Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into sh-latest

97 files changed, 576 insertions, 380 deletions

diff --git a/arch/alpha/include/asm/types.h b/arch/alpha/include/asm/types.h
index bd621ecd1eb3..e46e50382d28 100644
--- a/arch/alpha/include/asm/types.h
+++ b/arch/alpha/include/asm/types.h
@@ -27,7 +27,6 @@ typedef unsigned int umode_t;
 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
 
-typedef u64 dma_addr_t;
 typedef u64 dma64_addr_t;
 
 #endif /* __ASSEMBLY__ */
diff --git a/arch/arm/include/asm/types.h b/arch/arm/include/asm/types.h
index 345df01534a4..c684e3769f47 100644
--- a/arch/arm/include/asm/types.h
+++ b/arch/arm/include/asm/types.h
@@ -18,9 +18,6 @@ typedef unsigned short umode_t;
 
 #ifndef __ASSEMBLY__
 
-/* Dma addresses are 32-bits wide.  */
-
-typedef u32 dma_addr_t;
 typedef u32 dma64_addr_t;
 
 #endif /* __ASSEMBLY__ */
diff --git a/arch/arm/mach-mmp/include/mach/mmp2.h b/arch/arm/mach-mmp/include/mach/mmp2.h
index 4aec493640b4..2cbf6df09b82 100644
--- a/arch/arm/mach-mmp/include/mach/mmp2.h
+++ b/arch/arm/mach-mmp/include/mach/mmp2.h
@@ -11,8 +11,8 @@ extern void __init mmp2_init_irq(void);
 extern void mmp2_clear_pmic_int(void);
 
 #include <linux/i2c.h>
+#include <linux/i2c/pxa-i2c.h>
 #include <mach/devices.h>
-#include <plat/i2c.h>
 
 extern struct pxa_device_desc mmp2_device_uart1;
 extern struct pxa_device_desc mmp2_device_uart2;
diff --git a/arch/arm/mach-mmp/include/mach/pxa168.h b/arch/arm/mach-mmp/include/mach/pxa168.h
index 1801e4206232..a52b3d2f325c 100644
--- a/arch/arm/mach-mmp/include/mach/pxa168.h
+++ b/arch/arm/mach-mmp/include/mach/pxa168.h
@@ -8,8 +8,8 @@ extern void __init pxa168_init_irq(void);
 extern void pxa168_clear_keypad_wakeup(void);
 
 #include <linux/i2c.h>
+#include <linux/i2c/pxa-i2c.h>
 #include <mach/devices.h>
-#include <plat/i2c.h>
 #include <plat/pxa3xx_nand.h>
 #include <video/pxa168fb.h>
 #include <plat/pxa27x_keypad.h>
diff --git a/arch/arm/mach-mmp/include/mach/pxa910.h b/arch/arm/mach-mmp/include/mach/pxa910.h
index f13c49d6f8dc..91be75591398 100644
--- a/arch/arm/mach-mmp/include/mach/pxa910.h
+++ b/arch/arm/mach-mmp/include/mach/pxa910.h
@@ -7,8 +7,8 @@ extern struct sys_timer pxa910_timer;
 extern void __init pxa910_init_irq(void);
 
 #include <linux/i2c.h>
+#include <linux/i2c/pxa-i2c.h>
 #include <mach/devices.h>
-#include <plat/i2c.h>
 #include <plat/pxa3xx_nand.h>
 
 extern struct pxa_device_desc pxa910_device_uart1;
diff --git a/arch/arm/mach-mxs/include/mach/dma.h b/arch/arm/mach-mxs/include/mach/dma.h
new file mode 100644
index 000000000000..7f4aeeaba8df
--- /dev/null
+++ b/arch/arm/mach-mxs/include/mach/dma.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __MACH_MXS_DMA_H__
+#define __MACH_MXS_DMA_H__
+
+struct mxs_dma_data {
+	int chan_irq;
+};
+
+static inline int mxs_dma_is_apbh(struct dma_chan *chan)
+{
+	return !strcmp(dev_name(chan->device->dev), "mxs-dma-apbh");
+}
+
+static inline int mxs_dma_is_apbx(struct dma_chan *chan)
+{
+	return !strcmp(dev_name(chan->device->dev), "mxs-dma-apbx");
+}
+
+#endif /* __MACH_MXS_DMA_H__ */
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c
index e194d928cdaa..d2af73321dae 100644
--- a/arch/arm/mach-pxa/balloon3.c
+++ b/arch/arm/mach-pxa/balloon3.c
@@ -27,6 +27,7 @@
 #include <linux/mtd/partitions.h>
 #include <linux/types.h>
 #include <linux/i2c/pcf857x.h>
+#include <linux/i2c/pxa-i2c.h>
 #include <linux/mtd/nand.h>
 #include <linux/mtd/physmap.h>
 #include <linux/regulator/max1586.h>
@@ -51,8 +52,6 @@
 #include <mach/irda.h>
 #include <mach/ohci.h>
 
-#include <plat/i2c.h>
-
 #include "generic.h"
 #include "devices.h"
 
diff --git a/arch/arm/mach-pxa/cm-x300.c b/arch/arm/mach-pxa/cm-x300.c
index 7984268508b6..bfca7ed2fea3 100644
--- a/arch/arm/mach-pxa/cm-x300.c
+++ b/arch/arm/mach-pxa/cm-x300.c
@@ -29,6 +29,7 @@
 
 #include <linux/i2c.h>
 #include <linux/i2c/pca953x.h>
+#include <linux/i2c/pxa-i2c.h>
 
 #include <linux/mfd/da903x.h>
 #include <linux/regulator/machine.h>
@@ -48,7 +49,6 @@
 #include <mach/pxafb.h>
 #include <mach/mmc.h>
 #include <mach/ohci.h>
-#include <plat/i2c.h>
 #include <plat/pxa3xx_nand.h>
 #include <mach/audio.h>
 #include <mach/pxa3xx-u2d.h>
diff --git a/arch/arm/mach-pxa/colibri-evalboard.c b/arch/arm/mach-pxa/colibri-evalboard.c
index 28f667e52ef9..81c3c433e2d6 100644
--- a/arch/arm/mach-pxa/colibri-evalboard.c
+++ b/arch/arm/mach-pxa/colibri-evalboard.c
@@ -20,6 +20,7 @@
 #include <mach/hardware.h>
 #include <asm/mach/arch.h>
 #include <linux/i2c.h>
+#include <linux/i2c/pxa-i2c.h>
 
 #include <mach/pxa27x.h>
 #include <mach/colibri.h>
@@ -27,8 +28,6 @@
 #include <mach/ohci.h>
 #include <mach/pxa27x-udc.h>
 
-#include <plat/i2c.h>
-
 #include "generic.h"
 #include "devices.h"
 
diff --git a/arch/arm/mach-pxa/colibri-pxa270-income.c b/arch/arm/mach-pxa/colibri-pxa270-income.c
index 07b62a096f17..ee797397dc5b 100644
--- a/arch/arm/mach-pxa/colibri-pxa270-income.c
+++ b/arch/arm/mach-pxa/colibri-pxa270-income.c
@@ -21,6 +21,7 @@
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/pwm_backlight.h>
+#include <linux/i2c/pxa-i2c.h>
 #include <linux/sysdev.h>
 
 #include <asm/irq.h>
@@ -33,8 +34,6 @@
 #include <mach/pxa27x-udc.h>
 #include <mach/pxafb.h>
 
-#include <plat/i2c.h>
-
 #include "devices.h"
 #include "generic.h"
 
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index a5452a3a276d..d4e705caefea 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -24,6 +24,7 @@
 #include <linux/gpio.h>
 #include <linux/backlight.h>
 #include <linux/i2c.h>
+#include <linux/i2c/pxa-i2c.h>
 #include <linux/io.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/ads7846.h>
@@ -45,7 +46,6 @@
 #include <asm/mach/irq.h>
 
 #include <mach/pxa25x.h>
-#include <plat/i2c.h>
 #include <mach/irda.h>
 #include <mach/mmc.h>
 #include <mach/udc.h>
diff --git a/arch/arm/mach-pxa/csb726.c b/arch/arm/mach-pxa/csb726.c
index a305424a967d..0481c29a70e8 100644
--- a/arch/arm/mach-pxa/csb726.c
+++ b/arch/arm/mach-pxa/csb726.c
@@ -17,12 +17,12 @@
 #include <linux/mtd/partitions.h>
 #include <linux/sm501.h>
 #include <linux/smsc911x.h>
+#include <linux/i2c/pxa-i2c.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <mach/csb726.h>
 #include <mach/mfp-pxa27x.h>
-#include <plat/i2c.h>
 #include <mach/mmc.h>
 #include <mach/ohci.h>
 #include <mach/pxa2xx-regs.h>
diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c
index 4c766e3b4af3..c4bf08b3eb61 100644
--- a/arch/arm/mach-pxa/devices.c
+++ b/arch/arm/mach-pxa/devices.c
@@ -4,6 +4,7 @@
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
 #include <linux/spi/pxa2xx_spi.h>
+#include <linux/i2c/pxa-i2c.h>
 
 #include <asm/pmu.h>
 #include <mach/udc.h>
@@ -16,7 +17,6 @@
 #include <mach/camera.h>
 #include <mach/audio.h>
 #include <mach/hardware.h>
-#include <plat/i2c.h>
 #include <plat/pxa3xx_nand.h>
 
 #include "devices.h"
diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c
index a78bb3097739..b411d7cbf5a1 100644
--- a/arch/arm/mach-pxa/em-x270.c
+++ b/arch/arm/mach-pxa/em-x270.c
@@ -31,6 +31,7 @@
 #include <linux/apm-emulation.h>
 #include <linux/i2c.h>
 #include <linux/i2c/pca953x.h>
+#include <linux/i2c/pxa-i2c.h>
 #include <linux/regulator/userspace-consumer.h>
 
 #include <media/soc_camera.h>
@@ -45,7 +46,6 @@
 #include <mach/ohci.h>
 #include <mach/mmc.h>
 #include <plat/pxa27x_keypad.h>
-#include <plat/i2c.h>
 #include <mach/camera.h>
 
 #include "generic.h"
diff --git a/arch/arm/mach-pxa/ezx.c b/arch/arm/mach-pxa/ezx.c
index 87cec0abe5b0..93f05e024313 100644
--- a/arch/arm/mach-pxa/ezx.c
+++ b/arch/arm/mach-pxa/ezx.c
@@ -20,6 +20,7 @@
 #include <linux/gpio.h>
 #include <linux/gpio_keys.h>
 #include <linux/leds-lp3944.h>
+#include <linux/i2c/pxa-i2c.h>
 
 #include <media/soc_camera.h>
 
@@ -30,7 +31,6 @@
 #include <mach/pxa27x.h>
 #include <mach/pxafb.h>
 #include <mach/ohci.h>
-#include <plat/i2c.h>
 #include <mach/hardware.h>
 #include <plat/pxa27x_keypad.h>
 #include <mach/camera.h>
diff --git a/arch/arm/mach-pxa/hx4700.c b/arch/arm/mach-pxa/hx4700.c
index a908e0a5f396..6de0ad0eea65 100644
--- a/arch/arm/mach-pxa/hx4700.c
+++ b/arch/arm/mach-pxa/hx4700.c
@@ -35,6 +35,7 @@
 #include <linux/spi/spi.h>
 #include <linux/spi/pxa2xx_spi.h>
 #include <linux/usb/gpio_vbus.h>
+#include <linux/i2c/pxa-i2c.h>
 
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
@@ -42,7 +43,6 @@
 
 #include <mach/pxa27x.h>
 #include <mach/hx4700.h>
-#include <plat/i2c.h>
 #include <mach/irda.h>
 
 #include <video/platform_lcd.h>
diff --git a/arch/arm/mach-pxa/littleton.c b/arch/arm/mach-pxa/littleton.c
index ccb7bfad17ca..87c1ed9ccd2f 100644
--- a/arch/arm/mach-pxa/littleton.c
+++ b/arch/arm/mach-pxa/littleton.c
@@ -28,6 +28,7 @@
 #include <linux/leds.h>
 #include <linux/mfd/da903x.h>
 #include <linux/i2c/max732x.h>
+#include <linux/i2c/pxa-i2c.h>
 
 #include <asm/types.h>
 #include <asm/setup.h>
@@ -45,7 +46,6 @@
 #include <mach/mmc.h>
 #include <plat/pxa27x_keypad.h>
 #include <mach/littleton.h>
-#include <plat/i2c.h>
 #include <plat/pxa3xx_nand.h>
 
 #include "generic.h"
diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index 41198f0dc3ac..5535991c4a3c 100644
--- a/arch/arm/mach-pxa/magician.c
+++ b/arch/arm/mach-pxa/magician.c
@@ -28,6 +28,7 @@
 #include <linux/regulator/bq24022.h>
 #include <linux/regulator/machine.h>
 #include <linux/usb/gpio_vbus.h>
+#include <linux/i2c/pxa-i2c.h>
 
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
@@ -36,7 +37,6 @@
 #include <mach/pxa27x.h>
 #include <mach/magician.h>
 #include <mach/pxafb.h>
-#include <plat/i2c.h>
 #include <mach/mmc.h>
 #include <mach/irda.h>
 #include <mach/ohci.h>
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index d4b6f2375f2c..f9542220595a 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -27,6 +27,7 @@
 #include <linux/gpio_keys.h>
 #include <linux/pwm_backlight.h>
 #include <linux/smc91x.h>
+#include <linux/i2c/pxa-i2c.h>
 
 #include <asm/types.h>
 #include <asm/setup.h>
@@ -46,7 +47,6 @@
 #include <mach/mainstone.h>
 #include <mach/audio.h>
 #include <mach/pxafb.h>
-#include <plat/i2c.h>
 #include <mach/mmc.h>
 #include <mach/irda.h>
 #include <mach/ohci.h>
diff --git a/arch/arm/mach-pxa/mioa701.c b/arch/arm/mach-pxa/mioa701.c
index faafea3542fb..78d98a8607ec 100644
--- a/arch/arm/mach-pxa/mioa701.c
+++ b/arch/arm/mach-pxa/mioa701.c
@@ -39,6 +39,7 @@
 #include <linux/usb/gpio_vbus.h>
 #include <linux/regulator/max1586.h>
 #include <linux/slab.h>
+#include <linux/i2c/pxa-i2c.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -50,7 +51,6 @@
 #include <mach/mmc.h>
 #include <mach/udc.h>
 #include <mach/pxa27x-udc.h>
-#include <plat/i2c.h>
 #include <mach/camera.h>
 #include <mach/audio.h>
 #include <media/soc_camera.h>
diff --git a/arch/arm/mach-pxa/mxm8x10.c b/arch/arm/mach-pxa/mxm8x10.c
index cdf7f41e2bb3..b5a8fd3fce04 100644
--- a/arch/arm/mach-pxa/mxm8x10.c
+++ b/arch/arm/mach-pxa/mxm8x10.c
@@ -22,8 +22,8 @@
 #include <linux/serial_8250.h>
 #include <linux/dm9000.h>
 #include <linux/gpio.h>
+#include <linux/i2c/pxa-i2c.h>
 
-#include <plat/i2c.h>
 #include <plat/pxa3xx_nand.h>
 
 #include <mach/pxafb.h>
diff --git a/arch/arm/mach-pxa/palm27x.c b/arch/arm/mach-pxa/palm27x.c
index 35572c427fa8..72adb3ae2b43 100644
--- a/arch/arm/mach-pxa/palm27x.c
+++ b/arch/arm/mach-pxa/palm27x.c
@@ -22,6 +22,7 @@
 #include <linux/power_supply.h>
 #include <linux/usb/gpio_vbus.h>
 #include <linux/regulator/max1586.h>
+#include <linux/i2c/pxa-i2c.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -36,8 +37,6 @@
 #include <mach/palmasoc.h>
 #include <mach/palm27x.h>
 
-#include <plat/i2c.h>
-
 #include "generic.h"
 #include "devices.h"
 
diff --git a/arch/arm/mach-pxa/pcm990-baseboard.c b/arch/arm/mach-pxa/pcm990-baseboard.c
index 90820faa711a..9dbf3ccd4150 100644
--- a/arch/arm/mach-pxa/pcm990-baseboard.c
+++ b/arch/arm/mach-pxa/pcm990-baseboard.c
@@ -23,12 +23,12 @@
 #include <linux/irq.h>
 #include <linux/platform_device.h>
 #include <linux/i2c.h>
+#include <linux/i2c/pxa-i2c.h>
 #include <linux/pwm_backlight.h>
 
 #include <media/soc_camera.h>
 
 #include <asm/gpio.h>
-#include <plat/i2c.h>
 #include <mach/camera.h>
 #include <asm/mach/map.h>
 #include <mach/pxa27x.h>
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
index 4f0ff1ab623d..35353af345d5 100644
--- a/arch/arm/mach-pxa/poodle.c
+++ b/arch/arm/mach-pxa/poodle.c
@@ -23,6 +23,7 @@
 #include <linux/mtd/physmap.h>
 #include <linux/gpio.h>
 #include <linux/i2c.h>
+#include <linux/i2c/pxa-i2c.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/ads7846.h>
 #include <linux/spi/pxa2xx_spi.h>
@@ -44,7 +45,6 @@
 #include <mach/irda.h>
 #include <mach/poodle.h>
 #include <mach/pxafb.h>
-#include <plat/i2c.h>
 
 #include <asm/hardware/scoop.h>
 #include <asm/hardware/locomo.h>
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index 28b11be00b3f..1cb5d0f9723f 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -19,6 +19,7 @@
 #include <linux/sysdev.h>
 #include <linux/io.h>
 #include <linux/irq.h>
+#include <linux/i2c/pxa-i2c.h>
 
 #include <asm/mach/map.h>
 #include <mach/hardware.h>
@@ -32,8 +33,6 @@
 #include <mach/dma.h>
 #include <mach/smemc.h>
 
-#include <plat/i2c.h>
-
 #include "generic.h"
 #include "devices.h"
 #include "clock.h"
diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c
index 1230343d9c70..f374247b8466 100644
--- a/arch/arm/mach-pxa/pxa3xx.c
+++ b/arch/arm/mach-pxa/pxa3xx.c
@@ -21,6 +21,7 @@
 #include <linux/irq.h>
 #include <linux/io.h>
 #include <linux/sysdev.h>
+#include <linux/i2c/pxa-i2c.h>
 
 #include <asm/mach/map.h>
 #include <mach/hardware.h>
@@ -32,7 +33,6 @@
 #include <mach/dma.h>
 #include <mach/regs-intc.h>
 #include <mach/smemc.h>
-#include <plat/i2c.h>
 
 #include "generic.h"
 #include "devices.h"
diff --git a/arch/arm/mach-pxa/pxa95x.c b/arch/arm/mach-pxa/pxa95x.c
index 437980f72710..23b229bd06e9 100644
--- a/arch/arm/mach-pxa/pxa95x.c
+++ b/arch/arm/mach-pxa/pxa95x.c
@@ -15,6 +15,7 @@
 #include <linux/init.h>
 #include <linux/pm.h>
 #include <linux/platform_device.h>
+#include <linux/i2c/pxa-i2c.h>
 #include <linux/irq.h>
 #include <linux/io.h>
 #include <linux/sysdev.h>
@@ -27,7 +28,6 @@
 #include <mach/pm.h>
 #include <mach/dma.h>
 #include <mach/regs-intc.h>
-#include <plat/i2c.h>
 
 #include "generic.h"
 #include "devices.h"
diff --git a/arch/arm/mach-pxa/raumfeld.c b/arch/arm/mach-pxa/raumfeld.c
index 8361151be054..47094188e029 100644
--- a/arch/arm/mach-pxa/raumfeld.c
+++ b/arch/arm/mach-pxa/raumfeld.c
@@ -32,6 +32,7 @@
 #include <linux/sched.h>
 #include <linux/pwm_backlight.h>
 #include <linux/i2c.h>
+#include <linux/i2c/pxa-i2c.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/spi_gpio.h>
 #include <linux/lis3lv02d.h>
@@ -53,7 +54,6 @@
 #include <mach/ohci.h>
 #include <mach/pxafb.h>
 #include <mach/mmc.h>
-#include <plat/i2c.h>
 #include <plat/pxa3xx_nand.h>
 
 #include "generic.h"
diff --git a/arch/arm/mach-pxa/saar.c b/arch/arm/mach-pxa/saar.c
index c1ca8cb467fc..eb83c89428ef 100644
--- a/arch/arm/mach-pxa/saar.c
+++ b/arch/arm/mach-pxa/saar.c
@@ -20,6 +20,7 @@
 #include <linux/delay.h>
 #include <linux/fb.h>
 #include <linux/i2c.h>
+#include <linux/i2c/pxa-i2c.h>
 #include <linux/smc91x.h>
 #include <linux/mfd/da903x.h>
 #include <linux/mtd/mtd.h>
@@ -31,7 +32,6 @@
 #include <asm/mach/flash.h>
 
 #include <mach/pxa930.h>
-#include <plat/i2c.h>
 #include <mach/pxafb.h>
 
 #include "devices.h"
diff --git a/arch/arm/mach-pxa/saarb.c b/arch/arm/mach-pxa/saarb.c
index e497922f761a..9322fe527c7f 100644
--- a/arch/arm/mach-pxa/saarb.c
+++ b/arch/arm/mach-pxa/saarb.c
@@ -13,6 +13,7 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/i2c.h>
+#include <linux/i2c/pxa-i2c.h>
 #include <linux/mfd/88pm860x.h>
 
 #include <asm/mach-types.h>
@@ -24,8 +25,6 @@
 #include <mach/mfp-pxa930.h>
 #include <mach/gpio.h>
 
-#include <plat/i2c.h>
-
 #include "generic.h"
 
 #define SAARB_NR_IRQS	(IRQ_BOARD_START + 40)
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index b49a2c21124c..38e2c0912b9a 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -19,6 +19,7 @@
 #include <linux/gpio.h>
 #include <linux/leds.h>
 #include <linux/i2c.h>
+#include <linux/i2c/pxa-i2c.h>
 #include <linux/i2c/pca953x.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/ads7846.h>
@@ -47,8 +48,6 @@
 #include <mach/sharpsl_pm.h>
 #include <mach/smemc.h>
 
-#include <plat/i2c.h>
-
 #include "generic.h"
 #include "devices.h"
 
diff --git a/arch/arm/mach-pxa/stargate2.c b/arch/arm/mach-pxa/stargate2.c
index 9a14fdb83c82..cb5611daf5fe 100644
--- a/arch/arm/mach-pxa/stargate2.c
+++ b/arch/arm/mach-pxa/stargate2.c
@@ -25,6 +25,7 @@
 #include <linux/mtd/plat-ram.h>
 #include <linux/mtd/partitions.h>
 
+#include <linux/i2c/pxa-i2c.h>
 #include <linux/i2c/pcf857x.h>
 #include <linux/i2c/at24.h>
 #include <linux/smc91x.h>
@@ -43,7 +44,6 @@
 #include <asm/mach/flash.h>
 
 #include <mach/pxa27x.h>
-#include <plat/i2c.h>
 #include <mach/mmc.h>
 #include <mach/udc.h>
 #include <mach/pxa27x-udc.h>
diff --git a/arch/arm/mach-pxa/tavorevb3.c b/arch/arm/mach-pxa/tavorevb3.c
index 70191a9450eb..79f4422f12f4 100644
--- a/arch/arm/mach-pxa/tavorevb3.c
+++ b/arch/arm/mach-pxa/tavorevb3.c
@@ -15,6 +15,7 @@
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
 #include <linux/i2c.h>
+#include <linux/i2c/pxa-i2c.h>
 #include <linux/gpio.h>
 #include <linux/mfd/88pm860x.h>
 
@@ -23,8 +24,6 @@
 
 #include <mach/pxa930.h>
 
-#include <plat/i2c.h>
-
 #include "devices.h"
 #include "generic.h"
 
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index f2582ec300d9..5ad3807af334 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -34,6 +34,7 @@
 #include <linux/spi/spi.h>
 #include <linux/spi/pxa2xx_spi.h>
 #include <linux/input/matrix_keypad.h>
+#include <linux/i2c/pxa-i2c.h>
 
 #include <asm/setup.h>
 #include <asm/mach-types.h>
@@ -41,7 +42,6 @@
 #include <mach/pxa25x.h>
 #include <mach/reset.h>
 #include <mach/irda.h>
-#include <plat/i2c.h>
 #include <mach/mmc.h>
 #include <mach/udc.h>
 #include <mach/tosa_bt.h>
diff --git a/arch/arm/mach-pxa/trizeps4.c b/arch/arm/mach-pxa/trizeps4.c
index 423261d63d07..857bb2e63486 100644
--- a/arch/arm/mach-pxa/trizeps4.c
+++ b/arch/arm/mach-pxa/trizeps4.c
@@ -26,6 +26,7 @@
 #include <linux/dm9000.h>
 #include <linux/mtd/physmap.h>
 #include <linux/mtd/partitions.h>
+#include <linux/i2c/pxa-i2c.h>
 
 #include <asm/types.h>
 #include <asm/setup.h>
@@ -47,7 +48,6 @@
 #include <mach/irda.h>
 #include <mach/ohci.h>
 #include <mach/smemc.h>
-#include <plat/i2c.h>
 
 #include "generic.h"
 #include "devices.h"
diff --git a/arch/arm/mach-pxa/viper.c b/arch/arm/mach-pxa/viper.c
index 49eeeab23689..12279214c875 100644
--- a/arch/arm/mach-pxa/viper.c
+++ b/arch/arm/mach-pxa/viper.c
@@ -36,6 +36,7 @@
 #include <linux/gpio.h>
 #include <linux/jiffies.h>
 #include <linux/i2c-gpio.h>
+#include <linux/i2c/pxa-i2c.h>
 #include <linux/serial_8250.h>
 #include <linux/smc91x.h>
 #include <linux/pwm_backlight.h>
@@ -47,7 +48,6 @@
 #include <mach/pxa25x.h>
 #include <mach/audio.h>
 #include <mach/pxafb.h>
-#include <plat/i2c.h>
 #include <mach/regs-uart.h>
 #include <mach/arcom-pcmcia.h>
 #include <mach/viper.h>
diff --git a/arch/arm/mach-pxa/vpac270.c b/arch/arm/mach-pxa/vpac270.c
index b9b579715ff6..e709fd459268 100644
--- a/arch/arm/mach-pxa/vpac270.c
+++ b/arch/arm/mach-pxa/vpac270.c
@@ -26,6 +26,7 @@
 #include <linux/ucb1400.h>
 #include <linux/ata_platform.h>
 #include <linux/regulator/max1586.h>
+#include <linux/i2c/pxa-i2c.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -40,8 +41,6 @@
 #include <mach/udc.h>
 #include <mach/pata_pxa.h>
 
-#include <plat/i2c.h>
-
 #include "generic.h"
 #include "devices.h"
 
diff --git a/arch/arm/mach-pxa/xcep.c b/arch/arm/mach-pxa/xcep.c
index 51c0281c6e0a..f55f8f2e0db3 100644
--- a/arch/arm/mach-pxa/xcep.c
+++ b/arch/arm/mach-pxa/xcep.c
@@ -16,6 +16,7 @@
 
 #include <linux/platform_device.h>
 #include <linux/i2c.h>
+#include <linux/i2c/pxa-i2c.h>
 #include <linux/smc91x.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
@@ -26,8 +27,6 @@
 #include <asm/mach/irq.h>
 #include <asm/mach/map.h>
 
-#include <plat/i2c.h>
-
 #include <mach/hardware.h>
 #include <mach/pxa2xx-regs.h>
 #include <mach/mfp-pxa25x.h>
diff --git a/arch/arm/mach-pxa/z2.c b/arch/arm/mach-pxa/z2.c
index a323e076129e..aaf883754ef4 100644
--- a/arch/arm/mach-pxa/z2.c
+++ b/arch/arm/mach-pxa/z2.c
@@ -29,6 +29,7 @@
 #include <linux/gpio_keys.h>
 #include <linux/delay.h>
 #include <linux/regulator/machine.h>
+#include <linux/i2c/pxa-i2c.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -40,8 +41,6 @@
 #include <mach/mmc.h>
 #include <plat/pxa27x_keypad.h>
 
-#include <plat/i2c.h>
-
 #include "generic.h"
 #include "devices.h"
 
diff --git a/arch/arm/mach-pxa/zeus.c b/arch/arm/mach-pxa/zeus.c
index b92aa3b8c4f7..730f51e57c17 100644
--- a/arch/arm/mach-pxa/zeus.c
+++ b/arch/arm/mach-pxa/zeus.c
@@ -25,6 +25,7 @@
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/physmap.h>
 #include <linux/i2c.h>
+#include <linux/i2c/pxa-i2c.h>
 #include <linux/i2c/pca953x.h>
 #include <linux/apm-emulation.h>
 #include <linux/can/platform/mcp251x.h>
@@ -33,8 +34,6 @@
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 
-#include <plat/i2c.h>
-
 #include <mach/pxa2xx-regs.h>
 #include <mach/regs-uart.h>
 #include <mach/ohci.h>
diff --git a/arch/arm/mach-pxa/zylonite_pxa300.c b/arch/arm/mach-pxa/zylonite_pxa300.c
index 3aa73b3e33f2..93c64d8d7de9 100644
--- a/arch/arm/mach-pxa/zylonite_pxa300.c
+++ b/arch/arm/mach-pxa/zylonite_pxa300.c
@@ -17,11 +17,11 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/i2c.h>
+#include <linux/i2c/pxa-i2c.h>
 #include <linux/i2c/pca953x.h>
 #include <linux/gpio.h>
 
 #include <mach/pxa300.h>
-#include <plat/i2c.h>
 #include <mach/zylonite.h>
 
 #include "generic.h"
diff --git a/arch/arm/mach-s3c2410/h1940-bluetooth.c b/arch/arm/mach-s3c2410/h1940-bluetooth.c
index 6b86a722a7db..2c126bbca08d 100644
--- a/arch/arm/mach-s3c2410/h1940-bluetooth.c
+++ b/arch/arm/mach-s3c2410/h1940-bluetooth.c
@@ -18,12 +18,14 @@
 #include <linux/leds.h>
 #include <linux/gpio.h>
 #include <linux/rfkill.h>
+#include <linux/leds.h>
 
 #include <mach/regs-gpio.h>
 #include <mach/hardware.h>
 #include <mach/h1940-latch.h>
+#include <mach/h1940.h>
 
-#define DRV_NAME              "h1940-bt"
+#define DRV_NAME "h1940-bt"
 
 /* Bluetooth control */
 static void h1940bt_enable(int on)
@@ -37,6 +39,8 @@ static void h1940bt_enable(int on)
 		gpio_set_value(S3C2410_GPH(1), 1);
 		mdelay(10);
 		gpio_set_value(S3C2410_GPH(1), 0);
+
+		h1940_led_blink_set(-EINVAL, GPIO_LED_BLINK, NULL, NULL);
 	}
 	else {
 		gpio_set_value(S3C2410_GPH(1), 1);
@@ -44,6 +48,8 @@ static void h1940bt_enable(int on)
 		gpio_set_value(S3C2410_GPH(1), 0);
 		mdelay(10);
 		gpio_set_value(H1940_LATCH_BLUETOOTH_POWER, 0);
+
+		h1940_led_blink_set(-EINVAL, GPIO_LED_NO_BLINK_LOW, NULL, NULL);
 	}
 }
 
@@ -85,7 +91,6 @@ static int __devinit h1940bt_probe(struct platform_device *pdev)
 	s3c_gpio_cfgpin(S3C2410_GPH(3), S3C2410_GPH3_RXD0);
 	s3c_gpio_setpull(S3C2410_GPH(3), S3C_GPIO_PULL_NONE);
 
-
 	rfk = rfkill_alloc(DRV_NAME, &pdev->dev, RFKILL_TYPE_BLUETOOTH,
 			&h1940bt_rfkill_ops, NULL);
 	if (!rfk) {
@@ -93,8 +98,6 @@ static int __devinit h1940bt_probe(struct platform_device *pdev)
 		goto err_rfk_alloc;
 	}
 
-	rfkill_set_led_trigger_name(rfk, "h1940-bluetooth");
-
 	ret = rfkill_register(rfk);
 	if (ret)
 		goto err_rfkill;
diff --git a/arch/arm/mach-s3c2410/include/mach/h1940.h b/arch/arm/mach-s3c2410/include/mach/h1940.h
index 4559784129c0..2aa683c8d3d6 100644
--- a/arch/arm/mach-s3c2410/include/mach/h1940.h
+++ b/arch/arm/mach-s3c2410/include/mach/h1940.h
@@ -17,5 +17,8 @@
 #define H1940_SUSPEND_CHECK		(0x30080000)
 
 extern void h1940_pm_return(void);
+extern int h1940_led_blink_set(unsigned gpio, int state,
+	unsigned long *delay_on, unsigned long *delay_off);
+
 
 #endif /* __ASM_ARCH_H1940_H */
diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c
index 1e93f176c1de..2a2fa0620133 100644
--- a/arch/arm/mach-s3c2410/mach-h1940.c
+++ b/arch/arm/mach-s3c2410/mach-h1940.c
@@ -23,8 +23,15 @@
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
 #include <linux/pwm_backlight.h>
 #include <linux/i2c.h>
+#include <linux/leds.h>
+#include <linux/pda_power.h>
+#include <linux/s3c_adc_battery.h>
+#include <linux/delay.h>
+
 #include <video/platform_lcd.h>
 
 #include <linux/mmc/host.h>
@@ -203,20 +210,239 @@ static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
 	.num_displays = 1,
 	.default_display = 0,
 
-	.lpcsel=	0x02,
-	.gpccon=	0xaa940659,
-	.gpccon_mask=	0xffffffff,
-	.gpcup=		0x0000ffff,
-	.gpcup_mask=	0xffffffff,
-	.gpdcon=	0xaa84aaa0,
-	.gpdcon_mask=	0xffffffff,
-	.gpdup=		0x0000faff,
-	.gpdup_mask=	0xffffffff,
+	.lpcsel =	0x02,
+	.gpccon =	0xaa940659,
+	.gpccon_mask =	0xffffc0f0,
+	.gpcup =	0x0000ffff,
+	.gpcup_mask =	0xffffffff,
+	.gpdcon =	0xaa84aaa0,
+	.gpdcon_mask =	0xffffffff,
+	.gpdup =	0x0000faff,
+	.gpdup_mask =	0xffffffff,
 };
 
-static struct platform_device h1940_device_leds = {
-	.name             = "h1940-leds",
+static int power_supply_init(struct device *dev)
+{
+	return gpio_request(S3C2410_GPF(2), "cable plugged");
+}
+
+static int h1940_is_ac_online(void)
+{
+	return !gpio_get_value(S3C2410_GPF(2));
+}
+
+static void power_supply_exit(struct device *dev)
+{
+	gpio_free(S3C2410_GPF(2));
+}
+
+static char *h1940_supplicants[] = {
+	"main-battery",
+	"backup-battery",
+};
+
+static struct pda_power_pdata power_supply_info = {
+	.init			= power_supply_init,
+	.is_ac_online		= h1940_is_ac_online,
+	.exit			= power_supply_exit,
+	.supplied_to		= h1940_supplicants,
+	.num_supplicants	= ARRAY_SIZE(h1940_supplicants),
+};
+
+static struct resource power_supply_resources[] = {
+	[0] = {
+			.name	= "ac",
+			.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE |
+					  IORESOURCE_IRQ_HIGHEDGE,
+			.start	= IRQ_EINT2,
+			.end	= IRQ_EINT2,
+	},
+};
+
+static struct platform_device power_supply = {
+	.name		= "pda-power",
+	.id		= -1,
+	.dev		= {
+				.platform_data =
+					&power_supply_info,
+	},
+	.resource	= power_supply_resources,
+	.num_resources	= ARRAY_SIZE(power_supply_resources),
+};
+
+static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
+	{ .volt = 4070, .cur = 162, .level = 100},
+	{ .volt = 4040, .cur = 165, .level = 95},
+	{ .volt = 4016, .cur = 164, .level = 90},
+	{ .volt = 3996, .cur = 166, .level = 85},
+	{ .volt = 3971, .cur = 168, .level = 80},
+	{ .volt = 3951, .cur = 168, .level = 75},
+	{ .volt = 3931, .cur = 170, .level = 70},
+	{ .volt = 3903, .cur = 172, .level = 65},
+	{ .volt = 3886, .cur = 172, .level = 60},
+	{ .volt = 3858, .cur = 176, .level = 55},
+	{ .volt = 3842, .cur = 176, .level = 50},
+	{ .volt = 3818, .cur = 176, .level = 45},
+	{ .volt = 3789, .cur = 180, .level = 40},
+	{ .volt = 3769, .cur = 180, .level = 35},
+	{ .volt = 3749, .cur = 184, .level = 30},
+	{ .volt = 3732, .cur = 184, .level = 25},
+	{ .volt = 3716, .cur = 184, .level = 20},
+	{ .volt = 3708, .cur = 184, .level = 15},
+	{ .volt = 3716, .cur = 96, .level = 10},
+	{ .volt = 3700, .cur = 96, .level = 5},
+	{ .volt = 3684, .cur = 96, .level = 0},
+};
+
+static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
+	{ .volt = 4130, .cur = 0, .level = 100},
+	{ .volt = 3982, .cur = 0, .level = 50},
+	{ .volt = 3854, .cur = 0, .level = 10},
+	{ .volt = 3841, .cur = 0, .level = 0},
+};
+
+int h1940_bat_init(void)
+{
+	int ret;
+
+	ret = gpio_request(H1940_LATCH_SM803_ENABLE, "h1940-charger-enable");
+	if (ret)
+		return ret;
+	gpio_direction_output(H1940_LATCH_SM803_ENABLE, 0);
+
+	return 0;
+
+}
+
+void h1940_bat_exit(void)
+{
+	gpio_free(H1940_LATCH_SM803_ENABLE);
+}
+
+void h1940_enable_charger(void)
+{
+	gpio_set_value(H1940_LATCH_SM803_ENABLE, 1);
+}
+
+void h1940_disable_charger(void)
+{
+	gpio_set_value(H1940_LATCH_SM803_ENABLE, 0);
+}
+
+static struct s3c_adc_bat_pdata h1940_bat_cfg = {
+	.init = h1940_bat_init,
+	.exit = h1940_bat_exit,
+	.enable_charger = h1940_enable_charger,
+	.disable_charger = h1940_disable_charger,
+	.gpio_charge_finished = S3C2410_GPF(3),
+	.gpio_inverted = 1,
+	.lut_noac = bat_lut_noac,
+	.lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
+	.lut_acin = bat_lut_acin,
+	.lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
+	.volt_channel = 0,
+	.current_channel = 1,
+	.volt_mult = 4056,
+	.current_mult = 1893,
+	.internal_impedance = 200,
+	.backup_volt_channel = 3,
+	/* TODO Check backup volt multiplier */
+	.backup_volt_mult = 4056,
+	.backup_volt_min = 0,
+	.backup_volt_max = 4149288
+};
+
+static struct platform_device h1940_battery = {
+	.name             = "s3c-adc-battery",
 	.id               = -1,
+	.dev = {
+		.parent = &s3c_device_adc.dev,
+		.platform_data = &h1940_bat_cfg,
+	},
+};
+
+DEFINE_SPINLOCK(h1940_blink_spin);
+
+int h1940_led_blink_set(unsigned gpio, int state,
+	unsigned long *delay_on, unsigned long *delay_off)
+{
+	int blink_gpio, check_gpio1, check_gpio2;
+
+	switch (gpio) {
+	case H1940_LATCH_LED_GREEN:
+		blink_gpio = S3C2410_GPA(7);
+		check_gpio1 = S3C2410_GPA(1);
+		check_gpio2 = S3C2410_GPA(3);
+		break;
+	case H1940_LATCH_LED_RED:
+		blink_gpio = S3C2410_GPA(1);
+		check_gpio1 = S3C2410_GPA(7);
+		check_gpio2 = S3C2410_GPA(3);
+		break;
+	default:
+		blink_gpio = S3C2410_GPA(3);
+		check_gpio1 = S3C2410_GPA(1);
+		check_gpio1 = S3C2410_GPA(7);
+		break;
+	}
+
+	if (delay_on && delay_off && !*delay_on && !*delay_off)
+		*delay_on = *delay_off = 500;
+
+	spin_lock(&h1940_blink_spin);
+
+	switch (state) {
+	case GPIO_LED_NO_BLINK_LOW:
+	case GPIO_LED_NO_BLINK_HIGH:
+		if (!gpio_get_value(check_gpio1) &&
+		    !gpio_get_value(check_gpio2))
+			gpio_set_value(H1940_LATCH_LED_FLASH, 0);
+		gpio_set_value(blink_gpio, 0);
+		if (gpio_is_valid(gpio))
+			gpio_set_value(gpio, state);
+		break;
+	case GPIO_LED_BLINK:
+		if (gpio_is_valid(gpio))
+			gpio_set_value(gpio, 0);
+		gpio_set_value(H1940_LATCH_LED_FLASH, 1);
+		gpio_set_value(blink_gpio, 1);
+		break;
+	}
+
+	spin_unlock(&h1940_blink_spin);
+
+	return 0;
+}
+EXPORT_SYMBOL(h1940_led_blink_set);
+
+static struct gpio_led h1940_leds_desc[] = {
+	{
+		.name			= "Green",
+		.default_trigger	= "main-battery-full",
+		.gpio			= H1940_LATCH_LED_GREEN,
+		.retain_state_suspended	= 1,
+	},
+	{
+		.name			= "Red",
+		.default_trigger
+			= "main-battery-charging-blink-full-solid",
+		.gpio			= H1940_LATCH_LED_RED,
+		.retain_state_suspended	= 1,
+	},
+};
+
+static struct gpio_led_platform_data h1940_leds_pdata = {
+	.num_leds	= ARRAY_SIZE(h1940_leds_desc),
+	.leds		= h1940_leds_desc,
+	.gpio_blink_set	= h1940_led_blink_set,
+};
+
+static struct platform_device h1940_device_leds = {
+	.name	= "leds-gpio",
+	.id	= -1,
+	.dev	= {
+			.platform_data = &h1940_leds_pdata,
+	},
 };
 
 static struct platform_device h1940_device_bluetooth = {
@@ -302,14 +528,14 @@ static struct platform_device h1940_backlight = {
 static void h1940_lcd_power_set(struct plat_lcd_data *pd,
 					unsigned int power)
 {
-	int value;
+	int value, retries = 100;
 
 	if (!power) {
 		gpio_set_value(S3C2410_GPC(0), 0);
 		/* wait for 3ac */
 		do {
 			value = gpio_get_value(S3C2410_GPC(6));
-		} while (value);
+		} while (value && retries--);
 
 		gpio_set_value(H1940_LATCH_LCD_P2, 0);
 		gpio_set_value(H1940_LATCH_LCD_P3, 0);
@@ -327,6 +553,9 @@ static void h1940_lcd_power_set(struct plat_lcd_data *pd,
 		gpio_set_value(H1940_LATCH_LCD_P0, 1);
 		gpio_set_value(H1940_LATCH_LCD_P1, 1);
 
+		gpio_direction_input(S3C2410_GPC(1));
+		gpio_direction_input(S3C2410_GPC(4));
+		mdelay(10);
 		s3c_gpio_cfgpin(S3C2410_GPC(1), S3C_GPIO_SFN(2));
 		s3c_gpio_cfgpin(S3C2410_GPC(4), S3C_GPIO_SFN(2));
 
@@ -362,7 +591,44 @@ static struct i2c_board_info h1940_i2c_devices[] = {
 	},
 };
 
+#define DECLARE_BUTTON(p, k, n, w)	\
+	{				\
+		.gpio		= p,	\
+		.code		= k,	\
+		.desc		= n,	\
+		.wakeup		= w,	\
+		.active_low	= 1,	\
+	}
+
+static struct gpio_keys_button h1940_buttons[] = {
+	DECLARE_BUTTON(S3C2410_GPF(0),       KEY_POWER,          "Power", 1),
+	DECLARE_BUTTON(S3C2410_GPF(6),       KEY_ENTER,         "Select", 1),
+	DECLARE_BUTTON(S3C2410_GPF(7),      KEY_RECORD,         "Record", 0),
+	DECLARE_BUTTON(S3C2410_GPG(0),         KEY_F11,       "Calendar", 0),
+	DECLARE_BUTTON(S3C2410_GPG(2),         KEY_F12,       "Contacts", 0),
+	DECLARE_BUTTON(S3C2410_GPG(3),        KEY_MAIL,           "Mail", 0),
+	DECLARE_BUTTON(S3C2410_GPG(6),        KEY_LEFT,     "Left_arrow", 0),
+	DECLARE_BUTTON(S3C2410_GPG(7),    KEY_HOMEPAGE,           "Home", 0),
+	DECLARE_BUTTON(S3C2410_GPG(8),       KEY_RIGHT,    "Right_arrow", 0),
+	DECLARE_BUTTON(S3C2410_GPG(9),          KEY_UP,       "Up_arrow", 0),
+	DECLARE_BUTTON(S3C2410_GPG(10),       KEY_DOWN,     "Down_arrow", 0),
+};
+
+static struct gpio_keys_platform_data h1940_buttons_data = {
+	.buttons	= h1940_buttons,
+	.nbuttons	= ARRAY_SIZE(h1940_buttons),
+};
+
+static struct platform_device h1940_dev_buttons = {
+	.name		= "gpio-keys",
+	.id		= -1,
+	.dev		= {
+		.platform_data  = &h1940_buttons_data,
+	}
+};
+
 static struct platform_device *h1940_devices[] __initdata = {
+	&h1940_dev_buttons,
 	&s3c_device_ohci,
 	&s3c_device_lcd,
 	&s3c_device_wdt,
@@ -379,6 +645,8 @@ static struct platform_device *h1940_devices[] __initdata = {
 	&h1940_lcd_powerdev,
 	&s3c_device_adc,
 	&s3c_device_ts,
+	&power_supply,
+	&h1940_battery,
 };
 
 static void __init h1940_map_io(void)
@@ -461,6 +729,15 @@ static void __init h1940_init(void)
 
 	platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
 
+	gpio_request(S3C2410_GPA(1), "Red LED blink");
+	gpio_request(S3C2410_GPA(3), "Blue LED blink");
+	gpio_request(S3C2410_GPA(7), "Green LED blink");
+	gpio_request(H1940_LATCH_LED_FLASH, "LED blink");
+	gpio_direction_output(S3C2410_GPA(1), 0);
+	gpio_direction_output(S3C2410_GPA(3), 0);
+	gpio_direction_output(S3C2410_GPA(7), 0);
+	gpio_direction_output(H1940_LATCH_LED_FLASH, 0);
+
 	i2c_register_board_info(0, h1940_i2c_devices,
 		ARRAY_SIZE(h1940_i2c_devices));
 }
diff --git a/arch/arm/mach-s3c2440/mach-mini2440.c b/arch/arm/mach-s3c2440/mach-mini2440.c
index d80f129bca94..dfedc9c9e005 100644
--- a/arch/arm/mach-s3c2440/mach-mini2440.c
+++ b/arch/arm/mach-s3c2440/mach-mini2440.c
@@ -488,6 +488,11 @@ static struct i2c_board_info mini2440_i2c_devs[] __initdata = {
 	},
 };
 
+static struct platform_device uda1340_codec = {
+		.name = "uda134x-codec",
+		.id = -1,
+};
+
 static struct platform_device *mini2440_devices[] __initdata = {
 	&s3c_device_ohci,
 	&s3c_device_wdt,
@@ -503,7 +508,9 @@ static struct platform_device *mini2440_devices[] __initdata = {
 	&s3c_device_nand,
 	&s3c_device_sdi,
 	&s3c_device_iis,
+	&uda1340_codec,
 	&mini2440_audio,
+	&samsung_asoc_dma,
 };
 
 static void __init mini2440_map_io(void)
diff --git a/arch/arm/mach-s3c2440/mach-rx1950.c b/arch/arm/mach-s3c2440/mach-rx1950.c
index 86bbc233b31c..27ea95096fe1 100644
--- a/arch/arm/mach-s3c2440/mach-rx1950.c
+++ b/arch/arm/mach-s3c2440/mach-rx1950.c
@@ -263,27 +263,78 @@ void rx1950_disable_charger(void)
 	gpio_direction_output(S3C2410_GPJ(3), 0);
 }
 
+DEFINE_SPINLOCK(rx1950_blink_spin);
+
+static int rx1950_led_blink_set(unsigned gpio, int state,
+	unsigned long *delay_on, unsigned long *delay_off)
+{
+	int blink_gpio, check_gpio;
+
+	switch (gpio) {
+	case S3C2410_GPA(6):
+		blink_gpio = S3C2410_GPA(4);
+		check_gpio = S3C2410_GPA(3);
+		break;
+	case S3C2410_GPA(7):
+		blink_gpio = S3C2410_GPA(3);
+		check_gpio = S3C2410_GPA(4);
+		break;
+	default:
+		return -EINVAL;
+		break;
+	}
+
+	if (delay_on && delay_off && !*delay_on && !*delay_off)
+		*delay_on = *delay_off = 500;
+
+	spin_lock(&rx1950_blink_spin);
+
+	switch (state) {
+	case GPIO_LED_NO_BLINK_LOW:
+	case GPIO_LED_NO_BLINK_HIGH:
+		if (!gpio_get_value(check_gpio))
+			gpio_set_value(S3C2410_GPJ(6), 0);
+		gpio_set_value(blink_gpio, 0);
+		gpio_set_value(gpio, state);
+		break;
+	case GPIO_LED_BLINK:
+		gpio_set_value(gpio, 0);
+		gpio_set_value(S3C2410_GPJ(6), 1);
+		gpio_set_value(blink_gpio, 1);
+		break;
+	}
+
+	spin_unlock(&rx1950_blink_spin);
+
+	return 0;
+}
+
 static struct gpio_led rx1950_leds_desc[] = {
 	{
-		.name				= "Green",
-		.default_trigger	= "main-battery-charging-or-full",
-		.gpio				= S3C2410_GPA(6),
+		.name			= "Green",
+		.default_trigger	= "main-battery-full",
+		.gpio			= S3C2410_GPA(6),
+		.retain_state_suspended	= 1,
 	},
 	{
-		.name				= "Red",
-		.default_trigger	= "main-battery-full",
-		.gpio				= S3C2410_GPA(7),
+		.name			= "Red",
+		.default_trigger
+			= "main-battery-charging-blink-full-solid",
+		.gpio			= S3C2410_GPA(7),
+		.retain_state_suspended	= 1,
 	},
 	{
-		.name				= "Blue",
+		.name			= "Blue",
 		.default_trigger	= "rx1950-acx-mem",
-		.gpio				= S3C2410_GPA(11),
+		.gpio			= S3C2410_GPA(11),
+		.retain_state_suspended	= 1,
 	},
 };
 
 static struct gpio_led_platform_data rx1950_leds_pdata = {
 	.num_leds	= ARRAY_SIZE(rx1950_leds_desc),
 	.leds		= rx1950_leds_desc,
+	.gpio_blink_set	= rx1950_led_blink_set,
 };
 
 static struct platform_device rx1950_leds = {
@@ -752,6 +803,13 @@ static void __init rx1950_init_machine(void)
 
 	WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
 
+	WARN_ON(gpio_request(S3C2410_GPA(3), "Red blink"));
+	WARN_ON(gpio_request(S3C2410_GPA(4), "Green blink"));
+	WARN_ON(gpio_request(S3C2410_GPJ(6), "LED blink"));
+	gpio_direction_output(S3C2410_GPA(3), 0);
+	gpio_direction_output(S3C2410_GPA(4), 0);
+	gpio_direction_output(S3C2410_GPJ(6), 0);
+
 	platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
 
 	i2c_register_board_info(0, rx1950_i2c_devices,
diff --git a/arch/arm/plat-nomadik/include/plat/ste_dma40.h b/arch/arm/plat-nomadik/include/plat/ste_dma40.h
index 4d6dd4c39b75..c44886062f8e 100644
--- a/arch/arm/plat-nomadik/include/plat/ste_dma40.h
+++ b/arch/arm/plat-nomadik/include/plat/ste_dma40.h
@@ -104,6 +104,8 @@ struct stedma40_half_channel_info {
  *
  * @dir: MEM 2 MEM, PERIPH 2 MEM , MEM 2 PERIPH, PERIPH 2 PERIPH
  * @high_priority: true if high-priority
+ * @realtime: true if realtime mode is to be enabled.  Only available on DMA40
+ * version 3+, i.e DB8500v2+
  * @mode: channel mode: physical, logical, or operation
  * @mode_opt: options for the chosen channel mode
  * @src_dev_type: Src device type
@@ -119,6 +121,7 @@ struct stedma40_half_channel_info {
 struct stedma40_chan_cfg {
 	enum stedma40_xfer_dir			 dir;
 	bool					 high_priority;
+	bool					 realtime;
 	enum stedma40_mode			 mode;
 	enum stedma40_mode_opt			 mode_opt;
 	int					 src_dev_type;
@@ -169,25 +172,6 @@ struct stedma40_platform_data {
 bool stedma40_filter(struct dma_chan *chan, void *data);
 
 /**
- * stedma40_memcpy_sg() - extension of the dma framework, memcpy to/from
- * scattergatter lists.
- *
- * @chan: dmaengine handle
- * @sgl_dst: Destination scatter list
- * @sgl_src: Source scatter list
- * @sgl_len: The length of each scatterlist. Both lists must be of equal length
- * and each element must match the corresponding element in the other scatter
- * list.
- * @flags: is actually enum dma_ctrl_flags. See dmaengine.h
- */
-
-struct dma_async_tx_descriptor *stedma40_memcpy_sg(struct dma_chan *chan,
-						   struct scatterlist *sgl_dst,
-						   struct scatterlist *sgl_src,
-						   unsigned int sgl_len,
-						   unsigned long flags);
-
-/**
  * stedma40_slave_mem() - Transfers a raw data buffer to or from a slave
  * (=device)
  *
diff --git a/arch/arm/plat-pxa/include/plat/i2c.h b/arch/arm/plat-pxa/include/plat/i2c.h
deleted file mode 100644
index 1a9f65e6ec0f..000000000000
--- a/arch/arm/plat-pxa/include/plat/i2c.h
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- *  i2c_pxa.h
- *
- *  Copyright (C) 2002 Intrinsyc Software Inc.
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 2 as
- *  published by the Free Software Foundation.
- *
- */
-#ifndef _I2C_PXA_H_
-#define _I2C_PXA_H_
-
-#if 0
-#define DEF_TIMEOUT             3
-#else
-/* need a longer timeout if we're dealing with the fact we may well be
- * looking at a multi-master environment
-*/
-#define DEF_TIMEOUT             32
-#endif
-
-#define BUS_ERROR               (-EREMOTEIO)
-#define XFER_NAKED              (-ECONNREFUSED)
-#define I2C_RETRY               (-2000) /* an error has occurred retry transmit */
-
-/* ICR initialize bit values
-*
-*  15. FM       0 (100 Khz operation)
-*  14. UR       0 (No unit reset)
-*  13. SADIE    0 (Disables the unit from interrupting on slave addresses
-*                                       matching its slave address)
-*  12. ALDIE    0 (Disables the unit from interrupt when it loses arbitration
-*                                       in master mode)
-*  11. SSDIE    0 (Disables interrupts from a slave stop detected, in slave mode)
-*  10. BEIE     1 (Enable interrupts from detected bus errors, no ACK sent)
-*  9.  IRFIE    1 (Enable interrupts from full buffer received)
-*  8.  ITEIE    1 (Enables the I2C unit to interrupt when transmit buffer empty)
-*  7.  GCD      1 (Disables i2c unit response to general call messages as a slave)
-*  6.  IUE      0 (Disable unit until we change settings)
-*  5.  SCLE     1 (Enables the i2c clock output for master mode (drives SCL)
-*  4.  MA       0 (Only send stop with the ICR stop bit)
-*  3.  TB       0 (We are not transmitting a byte initially)
-*  2.  ACKNAK   0 (Send an ACK after the unit receives a byte)
-*  1.  STOP     0 (Do not send a STOP)
-*  0.  START    0 (Do not send a START)
-*
-*/
-#define I2C_ICR_INIT	(ICR_BEIE | ICR_IRFIE | ICR_ITEIE | ICR_GCD | ICR_SCLE)
-
-/* I2C status register init values
- *
- * 10. BED      1 (Clear bus error detected)
- * 9.  SAD      1 (Clear slave address detected)
- * 7.  IRF      1 (Clear IDBR Receive Full)
- * 6.  ITE      1 (Clear IDBR Transmit Empty)
- * 5.  ALD      1 (Clear Arbitration Loss Detected)
- * 4.  SSD      1 (Clear Slave Stop Detected)
- */
-#define I2C_ISR_INIT	0x7FF  /* status register init */
-
-struct i2c_slave_client;
-
-struct i2c_pxa_platform_data {
-	unsigned int		slave_addr;
-	struct i2c_slave_client	*slave;
-	unsigned int		class;
-	unsigned int		use_pio :1;
-	unsigned int		fast_mode :1;
-};
-
-extern void pxa_set_i2c_info(struct i2c_pxa_platform_data *info);
-
-#ifdef CONFIG_PXA27x
-extern void pxa27x_set_i2c_power_info(struct i2c_pxa_platform_data *info);
-#endif
-
-#ifdef CONFIG_PXA3xx
-extern void pxa3xx_set_i2c_power_info(struct i2c_pxa_platform_data *info);
-#endif
-
-#endif
diff --git a/arch/avr32/include/asm/types.h b/arch/avr32/include/asm/types.h
index 9cefda6f534a..72667a3b1af7 100644
--- a/arch/avr32/include/asm/types.h
+++ b/arch/avr32/include/asm/types.h
@@ -23,14 +23,6 @@ typedef unsigned short umode_t;
 
 #define BITS_PER_LONG 32
 
-#ifndef __ASSEMBLY__
-
-/* Dma addresses are 32-bits wide.  */
-
-typedef u32 dma_addr_t;
-
-#endif /* __ASSEMBLY__ */
-
 #endif /* __KERNEL__ */
 
 
diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index e67c99945428..bfc9d071db9b 100644
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -2048,6 +2048,11 @@ at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data,
 		rx_dws->reg_width = DW_DMA_SLAVE_WIDTH_16BIT;
 		rx_dws->cfg_hi = DWC_CFGH_SRC_PER(3);
 		rx_dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL);
+		rx_dws->src_master = 0;
+		rx_dws->dst_master = 1;
+		rx_dws->src_msize = DW_DMA_MSIZE_1;
+		rx_dws->dst_msize = DW_DMA_MSIZE_1;
+		rx_dws->fc = DW_DMA_FC_D_P2M;
 	}
 
 	/* Check if DMA slave interface for playback should be configured. */
@@ -2056,6 +2061,11 @@ at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data,
 		tx_dws->reg_width = DW_DMA_SLAVE_WIDTH_16BIT;
 		tx_dws->cfg_hi = DWC_CFGH_DST_PER(4);
 		tx_dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL);
+		tx_dws->src_master = 0;
+		tx_dws->dst_master = 1;
+		tx_dws->src_msize = DW_DMA_MSIZE_1;
+		tx_dws->dst_msize = DW_DMA_MSIZE_1;
+		tx_dws->fc = DW_DMA_FC_D_M2P;
 	}
 
 	if (platform_device_add_data(pdev, data,
@@ -2128,6 +2138,11 @@ at32_add_device_abdac(unsigned int id, struct atmel_abdac_pdata *data)
 	dws->reg_width = DW_DMA_SLAVE_WIDTH_32BIT;
 	dws->cfg_hi = DWC_CFGH_DST_PER(2);
 	dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL);
+	dws->src_master = 0;
+	dws->dst_master = 1;
+	dws->src_msize = DW_DMA_MSIZE_1;
+	dws->dst_msize = DW_DMA_MSIZE_1;
+	dws->fc = DW_DMA_FC_D_M2P;
 
 	if (platform_device_add_data(pdev, data,
 				sizeof(struct atmel_abdac_pdata)))
diff --git a/arch/cris/include/asm/thread_info.h b/arch/cris/include/asm/thread_info.h
index 91776069ca80..29b74a105830 100644
--- a/arch/cris/include/asm/thread_info.h
+++ b/arch/cris/include/asm/thread_info.h
@@ -68,7 +68,7 @@ struct thread_info {
 #define init_thread_info	(init_thread_union.thread_info)
 
 /* thread information allocation */
-#define alloc_thread_info(tsk) ((struct thread_info *) __get_free_pages(GFP_KERNEL,1))
+#define alloc_thread_info(tsk, node) ((struct thread_info *) __get_free_pages(GFP_KERNEL,1))
 #define free_thread_info(ti) free_pages((unsigned long) (ti), 1)
 
 #endif /* !__ASSEMBLY__ */
diff --git a/arch/cris/include/asm/types.h b/arch/cris/include/asm/types.h
index 5790262cbe8a..44055087c932 100644
--- a/arch/cris/include/asm/types.h
+++ b/arch/cris/include/asm/types.h
@@ -18,9 +18,6 @@ typedef unsigned short umode_t;
 
 #ifndef __ASSEMBLY__
 
-/* Dma addresses are 32-bits wide, just like our other addresses.  */
- 
-typedef u32 dma_addr_t;
 typedef u32 dma64_addr_t;
 
 #endif /* __ASSEMBLY__ */
diff --git a/arch/frv/include/asm/processor.h b/arch/frv/include/asm/processor.h
index 3744f2e47f48..4b789ab182b0 100644
--- a/arch/frv/include/asm/processor.h
+++ b/arch/frv/include/asm/processor.h
@@ -137,7 +137,7 @@ unsigned long get_wchan(struct task_struct *p);
 #define	KSTK_ESP(tsk)	((tsk)->thread.frame0->sp)
 
 /* Allocation and freeing of basic task resources. */
-extern struct task_struct *alloc_task_struct(void);
+extern struct task_struct *alloc_task_struct_node(int node);
 extern void free_task_struct(struct task_struct *p);
 
 #define cpu_relax()    barrier()
diff --git a/arch/frv/include/asm/thread_info.h b/arch/frv/include/asm/thread_info.h
index 11f33ead29bf..8582e9c7531c 100644
--- a/arch/frv/include/asm/thread_info.h
+++ b/arch/frv/include/asm/thread_info.h
@@ -84,16 +84,11 @@ register struct thread_info *__current_thread_info asm("gr15");
 
 /* thread information allocation */
 #ifdef CONFIG_DEBUG_STACK_USAGE
-#define alloc_thread_info(tsk)					\
-	({							\
-		struct thread_info *ret;			\
-								\
-		ret = kzalloc(THREAD_SIZE, GFP_KERNEL);		\
-								\
-		ret;						\
-	})
+#define alloc_thread_info_node(tsk, node)			\
+		kzalloc_node(THREAD_SIZE, GFP_KERNEL, node)
 #else
-#define alloc_thread_info(tsk)	kmalloc(THREAD_SIZE, GFP_KERNEL)
+#define alloc_thread_info_node(tsk)				\
+		kmalloc_node(THREAD_SIZE, GFP_KERNEL, node)
 #endif
 
 #define free_thread_info(info)	kfree(info)
diff --git a/arch/frv/include/asm/types.h b/arch/frv/include/asm/types.h
index 613bf1e962f0..aa3e7fdc7f29 100644
--- a/arch/frv/include/asm/types.h
+++ b/arch/frv/include/asm/types.h
@@ -27,14 +27,6 @@ typedef unsigned short umode_t;
 
 #define BITS_PER_LONG 32
 
-#ifndef __ASSEMBLY__
-
-/* Dma addresses are 32-bits wide.  */
-
-typedef u32 dma_addr_t;
-
-#endif /* __ASSEMBLY__ */
-
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_TYPES_H */
diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c
index efad12071c2e..9d3597526467 100644
--- a/arch/frv/kernel/process.c
+++ b/arch/frv/kernel/process.c
@@ -44,9 +44,10 @@ asmlinkage void ret_from_fork(void);
 void (*pm_power_off)(void);
 EXPORT_SYMBOL(pm_power_off);
 
-struct task_struct *alloc_task_struct(void)
+struct task_struct *alloc_task_struct_node(int node)
 {
-	struct task_struct *p = kmalloc(THREAD_SIZE, GFP_KERNEL);
+	struct task_struct *p = kmalloc_node(THREAD_SIZE, GFP_KERNEL, node);
+
 	if (p)
 		atomic_set((atomic_t *)(p+1), 1);
 	return p;
diff --git a/arch/h8300/include/asm/types.h b/arch/h8300/include/asm/types.h
index 12875190b156..bb2c91a3522e 100644
--- a/arch/h8300/include/asm/types.h
+++ b/arch/h8300/include/asm/types.h
@@ -22,10 +22,6 @@ typedef unsigned short umode_t;
 
 #define BITS_PER_LONG 32
 
-/* Dma addresses are 32-bits wide.  */
-
-typedef u32 dma_addr_t;
-
 #endif /* __KERNEL__ */
 
 #endif /* __ASSEMBLY__ */
diff --git a/arch/ia64/include/asm/thread_info.h b/arch/ia64/include/asm/thread_info.h
index b6a5ba2aca34..6392908e8f98 100644
--- a/arch/ia64/include/asm/thread_info.h
+++ b/arch/ia64/include/asm/thread_info.h
@@ -59,11 +59,12 @@ struct thread_info {
 #ifndef ASM_OFFSETS_C
 /* how to get the thread information struct from C */
 #define current_thread_info()	((struct thread_info *) ((char *) current + IA64_TASK_SIZE))
-#define alloc_thread_info(tsk)	((struct thread_info *) ((char *) (tsk) + IA64_TASK_SIZE))
+#define alloc_thread_info_node(tsk, node)	\
+		((struct thread_info *) ((char *) (tsk) + IA64_TASK_SIZE))
 #define task_thread_info(tsk)	((struct thread_info *) ((char *) (tsk) + IA64_TASK_SIZE))
 #else
 #define current_thread_info()	((struct thread_info *) 0)
-#define alloc_thread_info(tsk)	((struct thread_info *) 0)
+#define alloc_thread_info_node(tsk, node)	((struct thread_info *) 0)
 #define task_thread_info(tsk)	((struct thread_info *) 0)
 #endif
 #define free_thread_info(ti)	/* nothing */
@@ -84,7 +85,14 @@ struct thread_info {
 #define end_of_stack(p) (unsigned long *)((void *)(p) + IA64_RBS_OFFSET)
 
 #define __HAVE_ARCH_TASK_STRUCT_ALLOCATOR
-#define alloc_task_struct()	((struct task_struct *)__get_free_pages(GFP_KERNEL | __GFP_COMP, KERNEL_STACK_SIZE_ORDER))
+#define alloc_task_struct_node(node)						\
+({										\
+	struct page *page = alloc_pages_node(node, GFP_KERNEL | __GFP_COMP,	\
+					     KERNEL_STACK_SIZE_ORDER);		\
+	struct task_struct *ret = page ? page_address(page) : NULL;		\
+										\
+	ret;
+})
 #define free_task_struct(tsk)	free_pages((unsigned long) (tsk), KERNEL_STACK_SIZE_ORDER)
 
 #endif /* !__ASSEMBLY */
diff --git a/arch/ia64/include/asm/types.h b/arch/ia64/include/asm/types.h
index 93773fd37be0..82b3939d2718 100644
--- a/arch/ia64/include/asm/types.h
+++ b/arch/ia64/include/asm/types.h
@@ -40,9 +40,6 @@ struct fnptr {
 	unsigned long gp;
 };
 
-/* DMA addresses are 64-bits wide, in general.  */
-typedef u64 dma_addr_t;
-
 # endif /* __KERNEL__ */
 #endif /* !__ASSEMBLY__ */
 
diff --git a/arch/m32r/include/asm/thread_info.h b/arch/m32r/include/asm/thread_info.h
index 71faff5bcc27..0227dba44068 100644
--- a/arch/m32r/include/asm/thread_info.h
+++ b/arch/m32r/include/asm/thread_info.h
@@ -96,16 +96,11 @@ static inline struct thread_info *current_thread_info(void)
 
 /* thread information allocation */
 #ifdef CONFIG_DEBUG_STACK_USAGE
-#define alloc_thread_info(tsk)					\
-	({							\
-		struct thread_info *ret;			\
-	 							\
-	 	ret = kzalloc(THREAD_SIZE, GFP_KERNEL);		\
-								\
-	 	ret;						\
-	 })
+#define alloc_thread_info_node(tsk, node)			\
+		kzalloc_node(THREAD_SIZE, GFP_KERNEL, node)
 #else
-#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL)
+#define alloc_thread_info_node(tsk, node)			\
+		kmalloc_node(THREAD_SIZE, GFP_KERNEL, node)
 #endif
 
 #define free_thread_info(info) kfree(info)
diff --git a/arch/m32r/include/asm/types.h b/arch/m32r/include/asm/types.h
index bc9f7fff0ac3..fd84b4898e30 100644
--- a/arch/m32r/include/asm/types.h
+++ b/arch/m32r/include/asm/types.h
@@ -18,9 +18,6 @@ typedef unsigned short umode_t;
 
 #ifndef __ASSEMBLY__
 
-/* DMA addresses are 32-bits wide.  */
-
-typedef u32 dma_addr_t;
 typedef u64 dma64_addr_t;
 
 #endif /* __ASSEMBLY__ */
diff --git a/arch/m68k/include/asm/types.h b/arch/m68k/include/asm/types.h
index 6441cb5f8e7c..10ad92f1c173 100644
--- a/arch/m68k/include/asm/types.h
+++ b/arch/m68k/include/asm/types.h
@@ -25,9 +25,6 @@ typedef unsigned short umode_t;
 
 #ifndef __ASSEMBLY__
 
-/* DMA addresses are always 32-bits wide */
-
-typedef u32 dma_addr_t;
 typedef u32 dma64_addr_t;
 
 #endif /* __ASSEMBLY__ */
diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h
index d309556cacf8..d71160de4d10 100644
--- a/arch/mips/include/asm/thread_info.h
+++ b/arch/mips/include/asm/thread_info.h
@@ -88,9 +88,11 @@ register struct thread_info *__current_thread_info __asm__("$28");
 #define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
 
 #ifdef CONFIG_DEBUG_STACK_USAGE
-#define alloc_thread_info(tsk) kzalloc(THREAD_SIZE, GFP_KERNEL)
+#define alloc_thread_info_node(tsk, node) \
+		kzalloc_node(THREAD_SIZE, GFP_KERNEL, node)
 #else
-#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL)
+#define alloc_thread_info_node(tsk, node) \
+		kmalloc_node(THREAD_SIZE, GFP_KERNEL, node)
 #endif
 
 #define free_thread_info(info) kfree(info)
diff --git a/arch/mips/include/asm/types.h b/arch/mips/include/asm/types.h
index 544a2854598f..9520dc894989 100644
--- a/arch/mips/include/asm/types.h
+++ b/arch/mips/include/asm/types.h
@@ -33,12 +33,6 @@ typedef unsigned short umode_t;
 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
 
-#if (defined(CONFIG_HIGHMEM) && defined(CONFIG_64BIT_PHYS_ADDR)) \
-    || defined(CONFIG_64BIT)
-typedef u64 dma_addr_t;
-#else
-typedef u32 dma_addr_t;
-#endif
 typedef u64 dma64_addr_t;
 
 /*
diff --git a/arch/mn10300/include/asm/thread_info.h b/arch/mn10300/include/asm/thread_info.h
index aa07a4a5d794..8d53f09c878d 100644
--- a/arch/mn10300/include/asm/thread_info.h
+++ b/arch/mn10300/include/asm/thread_info.h
@@ -124,9 +124,11 @@ static inline unsigned long current_stack_pointer(void)
 
 /* thread information allocation */
 #ifdef CONFIG_DEBUG_STACK_USAGE
-#define alloc_thread_info(tsk) kzalloc(THREAD_SIZE, GFP_KERNEL)
+#define alloc_thread_info_node(tsk, node)			\
+		kzalloc_node(THREAD_SIZE, GFP_KERNEL, node)
 #else
-#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL)
+#define alloc_thread_info_node(tsk, node)			\
+		kmalloc_node(THREAD_SIZE, GFP_KERNEL, node)
 #endif
 
 #define free_thread_info(ti)	kfree((ti))
diff --git a/arch/mn10300/include/asm/types.h b/arch/mn10300/include/asm/types.h
index 7b9f01042fd4..c1833eb192e3 100644
--- a/arch/mn10300/include/asm/types.h
+++ b/arch/mn10300/include/asm/types.h
@@ -26,13 +26,6 @@ typedef unsigned short umode_t;
 
 #define BITS_PER_LONG 32
 
-#ifndef __ASSEMBLY__
-
-/* Dma addresses are 32-bits wide.  */
-typedef u32 dma_addr_t;
-
-#endif /* __ASSEMBLY__ */
-
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_TYPES_H */
diff --git a/arch/parisc/include/asm/types.h b/arch/parisc/include/asm/types.h
index 20135cc80039..bc164ddffb78 100644
--- a/arch/parisc/include/asm/types.h
+++ b/arch/parisc/include/asm/types.h
@@ -16,9 +16,6 @@ typedef unsigned short umode_t;
 
 #ifndef __ASSEMBLY__
 
-/* Dma addresses are 32-bits wide.  */
-
-typedef u32 dma_addr_t;
 typedef u64 dma64_addr_t;
 
 #endif /* __ASSEMBLY__ */
diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h
index 65eb85976a03..d8529ef13b23 100644
--- a/arch/powerpc/include/asm/thread_info.h
+++ b/arch/powerpc/include/asm/thread_info.h
@@ -72,7 +72,7 @@ struct thread_info {
 
 #define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
 
-extern struct thread_info *alloc_thread_info(struct task_struct *tsk);
+extern struct thread_info *alloc_thread_info_node(struct task_struct *tsk, int node);
 extern void free_thread_info(struct thread_info *ti);
 
 #endif /* THREAD_SHIFT < PAGE_SHIFT */
diff --git a/arch/powerpc/include/asm/types.h b/arch/powerpc/include/asm/types.h
index a5aea0ca34e9..e16a6b2d96f1 100644
--- a/arch/powerpc/include/asm/types.h
+++ b/arch/powerpc/include/asm/types.h
@@ -44,11 +44,6 @@ typedef struct {
 
 typedef __vector128 vector128;
 
-#if defined(__powerpc64__) || defined(CONFIG_PHYS_64BIT)
-typedef u64 dma_addr_t;
-#else
-typedef u32 dma_addr_t;
-#endif
 typedef u64 dma64_addr_t;
 
 typedef struct {
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 8303a6c65ef7..f74f355a9617 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1218,11 +1218,11 @@ void __ppc64_runlatch_off(void)
 
 static struct kmem_cache *thread_info_cache;
 
-struct thread_info *alloc_thread_info(struct task_struct *tsk)
+struct thread_info *alloc_thread_info_node(struct task_struct *tsk, int node)
 {
 	struct thread_info *ti;
 
-	ti = kmem_cache_alloc(thread_info_cache, GFP_KERNEL);
+	ti = kmem_cache_alloc_node(thread_info_cache, GFP_KERNEL, node);
 	if (unlikely(ti == NULL))
 		return NULL;
 #ifdef CONFIG_DEBUG_STACK_USAGE
diff --git a/arch/s390/include/asm/types.h b/arch/s390/include/asm/types.h
index 04d6b95a89c6..f7f6ae6bed8f 100644
--- a/arch/s390/include/asm/types.h
+++ b/arch/s390/include/asm/types.h
@@ -31,12 +31,6 @@ typedef __signed__ long saddr_t;
 #ifndef __ASSEMBLY__
 
 typedef u64 dma64_addr_t;
-#ifdef __s390x__
-/* DMA addresses come in 32-bit and 64-bit flavours. */
-typedef u64 dma_addr_t;
-#else
-typedef u32 dma_addr_t;
-#endif
 
 #ifndef __s390x__
 typedef union {
diff --git a/arch/score/include/asm/thread_info.h b/arch/score/include/asm/thread_info.h
index 8570d08f58c1..2205c62284db 100644
--- a/arch/score/include/asm/thread_info.h
+++ b/arch/score/include/asm/thread_info.h
@@ -71,7 +71,7 @@ struct thread_info {
 register struct thread_info *__current_thread_info __asm__("r28");
 #define current_thread_info()	__current_thread_info
 
-#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL)
+#define alloc_thread_info_node(tsk, node) kmalloc_node(THREAD_SIZE, GFP_KERNEL, node)
 #define free_thread_info(info) kfree(info)
 
 #endif /* !__ASSEMBLY__ */
diff --git a/arch/sh/include/asm/thread_info.h b/arch/sh/include/asm/thread_info.h
index c228946926ed..ea2d5089de1e 100644
--- a/arch/sh/include/asm/thread_info.h
+++ b/arch/sh/include/asm/thread_info.h
@@ -95,7 +95,7 @@ static inline struct thread_info *current_thread_info(void)
 
 #endif
 
-extern struct thread_info *alloc_thread_info(struct task_struct *tsk);
+extern struct thread_info *alloc_thread_info_node(struct task_struct *tsk, int node);
 extern void free_thread_info(struct thread_info *ti);
 extern void arch_task_cache_init(void);
 #define arch_task_cache_init arch_task_cache_init
diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c
index dcb126dc76fd..f39ad57296b7 100644
--- a/arch/sh/kernel/process.c
+++ b/arch/sh/kernel/process.c
@@ -32,16 +32,16 @@ void free_thread_xstate(struct task_struct *tsk)
 #if THREAD_SHIFT < PAGE_SHIFT
 static struct kmem_cache *thread_info_cache;
 
-struct thread_info *alloc_thread_info(struct task_struct *tsk)
+struct thread_info *alloc_thread_info(struct task_struct *tsk, int node)
 {
 	struct thread_info *ti;
-
-	ti = kmem_cache_alloc(thread_info_cache, GFP_KERNEL);
-	if (unlikely(ti == NULL))
-		return NULL;
 #ifdef CONFIG_DEBUG_STACK_USAGE
-	memset(ti, 0, THREAD_SIZE);
+	gfp_t mask = GFP_KERNEL | __GFP_ZERO;
+#else
+	gfp_t mask = GFP_KERNEL;
 #endif
+
+	ti = kmem_cache_alloc_node(thread_info_cache, mask, node);
 	return ti;
 }
 
@@ -64,7 +64,9 @@ struct thread_info *alloc_thread_info(struct task_struct *tsk)
 #else
 	gfp_t mask = GFP_KERNEL;
 #endif
-	return (struct thread_info *)__get_free_pages(mask, THREAD_SIZE_ORDER);
+	struct page *page = alloc_pages_node(node, mask, THREAD_SIZE_ORDER);
+
+	return page ? page_address(page) : NULL;
 }
 
 void free_thread_info(struct thread_info *ti)
diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h
index 9dd0318d3ddf..fa5753233410 100644
--- a/arch/sparc/include/asm/thread_info_32.h
+++ b/arch/sparc/include/asm/thread_info_32.h
@@ -82,8 +82,8 @@ register struct thread_info *current_thread_info_reg asm("g6");
 
 #define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
 
-BTFIXUPDEF_CALL(struct thread_info *, alloc_thread_info, void)
-#define alloc_thread_info(tsk) BTFIXUP_CALL(alloc_thread_info)()
+BTFIXUPDEF_CALL(struct thread_info *, alloc_thread_info_node, int)
+#define alloc_thread_info_node(tsk, node) BTFIXUP_CALL(alloc_thread_info_node)(node)
 
 BTFIXUPDEF_CALL(void, free_thread_info, struct thread_info *)
 #define free_thread_info(ti) BTFIXUP_CALL(free_thread_info)(ti)
@@ -92,7 +92,7 @@ BTFIXUPDEF_CALL(void, free_thread_info, struct thread_info *)
 
 /*
  * Size of kernel stack for each process.
- * Observe the order of get_free_pages() in alloc_thread_info().
+ * Observe the order of get_free_pages() in alloc_thread_info_node().
  * The sun4 has 8K stack too, because it's short on memory, and 16K is a waste.
  */
 #define THREAD_SIZE		8192
diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h
index fb2ea7705a46..60d86be1a533 100644
--- a/arch/sparc/include/asm/thread_info_64.h
+++ b/arch/sparc/include/asm/thread_info_64.h
@@ -146,21 +146,21 @@ register struct thread_info *current_thread_info_reg asm("g6");
 #define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
 
 #ifdef CONFIG_DEBUG_STACK_USAGE
-#define alloc_thread_info(tsk)					\
-({								\
-	struct thread_info *ret;				\
-								\
-	ret = (struct thread_info *)				\
-	  __get_free_pages(GFP_KERNEL, __THREAD_INFO_ORDER);	\
-	if (ret)						\
-		memset(ret, 0, PAGE_SIZE<<__THREAD_INFO_ORDER);	\
-	ret;							\
-})
+#define THREAD_FLAGS (GFP_KERNEL | __GFP_ZERO)
 #else
-#define alloc_thread_info(tsk) \
-	((struct thread_info *)__get_free_pages(GFP_KERNEL, __THREAD_INFO_ORDER))
+#define THREAD_FLAGS (GFP_KERNEL)
 #endif
 
+#define alloc_thread_info_node(tsk, node)				\
+({									\
+	struct page *page = alloc_pages_node(node, THREAD_FLAGS,	\
+					     __THREAD_INFO_ORDER);	\
+	struct thread_info *ret;					\
+									\
+	ret = page ? page_address(page) : NULL;				\
+	ret;								\
+})
+
 #define free_thread_info(ti) \
 	free_pages((unsigned long)(ti),__THREAD_INFO_ORDER)
 
diff --git a/arch/sparc/include/asm/types.h b/arch/sparc/include/asm/types.h
index 09c79a9c8516..f02d330cb9f1 100644
--- a/arch/sparc/include/asm/types.h
+++ b/arch/sparc/include/asm/types.h
@@ -22,10 +22,6 @@ typedef unsigned short umode_t;
 
 #ifndef __ASSEMBLY__
 
-/* Dma addresses come in generic and 64-bit flavours.  */
-
-typedef u32 dma_addr_t;
-
 #if defined(__arch64__)
 
 /*** SPARC 64 bit ***/
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index 92319aa8b662..fe09fd8be695 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -650,7 +650,7 @@ static void srmmu_unmapiorange(unsigned long virt_addr, unsigned int len)
  * mappings on the kernel stack without any special code as we did
  * need on the sun4c.
  */
-static struct thread_info *srmmu_alloc_thread_info(void)
+static struct thread_info *srmmu_alloc_thread_info_node(int node)
 {
 	struct thread_info *ret;
 
@@ -2271,7 +2271,7 @@ void __init ld_mmu_srmmu(void)
 
 	BTFIXUPSET_CALL(mmu_info, srmmu_mmu_info, BTFIXUPCALL_NORM);
 
-	BTFIXUPSET_CALL(alloc_thread_info, srmmu_alloc_thread_info, BTFIXUPCALL_NORM);
+	BTFIXUPSET_CALL(alloc_thread_info_node, srmmu_alloc_thread_info_node, BTFIXUPCALL_NORM);
 	BTFIXUPSET_CALL(free_thread_info, srmmu_free_thread_info, BTFIXUPCALL_NORM);
 
 	BTFIXUPSET_CALL(pte_to_pgoff, srmmu_pte_to_pgoff, BTFIXUPCALL_NORM);
diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c
index b5137cc2aba3..a2350b5e68aa 100644
--- a/arch/sparc/mm/sun4c.c
+++ b/arch/sparc/mm/sun4c.c
@@ -922,7 +922,7 @@ static inline void garbage_collect(int entry)
 	free_locked_segment(BUCKET_ADDR(entry));
 }
 
-static struct thread_info *sun4c_alloc_thread_info(void)
+static struct thread_info *sun4c_alloc_thread_info_node(int node)
 {
 	unsigned long addr, pages;
 	int entry;
@@ -2155,7 +2155,7 @@ void __init ld_mmu_sun4c(void)
 	BTFIXUPSET_CALL(__swp_offset, sun4c_swp_offset, BTFIXUPCALL_NORM);
 	BTFIXUPSET_CALL(__swp_entry, sun4c_swp_entry, BTFIXUPCALL_NORM);
 
-	BTFIXUPSET_CALL(alloc_thread_info, sun4c_alloc_thread_info, BTFIXUPCALL_NORM);
+	BTFIXUPSET_CALL(alloc_thread_info_node, sun4c_alloc_thread_info_node, BTFIXUPCALL_NORM);
 	BTFIXUPSET_CALL(free_thread_info, sun4c_free_thread_info, BTFIXUPCALL_NORM);
 
 	BTFIXUPSET_CALL(mmu_info, sun4c_mmu_info, BTFIXUPCALL_NORM);
diff --git a/arch/tile/include/asm/thread_info.h b/arch/tile/include/asm/thread_info.h
index 9e8e9c4dfa2a..3405b52853b8 100644
--- a/arch/tile/include/asm/thread_info.h
+++ b/arch/tile/include/asm/thread_info.h
@@ -84,7 +84,7 @@ register unsigned long stack_pointer __asm__("sp");
   ((struct thread_info *)(stack_pointer & -THREAD_SIZE))
 
 #define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
-extern struct thread_info *alloc_thread_info(struct task_struct *task);
+extern struct thread_info *alloc_thread_info_node(struct task_struct *task, int node);
 extern void free_thread_info(struct thread_info *info);
 
 /* Sit on a nap instruction until interrupted. */
diff --git a/arch/tile/kernel/process.c b/arch/tile/kernel/process.c
index b9cd962e1d30..d0065103eb7b 100644
--- a/arch/tile/kernel/process.c
+++ b/arch/tile/kernel/process.c
@@ -109,7 +109,7 @@ void cpu_idle(void)
 	}
 }
 
-struct thread_info *alloc_thread_info(struct task_struct *task)
+struct thread_info *alloc_thread_info_node(struct task_struct *task, int node)
 {
 	struct page *page;
 	gfp_t flags = GFP_KERNEL;
@@ -118,7 +118,7 @@ struct thread_info *alloc_thread_info(struct task_struct *task)
 	flags |= __GFP_ZERO;
 #endif
 
-	page = alloc_pages(flags, THREAD_SIZE_ORDER);
+	page = alloc_pages_node(node, flags, THREAD_SIZE_ORDER);
 	if (!page)
 		return NULL;
 
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index 050e4ddbbb65..35dd0b86401a 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -255,8 +255,8 @@ static const struct {
 	{ KDSIGACCEPT, KERN_INFO,  "KDSIGACCEPT" },
 };
 
-int line_ioctl(struct tty_struct *tty, struct file * file,
-	       unsigned int cmd, unsigned long arg)
+int line_ioctl(struct tty_struct *tty, unsigned int cmd,
+				unsigned long arg)
 {
 	int ret;
 	int i;
diff --git a/arch/um/include/asm/processor-generic.h b/arch/um/include/asm/processor-generic.h
index bed668824b5f..d1d1b0d8a0cd 100644
--- a/arch/um/include/asm/processor-generic.h
+++ b/arch/um/include/asm/processor-generic.h
@@ -66,7 +66,7 @@ struct thread_struct {
 	.request		= { 0 } \
 }
 
-extern struct task_struct *alloc_task_struct(void);
+extern struct task_struct *alloc_task_struct_node(int node);
 
 static inline void release_thread(struct task_struct *task)
 {
diff --git a/arch/um/include/shared/line.h b/arch/um/include/shared/line.h
index 311a0d3d93af..72f4f25af247 100644
--- a/arch/um/include/shared/line.h
+++ b/arch/um/include/shared/line.h
@@ -77,8 +77,8 @@ extern int line_chars_in_buffer(struct tty_struct *tty);
 extern void line_flush_buffer(struct tty_struct *tty);
 extern void line_flush_chars(struct tty_struct *tty);
 extern int line_write_room(struct tty_struct *tty);
-extern int line_ioctl(struct tty_struct *tty, struct file * file,
-		      unsigned int cmd, unsigned long arg);
+extern int line_ioctl(struct tty_struct *tty, unsigned int cmd,
+				unsigned long arg);
 extern void line_throttle(struct tty_struct *tty);
 extern void line_unthrottle(struct tty_struct *tty);
 
diff --git a/arch/um/sys-i386/asm/elf.h b/arch/um/sys-i386/asm/elf.h
index a979a22a8d9f..d964a4111ac6 100644
--- a/arch/um/sys-i386/asm/elf.h
+++ b/arch/um/sys-i386/asm/elf.h
@@ -75,6 +75,8 @@ typedef struct user_i387_struct elf_fpregset_t;
 	pr_reg[16] = PT_REGS_SS(regs);		\
 } while (0);
 
+#define task_pt_regs(t) (&(t)->thread.regs)
+
 struct task_struct;
 
 extern int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu);
diff --git a/arch/um/sys-x86_64/asm/elf.h b/arch/um/sys-x86_64/asm/elf.h
index d760967f33a7..d6d5af376251 100644
--- a/arch/um/sys-x86_64/asm/elf.h
+++ b/arch/um/sys-x86_64/asm/elf.h
@@ -95,6 +95,8 @@ typedef struct user_i387_struct elf_fpregset_t;
 	(pr_reg)[25] = 0;					\
 	(pr_reg)[26] = 0;
 
+#define task_pt_regs(t) (&(t)->thread.regs)
+
 struct task_struct;
 
 extern int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu);
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index e1f65c46bc93..d57ddd7573cc 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -123,7 +123,7 @@ config NEED_SG_DMA_LENGTH
 	def_bool y
 
 config GENERIC_ISA_DMA
-	def_bool y
+	def_bool ISA_DMA_API
 
 config GENERIC_IOMAP
 	def_bool y
@@ -143,7 +143,7 @@ config GENERIC_GPIO
 	bool
 
 config ARCH_MAY_HAVE_PC_FDC
-	def_bool y
+	def_bool ISA_DMA_API
 
 config RWSEM_GENERIC_SPINLOCK
 	def_bool !X86_XADD
@@ -2002,9 +2002,13 @@ source "drivers/pci/pcie/Kconfig"
 
 source "drivers/pci/Kconfig"
 
-# x86_64 have no ISA slots, but do have ISA-style DMA.
+# x86_64 have no ISA slots, but can have ISA-style DMA.
 config ISA_DMA_API
-	def_bool y
+	bool "ISA-style DMA support" if (X86_64 && EXPERT)
+	default y
+	help
+	  Enables ISA-style DMA support for devices requiring such controllers.
+	  If unsure, say Y.
 
 if X86_32
 
diff --git a/arch/x86/include/asm/dma.h b/arch/x86/include/asm/dma.h
index ca1098a7e580..97b6d8114a43 100644
--- a/arch/x86/include/asm/dma.h
+++ b/arch/x86/include/asm/dma.h
@@ -151,6 +151,7 @@
 #define DMA_AUTOINIT		0x10
 
 
+#ifdef CONFIG_ISA_DMA_API
 extern spinlock_t  dma_spin_lock;
 
 static inline unsigned long claim_dma_lock(void)
@@ -164,6 +165,7 @@ static inline void release_dma_lock(unsigned long flags)
 {
 	spin_unlock_irqrestore(&dma_spin_lock, flags);
 }
+#endif /* CONFIG_ISA_DMA_API */
 
 /* enable/disable a specific DMA channel */
 static inline void enable_dma(unsigned int dmanr)
@@ -303,9 +305,11 @@ static inline int get_dma_residue(unsigned int dmanr)
 }
 
 
-/* These are in kernel/dma.c: */
+/* These are in kernel/dma.c because x86 uses CONFIG_GENERIC_ISA_DMA */
+#ifdef CONFIG_ISA_DMA_API
 extern int request_dma(unsigned int dmanr, const char *device_id);
 extern void free_dma(unsigned int dmanr);
+#endif
 
 /* From PCI */
 
diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
index f0b6e5dbc5a0..1f2e61e28981 100644
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -161,8 +161,14 @@ struct thread_info {
 
 #define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
 
-#define alloc_thread_info(tsk)						\
-	((struct thread_info *)__get_free_pages(THREAD_FLAGS, THREAD_ORDER))
+#define alloc_thread_info_node(tsk, node)				\
+({									\
+	struct page *page = alloc_pages_node(node, THREAD_FLAGS,	\
+					     THREAD_ORDER);		\
+	struct thread_info *ret = page ? page_address(page) : NULL;	\
+									\
+	ret;								\
+})
 
 #ifdef CONFIG_X86_32
 
diff --git a/arch/x86/include/asm/types.h b/arch/x86/include/asm/types.h
index df1da20f4534..88102055a4b8 100644
--- a/arch/x86/include/asm/types.h
+++ b/arch/x86/include/asm/types.h
@@ -1,20 +1,12 @@
 #ifndef _ASM_X86_TYPES_H
 #define _ASM_X86_TYPES_H
 
-#define dma_addr_t	dma_addr_t
-
 #include <asm-generic/types.h>
 
 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
 
 typedef u64 dma64_addr_t;
-#if defined(CONFIG_X86_64) || defined(CONFIG_HIGHMEM64G)
-/* DMA addresses come in 32-bit and 64-bit flavours. */
-typedef u64 dma_addr_t;
-#else
-typedef u32 dma_addr_t;
-#endif
 
 #endif /* __ASSEMBLY__ */
 #endif /* __KERNEL__ */
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 743642f1a36c..7338ef2218bc 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -41,7 +41,7 @@ obj-$(CONFIG_X86_32)	+= sys_i386_32.o i386_ksyms_32.o
 obj-$(CONFIG_X86_64)	+= sys_x86_64.o x8664_ksyms_64.o
 obj-$(CONFIG_X86_64)	+= syscall_64.o vsyscall_64.o
 obj-y			+= bootflag.o e820.o
-obj-y			+= pci-dma.o quirks.o i8237.o topology.o kdebugfs.o
+obj-y			+= pci-dma.o quirks.o topology.o kdebugfs.o
 obj-y			+= alternative.o i8253.o pci-nommu.o hw_breakpoint.o
 obj-y			+= tsc.o io_delay.o rtc.o
 obj-y			+= pci-iommu_table.o
@@ -55,6 +55,7 @@ obj-$(CONFIG_X86_32)		+= tls.o
 obj-$(CONFIG_IA32_EMULATION)	+= tls.o
 obj-y				+= step.o
 obj-$(CONFIG_INTEL_TXT)		+= tboot.o
+obj-$(CONFIG_ISA_DMA_API)	+= i8237.o
 obj-$(CONFIG_STACKTRACE)	+= stacktrace.o
 obj-y				+= cpu/
 obj-y				+= acpi/
diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c
index 999e2793590b..81ac6c78c01c 100644
--- a/arch/x86/kernel/dumpstack.c
+++ b/arch/x86/kernel/dumpstack.c
@@ -322,16 +322,6 @@ void die(const char *str, struct pt_regs *regs, long err)
 	oops_end(flags, regs, sig);
 }
 
-static int __init oops_setup(char *s)
-{
-	if (!s)
-		return -EINVAL;
-	if (!strcmp(s, "panic"))
-		panic_on_oops = 1;
-	return 0;
-}
-early_param("oops", oops_setup);
-
 static int __init kstack_setup(char *s)
 {
 	if (!s)
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index 2d2673c28aff..5655c2272adb 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -77,9 +77,6 @@ void __init x86_64_start_kernel(char * real_mode_data)
 	/* Make NULL pointers segfault */
 	zap_identity_mappings();
 
-	/* Cleanup the over mapped high alias */
-	cleanup_highmap();
-
 	max_pfn_mapped = KERNEL_IMAGE_SIZE >> PAGE_SHIFT;
 
 	for (i = 0; i < NUM_EXCEPTION_VECTORS; i++) {
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 9d43b28e0728..32bd87cbf982 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -294,30 +294,11 @@ static void __init init_gbpages(void)
 	else
 		direct_gbpages = 0;
 }
-
-static void __init cleanup_highmap_brk_end(void)
-{
-	pud_t *pud;
-	pmd_t *pmd;
-
-	mmu_cr4_features = read_cr4();
-
-	/*
-	 * _brk_end cannot change anymore, but it and _end may be
-	 * located on different 2M pages. cleanup_highmap(), however,
-	 * can only consider _end when it runs, so destroy any
-	 * mappings beyond _brk_end here.
-	 */
-	pud = pud_offset(pgd_offset_k(_brk_end), _brk_end);
-	pmd = pmd_offset(pud, _brk_end - 1);
-	while (++pmd <= pmd_offset(pud, (unsigned long)_end - 1))
-		pmd_clear(pmd);
-}
 #else
 static inline void init_gbpages(void)
 {
 }
-static inline void cleanup_highmap_brk_end(void)
+static void __init cleanup_highmap(void)
 {
 }
 #endif
@@ -330,8 +311,6 @@ static void __init reserve_brk(void)
 	/* Mark brk area as locked down and no longer taking any
 	   new allocations */
 	_brk_start = 0;
-
-	cleanup_highmap_brk_end();
 }
 
 #ifdef CONFIG_BLK_DEV_INITRD
@@ -950,6 +929,8 @@ void __init setup_arch(char **cmdline_p)
 	 */
 	reserve_brk();
 
+	cleanup_highmap();
+
 	memblock.current_limit = get_max_mapped();
 	memblock_x86_fill();
 
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 0aa34669ed3f..2362b646178e 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -52,6 +52,7 @@
 #include <asm/cacheflush.h>
 #include <asm/init.h>
 #include <asm/uv/uv.h>
+#include <asm/setup.h>
 
 static int __init parse_direct_gbpages_off(char *arg)
 {
@@ -294,18 +295,18 @@ void __init init_extra_mapping_uc(unsigned long phys, unsigned long size)
  * to the compile time generated pmds. This results in invalid pmds up
  * to the point where we hit the physaddr 0 mapping.
  *
- * We limit the mappings to the region from _text to _end.  _end is
- * rounded up to the 2MB boundary. This catches the invalid pmds as
+ * We limit the mappings to the region from _text to _brk_end.  _brk_end
+ * is rounded up to the 2MB boundary. This catches the invalid pmds as
  * well, as they are located before _text:
  */
 void __init cleanup_highmap(void)
 {
 	unsigned long vaddr = __START_KERNEL_map;
-	unsigned long end = roundup((unsigned long)_end, PMD_SIZE) - 1;
+	unsigned long vaddr_end = __START_KERNEL_map + (max_pfn_mapped << PAGE_SHIFT);
+	unsigned long end = roundup((unsigned long)_brk_end, PMD_SIZE) - 1;
 	pmd_t *pmd = level2_kernel_pgt;
-	pmd_t *last_pmd = pmd + PTRS_PER_PMD;
 
-	for (; pmd < last_pmd; pmd++, vaddr += PMD_SIZE) {
+	for (; vaddr + PMD_SIZE - 1 < vaddr_end; pmd++, vaddr += PMD_SIZE) {
 		if (pmd_none(*pmd))
 			continue;
 		if (vaddr < (unsigned long) _text || vaddr > end)
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 39ee7182fd18..c82df6c9c0f0 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -1487,10 +1487,12 @@ static __init pte_t mask_rw_pte(pte_t *ptep, pte_t pte)
 	/*
 	 * If the new pfn is within the range of the newly allocated
 	 * kernel pagetable, and it isn't being mapped into an
-	 * early_ioremap fixmap slot, make sure it is RO.
+	 * early_ioremap fixmap slot as a freshly allocated page, make sure
+	 * it is RO.
 	 */
-	if (!is_early_ioremap_ptep(ptep) &&
-	    pfn >= pgt_buf_start && pfn < pgt_buf_end)
+	if (((!is_early_ioremap_ptep(ptep) &&
+			pfn >= pgt_buf_start && pfn < pgt_buf_end)) ||
+			(is_early_ioremap_ptep(ptep) && pfn != (pgt_buf_end - 1)))
 		pte = pte_wrprotect(pte);
 
 	return pte;
@@ -1700,9 +1702,6 @@ static __init void xen_map_identity_early(pmd_t *pmd, unsigned long max_pfn)
 		for (pteidx = 0; pteidx < PTRS_PER_PTE; pteidx++, pfn++) {
 			pte_t pte;
 
-			if (pfn > max_pfn_mapped)
-				max_pfn_mapped = pfn;
-
 			if (!pte_none(pte_page[pteidx]))
 				continue;
 
@@ -1760,6 +1759,12 @@ __init pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd,
 	pud_t *l3;
 	pmd_t *l2;
 
+	/* max_pfn_mapped is the last pfn mapped in the initial memory
+	 * mappings. Considering that on Xen after the kernel mappings we
+	 * have the mappings of some pages that don't exist in pfn space, we
+	 * set max_pfn_mapped to the last real pfn mapped. */
+	max_pfn_mapped = PFN_DOWN(__pa(xen_start_info->mfn_list));
+
 	/* Zap identity mapping */
 	init_level4_pgt[0] = __pgd(0);
 
@@ -1864,9 +1869,7 @@ __init pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd,
 	initial_kernel_pmd =
 		extend_brk(sizeof(pmd_t) * PTRS_PER_PMD, PAGE_SIZE);
 
-	max_pfn_mapped = PFN_DOWN(__pa(xen_start_info->pt_base) +
-				  xen_start_info->nr_pt_frames * PAGE_SIZE +
-				  512*1024);
+	max_pfn_mapped = PFN_DOWN(__pa(xen_start_info->mfn_list));
 
 	kernel_pmd = m2v(pgd[KERNEL_PGD_BOUNDARY].pgd);
 	memcpy(initial_kernel_pmd, kernel_pmd, sizeof(pmd_t) * PTRS_PER_PMD);
diff --git a/arch/xtensa/include/asm/types.h b/arch/xtensa/include/asm/types.h
index c89569a8da0c..b1c981e39b52 100644
--- a/arch/xtensa/include/asm/types.h
+++ b/arch/xtensa/include/asm/types.h
@@ -32,10 +32,6 @@ typedef unsigned short umode_t;
 
 #define BITS_PER_LONG 32
 
-/* Dma addresses are 32-bits wide.  */
-
-typedef u32 dma_addr_t;
-
 #endif	/* __KERNEL__ */
 #endif