diff --git a/[refs] b/[refs]
index 4ae59b203c4a..ef8311844212 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c3810c88788d505d4ffd786addd111b745e42161
+refs/heads/master: b17b849946e581ad58af74933d4fb63ad8812937
diff --git a/trunk/.mailmap b/trunk/.mailmap
index 581fd39193a2..1eba28acab64 100644
--- a/trunk/.mailmap
+++ b/trunk/.mailmap
@@ -23,6 +23,7 @@ Andy Adamson <andros@citi.umich.edu>
 Arnaud Patard <arnaud.patard@rtp-net.org>
 Arnd Bergmann <arnd@arndb.de>
 Axel Dyks <xl@xlsigned.net>
+Axel Lin <axel.lin@gmail.com>
 Ben Gardner <bgardner@wabtec.com>
 Ben M Cahill <ben.m.cahill@intel.com>
 Björn Steinbrink <B.Steinbrink@gmx.de>
diff --git a/trunk/Documentation/kernel-parameters.txt b/trunk/Documentation/kernel-parameters.txt
index b72e071a3e5b..89835a4766a6 100644
--- a/trunk/Documentation/kernel-parameters.txt
+++ b/trunk/Documentation/kernel-parameters.txt
@@ -43,11 +43,11 @@ parameter is applicable:
 	AVR32	AVR32 architecture is enabled.
 	AX25	Appropriate AX.25 support is enabled.
 	BLACKFIN Blackfin architecture is enabled.
+	DRM	Direct Rendering Management support is enabled.
+	DYNAMIC_DEBUG Build in debug messages and enable them at runtime
 	EDD	BIOS Enhanced Disk Drive Services (EDD) is enabled
 	EFI	EFI Partitioning (GPT) is enabled
 	EIDE	EIDE/ATAPI support is enabled.
-	DRM	Direct Rendering Management support is enabled.
-	DYNAMIC_DEBUG Build in debug messages and enable them at runtime
 	FB	The frame buffer device is enabled.
 	GCOV	GCOV profiling is enabled.
 	HW	Appropriate hardware is enabled.
diff --git a/trunk/arch/arm/include/asm/hardware/sp810.h b/trunk/arch/arm/include/asm/hardware/sp810.h
index a101f10bb5b1..721847dc68ab 100644
--- a/trunk/arch/arm/include/asm/hardware/sp810.h
+++ b/trunk/arch/arm/include/asm/hardware/sp810.h
@@ -50,6 +50,12 @@
 #define SCPCELLID2		0xFF8
 #define SCPCELLID3		0xFFC
 
+#define SCCTRL_TIMEREN0SEL_REFCLK	(0 << 15)
+#define SCCTRL_TIMEREN0SEL_TIMCLK	(1 << 15)
+
+#define SCCTRL_TIMEREN1SEL_REFCLK	(0 << 17)
+#define SCCTRL_TIMEREN1SEL_TIMCLK	(1 << 17)
+
 static inline void sysctl_soft_reset(void __iomem *base)
 {
 	/* writing any value to SCSYSSTAT reg will reset system */
diff --git a/trunk/arch/arm/include/asm/memory.h b/trunk/arch/arm/include/asm/memory.h
index 23c2e8e5c0fa..d0ee74b7cf86 100644
--- a/trunk/arch/arm/include/asm/memory.h
+++ b/trunk/arch/arm/include/asm/memory.h
@@ -188,7 +188,7 @@
  * translation for translating DMA addresses.  Use the driver
  * DMA support - see dma-mapping.h.
  */
-static inline unsigned long virt_to_phys(void *x)
+static inline unsigned long virt_to_phys(const volatile void *x)
 {
 	return __virt_to_phys((unsigned long)(x));
 }
diff --git a/trunk/arch/arm/kernel/smp_twd.c b/trunk/arch/arm/kernel/smp_twd.c
index fd9156698ab9..60636f499cb3 100644
--- a/trunk/arch/arm/kernel/smp_twd.c
+++ b/trunk/arch/arm/kernel/smp_twd.c
@@ -36,6 +36,7 @@ static void twd_set_mode(enum clock_event_mode mode,
 		/* timer load already set up */
 		ctrl = TWD_TIMER_CONTROL_ENABLE | TWD_TIMER_CONTROL_IT_ENABLE
 			| TWD_TIMER_CONTROL_PERIODIC;
+		__raw_writel(twd_timer_rate / HZ, twd_base + TWD_TIMER_LOAD);
 		break;
 	case CLOCK_EVT_MODE_ONESHOT:
 		/* period set, and timer enabled in 'next_event' hook */
@@ -81,7 +82,7 @@ int twd_timer_ack(void)
 
 static void __cpuinit twd_calibrate_rate(void)
 {
-	unsigned long load, count;
+	unsigned long count;
 	u64 waitjiffies;
 
 	/*
@@ -116,10 +117,6 @@ static void __cpuinit twd_calibrate_rate(void)
 		printk("%lu.%02luMHz.\n", twd_timer_rate / 1000000,
 			(twd_timer_rate / 1000000) % 100);
 	}
-
-	load = twd_timer_rate / HZ;
-
-	__raw_writel(load, twd_base + TWD_TIMER_LOAD);
 }
 
 /*
diff --git a/trunk/arch/arm/mach-ep93xx/gpio.c b/trunk/arch/arm/mach-ep93xx/gpio.c
index f3dc76fdcea8..bec34b834958 100644
--- a/trunk/arch/arm/mach-ep93xx/gpio.c
+++ b/trunk/arch/arm/mach-ep93xx/gpio.c
@@ -427,6 +427,13 @@ void __init ep93xx_gpio_init(void)
 {
 	int i;
 
+	/* Set Ports C, D, E, G, and H for GPIO use */
+	ep93xx_devcfg_set_bits(EP93XX_SYSCON_DEVCFG_KEYS |
+				 EP93XX_SYSCON_DEVCFG_GONK |
+				 EP93XX_SYSCON_DEVCFG_EONIDE |
+				 EP93XX_SYSCON_DEVCFG_GONIDE |
+				 EP93XX_SYSCON_DEVCFG_HONIDE);
+
 	for (i = 0; i < ARRAY_SIZE(ep93xx_gpio_banks); i++)
 		gpiochip_add(&ep93xx_gpio_banks[i].chip);
 }
diff --git a/trunk/arch/arm/mach-omap2/pm24xx.c b/trunk/arch/arm/mach-omap2/pm24xx.c
index 9e5dc8ed51e9..97feb3ab6a69 100644
--- a/trunk/arch/arm/mach-omap2/pm24xx.c
+++ b/trunk/arch/arm/mach-omap2/pm24xx.c
@@ -134,7 +134,7 @@ static void omap2_enter_full_retention(void)
 
 	/* Block console output in case it is on one of the OMAP UARTs */
 	if (!is_suspending())
-		if (try_acquire_console_sem())
+		if (!console_trylock())
 			goto no_sleep;
 
 	omap_uart_prepare_idle(0);
@@ -151,7 +151,7 @@ static void omap2_enter_full_retention(void)
 	omap_uart_resume_idle(0);
 
 	if (!is_suspending())
-		release_console_sem();
+		console_unlock();
 
 no_sleep:
 	if (omap2_pm_debug) {
diff --git a/trunk/arch/arm/mach-omap2/pm34xx.c b/trunk/arch/arm/mach-omap2/pm34xx.c
index 8cbbeade4b8a..a4aa1920a75c 100644
--- a/trunk/arch/arm/mach-omap2/pm34xx.c
+++ b/trunk/arch/arm/mach-omap2/pm34xx.c
@@ -398,7 +398,7 @@ void omap_sram_idle(void)
 	if (!is_suspending())
 		if (per_next_state < PWRDM_POWER_ON ||
 		    core_next_state < PWRDM_POWER_ON)
-			if (try_acquire_console_sem())
+			if (!console_trylock())
 				goto console_still_active;
 
 	/* PER */
@@ -481,7 +481,7 @@ void omap_sram_idle(void)
 	}
 
 	if (!is_suspending())
-		release_console_sem();
+		console_unlock();
 
 console_still_active:
 	/* Disable IO-PAD and IO-CHAIN wakeup */
diff --git a/trunk/arch/arm/mach-omap2/serial.c b/trunk/arch/arm/mach-omap2/serial.c
index 302da7403a10..32e91a9c8b6b 100644
--- a/trunk/arch/arm/mach-omap2/serial.c
+++ b/trunk/arch/arm/mach-omap2/serial.c
@@ -812,7 +812,7 @@ void __init omap_serial_init_port(struct omap_board_data *bdata)
 
 	oh->dev_attr = uart;
 
-	acquire_console_sem(); /* in case the earlycon is on the UART */
+	console_lock(); /* in case the earlycon is on the UART */
 
 	/*
 	 * Because of early UART probing, UART did not get idled
@@ -838,7 +838,7 @@ void __init omap_serial_init_port(struct omap_board_data *bdata)
 	omap_uart_block_sleep(uart);
 	uart->timeout = DEFAULT_TIMEOUT;
 
-	release_console_sem();
+	console_unlock();
 
 	if ((cpu_is_omap34xx() && uart->padconf) ||
 	    (uart->wk_en && uart->wk_mask)) {
diff --git a/trunk/arch/arm/mach-realview/Kconfig b/trunk/arch/arm/mach-realview/Kconfig
index b4575ae9648e..7ca138a943a9 100644
--- a/trunk/arch/arm/mach-realview/Kconfig
+++ b/trunk/arch/arm/mach-realview/Kconfig
@@ -2,52 +2,56 @@ menu "RealView platform type"
 	depends on ARCH_REALVIEW
 
 config MACH_REALVIEW_EB
-	bool "Support RealView/EB platform"
+	bool "Support RealView(R) Emulation Baseboard"
 	select ARM_GIC
 	help
-	  Include support for the ARM(R) RealView Emulation Baseboard platform.
+	  Include support for the ARM(R) RealView(R) Emulation Baseboard
+	  platform.
 
 config REALVIEW_EB_A9MP
-	bool "Support Multicore Cortex-A9"
+	bool "Support Multicore Cortex-A9 Tile"
 	depends on MACH_REALVIEW_EB
 	select CPU_V7
 	help
-	  Enable support for the Cortex-A9MPCore tile on the Realview platform.
+	  Enable support for the Cortex-A9MPCore tile fitted to the
+	  Realview(R) Emulation Baseboard platform.
 
 config REALVIEW_EB_ARM11MP
-	bool "Support ARM11MPCore tile"
+	bool "Support ARM11MPCore Tile"
 	depends on MACH_REALVIEW_EB
 	select CPU_V6
 	select ARCH_HAS_BARRIERS if SMP
 	help
-	  Enable support for the ARM11MPCore tile on the Realview platform.
+	  Enable support for the ARM11MPCore tile fitted to the Realview(R)
+	  Emulation Baseboard platform.
 
 config REALVIEW_EB_ARM11MP_REVB
-	bool "Support ARM11MPCore RevB tile"
+	bool "Support ARM11MPCore RevB Tile"
 	depends on REALVIEW_EB_ARM11MP
 	help
-	  Enable support for the ARM11MPCore RevB tile on the Realview
-	  platform. Since there are device address differences, a
-	  kernel built with this option enabled is not compatible with
-	  other revisions of the ARM11MPCore tile.
+	  Enable support for the ARM11MPCore Revision B tile on the
+	  Realview(R) Emulation Baseboard platform. Since there are device
+	  address differences, a kernel built with this option enabled is
+	  not compatible with other revisions of the ARM11MPCore tile.
 
 config MACH_REALVIEW_PB11MP
-	bool "Support RealView/PB11MPCore platform"
+	bool "Support RealView(R) Platform Baseboard for ARM11MPCore"
 	select CPU_V6
 	select ARM_GIC
 	select HAVE_PATA_PLATFORM
 	select ARCH_HAS_BARRIERS if SMP
 	help
-	  Include support for the ARM(R) RealView MPCore Platform Baseboard.
-	  PB11MPCore is a platform with an on-board ARM11MPCore and has
+	  Include support for the ARM(R) RealView(R) Platform Baseboard for
+	  the ARM11MPCore.  This platform has an on-board ARM11MPCore and has
 	  support for PCI-E and Compact Flash.
 
 config MACH_REALVIEW_PB1176
-	bool "Support RealView/PB1176 platform"
+	bool "Support RealView(R) Platform Baseboard for ARM1176JZF-S"
 	select CPU_V6
 	select ARM_GIC
 	help
-	  Include support for the ARM(R) RealView ARM1176 Platform Baseboard.
+	  Include support for the ARM(R) RealView(R) Platform Baseboard for
+	  ARM1176JZF-S.
 
 config REALVIEW_PB1176_SECURE_FLASH
 	bool "Allow access to the secure flash memory block"
@@ -59,23 +63,24 @@ config REALVIEW_PB1176_SECURE_FLASH
 	  block (64MB @ 0x3c000000) is required.
 
 config MACH_REALVIEW_PBA8
-	bool "Support RealView/PB-A8 platform"
+	bool "Support RealView(R) Platform Baseboard for Cortex(tm)-A8 platform"
 	select CPU_V7
 	select ARM_GIC
 	select HAVE_PATA_PLATFORM
 	help
-	  Include support for the ARM(R) RealView Cortex-A8 Platform Baseboard.
-	  PB-A8 is a platform with an on-board Cortex-A8 and has support for
-	  PCI-E and Compact Flash.
+	  Include support for the ARM(R) RealView Platform Baseboard for
+	  Cortex(tm)-A8.  This platform has an on-board Cortex-A8 and has
+	  support for PCI-E and Compact Flash.
 
 config MACH_REALVIEW_PBX
-	bool "Support RealView/PBX platform"
+	bool "Support RealView(R) Platform Baseboard Explore"
 	select ARM_GIC
 	select HAVE_PATA_PLATFORM
 	select ARCH_SPARSEMEM_ENABLE if CPU_V7 && !REALVIEW_HIGH_PHYS_OFFSET
 	select ZONE_DMA if SPARSEMEM
 	help
-	  Include support for the ARM(R) RealView PBX platform.
+	  Include support for the ARM(R) RealView(R) Platform Baseboard
+	  Explore.
 
 config REALVIEW_HIGH_PHYS_OFFSET
 	bool "High physical base address for the RealView platform"
diff --git a/trunk/arch/arm/mach-realview/platsmp.c b/trunk/arch/arm/mach-realview/platsmp.c
index a22bf67f2f78..6959d13d908a 100644
--- a/trunk/arch/arm/mach-realview/platsmp.c
+++ b/trunk/arch/arm/mach-realview/platsmp.c
@@ -41,7 +41,7 @@ volatile int __cpuinitdata pen_release = -1;
  * observers, irrespective of whether they're taking part in coherency
  * or not.  This is necessary for the hotplug code to work reliably.
  */
-static void write_pen_release(int val)
+static void __cpuinit write_pen_release(int val)
 {
 	pen_release = val;
 	smp_wmb();
diff --git a/trunk/arch/arm/mach-shmobile/Kconfig b/trunk/arch/arm/mach-shmobile/Kconfig
index 4d1b4c5c9389..0c8f6cf3e948 100644
--- a/trunk/arch/arm/mach-shmobile/Kconfig
+++ b/trunk/arch/arm/mach-shmobile/Kconfig
@@ -60,6 +60,8 @@ endchoice
 
 config MACH_AG5EVM
 	bool "AG5EVM board"
+	select ARCH_REQUIRE_GPIOLIB
+	select SH_LCD_MIPI_DSI
 	depends on ARCH_SH73A0
 
 config MACH_MACKEREL
diff --git a/trunk/arch/arm/mach-shmobile/board-ag5evm.c b/trunk/arch/arm/mach-shmobile/board-ag5evm.c
index c18a740a4159..2123b96b5638 100644
--- a/trunk/arch/arm/mach-shmobile/board-ag5evm.c
+++ b/trunk/arch/arm/mach-shmobile/board-ag5evm.c
@@ -34,9 +34,10 @@
 #include <linux/input/sh_keysc.h>
 #include <linux/mmc/host.h>
 #include <linux/mmc/sh_mmcif.h>
-
+#include <linux/sh_clk.h>
+#include <video/sh_mobile_lcdc.h>
+#include <video/sh_mipi_dsi.h>
 #include <sound/sh_fsi.h>
-
 #include <mach/hardware.h>
 #include <mach/sh73a0.h>
 #include <mach/common.h>
@@ -183,11 +184,165 @@ static struct platform_device mmc_device = {
 	.resource	= sh_mmcif_resources,
 };
 
+/* IrDA */
+static struct resource irda_resources[] = {
+	[0] = {
+		.start	= 0xE6D00000,
+		.end	= 0xE6D01FD4 - 1,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= gic_spi(95),
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device irda_device = {
+	.name           = "sh_irda",
+	.id		= 0,
+	.resource       = irda_resources,
+	.num_resources  = ARRAY_SIZE(irda_resources),
+};
+
+static unsigned char lcd_backlight_seq[3][2] = {
+	{ 0x04, 0x07 },
+	{ 0x23, 0x80 },
+	{ 0x03, 0x01 },
+};
+
+static void lcd_backlight_on(void)
+{
+	struct i2c_adapter *a;
+	struct i2c_msg msg;
+	int k;
+
+	a = i2c_get_adapter(1);
+	for (k = 0; a && k < 3; k++) {
+		msg.addr = 0x6d;
+		msg.buf = &lcd_backlight_seq[k][0];
+		msg.len = 2;
+		msg.flags = 0;
+		if (i2c_transfer(a, &msg, 1) != 1)
+			break;
+	}
+}
+
+static void lcd_backlight_reset(void)
+{
+	gpio_set_value(GPIO_PORT235, 0);
+	mdelay(24);
+	gpio_set_value(GPIO_PORT235, 1);
+}
+
+static void lcd_on(void *board_data, struct fb_info *info)
+{
+	lcd_backlight_on();
+}
+
+static void lcd_off(void *board_data)
+{
+	lcd_backlight_reset();
+}
+
+/* LCDC0 */
+static const struct fb_videomode lcdc0_modes[] = {
+	{
+		.name		= "R63302(QHD)",
+		.xres		= 544,
+		.yres		= 961,
+		.left_margin	= 72,
+		.right_margin	= 600,
+		.hsync_len	= 16,
+		.upper_margin	= 8,
+		.lower_margin	= 8,
+		.vsync_len	= 2,
+		.sync		= FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
+	},
+};
+
+static struct sh_mobile_lcdc_info lcdc0_info = {
+	.clock_source = LCDC_CLK_PERIPHERAL,
+	.ch[0] = {
+		.chan = LCDC_CHAN_MAINLCD,
+		.interface_type = RGB24,
+		.clock_divider = 1,
+		.flags = LCDC_FLAGS_DWPOL,
+		.lcd_size_cfg.width = 44,
+		.lcd_size_cfg.height = 79,
+		.bpp = 16,
+		.lcd_cfg = lcdc0_modes,
+		.num_cfg = ARRAY_SIZE(lcdc0_modes),
+		.board_cfg = {
+			.display_on = lcd_on,
+			.display_off = lcd_off,
+		},
+	}
+};
+
+static struct resource lcdc0_resources[] = {
+	[0] = {
+		.name	= "LCDC0",
+		.start	= 0xfe940000, /* P4-only space */
+		.end	= 0xfe943fff,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= intcs_evt2irq(0x580),
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device lcdc0_device = {
+	.name		= "sh_mobile_lcdc_fb",
+	.num_resources	= ARRAY_SIZE(lcdc0_resources),
+	.resource	= lcdc0_resources,
+	.id             = 0,
+	.dev	= {
+		.platform_data	= &lcdc0_info,
+		.coherent_dma_mask = ~0,
+	},
+};
+
+/* MIPI-DSI */
+static struct resource mipidsi0_resources[] = {
+	[0] = {
+		.start  = 0xfeab0000,
+		.end    = 0xfeab3fff,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = 0xfeab4000,
+		.end    = 0xfeab7fff,
+		.flags  = IORESOURCE_MEM,
+	},
+};
+
+static struct sh_mipi_dsi_info mipidsi0_info = {
+	.data_format	= MIPI_RGB888,
+	.lcd_chan	= &lcdc0_info.ch[0],
+	.vsynw_offset	= 20,
+	.clksrc		= 1,
+	.flags		= SH_MIPI_DSI_HSABM,
+};
+
+static struct platform_device mipidsi0_device = {
+	.name           = "sh-mipi-dsi",
+	.num_resources  = ARRAY_SIZE(mipidsi0_resources),
+	.resource       = mipidsi0_resources,
+	.id             = 0,
+	.dev	= {
+		.platform_data	= &mipidsi0_info,
+	},
+};
+
 static struct platform_device *ag5evm_devices[] __initdata = {
 	&eth_device,
 	&keysc_device,
 	&fsi_device,
 	&mmc_device,
+	&irda_device,
+	&lcdc0_device,
+	&mipidsi0_device,
 };
 
 static struct map_desc ag5evm_io_desc[] __initdata = {
@@ -224,6 +379,8 @@ void __init ag5evm_init_irq(void)
 	__raw_writew(__raw_readw(PINTCR0A) | (2<<10), PINTCR0A);
 }
 
+#define DSI0PHYCR	0xe615006c
+
 static void __init ag5evm_init(void)
 {
 	sh73a0_pinmux_init();
@@ -287,6 +444,25 @@ static void __init ag5evm_init(void)
 	gpio_request(GPIO_FN_FSIAISLD, NULL);
 	gpio_request(GPIO_FN_FSIAOSLD, NULL);
 
+	/* IrDA */
+	gpio_request(GPIO_FN_PORT241_IRDA_OUT, NULL);
+	gpio_request(GPIO_FN_PORT242_IRDA_IN,  NULL);
+	gpio_request(GPIO_FN_PORT243_IRDA_FIRSEL, NULL);
+
+	/* LCD panel */
+	gpio_request(GPIO_PORT217, NULL); /* RESET */
+	gpio_direction_output(GPIO_PORT217, 0);
+	mdelay(1);
+	gpio_set_value(GPIO_PORT217, 1);
+
+	/* LCD backlight controller */
+	gpio_request(GPIO_PORT235, NULL); /* RESET */
+	gpio_direction_output(GPIO_PORT235, 0);
+	lcd_backlight_reset();
+
+	/* MIPI-DSI clock setup */
+	__raw_writel(0x2a809010, DSI0PHYCR);
+
 #ifdef CONFIG_CACHE_L2X0
 	/* Shared attribute override enable, 64K*8way */
 	l2x0_init(__io(0xf0100000), 0x00460000, 0xc2000fff);
diff --git a/trunk/arch/arm/mach-shmobile/board-g3evm.c b/trunk/arch/arm/mach-shmobile/board-g3evm.c
index 686b304a7708..ef4613b993a2 100644
--- a/trunk/arch/arm/mach-shmobile/board-g3evm.c
+++ b/trunk/arch/arm/mach-shmobile/board-g3evm.c
@@ -347,7 +347,6 @@ static void __init g3evm_init(void)
 	gpio_request(GPIO_FN_IRDA_OUT, NULL);
 	gpio_request(GPIO_FN_IRDA_IN, NULL);
 	gpio_request(GPIO_FN_IRDA_FIRSEL, NULL);
-	set_irq_type(evt2irq(0x480), IRQ_TYPE_LEVEL_LOW);
 
 	sh7367_add_standard_devices();
 
diff --git a/trunk/arch/arm/mach-shmobile/board-mackerel.c b/trunk/arch/arm/mach-shmobile/board-mackerel.c
index 7b15d21f0f68..fb4213a4e15a 100644
--- a/trunk/arch/arm/mach-shmobile/board-mackerel.c
+++ b/trunk/arch/arm/mach-shmobile/board-mackerel.c
@@ -169,9 +169,8 @@
  *	SW1	|	SW33
  *		| bit1 | bit2 | bit3 | bit4
  * -------------+------+------+------+-------
- * MMC0	  OFF	|  OFF |  ON  |  ON  |  X
- * MMC1	  ON	|  OFF |  ON  |  X   | ON
- * SDHI1  OFF	|  ON  |   X  |  OFF | ON
+ * MMC0   OFF	|  OFF |   X  |  ON  |  X       (Use MMCIF)
+ * SDHI1  OFF	|  ON  |   X  |  OFF |  X       (Use MFD_SH_MOBILE_SDHI)
  *
  */
 
diff --git a/trunk/arch/arm/mach-shmobile/clock-sh7372.c b/trunk/arch/arm/mach-shmobile/clock-sh7372.c
index 9aa8d68d1a9c..e9731b5a73ed 100644
--- a/trunk/arch/arm/mach-shmobile/clock-sh7372.c
+++ b/trunk/arch/arm/mach-shmobile/clock-sh7372.c
@@ -234,7 +234,9 @@ static int pllc2_set_rate(struct clk *clk, unsigned long rate)
 
 	value = __raw_readl(PLLC2CR) & ~(0x3f << 24);
 
-	__raw_writel((value & ~0x80000000) | ((idx + 19) << 24), PLLC2CR);
+	__raw_writel(value | ((idx + 19) << 24), PLLC2CR);
+
+	clk->rate = clk->freq_table[idx].frequency;
 
 	return 0;
 }
diff --git a/trunk/arch/arm/mach-shmobile/clock-sh73a0.c b/trunk/arch/arm/mach-shmobile/clock-sh73a0.c
index 720a71433be6..ddd4a1b775f0 100644
--- a/trunk/arch/arm/mach-shmobile/clock-sh73a0.c
+++ b/trunk/arch/arm/mach-shmobile/clock-sh73a0.c
@@ -118,8 +118,16 @@ static unsigned long pll_recalc(struct clk *clk)
 {
 	unsigned long mult = 1;
 
-	if (__raw_readl(PLLECR) & (1 << clk->enable_bit))
+	if (__raw_readl(PLLECR) & (1 << clk->enable_bit)) {
 		mult = (((__raw_readl(clk->enable_reg) >> 24) & 0x3f) + 1);
+		/* handle CFG bit for PLL1 and PLL2 */
+		switch (clk->enable_bit) {
+		case 1:
+		case 2:
+			if (__raw_readl(clk->enable_reg) & (1 << 20))
+				mult *= 2;
+		}
+	}
 
 	return clk->parent->rate * mult;
 }
@@ -212,7 +220,7 @@ enum { DIV4_I, DIV4_ZG, DIV4_M3, DIV4_B, DIV4_M1, DIV4_M2,
 static struct clk div4_clks[DIV4_NR] = {
 	[DIV4_I] = DIV4(FRQCRA, 20, 0xfff, CLK_ENABLE_ON_INIT),
 	[DIV4_ZG] = DIV4(FRQCRA, 16, 0xbff, CLK_ENABLE_ON_INIT),
-	[DIV4_M3] = DIV4(FRQCRA, 8, 0xfff, CLK_ENABLE_ON_INIT),
+	[DIV4_M3] = DIV4(FRQCRA, 12, 0xfff, CLK_ENABLE_ON_INIT),
 	[DIV4_B] = DIV4(FRQCRA, 8, 0xfff, CLK_ENABLE_ON_INIT),
 	[DIV4_M1] = DIV4(FRQCRA, 4, 0xfff, 0),
 	[DIV4_M2] = DIV4(FRQCRA, 0, 0xfff, 0),
@@ -255,10 +263,10 @@ static struct clk div6_clks[DIV6_NR] = {
 };
 
 enum { MSTP001,
-	MSTP125, MSTP116,
+	MSTP125, MSTP118, MSTP116, MSTP100,
 	MSTP219,
 	MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
-	MSTP331, MSTP329, MSTP323, MSTP312,
+	MSTP331, MSTP329, MSTP325, MSTP323, MSTP312,
 	MSTP411, MSTP410, MSTP403,
 	MSTP_NR };
 
@@ -268,7 +276,9 @@ enum { MSTP001,
 static struct clk mstp_clks[MSTP_NR] = {
 	[MSTP001] = MSTP(&div4_clks[DIV4_HP], SMSTPCR0, 1, 0), /* IIC2 */
 	[MSTP125] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR1, 25, 0), /* TMU0 */
+	[MSTP118] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 18, 0), /* DSITX0 */
 	[MSTP116] = MSTP(&div4_clks[DIV4_HP], SMSTPCR1, 16, 0), /* IIC0 */
+	[MSTP100] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 0, 0), /* LCDC0 */
 	[MSTP219] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 19, 0), /* SCIFA7 */
 	[MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */
 	[MSTP206] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */
@@ -279,6 +289,7 @@ static struct clk mstp_clks[MSTP_NR] = {
 	[MSTP200] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 0, 0), /* SCIFA4 */
 	[MSTP331] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 31, 0), /* SCIFA6 */
 	[MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */
+	[MSTP325] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 25, 0), /* IrDA */
 	[MSTP323] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 23, 0), /* IIC1 */
 	[MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMCIF0 */
 	[MSTP411] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 11, 0), /* IIC3 */
@@ -288,16 +299,25 @@ static struct clk mstp_clks[MSTP_NR] = {
 
 #define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk }
 #define CLKDEV_DEV_ID(_id, _clk) { .dev_id = _id, .clk = _clk }
+#define CLKDEV_ICK_ID(_cid, _did, _clk) { .con_id = _cid, .dev_id = _did, .clk = _clk }
 
 static struct clk_lookup lookups[] = {
 	/* main clocks */
 	CLKDEV_CON_ID("r_clk", &r_clk),
 
+	/* DIV6 clocks */
+	CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSIT]),
+	CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSIT]),
+	CLKDEV_ICK_ID("dsi0p_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSI0P]),
+	CLKDEV_ICK_ID("dsi1p_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSI1P]),
+
 	/* MSTP32 clocks */
 	CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[MSTP001]), /* I2C2 */
+	CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), /* LCDC0 */
 	CLKDEV_DEV_ID("sh_tmu.0", &mstp_clks[MSTP125]), /* TMU00 */
 	CLKDEV_DEV_ID("sh_tmu.1", &mstp_clks[MSTP125]), /* TMU01 */
 	CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), /* I2C0 */
+	CLKDEV_DEV_ID("sh-mipi-dsi.0", &mstp_clks[MSTP118]), /* DSITX */
 	CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP219]), /* SCIFA7 */
 	CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */
 	CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP206]), /* SCIFB */
@@ -308,6 +328,7 @@ static struct clk_lookup lookups[] = {
 	CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]), /* SCIFA4 */
 	CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP331]), /* SCIFA6 */
 	CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */
+	CLKDEV_DEV_ID("sh_irda.0", &mstp_clks[MSTP325]), /* IrDA */
 	CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* I2C1 */
 	CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMCIF0 */
 	CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* I2C3 */
diff --git a/trunk/arch/arm/mach-shmobile/intc-sh7372.c b/trunk/arch/arm/mach-shmobile/intc-sh7372.c
index f78a1ead71a5..ca5f9d17b39a 100644
--- a/trunk/arch/arm/mach-shmobile/intc-sh7372.c
+++ b/trunk/arch/arm/mach-shmobile/intc-sh7372.c
@@ -365,6 +365,7 @@ static struct intc_desc intca_desc __initdata = {
 
 enum {
 	UNUSED_INTCS = 0,
+	ENABLED_INTCS,
 
 	INTCS,
 
@@ -413,7 +414,7 @@ enum {
 	CMT4,
 	DSITX1_DSITX1_0,
 	DSITX1_DSITX1_1,
-	/* MFIS2 */
+	MFIS2_INTCS, /* Priority always enabled using ENABLED_INTCS */
 	CPORTS2R,
 	/* CEC */
 	JPU6E,
@@ -477,7 +478,7 @@ static struct intc_vect intcs_vectors[] = {
 	INTCS_VECT(CMT4, 0x1980),
 	INTCS_VECT(DSITX1_DSITX1_0, 0x19a0),
 	INTCS_VECT(DSITX1_DSITX1_1, 0x19c0),
-	/* MFIS2 */
+	INTCS_VECT(MFIS2_INTCS, 0x1a00),
 	INTCS_VECT(CPORTS2R, 0x1a20),
 	/* CEC */
 	INTCS_VECT(JPU6E, 0x1a80),
@@ -543,7 +544,7 @@ static struct intc_mask_reg intcs_mask_registers[] = {
 	  { 0, TMU1_TUNI2, TMU1_TUNI1, TMU1_TUNI0,
 	    CMT4, DSITX1_DSITX1_0, DSITX1_DSITX1_1, 0 } },
 	{ 0xffd5019c, 0xffd501dc, 8, /* IMR7SA3 / IMCR7SA3 */
-	  { 0, CPORTS2R, 0, 0,
+	  { MFIS2_INTCS, CPORTS2R, 0, 0,
 	    JPU6E, 0, 0, 0 } },
 	{ 0xffd20104, 0, 16, /* INTAMASK */
 	  { 0, 0, 0, 0, 0, 0, 0, 0,
@@ -571,7 +572,8 @@ static struct intc_prio_reg intcs_prio_registers[] = {
 	{ 0xffd50030, 0, 16, 4, /* IPRMS3 */ { TMU1, 0, 0, 0 } },
 	{ 0xffd50034, 0, 16, 4, /* IPRNS3 */ { CMT4, DSITX1_DSITX1_0,
 					       DSITX1_DSITX1_1, 0 } },
-	{ 0xffd50038, 0, 16, 4, /* IPROS3 */ { 0, CPORTS2R, 0, 0 } },
+	{ 0xffd50038, 0, 16, 4, /* IPROS3 */ { ENABLED_INTCS, CPORTS2R,
+					       0, 0 } },
 	{ 0xffd5003c, 0, 16, 4, /* IPRPS3 */ { JPU6E, 0, 0, 0 } },
 };
 
@@ -590,6 +592,7 @@ static struct resource intcs_resources[] __initdata = {
 
 static struct intc_desc intcs_desc __initdata = {
 	.name = "sh7372-intcs",
+	.force_enable = ENABLED_INTCS,
 	.resource = intcs_resources,
 	.num_resources = ARRAY_SIZE(intcs_resources),
 	.hw = INTC_HW_DESC(intcs_vectors, intcs_groups, intcs_mask_registers,
diff --git a/trunk/arch/arm/mach-shmobile/intc-sh73a0.c b/trunk/arch/arm/mach-shmobile/intc-sh73a0.c
index 322d8d57cbcf..5d0e1503ece6 100644
--- a/trunk/arch/arm/mach-shmobile/intc-sh73a0.c
+++ b/trunk/arch/arm/mach-shmobile/intc-sh73a0.c
@@ -252,10 +252,11 @@ static irqreturn_t sh73a0_intcs_demux(int irq, void *dev_id)
 
 void __init sh73a0_init_irq(void)
 {
-	void __iomem *gic_base = __io(0xf0001000);
+	void __iomem *gic_dist_base = __io(0xf0001000);
+	void __iomem *gic_cpu_base = __io(0xf0000100);
 	void __iomem *intevtsa = ioremap_nocache(0xffd20100, PAGE_SIZE);
 
-	gic_init(0, 29, gic_base, gic_base);
+	gic_init(0, 29, gic_dist_base, gic_cpu_base);
 
 	register_intc_controller(&intcs_desc);
 
diff --git a/trunk/arch/arm/mach-tegra/include/mach/kbc.h b/trunk/arch/arm/mach-tegra/include/mach/kbc.h
new file mode 100644
index 000000000000..66ad2760c621
--- /dev/null
+++ b/trunk/arch/arm/mach-tegra/include/mach/kbc.h
@@ -0,0 +1,61 @@
+/*
+ * Platform definitions for tegra-kbc keyboard input driver
+ *
+ * Copyright (c) 2010-2011, NVIDIA Corporation.
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#ifndef ASMARM_ARCH_TEGRA_KBC_H
+#define ASMARM_ARCH_TEGRA_KBC_H
+
+#include <linux/types.h>
+#include <linux/input/matrix_keypad.h>
+
+#ifdef CONFIG_ARCH_TEGRA_2x_SOC
+#define KBC_MAX_GPIO	24
+#define KBC_MAX_KPENT	8
+#else
+#define KBC_MAX_GPIO	20
+#define KBC_MAX_KPENT	7
+#endif
+
+#define KBC_MAX_ROW	16
+#define KBC_MAX_COL	8
+#define KBC_MAX_KEY	(KBC_MAX_ROW * KBC_MAX_COL)
+
+struct tegra_kbc_pin_cfg {
+	bool is_row;
+	unsigned char num;
+};
+
+struct tegra_kbc_wake_key {
+	u8 row:4;
+	u8 col:4;
+};
+
+struct tegra_kbc_platform_data {
+	unsigned int debounce_cnt;
+	unsigned int repeat_cnt;
+
+	unsigned int wake_cnt; /* 0:wake on any key >1:wake on wake_cfg */
+	const struct tegra_kbc_wake_key *wake_cfg;
+
+	struct tegra_kbc_pin_cfg pin_cfg[KBC_MAX_GPIO];
+	const struct matrix_keymap_data *keymap_data;
+
+	bool wakeup;
+};
+#endif
diff --git a/trunk/arch/arm/mach-versatile/Kconfig b/trunk/arch/arm/mach-versatile/Kconfig
index 3f7b5e9d83c5..9cdec5aa04a0 100644
--- a/trunk/arch/arm/mach-versatile/Kconfig
+++ b/trunk/arch/arm/mach-versatile/Kconfig
@@ -2,17 +2,19 @@ menu "Versatile platform type"
 	depends on ARCH_VERSATILE
 
 config ARCH_VERSATILE_PB
-	bool "Support Versatile/PB platform"
+	bool "Support Versatile Platform Baseboard for ARM926EJ-S"
 	select CPU_ARM926T
 	select MIGHT_HAVE_PCI
 	default y
 	help
-	  Include support for the ARM(R) Versatile/PB platform.
+	  Include support for the ARM(R) Versatile Platform Baseboard
+	  for the ARM926EJ-S.
 
 config MACH_VERSATILE_AB
-	bool "Support Versatile/AB platform"
+	bool "Support Versatile Application Baseboard for ARM926EJ-S"
 	select CPU_ARM926T
 	help
-	  Include support for the ARM(R) Versatile/AP platform.
+	  Include support for the ARM(R) Versatile Application Baseboard
+	  for the ARM926EJ-S.
 
 endmenu
diff --git a/trunk/arch/arm/mach-vexpress/platsmp.c b/trunk/arch/arm/mach-vexpress/platsmp.c
index b1687b6abe63..634bf1d3a311 100644
--- a/trunk/arch/arm/mach-vexpress/platsmp.c
+++ b/trunk/arch/arm/mach-vexpress/platsmp.c
@@ -39,7 +39,7 @@ volatile int __cpuinitdata pen_release = -1;
  * observers, irrespective of whether they're taking part in coherency
  * or not.  This is necessary for the hotplug code to work reliably.
  */
-static void write_pen_release(int val)
+static void __cpuinit write_pen_release(int val)
 {
 	pen_release = val;
 	smp_wmb();
diff --git a/trunk/arch/arm/mach-vexpress/v2m.c b/trunk/arch/arm/mach-vexpress/v2m.c
index a9ed3428a2fa..1edae65a0e72 100644
--- a/trunk/arch/arm/mach-vexpress/v2m.c
+++ b/trunk/arch/arm/mach-vexpress/v2m.c
@@ -19,6 +19,7 @@
 #include <asm/mach/time.h>
 #include <asm/hardware/arm_timer.h>
 #include <asm/hardware/timer-sp.h>
+#include <asm/hardware/sp810.h>
 
 #include <mach/motherboard.h>
 
@@ -50,8 +51,16 @@ void __init v2m_map_io(struct map_desc *tile, size_t num)
 
 static void __init v2m_timer_init(void)
 {
+	u32 scctrl;
+
 	versatile_sched_clock_init(MMIO_P2V(V2M_SYS_24MHZ), 24000000);
 
+	/* Select 1MHz TIMCLK as the reference clock for SP804 timers */
+	scctrl = readl(MMIO_P2V(V2M_SYSCTL + SCCTRL));
+	scctrl |= SCCTRL_TIMEREN0SEL_TIMCLK;
+	scctrl |= SCCTRL_TIMEREN1SEL_TIMCLK;
+	writel(scctrl, MMIO_P2V(V2M_SYSCTL + SCCTRL));
+
 	writel(0, MMIO_P2V(V2M_TIMER0) + TIMER_CTRL);
 	writel(0, MMIO_P2V(V2M_TIMER1) + TIMER_CTRL);
 
diff --git a/trunk/arch/avr32/include/asm/pgalloc.h b/trunk/arch/avr32/include/asm/pgalloc.h
index 92ecd8446ef8..bc7e8ae479ee 100644
--- a/trunk/arch/avr32/include/asm/pgalloc.h
+++ b/trunk/arch/avr32/include/asm/pgalloc.h
@@ -8,6 +8,7 @@
 #ifndef __ASM_AVR32_PGALLOC_H
 #define __ASM_AVR32_PGALLOC_H
 
+#include <linux/mm.h>
 #include <linux/quicklist.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
diff --git a/trunk/arch/m68k/amiga/config.c b/trunk/arch/m68k/amiga/config.c
index b1577f741fa8..82a4bb51d5d8 100644
--- a/trunk/arch/m68k/amiga/config.c
+++ b/trunk/arch/m68k/amiga/config.c
@@ -610,17 +610,17 @@ static void amiga_mem_console_write(struct console *co, const char *s,
 
 static int __init amiga_savekmsg_setup(char *arg)
 {
-	static struct resource debug_res = { .name = "Debug" };
-
 	if (!MACH_IS_AMIGA || strcmp(arg, "mem"))
-		goto done;
+		return 0;
 
-	if (!AMIGAHW_PRESENT(CHIP_RAM)) {
-		printk("Warning: no chipram present for debugging\n");
-		goto done;
+	if (amiga_chip_size < SAVEKMSG_MAXMEM) {
+		pr_err("Not enough chipram for debugging\n");
+		return -ENOMEM;
 	}
 
-	savekmsg = amiga_chip_alloc_res(SAVEKMSG_MAXMEM, &debug_res);
+	/* Just steal the block, the chipram allocator isn't functional yet */
+	amiga_chip_size -= SAVEKMSG_MAXMEM;
+	savekmsg = (void *)ZTWO_VADDR(CHIP_PHYSADDR + amiga_chip_size);
 	savekmsg->magic1 = SAVEKMSG_MAGIC1;
 	savekmsg->magic2 = SAVEKMSG_MAGIC2;
 	savekmsg->magicptr = ZTWO_PADDR(savekmsg);
@@ -628,8 +628,6 @@ static int __init amiga_savekmsg_setup(char *arg)
 
 	amiga_console_driver.write = amiga_mem_console_write;
 	register_console(&amiga_console_driver);
-
-done:
 	return 0;
 }
 
diff --git a/trunk/arch/m68k/atari/ataints.c b/trunk/arch/m68k/atari/ataints.c
index 39478dd08e67..26a804e67bce 100644
--- a/trunk/arch/m68k/atari/ataints.c
+++ b/trunk/arch/m68k/atari/ataints.c
@@ -388,9 +388,9 @@ void __init atari_init_IRQ(void)
 	}
 
 	if (ATARIHW_PRESENT(SCC) && !atari_SCC_reset_done) {
-		scc.cha_a_ctrl = 9;
+		atari_scc.cha_a_ctrl = 9;
 		MFPDELAY();
-		scc.cha_a_ctrl = (char) 0xc0; /* hardware reset */
+		atari_scc.cha_a_ctrl = (char) 0xc0; /* hardware reset */
 	}
 
 	if (ATARIHW_PRESENT(SCU)) {
diff --git a/trunk/arch/m68k/atari/config.c b/trunk/arch/m68k/atari/config.c
index ae2d96e5d618..4203d101363c 100644
--- a/trunk/arch/m68k/atari/config.c
+++ b/trunk/arch/m68k/atari/config.c
@@ -315,7 +315,7 @@ void __init config_atari(void)
 		ATARIHW_SET(SCC_DMA);
 		printk("SCC_DMA ");
 	}
-	if (scc_test(&scc.cha_a_ctrl)) {
+	if (scc_test(&atari_scc.cha_a_ctrl)) {
 		ATARIHW_SET(SCC);
 		printk("SCC ");
 	}
diff --git a/trunk/arch/m68k/atari/debug.c b/trunk/arch/m68k/atari/debug.c
index 28efdc33c1ae..5a484247e493 100644
--- a/trunk/arch/m68k/atari/debug.c
+++ b/trunk/arch/m68k/atari/debug.c
@@ -53,9 +53,9 @@ static inline void ata_scc_out(char c)
 {
 	do {
 		MFPDELAY();
-	} while (!(scc.cha_b_ctrl & 0x04)); /* wait for tx buf empty */
+	} while (!(atari_scc.cha_b_ctrl & 0x04)); /* wait for tx buf empty */
 	MFPDELAY();
-	scc.cha_b_data = c;
+	atari_scc.cha_b_data = c;
 }
 
 static void atari_scc_console_write(struct console *co, const char *str,
@@ -140,9 +140,9 @@ int atari_scc_console_wait_key(struct console *co)
 {
 	do {
 		MFPDELAY();
-	} while (!(scc.cha_b_ctrl & 0x01)); /* wait for rx buf filled */
+	} while (!(atari_scc.cha_b_ctrl & 0x01)); /* wait for rx buf filled */
 	MFPDELAY();
-	return scc.cha_b_data;
+	return atari_scc.cha_b_data;
 }
 
 int atari_midi_console_wait_key(struct console *co)
@@ -185,9 +185,9 @@ static void __init atari_init_mfp_port(int cflag)
 
 #define SCC_WRITE(reg, val)				\
 	do {						\
-		scc.cha_b_ctrl = (reg);			\
+		atari_scc.cha_b_ctrl = (reg);		\
 		MFPDELAY();				\
-		scc.cha_b_ctrl = (val);			\
+		atari_scc.cha_b_ctrl = (val);		\
 		MFPDELAY();				\
 	} while (0)
 
@@ -240,7 +240,7 @@ static void __init atari_init_scc_port(int cflag)
 	reg3 = (cflag & CSIZE) == CS8 ? 0xc0 : 0x40;
 	reg5 = (cflag & CSIZE) == CS8 ? 0x60 : 0x20 | 0x82 /* assert DTR/RTS */;
 
-	(void)scc.cha_b_ctrl;		/* reset reg pointer */
+	(void)atari_scc.cha_b_ctrl;	/* reset reg pointer */
 	SCC_WRITE(9, 0xc0);		/* reset */
 	LONG_DELAY();			/* extra delay after WR9 access */
 	SCC_WRITE(4, (cflag & PARENB) ? ((cflag & PARODD) ? 0x01 : 0x03)
diff --git a/trunk/arch/m68k/include/asm/atarihw.h b/trunk/arch/m68k/include/asm/atarihw.h
index a714e1aa072a..f51f709bbf30 100644
--- a/trunk/arch/m68k/include/asm/atarihw.h
+++ b/trunk/arch/m68k/include/asm/atarihw.h
@@ -449,7 +449,7 @@ struct SCC
   u_char char_dummy3;
   u_char cha_b_data;
  };
-# define scc ((*(volatile struct SCC*)SCC_BAS))
+# define atari_scc ((*(volatile struct SCC*)SCC_BAS))
 
 /* The ESCC (Z85230) in an Atari ST. The channels are reversed! */
 # define st_escc ((*(volatile struct SCC*)0xfffffa31))
diff --git a/trunk/arch/m68k/include/asm/string.h b/trunk/arch/m68k/include/asm/string.h
index 2936dda938d7..65b131282837 100644
--- a/trunk/arch/m68k/include/asm/string.h
+++ b/trunk/arch/m68k/include/asm/string.h
@@ -81,18 +81,6 @@ static inline char *strncpy(char *dest, const char *src, size_t n)
 	strcpy(__d + strlen(__d), (s));		\
 })
 
-#define __HAVE_ARCH_STRCHR
-static inline char *strchr(const char *s, int c)
-{
-	char sc, ch = c;
-
-	for (; (sc = *s++) != ch; ) {
-		if (!sc)
-			return NULL;
-	}
-	return (char *)s - 1;
-}
-
 #ifndef CONFIG_COLDFIRE
 #define __HAVE_ARCH_STRCMP
 static inline int strcmp(const char *cs, const char *ct)
diff --git a/trunk/arch/parisc/kernel/pdc_cons.c b/trunk/arch/parisc/kernel/pdc_cons.c
index 11bdd68e5762..fc770be465ff 100644
--- a/trunk/arch/parisc/kernel/pdc_cons.c
+++ b/trunk/arch/parisc/kernel/pdc_cons.c
@@ -169,11 +169,11 @@ static int __init pdc_console_tty_driver_init(void)
 
 	struct console *tmp;
 
-	acquire_console_sem();
+	console_lock();
 	for_each_console(tmp)
 		if (tmp == &pdc_cons)
 			break;
-	release_console_sem();
+	console_unlock();
 
 	if (!tmp) {
 		printk(KERN_INFO "PDC console driver not registered anymore, not creating %s\n", pdc_cons.name);
diff --git a/trunk/arch/sh/Kconfig b/trunk/arch/sh/Kconfig
index ae555569823b..8a9011dced14 100644
--- a/trunk/arch/sh/Kconfig
+++ b/trunk/arch/sh/Kconfig
@@ -15,6 +15,7 @@ config SUPERH
 	select HAVE_KERNEL_GZIP
 	select HAVE_KERNEL_BZIP2
 	select HAVE_KERNEL_LZMA
+	select HAVE_KERNEL_XZ
 	select HAVE_KERNEL_LZO
 	select HAVE_SYSCALL_TRACEPOINTS
 	select HAVE_REGS_AND_STACK_ACCESS_API
diff --git a/trunk/arch/sh/Makefile b/trunk/arch/sh/Makefile
index 9c8c6e1a2a15..e3d8170ad00b 100644
--- a/trunk/arch/sh/Makefile
+++ b/trunk/arch/sh/Makefile
@@ -200,7 +200,7 @@ endif
 libs-$(CONFIG_SUPERH32)		:= arch/sh/lib/	$(libs-y)
 libs-$(CONFIG_SUPERH64)		:= arch/sh/lib64/ $(libs-y)
 
-BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.lzo \
+BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.xz uImage.lzo \
 	       uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \
 	       romImage
 PHONY += $(BOOT_TARGETS)
@@ -230,5 +230,6 @@ define archhelp
 	@echo '* uImage.gz	           - Kernel-only image for U-Boot (gzip)'
 	@echo '  uImage.bz2	           - Kernel-only image for U-Boot (bzip2)'
 	@echo '  uImage.lzma	           - Kernel-only image for U-Boot (lzma)'
+	@echo '  uImage.xz	           - Kernel-only image for U-Boot (xz)'
 	@echo '  uImage.lzo	           - Kernel-only image for U-Boot (lzo)'
 endef
diff --git a/trunk/arch/sh/boards/mach-ecovec24/setup.c b/trunk/arch/sh/boards/mach-ecovec24/setup.c
index 33b662999fc6..701667acfd89 100644
--- a/trunk/arch/sh/boards/mach-ecovec24/setup.c
+++ b/trunk/arch/sh/boards/mach-ecovec24/setup.c
@@ -1294,6 +1294,7 @@ static int __init arch_setup(void)
 	i2c_register_board_info(1, i2c1_devices,
 				ARRAY_SIZE(i2c1_devices));
 
+#if defined(CONFIG_VIDEO_SH_VOU) || defined(CONFIG_VIDEO_SH_VOU_MODULE)
 	/* VOU */
 	gpio_request(GPIO_FN_DV_D15, NULL);
 	gpio_request(GPIO_FN_DV_D14, NULL);
@@ -1325,6 +1326,7 @@ static int __init arch_setup(void)
 
 	/* Remove reset */
 	gpio_set_value(GPIO_PTG4, 1);
+#endif
 
 	return platform_add_devices(ecovec_devices,
 				    ARRAY_SIZE(ecovec_devices));
diff --git a/trunk/arch/sh/boot/Makefile b/trunk/arch/sh/boot/Makefile
index 1ce63624c9b9..ba515d800245 100644
--- a/trunk/arch/sh/boot/Makefile
+++ b/trunk/arch/sh/boot/Makefile
@@ -24,12 +24,13 @@ suffix-y := bin
 suffix-$(CONFIG_KERNEL_GZIP)	:= gz
 suffix-$(CONFIG_KERNEL_BZIP2)	:= bz2
 suffix-$(CONFIG_KERNEL_LZMA)	:= lzma
+suffix-$(CONFIG_KERNEL_XZ)	:= xz
 suffix-$(CONFIG_KERNEL_LZO)	:= lzo
 
 targets := zImage vmlinux.srec romImage uImage uImage.srec uImage.gz \
-	   uImage.bz2 uImage.lzma uImage.lzo uImage.bin
+	   uImage.bz2 uImage.lzma uImage.xz uImage.lzo uImage.bin
 extra-y += vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma \
-	   vmlinux.bin.lzo
+	   vmlinux.bin.xz vmlinux.bin.lzo
 subdir- := compressed romimage
 
 $(obj)/zImage: $(obj)/compressed/vmlinux FORCE
@@ -76,6 +77,9 @@ $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
 $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
 	$(call if_changed,lzma)
 
+$(obj)/vmlinux.bin.xz: $(obj)/vmlinux.bin FORCE
+	$(call if_changed,xzkern)
+
 $(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE
 	$(call if_changed,lzo)
 
@@ -88,6 +92,9 @@ $(obj)/uImage.gz: $(obj)/vmlinux.bin.gz
 $(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma
 	$(call if_changed,uimage,lzma)
 
+$(obj)/uImage.xz: $(obj)/vmlinux.bin.xz
+	$(call if_changed,uimage,xz)
+
 $(obj)/uImage.lzo: $(obj)/vmlinux.bin.lzo
 	$(call if_changed,uimage,lzo)
 
diff --git a/trunk/arch/sh/boot/compressed/Makefile b/trunk/arch/sh/boot/compressed/Makefile
index cfa5a087a886..e0b0293bae63 100644
--- a/trunk/arch/sh/boot/compressed/Makefile
+++ b/trunk/arch/sh/boot/compressed/Makefile
@@ -6,7 +6,7 @@
 
 targets		:= vmlinux vmlinux.bin vmlinux.bin.gz \
 		   vmlinux.bin.bz2 vmlinux.bin.lzma \
-		   vmlinux.bin.lzo \
+		   vmlinux.bin.xz vmlinux.bin.lzo \
 		   head_$(BITS).o misc.o piggy.o
 
 OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o
@@ -50,6 +50,8 @@ $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
 	$(call if_changed,bzip2)
 $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
 	$(call if_changed,lzma)
+$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE
+	$(call if_changed,xzkern)
 $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE
 	$(call if_changed,lzo)
 
diff --git a/trunk/arch/sh/boot/compressed/misc.c b/trunk/arch/sh/boot/compressed/misc.c
index 27140a6b365d..95470a472d2c 100644
--- a/trunk/arch/sh/boot/compressed/misc.c
+++ b/trunk/arch/sh/boot/compressed/misc.c
@@ -61,6 +61,10 @@ static unsigned long free_mem_end_ptr;
 #include "../../../../lib/decompress_unlzma.c"
 #endif
 
+#ifdef CONFIG_KERNEL_XZ
+#include "../../../../lib/decompress_unxz.c"
+#endif
+
 #ifdef CONFIG_KERNEL_LZO
 #include "../../../../lib/decompress_unlzo.c"
 #endif
diff --git a/trunk/arch/sh/include/asm/pgtable.h b/trunk/arch/sh/include/asm/pgtable.h
index 083ea068e819..db85916b9e95 100644
--- a/trunk/arch/sh/include/asm/pgtable.h
+++ b/trunk/arch/sh/include/asm/pgtable.h
@@ -134,6 +134,7 @@ typedef pte_t *pte_addr_t;
 extern void pgtable_cache_init(void);
 
 struct vm_area_struct;
+struct mm_struct;
 
 extern void __update_cache(struct vm_area_struct *vma,
 			   unsigned long address, pte_t pte);
diff --git a/trunk/arch/sh/kernel/cpu/sh4/setup-sh7750.c b/trunk/arch/sh/kernel/cpu/sh4/setup-sh7750.c
index c2b0aaaedcae..672944f5b19c 100644
--- a/trunk/arch/sh/kernel/cpu/sh4/setup-sh7750.c
+++ b/trunk/arch/sh/kernel/cpu/sh4/setup-sh7750.c
@@ -230,10 +230,10 @@ static struct platform_device *sh7750_devices[] __initdata = {
 static int __init sh7750_devices_setup(void)
 {
 	if (mach_is_rts7751r2d()) {
-		platform_register_device(&scif_device);
+		platform_device_register(&scif_device);
 	} else {
-		platform_register_device(&sci_device);
-		platform_register_device(&scif_device);
+		platform_device_register(&sci_device);
+		platform_device_register(&scif_device);
 	}
 
 	return platform_add_devices(sh7750_devices,
diff --git a/trunk/arch/sh/kernel/topology.c b/trunk/arch/sh/kernel/topology.c
index 948fdb656933..38e862852dd0 100644
--- a/trunk/arch/sh/kernel/topology.c
+++ b/trunk/arch/sh/kernel/topology.c
@@ -17,6 +17,7 @@
 static DEFINE_PER_CPU(struct cpu, cpu_devices);
 
 cpumask_t cpu_core_map[NR_CPUS];
+EXPORT_SYMBOL(cpu_core_map);
 
 static cpumask_t cpu_coregroup_map(unsigned int cpu)
 {
diff --git a/trunk/arch/x86/include/asm/paravirt.h b/trunk/arch/x86/include/asm/paravirt.h
index 2071a8b2b32f..ebbc4d8ab170 100644
--- a/trunk/arch/x86/include/asm/paravirt.h
+++ b/trunk/arch/x86/include/asm/paravirt.h
@@ -558,13 +558,12 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
 static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
 			      pmd_t *pmdp, pmd_t pmd)
 {
-#if PAGETABLE_LEVELS >= 3
 	if (sizeof(pmdval_t) > sizeof(long))
 		/* 5 arg words */
 		pv_mmu_ops.set_pmd_at(mm, addr, pmdp, pmd);
 	else
-		PVOP_VCALL4(pv_mmu_ops.set_pmd_at, mm, addr, pmdp, pmd.pmd);
-#endif
+		PVOP_VCALL4(pv_mmu_ops.set_pmd_at, mm, addr, pmdp,
+			    native_pmd_val(pmd));
 }
 #endif
 
diff --git a/trunk/drivers/char/bfin_jtag_comm.c b/trunk/drivers/char/bfin_jtag_comm.c
index e397df3ad98e..16402445f2b2 100644
--- a/trunk/drivers/char/bfin_jtag_comm.c
+++ b/trunk/drivers/char/bfin_jtag_comm.c
@@ -183,16 +183,16 @@ bfin_jc_circ_write(const unsigned char *buf, int count)
 }
 
 #ifndef CONFIG_BFIN_JTAG_COMM_CONSOLE
-# define acquire_console_sem()
-# define release_console_sem()
+# define console_lock()
+# define console_unlock()
 #endif
 static int
 bfin_jc_write(struct tty_struct *tty, const unsigned char *buf, int count)
 {
 	int i;
-	acquire_console_sem();
+	console_lock();
 	i = bfin_jc_circ_write(buf, count);
-	release_console_sem();
+	console_unlock();
 	wake_up_process(bfin_jc_kthread);
 	return i;
 }
diff --git a/trunk/drivers/clocksource/tcb_clksrc.c b/trunk/drivers/clocksource/tcb_clksrc.c
index 01b886e68822..79c47e88d5d1 100644
--- a/trunk/drivers/clocksource/tcb_clksrc.c
+++ b/trunk/drivers/clocksource/tcb_clksrc.c
@@ -196,9 +196,9 @@ static void __init setup_clkevents(struct atmel_tc *tc, int clk32k_divisor_idx)
 	clkevt.clkevt.min_delta_ns = clockevent_delta2ns(1, &clkevt.clkevt) + 1;
 	clkevt.clkevt.cpumask = cpumask_of(0);
 
-	setup_irq(irq, &tc_irqaction);
-
 	clockevents_register_device(&clkevt.clkevt);
+
+	setup_irq(irq, &tc_irqaction);
 }
 
 #else /* !CONFIG_GENERIC_CLOCKEVENTS */
diff --git a/trunk/drivers/gpio/langwell_gpio.c b/trunk/drivers/gpio/langwell_gpio.c
index d81cc748e77f..54d70a47afc1 100644
--- a/trunk/drivers/gpio/langwell_gpio.c
+++ b/trunk/drivers/gpio/langwell_gpio.c
@@ -187,7 +187,7 @@ MODULE_DEVICE_TABLE(pci, lnw_gpio_ids);
 
 static void lnw_irq_handler(unsigned irq, struct irq_desc *desc)
 {
-	struct lnw_gpio *lnw = (struct lnw_gpio *)get_irq_data(irq);
+	struct lnw_gpio *lnw = get_irq_data(irq);
 	u32 base, gpio;
 	void __iomem *gedr;
 	u32 gedr_v;
@@ -206,7 +206,12 @@ static void lnw_irq_handler(unsigned irq, struct irq_desc *desc)
 		/* clear the edge detect status bit */
 		writel(gedr_v, gedr);
 	}
-	desc->chip->eoi(irq);
+
+	if (desc->chip->irq_eoi)
+		desc->chip->irq_eoi(irq_get_irq_data(irq));
+	else
+		dev_warn(lnw->chip.dev, "missing EOI handler for irq %d\n", irq);
+
 }
 
 static int __devinit lnw_gpio_probe(struct pci_dev *pdev,
diff --git a/trunk/drivers/gpu/drm/nouveau/nouveau_drv.c b/trunk/drivers/gpu/drm/nouveau/nouveau_drv.c
index 13bb672a16f4..f658a04eecf9 100644
--- a/trunk/drivers/gpu/drm/nouveau/nouveau_drv.c
+++ b/trunk/drivers/gpu/drm/nouveau/nouveau_drv.c
@@ -234,9 +234,9 @@ nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state)
 		pci_set_power_state(pdev, PCI_D3hot);
 	}
 
-	acquire_console_sem();
+	console_lock();
 	nouveau_fbcon_set_suspend(dev, 1);
-	release_console_sem();
+	console_unlock();
 	nouveau_fbcon_restore_accel(dev);
 	return 0;
 
@@ -359,9 +359,9 @@ nouveau_pci_resume(struct pci_dev *pdev)
 		nv_crtc->lut.depth = 0;
 	}
 
-	acquire_console_sem();
+	console_lock();
 	nouveau_fbcon_set_suspend(dev, 0);
-	release_console_sem();
+	console_unlock();
 
 	nouveau_fbcon_zfill_all(dev);
 
diff --git a/trunk/drivers/gpu/drm/radeon/radeon_device.c b/trunk/drivers/gpu/drm/radeon/radeon_device.c
index 26091d602b84..0d478932b1a9 100644
--- a/trunk/drivers/gpu/drm/radeon/radeon_device.c
+++ b/trunk/drivers/gpu/drm/radeon/radeon_device.c
@@ -891,9 +891,9 @@ int radeon_suspend_kms(struct drm_device *dev, pm_message_t state)
 		pci_disable_device(dev->pdev);
 		pci_set_power_state(dev->pdev, PCI_D3hot);
 	}
-	acquire_console_sem();
+	console_lock();
 	radeon_fbdev_set_suspend(rdev, 1);
-	release_console_sem();
+	console_unlock();
 	return 0;
 }
 
@@ -905,11 +905,11 @@ int radeon_resume_kms(struct drm_device *dev)
 	if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
 		return 0;
 
-	acquire_console_sem();
+	console_lock();
 	pci_set_power_state(dev->pdev, PCI_D0);
 	pci_restore_state(dev->pdev);
 	if (pci_enable_device(dev->pdev)) {
-		release_console_sem();
+		console_unlock();
 		return -1;
 	}
 	pci_set_master(dev->pdev);
@@ -920,7 +920,7 @@ int radeon_resume_kms(struct drm_device *dev)
 	radeon_restore_bios_scratch_regs(rdev);
 
 	radeon_fbdev_set_suspend(rdev, 0);
-	release_console_sem();
+	console_unlock();
 
 	/* reset hpd state */
 	radeon_hpd_init(rdev);
diff --git a/trunk/drivers/input/keyboard/Kconfig b/trunk/drivers/input/keyboard/Kconfig
index 417507348bab..c7a92028f450 100644
--- a/trunk/drivers/input/keyboard/Kconfig
+++ b/trunk/drivers/input/keyboard/Kconfig
@@ -343,6 +343,16 @@ config KEYBOARD_NOMADIK
 	  To compile this driver as a module, choose M here: the
 	  module will be called nmk-ske-keypad.
 
+config KEYBOARD_TEGRA
+	tristate "NVIDIA Tegra internal matrix keyboard controller support"
+	depends on ARCH_TEGRA
+	help
+	  Say Y here if you want to use a matrix keyboard connected directly
+	  to the internal keyboard controller on Tegra SoCs.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called tegra-kbc.
+
 config KEYBOARD_OPENCORES
 	tristate "OpenCores Keyboard Controller"
 	help
diff --git a/trunk/drivers/input/keyboard/Makefile b/trunk/drivers/input/keyboard/Makefile
index 4e5571b72cda..468c627a2844 100644
--- a/trunk/drivers/input/keyboard/Makefile
+++ b/trunk/drivers/input/keyboard/Makefile
@@ -42,6 +42,7 @@ obj-$(CONFIG_KEYBOARD_STMPE)		+= stmpe-keypad.o
 obj-$(CONFIG_KEYBOARD_STOWAWAY)		+= stowaway.o
 obj-$(CONFIG_KEYBOARD_SUNKBD)		+= sunkbd.o
 obj-$(CONFIG_KEYBOARD_TC3589X)		+= tc3589x-keypad.o
+obj-$(CONFIG_KEYBOARD_TEGRA)		+= tegra-kbc.o
 obj-$(CONFIG_KEYBOARD_TNETV107X)	+= tnetv107x-keypad.o
 obj-$(CONFIG_KEYBOARD_TWL4030)		+= twl4030_keypad.o
 obj-$(CONFIG_KEYBOARD_XTKBD)		+= xtkbd.o
diff --git a/trunk/drivers/input/keyboard/gpio_keys.c b/trunk/drivers/input/keyboard/gpio_keys.c
index 6069abe31e42..eb3006361ee4 100644
--- a/trunk/drivers/input/keyboard/gpio_keys.c
+++ b/trunk/drivers/input/keyboard/gpio_keys.c
@@ -322,7 +322,7 @@ static void gpio_keys_report_event(struct gpio_button_data *bdata)
 	struct gpio_keys_button *button = bdata->button;
 	struct input_dev *input = bdata->input;
 	unsigned int type = button->type ?: EV_KEY;
-	int state = (gpio_get_value(button->gpio) ? 1 : 0) ^ button->active_low;
+	int state = (gpio_get_value_cansleep(button->gpio) ? 1 : 0) ^ button->active_low;
 
 	input_event(input, type, button->code, !!state);
 	input_sync(input);
@@ -410,8 +410,8 @@ static int __devinit gpio_keys_setup_key(struct platform_device *pdev,
 	if (!button->can_disable)
 		irqflags |= IRQF_SHARED;
 
-	error = request_irq(irq, gpio_keys_isr, irqflags, desc, bdata);
-	if (error) {
+	error = request_any_context_irq(irq, gpio_keys_isr, irqflags, desc, bdata);
+	if (error < 0) {
 		dev_err(dev, "Unable to claim irq %d; error %d\n",
 			irq, error);
 		goto fail3;
diff --git a/trunk/drivers/input/keyboard/tegra-kbc.c b/trunk/drivers/input/keyboard/tegra-kbc.c
new file mode 100644
index 000000000000..939476659ad6
--- /dev/null
+++ b/trunk/drivers/input/keyboard/tegra-kbc.c
@@ -0,0 +1,727 @@
+/*
+ * Keyboard class input driver for the NVIDIA Tegra SoC internal matrix
+ * keyboard controller
+ *
+ * Copyright (c) 2009-2011, NVIDIA Corporation.
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/input.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/interrupt.h>
+#include <linux/clk.h>
+#include <linux/slab.h>
+#include <mach/clk.h>
+#include <mach/kbc.h>
+
+#define KBC_MAX_DEBOUNCE_CNT	0x3ffu
+
+/* KBC row scan time and delay for beginning the row scan. */
+#define KBC_ROW_SCAN_TIME	16
+#define KBC_ROW_SCAN_DLY	5
+
+/* KBC uses a 32KHz clock so a cycle = 1/32Khz */
+#define KBC_CYCLE_USEC	32
+
+/* KBC Registers */
+
+/* KBC Control Register */
+#define KBC_CONTROL_0	0x0
+#define KBC_FIFO_TH_CNT_SHIFT(cnt)	(cnt << 14)
+#define KBC_DEBOUNCE_CNT_SHIFT(cnt)	(cnt << 4)
+#define KBC_CONTROL_FIFO_CNT_INT_EN	(1 << 3)
+#define KBC_CONTROL_KBC_EN		(1 << 0)
+
+/* KBC Interrupt Register */
+#define KBC_INT_0	0x4
+#define KBC_INT_FIFO_CNT_INT_STATUS	(1 << 2)
+
+#define KBC_ROW_CFG0_0	0x8
+#define KBC_COL_CFG0_0	0x18
+#define KBC_INIT_DLY_0	0x28
+#define KBC_RPT_DLY_0	0x2c
+#define KBC_KP_ENT0_0	0x30
+#define KBC_KP_ENT1_0	0x34
+#define KBC_ROW0_MASK_0	0x38
+
+#define KBC_ROW_SHIFT	3
+
+struct tegra_kbc {
+	void __iomem *mmio;
+	struct input_dev *idev;
+	unsigned int irq;
+	unsigned int wake_enable_rows;
+	unsigned int wake_enable_cols;
+	spinlock_t lock;
+	unsigned int repoll_dly;
+	unsigned long cp_dly_jiffies;
+	const struct tegra_kbc_platform_data *pdata;
+	unsigned short keycode[KBC_MAX_KEY];
+	unsigned short current_keys[KBC_MAX_KPENT];
+	unsigned int num_pressed_keys;
+	struct timer_list timer;
+	struct clk *clk;
+};
+
+static const u32 tegra_kbc_default_keymap[] = {
+	KEY(0, 2, KEY_W),
+	KEY(0, 3, KEY_S),
+	KEY(0, 4, KEY_A),
+	KEY(0, 5, KEY_Z),
+	KEY(0, 7, KEY_FN),
+
+	KEY(1, 7, KEY_MENU),
+
+	KEY(2, 6, KEY_RIGHTALT),
+	KEY(2, 7, KEY_LEFTALT),
+
+	KEY(3, 0, KEY_5),
+	KEY(3, 1, KEY_4),
+	KEY(3, 2, KEY_R),
+	KEY(3, 3, KEY_E),
+	KEY(3, 4, KEY_F),
+	KEY(3, 5, KEY_D),
+	KEY(3, 6, KEY_X),
+
+	KEY(4, 0, KEY_7),
+	KEY(4, 1, KEY_6),
+	KEY(4, 2, KEY_T),
+	KEY(4, 3, KEY_H),
+	KEY(4, 4, KEY_G),
+	KEY(4, 5, KEY_V),
+	KEY(4, 6, KEY_C),
+	KEY(4, 7, KEY_SPACE),
+
+	KEY(5, 0, KEY_9),
+	KEY(5, 1, KEY_8),
+	KEY(5, 2, KEY_U),
+	KEY(5, 3, KEY_Y),
+	KEY(5, 4, KEY_J),
+	KEY(5, 5, KEY_N),
+	KEY(5, 6, KEY_B),
+	KEY(5, 7, KEY_BACKSLASH),
+
+	KEY(6, 0, KEY_MINUS),
+	KEY(6, 1, KEY_0),
+	KEY(6, 2, KEY_O),
+	KEY(6, 3, KEY_I),
+	KEY(6, 4, KEY_L),
+	KEY(6, 5, KEY_K),
+	KEY(6, 6, KEY_COMMA),
+	KEY(6, 7, KEY_M),
+
+	KEY(7, 1, KEY_EQUAL),
+	KEY(7, 2, KEY_RIGHTBRACE),
+	KEY(7, 3, KEY_ENTER),
+	KEY(7, 7, KEY_MENU),
+
+	KEY(8, 4, KEY_RIGHTSHIFT),
+	KEY(8, 5, KEY_LEFTSHIFT),
+
+	KEY(9, 5, KEY_RIGHTCTRL),
+	KEY(9, 7, KEY_LEFTCTRL),
+
+	KEY(11, 0, KEY_LEFTBRACE),
+	KEY(11, 1, KEY_P),
+	KEY(11, 2, KEY_APOSTROPHE),
+	KEY(11, 3, KEY_SEMICOLON),
+	KEY(11, 4, KEY_SLASH),
+	KEY(11, 5, KEY_DOT),
+
+	KEY(12, 0, KEY_F10),
+	KEY(12, 1, KEY_F9),
+	KEY(12, 2, KEY_BACKSPACE),
+	KEY(12, 3, KEY_3),
+	KEY(12, 4, KEY_2),
+	KEY(12, 5, KEY_UP),
+	KEY(12, 6, KEY_PRINT),
+	KEY(12, 7, KEY_PAUSE),
+
+	KEY(13, 0, KEY_INSERT),
+	KEY(13, 1, KEY_DELETE),
+	KEY(13, 3, KEY_PAGEUP),
+	KEY(13, 4, KEY_PAGEDOWN),
+	KEY(13, 5, KEY_RIGHT),
+	KEY(13, 6, KEY_DOWN),
+	KEY(13, 7, KEY_LEFT),
+
+	KEY(14, 0, KEY_F11),
+	KEY(14, 1, KEY_F12),
+	KEY(14, 2, KEY_F8),
+	KEY(14, 3, KEY_Q),
+	KEY(14, 4, KEY_F4),
+	KEY(14, 5, KEY_F3),
+	KEY(14, 6, KEY_1),
+	KEY(14, 7, KEY_F7),
+
+	KEY(15, 0, KEY_ESC),
+	KEY(15, 1, KEY_GRAVE),
+	KEY(15, 2, KEY_F5),
+	KEY(15, 3, KEY_TAB),
+	KEY(15, 4, KEY_F1),
+	KEY(15, 5, KEY_F2),
+	KEY(15, 6, KEY_CAPSLOCK),
+	KEY(15, 7, KEY_F6),
+};
+
+static const struct matrix_keymap_data tegra_kbc_default_keymap_data = {
+	.keymap		= tegra_kbc_default_keymap,
+	.keymap_size	= ARRAY_SIZE(tegra_kbc_default_keymap),
+};
+
+static void tegra_kbc_report_released_keys(struct input_dev *input,
+					   unsigned short old_keycodes[],
+					   unsigned int old_num_keys,
+					   unsigned short new_keycodes[],
+					   unsigned int new_num_keys)
+{
+	unsigned int i, j;
+
+	for (i = 0; i < old_num_keys; i++) {
+		for (j = 0; j < new_num_keys; j++)
+			if (old_keycodes[i] == new_keycodes[j])
+				break;
+
+		if (j == new_num_keys)
+			input_report_key(input, old_keycodes[i], 0);
+	}
+}
+
+static void tegra_kbc_report_pressed_keys(struct input_dev *input,
+					  unsigned char scancodes[],
+					  unsigned short keycodes[],
+					  unsigned int num_pressed_keys)
+{
+	unsigned int i;
+
+	for (i = 0; i < num_pressed_keys; i++) {
+		input_event(input, EV_MSC, MSC_SCAN, scancodes[i]);
+		input_report_key(input, keycodes[i], 1);
+	}
+}
+
+static void tegra_kbc_report_keys(struct tegra_kbc *kbc)
+{
+	unsigned char scancodes[KBC_MAX_KPENT];
+	unsigned short keycodes[KBC_MAX_KPENT];
+	u32 val = 0;
+	unsigned int i;
+	unsigned int num_down = 0;
+	unsigned long flags;
+
+	spin_lock_irqsave(&kbc->lock, flags);
+	for (i = 0; i < KBC_MAX_KPENT; i++) {
+		if ((i % 4) == 0)
+			val = readl(kbc->mmio + KBC_KP_ENT0_0 + i);
+
+		if (val & 0x80) {
+			unsigned int col = val & 0x07;
+			unsigned int row = (val >> 3) & 0x0f;
+			unsigned char scancode =
+				MATRIX_SCAN_CODE(row, col, KBC_ROW_SHIFT);
+
+			scancodes[num_down] = scancode;
+			keycodes[num_down++] = kbc->keycode[scancode];
+		}
+
+		val >>= 8;
+	}
+	spin_unlock_irqrestore(&kbc->lock, flags);
+
+	tegra_kbc_report_released_keys(kbc->idev,
+				       kbc->current_keys, kbc->num_pressed_keys,
+				       keycodes, num_down);
+	tegra_kbc_report_pressed_keys(kbc->idev, scancodes, keycodes, num_down);
+	input_sync(kbc->idev);
+
+	memcpy(kbc->current_keys, keycodes, sizeof(kbc->current_keys));
+	kbc->num_pressed_keys = num_down;
+}
+
+static void tegra_kbc_keypress_timer(unsigned long data)
+{
+	struct tegra_kbc *kbc = (struct tegra_kbc *)data;
+	unsigned long flags;
+	u32 val;
+	unsigned int i;
+
+	val = (readl(kbc->mmio + KBC_INT_0) >> 4) & 0xf;
+	if (val) {
+		unsigned long dly;
+
+		tegra_kbc_report_keys(kbc);
+
+		/*
+		 * If more than one keys are pressed we need not wait
+		 * for the repoll delay.
+		 */
+		dly = (val == 1) ? kbc->repoll_dly : 1;
+		mod_timer(&kbc->timer, jiffies + msecs_to_jiffies(dly));
+	} else {
+		/* Release any pressed keys and exit the polling loop */
+		for (i = 0; i < kbc->num_pressed_keys; i++)
+			input_report_key(kbc->idev, kbc->current_keys[i], 0);
+		input_sync(kbc->idev);
+
+		kbc->num_pressed_keys = 0;
+
+		/* All keys are released so enable the keypress interrupt */
+		spin_lock_irqsave(&kbc->lock, flags);
+		val = readl(kbc->mmio + KBC_CONTROL_0);
+		val |= KBC_CONTROL_FIFO_CNT_INT_EN;
+		writel(val, kbc->mmio + KBC_CONTROL_0);
+		spin_unlock_irqrestore(&kbc->lock, flags);
+	}
+}
+
+static irqreturn_t tegra_kbc_isr(int irq, void *args)
+{
+	struct tegra_kbc *kbc = args;
+	u32 val, ctl;
+
+	/*
+	 * Until all keys are released, defer further processing to
+	 * the polling loop in tegra_kbc_keypress_timer
+	 */
+	ctl = readl(kbc->mmio + KBC_CONTROL_0);
+	ctl &= ~KBC_CONTROL_FIFO_CNT_INT_EN;
+	writel(ctl, kbc->mmio + KBC_CONTROL_0);
+
+	/*
+	 * Quickly bail out & reenable interrupts if the fifo threshold
+	 * count interrupt wasn't the interrupt source
+	 */
+	val = readl(kbc->mmio + KBC_INT_0);
+	writel(val, kbc->mmio + KBC_INT_0);
+
+	if (val & KBC_INT_FIFO_CNT_INT_STATUS) {
+		/*
+		 * Schedule timer to run when hardware is in continuous
+		 * polling mode.
+		 */
+		mod_timer(&kbc->timer, jiffies + kbc->cp_dly_jiffies);
+	} else {
+		ctl |= KBC_CONTROL_FIFO_CNT_INT_EN;
+		writel(ctl, kbc->mmio + KBC_CONTROL_0);
+	}
+
+	return IRQ_HANDLED;
+}
+
+static void tegra_kbc_setup_wakekeys(struct tegra_kbc *kbc, bool filter)
+{
+	const struct tegra_kbc_platform_data *pdata = kbc->pdata;
+	int i;
+	unsigned int rst_val;
+
+	BUG_ON(pdata->wake_cnt > KBC_MAX_KEY);
+	rst_val = (filter && pdata->wake_cnt) ? ~0 : 0;
+
+	for (i = 0; i < KBC_MAX_ROW; i++)
+		writel(rst_val, kbc->mmio + KBC_ROW0_MASK_0 + i * 4);
+
+	if (filter) {
+		for (i = 0; i < pdata->wake_cnt; i++) {
+			u32 val, addr;
+			addr = pdata->wake_cfg[i].row * 4 + KBC_ROW0_MASK_0;
+			val = readl(kbc->mmio + addr);
+			val &= ~(1 << pdata->wake_cfg[i].col);
+			writel(val, kbc->mmio + addr);
+		}
+	}
+}
+
+static void tegra_kbc_config_pins(struct tegra_kbc *kbc)
+{
+	const struct tegra_kbc_platform_data *pdata = kbc->pdata;
+	int i;
+
+	for (i = 0; i < KBC_MAX_GPIO; i++) {
+		u32 r_shft = 5 * (i % 6);
+		u32 c_shft = 4 * (i % 8);
+		u32 r_mask = 0x1f << r_shift;
+		u32 c_mask = 0x0f << c_shift;
+		u32 r_offs = (i / 6) * 4 + KBC_ROW_CFG0_0;
+		u32 c_offs = (i / 8) * 4 + KBC_COL_CFG0_0;
+		u32 row_cfg = readl(kbc->mmio + r_offs);
+		u32 col_cfg = readl(kbc->mmio + c_offs);
+
+		row_cfg &= ~r_mask;
+		col_cfg &= ~c_mask;
+
+		if (pdata->pin_cfg[i].is_row)
+			row_cfg |= ((pdata->pin_cfg[i].num << 1) | 1) << r_shft;
+		else
+			col_cfg |= ((pdata->pin_cfg[i].num << 1) | 1) << c_shft;
+
+		writel(row_cfg, kbc->mmio + r_offs);
+		writel(col_cfg, kbc->mmio + c_offs);
+	}
+}
+
+static int tegra_kbc_start(struct tegra_kbc *kbc)
+{
+	const struct tegra_kbc_platform_data *pdata = kbc->pdata;
+	unsigned long flags;
+	unsigned int debounce_cnt;
+	u32 val = 0;
+
+	clk_enable(kbc->clk);
+
+	/* Reset the KBC controller to clear all previous status.*/
+	tegra_periph_reset_assert(kbc->clk);
+	udelay(100);
+	tegra_periph_reset_deassert(kbc->clk);
+	udelay(100);
+
+	tegra_kbc_config_pins(kbc);
+	tegra_kbc_setup_wakekeys(kbc, false);
+
+	writel(pdata->repeat_cnt, kbc->mmio + KBC_RPT_DLY_0);
+
+	/* Keyboard debounce count is maximum of 12 bits. */
+	debounce_cnt = min(pdata->debounce_cnt, KBC_MAX_DEBOUNCE_CNT);
+	val = KBC_DEBOUNCE_CNT_SHIFT(debounce_cnt);
+	val |= KBC_FIFO_TH_CNT_SHIFT(1); /* set fifo interrupt threshold to 1 */
+	val |= KBC_CONTROL_FIFO_CNT_INT_EN;  /* interrupt on FIFO threshold */
+	val |= KBC_CONTROL_KBC_EN;     /* enable */
+	writel(val, kbc->mmio + KBC_CONTROL_0);
+
+	/*
+	 * Compute the delay(ns) from interrupt mode to continuous polling
+	 * mode so the timer routine is scheduled appropriately.
+	 */
+	val = readl(kbc->mmio + KBC_INIT_DLY_0);
+	kbc->cp_dly_jiffies = usecs_to_jiffies((val & 0xfffff) * 32);
+
+	kbc->num_pressed_keys = 0;
+
+	/*
+	 * Atomically clear out any remaining entries in the key FIFO
+	 * and enable keyboard interrupts.
+	 */
+	spin_lock_irqsave(&kbc->lock, flags);
+	while (1) {
+		val = readl(kbc->mmio + KBC_INT_0);
+		val >>= 4;
+		if (!val)
+			break;
+
+		val = readl(kbc->mmio + KBC_KP_ENT0_0);
+		val = readl(kbc->mmio + KBC_KP_ENT1_0);
+	}
+	writel(0x7, kbc->mmio + KBC_INT_0);
+	spin_unlock_irqrestore(&kbc->lock, flags);
+
+	enable_irq(kbc->irq);
+
+	return 0;
+}
+
+static void tegra_kbc_stop(struct tegra_kbc *kbc)
+{
+	unsigned long flags;
+	u32 val;
+
+	spin_lock_irqsave(&kbc->lock, flags);
+	val = readl(kbc->mmio + KBC_CONTROL_0);
+	val &= ~1;
+	writel(val, kbc->mmio + KBC_CONTROL_0);
+	spin_unlock_irqrestore(&kbc->lock, flags);
+
+	disable_irq(kbc->irq);
+	del_timer_sync(&kbc->timer);
+
+	clk_disable(kbc->clk);
+}
+
+static int tegra_kbc_open(struct input_dev *dev)
+{
+	struct tegra_kbc *kbc = input_get_drvdata(dev);
+
+	return tegra_kbc_start(kbc);
+}
+
+static void tegra_kbc_close(struct input_dev *dev)
+{
+	struct tegra_kbc *kbc = input_get_drvdata(dev);
+
+	return tegra_kbc_stop(kbc);
+}
+
+static bool __devinit
+tegra_kbc_check_pin_cfg(const struct tegra_kbc_platform_data *pdata,
+			struct device *dev, unsigned int *num_rows)
+{
+	int i;
+
+	*num_rows = 0;
+
+	for (i = 0; i < KBC_MAX_GPIO; i++) {
+		const struct tegra_kbc_pin_cfg *pin_cfg = &pdata->pin_cfg[i];
+
+		if (pin_cfg->is_row) {
+			if (pin_cfg->num >= KBC_MAX_ROW) {
+				dev_err(dev,
+					"pin_cfg[%d]: invalid row number %d\n",
+					i, pin_cfg->num);
+				return false;
+			}
+			(*num_rows)++;
+		} else {
+			if (pin_cfg->num >= KBC_MAX_COL) {
+				dev_err(dev,
+					"pin_cfg[%d]: invalid column number %d\n",
+					i, pin_cfg->num);
+				return false;
+			}
+		}
+	}
+
+	return true;
+}
+
+static int __devinit tegra_kbc_probe(struct platform_device *pdev)
+{
+	const struct tegra_kbc_platform_data *pdata = pdev->dev.platform_data;
+	const struct matrix_keymap_data *keymap_data;
+	struct tegra_kbc *kbc;
+	struct input_dev *input_dev;
+	struct resource *res;
+	int irq;
+	int err;
+	int i;
+	int num_rows = 0;
+	unsigned int debounce_cnt;
+	unsigned int scan_time_rows;
+
+	if (!pdata)
+		return -EINVAL;
+
+	if (!tegra_kbc_check_pin_cfg(pdata, &pdev->dev, &num_rows))
+		return -EINVAL;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(&pdev->dev, "failed to get I/O memory\n");
+		return -ENXIO;
+	}
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		dev_err(&pdev->dev, "failed to get keyboard IRQ\n");
+		return -ENXIO;
+	}
+
+	kbc = kzalloc(sizeof(*kbc), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!kbc || !input_dev) {
+		err = -ENOMEM;
+		goto err_free_mem;
+	}
+
+	kbc->pdata = pdata;
+	kbc->idev = input_dev;
+	kbc->irq = irq;
+	spin_lock_init(&kbc->lock);
+	setup_timer(&kbc->timer, tegra_kbc_keypress_timer, (unsigned long)kbc);
+
+	res = request_mem_region(res->start, resource_size(res), pdev->name);
+	if (!res) {
+		dev_err(&pdev->dev, "failed to request I/O memory\n");
+		err = -EBUSY;
+		goto err_free_mem;
+	}
+
+	kbc->mmio = ioremap(res->start, resource_size(res));
+	if (!kbc->mmio) {
+		dev_err(&pdev->dev, "failed to remap I/O memory\n");
+		err = -ENXIO;
+		goto err_free_mem_region;
+	}
+
+	kbc->clk = clk_get(&pdev->dev, NULL);
+	if (IS_ERR(kbc->clk)) {
+		dev_err(&pdev->dev, "failed to get keyboard clock\n");
+		err = PTR_ERR(kbc->clk);
+		goto err_iounmap;
+	}
+
+	kbc->wake_enable_rows = 0;
+	kbc->wake_enable_cols = 0;
+	for (i = 0; i < pdata->wake_cnt; i++) {
+		kbc->wake_enable_rows |= (1 << pdata->wake_cfg[i].row);
+		kbc->wake_enable_cols |= (1 << pdata->wake_cfg[i].col);
+	}
+
+	/*
+	 * The time delay between two consecutive reads of the FIFO is
+	 * the sum of the repeat time and the time taken for scanning
+	 * the rows. There is an additional delay before the row scanning
+	 * starts. The repoll delay is computed in milliseconds.
+	 */
+	debounce_cnt = min(pdata->debounce_cnt, KBC_MAX_DEBOUNCE_CNT);
+	scan_time_rows = (KBC_ROW_SCAN_TIME + debounce_cnt) * num_rows;
+	kbc->repoll_dly = KBC_ROW_SCAN_DLY + scan_time_rows + pdata->repeat_cnt;
+	kbc->repoll_dly = ((kbc->repoll_dly * KBC_CYCLE_USEC) + 999) / 1000;
+
+	input_dev->name = pdev->name;
+	input_dev->id.bustype = BUS_HOST;
+	input_dev->dev.parent = &pdev->dev;
+	input_dev->open = tegra_kbc_open;
+	input_dev->close = tegra_kbc_close;
+
+	input_set_drvdata(input_dev, kbc);
+
+	input_dev->evbit[0] = BIT_MASK(EV_KEY);
+	input_set_capability(input_dev, EV_MSC, MSC_SCAN);
+
+	input_dev->keycode = kbc->keycode;
+	input_dev->keycodesize = sizeof(kbc->keycode[0]);
+	input_dev->keycodemax = ARRAY_SIZE(kbc->keycode);
+
+	keymap_data = pdata->keymap_data ?: &tegra_kbc_default_keymap_data;
+	matrix_keypad_build_keymap(keymap_data, KBC_ROW_SHIFT,
+				   input_dev->keycode, input_dev->keybit);
+
+	err = request_irq(kbc->irq, tegra_kbc_isr, IRQF_TRIGGER_HIGH,
+			  pdev->name, kbc);
+	if (err) {
+		dev_err(&pdev->dev, "failed to request keyboard IRQ\n");
+		goto err_put_clk;
+	}
+
+	disable_irq(kbc->irq);
+
+	err = input_register_device(kbc->idev);
+	if (err) {
+		dev_err(&pdev->dev, "failed to register input device\n");
+		goto err_free_irq;
+	}
+
+	platform_set_drvdata(pdev, kbc);
+	device_init_wakeup(&pdev->dev, pdata->wakeup);
+
+	return 0;
+
+err_free_irq:
+	free_irq(kbc->irq, pdev);
+err_put_clk:
+	clk_put(kbc->clk);
+err_iounmap:
+	iounmap(kbc->mmio);
+err_free_mem_region:
+	release_mem_region(res->start, resource_size(res));
+err_free_mem:
+	input_free_device(kbc->idev);
+	kfree(kbc);
+
+	return err;
+}
+
+static int __devexit tegra_kbc_remove(struct platform_device *pdev)
+{
+	struct tegra_kbc *kbc = platform_get_drvdata(pdev);
+	struct resource *res;
+
+	free_irq(kbc->irq, pdev);
+	clk_put(kbc->clk);
+
+	input_unregister_device(kbc->idev);
+	iounmap(kbc->mmio);
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	release_mem_region(res->start, resource_size(res));
+
+	kfree(kbc);
+
+	platform_set_drvdata(pdev, NULL);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int tegra_kbc_suspend(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct tegra_kbc *kbc = platform_get_drvdata(pdev);
+
+	if (device_may_wakeup(&pdev->dev)) {
+		tegra_kbc_setup_wakekeys(kbc, true);
+		enable_irq_wake(kbc->irq);
+		/* Forcefully clear the interrupt status */
+		writel(0x7, kbc->mmio + KBC_INT_0);
+		msleep(30);
+	} else {
+		mutex_lock(&kbc->idev->mutex);
+		if (kbc->idev->users)
+			tegra_kbc_stop(kbc);
+		mutex_unlock(&kbc->idev->mutex);
+	}
+
+	return 0;
+}
+
+static int tegra_kbc_resume(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct tegra_kbc *kbc = platform_get_drvdata(pdev);
+	int err = 0;
+
+	if (device_may_wakeup(&pdev->dev)) {
+		disable_irq_wake(kbc->irq);
+		tegra_kbc_setup_wakekeys(kbc, false);
+	} else {
+		mutex_lock(&kbc->idev->mutex);
+		if (kbc->idev->users)
+			err = tegra_kbc_start(kbc);
+		mutex_unlock(&kbc->idev->mutex);
+	}
+
+	return err;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(tegra_kbc_pm_ops, tegra_kbc_suspend, tegra_kbc_resume);
+
+static struct platform_driver tegra_kbc_driver = {
+	.probe		= tegra_kbc_probe,
+	.remove		= __devexit_p(tegra_kbc_remove),
+	.driver	= {
+		.name	= "tegra-kbc",
+		.owner  = THIS_MODULE,
+		.pm	= &tegra_kbc_pm_ops,
+	},
+};
+
+static void __exit tegra_kbc_exit(void)
+{
+	platform_driver_unregister(&tegra_kbc_driver);
+}
+module_exit(tegra_kbc_exit);
+
+static int __init tegra_kbc_init(void)
+{
+	return platform_driver_register(&tegra_kbc_driver);
+}
+module_init(tegra_kbc_init);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Rakesh Iyer <riyer@nvidia.com>");
+MODULE_DESCRIPTION("Tegra matrix keyboard controller driver");
+MODULE_ALIAS("platform:tegra-kbc");
diff --git a/trunk/drivers/input/keyboard/tnetv107x-keypad.c b/trunk/drivers/input/keyboard/tnetv107x-keypad.c
index b4a81ebfab92..c8f097a15d89 100644
--- a/trunk/drivers/input/keyboard/tnetv107x-keypad.c
+++ b/trunk/drivers/input/keyboard/tnetv107x-keypad.c
@@ -14,6 +14,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/err.h>
 #include <linux/errno.h>
 #include <linux/input.h>
 #include <linux/platform_device.h>
@@ -219,9 +220,9 @@ static int __devinit keypad_probe(struct platform_device *pdev)
 	}
 
 	kp->clk = clk_get(dev, NULL);
-	if (!kp->clk) {
+	if (IS_ERR(kp->clk)) {
 		dev_err(dev, "cannot claim device clock\n");
-		error = -EINVAL;
+		error = PTR_ERR(kp->clk);
 		goto error_clk;
 	}
 
diff --git a/trunk/drivers/input/serio/ct82c710.c b/trunk/drivers/input/serio/ct82c710.c
index 448c7724beb9..852816567241 100644
--- a/trunk/drivers/input/serio/ct82c710.c
+++ b/trunk/drivers/input/serio/ct82c710.c
@@ -111,9 +111,11 @@ static void ct82c710_close(struct serio *serio)
 static int ct82c710_open(struct serio *serio)
 {
 	unsigned char status;
+	int err;
 
-	if (request_irq(CT82C710_IRQ, ct82c710_interrupt, 0, "ct82c710", NULL))
-		return -1;
+	err = request_irq(CT82C710_IRQ, ct82c710_interrupt, 0, "ct82c710", NULL);
+	if (err)
+		return err;
 
 	status = inb_p(CT82C710_STATUS);
 
@@ -131,7 +133,7 @@ static int ct82c710_open(struct serio *serio)
 		status &= ~(CT82C710_ENABLE | CT82C710_INTS_ON);
 		outb_p(status, CT82C710_STATUS);
 		free_irq(CT82C710_IRQ, NULL);
-		return -1;
+		return -EBUSY;
 	}
 
 	return 0;
diff --git a/trunk/drivers/input/serio/serport.c b/trunk/drivers/input/serio/serport.c
index 6e362de3f412..8755f5f3ad37 100644
--- a/trunk/drivers/input/serio/serport.c
+++ b/trunk/drivers/input/serio/serport.c
@@ -116,14 +116,15 @@ static void serport_ldisc_close(struct tty_struct *tty)
 
 /*
  * serport_ldisc_receive() is called by the low level tty driver when characters
- * are ready for us. We forward the characters, one by one to the 'interrupt'
- * routine.
+ * are ready for us. We forward the characters and flags, one by one to the
+ * 'interrupt' routine.
  */
 
 static void serport_ldisc_receive(struct tty_struct *tty, const unsigned char *cp, char *fp, int count)
 {
 	struct serport *serport = (struct serport*) tty->disc_data;
 	unsigned long flags;
+	unsigned int ch_flags;
 	int i;
 
 	spin_lock_irqsave(&serport->lock, flags);
@@ -131,8 +132,23 @@ static void serport_ldisc_receive(struct tty_struct *tty, const unsigned char *c
 	if (!test_bit(SERPORT_ACTIVE, &serport->flags))
 		goto out;
 
-	for (i = 0; i < count; i++)
-		serio_interrupt(serport->serio, cp[i], 0);
+	for (i = 0; i < count; i++) {
+		switch (fp[i]) {
+		case TTY_FRAME:
+			ch_flags = SERIO_FRAME;
+			break;
+
+		case TTY_PARITY:
+			ch_flags = SERIO_PARITY;
+			break;
+
+		default:
+			ch_flags = 0;
+			break;
+		}
+
+		serio_interrupt(serport->serio, cp[i], ch_flags);
+	}
 
 out:
 	spin_unlock_irqrestore(&serport->lock, flags);
diff --git a/trunk/drivers/input/sparse-keymap.c b/trunk/drivers/input/sparse-keymap.c
index a29a7812bd46..7729e547ba65 100644
--- a/trunk/drivers/input/sparse-keymap.c
+++ b/trunk/drivers/input/sparse-keymap.c
@@ -201,6 +201,7 @@ int sparse_keymap_setup(struct input_dev *dev,
 			break;
 
 		case KE_SW:
+		case KE_VSW:
 			__set_bit(EV_SW, dev->evbit);
 			__set_bit(entry->sw.code, dev->swbit);
 			break;
diff --git a/trunk/drivers/input/tablet/wacom_wac.c b/trunk/drivers/input/tablet/wacom_wac.c
index 518782999fea..367fa82a607e 100644
--- a/trunk/drivers/input/tablet/wacom_wac.c
+++ b/trunk/drivers/input/tablet/wacom_wac.c
@@ -1101,6 +1101,13 @@ void wacom_setup_device_quirks(struct wacom_features *features)
 	}
 }
 
+static unsigned int wacom_calculate_touch_res(unsigned int logical_max,
+					      unsigned int physical_max)
+{
+       /* Touch physical dimensions are in 100th of mm */
+       return (logical_max * 100) / physical_max;
+}
+
 void wacom_setup_input_capabilities(struct input_dev *input_dev,
 				    struct wacom_wac *wacom_wac)
 {
@@ -1228,8 +1235,12 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev,
 	case TABLETPC:
 		if (features->device_type == BTN_TOOL_DOUBLETAP ||
 		    features->device_type == BTN_TOOL_TRIPLETAP) {
-			input_set_abs_params(input_dev, ABS_RX, 0, features->x_phy, 0, 0);
-			input_set_abs_params(input_dev, ABS_RY, 0, features->y_phy, 0, 0);
+			input_abs_set_res(input_dev, ABS_X,
+				wacom_calculate_touch_res(features->x_max,
+							features->x_phy));
+			input_abs_set_res(input_dev, ABS_Y,
+				wacom_calculate_touch_res(features->y_max,
+							features->y_phy));
 			__set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
 		}
 
@@ -1272,6 +1283,12 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev,
 			input_set_abs_params(input_dev, ABS_MT_PRESSURE,
 					     0, features->pressure_max,
 					     features->pressure_fuzz, 0);
+			input_abs_set_res(input_dev, ABS_X,
+				wacom_calculate_touch_res(features->x_max,
+							features->x_phy));
+			input_abs_set_res(input_dev, ABS_Y,
+				wacom_calculate_touch_res(features->y_max,
+							features->y_phy));
 		} else if (features->device_type == BTN_TOOL_PEN) {
 			__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
 			__set_bit(BTN_TOOL_PEN, input_dev->keybit);
@@ -1426,6 +1443,10 @@ static struct wacom_features wacom_features_0xD3 =
 	{ "Wacom Bamboo 2FG 6x8", WACOM_PKGLEN_BBFUN,     21648, 13530, 1023, 63, BAMBOO_PT };
 static const struct wacom_features wacom_features_0xD4 =
 	{ "Wacom Bamboo Pen",     WACOM_PKGLEN_BBFUN,     14720,  9200,  255, 63, BAMBOO_PT };
+static struct wacom_features wacom_features_0xD6 =
+	{ "Wacom BambooPT 2FG 4x5", WACOM_PKGLEN_BBFUN,   14720,  9200, 1023, 63, BAMBOO_PT };
+static struct wacom_features wacom_features_0xD7 =
+	{ "Wacom BambooPT 2FG Small", WACOM_PKGLEN_BBFUN, 14720,  9200, 1023, 63, BAMBOO_PT };
 static struct wacom_features wacom_features_0xD8 =
 	{ "Wacom Bamboo Comic 2FG", WACOM_PKGLEN_BBFUN,   21648, 13530, 1023, 63, BAMBOO_PT };
 static struct wacom_features wacom_features_0xDA =
@@ -1507,6 +1528,8 @@ const struct usb_device_id wacom_ids[] = {
 	{ USB_DEVICE_WACOM(0xD2) },
 	{ USB_DEVICE_WACOM(0xD3) },
 	{ USB_DEVICE_WACOM(0xD4) },
+	{ USB_DEVICE_WACOM(0xD6) },
+	{ USB_DEVICE_WACOM(0xD7) },
 	{ USB_DEVICE_WACOM(0xD8) },
 	{ USB_DEVICE_WACOM(0xDA) },
 	{ USB_DEVICE_WACOM(0xDB) },
diff --git a/trunk/drivers/input/touchscreen/bu21013_ts.c b/trunk/drivers/input/touchscreen/bu21013_ts.c
index f7fa9ef4cd65..1507ce108d5b 100644
--- a/trunk/drivers/input/touchscreen/bu21013_ts.c
+++ b/trunk/drivers/input/touchscreen/bu21013_ts.c
@@ -12,6 +12,7 @@
 #include <linux/input.h>
 #include <linux/input/bu21013.h>
 #include <linux/slab.h>
+#include <linux/regulator/consumer.h>
 
 #define PEN_DOWN_INTR	0
 #define MAX_FINGERS	2
@@ -139,6 +140,7 @@
  * @chip: pointer to the touch panel controller
  * @in_dev: pointer to the input device structure
  * @intr_pin: interrupt pin value
+ * @regulator: pointer to the Regulator used for touch screen
  *
  * Touch panel device data structure
  */
@@ -149,6 +151,7 @@ struct bu21013_ts_data {
 	const struct bu21013_platform_device *chip;
 	struct input_dev *in_dev;
 	unsigned int intr_pin;
+	struct regulator *regulator;
 };
 
 /**
@@ -456,6 +459,20 @@ static int __devinit bu21013_probe(struct i2c_client *client,
 	bu21013_data->in_dev = in_dev;
 	bu21013_data->chip = pdata;
 	bu21013_data->client = client;
+
+	bu21013_data->regulator = regulator_get(&client->dev, "V-TOUCH");
+	if (IS_ERR(bu21013_data->regulator)) {
+		dev_err(&client->dev, "regulator_get failed\n");
+		error = PTR_ERR(bu21013_data->regulator);
+		goto err_free_mem;
+	}
+
+	error = regulator_enable(bu21013_data->regulator);
+	if (error < 0) {
+		dev_err(&client->dev, "regulator enable failed\n");
+		goto err_put_regulator;
+	}
+
 	bu21013_data->touch_stopped = false;
 	init_waitqueue_head(&bu21013_data->wait);
 
@@ -464,7 +481,7 @@ static int __devinit bu21013_probe(struct i2c_client *client,
 		error = pdata->cs_en(pdata->cs_pin);
 		if (error < 0) {
 			dev_err(&client->dev, "chip init failed\n");
-			goto err_free_mem;
+			goto err_disable_regulator;
 		}
 	}
 
@@ -485,9 +502,9 @@ static int __devinit bu21013_probe(struct i2c_client *client,
 	__set_bit(EV_ABS, in_dev->evbit);
 
 	input_set_abs_params(in_dev, ABS_MT_POSITION_X, 0,
-						pdata->x_max_res, 0, 0);
+						pdata->touch_x_max, 0, 0);
 	input_set_abs_params(in_dev, ABS_MT_POSITION_Y, 0,
-						pdata->y_max_res, 0, 0);
+						pdata->touch_y_max, 0, 0);
 	input_set_drvdata(in_dev, bu21013_data);
 
 	error = request_threaded_irq(pdata->irq, NULL, bu21013_gpio_irq,
@@ -513,6 +530,10 @@ static int __devinit bu21013_probe(struct i2c_client *client,
 	bu21013_free_irq(bu21013_data);
 err_cs_disable:
 	pdata->cs_dis(pdata->cs_pin);
+err_disable_regulator:
+	regulator_disable(bu21013_data->regulator);
+err_put_regulator:
+	regulator_put(bu21013_data->regulator);
 err_free_mem:
 	input_free_device(in_dev);
 	kfree(bu21013_data);
@@ -535,6 +556,10 @@ static int __devexit bu21013_remove(struct i2c_client *client)
 	bu21013_data->chip->cs_dis(bu21013_data->chip->cs_pin);
 
 	input_unregister_device(bu21013_data->in_dev);
+
+	regulator_disable(bu21013_data->regulator);
+	regulator_put(bu21013_data->regulator);
+
 	kfree(bu21013_data);
 
 	device_init_wakeup(&client->dev, false);
@@ -561,6 +586,8 @@ static int bu21013_suspend(struct device *dev)
 	else
 		disable_irq(bu21013_data->chip->irq);
 
+	regulator_disable(bu21013_data->regulator);
+
 	return 0;
 }
 
@@ -577,6 +604,12 @@ static int bu21013_resume(struct device *dev)
 	struct i2c_client *client = bu21013_data->client;
 	int retval;
 
+	retval = regulator_enable(bu21013_data->regulator);
+	if (retval < 0) {
+		dev_err(&client->dev, "bu21013 regulator enable failed\n");
+		return retval;
+	}
+
 	retval = bu21013_init_chip(bu21013_data);
 	if (retval < 0) {
 		dev_err(&client->dev, "bu21013 controller config failed\n");
diff --git a/trunk/drivers/input/touchscreen/tnetv107x-ts.c b/trunk/drivers/input/touchscreen/tnetv107x-ts.c
index cf1dba2e267c..22a3411e93c5 100644
--- a/trunk/drivers/input/touchscreen/tnetv107x-ts.c
+++ b/trunk/drivers/input/touchscreen/tnetv107x-ts.c
@@ -14,6 +14,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/err.h>
 #include <linux/errno.h>
 #include <linux/input.h>
 #include <linux/platform_device.h>
@@ -289,9 +290,9 @@ static int __devinit tsc_probe(struct platform_device *pdev)
 	}
 
 	ts->clk = clk_get(dev, NULL);
-	if (!ts->clk) {
+	if (IS_ERR(ts->clk)) {
 		dev_err(dev, "cannot claim device clock\n");
-		error = -EINVAL;
+		error = PTR_ERR(ts->clk);
 		goto error_clk;
 	}
 
diff --git a/trunk/drivers/leds/leds-pwm.c b/trunk/drivers/leds/leds-pwm.c
index da3fa8dcdf5b..666daf77872e 100644
--- a/trunk/drivers/leds/leds-pwm.c
+++ b/trunk/drivers/leds/leds-pwm.c
@@ -69,6 +69,7 @@ static int led_pwm_probe(struct platform_device *pdev)
 		led_dat->pwm = pwm_request(cur_led->pwm_id,
 				cur_led->name);
 		if (IS_ERR(led_dat->pwm)) {
+			ret = PTR_ERR(led_dat->pwm);
 			dev_err(&pdev->dev, "unable to request PWM %d\n",
 					cur_led->pwm_id);
 			goto err;
diff --git a/trunk/drivers/mmc/host/mmci.c b/trunk/drivers/mmc/host/mmci.c
index 563022825667..2de12fe155da 100644
--- a/trunk/drivers/mmc/host/mmci.c
+++ b/trunk/drivers/mmc/host/mmci.c
@@ -46,10 +46,6 @@ static unsigned int fmax = 515633;
  *	      is asserted (likewise for RX)
  * @fifohalfsize: number of bytes that can be written when MCI_TXFIFOHALFEMPTY
  *		  is asserted (likewise for RX)
- * @broken_blockend: the MCI_DATABLOCKEND is broken on the hardware
- *		and will not work at all.
- * @broken_blockend_dma: the MCI_DATABLOCKEND is broken on the hardware when
- *		using DMA.
  * @sdio: variant supports SDIO
  * @st_clkdiv: true if using a ST-specific clock divider algorithm
  */
@@ -59,8 +55,6 @@ struct variant_data {
 	unsigned int		datalength_bits;
 	unsigned int		fifosize;
 	unsigned int		fifohalfsize;
-	bool			broken_blockend;
-	bool			broken_blockend_dma;
 	bool			sdio;
 	bool			st_clkdiv;
 };
@@ -76,7 +70,6 @@ static struct variant_data variant_u300 = {
 	.fifohalfsize		= 8 * 4,
 	.clkreg_enable		= 1 << 13, /* HWFCEN */
 	.datalength_bits	= 16,
-	.broken_blockend_dma	= true,
 	.sdio			= true,
 };
 
@@ -86,7 +79,6 @@ static struct variant_data variant_ux500 = {
 	.clkreg			= MCI_CLK_ENABLE,
 	.clkreg_enable		= 1 << 14, /* HWFCEN */
 	.datalength_bits	= 24,
-	.broken_blockend	= true,
 	.sdio			= true,
 	.st_clkdiv		= true,
 };
@@ -210,8 +202,6 @@ static void mmci_start_data(struct mmci_host *host, struct mmc_data *data)
 	host->data = data;
 	host->size = data->blksz * data->blocks;
 	host->data_xfered = 0;
-	host->blockend = false;
-	host->dataend = false;
 
 	mmci_init_sg(host, data);
 
@@ -288,21 +278,26 @@ static void
 mmci_data_irq(struct mmci_host *host, struct mmc_data *data,
 	      unsigned int status)
 {
-	struct variant_data *variant = host->variant;
-
 	/* First check for errors */
 	if (status & (MCI_DATACRCFAIL|MCI_DATATIMEOUT|MCI_TXUNDERRUN|MCI_RXOVERRUN)) {
+		u32 remain, success;
+
+		/* Calculate how far we are into the transfer */
+		remain = readl(host->base + MMCIDATACNT) << 2;
+		success = data->blksz * data->blocks - remain;
+
 		dev_dbg(mmc_dev(host->mmc), "MCI ERROR IRQ (status %08x)\n", status);
-		if (status & MCI_DATACRCFAIL)
+		if (status & MCI_DATACRCFAIL) {
+			/* Last block was not successful */
+			host->data_xfered = ((success / data->blksz) - 1 * data->blksz);
 			data->error = -EILSEQ;
-		else if (status & MCI_DATATIMEOUT)
+		} else if (status & MCI_DATATIMEOUT) {
+			host->data_xfered = success;
 			data->error = -ETIMEDOUT;
-		else if (status & (MCI_TXUNDERRUN|MCI_RXOVERRUN))
+		} else if (status & (MCI_TXUNDERRUN|MCI_RXOVERRUN)) {
+			host->data_xfered = success;
 			data->error = -EIO;
-
-		/* Force-complete the transaction */
-		host->blockend = true;
-		host->dataend = true;
+		}
 
 		/*
 		 * We hit an error condition.  Ensure that any data
@@ -321,61 +316,14 @@ mmci_data_irq(struct mmci_host *host, struct mmc_data *data,
 		}
 	}
 
-	/*
-	 * On ARM variants in PIO mode, MCI_DATABLOCKEND
-	 * is always sent first, and we increase the
-	 * transfered number of bytes for that IRQ. Then
-	 * MCI_DATAEND follows and we conclude the transaction.
-	 *
-	 * On the Ux500 single-IRQ variant MCI_DATABLOCKEND
-	 * doesn't seem to immediately clear from the status,
-	 * so we can't use it keep count when only one irq is
-	 * used because the irq will hit for other reasons, and
-	 * then the flag is still up. So we use the MCI_DATAEND
-	 * IRQ at the end of the entire transfer because
-	 * MCI_DATABLOCKEND is broken.
-	 *
-	 * In the U300, the IRQs can arrive out-of-order,
-	 * e.g. MCI_DATABLOCKEND sometimes arrives after MCI_DATAEND,
-	 * so for this case we use the flags "blockend" and
-	 * "dataend" to make sure both IRQs have arrived before
-	 * concluding the transaction. (This does not apply
-	 * to the Ux500 which doesn't fire MCI_DATABLOCKEND
-	 * at all.) In DMA mode it suffers from the same problem
-	 * as the Ux500.
-	 */
-	if (status & MCI_DATABLOCKEND) {
-		/*
-		 * Just being a little over-cautious, we do not
-		 * use this progressive update if the hardware blockend
-		 * flag is unreliable: since it can stay high between
-		 * IRQs it will corrupt the transfer counter.
-		 */
-		if (!variant->broken_blockend)
-			host->data_xfered += data->blksz;
-		host->blockend = true;
-	}
-
-	if (status & MCI_DATAEND)
-		host->dataend = true;
+	if (status & MCI_DATABLOCKEND)
+		dev_err(mmc_dev(host->mmc), "stray MCI_DATABLOCKEND interrupt\n");
 
-	/*
-	 * On variants with broken blockend we shall only wait for dataend,
-	 * on others we must sync with the blockend signal since they can
-	 * appear out-of-order.
-	 */
-	if (host->dataend && (host->blockend || variant->broken_blockend)) {
+	if (status & MCI_DATAEND) {
 		mmci_stop_data(host);
 
-		/* Reset these flags */
-		host->blockend = false;
-		host->dataend = false;
-
-		/*
-		 * Variants with broken blockend flags need to handle the
-		 * end of the entire transfer here.
-		 */
-		if (variant->broken_blockend && !data->error)
+		if (!data->error)
+			/* The error clause is handled above, success! */
 			host->data_xfered += data->blksz * data->blocks;
 
 		if (!data->stop) {
@@ -770,7 +718,6 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
 	struct variant_data *variant = id->data;
 	struct mmci_host *host;
 	struct mmc_host *mmc;
-	unsigned int mask;
 	int ret;
 
 	/* must have platform data */
@@ -951,12 +898,7 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
 			goto irq0_free;
 	}
 
-	mask = MCI_IRQENABLE;
-	/* Don't use the datablockend flag if it's broken */
-	if (variant->broken_blockend)
-		mask &= ~MCI_DATABLOCKEND;
-
-	writel(mask, host->base + MMCIMASK0);
+	writel(MCI_IRQENABLE, host->base + MMCIMASK0);
 
 	amba_set_drvdata(dev, mmc);
 
diff --git a/trunk/drivers/mmc/host/mmci.h b/trunk/drivers/mmc/host/mmci.h
index df06f01aac89..c1df7b82d36c 100644
--- a/trunk/drivers/mmc/host/mmci.h
+++ b/trunk/drivers/mmc/host/mmci.h
@@ -137,7 +137,7 @@
 #define MCI_IRQENABLE	\
 	(MCI_CMDCRCFAILMASK|MCI_DATACRCFAILMASK|MCI_CMDTIMEOUTMASK|	\
 	MCI_DATATIMEOUTMASK|MCI_TXUNDERRUNMASK|MCI_RXOVERRUNMASK|	\
-	MCI_CMDRESPENDMASK|MCI_CMDSENTMASK|MCI_DATABLOCKENDMASK)
+	MCI_CMDRESPENDMASK|MCI_CMDSENTMASK)
 
 /* These interrupts are directed to IRQ1 when two IRQ lines are available */
 #define MCI_IRQ1MASK \
@@ -177,9 +177,6 @@ struct mmci_host {
 	struct timer_list	timer;
 	unsigned int		oldstat;
 
-	bool			blockend;
-	bool			dataend;
-
 	/* pio stuff */
 	struct sg_mapping_iter	sg_miter;
 	unsigned int		size;
diff --git a/trunk/drivers/parport/share.c b/trunk/drivers/parport/share.c
index a2d9d1e59260..a848e02e6be3 100644
--- a/trunk/drivers/parport/share.c
+++ b/trunk/drivers/parport/share.c
@@ -678,7 +678,7 @@ void parport_unregister_device(struct pardevice *dev)
 
 	/* Make sure we haven't left any pointers around in the wait
 	 * list. */
-	spin_lock (&port->waitlist_lock);
+	spin_lock_irq(&port->waitlist_lock);
 	if (dev->waitprev || dev->waitnext || port->waithead == dev) {
 		if (dev->waitprev)
 			dev->waitprev->waitnext = dev->waitnext;
@@ -689,7 +689,7 @@ void parport_unregister_device(struct pardevice *dev)
 		else
 			port->waittail = dev->waitprev;
 	}
-	spin_unlock (&port->waitlist_lock);
+	spin_unlock_irq(&port->waitlist_lock);
 
 	kfree(dev->state);
 	kfree(dev);
diff --git a/trunk/drivers/platform/x86/intel_scu_ipc.c b/trunk/drivers/platform/x86/intel_scu_ipc.c
index 1752ef006d26..f374c5961b32 100644
--- a/trunk/drivers/platform/x86/intel_scu_ipc.c
+++ b/trunk/drivers/platform/x86/intel_scu_ipc.c
@@ -161,7 +161,7 @@ static int pwr_reg_rdwr(u16 *addr, u8 *data, u32 count, u32 op, u32 id)
 {
 	int i, nc, bytes, d;
 	u32 offset = 0;
-	u32 err = 0;
+	int err;
 	u8 cbuf[IPC_WWBUF_SIZE] = { };
 	u32 *wbuf = (u32 *)&cbuf;
 
@@ -404,7 +404,7 @@ EXPORT_SYMBOL(intel_scu_ipc_update_register);
  */
 int intel_scu_ipc_simple_command(int cmd, int sub)
 {
-	u32 err = 0;
+	int err;
 
 	mutex_lock(&ipclock);
 	if (ipcdev.pdev == NULL) {
@@ -434,8 +434,7 @@ EXPORT_SYMBOL(intel_scu_ipc_simple_command);
 int intel_scu_ipc_command(int cmd, int sub, u32 *in, int inlen,
 							u32 *out, int outlen)
 {
-	u32 err = 0;
-	int i = 0;
+	int i, err;
 
 	mutex_lock(&ipclock);
 	if (ipcdev.pdev == NULL) {
diff --git a/trunk/drivers/platform/x86/intel_scu_ipcutil.c b/trunk/drivers/platform/x86/intel_scu_ipcutil.c
index ba3231d0819e..b93a03259c16 100644
--- a/trunk/drivers/platform/x86/intel_scu_ipcutil.c
+++ b/trunk/drivers/platform/x86/intel_scu_ipcutil.c
@@ -128,6 +128,6 @@ static void __exit ipc_module_exit(void)
 module_init(ipc_module_init);
 module_exit(ipc_module_exit);
 
-MODULE_LICENSE("GPL V2");
+MODULE_LICENSE("GPL v2");
 MODULE_DESCRIPTION("Utility driver for intel scu ipc");
 MODULE_AUTHOR("Sreedhara <sreedhara.ds@intel.com>");
diff --git a/trunk/drivers/pps/clients/pps-ktimer.c b/trunk/drivers/pps/clients/pps-ktimer.c
index 2728469d3884..82583b0ff82d 100644
--- a/trunk/drivers/pps/clients/pps-ktimer.c
+++ b/trunk/drivers/pps/clients/pps-ktimer.c
@@ -46,8 +46,6 @@ static void pps_ktimer_event(unsigned long ptr)
 	/* First of all we get the time stamp... */
 	pps_get_ts(&ts);
 
-	dev_info(pps->dev, "PPS event at %lu\n", jiffies);
-
 	pps_event(pps, &ts, PPS_CAPTUREASSERT, NULL);
 
 	mod_timer(&ktimer, jiffies + HZ);
diff --git a/trunk/drivers/pps/clients/pps_parport.c b/trunk/drivers/pps/clients/pps_parport.c
index 32221efd9ca9..c571d6dd8f61 100644
--- a/trunk/drivers/pps/clients/pps_parport.c
+++ b/trunk/drivers/pps/clients/pps_parport.c
@@ -163,7 +163,7 @@ static void parport_attach(struct parport *port)
 	}
 
 	device->pardev = parport_register_device(port, KBUILD_MODNAME,
-			NULL, NULL, parport_irq, 0, device);
+			NULL, NULL, parport_irq, PARPORT_FLAG_EXCL, device);
 	if (!device->pardev) {
 		pr_err("couldn't register with %s\n", port->name);
 		goto err_free;
diff --git a/trunk/drivers/pps/generators/pps_gen_parport.c b/trunk/drivers/pps/generators/pps_gen_parport.c
index 5c32f8dacf56..b93af3ebb5ba 100644
--- a/trunk/drivers/pps/generators/pps_gen_parport.c
+++ b/trunk/drivers/pps/generators/pps_gen_parport.c
@@ -198,7 +198,7 @@ static void parport_attach(struct parport *port)
 	}
 
 	device.pardev = parport_register_device(port, KBUILD_MODNAME,
-			NULL, NULL, NULL, 0, &device);
+			NULL, NULL, NULL, PARPORT_FLAG_EXCL, &device);
 	if (!device.pardev) {
 		pr_err("couldn't register with %s\n", port->name);
 		return;
diff --git a/trunk/drivers/sh/intc/chip.c b/trunk/drivers/sh/intc/chip.c
index de885a0f917a..f33e2dd97934 100644
--- a/trunk/drivers/sh/intc/chip.c
+++ b/trunk/drivers/sh/intc/chip.c
@@ -173,7 +173,8 @@ int intc_set_priority(unsigned int irq, unsigned int prio)
 	return 0;
 }
 
-#define VALID(x) (x | 0x80)
+#define SENSE_VALID_FLAG 0x80
+#define VALID(x) (x | SENSE_VALID_FLAG)
 
 static unsigned char intc_irq_sense_table[IRQ_TYPE_SENSE_MASK + 1] = {
 	[IRQ_TYPE_EDGE_FALLING] = VALID(0),
@@ -201,7 +202,8 @@ static int intc_set_type(struct irq_data *data, unsigned int type)
 	ihp = intc_find_irq(d->sense, d->nr_sense, irq);
 	if (ihp) {
 		addr = INTC_REG(d, _INTC_ADDR_E(ihp->handle), 0);
-		intc_reg_fns[_INTC_FN(ihp->handle)](addr, ihp->handle, value);
+		intc_reg_fns[_INTC_FN(ihp->handle)](addr, ihp->handle,
+						    value & ~SENSE_VALID_FLAG);
 	}
 
 	return 0;
diff --git a/trunk/drivers/staging/msm/msm_fb.c b/trunk/drivers/staging/msm/msm_fb.c
index 23fa049b51f2..a2f29d464051 100644
--- a/trunk/drivers/staging/msm/msm_fb.c
+++ b/trunk/drivers/staging/msm/msm_fb.c
@@ -347,7 +347,7 @@ static int msm_fb_suspend(struct platform_device *pdev, pm_message_t state)
 	if ((!mfd) || (mfd->key != MFD_KEY))
 		return 0;
 
-	acquire_console_sem();
+	console_lock();
 	fb_set_suspend(mfd->fbi, 1);
 
 	ret = msm_fb_suspend_sub(mfd);
@@ -358,7 +358,7 @@ static int msm_fb_suspend(struct platform_device *pdev, pm_message_t state)
 		pdev->dev.power.power_state = state;
 	}
 
-	release_console_sem();
+	console_unlock();
 	return ret;
 }
 #else
@@ -431,11 +431,11 @@ static int msm_fb_resume(struct platform_device *pdev)
 	if ((!mfd) || (mfd->key != MFD_KEY))
 		return 0;
 
-	acquire_console_sem();
+	console_lock();
 	ret = msm_fb_resume_sub(mfd);
 	pdev->dev.power.power_state = PMSG_ON;
 	fb_set_suspend(mfd->fbi, 1);
-	release_console_sem();
+	console_unlock();
 
 	return ret;
 }
diff --git a/trunk/drivers/staging/olpc_dcon/olpc_dcon.c b/trunk/drivers/staging/olpc_dcon/olpc_dcon.c
index 9f26dc9408bb..56a283d1a74d 100644
--- a/trunk/drivers/staging/olpc_dcon/olpc_dcon.c
+++ b/trunk/drivers/staging/olpc_dcon/olpc_dcon.c
@@ -373,17 +373,17 @@ static void dcon_source_switch(struct work_struct *work)
 		 *
 		 * For now, we just hope..
 		 */
-		acquire_console_sem();
+		console_lock();
 		ignore_fb_events = 1;
 		if (fb_blank(fbinfo, FB_BLANK_UNBLANK)) {
 			ignore_fb_events = 0;
-			release_console_sem();
+			console_unlock();
 			printk(KERN_ERR "olpc-dcon:  Failed to enter CPU mode\n");
 			dcon_pending = DCON_SOURCE_DCON;
 			return;
 		}
 		ignore_fb_events = 0;
-		release_console_sem();
+		console_unlock();
 
 		/* And turn off the DCON */
 		pdata->set_dconload(1);
@@ -435,12 +435,12 @@ static void dcon_source_switch(struct work_struct *work)
 			}
 		}
 
-		acquire_console_sem();
+		console_lock();
 		ignore_fb_events = 1;
 		if (fb_blank(fbinfo, FB_BLANK_POWERDOWN))
 			printk(KERN_ERR "olpc-dcon:  couldn't blank fb!\n");
 		ignore_fb_events = 0;
-		release_console_sem();
+		console_unlock();
 
 		printk(KERN_INFO "olpc-dcon: The DCON has control\n");
 		break;
diff --git a/trunk/drivers/staging/sm7xx/smtcfb.c b/trunk/drivers/staging/sm7xx/smtcfb.c
index 0bc113c44d39..d007e4a12c14 100644
--- a/trunk/drivers/staging/sm7xx/smtcfb.c
+++ b/trunk/drivers/staging/sm7xx/smtcfb.c
@@ -1044,9 +1044,9 @@ static int __maybe_unused smtcfb_suspend(struct pci_dev *pdev, pm_message_t msg)
 
 	/* when doing suspend, call fb apis and pci apis */
 	if (msg.event == PM_EVENT_SUSPEND) {
-		acquire_console_sem();
+		console_lock();
 		fb_set_suspend(&sfb->fb, 1);
-		release_console_sem();
+		console_unlock();
 		retv = pci_save_state(pdev);
 		pci_disable_device(pdev);
 		retv = pci_choose_state(pdev, msg);
@@ -1105,9 +1105,9 @@ static int __maybe_unused smtcfb_resume(struct pci_dev *pdev)
 
 	smtcfb_setmode(sfb);
 
-	acquire_console_sem();
+	console_lock();
 	fb_set_suspend(&sfb->fb, 0);
-	release_console_sem();
+	console_unlock();
 
 	return 0;
 }
diff --git a/trunk/drivers/tty/serial/sb1250-duart.c b/trunk/drivers/tty/serial/sb1250-duart.c
index a2f2b3254499..602d9845c52f 100644
--- a/trunk/drivers/tty/serial/sb1250-duart.c
+++ b/trunk/drivers/tty/serial/sb1250-duart.c
@@ -829,7 +829,7 @@ static void __init sbd_probe_duarts(void)
 #ifdef CONFIG_SERIAL_SB1250_DUART_CONSOLE
 /*
  * Serial console stuff.  Very basic, polling driver for doing serial
- * console output.  The console_sem is held by the caller, so we
+ * console output.  The console_lock is held by the caller, so we
  * shouldn't be interrupted for more console activity.
  */
 static void sbd_console_putchar(struct uart_port *uport, int ch)
diff --git a/trunk/drivers/tty/sysrq.c b/trunk/drivers/tty/sysrq.c
index c556ed9db13d..8e0dd254eb11 100644
--- a/trunk/drivers/tty/sysrq.c
+++ b/trunk/drivers/tty/sysrq.c
@@ -46,7 +46,7 @@
 #include <asm/irq_regs.h>
 
 /* Whether we react on sysrq keys or just ignore them */
-static int __read_mostly sysrq_enabled = 1;
+static int __read_mostly sysrq_enabled = SYSRQ_DEFAULT_ENABLE;
 static bool __read_mostly sysrq_always_enabled;
 
 static bool sysrq_on(void)
diff --git a/trunk/drivers/tty/tty_io.c b/trunk/drivers/tty/tty_io.c
index 464d09d97873..6158eae0f64a 100644
--- a/trunk/drivers/tty/tty_io.c
+++ b/trunk/drivers/tty/tty_io.c
@@ -3256,7 +3256,7 @@ static ssize_t show_cons_active(struct device *dev,
 	struct console *c;
 	ssize_t count = 0;
 
-	acquire_console_sem();
+	console_lock();
 	for (c = console_drivers; c; c = c->next) {
 		if (!c->device)
 			continue;
@@ -3271,7 +3271,7 @@ static ssize_t show_cons_active(struct device *dev,
 	while (i--)
 		count += sprintf(buf + count, "%s%d%c",
 				 cs[i]->name, cs[i]->index, i ? ' ':'\n');
-	release_console_sem();
+	console_unlock();
 
 	return count;
 }
diff --git a/trunk/drivers/tty/vt/selection.c b/trunk/drivers/tty/vt/selection.c
index ebae344ce910..c956ed6c83a3 100644
--- a/trunk/drivers/tty/vt/selection.c
+++ b/trunk/drivers/tty/vt/selection.c
@@ -316,9 +316,9 @@ int paste_selection(struct tty_struct *tty)
 	/* always called with BTM from vt_ioctl */
 	WARN_ON(!tty_locked());
 
-	acquire_console_sem();
+	console_lock();
 	poke_blanked_console();
-	release_console_sem();
+	console_unlock();
 
 	ld = tty_ldisc_ref(tty);
 	if (!ld) {
diff --git a/trunk/drivers/tty/vt/vc_screen.c b/trunk/drivers/tty/vt/vc_screen.c
index eab3a1ff99e4..a672ed192d33 100644
--- a/trunk/drivers/tty/vt/vc_screen.c
+++ b/trunk/drivers/tty/vt/vc_screen.c
@@ -202,7 +202,7 @@ vcs_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
 	/* Select the proper current console and verify
 	 * sanity of the situation under the console lock.
 	 */
-	acquire_console_sem();
+	console_lock();
 
 	attr = (currcons & 128);
 	currcons = (currcons & 127);
@@ -336,9 +336,9 @@ vcs_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
 		 * the pagefault handling code may want to call printk().
 		 */
 
-		release_console_sem();
+		console_unlock();
 		ret = copy_to_user(buf, con_buf_start, orig_count);
-		acquire_console_sem();
+		console_lock();
 
 		if (ret) {
 			read += (orig_count - ret);
@@ -354,7 +354,7 @@ vcs_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
 	if (read)
 		ret = read;
 unlock_out:
-	release_console_sem();
+	console_unlock();
 	mutex_unlock(&con_buf_mtx);
 	return ret;
 }
@@ -379,7 +379,7 @@ vcs_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
 	/* Select the proper current console and verify
 	 * sanity of the situation under the console lock.
 	 */
-	acquire_console_sem();
+	console_lock();
 
 	attr = (currcons & 128);
 	currcons = (currcons & 127);
@@ -414,9 +414,9 @@ vcs_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
 		/* Temporarily drop the console lock so that we can read
 		 * in the write data from userspace safely.
 		 */
-		release_console_sem();
+		console_unlock();
 		ret = copy_from_user(con_buf, buf, this_round);
-		acquire_console_sem();
+		console_lock();
 
 		if (ret) {
 			this_round -= ret;
@@ -542,7 +542,7 @@ vcs_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
 		vcs_scr_updated(vc);
 
 unlock_out:
-	release_console_sem();
+	console_unlock();
 
 	mutex_unlock(&con_buf_mtx);
 
diff --git a/trunk/drivers/tty/vt/vt.c b/trunk/drivers/tty/vt/vt.c
index 76407eca9ab0..b230bd3f056f 100644
--- a/trunk/drivers/tty/vt/vt.c
+++ b/trunk/drivers/tty/vt/vt.c
@@ -1003,9 +1003,9 @@ static int vt_resize(struct tty_struct *tty, struct winsize *ws)
 	struct vc_data *vc = tty->driver_data;
 	int ret;
 
-	acquire_console_sem();
+	console_lock();
 	ret = vc_do_resize(tty, vc, ws->ws_col, ws->ws_row);
-	release_console_sem();
+	console_unlock();
 	return ret;
 }
 
@@ -1271,7 +1271,7 @@ static void default_attr(struct vc_data *vc)
 	vc->vc_color = vc->vc_def_color;
 }
 
-/* console_sem is held */
+/* console_lock is held */
 static void csi_m(struct vc_data *vc)
 {
 	int i;
@@ -1415,7 +1415,7 @@ int mouse_reporting(void)
 	return vc_cons[fg_console].d->vc_report_mouse;
 }
 
-/* console_sem is held */
+/* console_lock is held */
 static void set_mode(struct vc_data *vc, int on_off)
 {
 	int i;
@@ -1485,7 +1485,7 @@ static void set_mode(struct vc_data *vc, int on_off)
 		}
 }
 
-/* console_sem is held */
+/* console_lock is held */
 static void setterm_command(struct vc_data *vc)
 {
 	switch(vc->vc_par[0]) {
@@ -1545,7 +1545,7 @@ static void setterm_command(struct vc_data *vc)
 	}
 }
 
-/* console_sem is held */
+/* console_lock is held */
 static void csi_at(struct vc_data *vc, unsigned int nr)
 {
 	if (nr > vc->vc_cols - vc->vc_x)
@@ -1555,7 +1555,7 @@ static void csi_at(struct vc_data *vc, unsigned int nr)
 	insert_char(vc, nr);
 }
 
-/* console_sem is held */
+/* console_lock is held */
 static void csi_L(struct vc_data *vc, unsigned int nr)
 {
 	if (nr > vc->vc_rows - vc->vc_y)
@@ -1566,7 +1566,7 @@ static void csi_L(struct vc_data *vc, unsigned int nr)
 	vc->vc_need_wrap = 0;
 }
 
-/* console_sem is held */
+/* console_lock is held */
 static void csi_P(struct vc_data *vc, unsigned int nr)
 {
 	if (nr > vc->vc_cols - vc->vc_x)
@@ -1576,7 +1576,7 @@ static void csi_P(struct vc_data *vc, unsigned int nr)
 	delete_char(vc, nr);
 }
 
-/* console_sem is held */
+/* console_lock is held */
 static void csi_M(struct vc_data *vc, unsigned int nr)
 {
 	if (nr > vc->vc_rows - vc->vc_y)
@@ -1587,7 +1587,7 @@ static void csi_M(struct vc_data *vc, unsigned int nr)
 	vc->vc_need_wrap = 0;
 }
 
-/* console_sem is held (except via vc_init->reset_terminal */
+/* console_lock is held (except via vc_init->reset_terminal */
 static void save_cur(struct vc_data *vc)
 {
 	vc->vc_saved_x		= vc->vc_x;
@@ -1603,7 +1603,7 @@ static void save_cur(struct vc_data *vc)
 	vc->vc_saved_G1		= vc->vc_G1_charset;
 }
 
-/* console_sem is held */
+/* console_lock is held */
 static void restore_cur(struct vc_data *vc)
 {
 	gotoxy(vc, vc->vc_saved_x, vc->vc_saved_y);
@@ -1625,7 +1625,7 @@ enum { ESnormal, ESesc, ESsquare, ESgetpars, ESgotpars, ESfunckey,
 	EShash, ESsetG0, ESsetG1, ESpercent, ESignore, ESnonstd,
 	ESpalette };
 
-/* console_sem is held (except via vc_init()) */
+/* console_lock is held (except via vc_init()) */
 static void reset_terminal(struct vc_data *vc, int do_clear)
 {
 	vc->vc_top		= 0;
@@ -1685,7 +1685,7 @@ static void reset_terminal(struct vc_data *vc, int do_clear)
 	    csi_J(vc, 2);
 }
 
-/* console_sem is held */
+/* console_lock is held */
 static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
 {
 	/*
@@ -2119,7 +2119,7 @@ static int is_double_width(uint32_t ucs)
 	return bisearch(ucs, double_width, ARRAY_SIZE(double_width) - 1);
 }
 
-/* acquires console_sem */
+/* acquires console_lock */
 static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int count)
 {
 #ifdef VT_BUF_VRAM_ONLY
@@ -2147,11 +2147,11 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co
 
 	might_sleep();
 
-	acquire_console_sem();
+	console_lock();
 	vc = tty->driver_data;
 	if (vc == NULL) {
 		printk(KERN_ERR "vt: argh, driver_data is NULL !\n");
-		release_console_sem();
+		console_unlock();
 		return 0;
 	}
 
@@ -2159,7 +2159,7 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co
 	if (!vc_cons_allocated(currcons)) {
 	    /* could this happen? */
 		printk_once("con_write: tty %d not allocated\n", currcons+1);
-	    release_console_sem();
+	    console_unlock();
 	    return 0;
 	}
 
@@ -2375,7 +2375,7 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co
 	}
 	FLUSH
 	console_conditional_schedule();
-	release_console_sem();
+	console_unlock();
 	notify_update(vc);
 	return n;
 #undef FLUSH
@@ -2388,11 +2388,11 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co
  * us to do the switches asynchronously (needed when we want
  * to switch due to a keyboard interrupt).  Synchronization
  * with other console code and prevention of re-entrancy is
- * ensured with console_sem.
+ * ensured with console_lock.
  */
 static void console_callback(struct work_struct *ignored)
 {
-	acquire_console_sem();
+	console_lock();
 
 	if (want_console >= 0) {
 		if (want_console != fg_console &&
@@ -2422,7 +2422,7 @@ static void console_callback(struct work_struct *ignored)
 	}
 	notify_update(vc_cons[fg_console].d);
 
-	release_console_sem();
+	console_unlock();
 }
 
 int set_console(int nr)
@@ -2603,7 +2603,7 @@ static struct console vt_console_driver = {
  */
 
 /*
- * Generally a bit racy with respect to console_sem().
+ * Generally a bit racy with respect to console_lock();.
  *
  * There are some functions which don't need it.
  *
@@ -2629,17 +2629,17 @@ int tioclinux(struct tty_struct *tty, unsigned long arg)
 	switch (type)
 	{
 		case TIOCL_SETSEL:
-			acquire_console_sem();
+			console_lock();
 			ret = set_selection((struct tiocl_selection __user *)(p+1), tty);
-			release_console_sem();
+			console_unlock();
 			break;
 		case TIOCL_PASTESEL:
 			ret = paste_selection(tty);
 			break;
 		case TIOCL_UNBLANKSCREEN:
-			acquire_console_sem();
+			console_lock();
 			unblank_screen();
-			release_console_sem();
+			console_unlock();
 			break;
 		case TIOCL_SELLOADLUT:
 			ret = sel_loadlut(p);
@@ -2688,10 +2688,10 @@ int tioclinux(struct tty_struct *tty, unsigned long arg)
 			}
 			break;
 		case TIOCL_BLANKSCREEN:	/* until explicitly unblanked, not only poked */
-			acquire_console_sem();
+			console_lock();
 			ignore_poke = 1;
 			do_blank_screen(0);
-			release_console_sem();
+			console_unlock();
 			break;
 		case TIOCL_BLANKEDSCREEN:
 			ret = console_blanked;
@@ -2790,11 +2790,11 @@ static void con_flush_chars(struct tty_struct *tty)
 		return;
 
 	/* if we race with con_close(), vt may be null */
-	acquire_console_sem();
+	console_lock();
 	vc = tty->driver_data;
 	if (vc)
 		set_cursor(vc);
-	release_console_sem();
+	console_unlock();
 }
 
 /*
@@ -2805,7 +2805,7 @@ static int con_open(struct tty_struct *tty, struct file *filp)
 	unsigned int currcons = tty->index;
 	int ret = 0;
 
-	acquire_console_sem();
+	console_lock();
 	if (tty->driver_data == NULL) {
 		ret = vc_allocate(currcons);
 		if (ret == 0) {
@@ -2813,7 +2813,7 @@ static int con_open(struct tty_struct *tty, struct file *filp)
 
 			/* Still being freed */
 			if (vc->port.tty) {
-				release_console_sem();
+				console_unlock();
 				return -ERESTARTSYS;
 			}
 			tty->driver_data = vc;
@@ -2827,11 +2827,11 @@ static int con_open(struct tty_struct *tty, struct file *filp)
 				tty->termios->c_iflag |= IUTF8;
 			else
 				tty->termios->c_iflag &= ~IUTF8;
-			release_console_sem();
+			console_unlock();
 			return ret;
 		}
 	}
-	release_console_sem();
+	console_unlock();
 	return ret;
 }
 
@@ -2844,9 +2844,9 @@ static void con_shutdown(struct tty_struct *tty)
 {
 	struct vc_data *vc = tty->driver_data;
 	BUG_ON(vc == NULL);
-	acquire_console_sem();
+	console_lock();
 	vc->port.tty = NULL;
-	release_console_sem();
+	console_unlock();
 	tty_shutdown(tty);
 }
 
@@ -2893,13 +2893,13 @@ static int __init con_init(void)
 	struct vc_data *vc;
 	unsigned int currcons = 0, i;
 
-	acquire_console_sem();
+	console_lock();
 
 	if (conswitchp)
 		display_desc = conswitchp->con_startup();
 	if (!display_desc) {
 		fg_console = 0;
-		release_console_sem();
+		console_unlock();
 		return 0;
 	}
 
@@ -2946,7 +2946,7 @@ static int __init con_init(void)
 	printable = 1;
 	printk("\n");
 
-	release_console_sem();
+	console_unlock();
 
 #ifdef CONFIG_VT_CONSOLE
 	register_console(&vt_console_driver);
@@ -3037,7 +3037,7 @@ static int bind_con_driver(const struct consw *csw, int first, int last,
 	if (!try_module_get(owner))
 		return -ENODEV;
 
-	acquire_console_sem();
+	console_lock();
 
 	/* check if driver is registered */
 	for (i = 0; i < MAX_NR_CON_DRIVER; i++) {
@@ -3122,7 +3122,7 @@ static int bind_con_driver(const struct consw *csw, int first, int last,
 
 	retval = 0;
 err:
-	release_console_sem();
+	console_unlock();
 	module_put(owner);
 	return retval;
 };
@@ -3171,7 +3171,7 @@ int unbind_con_driver(const struct consw *csw, int first, int last, int deflt)
 	if (!try_module_get(owner))
 		return -ENODEV;
 
-	acquire_console_sem();
+	console_lock();
 
 	/* check if driver is registered and if it is unbindable */
 	for (i = 0; i < MAX_NR_CON_DRIVER; i++) {
@@ -3185,7 +3185,7 @@ int unbind_con_driver(const struct consw *csw, int first, int last, int deflt)
 	}
 
 	if (retval) {
-		release_console_sem();
+		console_unlock();
 		goto err;
 	}
 
@@ -3204,12 +3204,12 @@ int unbind_con_driver(const struct consw *csw, int first, int last, int deflt)
 	}
 
 	if (retval) {
-		release_console_sem();
+		console_unlock();
 		goto err;
 	}
 
 	if (!con_is_bound(csw)) {
-		release_console_sem();
+		console_unlock();
 		goto err;
 	}
 
@@ -3238,7 +3238,7 @@ int unbind_con_driver(const struct consw *csw, int first, int last, int deflt)
 	if (!con_is_bound(csw))
 		con_driver->flag &= ~CON_DRIVER_FLAG_INIT;
 
-	release_console_sem();
+	console_unlock();
 	/* ignore return value, binding should not fail */
 	bind_con_driver(defcsw, first, last, deflt);
 err:
@@ -3538,7 +3538,7 @@ int register_con_driver(const struct consw *csw, int first, int last)
 	if (!try_module_get(owner))
 		return -ENODEV;
 
-	acquire_console_sem();
+	console_lock();
 
 	for (i = 0; i < MAX_NR_CON_DRIVER; i++) {
 		con_driver = &registered_con_driver[i];
@@ -3592,7 +3592,7 @@ int register_con_driver(const struct consw *csw, int first, int last)
 	}
 
 err:
-	release_console_sem();
+	console_unlock();
 	module_put(owner);
 	return retval;
 }
@@ -3613,7 +3613,7 @@ int unregister_con_driver(const struct consw *csw)
 {
 	int i, retval = -ENODEV;
 
-	acquire_console_sem();
+	console_lock();
 
 	/* cannot unregister a bound driver */
 	if (con_is_bound(csw))
@@ -3639,7 +3639,7 @@ int unregister_con_driver(const struct consw *csw)
 		}
 	}
 err:
-	release_console_sem();
+	console_unlock();
 	return retval;
 }
 EXPORT_SYMBOL(unregister_con_driver);
@@ -3934,9 +3934,9 @@ int con_set_cmap(unsigned char __user *arg)
 {
 	int rc;
 
-	acquire_console_sem();
+	console_lock();
 	rc = set_get_cmap (arg,1);
-	release_console_sem();
+	console_unlock();
 
 	return rc;
 }
@@ -3945,9 +3945,9 @@ int con_get_cmap(unsigned char __user *arg)
 {
 	int rc;
 
-	acquire_console_sem();
+	console_lock();
 	rc = set_get_cmap (arg,0);
-	release_console_sem();
+	console_unlock();
 
 	return rc;
 }
@@ -3994,12 +3994,12 @@ static int con_font_get(struct vc_data *vc, struct console_font_op *op)
 	} else
 		font.data = NULL;
 
-	acquire_console_sem();
+	console_lock();
 	if (vc->vc_sw->con_font_get)
 		rc = vc->vc_sw->con_font_get(vc, &font);
 	else
 		rc = -ENOSYS;
-	release_console_sem();
+	console_unlock();
 
 	if (rc)
 		goto out;
@@ -4076,12 +4076,12 @@ static int con_font_set(struct vc_data *vc, struct console_font_op *op)
 	font.data = memdup_user(op->data, size);
 	if (IS_ERR(font.data))
 		return PTR_ERR(font.data);
-	acquire_console_sem();
+	console_lock();
 	if (vc->vc_sw->con_font_set)
 		rc = vc->vc_sw->con_font_set(vc, &font, op->flags);
 	else
 		rc = -ENOSYS;
-	release_console_sem();
+	console_unlock();
 	kfree(font.data);
 	return rc;
 }
@@ -4103,12 +4103,12 @@ static int con_font_default(struct vc_data *vc, struct console_font_op *op)
 	else
 		name[MAX_FONT_NAME - 1] = 0;
 
-	acquire_console_sem();
+	console_lock();
 	if (vc->vc_sw->con_font_default)
 		rc = vc->vc_sw->con_font_default(vc, &font, s);
 	else
 		rc = -ENOSYS;
-	release_console_sem();
+	console_unlock();
 	if (!rc) {
 		op->width = font.width;
 		op->height = font.height;
@@ -4124,7 +4124,7 @@ static int con_font_copy(struct vc_data *vc, struct console_font_op *op)
 	if (vc->vc_mode != KD_TEXT)
 		return -EINVAL;
 
-	acquire_console_sem();
+	console_lock();
 	if (!vc->vc_sw->con_font_copy)
 		rc = -ENOSYS;
 	else if (con < 0 || !vc_cons_allocated(con))
@@ -4133,7 +4133,7 @@ static int con_font_copy(struct vc_data *vc, struct console_font_op *op)
 		rc = 0;
 	else
 		rc = vc->vc_sw->con_font_copy(vc, con);
-	release_console_sem();
+	console_unlock();
 	return rc;
 }
 
diff --git a/trunk/drivers/tty/vt/vt_ioctl.c b/trunk/drivers/tty/vt/vt_ioctl.c
index 6b68a0fb4611..1235ebda6e1c 100644
--- a/trunk/drivers/tty/vt/vt_ioctl.c
+++ b/trunk/drivers/tty/vt/vt_ioctl.c
@@ -649,12 +649,12 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
 		/*
 		 * explicitly blank/unblank the screen if switching modes
 		 */
-		acquire_console_sem();
+		console_lock();
 		if (arg == KD_TEXT)
 			do_unblank_screen(1);
 		else
 			do_blank_screen(1);
-		release_console_sem();
+		console_unlock();
 		break;
 
 	case KDGETMODE:
@@ -893,7 +893,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
 			ret = -EINVAL;
 			goto out;
 		}
-		acquire_console_sem();
+		console_lock();
 		vc->vt_mode = tmp;
 		/* the frsig is ignored, so we set it to 0 */
 		vc->vt_mode.frsig = 0;
@@ -901,7 +901,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
 		vc->vt_pid = get_pid(task_pid(current));
 		/* no switch is required -- saw@shade.msu.ru */
 		vc->vt_newvt = -1;
-		release_console_sem();
+		console_unlock();
 		break;
 	}
 
@@ -910,9 +910,9 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
 		struct vt_mode tmp;
 		int rc;
 
-		acquire_console_sem();
+		console_lock();
 		memcpy(&tmp, &vc->vt_mode, sizeof(struct vt_mode));
-		release_console_sem();
+		console_unlock();
 
 		rc = copy_to_user(up, &tmp, sizeof(struct vt_mode));
 		if (rc)
@@ -965,9 +965,9 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
 			ret =  -ENXIO;
 		else {
 			arg--;
-			acquire_console_sem();
+			console_lock();
 			ret = vc_allocate(arg);
-			release_console_sem();
+			console_unlock();
 			if (ret)
 				break;
 			set_console(arg);
@@ -990,7 +990,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
 			ret = -ENXIO;
 		else {
 			vsa.console--;
-			acquire_console_sem();
+			console_lock();
 			ret = vc_allocate(vsa.console);
 			if (ret == 0) {
 				struct vc_data *nvc;
@@ -1003,7 +1003,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
 				put_pid(nvc->vt_pid);
 				nvc->vt_pid = get_pid(task_pid(current));
 			}
-			release_console_sem();
+			console_unlock();
 			if (ret)
 				break;
 			/* Commence switch and lock */
@@ -1044,7 +1044,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
 		/*
 		 * Switching-from response
 		 */
-		acquire_console_sem();
+		console_lock();
 		if (vc->vt_newvt >= 0) {
 			if (arg == 0)
 				/*
@@ -1063,7 +1063,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
 				vc->vt_newvt = -1;
 				ret = vc_allocate(newvt);
 				if (ret) {
-					release_console_sem();
+					console_unlock();
 					break;
 				}
 				/*
@@ -1083,7 +1083,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
 			if (arg != VT_ACKACQ)
 				ret = -EINVAL;
 		}
-		release_console_sem();
+		console_unlock();
 		break;
 
 	 /*
@@ -1096,20 +1096,20 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
 		}
 		if (arg == 0) {
 		    /* deallocate all unused consoles, but leave 0 */
-			acquire_console_sem();
+			console_lock();
 			for (i=1; i<MAX_NR_CONSOLES; i++)
 				if (! VT_BUSY(i))
 					vc_deallocate(i);
-			release_console_sem();
+			console_unlock();
 		} else {
 			/* deallocate a single console, if possible */
 			arg--;
 			if (VT_BUSY(arg))
 				ret = -EBUSY;
 			else if (arg) {			      /* leave 0 */
-				acquire_console_sem();
+				console_lock();
 				vc_deallocate(arg);
-				release_console_sem();
+				console_unlock();
 			}
 		}
 		break;
@@ -1126,7 +1126,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
 		    get_user(cc, &vtsizes->v_cols))
 			ret = -EFAULT;
 		else {
-			acquire_console_sem();
+			console_lock();
 			for (i = 0; i < MAX_NR_CONSOLES; i++) {
 				vc = vc_cons[i].d;
 
@@ -1135,7 +1135,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
 					vc_resize(vc_cons[i].d, cc, ll);
 				}
 			}
-			release_console_sem();
+			console_unlock();
 		}
 		break;
 	}
@@ -1187,14 +1187,14 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
 		for (i = 0; i < MAX_NR_CONSOLES; i++) {
 			if (!vc_cons[i].d)
 				continue;
-			acquire_console_sem();
+			console_lock();
 			if (vlin)
 				vc_cons[i].d->vc_scan_lines = vlin;
 			if (clin)
 				vc_cons[i].d->vc_font.height = clin;
 			vc_cons[i].d->vc_resize_user = 1;
 			vc_resize(vc_cons[i].d, cc, ll);
-			release_console_sem();
+			console_unlock();
 		}
 		break;
 	}
@@ -1367,7 +1367,7 @@ void vc_SAK(struct work_struct *work)
 	struct vc_data *vc;
 	struct tty_struct *tty;
 
-	acquire_console_sem();
+	console_lock();
 	vc = vc_con->d;
 	if (vc) {
 		tty = vc->port.tty;
@@ -1379,7 +1379,7 @@ void vc_SAK(struct work_struct *work)
 			__do_SAK(tty);
 		reset_vc(vc);
 	}
-	release_console_sem();
+	console_unlock();
 }
 
 #ifdef CONFIG_COMPAT
@@ -1737,10 +1737,10 @@ int vt_move_to_console(unsigned int vt, int alloc)
 {
 	int prev;
 
-	acquire_console_sem();
+	console_lock();
 	/* Graphics mode - up to X */
 	if (disable_vt_switch) {
-		release_console_sem();
+		console_unlock();
 		return 0;
 	}
 	prev = fg_console;
@@ -1748,7 +1748,7 @@ int vt_move_to_console(unsigned int vt, int alloc)
 	if (alloc && vc_allocate(vt)) {
 		/* we can't have a free VC for now. Too bad,
 		 * we don't want to mess the screen for now. */
-		release_console_sem();
+		console_unlock();
 		return -ENOSPC;
 	}
 
@@ -1758,10 +1758,10 @@ int vt_move_to_console(unsigned int vt, int alloc)
 		 * Let the calling function know so it can decide
 		 * what to do.
 		 */
-		release_console_sem();
+		console_unlock();
 		return -EIO;
 	}
-	release_console_sem();
+	console_unlock();
 	tty_lock();
 	if (vt_waitactive(vt + 1)) {
 		pr_debug("Suspend: Can't switch VCs.");
@@ -1781,8 +1781,8 @@ int vt_move_to_console(unsigned int vt, int alloc)
  */
 void pm_set_vt_switch(int do_switch)
 {
-	acquire_console_sem();
+	console_lock();
 	disable_vt_switch = !do_switch;
-	release_console_sem();
+	console_unlock();
 }
 EXPORT_SYMBOL(pm_set_vt_switch);
diff --git a/trunk/drivers/video/arkfb.c b/trunk/drivers/video/arkfb.c
index d583bea608fd..391ac939f011 100644
--- a/trunk/drivers/video/arkfb.c
+++ b/trunk/drivers/video/arkfb.c
@@ -23,7 +23,7 @@
 #include <linux/svga.h>
 #include <linux/init.h>
 #include <linux/pci.h>
-#include <linux/console.h> /* Why should fb driver call console functions? because acquire_console_sem() */
+#include <linux/console.h> /* Why should fb driver call console functions? because console_lock() */
 #include <video/vga.h>
 
 #ifdef CONFIG_MTRR
@@ -1091,12 +1091,12 @@ static int ark_pci_suspend (struct pci_dev* dev, pm_message_t state)
 
 	dev_info(info->device, "suspend\n");
 
-	acquire_console_sem();
+	console_lock();
 	mutex_lock(&(par->open_lock));
 
 	if ((state.event == PM_EVENT_FREEZE) || (par->ref_count == 0)) {
 		mutex_unlock(&(par->open_lock));
-		release_console_sem();
+		console_unlock();
 		return 0;
 	}
 
@@ -1107,7 +1107,7 @@ static int ark_pci_suspend (struct pci_dev* dev, pm_message_t state)
 	pci_set_power_state(dev, pci_choose_state(dev, state));
 
 	mutex_unlock(&(par->open_lock));
-	release_console_sem();
+	console_unlock();
 
 	return 0;
 }
@@ -1122,7 +1122,7 @@ static int ark_pci_resume (struct pci_dev* dev)
 
 	dev_info(info->device, "resume\n");
 
-	acquire_console_sem();
+	console_lock();
 	mutex_lock(&(par->open_lock));
 
 	if (par->ref_count == 0)
@@ -1141,7 +1141,7 @@ static int ark_pci_resume (struct pci_dev* dev)
 
 fail:
 	mutex_unlock(&(par->open_lock));
-	release_console_sem();
+	console_unlock();
 	return 0;
 }
 #else
diff --git a/trunk/drivers/video/aty/aty128fb.c b/trunk/drivers/video/aty/aty128fb.c
index dd9de2e80580..4cb6a576c567 100644
--- a/trunk/drivers/video/aty/aty128fb.c
+++ b/trunk/drivers/video/aty/aty128fb.c
@@ -1860,11 +1860,11 @@ static void aty128_early_resume(void *data)
 {
         struct aty128fb_par *par = data;
 
-	if (try_acquire_console_sem())
+	if (!console_trylock())
 		return;
 	pci_restore_state(par->pdev);
 	aty128_do_resume(par->pdev);
-	release_console_sem();
+	console_unlock();
 }
 #endif /* CONFIG_PPC_PMAC */
 
@@ -2438,7 +2438,7 @@ static int aty128_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 
 	printk(KERN_DEBUG "aty128fb: suspending...\n");
 	
-	acquire_console_sem();
+	console_lock();
 
 	fb_set_suspend(info, 1);
 
@@ -2470,7 +2470,7 @@ static int aty128_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 	if (state.event != PM_EVENT_ON)
 		aty128_set_suspend(par, 1);
 
-	release_console_sem();
+	console_unlock();
 
 	pdev->dev.power.power_state = state;
 
@@ -2527,9 +2527,9 @@ static int aty128_pci_resume(struct pci_dev *pdev)
 {
 	int rc;
 
-	acquire_console_sem();
+	console_lock();
 	rc = aty128_do_resume(pdev);
-	release_console_sem();
+	console_unlock();
 
 	return rc;
 }
diff --git a/trunk/drivers/video/aty/atyfb_base.c b/trunk/drivers/video/aty/atyfb_base.c
index 767ab4fb1a05..94e293fce1d2 100644
--- a/trunk/drivers/video/aty/atyfb_base.c
+++ b/trunk/drivers/video/aty/atyfb_base.c
@@ -2069,7 +2069,7 @@ static int atyfb_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 	if (state.event == pdev->dev.power.power_state.event)
 		return 0;
 
-	acquire_console_sem();
+	console_lock();
 
 	fb_set_suspend(info, 1);
 
@@ -2097,14 +2097,14 @@ static int atyfb_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 		par->lock_blank = 0;
 		atyfb_blank(FB_BLANK_UNBLANK, info);
 		fb_set_suspend(info, 0);
-		release_console_sem();
+		console_unlock();
 		return -EIO;
 	}
 #else
 	pci_set_power_state(pdev, pci_choose_state(pdev, state));
 #endif
 
-	release_console_sem();
+	console_unlock();
 
 	pdev->dev.power.power_state = state;
 
@@ -2133,7 +2133,7 @@ static int atyfb_pci_resume(struct pci_dev *pdev)
 	if (pdev->dev.power.power_state.event == PM_EVENT_ON)
 		return 0;
 
-	acquire_console_sem();
+	console_lock();
 
 	/*
 	 * PCI state will have been restored by the core, so
@@ -2161,7 +2161,7 @@ static int atyfb_pci_resume(struct pci_dev *pdev)
 	par->lock_blank = 0;
 	atyfb_blank(FB_BLANK_UNBLANK, info);
 
-	release_console_sem();
+	console_unlock();
 
 	pdev->dev.power.power_state = PMSG_ON;
 
diff --git a/trunk/drivers/video/aty/radeon_pm.c b/trunk/drivers/video/aty/radeon_pm.c
index c4e17642d9c5..92bda5848516 100644
--- a/trunk/drivers/video/aty/radeon_pm.c
+++ b/trunk/drivers/video/aty/radeon_pm.c
@@ -2626,7 +2626,7 @@ int radeonfb_pci_suspend(struct pci_dev *pdev, pm_message_t mesg)
 		goto done;
 	}
 
-	acquire_console_sem();
+	console_lock();
 
 	fb_set_suspend(info, 1);
 
@@ -2690,7 +2690,7 @@ int radeonfb_pci_suspend(struct pci_dev *pdev, pm_message_t mesg)
 	if (rinfo->pm_mode & radeon_pm_d2)
 		radeon_set_suspend(rinfo, 1);
 
-	release_console_sem();
+	console_unlock();
 
  done:
 	pdev->dev.power.power_state = mesg;
@@ -2715,10 +2715,10 @@ int radeonfb_pci_resume(struct pci_dev *pdev)
 		return 0;
 
 	if (rinfo->no_schedule) {
-		if (try_acquire_console_sem())
+		if (!console_trylock())
 			return 0;
 	} else
-		acquire_console_sem();
+		console_lock();
 
 	printk(KERN_DEBUG "radeonfb (%s): resuming from state: %d...\n",
 	       pci_name(pdev), pdev->dev.power.power_state.event);
@@ -2783,7 +2783,7 @@ int radeonfb_pci_resume(struct pci_dev *pdev)
 	pdev->dev.power.power_state = PMSG_ON;
 
  bail:
-	release_console_sem();
+	console_unlock();
 
 	return rc;
 }
diff --git a/trunk/drivers/video/bf537-lq035.c b/trunk/drivers/video/bf537-lq035.c
index 18c507874ff1..47c21fb2c82f 100644
--- a/trunk/drivers/video/bf537-lq035.c
+++ b/trunk/drivers/video/bf537-lq035.c
@@ -696,6 +696,7 @@ static int __devinit bfin_lq035_probe(struct platform_device *pdev)
 {
 	struct backlight_properties props;
 	dma_addr_t dma_handle;
+	int ret;
 
 	if (request_dma(CH_PPI, KBUILD_MODNAME)) {
 		pr_err("couldn't request PPI DMA\n");
@@ -704,17 +705,16 @@ static int __devinit bfin_lq035_probe(struct platform_device *pdev)
 
 	if (request_ports()) {
 		pr_err("couldn't request gpio port\n");
-		free_dma(CH_PPI);
-		return -EFAULT;
+		ret = -EFAULT;
+		goto out_ports;
 	}
 
 	fb_buffer = dma_alloc_coherent(NULL, TOTAL_VIDEO_MEM_SIZE,
 				       &dma_handle, GFP_KERNEL);
 	if (fb_buffer == NULL) {
 		pr_err("couldn't allocate dma buffer\n");
-		free_dma(CH_PPI);
-		free_ports();
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto out_dma_coherent;
 	}
 
 	if (L1_DATA_A_LENGTH)
@@ -725,10 +725,8 @@ static int __devinit bfin_lq035_probe(struct platform_device *pdev)
 
 	if (dma_desc_table == NULL) {
 		pr_err("couldn't allocate dma descriptor\n");
-		free_dma(CH_PPI);
-		free_ports();
-		dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto out_table;
 	}
 
 	bfin_lq035_fb.screen_base = (void *)fb_buffer;
@@ -771,31 +769,21 @@ static int __devinit bfin_lq035_probe(struct platform_device *pdev)
 	bfin_lq035_fb.pseudo_palette = kzalloc(sizeof(u32) * 16, GFP_KERNEL);
 	if (bfin_lq035_fb.pseudo_palette == NULL) {
 		pr_err("failed to allocate pseudo_palette\n");
-		free_dma(CH_PPI);
-		free_ports();
-		dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto out_palette;
 	}
 
 	if (fb_alloc_cmap(&bfin_lq035_fb.cmap, NBR_PALETTE, 0) < 0) {
 		pr_err("failed to allocate colormap (%d entries)\n",
 			NBR_PALETTE);
-		free_dma(CH_PPI);
-		free_ports();
-		dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
-		kfree(bfin_lq035_fb.pseudo_palette);
-		return -EFAULT;
+		ret = -EFAULT;
+		goto out_cmap;
 	}
 
 	if (register_framebuffer(&bfin_lq035_fb) < 0) {
 		pr_err("unable to register framebuffer\n");
-		free_dma(CH_PPI);
-		free_ports();
-		dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
-		fb_buffer = NULL;
-		kfree(bfin_lq035_fb.pseudo_palette);
-		fb_dealloc_cmap(&bfin_lq035_fb.cmap);
-		return -EINVAL;
+		ret = -EINVAL;
+		goto out_reg;
 	}
 
 	i2c_add_driver(&ad5280_driver);
@@ -807,11 +795,31 @@ static int __devinit bfin_lq035_probe(struct platform_device *pdev)
 
 	lcd_dev = lcd_device_register(KBUILD_MODNAME, &pdev->dev, NULL,
 				      &bfin_lcd_ops);
+	if (IS_ERR(lcd_dev)) {
+		pr_err("unable to register lcd\n");
+		ret = PTR_ERR(lcd_dev);
+		goto out_lcd;
+	}
 	lcd_dev->props.max_contrast = 255,
 
 	pr_info("initialized");
 
 	return 0;
+out_lcd:
+	unregister_framebuffer(&bfin_lq035_fb);
+out_reg:
+	fb_dealloc_cmap(&bfin_lq035_fb.cmap);
+out_cmap:
+	kfree(bfin_lq035_fb.pseudo_palette);
+out_palette:
+out_table:
+	dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
+	fb_buffer = NULL;
+out_dma_coherent:
+	free_ports();
+out_ports:
+	free_dma(CH_PPI);
+	return ret;
 }
 
 static int __devexit bfin_lq035_remove(struct platform_device *pdev)
diff --git a/trunk/drivers/video/chipsfb.c b/trunk/drivers/video/chipsfb.c
index d637e1f53172..cff742abdc5d 100644
--- a/trunk/drivers/video/chipsfb.c
+++ b/trunk/drivers/video/chipsfb.c
@@ -460,10 +460,10 @@ static int chipsfb_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 	if (!(state.event & PM_EVENT_SLEEP))
 		goto done;
 
-	acquire_console_sem();
+	console_lock();
 	chipsfb_blank(1, p);
 	fb_set_suspend(p, 1);
-	release_console_sem();
+	console_unlock();
  done:
 	pdev->dev.power.power_state = state;
 	return 0;
@@ -473,10 +473,10 @@ static int chipsfb_pci_resume(struct pci_dev *pdev)
 {
         struct fb_info *p = pci_get_drvdata(pdev);
 
-	acquire_console_sem();
+	console_lock();
 	fb_set_suspend(p, 0);
 	chipsfb_blank(0, p);
-	release_console_sem();
+	console_unlock();
 
 	pdev->dev.power.power_state = PMSG_ON;
 	return 0;
diff --git a/trunk/drivers/video/console/fbcon.c b/trunk/drivers/video/console/fbcon.c
index 7ccc967831f0..9c092b8d64e6 100644
--- a/trunk/drivers/video/console/fbcon.c
+++ b/trunk/drivers/video/console/fbcon.c
@@ -375,14 +375,14 @@ static void fb_flashcursor(struct work_struct *work)
 	int c;
 	int mode;
 
-	acquire_console_sem();
+	console_lock();
 	if (ops && ops->currcon != -1)
 		vc = vc_cons[ops->currcon].d;
 
 	if (!vc || !CON_IS_VISIBLE(vc) ||
  	    registered_fb[con2fb_map[vc->vc_num]] != info ||
 	    vc->vc_deccm != 1) {
-		release_console_sem();
+		console_unlock();
 		return;
 	}
 
@@ -392,7 +392,7 @@ static void fb_flashcursor(struct work_struct *work)
 		CM_ERASE : CM_DRAW;
 	ops->cursor(vc, info, mode, softback_lines, get_color(vc, info, c, 1),
 		    get_color(vc, info, c, 0));
-	release_console_sem();
+	console_unlock();
 }
 
 static void cursor_timer_handler(unsigned long dev_addr)
@@ -836,7 +836,7 @@ static int set_con2fb_map(int unit, int newidx, int user)
 
 	found = search_fb_in_map(newidx);
 
-	acquire_console_sem();
+	console_lock();
 	con2fb_map[unit] = newidx;
 	if (!err && !found)
  		err = con2fb_acquire_newinfo(vc, info, unit, oldidx);
@@ -863,7 +863,7 @@ static int set_con2fb_map(int unit, int newidx, int user)
 	if (!search_fb_in_map(info_idx))
 		info_idx = newidx;
 
-	release_console_sem();
+	console_unlock();
  	return err;
 }
 
@@ -3321,7 +3321,7 @@ static ssize_t store_rotate(struct device *device,
 	if (fbcon_has_exited)
 		return count;
 
-	acquire_console_sem();
+	console_lock();
 	idx = con2fb_map[fg_console];
 
 	if (idx == -1 || registered_fb[idx] == NULL)
@@ -3331,7 +3331,7 @@ static ssize_t store_rotate(struct device *device,
 	rotate = simple_strtoul(buf, last, 0);
 	fbcon_rotate(info, rotate);
 err:
-	release_console_sem();
+	console_unlock();
 	return count;
 }
 
@@ -3346,7 +3346,7 @@ static ssize_t store_rotate_all(struct device *device,
 	if (fbcon_has_exited)
 		return count;
 
-	acquire_console_sem();
+	console_lock();
 	idx = con2fb_map[fg_console];
 
 	if (idx == -1 || registered_fb[idx] == NULL)
@@ -3356,7 +3356,7 @@ static ssize_t store_rotate_all(struct device *device,
 	rotate = simple_strtoul(buf, last, 0);
 	fbcon_rotate_all(info, rotate);
 err:
-	release_console_sem();
+	console_unlock();
 	return count;
 }
 
@@ -3369,7 +3369,7 @@ static ssize_t show_rotate(struct device *device,
 	if (fbcon_has_exited)
 		return 0;
 
-	acquire_console_sem();
+	console_lock();
 	idx = con2fb_map[fg_console];
 
 	if (idx == -1 || registered_fb[idx] == NULL)
@@ -3378,7 +3378,7 @@ static ssize_t show_rotate(struct device *device,
 	info = registered_fb[idx];
 	rotate = fbcon_get_rotate(info);
 err:
-	release_console_sem();
+	console_unlock();
 	return snprintf(buf, PAGE_SIZE, "%d\n", rotate);
 }
 
@@ -3392,7 +3392,7 @@ static ssize_t show_cursor_blink(struct device *device,
 	if (fbcon_has_exited)
 		return 0;
 
-	acquire_console_sem();
+	console_lock();
 	idx = con2fb_map[fg_console];
 
 	if (idx == -1 || registered_fb[idx] == NULL)
@@ -3406,7 +3406,7 @@ static ssize_t show_cursor_blink(struct device *device,
 
 	blink = (ops->flags & FBCON_FLAGS_CURSOR_TIMER) ? 1 : 0;
 err:
-	release_console_sem();
+	console_unlock();
 	return snprintf(buf, PAGE_SIZE, "%d\n", blink);
 }
 
@@ -3421,7 +3421,7 @@ static ssize_t store_cursor_blink(struct device *device,
 	if (fbcon_has_exited)
 		return count;
 
-	acquire_console_sem();
+	console_lock();
 	idx = con2fb_map[fg_console];
 
 	if (idx == -1 || registered_fb[idx] == NULL)
@@ -3443,7 +3443,7 @@ static ssize_t store_cursor_blink(struct device *device,
 	}
 
 err:
-	release_console_sem();
+	console_unlock();
 	return count;
 }
 
@@ -3482,7 +3482,7 @@ static void fbcon_start(void)
 	if (num_registered_fb) {
 		int i;
 
-		acquire_console_sem();
+		console_lock();
 
 		for (i = 0; i < FB_MAX; i++) {
 			if (registered_fb[i] != NULL) {
@@ -3491,7 +3491,7 @@ static void fbcon_start(void)
 			}
 		}
 
-		release_console_sem();
+		console_unlock();
 		fbcon_takeover(0);
 	}
 }
@@ -3552,7 +3552,7 @@ static int __init fb_console_init(void)
 {
 	int i;
 
-	acquire_console_sem();
+	console_lock();
 	fb_register_client(&fbcon_event_notifier);
 	fbcon_device = device_create(fb_class, NULL, MKDEV(0, 0), NULL,
 				     "fbcon");
@@ -3568,7 +3568,7 @@ static int __init fb_console_init(void)
 	for (i = 0; i < MAX_NR_CONSOLES; i++)
 		con2fb_map[i] = -1;
 
-	release_console_sem();
+	console_unlock();
 	fbcon_start();
 	return 0;
 }
@@ -3591,12 +3591,12 @@ static void __exit fbcon_deinit_device(void)
 
 static void __exit fb_console_exit(void)
 {
-	acquire_console_sem();
+	console_lock();
 	fb_unregister_client(&fbcon_event_notifier);
 	fbcon_deinit_device();
 	device_destroy(fb_class, MKDEV(0, 0));
 	fbcon_exit();
-	release_console_sem();
+	console_unlock();
 	unregister_con_driver(&fb_con);
 }	
 
diff --git a/trunk/drivers/video/console/vgacon.c b/trunk/drivers/video/console/vgacon.c
index c97491b8b39b..915fd74da7a2 100644
--- a/trunk/drivers/video/console/vgacon.c
+++ b/trunk/drivers/video/console/vgacon.c
@@ -202,11 +202,7 @@ static void vgacon_scrollback_init(int pitch)
 	}
 }
 
-/*
- * Called only duing init so call of alloc_bootmen is ok.
- * Marked __init_refok to silence modpost.
- */
-static void __init_refok vgacon_scrollback_startup(void)
+static void vgacon_scrollback_startup(void)
 {
 	vgacon_scrollback = kcalloc(CONFIG_VGACON_SOFT_SCROLLBACK_SIZE, 1024, GFP_NOWAIT);
 	vgacon_scrollback_init(vga_video_num_columns * 2);
diff --git a/trunk/drivers/video/da8xx-fb.c b/trunk/drivers/video/da8xx-fb.c
index c265aed09e04..8d61ef96eedd 100644
--- a/trunk/drivers/video/da8xx-fb.c
+++ b/trunk/drivers/video/da8xx-fb.c
@@ -1092,9 +1092,10 @@ static int __init fb_probe(struct platform_device *device)
 
 irq_freq:
 #ifdef CONFIG_CPU_FREQ
+	lcd_da8xx_cpufreq_deregister(par);
+#endif
 err_cpu_freq:
 	unregister_framebuffer(da8xx_fb_info);
-#endif
 
 err_dealloc_cmap:
 	fb_dealloc_cmap(&da8xx_fb_info->cmap);
@@ -1130,14 +1131,14 @@ static int fb_suspend(struct platform_device *dev, pm_message_t state)
 	struct fb_info *info = platform_get_drvdata(dev);
 	struct da8xx_fb_par *par = info->par;
 
-	acquire_console_sem();
+	console_lock();
 	if (par->panel_power_ctrl)
 		par->panel_power_ctrl(0);
 
 	fb_set_suspend(info, 1);
 	lcd_disable_raster();
 	clk_disable(par->lcdc_clk);
-	release_console_sem();
+	console_unlock();
 
 	return 0;
 }
@@ -1146,14 +1147,14 @@ static int fb_resume(struct platform_device *dev)
 	struct fb_info *info = platform_get_drvdata(dev);
 	struct da8xx_fb_par *par = info->par;
 
-	acquire_console_sem();
+	console_lock();
 	if (par->panel_power_ctrl)
 		par->panel_power_ctrl(1);
 
 	clk_enable(par->lcdc_clk);
 	lcd_enable_raster();
 	fb_set_suspend(info, 0);
-	release_console_sem();
+	console_unlock();
 
 	return 0;
 }
diff --git a/trunk/drivers/video/fbmem.c b/trunk/drivers/video/fbmem.c
index 4ac1201ad6c2..e2bf95370e40 100644
--- a/trunk/drivers/video/fbmem.c
+++ b/trunk/drivers/video/fbmem.c
@@ -1036,11 +1036,11 @@ static long do_fb_ioctl(struct fb_info *info, unsigned int cmd,
 			return -EFAULT;
 		if (!lock_fb_info(info))
 			return -ENODEV;
-		acquire_console_sem();
+		console_lock();
 		info->flags |= FBINFO_MISC_USEREVENT;
 		ret = fb_set_var(info, &var);
 		info->flags &= ~FBINFO_MISC_USEREVENT;
-		release_console_sem();
+		console_unlock();
 		unlock_fb_info(info);
 		if (!ret && copy_to_user(argp, &var, sizeof(var)))
 			ret = -EFAULT;
@@ -1072,9 +1072,9 @@ static long do_fb_ioctl(struct fb_info *info, unsigned int cmd,
 			return -EFAULT;
 		if (!lock_fb_info(info))
 			return -ENODEV;
-		acquire_console_sem();
+		console_lock();
 		ret = fb_pan_display(info, &var);
-		release_console_sem();
+		console_unlock();
 		unlock_fb_info(info);
 		if (ret == 0 && copy_to_user(argp, &var, sizeof(var)))
 			return -EFAULT;
@@ -1119,11 +1119,11 @@ static long do_fb_ioctl(struct fb_info *info, unsigned int cmd,
 	case FBIOBLANK:
 		if (!lock_fb_info(info))
 			return -ENODEV;
-		acquire_console_sem();
+		console_lock();
 		info->flags |= FBINFO_MISC_USEREVENT;
 		ret = fb_blank(info, arg);
 		info->flags &= ~FBINFO_MISC_USEREVENT;
-		release_console_sem();
+		console_unlock();
 		unlock_fb_info(info);
 		break;
 	default:
diff --git a/trunk/drivers/video/fbsysfs.c b/trunk/drivers/video/fbsysfs.c
index 0a08f1341227..f4a32779168b 100644
--- a/trunk/drivers/video/fbsysfs.c
+++ b/trunk/drivers/video/fbsysfs.c
@@ -90,11 +90,11 @@ static int activate(struct fb_info *fb_info, struct fb_var_screeninfo *var)
 	int err;
 
 	var->activate |= FB_ACTIVATE_FORCE;
-	acquire_console_sem();
+	console_lock();
 	fb_info->flags |= FBINFO_MISC_USEREVENT;
 	err = fb_set_var(fb_info, var);
 	fb_info->flags &= ~FBINFO_MISC_USEREVENT;
-	release_console_sem();
+	console_unlock();
 	if (err)
 		return err;
 	return 0;
@@ -175,7 +175,7 @@ static ssize_t store_modes(struct device *device,
 	if (i * sizeof(struct fb_videomode) != count)
 		return -EINVAL;
 
-	acquire_console_sem();
+	console_lock();
 	list_splice(&fb_info->modelist, &old_list);
 	fb_videomode_to_modelist((const struct fb_videomode *)buf, i,
 				 &fb_info->modelist);
@@ -185,7 +185,7 @@ static ssize_t store_modes(struct device *device,
 	} else
 		fb_destroy_modelist(&old_list);
 
-	release_console_sem();
+	console_unlock();
 
 	return 0;
 }
@@ -301,11 +301,11 @@ static ssize_t store_blank(struct device *device,
 	char *last = NULL;
 	int err;
 
-	acquire_console_sem();
+	console_lock();
 	fb_info->flags |= FBINFO_MISC_USEREVENT;
 	err = fb_blank(fb_info, simple_strtoul(buf, &last, 0));
 	fb_info->flags &= ~FBINFO_MISC_USEREVENT;
-	release_console_sem();
+	console_unlock();
 	if (err < 0)
 		return err;
 	return count;
@@ -364,9 +364,9 @@ static ssize_t store_pan(struct device *device,
 		return -EINVAL;
 	var.yoffset = simple_strtoul(last, &last, 0);
 
-	acquire_console_sem();
+	console_lock();
 	err = fb_pan_display(fb_info, &var);
-	release_console_sem();
+	console_unlock();
 
 	if (err < 0)
 		return err;
@@ -399,9 +399,9 @@ static ssize_t store_fbstate(struct device *device,
 
 	state = simple_strtoul(buf, &last, 0);
 
-	acquire_console_sem();
+	console_lock();
 	fb_set_suspend(fb_info, (int)state);
-	release_console_sem();
+	console_unlock();
 
 	return count;
 }
diff --git a/trunk/drivers/video/geode/gxfb_core.c b/trunk/drivers/video/geode/gxfb_core.c
index 70b1d9d51c96..b4f19db9bb54 100644
--- a/trunk/drivers/video/geode/gxfb_core.c
+++ b/trunk/drivers/video/geode/gxfb_core.c
@@ -344,10 +344,10 @@ static int gxfb_suspend(struct pci_dev *pdev, pm_message_t state)
 	struct fb_info *info = pci_get_drvdata(pdev);
 
 	if (state.event == PM_EVENT_SUSPEND) {
-		acquire_console_sem();
+		console_lock();
 		gx_powerdown(info);
 		fb_set_suspend(info, 1);
-		release_console_sem();
+		console_unlock();
 	}
 
 	/* there's no point in setting PCI states; we emulate PCI, so
@@ -361,7 +361,7 @@ static int gxfb_resume(struct pci_dev *pdev)
 	struct fb_info *info = pci_get_drvdata(pdev);
 	int ret;
 
-	acquire_console_sem();
+	console_lock();
 	ret = gx_powerup(info);
 	if (ret) {
 		printk(KERN_ERR "gxfb:  power up failed!\n");
@@ -369,7 +369,7 @@ static int gxfb_resume(struct pci_dev *pdev)
 	}
 
 	fb_set_suspend(info, 0);
-	release_console_sem();
+	console_unlock();
 	return 0;
 }
 #endif
diff --git a/trunk/drivers/video/geode/lxfb_core.c b/trunk/drivers/video/geode/lxfb_core.c
index 39bdbedf43b4..416851ca8754 100644
--- a/trunk/drivers/video/geode/lxfb_core.c
+++ b/trunk/drivers/video/geode/lxfb_core.c
@@ -465,10 +465,10 @@ static int lxfb_suspend(struct pci_dev *pdev, pm_message_t state)
 	struct fb_info *info = pci_get_drvdata(pdev);
 
 	if (state.event == PM_EVENT_SUSPEND) {
-		acquire_console_sem();
+		console_lock();
 		lx_powerdown(info);
 		fb_set_suspend(info, 1);
-		release_console_sem();
+		console_unlock();
 	}
 
 	/* there's no point in setting PCI states; we emulate PCI, so
@@ -482,7 +482,7 @@ static int lxfb_resume(struct pci_dev *pdev)
 	struct fb_info *info = pci_get_drvdata(pdev);
 	int ret;
 
-	acquire_console_sem();
+	console_lock();
 	ret = lx_powerup(info);
 	if (ret) {
 		printk(KERN_ERR "lxfb:  power up failed!\n");
@@ -490,7 +490,7 @@ static int lxfb_resume(struct pci_dev *pdev)
 	}
 
 	fb_set_suspend(info, 0);
-	release_console_sem();
+	console_unlock();
 	return 0;
 }
 #else
diff --git a/trunk/drivers/video/i810/i810_main.c b/trunk/drivers/video/i810/i810_main.c
index 5743ea25e818..318f6fb895b2 100644
--- a/trunk/drivers/video/i810/i810_main.c
+++ b/trunk/drivers/video/i810/i810_main.c
@@ -1574,7 +1574,7 @@ static int i810fb_suspend(struct pci_dev *dev, pm_message_t mesg)
 		return 0;
 	}
 
-	acquire_console_sem();
+	console_lock();
 	fb_set_suspend(info, 1);
 
 	if (info->fbops->fb_sync)
@@ -1587,7 +1587,7 @@ static int i810fb_suspend(struct pci_dev *dev, pm_message_t mesg)
 	pci_save_state(dev);
 	pci_disable_device(dev);
 	pci_set_power_state(dev, pci_choose_state(dev, mesg));
-	release_console_sem();
+	console_unlock();
 
 	return 0;
 }
@@ -1605,7 +1605,7 @@ static int i810fb_resume(struct pci_dev *dev)
 		return 0;
 	}
 
-	acquire_console_sem();
+	console_lock();
 	pci_set_power_state(dev, PCI_D0);
 	pci_restore_state(dev);
 
@@ -1621,7 +1621,7 @@ static int i810fb_resume(struct pci_dev *dev)
 	fb_set_suspend (info, 0);
 	info->fbops->fb_blank(VESA_NO_BLANKING, info);
 fail:
-	release_console_sem();
+	console_unlock();
 	return 0;
 }
 /***********************************************************************
diff --git a/trunk/drivers/video/jz4740_fb.c b/trunk/drivers/video/jz4740_fb.c
index 670ecaa0385a..de366937c933 100644
--- a/trunk/drivers/video/jz4740_fb.c
+++ b/trunk/drivers/video/jz4740_fb.c
@@ -778,9 +778,9 @@ static int jzfb_suspend(struct device *dev)
 {
 	struct jzfb *jzfb = dev_get_drvdata(dev);
 
-	acquire_console_sem();
+	console_lock();
 	fb_set_suspend(jzfb->fb, 1);
-	release_console_sem();
+	console_unlock();
 
 	mutex_lock(&jzfb->lock);
 	if (jzfb->is_enabled)
@@ -800,9 +800,9 @@ static int jzfb_resume(struct device *dev)
 		jzfb_enable(jzfb);
 	mutex_unlock(&jzfb->lock);
 
-	acquire_console_sem();
+	console_lock();
 	fb_set_suspend(jzfb->fb, 0);
-	release_console_sem();
+	console_unlock();
 
 	return 0;
 }
diff --git a/trunk/drivers/video/mx3fb.c b/trunk/drivers/video/mx3fb.c
index cb013919e9ce..7e3a490e8d76 100644
--- a/trunk/drivers/video/mx3fb.c
+++ b/trunk/drivers/video/mx3fb.c
@@ -1177,9 +1177,9 @@ static int mx3fb_suspend(struct platform_device *pdev, pm_message_t state)
 	struct mx3fb_data *mx3fb = platform_get_drvdata(pdev);
 	struct mx3fb_info *mx3_fbi = mx3fb->fbi->par;
 
-	acquire_console_sem();
+	console_lock();
 	fb_set_suspend(mx3fb->fbi, 1);
-	release_console_sem();
+	console_unlock();
 
 	if (mx3_fbi->blank == FB_BLANK_UNBLANK) {
 		sdc_disable_channel(mx3_fbi);
@@ -1202,9 +1202,9 @@ static int mx3fb_resume(struct platform_device *pdev)
 		sdc_set_brightness(mx3fb, mx3fb->backlight_level);
 	}
 
-	acquire_console_sem();
+	console_lock();
 	fb_set_suspend(mx3fb->fbi, 0);
-	release_console_sem();
+	console_unlock();
 
 	return 0;
 }
diff --git a/trunk/drivers/video/nuc900fb.c b/trunk/drivers/video/nuc900fb.c
index 62498bd662fc..f838d9e277f0 100644
--- a/trunk/drivers/video/nuc900fb.c
+++ b/trunk/drivers/video/nuc900fb.c
@@ -696,6 +696,8 @@ static int nuc900fb_remove(struct platform_device *pdev)
 	nuc900fb_stop_lcd(fbinfo);
 	msleep(1);
 
+	unregister_framebuffer(fbinfo);
+	nuc900fb_cpufreq_deregister(fbi);
 	nuc900fb_unmap_video_memory(fbinfo);
 
 	iounmap(fbi->io);
@@ -723,7 +725,7 @@ static int nuc900fb_suspend(struct platform_device *dev, pm_message_t state)
 	struct fb_info	   *fbinfo = platform_get_drvdata(dev);
 	struct nuc900fb_info *info = fbinfo->par;
 
-	nuc900fb_stop_lcd();
+	nuc900fb_stop_lcd(fbinfo);
 	msleep(1);
 	clk_disable(info->clk);
 	return 0;
@@ -740,7 +742,7 @@ static int nuc900fb_resume(struct platform_device *dev)
 	msleep(1);
 
 	nuc900fb_init_registers(fbinfo);
-	nuc900fb_activate_var(bfinfo);
+	nuc900fb_activate_var(fbinfo);
 
 	return 0;
 }
diff --git a/trunk/drivers/video/nvidia/nvidia.c b/trunk/drivers/video/nvidia/nvidia.c
index efe10ff86d63..081dc4745274 100644
--- a/trunk/drivers/video/nvidia/nvidia.c
+++ b/trunk/drivers/video/nvidia/nvidia.c
@@ -1057,7 +1057,7 @@ static int nvidiafb_suspend(struct pci_dev *dev, pm_message_t mesg)
 
 	if (mesg.event == PM_EVENT_PRETHAW)
 		mesg.event = PM_EVENT_FREEZE;
-	acquire_console_sem();
+	console_lock();
 	par->pm_state = mesg.event;
 
 	if (mesg.event & PM_EVENT_SLEEP) {
@@ -1070,7 +1070,7 @@ static int nvidiafb_suspend(struct pci_dev *dev, pm_message_t mesg)
 	}
 	dev->dev.power.power_state = mesg;
 
-	release_console_sem();
+	console_unlock();
 	return 0;
 }
 
@@ -1079,7 +1079,7 @@ static int nvidiafb_resume(struct pci_dev *dev)
 	struct fb_info *info = pci_get_drvdata(dev);
 	struct nvidia_par *par = info->par;
 
-	acquire_console_sem();
+	console_lock();
 	pci_set_power_state(dev, PCI_D0);
 
 	if (par->pm_state != PM_EVENT_FREEZE) {
@@ -1097,7 +1097,7 @@ static int nvidiafb_resume(struct pci_dev *dev)
 	nvidiafb_blank(FB_BLANK_UNBLANK, info);
 
 fail:
-	release_console_sem();
+	console_unlock();
 	return 0;
 }
 #else
diff --git a/trunk/drivers/video/ps3fb.c b/trunk/drivers/video/ps3fb.c
index 9c0144ee7ae5..65560a1a0439 100644
--- a/trunk/drivers/video/ps3fb.c
+++ b/trunk/drivers/video/ps3fb.c
@@ -513,9 +513,9 @@ static int ps3fb_release(struct fb_info *info, int user)
 	if (atomic_dec_and_test(&ps3fb.f_count)) {
 		if (atomic_read(&ps3fb.ext_flip)) {
 			atomic_set(&ps3fb.ext_flip, 0);
-			if (!try_acquire_console_sem()) {
+			if (console_trylock()) {
 				ps3fb_sync(info, 0);	/* single buffer */
-				release_console_sem();
+				console_unlock();
 			}
 		}
 	}
@@ -830,14 +830,14 @@ static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
 			if (vmode) {
 				var = info->var;
 				fb_videomode_to_var(&var, vmode);
-				acquire_console_sem();
+				console_lock();
 				info->flags |= FBINFO_MISC_USEREVENT;
 				/* Force, in case only special bits changed */
 				var.activate |= FB_ACTIVATE_FORCE;
 				par->new_mode_id = val;
 				retval = fb_set_var(info, &var);
 				info->flags &= ~FBINFO_MISC_USEREVENT;
-				release_console_sem();
+				console_unlock();
 			}
 			break;
 		}
@@ -881,9 +881,9 @@ static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
 			break;
 
 		dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val);
-		acquire_console_sem();
+		console_lock();
 		retval = ps3fb_sync(info, val);
-		release_console_sem();
+		console_unlock();
 		break;
 
 	default:
@@ -903,9 +903,9 @@ static int ps3fbd(void *arg)
 		set_current_state(TASK_INTERRUPTIBLE);
 		if (ps3fb.is_kicked) {
 			ps3fb.is_kicked = 0;
-			acquire_console_sem();
+			console_lock();
 			ps3fb_sync(info, 0);	/* single buffer */
-			release_console_sem();
+			console_unlock();
 		}
 		schedule();
 	}
diff --git a/trunk/drivers/video/pxa168fb.c b/trunk/drivers/video/pxa168fb.c
index cea6403ae71c..35f61dd0cb3a 100644
--- a/trunk/drivers/video/pxa168fb.c
+++ b/trunk/drivers/video/pxa168fb.c
@@ -701,16 +701,12 @@ static int __devinit pxa168fb_probe(struct platform_device *pdev)
 	 */
 	pxa168fb_init_mode(info, mi);
 
-	ret = pxa168fb_check_var(&info->var, info);
-	if (ret)
-		goto failed_free_fbmem;
-
 	/*
 	 * Fill in sane defaults.
 	 */
 	ret = pxa168fb_check_var(&info->var, info);
 	if (ret)
-		goto failed;
+		goto failed_free_fbmem;
 
 	/*
 	 * enable controller clock
diff --git a/trunk/drivers/video/pxa3xx-gcu.c b/trunk/drivers/video/pxa3xx-gcu.c
index b81168df253d..cf4beb9dc9bb 100644
--- a/trunk/drivers/video/pxa3xx-gcu.c
+++ b/trunk/drivers/video/pxa3xx-gcu.c
@@ -1,5 +1,5 @@
 /*
- *  pxa3xx-gc.c - Linux kernel module for PXA3xx graphics controllers
+ *  pxa3xx-gcu.c - Linux kernel module for PXA3xx graphics controllers
  *
  *  This driver needs a DirectFB counterpart in user space, communication
  *  is handled via mmap()ed memory areas and an ioctl.
@@ -421,7 +421,7 @@ pxa3xx_gcu_misc_write(struct file *filp, const char *buff,
 		buffer->next = priv->free;
 		priv->free = buffer;
 		spin_unlock_irqrestore(&priv->spinlock, flags);
-		return ret;
+		return -EFAULT;
 	}
 
 	buffer->length = words;
diff --git a/trunk/drivers/video/s3fb.c b/trunk/drivers/video/s3fb.c
index dce8c97b4333..75738a928610 100644
--- a/trunk/drivers/video/s3fb.c
+++ b/trunk/drivers/video/s3fb.c
@@ -22,7 +22,7 @@
 #include <linux/svga.h>
 #include <linux/init.h>
 #include <linux/pci.h>
-#include <linux/console.h> /* Why should fb driver call console functions? because acquire_console_sem() */
+#include <linux/console.h> /* Why should fb driver call console functions? because console_lock() */
 #include <video/vga.h>
 
 #ifdef CONFIG_MTRR
@@ -1113,12 +1113,12 @@ static int s3_pci_suspend(struct pci_dev* dev, pm_message_t state)
 
 	dev_info(info->device, "suspend\n");
 
-	acquire_console_sem();
+	console_lock();
 	mutex_lock(&(par->open_lock));
 
 	if ((state.event == PM_EVENT_FREEZE) || (par->ref_count == 0)) {
 		mutex_unlock(&(par->open_lock));
-		release_console_sem();
+		console_unlock();
 		return 0;
 	}
 
@@ -1129,7 +1129,7 @@ static int s3_pci_suspend(struct pci_dev* dev, pm_message_t state)
 	pci_set_power_state(dev, pci_choose_state(dev, state));
 
 	mutex_unlock(&(par->open_lock));
-	release_console_sem();
+	console_unlock();
 
 	return 0;
 }
@@ -1145,12 +1145,12 @@ static int s3_pci_resume(struct pci_dev* dev)
 
 	dev_info(info->device, "resume\n");
 
-	acquire_console_sem();
+	console_lock();
 	mutex_lock(&(par->open_lock));
 
 	if (par->ref_count == 0) {
 		mutex_unlock(&(par->open_lock));
-		release_console_sem();
+		console_unlock();
 		return 0;
 	}
 
@@ -1159,7 +1159,7 @@ static int s3_pci_resume(struct pci_dev* dev)
 	err = pci_enable_device(dev);
 	if (err) {
 		mutex_unlock(&(par->open_lock));
-		release_console_sem();
+		console_unlock();
 		dev_err(info->device, "error %d enabling device for resume\n", err);
 		return err;
 	}
@@ -1169,7 +1169,7 @@ static int s3_pci_resume(struct pci_dev* dev)
 	fb_set_suspend(info, 0);
 
 	mutex_unlock(&(par->open_lock));
-	release_console_sem();
+	console_unlock();
 
 	return 0;
 }
diff --git a/trunk/drivers/video/savage/savagefb_driver.c b/trunk/drivers/video/savage/savagefb_driver.c
index 842d157e1025..487911e2926c 100644
--- a/trunk/drivers/video/savage/savagefb_driver.c
+++ b/trunk/drivers/video/savage/savagefb_driver.c
@@ -2373,7 +2373,7 @@ static int savagefb_suspend(struct pci_dev *dev, pm_message_t mesg)
 	if (mesg.event == PM_EVENT_FREEZE)
 		return 0;
 
-	acquire_console_sem();
+	console_lock();
 	fb_set_suspend(info, 1);
 
 	if (info->fbops->fb_sync)
@@ -2385,7 +2385,7 @@ static int savagefb_suspend(struct pci_dev *dev, pm_message_t mesg)
 	pci_save_state(dev);
 	pci_disable_device(dev);
 	pci_set_power_state(dev, pci_choose_state(dev, mesg));
-	release_console_sem();
+	console_unlock();
 
 	return 0;
 }
@@ -2409,7 +2409,7 @@ static int savagefb_resume(struct pci_dev* dev)
 		return 0;
 	}
 
-	acquire_console_sem();
+	console_lock();
 
 	pci_set_power_state(dev, PCI_D0);
 	pci_restore_state(dev);
@@ -2423,7 +2423,7 @@ static int savagefb_resume(struct pci_dev* dev)
 	savagefb_set_par(info);
 	fb_set_suspend(info, 0);
 	savagefb_blank(FB_BLANK_UNBLANK, info);
-	release_console_sem();
+	console_unlock();
 
 	return 0;
 }
diff --git a/trunk/drivers/video/sh_mobile_hdmi.c b/trunk/drivers/video/sh_mobile_hdmi.c
index 74d9f546a2e8..2b9e56a6bde4 100644
--- a/trunk/drivers/video/sh_mobile_hdmi.c
+++ b/trunk/drivers/video/sh_mobile_hdmi.c
@@ -1151,7 +1151,7 @@ static void sh_hdmi_edid_work_fn(struct work_struct *work)
 
 		ch = info->par;
 
-		acquire_console_sem();
+		console_lock();
 
 		/* HDMI plug in */
 		if (!sh_hdmi_must_reconfigure(hdmi) &&
@@ -1171,7 +1171,7 @@ static void sh_hdmi_edid_work_fn(struct work_struct *work)
 			fb_set_suspend(info, 0);
 		}
 
-		release_console_sem();
+		console_unlock();
 	} else {
 		ret = 0;
 		if (!hdmi->info)
@@ -1181,12 +1181,12 @@ static void sh_hdmi_edid_work_fn(struct work_struct *work)
 		fb_destroy_modedb(hdmi->monspec.modedb);
 		hdmi->monspec.modedb = NULL;
 
-		acquire_console_sem();
+		console_lock();
 
 		/* HDMI disconnect */
 		fb_set_suspend(hdmi->info, 1);
 
-		release_console_sem();
+		console_unlock();
 		pm_runtime_put(hdmi->dev);
 	}
 
diff --git a/trunk/drivers/video/sh_mobile_lcdcfb.c b/trunk/drivers/video/sh_mobile_lcdcfb.c
index bd4840a8a6b7..bf12e53aed5c 100644
--- a/trunk/drivers/video/sh_mobile_lcdcfb.c
+++ b/trunk/drivers/video/sh_mobile_lcdcfb.c
@@ -912,9 +912,9 @@ static int sh_mobile_release(struct fb_info *info, int user)
 
 	/* Nothing to reconfigure, when called from fbcon */
 	if (user) {
-		acquire_console_sem();
+		console_lock();
 		sh_mobile_fb_reconfig(info);
-		release_console_sem();
+		console_unlock();
 	}
 
 	mutex_unlock(&ch->open_lock);
diff --git a/trunk/drivers/video/sm501fb.c b/trunk/drivers/video/sm501fb.c
index b7dc1800efa9..bcb44a594ebc 100644
--- a/trunk/drivers/video/sm501fb.c
+++ b/trunk/drivers/video/sm501fb.c
@@ -2010,9 +2010,9 @@ static int sm501fb_suspend_fb(struct sm501fb_info *info,
 
 	/* tell console/fb driver we are suspending */
 
-	acquire_console_sem();
+	console_lock();
 	fb_set_suspend(fbi, 1);
-	release_console_sem();
+	console_unlock();
 
 	/* backup copies in case chip is powered down over suspend */
 
@@ -2069,9 +2069,9 @@ static void sm501fb_resume_fb(struct sm501fb_info *info,
 		memcpy_toio(par->cursor.k_addr, par->store_cursor,
 			    par->cursor.size);
 
-	acquire_console_sem();
+	console_lock();
 	fb_set_suspend(fbi, 0);
-	release_console_sem();
+	console_unlock();
 
 	vfree(par->store_fb);
 	vfree(par->store_cursor);
diff --git a/trunk/drivers/video/tmiofb.c b/trunk/drivers/video/tmiofb.c
index 6913fe168c25..dfef88c803d4 100644
--- a/trunk/drivers/video/tmiofb.c
+++ b/trunk/drivers/video/tmiofb.c
@@ -25,7 +25,7 @@
 #include <linux/fb.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>
-/* Why should fb driver call console functions? because acquire_console_sem() */
+/* Why should fb driver call console functions? because console_lock() */
 #include <linux/console.h>
 #include <linux/mfd/core.h>
 #include <linux/mfd/tmio.h>
@@ -944,7 +944,7 @@ static int tmiofb_suspend(struct platform_device *dev, pm_message_t state)
 	struct mfd_cell *cell = dev->dev.platform_data;
 	int retval = 0;
 
-	acquire_console_sem();
+	console_lock();
 
 	fb_set_suspend(info, 1);
 
@@ -965,7 +965,7 @@ static int tmiofb_suspend(struct platform_device *dev, pm_message_t state)
 	if (cell->suspend)
 		retval = cell->suspend(dev);
 
-	release_console_sem();
+	console_unlock();
 
 	return retval;
 }
@@ -976,7 +976,7 @@ static int tmiofb_resume(struct platform_device *dev)
 	struct mfd_cell *cell = dev->dev.platform_data;
 	int retval = 0;
 
-	acquire_console_sem();
+	console_lock();
 
 	if (cell->resume) {
 		retval = cell->resume(dev);
@@ -992,7 +992,7 @@ static int tmiofb_resume(struct platform_device *dev)
 
 	fb_set_suspend(info, 0);
 out:
-	release_console_sem();
+	console_unlock();
 	return retval;
 }
 #else
diff --git a/trunk/drivers/video/via/viafbdev.c b/trunk/drivers/video/via/viafbdev.c
index 289edd519527..4e66349e4366 100644
--- a/trunk/drivers/video/via/viafbdev.c
+++ b/trunk/drivers/video/via/viafbdev.c
@@ -1674,17 +1674,17 @@ static int parse_mode(const char *str, u32 *xres, u32 *yres)
 #ifdef CONFIG_PM
 static int viafb_suspend(void *unused)
 {
-	acquire_console_sem();
+	console_lock();
 	fb_set_suspend(viafbinfo, 1);
 	viafb_sync(viafbinfo);
-	release_console_sem();
+	console_unlock();
 
 	return 0;
 }
 
 static int viafb_resume(void *unused)
 {
-	acquire_console_sem();
+	console_lock();
 	if (viaparinfo->shared->vdev->engine_mmio)
 		viafb_reset_engine(viaparinfo);
 	viafb_set_par(viafbinfo);
@@ -1692,7 +1692,7 @@ static int viafb_resume(void *unused)
 		viafb_set_par(viafbinfo1);
 	fb_set_suspend(viafbinfo, 0);
 
-	release_console_sem();
+	console_unlock();
 	return 0;
 }
 
diff --git a/trunk/drivers/video/vt8623fb.c b/trunk/drivers/video/vt8623fb.c
index 85d76ec4c63e..a2965ab92cfb 100644
--- a/trunk/drivers/video/vt8623fb.c
+++ b/trunk/drivers/video/vt8623fb.c
@@ -23,7 +23,7 @@
 #include <linux/svga.h>
 #include <linux/init.h>
 #include <linux/pci.h>
-#include <linux/console.h> /* Why should fb driver call console functions? because acquire_console_sem() */
+#include <linux/console.h> /* Why should fb driver call console functions? because console_lock() */
 #include <video/vga.h>
 
 #ifdef CONFIG_MTRR
@@ -819,12 +819,12 @@ static int vt8623_pci_suspend(struct pci_dev* dev, pm_message_t state)
 
 	dev_info(info->device, "suspend\n");
 
-	acquire_console_sem();
+	console_lock();
 	mutex_lock(&(par->open_lock));
 
 	if ((state.event == PM_EVENT_FREEZE) || (par->ref_count == 0)) {
 		mutex_unlock(&(par->open_lock));
-		release_console_sem();
+		console_unlock();
 		return 0;
 	}
 
@@ -835,7 +835,7 @@ static int vt8623_pci_suspend(struct pci_dev* dev, pm_message_t state)
 	pci_set_power_state(dev, pci_choose_state(dev, state));
 
 	mutex_unlock(&(par->open_lock));
-	release_console_sem();
+	console_unlock();
 
 	return 0;
 }
@@ -850,7 +850,7 @@ static int vt8623_pci_resume(struct pci_dev* dev)
 
 	dev_info(info->device, "resume\n");
 
-	acquire_console_sem();
+	console_lock();
 	mutex_lock(&(par->open_lock));
 
 	if (par->ref_count == 0)
@@ -869,7 +869,7 @@ static int vt8623_pci_resume(struct pci_dev* dev)
 
 fail:
 	mutex_unlock(&(par->open_lock));
-	release_console_sem();
+	console_unlock();
 
 	return 0;
 }
diff --git a/trunk/drivers/video/xen-fbfront.c b/trunk/drivers/video/xen-fbfront.c
index 3e6934d4bea8..a20218c2fda8 100644
--- a/trunk/drivers/video/xen-fbfront.c
+++ b/trunk/drivers/video/xen-fbfront.c
@@ -491,12 +491,12 @@ xenfb_make_preferred_console(void)
 	if (console_set_on_cmdline)
 		return;
 
-	acquire_console_sem();
+	console_lock();
 	for_each_console(c) {
 		if (!strcmp(c->name, "tty") && c->index == 0)
 			break;
 	}
-	release_console_sem();
+	console_unlock();
 	if (c) {
 		unregister_console(c);
 		c->flags |= CON_CONSDEV;
diff --git a/trunk/fs/nilfs2/super.c b/trunk/fs/nilfs2/super.c
index 0994f6a76c07..58fd707174e1 100644
--- a/trunk/fs/nilfs2/super.c
+++ b/trunk/fs/nilfs2/super.c
@@ -704,7 +704,8 @@ static int nilfs_setup_super(struct nilfs_sb_info *sbi, int is_mount)
 	sbp[0]->s_state =
 		cpu_to_le16(le16_to_cpu(sbp[0]->s_state) & ~NILFS_VALID_FS);
 	/* synchronize sbp[1] with sbp[0] */
-	memcpy(sbp[1], sbp[0], nilfs->ns_sbsize);
+	if (sbp[1])
+		memcpy(sbp[1], sbp[0], nilfs->ns_sbsize);
 	return nilfs_commit_super(sbi, NILFS_SB_COMMIT_ALL);
 }
 
diff --git a/trunk/fs/proc/consoles.c b/trunk/fs/proc/consoles.c
index eafc22ab1fdd..b701eaa482bf 100644
--- a/trunk/fs/proc/consoles.c
+++ b/trunk/fs/proc/consoles.c
@@ -67,7 +67,7 @@ static void *c_start(struct seq_file *m, loff_t *pos)
 	struct console *con;
 	loff_t off = 0;
 
-	acquire_console_sem();
+	console_lock();
 	for_each_console(con)
 		if (off++ == *pos)
 			break;
@@ -84,7 +84,7 @@ static void *c_next(struct seq_file *m, void *v, loff_t *pos)
 
 static void c_stop(struct seq_file *m, void *v)
 {
-	release_console_sem();
+	console_unlock();
 }
 
 static const struct seq_operations consoles_op = {
diff --git a/trunk/fs/squashfs/block.c b/trunk/fs/squashfs/block.c
index 2fb2882f0fa7..8ab48bc2fa7d 100644
--- a/trunk/fs/squashfs/block.c
+++ b/trunk/fs/squashfs/block.c
@@ -63,6 +63,14 @@ static struct buffer_head *get_block_length(struct super_block *sb,
 		*length = (unsigned char) bh->b_data[*offset] |
 			(unsigned char) bh->b_data[*offset + 1] << 8;
 		*offset += 2;
+
+		if (*offset == msblk->devblksize) {
+			put_bh(bh);
+			bh = sb_bread(sb, ++(*cur_index));
+			if (bh == NULL)
+				return NULL;
+			*offset = 0;
+		}
 	}
 
 	return bh;
diff --git a/trunk/fs/squashfs/xz_wrapper.c b/trunk/fs/squashfs/xz_wrapper.c
index 856756ca5ee4..c4eb40018256 100644
--- a/trunk/fs/squashfs/xz_wrapper.c
+++ b/trunk/fs/squashfs/xz_wrapper.c
@@ -95,12 +95,6 @@ static int squashfs_xz_uncompress(struct squashfs_sb_info *msblk, void **buffer,
 			if (!buffer_uptodate(bh[k]))
 				goto release_mutex;
 
-			if (avail == 0) {
-				offset = 0;
-				put_bh(bh[k++]);
-				continue;
-			}
-
 			stream->buf.in = bh[k]->b_data + offset;
 			stream->buf.in_size = avail;
 			stream->buf.in_pos = 0;
diff --git a/trunk/fs/squashfs/zlib_wrapper.c b/trunk/fs/squashfs/zlib_wrapper.c
index 818a5e063faf..4661ae2b1cec 100644
--- a/trunk/fs/squashfs/zlib_wrapper.c
+++ b/trunk/fs/squashfs/zlib_wrapper.c
@@ -82,12 +82,6 @@ static int zlib_uncompress(struct squashfs_sb_info *msblk, void **buffer,
 			if (!buffer_uptodate(bh[k]))
 				goto release_mutex;
 
-			if (avail == 0) {
-				offset = 0;
-				put_bh(bh[k++]);
-				continue;
-			}
-
 			stream->next_in = bh[k]->b_data + offset;
 			stream->avail_in = avail;
 			offset = 0;
diff --git a/trunk/include/linux/console.h b/trunk/include/linux/console.h
index 9774fe6a1a97..7453cfd593c8 100644
--- a/trunk/include/linux/console.h
+++ b/trunk/include/linux/console.h
@@ -139,9 +139,9 @@ extern int update_console_cmdline(char *name, int idx, char *name_new, int idx_n
 extern void register_console(struct console *);
 extern int unregister_console(struct console *);
 extern struct console *console_drivers;
-extern void acquire_console_sem(void);
-extern int try_acquire_console_sem(void);
-extern void release_console_sem(void);
+extern void console_lock(void);
+extern int console_trylock(void);
+extern void console_unlock(void);
 extern void console_conditional_schedule(void);
 extern void console_unblank(void);
 extern struct tty_driver *console_device(int *);
diff --git a/trunk/include/linux/input/bu21013.h b/trunk/include/linux/input/bu21013.h
index e470d387dd49..05e03284b92a 100644
--- a/trunk/include/linux/input/bu21013.h
+++ b/trunk/include/linux/input/bu21013.h
@@ -12,8 +12,6 @@
  * @cs_en:	pointer to the cs enable function
  * @cs_dis:	pointer to the cs disable function
  * @irq_read_val:    pointer to read the pen irq value function
- * @x_max_res: xmax resolution
- * @y_max_res: ymax resolution
  * @touch_x_max: touch x max
  * @touch_y_max: touch y max
  * @cs_pin: chip select pin
@@ -29,8 +27,6 @@ struct bu21013_platform_device {
 	int (*cs_en)(int reset_pin);
 	int (*cs_dis)(int reset_pin);
 	int (*irq_read_val)(void);
-	int x_max_res;
-	int y_max_res;
 	int touch_x_max;
 	int touch_y_max;
 	unsigned int cs_pin;
diff --git a/trunk/include/linux/mmc/sh_mmcif.h b/trunk/include/linux/mmc/sh_mmcif.h
index bf173502d744..38d393092812 100644
--- a/trunk/include/linux/mmc/sh_mmcif.h
+++ b/trunk/include/linux/mmc/sh_mmcif.h
@@ -94,12 +94,12 @@ struct sh_mmcif_plat_data {
 
 static inline u32 sh_mmcif_readl(void __iomem *addr, int reg)
 {
-	return readl(addr + reg);
+	return __raw_readl(addr + reg);
 }
 
 static inline void sh_mmcif_writel(void __iomem *addr, int reg, u32 val)
 {
-	writel(val, addr + reg);
+	__raw_writel(val, addr + reg);
 }
 
 #define SH_MMCIF_BBS 512 /* boot block size */
diff --git a/trunk/include/linux/sysrq.h b/trunk/include/linux/sysrq.h
index 387fa7d05c98..7faf933cced7 100644
--- a/trunk/include/linux/sysrq.h
+++ b/trunk/include/linux/sysrq.h
@@ -17,6 +17,9 @@
 #include <linux/errno.h>
 #include <linux/types.h>
 
+/* Enable/disable SYSRQ support by default (0==no, 1==yes). */
+#define SYSRQ_DEFAULT_ENABLE	1
+
 /* Possible values of bitmask for enabling sysrq functions */
 /* 0x0001 is reserved for enable everything */
 #define SYSRQ_ENABLE_LOG	0x0002
diff --git a/trunk/kernel/printk.c b/trunk/kernel/printk.c
index 53d9a9ec88e6..2ddbdc73aade 100644
--- a/trunk/kernel/printk.c
+++ b/trunk/kernel/printk.c
@@ -97,7 +97,7 @@ static int console_locked, console_suspended;
 /*
  * logbuf_lock protects log_buf, log_start, log_end, con_start and logged_chars
  * It is also used in interesting ways to provide interlocking in
- * release_console_sem().
+ * console_unlock();.
  */
 static DEFINE_SPINLOCK(logbuf_lock);
 
@@ -501,7 +501,7 @@ static void _call_console_drivers(unsigned start,
 /*
  * Call the console drivers, asking them to write out
  * log_buf[start] to log_buf[end - 1].
- * The console_sem must be held.
+ * The console_lock must be held.
  */
 static void call_console_drivers(unsigned start, unsigned end)
 {
@@ -604,11 +604,11 @@ static int have_callable_console(void)
  *
  * This is printk().  It can be called from any context.  We want it to work.
  *
- * We try to grab the console_sem.  If we succeed, it's easy - we log the output and
+ * We try to grab the console_lock.  If we succeed, it's easy - we log the output and
  * call the console drivers.  If we fail to get the semaphore we place the output
  * into the log buffer and return.  The current holder of the console_sem will
- * notice the new output in release_console_sem() and will send it to the
- * consoles before releasing the semaphore.
+ * notice the new output in console_unlock(); and will send it to the
+ * consoles before releasing the lock.
  *
  * One effect of this deferred printing is that code which calls printk() and
  * then changes console_loglevel may break. This is because console_loglevel
@@ -659,19 +659,19 @@ static inline int can_use_console(unsigned int cpu)
 /*
  * Try to get console ownership to actually show the kernel
  * messages from a 'printk'. Return true (and with the
- * console_semaphore held, and 'console_locked' set) if it
+ * console_lock held, and 'console_locked' set) if it
  * is successful, false otherwise.
  *
  * This gets called with the 'logbuf_lock' spinlock held and
  * interrupts disabled. It should return with 'lockbuf_lock'
  * released but interrupts still disabled.
  */
-static int acquire_console_semaphore_for_printk(unsigned int cpu)
+static int console_trylock_for_printk(unsigned int cpu)
 	__releases(&logbuf_lock)
 {
 	int retval = 0;
 
-	if (!try_acquire_console_sem()) {
+	if (console_trylock()) {
 		retval = 1;
 
 		/*
@@ -827,12 +827,12 @@ asmlinkage int vprintk(const char *fmt, va_list args)
 	 * actual magic (print out buffers, wake up klogd,
 	 * etc). 
 	 *
-	 * The acquire_console_semaphore_for_printk() function
+	 * The console_trylock_for_printk() function
 	 * will release 'logbuf_lock' regardless of whether it
 	 * actually gets the semaphore or not.
 	 */
-	if (acquire_console_semaphore_for_printk(this_cpu))
-		release_console_sem();
+	if (console_trylock_for_printk(this_cpu))
+		console_unlock();
 
 	lockdep_on();
 out_restore_irqs:
@@ -993,7 +993,7 @@ void suspend_console(void)
 	if (!console_suspend_enabled)
 		return;
 	printk("Suspending console(s) (use no_console_suspend to debug)\n");
-	acquire_console_sem();
+	console_lock();
 	console_suspended = 1;
 	up(&console_sem);
 }
@@ -1004,7 +1004,7 @@ void resume_console(void)
 		return;
 	down(&console_sem);
 	console_suspended = 0;
-	release_console_sem();
+	console_unlock();
 }
 
 /**
@@ -1027,21 +1027,21 @@ static int __cpuinit console_cpu_notify(struct notifier_block *self,
 	case CPU_DYING:
 	case CPU_DOWN_FAILED:
 	case CPU_UP_CANCELED:
-		acquire_console_sem();
-		release_console_sem();
+		console_lock();
+		console_unlock();
 	}
 	return NOTIFY_OK;
 }
 
 /**
- * acquire_console_sem - lock the console system for exclusive use.
+ * console_lock - lock the console system for exclusive use.
  *
- * Acquires a semaphore which guarantees that the caller has
+ * Acquires a lock which guarantees that the caller has
  * exclusive access to the console system and the console_drivers list.
  *
  * Can sleep, returns nothing.
  */
-void acquire_console_sem(void)
+void console_lock(void)
 {
 	BUG_ON(in_interrupt());
 	down(&console_sem);
@@ -1050,21 +1050,29 @@ void acquire_console_sem(void)
 	console_locked = 1;
 	console_may_schedule = 1;
 }
-EXPORT_SYMBOL(acquire_console_sem);
+EXPORT_SYMBOL(console_lock);
 
-int try_acquire_console_sem(void)
+/**
+ * console_trylock - try to lock the console system for exclusive use.
+ *
+ * Tried to acquire a lock which guarantees that the caller has
+ * exclusive access to the console system and the console_drivers list.
+ *
+ * returns 1 on success, and 0 on failure to acquire the lock.
+ */
+int console_trylock(void)
 {
 	if (down_trylock(&console_sem))
-		return -1;
+		return 0;
 	if (console_suspended) {
 		up(&console_sem);
-		return -1;
+		return 0;
 	}
 	console_locked = 1;
 	console_may_schedule = 0;
-	return 0;
+	return 1;
 }
-EXPORT_SYMBOL(try_acquire_console_sem);
+EXPORT_SYMBOL(console_trylock);
 
 int is_console_locked(void)
 {
@@ -1095,20 +1103,20 @@ void wake_up_klogd(void)
 }
 
 /**
- * release_console_sem - unlock the console system
+ * console_unlock - unlock the console system
  *
- * Releases the semaphore which the caller holds on the console system
+ * Releases the console_lock which the caller holds on the console system
  * and the console driver list.
  *
- * While the semaphore was held, console output may have been buffered
- * by printk().  If this is the case, release_console_sem() emits
- * the output prior to releasing the semaphore.
+ * While the console_lock was held, console output may have been buffered
+ * by printk().  If this is the case, console_unlock(); emits
+ * the output prior to releasing the lock.
  *
  * If there is output waiting for klogd, we wake it up.
  *
- * release_console_sem() may be called from any context.
+ * console_unlock(); may be called from any context.
  */
-void release_console_sem(void)
+void console_unlock(void)
 {
 	unsigned long flags;
 	unsigned _con_start, _log_end;
@@ -1141,7 +1149,7 @@ void release_console_sem(void)
 	if (wake_klogd)
 		wake_up_klogd();
 }
-EXPORT_SYMBOL(release_console_sem);
+EXPORT_SYMBOL(console_unlock);
 
 /**
  * console_conditional_schedule - yield the CPU if required
@@ -1150,7 +1158,7 @@ EXPORT_SYMBOL(release_console_sem);
  * if this CPU should yield the CPU to another task, do
  * so here.
  *
- * Must be called within acquire_console_sem().
+ * Must be called within console_lock();.
  */
 void __sched console_conditional_schedule(void)
 {
@@ -1171,14 +1179,14 @@ void console_unblank(void)
 		if (down_trylock(&console_sem) != 0)
 			return;
 	} else
-		acquire_console_sem();
+		console_lock();
 
 	console_locked = 1;
 	console_may_schedule = 0;
 	for_each_console(c)
 		if ((c->flags & CON_ENABLED) && c->unblank)
 			c->unblank();
-	release_console_sem();
+	console_unlock();
 }
 
 /*
@@ -1189,7 +1197,7 @@ struct tty_driver *console_device(int *index)
 	struct console *c;
 	struct tty_driver *driver = NULL;
 
-	acquire_console_sem();
+	console_lock();
 	for_each_console(c) {
 		if (!c->device)
 			continue;
@@ -1197,7 +1205,7 @@ struct tty_driver *console_device(int *index)
 		if (driver)
 			break;
 	}
-	release_console_sem();
+	console_unlock();
 	return driver;
 }
 
@@ -1208,17 +1216,17 @@ struct tty_driver *console_device(int *index)
  */
 void console_stop(struct console *console)
 {
-	acquire_console_sem();
+	console_lock();
 	console->flags &= ~CON_ENABLED;
-	release_console_sem();
+	console_unlock();
 }
 EXPORT_SYMBOL(console_stop);
 
 void console_start(struct console *console)
 {
-	acquire_console_sem();
+	console_lock();
 	console->flags |= CON_ENABLED;
-	release_console_sem();
+	console_unlock();
 }
 EXPORT_SYMBOL(console_start);
 
@@ -1340,7 +1348,7 @@ void register_console(struct console *newcon)
 	 *	Put this console in the list - keep the
 	 *	preferred driver at the head of the list.
 	 */
-	acquire_console_sem();
+	console_lock();
 	if ((newcon->flags & CON_CONSDEV) || console_drivers == NULL) {
 		newcon->next = console_drivers;
 		console_drivers = newcon;
@@ -1352,14 +1360,14 @@ void register_console(struct console *newcon)
 	}
 	if (newcon->flags & CON_PRINTBUFFER) {
 		/*
-		 * release_console_sem() will print out the buffered messages
+		 * console_unlock(); will print out the buffered messages
 		 * for us.
 		 */
 		spin_lock_irqsave(&logbuf_lock, flags);
 		con_start = log_start;
 		spin_unlock_irqrestore(&logbuf_lock, flags);
 	}
-	release_console_sem();
+	console_unlock();
 	console_sysfs_notify();
 
 	/*
@@ -1396,7 +1404,7 @@ int unregister_console(struct console *console)
 		return braille_unregister_console(console);
 #endif
 
-	acquire_console_sem();
+	console_lock();
 	if (console_drivers == console) {
 		console_drivers=console->next;
 		res = 0;
@@ -1418,7 +1426,7 @@ int unregister_console(struct console *console)
 	if (console_drivers != NULL && console->flags & CON_CONSDEV)
 		console_drivers->flags |= CON_CONSDEV;
 
-	release_console_sem();
+	console_unlock();
 	console_sysfs_notify();
 	return res;
 }
diff --git a/trunk/kernel/sysctl.c b/trunk/kernel/sysctl.c
index bc86bb32e126..0f1bd83db985 100644
--- a/trunk/kernel/sysctl.c
+++ b/trunk/kernel/sysctl.c
@@ -170,7 +170,8 @@ static int proc_taint(struct ctl_table *table, int write,
 #endif
 
 #ifdef CONFIG_MAGIC_SYSRQ
-static int __sysrq_enabled; /* Note: sysrq code ises it's own private copy */
+/* Note: sysrq code uses it's own private copy */
+static int __sysrq_enabled = SYSRQ_DEFAULT_ENABLE;
 
 static int sysrq_sysctl_handler(ctl_table *table, int write,
 				void __user *buffer, size_t *lenp,
diff --git a/trunk/lib/radix-tree.c b/trunk/lib/radix-tree.c
index 5086bb962b4d..7ea2e033d715 100644
--- a/trunk/lib/radix-tree.c
+++ b/trunk/lib/radix-tree.c
@@ -736,10 +736,11 @@ unsigned long radix_tree_range_tag_if_tagged(struct radix_tree_root *root,
 		}
 	}
 	/*
-	 * The iftag must have been set somewhere because otherwise
-	 * we would return immediated at the beginning of the function
+	 * We need not to tag the root tag if there is no tag which is set with
+	 * settag within the range from *first_indexp to last_index.
 	 */
-	root_tag_set(root, settag);
+	if (tagged > 0)
+		root_tag_set(root, settag);
 	*first_indexp = index;
 
 	return tagged;
diff --git a/trunk/mm/Kconfig b/trunk/mm/Kconfig
index 3ad483bdf505..e9c0c61f2ddd 100644
--- a/trunk/mm/Kconfig
+++ b/trunk/mm/Kconfig
@@ -179,7 +179,7 @@ config SPLIT_PTLOCK_CPUS
 config COMPACTION
 	bool "Allow for memory compaction"
 	select MIGRATION
-	depends on EXPERIMENTAL && HUGETLB_PAGE && MMU
+	depends on MMU
 	help
 	  Allows the compaction of memory for the allocation of huge pages.
 
diff --git a/trunk/mm/memcontrol.c b/trunk/mm/memcontrol.c
index db76ef726293..3878cfe399dc 100644
--- a/trunk/mm/memcontrol.c
+++ b/trunk/mm/memcontrol.c
@@ -1832,6 +1832,7 @@ static int __mem_cgroup_do_charge(struct mem_cgroup *mem, gfp_t gfp_mask,
 		if (likely(!ret))
 			return CHARGE_OK;
 
+		res_counter_uncharge(&mem->res, csize);
 		mem_over_limit = mem_cgroup_from_res_counter(fail_res, memsw);
 		flags |= MEM_CGROUP_RECLAIM_NOSWAP;
 	} else
@@ -2144,6 +2145,8 @@ void mem_cgroup_split_huge_fixup(struct page *head, struct page *tail)
 	struct page_cgroup *tail_pc = lookup_page_cgroup(tail);
 	unsigned long flags;
 
+	if (mem_cgroup_disabled())
+		return;
 	/*
 	 * We have no races with charge/uncharge but will have races with
 	 * page state accounting.
@@ -2233,7 +2236,12 @@ static int mem_cgroup_move_account(struct page_cgroup *pc,
 {
 	int ret = -EINVAL;
 	unsigned long flags;
-
+	/*
+	 * The page is isolated from LRU. So, collapse function
+	 * will not handle this page. But page splitting can happen.
+	 * Do this check under compound_page_lock(). The caller should
+	 * hold it.
+	 */
 	if ((charge_size > PAGE_SIZE) && !PageTransHuge(pc->page))
 		return -EBUSY;
 
@@ -2265,7 +2273,7 @@ static int mem_cgroup_move_parent(struct page_cgroup *pc,
 	struct cgroup *cg = child->css.cgroup;
 	struct cgroup *pcg = cg->parent;
 	struct mem_cgroup *parent;
-	int charge = PAGE_SIZE;
+	int page_size = PAGE_SIZE;
 	unsigned long flags;
 	int ret;
 
@@ -2278,23 +2286,26 @@ static int mem_cgroup_move_parent(struct page_cgroup *pc,
 		goto out;
 	if (isolate_lru_page(page))
 		goto put;
-	/* The page is isolated from LRU and we have no race with splitting */
-	charge = PAGE_SIZE << compound_order(page);
+
+	if (PageTransHuge(page))
+		page_size = HPAGE_SIZE;
 
 	parent = mem_cgroup_from_cont(pcg);
-	ret = __mem_cgroup_try_charge(NULL, gfp_mask, &parent, false, charge);
+	ret = __mem_cgroup_try_charge(NULL, gfp_mask,
+				&parent, false, page_size);
 	if (ret || !parent)
 		goto put_back;
 
-	if (charge > PAGE_SIZE)
+	if (page_size > PAGE_SIZE)
 		flags = compound_lock_irqsave(page);
 
-	ret = mem_cgroup_move_account(pc, child, parent, true, charge);
+	ret = mem_cgroup_move_account(pc, child, parent, true, page_size);
 	if (ret)
-		mem_cgroup_cancel_charge(parent, charge);
-put_back:
-	if (charge > PAGE_SIZE)
+		mem_cgroup_cancel_charge(parent, page_size);
+
+	if (page_size > PAGE_SIZE)
 		compound_unlock_irqrestore(page, flags);
+put_back:
 	putback_lru_page(page);
 put:
 	put_page(page);
diff --git a/trunk/mm/migrate.c b/trunk/mm/migrate.c
index 46fe8cc13d67..9f29a3b7aac2 100644
--- a/trunk/mm/migrate.c
+++ b/trunk/mm/migrate.c
@@ -888,7 +888,7 @@ static int unmap_and_move_huge_page(new_page_t get_new_page,
  * are movable anymore because to has become empty
  * or no retryable pages exist anymore.
  * Caller should call putback_lru_pages to return pages to the LRU
- * or free list.
+ * or free list only if ret != 0.
  *
  * Return: Number of pages not migrated or error code.
  */
diff --git a/trunk/mm/page_alloc.c b/trunk/mm/page_alloc.c
index 90c1439549fd..a873e61e312e 100644
--- a/trunk/mm/page_alloc.c
+++ b/trunk/mm/page_alloc.c
@@ -1088,8 +1088,10 @@ static void drain_pages(unsigned int cpu)
 		pset = per_cpu_ptr(zone->pageset, cpu);
 
 		pcp = &pset->pcp;
-		free_pcppages_bulk(zone, pcp->count, pcp);
-		pcp->count = 0;
+		if (pcp->count) {
+			free_pcppages_bulk(zone, pcp->count, pcp);
+			pcp->count = 0;
+		}
 		local_irq_restore(flags);
 	}
 }
@@ -2034,6 +2036,14 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
 	 */
 	alloc_flags = gfp_to_alloc_flags(gfp_mask);
 
+	/*
+	 * Find the true preferred zone if the allocation is unconstrained by
+	 * cpusets.
+	 */
+	if (!(alloc_flags & ALLOC_CPUSET) && !nodemask)
+		first_zones_zonelist(zonelist, high_zoneidx, NULL,
+					&preferred_zone);
+
 	/* This is the last chance, in general, before the goto nopage. */
 	page = get_page_from_freelist(gfp_mask, nodemask, order, zonelist,
 			high_zoneidx, alloc_flags & ~ALLOC_NO_WATERMARKS,
@@ -2192,7 +2202,9 @@ __alloc_pages_nodemask(gfp_t gfp_mask, unsigned int order,
 
 	get_mems_allowed();
 	/* The preferred zone is used for statistics later */
-	first_zones_zonelist(zonelist, high_zoneidx, nodemask, &preferred_zone);
+	first_zones_zonelist(zonelist, high_zoneidx,
+				nodemask ? : &cpuset_current_mems_allowed,
+				&preferred_zone);
 	if (!preferred_zone) {
 		put_mems_allowed();
 		return NULL;
diff --git a/trunk/mm/pgtable-generic.c b/trunk/mm/pgtable-generic.c
index 0369f5b3ba1b..eb663fb533e0 100644
--- a/trunk/mm/pgtable-generic.c
+++ b/trunk/mm/pgtable-generic.c
@@ -6,6 +6,7 @@
  *  Copyright (C) 2010  Linus Torvalds
  */
 
+#include <linux/pagemap.h>
 #include <asm/tlb.h>
 #include <asm-generic/pgtable.h>
 
diff --git a/trunk/mm/vmscan.c b/trunk/mm/vmscan.c
index f5d90dedebba..148c6e630df2 100644
--- a/trunk/mm/vmscan.c
+++ b/trunk/mm/vmscan.c
@@ -2083,7 +2083,8 @@ static unsigned long do_try_to_free_pages(struct zonelist *zonelist,
 			struct zone *preferred_zone;
 
 			first_zones_zonelist(zonelist, gfp_zone(sc->gfp_mask),
-							NULL, &preferred_zone);
+						&cpuset_current_mems_allowed,
+						&preferred_zone);
 			wait_iff_congested(preferred_zone, BLK_RW_ASYNC, HZ/10);
 		}
 	}
diff --git a/trunk/security/keys/internal.h b/trunk/security/keys/internal.h
index edfa50dbd6f5..a52aa7c88b41 100644
--- a/trunk/security/keys/internal.h
+++ b/trunk/security/keys/internal.h
@@ -87,13 +87,13 @@ extern void key_type_put(struct key_type *ktype);
 extern int __key_link_begin(struct key *keyring,
 			    const struct key_type *type,
 			    const char *description,
-			    struct keyring_list **_prealloc);
+			    unsigned long *_prealloc);
 extern int __key_link_check_live_key(struct key *keyring, struct key *key);
 extern void __key_link(struct key *keyring, struct key *key,
-		       struct keyring_list **_prealloc);
+		       unsigned long *_prealloc);
 extern void __key_link_end(struct key *keyring,
 			   struct key_type *type,
-			   struct keyring_list *prealloc);
+			   unsigned long prealloc);
 
 extern key_ref_t __keyring_search_one(key_ref_t keyring_ref,
 				      const struct key_type *type,
diff --git a/trunk/security/keys/key.c b/trunk/security/keys/key.c
index 84d4eb568b08..1c2d43dc5107 100644
--- a/trunk/security/keys/key.c
+++ b/trunk/security/keys/key.c
@@ -415,7 +415,7 @@ static int __key_instantiate_and_link(struct key *key,
 				      size_t datalen,
 				      struct key *keyring,
 				      struct key *authkey,
-				      struct keyring_list **_prealloc)
+				      unsigned long *_prealloc)
 {
 	int ret, awaken;
 
@@ -481,7 +481,7 @@ int key_instantiate_and_link(struct key *key,
 			     struct key *keyring,
 			     struct key *authkey)
 {
-	struct keyring_list *prealloc;
+	unsigned long prealloc;
 	int ret;
 
 	if (keyring) {
@@ -526,7 +526,7 @@ int key_negate_and_link(struct key *key,
 			struct key *keyring,
 			struct key *authkey)
 {
-	struct keyring_list *prealloc;
+	unsigned long prealloc;
 	struct timespec now;
 	int ret, awaken, link_ret = 0;
 
@@ -814,7 +814,7 @@ key_ref_t key_create_or_update(key_ref_t keyring_ref,
 			       key_perm_t perm,
 			       unsigned long flags)
 {
-	struct keyring_list *prealloc;
+	unsigned long prealloc;
 	const struct cred *cred = current_cred();
 	struct key_type *ktype;
 	struct key *keyring, *key = NULL;
diff --git a/trunk/security/keys/keyring.c b/trunk/security/keys/keyring.c
index 92024ed12e0a..5620f084dede 100644
--- a/trunk/security/keys/keyring.c
+++ b/trunk/security/keys/keyring.c
@@ -25,6 +25,8 @@
 		(keyring)->payload.subscriptions,			\
 		rwsem_is_locked((struct rw_semaphore *)&(keyring)->sem)))
 
+#define KEY_LINK_FIXQUOTA 1UL
+
 /*
  * When plumbing the depths of the key tree, this sets a hard limit
  * set on how deep we're willing to go.
@@ -699,11 +701,11 @@ static void keyring_unlink_rcu_disposal(struct rcu_head *rcu)
  * Preallocate memory so that a key can be linked into to a keyring.
  */
 int __key_link_begin(struct key *keyring, const struct key_type *type,
-		     const char *description,
-		     struct keyring_list **_prealloc)
+		     const char *description, unsigned long *_prealloc)
 	__acquires(&keyring->sem)
 {
 	struct keyring_list *klist, *nklist;
+	unsigned long prealloc;
 	unsigned max;
 	size_t size;
 	int loop, ret;
@@ -746,6 +748,7 @@ int __key_link_begin(struct key *keyring, const struct key_type *type,
 
 				/* note replacement slot */
 				klist->delkey = nklist->delkey = loop;
+				prealloc = (unsigned long)nklist;
 				goto done;
 			}
 		}
@@ -760,6 +763,7 @@ int __key_link_begin(struct key *keyring, const struct key_type *type,
 	if (klist && klist->nkeys < klist->maxkeys) {
 		/* there's sufficient slack space to append directly */
 		nklist = NULL;
+		prealloc = KEY_LINK_FIXQUOTA;
 	} else {
 		/* grow the key list */
 		max = 4;
@@ -794,8 +798,9 @@ int __key_link_begin(struct key *keyring, const struct key_type *type,
 		nklist->keys[nklist->delkey] = NULL;
 	}
 
+	prealloc = (unsigned long)nklist | KEY_LINK_FIXQUOTA;
 done:
-	*_prealloc = nklist;
+	*_prealloc = prealloc;
 	kleave(" = 0");
 	return 0;
 
@@ -836,12 +841,12 @@ int __key_link_check_live_key(struct key *keyring, struct key *key)
  * combination.
  */
 void __key_link(struct key *keyring, struct key *key,
-		struct keyring_list **_prealloc)
+		unsigned long *_prealloc)
 {
 	struct keyring_list *klist, *nklist;
 
-	nklist = *_prealloc;
-	*_prealloc = NULL;
+	nklist = (struct keyring_list *)(*_prealloc & ~KEY_LINK_FIXQUOTA);
+	*_prealloc = 0;
 
 	kenter("%d,%d,%p", keyring->serial, key->serial, nklist);
 
@@ -881,20 +886,22 @@ void __key_link(struct key *keyring, struct key *key,
  * Must be called with __key_link_begin() having being called.
  */
 void __key_link_end(struct key *keyring, struct key_type *type,
-		    struct keyring_list *prealloc)
+		    unsigned long prealloc)
 	__releases(&keyring->sem)
 {
 	BUG_ON(type == NULL);
 	BUG_ON(type->name == NULL);
-	kenter("%d,%s,%p", keyring->serial, type->name, prealloc);
+	kenter("%d,%s,%lx", keyring->serial, type->name, prealloc);
 
 	if (type == &key_type_keyring)
 		up_write(&keyring_serialise_link_sem);
 
 	if (prealloc) {
-		kfree(prealloc);
-		key_payload_reserve(keyring,
-				    keyring->datalen - KEYQUOTA_LINK_BYTES);
+		if (prealloc & KEY_LINK_FIXQUOTA)
+			key_payload_reserve(keyring,
+					    keyring->datalen -
+					    KEYQUOTA_LINK_BYTES);
+		kfree((struct keyring_list *)(prealloc & ~KEY_LINK_FIXQUOTA));
 	}
 	up_write(&keyring->sem);
 }
@@ -921,7 +928,7 @@ void __key_link_end(struct key *keyring, struct key_type *type,
  */
 int key_link(struct key *keyring, struct key *key)
 {
-	struct keyring_list *prealloc;
+	unsigned long prealloc;
 	int ret;
 
 	key_check(keyring);
diff --git a/trunk/security/keys/request_key.c b/trunk/security/keys/request_key.c
index 9a7fb3914b27..a3dc0d460def 100644
--- a/trunk/security/keys/request_key.c
+++ b/trunk/security/keys/request_key.c
@@ -352,8 +352,8 @@ static int construct_alloc_key(struct key_type *type,
 			       struct key_user *user,
 			       struct key **_key)
 {
-	struct keyring_list *prealloc;
 	const struct cred *cred = current_cred();
+	unsigned long prealloc;
 	struct key *key;
 	key_ref_t key_ref;
 	int ret;
diff --git a/trunk/sound/arm/aaci.c b/trunk/sound/arm/aaci.c
index 91acc9a243ec..24d3013c0231 100644
--- a/trunk/sound/arm/aaci.c
+++ b/trunk/sound/arm/aaci.c
@@ -30,6 +30,8 @@
 
 #define DRIVER_NAME	"aaci-pl041"
 
+#define FRAME_PERIOD_US	21
+
 /*
  * PM support is not complete.  Turn it off.
  */
@@ -64,8 +66,8 @@ static void aaci_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
 			    unsigned short val)
 {
 	struct aaci *aaci = ac97->private_data;
+	int timeout;
 	u32 v;
-	int timeout = 5000;
 
 	if (ac97->num >= 4)
 		return;
@@ -81,14 +83,17 @@ static void aaci_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
 	writel(val << 4, aaci->base + AACI_SL2TX);
 	writel(reg << 12, aaci->base + AACI_SL1TX);
 
-	/*
-	 * Wait for the transmission of both slots to complete.
-	 */
+	/* Initially, wait one frame period */
+	udelay(FRAME_PERIOD_US);
+
+	/* And then wait an additional eight frame periods for it to be sent */
+	timeout = FRAME_PERIOD_US * 8;
 	do {
+		udelay(1);
 		v = readl(aaci->base + AACI_SLFR);
 	} while ((v & (SLFR_1TXB|SLFR_2TXB)) && --timeout);
 
-	if (!timeout)
+	if (v & (SLFR_1TXB|SLFR_2TXB))
 		dev_err(&aaci->dev->dev,
 			"timeout waiting for write to complete\n");
 
@@ -101,9 +106,8 @@ static void aaci_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
 static unsigned short aaci_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
 {
 	struct aaci *aaci = ac97->private_data;
+	int timeout, retries = 10;
 	u32 v;
-	int timeout = 5000;
-	int retries = 10;
 
 	if (ac97->num >= 4)
 		return ~0;
@@ -117,35 +121,34 @@ static unsigned short aaci_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
 	 */
 	writel((reg << 12) | (1 << 19), aaci->base + AACI_SL1TX);
 
-	/*
-	 * Wait for the transmission to complete.
-	 */
+	/* Initially, wait one frame period */
+	udelay(FRAME_PERIOD_US);
+
+	/* And then wait an additional eight frame periods for it to be sent */
+	timeout = FRAME_PERIOD_US * 8;
 	do {
+		udelay(1);
 		v = readl(aaci->base + AACI_SLFR);
 	} while ((v & SLFR_1TXB) && --timeout);
 
-	if (!timeout) {
+	if (v & SLFR_1TXB) {
 		dev_err(&aaci->dev->dev, "timeout on slot 1 TX busy\n");
 		v = ~0;
 		goto out;
 	}
 
-	/*
-	 * Give the AC'97 codec more than enough time
-	 * to respond. (42us = ~2 frames at 48kHz.)
-	 */
-	udelay(42);
+	/* Now wait for the response frame */
+	udelay(FRAME_PERIOD_US);
 
-	/*
-	 * Wait for slot 2 to indicate data.
-	 */
-	timeout = 5000;
+	/* And then wait an additional eight frame periods for data */
+	timeout = FRAME_PERIOD_US * 8;
 	do {
+		udelay(1);
 		cond_resched();
 		v = readl(aaci->base + AACI_SLFR) & (SLFR_1RXV|SLFR_2RXV);
 	} while ((v != (SLFR_1RXV|SLFR_2RXV)) && --timeout);
 
-	if (!timeout) {
+	if (v != (SLFR_1RXV|SLFR_2RXV)) {
 		dev_err(&aaci->dev->dev, "timeout on RX valid\n");
 		v = ~0;
 		goto out;
@@ -179,6 +182,7 @@ aaci_chan_wait_ready(struct aaci_runtime *aacirun, unsigned long mask)
 	int timeout = 5000;
 
 	do {
+		udelay(1);
 		val = readl(aacirun->base + AACI_SR);
 	} while (val & mask && timeout--);
 }
@@ -874,7 +878,7 @@ static int __devinit aaci_probe_ac97(struct aaci *aaci)
 	 * Give the AC'97 codec more than enough time
 	 * to wake up. (42us = ~2 frames at 48kHz.)
 	 */
-	udelay(42);
+	udelay(FRAME_PERIOD_US * 2);
 
 	ret = snd_ac97_bus(aaci->card, 0, &aaci_bus_ops, aaci, &ac97_bus);
 	if (ret)