79 files changed, 2226 insertions, 488 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index c3b215970f7b..1f02d96a5dbf 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -636,7 +636,7 @@ P:	Dirk Opfer
 M:      dirk@opfer-online.de
 S:      Maintained
-ARM/PALMTX,PALMT5,PALMLD SUPPORT
+ARM/PALMTX,PALMT5,PALMLD,PALMTE2 SUPPORT
 P:      Marek Vasut
 M:      marek.vasut@gmail.com
 W:      http://hackndev.com
@@ -3057,7 +3057,7 @@ S:	Supported
 MULTIMEDIA CARD (MMC), SECURE DIGITAL (SD) AND SDIO SUBSYSTEM
 P:      Pierre Ossman
-M:      drzeus-mmc@drzeus.cx
+M:      pierre@ossman.eu
 L:      linux-kernel@vger.kernel.org
 S:      Maintained
@@ -3939,7 +3939,7 @@ S:	Maintained
 SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) DRIVER
 P:      Pierre Ossman
-M:      drzeus-sdhci@drzeus.cx
+M:      pierre@ossman.eu
 L:      sdhci-devel@lists.ossman.eu
 S:      Maintained
@@ -4926,7 +4926,7 @@ S:	Maintained
 W83L51xD SD/MMC CARD INTERFACE DRIVER
 P:      Pierre Ossman
-M:      drzeus-wbsd@drzeus.cx
+M:      pierre@ossman.eu
 L:      linux-kernel@vger.kernel.org
 S:      Maintained
diff --git a/arch/arm/configs/magician_defconfig b/arch/arm/configs/magician_defconfig
index 82428c2f234c..f56837f69ca7 100644
--- a/arch/arm/configs/magician_defconfig
+++ b/arch/arm/configs/magician_defconfig
@@ -1183,7 +1183,11 @@ CONFIG_RTC_INTF_DEV=y
 CONFIG_RTC_DRV_SA1100=y
 # CONFIG_RTC_DRV_PXA is not set
 # CONFIG_DMADEVICES is not set
-# CONFIG_REGULATOR is not set
+CONFIG_REGULATOR=y
+# CONFIG_REGULATOR_DEBUG is not set
+# CONFIG_REGULATOR_FIXED_VOLTAGE is not set
+# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set
+CONFIG_REGULATOR_BQ24022=y
 # CONFIG_UIO is not set
 # CONFIG_STAGING is not set
diff --git a/arch/arm/include/asm/sizes.h b/arch/arm/include/asm/sizes.h
index c10d1aa4b487..ada93a8fc2ef 100644
--- a/arch/arm/include/asm/sizes.h
+++ b/arch/arm/include/asm/sizes.h
@@ -32,6 +32,7 @@
 #define SZ_4K                           0x00001000
 #define SZ_8K                           0x00002000
 #define SZ_16K                          0x00004000
+#define SZ_32K                          0x00008000
 #define SZ_64K                          0x00010000
 #define SZ_128K                         0x00020000
 #define SZ_256K                         0x00040000
diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h
index 793fe7b25f36..e6afff849b85 100644
--- a/arch/arm/mach-at91/include/mach/board.h
+++ b/arch/arm/mach-at91/include/mach/board.h
@@ -87,7 +87,7 @@ extern void __init at91_add_device_eth(struct at91_eth_data *data);
 /* USB Host */
 struct at91_usbh_data {
        u8              ports;          /* number of ports on root hub */
-        u8              vbus_pin[];     /* port power-control pin */
+        u8              vbus_pin[2];    /* port power-control pin */
 };
 extern void __init at91_add_device_usbh(struct at91_usbh_data *data);
diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c
index dafe4f71d15f..336e51dc6127 100644
--- a/arch/arm/mach-omap1/clock.c
+++ b/arch/arm/mach-omap1/clock.c
@@ -590,27 +590,28 @@ static void omap1_init_ext_clk(struct clk * clk)
 static int omap1_clk_enable(struct clk *clk)
 {
        int ret = 0;
        if (clk->usecount++ == 0) {
-                if (likely(clk->parent)) {
+                if (clk->parent) {
                        ret = omap1_clk_enable(clk->parent);
+                        if (ret)
-                        if (unlikely(ret != 0)) {
+                                goto err;
-                                clk->usecount--;
-                                return ret;
-                        }
                        if (clk->flags & CLOCK_NO_IDLE_PARENT)
                                omap1_clk_deny_idle(clk->parent);
                }
                ret = clk->ops->enable(clk);
+                if (ret) {
-                if (unlikely(ret != 0) && clk->parent) {
+                        if (clk->parent)
-                        omap1_clk_disable(clk->parent);
+                                omap1_clk_disable(clk->parent);
-                        clk->usecount--;
+                        goto err;
                }
        }
+        return ret;
+err:
+        clk->usecount--;
        return ret;
 }
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 96a2006cb597..3e66d9099eab 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -343,6 +343,15 @@ config ARCH_PXA_PALM
        bool "PXA based Palm PDAs"
        select HAVE_PWM
+config MACH_PALMTE2
+        bool "Palm Tungsten|E2"
+        default y
+        depends on ARCH_PXA_PALM
+        select PXA25x
+        help
+          Say Y here if you intend to run this kernel on a Palm Tungsten|E2
+          handheld computer.
 config MACH_PALMT5
        bool "Palm Tungsten|T5"
        default y
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index c80e1bac4945..682dbf4e14b0 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -57,6 +57,7 @@ obj-$(CONFIG_MACH_E740)		+= e740.o
 obj-$(CONFIG_MACH_E750)         += e750.o
 obj-$(CONFIG_MACH_E400)         += e400.o
 obj-$(CONFIG_MACH_E800)         += e800.o
+obj-$(CONFIG_MACH_PALMTE2)      += palmte2.o
 obj-$(CONFIG_MACH_PALMT5)       += palmt5.o
 obj-$(CONFIG_MACH_PALMTX)       += palmtx.o
 obj-$(CONFIG_MACH_PALMLD)       += palmld.o
diff --git a/arch/arm/mach-pxa/cm-x2xx.c b/arch/arm/mach-pxa/cm-x2xx.c
index 117b5435f8d5..b50ef39eabfc 100644
--- a/arch/arm/mach-pxa/cm-x2xx.c
+++ b/arch/arm/mach-pxa/cm-x2xx.c
@@ -121,7 +121,7 @@ static inline void cmx2xx_init_dm9000(void) {}
 /* UCB1400 touchscreen controller */
 #if defined(CONFIG_TOUCHSCREEN_UCB1400) || defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
 static struct platform_device cmx2xx_ts_device = {
-        .name           = "ucb1400_ts",
+        .name           = "ucb1400_core",
        .id             = -1,
 };
diff --git a/arch/arm/mach-pxa/colibri-pxa300.c b/arch/arm/mach-pxa/colibri-pxa300.c
index 10c2eaf93230..7c9c34c19ae2 100644
--- a/arch/arm/mach-pxa/colibri-pxa300.c
+++ b/arch/arm/mach-pxa/colibri-pxa300.c
@@ -15,7 +15,7 @@
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
-#include <net/ax88796.h>
+#include <linux/interrupt.h>
 #include <asm/mach-types.h>
 #include <asm/sizes.h>
@@ -32,12 +32,13 @@
 #if defined(CONFIG_AX88796)
 #define COLIBRI_ETH_IRQ_GPIO    mfp_to_gpio(GPIO26_GPIO)
 /*
 * Asix AX88796 Ethernet
 */
 static struct ax_plat_data colibri_asix_platdata = {
-        .flags          = AXFLG_MAC_FROMDEV,
+        .flags          = 0, /* defined later */
-        .wordlength     = 2
+        .wordlength     = 2,
 };
 static struct resource colibri_asix_resource[] = {
@@ -49,7 +50,7 @@ static struct resource colibri_asix_resource[] = {
        [1] = {
                .start = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),
                .end   = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),
-                .flags = IORESOURCE_IRQ
+                .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
        }
 };
@@ -70,8 +71,8 @@ static mfp_cfg_t colibri_pxa300_eth_pin_config[] __initdata = {
 static void __init colibri_pxa300_init_eth(void)
 {
+        colibri_pxa3xx_init_eth(&colibri_asix_platdata);
        pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_eth_pin_config));
-        set_irq_type(gpio_to_irq(COLIBRI_ETH_IRQ_GPIO), IRQ_TYPE_EDGE_FALLING);
        platform_device_register(&asix_device);
 }
 #else
diff --git a/arch/arm/mach-pxa/colibri-pxa320.c b/arch/arm/mach-pxa/colibri-pxa320.c
index 55b74a7a6151..a18d37b3c5e6 100644
--- a/arch/arm/mach-pxa/colibri-pxa320.c
+++ b/arch/arm/mach-pxa/colibri-pxa320.c
@@ -15,7 +15,7 @@
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
-#include <net/ax88796.h>
+#include <linux/interrupt.h>
 #include <asm/mach-types.h>
 #include <asm/sizes.h>
@@ -38,8 +38,8 @@
 * Asix AX88796 Ethernet
 */
 static struct ax_plat_data colibri_asix_platdata = {
-        .flags          = AXFLG_MAC_FROMDEV,
+        .flags          = 0, /* defined later */
-        .wordlength     = 2
+        .wordlength     = 2,
 };
 static struct resource colibri_asix_resource[] = {
@@ -51,7 +51,7 @@ static struct resource colibri_asix_resource[] = {
        [1] = {
                .start = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),
                .end   = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),
-                .flags = IORESOURCE_IRQ
+                .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
        }
 };
@@ -72,8 +72,8 @@ static mfp_cfg_t colibri_pxa320_eth_pin_config[] __initdata = {
 static void __init colibri_pxa320_init_eth(void)
 {
+        colibri_pxa3xx_init_eth(&colibri_asix_platdata);
        pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_eth_pin_config));
-        set_irq_type(gpio_to_irq(COLIBRI_ETH_IRQ_GPIO), IRQ_TYPE_EDGE_FALLING);
        platform_device_register(&asix_device);
 }
 #else
diff --git a/arch/arm/mach-pxa/colibri-pxa3xx.c b/arch/arm/mach-pxa/colibri-pxa3xx.c
index 12d0afc54aa5..ea34e34f8cd8 100644
--- a/arch/arm/mach-pxa/colibri-pxa3xx.c
+++ b/arch/arm/mach-pxa/colibri-pxa3xx.c
@@ -14,6 +14,7 @@
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
+#include <linux/etherdevice.h>
 #include <asm/mach-types.h>
 #include <mach/hardware.h>
 #include <asm/sizes.h>
@@ -28,6 +29,40 @@
 #include "generic.h"
 #include "devices.h"
+#if defined(CONFIG_AX88796)
+#define ETHER_ADDR_LEN 6
+static u8 ether_mac_addr[ETHER_ADDR_LEN];
+void __init colibri_pxa3xx_init_eth(struct ax_plat_data *plat_data)
+{
+        int i;
+        u64 serial = ((u64) system_serial_high << 32) | system_serial_low;
+        /*
+         * If the bootloader passed in a serial boot tag, which contains a
+         * valid ethernet MAC, pass it to the interface. Toradex ships the
+         * modules with their own bootloader which provides a valid MAC
+         * this way.
+         */
+        for (i = 0; i < ETHER_ADDR_LEN; i++) {
+                ether_mac_addr[i] = serial & 0xff;
+                serial >>= 8;
+        }
+        if (is_valid_ether_addr(ether_mac_addr)) {
+                plat_data->flags |= AXFLG_MAC_FROMPLATFORM;
+                plat_data->mac_addr = ether_mac_addr;
+                printk(KERN_INFO "%s(): taking MAC from serial boot tag\n",
+                        __func__);
+        } else {
+                plat_data->flags |= AXFLG_MAC_FROMDEV;
+                printk(KERN_INFO "%s(): no valid serial boot tag found, "
+                        "taking MAC from device\n", __func__);
+        }
+}
+#endif
 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
 static int mmc_detect_pin;
diff --git a/arch/arm/mach-pxa/csb701.c b/arch/arm/mach-pxa/csb701.c
index 4a2a2952c374..5a221a49ea4d 100644
--- a/arch/arm/mach-pxa/csb701.c
+++ b/arch/arm/mach-pxa/csb701.c
@@ -5,6 +5,8 @@
 #include <linux/input.h>
 #include <linux/leds.h>
+#include <asm/mach-types.h>
 static struct gpio_keys_button csb701_buttons[] = {
        {
                .code   = 0x7,
@@ -54,6 +56,9 @@ static struct platform_device *devices[] __initdata = {
 static int __init csb701_init(void)
 {
+        if (!machine_is_csb726())
+                return -ENODEV;
        return platform_add_devices(devices, ARRAY_SIZE(devices));
 }
diff --git a/arch/arm/mach-pxa/e740.c b/arch/arm/mach-pxa/e740.c
index 07500a04fd8c..a36fc17f671d 100644
--- a/arch/arm/mach-pxa/e740.c
+++ b/arch/arm/mach-pxa/e740.c
@@ -29,6 +29,7 @@
 #include <mach/udc.h>
 #include <mach/irda.h>
 #include <mach/irqs.h>
+#include <mach/audio.h>
 #include "generic.h"
 #include "eseries.h"
@@ -197,6 +198,7 @@ static void __init e740_init(void)
        eseries_get_tmio_gpios();
        platform_add_devices(devices, ARRAY_SIZE(devices));
        pxa_set_udc_info(&e7xx_udc_mach_info);
+        pxa_set_ac97_info(NULL);
        e7xx_irda_init();
        pxa_set_ficp_info(&e7xx_ficp_platform_data);
 }
diff --git a/arch/arm/mach-pxa/e750.c b/arch/arm/mach-pxa/e750.c
index 6126c04e02bc..1d00110590e5 100644
--- a/arch/arm/mach-pxa/e750.c
+++ b/arch/arm/mach-pxa/e750.c
@@ -28,6 +28,7 @@
 #include <mach/udc.h>
 #include <mach/irda.h>
 #include <mach/irqs.h>
+#include <mach/audio.h>
 #include "generic.h"
 #include "eseries.h"
@@ -198,6 +199,7 @@ static void __init e750_init(void)
        eseries_get_tmio_gpios();
        platform_add_devices(devices, ARRAY_SIZE(devices));
        pxa_set_udc_info(&e7xx_udc_mach_info);
+        pxa_set_ac97_info(NULL);
        e7xx_irda_init();
        pxa_set_ficp_info(&e7xx_ficp_platform_data);
 }
diff --git a/arch/arm/mach-pxa/e800.c b/arch/arm/mach-pxa/e800.c
index 74ab09812a72..9866c7b9e784 100644
--- a/arch/arm/mach-pxa/e800.c
+++ b/arch/arm/mach-pxa/e800.c
@@ -27,6 +27,7 @@
 #include <mach/eseries-gpio.h>
 #include <mach/udc.h>
 #include <mach/irqs.h>
+#include <mach/audio.h>
 #include "generic.h"
 #include "eseries.h"
@@ -199,6 +200,7 @@ static void __init e800_init(void)
        eseries_get_tmio_gpios();
        platform_add_devices(devices, ARRAY_SIZE(devices));
        pxa_set_udc_info(&e800_udc_mach_info);
+        pxa_set_ac97_info(NULL);
 }
 MACHINE_START(E800, "Toshiba e800")
diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c
index 920dfb8d36da..67611dadb44e 100644
--- a/arch/arm/mach-pxa/em-x270.c
+++ b/arch/arm/mach-pxa/em-x270.c
@@ -25,8 +25,10 @@
 #include <linux/regulator/machine.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/tdo24m.h>
+#include <linux/spi/libertas_spi.h>
 #include <linux/power_supply.h>
 #include <linux/apm-emulation.h>
+#include <linux/delay.h>
 #include <media/soc_camera.h>
@@ -62,6 +64,8 @@
 #define GPIO93_CAM_RESET        (93)
 #define GPIO41_ETHIRQ           (41)
 #define EM_X270_ETHIRQ          IRQ_GPIO(GPIO41_ETHIRQ)
+#define GPIO115_WLAN_PWEN       (115)
+#define GPIO19_WLAN_STRAP       (19)
 static int mmc_cd;
 static int nand_rb;
@@ -159,8 +163,8 @@ static unsigned long common_pin_config[] = {
        GPIO57_SSP1_TXD,
        /* SSP2 */
-        GPIO19_SSP2_SCLK,
+        GPIO19_GPIO,    /* SSP2 clock is used as GPIO for Libertas pin-strap */
-        GPIO14_SSP2_SFRM,
+        GPIO14_GPIO,
        GPIO89_SSP2_TXD,
        GPIO88_SSP2_RXD,
@@ -648,20 +652,86 @@ static struct tdo24m_platform_data em_x270_tdo24m_pdata = {
        .model = TDO35S,
 };
+static struct pxa2xx_spi_master em_x270_spi_2_info = {
+        .num_chipselect = 1,
+        .enable_dma     = 1,
+};
+static struct pxa2xx_spi_chip em_x270_libertas_chip = {
+        .rx_threshold   = 1,
+        .tx_threshold   = 1,
+        .timeout        = 1000,
+};
+static unsigned long em_x270_libertas_pin_config[] = {
+        /* SSP2 */
+        GPIO19_SSP2_SCLK,
+        GPIO14_GPIO,
+        GPIO89_SSP2_TXD,
+        GPIO88_SSP2_RXD,
+};
+static int em_x270_libertas_setup(struct spi_device *spi)
+{
+        int err = gpio_request(GPIO115_WLAN_PWEN, "WLAN PWEN");
+        if (err)
+                return err;
+        gpio_direction_output(GPIO19_WLAN_STRAP, 1);
+        mdelay(100);
+        pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_libertas_pin_config));
+        gpio_direction_output(GPIO115_WLAN_PWEN, 0);
+        mdelay(100);
+        gpio_set_value(GPIO115_WLAN_PWEN, 1);
+        mdelay(100);
+        spi->bits_per_word = 16;
+        spi_setup(spi);
+        return 0;
+}
+static int em_x270_libertas_teardown(struct spi_device *spi)
+{
+        gpio_set_value(GPIO115_WLAN_PWEN, 0);
+        gpio_free(GPIO115_WLAN_PWEN);
+        return 0;
+}
+struct libertas_spi_platform_data em_x270_libertas_pdata = {
+        .use_dummy_writes       = 1,
+        .gpio_cs                = 14,
+        .setup                  = em_x270_libertas_setup,
+        .teardown               = em_x270_libertas_teardown,
+};
 static struct spi_board_info em_x270_spi_devices[] __initdata = {
        {
-                .modalias = "tdo24m",
+                .modalias               = "tdo24m",
-                .max_speed_hz = 1000000,
+                .max_speed_hz           = 1000000,
-                .bus_num = 1,
+                .bus_num                = 1,
-                .chip_select = 0,
+                .chip_select            = 0,
-                .controller_data = &em_x270_tdo24m_chip,
+                .controller_data        = &em_x270_tdo24m_chip,
-                .platform_data = &em_x270_tdo24m_pdata,
+                .platform_data          = &em_x270_tdo24m_pdata,
+        },
+        {
+                .modalias               = "libertas_spi",
+                .max_speed_hz           = 13000000,
+                .bus_num                = 2,
+                .irq                    = IRQ_GPIO(116),
+                .chip_select            = 0,
+                .controller_data        = &em_x270_libertas_chip,
+                .platform_data          = &em_x270_libertas_pdata,
        },
 };
 static void __init em_x270_init_spi(void)
 {
        pxa2xx_set_spi_info(1, &em_x270_spi_info);
+        pxa2xx_set_spi_info(2, &em_x270_spi_2_info);
        spi_register_board_info(ARRAY_AND_SIZE(em_x270_spi_devices));
 }
 #else
diff --git a/arch/arm/mach-pxa/include/mach/colibri.h b/arch/arm/mach-pxa/include/mach/colibri.h
index 3f2a01d6a03c..90230c6f9925 100644
--- a/arch/arm/mach-pxa/include/mach/colibri.h
+++ b/arch/arm/mach-pxa/include/mach/colibri.h
@@ -1,5 +1,8 @@
 #ifndef _COLIBRI_H_
 #define _COLIBRI_H_
+#include <net/ax88796.h>
 /*
 * common settings for all modules
 */
@@ -16,6 +19,10 @@ extern void colibri_pxa3xx_init_lcd(int bl_pin);
 static inline void colibri_pxa3xx_init_lcd(int) {}
 #endif
+#if defined(CONFIG_AX88796)
+extern void colibri_pxa3xx_init_eth(struct ax_plat_data *plat_data);
+#endif
 /* physical memory regions */
 #define COLIBRI_SDRAM_BASE      0xa0000000      /* SDRAM region */
diff --git a/arch/arm/mach-pxa/include/mach/magician.h b/arch/arm/mach-pxa/include/mach/magician.h
index 82a399f3f9f2..20ef37d4a9a7 100644
--- a/arch/arm/mach-pxa/include/mach/magician.h
+++ b/arch/arm/mach-pxa/include/mach/magician.h
@@ -27,7 +27,7 @@
 #define GPIO22_MAGICIAN_VIBRA_EN                22
 #define GPIO26_MAGICIAN_GSM_POWER               26
 #define GPIO27_MAGICIAN_USBC_PUEN               27
-#define GPIO30_MAGICIAN_nCHARGE_EN              30
+#define GPIO30_MAGICIAN_BQ24022_nCHARGE_EN      30
 #define GPIO37_MAGICIAN_KEY_HANGUP              37
 #define GPIO38_MAGICIAN_KEY_CONTACTS            38
 #define GPIO40_MAGICIAN_GSM_OUT2                40
@@ -98,7 +98,7 @@
 #define EGPIO_MAGICIAN_UNKNOWN_WAVEDEV_DLL      MAGICIAN_EGPIO(2, 2)
 #define EGPIO_MAGICIAN_FLASH_VPP                MAGICIAN_EGPIO(2, 3)
 #define EGPIO_MAGICIAN_BL_POWER2                MAGICIAN_EGPIO(2, 4)
-#define EGPIO_MAGICIAN_CHARGE_EN                MAGICIAN_EGPIO(2, 5)
+#define EGPIO_MAGICIAN_BQ24022_ISET2            MAGICIAN_EGPIO(2, 5)
 #define EGPIO_MAGICIAN_GSM_POWER                MAGICIAN_EGPIO(2, 7)
 /* input */
diff --git a/arch/arm/mach-pxa/include/mach/palmld.h b/arch/arm/mach-pxa/include/mach/palmld.h
index 7c295a48d784..fb13c82ad6dc 100644
--- a/arch/arm/mach-pxa/include/mach/palmld.h
+++ b/arch/arm/mach-pxa/include/mach/palmld.h
@@ -87,6 +87,7 @@
 #define PALMLD_IDE_SIZE         0x00100000
 #define PALMLD_PHYS_IO_START    0x40000000
+#define PALMLD_STR_BASE         0xa0200000
 /* BATTERY */
 #define PALMLD_BAT_MAX_VOLTAGE          4000    /* 4.00V maximum voltage */
diff --git a/arch/arm/mach-pxa/include/mach/palmt5.h b/arch/arm/mach-pxa/include/mach/palmt5.h
index 94db2881f048..052bfe788ada 100644
--- a/arch/arm/mach-pxa/include/mach/palmt5.h
+++ b/arch/arm/mach-pxa/include/mach/palmt5.h
@@ -59,6 +59,7 @@
 /* Various addresses  */
 #define PALMT5_PHYS_RAM_START   0xa0000000
 #define PALMT5_PHYS_IO_START    0x40000000
+#define PALMT5_STR_BASE         0xa0200000
 /* TOUCHSCREEN */
 #define AC97_LINK_FRAME         21
diff --git a/arch/arm/mach-pxa/include/mach/palmte2.h b/arch/arm/mach-pxa/include/mach/palmte2.h
new file mode 100644
index 000000000000..12361341f9d8
--- /dev/null
+++ b/arch/arm/mach-pxa/include/mach/palmte2.h
@@ -0,0 +1,68 @@
+/*
+ * GPIOs and interrupts for Palm Tungsten|E2 Handheld Computer
+ *
+ * Author:
+ *              Carlos Eduardo Medaglia Dyonisio <cadu@nerdfeliz.com>
+ *
+ * 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 _INCLUDE_PALMTE2_H_
+#define _INCLUDE_PALMTE2_H_
+/** HERE ARE GPIOs **/
+/* GPIOs */
+#define GPIO_NR_PALMTE2_POWER_DETECT            9
+#define GPIO_NR_PALMTE2_HOTSYNC_BUTTON_N        4
+#define GPIO_NR_PALMTE2_EARPHONE_DETECT         15
+/* SD/MMC */
+#define GPIO_NR_PALMTE2_SD_DETECT_N             10
+#define GPIO_NR_PALMTE2_SD_POWER                55
+#define GPIO_NR_PALMTE2_SD_READONLY             51
+/* IRDA -  disable GPIO connected to SD pin of tranceiver (TFBS4710?) ? */
+#define GPIO_NR_PALMTE2_IR_DISABLE              48
+/* USB */
+#define GPIO_NR_PALMTE2_USB_DETECT_N            35
+#define GPIO_NR_PALMTE2_USB_PULLUP              53
+/* LCD/BACKLIGHT */
+#define GPIO_NR_PALMTE2_BL_POWER                56
+#define GPIO_NR_PALMTE2_LCD_POWER               37
+/* KEYS */
+#define GPIO_NR_PALMTE2_KEY_NOTES       5
+#define GPIO_NR_PALMTE2_KEY_TASKS       7
+#define GPIO_NR_PALMTE2_KEY_CALENDAR    11
+#define GPIO_NR_PALMTE2_KEY_CONTACTS    13
+#define GPIO_NR_PALMTE2_KEY_CENTER      14
+#define GPIO_NR_PALMTE2_KEY_LEFT        19
+#define GPIO_NR_PALMTE2_KEY_RIGHT       20
+#define GPIO_NR_PALMTE2_KEY_DOWN        21
+#define GPIO_NR_PALMTE2_KEY_UP          22
+/** HERE ARE INIT VALUES **/
+/* BACKLIGHT */
+#define PALMTE2_MAX_INTENSITY           0xFE
+#define PALMTE2_DEFAULT_INTENSITY       0x7E
+#define PALMTE2_LIMIT_MASK              0x7F
+#define PALMTE2_PRESCALER               0x3F
+#define PALMTE2_PERIOD_NS               3500
+/* BATTERY */
+#define PALMTE2_BAT_MAX_VOLTAGE         4000    /* 4.00v current voltage */
+#define PALMTE2_BAT_MIN_VOLTAGE         3550    /* 3.55v critical voltage */
+#define PALMTE2_BAT_MAX_CURRENT         0       /* unknokn */
+#define PALMTE2_BAT_MIN_CURRENT         0       /* unknown */
+#define PALMTE2_BAT_MAX_CHARGE          1       /* unknown */
+#define PALMTE2_BAT_MIN_CHARGE          1       /* unknown */
+#define PALMTE2_MAX_LIFE_MINS           360     /* on-life in minutes */
+#endif
diff --git a/arch/arm/mach-pxa/include/mach/palmtx.h b/arch/arm/mach-pxa/include/mach/palmtx.h
index 1e8bccbda510..9f7d62fb4cbb 100644
--- a/arch/arm/mach-pxa/include/mach/palmtx.h
+++ b/arch/arm/mach-pxa/include/mach/palmtx.h
@@ -78,6 +78,8 @@
 #define PALMTX_PHYS_RAM_START   0xa0000000
 #define PALMTX_PHYS_IO_START    0x40000000
+#define PALMTX_STR_BASE         0xa0200000
 #define PALMTX_PHYS_FLASH_START PXA_CS0_PHYS    /* ChipSelect 0 */
 #define PALMTX_PHYS_NAND_START  PXA_CS1_PHYS    /* ChipSelect 1 */
diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index deeea1c2782b..c899bbd94dc0 100644
--- a/arch/arm/mach-pxa/magician.c
+++ b/arch/arm/mach-pxa/magician.c
@@ -25,6 +25,8 @@
 #include <linux/mtd/physmap.h>
 #include <linux/pda_power.h>
 #include <linux/pwm_backlight.h>
+#include <linux/regulator/bq24022.h>
+#include <linux/regulator/machine.h>
 #include <linux/usb/gpio_vbus.h>
 #include <mach/hardware.h>
@@ -552,33 +554,7 @@ static struct platform_device gpio_vbus = {
 static int power_supply_init(struct device *dev)
 {
-        int ret;
+        return gpio_request(EGPIO_MAGICIAN_CABLE_STATE_AC, "CABLE_STATE_AC");
-        ret = gpio_request(EGPIO_MAGICIAN_CABLE_STATE_AC, "CABLE_STATE_AC");
-        if (ret)
-                goto err_cs_ac;
-        ret = gpio_request(EGPIO_MAGICIAN_CABLE_STATE_USB, "CABLE_STATE_USB");
-        if (ret)
-                goto err_cs_usb;
-        ret = gpio_request(EGPIO_MAGICIAN_CHARGE_EN, "CHARGE_EN");
-        if (ret)
-                goto err_chg_en;
-        ret = gpio_request(GPIO30_MAGICIAN_nCHARGE_EN, "nCHARGE_EN");
-        if (!ret)
-                ret = gpio_direction_output(GPIO30_MAGICIAN_nCHARGE_EN, 0);
-        if (ret)
-                goto err_nchg_en;
-        return 0;
-err_nchg_en:
-        gpio_free(EGPIO_MAGICIAN_CHARGE_EN);
-err_chg_en:
-        gpio_free(EGPIO_MAGICIAN_CABLE_STATE_USB);
-err_cs_usb:
-        gpio_free(EGPIO_MAGICIAN_CABLE_STATE_AC);
-err_cs_ac:
-        return ret;
 }
 static int magician_is_ac_online(void)
@@ -586,22 +562,8 @@ static int magician_is_ac_online(void)
        return gpio_get_value(EGPIO_MAGICIAN_CABLE_STATE_AC);
 }
-static int magician_is_usb_online(void)
-{
-        return gpio_get_value(EGPIO_MAGICIAN_CABLE_STATE_USB);
-}
-static void magician_set_charge(int flags)
-{
-        gpio_set_value(GPIO30_MAGICIAN_nCHARGE_EN, !flags);
-        gpio_set_value(EGPIO_MAGICIAN_CHARGE_EN, flags);
-}
 static void power_supply_exit(struct device *dev)
 {
-        gpio_free(GPIO30_MAGICIAN_nCHARGE_EN);
-        gpio_free(EGPIO_MAGICIAN_CHARGE_EN);
-        gpio_free(EGPIO_MAGICIAN_CABLE_STATE_USB);
        gpio_free(EGPIO_MAGICIAN_CABLE_STATE_AC);
 }
@@ -612,8 +574,6 @@ static char *magician_supplicants[] = {
 static struct pda_power_pdata power_supply_info = {
        .init            = power_supply_init,
        .is_ac_online    = magician_is_ac_online,
-        .is_usb_online   = magician_is_usb_online,
-        .set_charge      = magician_set_charge,
        .exit            = power_supply_exit,
        .supplied_to     = magician_supplicants,
        .num_supplicants = ARRAY_SIZE(magician_supplicants),
@@ -646,6 +606,43 @@ static struct platform_device power_supply = {
        .num_resources = ARRAY_SIZE(power_supply_resources),
 };
+/*
+ * Battery charger
+ */
+static struct regulator_consumer_supply bq24022_consumers[] = {
+        {
+                .dev = &gpio_vbus.dev,
+                .supply = "vbus_draw",
+        },
+        {
+                .dev = &power_supply.dev,
+                .supply = "ac_draw",
+        },
+};
+static struct regulator_init_data bq24022_init_data = {
+        .constraints = {
+                .max_uA         = 500000,
+                .valid_ops_mask = REGULATOR_CHANGE_CURRENT,
+        },
+        .num_consumer_supplies  = ARRAY_SIZE(bq24022_consumers),
+        .consumer_supplies      = bq24022_consumers,
+};
+static struct bq24022_mach_info bq24022_info = {
+        .gpio_nce   = GPIO30_MAGICIAN_BQ24022_nCHARGE_EN,
+        .gpio_iset2 = EGPIO_MAGICIAN_BQ24022_ISET2,
+        .init_data  = &bq24022_init_data,
+};
+static struct platform_device bq24022 = {
+        .name = "bq24022",
+        .id   = -1,
+        .dev  = {
+                .platform_data = &bq24022_info,
+        },
+};
 /*
 * MMC/SD
@@ -756,6 +753,7 @@ static struct platform_device *devices[] __initdata = {
        &egpio,
        &backlight,
        &pasic3,
+        &bq24022,
        &gpio_vbus,
        &power_supply,
        &strataflash,
diff --git a/arch/arm/mach-pxa/mioa701.c b/arch/arm/mach-pxa/mioa701.c
index 97c93a7a285c..9203b069b35c 100644
--- a/arch/arm/mach-pxa/mioa701.c
+++ b/arch/arm/mach-pxa/mioa701.c
@@ -50,6 +50,7 @@
 #include <mach/pxa27x-udc.h>
 #include <mach/i2c.h>
 #include <mach/camera.h>
+#include <mach/audio.h>
 #include <media/soc_camera.h>
 #include <mach/mioa701.h>
@@ -763,8 +764,6 @@ MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight",  &pxa27x_device_pwm0.dev,
                &mioa701_backlight_data);
 MIO_SIMPLE_DEV(mioa701_led,       "leds-gpio",      &gpio_led_info)
 MIO_SIMPLE_DEV(pxa2xx_pcm,        "pxa2xx-pcm",     NULL)
-MIO_SIMPLE_DEV(pxa2xx_ac97,       "pxa2xx-ac97",    NULL)
-MIO_PARENT_DEV(mio_wm9713_codec,  "wm9713-codec",   &pxa2xx_ac97.dev, NULL)
 MIO_SIMPLE_DEV(mioa701_sound,     "mioa701-wm9713", NULL)
 MIO_SIMPLE_DEV(mioa701_board,     "mioa701-board",  NULL)
 MIO_SIMPLE_DEV(gpio_vbus,         "gpio-vbus",      &gpio_vbus_data);
@@ -774,8 +773,6 @@ static struct platform_device *devices[] __initdata = {
        &mioa701_backlight,
        &mioa701_led,
        &pxa2xx_pcm,
-        &pxa2xx_ac97,
-        &mio_wm9713_codec,
        &mioa701_sound,
        &power_dev,
        &strataflash,
@@ -818,6 +815,7 @@ static void __init mioa701_machine_init(void)
        pxa_set_keypad_info(&mioa701_keypad_info);
        wm97xx_bat_set_pdata(&mioa701_battery_data);
        pxa_set_udc_info(&mioa701_udc_info);
+        pxa_set_ac97_info(NULL);
        pm_power_off = mioa701_poweroff;
        arm_pm_restart = mioa701_restart;
        platform_add_devices(devices, ARRAY_SIZE(devices));
diff --git a/arch/arm/mach-pxa/palmld.c b/arch/arm/mach-pxa/palmld.c
index 8587477a9bb7..ecf5910e39d7 100644
--- a/arch/arm/mach-pxa/palmld.c
+++ b/arch/arm/mach-pxa/palmld.c
@@ -24,6 +24,7 @@
 #include <linux/gpio.h>
 #include <linux/wm97xx_batt.h>
 #include <linux/power_supply.h>
+#include <linux/sysdev.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -68,10 +69,10 @@ static unsigned long palmld_pin_config[] __initdata = {
        GPIO47_FICP_TXD,
        /* MATRIX KEYPAD */
-        GPIO100_KP_MKIN_0,
+        GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
-        GPIO101_KP_MKIN_1,
+        GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
-        GPIO102_KP_MKIN_2,
+        GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
-        GPIO97_KP_MKIN_3,
+        GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
        GPIO103_KP_MKOUT_0,
        GPIO104_KP_MKOUT_1,
        GPIO105_KP_MKOUT_2,
@@ -507,6 +508,33 @@ static struct pxafb_mach_info palmld_lcd_screen = {
 };
 /******************************************************************************
+ * Power management - standby
+ ******************************************************************************/
+#ifdef CONFIG_PM
+static u32 *addr __initdata;
+static u32 resume[3] __initdata = {
+        0xe3a00101,     /* mov  r0,     #0x40000000 */
+        0xe380060f,     /* orr  r0, r0, #0x00f00000 */
+        0xe590f008,     /* ldr  pc, [r0, #0x08] */
+};
+static int __init palmld_pm_init(void)
+{
+        int i;
+        /* this is where the bootloader jumps */
+        addr = phys_to_virt(PALMLD_STR_BASE);
+        for (i = 0; i < 3; i++)
+                addr[i] = resume[i];
+        return 0;
+}
+device_initcall(palmld_pm_init);
+#endif
+/******************************************************************************
 * Machine init
 ******************************************************************************/
 static struct platform_device *devices[] __initdata = {
diff --git a/arch/arm/mach-pxa/palmt5.c b/arch/arm/mach-pxa/palmt5.c
index 9521c7b33492..0680f1a575a3 100644
--- a/arch/arm/mach-pxa/palmt5.c
+++ b/arch/arm/mach-pxa/palmt5.c
@@ -75,10 +75,10 @@ static unsigned long palmt5_pin_config[] __initdata = {
        GPIO95_GPIO,    /* usb power */
        /* MATRIX KEYPAD */
-        GPIO100_KP_MKIN_0,
+        GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
-        GPIO101_KP_MKIN_1,
+        GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
-        GPIO102_KP_MKIN_2,
+        GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
-        GPIO97_KP_MKIN_3,
+        GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
        GPIO103_KP_MKOUT_0,
        GPIO104_KP_MKOUT_1,
        GPIO105_KP_MKOUT_2,
@@ -450,6 +450,33 @@ static struct pxafb_mach_info palmt5_lcd_screen = {
 };
 /******************************************************************************
+ * Power management - standby
+ ******************************************************************************/
+#ifdef CONFIG_PM
+static u32 *addr __initdata;
+static u32 resume[3] __initdata = {
+        0xe3a00101,     /* mov  r0,     #0x40000000 */
+        0xe380060f,     /* orr  r0, r0, #0x00f00000 */
+        0xe590f008,     /* ldr  pc, [r0, #0x08] */
+};
+static int __init palmt5_pm_init(void)
+{
+        int i;
+        /* this is where the bootloader jumps */
+        addr = phys_to_virt(PALMT5_STR_BASE);
+        for (i = 0; i < 3; i++)
+                addr[i] = resume[i];
+        return 0;
+}
+device_initcall(palmt5_pm_init);
+#endif
+/******************************************************************************
 * Machine init
 ******************************************************************************/
 static struct platform_device *devices[] __initdata = {
diff --git a/arch/arm/mach-pxa/palmte2.c b/arch/arm/mach-pxa/palmte2.c
new file mode 100644
index 000000000000..43fcf2e86887
--- /dev/null
+++ b/arch/arm/mach-pxa/palmte2.c
@@ -0,0 +1,466 @@
+/*
+ * Hardware definitions for Palm Tungsten|E2
+ *
+ * Author:
+ *      Carlos Eduardo Medaglia Dyonisio <cadu@nerdfeliz.com>
+ *
+ * Rewrite for mainline:
+ *      Marek Vasut <marek.vasut@gmail.com>
+ *
+ * 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.
+ *
+ * (find more info at www.hackndev.com)
+ *
+ */
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/irq.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/pda_power.h>
+#include <linux/pwm_backlight.h>
+#include <linux/gpio.h>
+#include <linux/wm97xx_batt.h>
+#include <linux/power_supply.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <mach/audio.h>
+#include <mach/palmte2.h>
+#include <mach/mmc.h>
+#include <mach/pxafb.h>
+#include <mach/mfp-pxa25x.h>
+#include <mach/irda.h>
+#include <mach/udc.h>
+#include "generic.h"
+#include "devices.h"
+/******************************************************************************
+ * Pin configuration
+ ******************************************************************************/
+static unsigned long palmte2_pin_config[] __initdata = {
+        /* MMC */
+        GPIO6_MMC_CLK,
+        GPIO8_MMC_CS0,
+        GPIO10_GPIO,    /* SD detect */
+        GPIO55_GPIO,    /* SD power */
+        GPIO51_GPIO,    /* SD r/o switch */
+        /* AC97 */
+        GPIO28_AC97_BITCLK,
+        GPIO29_AC97_SDATA_IN_0,
+        GPIO30_AC97_SDATA_OUT,
+        GPIO31_AC97_SYNC,
+        /* PWM */
+        GPIO16_PWM0_OUT,
+        /* USB */
+        GPIO15_GPIO,    /* usb detect */
+        GPIO53_GPIO,    /* usb power */
+        /* IrDA */
+        GPIO48_GPIO,    /* ir disable */
+        GPIO46_FICP_RXD,
+        GPIO47_FICP_TXD,
+        /* LCD */
+        GPIO58_LCD_LDD_0,
+        GPIO59_LCD_LDD_1,
+        GPIO60_LCD_LDD_2,
+        GPIO61_LCD_LDD_3,
+        GPIO62_LCD_LDD_4,
+        GPIO63_LCD_LDD_5,
+        GPIO64_LCD_LDD_6,
+        GPIO65_LCD_LDD_7,
+        GPIO66_LCD_LDD_8,
+        GPIO67_LCD_LDD_9,
+        GPIO68_LCD_LDD_10,
+        GPIO69_LCD_LDD_11,
+        GPIO70_LCD_LDD_12,
+        GPIO71_LCD_LDD_13,
+        GPIO72_LCD_LDD_14,
+        GPIO73_LCD_LDD_15,
+        GPIO74_LCD_FCLK,
+        GPIO75_LCD_LCLK,
+        GPIO76_LCD_PCLK,
+        GPIO77_LCD_BIAS,
+        /* GPIO KEYS */
+        GPIO5_GPIO,     /* notes */
+        GPIO7_GPIO,     /* tasks */
+        GPIO11_GPIO,    /* calendar */
+        GPIO13_GPIO,    /* contacts */
+        GPIO14_GPIO,    /* center */
+        GPIO19_GPIO,    /* left */
+        GPIO20_GPIO,    /* right */
+        GPIO21_GPIO,    /* down */
+        GPIO22_GPIO,    /* up */
+        /* MISC */
+        GPIO1_RST,      /* reset */
+        GPIO4_GPIO,     /* Hotsync button */
+        GPIO9_GPIO,     /* power detect */
+        GPIO37_GPIO,    /* LCD power */
+        GPIO56_GPIO,    /* Backlight power */
+};
+/******************************************************************************
+ * SD/MMC card controller
+ ******************************************************************************/
+static int palmte2_mci_init(struct device *dev,
+                                irq_handler_t palmte2_detect_int, void *data)
+{
+        int err = 0;
+        /* Setup an interrupt for detecting card insert/remove events */
+        err = gpio_request(GPIO_NR_PALMTE2_SD_DETECT_N, "SD IRQ");
+        if (err)
+                goto err;
+        err = gpio_direction_input(GPIO_NR_PALMTE2_SD_DETECT_N);
+        if (err)
+                goto err2;
+        err = request_irq(gpio_to_irq(GPIO_NR_PALMTE2_SD_DETECT_N),
+                        palmte2_detect_int, IRQF_DISABLED | IRQF_SAMPLE_RANDOM |
+                        IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
+                        "SD/MMC card detect", data);
+        if (err) {
+                printk(KERN_ERR "%s: cannot request SD/MMC card detect IRQ\n",
+                                __func__);
+                goto err2;
+        }
+        err = gpio_request(GPIO_NR_PALMTE2_SD_POWER, "SD_POWER");
+        if (err)
+                goto err3;
+        err = gpio_direction_output(GPIO_NR_PALMTE2_SD_POWER, 0);
+        if (err)
+                goto err4;
+        err = gpio_request(GPIO_NR_PALMTE2_SD_READONLY, "SD_READONLY");
+        if (err)
+                goto err4;
+        err = gpio_direction_input(GPIO_NR_PALMTE2_SD_READONLY);
+        if (err)
+                goto err5;
+        printk(KERN_DEBUG "%s: irq registered\n", __func__);
+        return 0;
+err5:
+        gpio_free(GPIO_NR_PALMTE2_SD_READONLY);
+err4:
+        gpio_free(GPIO_NR_PALMTE2_SD_POWER);
+err3:
+        free_irq(gpio_to_irq(GPIO_NR_PALMTE2_SD_DETECT_N), data);
+err2:
+        gpio_free(GPIO_NR_PALMTE2_SD_DETECT_N);
+err:
+        return err;
+}
+static void palmte2_mci_exit(struct device *dev, void *data)
+{
+        gpio_free(GPIO_NR_PALMTE2_SD_READONLY);
+        gpio_free(GPIO_NR_PALMTE2_SD_POWER);
+        free_irq(gpio_to_irq(GPIO_NR_PALMTE2_SD_DETECT_N), data);
+        gpio_free(GPIO_NR_PALMTE2_SD_DETECT_N);
+}
+static void palmte2_mci_power(struct device *dev, unsigned int vdd)
+{
+        struct pxamci_platform_data *p_d = dev->platform_data;
+        gpio_set_value(GPIO_NR_PALMTE2_SD_POWER, p_d->ocr_mask & (1 << vdd));
+}
+static int palmte2_mci_get_ro(struct device *dev)
+{
+        return gpio_get_value(GPIO_NR_PALMTE2_SD_READONLY);
+}
+static struct pxamci_platform_data palmte2_mci_platform_data = {
+        .ocr_mask       = MMC_VDD_32_33 | MMC_VDD_33_34,
+        .setpower       = palmte2_mci_power,
+        .get_ro         = palmte2_mci_get_ro,
+        .init           = palmte2_mci_init,
+        .exit           = palmte2_mci_exit,
+};
+/******************************************************************************
+ * GPIO keys
+ ******************************************************************************/
+static struct gpio_keys_button palmte2_pxa_buttons[] = {
+        {KEY_F1,        GPIO_NR_PALMTE2_KEY_CONTACTS,   1, "Contacts" },
+        {KEY_F2,        GPIO_NR_PALMTE2_KEY_CALENDAR,   1, "Calendar" },
+        {KEY_F3,        GPIO_NR_PALMTE2_KEY_TASKS,      1, "Tasks" },
+        {KEY_F4,        GPIO_NR_PALMTE2_KEY_NOTES,      1, "Notes" },
+        {KEY_ENTER,     GPIO_NR_PALMTE2_KEY_CENTER,     1, "Center" },
+        {KEY_LEFT,      GPIO_NR_PALMTE2_KEY_LEFT,       1, "Left" },
+        {KEY_RIGHT,     GPIO_NR_PALMTE2_KEY_RIGHT,      1, "Right" },
+        {KEY_DOWN,      GPIO_NR_PALMTE2_KEY_DOWN,       1, "Down" },
+        {KEY_UP,        GPIO_NR_PALMTE2_KEY_UP,         1, "Up" },
+};
+static struct gpio_keys_platform_data palmte2_pxa_keys_data = {
+        .buttons        = palmte2_pxa_buttons,
+        .nbuttons       = ARRAY_SIZE(palmte2_pxa_buttons),
+};
+static struct platform_device palmte2_pxa_keys = {
+        .name   = "gpio-keys",
+        .id     = -1,
+        .dev    = {
+                .platform_data = &palmte2_pxa_keys_data,
+        },
+};
+/******************************************************************************
+ * Backlight
+ ******************************************************************************/
+static int palmte2_backlight_init(struct device *dev)
+{
+        int ret;
+        ret = gpio_request(GPIO_NR_PALMTE2_BL_POWER, "BL POWER");
+        if (ret)
+                goto err;
+        ret = gpio_direction_output(GPIO_NR_PALMTE2_BL_POWER, 0);
+        if (ret)
+                goto err2;
+        ret = gpio_request(GPIO_NR_PALMTE2_LCD_POWER, "LCD POWER");
+        if (ret)
+                goto err2;
+        ret = gpio_direction_output(GPIO_NR_PALMTE2_LCD_POWER, 0);
+        if (ret)
+                goto err3;
+        return 0;
+err3:
+        gpio_free(GPIO_NR_PALMTE2_LCD_POWER);
+err2:
+        gpio_free(GPIO_NR_PALMTE2_BL_POWER);
+err:
+        return ret;
+}
+static int palmte2_backlight_notify(int brightness)
+{
+        gpio_set_value(GPIO_NR_PALMTE2_BL_POWER, brightness);
+        gpio_set_value(GPIO_NR_PALMTE2_LCD_POWER, brightness);
+        return brightness;
+}
+static void palmte2_backlight_exit(struct device *dev)
+{
+        gpio_free(GPIO_NR_PALMTE2_BL_POWER);
+        gpio_free(GPIO_NR_PALMTE2_LCD_POWER);
+}
+static struct platform_pwm_backlight_data palmte2_backlight_data = {
+        .pwm_id         = 0,
+        .max_brightness = PALMTE2_MAX_INTENSITY,
+        .dft_brightness = PALMTE2_MAX_INTENSITY,
+        .pwm_period_ns  = PALMTE2_PERIOD_NS,
+        .init           = palmte2_backlight_init,
+        .notify         = palmte2_backlight_notify,
+        .exit           = palmte2_backlight_exit,
+};
+static struct platform_device palmte2_backlight = {
+        .name   = "pwm-backlight",
+        .dev    = {
+                .parent         = &pxa25x_device_pwm0.dev,
+                .platform_data  = &palmte2_backlight_data,
+        },
+};
+/******************************************************************************
+ * IrDA
+ ******************************************************************************/
+static int palmte2_irda_startup(struct device *dev)
+{
+        int err;
+        err = gpio_request(GPIO_NR_PALMTE2_IR_DISABLE, "IR DISABLE");
+        if (err)
+                goto err;
+        err = gpio_direction_output(GPIO_NR_PALMTE2_IR_DISABLE, 1);
+        if (err)
+                gpio_free(GPIO_NR_PALMTE2_IR_DISABLE);
+err:
+        return err;
+}
+static void palmte2_irda_shutdown(struct device *dev)
+{
+        gpio_free(GPIO_NR_PALMTE2_IR_DISABLE);
+}
+static void palmte2_irda_transceiver_mode(struct device *dev, int mode)
+{
+        gpio_set_value(GPIO_NR_PALMTE2_IR_DISABLE, mode & IR_OFF);
+        pxa2xx_transceiver_mode(dev, mode);
+}
+static struct pxaficp_platform_data palmte2_ficp_platform_data = {
+        .startup                = palmte2_irda_startup,
+        .shutdown               = palmte2_irda_shutdown,
+        .transceiver_cap        = IR_SIRMODE | IR_FIRMODE | IR_OFF,
+        .transceiver_mode       = palmte2_irda_transceiver_mode,
+};
+/******************************************************************************
+ * UDC
+ ******************************************************************************/
+static struct pxa2xx_udc_mach_info palmte2_udc_info __initdata = {
+        .gpio_vbus              = GPIO_NR_PALMTE2_USB_DETECT_N,
+        .gpio_vbus_inverted     = 1,
+        .gpio_pullup            = GPIO_NR_PALMTE2_USB_PULLUP,
+        .gpio_pullup_inverted   = 0,
+};
+/******************************************************************************
+ * Power supply
+ ******************************************************************************/
+static int power_supply_init(struct device *dev)
+{
+        int ret;
+        ret = gpio_request(GPIO_NR_PALMTE2_POWER_DETECT, "CABLE_STATE_AC");
+        if (ret)
+                goto err1;
+        ret = gpio_direction_input(GPIO_NR_PALMTE2_POWER_DETECT);
+        if (ret)
+                goto err2;
+        return 0;
+err2:
+        gpio_free(GPIO_NR_PALMTE2_POWER_DETECT);
+err1:
+        return ret;
+}
+static int palmte2_is_ac_online(void)
+{
+        return gpio_get_value(GPIO_NR_PALMTE2_POWER_DETECT);
+}
+static void power_supply_exit(struct device *dev)
+{
+        gpio_free(GPIO_NR_PALMTE2_POWER_DETECT);
+}
+static char *palmte2_supplicants[] = {
+        "main-battery",
+};
+static struct pda_power_pdata power_supply_info = {
+        .init            = power_supply_init,
+        .is_ac_online    = palmte2_is_ac_online,
+        .exit            = power_supply_exit,
+        .supplied_to     = palmte2_supplicants,
+        .num_supplicants = ARRAY_SIZE(palmte2_supplicants),
+};
+static struct platform_device power_supply = {
+        .name = "pda-power",
+        .id   = -1,
+        .dev  = {
+                .platform_data = &power_supply_info,
+        },
+};
+/******************************************************************************
+ * WM97xx battery
+ ******************************************************************************/
+static struct wm97xx_batt_info wm97xx_batt_pdata = {
+        .batt_aux       = WM97XX_AUX_ID3,
+        .temp_aux       = WM97XX_AUX_ID2,
+        .charge_gpio    = -1,
+        .max_voltage    = PALMTE2_BAT_MAX_VOLTAGE,
+        .min_voltage    = PALMTE2_BAT_MIN_VOLTAGE,
+        .batt_mult      = 1000,
+        .batt_div       = 414,
+        .temp_mult      = 1,
+        .temp_div       = 1,
+        .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LIPO,
+        .batt_name      = "main-batt",
+};
+/******************************************************************************
+ * Framebuffer
+ ******************************************************************************/
+static struct pxafb_mode_info palmte2_lcd_modes[] = {
+{
+        .pixclock       = 77757,
+        .xres           = 320,
+        .yres           = 320,
+        .bpp            = 16,
+        .left_margin    = 28,
+        .right_margin   = 7,
+        .upper_margin   = 7,
+        .lower_margin   = 5,
+        .hsync_len      = 4,
+        .vsync_len      = 1,
+},
+};
+static struct pxafb_mach_info palmte2_lcd_screen = {
+        .modes          = palmte2_lcd_modes,
+        .num_modes      = ARRAY_SIZE(palmte2_lcd_modes),
+        .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
+};
+/******************************************************************************
+ * Machine init
+ ******************************************************************************/
+static struct platform_device *devices[] __initdata = {
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+        &palmte2_pxa_keys,
+#endif
+        &palmte2_backlight,
+        &power_supply,
+};
+/* setup udc GPIOs initial state */
+static void __init palmte2_udc_init(void)
+{
+        if (!gpio_request(GPIO_NR_PALMTE2_USB_PULLUP, "UDC Vbus")) {
+                gpio_direction_output(GPIO_NR_PALMTE2_USB_PULLUP, 1);
+                gpio_free(GPIO_NR_PALMTE2_USB_PULLUP);
+        }
+}
+static void __init palmte2_init(void)
+{
+        pxa2xx_mfp_config(ARRAY_AND_SIZE(palmte2_pin_config));
+        set_pxa_fb_info(&palmte2_lcd_screen);
+        pxa_set_mci_info(&palmte2_mci_platform_data);
+        palmte2_udc_init();
+        pxa_set_udc_info(&palmte2_udc_info);
+        pxa_set_ac97_info(NULL);
+        pxa_set_ficp_info(&palmte2_ficp_platform_data);
+        wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
+        platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+MACHINE_START(PALMTE2, "Palm Tungsten|E2")
+        .phys_io        = 0x40000000,
+        .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
+        .boot_params    = 0xa0000100,
+        .map_io         = pxa_map_io,
+        .init_irq       = pxa25x_init_irq,
+        .timer          = &pxa_timer,
+        .init_machine   = palmte2_init
+MACHINE_END
diff --git a/arch/arm/mach-pxa/palmtx.c b/arch/arm/mach-pxa/palmtx.c
index b490c0924619..59d0c1cba556 100644
--- a/arch/arm/mach-pxa/palmtx.c
+++ b/arch/arm/mach-pxa/palmtx.c
@@ -93,10 +93,10 @@ static unsigned long palmtx_pin_config[] __initdata = {
        GPIO116_GPIO,   /* wifi ready */
        /* MATRIX KEYPAD */
-        GPIO100_KP_MKIN_0,
+        GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
-        GPIO101_KP_MKIN_1,
+        GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
-        GPIO102_KP_MKIN_2,
+        GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
-        GPIO97_KP_MKIN_3,
+        GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
        GPIO103_KP_MKOUT_0,
        GPIO104_KP_MKOUT_1,
        GPIO105_KP_MKOUT_2,
@@ -459,6 +459,33 @@ static struct pxafb_mach_info palmtx_lcd_screen = {
 };
 /******************************************************************************
+ * Power management - standby
+ ******************************************************************************/
+#ifdef CONFIG_PM
+static u32 *addr __initdata;
+static u32 resume[3] __initdata = {
+        0xe3a00101,     /* mov  r0,     #0x40000000 */
+        0xe380060f,     /* orr  r0, r0, #0x00f00000 */
+        0xe590f008,     /* ldr  pc, [r0, #0x08] */
+};
+static int __init palmtx_pm_init(void)
+{
+        int i;
+        /* this is where the bootloader jumps */
+        addr = phys_to_virt(PALMTX_STR_BASE);
+        for (i = 0; i < 3; i++)
+                addr[i] = resume[i];
+        return 0;
+}
+device_initcall(palmtx_pm_init);
+#endif
+/******************************************************************************
 * Machine init
 ******************************************************************************/
 static struct platform_device *devices[] __initdata = {
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index 6e8ade6ae339..afac5b6d3d78 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -45,6 +45,7 @@
 #include <mach/udc.h>
 #include <mach/tosa_bt.h>
 #include <mach/pxa2xx_spi.h>
+#include <mach/audio.h>
 #include <asm/mach/arch.h>
 #include <mach/tosa.h>
@@ -914,6 +915,7 @@ static void __init tosa_init(void)
        pxa_set_udc_info(&udc_info);
        pxa_set_ficp_info(&tosa_ficp_platform_data);
        pxa_set_i2c_info(NULL);
+        pxa_set_ac97_info(NULL);
        platform_scoop_config = &tosa_pcmcia_config;
        pxa2xx_set_spi_info(2, &pxa_ssp_master_info);
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index b438fc4fb77b..e6344ece00ce 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -828,6 +828,17 @@ void __init reserve_node_zero(pg_data_t *pgdat)
                                BOOTMEM_DEFAULT);
        }
+        if (machine_is_palmld() || machine_is_palmtx()) {
+                reserve_bootmem_node(pgdat, 0xa0000000, 0x1000,
+                                BOOTMEM_EXCLUSIVE);
+                reserve_bootmem_node(pgdat, 0xa0200000, 0x1000,
+                                BOOTMEM_EXCLUSIVE);
+        }
+        if (machine_is_palmt5())
+                reserve_bootmem_node(pgdat, 0xa0200000, 0x1000,
+                                BOOTMEM_EXCLUSIVE);
 #ifdef CONFIG_SA1111
        /*
         * Because of the SA1111 DMA bug, we want to preserve our
diff --git a/arch/ia64/include/asm/unistd.h b/arch/ia64/include/asm/unistd.h
index 9015979ebe0f..10a9eb05f74d 100644
--- a/arch/ia64/include/asm/unistd.h
+++ b/arch/ia64/include/asm/unistd.h
@@ -308,11 +308,13 @@
 #define __NR_dup3                       1316
 #define __NR_pipe2                      1317
 #define __NR_inotify_init1              1318
+#define __NR_preadv                     1319
+#define __NR_pwritev                    1320
 #ifdef __KERNEL__
-#define NR_syscalls                     295 /* length of syscall table */
+#define NR_syscalls                     297 /* length of syscall table */
 /*
 * The following defines stop scripts/checksyscalls.sh from complaining about
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 8dc69669586a..7bebac0e1d44 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1803,6 +1803,8 @@ sys_call_table:
        data8 sys_dup3
        data8 sys_pipe2
        data8 sys_inotify_init1
+        data8 sys_preadv
+        data8 sys_pwritev                       // 1320
        .org sys_call_table + 8*NR_syscalls     // guard against failures to increase NR_syscalls
 #endif /* __IA64_ASM_PARAVIRTUALIZED_NATIVE */
diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h
index 031f038b19f7..b8eb71ef3163 100644
--- a/arch/sparc/include/asm/unistd.h
+++ b/arch/sparc/include/asm/unistd.h
@@ -392,8 +392,10 @@
 #define __NR_pipe2              321
 #define __NR_inotify_init1      322
 #define __NR_accept4            323
+#define __NR_preadv             324
+#define __NR_pwritev            325
-#define NR_SYSCALLS             324
+#define NR_SYSCALLS             326
 #ifdef __32bit_syscall_numbers__
 /* Sparc 32-bit only has the "setresuid32", "getresuid32" variants,
diff --git a/arch/sparc/kernel/of_device_64.c b/arch/sparc/kernel/of_device_64.c
index b4a12c9aa5f8..27381f1baffc 100644
--- a/arch/sparc/kernel/of_device_64.c
+++ b/arch/sparc/kernel/of_device_64.c
@@ -99,8 +99,7 @@ static inline u64 of_read_addr(const u32 *cell, int size)
        return r;
 }
-static void __init get_cells(struct device_node *dp,
+static void get_cells(struct device_node *dp, int *addrc, int *sizec)
-                             int *addrc, int *sizec)
 {
        if (addrc)
                *addrc = of_n_addr_cells(dp);
diff --git a/arch/sparc/kernel/pci_fire.c b/arch/sparc/kernel/pci_fire.c
index 9462b68f4894..d53f45bc7dda 100644
--- a/arch/sparc/kernel/pci_fire.c
+++ b/arch/sparc/kernel/pci_fire.c
@@ -409,8 +409,8 @@ static void pci_fire_hw_init(struct pci_pbm_info *pbm)
        upa_writeq(~(u64)0, pbm->pbm_regs + FIRE_PEC_IENAB);
 }
-static int __init pci_fire_pbm_init(struct pci_pbm_info *pbm,
+static int __devinit pci_fire_pbm_init(struct pci_pbm_info *pbm,
-                                    struct of_device *op, u32 portid)
+                                       struct of_device *op, u32 portid)
 {
        const struct linux_prom64_registers *regs;
        struct device_node *dp = op->node;
diff --git a/arch/sparc/kernel/pci_psycho.c b/arch/sparc/kernel/pci_psycho.c
index 3b34344082ef..142b9d6984a8 100644
--- a/arch/sparc/kernel/pci_psycho.c
+++ b/arch/sparc/kernel/pci_psycho.c
@@ -365,8 +365,8 @@ static void pbm_config_busmastering(struct pci_pbm_info *pbm)
        pci_config_write8(addr, 64);
 }
-static void __init psycho_scan_bus(struct pci_pbm_info *pbm,
+static void __devinit psycho_scan_bus(struct pci_pbm_info *pbm,
-                                   struct device *parent)
+                                      struct device *parent)
 {
        pbm_config_busmastering(pbm);
        pbm->is_66mhz_capable = 0;
@@ -482,8 +482,8 @@ static void psycho_pbm_strbuf_init(struct pci_pbm_info *pbm,
 #define PSYCHO_MEMSPACE_B       0x180000000UL
 #define PSYCHO_MEMSPACE_SIZE    0x07fffffffUL
-static void __init psycho_pbm_init(struct pci_pbm_info *pbm,
+static void __devinit psycho_pbm_init(struct pci_pbm_info *pbm,
-                                   struct of_device *op, int is_pbm_a)
+                                      struct of_device *op, int is_pbm_a)
 {
        psycho_pbm_init_common(pbm, op, "PSYCHO", PBM_CHIP_TYPE_PSYCHO);
        psycho_pbm_strbuf_init(pbm, is_pbm_a);
diff --git a/arch/sparc/kernel/pci_sabre.c b/arch/sparc/kernel/pci_sabre.c
index 713257b6963c..ba6fbeba3e2c 100644
--- a/arch/sparc/kernel/pci_sabre.c
+++ b/arch/sparc/kernel/pci_sabre.c
@@ -402,8 +402,8 @@ static void apb_init(struct pci_bus *sabre_bus)
        }
 }
-static void __init sabre_scan_bus(struct pci_pbm_info *pbm,
+static void __devinit sabre_scan_bus(struct pci_pbm_info *pbm,
-                                  struct device *parent)
+                                     struct device *parent)
 {
        static int once;
@@ -442,8 +442,8 @@ static void __init sabre_scan_bus(struct pci_pbm_info *pbm,
        sabre_register_error_handlers(pbm);
 }
-static void __init sabre_pbm_init(struct pci_pbm_info *pbm,
+static void __devinit sabre_pbm_init(struct pci_pbm_info *pbm,
-                                  struct of_device *op)
+                                     struct of_device *op)
 {
        psycho_pbm_init_common(pbm, op, "SABRE", PBM_CHIP_TYPE_SABRE);
        pbm->pci_afsr = pbm->controller_regs + SABRE_PIOAFSR;
diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c
index 0ef0ab3d4763..5db5ebed35da 100644
--- a/arch/sparc/kernel/pci_sun4v.c
+++ b/arch/sparc/kernel/pci_sun4v.c
@@ -545,8 +545,8 @@ static const struct dma_ops sun4v_dma_ops = {
        .sync_sg_for_cpu                = dma_4v_sync_sg_for_cpu,
 };
-static void __init pci_sun4v_scan_bus(struct pci_pbm_info *pbm,
+static void __devinit pci_sun4v_scan_bus(struct pci_pbm_info *pbm,
-                                      struct device *parent)
+                                         struct device *parent)
 {
        struct property *prop;
        struct device_node *dp;
@@ -559,8 +559,8 @@ static void __init pci_sun4v_scan_bus(struct pci_pbm_info *pbm,
        /* XXX register error interrupt handlers XXX */
 }
-static unsigned long __init probe_existing_entries(struct pci_pbm_info *pbm,
+static unsigned long __devinit probe_existing_entries(struct pci_pbm_info *pbm,
-                                                   struct iommu *iommu)
+                                                      struct iommu *iommu)
 {
        struct iommu_arena *arena = &iommu->arena;
        unsigned long i, cnt = 0;
@@ -587,7 +587,7 @@ static unsigned long __init probe_existing_entries(struct pci_pbm_info *pbm,
        return cnt;
 }
-static int __init pci_sun4v_iommu_init(struct pci_pbm_info *pbm)
+static int __devinit pci_sun4v_iommu_init(struct pci_pbm_info *pbm)
 {
        static const u32 vdma_default[] = { 0x80000000, 0x80000000 };
        struct iommu *iommu = pbm->iommu;
@@ -889,8 +889,8 @@ static void pci_sun4v_msi_init(struct pci_pbm_info *pbm)
 }
 #endif /* !(CONFIG_PCI_MSI) */
-static int __init pci_sun4v_pbm_init(struct pci_pbm_info *pbm,
+static int __devinit pci_sun4v_pbm_init(struct pci_pbm_info *pbm,
-                                     struct of_device *op, u32 devhandle)
+                                        struct of_device *op, u32 devhandle)
 {
        struct device_node *dp = op->node;
        int err;
diff --git a/arch/sparc/kernel/power.c b/arch/sparc/kernel/power.c
index ae88f06a7ec4..e2a045c235a1 100644
--- a/arch/sparc/kernel/power.c
+++ b/arch/sparc/kernel/power.c
@@ -23,7 +23,7 @@ static irqreturn_t power_handler(int irq, void *dev_id)
        return IRQ_HANDLED;
 }
-static int __init has_button_interrupt(unsigned int irq, struct device_node *dp)
+static int __devinit has_button_interrupt(unsigned int irq, struct device_node *dp)
 {
        if (irq == 0xffffffff)
                return 0;
diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S
index dccc95df0c7f..00ec3b15f38c 100644
--- a/arch/sparc/kernel/systbls_32.S
+++ b/arch/sparc/kernel/systbls_32.S
@@ -81,4 +81,4 @@ sys_call_table:
 /*305*/ .long sys_set_mempolicy, sys_kexec_load, sys_move_pages, sys_getcpu, sys_epoll_pwait
 /*310*/ .long sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate
 /*315*/ .long sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1
-/*320*/ .long sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4
+/*320*/ .long sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv, sys_pwritev
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index a8000b1cda74..82b5bf85b9d2 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -82,7 +82,7 @@ sys_call_table32:
        .word compat_sys_set_mempolicy, compat_sys_kexec_load, compat_sys_move_pages, sys_getcpu, compat_sys_epoll_pwait
 /*310*/ .word compat_sys_utimensat, compat_sys_signalfd, sys_timerfd_create, sys_eventfd, compat_sys_fallocate
        .word compat_sys_timerfd_settime, compat_sys_timerfd_gettime, compat_sys_signalfd4, sys_eventfd2, sys_epoll_create1
-/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4
+/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, compat_sys_preadv, compat_sys_pwritev
 #endif /* CONFIG_COMPAT */
@@ -156,4 +156,4 @@ sys_call_table:
        .word sys_set_mempolicy, sys_kexec_load, sys_move_pages, sys_getcpu, sys_epoll_pwait
 /*310*/ .word sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate
        .word sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1
-/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4
+/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv, sys_pwritev
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 2c8dfeb7ab04..f26a352c08a0 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -70,8 +70,8 @@ extern struct tsb swapper_4m_tsb[KERNEL_TSB4M_NENTRIES];
 #define MAX_BANKS       32
-static struct linux_prom64_registers pavail[MAX_BANKS] __initdata;
+static struct linux_prom64_registers pavail[MAX_BANKS] __devinitdata;
-static int pavail_ents __initdata;
+static int pavail_ents __devinitdata;
 static int cmp_p64(const void *a, const void *b)
 {
@@ -968,7 +968,7 @@ int of_node_to_nid(struct device_node *dp)
        return nid;
 }
-static void add_node_ranges(void)
+static void __init add_node_ranges(void)
 {
        int i;
@@ -1841,7 +1841,7 @@ void __init paging_init(void)
        printk("Booting Linux...\n");
 }
-int __init page_in_phys_avail(unsigned long paddr)
+int __devinit page_in_phys_avail(unsigned long paddr)
 {
        int i;
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 0beba0d1468d..bb83b1c397aa 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -154,6 +154,7 @@
 * CPUID levels like 0x6, 0xA etc
 */
 #define X86_FEATURE_IDA         (7*32+ 0) /* Intel Dynamic Acceleration */
+#define X86_FEATURE_ARAT        (7*32+ 1) /* Always Running APIC Timer */
 /* Virtualization flags: Linux defined */
 #define X86_FEATURE_TPR_SHADOW  (8*32+ 0) /* Intel TPR Shadow */
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 098ec84b8c00..f2870920f246 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -431,6 +431,12 @@ static void __cpuinit setup_APIC_timer(void)
 {
        struct clock_event_device *levt = &__get_cpu_var(lapic_events);
+        if (cpu_has(&current_cpu_data, X86_FEATURE_ARAT)) {
+                lapic_clockevent.features &= ~CLOCK_EVT_FEAT_C3STOP;
+                /* Make LAPIC timer preferrable over percpu HPET */
+                lapic_clockevent.rating = 150;
+        }
        memcpy(levt, &lapic_clockevent, sizeof(*levt));
        levt->cpumask = cpumask_of(smp_processor_id());
diff --git a/arch/x86/kernel/cpu/addon_cpuid_features.c b/arch/x86/kernel/cpu/addon_cpuid_features.c
index 8220ae69849d..c965e5212714 100644
--- a/arch/x86/kernel/cpu/addon_cpuid_features.c
+++ b/arch/x86/kernel/cpu/addon_cpuid_features.c
@@ -31,6 +31,7 @@ void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c)
        static const struct cpuid_bit __cpuinitconst cpuid_bits[] = {
                { X86_FEATURE_IDA, CR_EAX, 1, 0x00000006 },
+                { X86_FEATURE_ARAT, CR_EAX, 2, 0x00000006 },
                { 0, 0, 0, 0 }
        };
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index 19f6b9d27e83..9d3af380c6bd 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -68,6 +68,7 @@ struct acpi_cpufreq_data {
        unsigned int max_freq;
        unsigned int resume;
        unsigned int cpu_feature;
+        u64 saved_aperf, saved_mperf;
 };
 static DEFINE_PER_CPU(struct acpi_cpufreq_data *, drv_data);
@@ -241,26 +242,23 @@ static u32 get_cur_val(const struct cpumask *mask)
        return cmd.val;
 }
-struct perf_cur {
+struct perf_pair {
        union {
                struct {
                        u32 lo;
                        u32 hi;
                } split;
                u64 whole;
-        } aperf_cur, mperf_cur;
+        } aperf, mperf;
 };
 static long read_measured_perf_ctrs(void *_cur)
 {
-        struct perf_cur *cur = _cur;
+        struct perf_pair *cur = _cur;
-        rdmsr(MSR_IA32_APERF, cur->aperf_cur.split.lo, cur->aperf_cur.split.hi);
+        rdmsr(MSR_IA32_APERF, cur->aperf.split.lo, cur->aperf.split.hi);
-        rdmsr(MSR_IA32_MPERF, cur->mperf_cur.split.lo, cur->mperf_cur.split.hi);
+        rdmsr(MSR_IA32_MPERF, cur->mperf.split.lo, cur->mperf.split.hi);
-        wrmsr(MSR_IA32_APERF, 0, 0);
-        wrmsr(MSR_IA32_MPERF, 0, 0);
        return 0;
 }
@@ -281,52 +279,57 @@ static long read_measured_perf_ctrs(void *_cur)
 static unsigned int get_measured_perf(struct cpufreq_policy *policy,
                                      unsigned int cpu)
 {
-        struct perf_cur cur;
+        struct perf_pair readin, cur;
        unsigned int perf_percent;
        unsigned int retval;
-        if (!work_on_cpu(cpu, read_measured_perf_ctrs, &cur))
+        if (!work_on_cpu(cpu, read_measured_perf_ctrs, &readin))
                return 0;
+        cur.aperf.whole = readin.aperf.whole -
+                                per_cpu(drv_data, cpu)->saved_aperf;
+        cur.mperf.whole = readin.mperf.whole -
+                                per_cpu(drv_data, cpu)->saved_mperf;
+        per_cpu(drv_data, cpu)->saved_aperf = readin.aperf.whole;
+        per_cpu(drv_data, cpu)->saved_mperf = readin.mperf.whole;
 #ifdef __i386__
        /*
         * We dont want to do 64 bit divide with 32 bit kernel
         * Get an approximate value. Return failure in case we cannot get
         * an approximate value.
         */
-        if (unlikely(cur.aperf_cur.split.hi || cur.mperf_cur.split.hi)) {
+        if (unlikely(cur.aperf.split.hi || cur.mperf.split.hi)) {
                int shift_count;
                u32 h;
-                h = max_t(u32, cur.aperf_cur.split.hi, cur.mperf_cur.split.hi);
+                h = max_t(u32, cur.aperf.split.hi, cur.mperf.split.hi);
                shift_count = fls(h);
-                cur.aperf_cur.whole >>= shift_count;
+                cur.aperf.whole >>= shift_count;
-                cur.mperf_cur.whole >>= shift_count;
+                cur.mperf.whole >>= shift_count;
        }
-        if (((unsigned long)(-1) / 100) < cur.aperf_cur.split.lo) {
+        if (((unsigned long)(-1) / 100) < cur.aperf.split.lo) {
                int shift_count = 7;
-                cur.aperf_cur.split.lo >>= shift_count;
+                cur.aperf.split.lo >>= shift_count;
-                cur.mperf_cur.split.lo >>= shift_count;
+                cur.mperf.split.lo >>= shift_count;
        }
-        if (cur.aperf_cur.split.lo && cur.mperf_cur.split.lo)
+        if (cur.aperf.split.lo && cur.mperf.split.lo)
-                perf_percent = (cur.aperf_cur.split.lo * 100) /
+                perf_percent = (cur.aperf.split.lo * 100) / cur.mperf.split.lo;
-                                cur.mperf_cur.split.lo;
        else
                perf_percent = 0;
 #else
-        if (unlikely(((unsigned long)(-1) / 100) < cur.aperf_cur.whole)) {
+        if (unlikely(((unsigned long)(-1) / 100) < cur.aperf.whole)) {
                int shift_count = 7;
-                cur.aperf_cur.whole >>= shift_count;
+                cur.aperf.whole >>= shift_count;
-                cur.mperf_cur.whole >>= shift_count;
+                cur.mperf.whole >>= shift_count;
        }
-        if (cur.aperf_cur.whole && cur.mperf_cur.whole)
+        if (cur.aperf.whole && cur.mperf.whole)
-                perf_percent = (cur.aperf_cur.whole * 100) /
+                perf_percent = (cur.aperf.whole * 100) / cur.mperf.whole;
-                                cur.mperf_cur.whole;
        else
                perf_percent = 0;
diff --git a/arch/x86/kernel/cpu/cpufreq/longhaul.c b/arch/x86/kernel/cpu/cpufreq/longhaul.c
index 0bd48e65a0ca..ce2ed3e4aad9 100644
--- a/arch/x86/kernel/cpu/cpufreq/longhaul.c
+++ b/arch/x86/kernel/cpu/cpufreq/longhaul.c
@@ -33,7 +33,6 @@
 #include <linux/timex.h>
 #include <linux/io.h>
 #include <linux/acpi.h>
-#include <linux/kernel.h>
 #include <asm/msr.h>
 #include <acpi/processor.h>
diff --git a/drivers/acpi/acpica/hwvalid.c b/drivers/acpi/acpica/hwvalid.c
index bd3c937b0ac0..7737afb157c3 100644
--- a/drivers/acpi/acpica/hwvalid.c
+++ b/drivers/acpi/acpica/hwvalid.c
@@ -90,7 +90,6 @@ static const struct acpi_port_info acpi_protected_ports[] = {
        {"PIT2", 0x0048, 0x004B, ACPI_OSI_WIN_XP},
        {"RTC", 0x0070, 0x0071, ACPI_OSI_WIN_XP},
        {"CMOS", 0x0074, 0x0076, ACPI_OSI_WIN_XP},
-        {"DMA1", 0x0081, 0x0083, ACPI_OSI_WIN_XP},
        {"DMA1L", 0x0087, 0x0087, ACPI_OSI_WIN_XP},
        {"DMA2", 0x0089, 0x008B, ACPI_OSI_WIN_XP},
        {"DMA2L", 0x008F, 0x008F, ACPI_OSI_WIN_XP},
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index b0de6312919a..3c7d8942f23b 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -903,7 +903,7 @@ static struct acpi_driver acpi_battery_driver = {
                },
 };
-static void __init acpi_battery_init_async(void *unused, async_cookie_t cookie)
+static void acpi_battery_init_async(void *unused, async_cookie_t cookie)
 {
        if (acpi_disabled)
                return;
diff --git a/drivers/acpi/proc.c b/drivers/acpi/proc.c
index 05dfdc96802e..d0d550d22a6d 100644
--- a/drivers/acpi/proc.c
+++ b/drivers/acpi/proc.c
@@ -343,9 +343,6 @@ acpi_system_write_alarm(struct file *file,
 }
 #endif                          /* HAVE_ACPI_LEGACY_ALARM */
-extern struct list_head acpi_wakeup_device_list;
-extern spinlock_t acpi_device_lock;
 static int
 acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset)
 {
@@ -353,7 +350,7 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset)
        seq_printf(seq, "Device\tS-state\t  Status   Sysfs node\n");
-        spin_lock(&acpi_device_lock);
+        mutex_lock(&acpi_device_lock);
        list_for_each_safe(node, next, &acpi_wakeup_device_list) {
                struct acpi_device *dev =
                    container_of(node, struct acpi_device, wakeup_list);
@@ -361,7 +358,6 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset)
                if (!dev->wakeup.flags.valid)
                        continue;
-                spin_unlock(&acpi_device_lock);
                ldev = acpi_get_physical_device(dev->handle);
                seq_printf(seq, "%s\t  S%d\t%c%-8s  ",
@@ -376,9 +372,8 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset)
                seq_printf(seq, "\n");
                put_device(ldev);
-                spin_lock(&acpi_device_lock);
        }
-        spin_unlock(&acpi_device_lock);
+        mutex_unlock(&acpi_device_lock);
        return 0;
 }
@@ -409,7 +404,7 @@ acpi_system_write_wakeup_device(struct file *file,
        strbuf[len] = '\0';
        sscanf(strbuf, "%s", str);
-        spin_lock(&acpi_device_lock);
+        mutex_lock(&acpi_device_lock);
        list_for_each_safe(node, next, &acpi_wakeup_device_list) {
                struct acpi_device *dev =
                    container_of(node, struct acpi_device, wakeup_list);
@@ -446,7 +441,7 @@ acpi_system_write_wakeup_device(struct file *file,
                        }
                }
        }
-        spin_unlock(&acpi_device_lock);
+        mutex_unlock(&acpi_device_lock);
        return count;
 }
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 4e6e758bd397..6fe121434ffb 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -145,6 +145,9 @@ static void acpi_timer_check_state(int state, struct acpi_processor *pr,
        struct acpi_processor_power *pwr = &pr->power;
        u8 type = local_apic_timer_c2_ok ? ACPI_STATE_C3 : ACPI_STATE_C2;
+        if (cpu_has(&cpu_data(pr->id), X86_FEATURE_ARAT))
+                return;
        /*
         * Check, if one of the previous states already marked the lapic
         * unstable
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 20c23c049207..8ff510b91d88 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -24,7 +24,7 @@ extern struct acpi_device *acpi_root;
 static LIST_HEAD(acpi_device_list);
 static LIST_HEAD(acpi_bus_id_list);
-DEFINE_SPINLOCK(acpi_device_lock);
+DEFINE_MUTEX(acpi_device_lock);
 LIST_HEAD(acpi_wakeup_device_list);
 struct acpi_device_bus_id{
@@ -491,7 +491,6 @@ static int acpi_device_register(struct acpi_device *device,
         */
        INIT_LIST_HEAD(&device->children);
        INIT_LIST_HEAD(&device->node);
-        INIT_LIST_HEAD(&device->g_list);
        INIT_LIST_HEAD(&device->wakeup_list);
        new_bus_id = kzalloc(sizeof(struct acpi_device_bus_id), GFP_KERNEL);
@@ -500,7 +499,7 @@ static int acpi_device_register(struct acpi_device *device,
                return -ENOMEM;
        }
-        spin_lock(&acpi_device_lock);
+        mutex_lock(&acpi_device_lock);
        /*
         * Find suitable bus_id and instance number in acpi_bus_id_list
         * If failed, create one and link it into acpi_bus_id_list
@@ -521,14 +520,12 @@ static int acpi_device_register(struct acpi_device *device,
        }
        dev_set_name(&device->dev, "%s:%02x", acpi_device_bus_id->bus_id, acpi_device_bus_id->instance_no);
-        if (device->parent) {
+        if (device->parent)
                list_add_tail(&device->node, &device->parent->children);
-                list_add_tail(&device->g_list, &device->parent->g_list);
-        } else
-                list_add_tail(&device->g_list, &acpi_device_list);
        if (device->wakeup.flags.valid)
                list_add_tail(&device->wakeup_list, &acpi_wakeup_device_list);
-        spin_unlock(&acpi_device_lock);
+        mutex_unlock(&acpi_device_lock);
        if (device->parent)
                device->dev.parent = &parent->dev;
@@ -549,28 +546,22 @@ static int acpi_device_register(struct acpi_device *device,
        device->removal_type = ACPI_BUS_REMOVAL_NORMAL;
        return 0;
  end:
-        spin_lock(&acpi_device_lock);
+        mutex_lock(&acpi_device_lock);
-        if (device->parent) {
+        if (device->parent)
                list_del(&device->node);
-                list_del(&device->g_list);
-        } else
-                list_del(&device->g_list);
        list_del(&device->wakeup_list);
-        spin_unlock(&acpi_device_lock);
+        mutex_unlock(&acpi_device_lock);
        return result;
 }
 static void acpi_device_unregister(struct acpi_device *device, int type)
 {
-        spin_lock(&acpi_device_lock);
+        mutex_lock(&acpi_device_lock);
-        if (device->parent) {
+        if (device->parent)
                list_del(&device->node);
-                list_del(&device->g_list);
-        } else
-                list_del(&device->g_list);
        list_del(&device->wakeup_list);
-        spin_unlock(&acpi_device_lock);
+        mutex_unlock(&acpi_device_lock);
        acpi_detach_data(device->handle, acpi_bus_data_handler);
diff --git a/drivers/acpi/sleep.h b/drivers/acpi/sleep.h
index cfaf8f5b0a14..8a8f3b3382a6 100644
--- a/drivers/acpi/sleep.h
+++ b/drivers/acpi/sleep.h
@@ -5,3 +5,6 @@ extern int acpi_suspend (u32 state);
 extern void acpi_enable_wakeup_device_prep(u8 sleep_state);
 extern void acpi_enable_wakeup_device(u8 sleep_state);
 extern void acpi_disable_wakeup_device(u8 sleep_state);
+extern struct list_head acpi_wakeup_device_list;
+extern struct mutex acpi_device_lock;
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index e8c143caf0fd..9cd15e8c8932 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -98,6 +98,7 @@ MODULE_PARM_DESC(psv, "Disable or override all passive trip points.");
 static int acpi_thermal_add(struct acpi_device *device);
 static int acpi_thermal_remove(struct acpi_device *device, int type);
 static int acpi_thermal_resume(struct acpi_device *device);
+static void acpi_thermal_notify(struct acpi_device *device, u32 event);
 static int acpi_thermal_state_open_fs(struct inode *inode, struct file *file);
 static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file);
 static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file);
@@ -123,6 +124,7 @@ static struct acpi_driver acpi_thermal_driver = {
                .add = acpi_thermal_add,
                .remove = acpi_thermal_remove,
                .resume = acpi_thermal_resume,
+                .notify = acpi_thermal_notify,
                },
 };
@@ -192,6 +194,7 @@ struct acpi_thermal {
        struct acpi_handle_list devices;
        struct thermal_zone_device *thermal_zone;
        int tz_enabled;
+        int kelvin_offset;
        struct mutex lock;
 };
@@ -581,7 +584,7 @@ static void acpi_thermal_check(void *data)
 }
 /* sys I/F for generic thermal sysfs support */
-#define KELVIN_TO_MILLICELSIUS(t) (t * 100 - 273200)
+#define KELVIN_TO_MILLICELSIUS(t, off) (((t) - (off)) * 100)
 static int thermal_get_temp(struct thermal_zone_device *thermal,
                            unsigned long *temp)
@@ -596,7 +599,7 @@ static int thermal_get_temp(struct thermal_zone_device *thermal,
        if (result)
                return result;
-        *temp = KELVIN_TO_MILLICELSIUS(tz->temperature);
+        *temp = KELVIN_TO_MILLICELSIUS(tz->temperature, tz->kelvin_offset);
        return 0;
 }
@@ -702,7 +705,8 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal,
        if (tz->trips.critical.flags.valid) {
                if (!trip) {
                        *temp = KELVIN_TO_MILLICELSIUS(
-                                tz->trips.critical.temperature);
+                                tz->trips.critical.temperature,
+                                tz->kelvin_offset);
                        return 0;
                }
                trip--;
@@ -711,7 +715,8 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal,
        if (tz->trips.hot.flags.valid) {
                if (!trip) {
                        *temp = KELVIN_TO_MILLICELSIUS(
-                                tz->trips.hot.temperature);
+                                tz->trips.hot.temperature,
+                                tz->kelvin_offset);
                        return 0;
                }
                trip--;
@@ -720,7 +725,8 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal,
        if (tz->trips.passive.flags.valid) {
                if (!trip) {
                        *temp = KELVIN_TO_MILLICELSIUS(
-                                tz->trips.passive.temperature);
+                                tz->trips.passive.temperature,
+                                tz->kelvin_offset);
                        return 0;
                }
                trip--;
@@ -730,7 +736,8 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal,
                tz->trips.active[i].flags.valid; i++) {
                if (!trip) {
                        *temp = KELVIN_TO_MILLICELSIUS(
-                                tz->trips.active[i].temperature);
+                                tz->trips.active[i].temperature,
+                                tz->kelvin_offset);
                        return 0;
                }
                trip--;
@@ -745,7 +752,8 @@ static int thermal_get_crit_temp(struct thermal_zone_device *thermal,
        if (tz->trips.critical.flags.valid) {
                *temperature = KELVIN_TO_MILLICELSIUS(
-                                tz->trips.critical.temperature);
+                                tz->trips.critical.temperature,
+                                tz->kelvin_offset);
                return 0;
        } else
                return -EINVAL;
@@ -1264,17 +1272,14 @@ static int acpi_thermal_remove_fs(struct acpi_device *device)
                                 Driver Interface
   -------------------------------------------------------------------------- */
-static void acpi_thermal_notify(acpi_handle handle, u32 event, void *data)
+static void acpi_thermal_notify(struct acpi_device *device, u32 event)
 {
-        struct acpi_thermal *tz = data;
+        struct acpi_thermal *tz = acpi_driver_data(device);
-        struct acpi_device *device = NULL;
        if (!tz)
                return;
-        device = tz->device;
        switch (event) {
        case ACPI_THERMAL_NOTIFY_TEMPERATURE:
                acpi_thermal_check(tz);
@@ -1298,8 +1303,6 @@ static void acpi_thermal_notify(acpi_handle handle, u32 event, void *data)
                                  "Unsupported event [0x%x]\n", event));
                break;
        }
-        return;
 }
 static int acpi_thermal_get_info(struct acpi_thermal *tz)
@@ -1334,10 +1337,28 @@ static int acpi_thermal_get_info(struct acpi_thermal *tz)
        return 0;
 }
+/*
+ * The exact offset between Kelvin and degree Celsius is 273.15. However ACPI
+ * handles temperature values with a single decimal place. As a consequence,
+ * some implementations use an offset of 273.1 and others use an offset of
+ * 273.2. Try to find out which one is being used, to present the most
+ * accurate and visually appealing number.
+ *
+ * The heuristic below should work for all ACPI thermal zones which have a
+ * critical trip point with a value being a multiple of 0.5 degree Celsius.
+ */
+static void acpi_thermal_guess_offset(struct acpi_thermal *tz)
+{
+        if (tz->trips.critical.flags.valid &&
+            (tz->trips.critical.temperature % 5) == 1)
+                tz->kelvin_offset = 2731;
+        else
+                tz->kelvin_offset = 2732;
+}
 static int acpi_thermal_add(struct acpi_device *device)
 {
        int result = 0;
-        acpi_status status = AE_OK;
        struct acpi_thermal *tz = NULL;
@@ -1360,6 +1381,8 @@ static int acpi_thermal_add(struct acpi_device *device)
        if (result)
                goto free_memory;
+        acpi_thermal_guess_offset(tz);
        result = acpi_thermal_register_thermal_zone(tz);
        if (result)
                goto free_memory;
@@ -1368,21 +1391,11 @@ static int acpi_thermal_add(struct acpi_device *device)
        if (result)
                goto unregister_thermal_zone;
-        status = acpi_install_notify_handler(device->handle,
-                                             ACPI_DEVICE_NOTIFY,
-                                             acpi_thermal_notify, tz);
-        if (ACPI_FAILURE(status)) {
-                result = -ENODEV;
-                goto remove_fs;
-        }
        printk(KERN_INFO PREFIX "%s [%s] (%ld C)\n",
               acpi_device_name(device), acpi_device_bid(device),
               KELVIN_TO_CELSIUS(tz->temperature));
        goto end;
-remove_fs:
-        acpi_thermal_remove_fs(device);
 unregister_thermal_zone:
        thermal_zone_device_unregister(tz->thermal_zone);
 free_memory:
@@ -1393,7 +1406,6 @@ end:
 static int acpi_thermal_remove(struct acpi_device *device, int type)
 {
-        acpi_status status = AE_OK;
        struct acpi_thermal *tz = NULL;
        if (!device || !acpi_driver_data(device))
@@ -1401,10 +1413,6 @@ static int acpi_thermal_remove(struct acpi_device *device, int type)
        tz = acpi_driver_data(device);
-        status = acpi_remove_notify_handler(device->handle,
-                                            ACPI_DEVICE_NOTIFY,
-                                            acpi_thermal_notify);
        acpi_thermal_remove_fs(device);
        acpi_thermal_unregister_thermal_zone(tz);
        mutex_destroy(&tz->lock);
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index ab06143672bc..cd4fb7543a90 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -79,6 +79,7 @@ module_param(brightness_switch_enabled, bool, 0644);
 static int acpi_video_bus_add(struct acpi_device *device);
 static int acpi_video_bus_remove(struct acpi_device *device, int type);
 static int acpi_video_resume(struct acpi_device *device);
+static void acpi_video_bus_notify(struct acpi_device *device, u32 event);
 static const struct acpi_device_id video_device_ids[] = {
        {ACPI_VIDEO_HID, 0},
@@ -94,6 +95,7 @@ static struct acpi_driver acpi_video_bus = {
                .add = acpi_video_bus_add,
                .remove = acpi_video_bus_remove,
                .resume = acpi_video_resume,
+                .notify = acpi_video_bus_notify,
                },
 };
@@ -1986,17 +1988,15 @@ static int acpi_video_bus_stop_devices(struct acpi_video_bus *video)
        return acpi_video_bus_DOS(video, 0, 1);
 }
-static void acpi_video_bus_notify(acpi_handle handle, u32 event, void *data)
+static void acpi_video_bus_notify(struct acpi_device *device, u32 event)
 {
-        struct acpi_video_bus *video = data;
+        struct acpi_video_bus *video = acpi_driver_data(device);
-        struct acpi_device *device = NULL;
        struct input_dev *input;
        int keycode;
        if (!video)
                return;
-        device = video->device;
        input = video->input;
        switch (event) {
@@ -2127,7 +2127,6 @@ static int acpi_video_resume(struct acpi_device *device)
 static int acpi_video_bus_add(struct acpi_device *device)
 {
-        acpi_status status;
        struct acpi_video_bus *video;
        struct input_dev *input;
        int error;
@@ -2169,20 +2168,10 @@ static int acpi_video_bus_add(struct acpi_device *device)
        acpi_video_bus_get_devices(video, device);
        acpi_video_bus_start_devices(video);
-        status = acpi_install_notify_handler(device->handle,
-                                             ACPI_DEVICE_NOTIFY,
-                                             acpi_video_bus_notify, video);
-        if (ACPI_FAILURE(status)) {
-                printk(KERN_ERR PREFIX
-                                  "Error installing notify handler\n");
-                error = -ENODEV;
-                goto err_stop_video;
-        }
        video->input = input = input_allocate_device();
        if (!input) {
                error = -ENOMEM;
-                goto err_uninstall_notify;
+                goto err_stop_video;
        }
        snprintf(video->phys, sizeof(video->phys),
@@ -2218,9 +2207,6 @@ static int acpi_video_bus_add(struct acpi_device *device)
 err_free_input_dev:
        input_free_device(input);
- err_uninstall_notify:
-        acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
-                                   acpi_video_bus_notify);
 err_stop_video:
        acpi_video_bus_stop_devices(video);
        acpi_video_bus_put_devices(video);
@@ -2235,7 +2221,6 @@ static int acpi_video_bus_add(struct acpi_device *device)
 static int acpi_video_bus_remove(struct acpi_device *device, int type)
 {
-        acpi_status status = 0;
        struct acpi_video_bus *video = NULL;
@@ -2245,11 +2230,6 @@ static int acpi_video_bus_remove(struct acpi_device *device, int type)
        video = acpi_driver_data(device);
        acpi_video_bus_stop_devices(video);
-        status = acpi_remove_notify_handler(video->device->handle,
-                                            ACPI_DEVICE_NOTIFY,
-                                            acpi_video_bus_notify);
        acpi_video_bus_put_devices(video);
        acpi_video_bus_remove_fs(device);
diff --git a/drivers/acpi/wakeup.c b/drivers/acpi/wakeup.c
index 5aee8c26cc9f..88725dcdf8bc 100644
--- a/drivers/acpi/wakeup.c
+++ b/drivers/acpi/wakeup.c
@@ -12,12 +12,14 @@
 #include "internal.h"
 #include "sleep.h"
+/*
+ * We didn't lock acpi_device_lock in the file, because it invokes oops in
+ * suspend/resume and isn't really required as this is called in S-state. At
+ * that time, there is no device hotplug
+ **/
 #define _COMPONENT              ACPI_SYSTEM_COMPONENT
 ACPI_MODULE_NAME("wakeup_devices")
-extern struct list_head acpi_wakeup_device_list;
-extern spinlock_t acpi_device_lock;
 /**
 * acpi_enable_wakeup_device_prep - prepare wakeup devices
 *      @sleep_state:   ACPI state
@@ -29,7 +31,6 @@ void acpi_enable_wakeup_device_prep(u8 sleep_state)
 {
        struct list_head *node, *next;
-        spin_lock(&acpi_device_lock);
        list_for_each_safe(node, next, &acpi_wakeup_device_list) {
                struct acpi_device *dev = container_of(node,
                                                       struct acpi_device,
@@ -40,11 +41,8 @@ void acpi_enable_wakeup_device_prep(u8 sleep_state)
                    (sleep_state > (u32) dev->wakeup.sleep_state))
                        continue;
-                spin_unlock(&acpi_device_lock);
                acpi_enable_wakeup_device_power(dev, sleep_state);
-                spin_lock(&acpi_device_lock);
        }
-        spin_unlock(&acpi_device_lock);
 }
 /**
@@ -60,7 +58,6 @@ void acpi_enable_wakeup_device(u8 sleep_state)
         * Caution: this routine must be invoked when interrupt is disabled 
         * Refer ACPI2.0: P212
         */
-        spin_lock(&acpi_device_lock);
        list_for_each_safe(node, next, &acpi_wakeup_device_list) {
                struct acpi_device *dev =
                        container_of(node, struct acpi_device, wakeup_list);
@@ -74,22 +71,17 @@ void acpi_enable_wakeup_device(u8 sleep_state)
                if ((!dev->wakeup.state.enabled && !dev->wakeup.flags.prepared)
                    || sleep_state > (u32) dev->wakeup.sleep_state) {
                        if (dev->wakeup.flags.run_wake) {
-                                spin_unlock(&acpi_device_lock);
                                /* set_gpe_type will disable GPE, leave it like that */
                                acpi_set_gpe_type(dev->wakeup.gpe_device,
                                                  dev->wakeup.gpe_number,
                                                  ACPI_GPE_TYPE_RUNTIME);
-                                spin_lock(&acpi_device_lock);
                        }
                        continue;
                }
-                spin_unlock(&acpi_device_lock);
                if (!dev->wakeup.flags.run_wake)
                        acpi_enable_gpe(dev->wakeup.gpe_device,
                                        dev->wakeup.gpe_number);
-                spin_lock(&acpi_device_lock);
        }
-        spin_unlock(&acpi_device_lock);
 }
 /**
@@ -101,7 +93,6 @@ void acpi_disable_wakeup_device(u8 sleep_state)
 {
        struct list_head *node, *next;
-        spin_lock(&acpi_device_lock);
        list_for_each_safe(node, next, &acpi_wakeup_device_list) {
                struct acpi_device *dev =
                        container_of(node, struct acpi_device, wakeup_list);
@@ -112,19 +103,16 @@ void acpi_disable_wakeup_device(u8 sleep_state)
                if ((!dev->wakeup.state.enabled && !dev->wakeup.flags.prepared)
                    || sleep_state > (u32) dev->wakeup.sleep_state) {
                        if (dev->wakeup.flags.run_wake) {
-                                spin_unlock(&acpi_device_lock);
                                acpi_set_gpe_type(dev->wakeup.gpe_device,
                                                  dev->wakeup.gpe_number,
                                                  ACPI_GPE_TYPE_WAKE_RUN);
                                /* Re-enable it, since set_gpe_type will disable it */
                                acpi_enable_gpe(dev->wakeup.gpe_device,
                                                dev->wakeup.gpe_number);
-                                spin_lock(&acpi_device_lock);
                        }
                        continue;
                }
-                spin_unlock(&acpi_device_lock);
                acpi_disable_wakeup_device_power(dev);
                /* Never disable run-wake GPE */
                if (!dev->wakeup.flags.run_wake) {
@@ -133,16 +121,14 @@ void acpi_disable_wakeup_device(u8 sleep_state)
                        acpi_clear_gpe(dev->wakeup.gpe_device,
                                       dev->wakeup.gpe_number, ACPI_NOT_ISR);
                }
-                spin_lock(&acpi_device_lock);
        }
-        spin_unlock(&acpi_device_lock);
 }
 int __init acpi_wakeup_device_init(void)
 {
        struct list_head *node, *next;
-        spin_lock(&acpi_device_lock);
+        mutex_lock(&acpi_device_lock);
        list_for_each_safe(node, next, &acpi_wakeup_device_list) {
                struct acpi_device *dev = container_of(node,
                                                       struct acpi_device,
@@ -150,15 +136,13 @@ int __init acpi_wakeup_device_init(void)
                /* In case user doesn't load button driver */
                if (!dev->wakeup.flags.run_wake || dev->wakeup.state.enabled)
                        continue;
-                spin_unlock(&acpi_device_lock);
                acpi_set_gpe_type(dev->wakeup.gpe_device,
                                  dev->wakeup.gpe_number,
                                  ACPI_GPE_TYPE_WAKE_RUN);
                acpi_enable_gpe(dev->wakeup.gpe_device,
                                dev->wakeup.gpe_number);
                dev->wakeup.state.enabled = 1;
-                spin_lock(&acpi_device_lock);
        }
-        spin_unlock(&acpi_device_lock);
+        mutex_unlock(&acpi_device_lock);
        return 0;
 }
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index c232d11a7ed4..06084dbf1277 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -208,7 +208,7 @@ static int mmc_read_ext_csd(struct mmc_card *card)
        }
        ext_csd_struct = ext_csd[EXT_CSD_REV];
-        if (ext_csd_struct > 2) {
+        if (ext_csd_struct > 3) {
                printk(KERN_ERR "%s: unrecognised EXT_CSD structure "
                        "version %d\n", mmc_hostname(card->host),
                        ext_csd_struct);
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index 26fc098d77cd..cd81c395e164 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -363,15 +363,6 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr,
                goto err;
        /*
-         * For SPI, enable CRC as appropriate.
-         */
-        if (mmc_host_is_spi(host)) {
-                err = mmc_spi_set_crc(host, use_spi_crc);
-                if (err)
-                        goto err;
-        }
-        /*
         * Fetch CID from card.
         */
        if (mmc_host_is_spi(host))
@@ -458,6 +449,18 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr,
        }
        /*
+         * For SPI, enable CRC as appropriate.
+         * This CRC enable is located AFTER the reading of the
+         * card registers because some SDHC cards are not able
+         * to provide valid CRCs for non-512-byte blocks.
+         */
+        if (mmc_host_is_spi(host)) {
+                err = mmc_spi_set_crc(host, use_spi_crc);
+                if (err)
+                        goto free_card;
+        }
+        /*
         * Attempt to change to high-speed (if supported)
         */
        err = mmc_switch_hs(card);
diff --git a/drivers/mmc/host/imxmmc.c b/drivers/mmc/host/imxmmc.c
index eb29b1d933ac..e0be21a4a696 100644
--- a/drivers/mmc/host/imxmmc.c
+++ b/drivers/mmc/host/imxmmc.c
@@ -307,13 +307,6 @@ static void imxmci_setup_data(struct imxmci_host *host, struct mmc_data *data)
        wmb();
-        if (host->actual_bus_width == MMC_BUS_WIDTH_4)
-                BLR(host->dma) = 0;     /* burst 64 byte read / 64 bytes write */
-        else
-                BLR(host->dma) = 16;    /* burst 16 byte read / 16 bytes write */
-        RSSR(host->dma) = DMA_REQ_SDHC;
        set_bit(IMXMCI_PEND_DMA_DATA_b, &host->pending_events);
        clear_bit(IMXMCI_PEND_CPU_DATA_b, &host->pending_events);
@@ -818,9 +811,11 @@ static void imxmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
        if (ios->bus_width == MMC_BUS_WIDTH_4) {
                host->actual_bus_width = MMC_BUS_WIDTH_4;
                imx_gpio_mode(PB11_PF_SD_DAT3);
+                BLR(host->dma) = 0;     /* burst 64 byte read/write */
        } else {
                host->actual_bus_width = MMC_BUS_WIDTH_1;
                imx_gpio_mode(GPIO_PORTB | GPIO_IN | GPIO_PUEN | 11);
+                BLR(host->dma) = 16;    /* burst 16 byte read/write */
        }
        if (host->power_mode != ios->power_mode) {
@@ -938,7 +933,7 @@ static void imxmci_check_status(unsigned long data)
        mod_timer(&host->timer, jiffies + (HZ>>1));
 }
-static int imxmci_probe(struct platform_device *pdev)
+static int __init imxmci_probe(struct platform_device *pdev)
 {
        struct mmc_host *mmc;
        struct imxmci_host *host = NULL;
@@ -1034,6 +1029,7 @@ static int imxmci_probe(struct platform_device *pdev)
        }
        host->dma_allocated = 1;
        imx_dma_setup_handlers(host->dma, imxmci_dma_irq, NULL, host);
+        RSSR(host->dma) = DMA_REQ_SDHC;
        tasklet_init(&host->tasklet, imxmci_tasklet_fnc, (unsigned long)host);
        host->status_reg=0;
@@ -1079,7 +1075,7 @@ out:
        return ret;
 }
-static int imxmci_remove(struct platform_device *pdev)
+static int __exit imxmci_remove(struct platform_device *pdev)
 {
        struct mmc_host *mmc = platform_get_drvdata(pdev);
@@ -1145,8 +1141,7 @@ static int imxmci_resume(struct platform_device *dev)
 #endif /* CONFIG_PM */
 static struct platform_driver imxmci_driver = {
-        .probe          = imxmci_probe,
+        .remove         = __exit_p(imxmci_remove),
-        .remove         = imxmci_remove,
        .suspend        = imxmci_suspend,
        .resume         = imxmci_resume,
        .driver         = {
@@ -1157,7 +1152,7 @@ static struct platform_driver imxmci_driver = {
 static int __init imxmci_init(void)
 {
-        return platform_driver_register(&imxmci_driver);
+        return platform_driver_probe(&imxmci_driver, imxmci_probe);
 }
 static void __exit imxmci_exit(void)
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index 72f8bde4877a..f48349d18c92 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -24,7 +24,7 @@
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
-#include <linux/hrtimer.h>
+#include <linux/sched.h>
 #include <linux/delay.h>
 #include <linux/bio.h>
 #include <linux/dma-mapping.h>
@@ -95,7 +95,7 @@
 * reads which takes nowhere near that long.  Older cards may be able to use
 * shorter timeouts ... but why bother?
 */
-#define r1b_timeout             ktime_set(3, 0)
+#define r1b_timeout             (HZ * 3)
 /****************************************************************************/
@@ -183,12 +183,11 @@ mmc_spi_readbytes(struct mmc_spi_host *host, unsigned len)
        return status;
 }
-static int
+static int mmc_spi_skip(struct mmc_spi_host *host, unsigned long timeout,
-mmc_spi_skip(struct mmc_spi_host *host, ktime_t timeout, unsigned n, u8 byte)
+                        unsigned n, u8 byte)
 {
        u8              *cp = host->data->status;
+        unsigned long start = jiffies;
-        timeout = ktime_add(timeout, ktime_get());
        while (1) {
                int             status;
@@ -203,22 +202,26 @@ mmc_spi_skip(struct mmc_spi_host *host, ktime_t timeout, unsigned n, u8 byte)
                                return cp[i];
                }
-                /* REVISIT investigate msleep() to avoid busy-wait I/O
+                if (time_is_before_jiffies(start + timeout))
-                 * in at least some cases.
-                 */
-                if (ktime_to_ns(ktime_sub(ktime_get(), timeout)) > 0)
                        break;
+                /* If we need long timeouts, we may release the CPU.
+                 * We use jiffies here because we want to have a relation
+                 * between elapsed time and the blocking of the scheduler.
+                 */
+                if (time_is_before_jiffies(start+1))
+                        schedule();
        }
        return -ETIMEDOUT;
 }
 static inline int
-mmc_spi_wait_unbusy(struct mmc_spi_host *host, ktime_t timeout)
+mmc_spi_wait_unbusy(struct mmc_spi_host *host, unsigned long timeout)
 {
        return mmc_spi_skip(host, timeout, sizeof(host->data->status), 0);
 }
-static int mmc_spi_readtoken(struct mmc_spi_host *host, ktime_t timeout)
+static int mmc_spi_readtoken(struct mmc_spi_host *host, unsigned long timeout)
 {
        return mmc_spi_skip(host, timeout, 1, 0xff);
 }
@@ -251,6 +254,10 @@ static int mmc_spi_response_get(struct mmc_spi_host *host,
        u8      *cp = host->data->status;
        u8      *end = cp + host->t.len;
        int     value = 0;
+        int     bitshift;
+        u8      leftover = 0;
+        unsigned short rotator;
+        int     i;
        char    tag[32];
        snprintf(tag, sizeof(tag), "  ... CMD%d response SPI_%s",
@@ -268,9 +275,8 @@ static int mmc_spi_response_get(struct mmc_spi_host *host,
        /* Data block reads (R1 response types) may need more data... */
        if (cp == end) {
-                unsigned        i;
                cp = host->data->status;
+                end = cp+1;
                /* Card sends N(CR) (== 1..8) bytes of all-ones then one
                 * status byte ... and we already scanned 2 bytes.
@@ -295,20 +301,34 @@ static int mmc_spi_response_get(struct mmc_spi_host *host,
        }
 checkstatus:
-        if (*cp & 0x80) {
+        bitshift = 0;
-                dev_dbg(&host->spi->dev, "%s: INVALID RESPONSE, %02x\n",
+        if (*cp & 0x80) {
-                                        tag, *cp);
+                /* Houston, we have an ugly card with a bit-shifted response */
-                value = -EBADR;
+                rotator = *cp++ << 8;
-                goto done;
+                /* read the next byte */
+                if (cp == end) {
+                        value = mmc_spi_readbytes(host, 1);
+                        if (value < 0)
+                                goto done;
+                        cp = host->data->status;
+                        end = cp+1;
+                }
+                rotator |= *cp++;
+                while (rotator & 0x8000) {
+                        bitshift++;
+                        rotator <<= 1;
+                }
+                cmd->resp[0] = rotator >> 8;
+                leftover = rotator;
+        } else {
+                cmd->resp[0] = *cp++;
        }
-        cmd->resp[0] = *cp++;
        cmd->error = 0;
        /* Status byte: the entire seven-bit R1 response.  */
        if (cmd->resp[0] != 0) {
                if ((R1_SPI_PARAMETER | R1_SPI_ADDRESS
-                                        | R1_SPI_ILLEGAL_COMMAND)
+                                      | R1_SPI_ILLEGAL_COMMAND)
                                & cmd->resp[0])
                        value = -EINVAL;
                else if (R1_SPI_COM_CRC & cmd->resp[0])
@@ -336,12 +356,45 @@ checkstatus:
         * SPI R5 == R1 + data byte; IO_RW_DIRECT
         */
        case MMC_RSP_SPI_R2:
-                cmd->resp[0] |= *cp << 8;
+                /* read the next byte */
+                if (cp == end) {
+                        value = mmc_spi_readbytes(host, 1);
+                        if (value < 0)
+                                goto done;
+                        cp = host->data->status;
+                        end = cp+1;
+                }
+                if (bitshift) {
+                        rotator = leftover << 8;
+                        rotator |= *cp << bitshift;
+                        cmd->resp[0] |= (rotator & 0xFF00);
+                } else {
+                        cmd->resp[0] |= *cp << 8;
+                }
                break;
        /* SPI R3, R4, or R7 == R1 + 4 bytes */
        case MMC_RSP_SPI_R3:
-                cmd->resp[1] = get_unaligned_be32(cp);
+                rotator = leftover << 8;
+                cmd->resp[1] = 0;
+                for (i = 0; i < 4; i++) {
+                        cmd->resp[1] <<= 8;
+                        /* read the next byte */
+                        if (cp == end) {
+                                value = mmc_spi_readbytes(host, 1);
+                                if (value < 0)
+                                        goto done;
+                                cp = host->data->status;
+                                end = cp+1;
+                        }
+                        if (bitshift) {
+                                rotator |= *cp++ << bitshift;
+                                cmd->resp[1] |= (rotator >> 8);
+                                rotator <<= 8;
+                        } else {
+                                cmd->resp[1] |= *cp++;
+                        }
+                }
                break;
        /* SPI R1 == just one status byte */
@@ -607,7 +660,7 @@ mmc_spi_setup_data_message(
 */
 static int
 mmc_spi_writeblock(struct mmc_spi_host *host, struct spi_transfer *t,
-        ktime_t timeout)
+        unsigned long timeout)
 {
        struct spi_device       *spi = host->spi;
        int                     status, i;
@@ -717,11 +770,13 @@ mmc_spi_writeblock(struct mmc_spi_host *host, struct spi_transfer *t,
 */
 static int
 mmc_spi_readblock(struct mmc_spi_host *host, struct spi_transfer *t,
-        ktime_t timeout)
+        unsigned long timeout)
 {
        struct spi_device       *spi = host->spi;
        int                     status;
        struct scratch          *scratch = host->data;
+        unsigned int            bitshift;
+        u8                      leftover;
        /* At least one SD card sends an all-zeroes byte when N(CX)
         * applies, before the all-ones bytes ... just cope with that.
@@ -733,38 +788,60 @@ mmc_spi_readblock(struct mmc_spi_host *host, struct spi_transfer *t,
        if (status == 0xff || status == 0)
                status = mmc_spi_readtoken(host, timeout);
-        if (status == SPI_TOKEN_SINGLE) {
+        if (status < 0) {
-                if (host->dma_dev) {
+                dev_dbg(&spi->dev, "read error %02x (%d)\n", status, status);
-                        dma_sync_single_for_device(host->dma_dev,
+                return status;
-                                        host->data_dma, sizeof(*scratch),
+        }
-                                        DMA_BIDIRECTIONAL);
-                        dma_sync_single_for_device(host->dma_dev,
-                                        t->rx_dma, t->len,
-                                        DMA_FROM_DEVICE);
-                }
-                status = spi_sync(spi, &host->m);
+        /* The token may be bit-shifted...
+         * the first 0-bit precedes the data stream.
+         */
+        bitshift = 7;
+        while (status & 0x80) {
+                status <<= 1;
+                bitshift--;
+        }
+        leftover = status << 1;
-                if (host->dma_dev) {
+        if (host->dma_dev) {
-                        dma_sync_single_for_cpu(host->dma_dev,
+                dma_sync_single_for_device(host->dma_dev,
-                                        host->data_dma, sizeof(*scratch),
+                                host->data_dma, sizeof(*scratch),
-                                        DMA_BIDIRECTIONAL);
+                                DMA_BIDIRECTIONAL);
-                        dma_sync_single_for_cpu(host->dma_dev,
+                dma_sync_single_for_device(host->dma_dev,
-                                        t->rx_dma, t->len,
+                                t->rx_dma, t->len,
-                                        DMA_FROM_DEVICE);
+                                DMA_FROM_DEVICE);
-                }
+        }
-        } else {
+        status = spi_sync(spi, &host->m);
-                dev_dbg(&spi->dev, "read error %02x (%d)\n", status, status);
-                /* we've read extra garbage, timed out, etc */
+        if (host->dma_dev) {
-                if (status < 0)
+                dma_sync_single_for_cpu(host->dma_dev,
-                        return status;
+                                host->data_dma, sizeof(*scratch),
+                                DMA_BIDIRECTIONAL);
+                dma_sync_single_for_cpu(host->dma_dev,
+                                t->rx_dma, t->len,
+                                DMA_FROM_DEVICE);
+        }
-                /* low four bits are an R2 subset, fifth seems to be
+        if (bitshift) {
-                 * vendor specific ... map them all to generic error..
+                /* Walk through the data and the crc and do
+                 * all the magic to get byte-aligned data.
                 */
-                return -EIO;
+                u8 *cp = t->rx_buf;
+                unsigned int len;
+                unsigned int bitright = 8 - bitshift;
+                u8 temp;
+                for (len = t->len; len; len--) {
+                        temp = *cp;
+                        *cp++ = leftover | (temp >> bitshift);
+                        leftover = temp << bitright;
+                }
+                cp = (u8 *) &scratch->crc_val;
+                temp = *cp;
+                *cp++ = leftover | (temp >> bitshift);
+                leftover = temp << bitright;
+                temp = *cp;
+                *cp = leftover | (temp >> bitshift);
        }
        if (host->mmc->use_spi_crc) {
@@ -803,7 +880,7 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd,
        unsigned                n_sg;
        int                     multiple = (data->blocks > 1);
        u32                     clock_rate;
-        ktime_t                 timeout;
+        unsigned long           timeout;
        if (data->flags & MMC_DATA_READ)
                direction = DMA_FROM_DEVICE;
@@ -817,8 +894,9 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd,
        else
                clock_rate = spi->max_speed_hz;
-        timeout = ktime_add_ns(ktime_set(0, 0), data->timeout_ns +
+        timeout = data->timeout_ns +
-                        data->timeout_clks * 1000000 / clock_rate);
+                  data->timeout_clks * 1000000 / clock_rate;
+        timeout = usecs_to_jiffies((unsigned int)(timeout / 1000)) + 1;
        /* Handle scatterlist segments one at a time, with synch for
         * each 512-byte block
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index d183be6f2a5f..e62a22a7f00c 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -298,7 +298,6 @@ mmc_omap_xfer_done(struct mmc_omap_host *host, struct mmc_data *data)
                struct mmc_request *mrq = host->mrq;
                host->mrq = NULL;
-                mmc_omap_fclk_lazy_disable(host);
                mmc_request_done(host->mmc, mrq);
                return;
        }
@@ -434,6 +433,8 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
        if (host->mrq == NULL) {
                OMAP_HSMMC_WRITE(host->base, STAT,
                        OMAP_HSMMC_READ(host->base, STAT));
+                /* Flush posted write */
+                OMAP_HSMMC_READ(host->base, STAT);
                return IRQ_HANDLED;
        }
@@ -489,8 +490,10 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
        }
        OMAP_HSMMC_WRITE(host->base, STAT, status);
+        /* Flush posted write */
+        OMAP_HSMMC_READ(host->base, STAT);
-        if (end_cmd || (status & CC))
+        if (end_cmd || ((status & CC) && host->cmd))
                mmc_omap_cmd_done(host, host->cmd);
        if (end_trans || (status & TC))
                mmc_omap_xfer_done(host, data);
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index c5b316e22371..cd37962ec44f 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -729,6 +729,6 @@ static void __exit sdhci_drv_exit(void)
 module_init(sdhci_drv_init);
 module_exit(sdhci_drv_exit);
-MODULE_AUTHOR("Pierre Ossman <drzeus@drzeus.cx>");
+MODULE_AUTHOR("Pierre Ossman <pierre@ossman.eu>");
 MODULE_DESCRIPTION("Secure Digital Host Controller Interface PCI driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 30d8e3d4e6fd..9234be2226e7 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1935,7 +1935,7 @@ module_exit(sdhci_drv_exit);
 module_param(debug_quirks, uint, 0444);
-MODULE_AUTHOR("Pierre Ossman <drzeus@drzeus.cx>");
+MODULE_AUTHOR("Pierre Ossman <pierre@ossman.eu>");
 MODULE_DESCRIPTION("Secure Digital Host Controller Interface core driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/mmc/host/wbsd.c b/drivers/mmc/host/wbsd.c
index adda37952032..89bf8cd25cac 100644
--- a/drivers/mmc/host/wbsd.c
+++ b/drivers/mmc/host/wbsd.c
@@ -2036,7 +2036,7 @@ module_param_named(irq, param_irq, uint, 0444);
 module_param_named(dma, param_dma, int, 0444);
 MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Pierre Ossman <drzeus@drzeus.cx>");
+MODULE_AUTHOR("Pierre Ossman <pierre@ossman.eu>");
 MODULE_DESCRIPTION("Winbond W83L51xD SD/MMC card interface driver");
 #ifdef CONFIG_PNP
diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c
index 45940f31fe9e..218b9a16ac3f 100644
--- a/drivers/platform/x86/fujitsu-laptop.c
+++ b/drivers/platform/x86/fujitsu-laptop.c
@@ -174,8 +174,7 @@ struct fujitsu_hotkey_t {
 static struct fujitsu_hotkey_t *fujitsu_hotkey;
-static void acpi_fujitsu_hotkey_notify(acpi_handle handle, u32 event,
+static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event);
-                                       void *data);
 #ifdef CONFIG_LEDS_CLASS
 static enum led_brightness logolamp_get(struct led_classdev *cdev);
@@ -203,7 +202,7 @@ struct led_classdev kblamps_led = {
 static u32 dbg_level = 0x03;
 #endif
-static void acpi_fujitsu_notify(acpi_handle handle, u32 event, void *data);
+static void acpi_fujitsu_notify(struct acpi_device *device, u32 event);
 /* Fujitsu ACPI interface function */
@@ -658,7 +657,6 @@ static struct dmi_system_id fujitsu_dmi_table[] = {
 static int acpi_fujitsu_add(struct acpi_device *device)
 {
-        acpi_status status;
        acpi_handle handle;
        int result = 0;
        int state = 0;
@@ -673,20 +671,10 @@ static int acpi_fujitsu_add(struct acpi_device *device)
        sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS);
        device->driver_data = fujitsu;
-        status = acpi_install_notify_handler(device->handle,
-                                             ACPI_DEVICE_NOTIFY,
-                                             acpi_fujitsu_notify, fujitsu);
-        if (ACPI_FAILURE(status)) {
-                printk(KERN_ERR "Error installing notify handler\n");
-                error = -ENODEV;
-                goto err_stop;
-        }
        fujitsu->input = input = input_allocate_device();
        if (!input) {
                error = -ENOMEM;
-                goto err_uninstall_notify;
+                goto err_stop;
        }
        snprintf(fujitsu->phys, sizeof(fujitsu->phys),
@@ -743,9 +731,6 @@ static int acpi_fujitsu_add(struct acpi_device *device)
 end:
 err_free_input_dev:
        input_free_device(input);
-err_uninstall_notify:
-        acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
-                                   acpi_fujitsu_notify);
 err_stop:
        return result;
@@ -753,7 +738,6 @@ err_stop:
 static int acpi_fujitsu_remove(struct acpi_device *device, int type)
 {
-        acpi_status status;
        struct fujitsu_t *fujitsu = NULL;
        if (!device || !acpi_driver_data(device))
@@ -761,10 +745,6 @@ static int acpi_fujitsu_remove(struct acpi_device *device, int type)
        fujitsu = acpi_driver_data(device);
-        status = acpi_remove_notify_handler(fujitsu->acpi_handle,
-                                            ACPI_DEVICE_NOTIFY,
-                                            acpi_fujitsu_notify);
        if (!device || !acpi_driver_data(device))
                return -EINVAL;
@@ -775,7 +755,7 @@ static int acpi_fujitsu_remove(struct acpi_device *device, int type)
 /* Brightness notify */
-static void acpi_fujitsu_notify(acpi_handle handle, u32 event, void *data)
+static void acpi_fujitsu_notify(struct acpi_device *device, u32 event)
 {
        struct input_dev *input;
        int keycode;
@@ -829,15 +809,12 @@ static void acpi_fujitsu_notify(acpi_handle handle, u32 event, void *data)
                input_report_key(input, keycode, 0);
                input_sync(input);
        }
-        return;
 }
 /* ACPI device for hotkey handling */
 static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
 {
-        acpi_status status;
        acpi_handle handle;
        int result = 0;
        int state = 0;
@@ -854,17 +831,6 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
        sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS);
        device->driver_data = fujitsu_hotkey;
-        status = acpi_install_notify_handler(device->handle,
-                                             ACPI_DEVICE_NOTIFY,
-                                             acpi_fujitsu_hotkey_notify,
-                                             fujitsu_hotkey);
-        if (ACPI_FAILURE(status)) {
-                printk(KERN_ERR "Error installing notify handler\n");
-                error = -ENODEV;
-                goto err_stop;
-        }
        /* kfifo */
        spin_lock_init(&fujitsu_hotkey->fifo_lock);
        fujitsu_hotkey->fifo =
@@ -879,7 +845,7 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
        fujitsu_hotkey->input = input = input_allocate_device();
        if (!input) {
                error = -ENOMEM;
-                goto err_uninstall_notify;
+                goto err_free_fifo;
        }
        snprintf(fujitsu_hotkey->phys, sizeof(fujitsu_hotkey->phys),
@@ -975,9 +941,7 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
 end:
 err_free_input_dev:
        input_free_device(input);
-err_uninstall_notify:
+err_free_fifo:
-        acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
-                                   acpi_fujitsu_hotkey_notify);
        kfifo_free(fujitsu_hotkey->fifo);
 err_stop:
@@ -986,7 +950,6 @@ err_stop:
 static int acpi_fujitsu_hotkey_remove(struct acpi_device *device, int type)
 {
-        acpi_status status;
        struct fujitsu_hotkey_t *fujitsu_hotkey = NULL;
        if (!device || !acpi_driver_data(device))
@@ -994,10 +957,6 @@ static int acpi_fujitsu_hotkey_remove(struct acpi_device *device, int type)
        fujitsu_hotkey = acpi_driver_data(device);
-        status = acpi_remove_notify_handler(fujitsu_hotkey->acpi_handle,
-                                            ACPI_DEVICE_NOTIFY,
-                                            acpi_fujitsu_hotkey_notify);
        fujitsu_hotkey->acpi_handle = NULL;
        kfifo_free(fujitsu_hotkey->fifo);
@@ -1005,8 +964,7 @@ static int acpi_fujitsu_hotkey_remove(struct acpi_device *device, int type)
        return 0;
 }
-static void acpi_fujitsu_hotkey_notify(acpi_handle handle, u32 event,
+static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event)
-                                       void *data)
 {
        struct input_dev *input;
        int keycode, keycode_r;
@@ -1089,8 +1047,6 @@ static void acpi_fujitsu_hotkey_notify(acpi_handle handle, u32 event,
                input_sync(input);
                break;
        }
-        return;
 }
 /* Initialization */
@@ -1107,6 +1063,7 @@ static struct acpi_driver acpi_fujitsu_driver = {
        .ops = {
                .add = acpi_fujitsu_add,
                .remove = acpi_fujitsu_remove,
+                .notify = acpi_fujitsu_notify,
                },
 };
@@ -1122,6 +1079,7 @@ static struct acpi_driver acpi_fujitsu_hotkey_driver = {
        .ops = {
                .add = acpi_fujitsu_hotkey_add,
                .remove = acpi_fujitsu_hotkey_remove,
+                .notify = acpi_fujitsu_hotkey_notify,
                },
 };
diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c
index a5ce4bc202e3..fe7cf0188acc 100644
--- a/drivers/platform/x86/panasonic-laptop.c
+++ b/drivers/platform/x86/panasonic-laptop.c
@@ -176,6 +176,7 @@ enum SINF_BITS { SINF_NUM_BATTERIES = 0,
 static int acpi_pcc_hotkey_add(struct acpi_device *device);
 static int acpi_pcc_hotkey_remove(struct acpi_device *device, int type);
 static int acpi_pcc_hotkey_resume(struct acpi_device *device);
+static void acpi_pcc_hotkey_notify(struct acpi_device *device, u32 event);
 static const struct acpi_device_id pcc_device_ids[] = {
        { "MAT0012", 0},
@@ -194,6 +195,7 @@ static struct acpi_driver acpi_pcc_driver = {
                                .add =          acpi_pcc_hotkey_add,
                                .remove =       acpi_pcc_hotkey_remove,
                                .resume =       acpi_pcc_hotkey_resume,
+                                .notify =       acpi_pcc_hotkey_notify,
                        },
 };
@@ -271,7 +273,7 @@ static int acpi_pcc_retrieve_biosdata(struct pcc_acpi *pcc, u32 *sinf)
        union acpi_object *hkey = NULL;
        int i;
-        status = acpi_evaluate_object(pcc->handle, METHOD_HKEY_SINF, 0,
+        status = acpi_evaluate_object(pcc->handle, METHOD_HKEY_SINF, NULL,
                                      &buffer);
        if (ACPI_FAILURE(status)) {
                ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
@@ -527,9 +529,9 @@ static void acpi_pcc_generate_keyinput(struct pcc_acpi *pcc)
        return;
 }
-static void acpi_pcc_hotkey_notify(acpi_handle handle, u32 event, void *data)
+static void acpi_pcc_hotkey_notify(struct acpi_device *device, u32 event)
 {
-        struct pcc_acpi *pcc = (struct pcc_acpi *) data;
+        struct pcc_acpi *pcc = acpi_driver_data(device);
        switch (event) {
        case HKEY_NOTIFY:
@@ -599,7 +601,6 @@ static int acpi_pcc_hotkey_resume(struct acpi_device *device)
 static int acpi_pcc_hotkey_add(struct acpi_device *device)
 {
-        acpi_status status;
        struct pcc_acpi *pcc;
        int num_sifr, result;
@@ -640,22 +641,11 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device)
                goto out_sinf;
        }
-        /* initialize hotkey input device */
-        status = acpi_install_notify_handler(pcc->handle, ACPI_DEVICE_NOTIFY,
-                                             acpi_pcc_hotkey_notify, pcc);
-        if (ACPI_FAILURE(status)) {
-                ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-                                  "Error installing notify handler\n"));
-                result = -ENODEV;
-                goto out_input;
-        }
        /* initialize backlight */
        pcc->backlight = backlight_device_register("panasonic", NULL, pcc,
                                                   &pcc_backlight_ops);
        if (IS_ERR(pcc->backlight))
-                goto out_notify;
+                goto out_input;
        if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf)) {
                ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
@@ -680,9 +670,6 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device)
 out_backlight:
        backlight_device_unregister(pcc->backlight);
-out_notify:
-        acpi_remove_notify_handler(pcc->handle, ACPI_DEVICE_NOTIFY,
-                                   acpi_pcc_hotkey_notify);
 out_input:
        input_unregister_device(pcc->input_dev);
        /* no need to input_free_device() since core input API refcount and
@@ -723,9 +710,6 @@ static int acpi_pcc_hotkey_remove(struct acpi_device *device, int type)
        backlight_device_unregister(pcc->backlight);
-        acpi_remove_notify_handler(pcc->handle, ACPI_DEVICE_NOTIFY,
-                                   acpi_pcc_hotkey_notify);
        input_unregister_device(pcc->input_dev);
        /* no need to input_free_device() since core input API refcount and
         * free()s the device */
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index a90ec5cb2f20..d3c92d777bde 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -914,7 +914,7 @@ static struct sony_nc_event sony_127_events[] = {
 /*
 * ACPI callbacks
 */
-static void sony_acpi_notify(acpi_handle handle, u32 event, void *data)
+static void sony_nc_notify(struct acpi_device *device, u32 event)
 {
        u32 ev = event;
@@ -933,7 +933,7 @@ static void sony_acpi_notify(acpi_handle handle, u32 event, void *data)
                        struct sony_nc_event *key_event;
                        if (sony_call_snc_handle(key_handle, 0x200, &result)) {
-                                dprintk("sony_acpi_notify, unable to decode"
+                                dprintk("sony_nc_notify, unable to decode"
                                        " event 0x%.2x 0x%.2x\n", key_handle,
                                        ev);
                                /* restore the original event */
@@ -968,7 +968,7 @@ static void sony_acpi_notify(acpi_handle handle, u32 event, void *data)
        } else
                sony_laptop_report_input_event(ev);
-        dprintk("sony_acpi_notify, event: 0x%.2x\n", ev);
+        dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
        acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
 }
@@ -1276,15 +1276,6 @@ static int sony_nc_add(struct acpi_device *device)
                goto outwalk;
        }
-        status = acpi_install_notify_handler(sony_nc_acpi_handle,
-                                             ACPI_DEVICE_NOTIFY,
-                                             sony_acpi_notify, NULL);
-        if (ACPI_FAILURE(status)) {
-                printk(KERN_WARNING DRV_PFX "unable to install notify handler (%u)\n", status);
-                result = -ENODEV;
-                goto outinput;
-        }
        if (acpi_video_backlight_support()) {
                printk(KERN_INFO DRV_PFX "brightness ignored, must be "
                       "controlled by ACPI video driver\n");
@@ -1362,13 +1353,6 @@ static int sony_nc_add(struct acpi_device *device)
        if (sony_backlight_device)
                backlight_device_unregister(sony_backlight_device);
-        status = acpi_remove_notify_handler(sony_nc_acpi_handle,
-                                            ACPI_DEVICE_NOTIFY,
-                                            sony_acpi_notify);
-        if (ACPI_FAILURE(status))
-                printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
-      outinput:
        sony_laptop_remove_input();
      outwalk:
@@ -1378,7 +1362,6 @@ static int sony_nc_add(struct acpi_device *device)
 static int sony_nc_remove(struct acpi_device *device, int type)
 {
-        acpi_status status;
        struct sony_nc_value *item;
        if (sony_backlight_device)
@@ -1386,12 +1369,6 @@ static int sony_nc_remove(struct acpi_device *device, int type)
        sony_nc_acpi_device = NULL;
-        status = acpi_remove_notify_handler(sony_nc_acpi_handle,
-                                            ACPI_DEVICE_NOTIFY,
-                                            sony_acpi_notify);
-        if (ACPI_FAILURE(status))
-                printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
        for (item = sony_nc_values; item->name; ++item) {
                device_remove_file(&sony_pf_device->dev, &item->devattr);
        }
@@ -1425,6 +1402,7 @@ static struct acpi_driver sony_nc_driver = {
                .add = sony_nc_add,
                .remove = sony_nc_remove,
                .resume = sony_nc_resume,
+                .notify = sony_nc_notify,
                },
 };
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index 2f269e117b8f..043b208d971d 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -81,6 +81,7 @@ static struct wmi_block wmi_blocks;
 static int acpi_wmi_remove(struct acpi_device *device, int type);
 static int acpi_wmi_add(struct acpi_device *device);
+static void acpi_wmi_notify(struct acpi_device *device, u32 event);
 static const struct acpi_device_id wmi_device_ids[] = {
        {"PNP0C14", 0},
@@ -96,6 +97,7 @@ static struct acpi_driver acpi_wmi_driver = {
        .ops = {
                .add = acpi_wmi_add,
                .remove = acpi_wmi_remove,
+                .notify = acpi_wmi_notify,
                },
 };
@@ -643,12 +645,11 @@ acpi_wmi_ec_space_handler(u32 function, acpi_physical_address address,
        }
 }
-static void acpi_wmi_notify(acpi_handle handle, u32 event, void *data)
+static void acpi_wmi_notify(struct acpi_device *device, u32 event)
 {
        struct guid_block *block;
        struct wmi_block *wblock;
        struct list_head *p;
-        struct acpi_device *device = data;
        list_for_each(p, &wmi_blocks.list) {
                wblock = list_entry(p, struct wmi_block, list);
@@ -669,9 +670,6 @@ static void acpi_wmi_notify(acpi_handle handle, u32 event, void *data)
 static int acpi_wmi_remove(struct acpi_device *device, int type)
 {
-        acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
-                acpi_wmi_notify);
        acpi_remove_address_space_handler(device->handle,
                                ACPI_ADR_SPACE_EC, &acpi_wmi_ec_space_handler);
@@ -683,13 +681,6 @@ static int __init acpi_wmi_add(struct acpi_device *device)
        acpi_status status;
        int result = 0;
-        status = acpi_install_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
-                acpi_wmi_notify, device);
-        if (ACPI_FAILURE(status)) {
-                printk(KERN_ERR PREFIX "Error installing notify handler\n");
-                return -ENODEV;
-        }
        status = acpi_install_address_space_handler(device->handle,
                                                    ACPI_ADR_SPACE_EC,
                                                    &acpi_wmi_ec_space_handler,
diff --git a/drivers/serial/max3100.c b/drivers/serial/max3100.c
new file mode 100644
index 000000000000..9fd33e5622bd
--- /dev/null
+++ b/drivers/serial/max3100.c
@@ -0,0 +1,927 @@
+/*
+ *
+ *  Copyright (C) 2008 Christian Pellegrin <chripell@evolware.org>
+ *
+ * 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.
+ *
+ *
+ * Notes: the MAX3100 doesn't provide an interrupt on CTS so we have
+ * to use polling for flow control. TX empty IRQ is unusable, since
+ * writing conf clears FIFO buffer and we cannot have this interrupt
+ * always asking us for attention.
+ *
+ * Example platform data:
+ static struct plat_max3100 max3100_plat_data = {
+ .loopback = 0,
+ .crystal = 0,
+ .poll_time = 100,
+ };
+ static struct spi_board_info spi_board_info[] = {
+ {
+ .modalias      = "max3100",
+ .platform_data = &max3100_plat_data,
+ .irq           = IRQ_EINT12,
+ .max_speed_hz  = 5*1000*1000,
+ .chip_select   = 0,
+ },
+ };
+ * The initial minor number is 209 in the low-density serial port:
+ * mknod /dev/ttyMAX0 c 204 209
+ */
+#define MAX3100_MAJOR 204
+#define MAX3100_MINOR 209
+/* 4 MAX3100s should be enough for everyone */
+#define MAX_MAX3100 4
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/serial_core.h>
+#include <linux/serial.h>
+#include <linux/spi/spi.h>
+#include <linux/freezer.h>
+#include <linux/serial_max3100.h>
+#define MAX3100_C    (1<<14)
+#define MAX3100_D    (0<<14)
+#define MAX3100_W    (1<<15)
+#define MAX3100_RX   (0<<15)
+#define MAX3100_WC   (MAX3100_W  | MAX3100_C)
+#define MAX3100_RC   (MAX3100_RX | MAX3100_C)
+#define MAX3100_WD   (MAX3100_W  | MAX3100_D)
+#define MAX3100_RD   (MAX3100_RX | MAX3100_D)
+#define MAX3100_CMD  (3 << 14)
+#define MAX3100_T    (1<<14)
+#define MAX3100_R    (1<<15)
+#define MAX3100_FEN  (1<<13)
+#define MAX3100_SHDN (1<<12)
+#define MAX3100_TM   (1<<11)
+#define MAX3100_RM   (1<<10)
+#define MAX3100_PM   (1<<9)
+#define MAX3100_RAM  (1<<8)
+#define MAX3100_IR   (1<<7)
+#define MAX3100_ST   (1<<6)
+#define MAX3100_PE   (1<<5)
+#define MAX3100_L    (1<<4)
+#define MAX3100_BAUD (0xf)
+#define MAX3100_TE   (1<<10)
+#define MAX3100_RAFE (1<<10)
+#define MAX3100_RTS  (1<<9)
+#define MAX3100_CTS  (1<<9)
+#define MAX3100_PT   (1<<8)
+#define MAX3100_DATA (0xff)
+#define MAX3100_RT   (MAX3100_R | MAX3100_T)
+#define MAX3100_RTC  (MAX3100_RT | MAX3100_CTS | MAX3100_RAFE)
+/* the following simulate a status reg for ignore_status_mask */
+#define MAX3100_STATUS_PE 1
+#define MAX3100_STATUS_FE 2
+#define MAX3100_STATUS_OE 4
+struct max3100_port {
+        struct uart_port port;
+        struct spi_device *spi;
+        int cts;                /* last CTS received for flow ctrl */
+        int tx_empty;           /* last TX empty bit */
+        spinlock_t conf_lock;   /* shared data */
+        int conf_commit;        /* need to make changes */
+        int conf;               /* configuration for the MAX31000
+                                 * (bits 0-7, bits 8-11 are irqs) */
+        int rts_commit;         /* need to change rts */
+        int rts;                /* rts status */
+        int baud;               /* current baud rate */
+        int parity;             /* keeps track if we should send parity */
+#define MAX3100_PARITY_ON 1
+#define MAX3100_PARITY_ODD 2
+#define MAX3100_7BIT 4
+        int rx_enabled;         /* if we should rx chars */
+        int irq;                /* irq assigned to the max3100 */
+        int minor;              /* minor number */
+        int crystal;            /* 1 if 3.6864Mhz crystal 0 for 1.8432 */
+        int loopback;           /* 1 if we are in loopback mode */
+        /* for handling irqs: need workqueue since we do spi_sync */
+        struct workqueue_struct *workqueue;
+        struct work_struct work;
+        /* set to 1 to make the workhandler exit as soon as possible */
+        int  force_end_work;
+        /* need to know we are suspending to avoid deadlock on workqueue */
+        int suspending;
+        /* hook for suspending MAX3100 via dedicated pin */
+        void (*max3100_hw_suspend) (int suspend);
+        /* poll time (in ms) for ctrl lines */
+        int poll_time;
+        /* and its timer */
+        struct timer_list       timer;
+};
+static struct max3100_port *max3100s[MAX_MAX3100]; /* the chips */
+static DEFINE_MUTEX(max3100s_lock);                /* race on probe */
+static int max3100_do_parity(struct max3100_port *s, u16 c)
+{
+        int parity;
+        if (s->parity & MAX3100_PARITY_ODD)
+                parity = 1;
+        else
+                parity = 0;
+        if (s->parity & MAX3100_7BIT)
+                c &= 0x7f;
+        else
+                c &= 0xff;
+        parity = parity ^ (hweight8(c) & 1);
+        return parity;
+}
+static int max3100_check_parity(struct max3100_port *s, u16 c)
+{
+        return max3100_do_parity(s, c) == ((c >> 8) & 1);
+}
+static void max3100_calc_parity(struct max3100_port *s, u16 *c)
+{
+        if (s->parity & MAX3100_7BIT)
+                *c &= 0x7f;
+        else
+                *c &= 0xff;
+        if (s->parity & MAX3100_PARITY_ON)
+                *c |= max3100_do_parity(s, *c) << 8;
+}
+static void max3100_work(struct work_struct *w);
+static void max3100_dowork(struct max3100_port *s)
+{
+        if (!s->force_end_work && !work_pending(&s->work) &&
+            !freezing(current) && !s->suspending)
+                queue_work(s->workqueue, &s->work);
+}
+static void max3100_timeout(unsigned long data)
+{
+        struct max3100_port *s = (struct max3100_port *)data;
+        if (s->port.info) {
+                max3100_dowork(s);
+                mod_timer(&s->timer, jiffies + s->poll_time);
+        }
+}
+static int max3100_sr(struct max3100_port *s, u16 tx, u16 *rx)
+{
+        struct spi_message message;
+        u16 etx, erx;
+        int status;
+        struct spi_transfer tran = {
+                .tx_buf = &etx,
+                .rx_buf = &erx,
+                .len = 2,
+        };
+        etx = cpu_to_be16(tx);
+        spi_message_init(&message);
+        spi_message_add_tail(&tran, &message);
+        status = spi_sync(s->spi, &message);
+        if (status) {
+                dev_warn(&s->spi->dev, "error while calling spi_sync\n");
+                return -EIO;
+        }
+        *rx = be16_to_cpu(erx);
+        s->tx_empty = (*rx & MAX3100_T) > 0;
+        dev_dbg(&s->spi->dev, "%04x - %04x\n", tx, *rx);
+        return 0;
+}
+static int max3100_handlerx(struct max3100_port *s, u16 rx)
+{
+        unsigned int ch, flg, status = 0;
+        int ret = 0, cts;
+        if (rx & MAX3100_R && s->rx_enabled) {
+                dev_dbg(&s->spi->dev, "%s\n", __func__);
+                ch = rx & (s->parity & MAX3100_7BIT ? 0x7f : 0xff);
+                if (rx & MAX3100_RAFE) {
+                        s->port.icount.frame++;
+                        flg = TTY_FRAME;
+                        status |= MAX3100_STATUS_FE;
+                } else {
+                        if (s->parity & MAX3100_PARITY_ON) {
+                                if (max3100_check_parity(s, rx)) {
+                                        s->port.icount.rx++;
+                                        flg = TTY_NORMAL;
+                                } else {
+                                        s->port.icount.parity++;
+                                        flg = TTY_PARITY;
+                                        status |= MAX3100_STATUS_PE;
+                                }
+                        } else {
+                                s->port.icount.rx++;
+                                flg = TTY_NORMAL;
+                        }
+                }
+                uart_insert_char(&s->port, status, MAX3100_STATUS_OE, ch, flg);
+                ret = 1;
+        }
+        cts = (rx & MAX3100_CTS) > 0;
+        if (s->cts != cts) {
+                s->cts = cts;
+                uart_handle_cts_change(&s->port, cts ? TIOCM_CTS : 0);
+        }
+        return ret;
+}
+static void max3100_work(struct work_struct *w)
+{
+        struct max3100_port *s = container_of(w, struct max3100_port, work);
+        int rxchars;
+        u16 tx, rx;
+        int conf, cconf, rts, crts;
+        struct circ_buf *xmit = &s->port.info->xmit;
+        dev_dbg(&s->spi->dev, "%s\n", __func__);
+        rxchars = 0;
+        do {
+                spin_lock(&s->conf_lock);
+                conf = s->conf;
+                cconf = s->conf_commit;
+                s->conf_commit = 0;
+                rts = s->rts;
+                crts = s->rts_commit;
+                s->rts_commit = 0;
+                spin_unlock(&s->conf_lock);
+                if (cconf)
+                        max3100_sr(s, MAX3100_WC | conf, &rx);
+                if (crts) {
+                        max3100_sr(s, MAX3100_WD | MAX3100_TE |
+                                   (s->rts ? MAX3100_RTS : 0), &rx);
+                        rxchars += max3100_handlerx(s, rx);
+                }
+                max3100_sr(s, MAX3100_RD, &rx);
+                rxchars += max3100_handlerx(s, rx);
+                if (rx & MAX3100_T) {
+                        tx = 0xffff;
+                        if (s->port.x_char) {
+                                tx = s->port.x_char;
+                                s->port.icount.tx++;
+                                s->port.x_char = 0;
+                        } else if (!uart_circ_empty(xmit) &&
+                                   !uart_tx_stopped(&s->port)) {
+                                tx = xmit->buf[xmit->tail];
+                                xmit->tail = (xmit->tail + 1) &
+                                        (UART_XMIT_SIZE - 1);
+                                s->port.icount.tx++;
+                        }
+                        if (tx != 0xffff) {
+                                max3100_calc_parity(s, &tx);
+                                tx |= MAX3100_WD | (s->rts ? MAX3100_RTS : 0);
+                                max3100_sr(s, tx, &rx);
+                                rxchars += max3100_handlerx(s, rx);
+                        }
+                }
+                if (rxchars > 16 && s->port.info->port.tty != NULL) {
+                        tty_flip_buffer_push(s->port.info->port.tty);
+                        rxchars = 0;
+                }
+                if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
+                        uart_write_wakeup(&s->port);
+        } while (!s->force_end_work &&
+                 !freezing(current) &&
+                 ((rx & MAX3100_R) ||
+                  (!uart_circ_empty(xmit) &&
+                   !uart_tx_stopped(&s->port))));
+        if (rxchars > 0 && s->port.info->port.tty != NULL)
+                tty_flip_buffer_push(s->port.info->port.tty);
+}
+static irqreturn_t max3100_irq(int irqno, void *dev_id)
+{
+        struct max3100_port *s = dev_id;
+        dev_dbg(&s->spi->dev, "%s\n", __func__);
+        max3100_dowork(s);
+        return IRQ_HANDLED;
+}
+static void max3100_enable_ms(struct uart_port *port)
+{
+        struct max3100_port *s = container_of(port,
+                                              struct max3100_port,
+                                              port);
+        if (s->poll_time > 0)
+                mod_timer(&s->timer, jiffies);
+        dev_dbg(&s->spi->dev, "%s\n", __func__);
+}
+static void max3100_start_tx(struct uart_port *port)
+{
+        struct max3100_port *s = container_of(port,
+                                              struct max3100_port,
+                                              port);
+        dev_dbg(&s->spi->dev, "%s\n", __func__);
+        max3100_dowork(s);
+}
+static void max3100_stop_rx(struct uart_port *port)
+{
+        struct max3100_port *s = container_of(port,
+                                              struct max3100_port,
+                                              port);
+        dev_dbg(&s->spi->dev, "%s\n", __func__);
+        s->rx_enabled = 0;
+        spin_lock(&s->conf_lock);
+        s->conf &= ~MAX3100_RM;
+        s->conf_commit = 1;
+        spin_unlock(&s->conf_lock);
+        max3100_dowork(s);
+}
+static unsigned int max3100_tx_empty(struct uart_port *port)
+{
+        struct max3100_port *s = container_of(port,
+                                              struct max3100_port,
+                                              port);
+        dev_dbg(&s->spi->dev, "%s\n", __func__);
+        /* may not be truly up-to-date */
+        max3100_dowork(s);
+        return s->tx_empty;
+}
+static unsigned int max3100_get_mctrl(struct uart_port *port)
+{
+        struct max3100_port *s = container_of(port,
+                                              struct max3100_port,
+                                              port);
+        dev_dbg(&s->spi->dev, "%s\n", __func__);
+        /* may not be truly up-to-date */
+        max3100_dowork(s);
+        /* always assert DCD and DSR since these lines are not wired */
+        return (s->cts ? TIOCM_CTS : 0) | TIOCM_DSR | TIOCM_CAR;
+}
+static void max3100_set_mctrl(struct uart_port *port, unsigned int mctrl)
+{
+        struct max3100_port *s = container_of(port,
+                                              struct max3100_port,
+                                              port);
+        int rts;
+        dev_dbg(&s->spi->dev, "%s\n", __func__);
+        rts = (mctrl & TIOCM_RTS) > 0;
+        spin_lock(&s->conf_lock);
+        if (s->rts != rts) {
+                s->rts = rts;
+                s->rts_commit = 1;
+                max3100_dowork(s);
+        }
+        spin_unlock(&s->conf_lock);
+}
+static void
+max3100_set_termios(struct uart_port *port, struct ktermios *termios,
+                    struct ktermios *old)
+{
+        struct max3100_port *s = container_of(port,
+                                              struct max3100_port,
+                                              port);
+        int baud = 0;
+        unsigned cflag;
+        u32 param_new, param_mask, parity = 0;
+        struct tty_struct *tty = s->port.info->port.tty;
+        dev_dbg(&s->spi->dev, "%s\n", __func__);
+        if (!tty)
+                return;
+        cflag = termios->c_cflag;
+        param_new = 0;
+        param_mask = 0;
+        baud = tty_get_baud_rate(tty);
+        param_new = s->conf & MAX3100_BAUD;
+        switch (baud) {
+        case 300:
+                if (s->crystal)
+                        baud = s->baud;
+                else
+                        param_new = 15;
+                break;
+        case 600:
+                param_new = 14 + s->crystal;
+                break;
+        case 1200:
+                param_new = 13 + s->crystal;
+                break;
+        case 2400:
+                param_new = 12 + s->crystal;
+                break;
+        case 4800:
+                param_new = 11 + s->crystal;
+                break;
+        case 9600:
+                param_new = 10 + s->crystal;
+                break;
+        case 19200:
+                param_new = 9 + s->crystal;
+                break;
+        case 38400:
+                param_new = 8 + s->crystal;
+                break;
+        case 57600:
+                param_new = 1 + s->crystal;
+                break;
+        case 115200:
+                param_new = 0 + s->crystal;
+                break;
+        case 230400:
+                if (s->crystal)
+                        param_new = 0;
+                else
+                        baud = s->baud;
+                break;
+        default:
+                baud = s->baud;
+        }
+        tty_encode_baud_rate(tty, baud, baud);
+        s->baud = baud;
+        param_mask |= MAX3100_BAUD;
+        if ((cflag & CSIZE) == CS8) {
+                param_new &= ~MAX3100_L;
+                parity &= ~MAX3100_7BIT;
+        } else {
+                param_new |= MAX3100_L;
+                parity |= MAX3100_7BIT;
+                cflag = (cflag & ~CSIZE) | CS7;
+        }
+        param_mask |= MAX3100_L;
+        if (cflag & CSTOPB)
+                param_new |= MAX3100_ST;
+        else
+                param_new &= ~MAX3100_ST;
+        param_mask |= MAX3100_ST;
+        if (cflag & PARENB) {
+                param_new |= MAX3100_PE;
+                parity |= MAX3100_PARITY_ON;
+        } else {
+                param_new &= ~MAX3100_PE;
+                parity &= ~MAX3100_PARITY_ON;
+        }
+        param_mask |= MAX3100_PE;
+        if (cflag & PARODD)
+                parity |= MAX3100_PARITY_ODD;
+        else
+                parity &= ~MAX3100_PARITY_ODD;
+        /* mask termios capabilities we don't support */
+        cflag &= ~CMSPAR;
+        termios->c_cflag = cflag;
+        s->port.ignore_status_mask = 0;
+        if (termios->c_iflag & IGNPAR)
+                s->port.ignore_status_mask |=
+                        MAX3100_STATUS_PE | MAX3100_STATUS_FE |
+                        MAX3100_STATUS_OE;
+        /* we are sending char from a workqueue so enable */
+        s->port.info->port.tty->low_latency = 1;
+        if (s->poll_time > 0)
+                del_timer_sync(&s->timer);
+        uart_update_timeout(port, termios->c_cflag, baud);
+        spin_lock(&s->conf_lock);
+        s->conf = (s->conf & ~param_mask) | (param_new & param_mask);
+        s->conf_commit = 1;
+        s->parity = parity;
+        spin_unlock(&s->conf_lock);
+        max3100_dowork(s);
+        if (UART_ENABLE_MS(&s->port, termios->c_cflag))
+                max3100_enable_ms(&s->port);
+}
+static void max3100_shutdown(struct uart_port *port)
+{
+        struct max3100_port *s = container_of(port,
+                                              struct max3100_port,
+                                              port);
+        dev_dbg(&s->spi->dev, "%s\n", __func__);
+        if (s->suspending)
+                return;
+        s->force_end_work = 1;
+        if (s->poll_time > 0)
+                del_timer_sync(&s->timer);
+        if (s->workqueue) {
+                flush_workqueue(s->workqueue);
+                destroy_workqueue(s->workqueue);
+                s->workqueue = NULL;
+        }
+        if (s->irq)
+                free_irq(s->irq, s);
+        /* set shutdown mode to save power */
+        if (s->max3100_hw_suspend)
+                s->max3100_hw_suspend(1);
+        else  {
+                u16 tx, rx;
+                tx = MAX3100_WC | MAX3100_SHDN;
+                max3100_sr(s, tx, &rx);
+        }
+}
+static int max3100_startup(struct uart_port *port)
+{
+        struct max3100_port *s = container_of(port,
+                                              struct max3100_port,
+                                              port);
+        char b[12];
+        dev_dbg(&s->spi->dev, "%s\n", __func__);
+        s->conf = MAX3100_RM;
+        s->baud = s->crystal ? 230400 : 115200;
+        s->rx_enabled = 1;
+        if (s->suspending)
+                return 0;
+        s->force_end_work = 0;
+        s->parity = 0;
+        s->rts = 0;
+        sprintf(b, "max3100-%d", s->minor);
+        s->workqueue = create_freezeable_workqueue(b);
+        if (!s->workqueue) {
+                dev_warn(&s->spi->dev, "cannot create workqueue\n");
+                return -EBUSY;
+        }
+        INIT_WORK(&s->work, max3100_work);
+        if (request_irq(s->irq, max3100_irq,
+                        IRQF_TRIGGER_FALLING, "max3100", s) < 0) {
+                dev_warn(&s->spi->dev, "cannot allocate irq %d\n", s->irq);
+                s->irq = 0;
+                destroy_workqueue(s->workqueue);
+                s->workqueue = NULL;
+                return -EBUSY;
+        }
+        if (s->loopback) {
+                u16 tx, rx;
+                tx = 0x4001;
+                max3100_sr(s, tx, &rx);
+        }
+        if (s->max3100_hw_suspend)
+                s->max3100_hw_suspend(0);
+        s->conf_commit = 1;
+        max3100_dowork(s);
+        /* wait for clock to settle */
+        msleep(50);
+        max3100_enable_ms(&s->port);
+        return 0;
+}
+static const char *max3100_type(struct uart_port *port)
+{
+        struct max3100_port *s = container_of(port,
+                                              struct max3100_port,
+                                              port);
+        dev_dbg(&s->spi->dev, "%s\n", __func__);
+        return s->port.type == PORT_MAX3100 ? "MAX3100" : NULL;
+}
+static void max3100_release_port(struct uart_port *port)
+{
+        struct max3100_port *s = container_of(port,
+                                              struct max3100_port,
+                                              port);
+        dev_dbg(&s->spi->dev, "%s\n", __func__);
+}
+static void max3100_config_port(struct uart_port *port, int flags)
+{
+        struct max3100_port *s = container_of(port,
+                                              struct max3100_port,
+                                              port);
+        dev_dbg(&s->spi->dev, "%s\n", __func__);
+        if (flags & UART_CONFIG_TYPE)
+                s->port.type = PORT_MAX3100;
+}
+static int max3100_verify_port(struct uart_port *port,
+                               struct serial_struct *ser)
+{
+        struct max3100_port *s = container_of(port,
+                                              struct max3100_port,
+                                              port);
+        int ret = -EINVAL;
+        dev_dbg(&s->spi->dev, "%s\n", __func__);
+        if (ser->type == PORT_UNKNOWN || ser->type == PORT_MAX3100)
+                ret = 0;
+        return ret;
+}
+static void max3100_stop_tx(struct uart_port *port)
+{
+        struct max3100_port *s = container_of(port,
+                                              struct max3100_port,
+                                              port);
+        dev_dbg(&s->spi->dev, "%s\n", __func__);
+}
+static int max3100_request_port(struct uart_port *port)
+{
+        struct max3100_port *s = container_of(port,
+                                              struct max3100_port,
+                                              port);
+        dev_dbg(&s->spi->dev, "%s\n", __func__);
+        return 0;
+}
+static void max3100_break_ctl(struct uart_port *port, int break_state)
+{
+        struct max3100_port *s = container_of(port,
+                                              struct max3100_port,
+                                              port);
+        dev_dbg(&s->spi->dev, "%s\n", __func__);
+}
+static struct uart_ops max3100_ops = {
+        .tx_empty       = max3100_tx_empty,
+        .set_mctrl      = max3100_set_mctrl,
+        .get_mctrl      = max3100_get_mctrl,
+        .stop_tx        = max3100_stop_tx,
+        .start_tx       = max3100_start_tx,
+        .stop_rx        = max3100_stop_rx,
+        .enable_ms      = max3100_enable_ms,
+        .break_ctl      = max3100_break_ctl,
+        .startup        = max3100_startup,
+        .shutdown       = max3100_shutdown,
+        .set_termios    = max3100_set_termios,
+        .type           = max3100_type,
+        .release_port   = max3100_release_port,
+        .request_port   = max3100_request_port,
+        .config_port    = max3100_config_port,
+        .verify_port    = max3100_verify_port,
+};
+static struct uart_driver max3100_uart_driver = {
+        .owner          = THIS_MODULE,
+        .driver_name    = "ttyMAX",
+        .dev_name       = "ttyMAX",
+        .major          = MAX3100_MAJOR,
+        .minor          = MAX3100_MINOR,
+        .nr             = MAX_MAX3100,
+};
+static int uart_driver_registered;
+static int __devinit max3100_probe(struct spi_device *spi)
+{
+        int i, retval;
+        struct plat_max3100 *pdata;
+        u16 tx, rx;
+        mutex_lock(&max3100s_lock);
+        if (!uart_driver_registered) {
+                uart_driver_registered = 1;
+                retval = uart_register_driver(&max3100_uart_driver);
+                if (retval) {
+                        printk(KERN_ERR "Couldn't register max3100 uart driver\n");
+                        mutex_unlock(&max3100s_lock);
+                        return retval;
+                }
+        }
+        for (i = 0; i < MAX_MAX3100; i++)
+                if (!max3100s[i])
+                        break;
+        if (i == MAX_MAX3100) {
+                dev_warn(&spi->dev, "too many MAX3100 chips\n");
+                mutex_unlock(&max3100s_lock);
+                return -ENOMEM;
+        }
+        max3100s[i] = kzalloc(sizeof(struct max3100_port), GFP_KERNEL);
+        if (!max3100s[i]) {
+                dev_warn(&spi->dev,
+                         "kmalloc for max3100 structure %d failed!\n", i);
+                mutex_unlock(&max3100s_lock);
+                return -ENOMEM;
+        }
+        max3100s[i]->spi = spi;
+        max3100s[i]->irq = spi->irq;
+        spin_lock_init(&max3100s[i]->conf_lock);
+        dev_set_drvdata(&spi->dev, max3100s[i]);
+        pdata = spi->dev.platform_data;
+        max3100s[i]->crystal = pdata->crystal;
+        max3100s[i]->loopback = pdata->loopback;
+        max3100s[i]->poll_time = pdata->poll_time * HZ / 1000;
+        if (pdata->poll_time > 0 && max3100s[i]->poll_time == 0)
+                max3100s[i]->poll_time = 1;
+        max3100s[i]->max3100_hw_suspend = pdata->max3100_hw_suspend;
+        max3100s[i]->minor = i;
+        init_timer(&max3100s[i]->timer);
+        max3100s[i]->timer.function = max3100_timeout;
+        max3100s[i]->timer.data = (unsigned long) max3100s[i];
+        dev_dbg(&spi->dev, "%s: adding port %d\n", __func__, i);
+        max3100s[i]->port.irq = max3100s[i]->irq;
+        max3100s[i]->port.uartclk = max3100s[i]->crystal ? 3686400 : 1843200;
+        max3100s[i]->port.fifosize = 16;
+        max3100s[i]->port.ops = &max3100_ops;
+        max3100s[i]->port.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF;
+        max3100s[i]->port.line = i;
+        max3100s[i]->port.type = PORT_MAX3100;
+        max3100s[i]->port.dev = &spi->dev;
+        retval = uart_add_one_port(&max3100_uart_driver, &max3100s[i]->port);
+        if (retval < 0)
+                dev_warn(&spi->dev,
+                         "uart_add_one_port failed for line %d with error %d\n",
+                         i, retval);
+        /* set shutdown mode to save power. Will be woken-up on open */
+        if (max3100s[i]->max3100_hw_suspend)
+                max3100s[i]->max3100_hw_suspend(1);
+        else {
+                tx = MAX3100_WC | MAX3100_SHDN;
+                max3100_sr(max3100s[i], tx, &rx);
+        }
+        mutex_unlock(&max3100s_lock);
+        return 0;
+}
+static int __devexit max3100_remove(struct spi_device *spi)
+{
+        struct max3100_port *s = dev_get_drvdata(&spi->dev);
+        int i;
+        mutex_lock(&max3100s_lock);
+        /* find out the index for the chip we are removing */
+        for (i = 0; i < MAX_MAX3100; i++)
+                if (max3100s[i] == s)
+                        break;
+        dev_dbg(&spi->dev, "%s: removing port %d\n", __func__, i);
+        uart_remove_one_port(&max3100_uart_driver, &max3100s[i]->port);
+        kfree(max3100s[i]);
+        max3100s[i] = NULL;
+        /* check if this is the last chip we have */
+        for (i = 0; i < MAX_MAX3100; i++)
+                if (max3100s[i]) {
+                        mutex_unlock(&max3100s_lock);
+                        return 0;
+                }
+        pr_debug("removing max3100 driver\n");
+        uart_unregister_driver(&max3100_uart_driver);
+        mutex_unlock(&max3100s_lock);
+        return 0;
+}
+#ifdef CONFIG_PM
+static int max3100_suspend(struct spi_device *spi, pm_message_t state)
+{
+        struct max3100_port *s = dev_get_drvdata(&spi->dev);
+        dev_dbg(&s->spi->dev, "%s\n", __func__);
+        disable_irq(s->irq);
+        s->suspending = 1;
+        uart_suspend_port(&max3100_uart_driver, &s->port);
+        if (s->max3100_hw_suspend)
+                s->max3100_hw_suspend(1);
+        else {
+                /* no HW suspend, so do SW one */
+                u16 tx, rx;
+                tx = MAX3100_WC | MAX3100_SHDN;
+                max3100_sr(s, tx, &rx);
+        }
+        return 0;
+}
+static int max3100_resume(struct spi_device *spi)
+{
+        struct max3100_port *s = dev_get_drvdata(&spi->dev);
+        dev_dbg(&s->spi->dev, "%s\n", __func__);
+        if (s->max3100_hw_suspend)
+                s->max3100_hw_suspend(0);
+        uart_resume_port(&max3100_uart_driver, &s->port);
+        s->suspending = 0;
+        enable_irq(s->irq);
+        s->conf_commit = 1;
+        if (s->workqueue)
+                max3100_dowork(s);
+        return 0;
+}
+#else
+#define max3100_suspend NULL
+#define max3100_resume  NULL
+#endif
+static struct spi_driver max3100_driver = {
+        .driver = {
+                .name           = "max3100",
+                .bus            = &spi_bus_type,
+                .owner          = THIS_MODULE,
+        },
+        .probe          = max3100_probe,
+        .remove         = __devexit_p(max3100_remove),
+        .suspend        = max3100_suspend,
+        .resume         = max3100_resume,
+};
+static int __init max3100_init(void)
+{
+        return spi_register_driver(&max3100_driver);
+}
+module_init(max3100_init);
+static void __exit max3100_exit(void)
+{
+        spi_unregister_driver(&max3100_driver);
+}
+module_exit(max3100_exit);
+MODULE_DESCRIPTION("MAX3100 driver");
+MODULE_AUTHOR("Christian Pellegrin <chripell@evolware.org>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index a4dc79b1d7ab..47c6837850b1 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -1178,7 +1178,7 @@ static struct uart_driver sunsu_reg = {
        .major                  = TTY_MAJOR,
 };
-static int __init sunsu_kbd_ms_init(struct uart_sunsu_port *up)
+static int __devinit sunsu_kbd_ms_init(struct uart_sunsu_port *up)
 {
        int quot, baud;
 #ifdef CONFIG_SERIO
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 4ed228a89943..bb5e6f671578 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -280,7 +280,7 @@ static int ohci_hcd_at91_drv_probe(struct platform_device *pdev)
                 * are always powered while this driver is active, and use
                 * active-low power switches.
                 */
-                for (i = 0; i < pdata->ports; i++) {
+                for (i = 0; i < ARRAY_SIZE(pdata->vbus_pin); i++) {
                        if (pdata->vbus_pin[i] <= 0)
                                continue;
                        gpio_request(pdata->vbus_pin[i], "ohci_vbus");
@@ -298,7 +298,7 @@ static int ohci_hcd_at91_drv_remove(struct platform_device *pdev)
        int                     i;
        if (pdata) {
-                for (i = 0; i < pdata->ports; i++) {
+                for (i = 0; i < ARRAY_SIZE(pdata->vbus_pin); i++) {
                        if (pdata->vbus_pin[i] <= 0)
                                continue;
                        gpio_direction_output(pdata->vbus_pin[i], 1);
diff --git a/fs/befs/super.c b/fs/befs/super.c
index 41f2b4d0093e..ca40f828f64d 100644
--- a/fs/befs/super.c
+++ b/fs/befs/super.c
@@ -8,6 +8,7 @@
 */
 #include <linux/fs.h>
+#include <asm/page.h> /* for PAGE_SIZE */
 #include "befs.h"
 #include "super.h"
diff --git a/fs/buffer.c b/fs/buffer.c
index 6e35762b6169..13edf7ad3ff1 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1596,6 +1596,16 @@ EXPORT_SYMBOL(unmap_underlying_metadata);
 * locked buffer.   This only can happen if someone has written the buffer
 * directly, with submit_bh().  At the address_space level PageWriteback
 * prevents this contention from occurring.
+ *
+ * If block_write_full_page() is called with wbc->sync_mode ==
+ * WB_SYNC_ALL, the writes are posted using WRITE_SYNC_PLUG; this
+ * causes the writes to be flagged as synchronous writes, but the
+ * block device queue will NOT be unplugged, since usually many pages
+ * will be pushed to the out before the higher-level caller actually
+ * waits for the writes to be completed.  The various wait functions,
+ * such as wait_on_writeback_range() will ultimately call sync_page()
+ * which will ultimately call blk_run_backing_dev(), which will end up
+ * unplugging the device queue.
 */
 static int __block_write_full_page(struct inode *inode, struct page *page,
                        get_block_t *get_block, struct writeback_control *wbc)
@@ -1606,7 +1616,8 @@ static int __block_write_full_page(struct inode *inode, struct page *page,
        struct buffer_head *bh, *head;
        const unsigned blocksize = 1 << inode->i_blkbits;
        int nr_underway = 0;
-        int write_op = (wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : WRITE);
+        int write_op = (wbc->sync_mode == WB_SYNC_ALL ?
+                        WRITE_SYNC_PLUG : WRITE);
        BUG_ON(!PageLocked(page));
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 466a332e0bd1..fcfa24361856 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -1521,12 +1521,16 @@ static int ext3_ordered_writepage(struct page *page,
        if (!page_has_buffers(page)) {
                create_empty_buffers(page, inode->i_sb->s_blocksize,
                                (1 << BH_Dirty)|(1 << BH_Uptodate));
-        } else if (!walk_page_buffers(NULL, page_buffers(page), 0, PAGE_CACHE_SIZE, NULL, buffer_unmapped)) {
+                page_bufs = page_buffers(page);
-                /* Provide NULL instead of get_block so that we catch bugs if buffers weren't really mapped */
+        } else {
-                return block_write_full_page(page, NULL, wbc);
+                page_bufs = page_buffers(page);
+                if (!walk_page_buffers(NULL, page_bufs, 0, PAGE_CACHE_SIZE,
+                                       NULL, buffer_unmapped)) {
+                        /* Provide NULL get_block() to catch bugs if buffers
+                         * weren't really mapped */
+                        return block_write_full_page(page, NULL, wbc);
+                }
        }
-        page_bufs = page_buffers(page);
        handle = ext3_journal_start(inode, ext3_writepage_trans_blocks(inode));
        if (IS_ERR(handle)) {
@@ -1581,6 +1585,15 @@ static int ext3_writeback_writepage(struct page *page,
        if (ext3_journal_current_handle())
                goto out_fail;
+        if (page_has_buffers(page)) {
+                if (!walk_page_buffers(NULL, page_buffers(page), 0,
+                                      PAGE_CACHE_SIZE, NULL, buffer_unmapped)) {
+                        /* Provide NULL get_block() to catch bugs if buffers
+                         * weren't really mapped */
+                        return block_write_full_page(page, NULL, wbc);
+                }
+        }
        handle = ext3_journal_start(inode, ext3_writepage_trans_blocks(inode));
        if (IS_ERR(handle)) {
                ret = PTR_ERR(handle);
diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c
index 12c20377772d..64a72e2e7650 100644
--- a/fs/proc/task_nommu.c
+++ b/fs/proc/task_nommu.c
@@ -135,7 +135,7 @@ static int nommu_vma_show(struct seq_file *m, struct vm_area_struct *vma)
                struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
                dev = inode->i_sb->s_dev;
                ino = inode->i_ino;
-                pgoff = (loff_t)vma->pg_off << PAGE_SHIFT;
+                pgoff = (loff_t)vma->vm_pgoff << PAGE_SHIFT;
        }
        seq_printf(m,
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index a2228511d4be..c34b11022908 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -270,7 +270,6 @@ struct acpi_device {
        struct list_head children;
        struct list_head node;
        struct list_head wakeup_list;
-        struct list_head g_list;
        struct acpi_device_status status;
        struct acpi_device_flags flags;
        struct acpi_device_pnp pnp;
diff --git a/include/linux/serial_max3100.h b/include/linux/serial_max3100.h
new file mode 100644
index 000000000000..4976befb6aeb
--- /dev/null
+++ b/include/linux/serial_max3100.h
@@ -0,0 +1,52 @@
+/*
+ *
+ *  Copyright (C) 2007 Christian Pellegrin
+ *
+ * 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.
+ */
+#ifndef _LINUX_SERIAL_MAX3100_H
+#define _LINUX_SERIAL_MAX3100_H 1
+/**
+ * struct plat_max3100 - MAX3100 SPI UART platform data
+ * @loopback:            force MAX3100 in loopback
+ * @crystal:             1 for 3.6864 Mhz, 0 for 1.8432
+ * @max3100_hw_suspend:  MAX3100 has a shutdown pin. This is a hook
+ *                       called on suspend and resume to activate it.
+ * @poll_time:           poll time for CTS signal in ms, 0 disables (so no hw
+ *                       flow ctrl is possible but you have less CPU usage)
+ *
+ * You should use this structure in your machine description to specify
+ * how the MAX3100 is connected. Example:
+ *
+ * static struct plat_max3100 max3100_plat_data = {
+ *  .loopback = 0,
+ *  .crystal = 0,
+ *  .poll_time = 100,
+ * };
+ *
+ * static struct spi_board_info spi_board_info[] = {
+ * {
+ *  .modalias   = "max3100",
+ *  .platform_data      = &max3100_plat_data,
+ *  .irq                = IRQ_EINT12,
+ *  .max_speed_hz       = 5*1000*1000,
+ *  .chip_select        = 0,
+ * },
+ * };
+ *
+ **/
+struct plat_max3100 {
+        int loopback;
+        int crystal;
+        void (*max3100_hw_suspend) (int suspend);
+        int poll_time;
+};
+#endif
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index aaad0ec34194..64191fa09b7e 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -21,9 +21,7 @@
 #include <linux/audit.h>
 #include <linux/pid_namespace.h>
 #include <linux/syscalls.h>
+#include <linux/uaccess.h>
-#include <asm/pgtable.h>
-#include <asm/uaccess.h>
 /*
@@ -48,7 +46,7 @@ void __ptrace_link(struct task_struct *child, struct task_struct *new_parent)
        list_add(&child->ptrace_entry, &new_parent->ptraced);
        child->parent = new_parent;
 }
- 
 /*
 * Turn a tracing stop into a normal stop now, since with no tracer there
 * would be no way to wake it up with SIGCONT or SIGKILL.  If there was a
@@ -173,7 +171,7 @@ bool ptrace_may_access(struct task_struct *task, unsigned int mode)
        task_lock(task);
        err = __ptrace_may_access(task, mode);
        task_unlock(task);
-        return (!err ? true : false);
+        return !err;
 }
 int ptrace_attach(struct task_struct *task)
@@ -358,7 +356,7 @@ int ptrace_readdata(struct task_struct *tsk, unsigned long src, char __user *dst
                copied += retval;
                src += retval;
                dst += retval;
-                len -= retval;                  
+                len -= retval;
        }
        return copied;
 }
@@ -383,7 +381,7 @@ int ptrace_writedata(struct task_struct *tsk, char __user *src, unsigned long ds
                copied += retval;
                src += retval;
                dst += retval;
-                len -= retval;                  
+                len -= retval;
        }
        return copied;
 }
@@ -496,9 +494,9 @@ static int ptrace_resume(struct task_struct *child, long request, long data)
                if (unlikely(!arch_has_single_step()))
                        return -EIO;
                user_enable_single_step(child);
-        }
+        } else {
-        else
                user_disable_single_step(child);
+        }
        child->exit_code = data;
        wake_up_process(child);
diff --git a/sound/sparc/cs4231.c b/sound/sparc/cs4231.c
index 7d93fa705ccf..8d13d933087d 100644
--- a/sound/sparc/cs4231.c
+++ b/sound/sparc/cs4231.c
@@ -703,7 +703,7 @@ static int snd_cs4231_timer_stop(struct snd_timer *timer)
        return 0;
 }
-static void __init snd_cs4231_init(struct snd_cs4231 *chip)
+static void __devinit snd_cs4231_init(struct snd_cs4231 *chip)
 {
        unsigned long flags;
@@ -1020,7 +1020,7 @@ static snd_pcm_uframes_t snd_cs4231_capture_pointer(
        return bytes_to_frames(substream->runtime, ptr);
 }
-static int __init snd_cs4231_probe(struct snd_cs4231 *chip)
+static int __devinit snd_cs4231_probe(struct snd_cs4231 *chip)
 {
        unsigned long flags;
        int i;
@@ -1219,7 +1219,7 @@ static struct snd_pcm_ops snd_cs4231_capture_ops = {
        .pointer        =       snd_cs4231_capture_pointer,
 };
-static int __init snd_cs4231_pcm(struct snd_card *card)
+static int __devinit snd_cs4231_pcm(struct snd_card *card)
 {
        struct snd_cs4231 *chip = card->private_data;
        struct snd_pcm *pcm;
@@ -1248,7 +1248,7 @@ static int __init snd_cs4231_pcm(struct snd_card *card)
        return 0;
 }
-static int __init snd_cs4231_timer(struct snd_card *card)
+static int __devinit snd_cs4231_timer(struct snd_card *card)
 {
        struct snd_cs4231 *chip = card->private_data;
        struct snd_timer *timer;
@@ -1499,7 +1499,7 @@ static int snd_cs4231_put_double(struct snd_kcontrol *kcontrol,
  .private_value = (left_reg) | ((right_reg) << 8) | ((shift_left) << 16) | \
                   ((shift_right) << 19) | ((mask) << 24) | ((invert) << 22) }
-static struct snd_kcontrol_new snd_cs4231_controls[] __initdata = {
+static struct snd_kcontrol_new snd_cs4231_controls[] __devinitdata = {
 CS4231_DOUBLE("PCM Playback Switch", 0, CS4231_LEFT_OUTPUT,
                CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
 CS4231_DOUBLE("PCM Playback Volume", 0, CS4231_LEFT_OUTPUT,
@@ -1538,7 +1538,7 @@ CS4231_SINGLE("Line Out Switch", 0, CS4231_PIN_CTRL, 6, 1, 1),
 CS4231_SINGLE("Headphone Out Switch", 0, CS4231_PIN_CTRL, 7, 1, 1)
 };
-static int __init snd_cs4231_mixer(struct snd_card *card)
+static int __devinit snd_cs4231_mixer(struct snd_card *card)
 {
        struct snd_cs4231 *chip = card->private_data;
        int err, idx;
@@ -1559,7 +1559,7 @@ static int __init snd_cs4231_mixer(struct snd_card *card)
 static int dev;
-static int __init cs4231_attach_begin(struct snd_card **rcard)
+static int __devinit cs4231_attach_begin(struct snd_card **rcard)
 {
        struct snd_card *card;
        struct snd_cs4231 *chip;
@@ -1590,7 +1590,7 @@ static int __init cs4231_attach_begin(struct snd_card **rcard)
        return 0;
 }
-static int __init cs4231_attach_finish(struct snd_card *card)
+static int __devinit cs4231_attach_finish(struct snd_card *card)
 {
        struct snd_cs4231 *chip = card->private_data;
        int err;
@@ -1794,9 +1794,9 @@ static struct snd_device_ops snd_cs4231_sbus_dev_ops = {
        .dev_free       =       snd_cs4231_sbus_dev_free,
 };
-static int __init snd_cs4231_sbus_create(struct snd_card *card,
+static int __devinit snd_cs4231_sbus_create(struct snd_card *card,
-                                         struct of_device *op,
+                                            struct of_device *op,
-                                         int dev)
+                                            int dev)
 {
        struct snd_cs4231 *chip = card->private_data;
        int err;
@@ -1960,9 +1960,9 @@ static struct snd_device_ops snd_cs4231_ebus_dev_ops = {
        .dev_free       =       snd_cs4231_ebus_dev_free,
 };
-static int __init snd_cs4231_ebus_create(struct snd_card *card,
+static int __devinit snd_cs4231_ebus_create(struct snd_card *card,
-                                         struct of_device *op,
+                                            struct of_device *op,
-                                         int dev)
+                                            int dev)
 {
        struct snd_cs4231 *chip = card->private_data;
        int err;