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-rw-r--r--arch/arm/boot/compressed/head.S2
-rw-r--r--arch/arm/boot/compressed/vmlinux.lds.in2
-rw-r--r--arch/arm/include/asm/assembler.h2
-rw-r--r--arch/arm/include/asm/mmu.h4
-rw-r--r--arch/arm/include/asm/pgtable.h3
-rw-r--r--arch/arm/lib/findbit.S6
-rw-r--r--arch/arm/mach-aaec2000/include/mach/vmalloc.h2
-rw-r--r--arch/arm/mach-bcmring/include/mach/vmalloc.h2
-rw-r--r--arch/arm/mach-clps711x/include/mach/vmalloc.h2
-rw-r--r--arch/arm/mach-ebsa110/include/mach/vmalloc.h2
-rw-r--r--arch/arm/mach-footbridge/include/mach/vmalloc.h2
-rw-r--r--arch/arm/mach-h720x/include/mach/vmalloc.h2
-rw-r--r--arch/arm/mach-imx/eukrea_mbimx27-baseboard.c6
-rw-r--r--arch/arm/mach-integrator/include/mach/vmalloc.h2
-rw-r--r--arch/arm/mach-msm/include/mach/vmalloc.h2
-rw-r--r--arch/arm/mach-mx25/devices-imx25.h4
-rw-r--r--arch/arm/mach-mx3/mach-pcm037_eet.c5
-rw-r--r--arch/arm/mach-netx/include/mach/vmalloc.h2
-rw-r--r--arch/arm/mach-omap1/include/mach/vmalloc.h2
-rw-r--r--arch/arm/mach-omap2/include/mach/vmalloc.h2
-rw-r--r--arch/arm/mach-pnx4008/include/mach/vmalloc.h2
-rw-r--r--arch/arm/mach-rpc/include/mach/vmalloc.h2
-rw-r--r--arch/arm/mach-shark/include/mach/vmalloc.h2
-rw-r--r--arch/arm/mach-ux500/cpu.c6
-rw-r--r--arch/arm/mach-versatile/include/mach/vmalloc.h2
-rw-r--r--arch/arm/mm/ioremap.c4
-rw-r--r--arch/arm/plat-mxc/devices/platform-imx-dma.c8
-rw-r--r--arch/arm/plat-mxc/devices/platform-spi_imx.c1
-rw-r--r--arch/arm/plat-nomadik/timer.c89
-rw-r--r--drivers/scsi/arm/fas216.h2
-rw-r--r--drivers/video/mx3fb.c4
31 files changed, 124 insertions, 54 deletions
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 6825c34646d..9be21ba648c 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -1084,6 +1084,6 @@ memdump: mov r12, r0
reloc_end:
.align
- .section ".stack", "w"
+ .section ".stack", "aw", %nobits
user_stack: .space 4096
user_stack_end:
diff --git a/arch/arm/boot/compressed/vmlinux.lds.in b/arch/arm/boot/compressed/vmlinux.lds.in
index d08168941bd..366a924019a 100644
--- a/arch/arm/boot/compressed/vmlinux.lds.in
+++ b/arch/arm/boot/compressed/vmlinux.lds.in
@@ -57,7 +57,7 @@ SECTIONS
.bss : { *(.bss) }
_end = .;
- .stack (NOLOAD) : { *(.stack) }
+ .stack : { *(.stack) }
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index 062b58c029a..749bb662240 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -238,7 +238,7 @@
@ Slightly optimised to avoid incrementing the pointer twice
usraccoff \instr, \reg, \ptr, \inc, 0, \cond, \abort
.if \rept == 2
- usraccoff \instr, \reg, \ptr, \inc, 4, \cond, \abort
+ usraccoff \instr, \reg, \ptr, \inc, \inc, \cond, \abort
.endif
add\cond \ptr, #\rept * \inc
diff --git a/arch/arm/include/asm/mmu.h b/arch/arm/include/asm/mmu.h
index 68870c77667..b4ffe9d5b52 100644
--- a/arch/arm/include/asm/mmu.h
+++ b/arch/arm/include/asm/mmu.h
@@ -13,6 +13,10 @@ typedef struct {
#ifdef CONFIG_CPU_HAS_ASID
#define ASID(mm) ((mm)->context.id & 255)
+
+/* init_mm.context.id_lock should be initialized. */
+#define INIT_MM_CONTEXT(name) \
+ .context.id_lock = __SPIN_LOCK_UNLOCKED(name.context.id_lock),
#else
#define ASID(mm) (0)
#endif
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index b155414192d..53d1d5deb11 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -374,6 +374,9 @@ static inline pte_t *pmd_page_vaddr(pmd_t pmd)
#define pmd_page(pmd) pfn_to_page(__phys_to_pfn(pmd_val(pmd)))
+/* we don't need complex calculations here as the pmd is folded into the pgd */
+#define pmd_addr_end(addr,end) (end)
+
/*
* Conversion functions: convert a page and protection to a page entry,
* and a page entry and page directory to the page they refer to.
diff --git a/arch/arm/lib/findbit.S b/arch/arm/lib/findbit.S
index 1e4cbd4e7be..64f6bc1a913 100644
--- a/arch/arm/lib/findbit.S
+++ b/arch/arm/lib/findbit.S
@@ -174,8 +174,8 @@ ENDPROC(_find_next_bit_be)
*/
.L_found:
#if __LINUX_ARM_ARCH__ >= 5
- rsb r1, r3, #0
- and r3, r3, r1
+ rsb r0, r3, #0
+ and r3, r3, r0
clz r3, r3
rsb r3, r3, #31
add r0, r2, r3
@@ -190,5 +190,7 @@ ENDPROC(_find_next_bit_be)
addeq r2, r2, #1
mov r0, r2
#endif
+ cmp r1, r0 @ Clamp to maxbit
+ movlo r0, r1
mov pc, lr
diff --git a/arch/arm/mach-aaec2000/include/mach/vmalloc.h b/arch/arm/mach-aaec2000/include/mach/vmalloc.h
index cff4e0a996c..a6299e8321b 100644
--- a/arch/arm/mach-aaec2000/include/mach/vmalloc.h
+++ b/arch/arm/mach-aaec2000/include/mach/vmalloc.h
@@ -11,6 +11,6 @@
#ifndef __ASM_ARCH_VMALLOC_H
#define __ASM_ARCH_VMALLOC_H
-#define VMALLOC_END 0xd0000000
+#define VMALLOC_END 0xd0000000UL
#endif /* __ASM_ARCH_VMALLOC_H */
diff --git a/arch/arm/mach-bcmring/include/mach/vmalloc.h b/arch/arm/mach-bcmring/include/mach/vmalloc.h
index 3db3a09fd39..7397bd7817d 100644
--- a/arch/arm/mach-bcmring/include/mach/vmalloc.h
+++ b/arch/arm/mach-bcmring/include/mach/vmalloc.h
@@ -22,4 +22,4 @@
* 0xe0000000 to 0xefffffff. This gives us 256 MB of vm space and handles
* larger physical memory designs better.
*/
-#define VMALLOC_END 0xf0000000
+#define VMALLOC_END 0xf0000000UL
diff --git a/arch/arm/mach-clps711x/include/mach/vmalloc.h b/arch/arm/mach-clps711x/include/mach/vmalloc.h
index 30b3a287ed8..467b96137e4 100644
--- a/arch/arm/mach-clps711x/include/mach/vmalloc.h
+++ b/arch/arm/mach-clps711x/include/mach/vmalloc.h
@@ -17,4 +17,4 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#define VMALLOC_END 0xd0000000
+#define VMALLOC_END 0xd0000000UL
diff --git a/arch/arm/mach-ebsa110/include/mach/vmalloc.h b/arch/arm/mach-ebsa110/include/mach/vmalloc.h
index 60bde56fba4..ea141b7a3e0 100644
--- a/arch/arm/mach-ebsa110/include/mach/vmalloc.h
+++ b/arch/arm/mach-ebsa110/include/mach/vmalloc.h
@@ -7,4 +7,4 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
-#define VMALLOC_END 0xdf000000
+#define VMALLOC_END 0xdf000000UL
diff --git a/arch/arm/mach-footbridge/include/mach/vmalloc.h b/arch/arm/mach-footbridge/include/mach/vmalloc.h
index 0ffbb7c85e5..40ba78e5782 100644
--- a/arch/arm/mach-footbridge/include/mach/vmalloc.h
+++ b/arch/arm/mach-footbridge/include/mach/vmalloc.h
@@ -7,4 +7,4 @@
*/
-#define VMALLOC_END 0xf0000000
+#define VMALLOC_END 0xf0000000UL
diff --git a/arch/arm/mach-h720x/include/mach/vmalloc.h b/arch/arm/mach-h720x/include/mach/vmalloc.h
index a45915b8875..8520b4a4d4e 100644
--- a/arch/arm/mach-h720x/include/mach/vmalloc.h
+++ b/arch/arm/mach-h720x/include/mach/vmalloc.h
@@ -5,6 +5,6 @@
#ifndef __ARCH_ARM_VMALLOC_H
#define __ARCH_ARM_VMALLOC_H
-#define VMALLOC_END 0xd0000000
+#define VMALLOC_END 0xd0000000UL
#endif
diff --git a/arch/arm/mach-imx/eukrea_mbimx27-baseboard.c b/arch/arm/mach-imx/eukrea_mbimx27-baseboard.c
index 026263c665c..7e1e9dc2c8f 100644
--- a/arch/arm/mach-imx/eukrea_mbimx27-baseboard.c
+++ b/arch/arm/mach-imx/eukrea_mbimx27-baseboard.c
@@ -250,9 +250,6 @@ static const struct imxuart_platform_data uart_pdata __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
-#if defined(CONFIG_TOUCHSCREEN_ADS7846) \
- || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
-
#define ADS7846_PENDOWN (GPIO_PORTD | 25)
static void ads7846_dev_init(void)
@@ -273,9 +270,7 @@ static struct ads7846_platform_data ads7846_config __initdata = {
.get_pendown_state = ads7846_get_pendown_state,
.keep_vref_on = 1,
};
-#endif
-#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
static struct spi_board_info eukrea_mbimx27_spi_board_info[] __initdata = {
[0] = {
.modalias = "ads7846",
@@ -294,7 +289,6 @@ static const struct spi_imx_master eukrea_mbimx27_spi0_data __initconst = {
.chipselect = eukrea_mbimx27_spi_cs,
.num_chipselect = ARRAY_SIZE(eukrea_mbimx27_spi_cs),
};
-#endif
static struct i2c_board_info eukrea_mbimx27_i2c_devices[] = {
{
diff --git a/arch/arm/mach-integrator/include/mach/vmalloc.h b/arch/arm/mach-integrator/include/mach/vmalloc.h
index e056e7cf564..2f5a2bafb11 100644
--- a/arch/arm/mach-integrator/include/mach/vmalloc.h
+++ b/arch/arm/mach-integrator/include/mach/vmalloc.h
@@ -17,4 +17,4 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#define VMALLOC_END 0xd0000000
+#define VMALLOC_END 0xd0000000UL
diff --git a/arch/arm/mach-msm/include/mach/vmalloc.h b/arch/arm/mach-msm/include/mach/vmalloc.h
index 31a32ad062d..d138448eff1 100644
--- a/arch/arm/mach-msm/include/mach/vmalloc.h
+++ b/arch/arm/mach-msm/include/mach/vmalloc.h
@@ -16,7 +16,7 @@
#ifndef __ASM_ARCH_MSM_VMALLOC_H
#define __ASM_ARCH_MSM_VMALLOC_H
-#define VMALLOC_END 0xd0000000
+#define VMALLOC_END 0xd0000000UL
#endif
diff --git a/arch/arm/mach-mx25/devices-imx25.h b/arch/arm/mach-mx25/devices-imx25.h
index 93afa10b13c..d94d282fa67 100644
--- a/arch/arm/mach-mx25/devices-imx25.h
+++ b/arch/arm/mach-mx25/devices-imx25.h
@@ -42,9 +42,9 @@ extern const struct imx_mxc_nand_data imx25_mxc_nand_data __initconst;
#define imx25_add_mxc_nand(pdata) \
imx_add_mxc_nand(&imx25_mxc_nand_data, pdata)
-extern const struct imx_spi_imx_data imx25_spi_imx_data[] __initconst;
+extern const struct imx_spi_imx_data imx25_cspi_data[] __initconst;
#define imx25_add_spi_imx(id, pdata) \
- imx_add_spi_imx(&imx25_spi_imx_data[id], pdata)
+ imx_add_spi_imx(&imx25_cspi_data[id], pdata)
#define imx25_add_spi_imx0(pdata) imx25_add_spi_imx(0, pdata)
#define imx25_add_spi_imx1(pdata) imx25_add_spi_imx(1, pdata)
#define imx25_add_spi_imx2(pdata) imx25_add_spi_imx(2, pdata)
diff --git a/arch/arm/mach-mx3/mach-pcm037_eet.c b/arch/arm/mach-mx3/mach-pcm037_eet.c
index 99e0894e07d..fda56545d2f 100644
--- a/arch/arm/mach-mx3/mach-pcm037_eet.c
+++ b/arch/arm/mach-mx3/mach-pcm037_eet.c
@@ -14,6 +14,7 @@
#include <mach/common.h>
#include <mach/iomux-mx3.h>
+#include <mach/spi.h>
#include <asm/mach-types.h>
@@ -59,14 +60,12 @@ static struct spi_board_info pcm037_spi_dev[] = {
};
/* Platform Data for MXC CSPI */
-#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
static int pcm037_spi1_cs[] = {MXC_SPI_CS(1), IOMUX_TO_GPIO(MX31_PIN_KEY_COL7)};
static const struct spi_imx_master pcm037_spi1_pdata __initconst = {
.chipselect = pcm037_spi1_cs,
.num_chipselect = ARRAY_SIZE(pcm037_spi1_cs),
};
-#endif
/* GPIO-keys input device */
static struct gpio_keys_button pcm037_gpio_keys[] = {
@@ -171,7 +170,7 @@ static struct platform_device pcm037_gpio_keys_device = {
},
};
-static int eet_init_devices(void)
+static int __init eet_init_devices(void)
{
if (!machine_is_pcm037() || pcm037_variant() != PCM037_EET)
return 0;
diff --git a/arch/arm/mach-netx/include/mach/vmalloc.h b/arch/arm/mach-netx/include/mach/vmalloc.h
index 7cca3574308..871f1ef7bff 100644
--- a/arch/arm/mach-netx/include/mach/vmalloc.h
+++ b/arch/arm/mach-netx/include/mach/vmalloc.h
@@ -16,4 +16,4 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#define VMALLOC_END 0xd0000000
+#define VMALLOC_END 0xd0000000UL
diff --git a/arch/arm/mach-omap1/include/mach/vmalloc.h b/arch/arm/mach-omap1/include/mach/vmalloc.h
index b001f67d695..22ec4a47957 100644
--- a/arch/arm/mach-omap1/include/mach/vmalloc.h
+++ b/arch/arm/mach-omap1/include/mach/vmalloc.h
@@ -17,4 +17,4 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#define VMALLOC_END 0xd8000000
+#define VMALLOC_END 0xd8000000UL
diff --git a/arch/arm/mach-omap2/include/mach/vmalloc.h b/arch/arm/mach-omap2/include/mach/vmalloc.h
index 4da31e997ef..86631994776 100644
--- a/arch/arm/mach-omap2/include/mach/vmalloc.h
+++ b/arch/arm/mach-omap2/include/mach/vmalloc.h
@@ -17,4 +17,4 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#define VMALLOC_END 0xf8000000
+#define VMALLOC_END 0xf8000000UL
diff --git a/arch/arm/mach-pnx4008/include/mach/vmalloc.h b/arch/arm/mach-pnx4008/include/mach/vmalloc.h
index 31b65ee07b0..184913c7114 100644
--- a/arch/arm/mach-pnx4008/include/mach/vmalloc.h
+++ b/arch/arm/mach-pnx4008/include/mach/vmalloc.h
@@ -17,4 +17,4 @@
* The vmalloc() routines leaves a hole of 4kB between each vmalloced
* area for the same reason. ;)
*/
-#define VMALLOC_END 0xd0000000
+#define VMALLOC_END 0xd0000000UL
diff --git a/arch/arm/mach-rpc/include/mach/vmalloc.h b/arch/arm/mach-rpc/include/mach/vmalloc.h
index 3bcd86fadb8..fb700228637 100644
--- a/arch/arm/mach-rpc/include/mach/vmalloc.h
+++ b/arch/arm/mach-rpc/include/mach/vmalloc.h
@@ -7,4 +7,4 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
-#define VMALLOC_END 0xdc000000
+#define VMALLOC_END 0xdc000000UL
diff --git a/arch/arm/mach-shark/include/mach/vmalloc.h b/arch/arm/mach-shark/include/mach/vmalloc.h
index 8e845b6a7cb..b10df988526 100644
--- a/arch/arm/mach-shark/include/mach/vmalloc.h
+++ b/arch/arm/mach-shark/include/mach/vmalloc.h
@@ -1,4 +1,4 @@
/*
* arch/arm/mach-shark/include/mach/vmalloc.h
*/
-#define VMALLOC_END 0xd0000000
+#define VMALLOC_END 0xd0000000UL
diff --git a/arch/arm/mach-ux500/cpu.c b/arch/arm/mach-ux500/cpu.c
index 73fb1a551ec..608a1372b17 100644
--- a/arch/arm/mach-ux500/cpu.c
+++ b/arch/arm/mach-ux500/cpu.c
@@ -75,14 +75,14 @@ void __init ux500_init_irq(void)
static inline void ux500_cache_wait(void __iomem *reg, unsigned long mask)
{
/* wait for the operation to complete */
- while (readl(reg) & mask)
+ while (readl_relaxed(reg) & mask)
;
}
static inline void ux500_cache_sync(void)
{
void __iomem *base = __io_address(UX500_L2CC_BASE);
- writel(0, base + L2X0_CACHE_SYNC);
+ writel_relaxed(0, base + L2X0_CACHE_SYNC);
ux500_cache_wait(base + L2X0_CACHE_SYNC, 1);
}
@@ -107,7 +107,7 @@ static void ux500_l2x0_inv_all(void)
uint32_t l2x0_way_mask = (1<<16) - 1; /* Bitmask of active ways */
/* invalidate all ways */
- writel(l2x0_way_mask, l2x0_base + L2X0_INV_WAY);
+ writel_relaxed(l2x0_way_mask, l2x0_base + L2X0_INV_WAY);
ux500_cache_wait(l2x0_base + L2X0_INV_WAY, l2x0_way_mask);
ux500_cache_sync();
}
diff --git a/arch/arm/mach-versatile/include/mach/vmalloc.h b/arch/arm/mach-versatile/include/mach/vmalloc.h
index ebd8a2543d3..7d8e069ad51 100644
--- a/arch/arm/mach-versatile/include/mach/vmalloc.h
+++ b/arch/arm/mach-versatile/include/mach/vmalloc.h
@@ -18,4 +18,4 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#define VMALLOC_END 0xd8000000
+#define VMALLOC_END 0xd8000000UL
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index 17e7b0b57e4..55c17a6fb22 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -206,8 +206,8 @@ void __iomem * __arm_ioremap_pfn_caller(unsigned long pfn,
*/
if (pfn_valid(pfn)) {
printk(KERN_WARNING "BUG: Your driver calls ioremap() on system memory. This leads\n"
- KERN_WARNING "to architecturally unpredictable behaviour on ARMv6+, and ioremap()\n"
- KERN_WARNING "will fail in the next kernel release. Please fix your driver.\n");
+ "to architecturally unpredictable behaviour on ARMv6+, and ioremap()\n"
+ "will fail in the next kernel release. Please fix your driver.\n");
WARN_ON(1);
}
diff --git a/arch/arm/plat-mxc/devices/platform-imx-dma.c b/arch/arm/plat-mxc/devices/platform-imx-dma.c
index 02d98901805..3a705c7877d 100644
--- a/arch/arm/plat-mxc/devices/platform-imx-dma.c
+++ b/arch/arm/plat-mxc/devices/platform-imx-dma.c
@@ -12,15 +12,7 @@
#include <mach/hardware.h>
#include <mach/devices-common.h>
-#ifdef SDMA_IS_MERGED
#include <mach/sdma.h>
-#else
-struct sdma_platform_data {
- int sdma_version;
- char *cpu_name;
- int to_version;
-};
-#endif
struct imx_imx_sdma_data {
resource_size_t iobase;
diff --git a/arch/arm/plat-mxc/devices/platform-spi_imx.c b/arch/arm/plat-mxc/devices/platform-spi_imx.c
index e48340ec331..17f724c9452 100644
--- a/arch/arm/plat-mxc/devices/platform-spi_imx.c
+++ b/arch/arm/plat-mxc/devices/platform-spi_imx.c
@@ -27,6 +27,7 @@ const struct imx_spi_imx_data imx21_cspi_data[] __initconst = {
imx_spi_imx_data_entry(MX21, CSPI, "imx21-cspi", _id, _hwid, SZ_4K)
imx21_cspi_data_entry(0, 1),
imx21_cspi_data_entry(1, 2),
+};
#endif
#ifdef CONFIG_ARCH_MX25
diff --git a/arch/arm/plat-nomadik/timer.c b/arch/arm/plat-nomadik/timer.c
index aedf9c1d645..63cdc6025bd 100644
--- a/arch/arm/plat-nomadik/timer.c
+++ b/arch/arm/plat-nomadik/timer.c
@@ -3,6 +3,7 @@
*
* Copyright (C) 2008 STMicroelectronics
* Copyright (C) 2010 Alessandro Rubini
+ * Copyright (C) 2010 Linus Walleij for ST-Ericsson
*
* 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
@@ -16,11 +17,13 @@
#include <linux/clk.h>
#include <linux/jiffies.h>
#include <linux/err.h>
+#include <linux/cnt32_to_63.h>
+#include <linux/timer.h>
#include <asm/mach/time.h>
#include <plat/mtu.h>
-void __iomem *mtu_base; /* ssigned by machine code */
+void __iomem *mtu_base; /* Assigned by machine code */
/*
* Kernel assumes that sched_clock can be called early
@@ -48,16 +51,82 @@ static struct clocksource nmdk_clksrc = {
/*
* Override the global weak sched_clock symbol with this
* local implementation which uses the clocksource to get some
- * better resolution when scheduling the kernel. We accept that
- * this wraps around for now, since it is just a relative time
- * stamp. (Inspired by OMAP implementation.)
+ * better resolution when scheduling the kernel.
+ *
+ * Because the hardware timer period may be quite short
+ * (32.3 secs on the 133 MHz MTU timer selection on ux500)
+ * and because cnt32_to_63() needs to be called at least once per
+ * half period to work properly, a kernel keepwarm() timer is set up
+ * to ensure this requirement is always met.
+ *
+ * Also the sched_clock timer will wrap around at some point,
+ * here we set it to run continously for a year.
*/
+#define SCHED_CLOCK_MIN_WRAP 3600*24*365
+static struct timer_list cnt32_to_63_keepwarm_timer;
+static u32 sched_mult;
+static u32 sched_shift;
+
unsigned long long notrace sched_clock(void)
{
- return clocksource_cyc2ns(nmdk_clksrc.read(
- &nmdk_clksrc),
- nmdk_clksrc.mult,
- nmdk_clksrc.shift);
+ u64 cycles;
+
+ if (unlikely(!mtu_base))
+ return 0;
+
+ cycles = cnt32_to_63(-readl(mtu_base + MTU_VAL(0)));
+ /*
+ * sched_mult is guaranteed to be even so will
+ * shift out bit 63
+ */
+ return (cycles * sched_mult) >> sched_shift;
+}
+
+/* Just kick sched_clock every so often */
+static void cnt32_to_63_keepwarm(unsigned long data)
+{
+ mod_timer(&cnt32_to_63_keepwarm_timer, round_jiffies(jiffies + data));
+ (void) sched_clock();
+}
+
+/*
+ * Set up a timer to keep sched_clock():s 32_to_63 algorithm warm
+ * once in half a 32bit timer wrap interval.
+ */
+static void __init nmdk_sched_clock_init(unsigned long rate)
+{
+ u32 v;
+ unsigned long delta;
+ u64 days;
+
+ /* Find the apropriate mult and shift factors */
+ clocks_calc_mult_shift(&sched_mult, &sched_shift,
+ rate, NSEC_PER_SEC, SCHED_CLOCK_MIN_WRAP);
+ /* We need to multiply by an even number to get rid of bit 63 */
+ if (sched_mult & 1)
+ sched_mult++;
+
+ /* Let's see what we get, take max counter and scale it */
+ days = (0xFFFFFFFFFFFFFFFFLLU * sched_mult) >> sched_shift;
+ do_div(days, NSEC_PER_SEC);
+ do_div(days, (3600*24));
+
+ pr_info("sched_clock: using %d bits @ %lu Hz wrap in %lu days\n",
+ (64 - sched_shift), rate, (unsigned long) days);
+
+ /*
+ * Program a timer to kick us at half 32bit wraparound
+ * Formula: seconds per wrap = (2^32) / f
+ */
+ v = 0xFFFFFFFFUL / rate;
+ /* We want half of the wrap time to keep cnt32_to_63 warm */
+ v /= 2;
+ pr_debug("sched_clock: prescaled timer rate: %lu Hz, "
+ "initialize keepwarm timer every %d seconds\n", rate, v);
+ /* Convert seconds to jiffies */
+ delta = msecs_to_jiffies(v*1000);
+ setup_timer(&cnt32_to_63_keepwarm_timer, cnt32_to_63_keepwarm, delta);
+ mod_timer(&cnt32_to_63_keepwarm_timer, round_jiffies(jiffies + delta));
}
/* Clockevent device: use one-shot mode */
@@ -161,13 +230,15 @@ void __init nmdk_timer_init(void)
writel(0, mtu_base + MTU_BGLR(0));
writel(cr | MTU_CRn_ENA, mtu_base + MTU_CR(0));
- /* Now the scheduling clock is ready */
+ /* Now the clock source is ready */
nmdk_clksrc.read = nmdk_read_timer;
if (clocksource_register(&nmdk_clksrc))
pr_err("timer: failed to initialize clock source %s\n",
nmdk_clksrc.name);
+ nmdk_sched_clock_init(rate);
+
/* Timer 1 is used for events */
clockevents_calc_mult_shift(&nmdk_clkevt, rate, MTU_MIN_RANGE);
diff --git a/drivers/scsi/arm/fas216.h b/drivers/scsi/arm/fas216.h
index 377cfb72cc6..f30f8d659dc 100644
--- a/drivers/scsi/arm/fas216.h
+++ b/drivers/scsi/arm/fas216.h
@@ -345,7 +345,7 @@ extern int fas216_queue_command(struct Scsi_Host *h, struct scsi_cmnd *SCpnt);
* : SCpnt - Command to queue
* Returns : 0 - success, else error
*/
-extern int fas216_noqueue_command(struct Scsi_Host *, struct scsi_cmnd *)
+extern int fas216_noqueue_command(struct Scsi_Host *, struct scsi_cmnd *);
/* Function: irqreturn_t fas216_intr (FAS216_Info *info)
* Purpose : handle interrupts from the interface to progress a command
diff --git a/drivers/video/mx3fb.c b/drivers/video/mx3fb.c
index 7cfc170bce1..ca0f6be9d12 100644
--- a/drivers/video/mx3fb.c
+++ b/drivers/video/mx3fb.c
@@ -27,6 +27,7 @@
#include <linux/clk.h>
#include <linux/mutex.h>
+#include <mach/dma.h>
#include <mach/hardware.h>
#include <mach/ipu.h>
#include <mach/mx3fb.h>
@@ -1420,6 +1421,9 @@ static bool chan_filter(struct dma_chan *chan, void *arg)
struct device *dev;
struct mx3fb_platform_data *mx3fb_pdata;
+ if (!imx_dma_is_ipu(chan))
+ return false;
+
if (!rq)
return false;