Merge branch 'next-samsung-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/cleanup

107 files changed, 909 insertions, 1439 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index c1795c952bf..476074fdb40 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -682,6 +682,7 @@ config ARCH_S3C2410
 	select GENERIC_GPIO
 	select ARCH_HAS_CPUFREQ
 	select HAVE_CLK
+	select CLKDEV_LOOKUP
 	select ARCH_USES_GETTIMEOFFSET
 	select HAVE_S3C2410_I2C if I2C
 	help
@@ -699,6 +700,7 @@ config ARCH_S3C64XX
 	select CPU_V6
 	select ARM_VIC
 	select HAVE_CLK
+	select CLKDEV_LOOKUP
 	select NO_IOPORT
 	select ARCH_USES_GETTIMEOFFSET
 	select ARCH_HAS_CPUFREQ
@@ -723,6 +725,8 @@ config ARCH_S5P64X0
 	select CPU_V6
 	select GENERIC_GPIO
 	select HAVE_CLK
+	select CLKDEV_LOOKUP
+	select CLKSRC_MMIO
 	select HAVE_S3C2410_WATCHDOG if WATCHDOG
 	select GENERIC_CLOCKEVENTS
 	select HAVE_SCHED_CLOCK
@@ -736,6 +740,7 @@ config ARCH_S5PC100
 	bool "Samsung S5PC100"
 	select GENERIC_GPIO
 	select HAVE_CLK
+	select CLKDEV_LOOKUP
 	select CPU_V7
 	select ARM_L1_CACHE_SHIFT_6
 	select ARCH_USES_GETTIMEOFFSET
@@ -751,6 +756,8 @@ config ARCH_S5PV210
 	select ARCH_SPARSEMEM_ENABLE
 	select GENERIC_GPIO
 	select HAVE_CLK
+	select CLKDEV_LOOKUP
+	select CLKSRC_MMIO
 	select ARM_L1_CACHE_SHIFT_6
 	select ARCH_HAS_CPUFREQ
 	select GENERIC_CLOCKEVENTS
@@ -767,6 +774,7 @@ config ARCH_EXYNOS4
 	select ARCH_SPARSEMEM_ENABLE
 	select GENERIC_GPIO
 	select HAVE_CLK
+	select CLKDEV_LOOKUP
 	select ARCH_HAS_CPUFREQ
 	select GENERIC_CLOCKEVENTS
 	select HAVE_S3C_RTC if RTC_CLASS
diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c
index e5681636626..841df7d21c2 100644
--- a/arch/arm/common/dmabounce.c
+++ b/arch/arm/common/dmabounce.c
@@ -255,7 +255,7 @@ static inline dma_addr_t map_single(struct device *dev, void *ptr, size_t size,
 		if (buf == 0) {
 			dev_err(dev, "%s: unable to map unsafe buffer %p!\n",
 			       __func__, ptr);
-			return 0;
+			return ~0;
 		}
 
 		dev_dbg(dev,
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index d53c0abc4dd..2b5b1421596 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -583,7 +583,7 @@ static int armpmu_event_init(struct perf_event *event)
 static void armpmu_enable(struct pmu *pmu)
 {
 	/* Enable all of the perf events on hardware. */
-	int idx;
+	int idx, enabled = 0;
 	struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
 
 	if (!armpmu)
@@ -596,9 +596,11 @@ static void armpmu_enable(struct pmu *pmu)
 			continue;
 
 		armpmu->enable(&event->hw, idx);
+		enabled = 1;
 	}
 
-	armpmu->start();
+	if (enabled)
+		armpmu->start();
 }
 
 static void armpmu_disable(struct pmu *pmu)
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index ed11fb08b05..acbb447ac6b 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -73,6 +73,7 @@ __setup("fpe=", fpe_setup);
 #endif
 
 extern void paging_init(struct machine_desc *desc);
+extern void sanity_check_meminfo(void);
 extern void reboot_setup(char *str);
 
 unsigned int processor_id;
@@ -900,6 +901,7 @@ void __init setup_arch(char **cmdline_p)
 
 	parse_early_param();
 
+	sanity_check_meminfo();
 	arm_memblock_init(&meminfo, mdesc);
 
 	paging_init(mdesc);
diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c
index 60636f499cb..2c277d40cee 100644
--- a/arch/arm/kernel/smp_twd.c
+++ b/arch/arm/kernel/smp_twd.c
@@ -115,7 +115,7 @@ static void __cpuinit twd_calibrate_rate(void)
 		twd_timer_rate = (0xFFFFFFFFU - count) * (HZ / 5);
 
 		printk("%lu.%02luMHz.\n", twd_timer_rate / 1000000,
-			(twd_timer_rate / 1000000) % 100);
+			(twd_timer_rate / 10000) % 100);
 	}
 }
 
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index 1d4b65fd673..6659a0d137a 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -251,9 +251,9 @@ static void ep93xx_uart_set_mctrl(struct amba_device *dev,
 	unsigned int mcr;
 
 	mcr = 0;
-	if (!(mctrl & TIOCM_RTS))
+	if (mctrl & TIOCM_RTS)
 		mcr |= 2;
-	if (!(mctrl & TIOCM_DTR))
+	if (mctrl & TIOCM_DTR)
 		mcr |= 1;
 
 	__raw_writel(mcr, base + EP93XX_UART_MCR_OFFSET);
diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig
index 1435fc31c4b..ae433a052df 100644
--- a/arch/arm/mach-exynos4/Kconfig
+++ b/arch/arm/mach-exynos4/Kconfig
@@ -110,6 +110,8 @@ config MACH_SMDKC210
 	select S3C_DEV_HSMMC1
 	select S3C_DEV_HSMMC2
 	select S3C_DEV_HSMMC3
+	select SAMSUNG_DEV_PWM
+	select SAMSUNG_DEV_BACKLIGHT
 	select EXYNOS4_DEV_PD
 	select EXYNOS4_DEV_SYSMMU
 	select EXYNOS4_SETUP_I2C1
@@ -127,8 +129,10 @@ config MACH_SMDKV310
 	select S3C_DEV_HSMMC1
 	select S3C_DEV_HSMMC2
 	select S3C_DEV_HSMMC3
+	select SAMSUNG_DEV_BACKLIGHT
 	select SAMSUNG_DEV_KEYPAD
 	select EXYNOS4_DEV_PD
+	select SAMSUNG_DEV_PWM
 	select EXYNOS4_DEV_SYSMMU
 	select EXYNOS4_SETUP_I2C1
 	select EXYNOS4_SETUP_KEYPAD
diff --git a/arch/arm/mach-exynos4/clock.c b/arch/arm/mach-exynos4/clock.c
index 871f9d508fd..66494f28bbe 100644
--- a/arch/arm/mach-exynos4/clock.c
+++ b/arch/arm/mach-exynos4/clock.c
@@ -27,24 +27,20 @@
 
 static struct clk clk_sclk_hdmi27m = {
 	.name		= "sclk_hdmi27m",
-	.id		= -1,
 	.rate		= 27000000,
 };
 
 static struct clk clk_sclk_hdmiphy = {
 	.name		= "sclk_hdmiphy",
-	.id		= -1,
 };
 
 static struct clk clk_sclk_usbphy0 = {
 	.name		= "sclk_usbphy0",
-	.id		= -1,
 	.rate		= 27000000,
 };
 
 static struct clk clk_sclk_usbphy1 = {
 	.name		= "sclk_usbphy1",
-	.id		= -1,
 };
 
 static int exynos4_clksrc_mask_top_ctrl(struct clk *clk, int enable)
@@ -132,7 +128,6 @@ static int exynos4_clk_ip_perir_ctrl(struct clk *clk, int enable)
 static struct clksrc_clk clk_mout_apll = {
 	.clk	= {
 		.name		= "mout_apll",
-		.id		= -1,
 	},
 	.sources	= &clk_src_apll,
 	.reg_src	= { .reg = S5P_CLKSRC_CPU, .shift = 0, .size = 1 },
@@ -141,7 +136,6 @@ static struct clksrc_clk clk_mout_apll = {
 static struct clksrc_clk clk_sclk_apll = {
 	.clk	= {
 		.name		= "sclk_apll",
-		.id		= -1,
 		.parent		= &clk_mout_apll.clk,
 	},
 	.reg_div	= { .reg = S5P_CLKDIV_CPU, .shift = 24, .size = 3 },
@@ -150,7 +144,6 @@ static struct clksrc_clk clk_sclk_apll = {
 static struct clksrc_clk clk_mout_epll = {
 	.clk	= {
 		.name		= "mout_epll",
-		.id		= -1,
 	},
 	.sources	= &clk_src_