Merge commit 'v2.6.36-rc5' into perf/core

Merge reason: Pick up the latest fixes in -rc5.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

10 files changed, 109 insertions, 66 deletions

diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index f05a35a5969..1b560825e1c 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -418,11 +418,13 @@ ENDPROC(sys_clone_wrapper)
 
 sys_sigreturn_wrapper:
 		add	r0, sp, #S_OFF
+		mov	why, #0		@ prevent syscall restart handling
 		b	sys_sigreturn
 ENDPROC(sys_sigreturn_wrapper)
 
 sys_rt_sigreturn_wrapper:
 		add	r0, sp, #S_OFF
+		mov	why, #0		@ prevent syscall restart handling
 		b	sys_rt_sigreturn
 ENDPROC(sys_rt_sigreturn_wrapper)
 
diff --git a/arch/arm/mach-s3c64xx/dev-spi.c b/arch/arm/mach-s3c64xx/dev-spi.c
index a492b982aa0..405e6212891 100644
--- a/arch/arm/mach-s3c64xx/dev-spi.c
+++ b/arch/arm/mach-s3c64xx/dev-spi.c
@@ -18,10 +18,11 @@
 #include <mach/map.h>
 #include <mach/gpio-bank-c.h>
 #include <mach/spi-clocks.h>
+#include <mach/irqs.h>
 
 #include <plat/s3c64xx-spi.h>
 #include <plat/gpio-cfg.h>
-#include <plat/irqs.h>
+#include <plat/devs.h>
 
 static char *spi_src_clks[] = {
 	[S3C64XX_SPI_SRCCLK_PCLK] = "pclk",
diff --git a/arch/arm/mach-s3c64xx/mach-real6410.c b/arch/arm/mach-s3c64xx/mach-real6410.c
index 5c07d013b23..e130379ba0e 100644
--- a/arch/arm/mach-s3c64xx/mach-real6410.c
+++ b/arch/arm/mach-s3c64xx/mach-real6410.c
@@ -30,73 +30,73 @@
 #include <plat/devs.h>
 #include <plat/regs-serial.h>
 
-#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
-#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
-#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
+#define UCON (S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK)
+#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
+#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
 
 static struct s3c2410_uartcfg real6410_uartcfgs[] __initdata = {
 	[0] = {
-		.hwport	     = 0,
-		.flags	     = 0,
-		.ucon	     = UCON,
-		.ulcon	     = ULCON,
-		.ufcon	     = UFCON,
+		.hwport	= 0,
+		.flags	= 0,
+		.ucon	= UCON,
+		.ulcon	= ULCON,
+		.ufcon	= UFCON,
 	},
 	[1] = {
-		.hwport	     = 1,
-		.flags	     = 0,
-		.ucon	     = UCON,
-		.ulcon	     = ULCON,
-		.ufcon	     = UFCON,
+		.hwport	= 1,
+		.flags	= 0,
+		.ucon	= UCON,
+		.ulcon	= ULCON,
+		.ufcon	= UFCON,
 	},
 	[2] = {
-		.hwport	     = 2,
-		.flags	     = 0,
-		.ucon	     = UCON,
-		.ulcon	     = ULCON,
-		.ufcon	     = UFCON,
+		.hwport	= 2,
+		.flags	= 0,
+		.ucon	= UCON,
+		.ulcon	= ULCON,
+		.ufcon	= UFCON,
 	},
 	[3] = {
-		.hwport	     = 3,
-		.flags	     = 0,
-		.ucon	     = UCON,
-		.ulcon	     = ULCON,
-		.ufcon	     = UFCON,
+		.hwport	= 3,
+		.flags	= 0,
+		.ucon	= UCON,
+		.ulcon	= ULCON,
+		.ufcon	= UFCON,
 	},
 };
 
 /* DM9000AEP 10/100 ethernet controller */
 
 static struct resource real6410_dm9k_resource[] = {
-        [0] = {
-                .start = S3C64XX_PA_XM0CSN1,
-                .end   = S3C64XX_PA_XM0CSN1 + 1,
-                .flags = IORESOURCE_MEM
-        },
-        [1] = {
-                .start = S3C64XX_PA_XM0CSN1 + 4,
-                .end   = S3C64XX_PA_XM0CSN1 + 5,
-                .flags = IORESOURCE_MEM
-        },
-        [2] = {
-                .start = S3C_EINT(7),
-                .end   = S3C_EINT(7),
-                .flags = IORESOURCE_IRQ,
-        }
+	[0] = {
+		.start	= S3C64XX_PA_XM0CSN1,
+		.end	= S3C64XX_PA_XM0CSN1 + 1,
+		.flags	= IORESOURCE_MEM
+	},
+	[1] = {
+		.start	= S3C64XX_PA_XM0CSN1 + 4,
+		.end	= S3C64XX_PA_XM0CSN1 + 5,
+		.flags	= IORESOURCE_MEM
+	},
+	[2] = {
+		.start	= S3C_EINT(7),
+		.end	= S3C_EINT(7),
+		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL
+	}
 };
 
 static struct dm9000_plat_data real6410_dm9k_pdata = {
-        .flags          = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
+	.flags		= (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
 };
 
 static struct platform_device real6410_device_eth = {
-        .name           = "dm9000",
-        .id             = -1,
-        .num_resources  = ARRAY_SIZE(real6410_dm9k_resource),
-        .resource       = real6410_dm9k_resource,
-        .dev            = {
-                .platform_data  = &real6410_dm9k_pdata,
-        },
+	.name		= "dm9000",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(real6410_dm9k_resource),
+	.resource	= real6410_dm9k_resource,
+	.dev		= {
+		.platform_data	= &real6410_dm9k_pdata,
+	},
 };
 
 static struct platform_device *real6410_devices[] __initdata = {
@@ -129,12 +129,12 @@ static void __init real6410_machine_init(void)
 	/* set timing for nCS1 suitable for ethernet chip */
 
 	__raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT) |
-			(6 << S3C64XX_SROM_BCX__TACP__SHIFT) |
-			(4 << S3C64XX_SROM_BCX__TCAH__SHIFT) |
-			(1 << S3C64XX_SROM_BCX__TCOH__SHIFT) |
-			(13 << S3C64XX_SROM_BCX__TACC__SHIFT) |
-			(4 << S3C64XX_SROM_BCX__TCOS__SHIFT) |
-			(0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1);
+		(6 << S3C64XX_SROM_BCX__TACP__SHIFT) |
+		(4 << S3C64XX_SROM_BCX__TCAH__SHIFT) |
+		(1 << S3C64XX_SROM_BCX__TCOH__SHIFT) |
+		(13 << S3C64XX_SROM_BCX__TACC__SHIFT) |
+		(4 << S3C64XX_SROM_BCX__TCOS__SHIFT) |
+		(0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1);
 
 	platform_add_devices(real6410_devices, ARRAY_SIZE(real6410_devices));
 }
diff --git a/arch/arm/mach-s5pv210/clock.c b/arch/arm/mach-s5pv210/clock.c
index af91fefef2c..cfecd70657c 100644
--- a/arch/arm/mach-s5pv210/clock.c
+++ b/arch/arm/mach-s5pv210/clock.c
@@ -281,6 +281,24 @@ static struct clk init_clocks_disable[] = {
 		.enable		= s5pv210_clk_ip0_ctrl,
 		.ctrlbit	= (1<<29),
 	}, {
+		.name		= "fimc",
+		.id		= 0,
+		.parent		= &clk_hclk_dsys.clk,
+		.enable		= s5pv210_clk_ip0_ctrl,
+		.ctrlbit	= (1 << 24),
+	}, {
+		.name		= "fimc",
+		.id		= 1,
+		.parent		= &clk_hclk_dsys.clk,
+		.enable		= s5pv210_clk_ip0_ctrl,
+		.ctrlbit	= (1 << 25),
+	}, {
+		.name		= "fimc",
+		.id		= 2,
+		.parent		= &clk_hclk_dsys.clk,
+		.enable		= s5pv210_clk_ip0_ctrl,
+		.ctrlbit	= (1 << 26),
+	}, {
 		.name		= "otg",
 		.id		= -1,
 		.parent		= &clk_hclk_psys.clk,
@@ -357,7 +375,7 @@ static struct clk init_clocks_disable[] = {
 		.id		= 1,
 		.parent		= &clk_pclk_psys.clk,
 		.enable		= s5pv210_clk_ip3_ctrl,
-		.ctrlbit	= (1<<8),
+		.ctrlbit	= (1 << 10),
 	}, {
 		.name		= "i2c",
 		.id		= 2,
diff --git a/arch/arm/mach-s5pv210/cpu.c b/arch/arm/mach-s5pv210/cpu.c
index b9f4d677cf5..77f456c91ad 100644
--- a/arch/arm/mach-s5pv210/cpu.c
+++ b/arch/arm/mach-s5pv210/cpu.c
@@ -47,7 +47,7 @@ static struct map_desc s5pv210_iodesc[] __initdata = {
 	{
 		.virtual	= (unsigned long)S5P_VA_SYSTIMER,
 		.pfn		= __phys_to_pfn(S5PV210_PA_SYSTIMER),
-		.length		= SZ_1M,
+		.length		= SZ_4K,
 		.type		= MT_DEVICE,
 	}, {
 		.virtual	= (unsigned long)VA_VIC2,
diff --git a/arch/arm/plat-s5p/dev-fimc0.c b/arch/arm/plat-s5p/dev-fimc0.c
index d3f1a9b5d2b..608770fc153 100644
--- a/arch/arm/plat-s5p/dev-fimc0.c
+++ b/arch/arm/plat-s5p/dev-fimc0.c
@@ -10,6 +10,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/dma-mapping.h>
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
 #include <linux/ioport.h>
@@ -18,7 +19,7 @@
 static struct resource s5p_fimc0_resource[] = {
 	[0] = {
 		.start	= S5P_PA_FIMC0,
-		.end	= S5P_PA_FIMC0 + SZ_1M - 1,
+		.end	= S5P_PA_FIMC0 + SZ_4K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -28,9 +29,15 @@ static struct resource s5p_fimc0_resource[] = {
 	},
 };
 
+static u64 s5p_fimc0_dma_mask = DMA_BIT_MASK(32);
+
 struct platform_device s5p_device_fimc0 = {
 	.name		= "s5p-fimc",
 	.id		= 0,
 	.num_resources	= ARRAY_SIZE(s5p_fimc0_resource),
 	.resource	= s5p_fimc0_resource,
+	.dev		= {
+		.dma_mask		= &s5p_fimc0_dma_mask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
 };
diff --git a/arch/arm/plat-s5p/dev-fimc1.c b/arch/arm/plat-s5p/dev-fimc1.c
index 41bd6986d0a..76e3a97a87d 100644
--- a/arch/arm/plat-s5p/dev-fimc1.c
+++ b/arch/arm/plat-s5p/dev-fimc1.c
@@ -10,6 +10,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/dma-mapping.h>
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
 #include <linux/ioport.h>
@@ -18,7 +19,7 @@
 static struct resource s5p_fimc1_resource[] = {
 	[0] = {
 		.start	= S5P_PA_FIMC1,
-		.end	= S5P_PA_FIMC1 + SZ_1M - 1,
+		.end	= S5P_PA_FIMC1 + SZ_4K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -28,9 +29,15 @@ static struct resource s5p_fimc1_resource[] = {
 	},
 };
 
+static u64 s5p_fimc1_dma_mask = DMA_BIT_MASK(32);
+
 struct platform_device s5p_device_fimc1 = {
 	.name		= "s5p-fimc",
 	.id		= 1,
 	.num_resources	= ARRAY_SIZE(s5p_fimc1_resource),
 	.resource	= s5p_fimc1_resource,
+	.dev		= {
+		.dma_mask		= &s5p_fimc1_dma_mask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
 };
diff --git a/arch/arm/plat-s5p/dev-fimc2.c b/arch/arm/plat-s5p/dev-fimc2.c
index dfddeda6d4a..24d29816fa2 100644
--- a/arch/arm/plat-s5p/dev-fimc2.c
+++ b/arch/arm/plat-s5p/dev-fimc2.c
@@ -10,6 +10,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/dma-mapping.h>
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
 #include <linux/ioport.h>
@@ -18,7 +19,7 @@
 static struct resource s5p_fimc2_resource[] = {
 	[0] = {
 		.start	= S5P_PA_FIMC2,
-		.end	= S5P_PA_FIMC2 + SZ_1M - 1,
+		.end	= S5P_PA_FIMC2 + SZ_4K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -28,9 +29,15 @@ static struct resource s5p_fimc2_resource[] = {
 	},
 };
 
+static u64 s5p_fimc2_dma_mask = DMA_BIT_MASK(32);
+
 struct platform_device s5p_device_fimc2 = {
 	.name		= "s5p-fimc",
 	.id		= 2,
 	.num_resources	= ARRAY_SIZE(s5p_fimc2_resource),
 	.resource	= s5p_fimc2_resource,
+	.dev		= {
+		.dma_mask		= &s5p_fimc2_dma_mask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
 };
diff --git a/arch/arm/plat-samsung/gpio-config.c b/arch/arm/plat-samsung/gpio-config.c
index 57b68a50f45..e3d41eaed1f 100644
--- a/arch/arm/plat-samsung/gpio-config.c
+++ b/arch/arm/plat-samsung/gpio-config.c
@@ -273,13 +273,13 @@ s5p_gpio_drvstr_t s5p_gpio_get_drvstr(unsigned int pin)
 	if (!chip)
 		return -EINVAL;
 
-	off = chip->chip.base - pin;
+	off = pin - chip->chip.base;
 	shift = off * 2;
 	reg = chip->base + 0x0C;
 
 	drvstr = __raw_readl(reg);
-	drvstr = 0xffff & (0x3 << shift);
 	drvstr = drvstr >> shift;
+	drvstr &= 0x3;
 
 	return (__force s5p_gpio_drvstr_t)drvstr;
 }
@@ -296,11 +296,12 @@ int s5p_gpio_set_drvstr(unsigned int pin, s5p_gpio_drvstr_t drvstr)
 	if (!chip)
 		return -EINVAL;
 
-	off = chip->chip.base - pin;
+	off = pin - chip->chip.base;
 	shift = off * 2;
 	reg = chip->base + 0x0C;
 
 	tmp = __raw_readl(reg);
+	tmp &= ~(0x3 << shift);
 	tmp |= drvstr << shift;
 
 	__raw_writel(tmp, reg);
diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg.h b/arch/arm/plat-samsung/include/plat/gpio-cfg.h
index db4112c6f2b..1c6b92947c5 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-cfg.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-cfg.h
@@ -143,12 +143,12 @@ extern s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin);
 /* Define values for the drvstr available for each gpio pin.
  *
  * These values control the value of the output signal driver strength,
- * configurable on most pins on the S5C series.
+ * configurable on most pins on the S5P series.
  */
-#define S5P_GPIO_DRVSTR_LV1	((__force s5p_gpio_drvstr_t)0x00)
-#define S5P_GPIO_DRVSTR_LV2	((__force s5p_gpio_drvstr_t)0x01)
-#define S5P_GPIO_DRVSTR_LV3	((__force s5p_gpio_drvstr_t)0x10)
-#define S5P_GPIO_DRVSTR_LV4	((__force s5p_gpio_drvstr_t)0x11)
+#define S5P_GPIO_DRVSTR_LV1	((__force s5p_gpio_drvstr_t)0x0)
+#define S5P_GPIO_DRVSTR_LV2	((__force s5p_gpio_drvstr_t)0x2)
+#define S5P_GPIO_DRVSTR_LV3	((__force s5p_gpio_drvstr_t)0x1)
+#define S5P_GPIO_DRVSTR_LV4	((__force s5p_gpio_drvstr_t)0x3)
 
 /**
  * s5c_gpio_get_drvstr() - get the driver streght value of a gpio pin