLUME)) break; ctrl->value = max(chip->left,chip->right); return 0; case V4L2_CID_AUDIO_BALANCE: { int volume; - if (!desc->flags & CHIP_HAS_VOLUME) + if (!(desc->flags & CHIP_HAS_VOLUME)) break; volume = max(chip->left,chip->right); if (volume) @@ -1621,7 +1621,7 @@ static int tvaudio_set_ctrl(struct CHIPSTATE *chip, { int volume,balance; - if (!desc->flags & CHIP_HAS_VOLUME) + if (!(desc->flags & CHIP_HAS_VOLUME)) break; volume = max(chip->left,chip->right); @@ -1642,7 +1642,7 @@ static int tvaudio_set_ctrl(struct CHIPSTATE *chip, case V4L2_CID_AUDIO_BALANCE: { int volume, balance; - if (!desc->flags & CHIP_HAS_VOLUME) + if (!(desc->flags & CHIP_HAS_VOLUME)) break; volume = max(chip->left,chip->right); @@ -1702,7 +1702,7 @@ static int chip_command(struct i2c_client *client, break; case V4L2_CID_AUDIO_VOLUME: case V4L2_CID_AUDIO_BALANCE: - if (!desc->flags & CHIP_HAS_VOLUME) + if (!(desc->flags & CHIP_HAS_VOLUME)) return -EINVAL; break; case V4L2_CID_AUDIO_BASS: -- cgit v1.2.3 From 384b835aed8acf341d99969b58d27434685bdd3d Mon Sep 17 00:00:00 2001 From: Brandon Philips Date: Mon, 4 Feb 2008 20:52:21 -0300 Subject: V4L/DVB (7150): [v4l] convert videbuf_vmalloc_memory to videobuf_vmalloc_memory Signed-off-by: Brandon Philips Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/videobuf-vmalloc.c | 16 +++++++--------- include/media/videobuf-vmalloc.h | 2 +- 2 files changed, 8 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/videobuf-vmalloc.c b/drivers/media/video/videobuf-vmalloc.c index 03b3b41cbb6..5266ecc91da 100644 --- a/drivers/media/video/videobuf-vmalloc.c +++ b/drivers/media/video/videobuf-vmalloc.c @@ -107,7 +107,7 @@ static struct vm_operations_struct videobuf_vm_ops = static void *__videobuf_alloc(size_t size) { - struct videbuf_vmalloc_memory *mem; + struct videobuf_vmalloc_memory *mem; struct videobuf_buffer *vb; vb = kzalloc(size+sizeof(*mem),GFP_KERNEL); @@ -127,9 +127,7 @@ static int __videobuf_iolock (struct videobuf_queue* q, struct v4l2_framebuffer *fbuf) { int pages; - - struct videbuf_vmalloc_memory *mem=vb->priv; - + struct videobuf_vmalloc_memory *mem=vb->priv; BUG_ON(!mem); @@ -195,7 +193,7 @@ static int __videobuf_mmap_free(struct videobuf_queue *q) static int __videobuf_mmap_mapper(struct videobuf_queue *q, struct vm_area_struct *vma) { - struct videbuf_vmalloc_memory *mem; + struct videobuf_vmalloc_memory *mem; struct videobuf_mapping *map; unsigned int first; int retval; @@ -267,7 +265,7 @@ static int __videobuf_copy_to_user ( struct videobuf_queue *q, char __user *data, size_t count, int nonblocking ) { - struct videbuf_vmalloc_memory *mem=q->read_buf->priv; + struct videobuf_vmalloc_memory *mem=q->read_buf->priv; BUG_ON (!mem); MAGIC_CHECK(mem->magic,MAGIC_VMAL_MEM); @@ -288,7 +286,7 @@ static int __videobuf_copy_stream ( struct videobuf_queue *q, int vbihack, int nonblocking ) { unsigned int *fc; - struct videbuf_vmalloc_memory *mem=q->read_buf->priv; + struct videobuf_vmalloc_memory *mem=q->read_buf->priv; BUG_ON (!mem); MAGIC_CHECK(mem->magic,MAGIC_VMAL_MEM); @@ -341,7 +339,7 @@ EXPORT_SYMBOL_GPL(videobuf_queue_vmalloc_init); void *videobuf_to_vmalloc (struct videobuf_buffer *buf) { - struct videbuf_vmalloc_memory *mem=buf->priv; + struct videobuf_vmalloc_memory *mem=buf->priv; BUG_ON (!mem); MAGIC_CHECK(mem->magic,MAGIC_VMAL_MEM); @@ -351,7 +349,7 @@ EXPORT_SYMBOL_GPL(videobuf_to_vmalloc); void videobuf_vmalloc_free (struct videobuf_buffer *buf) { - struct videbuf_vmalloc_memory *mem=buf->priv; + struct videobuf_vmalloc_memory *mem=buf->priv; BUG_ON (!mem); MAGIC_CHECK(mem->magic,MAGIC_VMAL_MEM); diff --git a/include/media/videobuf-vmalloc.h b/include/media/videobuf-vmalloc.h index 26a8958d23d..ec63ab0fab9 100644 --- a/include/media/videobuf-vmalloc.h +++ b/include/media/videobuf-vmalloc.h @@ -17,7 +17,7 @@ /* --------------------------------------------------------------------- */ -struct videbuf_vmalloc_memory +struct videobuf_vmalloc_memory { u32 magic; -- cgit v1.2.3 From 1685a6fed210b110ac8abeff24e2ffd1713cb3fb Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Tue, 5 Feb 2008 07:37:21 -0300 Subject: V4L/DVB (7156): em28xx/em28xx-core.c: fix use of potentially uninitialized variable drivers/media/video/em28xx/em28xx-core.c: In function 'em28xx_set_audio_source': drivers/media/video/em28xx/em28xx-core.c:276: warning: 'no_ac97' may be used uninitialized in this function This looks like a genuine bug to me. Signed-off-by: Andrew Morton Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/em28xx/em28xx-core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c index 41ed4be4ae0..33d323cbce7 100644 --- a/drivers/media/video/em28xx/em28xx-core.c +++ b/drivers/media/video/em28xx/em28xx-core.c @@ -273,7 +273,8 @@ int em28xx_set_audio_source(struct em28xx *dev) static char *enable = "\x08\x08"; static char *disable = "\x08\x88"; char *video = enable, *line = disable; - int ret, no_ac97; + int ret; + int no_ac97 = 0; u8 input; if (dev->is_em2800) { -- cgit v1.2.3 From 7463dda2ae868d3e0a6c98f65d6331481fc73ca3 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 5 Feb 2008 22:29:26 -0300 Subject: V4L/DVB (7158): Fix em28xx audio initialization AC97 register initialization seem to always be needed. This patch fixes audio for Prolink/Pixelview USB2 board. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/em28xx/em28xx-cards.c | 6 +++--- drivers/media/video/em28xx/em28xx-core.c | 11 +++-------- 2 files changed, 6 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c index fc160772930..aae7753fef1 100644 --- a/drivers/media/video/em28xx/em28xx-cards.c +++ b/drivers/media/video/em28xx/em28xx-cards.c @@ -393,15 +393,15 @@ struct em28xx_board em28xx_boards[] = { .input = { { .type = EM28XX_VMUX_TELEVISION, .vmux = SAA7115_COMPOSITE2, - .amux = 1, + .amux = EM28XX_AMUX_LINE_IN, }, { .type = EM28XX_VMUX_COMPOSITE1, .vmux = SAA7115_COMPOSITE0, - .amux = 1, + .amux = EM28XX_AMUX_LINE_IN, }, { .type = EM28XX_VMUX_SVIDEO, .vmux = SAA7115_SVIDEO3, - .amux = 1, + .amux = EM28XX_AMUX_LINE_IN, } }, }, }; diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c index 33d323cbce7..4ffb8d0bc52 100644 --- a/drivers/media/video/em28xx/em28xx-core.c +++ b/drivers/media/video/em28xx/em28xx-core.c @@ -274,7 +274,6 @@ int em28xx_set_audio_source(struct em28xx *dev) static char *disable = "\x08\x88"; char *video = enable, *line = disable; int ret; - int no_ac97 = 0; u8 input; if (dev->is_em2800) { @@ -294,11 +293,9 @@ int em28xx_set_audio_source(struct em28xx *dev) switch (dev->ctl_ainput) { case EM28XX_AMUX_VIDEO: input = EM28XX_AUDIO_SRC_TUNER; - no_ac97 = 1; break; case EM28XX_AMUX_LINE_IN: input = EM28XX_AUDIO_SRC_LINE; - no_ac97 = 1; break; case EM28XX_AMUX_AC97_VIDEO: input = EM28XX_AUDIO_SRC_LINE; @@ -315,11 +312,9 @@ int em28xx_set_audio_source(struct em28xx *dev) if (ret < 0) return ret; - if (no_ac97) - return 0; - - /* Sets AC97 mixer registers */ - + /* Sets AC97 mixer registers + This is seems to be needed, even for non-ac97 configs + */ ret = em28xx_write_ac97(dev, VIDEO_AC97, video); if (ret < 0) return ret; -- cgit v1.2.3 From 1e7ad56f1fef94a7d8c1050bf3548d957fe67c01 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Wed, 6 Feb 2008 09:00:41 -0300 Subject: V4L/DVB (7160): em28xx: Allow register dump/setting for debug Adds vidioc_[g|s]_register handlers. This allows getting/setting register from em28xx. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/em28xx/em28xx-video.c | 66 +++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) (limited to 'drivers') diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index c4126055bec..4c836ad5cf4 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -830,6 +830,64 @@ static int vidioc_s_frequency(struct file *file, void *priv, return 0; } +#ifdef CONFIG_VIDEO_ADV_DEBUG +static int em28xx_reg_len(int reg) +{ + switch (reg) { + case AC97LSB_REG: + case HSCALELOW_REG: + case VSCALELOW_REG: + + return 2; + default: + return 1; + } +} + +static int vidioc_g_register(struct file *file, void *priv, + struct v4l2_register *reg) +{ + struct em28xx_fh *fh = priv; + struct em28xx *dev = fh->dev; + int ret; + + if (!v4l2_chip_match_host(reg->match_type, reg->match_chip)) + return -EINVAL; + + if (em28xx_reg_len(reg->reg) == 1) { + ret = em28xx_read_reg(dev, reg->reg); + if (ret < 0) + return ret; + + reg->val = ret; + } else { + u16 val; + ret = em28xx_read_reg_req_len(dev, USB_REQ_GET_STATUS, + reg->reg, (char *)&val, 2); + if (ret < 0) + return ret; + + reg->val = val; + } + + return 0; +} + +static int vidioc_s_register(struct file *file, void *priv, + struct v4l2_register *reg) +{ + struct em28xx_fh *fh = priv; + struct em28xx *dev = fh->dev; + u16 buf; + + buf = be16_to_cpu((__u16)reg->val); + + return em28xx_write_regs(dev, reg->reg, (char *)&buf, + em28xx_reg_len(reg->reg)); +} +#endif + + static int vidioc_cropcap(struct file *file, void *priv, struct v4l2_cropcap *cc) { @@ -1730,6 +1788,10 @@ static const struct video_device em28xx_video_template = { .vidioc_s_tuner = vidioc_s_tuner, .vidioc_g_frequency = vidioc_g_frequency, .vidioc_s_frequency = vidioc_s_frequency, +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif .tvnorms = V4L2_STD_ALL, .current_norm = V4L2_STD_PAL, @@ -1752,6 +1814,10 @@ static struct video_device em28xx_radio_template = { .vidioc_s_ctrl = vidioc_s_ctrl, .vidioc_g_frequency = vidioc_g_frequency, .vidioc_s_frequency = vidioc_s_frequency, +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif }; /******************************** usb interface *****************************************/ -- cgit v1.2.3 From 0da5176f4e0d5aea3e33a11a17c1847939df4dcc Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Wed, 6 Feb 2008 15:55:19 -0300 Subject: V4L/DVB (7161): em28xx: Fix printing debug values higher than 127 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/em28xx/em28xx-core.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c index 4ffb8d0bc52..6965bafe54a 100644 --- a/drivers/media/video/em28xx/em28xx-core.c +++ b/drivers/media/video/em28xx/em28xx-core.c @@ -150,7 +150,7 @@ int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg, if (reg_debug){ printk(ret < 0 ? " failed!\n" : "%02x values: ", ret); for (byte = 0; byte < len; byte++) { - printk(" %02x", buf[byte]); + printk(" %02x", (unsigned char)buf[byte]); } printk("\n"); } @@ -177,7 +177,8 @@ int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg) 0x0000, reg, &val, 1, HZ); if (reg_debug) - printk(ret < 0 ? " failed!\n" : "%02x\n", val); + printk(ret < 0 ? " failed!\n" : + "%02x\n", (unsigned char) val); if (ret < 0) return ret; -- cgit v1.2.3 From 0df8130fe80ebde052516c1d729aa5d1c69ebc5c Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Wed, 6 Feb 2008 15:56:16 -0300 Subject: V4L/DVB (7162): em28xx: Fix endian and returns the correct values Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/em28xx/em28xx-video.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index 4c836ad5cf4..f69f591eeaf 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -861,13 +861,13 @@ static int vidioc_g_register(struct file *file, void *priv, reg->val = ret; } else { - u16 val; + u64 val = 0; ret = em28xx_read_reg_req_len(dev, USB_REQ_GET_STATUS, reg->reg, (char *)&val, 2); if (ret < 0) return ret; - reg->val = val; + reg->val = cpu_to_le64((__u64)val); } return 0; @@ -878,9 +878,9 @@ static int vidioc_s_register(struct file *file, void *priv, { struct em28xx_fh *fh = priv; struct em28xx *dev = fh->dev; - u16 buf; + u64 buf; - buf = be16_to_cpu((__u16)reg->val); + buf = le64_to_cpu((__u64)reg->val); return em28xx_write_regs(dev, reg->reg, (char *)&buf, em28xx_reg_len(reg->reg)); -- cgit v1.2.3 From 00b8730f5db19f9ea0985d7f14f869df79a0bf76 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Wed, 6 Feb 2008 18:34:13 -0300 Subject: V4L/DVB (7163): em28xx: makes audio settings more stable Improves audio configurations on em28xx: - mutes audio before changing amux; - adds a delay after setting audio src; - waits up to 50ms for ac97 busy. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/em28xx/em28xx-core.c | 28 ++++++++++++++++++++-------- drivers/media/video/em28xx/em28xx-video.c | 3 +-- 2 files changed, 21 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c index 6965bafe54a..275f1e93630 100644 --- a/drivers/media/video/em28xx/em28xx-core.c +++ b/drivers/media/video/em28xx/em28xx-core.c @@ -255,21 +255,26 @@ static int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val, */ static int em28xx_write_ac97(struct em28xx *dev, u8 reg, u8 *val) { - int ret; + int ret, i; u8 addr = reg & 0x7f; if ((ret = em28xx_write_regs(dev, AC97LSB_REG, val, 2)) < 0) return ret; if ((ret = em28xx_write_regs(dev, AC97ADDR_REG, &addr, 1)) < 0) return ret; - if ((ret = em28xx_read_reg(dev, AC97BUSY_REG)) < 0) - return ret; - else if (((u8) ret) & 0x01) { - em28xx_warn ("AC97 command still being executed: not handled properly!\n"); + + /* Wait up to 50 ms for AC97 command to complete */ + for (i = 0; i < 10; i++) { + if ((ret = em28xx_read_reg(dev, AC97BUSY_REG)) < 0) + return ret; + if (!((u8) ret) & 0x01) + return 0; + msleep(5); } + em28xx_warn ("AC97 command still being executed: not handled properly!\n"); return 0; } -int em28xx_set_audio_source(struct em28xx *dev) +static int em28xx_set_audio_source(struct em28xx *dev) { static char *enable = "\x08\x08"; static char *disable = "\x08\x88"; @@ -312,6 +317,7 @@ int em28xx_set_audio_source(struct em28xx *dev) ret = em28xx_write_reg_bits(dev, AUDIOSRC_REG, input, 0xc0); if (ret < 0) return ret; + msleep(5); /* Sets AC97 mixer registers This is seems to be needed, even for non-ac97 configs @@ -334,9 +340,10 @@ int em28xx_audio_analog_set(struct em28xx *dev) s[0] |= 0x1f - dev->volume; s[1] |= 0x1f - dev->volume; - if (dev->mute) - s[1] |= 0x80; + /* Mute */ + s[1] |= 0x80; ret = em28xx_write_ac97(dev, MASTER_AC97, s); + if (ret < 0) return ret; @@ -354,6 +361,11 @@ int em28xx_audio_analog_set(struct em28xx *dev) /* Selects the proper audio input */ ret = em28xx_set_audio_source(dev); + /* Unmute device */ + if (!dev->mute) + s[1] &= ~0x80; + ret = em28xx_write_ac97(dev, MASTER_AC97, s); + return ret; } EXPORT_SYMBOL_GPL(em28xx_audio_analog_set); diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index f69f591eeaf..eeda3b2faec 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -189,7 +189,7 @@ static void video_mux(struct em28xx *dev, int index) em28xx_i2c_call_clients(dev, VIDIOC_INT_S_AUDIO_ROUTING, &route); } - em28xx_set_audio_source(dev); + em28xx_audio_analog_set(dev); } /* Usage lock check functions */ @@ -837,7 +837,6 @@ static int em28xx_reg_len(int reg) case AC97LSB_REG: case HSCALELOW_REG: case VSCALELOW_REG: - return 2; default: return 1; -- cgit v1.2.3 From 92ea42f442c4895e38f525a097d7d8ce2a55b9b9 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Wed, 6 Feb 2008 18:52:15 -0300 Subject: V4L/DVB (7164): em28xx-alsa: Add a missing mutex Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/em28xx/em28xx-audio.c | 5 +++++ drivers/media/video/em28xx/em28xx.h | 1 - 2 files changed, 5 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/media/video/em28xx/em28xx-audio.c b/drivers/media/video/em28xx/em28xx-audio.c index 2c7343d3139..8c67f678266 100644 --- a/drivers/media/video/em28xx/em28xx-audio.c +++ b/drivers/media/video/em28xx/em28xx-audio.c @@ -269,8 +269,11 @@ static int snd_em28xx_capture_open(struct snd_pcm_substream *substream) dprintk("opening device and trying to acquire exclusive lock\n"); /* Sets volume, mute, etc */ + dev->mute = 0; + mutex_lock(&dev->lock); ret = em28xx_audio_analog_set(dev); + mutex_unlock(&dev->lock); if (ret < 0) goto err; @@ -302,7 +305,9 @@ static int snd_em28xx_pcm_close(struct snd_pcm_substream *substream) dprintk("closing device\n"); dev->mute = 1; + mutex_lock(&dev->lock); em28xx_audio_analog_set(dev); + mutex_unlock(&dev->lock); if (dev->adev->users == 0 && dev->adev->shutdown == 1) { dprintk("audio users: %d\n", dev->adev->users); diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h index 9759a7330a5..813c0af458d 100644 --- a/drivers/media/video/em28xx/em28xx.h +++ b/drivers/media/video/em28xx/em28xx.h @@ -345,7 +345,6 @@ int em28xx_read_reg(struct em28xx *dev, u16 reg); int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf, int len); int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len); -int em28xx_set_audio_source(struct em28xx *dev); int em28xx_audio_analog_set(struct em28xx *dev); int em28xx_colorlevels_set_default(struct em28xx *dev); -- cgit v1.2.3 From 3687e1e67e4920a202d53cc24678fb34fcda8fc5 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Fri, 8 Feb 2008 15:44:25 -0300 Subject: V4L/DVB (7179): Allow more than one em28xx board em28xx driver is capable of handling more than one usb device. However, isoc transfers require a large amount of data to be transfered. Before this patch, just one em28xx board were enough to allocate more than 50% URBs: T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 8 B: Alloc=480/800 us (60%), #Int= 0, #Iso= 2 D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1 So, only one board could use an USB host at the same time. After the patch, it is possible to use more than one em28xx at the same time, on the same usb host, if the image size is slower or equal to 345600, since those images will require about 30% of the URBs: T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 8 B: Alloc=232/800 us (29%), #Int= 0, #Iso= 2 D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1 So, in thesis, after the patch, it would be possible to use up to 3 boards by each usb host, if the devices are generating small images. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/em28xx/em28xx-core.c | 62 ++++++++++++++++++++----------- drivers/media/video/em28xx/em28xx-video.c | 4 +- drivers/media/video/em28xx/em28xx.h | 2 +- 3 files changed, 43 insertions(+), 25 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c index 275f1e93630..0966017ca74 100644 --- a/drivers/media/video/em28xx/em28xx-core.c +++ b/drivers/media/video/em28xx/em28xx-core.c @@ -72,7 +72,8 @@ u32 em28xx_request_buffers(struct em28xx *dev, u32 count) const size_t imagesize = PAGE_ALIGN(dev->frame_size); /*needs to be page aligned cause the buffers can be mapped individually! */ void *buff = NULL; u32 i; - em28xx_coredbg("requested %i buffers with size %zi", count, imagesize); + em28xx_coredbg("requested %i buffers with size %zi\n", + count, imagesize); if (count > EM28XX_NUM_FRAMES) count = EM28XX_NUM_FRAMES; @@ -676,7 +677,7 @@ static void em28xx_isocIrq(struct urb *urb) continue; } if (urb->iso_frame_desc[i].actual_length > - dev->max_pkt_size) { + urb->iso_frame_desc[i].length) { em28xx_isocdbg("packet bigger than packet size"); continue; } @@ -722,8 +723,11 @@ void em28xx_uninit_isoc(struct em28xx *dev) for (i = 0; i < EM28XX_NUM_BUFS; i++) { if (dev->urb[i]) { usb_kill_urb(dev->urb[i]); - if (dev->transfer_buffer[i]){ - usb_buffer_free(dev->udev,(EM28XX_NUM_PACKETS*dev->max_pkt_size),dev->transfer_buffer[i],dev->urb[i]->transfer_dma); + if (dev->transfer_buffer[i]) { + usb_buffer_free(dev->udev, + dev->urb[i]->transfer_buffer_length, + dev->transfer_buffer[i], + dev->urb[i]->transfer_dma); } usb_free_urb(dev->urb[i]); } @@ -741,7 +745,10 @@ int em28xx_init_isoc(struct em28xx *dev) { /* change interface to 3 which allows the biggest packet sizes */ int i, errCode; - const int sb_size = EM28XX_NUM_PACKETS * dev->max_pkt_size; + int sb_size; + + em28xx_set_alternate(dev); + sb_size = EM28XX_NUM_PACKETS * dev->max_pkt_size; /* reset streaming vars */ dev->frame_current = NULL; @@ -750,7 +757,7 @@ int em28xx_init_isoc(struct em28xx *dev) /* allocate urbs */ for (i = 0; i < EM28XX_NUM_BUFS; i++) { struct urb *urb; - int j, k; + int j; /* allocate transfer buffer */ urb = usb_alloc_urb(EM28XX_NUM_PACKETS, GFP_KERNEL); if (!urb){ @@ -758,7 +765,9 @@ int em28xx_init_isoc(struct em28xx *dev) em28xx_uninit_isoc(dev); return -ENOMEM; } - dev->transfer_buffer[i] = usb_buffer_alloc(dev->udev, sb_size, GFP_KERNEL,&urb->transfer_dma); + dev->transfer_buffer[i] = usb_buffer_alloc(dev->udev, sb_size, + GFP_KERNEL, + &urb->transfer_dma); if (!dev->transfer_buffer[i]) { em28xx_errdev ("unable to allocate %i bytes for transfer buffer %i\n", @@ -777,16 +786,16 @@ int em28xx_init_isoc(struct em28xx *dev) urb->complete = em28xx_isocIrq; urb->number_of_packets = EM28XX_NUM_PACKETS; urb->transfer_buffer_length = sb_size; - for (j = k = 0; j < EM28XX_NUM_PACKETS; - j++, k += dev->max_pkt_size) { - urb->iso_frame_desc[j].offset = k; - urb->iso_frame_desc[j].length = - dev->max_pkt_size; + for (j = 0; j < EM28XX_NUM_PACKETS; j++) { + urb->iso_frame_desc[j].offset = j * dev->max_pkt_size; + urb->iso_frame_desc[j].length = dev->max_pkt_size; } dev->urb[i] = urb; } /* submit urbs */ + em28xx_coredbg("Submitting %d urbs of %d packets (%d each)\n", + EM28XX_NUM_BUFS, EM28XX_NUM_PACKETS, dev->max_pkt_size); for (i = 0; i < EM28XX_NUM_BUFS; i++) { errCode = usb_submit_urb(dev->urb[i], GFP_KERNEL); if (errCode) { @@ -803,22 +812,31 @@ int em28xx_init_isoc(struct em28xx *dev) int em28xx_set_alternate(struct em28xx *dev) { int errCode, prev_alt = dev->alt; - dev->alt = alt; - if (dev->alt == 0) { - int i; - for(i=0;i< dev->num_alt; i++) - if(dev->alt_max_pkt_size[i]>dev->alt_max_pkt_size[dev->alt]) - dev->alt=i; - } + int i; + unsigned int min_pkt_size = dev->bytesperline+4; + + /* When image size is bigger than a ceirtain value, + the frame size should be increased, otherwise, only + green screen will be received. + */ + if (dev->frame_size > 720*240*2) + min_pkt_size *= 2; + + for (i = 0; i < dev->num_alt; i++) + if (dev->alt_max_pkt_size[i] >= min_pkt_size) + break; + dev->alt = i; if (dev->alt != prev_alt) { + em28xx_coredbg("minimum isoc packet size: %u (alt=%d)\n", + min_pkt_size, dev->alt); dev->max_pkt_size = dev->alt_max_pkt_size[dev->alt]; - em28xx_coredbg("setting alternate %d with wMaxPacketSize=%u\n", dev->alt, - dev->max_pkt_size); + em28xx_coredbg("setting alternate %d with wMaxPacketSize=%u\n", + dev->alt, dev->max_pkt_size); errCode = usb_set_interface(dev->udev, 0, dev->alt); if (errCode < 0) { em28xx_errdev ("cannot change alternate number to %d (error=%i)\n", - dev->alt, errCode); + dev->alt, errCode); return errCode; } } diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index eeda3b2faec..4abe6701a77 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -1352,8 +1352,6 @@ static int em28xx_v4l2_open(struct inode *inode, struct file *filp) filp->private_data = fh; if (dev->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { - em28xx_set_alternate(dev); - dev->width = norm_maxw(dev); dev->height = norm_maxh(dev); dev->frame_size = dev->width * dev->height * 2; @@ -1362,6 +1360,7 @@ static int em28xx_v4l2_open(struct inode *inode, struct file *filp) dev->hscale = 0; dev->vscale = 0; + em28xx_set_alternate(dev); em28xx_capture_start(dev, 1); em28xx_resolution_set(dev); @@ -2129,6 +2128,7 @@ static int em28xx_usb_probe(struct usb_interface *interface, snprintf(dev->name, 29, "em28xx #%d", nr); dev->devno = nr; dev->model = id->driver_info; + dev->alt = -1; /* Checks if audio is provided by some interface */ for (i = 0; i < udev->config->desc.bNumInterfaces; i++) { diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h index 813c0af458d..04e0e48ecab 100644 --- a/drivers/media/video/em28xx/em28xx.h +++ b/drivers/media/video/em28xx/em28xx.h @@ -33,7 +33,7 @@ #define UNSET -1 /* maximum number of em28xx boards */ -#define EM28XX_MAXBOARDS 1 /*FIXME: should be bigger */ +#define EM28XX_MAXBOARDS 4 /*FIXME: should be bigger */ /* maximum number of frames that can be queued */ #define EM28XX_NUM_FRAMES 5 -- cgit v1.2.3 From 61b080d214c4dba91fb726169fb0c3f0e8de4b45 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Fri, 8 Feb 2008 16:07:04 -0300 Subject: V4L/DVB (7180): em28xx: add URB_NO_TRANSFER_DMA_MAP, since urb->transfer_dma is set Thanks to Alan Stern for pointing this issue. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/em28xx/em28xx-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c index 0966017ca74..7d1537cab86 100644 --- a/drivers/media/video/em28xx/em28xx-core.c +++ b/drivers/media/video/em28xx/em28xx-core.c @@ -780,7 +780,7 @@ int em28xx_init_isoc(struct em28xx *dev) urb->dev = dev->udev; urb->context = dev; urb->pipe = usb_rcvisocpipe(dev->udev, 0x82); - urb->transfer_flags = URB_ISO_ASAP; + urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; urb->interval = 1; urb->transfer_buffer = dev->transfer_buffer[i]; urb->complete = em28xx_isocIrq; -- cgit v1.2.3 From 83947d307d63dc0c30ab0809714f0bcbbdf8c3e2 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Sun, 10 Feb 2008 20:13:25 -0300 Subject: V4L/DVB (7183): radio-si470x: fix build warning fix the following build warning: radio-si470x.c: In function 'si470x_get_rds_registers': radio-si470x.c:562: warning: format '%ld' expects type 'long int', but argument 3 has type 'unsigned int' Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/radio/radio-si470x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c index 204577eb287..d428c3aa2bf 100644 --- a/drivers/media/radio/radio-si470x.c +++ b/drivers/media/radio/radio-si470x.c @@ -558,7 +558,7 @@ static int si470x_get_rds_registers(struct si470x_device *radio) (void *) &buf, sizeof(buf), &size, usb_timeout); if (size != sizeof(buf)) printk(KERN_WARNING DRIVER_NAME ": si470x_get_rds_register: " - "return size differs: %d != %ld\n", size, sizeof(buf)); + "return size differs: %d != %uld\n", size, sizeof(buf)); if (retval < 0) printk(KERN_WARNING DRIVER_NAME ": si470x_get_rds_registers: " "usb_interrupt_msg returned %d\n", retval); -- cgit v1.2.3 From ea75baf4b0f117564bd50827a49c4b14d61d24e9 Mon Sep 17 00:00:00 2001 From: Hartmut Hackmann Date: Sat, 9 Feb 2008 23:54:24 -0300 Subject: V4L/DVB (7186): tda10086: make the 22kHz tone for DISEQC a config option Some cards need the diseqc signal modulated, while some just need the envelope to control the LNB supply. This fixes Bug 9887 Signed-off-by: Hartmut Hackmann Acked-by: Oliver Endriss Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/ttusb2.c | 1 + drivers/media/dvb/frontends/tda10086.c | 28 ++++++++++++++++++++++------ drivers/media/dvb/frontends/tda10086.h | 3 +++ drivers/media/dvb/ttpci/budget.c | 1 + drivers/media/video/saa7134/saa7134-dvb.c | 5 +++-- 5 files changed, 30 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/media/dvb/dvb-usb/ttusb2.c b/drivers/media/dvb/dvb-usb/ttusb2.c index 88dc4367a2e..3b9da9c25c6 100644 --- a/drivers/media/dvb/dvb-usb/ttusb2.c +++ b/drivers/media/dvb/dvb-usb/ttusb2.c @@ -144,6 +144,7 @@ static int ttusb2_power_ctrl(struct dvb_usb_device *d, int onoff) static struct tda10086_config tda10086_config = { .demod_address = 0x0e, .invert = 0, + .diseqc_tone = 1, }; static int ttusb2_frontend_attach(struct dvb_usb_adapter *adap) diff --git a/drivers/media/dvb/frontends/tda10086.c b/drivers/media/dvb/frontends/tda10086.c index 9d26ace6515..0d2b69a99ad 100644 --- a/drivers/media/dvb/frontends/tda10086.c +++ b/drivers/media/dvb/frontends/tda10086.c @@ -106,9 +106,12 @@ static int tda10086_write_mask(struct tda10086_state *state, int reg, int mask, static int tda10086_init(struct dvb_frontend* fe) { struct tda10086_state* state = fe->demodulator_priv; + u8 t22k_off = 0x80; dprintk ("%s\n", __FUNCTION__); + if (state->config->diseqc_tone) + t22k_off = 0; // reset tda10086_write_byte(state, 0x00, 0x00); msleep(10); @@ -158,7 +161,7 @@ static int tda10086_init(struct dvb_frontend* fe) tda10086_write_byte(state, 0x3d, 0x80); // setup SEC - tda10086_write_byte(state, 0x36, 0x80); // all SEC off, no 22k tone + tda10086_write_byte(state, 0x36, t22k_off); // all SEC off, 22k tone tda10086_write_byte(state, 0x34, (((1<<19) * (22000/1000)) / (SACLK/1000))); // } tone frequency tda10086_write_byte(state, 0x35, (((1<<19) * (22000/1000)) / (SACLK/1000)) >> 8); // } @@ -180,16 +183,20 @@ static void tda10086_diseqc_wait(struct tda10086_state *state) static int tda10086_set_tone (struct dvb_frontend* fe, fe_sec_tone_mode_t tone) { struct tda10086_state* state = fe->demodulator_priv; + u8 t22k_off = 0x80; dprintk ("%s\n", __FUNCTION__); + if (state->config->diseqc_tone) + t22k_off = 0; + switch (tone) { case SEC_TONE_OFF: - tda10086_write_byte(state, 0x36, 0x80); + tda10086_write_byte(state, 0x36, t22k_off); break; case SEC_TONE_ON: - tda10086_write_byte(state, 0x36, 0x81); + tda10086_write_byte(state, 0x36, 0x01 + t22k_off); break; } @@ -202,9 +209,13 @@ static int tda10086_send_master_cmd (struct dvb_frontend* fe, struct tda10086_state* state = fe->demodulator_priv; int i; u8 oldval; + u8 t22k_off = 0x80; dprintk ("%s\n", __FUNCTION__); + if (state->config->diseqc_tone) + t22k_off = 0; + if (cmd->msg_len > 6) return -EINVAL; oldval = tda10086_read_byte(state, 0x36); @@ -212,7 +223,8 @@ static int tda10086_send_master_cmd (struct dvb_frontend* fe, for(i=0; i< cmd->msg_len; i++) { tda10086_write_byte(state, 0x48+i, cmd->msg[i]); } - tda10086_write_byte(state, 0x36, 0x88 | ((cmd->msg_len - 1) << 4)); + tda10086_write_byte(state, 0x36, (0x08 + t22k_off) + | ((cmd->msg_len - 1) << 4)); tda10086_diseqc_wait(state); @@ -225,16 +237,20 @@ static int tda10086_send_burst (struct dvb_frontend* fe, fe_sec_mini_cmd_t minic { struct tda10086_state* state = fe->demodulator_priv; u8 oldval = tda10086_read_byte(state, 0x36); + u8 t22k_off = 0x80; dprintk ("%s\n", __FUNCTION__); + if (state->config->diseqc_tone) + t22k_off = 0; + switch(minicmd) { case SEC_MINI_A: - tda10086_write_byte(state, 0x36, 0x84); + tda10086_write_byte(state, 0x36, 0x04 + t22k_off); break; case SEC_MINI_B: - tda10086_write_byte(state, 0x36, 0x86); + tda10086_write_byte(state, 0x36, 0x06 + t22k_off); break; } diff --git a/drivers/media/dvb/frontends/tda10086.h b/drivers/media/dvb/frontends/tda10086.h index ed584a8f4a8..eeceaeee78f 100644 --- a/drivers/media/dvb/frontends/tda10086.h +++ b/drivers/media/dvb/frontends/tda10086.h @@ -33,6 +33,9 @@ struct tda10086_config /* does the "inversion" need inverted? */ u8 invert; + + /* do we need the diseqc signal with carrier? */ + u8 diseqc_tone; }; #if defined(CONFIG_DVB_TDA10086) || (defined(CONFIG_DVB_TDA10086_MODULE) && defined(MODULE)) diff --git a/drivers/media/dvb/ttpci/budget.c b/drivers/media/dvb/ttpci/budget.c index 9268a82bada..14b00f57b5d 100644 --- a/drivers/media/dvb/ttpci/budget.c +++ b/drivers/media/dvb/ttpci/budget.c @@ -351,6 +351,7 @@ static struct s5h1420_config s5h1420_config = { static struct tda10086_config tda10086_config = { .demod_address = 0x0e, .invert = 0, + .diseqc_tone = 1, }; static u8 read_pwm(struct budget* budget) diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c index e58f437ea9f..ea2be9eceeb 100644 --- a/drivers/media/video/saa7134/saa7134-dvb.c +++ b/drivers/media/video/saa7134/saa7134-dvb.c @@ -841,6 +841,7 @@ static struct tda1004x_config ads_tech_duo_config = { static struct tda10086_config flydvbs = { .demod_address = 0x0e, .invert = 0, + .diseqc_tone = 0, }; /* ================================================================== @@ -955,9 +956,9 @@ static int dvb_init(struct saa7134_dev *dev) configure_tda827x_fe(dev, &tda827x_lifeview_config); break; case SAA7134_BOARD_FLYDVB_TRIO: - if(! use_frontend) { //terrestrial + if(! use_frontend) { /* terrestrial */ configure_tda827x_fe(dev, &lifeview_trio_config); - } else { //satellite + } else { /* satellite */ dev->dvb.frontend = dvb_attach(tda10086_attach, &flydvbs, &dev->i2c_adap); if (dev->dvb.frontend) { if (dvb_attach(tda826x_attach, dev->dvb.frontend, 0x63, -- cgit v1.2.3 From 5caf51342c81c7cb2a8c3998e3f606ccfa79cee2 Mon Sep 17 00:00:00 2001 From: Tobias Lorenz Date: Mon, 4 Feb 2008 22:26:08 -0300 Subject: V4L/DVB (7188): radio-si470x version 1.0.6 This patch combines all the finished discussions and its resulting patches from the mailing list. The version 1.0.6 is mainly influenced by Oliver Neukum. He found a lot of small issues, that are fixed with this patch now. For me the most interesting thing is, that it's now safer to use it on other architectures. The history for version 1.0.6 is: - fixed coverity checker warnings in *_usb_driver_disconnect - probe()/open() race by correct ordering in probe() - DMA coherency rules by separate allocation of all buffers - use of endianness macros - abuse of spinlock, replaced by mutex - racy handling of timer in disconnect, replaced by delayed_work - racy interruptible_sleep_on(), replaced with wait_event_interruptible() - handle signals in read() The driver is tested with all Debian/testing radio programs and rdsd. The patch is tested against checkpatch.pl v1.12. Signed-off-by: Tobias Lorenz Signed-off-by: Mauro Carvalho Chehab --- drivers/media/radio/radio-si470x.c | 330 +++++++++++++++++++------------------ 1 file changed, 167 insertions(+), 163 deletions(-) (limited to 'drivers') diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c index d428c3aa2bf..c72a9e7ad88 100644 --- a/drivers/media/radio/radio-si470x.c +++ b/drivers/media/radio/radio-si470x.c @@ -66,8 +66,21 @@ * Version 1.0.5 * - number of seek_retries changed to tune_timeout * - fixed problem with incomplete tune operations by own buffers - * - optimization of variables + * - optimization of variables and printf types * - improved error logging + * 2008-01-31 Tobias Lorenz + * Oliver Neukum + * Version 1.0.6 + * - fixed coverity checker warnings in *_usb_driver_disconnect + * - probe()/open() race by correct ordering in probe() + * - DMA coherency rules by separate allocation of all buffers + * - use of endianness macros + * - abuse of spinlock, replaced by mutex + * - racy handling of timer in disconnect, + * replaced by delayed_work + * - racy interruptible_sleep_on(), + * replaced with wait_event_interruptible() + * - handle signals in read() * * ToDo: * - add seeking support @@ -80,10 +93,10 @@ /* driver definitions */ #define DRIVER_AUTHOR "Tobias Lorenz " #define DRIVER_NAME "radio-si470x" -#define DRIVER_KERNEL_VERSION KERNEL_VERSION(1, 0, 5) +#define DRIVER_KERNEL_VERSION KERNEL_VERSION(1, 0, 6) #define DRIVER_CARD "Silicon Labs Si470x FM Radio Receiver" #define DRIVER_DESC "USB radio driver for Si470x FM Radio Receivers" -#define DRIVER_VERSION "1.0.5" +#define DRIVER_VERSION "1.0.6" /* kernel includes */ @@ -96,8 +109,10 @@ #include #include #include +#include #include #include +#include /* USB Device ID List */ @@ -409,10 +424,9 @@ struct si470x_device { unsigned short registers[RADIO_REGISTER_NUM]; /* RDS receive buffer */ - struct work_struct work; + struct delayed_work work; wait_queue_head_t read_queue; - struct timer_list timer; - spinlock_t lock; /* buffer locking */ + struct mutex lock; /* buffer locking */ unsigned char *buffer; /* size is always multiple of three */ unsigned int buf_size; unsigned int rd_index; @@ -494,7 +508,8 @@ static int si470x_get_register(struct si470x_device *radio, int regnr) retval = si470x_get_report(radio, (void *) &buf, sizeof(buf)); if (retval >= 0) - radio->registers[regnr] = (buf[1] << 8) | buf[2]; + radio->registers[regnr] = be16_to_cpu(get_unaligned( + (unsigned short *) &buf[1])); return (retval < 0) ? -EINVAL : 0; } @@ -509,8 +524,8 @@ static int si470x_set_register(struct si470x_device *radio, int regnr) int retval; buf[0] = REGISTER_REPORT(regnr); - buf[1] = (radio->registers[regnr] & 0xff00) >> 8; - buf[2] = (radio->registers[regnr] & 0x00ff); + put_unaligned(cpu_to_be16(radio->registers[regnr]), + (unsigned short *) &buf[1]); retval = si470x_set_report(radio, (void *) &buf, sizeof(buf)); @@ -533,9 +548,9 @@ static int si470x_get_all_registers(struct si470x_device *radio) if (retval >= 0) for (regnr = 0; regnr < RADIO_REGISTER_NUM; regnr++) - radio->registers[regnr] = - (buf[regnr * RADIO_REGISTER_SIZE + 1] << 8) | - buf[regnr * RADIO_REGISTER_SIZE + 2]; + radio->registers[regnr] = be16_to_cpu(get_unaligned( + (unsigned short *) + &buf[regnr * RADIO_REGISTER_SIZE + 1])); return (retval < 0) ? -EINVAL : 0; } @@ -558,7 +573,7 @@ static int si470x_get_rds_registers(struct si470x_device *radio) (void *) &buf, sizeof(buf), &size, usb_timeout); if (size != sizeof(buf)) printk(KERN_WARNING DRIVER_NAME ": si470x_get_rds_register: " - "return size differs: %d != %uld\n", size, sizeof(buf)); + "return size differs: %d != %zu\n", size, sizeof(buf)); if (retval < 0) printk(KERN_WARNING DRIVER_NAME ": si470x_get_rds_registers: " "usb_interrupt_msg returned %d\n", retval); @@ -566,8 +581,8 @@ static int si470x_get_rds_registers(struct si470x_device *radio) if (retval >= 0) for (regnr = 0; regnr < RDS_REGISTER_NUM; regnr++) radio->registers[STATUSRSSI + regnr] = - (buf[regnr * RADIO_REGISTER_SIZE + 1] << 8) | - buf[regnr * RADIO_REGISTER_SIZE + 2]; + be16_to_cpu(get_unaligned((unsigned short *) + &buf[regnr * RADIO_REGISTER_SIZE + 1])); return (retval < 0) ? -EINVAL : 0; } @@ -600,7 +615,7 @@ static int si470x_set_chan(struct si470x_device *radio, unsigned short chan) (!timed_out)); if (timed_out) printk(KERN_WARNING DRIVER_NAME - ": seek does not finish after %d ms\n", tune_timeout); + ": seek does not finish after %u ms\n", tune_timeout); /* stop tuning */ radio->registers[CHANNEL] &= ~CHANNEL_TUNE; @@ -763,6 +778,11 @@ static int si470x_rds_on(struct si470x_device *radio) */ static void si470x_rds(struct si470x_device *radio) { + unsigned char blocknum; + unsigned short bler; /* rds block errors */ + unsigned short rds; + unsigned char tmpbuf[3]; + /* get rds blocks */ if (si470x_get_rds_registers(radio) < 0) return; @@ -775,69 +795,58 @@ static void si470x_rds(struct si470x_device *radio) return; } - /* copy four RDS blocks to internal buffer */ - if (spin_trylock(&radio->lock)) { - unsigned char blocknum; - unsigned short bler; /* rds block errors */ - unsigned short rds; - unsigned char tmpbuf[3]; - unsigned char i; - - /* process each rds block */ - for (blocknum = 0; blocknum < 4; blocknum++) { - switch (blocknum) { - default: - bler = (radio->registers[STATUSRSSI] & - STATUSRSSI_BLERA) >> 9; - rds = radio->registers[RDSA]; - break; - case 1: - bler = (radio->registers[READCHAN] & - READCHAN_BLERB) >> 14; - rds = radio->registers[RDSB]; - break; - case 2: - bler = (radio->registers[READCHAN] & - READCHAN_BLERC) >> 12; - rds = radio->registers[RDSC]; - break; - case 3: - bler = (radio->registers[READCHAN] & - READCHAN_BLERD) >> 10; - rds = radio->registers[RDSD]; - break; - }; - - /* Fill the V4L2 RDS buffer */ - tmpbuf[0] = rds & 0x00ff; /* LSB */ - tmpbuf[1] = (rds & 0xff00) >> 8;/* MSB */ - tmpbuf[2] = blocknum; /* offset name */ - tmpbuf[2] |= blocknum << 3; /* received offset */ - if (bler > max_rds_errors) - tmpbuf[2] |= 0x80; /* uncorrectable errors */ - else if (bler > 0) - tmpbuf[2] |= 0x40; /* corrected error(s) */ - - /* copy RDS block to internal buffer */ - for (i = 0; i < 3; i++) { - radio->buffer[radio->wr_index] = tmpbuf[i]; - radio->wr_index++; - } - - /* wrap write pointer */ - if (radio->wr_index >= radio->buf_size) - radio->wr_index = 0; - - /* check for overflow */ - if (radio->wr_index == radio->rd_index) { - /* increment and wrap read pointer */ - radio->rd_index += 3; - if (radio->rd_index >= radio->buf_size) - radio->rd_index = 0; - } + /* copy all four RDS blocks to internal buffer */ + mutex_lock(&radio->lock); + for (blocknum = 0; blocknum < 4; blocknum++) { + switch (blocknum) { + default: + bler = (radio->registers[STATUSRSSI] & + STATUSRSSI_BLERA) >> 9; + rds = radio->registers[RDSA]; + break; + case 1: + bler = (radio->registers[READCHAN] & + READCHAN_BLERB) >> 14; + rds = radio->registers[RDSB]; + break; + case 2: + bler = (radio->registers[READCHAN] & + READCHAN_BLERC) >> 12; + rds = radio->registers[RDSC]; + break; + case 3: + bler = (radio->registers[READCHAN] & + READCHAN_BLERD) >> 10; + rds = radio->registers[RDSD]; + break; + }; + + /* Fill the V4L2 RDS buffer */ + put_unaligned(cpu_to_le16(rds), (unsigned short *) &tmpbuf); + tmpbuf[2] = blocknum; /* offset name */ + tmpbuf[2] |= blocknum << 3; /* received offset */ + if (bler > max_rds_errors) + tmpbuf[2] |= 0x80; /* uncorrectable errors */ + else if (bler > 0) + tmpbuf[2] |= 0x40; /* corrected error(s) */ + + /* copy RDS block to internal buffer */ + memcpy(&radio->buffer[radio->wr_index], &tmpbuf, 3); + radio->wr_index += 3; + + /* wrap write pointer */ + if (radio->wr_index >= radio->buf_size) + radio->wr_index = 0; + + /* check for overflow */ + if (radio->wr_index == radio->rd_index) { + /* increment and wrap read pointer */ + radio->rd_index += 3; + if (radio->rd_index >= radio->buf_size) + radio->rd_index = 0; } - spin_unlock(&radio->lock); } + mutex_unlock(&radio->lock); /* wake up read queue */ if (radio->wr_index != radio->rd_index) @@ -845,30 +854,19 @@ static void si470x_rds(struct si470x_device *radio) } -/* - * si470x_timer - rds timer function - */ -static void si470x_timer(unsigned long data) -{ - struct si470x_device *radio = (struct si470x_device *) data; - - schedule_work(&radio->work); -} - - /* * si470x_work - rds work function */ static void si470x_work(struct work_struct *work) { struct si470x_device *radio = container_of(work, struct si470x_device, - work); + work.work); if ((radio->registers[SYSCONFIG1] & SYSCONFIG1_RDS) == 0) return; si470x_rds(radio); - mod_timer(&radio->timer, jiffies + msecs_to_jiffies(rds_poll_time)); + schedule_delayed_work(&radio->work, msecs_to_jiffies(rds_poll_time)); } @@ -885,49 +883,49 @@ static ssize_t si470x_fops_read(struct file *file, char __user *buf, { struct si470x_device *radio = video_get_drvdata(video_devdata(file)); int retval = 0; + unsigned int block_count = 0; /* switch on rds reception */ if ((radio->registers[SYSCONFIG1] & SYSCONFIG1_RDS) == 0) { si470x_rds_on(radio); - schedule_work(&radio->work); + schedule_delayed_work(&radio->work, + msecs_to_jiffies(rds_poll_time)); } /* block if no new data available */ while (radio->wr_index == radio->rd_index) { if (file->f_flags & O_NONBLOCK) return -EWOULDBLOCK; - interruptible_sleep_on(&radio->read_queue); + if (wait_event_interruptible(radio->read_queue, + radio->wr_index != radio->rd_index) < 0) + return -EINTR; } /* calculate block count from byte count */ count /= 3; /* copy RDS block out of internal buffer and to user buffer */ - if (spin_trylock(&radio->lock)) { - unsigned int block_count = 0; - while (block_count < count) { - if (radio->rd_index == radio->wr_index) - break; - - /* always transfer rds complete blocks */ - if (copy_to_user(buf, - &radio->buffer[radio->rd_index], 3)) - /* retval = -EFAULT; */ - break; + mutex_lock(&radio->lock); + while (block_count < count) { + if (radio->rd_index == radio->wr_index) + break; - /* increment and wrap read pointer */ - radio->rd_index += 3; - if (radio->rd_index >= radio->buf_size) - radio->rd_index = 0; + /* always transfer rds complete blocks */ + if (copy_to_user(buf, &radio->buffer[radio->rd_index], 3)) + /* retval = -EFAULT; */ + break; - /* increment counters */ - block_count++; - buf += 3; - retval += 3; - } + /* increment and wrap read pointer */ + radio->rd_index += 3; + if (radio->rd_index >= radio->buf_size) + radio->rd_index = 0; - spin_unlock(&radio->lock); + /* increment counters */ + block_count++; + buf += 3; + retval += 3; } + mutex_unlock(&radio->lock); return retval; } @@ -944,7 +942,8 @@ static unsigned int si470x_fops_poll(struct file *file, /* switch on rds reception */ if ((radio->registers[SYSCONFIG1] & SYSCONFIG1_RDS) == 0) { si470x_rds_on(radio); - schedule_work(&radio->work); + schedule_delayed_work(&radio->work, + msecs_to_jiffies(rds_poll_time)); } poll_wait(file, &radio->read_queue, pts); @@ -984,8 +983,7 @@ static int si470x_fops_release(struct inode *inode, struct file *file) radio->users--; if (radio->users == 0) { /* stop rds reception */ - del_timer_sync(&radio->timer); - flush_scheduled_work(); + cancel_delayed_work_sync(&radio->work); /* cancel read processes */ wake_up_interruptible(&radio->read_queue); @@ -1362,73 +1360,82 @@ static int si470x_usb_driver_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct si470x_device *radio; + int retval = -ENOMEM; - /* memory and interface allocations */ - radio = kmalloc(sizeof(struct si470x_device), GFP_KERNEL); + /* private data allocation */ + radio = kzalloc(sizeof(struct si470x_device), GFP_KERNEL); if (!radio) - return -ENOMEM; + goto err_initial; + + /* video device allocation */ radio->videodev = video_device_alloc(); - if (!radio->videodev) { - kfree(radio); - return -ENOMEM; - } + if (!radio->videodev) + goto err_radio; + + /* initial configuration */ memcpy(radio->videodev, &si470x_viddev_template, sizeof(si470x_viddev_template)); radio->users = 0; radio->usbdev = interface_to_usbdev(intf); + mutex_init(&radio->lock); video_set_drvdata(radio->videodev, radio); - if (video_register_device(radio->videodev, VFL_TYPE_RADIO, radio_nr)) { - printk(KERN_WARNING DRIVER_NAME - ": Could not register video device\n"); - video_device_release(radio->videodev); - kfree(radio); - return -EIO; - } - usb_set_intfdata(intf, radio); /* show some infos about the specific device */ - if (si470x_get_all_registers(radio) < 0) { - video_device_release(radio->videodev); - kfree(radio); - return -EIO; - } - printk(KERN_INFO DRIVER_NAME ": DeviceID=0x%4.4x ChipID=0x%4.4x\n", + retval = -EIO; + if (si470x_get_all_registers(radio) < 0) + goto err_all; + printk(KERN_INFO DRIVER_NAME ": DeviceID=0x%4.4hx ChipID=0x%4.4hx\n", radio->registers[DEVICEID], radio->registers[CHIPID]); /* check if firmware is current */ if ((radio->registers[CHIPID] & CHIPID_FIRMWARE) - < RADIO_SW_VERSION_CURRENT) + < RADIO_SW_VERSION_CURRENT) { + printk(KERN_WARNING DRIVER_NAME + ": This driver is known to work with " + "firmware version %hu,\n", RADIO_SW_VERSION_CURRENT); + printk(KERN_WARNING DRIVER_NAME + ": but the device has firmware version %hu.\n", + radio->registers[CHIPID] & CHIPID_FIRMWARE); + printk(KERN_WARNING DRIVER_NAME + ": If you have some trouble using this driver,\n"); printk(KERN_WARNING DRIVER_NAME - ": This driver is known to work with chip version %d, " - "but the device has firmware %d.\n" - DRIVER_NAME - "If you have some trouble using this driver, please " - "report to V4L ML at video4linux-list@redhat.com\n", - radio->registers[CHIPID] & CHIPID_FIRMWARE, - RADIO_SW_VERSION_CURRENT); + ": please report to V4L ML at " + "video4linux-list@redhat.com\n"); + } /* set initial frequency */ si470x_set_freq(radio, 87.5 * FREQ_MUL); /* available in all regions */ - /* rds initialization */ + /* rds buffer allocation */ radio->buf_size = rds_buf * 3; radio->buffer = kmalloc(radio->buf_size, GFP_KERNEL); - if (!radio->buffer) { - video_device_release(radio->videodev); - kfree(radio); - return -ENOMEM; - } + if (!radio->buffer) + goto err_all; + + /* rds buffer configuration */ radio->wr_index = 0; radio->rd_index = 0; init_waitqueue_head(&radio->read_queue); - /* prepare polling via eventd */ - INIT_WORK(&radio->work, si470x_work); - init_timer(&radio->timer); - radio->timer.function = si470x_timer; - radio->timer.data = (unsigned long) radio; + /* prepare rds work function */ + INIT_DELAYED_WORK(&radio->work, si470x_work); + + /* register video device */ + if (video_register_device(radio->videodev, VFL_TYPE_RADIO, radio_nr)) { + printk(KERN_WARNING DRIVER_NAME + ": Could not register video device\n"); + goto err_all; + } + usb_set_intfdata(intf, radio); return 0; +err_all: + video_device_release(radio->videodev); + kfree(radio->buffer); +err_radio: + kfree(radio); +err_initial: + return retval; } @@ -1439,14 +1446,11 @@ static void si470x_usb_driver_disconnect(struct usb_interface *intf) { struct si470x_device *radio = usb_get_intfdata(intf); + cancel_delayed_work_sync(&radio->work); usb_set_intfdata(intf, NULL); - if (radio) { - del_timer_sync(&radio->timer); - flush_scheduled_work(); - video_unregister_device(radio->videodev); - kfree(radio->buffer); - kfree(radio); - } + video_unregister_device(radio->videodev); + kfree(radio->buffer); + kfree(radio); } -- cgit v1.2.3 From 57566ad2d83f58c02e191aa7f4d7cddad3f92618 Mon Sep 17 00:00:00 2001 From: Tobias Lorenz Date: Sat, 9 Feb 2008 16:08:24 -0300 Subject: V4L/DVB (7189): autosuspend support Together with Oliver Neukum from Novell, USB autosuspend support was added. Signed-off-by: Tobias Lorenz Signed-off-by: Mauro Carvalho Chehab --- drivers/media/radio/radio-si470x.c | 83 ++++++++++++++++++++++++++++++++++---- 1 file changed, 75 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c index c72a9e7ad88..649f14d2c01 100644 --- a/drivers/media/radio/radio-si470x.c +++ b/drivers/media/radio/radio-si470x.c @@ -81,6 +81,10 @@ * - racy interruptible_sleep_on(), * replaced with wait_event_interruptible() * - handle signals in read() + * 2008-02-08 Tobias Lorenz + * Oliver Neukum + * Version 1.0.7 + * - usb autosuspend support * * ToDo: * - add seeking support @@ -415,6 +419,7 @@ MODULE_PARM_DESC(rds_poll_time, "RDS poll time (ms): *40*"); struct si470x_device { /* reference to USB and video device */ struct usb_device *usbdev; + struct usb_interface *intf; struct video_device *videodev; /* driver management */ @@ -762,9 +767,17 @@ static int si470x_stop(struct si470x_device *radio) */ static int si470x_rds_on(struct si470x_device *radio) { + int retval; + /* sysconfig 1 */ + mutex_lock(&radio->lock); radio->registers[SYSCONFIG1] |= SYSCONFIG1_RDS; - return si470x_set_register(radio, SYSCONFIG1); + retval = si470x_set_register(radio, SYSCONFIG1); + if (retval < 0) + radio->registers[SYSCONFIG1] &= ~SYSCONFIG1_RDS; + mutex_unlock(&radio->lock); + + return retval; } @@ -961,10 +974,22 @@ static unsigned int si470x_fops_poll(struct file *file, static int si470x_fops_open(struct inode *inode, struct file *file) { struct si470x_device *radio = video_get_drvdata(video_devdata(file)); + int retval; radio->users++; - if (radio->users == 1) - return si470x_start(radio); + + retval = usb_autopm_get_interface(radio->intf); + if (retval < 0) { + radio->users--; + return -EIO; + } + + if (radio->users == 1) { + retval = si470x_start(radio); + if (retval < 0) + usb_autopm_put_interface(radio->intf); + return retval; + } return 0; } @@ -976,6 +1001,7 @@ static int si470x_fops_open(struct inode *inode, struct file *file) static int si470x_fops_release(struct inode *inode, struct file *file) { struct si470x_device *radio = video_get_drvdata(video_devdata(file)); + int retval; if (!radio) return -ENODEV; @@ -988,7 +1014,9 @@ static int si470x_fops_release(struct inode *inode, struct file *file) /* cancel read processes */ wake_up_interruptible(&radio->read_queue); - return si470x_stop(radio); + retval = si470x_stop(radio); + usb_autopm_put_interface(radio->intf); + return retval; } return 0; @@ -1377,6 +1405,7 @@ static int si470x_usb_driver_probe(struct usb_interface *intf, sizeof(si470x_viddev_template)); radio->users = 0; radio->usbdev = interface_to_usbdev(intf); + radio->intf = intf; mutex_init(&radio->lock); video_set_drvdata(radio->videodev, radio); @@ -1439,6 +1468,41 @@ err_initial: } +/* + * si470x_usb_driver_suspend - suspend the device + */ +static int si470x_usb_driver_suspend(struct usb_interface *intf, + pm_message_t message) +{ + struct si470x_device *radio = usb_get_intfdata(intf); + + printk(KERN_INFO DRIVER_NAME ": suspending now...\n"); + + cancel_delayed_work_sync(&radio->work); + + return 0; +} + + +/* + * si470x_usb_driver_resume - resume the device + */ +static int si470x_usb_driver_resume(struct usb_interface *intf) +{ + struct si470x_device *radio = usb_get_intfdata(intf); + + printk(KERN_INFO DRIVER_NAME ": resuming now...\n"); + + mutex_lock(&radio->lock); + if (radio->users && radio->registers[SYSCONFIG1] & SYSCONFIG1_RDS) + schedule_delayed_work(&radio->work, + msecs_to_jiffies(rds_poll_time)); + mutex_unlock(&radio->lock); + + return 0; +} + + /* * si470x_usb_driver_disconnect - disconnect the device */ @@ -1458,10 +1522,13 @@ static void si470x_usb_driver_disconnect(struct usb_interface *intf) * si470x_usb_driver - usb driver interface */ static struct usb_driver si470x_usb_driver = { - .name = DRIVER_NAME, - .probe = si470x_usb_driver_probe, - .disconnect = si470x_usb_driver_disconnect, - .id_table = si470x_usb_driver_id_table, + .name = DRIVER_NAME, + .probe = si470x_usb_driver_probe, + .disconnect = si470x_usb_driver_disconnect, + .suspend = si470x_usb_driver_suspend, + .resume = si470x_usb_driver_resume, + .id_table = si470x_usb_driver_id_table, + .supports_autosuspend = 1, }; -- cgit v1.2.3 From f0ba356c85c25c2732098885a6a089be4698da94 Mon Sep 17 00:00:00 2001 From: Adrian Pardini Date: Mon, 11 Feb 2008 12:40:53 -0300 Subject: V4L/DVB (7192): Adds support for Genius TVGo A11MCE Signed-off-by: Adrian Pardini Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/CARDLIST.saa7134 | 1 + drivers/media/common/ir-keymaps.c | 46 +++++++++++++++++++++++++++++ drivers/media/video/saa7134/saa7134-cards.c | 39 ++++++++++++++++++++++++ drivers/media/video/saa7134/saa7134-input.c | 6 ++++ drivers/media/video/saa7134/saa7134.h | 1 + include/media/ir-common.h | 1 + 6 files changed, 94 insertions(+) (limited to 'drivers') diff --git a/Documentation/video4linux/CARDLIST.saa7134 b/Documentation/video4linux/CARDLIST.saa7134 index 1074925fb20..0424901ebc7 100644 --- a/Documentation/video4linux/CARDLIST.saa7134 +++ b/Documentation/video4linux/CARDLIST.saa7134 @@ -130,3 +130,4 @@ 129 -> Beholder BeholdTV 607 / BeholdTV 609 [5ace:6070,5ace:6071,5ace:6072,5ace:6073,5ace:6090,5ace:6091,5ace:6092,5ace:6093] 130 -> Beholder BeholdTV M6 / BeholdTV M6 Extra [5ace:6190,5ace:6193] 131 -> Twinhan Hybrid DTV-DVB 3056 PCI [1822:0022] +132 -> Genius TVGO AM11MCE diff --git a/drivers/media/common/ir-keymaps.c b/drivers/media/common/ir-keymaps.c index a4a937c9053..2ab5a120470 100644 --- a/drivers/media/common/ir-keymaps.c +++ b/drivers/media/common/ir-keymaps.c @@ -1987,3 +1987,49 @@ IR_KEYTAB_TYPE ir_codes_behold[IR_KEYTAB_SIZE] = { }; EXPORT_SYMBOL_GPL(ir_codes_behold); + +/* + * Remote control for the Genius TVGO A11MCE + * Adrian Pardini + */ +IR_KEYTAB_TYPE ir_codes_genius_tvgo_a11mce[IR_KEYTAB_SIZE] = { + /* Keys 0 to 9 */ + [0x48] = KEY_0, + [0x09] = KEY_1, + [0x1d] = KEY_2, + [0x1f] = KEY_3, + [0x19] = KEY_4, + [0x1b] = KEY_5, + [0x11] = KEY_6, + [0x17] = KEY_7, + [0x12] = KEY_8, + [0x16] = KEY_9, + + [0x54] = KEY_RECORD, /* recording */ + [0x06] = KEY_MUTE, /* mute */ + [0x10] = KEY_POWER, + [0x40] = KEY_LAST, /* recall */ + [0x4c] = KEY_CHANNELUP, /* channel / program + */ + [0x00] = KEY_CHANNELDOWN, /* channel / program - */ + [0x0d] = KEY_VOLUMEUP, + [0x15] = KEY_VOLUMEDOWN, + [0x4d] = KEY_OK, /* also labeled as Pause */ + [0x1c] = KEY_ZOOM, /* full screen and Stop*/ + [0x02] = KEY_MODE, /* AV Source or Rewind*/ + [0x04] = KEY_LIST, /* -/-- */ + /* small arrows above numbers */ + [0x1a] = KEY_NEXT, /* also Fast Forward */ + [0x0e] = KEY_PREVIOUS, /* also Rewind */ + /* these are in a rather non standard layout and have + an alternate name written */ + [0x1e] = KEY_UP, /* Video Setting */ + [0x0a] = KEY_DOWN, /* Video Default */ + [0x05] = KEY_LEFT, /* Snapshot */ + [0x0c] = KEY_RIGHT, /* Hide Panel */ + /* Four buttons without label */ + [0x49] = KEY_RED, + [0x0b] = KEY_GREEN, + [0x13] = KEY_YELLOW, + [0x50] = KEY_BLUE, +}; +EXPORT_SYMBOL_GPL(ir_codes_genius_tvgo_a11mce); diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c index dcb601b803f..262830da08c 100644 --- a/drivers/media/video/saa7134/saa7134-cards.c +++ b/drivers/media/video/saa7134/saa7134-cards.c @@ -3953,6 +3953,44 @@ struct saa7134_board saa7134_boards[] = { .gpio = 0x0200000, }, }, + [SAA7134_BOARD_GENIUS_TVGO_A11MCE] = { + /* Adrian Pardini */ + .name = "Genius TVGO AM11MCE", + .audio_clock = 0x00200000, + .tuner_type = TUNER_TNF_5335MF, + .radio_type = UNSET, + .tuner_addr = ADDR_UNSET, + .radio_addr = ADDR_UNSET, + .gpiomask = 0xf000, + .inputs = {{ + .name = name_tv_mono, + .vmux = 1, + .amux = LINE2, + .gpio = 0x0000, + .tv = 1, + }, { + .name = name_comp1, + .vmux = 3, + .amux = LINE1, + .gpio = 0x2000, + .tv = 1 + }, { + .name = name_svideo, + .vmux = 8, + .amux = LINE1, + .gpio = 0x2000, + } }, + .radio = { + .name = name_radio, + .amux = LINE2, + .gpio = 0x1000, + }, + .mute = { + .name = name_mute, + .amux = LINE2, + .gpio = 0x6000, + }, + }, }; const unsigned int saa7134_bcount = ARRAY_SIZE(saa7134_boards); @@ -5054,6 +5092,7 @@ int saa7134_board_init1(struct saa7134_dev *dev) case SAA7134_BOARD_BEHOLD_409: case SAA7134_BOARD_BEHOLD_505FM: case SAA7134_BOARD_BEHOLD_507_9FM: + case SAA7134_BOARD_GENIUS_TVGO_A11MCE: dev->has_remote = SAA7134_REMOTE_GPIO; break; case SAA7134_BOARD_FLYDVBS_LR300: diff --git a/drivers/media/video/saa7134/saa7134-input.c b/drivers/media/video/saa7134/saa7134-input.c index 0db955c2d9b..b4188819782 100644 --- a/drivers/media/video/saa7134/saa7134-input.c +++ b/drivers/media/video/saa7134/saa7134-input.c @@ -406,6 +406,12 @@ int saa7134_input_init1(struct saa7134_dev *dev) mask_keyup = 0x8000000; polling = 50; //ms break; + case SAA7134_BOARD_GENIUS_TVGO_A11MCE: + ir_codes = ir_codes_genius_tvgo_a11mce; + mask_keycode = 0xff; + mask_keydown = 0xf00000; + polling = 50; /* ms */ + break; } if (NULL == ir_codes) { printk("%s: Oops: IR config error [card=%d]\n", diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h index 27fb4433221..f940d025479 100644 --- a/drivers/media/video/saa7134/saa7134.h +++ b/drivers/media/video/saa7134/saa7134.h @@ -253,6 +253,7 @@ struct saa7134_format { #define SAA7134_BOARD_BEHOLD_607_9FM 129 #define SAA7134_BOARD_BEHOLD_M6 130 #define SAA7134_BOARD_TWINHAN_DTV_DVB_3056 131 +#define SAA7134_BOARD_GENIUS_TVGO_A11MCE 132 #define SAA7134_MAXBOARDS 8 #define SAA7134_INPUT_MAX 8 diff --git a/include/media/ir-common.h b/include/media/ir-common.h index 831547d7968..a4274203f25 100644 --- a/include/media/ir-common.h +++ b/include/media/ir-common.h @@ -142,6 +142,7 @@ extern IR_KEYTAB_TYPE ir_codes_tt_1500[IR_KEYTAB_SIZE]; extern IR_KEYTAB_TYPE ir_codes_fusionhdtv_mce[IR_KEYTAB_SIZE]; extern IR_KEYTAB_TYPE ir_codes_behold[IR_KEYTAB_SIZE]; extern IR_KEYTAB_TYPE ir_codes_pinnacle_pctv_hd[IR_KEYTAB_SIZE]; +extern IR_KEYTAB_TYPE ir_codes_genius_tvgo_a11mce[IR_KEYTAB_SIZE]; #endif -- cgit v1.2.3 From 968fb08912880e34a05a0cca7907392bac920aa2 Mon Sep 17 00:00:00 2001 From: Ricardo Cerqueira Date: Wed, 16 Jan 2008 19:56:55 -0300 Subject: V4L/DVB (7193): tveeprom: Add proper tuner mapping for hauppauge eeprom id 133 Do away with the need to set tuner=63 on cx88xx with recent HVR-1300 boards Signed-off-by: Ricardo Cerqueira Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/tveeprom.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/media/video/tveeprom.c b/drivers/media/video/tveeprom.c index 0b8fbad3c72..dc0da44a5af 100644 --- a/drivers/media/video/tveeprom.c +++ b/drivers/media/video/tveeprom.c @@ -242,7 +242,7 @@ hauppauge_tuner[] = { TUNER_ABSENT, "TCL M2523_3DBH_E"}, { TUNER_ABSENT, "TCL M2523_3DIH_E"}, { TUNER_ABSENT, "TCL MFPE05_2_U"}, - { TUNER_ABSENT, "Philips FMD1216MEX"}, + { TUNER_PHILIPS_FMD1216ME_MK3, "Philips FMD1216MEX"}, { TUNER_ABSENT, "Philips FRH2036B"}, { TUNER_ABSENT, "Panasonic ENGF75_01GF"}, { TUNER_ABSENT, "MaxLinear MXL5005"}, -- cgit v1.2.3 From 27d0fe189437803d5ad146d508ec2fd77252c73f Mon Sep 17 00:00:00 2001 From: Roland Stoll Date: Mon, 11 Feb 2008 13:00:34 -0300 Subject: V4L/DVB (7194): cx88-mpeg: Allow concurrent access to cx88-mpeg devices It currently isn't possible to open the frontend device of cx88-mpeg devices (DVB or Blackbird) multiple times concurrently. (for instance, to attach a signal monitoring tool while reading a stream, or to send a frequency change ioctl) This patch fixes that condition. Signed-off-by: Roland Stoll Signed-off-by: Ricardo Cerqueira Reviewed-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx88/cx88-mpeg.c | 16 ++++++++++++---- drivers/media/video/cx88/cx88.h | 1 + 2 files changed, 13 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/cx88/cx88-mpeg.c b/drivers/media/video/cx88/cx88-mpeg.c index 0aedbeaf94c..f12733d6bf7 100644 --- a/drivers/media/video/cx88/cx88-mpeg.c +++ b/drivers/media/video/cx88/cx88-mpeg.c @@ -609,13 +609,19 @@ static int cx8802_request_acquire(struct cx8802_driver *drv) struct cx88_core *core = drv->core; /* Fail a request for hardware if the device is busy. */ - if (core->active_type_id != CX88_BOARD_NONE) + if (core->active_type_id != CX88_BOARD_NONE && + core->active_type_id != drv->type_id) return -EBUSY; if (drv->advise_acquire) { - core->active_type_id = drv->type_id; - drv->advise_acquire(drv); + core->active_ref++; + mutex_lock(&drv->core->lock); + if (core->active_type_id == CX88_BOARD_NONE) { + core->active_type_id = drv->type_id; + drv->advise_acquire(drv); + } + mutex_unlock(&drv->core->lock); mpeg_dbg(1,"%s() Post acquire GPIO=%x\n", __FUNCTION__, cx_read(MO_GP0_IO)); } @@ -628,10 +634,12 @@ static int cx8802_request_release(struct cx8802_driver *drv) { struct cx88_core *core = drv->core; - if (drv->advise_release) + if (drv->advise_release && --core->active_ref == 0) { + mutex_lock(&drv->core->lock); drv->advise_release(drv); core->active_type_id = CX88_BOARD_NONE; + mutex_unlock(&drv->core->lock); mpeg_dbg(1,"%s() Post release GPIO=%x\n", __FUNCTION__, cx_read(MO_GP0_IO)); } diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h index 4e823f2a539..37e6d2e4002 100644 --- a/drivers/media/video/cx88/cx88.h +++ b/drivers/media/video/cx88/cx88.h @@ -336,6 +336,7 @@ struct cx88_core { /* cx88-video needs to access cx8802 for hybrid tuner pll access. */ struct cx8802_dev *dvbdev; enum cx88_board_type active_type_id; + int active_ref; }; struct cx8800_dev; -- cgit v1.2.3 From 691b4773aa556d0975dbc25c93e6c8b839dad325 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Wed, 13 Feb 2008 16:25:16 -0800 Subject: [SCSI] ses: fix data corruption one system: initrd get courrupted: RAMDISK: Compressed image found at block 0 RAMDISK: incomplete write (-28 != 2048) 134217728 crc error VFS: Mounted root (ext2 filesystem). Freeing unused kernel memory: 388k freed init_special_inode: bogus i_mode (177777) Warning: unable to open an initial console. init_special_inode: bogus i_mode (177777) init_special_inode: bogus i_mode (177777) Kernel panic - not syncing: No init found. Try passing init= option to kernel. bisected to commit 9927c68864e9c39cc317b4f559309ba29e642168 Author: James Bottomley Date: Sun Feb 3 15:48:56 2008 -0600 [SCSI] ses: add new Enclosure ULD changes: 1. change char to unsigned char to avoid type change later. 2. preserve len for page1 3. need to move desc_ptr even the entry is not enclosure_component_device/raid. so keep desc_ptr on right position 4. record page7 len, and double check if desc_ptr out of boundary before touch. 5. fix typo in subenclosure checking: should use hdr_buf instead. [jejb: style fixes] Signed-off-by: Yinghai Lu Signed-off-by: James Bottomley --- drivers/scsi/ses.c | 126 ++++++++++++++++++++++++++++------------------------- 1 file changed, 67 insertions(+), 59 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c index a57fed47b39..a6d96694d0a 100644 --- a/drivers/scsi/ses.c +++ b/drivers/scsi/ses.c @@ -33,9 +33,9 @@ #include struct ses_device { - char *page1; - char *page2; - char *page10; + unsigned char *page1; + unsigned char *page2; + unsigned char *page10; short page1_len; short page2_len; short page10_len; @@ -67,7 +67,7 @@ static int ses_probe(struct device *dev) static int ses_recv_diag(struct scsi_device *sdev, int page_code, void *buf, int bufflen) { - char cmd[] = { + unsigned char cmd[] = { RECEIVE_DIAGNOSTIC, 1, /* Set PCV bit */ page_code, @@ -85,7 +85,7 @@ static int ses_send_diag(struct scsi_device *sdev, int page_code, { u32 result; - char cmd[] = { + unsigned char cmd[] = { SEND_DIAGNOSTIC, 0x10, /* Set PF bit */ 0, @@ -104,13 +104,13 @@ static int ses_send_diag(struct scsi_device *sdev, int page_code, static int ses_set_page2_descriptor(struct enclosure_device *edev, struct enclosure_component *ecomp, - char *desc) + unsigned char *desc) { int i, j, count = 0, descriptor = ecomp->number; struct scsi_device *sdev = to_scsi_device(edev->cdev.dev); struct ses_device *ses_dev = edev->scratch; - char *type_ptr = ses_dev->page1 + 12 + ses_dev->page1[11]; - char *desc_ptr = ses_dev->page2 + 8; + unsigned char *type_ptr = ses_dev->page1 + 12 + ses_dev->page1[11]; + unsigned char *desc_ptr = ses_dev->page2 + 8; /* Clear everything */ memset(desc_ptr, 0, ses_dev->page2_len - 8); @@ -133,14 +133,14 @@ static int ses_set_page2_descriptor(struct enclosure_device *edev, return ses_send_diag(sdev, 2, ses_dev->page2, ses_dev->page2_len); } -static char *ses_get_page2_descriptor(struct enclosure_device *edev, +static unsigned char *ses_get_page2_descriptor(struct enclosure_device *edev, struct enclosure_component *ecomp) { int i, j, count = 0, descriptor = ecomp->number; struct scsi_device *sdev = to_scsi_device(edev->cdev.dev); struct ses_device *ses_dev = edev->scratch; - char *type_ptr = ses_dev->page1 + 12 + ses_dev->page1[11]; - char *desc_ptr = ses_dev->page2 + 8; + unsigned char *type_ptr = ses_dev->page1 + 12 + ses_dev->page1[11]; + unsigned char *desc_ptr = ses_dev->page2 + 8; ses_recv_diag(sdev, 2, ses_dev->page2, ses_dev->page2_len); @@ -160,17 +160,18 @@ static char *ses_get_page2_descriptor(struct enclosure_device *edev, static void ses_get_fault(struct enclosure_device *edev, struct enclosure_component *ecomp) { - char *desc; + unsigned char *desc; desc = ses_get_page2_descriptor(edev, ecomp); - ecomp->fault = (desc[3] & 0x60) >> 4; + if (desc) + ecomp->fault = (desc[3] & 0x60) >> 4; } static int ses_set_fault(struct enclosure_device *edev, struct enclosure_component *ecomp, enum enclosure_component_setting val) { - char desc[4] = {0 }; + unsigned char desc[4] = {0 }; switch (val) { case ENCLOSURE_SETTING_DISABLED: @@ -190,26 +191,28 @@ static int ses_set_fault(struct enclosure_device *edev, static void ses_get_status(struct enclosure_device *edev, struct enclosure_component *ecomp) { - char *desc; + unsigned char *desc; desc = ses_get_page2_descriptor(edev, ecomp); - ecomp->status = (desc[0] & 0x0f); + if (desc) + ecomp->status = (desc[0] & 0x0f); } static void ses_get_locate(struct enclosure_device *edev, struct enclosure_component *ecomp) { - char *desc; + unsigned char *desc; desc = ses_get_page2_descriptor(edev, ecomp); - ecomp->locate = (desc[2] & 0x02) ? 1 : 0; + if (desc) + ecomp->locate = (desc[2] & 0x02) ? 1 : 0; } static int ses_set_locate(struct enclosure_device *edev, struct enclosure_component *ecomp, enum enclosure_component_setting val) { - char desc[4] = {0 }; + unsigned char desc[4] = {0 }; switch (val) { case ENCLOSURE_SETTING_DISABLED: @@ -229,7 +232,7 @@ static int ses_set_active(struct enclosure_device *edev, struct enclosure_component *ecomp, enum enclosure_component_setting val) { - char desc[4] = {0 }; + unsigned char desc[4] = {0 }; switch (val) { case ENCLOSURE_SETTING_DISABLED: @@ -409,11 +412,11 @@ static int ses_intf_add(struct class_device *cdev, { struct scsi_device *sdev = to_scsi_device(cdev->dev); struct scsi_device *tmp_sdev; - unsigned char *buf = NULL, *hdr_buf, *type_ptr, *desc_ptr, - *addl_desc_ptr; + unsigned char *buf = NULL, *hdr_buf, *type_ptr, *desc_ptr = NULL, + *addl_desc_ptr = NULL; struct ses_device *ses_dev; u32 result; - int i, j, types, len, components = 0; + int i, j, types, len, page7_len = 0, components = 0; int err = -ENOMEM; struct enclosure_device *edev; struct ses_component *scomp = NULL; @@ -447,7 +450,7 @@ static int ses_intf_add(struct class_device *cdev, * traversal routines more complex */ sdev_printk(KERN_ERR, sdev, "FIXME driver has no support for subenclosures (%d)\n", - buf[1]); + hdr_buf[1]); goto err_free; } @@ -461,9 +464,8 @@ static int ses_intf_add(struct class_device *cdev, goto recv_failed; types = buf[10]; - len = buf[11]; - type_ptr = buf + 12 + len; + type_ptr = buf + 12 + buf[11]; for (i = 0; i < types; i++, type_ptr += 4) { if (type_ptr[0] == ENCLOSURE_COMPONENT_DEVICE || @@ -494,22 +496,21 @@ static int ses_intf_add(struct class_device *cdev, /* The additional information page --- allows us * to match up the devices */ result = ses_recv_diag(sdev, 10, hdr_buf, INIT_ALLOC_SIZE); - if (result) - goto no_page10; - - len = (hdr_buf[2] << 8) + hdr_buf[3] + 4; - buf = kzalloc(len, GFP_KERNEL); - if (!buf) - goto err_free; - - result = ses_recv_diag(sdev, 10, buf, len); - if (result) - goto recv_failed; - ses_dev->page10 = buf; - ses_dev->page10_len = len; - buf = NULL; + if (!result) { + + len = (hdr_buf[2] << 8) + hdr_buf[3] + 4; + buf = kzalloc(len, GFP_KERNEL); + if (!buf) + goto err_free; + + result = ses_recv_diag(sdev, 10, buf, len); + if (result) + goto recv_failed; + ses_dev->page10 = buf; + ses_dev->page10_len = len; + buf = NULL; + } - no_page10: scomp = kzalloc(sizeof(struct ses_component) * components, GFP_KERNEL); if (!scomp) goto err_free; @@ -530,7 +531,7 @@ static int ses_intf_add(struct class_device *cdev, if (result) goto simple_populate; - len = (hdr_buf[2] << 8) + hdr_buf[3] + 4; + page7_len = len = (hdr_buf[2] << 8) + hdr_buf[3] + 4; /* add 1 for trailing '\0' we'll use */ buf = kzalloc(len + 1, GFP_KERNEL); if (!buf) @@ -547,7 +548,8 @@ static int ses_intf_add(struct class_device *cdev, len = (desc_ptr[2] << 8) + desc_ptr[3]; /* skip past overall descriptor */ desc_ptr += len + 4; - addl_desc_ptr = ses_dev->page10 + 8; + if (ses_dev->page10) + addl_desc_ptr = ses_dev->page10 + 8; } type_ptr = ses_dev->page1 + 12 + ses_dev->page1[11]; components = 0; @@ -557,29 +559,35 @@ static int ses_intf_add(struct class_device *cdev, struct enclosure_component *ecomp; if (desc_ptr) { - len = (desc_ptr[2] << 8) + desc_ptr[3]; - desc_ptr += 4; - /* Add trailing zero - pushes into - * reserved space */ - desc_ptr[len] = '\0'; - name = desc_ptr; + if (desc_ptr >= buf + page7_len) { + desc_ptr = NULL; + } else { + len = (desc_ptr[2] << 8) + desc_ptr[3]; + desc_ptr += 4; + /* Add trailing zero - pushes into + * reserved space */ + desc_ptr[len] = '\0'; + name = desc_ptr; + } } - if (type_ptr[0] != ENCLOSURE_COMPONENT_DEVICE && - type_ptr[0] != ENCLOSURE_COMPONENT_ARRAY_DEVICE) - continue; - ecomp = enclosure_component_register(edev, + if (type_ptr[0] == ENCLOSURE_COMPONENT_DEVICE || + type_ptr[0] == ENCLOSURE_COMPONENT_ARRAY_DEVICE) { + + ecomp = enclosure_component_register(edev, components++, type_ptr[0], name); - if (desc_ptr) { - desc_ptr += len; - if (!IS_ERR(ecomp)) + + if (!IS_ERR(ecomp) && addl_desc_ptr) ses_process_descriptor(ecomp, addl_desc_ptr); - - if (addl_desc_ptr) - addl_desc_ptr += addl_desc_ptr[1] + 2; } + if (desc_ptr) + desc_ptr += len; + + if (addl_desc_ptr) + addl_desc_ptr += addl_desc_ptr[1] + 2; + } } kfree(buf); -- cgit v1.2.3 From cb84e2d2ff3b50c0da5a7604a6d8634294a00a01 Mon Sep 17 00:00:00 2001 From: James Bottomley Date: Fri, 15 Feb 2008 09:28:43 -0600 Subject: [SCSI] aic94xx: fix REQ_TASK_ABORT and REQ_DEVICE_RESET This driver has been failing under heavy load with aic94xx: escb_tasklet_complete: REQ_TASK_ABORT, reason=0x6 aic94xx: escb_tasklet_complete: Can't find task (tc=4) to abort! The second message is because the driver fails to identify the task it's being asked to abort. On closer inpection, there's a thinko in the for each task loop over pending tasks in both the REQ_TASK_ABORT and REQ_DEVICE_RESET cases where it doesn't look at the task on the pending list but at the one on the ESCB (which is always NULL). Fix by looking at the right task. Also add a print for the case where the pending SCB doesn't have a task attached. Not sure if this will fix all the problems, but it's a definite first step. Cc: Stable Tree Signed-off-by: James Bottomley --- drivers/scsi/aic94xx/aic94xx_scb.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/aic94xx/aic94xx_scb.c b/drivers/scsi/aic94xx/aic94xx_scb.c index 0febad4dd75..ab350504ca5 100644 --- a/drivers/scsi/aic94xx/aic94xx_scb.c +++ b/drivers/scsi/aic94xx/aic94xx_scb.c @@ -458,13 +458,19 @@ static void escb_tasklet_complete(struct asd_ascb *ascb, tc_abort = le16_to_cpu(tc_abort); list_for_each_entry_safe(a, b, &asd_ha->seq.pend_q, list) { - struct sas_task *task = ascb->uldd_task; + struct sas_task *task = a->uldd_task; + + if (a->tc_index != tc_abort) + continue; - if (task && a->tc_index == tc_abort) { + if (task) { failed_dev = task->dev; sas_task_abort(task); - break; + } else { + ASD_DPRINTK("R_T_A for non TASK scb 0x%x\n", + a->scb->header.opcode); } + break; } if (!failed_dev) { @@ -478,7 +484,7 @@ static void escb_tasklet_complete(struct asd_ascb *ascb, * that the EH will wake up and do something. */ list_for_each_entry_safe(a, b, &asd_ha->seq.pend_q, list) { - struct sas_task *task = ascb->uldd_task; + struct sas_task *task = a->uldd_task; if (task && task->dev == failed_dev && -- cgit v1.2.3 From 2939deaab257924c9afd87575dbd9100ae08160d Mon Sep 17 00:00:00 2001 From: Kyle McMartin Date: Wed, 17 Oct 2007 12:25:00 -0400 Subject: [SCSI] mpt fusion: kill warnings in mptbase.h on parisc64 Verified all the arches necessary select the CONFIG_64BIT symbol. This also kills the warning (since it was using the 32-bit case) on parisc64 and mips64. Signed-off-by: Kyle McMartin Signed-off-by: James Bottomley --- drivers/message/fusion/mptbase.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h index d83ea96fe13..caadc68c300 100644 --- a/drivers/message/fusion/mptbase.h +++ b/drivers/message/fusion/mptbase.h @@ -923,7 +923,7 @@ extern struct proc_dir_entry *mpt_proc_root_dir; /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ #endif /* } __KERNEL__ */ -#if defined(__alpha__) || defined(__sparc_v9__) || defined(__ia64__) || defined(__x86_64__) || defined(__powerpc__) +#ifdef CONFIG_64BIT #define CAST_U32_TO_PTR(x) ((void *)(u64)x) #define CAST_PTR_TO_U32(x) ((u32)(u64)x) #else -- cgit v1.2.3 From 7d1abbe82434d29dd0d7d69dc0e6acdf25a8c2b5 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Fri, 8 Feb 2008 15:34:24 +0000 Subject: [SCSI] megaraid: outb_p extermination From conversations with the maintainers the _p isn't needed so kill it. That removes the last non ISA _p user from the SCSI layer to my knowledge. Signed-off-by: Alan Cox Acked-by: "Yang, Bo" Signed-off-by: James Bottomley --- drivers/scsi/megaraid.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index 4d59ae8491a..b135a1ed4b2 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -151,19 +151,19 @@ mega_setup_mailbox(adapter_t *adapter) */ if( adapter->flag & BOARD_IOMAP ) { - outb_p(adapter->mbox_dma & 0xFF, + outb(adapter->mbox_dma & 0xFF, adapter->host->io_port + MBOX_PORT0); - outb_p((adapter->mbox_dma >> 8) & 0xFF, + outb((adapter->mbox_dma >> 8) & 0xFF, adapter->host->io_port + MBOX_PORT1); - outb_p((adapter->mbox_dma >> 16) & 0xFF, + outb((adapter->mbox_dma >> 16) & 0xFF, adapter->host->io_port + MBOX_PORT2); - outb_p((adapter->mbox_dma >> 24) & 0xFF, + outb((adapter->mbox_dma >> 24) & 0xFF, adapter->host->io_port + MBOX_PORT3); - outb_p(ENABLE_MBOX_BYTE, + outb(ENABLE_MBOX_BYTE, adapter->host->io_port + ENABLE_MBOX_REGION); irq_ack(adapter); -- cgit v1.2.3 From 0e935c9ebacf2f54ab1226192d1a62f7ea1b9303 Mon Sep 17 00:00:00 2001 From: James Bottomley Date: Sat, 16 Feb 2008 15:53:21 -0600 Subject: [SCSI] fas216: fix up the previous fas216 commit Apparently the fix to [SCSI] fas216: Use scsi_eh API for REQUEST_SENSE invocation didn't show up in the final version sent to linus. Correct this omission. Cc: Russell King Signed-off-by: James Bottomley --- drivers/scsi/arm/fas216.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/scsi/arm/fas216.h b/drivers/scsi/arm/fas216.h index 3e73e264972..b65f4cf0eec 100644 --- a/drivers/scsi/arm/fas216.h +++ b/drivers/scsi/arm/fas216.h @@ -313,7 +313,7 @@ typedef struct { /* miscellaneous */ int internal_done; /* flag to indicate request done */ - struct scsi_eh_save *ses; /* holds request sense restore info */ + struct scsi_eh_save ses; /* holds request sense restore info */ unsigned long magic_end; } FAS216_Info; -- cgit v1.2.3 From cbccc207128e8bbdb047f6c5fc261acf207749c1 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Sat, 16 Feb 2008 23:57:15 +0900 Subject: [SCSI] scsi_debug: disable clustering scsi_debug does at several places: for_each_sg(sdb->table.sgl, sg, sdb->table.nents, k) { kaddr = (unsigned char *) kmap_atomic(sg_page(sg), KM_USER0); We cannot do something like that with the clustering enabled (or we can use scsi_kmap_atomic_sg). Signed-off-by: FUJITA Tomonori Acked-by: Douglas Gilbert Signed-off-by: James Bottomley --- drivers/scsi/scsi_debug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 1541c174937..d1777a9a962 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -222,7 +222,7 @@ static struct scsi_host_template sdebug_driver_template = { .cmd_per_lun = 16, .max_sectors = 0xffff, .unchecked_isa_dma = 0, - .use_clustering = ENABLE_CLUSTERING, + .use_clustering = DISABLE_CLUSTERING, .module = THIS_MODULE, }; -- cgit v1.2.3 From 5e2f22d39ec29c33bc5a3a558ac545b952aab8b7 Mon Sep 17 00:00:00 2001 From: James Bottomley Date: Tue, 12 Feb 2008 15:55:48 -0600 Subject: [SCSI] aic7xx: mitigate HOST_MSG_LOOP invalid SCB ff panic The panic occurs if we get a MSGIN or MSGOUT for an unidentified SCB (meaning we didn't identify the outstanding command it was for). For MSGIN this is wrong because it could be an unsolicited negotiation MSGIN from the target. Still panic on unsolicited MSGOUT because this would represent a mistake in the negotiation phases. However, we should fix this as well. The specs say we should go to bus free for unexpected msgin. Signed-off-by: James Bottomley --- drivers/scsi/aic7xxx/aic7xxx_core.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/aic7xxx/aic7xxx_core.c b/drivers/scsi/aic7xxx/aic7xxx_core.c index 6d2ae641273..64e62ce59c1 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_core.c +++ b/drivers/scsi/aic7xxx/aic7xxx_core.c @@ -695,15 +695,16 @@ ahc_handle_seqint(struct ahc_softc *ahc, u_int intstat) scb_index = ahc_inb(ahc, SCB_TAG); scb = ahc_lookup_scb(ahc, scb_index); if (devinfo.role == ROLE_INITIATOR) { - if (scb == NULL) - panic("HOST_MSG_LOOP with " - "invalid SCB %x\n", scb_index); + if (bus_phase == P_MESGOUT) { + if (scb == NULL) + panic("HOST_MSG_LOOP with " + "invalid SCB %x\n", + scb_index); - if (bus_phase == P_MESGOUT) ahc_setup_initiator_msgout(ahc, &devinfo, scb); - else { + } else { ahc->msg_type = MSG_TYPE_INITIATOR_MSGIN; ahc->msgin_index = 0; -- cgit v1.2.3 From 279e7f5425c5e6da6ca61b1d8576356a939789f9 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Sat, 16 Feb 2008 15:24:41 +0900 Subject: [SCSI] qla2xxx: fix compile warning for printk format scsi/qla2xxx/qla_dfs.c: In function 'qla2x00_dfs_fce_show': scsi/qla2xxx/qla_dfs.c:26: warning: format '%llx' expects type 'long long unsigned int', but argument 3 has type 'uint64_t' Signed-off-by: FUJITA Tomonori Acked-by: Andrew Vasquez Signed-off-by: James Bottomley --- drivers/scsi/qla2xxx/qla_dfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/scsi/qla2xxx/qla_dfs.c b/drivers/scsi/qla2xxx/qla_dfs.c index 1479c60441c..2cd899bfe84 100644 --- a/drivers/scsi/qla2xxx/qla_dfs.c +++ b/drivers/scsi/qla2xxx/qla_dfs.c @@ -23,7 +23,7 @@ qla2x00_dfs_fce_show(struct seq_file *s, void *unused) mutex_lock(&ha->fce_mutex); seq_printf(s, "FCE Trace Buffer\n"); - seq_printf(s, "In Pointer = %llx\n\n", ha->fce_wr); + seq_printf(s, "In Pointer = %llx\n\n", (unsigned long long)ha->fce_wr); seq_printf(s, "Base = %llx\n\n", (unsigned long long) ha->fce_dma); seq_printf(s, "FCE Enable Registers\n"); seq_printf(s, "%08x %08x %08x %08x %08x %08x\n", -- cgit v1.2.3 From ff83efacf2b77a1fe8942db6613825a4b80ee5e2 Mon Sep 17 00:00:00 2001 From: James Bottomley Date: Sun, 17 Feb 2008 11:24:51 -0600 Subject: [SCSI] gdth: don't call pci_free_consistent under spinlock The spinlock is held over too large a region: pscratch is a permanent address (it's allocated at boot time and never changes). All you need the smp lock for is mediating the scratch in use flag, so fix this by moving the spinlock into the case where we set the pscratch_busy flag to false. Cc: Stable Tree Signed-off-by: James Bottomley --- drivers/scsi/gdth_proc.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/gdth_proc.c b/drivers/scsi/gdth_proc.c index de5773443c6..ce0228e26ae 100644 --- a/drivers/scsi/gdth_proc.c +++ b/drivers/scsi/gdth_proc.c @@ -694,15 +694,13 @@ static void gdth_ioctl_free(gdth_ha_str *ha, int size, char *buf, ulong64 paddr) { ulong flags; - spin_lock_irqsave(&ha->smp_lock, flags); - if (buf == ha->pscratch) { + spin_lock_irqsave(&ha->smp_lock, flags); ha->scratch_busy = FALSE; + spin_unlock_irqrestore(&ha->smp_lock, flags); } else { pci_free_consistent(ha->pdev, size, buf, paddr); } - - spin_unlock_irqrestore(&ha->smp_lock, flags); } #ifdef GDTH_IOCTL_PROC -- cgit v1.2.3 From c9fe1d6ba603ddc5f2ef0a6b84f9df2bb4c679f1 Mon Sep 17 00:00:00 2001 From: Tony Breeds Date: Tue, 12 Feb 2008 02:54:33 -0300 Subject: V4L/DVB (7195): xc5000: fix build error when built as module drivers/built-in.o: In function `set_type': tuner-core.c:(.text+0x8879d): undefined reference to `xc5000_attach' Signed-off-by: Tony Breeds Reviewed-by: Michael Krufky Signed-off-by: Andrew Morton Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/xc5000.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/media/dvb/frontends/xc5000.h b/drivers/media/dvb/frontends/xc5000.h index e0e84562aed..32a5f1c86a1 100644 --- a/drivers/media/dvb/frontends/xc5000.h +++ b/drivers/media/dvb/frontends/xc5000.h @@ -45,7 +45,8 @@ struct xc5000_config { /* xc5000 callback command */ #define XC5000_TUNER_RESET 0 -#if defined(CONFIG_DVB_TUNER_XC5000) || defined(CONFIG_DVB_TUNER_XC5000_MODULE) +#if defined(CONFIG_DVB_TUNER_XC5000) || \ + (defined(CONFIG_DVB_TUNER_XC5000_MODULE) && defined(MODULE)) extern struct dvb_frontend* xc5000_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct xc5000_config *cfg); -- cgit v1.2.3 From 7c018804c0900e7be18507f1eb24e631aa9816ea Mon Sep 17 00:00:00 2001 From: Robert Fitzsimons Date: Wed, 13 Feb 2008 16:38:11 -0300 Subject: V4L/DVB (7197): bttv: Fix overlay divide error The initial work to convert the bttv driver to V4L2 "Partial conversion from V4L1 to V4L2" (e84619b17440ccca4e4db7583d126c4189b987e5), missed the line which set the appropriate overlay crop structure in the newly allocated bttv_buffer. This then causes a divide error in the bttv_calc_geo function. Signed-off-by: Robert Fitzsimons Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/bt8xx/bttv-driver.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c index d9ce9a48ef5..5404fcc5276 100644 --- a/drivers/media/video/bt8xx/bttv-driver.c +++ b/drivers/media/video/bt8xx/bttv-driver.c @@ -2760,6 +2760,7 @@ static int bttv_overlay(struct file *file, void *f, unsigned int on) if (on) { fh->ov.tvnorm = btv->tvnorm; new = videobuf_pci_alloc(sizeof(*new)); + new->crop = btv->crop[!!fh->do_crop].rect; bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new); } else { new = NULL; -- cgit v1.2.3 From 40ae91a758df916d7a5640fb2de20537ef7849fd Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Thu, 14 Feb 2008 01:52:48 -0300 Subject: V4L/DVB (7200): Fix FM firmware loading There's no need to load SCode table for FM. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/tuner-xc2028.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers') diff --git a/drivers/media/video/tuner-xc2028.c b/drivers/media/video/tuner-xc2028.c index f191f6a4807..50cf876f020 100644 --- a/drivers/media/video/tuner-xc2028.c +++ b/drivers/media/video/tuner-xc2028.c @@ -754,6 +754,9 @@ skip_std_specific: goto check_device; } + if (new_fw.type & FM) + goto check_device; + /* Load SCODE firmware, if exists */ tuner_dbg("Trying to load scode %d\n", new_fw.scode_nr); -- cgit v1.2.3 From baff6cdd3328e7b35c4e155d79105621812bceec Mon Sep 17 00:00:00 2001 From: Ricardo Cerqueira Date: Wed, 13 Feb 2008 22:41:15 -0300 Subject: V4L/DVB (7201): cx88-mpeg: Fix race condition in variable access There was a possible race condition in the increment/decrement of the active device references counter. Thanks to Trent Piepho (xyzzy@speakeasy.org) for bringing it up. Signed-off-by: Ricardo Cerqueira Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx88/cx88-mpeg.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/cx88/cx88-mpeg.c b/drivers/media/video/cx88/cx88-mpeg.c index f12733d6bf7..e357f415db0 100644 --- a/drivers/media/video/cx88/cx88-mpeg.c +++ b/drivers/media/video/cx88/cx88-mpeg.c @@ -615,8 +615,8 @@ static int cx8802_request_acquire(struct cx8802_driver *drv) if (drv->advise_acquire) { - core->active_ref++; mutex_lock(&drv->core->lock); + core->active_ref++; if (core->active_type_id == CX88_BOARD_NONE) { core->active_type_id = drv->type_id; drv->advise_acquire(drv); @@ -634,14 +634,14 @@ static int cx8802_request_release(struct cx8802_driver *drv) { struct cx88_core *core = drv->core; + mutex_lock(&drv->core->lock); if (drv->advise_release && --core->active_ref == 0) { - mutex_lock(&drv->core->lock); drv->advise_release(drv); core->active_type_id = CX88_BOARD_NONE; - mutex_unlock(&drv->core->lock); mpeg_dbg(1,"%s() Post release GPIO=%x\n", __FUNCTION__, cx_read(MO_GP0_IO)); } + mutex_unlock(&drv->core->lock); return 0; } -- cgit v1.2.3 From ea35e3a754b2ba5f712c3f4df55e426ae2e4d60a Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Thu, 14 Feb 2008 07:24:22 -0300 Subject: V4L/DVB (7205): tuner-xc2028 depends on FW_LOADER Signed-off-by: Paul Mundt Signed-off-by: Mauro Carvalho Chehab --- drivers/media/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig index 888dcadff71..11950698a2e 100644 --- a/drivers/media/Kconfig +++ b/drivers/media/Kconfig @@ -98,7 +98,7 @@ if VIDEO_TUNER_CUSTOMIZE config TUNER_XC2028 tristate "XCeive xc2028/xc3028 tuners" - depends on I2C + depends on I2C && FW_LOADER default m if VIDEO_TUNER_CUSTOMIZE help Say Y here to include support for the xc2028/xc3028 tuners. -- cgit v1.2.3 From 6165894fb6293072848e5699f3fcbe88b7c60815 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Fri, 15 Feb 2008 18:41:06 -0300 Subject: V4L/DVB (7219): zoran: Fix namespace conflicts with Zoran 'GPIO_MAX' enum Thanks to Martin Michlmayr for reporting this issue: The zoran driver fails to compile on the ARM Orion platform with: In file included from drivers/media/video/zoran_procfs.c:50: drivers/media/video/zoran.h:232: error: expected identifier before numeric constant The reason is that drivers/media/video/zoran.h defines an enum with GPIO_MAX in it, but Orion contains a #define GPIO_MAX 32 in include/asm-arm/arch-orion/orion.h Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/zoran.h | 22 +++++++++++----------- drivers/media/video/zoran_device.c | 12 ++++++------ 2 files changed, 17 insertions(+), 17 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/zoran.h b/drivers/media/video/zoran.h index 937c4a616c0..498a43c1f2b 100644 --- a/drivers/media/video/zoran.h +++ b/drivers/media/video/zoran.h @@ -221,15 +221,15 @@ enum zoran_map_mode { }; enum gpio_type { - GPIO_JPEG_SLEEP = 0, - GPIO_JPEG_RESET, - GPIO_JPEG_FRAME, - GPIO_VID_DIR, - GPIO_VID_EN, - GPIO_VID_RESET, - GPIO_CLK_SEL1, - GPIO_CLK_SEL2, - GPIO_MAX, + ZR_GPIO_JPEG_SLEEP = 0, + ZR_GPIO_JPEG_RESET, + ZR_GPIO_JPEG_FRAME, + ZR_GPIO_VID_DIR, + ZR_GPIO_VID_EN, + ZR_GPIO_VID_RESET, + ZR_GPIO_CLK_SEL1, + ZR_GPIO_CLK_SEL2, + ZR_GPIO_MAX, }; enum gpcs_type { @@ -378,11 +378,11 @@ struct card_info { u32 jpeg_int; /* JPEG interrupt */ u32 vsync_int; /* VSYNC interrupt */ - s8 gpio[GPIO_MAX]; + s8 gpio[ZR_GPIO_MAX]; u8 gpcs[GPCS_MAX]; struct vfe_polarity vfe_pol; - u8 gpio_pol[GPIO_MAX]; + u8 gpio_pol[ZR_GPIO_MAX]; /* is the /GWS line conected? */ u8 gws_not_connected; diff --git a/drivers/media/video/zoran_device.c b/drivers/media/video/zoran_device.c index 68c7c505587..f97c2069205 100644 --- a/drivers/media/video/zoran_device.c +++ b/drivers/media/video/zoran_device.c @@ -250,7 +250,7 @@ void jpeg_codec_sleep (struct zoran *zr, int sleep) { - GPIO(zr, zr->card.gpio[GPIO_JPEG_SLEEP], !sleep); + GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_SLEEP], !sleep); if (!sleep) { dprintk(3, KERN_DEBUG @@ -277,9 +277,9 @@ jpeg_codec_reset (struct zoran *zr) 0); udelay(2); } else { - GPIO(zr, zr->card.gpio[GPIO_JPEG_RESET], 0); + GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_RESET], 0); udelay(2); - GPIO(zr, zr->card.gpio[GPIO_JPEG_RESET], 1); + GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_RESET], 1); udelay(2); } @@ -688,7 +688,7 @@ static inline void set_frame (struct zoran *zr, int val) { - GPIO(zr, zr->card.gpio[GPIO_JPEG_FRAME], val); + GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_FRAME], val); } static void @@ -704,8 +704,8 @@ set_videobus_dir (struct zoran *zr, GPIO(zr, 5, 1); break; default: - GPIO(zr, zr->card.gpio[GPIO_VID_DIR], - zr->card.gpio_pol[GPIO_VID_DIR] ? !val : val); + GPIO(zr, zr->card.gpio[ZR_GPIO_VID_DIR], + zr->card.gpio_pol[ZR_GPIO_VID_DIR] ? !val : val); break; } } -- cgit v1.2.3 From 75c752e6c3147f596c13365b200b91d754b66f59 Mon Sep 17 00:00:00 2001 From: Andrew Sharp Date: Thu, 13 Dec 2007 16:16:42 -0800 Subject: [WATCHDOG] Add support for SB1 hardware watchdog Support watchdog timers built into SiByte MIPS SoCs. Signed-off-by: Andy Sharp Signed-off-by: Wim Van Sebroeck Cc: Ralf Baechle Signed-off-by: Andrew Morton --- drivers/watchdog/Kconfig | 13 ++ drivers/watchdog/Makefile | 1 + drivers/watchdog/sb_wdog.c | 353 +++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 367 insertions(+) create mode 100644 drivers/watchdog/sb_wdog.c (limited to 'drivers') diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index afcdc69e37d..591e3f39911 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -633,6 +633,19 @@ config WDT_RM9K_GPI To compile this driver as a module, choose M here: the module will be called rm9k_wdt. +config SIBYTE_WDOG + tristate "Sibyte SoC hardware watchdog" + depends on CPU_SB1 + help + Watchdog driver for the built in watchdog hardware in Sibyte + SoC processors. There are apparently two watchdog timers + on such processors; this driver supports only the first one, + because currently Linux only supports exporting one watchdog + to userspace. + + To compile this driver as a loadable module, choose M here. + The module will be called sb_wdog. + config AR7_WDT tristate "TI AR7 Watchdog Timer" depends on AR7 diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index ebc21146d40..90e4bbffbbf 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -92,6 +92,7 @@ obj-$(CONFIG_SBC_EPX_C3_WATCHDOG) += sbc_epx_c3.o obj-$(CONFIG_INDYDOG) += indydog.o obj-$(CONFIG_WDT_MTX1) += mtx-1_wdt.o obj-$(CONFIG_WDT_RM9K_GPI) += rm9k_wdt.o +obj-$(CONFIG_SIBYTE_WDOG) += sb_wdog.o obj-$(CONFIG_AR7_WDT) += ar7_wdt.o obj-$(CONFIG_TXX9_WDT) += txx9wdt.o diff --git a/drivers/watchdog/sb_wdog.c b/drivers/watchdog/sb_wdog.c new file mode 100644 index 00000000000..b9443143369 --- /dev/null +++ b/drivers/watchdog/sb_wdog.c @@ -0,0 +1,353 @@ +/* + * Watchdog driver for SiByte SB1 SoCs + * + * Copyright (C) 2007 OnStor, Inc. * Andrew Sharp + * + * This driver is intended to make the second of two hardware watchdogs + * on the Sibyte 12XX and 11XX SoCs available to the user. There are two + * such devices available on the SoC, but it seems that there isn't an + * enumeration class for watchdogs in Linux like there is for RTCs. + * The second is used rather than the first because it uses IRQ 1, + * thereby avoiding all that IRQ 0 problematic nonsense. + * + * I have not tried this driver on a 1480 processor; it might work + * just well enough to really screw things up. + * + * It is a simple timer, and there is an interrupt that is raised the + * first time the timer expires. The second time it expires, the chip + * is reset and there is no way to redirect that NMI. Which could + * be problematic in some cases where this chip is sitting on the HT + * bus and has just taken responsibility for providing a cache block. + * Since the reset can't be redirected to the external reset pin, it is + * possible that other HT connected processors might hang and not reset. + * For Linux, a soft reset would probably be even worse than a hard reset. + * There you have it. + * + * The timer takes 23 bits of a 64 bit register (?) as a count value, + * and decrements the count every microsecond, for a max value of + * 0x7fffff usec or about 8.3ish seconds. + * + * This watchdog borrows some user semantics from the softdog driver, + * in that if you close the fd, it leaves the watchdog running, unless + * you previously wrote a 'V' to the fd, in which case it disables + * the watchdog when you close the fd like some other drivers. + * + * Based on various other watchdog drivers, which are probably all + * loosely based on something Alan Cox wrote years ago. + * + * (c) Copyright 1996 Alan Cox , All Rights Reserved. + * http://www.redhat.com + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 1 or 2 as published by the Free Software Foundation. + * + */ +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + + +/* + * set the initial count value of a timer + * + * wdog is the iomem address of the cfg register + */ +void sbwdog_set(char __iomem *wdog, unsigned long t) +{ + __raw_writeb(0, wdog - 0x10); + __raw_writeq(t & 0x7fffffUL, wdog); +} + +/* + * cause the timer to [re]load it's initial count and start counting + * all over again + * + * wdog is the iomem address of the cfg register + */ +void sbwdog_pet(char __iomem *wdog) +{ + __raw_writeb(__raw_readb(wdog) | 1, wdog); +} + +static unsigned long sbwdog_gate; /* keeps it to one thread only */ +static char __iomem *kern_dog = (char __iomem *)(IO_BASE + (A_SCD_WDOG_CFG_0)); +static char __iomem *user_dog = (char __iomem *)(IO_BASE + (A_SCD_WDOG_CFG_1)); +static unsigned long timeout = 0x7fffffUL; /* useconds: 8.3ish secs. */ +static int expect_close; + +static struct watchdog_info ident = { + .options = WDIOF_CARDRESET | WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING, + .identity = "SiByte Watchdog", +}; + +/* + * Allow only a single thread to walk the dog + */ +static int sbwdog_open(struct inode *inode, struct file *file) +{ + nonseekable_open(inode, file); + if (test_and_set_bit(0, &sbwdog_gate)) { + return -EBUSY; + } + __module_get(THIS_MODULE); + + /* + * Activate the timer + */ + sbwdog_set(user_dog, timeout); + __raw_writeb(1, user_dog); + + return 0; +} + +/* + * Put the dog back in the kennel. + */ +static int sbwdog_release(struct inode *inode, struct file *file) +{ + if (expect_close == 42) { + __raw_writeb(0, user_dog); + module_put(THIS_MODULE); + } else { + printk(KERN_CRIT "%s: Unexpected close, not stopping watchdog!\n", + ident.identity); + sbwdog_pet(user_dog); + } + clear_bit(0, &sbwdog_gate); + expect_close = 0; + + return 0; +} + +/* + * 42 - the answer + */ +static ssize_t sbwdog_write(struct file *file, const char __user *data, + size_t len, loff_t *ppos) +{ + int i; + + if (len) { + /* + * restart the timer + */ + expect_close = 0; + + for (i = 0; i != len; i++) { + char c; + + if (get_user(c, data + i)) { + return -EFAULT; + } + if (c == 'V') { + expect_close = 42; + } + } + sbwdog_pet(user_dog); + } + + return len; +} + +static int sbwdog_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) +{ + int ret = -ENOTTY; + unsigned long time; + void __user *argp = (void __user *)arg; + int __user *p = argp; + + switch (cmd) { + case WDIOC_GETSUPPORT: + ret = copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0; + break; + + case WDIOC_GETSTATUS: + case WDIOC_GETBOOTSTATUS: + ret = put_user(0, p); + break; + + case WDIOC_SETTIMEOUT: + ret = get_user(time, p); + if (ret) { + break; + } + + time *= 1000000; + if (time > 0x7fffffUL) { + ret = -EINVAL; + break; + } + timeout = time; + sbwdog_set(user_dog, timeout); + sbwdog_pet(user_dog); + + case WDIOC_GETTIMEOUT: + /* + * get the remaining count from the ... count register + * which is 1*8 before the config register + */ + ret = put_user(__raw_readq(user_dog - 8) / 1000000, p); + break; + + case WDIOC_KEEPALIVE: + sbwdog_pet(user_dog); + ret = 0; + break; + } + return ret; +} + +/* + * Notifier for system down + */ +static int +sbwdog_notify_sys(struct notifier_block *this, unsigned long code, void *erf) +{ + if (code == SYS_DOWN || code == SYS_HALT) { + /* + * sit and sit + */ + __raw_writeb(0, user_dog); + __raw_writeb(0, kern_dog); + } + + return NOTIFY_DONE; +} + +static const struct file_operations sbwdog_fops = +{ + .owner = THIS_MODULE, + .llseek = no_llseek, + .write = sbwdog_write, + .ioctl = sbwdog_ioctl, + .open = sbwdog_open, + .release = sbwdog_release, +}; + +static struct miscdevice sbwdog_miscdev = +{ + .minor = WATCHDOG_MINOR, + .name = "watchdog", + .fops = &sbwdog_fops, +}; + +static struct notifier_block sbwdog_notifier = { + .notifier_call = sbwdog_notify_sys, +}; + +/* + * interrupt handler + * + * doesn't do a whole lot for user, but oh so cleverly written so kernel + * code can use it to re-up the watchdog, thereby saving the kernel from + * having to create and maintain a timer, just to tickle another timer, + * which is just so wrong. + */ +irqreturn_t sbwdog_interrupt(int irq, void *addr) +{ + unsigned long wd_init; + char *wd_cfg_reg = (char *)addr; + u8 cfg; + + cfg = __raw_readb(wd_cfg_reg); + wd_init = __raw_readq(wd_cfg_reg - 8) & 0x7fffff; + + /* + * if it's the second watchdog timer, it's for those users + */ + if (wd_cfg_reg == user_dog) { + printk(KERN_CRIT + "%s in danger of initiating system reset in %ld.%01ld seconds\n", + ident.identity, wd_init / 1000000, (wd_init / 100000) % 10); + } else { + cfg |= 1; + } + + __raw_writeb(cfg, wd_cfg_reg); + + return IRQ_HANDLED; +} + +static int __init sbwdog_init(void) +{ + int ret; + + /* + * register a reboot notifier + */ + ret = register_reboot_notifier(&sbwdog_notifier); + if (ret) { + printk (KERN_ERR "%s: cannot register reboot notifier (err=%d)\n", + ident.identity, ret); + return ret; + } + + /* + * get the resources + */ + ret = misc_register(&sbwdog_miscdev); + if (ret == 0) { + printk(KERN_INFO "%s: timeout is %ld.%ld secs\n", ident.identity, + timeout / 1000000, (timeout / 100000) % 10); + } + + ret = request_irq(1, sbwdog_interrupt, IRQF_DISABLED | IRQF_SHARED, + ident.identity, (void *)user_dog); + if (ret) { + printk(KERN_ERR "%s: failed to request irq 1 - %d\n", ident.identity, + ret); + misc_deregister(&sbwdog_miscdev); + } + + return ret; +} + +static void __exit sbwdog_exit(void) +{ + misc_deregister(&sbwdog_miscdev); +} + +module_init(sbwdog_init); +module_exit(sbwdog_exit); + +MODULE_AUTHOR("Andrew Sharp "); +MODULE_DESCRIPTION("SiByte Watchdog"); + +module_param(timeout, ulong, 0); +MODULE_PARM_DESC(timeout, + "Watchdog timeout in microseconds (max/default 8388607 or 8.3ish secs)"); + +MODULE_LICENSE("GPL"); +MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); + +/* + * example code that can be put in a platform code area to utilize the + * first watchdog timer for the kernels own purpose. + + void +platform_wd_setup(void) +{ + int ret; + + ret = request_irq(0, sbwdog_interrupt, IRQF_DISABLED | IRQF_SHARED, + "Kernel Watchdog", IOADDR(A_SCD_WDOG_CFG_0)); + if (ret) { + printk(KERN_CRIT "Watchdog IRQ zero(0) failed to be requested - %d\n", + ret); + } +} + + + */ -- cgit v1.2.3 From 6ea8115bb6f359df4f45152f2b40e1d4d1891392 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 7 Jan 2008 19:08:49 +0100 Subject: [WATCHDOG] Convert mtx1 wdt to be a platform device and use generic GPIO API This patch converts the MTX-1 to be a platform device, use the available generic GPIO API for the MTX-1 board and register the miscdev alias. Signed-off-by: Florian Fainelli Signed-off-by: Wim Van Sebroeck --- drivers/watchdog/mtx-1_wdt.c | 35 ++++++++++++++++++++++++++++++----- 1 file changed, 30 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/watchdog/mtx-1_wdt.c b/drivers/watchdog/mtx-1_wdt.c index 98451747d3c..789831b3fa0 100644 --- a/drivers/watchdog/mtx-1_wdt.c +++ b/drivers/watchdog/mtx-1_wdt.c @@ -45,10 +45,13 @@ #include #include #include +#include + #include #include #include +#include #define MTX1_WDT_INTERVAL (5 * HZ) @@ -61,6 +64,7 @@ static struct { volatile int queue; int default_ticks; unsigned long inuse; + unsigned gpio; } mtx1_wdt_device; static void mtx1_wdt_trigger(unsigned long unused) @@ -73,7 +77,8 @@ static void mtx1_wdt_trigger(unsigned long unused) * toggle GPIO2_15 */ tmp = au_readl(GPIO2_DIR); - tmp = (tmp & ~(1<<15)) | ((~tmp) & (1<<15)); + tmp = (tmp & ~(1 << mtx1_wdt_device.gpio)) | + ((~tmp) & (1 << mtx1_wdt_device.gpio)); au_writel (tmp, GPIO2_DIR); if (mtx1_wdt_device.queue && ticks) @@ -93,7 +98,7 @@ static void mtx1_wdt_start(void) { if (!mtx1_wdt_device.queue) { mtx1_wdt_device.queue = 1; - au_writel (au_readl(GPIO2_DIR) | (u32)(1<<15), GPIO2_DIR); + gpio_set_value(mtx1_wdt_device.gpio, 1); mod_timer(&mtx1_wdt_device.timer, jiffies + MTX1_WDT_INTERVAL); } mtx1_wdt_device.running++; @@ -103,7 +108,7 @@ static int mtx1_wdt_stop(void) { if (mtx1_wdt_device.queue) { mtx1_wdt_device.queue = 0; - au_writel (au_readl(GPIO2_DIR) & ~((u32)(1<<15)), GPIO2_DIR); + gpio_set_value(mtx1_wdt_device.gpio, 0); } ticks = mtx1_wdt_device.default_ticks; @@ -197,10 +202,12 @@ static struct miscdevice mtx1_wdt_misc = { }; -static int __init mtx1_wdt_init(void) +static int mtx1_wdt_probe(struct platform_device *pdev) { int ret; + mtx1_wdt_device.gpio = pdev->resource[0].start; + if ((ret = misc_register(&mtx1_wdt_misc)) < 0) { printk(KERN_ERR " mtx-1_wdt : failed to register\n"); return ret; @@ -222,13 +229,30 @@ static int __init mtx1_wdt_init(void) return 0; } -static void __exit mtx1_wdt_exit(void) +static int mtx1_wdt_remove(struct platform_device *pdev) { if (mtx1_wdt_device.queue) { mtx1_wdt_device.queue = 0; wait_for_completion(&mtx1_wdt_device.stop); } misc_deregister(&mtx1_wdt_misc); + return 0; +} + +static struct platform_driver mtx1_wdt = { + .probe = mtx1_wdt_probe, + .remove = mtx1_wdt_remove, + .driver.name = "mtx1-wdt", +}; + +static int __init mtx1_wdt_init(void) +{ + return platform_driver_register(&mtx1_wdt); +} + +static void __exit mtx1_wdt_exit(void) +{ + platform_driver_unregister(&mtx1_wdt); } module_init(mtx1_wdt_init); @@ -237,3 +261,4 @@ module_exit(mtx1_wdt_exit); MODULE_AUTHOR("Michael Stickel, Florian Fainelli"); MODULE_DESCRIPTION("Driver for the MTX-1 watchdog"); MODULE_LICENSE("GPL"); +MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); -- cgit v1.2.3 From bb59b5578a73d0e0e4e208a014fa7ea0c4f0ccb4 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Wed, 30 Jan 2008 17:38:21 +0800 Subject: [WATCHDOG] blackfin Watchdog driver: relocate all strings used in __init functions to __initdata Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu Signed-off-by: Wim Van Sebroeck --- drivers/watchdog/bfin_wdt.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/watchdog/bfin_wdt.c b/drivers/watchdog/bfin_wdt.c index 472be10f068..1237113dc14 100644 --- a/drivers/watchdog/bfin_wdt.c +++ b/drivers/watchdog/bfin_wdt.c @@ -29,6 +29,7 @@ #define stamp(fmt, args...) pr_debug("%s:%i: " fmt "\n", __func__, __LINE__, ## args) #define stampit() stamp("here i am") +#define pr_init(fmt, args...) ({ static const __initdata char __fmt[] = fmt; printk(__fmt, ## args); }) #define WATCHDOG_NAME "bfin-wdt" #define PFX WATCHDOG_NAME ": " @@ -445,19 +446,19 @@ static int __init bfin_wdt_init(void) ret = register_reboot_notifier(&bfin_wdt_notifier); if (ret) { - printk(KERN_ERR PFX "cannot register reboot notifier (err=%d)\n", ret); + pr_init(KERN_ERR PFX "cannot register reboot notifier (err=%d)\n", ret); return ret; } ret = misc_register(&bfin_wdt_miscdev); if (ret) { - printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n", + pr_init(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n", WATCHDOG_MINOR, ret); unregister_reboot_notifier(&bfin_wdt_notifier); return ret; } - printk(KERN_INFO PFX "initialized: timeout=%d sec (nowayout=%d)\n", + pr_init(KERN_INFO PFX "initialized: timeout=%d sec (nowayout=%d)\n", timeout, nowayout); return 0; -- cgit v1.2.3 From 7f4da4745c34287938ce76b92b23409adeecb5b8 Mon Sep 17 00:00:00 2001 From: Thomas Mingarelli Date: Tue, 4 Dec 2007 17:41:54 +0000 Subject: [WATCHDOG] HP ProLiant WatchDog driver Hp is providing a Hardware WatchDog Timer driver that will only work with the specific HW Timer located in the HP ProLiant iLO 2 ASIC. The iLO 2 HW Timer will generate a Non-maskable Interrupt (NMI) 9 seconds before physically resetting the server, by removing power, so that the event can be logged to the HP Integrated Management Log (IML), a Non-Volatile Random Access Memory (NVRAM). The logging of the event is performed using the HP ProLiant ROM via an Industry Standard access known as a BIOS Service Directory Entry. Signed-off-by: Thomas Mingarelli Signed-off-by: Wim Van Sebroeck --- drivers/watchdog/Kconfig | 12 + drivers/watchdog/Makefile | 1 + drivers/watchdog/hpwdt.c | 926 ++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 939 insertions(+) create mode 100644 drivers/watchdog/hpwdt.c (limited to 'drivers') diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 591e3f39911..254d115cafa 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -402,6 +402,18 @@ config IT8712F_WDT To compile this driver as a module, choose M here: the module will be called it8712f_wdt. +config HP_WATCHDOG + tristate "HP Proliant iLO 2 Hardware Watchdog Timer" + depends on X86 + help + A software monitoring watchdog and NMI sourcing driver. This driver + will detect lockups and provide stack trace. Also, when an NMI + occurs this driver will make the necessary BIOS calls to log + the cause of the NMI. This is a driver that will only load on a + HP ProLiant system with a minimum of iLO2 support. + To compile this driver as a module, choose M here: the + module will be called hpwdt. + config SC1200_WDT tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog" depends on X86 diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index 90e4bbffbbf..f3fb170fe5c 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -67,6 +67,7 @@ obj-$(CONFIG_WAFER_WDT) += wafer5823wdt.o obj-$(CONFIG_I6300ESB_WDT) += i6300esb.o obj-$(CONFIG_ITCO_WDT) += iTCO_wdt.o iTCO_vendor_support.o obj-$(CONFIG_IT8712F_WDT) += it8712f_wdt.o +obj-$(CONFIG_HP_WATCHDOG) += hpwdt.o obj-$(CONFIG_SC1200_WDT) += sc1200wdt.o obj-$(CONFIG_SCx200_WDT) += scx200_wdt.o obj-$(CONFIG_PC87413_WDT) += pc87413_wdt.o diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c new file mode 100644 index 00000000000..a2e174b09fe --- /dev/null +++ b/drivers/watchdog/hpwdt.c @@ -0,0 +1,926 @@ +/* + * HP WatchDog Driver + * based on + * + * SoftDog 0.05: A Software Watchdog Device + * + * (c) Copyright 2007 Hewlett-Packard Development Company, L.P. + * Thomas Mingarelli + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define PCI_BIOS32_SD_VALUE 0x5F32335F /* "_32_" */ +#define CRU_BIOS_SIGNATURE_VALUE 0x55524324 +#define PCI_BIOS32_PARAGRAPH_LEN 16 +#define PCI_ROM_BASE1 0x000F0000 +#define ROM_SIZE 0x10000 + +struct bios32_service_dir { + u32 signature; + u32 entry_point; + u8 revision; + u8 length; + u8 checksum; + u8 reserved[5]; +}; + +/* + * smbios_entry_point - defines SMBIOS entry point structure + * + * anchor[4] - anchor string (_SM_) + * checksum - checksum of the entry point structure + * length - length of the entry point structure + * major_ver - major version (02h for revision 2.1) + * minor_ver - minor version (01h for revision 2.1) + * max_struct_size - size of the largest SMBIOS structure + * revision - entry point structure revision implemented + * formatted_area[5] - reserved + * intermediate_anchor[5] - intermediate anchor string (_DMI_) + * intermediate_checksum - intermediate checksum + * table_length - structure table length + * table_address - structure table address + * table_num_structs - number of SMBIOS structures present + * bcd_revision - BCD revision + */ +struct smbios_entry_point { + u8 anchor[4]; + u8 checksum; + u8 length; + u8 major_ver; + u8 minor_ver; + u16 max_struct_size; + u8 revision; + u8 formatted_area[5]; + u8 intermediate_anchor[5]; + u8 intermediate_checksum; + u16 table_length; + u64 table_address; + u16 table_num_structs; + u8 bcd_revision; +}; + +/* type 212 */ +struct smbios_cru64_info { + u8 type; + u8 byte_length; + u16 handle; + u32 signature; + u64 physical_address; + u32 double_length; + u32 double_offset; +}; +#define SMBIOS_CRU64_INFORMATION 212 + +struct cmn_registers { + union { + struct { + u8 ral; + u8 rah; + u16 rea2; + }; + u32 reax; + } u1; + union { + struct { + u8 rbl; + u8 rbh; + u8 reb2l; + u8 reb2h; + }; + u32 rebx; + } u2; + union { + struct { + u8 rcl; + u8 rch; + u16 rec2; + }; + u32 recx; + } u3; + union { + struct { + u8 rdl; + u8 rdh; + u16 red2; + }; + u32 redx; + } u4; + + u32 resi; + u32 redi; + u16 rds; + u16 res; + u32 reflags; +} __attribute__((packed)); + +#define DEFAULT_MARGIN 30 +static unsigned int soft_margin = DEFAULT_MARGIN; /* in seconds */ +static unsigned int reload; /* the computed soft_margin */ +static int nowayout = WATCHDOG_NOWAYOUT; +static char expect_release; +static unsigned long hpwdt_is_open; + +static void __iomem *pci_mem_addr; /* the PCI-memory address */ +static unsigned long __iomem *hpwdt_timer_reg; +static unsigned long __iomem *hpwdt_timer_con; + +static DEFINE_SPINLOCK(rom_lock); + +static void *cru_rom_addr; + +static struct cmn_registers cmn_regs; + +static struct pci_device_id hpwdt_devices[] = { + { + .vendor = PCI_VENDOR_ID_COMPAQ, + .device = 0xB203, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + }, + {0}, /* terminate list */ +}; +MODULE_DEVICE_TABLE(pci, hpwdt_devices); + +/* + * bios_checksum + */ +static int __devinit bios_checksum(const char __iomem *ptr, int len) +{ + char sum = 0; + int i; + + /* + * calculate checksum of size bytes. This should add up + * to zero if we have a valid header. + */ + for (i = 0; i < len; i++) + sum += ptr[i]; + + return ((sum == 0) && (len > 0)); +} + +#ifndef CONFIG_X86_64 +/* --32 Bit Bios------------------------------------------------------------ */ + +#define HPWDT_ARCH 32 + +asmlinkage void asminline_call(struct cmn_registers *pi86Regs, + unsigned long *pRomEntry) +{ + asm("pushl %ebp \n\t" + "movl %esp, %ebp \n\t" + "pusha \n\t" + "pushf \n\t" + "push %es \n\t" + "push %ds \n\t" + "pop %es \n\t" + "movl 8(%ebp),%eax \n\t" + "movl 4(%eax),%ebx \n\t" + "movl 8(%eax),%ecx \n\t" + "movl 12(%eax),%edx \n\t" + "movl 16(%eax),%esi \n\t" + "movl 20(%eax),%edi \n\t" + "movl (%eax),%eax \n\t" + "push %cs \n\t" + "call *12(%ebp) \n\t" + "pushf \n\t" + "pushl %eax \n\t" + "movl 8(%ebp),%eax \n\t" + "movl %ebx,4(%eax) \n\t" + "movl %ecx,8(%eax) \n\t" + "movl %edx,12(%eax) \n\t" + "movl %esi,16(%eax) \n\t" + "movl %edi,20(%eax) \n\t" + "movw %ds,24(%eax) \n\t" + "movw %es,26(%eax) \n\t" + "popl %ebx \n\t" + "movl %ebx,(%eax) \n\t" + "popl %ebx \n\t" + "movl %ebx,28(%eax) \n\t" + "pop %es \n\t" + "popf \n\t" + "popa \n\t" + "leave \n\t" "ret"); +} + +/* + * cru_detect + * + * Routine Description: + * This function uses the 32-bit BIOS Service Directory record to + * search for a $CRU record. + * + * Return Value: + * 0 : SUCCESS + * <0 : FAILURE + */ +static int __devinit cru_detect(unsigned long map_entry, + unsigned long map_offset) +{ + void *bios32_map; + unsigned long *bios32_entrypoint; + unsigned long cru_physical_address; + unsigned long cru_length; + unsigned long physical_bios_base = 0; + unsigned long physical_bios_offset = 0; + int retval = -ENODEV; + + bios32_map = ioremap(map_entry, (2 * PAGE_SIZE)); + + if (bios32_map == NULL) + return -ENODEV; + + bios32_entrypoint = bios32_map + map_offset; + + cmn_regs.u1.reax = CRU_BIOS_SIGNATURE_VALUE; + + asminline_call(&cmn_regs, bios32_entrypoint); + + if (cmn_regs.u1.ral != 0) { + printk(KERN_WARNING + "hpwdt: Call succeeded but with an error: 0x%x\n", + cmn_regs.u1.ral); + } else { + physical_bios_base = cmn_regs.u2.rebx; + physical_bios_offset = cmn_regs.u4.redx; + cru_length = cmn_regs.u3.recx; + cru_physical_address = + physical_bios_base + physical_bios_offset; + + /* If the values look OK, then map it in. */ + if ((physical_bios_base + physical_bios_offset)) { + cru_rom_addr = + ioremap(cru_physical_address, cru_length); + if (cru_rom_addr) + retval = 0; + } + + printk(KERN_DEBUG "hpwdt: CRU Base Address: 0x%lx\n", + physical_bios_base); + printk(KERN_DEBUG "hpwdt: CRU Offset Address: 0x%lx\n", + physical_bios_offset); + printk(KERN_DEBUG "hpwdt: CRU Length: 0x%lx\n", + cru_length); + printk(KERN_DEBUG "hpwdt: CRU Mapped Address: 0x%x\n", + (unsigned int)&cru_rom_addr); + } + iounmap(bios32_map); + return retval; +} + +/* + * bios32_present + * + * Routine Description: + * This function finds the 32-bit BIOS Service Directory + * + * Return Value: + * 0 : SUCCESS + * <0 : FAILURE + */ +static int __devinit bios32_present(const char __iomem *p) +{ + struct bios32_service_dir *bios_32_ptr; + int length; + unsigned long map_entry, map_offset; + + bios_32_ptr = (struct bios32_service_dir *) p; + + /* + * Search for signature by checking equal to the swizzled value + * instead of calling another routine to perform a strcmp. + */ + if (bios_32_ptr->signature == PCI_BIOS32_SD_VALUE) { + length = bios_32_ptr->length * PCI_BIOS32_PARAGRAPH_LEN; + if (bios_checksum(p, length)) { + /* + * According to the spec, we're looking for the + * first 4KB-aligned address below the entrypoint + * listed in the header. The Service Directory code + * is guaranteed to occupy no more than 2 4KB pages. + */ + map_entry = bios_32_ptr->entry_point & ~(PAGE_SIZE - 1); + map_offset = bios_32_ptr->entry_point - map_entry; + + return cru_detect(map_entry, map_offset); + } + } + return -ENODEV; +} + +static int __devinit detect_cru_service(void) +{ + char __iomem *p, *q; + int rc = -1; + + /* + * Search from 0x0f0000 through 0x0fffff, inclusive. + */ + p = ioremap(PCI_ROM_BASE1, ROM_SIZE); + if (p == NULL) + return -ENOMEM; + + for (q = p; q < p + ROM_SIZE; q += 16) { + rc = bios32_present(q); + if (!rc) + break; + } + iounmap(p); + return rc; +} + +#else +/* --64 Bit Bios------------------------------------------------------------ */ + +#define HPWDT_ARCH 64 + +asmlinkage void asminline_call(struct cmn_registers *pi86Regs, + unsigned long *pRomEntry) +{ + asm("pushq %rbp \n\t" + "movq %rsp, %rbp \n\t" + "pushq %rax \n\t" + "pushq %rbx \n\t" + "pushq %rdx \n\t" + "pushq %r12 \n\t" + "pushq %r9 \n\t" + "movq %rsi, %r12 \n\t" + "movq %rdi, %r9 \n\t" + "movl 4(%r9),%ebx \n\t" + "movl 8(%r9),%ecx \n\t" + "movl 12(%r9),%edx \n\t" + "movl 16(%r9),%esi \n\t" + "movl 20(%r9),%edi \n\t" + "movl (%r9),%eax \n\t" + "call *%r12 \n\t" + "pushfq \n\t" + "popq %r12 \n\t" + "popfq \n\t" + "movl %eax, (%r9) \n\t" + "movl %ebx, 4(%r9) \n\t" + "movl %ecx, 8(%r9) \n\t" + "movl %edx, 12(%r9) \n\t" + "movl %esi, 16(%r9) \n\t" + "movl %edi, 20(%r9) \n\t" + "movq %r12, %rax \n\t" + "movl %eax, 28(%r9) \n\t" + "popq %r9 \n\t" + "popq %r12 \n\t" + "popq %rdx \n\t" + "popq %rbx \n\t" + "popq %rax \n\t" + "leave \n\t" "ret"); +} + +/* + * dmi_find_cru + * + * Routine Description: + * This function checks wether or not a SMBIOS/DMI record is + * the 64bit CRU info or not + * + * Return Value: + * 0 : SUCCESS - if record found + * <0 : FAILURE - if record not found + */ +static void __devinit dmi_find_cru(const struct dmi_header *dm) +{ + struct smbios_cru64_info *smbios_cru64_ptr; + unsigned long cru_physical_address; + + if (dm->type == SMBIOS_CRU64_INFORMATION) { + smbios_cru64_ptr = (struct smbios_cru64_info *) dm; + if (smbios_cru64_ptr->signature == CRU_BIOS_SIGNATURE_VALUE) { + cru_physical_address = + smbios_cru64_ptr->physical_address + + smbios_cru64_ptr->double_offset; + cru_rom_addr = ioremap(cru_physical_address, + smbios_cru64_ptr->double_length); + } + } +} + +/* + * dmi_table + * + * Routine Description: + * Decode the SMBIOS/DMI table and check if we have a 64bit CRU record + * or not. + * + * We have to be cautious here. We have seen BIOSes with DMI pointers + * pointing to completely the wrong place for example + */ +static void __devinit dmi_table(u8 *buf, int len, int num, + void (*decode)(const struct dmi_header *)) +{ + u8 *data = buf; + int i = 0; + + /* + * Stop when we see all the items the table claimed to have + * OR we run off the end of the table (also happens) + */ + while ((i < num) && (data - buf + sizeof(struct dmi_header)) <= len) { + const struct dmi_header *dm = (const struct dmi_header *)data; + + /* + * We want to know the total length (formated area and strings) + * before decoding to make sure we won't run off the table in + * dmi_decode or dmi_string + */ + data += dm->length; + while ((data - buf < len - 1) && (data[0] || data[1])) + data++; + if (data - buf < len - 1) + decode(dm); + data += 2; + i++; + } +} + +/* + * smbios_present + * + * Routine Description: + * This function parses the SMBIOS entry point table to retrieve + * the 64 bit CRU Service. + * + * Return Value: + * 0 : SUCCESS + * <0 : FAILURE + */ +static int __devinit smbios_present(const char __iomem *p) +{ + struct smbios_entry_point *eps = + (struct smbios_entry_point *) p; + int length; + u8 *buf; + + /* check if we have indeed the SMBIOS table entry point */ + if ((strncmp((char *)eps->anchor, "_SM_", + sizeof(eps->anchor))) == 0) { + length = eps->length; + + /* SMBIOS v2.1 implementation might use 0x1e */ + if ((length == 0x1e) && + (eps->major_ver == 2) && + (eps->minor_ver == 1)) + length = 0x1f; + + /* + * Now we will check: + * - SMBIOS checksum must be 0 + * - intermediate anchor should be _DMI_ + * - intermediate checksum should be 0 + */ + if ((bios_checksum(p, length)) && + (strncmp((char *)eps->intermediate_anchor, "_DMI_", + sizeof(eps->intermediate_anchor)) == 0) && + (bios_checksum(p+0x10, 15))) { + buf = ioremap(eps->table_address, eps->table_length); + if (buf == NULL) + return -ENODEV; + + + /* Scan the DMI table for the 64 bit CRU service */ + dmi_table(buf, eps->table_length, + eps->table_num_structs, dmi_find_cru); + + iounmap(buf); + return 0; + } + } + + return -ENODEV; +} + +static int __devinit smbios_scan_machine(void) +{ + char __iomem *p, *q; + int rc; + + if (efi_enabled) { + if (efi.smbios == EFI_INVALID_TABLE_ADDR) + return -ENODEV; + + p = ioremap(efi.smbios, 32); + if (p == NULL) + return -ENOMEM; + + rc = smbios_present(p); + iounmap(p); + } else { + /* + * Search from 0x0f0000 through 0x0fffff, inclusive. + */ + p = ioremap(PCI_ROM_BASE1, ROM_SIZE); + if (p == NULL) + return -ENOMEM; + + for (q = p; q < p + ROM_SIZE; q += 16) { + rc = smbios_present(q); + if (!rc) { + break; + } + } + iounmap(p); + } +} + +static int __devinit detect_cru_service(void) +{ + cru_rom_addr = NULL; + + smbios_scan_machine(); /* will become dmi_walk(dmi_find_cru); */ + + /* if cru_rom_addr has been set then we found a CRU service */ + return ((cru_rom_addr != NULL)? 0: -ENODEV); +} + +/* ------------------------------------------------------------------------- */ + +#endif + +/* + * NMI Handler + */ +static int hpwdt_pretimeout(struct notifier_block *nb, unsigned long ulReason, + void *data) +{ + static unsigned long rom_pl; + static int die_nmi_called; + + if (ulReason != DIE_NMI && ulReason != DIE_NMI_IPI) + return NOTIFY_OK; + + spin_lock_irqsave(&rom_lock, rom_pl); + if (!die_nmi_called) + asminline_call(&cmn_regs, cru_rom_addr); + die_nmi_called = 1; + spin_unlock_irqrestore(&rom_lock, rom_pl); + if (cmn_regs.u1.ral == 0) { + printk(KERN_WARNING "hpwdt: An NMI occurred, " + "but unable to determine source.\n"); + } else { + panic("An NMI occurred, please see the Integrated " + "Management Log for details.\n"); + } + + return NOTIFY_STOP; +} + +/* + * Watchdog operations + */ +static void hpwdt_start(void) +{ + reload = (soft_margin * 1000) / 128; + iowrite16(reload, hpwdt_timer_reg); + iowrite16(0x85, hpwdt_timer_con); +} + +static void hpwdt_stop(void) +{ + unsigned long data; + + data = ioread16(hpwdt_timer_con); + data &= 0xFE; + iowrite16(data, hpwdt_timer_con); +} + +static void hpwdt_ping(void) +{ + iowrite16(reload, hpwdt_timer_reg); +} + +static int hpwdt_change_timer(int new_margin) +{ + /* Arbitrary, can't find the card's limits */ + if (new_margin < 30 || new_margin > 600) { + printk(KERN_WARNING + "hpwdt: New value passed in is invalid: %d seconds.\n", + new_margin); + return -EINVAL; + } + + soft_margin = new_margin; + printk(KERN_DEBUG + "hpwdt: New timer passed in is %d seconds.\n", + new_margin); + reload = (soft_margin * 1000) / 128; + + return 0; +} + +/* + * /dev/watchdog handling + */ +static int hpwdt_open(struct inode *inode, struct file *file) +{ + /* /dev/watchdog can only be opened once */ + if (test_and_set_bit(0, &hpwdt_is_open)) + return -EBUSY; + + /* Start the watchdog */ + hpwdt_start(); + hpwdt_ping(); + + return nonseekable_open(inode, file); +} + +static int hpwdt_release(struct inode *inode, struct file *file) +{ + /* Stop the watchdog */ + if (expect_release == 42) { + hpwdt_stop(); + } else { + printk(KERN_CRIT + "hpwdt: Unexpected close, not stopping watchdog!\n"); + hpwdt_ping(); + } + + expect_release = 0; + + /* /dev/watchdog is being closed, make sure it can be re-opened */ + clear_bit(0, &hpwdt_is_open); + + return 0; +} + +static ssize_t hpwdt_write(struct file *file, const char __user *data, + size_t len, loff_t *ppos) +{ + /* See if we got the magic character 'V' and reload the timer */ + if (len) { + if (!nowayout) { + size_t i; + + /* note: just in case someone wrote the magic character + * five months ago... */ + expect_release = 0; + + /* scan to see whether or not we got the magic char. */ + for (i = 0; i != len; i++) { + char c; + if (get_user(c, data+i)) + return -EFAULT; + if (c == 'V') + expect_release = 42; + } + } + + /* someone wrote to us, we should reload the timer */ + hpwdt_ping(); + } + + return len; +} + +static struct watchdog_info ident = { + .options = WDIOF_SETTIMEOUT | + WDIOF_KEEPALIVEPING | + WDIOF_MAGICCLOSE, + .identity = "HP iLO2 HW Watchdog Timer", +}; + +static long hpwdt_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) +{ + void __user *argp = (void __user *)arg; + int __user *p = argp; + int new_margin; + int ret = -ENOTTY; + + switch (cmd) { + case WDIOC_GETSUPPORT: + ret = 0; + if (copy_to_user(argp, &ident, sizeof(ident))) + ret = -EFAULT; + break; + + case WDIOC_GETSTATUS: + case WDIOC_GETBOOTSTATUS: + ret = put_user(0, p); + break; + + case WDIOC_KEEPALIVE: + hpwdt_ping(); + ret = 0; + break; + + case WDIOC_SETTIMEOUT: + ret = get_user(new_margin, p); + if (ret) + break; + + ret = hpwdt_change_timer(new_margin); + if (ret) + break; + + hpwdt_ping(); + /* Fall */ + case WDIOC_GETTIMEOUT: + ret = put_user(soft_margin, p); + break; + } + return ret; +} + +/* + * Kernel interfaces + */ +static struct file_operations hpwdt_fops = { + .owner = THIS_MODULE, + .llseek = no_llseek, + .write = hpwdt_write, + .unlocked_ioctl = hpwdt_ioctl, + .open = hpwdt_open, + .release = hpwdt_release, +}; + +static struct miscdevice hpwdt_miscdev = { + .minor = WATCHDOG_MINOR, + .name = "watchdog", + .fops = &hpwdt_fops, +}; + +static struct notifier_block die_notifier = { + .notifier_call = hpwdt_pretimeout, + .priority = 0x7FFFFFFF, +}; + +/* + * Init & Exit + */ + +static int __devinit hpwdt_init_one(struct pci_dev *dev, + const struct pci_device_id *ent) +{ + int retval; + + /* + * First let's find out if we are on an iLO2 server. We will + * not run on a legacy ASM box. + */ + if (dev->subsystem_vendor != PCI_VENDOR_ID_HP) { + dev_warn(&dev->dev, + "This server does not have an iLO2 ASIC.\n"); + return -ENODEV; + } + + if (pci_enable_device(dev)) { + dev_warn(&dev->dev, + "Not possible to enable PCI Device: 0x%x:0x%x.\n", + ent->vendor, ent->device); + return -ENODEV; + } + + pci_mem_addr = pci_iomap(dev, 1, 0x80); + if (!pci_mem_addr) { + dev_warn(&dev->dev, + "Unable to detect the iLO2 server memory.\n"); + retval = -ENOMEM; + goto error_pci_iomap; + } + hpwdt_timer_reg = pci_mem_addr + 0x70; + hpwdt_timer_con = pci_mem_addr + 0x72; + + /* Make sure that we have a valid soft_margin */ + if (hpwdt_change_timer(soft_margin)) + hpwdt_change_timer(DEFAULT_MARGIN); + + /* + * We need to map the ROM to get the CRU service. + * For 32 bit Operating Systems we need to go through the 32 Bit + * BIOS Service Directory + * For 64 bit Operating Systems we get that service through SMBIOS. + */ + retval = detect_cru_service(); + if (retval < 0) { + dev_warn(&dev->dev, + "Unable to detect the %d Bit CRU Service.\n", + HPWDT_ARCH); + goto error_get_cru; + } + + /* + * We know this is the only CRU call we need to make so lets keep as + * few instructions as possible once the NMI comes in. + */ + cmn_regs.u1.rah = 0x0D; + cmn_regs.u1.ral = 0x02; + + retval = register_die_notifier(&die_notifier); + if (retval != 0) { + dev_warn(&dev->dev, + "Unable to register a die notifier (err=%d).\n", + retval); + goto error_die_notifier; + } + + retval = misc_register(&hpwdt_miscdev); + if (retval < 0) { + dev_warn(&dev->dev, + "Unable to register miscdev on minor=%d (err=%d).\n", + WATCHDOG_MINOR, retval); + goto error_misc_register; + } + + printk(KERN_INFO + "hp Watchdog Timer Driver: 1.00" + ", timer margin: %d seconds( nowayout=%d).\n", + soft_margin, nowayout); + + return 0; + +error_misc_register: + unregister_die_notifier(&die_notifier); +error_die_notifier: + if (cru_rom_addr) + iounmap(cru_rom_addr); +error_get_cru: + pci_iounmap(dev, pci_mem_addr); +error_pci_iomap: + pci_disable_device(dev); + return retval; +} + +static void __devexit hpwdt_exit(struct pci_dev *dev) +{ + if (!nowayout) + hpwdt_stop(); + + misc_deregister(&hpwdt_miscdev); + unregister_die_notifier(&die_notifier); + + if (cru_rom_addr) + iounmap(cru_rom_addr); + pci_iounmap(dev, pci_mem_addr); + pci_disable_device(dev); +} + +static struct pci_driver hpwdt_driver = { + .name = "hpwdt", + .id_table = hpwdt_devices, + .probe = hpwdt_init_one, + .remove = __devexit_p(hpwdt_exit), +}; + +static void __exit hpwdt_cleanup(void) +{ + pci_unregister_driver(&hpwdt_driver); +} + +static int __init hpwdt_init(void) +{ + return pci_register_driver(&hpwdt_driver); +} + +MODULE_AUTHOR("Tom Mingarelli"); +MODULE_DESCRIPTION("hp watchdog driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); + +module_param(soft_margin, int, 0); +MODULE_PARM_DESC(soft_margin, "Watchdog timeout in seconds"); + +module_param(nowayout, int, 0); +MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" + __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); + +module_init(hpwdt_init); +module_exit(hpwdt_cleanup); -- cgit v1.2.3 From 51af33e8e45b845d8ee85446f58e31bc4c118048 Mon Sep 17 00:00:00 2001 From: Roland Dreier Date: Mon, 18 Feb 2008 10:33:59 -0800 Subject: RDMA/nes: Fix possible array overrun In nes_create_qp(), the test if (nesqp->mmap_sq_db_index > NES_MAX_USER_WQ_REGIONS) { is used to error out if the db_index is too large; however, if the test doesn't trigger, then the index is used as nes_ucontext->mmap_nesqp[nesqp->mmap_sq_db_index] = nesqp; and mmap_nesqp is declared as struct nes_qp *mmap_nesqp[NES_MAX_USER_WQ_REGIONS]; which leads to an array overrun if the index is exactly equal to NES_MAX_USER_WQ_REGIONS. Fix this by bailing out if the index is greater than or equal to NES_MAX_USER_WQ_REGIONS. This was spotted by the Coverity checker (CID 2162). Acked-by: Glenn Streiff Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_verbs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index ffd4b425567..4dafbe16e82 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -1337,7 +1337,7 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd, NES_MAX_USER_WQ_REGIONS, nes_ucontext->first_free_wq); /* nes_debug(NES_DBG_QP, "find_first_zero_biton wqs returned %u\n", nespd->mmap_db_index); */ - if (nesqp->mmap_sq_db_index > NES_MAX_USER_WQ_REGIONS) { + if (nesqp->mmap_sq_db_index >= NES_MAX_USER_WQ_REGIONS) { nes_debug(NES_DBG_QP, "db index > max user regions, failing create QP\n"); nes_free_resource(nesadapter, nesadapter->allocated_qps, qp_num); -- cgit v1.2.3 From 30b3cfe1f67550bb6ec6868507a78060ef98269a Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Mon, 18 Feb 2008 15:26:43 -0800 Subject: [ATYFB]: Kill 'prom_palette' sparc code. Signed-off-by: David S. Miller --- drivers/video/aty/atyfb_base.c | 64 ------------------------------------------ 1 file changed, 64 deletions(-) (limited to 'drivers') diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c index d775eb6590b..62f9c6e387c 100644 --- a/drivers/video/aty/atyfb_base.c +++ b/drivers/video/aty/atyfb_base.c @@ -1913,61 +1913,6 @@ static int atyfb_mmap(struct fb_info *info, struct vm_area_struct *vma) par->mmaped = 1; return 0; } - -static struct { - u32 yoffset; - u8 r[2][256]; - u8 g[2][256]; - u8 b[2][256]; -} atyfb_save; - -static void atyfb_save_palette(struct atyfb_par *par, int enter) -{ - int i, tmp; - - for (i = 0; i < 256; i++) { - tmp = aty_ld_8(DAC_CNTL, par) & 0xfc; - if (M64_HAS(EXTRA_BRIGHT)) - tmp |= 0x2; - aty_st_8(DAC_CNTL, tmp, par); - aty_st_8(DAC_MASK, 0xff, par); - - aty_st_8(DAC_R_INDEX, i, par); - atyfb_save.r[enter][i] = aty_ld_8(DAC_DATA, par); - atyfb_save.g[enter][i] = aty_ld_8(DAC_DATA, par); - atyfb_save.b[enter][i] = aty_ld_8(DAC_DATA, par); - aty_st_8(DAC_W_INDEX, i, par); - aty_st_8(DAC_DATA, atyfb_save.r[1 - enter][i], par); - aty_st_8(DAC_DATA, atyfb_save.g[1 - enter][i], par); - aty_st_8(DAC_DATA, atyfb_save.b[1 - enter][i], par); - } -} - -static void atyfb_palette(int enter) -{ - struct atyfb_par *par; - struct fb_info *info; - int i; - - for (i = 0; i < FB_MAX; i++) { - info = registered_fb[i]; - if (info && info->fbops == &atyfb_ops) { - par = (struct atyfb_par *) info->par; - - atyfb_save_palette(par, enter); - if (enter) { - atyfb_save.yoffset = info->var.yoffset; - info->var.yoffset = 0; - set_off_pitch(par, info); - } else { - info->var.yoffset = atyfb_save.yoffset; - set_off_pitch(par, info); - } - aty_st_le32(CRTC_OFF_PITCH, par->crtc.off_pitch, par); - break; - } - } -} #endif /* __sparc__ */ @@ -2670,10 +2615,6 @@ static int __devinit aty_init(struct fb_info *info) goto aty_init_exit; } -#ifdef __sparc__ - atyfb_save_palette(par, 0); -#endif - #ifdef CONFIG_FB_ATY_CT if (!noaccel && M64_HAS(INTEGRATED)) aty_init_cursor(info); @@ -2900,8 +2841,6 @@ static int atyfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, #ifdef __sparc__ -extern void (*prom_palette) (int); - static int __devinit atyfb_setup_sparc(struct pci_dev *pdev, struct fb_info *info, unsigned long addr) { @@ -3536,9 +3475,6 @@ static int __devinit atyfb_pci_probe(struct pci_dev *pdev, const struct pci_devi goto err_release_io; #ifdef __sparc__ - if (!prom_palette) - prom_palette = atyfb_palette; - /* * Add /dev/fb mmap values. */ -- cgit v1.2.3 From 899e1bc57340ad9acf5561b1eff7a684975ad800 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Tue, 19 Feb 2008 01:41:24 +0100 Subject: ide: Add missing base addresses for falconide and macide commit 29dd59755a849cc6475faa6a75f3b804e23a6fc2 ("ide: remove ide_setup_ports") forgot to take into account the base addresses for the CONTROL registers for falconide and macide, as pointed out by Michael Schmitz. Falconide was tested on Aranym. Signed-off-by: Geert Uytterhoeven Cc: Michael Schmitz Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/legacy/falconide.c | 2 +- drivers/ide/legacy/macide.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ide/legacy/falconide.c b/drivers/ide/legacy/falconide.c index f044048903b..07bf1294a9d 100644 --- a/drivers/ide/legacy/falconide.c +++ b/drivers/ide/legacy/falconide.c @@ -54,7 +54,7 @@ static void __init falconide_setup_ports(hw_regs_t *hw) for (i = 1; i < 8; i++) hw->io_ports[i] = ATA_HD_BASE + 1 + i * 4; - hw->io_ports[IDE_CONTROL_OFFSET] = ATA_HD_CONTROL; + hw->io_ports[IDE_CONTROL_OFFSET] = ATA_HD_BASE + ATA_HD_CONTROL; hw->irq = IRQ_MFP_IDE; hw->ack_intr = NULL; diff --git a/drivers/ide/legacy/macide.c b/drivers/ide/legacy/macide.c index a61e60737dc..9a79098d9eb 100644 --- a/drivers/ide/legacy/macide.c +++ b/drivers/ide/legacy/macide.c @@ -74,7 +74,7 @@ static void __init macide_setup_ports(hw_regs_t *hw, unsigned long base, for (i = 0; i < 8; i++) hw->io_ports[i] = base + i * 4; - hw->io_ports[IDE_CONTROL_OFFSET] = IDE_CONTROL; + hw->io_ports[IDE_CONTROL_OFFSET] = base + IDE_CONTROL; hw->irq = irq; hw->ack_intr = ack_intr; -- cgit v1.2.3 From b152fcd34108d07a1e682786af583fd3e080cab3 Mon Sep 17 00:00:00 2001 From: Mikko Rapeli Date: Tue, 19 Feb 2008 01:41:25 +0100 Subject: ide/libata: ST310211A has buggy HPA too Signed-off-by: Mikko Rapeli Tested-by: Bart Champagne Cc: Jeff Garzik Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ata/libata-core.c | 1 + drivers/ide/ide-disk.c | 1 + 2 files changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index beaa3a9d8b6..f46eb6f6dc9 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4190,6 +4190,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { /* Devices which report 1 sector over size HPA */ { "ST340823A", NULL, ATA_HORKAGE_HPA_SIZE, }, { "ST320413A", NULL, ATA_HORKAGE_HPA_SIZE, }, + { "ST310211A", NULL, ATA_HORKAGE_HPA_SIZE, }, /* Devices which get the IVB wrong */ { "QUANTUM FIREBALLlct10 05", "A03.0900", ATA_HORKAGE_IVB, }, diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index aed8b31ca56..8f5bed47105 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -397,6 +397,7 @@ static inline int idedisk_supports_lba48(const struct hd_driveid *id) static const struct drive_list_entry hpa_list[] = { { "ST340823A", NULL }, { "ST320413A", NULL }, + { "ST310211A", NULL }, { NULL, NULL } }; -- cgit v1.2.3 From d684b21f89b96af3adc06877f29fd9f5214b23c8 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Tue, 19 Feb 2008 01:41:25 +0100 Subject: falconide: locking bugfix commit 8ac4ce742c66100931b6f2d7a36b0df08bc721fe ("ide: fix host drivers depending on ide_generic to probe for interfaces (take 2)") moved probing to falconide but forgot to take care of Atari specific locking - fix it. Cc: Geert Uytterhoeven Cc: Michael Schmitz Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-generic.c | 6 ------ drivers/ide/legacy/falconide.c | 2 ++ 2 files changed, 2 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c index 709b9e4d287..9ebec08eefd 100644 --- a/drivers/ide/ide-generic.c +++ b/drivers/ide/ide-generic.c @@ -17,9 +17,6 @@ static int __init ide_generic_init(void) u8 idx[MAX_HWIFS]; int i; - if (ide_hwifs[0].io_ports[IDE_DATA_OFFSET]) - ide_get_lock(NULL, NULL); /* for atari only */ - for (i = 0; i < MAX_HWIFS; i++) { ide_hwif_t *hwif = &ide_hwifs[i]; @@ -31,9 +28,6 @@ static int __init ide_generic_init(void) ide_device_add_all(idx, NULL); - if (ide_hwifs[0].io_ports[IDE_DATA_OFFSET]) - ide_release_lock(); /* for atari only */ - return 0; } diff --git a/drivers/ide/legacy/falconide.c b/drivers/ide/legacy/falconide.c index 07bf1294a9d..8949ce71bdd 100644 --- a/drivers/ide/legacy/falconide.c +++ b/drivers/ide/legacy/falconide.c @@ -84,7 +84,9 @@ static int __init falconide_init(void) ide_init_port_data(hwif, index); ide_init_port_hw(hwif, &hw); + ide_get_lock(NULL, NULL); ide_device_add(idx, NULL); + ide_release_lock(); } return 0; -- cgit v1.2.3 From 84f7e451e9213d8c328752d0f39bc362519d53d2 Mon Sep 17 00:00:00 2001 From: Andrew Smith Date: Tue, 19 Feb 2008 01:41:26 +0100 Subject: via82cxxx: add new PCI id for cx700 [bart: manually ported it over via82cxxx changes] From: Andrew Smith Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/pci/via82cxxx.c | 1 + include/linux/pci_ids.h | 1 + 2 files changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c index f3f79f80581..9004e752188 100644 --- a/drivers/ide/pci/via82cxxx.c +++ b/drivers/ide/pci/via82cxxx.c @@ -479,6 +479,7 @@ static int __devinit via_init_one(struct pci_dev *dev, const struct pci_device_i static const struct pci_device_id via_pci_tbl[] = { { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C576_1), 0 }, { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C586_1), 0 }, + { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_CX700_IDE), 0 }, { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_6410), 1 }, { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_SATA_EIDE), 1 }, { 0, }, diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index df6dd79a0d3..0519e53d5eb 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -1351,6 +1351,7 @@ #define PCI_DEVICE_ID_VIA_8231_4 0x8235 #define PCI_DEVICE_ID_VIA_8365_1 0x8305 #define PCI_DEVICE_ID_VIA_CX700 0x8324 +#define PCI_DEVICE_ID_VIA_CX700_IDE 0x0581 #define PCI_DEVICE_ID_VIA_VX800 0x8353 #define PCI_DEVICE_ID_VIA_8371_1 0x8391 #define PCI_DEVICE_ID_VIA_82C598_1 0x8598 -- cgit v1.2.3 From 1a1990f5479b0c9055c133b7e0e7fedfcbe11512 Mon Sep 17 00:00:00 2001 From: Jan Evert van Grootheest Date: Tue, 19 Feb 2008 01:41:26 +0100 Subject: ht6560b can only do up to PIO mode 4 According to the datasheet, ht6560b only supports up to PIO mode 4. [bart: manually ported it over 2.6.25-rc2] Signed-off-by: Jan Evert van Grootheest Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/legacy/ht6560b.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ide/legacy/ht6560b.c b/drivers/ide/legacy/ht6560b.c index 02d12c74764..2701e7d6caf 100644 --- a/drivers/ide/legacy/ht6560b.c +++ b/drivers/ide/legacy/ht6560b.c @@ -323,7 +323,7 @@ static const struct ide_port_info ht6560b_port_info __initdata = { IDE_HFLAG_NO_DMA | IDE_HFLAG_NO_AUTOTUNE | IDE_HFLAG_ABUSE_PREFETCH, - .pio_mask = ATA_PIO5, + .pio_mask = ATA_PIO4, }; static int __init ht6560b_init(void) -- cgit v1.2.3 From 0e7d8d480259319649f7a2c230622b98758d1c83 Mon Sep 17 00:00:00 2001 From: Jan Evert van Grootheest Date: Tue, 19 Feb 2008 01:41:26 +0100 Subject: ht6560b: force prefetch for some devices Prefetch needs to be set for some ide devices to work when connected to a ht6560b interface. This was not always done properly, causing a system with a HD and CD on the primary interface to not work properly. Or, in effect, hang hard. This patch forces prefetch on devices before checking whether it is necessary to change the settings in the interface This patch should also be applied to 2.4. I don't currently have a 2.4 tree around. (also change my email address) Signed-off-by: Jan Evert van Grootheest Cc: Sergei Shtylyov Cc: Alan Cox Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/legacy/ht6560b.c | 23 ++++++++++++++++------- 1 file changed, 16 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/ide/legacy/ht6560b.c b/drivers/ide/legacy/ht6560b.c index 2701e7d6caf..78ca68e60f9 100644 --- a/drivers/ide/legacy/ht6560b.c +++ b/drivers/ide/legacy/ht6560b.c @@ -21,18 +21,21 @@ * "Prefetch" mode bit OFF for ide disks and * ON for anything else. * + * Version 0.08 Need to force prefetch for CDs and other non-disk + * devices. (not sure which devices exactly need + * prefetch) * * HT-6560B EIDE-controller support * To activate controller support use kernel parameter "ide0=ht6560b". * Use hdparm utility to enable PIO mode support. * * Author: Mikko Ala-Fossi - * Jan Evert van Grootheest + * Jan Evert van Grootheest * * Try: http://www.maf.iki.fi/~maf/ht6560b/ */ -#define HT6560B_VERSION "v0.07" +#define HT6560B_VERSION "v0.08" #include #include @@ -130,15 +133,20 @@ static void ht6560b_selectproc (ide_drive_t *drive) u8 select, timing; local_irq_save(flags); - + select = HT_CONFIG(drive); timing = HT_TIMING(drive); - + + /* + * Need to enforce prefetch sometimes because otherwise + * it'll hang (hard). + */ + if (drive->media != ide_disk || !drive->present) + select |= HT_PREFETCH_MODE; + if (select != current_select || timing != current_timing) { current_select = select; current_timing = timing; - if (drive->media != ide_disk || !drive->present) - select |= HT_PREFETCH_MODE; (void)inb(HT_CONFIG_PORT); (void)inb(HT_CONFIG_PORT); (void)inb(HT_CONFIG_PORT); @@ -188,11 +196,12 @@ static int __init try_to_init_ht6560b(void) outb(HT_TIMING_DEFAULT, 0x1f6); /* IDE_SELECT_REG */ (void) inb(0x1f7); /* IDE_STATUS_REG */ - printk("\nht6560b " HT6560B_VERSION + printk("ht6560b " HT6560B_VERSION ": chipset detected and initialized" #ifdef DEBUG " with debug enabled" #endif + "\n" ); return 1; } -- cgit v1.2.3 From 14e04c3f6e64bac468f0aa38c6d47aa95b60c074 Mon Sep 17 00:00:00 2001 From: Kiyoshi Ueda Date: Tue, 19 Feb 2008 01:41:26 +0100 Subject: ide-cd: fix missing residual count setting in DMA mode This patch fixes the missing residual count setting in DMA mode, which was introduced during the conversion to blk-end-request. The residual count could be used by the request submitter. So if it isn't set correctly, some upper layers does not work. (e.g. wodim for CD burning.) The bug is in only DMA mode. In PIO mode, we are setting the residual count correctly, so no need to fix. Signed-off-by: Kiyoshi Ueda Signed-off-by: Jun'ichi Nomura Reported-by: Andreas Schwab Tested-by: Andreas Schwab Tested-by: Laura Garcia Tested-by: Borislav Petkov Cc: Jens Axboe Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-cd.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 354c91d06a6..310e497b583 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1207,9 +1207,13 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) end_request: if (blk_pc_request(rq)) { unsigned long flags; + unsigned int dlen = rq->data_len; + + if (dma) + rq->data_len = 0; spin_lock_irqsave(&ide_lock, flags); - if (__blk_end_request(rq, 0, rq->data_len)) + if (__blk_end_request(rq, 0, dlen)) BUG(); HWGROUP(drive)->rq = NULL; spin_unlock_irqrestore(&ide_lock, flags); -- cgit v1.2.3 From 57df46d6d9ccd6ced95f169020f79ae637423087 Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Mon, 18 Feb 2008 13:33:23 -0800 Subject: hwmon: New driver for Analog Devices ADT7473 sensor chip This driver reports voltage, temperature and fan sensor readings on an ADT7473 chip. Signed-off-by: Darrick J. Wong Signed-off-by: Mark M. Hoffman --- Documentation/hwmon/adt7473 | 79 +++ drivers/hwmon/Kconfig | 10 + drivers/hwmon/Makefile | 1 + drivers/hwmon/adt7473.c | 1157 +++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 1247 insertions(+) create mode 100644 Documentation/hwmon/adt7473 create mode 100644 drivers/hwmon/adt7473.c (limited to 'drivers') diff --git a/Documentation/hwmon/adt7473 b/Documentation/hwmon/adt7473 new file mode 100644 index 00000000000..22d8b19046a --- /dev/null +++ b/Documentation/hwmon/adt7473 @@ -0,0 +1,79 @@ +Kernel driver adt7473 +====================== + +Supported chips: + * Analog Devices ADT7473 + Prefix: 'adt7473' + Addresses scanned: I2C 0x2C, 0x2D, 0x2E + Datasheet: Publicly available at the Analog Devices website + +Author: Darrick J. Wong + +Description +----------- + +This driver implements support for the Analog Devices ADT7473 chip family. + +The LM85 uses the 2-wire interface compatible with the SMBUS 2.0 +specification. Using an analog to digital converter it measures three (3) +temperatures and two (2) voltages. It has three (3) 16-bit counters for +measuring fan speed. There are three (3) PWM outputs that can be used +to control fan speed. + +A sophisticated control system for the PWM outputs is designed into the +LM85 that allows fan speed to be adjusted automatically based on any of the +three temperature sensors. Each PWM output is individually adjustable and +programmable. Once configured, the ADT7473 will adjust the PWM outputs in +response to the measured temperatures without further host intervention. +This feature can also be disabled for manual control of the PWM's. + +Each of the measured inputs (voltage, temperature, fan speed) has +corresponding high/low limit values. The ADT7473 will signal an ALARM if +any measured value exceeds either limit. + +The ADT7473 samples all inputs continuously. The driver will not read +the registers more often than once every other second. Further, +configuration data is only read once per minute. + +Special Features +---------------- + +The ADT7473 have a 10-bit ADC and can therefore measure temperatures +with 0.25 degC resolution. Temperature readings can be configured either +for twos complement format or "Offset 64" format, wherein 63 is subtracted +from the raw value to get the temperature value. + +The Analog Devices datasheet is very detailed and describes a procedure for +determining an optimal configuration for the automatic PWM control. + +Hardware Configurations +----------------------- + +The ADT7473 chips have an optional SMBALERT output that can be used to +signal the chipset in case a limit is exceeded or the temperature sensors +fail. Individual sensor interrupts can be masked so they won't trigger +SMBALERT. The SMBALERT output if configured replaces the PWM2 function. + +Configuration Notes +------------------- + +Besides standard interfaces driver adds the following: + +* PWM Control + +* pwm#_auto_point1_pwm and pwm#_auto_point1_temp and +* pwm#_auto_point2_pwm and pwm#_auto_point2_temp - + +point1: Set the pwm speed at a lower temperature bound. +point2: Set the pwm speed at a higher temperature bound. + +The ADT7473 will scale the pwm between the lower and higher pwm speed when +the temperature is between the two temperature boundaries. PWM values range +from 0 (off) to 255 (full speed). + +Notes +----- + +The NVIDIA binary driver presents an ADT7473 chip via an on-card i2c bus. +Unfortunately, they fail to set the i2c adapter class, so this driver may +fail to find the chip until the nvidia driver is patched. diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 410ffe4e9d8..368879ff5d8 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -143,6 +143,16 @@ config SENSORS_ADT7470 This driver can also be built as a module. If so, the module will be called adt7470. +config SENSORS_ADT7473 + tristate "Analog Devices ADT7473" + depends on I2C && EXPERIMENTAL + help + If you say yes here you get support for the Analog Devices + ADT7473 temperature monitoring chips. + + This driver can also be built as a module. If so, the module + will be called adt7473. + config SENSORS_K8TEMP tristate "AMD Athlon64/FX or Opteron temperature sensor" depends on X86 && PCI && EXPERIMENTAL diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index 824161337f1..3bdb05a5cbd 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -24,6 +24,7 @@ obj-$(CONFIG_SENSORS_ADM1031) += adm1031.o obj-$(CONFIG_SENSORS_ADM9240) += adm9240.o obj-$(CONFIG_SENSORS_ADS7828) += ads7828.o obj-$(CONFIG_SENSORS_ADT7470) += adt7470.o +obj-$(CONFIG_SENSORS_ADT7473) += adt7473.o obj-$(CONFIG_SENSORS_APPLESMC) += applesmc.o obj-$(CONFIG_SENSORS_AMS) += ams/ obj-$(CONFIG_SENSORS_ATXP1) += atxp1.o diff --git a/drivers/hwmon/adt7473.c b/drivers/hwmon/adt7473.c new file mode 100644 index 00000000000..a3daeefff47 --- /dev/null +++ b/drivers/hwmon/adt7473.c @@ -0,0 +1,1157 @@ +/* + * A hwmon driver for the Analog Devices ADT7473 + * Copyright (C) 2007 IBM + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* Addresses to scan */ +static unsigned short normal_i2c[] = { 0x2C, 0x2D, 0x2E, I2C_CLIENT_END }; + +/* Insmod parameters */ +I2C_CLIENT_INSMOD_1(adt7473); + +/* ADT7473 registers */ +#define ADT7473_REG_BASE_ADDR 0x20 + +#define ADT7473_REG_VOLT_BASE_ADDR 0x21 +#define ADT7473_REG_VOLT_MAX_ADDR 0x22 +#define ADT7473_REG_VOLT_MIN_BASE_ADDR 0x46 +#define ADT7473_REG_VOLT_MIN_MAX_ADDR 0x49 + +#define ADT7473_REG_TEMP_BASE_ADDR 0x25 +#define ADT7473_REG_TEMP_MAX_ADDR 0x27 +#define ADT7473_REG_TEMP_LIMITS_BASE_ADDR 0x4E +#define ADT7473_REG_TEMP_LIMITS_MAX_ADDR 0x53 +#define ADT7473_REG_TEMP_TMIN_BASE_ADDR 0x67 +#define ADT7473_REG_TEMP_TMIN_MAX_ADDR 0x69 +#define ADT7473_REG_TEMP_TMAX_BASE_ADDR 0x6A +#define ADT7473_REG_TEMP_TMAX_MAX_ADDR 0x6C + +#define ADT7473_REG_FAN_BASE_ADDR 0x28 +#define ADT7473_REG_FAN_MAX_ADDR 0x2F +#define ADT7473_REG_FAN_MIN_BASE_ADDR 0x54 +#define ADT7473_REG_FAN_MIN_MAX_ADDR 0x5B + +#define ADT7473_REG_PWM_BASE_ADDR 0x30 +#define ADT7473_REG_PWM_MAX_ADDR 0x32 +#define ADT7473_REG_PWM_MIN_BASE_ADDR 0x64 +#define ADT7473_REG_PWM_MIN_MAX_ADDR 0x66 +#define ADT7473_REG_PWM_MAX_BASE_ADDR 0x38 +#define ADT7473_REG_PWM_MAX_MAX_ADDR 0x3A +#define ADT7473_REG_PWM_BHVR_BASE_ADDR 0x5C +#define ADT7473_REG_PWM_BHVR_MAX_ADDR 0x5E +#define ADT7473_PWM_BHVR_MASK 0xE0 +#define ADT7473_PWM_BHVR_SHIFT 5 + +#define ADT7473_REG_CFG1 0x40 +#define ADT7473_CFG1_START 0x01 +#define ADT7473_CFG1_READY 0x04 +#define ADT7473_REG_CFG2 0x73 +#define ADT7473_REG_CFG3 0x78 +#define ADT7473_REG_CFG4 0x7D +#define ADT7473_CFG4_MAX_DUTY_AT_OVT 0x08 +#define ADT7473_REG_CFG5 0x7C +#define ADT7473_CFG5_TEMP_TWOS 0x01 +#define ADT7473_CFG5_TEMP_OFFSET 0x02 + +#define ADT7473_REG_DEVICE 0x3D +#define ADT7473_VENDOR 0x41 +#define ADT7473_REG_VENDOR 0x3E +#define ADT7473_DEVICE 0x73 +#define ADT7473_REG_REVISION 0x3F +#define ADT7473_REV_68 0x68 +#define ADT7473_REV_69 0x69 + +#define ADT7473_REG_ALARM1 0x41 +#define ADT7473_VCCP_ALARM 0x02 +#define ADT7473_VCC_ALARM 0x04 +#define ADT7473_R1T_ALARM 0x10 +#define ADT7473_LT_ALARM 0x20 +#define ADT7473_R2T_ALARM 0x40 +#define ADT7473_OOL 0x80 +#define ADT7473_REG_ALARM2 0x42 +#define ADT7473_OVT_ALARM 0x02 +#define ADT7473_FAN1_ALARM 0x04 +#define ADT7473_FAN2_ALARM 0x08 +#define ADT7473_FAN3_ALARM 0x10 +#define ADT7473_FAN4_ALARM 0x20 +#define ADT7473_R1T_SHORT 0x40 +#define ADT7473_R2T_SHORT 0x80 +#define ADT7473_REG_MAX_ADDR 0x80 + +#define ALARM2(x) ((x) << 8) + +#define ADT7473_VOLT_COUNT 2 +#define ADT7473_REG_VOLT(x) (ADT7473_REG_VOLT_BASE_ADDR + (x)) +#define ADT7473_REG_VOLT_MIN(x) (ADT7473_REG_VOLT_MIN_BASE_ADDR + ((x) * 2)) +#define ADT7473_REG_VOLT_MAX(x) (ADT7473_REG_VOLT_MIN_BASE_ADDR + \ + ((x) * 2) + 1) + +#define ADT7473_TEMP_COUNT 3 +#define ADT7473_REG_TEMP(x) (ADT7473_REG_TEMP_BASE_ADDR + (x)) +#define ADT7473_REG_TEMP_MIN(x) (ADT7473_REG_TEMP_LIMITS_BASE_ADDR + ((x) * 2)) +#define ADT7473_REG_TEMP_MAX(x) (ADT7473_REG_TEMP_LIMITS_BASE_ADDR + \ + ((x) * 2) + 1) +#define ADT7473_REG_TEMP_TMIN(x) (ADT7473_REG_TEMP_TMIN_BASE_ADDR + (x)) +#define ADT7473_REG_TEMP_TMAX(x) (ADT7473_REG_TEMP_TMAX_BASE_ADDR + (x)) + +#define ADT7473_FAN_COUNT 4 +#define ADT7473_REG_FAN(x) (ADT7473_REG_FAN_BASE_ADDR + ((x) * 2)) +#define ADT7473_REG_FAN_MIN(x) (ADT7473_REG_FAN_MIN_BASE_ADDR + ((x) * 2)) + +#define ADT7473_PWM_COUNT 3 +#define ADT7473_REG_PWM(x) (ADT7473_REG_PWM_BASE_ADDR + (x)) +#define ADT7473_REG_PWM_MAX(x) (ADT7473_REG_PWM_MAX_BASE_ADDR + (x)) +#define ADT7473_REG_PWM_MIN(x) (ADT7473_REG_PWM_MIN_BASE_ADDR + (x)) +#define ADT7473_REG_PWM_BHVR(x) (ADT7473_REG_PWM_BHVR_BASE_ADDR + (x)) + +/* How often do we reread sensors values? (In jiffies) */ +#define SENSOR_REFRESH_INTERVAL (2 * HZ) + +/* How often do we reread sensor limit values? (In jiffies) */ +#define LIMIT_REFRESH_INTERVAL (60 * HZ) + +/* datasheet says to divide this number by the fan reading to get fan rpm */ +#define FAN_PERIOD_TO_RPM(x) ((90000 * 60) / (x)) +#define FAN_RPM_TO_PERIOD FAN_PERIOD_TO_RPM +#define FAN_PERIOD_INVALID 65535 +#define FAN_DATA_VALID(x) ((x) && (x) != FAN_PERIOD_INVALID) + +struct adt7473_data { + struct i2c_client client; + struct device *hwmon_dev; + struct attribute_group attrs; + struct mutex lock; + char sensors_valid; + char limits_valid; + unsigned long sensors_last_updated; /* In jiffies */ + unsigned long limits_last_updated; /* In jiffies */ + + u8 volt[ADT7473_VOLT_COUNT]; + s8 volt_min[ADT7473_VOLT_COUNT]; + s8 volt_max[ADT7473_VOLT_COUNT]; + + s8 temp[ADT7473_TEMP_COUNT]; + s8 temp_min[ADT7473_TEMP_COUNT]; + s8 temp_max[ADT7473_TEMP_COUNT]; + s8 temp_tmin[ADT7473_TEMP_COUNT]; + /* This is called the !THERM limit in the datasheet */ + s8 temp_tmax[ADT7473_TEMP_COUNT]; + + u16 fan[ADT7473_FAN_COUNT]; + u16 fan_min[ADT7473_FAN_COUNT]; + + u8 pwm[ADT7473_PWM_COUNT]; + u8 pwm_max[ADT7473_PWM_COUNT]; + u8 pwm_min[ADT7473_PWM_COUNT]; + u8 pwm_behavior[ADT7473_PWM_COUNT]; + + u8 temp_twos_complement; + u8 temp_offset; + + u16 alarm; + u8 max_duty_at_overheat; +}; + +static int adt7473_attach_adapter(struct i2c_adapter *adapter); +static int adt7473_detect(struct i2c_adapter *adapter, int address, int kind); +static int adt7473_detach_client(struct i2c_client *client); + +static struct i2c_driver adt7473_driver = { + .driver = { + .name = "adt7473", + }, + .attach_adapter = adt7473_attach_adapter, + .detach_client = adt7473_detach_client, +}; + +/* + * 16-bit registers on the ADT7473 are low-byte first. The data sheet says + * that the low byte must be read before the high byte. + */ +static inline int adt7473_read_word_data(struct i2c_client *client, u8 reg) +{ + u16 foo; + foo = i2c_smbus_read_byte_data(client, reg); + foo |= ((u16)i2c_smbus_read_byte_data(client, reg + 1) << 8); + return foo; +} + +static inline int adt7473_write_word_data(struct i2c_client *client, u8 reg, + u16 value) +{ + return i2c_smbus_write_byte_data(client, reg, value & 0xFF) + && i2c_smbus_write_byte_data(client, reg + 1, value >> 8); +} + +static void adt7473_init_client(struct i2c_client *client) +{ + int reg = i2c_smbus_read_byte_data(client, ADT7473_REG_CFG1); + + if (!(reg & ADT7473_CFG1_READY)) { + dev_err(&client->dev, "Chip not ready.\n"); + } else { + /* start monitoring */ + i2c_smbus_write_byte_data(client, ADT7473_REG_CFG1, + reg | ADT7473_CFG1_START); + } +} + +static struct adt7473_data *adt7473_update_device(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adt7473_data *data = i2c_get_clientdata(client); + unsigned long local_jiffies = jiffies; + u8 cfg; + int i; + + mutex_lock(&data->lock); + if (time_before(local_jiffies, data->sensors_last_updated + + SENSOR_REFRESH_INTERVAL) + && data->sensors_valid) + goto no_sensor_update; + + for (i = 0; i < ADT7473_VOLT_COUNT; i++) + data->volt[i] = i2c_smbus_read_byte_data(client, + ADT7473_REG_VOLT(i)); + + /* Determine temperature encoding */ + cfg = i2c_smbus_read_byte_data(client, ADT7473_REG_CFG5); + data->temp_twos_complement = (cfg & ADT7473_CFG5_TEMP_TWOS); + + /* + * What does this do? it implies a variable temperature sensor + * offset, but the datasheet doesn't say anything about this bit + * and other parts of the datasheet imply that "offset64" mode + * means that you shift temp values by -64 if the above bit was set. + */ + data->temp_offset = (cfg & ADT7473_CFG5_TEMP_OFFSET); + + for (i = 0; i < ADT7473_TEMP_COUNT; i++) + data->temp[i] = i2c_smbus_read_byte_data(client, + ADT7473_REG_TEMP(i)); + + for (i = 0; i < ADT7473_FAN_COUNT; i++) + data->fan[i] = adt7473_read_word_data(client, + ADT7473_REG_FAN(i)); + + for (i = 0; i < ADT7473_PWM_COUNT; i++) + data->pwm[i] = i2c_smbus_read_byte_data(client, + ADT7473_REG_PWM(i)); + + data->alarm = i2c_smbus_read_byte_data(client, ADT7473_REG_ALARM1); + if (data->alarm & ADT7473_OOL) + data->alarm |= ALARM2(i2c_smbus_read_byte_data(client, + ADT7473_REG_ALARM2)); + + data->sensors_last_updated = local_jiffies; + data->sensors_valid = 1; + +no_sensor_update: + if (time_before(local_jiffies, data->limits_last_updated + + LIMIT_REFRESH_INTERVAL) + && data->limits_valid) + goto out; + + for (i = 0; i < ADT7473_VOLT_COUNT; i++) { + data->volt_min[i] = i2c_smbus_read_byte_data(client, + ADT7473_REG_VOLT_MIN(i)); + data->volt_max[i] = i2c_smbus_read_byte_data(client, + ADT7473_REG_VOLT_MAX(i)); + } + + for (i = 0; i < ADT7473_TEMP_COUNT; i++) { + data->temp_min[i] = i2c_smbus_read_byte_data(client, + ADT7473_REG_TEMP_MIN(i)); + data->temp_max[i] = i2c_smbus_read_byte_data(client, + ADT7473_REG_TEMP_MAX(i)); + data->temp_tmin[i] = i2c_smbus_read_byte_data(client, + ADT7473_REG_TEMP_TMIN(i)); + data->temp_tmax[i] = i2c_smbus_read_byte_data(client, + ADT7473_REG_TEMP_TMAX(i)); + } + + for (i = 0; i < ADT7473_FAN_COUNT; i++) + data->fan_min[i] = adt7473_read_word_data(client, + ADT7473_REG_FAN_MIN(i)); + + for (i = 0; i < ADT7473_PWM_COUNT; i++) { + data->pwm_max[i] = i2c_smbus_read_byte_data(client, + ADT7473_REG_PWM_MAX(i)); + data->pwm_min[i] = i2c_smbus_read_byte_data(client, + ADT7473_REG_PWM_MIN(i)); + data->pwm_behavior[i] = i2c_smbus_read_byte_data(client, + ADT7473_REG_PWM_BHVR(i)); + } + + data->limits_last_updated = local_jiffies; + data->limits_valid = 1; + +out: + mutex_unlock(&data->lock); + return data; +} + +/* + * On this chip, voltages are given as a count of steps between a minimum + * and maximum voltage, not a direct voltage. + */ +static const int volt_convert_table[][2] = { + {2997, 3}, + {4395, 4}, +}; + +static int decode_volt(int volt_index, u8 raw) +{ + int cmax = volt_convert_table[volt_index][0]; + int cmin = volt_convert_table[volt_index][1]; + return ((raw * (cmax - cmin)) / 255) + cmin; +} + +static u8 encode_volt(int volt_index, int cooked) +{ + int cmax = volt_convert_table[volt_index][0]; + int cmin = volt_convert_table[volt_index][1]; + u8 x; + + if (cooked > cmax) + cooked = cmax; + else if (cooked < cmin) + cooked = cmin; + + x = ((cooked - cmin) * 255) / (cmax - cmin); + + return x; +} + +static ssize_t show_volt_min(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7473_data *data = adt7473_update_device(dev); + return sprintf(buf, "%d\n", + decode_volt(attr->index, data->volt_min[attr->index])); +} + +static ssize_t set_volt_min(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7473_data *data = i2c_get_clientdata(client); + int volt = encode_volt(attr->index, simple_strtol(buf, NULL, 10)); + + mutex_lock(&data->lock); + data->volt_min[attr->index] = volt; + i2c_smbus_write_byte_data(client, ADT7473_REG_VOLT_MIN(attr->index), + volt); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_volt_max(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7473_data *data = adt7473_update_device(dev); + return sprintf(buf, "%d\n", + decode_volt(attr->index, data->volt_max[attr->index])); +} + +static ssize_t set_volt_max(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7473_data *data = i2c_get_clientdata(client); + int volt = encode_volt(attr->index, simple_strtol(buf, NULL, 10)); + + mutex_lock(&data->lock); + data->volt_max[attr->index] = volt; + i2c_smbus_write_byte_data(client, ADT7473_REG_VOLT_MAX(attr->index), + volt); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_volt(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7473_data *data = adt7473_update_device(dev); + + return sprintf(buf, "%d\n", + decode_volt(attr->index, data->volt[attr->index])); +} + +/* + * This chip can report temperature data either as a two's complement + * number in the range -128 to 127, or as an unsigned number that must + * be offset by 64. + */ +static int decode_temp(struct adt7473_data *data, u8 raw) +{ + if (data->temp_twos_complement) + return (s8)raw; + return raw - 64; +} + +static u8 encode_temp(struct adt7473_data *data, int cooked) +{ + if (data->temp_twos_complement) + return (cooked & 0xFF); + return cooked + 64; +} + +static ssize_t show_temp_min(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7473_data *data = adt7473_update_device(dev); + return sprintf(buf, "%d\n", + 1000 * decode_temp(data, data->temp_min[attr->index])); +} + +static ssize_t set_temp_min(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7473_data *data = i2c_get_clientdata(client); + int temp = simple_strtol(buf, NULL, 10) / 1000; + temp = encode_temp(data, temp); + + mutex_lock(&data->lock); + data->temp_min[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7473_REG_TEMP_MIN(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_temp_max(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7473_data *data = adt7473_update_device(dev); + return sprintf(buf, "%d\n", + 1000 * decode_temp(data, data->temp_max[attr->index])); +} + +static ssize_t set_temp_max(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7473_data *data = i2c_get_clientdata(client); + int temp = simple_strtol(buf, NULL, 10) / 1000; + temp = encode_temp(data, temp); + + mutex_lock(&data->lock); + data->temp_max[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7473_REG_TEMP_MAX(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_temp(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7473_data *data = adt7473_update_device(dev); + return sprintf(buf, "%d\n", + 1000 * decode_temp(data, data->temp[attr->index])); +} + +static ssize_t show_fan_min(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7473_data *data = adt7473_update_device(dev); + + if (FAN_DATA_VALID(data->fan_min[attr->index])) + return sprintf(buf, "%d\n", + FAN_PERIOD_TO_RPM(data->fan_min[attr->index])); + else + return sprintf(buf, "0\n"); +} + +static ssize_t set_fan_min(struct device *dev, + struct device_attribute *devattr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7473_data *data = i2c_get_clientdata(client); + int temp = simple_strtol(buf, NULL, 10); + + if (!temp) + return -EINVAL; + temp = FAN_RPM_TO_PERIOD(temp); + + mutex_lock(&data->lock); + data->fan_min[attr->index] = temp; + adt7473_write_word_data(client, ADT7473_REG_FAN_MIN(attr->index), temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_fan(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7473_data *data = adt7473_update_device(dev); + + if (FAN_DATA_VALID(data->fan[attr->index])) + return sprintf(buf, "%d\n", + FAN_PERIOD_TO_RPM(data->fan[attr->index])); + else + return sprintf(buf, "0\n"); +} + +static ssize_t show_max_duty_at_crit(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct adt7473_data *data = adt7473_update_device(dev); + return sprintf(buf, "%d\n", data->max_duty_at_overheat); +} + +static ssize_t set_max_duty_at_crit(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + u8 reg; + struct i2c_client *client = to_i2c_client(dev); + struct adt7473_data *data = i2c_get_clientdata(client); + int temp = simple_strtol(buf, NULL, 10); + temp = temp && 0xFF; + + mutex_lock(&data->lock); + data->max_duty_at_overheat = temp; + reg = i2c_smbus_read_byte_data(client, ADT7473_REG_CFG4); + if (temp) + reg |= ADT7473_CFG4_MAX_DUTY_AT_OVT; + else + reg &= ~ADT7473_CFG4_MAX_DUTY_AT_OVT; + i2c_smbus_write_byte_data(client, ADT7473_REG_CFG4, reg); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7473_data *data = adt7473_update_device(dev); + return sprintf(buf, "%d\n", data->pwm[attr->index]); +} + +static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7473_data *data = i2c_get_clientdata(client); + int temp = simple_strtol(buf, NULL, 10); + + mutex_lock(&data->lock); + data->pwm[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7473_REG_PWM(attr->index), temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm_max(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7473_data *data = adt7473_update_device(dev); + return sprintf(buf, "%d\n", data->pwm_max[attr->index]); +} + +static ssize_t set_pwm_max(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7473_data *data = i2c_get_clientdata(client); + int temp = simple_strtol(buf, NULL, 10); + + mutex_lock(&data->lock); + data->pwm_max[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7473_REG_PWM_MAX(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm_min(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7473_data *data = adt7473_update_device(dev); + return sprintf(buf, "%d\n", data->pwm_min[attr->index]); +} + +static ssize_t set_pwm_min(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7473_data *data = i2c_get_clientdata(client); + int temp = simple_strtol(buf, NULL, 10); + + mutex_lock(&data->lock); + data->pwm_min[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7473_REG_PWM_MIN(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_temp_tmax(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7473_data *data = adt7473_update_device(dev); + return sprintf(buf, "%d\n", + 1000 * decode_temp(data, data->temp_tmax[attr->index])); +} + +static ssize_t set_temp_tmax(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7473_data *data = i2c_get_clientdata(client); + int temp = simple_strtol(buf, NULL, 10) / 1000; + temp = encode_temp(data, temp); + + mutex_lock(&data->lock); + data->temp_tmax[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7473_REG_TEMP_TMAX(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_temp_tmin(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7473_data *data = adt7473_update_device(dev); + return sprintf(buf, "%d\n", + 1000 * decode_temp(data, data->temp_tmin[attr->index])); +} + +static ssize_t set_temp_tmin(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7473_data *data = i2c_get_clientdata(client); + int temp = simple_strtol(buf, NULL, 10) / 1000; + temp = encode_temp(data, temp); + + mutex_lock(&data->lock); + data->temp_tmin[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7473_REG_TEMP_TMIN(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm_enable(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7473_data *data = adt7473_update_device(dev); + + switch (data->pwm_behavior[attr->index] >> ADT7473_PWM_BHVR_SHIFT) { + case 3: + return sprintf(buf, "0\n"); + case 7: + return sprintf(buf, "1\n"); + default: + return sprintf(buf, "2\n"); + } +} + +static ssize_t set_pwm_enable(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + u8 reg; + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7473_data *data = i2c_get_clientdata(client); + int temp = simple_strtol(buf, NULL, 10); + + switch (temp) { + case 0: + temp = 3; + break; + case 1: + temp = 7; + break; + case 2: + /* Enter automatic mode with fans off */ + temp = 4; + break; + default: + return -EINVAL; + } + + mutex_lock(&data->lock); + reg = i2c_smbus_read_byte_data(client, + ADT7473_REG_PWM_BHVR(attr->index)); + reg = (temp << ADT7473_PWM_BHVR_SHIFT) | + (reg & ~ADT7473_PWM_BHVR_MASK); + i2c_smbus_write_byte_data(client, ADT7473_REG_PWM_BHVR(attr->index), + reg); + data->pwm_behavior[attr->index] = reg; + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm_auto_temp(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7473_data *data = adt7473_update_device(dev); + int bhvr = data->pwm_behavior[attr->index] >> ADT7473_PWM_BHVR_SHIFT; + + switch (bhvr) { + case 3: + case 4: + case 7: + return sprintf(buf, "0\n"); + case 0: + case 1: + case 5: + case 6: + return sprintf(buf, "%d\n", bhvr + 1); + case 2: + return sprintf(buf, "4\n"); + } + /* shouldn't ever get here */ + BUG(); +} + +static ssize_t set_pwm_auto_temp(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + u8 reg; + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7473_data *data = i2c_get_clientdata(client); + int temp = simple_strtol(buf, NULL, 10); + + switch (temp) { + case 1: + case 2: + case 6: + case 7: + temp--; + break; + case 0: + temp = 4; + break; + default: + return -EINVAL; + } + + mutex_lock(&data->lock); + reg = i2c_smbus_read_byte_data(client, + ADT7473_REG_PWM_BHVR(attr->index)); + reg = (temp << ADT7473_PWM_BHVR_SHIFT) | + (reg & ~ADT7473_PWM_BHVR_MASK); + i2c_smbus_write_byte_data(client, ADT7473_REG_PWM_BHVR(attr->index), + reg); + data->pwm_behavior[attr->index] = reg; + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_alarm(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7473_data *data = adt7473_update_device(dev); + + if (data->alarm & attr->index) + return sprintf(buf, "1\n"); + else + return sprintf(buf, "0\n"); +} + + +static SENSOR_DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 0); +static SENSOR_DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 1); + +static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 0); +static SENSOR_DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 1); + +static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_volt, NULL, 0); +static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_volt, NULL, 1); + +static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, + ADT7473_VCCP_ALARM); +static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, + ADT7473_VCC_ALARM); + +static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max, + set_temp_max, 0); +static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp_max, + set_temp_max, 1); +static SENSOR_DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO, show_temp_max, + set_temp_max, 2); + +static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp_min, + set_temp_min, 0); +static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp_min, + set_temp_min, 1); +static SENSOR_DEVICE_ATTR(temp3_min, S_IWUSR | S_IRUGO, show_temp_min, + set_temp_min, 2); + +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); +static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1); +static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2); + +static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, + ADT7473_R1T_ALARM | ALARM2(ADT7473_R1T_SHORT)); +static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, + ADT7473_LT_ALARM); +static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, + ADT7473_R2T_ALARM | ALARM2(ADT7473_R2T_SHORT)); + +static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 0); +static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 1); +static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 2); +static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 3); + +static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0); +static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1); +static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2); +static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3); + +static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, + ALARM2(ADT7473_FAN1_ALARM)); +static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, + ALARM2(ADT7473_FAN2_ALARM)); +static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, + ALARM2(ADT7473_FAN3_ALARM)); +static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, + ALARM2(ADT7473_FAN4_ALARM)); + +static SENSOR_DEVICE_ATTR(pwm_use_point2_pwm_at_crit, S_IWUSR | S_IRUGO, + show_max_duty_at_crit, set_max_duty_at_crit, 0); + +static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 0); +static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 1); +static SENSOR_DEVICE_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 2); + +static SENSOR_DEVICE_ATTR(pwm1_auto_point1_pwm, S_IWUSR | S_IRUGO, + show_pwm_min, set_pwm_min, 0); +static SENSOR_DEVICE_ATTR(pwm2_auto_point1_pwm, S_IWUSR | S_IRUGO, + show_pwm_min, set_pwm_min, 1); +static SENSOR_DEVICE_ATTR(pwm3_auto_point1_pwm, S_IWUSR | S_IRUGO, + show_pwm_min, set_pwm_min, 2); + +static SENSOR_DEVICE_ATTR(pwm1_auto_point2_pwm, S_IWUSR | S_IRUGO, + show_pwm_max, set_pwm_max, 0); +static SENSOR_DEVICE_ATTR(pwm2_auto_point2_pwm, S_IWUSR | S_IRUGO, + show_pwm_max, set_pwm_max, 1); +static SENSOR_DEVICE_ATTR(pwm3_auto_point2_pwm, S_IWUSR | S_IRUGO, + show_pwm_max, set_pwm_max, 2); + +static SENSOR_DEVICE_ATTR(temp1_auto_point1_temp, S_IWUSR | S_IRUGO, + show_temp_tmin, set_temp_tmin, 0); +static SENSOR_DEVICE_ATTR(temp2_auto_point1_temp, S_IWUSR | S_IRUGO, + show_temp_tmin, set_temp_tmin, 1); +static SENSOR_DEVICE_ATTR(temp3_auto_point1_temp, S_IWUSR | S_IRUGO, + show_temp_tmin, set_temp_tmin, 2); + +static SENSOR_DEVICE_ATTR(temp1_auto_point2_temp, S_IWUSR | S_IRUGO, + show_temp_tmax, set_temp_tmax, 0); +static SENSOR_DEVICE_ATTR(temp2_auto_point2_temp, S_IWUSR | S_IRUGO, + show_temp_tmax, set_temp_tmax, 1); +static SENSOR_DEVICE_ATTR(temp3_auto_point2_temp, S_IWUSR | S_IRUGO, + show_temp_tmax, set_temp_tmax, 2); + +static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, show_pwm_enable, + set_pwm_enable, 0); +static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, show_pwm_enable, + set_pwm_enable, 1); +static SENSOR_DEVICE_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, show_pwm_enable, + set_pwm_enable, 2); + +static SENSOR_DEVICE_ATTR(pwm1_auto_channels_temp, S_IWUSR | S_IRUGO, + show_pwm_auto_temp, set_pwm_auto_temp, 0); +static SENSOR_DEVICE_ATTR(pwm2_auto_channels_temp, S_IWUSR | S_IRUGO, + show_pwm_auto_temp, set_pwm_auto_temp, 1); +static SENSOR_DEVICE_ATTR(pwm3_auto_channels_temp, S_IWUSR | S_IRUGO, + show_pwm_auto_temp, set_pwm_auto_temp, 2); + +static struct attribute *adt7473_attr[] = +{ + &sensor_dev_attr_in1_max.dev_attr.attr, + &sensor_dev_attr_in2_max.dev_attr.attr, + &sensor_dev_attr_in1_min.dev_attr.attr, + &sensor_dev_attr_in2_min.dev_attr.attr, + &sensor_dev_attr_in1_input.dev_attr.attr, + &sensor_dev_attr_in2_input.dev_attr.attr, + &sensor_dev_attr_in1_alarm.dev_attr.attr, + &sensor_dev_attr_in2_alarm.dev_attr.attr, + + &sensor_dev_attr_temp1_max.dev_attr.attr, + &sensor_dev_attr_temp2_max.dev_attr.attr, + &sensor_dev_attr_temp3_max.dev_attr.attr, + &sensor_dev_attr_temp1_min.dev_attr.attr, + &sensor_dev_attr_temp2_min.dev_attr.attr, + &sensor_dev_attr_temp3_min.dev_attr.attr, + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp2_input.dev_attr.attr, + &sensor_dev_attr_temp3_input.dev_attr.attr, + &sensor_dev_attr_temp1_alarm.dev_attr.attr, + &sensor_dev_attr_temp2_alarm.dev_attr.attr, + &sensor_dev_attr_temp3_alarm.dev_attr.attr, + &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr, + &sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr, + &sensor_dev_attr_temp3_auto_point1_temp.dev_attr.attr, + &sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr, + &sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr, + &sensor_dev_attr_temp3_auto_point2_temp.dev_attr.attr, + + &sensor_dev_attr_fan1_min.dev_attr.attr, + &sensor_dev_attr_fan2_min.dev_attr.attr, + &sensor_dev_attr_fan3_min.dev_attr.attr, + &sensor_dev_attr_fan4_min.dev_attr.attr, + &sensor_dev_attr_fan1_input.dev_attr.attr, + &sensor_dev_attr_fan2_input.dev_attr.attr, + &sensor_dev_attr_fan3_input.dev_attr.attr, + &sensor_dev_attr_fan4_input.dev_attr.attr, + &sensor_dev_attr_fan1_alarm.dev_attr.attr, + &sensor_dev_attr_fan2_alarm.dev_attr.attr, + &sensor_dev_attr_fan3_alarm.dev_attr.attr, + &sensor_dev_attr_fan4_alarm.dev_attr.attr, + + &sensor_dev_attr_pwm_use_point2_pwm_at_crit.dev_attr.attr, + + &sensor_dev_attr_pwm1.dev_attr.attr, + &sensor_dev_attr_pwm2.dev_attr.attr, + &sensor_dev_attr_pwm3.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr, + + &sensor_dev_attr_pwm1_enable.dev_attr.attr, + &sensor_dev_attr_pwm2_enable.dev_attr.attr, + &sensor_dev_attr_pwm3_enable.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_channels_temp.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_channels_temp.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_channels_temp.dev_attr.attr, + + NULL +}; + +static int adt7473_attach_adapter(struct i2c_adapter *adapter) +{ + if (!(adapter->class & I2C_CLASS_HWMON)) + return 0; + return i2c_probe(adapter, &addr_data, adt7473_detect); +} + +static int adt7473_detect(struct i2c_adapter *adapter, int address, int kind) +{ + struct i2c_client *client; + struct adt7473_data *data; + int err = 0; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + goto exit; + + data = kzalloc(sizeof(struct adt7473_data), GFP_KERNEL); + if (!data) { + err = -ENOMEM; + goto exit; + } + + client = &data->client; + client->addr = address; + client->adapter = adapter; + client->driver = &adt7473_driver; + + i2c_set_clientdata(client, data); + + mutex_init(&data->lock); + + if (kind <= 0) { + int vendor, device, revision; + + vendor = i2c_smbus_read_byte_data(client, ADT7473_REG_VENDOR); + if (vendor != ADT7473_VENDOR) { + err = -ENODEV; + goto exit_free; + } + + device = i2c_smbus_read_byte_data(client, ADT7473_REG_DEVICE); + if (device != ADT7473_DEVICE) { + err = -ENODEV; + goto exit_free; + } + + revision = i2c_smbus_read_byte_data(client, + ADT7473_REG_REVISION); + if (revision != ADT7473_REV_68 && revision != ADT7473_REV_69) { + err = -ENODEV; + goto exit_free; + } + } else + dev_dbg(&adapter->dev, "detection forced\n"); + + strlcpy(client->name, "adt7473", I2C_NAME_SIZE); + + err = i2c_attach_client(client); + if (err) + goto exit_free; + + dev_info(&client->dev, "%s chip found\n", client->name); + + /* Initialize the ADT7473 chip */ + adt7473_init_client(client); + + /* Register sysfs hooks */ + data->attrs.attrs = adt7473_attr; + err = sysfs_create_group(&client->dev.kobj, &data->attrs); + if (err) + goto exit_detach; + + data->hwmon_dev = hwmon_device_register(&client->dev); + if (IS_ERR(data->hwmon_dev)) { + err = PTR_ERR(data->hwmon_dev); + goto exit_remove; + } + + return 0; + +exit_remove: + sysfs_remove_group(&client->dev.kobj, &data->attrs); +exit_detach: + i2c_detach_client(client); +exit_free: + kfree(data); +exit: + return err; +} + +static int adt7473_detach_client(struct i2c_client *client) +{ + struct adt7473_data *data = i2c_get_clientdata(client); + + hwmon_device_unregister(data->hwmon_dev); + sysfs_remove_group(&client->dev.kobj, &data->attrs); + i2c_detach_client(client); + kfree(data); + return 0; +} + +static int __init adt7473_init(void) +{ + return i2c_add_driver(&adt7473_driver); +} + +static void __exit adt7473_exit(void) +{ + i2c_del_driver(&adt7473_driver); +} + +MODULE_AUTHOR("Darrick J. Wong "); +MODULE_DESCRIPTION("ADT7473 driver"); +MODULE_LICENSE("GPL"); + +module_init(adt7473_init); +module_exit(adt7473_exit); -- cgit v1.2.3 From 25e9c86d5a6d82ea45eb680fc66bf73ac5e50dff Mon Sep 17 00:00:00 2001 From: "Mark M. Hoffman" Date: Sun, 17 Feb 2008 22:28:03 -0500 Subject: hwmon: normal_i2c arrays should be const Signed-off-by: Mark M. Hoffman --- drivers/hwmon/ad7418.c | 2 +- drivers/hwmon/adm1021.c | 6 ++---- drivers/hwmon/adm1025.c | 2 +- drivers/hwmon/adm1026.c | 2 +- drivers/hwmon/adm1029.c | 6 ++---- drivers/hwmon/adm1031.c | 2 +- drivers/hwmon/adm9240.c | 2 +- drivers/hwmon/ads7828.c | 2 +- drivers/hwmon/adt7470.c | 2 +- drivers/hwmon/adt7473.c | 2 +- drivers/hwmon/asb100.c | 2 +- drivers/hwmon/atxp1.c | 2 +- drivers/hwmon/dme1737.c | 2 +- drivers/hwmon/ds1621.c | 2 +- drivers/hwmon/f75375s.c | 2 +- drivers/hwmon/fscher.c | 2 +- drivers/hwmon/fschmd.c | 2 +- drivers/hwmon/fscpos.c | 2 +- drivers/hwmon/gl518sm.c | 2 +- drivers/hwmon/gl520sm.c | 2 +- drivers/hwmon/lm63.c | 2 +- drivers/hwmon/lm75.c | 2 +- drivers/hwmon/lm77.c | 3 ++- drivers/hwmon/lm78.c | 4 ++-- drivers/hwmon/lm80.c | 4 ++-- drivers/hwmon/lm83.c | 6 ++---- drivers/hwmon/lm85.c | 2 +- drivers/hwmon/lm87.c | 2 +- drivers/hwmon/lm90.c | 6 ++---- drivers/hwmon/lm92.c | 4 ++-- drivers/hwmon/lm93.c | 2 +- drivers/hwmon/max1619.c | 6 ++---- drivers/hwmon/max6650.c | 3 ++- drivers/hwmon/smsc47m192.c | 2 +- drivers/hwmon/thmc50.c | 2 +- drivers/hwmon/w83781d.c | 4 ++-- drivers/hwmon/w83791d.c | 3 ++- drivers/hwmon/w83792d.c | 3 ++- drivers/hwmon/w83793.c | 3 ++- drivers/hwmon/w83l785ts.c | 2 +- drivers/hwmon/w83l786ng.c | 2 +- 41 files changed, 55 insertions(+), 60 deletions(-) (limited to 'drivers') diff --git a/drivers/hwmon/ad7418.c b/drivers/hwmon/ad7418.c index fcd7fe78f3f..466b9ee9279 100644 --- a/drivers/hwmon/ad7418.c +++ b/drivers/hwmon/ad7418.c @@ -26,7 +26,7 @@ #define DRV_VERSION "0.3" /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x28, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x28, I2C_CLIENT_END }; /* Insmod parameters */ I2C_CLIENT_INSMOD_3(ad7416, ad7417, ad7418); diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c index b96be772e49..ecbf69484bf 100644 --- a/drivers/hwmon/adm1021.c +++ b/drivers/hwmon/adm1021.c @@ -31,10 +31,8 @@ /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x18, 0x19, 0x1a, - 0x29, 0x2a, 0x2b, - 0x4c, 0x4d, 0x4e, - I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { + 0x18, 0x19, 0x1a, 0x29, 0x2a, 0x2b, 0x4c, 0x4d, 0x4e, I2C_CLIENT_END }; /* Insmod parameters */ I2C_CLIENT_INSMOD_8(adm1021, adm1023, max1617, max1617a, thmc10, lm84, gl523sm, diff --git a/drivers/hwmon/adm1025.c b/drivers/hwmon/adm1025.c index e96c3725203..1d76de7d75c 100644 --- a/drivers/hwmon/adm1025.c +++ b/drivers/hwmon/adm1025.c @@ -62,7 +62,7 @@ * NE1619 has two possible addresses: 0x2c and 0x2d. */ -static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; /* * Insmod parameters diff --git a/drivers/hwmon/adm1026.c b/drivers/hwmon/adm1026.c index b3e6b06caf6..904c6ce9d83 100644 --- a/drivers/hwmon/adm1026.c +++ b/drivers/hwmon/adm1026.c @@ -35,7 +35,7 @@ #include /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; /* Insmod parameters */ I2C_CLIENT_INSMOD_1(adm1026); diff --git a/drivers/hwmon/adm1029.c b/drivers/hwmon/adm1029.c index 0bc897dffa2..2c6608d453c 100644 --- a/drivers/hwmon/adm1029.c +++ b/drivers/hwmon/adm1029.c @@ -39,10 +39,8 @@ * Addresses to scan */ -static unsigned short normal_i2c[] = { - 0x28, 0x29, 0x2a, - 0x2b, 0x2c, 0x2d, - 0x2e, 0x2f, I2C_CLIENT_END +static const unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, + 0x2e, 0x2f, I2C_CLIENT_END }; /* diff --git a/drivers/hwmon/adm1031.c b/drivers/hwmon/adm1031.c index 5aaad3636c9..2bffcab7dc9 100644 --- a/drivers/hwmon/adm1031.c +++ b/drivers/hwmon/adm1031.c @@ -61,7 +61,7 @@ #define ADM1031_CONF2_TEMP_ENABLE(chan) (0x10 << (chan)) /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; /* Insmod parameters */ I2C_CLIENT_INSMOD_2(adm1030, adm1031); diff --git a/drivers/hwmon/adm9240.c b/drivers/hwmon/adm9240.c index 7671d2bf780..149ef25252e 100644 --- a/drivers/hwmon/adm9240.c +++ b/drivers/hwmon/adm9240.c @@ -52,7 +52,7 @@ #include /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, +static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; /* Insmod parameters */ diff --git a/drivers/hwmon/ads7828.c b/drivers/hwmon/ads7828.c index 6b8a73ef404..ed71a8bc70d 100644 --- a/drivers/hwmon/ads7828.c +++ b/drivers/hwmon/ads7828.c @@ -44,7 +44,7 @@ #define ADS7828_INT_VREF_MV 2500 /* Internal vref is 2.5V, 2500mV */ /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, +static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, I2C_CLIENT_END }; /* Insmod parameters */ diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c index 747693ab2ff..6b5325f33a2 100644 --- a/drivers/hwmon/adt7470.c +++ b/drivers/hwmon/adt7470.c @@ -30,7 +30,7 @@ #include /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x2C, 0x2E, 0x2F, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x2C, 0x2E, 0x2F, I2C_CLIENT_END }; /* Insmod parameters */ I2C_CLIENT_INSMOD_1(adt7470); diff --git a/drivers/hwmon/adt7473.c b/drivers/hwmon/adt7473.c index a3daeefff47..9587869bdba 100644 --- a/drivers/hwmon/adt7473.c +++ b/drivers/hwmon/adt7473.c @@ -30,7 +30,7 @@ #include /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x2C, 0x2D, 0x2E, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x2C, 0x2D, 0x2E, I2C_CLIENT_END }; /* Insmod parameters */ I2C_CLIENT_INSMOD_1(adt7473); diff --git a/drivers/hwmon/asb100.c b/drivers/hwmon/asb100.c index 950cea8d1d6..84712a22ace 100644 --- a/drivers/hwmon/asb100.c +++ b/drivers/hwmon/asb100.c @@ -49,7 +49,7 @@ #include "lm75.h" /* I2C addresses to scan */ -static unsigned short normal_i2c[] = { 0x2d, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x2d, I2C_CLIENT_END }; /* Insmod parameters */ I2C_CLIENT_INSMOD_1(asb100); diff --git a/drivers/hwmon/atxp1.c b/drivers/hwmon/atxp1.c index cce3350e539..01c17e387f0 100644 --- a/drivers/hwmon/atxp1.c +++ b/drivers/hwmon/atxp1.c @@ -42,7 +42,7 @@ MODULE_AUTHOR("Sebastian Witt "); #define ATXP1_VIDMASK 0x1f #define ATXP1_GPIO1MASK 0x0f -static unsigned short normal_i2c[] = { 0x37, 0x4e, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x37, 0x4e, I2C_CLIENT_END }; I2C_CLIENT_INSMOD_1(atxp1); diff --git a/drivers/hwmon/dme1737.c b/drivers/hwmon/dme1737.c index ddddd9f34c1..7673f65877e 100644 --- a/drivers/hwmon/dme1737.c +++ b/drivers/hwmon/dme1737.c @@ -49,7 +49,7 @@ module_param(force_id, ushort, 0); MODULE_PARM_DESC(force_id, "Override the detected device ID"); /* Addresses to scan */ -static unsigned short normal_i2c[] = {0x2c, 0x2d, 0x2e, I2C_CLIENT_END}; +static const unsigned short normal_i2c[] = {0x2c, 0x2d, 0x2e, I2C_CLIENT_END}; /* Insmod parameters */ I2C_CLIENT_INSMOD_1(dme1737); diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c index 3f5163de13c..5f300ffed65 100644 --- a/drivers/hwmon/ds1621.c +++ b/drivers/hwmon/ds1621.c @@ -34,7 +34,7 @@ #include "lm75.h" /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, 0x4c, +static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, I2C_CLIENT_END }; /* Insmod parameters */ diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c index 6892f76fc18..1464338e4e1 100644 --- a/drivers/hwmon/f75375s.c +++ b/drivers/hwmon/f75375s.c @@ -37,7 +37,7 @@ #include /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x2d, 0x2e, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x2d, 0x2e, I2C_CLIENT_END }; /* Insmod parameters */ I2C_CLIENT_INSMOD_2(f75373, f75375); diff --git a/drivers/hwmon/fscher.c b/drivers/hwmon/fscher.c index 721c70177b1..ed26b66e083 100644 --- a/drivers/hwmon/fscher.c +++ b/drivers/hwmon/fscher.c @@ -40,7 +40,7 @@ * Addresses to scan */ -static unsigned short normal_i2c[] = { 0x73, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x73, I2C_CLIENT_END }; /* * Insmod parameters diff --git a/drivers/hwmon/fschmd.c b/drivers/hwmon/fschmd.c index b7c9eef0f92..bd89d270a5e 100644 --- a/drivers/hwmon/fschmd.c +++ b/drivers/hwmon/fschmd.c @@ -44,7 +44,7 @@ #include /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x73, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x73, I2C_CLIENT_END }; /* Insmod parameters */ I2C_CLIENT_INSMOD_5(fscpos, fscher, fscscy, fschrc, fschmd); diff --git a/drivers/hwmon/fscpos.c b/drivers/hwmon/fscpos.c index 2f1075323a1..00f48484e54 100644 --- a/drivers/hwmon/fscpos.c +++ b/drivers/hwmon/fscpos.c @@ -43,7 +43,7 @@ /* * Addresses to scan */ -static unsigned short normal_i2c[] = { 0x73, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x73, I2C_CLIENT_END }; /* * Insmod parameters diff --git a/drivers/hwmon/gl518sm.c b/drivers/hwmon/gl518sm.c index 3b1ac48fce2..33e9e8a8d1c 100644 --- a/drivers/hwmon/gl518sm.c +++ b/drivers/hwmon/gl518sm.c @@ -44,7 +44,7 @@ #include /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END }; /* Insmod parameters */ I2C_CLIENT_INSMOD_2(gl518sm_r00, gl518sm_r80); diff --git a/drivers/hwmon/gl520sm.c b/drivers/hwmon/gl520sm.c index 03ecdc33476..8984ef14162 100644 --- a/drivers/hwmon/gl520sm.c +++ b/drivers/hwmon/gl520sm.c @@ -39,7 +39,7 @@ module_param(extra_sensor_type, ushort, 0); MODULE_PARM_DESC(extra_sensor_type, "Type of extra sensor (0=autodetect, 1=temperature, 2=voltage)"); /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END }; /* Insmod parameters */ I2C_CLIENT_INSMOD_1(gl520sm); diff --git a/drivers/hwmon/lm63.c b/drivers/hwmon/lm63.c index 650b07d5b90..11628700808 100644 --- a/drivers/hwmon/lm63.c +++ b/drivers/hwmon/lm63.c @@ -53,7 +53,7 @@ * Address is fully defined internally and cannot be changed. */ -static unsigned short normal_i2c[] = { 0x4c, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x4c, I2C_CLIENT_END }; /* * Insmod parameters diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c index e5c35a355a5..115f4090b98 100644 --- a/drivers/hwmon/lm75.c +++ b/drivers/hwmon/lm75.c @@ -31,7 +31,7 @@ /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, 0x4c, +static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, I2C_CLIENT_END }; /* Insmod parameters */ diff --git a/drivers/hwmon/lm77.c b/drivers/hwmon/lm77.c index 459b70ad6be..36d5a8c3ad8 100644 --- a/drivers/hwmon/lm77.c +++ b/drivers/hwmon/lm77.c @@ -36,7 +36,8 @@ #include /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, + I2C_CLIENT_END }; /* Insmod parameters */ I2C_CLIENT_INSMOD_1(lm77); diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c index 0a9eb1f6f4e..ed7859f0e16 100644 --- a/drivers/hwmon/lm78.c +++ b/drivers/hwmon/lm78.c @@ -37,8 +37,8 @@ static struct platform_device *pdev; /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, - 0x2e, 0x2f, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, + 0x2e, 0x2f, I2C_CLIENT_END }; static unsigned short isa_address = 0x290; /* Insmod parameters */ diff --git a/drivers/hwmon/lm80.c b/drivers/hwmon/lm80.c index a2ca055f392..26c91c9d476 100644 --- a/drivers/hwmon/lm80.c +++ b/drivers/hwmon/lm80.c @@ -32,8 +32,8 @@ #include /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, - 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, + 0x2e, 0x2f, I2C_CLIENT_END }; /* Insmod parameters */ I2C_CLIENT_INSMOD_1(lm80); diff --git a/drivers/hwmon/lm83.c b/drivers/hwmon/lm83.c index 6e8903a6e90..6a8642fa25f 100644 --- a/drivers/hwmon/lm83.c +++ b/drivers/hwmon/lm83.c @@ -48,10 +48,8 @@ * addresses. */ -static unsigned short normal_i2c[] = { 0x18, 0x19, 0x1a, - 0x29, 0x2a, 0x2b, - 0x4c, 0x4d, 0x4e, - I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { + 0x18, 0x19, 0x1a, 0x29, 0x2a, 0x2b, 0x4c, 0x4d, 0x4e, I2C_CLIENT_END }; /* * Insmod parameters diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c index 4bb0f291a6b..182fe6a5605 100644 --- a/drivers/hwmon/lm85.c +++ b/drivers/hwmon/lm85.c @@ -35,7 +35,7 @@ #include /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; /* Insmod parameters */ I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102); diff --git a/drivers/hwmon/lm87.c b/drivers/hwmon/lm87.c index 8ee07c5c97a..e1c183f0aae 100644 --- a/drivers/hwmon/lm87.c +++ b/drivers/hwmon/lm87.c @@ -73,7 +73,7 @@ * LM87 has three possible addresses: 0x2c, 0x2d and 0x2e. */ -static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; /* * Insmod parameters diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c index f7ec95bedbf..d1a3da3dd8e 100644 --- a/drivers/hwmon/lm90.c +++ b/drivers/hwmon/lm90.c @@ -101,10 +101,8 @@ * 0x4c, 0x4d or 0x4e. */ -static unsigned short normal_i2c[] = { 0x18, 0x19, 0x1a, - 0x29, 0x2a, 0x2b, - 0x4c, 0x4d, 0x4e, - I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { + 0x18, 0x19, 0x1a, 0x29, 0x2a, 0x2b, 0x4c, 0x4d, 0x4e, I2C_CLIENT_END }; /* * Insmod parameters diff --git a/drivers/hwmon/lm92.c b/drivers/hwmon/lm92.c index a2b804115ce..c31942e0824 100644 --- a/drivers/hwmon/lm92.c +++ b/drivers/hwmon/lm92.c @@ -51,8 +51,8 @@ /* The LM92 and MAX6635 have 2 two-state pins for address selection, resulting in 4 possible addresses. */ -static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, - I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, + I2C_CLIENT_END }; /* Insmod parameters */ I2C_CLIENT_INSMOD_1(lm92); diff --git a/drivers/hwmon/lm93.c b/drivers/hwmon/lm93.c index ea61946a4bf..5e678f5c883 100644 --- a/drivers/hwmon/lm93.c +++ b/drivers/hwmon/lm93.c @@ -142,7 +142,7 @@ I2C_FUNC_SMBUS_WORD_DATA) /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; /* Insmod parameters */ I2C_CLIENT_INSMOD_1(lm93); diff --git a/drivers/hwmon/max1619.c b/drivers/hwmon/max1619.c index 34280341797..7e7267a0454 100644 --- a/drivers/hwmon/max1619.c +++ b/drivers/hwmon/max1619.c @@ -37,10 +37,8 @@ #include #include -static unsigned short normal_i2c[] = { 0x18, 0x19, 0x1a, - 0x29, 0x2a, 0x2b, - 0x4c, 0x4d, 0x4e, - I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { + 0x18, 0x19, 0x1a, 0x29, 0x2a, 0x2b, 0x4c, 0x4d, 0x4e, I2C_CLIENT_END }; /* * Insmod parameters diff --git a/drivers/hwmon/max6650.c b/drivers/hwmon/max6650.c index 755570c1f4e..52d528b76cc 100644 --- a/drivers/hwmon/max6650.c +++ b/drivers/hwmon/max6650.c @@ -44,7 +44,8 @@ * Addresses to scan. There are four disjoint possibilities, by pin config. */ -static unsigned short normal_i2c[] = {0x1b, 0x1f, 0x48, 0x4b, I2C_CLIENT_END}; +static const unsigned short normal_i2c[] = {0x1b, 0x1f, 0x48, 0x4b, + I2C_CLIENT_END}; /* * Insmod parameters diff --git a/drivers/hwmon/smsc47m192.c b/drivers/hwmon/smsc47m192.c index 8b0c188e60f..3c9db6598ba 100644 --- a/drivers/hwmon/smsc47m192.c +++ b/drivers/hwmon/smsc47m192.c @@ -34,7 +34,7 @@ #include /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END }; /* Insmod parameters */ I2C_CLIENT_INSMOD_1(smsc47m192); diff --git a/drivers/hwmon/thmc50.c b/drivers/hwmon/thmc50.c index a42a03c2436..76a3859c3fb 100644 --- a/drivers/hwmon/thmc50.c +++ b/drivers/hwmon/thmc50.c @@ -32,7 +32,7 @@ MODULE_LICENSE("GPL"); /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; /* Insmod parameters */ I2C_CLIENT_INSMOD_2(thmc50, adm1022); diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c index 7421f6ea53e..5c85670e2d1 100644 --- a/drivers/hwmon/w83781d.c +++ b/drivers/hwmon/w83781d.c @@ -53,8 +53,8 @@ static struct platform_device *pdev; /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, - 0x2e, 0x2f, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, + 0x2e, 0x2f, I2C_CLIENT_END }; static unsigned short isa_address = 0x290; /* Insmod parameters */ diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c index 85bd21ee329..85077c4c803 100644 --- a/drivers/hwmon/w83791d.c +++ b/drivers/hwmon/w83791d.c @@ -47,7 +47,8 @@ #define NUMBER_OF_TEMPIN 3 /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, + I2C_CLIENT_END }; /* Insmod parameters */ I2C_CLIENT_INSMOD_1(w83791d); diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c index 007449d3e16..299629d47ed 100644 --- a/drivers/hwmon/w83792d.c +++ b/drivers/hwmon/w83792d.c @@ -46,7 +46,8 @@ #include /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, + I2C_CLIENT_END }; /* Insmod parameters */ I2C_CLIENT_INSMOD_1(w83792d); diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c index 3ba1d6b3347..ee35af93b57 100644 --- a/drivers/hwmon/w83793.c +++ b/drivers/hwmon/w83793.c @@ -37,7 +37,8 @@ #include /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, + I2C_CLIENT_END }; /* Insmod parameters */ I2C_CLIENT_INSMOD_1(w83793); diff --git a/drivers/hwmon/w83l785ts.c b/drivers/hwmon/w83l785ts.c index 1d6259d29e7..77f2d482888 100644 --- a/drivers/hwmon/w83l785ts.c +++ b/drivers/hwmon/w83l785ts.c @@ -49,7 +49,7 @@ * Address is fully defined internally and cannot be changed. */ -static unsigned short normal_i2c[] = { 0x2e, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x2e, I2C_CLIENT_END }; /* * Insmod parameters diff --git a/drivers/hwmon/w83l786ng.c b/drivers/hwmon/w83l786ng.c index 1dbee4fa23a..41e22ddb568 100644 --- a/drivers/hwmon/w83l786ng.c +++ b/drivers/hwmon/w83l786ng.c @@ -35,7 +35,7 @@ #include /* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x2e, 0x2f, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x2e, 0x2f, I2C_CLIENT_END }; /* Insmod parameters */ I2C_CLIENT_INSMOD_1(w83l786ng); -- cgit v1.2.3 From b7d0640f9229a9426ba9223796329c4f0cc4acb9 Mon Sep 17 00:00:00 2001 From: Stuart Bennett Date: Tue, 8 Jan 2008 13:13:28 +0000 Subject: agp/sis: Clear bit 2 from aperture size byte as well SiS M650 has aperture size byte 0x44 Signed-off-by: Dave Airlie --- drivers/char/agp/sis-agp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/char/agp/sis-agp.c b/drivers/char/agp/sis-agp.c index eb1a1c73819..aaa1883f076 100644 --- a/drivers/char/agp/sis-agp.c +++ b/drivers/char/agp/sis-agp.c @@ -27,8 +27,8 @@ static int sis_fetch_size(void) values = A_SIZE_8(agp_bridge->driver->aperture_sizes); for (i = 0; i < agp_bridge->driver->num_aperture_sizes; i++) { if ((temp_size == values[i].size_value) || - ((temp_size & ~(0x03)) == - (values[i].size_value & ~(0x03)))) { + ((temp_size & ~(0x07)) == + (values[i].size_value & ~(0x07)))) { agp_bridge->previous_size = agp_bridge->current_size = (void *) (values + i); -- cgit v1.2.3 From 16469a0ea0f6b7562eac98ebb8a7c41ce902d0b1 Mon Sep 17 00:00:00 2001 From: Stuart Bennett Date: Tue, 8 Jan 2008 13:14:07 +0000 Subject: agp/sis: Suspend support for SiS AGP Tested on M650 chipset Signed-off-by: Dave Airlie --- drivers/char/agp/sis-agp.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'drivers') diff --git a/drivers/char/agp/sis-agp.c b/drivers/char/agp/sis-agp.c index aaa1883f076..6cf54fe6020 100644 --- a/drivers/char/agp/sis-agp.c +++ b/drivers/char/agp/sis-agp.c @@ -214,6 +214,26 @@ static void __devexit agp_sis_remove(struct pci_dev *pdev) agp_put_bridge(bridge); } +#ifdef CONFIG_PM + +static int agp_sis_suspend(struct pci_dev *pdev, pm_message_t state) +{ + pci_save_state(pdev); + pci_set_power_state(pdev, pci_choose_state(pdev, state)); + + return 0; +} + +static int agp_sis_resume(struct pci_dev *pdev) +{ + pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); + + return sis_driver.configure(); +} + +#endif /* CONFIG_PM */ + static struct pci_device_id agp_sis_pci_table[] = { { .class = (PCI_CLASS_BRIDGE_HOST << 8), @@ -393,6 +413,10 @@ static struct pci_driver agp_sis_pci_driver = { .id_table = agp_sis_pci_table, .probe = agp_sis_probe, .remove = agp_sis_remove, +#ifdef CONFIG_PM + .suspend = agp_sis_suspend, + .resume = agp_sis_resume, +#endif }; static int __init agp_sis_init(void) -- cgit v1.2.3 From fcea424d31868a78366ad5ee0cb3cc2a4cbe689b Mon Sep 17 00:00:00 2001 From: Arjan van dev Ven Date: Wed, 6 Feb 2008 05:16:00 +0100 Subject: fix historic ioremap() abuse in AGP Several AGP drivers right now use ioremap_nocache() on kernel ram in order to turn a page of regular memory uncached. There are two problems with this: 1) This is a total nightmare for the ioremap() implementation to keep various mappings of the same page coherent. 2) It's a total nightmare for the AGP code since it adds a ton of complexity in terms of keeping track of 2 different pointers to the same thing, in terms of error handling etc etc. This patch fixes this by making the AGP drivers use the new set_memory_XX APIs instead. Note: amd-k7-agp.c is built on Alpha too, and generic.c is built on ia64 as well, which do not yet have the set_memory_*() APIs, so for them some we have a few ugly #ifdefs - hopefully they'll be fixed soon. Signed-off-by: Arjan van de Ven Signed-off-by: Ingo Molnar Signed-off-by: Dave Airlie --- arch/x86/mm/ioremap.c | 2 ++ drivers/char/agp/amd-k7-agp.c | 9 +++++++++ drivers/char/agp/ati-agp.c | 16 +++------------- drivers/char/agp/generic.c | 9 +++++++++ drivers/char/agp/sworks-agp.c | 18 +++++------------- 5 files changed, 28 insertions(+), 26 deletions(-) (limited to 'drivers') diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index 9f42d7e9c15..69f4981db80 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -126,6 +126,8 @@ static void __iomem *__ioremap(unsigned long phys_addr, unsigned long size, return NULL; } + WARN_ON_ONCE(page_is_ram(pfn)); + switch (mode) { case IOR_MODE_UNCACHED: default: diff --git a/drivers/char/agp/amd-k7-agp.c b/drivers/char/agp/amd-k7-agp.c index 87be46406da..fca4d7f3044 100644 --- a/drivers/char/agp/amd-k7-agp.c +++ b/drivers/char/agp/amd-k7-agp.c @@ -41,6 +41,7 @@ static int amd_create_page_map(struct amd_page_map *page_map) if (page_map->real == NULL) return -ENOMEM; +#ifndef CONFIG_X86 SetPageReserved(virt_to_page(page_map->real)); global_cache_flush(); page_map->remapped = ioremap_nocache(virt_to_gart(page_map->real), @@ -52,6 +53,10 @@ static int amd_create_page_map(struct amd_page_map *page_map) return -ENOMEM; } global_cache_flush(); +#else + set_memory_uc(page_map->real, 1); + page_map->remapped = page_map->real; +#endif for (i = 0; i < PAGE_SIZE / sizeof(unsigned long); i++) { writel(agp_bridge->scratch_page, page_map->remapped+i); @@ -63,8 +68,12 @@ static int amd_create_page_map(struct amd_page_map *page_map) static void amd_free_page_map(struct amd_page_map *page_map) { +#ifndef CONFIG_X86 iounmap(page_map->remapped); ClearPageReserved(virt_to_page(page_map->real)); +#else + set_memory_wb(page_map->real, 1); +#endif free_page((unsigned long) page_map->real); } diff --git a/drivers/char/agp/ati-agp.c b/drivers/char/agp/ati-agp.c index 2d46b713c8f..9ac3bef3bb7 100644 --- a/drivers/char/agp/ati-agp.c +++ b/drivers/char/agp/ati-agp.c @@ -60,18 +60,9 @@ static int ati_create_page_map(struct ati_page_map *page_map) if (page_map->real == NULL) return -ENOMEM; - SetPageReserved(virt_to_page(page_map->real)); + set_memory_uc(page_map->real, 1); err = map_page_into_agp(virt_to_page(page_map->real)); - page_map->remapped = ioremap_nocache(virt_to_gart(page_map->real), - PAGE_SIZE); - if (page_map->remapped == NULL || err) { - ClearPageReserved(virt_to_page(page_map->real)); - free_page((unsigned long) page_map->real); - page_map->real = NULL; - return -ENOMEM; - } - /*CACHE_FLUSH();*/ - global_cache_flush(); + page_map->remapped = page_map->real; for (i = 0; i < PAGE_SIZE / sizeof(unsigned long); i++) { writel(agp_bridge->scratch_page, page_map->remapped+i); @@ -85,8 +76,7 @@ static int ati_create_page_map(struct ati_page_map *page_map) static void ati_free_page_map(struct ati_page_map *page_map) { unmap_page_from_agp(virt_to_page(page_map->real)); - iounmap(page_map->remapped); - ClearPageReserved(virt_to_page(page_map->real)); + set_memory_wb(page_map->real, 1); free_page((unsigned long) page_map->real); } diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c index 7484bc759c4..7fc0c99a3a5 100644 --- a/drivers/char/agp/generic.c +++ b/drivers/char/agp/generic.c @@ -932,9 +932,14 @@ int agp_generic_create_gatt_table(struct agp_bridge_data *bridge) agp_gatt_table = (void *)table; bridge->driver->cache_flush(); +#ifdef CONFIG_X86 + set_memory_uc((unsigned long)table, 1 << page_order); + bridge->gatt_table = (void *)table; +#else bridge->gatt_table = ioremap_nocache(virt_to_gart(table), (PAGE_SIZE * (1 << page_order))); bridge->driver->cache_flush(); +#endif if (bridge->gatt_table == NULL) { for (page = virt_to_page(table); page <= virt_to_page(table_end); page++) @@ -991,7 +996,11 @@ int agp_generic_free_gatt_table(struct agp_bridge_data *bridge) * called, then all agp memory is deallocated and removed * from the table. */ +#ifdef CONFIG_X86 + set_memory_wb((unsigned long)bridge->gatt_table, 1 << page_order); +#else iounmap(bridge->gatt_table); +#endif table = (char *) bridge->gatt_table_real; table_end = table + ((PAGE_SIZE * (1 << page_order)) - 1); diff --git a/drivers/char/agp/sworks-agp.c b/drivers/char/agp/sworks-agp.c index 551ef25063e..ae06f898206 100644 --- a/drivers/char/agp/sworks-agp.c +++ b/drivers/char/agp/sworks-agp.c @@ -52,28 +52,20 @@ static int serverworks_create_page_map(struct serverworks_page_map *page_map) if (page_map->real == NULL) { return -ENOMEM; } - SetPageReserved(virt_to_page(page_map->real)); - global_cache_flush(); - page_map->remapped = ioremap_nocache(virt_to_gart(page_map->real), - PAGE_SIZE); - if (page_map->remapped == NULL) { - ClearPageReserved(virt_to_page(page_map->real)); - free_page((unsigned long) page_map->real); - page_map->real = NULL; - return -ENOMEM; - } - global_cache_flush(); + + set_memory_uc(page_map->real, 1); + page_map->remapped = page_map->real; for (i = 0; i < PAGE_SIZE / sizeof(unsigned long); i++) writel(agp_bridge->scratch_page, page_map->remapped+i); + /* Red Pen: Everyone else does pci posting flush here */ return 0; } static void serverworks_free_page_map(struct serverworks_page_map *page_map) { - iounmap(page_map->remapped); - ClearPageReserved(virt_to_page(page_map->real)); + set_memory_wb(page_map->real, 1); free_page((unsigned long) page_map->real); } -- cgit v1.2.3 From 3b5bcedeeb755b6e813537fcf4c32f010b490aef Mon Sep 17 00:00:00 2001 From: Matheos Worku Date: Mon, 18 Feb 2008 21:30:03 -0800 Subject: [NIU]: Fix BMAC alternate MAC address indexing. BMAC port alternate MAC address index needs to start at 1. Index 0 is used for the main MAC address. Signed-off-by: Matheos Worku Signed-off-by: David S. Miller --- drivers/net/niu.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/niu.c b/drivers/net/niu.c index 2fe14b0c5c6..1f1b815e081 100644 --- a/drivers/net/niu.c +++ b/drivers/net/niu.c @@ -5147,7 +5147,12 @@ static void niu_set_rx_mode(struct net_device *dev) index++; } } else { - for (i = 0; i < niu_num_alt_addr(np); i++) { + int alt_start; + if (np->flags & NIU_FLAGS_XMAC) + alt_start = 0; + else + alt_start = 1; + for (i = alt_start; i < niu_num_alt_addr(np); i++) { err = niu_enable_alt_mac(np, i, 0); if (err) printk(KERN_WARNING PFX "%s: Error %d " -- cgit v1.2.3 From a442585952f137bd4cdb1f2f3166e4157d383b82 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Mon, 18 Feb 2008 21:30:48 -0800 Subject: [NIU]: Bump driver version and release date. Signed-off-by: David S. Miller --- drivers/net/niu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/niu.c b/drivers/net/niu.c index 1f1b815e081..e98ce1e4965 100644 --- a/drivers/net/niu.c +++ b/drivers/net/niu.c @@ -33,8 +33,8 @@ #define DRV_MODULE_NAME "niu" #define PFX DRV_MODULE_NAME ": " -#define DRV_MODULE_VERSION "0.6" -#define DRV_MODULE_RELDATE "January 5, 2008" +#define DRV_MODULE_VERSION "0.7" +#define DRV_MODULE_RELDATE "February 18, 2008" static char version[] __devinitdata = DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; -- cgit v1.2.3 From 56c819df77f96c3fc0c2a979e12b478403728790 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 19 Feb 2008 11:35:37 +0100 Subject: libata: update ATAPI overflow draining For misc ATAPI commands which transfer variable length data to the host, overflow can occur due to application or hardware bug. Such overflows can be ignored safely as long as overflow data is properly drained. libata HSM implementation has this implemented in __atapi_pio_bytes() and recently updated for 2.6.24-rc but it requires further improvements. Improve drain logic such that... * Report overflow errors using ehi desc mechanism instead of printing directly. * Properly calculate the number of bytes to be drained considering actual number of consumed bytes for partial draining. Signed-off-by: Tejun Heo Acked-by: Albert Lee Signed-off-by: Jens Axboe --- drivers/ata/libata-core.c | 76 ++++++++++++++++++++--------------------------- 1 file changed, 33 insertions(+), 43 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index f46eb6f6dc9..a109ccbda9c 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4675,24 +4675,9 @@ int ata_check_atapi_dma(struct ata_queued_cmd *qc) */ static int atapi_qc_may_overflow(struct ata_queued_cmd *qc) { - if (qc->tf.protocol != ATAPI_PROT_PIO && - qc->tf.protocol != ATAPI_PROT_DMA) - return 0; - - if (qc->tf.flags & ATA_TFLAG_WRITE) - return 0; - - switch (qc->cdb[0]) { - case READ_10: - case READ_12: - case WRITE_10: - case WRITE_12: - case GPCMD_READ_CD: - case GPCMD_READ_CD_MSF: - return 0; - } - - return 1; + return ata_is_atapi(qc->tf.protocol) && ata_is_data(qc->tf.protocol) && + atapi_cmd_type(qc->cdb[0]) == ATAPI_MISC && + !(qc->tf.flags & ATA_TFLAG_WRITE); } /** @@ -5146,13 +5131,14 @@ static void atapi_send_cdb(struct ata_port *ap, struct ata_queued_cmd *qc) */ static int __atapi_pio_bytes(struct ata_queued_cmd *qc, unsigned int bytes) { - int do_write = (qc->tf.flags & ATA_TFLAG_WRITE); + int rw = (qc->tf.flags & ATA_TFLAG_WRITE) ? WRITE : READ; struct ata_port *ap = qc->ap; - struct ata_eh_info *ehi = &qc->dev->link->eh_info; + struct ata_device *dev = qc->dev; + struct ata_eh_info *ehi = &dev->link->eh_info; struct scatterlist *sg; struct page *page; unsigned char *buf; - unsigned int offset, count; + unsigned int offset, count, consumed; next_sg: sg = qc->cursg; @@ -5165,26 +5151,27 @@ next_sg: * - for write case, padding zero data to the device */ u16 pad_buf[1] = { 0 }; - unsigned int i; - if (bytes > qc->curbytes - qc->nbytes + ATAPI_MAX_DRAIN) { + if (qc->curbytes + bytes > qc->nbytes + ATAPI_MAX_DRAIN) { ata_ehi_push_desc(ehi, "too much trailing data " "buf=%u cur=%u bytes=%u", qc->nbytes, qc->curbytes, bytes); return -1; } - /* overflow is exptected for misc ATAPI commands */ - if (bytes && !atapi_qc_may_overflow(qc)) - ata_dev_printk(qc->dev, KERN_WARNING, "ATAPI %u bytes " - "trailing data (cdb=%02x nbytes=%u)\n", - bytes, qc->cdb[0], qc->nbytes); + /* allow overflow only for misc ATAPI commands */ + if (!atapi_qc_may_overflow(qc)) { + ata_ehi_push_desc(ehi, "unexpected trailing data " + "%u bytes", bytes); + return -1; + } - for (i = 0; i < (bytes + 1) / 2; i++) - ap->ops->data_xfer(qc->dev, (unsigned char *)pad_buf, 2, do_write); + consumed = 0; + while (consumed < bytes) + consumed += ap->ops->data_xfer(dev, + (unsigned char *)pad_buf, 2, rw); qc->curbytes += bytes; - return 0; } @@ -5211,18 +5198,16 @@ next_sg: buf = kmap_atomic(page, KM_IRQ0); /* do the actual data transfer */ - ap->ops->data_xfer(qc->dev, buf + offset, count, do_write); + consumed = ap->ops->data_xfer(dev, buf + offset, count, rw); kunmap_atomic(buf, KM_IRQ0); local_irq_restore(flags); } else { buf = page_address(page); - ap->ops->data_xfer(qc->dev, buf + offset, count, do_write); + consumed = ap->ops->data_xfer(dev, buf + offset, count, rw); } - bytes -= count; - if ((count & 1) && bytes) - bytes--; + bytes -= min(bytes, consumed); qc->curbytes += count; qc->cursg_ofs += count; @@ -5231,9 +5216,11 @@ next_sg: qc->cursg_ofs = 0; } + /* consumed can be larger than count only for the last transfer */ + WARN_ON(qc->cursg && count != consumed); + if (bytes) goto next_sg; - return 0; } @@ -5251,6 +5238,7 @@ static void atapi_pio_bytes(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; struct ata_device *dev = qc->dev; + struct ata_eh_info *ehi = &dev->link->eh_info; unsigned int ireason, bc_lo, bc_hi, bytes; int i_write, do_write = (qc->tf.flags & ATA_TFLAG_WRITE) ? 1 : 0; @@ -5268,26 +5256,28 @@ static void atapi_pio_bytes(struct ata_queued_cmd *qc) /* shall be cleared to zero, indicating xfer of data */ if (unlikely(ireason & (1 << 0))) - goto err_out; + goto atapi_check; /* make sure transfer direction matches expected */ i_write = ((ireason & (1 << 1)) == 0) ? 1 : 0; if (unlikely(do_write != i_write)) - goto err_out; + goto atapi_check; if (unlikely(!bytes)) - goto err_out; + goto atapi_check; VPRINTK("ata%u: xfering %d bytes\n", ap->print_id, bytes); - if (__atapi_pio_bytes(qc, bytes)) + if (unlikely(__atapi_pio_bytes(qc, bytes))) goto err_out; ata_altstatus(ap); /* flush */ return; -err_out: - ata_dev_printk(dev, KERN_INFO, "ATAPI check failed\n"); + atapi_check: + ata_ehi_push_desc(ehi, "ATAPI check failed (ireason=0x%x bytes=%u)", + ireason, bytes); + err_out: qc->err_mask |= AC_ERR_HSM; ap->hsm_task_state = HSM_ST_ERR; } -- cgit v1.2.3 From 6b00769fe1502b4ad97bb327ef7ac971b208bfb5 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 19 Feb 2008 11:36:35 +0100 Subject: block: add request->raw_data_len With padding and draining moved into it, block layer now may extend requests as directed by queue parameters, so now a request has two sizes - the original request size and the extended size which matches the size of area pointed to by bios and later by sgs. The latter size is what lower layers are primarily interested in when allocating, filling up DMA tables and setting up the controller. Both padding and draining extend the data area to accomodate controller characteristics. As any controller which speaks SCSI can handle underflows, feeding larger data area is safe. So, this patch makes the primary data length field, request->data_len, indicate the size of full data area and add a separate length field, request->raw_data_len, for the unmodified request size. The latter is used to report to higher layer (userland) and where the original request size should be fed to the controller or device. Signed-off-by: Tejun Heo Cc: James Bottomley Signed-off-by: Jens Axboe --- block/blk-core.c | 2 ++ block/blk-map.c | 2 ++ block/blk-merge.c | 1 + block/bsg.c | 8 ++++---- block/scsi_ioctl.c | 3 ++- drivers/scsi/scsi_lib.c | 8 ++++---- include/linux/blkdev.h | 1 + 7 files changed, 16 insertions(+), 9 deletions(-) (limited to 'drivers') diff --git a/block/blk-core.c b/block/blk-core.c index c013ca22eb6..775c8516abf 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -127,6 +127,7 @@ void rq_init(struct request_queue *q, struct request *rq) rq->nr_hw_segments = 0; rq->ioprio = 0; rq->special = NULL; + rq->raw_data_len = 0; rq->buffer = NULL; rq->tag = -1; rq->errors = 0; @@ -2015,6 +2016,7 @@ void blk_rq_bio_prep(struct request_queue *q, struct request *rq, rq->hard_cur_sectors = rq->current_nr_sectors; rq->hard_nr_sectors = rq->nr_sectors = bio_sectors(bio); rq->buffer = bio_data(bio); + rq->raw_data_len = bio->bi_size; rq->data_len = bio->bi_size; rq->bio = rq->biotail = bio; diff --git a/block/blk-map.c b/block/blk-map.c index a7cf63ccb5c..09f7fd0bcb7 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -19,6 +19,7 @@ int blk_rq_append_bio(struct request_queue *q, struct request *rq, rq->biotail->bi_next = bio; rq->biotail = bio; + rq->raw_data_len += bio->bi_size; rq->data_len += bio->bi_size; } return 0; @@ -154,6 +155,7 @@ int blk_rq_map_user(struct request_queue *q, struct request *rq, bio->bi_io_vec[bio->bi_vcnt - 1].bv_len += pad_len; bio->bi_size += pad_len; + rq->data_len += pad_len; } rq->buffer = rq->data = NULL; diff --git a/block/blk-merge.c b/block/blk-merge.c index d3b84bbb776..39f2e077a01 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -228,6 +228,7 @@ new_segment: ((unsigned long)q->dma_drain_buffer) & (PAGE_SIZE - 1)); nsegs++; + rq->data_len += q->dma_drain_size; } if (sg) diff --git a/block/bsg.c b/block/bsg.c index 8917c5174dc..7f3c09549e4 100644 --- a/block/bsg.c +++ b/block/bsg.c @@ -437,14 +437,14 @@ static int blk_complete_sgv4_hdr_rq(struct request *rq, struct sg_io_v4 *hdr, } if (rq->next_rq) { - hdr->dout_resid = rq->data_len; - hdr->din_resid = rq->next_rq->data_len; + hdr->dout_resid = rq->raw_data_len; + hdr->din_resid = rq->next_rq->raw_data_len; blk_rq_unmap_user(bidi_bio); blk_put_request(rq->next_rq); } else if (rq_data_dir(rq) == READ) - hdr->din_resid = rq->data_len; + hdr->din_resid = rq->raw_data_len; else - hdr->dout_resid = rq->data_len; + hdr->dout_resid = rq->raw_data_len; /* * If the request generated a negative error number, return it diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c index 9675b34638d..e993cac4911 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -266,7 +266,7 @@ static int blk_complete_sghdr_rq(struct request *rq, struct sg_io_hdr *hdr, hdr->info = 0; if (hdr->masked_status || hdr->host_status || hdr->driver_status) hdr->info |= SG_INFO_CHECK; - hdr->resid = rq->data_len; + hdr->resid = rq->raw_data_len; hdr->sb_len_wr = 0; if (rq->sense_len && hdr->sbp) { @@ -528,6 +528,7 @@ static int __blk_send_generic(struct request_queue *q, struct gendisk *bd_disk, rq = blk_get_request(q, WRITE, __GFP_WAIT); rq->cmd_type = REQ_TYPE_BLOCK_PC; rq->data = NULL; + rq->raw_data_len = 0; rq->data_len = 0; rq->timeout = BLK_DEFAULT_SG_TIMEOUT; memset(rq->cmd, 0, sizeof(rq->cmd)); diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 135c1d05470..ba21d97d185 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1014,10 +1014,6 @@ static int scsi_init_sgtable(struct request *req, struct scsi_data_buffer *sdb, } req->buffer = NULL; - if (blk_pc_request(req)) - sdb->length = req->data_len; - else - sdb->length = req->nr_sectors << 9; /* * Next, walk the list, and fill in the addresses and sizes of @@ -1026,6 +1022,10 @@ static int scsi_init_sgtable(struct request *req, struct scsi_data_buffer *sdb, count = blk_rq_map_sg(req->q, req, sdb->table.sgl); BUG_ON(count > sdb->table.nents); sdb->table.nents = count; + if (blk_pc_request(req)) + sdb->length = req->data_len; + else + sdb->length = req->nr_sectors << 9; return BLKPREP_OK; } diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index e1888cc5b8a..f1fe9fbf1c0 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -216,6 +216,7 @@ struct request { unsigned int cmd_len; unsigned char cmd[BLK_MAX_CDB]; + unsigned int raw_data_len; unsigned int data_len; unsigned int sense_len; void *data; -- cgit v1.2.3 From dde2020754aeb14e17052d61784dcb37f252aac2 Mon Sep 17 00:00:00 2001 From: James Bottomley Date: Tue, 19 Feb 2008 11:36:56 +0100 Subject: libata: eliminate the home grown dma padding in favour of that provided by the block layer ATA requires that all DMA transfers begin and end on word boundaries. Because of this, a large amount of machinery grew up in ide to adjust scatterlists on this basis. However, as of 2.5, the block layer has a dma_alignment variable which ensures both the beginning and length of a DMA transfer are aligned on the dma_alignment boundary. Although the block layer does adjust the beginning of the transfer to ensure this happens, it doesn't actually adjust the length, it merely makes sure that space is allocated for transfers beyond the declared length. The upshot of this is that scatterlists may be padded to any size between the actual length and the length adjusted to the dma_alignment safely knowing that memory is allocated in this region. Right at the moment, SCSI takes the default dma_aligment which is on a 512 byte boundary. Note that this aligment only applies to transfers coming in from user space. However, since all kernel allocations are automatically aligned on a minimum of 32 byte boundaries, it is safe to adjust them in this manner as well. tj: * Adjusting sg after padding is done in block layer. Make libata set queue alignment correctly for ATAPI devices and drop broken sg mangling from ata_sg_setup(). * Use request->raw_data_len for ATAPI transfer chunk size. * Killed qc->raw_nbytes. * Separated out killing qc->n_iter. Signed-off-by: James Bottomley Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- drivers/ata/ahci.c | 5 -- drivers/ata/libata-core.c | 145 +++--------------------------------------- drivers/ata/libata-scsi.c | 23 ++----- drivers/ata/pata_icside.c | 8 --- drivers/ata/sata_fsl.c | 13 ---- drivers/ata/sata_mv.c | 6 +- drivers/ata/sata_sil24.c | 5 -- drivers/scsi/ipr.c | 4 +- drivers/scsi/libsas/sas_ata.c | 4 +- include/linux/libata.h | 28 +------- 10 files changed, 21 insertions(+), 220 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 29e71bddd6f..3c06e457b4d 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -1975,16 +1975,11 @@ static int ahci_port_start(struct ata_port *ap) struct ahci_port_priv *pp; void *mem; dma_addr_t mem_dma; - int rc; pp = devm_kzalloc(dev, sizeof(*pp), GFP_KERNEL); if (!pp) return -ENOMEM; - rc = ata_pad_alloc(ap, dev); - if (rc) - return rc; - mem = dmam_alloc_coherent(dev, AHCI_PORT_PRIV_DMA_SZ, &mem_dma, GFP_KERNEL); if (!mem) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index a109ccbda9c..3587ac3fe3f 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4493,30 +4493,13 @@ void ata_sg_clean(struct ata_queued_cmd *qc) struct ata_port *ap = qc->ap; struct scatterlist *sg = qc->sg; int dir = qc->dma_dir; - void *pad_buf = NULL; WARN_ON(sg == NULL); - VPRINTK("unmapping %u sg elements\n", qc->mapped_n_elem); + VPRINTK("unmapping %u sg elements\n", qc->n_elem); - /* if we padded the buffer out to 32-bit bound, and data - * xfer direction is from-device, we must copy from the - * pad buffer back into the supplied buffer - */ - if (qc->pad_len && !(qc->tf.flags & ATA_TFLAG_WRITE)) - pad_buf = ap->pad + (qc->tag * ATA_DMA_PAD_SZ); - - if (qc->mapped_n_elem) - dma_unmap_sg(ap->dev, sg, qc->mapped_n_elem, dir); - /* restore last sg */ - if (qc->last_sg) - *qc->last_sg = qc->saved_last_sg; - if (pad_buf) { - struct scatterlist *psg = &qc->extra_sg[1]; - void *addr = kmap_atomic(sg_page(psg), KM_IRQ0); - memcpy(addr + psg->offset, pad_buf, qc->pad_len); - kunmap_atomic(addr, KM_IRQ0); - } + if (qc->n_elem) + dma_unmap_sg(ap->dev, sg, qc->n_elem, dir); qc->flags &= ~ATA_QCFLAG_DMAMAP; qc->sg = NULL; @@ -4767,97 +4750,6 @@ void ata_sg_init(struct ata_queued_cmd *qc, struct scatterlist *sg, qc->cursg = qc->sg; } -static unsigned int ata_sg_setup_extra(struct ata_queued_cmd *qc, - unsigned int *n_elem_extra, - unsigned int *nbytes_extra) -{ - struct ata_port *ap = qc->ap; - unsigned int n_elem = qc->n_elem; - struct scatterlist *lsg, *copy_lsg = NULL, *tsg = NULL, *esg = NULL; - - *n_elem_extra = 0; - *nbytes_extra = 0; - - /* needs padding? */ - qc->pad_len = qc->nbytes & 3; - - if (likely(!qc->pad_len)) - return n_elem; - - /* locate last sg and save it */ - lsg = sg_last(qc->sg, n_elem); - qc->last_sg = lsg; - qc->saved_last_sg = *lsg; - - sg_init_table(qc->extra_sg, ARRAY_SIZE(qc->extra_sg)); - - if (qc->pad_len) { - struct scatterlist *psg = &qc->extra_sg[1]; - void *pad_buf = ap->pad + (qc->tag * ATA_DMA_PAD_SZ); - unsigned int offset; - - WARN_ON(qc->dev->class != ATA_DEV_ATAPI); - - memset(pad_buf, 0, ATA_DMA_PAD_SZ); - - /* psg->page/offset are used to copy to-be-written - * data in this function or read data in ata_sg_clean. - */ - offset = lsg->offset + lsg->length - qc->pad_len; - sg_set_page(psg, nth_page(sg_page(lsg), offset >> PAGE_SHIFT), - qc->pad_len, offset_in_page(offset)); - - if (qc->tf.flags & ATA_TFLAG_WRITE) { - void *addr = kmap_atomic(sg_page(psg), KM_IRQ0); - memcpy(pad_buf, addr + psg->offset, qc->pad_len); - kunmap_atomic(addr, KM_IRQ0); - } - - sg_dma_address(psg) = ap->pad_dma + (qc->tag * ATA_DMA_PAD_SZ); - sg_dma_len(psg) = ATA_DMA_PAD_SZ; - - /* Trim the last sg entry and chain the original and - * padding sg lists. - * - * Because chaining consumes one sg entry, one extra - * sg entry is allocated and the last sg entry is - * copied to it if the length isn't zero after padded - * amount is removed. - * - * If the last sg entry is completely replaced by - * padding sg entry, the first sg entry is skipped - * while chaining. - */ - lsg->length -= qc->pad_len; - if (lsg->length) { - copy_lsg = &qc->extra_sg[0]; - tsg = &qc->extra_sg[0]; - } else { - n_elem--; - tsg = &qc->extra_sg[1]; - } - - esg = &qc->extra_sg[1]; - - (*n_elem_extra)++; - (*nbytes_extra) += 4 - qc->pad_len; - } - - if (copy_lsg) - sg_set_page(copy_lsg, sg_page(lsg), lsg->length, lsg->offset); - - sg_chain(lsg, 1, tsg); - sg_mark_end(esg); - - /* sglist can't start with chaining sg entry, fast forward */ - if (qc->sg == lsg) { - qc->sg = tsg; - qc->cursg = tsg; - } - - return n_elem; -} - /** * ata_sg_setup - DMA-map the scatter-gather table associated with a command. * @qc: Command with scatter-gather table to be mapped. @@ -4874,26 +4766,17 @@ static unsigned int ata_sg_setup_extra(struct ata_queued_cmd *qc, static int ata_sg_setup(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; - unsigned int n_elem, n_elem_extra, nbytes_extra; + unsigned int n_elem; VPRINTK("ENTER, ata%u\n", ap->print_id); - n_elem = ata_sg_setup_extra(qc, &n_elem_extra, &nbytes_extra); + n_elem = dma_map_sg(ap->dev, qc->sg, qc->n_elem, qc->dma_dir); + if (n_elem < 1) + return -1; - if (n_elem) { - n_elem = dma_map_sg(ap->dev, qc->sg, n_elem, qc->dma_dir); - if (n_elem < 1) { - /* restore last sg */ - if (qc->last_sg) - *qc->last_sg = qc->saved_last_sg; - return -1; - } - DPRINTK("%d sg elements mapped\n", n_elem); - } + DPRINTK("%d sg elements mapped\n", n_elem); - qc->n_elem = qc->mapped_n_elem = n_elem; - qc->n_elem += n_elem_extra; - qc->nbytes += nbytes_extra; + qc->n_elem = n_elem; qc->flags |= ATA_QCFLAG_DMAMAP; return 0; @@ -5962,9 +5845,6 @@ void ata_qc_issue(struct ata_queued_cmd *qc) */ BUG_ON(ata_is_data(prot) && (!qc->sg || !qc->n_elem || !qc->nbytes)); - /* ata_sg_setup() may update nbytes */ - qc->raw_nbytes = qc->nbytes; - if (ata_is_dma(prot) || (ata_is_pio(prot) && (ap->flags & ATA_FLAG_PIO_DMA))) if (ata_sg_setup(qc)) @@ -6573,19 +6453,12 @@ void ata_host_resume(struct ata_host *host) int ata_port_start(struct ata_port *ap) { struct device *dev = ap->dev; - int rc; ap->prd = dmam_alloc_coherent(dev, ATA_PRD_TBL_SZ, &ap->prd_dma, GFP_KERNEL); if (!ap->prd) return -ENOMEM; - rc = ata_pad_alloc(ap, dev); - if (rc) - return rc; - - DPRINTK("prd alloc, virt %p, dma %llx\n", ap->prd, - (unsigned long long)ap->prd_dma); return 0; } diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 1cea18f62ab..6e15c5ddae6 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -832,24 +832,16 @@ static void ata_scsi_dev_config(struct scsi_device *sdev, /* configure max sectors */ blk_queue_max_sectors(sdev->request_queue, dev->max_sectors); - /* SATA DMA transfers must be multiples of 4 byte, so - * we need to pad ATAPI transfers using an extra sg. - * Decrement max hw segments accordingly. - */ - if (dev->class == ATA_DEV_ATAPI) { - struct request_queue *q = sdev->request_queue; - blk_queue_max_hw_segments(q, q->max_hw_segments - 1); - + if (dev->class == ATA_DEV_ATAPI) /* set the min alignment */ blk_queue_update_dma_alignment(sdev->request_queue, ATA_DMA_PAD_SZ - 1); - } else + else { /* ATA devices must be sector aligned */ blk_queue_update_dma_alignment(sdev->request_queue, ATA_SECT_SIZE - 1); - - if (dev->class == ATA_DEV_ATA) sdev->manage_start_stop = 1; + } if (dev->flags & ATA_DFLAG_AN) set_bit(SDEV_EVT_MEDIA_CHANGE, sdev->supported_events); @@ -2500,7 +2492,7 @@ static unsigned int atapi_xlat(struct ata_queued_cmd *qc) * want to set it properly, and for DMA where it is * effectively meaningless. */ - nbytes = min(qc->nbytes, (unsigned int)63 * 1024); + nbytes = min(scmd->request->raw_data_len, (unsigned int)63 * 1024); /* Most ATAPI devices which honor transfer chunk size don't * behave according to the spec when odd chunk size which @@ -3555,7 +3547,7 @@ EXPORT_SYMBOL_GPL(ata_sas_port_alloc); * @ap: Port to initialize * * Called just after data structures for each port are - * initialized. Allocates DMA pad. + * initialized. * * May be used as the port_start() entry in ata_port_operations. * @@ -3564,7 +3556,7 @@ EXPORT_SYMBOL_GPL(ata_sas_port_alloc); */ int ata_sas_port_start(struct ata_port *ap) { - return ata_pad_alloc(ap, ap->dev); + return 0; } EXPORT_SYMBOL_GPL(ata_sas_port_start); @@ -3572,8 +3564,6 @@ EXPORT_SYMBOL_GPL(ata_sas_port_start); * ata_port_stop - Undo ata_sas_port_start() * @ap: Port to shut down * - * Frees the DMA pad. - * * May be used as the port_stop() entry in ata_port_operations. * * LOCKING: @@ -3582,7 +3572,6 @@ EXPORT_SYMBOL_GPL(ata_sas_port_start); void ata_sas_port_stop(struct ata_port *ap) { - ata_pad_free(ap, ap->dev); } EXPORT_SYMBOL_GPL(ata_sas_port_stop); diff --git a/drivers/ata/pata_icside.c b/drivers/ata/pata_icside.c index 5b8586dac63..f97068be2d7 100644 --- a/drivers/ata/pata_icside.c +++ b/drivers/ata/pata_icside.c @@ -304,12 +304,6 @@ static int icside_dma_init(struct pata_icside_info *info) } -static int pata_icside_port_start(struct ata_port *ap) -{ - /* No PRD to alloc */ - return ata_pad_alloc(ap, ap->dev); -} - static struct scsi_host_template pata_icside_sht = { .module = THIS_MODULE, .name = DRV_NAME, @@ -389,8 +383,6 @@ static struct ata_port_operations pata_icside_port_ops = { .irq_clear = ata_dummy_noret, .irq_on = ata_irq_on, - .port_start = pata_icside_port_start, - .bmdma_stop = pata_icside_bmdma_stop, .bmdma_status = pata_icside_bmdma_status, }; diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c index efcb66b6cce..9323dd0c7d8 100644 --- a/drivers/ata/sata_fsl.c +++ b/drivers/ata/sata_fsl.c @@ -601,21 +601,9 @@ static int sata_fsl_port_start(struct ata_port *ap) if (!pp) return -ENOMEM; - /* - * allocate per command dma alignment pad buffer, which is used - * internally by libATA to ensure that all transfers ending on - * unaligned boundaries are padded, to align on Dword boundaries - */ - retval = ata_pad_alloc(ap, dev); - if (retval) { - kfree(pp); - return retval; - } - mem = dma_alloc_coherent(dev, SATA_FSL_PORT_PRIV_DMA_SZ, &mem_dma, GFP_KERNEL); if (!mem) { - ata_pad_free(ap, dev); kfree(pp); return -ENOMEM; } @@ -694,7 +682,6 @@ static void sata_fsl_port_stop(struct ata_port *ap) dma_free_coherent(dev, SATA_FSL_PORT_PRIV_DMA_SZ, pp->cmdslot, pp->cmdslot_paddr); - ata_pad_free(ap, dev); kfree(pp); } diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 2ecd44db414..1c1fbf375d9 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -1158,17 +1158,13 @@ static int mv_port_start(struct ata_port *ap) struct mv_port_priv *pp; void __iomem *port_mmio = mv_ap_base(ap); unsigned long flags; - int tag, rc; + int tag; pp = devm_kzalloc(dev, sizeof(*pp), GFP_KERNEL); if (!pp) return -ENOMEM; ap->private_data = pp; - rc = ata_pad_alloc(ap, dev); - if (rc) - return rc; - pp->crqb = dma_pool_alloc(hpriv->crqb_pool, GFP_KERNEL, &pp->crqb_dma); if (!pp->crqb) return -ENOMEM; diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c index b4b1f91ea69..df7988df790 100644 --- a/drivers/ata/sata_sil24.c +++ b/drivers/ata/sata_sil24.c @@ -1234,7 +1234,6 @@ static int sil24_port_start(struct ata_port *ap) union sil24_cmd_block *cb; size_t cb_size = sizeof(*cb) * SIL24_MAX_CMDS; dma_addr_t cb_dma; - int rc; pp = devm_kzalloc(dev, sizeof(*pp), GFP_KERNEL); if (!pp) @@ -1247,10 +1246,6 @@ static int sil24_port_start(struct ata_port *ap) return -ENOMEM; memset(cb, 0, cb_size); - rc = ata_pad_alloc(ap, dev); - if (rc) - return rc; - pp->cmd_block = cb; pp->cmd_block_dma = cb_dma; diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 2074701f7e7..c72014a3e7d 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -5140,7 +5140,7 @@ static void ipr_build_ata_ioadl(struct ipr_cmnd *ipr_cmd, struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; struct ipr_ioadl_desc *ioadl = ipr_cmd->ioadl; struct ipr_ioadl_desc *last_ioadl = NULL; - int len = qc->nbytes + qc->pad_len; + int len = qc->nbytes; struct scatterlist *sg; unsigned int si; @@ -5206,7 +5206,7 @@ static unsigned int ipr_qc_issue(struct ata_queued_cmd *qc) ioarcb->cmd_pkt.request_type = IPR_RQTYPE_ATA_PASSTHRU; ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_LINK_DESC; ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK; - ipr_cmd->dma_use_sg = qc->pad_len ? qc->n_elem + 1 : qc->n_elem; + ipr_cmd->dma_use_sg = qc->n_elem; ipr_build_ata_ioadl(ipr_cmd, qc); regs->flags |= IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION; diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index 0996f866f14..7cd05b599a1 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -178,8 +178,8 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc) task->uldd_task = qc; if (ata_is_atapi(qc->tf.protocol)) { memcpy(task->ata_task.atapi_packet, qc->cdb, qc->dev->cdb_len); - task->total_xfer_len = qc->nbytes + qc->pad_len; - task->num_scatter = qc->pad_len ? qc->n_elem + 1 : qc->n_elem; + task->total_xfer_len = qc->nbytes; + task->num_scatter = qc->n_elem; } else { for_each_sg(qc->sg, sg, qc->n_elem, si) xfer += sg->length; diff --git a/include/linux/libata.h b/include/linux/libata.h index bc5a8d0c709..2e098f940ce 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -278,7 +278,6 @@ enum { /* size of buffer to pad xfers ending on unaligned boundaries */ ATA_DMA_PAD_SZ = 4, - ATA_DMA_PAD_BUF_SZ = ATA_DMA_PAD_SZ * ATA_MAX_QUEUE, /* ering size */ ATA_ERING_SIZE = 32, @@ -457,24 +456,18 @@ struct ata_queued_cmd { unsigned long flags; /* ATA_QCFLAG_xxx */ unsigned int tag; unsigned int n_elem; - unsigned int mapped_n_elem; int dma_dir; - unsigned int pad_len; unsigned int sect_size; unsigned int nbytes; - unsigned int raw_nbytes; unsigned int curbytes; struct scatterlist *cursg; unsigned int cursg_ofs; - struct scatterlist *last_sg; - struct scatterlist saved_last_sg; struct scatterlist sgent; - struct scatterlist extra_sg[2]; struct scatterlist *sg; @@ -619,9 +612,6 @@ struct ata_port { struct ata_prd *prd; /* our SG list */ dma_addr_t prd_dma; /* and its DMA mapping */ - void *pad; /* array of DMA pad buffers */ - dma_addr_t pad_dma; - struct ata_ioports ioaddr; /* ATA cmd/ctl/dma register blocks */ u8 ctl; /* cache of ATA control register */ @@ -1363,12 +1353,9 @@ static inline void ata_qc_reinit(struct ata_queued_cmd *qc) qc->flags = 0; qc->cursg = NULL; qc->cursg_ofs = 0; - qc->nbytes = qc->raw_nbytes = qc->curbytes = 0; + qc->nbytes = qc->curbytes = 0; qc->n_elem = 0; - qc->mapped_n_elem = 0; qc->err_mask = 0; - qc->pad_len = 0; - qc->last_sg = NULL; qc->sect_size = ATA_SECT_SIZE; ata_tf_init(qc->dev, &qc->tf); @@ -1423,19 +1410,6 @@ static inline unsigned int __ac_err_mask(u8 status) return mask; } -static inline int ata_pad_alloc(struct ata_port *ap, struct device *dev) -{ - ap->pad_dma = 0; - ap->pad = dmam_alloc_coherent(dev, ATA_DMA_PAD_BUF_SZ, - &ap->pad_dma, GFP_KERNEL); - return (ap->pad == NULL) ? -ENOMEM : 0; -} - -static inline void ata_pad_free(struct ata_port *ap, struct device *dev) -{ - dmam_free_coherent(dev, ATA_DMA_PAD_BUF_SZ, ap->pad, ap->pad_dma); -} - static inline struct ata_port *ata_shost_to_port(struct Scsi_Host *host) { return *(struct ata_port **)&host->hostdata[0]; -- cgit v1.2.3 From fa2fc7f4813bfec1ae3232d49e3befbd601e8a6f Mon Sep 17 00:00:00 2001 From: James Bottomley Date: Tue, 19 Feb 2008 11:36:57 +0100 Subject: libata: implement drain buffers This just updates the libata slave configure routine to take advantage of the block layer drain buffers. It also adjusts the size lengths in the atapi code to add the drain buffer to the DMA length so the driver knows it can rely on it. I suspect I should also be checking for AHCI as well as ATA_DEV_ATAPI, but I couldn't see how to do that easily. tj: * atapi_drain_needed() added such that draining is applied to only misc ATAPI commands. * q->bounce_gfp used when allocating drain buffer. * Now duplicate ATAPI PIO drain logic dropped. * ata_dev_printk() used instead of sdev_printk(). Signed-off-by: James Bottomley Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- drivers/ata/libata-core.c | 56 ++++---------------------------------------- drivers/ata/libata-scsi.c | 59 ++++++++++++++++++++++++++++++++++++++++++----- 2 files changed, 57 insertions(+), 58 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 3587ac3fe3f..def3682f416 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4641,28 +4641,6 @@ int ata_check_atapi_dma(struct ata_queued_cmd *qc) return 0; } -/** - * atapi_qc_may_overflow - Check whether data transfer may overflow - * @qc: ATA command in question - * - * ATAPI commands which transfer variable length data to host - * might overflow due to application error or hardare bug. This - * function checks whether overflow should be drained and ignored - * for @qc. - * - * LOCKING: - * None. - * - * RETURNS: - * 1 if @qc may overflow; otherwise, 0. - */ -static int atapi_qc_may_overflow(struct ata_queued_cmd *qc) -{ - return ata_is_atapi(qc->tf.protocol) && ata_is_data(qc->tf.protocol) && - atapi_cmd_type(qc->cdb[0]) == ATAPI_MISC && - !(qc->tf.flags & ATA_TFLAG_WRITE); -} - /** * ata_std_qc_defer - Check whether a qc needs to be deferred * @qc: ATA command in question @@ -5026,36 +5004,10 @@ static int __atapi_pio_bytes(struct ata_queued_cmd *qc, unsigned int bytes) next_sg: sg = qc->cursg; if (unlikely(!sg)) { - /* - * The end of qc->sg is reached and the device expects - * more data to transfer. In order not to overrun qc->sg - * and fulfill length specified in the byte count register, - * - for read case, discard trailing data from the device - * - for write case, padding zero data to the device - */ - u16 pad_buf[1] = { 0 }; - - if (qc->curbytes + bytes > qc->nbytes + ATAPI_MAX_DRAIN) { - ata_ehi_push_desc(ehi, "too much trailing data " - "buf=%u cur=%u bytes=%u", - qc->nbytes, qc->curbytes, bytes); - return -1; - } - - /* allow overflow only for misc ATAPI commands */ - if (!atapi_qc_may_overflow(qc)) { - ata_ehi_push_desc(ehi, "unexpected trailing data " - "%u bytes", bytes); - return -1; - } - - consumed = 0; - while (consumed < bytes) - consumed += ap->ops->data_xfer(dev, - (unsigned char *)pad_buf, 2, rw); - - qc->curbytes += bytes; - return 0; + ata_ehi_push_desc(ehi, "unexpected or too much trailing data " + "buf=%u cur=%u bytes=%u", + qc->nbytes, qc->curbytes, bytes); + return -1; } page = sg_page(sg); diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 6e15c5ddae6..dd41b1a1b30 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -826,17 +826,56 @@ static void ata_scsi_sdev_config(struct scsi_device *sdev) sdev->max_device_blocked = 1; } -static void ata_scsi_dev_config(struct scsi_device *sdev, - struct ata_device *dev) +/** + * atapi_drain_needed - Check whether data transfer may overflow + * @request: request to be checked + * + * ATAPI commands which transfer variable length data to host + * might overflow due to application error or hardare bug. This + * function checks whether overflow should be drained and ignored + * for @request. + * + * LOCKING: + * None. + * + * RETURNS: + * 1 if ; otherwise, 0. + */ +static int atapi_drain_needed(struct request *rq) +{ + if (likely(!blk_pc_request(rq))) + return 0; + + if (!rq->data_len || (rq->cmd_flags & REQ_RW)) + return 0; + + return atapi_cmd_type(rq->cmd[0]) == ATAPI_MISC; +} + +static int ata_scsi_dev_config(struct scsi_device *sdev, + struct ata_device *dev) { /* configure max sectors */ blk_queue_max_sectors(sdev->request_queue, dev->max_sectors); - if (dev->class == ATA_DEV_ATAPI) + if (dev->class == ATA_DEV_ATAPI) { + struct request_queue *q = sdev->request_queue; + void *buf; + /* set the min alignment */ blk_queue_update_dma_alignment(sdev->request_queue, ATA_DMA_PAD_SZ - 1); - else { + + /* configure draining */ + buf = kmalloc(ATAPI_MAX_DRAIN, q->bounce_gfp | GFP_KERNEL); + if (!buf) { + ata_dev_printk(dev, KERN_ERR, + "drain buffer allocation failed\n"); + return -ENOMEM; + } + + blk_queue_dma_drain(q, atapi_drain_needed, buf, ATAPI_MAX_DRAIN); + } else { /* ATA devices must be sector aligned */ blk_queue_update_dma_alignment(sdev->request_queue, ATA_SECT_SIZE - 1); @@ -853,6 +892,8 @@ static void ata_scsi_dev_config(struct scsi_device *sdev, depth = min(ATA_MAX_QUEUE - 1, depth); scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, depth); } + + return 0; } /** @@ -871,13 +912,14 @@ int ata_scsi_slave_config(struct scsi_device *sdev) { struct ata_port *ap = ata_shost_to_port(sdev->host); struct ata_device *dev = __ata_scsi_find_dev(ap, sdev); + int rc = 0; ata_scsi_sdev_config(sdev); if (dev) - ata_scsi_dev_config(sdev, dev); + rc = ata_scsi_dev_config(sdev, dev); - return 0; + return rc; } /** @@ -897,6 +939,7 @@ int ata_scsi_slave_config(struct scsi_device *sdev) void ata_scsi_slave_destroy(struct scsi_device *sdev) { struct ata_port *ap = ata_shost_to_port(sdev->host); + struct request_queue *q = sdev->request_queue; unsigned long flags; struct ata_device *dev; @@ -912,6 +955,10 @@ void ata_scsi_slave_destroy(struct scsi_device *sdev) ata_port_schedule_eh(ap); } spin_unlock_irqrestore(ap->lock, flags); + + kfree(q->dma_drain_buffer); + q->dma_drain_buffer = NULL; + q->dma_drain_size = 0; } /** -- cgit v1.2.3 From 486d0a0079eb782cdb73f18246e26076c615a020 Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Tue, 19 Feb 2008 15:29:23 +0100 Subject: [S390] cio: Remember to initialize recovery_lock. Signed-off-by: Cornelia Huck Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/device.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index d35dc3f25d0..676b47e07ed 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -32,7 +32,7 @@ #include "io_sch.h" static struct timer_list recovery_timer; -static spinlock_t recovery_lock; +static DEFINE_SPINLOCK(recovery_lock); static int recovery_phase; static const unsigned long recovery_delay[] = { 3, 30, 300 }; -- cgit v1.2.3 From 4c629727cefe45abb2f7459836bfc4b41c5e55ba Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Tue, 19 Feb 2008 15:29:24 +0100 Subject: [S390] cio: Do timed recovery on workqueue. We can't do our recovery in softirq context, so we schedule it from our timer function. Signed-off-by: Cornelia Huck Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/device.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 676b47e07ed..fec004f62bc 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -1535,7 +1535,7 @@ static int recovery_check(struct device *dev, void *data) return 0; } -static void recovery_func(unsigned long data) +static void recovery_work_func(struct work_struct *unused) { int redo = 0; @@ -1553,6 +1553,17 @@ static void recovery_func(unsigned long data) CIO_MSG_EVENT(2, "recovery: end\n"); } +static DECLARE_WORK(recovery_work, recovery_work_func); + +static void recovery_func(unsigned long data) +{ + /* + * We can't do our recovery in softirq context and it's not + * performance critical, so we schedule it. + */ + schedule_work(&recovery_work); +} + void ccw_device_schedule_recovery(void) { unsigned long flags; -- cgit v1.2.3 From 03513bccad33667ed738cfd96dc5757e539e0bdb Mon Sep 17 00:00:00 2001 From: Stefan Weinhuber Date: Tue, 19 Feb 2008 15:29:27 +0100 Subject: [S390] dasd: fix locking in __dasd_device_process_final_queue After setting the status of the cqr and releasing the lock for the block cqr queue, we call the cqr callback function, which will usually just trigger the dasd_block_tasklet. But when the tasklet is already running the cqr might be processed before we invoke the callback function. In rare cases the callback pointer may already be invalid by the time we want to call it, which will result in a panic. Solution: Call the callback function first and then release the lock. Signed-off-by: Stefan Weinhuber Signed-off-by: Martin Schwidefsky --- drivers/s390/block/dasd.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index d984e0fae63..ccf46c96adb 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -1149,12 +1149,14 @@ static void __dasd_device_process_final_queue(struct dasd_device *device, { struct list_head *l, *n; struct dasd_ccw_req *cqr; + struct dasd_block *block; list_for_each_safe(l, n, final_queue) { cqr = list_entry(l, struct dasd_ccw_req, devlist); list_del_init(&cqr->devlist); - if (cqr->block) - spin_lock_bh(&cqr->block->queue_lock); + block = cqr->block; + if (block) + spin_lock_bh(&block->queue_lock); switch (cqr->status) { case DASD_CQR_SUCCESS: cqr->status = DASD_CQR_DONE; @@ -1172,15 +1174,13 @@ static void __dasd_device_process_final_queue(struct dasd_device *device, cqr, cqr->status); BUG(); } - if (cqr->block) - spin_unlock_bh(&cqr->block->queue_lock); if (cqr->callback != NULL) (cqr->callback)(cqr, cqr->callback_data); + if (block) + spin_unlock_bh(&block->queue_lock); } } - - /* * Take a look at the first request on the ccw queue and check * if it reached its expire time. If so, terminate the IO. -- cgit v1.2.3 From b32ecdb7257821e5e42d9b9b2a427b02c89f85e7 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Tue, 19 Feb 2008 15:29:30 +0100 Subject: [S390] qdio: fix qdio_activate timeout handling. Current code in qdio_activate waits for at least 5 seconds until it returns. It may return earlier if an error occurs, but not if everything is ok. This large timeout value became visible with commit dfa77f611ff295598e218aa0eb6efa73a5cf26d0 "qdio: set QDIO_ACTIVATE_TIMEOUT to 5s", which intended to fix the timeout value which was zero. In turn setting an FCP adapter online took 5 seconds. In practice waiting for 5ms before continuing is sufficient as pointed out by Utz Bacher and Cornelia Huck. Cc: Utz Bacher Cc: Jan Glauber Cc: Ursula Braun Cc: Martin Peschke Acked-by: Cornelia Huck Signed-off-by: Heiko Carstens Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/qdio.c | 10 ++-------- drivers/s390/cio/qdio.h | 2 +- 2 files changed, 3 insertions(+), 9 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c index 097fc0967e9..cd9cfc1326d 100644 --- a/drivers/s390/cio/qdio.c +++ b/drivers/s390/cio/qdio.c @@ -32,7 +32,7 @@ #include #include - +#include #include #include #include @@ -3332,13 +3332,7 @@ qdio_activate(struct ccw_device *cdev, int flags) } } - wait_event_interruptible_timeout(cdev->private->wait_q, - ((irq_ptr->state == - QDIO_IRQ_STATE_STOPPED) || - (irq_ptr->state == - QDIO_IRQ_STATE_ERR)), - QDIO_ACTIVATE_TIMEOUT); - + msleep(QDIO_ACTIVATE_TIMEOUT); switch (irq_ptr->state) { case QDIO_IRQ_STATE_STOPPED: case QDIO_IRQ_STATE_ERR: diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h index 37870e4e938..da8a272fd75 100644 --- a/drivers/s390/cio/qdio.h +++ b/drivers/s390/cio/qdio.h @@ -57,10 +57,10 @@ of the queue to 0 */ #define QDIO_ESTABLISH_TIMEOUT (1*HZ) -#define QDIO_ACTIVATE_TIMEOUT (5*HZ) #define QDIO_CLEANUP_CLEAR_TIMEOUT (20*HZ) #define QDIO_CLEANUP_HALT_TIMEOUT (10*HZ) #define QDIO_FORCE_CHECK_TIMEOUT (10*HZ) +#define QDIO_ACTIVATE_TIMEOUT (5) /* 5 ms */ enum qdio_irq_states { QDIO_IRQ_STATE_INACTIVE, -- cgit v1.2.3 From d082d3ce32705a92bd86c2b061d6b0827a40a5b1 Mon Sep 17 00:00:00 2001 From: Peter Oberparleiter Date: Tue, 19 Feb 2008 15:29:32 +0100 Subject: [S390] sclp: clean up send/receive naming scheme Make state change events adjust the correct mask by cleaning up naming inconsistencies. Also remove chance for lockup by removing unnecessary mask related check before reading events. Signed-off-by: Peter Oberparleiter Signed-off-by: Martin Schwidefsky --- drivers/s390/char/sclp.c | 12 ++++++------ drivers/s390/char/sclp.h | 6 ++++-- drivers/s390/char/sclp_config.c | 2 +- drivers/s390/char/sclp_cpi_sys.c | 2 +- drivers/s390/char/sclp_rw.c | 4 ++-- drivers/s390/char/sclp_vt220.c | 2 +- 6 files changed, 15 insertions(+), 13 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c index 25629b92dec..2c7a1ee6b04 100644 --- a/drivers/s390/char/sclp.c +++ b/drivers/s390/char/sclp.c @@ -29,10 +29,10 @@ static ext_int_info_t ext_int_info_hwc; /* Lock to protect internal data consistency. */ static DEFINE_SPINLOCK(sclp_lock); -/* Mask of events that we can receive from the sclp interface. */ +/* Mask of events that we can send to the sclp interface. */ static sccb_mask_t sclp_receive_mask; -/* Mask of events that we can send to the sclp interface. */ +/* Mask of events that we can receive from the sclp interface. */ static sccb_mask_t sclp_send_mask; /* List of registered event listeners and senders. */ @@ -380,7 +380,7 @@ sclp_interrupt_handler(__u16 code) } sclp_running_state = sclp_running_state_idle; } - if (evbuf_pending && sclp_receive_mask != 0 && + if (evbuf_pending && sclp_activation_state == sclp_activation_state_active) __sclp_queue_read_req(); spin_unlock(&sclp_lock); @@ -459,8 +459,8 @@ sclp_dispatch_state_change(void) reg = NULL; list_for_each(l, &sclp_reg_list) { reg = list_entry(l, struct sclp_register, list); - receive_mask = reg->receive_mask & sclp_receive_mask; - send_mask = reg->send_mask & sclp_send_mask; + receive_mask = reg->send_mask & sclp_receive_mask; + send_mask = reg->receive_mask & sclp_send_mask; if (reg->sclp_receive_mask != receive_mask || reg->sclp_send_mask != send_mask) { reg->sclp_receive_mask = receive_mask; @@ -615,8 +615,8 @@ struct init_sccb { u16 mask_length; sccb_mask_t receive_mask; sccb_mask_t send_mask; - sccb_mask_t sclp_send_mask; sccb_mask_t sclp_receive_mask; + sccb_mask_t sclp_send_mask; } __attribute__((packed)); /* Prepare init mask request. Called while sclp_lock is locked. */ diff --git a/drivers/s390/char/sclp.h b/drivers/s390/char/sclp.h index aa8186d18ae..bac80e856f9 100644 --- a/drivers/s390/char/sclp.h +++ b/drivers/s390/char/sclp.h @@ -122,11 +122,13 @@ struct sclp_req { /* of some routines it wants to be called from the low level driver */ struct sclp_register { struct list_head list; - /* event masks this user is registered for */ + /* User wants to receive: */ sccb_mask_t receive_mask; + /* User wants to send: */ sccb_mask_t send_mask; - /* actually present events */ + /* H/W can receive: */ sccb_mask_t sclp_receive_mask; + /* H/W can send: */ sccb_mask_t sclp_send_mask; /* called if event type availability changes */ void (*state_change_fn)(struct sclp_register *); diff --git a/drivers/s390/char/sclp_config.c b/drivers/s390/char/sclp_config.c index 9dc77f14fa5..b8f35bc52b7 100644 --- a/drivers/s390/char/sclp_config.c +++ b/drivers/s390/char/sclp_config.c @@ -64,7 +64,7 @@ static int __init sclp_conf_init(void) return rc; } - if (!(sclp_conf_register.sclp_receive_mask & EVTYP_CONFMGMDATA_MASK)) { + if (!(sclp_conf_register.sclp_send_mask & EVTYP_CONFMGMDATA_MASK)) { printk(KERN_WARNING TAG "no configuration management.\n"); sclp_unregister(&sclp_conf_register); rc = -ENOSYS; diff --git a/drivers/s390/char/sclp_cpi_sys.c b/drivers/s390/char/sclp_cpi_sys.c index 41617032afd..9f37456222e 100644 --- a/drivers/s390/char/sclp_cpi_sys.c +++ b/drivers/s390/char/sclp_cpi_sys.c @@ -129,7 +129,7 @@ static int cpi_req(void) "to hardware console.\n"); goto out; } - if (!(sclp_cpi_event.sclp_send_mask & EVTYP_CTLPROGIDENT_MASK)) { + if (!(sclp_cpi_event.sclp_receive_mask & EVTYP_CTLPROGIDENT_MASK)) { printk(KERN_WARNING "cpi: no control program " "identification support\n"); rc = -EOPNOTSUPP; diff --git a/drivers/s390/char/sclp_rw.c b/drivers/s390/char/sclp_rw.c index ad7195d3de0..da09781b32f 100644 --- a/drivers/s390/char/sclp_rw.c +++ b/drivers/s390/char/sclp_rw.c @@ -452,10 +452,10 @@ sclp_emit_buffer(struct sclp_buffer *buffer, return -EIO; sccb = buffer->sccb; - if (sclp_rw_event.sclp_send_mask & EVTYP_MSG_MASK) + if (sclp_rw_event.sclp_receive_mask & EVTYP_MSG_MASK) /* Use normal write message */ sccb->msg_buf.header.type = EVTYP_MSG; - else if (sclp_rw_event.sclp_send_mask & EVTYP_PMSGCMD_MASK) + else if (sclp_rw_event.sclp_receive_mask & EVTYP_PMSGCMD_MASK) /* Use write priority message */ sccb->msg_buf.header.type = EVTYP_PMSGCMD; else diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c index f47f4a768be..92f52720179 100644 --- a/drivers/s390/char/sclp_vt220.c +++ b/drivers/s390/char/sclp_vt220.c @@ -202,7 +202,7 @@ sclp_vt220_callback(struct sclp_req *request, void *data) static int __sclp_vt220_emit(struct sclp_vt220_request *request) { - if (!(sclp_vt220_register.sclp_send_mask & EVTYP_VT220MSG_MASK)) { + if (!(sclp_vt220_register.sclp_receive_mask & EVTYP_VT220MSG_MASK)) { request->sclp_req.status = SCLP_REQ_FAILED; return -EIO; } -- cgit v1.2.3 From 39f73b2886be3a255d8f4cd669c8c7e7957afbd9 Mon Sep 17 00:00:00 2001 From: Roel Kluin <12o3l@tiscali.nl> Date: Tue, 19 Feb 2008 15:29:33 +0100 Subject: [S390] dcss: Fix Unlikely(x) != y Fix Unlikely(x) != y Cc: Gerald Schaefer Cc: Stefan Weinhuber Cc: Carsten Otte Signed-off-by: Roel Kluin <12o3l@tiscali.nl> Signed-off-by: Heiko Carstens Signed-off-by: Martin Schwidefsky --- drivers/s390/block/dcssblk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index 3faf0538b32..e6c94dbfdea 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -666,7 +666,7 @@ dcssblk_make_request(struct request_queue *q, struct bio *bio) page_addr = (unsigned long) page_address(bvec->bv_page) + bvec->bv_offset; source_addr = dev_info->start + (index<<12) + bytes_done; - if (unlikely(page_addr & 4095) != 0 || (bvec->bv_len & 4095) != 0) + if (unlikely((page_addr & 4095) != 0) || (bvec->bv_len & 4095) != 0) // More paranoia. goto fail; if (bio_data_dir(bio) == READ) { -- cgit v1.2.3 From e5fa443ea05f71b5253818890c6d32174cbab36f Mon Sep 17 00:00:00 2001 From: Ursula Braun Date: Tue, 19 Feb 2008 15:29:35 +0100 Subject: [S390] qdio: FCP/SCSI write I/O stagnates on LPAR If running on LPAR, qdio might overlook an incoming buffer in certain scenarios. The patch makes sure that incoming buffers are detected immediately in all situations. Signed-off-by: Ursula Braun Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/qdio.c | 3 --- 1 file changed, 3 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c index cd9cfc1326d..2b5bfb7c69e 100644 --- a/drivers/s390/cio/qdio.c +++ b/drivers/s390/cio/qdio.c @@ -1215,9 +1215,6 @@ tiqdio_is_inbound_q_done(struct qdio_q *q) if (!no_used) return 1; - if (!q->siga_sync && !irq->is_qebsm) - /* we'll check for more primed buffers in qeth_stop_polling */ - return 0; if (irq->is_qebsm) { count = 1; start_buf = q->first_to_check; -- cgit v1.2.3 From 2b28a4721e068ac89bd5435472723a1bc44442fe Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Tue, 19 Feb 2008 17:02:27 +0900 Subject: [SCSI] ips: fix data buffer accessors conversion bug This fixes a bug that can't handle a passthru command with more than two sg entries. Big thanks to Tim Pepper for debugging the problem. Signed-off-by: FUJITA Tomonori Acked-by: Mark Salyzyn Cc: Stable Tree Signed-off-by: James Bottomley --- drivers/scsi/ips.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c index bb152fb9fec..7ed568f180a 100644 --- a/drivers/scsi/ips.c +++ b/drivers/scsi/ips.c @@ -1576,7 +1576,7 @@ ips_make_passthru(ips_ha_t *ha, struct scsi_cmnd *SC, ips_scb_t *scb, int intr) METHOD_TRACE("ips_make_passthru", 1); scsi_for_each_sg(SC, sg, scsi_sg_count(SC), i) - length += sg[i].length; + length += sg->length; if (length < sizeof (ips_passthru_t)) { /* wrong size */ -- cgit v1.2.3 From ec229e5e81b3cf757e5e8b6a8bd0b4f32fe52f8c Mon Sep 17 00:00:00 2001 From: Pradeep Satyanarayana Date: Tue, 12 Feb 2008 15:00:59 -0800 Subject: IPoIB/cm: Fix ipoib_cm_dev_stop() cleanup when drain times out Commit efcd9971 ("IPoIB/cm: Factor out ipoib_cm_free_rx_reap_list()") introduced a bug in ipoib_cm_dev_stop() when the receive drain times out. In that case, the function moves all the pending rx stuff into a private list but then calls ipoib_cm_free_rx_reap_list(), which handles a different list. Fix this by moving everything to the rx_reap_list that will actually get freed up. This fixes . Signed-off-by: Pradeep Satyanarayana Signed-off-by: Roland Dreier --- drivers/infiniband/ulp/ipoib/ipoib_cm.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index 7dd2ec473d2..52b1bebfa74 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -824,7 +824,6 @@ void ipoib_cm_dev_stop(struct net_device *dev) struct ipoib_dev_priv *priv = netdev_priv(dev); struct ipoib_cm_rx *p; unsigned long begin; - LIST_HEAD(list); int ret; if (!IPOIB_CM_SUPPORTED(dev->dev_addr) || !priv->cm.id) @@ -857,9 +856,12 @@ void ipoib_cm_dev_stop(struct net_device *dev) /* * assume the HW is wedged and just free up everything. */ - list_splice_init(&priv->cm.rx_flush_list, &list); - list_splice_init(&priv->cm.rx_error_list, &list); - list_splice_init(&priv->cm.rx_drain_list, &list); + list_splice_init(&priv->cm.rx_flush_list, + &priv->cm.rx_reap_list); + list_splice_init(&priv->cm.rx_error_list, + &priv->cm.rx_reap_list); + list_splice_init(&priv->cm.rx_drain_list, + &priv->cm.rx_reap_list); break; } spin_unlock_irq(&priv->lock); -- cgit v1.2.3 From b7f9c112a5e7f68d77a31c79f5942a3272ae9a3b Mon Sep 17 00:00:00 2001 From: Roland Dreier Date: Tue, 19 Feb 2008 10:42:50 -0800 Subject: IB/mthca: Free correct MPT on error exit from mthca_fmr_alloc() When mthca_fmr_alloc() returns an error, it should free the MPT at the index key, not mr->ibmr.lkey, since the lkey has been mangled by hw_index_to_key() and no longer is the real index. This bug causes corruption of the MPT table free bitmap when mthca_fmr_alloc() fails. Signed-off-by: Roland Dreier --- drivers/infiniband/hw/mthca/mthca_mr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/infiniband/hw/mthca/mthca_mr.c b/drivers/infiniband/hw/mthca/mthca_mr.c index 3b6985557cb..3538da16e3f 100644 --- a/drivers/infiniband/hw/mthca/mthca_mr.c +++ b/drivers/infiniband/hw/mthca/mthca_mr.c @@ -686,7 +686,7 @@ err_out_table: mthca_table_put(dev, dev->mr_table.mpt_table, key); err_out_mpt_free: - mthca_free(&dev->mr_table.mpt_alloc, mr->ibmr.lkey); + mthca_free(&dev->mr_table.mpt_alloc, key); return err; } -- cgit v1.2.3 From 2e2705bdcb959372d54bf7f79dd9a555ec2adfb4 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sat, 16 Feb 2008 16:37:28 +0100 Subject: firewire: fw-sbp2: (try to) avoid I/O errors during reconnect While fw-sbp2 takes the necessary time to reconnect to a logical unit after bus reset, the SCSI core keeps sending new commands. They are all immediately completed with host busy status, and application clients or filesystems will break quickly. The SCSI device might even be taken offline: http://bugzilla.kernel.org/show_bug.cgi?id=9734 The only remedy seems to be to block the SCSI device until reconnect. Alas the SCSI core has no useful API to block only one logical unit i.e. the scsi_device, therefore we block the entire Scsi_Host. This currently corresponds to an SBP-2 target. In case of targets with multiple logical units, we need to satisfy the dependencies between logical units by carefully tracking the blocking state of the target and its units. We block all logical units of a target as soon as one of them needs to be blocked, and keep them blocked until all of them are ready to be unblocked. Furthermore, as the history of the old sbp2 driver has shown, the scsi_block_requests() API is a minefield with high potential of deadlocks. We therefore take extra measures to keep logical units unblocked during __scsi_add_device() and during shutdown. This avoids I/O errors during reconnect in many but alas not in all cases. There may still be errors after a re-login had to be performed. Also, some bridges have been seen to cease fetching management ORBs if I/O went on up until a bus reset. In these cases, all management ORBs time out after mgt_orb_timeout. The old sbp2 driver is less vulnerable or maybe not vulnerable to this, for as yet unknown reasons. Signed-off-by: Stefan Richter --- drivers/firewire/fw-sbp2.c | 126 +++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 122 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index 6d10934c58f..ea4811c4551 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c @@ -139,6 +139,7 @@ struct sbp2_logical_unit { int generation; int retries; struct delayed_work work; + bool blocked; }; /* @@ -157,6 +158,9 @@ struct sbp2_target { int address_high; unsigned int workarounds; unsigned int mgt_orb_timeout; + + int dont_block; /* counter for each logical unit */ + int blocked; /* ditto */ }; /* @@ -646,6 +650,107 @@ static void sbp2_agent_reset_no_wait(struct sbp2_logical_unit *lu) &z, sizeof(z), complete_agent_reset_write_no_wait, t); } +static void sbp2_set_generation(struct sbp2_logical_unit *lu, int generation) +{ + struct fw_card *card = fw_device(lu->tgt->unit->device.parent)->card; + unsigned long flags; + + /* serialize with comparisons of lu->generation and card->generation */ + spin_lock_irqsave(&card->lock, flags); + lu->generation = generation; + spin_unlock_irqrestore(&card->lock, flags); +} + +static inline void sbp2_allow_block(struct sbp2_logical_unit *lu) +{ + /* + * We may access dont_block without taking card->lock here: + * All callers of sbp2_allow_block() and all callers of sbp2_unblock() + * are currently serialized against each other. + * And a wrong result in sbp2_conditionally_block()'s access of + * dont_block is rather harmless, it simply misses its first chance. + */ + --lu->tgt->dont_block; +} + +/* + * Blocks lu->tgt if all of the following conditions are met: + * - Login, INQUIRY, and high-level SCSI setup of all of the target's + * logical units have been finished (indicated by dont_block == 0). + * - lu->generation is stale. + * + * Note, scsi_block_requests() must be called while holding card->lock, + * otherwise it might foil sbp2_[conditionally_]unblock()'s attempt to + * unblock the target. + */ +static void sbp2_conditionally_block(struct sbp2_logical_unit *lu) +{ + struct sbp2_target *tgt = lu->tgt; + struct fw_card *card = fw_device(tgt->unit->device.parent)->card; + struct Scsi_Host *shost = + container_of((void *)tgt, struct Scsi_Host, hostdata[0]); + unsigned long flags; + + spin_lock_irqsave(&card->lock, flags); + if (!tgt->dont_block && !lu->blocked && + lu->generation != card->generation) { + lu->blocked = true; + if (++tgt->blocked == 1) { + scsi_block_requests(shost); + fw_notify("blocked %s\n", lu->tgt->bus_id); + } + } + spin_unlock_irqrestore(&card->lock, flags); +} + +/* + * Unblocks lu->tgt as soon as all its logical units can be unblocked. + * Note, it is harmless to run scsi_unblock_requests() outside the + * card->lock protected section. On the other hand, running it inside + * the section might clash with shost->host_lock. + */ +static void sbp2_conditionally_unblock(struct sbp2_logical_unit *lu) +{ + struct sbp2_target *tgt = lu->tgt; + struct fw_card *card = fw_device(tgt->unit->device.parent)->card; + struct Scsi_Host *shost = + container_of((void *)tgt, struct Scsi_Host, hostdata[0]); + unsigned long flags; + bool unblock = false; + + spin_lock_irqsave(&card->lock, flags); + if (lu->blocked && lu->generation == card->generation) { + lu->blocked = false; + unblock = --tgt->blocked == 0; + } + spin_unlock_irqrestore(&card->lock, flags); + + if (unblock) { + scsi_unblock_requests(shost); + fw_notify("unblocked %s\n", lu->tgt->bus_id); + } +} + +/* + * Prevents future blocking of tgt and unblocks it. + * Note, it is harmless to run scsi_unblock_requests() outside the + * card->lock protected section. On the other hand, running it inside + * the section might clash with shost->host_lock. + */ +static void sbp2_unblock(struct sbp2_target *tgt) +{ + struct fw_card *card = fw_device(tgt->unit->device.parent)->card; + struct Scsi_Host *shost = + container_of((void *)tgt, struct Scsi_Host, hostdata[0]); + unsigned long flags; + + spin_lock_irqsave(&card->lock, flags); + ++tgt->dont_block; + spin_unlock_irqrestore(&card->lock, flags); + + scsi_unblock_requests(shost); +} + static void sbp2_release_target(struct kref *kref) { struct sbp2_target *tgt = container_of(kref, struct sbp2_target, kref); @@ -653,6 +758,9 @@ static void sbp2_release_target(struct kref *kref) struct Scsi_Host *shost = container_of((void *)tgt, struct Scsi_Host, hostdata[0]); + /* prevent deadlocks */ + sbp2_unblock(tgt); + list_for_each_entry_safe(lu, next, &tgt->lu_list, link) { if (lu->sdev) scsi_remove_device(lu->sdev); @@ -717,17 +825,20 @@ static void sbp2_login(struct work_struct *work) if (sbp2_send_management_orb(lu, node_id, generation, SBP2_LOGIN_REQUEST, lu->lun, &response) < 0) { - if (lu->retries++ < 5) + if (lu->retries++ < 5) { sbp2_queue_work(lu, DIV_ROUND_UP(HZ, 5)); - else + } else { fw_error("%s: failed to login to LUN %04x\n", tgt->bus_id, lu->lun); + /* Let any waiting I/O fail from now on. */ + sbp2_unblock(lu->tgt); + } goto out; } - lu->generation = generation; tgt->node_id = node_id; tgt->address_high = local_node_id << 16; + sbp2_set_generation(lu, generation); /* Get command block agent offset and login id. */ lu->command_block_agent_address = @@ -749,6 +860,7 @@ static void sbp2_login(struct work_struct *work) /* This was a re-login. */ if (lu->sdev) { sbp2_cancel_orbs(lu); + sbp2_conditionally_unblock(lu); goto out; } @@ -785,6 +897,7 @@ static void sbp2_login(struct work_struct *work) /* No error during __scsi_add_device() */ lu->sdev = sdev; + sbp2_allow_block(lu); goto out; out_logout_login: @@ -825,6 +938,8 @@ static int sbp2_add_logical_unit(struct sbp2_target *tgt, int lun_entry) lu->sdev = NULL; lu->lun = lun_entry & 0xffff; lu->retries = 0; + lu->blocked = false; + ++tgt->dont_block; INIT_LIST_HEAD(&lu->orb_list); INIT_DELAYED_WORK(&lu->work, sbp2_login); @@ -1041,15 +1156,16 @@ static void sbp2_reconnect(struct work_struct *work) goto out; } - lu->generation = generation; tgt->node_id = node_id; tgt->address_high = local_node_id << 16; + sbp2_set_generation(lu, generation); fw_notify("%s: reconnected to LUN %04x (%d retries)\n", tgt->bus_id, lu->lun, lu->retries); sbp2_agent_reset(lu); sbp2_cancel_orbs(lu); + sbp2_conditionally_unblock(lu); out: sbp2_target_put(tgt); } @@ -1066,6 +1182,7 @@ static void sbp2_update(struct fw_unit *unit) * Iteration over tgt->lu_list is therefore safe here. */ list_for_each_entry(lu, &tgt->lu_list, link) { + sbp2_conditionally_block(lu); lu->retries = 0; sbp2_queue_work(lu, 0); } @@ -1169,6 +1286,7 @@ complete_command_orb(struct sbp2_orb *base_orb, struct sbp2_status *status) * or when sending the write (less likely). */ result = DID_BUS_BUSY << 16; + sbp2_conditionally_block(orb->lu); } dma_unmap_single(device->card->device, orb->base.request_bus, -- cgit v1.2.3 From 5513c5f6f9bd8c8ad3727130910fa288c62526a7 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sun, 17 Feb 2008 14:56:19 +0100 Subject: firewire: fw-sbp2: fix NULL pointer deref. in slave_alloc Fix a kernel bug when running rescan-scsi-bus while a FireWire disk is connected: http://bugzilla.kernel.org/show_bug.cgi?id=10008 Signed-off-by: Stefan Richter --- drivers/firewire/fw-sbp2.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers') diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index ea4811c4551..60ebcb5fe21 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c @@ -1473,6 +1473,10 @@ static int sbp2_scsi_slave_alloc(struct scsi_device *sdev) { struct sbp2_logical_unit *lu = sdev->hostdata; + /* (Re-)Adding logical units via the SCSI stack is not supported. */ + if (!lu) + return -ENOSYS; + sdev->allow_restart = 1; /* -- cgit v1.2.3 From 33f1c6c3529f5f279e2e98e5cca0c5bac152153b Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Tue, 19 Feb 2008 09:05:49 +0100 Subject: firewire: fw-sbp2: fix NULL pointer deref. in scsi_remove_device Fix a kernel bug when unplugging an SBP-2 device after having its scsi_device already removed via the "delete" sysfs attribute. Signed-off-by: Stefan Richter --- drivers/firewire/fw-sbp2.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index 60ebcb5fe21..5259491580f 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c @@ -762,9 +762,10 @@ static void sbp2_release_target(struct kref *kref) sbp2_unblock(tgt); list_for_each_entry_safe(lu, next, &tgt->lu_list, link) { - if (lu->sdev) + if (lu->sdev) { scsi_remove_device(lu->sdev); - + scsi_device_put(lu->sdev); + } sbp2_send_management_orb(lu, tgt->node_id, lu->generation, SBP2_LOGOUT_REQUEST, lu->login_id, NULL); @@ -886,12 +887,11 @@ static void sbp2_login(struct work_struct *work) if (IS_ERR(sdev)) goto out_logout_login; - scsi_device_put(sdev); - /* Unreported error during __scsi_add_device() */ smp_rmb(); /* get current card generation */ if (generation != device->card->generation) { scsi_remove_device(sdev); + scsi_device_put(sdev); goto out_logout_login; } -- cgit v1.2.3 From ef774c16a744f130f27c654bf9c4806e767fc773 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sun, 17 Feb 2008 14:57:10 +0100 Subject: ieee1394: sbp2: fix rescan-scsi-bus rescan-scsi-bus used to add SBP-2 targets which weren't there. Signed-off-by: Stefan Richter --- drivers/ieee1394/sbp2.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers') diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index accb2ad8b56..9e2b1964d71 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -1974,6 +1974,9 @@ static int sbp2scsi_slave_alloc(struct scsi_device *sdev) { struct sbp2_lu *lu = (struct sbp2_lu *)sdev->host->hostdata[0]; + if (sdev->lun != 0 || sdev->id != lu->ud->id || sdev->channel != 0) + return -ENODEV; + lu->sdev = sdev; sdev->allow_restart = 1; -- cgit v1.2.3 From 60f92683943c5b7a85963b283d6f8a853aa09203 Mon Sep 17 00:00:00 2001 From: Maciej Cencora Date: Tue, 19 Feb 2008 21:32:45 +1000 Subject: drm/radeon: add initial rs690 support to drm. This adds support for configuring the RS690 GART. Signed-off-by: Dave Airlie --- drivers/char/drm/drm_pciids.h | 1 + drivers/char/drm/radeon_cp.c | 81 +++++++++++++++++++++++++++++++++++++++++++ drivers/char/drm/radeon_drv.h | 38 ++++++++++++++++++++ 3 files changed, 120 insertions(+) (limited to 'drivers') diff --git a/drivers/char/drm/drm_pciids.h b/drivers/char/drm/drm_pciids.h index f5246884367..5de6f8788b6 100644 --- a/drivers/char/drm/drm_pciids.h +++ b/drivers/char/drm/drm_pciids.h @@ -236,6 +236,7 @@ {0x1002, 0x7297, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV560|RADEON_NEW_MEMMAP}, \ {0x1002, 0x7834, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|RADEON_IS_IGP|RADEON_NEW_MEMMAP}, \ {0x1002, 0x7835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|RADEON_IS_IGP|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x791e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS690|RADEON_IS_IGP|RADEON_NEW_MEMMAP|RADEON_IS_IGPGART}, \ {0, 0, 0} #define r128_PCI_IDS \ diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c index 5dc799ab86b..833abc7e55f 100644 --- a/drivers/char/drm/radeon_cp.c +++ b/drivers/char/drm/radeon_cp.c @@ -825,11 +825,19 @@ static u32 RADEON_READ_MCIND(drm_radeon_private_t *dev_priv, int addr) return ret; } +static u32 RS690_READ_MCIND(drm_radeon_private_t *dev_priv, int addr) +{ + RADEON_WRITE(RS690_MC_INDEX, (addr & RS690_MC_INDEX_MASK)); + return RADEON_READ(RS690_MC_DATA); +} + u32 radeon_read_fb_location(drm_radeon_private_t *dev_priv) { if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515) return RADEON_READ_MCIND(dev_priv, RV515_MC_FB_LOCATION); + else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) + return RS690_READ_MCIND(dev_priv, RS690_MC_FB_LOCATION); else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515) return RADEON_READ_MCIND(dev_priv, R520_MC_FB_LOCATION); else @@ -840,6 +848,8 @@ static void radeon_write_fb_location(drm_radeon_private_t *dev_priv, u32 fb_loc) { if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515) RADEON_WRITE_MCIND(RV515_MC_FB_LOCATION, fb_loc); + else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) + RS690_WRITE_MCIND(RS690_MC_FB_LOCATION, fb_loc); else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515) RADEON_WRITE_MCIND(R520_MC_FB_LOCATION, fb_loc); else @@ -850,6 +860,8 @@ static void radeon_write_agp_location(drm_radeon_private_t *dev_priv, u32 agp_lo { if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515) RADEON_WRITE_MCIND(RV515_MC_AGP_LOCATION, agp_loc); + else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) + RS690_WRITE_MCIND(RS690_MC_AGP_LOCATION, agp_loc); else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515) RADEON_WRITE_MCIND(R520_MC_AGP_LOCATION, agp_loc); else @@ -1362,6 +1374,70 @@ static void radeon_set_igpgart(drm_radeon_private_t * dev_priv, int on) } } +/* Enable or disable RS690 GART on the chip */ +static void radeon_set_rs690gart(drm_radeon_private_t *dev_priv, int on) +{ + u32 temp; + + if (on) { + DRM_DEBUG("programming rs690 gart %08X %08lX %08X\n", + dev_priv->gart_vm_start, + (long)dev_priv->gart_info.bus_addr, + dev_priv->gart_size); + + temp = RS690_READ_MCIND(dev_priv, RS690_MC_MISC_CNTL); + RS690_WRITE_MCIND(RS690_MC_MISC_CNTL, 0x5000); + + RS690_WRITE_MCIND(RS690_MC_AGP_SIZE, + RS690_MC_GART_EN | RS690_MC_AGP_SIZE_32MB); + + temp = RS690_READ_MCIND(dev_priv, RS690_MC_GART_FEATURE_ID); + RS690_WRITE_MCIND(RS690_MC_GART_FEATURE_ID, 0x42040800); + + RS690_WRITE_MCIND(RS690_MC_GART_BASE, + dev_priv->gart_info.bus_addr); + + temp = RS690_READ_MCIND(dev_priv, RS690_MC_AGP_MODE_CONTROL); + RS690_WRITE_MCIND(RS690_MC_AGP_MODE_CONTROL, 0x01400000); + + RS690_WRITE_MCIND(RS690_MC_AGP_BASE, + (unsigned int)dev_priv->gart_vm_start); + + dev_priv->gart_size = 32*1024*1024; + temp = (((dev_priv->gart_vm_start - 1 + dev_priv->gart_size) & + 0xffff0000) | (dev_priv->gart_vm_start >> 16)); + + RS690_WRITE_MCIND(RS690_MC_AGP_LOCATION, temp); + + temp = RS690_READ_MCIND(dev_priv, RS690_MC_AGP_SIZE); + RS690_WRITE_MCIND(RS690_MC_AGP_SIZE, + RS690_MC_GART_EN | RS690_MC_AGP_SIZE_32MB); + + do { + temp = RS690_READ_MCIND(dev_priv, RS690_MC_GART_CACHE_CNTL); + if ((temp & RS690_MC_GART_CLEAR_STATUS) == + RS690_MC_GART_CLEAR_DONE) + break; + DRM_UDELAY(1); + } while (1); + + RS690_WRITE_MCIND(RS690_MC_GART_CACHE_CNTL, + RS690_MC_GART_CC_CLEAR); + do { + temp = RS690_READ_MCIND(dev_priv, RS690_MC_GART_CACHE_CNTL); + if ((temp & RS690_MC_GART_CLEAR_STATUS) == + RS690_MC_GART_CLEAR_DONE) + break; + DRM_UDELAY(1); + } while (1); + + RS690_WRITE_MCIND(RS690_MC_GART_CACHE_CNTL, + RS690_MC_GART_CC_NO_CHANGE); + } else { + RS690_WRITE_MCIND(RS690_MC_AGP_SIZE, RS690_MC_GART_DIS); + } +} + static void radeon_set_pciegart(drm_radeon_private_t * dev_priv, int on) { u32 tmp = RADEON_READ_PCIE(dev_priv, RADEON_PCIE_TX_GART_CNTL); @@ -1396,6 +1472,11 @@ static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on) { u32 tmp; + if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) { + radeon_set_rs690gart(dev_priv, on); + return; + } + if (dev_priv->flags & RADEON_IS_IGPGART) { radeon_set_igpgart(dev_priv, on); return; diff --git a/drivers/char/drm/radeon_drv.h b/drivers/char/drm/radeon_drv.h index 4434332c79b..173ae620223 100644 --- a/drivers/char/drm/radeon_drv.h +++ b/drivers/char/drm/radeon_drv.h @@ -123,6 +123,7 @@ enum radeon_family { CHIP_R420, CHIP_RV410, CHIP_RS400, + CHIP_RS690, CHIP_RV515, CHIP_R520, CHIP_RV530, @@ -467,6 +468,36 @@ extern int r300_do_cp_cmdbuf(struct drm_device * dev, #define RADEON_IGPGART_ENABLE 0x38 #define RADEON_IGPGART_UNK_39 0x39 +#define RS690_MC_INDEX 0x78 +# define RS690_MC_INDEX_MASK 0x1ff +# define RS690_MC_INDEX_WR_EN (1 << 9) +# define RS690_MC_INDEX_WR_ACK 0x7f +#define RS690_MC_DATA 0x7c + +#define RS690_MC_MISC_CNTL 0x18 +#define RS690_MC_GART_FEATURE_ID 0x2b +#define RS690_MC_GART_BASE 0x2c +#define RS690_MC_GART_CACHE_CNTL 0x2e +# define RS690_MC_GART_CC_NO_CHANGE 0x0 +# define RS690_MC_GART_CC_CLEAR 0x1 +# define RS690_MC_GART_CLEAR_STATUS (1 << 1) +# define RS690_MC_GART_CLEAR_DONE (0 << 1) +# define RS690_MC_GART_CLEAR_PENDING (1 << 1) +#define RS690_MC_AGP_SIZE 0x38 +# define RS690_MC_GART_DIS 0x0 +# define RS690_MC_GART_EN 0x1 +# define RS690_MC_AGP_SIZE_32MB (0 << 1) +# define RS690_MC_AGP_SIZE_64MB (1 << 1) +# define RS690_MC_AGP_SIZE_128MB (2 << 1) +# define RS690_MC_AGP_SIZE_256MB (3 << 1) +# define RS690_MC_AGP_SIZE_512MB (4 << 1) +# define RS690_MC_AGP_SIZE_1GB (5 << 1) +# define RS690_MC_AGP_SIZE_2GB (6 << 1) +#define RS690_MC_AGP_MODE_CONTROL 0x39 +#define RS690_MC_FB_LOCATION 0x100 +#define RS690_MC_AGP_LOCATION 0x101 +#define RS690_MC_AGP_BASE 0x102 + #define R520_MC_IND_INDEX 0x70 #define R520_MC_IND_WR_EN (1<<24) #define R520_MC_IND_DATA 0x74 @@ -1076,6 +1107,13 @@ do { \ RADEON_WRITE(R520_MC_IND_INDEX, 0); \ } while (0) +#define RS690_WRITE_MCIND( addr, val ) \ +do { \ + RADEON_WRITE(RS690_MC_INDEX, RS690_MC_INDEX_WR_EN | ((addr) & RS690_MC_INDEX_MASK)); \ + RADEON_WRITE(RS690_MC_DATA, val); \ + RADEON_WRITE(RS690_MC_INDEX, RS690_MC_INDEX_WR_ACK); \ +} while (0) + #define CP_PACKET0( reg, n ) \ (RADEON_CP_PACKET0 | ((n) << 16) | ((reg) >> 2)) #define CP_PACKET0_TABLE( reg, n ) \ -- cgit v1.2.3 From b39d50e53b1bb27f6c29f88a697a4af78427dffd Mon Sep 17 00:00:00 2001 From: Zhenyu Wang Date: Tue, 19 Feb 2008 20:59:09 +1000 Subject: i915: wrap chipset types requiring hw status set ioctl Also applys to recent added new chipset. Signed-off-by: Zhenyu Wang Signed-off-by: Dave Airlie --- drivers/char/drm/i915_dma.c | 5 ++++- drivers/char/drm/i915_drv.h | 2 ++ 2 files changed, 6 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/char/drm/i915_dma.c b/drivers/char/drm/i915_dma.c index 43986d81ae3..e9d6663bec7 100644 --- a/drivers/char/drm/i915_dma.c +++ b/drivers/char/drm/i915_dma.c @@ -171,7 +171,7 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init) dev_priv->allow_batchbuffer = 1; /* Program Hardware Status Page */ - if (!IS_G33(dev)) { + if (!I915_NEED_GFX_HWS(dev)) { dev_priv->status_page_dmah = drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, 0xffffffff); @@ -720,6 +720,9 @@ static int i915_set_status_page(struct drm_device *dev, void *data, drm_i915_private_t *dev_priv = dev->dev_private; drm_i915_hws_addr_t *hws = data; + if (!I915_NEED_GFX_HWS(dev)) + return -EINVAL; + if (!dev_priv) { DRM_ERROR("called with no initialization\n"); return -EINVAL; diff --git a/drivers/char/drm/i915_drv.h b/drivers/char/drm/i915_drv.h index f8308bfb261..786460d6b1a 100644 --- a/drivers/char/drm/i915_drv.h +++ b/drivers/char/drm/i915_drv.h @@ -1101,6 +1101,8 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); #define IS_MOBILE(dev) (IS_I830(dev) || IS_I85X(dev) || IS_I915GM(dev) || \ IS_I945GM(dev) || IS_I965GM(dev) || IS_IGD_GM(dev)) +#define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_IGD_GM(dev)) + #define PRIMARY_RINGBUFFER_SIZE (128*1024) #endif -- cgit v1.2.3 From ca0b07d9a969c6561e5d6f69c861fbedf8d09e5d Mon Sep 17 00:00:00 2001 From: Nick Piggin Date: Thu, 7 Feb 2008 16:20:50 +1000 Subject: drm: convert drm from nopage to fault. Remove redundant vma range checks. Signed-off-by: Nick Piggin Signed-off-by: Andrew Morton Signed-off-by: Dave Airlie --- drivers/char/drm/drm_vm.c | 125 ++++++++++++++++++++-------------------------- 1 file changed, 55 insertions(+), 70 deletions(-) (limited to 'drivers') diff --git a/drivers/char/drm/drm_vm.c b/drivers/char/drm/drm_vm.c index cea4105374b..3d65c4dcd0c 100644 --- a/drivers/char/drm/drm_vm.c +++ b/drivers/char/drm/drm_vm.c @@ -66,7 +66,7 @@ static pgprot_t drm_io_prot(uint32_t map_type, struct vm_area_struct *vma) } /** - * \c nopage method for AGP virtual memory. + * \c fault method for AGP virtual memory. * * \param vma virtual memory area. * \param address access address. @@ -76,8 +76,7 @@ static pgprot_t drm_io_prot(uint32_t map_type, struct vm_area_struct *vma) * map, get the page, increment the use count and return it. */ #if __OS_HAS_AGP -static __inline__ struct page *drm_do_vm_nopage(struct vm_area_struct *vma, - unsigned long address) +static int drm_do_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { struct drm_file *priv = vma->vm_file->private_data; struct drm_device *dev = priv->head->dev; @@ -89,19 +88,24 @@ static __inline__ struct page *drm_do_vm_nopage(struct vm_area_struct *vma, * Find the right map */ if (!drm_core_has_AGP(dev)) - goto vm_nopage_error; + goto vm_fault_error; if (!dev->agp || !dev->agp->cant_use_aperture) - goto vm_nopage_error; + goto vm_fault_error; if (drm_ht_find_item(&dev->map_hash, vma->vm_pgoff, &hash)) - goto vm_nopage_error; + goto vm_fault_error; r_list = drm_hash_entry(hash, struct drm_map_list, hash); map = r_list->map; if (map && map->type == _DRM_AGP) { - unsigned long offset = address - vma->vm_start; + /* + * Using vm_pgoff as a selector forces us to use this unusual + * addressing scheme. + */ + unsigned long offset = (unsigned long)vmf->virtual_address - + vma->vm_start; unsigned long baddr = map->offset + offset; struct drm_agp_mem *agpmem; struct page *page; @@ -123,7 +127,7 @@ static __inline__ struct page *drm_do_vm_nopage(struct vm_area_struct *vma, } if (!agpmem) - goto vm_nopage_error; + goto vm_fault_error; /* * Get the page, inc the use count, and return it @@ -131,22 +135,21 @@ static __inline__ struct page *drm_do_vm_nopage(struct vm_area_struct *vma, offset = (baddr - agpmem->bound) >> PAGE_SHIFT; page = virt_to_page(__va(agpmem->memory->memory[offset])); get_page(page); + vmf->page = page; DRM_DEBUG ("baddr = 0x%lx page = 0x%p, offset = 0x%lx, count=%d\n", baddr, __va(agpmem->memory->memory[offset]), offset, page_count(page)); - - return page; + return 0; } - vm_nopage_error: - return NOPAGE_SIGBUS; /* Disallow mremap */ +vm_fault_error: + return VM_FAULT_SIGBUS; /* Disallow mremap */ } #else /* __OS_HAS_AGP */ -static __inline__ struct page *drm_do_vm_nopage(struct vm_area_struct *vma, - unsigned long address) +static int drm_do_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { - return NOPAGE_SIGBUS; + return VM_FAULT_SIGBUS; } #endif /* __OS_HAS_AGP */ @@ -160,28 +163,26 @@ static __inline__ struct page *drm_do_vm_nopage(struct vm_area_struct *vma, * Get the mapping, find the real physical page to map, get the page, and * return it. */ -static __inline__ struct page *drm_do_vm_shm_nopage(struct vm_area_struct *vma, - unsigned long address) +static int drm_do_vm_shm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { struct drm_map *map = (struct drm_map *) vma->vm_private_data; unsigned long offset; unsigned long i; struct page *page; - if (address > vma->vm_end) - return NOPAGE_SIGBUS; /* Disallow mremap */ if (!map) - return NOPAGE_SIGBUS; /* Nothing allocated */ + return VM_FAULT_SIGBUS; /* Nothing allocated */ - offset = address - vma->vm_start; + offset = (unsigned long)vmf->virtual_address - vma->vm_start; i = (unsigned long)map->handle + offset; page = vmalloc_to_page((void *)i); if (!page) - return NOPAGE_SIGBUS; + return VM_FAULT_SIGBUS; get_page(page); + vmf->page = page; - DRM_DEBUG("0x%lx\n", address); - return page; + DRM_DEBUG("shm_fault 0x%lx\n", offset); + return 0; } /** @@ -263,7 +264,7 @@ static void drm_vm_shm_close(struct vm_area_struct *vma) } /** - * \c nopage method for DMA virtual memory. + * \c fault method for DMA virtual memory. * * \param vma virtual memory area. * \param address access address. @@ -271,8 +272,7 @@ static void drm_vm_shm_close(struct vm_area_struct *vma) * * Determine the page number from the page offset and get it from drm_device_dma::pagelist. */ -static __inline__ struct page *drm_do_vm_dma_nopage(struct vm_area_struct *vma, - unsigned long address) +static int drm_do_vm_dma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { struct drm_file *priv = vma->vm_file->private_data; struct drm_device *dev = priv->head->dev; @@ -282,24 +282,23 @@ static __inline__ struct page *drm_do_vm_dma_nopage(struct vm_area_struct *vma, struct page *page; if (!dma) - return NOPAGE_SIGBUS; /* Error */ - if (address > vma->vm_end) - return NOPAGE_SIGBUS; /* Disallow mremap */ + return VM_FAULT_SIGBUS; /* Error */ if (!dma->pagelist) - return NOPAGE_SIGBUS; /* Nothing allocated */ + return VM_FAULT_SIGBUS; /* Nothing allocated */ - offset = address - vma->vm_start; /* vm_[pg]off[set] should be 0 */ - page_nr = offset >> PAGE_SHIFT; + offset = (unsigned long)vmf->virtual_address - vma->vm_start; /* vm_[pg]off[set] should be 0 */ + page_nr = offset >> PAGE_SHIFT; /* page_nr could just be vmf->pgoff */ page = virt_to_page((dma->pagelist[page_nr] + (offset & (~PAGE_MASK)))); get_page(page); + vmf->page = page; - DRM_DEBUG("0x%lx (page %lu)\n", address, page_nr); - return page; + DRM_DEBUG("dma_fault 0x%lx (page %lu)\n", offset, page_nr); + return 0; } /** - * \c nopage method for scatter-gather virtual memory. + * \c fault method for scatter-gather virtual memory. * * \param vma virtual memory area. * \param address access address. @@ -307,8 +306,7 @@ static __inline__ struct page *drm_do_vm_dma_nopage(struct vm_area_struct *vma, * * Determine the map offset from the page offset and get it from drm_sg_mem::pagelist. */ -static __inline__ struct page *drm_do_vm_sg_nopage(struct vm_area_struct *vma, - unsigned long address) +static int drm_do_vm_sg_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { struct drm_map *map = (struct drm_map *) vma->vm_private_data; struct drm_file *priv = vma->vm_file->private_data; @@ -320,77 +318,64 @@ static __inline__ struct page *drm_do_vm_sg_nopage(struct vm_area_struct *vma, struct page *page; if (!entry) - return NOPAGE_SIGBUS; /* Error */ - if (address > vma->vm_end) - return NOPAGE_SIGBUS; /* Disallow mremap */ + return VM_FAULT_SIGBUS; /* Error */ if (!entry->pagelist) - return NOPAGE_SIGBUS; /* Nothing allocated */ + return VM_FAULT_SIGBUS; /* Nothing allocated */ - offset = address - vma->vm_start; + offset = (unsigned long)vmf->virtual_address - vma->vm_start; map_offset = map->offset - (unsigned long)dev->sg->virtual; page_offset = (offset >> PAGE_SHIFT) + (map_offset >> PAGE_SHIFT); page = entry->pagelist[page_offset]; get_page(page); + vmf->page = page; - return page; + return 0; } -static struct page *drm_vm_nopage(struct vm_area_struct *vma, - unsigned long address, int *type) +static int drm_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { - if (type) - *type = VM_FAULT_MINOR; - return drm_do_vm_nopage(vma, address); + return drm_do_vm_fault(vma, vmf); } -static struct page *drm_vm_shm_nopage(struct vm_area_struct *vma, - unsigned long address, int *type) +static int drm_vm_shm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { - if (type) - *type = VM_FAULT_MINOR; - return drm_do_vm_shm_nopage(vma, address); + return drm_do_vm_shm_fault(vma, vmf); } -static struct page *drm_vm_dma_nopage(struct vm_area_struct *vma, - unsigned long address, int *type) +static int drm_vm_dma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { - if (type) - *type = VM_FAULT_MINOR; - return drm_do_vm_dma_nopage(vma, address); + return drm_do_vm_dma_fault(vma, vmf); } -static struct page *drm_vm_sg_nopage(struct vm_area_struct *vma, - unsigned long address, int *type) +static int drm_vm_sg_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { - if (type) - *type = VM_FAULT_MINOR; - return drm_do_vm_sg_nopage(vma, address); + return drm_do_vm_sg_fault(vma, vmf); } /** AGP virtual memory operations */ static struct vm_operations_struct drm_vm_ops = { - .nopage = drm_vm_nopage, + .fault = drm_vm_fault, .open = drm_vm_open, .close = drm_vm_close, }; /** Shared virtual memory operations */ static struct vm_operations_struct drm_vm_shm_ops = { - .nopage = drm_vm_shm_nopage, + .fault = drm_vm_shm_fault, .open = drm_vm_open, .close = drm_vm_shm_close, }; /** DMA virtual memory operations */ static struct vm_operations_struct drm_vm_dma_ops = { - .nopage = drm_vm_dma_nopage, + .fault = drm_vm_dma_fault, .open = drm_vm_open, .close = drm_vm_close, }; /** Scatter-gather virtual memory operations */ static struct vm_operations_struct drm_vm_sg_ops = { - .nopage = drm_vm_sg_nopage, + .fault = drm_vm_sg_fault, .open = drm_vm_open, .close = drm_vm_close, }; @@ -604,7 +589,7 @@ static int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma) /* * On some platforms we can't talk to bus dma address from the CPU, so for * memory of type DRM_AGP, we'll deal with sorting out the real physical - * pages and mappings in nopage() + * pages and mappings in fault() */ #if defined(__powerpc__) pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE; @@ -634,7 +619,7 @@ static int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma) break; case _DRM_CONSISTENT: /* Consistent memory is really like shared memory. But - * it's allocated in a different way, so avoid nopage */ + * it's allocated in a different way, so avoid fault */ if (remap_pfn_range(vma, vma->vm_start, page_to_pfn(virt_to_page(map->handle)), vma->vm_end - vma->vm_start, vma->vm_page_prot)) -- cgit v1.2.3 From 0da3ea12fc2607beb67c2d54d0347807ea615573 Mon Sep 17 00:00:00 2001 From: Jesse Barnes Date: Wed, 20 Feb 2008 09:39:58 +1000 Subject: drm/i915: save/restore interrupt state On resume, if the interrupt state isn't restored correctly, we may end up with a flood of unexpected or ill-timed interrupts, which could cause the kernel to disable the interrupt or vblank events to happen at the wrong time. So save/restore them properly. Signed-off-by: Dave Airlie --- drivers/char/drm/i915_drv.c | 7 +++++++ drivers/char/drm/i915_drv.h | 5 +++++ 2 files changed, 12 insertions(+) (limited to 'drivers') diff --git a/drivers/char/drm/i915_drv.c b/drivers/char/drm/i915_drv.c index 52e51033d32..0f525ad536a 100644 --- a/drivers/char/drm/i915_drv.c +++ b/drivers/char/drm/i915_drv.c @@ -276,6 +276,7 @@ static int i915_suspend(struct drm_device *dev) dev_priv->saveDSPATILEOFF = I915_READ(DSPATILEOFF); } i915_save_palette(dev, PIPE_A); + dev_priv->savePIPEASTAT = I915_READ(I915REG_PIPEASTAT); /* Pipe & plane B info */ dev_priv->savePIPEBCONF = I915_READ(PIPEBCONF); @@ -303,6 +304,7 @@ static int i915_suspend(struct drm_device *dev) dev_priv->saveDSPBTILEOFF = I915_READ(DSPBTILEOFF); } i915_save_palette(dev, PIPE_B); + dev_priv->savePIPEBSTAT = I915_READ(I915REG_PIPEBSTAT); /* CRT state */ dev_priv->saveADPA = I915_READ(ADPA); @@ -329,6 +331,11 @@ static int i915_suspend(struct drm_device *dev) dev_priv->saveFBC_CONTROL2 = I915_READ(FBC_CONTROL2); dev_priv->saveFBC_CONTROL = I915_READ(FBC_CONTROL); + /* Interrupt state */ + dev_priv->saveIIR = I915_READ(I915REG_INT_IDENTITY_R); + dev_priv->saveIER = I915_READ(I915REG_INT_ENABLE_R); + dev_priv->saveIMR = I915_READ(I915REG_INT_MASK_R); + /* VGA state */ dev_priv->saveVCLK_DIVISOR_VGA0 = I915_READ(VCLK_DIVISOR_VGA0); dev_priv->saveVCLK_DIVISOR_VGA1 = I915_READ(VCLK_DIVISOR_VGA1); diff --git a/drivers/char/drm/i915_drv.h b/drivers/char/drm/i915_drv.h index 786460d6b1a..360f6600427 100644 --- a/drivers/char/drm/i915_drv.h +++ b/drivers/char/drm/i915_drv.h @@ -134,6 +134,7 @@ typedef struct drm_i915_private { u32 saveVBLANK_A; u32 saveVSYNC_A; u32 saveBCLRPAT_A; + u32 savePIPEASTAT; u32 saveDSPASTRIDE; u32 saveDSPASIZE; u32 saveDSPAPOS; @@ -154,6 +155,7 @@ typedef struct drm_i915_private { u32 saveVBLANK_B; u32 saveVSYNC_B; u32 saveBCLRPAT_B; + u32 savePIPEBSTAT; u32 saveDSPBSTRIDE; u32 saveDSPBSIZE; u32 saveDSPBPOS; @@ -182,6 +184,9 @@ typedef struct drm_i915_private { u32 saveFBC_LL_BASE; u32 saveFBC_CONTROL; u32 saveFBC_CONTROL2; + u32 saveIER; + u32 saveIIR; + u32 saveIMR; u32 saveSWF0[16]; u32 saveSWF1[16]; u32 saveSWF2[3]; -- cgit v1.2.3 From c0c4261b6fd80f0fc5546ed67058592469a4f5b7 Mon Sep 17 00:00:00 2001 From: Jesse Barnes Date: Thu, 7 Feb 2008 17:33:28 -0800 Subject: drm/i915: restore pipeconf regs unconditionally On many chipsets, the checks for DPLL enable or VGA mode will prevent the pipeconf regs from being restored, which could result in a blank display or X failing to come back after resume. So restore them unconditionally along with actually restoring pipe B's palette correctly. Signed-off-by: Dave Airlie --- drivers/char/drm/i915_drv.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/char/drm/i915_drv.c b/drivers/char/drm/i915_drv.c index 0f525ad536a..248e7b1c46a 100644 --- a/drivers/char/drm/i915_drv.c +++ b/drivers/char/drm/i915_drv.c @@ -407,9 +407,7 @@ static int i915_resume(struct drm_device *dev) I915_WRITE(DSPATILEOFF, dev_priv->saveDSPATILEOFF); } - if ((dev_priv->saveDPLL_A & DPLL_VCO_ENABLE) && - (dev_priv->saveDPLL_A & DPLL_VGA_MODE_DIS)) - I915_WRITE(PIPEACONF, dev_priv->savePIPEACONF); + I915_WRITE(PIPEACONF, dev_priv->savePIPEACONF); i915_restore_palette(dev, PIPE_A); /* Enable the plane */ @@ -451,10 +449,9 @@ static int i915_resume(struct drm_device *dev) I915_WRITE(DSPBTILEOFF, dev_priv->saveDSPBTILEOFF); } - if ((dev_priv->saveDPLL_B & DPLL_VCO_ENABLE) && - (dev_priv->saveDPLL_B & DPLL_VGA_MODE_DIS)) - I915_WRITE(PIPEBCONF, dev_priv->savePIPEBCONF); - i915_restore_palette(dev, PIPE_A); + I915_WRITE(PIPEBCONF, dev_priv->savePIPEBCONF); + + i915_restore_palette(dev, PIPE_B); /* Enable the plane */ I915_WRITE(DSPBCNTR, dev_priv->saveDSPBCNTR); I915_WRITE(DSPBBASE, I915_READ(DSPBBASE)); -- cgit v1.2.3 From 1f84e550a870bf5f5f399b611db68f3324ea7883 Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Sat, 16 Feb 2008 19:19:29 -0800 Subject: drm/i915 more registers for S3 (DSPCLK_GATE_D, CACHE_MODE_0, MI_ARB_STATE) Failing to preserve the MI_ARB_STATE register was causing FIFO underruns on the VGA output on my HP 2510p after resume. Signed-off-by: Dave Airlie --- drivers/char/drm/i915_drv.c | 18 ++++++++++++++++++ drivers/char/drm/i915_drv.h | 10 ++++++++++ 2 files changed, 28 insertions(+) (limited to 'drivers') diff --git a/drivers/char/drm/i915_drv.c b/drivers/char/drm/i915_drv.c index 248e7b1c46a..5025f5b0241 100644 --- a/drivers/char/drm/i915_drv.c +++ b/drivers/char/drm/i915_drv.c @@ -342,6 +342,15 @@ static int i915_suspend(struct drm_device *dev) dev_priv->saveVCLK_POST_DIV = I915_READ(VCLK_POST_DIV); dev_priv->saveVGACNTRL = I915_READ(VGACNTRL); + /* Clock gating state */ + dev_priv->saveDSPCLK_GATE_D = I915_READ(DSPCLK_GATE_D); + + /* Cache mode state */ + dev_priv->saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0); + + /* Memory Arbitration state */ + dev_priv->saveMI_ARB_STATE = I915_READ(MI_ARB_STATE); + /* Scratch space */ for (i = 0; i < 16; i++) { dev_priv->saveSWF0[i] = I915_READ(SWF0 + (i << 2)); @@ -489,6 +498,15 @@ static int i915_resume(struct drm_device *dev) I915_WRITE(VCLK_POST_DIV, dev_priv->saveVCLK_POST_DIV); udelay(150); + /* Clock gating state */ + I915_WRITE (DSPCLK_GATE_D, dev_priv->saveDSPCLK_GATE_D); + + /* Cache mode state */ + I915_WRITE (CACHE_MODE_0, dev_priv->saveCACHE_MODE_0 | 0xffff0000); + + /* Memory arbitration state */ + I915_WRITE (MI_ARB_STATE, dev_priv->saveMI_ARB_STATE | 0xffff0000); + for (i = 0; i < 16; i++) { I915_WRITE(SWF0 + (i << 2), dev_priv->saveSWF0[i]); I915_WRITE(SWF10 + (i << 2), dev_priv->saveSWF1[i+7]); diff --git a/drivers/char/drm/i915_drv.h b/drivers/char/drm/i915_drv.h index 360f6600427..c10d128e34d 100644 --- a/drivers/char/drm/i915_drv.h +++ b/drivers/char/drm/i915_drv.h @@ -187,6 +187,9 @@ typedef struct drm_i915_private { u32 saveIER; u32 saveIIR; u32 saveIMR; + u32 saveCACHE_MODE_0; + u32 saveDSPCLK_GATE_D; + u32 saveMI_ARB_STATE; u32 saveSWF0[16]; u32 saveSWF1[16]; u32 saveSWF2[3]; @@ -455,6 +458,10 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); */ #define DMA_FADD_S 0x20d4 +/* Memory Interface Arbitration State + */ +#define MI_ARB_STATE 0x20e4 + /* Cache mode 0 reg. * - Manipulating render cache behaviour is central * to the concept of zone rendering, tuning this reg can help avoid @@ -465,6 +472,7 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); * bit of interest either set or cleared. EG: (BIT<<16) | BIT to set. */ #define Cache_Mode_0 0x2120 +#define CACHE_MODE_0 0x2120 #define CM0_MASK_SHIFT 16 #define CM0_IZ_OPT_DISABLE (1<<6) #define CM0_ZR_OPT_DISABLE (1<<5) @@ -660,6 +668,8 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); /** P1 value is 2 greater than this field */ # define VGA0_PD_P1_MASK (0x1f << 0) +#define DSPCLK_GATE_D 0x6200 + /* I830 CRTC registers */ #define HTOTAL_A 0x60000 #define HBLANK_A 0x60004 -- cgit v1.2.3 From da636ad6a0d72eb5cb99738056af0bcc3db9ef9d Mon Sep 17 00:00:00 2001 From: Jesse Barnes Date: Mon, 28 Jan 2008 21:05:22 -0800 Subject: drm/i915: Fix hibernate save/restore of VGA attribute regs In hibernate, we may end up calling the VGA save regs function twice, so we need to make sure it's idempotent. That means leaving ARX in index mode after the first save operation. Fixes hibernate on 965. Signed-off-by: Dave Airlie --- drivers/char/drm/i915_drv.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/char/drm/i915_drv.c b/drivers/char/drm/i915_drv.c index 5025f5b0241..35758a6c8b0 100644 --- a/drivers/char/drm/i915_drv.c +++ b/drivers/char/drm/i915_drv.c @@ -160,6 +160,7 @@ static void i915_save_vga(struct drm_device *dev) dev_priv->saveAR[i] = i915_read_ar(st01, i, 0); inb(st01); outb(dev_priv->saveAR_INDEX, VGA_AR_INDEX); + inb(st01); /* Graphics controller registers */ for (i = 0; i < 9; i++) @@ -225,6 +226,7 @@ static void i915_restore_vga(struct drm_device *dev) i915_write_ar(st01, i, dev_priv->saveAR[i], 0); inb(st01); /* switch back to index mode */ outb(dev_priv->saveAR_INDEX | 0x20, VGA_AR_INDEX); + inb(st01); /* VGA color palette registers */ outb(dev_priv->saveDACMASK, VGA_DACMASK); -- cgit v1.2.3 From e03f1a842287480aa03732612148c0d333baca61 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Tue, 19 Feb 2008 19:44:19 +0000 Subject: dm-raid1.c: fix NULL dereferences This patch fixes two NULL dereferences introduced by commit 06386bbfd2441416875d0403d405c56822f6ebac and spotted by the Coverity checker. Signed-off-by: Adrian Bunk Signed-off-by: Alasdair G Kergon Signed-off-by: Linus Torvalds --- drivers/md/dm-raid1.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index 2928ef22810..51605870f89 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -1695,14 +1695,15 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, * information for a retry or there was no other * mirror in-sync. */ - DMERR_LIMIT("Mirror read failed from %s.", - m->dev->name); + DMERR_LIMIT("Mirror read failed."); return -EIO; } + + m = read_record->m; + DMERR("Mirror read failed from %s. Trying alternative device.", m->dev->name); - m = read_record->m; fail_mirror(m, DM_RAID1_READ_ERROR); /* -- cgit v1.2.3 From b932ccb5674eb649133b5c33950405c37d17aab3 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Wed, 20 Feb 2008 10:02:20 +1000 Subject: drm: add support for passing state into the suspend hooks. fix i915 driver to use state for hibernate save avoidance. Signed-off-by: Dave Airlie --- drivers/char/drm/drmP.h | 2 +- drivers/char/drm/drm_sysfs.c | 2 +- drivers/char/drm/i915_drv.c | 13 +++++++++---- 3 files changed, 11 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h index 19d3be5c4b2..a6789f25009 100644 --- a/drivers/char/drm/drmP.h +++ b/drivers/char/drm/drmP.h @@ -568,7 +568,7 @@ struct drm_driver { void (*postclose) (struct drm_device *, struct drm_file *); void (*lastclose) (struct drm_device *); int (*unload) (struct drm_device *); - int (*suspend) (struct drm_device *); + int (*suspend) (struct drm_device *, pm_message_t state); int (*resume) (struct drm_device *); int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv); void (*dma_ready) (struct drm_device *); diff --git a/drivers/char/drm/drm_sysfs.c b/drivers/char/drm/drm_sysfs.c index fa36153619e..05ed5043254 100644 --- a/drivers/char/drm/drm_sysfs.c +++ b/drivers/char/drm/drm_sysfs.c @@ -36,7 +36,7 @@ static int drm_sysfs_suspend(struct device *dev, pm_message_t state) printk(KERN_ERR "%s\n", __FUNCTION__); if (drm_dev->driver->suspend) - return drm_dev->driver->suspend(drm_dev); + return drm_dev->driver->suspend(drm_dev, state); return 0; } diff --git a/drivers/char/drm/i915_drv.c b/drivers/char/drm/i915_drv.c index 35758a6c8b0..4048f39b7ee 100644 --- a/drivers/char/drm/i915_drv.c +++ b/drivers/char/drm/i915_drv.c @@ -238,7 +238,7 @@ static void i915_restore_vga(struct drm_device *dev) } -static int i915_suspend(struct drm_device *dev) +static int i915_suspend(struct drm_device *dev, pm_message_t state) { struct drm_i915_private *dev_priv = dev->dev_private; int i; @@ -249,6 +249,9 @@ static int i915_suspend(struct drm_device *dev) return -ENODEV; } + if (state.event == PM_EVENT_PRETHAW) + return 0; + pci_save_state(dev->pdev); pci_read_config_byte(dev->pdev, LBB, &dev_priv->saveLBB); @@ -363,9 +366,11 @@ static int i915_suspend(struct drm_device *dev) i915_save_vga(dev); - /* Shut down the device */ - pci_disable_device(dev->pdev); - pci_set_power_state(dev->pdev, PCI_D3hot); + if (state.event == PM_EVENT_SUSPEND) { + /* Shut down the device */ + pci_disable_device(dev->pdev); + pci_set_power_state(dev->pdev, PCI_D3hot); + } return 0; } -- cgit v1.2.3 From f9e9716a67fbea4594749bf1022fdfd0b96099db Mon Sep 17 00:00:00 2001 From: Mirko Date: Wed, 20 Feb 2008 10:07:57 +1000 Subject: drm: add new rv380 pciid Signed-off-by: Dave Airlie --- drivers/char/drm/drm_pciids.h | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/char/drm/drm_pciids.h b/drivers/char/drm/drm_pciids.h index 5de6f8788b6..874af6ff149 100644 --- a/drivers/char/drm/drm_pciids.h +++ b/drivers/char/drm/drm_pciids.h @@ -83,6 +83,7 @@ {0x1002, 0x5460, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY}, \ {0x1002, 0x5462, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY}, \ {0x1002, 0x5464, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY}, \ + {0x1002, 0x5657, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_NEW_MEMMAP}, \ {0x1002, 0x5548, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_NEW_MEMMAP}, \ {0x1002, 0x5549, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_NEW_MEMMAP}, \ {0x1002, 0x554A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_NEW_MEMMAP}, \ -- cgit v1.2.3 From feac7af508ebdfe1db9920d4e45d0ffd286abe75 Mon Sep 17 00:00:00 2001 From: Chaoyu Chen Date: Wed, 20 Feb 2008 10:12:39 +1000 Subject: drm/sis: add pciid for SiS 662/671 chipset Signed-off-by: Dave Airlie --- drivers/char/drm/drm_pciids.h | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/char/drm/drm_pciids.h b/drivers/char/drm/drm_pciids.h index 874af6ff149..715b361f0c2 100644 --- a/drivers/char/drm/drm_pciids.h +++ b/drivers/char/drm/drm_pciids.h @@ -315,6 +315,7 @@ {0x1039, 0x5300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ {0x1039, 0x6300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ {0x1039, 0x6330, PCI_ANY_ID, PCI_ANY_ID, 0, 0, SIS_CHIP_315}, \ + {0x1039, 0x6351, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ {0x1039, 0x7300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ {0x18CA, 0x0040, PCI_ANY_ID, PCI_ANY_ID, 0, 0, SIS_CHIP_315}, \ {0x18CA, 0x0042, PCI_ANY_ID, PCI_ANY_ID, 0, 0, SIS_CHIP_315}, \ -- cgit v1.2.3 From 2e374748c73f34e018a1c13a86a96a15fc55a65a Mon Sep 17 00:00:00 2001 From: Chaoyu Chen Date: Wed, 20 Feb 2008 10:18:46 +1000 Subject: agp: add support for 662/671 to agp driver Signed-off-by: Dave Airlie --- drivers/char/agp/sis-agp.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'drivers') diff --git a/drivers/char/agp/sis-agp.c b/drivers/char/agp/sis-agp.c index 6cf54fe6020..b6791846809 100644 --- a/drivers/char/agp/sis-agp.c +++ b/drivers/char/agp/sis-agp.c @@ -14,6 +14,9 @@ #define SIS_TLBCNTRL 0x97 #define SIS_TLBFLUSH 0x98 +#define PCI_DEVICE_ID_SI_662 0x0662 +#define PCI_DEVICE_ID_SI_671 0x0671 + static int __devinitdata agp_sis_force_delay = 0; static int __devinitdata agp_sis_agp_spec = -1; @@ -347,6 +350,22 @@ static struct pci_device_id agp_sis_pci_table[] = { .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, }, + { + .class = (PCI_CLASS_BRIDGE_HOST << 8), + .class_mask = ~0, + .vendor = PCI_VENDOR_ID_SI, + .device = PCI_DEVICE_ID_SI_662, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + }, + { + .class = (PCI_CLASS_BRIDGE_HOST << 8), + .class_mask = ~0, + .vendor = PCI_VENDOR_ID_SI, + .device = PCI_DEVICE_ID_SI_671, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + }, { .class = (PCI_CLASS_BRIDGE_HOST << 8), .class_mask = ~0, -- cgit v1.2.3 From 44a207fc66c13c82f627178f9f858b8f3e76028f Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Wed, 20 Feb 2008 10:37:08 +1000 Subject: agp: fix missing casts that produced a warning. Signed-off-by: Dave Airlie --- drivers/char/agp/amd-k7-agp.c | 4 ++-- drivers/char/agp/ati-agp.c | 4 ++-- drivers/char/agp/sworks-agp.c | 4 ++-- 3 files changed, 6 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/char/agp/amd-k7-agp.c b/drivers/char/agp/amd-k7-agp.c index fca4d7f3044..d2866999214 100644 --- a/drivers/char/agp/amd-k7-agp.c +++ b/drivers/char/agp/amd-k7-agp.c @@ -54,7 +54,7 @@ static int amd_create_page_map(struct amd_page_map *page_map) } global_cache_flush(); #else - set_memory_uc(page_map->real, 1); + set_memory_uc((unsigned long)page_map->real, 1); page_map->remapped = page_map->real; #endif @@ -72,7 +72,7 @@ static void amd_free_page_map(struct amd_page_map *page_map) iounmap(page_map->remapped); ClearPageReserved(virt_to_page(page_map->real)); #else - set_memory_wb(page_map->real, 1); + set_memory_wb((unsigned long)page_map->real, 1); #endif free_page((unsigned long) page_map->real); } diff --git a/drivers/char/agp/ati-agp.c b/drivers/char/agp/ati-agp.c index 9ac3bef3bb7..55c97f62324 100644 --- a/drivers/char/agp/ati-agp.c +++ b/drivers/char/agp/ati-agp.c @@ -60,7 +60,7 @@ static int ati_create_page_map(struct ati_page_map *page_map) if (page_map->real == NULL) return -ENOMEM; - set_memory_uc(page_map->real, 1); + set_memory_uc((unsigned long)page_map->real, 1); err = map_page_into_agp(virt_to_page(page_map->real)); page_map->remapped = page_map->real; @@ -76,7 +76,7 @@ static int ati_create_page_map(struct ati_page_map *page_map) static void ati_free_page_map(struct ati_page_map *page_map) { unmap_page_from_agp(virt_to_page(page_map->real)); - set_memory_wb(page_map->real, 1); + set_memory_wb((unsigned long)page_map->real, 1); free_page((unsigned long) page_map->real); } diff --git a/drivers/char/agp/sworks-agp.c b/drivers/char/agp/sworks-agp.c index ae06f898206..e08934e58f3 100644 --- a/drivers/char/agp/sworks-agp.c +++ b/drivers/char/agp/sworks-agp.c @@ -53,7 +53,7 @@ static int serverworks_create_page_map(struct serverworks_page_map *page_map) return -ENOMEM; } - set_memory_uc(page_map->real, 1); + set_memory_uc((unsigned long)page_map->real, 1); page_map->remapped = page_map->real; for (i = 0; i < PAGE_SIZE / sizeof(unsigned long); i++) @@ -65,7 +65,7 @@ static int serverworks_create_page_map(struct serverworks_page_map *page_map) static void serverworks_free_page_map(struct serverworks_page_map *page_map) { - set_memory_wb(page_map->real, 1); + set_memory_wb((unsigned long)page_map->real, 1); free_page((unsigned long) page_map->real); } -- cgit v1.2.3 From 6133116849219f4e657ead39c7ac3922583f5a6e Mon Sep 17 00:00:00 2001 From: Pavel Machek Date: Tue, 19 Feb 2008 11:00:29 +0100 Subject: ACPI: TSC breaks atkbd suspend TSC is used even on machines when CONFIG_X86_TSC is not set (X86_TSC means _require_ TSC), but it is not properly disabled when it is unusable, because ACPI code understood the config switch as "may use TSC". This actually fixes suspend problems on my x60. Signed-off-by: Pavel Machek Signed-off-by: Len Brown --- drivers/acpi/processor_idle.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 980e1c33e6c..6f3b217699e 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -364,7 +364,7 @@ int acpi_processor_resume(struct acpi_device * device) return 0; } -#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86_TSC) +#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86) static int tsc_halts_in_c(int state) { switch (boot_cpu_data.x86_vendor) { @@ -544,7 +544,7 @@ static void acpi_processor_idle(void) /* Get end time (ticks) */ t2 = inl(acpi_gbl_FADT.xpm_timer_block.address); -#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86_TSC) +#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86) /* TSC halts in C2, so notify users */ if (tsc_halts_in_c(ACPI_STATE_C2)) mark_tsc_unstable("possible TSC halt in C2"); @@ -609,7 +609,7 @@ static void acpi_processor_idle(void) acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0); } -#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86_TSC) +#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86) /* TSC halts in C3, so notify users */ if (tsc_halts_in_c(ACPI_STATE_C3)) mark_tsc_unstable("TSC halts in C3"); @@ -1500,7 +1500,7 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev, acpi_idle_do_entry(cx); t2 = inl(acpi_gbl_FADT.xpm_timer_block.address); -#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86_TSC) +#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86) /* TSC could halt in idle, so notify users */ if (tsc_halts_in_c(cx->type)) mark_tsc_unstable("TSC halts in idle");; @@ -1614,7 +1614,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, spin_unlock(&c3_lock); } -#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86_TSC) +#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86) /* TSC could halt in idle, so notify users */ if (tsc_halts_in_c(ACPI_STATE_C3)) mark_tsc_unstable("TSC halts in idle"); -- cgit v1.2.3 From fa907895b7b776208a1406efe5ba7ffe0f49f507 Mon Sep 17 00:00:00 2001 From: Matheos Worku Date: Wed, 20 Feb 2008 00:18:09 -0800 Subject: [NIU]: More BMAC alt MAC address fixes. From: Matheos Worku 1) niu_enable_alt_mac() needs to be adjusted so that the mask is computed properly for the BMAC case. 2) BMAC has 6 alt MAC addresses available, not 7. Signed-off-by: David S. Miller --- drivers/net/niu.c | 9 +++++---- drivers/net/niu.h | 2 +- 2 files changed, 6 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/net/niu.c b/drivers/net/niu.c index e98ce1e4965..d11ba61baa4 100644 --- a/drivers/net/niu.c +++ b/drivers/net/niu.c @@ -1616,12 +1616,13 @@ static int niu_enable_alt_mac(struct niu *np, int index, int on) if (index >= niu_num_alt_addr(np)) return -EINVAL; - if (np->flags & NIU_FLAGS_XMAC) + if (np->flags & NIU_FLAGS_XMAC) { reg = XMAC_ADDR_CMPEN; - else + mask = 1 << index; + } else { reg = BMAC_ADDR_CMPEN; - - mask = 1 << index; + mask = 1 << (index + 1); + } val = nr64_mac(reg); if (on) diff --git a/drivers/net/niu.h b/drivers/net/niu.h index 0e8626adc57..59dc05fcd37 100644 --- a/drivers/net/niu.h +++ b/drivers/net/niu.h @@ -499,7 +499,7 @@ #define BMAC_ADDR2 0x00110UL #define BMAC_ADDR2_ADDR2 0x000000000000ffffULL -#define BMAC_NUM_ALT_ADDR 7 +#define BMAC_NUM_ALT_ADDR 6 #define BMAC_ALT_ADDR0(NUM) (0x00118UL + (NUM)*0x18UL) #define BMAC_ALT_ADDR0_ADDR0 0x000000000000ffffULL -- cgit v1.2.3 From c15853f2c1c9baaa27bbc494cd183be96f6d9bb9 Mon Sep 17 00:00:00 2001 From: Daniel Lezcano Date: Wed, 20 Feb 2008 00:21:47 -0800 Subject: veth: fix dev refcount race When deleting the veth driver, veth_close calls netif_carrier_off for the two extremities of the network device. netif_carrier_off on the peer device will fire an event and hold a reference on the peer device. Just after, the peer is unregistered taking the rtnl_lock while the linkwatch_event is scheduled. If __linkwatch_run_queue does not occurs before the unregistering, unregister_netdevice will wait for the dev refcount to reach zero holding the rtnl_lock and linkwatch_event will wait for the rtnl_lock and hold the dev refcount. Signed-off-by: Daniel Lezcano Signed-off-by: David S. Miller --- drivers/net/veth.c | 53 ++++++++++++++++++++++++++++++++++++++++------------- 1 file changed, 40 insertions(+), 13 deletions(-) (limited to 'drivers') diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 3f67a29593b..e2ad98bee6e 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -244,18 +244,6 @@ static int veth_open(struct net_device *dev) return 0; } -static int veth_close(struct net_device *dev) -{ - struct veth_priv *priv; - - if (netif_carrier_ok(dev)) { - priv = netdev_priv(dev); - netif_carrier_off(dev); - netif_carrier_off(priv->peer); - } - return 0; -} - static int veth_dev_init(struct net_device *dev) { struct veth_net_stats *stats; @@ -286,13 +274,50 @@ static void veth_setup(struct net_device *dev) dev->hard_start_xmit = veth_xmit; dev->get_stats = veth_get_stats; dev->open = veth_open; - dev->stop = veth_close; dev->ethtool_ops = &veth_ethtool_ops; dev->features |= NETIF_F_LLTX; dev->init = veth_dev_init; dev->destructor = veth_dev_free; } +static void veth_change_state(struct net_device *dev) +{ + struct net_device *peer; + struct veth_priv *priv; + + priv = netdev_priv(dev); + peer = priv->peer; + + if (netif_carrier_ok(peer)) { + if (!netif_carrier_ok(dev)) + netif_carrier_on(dev); + } else { + if (netif_carrier_ok(dev)) + netif_carrier_off(dev); + } +} + +static int veth_device_event(struct notifier_block *unused, + unsigned long event, void *ptr) +{ + struct net_device *dev = ptr; + + if (dev->open != veth_open) + goto out; + + switch (event) { + case NETDEV_CHANGE: + veth_change_state(dev); + break; + } +out: + return NOTIFY_DONE; +} + +static struct notifier_block veth_notifier_block __read_mostly = { + .notifier_call = veth_device_event, +}; + /* * netlink interface */ @@ -454,12 +479,14 @@ static struct rtnl_link_ops veth_link_ops = { static __init int veth_init(void) { + register_netdevice_notifier(&veth_notifier_block); return rtnl_link_register(&veth_link_ops); } static __exit void veth_exit(void) { rtnl_link_unregister(&veth_link_ops); + unregister_netdevice_notifier(&veth_notifier_block); } module_init(veth_init); -- cgit v1.2.3 From cb616dd5bb6ddadf3e0607696b18055065ce4c3d Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Thu, 14 Feb 2008 09:36:32 -0800 Subject: ata: fix sparse warnings in pata_legacy.c Use ld_qdi and ld_winbond to avoid shadowing static int variables qdi and winbond. The ld_ prefix refers to legacy_data. drivers/ata/pata_legacy.c:777:21: warning: symbol 'qdi' shadows an earlier one drivers/ata/pata_legacy.c:128:12: originally declared here drivers/ata/pata_legacy.c:811:21: warning: symbol 'qdi' shadows an earlier one drivers/ata/pata_legacy.c:128:12: originally declared here drivers/ata/pata_legacy.c:848:21: warning: symbol 'qdi' shadows an earlier one drivers/ata/pata_legacy.c:128:12: originally declared here drivers/ata/pata_legacy.c:882:21: warning: symbol 'qdi' shadows an earlier one drivers/ata/pata_legacy.c:128:12: originally declared here drivers/ata/pata_legacy.c:1040:21: warning: symbol 'winbond' shadows an earlier one drivers/ata/pata_legacy.c:129:12: originally declared here Signed-off-by: Harvey Harrison Signed-off-by: Jeff Garzik --- drivers/ata/pata_legacy.c | 44 ++++++++++++++++++++++---------------------- 1 file changed, 22 insertions(+), 22 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c index d2177f75078..50fe08ebe23 100644 --- a/drivers/ata/pata_legacy.c +++ b/drivers/ata/pata_legacy.c @@ -774,14 +774,14 @@ static struct ata_port_operations opti82c46x_port_ops = { static void qdi6500_set_piomode(struct ata_port *ap, struct ata_device *adev) { struct ata_timing t; - struct legacy_data *qdi = ap->host->private_data; + struct legacy_data *ld_qdi = ap->host->private_data; int active, recovery; u8 timing; /* Get the timing data in cycles */ ata_timing_compute(adev, adev->pio_mode, &t, 30303, 1000); - if (qdi->fast) { + if (ld_qdi->fast) { active = 8 - FIT(t.active, 1, 8); recovery = 18 - FIT(t.recover, 3, 18); } else { @@ -790,9 +790,9 @@ static void qdi6500_set_piomode(struct ata_port *ap, struct ata_device *adev) } timing = (recovery << 4) | active | 0x08; - qdi->clock[adev->devno] = timing; + ld_qdi->clock[adev->devno] = timing; - outb(timing, qdi->timing); + outb(timing, ld_qdi->timing); } /** @@ -808,14 +808,14 @@ static void qdi6500_set_piomode(struct ata_port *ap, struct ata_device *adev) static void qdi6580dp_set_piomode(struct ata_port *ap, struct ata_device *adev) { struct ata_timing t; - struct legacy_data *qdi = ap->host->private_data; + struct legacy_data *ld_qdi = ap->host->private_data; int active, recovery; u8 timing; /* Get the timing data in cycles */ ata_timing_compute(adev, adev->pio_mode, &t, 30303, 1000); - if (qdi->fast) { + if (ld_qdi->fast) { active = 8 - FIT(t.active, 1, 8); recovery = 18 - FIT(t.recover, 3, 18); } else { @@ -824,12 +824,12 @@ static void qdi6580dp_set_piomode(struct ata_port *ap, struct ata_device *adev) } timing = (recovery << 4) | active | 0x08; - qdi->clock[adev->devno] = timing; + ld_qdi->clock[adev->devno] = timing; - outb(timing, qdi->timing + 2 * ap->port_no); + outb(timing, ld_qdi->timing + 2 * ap->port_no); /* Clear the FIFO */ if (adev->class != ATA_DEV_ATA) - outb(0x5F, qdi->timing + 3); + outb(0x5F, ld_qdi->timing + 3); } /** @@ -845,14 +845,14 @@ static void qdi6580dp_set_piomode(struct ata_port *ap, struct ata_device *adev) static void qdi6580_set_piomode(struct ata_port *ap, struct ata_device *adev) { struct ata_timing t; - struct legacy_data *qdi = ap->host->private_data; + struct legacy_data *ld_qdi = ap->host->private_data; int active, recovery; u8 timing; /* Get the timing data in cycles */ ata_timing_compute(adev, adev->pio_mode, &t, 30303, 1000); - if (qdi->fast) { + if (ld_qdi->fast) { active = 8 - FIT(t.active, 1, 8); recovery = 18 - FIT(t.recover, 3, 18); } else { @@ -860,11 +860,11 @@ static void qdi6580_set_piomode(struct ata_port *ap, struct ata_device *adev) recovery = 15 - FIT(t.recover, 0, 15); } timing = (recovery << 4) | active | 0x08; - qdi->clock[adev->devno] = timing; - outb(timing, qdi->timing + 2 * adev->devno); + ld_qdi->clock[adev->devno] = timing; + outb(timing, ld_qdi->timing + 2 * adev->devno); /* Clear the FIFO */ if (adev->class != ATA_DEV_ATA) - outb(0x5F, qdi->timing + 3); + outb(0x5F, ld_qdi->timing + 3); } /** @@ -879,12 +879,12 @@ static unsigned int qdi_qc_issue_prot(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; struct ata_device *adev = qc->dev; - struct legacy_data *qdi = ap->host->private_data; + struct legacy_data *ld_qdi = ap->host->private_data; - if (qdi->clock[adev->devno] != qdi->last) { + if (ld_qdi->clock[adev->devno] != ld_qdi->last) { if (adev->pio_mode) { - qdi->last = qdi->clock[adev->devno]; - outb(qdi->clock[adev->devno], qdi->timing + + ld_qdi->last = ld_qdi->clock[adev->devno]; + outb(ld_qdi->clock[adev->devno], ld_qdi->timing + 2 * ap->port_no); } } @@ -1037,12 +1037,12 @@ static u8 winbond_readcfg(unsigned long port, u8 reg) static void winbond_set_piomode(struct ata_port *ap, struct ata_device *adev) { struct ata_timing t; - struct legacy_data *winbond = ap->host->private_data; + struct legacy_data *ld_winbond = ap->host->private_data; int active, recovery; u8 reg; int timing = 0x88 + (ap->port_no * 4) + (adev->devno * 2); - reg = winbond_readcfg(winbond->timing, 0x81); + reg = winbond_readcfg(ld_winbond->timing, 0x81); /* Get the timing data in cycles */ if (reg & 0x40) /* Fast VLB bus, assume 50MHz */ @@ -1053,7 +1053,7 @@ static void winbond_set_piomode(struct ata_port *ap, struct ata_device *adev) active = (FIT(t.active, 3, 17) - 1) & 0x0F; recovery = (FIT(t.recover, 1, 15) + 1) & 0x0F; timing = (active << 4) | recovery; - winbond_writecfg(winbond->timing, timing, reg); + winbond_writecfg(ld_winbond->timing, timing, reg); /* Load the setup timing */ @@ -1063,7 +1063,7 @@ static void winbond_set_piomode(struct ata_port *ap, struct ata_device *adev) if (!ata_pio_need_iordy(adev)) reg |= 0x02; /* IORDY off */ reg |= (FIT(t.setup, 0, 3) << 6); - winbond_writecfg(winbond->timing, timing + 1, reg); + winbond_writecfg(ld_winbond->timing, timing + 1, reg); } static int winbond_port(struct platform_device *dev, -- cgit v1.2.3 From 2e7e1214defe7783c8187962bacdd0a87a7dbeee Mon Sep 17 00:00:00 2001 From: Martin Michlmayr Date: Sat, 16 Feb 2008 18:15:27 +0100 Subject: sata_mv: Define module alias for platform device The sata_mv driver can be loaded as a platform device, as is done by various Orion (ARM) based devices. The driver needs to define a module alias for the platform driver so udev will load it automatically. Tested with Debian on a QNAP TS-209. Signed-off-by: Martin Michlmayr Acked-by: Mark Lord Signed-off-by: Jeff Garzik --- drivers/ata/sata_mv.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 1c1fbf375d9..0c0057e76a6 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -3194,6 +3194,7 @@ MODULE_DESCRIPTION("SCSI low-level driver for Marvell SATA controllers"); MODULE_LICENSE("GPL"); MODULE_DEVICE_TABLE(pci, mv_pci_tbl); MODULE_VERSION(DRV_VERSION); +MODULE_ALIAS("platform:sata_mv"); #ifdef CONFIG_PCI module_param(msi, int, 0444); -- cgit v1.2.3 From 0fca0d6f2ce3336022a22bc7fc2e009e599e63a4 Mon Sep 17 00:00:00 2001 From: Saeed Bishara Date: Wed, 13 Feb 2008 10:09:09 -1100 Subject: sata_mv: use hpriv->base instead of the host->iomap this fixes crash bug as the iomap table is not valid for integrated controllers. Signed-off-by: Saeed Bishara Acked-by: Mark Lord Signed-off-by: Jeff Garzik --- drivers/ata/sata_mv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 0c0057e76a6..eb97dde28d4 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -870,7 +870,7 @@ static void mv_start_dma(struct ata_port *ap, void __iomem *port_mmio, struct mv_host_priv *hpriv = ap->host->private_data; int hard_port = mv_hardport_from_port(ap->port_no); void __iomem *hc_mmio = mv_hc_base_from_port( - ap->host->iomap[MV_PRIMARY_BAR], hard_port); + mv_host_base(ap->host), hard_port); u32 hc_irq_cause, ipending; /* clear EDMA event indicators, if any */ -- cgit v1.2.3 From 332673257056d8be8a69d759eda90a799af5472d Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 13 Feb 2008 09:15:09 +0900 Subject: libata: implement libata.force module parameter This patch implements libata.force module parameter which can selectively override ATA port, link and device configurations including cable type, SATA PHY SPD limit, transfer mode and NCQ. For example, you can say "use 1.5Gbps for all fan-out ports attached to the second port but allow 3.0Gbps for the PMP device itself, oh, the device attached to the third fan-out port chokes on NCQ and shouldn't go over UDMA4" by the following. libata.force=2:1.5g,2.15:3.0g,2.03:noncq,udma4 Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- Documentation/kernel-parameters.txt | 35 ++++ drivers/ata/libata-core.c | 380 +++++++++++++++++++++++++++++++++++- drivers/ata/libata-eh.c | 8 +- drivers/ata/libata.h | 1 + 4 files changed, 420 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 7278295f94d..9a5b6658c65 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -950,6 +950,41 @@ and is between 256 and 4096 characters. It is defined in the file when set. Format: + libata.force= [LIBATA] Force configurations. The format is comma + separated list of "[ID:]VAL" where ID is + PORT[:DEVICE]. PORT and DEVICE are decimal numbers + matching port, link or device. Basically, it matches + the ATA ID string printed on console by libata. If + the whole ID part is omitted, the last PORT and DEVICE + values are used. If ID hasn't been specified yet, the + configuration applies to all ports, links and devices. + + If only DEVICE is omitted, the parameter applies to + the port and all links and devices behind it. DEVICE + number of 0 either selects the first device or the + first fan-out link behind PMP device. It does not + select the host link. DEVICE number of 15 selects the + host link and device attached to it. + + The VAL specifies the configuration to force. As long + as there's no ambiguity shortcut notation is allowed. + For example, both 1.5 and 1.5G would work for 1.5Gbps. + The following configurations can be forced. + + * Cable type: 40c, 80c, short40c, unk, ign or sata. + Any ID with matching PORT is used. + + * SATA link speed limit: 1.5Gbps or 3.0Gbps. + + * Transfer mode: pio[0-7], mwdma[0-4] and udma[0-7]. + udma[/][16,25,33,44,66,100,133] notation is also + allowed. + + * [no]ncq: Turn on or off NCQ. + + If there are multiple matching configurations changing + the same attribute, the last one is used. + load_ramdisk= [RAM] List of ramdisks to load from floppy See Documentation/ramdisk.txt. diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index def3682f416..60d1bb55697 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -87,6 +87,28 @@ static struct workqueue_struct *ata_wq; struct workqueue_struct *ata_aux_wq; +struct ata_force_param { + const char *name; + unsigned int cbl; + int spd_limit; + unsigned long xfer_mask; + unsigned int horkage_on; + unsigned int horkage_off; +}; + +struct ata_force_ent { + int port; + int device; + struct ata_force_param param; +}; + +static struct ata_force_ent *ata_force_tbl; +static int ata_force_tbl_size; + +static char ata_force_param_buf[PAGE_SIZE] __initdata; +module_param_string(force, ata_force_param_buf, sizeof(ata_force_param_buf), 0444); +MODULE_PARM_DESC(force, "Force ATA configurations including cable type, link speed and transfer mode (see Documentation/kernel-parameters.txt for details)"); + int atapi_enabled = 1; module_param(atapi_enabled, int, 0444); MODULE_PARM_DESC(atapi_enabled, "Enable discovery of ATAPI devices (0=off, 1=on)"); @@ -129,6 +151,179 @@ MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_VERSION); +/** + * ata_force_cbl - force cable type according to libata.force + * @link: ATA link of interest + * + * Force cable type according to libata.force and whine about it. + * The last entry which has matching port number is used, so it + * can be specified as part of device force parameters. For + * example, both "a:40c,1.00:udma4" and "1.00:40c,udma4" have the + * same effect. + * + * LOCKING: + * EH context. + */ +void ata_force_cbl(struct ata_port *ap) +{ + int i; + + for (i = ata_force_tbl_size - 1; i >= 0; i--) { + const struct ata_force_ent *fe = &ata_force_tbl[i]; + + if (fe->port != -1 && fe->port != ap->print_id) + continue; + + if (fe->param.cbl == ATA_CBL_NONE) + continue; + + ap->cbl = fe->param.cbl; + ata_port_printk(ap, KERN_NOTICE, + "FORCE: cable set to %s\n", fe->param.name); + return; + } +} + +/** + * ata_force_spd_limit - force SATA spd limit according to libata.force + * @link: ATA link of interest + * + * Force SATA spd limit according to libata.force and whine about + * it. When only the port part is specified (e.g. 1:), the limit + * applies to all links connected to both the host link and all + * fan-out ports connected via PMP. If the device part is + * specified as 0 (e.g. 1.00:), it specifies the first fan-out + * link not the host link. Device number 15 always points to the + * host link whether PMP is attached or not. + * + * LOCKING: + * EH context. + */ +static void ata_force_spd_limit(struct ata_link *link) +{ + int linkno, i; + + if (ata_is_host_link(link)) + linkno = 15; + else + linkno = link->pmp; + + for (i = ata_force_tbl_size - 1; i >= 0; i--) { + const struct ata_force_ent *fe = &ata_force_tbl[i]; + + if (fe->port != -1 && fe->port != link->ap->print_id) + continue; + + if (fe->device != -1 && fe->device != linkno) + continue; + + if (!fe->param.spd_limit) + continue; + + link->hw_sata_spd_limit = (1 << fe->param.spd_limit) - 1; + ata_link_printk(link, KERN_NOTICE, + "FORCE: PHY spd limit set to %s\n", fe->param.name); + return; + } +} + +/** + * ata_force_xfermask - force xfermask according to libata.force + * @dev: ATA device of interest + * + * Force xfer_mask according to libata.force and whine about it. + * For consistency with link selection, device number 15 selects + * the first device connected to the host link. + * + * LOCKING: + * EH context. + */ +static void ata_force_xfermask(struct ata_device *dev) +{ + int devno = dev->link->pmp + dev->devno; + int alt_devno = devno; + int i; + + /* allow n.15 for the first device attached to host port */ + if (ata_is_host_link(dev->link) && devno == 0) + alt_devno = 15; + + for (i = ata_force_tbl_size - 1; i >= 0; i--) { + const struct ata_force_ent *fe = &ata_force_tbl[i]; + unsigned long pio_mask, mwdma_mask, udma_mask; + + if (fe->port != -1 && fe->port != dev->link->ap->print_id) + continue; + + if (fe->device != -1 && fe->device != devno && + fe->device != alt_devno) + continue; + + if (!fe->param.xfer_mask) + continue; + + ata_unpack_xfermask(fe->param.xfer_mask, + &pio_mask, &mwdma_mask, &udma_mask); + if (udma_mask) + dev->udma_mask = udma_mask; + else if (mwdma_mask) { + dev->udma_mask = 0; + dev->mwdma_mask = mwdma_mask; + } else { + dev->udma_mask = 0; + dev->mwdma_mask = 0; + dev->pio_mask = pio_mask; + } + + ata_dev_printk(dev, KERN_NOTICE, + "FORCE: xfer_mask set to %s\n", fe->param.name); + return; + } +} + +/** + * ata_force_horkage - force horkage according to libata.force + * @dev: ATA device of interest + * + * Force horkage according to libata.force and whine about it. + * For consistency with link selection, device number 15 selects + * the first device connected to the host link. + * + * LOCKING: + * EH context. + */ +static void ata_force_horkage(struct ata_device *dev) +{ + int devno = dev->link->pmp + dev->devno; + int alt_devno = devno; + int i; + + /* allow n.15 for the first device attached to host port */ + if (ata_is_host_link(dev->link) && devno == 0) + alt_devno = 15; + + for (i = 0; i < ata_force_tbl_size; i++) { + const struct ata_force_ent *fe = &ata_force_tbl[i]; + + if (fe->port != -1 && fe->port != dev->link->ap->print_id) + continue; + + if (fe->device != -1 && fe->device != devno && + fe->device != alt_devno) + continue; + + if (!(~dev->horkage & fe->param.horkage_on) && + !(dev->horkage & fe->param.horkage_off)) + continue; + + dev->horkage |= fe->param.horkage_on; + dev->horkage &= ~fe->param.horkage_off; + + ata_dev_printk(dev, KERN_NOTICE, + "FORCE: horkage modified (%s)\n", fe->param.name); + } +} + /** * ata_tf_to_fis - Convert ATA taskfile to SATA FIS structure * @tf: Taskfile to convert @@ -2067,6 +2262,7 @@ int ata_dev_configure(struct ata_device *dev) /* set horkage */ dev->horkage |= ata_dev_blacklisted(dev); + ata_force_horkage(dev); /* let ACPI work its magic */ rc = ata_acpi_on_devcfg(dev); @@ -3150,6 +3346,7 @@ int ata_do_set_mode(struct ata_link *link, struct ata_device **r_failed_dev) mode_mask = ATA_DMA_MASK_CFA; ata_dev_xfermask(dev); + ata_force_xfermask(dev); pio_mask = ata_pack_xfermask(dev->pio_mask, 0, 0); dma_mask = ata_pack_xfermask(0, dev->mwdma_mask, dev->udma_mask); @@ -6497,7 +6694,8 @@ void ata_link_init(struct ata_port *ap, struct ata_link *link, int pmp) */ int sata_link_init_spd(struct ata_link *link) { - u32 scontrol, spd; + u32 scontrol; + u8 spd; int rc; rc = sata_scr_read(link, SCR_CONTROL, &scontrol); @@ -6508,6 +6706,8 @@ int sata_link_init_spd(struct ata_link *link) if (spd) link->hw_sata_spd_limit &= (1 << spd) - 1; + ata_force_spd_limit(link); + link->sata_spd_limit = link->hw_sata_spd_limit; return 0; @@ -7218,10 +7418,187 @@ int ata_pci_device_resume(struct pci_dev *pdev) #endif /* CONFIG_PCI */ +static int __init ata_parse_force_one(char **cur, + struct ata_force_ent *force_ent, + const char **reason) +{ + /* FIXME: Currently, there's no way to tag init const data and + * using __initdata causes build failure on some versions of + * gcc. Once __initdataconst is implemented, add const to the + * following structure. + */ + static struct ata_force_param force_tbl[] __initdata = { + { "40c", .cbl = ATA_CBL_PATA40 }, + { "80c", .cbl = ATA_CBL_PATA80 }, + { "short40c", .cbl = ATA_CBL_PATA40_SHORT }, + { "unk", .cbl = ATA_CBL_PATA_UNK }, + { "ign", .cbl = ATA_CBL_PATA_IGN }, + { "sata", .cbl = ATA_CBL_SATA }, + { "1.5Gbps", .spd_limit = 1 }, + { "3.0Gbps", .spd_limit = 2 }, + { "noncq", .horkage_on = ATA_HORKAGE_NONCQ }, + { "ncq", .horkage_off = ATA_HORKAGE_NONCQ }, + { "pio0", .xfer_mask = 1 << (ATA_SHIFT_PIO + 0) }, + { "pio1", .xfer_mask = 1 << (ATA_SHIFT_PIO + 1) }, + { "pio2", .xfer_mask = 1 << (ATA_SHIFT_PIO + 2) }, + { "pio3", .xfer_mask = 1 << (ATA_SHIFT_PIO + 3) }, + { "pio4", .xfer_mask = 1 << (ATA_SHIFT_PIO + 4) }, + { "pio5", .xfer_mask = 1 << (ATA_SHIFT_PIO + 5) }, + { "pio6", .xfer_mask = 1 << (ATA_SHIFT_PIO + 6) }, + { "mwdma0", .xfer_mask = 1 << (ATA_SHIFT_MWDMA + 0) }, + { "mwdma1", .xfer_mask = 1 << (ATA_SHIFT_MWDMA + 1) }, + { "mwdma2", .xfer_mask = 1 << (ATA_SHIFT_MWDMA + 2) }, + { "mwdma3", .xfer_mask = 1 << (ATA_SHIFT_MWDMA + 3) }, + { "mwdma4", .xfer_mask = 1 << (ATA_SHIFT_MWDMA + 4) }, + { "udma0", .xfer_mask = 1 << (ATA_SHIFT_UDMA + 0) }, + { "udma16", .xfer_mask = 1 << (ATA_SHIFT_UDMA + 0) }, + { "udma/16", .xfer_mask = 1 << (ATA_SHIFT_UDMA + 0) }, + { "udma1", .xfer_mask = 1 << (ATA_SHIFT_UDMA + 1) }, + { "udma25", .xfer_mask = 1 << (ATA_SHIFT_UDMA + 1) }, + { "udma/25", .xfer_mask = 1 << (ATA_SHIFT_UDMA + 1) }, + { "udma2", .xfer_mask = 1 << (ATA_SHIFT_UDMA + 2) }, + { "udma33", .xfer_mask = 1 << (ATA_SHIFT_UDMA + 2) }, + { "udma/33", .xfer_mask = 1 << (ATA_SHIFT_UDMA + 2) }, + { "udma3", .xfer_mask = 1 << (ATA_SHIFT_UDMA + 3) }, + { "udma44", .xfer_mask = 1 << (ATA_SHIFT_UDMA + 3) }, + { "udma/44", .xfer_mask = 1 << (ATA_SHIFT_UDMA + 3) }, + { "udma4", .xfer_mask = 1 << (ATA_SHIFT_UDMA + 4) }, + { "udma66", .xfer_mask = 1 << (ATA_SHIFT_UDMA + 4) }, + { "udma/66", .xfer_mask = 1 << (ATA_SHIFT_UDMA + 4) }, + { "udma5", .xfer_mask = 1 << (ATA_SHIFT_UDMA + 5) }, + { "udma100", .xfer_mask = 1 << (ATA_SHIFT_UDMA + 5) }, + { "udma/100", .xfer_mask = 1 << (ATA_SHIFT_UDMA + 5) }, + { "udma6", .xfer_mask = 1 << (ATA_SHIFT_UDMA + 6) }, + { "udma133", .xfer_mask = 1 << (ATA_SHIFT_UDMA + 6) }, + { "udma/133", .xfer_mask = 1 << (ATA_SHIFT_UDMA + 6) }, + { "udma7", .xfer_mask = 1 << (ATA_SHIFT_UDMA + 7) }, + }; + char *start = *cur, *p = *cur; + char *id, *val, *endp; + const struct ata_force_param *match_fp = NULL; + int nr_matches = 0, i; + + /* find where this param ends and update *cur */ + while (*p != '\0' && *p != ',') + p++; + + if (*p == '\0') + *cur = p; + else + *cur = p + 1; + + *p = '\0'; + + /* parse */ + p = strchr(start, ':'); + if (!p) { + val = strstrip(start); + goto parse_val; + } + *p = '\0'; + + id = strstrip(start); + val = strstrip(p + 1); + + /* parse id */ + p = strchr(id, '.'); + if (p) { + *p++ = '\0'; + force_ent->device = simple_strtoul(p, &endp, 10); + if (p == endp || *endp != '\0') { + *reason = "invalid device"; + return -EINVAL; + } + } + + force_ent->port = simple_strtoul(id, &endp, 10); + if (p == endp || *endp != '\0') { + *reason = "invalid port/link"; + return -EINVAL; + } + + parse_val: + /* parse val, allow shortcuts so that both 1.5 and 1.5Gbps work */ + for (i = 0; i < ARRAY_SIZE(force_tbl); i++) { + const struct ata_force_param *fp = &force_tbl[i]; + + if (strncasecmp(val, fp->name, strlen(val))) + continue; + + nr_matches++; + match_fp = fp; + + if (strcasecmp(val, fp->name) == 0) { + nr_matches = 1; + break; + } + } + + if (!nr_matches) { + *reason = "unknown value"; + return -EINVAL; + } + if (nr_matches > 1) { + *reason = "ambigious value"; + return -EINVAL; + } + + force_ent->param = *match_fp; + + return 0; +} + +static void __init ata_parse_force_param(void) +{ + int idx = 0, size = 1; + int last_port = -1, last_device = -1; + char *p, *cur, *next; + + /* calculate maximum number of params and allocate force_tbl */ + for (p = ata_force_param_buf; *p; p++) + if (*p == ',') + size++; + + ata_force_tbl = kzalloc(sizeof(ata_force_tbl[0]) * size, GFP_KERNEL); + if (!ata_force_tbl) { + printk(KERN_WARNING "ata: failed to extend force table, " + "libata.force ignored\n"); + return; + } + + /* parse and populate the table */ + for (cur = ata_force_param_buf; *cur != '\0'; cur = next) { + const char *reason = ""; + struct ata_force_ent te = { .port = -1, .device = -1 }; + + next = cur; + if (ata_parse_force_one(&next, &te, &reason)) { + printk(KERN_WARNING "ata: failed to parse force " + "parameter \"%s\" (%s)\n", + cur, reason); + continue; + } + + if (te.port == -1) { + te.port = last_port; + te.device = last_device; + } + + ata_force_tbl[idx++] = te; + + last_port = te.port; + last_device = te.device; + } + + ata_force_tbl_size = idx; +} static int __init ata_init(void) { ata_probe_timeout *= HZ; + + ata_parse_force_param(); + ata_wq = create_workqueue("ata"); if (!ata_wq) return -ENOMEM; @@ -7238,6 +7615,7 @@ static int __init ata_init(void) static void __exit ata_exit(void) { + kfree(ata_force_tbl); destroy_workqueue(ata_wq); destroy_workqueue(ata_aux_wq); } diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 4e31071acc0..698ce2cea52 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -2393,9 +2393,11 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link, } /* PDIAG- should have been released, ask cable type if post-reset */ - if (ata_is_host_link(link) && ap->ops->cable_detect && - (ehc->i.flags & ATA_EHI_DID_RESET)) - ap->cbl = ap->ops->cable_detect(ap); + if ((ehc->i.flags & ATA_EHI_DID_RESET) && ata_is_host_link(link)) { + if (ap->ops->cable_detect) + ap->cbl = ap->ops->cable_detect(ap); + ata_force_cbl(ap); + } /* Configure new devices forward such that user doesn't see * device detection messages backwards. diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index 409ffb9af16..6036dedfe37 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -61,6 +61,7 @@ extern int atapi_passthru16; extern int libata_fua; extern int libata_noacpi; extern int libata_allow_tpm; +extern void ata_force_cbl(struct ata_port *ap); extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev); extern int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev, u64 block, u32 n_block, unsigned int tf_flags, -- cgit v1.2.3 From f1cb0ea12fee23018ad1865bf789cbd463f13747 Mon Sep 17 00:00:00 2001 From: Saeed Bishara Date: Mon, 18 Feb 2008 07:42:28 -1100 Subject: sata_mv: remove iounmap in mv_platform_remove and use devm_iomap this will fix crash bug when doing rmmod to the driver, this is because the port_stop function get called later and it could access the device's registers. Signed-off-by: Saeed Bishara Acked-by: Mark Lord Acked-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/sata_mv.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index eb97dde28d4..6ebebde8454 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -2947,7 +2947,8 @@ static int mv_platform_probe(struct platform_device *pdev) hpriv->n_ports = n_ports; host->iomap = NULL; - hpriv->base = ioremap(res->start, res->end - res->start + 1); + hpriv->base = devm_ioremap(&pdev->dev, res->start, + res->end - res->start + 1); hpriv->base -= MV_SATAHC0_REG_BASE; rc = mv_create_dma_pools(hpriv, &pdev->dev); @@ -2979,11 +2980,8 @@ static int __devexit mv_platform_remove(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct ata_host *host = dev_get_drvdata(dev); - struct mv_host_priv *hpriv = host->private_data; - void __iomem *base = hpriv->base; ata_host_detach(host); - iounmap(base); return 0; } -- cgit v1.2.3 From 73fd8b6d310196ae878767200786503fcff57bd5 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Tue, 19 Feb 2008 13:43:21 -0800 Subject: libata: fix kernel-doc parameter warning Fix libata kernel-doc parameter: Warning(linux-2.6.25-rc2-git3//drivers/ata/libata-scsi.c:845): No description found for parameter 'rq' Signed-off-by: Randy Dunlap Signed-off-by: Jeff Garzik --- drivers/ata/libata-scsi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index dd41b1a1b30..f888babc828 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -828,7 +828,7 @@ static void ata_scsi_sdev_config(struct scsi_device *sdev) /** * atapi_drain_needed - Check whether data transfer may overflow - * @request: request to be checked + * @rq: request to be checked * * ATAPI commands which transfer variable length data to host * might overflow due to application error or hardare bug. This -- cgit v1.2.3 From 1a17582e64dcc690a7edcd7dcf6fe89f1aa0ef97 Mon Sep 17 00:00:00 2001 From: Ivo Couckuyt Date: Wed, 20 Feb 2008 14:58:00 -0500 Subject: p54usb: add USB ID for Phillips CPWUA054 Retarget of an old patch against prism54usb in linux-wireless archive: http://marc.info/?l=linux-wireless&m=117449935810254&w=2 Cc: Ivo Couckuyt Signed-off-by: John W. Linville --- drivers/net/wireless/p54usb.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/net/wireless/p54usb.c b/drivers/net/wireless/p54usb.c index 60d286eb0b8..f8695665c0c 100644 --- a/drivers/net/wireless/p54usb.c +++ b/drivers/net/wireless/p54usb.c @@ -35,6 +35,7 @@ static struct usb_device_id p54u_table[] __devinitdata = { {USB_DEVICE(0x0707, 0xee06)}, /* SMC 2862W-G */ {USB_DEVICE(0x083a, 0x4501)}, /* Accton 802.11g WN4501 USB */ {USB_DEVICE(0x083a, 0x4502)}, /* Siemens Gigaset USB Adapter */ + {USB_DEVICE(0x083a, 0x5501)}, /* Phillips CPWUA054 */ {USB_DEVICE(0x0846, 0x4200)}, /* Netgear WG121 */ {USB_DEVICE(0x0846, 0x4210)}, /* Netgear WG121 the second ? */ {USB_DEVICE(0x0846, 0x4220)}, /* Netgear WG111 */ -- cgit v1.2.3 From 387e100ac24a6c8f2b6f4ce572098447d2893008 Mon Sep 17 00:00:00 2001 From: "John W. Linville" Date: Wed, 20 Feb 2008 15:06:02 -0500 Subject: p54usb: add USB ID for Linksys WUSB54G ver 2 Based on report from Cavan Carroll : http://bugzilla.kernel.org/show_bug.cgi?id=9863 Cc: Cavan Carroll Signed-off-by: John W. Linville --- drivers/net/wireless/p54usb.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/net/wireless/p54usb.c b/drivers/net/wireless/p54usb.c index f8695665c0c..e7d4aee8799 100644 --- a/drivers/net/wireless/p54usb.c +++ b/drivers/net/wireless/p54usb.c @@ -63,6 +63,7 @@ static struct usb_device_id p54u_table[] __devinitdata = { {USB_DEVICE(0x0cde, 0x0008)}, /* Sagem XG703A */ {USB_DEVICE(0x0d8e, 0x3762)}, /* DLink DWL-G120 Cohiba */ {USB_DEVICE(0x09aa, 0x1000)}, /* Spinnaker Proto board */ + {USB_DEVICE(0x13b1, 0x000a)}, /* Linksys WUSB54G ver 2 */ {USB_DEVICE(0x13B1, 0x000C)}, /* Linksys WUSB54AG */ {USB_DEVICE(0x1435, 0x0427)}, /* Inventel UR054G */ {USB_DEVICE(0x2001, 0x3704)}, /* DLink DWL-G122 rev A2 */ -- cgit v1.2.3 From 65872e6b434ca463123f7d03b530f143aabc6333 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Fri, 15 Feb 2008 21:58:51 +0100 Subject: WDEV: ath5k, fix lock imbalance Omitted lock causes sparse warning drivers/net/wireless/ath5k/base.c:1682:1: warning: context imbalance in 'ath5k_tasklet_rx' - different lock contexts for basic block Add the lock to the guilty fail path. Signed-off-by: Jiri Slaby Acked-by: Nick Kossifidis Cc: Luis R. Rodriguez Signed-off-by: John W. Linville --- drivers/net/wireless/ath5k/base.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c index dfdaec02073..062d004076a 100644 --- a/drivers/net/wireless/ath5k/base.c +++ b/drivers/net/wireless/ath5k/base.c @@ -1715,6 +1715,7 @@ ath5k_tasklet_rx(unsigned long data) break; else if (unlikely(ret)) { ATH5K_ERR(sc, "error in processing rx descriptor\n"); + spin_unlock(&sc->rxbuflock); return; } -- cgit v1.2.3 From b988763857426020e50a19434c8434a1e08e70eb Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Fri, 15 Feb 2008 21:58:52 +0100 Subject: WDEV, ath5k, don't return int from bool function sparse sees int -> bool cast as an error: hw.c:3754:10: warning: cast truncates bits from constant value (ffffffea becomes 0) Fix it by converting the rettype to int and check appropriately. Signed-off-by: Jiri Slaby Cc: Nick Kossifidis Cc: Luis R. Rodriguez Signed-off-by: John W. Linville --- drivers/net/wireless/ath5k/ath5k.h | 2 +- drivers/net/wireless/ath5k/base.c | 5 ++++- drivers/net/wireless/ath5k/hw.c | 8 ++++---- 3 files changed, 9 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/ath5k/ath5k.h b/drivers/net/wireless/ath5k/ath5k.h index c79066b38d3..69dea339261 100644 --- a/drivers/net/wireless/ath5k/ath5k.h +++ b/drivers/net/wireless/ath5k/ath5k.h @@ -1035,7 +1035,7 @@ struct ath5k_hw { unsigned int, unsigned int, enum ath5k_pkt_type, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int); - bool (*ah_setup_xtx_desc)(struct ath5k_hw *, struct ath5k_desc *, + int (*ah_setup_xtx_desc)(struct ath5k_hw *, struct ath5k_desc *, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int); int (*ah_proc_tx_desc)(struct ath5k_hw *, struct ath5k_desc *); diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c index 062d004076a..81b45b3e0f0 100644 --- a/drivers/net/wireless/ath5k/base.c +++ b/drivers/net/wireless/ath5k/base.c @@ -668,7 +668,10 @@ ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw) * return false w/o doing anything. MAC's that do * support it will return true w/o doing anything. */ - if (ah->ah_setup_xtx_desc(ah, NULL, 0, 0, 0, 0, 0, 0)) + ret = ah->ah_setup_xtx_desc(ah, NULL, 0, 0, 0, 0, 0, 0); + if (ret < 0) + goto err; + if (ret > 0) __set_bit(ATH_STAT_MRRETRY, sc->status); /* diff --git a/drivers/net/wireless/ath5k/hw.c b/drivers/net/wireless/ath5k/hw.c index 1ab57aa6e4d..c2de2d958e8 100644 --- a/drivers/net/wireless/ath5k/hw.c +++ b/drivers/net/wireless/ath5k/hw.c @@ -45,7 +45,7 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *, struct ath5k_desc *, unsigned int, unsigned int, enum ath5k_pkt_type, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int); -static bool ath5k_hw_setup_xr_tx_desc(struct ath5k_hw *, struct ath5k_desc *, +static int ath5k_hw_setup_xr_tx_desc(struct ath5k_hw *, struct ath5k_desc *, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int); static int ath5k_hw_proc_4word_tx_status(struct ath5k_hw *, struct ath5k_desc *); @@ -3743,7 +3743,7 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah, /* * Initialize a 4-word multirate tx descriptor on 5212 */ -static bool +static int ath5k_hw_setup_xr_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, unsigned int tx_rate1, u_int tx_tries1, u_int tx_rate2, u_int tx_tries2, unsigned int tx_rate3, u_int tx_tries3) @@ -3783,10 +3783,10 @@ ath5k_hw_setup_xr_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, #undef _XTX_TRIES - return true; + return 1; } - return false; + return 0; } /* -- cgit v1.2.3 From 04f93a87a2db84e7214a4ec56fccd2289e973ce5 Mon Sep 17 00:00:00 2001 From: David Miller Date: Fri, 15 Feb 2008 16:08:59 -0800 Subject: ath5k: Fix build warnings on some 64-bit platforms. 'u64' is not necessarily 'unsigned long long' drivers/net/wireless/ath5k/base.c: In function 'ath5k_beacon_update_timers': drivers/net/wireless/ath5k/base.c:2130: warning: format '%llx' expects type 'long long unsigned int', but argument 4 has type 'u64' drivers/net/wireless/ath5k/base.c:2130: warning: format '%llx' expects type 'long long unsigned int', but argument 5 has type 'u64' drivers/net/wireless/ath5k/base.c: In function 'ath5k_intr': drivers/net/wireless/ath5k/base.c:2391: warning: format '%llx' expects type 'long long unsigned int', but argument 6 has type 'u64' Signed-off-by: David S. Miller Signed-off-by: John W. Linville --- drivers/net/wireless/ath5k/base.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c index 81b45b3e0f0..bef967ce34a 100644 --- a/drivers/net/wireless/ath5k/base.c +++ b/drivers/net/wireless/ath5k/base.c @@ -2130,8 +2130,9 @@ ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf) "updated timers based on beacon TSF\n"); ATH5K_DBG_UNLIMIT(sc, ATH5K_DEBUG_BEACON, - "bc_tsf %llx hw_tsf %llx bc_tu %u hw_tu %u nexttbtt %u\n", - bc_tsf, hw_tsf, bc_tu, hw_tu, nexttbtt); + "bc_tsf %llx hw_tsf %llx bc_tu %u hw_tu %u nexttbtt %u\n", + (unsigned long long) bc_tsf, + (unsigned long long) hw_tsf, bc_tu, hw_tu, nexttbtt); ATH5K_DBG_UNLIMIT(sc, ATH5K_DEBUG_BEACON, "intval %u %s %s\n", intval & AR5K_BEACON_PERIOD, intval & AR5K_BEACON_ENA ? "AR5K_BEACON_ENA" : "", @@ -2389,10 +2390,11 @@ ath5k_intr(int irq, void *dev_id) u64 tsf = ath5k_hw_get_tsf64(ah); sc->nexttbtt += sc->bintval; ATH5K_DBG(sc, ATH5K_DEBUG_BEACON, - "SWBA nexttbtt: %x hw_tu: %x " - "TSF: %llx\n", - sc->nexttbtt, - TSF_TO_TU(tsf), tsf); + "SWBA nexttbtt: %x hw_tu: %x " + "TSF: %llx\n", + sc->nexttbtt, + TSF_TO_TU(tsf), + (unsigned long long) tsf); } else { ath5k_beacon_send(sc); } -- cgit v1.2.3 From 58ff70d4feae29cbb7ace410fa6585ef3afb44b6 Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Mon, 18 Feb 2008 21:44:39 +0100 Subject: ssb: Fix serial console on new bcm47xx devices This fixes the baud settings for new devices like the Linksys WRT350n. Signed-off-by: Michael Buesch Signed-off-by: John W. Linville --- drivers/ssb/driver_chipcommon.c | 36 ++++++++++++++++++++++++++----- include/linux/ssb/ssb_driver_chipcommon.h | 3 +++ 2 files changed, 34 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/ssb/driver_chipcommon.c b/drivers/ssb/driver_chipcommon.c index 6fbf1c53b6f..7cc03f2dd5a 100644 --- a/drivers/ssb/driver_chipcommon.c +++ b/drivers/ssb/driver_chipcommon.c @@ -376,6 +376,7 @@ int ssb_chipco_serial_init(struct ssb_chipcommon *cc, unsigned int irq; u32 baud_base, div; u32 i, n; + unsigned int ccrev = cc->dev->id.revision; plltype = (cc->capabilities & SSB_CHIPCO_CAP_PLLT); irq = ssb_mips_irq(cc->dev); @@ -387,14 +388,39 @@ int ssb_chipco_serial_init(struct ssb_chipcommon *cc, chipco_read32(cc, SSB_CHIPCO_CLOCK_M2)); div = 1; } else { - if (cc->dev->id.revision >= 11) { + if (ccrev == 20) { + /* BCM5354 uses constant 25MHz clock */ + baud_base = 25000000; + div = 48; + /* Set the override bit so we don't divide it */ + chipco_write32(cc, SSB_CHIPCO_CORECTL, + chipco_read32(cc, SSB_CHIPCO_CORECTL) + | SSB_CHIPCO_CORECTL_UARTCLK0); + } else if ((ccrev >= 11) && (ccrev != 15)) { /* Fixed ALP clock */ baud_base = 20000000; + if (cc->capabilities & SSB_CHIPCO_CAP_PMU) { + /* FIXME: baud_base is different for devices with a PMU */ + SSB_WARN_ON(1); + } div = 1; + if (ccrev >= 21) { + /* Turn off UART clock before switching clocksource. */ + chipco_write32(cc, SSB_CHIPCO_CORECTL, + chipco_read32(cc, SSB_CHIPCO_CORECTL) + & ~SSB_CHIPCO_CORECTL_UARTCLKEN); + } /* Set the override bit so we don't divide it */ chipco_write32(cc, SSB_CHIPCO_CORECTL, - SSB_CHIPCO_CORECTL_UARTCLK0); - } else if (cc->dev->id.revision >= 3) { + chipco_read32(cc, SSB_CHIPCO_CORECTL) + | SSB_CHIPCO_CORECTL_UARTCLK0); + if (ccrev >= 21) { + /* Re-enable the UART clock. */ + chipco_write32(cc, SSB_CHIPCO_CORECTL, + chipco_read32(cc, SSB_CHIPCO_CORECTL) + | SSB_CHIPCO_CORECTL_UARTCLKEN); + } + } else if (ccrev >= 3) { /* Internal backplane clock */ baud_base = ssb_clockspeed(bus); div = chipco_read32(cc, SSB_CHIPCO_CLKDIV) @@ -406,7 +432,7 @@ int ssb_chipco_serial_init(struct ssb_chipcommon *cc, } /* Clock source depends on strapping if UartClkOverride is unset */ - if ((cc->dev->id.revision > 0) && + if ((ccrev > 0) && !(chipco_read32(cc, SSB_CHIPCO_CORECTL) & SSB_CHIPCO_CORECTL_UARTCLK0)) { if ((cc->capabilities & SSB_CHIPCO_CAP_UARTCLK) == SSB_CHIPCO_CAP_UARTCLK_INT) { @@ -428,7 +454,7 @@ int ssb_chipco_serial_init(struct ssb_chipcommon *cc, cc_mmio = cc->dev->bus->mmio + (cc->dev->core_index * SSB_CORE_SIZE); uart_regs = cc_mmio + SSB_CHIPCO_UART0_DATA; /* Offset changed at after rev 0 */ - if (cc->dev->id.revision == 0) + if (ccrev == 0) uart_regs += (i * 8); else uart_regs += (i * 256); diff --git a/include/linux/ssb/ssb_driver_chipcommon.h b/include/linux/ssb/ssb_driver_chipcommon.h index 4cb99549466..35717b400ce 100644 --- a/include/linux/ssb/ssb_driver_chipcommon.h +++ b/include/linux/ssb/ssb_driver_chipcommon.h @@ -51,9 +51,12 @@ #define SSB_CHIPCO_CAP_JTAGM 0x00400000 /* JTAG master present */ #define SSB_CHIPCO_CAP_BROM 0x00800000 /* Internal boot ROM active */ #define SSB_CHIPCO_CAP_64BIT 0x08000000 /* 64-bit Backplane */ +#define SSB_CHIPCO_CAP_PMU 0x10000000 /* PMU available (rev >= 20) */ +#define SSB_CHIPCO_CAP_ECI 0x20000000 /* ECI available (rev >= 20) */ #define SSB_CHIPCO_CORECTL 0x0008 #define SSB_CHIPCO_CORECTL_UARTCLK0 0x00000001 /* Drive UART with internal clock */ #define SSB_CHIPCO_CORECTL_SE 0x00000002 /* sync clk out enable (corerev >= 3) */ +#define SSB_CHIPCO_CORECTL_UARTCLKEN 0x00000008 /* UART clock enable (rev >= 21) */ #define SSB_CHIPCO_BIST 0x000C #define SSB_CHIPCO_OTPS 0x0010 /* OTP status */ #define SSB_CHIPCO_OTPS_PROGFAIL 0x80000000 -- cgit v1.2.3 From 42bfad4f71637c4eb4791aa8062063c4a8526522 Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Tue, 19 Feb 2008 12:41:30 +0100 Subject: ssb: Fix watchdog access for devices without a chipcommon This fixes the SSB watchdog access for devices without a chipcommon. These devices have the watchdog on the extif. Signed-off-by: Michael Buesch Signed-off-by: John W. Linville --- drivers/ssb/Kconfig | 6 ++++++ drivers/ssb/Makefile | 1 + drivers/ssb/driver_extif.c | 6 ++++++ drivers/ssb/embedded.c | 26 ++++++++++++++++++++++++++ include/linux/ssb/ssb_driver_chipcommon.h | 5 +++++ include/linux/ssb/ssb_driver_extif.h | 9 +++++++++ include/linux/ssb/ssb_embedded.h | 10 ++++++++++ 7 files changed, 63 insertions(+) create mode 100644 drivers/ssb/embedded.c create mode 100644 include/linux/ssb/ssb_embedded.h (limited to 'drivers') diff --git a/drivers/ssb/Kconfig b/drivers/ssb/Kconfig index d976660cb7f..78fd33125e0 100644 --- a/drivers/ssb/Kconfig +++ b/drivers/ssb/Kconfig @@ -105,6 +105,12 @@ config SSB_DRIVER_MIPS If unsure, say N +# Assumption: We are on embedded, if we compile the MIPS core. +config SSB_EMBEDDED + bool + depends on SSB_DRIVER_MIPS + default y + config SSB_DRIVER_EXTIF bool "SSB Broadcom EXTIF core driver (EXPERIMENTAL)" depends on SSB_DRIVER_MIPS && EXPERIMENTAL diff --git a/drivers/ssb/Makefile b/drivers/ssb/Makefile index 7be39759580..e235144add7 100644 --- a/drivers/ssb/Makefile +++ b/drivers/ssb/Makefile @@ -1,5 +1,6 @@ # core ssb-y += main.o scan.o +ssb-$(CONFIG_SSB_EMBEDDED) += embedded.o # host support ssb-$(CONFIG_SSB_PCIHOST) += pci.o pcihost_wrapper.o diff --git a/drivers/ssb/driver_extif.c b/drivers/ssb/driver_extif.c index fe55eb8b038..b1899f422a5 100644 --- a/drivers/ssb/driver_extif.c +++ b/drivers/ssb/driver_extif.c @@ -110,6 +110,12 @@ void ssb_extif_get_clockcontrol(struct ssb_extif *extif, *m = extif_read32(extif, SSB_EXTIF_CLOCK_SB); } +void ssb_extif_watchdog_timer_set(struct ssb_extif *extif, + u32 ticks) +{ + extif_write32(extif, SSB_EXTIF_WATCHDOG, ticks); +} + u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask) { return extif_read32(extif, SSB_EXTIF_GPIO_IN) & mask; diff --git a/drivers/ssb/embedded.c b/drivers/ssb/embedded.c new file mode 100644 index 00000000000..751f58ac612 --- /dev/null +++ b/drivers/ssb/embedded.c @@ -0,0 +1,26 @@ +/* + * Sonics Silicon Backplane + * Embedded systems support code + * + * Copyright 2005-2008, Broadcom Corporation + * Copyright 2006-2008, Michael Buesch + * + * Licensed under the GNU/GPL. See COPYING for details. + */ + +#include +#include + + +int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks) +{ + if (ssb_chipco_available(&bus->chipco)) { + ssb_chipco_watchdog_timer_set(&bus->chipco, ticks); + return 0; + } + if (ssb_extif_available(&bus->extif)) { + ssb_extif_watchdog_timer_set(&bus->extif, ticks); + return 0; + } + return -ENODEV; +} diff --git a/include/linux/ssb/ssb_driver_chipcommon.h b/include/linux/ssb/ssb_driver_chipcommon.h index 35717b400ce..89638153cbe 100644 --- a/include/linux/ssb/ssb_driver_chipcommon.h +++ b/include/linux/ssb/ssb_driver_chipcommon.h @@ -360,6 +360,11 @@ struct ssb_chipcommon { u16 fast_pwrup_delay; }; +static inline bool ssb_chipco_available(struct ssb_chipcommon *cc) +{ + return (cc->dev != NULL); +} + extern void ssb_chipcommon_init(struct ssb_chipcommon *cc); #include diff --git a/include/linux/ssb/ssb_driver_extif.h b/include/linux/ssb/ssb_driver_extif.h index a9164357b5a..0d7c9bfa965 100644 --- a/include/linux/ssb/ssb_driver_extif.h +++ b/include/linux/ssb/ssb_driver_extif.h @@ -171,6 +171,9 @@ extern void ssb_extif_get_clockcontrol(struct ssb_extif *extif, extern void ssb_extif_timing_init(struct ssb_extif *extif, unsigned long ns); +extern void ssb_extif_watchdog_timer_set(struct ssb_extif *extif, + u32 ticks); + u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask); void ssb_extif_gpio_out(struct ssb_extif *extif, u32 mask, u32 value); @@ -200,5 +203,11 @@ void ssb_extif_get_clockcontrol(struct ssb_extif *extif, { } +static inline +void ssb_extif_watchdog_timer_set(struct ssb_extif *extif, + u32 ticks) +{ +} + #endif /* CONFIG_SSB_DRIVER_EXTIF */ #endif /* LINUX_SSB_EXTIFCORE_H_ */ diff --git a/include/linux/ssb/ssb_embedded.h b/include/linux/ssb/ssb_embedded.h new file mode 100644 index 00000000000..80bd5849645 --- /dev/null +++ b/include/linux/ssb/ssb_embedded.h @@ -0,0 +1,10 @@ +#ifndef LINUX_SSB_EMBEDDED_H_ +#define LINUX_SSB_EMBEDDED_H_ + +#include +#include + + +extern int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks); + +#endif /* LINUX_SSB_EMBEDDED_H_ */ -- cgit v1.2.3 From c2bcbe65fc88d61f9a806367ff6eab76c9eabb3a Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Tue, 19 Feb 2008 14:53:35 +0100 Subject: ssb: Fix the GPIO API This fixes the GPIO API to be usable. Signed-off-by: Michael Buesch Signed-off-by: John W. Linville --- drivers/ssb/driver_chipcommon.c | 35 +++++++++++++++++++++++++------ drivers/ssb/driver_extif.c | 24 +++++++++++++++++---- include/linux/ssb/ssb_driver_chipcommon.h | 10 +++++---- include/linux/ssb/ssb_driver_extif.h | 9 ++++---- 4 files changed, 60 insertions(+), 18 deletions(-) (limited to 'drivers') diff --git a/drivers/ssb/driver_chipcommon.c b/drivers/ssb/driver_chipcommon.c index 7cc03f2dd5a..7ea0c0faa9a 100644 --- a/drivers/ssb/driver_chipcommon.c +++ b/drivers/ssb/driver_chipcommon.c @@ -39,12 +39,14 @@ static inline void chipco_write32(struct ssb_chipcommon *cc, ssb_write32(cc->dev, offset, value); } -static inline void chipco_write32_masked(struct ssb_chipcommon *cc, u16 offset, - u32 mask, u32 value) +static inline u32 chipco_write32_masked(struct ssb_chipcommon *cc, u16 offset, + u32 mask, u32 value) { value &= mask; value |= chipco_read32(cc, offset) & ~mask; chipco_write32(cc, offset, value); + + return value; } void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc, @@ -355,16 +357,37 @@ u32 ssb_chipco_gpio_in(struct ssb_chipcommon *cc, u32 mask) { return chipco_read32(cc, SSB_CHIPCO_GPIOIN) & mask; } +EXPORT_SYMBOL(ssb_chipco_gpio_in); + +u32 ssb_chipco_gpio_out(struct ssb_chipcommon *cc, u32 mask, u32 value) +{ + return chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUT, mask, value); +} +EXPORT_SYMBOL(ssb_chipco_gpio_out); + +u32 ssb_chipco_gpio_outen(struct ssb_chipcommon *cc, u32 mask, u32 value) +{ + return chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUTEN, mask, value); +} +EXPORT_SYMBOL(ssb_chipco_gpio_outen); + +u32 ssb_chipco_gpio_control(struct ssb_chipcommon *cc, u32 mask, u32 value) +{ + return chipco_write32_masked(cc, SSB_CHIPCO_GPIOCTL, mask, value); +} +EXPORT_SYMBOL(ssb_chipco_gpio_control); -void ssb_chipco_gpio_out(struct ssb_chipcommon *cc, u32 mask, u32 value) +u32 ssb_chipco_gpio_intmask(struct ssb_chipcommon *cc, u32 mask, u32 value) { - chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUT, mask, value); + return chipco_write32_masked(cc, SSB_CHIPCO_GPIOIRQ, mask, value); } +EXPORT_SYMBOL(ssb_chipco_gpio_intmask); -void ssb_chipco_gpio_outen(struct ssb_chipcommon *cc, u32 mask, u32 value) +u32 ssb_chipco_gpio_polarity(struct ssb_chipcommon *cc, u32 mask, u32 value) { - chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUTEN, mask, value); + return chipco_write32_masked(cc, SSB_CHIPCO_GPIOPOL, mask, value); } +EXPORT_SYMBOL(ssb_chipco_gpio_polarity); #ifdef CONFIG_SSB_SERIAL int ssb_chipco_serial_init(struct ssb_chipcommon *cc, diff --git a/drivers/ssb/driver_extif.c b/drivers/ssb/driver_extif.c index b1899f422a5..10c6b287f8b 100644 --- a/drivers/ssb/driver_extif.c +++ b/drivers/ssb/driver_extif.c @@ -27,12 +27,14 @@ static inline void extif_write32(struct ssb_extif *extif, u16 offset, u32 value) ssb_write32(extif->dev, offset, value); } -static inline void extif_write32_masked(struct ssb_extif *extif, u16 offset, - u32 mask, u32 value) +static inline u32 extif_write32_masked(struct ssb_extif *extif, u16 offset, + u32 mask, u32 value) { value &= mask; value |= extif_read32(extif, offset) & ~mask; extif_write32(extif, offset, value); + + return value; } #ifdef CONFIG_SSB_SERIAL @@ -120,16 +122,30 @@ u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask) { return extif_read32(extif, SSB_EXTIF_GPIO_IN) & mask; } +EXPORT_SYMBOL(ssb_extif_gpio_in); -void ssb_extif_gpio_out(struct ssb_extif *extif, u32 mask, u32 value) +u32 ssb_extif_gpio_out(struct ssb_extif *extif, u32 mask, u32 value) { return extif_write32_masked(extif, SSB_EXTIF_GPIO_OUT(0), mask, value); } +EXPORT_SYMBOL(ssb_extif_gpio_out); -void ssb_extif_gpio_outen(struct ssb_extif *extif, u32 mask, u32 value) +u32 ssb_extif_gpio_outen(struct ssb_extif *extif, u32 mask, u32 value) { return extif_write32_masked(extif, SSB_EXTIF_GPIO_OUTEN(0), mask, value); } +EXPORT_SYMBOL(ssb_extif_gpio_outen); + +u32 ssb_extif_gpio_polarity(struct ssb_extif *extif, u32 mask, u32 value) +{ + return extif_write32_masked(extif, SSB_EXTIF_GPIO_INTPOL, mask, value); +} +EXPORT_SYMBOL(ssb_extif_gpio_polarity); +u32 ssb_extif_gpio_intmask(struct ssb_extif *extif, u32 mask, u32 value) +{ + return extif_write32_masked(extif, SSB_EXTIF_GPIO_INTMASK, mask, value); +} +EXPORT_SYMBOL(ssb_extif_gpio_intmask); diff --git a/include/linux/ssb/ssb_driver_chipcommon.h b/include/linux/ssb/ssb_driver_chipcommon.h index 89638153cbe..536851b946f 100644 --- a/include/linux/ssb/ssb_driver_chipcommon.h +++ b/include/linux/ssb/ssb_driver_chipcommon.h @@ -390,11 +390,13 @@ extern void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc, extern void ssb_chipco_watchdog_timer_set(struct ssb_chipcommon *cc, u32 ticks); +/* Chipcommon GPIO pin access. */ u32 ssb_chipco_gpio_in(struct ssb_chipcommon *cc, u32 mask); - -void ssb_chipco_gpio_out(struct ssb_chipcommon *cc, u32 mask, u32 value); - -void ssb_chipco_gpio_outen(struct ssb_chipcommon *cc, u32 mask, u32 value); +u32 ssb_chipco_gpio_out(struct ssb_chipcommon *cc, u32 mask, u32 value); +u32 ssb_chipco_gpio_outen(struct ssb_chipcommon *cc, u32 mask, u32 value); +u32 ssb_chipco_gpio_control(struct ssb_chipcommon *cc, u32 mask, u32 value); +u32 ssb_chipco_gpio_intmask(struct ssb_chipcommon *cc, u32 mask, u32 value); +u32 ssb_chipco_gpio_polarity(struct ssb_chipcommon *cc, u32 mask, u32 value); #ifdef CONFIG_SSB_SERIAL extern int ssb_chipco_serial_init(struct ssb_chipcommon *cc, diff --git a/include/linux/ssb/ssb_driver_extif.h b/include/linux/ssb/ssb_driver_extif.h index 0d7c9bfa965..91161f0aa22 100644 --- a/include/linux/ssb/ssb_driver_extif.h +++ b/include/linux/ssb/ssb_driver_extif.h @@ -174,11 +174,12 @@ extern void ssb_extif_timing_init(struct ssb_extif *extif, extern void ssb_extif_watchdog_timer_set(struct ssb_extif *extif, u32 ticks); +/* Extif GPIO pin access */ u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask); - -void ssb_extif_gpio_out(struct ssb_extif *extif, u32 mask, u32 value); - -void ssb_extif_gpio_outen(struct ssb_extif *extif, u32 mask, u32 value); +u32 ssb_extif_gpio_out(struct ssb_extif *extif, u32 mask, u32 value); +u32 ssb_extif_gpio_outen(struct ssb_extif *extif, u32 mask, u32 value); +u32 ssb_extif_gpio_polarity(struct ssb_extif *extif, u32 mask, u32 value); +u32 ssb_extif_gpio_intmask(struct ssb_extif *extif, u32 mask, u32 value); #ifdef CONFIG_SSB_SERIAL extern int ssb_extif_serial_init(struct ssb_extif *extif, -- cgit v1.2.3 From 53521d8c90d366191b6c134f88a8ebe83de60614 Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Tue, 19 Feb 2008 16:22:50 +0100 Subject: ssb: Make the GPIO API reentrancy safe This fixes the GPIO API to be reentrancy safe. Signed-off-by: Michael Buesch Signed-off-by: John W. Linville --- drivers/ssb/driver_chipcommon.c | 6 --- drivers/ssb/driver_extif.c | 5 -- drivers/ssb/embedded.c | 106 +++++++++++++++++++++++++++++++++++++++ drivers/ssb/main.c | 3 ++ include/linux/ssb/ssb.h | 5 ++ include/linux/ssb/ssb_embedded.h | 8 +++ 6 files changed, 122 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/ssb/driver_chipcommon.c b/drivers/ssb/driver_chipcommon.c index 7ea0c0faa9a..e586321a473 100644 --- a/drivers/ssb/driver_chipcommon.c +++ b/drivers/ssb/driver_chipcommon.c @@ -357,37 +357,31 @@ u32 ssb_chipco_gpio_in(struct ssb_chipcommon *cc, u32 mask) { return chipco_read32(cc, SSB_CHIPCO_GPIOIN) & mask; } -EXPORT_SYMBOL(ssb_chipco_gpio_in); u32 ssb_chipco_gpio_out(struct ssb_chipcommon *cc, u32 mask, u32 value) { return chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUT, mask, value); } -EXPORT_SYMBOL(ssb_chipco_gpio_out); u32 ssb_chipco_gpio_outen(struct ssb_chipcommon *cc, u32 mask, u32 value) { return chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUTEN, mask, value); } -EXPORT_SYMBOL(ssb_chipco_gpio_outen); u32 ssb_chipco_gpio_control(struct ssb_chipcommon *cc, u32 mask, u32 value) { return chipco_write32_masked(cc, SSB_CHIPCO_GPIOCTL, mask, value); } -EXPORT_SYMBOL(ssb_chipco_gpio_control); u32 ssb_chipco_gpio_intmask(struct ssb_chipcommon *cc, u32 mask, u32 value) { return chipco_write32_masked(cc, SSB_CHIPCO_GPIOIRQ, mask, value); } -EXPORT_SYMBOL(ssb_chipco_gpio_intmask); u32 ssb_chipco_gpio_polarity(struct ssb_chipcommon *cc, u32 mask, u32 value) { return chipco_write32_masked(cc, SSB_CHIPCO_GPIOPOL, mask, value); } -EXPORT_SYMBOL(ssb_chipco_gpio_polarity); #ifdef CONFIG_SSB_SERIAL int ssb_chipco_serial_init(struct ssb_chipcommon *cc, diff --git a/drivers/ssb/driver_extif.c b/drivers/ssb/driver_extif.c index 10c6b287f8b..c3e1d3e6d61 100644 --- a/drivers/ssb/driver_extif.c +++ b/drivers/ssb/driver_extif.c @@ -122,30 +122,25 @@ u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask) { return extif_read32(extif, SSB_EXTIF_GPIO_IN) & mask; } -EXPORT_SYMBOL(ssb_extif_gpio_in); u32 ssb_extif_gpio_out(struct ssb_extif *extif, u32 mask, u32 value) { return extif_write32_masked(extif, SSB_EXTIF_GPIO_OUT(0), mask, value); } -EXPORT_SYMBOL(ssb_extif_gpio_out); u32 ssb_extif_gpio_outen(struct ssb_extif *extif, u32 mask, u32 value) { return extif_write32_masked(extif, SSB_EXTIF_GPIO_OUTEN(0), mask, value); } -EXPORT_SYMBOL(ssb_extif_gpio_outen); u32 ssb_extif_gpio_polarity(struct ssb_extif *extif, u32 mask, u32 value) { return extif_write32_masked(extif, SSB_EXTIF_GPIO_INTPOL, mask, value); } -EXPORT_SYMBOL(ssb_extif_gpio_polarity); u32 ssb_extif_gpio_intmask(struct ssb_extif *extif, u32 mask, u32 value) { return extif_write32_masked(extif, SSB_EXTIF_GPIO_INTMASK, mask, value); } -EXPORT_SYMBOL(ssb_extif_gpio_intmask); diff --git a/drivers/ssb/embedded.c b/drivers/ssb/embedded.c index 751f58ac612..d3ade821555 100644 --- a/drivers/ssb/embedded.c +++ b/drivers/ssb/embedded.c @@ -11,6 +11,8 @@ #include #include +#include "ssb_private.h" + int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks) { @@ -24,3 +26,107 @@ int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks) } return -ENODEV; } + +u32 ssb_gpio_in(struct ssb_bus *bus, u32 mask) +{ + unsigned long flags; + u32 res = 0; + + spin_lock_irqsave(&bus->gpio_lock, flags); + if (ssb_chipco_available(&bus->chipco)) + res = ssb_chipco_gpio_in(&bus->chipco, mask); + else if (ssb_extif_available(&bus->extif)) + res = ssb_extif_gpio_in(&bus->extif, mask); + else + SSB_WARN_ON(1); + spin_unlock_irqrestore(&bus->gpio_lock, flags); + + return res; +} +EXPORT_SYMBOL(ssb_gpio_in); + +u32 ssb_gpio_out(struct ssb_bus *bus, u32 mask, u32 value) +{ + unsigned long flags; + u32 res = 0; + + spin_lock_irqsave(&bus->gpio_lock, flags); + if (ssb_chipco_available(&bus->chipco)) + res = ssb_chipco_gpio_out(&bus->chipco, mask, value); + else if (ssb_extif_available(&bus->extif)) + res = ssb_extif_gpio_out(&bus->extif, mask, value); + else + SSB_WARN_ON(1); + spin_unlock_irqrestore(&bus->gpio_lock, flags); + + return res; +} +EXPORT_SYMBOL(ssb_gpio_out); + +u32 ssb_gpio_outen(struct ssb_bus *bus, u32 mask, u32 value) +{ + unsigned long flags; + u32 res = 0; + + spin_lock_irqsave(&bus->gpio_lock, flags); + if (ssb_chipco_available(&bus->chipco)) + res = ssb_chipco_gpio_outen(&bus->chipco, mask, value); + else if (ssb_extif_available(&bus->extif)) + res = ssb_extif_gpio_outen(&bus->extif, mask, value); + else + SSB_WARN_ON(1); + spin_unlock_irqrestore(&bus->gpio_lock, flags); + + return res; +} +EXPORT_SYMBOL(ssb_gpio_outen); + +u32 ssb_gpio_control(struct ssb_bus *bus, u32 mask, u32 value) +{ + unsigned long flags; + u32 res = 0; + + spin_lock_irqsave(&bus->gpio_lock, flags); + if (ssb_chipco_available(&bus->chipco)) + res = ssb_chipco_gpio_control(&bus->chipco, mask, value); + spin_unlock_irqrestore(&bus->gpio_lock, flags); + + return res; +} +EXPORT_SYMBOL(ssb_gpio_control); + +u32 ssb_gpio_intmask(struct ssb_bus *bus, u32 mask, u32 value) +{ + unsigned long flags; + u32 res = 0; + + spin_lock_irqsave(&bus->gpio_lock, flags); + if (ssb_chipco_available(&bus->chipco)) + res = ssb_chipco_gpio_intmask(&bus->chipco, mask, value); + else if (ssb_extif_available(&bus->extif)) + res = ssb_extif_gpio_intmask(&bus->extif, mask, value); + else + SSB_WARN_ON(1); + spin_unlock_irqrestore(&bus->gpio_lock, flags); + + return res; +} +EXPORT_SYMBOL(ssb_gpio_intmask); + +u32 ssb_gpio_polarity(struct ssb_bus *bus, u32 mask, u32 value) +{ + unsigned long flags; + u32 res = 0; + + spin_lock_irqsave(&bus->gpio_lock, flags); + if (ssb_chipco_available(&bus->chipco)) + res = ssb_chipco_gpio_polarity(&bus->chipco, mask, value); + else if (ssb_extif_available(&bus->extif)) + res = ssb_extif_gpio_polarity(&bus->extif, mask, value); + else + SSB_WARN_ON(1); + spin_unlock_irqrestore(&bus->gpio_lock, flags); + + return res; +} +EXPORT_SYMBOL(ssb_gpio_polarity); diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c index 9028ed5715a..af07ab22708 100644 --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c @@ -569,6 +569,9 @@ static int ssb_bus_register(struct ssb_bus *bus, spin_lock_init(&bus->bar_lock); INIT_LIST_HEAD(&bus->list); +#ifdef CONFIG_SSB_EMBEDDED + spin_lock_init(&bus->gpio_lock); +#endif /* Powerup the bus */ err = ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 1); diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h index 9d5da8b2ccf..d14c0368571 100644 --- a/include/linux/ssb/ssb.h +++ b/include/linux/ssb/ssb.h @@ -283,6 +283,11 @@ struct ssb_bus { /* Contents of the SPROM. */ struct ssb_sprom sprom; +#ifdef CONFIG_SSB_EMBEDDED + /* Lock for GPIO register access. */ + spinlock_t gpio_lock; +#endif /* EMBEDDED */ + /* Internal-only stuff follows. Do not touch. */ struct list_head list; #ifdef CONFIG_SSB_DEBUG diff --git a/include/linux/ssb/ssb_embedded.h b/include/linux/ssb/ssb_embedded.h index 80bd5849645..8d8dedff059 100644 --- a/include/linux/ssb/ssb_embedded.h +++ b/include/linux/ssb/ssb_embedded.h @@ -7,4 +7,12 @@ extern int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks); +/* Generic GPIO API */ +u32 ssb_gpio_in(struct ssb_bus *bus, u32 mask); +u32 ssb_gpio_out(struct ssb_bus *bus, u32 mask, u32 value); +u32 ssb_gpio_outen(struct ssb_bus *bus, u32 mask, u32 value); +u32 ssb_gpio_control(struct ssb_bus *bus, u32 mask, u32 value); +u32 ssb_gpio_intmask(struct ssb_bus *bus, u32 mask, u32 value); +u32 ssb_gpio_polarity(struct ssb_bus *bus, u32 mask, u32 value); + #endif /* LINUX_SSB_EMBEDDED_H_ */ -- cgit v1.2.3 From 7cb4461520f307a6e3fb2bb32cb8daee45aa1fae Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Tue, 19 Feb 2008 17:46:48 +0100 Subject: ssb: Fix pcicore cardbus mode This fixes the pcicore driver to not die a horrible crash death when inserting a cardbus card. Signed-off-by: Michael Buesch Signed-off-by: John W. Linville --- drivers/ssb/driver_pcicore.c | 28 ++++++++++++++++++++++++++-- drivers/ssb/main.c | 1 + include/linux/ssb/ssb.h | 7 +++++++ include/linux/ssb/ssb_driver_pci.h | 5 +++++ 4 files changed, 39 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ssb/driver_pcicore.c b/drivers/ssb/driver_pcicore.c index 2faaa906d5d..059452fbb16 100644 --- a/drivers/ssb/driver_pcicore.c +++ b/drivers/ssb/driver_pcicore.c @@ -11,6 +11,7 @@ #include #include #include +#include #include "ssb_private.h" @@ -27,6 +28,18 @@ void pcicore_write32(struct ssb_pcicore *pc, u16 offset, u32 value) ssb_write32(pc->dev, offset, value); } +static inline +u16 pcicore_read16(struct ssb_pcicore *pc, u16 offset) +{ + return ssb_read16(pc->dev, offset); +} + +static inline +void pcicore_write16(struct ssb_pcicore *pc, u16 offset, u16 value) +{ + ssb_write16(pc->dev, offset, value); +} + /************************************************** * Code for hostmode operation. **************************************************/ @@ -117,8 +130,10 @@ static u32 get_cfgspace_addr(struct ssb_pcicore *pc, u32 addr = 0; u32 tmp; - if (unlikely(pc->cardbusmode && dev > 1)) + /* We do only have one cardbus device behind the bridge. */ + if (pc->cardbusmode && (dev >= 1)) goto out; + if (bus == 0) { /* Type 0 transaction */ if (unlikely(dev >= SSB_PCI_SLOT_MAX)) @@ -318,7 +333,16 @@ static void ssb_pcicore_init_hostmode(struct ssb_pcicore *pc) pcicore_write32(pc, SSB_PCICORE_ARBCTL, val); udelay(1); /* Assertion time demanded by the PCI standard */ - /*TODO cardbus mode */ + if (pc->dev->bus->has_cardbus_slot) { + ssb_dprintk(KERN_INFO PFX "CardBus slot detected\n"); + pc->cardbusmode = 1; + /* GPIO 1 resets the bridge */ + ssb_gpio_out(pc->dev->bus, 1, 1); + ssb_gpio_outen(pc->dev->bus, 1, 1); + pcicore_write16(pc, SSB_PCICORE_SPROM(0), + pcicore_read16(pc, SSB_PCICORE_SPROM(0)) + | 0x0400); + } /* 64MB I/O window */ pcicore_write32(pc, SSB_PCICORE_SBTOPCI0, diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c index af07ab22708..bedb2b4ee9d 100644 --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c @@ -557,6 +557,7 @@ static int ssb_fetch_invariants(struct ssb_bus *bus, goto out; memcpy(&bus->boardinfo, &iv.boardinfo, sizeof(iv.boardinfo)); memcpy(&bus->sprom, &iv.sprom, sizeof(iv.sprom)); + bus->has_cardbus_slot = iv.has_cardbus_slot; out: return err; } diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h index d14c0368571..20add65215a 100644 --- a/include/linux/ssb/ssb.h +++ b/include/linux/ssb/ssb.h @@ -282,6 +282,8 @@ struct ssb_bus { struct ssb_boardinfo boardinfo; /* Contents of the SPROM. */ struct ssb_sprom sprom; + /* If the board has a cardbus slot, this is set to true. */ + bool has_cardbus_slot; #ifdef CONFIG_SSB_EMBEDDED /* Lock for GPIO register access. */ @@ -299,8 +301,13 @@ struct ssb_bus { /* The initialization-invariants. */ struct ssb_init_invariants { + /* Versioning information about the PCB. */ struct ssb_boardinfo boardinfo; + /* The SPROM information. That's either stored in an + * EEPROM or NVRAM on the board. */ struct ssb_sprom sprom; + /* If the board has a cardbus slot, this is set to true. */ + bool has_cardbus_slot; }; /* Type of function to fetch the invariants. */ typedef int (*ssb_invariants_func_t)(struct ssb_bus *bus, diff --git a/include/linux/ssb/ssb_driver_pci.h b/include/linux/ssb/ssb_driver_pci.h index 9cfffb7b1a2..5e25bac4ed3 100644 --- a/include/linux/ssb/ssb_driver_pci.h +++ b/include/linux/ssb/ssb_driver_pci.h @@ -51,6 +51,11 @@ #define SSB_PCICORE_SBTOPCI1_MASK 0xFC000000 #define SSB_PCICORE_SBTOPCI2 0x0108 /* Backplane to PCI translation 2 (sbtopci2) */ #define SSB_PCICORE_SBTOPCI2_MASK 0xC0000000 +#define SSB_PCICORE_PCICFG0 0x0400 /* PCI config space 0 (rev >= 8) */ +#define SSB_PCICORE_PCICFG1 0x0500 /* PCI config space 1 (rev >= 8) */ +#define SSB_PCICORE_PCICFG2 0x0600 /* PCI config space 2 (rev >= 8) */ +#define SSB_PCICORE_PCICFG3 0x0700 /* PCI config space 3 (rev >= 8) */ +#define SSB_PCICORE_SPROM(wordoffset) (0x0800 + ((wordoffset) * 2)) /* SPROM shadow area (72 bytes) */ /* SBtoPCIx */ #define SSB_PCICORE_SBTOPCI_MEM 0x00000000 -- cgit v1.2.3 From 1955fd0b533d05828bff7ed290213d2a0fc0f04f Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 20 Feb 2008 12:05:59 +0100 Subject: rtl818x: fix sparse warnings This silences a few sparse warnings. There are two more where I can't follow the code. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- drivers/net/wireless/rtl8180_dev.c | 4 +++- drivers/net/wireless/rtl8187_dev.c | 4 +++- 2 files changed, 6 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/rtl8180_dev.c b/drivers/net/wireless/rtl8180_dev.c index 27ebd689aa2..5e9a8ace0d8 100644 --- a/drivers/net/wireless/rtl8180_dev.c +++ b/drivers/net/wireless/rtl8180_dev.c @@ -135,13 +135,15 @@ static void rtl8180_handle_tx(struct ieee80211_hw *dev, unsigned int prio) while (skb_queue_len(&ring->queue)) { struct rtl8180_tx_desc *entry = &ring->desc[ring->idx]; struct sk_buff *skb; - struct ieee80211_tx_status status = { {0} }; + struct ieee80211_tx_status status; struct ieee80211_tx_control *control; u32 flags = le32_to_cpu(entry->flags); if (flags & RTL8180_TX_DESC_FLAG_OWN) return; + memset(&status, 0, sizeof(status)); + ring->idx = (ring->idx + 1) % ring->entries; skb = __skb_dequeue(&ring->queue); pci_unmap_single(priv->pdev, le32_to_cpu(entry->tx_buf), diff --git a/drivers/net/wireless/rtl8187_dev.c b/drivers/net/wireless/rtl8187_dev.c index 0d71716d750..f44505994a0 100644 --- a/drivers/net/wireless/rtl8187_dev.c +++ b/drivers/net/wireless/rtl8187_dev.c @@ -113,10 +113,12 @@ void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data) static void rtl8187_tx_cb(struct urb *urb) { - struct ieee80211_tx_status status = { {0} }; + struct ieee80211_tx_status status; struct sk_buff *skb = (struct sk_buff *)urb->context; struct rtl8187_tx_info *info = (struct rtl8187_tx_info *)skb->cb; + memset(&status, 0, sizeof(status)); + usb_free_urb(info->urb); if (info->control) memcpy(&status.control, info->control, sizeof(status.control)); -- cgit v1.2.3 From 5078ed50712aa3df1099540b524d01075aee653f Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 20 Feb 2008 12:09:25 +0100 Subject: zd1211rw: fix sparse warnings This silences sparse when run on zd1211rw. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- drivers/net/wireless/zd1211rw/zd_mac.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index 49127e4b42c..76ef2d83919 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -360,11 +360,14 @@ void zd_mac_tx_failed(struct ieee80211_hw *hw) { struct sk_buff_head *q = &zd_hw_mac(hw)->ack_wait_queue; struct sk_buff *skb; - struct ieee80211_tx_status status = {{0}}; + struct ieee80211_tx_status status; skb = skb_dequeue(q); if (skb == NULL) return; + + memset(&status, 0, sizeof(status)); + tx_status(hw, skb, &status, 0); } @@ -389,7 +392,8 @@ void zd_mac_tx_to_dev(struct sk_buff *skb, int error) if (unlikely(error || (cb->control->flags & IEEE80211_TXCTL_NO_ACK))) { - struct ieee80211_tx_status status = {{0}}; + struct ieee80211_tx_status status; + memset(&status, 0, sizeof(status)); tx_status(hw, skb, &status, !error); } else { struct sk_buff_head *q = @@ -603,7 +607,9 @@ static int filter_ack(struct ieee80211_hw *hw, struct ieee80211_hdr *rx_hdr, tx_hdr = (struct ieee80211_hdr *)skb->data; if (likely(!compare_ether_addr(tx_hdr->addr2, rx_hdr->addr1))) { - struct ieee80211_tx_status status = {{0}}; + struct ieee80211_tx_status status; + + memset(&status, 0, sizeof(status)); status.flags = IEEE80211_TX_STATUS_ACK; status.ack_signal = stats->ssi; __skb_unlink(skb, q); -- cgit v1.2.3 From fc71acc846c577473ada72a46c5ea9c935eca086 Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Sat, 16 Feb 2008 18:13:36 +0100 Subject: ssb: Fix support for PCI devices behind a SSB->PCI bridge We must pin all resources and make sure the PCI subsystem won't relocate us, as the addresses are hardwired into hardware. Signed-off-by: Michael Buesch Signed-off-by: John W. Linville --- drivers/ssb/driver_pcicore.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/ssb/driver_pcicore.c b/drivers/ssb/driver_pcicore.c index 059452fbb16..6d99a988005 100644 --- a/drivers/ssb/driver_pcicore.c +++ b/drivers/ssb/driver_pcicore.c @@ -79,6 +79,7 @@ int pcibios_plat_dev_init(struct pci_dev *d) base = &ssb_pcicore_pcibus_iobase; else base = &ssb_pcicore_pcibus_membase; + res->flags |= IORESOURCE_PCI_FIXED; if (res->end) { size = res->end - res->start + 1; if (*base & (size - 1)) @@ -101,10 +102,12 @@ int pcibios_plat_dev_init(struct pci_dev *d) static void __init ssb_fixup_pcibridge(struct pci_dev *dev) { + u8 lat; + if (dev->bus->number != 0 || PCI_SLOT(dev->devfn) != 0) return; - ssb_printk(KERN_INFO "PCI: fixing up bridge\n"); + ssb_printk(KERN_INFO "PCI: Fixing up bridge %s\n", pci_name(dev)); /* Enable PCI bridge bus mastering and memory space */ pci_set_master(dev); @@ -114,7 +117,10 @@ static void __init ssb_fixup_pcibridge(struct pci_dev *dev) pci_write_config_dword(dev, SSB_BAR1_CONTROL, 3); /* Make sure our latency is high enough to handle the devices behind us */ - pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xa8); + lat = 168; + ssb_printk(KERN_INFO "PCI: Fixing latency timer of device %s to %u\n", + pci_name(dev), lat); + pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat); } DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, ssb_fixup_pcibridge); @@ -294,14 +300,14 @@ static struct resource ssb_pcicore_mem_resource = { .name = "SSB PCIcore external memory", .start = SSB_PCI_DMA, .end = SSB_PCI_DMA + SSB_PCI_DMA_SZ - 1, - .flags = IORESOURCE_MEM, + .flags = IORESOURCE_MEM | IORESOURCE_PCI_FIXED, }; static struct resource ssb_pcicore_io_resource = { .name = "SSB PCIcore external I/O", .start = 0x100, .end = 0x7FF, - .flags = IORESOURCE_IO, + .flags = IORESOURCE_IO | IORESOURCE_PCI_FIXED, }; static struct pci_controller ssb_pcicore_controller = { @@ -368,7 +374,8 @@ static void ssb_pcicore_init_hostmode(struct ssb_pcicore *pc) /* Ok, ready to run, register it to the system. * The following needs change, if we want to port hostmode * to non-MIPS platform. */ - set_io_port_base((unsigned long)ioremap_nocache(SSB_PCI_MEM, 0x04000000)); + ssb_pcicore_controller.io_map_base = (unsigned long)ioremap_nocache(SSB_PCI_MEM, 0x04000000); + set_io_port_base(ssb_pcicore_controller.io_map_base); /* Give some time to the PCI controller to configure itself with the new * values. Not waiting at this point causes crashes of the machine. */ mdelay(10); -- cgit v1.2.3 From 1186974f3ffe3c1796e5efce7afffefcfda9a6f0 Mon Sep 17 00:00:00 2001 From: Ming Lin Date: Thu, 21 Feb 2008 02:01:30 -0500 Subject: ACPI: fix build warning MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit CC drivers/acpi/executer/exregion.o drivers/acpi/executer/exregion.c: In function ‘acpi_ex_pci_config_space_handler’: drivers/acpi/executer/exregion.c:369: attention : passing argument 3 of ‘acpi_os_read_pci_configuration’ from incompatible pointer type exposed by 10270d4838bdc493781f5a1cf2e90e9c34c9142f http://bugzilla.kernel.org/show_bug.cgi?id=9989 Signed-off-by: Ming Lin Signed-off-by: Len Brown --- drivers/acpi/executer/exregion.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/executer/exregion.c b/drivers/acpi/executer/exregion.c index 2e9ce94798c..3f51b7e84a1 100644 --- a/drivers/acpi/executer/exregion.c +++ b/drivers/acpi/executer/exregion.c @@ -338,6 +338,7 @@ acpi_ex_pci_config_space_handler(u32 function, acpi_status status = AE_OK; struct acpi_pci_id *pci_id; u16 pci_register; + u32 value32; ACPI_FUNCTION_TRACE(ex_pci_config_space_handler); @@ -364,9 +365,9 @@ acpi_ex_pci_config_space_handler(u32 function, switch (function) { case ACPI_READ: - *value = 0; status = acpi_os_read_pci_configuration(pci_id, pci_register, - value, bit_width); + &value32, bit_width); + *value = value32; break; case ACPI_WRITE: -- cgit v1.2.3 From c6868ea00bdebe5762fa59e54b74b4cd4e3b4e6e Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Sun, 3 Feb 2008 22:53:31 +0100 Subject: PCI ACPI: Fix comment describing acpi_pci_choose_state The last line of the comment preceding the definition of acpi_pci_choose_state() is incorrect. Remove it. Signed-off-by: Rafael J. Wysocki Acked-by: Pavel Machek Signed-off-by: Len Brown --- drivers/pci/pci-acpi.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'drivers') diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index e569645d59e..e818e52dc39 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -241,8 +241,6 @@ EXPORT_SYMBOL(pci_osc_control_set); * choose from highest power _SxD to lowest power _SxW * else // no _PRW at S-state x * choose highest power _SxD or any lower power - * - * currently we simply return _SxD, if present. */ static pci_power_t acpi_pci_choose_state(struct pci_dev *pdev, -- cgit v1.2.3 From 19e20c913bae2dd458b9fc42afab0c53f16562d1 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Sun, 3 Feb 2008 22:55:18 +0100 Subject: PM: Make suspend_device() static suspend_device() can become static. Signed-off-by: Adrian Bunk Signed-off-by: Rafael J. Wysocki Acked-by: Pavel Machek Signed-off-by: Len Brown --- drivers/base/power/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index bdc03f7e842..a96ca86a7b4 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -415,7 +415,7 @@ EXPORT_SYMBOL_GPL(device_power_down); * @dev: Device. * @state: Power state device is entering. */ -int suspend_device(struct device *dev, pm_message_t state) +static int suspend_device(struct device *dev, pm_message_t state) { int error = 0; -- cgit v1.2.3 From fae603121428ba83b7343c88e68a7144525ab3eb Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Wed, 20 Feb 2008 21:10:06 +0100 Subject: firewire: fix NULL pointer deref. and resource leak By supplying ioctl()s in the wrong order, a userspace client was able to trigger NULL pointer dereferences. Furthermore, by calling ioctl_create_iso_context more than once, new contexts could be created without ever freeing the previously created contexts. Thanks to Anders Blomdell for the report. Signed-off-by: Stefan Richter --- drivers/firewire/fw-cdev.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/firewire/fw-cdev.c b/drivers/firewire/fw-cdev.c index 44ccee26c36..46bc197a047 100644 --- a/drivers/firewire/fw-cdev.c +++ b/drivers/firewire/fw-cdev.c @@ -646,6 +646,10 @@ static int ioctl_create_iso_context(struct client *client, void *buffer) struct fw_cdev_create_iso_context *request = buffer; struct fw_iso_context *context; + /* We only support one context at this time. */ + if (client->iso_context != NULL) + return -EBUSY; + if (request->channel > 63) return -EINVAL; @@ -792,8 +796,9 @@ static int ioctl_start_iso(struct client *client, void *buffer) { struct fw_cdev_start_iso *request = buffer; - if (request->handle != 0) + if (client->iso_context == NULL || request->handle != 0) return -EINVAL; + if (client->iso_context->type == FW_ISO_CONTEXT_RECEIVE) { if (request->tags == 0 || request->tags > 15) return -EINVAL; @@ -810,7 +815,7 @@ static int ioctl_stop_iso(struct client *client, void *buffer) { struct fw_cdev_stop_iso *request = buffer; - if (request->handle != 0) + if (client->iso_context == NULL || request->handle != 0) return -EINVAL; return fw_iso_context_stop(client->iso_context); -- cgit v1.2.3 From 7ab47050453c10da13940114dea9c7f1c6ad323f Mon Sep 17 00:00:00 2001 From: Balaji Rao Date: Sat, 9 Feb 2008 00:52:40 +0530 Subject: cpufreq: fix kobject reference count handling The cpufreq core should not take an extra kobject reference count for no reason, and then refuse to release it. This has been reported as keeping machines from properly powering down all the way. Signed-off-by: Balaji Rao Cc: Dave Jones Cc: Yi Yang Cc: Alan Stern Cc: Frans Pop Cc: Yinghai Lu Cc: Ingo Molnar Signed-off-by: Greg Kroah-Hartman --- drivers/cpufreq/cpufreq.c | 8 -------- 1 file changed, 8 deletions(-) (limited to 'drivers') diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 64926aa990d..89a29cd9378 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1006,14 +1006,6 @@ static int __cpufreq_remove_dev (struct sys_device * sys_dev) } #endif - - if (!kobject_get(&data->kobj)) { - spin_unlock_irqrestore(&cpufreq_driver_lock, flags); - cpufreq_debug_enable_ratelimit(); - unlock_policy_rwsem_write(cpu); - return -EFAULT; - } - #ifdef CONFIG_SMP #ifdef CONFIG_HOTPLUG_CPU -- cgit v1.2.3 From 7199677d2e919edc75d1fb8856c98cd0c1bbcfc5 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Mon, 18 Feb 2008 13:09:03 -0800 Subject: driver-core: fix kernel-doc function parameters Fix drivers/base/ missing kernel-doc parameters: Warning(linux-2.6.24-git12//drivers/base/driver.c:133): No description found for parameter 'drv' Warning(linux-2.6.24-git12//drivers/base/driver.c:133): No description found for parameter 'kobj' Warning(linux-2.6.24-git12//drivers/base/driver.c:133): No description found for parameter 'fmt' Warning(linux-2.6.24-git12//drivers/base/power/main.c:530): No description found for parameter 'state' Signed-off-by: Randy Dunlap Signed-off-by: Greg Kroah-Hartman --- drivers/base/driver.c | 3 +++ drivers/base/power/main.c | 1 + 2 files changed, 4 insertions(+) (limited to 'drivers') diff --git a/drivers/base/driver.c b/drivers/base/driver.c index ba75184c653..bf31a0170a4 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -120,6 +120,9 @@ EXPORT_SYMBOL_GPL(driver_remove_file); /** * driver_add_kobj - add a kobject below the specified driver + * @drv: requesting device driver + * @kobj: kobject to add below this driver + * @fmt: format string that names the kobject * * You really don't want to do this, this is only here due to one looney * iseries driver, go poke those developers if you are annoyed about diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index bdc03f7e842..d6095608465 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -523,6 +523,7 @@ static void lock_all_devices(void) /** * device_suspend - Save state and stop all devices in system. + * @state: new power management state * * Prevent new devices from being registered, then lock all devices * and suspend them. -- cgit v1.2.3 From 0763446429e46fd973f507f79900b95eb8aae2e4 Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Mon, 18 Feb 2008 17:04:25 +0100 Subject: Driver core: Fix error handling in bus_add_driver(). - If the allocation of ->priv fails, the reference on the bus must be dropped. - If adding the kobject fails, kobject_put must be called to clean things up. Signed-off-by: Cornelia Huck Signed-off-by: Greg Kroah-Hartman --- drivers/base/bus.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/base/bus.c b/drivers/base/bus.c index 055989e9479..2d207ad3033 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -658,9 +658,10 @@ int bus_add_driver(struct device_driver *drv) pr_debug("bus: '%s': add driver %s\n", bus->name, drv->name); priv = kzalloc(sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; - + if (!priv) { + error = -ENOMEM; + goto out_put_bus; + } klist_init(&priv->klist_devices, NULL, NULL); priv->driver = drv; drv->p = priv; @@ -668,7 +669,7 @@ int bus_add_driver(struct device_driver *drv) error = kobject_init_and_add(&priv->kobj, &driver_ktype, NULL, "%s", drv->name); if (error) - goto out_put_bus; + goto out_unregister; if (drv->bus->p->drivers_autoprobe) { error = driver_attach(drv); -- cgit v1.2.3 From 2952755ce364b81f904b49397f6b0004dead2c9f Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Wed, 13 Feb 2008 23:20:36 +0100 Subject: ide: mark "ide=reverse" option as obsolete - it is valid only if "Probe IDE PCI devices in the PCI bus order (DEPRECATED)" config option is used - Greg needs to remove pci_get_device_reverse() for PCI core changes Cc: Alan Cox Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz Signed-off-by: Greg Kroah-Hartman --- drivers/ide/ide.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 4a8952a6c3d..477833f0daf 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -1229,7 +1229,7 @@ static int __init ide_setup(char *s) if (!strcmp(s, "ide=reverse")) { ide_scan_direction = 1; printk(" : Enabled support for IDE inverse scan order.\n"); - return 1; + goto obsolete_option; } #endif -- cgit v1.2.3 From 4f808bcdf8dcf1f1ecd028f6d5c5347db4cddc54 Mon Sep 17 00:00:00 2001 From: Brandon Philips Date: Tue, 19 Feb 2008 01:55:05 -0800 Subject: UIO: fix Greg's stupid changes This fixes two bugs with UIO that cropped up recently in -rc1 1) WARNING: at fs/sysfs/file.c:334 sysfs_open_file when trying to open a map addr/size file - complaining about missing sysfs_ops for ktype 2) Permission denied when reading uio/uio0/maps/map0/{addr,size} when files are mode S_IRUGO Also fix a typo: attr_attribute -> addr_attribute Signed-off-by: Brandon Philips Signed-off-by: Hans J. Koch Signed-off-by: Greg Kroah-Hartman --- drivers/uio/uio.c | 54 +++++++++++++++++++++++++++++++++++++----------------- 1 file changed, 37 insertions(+), 17 deletions(-) (limited to 'drivers') diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c index 2a77e9d42c6..e8a01f26454 100644 --- a/drivers/uio/uio.c +++ b/drivers/uio/uio.c @@ -57,29 +57,29 @@ struct uio_map { }; #define to_map(map) container_of(map, struct uio_map, kobj) - -static ssize_t map_attr_show(struct kobject *kobj, struct kobj_attribute *attr, - char *buf) +static ssize_t map_addr_show(struct uio_mem *mem, char *buf) { - struct uio_map *map = to_map(kobj); - struct uio_mem *mem = map->mem; - - if (strncmp(attr->attr.name, "addr", 4) == 0) - return sprintf(buf, "0x%lx\n", mem->addr); - - if (strncmp(attr->attr.name, "size", 4) == 0) - return sprintf(buf, "0x%lx\n", mem->size); + return sprintf(buf, "0x%lx\n", mem->addr); +} - return -ENODEV; +static ssize_t map_size_show(struct uio_mem *mem, char *buf) +{ + return sprintf(buf, "0x%lx\n", mem->size); } -static struct kobj_attribute attr_attribute = - __ATTR(addr, S_IRUGO, map_attr_show, NULL); -static struct kobj_attribute size_attribute = - __ATTR(size, S_IRUGO, map_attr_show, NULL); +struct uio_sysfs_entry { + struct attribute attr; + ssize_t (*show)(struct uio_mem *, char *); + ssize_t (*store)(struct uio_mem *, const char *, size_t); +}; + +static struct uio_sysfs_entry addr_attribute = + __ATTR(addr, S_IRUGO, map_addr_show, NULL); +static struct uio_sysfs_entry size_attribute = + __ATTR(size, S_IRUGO, map_size_show, NULL); static struct attribute *attrs[] = { - &attr_attribute.attr, + &addr_attribute.attr, &size_attribute.attr, NULL, /* need to NULL terminate the list of attributes */ }; @@ -90,8 +90,28 @@ static void map_release(struct kobject *kobj) kfree(map); } +static ssize_t map_type_show(struct kobject *kobj, struct attribute *attr, + char *buf) +{ + struct uio_map *map = to_map(kobj); + struct uio_mem *mem = map->mem; + struct uio_sysfs_entry *entry; + + entry = container_of(attr, struct uio_sysfs_entry, attr); + + if (!entry->show) + return -EIO; + + return entry->show(mem, buf); +} + +static struct sysfs_ops uio_sysfs_ops = { + .show = map_type_show, +}; + static struct kobj_type map_attr_type = { .release = map_release, + .sysfs_ops = &uio_sysfs_ops, .default_attrs = attrs, }; -- cgit v1.2.3 From ec5a42465abc585a7f8117be5eecc361490e48ce Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Wed, 20 Feb 2008 02:01:41 +0100 Subject: PM: Remove unbalanced mutex_unlock() from dpm_resume() Remove an unnecessary unlocking of dpm_list_mtx in the error path in drivers/base/power/main.c:dpm_suspend() . Signed-off-by: Rafael J. Wysocki Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/base/power/main.c | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers') diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index d6095608465..cea5ed3919c 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -479,7 +479,6 @@ static int dpm_suspend(pm_message_t state) mutex_lock(&dpm_list_mtx); if (list_empty(&dev->power.entry)) list_add(&dev->power.entry, &dpm_locked); - mutex_unlock(&dpm_list_mtx); break; } mutex_lock(&dpm_list_mtx); -- cgit v1.2.3 From 498fbb5d411fc8f6207c210796c9308bf54a51a5 Mon Sep 17 00:00:00 2001 From: Gary Hade Date: Wed, 6 Feb 2008 15:43:05 -0800 Subject: PCI: hotplug: acpiphp_ibm: Remove get device information drivers/pci/hotplug/acpiphp_ibm.c:ibm_find_acpi_device() is not large enough to accommodate data returned by the _CID method executed from acpi_get_object_info(). This patch eliminates the problem by letting ACPI code (instead of driver code) determine and obtain a correctly sized buffer. Signed-off-by: Gary Hade Signed-off-by: Kristen Carlson Accardi Signed-off-by: Greg Kroah-Hartman --- drivers/pci/hotplug/acpiphp_ibm.c | 33 +++++++++++++++++---------------- 1 file changed, 17 insertions(+), 16 deletions(-) (limited to 'drivers') diff --git a/drivers/pci/hotplug/acpiphp_ibm.c b/drivers/pci/hotplug/acpiphp_ibm.c index 750ebd7a4c1..b0a22b92717 100644 --- a/drivers/pci/hotplug/acpiphp_ibm.c +++ b/drivers/pci/hotplug/acpiphp_ibm.c @@ -395,33 +395,34 @@ static acpi_status __init ibm_find_acpi_device(acpi_handle handle, { acpi_handle *phandle = (acpi_handle *)context; acpi_status status; - struct acpi_device_info info; - struct acpi_buffer info_buffer = { - .length = sizeof(struct acpi_device_info), - .pointer = &info, - }; + struct acpi_device_info *info; + struct acpi_buffer info_buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + int retval = 0; status = acpi_get_object_info(handle, &info_buffer); if (ACPI_FAILURE(status)) { - err("%s: Failed to get device information\n", __FUNCTION__); - return 0; + err("%s: Failed to get device information status=0x%x\n", + __FUNCTION__, status); + return retval; } - info.hardware_id.value[sizeof(info.hardware_id.value) - 1] = '\0'; - - if (info.current_status && (info.valid & ACPI_VALID_HID) && - (!strcmp(info.hardware_id.value, IBM_HARDWARE_ID1) || - !strcmp(info.hardware_id.value, IBM_HARDWARE_ID2))) { - dbg("found hardware: %s, handle: %p\n", info.hardware_id.value, - handle); + info = info_buffer.pointer; + info->hardware_id.value[sizeof(info->hardware_id.value) - 1] = '\0'; + + if (info->current_status && (info->valid & ACPI_VALID_HID) && + (!strcmp(info->hardware_id.value, IBM_HARDWARE_ID1) || + !strcmp(info->hardware_id.value, IBM_HARDWARE_ID2))) { + dbg("found hardware: %s, handle: %p\n", + info->hardware_id.value, handle); *phandle = handle; /* returning non-zero causes the search to stop * and returns this value to the caller of * acpi_walk_namespace, but it also causes some warnings * in the acpi debug code to print... */ - return FOUND_APCI; + retval = FOUND_APCI; } - return 0; + kfree(info); + return retval; } static int __init ibm_acpiphp_init(void) -- cgit v1.2.3 From f96ee7a41ed93ce5962961eb07c2afe8cddb6603 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Mon, 4 Feb 2008 23:35:48 -0800 Subject: PCI: drivers/pcmcia/i82092.c: fix up after pci_bus_region changes drivers/pcmcia/i82092.c: In function 'i82092aa_set_mem_map': drivers/pcmcia/i82092.c:650: warning: format '%lx' expects type 'long unsigned int', but argument 3 has type 'resource_size_t' drivers/pcmcia/i82092.c:650: warning: format '%lx' expects type 'long unsigned int', but argument 4 has type 'resource_size_t' Cc: Benjamin Herrenschmidt Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- drivers/pcmcia/i82092.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/pcmcia/i82092.c b/drivers/pcmcia/i82092.c index 749515534cc..e54ecc580d9 100644 --- a/drivers/pcmcia/i82092.c +++ b/drivers/pcmcia/i82092.c @@ -647,7 +647,12 @@ static int i82092aa_set_mem_map(struct pcmcia_socket *socket, struct pccard_mem_ if ( (mem->card_start > 0x3ffffff) || (region.start > region.end) || (mem->speed > 1000) ) { leave("i82092aa_set_mem_map: invalid address / speed"); - printk("invalid mem map for socket %i : %lx to %lx with a start of %x \n",sock,region.start, region.end, mem->card_start); + printk("invalid mem map for socket %i: %llx to %llx with a " + "start of %x\n", + sock, + (unsigned long long)region.start, + (unsigned long long)region.end, + mem->card_start); return -EINVAL; } -- cgit v1.2.3 From 05a7d22b9f02e7fe8fb5ff972b46743948139b3c Mon Sep 17 00:00:00 2001 From: Crane Cai Date: Sat, 2 Feb 2008 13:56:56 +0800 Subject: PCI: AMD SATA IDE mode quirk PCI: modify SATA IDE mode quirk When initialize and resume, SB600/700/800 need to set SATA mode correctly. Signed-off-by: Crane Cai Acked-by: Jeff Garzik Signed-off-by: Greg Kroah-Hartman --- drivers/pci/quirks.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 0a953d43b9a..f0b3b7166b4 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -867,13 +867,13 @@ static void quirk_disable_pxb(struct pci_dev *pdev) DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82454NX, quirk_disable_pxb); DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82454NX, quirk_disable_pxb); - -static void __devinit quirk_sb600_sata(struct pci_dev *pdev) +static void __devinit quirk_amd_ide_mode(struct pci_dev *pdev) { - /* set sb600 sata to ahci mode */ - if ((pdev->class >> 8) == PCI_CLASS_STORAGE_IDE) { - u8 tmp; + /* set sb600/sb700/sb800 sata to ahci mode */ + u8 tmp; + pci_read_config_byte(pdev, PCI_CLASS_DEVICE, &tmp); + if (tmp == 0x01) { pci_read_config_byte(pdev, 0x40, &tmp); pci_write_config_byte(pdev, 0x40, tmp|1); pci_write_config_byte(pdev, 0x9, 1); @@ -881,10 +881,13 @@ static void __devinit quirk_sb600_sata(struct pci_dev *pdev) pci_write_config_byte(pdev, 0x40, tmp); pdev->class = PCI_CLASS_STORAGE_SATA_AHCI; + dev_info(&pdev->dev, "set SATA to AHCI mode\n"); } } -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_sb600_sata); -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_sb600_sata); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_amd_ide_mode); +DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_amd_ide_mode); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_amd_ide_mode); +DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_amd_ide_mode); /* * Serverworks CSB5 IDE does not fully support native mode -- cgit v1.2.3 From 8b3c7622057266d77222a7b54ea7c529270b8901 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Sun, 3 Feb 2008 15:06:25 -0800 Subject: PCI: kernel-doc: fix pci-acpi warning Fix PCI kernel-doc warning: Warning(linux-2.6.24-git12//drivers/pci/pci-acpi.c:166): No description found for parameter 'hid' Signed-off-by: Randy Dunlap Signed-off-by: Greg Kroah-Hartman --- drivers/pci/pci-acpi.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index e569645d59e..2f2d308c9aa 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -158,6 +158,7 @@ run_osc_out: /** * __pci_osc_support_set - register OS support to Firmware * @flags: OS support bits + * @hid: hardware ID * * Update OS support fields and doing a _OSC Query to obtain an update * from Firmware on supported control bits. -- cgit v1.2.3 From 9dc625e72309e1c919ea3e7f51d0ffca96123787 Mon Sep 17 00:00:00 2001 From: Peer Chen Date: Mon, 4 Feb 2008 23:50:13 -0800 Subject: PCI: quirks: set 'En' bit of MSI Mapping for devices onHT-based nvidia platform According to HT spec, to get message interrupt from devices mapped to HT interrupt message, the 'En' bit of MSI Mapping capability need to be set. The patch do this setting in quirks code for the devices on HT-based nvidia platform. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Andy Currid Signed-off-by: Peer Chen Cc: "Eric W. Biederman" Cc: Ingo Molnar Cc: Thomas Gleixner Cc: Andi Kleen Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- drivers/pci/quirks.c | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) (limited to 'drivers') diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index f0b3b7166b4..bbad4a9f264 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -1778,6 +1778,68 @@ static void __devinit quirk_nvidia_ck804_msi_ht_cap(struct pci_dev *dev) DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_CK804_PCIE, quirk_nvidia_ck804_msi_ht_cap); +/* + * Force enable MSI mapping capability on HT bridges */ +static inline void ht_enable_msi_mapping(struct pci_dev *dev) +{ + int pos, ttl = 48; + + pos = pci_find_ht_capability(dev, HT_CAPTYPE_MSI_MAPPING); + while (pos && ttl--) { + u8 flags; + + if (pci_read_config_byte(dev, pos + HT_MSI_FLAGS, + &flags) == 0) { + dev_info(&dev->dev, "Enabling HT MSI Mapping\n"); + + pci_write_config_byte(dev, pos + HT_MSI_FLAGS, + flags | HT_MSI_FLAGS_ENABLE); + } + pos = pci_find_next_ht_capability(dev, pos, + HT_CAPTYPE_MSI_MAPPING); + } +} + +static void __devinit nv_msi_ht_cap_quirk(struct pci_dev *dev) +{ + struct pci_dev *host_bridge; + int pos, ttl = 48; + + /* + * HT MSI mapping should be disabled on devices that are below + * a non-Hypertransport host bridge. Locate the host bridge... + */ + host_bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0)); + if (host_bridge == NULL) { + dev_warn(&dev->dev, + "nv_msi_ht_cap_quirk didn't locate host bridge\n"); + return; + } + + pos = pci_find_ht_capability(host_bridge, HT_CAPTYPE_SLAVE); + if (pos != 0) { + /* Host bridge is to HT */ + ht_enable_msi_mapping(dev); + return; + } + + /* Host bridge is not to HT, disable HT MSI mapping on this device */ + pos = pci_find_ht_capability(dev, HT_CAPTYPE_MSI_MAPPING); + while (pos && ttl--) { + u8 flags; + + if (pci_read_config_byte(dev, pos + HT_MSI_FLAGS, + &flags) == 0) { + dev_info(&dev->dev, "Quirk disabling HT MSI mapping"); + pci_write_config_byte(dev, pos + HT_MSI_FLAGS, + flags & ~HT_MSI_FLAGS_ENABLE); + } + pos = pci_find_next_ht_capability(dev, pos, + HT_CAPTYPE_MSI_MAPPING); + } +} +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID, nv_msi_ht_cap_quirk); + static void __devinit quirk_msi_intx_disable_bug(struct pci_dev *dev) { dev->dev_flags |= PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG; -- cgit v1.2.3 From 6e4be1ff2e767fc3a34c5e8d67c3cba107c02099 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 5 Feb 2008 00:01:48 -0800 Subject: PCI: don't load acpi_php when acpi is disabled When acpi=off and pci=nomsi, don't load acpiphp. Fixes this: pci_hotplug: PCI Hot Plug PCI Core version: 0.5 acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 ACPI Exception (utmutex-0263): AE_BAD_PARAMETER, Thread FFFF81103CC54000 could not acquire Mutex [1] [20070126] [akpm@linux-foundation.org: export acpi_pci_disabled for acpiphp.ko] [akpm@linux-foundation.org: fix return statement] Signed-off-by: Yinghai Lu Cc: Kristen Carlson Accardi Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- arch/x86/kernel/acpi/boot.c | 3 ++- drivers/pci/hotplug/acpiphp_core.c | 6 ++++++ 2 files changed, 8 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 680b7300a48..2cdc9de9371 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -72,7 +72,8 @@ static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id) { return #define PREFIX "ACPI: " int acpi_noirq; /* skip ACPI IRQ initialization */ -int acpi_pci_disabled __initdata; /* skip ACPI PCI scan and IRQ initialization */ +int acpi_pci_disabled; /* skip ACPI PCI scan and IRQ initialization */ +EXPORT_SYMBOL(acpi_pci_disabled); int acpi_ht __initdata = 1; /* enable HT */ int acpi_lapic; diff --git a/drivers/pci/hotplug/acpiphp_core.c b/drivers/pci/hotplug/acpiphp_core.c index c8c263875c2..9279d5ba62e 100644 --- a/drivers/pci/hotplug/acpiphp_core.c +++ b/drivers/pci/hotplug/acpiphp_core.c @@ -392,6 +392,9 @@ static int __init acpiphp_init(void) { info(DRIVER_DESC " version: " DRIVER_VERSION "\n"); + if (acpi_pci_disabled) + return 0; + acpiphp_debug = debug; /* read all the ACPI info from the system */ @@ -401,6 +404,9 @@ static int __init acpiphp_init(void) static void __exit acpiphp_exit(void) { + if (acpi_pci_disabled) + return; + /* deallocate internal data structures etc. */ acpiphp_glue_exit(); } -- cgit v1.2.3 From 13d36c248379ca09c269f5dbed6dce1e3a326a48 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Mon, 4 Feb 2008 23:50:12 -0800 Subject: PCI: fix up setup-bus.c #ifdef Use upper_32_bits(): no code changes, one less ifdef. Acked-by: Benjamin Herrenschmidt Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- drivers/pci/setup-bus.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 262b0439abe..125e7b7f34f 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -206,10 +206,8 @@ pci_setup_bridge(struct pci_bus *bus) if (bus->resource[2]->flags & IORESOURCE_PREFETCH) { l = (region.start >> 16) & 0xfff0; l |= region.end & 0xfff00000; -#ifdef CONFIG_RESOURCES_64BIT - bu = region.start >> 32; - lu = region.end >> 32; -#endif + bu = upper_32_bits(region.start); + lu = upper_32_bits(region.end); DBG(KERN_INFO " PREFETCH window: 0x%016llx-0x%016llx\n", (unsigned long long)region.start, (unsigned long long)region.end); -- cgit v1.2.3 From 79df4c60c5b24ebc90f591d5991b22782813fcfe Mon Sep 17 00:00:00 2001 From: Kenji Kaneshige Date: Thu, 21 Feb 2008 15:24:16 +0900 Subject: PCI: Fix wrong reference counter check for proc_dir_entry Fix wrong counter check for proc_dir_entry in pci_proc_detach_device(). The pci_proc_detach_device() returns with -EBUSY before calling remove_proc_entry() if the reference counter of proc_dir_entry is not 0. But this check is wrong and pci_proc_detach_device() always fails because the reference counter of proc_dir_entry is initialized with 1 at creating time and decremented in remove_proc_entry(). This bug cause strange behaviour as followings: - Accessing /proc/bus/pci/XXXX/YY file after hot-removing pci adapter card causes kernel panic. - Repeating hot-add/hot-remove of pci adapter card increases files with the same name under /proc/bus/pci/XXXX/ directory. For example: # pwd /proc/bus/pci/0002:09 # ls 01.0 # for i in `seq 5` > do > echo 0 > /sys/bus/pci/slots/0009_0032/power > echo 1 > /sys/bus/pci/slots/0009_0032/power > done # ls 01.0 01.0 01.0 01.0 01.0 01.0 The pci_proc_detach_device() should check if the reference counter is not larger than 1 instead. Signed-off-by: Kenji Kaneshige Signed-off-by: Greg Kroah-Hartman --- drivers/pci/proc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c index 68aeeb7206d..ef18fcd641e 100644 --- a/drivers/pci/proc.c +++ b/drivers/pci/proc.c @@ -422,7 +422,7 @@ int pci_proc_detach_device(struct pci_dev *dev) struct proc_dir_entry *e; if ((e = dev->procent)) { - if (atomic_read(&e->count)) + if (atomic_read(&e->count) > 1) return -EBUSY; remove_proc_entry(e->name, dev->bus->procdir); dev->procent = NULL; -- cgit v1.2.3 From bbc5d276ec1e24d48f794dae1c4bdfc1512f65d5 Mon Sep 17 00:00:00 2001 From: Roel Kluin <12o3l@tiscali.nl> Date: Thu, 7 Feb 2008 01:06:07 +0100 Subject: USB: ftdi_sio.c add missing '|' add missing '|' Signed-off-by: Roel Kluin <12o3l@tiscali.nl> Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/ftdi_sio.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 90dcc625f70..76db2fef465 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -393,8 +393,8 @@ static const char *ftdi_chip_name[] = { #define FTDI_STATUS_B1_MASK (FTDI_RS_BI) /* End TIOCMIWAIT */ -#define FTDI_IMPL_ASYNC_FLAGS = ( ASYNC_SPD_HI | ASYNC_SPD_VHI \ - ASYNC_SPD_CUST | ASYNC_SPD_SHI | ASYNC_SPD_WARP ) +#define FTDI_IMPL_ASYNC_FLAGS = (ASYNC_SPD_HI | ASYNC_SPD_VHI \ + | ASYNC_SPD_CUST | ASYNC_SPD_SHI | ASYNC_SPD_WARP) /* function prototypes for a FTDI serial converter */ static int ftdi_sio_probe (struct usb_serial *serial, const struct usb_device_id *id); -- cgit v1.2.3 From 2129c4e1b4469e1f9711a54e97e8ddf8b26bb62d Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Fri, 1 Feb 2008 13:58:52 +0100 Subject: USB: Sane memory allocation in option driver The option driver - violates DMA coherency rules - allocates ~16500 bytes in one chunk This patch splits out the buffers and uses __get_free_page() to avoid higher order allocations. Signed-off-by: Oliver Neukum Acked-By: Matthias Urlichs Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/option.c | 33 ++++++++++++++++++++++++++++++--- 1 file changed, 30 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 5e8bf1bc1e5..a8126988efe 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -247,10 +247,10 @@ static int debug; struct option_port_private { /* Input endpoints and buffer for this port */ struct urb *in_urbs[N_IN_URB]; - char in_buffer[N_IN_URB][IN_BUFLEN]; + u8 *in_buffer[N_IN_URB]; /* Output endpoints and buffer for this port */ struct urb *out_urbs[N_OUT_URB]; - char out_buffer[N_OUT_URB][OUT_BUFLEN]; + u8 *out_buffer[N_OUT_URB]; unsigned long out_busy; /* Bit vector of URBs in use */ /* Settings for the port */ @@ -737,9 +737,10 @@ static int option_send_setup(struct usb_serial_port *port) static int option_startup(struct usb_serial *serial) { - int i, err; + int i, j, err; struct usb_serial_port *port; struct option_port_private *portdata; + u8 *buffer; dbg("%s", __FUNCTION__); @@ -753,6 +754,20 @@ static int option_startup(struct usb_serial *serial) return (1); } + for (j = 0; j < N_IN_URB; j++) { + buffer = (u8 *)__get_free_page(GFP_KERNEL); + if (!buffer) + goto bail_out_error; + portdata->in_buffer[j] = buffer; + } + + for (j = 0; j < N_OUT_URB; j++) { + buffer = kmalloc(OUT_BUFLEN, GFP_KERNEL); + if (!buffer) + goto bail_out_error2; + portdata->out_buffer[j] = buffer; + } + usb_set_serial_port_data(port, portdata); if (! port->interrupt_in_urb) @@ -766,6 +781,16 @@ static int option_startup(struct usb_serial *serial) option_setup_urbs(serial); return (0); + +bail_out_error2: + for (j = 0; j < N_OUT_URB; j++) + kfree(portdata->out_buffer[j]); +bail_out_error: + for (j = 0; j < N_IN_URB; j++) + if (portdata->in_buffer[j]) + free_page((unsigned long)portdata->in_buffer[j]); + kfree(portdata); + return 1; } static void option_shutdown(struct usb_serial *serial) @@ -794,12 +819,14 @@ static void option_shutdown(struct usb_serial *serial) for (j = 0; j < N_IN_URB; j++) { if (portdata->in_urbs[j]) { usb_free_urb(portdata->in_urbs[j]); + free_page((unsigned long)portdata->in_buffer[j]); portdata->in_urbs[j] = NULL; } } for (j = 0; j < N_OUT_URB; j++) { if (portdata->out_urbs[j]) { usb_free_urb(portdata->out_urbs[j]); + kfree(portdata->out_buffer[j]); portdata->out_urbs[j] = NULL; } } -- cgit v1.2.3 From 1902869019918411c148c18cc3a22aade569ac9a Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Tue, 12 Feb 2008 19:08:30 +0100 Subject: USB: fix pm counter leak in usblp if you fail in open() you must decrement the pm counter again. Signed-off-by: Oliver Neukum Cc: stable Signed-off-by: Pete Zaitcev --- drivers/usb/class/usblp.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index ad632f2d6f9..0647164d36d 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -428,6 +428,7 @@ static int usblp_open(struct inode *inode, struct file *file) usblp->rcomplete = 0; if (handle_bidir(usblp) < 0) { + usb_autopm_put_interface(intf); usblp->used = 0; file->private_data = NULL; retval = -EIO; -- cgit v1.2.3 From 59036e94732edc2fb957465008c68bbcfc6736fa Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Mon, 4 Feb 2008 23:57:49 -0800 Subject: USB: usb: yet another Dell wireless CDMA/EVDO modem Add native support of the Dell wireless CDMA/EVDO modem. # modprobe usbserial vendor=0x413c product=0x8129 Following seesion lines describe modem itself at OK ati3 Manufacturer: NOVATEL WIRELESS INCORPORATED Model: EXPEDITE ET620 Revision: M6500C-BBIRD_TLS_MINI_DELL-Q40306.166 [Aug 25 2006 14:00:00] ESN: 0x5B39071D +GCAP: +CIS707-A, CIS-856, +MS, +ES, +DS, +FCLASS OK Signed-off-by: Andy Shevchenko Cc: Matthias Urlichs Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/option.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index a8126988efe..e3e71c5f1a7 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -181,6 +181,7 @@ static struct usb_device_id option_ids[] = { { USB_DEVICE(DELL_VENDOR_ID, 0x8118) }, /* Dell Wireless 5510 Mobile Broadband HSDPA ExpressCard == Novatel Merlin XU870 HSDPA/3G */ { USB_DEVICE(DELL_VENDOR_ID, 0x8128) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite E720 CDMA/EV-DO */ { USB_DEVICE(DELL_VENDOR_ID, 0x8136) }, /* Dell Wireless HSDPA 5520 == Novatel Expedite EU860D */ + { USB_DEVICE(DELL_VENDOR_ID, 0x8129) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite ET620 CDMA/EV-DO */ { USB_DEVICE(DELL_VENDOR_ID, 0x8137) }, /* Dell Wireless HSDPA 5520 */ { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) }, { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) }, -- cgit v1.2.3 From 94409cc1e507b157f8442dad80ff5e560c3205e5 Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Mon, 11 Feb 2008 15:22:29 +0100 Subject: USB: fix usb open suspend race in cdc-acm this fixes a race between open and disconnect in the CDC ACM driver. Signed-off-by: Oliver Neukum Signed-off-by: Greg Kroah-Hartman --- drivers/usb/class/cdc-acm.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index bcc42136c93..0147ea39340 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -496,13 +496,10 @@ static int acm_tty_open(struct tty_struct *tty, struct file *filp) otherwise it is scheduled, and with high data rates data can get lost. */ tty->low_latency = 1; - if (usb_autopm_get_interface(acm->control)) { - mutex_unlock(&open_mutex); - return -EIO; - } + if (usb_autopm_get_interface(acm->control) < 0) + goto early_bail; mutex_lock(&acm->mutex); - mutex_unlock(&open_mutex); if (acm->used++) { usb_autopm_put_interface(acm->control); goto done; @@ -536,6 +533,7 @@ static int acm_tty_open(struct tty_struct *tty, struct file *filp) done: err_out: mutex_unlock(&acm->mutex); + mutex_unlock(&open_mutex); return rv; full_bailout: @@ -544,6 +542,8 @@ bail_out: usb_autopm_put_interface(acm->control); acm->used--; mutex_unlock(&acm->mutex); +early_bail: + mutex_unlock(&open_mutex); return -EIO; } -- cgit v1.2.3 From 618b88670573020920a52e8754f4d5f216f74fdb Mon Sep 17 00:00:00 2001 From: Peter Korsgaard Date: Mon, 11 Feb 2008 13:16:26 +0100 Subject: USB: ehci-fsl: mpc834x config symbol is PPC_MPC834x, not MPC834x The config symbol for mpc834x processors is CONFIG_PPC_MPC834x, not CONFIG_MPC834x. Signed-off-by: Peter Korsgaard Acked-by: David Brownell Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index d97b16b52ef..2dd05441481 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -72,7 +72,7 @@ config USB_EHCI_FSL bool depends on USB_EHCI_HCD select USB_EHCI_ROOT_HUB_TT - default y if MPC834x || PPC_MPC831x + default y if PPC_MPC834x || PPC_MPC831x ---help--- Variation of ARC USB block used in some Freescale chips. -- cgit v1.2.3 From efa66f14e2d1aaad8ad7e1664d768de74ffb665b Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Sat, 9 Feb 2008 03:16:03 -0800 Subject: USB: g_printer, fix empty if statement A bug every C programmer makes at some point in time... Signed-off-by: Adrian Bunk Signed-off-by: Craig W. Nadler Signed-off-by: David Brownell Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/printer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c index 9fdabc8fcac..4f6bfa100f2 100644 --- a/drivers/usb/gadget/printer.c +++ b/drivers/usb/gadget/printer.c @@ -1299,7 +1299,7 @@ printer_unbind(struct usb_gadget *gadget) printer_req_free(dev->in_ep, req); } - if (dev->current_rx_req != NULL); + if (dev->current_rx_req != NULL) printer_req_free(dev->out_ep, dev->current_rx_req); while (!list_empty(&dev->rx_reqs)) { -- cgit v1.2.3 From 0cc5e2e7c3edd8b45775f50c74738d61b43ac5e8 Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Wed, 30 Jan 2008 16:06:03 +0100 Subject: USB: fix error handling in trancevibrator trancevibrator should not pretend success if it returns an error. Signed-off-by: Oliver Neukum Signed-off-by: Greg Kroah-Hartman --- drivers/usb/misc/trancevibrator.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/usb/misc/trancevibrator.c b/drivers/usb/misc/trancevibrator.c index 67e2fc20eee..03368edf3f2 100644 --- a/drivers/usb/misc/trancevibrator.c +++ b/drivers/usb/misc/trancevibrator.c @@ -59,13 +59,14 @@ static ssize_t set_speed(struct device *dev, struct device_attribute *attr, { struct usb_interface *intf = to_usb_interface(dev); struct trancevibrator *tv = usb_get_intfdata(intf); - int temp, retval; + int temp, retval, old; temp = simple_strtoul(buf, NULL, 10); if (temp > 255) temp = 255; else if (temp < 0) temp = 0; + old = tv->speed; tv->speed = temp; dev_dbg(&tv->udev->dev, "speed = %d\n", tv->speed); @@ -77,6 +78,7 @@ static ssize_t set_speed(struct device *dev, struct device_attribute *attr, tv->speed, /* speed value */ 0, NULL, 0, USB_CTRL_GET_TIMEOUT); if (retval) { + tv->speed = old; dev_dbg(&tv->udev->dev, "retval = %d\n", retval); return retval; } -- cgit v1.2.3 From e1a491429e7f9b6fb608d9f173e5807fba053d5b Mon Sep 17 00:00:00 2001 From: David Brownell Date: Sat, 2 Feb 2008 02:36:53 -0800 Subject: USB: fix previous sparse fix which was incorrect The previous fix for a "sparse" warning in ehci_urb_dequeue() was incorrect. After rescheduling interrupt transfers it returned the URB's completion status, not status for the dequeue operation itself. This patch resolves that issue, cleans up the code in the reschedule path, and shrinks the object code by a dozen bytes. Signed-off-by: David Brownell Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-hcd.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 4caa6a8b9a3..d64887bfa6a 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -862,18 +862,18 @@ static int ehci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) /* reschedule QH iff another request is queued */ if (!list_empty (&qh->qtd_list) && HC_IS_RUNNING (hcd->state)) { - int schedule_status; - - schedule_status = qh_schedule (ehci, qh); - spin_unlock_irqrestore (&ehci->lock, flags); - - if (schedule_status != 0) { - // shouldn't happen often, but ... - // FIXME kill those tds' urbs - err ("can't reschedule qh %p, err %d", - qh, schedule_status); - } - return status; + rc = qh_schedule(ehci, qh); + + /* An error here likely indicates handshake failure + * or no space left in the schedule. Neither fault + * should happen often ... + * + * FIXME kill the now-dysfunctional queued urbs + */ + if (rc != 0) + ehci_err(ehci, + "can't reschedule qh %p, err %d", + qh, rc); } break; -- cgit v1.2.3 From b68a42b1d98f66c70a536a540f73dba07ddd5d36 Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Mon, 4 Feb 2008 16:34:11 +0100 Subject: USB: quirks for known quirky audio devices RESET_RESUME entries for some sound devices that need it. Signed-off-by: Oliver Neukum Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/quirks.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers') diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index d42c561c75f..dc51790582d 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -33,6 +33,15 @@ static const struct usb_device_id usb_quirk_list[] = { /* HP 5300/5370C scanner */ { USB_DEVICE(0x03f0, 0x0701), .driver_info = USB_QUIRK_STRING_FETCH_255 }, + /* Creative SB Audigy 2 NX */ + { USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME }, + + /* Roland SC-8820 */ + { USB_DEVICE(0x0582, 0x0007), .driver_info = USB_QUIRK_RESET_RESUME }, + + /* Edirol SD-20 */ + { USB_DEVICE(0x0582, 0x0027), .driver_info = USB_QUIRK_RESET_RESUME }, + /* INTEL VALUE SSD */ { USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME }, -- cgit v1.2.3 From 564d61d30effcc727f9519538143a6c6aeb92e46 Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Tue, 19 Feb 2008 13:15:30 -0500 Subject: USB: option: Add Kyocera KPC680 ids Signed-off-by: Dan Williams Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/option.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers') diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index e3e71c5f1a7..fbc5aeec35d 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -113,6 +113,9 @@ static int option_send_setup(struct usb_serial_port *port); #define NOVATELWIRELESS_VENDOR_ID 0x1410 #define DELL_VENDOR_ID 0x413C +#define KYOCERA_VENDOR_ID 0x0c88 +#define KYOCERA_PRODUCT_KPC680 0x180a + #define ANYDATA_VENDOR_ID 0x16d5 #define ANYDATA_PRODUCT_ADU_E100A 0x6501 #define ANYDATA_PRODUCT_ADU_500A 0x6502 @@ -187,6 +190,7 @@ static struct usb_device_id option_ids[] = { { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) }, { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_1) }, { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_2) }, + { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, option_ids); -- cgit v1.2.3 From aa59e053da08336e7def83e83c86369cd9fdaf8b Mon Sep 17 00:00:00 2001 From: Stefan Bader Date: Tue, 5 Feb 2008 15:25:35 -0500 Subject: USB: option: Added vendor id for Dell 5720 broadband modem this is a small patch to add support for a rebranded Novatel modem (see http://ubuntuforums.org/archive/index.php/t-608388.html for details). Signed-off-by: Stefan Bader Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/option.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index fbc5aeec35d..17ab77869ae 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -183,8 +183,9 @@ static struct usb_device_id option_ids[] = { { USB_DEVICE(DELL_VENDOR_ID, 0x8117) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO ExpressCard == Novatel Merlin XV620 CDMA/EV-DO */ { USB_DEVICE(DELL_VENDOR_ID, 0x8118) }, /* Dell Wireless 5510 Mobile Broadband HSDPA ExpressCard == Novatel Merlin XU870 HSDPA/3G */ { USB_DEVICE(DELL_VENDOR_ID, 0x8128) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite E720 CDMA/EV-DO */ - { USB_DEVICE(DELL_VENDOR_ID, 0x8136) }, /* Dell Wireless HSDPA 5520 == Novatel Expedite EU860D */ { USB_DEVICE(DELL_VENDOR_ID, 0x8129) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite ET620 CDMA/EV-DO */ + { USB_DEVICE(DELL_VENDOR_ID, 0x8133) }, /* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */ + { USB_DEVICE(DELL_VENDOR_ID, 0x8136) }, /* Dell Wireless HSDPA 5520 == Novatel Expedite EU860D */ { USB_DEVICE(DELL_VENDOR_ID, 0x8137) }, /* Dell Wireless HSDPA 5520 */ { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) }, { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) }, -- cgit v1.2.3 From a462549b6ad6d4de19a7702c13fbb954d9a10f29 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Wed, 13 Feb 2008 10:45:28 -0500 Subject: USB: usb-storage: don't clear-halt when Get-Max-LUN stalls This patch (as1032) removes the Clear-Halt calls in usb_stor_Bulk_max_lun(). Evidently some devices (such as the Oracom MP3 player) really don't like to receive these requests when their bulk endpoints aren't halted. The only reason for adding them originally was to get an ancient ZIP-100 drive to work. But since this device has only a single LUN, we don't need to send it a Get-Max-LUN request at all. Adding an unusual_devs entry for the ZIP-100 with the SINGLE_LUN flag set will cause this step to be skipped. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/storage/transport.c | 11 ----------- drivers/usb/storage/unusual_devs.h | 12 ++++++++++++ 2 files changed, 12 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c index d9f4912f873..5780ed15f1a 100644 --- a/drivers/usb/storage/transport.c +++ b/drivers/usb/storage/transport.c @@ -891,17 +891,6 @@ int usb_stor_Bulk_max_lun(struct us_data *us) if (result > 0) return us->iobuf[0]; - /* - * Some devices (i.e. Iomega Zip100) need this -- apparently - * the bulk pipes get STALLed when the GetMaxLUN request is - * processed. This is, in theory, harmless to all other devices - * (regardless of if they stall or not). - */ - if (result == -EPIPE) { - usb_stor_clear_halt(us, us->recv_bulk_pipe); - usb_stor_clear_halt(us, us->send_bulk_pipe); - } - /* * Some devices don't like GetMaxLUN. They may STALL the control * pipe, they may return a zero-length result, they may do nothing at diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index fe12737e0e2..a97e7ef252f 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -759,6 +759,18 @@ UNUSUAL_DEV( 0x0595, 0x4343, 0x0000, 0x2210, "Digital Camera EX-20 DSC", US_SC_8070, US_PR_DEVICE, NULL, 0 ), +/* Reported by Andre Welter + * This antique device predates the release of the Bulk-only Transport + * spec, and if it gets a Get-Max-LUN then it requires the host to do a + * Clear-Halt on the bulk endpoints. The SINGLE_LUN flag will prevent + * us from sending the request. + */ +UNUSUAL_DEV( 0x059b, 0x0001, 0x0100, 0x0100, + "Iomega", + "ZIP 100", + US_SC_DEVICE, US_PR_DEVICE, NULL, + US_FL_SINGLE_LUN ), + /* Reported by */ UNUSUAL_DEV( 0x059f, 0x0643, 0x0000, 0x0000, "LaCie", -- cgit v1.2.3 From 9232951ada7ec2f2c1424e4c024dc8540ae97e91 Mon Sep 17 00:00:00 2001 From: Konstantin Kletschke Date: Tue, 19 Feb 2008 02:15:32 -0800 Subject: USB: storage: Nikon D80 new FW still needs Fixup Add new BCD numbers for Nikon D80 Firmware revision v1.10 to the unusual_devs.h file. Signed-off-by: Konstantin Kletschke Signed-off-by: Phil Dibowitz Signed-off-by: Greg Kroah-Hartman --- drivers/usb/storage/unusual_devs.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index a97e7ef252f..6b2b57c32f9 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -357,7 +357,7 @@ UNUSUAL_DEV( 0x04b0, 0x040f, 0x0100, 0x0200, US_FL_FIX_CAPACITY), /* Reported by Emil Larsson */ -UNUSUAL_DEV( 0x04b0, 0x0411, 0x0100, 0x0101, +UNUSUAL_DEV( 0x04b0, 0x0411, 0x0100, 0x0110, "NIKON", "NIKON DSC D80", US_SC_DEVICE, US_PR_DEVICE, NULL, -- cgit v1.2.3 From 7f4a9e8750bb904d94f37778821afd021e875c51 Mon Sep 17 00:00:00 2001 From: Warren Turkal Date: Thu, 14 Feb 2008 14:01:46 -0800 Subject: USB: Add another Novatel U727 ID to the device table for usbserial Signed-off-by: Warren Turkal Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/option.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 17ab77869ae..8c892e54d20 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -177,6 +177,7 @@ static struct usb_device_id option_ids[] = { { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2410) }, /* Novatel EU740 */ { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x4100) }, /* Novatel U727 */ { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x4400) }, /* Novatel MC950 */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x5010) }, /* Novatel U727 */ { USB_DEVICE(DELL_VENDOR_ID, 0x8114) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite EV620 CDMA/EV-DO */ { USB_DEVICE(DELL_VENDOR_ID, 0x8115) }, /* Dell Wireless 5500 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */ { USB_DEVICE(DELL_VENDOR_ID, 0x8116) }, /* Dell Wireless 5505 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */ -- cgit v1.2.3 From 41566bcf35a8b23ce4715dadb5acfd1098c1d3e4 Mon Sep 17 00:00:00 2001 From: Jan Altenberg Date: Tue, 19 Feb 2008 01:44:50 +0100 Subject: USB: gadget: queue usb USB_CDC_GET_ENCAPSULATED_RESPONSE message commit 0cf4f2de0a0f4100795f38ef894d4910678c74f8 introduced a bug, which prevents sending an USB_CDC_GET_ENCAPSULATED_RESPONSE message. This breaks the RNDIS initialization (especially / only Windoze machines dislike this behavior...). Signed-off-by: Benedikt Spranger Signed-off-by: Jan Altenberg Acked-by: David Brownell Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/ether.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c index a70e255402b..e9987230814 100644 --- a/drivers/usb/gadget/ether.c +++ b/drivers/usb/gadget/ether.c @@ -1561,6 +1561,7 @@ done_set_intf: memcpy(req->buf, buf, n); req->complete = rndis_response_complete; rndis_free_response(dev->rndis_config, buf); + value = n; } /* else stalls ... spec says to avoid that */ } -- cgit v1.2.3 From 5b0a4d66a11df34b632e48ce80ebe81da94bdb65 Mon Sep 17 00:00:00 2001 From: Stephen Ware Date: Sun, 17 Feb 2008 11:01:58 -0800 Subject: USB: add new vernier product id to ldusb.c I have a new ldusb device to go into the device table. Jiri has merged the change for hiddev quirks already. From: Stephen Ware Signed-off-by: Greg Kroah-Hartman --- drivers/usb/misc/ldusb.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/usb/misc/ldusb.c b/drivers/usb/misc/ldusb.c index 8208496dfc6..c730d20eec6 100644 --- a/drivers/usb/misc/ldusb.c +++ b/drivers/usb/misc/ldusb.c @@ -61,6 +61,7 @@ #define USB_DEVICE_ID_VERNIER_GOTEMP 0x0002 #define USB_DEVICE_ID_VERNIER_SKIP 0x0003 #define USB_DEVICE_ID_VERNIER_CYCLOPS 0x0004 +#define USB_DEVICE_ID_VERNIER_LCSPEC 0x0006 #define USB_VENDOR_ID_MICROCHIP 0x04d8 #define USB_DEVICE_ID_PICDEM 0x000c @@ -92,6 +93,7 @@ static struct usb_device_id ld_usb_table [] = { { USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) }, { USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) }, { USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICDEM) }, + { USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, ld_usb_table); -- cgit v1.2.3 From d726fb757722a3907356830a0b8d976267596d5c Mon Sep 17 00:00:00 2001 From: Kevin Lloyd Date: Thu, 14 Feb 2008 13:35:16 -0800 Subject: USB: serial: move zte MF330 from sierra to option Move the Onda H600/ZTE MF33 device from the sierra driver to the option driver. The reason it was moved is because the sierra driver is starting to support more and more sierra proprietary features, so it makes more sense to keep sierra only devices in there. Signed-off-by: Kevin Lloyd Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/option.c | 3 +++ drivers/usb/serial/sierra.c | 1 - 2 files changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 8c892e54d20..af2674c5741 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -124,6 +124,8 @@ static int option_send_setup(struct usb_serial_port *port); #define BANDRICH_PRODUCT_C100_1 0x1002 #define BANDRICH_PRODUCT_C100_2 0x1003 +#define QUALCOMM_VENDOR_ID 0x05C6 + static struct usb_device_id option_ids[] = { { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) }, { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) }, @@ -193,6 +195,7 @@ static struct usb_device_id option_ids[] = { { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_1) }, { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_2) }, { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) }, + { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */ { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, option_ids); diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index 4c925e3e8a6..e3d44ae8d44 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -178,7 +178,6 @@ static struct usb_device_id id_table [] = { { USB_DEVICE(0x1199, 0x0112), .driver_info = DEVICE_1_PORT }, /* Sierra Wireless AirCard 580 */ { USB_DEVICE(0x0F3D, 0x0112), .driver_info = DEVICE_1_PORT }, /* Airprime/Sierra PC 5220 */ - { USB_DEVICE(0x05C6, 0x6613), .driver_info = DEVICE_1_PORT }, /* Onda H600/ZTE MF330 */ { USB_DEVICE(0x1199, 0x0FFF), .driver_info = DEVICE_INSTALLER}, { } -- cgit v1.2.3 From 4e58407d5c31827de0225ea927420192a71daccd Mon Sep 17 00:00:00 2001 From: Robert Spitzenpfeil Date: Wed, 20 Feb 2008 12:11:22 -0500 Subject: USB: usb-storage: unusual_devs entry for Oracom MP3 player This patch (as1034) was written by Leonid Petrov, reported by Robert Spitzenpfeil, and updated by me. It adds an unusual_devs entry with the IGNORE_RESIDUE flag for the Oracom MP3 player. Together with the change to the Get-Max-LUN routine in as1032, it makes the player usable. Signed-off-by: Alan Stern Signed-off-by: Phil Dibowitz Signed-off-by: Greg Kroah-Hartman --- drivers/usb/storage/unusual_devs.h | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'drivers') diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 6b2b57c32f9..6494cc52a11 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -1424,6 +1424,17 @@ UNUSUAL_DEV( 0x0ed1, 0x7636, 0x0103, 0x0103, US_SC_DEVICE, US_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE | US_FL_GO_SLOW | US_FL_MAX_SECTORS_64), +/* Patch by Leonid Petrov mail at lpetrov.net + * Reported by Robert Spitzenpfeil + * http://www.qbik.ch/usb/devices/showdev.php?id=1705 + * Updated to 103 device by MJ Ray mjr at phonecoop.coop + */ +UNUSUAL_DEV( 0x0f19, 0x0103, 0x0100, 0x0100, + "Oracom Co., Ltd", + "ORC-200M", + US_SC_DEVICE, US_PR_DEVICE, NULL, + US_FL_IGNORE_RESIDUE ), + /* David Kuehling : * for MP3-Player AVOX WSX-300ER (bought in Japan). Reports lots of SCSI * errors when trying to write. -- cgit v1.2.3 From 274399d14f121d7676ecb75a461cfed6cf9e4cdb Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Wed, 20 Feb 2008 12:10:04 -0500 Subject: USB: quirks and unusual_devs entry for Actions flash drive This patch (as1033) adds a quirks entry and an unusual_devs entry for the Actions Semiconductor flash drive. This device has a 64-byte string descriptor, which it doesn't terminate with a 0-length packet. Oddly enough, the reporter's logs show that when the device was plugged in at boot time, it changes its behavior completely -- it uses a different product ID, product string descriptor, and bDeviceClass. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/quirks.c | 3 +++ drivers/usb/storage/unusual_devs.h | 9 +++++++++ 2 files changed, 12 insertions(+) (limited to 'drivers') diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index dc51790582d..f90ab5e94c5 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -28,6 +28,9 @@ * devices is broken... */ static const struct usb_device_id usb_quirk_list[] = { + /* Action Semiconductor flash disk */ + { USB_DEVICE(0x10d6, 0x2200), .driver_info = USB_QUIRK_STRING_FETCH_255}, + /* CBM - Flash disk */ { USB_DEVICE(0x0204, 0x6025), .driver_info = USB_QUIRK_RESET_RESUME }, /* HP 5300/5370C scanner */ diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 6494cc52a11..99679a8cfa0 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -1500,6 +1500,15 @@ UNUSUAL_DEV( 0x1019, 0x0c55, 0x0000, 0x0110, US_SC_DEVICE, US_PR_DEVICE, usb_stor_ucr61s2b_init, 0 ), +/* Reported by Fabio Venturi + * The device reports a vendor-specific bDeviceClass. + */ +UNUSUAL_DEV( 0x10d6, 0x2200, 0x0100, 0x0100, + "Actions Semiconductor", + "Mtp device", + US_SC_DEVICE, US_PR_DEVICE, NULL, + 0), + /* Reported by Kevin Lloyd * Entry is needed for the initializer function override, * which instructs the device to load as a modem -- cgit v1.2.3 From 7084191d53b224b953c8e1db525ea6c31aca5fc7 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Wed, 20 Feb 2008 14:15:58 -0500 Subject: USB: usb-storage: don't access beyond the end of the sg buffer This patch (as1035) fixes a bug in usb_stor_access_xfer_buf() (the bug was originally found by Boaz Harrosh): The routine must not attempt to write beyond the end of a scatter-gather list or beyond the number of bytes requested. It also fixes up the formatting of a few comments and similar whitespace issues. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/storage/protocol.c | 27 +++++++++++++++------------ 1 file changed, 15 insertions(+), 12 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/storage/protocol.c b/drivers/usb/storage/protocol.c index a41ce21c069..958f5b17847 100644 --- a/drivers/usb/storage/protocol.c +++ b/drivers/usb/storage/protocol.c @@ -150,13 +150,14 @@ void usb_stor_transparent_scsi_command(struct scsi_cmnd *srb, /* Copy a buffer of length buflen to/from the srb's transfer buffer. * Update the **sgptr and *offset variables so that the next copy will - * pick up from where this one left off. */ - + * pick up from where this one left off. + */ unsigned int usb_stor_access_xfer_buf(unsigned char *buffer, unsigned int buflen, struct scsi_cmnd *srb, struct scatterlist **sgptr, unsigned int *offset, enum xfer_buf_dir dir) { unsigned int cnt; + struct scatterlist *sg = *sgptr; /* We have to go through the list one entry * at a time. Each s-g entry contains some number of pages, and @@ -164,22 +165,23 @@ unsigned int usb_stor_access_xfer_buf(unsigned char *buffer, * in kernel-addressable memory then kmap() will return its address. * If the page is not directly accessible -- such as a user buffer * located in high memory -- then kmap() will map it to a temporary - * position in the kernel's virtual address space. */ - struct scatterlist *sg = *sgptr; + * position in the kernel's virtual address space. + */ if (!sg) sg = scsi_sglist(srb); + buflen = min(buflen, scsi_bufflen(srb)); /* This loop handles a single s-g list entry, which may - * include multiple pages. Find the initial page structure - * and the starting offset within the page, and update - * the *offset and **sgptr values for the next loop. */ + * include multiple pages. Find the initial page structure + * and the starting offset within the page, and update + * the *offset and **sgptr values for the next loop. + */ cnt = 0; - while (cnt < buflen) { + while (cnt < buflen && sg) { struct page *page = sg_page(sg) + ((sg->offset + *offset) >> PAGE_SHIFT); - unsigned int poff = - (sg->offset + *offset) & (PAGE_SIZE-1); + unsigned int poff = (sg->offset + *offset) & (PAGE_SIZE-1); unsigned int sglen = sg->length - *offset; if (sglen > buflen - cnt) { @@ -222,14 +224,15 @@ unsigned int usb_stor_access_xfer_buf(unsigned char *buffer, } /* Store the contents of buffer into srb's transfer buffer and set the - * SCSI residue. */ + * SCSI residue. + */ void usb_stor_set_xfer_buf(unsigned char *buffer, unsigned int buflen, struct scsi_cmnd *srb) { unsigned int offset = 0; struct scatterlist *sg = NULL; - usb_stor_access_xfer_buf(buffer, buflen, srb, &sg, &offset, + buflen = usb_stor_access_xfer_buf(buffer, buflen, srb, &sg, &offset, TO_XFER_BUF); if (buflen < scsi_bufflen(srb)) scsi_set_resid(srb, scsi_bufflen(srb) - buflen); -- cgit v1.2.3 From c6dd2e61d35e0fbd516c0169decc08e56619f0c6 Mon Sep 17 00:00:00 2001 From: Anton Vorontsov Date: Thu, 21 Feb 2008 22:49:13 +0300 Subject: USB: POWERPC: ehci: fix ppc build Currently, this setup: CONFIG_USB_ARCH_HAS_EHCI=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_HCD_PPC_OF=y Will fail to build: CC drivers/usb/host/ehci-hcd.o drivers/usb/host/ehci-hcd.c:1018:2: error: #error "missing bus glue for ehci-hcd" make[3]: *** [drivers/usb/host/ehci-hcd.o] Error 1 ehci-hcd.c actually contains OF_PLATFORM_DRIVER glue, so error is bogus. Signed-off-by: Anton Vorontsov Acked-by: David Brownell Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-hcd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index d64887bfa6a..b8ad55aff84 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -1014,7 +1014,7 @@ MODULE_LICENSE ("GPL"); #endif #if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) && \ - !defined(PS3_SYSTEM_BUS_DRIVER) + !defined(PS3_SYSTEM_BUS_DRIVER) && !defined(OF_PLATFORM_DRIVER) #error "missing bus glue for ehci-hcd" #endif -- cgit v1.2.3 From b5937a415fc0387c18c40d618c7e98d1e2f65b42 Mon Sep 17 00:00:00 2001 From: Anton Vorontsov Date: Thu, 21 Feb 2008 23:30:58 +0300 Subject: ehci-fsl: add PPC_MPC837x to default y This patch converts USB_EHCI_FSL config option into the verbose bool, so we'll able to select it for other freescale processors with built-in EHCI controller. Signed-off-by: Anton Vorontsov Cc: Kumar Gala Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/Kconfig | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 2dd05441481..bf8be2a41a4 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -69,10 +69,9 @@ config USB_EHCI_BIG_ENDIAN_DESC default y config USB_EHCI_FSL - bool - depends on USB_EHCI_HCD + bool "Support for Freescale on-chip EHCI USB controller" + depends on USB_EHCI_HCD && FSL_SOC select USB_EHCI_ROOT_HUB_TT - default y if PPC_MPC834x || PPC_MPC831x ---help--- Variation of ARC USB block used in some Freescale chips. -- cgit v1.2.3 From 597592d951cdca8e5edb29f7e8174f633a69685a Mon Sep 17 00:00:00 2001 From: Ian Campbell Date: Thu, 21 Feb 2008 13:03:45 -0800 Subject: xen: Implement getgeo for Xen virtual block device. The below implements the getgeo hook for Xen block devices. Extracted from the xen-unstable tree where it has been used for ages. It is useful to have because it allows things like grub2 (used by the Debian installer images) to work in a guest domain without having to sprinkle Xen specific hacks around the place. Signed-off-by: Ian Campbell Signed-off-by: Jeremy Fitzhardinge Signed-off-by: Linus Torvalds --- drivers/block/xen-blkfront.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'drivers') diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 8afce67c0aa..9c6f3f99208 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -37,6 +37,7 @@ #include #include +#include #include #include @@ -135,6 +136,22 @@ static void blkif_restart_queue_callback(void *arg) schedule_work(&info->work); } +int blkif_getgeo(struct block_device *bd, struct hd_geometry *hg) +{ + /* We don't have real geometry info, but let's at least return + values consistent with the size of the device */ + sector_t nsect = get_capacity(bd->bd_disk); + sector_t cylinders = nsect; + + hg->heads = 0xff; + hg->sectors = 0x3f; + sector_div(cylinders, hg->heads * hg->sectors); + hg->cylinders = cylinders; + if ((sector_t)(hg->cylinders + 1) * hg->heads * hg->sectors < nsect) + hg->cylinders = 0xffff; + return 0; +} + /* * blkif_queue_request * @@ -937,6 +954,7 @@ static struct block_device_operations xlvbd_block_fops = .owner = THIS_MODULE, .open = blkif_open, .release = blkif_release, + .getgeo = blkif_getgeo, }; -- cgit v1.2.3 From 4d9db01ef8f62b03c46f1258fd45a8c8235687ba Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Thu, 14 Feb 2008 23:24:02 +0200 Subject: [SCSI] lpfc: make lpfc_disable_node() static This patch makes the needlessly global lpfc_disable_node() static. Signed-off-by: Adrian Bunk Acked-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_crtn.h | 1 - drivers/scsi/lpfc/lpfc_hbadisc.c | 2 +- 2 files changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 848d97744b4..0819f5f39de 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -55,7 +55,6 @@ void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *); void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *); void lpfc_enqueue_node(struct lpfc_vport *, struct lpfc_nodelist *); void lpfc_dequeue_node(struct lpfc_vport *, struct lpfc_nodelist *); -void lpfc_disable_node(struct lpfc_vport *, struct lpfc_nodelist *); struct lpfc_nodelist *lpfc_enable_node(struct lpfc_vport *, struct lpfc_nodelist *, int); void lpfc_nlp_set_state(struct lpfc_vport *, struct lpfc_nodelist *, int); diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index bd572d6b60a..976653440fb 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -1694,7 +1694,7 @@ lpfc_dequeue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) NLP_STE_UNUSED_NODE); } -void +static void lpfc_disable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) { if ((ndlp->nlp_flag & NLP_DELAY_TMO) != 0) -- cgit v1.2.3 From 3b0f208a583f130f1e551a6b8673734f51ab7dcd Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Wed, 13 Feb 2008 23:30:17 +0200 Subject: [SCSI] iscsi transport: make 2 functions static This patch makes the following needlessly global functions static: - __iscsi_unblock_session() - iscsi_session_state_name() Signed-off-by: Adrian Bunk Acked-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/scsi_transport_iscsi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index fac7534f3ec..9981682d530 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -231,7 +231,7 @@ static struct { { ISCSI_SESSION_FREE, "FREE" }, }; -const char *iscsi_session_state_name(int state) +static const char *iscsi_session_state_name(int state) { int i; char *name = NULL; @@ -373,7 +373,7 @@ static void session_recovery_timedout(struct work_struct *work) scsi_target_unblock(&session->dev); } -void __iscsi_unblock_session(struct iscsi_cls_session *session) +static void __iscsi_unblock_session(struct iscsi_cls_session *session) { if (!cancel_delayed_work(&session->recovery_work)) flush_workqueue(iscsi_eh_timer_workq); -- cgit v1.2.3 From ad008d42bcec99911b3270a8349f8ec8405a1c4e Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Tue, 19 Feb 2008 20:03:57 -0600 Subject: [SCSI] mptbase: fix use-after-free's ioc->name is used in the printk's after ioc has been freed. Free after prinks to fix this. This patch fixes two use-after-free's introduced by commit e78d5b8f1e73ab82f3fd041d05824cfee7d83a2c and spotted by the Coverity checker. Signed-off-by: Adrian Bunk Signed-off-by: James Bottomley --- drivers/message/fusion/mptbase.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index bfda731696f..0c303c84b37 100644 --- a/drivers/message/fusion/mptbase.c +++ b/drivers/message/fusion/mptbase.c @@ -1481,15 +1481,15 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id) ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM); if (pci_enable_device_mem(pdev)) { - kfree(ioc); printk(MYIOC_s_ERR_FMT "pci_enable_device_mem() " "failed\n", ioc->name); + kfree(ioc); return r; } if (pci_request_selected_regions(pdev, ioc->bars, "mpt")) { - kfree(ioc); printk(MYIOC_s_ERR_FMT "pci_request_selected_regions() with " "MEM failed\n", ioc->name); + kfree(ioc); return r; } -- cgit v1.2.3 From 69e562c234440fb7410877b5b24f4b29ef8521d1 Mon Sep 17 00:00:00 2001 From: Daniel Drake Date: Wed, 20 Feb 2008 13:29:05 +0000 Subject: [SCSI] arcmsr: fix message allocation arcmsr_iop_message_xfer() is called from atomic context under the queuecommand scsi_host_template handler. James Bottomley pointed out that the current GFP_KERNEL|GFP_DMA flags are wrong: firstly we are in atomic context, secondly this memory is not used for DMA. Also removed some unneeded casts. Signed-off-by: Daniel Drake Cc: Nick Cheng Signed-off-by: James Bottomley --- drivers/scsi/arcmsr/arcmsr_hba.c | 26 +++++++++++--------------- 1 file changed, 11 insertions(+), 15 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index 4f9ff32cfed..f91f79c8007 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -1387,18 +1387,16 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, \ switch(controlcode) { case ARCMSR_MESSAGE_READ_RQBUFFER: { - unsigned long *ver_addr; + unsigned char *ver_addr; uint8_t *pQbuffer, *ptmpQbuffer; int32_t allxfer_len = 0; - void *tmp; - tmp = kmalloc(1032, GFP_KERNEL|GFP_DMA); - ver_addr = (unsigned long *)tmp; - if (!tmp) { + ver_addr = kmalloc(1032, GFP_ATOMIC); + if (!ver_addr) { retvalue = ARCMSR_MESSAGE_FAIL; goto message_out; } - ptmpQbuffer = (uint8_t *) ver_addr; + ptmpQbuffer = ver_addr; while ((acb->rqbuf_firstindex != acb->rqbuf_lastindex) && (allxfer_len < 1031)) { pQbuffer = &acb->rqbuffer[acb->rqbuf_firstindex]; @@ -1427,26 +1425,24 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, \ } arcmsr_iop_message_read(acb); } - memcpy(pcmdmessagefld->messagedatabuffer, (uint8_t *)ver_addr, allxfer_len); + memcpy(pcmdmessagefld->messagedatabuffer, ver_addr, allxfer_len); pcmdmessagefld->cmdmessage.Length = allxfer_len; pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; - kfree(tmp); + kfree(ver_addr); } break; case ARCMSR_MESSAGE_WRITE_WQBUFFER: { - unsigned long *ver_addr; + unsigned char *ver_addr; int32_t my_empty_len, user_len, wqbuf_firstindex, wqbuf_lastindex; uint8_t *pQbuffer, *ptmpuserbuffer; - void *tmp; - tmp = kmalloc(1032, GFP_KERNEL|GFP_DMA); - ver_addr = (unsigned long *)tmp; - if (!tmp) { + ver_addr = kmalloc(1032, GFP_ATOMIC); + if (!ver_addr) { retvalue = ARCMSR_MESSAGE_FAIL; goto message_out; } - ptmpuserbuffer = (uint8_t *)ver_addr; + ptmpuserbuffer = ver_addr; user_len = pcmdmessagefld->cmdmessage.Length; memcpy(ptmpuserbuffer, pcmdmessagefld->messagedatabuffer, user_len); wqbuf_lastindex = acb->wqbuf_lastindex; @@ -1492,7 +1488,7 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, \ retvalue = ARCMSR_MESSAGE_FAIL; } } - kfree(tmp); + kfree(ver_addr); } break; -- cgit v1.2.3 From a8e14fec164cc01d8dfb18760ee9bddd91e127c2 Mon Sep 17 00:00:00 2001 From: James Bottomley Date: Tue, 19 Feb 2008 21:48:42 -0600 Subject: [SCSI] libsas: fix error handling The libsas error handler has two fairly fatal bugs 1. scsi_sas_task_done calls scsi_eh_finish_cmd() too early. This happens if the task completes after it has been aborted but before the error handler starts up. Because scsi_eh_finish_cmd() decrements host_failed and adds the task to the done list, the error handler start check (host_failed == host_busy) never passes and the eh never starts. 2. The multiple task completion paths sas_scsi_clear_queue_... all simply delete the task from the error queue. This causes it to disappear into the ether, since a command must be placed on the done queue to be finished off by the error handler. This behaviour causes the HBA to hang on pending commands. Fix 1. by moving the SAS_TASK_STATE_ABORTED check to an exit clause at the top of the routine and calling ->scsi_done() unconditionally (it is a nop if the timer has fired). This keeps the task in the error handling queue until the eh starts. Fix 2. by making sure every task goes through task complete followed by scsi_eh_finish_cmd(). Tested this by firing resets across a disk running a hammer test (now it actually survives without hanging the system) Signed-off-by: James Bottomley --- drivers/scsi/libsas/sas_scsi_host.c | 65 +++++++++++++++++++++++-------------- 1 file changed, 41 insertions(+), 24 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index f869fba8680..9c96d1bd36e 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -51,10 +51,14 @@ static void sas_scsi_task_done(struct sas_task *task) { struct task_status_struct *ts = &task->task_status; struct scsi_cmnd *sc = task->uldd_task; - struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(sc->device->host); - unsigned ts_flags = task->task_state_flags; int hs = 0, stat = 0; + if (unlikely(task->task_state_flags & SAS_TASK_STATE_ABORTED)) { + /* Aborted tasks will be completed by the error handler */ + SAS_DPRINTK("task done but aborted\n"); + return; + } + if (unlikely(!sc)) { SAS_DPRINTK("task_done called with non existing SCSI cmnd!\n"); list_del_init(&task->list); @@ -120,11 +124,7 @@ static void sas_scsi_task_done(struct sas_task *task) sc->result = (hs << 16) | stat; list_del_init(&task->list); sas_free_task(task); - /* This is very ugly but this is how SCSI Core works. */ - if (ts_flags & SAS_TASK_STATE_ABORTED) - scsi_eh_finish_cmd(sc, &sas_ha->eh_done_q); - else - sc->scsi_done(sc); + sc->scsi_done(sc); } static enum task_attribute sas_scsi_get_task_attr(struct scsi_cmnd *cmd) @@ -255,13 +255,33 @@ out: return res; } +static void sas_eh_finish_cmd(struct scsi_cmnd *cmd) +{ + struct sas_task *task = TO_SAS_TASK(cmd); + struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(cmd->device->host); + + /* remove the aborted task flag to allow the task to be + * completed now. At this point, we only get called following + * an actual abort of the task, so we should be guaranteed not + * to be racing with any completions from the LLD (hence we + * don't need the task state lock to clear the flag) */ + task->task_state_flags &= ~SAS_TASK_STATE_ABORTED; + /* Now call task_done. However, task will be free'd after + * this */ + task->task_done(task); + /* now finish the command and move it on to the error + * handler done list, this also takes it off the + * error handler pending list */ + scsi_eh_finish_cmd(cmd, &sas_ha->eh_done_q); +} + static void sas_scsi_clear_queue_lu(struct list_head *error_q, struct scsi_cmnd *my_cmd) { struct scsi_cmnd *cmd, *n; list_for_each_entry_safe(cmd, n, error_q, eh_entry) { if (cmd == my_cmd) - list_del_init(&cmd->eh_entry); + sas_eh_finish_cmd(cmd); } } @@ -274,7 +294,7 @@ static void sas_scsi_clear_queue_I_T(struct list_head *error_q, struct domain_device *x = cmd_to_domain_dev(cmd); if (x == dev) - list_del_init(&cmd->eh_entry); + sas_eh_finish_cmd(cmd); } } @@ -288,7 +308,7 @@ static void sas_scsi_clear_queue_port(struct list_head *error_q, struct asd_sas_port *x = dev->port; if (x == port) - list_del_init(&cmd->eh_entry); + sas_eh_finish_cmd(cmd); } } @@ -528,14 +548,14 @@ Again: case TASK_IS_DONE: SAS_DPRINTK("%s: task 0x%p is done\n", __FUNCTION__, task); - task->task_done(task); + sas_eh_finish_cmd(cmd); if (need_reset) try_to_reset_cmd_device(shost, cmd); continue; case TASK_IS_ABORTED: SAS_DPRINTK("%s: task 0x%p is aborted\n", __FUNCTION__, task); - task->task_done(task); + sas_eh_finish_cmd(cmd); if (need_reset) try_to_reset_cmd_device(shost, cmd); continue; @@ -547,7 +567,7 @@ Again: "recovered\n", SAS_ADDR(task->dev), cmd->device->lun); - task->task_done(task); + sas_eh_finish_cmd(cmd); if (need_reset) try_to_reset_cmd_device(shost, cmd); sas_scsi_clear_queue_lu(work_q, cmd); @@ -562,7 +582,7 @@ Again: if (tmf_resp == TMF_RESP_FUNC_COMPLETE) { SAS_DPRINTK("I_T %016llx recovered\n", SAS_ADDR(task->dev->sas_addr)); - task->task_done(task); + sas_eh_finish_cmd(cmd); if (need_reset) try_to_reset_cmd_device(shost, cmd); sas_scsi_clear_queue_I_T(work_q, task->dev); @@ -577,7 +597,7 @@ Again: if (res == TMF_RESP_FUNC_COMPLETE) { SAS_DPRINTK("clear nexus port:%d " "succeeded\n", port->id); - task->task_done(task); + sas_eh_finish_cmd(cmd); if (need_reset) try_to_reset_cmd_device(shost, cmd); sas_scsi_clear_queue_port(work_q, @@ -591,10 +611,10 @@ Again: if (res == TMF_RESP_FUNC_COMPLETE) { SAS_DPRINTK("clear nexus ha " "succeeded\n"); - task->task_done(task); + sas_eh_finish_cmd(cmd); if (need_reset) try_to_reset_cmd_device(shost, cmd); - goto out; + goto clear_q; } } /* If we are here -- this means that no amount @@ -606,21 +626,18 @@ Again: SAS_ADDR(task->dev->sas_addr), cmd->device->lun); - task->task_done(task); + sas_eh_finish_cmd(cmd); if (need_reset) try_to_reset_cmd_device(shost, cmd); goto clear_q; } } -out: return list_empty(work_q); clear_q: SAS_DPRINTK("--- Exit %s -- clear_q\n", __FUNCTION__); - list_for_each_entry_safe(cmd, n, work_q, eh_entry) { - struct sas_task *task = TO_SAS_TASK(cmd); - list_del_init(&cmd->eh_entry); - task->task_done(task); - } + list_for_each_entry_safe(cmd, n, work_q, eh_entry) + sas_eh_finish_cmd(cmd); + return list_empty(work_q); } -- cgit v1.2.3 From 65fecc77f3c47c5e8758d133b8ec47dcc16ed207 Mon Sep 17 00:00:00 2001 From: David Somayajulu Date: Thu, 21 Feb 2008 03:43:00 -0800 Subject: [SCSI] qla4xxx: fix up residual handling the check in the residual case has an incorrect test of scsi_status (the logic is reversed, it should be scsi_status != 0 instead of !scsi_status. Since we checked a few lines above that scsi_status was non-zero, just eliminate this test Signed-off-by: David C Somayajulu Signed-off-by: James Bottomley --- drivers/scsi/qla4xxx/ql4_isr.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c index 0f029d0d731..fc84db4069f 100644 --- a/drivers/scsi/qla4xxx/ql4_isr.c +++ b/drivers/scsi/qla4xxx/ql4_isr.c @@ -100,8 +100,7 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha, if (sts_entry->iscsiFlags &ISCSI_FLAG_RESIDUAL_UNDER) { scsi_set_resid(cmd, residual); - if (!scsi_status && ((scsi_bufflen(cmd) - residual) < - cmd->underflow)) { + if ((scsi_bufflen(cmd) - residual) < cmd->underflow) { cmd->result = DID_ERROR << 16; -- cgit v1.2.3 From eafe1df9e311034cce204e43c0e45c91723b802f Mon Sep 17 00:00:00 2001 From: Matthew Wilcox Date: Thu, 21 Feb 2008 05:44:33 -0700 Subject: [SCSI] lpfc: Balance locking Commit 3163f725a5d071eea1830bbbfab78cfe3fc9baaf introduced locking in lpfc_sli_hbqbuf_fill_hbqs, but missed unlocking on one exit. Reported-by: Harvey Harrison Signed-off-by: Matthew Wilcox Acked-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_sli.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index f53206411cd..fc0d9501aba 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -648,28 +648,24 @@ lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count) unsigned long flags; struct hbq_dmabuf *hbq_buffer; - if (!phba->hbqs[hbqno].hbq_alloc_buffer) { + if (!phba->hbqs[hbqno].hbq_alloc_buffer) return 0; - } start = phba->hbqs[hbqno].buffer_count; end = count + start; - if (end > lpfc_hbq_defs[hbqno]->entry_count) { + if (end > lpfc_hbq_defs[hbqno]->entry_count) end = lpfc_hbq_defs[hbqno]->entry_count; - } /* Check whether HBQ is still in use */ spin_lock_irqsave(&phba->hbalock, flags); - if (!phba->hbq_in_use) { - spin_unlock_irqrestore(&phba->hbalock, flags); - return 0; - } + if (!phba->hbq_in_use) + goto out; /* Populate HBQ entries */ for (i = start; i < end; i++) { hbq_buffer = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba); if (!hbq_buffer) - return 1; + goto err; hbq_buffer->tag = (i | (hbqno << 16)); if (lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) phba->hbqs[hbqno].buffer_count++; @@ -677,8 +673,12 @@ lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count) (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); } + out: spin_unlock_irqrestore(&phba->hbalock, flags); return 0; + err: + spin_unlock_irqrestore(&phba->hbalock, flags); + return 1; } int -- cgit v1.2.3 From 26106e3ca379e30790c41d8835e79395437152ec Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Fri, 22 Feb 2008 23:11:03 +0900 Subject: [SCSI] stex: stex_direct_copy shouldn't call dma_map_sg stex_direct_copy copies an in-kernel buffer to a sg list in order to spoof some SCSI commands. stex_direct_copy calls dma_map_sg and then stex_internal_copy with the value that dma_map_sg returned. It calls scsi_kmap_atomic_sg to copy data. scsi_kmap_atomic_sg doesn't see sg->dma_length so if dma_map_sg merges sg entries, stex_internal_copy gets the smaller number of sg entries than the acutual number, which means it wrongly think that the data length in the sg list is shorter than the actual length. stex_direct_copy shouldn't call dma_map_sg and it doesn't need since this code path doesn't involve dma transfers. This patch removes stex_direct_copy and simply calls stex_internal_copy with the actual number of sg entries. Signed-off-by: FUJITA Tomonori Acked-by: Ed Lin Signed-off-by: James Bottomley --- drivers/scsi/stex.c | 34 ++++++++++++---------------------- 1 file changed, 12 insertions(+), 22 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c index 72f6d801535..4b6861cf041 100644 --- a/drivers/scsi/stex.c +++ b/drivers/scsi/stex.c @@ -461,23 +461,6 @@ static void stex_internal_copy(struct scsi_cmnd *cmd, } } -static int stex_direct_copy(struct scsi_cmnd *cmd, - const void *src, size_t count) -{ - size_t cp_len = count; - int n_elem = 0; - - n_elem = scsi_dma_map(cmd); - if (n_elem < 0) - return 0; - - stex_internal_copy(cmd, src, &cp_len, n_elem, ST_TO_CMD); - - scsi_dma_unmap(cmd); - - return cp_len == count; -} - static void stex_controller_info(struct st_hba *hba, struct st_ccb *ccb) { struct st_frame *p; @@ -569,8 +552,10 @@ stex_queuecommand(struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *)) unsigned char page; page = cmd->cmnd[2] & 0x3f; if (page == 0x8 || page == 0x3f) { - stex_direct_copy(cmd, ms10_caching_page, - sizeof(ms10_caching_page)); + size_t cp_len = sizeof(ms10_caching_page); + stex_internal_copy(cmd, ms10_caching_page, + &cp_len, scsi_sg_count(cmd), + ST_TO_CMD); cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; done(cmd); } else @@ -599,8 +584,10 @@ stex_queuecommand(struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *)) if (id != host->max_id - 1) break; if (lun == 0 && (cmd->cmnd[1] & INQUIRY_EVPD) == 0) { - stex_direct_copy(cmd, console_inq_page, - sizeof(console_inq_page)); + size_t cp_len = sizeof(console_inq_page); + stex_internal_copy(cmd, console_inq_page, + &cp_len, scsi_sg_count(cmd), + ST_TO_CMD); cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; done(cmd); } else @@ -609,6 +596,7 @@ stex_queuecommand(struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *)) case PASSTHRU_CMD: if (cmd->cmnd[1] == PASSTHRU_GET_DRVVER) { struct st_drvver ver; + size_t cp_len = sizeof(ver); ver.major = ST_VER_MAJOR; ver.minor = ST_VER_MINOR; ver.oem = ST_OEM; @@ -616,7 +604,9 @@ stex_queuecommand(struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *)) ver.signature[0] = PASSTHRU_SIGNATURE; ver.console_id = host->max_id - 1; ver.host_no = hba->host->host_no; - cmd->result = stex_direct_copy(cmd, &ver, sizeof(ver)) ? + stex_internal_copy(cmd, &ver, &cp_len, + scsi_sg_count(cmd), ST_TO_CMD); + cmd->result = sizeof(ver) == cp_len ? DID_OK << 16 | COMMAND_COMPLETE << 8 : DID_ERROR << 16 | COMMAND_COMPLETE << 8; done(cmd); -- cgit v1.2.3 From c9872fe1add5709fffd42249e6ca1080999aa06a Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Fri, 22 Feb 2008 23:11:04 +0900 Subject: [SCSI] stex: stex_internal_copy should be called with sg_count in struct st_ccb stex_internal_copy copies an in-kernel buffer to a sg list by using scsi_kmap_atomic_sg. Some functions calls stex_internal_copy with sg_count in struct st_ccb, which is the value that dma_map_sg returned. However it might be shorter than the actual number of sg entries (if the IOMMU merged the sg entries). scsi_kmap_atomic_sg doesn't see sg->dma_length so stex_internal_copy should be called with the actual number of sg entries (i.e. scsi_sg_count), because if the sg entries were merged, stex_direct_copy wrongly think that the data length in the sg list is shorter than the actual length. Signed-off-by: FUJITA Tomonori Acked-by: Ed Lin Signed-off-by: James Bottomley --- drivers/scsi/stex.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c index 4b6861cf041..654430edf74 100644 --- a/drivers/scsi/stex.c +++ b/drivers/scsi/stex.c @@ -467,7 +467,8 @@ static void stex_controller_info(struct st_hba *hba, struct st_ccb *ccb) size_t count = sizeof(struct st_frame); p = hba->copy_buffer; - stex_internal_copy(ccb->cmd, p, &count, ccb->sg_count, ST_FROM_CMD); + stex_internal_copy(ccb->cmd, p, &count, scsi_sg_count(ccb->cmd), + ST_FROM_CMD); memset(p->base, 0, sizeof(u32)*6); *(unsigned long *)(p->base) = pci_resource_start(hba->pdev, 0); p->rom_addr = 0; @@ -485,7 +486,8 @@ static void stex_controller_info(struct st_hba *hba, struct st_ccb *ccb) p->subid = hba->pdev->subsystem_vendor << 16 | hba->pdev->subsystem_device; - stex_internal_copy(ccb->cmd, p, &count, ccb->sg_count, ST_TO_CMD); + stex_internal_copy(ccb->cmd, p, &count, scsi_sg_count(ccb->cmd), + ST_TO_CMD); } static void @@ -699,7 +701,7 @@ static void stex_copy_data(struct st_ccb *ccb, if (ccb->cmd == NULL) return; stex_internal_copy(ccb->cmd, - resp->variable, &count, ccb->sg_count, ST_TO_CMD); + resp->variable, &count, scsi_sg_count(ccb->cmd), ST_TO_CMD); } static void stex_ys_commands(struct st_hba *hba, @@ -724,7 +726,7 @@ static void stex_ys_commands(struct st_hba *hba, count = STEX_EXTRA_SIZE; stex_internal_copy(ccb->cmd, hba->copy_buffer, - &count, ccb->sg_count, ST_FROM_CMD); + &count, scsi_sg_count(ccb->cmd), ST_FROM_CMD); inq_data = (ST_INQ *)hba->copy_buffer; if (inq_data->DeviceTypeQualifier != 0) ccb->srb_status = SRB_STATUS_SELECTION_TIMEOUT; -- cgit v1.2.3 From deee13dfd6dd6c18518ea725f11111ebd9bf4fa8 Mon Sep 17 00:00:00 2001 From: Kai Makisara Date: Fri, 22 Feb 2008 20:11:21 +0200 Subject: [SCSI] st: compile fix when DEBUG set to one Remove the now useless counting of adjacent pages from the debugging code in to make it compile when DEBUG is set non-zero. Signed-off-by: Kai Makisara Signed-off-by: James Bottomley --- drivers/scsi/st.c | 11 ++++------- drivers/scsi/st.h | 1 - 2 files changed, 4 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 71952703125..0a52d9d2da2 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -17,7 +17,7 @@ Last modified: 18-JAN-1998 Richard Gooch Devfs support */ -static const char *verstr = "20080117"; +static const char *verstr = "20080221"; #include @@ -1172,7 +1172,7 @@ static int st_open(struct inode *inode, struct file *filp) STp->try_dio_now = STp->try_dio; STp->recover_count = 0; DEB( STp->nbr_waits = STp->nbr_finished = 0; - STp->nbr_requests = STp->nbr_dio = STp->nbr_pages = STp->nbr_combinable = 0; ) + STp->nbr_requests = STp->nbr_dio = STp->nbr_pages = 0; ) retval = check_tape(STp, filp); if (retval < 0) @@ -1226,8 +1226,8 @@ static int st_flush(struct file *filp, fl_owner_t id) } DEBC( if (STp->nbr_requests) - printk(KERN_DEBUG "%s: Number of r/w requests %d, dio used in %d, pages %d (%d).\n", - name, STp->nbr_requests, STp->nbr_dio, STp->nbr_pages, STp->nbr_combinable)); + printk(KERN_DEBUG "%s: Number of r/w requests %d, dio used in %d, pages %d.\n", + name, STp->nbr_requests, STp->nbr_dio, STp->nbr_pages)); if (STps->rw == ST_WRITING && !STp->pos_unknown) { struct st_cmdstatus *cmdstatp = &STp->buffer->cmdstat; @@ -1422,9 +1422,6 @@ static int setup_buffering(struct scsi_tape *STp, const char __user *buf, if (STbp->do_dio) { STp->nbr_dio++; STp->nbr_pages += STbp->do_dio; - for (i=1; i < STbp->do_dio; i++) - if (page_to_pfn(STbp->sg[i].page) == page_to_pfn(STbp->sg[i-1].page) + 1) - STp->nbr_combinable++; } ) } else diff --git a/drivers/scsi/st.h b/drivers/scsi/st.h index 6c807571297..5931726fcf9 100644 --- a/drivers/scsi/st.h +++ b/drivers/scsi/st.h @@ -164,7 +164,6 @@ struct scsi_tape { int nbr_requests; int nbr_dio; int nbr_pages; - int nbr_combinable; unsigned char last_cmnd[6]; unsigned char last_sense[16]; #endif -- cgit v1.2.3 From 91b550604480eadcdadc7db8a7d19f496ccad6bd Mon Sep 17 00:00:00 2001 From: James Bottomley Date: Fri, 22 Feb 2008 17:01:59 -0600 Subject: [SCSI] aic94xx: fix sequencer hang on error recovery The clear nexus I_T and clear nexus I_T_L functions in the aic94xx specify the SUSPEND_TX flag which causes the sequencer to be suspended until it receives a RESUME_TX. Unfortunately, nothing ever sends the resume, so the sequencer on the link is stopped forever, leading to eventual timeouts and I/O errors. Since clear nexus commands are only executed as part of error recovery, it's perfectly fine to keep the sequencer running on the link ... as soon as the recovery function is completed, we'll send it the commands to retry. Signed-off-by: James Bottomley --- drivers/scsi/aic94xx/aic94xx_tmf.c | 4 ---- 1 file changed, 4 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/aic94xx/aic94xx_tmf.c b/drivers/scsi/aic94xx/aic94xx_tmf.c index b52124f3d3a..144f5ad2045 100644 --- a/drivers/scsi/aic94xx/aic94xx_tmf.c +++ b/drivers/scsi/aic94xx/aic94xx_tmf.c @@ -151,8 +151,6 @@ static int asd_clear_nexus_I_T(struct domain_device *dev) CLEAR_NEXUS_PRE; scb->clear_nexus.nexus = NEXUS_I_T; scb->clear_nexus.flags = SEND_Q | EXEC_Q | NOTINQ; - if (dev->tproto) - scb->clear_nexus.flags |= SUSPEND_TX; scb->clear_nexus.conn_handle = cpu_to_le16((u16)(unsigned long) dev->lldd_dev); CLEAR_NEXUS_POST; @@ -169,8 +167,6 @@ static int asd_clear_nexus_I_T_L(struct domain_device *dev, u8 *lun) CLEAR_NEXUS_PRE; scb->clear_nexus.nexus = NEXUS_I_T_L; scb->clear_nexus.flags = SEND_Q | EXEC_Q | NOTINQ; - if (dev->tproto) - scb->clear_nexus.flags |= SUSPEND_TX; memcpy(scb->clear_nexus.ssp_task.lun, lun, 8); scb->clear_nexus.conn_handle = cpu_to_le16((u16)(unsigned long) dev->lldd_dev); -- cgit v1.2.3 From 63e4563b9cf77875286312758f61a20f912afbbb Mon Sep 17 00:00:00 2001 From: James Bottomley Date: Fri, 22 Feb 2008 17:07:52 -0600 Subject: [SCSI] libsas: correctly flush the LU queue on error recovery The current sas_scsi_clear_queue_lu() is wrongly checking for commands which match the pointer to the one passed in. It should be checking for commands which are on the same logical unit as the one passed in. Fix this by checking target pointer and LUN for equality. Signed-off-by: James Bottomley --- drivers/scsi/libsas/sas_scsi_host.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index 9c96d1bd36e..704ea06a6e5 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -280,7 +280,8 @@ static void sas_scsi_clear_queue_lu(struct list_head *error_q, struct scsi_cmnd struct scsi_cmnd *cmd, *n; list_for_each_entry_safe(cmd, n, error_q, eh_entry) { - if (cmd == my_cmd) + if (cmd->device->sdev_target == my_cmd->device->sdev_target && + cmd->device->lun == my_cmd->device->lun) sas_eh_finish_cmd(cmd); } } -- cgit v1.2.3 From 39273b58a409cd6d65c9732bdca00bacd1626672 Mon Sep 17 00:00:00 2001 From: Jesse Barnes Date: Thu, 21 Feb 2008 17:44:35 -0800 Subject: i915: fix AR register restore. Make sure the restoration correctly restores the AR registers by flipping the ARX register into index mode before doing anything. Without this, some people have had the text mode restore all green. Signed-off-by: Jesse Barnes Signed-off-by: Linus Torvalds --- drivers/char/drm/i915_drv.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/char/drm/i915_drv.c b/drivers/char/drm/i915_drv.c index 4048f39b7ee..b2b451dc446 100644 --- a/drivers/char/drm/i915_drv.c +++ b/drivers/char/drm/i915_drv.c @@ -222,6 +222,7 @@ static void i915_restore_vga(struct drm_device *dev) dev_priv->saveGR[0x18]); /* Attribute controller registers */ + inb(st01); for (i = 0; i < 20; i++) i915_write_ar(st01, i, dev_priv->saveAR[i], 0); inb(st01); /* switch back to index mode */ -- cgit v1.2.3 From b5762948263dd5e9725a380e7a9626f99e40ae9d Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Thu, 25 Oct 2007 20:58:22 -0400 Subject: [SCSI] mvsas: Add Marvell 6440 SAS/SATA driver Signed-off-by: Jeff Garzik Signed-off-by: James Bottomley --- drivers/scsi/Kconfig | 10 + drivers/scsi/Makefile | 1 + drivers/scsi/mvsas.c | 1825 +++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 1836 insertions(+) create mode 100644 drivers/scsi/mvsas.c (limited to 'drivers') diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index a7a0813b24c..c46666a2480 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -992,6 +992,16 @@ config SCSI_IZIP_SLOW_CTR Generally, saying N is fine. +config SCSI_MVSAS + tristate "Marvell 88SE6440 SAS/SATA support" + depends on PCI && SCSI + select SCSI_SAS_LIBSAS + help + This driver supports Marvell SAS/SATA PCI devices. + + To compiler this driver as a module, choose M here: the module + will be called mvsas. + config SCSI_NCR53C406A tristate "NCR53c406a SCSI support" depends on ISA && SCSI diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index 925c26b4fff..23e6ecbd477 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -119,6 +119,7 @@ obj-$(CONFIG_SCSI_IBMVSCSI) += ibmvscsi/ obj-$(CONFIG_SCSI_IBMVSCSIS) += ibmvscsi/ obj-$(CONFIG_SCSI_HPTIOP) += hptiop.o obj-$(CONFIG_SCSI_STEX) += stex.o +obj-$(CONFIG_SCSI_MVSAS) += mvsas.o obj-$(CONFIG_PS3_ROM) += ps3rom.o obj-$(CONFIG_ARM) += arm/ diff --git a/drivers/scsi/mvsas.c b/drivers/scsi/mvsas.c new file mode 100644 index 00000000000..03638b9bb28 --- /dev/null +++ b/drivers/scsi/mvsas.c @@ -0,0 +1,1825 @@ +/* + mvsas.c - Marvell 88SE6440 SAS/SATA support + + Copyright 2007 Red Hat, Inc. + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, + or (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty + of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public + License along with this program; see the file COPYING. If not, + write to the Free Software Foundation, 675 Mass Ave, Cambridge, + MA 02139, USA. + + --------------------------------------------------------------- + + Random notes: + * hardware supports controlling the endian-ness of data + structures. this permits elimination of all the le32_to_cpu() + and cpu_to_le32() conversions. + + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define DRV_NAME "mvsas" +#define DRV_VERSION "0.1" + +#define mr32(reg) readl(regs + MVS_##reg) +#define mw32(reg,val) writel((val), regs + MVS_##reg) +#define mw32_f(reg,val) do { \ + writel((val), regs + MVS_##reg); \ + readl(regs + MVS_##reg); \ + } while (0) + +/* driver compile-time configuration */ +enum driver_configuration { + MVS_TX_RING_SZ = 1024, /* TX ring size (12-bit) */ + MVS_RX_RING_SZ = 1024, /* RX ring size (12-bit) */ + /* software requires power-of-2 + ring size */ + + MVS_SLOTS = 512, /* command slots */ + MVS_SLOT_BUF_SZ = 8192, /* cmd tbl + IU + status + PRD */ + MVS_SSP_CMD_SZ = 64, /* SSP command table buffer size */ + MVS_ATA_CMD_SZ = 128, /* SATA command table buffer size */ + MVS_OAF_SZ = 64, /* Open address frame buffer size */ + + MVS_RX_FIS_COUNT = 17, /* Optional rx'd FISs (max 17) */ +}; + +/* unchangeable hardware details */ +enum hardware_details { + MVS_MAX_PHYS = 8, /* max. possible phys */ + MVS_MAX_PORTS = 8, /* max. possible ports */ + MVS_RX_FISL_SZ = 0x400 + (MVS_RX_FIS_COUNT * 0x100), +}; + +/* peripheral registers (BAR2) */ +enum peripheral_registers { + SPI_CTL = 0x10, /* EEPROM control */ + SPI_CMD = 0x14, /* EEPROM command */ + SPI_DATA = 0x18, /* EEPROM data */ +}; + +enum peripheral_register_bits { + TWSI_RDY = (1U << 7), /* EEPROM interface ready */ + TWSI_RD = (1U << 4), /* EEPROM read access */ + + SPI_ADDR_MASK = 0x3ffff, /* bits 17:0 */ +}; + +/* enhanced mode registers (BAR4) */ +enum hw_registers { + MVS_GBL_CTL = 0x04, /* global control */ + MVS_GBL_INT_STAT = 0x08, /* global irq status */ + MVS_GBL_PI = 0x0C, /* ports implemented bitmask */ + MVS_GBL_PORT_TYPE = 0x00, /* port type */ + + MVS_CTL = 0x100, /* SAS/SATA port configuration */ + MVS_PCS = 0x104, /* SAS/SATA port control/status */ + MVS_CMD_LIST_LO = 0x108, /* cmd list addr */ + MVS_CMD_LIST_HI = 0x10C, + MVS_RX_FIS_LO = 0x110, /* RX FIS list addr */ + MVS_RX_FIS_HI = 0x114, + + MVS_TX_CFG = 0x120, /* TX configuration */ + MVS_TX_LO = 0x124, /* TX (delivery) ring addr */ + MVS_TX_HI = 0x128, + + MVS_RX_PROD_IDX = 0x12C, /* RX producer pointer */ + MVS_RX_CONS_IDX = 0x130, /* RX consumer pointer (RO) */ + MVS_RX_CFG = 0x134, /* RX configuration */ + MVS_RX_LO = 0x138, /* RX (completion) ring addr */ + MVS_RX_HI = 0x13C, + + MVS_INT_COAL = 0x148, /* Int coalescing config */ + MVS_INT_COAL_TMOUT = 0x14C, /* Int coalescing timeout */ + MVS_INT_STAT = 0x150, /* Central int status */ + MVS_INT_MASK = 0x154, /* Central int enable */ + MVS_INT_STAT_SRS = 0x158, /* SATA register set status */ + + /* ports 1-3 follow after this */ + MVS_P0_INT_STAT = 0x160, /* port0 interrupt status */ + MVS_P0_INT_MASK = 0x164, /* port0 interrupt mask */ + + /* ports 1-3 follow after this */ + MVS_P0_SER_CTLSTAT = 0x180, /* port0 serial control/status */ + + MVS_CMD_ADDR = 0x1B8, /* Command register port (addr) */ + MVS_CMD_DATA = 0x1BC, /* Command register port (data) */ + + /* ports 1-3 follow after this */ + MVS_P0_CFG_ADDR = 0x1C0, /* port0 phy register address */ + MVS_P0_CFG_DATA = 0x1C4, /* port0 phy register data */ +}; + +enum hw_register_bits { + /* MVS_GBL_CTL */ + INT_EN = (1U << 1), /* Global int enable */ + HBA_RST = (1U << 0), /* HBA reset */ + + /* MVS_GBL_INT_STAT */ + INT_XOR = (1U << 4), /* XOR engine event */ + INT_SAS_SATA = (1U << 0), /* SAS/SATA event */ + + /* MVS_GBL_PORT_TYPE */ /* shl for ports 1-3 */ + SATA_TARGET = (1U << 16), /* port0 SATA target enable */ + AUTO_DET = (1U << 8), /* port0 SAS/SATA autodetect */ + SAS_MODE = (1U << 0), /* port0 SAS(1), SATA(0) mode */ + /* SAS_MODE value may be + * dictated (in hw) by values + * of SATA_TARGET & AUTO_DET + */ + + /* MVS_TX_CFG */ + TX_EN = (1U << 16), /* Enable TX */ + TX_RING_SZ_MASK = 0xfff, /* TX ring size, bits 11:0 */ + + /* MVS_RX_CFG */ + RX_EN = (1U << 16), /* Enable RX */ + RX_RING_SZ_MASK = 0xfff, /* RX ring size, bits 11:0 */ + + /* MVS_INT_COAL */ + COAL_EN = (1U << 16), /* Enable int coalescing */ + + /* MVS_INT_STAT, MVS_INT_MASK */ + CINT_I2C = (1U << 31), /* I2C event */ + CINT_SW0 = (1U << 30), /* software event 0 */ + CINT_SW1 = (1U << 29), /* software event 1 */ + CINT_PRD_BC = (1U << 28), /* PRD BC err for read cmd */ + CINT_DMA_PCIE = (1U << 27), /* DMA to PCIE timeout */ + CINT_MEM = (1U << 26), /* int mem parity err */ + CINT_I2C_SLAVE = (1U << 25), /* slave I2C event */ + CINT_SRS = (1U << 3), /* SRS event */ + CINT_CI_STOP = (1U << 10), /* cmd issue stopped */ + CINT_DONE = (1U << 0), /* cmd completion */ + + /* shl for ports 1-3 */ + CINT_PORT_STOPPED = (1U << 16), /* port0 stopped */ + CINT_PORT = (1U << 8), /* port0 event */ + + /* TX (delivery) ring bits */ + TXQ_CMD_SHIFT = 29, + TXQ_CMD_SSP = 1, /* SSP protocol */ + TXQ_CMD_SMP = 2, /* SMP protocol */ + TXQ_CMD_STP = 3, /* STP/SATA protocol */ + TXQ_CMD_SSP_FREE_LIST = 4, /* add to SSP targ free list */ + TXQ_CMD_SLOT_RESET = 7, /* reset command slot */ + TXQ_MODE_I = (1U << 28), /* mode: 0=target,1=initiator */ + TXQ_PRIO_HI = (1U << 27), /* priority: 0=normal, 1=high */ + TXQ_SRS_SHIFT = 20, /* SATA register set */ + TXQ_SRS_MASK = 0x7f, + TXQ_PHY_SHIFT = 12, /* PHY bitmap */ + TXQ_PHY_MASK = 0xff, + TXQ_SLOT_MASK = 0xfff, /* slot number */ + + /* RX (completion) ring bits */ + RXQ_GOOD = (1U << 23), /* Response good */ + RXQ_SLOT_RESET = (1U << 21), /* Slot reset complete */ + RXQ_CMD_RX = (1U << 20), /* target cmd received */ + RXQ_ATTN = (1U << 19), /* attention */ + RXQ_RSP = (1U << 18), /* response frame xfer'd */ + RXQ_ERR = (1U << 17), /* err info rec xfer'd */ + RXQ_DONE = (1U << 16), /* cmd complete */ + RXQ_SLOT_MASK = 0xfff, /* slot number */ + + /* mvs_cmd_hdr bits */ + MCH_PRD_LEN_SHIFT = 16, /* 16-bit PRD table len */ + MCH_SSP_FR_TYPE_SHIFT = 13, /* SSP frame type */ + + /* SSP initiator only */ + MCH_SSP_FR_CMD = 0x0, /* COMMAND frame */ + + /* SSP initiator or target */ + MCH_SSP_FR_TASK = 0x1, /* TASK frame */ + + /* SSP target only */ + MCH_SSP_FR_XFER_RDY = 0x4, /* XFER_RDY frame */ + MCH_SSP_FR_RESP = 0x5, /* RESPONSE frame */ + MCH_SSP_FR_READ = 0x6, /* Read DATA frame(s) */ + MCH_SSP_FR_READ_RESP = 0x7, /* ditto, plus RESPONSE */ + + MCH_PASSTHRU = (1U << 12), /* pass-through (SSP) */ + MCH_FBURST = (1U << 11), /* first burst (SSP) */ + MCH_CHK_LEN = (1U << 10), /* chk xfer len (SSP) */ + MCH_RETRY = (1U << 9), /* tport layer retry (SSP) */ + MCH_PROTECTION = (1U << 8), /* protection info rec (SSP) */ + MCH_RESET = (1U << 7), /* Reset (STP/SATA) */ + MCH_FPDMA = (1U << 6), /* First party DMA (STP/SATA) */ + MCH_ATAPI = (1U << 5), /* ATAPI (STP/SATA) */ + MCH_BIST = (1U << 4), /* BIST activate (STP/SATA) */ + MCH_PMP_MASK = 0xf, /* PMP from cmd FIS (STP/SATA)*/ + + CCTL_RST = (1U << 5), /* port logic reset */ + + /* 0(LSB first), 1(MSB first) */ + CCTL_ENDIAN_DATA = (1U << 3), /* PRD data */ + CCTL_ENDIAN_RSP = (1U << 2), /* response frame */ + CCTL_ENDIAN_OPEN = (1U << 1), /* open address frame */ + CCTL_ENDIAN_CMD = (1U << 0), /* command table */ + + /* MVS_Px_SER_CTLSTAT (per-phy control) */ + PHY_SSP_RST = (1U << 3), /* reset SSP link layer */ + PHY_BCAST_CHG = (1U << 2), /* broadcast(change) notif */ + PHY_RST_HARD = (1U << 1), /* hard reset + phy reset */ + PHY_RST = (1U << 0), /* phy reset */ + + /* MVS_Px_INT_STAT, MVS_Px_INT_MASK (per-phy events) */ + PHYEV_UNASSOC_FIS = (1U << 19), /* unassociated FIS rx'd */ + PHYEV_AN = (1U << 18), /* SATA async notification */ + PHYEV_BIST_ACT = (1U << 17), /* BIST activate FIS */ + PHYEV_SIG_FIS = (1U << 16), /* signature FIS */ + PHYEV_POOF = (1U << 12), /* phy ready from 1 -> 0 */ + PHYEV_IU_BIG = (1U << 11), /* IU too long err */ + PHYEV_IU_SMALL = (1U << 10), /* IU too short err */ + PHYEV_UNK_TAG = (1U << 9), /* unknown tag */ + PHYEV_BROAD_CH = (1U << 8), /* broadcast(CHANGE) */ + PHYEV_COMWAKE = (1U << 7), /* COMWAKE rx'd */ + PHYEV_PORT_SEL = (1U << 6), /* port selector present */ + PHYEV_HARD_RST = (1U << 5), /* hard reset rx'd */ + PHYEV_ID_TMOUT = (1U << 4), /* identify timeout */ + PHYEV_ID_FAIL = (1U << 3), /* identify failed */ + PHYEV_ID_DONE = (1U << 2), /* identify done */ + PHYEV_HARD_RST_DONE = (1U << 1), /* hard reset done */ + PHYEV_RDY_CH = (1U << 0), /* phy ready changed state */ + + /* MVS_PCS */ + PCS_SATA_RETRY = (1U << 8), /* retry ctl FIS on R_ERR */ + PCS_RSP_RX_EN = (1U << 7), /* raw response rx */ + PCS_SELF_CLEAR = (1U << 5), /* self-clearing int mode */ + PCS_FIS_RX_EN = (1U << 4), /* FIS rx enable */ + PCS_CMD_STOP_ERR = (1U << 3), /* cmd stop-on-err enable */ + PCS_CMD_RST = (1U << 2), /* reset cmd issue */ + PCS_CMD_EN = (1U << 0), /* enable cmd issue */ +}; + +enum mvs_info_flags { + MVF_MSI = (1U << 0), /* MSI is enabled */ + MVF_PHY_PWR_FIX = (1U << 1), /* bug workaround */ +}; + +enum sas_cmd_port_registers { + CMD_CMRST_OOB_DET = 0x100, /* COMRESET OOB detect register */ + CMD_CMWK_OOB_DET = 0x104, /* COMWAKE OOB detect register */ + CMD_CMSAS_OOB_DET = 0x108, /* COMSAS OOB detect register */ + CMD_BRST_OOB_DET = 0x10c, /* burst OOB detect register */ + CMD_OOB_SPACE = 0x110, /* OOB space control register */ + CMD_OOB_BURST = 0x114, /* OOB burst control register */ + CMD_PHY_TIMER = 0x118, /* PHY timer control register */ + CMD_PHY_CONFIG0 = 0x11c, /* PHY config register 0 */ + CMD_PHY_CONFIG1 = 0x120, /* PHY config register 1 */ + CMD_SAS_CTL0 = 0x124, /* SAS control register 0 */ + CMD_SAS_CTL1 = 0x128, /* SAS control register 1 */ + CMD_SAS_CTL2 = 0x12c, /* SAS control register 2 */ + CMD_SAS_CTL3 = 0x130, /* SAS control register 3 */ + CMD_ID_TEST = 0x134, /* ID test register */ + CMD_PL_TIMER = 0x138, /* PL timer register */ + CMD_WD_TIMER = 0x13c, /* WD timer register */ + CMD_PORT_SEL_COUNT = 0x140, /* port selector count register */ + CMD_APP_MEM_CTL = 0x144, /* Application Memory Control */ + CMD_XOR_MEM_CTL = 0x148, /* XOR Block Memory Control */ + CMD_DMA_MEM_CTL = 0x14c, /* DMA Block Memory Control */ + CMD_PORT_MEM_CTL0 = 0x150, /* Port Memory Control 0 */ + CMD_PORT_MEM_CTL1 = 0x154, /* Port Memory Control 1 */ + CMD_SATA_PORT_MEM_CTL0 = 0x158, /* SATA Port Memory Control 0 */ + CMD_SATA_PORT_MEM_CTL1 = 0x15c, /* SATA Port Memory Control 1 */ + CMD_XOR_MEM_BIST_CTL = 0x160, /* XOR Memory BIST Control */ + CMD_XOR_MEM_BIST_STAT = 0x164, /* XOR Memroy BIST Status */ + CMD_DMA_MEM_BIST_CTL = 0x168, /* DMA Memory BIST Control */ + CMD_DMA_MEM_BIST_STAT = 0x16c, /* DMA Memory BIST Status */ + CMD_PORT_MEM_BIST_CTL = 0x170, /* Port Memory BIST Control */ + CMD_PORT_MEM_BIST_STAT0 = 0x174, /* Port Memory BIST Status 0 */ + CMD_PORT_MEM_BIST_STAT1 = 0x178, /* Port Memory BIST Status 1 */ + CMD_STP_MEM_BIST_CTL = 0x17c, /* STP Memory BIST Control */ + CMD_STP_MEM_BIST_STAT0 = 0x180, /* STP Memory BIST Status 0 */ + CMD_STP_MEM_BIST_STAT1 = 0x184, /* STP Memory BIST Status 1 */ + CMD_RESET_COUNT = 0x188, /* Reset Count */ + CMD_MONTR_DATA_SEL = 0x18C, /* Monitor Data/Select */ + CMD_PLL_PHY_CONFIG = 0x190, /* PLL/PHY Configuration */ + CMD_PHY_CTL = 0x194, /* PHY Control and Status */ + CMD_PHY_TEST_COUNT0 = 0x198, /* Phy Test Count 0 */ + CMD_PHY_TEST_COUNT1 = 0x19C, /* Phy Test Count 1 */ + CMD_PHY_TEST_COUNT2 = 0x1A0, /* Phy Test Count 2 */ + CMD_APP_ERR_CONFIG = 0x1A4, /* Application Error Configuration */ + CMD_PND_FIFO_CTL0 = 0x1A8, /* Pending FIFO Control 0 */ + CMD_HOST_CTL = 0x1AC, /* Host Control Status */ + CMD_HOST_WR_DATA = 0x1B0, /* Host Write Data */ + CMD_HOST_RD_DATA = 0x1B4, /* Host Read Data */ + CMD_PHY_MODE_21 = 0x1B8, /* Phy Mode 21 */ + CMD_SL_MODE0 = 0x1BC, /* SL Mode 0 */ + CMD_SL_MODE1 = 0x1C0, /* SL Mode 1 */ + CMD_PND_FIFO_CTL1 = 0x1C4, /* Pending FIFO Control 1 */ +}; + +/* SAS/SATA configuration port registers, aka phy registers */ +enum sas_sata_config_port_regs { + PHYR_IDENTIFY = 0x0, /* info for IDENTIFY frame */ + PHYR_ADDR_LO = 0x4, /* my SAS address (low) */ + PHYR_ADDR_HI = 0x8, /* my SAS address (high) */ + PHYR_ATT_DEV_INFO = 0xC, /* attached device info */ + PHYR_ATT_ADDR_LO = 0x10, /* attached dev SAS addr (low) */ + PHYR_ATT_ADDR_HI = 0x14, /* attached dev SAS addr (high) */ + PHYR_SATA_CTL = 0x18, /* SATA control */ + PHYR_PHY_STAT = 0x1C, /* PHY status */ + PHYR_WIDE_PORT = 0x38, /* wide port participating */ + PHYR_CURRENT0 = 0x80, /* current connection info 0 */ + PHYR_CURRENT1 = 0x84, /* current connection info 1 */ + PHYR_CURRENT2 = 0x88, /* current connection info 2 */ +}; + +enum pci_cfg_registers { + PCR_PHY_CTL = 0x40, + PCR_PHY_CTL2 = 0x90, +}; + +enum pci_cfg_register_bits { + PCTL_PWR_ON = (0xFU << 24), + PCTL_OFF = (0xFU << 12), +}; + +enum nvram_layout_offsets { + NVR_SIG = 0x00, /* 0xAA, 0x55 */ + NVR_SAS_ADDR = 0x02, /* 8-byte SAS address */ +}; + +enum chip_flavors { + chip_6320, + chip_6440, + chip_6480, +}; + +struct mvs_chip_info { + unsigned int n_phy; + unsigned int srs_sz; + unsigned int slot_width; +}; + +struct mvs_err_info { + __le32 flags; + __le32 flags2; +}; + +struct mvs_prd { + __le64 addr; /* 64-bit buffer address */ + __le32 reserved; + __le32 len; /* 16-bit length */ +}; + +struct mvs_cmd_hdr { + __le32 flags; /* PRD tbl len; SAS, SATA ctl */ + __le32 lens; /* cmd, max resp frame len */ + __le32 tags; /* targ port xfer tag; tag */ + __le32 data_len; /* data xfer len */ + __le64 cmd_tbl; /* command table address */ + __le64 open_frame; /* open addr frame address */ + __le64 status_buf; /* status buffer address */ + __le64 prd_tbl; /* PRD tbl address */ + __le32 reserved[4]; +}; + +struct mvs_slot_info { + struct sas_task *task; + unsigned int n_elem; + + /* DMA buffer for storing cmd tbl, open addr frame, status buffer, + * and PRD table + */ + void *buf; + dma_addr_t buf_dma; + + void *response; +}; + +struct mvs_port { + struct asd_sas_port sas_port; +}; + +struct mvs_phy { + struct mvs_port *port; + struct asd_sas_phy sas_phy; + + u8 frame_rcvd[24 + 1024]; +}; + +struct mvs_info { + unsigned long flags; + + spinlock_t lock; /* host-wide lock */ + struct pci_dev *pdev; /* our device */ + void __iomem *regs; /* enhanced mode registers */ + void __iomem *peri_regs; /* peripheral registers */ + + u8 sas_addr[SAS_ADDR_SIZE]; + struct sas_ha_struct sas; /* SCSI/SAS glue */ + struct Scsi_Host *shost; + + __le32 *tx; /* TX (delivery) DMA ring */ + dma_addr_t tx_dma; + u32 tx_prod; /* cached next-producer idx */ + + __le32 *rx; /* RX (completion) DMA ring */ + dma_addr_t rx_dma; + u32 rx_cons; /* RX consumer idx */ + + __le32 *rx_fis; /* RX'd FIS area */ + dma_addr_t rx_fis_dma; + + struct mvs_cmd_hdr *slot; /* DMA command header slots */ + dma_addr_t slot_dma; + + const struct mvs_chip_info *chip; + + /* further per-slot information */ + struct mvs_slot_info slot_info[MVS_SLOTS]; + unsigned long tags[(MVS_SLOTS / sizeof(unsigned long)) + 1]; + + struct mvs_phy phy[MVS_MAX_PHYS]; + struct mvs_port port[MVS_MAX_PHYS]; +}; + +static struct scsi_transport_template *mvs_stt; + +static const struct mvs_chip_info mvs_chips[] = { + [chip_6320] = { 2, 16, 9 }, + [chip_6440] = { 4, 16, 9 }, + [chip_6480] = { 8, 32, 10 }, +}; + +static struct scsi_host_template mvs_sht = { + .module = THIS_MODULE, + .name = DRV_NAME, + .queuecommand = sas_queuecommand, + .target_alloc = sas_target_alloc, + .slave_configure = sas_slave_configure, + .slave_destroy = sas_slave_destroy, + .change_queue_depth = sas_change_queue_depth, + .change_queue_type = sas_change_queue_type, + .bios_param = sas_bios_param, + .can_queue = 1, + .cmd_per_lun = 1, + .this_id = -1, + .sg_tablesize = SG_ALL, + .max_sectors = SCSI_DEFAULT_MAX_SECTORS, + .use_clustering = ENABLE_CLUSTERING, + .eh_device_reset_handler= sas_eh_device_reset_handler, + .eh_bus_reset_handler = sas_eh_bus_reset_handler, + .slave_alloc = sas_slave_alloc, + .target_destroy = sas_target_destroy, + .ioctl = sas_ioctl, +}; + +static void mvs_int_rx(struct mvs_info *mvi, bool self_clear); + +/* move to PCI layer or libata core? */ +static int pci_go_64(struct pci_dev *pdev) +{ + int rc; + + if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) { + rc = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); + if (rc) { + rc = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK); + if (rc) { + dev_printk(KERN_ERR, &pdev->dev, + "64-bit DMA enable failed\n"); + return rc; + } + } + } else { + rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK); + if (rc) { + dev_printk(KERN_ERR, &pdev->dev, + "32-bit DMA enable failed\n"); + return rc; + } + rc = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK); + if (rc) { + dev_printk(KERN_ERR, &pdev->dev, + "32-bit consistent DMA enable failed\n"); + return rc; + } + } + + return rc; +} + +static void mvs_tag_clear(struct mvs_info *mvi, unsigned int tag) +{ + mvi->tags[tag / sizeof(unsigned long)] &= + ~(1UL << (tag % sizeof(unsigned long))); +} + +static void mvs_tag_set(struct mvs_info *mvi, unsigned int tag) +{ + mvi->tags[tag / sizeof(unsigned long)] |= + (1UL << (tag % sizeof(unsigned long))); +} + +static bool mvs_tag_test(struct mvs_info *mvi, unsigned int tag) +{ + return mvi->tags[tag / sizeof(unsigned long)] & + (1UL << (tag % sizeof(unsigned long))); +} + +static int mvs_tag_alloc(struct mvs_info *mvi, unsigned int *tag_out) +{ + unsigned int i; + + for (i = 0; i < MVS_SLOTS; i++) + if (!mvs_tag_test(mvi, i)) { + mvs_tag_set(mvi, i); + *tag_out = i; + return 0; + } + + return -EBUSY; +} + +static int mvs_eep_read(void __iomem *regs, unsigned int addr, u32 *data) +{ + int timeout = 1000; + + if (addr & ~SPI_ADDR_MASK) + return -EINVAL; + + writel(addr, regs + SPI_CMD); + writel(TWSI_RD, regs + SPI_CTL); + + while (timeout-- > 0) { + if (readl(regs + SPI_CTL) & TWSI_RDY) { + *data = readl(regs + SPI_DATA); + return 0; + } + + udelay(10); + } + + return -EBUSY; +} + +static int mvs_eep_read_buf(void __iomem *regs, unsigned int addr, + void *buf, unsigned int buflen) +{ + unsigned int addr_end, tmp_addr, i, j; + u32 tmp = 0; + int rc; + u8 *tmp8, *buf8 = buf; + + addr_end = addr + buflen; + tmp_addr = ALIGN(addr, 4); + if (addr > 0xff) + return -EINVAL; + + j = addr & 0x3; + if (j) { + rc = mvs_eep_read(regs, tmp_addr, &tmp); + if (rc) + return rc; + + tmp8 = (u8 *) &tmp; + for (i = j; i < 4; i++) + *buf8++ = tmp8[i]; + + tmp_addr += 4; + } + + for (j = ALIGN(addr_end, 4); tmp_addr < j; tmp_addr += 4) { + rc = mvs_eep_read(regs, tmp_addr, &tmp); + if (rc) + return rc; + + memcpy(buf8, &tmp, 4); + buf8 += 4; + } + + if (tmp_addr < addr_end) { + rc = mvs_eep_read(regs, tmp_addr, &tmp); + if (rc) + return rc; + + tmp8 = (u8 *) &tmp; + j = addr_end - tmp_addr; + for (i = 0; i < j; i++) + *buf8++ = tmp8[i]; + + tmp_addr += 4; + } + + return 0; +} + +static int mvs_nvram_read(struct mvs_info *mvi, unsigned int addr, + void *buf, unsigned int buflen) +{ + void __iomem *regs = mvi->regs; + int rc, i; + unsigned int sum; + u8 hdr[2], *tmp; + const char *msg; + + rc = mvs_eep_read_buf(regs, addr, &hdr, 2); + if (rc) { + msg = "nvram hdr read failed"; + goto err_out; + } + rc = mvs_eep_read_buf(regs, addr + 2, buf, buflen); + if (rc) { + msg = "nvram read failed"; + goto err_out; + } + + if (hdr[0] != 0x5A) { /* entry id */ + msg = "invalid nvram entry id"; + rc = -ENOENT; + goto err_out; + } + + tmp = buf; + sum = ((unsigned int)hdr[0]) + ((unsigned int)hdr[1]); + for (i = 0; i < buflen; i++) + sum += ((unsigned int)tmp[i]); + + if (sum) { + msg = "nvram checksum failure"; + rc = -EILSEQ; + goto err_out; + } + + return 0; + +err_out: + dev_printk(KERN_ERR, &mvi->pdev->dev, "%s", msg); + return rc; +} + +static void mvs_int_port(struct mvs_info *mvi, int port_no, u32 events) +{ + /* FIXME */ +} + +static void mvs_int_sata(struct mvs_info *mvi) +{ + /* FIXME */ +} + +static void mvs_slot_free(struct mvs_info *mvi, struct sas_task *task, + struct mvs_slot_info *slot, unsigned int slot_idx) +{ + if (slot->n_elem) + pci_unmap_sg(mvi->pdev, task->scatter, + slot->n_elem, task->data_dir); + + switch (task->task_proto) { + case SAS_PROTOCOL_SMP: + pci_unmap_sg(mvi->pdev, &task->smp_task.smp_resp, 1, + PCI_DMA_FROMDEVICE); + pci_unmap_sg(mvi->pdev, &task->smp_task.smp_req, 1, + PCI_DMA_TODEVICE); + break; + + case SAS_PROTOCOL_SATA: + case SAS_PROTOCOL_STP: + case SAS_PROTOCOL_SSP: + default: + /* do nothing */ + break; + } + + mvs_tag_clear(mvi, slot_idx); +} + +static void mvs_slot_err(struct mvs_info *mvi, struct sas_task *task, + unsigned int slot_idx) +{ + /* FIXME */ +} + +static void mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc) +{ + unsigned int slot_idx = rx_desc & RXQ_SLOT_MASK; + struct mvs_slot_info *slot = &mvi->slot_info[slot_idx]; + struct sas_task *task = slot->task; + struct task_status_struct *tstat = &task->task_status; + bool aborted; + + spin_lock(&task->task_state_lock); + aborted = task->task_state_flags & SAS_TASK_STATE_ABORTED; + if (!aborted) { + task->task_state_flags &= + ~(SAS_TASK_STATE_PENDING | SAS_TASK_AT_INITIATOR); + task->task_state_flags |= SAS_TASK_STATE_DONE; + } + spin_unlock(&task->task_state_lock); + + if (aborted) + return; + + memset(tstat, 0, sizeof(*tstat)); + tstat->resp = SAS_TASK_COMPLETE; + + /* error info record present */ + if (rx_desc & RXQ_ERR) { + tstat->stat = SAM_CHECK_COND; + mvs_slot_err(mvi, task, slot_idx); + goto out; + } + + switch (task->task_proto) { + case SAS_PROTOCOL_SSP: + /* hw says status == 0, datapres == 0 */ + if (rx_desc & RXQ_GOOD) + tstat->stat = SAM_GOOD; + + /* response frame present */ + else if (rx_desc & RXQ_RSP) { + struct ssp_response_iu *iu = + slot->response + sizeof(struct mvs_err_info); + sas_ssp_task_response(&mvi->pdev->dev, task, iu); + } + + /* should never happen? */ + else + tstat->stat = SAM_CHECK_COND; + break; + + case SAS_PROTOCOL_SMP: + tstat->stat = SAM_GOOD; + break; + + case SAS_PROTOCOL_SATA: + case SAS_PROTOCOL_STP: + if ((rx_desc & (RXQ_DONE | RXQ_ERR | RXQ_ATTN)) == RXQ_DONE) + tstat->stat = SAM_GOOD; + else + tstat->stat = SAM_CHECK_COND; + /* FIXME: read taskfile data from SATA register set + * associated with SATA target + */ + break; + + default: + tstat->stat = SAM_CHECK_COND; + break; + } + +out: + mvs_slot_free(mvi, task, slot, slot_idx); + task->task_done(task); +} + +static void mvs_int_full(struct mvs_info *mvi) +{ + void __iomem *regs = mvi->regs; + u32 tmp, stat; + int i; + + stat = mr32(INT_STAT); + + for (i = 0; i < MVS_MAX_PORTS; i++) { + tmp = (stat >> i) & (CINT_PORT | CINT_PORT_STOPPED); + if (tmp) + mvs_int_port(mvi, i, tmp); + } + + if (stat & CINT_SRS) + mvs_int_sata(mvi); + + if (stat & (CINT_CI_STOP | CINT_DONE)) + mvs_int_rx(mvi, false); + + mw32(INT_STAT, stat); +} + +static void mvs_int_rx(struct mvs_info *mvi, bool self_clear) +{ + u32 rx_prod_idx, rx_desc; + bool attn = false; + + /* the first dword in the RX ring is special: it contains + * a mirror of the hardware's RX producer index, so that + * we don't have to stall the CPU reading that register. + * The actual RX ring is offset by one dword, due to this. + */ + rx_prod_idx = le32_to_cpu(mvi->rx[0]) & 0xfff; + if (rx_prod_idx == 0xfff) { /* h/w hasn't touched RX ring yet */ + mvi->rx_cons = 0xfff; + return; + } + if (mvi->rx_cons == 0xfff) + mvi->rx_cons = MVS_RX_RING_SZ - 1; + + while (mvi->rx_cons != rx_prod_idx) { + /* increment our internal RX consumer pointer */ + mvi->rx_cons = (mvi->rx_cons + 1) & (MVS_RX_RING_SZ - 1); + + /* Read RX descriptor at offset+1, due to above */ + rx_desc = le32_to_cpu(mvi->rx[mvi->rx_cons + 1]); + + if (rx_desc & RXQ_DONE) + /* we had a completion, error or no */ + mvs_slot_complete(mvi, rx_desc); + + if (rx_desc & RXQ_ATTN) + attn = true; + } + + if (attn && self_clear) + mvs_int_full(mvi); + +} + +static irqreturn_t mvs_interrupt(int irq, void *opaque) +{ + struct mvs_info *mvi = opaque; + void __iomem *regs = mvi->regs; + u32 stat; + + stat = mr32(GBL_INT_STAT); + if (stat == 0 || stat == 0xffffffff) + return IRQ_NONE; + + spin_lock(&mvi->lock); + + mvs_int_full(mvi); + + spin_unlock(&mvi->lock); + + return IRQ_HANDLED; +} + +static irqreturn_t mvs_msi_interrupt(int irq, void *opaque) +{ + struct mvs_info *mvi = opaque; + + spin_lock(&mvi->lock); + + mvs_int_rx(mvi, true); + + spin_unlock(&mvi->lock); + + return IRQ_HANDLED; +} + +struct mvs_task_exec_info { + struct sas_task *task; + struct mvs_cmd_hdr *hdr; + unsigned int tag; + int n_elem; +}; + +static int mvs_task_prep_smp(struct mvs_info *mvi, struct mvs_task_exec_info *tei) +{ + int elem, rc; + struct mvs_cmd_hdr *hdr = tei->hdr; + struct scatterlist *sg_req, *sg_resp; + unsigned int req_len, resp_len, tag = tei->tag; + + /* + * DMA-map SMP request, response buffers + */ + + sg_req = &tei->task->smp_task.smp_req; + elem = pci_map_sg(mvi->pdev, sg_req, 1, PCI_DMA_TODEVICE); + if (!elem) + return -ENOMEM; + req_len = sg_dma_len(sg_req); + + sg_resp = &tei->task->smp_task.smp_resp; + elem = pci_map_sg(mvi->pdev, sg_resp, 1, PCI_DMA_FROMDEVICE); + if (!elem) { + rc = -ENOMEM; + goto err_out; + } + resp_len = sg_dma_len(sg_resp); + + /* must be in dwords */ + if ((req_len & 0x3) || (resp_len & 0x3)) { + rc = -EINVAL; + goto err_out_2; + } + + /* + * Fill in TX ring and command slot header + */ + + mvi->tx[tag] = cpu_to_le32( + (TXQ_CMD_SMP << TXQ_CMD_SHIFT) | TXQ_MODE_I | tag); + + hdr->flags = 0; + hdr->lens = cpu_to_le32(((resp_len / 4) << 16) | (req_len / 4)); + hdr->tags = cpu_to_le32(tag); + hdr->data_len = 0; + hdr->cmd_tbl = cpu_to_le64(sg_dma_address(sg_req)); + hdr->open_frame = 0; + hdr->status_buf = cpu_to_le64(sg_dma_address(sg_resp)); + hdr->prd_tbl = 0; + + return 0; + +err_out_2: + pci_unmap_sg(mvi->pdev, &tei->task->smp_task.smp_resp, 1, + PCI_DMA_FROMDEVICE); +err_out: + pci_unmap_sg(mvi->pdev, &tei->task->smp_task.smp_req, 1, + PCI_DMA_TODEVICE); + return rc; +} + +static int mvs_task_prep_ata(struct mvs_info *mvi, + struct mvs_task_exec_info *tei) +{ + struct sas_task *task = tei->task; + struct domain_device *dev = task->dev; + struct mvs_cmd_hdr *hdr = tei->hdr; + struct asd_sas_port *sas_port = dev->port; + unsigned int tag = tei->tag; + struct mvs_slot_info *slot = &mvi->slot_info[tag]; + u32 flags = (tei->n_elem << MCH_PRD_LEN_SHIFT); + struct scatterlist *sg; + struct mvs_prd *buf_prd; + void *buf_tmp; + u8 *buf_cmd, *buf_oaf; + dma_addr_t buf_tmp_dma; + unsigned int i, req_len, resp_len; + + /* FIXME: fill in SATA register set */ + mvi->tx[tag] = cpu_to_le32(TXQ_MODE_I | tag | + (TXQ_CMD_STP << TXQ_CMD_SHIFT) | + (sas_port->phy_mask << TXQ_PHY_SHIFT)); + + if (task->ata_task.use_ncq) + flags |= MCH_FPDMA; + if (dev->sata_dev.command_set == ATAPI_COMMAND_SET) + flags |= MCH_ATAPI; + /* FIXME: fill in port multiplier number */ + + hdr->flags = cpu_to_le32(flags); + hdr->tags = cpu_to_le32(tag); + hdr->data_len = cpu_to_le32(task->total_xfer_len); + + /* + * arrange MVS_SLOT_BUF_SZ-sized DMA buffer according to our needs + */ + memset(slot->buf, 0, MVS_SLOT_BUF_SZ); + + /* region 1: command table area (MVS_ATA_CMD_SZ bytes) ***************/ + buf_cmd = + buf_tmp = slot->buf; + buf_tmp_dma = slot->buf_dma; + + hdr->cmd_tbl = cpu_to_le64(buf_tmp_dma); + + buf_tmp += MVS_ATA_CMD_SZ; + buf_tmp_dma += MVS_ATA_CMD_SZ; + + /* region 2: open address frame area (MVS_OAF_SZ bytes) **********/ + /* used for STP. unused for SATA? */ + buf_oaf = buf_tmp; + hdr->open_frame = cpu_to_le64(buf_tmp_dma); + + buf_tmp += MVS_OAF_SZ; + buf_tmp_dma += MVS_OAF_SZ; + + /* region 3: PRD table ***********************************************/ + buf_prd = buf_tmp; + hdr->prd_tbl = cpu_to_le64(buf_tmp_dma); + + i = sizeof(struct mvs_prd) * tei->n_elem; + buf_tmp += i; + buf_tmp_dma += i; + + /* region 4: status buffer (larger the PRD, smaller this buf) ********/ + /* FIXME: probably unused, for SATA. kept here just in case + * we get a STP/SATA error information record + */ + slot->response = buf_tmp; + hdr->status_buf = cpu_to_le64(buf_tmp_dma); + + req_len = sizeof(struct ssp_frame_hdr) + 28; + resp_len = MVS_SLOT_BUF_SZ - MVS_ATA_CMD_SZ - + sizeof(struct mvs_err_info) - i; + + /* request, response lengths */ + hdr->lens = cpu_to_le32(((resp_len / 4) << 16) | (req_len / 4)); + + /* fill in command FIS and ATAPI CDB */ + memcpy(buf_cmd, &task->ata_task.fis, + sizeof(struct host_to_dev_fis)); + memcpy(buf_cmd + 0x40, task->ata_task.atapi_packet, 16); + + /* fill in PRD (scatter/gather) table, if any */ + sg = task->scatter; + for (i = 0; i < tei->n_elem; i++) { + buf_prd->addr = cpu_to_le64(sg_dma_address(sg)); + buf_prd->len = cpu_to_le32(sg_dma_len(sg)); + + sg++; + buf_prd++; + } + + return 0; +} + +static int mvs_task_prep_ssp(struct mvs_info *mvi, + struct mvs_task_exec_info *tei) +{ + struct sas_task *task = tei->task; + struct asd_sas_port *sas_port = task->dev->port; + struct mvs_cmd_hdr *hdr = tei->hdr; + struct mvs_slot_info *slot; + struct scatterlist *sg; + unsigned int resp_len, req_len, i, tag = tei->tag; + struct mvs_prd *buf_prd; + struct ssp_frame_hdr *ssp_hdr; + void *buf_tmp; + u8 *buf_cmd, *buf_oaf, fburst = 0; + dma_addr_t buf_tmp_dma; + u32 flags; + + slot = &mvi->slot_info[tag]; + + mvi->tx[tag] = cpu_to_le32(TXQ_MODE_I | tag | + (TXQ_CMD_SSP << TXQ_CMD_SHIFT) | + (sas_port->phy_mask << TXQ_PHY_SHIFT)); + + flags = MCH_RETRY; + if (task->ssp_task.enable_first_burst) { + flags |= MCH_FBURST; + fburst = (1 << 7); + } + hdr->flags = cpu_to_le32(flags | + (tei->n_elem << MCH_PRD_LEN_SHIFT) | + (MCH_SSP_FR_CMD << MCH_SSP_FR_TYPE_SHIFT)); + + hdr->tags = cpu_to_le32(tag); + hdr->data_len = cpu_to_le32(task->total_xfer_len); + + /* + * arrange MVS_SLOT_BUF_SZ-sized DMA buffer according to our needs + */ + memset(slot->buf, 0, MVS_SLOT_BUF_SZ); + + /* region 1: command table area (MVS_SSP_CMD_SZ bytes) ***************/ + buf_cmd = + buf_tmp = slot->buf; + buf_tmp_dma = slot->buf_dma; + + hdr->cmd_tbl = cpu_to_le64(buf_tmp_dma); + + buf_tmp += MVS_SSP_CMD_SZ; + buf_tmp_dma += MVS_SSP_CMD_SZ; + + /* region 2: open address frame area (MVS_OAF_SZ bytes) **********/ + buf_oaf = buf_tmp; + hdr->open_frame = cpu_to_le64(buf_tmp_dma); + + buf_tmp += MVS_OAF_SZ; + buf_tmp_dma += MVS_OAF_SZ; + + /* region 3: PRD table ***********************************************/ + buf_prd = buf_tmp; + hdr->prd_tbl = cpu_to_le64(buf_tmp_dma); + + i = sizeof(struct mvs_prd) * tei->n_elem; + buf_tmp += i; + buf_tmp_dma += i; + + /* region 4: status buffer (larger the PRD, smaller this buf) ********/ + slot->response = buf_tmp; + hdr->status_buf = cpu_to_le64(buf_tmp_dma); + + req_len = sizeof(struct ssp_frame_hdr) + 28; + resp_len = MVS_SLOT_BUF_SZ - MVS_SSP_CMD_SZ - MVS_OAF_SZ - + sizeof(struct mvs_err_info) - i; + + /* request, response lengths */ + hdr->lens = cpu_to_le32(((resp_len / 4) << 16) | (req_len / 4)); + + /* generate open address frame hdr (first 12 bytes) */ + buf_oaf[0] = (1 << 7) | (1 << 4) | 0x1; /* initiator, SSP, ftype 1h */ + buf_oaf[1] = task->dev->linkrate & 0xf; + buf_oaf[2] = tag >> 8; + buf_oaf[3] = tag; + memcpy(buf_oaf + 4, task->dev->sas_addr, SAS_ADDR_SIZE); + + /* fill in SSP frame header */ + ssp_hdr = (struct ssp_frame_hdr *) buf_cmd; + ssp_hdr->frame_type = SSP_COMMAND; + memcpy(ssp_hdr->hashed_dest_addr, task->dev->hashed_sas_addr, + HASHED_SAS_ADDR_SIZE); + memcpy(ssp_hdr->hashed_src_addr, + task->dev->port->ha->hashed_sas_addr, HASHED_SAS_ADDR_SIZE); + ssp_hdr->tag = cpu_to_be16(tag); + + /* fill in command frame IU */ + buf_cmd += sizeof(*ssp_hdr); + memcpy(buf_cmd, &task->ssp_task.LUN, 8); + buf_cmd[9] = fburst | + task->ssp_task.task_attr | + (task->ssp_task.task_prio << 3); + memcpy(buf_cmd + 12, &task->ssp_task.cdb, 16); + + /* fill in PRD (scatter/gather) table, if any */ + sg = task->scatter; + for (i = 0; i < tei->n_elem; i++) { + buf_prd->addr = cpu_to_le64(sg_dma_address(sg)); + buf_prd->len = cpu_to_le32(sg_dma_len(sg)); + + sg++; + buf_prd++; + } + + return 0; +} + +static int mvs_task_exec(struct sas_task *task, const int num, gfp_t gfp_flags) +{ + struct mvs_info *mvi = task->dev->port->ha->lldd_ha; + unsigned int tag = 0xdeadbeef, rc, n_elem = 0; + void __iomem *regs = mvi->regs; + unsigned long flags; + struct mvs_task_exec_info tei; + + /* FIXME: STP/SATA support not complete yet */ + if (task->task_proto == SAS_PROTOCOL_SATA || task->task_proto == SAS_PROTOCOL_STP) + return -SAS_DEV_NO_RESPONSE; + + if (task->num_scatter) { + n_elem = pci_map_sg(mvi->pdev, task->scatter, + task->num_scatter, task->data_dir); + if (!n_elem) + return -ENOMEM; + } + + spin_lock_irqsave(&mvi->lock, flags); + + rc = mvs_tag_alloc(mvi, &tag); + if (rc) + goto err_out; + + mvi->slot_info[tag].task = task; + mvi->slot_info[tag].n_elem = n_elem; + tei.task = task; + tei.hdr = &mvi->slot[tag]; + tei.tag = tag; + tei.n_elem = n_elem; + + switch (task->task_proto) { + case SAS_PROTOCOL_SMP: + rc = mvs_task_prep_smp(mvi, &tei); + break; + case SAS_PROTOCOL_SSP: + rc = mvs_task_prep_ssp(mvi, &tei); + break; + case SAS_PROTOCOL_SATA: + case SAS_PROTOCOL_STP: + rc = mvs_task_prep_ata(mvi, &tei); + break; + default: + rc = -EINVAL; + break; + } + + if (rc) + goto err_out_tag; + + /* TODO: select normal or high priority */ + + mw32(RX_PROD_IDX, mvi->tx_prod); + + mvi->tx_prod = (mvi->tx_prod + 1) & (MVS_TX_RING_SZ - 1); + + spin_lock(&task->task_state_lock); + task->task_state_flags |= SAS_TASK_AT_INITIATOR; + spin_unlock(&task->task_state_lock); + + spin_unlock_irqrestore(&mvi->lock, flags); + return 0; + +err_out_tag: + mvs_tag_clear(mvi, tag); +err_out: + if (n_elem) + pci_unmap_sg(mvi->pdev, task->scatter, n_elem, task->data_dir); + spin_unlock_irqrestore(&mvi->lock, flags); + return rc; +} + +static void mvs_free(struct mvs_info *mvi) +{ + int i; + + if (!mvi) + return; + + for (i = 0; i < MVS_SLOTS; i++) { + struct mvs_slot_info *slot = &mvi->slot_info[i]; + + if (slot->buf) + dma_free_coherent(&mvi->pdev->dev, MVS_SLOT_BUF_SZ, + slot->buf, slot->buf_dma); + } + + if (mvi->tx) + dma_free_coherent(&mvi->pdev->dev, + sizeof(*mvi->tx) * MVS_TX_RING_SZ, + mvi->tx, mvi->tx_dma); + if (mvi->rx_fis) + dma_free_coherent(&mvi->pdev->dev, MVS_RX_FISL_SZ, + mvi->rx_fis, mvi->rx_fis_dma); + if (mvi->rx) + dma_free_coherent(&mvi->pdev->dev, + sizeof(*mvi->rx) * MVS_RX_RING_SZ, + mvi->rx, mvi->rx_dma); + if (mvi->slot) + dma_free_coherent(&mvi->pdev->dev, + sizeof(*mvi->slot) * MVS_RX_RING_SZ, + mvi->slot, mvi->slot_dma); + if (mvi->peri_regs) + iounmap(mvi->peri_regs); + if (mvi->regs) + iounmap(mvi->regs); + if (mvi->shost) + scsi_host_put(mvi->shost); + kfree(mvi->sas.sas_port); + kfree(mvi->sas.sas_phy); + kfree(mvi); +} + +/* FIXME: locking? */ +static int mvs_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func, + void *funcdata) +{ + struct mvs_info *mvi = sas_phy->ha->lldd_ha; + void __iomem *reg; + int rc = 0, phy_id = sas_phy->id; + u32 tmp; + + reg = mvi->regs + MVS_P0_SER_CTLSTAT + (phy_id * 4); + + switch (func) { + case PHY_FUNC_SET_LINK_RATE: { + struct sas_phy_linkrates *rates = funcdata; + u32 lrmin = 0, lrmax = 0; + + lrmin = (rates->minimum_linkrate << 8); + lrmax = (rates->maximum_linkrate << 12); + + tmp = readl(reg); + if (lrmin) { + tmp &= ~(0xf << 8); + tmp |= lrmin; + } + if (lrmax) { + tmp &= ~(0xf << 12); + tmp |= lrmax; + } + writel(tmp, reg); + break; + } + + case PHY_FUNC_HARD_RESET: + tmp = readl(reg); + if (tmp & PHY_RST_HARD) + break; + writel(tmp | PHY_RST_HARD, reg); + break; + + case PHY_FUNC_LINK_RESET: + writel(readl(reg) | PHY_RST, reg); + break; + + case PHY_FUNC_DISABLE: + case PHY_FUNC_RELEASE_SPINUP_HOLD: + default: + rc = -EOPNOTSUPP; + } + + return rc; +} + +static void __devinit mvs_phy_init(struct mvs_info *mvi, int phy_id) +{ + struct mvs_phy *phy = &mvi->phy[phy_id]; + struct asd_sas_phy *sas_phy = &phy->sas_phy; + + sas_phy->enabled = (phy_id < mvi->chip->n_phy) ? 1 : 0; + sas_phy->class = SAS; + sas_phy->iproto = SAS_PROTOCOL_ALL; + sas_phy->tproto = 0; + sas_phy->type = PHY_TYPE_PHYSICAL; + sas_phy->role = PHY_ROLE_INITIATOR; + sas_phy->oob_mode = OOB_NOT_CONNECTED; + sas_phy->linkrate = SAS_LINK_RATE_UNKNOWN; + + sas_phy->id = phy_id; + sas_phy->sas_addr = &mvi->sas_addr[0]; + sas_phy->frame_rcvd = &phy->frame_rcvd[0]; + sas_phy->ha = &mvi->sas; + sas_phy->lldd_phy = phy; +} + +static struct mvs_info * __devinit mvs_alloc(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + struct mvs_info *mvi; + unsigned long res_start, res_len; + struct asd_sas_phy **arr_phy; + struct asd_sas_port **arr_port; + const struct mvs_chip_info *chip = &mvs_chips[ent->driver_data]; + int i; + + /* + * alloc and init our per-HBA mvs_info struct + */ + + mvi = kzalloc(sizeof(*mvi), GFP_KERNEL); + if (!mvi) + return NULL; + + spin_lock_init(&mvi->lock); + mvi->pdev = pdev; + mvi->chip = chip; + + if (pdev->device == 0x6440 && pdev->revision == 0) + mvi->flags |= MVF_PHY_PWR_FIX; + + /* + * alloc and init SCSI, SAS glue + */ + + mvi->shost = scsi_host_alloc(&mvs_sht, sizeof(void *)); + if (!mvi->shost) + goto err_out; + + arr_phy = kcalloc(MVS_MAX_PHYS, sizeof(void *), GFP_KERNEL); + arr_port = kcalloc(MVS_MAX_PHYS, sizeof(void *), GFP_KERNEL); + if (!arr_phy || !arr_port) + goto err_out; + + for (i = 0; i < MVS_MAX_PHYS; i++) { + mvs_phy_init(mvi, i); + arr_phy[i] = &mvi->phy[i].sas_phy; + arr_port[i] = &mvi->port[i].sas_port; + } + + SHOST_TO_SAS_HA(mvi->shost) = &mvi->sas; + mvi->shost->transportt = mvs_stt; + mvi->shost->max_id = ~0; + mvi->shost->max_lun = ~0; + mvi->shost->max_cmd_len = ~0; + + mvi->sas.sas_ha_name = DRV_NAME; + mvi->sas.dev = &pdev->dev; + mvi->sas.lldd_module = THIS_MODULE; + mvi->sas.sas_addr = &mvi->sas_addr[0]; + mvi->sas.sas_phy = arr_phy; + mvi->sas.sas_port = arr_port; + mvi->sas.num_phys = chip->n_phy; + mvi->sas.lldd_max_execute_num = MVS_TX_RING_SZ - 1;/* FIXME: correct? */ + mvi->sas.lldd_queue_size = MVS_TX_RING_SZ - 1; /* FIXME: correct? */ + mvi->sas.lldd_ha = mvi; + mvi->sas.core.shost = mvi->shost; + + mvs_tag_set(mvi, MVS_TX_RING_SZ - 1); + + /* + * ioremap main and peripheral registers + */ + + res_start = pci_resource_start(pdev, 2); + res_len = pci_resource_len(pdev, 2); + if (!res_start || !res_len) + goto err_out; + + mvi->peri_regs = ioremap_nocache(res_start, res_len); + if (!mvi->regs) + goto err_out; + + res_start = pci_resource_start(pdev, 4); + res_len = pci_resource_len(pdev, 4); + if (!res_start || !res_len) + goto err_out; + + mvi->regs = ioremap_nocache(res_start, res_len); + if (!mvi->regs) + goto err_out; + + /* + * alloc and init our DMA areas + */ + + mvi->tx = dma_alloc_coherent(&pdev->dev, + sizeof(*mvi->tx) * MVS_TX_RING_SZ, + &mvi->tx_dma, GFP_KERNEL); + if (!mvi->tx) + goto err_out; + memset(mvi->tx, 0, sizeof(*mvi->tx) * MVS_TX_RING_SZ); + + mvi->rx_fis = dma_alloc_coherent(&pdev->dev, MVS_RX_FISL_SZ, + &mvi->rx_fis_dma, GFP_KERNEL); + if (!mvi->rx_fis) + goto err_out; + memset(mvi->rx_fis, 0, MVS_RX_FISL_SZ); + + mvi->rx = dma_alloc_coherent(&pdev->dev, + sizeof(*mvi->rx) * MVS_RX_RING_SZ, + &mvi->rx_dma, GFP_KERNEL); + if (!mvi->rx) + goto err_out; + memset(mvi->rx, 0, sizeof(*mvi->rx) * MVS_RX_RING_SZ); + + mvi->rx[0] = cpu_to_le32(0xfff); + mvi->rx_cons = 0xfff; + + mvi->slot = dma_alloc_coherent(&pdev->dev, + sizeof(*mvi->slot) * MVS_SLOTS, + &mvi->slot_dma, GFP_KERNEL); + if (!mvi->slot) + goto err_out; + memset(mvi->slot, 0, sizeof(*mvi->slot) * MVS_SLOTS); + + for (i = 0; i < MVS_SLOTS; i++) { + struct mvs_slot_info *slot = &mvi->slot_info[i]; + + slot->buf = dma_alloc_coherent(&pdev->dev, MVS_SLOT_BUF_SZ, + &slot->buf_dma, GFP_KERNEL); + if (!slot->buf) + goto err_out; + memset(slot->buf, 0, MVS_SLOT_BUF_SZ); + } + + /* finally, read NVRAM to get our SAS address */ + if (mvs_nvram_read(mvi, NVR_SAS_ADDR, &mvi->sas_addr, 8)) + goto err_out; + + return mvi; + +err_out: + mvs_free(mvi); + return NULL; +} + +static u32 mvs_cr32(void __iomem *regs, u32 addr) +{ + mw32(CMD_ADDR, addr); + return mr32(CMD_DATA); +} + +static void mvs_cw32(void __iomem *regs, u32 addr, u32 val) +{ + mw32(CMD_ADDR, addr); + mw32(CMD_DATA, val); +} + +#if 0 +static u32 mvs_phy_read(struct mvs_info *mvi, unsigned int phy_id, u32 addr) +{ + void __iomem *regs = mvi->regs; + void __iomem *phy_regs = regs + MVS_P0_CFG_ADDR + (phy_id * 8); + + writel(addr, phy_regs); + return readl(phy_regs + 4); +} +#endif + +static void mvs_phy_write(struct mvs_info *mvi, unsigned int phy_id, + u32 addr, u32 val) +{ + void __iomem *regs = mvi->regs; + void __iomem *phy_regs = regs + MVS_P0_CFG_ADDR + (phy_id * 8); + + writel(addr, phy_regs); + writel(val, phy_regs + 4); + readl(phy_regs); /* flush */ +} + +static void __devinit mvs_phy_hacks(struct mvs_info *mvi) +{ + void __iomem *regs = mvi->regs; + u32 tmp; + + /* workaround for SATA R-ERR, to ignore phy glitch */ + tmp = mvs_cr32(regs, CMD_PHY_TIMER); + tmp &= ~(1 << 9); + tmp |= (1 << 10); + mvs_cw32(regs, CMD_PHY_TIMER, tmp); + + /* enable retry 127 times */ + mvs_cw32(regs, CMD_SAS_CTL1, 0x7f7f); + + /* extend open frame timeout to max */ + tmp = mvs_cr32(regs, CMD_SAS_CTL0); + tmp &= ~0xffff; + tmp |= 0x3fff; + mvs_cw32(regs, CMD_SAS_CTL0, tmp); + + /* workaround for WDTIMEOUT , set to 550 ms */ + mvs_cw32(regs, CMD_WD_TIMER, 0xffffff); + + /* not to halt for different port op during wideport link change */ + mvs_cw32(regs, CMD_APP_ERR_CONFIG, 0xffefbf7d); + + /* workaround for Seagate disk not-found OOB sequence, recv + * COMINIT before sending out COMWAKE */ + tmp = mvs_cr32(regs, CMD_PHY_MODE_21); + tmp &= 0x0000ffff; + tmp |= 0x00fa0000; + mvs_cw32(regs, CMD_PHY_MODE_21, tmp); + + tmp = mvs_cr32(regs, CMD_PHY_TIMER); + tmp &= 0x1fffffff; + tmp |= (2U << 29); /* 8 ms retry */ + mvs_cw32(regs, CMD_PHY_TIMER, tmp); +} + +static int __devinit mvs_hw_init(struct mvs_info *mvi) +{ + void __iomem *regs = mvi->regs; + int i; + u32 tmp, cctl; + + /* make sure interrupts are masked immediately (paranoia) */ + mw32(GBL_CTL, 0); + tmp = mr32(GBL_CTL); + + if (!(tmp & HBA_RST)) { + if (mvi->flags & MVF_PHY_PWR_FIX) { + pci_read_config_dword(mvi->pdev, PCR_PHY_CTL, &tmp); + tmp &= ~PCTL_PWR_ON; + tmp |= PCTL_OFF; + pci_write_config_dword(mvi->pdev, PCR_PHY_CTL, tmp); + + pci_read_config_dword(mvi->pdev, PCR_PHY_CTL2, &tmp); + tmp &= ~PCTL_PWR_ON; + tmp |= PCTL_OFF; + pci_write_config_dword(mvi->pdev, PCR_PHY_CTL2, tmp); + } + + /* global reset, incl. COMRESET/H_RESET_N (self-clearing) */ + mw32_f(GBL_CTL, HBA_RST); + } + + + /* wait for reset to finish; timeout is just a guess */ + i = 1000; + while (i-- > 0) { + msleep(10); + + if (!(mr32(GBL_CTL) & HBA_RST)) + break; + } + if (mr32(GBL_CTL) & HBA_RST) { + dev_printk(KERN_ERR, &mvi->pdev->dev, "HBA reset failed\n"); + return -EBUSY; + } + + /* make sure RST is set; HBA_RST /should/ have done that for us */ + cctl = mr32(CTL); + if (cctl & CCTL_RST) + cctl &= ~CCTL_RST; + else + mw32_f(CTL, cctl | CCTL_RST); + + pci_read_config_dword(mvi->pdev, PCR_PHY_CTL, &tmp); + tmp |= PCTL_PWR_ON; + tmp &= ~PCTL_OFF; + pci_write_config_dword(mvi->pdev, PCR_PHY_CTL, tmp); + + pci_read_config_dword(mvi->pdev, PCR_PHY_CTL2, &tmp); + tmp |= PCTL_PWR_ON; + tmp &= ~PCTL_OFF; + pci_write_config_dword(mvi->pdev, PCR_PHY_CTL2, tmp); + + mw32_f(CTL, cctl); + + mvs_phy_hacks(mvi); + + mw32(CMD_LIST_LO, mvi->slot_dma); + mw32(CMD_LIST_HI, (mvi->slot_dma >> 16) >> 16); + + mw32(RX_FIS_LO, mvi->rx_fis_dma); + mw32(RX_FIS_HI, (mvi->rx_fis_dma >> 16) >> 16); + + mw32(TX_CFG, MVS_TX_RING_SZ); + mw32(TX_LO, mvi->tx_dma); + mw32(TX_HI, (mvi->tx_dma >> 16) >> 16); + + mw32(RX_CFG, MVS_RX_RING_SZ); + mw32(RX_LO, mvi->rx_dma); + mw32(RX_HI, (mvi->rx_dma >> 16) >> 16); + + /* init and reset phys */ + for (i = 0; i < mvi->chip->n_phy; i++) { + /* FIXME: is this the correct dword order? */ + u32 lo = *((u32 *) &mvi->sas_addr[0]); + u32 hi = *((u32 *) &mvi->sas_addr[4]); + + /* set phy local SAS address */ + mvs_phy_write(mvi, i, PHYR_ADDR_LO, lo); + mvs_phy_write(mvi, i, PHYR_ADDR_HI, hi); + + /* reset phy */ + tmp = readl(regs + MVS_P0_SER_CTLSTAT + (i * 4)); + tmp |= PHY_RST; + writel(tmp, regs + MVS_P0_SER_CTLSTAT + (i * 4)); + } + + msleep(100); + + for (i = 0; i < mvi->chip->n_phy; i++) { + /* set phy int mask */ + writel(PHYEV_BROAD_CH | PHYEV_RDY_CH, + regs + MVS_P0_INT_MASK + (i * 8)); + + /* clear phy int status */ + tmp = readl(regs + MVS_P0_INT_STAT + (i * 8)); + writel(tmp, regs + MVS_P0_INT_STAT + (i * 8)); + } + + /* FIXME: update wide port bitmaps */ + + /* ladies and gentlemen, start your engines */ + mw32(TX_CFG, MVS_TX_RING_SZ | TX_EN); + mw32(RX_CFG, MVS_RX_RING_SZ | RX_EN); + mw32(PCS, PCS_SATA_RETRY | PCS_FIS_RX_EN | PCS_CMD_EN | + ((mvi->flags & MVF_MSI) ? PCS_SELF_CLEAR : 0)); + + /* re-enable interrupts globally */ + mw32(GBL_CTL, INT_EN); + + return 0; +} + +static void __devinit mvs_print_info(struct mvs_info *mvi) +{ + struct pci_dev *pdev = mvi->pdev; + static int printed_version; + + if (!printed_version++) + dev_printk(KERN_INFO, &pdev->dev, "version " DRV_VERSION "\n"); + + dev_printk(KERN_INFO, &pdev->dev, "%u phys, addr %llx\n", + mvi->chip->n_phy, SAS_ADDR(mvi->sas_addr)); +} + +static int __devinit mvs_pci_init(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + int rc; + struct mvs_info *mvi; + irq_handler_t irq_handler = mvs_interrupt; + + rc = pci_enable_device(pdev); + if (rc) + return rc; + + pci_set_master(pdev); + + rc = pci_request_regions(pdev, DRV_NAME); + if (rc) + goto err_out_disable; + + rc = pci_go_64(pdev); + if (rc) + goto err_out_regions; + + mvi = mvs_alloc(pdev, ent); + if (!mvi) { + rc = -ENOMEM; + goto err_out_regions; + } + + rc = mvs_hw_init(mvi); + if (rc) + goto err_out_mvi; + + if (!pci_enable_msi(pdev)) { + mvi->flags |= MVF_MSI; + irq_handler = mvs_msi_interrupt; + } + + rc = request_irq(pdev->irq, irq_handler, IRQF_SHARED, DRV_NAME, mvi); + if (rc) + goto err_out_msi; + + rc = scsi_add_host(mvi->shost, &pdev->dev); + if (rc) + goto err_out_irq; + + rc = sas_register_ha(&mvi->sas); + if (rc) + goto err_out_shost; + + pci_set_drvdata(pdev, mvi); + + mvs_print_info(mvi); + + scsi_scan_host(mvi->shost); + return 0; + +err_out_shost: + scsi_remove_host(mvi->shost); +err_out_irq: + free_irq(pdev->irq, mvi); +err_out_msi: + if (mvi->flags |= MVF_MSI) + pci_disable_msi(pdev); +err_out_mvi: + mvs_free(mvi); +err_out_regions: + pci_release_regions(pdev); +err_out_disable: + pci_disable_device(pdev); + return rc; +} + +static void __devexit mvs_pci_remove(struct pci_dev *pdev) +{ + struct mvs_info *mvi = pci_get_drvdata(pdev); + + pci_set_drvdata(pdev, NULL); + + sas_unregister_ha(&mvi->sas); + sas_remove_host(mvi->shost); + scsi_remove_host(mvi->shost); + + free_irq(pdev->irq, mvi); + if (mvi->flags & MVF_MSI) + pci_disable_msi(pdev); + mvs_free(mvi); + pci_release_regions(pdev); + pci_disable_device(pdev); +} + +static struct sas_domain_function_template mvs_transport_ops = { + .lldd_execute_task = mvs_task_exec, + .lldd_control_phy = mvs_phy_control, +}; + +static struct pci_device_id __devinitdata mvs_pci_table[] = { + { PCI_VDEVICE(MARVELL, 0x6320), chip_6320 }, + { PCI_VDEVICE(MARVELL, 0x6340), chip_6440 }, + { PCI_VDEVICE(MARVELL, 0x6440), chip_6440 }, + { PCI_VDEVICE(MARVELL, 0x6480), chip_6480 }, + + { } /* terminate list */ +}; + +static struct pci_driver mvs_pci_driver = { + .name = DRV_NAME, + .id_table = mvs_pci_table, + .probe = mvs_pci_init, + .remove = __devexit_p(mvs_pci_remove), +}; + +static int __init mvs_init(void) +{ + int rc; + + mvs_stt = sas_domain_attach_transport(&mvs_transport_ops); + if (!mvs_stt) + return -ENOMEM; + + rc = pci_register_driver(&mvs_pci_driver); + if (rc) + goto err_out; + + return 0; + +err_out: + sas_release_transport(mvs_stt); + return rc; +} + +static void __exit mvs_exit(void) +{ + pci_unregister_driver(&mvs_pci_driver); + sas_release_transport(mvs_stt); +} + +module_init(mvs_init); +module_exit(mvs_exit); + +MODULE_AUTHOR("Jeff Garzik "); +MODULE_DESCRIPTION("Marvell 88SE6440 SAS/SATA controller driver"); +MODULE_VERSION(DRV_VERSION); +MODULE_LICENSE("GPL"); +MODULE_DEVICE_TABLE(pci, mvs_pci_table); + -- cgit v1.2.3 From 8f261aaf9be5c1246013cf6a65b98586d24832a5 Mon Sep 17 00:00:00 2001 From: Ke Wei Date: Sat, 23 Feb 2008 21:15:27 +0800 Subject: [SCSI] mvsas: convert from rough draft to working driver Convert rough draft Marvell 6440 driver to a working driver. Added support for SAS and SATA devices, hotplug, wide port, and expanders. Signed-off-by: Ke Wei Signed-off-by: James Bottomley --- drivers/scsi/mvsas.c | 1782 +++++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 1469 insertions(+), 313 deletions(-) mode change 100644 => 100755 drivers/scsi/mvsas.c (limited to 'drivers') diff --git a/drivers/scsi/mvsas.c b/drivers/scsi/mvsas.c old mode 100644 new mode 100755 index 03638b9bb28..30e20e69715 --- a/drivers/scsi/mvsas.c +++ b/drivers/scsi/mvsas.c @@ -2,6 +2,7 @@ mvsas.c - Marvell 88SE6440 SAS/SATA support Copyright 2007 Red Hat, Inc. + Copyright 2008 Marvell. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as @@ -37,16 +38,35 @@ #include #include -#define DRV_NAME "mvsas" -#define DRV_VERSION "0.1" +#define DRV_NAME "mvsas" +#define DRV_VERSION "0.5" +#define _MV_DUMP 0 +#define MVS_DISABLE_NVRAM +#define MVS_DISABLE_MSI #define mr32(reg) readl(regs + MVS_##reg) #define mw32(reg,val) writel((val), regs + MVS_##reg) -#define mw32_f(reg,val) do { \ +#define mw32_f(reg,val) do { \ writel((val), regs + MVS_##reg); \ readl(regs + MVS_##reg); \ } while (0) +#define MVS_ID_NOT_MAPPED 0xff +#define MVS_CHIP_SLOT_SZ (1U << mvi->chip->slot_width) + +/* offset for D2H FIS in the Received FIS List Structure */ +#define SATA_RECEIVED_D2H_FIS(reg_set) \ + ((void *) mvi->rx_fis + 0x400 + 0x100 * reg_set + 0x40) +#define SATA_RECEIVED_PIO_FIS(reg_set) \ + ((void *) mvi->rx_fis + 0x400 + 0x100 * reg_set + 0x20) +#define UNASSOC_D2H_FIS(id) \ + ((void *) mvi->rx_fis + 0x100 * id) + +#define for_each_phy(__lseq_mask, __mc, __lseq, __rest) \ + for ((__mc) = (__lseq_mask), (__lseq) = 0; \ + (__mc) != 0 && __rest; \ + (++__lseq), (__mc) >>= 1) + /* driver compile-time configuration */ enum driver_configuration { MVS_TX_RING_SZ = 1024, /* TX ring size (12-bit) */ @@ -57,10 +77,12 @@ enum driver_configuration { MVS_SLOTS = 512, /* command slots */ MVS_SLOT_BUF_SZ = 8192, /* cmd tbl + IU + status + PRD */ MVS_SSP_CMD_SZ = 64, /* SSP command table buffer size */ - MVS_ATA_CMD_SZ = 128, /* SATA command table buffer size */ + MVS_ATA_CMD_SZ = 96, /* SATA command table buffer size */ MVS_OAF_SZ = 64, /* Open address frame buffer size */ MVS_RX_FIS_COUNT = 17, /* Optional rx'd FISs (max 17) */ + + MVS_QUEUE_SIZE = 30, /* Support Queue depth */ }; /* unchangeable hardware details */ @@ -89,7 +111,7 @@ enum hw_registers { MVS_GBL_CTL = 0x04, /* global control */ MVS_GBL_INT_STAT = 0x08, /* global irq status */ MVS_GBL_PI = 0x0C, /* ports implemented bitmask */ - MVS_GBL_PORT_TYPE = 0x00, /* port type */ + MVS_GBL_PORT_TYPE = 0xa0, /* port type */ MVS_CTL = 0x100, /* SAS/SATA port configuration */ MVS_PCS = 0x104, /* SAS/SATA port control/status */ @@ -102,24 +124,29 @@ enum hw_registers { MVS_TX_LO = 0x124, /* TX (delivery) ring addr */ MVS_TX_HI = 0x128, - MVS_RX_PROD_IDX = 0x12C, /* RX producer pointer */ - MVS_RX_CONS_IDX = 0x130, /* RX consumer pointer (RO) */ + MVS_TX_PROD_IDX = 0x12C, /* TX producer pointer */ + MVS_TX_CONS_IDX = 0x130, /* TX consumer pointer (RO) */ MVS_RX_CFG = 0x134, /* RX configuration */ MVS_RX_LO = 0x138, /* RX (completion) ring addr */ MVS_RX_HI = 0x13C, + MVS_RX_CONS_IDX = 0x140, /* RX consumer pointer (RO) */ MVS_INT_COAL = 0x148, /* Int coalescing config */ MVS_INT_COAL_TMOUT = 0x14C, /* Int coalescing timeout */ MVS_INT_STAT = 0x150, /* Central int status */ MVS_INT_MASK = 0x154, /* Central int enable */ MVS_INT_STAT_SRS = 0x158, /* SATA register set status */ + MVS_INT_MASK_SRS = 0x15C, /* ports 1-3 follow after this */ MVS_P0_INT_STAT = 0x160, /* port0 interrupt status */ MVS_P0_INT_MASK = 0x164, /* port0 interrupt mask */ + MVS_P4_INT_STAT = 0x200, /* Port 4 interrupt status */ + MVS_P4_INT_MASK = 0x204, /* Port 4 interrupt enable mask */ /* ports 1-3 follow after this */ MVS_P0_SER_CTLSTAT = 0x180, /* port0 serial control/status */ + MVS_P4_SER_CTLSTAT = 0x220, /* port4 serial control/status */ MVS_CMD_ADDR = 0x1B8, /* Command register port (addr) */ MVS_CMD_DATA = 0x1BC, /* Command register port (data) */ @@ -127,6 +154,14 @@ enum hw_registers { /* ports 1-3 follow after this */ MVS_P0_CFG_ADDR = 0x1C0, /* port0 phy register address */ MVS_P0_CFG_DATA = 0x1C4, /* port0 phy register data */ + MVS_P4_CFG_ADDR = 0x230, /* Port 4 config address */ + MVS_P4_CFG_DATA = 0x234, /* Port 4 config data */ + + /* ports 1-3 follow after this */ + MVS_P0_VSR_ADDR = 0x1E0, /* port0 VSR address */ + MVS_P0_VSR_DATA = 0x1E4, /* port0 VSR data */ + MVS_P4_VSR_ADDR = 0x250, /* port 4 VSR addr */ + MVS_P4_VSR_DATA = 0x254, /* port 4 VSR data */ }; enum hw_register_bits { @@ -140,12 +175,35 @@ enum hw_register_bits { /* MVS_GBL_PORT_TYPE */ /* shl for ports 1-3 */ SATA_TARGET = (1U << 16), /* port0 SATA target enable */ - AUTO_DET = (1U << 8), /* port0 SAS/SATA autodetect */ - SAS_MODE = (1U << 0), /* port0 SAS(1), SATA(0) mode */ - /* SAS_MODE value may be - * dictated (in hw) by values - * of SATA_TARGET & AUTO_DET - */ + MODE_AUTO_DET_PORT7 = (1U << 15), /* port0 SAS/SATA autodetect */ + MODE_AUTO_DET_PORT6 = (1U << 14), + MODE_AUTO_DET_PORT5 = (1U << 13), + MODE_AUTO_DET_PORT4 = (1U << 12), + MODE_AUTO_DET_PORT3 = (1U << 11), + MODE_AUTO_DET_PORT2 = (1U << 10), + MODE_AUTO_DET_PORT1 = (1U << 9), + MODE_AUTO_DET_PORT0 = (1U << 8), + MODE_AUTO_DET_EN = MODE_AUTO_DET_PORT0 | MODE_AUTO_DET_PORT1 | + MODE_AUTO_DET_PORT2 | MODE_AUTO_DET_PORT3 | + MODE_AUTO_DET_PORT4 | MODE_AUTO_DET_PORT5 | + MODE_AUTO_DET_PORT6 | MODE_AUTO_DET_PORT7, + MODE_SAS_PORT7_MASK = (1U << 7), /* port0 SAS(1), SATA(0) mode */ + MODE_SAS_PORT6_MASK = (1U << 6), + MODE_SAS_PORT5_MASK = (1U << 5), + MODE_SAS_PORT4_MASK = (1U << 4), + MODE_SAS_PORT3_MASK = (1U << 3), + MODE_SAS_PORT2_MASK = (1U << 2), + MODE_SAS_PORT1_MASK = (1U << 1), + MODE_SAS_PORT0_MASK = (1U << 0), + MODE_SAS_SATA = MODE_SAS_PORT0_MASK | MODE_SAS_PORT1_MASK | + MODE_SAS_PORT2_MASK | MODE_SAS_PORT3_MASK | + MODE_SAS_PORT4_MASK | MODE_SAS_PORT5_MASK | + MODE_SAS_PORT6_MASK | MODE_SAS_PORT7_MASK, + + /* SAS_MODE value may be + * dictated (in hw) by values + * of SATA_TARGET & AUTO_DET + */ /* MVS_TX_CFG */ TX_EN = (1U << 16), /* Enable TX */ @@ -167,12 +225,14 @@ enum hw_register_bits { CINT_MEM = (1U << 26), /* int mem parity err */ CINT_I2C_SLAVE = (1U << 25), /* slave I2C event */ CINT_SRS = (1U << 3), /* SRS event */ - CINT_CI_STOP = (1U << 10), /* cmd issue stopped */ + CINT_CI_STOP = (1U << 1), /* cmd issue stopped */ CINT_DONE = (1U << 0), /* cmd completion */ /* shl for ports 1-3 */ CINT_PORT_STOPPED = (1U << 16), /* port0 stopped */ CINT_PORT = (1U << 8), /* port0 event */ + CINT_PORT_MASK_OFFSET = 8, + CINT_PORT_MASK = (0xFF << CINT_PORT_MASK_OFFSET), /* TX (delivery) ring bits */ TXQ_CMD_SHIFT = 29, @@ -239,8 +299,15 @@ enum hw_register_bits { PHY_BCAST_CHG = (1U << 2), /* broadcast(change) notif */ PHY_RST_HARD = (1U << 1), /* hard reset + phy reset */ PHY_RST = (1U << 0), /* phy reset */ + PHY_MIN_SPP_PHYS_LINK_RATE_MASK = (0xF << 8), + PHY_MAX_SPP_PHYS_LINK_RATE_MASK = (0xF << 12), + PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET = (16), + PHY_NEG_SPP_PHYS_LINK_RATE_MASK = + (0xF << PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET), + PHY_READY_MASK = (1U << 20), /* MVS_Px_INT_STAT, MVS_Px_INT_MASK (per-phy events) */ + PHYEV_DEC_ERR = (1U << 24), /* Phy Decoding Error */ PHYEV_UNASSOC_FIS = (1U << 19), /* unassociated FIS rx'd */ PHYEV_AN = (1U << 18), /* SATA async notification */ PHYEV_BIST_ACT = (1U << 17), /* BIST activate FIS */ @@ -260,13 +327,37 @@ enum hw_register_bits { PHYEV_RDY_CH = (1U << 0), /* phy ready changed state */ /* MVS_PCS */ + PCS_EN_SATA_REG_SHIFT = (16), /* Enable SATA Register Set */ + PCS_EN_PORT_XMT_SHIFT = (12), /* Enable Port Transmit */ + PCS_EN_PORT_XMT_SHIFT2 = (8), /* For 6480 */ PCS_SATA_RETRY = (1U << 8), /* retry ctl FIS on R_ERR */ PCS_RSP_RX_EN = (1U << 7), /* raw response rx */ PCS_SELF_CLEAR = (1U << 5), /* self-clearing int mode */ PCS_FIS_RX_EN = (1U << 4), /* FIS rx enable */ PCS_CMD_STOP_ERR = (1U << 3), /* cmd stop-on-err enable */ - PCS_CMD_RST = (1U << 2), /* reset cmd issue */ + PCS_CMD_RST = (1U << 1), /* reset cmd issue */ PCS_CMD_EN = (1U << 0), /* enable cmd issue */ + + /* Port n Attached Device Info */ + PORT_DEV_SSP_TRGT = (1U << 19), + PORT_DEV_SMP_TRGT = (1U << 18), + PORT_DEV_STP_TRGT = (1U << 17), + PORT_DEV_SSP_INIT = (1U << 11), + PORT_DEV_SMP_INIT = (1U << 10), + PORT_DEV_STP_INIT = (1U << 9), + PORT_PHY_ID_MASK = (0xFFU << 24), + PORT_DEV_TRGT_MASK = (0x7U << 17), + PORT_DEV_INIT_MASK = (0x7U << 9), + PORT_DEV_TYPE_MASK = (0x7U << 0), + + /* Port n PHY Status */ + PHY_RDY = (1U << 2), + PHY_DW_SYNC = (1U << 1), + PHY_OOB_DTCTD = (1U << 0), + + /* VSR */ + /* PHYMODE 6 (CDB) */ + PHY_MODE6_DTL_SPEED = (1U << 27), }; enum mvs_info_flags { @@ -329,33 +420,60 @@ enum sas_cmd_port_registers { /* SAS/SATA configuration port registers, aka phy registers */ enum sas_sata_config_port_regs { - PHYR_IDENTIFY = 0x0, /* info for IDENTIFY frame */ - PHYR_ADDR_LO = 0x4, /* my SAS address (low) */ - PHYR_ADDR_HI = 0x8, /* my SAS address (high) */ - PHYR_ATT_DEV_INFO = 0xC, /* attached device info */ + PHYR_IDENTIFY = 0x00, /* info for IDENTIFY frame */ + PHYR_ADDR_LO = 0x04, /* my SAS address (low) */ + PHYR_ADDR_HI = 0x08, /* my SAS address (high) */ + PHYR_ATT_DEV_INFO = 0x0C, /* attached device info */ PHYR_ATT_ADDR_LO = 0x10, /* attached dev SAS addr (low) */ PHYR_ATT_ADDR_HI = 0x14, /* attached dev SAS addr (high) */ PHYR_SATA_CTL = 0x18, /* SATA control */ PHYR_PHY_STAT = 0x1C, /* PHY status */ + PHYR_SATA_SIG0 = 0x20, /*port SATA signature FIS(Byte 0-3) */ + PHYR_SATA_SIG1 = 0x24, /*port SATA signature FIS(Byte 4-7) */ + PHYR_SATA_SIG2 = 0x28, /*port SATA signature FIS(Byte 8-11) */ + PHYR_SATA_SIG3 = 0x2c, /*port SATA signature FIS(Byte 12-15) */ + PHYR_R_ERR_COUNT = 0x30, /* port R_ERR count register */ + PHYR_CRC_ERR_COUNT = 0x34, /* port CRC error count register */ PHYR_WIDE_PORT = 0x38, /* wide port participating */ PHYR_CURRENT0 = 0x80, /* current connection info 0 */ PHYR_CURRENT1 = 0x84, /* current connection info 1 */ PHYR_CURRENT2 = 0x88, /* current connection info 2 */ }; +/* SAS/SATA Vendor Specific Port Registers */ +enum sas_sata_vsp_regs { + VSR_PHY_STAT = 0x00, /* Phy Status */ + VSR_PHY_MODE1 = 0x01, /* phy tx */ + VSR_PHY_MODE2 = 0x02, /* tx scc */ + VSR_PHY_MODE3 = 0x03, /* pll */ + VSR_PHY_MODE4 = 0x04, /* VCO */ + VSR_PHY_MODE5 = 0x05, /* Rx */ + VSR_PHY_MODE6 = 0x06, /* CDR */ + VSR_PHY_MODE7 = 0x07, /* Impedance */ + VSR_PHY_MODE8 = 0x08, /* Voltage */ + VSR_PHY_MODE9 = 0x09, /* Test */ + VSR_PHY_MODE10 = 0x0A, /* Power */ + VSR_PHY_MODE11 = 0x0B, /* Phy Mode */ + VSR_PHY_VS0 = 0x0C, /* Vednor Specific 0 */ + VSR_PHY_VS1 = 0x0D, /* Vednor Specific 1 */ +}; + enum pci_cfg_registers { - PCR_PHY_CTL = 0x40, - PCR_PHY_CTL2 = 0x90, + PCR_PHY_CTL = 0x40, + PCR_PHY_CTL2 = 0x90, + PCR_DEV_CTRL = 0xE8, }; enum pci_cfg_register_bits { - PCTL_PWR_ON = (0xFU << 24), - PCTL_OFF = (0xFU << 12), + PCTL_PWR_ON = (0xFU << 24), + PCTL_OFF = (0xFU << 12), + PRD_REQ_SIZE = (0x4000), + PRD_REQ_MASK = (0x00007000), }; enum nvram_layout_offsets { - NVR_SIG = 0x00, /* 0xAA, 0x55 */ - NVR_SAS_ADDR = 0x02, /* 8-byte SAS address */ + NVR_SIG = 0x00, /* 0xAA, 0x55 */ + NVR_SAS_ADDR = 0x02, /* 8-byte SAS address */ }; enum chip_flavors { @@ -364,10 +482,41 @@ enum chip_flavors { chip_6480, }; +enum port_type { + PORT_TYPE_SAS = (1L << 1), + PORT_TYPE_SATA = (1L << 0), +}; + +/* Command Table Format */ +enum ct_format { + /* SSP */ + SSP_F_H = 0x00, + SSP_F_IU = 0x18, + SSP_F_MAX = 0x4D, + /* STP */ + STP_CMD_FIS = 0x00, + STP_ATAPI_CMD = 0x40, + STP_F_MAX = 0x10, + /* SMP */ + SMP_F_T = 0x00, + SMP_F_DEP = 0x01, + SMP_F_MAX = 0x101, +}; + +enum status_buffer { + SB_EIR_OFF = 0x00, /* Error Information Record */ + SB_RFB_OFF = 0x08, /* Response Frame Buffer */ + SB_RFB_MAX = 0x400, /* RFB size*/ +}; + +enum error_info_rec { + CMD_ISS_STPD = (1U << 31), /* Cmd Issue Stopped */ +}; + struct mvs_chip_info { - unsigned int n_phy; - unsigned int srs_sz; - unsigned int slot_width; + u32 n_phy; + u32 srs_sz; + u32 slot_width; }; struct mvs_err_info { @@ -395,26 +544,43 @@ struct mvs_cmd_hdr { struct mvs_slot_info { struct sas_task *task; - unsigned int n_elem; + u32 n_elem; + u32 tx; /* DMA buffer for storing cmd tbl, open addr frame, status buffer, * and PRD table */ void *buf; dma_addr_t buf_dma; +#if _MV_DUMP + u32 cmd_size; +#endif void *response; }; struct mvs_port { struct asd_sas_port sas_port; + u8 port_attached; + u8 taskfileset; + u8 wide_port_phymap; }; struct mvs_phy { struct mvs_port *port; struct asd_sas_phy sas_phy; - - u8 frame_rcvd[24 + 1024]; + struct sas_identify identify; + struct scsi_device *sdev; + u64 dev_sas_addr; + u64 att_dev_sas_addr; + u32 att_dev_info; + u32 dev_info; + u32 phy_type; + u32 phy_status; + u32 irq_status; + u32 frame_rcvd_size; + u8 frame_rcvd[32]; + u8 phy_attached; }; struct mvs_info { @@ -440,24 +606,62 @@ struct mvs_info { __le32 *rx_fis; /* RX'd FIS area */ dma_addr_t rx_fis_dma; - struct mvs_cmd_hdr *slot; /* DMA command header slots */ + struct mvs_cmd_hdr *slot; /* DMA command header slots */ dma_addr_t slot_dma; const struct mvs_chip_info *chip; - /* further per-slot information */ + unsigned long tags[MVS_SLOTS]; struct mvs_slot_info slot_info[MVS_SLOTS]; - unsigned long tags[(MVS_SLOTS / sizeof(unsigned long)) + 1]; - + /* further per-slot information */ struct mvs_phy phy[MVS_MAX_PHYS]; struct mvs_port port[MVS_MAX_PHYS]; + + u32 can_queue; /* per adapter */ + u32 tag_out; /*Get*/ + u32 tag_in; /*Give*/ }; +struct mvs_queue_task { + struct list_head list; + + void *uldd_task; +}; + +static int mvs_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func, + void *funcdata); +static u32 mvs_read_phy_ctl(struct mvs_info *mvi, u32 port); +static void mvs_write_phy_ctl(struct mvs_info *mvi, u32 port, u32 val); +static u32 mvs_read_port(struct mvs_info *mvi, u32 off, u32 off2, u32 port); +static void mvs_write_port(struct mvs_info *mvi, u32 off, u32 off2, + u32 port, u32 val); +static u32 mvs_read_port_cfg_data(struct mvs_info *mvi, u32 port); +static void mvs_write_port_cfg_data(struct mvs_info *mvi, u32 port, u32 val); +static void mvs_write_port_cfg_addr(struct mvs_info *mvi, u32 port, u32 addr); +static u32 mvs_read_port_vsr_data(struct mvs_info *mvi, u32 port); +static void mvs_write_port_vsr_data(struct mvs_info *mvi, u32 port, u32 val); +static void mvs_write_port_vsr_addr(struct mvs_info *mvi, u32 port, u32 addr); +static u32 mvs_read_port_irq_stat(struct mvs_info *mvi, u32 port); +static void mvs_write_port_irq_stat(struct mvs_info *mvi, u32 port, u32 val); +static void mvs_write_port_irq_mask(struct mvs_info *mvi, u32 port, u32 val); +static u32 mvs_read_port_irq_mask(struct mvs_info *mvi, u32 port); + +static u32 mvs_is_phy_ready(struct mvs_info *mvi, int i); +static void mvs_detect_porttype(struct mvs_info *mvi, int i); +static void mvs_update_phyinfo(struct mvs_info *mvi, int i, int get_st); +static void mvs_free_reg_set(struct mvs_info *mvi, struct mvs_port *port); +static u8 mvs_assign_reg_set(struct mvs_info *mvi, struct mvs_port *port); +static u32 mvs_is_sig_fis_received(u32 irq_status); + +static int mvs_scan_finished(struct Scsi_Host *, unsigned long); +static void mvs_scan_start(struct Scsi_Host *); +static int mvs_sas_slave_alloc(struct scsi_device *scsi_dev); + static struct scsi_transport_template *mvs_stt; static const struct mvs_chip_info mvs_chips[] = { - [chip_6320] = { 2, 16, 9 }, - [chip_6440] = { 4, 16, 9 }, + [chip_6320] = { 2, 16, 9 }, + [chip_6440] = { 4, 16, 9 }, [chip_6480] = { 8, 32, 10 }, }; @@ -468,6 +672,8 @@ static struct scsi_host_template mvs_sht = { .target_alloc = sas_target_alloc, .slave_configure = sas_slave_configure, .slave_destroy = sas_slave_destroy, + .scan_finished = mvs_scan_finished, + .scan_start = mvs_scan_start, .change_queue_depth = sas_change_queue_depth, .change_queue_type = sas_change_queue_type, .bios_param = sas_bios_param, @@ -477,14 +683,154 @@ static struct scsi_host_template mvs_sht = { .sg_tablesize = SG_ALL, .max_sectors = SCSI_DEFAULT_MAX_SECTORS, .use_clustering = ENABLE_CLUSTERING, - .eh_device_reset_handler= sas_eh_device_reset_handler, + .eh_device_reset_handler = sas_eh_device_reset_handler, .eh_bus_reset_handler = sas_eh_bus_reset_handler, - .slave_alloc = sas_slave_alloc, + .slave_alloc = mvs_sas_slave_alloc, .target_destroy = sas_target_destroy, .ioctl = sas_ioctl, }; -static void mvs_int_rx(struct mvs_info *mvi, bool self_clear); +static void mvs_hexdump(u32 size, u8 *data, u32 baseaddr) +{ + u32 i; + u32 run; + u32 offset; + + offset = 0; + while (size) { + printk("%08X : ", baseaddr + offset); + if (size >= 16) + run = 16; + else + run = size; + size -= run; + for (i = 0; i < 16; i++) { + if (i < run) + printk("%02X ", (u32)data[i]); + else + printk(" "); + } + printk(": "); + for (i = 0; i < run; i++) + printk("%c", isalnum(data[i]) ? data[i] : '.'); + printk("\n"); + data = &data[16]; + offset += run; + } + printk("\n"); +} + +static void mvs_hba_sb_dump(struct mvs_info *mvi, u32 tag, + enum sas_protocol proto) +{ +#if _MV_DUMP + u32 offset; + struct pci_dev *pdev = mvi->pdev; + struct mvs_slot_info *slot = &mvi->slot_info[tag]; + + offset = slot->cmd_size + MVS_OAF_SZ + + sizeof(struct mvs_prd) * slot->n_elem; + dev_printk(KERN_DEBUG, &pdev->dev, "+---->Status buffer[%d] :\n", + tag); + mvs_hexdump(32, (u8 *) slot->response, + (u32) slot->buf_dma + offset); +#endif +} + +static void mvs_hba_memory_dump(struct mvs_info *mvi, u32 tag, + enum sas_protocol proto) +{ +#if _MV_DUMP + u32 sz, w_ptr, r_ptr; + u64 addr; + void __iomem *regs = mvi->regs; + struct pci_dev *pdev = mvi->pdev; + struct mvs_slot_info *slot = &mvi->slot_info[tag]; + + /*Delivery Queue */ + sz = mr32(TX_CFG) & TX_RING_SZ_MASK; + w_ptr = mr32(TX_PROD_IDX) & TX_RING_SZ_MASK; + r_ptr = mr32(TX_CONS_IDX) & TX_RING_SZ_MASK; + addr = mr32(TX_HI) << 16 << 16 | mr32(TX_LO); + dev_printk(KERN_DEBUG, &pdev->dev, + "Delivery Queue Size=%04d , WRT_PTR=%04X , RD_PTR=%04X\n", + sz, w_ptr, r_ptr); + dev_printk(KERN_DEBUG, &pdev->dev, + "Delivery Queue Base Address=0x%llX (PA)" + "(tx_dma=0x%llX), Entry=%04d\n", + addr, mvi->tx_dma, w_ptr); + mvs_hexdump(sizeof(u32), (u8 *)(&mvi->tx[mvi->tx_prod]), + (u32) mvi->tx_dma + sizeof(u32) * w_ptr); + /*Command List */ + addr = mr32(CMD_LIST_HI) << 16 << 16 | mr32(CMD_LIST_LO); + dev_printk(KERN_DEBUG, &pdev->dev, + "Command List Base Address=0x%llX (PA)" + "(slot_dma=0x%llX), Header=%03d\n", + addr, mvi->slot_dma, tag); + dev_printk(KERN_DEBUG, &pdev->dev, "Command Header[%03d]:\n", tag); + /*mvs_cmd_hdr */ + mvs_hexdump(sizeof(struct mvs_cmd_hdr), (u8 *)(&mvi->slot[tag]), + (u32) mvi->slot_dma + tag * sizeof(struct mvs_cmd_hdr)); + /*1.command table area */ + dev_printk(KERN_DEBUG, &pdev->dev, "+---->Command Table :\n"); + mvs_hexdump(slot->cmd_size, (u8 *) slot->buf, (u32) slot->buf_dma); + /*2.open address frame area */ + dev_printk(KERN_DEBUG, &pdev->dev, "+---->Open Address Frame :\n"); + mvs_hexdump(MVS_OAF_SZ, (u8 *) slot->buf + slot->cmd_size, + (u32) slot->buf_dma + slot->cmd_size); + /*3.status buffer */ + mvs_hba_sb_dump(mvi, tag, proto); + /*4.PRD table */ + dev_printk(KERN_DEBUG, &pdev->dev, "+---->PRD table :\n"); + mvs_hexdump(sizeof(struct mvs_prd) * slot->n_elem, + (u8 *) slot->buf + slot->cmd_size + MVS_OAF_SZ, + (u32) slot->buf_dma + slot->cmd_size + MVS_OAF_SZ); +#endif +} + +static void mvs_hba_cq_dump(struct mvs_info *mvi) +{ +#if _MV_DUMP + u64 addr; + void __iomem *regs = mvi->regs; + struct pci_dev *pdev = mvi->pdev; + u32 entry = mvi->rx_cons + 1; + u32 rx_desc = le32_to_cpu(mvi->rx[entry]); + + /*Completion Queue */ + addr = mr32(RX_HI) << 16 << 16 | mr32(RX_LO); + dev_printk(KERN_DEBUG, &pdev->dev, "Completion Task = 0x%08X\n", + (u32) mvi->slot_info[rx_desc & RXQ_SLOT_MASK].task); + dev_printk(KERN_DEBUG, &pdev->dev, + "Completion List Base Address=0x%llX (PA), " + "CQ_Entry=%04d, CQ_WP=0x%08X\n", + addr, entry - 1, mvi->rx[0]); + mvs_hexdump(sizeof(u32), (u8 *)(&rx_desc), + mvi->rx_dma + sizeof(u32) * entry); +#endif +} + +static void mvs_hba_interrupt_enable(struct mvs_info *mvi) +{ + void __iomem *regs = mvi->regs; + u32 tmp; + + tmp = mr32(GBL_CTL); + + mw32(GBL_CTL, tmp | INT_EN); +} + +static void mvs_hba_interrupt_disable(struct mvs_info *mvi) +{ + void __iomem *regs = mvi->regs; + u32 tmp; + + tmp = mr32(GBL_CTL); + + mw32(GBL_CTL, tmp & ~INT_EN); +} + +static int mvs_int_rx(struct mvs_info *mvi, bool self_clear); /* move to PCI layer or libata core? */ static int pci_go_64(struct pci_dev *pdev) @@ -519,39 +865,38 @@ static int pci_go_64(struct pci_dev *pdev) return rc; } -static void mvs_tag_clear(struct mvs_info *mvi, unsigned int tag) +static void mvs_tag_clear(struct mvs_info *mvi, u32 tag) { - mvi->tags[tag / sizeof(unsigned long)] &= - ~(1UL << (tag % sizeof(unsigned long))); + mvi->tag_in = (mvi->tag_in + 1) & (MVS_SLOTS - 1); + mvi->tags[mvi->tag_in] = tag; } -static void mvs_tag_set(struct mvs_info *mvi, unsigned int tag) +static void mvs_tag_free(struct mvs_info *mvi, u32 tag) { - mvi->tags[tag / sizeof(unsigned long)] |= - (1UL << (tag % sizeof(unsigned long))); + mvi->tag_out = (mvi->tag_out - 1) & (MVS_SLOTS - 1); } -static bool mvs_tag_test(struct mvs_info *mvi, unsigned int tag) +static int mvs_tag_alloc(struct mvs_info *mvi, u32 *tag_out) { - return mvi->tags[tag / sizeof(unsigned long)] & - (1UL << (tag % sizeof(unsigned long))); + if (mvi->tag_out != mvi->tag_in) { + *tag_out = mvi->tags[mvi->tag_out]; + mvi->tag_out = (mvi->tag_out + 1) & (MVS_SLOTS - 1); + return 0; + } + return -EBUSY; } -static int mvs_tag_alloc(struct mvs_info *mvi, unsigned int *tag_out) +static void mvs_tag_init(struct mvs_info *mvi) { - unsigned int i; - - for (i = 0; i < MVS_SLOTS; i++) - if (!mvs_tag_test(mvi, i)) { - mvs_tag_set(mvi, i); - *tag_out = i; - return 0; - } - - return -EBUSY; + int i; + for (i = 0; i < MVS_SLOTS; ++i) + mvi->tags[i] = i; + mvi->tag_out = 0; + mvi->tag_in = MVS_SLOTS - 1; } -static int mvs_eep_read(void __iomem *regs, unsigned int addr, u32 *data) +#ifndef MVS_DISABLE_NVRAM +static int mvs_eep_read(void __iomem *regs, u32 addr, u32 *data) { int timeout = 1000; @@ -573,10 +918,10 @@ static int mvs_eep_read(void __iomem *regs, unsigned int addr, u32 *data) return -EBUSY; } -static int mvs_eep_read_buf(void __iomem *regs, unsigned int addr, - void *buf, unsigned int buflen) +static int mvs_eep_read_buf(void __iomem *regs, u32 addr, + void *buf, u32 buflen) { - unsigned int addr_end, tmp_addr, i, j; + u32 addr_end, tmp_addr, i, j; u32 tmp = 0; int rc; u8 *tmp8, *buf8 = buf; @@ -592,7 +937,7 @@ static int mvs_eep_read_buf(void __iomem *regs, unsigned int addr, if (rc) return rc; - tmp8 = (u8 *) &tmp; + tmp8 = (u8 *)&tmp; for (i = j; i < 4; i++) *buf8++ = tmp8[i]; @@ -613,7 +958,7 @@ static int mvs_eep_read_buf(void __iomem *regs, unsigned int addr, if (rc) return rc; - tmp8 = (u8 *) &tmp; + tmp8 = (u8 *)&tmp; j = addr_end - tmp_addr; for (i = 0; i < j; i++) *buf8++ = tmp8[i]; @@ -623,13 +968,15 @@ static int mvs_eep_read_buf(void __iomem *regs, unsigned int addr, return 0; } +#endif -static int mvs_nvram_read(struct mvs_info *mvi, unsigned int addr, - void *buf, unsigned int buflen) +static int mvs_nvram_read(struct mvs_info *mvi, u32 addr, + void *buf, u32 buflen) { +#ifndef MVS_DISABLE_NVRAM void __iomem *regs = mvi->regs; int rc, i; - unsigned int sum; + u32 sum; u8 hdr[2], *tmp; const char *msg; @@ -644,16 +991,17 @@ static int mvs_nvram_read(struct mvs_info *mvi, unsigned int addr, goto err_out; } - if (hdr[0] != 0x5A) { /* entry id */ + if (hdr[0] != 0x5A) { + /* entry id */ msg = "invalid nvram entry id"; rc = -ENOENT; goto err_out; } tmp = buf; - sum = ((unsigned int)hdr[0]) + ((unsigned int)hdr[1]); + sum = ((u32)hdr[0]) + ((u32)hdr[1]); for (i = 0; i < buflen; i++) - sum += ((unsigned int)tmp[i]); + sum += ((u32)tmp[i]); if (sum) { msg = "nvram checksum failure"; @@ -665,12 +1013,123 @@ static int mvs_nvram_read(struct mvs_info *mvi, unsigned int addr, err_out: dev_printk(KERN_ERR, &mvi->pdev->dev, "%s", msg); + return rc; +#else + /* FIXME , For SAS target mode */ + memcpy(buf, "\x00\x00\xab\x11\x30\x04\x05\x50", 8); + return 0; +#endif +} + +static void mvs_bytes_dmaed(struct mvs_info *mvi, int i) +{ + struct mvs_phy *phy = &mvi->phy[i]; + + if (!phy->phy_attached) + return; + + if (phy->phy_type & PORT_TYPE_SAS) { + struct sas_identify_frame *id; + + id = (struct sas_identify_frame *)phy->frame_rcvd; + id->dev_type = phy->identify.device_type; + id->initiator_bits = SAS_PROTOCOL_ALL; + id->target_bits = phy->identify.target_port_protocols; + } else if (phy->phy_type & PORT_TYPE_SATA) { + /* TODO */ + } + mvi->sas.sas_phy[i]->frame_rcvd_size = phy->frame_rcvd_size; + mvi->sas.notify_port_event(mvi->sas.sas_phy[i], + PORTE_BYTES_DMAED); +} + +static int mvs_scan_finished(struct Scsi_Host *shost, unsigned long time) +{ + /* give the phy enabling interrupt event time to come in (1s + * is empirically about all it takes) */ + if (time < HZ) + return 0; + /* Wait for discovery to finish */ + scsi_flush_work(shost); + return 1; +} + +static void mvs_scan_start(struct Scsi_Host *shost) +{ + int i; + struct mvs_info *mvi = SHOST_TO_SAS_HA(shost)->lldd_ha; + + for (i = 0; i < mvi->chip->n_phy; ++i) { + mvs_bytes_dmaed(mvi, i); + } +} + +static int mvs_sas_slave_alloc(struct scsi_device *scsi_dev) +{ + int rc; + + rc = sas_slave_alloc(scsi_dev); + return rc; } static void mvs_int_port(struct mvs_info *mvi, int port_no, u32 events) { - /* FIXME */ + struct pci_dev *pdev = mvi->pdev; + struct sas_ha_struct *sas_ha = &mvi->sas; + struct mvs_phy *phy = &mvi->phy[port_no]; + struct asd_sas_phy *sas_phy = &phy->sas_phy; + + phy->irq_status = mvs_read_port_irq_stat(mvi, port_no); + /* + * events is port event now , + * we need check the interrupt status which belongs to per port. + */ + dev_printk(KERN_DEBUG, &pdev->dev, + "Port %d Event = %X\n", + port_no, phy->irq_status); + + if (phy->irq_status & (PHYEV_POOF | PHYEV_DEC_ERR)) { + if (!mvs_is_phy_ready(mvi, port_no)) { + sas_phy_disconnected(sas_phy); + sas_ha->notify_phy_event(sas_phy, PHYE_LOSS_OF_SIGNAL); + } else + mvs_phy_control(sas_phy, PHY_FUNC_LINK_RESET, NULL); + } + if (!(phy->irq_status & PHYEV_DEC_ERR)) { + if (phy->irq_status & PHYEV_COMWAKE) { + u32 tmp = mvs_read_port_irq_mask(mvi, port_no); + mvs_write_port_irq_mask(mvi, port_no, + tmp | PHYEV_SIG_FIS); + } + if (phy->irq_status & (PHYEV_SIG_FIS | PHYEV_ID_DONE)) { + phy->phy_status = mvs_is_phy_ready(mvi, port_no); + if (phy->phy_status) { + mvs_detect_porttype(mvi, port_no); + + if (phy->phy_type & PORT_TYPE_SATA) { + u32 tmp = mvs_read_port_irq_mask(mvi, + port_no); + tmp &= ~PHYEV_SIG_FIS; + mvs_write_port_irq_mask(mvi, + port_no, tmp); + } + + mvs_update_phyinfo(mvi, port_no, 0); + sas_ha->notify_phy_event(sas_phy, + PHYE_OOB_DONE); + mvs_bytes_dmaed(mvi, port_no); + } else { + dev_printk(KERN_DEBUG, &pdev->dev, + "plugin interrupt but phy is gone\n"); + mvs_phy_control(sas_phy, PHY_FUNC_LINK_RESET, + NULL); + } + } else if (phy->irq_status & PHYEV_BROAD_CH) + sas_ha->notify_port_event(sas_phy, + PORTE_BROADCAST_RCVD); + } + mvs_write_port_irq_stat(mvi, port_no, phy->irq_status); } static void mvs_int_sata(struct mvs_info *mvi) @@ -679,11 +1138,12 @@ static void mvs_int_sata(struct mvs_info *mvi) } static void mvs_slot_free(struct mvs_info *mvi, struct sas_task *task, - struct mvs_slot_info *slot, unsigned int slot_idx) + struct mvs_slot_info *slot, u32 slot_idx) { - if (slot->n_elem) - pci_unmap_sg(mvi->pdev, task->scatter, - slot->n_elem, task->data_dir); + if (!sas_protocol_ata(task->task_proto)) + if (slot->n_elem) + pci_unmap_sg(mvi->pdev, task->scatter, + slot->n_elem, task->data_dir); switch (task->task_proto) { case SAS_PROTOCOL_SMP: @@ -701,40 +1161,60 @@ static void mvs_slot_free(struct mvs_info *mvi, struct sas_task *task, break; } + slot->task = NULL; mvs_tag_clear(mvi, slot_idx); } static void mvs_slot_err(struct mvs_info *mvi, struct sas_task *task, - unsigned int slot_idx) + u32 slot_idx) { - /* FIXME */ + struct mvs_slot_info *slot = &mvi->slot_info[slot_idx]; + u64 err_dw0 = *(u32 *) slot->response; + void __iomem *regs = mvi->regs; + u32 tmp; + + if (err_dw0 & CMD_ISS_STPD) + if (sas_protocol_ata(task->task_proto)) { + tmp = mr32(INT_STAT_SRS); + mw32(INT_STAT_SRS, tmp & 0xFFFF); + } + + mvs_hba_sb_dump(mvi, slot_idx, task->task_proto); } -static void mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc) +static int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc) { - unsigned int slot_idx = rx_desc & RXQ_SLOT_MASK; + u32 slot_idx = rx_desc & RXQ_SLOT_MASK; struct mvs_slot_info *slot = &mvi->slot_info[slot_idx]; struct sas_task *task = slot->task; struct task_status_struct *tstat = &task->task_status; + struct mvs_port *port = &mvi->port[task->dev->port->id]; bool aborted; + void *to; spin_lock(&task->task_state_lock); aborted = task->task_state_flags & SAS_TASK_STATE_ABORTED; if (!aborted) { task->task_state_flags &= - ~(SAS_TASK_STATE_PENDING | SAS_TASK_AT_INITIATOR); + ~(SAS_TASK_STATE_PENDING | SAS_TASK_AT_INITIATOR); task->task_state_flags |= SAS_TASK_STATE_DONE; } spin_unlock(&task->task_state_lock); if (aborted) - return; + return -1; memset(tstat, 0, sizeof(*tstat)); tstat->resp = SAS_TASK_COMPLETE; + + if (unlikely(!port->port_attached)) { + tstat->stat = SAS_PHY_DOWN; + goto out; + } + /* error info record present */ - if (rx_desc & RXQ_ERR) { + if ((rx_desc & RXQ_ERR) && (*(u64 *) slot->response)) { tstat->stat = SAM_CHECK_COND; mvs_slot_err(mvi, task, slot_idx); goto out; @@ -743,13 +1223,14 @@ static void mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc) switch (task->task_proto) { case SAS_PROTOCOL_SSP: /* hw says status == 0, datapres == 0 */ - if (rx_desc & RXQ_GOOD) + if (rx_desc & RXQ_GOOD) { tstat->stat = SAM_GOOD; - + tstat->resp = SAS_TASK_COMPLETE; + } /* response frame present */ else if (rx_desc & RXQ_RSP) { struct ssp_response_iu *iu = - slot->response + sizeof(struct mvs_err_info); + slot->response + sizeof(struct mvs_err_info); sas_ssp_task_response(&mvi->pdev->dev, task, iu); } @@ -758,20 +1239,37 @@ static void mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc) tstat->stat = SAM_CHECK_COND; break; - case SAS_PROTOCOL_SMP: - tstat->stat = SAM_GOOD; - break; + case SAS_PROTOCOL_SMP: { + struct scatterlist *sg_resp = &task->smp_task.smp_resp; + tstat->stat = SAM_GOOD; + to = kmap_atomic(sg_page(sg_resp), KM_IRQ0); + memcpy(to + sg_resp->offset, + slot->response + sizeof(struct mvs_err_info), + sg_dma_len(sg_resp)); + kunmap_atomic(to, KM_IRQ0); + break; + } case SAS_PROTOCOL_SATA: case SAS_PROTOCOL_STP: - if ((rx_desc & (RXQ_DONE | RXQ_ERR | RXQ_ATTN)) == RXQ_DONE) - tstat->stat = SAM_GOOD; - else - tstat->stat = SAM_CHECK_COND; - /* FIXME: read taskfile data from SATA register set - * associated with SATA target - */ - break; + case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP: { + struct ata_task_resp *resp = + (struct ata_task_resp *)tstat->buf; + + if ((rx_desc & (RXQ_DONE | RXQ_ERR | RXQ_ATTN)) == + RXQ_DONE) + tstat->stat = SAM_GOOD; + else + tstat->stat = SAM_CHECK_COND; + + resp->frame_len = sizeof(struct dev_to_host_fis); + memcpy(&resp->ending_fis[0], + SATA_RECEIVED_D2H_FIS(port->taskfileset), + sizeof(struct dev_to_host_fis)); + if (resp->ending_fis[2] & ATA_ERR) + mvs_hexdump(16, resp->ending_fis, 0); + break; + } default: tstat->stat = SAM_CHECK_COND; @@ -781,6 +1279,7 @@ static void mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc) out: mvs_slot_free(mvi, task, slot, slot_idx); task->task_done(task); + return tstat->stat; } static void mvs_int_full(struct mvs_info *mvi) @@ -791,6 +1290,8 @@ static void mvs_int_full(struct mvs_info *mvi) stat = mr32(INT_STAT); + mvs_int_rx(mvi, false); + for (i = 0; i < MVS_MAX_PORTS; i++) { tmp = (stat >> i) & (CINT_PORT | CINT_PORT_STOPPED); if (tmp) @@ -800,48 +1301,62 @@ static void mvs_int_full(struct mvs_info *mvi) if (stat & CINT_SRS) mvs_int_sata(mvi); - if (stat & (CINT_CI_STOP | CINT_DONE)) - mvs_int_rx(mvi, false); - mw32(INT_STAT, stat); } -static void mvs_int_rx(struct mvs_info *mvi, bool self_clear) +static int mvs_int_rx(struct mvs_info *mvi, bool self_clear) { + void __iomem *regs = mvi->regs; u32 rx_prod_idx, rx_desc; bool attn = false; + struct pci_dev *pdev = mvi->pdev; /* the first dword in the RX ring is special: it contains * a mirror of the hardware's RX producer index, so that * we don't have to stall the CPU reading that register. * The actual RX ring is offset by one dword, due to this. */ - rx_prod_idx = le32_to_cpu(mvi->rx[0]) & 0xfff; + rx_prod_idx = mr32(RX_CONS_IDX) & RX_RING_SZ_MASK; if (rx_prod_idx == 0xfff) { /* h/w hasn't touched RX ring yet */ mvi->rx_cons = 0xfff; - return; + return 0; } + + /* The CMPL_Q may come late, read from register and try again + * note: if coalescing is enabled, + * it will need to read from register every time for sure + */ + if (mvi->rx_cons == rx_prod_idx) + return 0; + if (mvi->rx_cons == 0xfff) mvi->rx_cons = MVS_RX_RING_SZ - 1; while (mvi->rx_cons != rx_prod_idx) { + /* increment our internal RX consumer pointer */ mvi->rx_cons = (mvi->rx_cons + 1) & (MVS_RX_RING_SZ - 1); - /* Read RX descriptor at offset+1, due to above */ rx_desc = le32_to_cpu(mvi->rx[mvi->rx_cons + 1]); - if (rx_desc & RXQ_DONE) - /* we had a completion, error or no */ - mvs_slot_complete(mvi, rx_desc); + mvs_hba_cq_dump(mvi); - if (rx_desc & RXQ_ATTN) + if (unlikely(rx_desc & RXQ_DONE)) + mvs_slot_complete(mvi, rx_desc); + if (rx_desc & RXQ_ATTN) { attn = true; + dev_printk(KERN_DEBUG, &pdev->dev, "ATTN %X\n", + rx_desc); + } else if (rx_desc & RXQ_ERR) { + dev_printk(KERN_DEBUG, &pdev->dev, "RXQ_ERR %X\n", + rx_desc); + } } if (attn && self_clear) mvs_int_full(mvi); + return 0; } static irqreturn_t mvs_interrupt(int irq, void *opaque) @@ -851,6 +1366,10 @@ static irqreturn_t mvs_interrupt(int irq, void *opaque) u32 stat; stat = mr32(GBL_INT_STAT); + + /* clear CMD_CMPLT ASAP */ + mw32_f(INT_STAT, CINT_DONE); + if (stat == 0 || stat == 0xffffffff) return IRQ_NONE; @@ -863,6 +1382,7 @@ static irqreturn_t mvs_interrupt(int irq, void *opaque) return IRQ_HANDLED; } +#ifndef MVS_DISABLE_MSI static irqreturn_t mvs_msi_interrupt(int irq, void *opaque) { struct mvs_info *mvi = opaque; @@ -875,32 +1395,46 @@ static irqreturn_t mvs_msi_interrupt(int irq, void *opaque) return IRQ_HANDLED; } +#endif struct mvs_task_exec_info { - struct sas_task *task; - struct mvs_cmd_hdr *hdr; - unsigned int tag; - int n_elem; + struct sas_task *task; + struct mvs_cmd_hdr *hdr; + struct mvs_port *port; + u32 tag; + int n_elem; }; -static int mvs_task_prep_smp(struct mvs_info *mvi, struct mvs_task_exec_info *tei) +static int mvs_task_prep_smp(struct mvs_info *mvi, + struct mvs_task_exec_info *tei) { - int elem, rc; + int elem, rc, i; + struct sas_task *task = tei->task; struct mvs_cmd_hdr *hdr = tei->hdr; struct scatterlist *sg_req, *sg_resp; - unsigned int req_len, resp_len, tag = tei->tag; - + u32 req_len, resp_len, tag = tei->tag; + void *buf_tmp; + u8 *buf_oaf; + dma_addr_t buf_tmp_dma; + struct mvs_prd *buf_prd; + struct scatterlist *sg; + struct mvs_slot_info *slot = &mvi->slot_info[tag]; + struct asd_sas_port *sas_port = task->dev->port; + u32 flags = (tei->n_elem << MCH_PRD_LEN_SHIFT); +#if _MV_DUMP + u8 *buf_cmd; + void *from; +#endif /* * DMA-map SMP request, response buffers */ - - sg_req = &tei->task->smp_task.smp_req; + sg_req = &task->smp_task.smp_req; elem = pci_map_sg(mvi->pdev, sg_req, 1, PCI_DMA_TODEVICE); if (!elem) return -ENOMEM; req_len = sg_dma_len(sg_req); - sg_resp = &tei->task->smp_task.smp_resp; + sg_resp = &task->smp_task.smp_resp; elem = pci_map_sg(mvi->pdev, sg_resp, 1, PCI_DMA_FROMDEVICE); if (!elem) { rc = -ENOMEM; @@ -915,21 +1449,77 @@ static int mvs_task_prep_smp(struct mvs_info *mvi, struct mvs_task_exec_info *te } /* - * Fill in TX ring and command slot header + * arrange MVS_SLOT_BUF_SZ-sized DMA buffer according to our needs */ - mvi->tx[tag] = cpu_to_le32( - (TXQ_CMD_SMP << TXQ_CMD_SHIFT) | TXQ_MODE_I | tag); + /* region 1: command table area (MVS_SSP_CMD_SZ bytes) ************** */ + buf_tmp = slot->buf; + buf_tmp_dma = slot->buf_dma; - hdr->flags = 0; - hdr->lens = cpu_to_le32(((resp_len / 4) << 16) | (req_len / 4)); +#if _MV_DUMP + buf_cmd = buf_tmp; + hdr->cmd_tbl = cpu_to_le64(buf_tmp_dma); + buf_tmp += req_len; + buf_tmp_dma += req_len; + slot->cmd_size = req_len; +#else + hdr->cmd_tbl = cpu_to_le64(sg_dma_address(sg_req)); +#endif + + /* region 2: open address frame area (MVS_OAF_SZ bytes) ********* */ + buf_oaf = buf_tmp; + hdr->open_frame = cpu_to_le64(buf_tmp_dma); + + buf_tmp += MVS_OAF_SZ; + buf_tmp_dma += MVS_OAF_SZ; + + /* region 3: PRD table ********************************************* */ + buf_prd = buf_tmp; + if (tei->n_elem) + hdr->prd_tbl = cpu_to_le64(buf_tmp_dma); + else + hdr->prd_tbl = 0; + + i = sizeof(struct mvs_prd) * tei->n_elem; + buf_tmp += i; + buf_tmp_dma += i; + + /* region 4: status buffer (larger the PRD, smaller this buf) ****** */ + slot->response = buf_tmp; + hdr->status_buf = cpu_to_le64(buf_tmp_dma); + + /* + * Fill in TX ring and command slot header + */ + slot->tx = mvi->tx_prod; + mvi->tx[mvi->tx_prod] = cpu_to_le32((TXQ_CMD_SMP << TXQ_CMD_SHIFT) | + TXQ_MODE_I | tag | + (sas_port->phy_mask << TXQ_PHY_SHIFT)); + + hdr->flags |= flags; + hdr->lens = cpu_to_le32(((resp_len / 4) << 16) | ((req_len - 4) / 4)); hdr->tags = cpu_to_le32(tag); hdr->data_len = 0; - hdr->cmd_tbl = cpu_to_le64(sg_dma_address(sg_req)); - hdr->open_frame = 0; - hdr->status_buf = cpu_to_le64(sg_dma_address(sg_resp)); - hdr->prd_tbl = 0; + /* generate open address frame hdr (first 12 bytes) */ + buf_oaf[0] = (1 << 7) | (0 << 4) | 0x01; /* initiator, SMP, ftype 1h */ + buf_oaf[1] = task->dev->linkrate & 0xf; + *(u16 *)(buf_oaf + 2) = 0xFFFF; /* SAS SPEC */ + memcpy(buf_oaf + 4, task->dev->sas_addr, SAS_ADDR_SIZE); + + /* fill in PRD (scatter/gather) table, if any */ + for_each_sg(task->scatter, sg, tei->n_elem, i) { + buf_prd->addr = cpu_to_le64(sg_dma_address(sg)); + buf_prd->len = cpu_to_le32(sg_dma_len(sg)); + buf_prd++; + } + +#if _MV_DUMP + /* copy cmd table */ + from = kmap_atomic(sg_page(sg_req), KM_IRQ0); + memcpy(buf_cmd, from + sg_req->offset, req_len); + kunmap_atomic(from, KM_IRQ0); +#endif return 0; err_out_2: @@ -941,6 +1531,73 @@ err_out: return rc; } +static void mvs_free_reg_set(struct mvs_info *mvi, struct mvs_port *port) +{ + void __iomem *regs = mvi->regs; + u32 tmp, offs; + u8 *tfs = &port->taskfileset; + + if (*tfs == MVS_ID_NOT_MAPPED) + return; + + offs = 1U << ((*tfs & 0x0f) + PCS_EN_SATA_REG_SHIFT); + if (*tfs < 16) { + tmp = mr32(PCS); + mw32(PCS, tmp & ~offs); + } else { + tmp = mr32(CTL); + mw32(CTL, tmp & ~offs); + } + + tmp = mr32(INT_STAT_SRS) & (1U << *tfs); + if (tmp) + mw32(INT_STAT_SRS, tmp); + + *tfs = MVS_ID_NOT_MAPPED; +} + +static u8 mvs_assign_reg_set(struct mvs_info *mvi, struct mvs_port *port) +{ + int i; + u32 tmp, offs; + void __iomem *regs = mvi->regs; + + if (port->taskfileset != MVS_ID_NOT_MAPPED) + return 0; + + tmp = mr32(PCS); + + for (i = 0; i < mvi->chip->srs_sz; i++) { + if (i == 16) + tmp = mr32(CTL); + offs = 1U << ((i & 0x0f) + PCS_EN_SATA_REG_SHIFT); + if (!(tmp & offs)) { + port->taskfileset = i; + + if (i < 16) + mw32(PCS, tmp | offs); + else + mw32(CTL, tmp | offs); + tmp = mr32(INT_STAT_SRS) & (1U << i); + if (tmp) + mw32(INT_STAT_SRS, tmp); + return 0; + } + } + return MVS_ID_NOT_MAPPED; +} + +static u32 mvs_get_ncq_tag(struct sas_task *task) +{ + u32 tag = 0; + struct ata_queued_cmd *qc = task->uldd_task; + + if (qc) + tag = qc->tag; + + return tag; +} + static int mvs_task_prep_ata(struct mvs_info *mvi, struct mvs_task_exec_info *tei) { @@ -948,47 +1605,65 @@ static int mvs_task_prep_ata(struct mvs_info *mvi, struct domain_device *dev = task->dev; struct mvs_cmd_hdr *hdr = tei->hdr; struct asd_sas_port *sas_port = dev->port; - unsigned int tag = tei->tag; - struct mvs_slot_info *slot = &mvi->slot_info[tag]; - u32 flags = (tei->n_elem << MCH_PRD_LEN_SHIFT); + struct mvs_slot_info *slot; struct scatterlist *sg; struct mvs_prd *buf_prd; + struct mvs_port *port = tei->port; + u32 tag = tei->tag; + u32 flags = (tei->n_elem << MCH_PRD_LEN_SHIFT); void *buf_tmp; u8 *buf_cmd, *buf_oaf; dma_addr_t buf_tmp_dma; - unsigned int i, req_len, resp_len; + u32 i, req_len, resp_len; + const u32 max_resp_len = SB_RFB_MAX; + + if (mvs_assign_reg_set(mvi, port) == MVS_ID_NOT_MAPPED) + return -EBUSY; - /* FIXME: fill in SATA register set */ - mvi->tx[tag] = cpu_to_le32(TXQ_MODE_I | tag | - (TXQ_CMD_STP << TXQ_CMD_SHIFT) | - (sas_port->phy_mask << TXQ_PHY_SHIFT)); + slot = &mvi->slot_info[tag]; + slot->tx = mvi->tx_prod; + mvi->tx[mvi->tx_prod] = cpu_to_le32(TXQ_MODE_I | tag | + (TXQ_CMD_STP << TXQ_CMD_SHIFT) | + (sas_port->phy_mask << TXQ_PHY_SHIFT) | + (port->taskfileset << TXQ_SRS_SHIFT)); if (task->ata_task.use_ncq) flags |= MCH_FPDMA; - if (dev->sata_dev.command_set == ATAPI_COMMAND_SET) - flags |= MCH_ATAPI; + if (dev->sata_dev.command_set == ATAPI_COMMAND_SET) { + if (task->ata_task.fis.command != ATA_CMD_ID_ATAPI) + flags |= MCH_ATAPI; + } + /* FIXME: fill in port multiplier number */ hdr->flags = cpu_to_le32(flags); - hdr->tags = cpu_to_le32(tag); + + /* FIXME: the low order order 5 bits for the TAG if enable NCQ */ + if (task->ata_task.use_ncq) { + hdr->tags = cpu_to_le32(mvs_get_ncq_tag(task)); + /*Fill in task file */ + task->ata_task.fis.sector_count = hdr->tags << 3; + } else + hdr->tags = cpu_to_le32(tag); hdr->data_len = cpu_to_le32(task->total_xfer_len); /* * arrange MVS_SLOT_BUF_SZ-sized DMA buffer according to our needs */ - memset(slot->buf, 0, MVS_SLOT_BUF_SZ); - /* region 1: command table area (MVS_ATA_CMD_SZ bytes) ***************/ - buf_cmd = - buf_tmp = slot->buf; + /* region 1: command table area (MVS_ATA_CMD_SZ bytes) ************** */ + buf_cmd = buf_tmp = slot->buf; buf_tmp_dma = slot->buf_dma; hdr->cmd_tbl = cpu_to_le64(buf_tmp_dma); buf_tmp += MVS_ATA_CMD_SZ; buf_tmp_dma += MVS_ATA_CMD_SZ; +#if _MV_DUMP + slot->cmd_size = MVS_ATA_CMD_SZ; +#endif - /* region 2: open address frame area (MVS_OAF_SZ bytes) **********/ + /* region 2: open address frame area (MVS_OAF_SZ bytes) ********* */ /* used for STP. unused for SATA? */ buf_oaf = buf_tmp; hdr->open_frame = cpu_to_le64(buf_tmp_dma); @@ -996,40 +1671,49 @@ static int mvs_task_prep_ata(struct mvs_info *mvi, buf_tmp += MVS_OAF_SZ; buf_tmp_dma += MVS_OAF_SZ; - /* region 3: PRD table ***********************************************/ + /* region 3: PRD table ********************************************* */ buf_prd = buf_tmp; - hdr->prd_tbl = cpu_to_le64(buf_tmp_dma); + if (tei->n_elem) + hdr->prd_tbl = cpu_to_le64(buf_tmp_dma); + else + hdr->prd_tbl = 0; i = sizeof(struct mvs_prd) * tei->n_elem; buf_tmp += i; buf_tmp_dma += i; - /* region 4: status buffer (larger the PRD, smaller this buf) ********/ + /* region 4: status buffer (larger the PRD, smaller this buf) ****** */ /* FIXME: probably unused, for SATA. kept here just in case * we get a STP/SATA error information record */ slot->response = buf_tmp; hdr->status_buf = cpu_to_le64(buf_tmp_dma); - req_len = sizeof(struct ssp_frame_hdr) + 28; + req_len = sizeof(struct host_to_dev_fis); resp_len = MVS_SLOT_BUF_SZ - MVS_ATA_CMD_SZ - - sizeof(struct mvs_err_info) - i; + sizeof(struct mvs_err_info) - i; /* request, response lengths */ + resp_len = min(resp_len, max_resp_len); hdr->lens = cpu_to_le32(((resp_len / 4) << 16) | (req_len / 4)); + task->ata_task.fis.flags |= 0x80; /* C=1: update ATA cmd reg */ /* fill in command FIS and ATAPI CDB */ - memcpy(buf_cmd, &task->ata_task.fis, - sizeof(struct host_to_dev_fis)); - memcpy(buf_cmd + 0x40, task->ata_task.atapi_packet, 16); + memcpy(buf_cmd, &task->ata_task.fis, sizeof(struct host_to_dev_fis)); + if (dev->sata_dev.command_set == ATAPI_COMMAND_SET) + memcpy(buf_cmd + STP_ATAPI_CMD, + task->ata_task.atapi_packet, 16); + + /* generate open address frame hdr (first 12 bytes) */ + buf_oaf[0] = (1 << 7) | (2 << 4) | 0x1; /* initiator, STP, ftype 1h */ + buf_oaf[1] = task->dev->linkrate & 0xf; + *(u16 *)(buf_oaf + 2) = cpu_to_be16(tag); + memcpy(buf_oaf + 4, task->dev->sas_addr, SAS_ADDR_SIZE); /* fill in PRD (scatter/gather) table, if any */ - sg = task->scatter; - for (i = 0; i < tei->n_elem; i++) { + for_each_sg(task->scatter, sg, tei->n_elem, i) { buf_prd->addr = cpu_to_le64(sg_dma_address(sg)); buf_prd->len = cpu_to_le32(sg_dma_len(sg)); - - sg++; buf_prd++; } @@ -1040,23 +1724,25 @@ static int mvs_task_prep_ssp(struct mvs_info *mvi, struct mvs_task_exec_info *tei) { struct sas_task *task = tei->task; - struct asd_sas_port *sas_port = task->dev->port; struct mvs_cmd_hdr *hdr = tei->hdr; + struct mvs_port *port = tei->port; struct mvs_slot_info *slot; struct scatterlist *sg; - unsigned int resp_len, req_len, i, tag = tei->tag; struct mvs_prd *buf_prd; struct ssp_frame_hdr *ssp_hdr; void *buf_tmp; u8 *buf_cmd, *buf_oaf, fburst = 0; dma_addr_t buf_tmp_dma; u32 flags; + u32 resp_len, req_len, i, tag = tei->tag; + const u32 max_resp_len = SB_RFB_MAX; slot = &mvi->slot_info[tag]; - mvi->tx[tag] = cpu_to_le32(TXQ_MODE_I | tag | - (TXQ_CMD_SSP << TXQ_CMD_SHIFT) | - (sas_port->phy_mask << TXQ_PHY_SHIFT)); + slot->tx = mvi->tx_prod; + mvi->tx[mvi->tx_prod] = cpu_to_le32(TXQ_MODE_I | tag | + (TXQ_CMD_SSP << TXQ_CMD_SHIFT) | + (port->wide_port_phymap << TXQ_PHY_SHIFT)); flags = MCH_RETRY; if (task->ssp_task.enable_first_burst) { @@ -1064,8 +1750,8 @@ static int mvs_task_prep_ssp(struct mvs_info *mvi, fburst = (1 << 7); } hdr->flags = cpu_to_le32(flags | - (tei->n_elem << MCH_PRD_LEN_SHIFT) | - (MCH_SSP_FR_CMD << MCH_SSP_FR_TYPE_SHIFT)); + (tei->n_elem << MCH_PRD_LEN_SHIFT) | + (MCH_SSP_FR_CMD << MCH_SSP_FR_TYPE_SHIFT)); hdr->tags = cpu_to_le32(tag); hdr->data_len = cpu_to_le32(task->total_xfer_len); @@ -1073,40 +1759,46 @@ static int mvs_task_prep_ssp(struct mvs_info *mvi, /* * arrange MVS_SLOT_BUF_SZ-sized DMA buffer according to our needs */ - memset(slot->buf, 0, MVS_SLOT_BUF_SZ); - /* region 1: command table area (MVS_SSP_CMD_SZ bytes) ***************/ - buf_cmd = - buf_tmp = slot->buf; + /* region 1: command table area (MVS_SSP_CMD_SZ bytes) ************** */ + buf_cmd = buf_tmp = slot->buf; buf_tmp_dma = slot->buf_dma; hdr->cmd_tbl = cpu_to_le64(buf_tmp_dma); buf_tmp += MVS_SSP_CMD_SZ; buf_tmp_dma += MVS_SSP_CMD_SZ; +#if _MV_DUMP + slot->cmd_size = MVS_SSP_CMD_SZ; +#endif - /* region 2: open address frame area (MVS_OAF_SZ bytes) **********/ + /* region 2: open address frame area (MVS_OAF_SZ bytes) ********* */ buf_oaf = buf_tmp; hdr->open_frame = cpu_to_le64(buf_tmp_dma); buf_tmp += MVS_OAF_SZ; buf_tmp_dma += MVS_OAF_SZ; - /* region 3: PRD table ***********************************************/ + /* region 3: PRD table ********************************************* */ buf_prd = buf_tmp; - hdr->prd_tbl = cpu_to_le64(buf_tmp_dma); + if (tei->n_elem) + hdr->prd_tbl = cpu_to_le64(buf_tmp_dma); + else + hdr->prd_tbl = 0; i = sizeof(struct mvs_prd) * tei->n_elem; buf_tmp += i; buf_tmp_dma += i; - /* region 4: status buffer (larger the PRD, smaller this buf) ********/ + /* region 4: status buffer (larger the PRD, smaller this buf) ****** */ slot->response = buf_tmp; hdr->status_buf = cpu_to_le64(buf_tmp_dma); - req_len = sizeof(struct ssp_frame_hdr) + 28; resp_len = MVS_SLOT_BUF_SZ - MVS_SSP_CMD_SZ - MVS_OAF_SZ - - sizeof(struct mvs_err_info) - i; + sizeof(struct mvs_err_info) - i; + resp_len = min(resp_len, max_resp_len); + + req_len = sizeof(struct ssp_frame_hdr) + 28; /* request, response lengths */ hdr->lens = cpu_to_le32(((resp_len / 4) << 16) | (req_len / 4)); @@ -1114,12 +1806,11 @@ static int mvs_task_prep_ssp(struct mvs_info *mvi, /* generate open address frame hdr (first 12 bytes) */ buf_oaf[0] = (1 << 7) | (1 << 4) | 0x1; /* initiator, SSP, ftype 1h */ buf_oaf[1] = task->dev->linkrate & 0xf; - buf_oaf[2] = tag >> 8; - buf_oaf[3] = tag; + *(u16 *)(buf_oaf + 2) = cpu_to_be16(tag); memcpy(buf_oaf + 4, task->dev->sas_addr, SAS_ADDR_SIZE); - /* fill in SSP frame header */ - ssp_hdr = (struct ssp_frame_hdr *) buf_cmd; + /* fill in SSP frame header (Command Table.SSP frame header) */ + ssp_hdr = (struct ssp_frame_hdr *)buf_cmd; ssp_hdr->frame_type = SSP_COMMAND; memcpy(ssp_hdr->hashed_dest_addr, task->dev->hashed_sas_addr, HASHED_SAS_ADDR_SIZE); @@ -1130,18 +1821,14 @@ static int mvs_task_prep_ssp(struct mvs_info *mvi, /* fill in command frame IU */ buf_cmd += sizeof(*ssp_hdr); memcpy(buf_cmd, &task->ssp_task.LUN, 8); - buf_cmd[9] = fburst | - task->ssp_task.task_attr | - (task->ssp_task.task_prio << 3); + buf_cmd[9] = fburst | task->ssp_task.task_attr | + (task->ssp_task.task_prio << 3); memcpy(buf_cmd + 12, &task->ssp_task.cdb, 16); /* fill in PRD (scatter/gather) table, if any */ - sg = task->scatter; - for (i = 0; i < tei->n_elem; i++) { + for_each_sg(task->scatter, sg, tei->n_elem, i) { buf_prd->addr = cpu_to_le64(sg_dma_address(sg)); buf_prd->len = cpu_to_le32(sg_dma_len(sg)); - - sg++; buf_prd++; } @@ -1150,77 +1837,157 @@ static int mvs_task_prep_ssp(struct mvs_info *mvi, static int mvs_task_exec(struct sas_task *task, const int num, gfp_t gfp_flags) { - struct mvs_info *mvi = task->dev->port->ha->lldd_ha; - unsigned int tag = 0xdeadbeef, rc, n_elem = 0; + struct domain_device *dev = task->dev; + struct mvs_info *mvi = dev->port->ha->lldd_ha; + struct pci_dev *pdev = mvi->pdev; void __iomem *regs = mvi->regs; - unsigned long flags; struct mvs_task_exec_info tei; + struct sas_task *t = task; + u32 tag = 0xdeadbeef, rc, n_elem = 0; + unsigned long flags; + u32 n = num, pass = 0; - /* FIXME: STP/SATA support not complete yet */ - if (task->task_proto == SAS_PROTOCOL_SATA || task->task_proto == SAS_PROTOCOL_STP) - return -SAS_DEV_NO_RESPONSE; + spin_lock_irqsave(&mvi->lock, flags); - if (task->num_scatter) { - n_elem = pci_map_sg(mvi->pdev, task->scatter, - task->num_scatter, task->data_dir); - if (!n_elem) - return -ENOMEM; - } + do { + tei.port = &mvi->port[dev->port->id]; - spin_lock_irqsave(&mvi->lock, flags); + if (!tei.port->port_attached) { + struct task_status_struct *ts = &t->task_status; + ts->stat = SAS_PHY_DOWN; + t->task_done(t); + rc = 0; + goto exec_exit; + } + if (!sas_protocol_ata(t->task_proto)) { + if (t->num_scatter) { + n_elem = pci_map_sg(mvi->pdev, t->scatter, + t->num_scatter, + t->data_dir); + if (!n_elem) { + rc = -ENOMEM; + goto err_out; + } + } + } else { + n_elem = t->num_scatter; + } - rc = mvs_tag_alloc(mvi, &tag); - if (rc) - goto err_out; + rc = mvs_tag_alloc(mvi, &tag); + if (rc) + goto err_out; - mvi->slot_info[tag].task = task; - mvi->slot_info[tag].n_elem = n_elem; - tei.task = task; - tei.hdr = &mvi->slot[tag]; - tei.tag = tag; - tei.n_elem = n_elem; + mvi->slot_info[tag].task = t; + mvi->slot_info[tag].n_elem = n_elem; + memset(mvi->slot_info[tag].buf, 0, MVS_SLOT_BUF_SZ); + tei.task = t; + tei.hdr = &mvi->slot[tag]; + tei.tag = tag; + tei.n_elem = n_elem; + + switch (t->task_proto) { + case SAS_PROTOCOL_SMP: + rc = mvs_task_prep_smp(mvi, &tei); + break; + case SAS_PROTOCOL_SSP: + rc = mvs_task_prep_ssp(mvi, &tei); + break; + case SAS_PROTOCOL_SATA: + case SAS_PROTOCOL_STP: + case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP: + rc = mvs_task_prep_ata(mvi, &tei); + break; + default: + dev_printk(KERN_ERR, &pdev->dev, + "unknown sas_task proto: 0x%x\n", + t->task_proto); + rc = -EINVAL; + break; + } - switch (task->task_proto) { - case SAS_PROTOCOL_SMP: - rc = mvs_task_prep_smp(mvi, &tei); - break; - case SAS_PROTOCOL_SSP: - rc = mvs_task_prep_ssp(mvi, &tei); - break; - case SAS_PROTOCOL_SATA: - case SAS_PROTOCOL_STP: - rc = mvs_task_prep_ata(mvi, &tei); - break; - default: - rc = -EINVAL; - break; - } + if (rc) + goto err_out_tag; - if (rc) - goto err_out_tag; + /* TODO: select normal or high priority */ - /* TODO: select normal or high priority */ + spin_lock(&t->task_state_lock); + t->task_state_flags |= SAS_TASK_AT_INITIATOR; + spin_unlock(&t->task_state_lock); - mw32(RX_PROD_IDX, mvi->tx_prod); + if (n == 1) { + spin_unlock_irqrestore(&mvi->lock, flags); + mw32(TX_PROD_IDX, mvi->tx_prod); + } + mvs_hba_memory_dump(mvi, tag, t->task_proto); - mvi->tx_prod = (mvi->tx_prod + 1) & (MVS_TX_RING_SZ - 1); + ++pass; + mvi->tx_prod = (mvi->tx_prod + 1) & (MVS_CHIP_SLOT_SZ - 1); - spin_lock(&task->task_state_lock); - task->task_state_flags |= SAS_TASK_AT_INITIATOR; - spin_unlock(&task->task_state_lock); + if (n == 1) + break; + + t = list_entry(t->list.next, struct sas_task, list); + } while (--n); - spin_unlock_irqrestore(&mvi->lock, flags); return 0; err_out_tag: - mvs_tag_clear(mvi, tag); + mvs_tag_free(mvi, tag); err_out: - if (n_elem) - pci_unmap_sg(mvi->pdev, task->scatter, n_elem, task->data_dir); + dev_printk(KERN_ERR, &pdev->dev, "mvsas exec failed[%d]!\n", rc); + if (!sas_protocol_ata(t->task_proto)) + if (n_elem) + pci_unmap_sg(mvi->pdev, t->scatter, n_elem, + t->data_dir); +exec_exit: + if (pass) + mw32(TX_PROD_IDX, (mvi->tx_prod - 1) & (MVS_CHIP_SLOT_SZ - 1)); spin_unlock_irqrestore(&mvi->lock, flags); return rc; } +static int mvs_task_abort(struct sas_task *task) +{ + int rc = 1; + unsigned long flags; + struct mvs_info *mvi = task->dev->port->ha->lldd_ha; + struct pci_dev *pdev = mvi->pdev; + + spin_lock_irqsave(&task->task_state_lock, flags); + if (task->task_state_flags & SAS_TASK_STATE_DONE) { + rc = TMF_RESP_FUNC_COMPLETE; + goto out_done; + } + spin_unlock_irqrestore(&task->task_state_lock, flags); + + /*FIXME*/ + rc = TMF_RESP_FUNC_COMPLETE; + + switch (task->task_proto) { + case SAS_PROTOCOL_SMP: + dev_printk(KERN_DEBUG, &pdev->dev, "SMP Abort! "); + break; + case SAS_PROTOCOL_SSP: + dev_printk(KERN_DEBUG, &pdev->dev, "SSP Abort! "); + break; + case SAS_PROTOCOL_SATA: + case SAS_PROTOCOL_STP: + case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:{ + dev_printk(KERN_DEBUG, &pdev->dev, "STP Abort! " + "Dump D2H FIS: \n"); + mvs_hexdump(sizeof(struct host_to_dev_fis), + (void *)&task->ata_task.fis, 0); + dev_printk(KERN_DEBUG, &pdev->dev, "Dump ATAPI Cmd : \n"); + mvs_hexdump(16, task->ata_task.atapi_packet, 0); + break; + } + default: + break; + } +out_done: + return rc; +} + static void mvs_free(struct mvs_info *mvi) { int i; @@ -1238,7 +2005,7 @@ static void mvs_free(struct mvs_info *mvi) if (mvi->tx) dma_free_coherent(&mvi->pdev->dev, - sizeof(*mvi->tx) * MVS_TX_RING_SZ, + sizeof(*mvi->tx) * MVS_CHIP_SLOT_SZ, mvi->tx, mvi->tx_dma); if (mvi->rx_fis) dma_free_coherent(&mvi->pdev->dev, MVS_RX_FISL_SZ, @@ -1249,10 +2016,12 @@ static void mvs_free(struct mvs_info *mvi) mvi->rx, mvi->rx_dma); if (mvi->slot) dma_free_coherent(&mvi->pdev->dev, - sizeof(*mvi->slot) * MVS_RX_RING_SZ, + sizeof(*mvi->slot) * MVS_SLOTS, mvi->slot, mvi->slot_dma); +#ifdef MVS_ENABLE_PERI if (mvi->peri_regs) iounmap(mvi->peri_regs); +#endif if (mvi->regs) iounmap(mvi->regs); if (mvi->shost) @@ -1267,42 +2036,39 @@ static int mvs_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func, void *funcdata) { struct mvs_info *mvi = sas_phy->ha->lldd_ha; - void __iomem *reg; int rc = 0, phy_id = sas_phy->id; u32 tmp; - reg = mvi->regs + MVS_P0_SER_CTLSTAT + (phy_id * 4); + tmp = mvs_read_phy_ctl(mvi, phy_id); switch (func) { - case PHY_FUNC_SET_LINK_RATE: { - struct sas_phy_linkrates *rates = funcdata; - u32 lrmin = 0, lrmax = 0; + case PHY_FUNC_SET_LINK_RATE:{ + struct sas_phy_linkrates *rates = funcdata; + u32 lrmin = 0, lrmax = 0; - lrmin = (rates->minimum_linkrate << 8); - lrmax = (rates->maximum_linkrate << 12); + lrmin = (rates->minimum_linkrate << 8); + lrmax = (rates->maximum_linkrate << 12); - tmp = readl(reg); - if (lrmin) { - tmp &= ~(0xf << 8); - tmp |= lrmin; - } - if (lrmax) { - tmp &= ~(0xf << 12); - tmp |= lrmax; + if (lrmin) { + tmp &= ~(0xf << 8); + tmp |= lrmin; + } + if (lrmax) { + tmp &= ~(0xf << 12); + tmp |= lrmax; + } + mvs_write_phy_ctl(mvi, phy_id, tmp); + break; } - writel(tmp, reg); - break; - } case PHY_FUNC_HARD_RESET: - tmp = readl(reg); if (tmp & PHY_RST_HARD) break; - writel(tmp | PHY_RST_HARD, reg); + mvs_write_phy_ctl(mvi, phy_id, tmp | PHY_RST_HARD); break; case PHY_FUNC_LINK_RESET: - writel(readl(reg) | PHY_RST, reg); + mvs_write_phy_ctl(mvi, phy_id, tmp | PHY_RST); break; case PHY_FUNC_DISABLE: @@ -1335,11 +2101,11 @@ static void __devinit mvs_phy_init(struct mvs_info *mvi, int phy_id) sas_phy->lldd_phy = phy; } -static struct mvs_info * __devinit mvs_alloc(struct pci_dev *pdev, - const struct pci_device_id *ent) +static struct mvs_info *__devinit mvs_alloc(struct pci_dev *pdev, + const struct pci_device_id *ent) { struct mvs_info *mvi; - unsigned long res_start, res_len; + unsigned long res_start, res_len, res_flag; struct asd_sas_phy **arr_phy; struct asd_sas_port **arr_port; const struct mvs_chip_info *chip = &mvs_chips[ent->driver_data]; @@ -1381,9 +2147,10 @@ static struct mvs_info * __devinit mvs_alloc(struct pci_dev *pdev, SHOST_TO_SAS_HA(mvi->shost) = &mvi->sas; mvi->shost->transportt = mvs_stt; - mvi->shost->max_id = ~0; + mvi->shost->max_id = 21; mvi->shost->max_lun = ~0; - mvi->shost->max_cmd_len = ~0; + mvi->shost->max_channel = 0; + mvi->shost->max_cmd_len = 16; mvi->sas.sas_ha_name = DRV_NAME; mvi->sas.dev = &pdev->dev; @@ -1392,32 +2159,40 @@ static struct mvs_info * __devinit mvs_alloc(struct pci_dev *pdev, mvi->sas.sas_phy = arr_phy; mvi->sas.sas_port = arr_port; mvi->sas.num_phys = chip->n_phy; - mvi->sas.lldd_max_execute_num = MVS_TX_RING_SZ - 1;/* FIXME: correct? */ - mvi->sas.lldd_queue_size = MVS_TX_RING_SZ - 1; /* FIXME: correct? */ + mvi->sas.lldd_max_execute_num = MVS_CHIP_SLOT_SZ - 1; + mvi->sas.lldd_queue_size = MVS_QUEUE_SIZE; + mvi->can_queue = (MVS_CHIP_SLOT_SZ >> 1) - 1; mvi->sas.lldd_ha = mvi; mvi->sas.core.shost = mvi->shost; - mvs_tag_set(mvi, MVS_TX_RING_SZ - 1); + mvs_tag_init(mvi); /* * ioremap main and peripheral registers */ +#ifdef MVS_ENABLE_PERI res_start = pci_resource_start(pdev, 2); res_len = pci_resource_len(pdev, 2); if (!res_start || !res_len) goto err_out; mvi->peri_regs = ioremap_nocache(res_start, res_len); - if (!mvi->regs) + if (!mvi->peri_regs) goto err_out; +#endif res_start = pci_resource_start(pdev, 4); res_len = pci_resource_len(pdev, 4); if (!res_start || !res_len) goto err_out; - mvi->regs = ioremap_nocache(res_start, res_len); + res_flag = pci_resource_flags(pdev, 4); + if (res_flag & IORESOURCE_CACHEABLE) + mvi->regs = ioremap(res_start, res_len); + else + mvi->regs = ioremap_nocache(res_start, res_len); + if (!mvi->regs) goto err_out; @@ -1426,14 +2201,14 @@ static struct mvs_info * __devinit mvs_alloc(struct pci_dev *pdev, */ mvi->tx = dma_alloc_coherent(&pdev->dev, - sizeof(*mvi->tx) * MVS_TX_RING_SZ, + sizeof(*mvi->tx) * MVS_CHIP_SLOT_SZ, &mvi->tx_dma, GFP_KERNEL); if (!mvi->tx) goto err_out; - memset(mvi->tx, 0, sizeof(*mvi->tx) * MVS_TX_RING_SZ); + memset(mvi->tx, 0, sizeof(*mvi->tx) * MVS_CHIP_SLOT_SZ); mvi->rx_fis = dma_alloc_coherent(&pdev->dev, MVS_RX_FISL_SZ, - &mvi->rx_fis_dma, GFP_KERNEL); + &mvi->rx_fis_dma, GFP_KERNEL); if (!mvi->rx_fis) goto err_out; memset(mvi->rx_fis, 0, MVS_RX_FISL_SZ); @@ -1459,7 +2234,7 @@ static struct mvs_info * __devinit mvs_alloc(struct pci_dev *pdev, struct mvs_slot_info *slot = &mvi->slot_info[i]; slot->buf = dma_alloc_coherent(&pdev->dev, MVS_SLOT_BUF_SZ, - &slot->buf_dma, GFP_KERNEL); + &slot->buf_dma, GFP_KERNEL); if (!slot->buf) goto err_out; memset(slot->buf, 0, MVS_SLOT_BUF_SZ); @@ -1468,7 +2243,6 @@ static struct mvs_info * __devinit mvs_alloc(struct pci_dev *pdev, /* finally, read NVRAM to get our SAS address */ if (mvs_nvram_read(mvi, NVR_SAS_ADDR, &mvi->sas_addr, 8)) goto err_out; - return mvi; err_out: @@ -1488,26 +2262,89 @@ static void mvs_cw32(void __iomem *regs, u32 addr, u32 val) mw32(CMD_DATA, val); } -#if 0 -static u32 mvs_phy_read(struct mvs_info *mvi, unsigned int phy_id, u32 addr) +static u32 mvs_read_phy_ctl(struct mvs_info *mvi, u32 port) { void __iomem *regs = mvi->regs; - void __iomem *phy_regs = regs + MVS_P0_CFG_ADDR + (phy_id * 8); - - writel(addr, phy_regs); - return readl(phy_regs + 4); + return (port < 4)?mr32(P0_SER_CTLSTAT + port * 4): + mr32(P4_SER_CTLSTAT + (port - 4) * 4); } -#endif -static void mvs_phy_write(struct mvs_info *mvi, unsigned int phy_id, - u32 addr, u32 val) +static void mvs_write_phy_ctl(struct mvs_info *mvi, u32 port, u32 val) { void __iomem *regs = mvi->regs; - void __iomem *phy_regs = regs + MVS_P0_CFG_ADDR + (phy_id * 8); + if (port < 4) + mw32(P0_SER_CTLSTAT + port * 4, val); + else + mw32(P4_SER_CTLSTAT + (port - 4) * 4, val); +} + +static u32 mvs_read_port(struct mvs_info *mvi, u32 off, u32 off2, u32 port) +{ + void __iomem *regs = mvi->regs + off; + void __iomem *regs2 = mvi->regs + off2; + return (port < 4)?readl(regs + port * 8): + readl(regs2 + (port - 4) * 8); +} + +static void mvs_write_port(struct mvs_info *mvi, u32 off, u32 off2, + u32 port, u32 val) +{ + void __iomem *regs = mvi->regs + off; + void __iomem *regs2 = mvi->regs + off2; + if (port < 4) + writel(val, regs + port * 8); + else + writel(val, regs2 + (port - 4) * 8); +} + +static u32 mvs_read_port_cfg_data(struct mvs_info *mvi, u32 port) +{ + return mvs_read_port(mvi, MVS_P0_CFG_DATA, MVS_P4_CFG_DATA, port); +} + +static void mvs_write_port_cfg_data(struct mvs_info *mvi, u32 port, u32 val) +{ + mvs_write_port(mvi, MVS_P0_CFG_DATA, MVS_P4_CFG_DATA, port, val); +} + +static void mvs_write_port_cfg_addr(struct mvs_info *mvi, u32 port, u32 addr) +{ + mvs_write_port(mvi, MVS_P0_CFG_ADDR, MVS_P4_CFG_ADDR, port, addr); +} + +static u32 mvs_read_port_vsr_data(struct mvs_info *mvi, u32 port) +{ + return mvs_read_port(mvi, MVS_P0_VSR_DATA, MVS_P4_VSR_DATA, port); +} + +static void mvs_write_port_vsr_data(struct mvs_info *mvi, u32 port, u32 val) +{ + mvs_write_port(mvi, MVS_P0_VSR_DATA, MVS_P4_VSR_DATA, port, val); +} + +static void mvs_write_port_vsr_addr(struct mvs_info *mvi, u32 port, u32 addr) +{ + mvs_write_port(mvi, MVS_P0_VSR_ADDR, MVS_P4_VSR_ADDR, port, addr); +} + +static u32 mvs_read_port_irq_stat(struct mvs_info *mvi, u32 port) +{ + return mvs_read_port(mvi, MVS_P0_INT_STAT, MVS_P4_INT_STAT, port); +} + +static void mvs_write_port_irq_stat(struct mvs_info *mvi, u32 port, u32 val) +{ + mvs_write_port(mvi, MVS_P0_INT_STAT, MVS_P4_INT_STAT, port, val); +} + +static u32 mvs_read_port_irq_mask(struct mvs_info *mvi, u32 port) +{ + return mvs_read_port(mvi, MVS_P0_INT_MASK, MVS_P4_INT_MASK, port); +} - writel(addr, phy_regs); - writel(val, phy_regs + 4); - readl(phy_regs); /* flush */ +static void mvs_write_port_irq_mask(struct mvs_info *mvi, u32 port, u32 val) +{ + mvs_write_port(mvi, MVS_P0_INT_MASK, MVS_P4_INT_MASK, port, val); } static void __devinit mvs_phy_hacks(struct mvs_info *mvi) @@ -1547,6 +2384,260 @@ static void __devinit mvs_phy_hacks(struct mvs_info *mvi) tmp &= 0x1fffffff; tmp |= (2U << 29); /* 8 ms retry */ mvs_cw32(regs, CMD_PHY_TIMER, tmp); + + /* TEST - for phy decoding error, adjust voltage levels */ + mw32(P0_VSR_ADDR + 0, 0x8); + mw32(P0_VSR_DATA + 0, 0x2F0); + + mw32(P0_VSR_ADDR + 8, 0x8); + mw32(P0_VSR_DATA + 8, 0x2F0); + + mw32(P0_VSR_ADDR + 16, 0x8); + mw32(P0_VSR_DATA + 16, 0x2F0); + + mw32(P0_VSR_ADDR + 24, 0x8); + mw32(P0_VSR_DATA + 24, 0x2F0); + +} + +static void mvs_enable_xmt(struct mvs_info *mvi, int PhyId) +{ + void __iomem *regs = mvi->regs; + u32 tmp; + + tmp = mr32(PCS); + if (mvi->chip->n_phy <= 4) + tmp |= 1 << (PhyId + PCS_EN_PORT_XMT_SHIFT); + else + tmp |= 1 << (PhyId + PCS_EN_PORT_XMT_SHIFT2); + mw32(PCS, tmp); +} + +static void mvs_detect_porttype(struct mvs_info *mvi, int i) +{ + void __iomem *regs = mvi->regs; + u32 reg; + struct mvs_phy *phy = &mvi->phy[i]; + + /* TODO check & save device type */ + reg = mr32(GBL_PORT_TYPE); + + if (reg & MODE_SAS_SATA & (1 << i)) + phy->phy_type |= PORT_TYPE_SAS; + else + phy->phy_type |= PORT_TYPE_SATA; +} + +static void *mvs_get_d2h_reg(struct mvs_info *mvi, int i, void *buf) +{ + u32 *s = (u32 *) buf; + + if (!s) + return NULL; + + mvs_write_port_cfg_addr(mvi, i, PHYR_SATA_SIG3); + s[3] = mvs_read_port_cfg_data(mvi, i); + + mvs_write_port_cfg_addr(mvi, i, PHYR_SATA_SIG2); + s[2] = mvs_read_port_cfg_data(mvi, i); + + mvs_write_port_cfg_addr(mvi, i, PHYR_SATA_SIG1); + s[1] = mvs_read_port_cfg_data(mvi, i); + + mvs_write_port_cfg_addr(mvi, i, PHYR_SATA_SIG0); + s[0] = mvs_read_port_cfg_data(mvi, i); + + return (void *)s; +} + +static u32 mvs_is_sig_fis_received(u32 irq_status) +{ + return irq_status & PHYEV_SIG_FIS; +} + +static void mvs_update_wideport(struct mvs_info *mvi, int i) +{ + struct mvs_phy *phy = &mvi->phy[i]; + struct mvs_port *port = phy->port; + int j, no; + + for_each_phy(port->wide_port_phymap, no, j, mvi->chip->n_phy) + if (no & 1) { + mvs_write_port_cfg_addr(mvi, no, PHYR_WIDE_PORT); + mvs_write_port_cfg_data(mvi, no, + port->wide_port_phymap); + } else { + mvs_write_port_cfg_addr(mvi, no, PHYR_WIDE_PORT); + mvs_write_port_cfg_data(mvi, no, 0); + } +} + +static u32 mvs_is_phy_ready(struct mvs_info *mvi, int i) +{ + u32 tmp; + struct mvs_phy *phy = &mvi->phy[i]; + struct mvs_port *port; + + tmp = mvs_read_phy_ctl(mvi, i); + + if ((tmp & PHY_READY_MASK) && !(phy->irq_status & PHYEV_POOF)) { + if (!phy->port) + phy->phy_attached = 1; + return tmp; + } + + port = phy->port; + if (port) { + if (phy->phy_type & PORT_TYPE_SAS) { + port->wide_port_phymap &= ~(1U << i); + if (!port->wide_port_phymap) + port->port_attached = 0; + mvs_update_wideport(mvi, i); + } else if (phy->phy_type & PORT_TYPE_SATA) + port->port_attached = 0; + mvs_free_reg_set(mvi, phy->port); + phy->port = NULL; + phy->phy_attached = 0; + phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA); + } + return 0; +} + +static void mvs_update_phyinfo(struct mvs_info *mvi, int i, + int get_st) +{ + struct mvs_phy *phy = &mvi->phy[i]; + struct pci_dev *pdev = mvi->pdev; + u32 tmp, j; + u64 tmp64; + + mvs_write_port_cfg_addr(mvi, i, PHYR_IDENTIFY); + phy->dev_info = mvs_read_port_cfg_data(mvi, i); + + mvs_write_port_cfg_addr(mvi, i, PHYR_ADDR_HI); + phy->dev_sas_addr = (u64) mvs_read_port_cfg_data(mvi, i) << 32; + + mvs_write_port_cfg_addr(mvi, i, PHYR_ADDR_LO); + phy->dev_sas_addr |= mvs_read_port_cfg_data(mvi, i); + + if (get_st) { + phy->irq_status = mvs_read_port_irq_stat(mvi, i); + phy->phy_status = mvs_is_phy_ready(mvi, i); + } + + if (phy->phy_status) { + u32 phy_st; + struct asd_sas_phy *sas_phy = mvi->sas.sas_phy[i]; + + mvs_write_port_cfg_addr(mvi, i, PHYR_PHY_STAT); + phy_st = mvs_read_port_cfg_data(mvi, i); + + sas_phy->linkrate = + (phy->phy_status & PHY_NEG_SPP_PHYS_LINK_RATE_MASK) >> + PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET; + + /* Updated attached_sas_addr */ + mvs_write_port_cfg_addr(mvi, i, PHYR_ATT_ADDR_HI); + phy->att_dev_sas_addr = + (u64) mvs_read_port_cfg_data(mvi, i) << 32; + + mvs_write_port_cfg_addr(mvi, i, PHYR_ATT_ADDR_LO); + phy->att_dev_sas_addr |= mvs_read_port_cfg_data(mvi, i); + + dev_printk(KERN_DEBUG, &pdev->dev, + "phy[%d] Get Attached Address 0x%llX ," + " SAS Address 0x%llX\n", + i, phy->att_dev_sas_addr, phy->dev_sas_addr); + dev_printk(KERN_DEBUG, &pdev->dev, + "Rate = %x , type = %d\n", + sas_phy->linkrate, phy->phy_type); + +#if 1 + /* + * If the device is capable of supporting a wide port + * on its phys, it may configure the phys as a wide port. + */ + if (phy->phy_type & PORT_TYPE_SAS) + for (j = 0; j < mvi->chip->n_phy && j != i; ++j) { + if ((mvi->phy[j].phy_attached) && + (mvi->phy[j].phy_type & PORT_TYPE_SAS)) + if (phy->att_dev_sas_addr == + mvi->phy[j].att_dev_sas_addr - 1) { + phy->att_dev_sas_addr = + mvi->phy[j].att_dev_sas_addr; + break; + } + } + +#endif + + tmp64 = cpu_to_be64(phy->att_dev_sas_addr); + memcpy(sas_phy->attached_sas_addr, &tmp64, SAS_ADDR_SIZE); + + if (phy->phy_type & PORT_TYPE_SAS) { + mvs_write_port_cfg_addr(mvi, i, PHYR_ATT_DEV_INFO); + phy->att_dev_info = mvs_read_port_cfg_data(mvi, i); + phy->identify.device_type = + phy->att_dev_info & PORT_DEV_TYPE_MASK; + + if (phy->identify.device_type == SAS_END_DEV) + phy->identify.target_port_protocols = + SAS_PROTOCOL_SSP; + else if (phy->identify.device_type != NO_DEVICE) + phy->identify.target_port_protocols = + SAS_PROTOCOL_SMP; + if (phy_st & PHY_OOB_DTCTD) + sas_phy->oob_mode = SAS_OOB_MODE; + phy->frame_rcvd_size = + sizeof(struct sas_identify_frame); + } else if (phy->phy_type & PORT_TYPE_SATA) { + phy->identify.target_port_protocols = SAS_PROTOCOL_STP; + if (mvs_is_sig_fis_received(phy->irq_status)) { + if (phy_st & PHY_OOB_DTCTD) + sas_phy->oob_mode = SATA_OOB_MODE; + phy->frame_rcvd_size = + sizeof(struct dev_to_host_fis); + mvs_get_d2h_reg(mvi, i, + (void *)sas_phy->frame_rcvd); + } else { + dev_printk(KERN_DEBUG, &pdev->dev, + "No sig fis\n"); + } + } + /* workaround for HW phy decoding error on 1.5g disk drive */ + mvs_write_port_vsr_addr(mvi, i, VSR_PHY_MODE6); + tmp = mvs_read_port_vsr_data(mvi, i); + if (((phy->phy_status & PHY_NEG_SPP_PHYS_LINK_RATE_MASK) >> + PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET) == + SAS_LINK_RATE_1_5_GBPS) + tmp &= ~PHY_MODE6_DTL_SPEED; + else + tmp |= PHY_MODE6_DTL_SPEED; + mvs_write_port_vsr_data(mvi, i, tmp); + + } + if (get_st) + mvs_write_port_irq_stat(mvi, i, phy->irq_status); +} + +static void mvs_port_formed(struct asd_sas_phy *sas_phy) +{ + struct sas_ha_struct *sas_ha = sas_phy->ha; + struct mvs_info *mvi = sas_ha->lldd_ha; + struct asd_sas_port *sas_port = sas_phy->port; + struct mvs_phy *phy = sas_phy->lldd_phy; + struct mvs_port *port = &mvi->port[sas_port->id]; + unsigned long flags; + + spin_lock_irqsave(&mvi->lock, flags); + port->port_attached = 1; + phy->port = port; + port->taskfileset = MVS_ID_NOT_MAPPED; + if (phy->phy_type & PORT_TYPE_SAS) { + port->wide_port_phymap = sas_port->phy_mask; + mvs_update_wideport(mvi, sas_phy->id); + } + spin_unlock_irqrestore(&mvi->lock, flags); } static int __devinit mvs_hw_init(struct mvs_info *mvi) @@ -1559,6 +2650,7 @@ static int __devinit mvs_hw_init(struct mvs_info *mvi) mw32(GBL_CTL, 0); tmp = mr32(GBL_CTL); + /* Reset Controller */ if (!(tmp & HBA_RST)) { if (mvi->flags & MVF_PHY_PWR_FIX) { pci_read_config_dword(mvi->pdev, PCR_PHY_CTL, &tmp); @@ -1576,7 +2668,6 @@ static int __devinit mvs_hw_init(struct mvs_info *mvi) mw32_f(GBL_CTL, HBA_RST); } - /* wait for reset to finish; timeout is just a guess */ i = 1000; while (i-- > 0) { @@ -1590,6 +2681,7 @@ static int __devinit mvs_hw_init(struct mvs_info *mvi) return -EBUSY; } + /* Init Chip */ /* make sure RST is set; HBA_RST /should/ have done that for us */ cctl = mr32(CTL); if (cctl & CCTL_RST) @@ -1597,6 +2689,12 @@ static int __devinit mvs_hw_init(struct mvs_info *mvi) else mw32_f(CTL, cctl | CCTL_RST); + /* write to device control _AND_ device status register? - A.C. */ + pci_read_config_dword(mvi->pdev, PCR_DEV_CTRL, &tmp); + tmp &= ~PRD_REQ_MASK; + tmp |= PRD_REQ_SIZE; + pci_write_config_dword(mvi->pdev, PCR_DEV_CTRL, tmp); + pci_read_config_dword(mvi->pdev, PCR_PHY_CTL, &tmp); tmp |= PCTL_PWR_ON; tmp &= ~PCTL_OFF; @@ -1609,6 +2707,9 @@ static int __devinit mvs_hw_init(struct mvs_info *mvi) mw32_f(CTL, cctl); + /* reset control */ + mw32(PCS, 0); /*MVS_PCS */ + mvs_phy_hacks(mvi); mw32(CMD_LIST_LO, mvi->slot_dma); @@ -1617,7 +2718,7 @@ static int __devinit mvs_hw_init(struct mvs_info *mvi) mw32(RX_FIS_LO, mvi->rx_fis_dma); mw32(RX_FIS_HI, (mvi->rx_fis_dma >> 16) >> 16); - mw32(TX_CFG, MVS_TX_RING_SZ); + mw32(TX_CFG, MVS_CHIP_SLOT_SZ); mw32(TX_LO, mvi->tx_dma); mw32(TX_HI, (mvi->tx_dma >> 16) >> 16); @@ -1625,44 +2726,88 @@ static int __devinit mvs_hw_init(struct mvs_info *mvi) mw32(RX_LO, mvi->rx_dma); mw32(RX_HI, (mvi->rx_dma >> 16) >> 16); + /* enable auto port detection */ + mw32(GBL_PORT_TYPE, MODE_AUTO_DET_EN); + msleep(100); /* init and reset phys */ for (i = 0; i < mvi->chip->n_phy; i++) { /* FIXME: is this the correct dword order? */ - u32 lo = *((u32 *) &mvi->sas_addr[0]); - u32 hi = *((u32 *) &mvi->sas_addr[4]); + u32 lo = *((u32 *)&mvi->sas_addr[0]); + u32 hi = *((u32 *)&mvi->sas_addr[4]); + + mvs_detect_porttype(mvi, i); /* set phy local SAS address */ - mvs_phy_write(mvi, i, PHYR_ADDR_LO, lo); - mvs_phy_write(mvi, i, PHYR_ADDR_HI, hi); + mvs_write_port_cfg_addr(mvi, i, PHYR_ADDR_LO); + mvs_write_port_cfg_data(mvi, i, lo); + mvs_write_port_cfg_addr(mvi, i, PHYR_ADDR_HI); + mvs_write_port_cfg_data(mvi, i, hi); /* reset phy */ - tmp = readl(regs + MVS_P0_SER_CTLSTAT + (i * 4)); + tmp = mvs_read_phy_ctl(mvi, i); tmp |= PHY_RST; - writel(tmp, regs + MVS_P0_SER_CTLSTAT + (i * 4)); + mvs_write_phy_ctl(mvi, i, tmp); } msleep(100); for (i = 0; i < mvi->chip->n_phy; i++) { + /* clear phy int status */ + tmp = mvs_read_port_irq_stat(mvi, i); + tmp &= ~PHYEV_SIG_FIS; + mvs_write_port_irq_stat(mvi, i, tmp); + /* set phy int mask */ - writel(PHYEV_BROAD_CH | PHYEV_RDY_CH, - regs + MVS_P0_INT_MASK + (i * 8)); + tmp = PHYEV_RDY_CH | PHYEV_BROAD_CH | PHYEV_UNASSOC_FIS | + PHYEV_ID_DONE | PHYEV_DEC_ERR; + mvs_write_port_irq_mask(mvi, i, tmp); - /* clear phy int status */ - tmp = readl(regs + MVS_P0_INT_STAT + (i * 8)); - writel(tmp, regs + MVS_P0_INT_STAT + (i * 8)); + msleep(100); + mvs_update_phyinfo(mvi, i, 1); + mvs_enable_xmt(mvi, i); } /* FIXME: update wide port bitmaps */ + /* little endian for open address and command table, etc. */ + /* A.C. + * it seems that ( from the spec ) turning on big-endian won't + * do us any good on big-endian machines, need further confirmation + */ + cctl = mr32(CTL); + cctl |= CCTL_ENDIAN_CMD; + cctl |= CCTL_ENDIAN_DATA; + cctl &= ~CCTL_ENDIAN_OPEN; + cctl |= CCTL_ENDIAN_RSP; + mw32_f(CTL, cctl); + + /* reset CMD queue */ + tmp = mr32(PCS); + tmp |= PCS_CMD_RST; + mw32(PCS, tmp); + /* interrupt coalescing may cause missing HW interrput in some case, + * and the max count is 0x1ff, while our max slot is 0x200, + * it will make count 0. + */ + tmp = 0; + mw32(INT_COAL, tmp); + + tmp = 0x100; + mw32(INT_COAL_TMOUT, tmp); + /* ladies and gentlemen, start your engines */ - mw32(TX_CFG, MVS_TX_RING_SZ | TX_EN); + mw32(TX_CFG, 0); + mw32(TX_CFG, MVS_CHIP_SLOT_SZ | TX_EN); mw32(RX_CFG, MVS_RX_RING_SZ | RX_EN); - mw32(PCS, PCS_SATA_RETRY | PCS_FIS_RX_EN | PCS_CMD_EN | - ((mvi->flags & MVF_MSI) ? PCS_SELF_CLEAR : 0)); + /* enable CMD/CMPL_Q/RESP mode */ + mw32(PCS, PCS_SATA_RETRY | PCS_FIS_RX_EN | PCS_CMD_EN); /* re-enable interrupts globally */ - mw32(GBL_CTL, INT_EN); + mvs_hba_interrupt_enable(mvi); + + /* enable completion queue interrupt */ + tmp = (CINT_PORT_MASK | CINT_DONE | CINT_MEM); + mw32(INT_MASK, tmp); return 0; } @@ -1680,7 +2825,7 @@ static void __devinit mvs_print_info(struct mvs_info *mvi) } static int __devinit mvs_pci_init(struct pci_dev *pdev, - const struct pci_device_id *ent) + const struct pci_device_id *ent) { int rc; struct mvs_info *mvi; @@ -1710,10 +2855,16 @@ static int __devinit mvs_pci_init(struct pci_dev *pdev, if (rc) goto err_out_mvi; +#ifndef MVS_DISABLE_MSI if (!pci_enable_msi(pdev)) { + u32 tmp; + void __iomem *regs = mvi->regs; mvi->flags |= MVF_MSI; irq_handler = mvs_msi_interrupt; + tmp = mr32(PCS); + mw32(PCS, tmp | PCS_SELF_CLEAR); } +#endif rc = request_irq(pdev->irq, irq_handler, IRQF_SHARED, DRV_NAME, mvi); if (rc) @@ -1732,6 +2883,7 @@ static int __devinit mvs_pci_init(struct pci_dev *pdev, mvs_print_info(mvi); scsi_scan_host(mvi->shost); + return 0; err_out_shost: @@ -1756,21 +2908,26 @@ static void __devexit mvs_pci_remove(struct pci_dev *pdev) pci_set_drvdata(pdev, NULL); - sas_unregister_ha(&mvi->sas); - sas_remove_host(mvi->shost); - scsi_remove_host(mvi->shost); - - free_irq(pdev->irq, mvi); - if (mvi->flags & MVF_MSI) - pci_disable_msi(pdev); - mvs_free(mvi); - pci_release_regions(pdev); + if (mvi) { + sas_unregister_ha(&mvi->sas); + mvs_hba_interrupt_disable(mvi); + sas_remove_host(mvi->shost); + scsi_remove_host(mvi->shost); + + free_irq(pdev->irq, mvi); + if (mvi->flags & MVF_MSI) + pci_disable_msi(pdev); + mvs_free(mvi); + pci_release_regions(pdev); + } pci_disable_device(pdev); } static struct sas_domain_function_template mvs_transport_ops = { .lldd_execute_task = mvs_task_exec, .lldd_control_phy = mvs_phy_control, + .lldd_abort_task = mvs_task_abort, + .lldd_port_formed = mvs_port_formed }; static struct pci_device_id __devinitdata mvs_pci_table[] = { @@ -1822,4 +2979,3 @@ MODULE_DESCRIPTION("Marvell 88SE6440 SAS/SATA controller driver"); MODULE_VERSION(DRV_VERSION); MODULE_LICENSE("GPL"); MODULE_DEVICE_TABLE(pci, mvs_pci_table); - -- cgit v1.2.3 From cfb37ae1e9d31fe2c1d21734ab51405e0c3afb7e Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Wed, 30 Jan 2008 22:03:36 +0200 Subject: [SCSI] qlogicpt: section fixes In current mainline, __devinit qpti_sbus_probe() still is calling __init qpti_chain_add(). Change occurrences of __init to __devinit to fix. Signed-off-by: Adrian Bunk Signed-off-by: James Bottomley --- drivers/scsi/qlogicpti.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c index 65455ab1f3b..4a1cf6377f6 100644 --- a/drivers/scsi/qlogicpti.c +++ b/drivers/scsi/qlogicpti.c @@ -651,7 +651,7 @@ static int qlogicpti_verify_tmon(struct qlogicpti *qpti) static irqreturn_t qpti_intr(int irq, void *dev_id); -static void __init qpti_chain_add(struct qlogicpti *qpti) +static void __devinit qpti_chain_add(struct qlogicpti *qpti) { spin_lock_irq(&qptichain_lock); if (qptichain != NULL) { @@ -667,7 +667,7 @@ static void __init qpti_chain_add(struct qlogicpti *qpti) spin_unlock_irq(&qptichain_lock); } -static void __init qpti_chain_del(struct qlogicpti *qpti) +static void __devexit qpti_chain_del(struct qlogicpti *qpti) { spin_lock_irq(&qptichain_lock); if (qptichain == qpti) { @@ -682,7 +682,7 @@ static void __init qpti_chain_del(struct qlogicpti *qpti) spin_unlock_irq(&qptichain_lock); } -static int __init qpti_map_regs(struct qlogicpti *qpti) +static int __devinit qpti_map_regs(struct qlogicpti *qpti) { struct sbus_dev *sdev = qpti->sdev; @@ -705,7 +705,7 @@ static int __init qpti_map_regs(struct qlogicpti *qpti) return 0; } -static int __init qpti_register_irq(struct qlogicpti *qpti) +static int __devinit qpti_register_irq(struct qlogicpti *qpti) { struct sbus_dev *sdev = qpti->sdev; @@ -730,7 +730,7 @@ fail: return -1; } -static void __init qpti_get_scsi_id(struct qlogicpti *qpti) +static void __devinit qpti_get_scsi_id(struct qlogicpti *qpti) { qpti->scsi_id = prom_getintdefault(qpti->prom_node, "initiator-id", @@ -783,7 +783,7 @@ static void qpti_get_clock(struct qlogicpti *qpti) /* The request and response queues must each be aligned * on a page boundary. */ -static int __init qpti_map_queues(struct qlogicpti *qpti) +static int __devinit qpti_map_queues(struct qlogicpti *qpti) { struct sbus_dev *sdev = qpti->sdev; -- cgit v1.2.3 From 3a2d5b700132f35401f1d9e22fe3c2cab02c2549 Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Sat, 23 Feb 2008 19:13:25 +0100 Subject: PM: Introduce PM_EVENT_HIBERNATE callback state During the last step of hibernation in the "platform" mode (with the help of ACPI) we use the suspend code, including the devices' ->suspend() methods, to prepare the system for entering the ACPI S4 system sleep state. But at least for some devices the operations performed by the ->suspend() callback in that case must be different from its operations during regular suspend. For this reason, introduce the new PM event type PM_EVENT_HIBERNATE and pass it to the device drivers' ->suspend() methods during the last phase of hibernation, so that they can distinguish this case and handle it as appropriate. Modify the drivers that handle PM_EVENT_SUSPEND in a special way and need to handle PM_EVENT_HIBERNATE in the same way. These changes are necessary to fix a hibernation regression related to the i915 driver (ref. http://lkml.org/lkml/2008/2/22/488). Signed-off-by: Rafael J. Wysocki Acked-by: Pavel Machek Tested-by: Jeff Chua Signed-off-by: Linus Torvalds --- Documentation/power/devices.txt | 13 ++++++++----- drivers/ata/ahci.c | 2 +- drivers/ata/ata_piix.c | 2 +- drivers/ata/libata-core.c | 2 +- drivers/ide/ppc/pmac.c | 4 ++-- drivers/macintosh/mediabay.c | 3 ++- drivers/pci/pci.c | 1 + drivers/scsi/aic7xxx/aic79xx_osm_pci.c | 2 +- drivers/scsi/aic7xxx/aic7xxx_osm_pci.c | 2 +- drivers/scsi/mesh.c | 1 + drivers/scsi/sd.c | 3 +-- drivers/usb/host/sl811-hcd.c | 1 + drivers/usb/host/u132-hcd.c | 11 ++++++++--- drivers/video/chipsfb.c | 2 +- drivers/video/nvidia/nvidia.c | 2 +- include/linux/pm.h | 9 ++++++++- kernel/power/disk.c | 4 ++-- net/rfkill/rfkill.c | 2 +- 18 files changed, 42 insertions(+), 24 deletions(-) (limited to 'drivers') diff --git a/Documentation/power/devices.txt b/Documentation/power/devices.txt index c53d2636191..461e4f1dbec 100644 --- a/Documentation/power/devices.txt +++ b/Documentation/power/devices.txt @@ -310,9 +310,12 @@ used with suspend-to-disk: PM_EVENT_SUSPEND -- quiesce the driver and put hardware into a low-power state. When used with system sleep states like "suspend-to-RAM" or "standby", the upcoming resume() call will often be able to rely on - state kept in hardware, or issue system wakeup events. When used - instead with suspend-to-disk, few devices support this capability; - most are completely powered off. + state kept in hardware, or issue system wakeup events. + + PM_EVENT_HIBERNATE -- Put hardware into a low-power state and enable wakeup + events as appropriate. It is only used with hibernation + (suspend-to-disk) and few devices are able to wake up the system from + this state; most are completely powered off. PM_EVENT_FREEZE -- quiesce the driver, but don't necessarily change into any low power mode. A system snapshot is about to be taken, often @@ -329,8 +332,8 @@ used with suspend-to-disk: wakeup events nor DMA are allowed. To enter "standby" (ACPI S1) or "Suspend to RAM" (STR, ACPI S3) states, or -the similarly named APM states, only PM_EVENT_SUSPEND is used; for "Suspend -to Disk" (STD, hibernate, ACPI S4), all of those event codes are used. +the similarly named APM states, only PM_EVENT_SUSPEND is used; the other event +codes are used for hibernation ("Suspend to Disk", STD, ACPI S4). There's also PM_EVENT_ON, a value which never appears as a suspend event but is sometimes used to record the "not suspended" device state. diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 3c06e457b4d..6dd12f7019a 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -1932,7 +1932,7 @@ static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg) void __iomem *mmio = host->iomap[AHCI_PCI_BAR]; u32 ctl; - if (mesg.event == PM_EVENT_SUSPEND) { + if (mesg.event & PM_EVENT_SLEEP) { /* AHCI spec rev1.1 section 8.3.3: * Software must disable interrupts prior to requesting a * transition of the HBA to D3 state. diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 752e7d2f3b2..fae8404254c 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -1339,7 +1339,7 @@ static int piix_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg) * cycles and power trying to do something to the sleeping * beauty. */ - if (piix_broken_suspend() && mesg.event == PM_EVENT_SUSPEND) { + if (piix_broken_suspend() && (mesg.event & PM_EVENT_SLEEP)) { pci_save_state(pdev); /* mark its power state as "unknown", since we don't diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 60d1bb55697..4cf8662df99 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -7368,7 +7368,7 @@ void ata_pci_device_do_suspend(struct pci_dev *pdev, pm_message_t mesg) pci_save_state(pdev); pci_disable_device(pdev); - if (mesg.event == PM_EVENT_SUSPEND) + if (mesg.event & PM_EVENT_SLEEP) pci_set_power_state(pdev, PCI_D3hot); } diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c index 12ac3bfb4f9..78c9eeb8563 100644 --- a/drivers/ide/ppc/pmac.c +++ b/drivers/ide/ppc/pmac.c @@ -1254,7 +1254,7 @@ pmac_ide_macio_suspend(struct macio_dev *mdev, pm_message_t mesg) int rc = 0; if (mesg.event != mdev->ofdev.dev.power.power_state.event - && mesg.event == PM_EVENT_SUSPEND) { + && (mesg.event & PM_EVENT_SLEEP)) { rc = pmac_ide_do_suspend(hwif); if (rc == 0) mdev->ofdev.dev.power.power_state = mesg; @@ -1364,7 +1364,7 @@ pmac_ide_pci_suspend(struct pci_dev *pdev, pm_message_t mesg) int rc = 0; if (mesg.event != pdev->dev.power.power_state.event - && mesg.event == PM_EVENT_SUSPEND) { + && (mesg.event & PM_EVENT_SLEEP)) { rc = pmac_ide_do_suspend(hwif); if (rc == 0) pdev->dev.power.power_state = mesg; diff --git a/drivers/macintosh/mediabay.c b/drivers/macintosh/mediabay.c index 51a112815f4..bd8a1d14b45 100644 --- a/drivers/macintosh/mediabay.c +++ b/drivers/macintosh/mediabay.c @@ -698,7 +698,8 @@ static int media_bay_suspend(struct macio_dev *mdev, pm_message_t state) { struct media_bay_info *bay = macio_get_drvdata(mdev); - if (state.event != mdev->ofdev.dev.power.power_state.event && state.event == PM_EVENT_SUSPEND) { + if (state.event != mdev->ofdev.dev.power.power_state.event + && (state.event & PM_EVENT_SLEEP)) { down(&bay->lock); bay->sleeping = 1; set_mb_power(bay, 0); diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index ae3df46eaab..183fddaa38b 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -554,6 +554,7 @@ pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state) case PM_EVENT_PRETHAW: /* REVISIT both freeze and pre-thaw "should" use D0 */ case PM_EVENT_SUSPEND: + case PM_EVENT_HIBERNATE: return PCI_D3hot; default: printk("Unrecognized suspend event %d\n", state.event); diff --git a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c index 4150c8a8fdc..dfaaae5e73a 100644 --- a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c +++ b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c @@ -89,7 +89,7 @@ ahd_linux_pci_dev_suspend(struct pci_dev *pdev, pm_message_t mesg) pci_save_state(pdev); pci_disable_device(pdev); - if (mesg.event == PM_EVENT_SUSPEND) + if (mesg.event & PM_EVENT_SLEEP) pci_set_power_state(pdev, PCI_D3hot); return rc; diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c index dd6e21d6f1d..3d3eaef65fb 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c +++ b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c @@ -134,7 +134,7 @@ ahc_linux_pci_dev_suspend(struct pci_dev *pdev, pm_message_t mesg) pci_save_state(pdev); pci_disable_device(pdev); - if (mesg.event == PM_EVENT_SUSPEND) + if (mesg.event & PM_EVENT_SLEEP) pci_set_power_state(pdev, PCI_D3hot); return rc; diff --git a/drivers/scsi/mesh.c b/drivers/scsi/mesh.c index 651d09b08f2..fd63b06d9ef 100644 --- a/drivers/scsi/mesh.c +++ b/drivers/scsi/mesh.c @@ -1759,6 +1759,7 @@ static int mesh_suspend(struct macio_dev *mdev, pm_message_t mesg) switch (mesg.event) { case PM_EVENT_SUSPEND: + case PM_EVENT_HIBERNATE: case PM_EVENT_FREEZE: break; default: diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 37df8bbe7f4..7aee64dbfbe 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1835,8 +1835,7 @@ static int sd_suspend(struct device *dev, pm_message_t mesg) goto done; } - if (mesg.event == PM_EVENT_SUSPEND && - sdkp->device->manage_start_stop) { + if ((mesg.event & PM_EVENT_SLEEP) && sdkp->device->manage_start_stop) { sd_printk(KERN_NOTICE, sdkp, "Stopping disk\n"); ret = sd_start_stop_device(sdkp, 0); } diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c index ba370c56172..59be276ccd9 100644 --- a/drivers/usb/host/sl811-hcd.c +++ b/drivers/usb/host/sl811-hcd.c @@ -1766,6 +1766,7 @@ sl811h_suspend(struct platform_device *dev, pm_message_t state) retval = sl811h_bus_suspend(hcd); break; case PM_EVENT_SUSPEND: + case PM_EVENT_HIBERNATE: case PM_EVENT_PRETHAW: /* explicitly discard hw state */ port_power(sl811, 0); break; diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index ac283b09a63..6fca0696155 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -3214,14 +3214,19 @@ static int u132_suspend(struct platform_device *pdev, pm_message_t state) return -ESHUTDOWN; } else { int retval = 0; - if (state.event == PM_EVENT_FREEZE) { + + switch (state.event) { + case PM_EVENT_FREEZE: retval = u132_bus_suspend(hcd); - } else if (state.event == PM_EVENT_SUSPEND) { + break; + case PM_EVENT_SUSPEND: + case PM_EVENT_HIBERNATE: int ports = MAX_U132_PORTS; while (ports-- > 0) { port_power(u132, ports, 0); } - } + break; + } if (retval == 0) pdev->dev.power.power_state = state; return retval; diff --git a/drivers/video/chipsfb.c b/drivers/video/chipsfb.c index 6796ba62c3c..777389c4098 100644 --- a/drivers/video/chipsfb.c +++ b/drivers/video/chipsfb.c @@ -459,7 +459,7 @@ static int chipsfb_pci_suspend(struct pci_dev *pdev, pm_message_t state) if (state.event == pdev->dev.power.power_state.event) return 0; - if (state.event != PM_EVENT_SUSPEND) + if (!(state.event & PM_EVENT_SLEEP)) goto done; acquire_console_sem(); diff --git a/drivers/video/nvidia/nvidia.c b/drivers/video/nvidia/nvidia.c index 74517b1b26a..596652d2831 100644 --- a/drivers/video/nvidia/nvidia.c +++ b/drivers/video/nvidia/nvidia.c @@ -1066,7 +1066,7 @@ static int nvidiafb_suspend(struct pci_dev *dev, pm_message_t mesg) acquire_console_sem(); par->pm_state = mesg.event; - if (mesg.event == PM_EVENT_SUSPEND) { + if (mesg.event & PM_EVENT_SLEEP) { fb_set_suspend(info, 1); nvidiafb_blank(FB_BLANK_POWERDOWN, info); nvidia_write_regs(par, &par->SavedReg); diff --git a/include/linux/pm.h b/include/linux/pm.h index eccf59ea2a7..015b735811b 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -143,6 +143,9 @@ typedef struct pm_message { * the upcoming system state (such as PCI_D3hot), and enable * wakeup events as appropriate. * + * HIBERNATE Enter a low power device state appropriate for the hibernation + * state (eg. ACPI S4) and enable wakeup events as appropriate. + * * FREEZE Quiesce operations so that a consistent image can be saved; * but do NOT otherwise enter a low power device state, and do * NOT emit system wakeup events. @@ -166,11 +169,15 @@ typedef struct pm_message { #define PM_EVENT_ON 0 #define PM_EVENT_FREEZE 1 #define PM_EVENT_SUSPEND 2 -#define PM_EVENT_PRETHAW 3 +#define PM_EVENT_HIBERNATE 4 +#define PM_EVENT_PRETHAW 8 + +#define PM_EVENT_SLEEP (PM_EVENT_SUSPEND | PM_EVENT_HIBERNATE) #define PMSG_FREEZE ((struct pm_message){ .event = PM_EVENT_FREEZE, }) #define PMSG_PRETHAW ((struct pm_message){ .event = PM_EVENT_PRETHAW, }) #define PMSG_SUSPEND ((struct pm_message){ .event = PM_EVENT_SUSPEND, }) +#define PMSG_HIBERNATE ((struct pm_message){ .event = PM_EVENT_HIBERNATE, }) #define PMSG_ON ((struct pm_message){ .event = PM_EVENT_ON, }) struct dev_pm_info { diff --git a/kernel/power/disk.c b/kernel/power/disk.c index 859a8e59773..14a656cdc65 100644 --- a/kernel/power/disk.c +++ b/kernel/power/disk.c @@ -391,7 +391,7 @@ int hibernation_platform_enter(void) goto Close; suspend_console(); - error = device_suspend(PMSG_SUSPEND); + error = device_suspend(PMSG_HIBERNATE); if (error) goto Resume_console; @@ -404,7 +404,7 @@ int hibernation_platform_enter(void) goto Finish; local_irq_disable(); - error = device_power_down(PMSG_SUSPEND); + error = device_power_down(PMSG_HIBERNATE); if (!error) { hibernation_ops->enter(); /* We should never get here */ diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c index 1a47f5d1be1..140a0a8c6b0 100644 --- a/net/rfkill/rfkill.c +++ b/net/rfkill/rfkill.c @@ -232,7 +232,7 @@ static int rfkill_suspend(struct device *dev, pm_message_t state) struct rfkill *rfkill = to_rfkill(dev); if (dev->power.power_state.event != state.event) { - if (state.event == PM_EVENT_SUSPEND) { + if (state.event & PM_EVENT_SLEEP) { mutex_lock(&rfkill->mutex); if (rfkill->state == RFKILL_STATE_ON) -- cgit v1.2.3 From 98bcef56cadb4da138e2c1a2a0790f372382b236 Mon Sep 17 00:00:00 2001 From: mark gross Date: Sat, 23 Feb 2008 15:23:35 -0800 Subject: copyright owner and author clean up for intel iommu and related files The following is a clean up and correction of the copyright holding entities for the files associated with the intel iommu code. Signed-off-by: Cc: Greg KH Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/pci/dmar.c | 9 +++++---- drivers/pci/intel-iommu.c | 7 ++++--- drivers/pci/intel-iommu.h | 5 +++-- drivers/pci/iova.c | 3 ++- drivers/pci/iova.h | 3 ++- 5 files changed, 16 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index 8ed26480371..f941f609dbf 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -14,11 +14,12 @@ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple * Place - Suite 330, Boston, MA 02111-1307 USA. * - * Copyright (C) Ashok Raj - * Copyright (C) Shaohua Li - * Copyright (C) Anil S Keshavamurthy + * Copyright (C) 2006-2008 Intel Corporation + * Author: Ashok Raj + * Author: Shaohua Li + * Author: Anil S Keshavamurthy * - * This file implements early detection/parsing of DMA Remapping Devices + * This file implements early detection/parsing of DMA Remapping Devices * reported to OS through BIOS via DMA remapping reporting (DMAR) ACPI * tables. */ diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index a4c3089f892..977d29b3229 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -14,9 +14,10 @@ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple * Place - Suite 330, Boston, MA 02111-1307 USA. * - * Copyright (C) Ashok Raj - * Copyright (C) Shaohua Li - * Copyright (C) Anil S Keshavamurthy + * Copyright (C) 2006-2008 Intel Corporation + * Author: Ashok Raj + * Author: Shaohua Li + * Author: Anil S Keshavamurthy */ #include diff --git a/drivers/pci/intel-iommu.h b/drivers/pci/intel-iommu.h index 07f5f6353bd..afc0ad96122 100644 --- a/drivers/pci/intel-iommu.h +++ b/drivers/pci/intel-iommu.h @@ -14,8 +14,9 @@ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple * Place - Suite 330, Boston, MA 02111-1307 USA. * - * Copyright (C) Ashok Raj - * Copyright (C) Anil S Keshavamurthy + * Copyright (C) 2006-2008 Intel Corporation + * Author: Ashok Raj + * Author: Anil S Keshavamurthy */ #ifndef _INTEL_IOMMU_H_ diff --git a/drivers/pci/iova.c b/drivers/pci/iova.c index 8de7ab6c6d0..dbcdd6bfa63 100644 --- a/drivers/pci/iova.c +++ b/drivers/pci/iova.c @@ -3,7 +3,8 @@ * * This file is released under the GPLv2. * - * Copyright (C) 2006 Anil S Keshavamurthy + * Copyright (C) 2006-2008 Intel Corporation + * Author: Anil S Keshavamurthy */ #include "iova.h" diff --git a/drivers/pci/iova.h b/drivers/pci/iova.h index d521b5b7319..228f6c94b69 100644 --- a/drivers/pci/iova.h +++ b/drivers/pci/iova.h @@ -3,7 +3,8 @@ * * This file is released under the GPLv2. * - * Copyright (C) 2006 Anil S Keshavamurthy + * Copyright (C) 2006-2008 Intel Corporation + * Author: Anil S Keshavamurthy * */ -- cgit v1.2.3 From 0400b697ef20247d26427e4beb6a84ca5aa51f45 Mon Sep 17 00:00:00 2001 From: Haavard Skinnemoen Date: Sat, 23 Feb 2008 15:23:36 -0800 Subject: atmel_serial: fix interrupt handler return value We should only return IRQ_HANDLED when we actually found something to handle. This is important since the USART interrupt handler may be shared with the timer interrupt on some chips. Pointed-out-by: michael Signed-off-by: Haavard Skinnemoen Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/serial/atmel_serial.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c index fad245b064d..d57bf3e708d 100644 --- a/drivers/serial/atmel_serial.c +++ b/drivers/serial/atmel_serial.c @@ -549,7 +549,7 @@ static irqreturn_t atmel_interrupt(int irq, void *dev_id) atmel_handle_transmit(port, pending); } while (pass_counter++ < ATMEL_ISR_PASS_LIMIT); - return IRQ_HANDLED; + return pass_counter ? IRQ_HANDLED : IRQ_NONE; } /* -- cgit v1.2.3 From f6febccd7f86fbe94858a4a32d9384cc014c9f40 Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Sat, 23 Feb 2008 15:23:39 -0800 Subject: atmel_spi: fix clock polarity The atmel_spi driver does not initialize clock polarity correctly (except for at91rm9200 CS0 channel) in some case. The atmel_spi driver uses gpio-controlled chipselect. OTOH spi clock signal is controlled by CSRn.CPOL bit, but this register controls clock signal correctly only in 'real transfer' duration. At the time of cs_activate() call, CSRn.CPOL will be initialized correctly, but the controller do not know which channel is to be used next, so clock signal will stay at the inactive state of last transfer. If clock polarity of new transfer and last transfer was differ, new transfer will start with wrong clock signal state. For example, if you started SPI MODE 2 or 3 transfer after SPI MODE 0 or 1 transfer, the clock signal state at the assertion of chipselect will be low. Of course this will violates SPI transfer. This patch is short term solution for this problem. It makes all CSRn.CPOL match for the transfer before activating chipselect. For longer term, the best fix might be to let NPCS0 stay selected permanently in MR and overwrite CSR0 with to the new slave's settings before asserting CS. Signed-off-by: Atsushi Nemoto Acked-by: Haavard Skinnemoen Cc: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/spi/atmel_spi.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers') diff --git a/drivers/spi/atmel_spi.c b/drivers/spi/atmel_spi.c index 293b7cab3e5..85687aaf9ca 100644 --- a/drivers/spi/atmel_spi.c +++ b/drivers/spi/atmel_spi.c @@ -87,6 +87,16 @@ static void cs_activate(struct atmel_spi *as, struct spi_device *spi) unsigned gpio = (unsigned) spi->controller_data; unsigned active = spi->mode & SPI_CS_HIGH; u32 mr; + int i; + u32 csr; + u32 cpol = (spi->mode & SPI_CPOL) ? SPI_BIT(CPOL) : 0; + + /* Make sure clock polarity is correct */ + for (i = 0; i < spi->master->num_chipselect; i++) { + csr = spi_readl(as, CSR0 + 4 * i); + if ((csr ^ cpol) & SPI_BIT(CPOL)) + spi_writel(as, CSR0 + 4 * i, csr ^ SPI_BIT(CPOL)); + } mr = spi_readl(as, MR); mr = SPI_BFINS(PCS, ~(1 << spi->chip_select), mr); -- cgit v1.2.3 From b97c74bddce4e2c6fef6b3b58910b4fd9eb7f3b8 Mon Sep 17 00:00:00 2001 From: Ned Forrester Date: Sat, 23 Feb 2008 15:23:40 -0800 Subject: spi: pxa2xx_spi clock polarity fix Fixes a sequencing bug in spi driver pxa2xx_spi.c in which the chip select for a transfer may be asserted before the clock polarity is set on the interface. As a result of this bug, the clock signal may have the wrong polarity at transfer start, so it may need to make an extra half transition before the intended clock/data signals begin. (This probably means all transfers are one bit out of sequence.) This only occurs on the first transfer following a change in clock polarity in systems using more than one more than one such polarity. The fix assures that the clock mode is properly set before asserting chip select. This bug was introduced in a patch merged on 2006/12/10, kernel 2.6.20. The patch defines an additional bit in: include/asm-arm/arch-pxa/regs-ssp.h for 2.6.25 and newer kernels but this addition must be made in: include/asm-arm/arch-pxa/pxa-regs.h for kernels between 2.6.20 and 2.6.24, inclusive Signed-off-by: Ned Forrester Signed-off-by: David Brownell Cc: Russell King Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/spi/pxa2xx_spi.c | 41 ++++++++++++++++++++++++------------- include/asm-arm/arch-pxa/regs-ssp.h | 1 + 2 files changed, 28 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c index 365e0e355ae..59deed79e0a 100644 --- a/drivers/spi/pxa2xx_spi.c +++ b/drivers/spi/pxa2xx_spi.c @@ -51,13 +51,19 @@ MODULE_LICENSE("GPL"); #define RESET_DMA_CHANNEL (DCSR_NODESC | DMA_INT_MASK) #define IS_DMA_ALIGNED(x) (((u32)(x)&0x07)==0) -/* for testing SSCR1 changes that require SSP restart, basically - * everything except the service and interrupt enables */ -#define SSCR1_CHANGE_MASK (SSCR1_TTELP | SSCR1_TTE | SSCR1_EBCEI | SSCR1_SCFR \ +/* + * for testing SSCR1 changes that require SSP restart, basically + * everything except the service and interrupt enables, the pxa270 developer + * manual says only SSCR1_SCFR, SSCR1_SPH, SSCR1_SPO need to be in this + * list, but the PXA255 dev man says all bits without really meaning the + * service and interrupt enables + */ +#define SSCR1_CHANGE_MASK (SSCR1_TTELP | SSCR1_TTE | SSCR1_SCFR \ | SSCR1_ECRA | SSCR1_ECRB | SSCR1_SCLKDIR \ - | SSCR1_RWOT | SSCR1_TRAIL | SSCR1_PINTE \ - | SSCR1_STRF | SSCR1_EFWR |SSCR1_RFT \ - | SSCR1_TFT | SSCR1_SPH | SSCR1_SPO | SSCR1_LBM) + | SSCR1_SFRMDIR | SSCR1_RWOT | SSCR1_TRAIL \ + | SSCR1_IFS | SSCR1_STRF | SSCR1_EFWR \ + | SSCR1_RFT | SSCR1_TFT | SSCR1_MWDS \ + | SSCR1_SPH | SSCR1_SPO | SSCR1_LBM) #define DEFINE_SSP_REG(reg, off) \ static inline u32 read_##reg(void *p) { return __raw_readl(p + (off)); } \ @@ -973,9 +979,6 @@ static void pump_transfers(unsigned long data) if (drv_data->ssp_type == PXA25x_SSP) DCMD(drv_data->tx_channel) |= DCMD_ENDIRQEN; - /* Fix me, need to handle cs polarity */ - drv_data->cs_control(PXA2XX_CS_ASSERT); - /* Clear status and start DMA engine */ cr1 = chip->cr1 | dma_thresh | drv_data->dma_cr1; write_SSSR(drv_data->clear_sr, reg); @@ -985,9 +988,6 @@ static void pump_transfers(unsigned long data) /* Ensure we have the correct interrupt handler */ drv_data->transfer_handler = interrupt_transfer; - /* Fix me, need to handle cs polarity */ - drv_data->cs_control(PXA2XX_CS_ASSERT); - /* Clear status */ cr1 = chip->cr1 | chip->threshold | drv_data->int_cr1; write_SSSR(drv_data->clear_sr, reg); @@ -998,16 +998,29 @@ static void pump_transfers(unsigned long data) || (read_SSCR1(reg) & SSCR1_CHANGE_MASK) != (cr1 & SSCR1_CHANGE_MASK)) { + /* stop the SSP, and update the other bits */ write_SSCR0(cr0 & ~SSCR0_SSE, reg); if (drv_data->ssp_type != PXA25x_SSP) write_SSTO(chip->timeout, reg); - write_SSCR1(cr1, reg); + /* first set CR1 without interrupt and service enables */ + write_SSCR1(cr1 & SSCR1_CHANGE_MASK, reg); + /* restart the SSP */ write_SSCR0(cr0, reg); + } else { if (drv_data->ssp_type != PXA25x_SSP) write_SSTO(chip->timeout, reg); - write_SSCR1(cr1, reg); } + + /* FIXME, need to handle cs polarity, + * this driver uses struct pxa2xx_spi_chip.cs_control to + * specify a CS handling function, and it ignores most + * struct spi_device.mode[s], including SPI_CS_HIGH */ + drv_data->cs_control(PXA2XX_CS_ASSERT); + + /* after chip select, release the data by enabling service + * requests and interrupts, without changing any mode bits */ + write_SSCR1(cr1, reg); } static void pump_messages(struct work_struct *work) diff --git a/include/asm-arm/arch-pxa/regs-ssp.h b/include/asm-arm/arch-pxa/regs-ssp.h index 991cb688db7..0255328c3c1 100644 --- a/include/asm-arm/arch-pxa/regs-ssp.h +++ b/include/asm-arm/arch-pxa/regs-ssp.h @@ -85,6 +85,7 @@ #define SSCR1_RSRE (1 << 20) /* Receive Service Request Enable */ #define SSCR1_TINTE (1 << 19) /* Receiver Time-out Interrupt enable */ #define SSCR1_PINTE (1 << 18) /* Peripheral Trailing Byte Interupt Enable */ +#define SSCR1_IFS (1 << 16) /* Invert Frame Signal */ #define SSCR1_STRF (1 << 15) /* Select FIFO or EFWR */ #define SSCR1_EFWR (1 << 14) /* Enable FIFO Write/Read */ -- cgit v1.2.3 From c8626a1d7250c593f148530b559c20f6f6af18e8 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Sat, 23 Feb 2008 15:23:44 -0800 Subject: rtc-cmos: display HPET emulation mode For the "cmos" RTC, have /proc/driver/rtc say whether HPET based IRQ emulation is in effect. Given the problems we've had with this particular hardware maldesign (and the fact that most BIOS code seems not to provide the IRQ routing needed to use the saner HPET modes), this should help troubleshooting. Signed-off-by: David Brownell Cc: Alessandro Zummo Cc: Ingo Molnar Cc: Thomas Gleixner Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/rtc-cmos.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index e059f94c79e..f3ee2ad566b 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -388,6 +388,7 @@ static int cmos_procfs(struct device *dev, struct seq_file *seq) return seq_printf(seq, "periodic_IRQ\t: %s\n" "update_IRQ\t: %s\n" + "HPET_emulated\t: %s\n" // "square_wave\t: %s\n" // "BCD\t\t: %s\n" "DST_enable\t: %s\n" @@ -395,6 +396,7 @@ static int cmos_procfs(struct device *dev, struct seq_file *seq) "batt_status\t: %s\n", (rtc_control & RTC_PIE) ? "yes" : "no", (rtc_control & RTC_UIE) ? "yes" : "no", + is_hpet_enabled() ? "yes" : "no", // (rtc_control & RTC_SQWE) ? "yes" : "no", // (rtc_control & RTC_DM_BINARY) ? "no" : "yes", (rtc_control & RTC_DST_EN) ? "yes" : "no", -- cgit v1.2.3 From f3069ae9d76901d021362bb63d9ad6c5900dfc76 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Sat, 23 Feb 2008 15:23:46 -0800 Subject: dmi: don't save the same device twice Now that we gather on-board devices from both DMI types 10 and 41, there is a possibility that we list the same device twice. In order to not confuse drivers, and also to save memory, make sure that we do not add duplicate devices to the dmi_devices list. Signed-off-by: Jean Delvare Cc: Wim Van Sebroeck Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/firmware/dmi_scan.c | 74 +++++++++++++++++++++++++++------------------ 1 file changed, 44 insertions(+), 30 deletions(-) (limited to 'drivers') diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index 653265a40b7..de3027521bf 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -10,10 +10,9 @@ static char dmi_empty_string[] = " "; -static char * __init dmi_string(const struct dmi_header *dm, u8 s) +static const char * __init dmi_string_nosave(const struct dmi_header *dm, u8 s) { const u8 *bp = ((u8 *) dm) + dm->length; - char *str = ""; if (s) { s--; @@ -28,14 +27,29 @@ static char * __init dmi_string(const struct dmi_header *dm, u8 s) if (!memcmp(bp, dmi_empty_string, cmp_len)) return dmi_empty_string; - str = dmi_alloc(len); - if (str != NULL) - strcpy(str, bp); - else - printk(KERN_ERR "dmi_string: cannot allocate %Zu bytes.\n", len); + return bp; } } + return ""; +} + +static char * __init dmi_string(const struct dmi_header *dm, u8 s) +{ + const char *bp = dmi_string_nosave(dm, s); + char *str; + size_t len; + + if (bp == dmi_empty_string) + return dmi_empty_string; + + len = strlen(bp) + 1; + str = dmi_alloc(len); + if (str != NULL) + strcpy(str, bp); + else + printk(KERN_ERR "dmi_string: cannot allocate %Zu bytes.\n", len); + return str; } @@ -167,10 +181,30 @@ static void __init dmi_save_type(const struct dmi_header *dm, int slot, int inde dmi_ident[slot] = s; } +static void __init dmi_save_one_device(int type, const char *name) +{ + struct dmi_device *dev; + + /* No duplicate device */ + if (dmi_find_device(type, name, NULL)) + return; + + dev = dmi_alloc(sizeof(*dev) + strlen(name) + 1); + if (!dev) { + printk(KERN_ERR "dmi_save_one_device: out of memory.\n"); + return; + } + + dev->type = type; + strcpy((char *)(dev + 1), name); + dev->name = (char *)(dev + 1); + dev->device_data = NULL; + list_add(&dev->list, &dmi_devices); +} + static void __init dmi_save_devices(const struct dmi_header *dm) { int i, count = (dm->length - sizeof(struct dmi_header)) / 2; - struct dmi_device *dev; for (i = 0; i < count; i++) { const char *d = (char *)(dm + 1) + (i * 2); @@ -179,16 +213,7 @@ static void __init dmi_save_devices(const struct dmi_header *dm) if ((*d & 0x80) == 0) continue; - dev = dmi_alloc(sizeof(*dev)); - if (!dev) { - printk(KERN_ERR "dmi_save_devices: out of memory.\n"); - break; - } - - dev->type = *d++ & 0x7f; - dev->name = dmi_string(dm, *d); - dev->device_data = NULL; - list_add(&dev->list, &dmi_devices); + dmi_save_one_device(*d & 0x7f, dmi_string_nosave(dm, *(d + 1))); } } @@ -253,23 +278,12 @@ static void __init dmi_save_ipmi_device(const struct dmi_header *dm) static void __init dmi_save_extended_devices(const struct dmi_header *dm) { const u8 *d = (u8*) dm + 5; - struct dmi_device *dev; /* Skip disabled device */ if ((*d & 0x80) == 0) return; - dev = dmi_alloc(sizeof(*dev)); - if (!dev) { - printk(KERN_ERR "dmi_save_extended_devices: out of memory.\n"); - return; - } - - dev->type = *d-- & 0x7f; - dev->name = dmi_string(dm, *d); - dev->device_data = NULL; - - list_add(&dev->list, &dmi_devices); + dmi_save_one_device(*d & 0x7f, dmi_string_nosave(dm, *(d - 1))); } /* -- cgit v1.2.3 From 48f15b93b2c9f4ec9b8af08ab78f7a27db7c8378 Mon Sep 17 00:00:00 2001 From: Paul Clements Date: Sat, 23 Feb 2008 15:23:50 -0800 Subject: NBD: make nbd default to deadline I/O scheduler NBD doesn't work well with CFQ (or AS) schedulers, so let's default to something else. The two problems I have experienced with nbd and cfq are: 1) nbd hangs with cfq on RHEL 5 (2.6.18) -- this may well have been fixed There's a similar debian bug that has been filed as well: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=447638 There have been posts to nbd-general mailing list about problems with cfq and nbd also. 2) nbd performs about 10% better (the last time I tested) with deadline vs. cfq (the overhead of cfq doesn't provide much advantage to nbd [not being a real disk], and you end up going through the I/O scheduler on the nbd server anyway, so it makes sense that deadline is better with nbd) Signed-off-by: Paul Clements Cc: Jens Axboe Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/nbd.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers') diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 018753c59b8..b53fdb0a282 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -655,6 +655,7 @@ static int __init nbd_init(void) for (i = 0; i < nbds_max; i++) { struct gendisk *disk = alloc_disk(1); + elevator_t *old_e; if (!disk) goto out; nbd_dev[i].disk = disk; @@ -668,6 +669,11 @@ static int __init nbd_init(void) put_disk(disk); goto out; } + old_e = disk->queue->elevator; + if (elevator_init(disk->queue, "deadline") == 0 || + elevator_init(disk->queue, "noop") == 0) { + elevator_exit(old_e); + } } if (register_blkdev(NBD_MAJOR, "nbd")) { -- cgit v1.2.3 From 79306a340c23e40c94ce16e504d172ae15b24187 Mon Sep 17 00:00:00 2001 From: Sergio Luis Date: Sat, 23 Feb 2008 15:23:53 -0800 Subject: drivers/video/uvesafb.c: fix section mismatch warning in param_set_scroll() Fix following warnings: WARNING: drivers/video/built-in.o(.text+0x7c64a): Section mismatch in reference from the function param_set_scroll() to the variable .devinit.data:ypan WARNING: drivers/video/built-in.o(.text+0x7c65d): Section mismatch in reference from the function param_set_scroll() to the variable .devinit.data:ypan WARNING: drivers/video/built-in.o(.text+0x7c679): Section mismatch in reference from the function param_set_scroll() to the variable .devinit.data:ypan WARNING: drivers/video/built-in.o(.text+0x7c699): Section mismatch in reference from the function param_set_scroll() to the variable .devinit.data:ypan WARNING: drivers/video/built-in.o(.text+0x7c69f): Section mismatch in reference from the function param_set_scroll() to the variable .devinit.data:ypan WARNING: drivers/built-in.o(.text+0xa3676): Section mismatch in reference from the function param_set_scroll() to the variable .devinit.data:ypan WARNING: drivers/built-in.o(.text+0xa3689): Section mismatch in reference from the function param_set_scroll() to the variable .devinit.data:ypan WARNING: drivers/built-in.o(.text+0xa36a5): Section mismatch in reference from the function param_set_scroll() to the variable .devinit.data:ypan WARNING: drivers/built-in.o(.text+0xa36c5): Section mismatch in reference from the function param_set_scroll() to the variable .devinit.data:ypan WARNING: drivers/built-in.o(.text+0xa36cb): Section mismatch in reference from the function param_set_scroll() to the variable .devinit.data:ypan WARNING: vmlinux.o(.text+0x4a079a): Section mismatch in reference from the function param_set_scroll() to the variable .devinit.data:ypan WARNING: vmlinux.o(.text+0x4a07ad): Section mismatch in reference from the function param_set_scroll() to the variable .devinit.data:ypan WARNING: vmlinux.o(.text+0x4a07c9): Section mismatch in reference from the function param_set_scroll() to the variable .devinit.data:ypan WARNING: vmlinux.o(.text+0x4a07e9): Section mismatch in reference from the function param_set_scroll() to the variable .devinit.data:ypan WARNING: vmlinux.o(.text+0x4a07ef): Section mismatch in reference from the function param_set_scroll() to the variable .devinit.data:ypan Remove __devinitdata annotation from the variable ypan. Signed-off-by: Sergio Luis Cc: Michal Januszewski Cc: "Antonino A. Daplas" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/uvesafb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c index be27b9c1ed7..93361656316 100644 --- a/drivers/video/uvesafb.c +++ b/drivers/video/uvesafb.c @@ -44,7 +44,7 @@ static struct fb_fix_screeninfo uvesafb_fix __devinitdata = { static int mtrr __devinitdata = 3; /* enable mtrr by default */ static int blank = 1; /* enable blanking by default */ -static int ypan __devinitdata = 1; /* 0: scroll, 1: ypan, 2: ywrap */ +static int ypan = 1; /* 0: scroll, 1: ypan, 2: ywrap */ static int pmi_setpal __devinitdata = 1; /* use PMI for palette changes */ static int nocrtc __devinitdata; /* ignore CRTC settings */ static int noedid __devinitdata; /* don't try DDC transfers */ -- cgit v1.2.3 From 43fe105a5c91b2f00ea7f900ed307fe980410612 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Sat, 23 Feb 2008 15:23:55 -0800 Subject: dmi: prevent linked list corruption Adding the same item to a given linked list more than once is guaranteed to break and corrupt the list. This is however what we do in dmi_scan since commit 79da4721117fcf188b4b007b775738a530f574da ("x86: fix DMI out of memory problems"). Given that there is absolutely no interest in saving empty OEM strings anyway, I propose the simple and efficient fix below: we discard the empty OEM strings altogether. Signed-off-by: Jean Delvare Acked-by: Parag Warudkar Cc: Ingo Molnar Cc: Thomas Gleixner Cc: Matt Domsch Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/firmware/dmi_scan.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index de3027521bf..4072449ad1c 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -217,10 +217,6 @@ static void __init dmi_save_devices(const struct dmi_header *dm) } } -static struct dmi_device empty_oem_string_dev = { - .name = dmi_empty_string, -}; - static void __init dmi_save_oem_strings_devices(const struct dmi_header *dm) { int i, count = *(u8 *)(dm + 1); @@ -229,10 +225,8 @@ static void __init dmi_save_oem_strings_devices(const struct dmi_header *dm) for (i = 1; i <= count; i++) { char *devname = dmi_string(dm, i); - if (!strcmp(devname, dmi_empty_string)) { - list_add(&empty_oem_string_dev.list, &dmi_devices); + if (devname == dmi_empty_string) continue; - } dev = dmi_alloc(sizeof(*dev)); if (!dev) { -- cgit v1.2.3 From 0a3716eb04ccfdbef6e872a343ba7ce309237e79 Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Sat, 23 Feb 2008 16:53:44 -0500 Subject: mvsas: fix build warning, clean prototypes - Fix build 'make randconfig' build warning spotted by Toralf Foerster: drivers/scsi/mvsas.c: In function 'mvs_hexdump': drivers/scsi/mvsas.c:715: error: implicit declaration of function 'isalnum' - Remove unneeded prototypes (spotted by hch) Signed-off-by: Jeff Garzik Signed-off-by: Linus Torvalds --- drivers/scsi/mvsas.c | 13 +------------ 1 file changed, 1 insertion(+), 12 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/mvsas.c b/drivers/scsi/mvsas.c index 30e20e69715..d4a6ac3c9c4 100755 --- a/drivers/scsi/mvsas.c +++ b/drivers/scsi/mvsas.c @@ -35,6 +35,7 @@ #include #include #include +#include #include #include @@ -632,15 +633,6 @@ static int mvs_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func, void *funcdata); static u32 mvs_read_phy_ctl(struct mvs_info *mvi, u32 port); static void mvs_write_phy_ctl(struct mvs_info *mvi, u32 port, u32 val); -static u32 mvs_read_port(struct mvs_info *mvi, u32 off, u32 off2, u32 port); -static void mvs_write_port(struct mvs_info *mvi, u32 off, u32 off2, - u32 port, u32 val); -static u32 mvs_read_port_cfg_data(struct mvs_info *mvi, u32 port); -static void mvs_write_port_cfg_data(struct mvs_info *mvi, u32 port, u32 val); -static void mvs_write_port_cfg_addr(struct mvs_info *mvi, u32 port, u32 addr); -static u32 mvs_read_port_vsr_data(struct mvs_info *mvi, u32 port); -static void mvs_write_port_vsr_data(struct mvs_info *mvi, u32 port, u32 val); -static void mvs_write_port_vsr_addr(struct mvs_info *mvi, u32 port, u32 addr); static u32 mvs_read_port_irq_stat(struct mvs_info *mvi, u32 port); static void mvs_write_port_irq_stat(struct mvs_info *mvi, u32 port, u32 val); static void mvs_write_port_irq_mask(struct mvs_info *mvi, u32 port, u32 val); @@ -649,9 +641,6 @@ static u32 mvs_read_port_irq_mask(struct mvs_info *mvi, u32 port); static u32 mvs_is_phy_ready(struct mvs_info *mvi, int i); static void mvs_detect_porttype(struct mvs_info *mvi, int i); static void mvs_update_phyinfo(struct mvs_info *mvi, int i, int get_st); -static void mvs_free_reg_set(struct mvs_info *mvi, struct mvs_port *port); -static u8 mvs_assign_reg_set(struct mvs_info *mvi, struct mvs_port *port); -static u32 mvs_is_sig_fis_received(u32 irq_status); static int mvs_scan_finished(struct Scsi_Host *, unsigned long); static void mvs_scan_start(struct Scsi_Host *); -- cgit v1.2.3 From a2724e2559a3c41ac6182da6e2446d3abf0720a5 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Sat, 23 Feb 2008 19:47:44 -0800 Subject: [BNX2]: More 5706S link down workaround. The previous patches to workaround the 5706S on an HP blade were not sufficient. The link state still does not change properly in some cases. This patch adds polling to make it completely reliable. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 32 +++++++++++++++++--------------- 1 file changed, 17 insertions(+), 15 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 471c7f3e8a4..2fa25805096 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -1273,14 +1273,20 @@ bnx2_set_link(struct bnx2 *bp) if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) && (CHIP_NUM(bp) == CHIP_NUM_5706)) { - u32 val; + u32 val, an_dbg; if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) { bnx2_5706s_force_link_dn(bp, 0); bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN; } val = REG_RD(bp, BNX2_EMAC_STATUS); - if (val & BNX2_EMAC_STATUS_LINK) + + bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG); + bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg); + bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg); + + if ((val & BNX2_EMAC_STATUS_LINK) && + !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC)) bmsr |= BMSR_LSTATUS; else bmsr &= ~BMSR_LSTATUS; @@ -5390,13 +5396,6 @@ bnx2_5706_serdes_timer(struct bnx2 *bp) int check_link = 1; spin_lock(&bp->phy_lock); - if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) { - bnx2_5706s_force_link_dn(bp, 0); - bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN; - spin_unlock(&bp->phy_lock); - return; - } - if (bp->serdes_an_pending) { bp->serdes_an_pending--; check_link = 0; @@ -5420,7 +5419,6 @@ bnx2_5706_serdes_timer(struct bnx2 *bp) (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) { u32 phy2; - check_link = 0; bnx2_write_phy(bp, 0x17, 0x0f01); bnx2_read_phy(bp, 0x15, &phy2); if (phy2 & 0x20) { @@ -5435,17 +5433,21 @@ bnx2_5706_serdes_timer(struct bnx2 *bp) } else bp->current_interval = bp->timer_interval; - if (bp->link_up && (bp->autoneg & AUTONEG_SPEED) && check_link) { + if (check_link) { u32 val; bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG); bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val); bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val); - if (val & MISC_SHDW_AN_DBG_NOSYNC) { - bnx2_5706s_force_link_dn(bp, 1); - bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN; - } + if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) { + if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) { + bnx2_5706s_force_link_dn(bp, 1); + bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN; + } else + bnx2_set_link(bp); + } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC)) + bnx2_set_link(bp); } spin_unlock(&bp->phy_lock); } -- cgit v1.2.3 From 38ea3686f6d1110a3787dfd7c5cf7bad1926818b Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Sat, 23 Feb 2008 19:48:57 -0800 Subject: [BNX2]: Disable parallel detect on an HP blade. Because of some board issues, we need to disable parallel detect on an HP blade. Without this patch, the link state can become stuck when it goes into parallel detect mode. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 14 +++++++++++++- drivers/net/bnx2.h | 1 + 2 files changed, 14 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 2fa25805096..35356fba5a7 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -5362,11 +5362,15 @@ bnx2_test_intr(struct bnx2 *bp) return -ENODEV; } +/* Determining link for parallel detection. */ static int bnx2_5706_serdes_has_link(struct bnx2 *bp) { u32 mode_ctl, an_dbg, exp; + if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL) + return 0; + bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL); bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl); @@ -7328,7 +7332,15 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev) bp->flags |= BNX2_FLAG_NO_WOL; bp->wol = 0; } - if (CHIP_NUM(bp) != CHIP_NUM_5706) { + if (CHIP_NUM(bp) == CHIP_NUM_5706) { + /* Don't do parallel detect on this board because of + * some board problems. The link will not go down + * if we do parallel detect. + */ + if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP && + pdev->subsystem_device == 0x310c) + bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL; + } else { bp->phy_addr = 2; if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G) bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE; diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h index 3aa0364942e..1eaf5bb3d9c 100644 --- a/drivers/net/bnx2.h +++ b/drivers/net/bnx2.h @@ -6673,6 +6673,7 @@ struct bnx2 { #define BNX2_PHY_FLAG_DIS_EARLY_DAC 0x00000400 #define BNX2_PHY_FLAG_REMOTE_PHY_CAP 0x00000800 #define BNX2_PHY_FLAG_FORCED_DOWN 0x00001000 +#define BNX2_PHY_FLAG_NO_PARALLEL 0x00002000 u32 mii_bmcr; u32 mii_bmsr; -- cgit v1.2.3 From 42e6de0e6079f4a7ce6bd62340b1b14a1af314dc Mon Sep 17 00:00:00 2001 From: Oliver Pinter Date: Sun, 24 Feb 2008 04:33:21 +0100 Subject: fix vmsas.c file permissions Signed-off-by: Oliver Pinter Signed-off-by: Linus Torvalds --- drivers/scsi/mvsas.c | 0 1 file changed, 0 insertions(+), 0 deletions(-) mode change 100755 => 100644 drivers/scsi/mvsas.c (limited to 'drivers') diff --git a/drivers/scsi/mvsas.c b/drivers/scsi/mvsas.c old mode 100755 new mode 100644 -- cgit v1.2.3 From c73b1d1f26d4c9d54b49526edf9ee958ee5b80c1 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Sat, 23 Feb 2008 19:49:48 -0800 Subject: [BNX2]: Update version to 1.7.4. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 35356fba5a7..15853be4680 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -56,8 +56,8 @@ #define DRV_MODULE_NAME "bnx2" #define PFX DRV_MODULE_NAME ": " -#define DRV_MODULE_VERSION "1.7.3" -#define DRV_MODULE_RELDATE "January 29, 2008" +#define DRV_MODULE_VERSION "1.7.4" +#define DRV_MODULE_RELDATE "February 18, 2008" #define RUN_AT(x) (jiffies + (x)) -- cgit v1.2.3 From 759afc31332aed66bde20743e7e2d1e47b08aaeb Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Sat, 23 Feb 2008 19:51:59 -0800 Subject: tg3: ethtool phys_id default When asked to blink LEDs the tg3 driver behaves when using: ethtool -p ethX The default value for data is zero, and other drivers interpret this as blink forever (or at least a really long time). The tg3 driver interprets this as blink once. All drivers should have the same behaviour. Signed-off-by: Stephen Hemminger Acked-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/tg3.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index db606b60388..26ffb67f1da 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -8781,7 +8781,7 @@ static int tg3_phys_id(struct net_device *dev, u32 data) return -EAGAIN; if (data == 0) - data = 2; + data = UINT_MAX / 2; for (i = 0; i < (data * 2); i++) { if ((i % 2) == 0) -- cgit v1.2.3 From 038eb0ea04b245351be34b0ae76b55eee4603989 Mon Sep 17 00:00:00 2001 From: Mirco Tischler Date: Sun, 24 Feb 2008 05:16:39 +0100 Subject: Fix u132-hcd.c compile error MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This fixes the following compile error caused by commit 3a2d5b700132f35401f1d9e22fe3c2cab02c2549 ("PM: Introduce PM_EVENT_HIBERNATE callback state") CC [M] drivers/usb/host/u132-hcd.o drivers/usb/host/u132-hcd.c: In function ‘u132_suspend’: drivers/usb/host/u132-hcd.c:3224: error: expected expression before ‘int’ drivers/usb/host/u132-hcd.c:3225: error: ‘ports’ undeclared (first use in this function) ... Signed-off-by: Mirco Tischler Signed-off-by: Linus Torvalds --- drivers/usb/host/u132-hcd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index 6fca0696155..3033d694520 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -3213,7 +3213,7 @@ static int u132_suspend(struct platform_device *pdev, pm_message_t state) dev_err(&u132->platform_dev->dev, "device is being removed\n"); return -ESHUTDOWN; } else { - int retval = 0; + int retval = 0, ports; switch (state.event) { case PM_EVENT_FREEZE: @@ -3221,7 +3221,7 @@ static int u132_suspend(struct platform_device *pdev, pm_message_t state) break; case PM_EVENT_SUSPEND: case PM_EVENT_HIBERNATE: - int ports = MAX_U132_PORTS; + ports = MAX_U132_PORTS; while (ports-- > 0) { port_power(u132, ports, 0); } -- cgit v1.2.3 From 21eee2dd1b5702f15924f18f923b2a281f0e72e8 Mon Sep 17 00:00:00 2001 From: Thomas Klein Date: Wed, 13 Feb 2008 16:18:33 +0100 Subject: ehea: add kdump support This patch adds kdump support to the ehea driver. As the firmware doesn't free resource handles automatically, the driver has to run an as simple as possible free resource function in case of a crash shutdown. The function iterates over two arrays freeing all resource handles which are stored there. The arrays are kept up-to-date during normal runtime. The crash handler fn is triggered by the recently introduced PPC crash shutdown reg/unreg functions. Signed-off-by: Thomas Klein Signed-off-by: Jeff Garzik --- drivers/net/ehea/ehea.h | 34 +++++- drivers/net/ehea/ehea_main.c | 281 +++++++++++++++++++++++++++++++++++++++---- 2 files changed, 290 insertions(+), 25 deletions(-) (limited to 'drivers') diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h index 88fb53eba71..7c4ead35cfa 100644 --- a/drivers/net/ehea/ehea.h +++ b/drivers/net/ehea/ehea.h @@ -40,7 +40,7 @@ #include #define DRV_NAME "ehea" -#define DRV_VERSION "EHEA_0083" +#define DRV_VERSION "EHEA_0087" /* eHEA capability flags */ #define DLPAR_PORT_ADD_REM 1 @@ -386,6 +386,13 @@ struct ehea_port_res { #define EHEA_MAX_PORTS 16 + +#define EHEA_NUM_PORTRES_FW_HANDLES 6 /* QP handle, SendCQ handle, + RecvCQ handle, EQ handle, + SendMR handle, RecvMR handle */ +#define EHEA_NUM_PORT_FW_HANDLES 1 /* EQ handle */ +#define EHEA_NUM_ADAPTER_FW_HANDLES 2 /* MR handle, NEQ handle */ + struct ehea_adapter { u64 handle; struct of_device *ofdev; @@ -405,6 +412,31 @@ struct ehea_mc_list { u64 macaddr; }; +/* kdump support */ +struct ehea_fw_handle_entry { + u64 adh; /* Adapter Handle */ + u64 fwh; /* Firmware Handle */ +}; + +struct ehea_fw_handle_array { + struct ehea_fw_handle_entry *arr; + int num_entries; + struct semaphore lock; +}; + +struct ehea_bcmc_reg_entry { + u64 adh; /* Adapter Handle */ + u32 port_id; /* Logical Port Id */ + u8 reg_type; /* Registration Type */ + u64 macaddr; +}; + +struct ehea_bcmc_reg_array { + struct ehea_bcmc_reg_entry *arr; + int num_entries; + struct semaphore lock; +}; + #define EHEA_PORT_UP 1 #define EHEA_PORT_DOWN 0 #define EHEA_PHY_LINK_UP 1 diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c index c051c7e09b9..21af674b764 100644 --- a/drivers/net/ehea/ehea_main.c +++ b/drivers/net/ehea/ehea_main.c @@ -35,6 +35,7 @@ #include #include #include +#include #include @@ -98,8 +99,10 @@ static int port_name_cnt; static LIST_HEAD(adapter_list); u64 ehea_driver_flags; struct work_struct ehea_rereg_mr_task; - struct semaphore dlpar_mem_lock; +struct ehea_fw_handle_array ehea_fw_handles; +struct ehea_bcmc_reg_array ehea_bcmc_regs; + static int __devinit ehea_probe_adapter(struct of_device *dev, const struct of_device_id *id); @@ -132,6 +135,160 @@ void ehea_dump(void *adr, int len, char *msg) } } +static void ehea_update_firmware_handles(void) +{ + struct ehea_fw_handle_entry *arr = NULL; + struct ehea_adapter *adapter; + int num_adapters = 0; + int num_ports = 0; + int num_portres = 0; + int i = 0; + int num_fw_handles, k, l; + + /* Determine number of handles */ + list_for_each_entry(adapter, &adapter_list, list) { + num_adapters++; + + for (k = 0; k < EHEA_MAX_PORTS; k++) { + struct ehea_port *port = adapter->port[k]; + + if (!port || (port->state != EHEA_PORT_UP)) + continue; + + num_ports++; + num_portres += port->num_def_qps + port->num_add_tx_qps; + } + } + + num_fw_handles = num_adapters * EHEA_NUM_ADAPTER_FW_HANDLES + + num_ports * EHEA_NUM_PORT_FW_HANDLES + + num_portres * EHEA_NUM_PORTRES_FW_HANDLES; + + if (num_fw_handles) { + arr = kzalloc(num_fw_handles * sizeof(*arr), GFP_KERNEL); + if (!arr) + return; /* Keep the existing array */ + } else + goto out_update; + + list_for_each_entry(adapter, &adapter_list, list) { + for (k = 0; k < EHEA_MAX_PORTS; k++) { + struct ehea_port *port = adapter->port[k]; + + if (!port || (port->state != EHEA_PORT_UP)) + continue; + + for (l = 0; + l < port->num_def_qps + port->num_add_tx_qps; + l++) { + struct ehea_port_res *pr = &port->port_res[l]; + + arr[i].adh = adapter->handle; + arr[i++].fwh = pr->qp->fw_handle; + arr[i].adh = adapter->handle; + arr[i++].fwh = pr->send_cq->fw_handle; + arr[i].adh = adapter->handle; + arr[i++].fwh = pr->recv_cq->fw_handle; + arr[i].adh = adapter->handle; + arr[i++].fwh = pr->eq->fw_handle; + arr[i].adh = adapter->handle; + arr[i++].fwh = pr->send_mr.handle; + arr[i].adh = adapter->handle; + arr[i++].fwh = pr->recv_mr.handle; + } + arr[i].adh = adapter->handle; + arr[i++].fwh = port->qp_eq->fw_handle; + } + + arr[i].adh = adapter->handle; + arr[i++].fwh = adapter->neq->fw_handle; + + if (adapter->mr.handle) { + arr[i].adh = adapter->handle; + arr[i++].fwh = adapter->mr.handle; + } + } + +out_update: + kfree(ehea_fw_handles.arr); + ehea_fw_handles.arr = arr; + ehea_fw_handles.num_entries = i; +} + +static void ehea_update_bcmc_registrations(void) +{ + struct ehea_bcmc_reg_entry *arr = NULL; + struct ehea_adapter *adapter; + struct ehea_mc_list *mc_entry; + int num_registrations = 0; + int i = 0; + int k; + + /* Determine number of registrations */ + list_for_each_entry(adapter, &adapter_list, list) + for (k = 0; k < EHEA_MAX_PORTS; k++) { + struct ehea_port *port = adapter->port[k]; + + if (!port || (port->state != EHEA_PORT_UP)) + continue; + + num_registrations += 2; /* Broadcast registrations */ + + list_for_each_entry(mc_entry, &port->mc_list->list,list) + num_registrations += 2; + } + + if (num_registrations) { + arr = kzalloc(num_registrations * sizeof(*arr), GFP_KERNEL); + if (!arr) + return; /* Keep the existing array */ + } else + goto out_update; + + list_for_each_entry(adapter, &adapter_list, list) { + for (k = 0; k < EHEA_MAX_PORTS; k++) { + struct ehea_port *port = adapter->port[k]; + + if (!port || (port->state != EHEA_PORT_UP)) + continue; + + arr[i].adh = adapter->handle; + arr[i].port_id = port->logical_port_id; + arr[i].reg_type = EHEA_BCMC_BROADCAST | + EHEA_BCMC_UNTAGGED; + arr[i++].macaddr = port->mac_addr; + + arr[i].adh = adapter->handle; + arr[i].port_id = port->logical_port_id; + arr[i].reg_type = EHEA_BCMC_BROADCAST | + EHEA_BCMC_VLANID_ALL; + arr[i++].macaddr = port->mac_addr; + + list_for_each_entry(mc_entry, + &port->mc_list->list, list) { + arr[i].adh = adapter->handle; + arr[i].port_id = port->logical_port_id; + arr[i].reg_type = EHEA_BCMC_SCOPE_ALL | + EHEA_BCMC_MULTICAST | + EHEA_BCMC_UNTAGGED; + arr[i++].macaddr = mc_entry->macaddr; + + arr[i].adh = adapter->handle; + arr[i].port_id = port->logical_port_id; + arr[i].reg_type = EHEA_BCMC_SCOPE_ALL | + EHEA_BCMC_MULTICAST | + EHEA_BCMC_VLANID_ALL; + arr[i++].macaddr = mc_entry->macaddr; + } + } + } + +out_update: + kfree(ehea_bcmc_regs.arr); + ehea_bcmc_regs.arr = arr; + ehea_bcmc_regs.num_entries = i; +} + static struct net_device_stats *ehea_get_stats(struct net_device *dev) { struct ehea_port *port = netdev_priv(dev); @@ -1601,19 +1758,25 @@ static int ehea_set_mac_addr(struct net_device *dev, void *sa) memcpy(dev->dev_addr, mac_addr->sa_data, dev->addr_len); + down(&ehea_bcmc_regs.lock); + /* Deregister old MAC in pHYP */ ret = ehea_broadcast_reg_helper(port, H_DEREG_BCMC); if (ret) - goto out_free; + goto out_upregs; port->mac_addr = cb0->port_mac_addr << 16; /* Register new MAC in pHYP */ ret = ehea_broadcast_reg_helper(port, H_REG_BCMC); if (ret) - goto out_free; + goto out_upregs; ret = 0; + +out_upregs: + ehea_update_bcmc_registrations(); + up(&ehea_bcmc_regs.lock); out_free: kfree(cb0); out: @@ -1775,9 +1938,11 @@ static void ehea_set_multicast_list(struct net_device *dev) } ehea_promiscuous(dev, 0); + down(&ehea_bcmc_regs.lock); + if (dev->flags & IFF_ALLMULTI) { ehea_allmulti(dev, 1); - return; + goto out; } ehea_allmulti(dev, 0); @@ -1803,6 +1968,8 @@ static void ehea_set_multicast_list(struct net_device *dev) } out: + ehea_update_bcmc_registrations(); + up(&ehea_bcmc_regs.lock); return; } @@ -2285,6 +2452,8 @@ static int ehea_up(struct net_device *dev) if (port->state == EHEA_PORT_UP) return 0; + down(&ehea_fw_handles.lock); + ret = ehea_port_res_setup(port, port->num_def_qps, port->num_add_tx_qps); if (ret) { @@ -2321,8 +2490,17 @@ static int ehea_up(struct net_device *dev) } } - ret = 0; + down(&ehea_bcmc_regs.lock); + + ret = ehea_broadcast_reg_helper(port, H_REG_BCMC); + if (ret) { + ret = -EIO; + goto out_free_irqs; + } + port->state = EHEA_PORT_UP; + + ret = 0; goto out; out_free_irqs: @@ -2334,6 +2512,12 @@ out: if (ret) ehea_info("Failed starting %s. ret=%i", dev->name, ret); + ehea_update_bcmc_registrations(); + up(&ehea_bcmc_regs.lock); + + ehea_update_firmware_handles(); + up(&ehea_fw_handles.lock); + return ret; } @@ -2382,16 +2566,27 @@ static int ehea_down(struct net_device *dev) if (port->state == EHEA_PORT_DOWN) return 0; + down(&ehea_bcmc_regs.lock); ehea_drop_multicast_list(dev); + ehea_broadcast_reg_helper(port, H_DEREG_BCMC); + ehea_free_interrupts(dev); + down(&ehea_fw_handles.lock); + port->state = EHEA_PORT_DOWN; + ehea_update_bcmc_registrations(); + up(&ehea_bcmc_regs.lock); + ret = ehea_clean_all_portres(port); if (ret) ehea_info("Failed freeing resources for %s. ret=%i", dev->name, ret); + ehea_update_firmware_handles(); + up(&ehea_fw_handles.lock); + return ret; } @@ -2920,19 +3115,12 @@ struct ehea_port *ehea_setup_single_port(struct ehea_adapter *adapter, dev->watchdog_timeo = EHEA_WATCH_DOG_TIMEOUT; INIT_WORK(&port->reset_task, ehea_reset_port); - - ret = ehea_broadcast_reg_helper(port, H_REG_BCMC); - if (ret) { - ret = -EIO; - goto out_unreg_port; - } - ehea_set_ethtool_ops(dev); ret = register_netdev(dev); if (ret) { ehea_error("register_netdev failed. ret=%d", ret); - goto out_dereg_bc; + goto out_unreg_port; } port->lro_max_aggr = lro_max_aggr; @@ -2949,9 +3137,6 @@ struct ehea_port *ehea_setup_single_port(struct ehea_adapter *adapter, return port; -out_dereg_bc: - ehea_broadcast_reg_helper(port, H_DEREG_BCMC); - out_unreg_port: ehea_unregister_port(port); @@ -2971,7 +3156,6 @@ static void ehea_shutdown_single_port(struct ehea_port *port) { unregister_netdev(port->netdev); ehea_unregister_port(port); - ehea_broadcast_reg_helper(port, H_DEREG_BCMC); kfree(port->mc_list); free_netdev(port->netdev); port->adapter->active_ports--; @@ -3014,7 +3198,6 @@ static int ehea_setup_ports(struct ehea_adapter *adapter) i++; }; - return 0; } @@ -3159,6 +3342,7 @@ static int __devinit ehea_probe_adapter(struct of_device *dev, ehea_error("Invalid ibmebus device probed"); return -EINVAL; } + down(&ehea_fw_handles.lock); adapter = kzalloc(sizeof(*adapter), GFP_KERNEL); if (!adapter) { @@ -3239,7 +3423,10 @@ out_kill_eq: out_free_ad: kfree(adapter); + out: + ehea_update_firmware_handles(); + up(&ehea_fw_handles.lock); return ret; } @@ -3258,18 +3445,41 @@ static int __devexit ehea_remove(struct of_device *dev) flush_scheduled_work(); + down(&ehea_fw_handles.lock); + ibmebus_free_irq(adapter->neq->attr.ist1, adapter); tasklet_kill(&adapter->neq_tasklet); ehea_destroy_eq(adapter->neq); ehea_remove_adapter_mr(adapter); list_del(&adapter->list); - kfree(adapter); + ehea_update_firmware_handles(); + up(&ehea_fw_handles.lock); + return 0; } +void ehea_crash_handler(void) +{ + int i; + + if (ehea_fw_handles.arr) + for (i = 0; i < ehea_fw_handles.num_entries; i++) + ehea_h_free_resource(ehea_fw_handles.arr[i].adh, + ehea_fw_handles.arr[i].fwh, + FORCE_FREE); + + if (ehea_bcmc_regs.arr) + for (i = 0; i < ehea_bcmc_regs.num_entries; i++) + ehea_h_reg_dereg_bcmc(ehea_bcmc_regs.arr[i].adh, + ehea_bcmc_regs.arr[i].port_id, + ehea_bcmc_regs.arr[i].reg_type, + ehea_bcmc_regs.arr[i].macaddr, + 0, H_DEREG_BCMC); +} + static int ehea_reboot_notifier(struct notifier_block *nb, unsigned long action, void *unused) { @@ -3330,7 +3540,12 @@ int __init ehea_module_init(void) INIT_WORK(&ehea_rereg_mr_task, ehea_rereg_mrs); + memset(&ehea_fw_handles, 0, sizeof(ehea_fw_handles)); + memset(&ehea_bcmc_regs, 0, sizeof(ehea_bcmc_regs)); + sema_init(&dlpar_mem_lock, 1); + sema_init(&ehea_fw_handles.lock, 1); + sema_init(&ehea_bcmc_regs.lock, 1); ret = check_module_parm(); if (ret) @@ -3340,12 +3555,18 @@ int __init ehea_module_init(void) if (ret) goto out; - register_reboot_notifier(&ehea_reboot_nb); + ret = register_reboot_notifier(&ehea_reboot_nb); + if (ret) + ehea_info("failed registering reboot notifier"); + + ret = crash_shutdown_register(&ehea_crash_handler); + if (ret) + ehea_info("failed registering crash handler"); ret = ibmebus_register_driver(&ehea_driver); if (ret) { ehea_error("failed registering eHEA device driver on ebus"); - goto out; + goto out2; } ret = driver_create_file(&ehea_driver.driver, @@ -3353,21 +3574,33 @@ int __init ehea_module_init(void) if (ret) { ehea_error("failed to register capabilities attribute, ret=%d", ret); - unregister_reboot_notifier(&ehea_reboot_nb); - ibmebus_unregister_driver(&ehea_driver); - goto out; + goto out3; } + return ret; + +out3: + ibmebus_unregister_driver(&ehea_driver); +out2: + unregister_reboot_notifier(&ehea_reboot_nb); + crash_shutdown_unregister(&ehea_crash_handler); out: return ret; } static void __exit ehea_module_exit(void) { + int ret; + flush_scheduled_work(); driver_remove_file(&ehea_driver.driver, &driver_attr_capabilities); ibmebus_unregister_driver(&ehea_driver); unregister_reboot_notifier(&ehea_reboot_nb); + ret = crash_shutdown_unregister(&ehea_crash_handler); + if (ret) + ehea_info("failed unregistering crash handler"); + kfree(ehea_fw_handles.arr); + kfree(ehea_bcmc_regs.arr); ehea_destroy_busmap(); } -- cgit v1.2.3 From 5bd3670f31f1c58f500e55c4cdbc243fb4b2e3df Mon Sep 17 00:00:00 2001 From: Scott Wood Date: Fri, 15 Feb 2008 15:08:04 -0600 Subject: fs_enet: Don't call phy_mii_ioctl() in atomic context. The lock acquisition in fs_ioctl() does not appear to actually be necessary, and thus is simply removed. Signed-off-by: Scott Wood Signed-off-by: Jeff Garzik --- drivers/net/fs_enet/fs_enet-main.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/net/fs_enet/fs_enet-main.c b/drivers/net/fs_enet/fs_enet-main.c index 42d94edeee2..af869cf9ae7 100644 --- a/drivers/net/fs_enet/fs_enet-main.c +++ b/drivers/net/fs_enet/fs_enet-main.c @@ -946,16 +946,11 @@ static int fs_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { struct fs_enet_private *fep = netdev_priv(dev); struct mii_ioctl_data *mii = (struct mii_ioctl_data *)&rq->ifr_data; - unsigned long flags; - int rc; if (!netif_running(dev)) return -EINVAL; - spin_lock_irqsave(&fep->lock, flags); - rc = phy_mii_ioctl(fep->phydev, mii, cmd); - spin_unlock_irqrestore(&fep->lock, flags); - return rc; + return phy_mii_ioctl(fep->phydev, mii, cmd); } extern int fs_mii_connect(struct net_device *dev); -- cgit v1.2.3 From 6cb5e57701d355737f0bc9f94c0f80ed69a95b62 Mon Sep 17 00:00:00 2001 From: Andy Gospodarek Date: Fri, 15 Feb 2008 14:05:25 -0800 Subject: igb: fix legacy mode irq issue I booted an igb kernel with the option pci=nomsi and instantly noticed that interrupts no longer worked on my igb device. I took a look at the interrupt initialization and quickly discovered a comment stating: "DO NOT USE EIAME or IAME in legacy mode" It seemed a bit odd that bits to enable IAM were being set in legacy interrupt mode, so I dropped out the following parts and interrupts began working fine again. [Updated code flow and a nitpick spelling error --Auke] Signed-off-by: Andy Gospodarek Signed-off-by: Auke Kok Signed-off-by: Jeff Garzik --- drivers/net/igb/igb_main.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index bff280eff5e..3480cc72467 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -439,7 +439,7 @@ static int igb_request_irq(struct igb_adapter *adapter) err = igb_request_msix(adapter); if (!err) { /* enable IAM, auto-mask, - * DO NOT USE EIAME or IAME in legacy mode */ + * DO NOT USE EIAM or IAM in legacy mode */ wr32(E1000_IAM, IMS_ENABLE_MASK); goto request_done; } @@ -465,14 +465,9 @@ static int igb_request_irq(struct igb_adapter *adapter) err = request_irq(adapter->pdev->irq, &igb_intr, IRQF_SHARED, netdev->name, netdev); - if (err) { + if (err) dev_err(&adapter->pdev->dev, "Error %d getting interrupt\n", err); - goto request_done; - } - - /* enable IAM, auto-mask */ - wr32(E1000_IAM, IMS_ENABLE_MASK); request_done: return err; -- cgit v1.2.3 From 7a7d23dac29825a75e375800573d53e49d864a42 Mon Sep 17 00:00:00 2001 From: Grant Grundler Date: Sun, 17 Feb 2008 11:30:23 -0700 Subject: uli526x partially recognizing interface Patch fixes: http://bugzilla.kernel.org/show_bug.cgi?id=5839 Init sequence needs to poll phy until phy reset is complete. This is the same problem that I fixed in 2002 in tulip driver. Thanks to manty@manty.net for testing this patch. Thanks to Pozsar Balazs for posting/testing a similar patch before: http://lkml.org/lkml/2006/8/21/45 Signed-off-by: Grant Grundler Signed-off-by: Jeff Garzik --- drivers/net/tulip/uli526x.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/tulip/uli526x.c b/drivers/net/tulip/uli526x.c index a7afeea156b..a59c1f224aa 100644 --- a/drivers/net/tulip/uli526x.c +++ b/drivers/net/tulip/uli526x.c @@ -482,9 +482,11 @@ static void uli526x_init(struct net_device *dev) struct uli526x_board_info *db = netdev_priv(dev); unsigned long ioaddr = db->ioaddr; u8 phy_tmp; + u8 timeout; u16 phy_value; u16 phy_reg_reset; + ULI526X_DBUG(0, "uli526x_init()", 0); /* Reset M526x MAC controller */ @@ -509,11 +511,19 @@ static void uli526x_init(struct net_device *dev) /* Parser SROM and media mode */ db->media_mode = uli526x_media_mode; - /* Phyxcer capability setting */ + /* phyxcer capability setting */ phy_reg_reset = phy_read(db->ioaddr, db->phy_addr, 0, db->chip_id); phy_reg_reset = (phy_reg_reset | 0x8000); phy_write(db->ioaddr, db->phy_addr, 0, phy_reg_reset, db->chip_id); + + /* See IEEE 802.3-2002.pdf (Section 2, Chapter "22.2.4 Management + * functions") or phy data sheet for details on phy reset + */ udelay(500); + timeout = 10; + while (timeout-- && + phy_read(db->ioaddr, db->phy_addr, 0, db->chip_id) & 0x8000) + udelay(100); /* Process Phyxcer Media Mode */ uli526x_set_phyxcer(db); -- cgit v1.2.3 From d9d5dcc88ca5c72237e2d09d23a13a9b9d1e7445 Mon Sep 17 00:00:00 2001 From: Christian Borntraeger Date: Mon, 18 Feb 2008 10:02:51 +0100 Subject: virtio_net: Fix oops on early interrupts - introduced by virtio reset code Signed-off-by: Jeff Garzik --- drivers/net/virtio_net.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index fdc23678117..19fd4cb0ddf 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -361,6 +361,7 @@ static int virtnet_probe(struct virtio_device *vdev) netif_napi_add(dev, &vi->napi, virtnet_poll, napi_weight); vi->dev = dev; vi->vdev = vdev; + vdev->priv = vi; /* We expect two virtqueues, receive then send. */ vi->rvq = vdev->config->find_vq(vdev, 0, skb_recv_done); @@ -395,7 +396,6 @@ static int virtnet_probe(struct virtio_device *vdev) } pr_debug("virtnet: registered device %s\n", dev->name); - vdev->priv = vi; return 0; unregister: -- cgit v1.2.3 From a80763c9090fe03a1af98f0106b2aaa4ad6502f9 Mon Sep 17 00:00:00 2001 From: Leonardo Potenza Date: Sun, 17 Feb 2008 18:23:15 +0100 Subject: drivers/net/cs89x0.c: compilation warning fix Suppress the warning message about the 'netcard_portlist' defined but not used. Signed-off-by: Leonardo Potenza Signed-off-by: Jeff Garzik --- drivers/net/cs89x0.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c index 57175097513..348371fda59 100644 --- a/drivers/net/cs89x0.c +++ b/drivers/net/cs89x0.c @@ -172,30 +172,30 @@ static char version[] __initdata = them to system IRQ numbers. This mapping is card specific and is set to the configuration of the Cirrus Eval board for this chip. */ #ifdef CONFIG_ARCH_CLPS7500 -static unsigned int netcard_portlist[] __initdata = +static unsigned int netcard_portlist[] __used __initdata = { 0x80090303, 0x300, 0x320, 0x340, 0x360, 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 0}; static unsigned int cs8900_irq_map[] = {12,0,0,0}; #elif defined(CONFIG_SH_HICOSH4) -static unsigned int netcard_portlist[] __initdata = +static unsigned int netcard_portlist[] __used __initdata = { 0x0300, 0}; static unsigned int cs8900_irq_map[] = {1,0,0,0}; #elif defined(CONFIG_MACH_IXDP2351) -static unsigned int netcard_portlist[] __initdata = {IXDP2351_VIRT_CS8900_BASE, 0}; +static unsigned int netcard_portlist[] __used __initdata = {IXDP2351_VIRT_CS8900_BASE, 0}; static unsigned int cs8900_irq_map[] = {IRQ_IXDP2351_CS8900, 0, 0, 0}; #include #elif defined(CONFIG_ARCH_IXDP2X01) #include -static unsigned int netcard_portlist[] __initdata = {IXDP2X01_CS8900_VIRT_BASE, 0}; +static unsigned int netcard_portlist[] __used __initdata = {IXDP2X01_CS8900_VIRT_BASE, 0}; static unsigned int cs8900_irq_map[] = {IRQ_IXDP2X01_CS8900, 0, 0, 0}; #elif defined(CONFIG_ARCH_PNX010X) #include #include #define CIRRUS_DEFAULT_BASE IO_ADDRESS(EXT_STATIC2_s0_BASE + 0x200000) /* = Physical address 0x48200000 */ #define CIRRUS_DEFAULT_IRQ VH_INTC_INT_NUM_CASCADED_INTERRUPT_1 /* Event inputs bank 1 - ID 35/bit 3 */ -static unsigned int netcard_portlist[] __initdata = {CIRRUS_DEFAULT_BASE, 0}; +static unsigned int netcard_portlist[] __used __initdata = {CIRRUS_DEFAULT_BASE, 0}; static unsigned int cs8900_irq_map[] = {CIRRUS_DEFAULT_IRQ, 0, 0, 0}; #else -static unsigned int netcard_portlist[] __initdata = +static unsigned int netcard_portlist[] __used __initdata = { 0x300, 0x320, 0x340, 0x360, 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 0}; static unsigned int cs8900_irq_map[] = {10,11,12,5}; #endif -- cgit v1.2.3 From 61da96be07ec860e260ca4af0199b9d48d000b80 Mon Sep 17 00:00:00 2001 From: Komuro Date: Mon, 18 Feb 2008 22:06:19 +0900 Subject: pcnet_cs: if AX88190-based card, printk "use axnet_cs instead" message. * If ConfigBase is 0x03c0 && manfid is (0x0149,0xc1ab), printk "use axnet_cs instead" message. Actually, most of the card with manfid(0x0149, 0xc1ab) use pcnet_cs driver. * remove entry (0x021b, 0x0202) Signed-off-by: Komuro Signed-off-by: Jeff Garzik --- drivers/net/pcmcia/pcnet_cs.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c index 6323988dfa1..fd8158a86f6 100644 --- a/drivers/net/pcmcia/pcnet_cs.c +++ b/drivers/net/pcmcia/pcnet_cs.c @@ -590,6 +590,13 @@ static int pcnet_config(struct pcmcia_device *link) dev->if_port = 0; } + if ((link->conf.ConfigBase == 0x03c0) + && (link->manf_id == 0x149) && (link->card_id = 0xc1ab)) { + printk(KERN_INFO "pcnet_cs: this is an AX88190 card!\n"); + printk(KERN_INFO "pcnet_cs: use axnet_cs instead.\n"); + goto failed; + } + local_hw_info = get_hwinfo(link); if (local_hw_info == NULL) local_hw_info = get_prom(link); @@ -1567,12 +1574,11 @@ static struct pcmcia_device_id pcnet_ids[] = { PCMCIA_DEVICE_MANF_CARD(0x0104, 0x0145), PCMCIA_DEVICE_MANF_CARD(0x0149, 0x0230), PCMCIA_DEVICE_MANF_CARD(0x0149, 0x4530), -/* PCMCIA_DEVICE_MANF_CARD(0x0149, 0xc1ab), conflict with axnet_cs */ + PCMCIA_DEVICE_MANF_CARD(0x0149, 0xc1ab), PCMCIA_DEVICE_MANF_CARD(0x0186, 0x0110), PCMCIA_DEVICE_MANF_CARD(0x01bf, 0x2328), PCMCIA_DEVICE_MANF_CARD(0x01bf, 0x8041), PCMCIA_DEVICE_MANF_CARD(0x0213, 0x2452), -/* PCMCIA_DEVICE_MANF_CARD(0x021b, 0x0202), conflict with axnet_cs */ PCMCIA_DEVICE_MANF_CARD(0x026f, 0x0300), PCMCIA_DEVICE_MANF_CARD(0x026f, 0x0307), PCMCIA_DEVICE_MANF_CARD(0x026f, 0x030a), -- cgit v1.2.3 From f5154fbf4902744cdd2bb7548487ceaac9840fd2 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Mon, 18 Feb 2008 14:41:55 +0100 Subject: claw: make use of DIV_ROUND_UP The kernel.h macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) / (d)) but is perhaps more readable. Signed-off-by: Ursula Braun Signed-off-by: Jeff Garzik --- drivers/s390/net/claw.c | 39 ++++++++++++++++++--------------------- 1 file changed, 18 insertions(+), 21 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c index c3076217871..d8a5c229c5a 100644 --- a/drivers/s390/net/claw.c +++ b/drivers/s390/net/claw.c @@ -1851,8 +1851,7 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid) } } /* See how many write buffers are required to hold this data */ - numBuffers= ( skb->len + privptr->p_env->write_size - 1) / - ( privptr->p_env->write_size); + numBuffers = DIV_ROUND_UP(skb->len, privptr->p_env->write_size); /* If that number of buffers isn't available, give up for now */ if (privptr->write_free_count < numBuffers || @@ -2114,8 +2113,7 @@ init_ccw_bk(struct net_device *dev) */ ccw_blocks_perpage= PAGE_SIZE / CCWBK_SIZE; ccw_pages_required= - (ccw_blocks_required+ccw_blocks_perpage -1) / - ccw_blocks_perpage; + DIV_ROUND_UP(ccw_blocks_required, ccw_blocks_perpage); #ifdef DEBUGMSG printk(KERN_INFO "%s: %s() > ccw_blocks_perpage=%d\n", @@ -2131,30 +2129,29 @@ init_ccw_bk(struct net_device *dev) * provide good performance. With packing buffers support 32k * buffers are used. */ - if (privptr->p_env->read_size < PAGE_SIZE) { - claw_reads_perpage= PAGE_SIZE / privptr->p_env->read_size; - claw_read_pages= (privptr->p_env->read_buffers + - claw_reads_perpage -1) / claw_reads_perpage; + if (privptr->p_env->read_size < PAGE_SIZE) { + claw_reads_perpage = PAGE_SIZE / privptr->p_env->read_size; + claw_read_pages = DIV_ROUND_UP(privptr->p_env->read_buffers, + claw_reads_perpage); } else { /* > or equal */ - privptr->p_buff_pages_perread= - (privptr->p_env->read_size + PAGE_SIZE - 1) / PAGE_SIZE; - claw_read_pages= - privptr->p_env->read_buffers * privptr->p_buff_pages_perread; + privptr->p_buff_pages_perread = + DIV_ROUND_UP(privptr->p_env->read_size, PAGE_SIZE); + claw_read_pages = privptr->p_env->read_buffers * + privptr->p_buff_pages_perread; } if (privptr->p_env->write_size < PAGE_SIZE) { - claw_writes_perpage= - PAGE_SIZE / privptr->p_env->write_size; - claw_write_pages= - (privptr->p_env->write_buffers + claw_writes_perpage -1) / - claw_writes_perpage; + claw_writes_perpage = + PAGE_SIZE / privptr->p_env->write_size; + claw_write_pages = DIV_ROUND_UP(privptr->p_env->write_buffers, + claw_writes_perpage); } else { /* > or equal */ - privptr->p_buff_pages_perwrite= - (privptr->p_env->read_size + PAGE_SIZE - 1) / PAGE_SIZE; - claw_write_pages= - privptr->p_env->write_buffers * privptr->p_buff_pages_perwrite; + privptr->p_buff_pages_perwrite = + DIV_ROUND_UP(privptr->p_env->read_size, PAGE_SIZE); + claw_write_pages = privptr->p_env->write_buffers * + privptr->p_buff_pages_perwrite; } #ifdef DEBUGMSG if (privptr->p_env->read_size < PAGE_SIZE) { -- cgit v1.2.3 From 98e0f521456943801aacc7a4c0efb5b3bb6f89e0 Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Mon, 18 Feb 2008 10:04:38 -0800 Subject: tlan: add static to function definitions The forward declarations were already marked static, make the definitions be static as well. Fixes the sparse warnings as well. drivers/net/tlan.c:1403:5: warning: symbol 'TLan_HandleInvalid' was not declared. Should it be static? drivers/net/tlan.c:1435:5: warning: symbol 'TLan_HandleTxEOF' was not declared. Should it be static? drivers/net/tlan.c:1521:5: warning: symbol 'TLan_HandleStatOverflow' was not declared. Should it be static? drivers/net/tlan.c:1557:5: warning: symbol 'TLan_HandleRxEOF' was not declared. Should it be static? drivers/net/tlan.c:1692:5: warning: symbol 'TLan_HandleDummy' was not declared. Should it be static? drivers/net/tlan.c:1722:5: warning: symbol 'TLan_HandleTxEOC' was not declared. Should it be static? drivers/net/tlan.c:1770:5: warning: symbol 'TLan_HandleStatusCheck' was not declared. Should it be static? drivers/net/tlan.c:1845:5: warning: symbol 'TLan_HandleRxEOC' was not declared. Should it be static? drivers/net/tlan.c:1905:6: warning: symbol 'TLan_Timer' was not declared. Should it be static? drivers/net/tlan.c:1986:6: warning: symbol 'TLan_ResetLists' was not declared. Should it be static? drivers/net/tlan.c:2046:6: warning: symbol 'TLan_FreeLists' was not declared. Should it be static? drivers/net/tlan.c:2095:6: warning: symbol 'TLan_PrintDio' was not declared. Should it be static? drivers/net/tlan.c:2130:6: warning: symbol 'TLan_PrintList' was not declared. Should it be static? drivers/net/tlan.c:2166:6: warning: symbol 'TLan_ReadAndClearStats' was not declared. Should it be static? drivers/net/tlan.c:2242:1: warning: symbol 'TLan_ResetAdapter' was not declared. Should it be static? drivers/net/tlan.c:2328:1: warning: symbol 'TLan_FinishReset' was not declared. Should it be static? drivers/net/tlan.c:2451:6: warning: symbol 'TLan_SetMac' was not declared. Should it be static? drivers/net/tlan.c:2493:6: warning: symbol 'TLan_PhyPrint' was not declared. Should it be static? drivers/net/tlan.c:2542:6: warning: symbol 'TLan_PhyDetect' was not declared. Should it be static? drivers/net/tlan.c:2589:6: warning: symbol 'TLan_PhyPowerDown' was not declared. Should it be static? drivers/net/tlan.c:2614:6: warning: symbol 'TLan_PhyPowerUp' was not declared. Should it be static? drivers/net/tlan.c:2635:6: warning: symbol 'TLan_PhyReset' was not declared. Should it be static? drivers/net/tlan.c:2663:6: warning: symbol 'TLan_PhyStartLink' was not declared. Should it be static? drivers/net/tlan.c:2750:6: warning: symbol 'TLan_PhyFinishAutoNeg' was not declared. Should it be static? drivers/net/tlan.c:2906:5: warning: symbol 'TLan_MiiReadReg' was not declared. Should it be static? drivers/net/tlan.c:2996:6: warning: symbol 'TLan_MiiSendData' was not declared. Should it be static? drivers/net/tlan.c:3038:6: warning: symbol 'TLan_MiiSync' was not declared. Should it be static? drivers/net/tlan.c:3077:6: warning: symbol 'TLan_MiiWriteReg' was not declared. Should it be static? drivers/net/tlan.c:3147:6: warning: symbol 'TLan_EeSendStart' was not declared. Should it be static? drivers/net/tlan.c:3187:5: warning: symbol 'TLan_EeSendByte' was not declared. Should it be static? drivers/net/tlan.c:3248:6: warning: symbol 'TLan_EeReceiveByte' was not declared. Should it be static? drivers/net/tlan.c:3306:5: warning: symbol 'TLan_EeReadByte' was not declared. Should it be static? Signed-off-by: Harvey Harrison Signed-off-by: Jeff Garzik --- drivers/net/tlan.c | 64 +++++++++++++++++++++++++++--------------------------- 1 file changed, 32 insertions(+), 32 deletions(-) (limited to 'drivers') diff --git a/drivers/net/tlan.c b/drivers/net/tlan.c index 3af5b92b48c..0166407d706 100644 --- a/drivers/net/tlan.c +++ b/drivers/net/tlan.c @@ -1400,7 +1400,7 @@ static void TLan_SetMulticastList( struct net_device *dev ) * **************************************************************/ -u32 TLan_HandleInvalid( struct net_device *dev, u16 host_int ) +static u32 TLan_HandleInvalid( struct net_device *dev, u16 host_int ) { /* printk( "TLAN: Invalid interrupt on %s.\n", dev->name ); */ return 0; @@ -1432,7 +1432,7 @@ u32 TLan_HandleInvalid( struct net_device *dev, u16 host_int ) * **************************************************************/ -u32 TLan_HandleTxEOF( struct net_device *dev, u16 host_int ) +static u32 TLan_HandleTxEOF( struct net_device *dev, u16 host_int ) { TLanPrivateInfo *priv = netdev_priv(dev); int eoc = 0; @@ -1518,7 +1518,7 @@ u32 TLan_HandleTxEOF( struct net_device *dev, u16 host_int ) * **************************************************************/ -u32 TLan_HandleStatOverflow( struct net_device *dev, u16 host_int ) +static u32 TLan_HandleStatOverflow( struct net_device *dev, u16 host_int ) { TLan_ReadAndClearStats( dev, TLAN_RECORD ); @@ -1554,7 +1554,7 @@ u32 TLan_HandleStatOverflow( struct net_device *dev, u16 host_int ) * **************************************************************/ -u32 TLan_HandleRxEOF( struct net_device *dev, u16 host_int ) +static u32 TLan_HandleRxEOF( struct net_device *dev, u16 host_int ) { TLanPrivateInfo *priv = netdev_priv(dev); u32 ack = 0; @@ -1689,7 +1689,7 @@ u32 TLan_HandleRxEOF( struct net_device *dev, u16 host_int ) * **************************************************************/ -u32 TLan_HandleDummy( struct net_device *dev, u16 host_int ) +static u32 TLan_HandleDummy( struct net_device *dev, u16 host_int ) { printk( "TLAN: Test interrupt on %s.\n", dev->name ); return 1; @@ -1719,7 +1719,7 @@ u32 TLan_HandleDummy( struct net_device *dev, u16 host_int ) * **************************************************************/ -u32 TLan_HandleTxEOC( struct net_device *dev, u16 host_int ) +static u32 TLan_HandleTxEOC( struct net_device *dev, u16 host_int ) { TLanPrivateInfo *priv = netdev_priv(dev); TLanList *head_list; @@ -1767,7 +1767,7 @@ u32 TLan_HandleTxEOC( struct net_device *dev, u16 host_int ) * **************************************************************/ -u32 TLan_HandleStatusCheck( struct net_device *dev, u16 host_int ) +static u32 TLan_HandleStatusCheck( struct net_device *dev, u16 host_int ) { TLanPrivateInfo *priv = netdev_priv(dev); u32 ack; @@ -1842,7 +1842,7 @@ u32 TLan_HandleStatusCheck( struct net_device *dev, u16 host_int ) * **************************************************************/ -u32 TLan_HandleRxEOC( struct net_device *dev, u16 host_int ) +static u32 TLan_HandleRxEOC( struct net_device *dev, u16 host_int ) { TLanPrivateInfo *priv = netdev_priv(dev); dma_addr_t head_list_phys; @@ -1902,7 +1902,7 @@ u32 TLan_HandleRxEOC( struct net_device *dev, u16 host_int ) * **************************************************************/ -void TLan_Timer( unsigned long data ) +static void TLan_Timer( unsigned long data ) { struct net_device *dev = (struct net_device *) data; TLanPrivateInfo *priv = netdev_priv(dev); @@ -1983,7 +1983,7 @@ void TLan_Timer( unsigned long data ) * **************************************************************/ -void TLan_ResetLists( struct net_device *dev ) +static void TLan_ResetLists( struct net_device *dev ) { TLanPrivateInfo *priv = netdev_priv(dev); int i; @@ -2043,7 +2043,7 @@ void TLan_ResetLists( struct net_device *dev ) } /* TLan_ResetLists */ -void TLan_FreeLists( struct net_device *dev ) +static void TLan_FreeLists( struct net_device *dev ) { TLanPrivateInfo *priv = netdev_priv(dev); int i; @@ -2092,7 +2092,7 @@ void TLan_FreeLists( struct net_device *dev ) * **************************************************************/ -void TLan_PrintDio( u16 io_base ) +static void TLan_PrintDio( u16 io_base ) { u32 data0, data1; int i; @@ -2127,7 +2127,7 @@ void TLan_PrintDio( u16 io_base ) * **************************************************************/ -void TLan_PrintList( TLanList *list, char *type, int num) +static void TLan_PrintList( TLanList *list, char *type, int num) { int i; @@ -2163,7 +2163,7 @@ void TLan_PrintList( TLanList *list, char *type, int num) * **************************************************************/ -void TLan_ReadAndClearStats( struct net_device *dev, int record ) +static void TLan_ReadAndClearStats( struct net_device *dev, int record ) { TLanPrivateInfo *priv = netdev_priv(dev); u32 tx_good, tx_under; @@ -2238,7 +2238,7 @@ void TLan_ReadAndClearStats( struct net_device *dev, int record ) * **************************************************************/ -void +static void TLan_ResetAdapter( struct net_device *dev ) { TLanPrivateInfo *priv = netdev_priv(dev); @@ -2324,7 +2324,7 @@ TLan_ResetAdapter( struct net_device *dev ) -void +static void TLan_FinishReset( struct net_device *dev ) { TLanPrivateInfo *priv = netdev_priv(dev); @@ -2448,7 +2448,7 @@ TLan_FinishReset( struct net_device *dev ) * **************************************************************/ -void TLan_SetMac( struct net_device *dev, int areg, char *mac ) +static void TLan_SetMac( struct net_device *dev, int areg, char *mac ) { int i; @@ -2490,7 +2490,7 @@ void TLan_SetMac( struct net_device *dev, int areg, char *mac ) * ********************************************************************/ -void TLan_PhyPrint( struct net_device *dev ) +static void TLan_PhyPrint( struct net_device *dev ) { TLanPrivateInfo *priv = netdev_priv(dev); u16 i, data0, data1, data2, data3, phy; @@ -2539,7 +2539,7 @@ void TLan_PhyPrint( struct net_device *dev ) * ********************************************************************/ -void TLan_PhyDetect( struct net_device *dev ) +static void TLan_PhyDetect( struct net_device *dev ) { TLanPrivateInfo *priv = netdev_priv(dev); u16 control; @@ -2586,7 +2586,7 @@ void TLan_PhyDetect( struct net_device *dev ) -void TLan_PhyPowerDown( struct net_device *dev ) +static void TLan_PhyPowerDown( struct net_device *dev ) { TLanPrivateInfo *priv = netdev_priv(dev); u16 value; @@ -2611,7 +2611,7 @@ void TLan_PhyPowerDown( struct net_device *dev ) -void TLan_PhyPowerUp( struct net_device *dev ) +static void TLan_PhyPowerUp( struct net_device *dev ) { TLanPrivateInfo *priv = netdev_priv(dev); u16 value; @@ -2632,7 +2632,7 @@ void TLan_PhyPowerUp( struct net_device *dev ) -void TLan_PhyReset( struct net_device *dev ) +static void TLan_PhyReset( struct net_device *dev ) { TLanPrivateInfo *priv = netdev_priv(dev); u16 phy; @@ -2660,7 +2660,7 @@ void TLan_PhyReset( struct net_device *dev ) -void TLan_PhyStartLink( struct net_device *dev ) +static void TLan_PhyStartLink( struct net_device *dev ) { TLanPrivateInfo *priv = netdev_priv(dev); u16 ability; @@ -2747,7 +2747,7 @@ void TLan_PhyStartLink( struct net_device *dev ) -void TLan_PhyFinishAutoNeg( struct net_device *dev ) +static void TLan_PhyFinishAutoNeg( struct net_device *dev ) { TLanPrivateInfo *priv = netdev_priv(dev); u16 an_adv; @@ -2903,7 +2903,7 @@ void TLan_PhyMonitor( struct net_device *dev ) * **************************************************************/ -int TLan_MiiReadReg( struct net_device *dev, u16 phy, u16 reg, u16 *val ) +static int TLan_MiiReadReg( struct net_device *dev, u16 phy, u16 reg, u16 *val ) { u8 nack; u16 sio, tmp; @@ -2993,7 +2993,7 @@ int TLan_MiiReadReg( struct net_device *dev, u16 phy, u16 reg, u16 *val ) * **************************************************************/ -void TLan_MiiSendData( u16 base_port, u32 data, unsigned num_bits ) +static void TLan_MiiSendData( u16 base_port, u32 data, unsigned num_bits ) { u16 sio; u32 i; @@ -3035,7 +3035,7 @@ void TLan_MiiSendData( u16 base_port, u32 data, unsigned num_bits ) * **************************************************************/ -void TLan_MiiSync( u16 base_port ) +static void TLan_MiiSync( u16 base_port ) { int i; u16 sio; @@ -3074,7 +3074,7 @@ void TLan_MiiSync( u16 base_port ) * **************************************************************/ -void TLan_MiiWriteReg( struct net_device *dev, u16 phy, u16 reg, u16 val ) +static void TLan_MiiWriteReg( struct net_device *dev, u16 phy, u16 reg, u16 val ) { u16 sio; int minten; @@ -3144,7 +3144,7 @@ void TLan_MiiWriteReg( struct net_device *dev, u16 phy, u16 reg, u16 val ) * **************************************************************/ -void TLan_EeSendStart( u16 io_base ) +static void TLan_EeSendStart( u16 io_base ) { u16 sio; @@ -3184,7 +3184,7 @@ void TLan_EeSendStart( u16 io_base ) * **************************************************************/ -int TLan_EeSendByte( u16 io_base, u8 data, int stop ) +static int TLan_EeSendByte( u16 io_base, u8 data, int stop ) { int err; u8 place; @@ -3245,7 +3245,7 @@ int TLan_EeSendByte( u16 io_base, u8 data, int stop ) * **************************************************************/ -void TLan_EeReceiveByte( u16 io_base, u8 *data, int stop ) +static void TLan_EeReceiveByte( u16 io_base, u8 *data, int stop ) { u8 place; u16 sio; @@ -3303,7 +3303,7 @@ void TLan_EeReceiveByte( u16 io_base, u8 *data, int stop ) * **************************************************************/ -int TLan_EeReadByte( struct net_device *dev, u8 ee_addr, u8 *data ) +static int TLan_EeReadByte( struct net_device *dev, u8 ee_addr, u8 *data ) { int err; TLanPrivateInfo *priv = netdev_priv(dev); -- cgit v1.2.3 From 563e0ae06ff18f0b280f11cf706ba0172255ce52 Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Mon, 18 Feb 2008 21:20:32 +0100 Subject: sis190: read the mac address from the eeprom first Reading a serie of zero from the cmos sram area do not work well with is_valid_ether_addr(). Let's read the mac address from the eeprom first as it seems more reliable. Fix for http://bugzilla.kernel.org/show_bug.cgi?id=9831 Signed-off-by: Francois Romieu Signed-off-by: Jeff Garzik --- drivers/net/sis190.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/net/sis190.c b/drivers/net/sis190.c index 202fdf35662..20745fd4e97 100644 --- a/drivers/net/sis190.c +++ b/drivers/net/sis190.c @@ -1633,13 +1633,18 @@ static inline void sis190_init_rxfilter(struct net_device *dev) static int __devinit sis190_get_mac_addr(struct pci_dev *pdev, struct net_device *dev) { - u8 from; + int rc; + + rc = sis190_get_mac_addr_from_eeprom(pdev, dev); + if (rc < 0) { + u8 reg; - pci_read_config_byte(pdev, 0x73, &from); + pci_read_config_byte(pdev, 0x73, ®); - return (from & 0x00000001) ? - sis190_get_mac_addr_from_apc(pdev, dev) : - sis190_get_mac_addr_from_eeprom(pdev, dev); + if (reg & 0x00000001) + rc = sis190_get_mac_addr_from_apc(pdev, dev); + } + return rc; } static void sis190_set_speed_auto(struct net_device *dev) -- cgit v1.2.3 From cf7822983f21617b805712eec46eb31058508d6a Mon Sep 17 00:00:00 2001 From: Becky Bruce Date: Mon, 18 Feb 2008 17:24:30 -0600 Subject: gianfar: don't pass NULL dev ptr to DMA ops Change all dma op invocations in gianfar.c to actually pass in the device pointer. Currently, the value is ignored, but it will be used going forward as we implement archdata for 32-bit powerpc. Signed-off-by: Becky Bruce Acked-by: Andy Fleming Signed-off-by: Jeff Garzik --- drivers/net/gianfar.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index 4244fc282f2..718cf77e345 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -605,7 +605,7 @@ void stop_gfar(struct net_device *dev) free_skb_resources(priv); - dma_free_coherent(NULL, + dma_free_coherent(&dev->dev, sizeof(struct txbd8)*priv->tx_ring_size + sizeof(struct rxbd8)*priv->rx_ring_size, priv->tx_bd_base, @@ -626,7 +626,7 @@ static void free_skb_resources(struct gfar_private *priv) for (i = 0; i < priv->tx_ring_size; i++) { if (priv->tx_skbuff[i]) { - dma_unmap_single(NULL, txbdp->bufPtr, + dma_unmap_single(&priv->dev->dev, txbdp->bufPtr, txbdp->length, DMA_TO_DEVICE); dev_kfree_skb_any(priv->tx_skbuff[i]); @@ -643,7 +643,7 @@ static void free_skb_resources(struct gfar_private *priv) if(priv->rx_skbuff != NULL) { for (i = 0; i < priv->rx_ring_size; i++) { if (priv->rx_skbuff[i]) { - dma_unmap_single(NULL, rxbdp->bufPtr, + dma_unmap_single(&priv->dev->dev, rxbdp->bufPtr, priv->rx_buffer_size, DMA_FROM_DEVICE); @@ -708,7 +708,7 @@ int startup_gfar(struct net_device *dev) gfar_write(®s->imask, IMASK_INIT_CLEAR); /* Allocate memory for the buffer descriptors */ - vaddr = (unsigned long) dma_alloc_coherent(NULL, + vaddr = (unsigned long) dma_alloc_coherent(&dev->dev, sizeof (struct txbd8) * priv->tx_ring_size + sizeof (struct rxbd8) * priv->rx_ring_size, &addr, GFP_KERNEL); @@ -919,7 +919,7 @@ err_irq_fail: rx_skb_fail: free_skb_resources(priv); tx_skb_fail: - dma_free_coherent(NULL, + dma_free_coherent(&dev->dev, sizeof(struct txbd8)*priv->tx_ring_size + sizeof(struct rxbd8)*priv->rx_ring_size, priv->tx_bd_base, @@ -1053,7 +1053,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) /* Set buffer length and pointer */ txbdp->length = skb->len; - txbdp->bufPtr = dma_map_single(NULL, skb->data, + txbdp->bufPtr = dma_map_single(&dev->dev, skb->data, skb->len, DMA_TO_DEVICE); /* Save the skb pointer so we can free it later */ @@ -1332,7 +1332,7 @@ struct sk_buff * gfar_new_skb(struct net_device *dev, struct rxbd8 *bdp) */ skb_reserve(skb, alignamount); - bdp->bufPtr = dma_map_single(NULL, skb->data, + bdp->bufPtr = dma_map_single(&dev->dev, skb->data, priv->rx_buffer_size, DMA_FROM_DEVICE); bdp->length = 0; -- cgit v1.2.3 From 68707acb5b5d4e2b7583cbff0883516afed54d4f Mon Sep 17 00:00:00 2001 From: Bill Hayes Date: Tue, 19 Feb 2008 10:24:41 -0800 Subject: igb: Fix panic with NICs with 1000BASE-SX PHY This patch eliminates a kernel panic with the igb driver in 2.6.25-rc2 when running on a Intel 82575 Ethernet controller with a 1000BASE-SX PHY. The panic does not happen with the 1000BASE-T PHY, only with a SX connection. Signed-off-by: Bill Hayes Signed-off-by: Andy Gospodarek Signed-off-by: Auke Kok Signed-off-by: Jeff Garzik --- drivers/net/igb/igb_main.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 3480cc72467..6a1f2309209 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -816,7 +816,8 @@ void igb_reset(struct igb_adapter *adapter) wr32(E1000_VET, ETHERNET_IEEE_VLAN_TYPE); igb_reset_adaptive(&adapter->hw); - adapter->hw.phy.ops.get_phy_info(&adapter->hw); + if (adapter->hw.phy.ops.get_phy_info) + adapter->hw.phy.ops.get_phy_info(&adapter->hw); } /** @@ -2052,7 +2053,8 @@ static void igb_set_multi(struct net_device *netdev) static void igb_update_phy_info(unsigned long data) { struct igb_adapter *adapter = (struct igb_adapter *) data; - adapter->hw.phy.ops.get_phy_info(&adapter->hw); + if (adapter->hw.phy.ops.get_phy_info) + adapter->hw.phy.ops.get_phy_info(&adapter->hw); } /** -- cgit v1.2.3 From d1e7fe4d92742dd1aa28ca11512628adc79a904b Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Wed, 20 Feb 2008 02:13:53 +0200 Subject: net/phy/mdio_bus.c: fix a check-after-use This patch fixes a check-after-use spotted by the Coverity checker. Signed-off-by: Adrian Bunk Signed-off-by: Jeff Garzik --- drivers/net/phy/mdio_bus.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 6e9f619c491..963630c65ca 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -49,13 +49,13 @@ int mdiobus_register(struct mii_bus *bus) int i; int err = 0; - mutex_init(&bus->mdio_lock); - if (NULL == bus || NULL == bus->name || NULL == bus->read || NULL == bus->write) return -EINVAL; + mutex_init(&bus->mdio_lock); + if (bus->reset) bus->reset(bus); -- cgit v1.2.3 From f11cf25ef345a320b152aa68a014c8a65cf4ed44 Mon Sep 17 00:00:00 2001 From: Laura Garcia Date: Sat, 23 Feb 2008 18:56:35 +0100 Subject: [netdrvr] via-rhine: Use register offset definition for WOLcgClr Use register offset definition for WOLcgClr, rather than a magic number. This patch does not change the driver behaviour. Signed-off-by: Laura Garcia Liebana Signed-off-by: Jeff Garzik --- drivers/net/via-rhine.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c index 7c851b1e6da..8c9d6ae2bb3 100644 --- a/drivers/net/via-rhine.c +++ b/drivers/net/via-rhine.c @@ -1893,7 +1893,7 @@ static void rhine_shutdown (struct pci_dev *pdev) /* Make sure we use pattern 0, 1 and not 4, 5 */ if (rp->quirks & rq6patterns) - iowrite8(0x04, ioaddr + 0xA7); + iowrite8(0x04, ioaddr + WOLcgClr); if (rp->wolopts & WAKE_MAGIC) { iowrite8(WOLmagic, ioaddr + WOLcrSet); -- cgit v1.2.3 From a84d0a3d6909c871bfa617a45a7517ce9292d4fb Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 22 Feb 2008 16:00:33 -0800 Subject: sky2: fix LED management Fix problems in LED management, so ethtool -p works correctly on Yukon-EC and other chips. The driver was incorrectly setting the PHY LED overide bits. Moral: read the spec sheet, not the vendor driver. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/sky2.c | 123 ++++++++++++++++++++++++++--------------------------- drivers/net/sky2.h | 27 ++++++------ 2 files changed, 76 insertions(+), 74 deletions(-) (limited to 'drivers') diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 9a6295909e4..54c662690f6 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -572,8 +572,9 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) default: /* set Tx LED (LED_TX) to blink mode on Rx OR Tx activity */ ledctrl |= PHY_M_LED_BLINK_RT(BLINK_84MS) | PHY_M_LEDC_TX_CTRL; + /* turn off the Rx LED (LED_RX) */ - ledover &= ~PHY_M_LED_MO_RX; + ledover |= PHY_M_LED_MO_RX(MO_LED_OFF); } if (hw->chip_id == CHIP_ID_YUKON_EC_U && @@ -602,7 +603,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) if (sky2->autoneg == AUTONEG_DISABLE || sky2->speed == SPEED_100) { /* turn on 100 Mbps LED (LED_LINK100) */ - ledover |= PHY_M_LED_MO_100; + ledover |= PHY_M_LED_MO_100(MO_LED_ON); } if (ledover) @@ -3322,82 +3323,80 @@ static void sky2_set_multicast(struct net_device *dev) /* Can have one global because blinking is controlled by * ethtool and that is always under RTNL mutex */ -static void sky2_led(struct sky2_hw *hw, unsigned port, int on) +static void sky2_led(struct sky2_port *sky2, enum led_mode mode) { - u16 pg; + struct sky2_hw *hw = sky2->hw; + unsigned port = sky2->port; - switch (hw->chip_id) { - case CHIP_ID_YUKON_XL: + spin_lock_bh(&sky2->phy_lock); + if (hw->chip_id == CHIP_ID_YUKON_EC_U || + hw->chip_id == CHIP_ID_YUKON_EX || + hw->chip_id == CHIP_ID_YUKON_SUPR) { + u16 pg; pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); - gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, - on ? (PHY_M_LEDC_LOS_CTRL(1) | - PHY_M_LEDC_INIT_CTRL(7) | - PHY_M_LEDC_STA1_CTRL(7) | - PHY_M_LEDC_STA0_CTRL(7)) - : 0); - gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); - break; + switch (mode) { + case MO_LED_OFF: + gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, + PHY_M_LEDC_LOS_CTRL(8) | + PHY_M_LEDC_INIT_CTRL(8) | + PHY_M_LEDC_STA1_CTRL(8) | + PHY_M_LEDC_STA0_CTRL(8)); + break; + case MO_LED_ON: + gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, + PHY_M_LEDC_LOS_CTRL(9) | + PHY_M_LEDC_INIT_CTRL(9) | + PHY_M_LEDC_STA1_CTRL(9) | + PHY_M_LEDC_STA0_CTRL(9)); + break; + case MO_LED_BLINK: + gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, + PHY_M_LEDC_LOS_CTRL(0xa) | + PHY_M_LEDC_INIT_CTRL(0xa) | + PHY_M_LEDC_STA1_CTRL(0xa) | + PHY_M_LEDC_STA0_CTRL(0xa)); + break; + case MO_LED_NORM: + gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, + PHY_M_LEDC_LOS_CTRL(1) | + PHY_M_LEDC_INIT_CTRL(8) | + PHY_M_LEDC_STA1_CTRL(7) | + PHY_M_LEDC_STA0_CTRL(7)); + } - default: - gm_phy_write(hw, port, PHY_MARV_LED_CTRL, 0); + gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); + } else gm_phy_write(hw, port, PHY_MARV_LED_OVER, - on ? PHY_M_LED_ALL : 0); - } + PHY_M_LED_MO_DUP(mode) | + PHY_M_LED_MO_10(mode) | + PHY_M_LED_MO_100(mode) | + PHY_M_LED_MO_1000(mode) | + PHY_M_LED_MO_RX(mode) | + PHY_M_LED_MO_TX(mode)); + + spin_unlock_bh(&sky2->phy_lock); } /* blink LED's for finding board */ static int sky2_phys_id(struct net_device *dev, u32 data) { struct sky2_port *sky2 = netdev_priv(dev); - struct sky2_hw *hw = sky2->hw; - unsigned port = sky2->port; - u16 ledctrl, ledover = 0; - long ms; - int interrupted; - int onoff = 1; + unsigned int i; - if (!data || data > (u32) (MAX_SCHEDULE_TIMEOUT / HZ)) - ms = jiffies_to_msecs(MAX_SCHEDULE_TIMEOUT); - else - ms = data * 1000; - - /* save initial values */ - spin_lock_bh(&sky2->phy_lock); - if (hw->chip_id == CHIP_ID_YUKON_XL) { - u16 pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); - gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); - ledctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); - gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); - } else { - ledctrl = gm_phy_read(hw, port, PHY_MARV_LED_CTRL); - ledover = gm_phy_read(hw, port, PHY_MARV_LED_OVER); - } - - interrupted = 0; - while (!interrupted && ms > 0) { - sky2_led(hw, port, onoff); - onoff = !onoff; - - spin_unlock_bh(&sky2->phy_lock); - interrupted = msleep_interruptible(250); - spin_lock_bh(&sky2->phy_lock); - - ms -= 250; - } + if (data == 0) + data = UINT_MAX; - /* resume regularly scheduled programming */ - if (hw->chip_id == CHIP_ID_YUKON_XL) { - u16 pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); - gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); - gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ledctrl); - gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); - } else { - gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl); - gm_phy_write(hw, port, PHY_MARV_LED_OVER, ledover); + for (i = 0; i < data; i++) { + sky2_led(sky2, MO_LED_ON); + if (msleep_interruptible(500)) + break; + sky2_led(sky2, MO_LED_OFF); + if (msleep_interruptible(500)) + break; } - spin_unlock_bh(&sky2->phy_lock); + sky2_led(sky2, MO_LED_NORM); return 0; } diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h index 5ab5c1c7c5a..7bb3ba9bcbd 100644 --- a/drivers/net/sky2.h +++ b/drivers/net/sky2.h @@ -1318,18 +1318,21 @@ enum { BLINK_670MS = 4,/* 670 ms */ }; -/**** PHY_MARV_LED_OVER 16 bit r/w LED control */ -enum { - PHY_M_LED_MO_DUP = 3<<10,/* Bit 11..10: Duplex */ - PHY_M_LED_MO_10 = 3<<8, /* Bit 9.. 8: Link 10 */ - PHY_M_LED_MO_100 = 3<<6, /* Bit 7.. 6: Link 100 */ - PHY_M_LED_MO_1000 = 3<<4, /* Bit 5.. 4: Link 1000 */ - PHY_M_LED_MO_RX = 3<<2, /* Bit 3.. 2: Rx */ - PHY_M_LED_MO_TX = 3<<0, /* Bit 1.. 0: Tx */ - - PHY_M_LED_ALL = PHY_M_LED_MO_DUP | PHY_M_LED_MO_10 - | PHY_M_LED_MO_100 | PHY_M_LED_MO_1000 - | PHY_M_LED_MO_RX, +/***** PHY_MARV_LED_OVER 16 bit r/w Manual LED Override Reg *****/ +#define PHY_M_LED_MO_SGMII(x) ((x)<<14) /* Bit 15..14: SGMII AN Timer */ + +#define PHY_M_LED_MO_DUP(x) ((x)<<10) /* Bit 11..10: Duplex */ +#define PHY_M_LED_MO_10(x) ((x)<<8) /* Bit 9.. 8: Link 10 */ +#define PHY_M_LED_MO_100(x) ((x)<<6) /* Bit 7.. 6: Link 100 */ +#define PHY_M_LED_MO_1000(x) ((x)<<4) /* Bit 5.. 4: Link 1000 */ +#define PHY_M_LED_MO_RX(x) ((x)<<2) /* Bit 3.. 2: Rx */ +#define PHY_M_LED_MO_TX(x) ((x)<<0) /* Bit 1.. 0: Tx */ + +enum led_mode { + MO_LED_NORM = 0, + MO_LED_BLINK = 1, + MO_LED_OFF = 2, + MO_LED_ON = 3, }; /***** PHY_MARV_EXT_CTRL_2 16 bit r/w Ext. PHY Specific Ctrl 2 *****/ -- cgit v1.2.3 From 179956f498bd8cc55fb803c4ee0cf18be59c8b01 Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Thu, 21 Feb 2008 22:50:54 +0900 Subject: macb: Fix speed setting Fix NCFGR.SPD setting on 10Mbps. This bug was introduced by conversion to generic PHY layer in kernel 2.6.23. Signed-off-by: Atsushi Nemoto Signed-off-by: Jeff Garzik --- drivers/net/macb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/macb.c b/drivers/net/macb.c index 81bf005ff28..1d210ed4613 100644 --- a/drivers/net/macb.c +++ b/drivers/net/macb.c @@ -148,7 +148,7 @@ static void macb_handle_link_change(struct net_device *dev) if (phydev->duplex) reg |= MACB_BIT(FD); - if (phydev->speed) + if (phydev->speed == SPEED_100) reg |= MACB_BIT(SPD); macb_writel(bp, NCFGR, reg); -- cgit v1.2.3 From ac0b3509f048b34ba1b60f164fd811b7cbdbc27a Mon Sep 17 00:00:00 2001 From: Auke Kok Date: Thu, 21 Feb 2008 15:10:41 -0800 Subject: ixgb: add RNBC counter - no buffer count - to ethtool stats This counter is valuable to determine if the system is unable to timely return buffers to the hardware and this counter starts to increase well before the hardware starts to drop packets. If users experience rx_no_buffer_count increasing, they should increase the amount of descriptors. That will provide more buffers for the hardware and will decrease the chance of hard drops. Signed-off-by: Auke Kok Signed-off-by: Jeff Garzik --- drivers/net/ixgb/ixgb_ethtool.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/net/ixgb/ixgb_ethtool.c b/drivers/net/ixgb/ixgb_ethtool.c index 53a9fd086f9..75f3a68ee35 100644 --- a/drivers/net/ixgb/ixgb_ethtool.c +++ b/drivers/net/ixgb/ixgb_ethtool.c @@ -67,6 +67,7 @@ static struct ixgb_stats ixgb_gstrings_stats[] = { {"rx_over_errors", IXGB_STAT(net_stats.rx_over_errors)}, {"rx_crc_errors", IXGB_STAT(net_stats.rx_crc_errors)}, {"rx_frame_errors", IXGB_STAT(net_stats.rx_frame_errors)}, + {"rx_no_buffer_count", IXGB_STAT(stats.rnbc)}, {"rx_fifo_errors", IXGB_STAT(net_stats.rx_fifo_errors)}, {"rx_missed_errors", IXGB_STAT(net_stats.rx_missed_errors)}, {"tx_aborted_errors", IXGB_STAT(net_stats.tx_aborted_errors)}, -- cgit v1.2.3 From 31f8c4fe5d24376c15e18e2936cfa18cd7e5d917 Mon Sep 17 00:00:00 2001 From: Auke Kok Date: Thu, 21 Feb 2008 15:10:47 -0800 Subject: e1000e: 82573 can use eerd method to read eeprom This simplifies the 82571/2/3 family initialization a bit and removes an initialization table no longer needed. Signed-off-by: Auke Kok Signed-off-by: Jeff Kirsher Signed-off-by: Jeff Garzik --- drivers/net/e1000e/82571.c | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c index 3beace55b58..f7ffd35c8a4 100644 --- a/drivers/net/e1000e/82571.c +++ b/drivers/net/e1000e/82571.c @@ -1280,16 +1280,6 @@ static struct e1000_phy_operations e82_phy_ops_m88 = { }; static struct e1000_nvm_operations e82571_nvm_ops = { - .acquire_nvm = e1000_acquire_nvm_82571, - .read_nvm = e1000e_read_nvm_spi, - .release_nvm = e1000_release_nvm_82571, - .update_nvm = e1000_update_nvm_checksum_82571, - .valid_led_default = e1000_valid_led_default_82571, - .validate_nvm = e1000_validate_nvm_checksum_82571, - .write_nvm = e1000_write_nvm_82571, -}; - -static struct e1000_nvm_operations e82573_nvm_ops = { .acquire_nvm = e1000_acquire_nvm_82571, .read_nvm = e1000e_read_nvm_eerd, .release_nvm = e1000_release_nvm_82571, @@ -1355,6 +1345,6 @@ struct e1000_info e1000_82573_info = { .get_invariants = e1000_get_invariants_82571, .mac_ops = &e82571_mac_ops, .phy_ops = &e82_phy_ops_m88, - .nvm_ops = &e82573_nvm_ops, + .nvm_ops = &e82571_nvm_ops, }; -- cgit v1.2.3 From 03ae221fe9987e22679642b5b687aebbb67bbb47 Mon Sep 17 00:00:00 2001 From: Jesse Brandeburg Date: Thu, 21 Feb 2008 15:10:52 -0800 Subject: e1000e: fix link up message to show ethX: Signed-off-by: Jesse Brandeburg Signed-off-by: Auke Kok Signed-off-by: Jeff Garzik --- drivers/net/e1000e/e1000.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h index 8b88c226e85..327c0620da3 100644 --- a/drivers/net/e1000e/e1000.h +++ b/drivers/net/e1000e/e1000.h @@ -42,8 +42,7 @@ struct e1000_info; #define ndev_printk(level, netdev, format, arg...) \ - printk(level "%s: %s: " format, (netdev)->dev.parent->bus_id, \ - (netdev)->name, ## arg) + printk(level "%s: " format, (netdev)->name, ## arg) #ifdef DEBUG #define ndev_dbg(netdev, format, arg...) \ -- cgit v1.2.3 From 4a5694e66428607585c9f4dd14bcf4158d2de191 Mon Sep 17 00:00:00 2001 From: Jesse Brandeburg Date: Thu, 21 Feb 2008 15:10:57 -0800 Subject: e1000e: fix flow control when using ethtool overrides Signed-off-by: Jesse Brandeburg Signed-off-by: Auke Kok Signed-off-by: Jeff Garzik --- drivers/net/e1000e/lib.c | 3 --- 1 file changed, 3 deletions(-) (limited to 'drivers') diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c index 16f35fadb74..0860b5fb347 100644 --- a/drivers/net/e1000e/lib.c +++ b/drivers/net/e1000e/lib.c @@ -589,9 +589,6 @@ static s32 e1000_set_default_fc_generic(struct e1000_hw *hw) s32 ret_val; u16 nvm_data; - if (mac->fc != e1000_fc_default) - return 0; - /* Read and store word 0x0F of the EEPROM. This word contains bits * that determine the hardware's default PAUSE (flow control) mode, * a bit that determines whether the HW defaults to enabling or -- cgit v1.2.3 From de92d84ec2305c490aa1db33f6e40680f8c236a8 Mon Sep 17 00:00:00 2001 From: Jesse Brandeburg Date: Thu, 21 Feb 2008 15:11:02 -0800 Subject: e1000e: fix flow control denial of service possibility this patch avoids a denial of service from an evildoer sending a continuous stream of flow control at our adapter that is plugged into a non-flow control enabled switch. Signed-off-by: Jesse Brandeburg Signed-off-by: Auke Kok Signed-off-by: Jeff Garzik --- drivers/net/e1000e/lib.c | 31 +++++-------------------------- 1 file changed, 5 insertions(+), 26 deletions(-) (limited to 'drivers') diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c index 0860b5fb347..341d74e81fb 100644 --- a/drivers/net/e1000e/lib.c +++ b/drivers/net/e1000e/lib.c @@ -1104,34 +1104,13 @@ s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw) (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) { mac->fc = e1000_fc_rx_pause; hw_dbg(hw, "Flow Control = RX PAUSE frames only.\r\n"); - } - /* Per the IEEE spec, at this point flow control should be - * disabled. However, we want to consider that we could - * be connected to a legacy switch that doesn't advertise - * desired flow control, but can be forced on the link - * partner. So if we advertised no flow control, that is - * what we will resolve to. If we advertised some kind of - * receive capability (Rx Pause Only or Full Flow Control) - * and the link partner advertised none, we will configure - * ourselves to enable Rx Flow Control only. We can do - * this safely for two reasons: If the link partner really - * didn't want flow control enabled, and we enable Rx, no - * harm done since we won't be receiving any PAUSE frames - * anyway. If the intent on the link partner was to have - * flow control enabled, then by us enabling RX only, we - * can at least receive pause frames and process them. - * This is a good idea because in most cases, since we are - * predominantly a server NIC, more times than not we will - * be asked to delay transmission of packets than asking - * our link partner to pause transmission of frames. - */ - else if ((mac->original_fc == e1000_fc_none) || - (mac->original_fc == e1000_fc_tx_pause)) { + } else { + /* + * Per the IEEE spec, at this point flow control + * should be disabled. + */ mac->fc = e1000_fc_none; hw_dbg(hw, "Flow Control = NONE.\r\n"); - } else { - mac->fc = e1000_fc_rx_pause; - hw_dbg(hw, "Flow Control = RX PAUSE frames only.\r\n"); } /* Now we need to do one last check... If we auto- -- cgit v1.2.3 From 489815ce224e75c2fcd5ebdfaa740d7f9a4f20d3 Mon Sep 17 00:00:00 2001 From: Auke Kok Date: Thu, 21 Feb 2008 15:11:07 -0800 Subject: e1000e: fix spelling errors in comments Fix some spelling errors and inconsistencies in comment blocks. Signed-off-by: Auke Kok Signed-off-by: Jeff Garzik --- drivers/net/e1000e/82571.c | 10 +++++----- drivers/net/e1000e/defines.h | 10 +++++----- drivers/net/e1000e/hw.h | 4 ++-- drivers/net/e1000e/ich8lan.c | 24 ++++++++++++------------ drivers/net/e1000e/lib.c | 16 ++++++++-------- drivers/net/e1000e/netdev.c | 16 +++++++++------- drivers/net/e1000e/phy.c | 10 +++++----- 7 files changed, 46 insertions(+), 44 deletions(-) (limited to 'drivers') diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c index f7ffd35c8a4..7fe20310eb5 100644 --- a/drivers/net/e1000e/82571.c +++ b/drivers/net/e1000e/82571.c @@ -438,7 +438,7 @@ static void e1000_release_nvm_82571(struct e1000_hw *hw) * For non-82573 silicon, write data to EEPROM at offset using SPI interface. * * If e1000e_update_nvm_checksum is not called after this function, the - * EEPROM will most likley contain an invalid checksum. + * EEPROM will most likely contain an invalid checksum. **/ static s32 e1000_write_nvm_82571(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) @@ -547,7 +547,7 @@ static s32 e1000_validate_nvm_checksum_82571(struct e1000_hw *hw) * poll for completion. * * If e1000e_update_nvm_checksum is not called after this function, the - * EEPROM will most likley contain an invalid checksum. + * EEPROM will most likely contain an invalid checksum. **/ static s32 e1000_write_nvm_eewr_82571(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) @@ -1053,7 +1053,7 @@ static s32 e1000_setup_fiber_serdes_link_82571(struct e1000_hw *hw) /* If SerDes loopback mode is entered, there is no form * of reset to take the adapter out of that mode. So we * have to explicitly take the adapter out of loopback - * mode. This prevents drivers from twidling their thumbs + * mode. This prevents drivers from twiddling their thumbs * if another tool failed to take it out of loopback mode. */ ew32(SCTL, @@ -1098,7 +1098,7 @@ static s32 e1000_valid_led_default_82571(struct e1000_hw *hw, u16 *data) * e1000e_get_laa_state_82571 - Get locally administered address state * @hw: pointer to the HW structure * - * Retrieve and return the current locally administed address state. + * Retrieve and return the current locally administered address state. **/ bool e1000e_get_laa_state_82571(struct e1000_hw *hw) { @@ -1113,7 +1113,7 @@ bool e1000e_get_laa_state_82571(struct e1000_hw *hw) * @hw: pointer to the HW structure * @state: enable/disable locally administered address * - * Enable/Disable the current locally administed address state. + * Enable/Disable the current locally administers address state. **/ void e1000e_set_laa_state_82571(struct e1000_hw *hw, bool state) { diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h index 6232c3e9668..a4f511f549f 100644 --- a/drivers/net/e1000e/defines.h +++ b/drivers/net/e1000e/defines.h @@ -66,7 +66,7 @@ #define E1000_WUFC_ARP 0x00000020 /* ARP Request Packet Wakeup Enable */ /* Extended Device Control */ -#define E1000_CTRL_EXT_SDP7_DATA 0x00000080 /* Value of SW Defineable Pin 7 */ +#define E1000_CTRL_EXT_SDP7_DATA 0x00000080 /* Value of SW Definable Pin 7 */ #define E1000_CTRL_EXT_EE_RST 0x00002000 /* Reinitialize from EEPROM */ #define E1000_CTRL_EXT_RO_DIS 0x00020000 /* Relaxed Ordering disable */ #define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000 @@ -75,12 +75,12 @@ #define E1000_CTRL_EXT_IAME 0x08000000 /* Interrupt acknowledge Auto-mask */ #define E1000_CTRL_EXT_INT_TIMER_CLR 0x20000000 /* Clear Interrupt timers after IMS clear */ -/* Receive Decriptor bit definitions */ +/* Receive Descriptor bit definitions */ #define E1000_RXD_STAT_DD 0x01 /* Descriptor Done */ #define E1000_RXD_STAT_EOP 0x02 /* End of Packet */ #define E1000_RXD_STAT_IXSM 0x04 /* Ignore checksum */ #define E1000_RXD_STAT_VP 0x08 /* IEEE VLAN Packet */ -#define E1000_RXD_STAT_UDPCS 0x10 /* UDP xsum caculated */ +#define E1000_RXD_STAT_UDPCS 0x10 /* UDP xsum calculated */ #define E1000_RXD_STAT_TCPCS 0x20 /* TCP xsum calculated */ #define E1000_RXD_ERR_CE 0x01 /* CRC Error */ #define E1000_RXD_ERR_SE 0x02 /* Symbol Error */ @@ -223,7 +223,7 @@ #define E1000_STATUS_LAN_INIT_DONE 0x00000200 /* Lan Init Completion by NVM */ #define E1000_STATUS_GIO_MASTER_ENABLE 0x00080000 /* Status of Master requests. */ -/* Constants used to intrepret the masked PCI-X bus speed. */ +/* Constants used to interpret the masked PCI-X bus speed. */ #define HALF_DUPLEX 1 #define FULL_DUPLEX 2 @@ -517,7 +517,7 @@ /* PHY 1000 MII Register/Bit Definitions */ /* PHY Registers defined by IEEE */ #define PHY_CONTROL 0x00 /* Control Register */ -#define PHY_STATUS 0x01 /* Status Regiser */ +#define PHY_STATUS 0x01 /* Status Register */ #define PHY_ID1 0x02 /* Phy Id Reg (word 1) */ #define PHY_ID2 0x03 /* Phy Id Reg (word 2) */ #define PHY_AUTONEG_ADV 0x04 /* Autoneg Advertisement */ diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h index 3c5862f97db..916025b30fc 100644 --- a/drivers/net/e1000e/hw.h +++ b/drivers/net/e1000e/hw.h @@ -184,7 +184,7 @@ enum e1e_registers { E1000_ICRXDMTC = 0x04120, /* Irq Cause Rx Desc MinThreshold Count */ E1000_ICRXOC = 0x04124, /* Irq Cause Receiver Overrun Count */ E1000_RXCSUM = 0x05000, /* RX Checksum Control - RW */ - E1000_RFCTL = 0x05008, /* Receive Filter Control*/ + E1000_RFCTL = 0x05008, /* Receive Filter Control */ E1000_MTA = 0x05200, /* Multicast Table Array - RW Array */ E1000_RA = 0x05400, /* Receive Address - RW Array */ E1000_VFTA = 0x05600, /* VLAN Filter Table Array - RW Array */ @@ -202,7 +202,7 @@ enum e1e_registers { E1000_FACTPS = 0x05B30, /* Function Active and Power State to MNG */ E1000_SWSM = 0x05B50, /* SW Semaphore */ E1000_FWSM = 0x05B54, /* FW Semaphore */ - E1000_HICR = 0x08F00, /* Host Inteface Control */ + E1000_HICR = 0x08F00, /* Host Interface Control */ }; /* RSS registers */ diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c index 8f8139de1f4..0ae39550768 100644 --- a/drivers/net/e1000e/ich8lan.c +++ b/drivers/net/e1000e/ich8lan.c @@ -671,7 +671,7 @@ static s32 e1000_get_phy_info_ich8lan(struct e1000_hw *hw) * e1000_check_polarity_ife_ich8lan - Check cable polarity for IFE PHY * @hw: pointer to the HW structure * - * Polarity is determined on the polarity reveral feature being enabled. + * Polarity is determined on the polarity reversal feature being enabled. * This function is only called by other family-specific * routines. **/ @@ -947,7 +947,7 @@ static s32 e1000_flash_cycle_init_ich8lan(struct e1000_hw *hw) /* Either we should have a hardware SPI cycle in progress * bit to check against, in order to start a new cycle or * FDONE bit should be changed in the hardware so that it - * is 1 after harware reset, which can then be used as an + * is 1 after hardware reset, which can then be used as an * indication whether a cycle is in progress or has been * completed. */ @@ -1155,7 +1155,7 @@ static s32 e1000_write_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words, * which writes the checksum to the shadow ram. The changes in the shadow * ram are then committed to the EEPROM by processing each bank at a time * checking for the modified bit and writing only the pending changes. - * After a succesful commit, the shadow ram is cleared and is ready for + * After a successful commit, the shadow ram is cleared and is ready for * future writes. **/ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw) @@ -1680,7 +1680,7 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) * - initialize LED identification * - setup receive address registers * - setup flow control - * - setup transmit discriptors + * - setup transmit descriptors * - clear statistics **/ static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw) @@ -1961,7 +1961,7 @@ static s32 e1000_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw) E1000_PHY_CTRL_NOND0A_GBE_DISABLE); ew32(PHY_CTRL, phy_ctrl); - /* Call gig speed drop workaround on Giga disable before accessing + /* Call gig speed drop workaround on Gig disable before accessing * any PHY registers */ e1000e_gig_downshift_workaround_ich8lan(hw); @@ -1972,7 +1972,7 @@ static s32 e1000_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw) /** * e1000_set_kmrn_lock_loss_workaound_ich8lan - Set Kumeran workaround state * @hw: pointer to the HW structure - * @state: boolean value used to set the current Kumaran workaround state + * @state: boolean value used to set the current Kumeran workaround state * * If ICH8, set the current Kumeran workaround state (enabled - TRUE * /disabled - FALSE). @@ -2017,7 +2017,7 @@ void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw) E1000_PHY_CTRL_NOND0A_GBE_DISABLE); ew32(PHY_CTRL, reg); - /* Call gig speed drop workaround on Giga disable before + /* Call gig speed drop workaround on Gig disable before * accessing any PHY registers */ if (hw->mac.type == e1000_ich8lan) e1000e_gig_downshift_workaround_ich8lan(hw); @@ -2045,7 +2045,7 @@ void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw) * @hw: pointer to the HW structure * * Steps to take when dropping from 1Gb/s (eg. link cable removal (LSC), - * LPLU, Giga disable, MDIC PHY reset): + * LPLU, Gig disable, MDIC PHY reset): * 1) Set Kumeran Near-end loopback * 2) Clear Kumeran Near-end loopback * Should only be called for ICH8[m] devices with IGP_3 Phy. @@ -2089,10 +2089,10 @@ static s32 e1000_cleanup_led_ich8lan(struct e1000_hw *hw) } /** - * e1000_led_on_ich8lan - Turn LED's on + * e1000_led_on_ich8lan - Turn LEDs on * @hw: pointer to the HW structure * - * Turn on the LED's. + * Turn on the LEDs. **/ static s32 e1000_led_on_ich8lan(struct e1000_hw *hw) { @@ -2105,10 +2105,10 @@ static s32 e1000_led_on_ich8lan(struct e1000_hw *hw) } /** - * e1000_led_off_ich8lan - Turn LED's off + * e1000_led_off_ich8lan - Turn LEDs off * @hw: pointer to the HW structure * - * Turn off the LED's. + * Turn off the LEDs. **/ static s32 e1000_led_off_ich8lan(struct e1000_hw *hw) { diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c index 341d74e81fb..95f75a43c9f 100644 --- a/drivers/net/e1000e/lib.c +++ b/drivers/net/e1000e/lib.c @@ -1140,7 +1140,7 @@ s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw) } /** - * e1000e_get_speed_and_duplex_copper - Retreive current speed/duplex + * e1000e_get_speed_and_duplex_copper - Retrieve current speed/duplex * @hw: pointer to the HW structure * @speed: stores the current speed * @duplex: stores the current duplex @@ -1176,7 +1176,7 @@ s32 e1000e_get_speed_and_duplex_copper(struct e1000_hw *hw, u16 *speed, u16 *dup } /** - * e1000e_get_speed_and_duplex_fiber_serdes - Retreive current speed/duplex + * e1000e_get_speed_and_duplex_fiber_serdes - Retrieve current speed/duplex * @hw: pointer to the HW structure * @speed: stores the current speed * @duplex: stores the current duplex @@ -1386,7 +1386,7 @@ s32 e1000e_cleanup_led_generic(struct e1000_hw *hw) * e1000e_blink_led - Blink LED * @hw: pointer to the HW structure * - * Blink the led's which are set to be on. + * Blink the LEDs which are set to be on. **/ s32 e1000e_blink_led(struct e1000_hw *hw) { @@ -1491,7 +1491,7 @@ void e1000e_set_pcie_no_snoop(struct e1000_hw *hw, u32 no_snoop) * @hw: pointer to the HW structure * * Returns 0 if successful, else returns -10 - * (-E1000_ERR_MASTER_REQUESTS_PENDING) if master disable bit has not casued + * (-E1000_ERR_MASTER_REQUESTS_PENDING) if master disable bit has not caused * the master requests to be disabled. * * Disables PCI-Express master access and verifies there are no pending @@ -1852,7 +1852,7 @@ static s32 e1000_ready_nvm_eeprom(struct e1000_hw *hw) } /** - * e1000e_read_nvm_spi - Read EEPROM's using SPI + * e1000e_read_nvm_spi - Reads EEPROM using SPI * @hw: pointer to the HW structure * @offset: offset of word in the EEPROM to read * @words: number of words to read @@ -1956,7 +1956,7 @@ s32 e1000e_read_nvm_eerd(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) * Writes data to EEPROM at offset using SPI interface. * * If e1000e_update_nvm_checksum is not called after this function , the - * EEPROM will most likley contain an invalid checksum. + * EEPROM will most likely contain an invalid checksum. **/ s32 e1000e_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) { @@ -2198,7 +2198,7 @@ static u8 e1000_calculate_checksum(u8 *buffer, u32 length) * * Returns E1000_success upon success, else E1000_ERR_HOST_INTERFACE_COMMAND * - * This function checks whether the HOST IF is enabled for command operaton + * This function checks whether the HOST IF is enabled for command operation * and also checks whether the previous command is completed. It busy waits * in case of previous command is not completed. **/ @@ -2230,7 +2230,7 @@ static s32 e1000_mng_enable_host_if(struct e1000_hw *hw) } /** - * e1000e_check_mng_mode - check managament mode + * e1000e_check_mng_mode - check management mode * @hw: pointer to the HW structure * * Reads the firmware semaphore register and returns true (>0) if diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index 3031d6d1624..7824bc2993a 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -1006,7 +1006,7 @@ static void e1000_irq_enable(struct e1000_adapter *adapter) * e1000_get_hw_control - get control of the h/w from f/w * @adapter: address of board private structure * - * e1000_get_hw_control sets {CTRL_EXT|FWSM}:DRV_LOAD bit. + * e1000_get_hw_control sets {CTRL_EXT|SWSM}:DRV_LOAD bit. * For ASF and Pass Through versions of f/w this means that * the driver is loaded. For AMT version (only with 82573) * of the f/w this means that the network i/f is open. @@ -1032,7 +1032,7 @@ static void e1000_get_hw_control(struct e1000_adapter *adapter) * e1000_release_hw_control - release control of the h/w to f/w * @adapter: address of board private structure * - * e1000_release_hw_control resets {CTRL_EXT|FWSM}:DRV_LOAD bit. + * e1000_release_hw_control resets {CTRL_EXT|SWSM}:DRV_LOAD bit. * For ASF and Pass Through versions of f/w this means that the * driver is no longer loaded. For AMT version (only with 82573) i * of the f/w this means that the network i/f is closed. @@ -1241,6 +1241,11 @@ void e1000e_free_rx_resources(struct e1000_adapter *adapter) /** * e1000_update_itr - update the dynamic ITR value based on statistics + * @adapter: pointer to adapter + * @itr_setting: current adapter->itr + * @packets: the number of packets during this measurement interval + * @bytes: the number of bytes during this measurement interval + * * Stores a new ITR value based on packets and byte * counts during the last interrupt. The advantage of per interrupt * computation is faster updates and more accurate ITR for the current @@ -1250,10 +1255,6 @@ void e1000e_free_rx_resources(struct e1000_adapter *adapter) * while increasing bulk throughput. * this functionality is controlled by the InterruptThrottleRate module * parameter (see e1000_param.c) - * @adapter: pointer to adapter - * @itr_setting: current adapter->itr - * @packets: the number of packets during this measurement interval - * @bytes: the number of bytes during this measurement interval **/ static unsigned int e1000_update_itr(struct e1000_adapter *adapter, u16 itr_setting, int packets, @@ -1366,6 +1367,7 @@ set_itr_now: /** * e1000_clean - NAPI Rx polling callback * @adapter: board private structure + * @budget: amount of packets driver is allowed to process this poll **/ static int e1000_clean(struct napi_struct *napi, int budget) { @@ -2000,7 +2002,7 @@ static void e1000_power_down_phy(struct e1000_adapter *adapter) e1000_check_reset_block(hw)) return; - /* managebility (AMT) is enabled */ + /* manageability (AMT) is enabled */ if (er32(MANC) & E1000_MANC_SMBUS_EN) return; diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c index fc6fee112f1..dab3c468a76 100644 --- a/drivers/net/e1000e/phy.c +++ b/drivers/net/e1000e/phy.c @@ -121,7 +121,7 @@ s32 e1000e_phy_reset_dsp(struct e1000_hw *hw) * @offset: register offset to be read * @data: pointer to the read data * - * Reads the MDI control regsiter in the PHY at offset and stores the + * Reads the MDI control register in the PHY at offset and stores the * information read to data. **/ static s32 e1000_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data) @@ -1172,7 +1172,7 @@ s32 e1000e_set_d3_lplu_state(struct e1000_hw *hw, bool active) } /** - * e1000e_check_downshift - Checks whether a downshift in speed occured + * e1000e_check_downshift - Checks whether a downshift in speed occurred * @hw: pointer to the HW structure * * Success returns 0, Failure returns 1 @@ -1388,8 +1388,8 @@ s32 e1000e_get_cable_length_m88(struct e1000_hw *hw) * * The automatic gain control (agc) normalizes the amplitude of the * received signal, adjusting for the attenuation produced by the - * cable. By reading the AGC registers, which reperesent the - * cobination of course and fine gain value, the value can be put + * cable. By reading the AGC registers, which represent the + * combination of course and fine gain value, the value can be put * into a lookup table to obtain the approximate cable length * for each channel. **/ @@ -1619,7 +1619,7 @@ s32 e1000e_phy_sw_reset(struct e1000_hw *hw) * Verify the reset block is not blocking us from resetting. Acquire * semaphore (if necessary) and read/set/write the device control reset * bit in the PHY. Wait the appropriate delay time for the device to - * reset and relase the semaphore (if necessary). + * reset and release the semaphore (if necessary). **/ s32 e1000e_phy_hw_reset_generic(struct e1000_hw *hw) { -- cgit v1.2.3 From 3bf319a787a881aa6ad8213b98b93b8de2b6f0e0 Mon Sep 17 00:00:00 2001 From: Auke Kok Date: Thu, 21 Feb 2008 15:11:13 -0800 Subject: e1000e: remove unused read value in ASPM disable code. Signed-off-by: Auke Kok Signed-off-by: Jeff Garzik --- drivers/net/e1000e/netdev.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index 7824bc2993a..fc5c63f4f57 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -3490,7 +3490,6 @@ static int e1000_suspend(struct pci_dev *pdev, pm_message_t state) static void e1000e_disable_l1aspm(struct pci_dev *pdev) { int pos; - u32 cap; u16 val; /* @@ -3505,7 +3504,6 @@ static void e1000e_disable_l1aspm(struct pci_dev *pdev) * active. */ pos = pci_find_capability(pdev, PCI_CAP_ID_EXP); - pci_read_config_dword(pdev, pos + PCI_EXP_LNKCAP, &cap); pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, &val); if (val & 0x2) { dev_warn(&pdev->dev, "Disabling L1 ASPM\n"); -- cgit v1.2.3 From 635adc28087ced0c843d2ecb6d4ae474d0e611cd Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Wed, 20 Feb 2008 20:09:23 +0000 Subject: pata_atiixp: Use 255 sector limit AHCI needs sorting too but this deals with the old interface Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/pata_atiixp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_atiixp.c b/drivers/ata/pata_atiixp.c index 9623f529553..408bdc1a977 100644 --- a/drivers/ata/pata_atiixp.c +++ b/drivers/ata/pata_atiixp.c @@ -227,7 +227,7 @@ static struct scsi_host_template atiixp_sht = { .queuecommand = ata_scsi_queuecmd, .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, - .sg_tablesize = LIBATA_MAX_PRD, + .sg_tablesize = LIBATA_DUMB_MAX_PRD, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, @@ -259,7 +259,7 @@ static struct ata_port_operations atiixp_port_ops = { .bmdma_stop = atiixp_bmdma_stop, .bmdma_status = ata_bmdma_status, - .qc_prep = ata_qc_prep, + .qc_prep = ata_dumb_qc_prep, .qc_issue = ata_qc_issue_prot, .data_xfer = ata_data_xfer, -- cgit v1.2.3 From 559bbe6cbd0d8c68d40076a5f7dc98e3bf5864b2 Mon Sep 17 00:00:00 2001 From: Pavel Machek Date: Thu, 21 Feb 2008 13:56:55 +0100 Subject: power_state: get rid of write-only variable in SATA power_state is scheduled for removal, and libata uses it in write-only mode. Remove it. Signed-off-by: Pavel Machek Signed-off-by: Jeff Garzik --- drivers/ata/libata-core.c | 3 --- 1 file changed, 3 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 4cf8662df99..9812bbf05e6 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -6560,8 +6560,6 @@ int ata_host_suspend(struct ata_host *host, pm_message_t mesg) ata_lpm_enable(host); rc = ata_host_request_pm(host, mesg, 0, ATA_EHI_QUIET, 1); - if (rc == 0) - host->dev->power.power_state = mesg; return rc; } @@ -6580,7 +6578,6 @@ void ata_host_resume(struct ata_host *host) { ata_host_request_pm(host, PMSG_ON, ATA_EH_SOFTRESET, ATA_EHI_NO_AUTOPSY | ATA_EHI_QUIET, 0); - host->dev->power.power_state = PMSG_ON; /* reenable link pm */ ata_lpm_disable(host); -- cgit v1.2.3 From 9116300634c5c76cfcd0d2af689846e04d172256 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Thu, 21 Feb 2008 13:25:50 +0900 Subject: libata: automatically use DMADIR if drive/bridge requires it Back in 2.6.17-rc2, a libata module parameter was added for atapi_dmadir. That's nice, but most SATA devices which need it will tell us about it in their IDENTIFY PACKET response, as bit-15 of word-62 of the returned data (as per ATA7, ATA8 specifications). So for those which specify it, we should automatically use the DMADIR bit. Otherwise, disc writing will fail by default on many SATA-ATAPI drives. This patch adds ATA_DFLAG_DMADIR and make ata_dev_configure() set it if atapi_dmadir is set or identify data indicates DMADIR is necessary. atapi_xlat() is converted to check ATA_DFLAG_DMADIR before setting DMADIR. Original patch is from Mark Lord. Signed-off-by: Tejun Heo Cc: Mark Lord Signed-off-by: Jeff Garzik --- drivers/ata/libata-core.c | 11 +++++++++-- drivers/ata/libata-scsi.c | 3 ++- include/linux/ata.h | 5 +++++ include/linux/libata.h | 1 + 4 files changed, 17 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 9812bbf05e6..1845119cc7f 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2396,6 +2396,7 @@ int ata_dev_configure(struct ata_device *dev) else if (dev->class == ATA_DEV_ATAPI) { const char *cdb_intr_string = ""; const char *atapi_an_string = ""; + const char *dma_dir_string = ""; u32 sntf; rc = atapi_cdb_len(id); @@ -2436,13 +2437,19 @@ int ata_dev_configure(struct ata_device *dev) cdb_intr_string = ", CDB intr"; } + if (atapi_dmadir || atapi_id_dmadir(dev->id)) { + dev->flags |= ATA_DFLAG_DMADIR; + dma_dir_string = ", DMADIR"; + } + /* print device info to dmesg */ if (ata_msg_drv(ap) && print_info) ata_dev_printk(dev, KERN_INFO, - "ATAPI: %s, %s, max %s%s%s\n", + "ATAPI: %s, %s, max %s%s%s%s\n", modelbuf, fwrevbuf, ata_mode_string(xfer_mask), - cdb_intr_string, atapi_an_string); + cdb_intr_string, atapi_an_string, + dma_dir_string); } /* determine max_sectors */ diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index f888babc828..0562b0a49f3 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -2582,7 +2582,8 @@ static unsigned int atapi_xlat(struct ata_queued_cmd *qc) qc->tf.protocol = ATAPI_PROT_DMA; qc->tf.feature |= ATAPI_PKT_DMA; - if (atapi_dmadir && (scmd->sc_data_direction != DMA_TO_DEVICE)) + if ((dev->flags & ATA_DFLAG_DMADIR) && + (scmd->sc_data_direction != DMA_TO_DEVICE)) /* some SATA bridges need us to indicate data xfer direction */ qc->tf.feature |= ATAPI_DMADIR; } diff --git a/include/linux/ata.h b/include/linux/ata.h index 78bbacaed8c..1c622e2b050 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -659,6 +659,11 @@ static inline int atapi_command_packet_set(const u16 *dev_id) return (dev_id[0] >> 8) & 0x1f; } +static inline int atapi_id_dmadir(const u16 *dev_id) +{ + return ata_id_major_version(dev_id) >= 7 && (dev_id[62] & 0x8000); +} + static inline int is_multi_taskfile(struct ata_taskfile *tf) { return (tf->command == ATA_CMD_READ_MULTI) || diff --git a/include/linux/libata.h b/include/linux/libata.h index ce7603a7315..a05f6001364 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -138,6 +138,7 @@ enum { ATA_DFLAG_AN = (1 << 7), /* AN configured */ ATA_DFLAG_HIPM = (1 << 8), /* device supports HIPM */ ATA_DFLAG_DIPM = (1 << 9), /* device supports DIPM */ + ATA_DFLAG_DMADIR = (1 << 10), /* device requires DMADIR */ ATA_DFLAG_CFG_MASK = (1 << 12) - 1, ATA_DFLAG_PIO = (1 << 12), /* device limited to PIO mode */ -- cgit v1.2.3 From 39f25e70ca37b8a719e8274e6f3ec2ce2ea8df04 Mon Sep 17 00:00:00 2001 From: Mark Lord Date: Thu, 21 Feb 2008 15:52:25 -0500 Subject: libata-pmp: clear hob for pmp register accesses >> Mark Lord wrote: >>> Tejun, I've added PMP to sata_mv, and am now trying to get it >>> to work with a Marvell PM attached. >>> >>> And the behaviour I see is very bizarre. >>> >>> After hard+soft resets, the PM signature is found, >>> and libata interrogates the PM registers. >>> >>> It successfully reads register 0, and then register 1. >>> But all subsequent registers read out (incorrectly) as zeros. ... This behavior has been confirmed by Marvell with a SATA analyzer. The Marvell port-multiplier apparently likes to see clean HOB information when accessing PMP registers. Since sata_mv uses PIO shadow register access, this doesn't happen automatically, as it might in a more purely FIS-based driver (eg. ahci). One way to fix this is to flag these commands with ATA_TFLAG_LBA48, forcing libata to write out the HOB fields with known (zero) values. Signed-off-by: Saeed Bishara Acked-by: Mark Lord Signed-off-by: Jeff Garzik --- drivers/ata/libata-pmp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c index caef2bbd4a8..d91f5090ba9 100644 --- a/drivers/ata/libata-pmp.c +++ b/drivers/ata/libata-pmp.c @@ -35,7 +35,7 @@ static unsigned int sata_pmp_read(struct ata_link *link, int reg, u32 *r_val) ata_tf_init(pmp_dev, &tf); tf.command = ATA_CMD_PMP_READ; tf.protocol = ATA_PROT_NODATA; - tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; + tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_LBA48; tf.feature = reg; tf.device = link->pmp; @@ -71,7 +71,7 @@ static unsigned int sata_pmp_write(struct ata_link *link, int reg, u32 val) ata_tf_init(pmp_dev, &tf); tf.command = ATA_CMD_PMP_WRITE; tf.protocol = ATA_PROT_NODATA; - tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; + tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_LBA48; tf.feature = reg; tf.device = link->pmp; tf.nsect = val & 0xff; -- cgit v1.2.3 From e39fc8c9fd0bb6f4018186801e4a53a5eccaaf70 Mon Sep 17 00:00:00 2001 From: Shane Huang Date: Fri, 22 Feb 2008 05:00:31 -0800 Subject: [libata] ahci: AMD SB700/SB800 SATA support 64bit DMA SB700 SATA controller can support 64 bit DMA, the previous commit badc2341579511a247f5993865aa68379e283c5c was added with careless reference to SB600, which should be modified by this patch. Signed-off-by: Shane Huang Signed-off-by: Jeff Garzik --- drivers/ata/ahci.c | 23 +++++++++++++++++------ 1 file changed, 17 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 6dd12f7019a..1db93b61907 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -85,6 +85,7 @@ enum { board_ahci_ign_iferr = 2, board_ahci_sb600 = 3, board_ahci_mv = 4, + board_ahci_sb700 = 5, /* global controller registers */ HOST_CAP = 0x00, /* host capabilities */ @@ -442,6 +443,16 @@ static const struct ata_port_info ahci_port_info[] = { .udma_mask = ATA_UDMA6, .port_ops = &ahci_ops, }, + /* board_ahci_sb700 */ + { + AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL | + AHCI_HFLAG_NO_PMP), + .flags = AHCI_FLAG_COMMON, + .link_flags = AHCI_LFLAG_COMMON, + .pio_mask = 0x1f, /* pio0-4 */ + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_ops, + }, }; static const struct pci_device_id ahci_pci_tbl[] = { @@ -484,12 +495,12 @@ static const struct pci_device_id ahci_pci_tbl[] = { /* ATI */ { PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */ - { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb600 }, /* ATI SB700/800 */ - { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb600 }, /* ATI SB700/800 */ - { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb600 }, /* ATI SB700/800 */ - { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb600 }, /* ATI SB700/800 */ - { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb600 }, /* ATI SB700/800 */ - { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb600 }, /* ATI SB700/800 */ + { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700 }, /* ATI SB700/800 */ + { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb700 }, /* ATI SB700/800 */ + { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb700 }, /* ATI SB700/800 */ + { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb700 }, /* ATI SB700/800 */ + { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */ + { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */ /* VIA */ { PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */ -- cgit v1.2.3 From b1f5dc48e2dcfcacb37d0bc2c5658f0f3307da52 Mon Sep 17 00:00:00 2001 From: Anton Vorontsov Date: Fri, 22 Feb 2008 19:54:25 +0300 Subject: sata_fsl: fix build with ATA_VERBOSE_DEBUG MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch fixes build and few warnings when ATA_VERBOSE_DEBUG is defined: CC drivers/ata/sata_fsl.o drivers/ata/sata_fsl.c: In function ‘sata_fsl_fill_sg’: drivers/ata/sata_fsl.c:338: warning: format ‘%x’ expects type ‘unsigned int’, but argument 3 has type ‘void *’ drivers/ata/sata_fsl.c:338: warning: format ‘%x’ expects type ‘unsigned int’, but argument 4 has type ‘struct prde *’ drivers/ata/sata_fsl.c: In function ‘sata_fsl_qc_issue’: drivers/ata/sata_fsl.c:459: error: ‘csr_base’ undeclared (first use in this function) drivers/ata/sata_fsl.c:459: error: (Each undeclared identifier is reported only once drivers/ata/sata_fsl.c:459: error: for each function it appears in.) drivers/ata/sata_fsl.c: In function ‘sata_fsl_freeze’: drivers/ata/sata_fsl.c:525: error: ‘csr_base’ undeclared (first use in this function) make[2]: *** [drivers/ata/sata_fsl.o] Error 1 Signed-off-by: Anton Vorontsov Signed-off-by: Jeff Garzik --- drivers/ata/sata_fsl.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c index 9323dd0c7d8..07791a7a48a 100644 --- a/drivers/ata/sata_fsl.c +++ b/drivers/ata/sata_fsl.c @@ -335,7 +335,7 @@ static unsigned int sata_fsl_fill_sg(struct ata_queued_cmd *qc, void *cmd_desc, dma_addr_t indirect_ext_segment_paddr; unsigned int si; - VPRINTK("SATA FSL : cd = 0x%x, prd = 0x%x\n", cmd_desc, prd); + VPRINTK("SATA FSL : cd = 0x%p, prd = 0x%p\n", cmd_desc, prd); indirect_ext_segment_paddr = cmd_desc_paddr + SATA_FSL_CMD_DESC_OFFSET_TO_PRDT + SATA_FSL_MAX_PRD_DIRECT * 16; @@ -459,7 +459,8 @@ static unsigned int sata_fsl_qc_issue(struct ata_queued_cmd *qc) VPRINTK("CE=0x%x, DE=0x%x, CC=0x%x, CmdStat = 0x%x\n", ioread32(CE + hcr_base), ioread32(DE + hcr_base), - ioread32(CC + hcr_base), ioread32(COMMANDSTAT + csr_base)); + ioread32(CC + hcr_base), + ioread32(COMMANDSTAT + host_priv->csr_base)); return 0; } @@ -522,7 +523,8 @@ static void sata_fsl_freeze(struct ata_port *ap) ioread32(CQ + hcr_base), ioread32(CA + hcr_base), ioread32(CE + hcr_base), ioread32(DE + hcr_base)); - VPRINTK("CmdStat = 0x%x\n", ioread32(csr_base + COMMANDSTAT)); + VPRINTK("CmdStat = 0x%x\n", + ioread32(host_priv->csr_base + COMMANDSTAT)); /* disable interrupts on the controller/port */ temp = ioread32(hcr_base + HCONTROL); -- cgit v1.2.3 From 4cdfa1b3ce4731dd538ac3ed010bcf127ed6e836 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Fri, 22 Feb 2008 12:21:37 -0800 Subject: libata-core: fix kernel-doc warning Fix libata-core kernel-doc warning: Warning(linux-2.6.25-rc2-git6//drivers/ata/libata-core.c:168): No description found for parameter 'ap' Signed-off-by: Randy Dunlap Signed-off-by: Jeff Garzik --- drivers/ata/libata-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 1845119cc7f..fbc24358ada 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -153,7 +153,7 @@ MODULE_VERSION(DRV_VERSION); /** * ata_force_cbl - force cable type according to libata.force - * @link: ATA link of interest + * @ap: ATA port of interest * * Force cable type according to libata.force and whine about it. * The last entry which has matching port number is used, so it -- cgit v1.2.3 From a92b36ed33800435a2356a78489e129aaf30f673 Mon Sep 17 00:00:00 2001 From: Wolfram Sang Date: Sun, 24 Feb 2008 20:03:42 +0100 Subject: i2c-pxa: Misc fixes While working on the PCA9564-platform driver, I sometimes had a glimpse at the pxa-driver. I found some suspicious places, and this patch contains my suggestions. Note: They are not tested, due to no hardware. [JD: Some more fixes.] Signed-off-by: Wolfram Sang Signed-off-by: Jean Delvare Tested-by: Mike Rapoport Tested-by: Eric Miao --- drivers/i2c/busses/i2c-pxa.c | 25 ++++++++++++++----------- 1 file changed, 14 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c index 2b557bfd7f7..2d2087ad708 100644 --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c @@ -999,7 +999,14 @@ static int i2c_pxa_probe(struct platform_device *dev) spin_lock_init(&i2c->lock); init_waitqueue_head(&i2c->wait); - sprintf(i2c->adap.name, "pxa_i2c-i2c.%u", dev->id); + /* + * If "dev->id" is negative we consider it as zero. + * The reason to do so is to avoid sysfs names that only make + * sense when there are multiple adapters. + */ + i2c->adap.nr = dev->id != -1 ? dev->id : 0; + snprintf(i2c->adap.name, sizeof(i2c->adap.name), "pxa_i2c-i2c.%u", + i2c->adap.nr); i2c->clk = clk_get(&dev->dev, "I2CCLK"); if (IS_ERR(i2c->clk)) { @@ -1050,13 +1057,6 @@ static int i2c_pxa_probe(struct platform_device *dev) i2c->adap.algo_data = i2c; i2c->adap.dev.parent = &dev->dev; - /* - * If "dev->id" is negative we consider it as zero. - * The reason to do so is to avoid sysfs names that only make - * sense when there are multiple adapters. - */ - i2c->adap.nr = dev->id != -1 ? dev->id : 0; - ret = i2c_add_numbered_adapter(&i2c->adap); if (ret < 0) { printk(KERN_INFO "I2C: Failed to add bus\n"); @@ -1080,6 +1080,7 @@ eadapt: ereqirq: clk_disable(i2c->clk); i2c_pxa_disable(dev); + iounmap(i2c->reg_base); eremap: clk_put(i2c->clk); eclk: @@ -1089,7 +1090,7 @@ emalloc: return ret; } -static int i2c_pxa_remove(struct platform_device *dev) +static int __exit i2c_pxa_remove(struct platform_device *dev) { struct pxa_i2c *i2c = platform_get_drvdata(dev); @@ -1103,6 +1104,7 @@ static int i2c_pxa_remove(struct platform_device *dev) clk_put(i2c->clk); i2c_pxa_disable(dev); + iounmap(i2c->reg_base); release_mem_region(i2c->iobase, i2c->iosize); kfree(i2c); @@ -1111,9 +1113,10 @@ static int i2c_pxa_remove(struct platform_device *dev) static struct platform_driver i2c_pxa_driver = { .probe = i2c_pxa_probe, - .remove = i2c_pxa_remove, + .remove = __exit_p(i2c_pxa_remove), .driver = { .name = "pxa2xx-i2c", + .owner = THIS_MODULE, }, }; @@ -1122,7 +1125,7 @@ static int __init i2c_adap_pxa_init(void) return platform_driver_register(&i2c_pxa_driver); } -static void i2c_adap_pxa_exit(void) +static void __exit i2c_adap_pxa_exit(void) { platform_driver_unregister(&i2c_pxa_driver); } -- cgit v1.2.3 From 305183fc3ec8aac55179ef0fcb65dab9b97a9145 Mon Sep 17 00:00:00 2001 From: Tobias Klauser Date: Sun, 24 Feb 2008 20:03:42 +0100 Subject: i2c: Storage class should be before const qualifier The C99 specification states in section 6.11.5: The placement of a storage-class specifier other than at the beginning of the declaration specifiers in a declaration is an obsolescent feature. Signed-off-by: Tobias Klauser Signed-off-by: Jean Delvare --- drivers/i2c/busses/i2c-pmcmsp.c | 4 ++-- include/linux/i2c.h | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/i2c/busses/i2c-pmcmsp.c b/drivers/i2c/busses/i2c-pmcmsp.c index be99c02ecac..b03af5653c6 100644 --- a/drivers/i2c/busses/i2c-pmcmsp.c +++ b/drivers/i2c/busses/i2c-pmcmsp.c @@ -122,7 +122,7 @@ struct pmcmsptwi_data { }; /* The default settings */ -const static struct pmcmsptwi_clockcfg pmcmsptwi_defclockcfg = { +static const struct pmcmsptwi_clockcfg pmcmsptwi_defclockcfg = { .standard = { .filter = 0x3, .clock = 0x1f, @@ -133,7 +133,7 @@ const static struct pmcmsptwi_clockcfg pmcmsptwi_defclockcfg = { }, }; -const static struct pmcmsptwi_cfg pmcmsptwi_defcfg = { +static const struct pmcmsptwi_cfg pmcmsptwi_defcfg = { .arbf = 0x03, .nak = 0x03, .add10 = 0x00, diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 76014f8f3c6..2d1c608eb5d 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -598,7 +598,7 @@ I2C_CLIENT_MODULE_PARM(probe, "List of adapter,address pairs to scan " \ "additionally"); \ I2C_CLIENT_MODULE_PARM(ignore, "List of adapter,address pairs not to " \ "scan"); \ -const static struct i2c_client_address_data addr_data = { \ +static const struct i2c_client_address_data addr_data = { \ .normal_i2c = normal_i2c, \ .probe = probe, \ .ignore = ignore, \ -- cgit v1.2.3 From 104cb574feb3033299568483a3f68031f47e0d43 Mon Sep 17 00:00:00 2001 From: Christian Krafft Date: Sun, 24 Feb 2008 20:03:42 +0100 Subject: i2c-pca-isa: Add access check to legacy ioports When probing i2c-pca-isa writes to legacy ioports, which crashes the kernel if there is no device at that port. This patch adds a check_legacy_ioport call, so probe fails gracefully and thus prevents the oops. Signed-off-by: Christian Krafft Signed-off-by: Jean Delvare --- drivers/i2c/busses/i2c-pca-isa.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers') diff --git a/drivers/i2c/busses/i2c-pca-isa.c b/drivers/i2c/busses/i2c-pca-isa.c index 5161aaf9341..496ee875eb4 100644 --- a/drivers/i2c/busses/i2c-pca-isa.c +++ b/drivers/i2c/busses/i2c-pca-isa.c @@ -125,6 +125,13 @@ static int __devinit pca_isa_probe(struct device *dev, unsigned int id) dev_info(dev, "i/o base %#08lx. irq %d\n", base, irq); +#ifdef CONFIG_PPC_MERGE + if (check_legacy_ioport(base)) { + dev_err(dev, "I/O address %#08lx is not available\n", base); + goto out; + } +#endif + if (!request_region(base, IO_SIZE, "i2c-pca-isa")) { dev_err(dev, "I/O address %#08lx is in use\n", base); goto out; -- cgit v1.2.3 From d28dc711217a2d5cafb64ec4e33a469b01376d91 Mon Sep 17 00:00:00 2001 From: "Gaston, Jason D" Date: Sun, 24 Feb 2008 20:03:42 +0100 Subject: i2c-i801: Add support for the ICH10 Add the Intel ICH10 SMBus Controller DeviceID's and updates Tolapai support. Signed-off-by: Jason Gaston Signed-off-by: Jean Delvare --- Documentation/i2c/busses/i2c-i801 | 3 ++- drivers/i2c/busses/Kconfig | 2 ++ drivers/i2c/busses/i2c-i801.c | 10 ++++++++-- 3 files changed, 12 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/Documentation/i2c/busses/i2c-i801 b/Documentation/i2c/busses/i2c-i801 index 3bd95836015..c31e0291e16 100644 --- a/Documentation/i2c/busses/i2c-i801 +++ b/Documentation/i2c/busses/i2c-i801 @@ -12,8 +12,9 @@ Supported adapters: * Intel 82801G (ICH7) * Intel 631xESB/632xESB (ESB2) * Intel 82801H (ICH8) - * Intel ICH9 + * Intel 82801I (ICH9) * Intel Tolapai + * Intel ICH10 Datasheets: Publicly available at the Intel website Authors: diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index b61f56b6f31..476b0bb72d6 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -177,6 +177,8 @@ config I2C_I801 ESB2 ICH8 ICH9 + Tolapai + ICH10 This driver can also be built as a module. If so, the module will be called i2c-i801. diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index aa9157913b9..b0f771fe432 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -40,7 +40,9 @@ 82801G (ICH7) 0x27da 32 hard yes yes yes 82801H (ICH8) 0x283e 32 hard yes yes yes 82801I (ICH9) 0x2930 32 hard yes yes yes - Tolapai 0x5032 32 hard yes ? ? + Tolapai 0x5032 32 hard yes yes yes + ICH10 0x3a30 32 hard yes yes yes + ICH10 0x3a60 32 hard yes yes yes Features supported by this driver: Software PEC no @@ -588,6 +590,8 @@ static struct pci_device_id i801_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_5) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9_6) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TOLAPAI_1) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH10_4) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH10_5) }, { 0, } }; @@ -608,10 +612,12 @@ static int __devinit i801_probe(struct pci_dev *dev, const struct pci_device_id case PCI_DEVICE_ID_INTEL_ESB2_17: case PCI_DEVICE_ID_INTEL_ICH8_5: case PCI_DEVICE_ID_INTEL_ICH9_6: + case PCI_DEVICE_ID_INTEL_TOLAPAI_1: + case PCI_DEVICE_ID_INTEL_ICH10_4: + case PCI_DEVICE_ID_INTEL_ICH10_5: i801_features |= FEATURE_I2C_BLOCK_READ; /* fall through */ case PCI_DEVICE_ID_INTEL_82801DB_3: - case PCI_DEVICE_ID_INTEL_TOLAPAI_1: i801_features |= FEATURE_SMBUS_PEC; i801_features |= FEATURE_BLOCK_BUFFER; break; -- cgit v1.2.3 From 0711d857605ba598cd6d4254462d1419b233321b Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Mon, 25 Feb 2008 15:16:50 +0800 Subject: Blackfin Serial Driver: Fix bug - Increase buffer tail immediately before starting tx dma. http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=2920 Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu --- drivers/serial/bfin_5xx.c | 32 ++++++++++++++++++-------------- 1 file changed, 18 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index 69ac7007682..2fb3081c502 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -64,15 +64,20 @@ static void bfin_serial_mctrl_check(struct bfin_serial_port *uart); static void bfin_serial_stop_tx(struct uart_port *port) { struct bfin_serial_port *uart = (struct bfin_serial_port *)port; + struct circ_buf *xmit = &uart->port.info->xmit; #if !defined(CONFIG_BF54x) && !defined(CONFIG_SERIAL_BFIN_DMA) unsigned short ier; #endif while (!(UART_GET_LSR(uart) & TEMT)) - continue; + cpu_relax(); #ifdef CONFIG_SERIAL_BFIN_DMA disable_dma(uart->tx_dma_channel); + xmit->tail = (xmit->tail + uart->tx_count) & (UART_XMIT_SIZE - 1); + uart->port.icount.tx += uart->tx_count; + uart->tx_count = 0; + uart->tx_done = 1; #else #ifdef CONFIG_BF54x /* Clear TFI bit */ @@ -94,7 +99,8 @@ static void bfin_serial_start_tx(struct uart_port *port) struct bfin_serial_port *uart = (struct bfin_serial_port *)port; #ifdef CONFIG_SERIAL_BFIN_DMA - bfin_serial_dma_tx_chars(uart); + if (uart->tx_done) + bfin_serial_dma_tx_chars(uart); #else #ifdef CONFIG_BF54x UART_SET_IER(uart, ETBEI); @@ -389,12 +395,10 @@ static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart) unsigned short ier; int flags = 0; - if (!uart->tx_done) - return; uart->tx_done = 0; if (uart_circ_empty(xmit) || uart_tx_stopped(&uart->port)) { - bfin_serial_stop_tx(&uart->port); + uart->tx_count = 0; uart->tx_done = 1; return; } @@ -428,9 +432,6 @@ static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart) set_dma_x_modify(uart->tx_dma_channel, 1); enable_dma(uart->tx_dma_channel); - xmit->tail = (xmit->tail + uart->tx_count) & (UART_XMIT_SIZE - 1); - uart->port.icount.tx += uart->tx_count; - #ifdef CONFIG_BF54x UART_SET_IER(uart, ETBEI); #else @@ -515,8 +516,8 @@ static irqreturn_t bfin_serial_dma_tx_int(int irq, void *dev_id) spin_lock(&uart->port.lock); if (!(get_dma_curr_irqstat(uart->tx_dma_channel)&DMA_RUN)) { - clear_dma_irqstat(uart->tx_dma_channel); disable_dma(uart->tx_dma_channel); + clear_dma_irqstat(uart->tx_dma_channel); #ifdef CONFIG_BF54x UART_CLEAR_IER(uart, ETBEI); #else @@ -527,7 +528,8 @@ static irqreturn_t bfin_serial_dma_tx_int(int irq, void *dev_id) if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) uart_write_wakeup(&uart->port); - uart->tx_done = 1; + xmit->tail = (xmit->tail + uart->tx_count) & (UART_XMIT_SIZE - 1); + uart->port.icount.tx += uart->tx_count; bfin_serial_dma_tx_chars(uart); } @@ -542,12 +544,14 @@ static irqreturn_t bfin_serial_dma_rx_int(int irq, void *dev_id) unsigned short irqstat; uart->rx_dma_nrows++; - if (uart->rx_dma_nrows == DMA_RX_YCOUNT) { + uart->rx_dma_buf.tail = DMA_RX_XCOUNT * uart->rx_dma_nrows; + bfin_serial_dma_rx_chars(uart); + if (uart->rx_dma_nrows >= DMA_RX_YCOUNT) { uart->rx_dma_nrows = 0; - uart->rx_dma_buf.tail = DMA_RX_XCOUNT*DMA_RX_YCOUNT; - bfin_serial_dma_rx_chars(uart); - uart->rx_dma_buf.head = uart->rx_dma_buf.tail = 0; + uart->rx_dma_buf.tail = 0; } + uart->rx_dma_buf.head = uart->rx_dma_buf.tail; + spin_lock(&uart->port.lock); irqstat = get_dma_curr_irqstat(uart->rx_dma_channel); clear_dma_irqstat(uart->rx_dma_channel); -- cgit v1.2.3 From 56f5de8fe7c127f6fb94b7a061d53090fd4a1c49 Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Mon, 25 Feb 2008 15:19:09 +0800 Subject: Blackfin Serial Driver: Fix bug - update tx dma buffer tail before wake up processes. Also make rx dma buffer work as a loop. Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu --- drivers/serial/bfin_5xx.c | 51 +++++++++++++++++++++++++++-------------------- 1 file changed, 29 insertions(+), 22 deletions(-) (limited to 'drivers') diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index 2fb3081c502..2a411748579 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -415,7 +415,6 @@ static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart) */ bfin_serial_mctrl_check(uart); - spin_lock_irqsave(&uart->port.lock, flags); uart->tx_count = CIRC_CNT(xmit->head, xmit->tail, UART_XMIT_SIZE); if (uart->tx_count > (UART_XMIT_SIZE - xmit->tail)) uart->tx_count = UART_XMIT_SIZE - xmit->tail; @@ -439,7 +438,6 @@ static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart) ier |= ETBEI; UART_PUT_IER(uart, ier); #endif - spin_unlock_irqrestore(&uart->port.lock, flags); } static void bfin_serial_dma_rx_chars(struct bfin_serial_port *uart) @@ -450,7 +448,9 @@ static void bfin_serial_dma_rx_chars(struct bfin_serial_port *uart) status = UART_GET_LSR(uart); UART_CLEAR_LSR(uart); - uart->port.icount.rx += CIRC_CNT(uart->rx_dma_buf.head, uart->rx_dma_buf.tail, UART_XMIT_SIZE);; + uart->port.icount.rx += + CIRC_CNT(uart->rx_dma_buf.head, uart->rx_dma_buf.tail, + UART_XMIT_SIZE); if (status & BI) { uart->port.icount.brk++; @@ -476,10 +476,12 @@ static void bfin_serial_dma_rx_chars(struct bfin_serial_port *uart) else flg = TTY_NORMAL; - for (i = uart->rx_dma_buf.head; i < uart->rx_dma_buf.tail; i++) { - if (uart_handle_sysrq_char(&uart->port, uart->rx_dma_buf.buf[i])) - goto dma_ignore_char; - uart_insert_char(&uart->port, status, OE, uart->rx_dma_buf.buf[i], flg); + for (i = uart->rx_dma_buf.tail; i != uart->rx_dma_buf.head; i++) { + if (i >= UART_XMIT_SIZE) + i = 0; + if (!uart_handle_sysrq_char(&uart->port, uart->rx_dma_buf.buf[i])) + uart_insert_char(&uart->port, status, OE, + uart->rx_dma_buf.buf[i], flg); } dma_ignore_char: @@ -492,16 +494,20 @@ void bfin_serial_rx_dma_timeout(struct bfin_serial_port *uart) int flags = 0; spin_lock_irqsave(&uart->port.lock, flags); - x_pos = DMA_RX_XCOUNT - get_dma_curr_xcount(uart->rx_dma_channel); + uart->rx_dma_nrows = get_dma_curr_ycount(uart->rx_dma_channel); + x_pos = get_dma_curr_xcount(uart->rx_dma_channel); + uart->rx_dma_nrows = DMA_RX_YCOUNT - uart->rx_dma_nrows; + if (uart->rx_dma_nrows == DMA_RX_YCOUNT) + uart->rx_dma_nrows = 0; + x_pos = DMA_RX_XCOUNT - x_pos; if (x_pos == DMA_RX_XCOUNT) x_pos = 0; pos = uart->rx_dma_nrows * DMA_RX_XCOUNT + x_pos; - - if (pos>uart->rx_dma_buf.tail) { - uart->rx_dma_buf.tail = pos; + if (pos != uart->rx_dma_buf.tail) { + uart->rx_dma_buf.head = pos; bfin_serial_dma_rx_chars(uart); - uart->rx_dma_buf.head = uart->rx_dma_buf.tail; + uart->rx_dma_buf.tail = uart->rx_dma_buf.head; } spin_unlock_irqrestore(&uart->port.lock, flags); uart->rx_dma_timer.expires = jiffies + DMA_RX_FLUSH_JIFFIES; @@ -525,12 +531,12 @@ static irqreturn_t bfin_serial_dma_tx_int(int irq, void *dev_id) ier &= ~ETBEI; UART_PUT_IER(uart, ier); #endif - if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) - uart_write_wakeup(&uart->port); - xmit->tail = (xmit->tail + uart->tx_count) & (UART_XMIT_SIZE - 1); uart->port.icount.tx += uart->tx_count; + if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) + uart_write_wakeup(&uart->port); + bfin_serial_dma_tx_chars(uart); } @@ -542,15 +548,16 @@ static irqreturn_t bfin_serial_dma_rx_int(int irq, void *dev_id) { struct bfin_serial_port *uart = dev_id; unsigned short irqstat; + int pos; - uart->rx_dma_nrows++; - uart->rx_dma_buf.tail = DMA_RX_XCOUNT * uart->rx_dma_nrows; - bfin_serial_dma_rx_chars(uart); - if (uart->rx_dma_nrows >= DMA_RX_YCOUNT) { - uart->rx_dma_nrows = 0; - uart->rx_dma_buf.tail = 0; + uart->rx_dma_nrows = DMA_RX_YCOUNT - + get_dma_curr_ycount(uart->rx_dma_channel); + pos = DMA_RX_XCOUNT * uart->rx_dma_nrows; + if (pos != uart->rx_dma_buf.tail) { + uart->rx_dma_buf.head = pos; + bfin_serial_dma_rx_chars(uart); + uart->rx_dma_buf.tail = uart->rx_dma_buf.head; } - uart->rx_dma_buf.head = uart->rx_dma_buf.tail; spin_lock(&uart->port.lock); irqstat = get_dma_curr_irqstat(uart->rx_dma_channel); -- cgit v1.2.3 From c5c61bda5ecceaa0f16d326cd2c2147468a4c443 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Mon, 25 Feb 2008 02:07:25 +0200 Subject: make atapi_dmadir static atapi_dmadir can now become static. Signed-off-by: Adrian Bunk Signed-off-by: Jeff Garzik --- drivers/ata/libata-core.c | 2 +- drivers/ata/libata.h | 1 - 2 files changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index fbc24358ada..b57fad3eb24 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -113,7 +113,7 @@ int atapi_enabled = 1; module_param(atapi_enabled, int, 0444); MODULE_PARM_DESC(atapi_enabled, "Enable discovery of ATAPI devices (0=off, 1=on)"); -int atapi_dmadir = 0; +static int atapi_dmadir = 0; module_param(atapi_dmadir, int, 0444); MODULE_PARM_DESC(atapi_dmadir, "Enable ATAPI DMADIR bridge support (0=off, 1=on)"); diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index 6036dedfe37..aa884f71a12 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -56,7 +56,6 @@ enum { extern unsigned int ata_print_id; extern struct workqueue_struct *ata_aux_wq; extern int atapi_enabled; -extern int atapi_dmadir; extern int atapi_passthru16; extern int libata_fua; extern int libata_noacpi; -- cgit v1.2.3 From 72ad6ec48989d4b5477128e739b960be11155036 Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Mon, 25 Feb 2008 17:31:10 -0500 Subject: Revert "power_state: get rid of write-only variable in SATA" This reverts commit 559bbe6cbd0d8c68d40076a5f7dc98e3bf5864b2. Michael S. Tsirkin reports that this changes breaks suspend/resume. Signed-off-by: Jeff Garzik --- drivers/ata/libata-core.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index b57fad3eb24..4fbcce758b0 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -6567,6 +6567,8 @@ int ata_host_suspend(struct ata_host *host, pm_message_t mesg) ata_lpm_enable(host); rc = ata_host_request_pm(host, mesg, 0, ATA_EHI_QUIET, 1); + if (rc == 0) + host->dev->power.power_state = mesg; return rc; } @@ -6585,6 +6587,7 @@ void ata_host_resume(struct ata_host *host) { ata_host_request_pm(host, PMSG_ON, ATA_EH_SOFTRESET, ATA_EHI_NO_AUTOPSY | ATA_EHI_QUIET, 0); + host->dev->power.power_state = PMSG_ON; /* reenable link pm */ ata_lpm_disable(host); -- cgit v1.2.3 From 82d416fffb5e8e39e899be7075dbeeac5fb8f0c2 Mon Sep 17 00:00:00 2001 From: Bryan Rosenburg Date: Wed, 20 Feb 2008 17:31:48 -0600 Subject: RDMA/cxgb3: Fix shift calc in build_phys_page_list() for 1-entry page lists A single entry (addr 0x10001000, size 0x2000) will get converted to page address 0x10000000 with a page size of 0x4000. The code as it stands doesn't address the single buffer case, but in fact it allows the subsequent single-buffer special case to be eliminated entirely. Because the mask now includes the (page adjusted) starting and ending addresses, the general case works for the single buffer case as well. Signed-off-by: Bryan Rosenburg Acked-by: Steve Wise Signed-off-by: Roland Dreier --- drivers/infiniband/hw/cxgb3/iwch_mem.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/hw/cxgb3/iwch_mem.c b/drivers/infiniband/hw/cxgb3/iwch_mem.c index 73bfd1656f8..b8797c66676 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_mem.c +++ b/drivers/infiniband/hw/cxgb3/iwch_mem.c @@ -136,14 +136,8 @@ int build_phys_page_list(struct ib_phys_buf *buffer_list, /* Find largest page shift we can use to cover buffers */ for (*shift = PAGE_SHIFT; *shift < 27; ++(*shift)) - if (num_phys_buf > 1) { - if ((1ULL << *shift) & mask) - break; - } else - if (1ULL << *shift >= - buffer_list[0].size + - (buffer_list[0].addr & ((1ULL << *shift) - 1))) - break; + if ((1ULL << *shift) & mask) + break; buffer_list[0].size += buffer_list[0].addr & ((1ULL << *shift) - 1); buffer_list[0].addr &= ~0ull << *shift; -- cgit v1.2.3 From 9300c0c06788a409a97d54bbe3360d2f385fc621 Mon Sep 17 00:00:00 2001 From: Chien Tung Date: Thu, 21 Feb 2008 07:51:17 -0600 Subject: RDMA/nes: Resurrect error path dead code Adrian Bunk pointed out that a Coverity scan found some apparently dead code in nes_verbs.c that really shouldn't have been dead. The function nes_create_cq() was missing the assignment err = 1; just prior to an iteration that conditionally set err = 0 if a PBL was found for a given virtual CQ. I also noticed we should have been returning -EFAULT on a couple related error paths. Signed-off-by: Chien Tung Signed-off-by: Glenn Streiff Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_verbs.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index 4dafbe16e82..201b95ee23c 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -1327,7 +1327,7 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd, (long long unsigned int)req.user_wqe_buffers); nes_free_resource(nesadapter, nesadapter->allocated_qps, qp_num); kfree(nesqp->allocated_buffer); - return ERR_PTR(-ENOMEM); + return ERR_PTR(-EFAULT); } } @@ -1674,6 +1674,7 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, } nes_debug(NES_DBG_CQ, "CQ Virtual Address = %08lX, size = %u.\n", (unsigned long)req.user_cq_buffer, entries); + err = 1; list_for_each_entry(nespbl, &nes_ucontext->cq_reg_mem_list, list) { if (nespbl->user_base == (unsigned long )req.user_cq_buffer) { list_del(&nespbl->list); @@ -1686,7 +1687,7 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, if (err) { nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num); kfree(nescq); - return ERR_PTR(err); + return ERR_PTR(-EFAULT); } pbl_entries = nespbl->pbl_size >> 3; -- cgit v1.2.3 From 65b07ec29354b345ff93914d064c2467aef4c862 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Thu, 21 Feb 2008 08:01:18 -0600 Subject: RDMA/nes: Fix off-by-one Fix an off-by-one spotted by the Coverity checker. Signed-off-by: Adrian Bunk Signed-off-by: Glenn Streiff Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_verbs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index 201b95ee23c..692f0d82130 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -929,7 +929,7 @@ static struct ib_pd *nes_alloc_pd(struct ib_device *ibdev, NES_MAX_USER_DB_REGIONS, nesucontext->first_free_db); nes_debug(NES_DBG_PD, "find_first_zero_biton doorbells returned %u, mapping pd_id %u.\n", nespd->mmap_db_index, nespd->pd_id); - if (nespd->mmap_db_index > NES_MAX_USER_DB_REGIONS) { + if (nespd->mmap_db_index >= NES_MAX_USER_DB_REGIONS) { nes_debug(NES_DBG_PD, "mmap_db_index > MAX\n"); nes_free_resource(nesadapter, nesadapter->allocated_pds, pd_num); kfree(nespd); -- cgit v1.2.3 From bd49666974a12f39eb9c74044e0b1753efcd94c4 Mon Sep 17 00:00:00 2001 From: Adrian McMenamin Date: Sun, 24 Feb 2008 14:30:23 +0000 Subject: maple: fix device detection The maple bus driver that went into the kernel mainline in September 2007 contained some bugs which were revealed by the update of the kobj code for the current release series. Unfortunately those bugs also helped ensure maple devices were properly detected. This patch (against the current git) now ensures that devices are properly detected again. (A previous attempt to fix this by delaying initialisation only partially fixed this - as became apparent when the bus was fully loaded) Signed-off-by: Adrian McMenamin Signed-off-by: Paul Mundt --- drivers/sh/maple/maple.c | 66 +++++++++++++++++++++++++++++++----------------- 1 file changed, 43 insertions(+), 23 deletions(-) (limited to 'drivers') diff --git a/drivers/sh/maple/maple.c b/drivers/sh/maple/maple.c index 9cfcfd8dad5..617efb1640b 100644 --- a/drivers/sh/maple/maple.c +++ b/drivers/sh/maple/maple.c @@ -1,7 +1,7 @@ /* * Core maple bus functionality * - * Copyright (C) 2007 Adrian McMenamin + * Copyright (C) 2007, 2008 Adrian McMenamin * * Based on 2.4 code by: * @@ -18,7 +18,6 @@ #include #include #include -#include #include #include #include @@ -54,7 +53,7 @@ static struct device maple_bus; static int subdevice_map[MAPLE_PORTS]; static unsigned long *maple_sendbuf, *maple_sendptr, *maple_lastptr; static unsigned long maple_pnp_time; -static int started, scanning, liststatus, realscan; +static int started, scanning, liststatus, fullscan; static struct kmem_cache *maple_queue_cache; struct maple_device_specify { @@ -62,6 +61,9 @@ struct maple_device_specify { int unit; }; +static bool checked[4]; +static struct maple_device *baseunits[4]; + /** * maple_driver_register - register a device driver * automatically makes the driver bus a maple bus @@ -309,11 +311,9 @@ static void maple_attach_driver(struct maple_device *mdev) else break; - if (realscan) { - printk(KERN_INFO "Maple device detected: %s\n", - mdev->product_name); - printk(KERN_INFO "Maple device: %s\n", mdev->product_licence); - } + printk(KERN_INFO "Maple device detected: %s\n", + mdev->product_name); + printk(KERN_INFO "Maple device: %s\n", mdev->product_licence); function = be32_to_cpu(mdev->devinfo.function); @@ -323,10 +323,9 @@ static void maple_attach_driver(struct maple_device *mdev) mdev->driver = &maple_dummy_driver; sprintf(mdev->dev.bus_id, "%d:0.port", mdev->port); } else { - if (realscan) - printk(KERN_INFO - "Maple bus at (%d, %d): Function 0x%lX\n", - mdev->port, mdev->unit, function); + printk(KERN_INFO + "Maple bus at (%d, %d): Function 0x%lX\n", + mdev->port, mdev->unit, function); matched = bus_for_each_drv(&maple_bus_type, NULL, mdev, @@ -334,9 +333,8 @@ static void maple_attach_driver(struct maple_device *mdev) if (matched == 0) { /* Driver does not exist yet */ - if (realscan) - printk(KERN_INFO - "No maple driver found.\n"); + printk(KERN_INFO + "No maple driver found.\n"); mdev->driver = &maple_dummy_driver; } sprintf(mdev->dev.bus_id, "%d:0%d.%lX", mdev->port, @@ -472,9 +470,12 @@ static void maple_response_none(struct maple_device *mdev, maple_detach_driver(mdev); return; } - if (!started) { - printk(KERN_INFO "No maple devices attached to port %d\n", - mdev->port); + if (!started || !fullscan) { + if (checked[mdev->port] == false) { + checked[mdev->port] = true; + printk(KERN_INFO "No maple devices attached" + " to port %d\n", mdev->port); + } return; } maple_clean_submap(mdev); @@ -485,8 +486,14 @@ static void maple_response_devinfo(struct maple_device *mdev, char *recvbuf) { char submask; - if ((!started) || (scanning == 2)) { - maple_attach_driver(mdev); + if (!started || (scanning == 2) || !fullscan) { + if ((mdev->unit == 0) && (checked[mdev->port] == false)) { + checked[mdev->port] = true; + maple_attach_driver(mdev); + } else { + if (mdev->unit != 0) + maple_attach_driver(mdev); + } return; } if (mdev->unit == 0) { @@ -505,6 +512,7 @@ static void maple_dma_handler(struct work_struct *work) struct maple_device *dev; char *recvbuf; enum maple_code code; + int i; if (!maple_dma_done()) return; @@ -557,6 +565,19 @@ static void maple_dma_handler(struct work_struct *work) } else scanning = 0; + if (!fullscan) { + fullscan = 1; + for (i = 0; i < MAPLE_PORTS; i++) { + if (checked[i] == false) { + fullscan = 0; + dev = baseunits[i]; + dev->mq->command = + MAPLE_COMMAND_DEVINFO; + dev->mq->length = 0; + maple_add_packet(dev->mq); + } + } + } if (started == 0) started = 1; } @@ -694,7 +715,9 @@ static int __init maple_bus_init(void) /* setup maple ports */ for (i = 0; i < MAPLE_PORTS; i++) { + checked[i] = false; mdev[i] = maple_alloc_dev(i, 0); + baseunits[i] = mdev[i]; if (!mdev[i]) { while (i-- > 0) maple_free_dev(mdev[i]); @@ -703,12 +726,9 @@ static int __init maple_bus_init(void) mdev[i]->mq->command = MAPLE_COMMAND_DEVINFO; mdev[i]->mq->length = 0; maple_add_packet(mdev[i]->mq); - /* delay aids hardware detection */ - mdelay(5); subdevice_map[i] = 0; } - realscan = 1; /* setup maplebus hardware */ maplebus_dma_reset(); /* initial detection */ -- cgit v1.2.3 From 96de1a8f0275bd67f243833e7088baced518f873 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Tue, 26 Feb 2008 14:52:45 +0900 Subject: serial: Move asm-sh/sci.h to linux/serial_sci.h. This header is needed on other architectures as well (namely h8300), which currently fails to build without this in place. Rather than duplicating the port definition completely there, just move this to a common location instead. This should get h8300 working again for 2.6.25, in addition to the changes already pushed by Sato-san in -rc2. Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh2/setup-sh7619.c | 2 +- arch/sh/kernel/cpu/sh2a/setup-sh7203.c | 2 +- arch/sh/kernel/cpu/sh2a/setup-sh7206.c | 2 +- arch/sh/kernel/cpu/sh3/setup-sh7705.c | 2 +- arch/sh/kernel/cpu/sh3/setup-sh770x.c | 2 +- arch/sh/kernel/cpu/sh3/setup-sh7710.c | 2 +- arch/sh/kernel/cpu/sh3/setup-sh7720.c | 2 +- arch/sh/kernel/cpu/sh4/setup-sh4-202.c | 2 +- arch/sh/kernel/cpu/sh4/setup-sh7750.c | 2 +- arch/sh/kernel/cpu/sh4/setup-sh7760.c | 2 +- arch/sh/kernel/cpu/sh4a/setup-sh7343.c | 2 +- arch/sh/kernel/cpu/sh4a/setup-sh7366.c | 2 +- arch/sh/kernel/cpu/sh4a/setup-sh7722.c | 2 +- arch/sh/kernel/cpu/sh4a/setup-sh7763.c | 2 +- arch/sh/kernel/cpu/sh4a/setup-sh7770.c | 2 +- arch/sh/kernel/cpu/sh4a/setup-sh7780.c | 2 +- arch/sh/kernel/cpu/sh4a/setup-sh7785.c | 2 +- arch/sh/kernel/cpu/sh4a/setup-shx3.c | 2 +- drivers/serial/sh-sci.c | 2 +- include/asm-sh/sci.h | 34 ---------------------------------- include/linux/serial_sci.h | 32 ++++++++++++++++++++++++++++++++ 21 files changed, 51 insertions(+), 53 deletions(-) delete mode 100644 include/asm-sh/sci.h create mode 100644 include/linux/serial_sci.h (limited to 'drivers') diff --git a/arch/sh/kernel/cpu/sh2/setup-sh7619.c b/arch/sh/kernel/cpu/sh2/setup-sh7619.c index b230eb278ce..cc530f4d84d 100644 --- a/arch/sh/kernel/cpu/sh2/setup-sh7619.c +++ b/arch/sh/kernel/cpu/sh2/setup-sh7619.c @@ -10,7 +10,7 @@ #include #include #include -#include +#include enum { UNUSED = 0, diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7203.c b/arch/sh/kernel/cpu/sh2a/setup-sh7203.c index db6ef5cecde..e98dc445035 100644 --- a/arch/sh/kernel/cpu/sh2a/setup-sh7203.c +++ b/arch/sh/kernel/cpu/sh2a/setup-sh7203.c @@ -10,7 +10,7 @@ #include #include #include -#include +#include enum { UNUSED = 0, diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7206.c b/arch/sh/kernel/cpu/sh2a/setup-sh7206.c index a564425b905..e6d4ec445dd 100644 --- a/arch/sh/kernel/cpu/sh2a/setup-sh7206.c +++ b/arch/sh/kernel/cpu/sh2a/setup-sh7206.c @@ -10,7 +10,7 @@ #include #include #include -#include +#include enum { UNUSED = 0, diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7705.c b/arch/sh/kernel/cpu/sh3/setup-sh7705.c index dd0a20a685f..f581534cb73 100644 --- a/arch/sh/kernel/cpu/sh3/setup-sh7705.c +++ b/arch/sh/kernel/cpu/sh3/setup-sh7705.c @@ -12,7 +12,7 @@ #include #include #include -#include +#include #include enum { diff --git a/arch/sh/kernel/cpu/sh3/setup-sh770x.c b/arch/sh/kernel/cpu/sh3/setup-sh770x.c index 9066ed78e28..d3733b13ea5 100644 --- a/arch/sh/kernel/cpu/sh3/setup-sh770x.c +++ b/arch/sh/kernel/cpu/sh3/setup-sh770x.c @@ -16,7 +16,7 @@ #include #include #include -#include +#include enum { UNUSED = 0, diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7710.c b/arch/sh/kernel/cpu/sh3/setup-sh7710.c index 0cc0e2bf135..7406c9ad925 100644 --- a/arch/sh/kernel/cpu/sh3/setup-sh7710.c +++ b/arch/sh/kernel/cpu/sh3/setup-sh7710.c @@ -12,7 +12,7 @@ #include #include #include -#include +#include #include enum { diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7720.c b/arch/sh/kernel/cpu/sh3/setup-sh7720.c index 3855ea4c21c..8028082527c 100644 --- a/arch/sh/kernel/cpu/sh3/setup-sh7720.c +++ b/arch/sh/kernel/cpu/sh3/setup-sh7720.c @@ -16,7 +16,7 @@ #include #include #include -#include +#include #include #define INTC_ICR1 0xA4140010UL diff --git a/arch/sh/kernel/cpu/sh4/setup-sh4-202.c b/arch/sh/kernel/cpu/sh4/setup-sh4-202.c index dab193293f2..7371abf64f8 100644 --- a/arch/sh/kernel/cpu/sh4/setup-sh4-202.c +++ b/arch/sh/kernel/cpu/sh4/setup-sh4-202.c @@ -10,7 +10,7 @@ #include #include #include -#include +#include static struct plat_sci_port sci_platform_data[] = { { diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7750.c b/arch/sh/kernel/cpu/sh4/setup-sh7750.c index ae3603aca61..ec884039b91 100644 --- a/arch/sh/kernel/cpu/sh4/setup-sh7750.c +++ b/arch/sh/kernel/cpu/sh4/setup-sh7750.c @@ -12,7 +12,7 @@ #include #include #include -#include +#include static struct resource rtc_resources[] = { [0] = { diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7760.c b/arch/sh/kernel/cpu/sh4/setup-sh7760.c index 85f81579b97..254c5c55ab9 100644 --- a/arch/sh/kernel/cpu/sh4/setup-sh7760.c +++ b/arch/sh/kernel/cpu/sh4/setup-sh7760.c @@ -10,7 +10,7 @@ #include #include #include -#include +#include enum { UNUSED = 0, diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7343.c b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c index c0a3f079dfd..6d4f50cd4aa 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7343.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c @@ -10,7 +10,7 @@ #include #include #include -#include +#include static struct plat_sci_port sci_platform_data[] = { { diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c index 967e8b69a2f..f26b5cdad0d 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c @@ -12,7 +12,7 @@ #include #include #include -#include +#include static struct plat_sci_port sci_platform_data[] = { { diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c index 73c778d40d1..b98b4bc93ec 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c @@ -10,9 +10,9 @@ #include #include #include +#include #include #include -#include static struct resource usbf_resources[] = { [0] = { diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7763.c b/arch/sh/kernel/cpu/sh4a/setup-sh7763.c index eabd5386812..07c988dc9de 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7763.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7763.c @@ -12,7 +12,7 @@ #include #include #include -#include +#include static struct resource rtc_resources[] = { [0] = { diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7770.c b/arch/sh/kernel/cpu/sh4a/setup-sh7770.c index 32f4f59a837..b9cec48b180 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7770.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7770.c @@ -10,7 +10,7 @@ #include #include #include -#include +#include static struct plat_sci_port sci_platform_data[] = { { diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c index 293004b526f..18dbbe23fea 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c @@ -11,7 +11,7 @@ #include #include #include -#include +#include static struct resource rtc_resources[] = { [0] = { diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c index 74b60e96cdf..621e7329ec6 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c @@ -10,10 +10,10 @@ #include #include #include +#include #include #include #include -#include static struct plat_sci_port sci_platform_data[] = { { diff --git a/arch/sh/kernel/cpu/sh4a/setup-shx3.c b/arch/sh/kernel/cpu/sh4a/setup-shx3.c index 4dc958b6b31..bd35f32534b 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-shx3.c +++ b/arch/sh/kernel/cpu/sh4a/setup-shx3.c @@ -10,9 +10,9 @@ #include #include #include +#include #include #include -#include static struct plat_sci_port sci_platform_data[] = { { diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index 9ce12cb2ceb..a8c116b80bf 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -41,6 +41,7 @@ #include #include #include +#include #ifdef CONFIG_CPU_FREQ #include @@ -54,7 +55,6 @@ #include #endif -#include #include "sh-sci.h" struct sci_port { diff --git a/include/asm-sh/sci.h b/include/asm-sh/sci.h deleted file mode 100644 index 52e73660c12..00000000000 --- a/include/asm-sh/sci.h +++ /dev/null @@ -1,34 +0,0 @@ -#ifndef __ASM_SH_SCI_H -#define __ASM_SH_SCI_H - -#include - -/* - * Generic header for SuperH SCI(F) - * - * Do not place SH-specific parts in here, sh64 and h8300 depend on this too. - */ - -/* Offsets into the sci_port->irqs array */ -enum { - SCIx_ERI_IRQ, - SCIx_RXI_IRQ, - SCIx_TXI_IRQ, - SCIx_BRI_IRQ, - SCIx_NR_IRQS, -}; - -/* - * Platform device specific platform_data struct - */ -struct plat_sci_port { - void __iomem *membase; /* io cookie */ - unsigned long mapbase; /* resource base */ - unsigned int irqs[SCIx_NR_IRQS]; /* ERI, RXI, TXI, BRI */ - unsigned int type; /* SCI / SCIF / IRDA */ - upf_t flags; /* UPF_* flags */ -}; - -int early_sci_setup(struct uart_port *port); - -#endif /* __ASM_SH_SCI_H */ diff --git a/include/linux/serial_sci.h b/include/linux/serial_sci.h new file mode 100644 index 00000000000..893cc53486b --- /dev/null +++ b/include/linux/serial_sci.h @@ -0,0 +1,32 @@ +#ifndef __LINUX_SERIAL_SCI_H +#define __LINUX_SERIAL_SCI_H + +#include + +/* + * Generic header for SuperH SCI(F) (used by sh/sh64/h8300 and related parts) + */ + +/* Offsets into the sci_port->irqs array */ +enum { + SCIx_ERI_IRQ, + SCIx_RXI_IRQ, + SCIx_TXI_IRQ, + SCIx_BRI_IRQ, + SCIx_NR_IRQS, +}; + +/* + * Platform device specific platform_data struct + */ +struct plat_sci_port { + void __iomem *membase; /* io cookie */ + unsigned long mapbase; /* resource base */ + unsigned int irqs[SCIx_NR_IRQS]; /* ERI, RXI, TXI, BRI */ + unsigned int type; /* SCI / SCIF / IRDA */ + upf_t flags; /* UPF_* flags */ +}; + +int early_sci_setup(struct uart_port *port); + +#endif /* __LINUX_SERIAL_SCI_H */ -- cgit v1.2.3 From acbe44e6274e88a14a68df511d87890846a9bc99 Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Tue, 26 Feb 2008 21:50:32 +0100 Subject: ide-cd: Enable audio play quirk for Optiarc DVD RW AD-5200A drive Reported-by: Stefan Bader Signed-off-by: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-cd.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 310e497b583..022a029f81c 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1931,6 +1931,7 @@ static const struct cd_list_entry ide_cd_quirks_list[] = { { "MATSHITADVD-ROM SR-8186", NULL, IDE_CD_FLAG_PLAY_AUDIO_OK }, { "MATSHITADVD-ROM SR-8176", NULL, IDE_CD_FLAG_PLAY_AUDIO_OK }, { "MATSHITADVD-ROM SR-8174", NULL, IDE_CD_FLAG_PLAY_AUDIO_OK }, + { "Optiarc DVD RW AD-5200A", NULL, IDE_CD_FLAG_PLAY_AUDIO_OK }, { NULL, NULL, 0 } }; -- cgit v1.2.3 From b66cae7672996c1ed0c4c4a4df04ce7b275c61f6 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Tue, 26 Feb 2008 21:50:33 +0100 Subject: hpt366: fix section mismatch warnings hpt366: fix section mismatch warnings Fix following warnings: WARNING: o-sparc64/vmlinux.o(.data+0x195a38): Section mismatch in reference from the variable hpt37x_info.0 to the variable .devinit.data:hpt370 WARNING: o-sparc64/vmlinux.o(.data+0x195a40): Section mismatch in reference from the variable hpt37x_info.0 to the variable .devinit.data:hpt370a WARNING: o-sparc64/vmlinux.o(.data+0x195a48): Section mismatch in reference from the variable hpt37x_info.0 to the variable .devinit.data:hpt372 WARNING: o-sparc64/vmlinux.o(.data+0x195a50): Section mismatch in reference from the variable hpt37x_info.0 to the variable .devinit.data:hpt372n Replace a static array with a small switch resulting in more readable code. Mark the pci table __devinitconst. A lot of variables are const but annotated __devinitdata. Annotating them __devinitconst would cause a section type conflict error when build for 64 bit powerpc. Signed-off-by: Sam Ravnborg Cc: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/pci/hpt366.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c index d0f7bb8b8ad..6357bb6269a 100644 --- a/drivers/ide/pci/hpt366.c +++ b/drivers/ide/pci/hpt366.c @@ -1570,10 +1570,12 @@ static int __devinit hpt366_init_one(struct pci_dev *dev, const struct pci_devic if (rev < 3) info = &hpt36x; else { - static const struct hpt_info *hpt37x_info[] = - { &hpt370, &hpt370a, &hpt372, &hpt372n }; - - info = hpt37x_info[min_t(u8, rev, 6) - 3]; + switch (min_t(u8, rev, 6)) { + case 3: info = &hpt370; break; + case 4: info = &hpt370a; break; + case 5: info = &hpt372; break; + case 6: info = &hpt372n; break; + } idx++; } break; @@ -1626,7 +1628,7 @@ static int __devinit hpt366_init_one(struct pci_dev *dev, const struct pci_devic return ide_setup_pci_device(dev, &d); } -static const struct pci_device_id hpt366_pci_tbl[] = { +static const struct pci_device_id hpt366_pci_tbl[] __devinitconst = { { PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT366), 0 }, { PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT372), 1 }, { PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT302), 2 }, -- cgit v1.2.3 From cbd34d00af2960097ebd46a31dabc8bb9f16ea4e Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Tue, 26 Feb 2008 21:50:33 +0100 Subject: ide: remove redundant comment from ide_unregister() Identical comment is present in ide_hwif_release_regions() documentation. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide.c | 5 ----- 1 file changed, 5 deletions(-) (limited to 'drivers') diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 477833f0daf..784d60e376e 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -590,11 +590,6 @@ void ide_unregister(unsigned int index, int init_default, int restore) hwif->extra_ports = 0; } - /* - * Note that we only release the standard ports, - * and do not even try to handle any extra ports - * allocated for weird IDE interface chipsets. - */ ide_hwif_release_regions(hwif); /* copy original settings */ -- cgit v1.2.3 From c53ea18dc29a1ac075119f651d6ac4386a549a34 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Tue, 26 Feb 2008 21:50:34 +0100 Subject: ide: skip probing port if "hdx=noprobe" was used for both devices on it * Skip probing port if "hdx=noprobe" parameter was used for both devices on it. * Obsolete "idex=noprobe" parameter - it only works for ide_generic, cmd640 and PCI hosts in Compatibility mode (on alpha/x86/ia64/m32r/mips/ppc32). Signed-off-by: Bartlomiej Zolnierkiewicz --- Documentation/ide.txt | 2 -- drivers/ide/ide-probe.c | 3 ++- drivers/ide/ide.c | 2 +- drivers/ide/pci/cmd640.c | 3 ++- 4 files changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/Documentation/ide.txt b/Documentation/ide.txt index 94e2e3b9e77..7b782e84001 100644 --- a/Documentation/ide.txt +++ b/Documentation/ide.txt @@ -258,8 +258,6 @@ Summary of ide driver parameters for kernel command line As for VLB, it is safest to not specify it. Bigger values are safer than smaller ones. - "idex=noprobe" : do not attempt to access/use this interface - "idex=base" : probe for an interface at the addr specified, where "base" is usually 0x1f0 or 0x170 and "ctl" is assumed to be "base"+0x206 diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 4a2cb286822..194ecb0049e 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -756,7 +756,8 @@ static int ide_probe_port(ide_hwif_t *hwif) BUG_ON(hwif->present); - if (hwif->noprobe) + if (hwif->noprobe || + (hwif->drives[0].noprobe && hwif->drives[1].noprobe)) return -EACCES; /* diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 784d60e376e..30053669762 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -1444,7 +1444,7 @@ static int __init ide_setup(char *s) case -1: /* "noprobe" */ hwif->noprobe = 1; - goto done; + goto obsolete_option; case 1: /* base */ vals[1] = vals[0] + 0x206; /* default ctl */ diff --git a/drivers/ide/pci/cmd640.c b/drivers/ide/pci/cmd640.c index bd24dad3cfc..ec667982809 100644 --- a/drivers/ide/pci/cmd640.c +++ b/drivers/ide/pci/cmd640.c @@ -787,7 +787,8 @@ static int __init cmd640x_init(void) /* * Try to enable the secondary interface, if not already enabled */ - if (cmd_hwif1->noprobe) { + if (cmd_hwif1->noprobe || + (cmd_hwif1->drives[0].noprobe && cmd_hwif1->drives[1].noprobe)) { port2 = "not probed"; } else { b = get_cmd640_reg(CNTRL); -- cgit v1.2.3 From 788d669736dd3d15195fea07bf97ec5a2e9f15e7 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Tue, 26 Feb 2008 21:50:35 +0100 Subject: qd65xx: fix setup of QD6580 Control register Control register of QD6580 should be setup before probing for devices. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/legacy/qd65xx.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/ide/legacy/qd65xx.c b/drivers/ide/legacy/qd65xx.c index bba29df5f21..1ec0e970f57 100644 --- a/drivers/ide/legacy/qd65xx.c +++ b/drivers/ide/legacy/qd65xx.c @@ -444,6 +444,8 @@ static int __init qd_probe(int base) printk(KERN_DEBUG "qd6580: config=%#x, control=%#x, ID3=%u\n", config, control, QD_ID3); + outb(QD_DEF_CONTR, QD_CONTROL_PORT); + if (control & QD_CONTR_SEC_DISABLED) { /* secondary disabled */ @@ -460,8 +462,6 @@ static int __init qd_probe(int base) ide_device_add(idx, &qd65xx_port_info); - outb(QD_DEF_CONTR, QD_CONTROL_PORT); - return 1; } else { ide_hwif_t *mate; @@ -487,8 +487,6 @@ static int __init qd_probe(int base) ide_device_add(idx, &qd65xx_port_info); - outb(QD_DEF_CONTR, QD_CONTROL_PORT); - return 0; /* no other qd65xx possible */ } } -- cgit v1.2.3 From 9f10d9ee0ac6d79d7bc8b9a158bf4a29322d84d3 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Tue, 26 Feb 2008 21:50:35 +0100 Subject: ide-cd: fix 'ireason' handling for REQ_TYPE_ATA_PC requests Pass 'struct request *rq' to ide_cd_check_ireason() from cdrom_newpc_intr() and use ide_cd_check_ireason() also for REQ_TYPE_ATA_PC requests. This fixes some hangs caused by not finishing the transfer before ending the request and also makes use of 'ireason == 1' quirk for spurious IRQs. Tested-by: Brad Rosser Cc: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-cd.c | 24 ++++++++++-------------- 1 file changed, 10 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 022a029f81c..1495fe7a6ec 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -670,8 +670,8 @@ static void cdrom_buffer_sectors (ide_drive_t *drive, unsigned long sector, * and attempt to recover if there are problems. Returns 0 if everything's * ok; nonzero if the request has been terminated. */ -static -int ide_cd_check_ireason(ide_drive_t *drive, int len, int ireason, int rw) +static int ide_cd_check_ireason(ide_drive_t *drive, struct request *rq, + int len, int ireason, int rw) { /* * ireason == 0: the drive wants to receive data from us @@ -701,6 +701,9 @@ int ide_cd_check_ireason(ide_drive_t *drive, int len, int ireason, int rw) drive->name, __FUNCTION__, ireason); } + if (rq->cmd_type == REQ_TYPE_ATA_PC) + rq->cmd_flags |= REQ_FAILED; + cdrom_end_request(drive, 0); return -1; } @@ -1071,11 +1074,11 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) /* * check which way to transfer data */ - if (blk_fs_request(rq) || blk_pc_request(rq)) { - if (ide_cd_check_ireason(drive, len, ireason, write)) - return ide_stopped; + if (ide_cd_check_ireason(drive, rq, len, ireason, write)) + return ide_stopped; - if (blk_fs_request(rq) && write == 0) { + if (blk_fs_request(rq)) { + if (write == 0) { int nskip; if (ide_cd_check_transfer_size(drive, len)) { @@ -1101,16 +1104,9 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) if (ireason == 0) { write = 1; xferfunc = HWIF(drive)->atapi_output_bytes; - } else if (ireason == 2 || (ireason == 1 && - (blk_fs_request(rq) || blk_pc_request(rq)))) { + } else { write = 0; xferfunc = HWIF(drive)->atapi_input_bytes; - } else { - printk(KERN_ERR "%s: %s: The drive " - "appears confused (ireason = 0x%02x). " - "Trying to recover by ending request.\n", - drive->name, __FUNCTION__, ireason); - goto end_request; } /* -- cgit v1.2.3 From bcd88ac3b2ff2eae3d0fa57a6b02d4fce5392f32 Mon Sep 17 00:00:00 2001 From: Andreas Schwab Date: Tue, 26 Feb 2008 21:50:35 +0100 Subject: ide-cd: fix CD/DVD burning Move counting of sense bytes into the transfer loop. Signed-off-by: Andreas Schwab Acked-by: Borislav Petkov Cc: Kiyoshi Ueda Cc: Jens Axboe Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-cd.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 1495fe7a6ec..c8d0e871599 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1178,11 +1178,10 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) else rq->data += blen; } + if (!write && blk_sense_request(rq)) + rq->sense_len += blen; } - if (write && blk_sense_request(rq)) - rq->sense_len += thislen; - /* * pad, if necessary */ -- cgit v1.2.3 From dbecebca1914f414008553b57aefde95b70f9142 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Tue, 26 Feb 2008 21:50:35 +0100 Subject: ide: fix sparse warning about shadowing 'flags' symbol drivers/ide/ide.c:801:18: warning: symbol 'flags' shadows an earlier one drivers/ide/ide.c:732:16: originally declared here Also fix some whitespace damage while at it. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 30053669762..fa16bc30bbc 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -1031,10 +1031,9 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device drive->nice1 = (arg >> IDE_NICE_1) & 1; return 0; case HDIO_DRIVE_RESET: - { - unsigned long flags; - if (!capable(CAP_SYS_ADMIN)) return -EACCES; - + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + /* * Abort the current command on the * group if there is one, taking @@ -1053,17 +1052,15 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device ide_abort(drive, "drive reset"); BUG_ON(HWGROUP(drive)->handler); - + /* Ensure nothing gets queued after we drop the lock. Reset will clear the busy */ - + HWGROUP(drive)->busy = 1; spin_unlock_irqrestore(&ide_lock, flags); (void) ide_do_reset(drive); return 0; - } - case HDIO_GET_BUSSTATE: if (!capable(CAP_SYS_ADMIN)) return -EACCES; -- cgit v1.2.3 From d12faa2736ebdee025a9aa07b2683c5fa8c86553 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Tue, 26 Feb 2008 21:50:36 +0100 Subject: ide-disk: add missing printk() KERN_* levels Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-disk.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 8f5bed47105..39501d13025 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -867,7 +867,7 @@ static void idedisk_setup (ide_drive_t *drive) /* Only print cache size when it was specified */ if (id->buf_size) - printk (" w/%dKiB Cache", id->buf_size/2); + printk(KERN_CONT " w/%dKiB Cache", id->buf_size / 2); printk(KERN_CONT ", CHS=%d/%d/%d\n", drive->bios_cyl, drive->bios_head, drive->bios_sect); @@ -949,7 +949,8 @@ static void ide_device_shutdown(ide_drive_t *drive) return; } - printk("Shutdown: %s\n", drive->name); + printk(KERN_INFO "Shutdown: %s\n", drive->name); + drive->gendev.bus->suspend(&drive->gendev, PMSG_SUSPEND); } -- cgit v1.2.3 From d48567dd43868b3d2e1fcc33ee76dc2d38a1ddeb Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Tue, 26 Feb 2008 21:50:36 +0100 Subject: ide-tape: schedule driver for removal after 6 months Signed-off-by: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- Documentation/feature-removal-schedule.txt | 10 ++++++++++ drivers/ide/ide-tape.c | 5 +++++ 2 files changed, 15 insertions(+) (limited to 'drivers') diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 4d3aa519ead..ba899ff2a8f 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -172,6 +172,16 @@ Who: Len Brown --------------------------- +What: ide-tape driver +When: July 2008 +Files: drivers/ide/ide-tape.c +Why: This driver might not have any users anymore and maintaining it for no + reason is an effort no one wants to make. +Who: Bartlomiej Zolnierkiewicz , Borislav Petkov + + +--------------------------- + What: libata spindown skipping and warning When: Dec 2008 Why: Some halt(8) implementations synchronize caches for and spin diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 0598ecfd5f3..43e0e055777 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -3765,6 +3765,11 @@ static int ide_tape_probe(ide_drive_t *drive) g->fops = &idetape_block_ops; ide_register_region(g); + printk(KERN_WARNING "It is possible that this driver does not have any" + " users anymore and, as a result, it will be REMOVED soon." + " Please notify Bart or Boris" + " in case you still need it.\n"); + return 0; out_free_tape: -- cgit v1.2.3 From fcac6f87a5642ab16fe3deab11e57252dacf4d55 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Tue, 26 Feb 2008 21:50:36 +0100 Subject: qd65xx: remove commented out code Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/legacy/qd65xx.c | 37 ------------------------------------- 1 file changed, 37 deletions(-) (limited to 'drivers') diff --git a/drivers/ide/legacy/qd65xx.c b/drivers/ide/legacy/qd65xx.c index 1ec0e970f57..2f4f47ad602 100644 --- a/drivers/ide/legacy/qd65xx.c +++ b/drivers/ide/legacy/qd65xx.c @@ -334,43 +334,6 @@ static void __init qd6580_port_init_devs(ide_hwif_t *hwif) hwif->drives[1].drive_data = t2; } -/* - * qd_unsetup: - * - * called to unsetup an ata channel : back to default values, unlinks tuning - */ -/* -static void __exit qd_unsetup(ide_hwif_t *hwif) -{ - u8 config = hwif->config_data; - int base = hwif->select_data; - void *set_pio_mode = (void *)hwif->set_pio_mode; - - if (hwif->chipset != ide_qd65xx) - return; - - printk(KERN_NOTICE "%s: back to defaults\n", hwif->name); - - hwif->selectproc = NULL; - hwif->set_pio_mode = NULL; - - if (set_pio_mode == (void *)qd6500_set_pio_mode) { - // will do it for both - outb(QD6500_DEF_DATA, QD_TIMREG(&hwif->drives[0])); - } else if (set_pio_mode == (void *)qd6580_set_pio_mode) { - if (QD_CONTROL(hwif) & QD_CONTR_SEC_DISABLED) { - outb(QD6580_DEF_DATA, QD_TIMREG(&hwif->drives[0])); - outb(QD6580_DEF_DATA2, QD_TIMREG(&hwif->drives[1])); - } else { - outb(hwif->channel ? QD6580_DEF_DATA2 : QD6580_DEF_DATA, QD_TIMREG(&hwif->drives[0])); - } - } else { - printk(KERN_WARNING "Unknown qd65xx tuning fonction !\n"); - printk(KERN_WARNING "keeping settings !\n"); - } -} -*/ - static const struct ide_port_info qd65xx_port_info __initdata = { .chipset = ide_qd65xx, .host_flags = IDE_HFLAG_IO_32BIT | -- cgit v1.2.3 From 204f47c5a581630369d425b5a4afa48448c30359 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Tue, 26 Feb 2008 21:50:36 +0100 Subject: ide: remove stale comments from ide-dma.c (take 2) - ide-dma.c is not a separate module - ide-dma.c is not PCI specific anymore - DMA is enabled by default nowadays - link for Intel Zappa BIOS is dead etc. v2: * Some comments should be preserved. (Noticed by Mark Lord) Cc: Mark Lord Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-dma.c | 52 ++++----------------------------------------------- 1 file changed, 4 insertions(+), 48 deletions(-) (limited to 'drivers') diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index d0e7b537353..2de99e4be5c 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -1,9 +1,13 @@ /* + * IDE DMA support (including IDE PCI BM-DMA). + * * Copyright (C) 1995-1998 Mark Lord * Copyright (C) 1999-2000 Andre Hedrick * Copyright (C) 2004, 2007 Bartlomiej Zolnierkiewicz * * May be copied or modified under the terms of the GNU General Public License + * + * DMA is supported for all IDE devices (disk drives, cdroms, tapes, floppies). */ /* @@ -11,49 +15,6 @@ */ /* - * This module provides support for the bus-master IDE DMA functions - * of various PCI chipsets, including the Intel PIIX (i82371FB for - * the 430 FX chipset), the PIIX3 (i82371SB for the 430 HX/VX and - * 440 chipsets), and the PIIX4 (i82371AB for the 430 TX chipset) - * ("PIIX" stands for "PCI ISA IDE Xcellerator"). - * - * Pretty much the same code works for other IDE PCI bus-mastering chipsets. - * - * DMA is supported for all IDE devices (disk drives, cdroms, tapes, floppies). - * - * By default, DMA support is prepared for use, but is currently enabled only - * for drives which already have DMA enabled (UltraDMA or mode 2 multi/single), - * or which are recognized as "good" (see table below). Drives with only mode0 - * or mode1 (multi/single) DMA should also work with this chipset/driver - * (eg. MC2112A) but are not enabled by default. - * - * Use "hdparm -i" to view modes supported by a given drive. - * - * The hdparm-3.5 (or later) utility can be used for manually enabling/disabling - * DMA support, but must be (re-)compiled against this kernel version or later. - * - * To enable DMA, use "hdparm -d1 /dev/hd?" on a per-drive basis after booting. - * If problems arise, ide.c will disable DMA operation after a few retries. - * This error recovery mechanism works and has been extremely well exercised. - * - * IDE drives, depending on their vintage, may support several different modes - * of DMA operation. The boot-time modes are indicated with a "*" in - * the "hdparm -i" listing, and can be changed with *knowledgeable* use of - * the "hdparm -X" feature. There is seldom a need to do this, as drives - * normally power-up with their "best" PIO/DMA modes enabled. - * - * Testing has been done with a rather extensive number of drives, - * with Quantum & Western Digital models generally outperforming the pack, - * and Fujitsu & Conner (and some Seagate which are really Conner) drives - * showing more lackluster throughput. - * - * Keep an eye on /var/adm/messages for "DMA disabled" messages. - * - * Some people have reported trouble with Intel Zappa motherboards. - * This can be fixed by upgrading the AMI BIOS to version 1.00.04.BS0, - * available from ftp://ftp.intel.com/pub/bios/10004bs0.exe - * (thanks to Glen Morrell for researching this). - * * Thanks to "Christopher J. Reimer" for * fixing the problem with the BIOS on some Acer motherboards. * @@ -65,11 +26,6 @@ * * Most importantly, thanks to Robert Bringman * for supplying a Promise UDMA board & WD UDMA drive for this work! - * - * And, yes, Intel Zappa boards really *do* use both PIIX IDE ports. - * - * ATA-66/100 and recovery functions, I forgot the rest...... - * */ #include -- cgit v1.2.3 From ed0ba33d64fb933f5fd985aa8f641984efd9d658 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Thu, 21 Feb 2008 08:12:06 -0600 Subject: RDMA/nes: Fix a memory leak in schedule_nes_timer() Fix a memory leak spotted by the Coverity checker. Signed-off-by: Adrian Bunk Signed-off-by: Glenn Streiff Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_cm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index bd5cfeaac20..78e845c9457 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -370,11 +370,11 @@ int schedule_nes_timer(struct nes_cm_node *cm_node, struct sk_buff *skb, int ret = 0; u32 was_timer_set; + if (!cm_node) + return -EINVAL; new_send = kzalloc(sizeof(*new_send), GFP_ATOMIC); if (!new_send) return -1; - if (!cm_node) - return -EINVAL; /* new_send->timetosend = currenttime */ new_send->retrycount = NES_DEFAULT_RETRYS; -- cgit v1.2.3 From a4435febd4c0f14b25159dca249ecf91301c7c76 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Thu, 21 Feb 2008 08:13:47 -0600 Subject: RDMA/nes: Fix a check-after-use in nes_probe() Fix a check-after-use spotted by the Coverity checker. Signed-off-by: Adrian Bunk Signed-off-by: Glenn Streiff Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c index 7f8853b44ee..b2112f5a422 100644 --- a/drivers/infiniband/hw/nes/nes.c +++ b/drivers/infiniband/hw/nes/nes.c @@ -567,12 +567,12 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i /* Init the adapter */ nesdev->nesadapter = nes_init_adapter(nesdev, hw_rev); - nesdev->nesadapter->et_rx_coalesce_usecs_irq = interrupt_mod_interval; if (!nesdev->nesadapter) { printk(KERN_ERR PFX "Unable to initialize adapter.\n"); ret = -ENOMEM; goto bail5; } + nesdev->nesadapter->et_rx_coalesce_usecs_irq = interrupt_mod_interval; /* nesdev->base_doorbell_index = nesdev->nesadapter->pd_config_base[PCI_FUNC(nesdev->pcidev->devfn)]; */ -- cgit v1.2.3 From f84fba6f969065c6622669bbaa955c26fc1461ae Mon Sep 17 00:00:00 2001 From: Glenn Streiff Date: Thu, 21 Feb 2008 08:17:54 -0600 Subject: RDMA/nes: Fix use-after-free in nes_create_cq() Just delete the debugging statement so we don't use cqp_request after freeing it. Adrian Bunk flagged this use-after-free issue spotted by the Coverity checker. Signed-off-by: Glenn Streiff Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_verbs.c | 3 --- 1 file changed, 3 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index 692f0d82130..a651e9d9f0e 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -1832,9 +1832,6 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, spin_unlock_irqrestore(&nesdev->cqp.lock, flags); } } - nes_debug(NES_DBG_CQ, "iWARP CQ%u create timeout expired, major code = 0x%04X," - " minor code = 0x%04X\n", - nescq->hw_cq.cq_number, cqp_request->major_code, cqp_request->minor_code); if (!context) pci_free_consistent(nesdev->pcidev, nescq->cq_mem_size, mem, nescq->hw_cq.cq_pbase); -- cgit v1.2.3 From a2e9c384ce76993cd68d6de57eaa81985b4618e3 Mon Sep 17 00:00:00 2001 From: Faisal Latif Date: Thu, 21 Feb 2008 08:27:32 -0600 Subject: RDMA/nes: Fix use-after-free in mini_cm_dec_refcnt_listen() Fix use-after-free spotted by Coverity checker flagged by Adrian Bunk. Signed-off-by: Faisal Latif Signed-off-by: Glenn Streiff Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_cm.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index 78e845c9457..6c298aa9ab0 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -947,6 +947,7 @@ static int mini_cm_dec_refcnt_listen(struct nes_cm_core *cm_core, nes_debug(NES_DBG_CM, "destroying listener (%p)\n", listener); kfree(listener); + listener = NULL; ret = 0; cm_listens_destroyed++; } else { -- cgit v1.2.3 From 30da7cff87f0ffa169fe07b766c3d6a5f6d1f6ab Mon Sep 17 00:00:00 2001 From: Faisal Latif Date: Thu, 21 Feb 2008 08:31:22 -0600 Subject: RDMA/nes: Fix CRC endianness for RDMA connection establishment on big-endian With commit ef19454b ("[LIB] crc32c: Keep intermediate crc state in cpu order"), the behavior of crc32c changes on big-endian platforms. Our algorithm expects the previous behavior; otherwise we have RDMA connection establishment failure on big-endian platforms like powerpc. Apply cpu_to_le32() to value returned by crc32c() to get the previous behavior. Signed-off-by: Faisal Latif Signed-off-by: Glenn Streiff Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes.h | 15 +++++++++++++++ drivers/infiniband/hw/nes/nes_cm.c | 10 ++++++---- 2 files changed, 21 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h index fd57e8a1582..a48b288618e 100644 --- a/drivers/infiniband/hw/nes/nes.h +++ b/drivers/infiniband/hw/nes/nes.h @@ -285,6 +285,21 @@ struct nes_device { }; +static inline __le32 get_crc_value(struct nes_v4_quad *nes_quad) +{ + u32 crc_value; + crc_value = crc32c(~0, (void *)nes_quad, sizeof (struct nes_v4_quad)); + + /* + * With commit ef19454b ("[LIB] crc32c: Keep intermediate crc + * state in cpu order"), behavior of crc32c changes on + * big-endian platforms. Our algorithm expects the previous + * behavior; otherwise we have RDMA connection establishment + * issue on big-endian. + */ + return cpu_to_le32(crc_value); +} + static inline void set_wqe_64bit_value(__le32 *wqe_words, u32 index, u64 value) { diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index 6c298aa9ab0..39adb267fb1 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -2320,6 +2320,7 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) struct iw_cm_event cm_event; struct nes_hw_qp_wqe *wqe; struct nes_v4_quad nes_quad; + u32 crc_value; int ret; ibqp = nes_get_qp(cm_id->device, conn_param->qpn); @@ -2436,8 +2437,8 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) nes_quad.TcpPorts[1] = cm_id->local_addr.sin_port; /* Produce hash key */ - nesqp->hte_index = cpu_to_be32( - crc32c(~0, (void *)&nes_quad, sizeof(nes_quad)) ^ 0xffffffff); + crc_value = get_crc_value(&nes_quad); + nesqp->hte_index = cpu_to_be32(crc_value ^ 0xffffffff); nes_debug(NES_DBG_CM, "HTE Index = 0x%08X, CRC = 0x%08X\n", nesqp->hte_index, nesqp->hte_index & adapter->hte_index_mask); @@ -2751,6 +2752,7 @@ void cm_event_connected(struct nes_cm_event *event) struct iw_cm_event cm_event; struct nes_hw_qp_wqe *wqe; struct nes_v4_quad nes_quad; + u32 crc_value; int ret; /* get all our handles */ @@ -2828,8 +2830,8 @@ void cm_event_connected(struct nes_cm_event *event) nes_quad.TcpPorts[1] = cm_id->local_addr.sin_port; /* Produce hash key */ - nesqp->hte_index = cpu_to_be32( - crc32c(~0, (void *)&nes_quad, sizeof(nes_quad)) ^ 0xffffffff); + crc_value = get_crc_value(&nes_quad); + nesqp->hte_index = cpu_to_be32(crc_value ^ 0xffffffff); nes_debug(NES_DBG_CM, "HTE Index = 0x%08X, After CRC = 0x%08X\n", nesqp->hte_index, nesqp->hte_index & nesadapter->hte_index_mask); -- cgit v1.2.3 From 4b1cc7e7ca5715907d17619dcb49144db6efe1c9 Mon Sep 17 00:00:00 2001 From: John Lacombe Date: Thu, 21 Feb 2008 08:34:58 -0600 Subject: RDMA/nes: Fix interrupt moderation low threshold Interrupt moderation low threshold value was incorrectly triggering, indicating that the threshold should be lowered. The impact was the timer was likely to become 40usecs and get stuck there. The biggest side effect was too many interrupts and nonoptimal performance. Signed-off-by: John Lacombe Signed-off-by: Glenn Streiff Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_hw.c | 13 +++++-------- drivers/infiniband/hw/nes/nes_hw.h | 2 +- 2 files changed, 6 insertions(+), 9 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c index 7c4c0fbf0ab..49e53e4c1eb 100644 --- a/drivers/infiniband/hw/nes/nes_hw.c +++ b/drivers/infiniband/hw/nes/nes_hw.c @@ -156,15 +156,14 @@ static void nes_nic_tune_timer(struct nes_device *nesdev) spin_lock_irqsave(&nesadapter->periodic_timer_lock, flags); - if (shared_timer->cq_count_old < cq_count) { - if (cq_count > shared_timer->threshold_low) - shared_timer->cq_direction_downward=0; - } - if (shared_timer->cq_count_old >= cq_count) + if (shared_timer->cq_count_old <= cq_count) + shared_timer->cq_direction_downward = 0; + else shared_timer->cq_direction_downward++; shared_timer->cq_count_old = cq_count; if (shared_timer->cq_direction_downward > NES_NIC_CQ_DOWNWARD_TREND) { - if (cq_count <= shared_timer->threshold_low) { + if (cq_count <= shared_timer->threshold_low && + shared_timer->threshold_low > 4) { shared_timer->threshold_low = shared_timer->threshold_low/2; shared_timer->cq_direction_downward=0; nesdev->currcq_count = 0; @@ -1728,7 +1727,6 @@ int nes_napi_isr(struct nes_device *nesdev) nesdev->int_req &= ~NES_INT_TIMER; nes_write32(nesdev->regs+NES_INTF_INT_MASK, ~(nesdev->intf_int_req)); nes_write32(nesdev->regs+NES_INT_MASK, ~nesdev->int_req); - nesadapter->tune_timer.timer_in_use_old = 0; } nesdev->deepcq_count = 0; return 1; @@ -1867,7 +1865,6 @@ void nes_dpc(unsigned long param) nesdev->int_req &= ~NES_INT_TIMER; nes_write32(nesdev->regs + NES_INTF_INT_MASK, ~(nesdev->intf_int_req)); nes_write32(nesdev->regs+NES_INT_MASK, ~nesdev->int_req); - nesdev->nesadapter->tune_timer.timer_in_use_old = 0; } else { nes_write32(nesdev->regs+NES_INT_MASK, 0x0000ffff|(~nesdev->int_req)); } diff --git a/drivers/infiniband/hw/nes/nes_hw.h b/drivers/infiniband/hw/nes/nes_hw.h index 1e10df550c9..b7e2844f096 100644 --- a/drivers/infiniband/hw/nes/nes_hw.h +++ b/drivers/infiniband/hw/nes/nes_hw.h @@ -962,7 +962,7 @@ struct nes_arp_entry { #define DEFAULT_JUMBO_NES_QL_LOW 12 #define DEFAULT_JUMBO_NES_QL_TARGET 40 #define DEFAULT_JUMBO_NES_QL_HIGH 128 -#define NES_NIC_CQ_DOWNWARD_TREND 8 +#define NES_NIC_CQ_DOWNWARD_TREND 16 struct nes_hw_tune_timer { //u16 cq_count; -- cgit v1.2.3 From 3dbf8d56a2b7e0d738950daa16682e1e6dafb28b Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Tue, 26 Feb 2008 17:52:05 -0800 Subject: [MACVLAN]: Update Kconfig to refer to iproute Since the macvlan release I had at least 5 users asking how to configure it since the old userspace tool doesn't work with the version in the kernel. Add a pointer to the Kconfig help. Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- drivers/net/Kconfig | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers') diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index f337800076c..a20e72f5ad2 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -90,6 +90,11 @@ config MACVLAN This allows one to create virtual interfaces that map packets to or from specific MAC addresses to a particular interface. + Macvlan devices can be added using the "ip" command from the + iproute2 package starting with the iproute2-2.6.23 release: + + "ip link add link [ address MAC ] [ NAME ] type macvlan" + To compile this driver as a module, choose M here: the module will be called macvlan. -- cgit v1.2.3 From 78374676efae525094aee45c0aab4bcab95ea9d1 Mon Sep 17 00:00:00 2001 From: Li Zefan Date: Tue, 26 Feb 2008 18:25:53 -0800 Subject: CONNECTOR: make cn_already_initialized static It is used in connector.c only, so make it static. Signed-off-by: Li Zefan Signed-off-by: David S. Miller --- drivers/connector/connector.c | 2 +- include/linux/connector.h | 2 -- 2 files changed, 1 insertion(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c index fea2d3ed9cb..85e2ba7fcfb 100644 --- a/drivers/connector/connector.c +++ b/drivers/connector/connector.c @@ -47,7 +47,7 @@ static LIST_HEAD(notify_list); static struct cn_dev cdev; -int cn_already_initialized = 0; +static int cn_already_initialized; /* * msg->seq and msg->ack are used to determine message genealogy. diff --git a/include/linux/connector.h b/include/linux/connector.h index da6dd957f90..96a89d3d672 100644 --- a/include/linux/connector.h +++ b/include/linux/connector.h @@ -170,7 +170,5 @@ int cn_cb_equal(struct cb_id *, struct cb_id *); void cn_queue_wrapper(struct work_struct *work); -extern int cn_already_initialized; - #endif /* __KERNEL__ */ #endif /* __CONNECTOR_H */ -- cgit v1.2.3 From 5b0acc64a3750f8f017b973f1059bb25b791c2a3 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 20 Feb 2008 11:47:45 +0100 Subject: rndis_wlan: fix sparse warnings It is obviously wrong to use an enum in a little endian struct, and those other enums should be declared differently. Signed-off-by: Johannes Berg Acked-by: Jussi Kivilinna Signed-off-by: John W. Linville --- drivers/net/wireless/rndis_wlan.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c index 8ce2ddf8024..d9460aed1f2 100644 --- a/drivers/net/wireless/rndis_wlan.c +++ b/drivers/net/wireless/rndis_wlan.c @@ -228,9 +228,9 @@ struct NDIS_WLAN_BSSID_EX { struct NDIS_802_11_SSID Ssid; __le32 Privacy; __le32 Rssi; - enum NDIS_802_11_NETWORK_TYPE NetworkTypeInUse; + __le32 NetworkTypeInUse; struct NDIS_802_11_CONFIGURATION Configuration; - enum NDIS_802_11_NETWORK_INFRASTRUCTURE InfrastructureMode; + __le32 InfrastructureMode; u8 SupportedRates[NDIS_802_11_LENGTH_RATES_EX]; __le32 IELength; u8 IEs[0]; @@ -279,11 +279,11 @@ struct RNDIS_CONFIG_PARAMETER_INFOBUFFER { } __attribute__((packed)); /* these have to match what is in wpa_supplicant */ -enum { WPA_ALG_NONE, WPA_ALG_WEP, WPA_ALG_TKIP, WPA_ALG_CCMP } wpa_alg; -enum { CIPHER_NONE, CIPHER_WEP40, CIPHER_TKIP, CIPHER_CCMP, CIPHER_WEP104 } - wpa_cipher; -enum { KEY_MGMT_802_1X, KEY_MGMT_PSK, KEY_MGMT_NONE, KEY_MGMT_802_1X_NO_WPA, - KEY_MGMT_WPA_NONE } wpa_key_mgmt; +enum wpa_alg { WPA_ALG_NONE, WPA_ALG_WEP, WPA_ALG_TKIP, WPA_ALG_CCMP }; +enum wpa_cipher { CIPHER_NONE, CIPHER_WEP40, CIPHER_TKIP, CIPHER_CCMP, + CIPHER_WEP104 }; +enum wpa_key_mgmt { KEY_MGMT_802_1X, KEY_MGMT_PSK, KEY_MGMT_NONE, + KEY_MGMT_802_1X_NO_WPA, KEY_MGMT_WPA_NONE }; /* * private data -- cgit v1.2.3 From 4b74850dc3fb8a0941dde0f1bf7686803d1250cd Mon Sep 17 00:00:00 2001 From: Masakazu Mokuno Date: Fri, 22 Feb 2008 16:45:26 +0900 Subject: PS3: gelic: Link the wireless net_device structure to the corresponding device structure Link the net_device structure of the wireless part to the corresponding device structure. Without this, the sysfs node for this net_device would not have 'device' link. Signed-off-by: Masakazu Mokuno Acked-by: Dan Williams Signed-off-by: John W. Linville --- drivers/net/ps3_gelic_wireless.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/net/ps3_gelic_wireless.c b/drivers/net/ps3_gelic_wireless.c index 750d2a99cb4..daf5abab953 100644 --- a/drivers/net/ps3_gelic_wireless.c +++ b/drivers/net/ps3_gelic_wireless.c @@ -2690,6 +2690,7 @@ int gelic_wl_driver_probe(struct gelic_card *card) return -ENOMEM; /* setup net_device structure */ + SET_NETDEV_DEV(netdev, &card->dev->core); gelic_wl_setup_netdev_ops(netdev); /* setup some of net_device and register it */ -- cgit v1.2.3 From 8bfb04756a698e38825656eab3bc339a321551b3 Mon Sep 17 00:00:00 2001 From: Sebastian Siewior Date: Sat, 23 Feb 2008 21:46:31 +0100 Subject: gelic wireless driver needs WIRELESS_EXT support | CC drivers/net/ps3_gelic_wireless.o | /home/bigeasy/git/linux-2.6/drivers/net/ps3_gelic_wireless.c: In function 'gelic_wl_setup_netdev_ops': | /home/bigeasy/git/linux-2.6/drivers/net/ps3_gelic_wireless.c:2660: error: 'struct net_device' has no member named 'wireless_data' | /home/bigeasy/git/linux-2.6/drivers/net/ps3_gelic_wireless.c:2661: error: 'struct net_device' has no member named 'wireless_handlers' | make[3]: *** [drivers/net/ps3_gelic_wireless.o] Error 1 | make[2]: *** [drivers/net] Error 2 | make[1]: *** [drivers] Error 2 | make[1]: *** Waiting for unfinished jobs.... | make: *** [sub-make] Error 2 Signed-off-by: Sebastian Siewior Acked-by: Masakazu Mokuno Signed-off-by: John W. Linville --- drivers/net/Kconfig | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index a20e72f5ad2..a0f0e605d63 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2368,6 +2368,7 @@ config GELIC_NET config GELIC_WIRELESS bool "PS3 Wireless support" depends on GELIC_NET + select WIRELESS_EXT help This option adds the support for the wireless feature of PS3. If you have the wireless-less model of PS3 or have no plan to -- cgit v1.2.3 From b290d433618aa7122f6e6c4a62ddc79412a48d4d Mon Sep 17 00:00:00 2001 From: Ivo van Doorn Date: Mon, 25 Feb 2008 23:15:01 +0100 Subject: rt2x00: Fix antenna diversity Fix 2 issues in antenna diversity selection. 1) the following statement will always return true. if ((rssi_curr - rssi_old) > -5 || (rssi_curr - rssi_old) < 5) It is cleaner to check if the absolute value is smaller then 5. 2) Only enable software diversity when default antenna setup indicates support for it. Don't select it when the hardware does not indicate support for it... Signed-off-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2x00dev.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index c4be2ac4d7a..00f5f0d49e1 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -293,7 +293,7 @@ static void rt2x00lib_evaluate_antenna_eval(struct rt2x00_dev *rt2x00dev) * sample the rssi from the other antenna to make a valid * comparison between the 2 antennas. */ - if ((rssi_curr - rssi_old) > -5 || (rssi_curr - rssi_old) < 5) + if (abs(rssi_curr - rssi_old) < 5) return; rt2x00dev->link.ant.flags |= ANTENNA_MODE_SAMPLE; @@ -319,10 +319,10 @@ static void rt2x00lib_evaluate_antenna(struct rt2x00_dev *rt2x00dev) rt2x00dev->link.ant.flags &= ~ANTENNA_TX_DIVERSITY; if (rt2x00dev->hw->conf.antenna_sel_rx == 0 && - rt2x00dev->default_ant.rx != ANTENNA_SW_DIVERSITY) + rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY) rt2x00dev->link.ant.flags |= ANTENNA_RX_DIVERSITY; if (rt2x00dev->hw->conf.antenna_sel_tx == 0 && - rt2x00dev->default_ant.tx != ANTENNA_SW_DIVERSITY) + rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY) rt2x00dev->link.ant.flags |= ANTENNA_TX_DIVERSITY; if (!(rt2x00dev->link.ant.flags & ANTENNA_RX_DIVERSITY) && -- cgit v1.2.3 From 61667d8d5bf3c3ee09474069eaf4b93a4755ff8b Mon Sep 17 00:00:00 2001 From: Ivo van Doorn Date: Mon, 25 Feb 2008 23:15:05 +0100 Subject: rt2x00: Add link tuner safe RX toggle states This adds 2 new states which both are used to toggle the RX. These new states are required for usage inside the link tuner thread, because the normal RX toggling will stop the link tuner thread. While it is possible that the link tuner thread itself is the caller of the RX toggle (when using software antenna diversity). Signed-off-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2400pci.c | 6 +++++- drivers/net/wireless/rt2x00/rt2500pci.c | 6 +++++- drivers/net/wireless/rt2x00/rt2500usb.c | 6 +++++- drivers/net/wireless/rt2x00/rt2x00config.c | 4 ++-- drivers/net/wireless/rt2x00/rt2x00reg.h | 2 ++ drivers/net/wireless/rt2x00/rt61pci.c | 6 +++++- drivers/net/wireless/rt2x00/rt73usb.c | 6 +++++- 7 files changed, 29 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c index d6cba138c7a..c69f85ed766 100644 --- a/drivers/net/wireless/rt2x00/rt2400pci.c +++ b/drivers/net/wireless/rt2x00/rt2400pci.c @@ -960,8 +960,12 @@ static int rt2400pci_set_device_state(struct rt2x00_dev *rt2x00dev, rt2400pci_disable_radio(rt2x00dev); break; case STATE_RADIO_RX_ON: + case STATE_RADIO_RX_ON_LINK: + rt2400pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON); + break; case STATE_RADIO_RX_OFF: - rt2400pci_toggle_rx(rt2x00dev, state); + case STATE_RADIO_RX_OFF_LINK: + rt2400pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF); break; case STATE_DEEP_SLEEP: case STATE_SLEEP: diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index e874fdcae20..91e87b53374 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -1112,8 +1112,12 @@ static int rt2500pci_set_device_state(struct rt2x00_dev *rt2x00dev, rt2500pci_disable_radio(rt2x00dev); break; case STATE_RADIO_RX_ON: + case STATE_RADIO_RX_ON_LINK: + rt2500pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON); + break; case STATE_RADIO_RX_OFF: - rt2500pci_toggle_rx(rt2x00dev, state); + case STATE_RADIO_RX_OFF_LINK: + rt2500pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF); break; case STATE_DEEP_SLEEP: case STATE_SLEEP: diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index 4ca9730e5e9..638c3d24310 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1001,8 +1001,12 @@ static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev, rt2500usb_disable_radio(rt2x00dev); break; case STATE_RADIO_RX_ON: + case STATE_RADIO_RX_ON_LINK: + rt2500usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON); + break; case STATE_RADIO_RX_OFF: - rt2500usb_toggle_rx(rt2x00dev, state); + case STATE_RADIO_RX_OFF_LINK: + rt2500usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF); break; case STATE_DEEP_SLEEP: case STATE_SLEEP: diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c index 72cfe00c1ed..0d57d7f6783 100644 --- a/drivers/net/wireless/rt2x00/rt2x00config.c +++ b/drivers/net/wireless/rt2x00/rt2x00config.c @@ -102,7 +102,7 @@ void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev, * else the changes will be ignored by the device. */ if (test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags)) - rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF); + rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF_LINK); /* * Write new antenna setup to device and reset the link tuner. @@ -116,7 +116,7 @@ void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev, rt2x00dev->link.ant.active.tx = libconf.ant.tx; if (test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags)) - rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON); + rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON_LINK); } void rt2x00lib_config(struct rt2x00_dev *rt2x00dev, diff --git a/drivers/net/wireless/rt2x00/rt2x00reg.h b/drivers/net/wireless/rt2x00/rt2x00reg.h index 838421216da..b1915dc7dda 100644 --- a/drivers/net/wireless/rt2x00/rt2x00reg.h +++ b/drivers/net/wireless/rt2x00/rt2x00reg.h @@ -85,6 +85,8 @@ enum dev_state { STATE_RADIO_OFF, STATE_RADIO_RX_ON, STATE_RADIO_RX_OFF, + STATE_RADIO_RX_ON_LINK, + STATE_RADIO_RX_OFF_LINK, STATE_RADIO_IRQ_ON, STATE_RADIO_IRQ_OFF, }; diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index b31f0c26c32..e808db98f2f 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -1482,8 +1482,12 @@ static int rt61pci_set_device_state(struct rt2x00_dev *rt2x00dev, rt61pci_disable_radio(rt2x00dev); break; case STATE_RADIO_RX_ON: + case STATE_RADIO_RX_ON_LINK: + rt61pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON); + break; case STATE_RADIO_RX_OFF: - rt61pci_toggle_rx(rt2x00dev, state); + case STATE_RADIO_RX_OFF_LINK: + rt61pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF); break; case STATE_DEEP_SLEEP: case STATE_SLEEP: diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index 4d576ab3e7f..4fac2d414d8 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -1208,8 +1208,12 @@ static int rt73usb_set_device_state(struct rt2x00_dev *rt2x00dev, rt73usb_disable_radio(rt2x00dev); break; case STATE_RADIO_RX_ON: + case STATE_RADIO_RX_ON_LINK: + rt73usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON); + break; case STATE_RADIO_RX_OFF: - rt73usb_toggle_rx(rt2x00dev, state); + case STATE_RADIO_RX_OFF_LINK: + rt73usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF); break; case STATE_DEEP_SLEEP: case STATE_SLEEP: -- cgit v1.2.3 From 05253c93feb40901d80a0d6f239a0bc78860c679 Mon Sep 17 00:00:00 2001 From: Ivo van Doorn Date: Mon, 25 Feb 2008 23:15:08 +0100 Subject: rt2x00: Don't switch to antenna with low rssi When rssi_a > rssi_b is true and the current antenna was already antenna A, then rt2x00 incorrectly jumped to antenna B. Also don't configure the antenna when there has been no change in the antenna setup. Signed-off-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2x00config.c | 4 ++++ drivers/net/wireless/rt2x00/rt2x00dev.c | 18 +++++------------- 2 files changed, 9 insertions(+), 13 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c index 0d57d7f6783..07adc576db4 100644 --- a/drivers/net/wireless/rt2x00/rt2x00config.c +++ b/drivers/net/wireless/rt2x00/rt2x00config.c @@ -97,6 +97,10 @@ void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev, libconf.ant.rx = rx; libconf.ant.tx = tx; + if (rx == rt2x00dev->link.ant.active.rx && + tx == rt2x00dev->link.ant.active.tx) + return; + /* * Antenna setup changes require the RX to be disabled, * else the changes will be ignored by the device. diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index 00f5f0d49e1..7294c75272d 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -260,19 +260,11 @@ static void rt2x00lib_evaluate_antenna_sample(struct rt2x00_dev *rt2x00dev) if (sample_a == sample_b) return; - if (rt2x00dev->link.ant.flags & ANTENNA_RX_DIVERSITY) { - if (sample_a > sample_b && rx == ANTENNA_B) - rx = ANTENNA_A; - else if (rx == ANTENNA_A) - rx = ANTENNA_B; - } + if (rt2x00dev->link.ant.flags & ANTENNA_RX_DIVERSITY) + rx = (sample_a > sample_b) ? ANTENNA_A : ANTENNA_B; - if (rt2x00dev->link.ant.flags & ANTENNA_TX_DIVERSITY) { - if (sample_a > sample_b && tx == ANTENNA_B) - tx = ANTENNA_A; - else if (tx == ANTENNA_A) - tx = ANTENNA_B; - } + if (rt2x00dev->link.ant.flags & ANTENNA_TX_DIVERSITY) + tx = (sample_a > sample_b) ? ANTENNA_A : ANTENNA_B; rt2x00lib_config_antenna(rt2x00dev, rx, tx); } @@ -327,7 +319,7 @@ static void rt2x00lib_evaluate_antenna(struct rt2x00_dev *rt2x00dev) if (!(rt2x00dev->link.ant.flags & ANTENNA_RX_DIVERSITY) && !(rt2x00dev->link.ant.flags & ANTENNA_TX_DIVERSITY)) { - rt2x00dev->link.ant.flags &= ~ANTENNA_MODE_SAMPLE; + rt2x00dev->link.ant.flags = 0; return; } -- cgit v1.2.3 From 53b3f8e47a38f39836da1c9f9d2ea9a9c164c8f4 Mon Sep 17 00:00:00 2001 From: Ivo van Doorn Date: Mon, 25 Feb 2008 23:15:13 +0100 Subject: rt2x00: Fix rt2x00lib_reset_link_tuner() rt2x00lib_reset_link_tuner() can be called from within the link tuner itself. This means that it should _not_ call rt2x00lib_stop_link_tuner() since that will cause the thread to hang. Reorder the things that should be done during a link tuner reset and during a link tuner start. Also make antenna tuning the last step of the link tuner since it could possibly reset some statistical information which we need for average calculation. Signed-off-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2x00dev.c | 49 ++++++++++++++++++++------------- 1 file changed, 30 insertions(+), 19 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index 7294c75272d..0d51f478bcd 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -61,11 +61,33 @@ EXPORT_SYMBOL_GPL(rt2x00lib_get_ring); /* * Link tuning handlers */ -static void rt2x00lib_start_link_tuner(struct rt2x00_dev *rt2x00dev) +void rt2x00lib_reset_link_tuner(struct rt2x00_dev *rt2x00dev) { + if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags)) + return; + + /* + * Reset link information. + * Both the currently active vgc level as well as + * the link tuner counter should be reset. Resetting + * the counter is important for devices where the + * device should only perform link tuning during the + * first minute after being enabled. + */ rt2x00dev->link.count = 0; rt2x00dev->link.vgc_level = 0; + /* + * Reset the link tuner. + */ + rt2x00dev->ops->lib->reset_tuner(rt2x00dev); +} + +static void rt2x00lib_start_link_tuner(struct rt2x00_dev *rt2x00dev) +{ + /* + * Clear all (possibly) pre-existing quality statistics. + */ memset(&rt2x00dev->link.qual, 0, sizeof(rt2x00dev->link.qual)); /* @@ -79,10 +101,7 @@ static void rt2x00lib_start_link_tuner(struct rt2x00_dev *rt2x00dev) rt2x00dev->link.qual.rx_percentage = 50; rt2x00dev->link.qual.tx_percentage = 50; - /* - * Reset the link tuner. - */ - rt2x00dev->ops->lib->reset_tuner(rt2x00dev); + rt2x00lib_reset_link_tuner(rt2x00dev); queue_delayed_work(rt2x00dev->hw->workqueue, &rt2x00dev->link.work, LINK_TUNE_INTERVAL); @@ -93,15 +112,6 @@ static void rt2x00lib_stop_link_tuner(struct rt2x00_dev *rt2x00dev) cancel_delayed_work_sync(&rt2x00dev->link.work); } -void rt2x00lib_reset_link_tuner(struct rt2x00_dev *rt2x00dev) -{ - if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags)) - return; - - rt2x00lib_stop_link_tuner(rt2x00dev); - rt2x00lib_start_link_tuner(rt2x00dev); -} - /* * Ring initialization */ @@ -432,17 +442,18 @@ static void rt2x00lib_link_tuner(struct work_struct *work) if (!test_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags)) rt2x00dev->ops->lib->link_tuner(rt2x00dev); - /* - * Evaluate antenna setup. - */ - rt2x00lib_evaluate_antenna(rt2x00dev); - /* * Precalculate a portion of the link signal which is * in based on the tx/rx success/failure counters. */ rt2x00lib_precalculate_link_signal(&rt2x00dev->link.qual); + /* + * Evaluate antenna setup, make this the last step since this could + * possibly reset some statistics. + */ + rt2x00lib_evaluate_antenna(rt2x00dev); + /* * Increase tuner counter, and reschedule the next link tuner run. */ -- cgit v1.2.3 From 4b7524a42e14a7f86fa12611f3419650e99e2526 Mon Sep 17 00:00:00 2001 From: Roland Dreier Date: Tue, 26 Feb 2008 15:26:56 +0100 Subject: libertas: Remove unused exports The libertas driver exports a number of symbols with no in-tree users; remove these unused exports. lbs_reset_device() is completely unused, with no callers at all, so remove the function completely. A couple of these unused exported symbols are static, which causes the following build error on ia64 with gcc 4.2.3: drivers/net/wireless/libertas/main.c:1375: error: __ksymtab_lbs_remove_mesh causes a section type conflict drivers/net/wireless/libertas/main.c:1354: error: __ksymtab_lbs_add_mesh causes a section type conflict Signed-off-by: Roland Dreier Acked-by: Holger Schurig Acked-by: Dan Williams Signed-off-by: John W. Linville --- drivers/net/wireless/libertas/cmd.c | 2 -- drivers/net/wireless/libertas/decl.h | 1 - drivers/net/wireless/libertas/main.c | 17 ----------------- 3 files changed, 20 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c index eab020338fd..b3c1acbcc65 100644 --- a/drivers/net/wireless/libertas/cmd.c +++ b/drivers/net/wireless/libertas/cmd.c @@ -1040,7 +1040,6 @@ int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action, lbs_deb_leave(LBS_DEB_CMD); return ret; } -EXPORT_SYMBOL_GPL(lbs_mesh_access); int lbs_mesh_config(struct lbs_private *priv, uint16_t enable, uint16_t chan) { @@ -1576,7 +1575,6 @@ done: lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret); return ret; } -EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command); /** * @brief This function allocates the command buffer and link diff --git a/drivers/net/wireless/libertas/decl.h b/drivers/net/wireless/libertas/decl.h index aaacd9bd6bd..4e22341b4f3 100644 --- a/drivers/net/wireless/libertas/decl.h +++ b/drivers/net/wireless/libertas/decl.h @@ -69,7 +69,6 @@ struct lbs_private *lbs_add_card(void *card, struct device *dmdev); int lbs_remove_card(struct lbs_private *priv); int lbs_start_card(struct lbs_private *priv); int lbs_stop_card(struct lbs_private *priv); -int lbs_reset_device(struct lbs_private *priv); void lbs_host_to_card_done(struct lbs_private *priv); int lbs_update_channel(struct lbs_private *priv); diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c index 84fb49ca0fa..4d4e2f3b66a 100644 --- a/drivers/net/wireless/libertas/main.c +++ b/drivers/net/wireless/libertas/main.c @@ -1351,8 +1351,6 @@ done: lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); return ret; } -EXPORT_SYMBOL_GPL(lbs_add_mesh); - static void lbs_remove_mesh(struct lbs_private *priv) { @@ -1372,7 +1370,6 @@ static void lbs_remove_mesh(struct lbs_private *priv) free_netdev(mesh_dev); lbs_deb_leave(LBS_DEB_MESH); } -EXPORT_SYMBOL_GPL(lbs_remove_mesh); /** * @brief This function finds the CFP in @@ -1458,20 +1455,6 @@ void lbs_interrupt(struct lbs_private *priv) } EXPORT_SYMBOL_GPL(lbs_interrupt); -int lbs_reset_device(struct lbs_private *priv) -{ - int ret; - - lbs_deb_enter(LBS_DEB_MAIN); - ret = lbs_prepare_and_send_command(priv, CMD_802_11_RESET, - CMD_ACT_HALT, 0, 0, NULL); - msleep_interruptible(10); - - lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); - return ret; -} -EXPORT_SYMBOL_GPL(lbs_reset_device); - static int __init lbs_init_module(void) { lbs_deb_enter(LBS_DEB_MAIN); -- cgit v1.2.3 From c7084535c9d2b8bcfc19f1ad9452eabde742ae22 Mon Sep 17 00:00:00 2001 From: Alexey Zaytsev Date: Sat, 23 Feb 2008 12:59:26 +0300 Subject: Use a separate config option for the b43 pci to ssb bridge. The bridge code was unnecessary enabled by the b44 driver, but it prevents the bcm43xx driver from being loaded, as the bridge claims the same pci ids. Now we enable the birdge only if the b43{legacy} drivers are selected. Signed-off-by: Alexey Zaytsev Acked-by: Larry Finger Signed-off-by: John W. Linville --- drivers/net/wireless/b43/Kconfig | 1 + drivers/net/wireless/b43legacy/Kconfig | 1 + drivers/ssb/Kconfig | 5 +++++ drivers/ssb/Makefile | 2 +- drivers/ssb/ssb_private.h | 4 ++-- 5 files changed, 10 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/b43/Kconfig b/drivers/net/wireless/b43/Kconfig index 1a2141dabdc..8bc4bc4c330 100644 --- a/drivers/net/wireless/b43/Kconfig +++ b/drivers/net/wireless/b43/Kconfig @@ -32,6 +32,7 @@ config B43_PCI_AUTOSELECT bool depends on B43 && SSB_PCIHOST_POSSIBLE select SSB_PCIHOST + select SSB_B43_PCI_BRIDGE default y # Auto-select SSB PCICORE driver, if possible diff --git a/drivers/net/wireless/b43legacy/Kconfig b/drivers/net/wireless/b43legacy/Kconfig index 6745579ba96..13c65faf024 100644 --- a/drivers/net/wireless/b43legacy/Kconfig +++ b/drivers/net/wireless/b43legacy/Kconfig @@ -25,6 +25,7 @@ config B43LEGACY_PCI_AUTOSELECT bool depends on B43LEGACY && SSB_PCIHOST_POSSIBLE select SSB_PCIHOST + select SSB_B43_PCI_BRIDGE default y # Auto-select SSB PCICORE driver, if possible diff --git a/drivers/ssb/Kconfig b/drivers/ssb/Kconfig index 78fd33125e0..adea792fb67 100644 --- a/drivers/ssb/Kconfig +++ b/drivers/ssb/Kconfig @@ -35,6 +35,11 @@ config SSB_PCIHOST If unsure, say Y +config SSB_B43_PCI_BRIDGE + bool + depends on SSB_PCIHOST + default n + config SSB_PCMCIAHOST_POSSIBLE bool depends on SSB && (PCMCIA = y || PCMCIA = SSB) && EXPERIMENTAL diff --git a/drivers/ssb/Makefile b/drivers/ssb/Makefile index e235144add7..de94c2eb7a3 100644 --- a/drivers/ssb/Makefile +++ b/drivers/ssb/Makefile @@ -14,6 +14,6 @@ ssb-$(CONFIG_SSB_DRIVER_PCICORE) += driver_pcicore.o # b43 pci-ssb-bridge driver # Not strictly a part of SSB, but kept here for convenience -ssb-$(CONFIG_SSB_PCIHOST) += b43_pci_bridge.o +ssb-$(CONFIG_SSB_B43_PCI_BRIDGE) += b43_pci_bridge.o obj-$(CONFIG_SSB) += ssb.o diff --git a/drivers/ssb/ssb_private.h b/drivers/ssb/ssb_private.h index a789364264a..21eca2b5118 100644 --- a/drivers/ssb/ssb_private.h +++ b/drivers/ssb/ssb_private.h @@ -120,10 +120,10 @@ extern int ssb_devices_thaw(struct ssb_bus *bus); extern struct ssb_bus *ssb_pci_dev_to_bus(struct pci_dev *pdev); /* b43_pci_bridge.c */ -#ifdef CONFIG_SSB_PCIHOST +#ifdef CONFIG_SSB_B43_PCI_BRIDGE extern int __init b43_pci_ssb_bridge_init(void); extern void __exit b43_pci_ssb_bridge_exit(void); -#else /* CONFIG_SSB_PCIHOST */ +#else /* CONFIG_SSB_B43_PCI_BRIDGR */ static inline int b43_pci_ssb_bridge_init(void) { return 0; -- cgit v1.2.3 From f9d8f88952c263a4eeaaa0fc6ff726d2315b6a57 Mon Sep 17 00:00:00 2001 From: Alexey Zaytsev Date: Sat, 23 Feb 2008 13:33:07 +0300 Subject: Don't build bcm43xx if SSB is static and b43 PCI-SSB bridge is enabled. This may happen e.g. when the ssb is statically enables by the b44 driver, and the b43 pci-ssb bridge is enbled by the b43/b43legacy drivers, or the b43/b43legacy drivers are built statically. Signed-off-by: Alexey Zaytsev Acked-by: Larry Finger Signed-off-by: John W. Linville --- drivers/net/wireless/bcm43xx/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/wireless/bcm43xx/Kconfig b/drivers/net/wireless/bcm43xx/Kconfig index 0159701e845..afb8f4305c2 100644 --- a/drivers/net/wireless/bcm43xx/Kconfig +++ b/drivers/net/wireless/bcm43xx/Kconfig @@ -1,6 +1,6 @@ config BCM43XX tristate "Broadcom BCM43xx wireless support (DEPRECATED)" - depends on PCI && IEEE80211 && IEEE80211_SOFTMAC && WLAN_80211 && EXPERIMENTAL + depends on PCI && IEEE80211 && IEEE80211_SOFTMAC && WLAN_80211 && (!SSB_B43_PCI_BRIDGE || SSB != y) && EXPERIMENTAL select WIRELESS_EXT select FW_LOADER select HW_RANDOM -- cgit v1.2.3 From 2d8d4fdf78488f3362dccfd2a6bfdb4bc65c0858 Mon Sep 17 00:00:00 2001 From: Aurelien Jarno Date: Thu, 28 Feb 2008 15:11:26 +0100 Subject: SSB PCI core driver: use new SPROM data structure Switch the SSB PCI core driver to the new SPROM data structure now that the old one has been removed. Signed-off-by: Aurelien Jarno Acked-by: Michael Buesch Signed-off-by: John W. Linville --- drivers/ssb/driver_pcicore.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ssb/driver_pcicore.c b/drivers/ssb/driver_pcicore.c index 6d99a988005..07ab48d9cea 100644 --- a/drivers/ssb/driver_pcicore.c +++ b/drivers/ssb/driver_pcicore.c @@ -393,7 +393,7 @@ static int pcicore_is_in_hostmode(struct ssb_pcicore *pc) chipid_top != 0x5300) return 0; - if (bus->sprom.r1.boardflags_lo & SSB_PCICORE_BFL_NOPCI) + if (bus->sprom.boardflags_lo & SSB_PCICORE_BFL_NOPCI) return 0; /* The 200-pin BCM4712 package does not bond out PCI. Even when -- cgit v1.2.3 From c14423fe585a5937db6e2eece4b79486521103be Mon Sep 17 00:00:00 2001 From: Eliezer Tamir Date: Thu, 28 Feb 2008 11:49:42 -0800 Subject: [BNX2X]: Spelling fixes Signed-off-by: Eliezer Tamir Signed-off-by: David S. Miller --- drivers/net/bnx2x.c | 119 ++++++++++++++++++++++++---------------------------- drivers/net/bnx2x.h | 2 +- 2 files changed, 56 insertions(+), 65 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2x.c b/drivers/net/bnx2x.c index afc7f34b1dc..7b2d7898f06 100644 --- a/drivers/net/bnx2x.c +++ b/drivers/net/bnx2x.c @@ -10,13 +10,13 @@ * Based on code from Michael Chan's bnx2 driver * UDP CSUM errata workaround by Arik Gendelman * Slowpath rework by Vladislav Zolotarov - * Statistics and Link managment by Yitchak Gertner + * Statistics and Link management by Yitchak Gertner * */ /* define this to make the driver freeze on error * to allow getting debug info - * (you will need to reboot afterwords) + * (you will need to reboot afterwards) */ /*#define BNX2X_STOP_ON_ERROR*/ @@ -71,7 +71,7 @@ #define TX_TIMEOUT (5*HZ) static char version[] __devinitdata = - "Broadcom NetXtreme II 577xx 10Gigabit Ethernet Driver " + "Broadcom NetXtreme II 5771X 10Gigabit Ethernet Driver " DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; MODULE_AUTHOR("Eliezer Tamir "); @@ -94,8 +94,8 @@ module_param(debug, int, 0); MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X"); MODULE_PARM_DESC(poll, "use polling (for debug)"); MODULE_PARM_DESC(onefunc, "enable only first function"); -MODULE_PARM_DESC(nomcp, "ignore managment CPU (Implies onefunc)"); -MODULE_PARM_DESC(debug, "defualt debug msglevel"); +MODULE_PARM_DESC(nomcp, "ignore management CPU (Implies onefunc)"); +MODULE_PARM_DESC(debug, "default debug msglevel"); #ifdef BNX2X_MULTI module_param(use_multi, int, 0); @@ -341,6 +341,7 @@ static int bnx2x_mc_assert(struct bnx2x *bp) } return rc; } + static void bnx2x_fw_dump(struct bnx2x *bp) { u32 mark, offset; @@ -491,7 +492,7 @@ static void bnx2x_disable_int_sync(struct bnx2x *bp) int i; atomic_inc(&bp->intr_sem); - /* prevent the HW from sending interrupts*/ + /* prevent the HW from sending interrupts */ bnx2x_disable_int(bp); /* make sure all ISRs are done */ @@ -775,6 +776,7 @@ static void bnx2x_sp_event(struct bnx2x_fastpath *fp, mb(); /* force bnx2x_wait_ramrod to see the change */ return; } + switch (command | bp->state) { case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT): DP(NETIF_MSG_IFUP, "got setup ramrod\n"); @@ -1471,7 +1473,7 @@ static int bnx2x_mdio45_vwrite(struct bnx2x *bp, u32 reg, u32 addr, u32 val) } /* - * link managment + * link management */ static void bnx2x_flow_ctrl_resolve(struct bnx2x *bp, u32 gp_status) @@ -1482,7 +1484,7 @@ static void bnx2x_flow_ctrl_resolve(struct bnx2x *bp, u32 gp_status) bp->flow_ctrl = 0; - /* reolve from gp_status in case of AN complete and not sgmii */ + /* resolve from gp_status in case of AN complete and not sgmii */ if ((bp->req_autoneg & AUTONEG_FLOW_CTRL) && (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) && (!(bp->phy_flags & PHY_SGMII_FLAG)) && @@ -1680,7 +1682,7 @@ static void bnx2x_link_int_ack(struct bnx2x *bp, int is_10g) int port = bp->port; /* first reset all status - * we asume only one line will be change at a time */ + * we assume only one line will be change at a time */ bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, (NIG_XGXS0_LINK_STATUS | NIG_SERDES0_LINK_STATUS | @@ -1819,7 +1821,7 @@ static void bnx2x_bmac_enable(struct bnx2x *bp, int is_lb) u32 wb_write[2]; u32 val; - DP(NETIF_MSG_LINK, "enableing BigMAC\n"); + DP(NETIF_MSG_LINK, "enabling BigMAC\n"); /* reset and unreset the BigMac */ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); @@ -1940,7 +1942,7 @@ static void bnx2x_emac_enable(struct bnx2x *bp) u32 val; int timeout; - DP(NETIF_MSG_LINK, "enableing EMAC\n"); + DP(NETIF_MSG_LINK, "enabling EMAC\n"); /* reset and unreset the emac core */ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port)); @@ -2033,7 +2035,7 @@ static void bnx2x_emac_enable(struct bnx2x *bp) EMAC_TX_MODE_EXT_PAUSE_EN); } - /* KEEP_VLAN_TAG, promiscous */ + /* KEEP_VLAN_TAG, promiscuous */ val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE); val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS; EMAC_WR(EMAC_REG_EMAC_RX_MODE, val); @@ -2161,7 +2163,6 @@ static void bnx2x_pbf_update(struct bnx2x *bp) u32 count = 1000; u32 pause = 0; - /* disable port */ REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1); @@ -2803,7 +2804,7 @@ static void bnx2x_ext_phy_init(struct bnx2x *bp) bnx2x_bits_en(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, NIG_MASK_MI_INT); - DP(NETIF_MSG_LINK, "enabled extenal phy int\n"); + DP(NETIF_MSG_LINK, "enabled external phy int\n"); bp->phy_addr = ext_phy_type; bnx2x_mdio45_vwrite(bp, EXT_PHY_OPT_PMA_PMD_DEVAD, @@ -2824,7 +2825,7 @@ static void bnx2x_ext_phy_init(struct bnx2x *bp) bnx2x_bits_en(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, NIG_MASK_MI_INT); - DP(NETIF_MSG_LINK, "enabled extenal phy int\n"); + DP(NETIF_MSG_LINK, "enabled external phy int\n"); bp->phy_addr = ext_phy_type; bnx2x_mdio45_vwrite(bp, EXT_PHY_OPT_PMA_PMD_DEVAD, @@ -2857,7 +2858,7 @@ static void bnx2x_ext_phy_init(struct bnx2x *bp) bnx2x_bits_en(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, NIG_MASK_MI_INT); - DP(NETIF_MSG_LINK, "enabled extenal phy int\n"); + DP(NETIF_MSG_LINK, "enabled external phy int\n"); break; default: @@ -2994,13 +2995,13 @@ static void bnx2x_link_initialize(struct bnx2x *bp) /* AN enabled */ bnx2x_set_brcm_cl37_advertisment(bp); - /* program duplex & pause advertisment (for aneg) */ + /* program duplex & pause advertisement (for aneg) */ bnx2x_set_ieee_aneg_advertisment(bp); /* enable autoneg */ bnx2x_set_autoneg(bp); - /* enalbe and restart AN */ + /* enable and restart AN */ bnx2x_restart_autoneg(bp); } @@ -3158,7 +3159,7 @@ static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid, int port = bp->port; DP(NETIF_MSG_TIMER, - "spe (%x:%x) command %x hw_cid %x data (%x:%x) left %x\n", + "spe (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n", (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) + (void *)bp->spq_prod_bd - (void *)bp->spq), command, HW_CID(bp, cid), data_hi, data_lo, bp->spq_left); @@ -3464,7 +3465,7 @@ static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted) HW_PRTY_ASSERT_SET_1) || (attn.sig[2] & group_mask.sig[2] & HW_PRTY_ASSERT_SET_2)) - BNX2X_ERR("FATAL HW block parity atention\n"); + BNX2X_ERR("FATAL HW block parity attention\n"); } } @@ -3906,7 +3907,7 @@ static void bnx2x_stop_stats(struct bnx2x *bp) while (bp->stats_state != STATS_STATE_DISABLE) { if (!timeout) { - BNX2X_ERR("timeout wating for stats stop\n"); + BNX2X_ERR("timeout waiting for stats stop\n"); break; } timeout--; @@ -4626,7 +4627,7 @@ static void bnx2x_init_rx_rings(struct bnx2x *bp) fp->rx_bd_prod = fp->rx_comp_prod = ring_prod; fp->rx_pkt = fp->rx_calls = 0; - /* Warning! this will genrate an interrupt (to the TSTORM) */ + /* Warning! this will generate an interrupt (to the TSTORM) */ /* must only be done when chip is initialized */ REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_RCQ_PROD_OFFSET(port, j), ring_prod); @@ -4850,7 +4851,7 @@ static void bnx2x_init_internal(struct bnx2x *bp) /* DP(NETIF_MSG_IFUP, "tstorm_config: 0x%08x\n", (*(u32 *)&tstorm_config)); */ - bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx untill link is up */ + bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */ bnx2x_set_storm_rx_mode(bp); for_each_queue(bp, i) @@ -5359,7 +5360,7 @@ static int bnx2x_function_init(struct bnx2x *bp, int mode) REG_RD(bp, USEM_REG_PASSIVE_BUFFER + 8); #endif bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END); - /* softrest pulse */ + /* soft reset pulse */ REG_WR(bp, QM_REG_SOFT_RESET, 1); REG_WR(bp, QM_REG_SOFT_RESET, 0); @@ -5413,7 +5414,7 @@ static int bnx2x_function_init(struct bnx2x *bp, int mode) REG_WR(bp, SRC_REG_SOFT_RST, 1); for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) { REG_WR(bp, i, 0xc0cac01a); - /* TODO: repleace with something meaningfull */ + /* TODO: replace with something meaningful */ } /* SRCH COMMON comes here */ REG_WR(bp, SRC_REG_SOFT_RST, 0); @@ -5647,7 +5648,7 @@ static int bnx2x_function_init(struct bnx2x *bp, int mode) bnx2x_link_reset(bp); - /* Reset pciex errors for debug */ + /* Reset PCIE errors for debug */ REG_WR(bp, 0x2114, 0xffffffff); REG_WR(bp, 0x2120, 0xffffffff); REG_WR(bp, 0x2814, 0xffffffff); @@ -5681,8 +5682,7 @@ static int bnx2x_function_init(struct bnx2x *bp, int mode) return 0; } - -/* send the MCP a request, block untill there is a reply */ +/* send the MCP a request, block until there is a reply */ static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command) { u32 rc = 0; @@ -5869,7 +5869,7 @@ static int bnx2x_alloc_mem(struct bnx2x *bp) for (i = 0; i < 16*1024; i += 64) * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64; - /* now sixup the last line in the block to point to the next block */ + /* now fixup the last line in the block to point to the next block */ *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping; /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */ @@ -5950,11 +5950,11 @@ static void bnx2x_free_msix_irqs(struct bnx2x *bp) int i; free_irq(bp->msix_table[0].vector, bp->dev); - DP(NETIF_MSG_IFDOWN, "rleased sp irq (%d)\n", + DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n", bp->msix_table[0].vector); for_each_queue(bp, i) { - DP(NETIF_MSG_IFDOWN, "about to rlease fp #%d->%d irq " + DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq " "state(%x)\n", i, bp->msix_table[i + 1].vector, bnx2x_fp(bp, i, state)); @@ -6010,7 +6010,6 @@ static int bnx2x_enable_msix(struct bnx2x *bp) static int bnx2x_req_msix_irqs(struct bnx2x *bp) { - int i, rc; DP(NETIF_MSG_IFUP, "about to request sp irq\n"); @@ -6109,8 +6108,8 @@ static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx, /* can take a while if any port is running */ int timeout = 500; - /* DP("waiting for state to become %d on IDX [%d]\n", - state, sb_idx); */ + DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n", + poll ? "polling" : "waiting", state, idx); might_sleep(); @@ -6136,7 +6135,6 @@ static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx, } - /* timeout! */ BNX2X_ERR("timeout waiting for ramrod %d on %d\n", state, idx); return -EBUSY; @@ -6146,7 +6144,7 @@ static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx, static int bnx2x_setup_leading(struct bnx2x *bp) { - /* reset IGU staae */ + /* reset IGU state */ bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, 0, IGU_INT_ENABLE, 0); /* SETUP ramrod */ @@ -6196,18 +6194,15 @@ static int bnx2x_nic_load(struct bnx2x *bp, int req_irq) rc = FW_MSG_CODE_DRV_LOAD_COMMON; } - DP(NETIF_MSG_IFUP, "set number of queues to %d\n", bp->num_queues); - /* if we can't use msix we only need one fp, * so try to enable msix with the requested number of fp's * and fallback to inta with one fp */ if (req_irq) { - if (use_inta) { bp->num_queues = 1; } else { - if (use_multi > 1 && use_multi <= 16) + if ((use_multi > 1) && (use_multi <= 16)) /* user requested number */ bp->num_queues = use_multi; else if (use_multi == 1) @@ -6216,15 +6211,17 @@ static int bnx2x_nic_load(struct bnx2x *bp, int req_irq) bp->num_queues = 1; if (bnx2x_enable_msix(bp)) { - /* faild to enable msix */ + /* failed to enable msix */ bp->num_queues = 1; if (use_multi) - BNX2X_ERR("Muti requested but failed" + BNX2X_ERR("Multi requested but failed" " to enable MSI-X\n"); } } } + DP(NETIF_MSG_IFUP, "set number of queues to %d\n", bp->num_queues); + if (bnx2x_alloc_mem(bp)) return -ENOMEM; @@ -6257,12 +6254,6 @@ static int bnx2x_nic_load(struct bnx2x *bp, int req_irq) atomic_set(&bp->intr_sem, 0); - /* Reenable SP tasklet */ - /*if (bp->sp_task_en) { */ - /* tasklet_enable(&bp->sp_task);*/ - /*} else { */ - /* bp->sp_task_en = 1; */ - /*} */ /* Setup NIC internals and enable interrupts */ bnx2x_nic_init(bp); @@ -6401,14 +6392,14 @@ static int bnx2x_stop_multi(struct bnx2x *bp, int index) int rc; - /* halt the connnection */ + /* halt the connection */ bp->fp[index].state = BNX2X_FP_STATE_HALTING; bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, 0, 0); rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index, &(bp->fp[index].state), 1); - if (rc) /* timout */ + if (rc) /* timeout */ return rc; /* delete cfc entry */ @@ -6423,7 +6414,7 @@ static int bnx2x_stop_multi(struct bnx2x *bp, int index) static void bnx2x_stop_leading(struct bnx2x *bp) { - /* if the other port is hadling traffic, + /* if the other port is handling traffic, this can take a lot of time */ int timeout = 500; @@ -6471,7 +6462,7 @@ static int bnx2x_nic_unload(struct bnx2x *bp, int fre_irq) msleep(1); /* Delete the timer: do it before disabling interrupts, as it - may be stil STAT_QUERY ramrod pending after stopping the timer */ + may be still STAT_QUERY ramrod pending after stopping the timer */ del_timer_sync(&bp->timer); /* Wait until stat ramrod returns and all SP tasks complete */ @@ -6932,7 +6923,7 @@ static void bnx2x_get_hwinfo(struct bnx2x *bp) val = SHMEM_RD(bp, validity_map[port]); if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) - != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) + != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) BNX2X_ERR("MCP validity signature bad\n"); bp->fw_seq = (SHMEM_RD(bp, drv_fw_mb[port].drv_mb_header) & @@ -7452,13 +7443,13 @@ static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf, if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) { DP(NETIF_MSG_NVM, - "Invalid paramter: offset 0x%x buf_size 0x%x\n", + "Invalid parameter: offset 0x%x buf_size 0x%x\n", offset, buf_size); return -EINVAL; } if (offset + buf_size > bp->flash_size) { - DP(NETIF_MSG_NVM, "Invalid paramter: offset (0x%x) +" + DP(NETIF_MSG_NVM, "Invalid parameter: offset (0x%x) +" " buf_size (0x%x) > flash_size (0x%x)\n", offset, buf_size, bp->flash_size); return -EINVAL; @@ -7568,7 +7559,7 @@ static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf, u32 val; if (offset + buf_size > bp->flash_size) { - DP(NETIF_MSG_NVM, "Invalid paramter: offset (0x%x) +" + DP(NETIF_MSG_NVM, "Invalid parameter: offset (0x%x) +" " buf_size (0x%x) > flash_size (0x%x)\n", offset, buf_size, bp->flash_size); return -EINVAL; @@ -7621,13 +7612,13 @@ static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf, if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) { DP(NETIF_MSG_NVM, - "Invalid paramter: offset 0x%x buf_size 0x%x\n", + "Invalid parameter: offset 0x%x buf_size 0x%x\n", offset, buf_size); return -EINVAL; } if (offset + buf_size > bp->flash_size) { - DP(NETIF_MSG_NVM, "Invalid paramter: offset (0x%x) +" + DP(NETIF_MSG_NVM, "Invalid parameter: offset (0x%x) +" " buf_size (0x%x) > flash_size (0x%x)\n", offset, buf_size, bp->flash_size); return -EINVAL; @@ -8314,7 +8305,7 @@ static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) ETH_TX_BD_ETH_ADDR_TYPE_SHIFT); tx_bd->general_data |= 1; /* header nbd */ - /* remeber the first bd of the packet */ + /* remember the first bd of the packet */ tx_buf->first_bd = bd_prod; DP(NETIF_MSG_TX_QUEUED, @@ -8427,7 +8418,7 @@ static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) tx_bd->vlan = cpu_to_le16(pkt_prod); /* this marks the bd * as one that has no individual mapping - * the FW ignors this flag in a bd not maked start + * the FW ignores this flag in a bd not marked start */ tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO; DP(NETIF_MSG_TX_QUEUED, @@ -8584,7 +8575,7 @@ static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) case SIOCGMIIPHY: data->phy_id = bp->phy_addr; - /* fallthru */ + /* fallthrough */ case SIOCGMIIREG: { u32 mii_regval; @@ -8633,7 +8624,7 @@ static int bnx2x_change_mtu(struct net_device *dev, int new_mtu) return -EINVAL; /* This does not race with packet allocation - * because the actuall alloc size is + * because the actual alloc size is * only updated as part of load */ dev->mtu = new_mtu; @@ -8813,7 +8804,7 @@ static int __devinit bnx2x_init_board(struct pci_dev *pdev, bnx2x_get_hwinfo(bp); if (CHIP_REV(bp) == CHIP_REV_FPGA) { - printk(KERN_ERR PFX "FPGA detacted. MCP disabled," + printk(KERN_ERR PFX "FPGA detected. MCP disabled," " will only init first device\n"); onefunc = 1; nomcp = 1; @@ -8944,7 +8935,7 @@ static int __devinit bnx2x_init_one(struct pci_dev *pdev, rc = register_netdev(dev); if (rc) { - printk(KERN_ERR PFX "Cannot register net device\n"); + dev_err(&pdev->dev, "Cannot register net device\n"); if (bp->regview) iounmap(bp->regview); if (bp->doorbells) diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h index 4f7ae6f7745..7a01668e397 100644 --- a/drivers/net/bnx2x.h +++ b/drivers/net/bnx2x.h @@ -517,7 +517,7 @@ struct bnx2x { */ u8 stat_pending; - /* End of fileds used in the performance code paths */ + /* End of fields used in the performance code paths */ int panic; int msglevel; -- cgit v1.2.3 From 250479504ff7d7e8c7d5cf85bedd40fb8d725429 Mon Sep 17 00:00:00 2001 From: Eliezer Tamir Date: Thu, 28 Feb 2008 11:50:16 -0800 Subject: [BNX2X]: Correct init_one() Correct PCI-E info printed by init_one() In one case it failed to free the netdev. Signed-off-by: Eliezer Tamir Signed-off-by: David S. Miller --- drivers/net/bnx2x.c | 41 ++++++++++++++++++++++++++--------------- drivers/net/bnx2x.h | 5 +++++ 2 files changed, 31 insertions(+), 15 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2x.c b/drivers/net/bnx2x.c index 7b2d7898f06..77867161968 100644 --- a/drivers/net/bnx2x.c +++ b/drivers/net/bnx2x.c @@ -8873,14 +8873,32 @@ err_out: return rc; } +static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp) +{ + u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL); + + val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT; + return val; +} + +/* return value of 1=2.5GHz 2=5GHz */ +static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp) +{ + u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL); + + val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT; + return val; +} + static int __devinit bnx2x_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { static int version_printed; struct net_device *dev = NULL; struct bnx2x *bp; - int rc, i; + int rc; int port = PCI_FUNC(pdev->devfn); + DECLARE_MAC_BUF(mac); if (version_printed++ == 0) printk(KERN_INFO "%s", version); @@ -8897,6 +8915,7 @@ static int __devinit bnx2x_init_one(struct pci_dev *pdev, if (port && onefunc) { printk(KERN_ERR PFX "second function disabled. exiting\n"); + free_netdev(dev); return 0; } @@ -8950,22 +8969,14 @@ static int __devinit bnx2x_init_one(struct pci_dev *pdev, pci_set_drvdata(pdev, dev); bp->name = board_info[ent->driver_data].name; - printk(KERN_INFO "%s: %s (%c%d) PCI%s %s %dMHz " - "found at mem %lx, IRQ %d, ", - dev->name, bp->name, + printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx," + " IRQ %d, ", dev->name, bp->name, ((CHIP_ID(bp) & 0xf000) >> 12) + 'A', ((CHIP_ID(bp) & 0x0ff0) >> 4), - ((bp->flags & PCIX_FLAG) ? "-X" : ""), - ((bp->flags & PCI_32BIT_FLAG) ? "32-bit" : "64-bit"), - bp->bus_speed_mhz, - dev->base_addr, - bp->pdev->irq); - - printk("node addr "); - for (i = 0; i < 6; i++) - printk("%2.2x", dev->dev_addr[i]); - printk("\n"); - + bnx2x_get_pcie_width(bp), + (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz", + dev->base_addr, bp->pdev->irq); + printk(KERN_CONT "node addr %s\n", print_mac(mac, dev->dev_addr)); return 0; } diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h index 7a01668e397..ea9100855c5 100644 --- a/drivers/net/bnx2x.h +++ b/drivers/net/bnx2x.h @@ -867,6 +867,11 @@ struct bnx2x { DPM_TRIGER_TYPE); \ } while (0) +/* PCIE link and speed */ +#define PCICFG_LINK_WIDTH 0x1f00000 +#define PCICFG_LINK_WIDTH_SHIFT 20 +#define PCICFG_LINK_SPEED 0xf0000 +#define PCICFG_LINK_SPEED_SHIFT 16 /* stuff added to make the code fit 80Col */ -- cgit v1.2.3 From f14106478e372e64be54a3cdab1e2fa83a5c8a35 Mon Sep 17 00:00:00 2001 From: Eliezer Tamir Date: Thu, 28 Feb 2008 11:51:50 -0800 Subject: [BNX2X]: Correct Link management Properly protect PHY access between two devices on the same board with a HW lock. Use GPIO to clear all previous configurations before changing link parameters. Shut down the external PHY in case of fan failure. Reducing the MDC/MDIO clock to 2.5MHz due to problems with some devices. Resolve the flow control response according to autoneg with external PHY. Unmasking all PHY interrupts in single write to prevent a race in the interrupts order. LASI indication fixes to work with peculiarities of PHYs. Disable MAC RX to avoid a HW bug when closing the MAC under traffic. Disable parallel detection on HiGig due to HW limitation. Updating the shared memory structure to work with the current bootcode. Signed-off-by: Eliezer Tamir Signed-off-by: David S. Miller --- drivers/net/bnx2x.c | 1711 ++++++++++++++++++++++++++++++++----------- drivers/net/bnx2x.h | 34 +- drivers/net/bnx2x_fw_defs.h | 2 +- drivers/net/bnx2x_hsi.h | 428 ++++++----- drivers/net/bnx2x_reg.h | 212 +++++- 5 files changed, 1736 insertions(+), 651 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2x.c b/drivers/net/bnx2x.c index 77867161968..5cd785064ba 100644 --- a/drivers/net/bnx2x.c +++ b/drivers/net/bnx2x.c @@ -1,6 +1,6 @@ /* bnx2x.c: Broadcom Everest network driver. * - * Copyright (c) 2007 Broadcom Corporation + * Copyright (c) 2007-2008 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -65,7 +65,7 @@ #define DRV_MODULE_VERSION "0.40.15" #define DRV_MODULE_RELDATE "$DateTime: 2007/11/15 07:28:37 $" -#define BNX2X_BC_VER 0x040009 +#define BNX2X_BC_VER 0x040200 /* Time in jiffies before concluding the transmitter is hung. */ #define TX_TIMEOUT (5*HZ) @@ -78,7 +78,7 @@ MODULE_AUTHOR("Eliezer Tamir "); MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_MODULE_VERSION); -MODULE_INFO(cvs_version, "$Revision: #356 $"); +MODULE_INFO(cvs_version, "$Revision: #404 $"); static int use_inta; static int poll; @@ -1181,12 +1181,175 @@ static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits) return val; } +static int bnx2x_hw_lock(struct bnx2x *bp, u32 resource) +{ + u32 cnt; + u32 lock_status; + u32 resource_bit = (1 << resource); + u8 func = bp->port; + + /* Validating that the resource is within range */ + if (resource > HW_LOCK_MAX_RESOURCE_VALUE) { + DP(NETIF_MSG_HW, + "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n", + resource, HW_LOCK_MAX_RESOURCE_VALUE); + return -EINVAL; + } + + /* Validating that the resource is not already taken */ + lock_status = REG_RD(bp, MISC_REG_DRIVER_CONTROL_1 + func*8); + if (lock_status & resource_bit) { + DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n", + lock_status, resource_bit); + return -EEXIST; + } + + /* Try for 1 second every 5ms */ + for (cnt = 0; cnt < 200; cnt++) { + /* Try to acquire the lock */ + REG_WR(bp, MISC_REG_DRIVER_CONTROL_1 + func*8 + 4, + resource_bit); + lock_status = REG_RD(bp, MISC_REG_DRIVER_CONTROL_1 + func*8); + if (lock_status & resource_bit) + return 0; + + msleep(5); + } + DP(NETIF_MSG_HW, "Timeout\n"); + return -EAGAIN; +} + +static int bnx2x_hw_unlock(struct bnx2x *bp, u32 resource) +{ + u32 lock_status; + u32 resource_bit = (1 << resource); + u8 func = bp->port; + + /* Validating that the resource is within range */ + if (resource > HW_LOCK_MAX_RESOURCE_VALUE) { + DP(NETIF_MSG_HW, + "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n", + resource, HW_LOCK_MAX_RESOURCE_VALUE); + return -EINVAL; + } + + /* Validating that the resource is currently taken */ + lock_status = REG_RD(bp, MISC_REG_DRIVER_CONTROL_1 + func*8); + if (!(lock_status & resource_bit)) { + DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n", + lock_status, resource_bit); + return -EFAULT; + } + + REG_WR(bp, MISC_REG_DRIVER_CONTROL_1 + func*8, resource_bit); + return 0; +} + +static int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode) +{ + /* The GPIO should be swapped if swap register is set and active */ + int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) && + REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ bp->port; + int gpio_shift = gpio_num + + (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0); + u32 gpio_mask = (1 << gpio_shift); + u32 gpio_reg; + + if (gpio_num > MISC_REGISTERS_GPIO_3) { + BNX2X_ERR("Invalid GPIO %d\n", gpio_num); + return -EINVAL; + } + + bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_GPIO); + /* read GPIO and mask except the float bits */ + gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT); + + switch (mode) { + case MISC_REGISTERS_GPIO_OUTPUT_LOW: + DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n", + gpio_num, gpio_shift); + /* clear FLOAT and set CLR */ + gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS); + gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS); + break; + + case MISC_REGISTERS_GPIO_OUTPUT_HIGH: + DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n", + gpio_num, gpio_shift); + /* clear FLOAT and set SET */ + gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS); + gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS); + break; + + case MISC_REGISTERS_GPIO_INPUT_HI_Z : + DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n", + gpio_num, gpio_shift); + /* set FLOAT */ + gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS); + break; + + default: + break; + } + + REG_WR(bp, MISC_REG_GPIO, gpio_reg); + bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_GPIO); + + return 0; +} + +static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode) +{ + u32 spio_mask = (1 << spio_num); + u32 spio_reg; + + if ((spio_num < MISC_REGISTERS_SPIO_4) || + (spio_num > MISC_REGISTERS_SPIO_7)) { + BNX2X_ERR("Invalid SPIO %d\n", spio_num); + return -EINVAL; + } + + bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_SPIO); + /* read SPIO and mask except the float bits */ + spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT); + + switch (mode) { + case MISC_REGISTERS_SPIO_OUTPUT_LOW : + DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num); + /* clear FLOAT and set CLR */ + spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS); + spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS); + break; + + case MISC_REGISTERS_SPIO_OUTPUT_HIGH : + DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num); + /* clear FLOAT and set SET */ + spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS); + spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS); + break; + + case MISC_REGISTERS_SPIO_INPUT_HI_Z: + DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num); + /* set FLOAT */ + spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS); + break; + + default: + break; + } + + REG_WR(bp, MISC_REG_SPIO, spio_reg); + bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_SPIO); + + return 0; +} + static int bnx2x_mdio22_write(struct bnx2x *bp, u32 reg, u32 val) { - int rc; - u32 tmp, i; int port = bp->port; u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; + u32 tmp; + int i, rc; /* DP(NETIF_MSG_HW, "phy_addr 0x%x reg 0x%x val 0x%08x\n", bp->phy_addr, reg, val); */ @@ -1238,8 +1401,8 @@ static int bnx2x_mdio22_read(struct bnx2x *bp, u32 reg, u32 *ret_val) { int port = bp->port; u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; - u32 val, i; - int rc; + u32 val; + int i, rc; if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) { @@ -1288,58 +1451,54 @@ static int bnx2x_mdio22_read(struct bnx2x *bp, u32 reg, u32 *ret_val) return rc; } -static int bnx2x_mdio45_write(struct bnx2x *bp, u32 reg, u32 addr, u32 val) +static int bnx2x_mdio45_ctrl_write(struct bnx2x *bp, u32 mdio_ctrl, + u32 phy_addr, u32 reg, u32 addr, u32 val) { - int rc = 0; - u32 tmp, i; - int port = bp->port; - u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; - - if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) { - - tmp = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); - tmp &= ~EMAC_MDIO_MODE_AUTO_POLL; - EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, tmp); - REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); - udelay(40); - } + u32 tmp; + int i, rc = 0; - /* set clause 45 mode */ - tmp = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); - tmp |= EMAC_MDIO_MODE_CLAUSE_45; - EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, tmp); + /* set clause 45 mode, slow down the MDIO clock to 2.5MHz + * (a value of 49==0x31) and make sure that the AUTO poll is off + */ + tmp = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); + tmp &= ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT); + tmp |= (EMAC_MDIO_MODE_CLAUSE_45 | + (49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT)); + REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, tmp); + REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); + udelay(40); /* address */ - tmp = ((bp->phy_addr << 21) | (reg << 16) | addr | + tmp = ((phy_addr << 21) | (reg << 16) | addr | EMAC_MDIO_COMM_COMMAND_ADDRESS | EMAC_MDIO_COMM_START_BUSY); - EMAC_WR(EMAC_REG_EMAC_MDIO_COMM, tmp); + REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); for (i = 0; i < 50; i++) { udelay(10); - tmp = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM); + tmp = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { udelay(5); break; } } - if (tmp & EMAC_MDIO_COMM_START_BUSY) { BNX2X_ERR("write phy register failed\n"); rc = -EBUSY; + } else { /* data */ - tmp = ((bp->phy_addr << 21) | (reg << 16) | val | + tmp = ((phy_addr << 21) | (reg << 16) | val | EMAC_MDIO_COMM_COMMAND_WRITE_45 | EMAC_MDIO_COMM_START_BUSY); - EMAC_WR(EMAC_REG_EMAC_MDIO_COMM, tmp); + REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); for (i = 0; i < 50; i++) { udelay(10); - tmp = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM); + tmp = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { udelay(5); break; @@ -1353,75 +1512,78 @@ static int bnx2x_mdio45_write(struct bnx2x *bp, u32 reg, u32 addr, u32 val) } } - /* unset clause 45 mode */ - tmp = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); - tmp &= ~EMAC_MDIO_MODE_CLAUSE_45; - EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, tmp); - - if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) { - - tmp = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); + /* unset clause 45 mode, set the MDIO clock to a faster value + * (0x13 => 6.25Mhz) and restore the AUTO poll if needed + */ + tmp = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); + tmp &= ~(EMAC_MDIO_MODE_CLAUSE_45 | EMAC_MDIO_MODE_CLOCK_CNT); + tmp |= (0x13 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT); + if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) tmp |= EMAC_MDIO_MODE_AUTO_POLL; - EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, tmp); - } + REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, tmp); return rc; } -static int bnx2x_mdio45_read(struct bnx2x *bp, u32 reg, u32 addr, - u32 *ret_val) +static int bnx2x_mdio45_write(struct bnx2x *bp, u32 phy_addr, u32 reg, + u32 addr, u32 val) { - int port = bp->port; - u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; - u32 val, i; - int rc = 0; + u32 emac_base = bp->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; - if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) { + return bnx2x_mdio45_ctrl_write(bp, emac_base, phy_addr, + reg, addr, val); +} - val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); - val &= ~EMAC_MDIO_MODE_AUTO_POLL; - EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, val); - REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); - udelay(40); - } +static int bnx2x_mdio45_ctrl_read(struct bnx2x *bp, u32 mdio_ctrl, + u32 phy_addr, u32 reg, u32 addr, + u32 *ret_val) +{ + u32 val; + int i, rc = 0; - /* set clause 45 mode */ - val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); - val |= EMAC_MDIO_MODE_CLAUSE_45; - EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, val); + /* set clause 45 mode, slow down the MDIO clock to 2.5MHz + * (a value of 49==0x31) and make sure that the AUTO poll is off + */ + val = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); + val &= ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT); + val |= (EMAC_MDIO_MODE_CLAUSE_45 | + (49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT)); + REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val); + REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); + udelay(40); /* address */ - val = ((bp->phy_addr << 21) | (reg << 16) | addr | + val = ((phy_addr << 21) | (reg << 16) | addr | EMAC_MDIO_COMM_COMMAND_ADDRESS | EMAC_MDIO_COMM_START_BUSY); - EMAC_WR(EMAC_REG_EMAC_MDIO_COMM, val); + REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); for (i = 0; i < 50; i++) { udelay(10); - val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM); + val = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); if (!(val & EMAC_MDIO_COMM_START_BUSY)) { udelay(5); break; } } - if (val & EMAC_MDIO_COMM_START_BUSY) { BNX2X_ERR("read phy register failed\n"); *ret_val = 0; rc = -EBUSY; + } else { /* data */ - val = ((bp->phy_addr << 21) | (reg << 16) | + val = ((phy_addr << 21) | (reg << 16) | EMAC_MDIO_COMM_COMMAND_READ_45 | EMAC_MDIO_COMM_START_BUSY); - EMAC_WR(EMAC_REG_EMAC_MDIO_COMM, val); + REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); for (i = 0; i < 50; i++) { udelay(10); - val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM); + val = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); if (!(val & EMAC_MDIO_COMM_START_BUSY)) { val &= EMAC_MDIO_COMM_DATA; break; @@ -1438,31 +1600,39 @@ static int bnx2x_mdio45_read(struct bnx2x *bp, u32 reg, u32 addr, *ret_val = val; } - /* unset clause 45 mode */ - val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); - val &= ~EMAC_MDIO_MODE_CLAUSE_45; - EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, val); - - if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) { - - val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); + /* unset clause 45 mode, set the MDIO clock to a faster value + * (0x13 => 6.25Mhz) and restore the AUTO poll if needed + */ + val = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); + val &= ~(EMAC_MDIO_MODE_CLAUSE_45 | EMAC_MDIO_MODE_CLOCK_CNT); + val |= (0x13 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT); + if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) val |= EMAC_MDIO_MODE_AUTO_POLL; - EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, val); - } + REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val); return rc; } -static int bnx2x_mdio45_vwrite(struct bnx2x *bp, u32 reg, u32 addr, u32 val) +static int bnx2x_mdio45_read(struct bnx2x *bp, u32 phy_addr, u32 reg, + u32 addr, u32 *ret_val) +{ + u32 emac_base = bp->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; + + return bnx2x_mdio45_ctrl_read(bp, emac_base, phy_addr, + reg, addr, ret_val); +} + +static int bnx2x_mdio45_vwrite(struct bnx2x *bp, u32 phy_addr, u32 reg, + u32 addr, u32 val) { int i; u32 rd_val; might_sleep(); for (i = 0; i < 10; i++) { - bnx2x_mdio45_write(bp, reg, addr, val); + bnx2x_mdio45_write(bp, phy_addr, reg, addr, val); msleep(5); - bnx2x_mdio45_read(bp, reg, addr, &rd_val); + bnx2x_mdio45_read(bp, phy_addr, reg, addr, &rd_val); /* if the read value is not the same as the value we wrote, we should write it again */ if (rd_val == val) @@ -1476,10 +1646,73 @@ static int bnx2x_mdio45_vwrite(struct bnx2x *bp, u32 reg, u32 addr, u32 val) * link management */ +static void bnx2x_pause_resolve(struct bnx2x *bp, u32 pause_result) +{ + switch (pause_result) { /* ASYM P ASYM P */ + case 0xb: /* 1 0 1 1 */ + bp->flow_ctrl = FLOW_CTRL_TX; + break; + + case 0xe: /* 1 1 1 0 */ + bp->flow_ctrl = FLOW_CTRL_RX; + break; + + case 0x5: /* 0 1 0 1 */ + case 0x7: /* 0 1 1 1 */ + case 0xd: /* 1 1 0 1 */ + case 0xf: /* 1 1 1 1 */ + bp->flow_ctrl = FLOW_CTRL_BOTH; + break; + + default: + break; + } +} + +static u8 bnx2x_ext_phy_resove_fc(struct bnx2x *bp) +{ + u32 ext_phy_addr; + u32 ld_pause; /* local */ + u32 lp_pause; /* link partner */ + u32 an_complete; /* AN complete */ + u32 pause_result; + u8 ret = 0; + + ext_phy_addr = ((bp->ext_phy_config & + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); + + /* read twice */ + bnx2x_mdio45_read(bp, ext_phy_addr, + EXT_PHY_KR_AUTO_NEG_DEVAD, + EXT_PHY_KR_STATUS, &an_complete); + bnx2x_mdio45_read(bp, ext_phy_addr, + EXT_PHY_KR_AUTO_NEG_DEVAD, + EXT_PHY_KR_STATUS, &an_complete); + + if (an_complete & EXT_PHY_KR_AUTO_NEG_COMPLETE) { + ret = 1; + bnx2x_mdio45_read(bp, ext_phy_addr, + EXT_PHY_KR_AUTO_NEG_DEVAD, + EXT_PHY_KR_AUTO_NEG_ADVERT, &ld_pause); + bnx2x_mdio45_read(bp, ext_phy_addr, + EXT_PHY_KR_AUTO_NEG_DEVAD, + EXT_PHY_KR_LP_AUTO_NEG, &lp_pause); + pause_result = (ld_pause & + EXT_PHY_KR_AUTO_NEG_ADVERT_PAUSE_MASK) >> 8; + pause_result |= (lp_pause & + EXT_PHY_KR_AUTO_NEG_ADVERT_PAUSE_MASK) >> 10; + DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x \n", + pause_result); + bnx2x_pause_resolve(bp, pause_result); + } + return ret; +} + static void bnx2x_flow_ctrl_resolve(struct bnx2x *bp, u32 gp_status) { - u32 ld_pause; /* local driver */ - u32 lp_pause; /* link partner */ + u32 ld_pause; /* local driver */ + u32 lp_pause; /* link partner */ u32 pause_result; bp->flow_ctrl = 0; @@ -1501,45 +1734,57 @@ static void bnx2x_flow_ctrl_resolve(struct bnx2x *bp, u32 gp_status) pause_result |= (lp_pause & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7; DP(NETIF_MSG_LINK, "pause_result 0x%x\n", pause_result); + bnx2x_pause_resolve(bp, pause_result); + } else if (!(bp->req_autoneg & AUTONEG_FLOW_CTRL) || + !(bnx2x_ext_phy_resove_fc(bp))) { + /* forced speed */ + if (bp->req_autoneg & AUTONEG_FLOW_CTRL) { + switch (bp->req_flow_ctrl) { + case FLOW_CTRL_AUTO: + if (bp->dev->mtu <= 4500) + bp->flow_ctrl = FLOW_CTRL_BOTH; + else + bp->flow_ctrl = FLOW_CTRL_TX; + break; - switch (pause_result) { /* ASYM P ASYM P */ - case 0xb: /* 1 0 1 1 */ - bp->flow_ctrl = FLOW_CTRL_TX; - break; - - case 0xe: /* 1 1 1 0 */ - bp->flow_ctrl = FLOW_CTRL_RX; - break; + case FLOW_CTRL_TX: + bp->flow_ctrl = FLOW_CTRL_TX; + break; - case 0x5: /* 0 1 0 1 */ - case 0x7: /* 0 1 1 1 */ - case 0xd: /* 1 1 0 1 */ - case 0xf: /* 1 1 1 1 */ - bp->flow_ctrl = FLOW_CTRL_BOTH; - break; + case FLOW_CTRL_RX: + if (bp->dev->mtu <= 4500) + bp->flow_ctrl = FLOW_CTRL_RX; + break; - default: - break; - } + case FLOW_CTRL_BOTH: + if (bp->dev->mtu <= 4500) + bp->flow_ctrl = FLOW_CTRL_BOTH; + else + bp->flow_ctrl = FLOW_CTRL_TX; + break; - } else { /* forced mode */ - switch (bp->req_flow_ctrl) { - case FLOW_CTRL_AUTO: - if (bp->dev->mtu <= 4500) - bp->flow_ctrl = FLOW_CTRL_BOTH; - else - bp->flow_ctrl = FLOW_CTRL_TX; - break; + case FLOW_CTRL_NONE: + default: + break; + } + } else { /* forced mode */ + switch (bp->req_flow_ctrl) { + case FLOW_CTRL_AUTO: + DP(NETIF_MSG_LINK, "req_flow_ctrl 0x%x while" + " req_autoneg 0x%x\n", + bp->req_flow_ctrl, bp->req_autoneg); + break; - case FLOW_CTRL_TX: - case FLOW_CTRL_RX: - case FLOW_CTRL_BOTH: - bp->flow_ctrl = bp->req_flow_ctrl; - break; + case FLOW_CTRL_TX: + case FLOW_CTRL_RX: + case FLOW_CTRL_BOTH: + bp->flow_ctrl = bp->req_flow_ctrl; + break; - case FLOW_CTRL_NONE: - default: - break; + case FLOW_CTRL_NONE: + default: + break; + } } } DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", bp->flow_ctrl); @@ -1550,9 +1795,9 @@ static void bnx2x_link_settings_status(struct bnx2x *bp, u32 gp_status) bp->link_status = 0; if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) { - DP(NETIF_MSG_LINK, "link up\n"); + DP(NETIF_MSG_LINK, "phy link up\n"); - bp->link_up = 1; + bp->phy_link_up = 1; bp->link_status |= LINK_STATUS_LINK_UP; if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS) @@ -1661,20 +1906,20 @@ static void bnx2x_link_settings_status(struct bnx2x *bp, u32 gp_status) bp->link_status |= LINK_STATUS_RX_FLOW_CONTROL_ENABLED; } else { /* link_down */ - DP(NETIF_MSG_LINK, "link down\n"); + DP(NETIF_MSG_LINK, "phy link down\n"); - bp->link_up = 0; + bp->phy_link_up = 0; bp->line_speed = 0; bp->duplex = DUPLEX_FULL; bp->flow_ctrl = 0; } - DP(NETIF_MSG_LINK, "gp_status 0x%x link_up %d\n" + DP(NETIF_MSG_LINK, "gp_status 0x%x phy_link_up %d\n" DP_LEVEL " line_speed %d duplex %d flow_ctrl 0x%x" " link_status 0x%x\n", - gp_status, bp->link_up, bp->line_speed, bp->duplex, bp->flow_ctrl, - bp->link_status); + gp_status, bp->phy_link_up, bp->line_speed, bp->duplex, + bp->flow_ctrl, bp->link_status); } static void bnx2x_link_int_ack(struct bnx2x *bp, int is_10g) @@ -1684,38 +1929,38 @@ static void bnx2x_link_int_ack(struct bnx2x *bp, int is_10g) /* first reset all status * we assume only one line will be change at a time */ bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, - (NIG_XGXS0_LINK_STATUS | - NIG_SERDES0_LINK_STATUS | - NIG_STATUS_INTERRUPT_XGXS0_LINK10G)); - if (bp->link_up) { + (NIG_STATUS_XGXS0_LINK10G | + NIG_STATUS_XGXS0_LINK_STATUS | + NIG_STATUS_SERDES0_LINK_STATUS)); + if (bp->phy_link_up) { if (is_10g) { /* Disable the 10G link interrupt * by writing 1 to the status register */ - DP(NETIF_MSG_LINK, "10G XGXS link up\n"); + DP(NETIF_MSG_LINK, "10G XGXS phy link up\n"); bnx2x_bits_en(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, - NIG_STATUS_INTERRUPT_XGXS0_LINK10G); + NIG_STATUS_XGXS0_LINK10G); } else if (bp->phy_flags & PHY_XGXS_FLAG) { /* Disable the link interrupt * by writing 1 to the relevant lane * in the status register */ - DP(NETIF_MSG_LINK, "1G XGXS link up\n"); + DP(NETIF_MSG_LINK, "1G XGXS phy link up\n"); bnx2x_bits_en(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, ((1 << bp->ser_lane) << - NIG_XGXS0_LINK_STATUS_SIZE)); + NIG_STATUS_XGXS0_LINK_STATUS_SIZE)); } else { /* SerDes */ - DP(NETIF_MSG_LINK, "SerDes link up\n"); + DP(NETIF_MSG_LINK, "SerDes phy link up\n"); /* Disable the link interrupt * by writing 1 to the status register */ bnx2x_bits_en(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, - NIG_SERDES0_LINK_STATUS); + NIG_STATUS_SERDES0_LINK_STATUS); } } else { /* link_down */ @@ -1726,91 +1971,182 @@ static int bnx2x_ext_phy_is_link_up(struct bnx2x *bp) { u32 ext_phy_type; u32 ext_phy_addr; - u32 local_phy; - u32 val = 0; + u32 val1 = 0, val2; u32 rx_sd, pcs_status; if (bp->phy_flags & PHY_XGXS_FLAG) { - local_phy = bp->phy_addr; ext_phy_addr = ((bp->ext_phy_config & PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); - bp->phy_addr = (u8)ext_phy_addr; ext_phy_type = XGXS_EXT_PHY_TYPE(bp); switch (ext_phy_type) { case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: DP(NETIF_MSG_LINK, "XGXS Direct\n"); - val = 1; + val1 = 1; break; case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: DP(NETIF_MSG_LINK, "XGXS 8705\n"); - bnx2x_mdio45_read(bp, EXT_PHY_OPT_WIS_DEVAD, - EXT_PHY_OPT_LASI_STATUS, &val); - DP(NETIF_MSG_LINK, "8705 LASI status is %d\n", val); - - bnx2x_mdio45_read(bp, EXT_PHY_OPT_WIS_DEVAD, - EXT_PHY_OPT_LASI_STATUS, &val); - DP(NETIF_MSG_LINK, "8705 LASI status is %d\n", val); - - bnx2x_mdio45_read(bp, EXT_PHY_OPT_PMA_PMD_DEVAD, + bnx2x_mdio45_read(bp, ext_phy_addr, + EXT_PHY_OPT_WIS_DEVAD, + EXT_PHY_OPT_LASI_STATUS, &val1); + DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1); + + bnx2x_mdio45_read(bp, ext_phy_addr, + EXT_PHY_OPT_WIS_DEVAD, + EXT_PHY_OPT_LASI_STATUS, &val1); + DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1); + + bnx2x_mdio45_read(bp, ext_phy_addr, + EXT_PHY_OPT_PMA_PMD_DEVAD, EXT_PHY_OPT_PMD_RX_SD, &rx_sd); - val = (rx_sd & 0x1); + DP(NETIF_MSG_LINK, "8705 rx_sd 0x%x\n", rx_sd); + val1 = (rx_sd & 0x1); break; case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: DP(NETIF_MSG_LINK, "XGXS 8706\n"); - bnx2x_mdio45_read(bp, EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_OPT_LASI_STATUS, &val); - DP(NETIF_MSG_LINK, "8706 LASI status is %d\n", val); - - bnx2x_mdio45_read(bp, EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_OPT_LASI_STATUS, &val); - DP(NETIF_MSG_LINK, "8706 LASI status is %d\n", val); - - bnx2x_mdio45_read(bp, EXT_PHY_OPT_PMA_PMD_DEVAD, + bnx2x_mdio45_read(bp, ext_phy_addr, + EXT_PHY_OPT_PMA_PMD_DEVAD, + EXT_PHY_OPT_LASI_STATUS, &val1); + DP(NETIF_MSG_LINK, "8706 LASI status 0x%x\n", val1); + + bnx2x_mdio45_read(bp, ext_phy_addr, + EXT_PHY_OPT_PMA_PMD_DEVAD, + EXT_PHY_OPT_LASI_STATUS, &val1); + DP(NETIF_MSG_LINK, "8706 LASI status 0x%x\n", val1); + + bnx2x_mdio45_read(bp, ext_phy_addr, + EXT_PHY_OPT_PMA_PMD_DEVAD, EXT_PHY_OPT_PMD_RX_SD, &rx_sd); - bnx2x_mdio45_read(bp, EXT_PHY_OPT_PCS_DEVAD, - EXT_PHY_OPT_PCS_STATUS, &pcs_status); + bnx2x_mdio45_read(bp, ext_phy_addr, + EXT_PHY_OPT_PCS_DEVAD, + EXT_PHY_OPT_PCS_STATUS, &pcs_status); + bnx2x_mdio45_read(bp, ext_phy_addr, + EXT_PHY_AUTO_NEG_DEVAD, + EXT_PHY_OPT_AN_LINK_STATUS, &val2); + DP(NETIF_MSG_LINK, "8706 rx_sd 0x%x" - " pcs_status 0x%x\n", rx_sd, pcs_status); - /* link is up if both bit 0 of pmd_rx and - * bit 0 of pcs_status are set + " pcs_status 0x%x 1Gbps link_status 0x%x 0x%x\n", + rx_sd, pcs_status, val2, (val2 & (1<<1))); + /* link is up if both bit 0 of pmd_rx_sd and + * bit 0 of pcs_status are set, or if the autoneg bit + 1 is set + */ + val1 = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1))); + break; + + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: + bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO); + + /* clear the interrupt LASI status register */ + bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, + ext_phy_addr, + EXT_PHY_KR_PCS_DEVAD, + EXT_PHY_KR_LASI_STATUS, &val2); + bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, + ext_phy_addr, + EXT_PHY_KR_PCS_DEVAD, + EXT_PHY_KR_LASI_STATUS, &val1); + DP(NETIF_MSG_LINK, "KR LASI status 0x%x->0x%x\n", + val2, val1); + /* Check the LASI */ + bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, + ext_phy_addr, + EXT_PHY_KR_PMA_PMD_DEVAD, + 0x9003, &val2); + bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, + ext_phy_addr, + EXT_PHY_KR_PMA_PMD_DEVAD, + 0x9003, &val1); + DP(NETIF_MSG_LINK, "KR 0x9003 0x%x->0x%x\n", + val2, val1); + /* Check the link status */ + bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, + ext_phy_addr, + EXT_PHY_KR_PCS_DEVAD, + EXT_PHY_KR_PCS_STATUS, &val2); + DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2); + /* Check the link status on 1.1.2 */ + bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, + ext_phy_addr, + EXT_PHY_OPT_PMA_PMD_DEVAD, + EXT_PHY_KR_STATUS, &val2); + bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, + ext_phy_addr, + EXT_PHY_OPT_PMA_PMD_DEVAD, + EXT_PHY_KR_STATUS, &val1); + DP(NETIF_MSG_LINK, + "KR PMA status 0x%x->0x%x\n", val2, val1); + val1 = ((val1 & 4) == 4); + /* If 1G was requested assume the link is up */ + if (!(bp->req_autoneg & AUTONEG_SPEED) && + (bp->req_line_speed == SPEED_1000)) + val1 = 1; + bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_8072_MDIO); + break; + + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: + bnx2x_mdio45_read(bp, ext_phy_addr, + EXT_PHY_OPT_PMA_PMD_DEVAD, + EXT_PHY_OPT_LASI_STATUS, &val2); + bnx2x_mdio45_read(bp, ext_phy_addr, + EXT_PHY_OPT_PMA_PMD_DEVAD, + EXT_PHY_OPT_LASI_STATUS, &val1); + DP(NETIF_MSG_LINK, + "10G-base-T LASI status 0x%x->0x%x\n", val2, val1); + bnx2x_mdio45_read(bp, ext_phy_addr, + EXT_PHY_OPT_PMA_PMD_DEVAD, + EXT_PHY_KR_STATUS, &val2); + bnx2x_mdio45_read(bp, ext_phy_addr, + EXT_PHY_OPT_PMA_PMD_DEVAD, + EXT_PHY_KR_STATUS, &val1); + DP(NETIF_MSG_LINK, + "10G-base-T PMA status 0x%x->0x%x\n", val2, val1); + val1 = ((val1 & 4) == 4); + /* if link is up + * print the AN outcome of the SFX7101 PHY */ - val = (rx_sd & pcs_status); + if (val1) { + bnx2x_mdio45_read(bp, ext_phy_addr, + EXT_PHY_KR_AUTO_NEG_DEVAD, + 0x21, &val2); + DP(NETIF_MSG_LINK, + "SFX7101 AN status 0x%x->%s\n", val2, + (val2 & (1<<14)) ? "Master" : "Slave"); + } break; default: DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n", bp->ext_phy_config); - val = 0; + val1 = 0; break; } - bp->phy_addr = local_phy; } else { /* SerDes */ ext_phy_type = SERDES_EXT_PHY_TYPE(bp); switch (ext_phy_type) { case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT: DP(NETIF_MSG_LINK, "SerDes Direct\n"); - val = 1; + val1 = 1; break; case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482: DP(NETIF_MSG_LINK, "SerDes 5482\n"); - val = 1; + val1 = 1; break; default: DP(NETIF_MSG_LINK, "BAD SerDes ext_phy_config 0x%x\n", bp->ext_phy_config); - val = 0; + val1 = 0; break; } } - return val; + return val1; } static void bnx2x_bmac_enable(struct bnx2x *bp, int is_lb) @@ -1935,6 +2271,35 @@ static void bnx2x_bmac_enable(struct bnx2x *bp, int is_lb) bp->stats_state = STATS_STATE_ENABLE; } +static void bnx2x_bmac_rx_disable(struct bnx2x *bp) +{ + int port = bp->port; + u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : + NIG_REG_INGRESS_BMAC0_MEM; + u32 wb_write[2]; + + /* Only if the bmac is out of reset */ + if (REG_RD(bp, MISC_REG_RESET_REG_2) & + (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)) { + /* Clear Rx Enable bit in BMAC_CONTROL register */ +#ifdef BNX2X_DMAE_RD + bnx2x_read_dmae(bp, bmac_addr + + BIGMAC_REGISTER_BMAC_CONTROL, 2); + wb_write[0] = *bnx2x_sp(bp, wb_data[0]); + wb_write[1] = *bnx2x_sp(bp, wb_data[1]); +#else + wb_write[0] = REG_RD(bp, + bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL); + wb_write[1] = REG_RD(bp, + bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL + 4); +#endif + wb_write[0] &= ~BMAC_CONTROL_RX_ENABLE; + REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, + wb_write, 2); + msleep(1); + } +} + static void bnx2x_emac_enable(struct bnx2x *bp) { int port = bp->port; @@ -2233,7 +2598,7 @@ static void bnx2x_pbf_update(struct bnx2x *bp) static void bnx2x_update_mng(struct bnx2x *bp) { if (!nomcp) - SHMEM_WR(bp, drv_fw_mb[bp->port].link_status, + SHMEM_WR(bp, port_mb[bp->port].link_status, bp->link_status); } @@ -2295,19 +2660,19 @@ static void bnx2x_link_down(struct bnx2x *bp) DP(BNX2X_MSG_STATS, "stats_state - STOP\n"); } - /* indicate link down */ + /* indicate no mac active */ bp->phy_flags &= ~(PHY_BMAC_FLAG | PHY_EMAC_FLAG); - /* reset BigMac */ - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, - (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); + /* update shared memory */ + bnx2x_update_mng(bp); - /* ignore drain flag interrupt */ /* activate nig drain */ NIG_WR(NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); - /* update shared memory */ - bnx2x_update_mng(bp); + /* reset BigMac */ + bnx2x_bmac_rx_disable(bp); + REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, + (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); /* indicate link down */ bnx2x_link_report(bp); @@ -2318,14 +2683,15 @@ static void bnx2x_init_mac_stats(struct bnx2x *bp); /* This function is called upon link interrupt */ static void bnx2x_link_update(struct bnx2x *bp) { - u32 gp_status; int port = bp->port; int i; + u32 gp_status; int link_10g; - DP(NETIF_MSG_LINK, "port %x, is xgxs %x, stat_mask 0x%x," + DP(NETIF_MSG_LINK, "port %x, %s, int_status 0x%x," " int_mask 0x%x, saved_mask 0x%x, MI_INT %x, SERDES_LINK %x," - " 10G %x, XGXS_LINK %x\n", port, (bp->phy_flags & PHY_XGXS_FLAG), + " 10G %x, XGXS_LINK %x\n", port, + (bp->phy_flags & PHY_XGXS_FLAG)? "XGXS":"SerDes", REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4), REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4), bp->nig_mask, REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18), @@ -2337,7 +2703,7 @@ static void bnx2x_link_update(struct bnx2x *bp) might_sleep(); MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_GP_STATUS); /* avoid fast toggling */ - for (i = 0 ; i < 10 ; i++) { + for (i = 0; i < 10; i++) { msleep(10); bnx2x_mdio22_read(bp, MDIO_GP_STATUS_TOP_AN_STATUS1, &gp_status); @@ -2352,7 +2718,8 @@ static void bnx2x_link_update(struct bnx2x *bp) bnx2x_link_int_ack(bp, link_10g); /* link is up only if both local phy and external phy are up */ - if (bp->link_up && bnx2x_ext_phy_is_link_up(bp)) { + bp->link_up = (bp->phy_link_up && bnx2x_ext_phy_is_link_up(bp)); + if (bp->link_up) { if (link_10g) { bnx2x_bmac_enable(bp, 0); bnx2x_leds_set(bp, SPEED_10000); @@ -2428,7 +2795,9 @@ static void bnx2x_reset_unicore(struct bnx2x *bp) } } - BNX2X_ERR("BUG! unicore is still in reset!\n"); + BNX2X_ERR("BUG! %s (0x%x) is still in reset!\n", + (bp->phy_flags & PHY_XGXS_FLAG)? "XGXS":"SerDes", + bp->phy_addr); } static void bnx2x_set_swap_lanes(struct bnx2x *bp) @@ -2476,12 +2845,12 @@ static void bnx2x_set_parallel_detection(struct bnx2x *bp) MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_10G_PARALLEL_DETECT); bnx2x_mdio22_write(bp, - MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK, + MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK, MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT); bnx2x_mdio22_read(bp, - MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL, - &control2); + MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL, + &control2); if (bp->autoneg & AUTONEG_PARALLEL) { control2 |= @@ -2491,8 +2860,14 @@ static void bnx2x_set_parallel_detection(struct bnx2x *bp) ~MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN; } bnx2x_mdio22_write(bp, - MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL, - control2); + MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL, + control2); + + /* Disable parallel detection of HiG */ + MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_XGXS_BLOCK2); + bnx2x_mdio22_write(bp, MDIO_XGXS_BLOCK2_UNICORE_MODE_10G, + MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS | + MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS); } } @@ -2626,7 +3001,7 @@ static void bnx2x_set_brcm_cl37_advertisment(struct bnx2x *bp) MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_OVER_1G); /* set extended capabilities */ - if (bp->advertising & ADVERTISED_2500baseT_Full) + if (bp->advertising & ADVERTISED_2500baseX_Full) val |= MDIO_OVER_1G_UP1_2_5G; if (bp->advertising & ADVERTISED_10000baseT_Full) val |= MDIO_OVER_1G_UP1_10G; @@ -2639,23 +3014,94 @@ static void bnx2x_set_ieee_aneg_advertisment(struct bnx2x *bp) { u32 an_adv; - /* for AN, we are always publishing full duplex */ - an_adv = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX; + /* for AN, we are always publishing full duplex */ + an_adv = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX; + + /* resolve pause mode and advertisement + * Please refer to Table 28B-3 of the 802.3ab-1999 spec */ + if (bp->req_autoneg & AUTONEG_FLOW_CTRL) { + switch (bp->req_flow_ctrl) { + case FLOW_CTRL_AUTO: + if (bp->dev->mtu <= 4500) { + an_adv |= + MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; + bp->advertising |= (ADVERTISED_Pause | + ADVERTISED_Asym_Pause); + } else { + an_adv |= + MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; + bp->advertising |= ADVERTISED_Asym_Pause; + } + break; + + case FLOW_CTRL_TX: + an_adv |= + MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; + bp->advertising |= ADVERTISED_Asym_Pause; + break; + + case FLOW_CTRL_RX: + if (bp->dev->mtu <= 4500) { + an_adv |= + MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; + bp->advertising |= (ADVERTISED_Pause | + ADVERTISED_Asym_Pause); + } else { + an_adv |= + MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE; + bp->advertising &= ~(ADVERTISED_Pause | + ADVERTISED_Asym_Pause); + } + break; + + case FLOW_CTRL_BOTH: + if (bp->dev->mtu <= 4500) { + an_adv |= + MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; + bp->advertising |= (ADVERTISED_Pause | + ADVERTISED_Asym_Pause); + } else { + an_adv |= + MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; + bp->advertising |= ADVERTISED_Asym_Pause; + } + break; + + case FLOW_CTRL_NONE: + default: + an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE; + bp->advertising &= ~(ADVERTISED_Pause | + ADVERTISED_Asym_Pause); + break; + } + } else { /* forced mode */ + switch (bp->req_flow_ctrl) { + case FLOW_CTRL_AUTO: + DP(NETIF_MSG_LINK, "req_flow_ctrl 0x%x while" + " req_autoneg 0x%x\n", + bp->req_flow_ctrl, bp->req_autoneg); + break; + + case FLOW_CTRL_TX: + an_adv |= + MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; + bp->advertising |= ADVERTISED_Asym_Pause; + break; + + case FLOW_CTRL_RX: + case FLOW_CTRL_BOTH: + an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; + bp->advertising |= (ADVERTISED_Pause | + ADVERTISED_Asym_Pause); + break; - /* set pause */ - switch (bp->pause_mode) { - case PAUSE_SYMMETRIC: - an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC; - break; - case PAUSE_ASYMMETRIC: - an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; - break; - case PAUSE_BOTH: - an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; - break; - case PAUSE_NONE: - an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE; - break; + case FLOW_CTRL_NONE: + default: + an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE; + bp->advertising &= ~(ADVERTISED_Pause | + ADVERTISED_Asym_Pause); + break; + } } MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); @@ -2753,47 +3199,162 @@ static void bnx2x_initialize_sgmii_process(struct bnx2x *bp) static void bnx2x_link_int_enable(struct bnx2x *bp) { int port = bp->port; + u32 ext_phy_type; + u32 mask; /* setting the status to report on link up for either XGXS or SerDes */ bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, - (NIG_XGXS0_LINK_STATUS | - NIG_STATUS_INTERRUPT_XGXS0_LINK10G | - NIG_SERDES0_LINK_STATUS)); + (NIG_STATUS_XGXS0_LINK10G | + NIG_STATUS_XGXS0_LINK_STATUS | + NIG_STATUS_SERDES0_LINK_STATUS)); if (bp->phy_flags & PHY_XGXS_FLAG) { - /* TBD - - * in force mode (not AN) we can enable just the relevant - * interrupt - * Even in AN we might enable only one according to the AN - * speed mask - */ - bnx2x_bits_en(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, - (NIG_MASK_XGXS0_LINK_STATUS | - NIG_MASK_XGXS0_LINK10G)); - DP(NETIF_MSG_LINK, "enable XGXS interrupt\n"); + mask = (NIG_MASK_XGXS0_LINK10G | + NIG_MASK_XGXS0_LINK_STATUS); + DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n"); + ext_phy_type = XGXS_EXT_PHY_TYPE(bp); + if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) && + (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) && + (ext_phy_type != + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)) { + mask |= NIG_MASK_MI_INT; + DP(NETIF_MSG_LINK, "enabled external phy int\n"); + } } else { /* SerDes */ - bnx2x_bits_en(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, - NIG_MASK_SERDES0_LINK_STATUS); - DP(NETIF_MSG_LINK, "enable SerDes interrupt\n"); + mask = NIG_MASK_SERDES0_LINK_STATUS; + DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n"); + ext_phy_type = SERDES_EXT_PHY_TYPE(bp); + if ((ext_phy_type != + PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT) && + (ext_phy_type != + PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN)) { + mask |= NIG_MASK_MI_INT; + DP(NETIF_MSG_LINK, "enabled external phy int\n"); + } } + bnx2x_bits_en(bp, + NIG_REG_MASK_INTERRUPT_PORT0 + port*4, + mask); + DP(NETIF_MSG_LINK, "port %x, %s, int_status 0x%x," + " int_mask 0x%x, MI_INT %x, SERDES_LINK %x," + " 10G %x, XGXS_LINK %x\n", port, + (bp->phy_flags & PHY_XGXS_FLAG)? "XGXS":"SerDes", + REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4), + REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4), + REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18), + REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c), + REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), + REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68) + ); +} + +static void bnx2x_bcm8072_external_rom_boot(struct bnx2x *bp) +{ + u32 ext_phy_addr = ((bp->ext_phy_config & + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); + u32 fw_ver1, fw_ver2; + + /* Need to wait 200ms after reset */ + msleep(200); + /* Boot port from external ROM + * Set ser_boot_ctl bit in the MISC_CTRL1 register + */ + bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, + EXT_PHY_KR_PMA_PMD_DEVAD, + EXT_PHY_KR_MISC_CTRL1, 0x0001); + + /* Reset internal microprocessor */ + bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, + EXT_PHY_KR_PMA_PMD_DEVAD, EXT_PHY_KR_GEN_CTRL, + EXT_PHY_KR_ROM_RESET_INTERNAL_MP); + /* set micro reset = 0 */ + bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, + EXT_PHY_KR_PMA_PMD_DEVAD, EXT_PHY_KR_GEN_CTRL, + EXT_PHY_KR_ROM_MICRO_RESET); + /* Reset internal microprocessor */ + bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, + EXT_PHY_KR_PMA_PMD_DEVAD, EXT_PHY_KR_GEN_CTRL, + EXT_PHY_KR_ROM_RESET_INTERNAL_MP); + /* wait for 100ms for code download via SPI port */ + msleep(100); + + /* Clear ser_boot_ctl bit */ + bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, + EXT_PHY_KR_PMA_PMD_DEVAD, + EXT_PHY_KR_MISC_CTRL1, 0x0000); + /* Wait 100ms */ + msleep(100); + + /* Print the PHY FW version */ + bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, ext_phy_addr, + EXT_PHY_KR_PMA_PMD_DEVAD, + 0xca19, &fw_ver1); + bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, ext_phy_addr, + EXT_PHY_KR_PMA_PMD_DEVAD, + 0xca1a, &fw_ver2); + DP(NETIF_MSG_LINK, + "8072 FW version 0x%x:0x%x\n", fw_ver1, fw_ver2); +} + +static void bnx2x_bcm8072_force_10G(struct bnx2x *bp) +{ + u32 ext_phy_addr = ((bp->ext_phy_config & + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); + + /* Force KR or KX */ + bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, + EXT_PHY_KR_PMA_PMD_DEVAD, EXT_PHY_KR_CTRL, + 0x2040); + bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, + EXT_PHY_KR_PMA_PMD_DEVAD, EXT_PHY_KR_CTRL2, + 0x000b); + bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, + EXT_PHY_KR_PMA_PMD_DEVAD, EXT_PHY_KR_PMD_CTRL, + 0x0000); + bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, + EXT_PHY_KR_AUTO_NEG_DEVAD, EXT_PHY_KR_CTRL, + 0x0000); } static void bnx2x_ext_phy_init(struct bnx2x *bp) { - int port = bp->port; u32 ext_phy_type; u32 ext_phy_addr; - u32 local_phy; + u32 cnt; + u32 ctrl; + u32 val = 0; if (bp->phy_flags & PHY_XGXS_FLAG) { - local_phy = bp->phy_addr; ext_phy_addr = ((bp->ext_phy_config & PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); ext_phy_type = XGXS_EXT_PHY_TYPE(bp); + /* Make sure that the soft reset is off (expect for the 8072: + * due to the lock, it will be done inside the specific + * handling) + */ + if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) && + (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) && + (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN) && + (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072)) { + /* Wait for soft reset to get cleared upto 1 sec */ + for (cnt = 0; cnt < 1000; cnt++) { + bnx2x_mdio45_read(bp, ext_phy_addr, + EXT_PHY_OPT_PMA_PMD_DEVAD, + EXT_PHY_OPT_CNTL, &ctrl); + if (!(ctrl & (1<<15))) + break; + msleep(1); + } + DP(NETIF_MSG_LINK, + "control reg 0x%x (after %d ms)\n", ctrl, cnt); + } + switch (ext_phy_type) { case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: DP(NETIF_MSG_LINK, "XGXS Direct\n"); @@ -2801,49 +3362,235 @@ static void bnx2x_ext_phy_init(struct bnx2x *bp) case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: DP(NETIF_MSG_LINK, "XGXS 8705\n"); - bnx2x_bits_en(bp, - NIG_REG_MASK_INTERRUPT_PORT0 + port*4, - NIG_MASK_MI_INT); - DP(NETIF_MSG_LINK, "enabled external phy int\n"); - bp->phy_addr = ext_phy_type; - bnx2x_mdio45_vwrite(bp, EXT_PHY_OPT_PMA_PMD_DEVAD, + bnx2x_mdio45_vwrite(bp, ext_phy_addr, + EXT_PHY_OPT_PMA_PMD_DEVAD, EXT_PHY_OPT_PMD_MISC_CNTL, 0x8288); - bnx2x_mdio45_vwrite(bp, EXT_PHY_OPT_PMA_PMD_DEVAD, + bnx2x_mdio45_vwrite(bp, ext_phy_addr, + EXT_PHY_OPT_PMA_PMD_DEVAD, EXT_PHY_OPT_PHY_IDENTIFIER, 0x7fbf); - bnx2x_mdio45_vwrite(bp, EXT_PHY_OPT_PMA_PMD_DEVAD, + bnx2x_mdio45_vwrite(bp, ext_phy_addr, + EXT_PHY_OPT_PMA_PMD_DEVAD, EXT_PHY_OPT_CMU_PLL_BYPASS, 0x0100); - bnx2x_mdio45_vwrite(bp, EXT_PHY_OPT_WIS_DEVAD, + bnx2x_mdio45_vwrite(bp, ext_phy_addr, + EXT_PHY_OPT_WIS_DEVAD, EXT_PHY_OPT_LASI_CNTL, 0x1); break; case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: DP(NETIF_MSG_LINK, "XGXS 8706\n"); - bnx2x_bits_en(bp, - NIG_REG_MASK_INTERRUPT_PORT0 + port*4, - NIG_MASK_MI_INT); - DP(NETIF_MSG_LINK, "enabled external phy int\n"); - bp->phy_addr = ext_phy_type; - bnx2x_mdio45_vwrite(bp, EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_OPT_PMD_DIGITAL_CNT, - 0x400); - bnx2x_mdio45_vwrite(bp, EXT_PHY_OPT_PMA_PMD_DEVAD, + if (!(bp->req_autoneg & AUTONEG_SPEED)) { + /* Force speed */ + if (bp->req_line_speed == SPEED_10000) { + DP(NETIF_MSG_LINK, + "XGXS 8706 force 10Gbps\n"); + bnx2x_mdio45_vwrite(bp, ext_phy_addr, + EXT_PHY_OPT_PMA_PMD_DEVAD, + EXT_PHY_OPT_PMD_DIGITAL_CNT, + 0x400); + } else { + /* Force 1Gbps */ + DP(NETIF_MSG_LINK, + "XGXS 8706 force 1Gbps\n"); + + bnx2x_mdio45_vwrite(bp, ext_phy_addr, + EXT_PHY_OPT_PMA_PMD_DEVAD, + EXT_PHY_OPT_CNTL, + 0x0040); + + bnx2x_mdio45_vwrite(bp, ext_phy_addr, + EXT_PHY_OPT_PMA_PMD_DEVAD, + EXT_PHY_OPT_CNTL2, + 0x000D); + } + + /* Enable LASI */ + bnx2x_mdio45_vwrite(bp, ext_phy_addr, + EXT_PHY_OPT_PMA_PMD_DEVAD, + EXT_PHY_OPT_LASI_CNTL, + 0x1); + } else { + /* AUTONEG */ + /* Allow CL37 through CL73 */ + DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n"); + bnx2x_mdio45_vwrite(bp, ext_phy_addr, + EXT_PHY_AUTO_NEG_DEVAD, + EXT_PHY_OPT_AN_CL37_CL73, + 0x040c); + + /* Enable Full-Duplex advertisment on CL37 */ + bnx2x_mdio45_vwrite(bp, ext_phy_addr, + EXT_PHY_AUTO_NEG_DEVAD, + EXT_PHY_OPT_AN_CL37_FD, + 0x0020); + /* Enable CL37 AN */ + bnx2x_mdio45_vwrite(bp, ext_phy_addr, + EXT_PHY_AUTO_NEG_DEVAD, + EXT_PHY_OPT_AN_CL37_AN, + 0x1000); + /* Advertise 10G/1G support */ + if (bp->advertising & + ADVERTISED_1000baseT_Full) + val = (1<<5); + if (bp->advertising & + ADVERTISED_10000baseT_Full) + val |= (1<<7); + + bnx2x_mdio45_vwrite(bp, ext_phy_addr, + EXT_PHY_AUTO_NEG_DEVAD, + EXT_PHY_OPT_AN_ADV, val); + /* Enable LASI */ + bnx2x_mdio45_vwrite(bp, ext_phy_addr, + EXT_PHY_OPT_PMA_PMD_DEVAD, + EXT_PHY_OPT_LASI_CNTL, + 0x1); + + /* Enable clause 73 AN */ + bnx2x_mdio45_write(bp, ext_phy_addr, + EXT_PHY_AUTO_NEG_DEVAD, + EXT_PHY_OPT_CNTL, + 0x1200); + } + break; + + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: + bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO); + /* Wait for soft reset to get cleared upto 1 sec */ + for (cnt = 0; cnt < 1000; cnt++) { + bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, + ext_phy_addr, + EXT_PHY_OPT_PMA_PMD_DEVAD, + EXT_PHY_OPT_CNTL, &ctrl); + if (!(ctrl & (1<<15))) + break; + msleep(1); + } + DP(NETIF_MSG_LINK, + "8072 control reg 0x%x (after %d ms)\n", + ctrl, cnt); + + bnx2x_bcm8072_external_rom_boot(bp); + DP(NETIF_MSG_LINK, "Finshed loading 8072 KR ROM\n"); + + /* enable LASI */ + bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, + ext_phy_addr, + EXT_PHY_KR_PMA_PMD_DEVAD, + 0x9000, 0x0400); + bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, + ext_phy_addr, + EXT_PHY_KR_PMA_PMD_DEVAD, + EXT_PHY_KR_LASI_CNTL, 0x0004); + + /* If this is forced speed, set to KR or KX + * (all other are not supported) + */ + if (!(bp->req_autoneg & AUTONEG_SPEED)) { + if (bp->req_line_speed == SPEED_10000) { + bnx2x_bcm8072_force_10G(bp); + DP(NETIF_MSG_LINK, + "Forced speed 10G on 8072\n"); + /* unlock */ + bnx2x_hw_unlock(bp, + HW_LOCK_RESOURCE_8072_MDIO); + break; + } else + val = (1<<5); + } else { + + /* Advertise 10G/1G support */ + if (bp->advertising & + ADVERTISED_1000baseT_Full) + val = (1<<5); + if (bp->advertising & + ADVERTISED_10000baseT_Full) + val |= (1<<7); + } + bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, + ext_phy_addr, + EXT_PHY_KR_AUTO_NEG_DEVAD, + 0x11, val); + /* Add support for CL37 ( passive mode ) I */ + bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, + ext_phy_addr, + EXT_PHY_KR_AUTO_NEG_DEVAD, + 0x8370, 0x040c); + /* Add support for CL37 ( passive mode ) II */ + bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, + ext_phy_addr, + EXT_PHY_KR_AUTO_NEG_DEVAD, + 0xffe4, 0x20); + /* Add support for CL37 ( passive mode ) III */ + bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, + ext_phy_addr, + EXT_PHY_KR_AUTO_NEG_DEVAD, + 0xffe0, 0x1000); + /* Restart autoneg */ + msleep(500); + bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, + ext_phy_addr, + EXT_PHY_KR_AUTO_NEG_DEVAD, + EXT_PHY_KR_CTRL, 0x1200); + DP(NETIF_MSG_LINK, "8072 Autoneg Restart: " + "1G %ssupported 10G %ssupported\n", + (val & (1<<5)) ? "" : "not ", + (val & (1<<7)) ? "" : "not "); + + /* unlock */ + bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_8072_MDIO); + break; + + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: + DP(NETIF_MSG_LINK, + "Setting the SFX7101 LASI indication\n"); + bnx2x_mdio45_vwrite(bp, ext_phy_addr, + EXT_PHY_OPT_PMA_PMD_DEVAD, EXT_PHY_OPT_LASI_CNTL, 0x1); + DP(NETIF_MSG_LINK, + "Setting the SFX7101 LED to blink on traffic\n"); + bnx2x_mdio45_vwrite(bp, ext_phy_addr, + EXT_PHY_OPT_PMA_PMD_DEVAD, + 0xC007, (1<<3)); + + /* read modify write pause advertizing */ + bnx2x_mdio45_read(bp, ext_phy_addr, + EXT_PHY_KR_AUTO_NEG_DEVAD, + EXT_PHY_KR_AUTO_NEG_ADVERT, &val); + val &= ~EXT_PHY_KR_AUTO_NEG_ADVERT_PAUSE_BOTH; + /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */ + if (bp->advertising & ADVERTISED_Pause) + val |= EXT_PHY_KR_AUTO_NEG_ADVERT_PAUSE; + + if (bp->advertising & ADVERTISED_Asym_Pause) { + val |= + EXT_PHY_KR_AUTO_NEG_ADVERT_PAUSE_ASYMMETRIC; + } + DP(NETIF_MSG_LINK, "SFX7101 AN advertize 0x%x\n", val); + bnx2x_mdio45_vwrite(bp, ext_phy_addr, + EXT_PHY_KR_AUTO_NEG_DEVAD, + EXT_PHY_KR_AUTO_NEG_ADVERT, val); + /* Restart autoneg */ + bnx2x_mdio45_read(bp, ext_phy_addr, + EXT_PHY_KR_AUTO_NEG_DEVAD, + EXT_PHY_KR_CTRL, &val); + val |= 0x200; + bnx2x_mdio45_write(bp, ext_phy_addr, + EXT_PHY_KR_AUTO_NEG_DEVAD, + EXT_PHY_KR_CTRL, val); break; default: - DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n", - bp->ext_phy_config); + BNX2X_ERR("BAD XGXS ext_phy_config 0x%x\n", + bp->ext_phy_config); break; } - bp->phy_addr = local_phy; } else { /* SerDes */ -/* ext_phy_addr = ((bp->ext_phy_config & +/* ext_phy_addr = ((bp->ext_phy_config & PORT_HW_CFG_SERDES_EXT_PHY_ADDR_MASK) >> PORT_HW_CFG_SERDES_EXT_PHY_ADDR_SHIFT); */ @@ -2855,10 +3602,6 @@ static void bnx2x_ext_phy_init(struct bnx2x *bp) case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482: DP(NETIF_MSG_LINK, "SerDes 5482\n"); - bnx2x_bits_en(bp, - NIG_REG_MASK_INTERRUPT_PORT0 + port*4, - NIG_MASK_MI_INT); - DP(NETIF_MSG_LINK, "enabled external phy int\n"); break; default: @@ -2872,8 +3615,22 @@ static void bnx2x_ext_phy_init(struct bnx2x *bp) static void bnx2x_ext_phy_reset(struct bnx2x *bp) { u32 ext_phy_type; - u32 ext_phy_addr; - u32 local_phy; + u32 ext_phy_addr = ((bp->ext_phy_config & + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> + PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); + u32 board = (bp->board & SHARED_HW_CFG_BOARD_TYPE_MASK); + + /* The PHY reset is controled by GPIO 1 + * Give it 1ms of reset pulse + */ + if ((board != SHARED_HW_CFG_BOARD_TYPE_BCM957710T1002G) && + (board != SHARED_HW_CFG_BOARD_TYPE_BCM957710T1003G)) { + bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, + MISC_REGISTERS_GPIO_OUTPUT_LOW); + msleep(1); + bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, + MISC_REGISTERS_GPIO_OUTPUT_HIGH); + } if (bp->phy_flags & PHY_XGXS_FLAG) { ext_phy_type = XGXS_EXT_PHY_TYPE(bp); @@ -2884,15 +3641,24 @@ static void bnx2x_ext_phy_reset(struct bnx2x *bp) case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: - DP(NETIF_MSG_LINK, "XGXS 8705/6\n"); - local_phy = bp->phy_addr; - ext_phy_addr = ((bp->ext_phy_config & - PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> - PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); - bp->phy_addr = (u8)ext_phy_addr; - bnx2x_mdio45_write(bp, EXT_PHY_OPT_PMA_PMD_DEVAD, + DP(NETIF_MSG_LINK, "XGXS 8705/8706\n"); + bnx2x_mdio45_write(bp, ext_phy_addr, + EXT_PHY_OPT_PMA_PMD_DEVAD, EXT_PHY_OPT_CNTL, 0xa040); - bp->phy_addr = local_phy; + break; + + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: + DP(NETIF_MSG_LINK, "XGXS 8072\n"); + bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO); + bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, + ext_phy_addr, + EXT_PHY_KR_PMA_PMD_DEVAD, + 0, 1<<15); + bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_8072_MDIO); + break; + + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: + DP(NETIF_MSG_LINK, "XGXS SFX7101\n"); break; default: @@ -2931,6 +3697,7 @@ static void bnx2x_link_initialize(struct bnx2x *bp) NIG_MASK_SERDES0_LINK_STATUS | NIG_MASK_MI_INT)); + /* Activate the external PHY */ bnx2x_ext_phy_reset(bp); bnx2x_set_aer_mmd(bp); @@ -3011,11 +3778,11 @@ static void bnx2x_link_initialize(struct bnx2x *bp) bnx2x_initialize_sgmii_process(bp); } - /* enable the interrupt */ - bnx2x_link_int_enable(bp); - /* init ext phy and enable link state int */ bnx2x_ext_phy_init(bp); + + /* enable the interrupt */ + bnx2x_link_int_enable(bp); } static void bnx2x_phy_deassert(struct bnx2x *bp) @@ -3074,6 +3841,11 @@ static int bnx2x_phy_init(struct bnx2x *bp) static void bnx2x_link_reset(struct bnx2x *bp) { int port = bp->port; + u32 board = (bp->board & SHARED_HW_CFG_BOARD_TYPE_MASK); + + /* update shared memory */ + bp->link_status = 0; + bnx2x_update_mng(bp); /* disable attentions */ bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, @@ -3082,21 +3854,45 @@ static void bnx2x_link_reset(struct bnx2x *bp) NIG_MASK_SERDES0_LINK_STATUS | NIG_MASK_MI_INT)); - bnx2x_ext_phy_reset(bp); + /* activate nig drain */ + NIG_WR(NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); + + /* disable nig egress interface */ + NIG_WR(NIG_REG_BMAC0_OUT_EN + port*4, 0); + NIG_WR(NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0); + + /* Stop BigMac rx */ + bnx2x_bmac_rx_disable(bp); + + /* disable emac */ + NIG_WR(NIG_REG_NIG_EMAC0_EN + port*4, 0); + + msleep(10); + + /* The PHY reset is controled by GPIO 1 + * Hold it as output low + */ + if ((board != SHARED_HW_CFG_BOARD_TYPE_BCM957710T1002G) && + (board != SHARED_HW_CFG_BOARD_TYPE_BCM957710T1003G)) { + bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, + MISC_REGISTERS_GPIO_OUTPUT_LOW); + DP(NETIF_MSG_LINK, "reset external PHY\n"); + } /* reset the SerDes/XGXS */ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, (0x1ff << (port*16))); - /* reset EMAC / BMAC and disable NIG interfaces */ - NIG_WR(NIG_REG_BMAC0_IN_EN + port*4, 0); - NIG_WR(NIG_REG_BMAC0_OUT_EN + port*4, 0); + /* reset BigMac */ + REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, + (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); - NIG_WR(NIG_REG_NIG_EMAC0_EN + port*4, 0); + /* disable nig ingress interface */ + NIG_WR(NIG_REG_BMAC0_IN_EN + port*4, 0); NIG_WR(NIG_REG_EMAC0_IN_EN + port*4, 0); - NIG_WR(NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0); - NIG_WR(NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); + /* set link down */ + bp->link_up = 0; } #ifdef BNX2X_XGXS_LB @@ -3177,6 +3973,7 @@ static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid, bnx2x_panic(); return -EBUSY; } + /* CID needs port number to be encoded int it */ bp->spq_prod_bd->hdr.conn_and_cmd_data = cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) | @@ -4335,7 +5132,7 @@ static void bnx2x_timer(unsigned long data) return; if (atomic_read(&bp->intr_sem) != 0) - goto bnx2x_restart_timer; + goto timer_restart; if (poll) { struct bnx2x_fastpath *fp = &bp->fp[0]; @@ -4345,7 +5142,7 @@ static void bnx2x_timer(unsigned long data) rc = bnx2x_rx_int(fp, 1000); } - if (!nomcp && (bp->bc_ver >= 0x040003)) { + if (!nomcp) { int port = bp->port; u32 drv_pulse; u32 mcp_pulse; @@ -4354,9 +5151,9 @@ static void bnx2x_timer(unsigned long data) bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK; /* TBD - add SYSTEM_TIME */ drv_pulse = bp->fw_drv_pulse_wr_seq; - SHMEM_WR(bp, drv_fw_mb[port].drv_pulse_mb, drv_pulse); + SHMEM_WR(bp, func_mb[port].drv_pulse_mb, drv_pulse); - mcp_pulse = (SHMEM_RD(bp, drv_fw_mb[port].mcp_pulse_mb) & + mcp_pulse = (SHMEM_RD(bp, func_mb[port].mcp_pulse_mb) & MCP_PULSE_SEQ_MASK); /* The delta between driver pulse and mcp response * should be 1 (before mcp response) or 0 (after mcp response) @@ -4370,11 +5167,11 @@ static void bnx2x_timer(unsigned long data) } if (bp->stats_state == STATS_STATE_DISABLE) - goto bnx2x_restart_timer; + goto timer_restart; bnx2x_update_stats(bp); -bnx2x_restart_timer: +timer_restart: mod_timer(&bp->timer, jiffies + bp->current_interval); } @@ -5266,8 +6063,10 @@ static int bnx2x_function_init(struct bnx2x *bp, int mode) if (mode & 0x1) { /* init common */ DP(BNX2X_MSG_MCP, "starting common init func %d mode %x\n", func, mode); - REG_WR(bp, MISC_REG_RESET_REG_1, 0xffffffff); - REG_WR(bp, MISC_REG_RESET_REG_2, 0xfffc); + REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, + 0xffffffff); + REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, + 0xfffc); bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END); REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100); @@ -5487,6 +6286,28 @@ static int bnx2x_function_init(struct bnx2x *bp, int mode) enable_blocks_attention(bp); /* enable_blocks_parity(bp); */ + switch (bp->board & SHARED_HW_CFG_BOARD_TYPE_MASK) { + case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G: + /* Fan failure is indicated by SPIO 5 */ + bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5, + MISC_REGISTERS_SPIO_INPUT_HI_Z); + + /* set to active low mode */ + val = REG_RD(bp, MISC_REG_SPIO_INT); + val |= ((1 << MISC_REGISTERS_SPIO_5) << + MISC_REGISTERS_SPIO_INT_OLD_SET_POS); + REG_WR(bp, MISC_REG_SPIO_INT, val); + + /* enable interrupt to signal the IGU */ + val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN); + val |= (1 << MISC_REGISTERS_SPIO_5); + REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val); + break; + + default: + break; + } + } /* end of common init */ /* per port init */ @@ -5646,6 +6467,18 @@ static int bnx2x_function_init(struct bnx2x *bp, int mode) /* Port MCP comes here */ /* Port DMAE comes here */ + switch (bp->board & SHARED_HW_CFG_BOARD_TYPE_MASK) { + case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G: + /* add SPIO 5 to group 0 */ + val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0); + val |= AEU_INPUTS_ATTN_BITS_SPIO5; + REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val); + break; + + default: + break; + } + bnx2x_link_reset(bp); /* Reset PCIE errors for debug */ @@ -5670,9 +6503,9 @@ static int bnx2x_function_init(struct bnx2x *bp, int mode) port = bp->port; bp->fw_drv_pulse_wr_seq = - (SHMEM_RD(bp, drv_fw_mb[port].drv_pulse_mb) & + (SHMEM_RD(bp, func_mb[port].drv_pulse_mb) & DRV_PULSE_SEQ_MASK); - bp->fw_mb = SHMEM_RD(bp, drv_fw_mb[port].fw_mb_param); + bp->fw_mb = SHMEM_RD(bp, func_mb[port].fw_mb_param); DP(BNX2X_MSG_MCP, "drv_pulse 0x%x fw_mb 0x%x\n", bp->fw_drv_pulse_wr_seq, bp->fw_mb); } else { @@ -5685,12 +6518,12 @@ static int bnx2x_function_init(struct bnx2x *bp, int mode) /* send the MCP a request, block until there is a reply */ static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command) { - u32 rc = 0; - u32 seq = ++bp->fw_seq; int port = bp->port; + u32 seq = ++bp->fw_seq; + u32 rc = 0; - SHMEM_WR(bp, drv_fw_mb[port].drv_mb_header, command|seq); - DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", command|seq); + SHMEM_WR(bp, func_mb[port].drv_mb_header, (command | seq)); + DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq)); /* let the FW do it's magic ... */ msleep(100); /* TBD */ @@ -5698,19 +6531,20 @@ static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command) if (CHIP_REV_IS_SLOW(bp)) msleep(900); - rc = SHMEM_RD(bp, drv_fw_mb[port].fw_mb_header); - + rc = SHMEM_RD(bp, func_mb[port].fw_mb_header); DP(BNX2X_MSG_MCP, "read (%x) seq is (%x) from FW MB\n", rc, seq); /* is this a reply to our command? */ if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) { rc &= FW_MSG_CODE_MASK; + } else { /* FW BUG! */ BNX2X_ERR("FW failed to respond!\n"); bnx2x_fw_dump(bp); rc = 0; } + return rc; } @@ -6559,7 +7393,7 @@ static void bnx2x_link_settings_supported(struct bnx2x *bp, u32 switch_cfg) SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | SUPPORTED_1000baseT_Full | - SUPPORTED_2500baseT_Full | + SUPPORTED_2500baseX_Full | SUPPORTED_TP | SUPPORTED_FIBRE | SUPPORTED_Autoneg | SUPPORTED_Pause | @@ -6572,10 +7406,10 @@ static void bnx2x_link_settings_supported(struct bnx2x *bp, u32 switch_cfg) bp->phy_flags |= PHY_SGMII_FLAG; - bp->supported |= (/* SUPPORTED_10baseT_Half | - SUPPORTED_10baseT_Full | - SUPPORTED_100baseT_Half | - SUPPORTED_100baseT_Full |*/ + bp->supported |= (SUPPORTED_10baseT_Half | + SUPPORTED_10baseT_Full | + SUPPORTED_100baseT_Half | + SUPPORTED_100baseT_Full | SUPPORTED_1000baseT_Full | SUPPORTED_TP | SUPPORTED_FIBRE | SUPPORTED_Autoneg | @@ -6611,7 +7445,7 @@ static void bnx2x_link_settings_supported(struct bnx2x *bp, u32 switch_cfg) SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | SUPPORTED_1000baseT_Full | - SUPPORTED_2500baseT_Full | + SUPPORTED_2500baseX_Full | SUPPORTED_10000baseT_Full | SUPPORTED_TP | SUPPORTED_FIBRE | SUPPORTED_Autoneg | @@ -6620,12 +7454,46 @@ static void bnx2x_link_settings_supported(struct bnx2x *bp, u32 switch_cfg) break; case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: + BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n", + ext_phy_type); + + bp->supported |= (SUPPORTED_10000baseT_Full | + SUPPORTED_FIBRE | + SUPPORTED_Pause | + SUPPORTED_Asym_Pause); + break; + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: - BNX2X_DEV_INFO("ext_phy_type 0x%x (8705/6)\n", + BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n", + ext_phy_type); + + bp->supported |= (SUPPORTED_10000baseT_Full | + SUPPORTED_1000baseT_Full | + SUPPORTED_Autoneg | + SUPPORTED_FIBRE | + SUPPORTED_Pause | + SUPPORTED_Asym_Pause); + break; + + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: + BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n", ext_phy_type); bp->supported |= (SUPPORTED_10000baseT_Full | + SUPPORTED_1000baseT_Full | SUPPORTED_FIBRE | + SUPPORTED_Autoneg | + SUPPORTED_Pause | + SUPPORTED_Asym_Pause); + break; + + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: + BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n", + ext_phy_type); + + bp->supported |= (SUPPORTED_10000baseT_Full | + SUPPORTED_TP | + SUPPORTED_Autoneg | SUPPORTED_Pause | SUPPORTED_Asym_Pause); break; @@ -6682,7 +7550,7 @@ static void bnx2x_link_settings_supported(struct bnx2x *bp, u32 switch_cfg) SUPPORTED_1000baseT_Full); if (!(bp->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)) - bp->supported &= ~SUPPORTED_2500baseT_Full; + bp->supported &= ~SUPPORTED_2500baseX_Full; if (!(bp->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) bp->supported &= ~SUPPORTED_10000baseT_Full; @@ -6702,13 +7570,8 @@ static void bnx2x_link_settings_requested(struct bnx2x *bp) bp->req_line_speed = 0; bp->advertising = bp->supported; } else { - u32 ext_phy_type; - - ext_phy_type = XGXS_EXT_PHY_TYPE(bp); - if ((ext_phy_type == - PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) || - (ext_phy_type == - PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) { + if (XGXS_EXT_PHY_TYPE(bp) == + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) { /* force 10G, no AN */ bp->req_line_speed = SPEED_10000; bp->advertising = @@ -6725,8 +7588,7 @@ static void bnx2x_link_settings_requested(struct bnx2x *bp) break; case PORT_FEATURE_LINK_SPEED_10M_FULL: - if (bp->speed_cap_mask & - PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) { + if (bp->supported & SUPPORTED_10baseT_Full) { bp->req_line_speed = SPEED_10; bp->advertising = (ADVERTISED_10baseT_Full | ADVERTISED_TP); @@ -6740,8 +7602,7 @@ static void bnx2x_link_settings_requested(struct bnx2x *bp) break; case PORT_FEATURE_LINK_SPEED_10M_HALF: - if (bp->speed_cap_mask & - PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) { + if (bp->supported & SUPPORTED_10baseT_Half) { bp->req_line_speed = SPEED_10; bp->req_duplex = DUPLEX_HALF; bp->advertising = (ADVERTISED_10baseT_Half | @@ -6756,8 +7617,7 @@ static void bnx2x_link_settings_requested(struct bnx2x *bp) break; case PORT_FEATURE_LINK_SPEED_100M_FULL: - if (bp->speed_cap_mask & - PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) { + if (bp->supported & SUPPORTED_100baseT_Full) { bp->req_line_speed = SPEED_100; bp->advertising = (ADVERTISED_100baseT_Full | ADVERTISED_TP); @@ -6771,8 +7631,7 @@ static void bnx2x_link_settings_requested(struct bnx2x *bp) break; case PORT_FEATURE_LINK_SPEED_100M_HALF: - if (bp->speed_cap_mask & - PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) { + if (bp->supported & SUPPORTED_100baseT_Half) { bp->req_line_speed = SPEED_100; bp->req_duplex = DUPLEX_HALF; bp->advertising = (ADVERTISED_100baseT_Half | @@ -6787,8 +7646,7 @@ static void bnx2x_link_settings_requested(struct bnx2x *bp) break; case PORT_FEATURE_LINK_SPEED_1G: - if (bp->speed_cap_mask & - PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) { + if (bp->supported & SUPPORTED_1000baseT_Full) { bp->req_line_speed = SPEED_1000; bp->advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_TP); @@ -6802,10 +7660,9 @@ static void bnx2x_link_settings_requested(struct bnx2x *bp) break; case PORT_FEATURE_LINK_SPEED_2_5G: - if (bp->speed_cap_mask & - PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) { + if (bp->supported & SUPPORTED_2500baseX_Full) { bp->req_line_speed = SPEED_2500; - bp->advertising = (ADVERTISED_2500baseT_Full | + bp->advertising = (ADVERTISED_2500baseX_Full | ADVERTISED_TP); } else { BNX2X_ERR("NVRAM config error. " @@ -6819,15 +7676,7 @@ static void bnx2x_link_settings_requested(struct bnx2x *bp) case PORT_FEATURE_LINK_SPEED_10G_CX4: case PORT_FEATURE_LINK_SPEED_10G_KX4: case PORT_FEATURE_LINK_SPEED_10G_KR: - if (!(bp->phy_flags & PHY_XGXS_FLAG)) { - BNX2X_ERR("NVRAM config error. " - "Invalid link_config 0x%x" - " phy_flags 0x%x\n", - bp->link_config, bp->phy_flags); - return; - } - if (bp->speed_cap_mask & - PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) { + if (bp->supported & SUPPORTED_10000baseT_Full) { bp->req_line_speed = SPEED_10000; bp->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE); @@ -6854,43 +7703,13 @@ static void bnx2x_link_settings_requested(struct bnx2x *bp) bp->req_flow_ctrl = (bp->link_config & PORT_FEATURE_FLOW_CONTROL_MASK); - /* Please refer to Table 28B-3 of the 802.3ab-1999 spec */ - switch (bp->req_flow_ctrl) { - case FLOW_CTRL_AUTO: + if ((bp->req_flow_ctrl == FLOW_CTRL_AUTO) && + (bp->supported & SUPPORTED_Autoneg)) bp->req_autoneg |= AUTONEG_FLOW_CTRL; - if (bp->dev->mtu <= 4500) { - bp->pause_mode = PAUSE_BOTH; - bp->advertising |= (ADVERTISED_Pause | - ADVERTISED_Asym_Pause); - } else { - bp->pause_mode = PAUSE_ASYMMETRIC; - bp->advertising |= ADVERTISED_Asym_Pause; - } - break; - - case FLOW_CTRL_TX: - bp->pause_mode = PAUSE_ASYMMETRIC; - bp->advertising |= ADVERTISED_Asym_Pause; - break; - - case FLOW_CTRL_RX: - case FLOW_CTRL_BOTH: - bp->pause_mode = PAUSE_BOTH; - bp->advertising |= (ADVERTISED_Pause | - ADVERTISED_Asym_Pause); - break; - case FLOW_CTRL_NONE: - default: - bp->pause_mode = PAUSE_NONE; - bp->advertising &= ~(ADVERTISED_Pause | - ADVERTISED_Asym_Pause); - break; - } - BNX2X_DEV_INFO("req_autoneg 0x%x req_flow_ctrl 0x%x\n" - KERN_INFO " pause_mode %d advertising 0x%x\n", - bp->req_autoneg, bp->req_flow_ctrl, - bp->pause_mode, bp->advertising); + BNX2X_DEV_INFO("req_autoneg 0x%x req_flow_ctrl 0x%x" + " advertising 0x%x\n", + bp->req_autoneg, bp->req_flow_ctrl, bp->advertising); } static void bnx2x_get_hwinfo(struct bnx2x *bp) @@ -6923,16 +7742,16 @@ static void bnx2x_get_hwinfo(struct bnx2x *bp) val = SHMEM_RD(bp, validity_map[port]); if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) - != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) - BNX2X_ERR("MCP validity signature bad\n"); + != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) + BNX2X_ERR("BAD MCP validity signature\n"); - bp->fw_seq = (SHMEM_RD(bp, drv_fw_mb[port].drv_mb_header) & + bp->fw_seq = (SHMEM_RD(bp, func_mb[port].drv_mb_header) & DRV_MSG_SEQ_NUMBER_MASK); bp->hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config); - + bp->board = SHMEM_RD(bp, dev_info.shared_hw_config.board); bp->serdes_config = - SHMEM_RD(bp, dev_info.port_hw_config[bp->port].serdes_config); + SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config); bp->lane_config = SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config); bp->ext_phy_config = @@ -6945,13 +7764,13 @@ static void bnx2x_get_hwinfo(struct bnx2x *bp) bp->link_config = SHMEM_RD(bp, dev_info.port_feature_config[port].link_config); - BNX2X_DEV_INFO("hw_config (%08x) serdes_config (%08x)\n" + BNX2X_DEV_INFO("hw_config (%08x) board (%08x) serdes_config (%08x)\n" KERN_INFO " lane_config (%08x) ext_phy_config (%08x)\n" KERN_INFO " speed_cap_mask (%08x) link_config (%08x)" " fw_seq (%08x)\n", - bp->hw_config, bp->serdes_config, bp->lane_config, - bp->ext_phy_config, bp->speed_cap_mask, - bp->link_config, bp->fw_seq); + bp->hw_config, bp->board, bp->serdes_config, + bp->lane_config, bp->ext_phy_config, + bp->speed_cap_mask, bp->link_config, bp->fw_seq); switch_cfg = (bp->link_config & PORT_FEATURE_CONNECTED_SWITCH_MASK); bnx2x_link_settings_supported(bp, switch_cfg); @@ -7005,14 +7824,8 @@ static void bnx2x_get_hwinfo(struct bnx2x *bp) return; set_mac: /* only supposed to happen on emulation/FPGA */ - BNX2X_ERR("warning constant MAC workaround active\n"); - bp->dev->dev_addr[0] = 0; - bp->dev->dev_addr[1] = 0x50; - bp->dev->dev_addr[2] = 0xc2; - bp->dev->dev_addr[3] = 0x2c; - bp->dev->dev_addr[4] = 0x71; - bp->dev->dev_addr[5] = port ? 0x0d : 0x0e; - + BNX2X_ERR("warning rendom MAC workaround active\n"); + random_ether_addr(bp->dev->dev_addr); memcpy(bp->dev->perm_addr, bp->dev->dev_addr, 6); } @@ -7039,19 +7852,34 @@ static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) } if (bp->phy_flags & PHY_XGXS_FLAG) { - cmd->port = PORT_FIBRE; - } else { + u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp); + + switch (ext_phy_type) { + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: + cmd->port = PORT_FIBRE; + break; + + case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: + cmd->port = PORT_TP; + break; + + default: + DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n", + bp->ext_phy_config); + } + } else cmd->port = PORT_TP; - } cmd->phy_address = bp->phy_addr; cmd->transceiver = XCVR_INTERNAL; - if (bp->req_autoneg & AUTONEG_SPEED) { + if (bp->req_autoneg & AUTONEG_SPEED) cmd->autoneg = AUTONEG_ENABLE; - } else { + else cmd->autoneg = AUTONEG_DISABLE; - } cmd->maxtxpkt = 0; cmd->maxrxpkt = 0; @@ -7082,8 +7910,10 @@ static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) switch (cmd->port) { case PORT_TP: - if (!(bp->supported & SUPPORTED_TP)) + if (!(bp->supported & SUPPORTED_TP)) { + DP(NETIF_MSG_LINK, "TP not supported\n"); return -EINVAL; + } if (bp->phy_flags & PHY_XGXS_FLAG) { bnx2x_link_reset(bp); @@ -7093,8 +7923,10 @@ static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) break; case PORT_FIBRE: - if (!(bp->supported & SUPPORTED_FIBRE)) + if (!(bp->supported & SUPPORTED_FIBRE)) { + DP(NETIF_MSG_LINK, "FIBRE not supported\n"); return -EINVAL; + } if (!(bp->phy_flags & PHY_XGXS_FLAG)) { bnx2x_link_reset(bp); @@ -7104,12 +7936,15 @@ static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) break; default: + DP(NETIF_MSG_LINK, "Unknown port type\n"); return -EINVAL; } if (cmd->autoneg == AUTONEG_ENABLE) { - if (!(bp->supported & SUPPORTED_Autoneg)) + if (!(bp->supported & SUPPORTED_Autoneg)) { + DP(NETIF_MSG_LINK, "Aotoneg not supported\n"); return -EINVAL; + } /* advertise the requested speed and duplex if supported */ cmd->advertising &= bp->supported; @@ -7124,14 +7959,22 @@ static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) switch (cmd->speed) { case SPEED_10: if (cmd->duplex == DUPLEX_FULL) { - if (!(bp->supported & SUPPORTED_10baseT_Full)) + if (!(bp->supported & + SUPPORTED_10baseT_Full)) { + DP(NETIF_MSG_LINK, + "10M full not supported\n"); return -EINVAL; + } advertising = (ADVERTISED_10baseT_Full | ADVERTISED_TP); } else { - if (!(bp->supported & SUPPORTED_10baseT_Half)) + if (!(bp->supported & + SUPPORTED_10baseT_Half)) { + DP(NETIF_MSG_LINK, + "10M half not supported\n"); return -EINVAL; + } advertising = (ADVERTISED_10baseT_Half | ADVERTISED_TP); @@ -7141,15 +7984,21 @@ static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) case SPEED_100: if (cmd->duplex == DUPLEX_FULL) { if (!(bp->supported & - SUPPORTED_100baseT_Full)) + SUPPORTED_100baseT_Full)) { + DP(NETIF_MSG_LINK, + "100M full not supported\n"); return -EINVAL; + } advertising = (ADVERTISED_100baseT_Full | ADVERTISED_TP); } else { if (!(bp->supported & - SUPPORTED_100baseT_Half)) + SUPPORTED_100baseT_Half)) { + DP(NETIF_MSG_LINK, + "100M half not supported\n"); return -EINVAL; + } advertising = (ADVERTISED_100baseT_Half | ADVERTISED_TP); @@ -7157,39 +8006,54 @@ static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) break; case SPEED_1000: - if (cmd->duplex != DUPLEX_FULL) + if (cmd->duplex != DUPLEX_FULL) { + DP(NETIF_MSG_LINK, "1G half not supported\n"); return -EINVAL; + } - if (!(bp->supported & SUPPORTED_1000baseT_Full)) + if (!(bp->supported & SUPPORTED_1000baseT_Full)) { + DP(NETIF_MSG_LINK, "1G full not supported\n"); return -EINVAL; + } advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_TP); break; case SPEED_2500: - if (cmd->duplex != DUPLEX_FULL) + if (cmd->duplex != DUPLEX_FULL) { + DP(NETIF_MSG_LINK, + "2.5G half not supported\n"); return -EINVAL; + } - if (!(bp->supported & SUPPORTED_2500baseT_Full)) + if (!(bp->supported & SUPPORTED_2500baseX_Full)) { + DP(NETIF_MSG_LINK, + "2.5G full not supported\n"); return -EINVAL; + } - advertising = (ADVERTISED_2500baseT_Full | + advertising = (ADVERTISED_2500baseX_Full | ADVERTISED_TP); break; case SPEED_10000: - if (cmd->duplex != DUPLEX_FULL) + if (cmd->duplex != DUPLEX_FULL) { + DP(NETIF_MSG_LINK, "10G half not supported\n"); return -EINVAL; + } - if (!(bp->supported & SUPPORTED_10000baseT_Full)) + if (!(bp->supported & SUPPORTED_10000baseT_Full)) { + DP(NETIF_MSG_LINK, "10G full not supported\n"); return -EINVAL; + } advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE); break; default: + DP(NETIF_MSG_LINK, "Unsupported speed\n"); return -EINVAL; } @@ -7389,8 +8253,7 @@ static void bnx2x_disable_nvram_access(struct bnx2x *bp) static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val, u32 cmd_flags) { - int rc; - int count, i; + int count, i, rc; u32 val; /* build the command word */ @@ -7510,8 +8373,7 @@ static int bnx2x_get_eeprom(struct net_device *dev, static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val, u32 cmd_flags) { - int rc; - int count, i; + int count, i, rc; /* build the command word */ cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR; @@ -7548,7 +8410,7 @@ static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val, return rc; } -#define BYTE_OFFSET(offset) (8 * (offset & 0x03)) +#define BYTE_OFFSET(offset) (8 * (offset & 0x03)) static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf, int buf_size) @@ -7779,52 +8641,29 @@ static int bnx2x_set_pauseparam(struct net_device *dev, DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n", epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause); - bp->req_flow_ctrl = FLOW_CTRL_AUTO; if (epause->autoneg) { - bp->req_autoneg |= AUTONEG_FLOW_CTRL; - if (bp->dev->mtu <= 4500) { - bp->pause_mode = PAUSE_BOTH; - bp->advertising |= (ADVERTISED_Pause | - ADVERTISED_Asym_Pause); - } else { - bp->pause_mode = PAUSE_ASYMMETRIC; - bp->advertising |= ADVERTISED_Asym_Pause; + if (!(bp->supported & SUPPORTED_Autoneg)) { + DP(NETIF_MSG_LINK, "Aotoneg not supported\n"); + return -EINVAL; } - } else { + bp->req_autoneg |= AUTONEG_FLOW_CTRL; + } else bp->req_autoneg &= ~AUTONEG_FLOW_CTRL; - if (epause->rx_pause) - bp->req_flow_ctrl |= FLOW_CTRL_RX; - if (epause->tx_pause) - bp->req_flow_ctrl |= FLOW_CTRL_TX; - - switch (bp->req_flow_ctrl) { - case FLOW_CTRL_AUTO: - bp->req_flow_ctrl = FLOW_CTRL_NONE; - bp->pause_mode = PAUSE_NONE; - bp->advertising &= ~(ADVERTISED_Pause | - ADVERTISED_Asym_Pause); - break; + bp->req_flow_ctrl = FLOW_CTRL_AUTO; - case FLOW_CTRL_TX: - bp->pause_mode = PAUSE_ASYMMETRIC; - bp->advertising |= ADVERTISED_Asym_Pause; - break; + if (epause->rx_pause) + bp->req_flow_ctrl |= FLOW_CTRL_RX; + if (epause->tx_pause) + bp->req_flow_ctrl |= FLOW_CTRL_TX; - case FLOW_CTRL_RX: - case FLOW_CTRL_BOTH: - bp->pause_mode = PAUSE_BOTH; - bp->advertising |= (ADVERTISED_Pause | - ADVERTISED_Asym_Pause); - break; - } - } + if (!(bp->req_autoneg & AUTONEG_FLOW_CTRL) && + (bp->req_flow_ctrl == FLOW_CTRL_AUTO)) + bp->req_flow_ctrl = FLOW_CTRL_NONE; - DP(NETIF_MSG_LINK, "req_autoneg 0x%x req_flow_ctrl 0x%x\n" - DP_LEVEL " pause_mode %d advertising 0x%x\n", - bp->req_autoneg, bp->req_flow_ctrl, bp->pause_mode, - bp->advertising); + DP(NETIF_MSG_LINK, "req_autoneg 0x%x req_flow_ctrl 0x%x\n", + bp->req_autoneg, bp->req_flow_ctrl); bnx2x_stop_stats(bp); bnx2x_link_initialize(bp); diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h index ea9100855c5..dc423e58dad 100644 --- a/drivers/net/bnx2x.h +++ b/drivers/net/bnx2x.h @@ -24,6 +24,8 @@ #define BNX2X_MSG_STATS 0x20000 /* was: NETIF_MSG_TIMER */ #define NETIF_MSG_NVM 0x40000 /* was: NETIF_MSG_HW */ #define NETIF_MSG_DMAE 0x80000 /* was: NETIF_MSG_HW */ +#define BNX2X_MSG_SP 0x100000 /* was: NETIF_MSG_INTR */ +#define BNX2X_MSG_FP 0x200000 /* was: NETIF_MSG_INTR */ #define DP_LEVEL KERN_NOTICE /* was: KERN_DEBUG */ @@ -40,6 +42,12 @@ __LINE__, bp->dev?(bp->dev->name):"?", ##__args); \ } while (0) +/* for logging (never masked) */ +#define BNX2X_LOG(__fmt, __args...) do { \ + printk(KERN_NOTICE "[%s:%d(%s)]" __fmt, __FUNCTION__, \ + __LINE__, bp->dev?(bp->dev->name):"?", ##__args); \ + } while (0) + /* before we have a dev->name use dev_info() */ #define BNX2X_DEV_INFO(__fmt, __args...) do { \ if (bp->msglevel & NETIF_MSG_PROBE) \ @@ -574,7 +582,8 @@ struct bnx2x { u32 fw_mb; u32 hw_config; - u32 serdes_config; + u32 board; + u32 serdes_config; u32 lane_config; u32 ext_phy_config; #define XGXS_EXT_PHY_TYPE(bp) (bp->ext_phy_config & \ @@ -595,11 +604,11 @@ struct bnx2x { u8 tx_lane_swap; u8 link_up; + u8 phy_link_up; u32 supported; /* link settings - missing defines */ #define SUPPORTED_2500baseT_Full (1 << 15) -#define SUPPORTED_CX4 (1 << 16) u32 phy_flags; /*#define PHY_SERDES_FLAG 0x1*/ @@ -644,16 +653,9 @@ struct bnx2x { #define FLOW_CTRL_BOTH PORT_FEATURE_FLOW_CONTROL_BOTH #define FLOW_CTRL_NONE PORT_FEATURE_FLOW_CONTROL_NONE - u32 pause_mode; -#define PAUSE_NONE 0 -#define PAUSE_SYMMETRIC 1 -#define PAUSE_ASYMMETRIC 2 -#define PAUSE_BOTH 3 - u32 advertising; /* link settings - missing defines */ #define ADVERTISED_2500baseT_Full (1 << 15) -#define ADVERTISED_CX4 (1 << 16) u32 link_status; u32 line_speed; @@ -667,6 +669,8 @@ struct bnx2x { #define NVRAM_TIMEOUT_COUNT 30000 #define NVRAM_PAGE_SIZE 256 + u8 wol; + int rx_ring_size; u16 tx_quick_cons_trip_int; @@ -718,9 +722,6 @@ struct bnx2x { #endif char *name; - u16 bus_speed_mhz; - u8 wol; - u8 pad; /* used to synchronize stats collecting */ int stats_state; @@ -873,6 +874,7 @@ struct bnx2x { #define PCICFG_LINK_SPEED 0xf0000 #define PCICFG_LINK_SPEED_SHIFT 16 +#define BMAC_CONTROL_RX_ENABLE 2 /* stuff added to make the code fit 80Col */ #define TPA_TYPE_START ETH_FAST_PATH_RX_CQE_START_FLG @@ -944,13 +946,13 @@ struct bnx2x { #define LINK_16GTFD LINK_STATUS_SPEED_AND_DUPLEX_16GTFD #define LINK_16GXFD LINK_STATUS_SPEED_AND_DUPLEX_16GXFD -#define NIG_STATUS_INTERRUPT_XGXS0_LINK10G \ +#define NIG_STATUS_XGXS0_LINK10G \ NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G -#define NIG_XGXS0_LINK_STATUS \ +#define NIG_STATUS_XGXS0_LINK_STATUS \ NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS -#define NIG_XGXS0_LINK_STATUS_SIZE \ +#define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \ NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE -#define NIG_SERDES0_LINK_STATUS \ +#define NIG_STATUS_SERDES0_LINK_STATUS \ NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS #define NIG_MASK_MI_INT \ NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT diff --git a/drivers/net/bnx2x_fw_defs.h b/drivers/net/bnx2x_fw_defs.h index 62a6eb81025..3b968904ca6 100644 --- a/drivers/net/bnx2x_fw_defs.h +++ b/drivers/net/bnx2x_fw_defs.h @@ -1,6 +1,6 @@ /* bnx2x_fw_defs.h: Broadcom Everest network driver. * - * Copyright (c) 2007 Broadcom Corporation + * Copyright (c) 2007-2008 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/drivers/net/bnx2x_hsi.h b/drivers/net/bnx2x_hsi.h index 6fd959c34d1..b21075ccb52 100644 --- a/drivers/net/bnx2x_hsi.h +++ b/drivers/net/bnx2x_hsi.h @@ -1,6 +1,6 @@ /* bnx2x_hsi.h: Broadcom Everest network driver. * - * Copyright (c) 2007 Broadcom Corporation + * Copyright (c) 2007-2008 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -8,169 +8,9 @@ */ -#define FUNC_0 0 -#define FUNC_1 1 -#define FUNC_MAX 2 - - -/* This value (in milliseconds) determines the frequency of the driver - * issuing the PULSE message code. The firmware monitors this periodic - * pulse to determine when to switch to an OS-absent mode. */ -#define DRV_PULSE_PERIOD_MS 250 - -/* This value (in milliseconds) determines how long the driver should - * wait for an acknowledgement from the firmware before timing out. Once - * the firmware has timed out, the driver will assume there is no firmware - * running and there won't be any firmware-driver synchronization during a - * driver reset. */ -#define FW_ACK_TIME_OUT_MS 5000 - -#define FW_ACK_POLL_TIME_MS 1 - -#define FW_ACK_NUM_OF_POLL (FW_ACK_TIME_OUT_MS/FW_ACK_POLL_TIME_MS) - -/* LED Blink rate that will achieve ~15.9Hz */ -#define LED_BLINK_RATE_VAL 480 - -/**************************************************************************** - * Driver <-> FW Mailbox * - ****************************************************************************/ -struct drv_fw_mb { - u32 drv_mb_header; -#define DRV_MSG_CODE_MASK 0xffff0000 -#define DRV_MSG_CODE_LOAD_REQ 0x10000000 -#define DRV_MSG_CODE_LOAD_DONE 0x11000000 -#define DRV_MSG_CODE_UNLOAD_REQ_WOL_EN 0x20000000 -#define DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS 0x20010000 -#define DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP 0x20020000 -#define DRV_MSG_CODE_UNLOAD_DONE 0x21000000 -#define DRV_MSG_CODE_DIAG_ENTER_REQ 0x50000000 -#define DRV_MSG_CODE_DIAG_EXIT_REQ 0x60000000 -#define DRV_MSG_CODE_VALIDATE_KEY 0x70000000 -#define DRV_MSG_CODE_GET_CURR_KEY 0x80000000 -#define DRV_MSG_CODE_GET_UPGRADE_KEY 0x81000000 -#define DRV_MSG_CODE_GET_MANUF_KEY 0x82000000 -#define DRV_MSG_CODE_LOAD_L2B_PRAM 0x90000000 - -#define DRV_MSG_SEQ_NUMBER_MASK 0x0000ffff - - u32 drv_mb_param; - - u32 fw_mb_header; -#define FW_MSG_CODE_MASK 0xffff0000 -#define FW_MSG_CODE_DRV_LOAD_COMMON 0x11000000 -#define FW_MSG_CODE_DRV_LOAD_PORT 0x12000000 -#define FW_MSG_CODE_DRV_LOAD_REFUSED 0x13000000 -#define FW_MSG_CODE_DRV_LOAD_DONE 0x14000000 -#define FW_MSG_CODE_DRV_UNLOAD_COMMON 0x21000000 -#define FW_MSG_CODE_DRV_UNLOAD_PORT 0x22000000 -#define FW_MSG_CODE_DRV_UNLOAD_DONE 0x23000000 -#define FW_MSG_CODE_DIAG_ENTER_DONE 0x50000000 -#define FW_MSG_CODE_DIAG_REFUSE 0x51000000 -#define FW_MSG_CODE_VALIDATE_KEY_SUCCESS 0x70000000 -#define FW_MSG_CODE_VALIDATE_KEY_FAILURE 0x71000000 -#define FW_MSG_CODE_GET_KEY_DONE 0x80000000 -#define FW_MSG_CODE_NO_KEY 0x8f000000 -#define FW_MSG_CODE_LIC_INFO_NOT_READY 0x8f800000 -#define FW_MSG_CODE_L2B_PRAM_LOADED 0x90000000 -#define FW_MSG_CODE_L2B_PRAM_T_LOAD_FAILURE 0x91000000 -#define FW_MSG_CODE_L2B_PRAM_C_LOAD_FAILURE 0x92000000 -#define FW_MSG_CODE_L2B_PRAM_X_LOAD_FAILURE 0x93000000 -#define FW_MSG_CODE_L2B_PRAM_U_LOAD_FAILURE 0x94000000 - -#define FW_MSG_SEQ_NUMBER_MASK 0x0000ffff - - u32 fw_mb_param; - - u32 link_status; - /* Driver should update this field on any link change event */ - -#define LINK_STATUS_LINK_FLAG_MASK 0x00000001 -#define LINK_STATUS_LINK_UP 0x00000001 -#define LINK_STATUS_SPEED_AND_DUPLEX_MASK 0x0000001E -#define LINK_STATUS_SPEED_AND_DUPLEX_AN_NOT_COMPLETE (0<<1) -#define LINK_STATUS_SPEED_AND_DUPLEX_10THD (1<<1) -#define LINK_STATUS_SPEED_AND_DUPLEX_10TFD (2<<1) -#define LINK_STATUS_SPEED_AND_DUPLEX_100TXHD (3<<1) -#define LINK_STATUS_SPEED_AND_DUPLEX_100T4 (4<<1) -#define LINK_STATUS_SPEED_AND_DUPLEX_100TXFD (5<<1) -#define LINK_STATUS_SPEED_AND_DUPLEX_1000THD (6<<1) -#define LINK_STATUS_SPEED_AND_DUPLEX_1000TFD (7<<1) -#define LINK_STATUS_SPEED_AND_DUPLEX_1000XFD (7<<1) -#define LINK_STATUS_SPEED_AND_DUPLEX_2500THD (8<<1) -#define LINK_STATUS_SPEED_AND_DUPLEX_2500TFD (9<<1) -#define LINK_STATUS_SPEED_AND_DUPLEX_2500XFD (9<<1) -#define LINK_STATUS_SPEED_AND_DUPLEX_10GTFD (10<<1) -#define LINK_STATUS_SPEED_AND_DUPLEX_10GXFD (10<<1) -#define LINK_STATUS_SPEED_AND_DUPLEX_12GTFD (11<<1) -#define LINK_STATUS_SPEED_AND_DUPLEX_12GXFD (11<<1) -#define LINK_STATUS_SPEED_AND_DUPLEX_12_5GTFD (12<<1) -#define LINK_STATUS_SPEED_AND_DUPLEX_12_5GXFD (12<<1) -#define LINK_STATUS_SPEED_AND_DUPLEX_13GTFD (13<<1) -#define LINK_STATUS_SPEED_AND_DUPLEX_13GXFD (13<<1) -#define LINK_STATUS_SPEED_AND_DUPLEX_15GTFD (14<<1) -#define LINK_STATUS_SPEED_AND_DUPLEX_15GXFD (14<<1) -#define LINK_STATUS_SPEED_AND_DUPLEX_16GTFD (15<<1) -#define LINK_STATUS_SPEED_AND_DUPLEX_16GXFD (15<<1) - -#define LINK_STATUS_AUTO_NEGOTIATE_FLAG_MASK 0x00000020 -#define LINK_STATUS_AUTO_NEGOTIATE_ENABLED 0x00000020 - -#define LINK_STATUS_AUTO_NEGOTIATE_COMPLETE 0x00000040 -#define LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK 0x00000080 -#define LINK_STATUS_PARALLEL_DETECTION_USED 0x00000080 - -#define LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE 0x00000200 -#define LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE 0x00000400 -#define LINK_STATUS_LINK_PARTNER_100T4_CAPABLE 0x00000800 -#define LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE 0x00001000 -#define LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE 0x00002000 -#define LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE 0x00004000 -#define LINK_STATUS_LINK_PARTNER_10THD_CAPABLE 0x00008000 - -#define LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK 0x00010000 -#define LINK_STATUS_TX_FLOW_CONTROL_ENABLED 0x00010000 - -#define LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK 0x00020000 -#define LINK_STATUS_RX_FLOW_CONTROL_ENABLED 0x00020000 - -#define LINK_STATUS_LINK_PARTNER_FLOW_CONTROL_MASK 0x000C0000 -#define LINK_STATUS_LINK_PARTNER_NOT_PAUSE_CAPABLE (0<<18) -#define LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE (1<<18) -#define LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE (2<<18) -#define LINK_STATUS_LINK_PARTNER_BOTH_PAUSE (3<<18) - -#define LINK_STATUS_SERDES_LINK 0x00100000 - -#define LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE 0x00200000 -#define LINK_STATUS_LINK_PARTNER_2500XHD_CAPABLE 0x00400000 -#define LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE 0x00800000 -#define LINK_STATUS_LINK_PARTNER_12GXFD_CAPABLE 0x01000000 -#define LINK_STATUS_LINK_PARTNER_12_5GXFD_CAPABLE 0x02000000 -#define LINK_STATUS_LINK_PARTNER_13GXFD_CAPABLE 0x04000000 -#define LINK_STATUS_LINK_PARTNER_15GXFD_CAPABLE 0x08000000 -#define LINK_STATUS_LINK_PARTNER_16GXFD_CAPABLE 0x10000000 - - u32 drv_pulse_mb; -#define DRV_PULSE_SEQ_MASK 0x00007fff -#define DRV_PULSE_SYSTEM_TIME_MASK 0xffff0000 - /* The system time is in the format of - * (year-2001)*12*32 + month*32 + day. */ -#define DRV_PULSE_ALWAYS_ALIVE 0x00008000 - /* Indicate to the firmware not to go into the - * OS-absent when it is not getting driver pulse. - * This is used for debugging as well for PXE(MBA). */ - - u32 mcp_pulse_mb; -#define MCP_PULSE_SEQ_MASK 0x00007fff -#define MCP_PULSE_ALWAYS_ALIVE 0x00008000 - /* Indicates to the driver not to assert due to lack - * of MCP response */ -#define MCP_EVENT_MASK 0xffff0000 -#define MCP_EVENT_OTHER_DRIVER_RESET_REQ 0x00010000 - -}; - +#define PORT_0 0 +#define PORT_1 1 +#define PORT_MAX 2 /**************************************************************************** * Shared HW configuration * @@ -249,7 +89,7 @@ struct shared_hw_cfg { /* NVRAM Offset */ #define SHARED_HW_CFG_SMBUS_TIMING_100KHZ 0x00000000 #define SHARED_HW_CFG_SMBUS_TIMING_400KHZ 0x00001000 -#define SHARED_HW_CFG_HIDE_FUNC1 0x00002000 +#define SHARED_HW_CFG_HIDE_PORT1 0x00002000 u32 power_dissipated; /* 0x11c */ #define SHARED_HW_CFG_POWER_DIS_CMN_MASK 0xff000000 @@ -290,6 +130,8 @@ struct shared_hw_cfg { /* NVRAM Offset */ #define SHARED_HW_CFG_BOARD_TYPE_BCM957710T1015G 0x00000006 #define SHARED_HW_CFG_BOARD_TYPE_BCM957710A1020G 0x00000007 #define SHARED_HW_CFG_BOARD_TYPE_BCM957710T1003G 0x00000008 +#define SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G 0x00000009 +#define SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G 0x0000000a #define SHARED_HW_CFG_BOARD_VER_MASK 0xffff0000 #define SHARED_HW_CFG_BOARD_VER_SHIFT 16 @@ -304,13 +146,12 @@ struct shared_hw_cfg { /* NVRAM Offset */ }; + /**************************************************************************** * Port HW configuration * ****************************************************************************/ -struct port_hw_cfg { /* function 0: 0x12c-0x2bb, function 1: 0x2bc-0x44b */ +struct port_hw_cfg { /* port 0: 0x12c port 1: 0x2bc */ - /* Fields below are port specific (in anticipation of dual port - devices */ u32 pci_id; #define PORT_HW_CFG_PCI_VENDOR_ID_MASK 0xffff0000 #define PORT_HW_CFG_PCI_DEVICE_ID_MASK 0x0000ffff @@ -420,6 +261,8 @@ struct port_hw_cfg { /* function 0: 0x12c-0x2bb, function 1: 0x2bc-0x44b */ #define PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706 0x00000500 #define PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8276 0x00000600 #define PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481 0x00000700 +#define PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101 0x00000800 +#define PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE 0x0000fd00 #define PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN 0x0000ff00 #define PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK 0x000000ff @@ -462,11 +305,13 @@ struct port_hw_cfg { /* function 0: 0x12c-0x2bb, function 1: 0x2bc-0x44b */ }; + /**************************************************************************** * Shared Feature configuration * ****************************************************************************/ struct shared_feat_cfg { /* NVRAM Offset */ - u32 bmc_common; /* 0x450 */ + + u32 config; /* 0x450 */ #define SHARED_FEATURE_BMC_ECHO_MODE_EN 0x00000001 }; @@ -475,7 +320,8 @@ struct shared_feat_cfg { /* NVRAM Offset */ /**************************************************************************** * Port Feature configuration * ****************************************************************************/ -struct port_feat_cfg { /* function 0: 0x454-0x4c7, function 1: 0x4c8-0x53b */ +struct port_feat_cfg { /* port 0: 0x454 port 1: 0x4c8 */ + u32 config; #define PORT_FEATURE_BAR1_SIZE_MASK 0x0000000f #define PORT_FEATURE_BAR1_SIZE_SHIFT 0 @@ -609,8 +455,7 @@ struct port_feat_cfg { /* function 0: 0x454-0x4c7, function 1: 0x4c8-0x53b */ #define PORT_FEATURE_SMBUS_ADDR_MASK 0x000000fe #define PORT_FEATURE_SMBUS_ADDR_SHIFT 1 - u32 iscsib_boot_cfg; -#define PORT_FEATURE_ISCSIB_SKIP_TARGET_BOOT 0x00000001 + u32 reserved1; u32 link_config; /* Used as HW defaults for the driver */ #define PORT_FEATURE_CONNECTED_SWITCH_MASK 0x03000000 @@ -657,20 +502,201 @@ struct port_feat_cfg { /* function 0: 0x454-0x4c7, function 1: 0x4c8-0x53b */ }; +/***************************************************************************** + * Device Information * + *****************************************************************************/ +struct dev_info { /* size */ + + u32 bc_rev; /* 8 bits each: major, minor, build */ /* 4 */ + + struct shared_hw_cfg shared_hw_config; /* 40 */ + + struct port_hw_cfg port_hw_config[PORT_MAX]; /* 400*2=800 */ + + struct shared_feat_cfg shared_feature_config; /* 4 */ + + struct port_feat_cfg port_feature_config[PORT_MAX]; /* 116*2=232 */ + +}; + + +#define FUNC_0 0 +#define FUNC_1 1 +#define E1_FUNC_MAX 2 +#define FUNC_MAX E1_FUNC_MAX + + +/* This value (in milliseconds) determines the frequency of the driver + * issuing the PULSE message code. The firmware monitors this periodic + * pulse to determine when to switch to an OS-absent mode. */ +#define DRV_PULSE_PERIOD_MS 250 + +/* This value (in milliseconds) determines how long the driver should + * wait for an acknowledgement from the firmware before timing out. Once + * the firmware has timed out, the driver will assume there is no firmware + * running and there won't be any firmware-driver synchronization during a + * driver reset. */ +#define FW_ACK_TIME_OUT_MS 5000 + +#define FW_ACK_POLL_TIME_MS 1 + +#define FW_ACK_NUM_OF_POLL (FW_ACK_TIME_OUT_MS/FW_ACK_POLL_TIME_MS) + +/* LED Blink rate that will achieve ~15.9Hz */ +#define LED_BLINK_RATE_VAL 480 + /**************************************************************************** - * Device Information * + * Driver <-> FW Mailbox * ****************************************************************************/ -struct dev_info { /* size */ +struct drv_port_mb { + + u32 link_status; + /* Driver should update this field on any link change event */ + +#define LINK_STATUS_LINK_FLAG_MASK 0x00000001 +#define LINK_STATUS_LINK_UP 0x00000001 +#define LINK_STATUS_SPEED_AND_DUPLEX_MASK 0x0000001E +#define LINK_STATUS_SPEED_AND_DUPLEX_AN_NOT_COMPLETE (0<<1) +#define LINK_STATUS_SPEED_AND_DUPLEX_10THD (1<<1) +#define LINK_STATUS_SPEED_AND_DUPLEX_10TFD (2<<1) +#define LINK_STATUS_SPEED_AND_DUPLEX_100TXHD (3<<1) +#define LINK_STATUS_SPEED_AND_DUPLEX_100T4 (4<<1) +#define LINK_STATUS_SPEED_AND_DUPLEX_100TXFD (5<<1) +#define LINK_STATUS_SPEED_AND_DUPLEX_1000THD (6<<1) +#define LINK_STATUS_SPEED_AND_DUPLEX_1000TFD (7<<1) +#define LINK_STATUS_SPEED_AND_DUPLEX_1000XFD (7<<1) +#define LINK_STATUS_SPEED_AND_DUPLEX_2500THD (8<<1) +#define LINK_STATUS_SPEED_AND_DUPLEX_2500TFD (9<<1) +#define LINK_STATUS_SPEED_AND_DUPLEX_2500XFD (9<<1) +#define LINK_STATUS_SPEED_AND_DUPLEX_10GTFD (10<<1) +#define LINK_STATUS_SPEED_AND_DUPLEX_10GXFD (10<<1) +#define LINK_STATUS_SPEED_AND_DUPLEX_12GTFD (11<<1) +#define LINK_STATUS_SPEED_AND_DUPLEX_12GXFD (11<<1) +#define LINK_STATUS_SPEED_AND_DUPLEX_12_5GTFD (12<<1) +#define LINK_STATUS_SPEED_AND_DUPLEX_12_5GXFD (12<<1) +#define LINK_STATUS_SPEED_AND_DUPLEX_13GTFD (13<<1) +#define LINK_STATUS_SPEED_AND_DUPLEX_13GXFD (13<<1) +#define LINK_STATUS_SPEED_AND_DUPLEX_15GTFD (14<<1) +#define LINK_STATUS_SPEED_AND_DUPLEX_15GXFD (14<<1) +#define LINK_STATUS_SPEED_AND_DUPLEX_16GTFD (15<<1) +#define LINK_STATUS_SPEED_AND_DUPLEX_16GXFD (15<<1) + +#define LINK_STATUS_AUTO_NEGOTIATE_FLAG_MASK 0x00000020 +#define LINK_STATUS_AUTO_NEGOTIATE_ENABLED 0x00000020 + +#define LINK_STATUS_AUTO_NEGOTIATE_COMPLETE 0x00000040 +#define LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK 0x00000080 +#define LINK_STATUS_PARALLEL_DETECTION_USED 0x00000080 + +#define LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE 0x00000200 +#define LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE 0x00000400 +#define LINK_STATUS_LINK_PARTNER_100T4_CAPABLE 0x00000800 +#define LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE 0x00001000 +#define LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE 0x00002000 +#define LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE 0x00004000 +#define LINK_STATUS_LINK_PARTNER_10THD_CAPABLE 0x00008000 + +#define LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK 0x00010000 +#define LINK_STATUS_TX_FLOW_CONTROL_ENABLED 0x00010000 + +#define LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK 0x00020000 +#define LINK_STATUS_RX_FLOW_CONTROL_ENABLED 0x00020000 + +#define LINK_STATUS_LINK_PARTNER_FLOW_CONTROL_MASK 0x000C0000 +#define LINK_STATUS_LINK_PARTNER_NOT_PAUSE_CAPABLE (0<<18) +#define LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE (1<<18) +#define LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE (2<<18) +#define LINK_STATUS_LINK_PARTNER_BOTH_PAUSE (3<<18) + +#define LINK_STATUS_SERDES_LINK 0x00100000 + +#define LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE 0x00200000 +#define LINK_STATUS_LINK_PARTNER_2500XHD_CAPABLE 0x00400000 +#define LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE 0x00800000 +#define LINK_STATUS_LINK_PARTNER_12GXFD_CAPABLE 0x01000000 +#define LINK_STATUS_LINK_PARTNER_12_5GXFD_CAPABLE 0x02000000 +#define LINK_STATUS_LINK_PARTNER_13GXFD_CAPABLE 0x04000000 +#define LINK_STATUS_LINK_PARTNER_15GXFD_CAPABLE 0x08000000 +#define LINK_STATUS_LINK_PARTNER_16GXFD_CAPABLE 0x10000000 - u32 bc_rev; /* 8 bits each: major, minor, build */ /* 4 */ + u32 reserved[3]; - struct shared_hw_cfg shared_hw_config; /* 40 */ +}; + + +struct drv_func_mb { + + u32 drv_mb_header; +#define DRV_MSG_CODE_MASK 0xffff0000 +#define DRV_MSG_CODE_LOAD_REQ 0x10000000 +#define DRV_MSG_CODE_LOAD_DONE 0x11000000 +#define DRV_MSG_CODE_UNLOAD_REQ_WOL_EN 0x20000000 +#define DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS 0x20010000 +#define DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP 0x20020000 +#define DRV_MSG_CODE_UNLOAD_DONE 0x21000000 +#define DRV_MSG_CODE_DIAG_ENTER_REQ 0x50000000 +#define DRV_MSG_CODE_DIAG_EXIT_REQ 0x60000000 +#define DRV_MSG_CODE_VALIDATE_KEY 0x70000000 +#define DRV_MSG_CODE_GET_CURR_KEY 0x80000000 +#define DRV_MSG_CODE_GET_UPGRADE_KEY 0x81000000 +#define DRV_MSG_CODE_GET_MANUF_KEY 0x82000000 +#define DRV_MSG_CODE_LOAD_L2B_PRAM 0x90000000 + +#define DRV_MSG_SEQ_NUMBER_MASK 0x0000ffff + + u32 drv_mb_param; + + u32 fw_mb_header; +#define FW_MSG_CODE_MASK 0xffff0000 +#define FW_MSG_CODE_DRV_LOAD_COMMON 0x10100000 +#define FW_MSG_CODE_DRV_LOAD_PORT 0x10110000 +#define FW_MSG_CODE_DRV_LOAD_FUNCTION 0x10120000 +#define FW_MSG_CODE_DRV_LOAD_REFUSED 0x10200000 +#define FW_MSG_CODE_DRV_LOAD_DONE 0x11100000 +#define FW_MSG_CODE_DRV_UNLOAD_COMMON 0x20100000 +#define FW_MSG_CODE_DRV_UNLOAD_PORT 0x20110000 +#define FW_MSG_CODE_DRV_UNLOAD_FUNCTION 0x20120000 +#define FW_MSG_CODE_DRV_UNLOAD_DONE 0x21100000 +#define FW_MSG_CODE_DIAG_ENTER_DONE 0x50100000 +#define FW_MSG_CODE_DIAG_REFUSE 0x50200000 +#define FW_MSG_CODE_DIAG_EXIT_DONE 0x60100000 +#define FW_MSG_CODE_VALIDATE_KEY_SUCCESS 0x70100000 +#define FW_MSG_CODE_VALIDATE_KEY_FAILURE 0x70200000 +#define FW_MSG_CODE_GET_KEY_DONE 0x80100000 +#define FW_MSG_CODE_NO_KEY 0x80f00000 +#define FW_MSG_CODE_LIC_INFO_NOT_READY 0x80f80000 +#define FW_MSG_CODE_L2B_PRAM_LOADED 0x90100000 +#define FW_MSG_CODE_L2B_PRAM_T_LOAD_FAILURE 0x90210000 +#define FW_MSG_CODE_L2B_PRAM_C_LOAD_FAILURE 0x90220000 +#define FW_MSG_CODE_L2B_PRAM_X_LOAD_FAILURE 0x90230000 +#define FW_MSG_CODE_L2B_PRAM_U_LOAD_FAILURE 0x90240000 + +#define FW_MSG_SEQ_NUMBER_MASK 0x0000ffff + + u32 fw_mb_param; + + u32 drv_pulse_mb; +#define DRV_PULSE_SEQ_MASK 0x00007fff +#define DRV_PULSE_SYSTEM_TIME_MASK 0xffff0000 + /* The system time is in the format of + * (year-2001)*12*32 + month*32 + day. */ +#define DRV_PULSE_ALWAYS_ALIVE 0x00008000 + /* Indicate to the firmware not to go into the + * OS-absent when it is not getting driver pulse. + * This is used for debugging as well for PXE(MBA). */ - struct port_hw_cfg port_hw_config[FUNC_MAX]; /* 400*2=800 */ + u32 mcp_pulse_mb; +#define MCP_PULSE_SEQ_MASK 0x00007fff +#define MCP_PULSE_ALWAYS_ALIVE 0x00008000 + /* Indicates to the driver not to assert due to lack + * of MCP response */ +#define MCP_EVENT_MASK 0xffff0000 +#define MCP_EVENT_OTHER_DRIVER_RESET_REQ 0x00010000 - struct shared_feat_cfg shared_feature_config; /* 4 */ + u32 iscsi_boot_signature; + u32 iscsi_boot_block_offset; - struct port_feat_cfg port_feature_config[FUNC_MAX];/* 116*2=232 */ + u32 reserved[3]; }; @@ -678,9 +704,8 @@ struct dev_info { /* size */ /**************************************************************************** * Management firmware state * ****************************************************************************/ -/* Allocate 320 bytes for management firmware: still not known exactly - * how much IMD needs. */ -#define MGMTFW_STATE_WORD_SIZE 80 +/* Allocate 440 bytes for management firmware */ +#define MGMTFW_STATE_WORD_SIZE 110 struct mgmtfw_state { u32 opaque[MGMTFW_STATE_WORD_SIZE]; @@ -691,31 +716,40 @@ struct mgmtfw_state { * Shared Memory Region * ****************************************************************************/ struct shmem_region { /* SharedMem Offset (size) */ - u32 validity_map[FUNC_MAX]; /* 0x0 (4 * 2 = 0x8) */ -#define SHR_MEM_VALIDITY_PCI_CFG 0x00000001 -#define SHR_MEM_VALIDITY_MB 0x00000002 -#define SHR_MEM_VALIDITY_DEV_INFO 0x00000004 + + u32 validity_map[PORT_MAX]; /* 0x0 (4*2 = 0x8) */ +#define SHR_MEM_FORMAT_REV_ID ('A'<<24) +#define SHR_MEM_FORMAT_REV_MASK 0xff000000 + /* validity bits */ +#define SHR_MEM_VALIDITY_PCI_CFG 0x00100000 +#define SHR_MEM_VALIDITY_MB 0x00200000 +#define SHR_MEM_VALIDITY_DEV_INFO 0x00400000 +#define SHR_MEM_VALIDITY_RESERVED 0x00000007 /* One licensing bit should be set */ #define SHR_MEM_VALIDITY_LIC_KEY_IN_EFFECT_MASK 0x00000038 #define SHR_MEM_VALIDITY_LIC_MANUF_KEY_IN_EFFECT 0x00000008 #define SHR_MEM_VALIDITY_LIC_UPGRADE_KEY_IN_EFFECT 0x00000010 #define SHR_MEM_VALIDITY_LIC_NO_KEY_IN_EFFECT 0x00000020 + /* Active MFW */ +#define SHR_MEM_VALIDITY_ACTIVE_MFW_UNKNOWN 0x00000000 +#define SHR_MEM_VALIDITY_ACTIVE_MFW_IPMI 0x00000040 +#define SHR_MEM_VALIDITY_ACTIVE_MFW_UMP 0x00000080 +#define SHR_MEM_VALIDITY_ACTIVE_MFW_NCSI 0x000000c0 +#define SHR_MEM_VALIDITY_ACTIVE_MFW_NONE 0x000001c0 +#define SHR_MEM_VALIDITY_ACTIVE_MFW_MASK 0x000001c0 - struct drv_fw_mb drv_fw_mb[FUNC_MAX]; /* 0x8 (28 * 2 = 0x38) */ - - struct dev_info dev_info; /* 0x40 (0x438) */ + struct dev_info dev_info; /* 0x8 (0x438) */ -#ifdef _LICENSE_H - license_key_t drv_lic_key[FUNC_MAX]; /* 0x478 (52 * 2 = 0x68) */ -#else /* Linux! */ - u8 reserved[52*FUNC_MAX]; -#endif + u8 reserved[52*PORT_MAX]; /* FW information (for internal FW use) */ - u32 fw_info_fio_offset; /* 0x4e0 (0x4) */ - struct mgmtfw_state mgmtfw_state; /* 0x4e4 (0x140) */ + u32 fw_info_fio_offset; /* 0x4a8 (0x4) */ + struct mgmtfw_state mgmtfw_state; /* 0x4ac (0x1b8) */ + + struct drv_port_mb port_mb[PORT_MAX]; /* 0x664 (16*2=0x20) */ + struct drv_func_mb func_mb[FUNC_MAX]; /* 0x684 (44*2=0x58) */ -}; /* 0x624 */ +}; /* 0x6dc */ #define BCM_5710_FW_MAJOR_VERSION 4 diff --git a/drivers/net/bnx2x_reg.h b/drivers/net/bnx2x_reg.h index 86055297ab0..5a1aa0b5504 100644 --- a/drivers/net/bnx2x_reg.h +++ b/drivers/net/bnx2x_reg.h @@ -1,6 +1,6 @@ /* bnx2x_reg.h: Broadcom Everest network driver. * - * Copyright (c) 2007 Broadcom Corporation + * Copyright (c) 2007-2008 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -24,6 +24,8 @@ #define BRB1_REG_BRB1_INT_STS 0x6011c /* [RW 4] Parity mask register #0 read/write */ #define BRB1_REG_BRB1_PRTY_MASK 0x60138 +/* [R 4] Parity register #0 read */ +#define BRB1_REG_BRB1_PRTY_STS 0x6012c /* [RW 10] At address BRB1_IND_FREE_LIST_PRS_CRDT initialize free head. At address BRB1_IND_FREE_LIST_PRS_CRDT+1 initialize free tail. At address BRB1_IND_FREE_LIST_PRS_CRDT+2 initialize parser initial credit. */ @@ -281,6 +283,8 @@ #define CDU_REG_CDU_INT_STS 0x101030 /* [RW 5] Parity mask register #0 read/write */ #define CDU_REG_CDU_PRTY_MASK 0x10104c +/* [R 5] Parity register #0 read */ +#define CDU_REG_CDU_PRTY_STS 0x101040 /* [RC 32] logging of error data in case of a CDU load error: {expected_cid[15:0]; xpected_type[2:0]; xpected_region[2:0]; ctive_error; ype_error; ctual_active; ctual_compressed_context}; */ @@ -308,6 +312,8 @@ #define CFC_REG_CFC_INT_STS_CLR 0x104100 /* [RW 4] Parity mask register #0 read/write */ #define CFC_REG_CFC_PRTY_MASK 0x104118 +/* [R 4] Parity register #0 read */ +#define CFC_REG_CFC_PRTY_STS 0x10410c /* [RW 21] CID cam access (21:1 - Data; alid - 0) */ #define CFC_REG_CID_CAM 0x104800 #define CFC_REG_CONTROL0 0x104028 @@ -354,6 +360,8 @@ #define CSDM_REG_CSDM_INT_MASK_1 0xc22ac /* [RW 11] Parity mask register #0 read/write */ #define CSDM_REG_CSDM_PRTY_MASK 0xc22bc +/* [R 11] Parity register #0 read */ +#define CSDM_REG_CSDM_PRTY_STS 0xc22b0 #define CSDM_REG_ENABLE_IN1 0xc2238 #define CSDM_REG_ENABLE_IN2 0xc223c #define CSDM_REG_ENABLE_OUT1 0xc2240 @@ -438,6 +446,9 @@ /* [RW 32] Parity mask register #0 read/write */ #define CSEM_REG_CSEM_PRTY_MASK_0 0x200130 #define CSEM_REG_CSEM_PRTY_MASK_1 0x200140 +/* [R 32] Parity register #0 read */ +#define CSEM_REG_CSEM_PRTY_STS_0 0x200124 +#define CSEM_REG_CSEM_PRTY_STS_1 0x200134 #define CSEM_REG_ENABLE_IN 0x2000a4 #define CSEM_REG_ENABLE_OUT 0x2000a8 /* [RW 32] This address space contains all registers and memories that are @@ -526,6 +537,8 @@ #define CSEM_REG_TS_9_AS 0x20005c /* [RW 1] Parity mask register #0 read/write */ #define DBG_REG_DBG_PRTY_MASK 0xc0a8 +/* [R 1] Parity register #0 read */ +#define DBG_REG_DBG_PRTY_STS 0xc09c /* [RW 2] debug only: These bits indicate the credit for PCI request type 4 interface; MUST be configured AFTER pci_ext_buffer_strt_addr_lsb/msb are configured */ @@ -543,6 +556,8 @@ #define DMAE_REG_DMAE_INT_MASK 0x102054 /* [RW 4] Parity mask register #0 read/write */ #define DMAE_REG_DMAE_PRTY_MASK 0x102064 +/* [R 4] Parity register #0 read */ +#define DMAE_REG_DMAE_PRTY_STS 0x102058 /* [RW 1] Command 0 go. */ #define DMAE_REG_GO_C0 0x102080 /* [RW 1] Command 1 go. */ @@ -623,6 +638,8 @@ #define DORQ_REG_DORQ_INT_STS_CLR 0x170178 /* [RW 2] Parity mask register #0 read/write */ #define DORQ_REG_DORQ_PRTY_MASK 0x170190 +/* [R 2] Parity register #0 read */ +#define DORQ_REG_DORQ_PRTY_STS 0x170184 /* [RW 8] The address to write the DPM CID to STORM. */ #define DORQ_REG_DPM_CID_ADDR 0x170044 /* [RW 5] The DPM mode CID extraction offset. */ @@ -692,6 +709,8 @@ #define HC_REG_CONFIG_1 0x108004 /* [RW 3] Parity mask register #0 read/write */ #define HC_REG_HC_PRTY_MASK 0x1080a0 +/* [R 3] Parity register #0 read */ +#define HC_REG_HC_PRTY_STS 0x108094 /* [RW 17] status block interrupt mask; one in each bit means unmask; zerow in each bit means mask; bit 0 - default SB; bit 1 - SB_0; bit 2 - SB_1... bit 16- SB_15; addr 0 - port 0; addr 1 - port 1 */ @@ -1127,6 +1146,7 @@ #define MISC_REG_AEU_GENERAL_ATTN_17 0xa044 #define MISC_REG_AEU_GENERAL_ATTN_18 0xa048 #define MISC_REG_AEU_GENERAL_ATTN_19 0xa04c +#define MISC_REG_AEU_GENERAL_ATTN_10 0xa028 #define MISC_REG_AEU_GENERAL_ATTN_11 0xa02c #define MISC_REG_AEU_GENERAL_ATTN_2 0xa008 #define MISC_REG_AEU_GENERAL_ATTN_20 0xa050 @@ -1135,6 +1155,9 @@ #define MISC_REG_AEU_GENERAL_ATTN_4 0xa010 #define MISC_REG_AEU_GENERAL_ATTN_5 0xa014 #define MISC_REG_AEU_GENERAL_ATTN_6 0xa018 +#define MISC_REG_AEU_GENERAL_ATTN_7 0xa01c +#define MISC_REG_AEU_GENERAL_ATTN_8 0xa020 +#define MISC_REG_AEU_GENERAL_ATTN_9 0xa024 /* [RW 32] first 32b for inverting the input for function 0; for each bit: 0= do not invert; 1= invert; mapped as follows: [0] NIG attention for function0; [1] NIG attention for function1; [2] GPIO1 mcp; [3] GPIO2 mcp; @@ -1183,6 +1206,40 @@ starts at 0x0 for the A0 tape-out and increments by one for each all-layer tape-out. */ #define MISC_REG_CHIP_REV 0xa40c +/* [RW 32] The following driver registers(1..6) represent 6 drivers and 32 + clients. Each client can be controlled by one driver only. One in each + bit represent that this driver control the appropriate client (Ex: bit 5 + is set means this driver control client number 5). addr1 = set; addr0 = + clear; read from both addresses will give the same result = status. write + to address 1 will set a request to control all the clients that their + appropriate bit (in the write command) is set. if the client is free (the + appropriate bit in all the other drivers is clear) one will be written to + that driver register; if the client isn't free the bit will remain zero. + if the appropriate bit is set (the driver request to gain control on a + client it already controls the ~MISC_REGISTERS_INT_STS.GENERIC_SW + interrupt will be asserted). write to address 0 will set a request to + free all the clients that their appropriate bit (in the write command) is + set. if the appropriate bit is clear (the driver request to free a client + it doesn't controls the ~MISC_REGISTERS_INT_STS.GENERIC_SW interrupt will + be asserted). */ +#define MISC_REG_DRIVER_CONTROL_1 0xa510 +/* [RW 32] GPIO. [31-28] FLOAT port 0; [27-24] FLOAT port 0; When any of + these bits is written as a '1'; the corresponding SPIO bit will turn off + it's drivers and become an input. This is the reset state of all GPIO + pins. The read value of these bits will be a '1' if that last command + (#SET; #CLR; or #FLOAT) for this bit was a #FLOAT. (reset value 0xff). + [23-20] CLR port 1; 19-16] CLR port 0; When any of these bits is written + as a '1'; the corresponding GPIO bit will drive low. The read value of + these bits will be a '1' if that last command (#SET; #CLR; or #FLOAT) for + this bit was a #CLR. (reset value 0). [15-12] SET port 1; 11-8] port 0; + SET When any of these bits is written as a '1'; the corresponding GPIO + bit will drive high (if it has that capability). The read value of these + bits will be a '1' if that last command (#SET; #CLR; or #FLOAT) for this + bit was a #SET. (reset value 0). [7-4] VALUE port 1; [3-0] VALUE port 0; + RO; These bits indicate the read value of each of the eight GPIO pins. + This is the result value of the pin; not the drive value. Writing these + bits will have not effect. */ +#define MISC_REG_GPIO 0xa490 /* [RW 1] Setting this bit enables a timer in the GRC block to timeout any access that does not finish within ~misc_registers_grc_timout_val.grc_timeout_val cycles. When this bit is @@ -1223,6 +1280,8 @@ #define MISC_REG_MISC_INT_MASK 0xa388 /* [RW 1] Parity mask register #0 read/write */ #define MISC_REG_MISC_PRTY_MASK 0xa398 +/* [R 1] Parity register #0 read */ +#define MISC_REG_MISC_PRTY_STS 0xa38c /* [RW 32] 32 LSB of storm PLL first register; reset val = 0x 071d2911. inside order of the bits is: [0] P1 divider[0] (reset value 1); [1] P1 divider[1] (reset value 0); [2] P1 divider[2] (reset value 0); [3] P1 @@ -1264,6 +1323,55 @@ /* [RW 20] 20 bit GRC address where the scratch-pad of the MCP that is shared with the driver resides */ #define MISC_REG_SHARED_MEM_ADDR 0xa2b4 +/* [RW 32] SPIO. [31-24] FLOAT When any of these bits is written as a '1'; + the corresponding SPIO bit will turn off it's drivers and become an + input. This is the reset state of all SPIO pins. The read value of these + bits will be a '1' if that last command (#SET; #CL; or #FLOAT) for this + bit was a #FLOAT. (reset value 0xff). [23-16] CLR When any of these bits + is written as a '1'; the corresponding SPIO bit will drive low. The read + value of these bits will be a '1' if that last command (#SET; #CLR; or +#FLOAT) for this bit was a #CLR. (reset value 0). [15-8] SET When any of + these bits is written as a '1'; the corresponding SPIO bit will drive + high (if it has that capability). The read value of these bits will be a + '1' if that last command (#SET; #CLR; or #FLOAT) for this bit was a #SET. + (reset value 0). [7-0] VALUE RO; These bits indicate the read value of + each of the eight SPIO pins. This is the result value of the pin; not the + drive value. Writing these bits will have not effect. Each 8 bits field + is divided as follows: [0] VAUX Enable; when pulsed low; enables supply + from VAUX. (This is an output pin only; the FLOAT field is not applicable + for this pin); [1] VAUX Disable; when pulsed low; disables supply form + VAUX. (This is an output pin only; FLOAT field is not applicable for this + pin); [2] SEL_VAUX_B - Control to power switching logic. Drive low to + select VAUX supply. (This is an output pin only; it is not controlled by + the SET and CLR fields; it is controlled by the Main Power SM; the FLOAT + field is not applicable for this pin; only the VALUE fields is relevant - + it reflects the output value); [3] reserved; [4] spio_4; [5] spio_5; [6] + Bit 0 of UMP device ID select; read by UMP firmware; [7] Bit 1 of UMP + device ID select; read by UMP firmware. */ +#define MISC_REG_SPIO 0xa4fc +/* [RW 8] These bits enable the SPIO_INTs to signals event to the IGU/MC. + according to the following map: [3:0] reserved; [4] spio_4 [5] spio_5; + [7:0] reserved */ +#define MISC_REG_SPIO_EVENT_EN 0xa2b8 +/* [RW 32] SPIO INT. [31-24] OLD_CLR Writing a '1' to these bit clears the + corresponding bit in the #OLD_VALUE register. This will acknowledge an + interrupt on the falling edge of corresponding SPIO input (reset value + 0). [23-16] OLD_SET Writing a '1' to these bit sets the corresponding bit + in the #OLD_VALUE register. This will acknowledge an interrupt on the + rising edge of corresponding SPIO input (reset value 0). [15-8] OLD_VALUE + RO; These bits indicate the old value of the SPIO input value. When the + ~INT_STATE bit is set; this bit indicates the OLD value of the pin such + that if ~INT_STATE is set and this bit is '0'; then the interrupt is due + to a low to high edge. If ~INT_STATE is set and this bit is '1'; then the + interrupt is due to a high to low edge (reset value 0). [7-0] INT_STATE + RO; These bits indicate the current SPIO interrupt state for each SPIO + pin. This bit is cleared when the appropriate #OLD_SET or #OLD_CLR + command bit is written. This bit is set when the SPIO input does not + match the current value in #OLD_VALUE (reset value 0). */ +#define MISC_REG_SPIO_INT 0xa500 +/* [RW 1] Set by the MCP to remember if one or more of the drivers is/are + loaded; 0-prepare; -unprepare */ +#define MISC_REG_UNPREPARED 0xa424 #define NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT (0x1<<0) #define NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS (0x1<<9) #define NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G (0x1<<15) @@ -1392,6 +1500,9 @@ #define NIG_REG_NIG_INGRESS_EMAC0_NO_CRC 0x10044 /* [RW 1] Input enable for RX PBF LP IF */ #define NIG_REG_PBF_LB_IN_EN 0x100b4 +/* [RW 1] Value of this register will be transmitted to port swap when + ~nig_registers_strap_override.strap_override =1 */ +#define NIG_REG_PORT_SWAP 0x10394 /* [RW 1] output enable for RX parser descriptor IF */ #define NIG_REG_PRS_EOP_OUT_EN 0x10104 /* [RW 1] Input enable for RX parser request IF */ @@ -1410,6 +1521,10 @@ #define NIG_REG_STAT2_BRB_OCTET 0x107e0 #define NIG_REG_STATUS_INTERRUPT_PORT0 0x10328 #define NIG_REG_STATUS_INTERRUPT_PORT1 0x1032c +/* [RW 1] port swap mux selection. If this register equal to 0 then port + swap is equal to SPIO pin that inputs from ifmux_serdes_swap. If 1 then + ort swap is equal to ~nig_registers_port_swap.port_swap */ +#define NIG_REG_STRAP_OVERRIDE 0x10398 /* [RW 1] output enable for RX_XCM0 IF */ #define NIG_REG_XCM0_OUT_EN 0x100f0 /* [RW 1] output enable for RX_XCM1 IF */ @@ -1499,6 +1614,8 @@ #define PB_REG_PB_INT_STS 0x1c /* [RW 4] Parity mask register #0 read/write */ #define PB_REG_PB_PRTY_MASK 0x38 +/* [R 4] Parity register #0 read */ +#define PB_REG_PB_PRTY_STS 0x2c #define PRS_REG_A_PRSU_20 0x40134 /* [R 8] debug only: CFC load request current credit. Transaction based. */ #define PRS_REG_CFC_LD_CURRENT_CREDIT 0x40164 @@ -1590,6 +1707,8 @@ #define PRS_REG_PRS_INT_STS 0x40188 /* [RW 8] Parity mask register #0 read/write */ #define PRS_REG_PRS_PRTY_MASK 0x401a4 +/* [R 8] Parity register #0 read */ +#define PRS_REG_PRS_PRTY_STS 0x40198 /* [RW 8] Context region for pure acknowledge packets. Used in CFC load request message */ #define PRS_REG_PURE_REGIONS 0x40024 @@ -1718,6 +1837,9 @@ /* [RW 32] Parity mask register #0 read/write */ #define PXP2_REG_PXP2_PRTY_MASK_0 0x120588 #define PXP2_REG_PXP2_PRTY_MASK_1 0x120598 +/* [R 32] Parity register #0 read */ +#define PXP2_REG_PXP2_PRTY_STS_0 0x12057c +#define PXP2_REG_PXP2_PRTY_STS_1 0x12058c /* [R 1] Debug only: The 'almost full' indication from each fifo (gives indication about backpressure) */ #define PXP2_REG_RD_ALMOST_FULL_0 0x120424 @@ -1911,6 +2033,8 @@ #define PXP2_REG_RQ_HC_ENDIAN_M 0x1201a8 /* [WB 53] Onchip address table */ #define PXP2_REG_RQ_ONCHIP_AT 0x122000 +/* [RW 13] Pending read limiter threshold; in Dwords */ +#define PXP2_REG_RQ_PDR_LIMIT 0x12033c /* [RW 2] Endian mode for qm */ #define PXP2_REG_RQ_QM_ENDIAN_M 0x120194 /* [RW 3] page size in L2P table for QM module; -4k; -8k; -16k; -32k; -64k; @@ -1921,6 +2045,9 @@ /* [RW 3] Max burst size filed for read requests port 0; 000 - 128B; 001:256B; 010: 512B; 11:1K:100:2K; 01:4K */ #define PXP2_REG_RQ_RD_MBS0 0x120160 +/* [RW 3] Max burst size filed for read requests port 1; 000 - 128B; + 001:256B; 010: 512B; 11:1K:100:2K; 01:4K */ +#define PXP2_REG_RQ_RD_MBS1 0x120168 /* [RW 2] Endian mode for src */ #define PXP2_REG_RQ_SRC_ENDIAN_M 0x12019c /* [RW 3] page size in L2P table for SRC module; -4k; -8k; -16k; -32k; -64k; @@ -2000,10 +2127,17 @@ /* [RW 3] Max burst size filed for write requests port 0; 000 - 128B; 001:256B; 010: 512B; */ #define PXP2_REG_RQ_WR_MBS0 0x12015c +/* [RW 3] Max burst size filed for write requests port 1; 000 - 128B; + 001:256B; 010: 512B; */ +#define PXP2_REG_RQ_WR_MBS1 0x120164 /* [RW 10] if Number of entries in dmae fifo will be higer than this threshold then has_payload indication will be asserted; the default value should be equal to > write MBS size! */ #define PXP2_REG_WR_DMAE_TH 0x120368 +/* [RW 10] if Number of entries in usdmdp fifo will be higer than this + threshold then has_payload indication will be asserted; the default value + should be equal to > write MBS size! */ +#define PXP2_REG_WR_USDMDP_TH 0x120348 /* [R 1] debug only: Indication if PSWHST arbiter is idle */ #define PXP_REG_HST_ARB_IS_IDLE 0x103004 /* [R 8] debug only: A bit mask for all PSWHST arbiter clients. '1' means @@ -2021,6 +2155,8 @@ #define PXP_REG_PXP_INT_STS_CLR_0 0x10306c /* [RW 26] Parity mask register #0 read/write */ #define PXP_REG_PXP_PRTY_MASK 0x103094 +/* [R 26] Parity register #0 read */ +#define PXP_REG_PXP_PRTY_STS 0x103088 /* [RW 4] The activity counter initial increment value sent in the load request */ #define QM_REG_ACTCTRINITVAL_0 0x168040 @@ -2127,6 +2263,8 @@ #define QM_REG_QM_INT_STS 0x168438 /* [RW 9] Parity mask register #0 read/write */ #define QM_REG_QM_PRTY_MASK 0x168454 +/* [R 9] Parity register #0 read */ +#define QM_REG_QM_PRTY_STS 0x168448 /* [R 32] Current queues in pipeline: Queues from 32 to 63 */ #define QM_REG_QSTATUS_HIGH 0x16802c /* [R 32] Current queues in pipeline: Queues from 0 to 31 */ @@ -2410,6 +2548,8 @@ #define SRC_REG_SRC_INT_STS 0x404ac /* [RW 3] Parity mask register #0 read/write */ #define SRC_REG_SRC_PRTY_MASK 0x404c8 +/* [R 3] Parity register #0 read */ +#define SRC_REG_SRC_PRTY_STS 0x404bc /* [R 4] Used to read the value of the XX protection CAM occupancy counter. */ #define TCM_REG_CAM_OCCUP 0x5017c /* [RW 1] CDU AG read Interface enable. If 0 - the request input is @@ -2730,6 +2870,8 @@ #define TSDM_REG_TSDM_INT_MASK_1 0x422ac /* [RW 11] Parity mask register #0 read/write */ #define TSDM_REG_TSDM_PRTY_MASK 0x422bc +/* [R 11] Parity register #0 read */ +#define TSDM_REG_TSDM_PRTY_STS 0x422b0 /* [RW 5] The number of time_slots in the arbitration cycle */ #define TSEM_REG_ARB_CYCLE_SIZE 0x180034 /* [RW 3] The source that is associated with arbitration element 0. Source @@ -2854,6 +2996,9 @@ /* [RW 32] Parity mask register #0 read/write */ #define TSEM_REG_TSEM_PRTY_MASK_0 0x180120 #define TSEM_REG_TSEM_PRTY_MASK_1 0x180130 +/* [R 32] Parity register #0 read */ +#define TSEM_REG_TSEM_PRTY_STS_0 0x180114 +#define TSEM_REG_TSEM_PRTY_STS_1 0x180124 /* [R 5] Used to read the XX protection CAM occupancy counter. */ #define UCM_REG_CAM_OCCUP 0xe0170 /* [RW 1] CDU AG read Interface enable. If 0 - the request input is @@ -3155,6 +3300,8 @@ #define USDM_REG_USDM_INT_MASK_1 0xc42b0 /* [RW 11] Parity mask register #0 read/write */ #define USDM_REG_USDM_PRTY_MASK 0xc42c0 +/* [R 11] Parity register #0 read */ +#define USDM_REG_USDM_PRTY_STS 0xc42b4 /* [RW 5] The number of time_slots in the arbitration cycle */ #define USEM_REG_ARB_CYCLE_SIZE 0x300034 /* [RW 3] The source that is associated with arbitration element 0. Source @@ -3279,6 +3426,9 @@ /* [RW 32] Parity mask register #0 read/write */ #define USEM_REG_USEM_PRTY_MASK_0 0x300130 #define USEM_REG_USEM_PRTY_MASK_1 0x300140 +/* [R 32] Parity register #0 read */ +#define USEM_REG_USEM_PRTY_STS_0 0x300124 +#define USEM_REG_USEM_PRTY_STS_1 0x300134 /* [RW 2] The queue index for registration on Aux1 counter flag. */ #define XCM_REG_AUX1_Q 0x20134 /* [RW 2] Per each decision rule the queue index to register to. */ @@ -3684,6 +3834,8 @@ #define XSDM_REG_XSDM_INT_MASK_1 0x1662ac /* [RW 11] Parity mask register #0 read/write */ #define XSDM_REG_XSDM_PRTY_MASK 0x1662bc +/* [R 11] Parity register #0 read */ +#define XSDM_REG_XSDM_PRTY_STS 0x1662b0 /* [RW 5] The number of time_slots in the arbitration cycle */ #define XSEM_REG_ARB_CYCLE_SIZE 0x280034 /* [RW 3] The source that is associated with arbitration element 0. Source @@ -3808,6 +3960,9 @@ /* [RW 32] Parity mask register #0 read/write */ #define XSEM_REG_XSEM_PRTY_MASK_0 0x280130 #define XSEM_REG_XSEM_PRTY_MASK_1 0x280140 +/* [R 32] Parity register #0 read */ +#define XSEM_REG_XSEM_PRTY_STS_0 0x280124 +#define XSEM_REG_XSEM_PRTY_STS_1 0x280134 #define MCPR_NVM_ACCESS_ENABLE_EN (1L<<0) #define MCPR_NVM_ACCESS_ENABLE_WR_EN (1L<<1) #define MCPR_NVM_ADDR_NVM_ADDR_VALUE (0xffffffL<<0) @@ -3847,6 +4002,8 @@ #define EMAC_MDIO_COMM_START_BUSY (1L<<29) #define EMAC_MDIO_MODE_AUTO_POLL (1L<<4) #define EMAC_MDIO_MODE_CLAUSE_45 (1L<<31) +#define EMAC_MDIO_MODE_CLOCK_CNT (0x3fL<<16) +#define EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT 16 #define EMAC_MODE_25G_MODE (1L<<5) #define EMAC_MODE_ACPI_RCVD (1L<<20) #define EMAC_MODE_HALF_DUPLEX (1L<<1) @@ -3874,6 +4031,17 @@ #define EMAC_RX_MTU_SIZE_JUMBO_ENA (1L<<31) #define EMAC_TX_MODE_EXT_PAUSE_EN (1L<<3) #define EMAC_TX_MODE_RESET (1L<<0) +#define MISC_REGISTERS_GPIO_1 1 +#define MISC_REGISTERS_GPIO_2 2 +#define MISC_REGISTERS_GPIO_3 3 +#define MISC_REGISTERS_GPIO_CLR_POS 16 +#define MISC_REGISTERS_GPIO_FLOAT (0xffL<<24) +#define MISC_REGISTERS_GPIO_FLOAT_POS 24 +#define MISC_REGISTERS_GPIO_INPUT_HI_Z 2 +#define MISC_REGISTERS_GPIO_OUTPUT_HIGH 1 +#define MISC_REGISTERS_GPIO_OUTPUT_LOW 0 +#define MISC_REGISTERS_GPIO_PORT_SHIFT 4 +#define MISC_REGISTERS_GPIO_SET_POS 8 #define MISC_REGISTERS_RESET_REG_1_CLEAR 0x588 #define MISC_REGISTERS_RESET_REG_1_SET 0x584 #define MISC_REGISTERS_RESET_REG_2_CLEAR 0x598 @@ -3891,6 +4059,25 @@ #define MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW (0x1<<4) #define MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB (0x1<<8) #define MISC_REGISTERS_RESET_REG_3_SET 0x5a4 +#define MISC_REGISTERS_SPIO_4 4 +#define MISC_REGISTERS_SPIO_5 5 +#define MISC_REGISTERS_SPIO_7 7 +#define MISC_REGISTERS_SPIO_CLR_POS 16 +#define MISC_REGISTERS_SPIO_FLOAT (0xffL<<24) +#define GRC_MISC_REGISTERS_SPIO_FLOAT7 0x80000000 +#define GRC_MISC_REGISTERS_SPIO_FLOAT6 0x40000000 +#define GRC_MISC_REGISTERS_SPIO_FLOAT5 0x20000000 +#define GRC_MISC_REGISTERS_SPIO_FLOAT4 0x10000000 +#define MISC_REGISTERS_SPIO_FLOAT_POS 24 +#define MISC_REGISTERS_SPIO_INPUT_HI_Z 2 +#define MISC_REGISTERS_SPIO_INT_OLD_SET_POS 16 +#define MISC_REGISTERS_SPIO_OUTPUT_HIGH 1 +#define MISC_REGISTERS_SPIO_OUTPUT_LOW 0 +#define MISC_REGISTERS_SPIO_SET_POS 8 +#define HW_LOCK_MAX_RESOURCE_VALUE 31 +#define HW_LOCK_RESOURCE_8072_MDIO 0 +#define HW_LOCK_RESOURCE_GPIO 1 +#define HW_LOCK_RESOURCE_SPIO 2 #define AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR (1<<18) #define AEU_INPUTS_ATTN_BITS_CCM_HW_INTERRUPT (1<<31) #define AEU_INPUTS_ATTN_BITS_CDU_HW_INTERRUPT (1<<9) @@ -3918,6 +4105,7 @@ #define AEU_INPUTS_ATTN_BITS_QM_HW_INTERRUPT (1<<3) #define AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR (1<<2) #define AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR (1<<22) +#define AEU_INPUTS_ATTN_BITS_SPIO5 (1<<15) #define AEU_INPUTS_ATTN_BITS_TCM_HW_INTERRUPT (1<<27) #define AEU_INPUTS_ATTN_BITS_TIMERS_HW_INTERRUPT (1<<5) #define AEU_INPUTS_ATTN_BITS_TSDM_HW_INTERRUPT (1<<25) @@ -4206,6 +4394,9 @@ #define MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE 0x4000 #define MDIO_XGXS_BLOCK2_TX_LN_SWAP 0x11 #define MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE 0x8000 +#define MDIO_XGXS_BLOCK2_UNICORE_MODE_10G 0x14 +#define MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS 0x0001 +#define MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS 0x0010 #define MDIO_XGXS_BLOCK2_TEST_MODE_LANE 0x15 #define MDIO_REG_BANK_GP_STATUS 0x8120 @@ -4362,11 +4553,13 @@ #define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_SGMII_MODE 0x0001 +#define EXT_PHY_AUTO_NEG_DEVAD 0x7 #define EXT_PHY_OPT_PMA_PMD_DEVAD 0x1 #define EXT_PHY_OPT_WIS_DEVAD 0x2 #define EXT_PHY_OPT_PCS_DEVAD 0x3 #define EXT_PHY_OPT_PHY_XS_DEVAD 0x4 #define EXT_PHY_OPT_CNTL 0x0 +#define EXT_PHY_OPT_CNTL2 0x7 #define EXT_PHY_OPT_PMD_RX_SD 0xa #define EXT_PHY_OPT_PMD_MISC_CNTL 0xca0a #define EXT_PHY_OPT_PHY_IDENTIFIER 0xc800 @@ -4378,11 +4571,24 @@ #define EXT_PHY_OPT_LASI_STATUS 0x9005 #define EXT_PHY_OPT_PCS_STATUS 0x0020 #define EXT_PHY_OPT_XGXS_LANE_STATUS 0x0018 +#define EXT_PHY_OPT_AN_LINK_STATUS 0x8304 +#define EXT_PHY_OPT_AN_CL37_CL73 0x8370 +#define EXT_PHY_OPT_AN_CL37_FD 0xffe4 +#define EXT_PHY_OPT_AN_CL37_AN 0xffe0 +#define EXT_PHY_OPT_AN_ADV 0x11 #define EXT_PHY_KR_PMA_PMD_DEVAD 0x1 #define EXT_PHY_KR_PCS_DEVAD 0x3 #define EXT_PHY_KR_AUTO_NEG_DEVAD 0x7 #define EXT_PHY_KR_CTRL 0x0000 +#define EXT_PHY_KR_STATUS 0x0001 +#define EXT_PHY_KR_AUTO_NEG_COMPLETE 0x0020 +#define EXT_PHY_KR_AUTO_NEG_ADVERT 0x0010 +#define EXT_PHY_KR_AUTO_NEG_ADVERT_PAUSE 0x0400 +#define EXT_PHY_KR_AUTO_NEG_ADVERT_PAUSE_ASYMMETRIC 0x0800 +#define EXT_PHY_KR_AUTO_NEG_ADVERT_PAUSE_BOTH 0x0C00 +#define EXT_PHY_KR_AUTO_NEG_ADVERT_PAUSE_MASK 0x0C00 +#define EXT_PHY_KR_LP_AUTO_NEG 0x0013 #define EXT_PHY_KR_CTRL2 0x0007 #define EXT_PHY_KR_PCS_STATUS 0x0020 #define EXT_PHY_KR_PMD_CTRL 0x0096 @@ -4391,4 +4597,8 @@ #define EXT_PHY_KR_MISC_CTRL1 0xca85 #define EXT_PHY_KR_GEN_CTRL 0xca10 #define EXT_PHY_KR_ROM_CODE 0xca19 +#define EXT_PHY_KR_ROM_RESET_INTERNAL_MP 0x0188 +#define EXT_PHY_KR_ROM_MICRO_RESET 0x018a + +#define EXT_PHY_SFX7101_XGXS_TEST1 0xc00a -- cgit v1.2.3 From 49d66772112f40554ba18d037e0601ac3da0bf79 Mon Sep 17 00:00:00 2001 From: Eliezer Tamir Date: Thu, 28 Feb 2008 11:53:13 -0800 Subject: [BNX2X]: Correct RX filtering and MC configuration The configuration of RX filtering needed the following corrections: Drop flags need to be set per Rx queue. Have to tell the microcode to collect drop stats, and properly wait for them to complete when going down. Sometimes we failed to detect proper completion due to a logical error in the wait loop. Signed-off-by: Eliezer Tamir Signed-off-by: David S. Miller --- drivers/net/bnx2x.c | 165 +++++++++++++++++++++++++++++----------------------- drivers/net/bnx2x.h | 5 +- 2 files changed, 92 insertions(+), 78 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2x.c b/drivers/net/bnx2x.c index 5cd785064ba..103d3e0f24b 100644 --- a/drivers/net/bnx2x.c +++ b/drivers/net/bnx2x.c @@ -298,8 +298,7 @@ static void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32) static int bnx2x_mc_assert(struct bnx2x *bp) { - int i, j; - int rc = 0; + int i, j, rc = 0; char last_idx; const char storm[] = {"XTCU"}; const u32 intmem_base[] = { @@ -313,8 +312,9 @@ static int bnx2x_mc_assert(struct bnx2x *bp) for (i = 0; i < 4; i++) { last_idx = REG_RD8(bp, XSTORM_ASSERT_LIST_INDEX_OFFSET + intmem_base[i]); - BNX2X_ERR("DATA %cSTORM_ASSERT_LIST_INDEX 0x%x\n", - storm[i], last_idx); + if (last_idx) + BNX2X_LOG("DATA %cSTORM_ASSERT_LIST_INDEX 0x%x\n", + storm[i], last_idx); /* print the asserts */ for (j = 0; j < STROM_ASSERT_ARRAY_SIZE; j++) { @@ -330,7 +330,7 @@ static int bnx2x_mc_assert(struct bnx2x *bp) intmem_base[i]); if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) { - BNX2X_ERR("DATA %cSTORM_ASSERT_INDEX 0x%x =" + BNX2X_LOG("DATA %cSTORM_ASSERT_INDEX 0x%x =" " 0x%08x 0x%08x 0x%08x 0x%08x\n", storm[i], j, row3, row2, row1, row0); rc++; @@ -349,21 +349,22 @@ static void bnx2x_fw_dump(struct bnx2x *bp) int word; mark = REG_RD(bp, MCP_REG_MCPR_SCRATCH + 0xf104); - printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n", mark); + mark = ((mark + 0x3) & ~0x3); + printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n" KERN_ERR, mark); for (offset = mark - 0x08000000; offset <= 0xF900; offset += 0x8*4) { for (word = 0; word < 8; word++) data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH + offset + 4*word)); data[8] = 0x0; - printk(KERN_ERR PFX "%s", (char *)data); + printk(KERN_CONT "%s", (char *)data); } for (offset = 0xF108; offset <= mark - 0x08000000; offset += 0x8*4) { for (word = 0; word < 8; word++) data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH + offset + 4*word)); data[8] = 0x0; - printk(KERN_ERR PFX "%s", (char *)data); + printk(KERN_CONT "%s", (char *)data); } printk("\n" KERN_ERR PFX "end of fw dump\n"); } @@ -428,10 +429,10 @@ static void bnx2x_panic_dump(struct bnx2x *bp) } } - BNX2X_ERR("def_c_idx(%u) def_u_idx(%u) def_t_idx(%u)" - " def_x_idx(%u) def_att_idx(%u) attn_state(%u)" + BNX2X_ERR("def_c_idx(%u) def_u_idx(%u) def_x_idx(%u)" + " def_t_idx(%u) def_att_idx(%u) attn_state(%u)" " spq_prod_idx(%u)\n", - bp->def_c_idx, bp->def_u_idx, bp->def_t_idx, bp->def_x_idx, + bp->def_c_idx, bp->def_u_idx, bp->def_x_idx, bp->def_t_idx, bp->def_att_idx, bp->attn_state, bp->spq_prod_idx); @@ -789,20 +790,20 @@ static void bnx2x_sp_event(struct bnx2x_fastpath *fp, fp->state = BNX2X_FP_STATE_HALTED; break; - case (RAMROD_CMD_ID_ETH_PORT_DEL | BNX2X_STATE_CLOSING_WAIT4_DELETE): - DP(NETIF_MSG_IFDOWN, "got delete ramrod\n"); - bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD; - break; - case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT): - DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid); - bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_DELETED; + DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", + cid); + bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED; break; case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN): DP(NETIF_MSG_IFUP, "got set mac ramrod\n"); break; + case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT): + DP(NETIF_MSG_IFUP, "got (un)set mac ramrod\n"); + break; + default: BNX2X_ERR("unexpected ramrod (%d) state is %x\n", command, bp->state); @@ -5236,6 +5237,9 @@ static void bnx2x_init_def_sb(struct bnx2x *bp, atten_status_block); def_sb->atten_status_block.status_block_id = id; + bp->def_att_idx = 0; + bp->attn_state = 0; + reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 : MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0); @@ -5270,6 +5274,8 @@ static void bnx2x_init_def_sb(struct bnx2x *bp, u_def_status_block); def_sb->u_def_status_block.status_block_id = id; + bp->def_u_idx = 0; + REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port), U64_LO(section)); REG_WR(bp, BAR_USTRORM_INTMEM + @@ -5287,6 +5293,8 @@ static void bnx2x_init_def_sb(struct bnx2x *bp, c_def_status_block); def_sb->c_def_status_block.status_block_id = id; + bp->def_c_idx = 0; + REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port), U64_LO(section)); REG_WR(bp, BAR_CSTRORM_INTMEM + @@ -5304,6 +5312,8 @@ static void bnx2x_init_def_sb(struct bnx2x *bp, t_def_status_block); def_sb->t_def_status_block.status_block_id = id; + bp->def_t_idx = 0; + REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port), U64_LO(section)); REG_WR(bp, BAR_TSTRORM_INTMEM + @@ -5321,6 +5331,8 @@ static void bnx2x_init_def_sb(struct bnx2x *bp, x_def_status_block); def_sb->x_def_status_block.status_block_id = id; + bp->def_x_idx = 0; + REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port), U64_LO(section)); REG_WR(bp, BAR_XSTRORM_INTMEM + @@ -5333,6 +5345,8 @@ static void bnx2x_init_def_sb(struct bnx2x *bp, REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_DEF_SB_HC_DISABLE_OFFSET(port, index), 0x1); + bp->stat_pending = 0; + bnx2x_ack_sb(bp, id, CSTORM_ID, 0, IGU_INT_ENABLE, 0); } @@ -5476,7 +5490,6 @@ static void bnx2x_init_sp_ring(struct bnx2x *bp) bp->spq_left = MAX_SPQ_PENDING; bp->spq_prod_idx = 0; - bp->dsb_sp_prod_idx = 0; bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX; bp->spq_prod_bd = bp->spq; bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT; @@ -5553,6 +5566,42 @@ static void bnx2x_init_ind_table(struct bnx2x *bp) REG_WR(bp, PRS_REG_A_PRSU_20, 0xf); } +static void bnx2x_set_client_config(struct bnx2x *bp) +{ +#ifdef BCM_VLAN + int mode = bp->rx_mode; +#endif + int i, port = bp->port; + struct tstorm_eth_client_config tstorm_client = {0}; + + tstorm_client.mtu = bp->dev->mtu; + tstorm_client.statistics_counter_id = 0; + tstorm_client.config_flags = + TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE; +#ifdef BCM_VLAN + if (mode && bp->vlgrp) { + tstorm_client.config_flags |= + TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE; + DP(NETIF_MSG_IFUP, "vlan removal enabled\n"); + } +#endif + if (mode != BNX2X_RX_MODE_PROMISC) + tstorm_client.drop_flags = + TSTORM_ETH_CLIENT_CONFIG_DROP_MAC_ERR; + + for_each_queue(bp, i) { + REG_WR(bp, BAR_TSTRORM_INTMEM + + TSTORM_CLIENT_CONFIG_OFFSET(port, i), + ((u32 *)&tstorm_client)[0]); + REG_WR(bp, BAR_TSTRORM_INTMEM + + TSTORM_CLIENT_CONFIG_OFFSET(port, i) + 4, + ((u32 *)&tstorm_client)[1]); + } + +/* DP(NETIF_MSG_IFUP, "tstorm_client: 0x%08x 0x%08x\n", + ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]); */ +} + static void bnx2x_set_storm_rx_mode(struct bnx2x *bp) { int mode = bp->rx_mode; @@ -5592,41 +5641,9 @@ static void bnx2x_set_storm_rx_mode(struct bnx2x *bp) /* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i, ((u32 *)&tstorm_mac_filter)[i]); */ } -} -static void bnx2x_set_client_config(struct bnx2x *bp, int client_id) -{ -#ifdef BCM_VLAN - int mode = bp->rx_mode; -#endif - int port = bp->port; - struct tstorm_eth_client_config tstorm_client = {0}; - - tstorm_client.mtu = bp->dev->mtu; - tstorm_client.statistics_counter_id = 0; - tstorm_client.config_flags = - TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE; -#ifdef BCM_VLAN - if (mode && bp->vlgrp) { - tstorm_client.config_flags |= - TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE; - DP(NETIF_MSG_IFUP, "vlan removal enabled\n"); - } -#endif - tstorm_client.drop_flags = (TSTORM_ETH_CLIENT_CONFIG_DROP_IP_CS_ERR | - TSTORM_ETH_CLIENT_CONFIG_DROP_TCP_CS_ERR | - TSTORM_ETH_CLIENT_CONFIG_DROP_UDP_CS_ERR | - TSTORM_ETH_CLIENT_CONFIG_DROP_MAC_ERR); - - REG_WR(bp, BAR_TSTRORM_INTMEM + - TSTORM_CLIENT_CONFIG_OFFSET(port, client_id), - ((u32 *)&tstorm_client)[0]); - REG_WR(bp, BAR_TSTRORM_INTMEM + - TSTORM_CLIENT_CONFIG_OFFSET(port, client_id) + 4, - ((u32 *)&tstorm_client)[1]); - -/* DP(NETIF_MSG_IFUP, "tstorm_client: 0x%08x 0x%08x\n", - ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]); */ + if (mode != BNX2X_RX_MODE_NONE) + bnx2x_set_client_config(bp); } static void bnx2x_init_internal(struct bnx2x *bp) @@ -5634,7 +5651,6 @@ static void bnx2x_init_internal(struct bnx2x *bp) int port = bp->port; struct tstorm_eth_function_common_config tstorm_config = {0}; struct stats_indication_flags stats_flags = {0}; - int i; if (is_multi(bp)) { tstorm_config.config_flags = MULTI_FLAGS; @@ -5651,10 +5667,6 @@ static void bnx2x_init_internal(struct bnx2x *bp) bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */ bnx2x_set_storm_rx_mode(bp); - for_each_queue(bp, i) - bnx2x_set_client_config(bp, i); - - stats_flags.collect_eth = cpu_to_le32(1); REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(port), @@ -6961,7 +6973,7 @@ static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx, mb(); /* state is changed by bnx2x_sp_event()*/ - if (*state_p != state) + if (*state_p == state) return 0; timeout--; @@ -6970,9 +6982,10 @@ static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx, } /* timeout! */ - BNX2X_ERR("timeout waiting for ramrod %d on %d\n", state, idx); - return -EBUSY; + BNX2X_ERR("timeout %s for state %x on IDX [%d]\n", + poll ? "polling" : "waiting", state, idx); + return -EBUSY; } static int bnx2x_setup_leading(struct bnx2x *bp) @@ -7239,7 +7252,7 @@ static int bnx2x_stop_multi(struct bnx2x *bp, int index) /* delete cfc entry */ bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1); - return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_DELETED, index, + return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index, &(bp->fp[index].state), 1); } @@ -7247,7 +7260,7 @@ static int bnx2x_stop_multi(struct bnx2x *bp, int index) static void bnx2x_stop_leading(struct bnx2x *bp) { - + u16 dsb_sp_prod_idx; /* if the other port is handling traffic, this can take a lot of time */ int timeout = 500; @@ -7262,23 +7275,29 @@ static void bnx2x_stop_leading(struct bnx2x *bp) &(bp->fp[0].state), 1)) return; - bp->dsb_sp_prod_idx = *bp->dsb_sp_prod; + dsb_sp_prod_idx = *bp->dsb_sp_prod; /* Send CFC_DELETE ramrod */ bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1); - /* - Wait for completion. + /* Wait for completion to arrive on default status block we are going to reset the chip anyway so there is not much to do if this times out */ - while (bp->dsb_sp_prod_idx == *bp->dsb_sp_prod && timeout) { - timeout--; - msleep(1); + while ((dsb_sp_prod_idx == *bp->dsb_sp_prod) && timeout) { + timeout--; + msleep(1); } - + if (!timeout) { + DP(NETIF_MSG_IFDOWN, "timeout polling for completion " + "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n", + *bp->dsb_sp_prod, dsb_sp_prod_idx); + } + bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD; + bp->fp[0].state = BNX2X_FP_STATE_CLOSED; } + static int bnx2x_nic_unload(struct bnx2x *bp, int fre_irq) { u32 reset_code = 0; @@ -8968,9 +8987,7 @@ static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state) * net_device service functions */ -/* Called with rtnl_lock from vlan functions and also netif_tx_lock - * from set_multicast. - */ +/* called with netif_tx_lock from set_multicast */ static void bnx2x_set_rx_mode(struct net_device *dev) { struct bnx2x *bp = netdev_priv(dev); @@ -9496,7 +9513,7 @@ static void bnx2x_vlan_rx_register(struct net_device *dev, bp->vlgrp = vlgrp; if (netif_running(dev)) - bnx2x_set_rx_mode(dev); + bnx2x_set_client_config(bp); } #endif diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h index dc423e58dad..d0e5ab1af44 100644 --- a/drivers/net/bnx2x.h +++ b/drivers/net/bnx2x.h @@ -1,6 +1,6 @@ /* bnx2x.h: Broadcom Everest network driver. * - * Copyright (c) 2007 Broadcom Corporation + * Copyright (c) 2007-2008 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -431,8 +431,6 @@ struct bnx2x_fastpath { #define BNX2X_FP_STATE_OPEN 0xa0000 #define BNX2X_FP_STATE_HALTING 0xb0000 #define BNX2X_FP_STATE_HALTED 0xc0000 -#define BNX2X_FP_STATE_DELETED 0xd0000 -#define BNX2X_FP_STATE_CLOSE_IRQ 0xe0000 int index; @@ -513,7 +511,6 @@ struct bnx2x { struct eth_spe *spq; dma_addr_t spq_mapping; u16 spq_prod_idx; - u16 dsb_sp_prod_idx; struct eth_spe *spq_prod_bd; struct eth_spe *spq_last_bd; u16 *dsb_sp_prod; -- cgit v1.2.3 From 0e39e645b3e83873d59b865df2b671c822e2182c Mon Sep 17 00:00:00 2001 From: Eliezer Tamir Date: Thu, 28 Feb 2008 11:54:03 -0800 Subject: [BNX2X]: correct statistics Errors were summed improperly, some stats were missing. Signed-off-by: Eliezer Tamir Signed-off-by: David S. Miller --- drivers/net/bnx2x.c | 164 ++++++++++++++++++++++++++-------------------------- drivers/net/bnx2x.h | 4 +- 2 files changed, 83 insertions(+), 85 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2x.c b/drivers/net/bnx2x.c index 103d3e0f24b..a35feee513d 100644 --- a/drivers/net/bnx2x.c +++ b/drivers/net/bnx2x.c @@ -4972,39 +4972,37 @@ static void bnx2x_update_net_stats(struct bnx2x *bp) nstats->rx_bytes = bnx2x_hilo(&estats->total_bytes_received_hi); - nstats->tx_bytes = - bnx2x_hilo(&estats->total_bytes_transmitted_hi); + nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi); - nstats->rx_dropped = estats->checksum_discard + - estats->mac_discard; + nstats->rx_dropped = estats->checksum_discard + estats->mac_discard; nstats->tx_dropped = 0; nstats->multicast = bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi); - nstats->collisions = - estats->single_collision_transmit_frames + - estats->multiple_collision_transmit_frames + - estats->late_collision_frames + - estats->excessive_collision_frames; + nstats->collisions = estats->single_collision_transmit_frames + + estats->multiple_collision_transmit_frames + + estats->late_collision_frames + + estats->excessive_collision_frames; nstats->rx_length_errors = estats->runt_packets_received + estats->jabber_packets_received; - nstats->rx_over_errors = estats->no_buff_discard; + nstats->rx_over_errors = estats->brb_discard + + estats->brb_truncate_discard; nstats->rx_crc_errors = estats->crc_receive_errors; nstats->rx_frame_errors = estats->alignment_errors; - nstats->rx_fifo_errors = estats->brb_discard + - estats->brb_truncate_discard; + nstats->rx_fifo_errors = estats->no_buff_discard; nstats->rx_missed_errors = estats->xxoverflow_discard; nstats->rx_errors = nstats->rx_length_errors + nstats->rx_over_errors + nstats->rx_crc_errors + nstats->rx_frame_errors + - nstats->rx_fifo_errors; + nstats->rx_fifo_errors + + nstats->rx_missed_errors; nstats->tx_aborted_errors = estats->late_collision_frames + - estats->excessive_collision_frames; + estats->excessive_collision_frames; nstats->tx_carrier_errors = estats->false_carrier_detections; nstats->tx_fifo_errors = 0; nstats->tx_heartbeat_errors = 0; @@ -8755,81 +8753,87 @@ static void bnx2x_self_test(struct net_device *dev, static struct { char string[ETH_GSTRING_LEN]; } bnx2x_stats_str_arr[BNX2X_NUM_STATS] = { - { "rx_bytes"}, /* 0 */ - { "rx_error_bytes"}, /* 1 */ - { "tx_bytes"}, /* 2 */ - { "tx_error_bytes"}, /* 3 */ - { "rx_ucast_packets"}, /* 4 */ - { "rx_mcast_packets"}, /* 5 */ - { "rx_bcast_packets"}, /* 6 */ - { "tx_ucast_packets"}, /* 7 */ - { "tx_mcast_packets"}, /* 8 */ - { "tx_bcast_packets"}, /* 9 */ - { "tx_mac_errors"}, /* 10 */ - { "tx_carrier_errors"}, /* 11 */ - { "rx_crc_errors"}, /* 12 */ - { "rx_align_errors"}, /* 13 */ - { "tx_single_collisions"}, /* 14 */ - { "tx_multi_collisions"}, /* 15 */ - { "tx_deferred"}, /* 16 */ - { "tx_excess_collisions"}, /* 17 */ - { "tx_late_collisions"}, /* 18 */ - { "tx_total_collisions"}, /* 19 */ - { "rx_fragments"}, /* 20 */ - { "rx_jabbers"}, /* 21 */ - { "rx_undersize_packets"}, /* 22 */ - { "rx_oversize_packets"}, /* 23 */ - { "rx_xon_frames"}, /* 24 */ - { "rx_xoff_frames"}, /* 25 */ - { "tx_xon_frames"}, /* 26 */ - { "tx_xoff_frames"}, /* 27 */ - { "rx_mac_ctrl_frames"}, /* 28 */ - { "rx_filtered_packets"}, /* 29 */ - { "rx_discards"}, /* 30 */ + { "rx_bytes"}, + { "rx_error_bytes"}, + { "tx_bytes"}, + { "tx_error_bytes"}, + { "rx_ucast_packets"}, + { "rx_mcast_packets"}, + { "rx_bcast_packets"}, + { "tx_ucast_packets"}, + { "tx_mcast_packets"}, + { "tx_bcast_packets"}, + { "tx_mac_errors"}, /* 10 */ + { "tx_carrier_errors"}, + { "rx_crc_errors"}, + { "rx_align_errors"}, + { "tx_single_collisions"}, + { "tx_multi_collisions"}, + { "tx_deferred"}, + { "tx_excess_collisions"}, + { "tx_late_collisions"}, + { "tx_total_collisions"}, + { "rx_fragments"}, /* 20 */ + { "rx_jabbers"}, + { "rx_undersize_packets"}, + { "rx_oversize_packets"}, + { "rx_xon_frames"}, + { "rx_xoff_frames"}, + { "tx_xon_frames"}, + { "tx_xoff_frames"}, + { "rx_mac_ctrl_frames"}, + { "rx_filtered_packets"}, + { "rx_discards"}, /* 30 */ + { "brb_discard"}, + { "brb_truncate"}, + { "xxoverflow"} }; #define STATS_OFFSET32(offset_name) \ (offsetof(struct bnx2x_eth_stats, offset_name) / 4) static unsigned long bnx2x_stats_offset_arr[BNX2X_NUM_STATS] = { - STATS_OFFSET32(total_bytes_received_hi), /* 0 */ - STATS_OFFSET32(stat_IfHCInBadOctets_hi), /* 1 */ - STATS_OFFSET32(total_bytes_transmitted_hi), /* 2 */ - STATS_OFFSET32(stat_IfHCOutBadOctets_hi), /* 3 */ - STATS_OFFSET32(total_unicast_packets_received_hi), /* 4 */ - STATS_OFFSET32(total_multicast_packets_received_hi), /* 5 */ - STATS_OFFSET32(total_broadcast_packets_received_hi), /* 6 */ - STATS_OFFSET32(total_unicast_packets_transmitted_hi), /* 7 */ - STATS_OFFSET32(total_multicast_packets_transmitted_hi), /* 8 */ - STATS_OFFSET32(total_broadcast_packets_transmitted_hi), /* 9 */ - STATS_OFFSET32(stat_Dot3statsInternalMacTransmitErrors), /* 10 */ - STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors), /* 11 */ - STATS_OFFSET32(crc_receive_errors), /* 12 */ - STATS_OFFSET32(alignment_errors), /* 13 */ - STATS_OFFSET32(single_collision_transmit_frames), /* 14 */ - STATS_OFFSET32(multiple_collision_transmit_frames), /* 15 */ - STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions), /* 16 */ - STATS_OFFSET32(excessive_collision_frames), /* 17 */ - STATS_OFFSET32(late_collision_frames), /* 18 */ - STATS_OFFSET32(number_of_bugs_found_in_stats_spec), /* 19 */ - STATS_OFFSET32(runt_packets_received), /* 20 */ - STATS_OFFSET32(jabber_packets_received), /* 21 */ - STATS_OFFSET32(error_runt_packets_received), /* 22 */ - STATS_OFFSET32(error_jabber_packets_received), /* 23 */ - STATS_OFFSET32(pause_xon_frames_received), /* 24 */ - STATS_OFFSET32(pause_xoff_frames_received), /* 25 */ - STATS_OFFSET32(pause_xon_frames_transmitted), /* 26 */ - STATS_OFFSET32(pause_xoff_frames_transmitted), /* 27 */ - STATS_OFFSET32(control_frames_received), /* 28 */ - STATS_OFFSET32(mac_filter_discard), /* 29 */ - STATS_OFFSET32(no_buff_discard), /* 30 */ + STATS_OFFSET32(total_bytes_received_hi), + STATS_OFFSET32(stat_IfHCInBadOctets_hi), + STATS_OFFSET32(total_bytes_transmitted_hi), + STATS_OFFSET32(stat_IfHCOutBadOctets_hi), + STATS_OFFSET32(total_unicast_packets_received_hi), + STATS_OFFSET32(total_multicast_packets_received_hi), + STATS_OFFSET32(total_broadcast_packets_received_hi), + STATS_OFFSET32(total_unicast_packets_transmitted_hi), + STATS_OFFSET32(total_multicast_packets_transmitted_hi), + STATS_OFFSET32(total_broadcast_packets_transmitted_hi), + STATS_OFFSET32(stat_Dot3statsInternalMacTransmitErrors), /* 10 */ + STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors), + STATS_OFFSET32(crc_receive_errors), + STATS_OFFSET32(alignment_errors), + STATS_OFFSET32(single_collision_transmit_frames), + STATS_OFFSET32(multiple_collision_transmit_frames), + STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions), + STATS_OFFSET32(excessive_collision_frames), + STATS_OFFSET32(late_collision_frames), + STATS_OFFSET32(number_of_bugs_found_in_stats_spec), + STATS_OFFSET32(runt_packets_received), /* 20 */ + STATS_OFFSET32(jabber_packets_received), + STATS_OFFSET32(error_runt_packets_received), + STATS_OFFSET32(error_jabber_packets_received), + STATS_OFFSET32(pause_xon_frames_received), + STATS_OFFSET32(pause_xoff_frames_received), + STATS_OFFSET32(pause_xon_frames_transmitted), + STATS_OFFSET32(pause_xoff_frames_transmitted), + STATS_OFFSET32(control_frames_received), + STATS_OFFSET32(mac_filter_discard), + STATS_OFFSET32(no_buff_discard), /* 30 */ + STATS_OFFSET32(brb_discard), + STATS_OFFSET32(brb_truncate_discard), + STATS_OFFSET32(xxoverflow_discard) }; static u8 bnx2x_stats_len_arr[BNX2X_NUM_STATS] = { 8, 0, 8, 0, 8, 8, 8, 8, 8, 8, 4, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, - 4, + 4, 4, 4, 4 }; static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf) @@ -9372,11 +9376,6 @@ static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_OK; } -static struct net_device_stats *bnx2x_get_stats(struct net_device *dev) -{ - return &dev->stats; -} - /* Called with rtnl_lock */ static int bnx2x_open(struct net_device *dev) { @@ -9784,7 +9783,6 @@ static int __devinit bnx2x_init_one(struct pci_dev *pdev, dev->hard_start_xmit = bnx2x_start_xmit; dev->watchdog_timeo = TX_TIMEOUT; - dev->get_stats = bnx2x_get_stats; dev->ethtool_ops = &bnx2x_ethtool_ops; dev->open = bnx2x_open; dev->stop = bnx2x_close; diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h index d0e5ab1af44..e2a36e850fc 100644 --- a/drivers/net/bnx2x.h +++ b/drivers/net/bnx2x.h @@ -854,8 +854,8 @@ struct bnx2x { #define MAX_SPQ_PENDING 8 -#define BNX2X_NUM_STATS 31 -#define BNX2X_NUM_TESTS 2 +#define BNX2X_NUM_STATS 34 +#define BNX2X_NUM_TESTS 1 #define DPM_TRIGER_TYPE 0x40 -- cgit v1.2.3 From 615f8fd9c2ab475c420d5baa7def37c5cb0d50d3 Mon Sep 17 00:00:00 2001 From: Eliezer Tamir Date: Thu, 28 Feb 2008 11:54:54 -0800 Subject: [BNX2X]: fix MSI-X/INT#A errata Errata A0.158 workaround. Running in INT#A mode after running with MSI-X fails due to a PCI core bug. Signed-off-by: Eliezer Tamir Signed-off-by: David S. Miller --- drivers/net/bnx2x.c | 24 ++++++++++++++++-------- 1 file changed, 16 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2x.c b/drivers/net/bnx2x.c index a35feee513d..6f987fa10a6 100644 --- a/drivers/net/bnx2x.c +++ b/drivers/net/bnx2x.c @@ -443,7 +443,7 @@ static void bnx2x_panic_dump(struct bnx2x *bp) DP(BNX2X_MSG_STATS, "stats_state - DISABLE\n"); } -static void bnx2x_enable_int(struct bnx2x *bp) +static void bnx2x_int_enable(struct bnx2x *bp) { int port = bp->port; u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0; @@ -456,18 +456,26 @@ static void bnx2x_enable_int(struct bnx2x *bp) HC_CONFIG_0_REG_ATTN_BIT_EN_0); } else { val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 | + HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 | HC_CONFIG_0_REG_INT_LINE_EN_0 | HC_CONFIG_0_REG_ATTN_BIT_EN_0); + + /* Errata A0.158 workaround */ + DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n", + val, port, addr, msix); + + REG_WR(bp, addr, val); + val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0; } - DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) msi %d\n", + DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n", val, port, addr, msix); REG_WR(bp, addr, val); } -static void bnx2x_disable_int(struct bnx2x *bp) +static void bnx2x_int_disable(struct bnx2x *bp) { int port = bp->port; u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0; @@ -486,7 +494,7 @@ static void bnx2x_disable_int(struct bnx2x *bp) BNX2X_ERR("BUG! proper val not read from IGU!\n"); } -static void bnx2x_disable_int_sync(struct bnx2x *bp) +static void bnx2x_int_disable_sync(struct bnx2x *bp) { int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0; @@ -494,7 +502,7 @@ static void bnx2x_disable_int_sync(struct bnx2x *bp) atomic_inc(&bp->intr_sem); /* prevent the HW from sending interrupts */ - bnx2x_disable_int(bp); + bnx2x_int_disable(bp); /* make sure all ISRs are done */ if (msix) { @@ -5710,7 +5718,7 @@ static void bnx2x_nic_init(struct bnx2x *bp) bnx2x_init_internal(bp); bnx2x_init_stats(bp); bnx2x_init_ind_table(bp); - bnx2x_enable_int(bp); + bnx2x_int_enable(bp); } @@ -7154,7 +7162,7 @@ stop_netif: napi_disable(&bnx2x_fp(bp, i, napi)); int_disable: - bnx2x_disable_int_sync(bp); + bnx2x_int_disable_sync(bp); bnx2x_free_skbs(bp); bnx2x_free_irq(bp); @@ -7174,7 +7182,7 @@ static void bnx2x_netif_stop(struct bnx2x *bp) bp->rx_mode = BNX2X_RX_MODE_NONE; bnx2x_set_storm_rx_mode(bp); - bnx2x_disable_int_sync(bp); + bnx2x_int_disable_sync(bp); bnx2x_link_reset(bp); for_each_queue(bp, i) -- cgit v1.2.3 From 877e9aa4c31d8d1670b21824b819929435f46579 Mon Sep 17 00:00:00 2001 From: Eliezer Tamir Date: Thu, 28 Feb 2008 11:55:53 -0800 Subject: [BNX2X]: fix HW attentions and error handling Some of the HW attentions, used to indicate an error were not properly acked. This will cause the driver to endlessly receive interrupts when such an error happens. Had to break the code into smaller chunks because it got too nested. Signed-off-by: Eliezer Tamir Signed-off-by: David S. Miller --- drivers/net/bnx2x.c | 229 ++++++++++++++++++++++++++++++++++------------------ 1 file changed, 150 insertions(+), 79 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2x.c b/drivers/net/bnx2x.c index 6f987fa10a6..b99e3b72fac 100644 --- a/drivers/net/bnx2x.c +++ b/drivers/net/bnx2x.c @@ -4089,8 +4089,8 @@ static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted) u32 igu_addr = (IGU_ADDR_ATTN_BITS_SET + IGU_PORT_BASE * port) * 8; u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 : MISC_REG_AEU_MASK_ATTN_FUNC_0; - u32 nig_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 : - NIG_REG_MASK_INTERRUPT_PORT0; + u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 : + NIG_REG_MASK_INTERRUPT_PORT0; if (~bp->aeu_mask & (asserted & 0xff)) BNX2X_ERR("IGU ERROR\n"); @@ -4108,15 +4108,11 @@ static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted) if (asserted & ATTN_HARD_WIRED_MASK) { if (asserted & ATTN_NIG_FOR_FUNC) { - u32 nig_status_port; - u32 nig_int_addr = port ? - NIG_REG_STATUS_INTERRUPT_PORT1 : - NIG_REG_STATUS_INTERRUPT_PORT0; - bp->nig_mask = REG_RD(bp, nig_mask_addr); - REG_WR(bp, nig_mask_addr, 0); + /* save nig interrupt mask */ + bp->nig_mask = REG_RD(bp, nig_int_mask_addr); + REG_WR(bp, nig_int_mask_addr, 0); - nig_status_port = REG_RD(bp, nig_int_addr); bnx2x_link_update(bp); /* handle unicore attn? */ @@ -4169,15 +4165,132 @@ static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted) /* now set back the mask */ if (asserted & ATTN_NIG_FOR_FUNC) - REG_WR(bp, nig_mask_addr, bp->nig_mask); + REG_WR(bp, nig_int_mask_addr, bp->nig_mask); } -static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted) +static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn) { int port = bp->port; - int index; + int reg_offset; + u32 val; + + if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) { + + reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 : + MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0); + + val = REG_RD(bp, reg_offset); + val &= ~AEU_INPUTS_ATTN_BITS_SPIO5; + REG_WR(bp, reg_offset, val); + + BNX2X_ERR("SPIO5 hw attention\n"); + + switch (bp->board & SHARED_HW_CFG_BOARD_TYPE_MASK) { + case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G: + /* Fan failure attention */ + + /* The PHY reset is controled by GPIO 1 */ + bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, + MISC_REGISTERS_GPIO_OUTPUT_LOW); + /* Low power mode is controled by GPIO 2 */ + bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, + MISC_REGISTERS_GPIO_OUTPUT_LOW); + /* mark the failure */ + bp->ext_phy_config &= + ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK; + bp->ext_phy_config |= + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE; + SHMEM_WR(bp, + dev_info.port_hw_config[port]. + external_phy_config, + bp->ext_phy_config); + /* log the failure */ + printk(KERN_ERR PFX "Fan Failure on Network" + " Controller %s has caused the driver to" + " shutdown the card to prevent permanent" + " damage. Please contact Dell Support for" + " assistance\n", bp->dev->name); + break; + + default: + break; + } + } +} + +static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn) +{ + u32 val; + + if (attn & BNX2X_DOORQ_ASSERT) { + + val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR); + BNX2X_ERR("DB hw attention 0x%x\n", val); + /* DORQ discard attention */ + if (val & 0x2) + BNX2X_ERR("FATAL error from DORQ\n"); + } +} + +static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn) +{ + u32 val; + + if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) { + + val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR); + BNX2X_ERR("CFC hw attention 0x%x\n", val); + /* CFC error attention */ + if (val & 0x2) + BNX2X_ERR("FATAL error from CFC\n"); + } + + if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) { + + val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0); + BNX2X_ERR("PXP hw attention 0x%x\n", val); + /* RQ_USDMDP_FIFO_OVERFLOW */ + if (val & 0x18000) + BNX2X_ERR("FATAL error from PXP\n"); + } +} + +static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn) +{ + if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) { + + if (attn & BNX2X_MC_ASSERT_BITS) { + + BNX2X_ERR("MC assert!\n"); + REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0); + REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0); + REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0); + REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0); + bnx2x_panic(); + + } else if (attn & BNX2X_MCP_ASSERT) { + + BNX2X_ERR("MCP assert!\n"); + REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0); + bnx2x_mc_assert(bp); + + } else + BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn); + } + + if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) { + + REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff); + BNX2X_ERR("LATCHED attention 0x%x (masked)\n", attn); + } +} + +static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted) +{ struct attn_route attn; struct attn_route group_mask; + int port = bp->port; + int index; u32 reg_addr; u32 val; @@ -4198,64 +4311,14 @@ static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted) DP(NETIF_MSG_HW, "group[%d]: %llx\n", index, (unsigned long long)group_mask.sig[0]); - if (attn.sig[3] & group_mask.sig[3] & - EVEREST_GEN_ATTN_IN_USE_MASK) { - - if (attn.sig[3] & BNX2X_MC_ASSERT_BITS) { - - BNX2X_ERR("MC assert!\n"); - bnx2x_panic(); - - } else if (attn.sig[3] & BNX2X_MCP_ASSERT) { - - BNX2X_ERR("MCP assert!\n"); - REG_WR(bp, - MISC_REG_AEU_GENERAL_ATTN_11, 0); - bnx2x_mc_assert(bp); - - } else { - BNX2X_ERR("UNKOWEN HW ASSERT!\n"); - } - } - - if (attn.sig[1] & group_mask.sig[1] & - BNX2X_DOORQ_ASSERT) { - - val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR); - BNX2X_ERR("DB hw attention 0x%x\n", val); - /* DORQ discard attention */ - if (val & 0x2) - BNX2X_ERR("FATAL error from DORQ\n"); - } - - if (attn.sig[2] & group_mask.sig[2] & - AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) { - - val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR); - BNX2X_ERR("CFC hw attention 0x%x\n", val); - /* CFC error attention */ - if (val & 0x2) - BNX2X_ERR("FATAL error from CFC\n"); - } - - if (attn.sig[2] & group_mask.sig[2] & - AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) { - - val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0); - BNX2X_ERR("PXP hw attention 0x%x\n", val); - /* RQ_USDMDP_FIFO_OVERFLOW */ - if (val & 0x18000) - BNX2X_ERR("FATAL error from PXP\n"); - } - - if (attn.sig[3] & group_mask.sig[3] & - EVEREST_LATCHED_ATTN_IN_USE_MASK) { - - REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, - 0x7ff); - DP(NETIF_MSG_HW, "got latched bits 0x%x\n", - attn.sig[3]); - } + bnx2x_attn_int_deasserted3(bp, + attn.sig[3] & group_mask.sig[3]); + bnx2x_attn_int_deasserted1(bp, + attn.sig[1] & group_mask.sig[1]); + bnx2x_attn_int_deasserted2(bp, + attn.sig[2] & group_mask.sig[2]); + bnx2x_attn_int_deasserted0(bp, + attn.sig[0] & group_mask.sig[0]); if ((attn.sig[0] & group_mask.sig[0] & HW_INTERRUT_ASSERT_SET_0) || @@ -4263,7 +4326,15 @@ static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted) HW_INTERRUT_ASSERT_SET_1) || (attn.sig[2] & group_mask.sig[2] & HW_INTERRUT_ASSERT_SET_2)) - BNX2X_ERR("FATAL HW block attention\n"); + BNX2X_ERR("FATAL HW block attention" + " set0 0x%x set1 0x%x" + " set2 0x%x\n", + (attn.sig[0] & group_mask.sig[0] & + HW_INTERRUT_ASSERT_SET_0), + (attn.sig[1] & group_mask.sig[1] & + HW_INTERRUT_ASSERT_SET_1), + (attn.sig[2] & group_mask.sig[2] & + HW_INTERRUT_ASSERT_SET_2)); if ((attn.sig[0] & group_mask.sig[0] & HW_PRTY_ASSERT_SET_0) || @@ -4271,7 +4342,7 @@ static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted) HW_PRTY_ASSERT_SET_1) || (attn.sig[2] & group_mask.sig[2] & HW_PRTY_ASSERT_SET_2)) - BNX2X_ERR("FATAL HW block parity attention\n"); + BNX2X_ERR("FATAL HW block parity attention\n"); } } @@ -4336,7 +4407,7 @@ static void bnx2x_sp_task(struct work_struct *work) /* Return here if interrupt is disabled */ if (unlikely(atomic_read(&bp->intr_sem) != 0)) { - DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n"); + DP(BNX2X_MSG_SP, "called but intr_sem not 0, returning\n"); return; } @@ -4346,12 +4417,11 @@ static void bnx2x_sp_task(struct work_struct *work) DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status); - if (status & 0x1) { - /* HW attentions */ + /* HW attentions */ + if (status & 0x1) bnx2x_attn_int(bp); - } - /* CStorm events: query_stats, cfc delete ramrods */ + /* CStorm events: query_stats, port delete ramrod */ if (status & 0x2) bp->stat_pending = 0; @@ -4365,6 +4435,7 @@ static void bnx2x_sp_task(struct work_struct *work) IGU_INT_NOP, 1); bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx), IGU_INT_ENABLE, 1); + } static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance) @@ -4374,11 +4445,11 @@ static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance) /* Return here if interrupt is disabled */ if (unlikely(atomic_read(&bp->intr_sem) != 0)) { - DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n"); + DP(BNX2X_MSG_SP, "called but intr_sem not 0, returning\n"); return IRQ_HANDLED; } - bnx2x_ack_sb(bp, 16, XSTORM_ID, 0, IGU_INT_DISABLE, 0); + bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0); #ifdef BNX2X_STOP_ON_ERROR if (unlikely(bp->panic)) -- cgit v1.2.3 From 228241eb58ad13e7cf2ddd9c92eabb5c3055cf5c Mon Sep 17 00:00:00 2001 From: Eliezer Tamir Date: Thu, 28 Feb 2008 11:56:57 -0800 Subject: [BNX2X]: fix slowpath races and locking Fixed locking between fastpath and slowpath operations. Corrected order of traffic disabling to prevent race when going down under traffic. - first have the microcode drop all incoming packets - then do the slowpath stuff - only then reset the MAC Got rid of in_reset_task. Remove_one() and friends would deference a null pointer if init_one failed. Signed-off-by: Eliezer Tamir Signed-off-by: David S. Miller --- drivers/net/bnx2x.c | 213 ++++++++++++++++++++++++++++------------------------ drivers/net/bnx2x.h | 3 - 2 files changed, 116 insertions(+), 100 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2x.c b/drivers/net/bnx2x.c index b99e3b72fac..d21599cfeb8 100644 --- a/drivers/net/bnx2x.c +++ b/drivers/net/bnx2x.c @@ -6881,14 +6881,11 @@ static void bnx2x_free_msix_irqs(struct bnx2x *bp) "state(%x)\n", i, bp->msix_table[i + 1].vector, bnx2x_fp(bp, i, state)); - if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED) { - - free_irq(bp->msix_table[i + 1].vector, &bp->fp[i]); - bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_CLOSED; - - } else - DP(NETIF_MSG_IFDOWN, "irq not freed\n"); + if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED) + BNX2X_ERR("IRQ of fp #%d being freed while " + "state != closed\n", i); + free_irq(bp->msix_table[i + 1].vector, &bp->fp[i]); } } @@ -6918,7 +6915,7 @@ static int bnx2x_enable_msix(struct bnx2x *bp) if (pci_enable_msix(bp->pdev, &bp->msix_table[0], bp->num_queues + 1)){ - BNX2X_ERR("failed to enable msix\n"); + BNX2X_LOG("failed to enable MSI-X\n"); return -1; } @@ -6935,8 +6932,6 @@ static int bnx2x_req_msix_irqs(struct bnx2x *bp) int i, rc; - DP(NETIF_MSG_IFUP, "about to request sp irq\n"); - rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0, bp->dev->name, bp->dev); @@ -6951,7 +6946,8 @@ static int bnx2x_req_msix_irqs(struct bnx2x *bp) bp->dev->name, &bp->fp[i]); if (rc) { - BNX2X_ERR("request fp #%d irq failed\n", i); + BNX2X_ERR("request fp #%d irq failed " + "rc %d\n", i, rc); bnx2x_free_msix_irqs(bp); return -EBUSY; } @@ -7084,12 +7080,13 @@ static int bnx2x_setup_multi(struct bnx2x *bp, int index) /* reset IGU state */ bnx2x_ack_sb(bp, index, CSTORM_ID, 0, IGU_INT_ENABLE, 0); + /* SETUP ramrod */ bp->fp[index].state = BNX2X_FP_STATE_OPENING; bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0); /* Wait for completion */ return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index, - &(bp->fp[index].state), 1); + &(bp->fp[index].state), 0); } @@ -7099,8 +7096,8 @@ static void bnx2x_set_rx_mode(struct net_device *dev); static int bnx2x_nic_load(struct bnx2x *bp, int req_irq) { - int rc; - int i = 0; + u32 load_code; + int i; bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD; @@ -7110,12 +7107,17 @@ static int bnx2x_nic_load(struct bnx2x *bp, int req_irq) initialized, otherwise - not. */ if (!nomcp) { - rc = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ); - if (rc == FW_MSG_CODE_DRV_LOAD_REFUSED) { + load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ); + if (!load_code) { + BNX2X_ERR("MCP response failure, unloading\n"); + return -EBUSY; + } + if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED) { + BNX2X_ERR("MCP refused load request, unloading\n"); return -EBUSY; /* other port in diagnostic mode */ } } else { - rc = FW_MSG_CODE_DRV_LOAD_COMMON; + load_code = FW_MSG_CODE_DRV_LOAD_COMMON; } /* if we can't use msix we only need one fp, @@ -7153,13 +7155,13 @@ static int bnx2x_nic_load(struct bnx2x *bp, int req_irq) if (bp->flags & USING_MSIX_FLAG) { if (bnx2x_req_msix_irqs(bp)) { pci_disable_msix(bp->pdev); - goto out_error; + goto load_error; } } else { if (bnx2x_req_irq(bp)) { BNX2X_ERR("IRQ request failed, aborting\n"); - goto out_error; + goto load_error; } } } @@ -7170,9 +7172,10 @@ static int bnx2x_nic_load(struct bnx2x *bp, int req_irq) /* Initialize HW */ - if (bnx2x_function_init(bp, (rc == FW_MSG_CODE_DRV_LOAD_COMMON))) { + if (bnx2x_function_init(bp, + (load_code == FW_MSG_CODE_DRV_LOAD_COMMON))) { BNX2X_ERR("HW init failed, aborting\n"); - goto out_error; + goto load_error; } @@ -7184,11 +7187,10 @@ static int bnx2x_nic_load(struct bnx2x *bp, int req_irq) /* Send LOAD_DONE command to MCP */ if (!nomcp) { - rc = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE); - DP(NETIF_MSG_IFUP, "rc = 0x%x\n", rc); - if (!rc) { + load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE); + if (!load_code) { BNX2X_ERR("MCP response failure, unloading\n"); - goto int_disable; + goto load_int_disable; } } @@ -7200,11 +7202,11 @@ static int bnx2x_nic_load(struct bnx2x *bp, int req_irq) napi_enable(&bnx2x_fp(bp, i, napi)); if (bnx2x_setup_leading(bp)) - goto stop_netif; + goto load_stop_netif; for_each_nondefault_queue(bp, i) if (bnx2x_setup_multi(bp, i)) - goto stop_netif; + goto load_stop_netif; bnx2x_set_mac_addr(bp); @@ -7228,42 +7230,24 @@ static int bnx2x_nic_load(struct bnx2x *bp, int req_irq) return 0; -stop_netif: +load_stop_netif: for_each_queue(bp, i) napi_disable(&bnx2x_fp(bp, i, napi)); -int_disable: +load_int_disable: bnx2x_int_disable_sync(bp); bnx2x_free_skbs(bp); bnx2x_free_irq(bp); -out_error: +load_error: bnx2x_free_mem(bp); /* TBD we really need to reset the chip if we want to recover from this */ - return rc; + return -EBUSY; } -static void bnx2x_netif_stop(struct bnx2x *bp) -{ - int i; - - bp->rx_mode = BNX2X_RX_MODE_NONE; - bnx2x_set_storm_rx_mode(bp); - - bnx2x_int_disable_sync(bp); - bnx2x_link_reset(bp); - - for_each_queue(bp, i) - napi_disable(&bnx2x_fp(bp, i, napi)); - - if (netif_running(bp->dev)) { - netif_tx_disable(bp->dev); - bp->dev->trans_start = jiffies; /* prevent tx timeout */ - } -} static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code) { @@ -7354,7 +7338,7 @@ static void bnx2x_stop_leading(struct bnx2x *bp) dsb_sp_prod_idx = *bp->dsb_sp_prod; - /* Send CFC_DELETE ramrod */ + /* Send PORT_DELETE ramrod */ bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1); /* Wait for completion to arrive on default status block @@ -7375,35 +7359,48 @@ static void bnx2x_stop_leading(struct bnx2x *bp) } -static int bnx2x_nic_unload(struct bnx2x *bp, int fre_irq) +static int bnx2x_nic_unload(struct bnx2x *bp, int free_irq) { u32 reset_code = 0; - int rc; - int i; + int i, timeout; bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT; - /* Calling flush_scheduled_work() may deadlock because - * linkwatch_event() may be on the workqueue and it will try to get - * the rtnl_lock which we are holding. - */ + del_timer_sync(&bp->timer); - while (bp->in_reset_task) - msleep(1); + bp->rx_mode = BNX2X_RX_MODE_NONE; + bnx2x_set_storm_rx_mode(bp); - /* Delete the timer: do it before disabling interrupts, as it - may be still STAT_QUERY ramrod pending after stopping the timer */ - del_timer_sync(&bp->timer); + if (netif_running(bp->dev)) { + netif_tx_disable(bp->dev); + bp->dev->trans_start = jiffies; /* prevent tx timeout */ + } + + /* Wait until all fast path tasks complete */ + for_each_queue(bp, i) { + struct bnx2x_fastpath *fp = &bp->fp[i]; + + timeout = 1000; + while (bnx2x_has_work(fp) && (timeout--)) + msleep(1); + if (!timeout) + BNX2X_ERR("timeout waiting for queue[%d]\n", i); + } /* Wait until stat ramrod returns and all SP tasks complete */ - while (bp->stat_pending && (bp->spq_left != MAX_SPQ_PENDING)) + timeout = 1000; + while ((bp->stat_pending || (bp->spq_left != MAX_SPQ_PENDING)) && + (timeout--)) msleep(1); - /* Stop fast path, disable MAC, disable interrupts, disable napi */ - bnx2x_netif_stop(bp); + for_each_queue(bp, i) + napi_disable(&bnx2x_fp(bp, i, napi)); + /* Disable interrupts after Tx and Rx are disabled on stack level */ + bnx2x_int_disable_sync(bp); if (bp->flags & NO_WOL_FLAG) reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP; + else if (bp->wol) { u32 emac_base = bp->port ? GRCBASE_EMAC0 : GRCBASE_EMAC1; u8 *mac_addr = bp->dev->dev_addr; @@ -7420,28 +7417,37 @@ static int bnx2x_nic_unload(struct bnx2x *bp, int fre_irq) EMAC_WR(EMAC_REG_EMAC_MAC_MATCH + 4, val); reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN; + } else reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS; + /* Close multi and leading connections */ for_each_nondefault_queue(bp, i) if (bnx2x_stop_multi(bp, i)) - goto error; - + goto unload_error; bnx2x_stop_leading(bp); + if ((bp->state != BNX2X_STATE_CLOSING_WAIT4_UNLOAD) || + (bp->fp[0].state != BNX2X_FP_STATE_CLOSED)) { + DP(NETIF_MSG_IFDOWN, "failed to close leading properly!" + "state 0x%x fp[0].state 0x%x", + bp->state, bp->fp[0].state); + } + +unload_error: + bnx2x_link_reset(bp); -error: if (!nomcp) - rc = bnx2x_fw_command(bp, reset_code); + reset_code = bnx2x_fw_command(bp, reset_code); else - rc = FW_MSG_CODE_DRV_UNLOAD_COMMON; + reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON; /* Release IRQs */ - if (fre_irq) + if (free_irq) bnx2x_free_irq(bp); /* Reset the chip */ - bnx2x_reset_chip(bp, rc); + bnx2x_reset_chip(bp, reset_code); /* Report UNLOAD_DONE to MCP */ if (!nomcp) @@ -7452,8 +7458,7 @@ error: bnx2x_free_mem(bp); bp->state = BNX2X_STATE_CLOSED; - /* Set link down */ - bp->link_up = 0; + netif_carrier_off(bp->dev); return 0; @@ -9468,16 +9473,13 @@ static int bnx2x_open(struct net_device *dev) /* Called with rtnl_lock */ static int bnx2x_close(struct net_device *dev) { - int rc; struct bnx2x *bp = netdev_priv(dev); /* Unload the driver, release IRQs */ - rc = bnx2x_nic_unload(bp, 1); - if (rc) { - BNX2X_ERR("bnx2x_nic_unload failed: %d\n", rc); - return rc; - } - bnx2x_set_power_state(bp, PCI_D3hot); + bnx2x_nic_unload(bp, 1); + + if (!CHIP_REV_IS_SLOW(bp)) + bnx2x_set_power_state(bp, PCI_D3hot); return 0; } @@ -9620,14 +9622,18 @@ static void bnx2x_reset_task(struct work_struct *work) if (!netif_running(bp->dev)) return; - bp->in_reset_task = 1; + rtnl_lock(); - bnx2x_netif_stop(bp); + if (bp->state != BNX2X_STATE_OPEN) { + DP(NETIF_MSG_TX_ERR, "state is %x, returning\n", bp->state); + goto reset_task_exit; + } bnx2x_nic_unload(bp, 0); bnx2x_nic_load(bp, 0); - bp->in_reset_task = 0; +reset_task_exit: + rtnl_unlock(); } static int __devinit bnx2x_init_board(struct pci_dev *pdev, @@ -9708,8 +9714,6 @@ static int __devinit bnx2x_init_board(struct pci_dev *pdev, spin_lock_init(&bp->phy_lock); - bp->in_reset_task = 0; - INIT_WORK(&bp->reset_task, bnx2x_reset_task); INIT_WORK(&bp->sp_task, bnx2x_sp_task); @@ -9916,10 +9920,16 @@ static int __devinit bnx2x_init_one(struct pci_dev *pdev, static void __devexit bnx2x_remove_one(struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata(pdev); - struct bnx2x *bp = netdev_priv(dev); + struct bnx2x *bp; + + if (!dev) { + /* we get here if init_one() fails */ + printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n"); + return; + } + + bp = netdev_priv(dev); - flush_scheduled_work(); - /*tasklet_kill(&bp->sp_task);*/ unregister_netdev(dev); if (bp->regview) @@ -9937,34 +9947,43 @@ static void __devexit bnx2x_remove_one(struct pci_dev *pdev) static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state) { struct net_device *dev = pci_get_drvdata(pdev); - struct bnx2x *bp = netdev_priv(dev); - int rc; + struct bnx2x *bp; + + if (!dev) + return 0; if (!netif_running(dev)) return 0; - rc = bnx2x_nic_unload(bp, 0); - if (!rc) - return rc; + bp = netdev_priv(dev); + + bnx2x_nic_unload(bp, 0); netif_device_detach(dev); - pci_save_state(pdev); + pci_save_state(pdev); bnx2x_set_power_state(bp, pci_choose_state(pdev, state)); + return 0; } static int bnx2x_resume(struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata(pdev); - struct bnx2x *bp = netdev_priv(dev); + struct bnx2x *bp; int rc; + if (!dev) { + printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n"); + return -ENODEV; + } + if (!netif_running(dev)) return 0; - pci_restore_state(pdev); + bp = netdev_priv(dev); + pci_restore_state(pdev); bnx2x_set_power_state(bp, PCI_D0); netif_device_attach(dev); diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h index e2a36e850fc..6a86afbc752 100644 --- a/drivers/net/bnx2x.h +++ b/drivers/net/bnx2x.h @@ -545,8 +545,6 @@ struct bnx2x { spinlock_t phy_lock; struct work_struct reset_task; - u16 in_reset_task; - struct work_struct sp_task; struct timer_list timer; @@ -560,7 +558,6 @@ struct bnx2x { #define CHIP_ID(bp) (((bp)->chip_id) & 0xfffffff0) #define CHIP_NUM(bp) (((bp)->chip_id) & 0xffff0000) -#define CHIP_NUM_5710 0x57100000 #define CHIP_REV(bp) (((bp)->chip_id) & 0x0000f000) #define CHIP_REV_Ax 0x00000000 -- cgit v1.2.3 From e8717a47266b1527e620ddf262613b9d010bbbe7 Mon Sep 17 00:00:00 2001 From: Eliezer Tamir Date: Thu, 28 Feb 2008 11:57:29 -0800 Subject: [BNX2X]: Prevent PCI queue overflow Limit traffic through an internal queue to prevent overflow. Signed-off-by: Eliezer Tamir Signed-off-by: David S. Miller --- drivers/net/bnx2x_init.h | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2x_init.h b/drivers/net/bnx2x_init.h index 04f93bff2ef..dcaecc53bdb 100644 --- a/drivers/net/bnx2x_init.h +++ b/drivers/net/bnx2x_init.h @@ -1,6 +1,6 @@ /* bnx2x_init.h: Broadcom Everest network driver. * - * Copyright (c) 2007 Broadcom Corporation + * Copyright (c) 2007-2008 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -409,7 +409,7 @@ static void bnx2x_init_pxp(struct bnx2x *bp) pci_read_config_word(bp->pdev, bp->pcie_cap + PCI_EXP_DEVCTL, (u16 *)&val); - DP(NETIF_MSG_HW, "read 0x%x from devctl\n", val); + DP(NETIF_MSG_HW, "read 0x%x from devctl\n", (u16)val); w_order = ((val & PCI_EXP_DEVCTL_PAYLOAD) >> 5); r_order = ((val & PCI_EXP_DEVCTL_READRQ) >> 12); @@ -472,10 +472,14 @@ static void bnx2x_init_pxp(struct bnx2x *bp) REG_WR(bp, PXP2_REG_PSWRQ_BW_WR, val); REG_WR(bp, PXP2_REG_RQ_WR_MBS0, w_order); - REG_WR(bp, PXP2_REG_RQ_WR_MBS0 + 8, w_order); + REG_WR(bp, PXP2_REG_RQ_WR_MBS1, w_order); REG_WR(bp, PXP2_REG_RQ_RD_MBS0, r_order); - REG_WR(bp, PXP2_REG_RQ_RD_MBS0 + 8, r_order); + REG_WR(bp, PXP2_REG_RQ_RD_MBS1, r_order); + if (r_order == MAX_RD_ORD) + REG_WR(bp, PXP2_REG_RQ_PDR_LIMIT, 0xe00); + + REG_WR(bp, PXP2_REG_WR_USDMDP_TH, (0x18 << w_order)); REG_WR(bp, PXP2_REG_WR_DMAE_TH, (128 << w_order)/16); } -- cgit v1.2.3 From 96fc1784007bf194399759e9b7d9c836c7bbda2a Mon Sep 17 00:00:00 2001 From: Eliezer Tamir Date: Thu, 28 Feb 2008 11:57:55 -0800 Subject: [BNX2X]: Fix Xmit bugs Several endianity corrections in start_xmit() Fixed TSO bug where packets were missing the TCP flags. Signed-off-by: Eliezer Tamir Signed-off-by: David S. Miller --- drivers/net/bnx2x.c | 12 +++++++----- drivers/net/bnx2x.h | 3 +++ 2 files changed, 10 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2x.c b/drivers/net/bnx2x.c index d21599cfeb8..2db0427b0c9 100644 --- a/drivers/net/bnx2x.c +++ b/drivers/net/bnx2x.c @@ -9269,7 +9269,7 @@ static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) /* for now NS flag is not used in Linux */ pbd->global_data = (len | - ((skb->protocol == ETH_P_8021Q) << + ((skb->protocol == ntohs(ETH_P_8021Q)) << ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT)); pbd->ip_hlen = ip_hdrlen(skb) / 2; pbd->total_hlen = cpu_to_le16(len + pbd->ip_hlen); @@ -9278,7 +9278,7 @@ static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM; - pbd->tcp_flags = htonl(tcp_flag_word(skb)) & 0xFFFF; + pbd->tcp_flags = pbd_tcp_flags(skb); pbd->total_hlen += cpu_to_le16(tcp_hdrlen(skb) / 2); pbd->tcp_pseudo_csum = swab16(th->check); @@ -9322,7 +9322,7 @@ static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) if (skb_shinfo(skb)->gso_size && (skb->len > (bp->dev->mtu + ETH_HLEN))) { - int hlen = 2 * le32_to_cpu(pbd->total_hlen); + int hlen = 2 * le16_to_cpu(pbd->total_hlen); DP(NETIF_MSG_TX_QUEUED, "TSO packet len %d hlen %d total len %d tso size %d\n", @@ -9439,9 +9439,11 @@ static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %u bd %d\n", nbd, bd_prod); - fp->hw_tx_prods->bds_prod += cpu_to_le16(nbd); + fp->hw_tx_prods->bds_prod = + cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd); mb(); /* FW restriction: must not reorder writing nbd and packets */ - fp->hw_tx_prods->packets_prod += cpu_to_le32(1); + fp->hw_tx_prods->packets_prod = + cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1); DOORBELL(bp, fp_index, 0); mmiowb(); diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h index 6a86afbc752..4f0c0d31e7c 100644 --- a/drivers/net/bnx2x.h +++ b/drivers/net/bnx2x.h @@ -869,6 +869,9 @@ struct bnx2x { #define PCICFG_LINK_SPEED_SHIFT 16 #define BMAC_CONTROL_RX_ENABLE 2 + +#define pbd_tcp_flags(skb) (ntohl(tcp_flag_word(tcp_hdr(skb)))>>16 & 0xff) + /* stuff added to make the code fit 80Col */ #define TPA_TYPE_START ETH_FAST_PATH_RX_CQE_START_FLG -- cgit v1.2.3 From 8d84a44096a34a5015fef8293fe1bf70068bfdd0 Mon Sep 17 00:00:00 2001 From: Eliezer Tamir Date: Thu, 28 Feb 2008 11:58:49 -0800 Subject: [BNX2X]: update version, remove CVS strings Signed-off-by: Eliezer Tamir Signed-off-by: David S. Miller --- drivers/net/bnx2x.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2x.c b/drivers/net/bnx2x.c index 2db0427b0c9..8af142ccf37 100644 --- a/drivers/net/bnx2x.c +++ b/drivers/net/bnx2x.c @@ -63,8 +63,8 @@ #include "bnx2x.h" #include "bnx2x_init.h" -#define DRV_MODULE_VERSION "0.40.15" -#define DRV_MODULE_RELDATE "$DateTime: 2007/11/15 07:28:37 $" +#define DRV_MODULE_VERSION "1.40.22" +#define DRV_MODULE_RELDATE "2007/11/27" #define BNX2X_BC_VER 0x040200 /* Time in jiffies before concluding the transmitter is hung. */ @@ -78,7 +78,6 @@ MODULE_AUTHOR("Eliezer Tamir "); MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_MODULE_VERSION); -MODULE_INFO(cvs_version, "$Revision: #404 $"); static int use_inta; static int poll; -- cgit v1.2.3 From 931506d3b2208362efc678ee863ee42a90755e89 Mon Sep 17 00:00:00 2001 From: Anantha Subramanyam Date: Thu, 28 Feb 2008 15:58:35 -0800 Subject: sata_svw: Add support for HT1100 SATA controller This patch adds support (including ATAPI DMA) for HT1100 (aka BCM11000) SATA controller. Signed-off-by: Anantha Subramanyam Signed-off-by: Jeff Garzik --- drivers/ata/sata_svw.c | 77 +++++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 63 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/sata_svw.c b/drivers/ata/sata_svw.c index 69f651e0bc9..840d1c4a785 100644 --- a/drivers/ata/sata_svw.c +++ b/drivers/ata/sata_svw.c @@ -45,6 +45,8 @@ #include #include #include +#include +#include #include #ifdef CONFIG_PPC_OF @@ -59,6 +61,7 @@ enum { /* ap->flags bits */ K2_FLAG_SATA_8_PORTS = (1 << 24), K2_FLAG_NO_ATAPI_DMA = (1 << 25), + K2_FLAG_BAR_POS_3 = (1 << 26), /* Taskfile registers offsets */ K2_SATA_TF_CMD_OFFSET = 0x00, @@ -88,8 +91,10 @@ enum { /* Port stride */ K2_SATA_PORT_OFFSET = 0x100, - board_svw4 = 0, - board_svw8 = 1, + chip_svw4 = 0, + chip_svw8 = 1, + chip_svw42 = 2, /* bar 3 */ + chip_svw43 = 3, /* bar 5 */ }; static u8 k2_stat_check_status(struct ata_port *ap); @@ -97,10 +102,25 @@ static u8 k2_stat_check_status(struct ata_port *ap); static int k2_sata_check_atapi_dma(struct ata_queued_cmd *qc) { + u8 cmnd = qc->scsicmd->cmnd[0]; + if (qc->ap->flags & K2_FLAG_NO_ATAPI_DMA) return -1; /* ATAPI DMA not supported */ + else { + switch (cmnd) { + case READ_10: + case READ_12: + case READ_16: + case WRITE_10: + case WRITE_12: + case WRITE_16: + return 0; + + default: + return -1; + } - return 0; + } } static int k2_sata_scr_read(struct ata_port *ap, unsigned int sc_reg, u32 *val) @@ -354,7 +374,7 @@ static const struct ata_port_operations k2_sata_ops = { }; static const struct ata_port_info k2_port_info[] = { - /* board_svw4 */ + /* chip_svw4 */ { .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO | K2_FLAG_NO_ATAPI_DMA, @@ -363,7 +383,7 @@ static const struct ata_port_info k2_port_info[] = { .udma_mask = ATA_UDMA6, .port_ops = &k2_sata_ops, }, - /* board_svw8 */ + /* chip_svw8 */ { .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO | K2_FLAG_NO_ATAPI_DMA | @@ -373,6 +393,24 @@ static const struct ata_port_info k2_port_info[] = { .udma_mask = ATA_UDMA6, .port_ops = &k2_sata_ops, }, + /* chip_svw42 */ + { + .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | + ATA_FLAG_MMIO | K2_FLAG_BAR_POS_3, + .pio_mask = 0x1f, + .mwdma_mask = 0x07, + .udma_mask = ATA_UDMA6, + .port_ops = &k2_sata_ops, + }, + /* chip_svw43 */ + { + .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | + ATA_FLAG_MMIO, + .pio_mask = 0x1f, + .mwdma_mask = 0x07, + .udma_mask = ATA_UDMA6, + .port_ops = &k2_sata_ops, + }, }; static void k2_sata_setup_port(struct ata_ioports *port, void __iomem *base) @@ -402,7 +440,7 @@ static int k2_sata_init_one(struct pci_dev *pdev, const struct pci_device_id *en { &k2_port_info[ent->driver_data], NULL }; struct ata_host *host; void __iomem *mmio_base; - int n_ports, i, rc; + int n_ports, i, rc, bar_pos; if (!printed_version++) dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); @@ -416,6 +454,9 @@ static int k2_sata_init_one(struct pci_dev *pdev, const struct pci_device_id *en if (!host) return -ENOMEM; + bar_pos = 5; + if (ppi[0]->flags & K2_FLAG_BAR_POS_3) + bar_pos = 3; /* * If this driver happens to only be useful on Apple's K2, then * we should check that here as it has a normal Serverworks ID @@ -428,17 +469,23 @@ static int k2_sata_init_one(struct pci_dev *pdev, const struct pci_device_id *en * Check if we have resources mapped at all (second function may * have been disabled by firmware) */ - if (pci_resource_len(pdev, 5) == 0) + if (pci_resource_len(pdev, bar_pos) == 0) { + /* In IDE mode we need to pin the device to ensure that + pcim_release does not clear the busmaster bit in config + space, clearing causes busmaster DMA to fail on + ports 3 & 4 */ + pcim_pin_device(pdev); return -ENODEV; + } /* Request and iomap PCI regions */ - rc = pcim_iomap_regions(pdev, 1 << 5, DRV_NAME); + rc = pcim_iomap_regions(pdev, 1 << bar_pos, DRV_NAME); if (rc == -EBUSY) pcim_pin_device(pdev); if (rc) return rc; host->iomap = pcim_iomap_table(pdev); - mmio_base = host->iomap[5]; + mmio_base = host->iomap[bar_pos]; /* different controllers have different number of ports - currently 4 or 8 */ /* All ports are on the same function. Multi-function device is no @@ -483,11 +530,13 @@ static int k2_sata_init_one(struct pci_dev *pdev, const struct pci_device_id *en * controller * */ static const struct pci_device_id k2_sata_pci_tbl[] = { - { PCI_VDEVICE(SERVERWORKS, 0x0240), board_svw4 }, - { PCI_VDEVICE(SERVERWORKS, 0x0241), board_svw4 }, - { PCI_VDEVICE(SERVERWORKS, 0x0242), board_svw8 }, - { PCI_VDEVICE(SERVERWORKS, 0x024a), board_svw4 }, - { PCI_VDEVICE(SERVERWORKS, 0x024b), board_svw4 }, + { PCI_VDEVICE(SERVERWORKS, 0x0240), chip_svw4 }, + { PCI_VDEVICE(SERVERWORKS, 0x0241), chip_svw4 }, + { PCI_VDEVICE(SERVERWORKS, 0x0242), chip_svw8 }, + { PCI_VDEVICE(SERVERWORKS, 0x024a), chip_svw4 }, + { PCI_VDEVICE(SERVERWORKS, 0x024b), chip_svw4 }, + { PCI_VDEVICE(SERVERWORKS, 0x0410), chip_svw42 }, + { PCI_VDEVICE(SERVERWORKS, 0x0411), chip_svw43 }, { } }; -- cgit v1.2.3 From 0aef45645174525ee6aa7baed247a130e052740d Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Fri, 29 Feb 2008 12:08:42 +0800 Subject: Blackfin Serial Driver: Fix bug - Only insert UART rx char in timer task. http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=3910 Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu --- drivers/serial/bfin_5xx.c | 23 +++++++---------------- 1 file changed, 7 insertions(+), 16 deletions(-) (limited to 'drivers') diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index 2a411748579..0aa345b9a38 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -48,7 +48,7 @@ #define DMA_RX_XCOUNT 512 #define DMA_RX_YCOUNT (PAGE_SIZE / DMA_RX_XCOUNT) -#define DMA_RX_FLUSH_JIFFIES 5 +#define DMA_RX_FLUSH_JIFFIES (HZ / 50) #ifdef CONFIG_SERIAL_BFIN_DMA static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart); @@ -393,7 +393,6 @@ static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart) { struct circ_buf *xmit = &uart->port.info->xmit; unsigned short ier; - int flags = 0; uart->tx_done = 0; @@ -491,9 +490,7 @@ static void bfin_serial_dma_rx_chars(struct bfin_serial_port *uart) void bfin_serial_rx_dma_timeout(struct bfin_serial_port *uart) { int x_pos, pos; - int flags = 0; - spin_lock_irqsave(&uart->port.lock, flags); uart->rx_dma_nrows = get_dma_curr_ycount(uart->rx_dma_channel); x_pos = get_dma_curr_xcount(uart->rx_dma_channel); uart->rx_dma_nrows = DMA_RX_YCOUNT - uart->rx_dma_nrows; @@ -509,7 +506,7 @@ void bfin_serial_rx_dma_timeout(struct bfin_serial_port *uart) bfin_serial_dma_rx_chars(uart); uart->rx_dma_buf.tail = uart->rx_dma_buf.head; } - spin_unlock_irqrestore(&uart->port.lock, flags); + uart->rx_dma_timer.expires = jiffies + DMA_RX_FLUSH_JIFFIES; add_timer(&(uart->rx_dma_timer)); } @@ -548,22 +545,16 @@ static irqreturn_t bfin_serial_dma_rx_int(int irq, void *dev_id) { struct bfin_serial_port *uart = dev_id; unsigned short irqstat; - int pos; - - uart->rx_dma_nrows = DMA_RX_YCOUNT - - get_dma_curr_ycount(uart->rx_dma_channel); - pos = DMA_RX_XCOUNT * uart->rx_dma_nrows; - if (pos != uart->rx_dma_buf.tail) { - uart->rx_dma_buf.head = pos; - bfin_serial_dma_rx_chars(uart); - uart->rx_dma_buf.tail = uart->rx_dma_buf.head; - } spin_lock(&uart->port.lock); irqstat = get_dma_curr_irqstat(uart->rx_dma_channel); clear_dma_irqstat(uart->rx_dma_channel); - spin_unlock(&uart->port.lock); + + del_timer(&(uart->rx_dma_timer)); + uart->rx_dma_timer.expires = jiffies; + add_timer(&(uart->rx_dma_timer)); + return IRQ_HANDLED; } #endif -- cgit v1.2.3 From 32fa458688fa2e68bc433929b2d4941eef7efe39 Mon Sep 17 00:00:00 2001 From: David Howells Date: Thu, 28 Feb 2008 13:29:43 +0000 Subject: Fix hpet_(un)register_irq_handler() for emulation Fix hpet_(un)register_irq_handler() for when CONFIG_HPET_EMULATE_RTC=n. They are provided macros that substitute value 0, but if they are called as functions and the return value isn't checked, the following warnings appear: drivers/char/rtc.c: In function `rtc_init': drivers/char/rtc.c:1063: warning: statement with no effect drivers/char/rtc.c: In function `rtc_exit': drivers/char/rtc.c:1157: warning: statement with no effect Signed-off-by: David Howells Signed-off-by: Linus Torvalds --- drivers/char/rtc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c index 78b151c4d20..5c3142b6f1f 100644 --- a/drivers/char/rtc.c +++ b/drivers/char/rtc.c @@ -110,8 +110,8 @@ static int rtc_has_irq = 1; #define hpet_set_rtc_irq_bit(arg) 0 #define hpet_rtc_timer_init() do { } while (0) #define hpet_rtc_dropped_irq() 0 -#define hpet_register_irq_handler(h) 0 -#define hpet_unregister_irq_handler(h) 0 +#define hpet_register_irq_handler(h) ({ 0; }) +#define hpet_unregister_irq_handler(h) ({ 0; }) #ifdef RTC_IRQ static irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id) { -- cgit v1.2.3 From b445c56815d84b9fce40707f99811bdc354458e0 Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Fri, 29 Feb 2008 19:10:51 -0500 Subject: [libata] wrap kmap_atomic(KM_IRQ0) with local_irq_save/restore() Interrupts must be disabled if using kmap_atomic(KM_IRQ0), but that was not the case in a few code paths coming directly from ATA driver interrupt handlers (which use spin_lock rather than spin_lock_irqsave). Signed-off-by: Jeff Garzik --- drivers/ata/libata-scsi.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers') diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 0562b0a49f3..7b1f1ee8131 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -1694,12 +1694,17 @@ void ata_scsi_rbuf_fill(struct ata_scsi_args *args, u8 *rbuf; unsigned int buflen, rc; struct scsi_cmnd *cmd = args->cmd; + unsigned long flags; + + local_irq_save(flags); buflen = ata_scsi_rbuf_get(cmd, &rbuf); memset(rbuf, 0, buflen); rc = actor(args, rbuf, buflen); ata_scsi_rbuf_put(cmd, rbuf); + local_irq_restore(flags); + if (rc == 0) cmd->result = SAM_STAT_GOOD; args->done(cmd); @@ -2473,6 +2478,9 @@ static void atapi_qc_complete(struct ata_queued_cmd *qc) if ((scsicmd[0] == INQUIRY) && ((scsicmd[1] & 0x03) == 0)) { u8 *buf = NULL; unsigned int buflen; + unsigned long flags; + + local_irq_save(flags); buflen = ata_scsi_rbuf_get(cmd, &buf); @@ -2490,6 +2498,8 @@ static void atapi_qc_complete(struct ata_queued_cmd *qc) } ata_scsi_rbuf_put(cmd, buf); + + local_irq_restore(flags); } cmd->result = SAM_STAT_GOOD; -- cgit v1.2.3