Merge branch 'tip/perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace into perf/core

19 files changed, 256 insertions, 134 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 776d76b8cb69..b259c7c644e3 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1246,7 +1246,7 @@ config PL310_ERRATA_588369
 
 config ARM_ERRATA_720789
 	bool "ARM errata: TLBIASIDIS and TLBIMVAIS operations can broadcast a faulty ASID"
-	depends on CPU_V7 && SMP
+	depends on CPU_V7
 	help
 	  This option enables the workaround for the 720789 Cortex-A9 (prior to
 	  r2p0) erratum. A faulty ASID can be sent to the other CPUs for the
@@ -1282,7 +1282,7 @@ config ARM_ERRATA_743622
 
 config ARM_ERRATA_751472
 	bool "ARM errata: Interrupted ICIALLUIS may prevent completion of broadcasted operation"
-	depends on CPU_V7 && SMP
+	depends on CPU_V7
 	help
 	  This option enables the workaround for the 751472 Cortex-A9 (prior
 	  to r3p0) erratum. An interrupted ICIALLUIS operation may prevent the
diff --git a/arch/arm/common/pl330.c b/arch/arm/common/pl330.c
index f407a6b35d3d..8d8df744f7a5 100644
--- a/arch/arm/common/pl330.c
+++ b/arch/arm/common/pl330.c
@@ -221,17 +221,6 @@
  */
 #define MCODE_BUFF_PER_REQ	256
 
-/*
- * Mark a _pl330_req as free.
- * We do it by writing DMAEND as the first instruction
- * because no valid request is going to have DMAEND as
- * its first instruction to execute.
- */
-#define MARK_FREE(req)	do { \
-				_emit_END(0, (req)->mc_cpu); \
-				(req)->mc_len = 0; \
-			} while (0)
-
 /* If the _pl330_req is available to the client */
 #define IS_FREE(req)	(*((u8 *)((req)->mc_cpu)) == CMD_DMAEND)
 
@@ -301,8 +290,10 @@ struct pl330_thread {
 	struct pl330_dmac *dmac;
 	/* Only two at a time */
 	struct _pl330_req req[2];
-	/* Index of the last submitted request */
+	/* Index of the last enqueued request */
 	unsigned lstenq;
+	/* Index of the last submitted request or -1 if the DMA is stopped */
+	int req_running;
 };
 
 enum pl330_dmac_state {
@@ -778,6 +769,22 @@ static inline void _execute_DBGINSN(struct pl330_thread *thrd,
 	writel(0, regs + DBGCMD);
 }
 
+/*
+ * Mark a _pl330_req as free.
+ * We do it by writing DMAEND as the first instruction
+ * because no valid request is going to have DMAEND as
+ * its first instruction to execute.
+ */
+static void mark_free(struct pl330_thread *thrd, int idx)
+{
+	struct _pl330_req *req = &thrd->req[idx];
+
+	_emit_END(0, req->mc_cpu);
+	req->mc_len = 0;
+
+	thrd->req_running = -1;
+}
+
 static inline u32 _state(struct pl330_thread *thrd)
 {
 	void __iomem *regs = thrd->dmac->pinfo->base;
@@ -836,31 +843,6 @@ static inline u32 _state(struct pl330_thread *thrd)
 	}
 }
 
-/* If the request 'req' of thread 'thrd' is currently active */
-static inline bool _req_active(struct pl330_thread *thrd,
-		struct _pl330_req *req)
-{
-	void __iomem *regs = thrd->dmac->pinfo->base;
-	u32 buf = req->mc_bus, pc = readl(regs + CPC(thrd->id));
-
-	if (IS_FREE(req))
-		return false;
-
-	return (pc >= buf && pc <= buf + req->mc_len) ? true : false;
-}
-
-/* Returns 0 if the thread is inactive, ID of active req + 1 otherwise */
-static inline unsigned _thrd_active(struct pl330_thread *thrd)
-{
-	if (_req_active(thrd, &thrd->req[0]))
-		return 1; /* First req active */
-
-	if (_req_active(thrd, &thrd->req[1]))
-		return 2; /* Second req active */
-
-	return 0;
-}
-
 static void _stop(struct pl330_thread *thrd)
 {
 	void __iomem *regs = thrd->dmac->pinfo->base;
@@ -892,17 +874,22 @@ static bool _trigger(struct pl330_thread *thrd)
 	struct _arg_GO go;
 	unsigned ns;
 	u8 insn[6] = {0, 0, 0, 0, 0, 0};
+	int idx;
 
 	/* Return if already ACTIVE */
 	if (_state(thrd) != PL330_STATE_STOPPED)
 		return true;
 
-	if (!IS_FREE(&thrd->req[1 - thrd->lstenq]))
-		req = &thrd->req[1 - thrd->lstenq];
-	else if (!IS_FREE(&thrd->req[thrd->lstenq]))
-		req = &thrd->req[thrd->lstenq];
-	else
-		req = NULL;
+	idx = 1 - thrd->lstenq;
+	if (!IS_FREE(&thrd->req[idx]))
+		req = &thrd->req[idx];
+	else {
+		idx = thrd->lstenq;
+		if (!IS_FREE(&thrd->req[idx]))
+			req = &thrd->req[idx];
+		else
+			req = NULL;
+	}
 
 	/* Return if no request */
 	if (!req || !req->r)
@@ -933,6 +920,8 @@ static bool _trigger(struct pl330_thread *thrd)
 	/* Only manager can execute GO */
 	_execute_DBGINSN(thrd, insn, true);
 
+	thrd->req_running = idx;
+
 	return true;
 }
 
@@ -1382,8 +1371,8 @@ static void pl330_dotask(unsigned long data)
 
 			thrd->req[0].r = NULL;
 			thrd->req[1].r = NULL;
-			MARK_FREE(&thrd->req[0]);
-			MARK_FREE(&thrd->req[1]);
+			mark_free(thrd, 0);
+			mark_free(thrd, 1);
 
 			/* Clear the reset flag */
 			pl330->dmac_tbd.reset_chan &= ~(1 << i);
@@ -1461,14 +1450,12 @@ int pl330_update(const struct pl330_info *pi)
 
 			thrd = &pl330->channels[id];
 
-			active = _thrd_active(thrd);
-			if (!active) /* Aborted */
+			active = thrd->req_running;
+			if (active == -1) /* Aborted */
 				continue;
 
-			active -= 1;
-
 			rqdone = &thrd->req[active];
-			MARK_FREE(rqdone);
+			mark_free(thrd, active);
 
 			/* Get going again ASAP */
 			_start(thrd);
@@ -1509,7 +1496,7 @@ int pl330_chan_ctrl(void *ch_id, enum pl330_chan_op op)
 	struct pl330_thread *thrd = ch_id;
 	struct pl330_dmac *pl330;
 	unsigned long flags;
-	int ret = 0, active;
+	int ret = 0, active = thrd->req_running;
 
 	if (!thrd || thrd->free || thrd->dmac->state == DYING)
 		return -EINVAL;
@@ -1525,28 +1512,24 @@ int pl330_chan_ctrl(void *ch_id, enum pl330_chan_op op)
 
 		thrd->req[0].r = NULL;
 		thrd->req[1].r = NULL;
-		MARK_FREE(&thrd->req[0]);
-		MARK_FREE(&thrd->req[1]);
+		mark_free(thrd, 0);
+		mark_free(thrd, 1);
 		break;
 
 	case PL330_OP_ABORT:
-		active = _thrd_active(thrd);
-
 		/* Make sure the channel is stopped */
 		_stop(thrd);
 
 		/* ABORT is only for the active req */
-		if (!active)
+		if (active == -1)
 			break;
 
-		active--;
-
 		thrd->req[active].r = NULL;
-		MARK_FREE(&thrd->req[active]);
+		mark_free(thrd, active);
 
 		/* Start the next */
 	case PL330_OP_START:
-		if (!_thrd_active(thrd) && !_start(thrd))
+		if ((active == -1) && !_start(thrd))
 			ret = -EIO;
 		break;
 
@@ -1587,14 +1570,13 @@ int pl330_chan_status(void *ch_id, struct pl330_chanstatus *pstatus)
 	else
 		pstatus->faulting = false;
 
-	active = _thrd_active(thrd);
+	active = thrd->req_running;
 
-	if (!active) {
+	if (active == -1) {
 		/* Indicate that the thread is not running */
 		pstatus->top_req = NULL;
 		pstatus->wait_req = NULL;
 	} else {
-		active--;
 		pstatus->top_req = thrd->req[active].r;
 		pstatus->wait_req = !IS_FREE(&thrd->req[1 - active])
 					? thrd->req[1 - active].r : NULL;
@@ -1659,9 +1641,9 @@ void *pl330_request_channel(const struct pl330_info *pi)
 				thrd->free = false;
 				thrd->lstenq = 1;
 				thrd->req[0].r = NULL;
-				MARK_FREE(&thrd->req[0]);
+				mark_free(thrd, 0);
 				thrd->req[1].r = NULL;
-				MARK_FREE(&thrd->req[1]);
+				mark_free(thrd, 1);
 				break;
 			}
 		}
@@ -1767,14 +1749,14 @@ static inline void _reset_thread(struct pl330_thread *thrd)
 	thrd->req[0].mc_bus = pl330->mcode_bus
 				+ (thrd->id * pi->mcbufsz);
 	thrd->req[0].r = NULL;
-	MARK_FREE(&thrd->req[0]);
+	mark_free(thrd, 0);
 
 	thrd->req[1].mc_cpu = thrd->req[0].mc_cpu
 				+ pi->mcbufsz / 2;
 	thrd->req[1].mc_bus = thrd->req[0].mc_bus
 				+ pi->mcbufsz / 2;
 	thrd->req[1].r = NULL;
-	MARK_FREE(&thrd->req[1]);
+	mark_free(thrd, 1);
 }
 
 static int dmac_alloc_threads(struct pl330_dmac *pl330)
diff --git a/arch/arm/configs/imx_v4_v5_defconfig b/arch/arm/configs/imx_v4_v5_defconfig
index 11a4192197c8..cf497ce41dfe 100644
--- a/arch/arm/configs/imx_v4_v5_defconfig
+++ b/arch/arm/configs/imx_v4_v5_defconfig
@@ -18,9 +18,10 @@ CONFIG_ARCH_MXC=y
 CONFIG_ARCH_IMX_V4_V5=y
 CONFIG_ARCH_MX1ADS=y
 CONFIG_MACH_SCB9328=y
+CONFIG_MACH_APF9328=y
 CONFIG_MACH_MX21ADS=y
 CONFIG_MACH_MX25_3DS=y
-CONFIG_MACH_EUKREA_CPUIMX25=y
+CONFIG_MACH_EUKREA_CPUIMX25SD=y
 CONFIG_MACH_MX27ADS=y
 CONFIG_MACH_PCM038=y
 CONFIG_MACH_CPUIMX27=y
@@ -72,17 +73,16 @@ CONFIG_MTD_CFI_GEOMETRY=y
 CONFIG_MTD_CFI_INTELEXT=y
 CONFIG_MTD_PHYSMAP=y
 CONFIG_MTD_NAND=y
+CONFIG_MTD_NAND_MXC=y
 CONFIG_MTD_UBI=y
 CONFIG_MISC_DEVICES=y
 CONFIG_EEPROM_AT24=y
 CONFIG_EEPROM_AT25=y
 CONFIG_NETDEVICES=y
-CONFIG_NET_ETHERNET=y
-CONFIG_SMC91X=y
 CONFIG_DM9000=y
+CONFIG_SMC91X=y
 CONFIG_SMC911X=y
-# CONFIG_NETDEV_1000 is not set
-# CONFIG_NETDEV_10000 is not set
+CONFIG_SMSC_PHY=y
 # CONFIG_INPUT_MOUSEDEV is not set
 CONFIG_INPUT_EVDEV=y
 # CONFIG_INPUT_KEYBOARD is not set
@@ -100,6 +100,7 @@ CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_IMX=y
 CONFIG_SPI=y
 CONFIG_SPI_IMX=y
+CONFIG_SPI_SPIDEV=y
 CONFIG_W1=y
 CONFIG_W1_MASTER_MXC=y
 CONFIG_W1_SLAVE_THERM=y
@@ -139,6 +140,7 @@ CONFIG_MMC=y
 CONFIG_MMC_MXC=y
 CONFIG_NEW_LEDS=y
 CONFIG_LEDS_CLASS=y
+CONFIG_LEDS_GPIO=y
 CONFIG_LEDS_MC13783=y
 CONFIG_LEDS_TRIGGERS=y
 CONFIG_LEDS_TRIGGER_TIMER=y
diff --git a/arch/arm/mach-exynos/cpu.c b/arch/arm/mach-exynos/cpu.c
index 90ec247f3b37..cc8d4bd6d0f7 100644
--- a/arch/arm/mach-exynos/cpu.c
+++ b/arch/arm/mach-exynos/cpu.c
@@ -111,11 +111,6 @@ static struct map_desc exynos4_iodesc[] __initdata = {
 		.length		= SZ_4K,
 		.type		= MT_DEVICE,
 	}, {
-		.virtual	= (unsigned long)S5P_VA_SROMC,
-		.pfn		= __phys_to_pfn(EXYNOS4_PA_SROMC),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
 		.virtual	= (unsigned long)S3C_VA_USB_HSPHY,
 		.pfn		= __phys_to_pfn(EXYNOS4_PA_HSPHY),
 		.length		= SZ_4K,
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index c44aa974e79c..0e6f1af260b6 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -132,7 +132,7 @@ config MACH_MX25_3DS
 	select IMX_HAVE_PLATFORM_MXC_NAND
 	select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
 
-config MACH_EUKREA_CPUIMX25
+config MACH_EUKREA_CPUIMX25SD
 	bool "Support Eukrea CPUIMX25 Platform"
 	select SOC_IMX25
 	select IMX_HAVE_PLATFORM_FLEXCAN
@@ -148,7 +148,7 @@ config MACH_EUKREA_CPUIMX25
 
 choice
 	prompt "Baseboard"
-	depends on MACH_EUKREA_CPUIMX25
+	depends on MACH_EUKREA_CPUIMX25SD
 	default MACH_EUKREA_MBIMXSD25_BASEBOARD
 
 config MACH_EUKREA_MBIMXSD25_BASEBOARD
@@ -542,7 +542,7 @@ config MACH_MX35_3DS
 	  Include support for MX35PDK platform. This includes specific
 	  configurations for the board and its peripherals.
 
-config MACH_EUKREA_CPUIMX35
+config MACH_EUKREA_CPUIMX35SD
 	bool "Support Eukrea CPUIMX35 Platform"
 	select SOC_IMX35
 	select IMX_HAVE_PLATFORM_FLEXCAN
@@ -560,7 +560,7 @@ config MACH_EUKREA_CPUIMX35
 
 choice
 	prompt "Baseboard"
-	depends on MACH_EUKREA_CPUIMX35
+	depends on MACH_EUKREA_CPUIMX35SD
 	default MACH_EUKREA_MBIMXSD35_BASEBOARD
 
 config MACH_EUKREA_MBIMXSD35_BASEBOARD
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index aba73214c2a8..d97f409ce98b 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -24,7 +24,7 @@ obj-$(CONFIG_MACH_MX21ADS) += mach-mx21ads.o
 
 # i.MX25 based machines
 obj-$(CONFIG_MACH_MX25_3DS) += mach-mx25_3ds.o
-obj-$(CONFIG_MACH_EUKREA_CPUIMX25) += mach-eukrea_cpuimx25.o
+obj-$(CONFIG_MACH_EUKREA_CPUIMX25SD) += mach-eukrea_cpuimx25.o
 obj-$(CONFIG_MACH_EUKREA_MBIMXSD25_BASEBOARD) += eukrea_mbimxsd25-baseboard.o
 
 # i.MX27 based machines
@@ -57,7 +57,7 @@ obj-$(CONFIG_MACH_BUG) += mach-bug.o
 # i.MX35 based machines
 obj-$(CONFIG_MACH_PCM043) += mach-pcm043.o
 obj-$(CONFIG_MACH_MX35_3DS) += mach-mx35_3ds.o
-obj-$(CONFIG_MACH_EUKREA_CPUIMX35) += mach-cpuimx35.o
+obj-$(CONFIG_MACH_EUKREA_CPUIMX35SD) += mach-cpuimx35.o
 obj-$(CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD) += eukrea_mbimxsd35-baseboard.o
 obj-$(CONFIG_MACH_VPR200) += mach-vpr200.o
 
diff --git a/arch/arm/mach-imx/clock-imx35.c b/arch/arm/mach-imx/clock-imx35.c
index 8116f119517d..ac8238caecb9 100644
--- a/arch/arm/mach-imx/clock-imx35.c
+++ b/arch/arm/mach-imx/clock-imx35.c
@@ -507,7 +507,7 @@ static struct clk_lookup lookups[] = {
 
 int __init mx35_clocks_init()
 {
-	unsigned int cgr2 = 3 << 26, cgr3 = 0;
+	unsigned int cgr2 = 3 << 26;
 
 #if defined(CONFIG_DEBUG_LL) && !defined(CONFIG_DEBUG_ICEDCC)
 	cgr2 |= 3 << 16;
@@ -521,6 +521,12 @@ int __init mx35_clocks_init()
 	__raw_writel((3 << 18), CCM_BASE + CCM_CGR0);
 	__raw_writel((3 << 2) | (3 << 4) | (3 << 6) | (3 << 8) | (3 << 16),
 			CCM_BASE + CCM_CGR1);
+	__raw_writel(cgr2, CCM_BASE + CCM_CGR2);
+	__raw_writel(0, CCM_BASE + CCM_CGR3);
+
+	clk_enable(&iim_clk);
+	imx_print_silicon_rev("i.MX35", mx35_revision());
+	clk_disable(&iim_clk);
 
 	/*
 	 * Check if we came up in internal boot mode. If yes, we need some
@@ -529,17 +535,11 @@ int __init mx35_clocks_init()
 	 */
 	if (!(__raw_readl(CCM_BASE + CCM_RCSR) & (3 << 10))) {
 		/* Additionally turn on UART1, SCC, and IIM clocks */
-		cgr2 |= 3 << 16 | 3 << 4;
-		cgr3 |= 3 << 2;
+		clk_enable(&iim_clk);
+		clk_enable(&uart1_clk);
+		clk_enable(&scc_clk);
 	}
 
-	__raw_writel(cgr2, CCM_BASE + CCM_CGR2);
-	__raw_writel(cgr3, CCM_BASE + CCM_CGR3);
-
-	clk_enable(&iim_clk);
-	imx_print_silicon_rev("i.MX35", mx35_revision());
-	clk_disable(&iim_clk);
-
 #ifdef CONFIG_MXC_USE_EPIT
 	epit_timer_init(&epit1_clk,
 			MX35_IO_ADDRESS(MX35_EPIT1_BASE_ADDR), MX35_INT_EPIT1);
diff --git a/arch/arm/mach-imx/mach-cpuimx35.c b/arch/arm/mach-imx/mach-cpuimx35.c
index 66af2e8f7e57..362aae780601 100644
--- a/arch/arm/mach-imx/mach-cpuimx35.c
+++ b/arch/arm/mach-imx/mach-cpuimx35.c
@@ -53,12 +53,18 @@ static const struct imxi2c_platform_data
 	.bitrate =		100000,
 };
 
+#define TSC2007_IRQGPIO		IMX_GPIO_NR(3, 2)
+static int tsc2007_get_pendown_state(void)
+{
+	return !gpio_get_value(TSC2007_IRQGPIO);
+}
+
 static struct tsc2007_platform_data tsc2007_info = {
 	.model			= 2007,
 	.x_plate_ohms		= 180,
+	.get_pendown_state = tsc2007_get_pendown_state,
 };
 
-#define TSC2007_IRQGPIO		IMX_GPIO_NR(3, 2)
 static struct i2c_board_info eukrea_cpuimx35_i2c_devices[] = {
 	{
 		I2C_BOARD_INFO("pcf8563", 0x51),
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index 7f8915ad5099..eef43e2e163e 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -3247,18 +3247,14 @@ static __initdata struct omap_hwmod *omap3xxx_hwmods[] = {
 
 /* 3430ES1-only hwmods */
 static __initdata struct omap_hwmod *omap3430es1_hwmods[] = {
-	&omap3xxx_iva_hwmod,
 	&omap3430es1_dss_core_hwmod,
-	&omap3xxx_mailbox_hwmod,
 	NULL
 };
 
 /* 3430ES2+-only hwmods */
 static __initdata struct omap_hwmod *omap3430es2plus_hwmods[] = {
-	&omap3xxx_iva_hwmod,
 	&omap3xxx_dss_core_hwmod,
 	&omap3xxx_usbhsotg_hwmod,
-	&omap3xxx_mailbox_hwmod,
 	NULL
 };
 
diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c
index b862e9f81e3e..7119b87cbfa0 100644
--- a/arch/arm/mach-shmobile/board-ag5evm.c
+++ b/arch/arm/mach-shmobile/board-ag5evm.c
@@ -607,6 +607,7 @@ struct sys_timer ag5evm_timer = {
 
 MACHINE_START(AG5EVM, "ag5evm")
 	.map_io		= ag5evm_map_io,
+	.nr_irqs	= NR_IRQS_LEGACY,
 	.init_irq	= sh73a0_init_irq,
 	.handle_irq	= shmobile_handle_irq_gic,
 	.init_machine	= ag5evm_init,
diff --git a/arch/arm/mach-shmobile/board-kota2.c b/arch/arm/mach-shmobile/board-kota2.c
index bd9a78424d6b..f44150b5ae46 100644
--- a/arch/arm/mach-shmobile/board-kota2.c
+++ b/arch/arm/mach-shmobile/board-kota2.c
@@ -33,6 +33,7 @@
 #include <linux/input/sh_keysc.h>
 #include <linux/gpio_keys.h>
 #include <linux/leds.h>
+#include <linux/platform_data/leds-renesas-tpu.h>
 #include <linux/mmc/host.h>
 #include <linux/mmc/sh_mmcif.h>
 #include <linux/mfd/tmio.h>
@@ -56,7 +57,7 @@ static struct resource smsc9220_resources[] = {
 		.flags		= IORESOURCE_MEM,
 	},
 	[1] = {
-		.start		= gic_spi(33), /* PINTA2 @ PORT144 */
+		.start		= SH73A0_PINT0_IRQ(2), /* PINTA2 */
 		.flags		= IORESOURCE_IRQ,
 	},
 };
@@ -157,10 +158,6 @@ static struct platform_device gpio_keys_device = {
 #define GPIO_LED(n, g) { .name = n, .gpio = g }
 
 static struct gpio_led gpio_leds[] = {
-	GPIO_LED("V2513", GPIO_PORT153), /* PORT153 [TPU1T02] -> V2513 */
-	GPIO_LED("V2514", GPIO_PORT199), /* PORT199 [TPU4TO1] -> V2514 */
-	GPIO_LED("V2515", GPIO_PORT197), /* PORT197 [TPU2TO1] -> V2515 */
-	GPIO_LED("KEYLED", GPIO_PORT163), /* PORT163 [TPU3TO0] -> KEYLED */
 	GPIO_LED("G", GPIO_PORT20), /* PORT20 [GPO0] -> LED7 -> "G" */
 	GPIO_LED("H", GPIO_PORT21), /* PORT21 [GPO1] -> LED8 -> "H" */
 	GPIO_LED("J", GPIO_PORT22), /* PORT22 [GPO2] -> LED9 -> "J" */
@@ -179,6 +176,119 @@ static struct platform_device gpio_leds_device = {
 	},
 };
 
+/* TPU LED */
+static struct led_renesas_tpu_config led_renesas_tpu12_pdata = {
+	.name		= "V2513",
+	.pin_gpio_fn	= GPIO_FN_TPU1TO2,
+	.pin_gpio	= GPIO_PORT153,
+	.channel_offset = 0x90,
+	.timer_bit = 2,
+	.max_brightness = 1000,
+};
+
+static struct resource tpu12_resources[] = {
+	[0] = {
+		.name	= "TPU12",
+		.start	= 0xe6610090,
+		.end	= 0xe66100b5,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device leds_tpu12_device = {
+	.name = "leds-renesas-tpu",
+	.id = 12,
+	.dev = {
+		.platform_data  = &led_renesas_tpu12_pdata,
+	},
+	.num_resources	= ARRAY_SIZE(tpu12_resources),
+	.resource	= tpu12_resources,
+};
+
+static struct led_renesas_tpu_config led_renesas_tpu41_pdata = {
+	.name		= "V2514",
+	.pin_gpio_fn	= GPIO_FN_TPU4TO1,
+	.pin_gpio	= GPIO_PORT199,
+	.channel_offset = 0x50,
+	.timer_bit = 1,
+	.max_brightness = 1000,
+};
+
+static struct resource tpu41_resources[] = {
+	[0] = {
+		.name	= "TPU41",
+		.start	= 0xe6640050,
+		.end	= 0xe6640075,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device leds_tpu41_device = {
+	.name = "leds-renesas-tpu",
+	.id = 41,
+	.dev = {
+		.platform_data  = &led_renesas_tpu41_pdata,
+	},
+	.num_resources	= ARRAY_SIZE(tpu41_resources),
+	.resource	= tpu41_resources,
+};
+
+static struct led_renesas_tpu_config led_renesas_tpu21_pdata = {
+	.name		= "V2515",
+	.pin_gpio_fn	= GPIO_FN_TPU2TO1,
+	.pin_gpio	= GPIO_PORT197,
+	.channel_offset = 0x50,
+	.timer_bit = 1,
+	.max_brightness = 1000,
+};
+
+static struct resource tpu21_resources[] = {
+	[0] = {
+		.name	= "TPU21",
+		.start	= 0xe6620050,
+		.end	= 0xe6620075,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device leds_tpu21_device = {
+	.name = "leds-renesas-tpu",
+	.id = 21,
+	.dev = {
+		.platform_data  = &led_renesas_tpu21_pdata,
+	},
+	.num_resources	= ARRAY_SIZE(tpu21_resources),
+	.resource	= tpu21_resources,
+};
+
+static struct led_renesas_tpu_config led_renesas_tpu30_pdata = {
+	.name		= "KEYLED",
+	.pin_gpio_fn	= GPIO_FN_TPU3TO0,
+	.pin_gpio	= GPIO_PORT163,
+	.channel_offset = 0x10,
+	.timer_bit = 0,
+	.max_brightness = 1000,
+};
+
+static struct resource tpu30_resources[] = {
+	[0] = {
+		.name	= "TPU30",
+		.start	= 0xe6630010,
+		.end	= 0xe6630035,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device leds_tpu30_device = {
+	.name = "leds-renesas-tpu",
+	.id = 30,
+	.dev = {
+		.platform_data  = &led_renesas_tpu30_pdata,
+	},
+	.num_resources	= ARRAY_SIZE(tpu30_resources),
+	.resource	= tpu30_resources,
+};
+
 /* MMCIF */
 static struct resource mmcif_resources[] = {
 	[0] = {
@@ -291,6 +401,10 @@ static struct platform_device *kota2_devices[] __initdata = {
 	&keysc_device,
 	&gpio_keys_device,
 	&gpio_leds_device,
+	&leds_tpu12_device,
+	&leds_tpu41_device,
+	&leds_tpu21_device,
+	&leds_tpu30_device,
 	&mmcif_device,
 	&sdhi0_device,
 	&sdhi1_device,
@@ -317,18 +431,6 @@ static void __init kota2_map_io(void)
 	shmobile_setup_console();
 }
 
-#define PINTER0A	0xe69000a0
-#define PINTCR0A	0xe69000b0
-
-void __init kota2_init_irq(void)
-{
-	sh73a0_init_irq();
-
-	/* setup PINT: enable PINTA2 as active low */
-	__raw_writel(1 << 29, PINTER0A);
-	__raw_writew(2 << 10, PINTCR0A);
-}
-
 static void __init kota2_init(void)
 {
 	sh73a0_pinmux_init();
@@ -447,7 +549,8 @@ struct sys_timer kota2_timer = {
 
 MACHINE_START(KOTA2, "kota2")
 	.map_io		= kota2_map_io,
-	.init_irq	= kota2_init_irq,
+	.nr_irqs	= NR_IRQS_LEGACY,
+	.init_irq	= sh73a0_init_irq,
 	.handle_irq	= shmobile_handle_irq_gic,
 	.init_machine	= kota2_init,
 	.timer		= &kota2_timer,
diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c
index 61a846bb30f2..1370a89ca358 100644
--- a/arch/arm/mach-shmobile/clock-sh73a0.c
+++ b/arch/arm/mach-shmobile/clock-sh73a0.c
@@ -113,6 +113,12 @@ static struct clk main_clk = {
 	.ops		= &main_clk_ops,
 };
 
+/* Divide Main clock by two */
+static struct clk main_div2_clk = {
+	.ops		= &div2_clk_ops,
+	.parent		= &main_clk,
+};
+
 /* PLL0, PLL1, PLL2, PLL3 */
 static unsigned long pll_recalc(struct clk *clk)
 {
@@ -181,6 +187,7 @@ static struct clk *main_clks[] = {
 	&extal1_div2_clk,
 	&extal2_div2_clk,
 	&main_clk,
+	&main_div2_clk,
 	&pll0_clk,
 	&pll1_clk,
 	&pll2_clk,
@@ -243,7 +250,7 @@ static struct clk div6_clks[DIV6_NR] = {
 	[DIV6_VCK1] = SH_CLK_DIV6(&pll1_div2_clk, VCLKCR1, 0),
 	[DIV6_VCK2] = SH_CLK_DIV6(&pll1_div2_clk, VCLKCR2, 0),
 	[DIV6_VCK3] = SH_CLK_DIV6(&pll1_div2_clk, VCLKCR3, 0),
-	[DIV6_ZB1] = SH_CLK_DIV6(&pll1_div2_clk, ZBCKCR, 0),
+	[DIV6_ZB1] = SH_CLK_DIV6(&pll1_div2_clk, ZBCKCR, CLK_ENABLE_ON_INIT),
 	[DIV6_FLCTL] = SH_CLK_DIV6(&pll1_div2_clk, FLCKCR, 0),
 	[DIV6_SDHI0] = SH_CLK_DIV6(&pll1_div2_clk, SD0CKCR, 0),
 	[DIV6_SDHI1] = SH_CLK_DIV6(&pll1_div2_clk, SD1CKCR, 0),
@@ -268,6 +275,7 @@ enum { MSTP001,
 	MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
 	MSTP331, MSTP329, MSTP325, MSTP323, MSTP318,
 	MSTP314, MSTP313, MSTP312, MSTP311,
+	MSTP303, MSTP302, MSTP301, MSTP300,
 	MSTP411, MSTP410, MSTP403,
 	MSTP_NR };
 
@@ -301,6 +309,10 @@ static struct clk mstp_clks[MSTP_NR] = {
 	[MSTP313] = MSTP(&div6_clks[DIV6_SDHI1], SMSTPCR3, 13, 0), /* SDHI1 */
 	[MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMCIF0 */
 	[MSTP311] = MSTP(&div6_clks[DIV6_SDHI2], SMSTPCR3, 11, 0), /* SDHI2 */
+	[MSTP303] = MSTP(&main_div2_clk, SMSTPCR3, 3, 0), /* TPU1 */
+	[MSTP302] = MSTP(&main_div2_clk, SMSTPCR3, 2, 0), /* TPU2 */
+	[MSTP301] = MSTP(&main_div2_clk, SMSTPCR3, 1, 0), /* TPU3 */
+	[MSTP300] = MSTP(&main_div2_clk, SMSTPCR3, 0, 0), /* TPU4 */
 	[MSTP411] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 11, 0), /* IIC3 */
 	[MSTP410] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 10, 0), /* IIC4 */
 	[MSTP403] = MSTP(&r_clk, SMSTPCR4, 3, 0), /* KEYSC */
@@ -350,6 +362,10 @@ static struct clk_lookup lookups[] = {
 	CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */
 	CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMCIF0 */
 	CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP311]), /* SDHI2 */
+	CLKDEV_DEV_ID("leds-renesas-tpu.12", &mstp_clks[MSTP303]), /* TPU1 */
+	CLKDEV_DEV_ID("leds-renesas-tpu.21", &mstp_clks[MSTP302]), /* TPU2 */
+	CLKDEV_DEV_ID("leds-renesas-tpu.30", &mstp_clks[MSTP301]), /* TPU3 */
+	CLKDEV_DEV_ID("leds-renesas-tpu.41", &mstp_clks[MSTP300]), /* TPU4 */
 	CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* I2C3 */
 	CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks[MSTP410]), /* I2C4 */
 	CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC */
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index 2c559ac38142..e70a73731eaa 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -363,11 +363,13 @@ __v7_setup:
 	orreq	r10, r10, #1 << 6		@ set bit #6
 	mcreq	p15, 0, r10, c15, c0, 1		@ write diagnostic register
 #endif
-#ifdef CONFIG_ARM_ERRATA_751472
-	cmp	r6, #0x30			@ present prior to r3p0
+#if defined(CONFIG_ARM_ERRATA_751472) && defined(CONFIG_SMP)
+	ALT_SMP(cmp r6, #0x30)			@ present prior to r3p0
+	ALT_UP_B(1f)
 	mrclt	p15, 0, r10, c15, c0, 1		@ read diagnostic register
 	orrlt	r10, r10, #1 << 11		@ set bit #11
 	mcrlt	p15, 0, r10, c15, c0, 1		@ write diagnostic register
+1:
 #endif
 
 3:	mov	r10, #0
diff --git a/arch/arm/oprofile/common.c b/arch/arm/oprofile/common.c
index c074e66ad224..4e0a371630b3 100644
--- a/arch/arm/oprofile/common.c
+++ b/arch/arm/oprofile/common.c
@@ -116,7 +116,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
 	return oprofile_perf_init(ops);
 }
 
-void __exit oprofile_arch_exit(void)
+void oprofile_arch_exit(void)
 {
 	oprofile_perf_exit();
 }
diff --git a/arch/arm/plat-mxc/cpufreq.c b/arch/arm/plat-mxc/cpufreq.c
index adbff706ef6f..73db34bf588a 100644
--- a/arch/arm/plat-mxc/cpufreq.c
+++ b/arch/arm/plat-mxc/cpufreq.c
@@ -98,7 +98,7 @@ static int mxc_set_target(struct cpufreq_policy *policy,
 	return ret;
 }
 
-static int __init mxc_cpufreq_init(struct cpufreq_policy *policy)
+static int mxc_cpufreq_init(struct cpufreq_policy *policy)
 {
 	int ret;
 	int i;
diff --git a/arch/arm/plat-mxc/include/mach/uncompress.h b/arch/arm/plat-mxc/include/mach/uncompress.h
index 88fd40452567..477971b00930 100644
--- a/arch/arm/plat-mxc/include/mach/uncompress.h
+++ b/arch/arm/plat-mxc/include/mach/uncompress.h
@@ -98,6 +98,7 @@ static __inline__ void __arch_decomp_setup(unsigned long arch_id)
 	case MACH_TYPE_PCM043:
 	case MACH_TYPE_LILLY1131:
 	case MACH_TYPE_VPR200:
+	case MACH_TYPE_EUKREA_CPUIMX35SD:
 		uart_base = MX3X_UART1_BASE_ADDR;
 		break;
 	case MACH_TYPE_MAGX_ZN5:
diff --git a/arch/arm/plat-mxc/pwm.c b/arch/arm/plat-mxc/pwm.c
index 845de59f07ed..e032717f7d02 100644
--- a/arch/arm/plat-mxc/pwm.c
+++ b/arch/arm/plat-mxc/pwm.c
@@ -77,6 +77,15 @@ int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns)
 		do_div(c, period_ns);
 		duty_cycles = c;
 
+		/*
+		 * according to imx pwm RM, the real period value should be
+		 * PERIOD value in PWMPR plus 2.
+		 */
+		if (period_cycles > 2)
+			period_cycles -= 2;
+		else
+			period_cycles = 0;
+
 		writel(duty_cycles, pwm->mmio_base + MX3_PWMSAR);
 		writel(period_cycles, pwm->mmio_base + MX3_PWMPR);
 
diff --git a/arch/arm/plat-orion/gpio.c b/arch/arm/plat-orion/gpio.c
index 41ab97ebe4cf..10d160888133 100644
--- a/arch/arm/plat-orion/gpio.c
+++ b/arch/arm/plat-orion/gpio.c
@@ -384,12 +384,16 @@ void __init orion_gpio_init(int gpio_base, int ngpio,
 	struct orion_gpio_chip *ochip;
 	struct irq_chip_generic *gc;
 	struct irq_chip_type *ct;
+	char gc_label[16];
 
 	if (orion_gpio_chip_count == ARRAY_SIZE(orion_gpio_chips))
 		return;
 
+	snprintf(gc_label, sizeof(gc_label), "orion_gpio%d",
+		orion_gpio_chip_count);
+
 	ochip = orion_gpio_chips + orion_gpio_chip_count;
-	ochip->chip.label = "orion_gpio";
+	ochip->chip.label = kstrdup(gc_label, GFP_KERNEL);
 	ochip->chip.request = orion_gpio_request;
 	ochip->chip.direction_input = orion_gpio_direction_input;
 	ochip->chip.get = orion_gpio_get;
diff --git a/arch/arm/plat-samsung/include/plat/cpu-freq-core.h b/arch/arm/plat-samsung/include/plat/cpu-freq-core.h
index dac4760c0f0a..95509d8eb140 100644
--- a/arch/arm/plat-samsung/include/plat/cpu-freq-core.h
+++ b/arch/arm/plat-samsung/include/plat/cpu-freq-core.h
@@ -202,14 +202,6 @@ extern int s3c_plltab_register(struct cpufreq_frequency_table *plls,
 extern struct s3c_cpufreq_config *s3c_cpufreq_getconfig(void);
 extern struct s3c_iotimings *s3c_cpufreq_getiotimings(void);
 
-extern void s3c2410_iotiming_debugfs(struct seq_file *seq,
-				     struct s3c_cpufreq_config *cfg,
-				     union s3c_iobank *iob);
-
-extern void s3c2412_iotiming_debugfs(struct seq_file *seq,
-				     struct s3c_cpufreq_config *cfg,
-				     union s3c_iobank *iob);
-
 #ifdef CONFIG_CPU_FREQ_S3C24XX_DEBUGFS
 #define s3c_cpufreq_debugfs_call(x) x
 #else
@@ -226,6 +218,10 @@ extern void s3c2410_cpufreq_setrefresh(struct s3c_cpufreq_config *cfg);
 extern void s3c2410_set_fvco(struct s3c_cpufreq_config *cfg);
 
 #ifdef CONFIG_S3C2410_IOTIMING
+extern void s3c2410_iotiming_debugfs(struct seq_file *seq,
+				     struct s3c_cpufreq_config *cfg,
+				     union s3c_iobank *iob);
+
 extern int s3c2410_iotiming_calc(struct s3c_cpufreq_config *cfg,
 				 struct s3c_iotimings *iot);
 
@@ -235,6 +231,7 @@ extern int s3c2410_iotiming_get(struct s3c_cpufreq_config *cfg,
 extern void s3c2410_iotiming_set(struct s3c_cpufreq_config *cfg,
 				 struct s3c_iotimings *iot);
 #else
+#define s3c2410_iotiming_debugfs NULL
 #define s3c2410_iotiming_calc NULL
 #define s3c2410_iotiming_get NULL
 #define s3c2410_iotiming_set NULL
@@ -242,8 +239,10 @@ extern void s3c2410_iotiming_set(struct s3c_cpufreq_config *cfg,
 
 /* S3C2412 compatible routines */
 
-extern int s3c2412_iotiming_get(struct s3c_cpufreq_config *cfg,
-				struct s3c_iotimings *timings);
+#ifdef CONFIG_S3C2412_IOTIMING
+extern void s3c2412_iotiming_debugfs(struct seq_file *seq,
+				     struct s3c_cpufreq_config *cfg,
+				     union s3c_iobank *iob);
 
 extern int s3c2412_iotiming_get(struct s3c_cpufreq_config *cfg,
 				struct s3c_iotimings *timings);
@@ -253,6 +252,12 @@ extern int s3c2412_iotiming_calc(struct s3c_cpufreq_config *cfg,
 
 extern void s3c2412_iotiming_set(struct s3c_cpufreq_config *cfg,
 				 struct s3c_iotimings *iot);
+#else
+#define s3c2412_iotiming_debugfs NULL
+#define s3c2412_iotiming_calc NULL
+#define s3c2412_iotiming_get NULL
+#define s3c2412_iotiming_set NULL
+#endif /* CONFIG_S3C2412_IOTIMING */
 
 #ifdef CONFIG_CPU_FREQ_S3C24XX_DEBUG
 #define s3c_freq_dbg(x...) printk(KERN_INFO x)