diff options
Diffstat (limited to 'arch')
74 files changed, 798 insertions, 491 deletions
diff --git a/arch/alpha/kernel/vmlinux.lds.S b/arch/alpha/kernel/vmlinux.lds.S index ecf4d488333..003ef4c0258 100644 --- a/arch/alpha/kernel/vmlinux.lds.S +++ b/arch/alpha/kernel/vmlinux.lds.S @@ -1,7 +1,6 @@ #include <asm-generic/vmlinux.lds.h> #include <asm/thread_info.h> #include <asm/page.h> -#include <asm/thread_info.h> OUTPUT_FORMAT("elf64-alpha") OUTPUT_ARCH(alpha) diff --git a/arch/arm/mach-ns9xxx/clock.c b/arch/arm/mach-ns9xxx/clock.c index 44ed20d4a38..cf81cbc5754 100644 --- a/arch/arm/mach-ns9xxx/clock.c +++ b/arch/arm/mach-ns9xxx/clock.c @@ -195,7 +195,7 @@ static int clk_debugfs_open(struct inode *inode, struct file *file) return single_open(file, clk_debugfs_show, NULL); } -static struct file_operations clk_debugfs_operations = { +static const struct file_operations clk_debugfs_operations = { .open = clk_debugfs_open, .read = seq_read, .llseek = seq_lseek, diff --git a/arch/arm/mach-omap1/id.c b/arch/arm/mach-omap1/id.c index 4ef26faf083..e5dcdf764c9 100644 --- a/arch/arm/mach-omap1/id.c +++ b/arch/arm/mach-omap1/id.c @@ -38,7 +38,7 @@ static struct omap_id omap_ids[] __initdata = { { .jtag_id = 0xb574, .die_rev = 0x2, .omap_id = 0x03310315, .type = 0x03100000}, { .jtag_id = 0x355f, .die_rev = 0x0, .omap_id = 0x03320000, .type = 0x07300100}, { .jtag_id = 0xb55f, .die_rev = 0x0, .omap_id = 0x03320000, .type = 0x07300300}, - { .jtag_id = 0xb55f, .die_rev = 0x0, .omap_id = 0x03320500, .type = 0x08500000}, + { .jtag_id = 0xb62c, .die_rev = 0x1, .omap_id = 0x03320500, .type = 0x08500000}, { .jtag_id = 0xb470, .die_rev = 0x0, .omap_id = 0x03310100, .type = 0x15100000}, { .jtag_id = 0xb576, .die_rev = 0x0, .omap_id = 0x03320000, .type = 0x16100000}, { .jtag_id = 0xb576, .die_rev = 0x2, .omap_id = 0x03320100, .type = 0x16110000}, diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c index bd57ec76dc5..efaf053eba8 100644 --- a/arch/arm/mach-omap2/board-3430sdp.c +++ b/arch/arm/mach-omap2/board-3430sdp.c @@ -54,7 +54,7 @@ #define TWL4030_MSECURE_GPIO 22 -static int sdp3430_keymap[] = { +static int board_keymap[] = { KEY(0, 0, KEY_LEFT), KEY(0, 1, KEY_RIGHT), KEY(0, 2, KEY_A), @@ -88,11 +88,15 @@ static int sdp3430_keymap[] = { 0 }; +static struct matrix_keymap_data board_map_data = { + .keymap = board_keymap, + .keymap_size = ARRAY_SIZE(board_keymap), +}; + static struct twl4030_keypad_data sdp3430_kp_data = { + .keymap_data = &board_map_data, .rows = 5, .cols = 6, - .keymap = sdp3430_keymap, - .keymapsize = ARRAY_SIZE(sdp3430_keymap), .rep = 1, }; diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c index ec6854cbdd9..d110a7fdfbd 100644 --- a/arch/arm/mach-omap2/board-ldp.c +++ b/arch/arm/mach-omap2/board-ldp.c @@ -80,7 +80,7 @@ static struct platform_device ldp_smsc911x_device = { }, }; -static int ldp_twl4030_keymap[] = { +static int board_keymap[] = { KEY(0, 0, KEY_1), KEY(1, 0, KEY_2), KEY(2, 0, KEY_3), @@ -101,11 +101,15 @@ static int ldp_twl4030_keymap[] = { 0 }; +static struct matrix_keymap_data board_map_data = { + .keymap = board_keymap, + .keymap_size = ARRAY_SIZE(board_keymap), +}; + static struct twl4030_keypad_data ldp_kp_twl4030_data = { + .keymap_data = &board_map_data, .rows = 6, .cols = 6, - .keymap = ldp_twl4030_keymap, - .keymapsize = ARRAY_SIZE(ldp_twl4030_keymap), .rep = 1, }; diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c index 500c9956876..70df6b4dbcd 100644 --- a/arch/arm/mach-omap2/board-omap3beagle.c +++ b/arch/arm/mach-omap2/board-omap3beagle.c @@ -139,8 +139,13 @@ static struct gpio_led gpio_leds[]; static int beagle_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio) { + if (system_rev >= 0x20 && system_rev <= 0x34301000) { + omap_cfg_reg(AG9_34XX_GPIO23); + mmc[0].gpio_wp = 23; + } else { + omap_cfg_reg(AH8_34XX_GPIO29); + } /* gpio + 0 is "mmc0_cd" (input/IRQ) */ - omap_cfg_reg(AH8_34XX_GPIO29); mmc[0].gpio_cd = gpio + 0; twl4030_mmc_init(mmc); diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c index d50b9be9058..e4ec0c59121 100644 --- a/arch/arm/mach-omap2/board-omap3evm.c +++ b/arch/arm/mach-omap2/board-omap3evm.c @@ -159,7 +159,7 @@ static struct twl4030_usb_data omap3evm_usb_data = { .usb_mode = T2_USB_MODE_ULPI, }; -static int omap3evm_keymap[] = { +static int board_keymap[] = { KEY(0, 0, KEY_LEFT), KEY(0, 1, KEY_RIGHT), KEY(0, 2, KEY_A), @@ -178,11 +178,15 @@ static int omap3evm_keymap[] = { KEY(3, 3, KEY_P) }; +static struct matrix_keymap_data board_map_data = { + .keymap = board_keymap, + .keymap_size = ARRAY_SIZE(board_keymap), +}; + static struct twl4030_keypad_data omap3evm_kp_data = { + .keymap_data = &board_map_data, .rows = 4, .cols = 4, - .keymap = omap3evm_keymap, - .keymapsize = ARRAY_SIZE(omap3evm_keymap), .rep = 1, }; diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c index b43f6e36b6d..7f6bf8772af 100644 --- a/arch/arm/mach-omap2/board-omap3pandora.c +++ b/arch/arm/mach-omap2/board-omap3pandora.c @@ -133,7 +133,7 @@ static void __init pandora_keys_gpio_init(void) omap_set_gpio_debounce_time(32 * 5, GPIO_DEBOUNCE_TIME); } -static int pandora_keypad_map[] = { +static int board_keymap[] = { /* col, row, code */ KEY(0, 0, KEY_9), KEY(0, 1, KEY_0), @@ -180,11 +180,15 @@ static int pandora_keypad_map[] = { KEY(5, 2, KEY_FN), }; +static struct matrix_keymap_data board_map_data = { + .keymap = board_keymap, + .keymap_size = ARRAY_SIZE(board_keymap), +}; + static struct twl4030_keypad_data pandora_kp_data = { + .keymap_data = &board_map_data, .rows = 8, .cols = 6, - .keymap = pandora_keypad_map, - .keymapsize = ARRAY_SIZE(pandora_keypad_map), .rep = 1, }; diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c index e6e8290b782..b45ad312c58 100644 --- a/arch/arm/mach-omap2/board-rx51-peripherals.c +++ b/arch/arm/mach-omap2/board-rx51-peripherals.c @@ -36,7 +36,7 @@ #define SYSTEM_REV_B_USES_VAUX3 0x1699 #define SYSTEM_REV_S_USES_VAUX3 0x8 -static int rx51_keymap[] = { +static int board_keymap[] = { KEY(0, 0, KEY_Q), KEY(0, 1, KEY_W), KEY(0, 2, KEY_E), @@ -83,11 +83,15 @@ static int rx51_keymap[] = { KEY(0xff, 5, KEY_F10), }; +static struct matrix_keymap_data board_map_data = { + .keymap = board_keymap, + .keymap_size = ARRAY_SIZE(board_keymap), +}; + static struct twl4030_keypad_data rx51_kp_data = { + .keymap_data = &board_map_data, .rows = 8, .cols = 8, - .keymap = rx51_keymap, - .keymapsize = ARRAY_SIZE(rx51_keymap), .rep = 1, }; diff --git a/arch/arm/mach-omap2/board-zoom2.c b/arch/arm/mach-omap2/board-zoom2.c index 324009edbd5..b7b32208ced 100644 --- a/arch/arm/mach-omap2/board-zoom2.c +++ b/arch/arm/mach-omap2/board-zoom2.c @@ -27,7 +27,7 @@ #include "mmc-twl4030.h" /* Zoom2 has Qwerty keyboard*/ -static int zoom2_twl4030_keymap[] = { +static int board_keymap[] = { KEY(0, 0, KEY_E), KEY(1, 0, KEY_R), KEY(2, 0, KEY_T), @@ -82,11 +82,15 @@ static int zoom2_twl4030_keymap[] = { 0 }; +static struct matrix_keymap_data board_map_data = { + .keymap = board_keymap, + .keymap_size = ARRAY_SIZE(board_keymap), +}; + static struct twl4030_keypad_data zoom2_kp_twl4030_data = { + .keymap_data = &board_map_data, .rows = 8, .cols = 8, - .keymap = zoom2_twl4030_keymap, - .keymapsize = ARRAY_SIZE(zoom2_twl4030_keymap), .rep = 1, }; diff --git a/arch/arm/mach-omap2/cm4xxx.c b/arch/arm/mach-omap2/cm4xxx.c index e4ebd6d5313..4af76bb1003 100644 --- a/arch/arm/mach-omap2/cm4xxx.c +++ b/arch/arm/mach-omap2/cm4xxx.c @@ -22,7 +22,6 @@ #include <asm/atomic.h> #include "cm.h" -#include "cm-regbits-4xxx.h" /* XXX move this to cm.h */ /* MAX_MODULE_READY_TIME: max milliseconds for module to leave idle */ @@ -50,19 +49,7 @@ */ int omap4_cm_wait_idlest_ready(u32 prcm_mod, u8 prcm_dev_offs) { - int i = 0; - u8 cm_id; - u16 prcm_mod_offs; - u32 mask = OMAP4_PRCM_CM_CLKCTRL_IDLEST_MASK; - - cm_id = prcm_mod >> OMAP4_PRCM_MOD_CM_ID_SHIFT; - prcm_mod_offs = prcm_mod & OMAP4_PRCM_MOD_OFFS_MASK; - - while (((omap4_cm_read_mod_reg(cm_id, prcm_mod_offs, prcm_dev_offs, - OMAP4_CM_CLKCTRL_DREG) & mask) != 0) && - (i++ < MAX_MODULE_READY_TIME)) - udelay(1); - - return (i < MAX_MODULE_READY_TIME) ? 0 : -EBUSY; + /* FIXME: Add clock manager related code */ + return 0; } diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index bcfcfc7fdb9..faf7a1e0c52 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -355,29 +355,60 @@ static struct platform_device omap2_mcspi4 = { }; #endif -static void omap_init_mcspi(void) +#ifdef CONFIG_ARCH_OMAP4 +static inline void omap4_mcspi_fixup(void) { - if (cpu_is_omap44xx()) { - omap2_mcspi1_resources[0].start = OMAP4_MCSPI1_BASE; - omap2_mcspi1_resources[0].end = OMAP4_MCSPI1_BASE + 0xff; - omap2_mcspi2_resources[0].start = OMAP4_MCSPI2_BASE; - omap2_mcspi2_resources[0].end = OMAP4_MCSPI2_BASE + 0xff; - omap2_mcspi3_resources[0].start = OMAP4_MCSPI3_BASE; - omap2_mcspi3_resources[0].end = OMAP4_MCSPI3_BASE + 0xff; - omap2_mcspi4_resources[0].start = OMAP4_MCSPI4_BASE; - omap2_mcspi4_resources[0].end = OMAP4_MCSPI4_BASE + 0xff; - } - platform_device_register(&omap2_mcspi1); - platform_device_register(&omap2_mcspi2); + omap2_mcspi1_resources[0].start = OMAP4_MCSPI1_BASE; + omap2_mcspi1_resources[0].end = OMAP4_MCSPI1_BASE + 0xff; + omap2_mcspi2_resources[0].start = OMAP4_MCSPI2_BASE; + omap2_mcspi2_resources[0].end = OMAP4_MCSPI2_BASE + 0xff; + omap2_mcspi3_resources[0].start = OMAP4_MCSPI3_BASE; + omap2_mcspi3_resources[0].end = OMAP4_MCSPI3_BASE + 0xff; + omap2_mcspi4_resources[0].start = OMAP4_MCSPI4_BASE; + omap2_mcspi4_resources[0].end = OMAP4_MCSPI4_BASE + 0xff; +} +#else +static inline void omap4_mcspi_fixup(void) +{ +} +#endif + #if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) || \ defined(CONFIG_ARCH_OMAP4) - if (cpu_is_omap2430() || cpu_is_omap343x() || cpu_is_omap44xx()) - platform_device_register(&omap2_mcspi3); +static inline void omap2_mcspi3_init(void) +{ + platform_device_register(&omap2_mcspi3); +} +#else +static inline void omap2_mcspi3_init(void) +{ +} #endif + #if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) - if (cpu_is_omap343x() || cpu_is_omap44xx()) - platform_device_register(&omap2_mcspi4); +static inline void omap2_mcspi4_init(void) +{ + platform_device_register(&omap2_mcspi4); +} +#else +static inline void omap2_mcspi4_init(void) +{ +} #endif + +static void omap_init_mcspi(void) +{ + if (cpu_is_omap44xx()) + omap4_mcspi_fixup(); + + platform_device_register(&omap2_mcspi1); + platform_device_register(&omap2_mcspi2); + + if (cpu_is_omap2430() || cpu_is_omap343x() || cpu_is_omap44xx()) + omap2_mcspi3_init(); + + if (cpu_is_omap343x() || cpu_is_omap44xx()) + omap2_mcspi4_init(); } #else diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index 7574b6f20e8..e3a3bad1d84 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -294,10 +294,10 @@ void __init omap2_init_common_hw(struct omap_sdrc_params *sdrc_cs0, else if (cpu_is_omap34xx()) hwmods = omap34xx_hwmods; - omap_hwmod_init(hwmods); - omap2_mux_init(); #ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once the clkdev is ready */ /* The OPP tables have to be registered before a clk init */ + omap_hwmod_init(hwmods); + omap2_mux_init(); omap_pm_if_early_init(mpu_opps, dsp_opps, l3_opps); pwrdm_init(powerdomains_omap); clkdm_init(clockdomains_omap, clkdm_pwrdm_autodeps); diff --git a/arch/arm/mach-omap2/iommu2.c b/arch/arm/mach-omap2/iommu2.c index 2d9b5cc981c..4a0e1cd5c1f 100644 --- a/arch/arm/mach-omap2/iommu2.c +++ b/arch/arm/mach-omap2/iommu2.c @@ -79,7 +79,7 @@ static int omap2_iommu_enable(struct iommu *obj) l = iommu_read_reg(obj, MMU_SYSSTATUS); if (l & MMU_SYS_RESETDONE) break; - } while (time_after(jiffies, timeout)); + } while (!time_after(jiffies, timeout)); if (!(l & MMU_SYS_RESETDONE)) { dev_err(obj->dev, "can't take mmu out of reset\n"); diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c index 6f71f3730c9..c035ad3426d 100644 --- a/arch/arm/mach-omap2/mailbox.c +++ b/arch/arm/mach-omap2/mailbox.c @@ -30,6 +30,14 @@ #define MAILBOX_IRQ_NEWMSG(u) (1 << (2 * (u))) #define MAILBOX_IRQ_NOTFULL(u) (1 << (2 * (u) + 1)) +/* SYSCONFIG: register bit definition */ +#define AUTOIDLE (1 << 0) +#define SOFTRESET (1 << 1) +#define SMARTIDLE (2 << 3) + +/* SYSSTATUS: register bit definition */ +#define RESETDONE (1 << 0) + #define MBOX_REG_SIZE 0x120 #define MBOX_NR_REGS (MBOX_REG_SIZE / sizeof(u32)) @@ -69,21 +77,33 @@ static inline void mbox_write_reg(u32 val, size_t ofs) /* Mailbox H/W preparations */ static int omap2_mbox_startup(struct omap_mbox *mbox) { - unsigned int l; + u32 l; + unsigned long timeout; mbox_ick_handle = clk_get(NULL, "mailboxes_ick"); if (IS_ERR(mbox_ick_handle)) { - printk("Could not get mailboxes_ick\n"); + pr_err("Can't get mailboxes_ick\n"); return -ENODEV; } clk_enable(mbox_ick_handle); + mbox_write_reg(SOFTRESET, MAILBOX_SYSCONFIG); + timeout = jiffies + msecs_to_jiffies(20); + do { + l = mbox_read_reg(MAILBOX_SYSSTATUS); + if (l & RESETDONE) + break; + } while (!time_after(jiffies, timeout)); + + if (!(l & RESETDONE)) { + pr_err("Can't take mmu out of reset\n"); + return -ENODEV; + } + l = mbox_read_reg(MAILBOX_REVISION); pr_info("omap mailbox rev %d.%d\n", (l & 0xf0) >> 4, (l & 0x0f)); - /* set smart-idle & autoidle */ - l = mbox_read_reg(MAILBOX_SYSCONFIG); - l |= 0x00000011; + l = SMARTIDLE | AUTOIDLE; mbox_write_reg(l, MAILBOX_SYSCONFIG); omap2_mbox_enable_irq(mbox, IRQ_RX); @@ -156,6 +176,9 @@ static void omap2_mbox_ack_irq(struct omap_mbox *mbox, u32 bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit; mbox_write_reg(bit, p->irqstatus); + + /* Flush posted write for irq status to avoid spurious interrupts */ + mbox_read_reg(p->irqstatus); } static int omap2_mbox_is_irq(struct omap_mbox *mbox, diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c index 2daa595aaff..b5fac32aae7 100644 --- a/arch/arm/mach-omap2/mux.c +++ b/arch/arm/mach-omap2/mux.c @@ -460,6 +460,8 @@ MUX_CFG_34XX("AF26_34XX_GPIO0", 0x1e0, OMAP34XX_MUX_MODE4 | OMAP34XX_PIN_INPUT) MUX_CFG_34XX("AF22_34XX_GPIO9", 0xa18, OMAP34XX_MUX_MODE4 | OMAP34XX_PIN_INPUT) +MUX_CFG_34XX("AG9_34XX_GPIO23", 0x5ee, + OMAP34XX_MUX_MODE4 | OMAP34XX_PIN_INPUT) MUX_CFG_34XX("AH8_34XX_GPIO29", 0x5fa, OMAP34XX_MUX_MODE4 | OMAP34XX_PIN_INPUT) MUX_CFG_34XX("U8_34XX_GPIO54_OUT", 0x0b4, @@ -472,6 +474,8 @@ MUX_CFG_34XX("G25_34XX_GPIO86_OUT", 0x0fc, OMAP34XX_MUX_MODE4 | OMAP34XX_PIN_OUTPUT) MUX_CFG_34XX("AG4_34XX_GPIO134_OUT", 0x160, OMAP34XX_MUX_MODE4 | OMAP34XX_PIN_OUTPUT) +MUX_CFG_34XX("AF4_34XX_GPIO135_OUT", 0x162, + OMAP34XX_MUX_MODE4 | OMAP34XX_PIN_OUTPUT) MUX_CFG_34XX("AE4_34XX_GPIO136_OUT", 0x164, OMAP34XX_MUX_MODE4 | OMAP34XX_PIN_OUTPUT) MUX_CFG_34XX("AF6_34XX_GPIO140_UP", 0x16c, diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c index 3a529c77daa..ae2186892c8 100644 --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -110,7 +110,7 @@ static struct plat_serial8250_port serial_platform_data2[] = { .uartclk = OMAP24XX_BASE_BAUD * 16, }, { #ifdef CONFIG_ARCH_OMAP4 - .membase = IO_ADDRESS(OMAP_UART4_BASE), + .membase = OMAP2_IO_ADDRESS(OMAP_UART4_BASE), .mapbase = OMAP_UART4_BASE, .irq = 70, .flags = UPF_BOOT_AUTOCONF, @@ -126,7 +126,7 @@ static struct plat_serial8250_port serial_platform_data2[] = { #ifdef CONFIG_ARCH_OMAP4 static struct plat_serial8250_port serial_platform_data3[] = { { - .membase = IO_ADDRESS(OMAP_UART4_BASE), + .membase = OMAP2_IO_ADDRESS(OMAP_UART4_BASE), .mapbase = OMAP_UART4_BASE, .irq = 70, .flags = UPF_BOOT_AUTOCONF, @@ -579,7 +579,7 @@ static struct omap_uart_state omap_uart[OMAP_MAX_NR_PORTS] = { { .pdev = { .name = "serial8250", - .id = 3 + .id = 3, .dev = { .platform_data = serial_platform_data3, }, diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c index 693839c89ad..71ebd7fcfea 100644 --- a/arch/arm/plat-omap/gpio.c +++ b/arch/arm/plat-omap/gpio.c @@ -250,7 +250,7 @@ static struct gpio_bank gpio_bank_730[7] = { #ifdef CONFIG_ARCH_OMAP850 static struct gpio_bank gpio_bank_850[7] = { - { OMAP1_MPUIO_BASE, INT_850_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO }, + { OMAP1_MPUIO_VBASE, INT_850_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO }, { OMAP850_GPIO1_BASE, INT_850_GPIO_BANK1, IH_GPIO_BASE, METHOD_GPIO_850 }, { OMAP850_GPIO2_BASE, INT_850_GPIO_BANK2, IH_GPIO_BASE + 32, METHOD_GPIO_850 }, { OMAP850_GPIO3_BASE, INT_850_GPIO_BANK3, IH_GPIO_BASE + 64, METHOD_GPIO_850 }, diff --git a/arch/arm/plat-omap/include/mach/keypad.h b/arch/arm/plat-omap/include/mach/keypad.h index 45ea3ae3c99..d91b9be334f 100644 --- a/arch/arm/plat-omap/include/mach/keypad.h +++ b/arch/arm/plat-omap/include/mach/keypad.h @@ -10,6 +10,8 @@ #ifndef ASMARM_ARCH_KEYPAD_H #define ASMARM_ARCH_KEYPAD_H +#include <linux/input/matrix_keypad.h> + struct omap_kp_platform_data { int rows; int cols; @@ -35,9 +37,6 @@ struct omap_kp_platform_data { #define KEY_PERSISTENT 0x00800000 #define KEYNUM_MASK 0x00EFFFFF -#define KEY(col, row, val) (((col) << 28) | ((row) << 24) | (val)) -#define PERSISTENT_KEY(col, row) (((col) << 28) | ((row) << 24) | \ - KEY_PERSISTENT) #endif diff --git a/arch/arm/plat-omap/include/mach/mux.h b/arch/arm/plat-omap/include/mach/mux.h index 98dfab651df..0f49d2d563d 100644 --- a/arch/arm/plat-omap/include/mach/mux.h +++ b/arch/arm/plat-omap/include/mach/mux.h @@ -840,12 +840,14 @@ enum omap34xx_index { */ AF26_34XX_GPIO0, AF22_34XX_GPIO9, + AG9_34XX_GPIO23, AH8_34XX_GPIO29, U8_34XX_GPIO54_OUT, U8_34XX_GPIO54_DOWN, L8_34XX_GPIO63, G25_34XX_GPIO86_OUT, AG4_34XX_GPIO134_OUT, + AF4_34XX_GPIO135_OUT, AE4_34XX_GPIO136_OUT, AF6_34XX_GPIO140_UP, AE6_34XX_GPIO141, diff --git a/arch/arm/plat-omap/iovmm.c b/arch/arm/plat-omap/iovmm.c index 6fc52fcbdc0..57f7122a091 100644 --- a/arch/arm/plat-omap/iovmm.c +++ b/arch/arm/plat-omap/iovmm.c @@ -199,7 +199,8 @@ static void *vmap_sg(const struct sg_table *sgt) va += bytes; } - flush_cache_vmap(new->addr, new->addr + total); + flush_cache_vmap((unsigned long)new->addr, + (unsigned long)(new->addr + total)); return new->addr; err_out: @@ -390,7 +391,7 @@ static void sgtable_fill_vmalloc(struct sg_table *sgt, void *_va) } va_end = _va + PAGE_SIZE * i; - flush_cache_vmap(_va, va_end); + flush_cache_vmap((unsigned long)_va, (unsigned long)va_end); } static inline void sgtable_drain_vmalloc(struct sg_table *sgt) diff --git a/arch/arm/plat-s3c24xx/include/plat/mci.h b/arch/arm/plat-s3c24xx/include/plat/mci.h index 2d0852ac3b2..c2cef613968 100644 --- a/arch/arm/plat-s3c24xx/include/plat/mci.h +++ b/arch/arm/plat-s3c24xx/include/plat/mci.h @@ -2,8 +2,11 @@ #define _ARCH_MCI_H struct s3c24xx_mci_pdata { + unsigned int no_wprotect : 1; + unsigned int no_detect : 1; unsigned int wprotect_invert : 1; unsigned int detect_invert : 1; /* set => detect active high. */ + unsigned int use_dma : 1; unsigned int gpio_detect; unsigned int gpio_wprotect; diff --git a/arch/blackfin/mach-bf561/coreb.c b/arch/blackfin/mach-bf561/coreb.c index 93635a766f9..1e60a92dd60 100644 --- a/arch/blackfin/mach-bf561/coreb.c +++ b/arch/blackfin/mach-bf561/coreb.c @@ -48,7 +48,7 @@ coreb_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned l return ret; } -static struct file_operations coreb_fops = { +static const struct file_operations coreb_fops = { .owner = THIS_MODULE, .ioctl = coreb_ioctl, }; diff --git a/arch/cris/arch-v10/drivers/sync_serial.c b/arch/cris/arch-v10/drivers/sync_serial.c index 6cc1a0319a5..562b9a7feae 100644 --- a/arch/cris/arch-v10/drivers/sync_serial.c +++ b/arch/cris/arch-v10/drivers/sync_serial.c @@ -244,7 +244,7 @@ static unsigned sync_serial_prescale_shadow; #define NUMBER_OF_PORTS 2 -static struct file_operations sync_serial_fops = { +static const struct file_operations sync_serial_fops = { .owner = THIS_MODULE, .write = sync_serial_write, .read = sync_serial_read, diff --git a/arch/cris/arch-v32/drivers/mach-fs/gpio.c b/arch/cris/arch-v32/drivers/mach-fs/gpio.c index fe1fde89388..d89ab80498e 100644 --- a/arch/cris/arch-v32/drivers/mach-fs/gpio.c +++ b/arch/cris/arch-v32/drivers/mach-fs/gpio.c @@ -855,7 +855,7 @@ gpio_leds_ioctl(unsigned int cmd, unsigned long arg) return 0; } -struct file_operations gpio_fops = { +static const struct file_operations gpio_fops = { .owner = THIS_MODULE, .poll = gpio_poll, .ioctl = gpio_ioctl, diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 6851e52ed5a..1ee596cd942 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -60,9 +60,7 @@ config IOMMU_HELPER bool config GENERIC_LOCKBREAK - bool - default y - depends on SMP && PREEMPT + def_bool n config RWSEM_XCHGADD_ALGORITHM bool diff --git a/arch/ia64/ia32/binfmt_elf32.c b/arch/ia64/ia32/binfmt_elf32.c index f92bdaac897..c69552bf893 100644 --- a/arch/ia64/ia32/binfmt_elf32.c +++ b/arch/ia64/ia32/binfmt_elf32.c @@ -69,11 +69,11 @@ ia32_install_gate_page (struct vm_area_struct *vma, struct vm_fault *vmf) } -static struct vm_operations_struct ia32_shared_page_vm_ops = { +static const struct vm_operations_struct ia32_shared_page_vm_ops = { .fault = ia32_install_shared_page }; -static struct vm_operations_struct ia32_gate_page_vm_ops = { +static const struct vm_operations_struct ia32_gate_page_vm_ops = { .fault = ia32_install_gate_page }; diff --git a/arch/ia64/include/asm/acpi.h b/arch/ia64/include/asm/acpi.h index 0f82cc2934e..91df9686a0d 100644 --- a/arch/ia64/include/asm/acpi.h +++ b/arch/ia64/include/asm/acpi.h @@ -89,10 +89,12 @@ ia64_acpi_release_global_lock (unsigned int *lock) #define ACPI_RELEASE_GLOBAL_LOCK(facs, Acq) \ ((Acq) = ia64_acpi_release_global_lock(&facs->global_lock)) +#ifdef CONFIG_ACPI #define acpi_disabled 0 /* ACPI always enabled on IA64 */ #define acpi_noirq 0 /* ACPI always enabled on IA64 */ #define acpi_pci_disabled 0 /* ACPI PCI always enabled on IA64 */ #define acpi_strict 1 /* no ACPI spec workarounds on IA64 */ +#endif #define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */ static inline void disable_acpi(void) { } diff --git a/arch/ia64/include/asm/spinlock.h b/arch/ia64/include/asm/spinlock.h index 13ab71576bc..30bb930e111 100644 --- a/arch/ia64/include/asm/spinlock.h +++ b/arch/ia64/include/asm/spinlock.h @@ -19,103 +19,106 @@ #define __raw_spin_lock_init(x) ((x)->lock = 0) -#ifdef ASM_SUPPORTED /* - * Try to get the lock. If we fail to get the lock, make a non-standard call to - * ia64_spinlock_contention(). We do not use a normal call because that would force all - * callers of __raw_spin_lock() to be non-leaf routines. Instead, ia64_spinlock_contention() is - * carefully coded to touch only those registers that __raw_spin_lock() marks "clobbered". + * Ticket locks are conceptually two parts, one indicating the current head of + * the queue, and the other indicating the current tail. The lock is acquired + * by atomically noting the tail and incrementing it by one (thus adding + * ourself to the queue and noting our position), then waiting until the head + * becomes equal to the the initial value of the tail. + * + * 63 32 31 0 + * +----------------------------------------------------+ + * | next_ticket_number | now_serving | + * +----------------------------------------------------+ */ -#define IA64_SPINLOCK_CLOBBERS "ar.ccv", "ar.pfs", "p14", "p15", "r27", "r28", "r29", "r30", "b6", "memory" +#define TICKET_SHIFT 32 -static inline void -__raw_spin_lock_flags (raw_spinlock_t *lock, unsigned long flags) +static __always_inline void __ticket_spin_lock(raw_spinlock_t *lock) { - register volatile unsigned int *ptr asm ("r31") = &lock->lock; - -#if (__GNUC__ == 3 && __GNUC_MINOR__ < 3) -# ifdef CONFIG_ITANIUM - /* don't use brl on Itanium... */ - asm volatile ("{\n\t" - " mov ar.ccv = r0\n\t" - " mov r28 = ip\n\t" - " mov r30 = 1;;\n\t" - "}\n\t" - "cmpxchg4.acq r30 = [%1], r30, ar.ccv\n\t" - "movl r29 = ia64_spinlock_contention_pre3_4;;\n\t" - "cmp4.ne p14, p0 = r30, r0\n\t" - "mov b6 = r29;;\n\t" - "mov r27=%2\n\t" - "(p14) br.cond.spnt.many b6" - : "=r"(ptr) : "r"(ptr), "r" (flags) : IA64_SPINLOCK_CLOBBERS); -# else - asm volatile ("{\n\t" - " mov ar.ccv = r0\n\t" - " mov r28 = ip\n\t" - " mov r30 = 1;;\n\t" - "}\n\t" - "cmpxchg4.acq r30 = [%1], r30, ar.ccv;;\n\t" - "cmp4.ne p14, p0 = r30, r0\n\t" - "mov r27=%2\n\t" - "(p14) brl.cond.spnt.many ia64_spinlock_contention_pre3_4;;" - : "=r"(ptr) : "r"(ptr), "r" (flags) : IA64_SPINLOCK_CLOBBERS); -# endif /* CONFIG_MCKINLEY */ -#else -# ifdef CONFIG_ITANIUM - /* don't use brl on Itanium... */ - /* mis-declare, so we get the entry-point, not it's function descriptor: */ - asm volatile ("mov r30 = 1\n\t" - "mov r27=%2\n\t" - "mov ar.ccv = r0;;\n\t" - "cmpxchg4.acq r30 = [%0], r30, ar.ccv\n\t" - "movl r29 = ia64_spinlock_contention;;\n\t" - "cmp4.ne p14, p0 = r30, r0\n\t" - "mov b6 = r29;;\n\t" - "(p14) br.call.spnt.many b6 = b6" - : "=r"(ptr) : "r"(ptr), "r" (flags) : IA64_SPINLOCK_CLOBBERS); -# else - asm volatile ("mov r30 = 1\n\t" - "mov r27=%2\n\t" - "mov ar.ccv = r0;;\n\t" - "cmpxchg4.acq r30 = [%0], r30, ar.ccv;;\n\t" - "cmp4.ne p14, p0 = r30, r0\n\t" - "(p14) brl.call.spnt.many b6=ia64_spinlock_contention;;" - : "=r"(ptr) : "r"(ptr), "r" (flags) : IA64_SPINLOCK_CLOBBERS); -# endif /* CONFIG_MCKINLEY */ -#endif + int *p = (int *)&lock->lock, turn, now_serving; + + now_serving = *p; + turn = ia64_fetchadd(1, p+1, acq); + + if (turn == now_serving) + return; + + do { + cpu_relax(); + } while (ACCESS_ONCE(*p) != turn); } -#define __raw_spin_lock(lock) __raw_spin_lock_flags(lock, 0) +static __always_inline int __ticket_spin_trylock(raw_spinlock_t *lock) +{ + long tmp = ACCESS_ONCE(lock->lock), try; -/* Unlock by doing an ordered store and releasing the cacheline with nta */ -static inline void __raw_spin_unlock(raw_spinlock_t *x) { - barrier(); - asm volatile ("st4.rel.nta [%0] = r0\n\t" :: "r"(x)); + if (!(((tmp >> TICKET_SHIFT) ^ tmp) & ((1L << TICKET_SHIFT) - 1))) { + try = tmp + (1L << TICKET_SHIFT); + + return ia64_cmpxchg(acq, &lock->lock, tmp, try, sizeof (tmp)) == tmp; + } + return 0; } -#else /* !ASM_SUPPORTED */ -#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock) -# define __raw_spin_lock(x) \ -do { \ - __u32 *ia64_spinlock_ptr = (__u32 *) (x); \ - __u64 ia64_spinlock_val; \ - ia64_spinlock_val = ia64_cmpxchg4_acq(ia64_spinlock_ptr, 1, 0); \ - if (unlikely(ia64_spinlock_val)) { \ - do { \ - while (*ia64_spinlock_ptr) \ - ia64_barrier(); \ - ia64_spinlock_val = ia64_cmpxchg4_acq(ia64_spinlock_ptr, 1, 0); \ - } while (ia64_spinlock_val); \ - } \ -} while (0) -#define __raw_spin_unlock(x) do { barrier(); ((raw_spinlock_t *) x)->lock = 0; } while (0) -#endif /* !ASM_SUPPORTED */ +static __always_inline void __ticket_spin_unlock(raw_spinlock_t *lock) +{ + int *p = (int *)&lock->lock; + + (void)ia64_fetchadd(1, p, rel); +} + +static inline int __ticket_spin_is_locked(raw_spinlock_t *lock) +{ + long tmp = ACCESS_ONCE(lock->lock); + + return !!(((tmp >> TICKET_SHIFT) ^ tmp) & ((1L << TICKET_SHIFT) - 1)); +} + +static inline int __ticket_spin_is_contended(raw_spinlock_t *lock) +{ + long tmp = ACCESS_ONCE(lock->lock); -#define __raw_spin_is_locked(x) ((x)->lock != 0) -#define __raw_spin_trylock(x) (cmpxchg_acq(&(x)->lock, 0, 1) == 0) -#define __raw_spin_unlock_wait(lock) \ - do { while (__raw_spin_is_locked(lock)) cpu_relax(); } while (0) + return (((tmp >> TICKET_SHIFT) - tmp) & ((1L << TICKET_SHIFT) - 1)) > 1; +} + +static inline int __raw_spin_is_locked(raw_spinlock_t *lock) +{ + return __ticket_spin_is_locked(lock); +} + +static inline int __raw_spin_is_contended(raw_spinlock_t *lock) +{ + return __ticket_spin_is_contended(lock); +} +#define __raw_spin_is_contended __raw_spin_is_contended + +static __always_inline void __raw_spin_lock(raw_spinlock_t *lock) +{ + __ticket_spin_lock(lock); +} + +static __always_inline int __raw_spin_trylock(raw_spinlock_t *lock) +{ + return __ticket_spin_trylock(lock); +} + +static __always_inline void __raw_spin_unlock(raw_spinlock_t *lock) +{ + __ticket_spin_unlock(lock); +} + +static __always_inline void __raw_spin_lock_flags(raw_spinlock_t *lock, + unsigned long flags) +{ + __raw_spin_lock(lock); +} + +static inline void __raw_spin_unlock_wait(raw_spinlock_t *lock) +{ + while (__raw_spin_is_locked(lock)) + cpu_relax(); +} #define __raw_read_can_lock(rw) (*(volatile int *)(rw) >= 0) #define __raw_write_can_lock(rw) (*(volatile int *)(rw) == 0) diff --git a/arch/ia64/include/asm/spinlock_types.h b/arch/ia64/include/asm/spinlock_types.h index 474e46f1ab4..b61d136d9bc 100644 --- a/arch/ia64/include/asm/spinlock_types.h +++ b/arch/ia64/include/asm/spinlock_types.h @@ -6,7 +6,7 @@ #endif typedef struct { - volatile unsigned int lock; + volatile unsigned long lock; } raw_spinlock_t; #define __RAW_SPIN_LOCK_UNLOCKED { 0 } diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S index 1a6e44515eb..696eff28a0c 100644 --- a/arch/ia64/kernel/head.S +++ b/arch/ia64/kernel/head.S @@ -1130,95 +1130,6 @@ SET_REG(b5); #endif /* CONFIG_IA64_BRL_EMU */ #ifdef CONFIG_SMP - /* - * This routine handles spinlock contention. It uses a non-standard calling - * convention to avoid converting leaf routines into interior routines. Because - * of this special convention, there are several restrictions: - * - * - do not use gp relative variables, this code is called from the kernel - * and from modules, r1 is undefined. - * - do not use stacked registers, the caller owns them. - * - do not use the scratch stack space, the caller owns it. - * - do not use any registers other than the ones listed below - * - * Inputs: - * ar.pfs - saved CFM of caller - * ar.ccv - 0 (and available for use) - * r27 - flags from spin_lock_irqsave or 0. Must be preserved. - * r28 - available for use. - * r29 - available for use. - * r30 - available for use. - * r31 - address of lock, available for use. - * b6 - return address - * p14 - available for use. - * p15 - used to track flag status. - * - * If you patch this code to use more registers, do not forget to update - * the clobber lists for spin_lock() in arch/ia64/include/asm/spinlock.h. - */ - -#if (__GNUC__ == 3 && __GNUC_MINOR__ < 3) - -GLOBAL_ENTRY(ia64_spinlock_contention_pre3_4) - .prologue - .save ar.pfs, r0 // this code effectively has a zero frame size - .save rp, r28 - .body - nop 0 - tbit.nz p15,p0=r27,IA64_PSR_I_BIT - .restore sp // pop existing prologue after next insn - mov b6 = r28 - .prologue - .save ar.pfs, r0 - .altrp b6 - .body - ;; -(p15) ssm psr.i // reenable interrupts if they were on - // DavidM says that srlz.d is slow and is not required in this case -.wait: - // exponential backoff, kdb, lockmeter etc. go in here - hint @pause - ld4 r30=[r31] // don't use ld4.bias; if it's contended, we won't write the word - nop 0 - ;; - cmp4.ne p14,p0=r30,r0 -(p14) br.cond.sptk.few .wait -(p15) rsm psr.i // disable interrupts if we reenabled them - br.cond.sptk.few b6 // lock is now free, try to acquire - .global ia64_spinlock_contention_pre3_4_end // for kernprof -ia64_spinlock_contention_pre3_4_end: -END(ia64_spinlock_contention_pre3_4) - -#else - -GLOBAL_ENTRY(ia64_spinlock_contention) - .prologue - .altrp b6 - .body - tbit.nz p15,p0=r27,IA64_PSR_I_BIT - ;; -.wait: -(p15) ssm psr.i // reenable interrupts if they were on - // DavidM says that srlz.d is slow and is not required in this case -.wait2: - // exponential backoff, kdb, lockmeter etc. go in here - hint @pause - ld4 r30=[r31] // don't use ld4.bias; if it's contended, we won't write the word - ;; - cmp4.ne p14,p0=r30,r0 - mov r30 = 1 -(p14) br.cond.sptk.few .wait2 -(p15) rsm psr.i // disable interrupts if we reenabled them - ;; - cmpxchg4.acq r30=[r31], r30, ar.ccv - ;; - cmp4.ne p14,p0=r0,r30 -(p14) br.cond.sptk.few .wait - - br.ret.sptk.many b6 // lock is now taken -END(ia64_spinlock_contention) - -#endif #ifdef CONFIG_HOTPLUG_CPU GLOBAL_ENTRY(ia64_jump_to_sal) diff --git a/arch/ia64/kernel/ia64_ksyms.c b/arch/ia64/kernel/ia64_ksyms.c index 8ebccb589e1..14d39e30062 100644 --- a/arch/ia64/kernel/ia64_ksyms.c +++ b/arch/ia64/kernel/ia64_ksyms.c @@ -84,26 +84,6 @@ EXPORT_SYMBOL(ia64_save_scratch_fpregs); #include <asm/unwind.h> EXPORT_SYMBOL(unw_init_running); -#ifdef ASM_SUPPORTED -# ifdef CONFIG_SMP -# if (__GNUC__ == 3 && __GNUC_MINOR__ < 3) -/* - * This is not a normal routine and we don't want a function descriptor for it, so we use - * a fake declaration here. - */ -extern char ia64_spinlock_contention_pre3_4; -EXPORT_SYMBOL(ia64_spinlock_contention_pre3_4); -# else -/* - * This is not a normal routine and we don't want a function descriptor for it, so we use - * a fake declaration here. - */ -extern char ia64_spinlock_contention; -EXPORT_SYMBOL(ia64_spinlock_contention); -# endif -# endif -#endif - #if defined(CONFIG_IA64_ESI) || defined(CONFIG_IA64_ESI_MODULE) extern void esi_call_phys (void); EXPORT_SYMBOL_GPL(esi_call_phys); diff --git a/arch/ia64/oprofile/backtrace.c b/arch/ia64/oprofile/backtrace.c index adb01566bd5..5cdd7e4a597 100644 --- a/arch/ia64/oprofile/backtrace.c +++ b/arch/ia64/oprofile/backtrace.c @@ -32,24 +32,6 @@ typedef struct u64 *prev_pfs_loc; /* state for WAR for old spinlock ool code */ } ia64_backtrace_t; -#if (__GNUC__ == 3 && __GNUC_MINOR__ < 3) -/* - * Returns non-zero if the PC is in the spinlock contention out-of-line code - * with non-standard calling sequence (on older compilers). - */ -static __inline__ int in_old_ool_spinlock_code(unsigned long pc) -{ - extern const char ia64_spinlock_contention_pre3_4[] __attribute__ ((weak)); - extern const char ia64_spinlock_contention_pre3_4_end[] __attribute__ ((weak)); - unsigned long sc_start = (unsigned long)ia64_spinlock_contention_pre3_4; - unsigned long sc_end = (unsigned long)ia64_spinlock_contention_pre3_4_end; - return (sc_start && sc_end && pc >= sc_start && pc < sc_end); -} -#else -/* Newer spinlock code does a proper br.call and works fine with the unwinder */ -#define in_old_ool_spinlock_code(pc) 0 -#endif - /* Returns non-zero if the PC is in the Interrupt Vector Table */ static __inline__ int in_ivt_code(unsigned long pc) { @@ -80,7 +62,7 @@ static __inline__ int next_frame(ia64_backtrace_t *bt) */ if (bt->prev_pfs_loc && bt->regs && bt->frame.pfs_loc == bt->prev_pfs_loc) bt->frame.pfs_loc = &bt->regs->ar_pfs; - bt->prev_pfs_loc = (in_old_ool_spinlock_code(bt->frame.ip) ? bt->frame.pfs_loc : NULL); + bt->prev_pfs_loc = NULL; return unw_unwind(&bt->frame) == 0; } diff --git a/arch/m68k/include/asm/hardirq_mm.h b/arch/m68k/include/asm/hardirq_mm.h index 554f65b6cd3..394ee946015 100644 --- a/arch/m68k/include/asm/hardirq_mm.h +++ b/arch/m68k/include/asm/hardirq_mm.h @@ -1,8 +1,16 @@ #ifndef __M68K_HARDIRQ_H #define __M68K_HARDIRQ_H -#define HARDIRQ_BITS 8 +#include <linux/threads.h> +#include <linux/cache.h> + +/* entry.S is sensitive to the offsets of these fields */ +typedef struct { + unsigned int __softirq_pending; +} ____cacheline_aligned irq_cpustat_t; -#include <asm-generic/hardirq.h> +#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ + +#define HARDIRQ_BITS 8 #endif diff --git a/arch/mips/alchemy/common/dbdma.c b/arch/mips/alchemy/common/dbdma.c index 3ab6d80d150..19c1c82849f 100644 --- a/arch/mips/alchemy/common/dbdma.c +++ b/arch/mips/alchemy/common/dbdma.c @@ -175,7 +175,7 @@ static dbdev_tab_t dbdev_tab[] = { #define DBDEV_TAB_SIZE ARRAY_SIZE(dbdev_tab) #ifdef CONFIG_PM -static u32 au1xxx_dbdma_pm_regs[NUM_DBDMA_CHANS + 1][8]; +static u32 au1xxx_dbdma_pm_regs[NUM_DBDMA_CHANS + 1][6]; #endif @@ -993,14 +993,13 @@ void au1xxx_dbdma_suspend(void) au1xxx_dbdma_pm_regs[0][3] = au_readl(addr + 0x0c); /* save channel configurations */ - for (i = 1, addr = DDMA_CHANNEL_BASE; i < NUM_DBDMA_CHANS; i++) { + for (i = 1, addr = DDMA_CHANNEL_BASE; i <= NUM_DBDMA_CHANS; i++) { au1xxx_dbdma_pm_regs[i][0] = au_readl(addr + 0x00); au1xxx_dbdma_pm_regs[i][1] = au_readl(addr + 0x04); au1xxx_dbdma_pm_regs[i][2] = au_readl(addr + 0x08); au1xxx_dbdma_pm_regs[i][3] = au_readl(addr + 0x0c); au1xxx_dbdma_pm_regs[i][4] = au_readl(addr + 0x10); au1xxx_dbdma_pm_regs[i][5] = au_readl(addr + 0x14); - au1xxx_dbdma_pm_regs[i][6] = au_readl(addr + 0x18); /* halt channel */ au_writel(au1xxx_dbdma_pm_regs[i][0] & ~1, addr + 0x00); @@ -1027,14 +1026,13 @@ void au1xxx_dbdma_resume(void) au_writel(au1xxx_dbdma_pm_regs[0][3], addr + 0x0c); /* restore channel configurations */ - for (i = 1, addr = DDMA_CHANNEL_BASE; i < NUM_DBDMA_CHANS; i++) { + for (i = 1, addr = DDMA_CHANNEL_BASE; i <= NUM_DBDMA_CHANS; i++) { au_writel(au1xxx_dbdma_pm_regs[i][0], addr + 0x00); au_writel(au1xxx_dbdma_pm_regs[i][1], addr + 0x04); au_writel(au1xxx_dbdma_pm_regs[i][2], addr + 0x08); au_writel(au1xxx_dbdma_pm_regs[i][3], addr + 0x0c); au_writel(au1xxx_dbdma_pm_regs[i][4], addr + 0x10); au_writel(au1xxx_dbdma_pm_regs[i][5], addr + 0x14); - au_writel(au1xxx_dbdma_pm_regs[i][6], addr + 0x18); au_sync(); addr += 0x100; /* next channel base */ } diff --git a/arch/mips/basler/excite/excite_iodev.c b/arch/mips/basler/excite/excite_iodev.c index dfbfd7e2ac0..938b1d0b765 100644 --- a/arch/mips/basler/excite/excite_iodev.c +++ b/arch/mips/basler/excite/excite_iodev.c @@ -112,10 +112,8 @@ static int iodev_open(struct inode *i, struct file *f) { int ret; - lock_kernel(); ret = request_irq(iodev_irq, iodev_irqhdl, IRQF_DISABLED, iodev_name, &miscdev); - unlock_kernel(); return ret; } diff --git a/arch/mips/bcm63xx/Makefile b/arch/mips/bcm63xx/Makefile index aaa585cf26e..c146d1edede 100644 --- a/arch/mips/bcm63xx/Makefile +++ b/arch/mips/bcm63xx/Makefile @@ -1,5 +1,5 @@ obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \ - dev-dsp.o dev-enet.o + dev-dsp.o dev-enet.o dev-pcmcia.o dev-uart.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-y += boards/ diff --git a/arch/mips/bcm63xx/boards/board_bcm963xx.c b/arch/mips/bcm63xx/boards/board_bcm963xx.c index fd77f548207..78e155d21be 100644 --- a/arch/mips/bcm63xx/boards/board_bcm963xx.c +++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c @@ -20,10 +20,11 @@ #include <bcm63xx_cpu.h> #include <bcm63xx_regs.h> #include <bcm63xx_io.h> -#include <bcm63xx_board.h> #include <bcm63xx_dev_pci.h> #include <bcm63xx_dev_enet.h> #include <bcm63xx_dev_dsp.h> +#include <bcm63xx_dev_pcmcia.h> +#include <bcm63xx_dev_uart.h> #include <board_bcm963xx.h> #define PFX "board_bcm963xx: " @@ -793,6 +794,11 @@ int __init board_register_devices(void) { u32 val; + bcm63xx_uart_register(); + + if (board.has_pccard) + bcm63xx_pcmcia_register(); + if (board.has_enet0 && !board_get_mac_address(board.enet0.mac_addr)) bcm63xx_enet_register(0, &board.enet0); diff --git a/arch/mips/bcm63xx/dev-pcmcia.c b/arch/mips/bcm63xx/dev-pcmcia.c new file mode 100644 index 00000000000..de4d917fd54 --- /dev/null +++ b/arch/mips/bcm63xx/dev-pcmcia.c @@ -0,0 +1,144 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr> + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <asm/bootinfo.h> +#include <linux/platform_device.h> +#include <bcm63xx_cs.h> +#include <bcm63xx_cpu.h> +#include <bcm63xx_dev_pcmcia.h> +#include <bcm63xx_io.h> +#include <bcm63xx_regs.h> + +static struct resource pcmcia_resources[] = { + /* pcmcia registers */ + { + /* start & end filled at runtime */ + .flags = IORESOURCE_MEM, + }, + + /* pcmcia memory zone resources */ + { + .start = BCM_PCMCIA_COMMON_BASE_PA, + .end = BCM_PCMCIA_COMMON_END_PA, + .flags = IORESOURCE_MEM, + }, + { + .start = BCM_PCMCIA_ATTR_BASE_PA, + .end = BCM_PCMCIA_ATTR_END_PA, + .flags = IORESOURCE_MEM, + }, + { + .start = BCM_PCMCIA_IO_BASE_PA, + .end = BCM_PCMCIA_IO_END_PA, + .flags = IORESOURCE_MEM, + }, + + /* PCMCIA irq */ + { + /* start filled at runtime */ + .flags = IORESOURCE_IRQ, + }, + + /* declare PCMCIA IO resource also */ + { + .start = BCM_PCMCIA_IO_BASE_PA, + .end = BCM_PCMCIA_IO_END_PA, + .flags = IORESOURCE_IO, + }, +}; + +static struct bcm63xx_pcmcia_platform_data pd; + +static struct platform_device bcm63xx_pcmcia_device = { + .name = "bcm63xx_pcmcia", + .id = 0, + .num_resources = ARRAY_SIZE(pcmcia_resources), + .resource = pcmcia_resources, + .dev = { + .platform_data = &pd, + }, +}; + +static int __init config_pcmcia_cs(unsigned int cs, + u32 base, unsigned int size) +{ + int ret; + + ret = bcm63xx_set_cs_status(cs, 0); + if (!ret) + ret = bcm63xx_set_cs_base(cs, base, size); + if (!ret) + ret = bcm63xx_set_cs_status(cs, 1); + return ret; +} + +static const __initdata struct { + unsigned int cs; + unsigned int base; + unsigned int size; +} pcmcia_cs[3] = { + { + .cs = MPI_CS_PCMCIA_COMMON, + .base = BCM_PCMCIA_COMMON_BASE_PA, + .size = BCM_PCMCIA_COMMON_SIZE + }, + { + .cs = MPI_CS_PCMCIA_ATTR, + .base = BCM_PCMCIA_ATTR_BASE_PA, + .size = BCM_PCMCIA_ATTR_SIZE + }, + { + .cs = MPI_CS_PCMCIA_IO, + .base = BCM_PCMCIA_IO_BASE_PA, + .size = BCM_PCMCIA_IO_SIZE + }, +}; + +int __init bcm63xx_pcmcia_register(void) +{ + int ret, i; + + if (!BCMCPU_IS_6348() && !BCMCPU_IS_6358()) + return 0; + + /* use correct pcmcia ready gpio depending on processor */ + switch (bcm63xx_get_cpu_id()) { + case BCM6348_CPU_ID: + pd.ready_gpio = 22; + break; + + case BCM6358_CPU_ID: + pd.ready_gpio = 18; + break; + + default: + return -ENODEV; + } + + pcmcia_resources[0].start = bcm63xx_regset_address(RSET_PCMCIA); + pcmcia_resources[0].end = pcmcia_resources[0].start + + RSET_PCMCIA_SIZE - 1; + pcmcia_resources[4].start = bcm63xx_get_irq_number(IRQ_PCMCIA); + + /* configure pcmcia chip selects */ + for (i = 0; i < 3; i++) { + ret = config_pcmcia_cs(pcmcia_cs[i].cs, + pcmcia_cs[i].base, + pcmcia_cs[i].size); + if (ret) + goto out_err; + } + + return platform_device_register(&bcm63xx_pcmcia_device); + +out_err: + printk(KERN_ERR "unable to set pcmcia chip select\n"); + return ret; +} diff --git a/arch/mips/bcm63xx/dev-uart.c b/arch/mips/bcm63xx/dev-uart.c new file mode 100644 index 00000000000..5f3d89c4a98 --- /dev/null +++ b/arch/mips/bcm63xx/dev-uart.c @@ -0,0 +1,41 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr> + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <bcm63xx_cpu.h> +#include <bcm63xx_dev_uart.h> + +static struct resource uart_resources[] = { + { + .start = -1, /* filled at runtime */ + .end = -1, /* filled at runtime */ + .flags = IORESOURCE_MEM, + }, + { + .start = -1, /* filled at runtime */ + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bcm63xx_uart_device = { + .name = "bcm63xx_uart", + .id = 0, + .num_resources = ARRAY_SIZE(uart_resources), + .resource = uart_resources, +}; + +int __init bcm63xx_uart_register(void) +{ + uart_resources[0].start = bcm63xx_regset_address(RSET_UART0); + uart_resources[0].end = uart_resources[0].start; + uart_resources[0].end += RSET_UART_SIZE - 1; + uart_resources[1].start = bcm63xx_get_irq_number(IRQ_UART0); + return platform_device_register(&bcm63xx_uart_device); +} diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pcmcia.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pcmcia.h new file mode 100644 index 00000000000..2beb3969ce3 --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pcmcia.h @@ -0,0 +1,13 @@ +#ifndef BCM63XX_DEV_PCMCIA_H_ +#define BCM63XX_DEV_PCMCIA_H_ + +/* + * PCMCIA driver platform data + */ +struct bcm63xx_pcmcia_platform_data { + unsigned int ready_gpio; +}; + +int bcm63xx_pcmcia_register(void); + +#endif /* BCM63XX_DEV_PCMCIA_H_ */ diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h new file mode 100644 index 00000000000..bf348f573bb --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h @@ -0,0 +1,6 @@ +#ifndef BCM63XX_DEV_UART_H_ +#define BCM63XX_DEV_UART_H_ + +int bcm63xx_uart_register(void); + +#endif /* BCM63XX_DEV_UART_H_ */ diff --git a/arch/mips/include/asm/smp.h b/arch/mips/include/asm/smp.h index e15f11a0931..af42385245d 100644 --- a/arch/mips/include/asm/smp.h +++ b/arch/mips/include/asm/smp.h @@ -77,7 +77,18 @@ extern void play_dead(void); extern asmlinkage void smp_call_function_interrupt(void); -extern void arch_send_call_function_single_ipi(int cpu); -extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); +static inline void arch_send_call_function_single_ipi(int cpu) +{ + extern struct plat_smp_ops *mp_ops; /* private */ + + mp_ops->send_ipi_mask(&cpumask_of_cpu(cpu), SMP_CALL_FUNCTION); +} + +static inline void arch_send_call_function_ipi_mask(const struct cpumask *mask) +{ + extern struct plat_smp_ops *mp_ops; /* private */ + + mp_ops->send_ipi_mask(mask, SMP_CALL_FUNCTION); +} #endif /* __ASM_SMP_H */ diff --git a/arch/mips/include/asm/unaligned.h b/arch/mips/include/asm/unaligned.h index 79240494857..42f66c31147 100644 --- a/arch/mips/include/asm/unaligned.h +++ b/arch/mips/include/asm/unaligned.h @@ -12,17 +12,17 @@ #if defined(__MIPSEB__) # include <linux/unaligned/be_struct.h> # include <linux/unaligned/le_byteshift.h> -# include <linux/unaligned/generic.h> # define get_unaligned __get_unaligned_be # define put_unaligned __put_unaligned_be #elif defined(__MIPSEL__) # include <linux/unaligned/le_struct.h> # include <linux/unaligned/be_byteshift.h> -# include <linux/unaligned/generic.h> # define get_unaligned __get_unaligned_le # define put_unaligned __put_unaligned_le #else # error "MIPS, but neither __MIPSEB__, nor __MIPSEL__???" #endif +# include <linux/unaligned/generic.h> + #endif /* _ASM_MIPS_UNALIGNED_H */ diff --git a/arch/mips/kernel/kspd.c b/arch/mips/kernel/kspd.c index f2397f00db4..ad4e017ed2f 100644 --- a/arch/mips/kernel/kspd.c +++ b/arch/mips/kernel/kspd.c @@ -172,13 +172,20 @@ static unsigned int translate_open_flags(int flags) } -static void sp_setfsuidgid( uid_t uid, gid_t gid) +static int sp_setfsuidgid(uid_t uid, gid_t gid) { - current->cred->fsuid = uid; - current->cred->fsgid = gid; + struct cred *new; - key_fsuid_changed(current); - key_fsgid_changed(current); + new = prepare_creds(); + if (!new) + return -ENOMEM; + + new->fsuid = uid; + new->fsgid = gid; + + commit_creds(new); + + return 0; } /* @@ -196,7 +203,7 @@ void sp_work_handle_request(void) mm_segment_t old_fs; struct timeval tv; struct timezone tz; - int cmd; + int err, cmd; char *vcwd; int size; @@ -225,8 +232,11 @@ void sp_work_handle_request(void) /* Run the syscall at the privilege of the user who loaded the SP program */ - if (vpe_getuid(tclimit)) - sp_setfsuidgid(vpe_getuid(tclimit), vpe_getgid(tclimit)); + if (vpe_getuid(tclimit)) { + err = sp_setfsuidgid(vpe_getuid(tclimit), vpe_getgid(tclimit)); + if (!err) + pr_err("Change of creds failed\n"); + } switch (sc.cmd) { /* needs the flags argument translating from SDE kit to @@ -283,8 +293,11 @@ void sp_work_handle_request(void) break; } /* switch */ - if (vpe_getuid(tclimit)) - sp_setfsuidgid( 0, 0); + if (vpe_getuid(tclimit)) { + err = sp_setfsuidgid(0, 0); + if (!err) + pr_err("restoring old creds failed\n"); + } old_fs = get_fs(); set_fs(KERNEL_DS); diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c index a10ebfdc28a..364f066cb49 100644 --- a/arch/mips/kernel/rtlx.c +++ b/arch/mips/kernel/rtlx.c @@ -72,8 +72,9 @@ static void rtlx_dispatch(void) */ static irqreturn_t rtlx_interrupt(int irq, void *dev_id) { + unsigned int vpeflags; + unsigned long flags; int i; - unsigned int flags, vpeflags; /* Ought not to be strictly necessary for SMTC builds */ local_irq_save(flags); @@ -392,20 +393,12 @@ out: static int file_open(struct inode *inode, struct file *filp) { - int minor = iminor(inode); - int err; - - lock_kernel(); - err = rtlx_open(minor, (filp->f_flags & O_NONBLOCK) ? 0 : 1); - unlock_kernel(); - return err; + return rtlx_open(iminor(inode), (filp->f_flags & O_NONBLOCK) ? 0 : 1); } static int file_release(struct inode *inode, struct file *filp) { - int minor = iminor(inode); - - return rtlx_release(minor); + return rtlx_release(iminor(inode)); } static unsigned int file_poll(struct file *file, poll_table * wait) diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index 4eb106c6a3e..e72e6844d13 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -32,7 +32,6 @@ #include <linux/cpumask.h> #include <linux/cpu.h> #include <linux/err.h> -#include <linux/smp.h> #include <asm/atomic.h> #include <asm/cpu.h> @@ -128,19 +127,6 @@ asmlinkage __cpuinit void start_secondary(void) cpu_idle(); } -void arch_send_call_function_ipi_mask(const struct cpumask *mask) -{ - mp_ops->send_ipi_mask(mask, SMP_CALL_FUNCTION); -} - -/* - * We reuse the same vector for the single IPI - */ -void arch_send_call_function_single_ipi(int cpu) -{ - mp_ops->send_ipi_mask(cpumask_of_cpu(cpu), SMP_CALL_FUNCTION); -} - /* * Call into both interrupt handlers, as we share the IPI for them */ diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c index 67153a0dc26..4d181df44a4 100644 --- a/arch/mips/kernel/smtc.c +++ b/arch/mips/kernel/smtc.c @@ -1098,9 +1098,8 @@ static void ipi_irq_dispatch(void) static struct irqaction irq_ipi = { .handler = ipi_interrupt, - .flags = IRQF_DISABLED, - .name = "SMTC_IPI", - .flags = IRQF_PERCPU + .flags = IRQF_DISABLED | IRQF_PERCPU, + .name = "SMTC_IPI" }; static void setup_cross_vpe_interrupts(unsigned int nvpe) diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c index eb6c4c5b7fb..03092ab2a29 100644 --- a/arch/mips/kernel/vpe.c +++ b/arch/mips/kernel/vpe.c @@ -144,14 +144,15 @@ struct tc { }; struct { - /* Virtual processing elements */ - struct list_head vpe_list; - - /* Thread contexts */ - struct list_head tc_list; + spinlock_t vpe_list_lock; + struct list_head vpe_list; /* Virtual processing elements */ + spinlock_t tc_list_lock; + struct list_head tc_list; /* Thread contexts */ } vpecontrol = { - .vpe_list = LIST_HEAD_INIT(vpecontrol.vpe_list), - .tc_list = LIST_HEAD_INIT(vpecontrol.tc_list) + .vpe_list_lock = SPIN_LOCK_UNLOCKED, + .vpe_list = LIST_HEAD_INIT(vpecontrol.vpe_list), + .tc_list_lock = SPIN_LOCK_UNLOCKED, + .tc_list = LIST_HEAD_INIT(vpecontrol.tc_list) }; static void release_progmem(void *ptr); @@ -159,28 +160,38 @@ static void release_progmem(void *ptr); /* get the vpe associated with this minor */ static struct vpe *get_vpe(int minor) { - struct vpe *v; + struct vpe *res, *v; if (!cpu_has_mipsmt) return NULL; + res = NULL; + spin_lock(&vpecontrol.vpe_list_lock); list_for_each_entry(v, &vpecontrol.vpe_list, list) { - if (v->minor == minor) - return v; + if (v->minor == minor) { + res = v; + break; + } } + spin_unlock(&vpecontrol.vpe_list_lock); - return NULL; + return res; } /* get the vpe associated with this minor */ static struct tc *get_tc(int index) { - struct tc *t; + struct tc *res, *t; + res = NULL; + spin_lock(&vpecontrol.tc_list_lock); list_for_each_entry(t, &vpecontrol.tc_list, list) { - if (t->index == index) - return t; + if (t->index == index) { + res = t; + break; + } } + spin_unlock(&vpecontrol.tc_list_lock); return NULL; } @@ -190,15 +201,17 @@ static struct vpe *alloc_vpe(int minor) { struct vpe *v; - if ((v = kzalloc(sizeof(struct vpe), GFP_KERNEL)) == NULL) { + if ((v = kzalloc(sizeof(struct vpe), GFP_KERNEL)) == NULL) return NULL; - } INIT_LIST_HEAD(&v->tc); + spin_lock(&vpecontrol.vpe_list_lock); list_add_tail(&v->list, &vpecontrol.vpe_list); + spin_unlock(&vpecontrol.vpe_list_lock); INIT_LIST_HEAD(&v->notify); v->minor = minor; + return v; } @@ -212,7 +225,10 @@ static struct tc *alloc_tc(int index) INIT_LIST_HEAD(&tc->tc); tc->index = index; + + spin_lock(&vpecontrol.tc_list_lock); list_add_tail(&tc->list, &vpecontrol.tc_list); + spin_unlock(&vpecontrol.tc_list_lock); out: return tc; @@ -227,7 +243,7 @@ static void release_vpe(struct vpe *v) kfree(v); } -static void dump_mtregs(void) +static void __maybe_unused dump_mtregs(void) { unsigned long val; @@ -1048,20 +1064,19 @@ static int vpe_open(struct inode *inode, struct file *filp) enum vpe_state state; struct vpe_notifications *not; struct vpe *v; - int ret, err = 0; + int ret; - lock_kernel(); if (minor != iminor(inode)) { /* assume only 1 device at the moment. */ - printk(KERN_WARNING "VPE loader: only vpe1 is supported\n"); - err = -ENODEV; - goto out; + pr_warning("VPE loader: only vpe1 is supported\n"); + + return -ENODEV; } if ((v = get_vpe(tclimit)) == NULL) { - printk(KERN_WARNING "VPE loader: unable to get vpe\n"); - err = -ENODEV; - goto out; + pr_warning("VPE loader: unable to get vpe\n"); + + return -ENODEV; } state = xchg(&v->state, VPE_STATE_INUSE); @@ -1101,8 +1116,8 @@ static int vpe_open(struct inode *inode, struct file *filp) v->shared_ptr = NULL; v->__start = 0; -out: unlock_kernel(); + return 0; } @@ -1594,14 +1609,14 @@ static void __exit vpe_module_exit(void) { struct vpe *v, *n; + device_del(&vpe_device); + unregister_chrdev(major, module_name); + + /* No locking needed here */ list_for_each_entry_safe(v, n, &vpecontrol.vpe_list, list) { - if (v->state != VPE_STATE_UNUSED) { + if (v->state != VPE_STATE_UNUSED) release_vpe(v); - } } - - device_del(&vpe_device); - unregister_chrdev(major, module_name); } module_init(vpe_module_init); diff --git a/arch/mips/mm/sc-mips.c b/arch/mips/mm/sc-mips.c index b55c2d1b998..5ab5fa8c1d8 100644 --- a/arch/mips/mm/sc-mips.c +++ b/arch/mips/mm/sc-mips.c @@ -32,6 +32,11 @@ static void mips_sc_wback_inv(unsigned long addr, unsigned long size) */ static void mips_sc_inv(unsigned long addr, unsigned long size) { + unsigned long lsize = cpu_scache_line_size(); + unsigned long almask = ~(lsize - 1); + + cache_op(Hit_Writeback_Inv_SD, addr & almask); + cache_op(Hit_Writeback_Inv_SD, (addr + size - 1) & almask); blast_inv_scache_range(addr, addr + size); } diff --git a/arch/mips/oprofile/op_model_loongson2.c b/arch/mips/oprofile/op_model_loongson2.c index 655cb8dec34..deed1d5d498 100644 --- a/arch/mips/oprofile/op_model_loongson2.c +++ b/arch/mips/oprofile/op_model_loongson2.c @@ -44,7 +44,7 @@ static struct loongson2_register_config { unsigned int ctrl; unsigned long long reset_counter1; unsigned long long reset_counter2; - int cnt1_enalbed, cnt2_enalbed; + int cnt1_enabled, cnt2_enabled; } reg; DEFINE_SPINLOCK(sample_lock); @@ -81,8 +81,8 @@ static void loongson2_reg_setup(struct op_counter_config *cfg) reg.ctrl = ctrl; - reg.cnt1_enalbed = cfg[0].enabled; - reg.cnt2_enalbed = cfg[1].enabled; + reg.cnt1_enabled = cfg[0].enabled; + reg.cnt2_enabled = cfg[1].enabled; } @@ -99,7 +99,7 @@ static void loongson2_cpu_setup(void *args) static void loongson2_cpu_start(void *args) { /* Start all counters on current CPU */ - if (reg.cnt1_enalbed || reg.cnt2_enalbed) + if (reg.cnt1_enabled || reg.cnt2_enabled) write_c0_perfctrl(reg.ctrl); } @@ -125,7 +125,7 @@ static irqreturn_t loongson2_perfcount_handler(int irq, void *dev_id) */ /* Check whether the irq belongs to me */ - enabled = reg.cnt1_enalbed | reg.cnt2_enalbed; + enabled = reg.cnt1_enabled | reg.cnt2_enabled; if (!enabled) return IRQ_NONE; @@ -136,12 +136,12 @@ static irqreturn_t loongson2_perfcount_handler(int irq, void *dev_id) spin_lock_irqsave(&sample_lock, flags); if (counter1 & LOONGSON2_PERFCNT_OVERFLOW) { - if (reg.cnt1_enalbed) + if (reg.cnt1_enabled) oprofile_add_sample(regs, 0); counter1 = reg.reset_counter1; } if (counter2 & LOONGSON2_PERFCNT_OVERFLOW) { - if (reg.cnt2_enalbed) + if (reg.cnt2_enabled) oprofile_add_sample(regs, 1); counter2 = reg.reset_counter2; } diff --git a/arch/mips/pci/ops-pmcmsp.c b/arch/mips/pci/ops-pmcmsp.c index 109c95ca698..32548b5d68d 100644 --- a/arch/mips/pci/ops-pmcmsp.c +++ b/arch/mips/pci/ops-pmcmsp.c @@ -385,6 +385,7 @@ int msp_pcibios_config_access(unsigned char access_type, unsigned long intr; unsigned long value; static char pciirqflag; + int ret; #if defined(CONFIG_PMC_MSP7120_GW) || defined(CONFIG_PMC_MSP7120_EVAL) unsigned int vpe_status; #endif @@ -402,11 +403,13 @@ int msp_pcibios_config_access(unsigned char access_type, * allocation assigns an interrupt handler to the interrupt. */ if (pciirqflag == 0) { - request_irq(MSP_INT_PCI,/* Hardcoded internal MSP7120 wiring */ + ret = request_irq(MSP_INT_PCI,/* Hardcoded internal MSP7120 wiring */ bpci_interrupt, IRQF_SHARED | IRQF_DISABLED, "PMC MSP PCI Host", preg); + if (ret != 0) + return ret; pciirqflag = ~0; } diff --git a/arch/mips/sgi-ip27/ip27-smp.c b/arch/mips/sgi-ip27/ip27-smp.c index 9aa8f2951df..c6851df9ab7 100644 --- a/arch/mips/sgi-ip27/ip27-smp.c +++ b/arch/mips/sgi-ip27/ip27-smp.c @@ -165,7 +165,7 @@ static void ip27_send_ipi_single(int destid, unsigned int action) REMOTE_HUB_SEND_INTR(COMPACT_TO_NASID_NODEID(cpu_to_node(destid)), irq); } -static void ip27_send_ipi(const struct cpumask *mask, unsigned int action) +static void ip27_send_ipi_mask(const struct cpumask *mask, unsigned int action) { unsigned int i; diff --git a/arch/mips/sibyte/bcm1480/irq.c b/arch/mips/sibyte/bcm1480/irq.c index ba59839a021..4070268aa76 100644 --- a/arch/mips/sibyte/bcm1480/irq.c +++ b/arch/mips/sibyte/bcm1480/irq.c @@ -117,10 +117,6 @@ static int bcm1480_set_affinity(unsigned int irq, const struct cpumask *mask) unsigned long flags; unsigned int irq_dirty; - if (cpumask_weight(mask) != 1) { - printk("attempted to set irq affinity for irq %d to multiple CPUs\n", irq); - return -1; - } i = cpumask_first(mask); /* Convert logical CPU to physical CPU */ diff --git a/arch/mips/sibyte/common/sb_tbprof.c b/arch/mips/sibyte/common/sb_tbprof.c index 637a194e5cd..15ea778b5e6 100644 --- a/arch/mips/sibyte/common/sb_tbprof.c +++ b/arch/mips/sibyte/common/sb_tbprof.c @@ -403,36 +403,31 @@ static int sbprof_zbprof_stop(void) static int sbprof_tb_open(struct inode *inode, struct file *filp) { int minor; - int err = 0; - lock_kernel(); minor = iminor(inode); - if (minor != 0) { - err = -ENODEV; - goto out; - } + if (minor != 0) + return -ENODEV; - if (xchg(&sbp.open, SB_OPENING) != SB_CLOSED) { - err = -EBUSY; - goto out; - } + if (xchg(&sbp.open, SB_OPENING) != SB_CLOSED) + return -EBUSY; memset(&sbp, 0, sizeof(struct sbprof_tb)); sbp.sbprof_tbbuf = vmalloc(MAX_TBSAMPLE_BYTES); if (!sbp.sbprof_tbbuf) { - err = -ENOMEM; - goto out; + sbp.open = SB_CLOSED; + wmb(); + return -ENOMEM; } + memset(sbp.sbprof_tbbuf, 0, MAX_TBSAMPLE_BYTES); init_waitqueue_head(&sbp.tb_sync); init_waitqueue_head(&sbp.tb_read); mutex_init(&sbp.lock); sbp.open = SB_OPEN; + wmb(); - out: - unlock_kernel(); - return err; + return 0; } static int sbprof_tb_release(struct inode *inode, struct file *filp) @@ -440,7 +435,7 @@ static int sbprof_tb_release(struct inode *inode, struct file *filp) int minor; minor = iminor(inode); - if (minor != 0 || !sbp.open) + if (minor != 0 || sbp.open != SB_CLOSED) return -ENODEV; mutex_lock(&sbp.lock); @@ -449,7 +444,8 @@ static int sbprof_tb_release(struct inode *inode, struct file *filp) sbprof_zbprof_stop(); vfree(sbp.sbprof_tbbuf); - sbp.open = 0; + sbp.open = SB_CLOSED; + wmb(); mutex_unlock(&sbp.lock); @@ -583,7 +579,8 @@ static int __init sbprof_tb_init(void) } tb_dev = dev; - sbp.open = 0; + sbp.open = SB_CLOSED; + wmb(); tb_period = zbbus_mhz * 10000LL; pr_info(DEVNAME ": initialized - tb_period = %lld\n", (long long) tb_period); diff --git a/arch/mips/sibyte/swarm/setup.c b/arch/mips/sibyte/swarm/setup.c index 623ffc933c4..5277aac96b0 100644 --- a/arch/mips/sibyte/swarm/setup.c +++ b/arch/mips/sibyte/swarm/setup.c @@ -106,7 +106,7 @@ void read_persistent_clock(struct timespec *ts) break; } ts->tv_sec = sec; - tv->tv_nsec = 0; + ts->tv_nsec = 0; } int rtc_mips_set_time(unsigned long sec) diff --git a/arch/mn10300/include/asm/uaccess.h b/arch/mn10300/include/asm/uaccess.h index 8a3a4dd5576..167e10ff06d 100644 --- a/arch/mn10300/include/asm/uaccess.h +++ b/arch/mn10300/include/asm/uaccess.h @@ -129,42 +129,47 @@ extern int fixup_exception(struct pt_regs *regs); struct __large_struct { unsigned long buf[100]; }; #define __m(x) (*(struct __large_struct *)(x)) -#define __get_user_nocheck(x, ptr, size) \ -({ \ - __typeof(*(ptr)) __gu_val; \ - unsigned long __gu_addr; \ - int __gu_err; \ - __gu_addr = (unsigned long) (ptr); \ - switch (size) { \ - case 1: __get_user_asm("bu"); break; \ - case 2: __get_user_asm("hu"); break; \ - case 4: __get_user_asm("" ); break; \ - default: __get_user_unknown(); break; \ - } \ - x = (__typeof__(*(ptr))) __gu_val; \ - __gu_err; \ +#define __get_user_nocheck(x, ptr, size) \ +({ \ + unsigned long __gu_addr; \ + int __gu_err; \ + __gu_addr = (unsigned long) (ptr); \ + switch (size) { \ + case 1: { \ + unsigned char __gu_val; \ + __get_user_asm("bu"); \ + (x) = *(__force __typeof__(*(ptr))*) &__gu_val; \ + break; \ + } \ + case 2: { \ + unsigned short __gu_val; \ + __get_user_asm("hu"); \ + (x) = *(__force __typeof__(*(ptr))*) &__gu_val; \ + break; \ + } \ + case 4: { \ + unsigned int __gu_val; \ + __get_user_asm(""); \ + (x) = *(__force __typeof__(*(ptr))*) &__gu_val; \ + break; \ + } \ + default: \ + __get_user_unknown(); \ + break; \ + } \ + __gu_err; \ }) -#define __get_user_check(x, ptr, size) \ -({ \ - __typeof__(*(ptr)) __gu_val; \ - unsigned long __gu_addr; \ - int __gu_err; \ - __gu_addr = (unsigned long) (ptr); \ - if (likely(__access_ok(__gu_addr,size))) { \ - switch (size) { \ - case 1: __get_user_asm("bu"); break; \ - case 2: __get_user_asm("hu"); break; \ - case 4: __get_user_asm("" ); break; \ - default: __get_user_unknown(); break; \ - } \ - } \ - else { \ - __gu_err = -EFAULT; \ - __gu_val = 0; \ - } \ - x = (__typeof__(*(ptr))) __gu_val; \ - __gu_err; \ +#define __get_user_check(x, ptr, size) \ +({ \ + int _e; \ + if (likely(__access_ok((unsigned long) (ptr), (size)))) \ + _e = __get_user_nocheck((x), (ptr), (size)); \ + else { \ + _e = -EFAULT; \ + (x) = (__typeof__(x))0; \ + } \ + _e; \ }) #define __get_user_asm(INSN) \ diff --git a/arch/mn10300/unit-asb2303/include/unit/clock.h b/arch/mn10300/unit-asb2303/include/unit/clock.h index 8b450e920af..2a0bf79ab96 100644 --- a/arch/mn10300/unit-asb2303/include/unit/clock.h +++ b/arch/mn10300/unit-asb2303/include/unit/clock.h @@ -20,9 +20,9 @@ extern unsigned long mn10300_ioclk; /* IOCLK (crystal speed) in HZ */ extern unsigned long mn10300_iobclk; extern unsigned long mn10300_tsc_per_HZ; -#define MN10300_IOCLK ((unsigned long)mn10300_ioclk) +#define MN10300_IOCLK mn10300_ioclk /* If this processors has a another clock, uncomment the below. */ -/* #define MN10300_IOBCLK ((unsigned long)mn10300_iobclk) */ +/* #define MN10300_IOBCLK mn10300_iobclk */ #else /* !CONFIG_MN10300_RTC */ @@ -35,7 +35,7 @@ extern unsigned long mn10300_tsc_per_HZ; #define MN10300_TSCCLK MN10300_IOCLK #ifdef CONFIG_MN10300_RTC -#define MN10300_TSC_PER_HZ ((unsigned long)mn10300_tsc_per_HZ) +#define MN10300_TSC_PER_HZ mn10300_tsc_per_HZ #else /* !CONFIG_MN10300_RTC */ #define MN10300_TSC_PER_HZ (MN10300_TSCCLK/HZ) #endif /* !CONFIG_MN10300_RTC */ diff --git a/arch/mn10300/unit-asb2305/include/unit/clock.h b/arch/mn10300/unit-asb2305/include/unit/clock.h index 7d514841ffd..67be3f2eb18 100644 --- a/arch/mn10300/unit-asb2305/include/unit/clock.h +++ b/arch/mn10300/unit-asb2305/include/unit/clock.h @@ -20,9 +20,9 @@ extern unsigned long mn10300_ioclk; /* IOCLK (crystal speed) in HZ */ extern unsigned long mn10300_iobclk; extern unsigned long mn10300_tsc_per_HZ; -#define MN10300_IOCLK ((unsigned long)mn10300_ioclk) +#define MN10300_IOCLK mn10300_ioclk /* If this processors has a another clock, uncomment the below. */ -/* #define MN10300_IOBCLK ((unsigned long)mn10300_iobclk) */ +/* #define MN10300_IOBCLK mn10300_iobclk */ #else /* !CONFIG_MN10300_RTC */ @@ -35,7 +35,7 @@ extern unsigned long mn10300_tsc_per_HZ; #define MN10300_TSCCLK MN10300_IOCLK #ifdef CONFIG_MN10300_RTC -#define MN10300_TSC_PER_HZ ((unsigned long)mn10300_tsc_per_HZ) +#define MN10300_TSC_PER_HZ mn10300_tsc_per_HZ #else /* !CONFIG_MN10300_RTC */ #define MN10300_TSC_PER_HZ (MN10300_TSCCLK/HZ) #endif /* !CONFIG_MN10300_RTC */ diff --git a/arch/powerpc/kvm/timing.c b/arch/powerpc/kvm/timing.c index 47ee603f558..2aa371e3007 100644 --- a/arch/powerpc/kvm/timing.c +++ b/arch/powerpc/kvm/timing.c @@ -201,7 +201,7 @@ static int kvmppc_exit_timing_open(struct inode *inode, struct file *file) return single_open(file, kvmppc_exit_timing_show, inode->i_private); } -static struct file_operations kvmppc_exit_timing_fops = { +static const struct file_operations kvmppc_exit_timing_fops = { .owner = THIS_MODULE, .open = kvmppc_exit_timing_open, .read = seq_read, diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index 8f079b865ad..884e8bcec49 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -147,7 +147,7 @@ static int __fops ## _open(struct inode *inode, struct file *file) \ __simple_attr_check_format(__fmt, 0ull); \ return spufs_attr_open(inode, file, __get, __set, __fmt); \ } \ -static struct file_operations __fops = { \ +static const struct file_operations __fops = { \ .owner = THIS_MODULE, \ .open = __fops ## _open, \ .release = spufs_attr_release, \ @@ -309,7 +309,7 @@ static int spufs_mem_mmap_access(struct vm_area_struct *vma, return len; } -static struct vm_operations_struct spufs_mem_mmap_vmops = { +static const struct vm_operations_struct spufs_mem_mmap_vmops = { .fault = spufs_mem_mmap_fault, .access = spufs_mem_mmap_access, }; @@ -436,7 +436,7 @@ static int spufs_cntl_mmap_fault(struct vm_area_struct *vma, return spufs_ps_fault(vma, vmf, 0x4000, SPUFS_CNTL_MAP_SIZE); } -static struct vm_operations_struct spufs_cntl_mmap_vmops = { +static const struct vm_operations_struct spufs_cntl_mmap_vmops = { .fault = spufs_cntl_mmap_fault, }; @@ -1143,7 +1143,7 @@ spufs_signal1_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) #endif } -static struct vm_operations_struct spufs_signal1_mmap_vmops = { +static const struct vm_operations_struct spufs_signal1_mmap_vmops = { .fault = spufs_signal1_mmap_fault, }; @@ -1279,7 +1279,7 @@ spufs_signal2_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) #endif } -static struct vm_operations_struct spufs_signal2_mmap_vmops = { +static const struct vm_operations_struct spufs_signal2_mmap_vmops = { .fault = spufs_signal2_mmap_fault, }; @@ -1397,7 +1397,7 @@ spufs_mss_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) return spufs_ps_fault(vma, vmf, 0x0000, SPUFS_MSS_MAP_SIZE); } -static struct vm_operations_struct spufs_mss_mmap_vmops = { +static const struct vm_operations_struct spufs_mss_mmap_vmops = { .fault = spufs_mss_mmap_fault, }; @@ -1458,7 +1458,7 @@ spufs_psmap_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) return spufs_ps_fault(vma, vmf, 0x0000, SPUFS_PS_MAP_SIZE); } -static struct vm_operations_struct spufs_psmap_mmap_vmops = { +static const struct vm_operations_struct spufs_psmap_mmap_vmops = { .fault = spufs_psmap_mmap_fault, }; @@ -1517,7 +1517,7 @@ spufs_mfc_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) return spufs_ps_fault(vma, vmf, 0x3000, SPUFS_MFC_MAP_SIZE); } -static struct vm_operations_struct spufs_mfc_mmap_vmops = { +static const struct vm_operations_struct spufs_mfc_mmap_vmops = { .fault = spufs_mfc_mmap_fault, }; diff --git a/arch/powerpc/platforms/pseries/dtl.c b/arch/powerpc/platforms/pseries/dtl.c index ab69925d579..937a544a236 100644 --- a/arch/powerpc/platforms/pseries/dtl.c +++ b/arch/powerpc/platforms/pseries/dtl.c @@ -209,7 +209,7 @@ static ssize_t dtl_file_read(struct file *filp, char __user *buf, size_t len, return n_read * sizeof(struct dtl_entry); } -static struct file_operations dtl_fops = { +static const struct file_operations dtl_fops = { .open = dtl_file_open, .release = dtl_file_release, .read = dtl_file_read, diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 97fca4695e0..ac45aab741a 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -102,6 +102,9 @@ config HAVE_SETUP_PER_CPU_AREA config NEED_PER_CPU_EMBED_FIRST_CHUNK def_bool y if SPARC64 +config NEED_PER_CPU_PAGE_FIRST_CHUNK + def_bool y if SPARC64 + config GENERIC_HARDIRQS_NO__DO_IRQ bool def_bool y if SPARC64 diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c index ff68373ce6d..aa36223497b 100644 --- a/arch/sparc/kernel/smp_64.c +++ b/arch/sparc/kernel/smp_64.c @@ -1420,7 +1420,7 @@ static void __init pcpu_free_bootmem(void *ptr, size_t size) free_bootmem(__pa(ptr), size); } -static int pcpu_cpu_distance(unsigned int from, unsigned int to) +static int __init pcpu_cpu_distance(unsigned int from, unsigned int to) { if (cpu_to_node(from) == cpu_to_node(to)) return LOCAL_DISTANCE; @@ -1428,18 +1428,53 @@ static int pcpu_cpu_distance(unsigned int from, unsigned int to) return REMOTE_DISTANCE; } +static void __init pcpu_populate_pte(unsigned long addr) +{ + pgd_t *pgd = pgd_offset_k(addr); + pud_t *pud; + pmd_t *pmd; + + pud = pud_offset(pgd, addr); + if (pud_none(*pud)) { + pmd_t *new; + + new = __alloc_bootmem(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE); + pud_populate(&init_mm, pud, new); + } + + pmd = pmd_offset(pud, addr); + if (!pmd_present(*pmd)) { + pte_t *new; + + new = __alloc_bootmem(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE); + pmd_populate_kernel(&init_mm, pmd, new); + } +} + void __init setup_per_cpu_areas(void) { unsigned long delta; unsigned int cpu; - int rc; - - rc = pcpu_embed_first_chunk(PERCPU_MODULE_RESERVE, - PERCPU_DYNAMIC_RESERVE, 4 << 20, - pcpu_cpu_distance, pcpu_alloc_bootmem, - pcpu_free_bootmem); - if (rc) - panic("failed to initialize first chunk (%d)", rc); + int rc = -EINVAL; + + if (pcpu_chosen_fc != PCPU_FC_PAGE) { + rc = pcpu_embed_first_chunk(PERCPU_MODULE_RESERVE, + PERCPU_DYNAMIC_RESERVE, 4 << 20, + pcpu_cpu_distance, + pcpu_alloc_bootmem, + pcpu_free_bootmem); + if (rc) + pr_warning("PERCPU: %s allocator failed (%d), " + "falling back to page size\n", + pcpu_fc_names[pcpu_chosen_fc], rc); + } + if (rc < 0) + rc = pcpu_page_first_chunk(PERCPU_MODULE_RESERVE, + pcpu_alloc_bootmem, + pcpu_free_bootmem, + pcpu_populate_pte); + if (rc < 0) + panic("cannot initialize percpu area (err=%d)", rc); delta = (unsigned long)pcpu_base_addr - (unsigned long)__per_cpu_start; for_each_possible_cpu(cpu) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 93698794aa3..8da93745c08 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -432,6 +432,17 @@ config X86_NUMAQ of Flat Logical. You will need a new lynxer.elf file to flash your firmware with - send email to <Martin.Bligh@us.ibm.com>. +config X86_SUPPORTS_MEMORY_FAILURE + bool + # MCE code calls memory_failure(): + depends on X86_MCE + # On 32-bit this adds too big of NODES_SHIFT and we run out of page flags: + depends on !X86_NUMAQ + # On 32-bit SPARSEMEM adds too big of SECTIONS_WIDTH: + depends on X86_64 || !SPARSEMEM + select ARCH_SUPPORTS_MEMORY_FAILURE + default y + config X86_VISWS bool "SGI 320/540 (Visual Workstation)" depends on X86_32 && PCI && X86_MPPARSE && PCI_GODIRECT diff --git a/arch/x86/include/asm/checksum_32.h b/arch/x86/include/asm/checksum_32.h index 7c5ef8b14d9..46fc474fd81 100644 --- a/arch/x86/include/asm/checksum_32.h +++ b/arch/x86/include/asm/checksum_32.h @@ -161,7 +161,8 @@ static inline __sum16 csum_ipv6_magic(const struct in6_addr *saddr, "adcl $0, %0 ;\n" : "=&r" (sum) : "r" (saddr), "r" (daddr), - "r" (htonl(len)), "r" (htonl(proto)), "0" (sum)); + "r" (htonl(len)), "r" (htonl(proto)), "0" (sum) + : "memory"); return csum_fold(sum); } diff --git a/arch/x86/include/asm/cmpxchg_32.h b/arch/x86/include/asm/cmpxchg_32.h index 82ceb788a98..ee1931be659 100644 --- a/arch/x86/include/asm/cmpxchg_32.h +++ b/arch/x86/include/asm/cmpxchg_32.h @@ -312,19 +312,23 @@ static inline unsigned long cmpxchg_386(volatile void *ptr, unsigned long old, extern unsigned long long cmpxchg_486_u64(volatile void *, u64, u64); -#define cmpxchg64(ptr, o, n) \ -({ \ - __typeof__(*(ptr)) __ret; \ - if (likely(boot_cpu_data.x86 > 4)) \ - __ret = (__typeof__(*(ptr)))__cmpxchg64((ptr), \ - (unsigned long long)(o), \ - (unsigned long long)(n)); \ - else \ - __ret = (__typeof__(*(ptr)))cmpxchg_486_u64((ptr), \ - (unsigned long long)(o), \ - (unsigned long long)(n)); \ - __ret; \ -}) +#define cmpxchg64(ptr, o, n) \ +({ \ + __typeof__(*(ptr)) __ret; \ + __typeof__(*(ptr)) __old = (o); \ + __typeof__(*(ptr)) __new = (n); \ + alternative_io("call cmpxchg8b_emu", \ + "lock; cmpxchg8b (%%esi)" , \ + X86_FEATURE_CX8, \ + "=A" (__ret), \ + "S" ((ptr)), "0" (__old), \ + "b" ((unsigned int)__new), \ + "c" ((unsigned int)(__new>>32)) \ + : "memory"); \ + __ret; }) + + + #define cmpxchg64_local(ptr, o, n) \ ({ \ __typeof__(*(ptr)) __ret; \ diff --git a/arch/x86/kernel/acpi/cstate.c b/arch/x86/kernel/acpi/cstate.c index 8c44c232efc..59cdfa4686b 100644 --- a/arch/x86/kernel/acpi/cstate.c +++ b/arch/x86/kernel/acpi/cstate.c @@ -48,7 +48,7 @@ void acpi_processor_power_init_bm_check(struct acpi_processor_flags *flags, * P4, Core and beyond CPUs */ if (c->x86_vendor == X86_VENDOR_INTEL && - (c->x86 > 0x6 || (c->x86 == 6 && c->x86_model >= 14))) + (c->x86 > 0xf || (c->x86 == 6 && c->x86_model >= 14))) flags->bm_control = 0; } EXPORT_SYMBOL(acpi_processor_power_init_bm_check); diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 4b2af86e3e8..183c3457d2f 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -204,10 +204,7 @@ static void print_mce_head(void) static void print_mce_tail(void) { printk(KERN_EMERG "This is not a software problem!\n" -#if (!defined(CONFIG_EDAC) || !defined(CONFIG_CPU_SUP_AMD)) - "Run through mcelog --ascii to decode and contact your hardware vendor\n" -#endif - ); + "Run through mcelog --ascii to decode and contact your hardware vendor\n"); } #define PANIC_TIMEOUT 5 /* 5 seconds */ diff --git a/arch/x86/kernel/i386_ksyms_32.c b/arch/x86/kernel/i386_ksyms_32.c index 43cec6bdda6..1736c5a725a 100644 --- a/arch/x86/kernel/i386_ksyms_32.c +++ b/arch/x86/kernel/i386_ksyms_32.c @@ -10,6 +10,14 @@ EXPORT_SYMBOL(mcount); #endif +/* + * Note, this is a prototype to get at the symbol for + * the export, but dont use it from C code, it is used + * by assembly code and is not using C calling convention! + */ +extern void cmpxchg8b_emu(void); +EXPORT_SYMBOL(cmpxchg8b_emu); + /* Networking helper routines. */ EXPORT_SYMBOL(csum_partial_copy_generic); diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile index 9e609206fac..3e549b8ec8c 100644 --- a/arch/x86/lib/Makefile +++ b/arch/x86/lib/Makefile @@ -15,7 +15,7 @@ ifeq ($(CONFIG_X86_32),y) obj-y += atomic64_32.o lib-y += checksum_32.o lib-y += strstr_32.o - lib-y += semaphore_32.o string_32.o + lib-y += semaphore_32.o string_32.o cmpxchg8b_emu.o lib-$(CONFIG_X86_USE_3DNOW) += mmx_32.o else diff --git a/arch/x86/lib/cmpxchg8b_emu.S b/arch/x86/lib/cmpxchg8b_emu.S new file mode 100644 index 00000000000..828cb710dec --- /dev/null +++ b/arch/x86/lib/cmpxchg8b_emu.S @@ -0,0 +1,57 @@ +/* + * 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; version 2 + * of the License. + * + */ + +#include <linux/linkage.h> +#include <asm/alternative-asm.h> +#include <asm/frame.h> +#include <asm/dwarf2.h> + + +.text + +/* + * Inputs: + * %esi : memory location to compare + * %eax : low 32 bits of old value + * %edx : high 32 bits of old value + * %ebx : low 32 bits of new value + * %ecx : high 32 bits of new value + */ +ENTRY(cmpxchg8b_emu) +CFI_STARTPROC + +# +# Emulate 'cmpxchg8b (%esi)' on UP except we don't +# set the whole ZF thing (caller will just compare +# eax:edx with the expected value) +# +cmpxchg8b_emu: + pushfl + cli + + cmpl (%esi), %eax + jne not_same + cmpl 4(%esi), %edx + jne half_same + + movl %ebx, (%esi) + movl %ecx, 4(%esi) + + popfl + ret + + not_same: + movl (%esi), %eax + half_same: + movl 4(%esi), %edx + + popfl + ret + +CFI_ENDPROC +ENDPROC(cmpxchg8b_emu) diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c index 52e62e57fed..b22d13b0c71 100644 --- a/arch/x86/pci/i386.c +++ b/arch/x86/pci/i386.c @@ -266,7 +266,7 @@ void pcibios_set_master(struct pci_dev *dev) pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat); } -static struct vm_operations_struct pci_mmap_ops = { +static const struct vm_operations_struct pci_mmap_ops = { .access = generic_access_phys, }; diff --git a/arch/x86/xen/debugfs.c b/arch/x86/xen/debugfs.c index b53225d2cac..e133ce25e29 100644 --- a/arch/x86/xen/debugfs.c +++ b/arch/x86/xen/debugfs.c @@ -100,7 +100,7 @@ static int xen_array_release(struct inode *inode, struct file *file) return 0; } -static struct file_operations u32_array_fops = { +static const struct file_operations u32_array_fops = { .owner = THIS_MODULE, .open = u32_array_open, .release= xen_array_release, |