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

96 files changed, 2024 insertions, 2041 deletions

diff --git a/drivers/ata/pata_ixp4xx_cf.c b/drivers/ata/pata_ixp4xx_cf.c
index 5253b271b3fe..f6b3f995f58a 100644
--- a/drivers/ata/pata_ixp4xx_cf.c
+++ b/drivers/ata/pata_ixp4xx_cf.c
@@ -167,7 +167,7 @@ static __devinit int ixp4xx_pata_probe(struct platform_device *pdev)
 
         irq = platform_get_irq(pdev, 0);
         if (irq)
-                set_irq_type(irq, IRQ_TYPE_EDGE_RISING);
+                irq_set_irq_type(irq, IRQ_TYPE_EDGE_RISING);
 
         /* Setup expansion bus chip selects */
         *data->cs0_cfg = data->cs0_bits;
diff --git a/drivers/ata/pata_palmld.c b/drivers/ata/pata_palmld.c
index a2a73d953840..b86d7e22595e 100644
--- a/drivers/ata/pata_palmld.c
+++ b/drivers/ata/pata_palmld.c
@@ -33,6 +33,11 @@
 
 #define DRV_NAME "pata_palmld"
 
+static struct gpio palmld_hdd_gpios[] = {
+        { GPIO_NR_PALMLD_IDE_PWEN,      GPIOF_INIT_HIGH,        "HDD Power" },
+        { GPIO_NR_PALMLD_IDE_RESET,     GPIOF_INIT_LOW,         "HDD Reset" },
+};
+
 static struct scsi_host_template palmld_sht = {
         ATA_PIO_SHT(DRV_NAME),
 };
@@ -52,28 +57,23 @@ static __devinit int palmld_pata_probe(struct platform_device *pdev)
 
         /* allocate host */
         host = ata_host_alloc(&pdev->dev, 1);
-        if (!host)
-                return -ENOMEM;
+        if (!host) {
+                ret = -ENOMEM;
+                goto err1;
+        }
 
         /* remap drive's physical memory address */
         mem = devm_ioremap(&pdev->dev, PALMLD_IDE_PHYS, 0x1000);
-        if (!mem)
-                return -ENOMEM;
+        if (!mem) {
+                ret = -ENOMEM;
+                goto err1;
+        }
 
         /* request and activate power GPIO, IRQ GPIO */
-        ret = gpio_request(GPIO_NR_PALMLD_IDE_PWEN, "HDD PWR");
+        ret = gpio_request_array(palmld_hdd_gpios,
+                                ARRAY_SIZE(palmld_hdd_gpios));
         if (ret)
                 goto err1;
-        ret = gpio_direction_output(GPIO_NR_PALMLD_IDE_PWEN, 1);
-        if (ret)
-                goto err2;
-
-        ret = gpio_request(GPIO_NR_PALMLD_IDE_RESET, "HDD RST");
-        if (ret)
-                goto err2;
-        ret = gpio_direction_output(GPIO_NR_PALMLD_IDE_RESET, 0);
-        if (ret)
-                goto err3;
 
         /* reset the drive */
         gpio_set_value(GPIO_NR_PALMLD_IDE_RESET, 0);
@@ -96,13 +96,15 @@ static __devinit int palmld_pata_probe(struct platform_device *pdev)
         ata_sff_std_ports(&ap->ioaddr);
 
         /* activate host */
-        return ata_host_activate(host, 0, NULL, IRQF_TRIGGER_RISING,
+        ret = ata_host_activate(host, 0, NULL, IRQF_TRIGGER_RISING,
                                         &palmld_sht);
+        if (ret)
+                goto err2;
+
+        return ret;
 
-err3:
-        gpio_free(GPIO_NR_PALMLD_IDE_RESET);
 err2:
-        gpio_free(GPIO_NR_PALMLD_IDE_PWEN);
+        gpio_free_array(palmld_hdd_gpios, ARRAY_SIZE(palmld_hdd_gpios));
 err1:
         return ret;
 }
@@ -116,8 +118,7 @@ static __devexit int palmld_pata_remove(struct platform_device *dev)
         /* power down the HDD */
         gpio_set_value(GPIO_NR_PALMLD_IDE_PWEN, 0);
 
-        gpio_free(GPIO_NR_PALMLD_IDE_RESET);
-        gpio_free(GPIO_NR_PALMLD_IDE_PWEN);
+        gpio_free_array(palmld_hdd_gpios, ARRAY_SIZE(palmld_hdd_gpios));
 
         return 0;
 }
diff --git a/drivers/ata/pata_rb532_cf.c b/drivers/ata/pata_rb532_cf.c
index baeaf938d55b..1b9d10d9c5d9 100644
--- a/drivers/ata/pata_rb532_cf.c
+++ b/drivers/ata/pata_rb532_cf.c
@@ -60,10 +60,10 @@ static irqreturn_t rb532_pata_irq_handler(int irq, void *dev_instance)
         struct rb532_cf_info *info = ah->private_data;
 
         if (gpio_get_value(info->gpio_line)) {
-                set_irq_type(info->irq, IRQ_TYPE_LEVEL_LOW);
+                irq_set_irq_type(info->irq, IRQ_TYPE_LEVEL_LOW);
                 ata_sff_interrupt(info->irq, dev_instance);
         } else {
-                set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH);
+                irq_set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH);
         }
 
         return IRQ_HANDLED;
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 1f46f1cd9225..7beb0e25f1e1 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -980,7 +980,7 @@ int tpm_open(struct inode *inode, struct file *file)
                 return -EBUSY;
         }
 
-        chip->data_buffer = kmalloc(TPM_BUFSIZE * sizeof(u8), GFP_KERNEL);
+        chip->data_buffer = kzalloc(TPM_BUFSIZE, GFP_KERNEL);
         if (chip->data_buffer == NULL) {
                 clear_bit(0, &chip->is_open);
                 put_device(chip->dev);
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 0be30e978c85..31e71c4fc831 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -2679,7 +2679,7 @@ static int __init amd64_edac_init(void)
         mcis      = kzalloc(amd_nb_num() * sizeof(mcis[0]), GFP_KERNEL);
         ecc_stngs = kzalloc(amd_nb_num() * sizeof(ecc_stngs[0]), GFP_KERNEL);
         if (!(mcis && ecc_stngs))
-                goto err_ret;
+                goto err_free;
 
         msrs = msrs_alloc();
         if (!msrs)
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index d3743204a7e9..d3b295305542 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -416,7 +416,7 @@ config GPIO_JANZ_TTL
 
 config AB8500_GPIO
         bool "ST-Ericsson AB8500 Mixed Signal Circuit gpio functions"
-        depends on AB8500_CORE
+        depends on AB8500_CORE && BROKEN
         help
           Select this to enable the AB8500 IC GPIO driver
 endif
diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c
index f141a1de519c..89aa9fb743af 100644
--- a/drivers/hwmon/gpio-fan.c
+++ b/drivers/hwmon/gpio-fan.c
@@ -116,7 +116,7 @@ static int fan_alarm_init(struct gpio_fan_data *fan_data,
                 return 0;
 
         INIT_WORK(&fan_data->alarm_work, fan_alarm_notify);
-        set_irq_type(alarm_irq, IRQ_TYPE_EDGE_BOTH);
+        irq_set_irq_type(alarm_irq, IRQ_TYPE_EDGE_BOTH);
         err = request_irq(alarm_irq, fan_alarm_irq_handler, IRQF_SHARED,
                           "GPIO fan alarm", fan_data);
         if (err)
diff --git a/drivers/input/keyboard/lm8323.c b/drivers/input/keyboard/lm8323.c
index b732870ecc89..71f744a8e686 100644
--- a/drivers/input/keyboard/lm8323.c
+++ b/drivers/input/keyboard/lm8323.c
@@ -809,7 +809,7 @@ static int lm8323_suspend(struct device *dev)
         struct lm8323_chip *lm = i2c_get_clientdata(client);
         int i;
 
-        set_irq_wake(client->irq, 0);
+        irq_set_irq_wake(client->irq, 0);
         disable_irq(client->irq);
 
         mutex_lock(&lm->lock);
@@ -838,7 +838,7 @@ static int lm8323_resume(struct device *dev)
                         led_classdev_resume(&lm->pwm[i].cdev);
 
         enable_irq(client->irq);
-        set_irq_wake(client->irq, 1);
+        irq_set_irq_wake(client->irq, 1);
 
         return 0;
 }
diff --git a/drivers/input/serio/ams_delta_serio.c b/drivers/input/serio/ams_delta_serio.c
index ebe955325677..4b2a42f9f0bb 100644
--- a/drivers/input/serio/ams_delta_serio.c
+++ b/drivers/input/serio/ams_delta_serio.c
@@ -149,7 +149,7 @@ static int __init ams_delta_serio_init(void)
          * at FIQ level, switch back from edge to simple interrupt handler
          * to avoid bad interaction.
          */
-        set_irq_handler(gpio_to_irq(AMS_DELTA_GPIO_PIN_KEYBRD_CLK),
+        irq_set_handler(gpio_to_irq(AMS_DELTA_GPIO_PIN_KEYBRD_CLK),
                         handle_simple_irq);
 
         serio_register_port(ams_delta_serio);
diff --git a/drivers/input/touchscreen/mainstone-wm97xx.c b/drivers/input/touchscreen/mainstone-wm97xx.c
index b6b8b1c7ecea..3242e7076258 100644
--- a/drivers/input/touchscreen/mainstone-wm97xx.c
+++ b/drivers/input/touchscreen/mainstone-wm97xx.c
@@ -219,7 +219,7 @@ static int wm97xx_acc_startup(struct wm97xx *wm)
                 }
 
                 wm->pen_irq = gpio_to_irq(irq);
-                set_irq_type(wm->pen_irq, IRQ_TYPE_EDGE_BOTH);
+                irq_set_irq_type(wm->pen_irq, IRQ_TYPE_EDGE_BOTH);
         } else /* pen irq not supported */
                 pen_int = 0;
 
diff --git a/drivers/input/touchscreen/zylonite-wm97xx.c b/drivers/input/touchscreen/zylonite-wm97xx.c
index 048849867643..5b0f15ec874a 100644
--- a/drivers/input/touchscreen/zylonite-wm97xx.c
+++ b/drivers/input/touchscreen/zylonite-wm97xx.c
@@ -193,7 +193,7 @@ static int zylonite_wm97xx_probe(struct platform_device *pdev)
                 gpio_touch_irq = mfp_to_gpio(MFP_PIN_GPIO26);
 
         wm->pen_irq = IRQ_GPIO(gpio_touch_irq);
-        set_irq_type(IRQ_GPIO(gpio_touch_irq), IRQ_TYPE_EDGE_BOTH);
+        irq_set_irq_type(IRQ_GPIO(gpio_touch_irq), IRQ_TYPE_EDGE_BOTH);
 
         wm97xx_config_gpio(wm, WM97XX_GPIO_13, WM97XX_GPIO_IN,
                            WM97XX_GPIO_POL_HIGH,
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 9a46d64996a9..e2fea580585a 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -60,15 +60,6 @@ config MFD_ASIC3
           This driver supports the ASIC3 multifunction chip found on many
           PDAs (mainly iPAQ and HTC based ones)
 
-config MFD_SH_MOBILE_SDHI
-        bool "Support for SuperH Mobile SDHI"
-        depends on SUPERH || ARCH_SHMOBILE
-        select MFD_CORE
-        select TMIO_MMC_DMA
-         ---help---
-          This driver supports the SDHI hardware block found in many
-          SuperH Mobile SoCs.
-
 config MFD_DAVINCI_VOICECODEC
         tristate
         select MFD_CORE
@@ -266,11 +257,6 @@ config MFD_TMIO
         bool
         default n
 
-config TMIO_MMC_DMA
-        bool
-        select DMA_ENGINE
-        select DMADEVICES
-
 config MFD_T7L66XB
         bool "Support Toshiba T7L66XB"
         depends on ARM && HAVE_CLK
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index ef489f253402..419caa9d7dcf 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -6,7 +6,6 @@
 obj-$(CONFIG_MFD_88PM860X)      += 88pm860x.o
 obj-$(CONFIG_MFD_SM501)         += sm501.o
 obj-$(CONFIG_MFD_ASIC3)         += asic3.o tmio_core.o
-obj-$(CONFIG_MFD_SH_MOBILE_SDHI)                += sh_mobile_sdhi.o
 
 obj-$(CONFIG_HTC_EGPIO)         += htc-egpio.o
 obj-$(CONFIG_HTC_PASIC3)        += htc-pasic3.o
diff --git a/drivers/misc/sgi-gru/grufile.c b/drivers/misc/sgi-gru/grufile.c
index 28852dfa310d..20e4e9395b61 100644
--- a/drivers/misc/sgi-gru/grufile.c
+++ b/drivers/misc/sgi-gru/grufile.c
@@ -373,7 +373,7 @@ static int gru_chiplet_setup_tlb_irq(int chiplet, char *irq_name,
 
         if (gru_irq_count[chiplet] == 0) {
                 gru_chip[chiplet].name = irq_name;
-                ret = set_irq_chip(irq, &gru_chip[chiplet]);
+                ret = irq_set_chip(irq, &gru_chip[chiplet]);
                 if (ret) {
                         printk(KERN_ERR "%s: set_irq_chip failed, errno=%d\n",
                                GRU_DRIVER_ID_STR, -ret);
diff --git a/drivers/mmc/card/mmc_test.c b/drivers/mmc/card/mmc_test.c
index 5ec8eddfcf6e..f5cedeccad42 100644
--- a/drivers/mmc/card/mmc_test.c
+++ b/drivers/mmc/card/mmc_test.c
@@ -1875,7 +1875,7 @@ static int mmc_test_seq_perf(struct mmc_test_card *test, int write,
                              unsigned int tot_sz, int max_scatter)
 {
         unsigned int dev_addr, i, cnt, sz, ssz;
-        struct timespec ts1, ts2, ts;
+        struct timespec ts1, ts2;
         int ret;
 
         sz = test->area.max_tfr;
@@ -1912,7 +1912,6 @@ static int mmc_test_seq_perf(struct mmc_test_card *test, int write,
         }
         getnstimeofday(&ts2);
 
-        ts = timespec_sub(ts2, ts1);
         mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2);
 
         return 0;
diff --git a/drivers/mmc/core/sd_ops.c b/drivers/mmc/core/sd_ops.c
index 797cdb5887fd..76af349c14b4 100644
--- a/drivers/mmc/core/sd_ops.c
+++ b/drivers/mmc/core/sd_ops.c
@@ -9,6 +9,7 @@
  * your option) any later version.
  */
 
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/scatterlist.h>
 
@@ -252,6 +253,7 @@ int mmc_app_send_scr(struct mmc_card *card, u32 *scr)
         struct mmc_command cmd;
         struct mmc_data data;
         struct scatterlist sg;
+        void *data_buf;
 
         BUG_ON(!card);
         BUG_ON(!card->host);
@@ -263,6 +265,13 @@ int mmc_app_send_scr(struct mmc_card *card, u32 *scr)
         if (err)
                 return err;
 
+        /* dma onto stack is unsafe/nonportable, but callers to this
+         * routine normally provide temporary on-stack buffers ...
+         */
+        data_buf = kmalloc(sizeof(card->raw_scr), GFP_KERNEL);
+        if (data_buf == NULL)
+                return -ENOMEM;
+
         memset(&mrq, 0, sizeof(struct mmc_request));
         memset(&cmd, 0, sizeof(struct mmc_command));
         memset(&data, 0, sizeof(struct mmc_data));
@@ -280,12 +289,15 @@ int mmc_app_send_scr(struct mmc_card *card, u32 *scr)
         data.sg = &sg;
         data.sg_len = 1;
 
-        sg_init_one(&sg, scr, 8);
+        sg_init_one(&sg, data_buf, 8);
 
         mmc_set_data_timeout(&data, card);
 
         mmc_wait_for_req(card->host, &mrq);
 
+        memcpy(scr, data_buf, sizeof(card->raw_scr));
+        kfree(data_buf);
+
         if (cmd.error)
                 return cmd.error;
         if (data.error)
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 1a21c6427a19..94df40531c38 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -439,13 +439,25 @@ config MMC_SDRICOH_CS
           To compile this driver as a module, choose M here: the
           module will be called sdricoh_cs.
 
+config MMC_TMIO_CORE
+        tristate
+
 config MMC_TMIO
         tristate "Toshiba Mobile IO Controller (TMIO) MMC/SD function support"
-        depends on MFD_TMIO || MFD_ASIC3 || MFD_SH_MOBILE_SDHI
+        depends on MFD_TMIO || MFD_ASIC3
+        select MMC_TMIO_CORE
         help
           This provides support for the SD/MMC cell found in TC6393XB,
           T7L66XB and also HTC ASIC3
 
+config MMC_SDHI
+        tristate "SH-Mobile SDHI SD/SDIO controller support"
+        depends on SUPERH || ARCH_SHMOBILE
+        select MMC_TMIO_CORE
+        help
+          This provides support for the SDHI SD/SDIO controller found in
+          SuperH and ARM SH-Mobile SoCs
+
 config MMC_CB710
         tristate "ENE CB710 MMC/SD Interface support"
         depends on PCI
diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile
index 30aa6867745f..4f1df0aae574 100644
--- a/drivers/mmc/host/Makefile
+++ b/drivers/mmc/host/Makefile
@@ -29,7 +29,13 @@ endif
 obj-$(CONFIG_MMC_S3C)           += s3cmci.o
 obj-$(CONFIG_MMC_SDRICOH_CS)    += sdricoh_cs.o
 obj-$(CONFIG_MMC_TMIO)          += tmio_mmc.o
-obj-$(CONFIG_MMC_CB710) += cb710-mmc.o
+obj-$(CONFIG_MMC_TMIO_CORE)     += tmio_mmc_core.o
+tmio_mmc_core-y                 := tmio_mmc_pio.o
+ifneq ($(CONFIG_MMC_SDHI),n)
+tmio_mmc_core-y                 += tmio_mmc_dma.o
+endif
+obj-$(CONFIG_MMC_SDHI)          += sh_mobile_sdhi.o
+obj-$(CONFIG_MMC_CB710)         += cb710-mmc.o
 obj-$(CONFIG_MMC_VIA_SDMMC)     += via-sdmmc.o
 obj-$(CONFIG_SDH_BFIN)          += bfin_sdh.o
 obj-$(CONFIG_MMC_DW)            += dw_mmc.o
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 5a614069cb00..87e1f57ec9ba 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -316,7 +316,7 @@ static void dw_mci_idmac_stop_dma(struct dw_mci *host)
 
         /* Stop the IDMAC running */
         temp = mci_readl(host, BMOD);
-        temp &= ~SDMMC_IDMAC_ENABLE;
+        temp &= ~(SDMMC_IDMAC_ENABLE | SDMMC_IDMAC_FB);
         mci_writel(host, BMOD, temp);
 }
 
@@ -385,7 +385,7 @@ static void dw_mci_idmac_start_dma(struct dw_mci *host, unsigned int sg_len)
 
         /* Enable the IDMAC */
         temp = mci_readl(host, BMOD);
-        temp |= SDMMC_IDMAC_ENABLE;
+        temp |= SDMMC_IDMAC_ENABLE | SDMMC_IDMAC_FB;
         mci_writel(host, BMOD, temp);
 
         /* Start it running */
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 5bbb87d10251..b4a7e4fba90f 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -68,6 +68,12 @@ static struct variant_data variant_arm = {
         .datalength_bits        = 16,
 };
 
+static struct variant_data variant_arm_extended_fifo = {
+        .fifosize               = 128 * 4,
+        .fifohalfsize           = 64 * 4,
+        .datalength_bits        = 16,
+};
+
 static struct variant_data variant_u300 = {
         .fifosize               = 16 * 4,
         .fifohalfsize           = 8 * 4,
@@ -1277,10 +1283,15 @@ static int mmci_resume(struct amba_device *dev)
 static struct amba_id mmci_ids[] = {
         {
                 .id     = 0x00041180,
-                .mask   = 0x000fffff,
+                .mask   = 0xff0fffff,
                 .data   = &variant_arm,
         },
         {
+                .id     = 0x01041180,
+                .mask   = 0xff0fffff,
+                .data   = &variant_arm_extended_fifo,
+        },
+        {
                 .id     = 0x00041181,
                 .mask   = 0x000fffff,
                 .data   = &variant_arm,
diff --git a/drivers/mmc/host/of_mmc_spi.c b/drivers/mmc/host/of_mmc_spi.c
index 5530def54e5b..e2aecb7f1d5c 100644
--- a/drivers/mmc/host/of_mmc_spi.c
+++ b/drivers/mmc/host/of_mmc_spi.c
@@ -15,9 +15,11 @@
 #include <linux/module.h>
 #include <linux/device.h>
 #include <linux/slab.h>
+#include <linux/irq.h>
 #include <linux/gpio.h>
 #include <linux/of.h>
 #include <linux/of_gpio.h>
+#include <linux/of_irq.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/mmc_spi.h>
 #include <linux/mmc/core.h>
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 3b5248567973..a19967d0bfc4 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -16,14 +16,40 @@
 #include <linux/err.h>
 #include <linux/clk.h>
 #include <linux/gpio.h>
+#include <linux/slab.h>
 #include <linux/mmc/host.h>
 #include <linux/mmc/sdhci-pltfm.h>
+#include <linux/mmc/mmc.h>
+#include <linux/mmc/sdio.h>
 #include <mach/hardware.h>
 #include <mach/esdhc.h>
 #include "sdhci.h"
 #include "sdhci-pltfm.h"
 #include "sdhci-esdhc.h"
 
+/* VENDOR SPEC register */
+#define SDHCI_VENDOR_SPEC               0xC0
+#define  SDHCI_VENDOR_SPEC_SDIO_QUIRK   0x00000002
+
+#define ESDHC_FLAG_GPIO_FOR_CD_WP       (1 << 0)
+/*
+ * The CMDTYPE of the CMD register (offset 0xE) should be set to
+ * "11" when the STOP CMD12 is issued on imx53 to abort one
+ * open ended multi-blk IO. Otherwise the TC INT wouldn't
+ * be generated.
+ * In exact block transfer, the controller doesn't complete the
+ * operations automatically as required at the end of the
+ * transfer and remains on hold if the abort command is not sent.
+ * As a result, the TC flag is not asserted and SW  received timeout
+ * exeception. Bit1 of Vendor Spec registor is used to fix it.
+ */
+#define ESDHC_FLAG_MULTIBLK_NO_INT      (1 << 1)
+
+struct pltfm_imx_data {
+        int flags;
+        u32 scratchpad;
+};
+
 static inline void esdhc_clrset_le(struct sdhci_host *host, u32 mask, u32 val, int reg)
 {
         void __iomem *base = host->ioaddr + (reg & ~0x3);
@@ -34,10 +60,14 @@ static inline void esdhc_clrset_le(struct sdhci_host *host, u32 mask, u32 val, i
 
 static u32 esdhc_readl_le(struct sdhci_host *host, int reg)
 {
+        struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+        struct pltfm_imx_data *imx_data = pltfm_host->priv;
+
         /* fake CARD_PRESENT flag on mx25/35 */
         u32 val = readl(host->ioaddr + reg);
 
-        if (unlikely(reg == SDHCI_PRESENT_STATE)) {
+        if (unlikely((reg == SDHCI_PRESENT_STATE)
+                        && (imx_data->flags & ESDHC_FLAG_GPIO_FOR_CD_WP))) {
                 struct esdhc_platform_data *boarddata =
                                 host->mmc->parent->platform_data;
 
@@ -55,13 +85,26 @@ static u32 esdhc_readl_le(struct sdhci_host *host, int reg)
 
 static void esdhc_writel_le(struct sdhci_host *host, u32 val, int reg)
 {
-        if (unlikely(reg == SDHCI_INT_ENABLE || reg == SDHCI_SIGNAL_ENABLE))
+        struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+        struct pltfm_imx_data *imx_data = pltfm_host->priv;
+
+        if (unlikely((reg == SDHCI_INT_ENABLE || reg == SDHCI_SIGNAL_ENABLE)
+                        && (imx_data->flags & ESDHC_FLAG_GPIO_FOR_CD_WP)))
                 /*
                  * these interrupts won't work with a custom card_detect gpio
                  * (only applied to mx25/35)
                  */
                 val &= ~(SDHCI_INT_CARD_REMOVE | SDHCI_INT_CARD_INSERT);
 
+        if (unlikely((imx_data->flags & ESDHC_FLAG_MULTIBLK_NO_INT)
+                                && (reg == SDHCI_INT_STATUS)
+                                && (val & SDHCI_INT_DATA_END))) {
+                        u32 v;
+                        v = readl(host->ioaddr + SDHCI_VENDOR_SPEC);
+                        v &= ~SDHCI_VENDOR_SPEC_SDIO_QUIRK;
+                        writel(v, host->ioaddr + SDHCI_VENDOR_SPEC);
+        }
+
         writel(val, host->ioaddr + reg);
 }
 
@@ -76,6 +119,7 @@ static u16 esdhc_readw_le(struct sdhci_host *host, int reg)
 static void esdhc_writew_le(struct sdhci_host *host, u16 val, int reg)
 {
         struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+        struct pltfm_imx_data *imx_data = pltfm_host->priv;
 
         switch (reg) {
         case SDHCI_TRANSFER_MODE:
@@ -83,10 +127,22 @@ static void esdhc_writew_le(struct sdhci_host *host, u16 val, int reg)
                  * Postpone this write, we must do it together with a
                  * command write that is down below.
                  */
-                pltfm_host->scratchpad = val;
+                if ((imx_data->flags & ESDHC_FLAG_MULTIBLK_NO_INT)
+                                && (host->cmd->opcode == SD_IO_RW_EXTENDED)
+                                && (host->cmd->data->blocks > 1)
+                                && (host->cmd->data->flags & MMC_DATA_READ)) {
+                        u32 v;
+                        v = readl(host->ioaddr + SDHCI_VENDOR_SPEC);
+                        v |= SDHCI_VENDOR_SPEC_SDIO_QUIRK;
+                        writel(v, host->ioaddr + SDHCI_VENDOR_SPEC);
+                }
+                imx_data->scratchpad = val;
                 return;
         case SDHCI_COMMAND:
-                writel(val << 16 | pltfm_host->scratchpad,
+                if ((host->cmd->opcode == MMC_STOP_TRANSMISSION)
+                        && (imx_data->flags & ESDHC_FLAG_MULTIBLK_NO_INT))
+                        val |= SDHCI_CMD_ABORTCMD;
+                writel(val << 16 | imx_data->scratchpad,
                         host->ioaddr + SDHCI_TRANSFER_MODE);
                 return;
         case SDHCI_BLOCK_SIZE:
@@ -146,7 +202,9 @@ static unsigned int esdhc_pltfm_get_ro(struct sdhci_host *host)
 }
 
 static struct sdhci_ops sdhci_esdhc_ops = {
+        .read_l = esdhc_readl_le,
         .read_w = esdhc_readw_le,
+        .write_l = esdhc_writel_le,
         .write_w = esdhc_writew_le,
         .write_b = esdhc_writeb_le,
         .set_clock = esdhc_set_clock,
@@ -168,6 +226,7 @@ static int esdhc_pltfm_init(struct sdhci_host *host, struct sdhci_pltfm_data *pd
         struct esdhc_platform_data *boarddata = host->mmc->parent->platform_data;
         struct clk *clk;
         int err;
+        struct pltfm_imx_data *imx_data;
 
         clk = clk_get(mmc_dev(host->mmc), NULL);
         if (IS_ERR(clk)) {
@@ -177,7 +236,15 @@ static int esdhc_pltfm_init(struct sdhci_host *host, struct sdhci_pltfm_data *pd
         clk_enable(clk);
         pltfm_host->clk = clk;
 
-        if (cpu_is_mx35() || cpu_is_mx51())
+        imx_data = kzalloc(sizeof(struct pltfm_imx_data), GFP_KERNEL);
+        if (!imx_data) {
+                clk_disable(pltfm_host->clk);
+                clk_put(pltfm_host->clk);
+                return -ENOMEM;
+        }
+        pltfm_host->priv = imx_data;
+
+        if (!cpu_is_mx25())
                 host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
 
         if (cpu_is_mx25() || cpu_is_mx35()) {
@@ -187,6 +254,9 @@ static int esdhc_pltfm_init(struct sdhci_host *host, struct sdhci_pltfm_data *pd
                 sdhci_esdhc_ops.get_ro = esdhc_pltfm_get_ro;
         }
 
+        if (!(cpu_is_mx25() || cpu_is_mx35() || cpu_is_mx51()))
+                imx_data->flags |= ESDHC_FLAG_MULTIBLK_NO_INT;
+
         if (boarddata) {
                 err = gpio_request_one(boarddata->wp_gpio, GPIOF_IN, "ESDHC_WP");
                 if (err) {
@@ -214,8 +284,7 @@ static int esdhc_pltfm_init(struct sdhci_host *host, struct sdhci_pltfm_data *pd
                         goto no_card_detect_irq;
                 }
 
-                sdhci_esdhc_ops.write_l = esdhc_writel_le;
-                sdhci_esdhc_ops.read_l = esdhc_readl_le;
+                imx_data->flags |= ESDHC_FLAG_GPIO_FOR_CD_WP;
                 /* Now we have a working card_detect again */
                 host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION;
         }
@@ -227,6 +296,7 @@ static int esdhc_pltfm_init(struct sdhci_host *host, struct sdhci_pltfm_data *pd
  no_card_detect_pin:
         boarddata->cd_gpio = err;
  not_supported:
+        kfree(imx_data);
         return 0;
 }
 
@@ -234,6 +304,7 @@ static void esdhc_pltfm_exit(struct sdhci_host *host)
 {
         struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
         struct esdhc_platform_data *boarddata = host->mmc->parent->platform_data;
+        struct pltfm_imx_data *imx_data = pltfm_host->priv;
 
         if (boarddata && gpio_is_valid(boarddata->wp_gpio))
                 gpio_free(boarddata->wp_gpio);
@@ -247,6 +318,7 @@ static void esdhc_pltfm_exit(struct sdhci_host *host)
 
         clk_disable(pltfm_host->clk);
         clk_put(pltfm_host->clk);
+        kfree(imx_data);
 }
 
 struct sdhci_pltfm_data sdhci_esdhc_imx_pdata = {
diff --git a/drivers/mmc/host/sdhci-esdhc.h b/drivers/mmc/host/sdhci-esdhc.h
index c55aae828aac..c3b08f111942 100644
--- a/drivers/mmc/host/sdhci-esdhc.h
+++ b/drivers/mmc/host/sdhci-esdhc.h
@@ -23,8 +23,7 @@
                                 SDHCI_QUIRK_NONSTANDARD_CLOCK | \
                                 SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | \
                                 SDHCI_QUIRK_PIO_NEEDS_DELAY | \
-                                SDHCI_QUIRK_RESTORE_IRQS_AFTER_RESET | \
-                                SDHCI_QUIRK_NO_CARD_NO_RESET)
+                                SDHCI_QUIRK_RESTORE_IRQS_AFTER_RESET)
 
 #define ESDHC_SYSTEM_CONTROL    0x2c
 #define ESDHC_CLOCK_MASK        0x0000fff0
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
index 08161f690ae8..ba40d6d035c7 100644
--- a/drivers/mmc/host/sdhci-of-esdhc.c
+++ b/drivers/mmc/host/sdhci-of-esdhc.c
@@ -74,7 +74,8 @@ static unsigned int esdhc_of_get_min_clock(struct sdhci_host *host)
 
 struct sdhci_of_data sdhci_esdhc = {
         /* card detection could be handled via GPIO */
-        .quirks = ESDHC_DEFAULT_QUIRKS | SDHCI_QUIRK_BROKEN_CARD_DETECTION,
+        .quirks = ESDHC_DEFAULT_QUIRKS | SDHCI_QUIRK_BROKEN_CARD_DETECTION
+                | SDHCI_QUIRK_NO_CARD_NO_RESET,
         .ops = {
                 .read_l = sdhci_be32bs_readl,
                 .read_w = esdhc_readw,
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index 2f8d46854acd..a136be706347 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -1016,16 +1016,14 @@ static int __devinit sdhci_pci_probe(struct pci_dev *pdev,
         struct sdhci_pci_chip *chip;
         struct sdhci_pci_slot *slot;
 
-        u8 slots, rev, first_bar;
+        u8 slots, first_bar;
         int ret, i;
 
         BUG_ON(pdev == NULL);
         BUG_ON(ent == NULL);
 
-        pci_read_config_byte(pdev, PCI_CLASS_REVISION, &rev);
-
         dev_info(&pdev->dev, "SDHCI controller found [%04x:%04x] (rev %x)\n",
-                 (int)pdev->vendor, (int)pdev->device, (int)rev);
+                 (int)pdev->vendor, (int)pdev->device, (int)pdev->revision);
 
         ret = pci_read_config_byte(pdev, PCI_SLOT_INFO, &slots);
         if (ret)
diff --git a/drivers/mmc/host/sdhci-pltfm.h b/drivers/mmc/host/sdhci-pltfm.h
index ea2e44d9be5e..2b37016ad0ac 100644
--- a/drivers/mmc/host/sdhci-pltfm.h
+++ b/drivers/mmc/host/sdhci-pltfm.h
@@ -17,7 +17,7 @@
 
 struct sdhci_pltfm_host {
         struct clk *clk;
-        u32 scratchpad; /* to handle quirks across io-accessor calls */
+        void *priv; /* to handle quirks across io-accessor calls */
 };
 
 extern struct sdhci_pltfm_data sdhci_cns3xxx_pdata;
diff --git a/drivers/mmc/host/sdhci-spear.c b/drivers/mmc/host/sdhci-spear.c
index d70c54c7b70a..60a4c97d3d18 100644
--- a/drivers/mmc/host/sdhci-spear.c
+++ b/drivers/mmc/host/sdhci-spear.c
@@ -50,7 +50,7 @@ static irqreturn_t sdhci_gpio_irq(int irq, void *dev_id)
         /* val == 1 -> card removed, val == 0 -> card inserted */
         /* if card removed - set irq for low level, else vice versa */
         gpio_irq_type = val ? IRQF_TRIGGER_LOW : IRQF_TRIGGER_HIGH;
-        set_irq_type(irq, gpio_irq_type);
+        irq_set_irq_type(irq, gpio_irq_type);
 
         if (sdhci->data->card_power_gpio >= 0) {
                 if (!sdhci->data->power_always_enb) {
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 6e0969e40650..25e8bde600d1 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -45,6 +45,7 @@
 #define  SDHCI_CMD_CRC          0x08
 #define  SDHCI_CMD_INDEX        0x10
 #define  SDHCI_CMD_DATA         0x20
+#define  SDHCI_CMD_ABORTCMD     0xC0
 
 #define  SDHCI_CMD_RESP_NONE    0x00
 #define  SDHCI_CMD_RESP_LONG    0x01
diff --git a/drivers/mfd/sh_mobile_sdhi.c b/drivers/mmc/host/sh_mobile_sdhi.c
index 53a63024bf11..cc701236d16f 100644
--- a/drivers/mfd/sh_mobile_sdhi.c
+++ b/drivers/mmc/host/sh_mobile_sdhi.c
@@ -23,51 +23,30 @@
 #include <linux/slab.h>
 #include <linux/platform_device.h>
 #include <linux/mmc/host.h>
-#include <linux/mfd/core.h>
+#include <linux/mmc/sh_mobile_sdhi.h>
 #include <linux/mfd/tmio.h>
-#include <linux/mfd/sh_mobile_sdhi.h>
 #include <linux/sh_dma.h>
 
+#include "tmio_mmc.h"
+
 struct sh_mobile_sdhi {
         struct clk *clk;
         struct tmio_mmc_data mmc_data;
-        struct mfd_cell cell_mmc;
         struct sh_dmae_slave param_tx;
         struct sh_dmae_slave param_rx;
         struct tmio_mmc_dma dma_priv;
 };
 
-static struct resource sh_mobile_sdhi_resources[] = {
-        {
-                .start = 0x000,
-                .end   = 0x1ff,
-                .flags = IORESOURCE_MEM,
-        },
-        {
-                .start = 0,
-                .end   = 0,
-                .flags = IORESOURCE_IRQ,
-        },
-};
-
-static struct mfd_cell sh_mobile_sdhi_cell = {
-        .name          = "tmio-mmc",
-        .num_resources = ARRAY_SIZE(sh_mobile_sdhi_resources),
-        .resources     = sh_mobile_sdhi_resources,
-};
-
-static void sh_mobile_sdhi_set_pwr(struct platform_device *tmio, int state)
+static void sh_mobile_sdhi_set_pwr(struct platform_device *pdev, int state)
 {
-        struct platform_device *pdev = to_platform_device(tmio->dev.parent);
         struct sh_mobile_sdhi_info *p = pdev->dev.platform_data;
 
         if (p && p->set_pwr)
                 p->set_pwr(pdev, state);
 }
 
-static int sh_mobile_sdhi_get_cd(struct platform_device *tmio)
+static int sh_mobile_sdhi_get_cd(struct platform_device *pdev)
 {
-        struct platform_device *pdev = to_platform_device(tmio->dev.parent);
         struct sh_mobile_sdhi_info *p = pdev->dev.platform_data;
 
         if (p && p->get_cd)
@@ -81,20 +60,9 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev)
         struct sh_mobile_sdhi *priv;
         struct tmio_mmc_data *mmc_data;
         struct sh_mobile_sdhi_info *p = pdev->dev.platform_data;
-        struct resource *mem;
+        struct tmio_mmc_host *host;
         char clk_name[8];
-        int ret, irq;
-
-        mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        if (!mem)
-                dev_err(&pdev->dev, "missing MEM resource\n");
-
-        irq = platform_get_irq(pdev, 0);
-        if (irq < 0)
-                dev_err(&pdev->dev, "missing IRQ resource\n");
-
-        if (!mem || (irq < 0))
-                return -EINVAL;
+        int ret;
 
         priv = kzalloc(sizeof(struct sh_mobile_sdhi), GFP_KERNEL);
         if (priv == NULL) {
@@ -109,8 +77,7 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev)
         if (IS_ERR(priv->clk)) {
                 dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name);
                 ret = PTR_ERR(priv->clk);
-                kfree(priv);
-                return ret;
+                goto eclkget;
         }
 
         clk_enable(priv->clk);
@@ -123,6 +90,15 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev)
                 mmc_data->flags = p->tmio_flags;
                 mmc_data->ocr_mask = p->tmio_ocr_mask;
                 mmc_data->capabilities |= p->tmio_caps;
+
+                if (p->dma_slave_tx >= 0 && p->dma_slave_rx >= 0) {
+                        priv->param_tx.slave_id = p->dma_slave_tx;
+                        priv->param_rx.slave_id = p->dma_slave_rx;
+                        priv->dma_priv.chan_priv_tx = &priv->param_tx;
+                        priv->dma_priv.chan_priv_rx = &priv->param_rx;
+                        priv->dma_priv.alignment_shift = 1; /* 2-byte alignment */
+                        mmc_data->dma = &priv->dma_priv;
+                }
         }
 
         /*
@@ -136,36 +112,30 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev)
          */
         mmc_data->flags |= TMIO_MMC_SDIO_IRQ;
 
-        if (p && p->dma_slave_tx >= 0 && p->dma_slave_rx >= 0) {
-                priv->param_tx.slave_id = p->dma_slave_tx;
-                priv->param_rx.slave_id = p->dma_slave_rx;
-                priv->dma_priv.chan_priv_tx = &priv->param_tx;
-                priv->dma_priv.chan_priv_rx = &priv->param_rx;
-                priv->dma_priv.alignment_shift = 1; /* 2-byte alignment */
-                mmc_data->dma = &priv->dma_priv;
-        }
+        ret = tmio_mmc_host_probe(&host, pdev, mmc_data);
+        if (ret < 0)
+                goto eprobe;
 
-        memcpy(&priv->cell_mmc, &sh_mobile_sdhi_cell, sizeof(priv->cell_mmc));
-        priv->cell_mmc.mfd_data = mmc_data;
+        pr_info("%s at 0x%08lx irq %d\n", mmc_hostname(host->mmc),
+                (unsigned long)host->ctl, host->irq);
 
-        platform_set_drvdata(pdev, priv);
-
-        ret = mfd_add_devices(&pdev->dev, pdev->id,
-                              &priv->cell_mmc, 1, mem, irq);
-        if (ret) {
-                clk_disable(priv->clk);
-                clk_put(priv->clk);
-                kfree(priv);
-        }
+        return ret;
 
+eprobe:
+        clk_disable(priv->clk);
+        clk_put(priv->clk);
+eclkget:
+        kfree(priv);
         return ret;
 }
 
 static int sh_mobile_sdhi_remove(struct platform_device *pdev)
 {
-        struct sh_mobile_sdhi *priv = platform_get_drvdata(pdev);
+        struct mmc_host *mmc = platform_get_drvdata(pdev);
+        struct tmio_mmc_host *host = mmc_priv(mmc);
+        struct sh_mobile_sdhi *priv = container_of(host->pdata, struct sh_mobile_sdhi, mmc_data);
 
-        mfd_remove_devices(&pdev->dev);
+        tmio_mmc_host_remove(host);
         clk_disable(priv->clk);
         clk_put(priv->clk);
         kfree(priv);
@@ -198,3 +168,4 @@ module_exit(sh_mobile_sdhi_exit);
 MODULE_DESCRIPTION("SuperH Mobile SDHI driver");
 MODULE_AUTHOR("Magnus Damm");
 MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:sh_mobile_sdhi");
diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c
index ab1adeabdd22..79c568461d59 100644
--- a/drivers/mmc/host/tmio_mmc.c
+++ b/drivers/mmc/host/tmio_mmc.c
@@ -1,8 +1,8 @@
 /*
- *  linux/drivers/mmc/tmio_mmc.c
+ * linux/drivers/mmc/host/tmio_mmc.c
  *
- *  Copyright (C) 2004 Ian Molton
- *  Copyright (C) 2007 Ian Molton
+ * Copyright (C) 2007 Ian Molton
+ * Copyright (C) 2004 Ian Molton
  *
  * 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
@@ -11,1182 +11,17 @@
  * Driver for the MMC / SD / SDIO cell found in:
  *
  * TC6393XB TC6391XB TC6387XB T7L66XB ASIC3
- *
- * This driver draws mainly on scattered spec sheets, Reverse engineering
- * of the toshiba e800  SD driver and some parts of the 2.4 ASIC3 driver (4 bit
- * support). (Further 4 bit support from a later datasheet).
- *
- * TODO:
- *   Investigate using a workqueue for PIO transfers
- *   Eliminate FIXMEs
- *   SDIO support
- *   Better Power management
- *   Handle MMC errors better
- *   double buffer support
- *
  */
 
-#include <linux/delay.h>
 #include <linux/device.h>
-#include <linux/dmaengine.h>
-#include <linux/highmem.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <linux/irq.h>
 #include <linux/mfd/core.h>
 #include <linux/mfd/tmio.h>
 #include <linux/mmc/host.h>
 #include <linux/module.h>
 #include <linux/pagemap.h>
 #include <linux/scatterlist.h>
-#include <linux/workqueue.h>
-#include <linux/spinlock.h>
-
-#define CTL_SD_CMD 0x00
-#define CTL_ARG_REG 0x04
-#define CTL_STOP_INTERNAL_ACTION 0x08
-#define CTL_XFER_BLK_COUNT 0xa
-#define CTL_RESPONSE 0x0c
-#define CTL_STATUS 0x1c
-#define CTL_IRQ_MASK 0x20
-#define CTL_SD_CARD_CLK_CTL 0x24
-#define CTL_SD_XFER_LEN 0x26
-#define CTL_SD_MEM_CARD_OPT 0x28
-#define CTL_SD_ERROR_DETAIL_STATUS 0x2c
-#define CTL_SD_DATA_PORT 0x30
-#define CTL_TRANSACTION_CTL 0x34
-#define CTL_SDIO_STATUS 0x36
-#define CTL_SDIO_IRQ_MASK 0x38
-#define CTL_RESET_SD 0xe0
-#define CTL_SDIO_REGS 0x100
-#define CTL_CLK_AND_WAIT_CTL 0x138
-#define CTL_RESET_SDIO 0x1e0
-
-/* Definitions for values the CTRL_STATUS register can take. */
-#define TMIO_STAT_CMDRESPEND    0x00000001
-#define TMIO_STAT_DATAEND       0x00000004
-#define TMIO_STAT_CARD_REMOVE   0x00000008
-#define TMIO_STAT_CARD_INSERT   0x00000010
-#define TMIO_STAT_SIGSTATE      0x00000020
-#define TMIO_STAT_WRPROTECT     0x00000080
-#define TMIO_STAT_CARD_REMOVE_A 0x00000100
-#define TMIO_STAT_CARD_INSERT_A 0x00000200
-#define TMIO_STAT_SIGSTATE_A    0x00000400
-#define TMIO_STAT_CMD_IDX_ERR   0x00010000
-#define TMIO_STAT_CRCFAIL       0x00020000
-#define TMIO_STAT_STOPBIT_ERR   0x00040000
-#define TMIO_STAT_DATATIMEOUT   0x00080000
-#define TMIO_STAT_RXOVERFLOW    0x00100000
-#define TMIO_STAT_TXUNDERRUN    0x00200000
-#define TMIO_STAT_CMDTIMEOUT    0x00400000
-#define TMIO_STAT_RXRDY         0x01000000
-#define TMIO_STAT_TXRQ          0x02000000
-#define TMIO_STAT_ILL_FUNC      0x20000000
-#define TMIO_STAT_CMD_BUSY      0x40000000
-#define TMIO_STAT_ILL_ACCESS    0x80000000
-
-/* Definitions for values the CTRL_SDIO_STATUS register can take. */
-#define TMIO_SDIO_STAT_IOIRQ    0x0001
-#define TMIO_SDIO_STAT_EXPUB52  0x4000
-#define TMIO_SDIO_STAT_EXWT     0x8000
-#define TMIO_SDIO_MASK_ALL      0xc007
-
-/* Define some IRQ masks */
-/* This is the mask used at reset by the chip */
-#define TMIO_MASK_ALL           0x837f031d
-#define TMIO_MASK_READOP  (TMIO_STAT_RXRDY | TMIO_STAT_DATAEND)
-#define TMIO_MASK_WRITEOP (TMIO_STAT_TXRQ | TMIO_STAT_DATAEND)
-#define TMIO_MASK_CMD     (TMIO_STAT_CMDRESPEND | TMIO_STAT_CMDTIMEOUT | \
-                TMIO_STAT_CARD_REMOVE | TMIO_STAT_CARD_INSERT)
-#define TMIO_MASK_IRQ     (TMIO_MASK_READOP | TMIO_MASK_WRITEOP | TMIO_MASK_CMD)
-
-#define enable_mmc_irqs(host, i) \
-        do { \
-                u32 mask;\
-                mask  = sd_ctrl_read32((host), CTL_IRQ_MASK); \
-                mask &= ~((i) & TMIO_MASK_IRQ); \
-                sd_ctrl_write32((host), CTL_IRQ_MASK, mask); \
-        } while (0)
-
-#define disable_mmc_irqs(host, i) \
-        do { \
-                u32 mask;\
-                mask  = sd_ctrl_read32((host), CTL_IRQ_MASK); \
-                mask |= ((i) & TMIO_MASK_IRQ); \
-                sd_ctrl_write32((host), CTL_IRQ_MASK, mask); \
-        } while (0)
-
-#define ack_mmc_irqs(host, i) \
-        do { \
-                sd_ctrl_write32((host), CTL_STATUS, ~(i)); \
-        } while (0)
-
-/* This is arbitrary, just noone needed any higher alignment yet */
-#define MAX_ALIGN 4
-
-struct tmio_mmc_host {
-        void __iomem *ctl;
-        unsigned long bus_shift;
-        struct mmc_command      *cmd;
-        struct mmc_request      *mrq;
-        struct mmc_data         *data;
-        struct mmc_host         *mmc;
-        int                     irq;
-        unsigned int            sdio_irq_enabled;
-
-        /* Callbacks for clock / power control */
-        void (*set_pwr)(struct platform_device *host, int state);
-        void (*set_clk_div)(struct platform_device *host, int state);
-
-        /* pio related stuff */
-        struct scatterlist      *sg_ptr;
-        struct scatterlist      *sg_orig;
-        unsigned int            sg_len;
-        unsigned int            sg_off;
-
-        struct platform_device *pdev;
-
-        /* DMA support */
-        struct dma_chan         *chan_rx;
-        struct dma_chan         *chan_tx;
-        struct tasklet_struct   dma_complete;
-        struct tasklet_struct   dma_issue;
-#ifdef CONFIG_TMIO_MMC_DMA
-        u8                      bounce_buf[PAGE_CACHE_SIZE] __attribute__((aligned(MAX_ALIGN)));
-        struct scatterlist      bounce_sg;
-#endif
-
-        /* Track lost interrupts */
-        struct delayed_work     delayed_reset_work;
-        spinlock_t              lock;
-        unsigned long           last_req_ts;
-};
-
-static void tmio_check_bounce_buffer(struct tmio_mmc_host *host);
-
-static u16 sd_ctrl_read16(struct tmio_mmc_host *host, int addr)
-{
-        return readw(host->ctl + (addr << host->bus_shift));
-}
-
-static void sd_ctrl_read16_rep(struct tmio_mmc_host *host, int addr,
-                u16 *buf, int count)
-{
-        readsw(host->ctl + (addr << host->bus_shift), buf, count);
-}
-
-static u32 sd_ctrl_read32(struct tmio_mmc_host *host, int addr)
-{
-        return readw(host->ctl + (addr << host->bus_shift)) |
-               readw(host->ctl + ((addr + 2) << host->bus_shift)) << 16;
-}
-
-static void sd_ctrl_write16(struct tmio_mmc_host *host, int addr, u16 val)
-{
-        writew(val, host->ctl + (addr << host->bus_shift));
-}
-
-static void sd_ctrl_write16_rep(struct tmio_mmc_host *host, int addr,
-                u16 *buf, int count)
-{
-        writesw(host->ctl + (addr << host->bus_shift), buf, count);
-}
-
-static void sd_ctrl_write32(struct tmio_mmc_host *host, int addr, u32 val)
-{
-        writew(val, host->ctl + (addr << host->bus_shift));
-        writew(val >> 16, host->ctl + ((addr + 2) << host->bus_shift));
-}
-
-static void tmio_mmc_init_sg(struct tmio_mmc_host *host, struct mmc_data *data)
-{
-        host->sg_len = data->sg_len;
-        host->sg_ptr = data->sg;
-        host->sg_orig = data->sg;
-        host->sg_off = 0;
-}
-
-static int tmio_mmc_next_sg(struct tmio_mmc_host *host)
-{
-        host->sg_ptr = sg_next(host->sg_ptr);
-        host->sg_off = 0;
-        return --host->sg_len;
-}
-
-static char *tmio_mmc_kmap_atomic(struct scatterlist *sg, unsigned long *flags)
-{
-        local_irq_save(*flags);
-        return kmap_atomic(sg_page(sg), KM_BIO_SRC_IRQ) + sg->offset;
-}
-
-static void tmio_mmc_kunmap_atomic(struct scatterlist *sg, unsigned long *flags, void *virt)
-{
-        kunmap_atomic(virt - sg->offset, KM_BIO_SRC_IRQ);
-        local_irq_restore(*flags);
-}
-
-#ifdef CONFIG_MMC_DEBUG
-
-#define STATUS_TO_TEXT(a, status, i) \
-        do { \
-                if (status & TMIO_STAT_##a) { \
-                        if (i++) \
-                                printk(" | "); \
-                        printk(#a); \
-                } \
-        } while (0)
-
-void pr_debug_status(u32 status)
-{
-        int i = 0;
-        printk(KERN_DEBUG "status: %08x = ", status);
-        STATUS_TO_TEXT(CARD_REMOVE, status, i);
-        STATUS_TO_TEXT(CARD_INSERT, status, i);
-        STATUS_TO_TEXT(SIGSTATE, status, i);
-        STATUS_TO_TEXT(WRPROTECT, status, i);
-        STATUS_TO_TEXT(CARD_REMOVE_A, status, i);
-        STATUS_TO_TEXT(CARD_INSERT_A, status, i);
-        STATUS_TO_TEXT(SIGSTATE_A, status, i);
-        STATUS_TO_TEXT(CMD_IDX_ERR, status, i);
-        STATUS_TO_TEXT(STOPBIT_ERR, status, i);
-        STATUS_TO_TEXT(ILL_FUNC, status, i);
-        STATUS_TO_TEXT(CMD_BUSY, status, i);
-        STATUS_TO_TEXT(CMDRESPEND, status, i);
-        STATUS_TO_TEXT(DATAEND, status, i);
-        STATUS_TO_TEXT(CRCFAIL, status, i);
-        STATUS_TO_TEXT(DATATIMEOUT, status, i);
-        STATUS_TO_TEXT(CMDTIMEOUT, status, i);
-        STATUS_TO_TEXT(RXOVERFLOW, status, i);
-        STATUS_TO_TEXT(TXUNDERRUN, status, i);
-        STATUS_TO_TEXT(RXRDY, status, i);
-        STATUS_TO_TEXT(TXRQ, status, i);
-        STATUS_TO_TEXT(ILL_ACCESS, status, i);
-        printk("\n");
-}
-
-#else
-#define pr_debug_status(s)  do { } while (0)
-#endif
-
-static void tmio_mmc_enable_sdio_irq(struct mmc_host *mmc, int enable)
-{
-        struct tmio_mmc_host *host = mmc_priv(mmc);
-
-        if (enable) {
-                host->sdio_irq_enabled = 1;
-                sd_ctrl_write16(host, CTL_TRANSACTION_CTL, 0x0001);
-                sd_ctrl_write16(host, CTL_SDIO_IRQ_MASK,
-                        (TMIO_SDIO_MASK_ALL & ~TMIO_SDIO_STAT_IOIRQ));
-        } else {
-                sd_ctrl_write16(host, CTL_SDIO_IRQ_MASK, TMIO_SDIO_MASK_ALL);
-                sd_ctrl_write16(host, CTL_TRANSACTION_CTL, 0x0000);
-                host->sdio_irq_enabled = 0;
-        }
-}
-
-static void tmio_mmc_set_clock(struct tmio_mmc_host *host, int new_clock)
-{
-        u32 clk = 0, clock;
-
-        if (new_clock) {
-                for (clock = host->mmc->f_min, clk = 0x80000080;
-                        new_clock >= (clock<<1); clk >>= 1)
-                        clock <<= 1;
-                clk |= 0x100;
-        }
-
-        if (host->set_clk_div)
-                host->set_clk_div(host->pdev, (clk>>22) & 1);
-
-        sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, clk & 0x1ff);
-}
-
-static void tmio_mmc_clk_stop(struct tmio_mmc_host *host)
-{
-        struct tmio_mmc_data *pdata = mfd_get_data(host->pdev);
-
-        /*
-         * Testing on sh-mobile showed that SDIO IRQs are unmasked when
-         * CTL_CLK_AND_WAIT_CTL gets written, so we have to disable the
-         * device IRQ here and restore the SDIO IRQ mask before
-         * re-enabling the device IRQ.
-         */
-        if (pdata->flags & TMIO_MMC_SDIO_IRQ)
-                disable_irq(host->irq);
-        sd_ctrl_write16(host, CTL_CLK_AND_WAIT_CTL, 0x0000);
-        msleep(10);
-        if (pdata->flags & TMIO_MMC_SDIO_IRQ) {
-                tmio_mmc_enable_sdio_irq(host->mmc, host->sdio_irq_enabled);
-                enable_irq(host->irq);
-        }
-        sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, ~0x0100 &
-                sd_ctrl_read16(host, CTL_SD_CARD_CLK_CTL));
-        msleep(10);
-}
-
-static void tmio_mmc_clk_start(struct tmio_mmc_host *host)
-{
-        struct tmio_mmc_data *pdata = mfd_get_data(host->pdev);
-
-        sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, 0x0100 |
-                sd_ctrl_read16(host, CTL_SD_CARD_CLK_CTL));
-        msleep(10);
-        /* see comment in tmio_mmc_clk_stop above */
-        if (pdata->flags & TMIO_MMC_SDIO_IRQ)
-                disable_irq(host->irq);
-        sd_ctrl_write16(host, CTL_CLK_AND_WAIT_CTL, 0x0100);
-        msleep(10);
-        if (pdata->flags & TMIO_MMC_SDIO_IRQ) {
-                tmio_mmc_enable_sdio_irq(host->mmc, host->sdio_irq_enabled);
-                enable_irq(host->irq);
-        }
-}
-
-static void reset(struct tmio_mmc_host *host)
-{
-        /* FIXME - should we set stop clock reg here */
-        sd_ctrl_write16(host, CTL_RESET_SD, 0x0000);
-        sd_ctrl_write16(host, CTL_RESET_SDIO, 0x0000);
-        msleep(10);
-        sd_ctrl_write16(host, CTL_RESET_SD, 0x0001);
-        sd_ctrl_write16(host, CTL_RESET_SDIO, 0x0001);
-        msleep(10);
-}
-
-static void tmio_mmc_reset_work(struct work_struct *work)
-{
-        struct tmio_mmc_host *host = container_of(work, struct tmio_mmc_host,
-                                                  delayed_reset_work.work);
-        struct mmc_request *mrq;
-        unsigned long flags;
-
-        spin_lock_irqsave(&host->lock, flags);
-        mrq = host->mrq;
-
-        /* request already finished */
-        if (!mrq
-            || time_is_after_jiffies(host->last_req_ts +
-                msecs_to_jiffies(2000))) {
-                spin_unlock_irqrestore(&host->lock, flags);
-                return;
-        }
-
-        dev_warn(&host->pdev->dev,
-                "timeout waiting for hardware interrupt (CMD%u)\n",
-                mrq->cmd->opcode);
-
-        if (host->data)
-                host->data->error = -ETIMEDOUT;
-        else if (host->cmd)
-                host->cmd->error = -ETIMEDOUT;
-        else
-                mrq->cmd->error = -ETIMEDOUT;
-
-        host->cmd = NULL;
-        host->data = NULL;
-        host->mrq = NULL;
-
-        spin_unlock_irqrestore(&host->lock, flags);
-
-        reset(host);
-
-        mmc_request_done(host->mmc, mrq);
-}
-
-static void
-tmio_mmc_finish_request(struct tmio_mmc_host *host)
-{
-        struct mmc_request *mrq = host->mrq;
-
-        if (!mrq)
-                return;
-
-        host->mrq = NULL;
-        host->cmd = NULL;
-        host->data = NULL;
-
-        cancel_delayed_work(&host->delayed_reset_work);
-
-        mmc_request_done(host->mmc, mrq);
-}
-
-/* These are the bitmasks the tmio chip requires to implement the MMC response
- * types. Note that R1 and R6 are the same in this scheme. */
-#define APP_CMD        0x0040
-#define RESP_NONE      0x0300
-#define RESP_R1        0x0400
-#define RESP_R1B       0x0500
-#define RESP_R2        0x0600
-#define RESP_R3        0x0700
-#define DATA_PRESENT   0x0800
-#define TRANSFER_READ  0x1000
-#define TRANSFER_MULTI 0x2000
-#define SECURITY_CMD   0x4000
-
-static int
-tmio_mmc_start_command(struct tmio_mmc_host *host, struct mmc_command *cmd)
-{
-        struct mmc_data *data = host->data;
-        int c = cmd->opcode;
-
-        /* Command 12 is handled by hardware */
-        if (cmd->opcode == 12 && !cmd->arg) {
-                sd_ctrl_write16(host, CTL_STOP_INTERNAL_ACTION, 0x001);
-                return 0;
-        }
-
-        switch (mmc_resp_type(cmd)) {
-        case MMC_RSP_NONE: c |= RESP_NONE; break;
-        case MMC_RSP_R1:   c |= RESP_R1;   break;
-        case MMC_RSP_R1B:  c |= RESP_R1B;  break;
-        case MMC_RSP_R2:   c |= RESP_R2;   break;
-        case MMC_RSP_R3:   c |= RESP_R3;   break;
-        default:
-                pr_debug("Unknown response type %d\n", mmc_resp_type(cmd));
-                return -EINVAL;
-        }
-
-        host->cmd = cmd;
-
-/* FIXME - this seems to be ok commented out but the spec suggest this bit
- *         should be set when issuing app commands.
- *      if(cmd->flags & MMC_FLAG_ACMD)
- *              c |= APP_CMD;
- */
-        if (data) {
-                c |= DATA_PRESENT;
-                if (data->blocks > 1) {
-                        sd_ctrl_write16(host, CTL_STOP_INTERNAL_ACTION, 0x100);
-                        c |= TRANSFER_MULTI;
-                }
-                if (data->flags & MMC_DATA_READ)
-                        c |= TRANSFER_READ;
-        }
-
-        enable_mmc_irqs(host, TMIO_MASK_CMD);
-
-        /* Fire off the command */
-        sd_ctrl_write32(host, CTL_ARG_REG, cmd->arg);
-        sd_ctrl_write16(host, CTL_SD_CMD, c);
-
-        return 0;
-}
-
-/*
- * This chip always returns (at least?) as much data as you ask for.
- * I'm unsure what happens if you ask for less than a block. This should be
- * looked into to ensure that a funny length read doesnt hose the controller.
- */
-static void tmio_mmc_pio_irq(struct tmio_mmc_host *host)
-{
-        struct mmc_data *data = host->data;
-        void *sg_virt;
-        unsigned short *buf;
-        unsigned int count;
-        unsigned long flags;
-
-        if (!data) {
-                pr_debug("Spurious PIO IRQ\n");
-                return;
-        }
-
-        sg_virt = tmio_mmc_kmap_atomic(host->sg_ptr, &flags);
-        buf = (unsigned short *)(sg_virt + host->sg_off);
-
-        count = host->sg_ptr->length - host->sg_off;
-        if (count > data->blksz)
-                count = data->blksz;
-
-        pr_debug("count: %08x offset: %08x flags %08x\n",
-                 count, host->sg_off, data->flags);
-
-        /* Transfer the data */
-        if (data->flags & MMC_DATA_READ)
-                sd_ctrl_read16_rep(host, CTL_SD_DATA_PORT, buf, count >> 1);
-        else
-                sd_ctrl_write16_rep(host, CTL_SD_DATA_PORT, buf, count >> 1);
-
-        host->sg_off += count;
-
-        tmio_mmc_kunmap_atomic(host->sg_ptr, &flags, sg_virt);
-
-        if (host->sg_off == host->sg_ptr->length)
-                tmio_mmc_next_sg(host);
-
-        return;
-}
-
-/* needs to be called with host->lock held */
-static void tmio_mmc_do_data_irq(struct tmio_mmc_host *host)
-{
-        struct mmc_data *data = host->data;
-        struct mmc_command *stop;
-
-        host->data = NULL;
-
-        if (!data) {
-                dev_warn(&host->pdev->dev, "Spurious data end IRQ\n");
-                return;
-        }
-        stop = data->stop;
-
-        /* FIXME - return correct transfer count on errors */
-        if (!data->error)
-                data->bytes_xfered = data->blocks * data->blksz;
-        else
-                data->bytes_xfered = 0;
-
-        pr_debug("Completed data request\n");
-
-        /*
-         * FIXME: other drivers allow an optional stop command of any given type
-         *        which we dont do, as the chip can auto generate them.
-         *        Perhaps we can be smarter about when to use auto CMD12 and
-         *        only issue the auto request when we know this is the desired
-         *        stop command, allowing fallback to the stop command the
-         *        upper layers expect. For now, we do what works.
-         */
-
-        if (data->flags & MMC_DATA_READ) {
-                if (!host->chan_rx)
-                        disable_mmc_irqs(host, TMIO_MASK_READOP);
-                else
-                        tmio_check_bounce_buffer(host);
-                dev_dbg(&host->pdev->dev, "Complete Rx request %p\n",
-                        host->mrq);
-        } else {
-                if (!host->chan_tx)
-                        disable_mmc_irqs(host, TMIO_MASK_WRITEOP);
-                dev_dbg(&host->pdev->dev, "Complete Tx request %p\n",
-                        host->mrq);
-        }
-
-        if (stop) {
-                if (stop->opcode == 12 && !stop->arg)
-                        sd_ctrl_write16(host, CTL_STOP_INTERNAL_ACTION, 0x000);
-                else
-                        BUG();
-        }
-
-        tmio_mmc_finish_request(host);
-}
-
-static void tmio_mmc_data_irq(struct tmio_mmc_host *host)
-{
-        struct mmc_data *data;
-        spin_lock(&host->lock);
-        data = host->data;
-
-        if (!data)
-                goto out;
-
-        if (host->chan_tx && (data->flags & MMC_DATA_WRITE)) {
-                /*
-                 * Has all data been written out yet? Testing on SuperH showed,
-                 * that in most cases the first interrupt comes already with the
-                 * BUSY status bit clear, but on some operations, like mount or
-                 * in the beginning of a write / sync / umount, there is one
-                 * DATAEND interrupt with the BUSY bit set, in this cases
-                 * waiting for one more interrupt fixes the problem.
-                 */
-                if (!(sd_ctrl_read32(host, CTL_STATUS) & TMIO_STAT_CMD_BUSY)) {
-                        disable_mmc_irqs(host, TMIO_STAT_DATAEND);
-                        tasklet_schedule(&host->dma_complete);
-                }
-        } else if (host->chan_rx && (data->flags & MMC_DATA_READ)) {
-                disable_mmc_irqs(host, TMIO_STAT_DATAEND);
-                tasklet_schedule(&host->dma_complete);
-        } else {
-                tmio_mmc_do_data_irq(host);
-        }
-out:
-        spin_unlock(&host->lock);
-}
-
-static void tmio_mmc_cmd_irq(struct tmio_mmc_host *host,
-        unsigned int stat)
-{
-        struct mmc_command *cmd = host->cmd;
-        int i, addr;
-
-        spin_lock(&host->lock);
-
-        if (!host->cmd) {
-                pr_debug("Spurious CMD irq\n");
-                goto out;
-        }
-
-        host->cmd = NULL;
-
-        /* This controller is sicker than the PXA one. Not only do we need to
-         * drop the top 8 bits of the first response word, we also need to
-         * modify the order of the response for short response command types.
-         */
-
-        for (i = 3, addr = CTL_RESPONSE ; i >= 0 ; i--, addr += 4)
-                cmd->resp[i] = sd_ctrl_read32(host, addr);
-
-        if (cmd->flags &  MMC_RSP_136) {
-                cmd->resp[0] = (cmd->resp[0] << 8) | (cmd->resp[1] >> 24);
-                cmd->resp[1] = (cmd->resp[1] << 8) | (cmd->resp[2] >> 24);
-                cmd->resp[2] = (cmd->resp[2] << 8) | (cmd->resp[3] >> 24);
-                cmd->resp[3] <<= 8;
-        } else if (cmd->flags & MMC_RSP_R3) {
-                cmd->resp[0] = cmd->resp[3];
-        }
-
-        if (stat & TMIO_STAT_CMDTIMEOUT)
-                cmd->error = -ETIMEDOUT;
-        else if (stat & TMIO_STAT_CRCFAIL && cmd->flags & MMC_RSP_CRC)
-                cmd->error = -EILSEQ;
-
-        /* If there is data to handle we enable data IRQs here, and
-         * we will ultimatley finish the request in the data_end handler.
-         * If theres no data or we encountered an error, finish now.
-         */
-        if (host->data && !cmd->error) {
-                if (host->data->flags & MMC_DATA_READ) {
-                        if (!host->chan_rx)
-                                enable_mmc_irqs(host, TMIO_MASK_READOP);
-                } else {
-                        if (!host->chan_tx)
-                                enable_mmc_irqs(host, TMIO_MASK_WRITEOP);
-                        else
-                                tasklet_schedule(&host->dma_issue);
-                }
-        } else {
-                tmio_mmc_finish_request(host);
-        }
-
-out:
-        spin_unlock(&host->lock);
-
-        return;
-}
-
-static irqreturn_t tmio_mmc_irq(int irq, void *devid)
-{
-        struct tmio_mmc_host *host = devid;
-        struct tmio_mmc_data *pdata = mfd_get_data(host->pdev);
-        unsigned int ireg, irq_mask, status;
-        unsigned int sdio_ireg, sdio_irq_mask, sdio_status;
-
-        pr_debug("MMC IRQ begin\n");
-
-        status = sd_ctrl_read32(host, CTL_STATUS);
-        irq_mask = sd_ctrl_read32(host, CTL_IRQ_MASK);
-        ireg = status & TMIO_MASK_IRQ & ~irq_mask;
-
-        sdio_ireg = 0;
-        if (!ireg && pdata->flags & TMIO_MMC_SDIO_IRQ) {
-                sdio_status = sd_ctrl_read16(host, CTL_SDIO_STATUS);
-                sdio_irq_mask = sd_ctrl_read16(host, CTL_SDIO_IRQ_MASK);
-                sdio_ireg = sdio_status & TMIO_SDIO_MASK_ALL & ~sdio_irq_mask;
-
-                sd_ctrl_write16(host, CTL_SDIO_STATUS, sdio_status & ~TMIO_SDIO_MASK_ALL);
-
-                if (sdio_ireg && !host->sdio_irq_enabled) {
-                        pr_warning("tmio_mmc: Spurious SDIO IRQ, disabling! 0x%04x 0x%04x 0x%04x\n",
-                                   sdio_status, sdio_irq_mask, sdio_ireg);
-                        tmio_mmc_enable_sdio_irq(host->mmc, 0);
-                        goto out;
-                }
 
-                if (host->mmc->caps & MMC_CAP_SDIO_IRQ &&
-                        sdio_ireg & TMIO_SDIO_STAT_IOIRQ)
-                        mmc_signal_sdio_irq(host->mmc);
-
-                if (sdio_ireg)
-                        goto out;
-        }
-
-        pr_debug_status(status);
-        pr_debug_status(ireg);
-
-        if (!ireg) {
-                disable_mmc_irqs(host, status & ~irq_mask);
-
-                pr_warning("tmio_mmc: Spurious irq, disabling! "
-                        "0x%08x 0x%08x 0x%08x\n", status, irq_mask, ireg);
-                pr_debug_status(status);
-
-                goto out;
-        }
-
-        while (ireg) {
-                /* Card insert / remove attempts */
-                if (ireg & (TMIO_STAT_CARD_INSERT | TMIO_STAT_CARD_REMOVE)) {
-                        ack_mmc_irqs(host, TMIO_STAT_CARD_INSERT |
-                                TMIO_STAT_CARD_REMOVE);
-                        mmc_detect_change(host->mmc, msecs_to_jiffies(100));
-                }
-
-                /* CRC and other errors */
-/*              if (ireg & TMIO_STAT_ERR_IRQ)
- *                      handled |= tmio_error_irq(host, irq, stat);
- */
-
-                /* Command completion */
-                if (ireg & (TMIO_STAT_CMDRESPEND | TMIO_STAT_CMDTIMEOUT)) {
-                        ack_mmc_irqs(host,
-                                     TMIO_STAT_CMDRESPEND |
-                                     TMIO_STAT_CMDTIMEOUT);
-                        tmio_mmc_cmd_irq(host, status);
-                }
-
-                /* Data transfer */
-                if (ireg & (TMIO_STAT_RXRDY | TMIO_STAT_TXRQ)) {
-                        ack_mmc_irqs(host, TMIO_STAT_RXRDY | TMIO_STAT_TXRQ);
-                        tmio_mmc_pio_irq(host);
-                }
-
-                /* Data transfer completion */
-                if (ireg & TMIO_STAT_DATAEND) {
-                        ack_mmc_irqs(host, TMIO_STAT_DATAEND);
-                        tmio_mmc_data_irq(host);
-                }
-
-                /* Check status - keep going until we've handled it all */
-                status = sd_ctrl_read32(host, CTL_STATUS);
-                irq_mask = sd_ctrl_read32(host, CTL_IRQ_MASK);
-                ireg = status & TMIO_MASK_IRQ & ~irq_mask;
-
-                pr_debug("Status at end of loop: %08x\n", status);
-                pr_debug_status(status);
-        }
-        pr_debug("MMC IRQ end\n");
-
-out:
-        return IRQ_HANDLED;
-}
-
-#ifdef CONFIG_TMIO_MMC_DMA
-static void tmio_check_bounce_buffer(struct tmio_mmc_host *host)
-{
-        if (host->sg_ptr == &host->bounce_sg) {
-                unsigned long flags;
-                void *sg_vaddr = tmio_mmc_kmap_atomic(host->sg_orig, &flags);
-                memcpy(sg_vaddr, host->bounce_buf, host->bounce_sg.length);
-                tmio_mmc_kunmap_atomic(host->sg_orig, &flags, sg_vaddr);
-        }
-}
-
-static void tmio_mmc_enable_dma(struct tmio_mmc_host *host, bool enable)
-{
-#if defined(CONFIG_SUPERH) || defined(CONFIG_ARCH_SHMOBILE)
-        /* Switch DMA mode on or off - SuperH specific? */
-        sd_ctrl_write16(host, 0xd8, enable ? 2 : 0);
-#endif
-}
-
-static void tmio_dma_complete(void *arg)
-{
-        struct tmio_mmc_host *host = arg;
-
-        dev_dbg(&host->pdev->dev, "Command completed\n");
-
-        if (!host->data)
-                dev_warn(&host->pdev->dev, "NULL data in DMA completion!\n");
-        else
-                enable_mmc_irqs(host, TMIO_STAT_DATAEND);
-}
-
-static void tmio_mmc_start_dma_rx(struct tmio_mmc_host *host)
-{
-        struct scatterlist *sg = host->sg_ptr, *sg_tmp;
-        struct dma_async_tx_descriptor *desc = NULL;
-        struct dma_chan *chan = host->chan_rx;
-        struct tmio_mmc_data *pdata = mfd_get_data(host->pdev);
-        dma_cookie_t cookie;
-        int ret, i;
-        bool aligned = true, multiple = true;
-        unsigned int align = (1 << pdata->dma->alignment_shift) - 1;
-
-        for_each_sg(sg, sg_tmp, host->sg_len, i) {
-                if (sg_tmp->offset & align)
-                        aligned = false;
-                if (sg_tmp->length & align) {
-                        multiple = false;
-                        break;
-                }
-        }
-
-        if ((!aligned && (host->sg_len > 1 || sg->length > PAGE_CACHE_SIZE ||
-                          align >= MAX_ALIGN)) || !multiple) {
-                ret = -EINVAL;
-                goto pio;
-        }
-
-        /* The only sg element can be unaligned, use our bounce buffer then */
-        if (!aligned) {
-                sg_init_one(&host->bounce_sg, host->bounce_buf, sg->length);
-                host->sg_ptr = &host->bounce_sg;
-                sg = host->sg_ptr;
-        }
-
-        ret = dma_map_sg(chan->device->dev, sg, host->sg_len, DMA_FROM_DEVICE);
-        if (ret > 0)
-                desc = chan->device->device_prep_slave_sg(chan, sg, ret,
-                        DMA_FROM_DEVICE, DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
-
-        if (desc) {
-                desc->callback = tmio_dma_complete;
-                desc->callback_param = host;
-                cookie = dmaengine_submit(desc);
-                dma_async_issue_pending(chan);
-        }
-        dev_dbg(&host->pdev->dev, "%s(): mapped %d -> %d, cookie %d, rq %p\n",
-                __func__, host->sg_len, ret, cookie, host->mrq);
-
-pio:
-        if (!desc) {
-                /* DMA failed, fall back to PIO */
-                if (ret >= 0)
-                        ret = -EIO;
-                host->chan_rx = NULL;
-                dma_release_channel(chan);
-                /* Free the Tx channel too */
-                chan = host->chan_tx;
-                if (chan) {
-                        host->chan_tx = NULL;
-                        dma_release_channel(chan);
-                }
-                dev_warn(&host->pdev->dev,
-                         "DMA failed: %d, falling back to PIO\n", ret);
-                tmio_mmc_enable_dma(host, false);
-        }
-
-        dev_dbg(&host->pdev->dev, "%s(): desc %p, cookie %d, sg[%d]\n", __func__,
-                desc, cookie, host->sg_len);
-}
-
-static void tmio_mmc_start_dma_tx(struct tmio_mmc_host *host)
-{
-        struct scatterlist *sg = host->sg_ptr, *sg_tmp;
-        struct dma_async_tx_descriptor *desc = NULL;
-        struct dma_chan *chan = host->chan_tx;
-        struct tmio_mmc_data *pdata = mfd_get_data(host->pdev);
-        dma_cookie_t cookie;
-        int ret, i;
-        bool aligned = true, multiple = true;
-        unsigned int align = (1 << pdata->dma->alignment_shift) - 1;
-
-        for_each_sg(sg, sg_tmp, host->sg_len, i) {
-                if (sg_tmp->offset & align)
-                        aligned = false;
-                if (sg_tmp->length & align) {
-                        multiple = false;
-                        break;
-                }
-        }
-
-        if ((!aligned && (host->sg_len > 1 || sg->length > PAGE_CACHE_SIZE ||
-                          align >= MAX_ALIGN)) || !multiple) {
-                ret = -EINVAL;
-                goto pio;
-        }
-
-        /* The only sg element can be unaligned, use our bounce buffer then */
-        if (!aligned) {
-                unsigned long flags;
-                void *sg_vaddr = tmio_mmc_kmap_atomic(sg, &flags);
-                sg_init_one(&host->bounce_sg, host->bounce_buf, sg->length);
-                memcpy(host->bounce_buf, sg_vaddr, host->bounce_sg.length);
-                tmio_mmc_kunmap_atomic(sg, &flags, sg_vaddr);
-                host->sg_ptr = &host->bounce_sg;
-                sg = host->sg_ptr;
-        }
-
-        ret = dma_map_sg(chan->device->dev, sg, host->sg_len, DMA_TO_DEVICE);
-        if (ret > 0)
-                desc = chan->device->device_prep_slave_sg(chan, sg, ret,
-                        DMA_TO_DEVICE, DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
-
-        if (desc) {
-                desc->callback = tmio_dma_complete;
-                desc->callback_param = host;
-                cookie = dmaengine_submit(desc);
-        }
-        dev_dbg(&host->pdev->dev, "%s(): mapped %d -> %d, cookie %d, rq %p\n",
-                __func__, host->sg_len, ret, cookie, host->mrq);
-
-pio:
-        if (!desc) {
-                /* DMA failed, fall back to PIO */
-                if (ret >= 0)
-                        ret = -EIO;
-                host->chan_tx = NULL;
-                dma_release_channel(chan);
-                /* Free the Rx channel too */
-                chan = host->chan_rx;
-                if (chan) {
-                        host->chan_rx = NULL;
-                        dma_release_channel(chan);
-                }
-                dev_warn(&host->pdev->dev,
-                         "DMA failed: %d, falling back to PIO\n", ret);
-                tmio_mmc_enable_dma(host, false);
-        }
-
-        dev_dbg(&host->pdev->dev, "%s(): desc %p, cookie %d\n", __func__,
-                desc, cookie);
-}
-
-static void tmio_mmc_start_dma(struct tmio_mmc_host *host,
-                               struct mmc_data *data)
-{
-        if (data->flags & MMC_DATA_READ) {
-                if (host->chan_rx)
-                        tmio_mmc_start_dma_rx(host);
-        } else {
-                if (host->chan_tx)
-                        tmio_mmc_start_dma_tx(host);
-        }
-}
-
-static void tmio_issue_tasklet_fn(unsigned long priv)
-{
-        struct tmio_mmc_host *host = (struct tmio_mmc_host *)priv;
-        struct dma_chan *chan = host->chan_tx;
-
-        dma_async_issue_pending(chan);
-}
-
-static void tmio_tasklet_fn(unsigned long arg)
-{
-        struct tmio_mmc_host *host = (struct tmio_mmc_host *)arg;
-        unsigned long flags;
-
-        spin_lock_irqsave(&host->lock, flags);
-
-        if (!host->data)
-                goto out;
-
-        if (host->data->flags & MMC_DATA_READ)
-                dma_unmap_sg(host->chan_rx->device->dev,
-                             host->sg_ptr, host->sg_len,
-                             DMA_FROM_DEVICE);
-        else
-                dma_unmap_sg(host->chan_tx->device->dev,
-                             host->sg_ptr, host->sg_len,
-                             DMA_TO_DEVICE);
-
-        tmio_mmc_do_data_irq(host);
-out:
-        spin_unlock_irqrestore(&host->lock, flags);
-}
-
-/* It might be necessary to make filter MFD specific */
-static bool tmio_mmc_filter(struct dma_chan *chan, void *arg)
-{
-        dev_dbg(chan->device->dev, "%s: slave data %p\n", __func__, arg);
-        chan->private = arg;
-        return true;
-}
-
-static void tmio_mmc_request_dma(struct tmio_mmc_host *host,
-                                 struct tmio_mmc_data *pdata)
-{
-        /* We can only either use DMA for both Tx and Rx or not use it at all */
-        if (pdata->dma) {
-                dma_cap_mask_t mask;
-
-                dma_cap_zero(mask);
-                dma_cap_set(DMA_SLAVE, mask);
-
-                host->chan_tx = dma_request_channel(mask, tmio_mmc_filter,
-                                                    pdata->dma->chan_priv_tx);
-                dev_dbg(&host->pdev->dev, "%s: TX: got channel %p\n", __func__,
-                        host->chan_tx);
-
-                if (!host->chan_tx)
-                        return;
-
-                host->chan_rx = dma_request_channel(mask, tmio_mmc_filter,
-                                                    pdata->dma->chan_priv_rx);
-                dev_dbg(&host->pdev->dev, "%s: RX: got channel %p\n", __func__,
-                        host->chan_rx);
-
-                if (!host->chan_rx) {
-                        dma_release_channel(host->chan_tx);
-                        host->chan_tx = NULL;
-                        return;
-                }
-
-                tasklet_init(&host->dma_complete, tmio_tasklet_fn, (unsigned long)host);
-                tasklet_init(&host->dma_issue, tmio_issue_tasklet_fn, (unsigned long)host);
-
-                tmio_mmc_enable_dma(host, true);
-        }
-}
-
-static void tmio_mmc_release_dma(struct tmio_mmc_host *host)
-{
-        if (host->chan_tx) {
-                struct dma_chan *chan = host->chan_tx;
-                host->chan_tx = NULL;
-                dma_release_channel(chan);
-        }
-        if (host->chan_rx) {
-                struct dma_chan *chan = host->chan_rx;
-                host->chan_rx = NULL;
-                dma_release_channel(chan);
-        }
-}
-#else
-static void tmio_check_bounce_buffer(struct tmio_mmc_host *host)
-{
-}
-
-static void tmio_mmc_start_dma(struct tmio_mmc_host *host,
-                               struct mmc_data *data)
-{
-}
-
-static void tmio_mmc_request_dma(struct tmio_mmc_host *host,
-                                 struct tmio_mmc_data *pdata)
-{
-        host->chan_tx = NULL;
-        host->chan_rx = NULL;
-}
-
-static void tmio_mmc_release_dma(struct tmio_mmc_host *host)
-{
-}
-#endif
-
-static int tmio_mmc_start_data(struct tmio_mmc_host *host,
-        struct mmc_data *data)
-{
-        struct tmio_mmc_data *pdata = mfd_get_data(host->pdev);
-
-        pr_debug("setup data transfer: blocksize %08x  nr_blocks %d\n",
-                 data->blksz, data->blocks);
-
-        /* Some hardware cannot perform 2 byte requests in 4 bit mode */
-        if (host->mmc->ios.bus_width == MMC_BUS_WIDTH_4) {
-                int blksz_2bytes = pdata->flags & TMIO_MMC_BLKSZ_2BYTES;
-
-                if (data->blksz < 2 || (data->blksz < 4 && !blksz_2bytes)) {
-                        pr_err("%s: %d byte block unsupported in 4 bit mode\n",
-                               mmc_hostname(host->mmc), data->blksz);
-                        return -EINVAL;
-                }
-        }
-
-        tmio_mmc_init_sg(host, data);
-        host->data = data;
-
-        /* Set transfer length / blocksize */
-        sd_ctrl_write16(host, CTL_SD_XFER_LEN, data->blksz);
-        sd_ctrl_write16(host, CTL_XFER_BLK_COUNT, data->blocks);
-
-        tmio_mmc_start_dma(host, data);
-
-        return 0;
-}
-
-/* Process requests from the MMC layer */
-static void tmio_mmc_request(struct mmc_host *mmc, struct mmc_request *mrq)
-{
-        struct tmio_mmc_host *host = mmc_priv(mmc);
-        int ret;
-
-        if (host->mrq)
-                pr_debug("request not null\n");
-
-        host->last_req_ts = jiffies;
-        wmb();
-        host->mrq = mrq;
-
-        if (mrq->data) {
-                ret = tmio_mmc_start_data(host, mrq->data);
-                if (ret)
-                        goto fail;
-        }
-
-        ret = tmio_mmc_start_command(host, mrq->cmd);
-        if (!ret) {
-                schedule_delayed_work(&host->delayed_reset_work,
-                                      msecs_to_jiffies(2000));
-                return;
-        }
-
-fail:
-        host->mrq = NULL;
-        mrq->cmd->error = ret;
-        mmc_request_done(mmc, mrq);
-}
-
-/* Set MMC clock / power.
- * Note: This controller uses a simple divider scheme therefore it cannot
- * run a MMC card at full speed (20MHz). The max clock is 24MHz on SD, but as
- * MMC wont run that fast, it has to be clocked at 12MHz which is the next
- * slowest setting.
- */
-static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
-{
-        struct tmio_mmc_host *host = mmc_priv(mmc);
-
-        if (ios->clock)
-                tmio_mmc_set_clock(host, ios->clock);
-
-        /* Power sequence - OFF -> ON -> UP */
-        switch (ios->power_mode) {
-        case MMC_POWER_OFF: /* power down SD bus */
-                if (host->set_pwr)
-                        host->set_pwr(host->pdev, 0);
-                tmio_mmc_clk_stop(host);
-                break;
-        case MMC_POWER_ON: /* power up SD bus */
-                if (host->set_pwr)
-                        host->set_pwr(host->pdev, 1);
-                break;
-        case MMC_POWER_UP: /* start bus clock */
-                tmio_mmc_clk_start(host);
-                break;
-        }
-
-        switch (ios->bus_width) {
-        case MMC_BUS_WIDTH_1:
-                sd_ctrl_write16(host, CTL_SD_MEM_CARD_OPT, 0x80e0);
-        break;
-        case MMC_BUS_WIDTH_4:
-                sd_ctrl_write16(host, CTL_SD_MEM_CARD_OPT, 0x00e0);
-        break;
-        }
-
-        /* Let things settle. delay taken from winCE driver */
-        udelay(140);
-}
-
-static int tmio_mmc_get_ro(struct mmc_host *mmc)
-{
-        struct tmio_mmc_host *host = mmc_priv(mmc);
-        struct tmio_mmc_data *pdata = mfd_get_data(host->pdev);
-
-        return ((pdata->flags & TMIO_MMC_WRPROTECT_DISABLE) ||
-                (sd_ctrl_read32(host, CTL_STATUS) & TMIO_STAT_WRPROTECT)) ? 0 : 1;
-}
-
-static int tmio_mmc_get_cd(struct mmc_host *mmc)
-{
-        struct tmio_mmc_host *host = mmc_priv(mmc);
-        struct tmio_mmc_data *pdata = mfd_get_data(host->pdev);
-
-        if (!pdata->get_cd)
-                return -ENOSYS;
-        else
-                return pdata->get_cd(host->pdev);
-}
-
-static const struct mmc_host_ops tmio_mmc_ops = {
-        .request        = tmio_mmc_request,
-        .set_ios        = tmio_mmc_set_ios,
-        .get_ro         = tmio_mmc_get_ro,
-        .get_cd         = tmio_mmc_get_cd,
-        .enable_sdio_irq = tmio_mmc_enable_sdio_irq,
-};
+#include "tmio_mmc.h"
 
 #ifdef CONFIG_PM
 static int tmio_mmc_suspend(struct platform_device *dev, pm_message_t state)
@@ -1227,138 +62,54 @@ out:
 #define tmio_mmc_resume NULL
 #endif
 
-static int __devinit tmio_mmc_probe(struct platform_device *dev)
+static int __devinit tmio_mmc_probe(struct platform_device *pdev)
 {
-        const struct mfd_cell *cell = mfd_get_cell(dev);
+        const struct mfd_cell *cell = mfd_get_cell(pdev);
         struct tmio_mmc_data *pdata;
-        struct resource *res_ctl;
         struct tmio_mmc_host *host;
-        struct mmc_host *mmc;
         int ret = -EINVAL;
-        u32 irq_mask = TMIO_MASK_CMD;
 
-        if (dev->num_resources != 2)
+        if (pdev->num_resources != 2)
                 goto out;
 
-        res_ctl = platform_get_resource(dev, IORESOURCE_MEM, 0);
-        if (!res_ctl)
-                goto out;
-
-        pdata = mfd_get_data(dev);
+        pdata = mfd_get_data(pdev);
         if (!pdata || !pdata->hclk)
                 goto out;
 
-        ret = -ENOMEM;
-
-        mmc = mmc_alloc_host(sizeof(struct tmio_mmc_host), &dev->dev);
-        if (!mmc)
-                goto out;
-
-        host = mmc_priv(mmc);
-        host->mmc = mmc;
-        host->pdev = dev;
-        platform_set_drvdata(dev, mmc);
-
-        host->set_pwr = pdata->set_pwr;
-        host->set_clk_div = pdata->set_clk_div;
-
-        /* SD control register space size is 0x200, 0x400 for bus_shift=1 */
-        host->bus_shift = resource_size(res_ctl) >> 10;
-
-        host->ctl = ioremap(res_ctl->start, resource_size(res_ctl));
-        if (!host->ctl)
-                goto host_free;
-
-        mmc->ops = &tmio_mmc_ops;
-        mmc->caps = MMC_CAP_4_BIT_DATA | pdata->capabilities;
-        mmc->f_max = pdata->hclk;
-        mmc->f_min = mmc->f_max / 512;
-        mmc->max_segs = 32;
-        mmc->max_blk_size = 512;
-        mmc->max_blk_count = (PAGE_CACHE_SIZE / mmc->max_blk_size) *
-                mmc->max_segs;
-        mmc->max_req_size = mmc->max_blk_size * mmc->max_blk_count;
-        mmc->max_seg_size = mmc->max_req_size;
-        if (pdata->ocr_mask)
-                mmc->ocr_avail = pdata->ocr_mask;
-        else
-                mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
-
         /* Tell the MFD core we are ready to be enabled */
         if (cell->enable) {
-                ret = cell->enable(dev);
+                ret = cell->enable(pdev);
                 if (ret)
-                        goto unmap_ctl;
+                        goto out;
         }
 
-        tmio_mmc_clk_stop(host);
-        reset(host);
-
-        ret = platform_get_irq(dev, 0);
-        if (ret >= 0)
-                host->irq = ret;
-        else
-                goto cell_disable;
-
-        disable_mmc_irqs(host, TMIO_MASK_ALL);
-        if (pdata->flags & TMIO_MMC_SDIO_IRQ)
-                tmio_mmc_enable_sdio_irq(mmc, 0);
-
-        ret = request_irq(host->irq, tmio_mmc_irq, IRQF_DISABLED |
-                IRQF_TRIGGER_FALLING, dev_name(&dev->dev), host);
+        ret = tmio_mmc_host_probe(&host, pdev, pdata);
         if (ret)
                 goto cell_disable;
 
-        spin_lock_init(&host->lock);
-
-        /* Init delayed work for request timeouts */
-        INIT_DELAYED_WORK(&host->delayed_reset_work, tmio_mmc_reset_work);
-
-        /* See if we also get DMA */
-        tmio_mmc_request_dma(host, pdata);
-
-        mmc_add_host(mmc);
-
         pr_info("%s at 0x%08lx irq %d\n", mmc_hostname(host->mmc),
                 (unsigned long)host->ctl, host->irq);
 
-        /* Unmask the IRQs we want to know about */
-        if (!host->chan_rx)
-                irq_mask |= TMIO_MASK_READOP;
-        if (!host->chan_tx)
-                irq_mask |= TMIO_MASK_WRITEOP;
-        enable_mmc_irqs(host, irq_mask);
-
         return 0;
 
 cell_disable:
         if (cell->disable)
-                cell->disable(dev);
-unmap_ctl:
-        iounmap(host->ctl);
-host_free:
-        mmc_free_host(mmc);
+                cell->disable(pdev);
 out:
         return ret;
 }
 
-static int __devexit tmio_mmc_remove(struct platform_device *dev)
+static int __devexit tmio_mmc_remove(struct platform_device *pdev)
 {
-        const struct mfd_cell *cell = mfd_get_cell(dev);
-        struct mmc_host *mmc = platform_get_drvdata(dev);
+        const struct mfd_cell *cell = mfd_get_cell(pdev);
+        struct mmc_host *mmc = platform_get_drvdata(pdev);
 
-        platform_set_drvdata(dev, NULL);
+        platform_set_drvdata(pdev, NULL);
 
         if (mmc) {
-                struct tmio_mmc_host *host = mmc_priv(mmc);
-                mmc_remove_host(mmc);
-                cancel_delayed_work_sync(&host->delayed_reset_work);
-                tmio_mmc_release_dma(host);
-                free_irq(host->irq, host);
+                tmio_mmc_host_remove(mmc_priv(mmc));
                 if (cell->disable)
-                        cell->disable(dev);
-                iounmap(host->ctl);
-                mmc_free_host(mmc);
+                        cell->disable(pdev);
         }
 
         return 0;
diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
new file mode 100644
index 000000000000..099ed49a259b
--- /dev/null
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -0,0 +1,123 @@
+/*
+ * linux/drivers/mmc/host/tmio_mmc.h
+ *
+ * Copyright (C) 2007 Ian Molton
+ * Copyright (C) 2004 Ian Molton
+ *
+ * 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.
+ *
+ * Driver for the MMC / SD / SDIO cell found in:
+ *
+ * TC6393XB TC6391XB TC6387XB T7L66XB ASIC3
+ */
+
+#ifndef TMIO_MMC_H
+#define TMIO_MMC_H
+
+#include <linux/highmem.h>
+#include <linux/mmc/tmio.h>
+#include <linux/pagemap.h>
+
+/* Definitions for values the CTRL_SDIO_STATUS register can take. */
+#define TMIO_SDIO_STAT_IOIRQ    0x0001
+#define TMIO_SDIO_STAT_EXPUB52  0x4000
+#define TMIO_SDIO_STAT_EXWT     0x8000
+#define TMIO_SDIO_MASK_ALL      0xc007
+
+/* Define some IRQ masks */
+/* This is the mask used at reset by the chip */
+#define TMIO_MASK_ALL           0x837f031d
+#define TMIO_MASK_READOP  (TMIO_STAT_RXRDY | TMIO_STAT_DATAEND)
+#define TMIO_MASK_WRITEOP (TMIO_STAT_TXRQ | TMIO_STAT_DATAEND)
+#define TMIO_MASK_CMD     (TMIO_STAT_CMDRESPEND | TMIO_STAT_CMDTIMEOUT | \
+                TMIO_STAT_CARD_REMOVE | TMIO_STAT_CARD_INSERT)
+#define TMIO_MASK_IRQ     (TMIO_MASK_READOP | TMIO_MASK_WRITEOP | TMIO_MASK_CMD)
+
+struct tmio_mmc_data;
+
+struct tmio_mmc_host {
+        void __iomem *ctl;
+        unsigned long bus_shift;
+        struct mmc_command      *cmd;
+        struct mmc_request      *mrq;
+        struct mmc_data         *data;
+        struct mmc_host         *mmc;
+        int                     irq;
+        unsigned int            sdio_irq_enabled;
+
+        /* Callbacks for clock / power control */
+        void (*set_pwr)(struct platform_device *host, int state);
+        void (*set_clk_div)(struct platform_device *host, int state);
+
+        /* pio related stuff */
+        struct scatterlist      *sg_ptr;
+        struct scatterlist      *sg_orig;
+        unsigned int            sg_len;
+        unsigned int            sg_off;
+
+        struct platform_device *pdev;
+        struct tmio_mmc_data *pdata;
+
+        /* DMA support */
+        bool                    force_pio;
+        struct dma_chan         *chan_rx;
+        struct dma_chan         *chan_tx;
+        struct tasklet_struct   dma_complete;
+        struct tasklet_struct   dma_issue;
+        struct scatterlist      bounce_sg;
+        u8                      *bounce_buf;
+
+        /* Track lost interrupts */
+        struct delayed_work     delayed_reset_work;
+        spinlock_t              lock;
+        unsigned long           last_req_ts;
+};
+
+int tmio_mmc_host_probe(struct tmio_mmc_host **host,
+                        struct platform_device *pdev,
+                        struct tmio_mmc_data *pdata);
+void tmio_mmc_host_remove(struct tmio_mmc_host *host);
+void tmio_mmc_do_data_irq(struct tmio_mmc_host *host);
+
+void tmio_mmc_enable_mmc_irqs(struct tmio_mmc_host *host, u32 i);
+void tmio_mmc_disable_mmc_irqs(struct tmio_mmc_host *host, u32 i);
+
+static inline char *tmio_mmc_kmap_atomic(struct scatterlist *sg,
+                                         unsigned long *flags)
+{
+        local_irq_save(*flags);
+        return kmap_atomic(sg_page(sg), KM_BIO_SRC_IRQ) + sg->offset;
+}
+
+static inline void tmio_mmc_kunmap_atomic(struct scatterlist *sg,
+                                          unsigned long *flags, void *virt)
+{
+        kunmap_atomic(virt - sg->offset, KM_BIO_SRC_IRQ);
+        local_irq_restore(*flags);
+}
+
+#if defined(CONFIG_MMC_SDHI) || defined(CONFIG_MMC_SDHI_MODULE)
+void tmio_mmc_start_dma(struct tmio_mmc_host *host, struct mmc_data *data);
+void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdata);
+void tmio_mmc_release_dma(struct tmio_mmc_host *host);
+#else
+static inline void tmio_mmc_start_dma(struct tmio_mmc_host *host,
+                               struct mmc_data *data)
+{
+}
+
+static inline void tmio_mmc_request_dma(struct tmio_mmc_host *host,
+                                 struct tmio_mmc_data *pdata)
+{
+        host->chan_tx = NULL;
+        host->chan_rx = NULL;
+}
+
+static inline void tmio_mmc_release_dma(struct tmio_mmc_host *host)
+{
+}
+#endif
+
+#endif
diff --git a/drivers/mmc/host/tmio_mmc_dma.c b/drivers/mmc/host/tmio_mmc_dma.c
new file mode 100644
index 000000000000..d3de74ab633e
--- /dev/null
+++ b/drivers/mmc/host/tmio_mmc_dma.c
@@ -0,0 +1,317 @@
+/*
+ * linux/drivers/mmc/tmio_mmc_dma.c
+ *
+ * Copyright (C) 2010-2011 Guennadi Liakhovetski
+ *
+ * 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.
+ *
+ * DMA function for TMIO MMC implementations
+ */
+
+#include <linux/device.h>
+#include <linux/dmaengine.h>
+#include <linux/mfd/tmio.h>
+#include <linux/mmc/host.h>
+#include <linux/mmc/tmio.h>
+#include <linux/pagemap.h>
+#include <linux/scatterlist.h>
+
+#include "tmio_mmc.h"
+
+#define TMIO_MMC_MIN_DMA_LEN 8
+
+static void tmio_mmc_enable_dma(struct tmio_mmc_host *host, bool enable)
+{
+#if defined(CONFIG_SUPERH) || defined(CONFIG_ARCH_SHMOBILE)
+        /* Switch DMA mode on or off - SuperH specific? */
+        writew(enable ? 2 : 0, host->ctl + (0xd8 << host->bus_shift));
+#endif
+}
+
+static void tmio_mmc_start_dma_rx(struct tmio_mmc_host *host)
+{
+        struct scatterlist *sg = host->sg_ptr, *sg_tmp;
+        struct dma_async_tx_descriptor *desc = NULL;
+        struct dma_chan *chan = host->chan_rx;
+        struct tmio_mmc_data *pdata = host->pdata;
+        dma_cookie_t cookie;
+        int ret, i;
+        bool aligned = true, multiple = true;
+        unsigned int align = (1 << pdata->dma->alignment_shift) - 1;
+
+        for_each_sg(sg, sg_tmp, host->sg_len, i) {
+                if (sg_tmp->offset & align)
+                        aligned = false;
+                if (sg_tmp->length & align) {
+                        multiple = false;
+                        break;
+                }
+        }
+
+        if ((!aligned && (host->sg_len > 1 || sg->length > PAGE_CACHE_SIZE ||
+                          (align & PAGE_MASK))) || !multiple) {
+                ret = -EINVAL;
+                goto pio;
+        }
+
+        if (sg->length < TMIO_MMC_MIN_DMA_LEN) {
+                host->force_pio = true;
+                return;
+        }
+
+        tmio_mmc_disable_mmc_irqs(host, TMIO_STAT_RXRDY);
+
+        /* The only sg element can be unaligned, use our bounce buffer then */
+        if (!aligned) {
+                sg_init_one(&host->bounce_sg, host->bounce_buf, sg->length);
+                host->sg_ptr = &host->bounce_sg;
+                sg = host->sg_ptr;
+        }
+
+        ret = dma_map_sg(chan->device->dev, sg, host->sg_len, DMA_FROM_DEVICE);
+        if (ret > 0)
+                desc = chan->device->device_prep_slave_sg(chan, sg, ret,
+                        DMA_FROM_DEVICE, DMA_CTRL_ACK);
+
+        if (desc) {
+                cookie = dmaengine_submit(desc);
+                if (cookie < 0) {
+                        desc = NULL;
+                        ret = cookie;
+                }
+        }
+        dev_dbg(&host->pdev->dev, "%s(): mapped %d -> %d, cookie %d, rq %p\n",
+                __func__, host->sg_len, ret, cookie, host->mrq);
+
+pio:
+        if (!desc) {
+                /* DMA failed, fall back to PIO */
+                if (ret >= 0)
+                        ret = -EIO;
+                host->chan_rx = NULL;
+                dma_release_channel(chan);
+                /* Free the Tx channel too */
+                chan = host->chan_tx;
+                if (chan) {
+                        host->chan_tx = NULL;
+                        dma_release_channel(chan);
+                }
+                dev_warn(&host->pdev->dev,
+                         "DMA failed: %d, falling back to PIO\n", ret);
+                tmio_mmc_enable_dma(host, false);
+        }
+
+        dev_dbg(&host->pdev->dev, "%s(): desc %p, cookie %d, sg[%d]\n", __func__,
+                desc, cookie, host->sg_len);
+}
+
+static void tmio_mmc_start_dma_tx(struct tmio_mmc_host *host)
+{
+        struct scatterlist *sg = host->sg_ptr, *sg_tmp;
+        struct dma_async_tx_descriptor *desc = NULL;
+        struct dma_chan *chan = host->chan_tx;
+        struct tmio_mmc_data *pdata = host->pdata;
+        dma_cookie_t cookie;
+        int ret, i;
+        bool aligned = true, multiple = true;
+        unsigned int align = (1 << pdata->dma->alignment_shift) - 1;
+
+        for_each_sg(sg, sg_tmp, host->sg_len, i) {
+                if (sg_tmp->offset & align)
+                        aligned = false;
+                if (sg_tmp->length & align) {
+                        multiple = false;
+                        break;
+                }
+        }
+
+        if ((!aligned && (host->sg_len > 1 || sg->length > PAGE_CACHE_SIZE ||
+                          (align & PAGE_MASK))) || !multiple) {
+                ret = -EINVAL;
+                goto pio;
+        }
+
+        if (sg->length < TMIO_MMC_MIN_DMA_LEN) {
+                host->force_pio = true;
+                return;
+        }
+
+        tmio_mmc_disable_mmc_irqs(host, TMIO_STAT_TXRQ);
+
+        /* The only sg element can be unaligned, use our bounce buffer then */
+        if (!aligned) {
+                unsigned long flags;
+                void *sg_vaddr = tmio_mmc_kmap_atomic(sg, &flags);
+                sg_init_one(&host->bounce_sg, host->bounce_buf, sg->length);
+                memcpy(host->bounce_buf, sg_vaddr, host->bounce_sg.length);
+                tmio_mmc_kunmap_atomic(sg, &flags, sg_vaddr);
+                host->sg_ptr = &host->bounce_sg;
+                sg = host->sg_ptr;
+        }
+
+        ret = dma_map_sg(chan->device->dev, sg, host->sg_len, DMA_TO_DEVICE);
+        if (ret > 0)
+                desc = chan->device->device_prep_slave_sg(chan, sg, ret,
+                        DMA_TO_DEVICE, DMA_CTRL_ACK);
+
+        if (desc) {
+                cookie = dmaengine_submit(desc);
+                if (cookie < 0) {
+                        desc = NULL;
+                        ret = cookie;
+                }
+        }
+        dev_dbg(&host->pdev->dev, "%s(): mapped %d -> %d, cookie %d, rq %p\n",
+                __func__, host->sg_len, ret, cookie, host->mrq);
+
+pio:
+        if (!desc) {
+                /* DMA failed, fall back to PIO */
+                if (ret >= 0)
+                        ret = -EIO;
+                host->chan_tx = NULL;
+                dma_release_channel(chan);
+                /* Free the Rx channel too */
+                chan = host->chan_rx;
+                if (chan) {
+                        host->chan_rx = NULL;
+                        dma_release_channel(chan);
+                }
+                dev_warn(&host->pdev->dev,
+                         "DMA failed: %d, falling back to PIO\n", ret);
+                tmio_mmc_enable_dma(host, false);
+        }
+
+        dev_dbg(&host->pdev->dev, "%s(): desc %p, cookie %d\n", __func__,
+                desc, cookie);
+}
+
+void tmio_mmc_start_dma(struct tmio_mmc_host *host,
+                               struct mmc_data *data)
+{
+        if (data->flags & MMC_DATA_READ) {
+                if (host->chan_rx)
+                        tmio_mmc_start_dma_rx(host);
+        } else {
+                if (host->chan_tx)
+                        tmio_mmc_start_dma_tx(host);
+        }
+}
+
+static void tmio_mmc_issue_tasklet_fn(unsigned long priv)
+{
+        struct tmio_mmc_host *host = (struct tmio_mmc_host *)priv;
+        struct dma_chan *chan = NULL;
+
+        spin_lock_irq(&host->lock);
+
+        if (host && host->data) {
+                if (host->data->flags & MMC_DATA_READ)
+                        chan = host->chan_rx;
+                else
+                        chan = host->chan_tx;
+        }
+
+        spin_unlock_irq(&host->lock);
+
+        tmio_mmc_enable_mmc_irqs(host, TMIO_STAT_DATAEND);
+
+        if (chan)
+                dma_async_issue_pending(chan);
+}
+
+static void tmio_mmc_tasklet_fn(unsigned long arg)
+{
+        struct tmio_mmc_host *host = (struct tmio_mmc_host *)arg;
+
+        spin_lock_irq(&host->lock);
+
+        if (!host->data)
+                goto out;
+
+        if (host->data->flags & MMC_DATA_READ)
+                dma_unmap_sg(host->chan_rx->device->dev,
+                             host->sg_ptr, host->sg_len,
+                             DMA_FROM_DEVICE);
+        else
+                dma_unmap_sg(host->chan_tx->device->dev,
+                             host->sg_ptr, host->sg_len,
+                             DMA_TO_DEVICE);
+
+        tmio_mmc_do_data_irq(host);
+out:
+        spin_unlock_irq(&host->lock);
+}
+
+/* It might be necessary to make filter MFD specific */
+static bool tmio_mmc_filter(struct dma_chan *chan, void *arg)
+{
+        dev_dbg(chan->device->dev, "%s: slave data %p\n", __func__, arg);
+        chan->private = arg;
+        return true;
+}
+
+void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdata)
+{
+        /* We can only either use DMA for both Tx and Rx or not use it at all */
+        if (pdata->dma) {
+                dma_cap_mask_t mask;
+
+                dma_cap_zero(mask);
+                dma_cap_set(DMA_SLAVE, mask);
+
+                host->chan_tx = dma_request_channel(mask, tmio_mmc_filter,
+                                                    pdata->dma->chan_priv_tx);
+                dev_dbg(&host->pdev->dev, "%s: TX: got channel %p\n", __func__,
+                        host->chan_tx);
+
+                if (!host->chan_tx)
+                        return;
+
+                host->chan_rx = dma_request_channel(mask, tmio_mmc_filter,
+                                                    pdata->dma->chan_priv_rx);
+                dev_dbg(&host->pdev->dev, "%s: RX: got channel %p\n", __func__,
+                        host->chan_rx);
+
+                if (!host->chan_rx)
+                        goto ereqrx;
+
+                host->bounce_buf = (u8 *)__get_free_page(GFP_KERNEL | GFP_DMA);
+                if (!host->bounce_buf)
+                        goto ebouncebuf;
+
+                tasklet_init(&host->dma_complete, tmio_mmc_tasklet_fn, (unsigned long)host);
+                tasklet_init(&host->dma_issue, tmio_mmc_issue_tasklet_fn, (unsigned long)host);
+
+                tmio_mmc_enable_dma(host, true);
+
+                return;
+ebouncebuf:
+                dma_release_channel(host->chan_rx);
+                host->chan_rx = NULL;
+ereqrx:
+                dma_release_channel(host->chan_tx);
+                host->chan_tx = NULL;
+                return;
+        }
+}
+
+void tmio_mmc_release_dma(struct tmio_mmc_host *host)
+{
+        if (host->chan_tx) {
+                struct dma_chan *chan = host->chan_tx;
+                host->chan_tx = NULL;
+                dma_release_channel(chan);
+        }
+        if (host->chan_rx) {
+                struct dma_chan *chan = host->chan_rx;
+                host->chan_rx = NULL;
+                dma_release_channel(chan);
+        }
+        if (host->bounce_buf) {
+                free_pages((unsigned long)host->bounce_buf, 0);
+                host->bounce_buf = NULL;
+        }
+}
diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c
new file mode 100644
index 000000000000..6ae8d2f00ec7
--- /dev/null
+++ b/drivers/mmc/host/tmio_mmc_pio.c
@@ -0,0 +1,897 @@
+/*
+ * linux/drivers/mmc/host/tmio_mmc_pio.c
+ *
+ * Copyright (C) 2011 Guennadi Liakhovetski
+ * Copyright (C) 2007 Ian Molton
+ * Copyright (C) 2004 Ian Molton
+ *
+ * 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.
+ *
+ * Driver for the MMC / SD / SDIO IP found in:
+ *
+ * TC6393XB, TC6391XB, TC6387XB, T7L66XB, ASIC3, SH-Mobile SoCs
+ *
+ * This driver draws mainly on scattered spec sheets, Reverse engineering
+ * of the toshiba e800  SD driver and some parts of the 2.4 ASIC3 driver (4 bit
+ * support). (Further 4 bit support from a later datasheet).
+ *
+ * TODO:
+ *   Investigate using a workqueue for PIO transfers
+ *   Eliminate FIXMEs
+ *   SDIO support
+ *   Better Power management
+ *   Handle MMC errors better
+ *   double buffer support
+ *
+ */
+
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/highmem.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/mfd/tmio.h>
+#include <linux/mmc/host.h>
+#include <linux/mmc/tmio.h>
+#include <linux/module.h>
+#include <linux/pagemap.h>
+#include <linux/platform_device.h>
+#include <linux/scatterlist.h>
+#include <linux/workqueue.h>
+#include <linux/spinlock.h>
+
+#include "tmio_mmc.h"
+
+static u16 sd_ctrl_read16(struct tmio_mmc_host *host, int addr)
+{
+        return readw(host->ctl + (addr << host->bus_shift));
+}
+
+static void sd_ctrl_read16_rep(struct tmio_mmc_host *host, int addr,
+                u16 *buf, int count)
+{
+        readsw(host->ctl + (addr << host->bus_shift), buf, count);
+}
+
+static u32 sd_ctrl_read32(struct tmio_mmc_host *host, int addr)
+{
+        return readw(host->ctl + (addr << host->bus_shift)) |
+               readw(host->ctl + ((addr + 2) << host->bus_shift)) << 16;
+}
+
+static void sd_ctrl_write16(struct tmio_mmc_host *host, int addr, u16 val)
+{
+        writew(val, host->ctl + (addr << host->bus_shift));
+}
+
+static void sd_ctrl_write16_rep(struct tmio_mmc_host *host, int addr,
+                u16 *buf, int count)
+{
+        writesw(host->ctl + (addr << host->bus_shift), buf, count);
+}
+
+static void sd_ctrl_write32(struct tmio_mmc_host *host, int addr, u32 val)
+{
+        writew(val, host->ctl + (addr << host->bus_shift));
+        writew(val >> 16, host->ctl + ((addr + 2) << host->bus_shift));
+}
+
+void tmio_mmc_enable_mmc_irqs(struct tmio_mmc_host *host, u32 i)
+{
+        u32 mask = sd_ctrl_read32(host, CTL_IRQ_MASK) & ~(i & TMIO_MASK_IRQ);
+        sd_ctrl_write32(host, CTL_IRQ_MASK, mask);
+}
+
+void tmio_mmc_disable_mmc_irqs(struct tmio_mmc_host *host, u32 i)
+{
+        u32 mask = sd_ctrl_read32(host, CTL_IRQ_MASK) | (i & TMIO_MASK_IRQ);
+        sd_ctrl_write32(host, CTL_IRQ_MASK, mask);
+}
+
+static void tmio_mmc_ack_mmc_irqs(struct tmio_mmc_host *host, u32 i)
+{
+        sd_ctrl_write32(host, CTL_STATUS, ~i);
+}
+
+static void tmio_mmc_init_sg(struct tmio_mmc_host *host, struct mmc_data *data)
+{
+        host->sg_len = data->sg_len;
+        host->sg_ptr = data->sg;
+        host->sg_orig = data->sg;
+        host->sg_off = 0;
+}
+
+static int tmio_mmc_next_sg(struct tmio_mmc_host *host)
+{
+        host->sg_ptr = sg_next(host->sg_ptr);
+        host->sg_off = 0;
+        return --host->sg_len;
+}
+
+#ifdef CONFIG_MMC_DEBUG
+
+#define STATUS_TO_TEXT(a, status, i) \
+        do { \
+                if (status & TMIO_STAT_##a) { \
+                        if (i++) \
+                                printk(" | "); \
+                        printk(#a); \
+                } \
+        } while (0)
+
+static void pr_debug_status(u32 status)
+{
+        int i = 0;
+        printk(KERN_DEBUG "status: %08x = ", status);
+        STATUS_TO_TEXT(CARD_REMOVE, status, i);
+        STATUS_TO_TEXT(CARD_INSERT, status, i);
+        STATUS_TO_TEXT(SIGSTATE, status, i);
+        STATUS_TO_TEXT(WRPROTECT, status, i);
+        STATUS_TO_TEXT(CARD_REMOVE_A, status, i);
+        STATUS_TO_TEXT(CARD_INSERT_A, status, i);
+        STATUS_TO_TEXT(SIGSTATE_A, status, i);
+        STATUS_TO_TEXT(CMD_IDX_ERR, status, i);
+        STATUS_TO_TEXT(STOPBIT_ERR, status, i);
+        STATUS_TO_TEXT(ILL_FUNC, status, i);
+        STATUS_TO_TEXT(CMD_BUSY, status, i);
+        STATUS_TO_TEXT(CMDRESPEND, status, i);
+        STATUS_TO_TEXT(DATAEND, status, i);
+        STATUS_TO_TEXT(CRCFAIL, status, i);
+        STATUS_TO_TEXT(DATATIMEOUT, status, i);
+        STATUS_TO_TEXT(CMDTIMEOUT, status, i);
+        STATUS_TO_TEXT(RXOVERFLOW, status, i);
+        STATUS_TO_TEXT(TXUNDERRUN, status, i);
+        STATUS_TO_TEXT(RXRDY, status, i);
+        STATUS_TO_TEXT(TXRQ, status, i);
+        STATUS_TO_TEXT(ILL_ACCESS, status, i);
+        printk("\n");
+}
+
+#else
+#define pr_debug_status(s)  do { } while (0)
+#endif
+
+static void tmio_mmc_enable_sdio_irq(struct mmc_host *mmc, int enable)
+{
+        struct tmio_mmc_host *host = mmc_priv(mmc);
+
+        if (enable) {
+                host->sdio_irq_enabled = 1;
+                sd_ctrl_write16(host, CTL_TRANSACTION_CTL, 0x0001);
+                sd_ctrl_write16(host, CTL_SDIO_IRQ_MASK,
+                        (TMIO_SDIO_MASK_ALL & ~TMIO_SDIO_STAT_IOIRQ));
+        } else {
+                sd_ctrl_write16(host, CTL_SDIO_IRQ_MASK, TMIO_SDIO_MASK_ALL);
+                sd_ctrl_write16(host, CTL_TRANSACTION_CTL, 0x0000);
+                host->sdio_irq_enabled = 0;
+        }
+}
+
+static void tmio_mmc_set_clock(struct tmio_mmc_host *host, int new_clock)
+{
+        u32 clk = 0, clock;
+
+        if (new_clock) {
+                for (clock = host->mmc->f_min, clk = 0x80000080;
+                        new_clock >= (clock<<1); clk >>= 1)
+                        clock <<= 1;
+                clk |= 0x100;
+        }
+
+        if (host->set_clk_div)
+                host->set_clk_div(host->pdev, (clk>>22) & 1);
+
+        sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, clk & 0x1ff);
+}
+
+static void tmio_mmc_clk_stop(struct tmio_mmc_host *host)
+{
+        struct resource *res = platform_get_resource(host->pdev, IORESOURCE_MEM, 0);
+
+        /* implicit BUG_ON(!res) */
+        if (resource_size(res) > 0x100) {
+                sd_ctrl_write16(host, CTL_CLK_AND_WAIT_CTL, 0x0000);
+                msleep(10);
+        }
+
+        sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, ~0x0100 &
+                sd_ctrl_read16(host, CTL_SD_CARD_CLK_CTL));
+        msleep(10);
+}
+
+static void tmio_mmc_clk_start(struct tmio_mmc_host *host)
+{
+        struct resource *res = platform_get_resource(host->pdev, IORESOURCE_MEM, 0);
+
+        sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, 0x0100 |
+                sd_ctrl_read16(host, CTL_SD_CARD_CLK_CTL));
+        msleep(10);
+
+        /* implicit BUG_ON(!res) */
+        if (resource_size(res) > 0x100) {
+                sd_ctrl_write16(host, CTL_CLK_AND_WAIT_CTL, 0x0100);
+                msleep(10);
+        }
+}
+
+static void tmio_mmc_reset(struct tmio_mmc_host *host)
+{
+        struct resource *res = platform_get_resource(host->pdev, IORESOURCE_MEM, 0);
+
+        /* FIXME - should we set stop clock reg here */
+        sd_ctrl_write16(host, CTL_RESET_SD, 0x0000);
+        /* implicit BUG_ON(!res) */
+        if (resource_size(res) > 0x100)
+                sd_ctrl_write16(host, CTL_RESET_SDIO, 0x0000);
+        msleep(10);
+        sd_ctrl_write16(host, CTL_RESET_SD, 0x0001);
+        if (resource_size(res) > 0x100)
+                sd_ctrl_write16(host, CTL_RESET_SDIO, 0x0001);
+        msleep(10);
+}
+
+static void tmio_mmc_reset_work(struct work_struct *work)
+{
+        struct tmio_mmc_host *host = container_of(work, struct tmio_mmc_host,
+                                                  delayed_reset_work.work);
+        struct mmc_request *mrq;
+        unsigned long flags;
+
+        spin_lock_irqsave(&host->lock, flags);
+        mrq = host->mrq;
+
+        /* request already finished */
+        if (!mrq
+            || time_is_after_jiffies(host->last_req_ts +
+                msecs_to_jiffies(2000))) {
+                spin_unlock_irqrestore(&host->lock, flags);
+                return;
+        }
+
+        dev_warn(&host->pdev->dev,
+                "timeout waiting for hardware interrupt (CMD%u)\n",
+                mrq->cmd->opcode);
+
+        if (host->data)
+                host->data->error = -ETIMEDOUT;
+        else if (host->cmd)
+                host->cmd->error = -ETIMEDOUT;
+        else
+                mrq->cmd->error = -ETIMEDOUT;
+
+        host->cmd = NULL;
+        host->data = NULL;
+        host->mrq = NULL;
+        host->force_pio = false;
+
+        spin_unlock_irqrestore(&host->lock, flags);
+
+        tmio_mmc_reset(host);
+
+        mmc_request_done(host->mmc, mrq);
+}
+
+static void tmio_mmc_finish_request(struct tmio_mmc_host *host)
+{
+        struct mmc_request *mrq = host->mrq;
+
+        if (!mrq)
+                return;
+
+        host->mrq = NULL;
+        host->cmd = NULL;
+        host->data = NULL;
+        host->force_pio = false;
+
+        cancel_delayed_work(&host->delayed_reset_work);
+
+        mmc_request_done(host->mmc, mrq);
+}
+
+/* These are the bitmasks the tmio chip requires to implement the MMC response
+ * types. Note that R1 and R6 are the same in this scheme. */
+#define APP_CMD        0x0040
+#define RESP_NONE      0x0300
+#define RESP_R1        0x0400
+#define RESP_R1B       0x0500
+#define RESP_R2        0x0600
+#define RESP_R3        0x0700
+#define DATA_PRESENT   0x0800
+#define TRANSFER_READ  0x1000
+#define TRANSFER_MULTI 0x2000
+#define SECURITY_CMD   0x4000
+
+static int tmio_mmc_start_command(struct tmio_mmc_host *host, struct mmc_command *cmd)
+{
+        struct mmc_data *data = host->data;
+        int c = cmd->opcode;
+
+        /* Command 12 is handled by hardware */
+        if (cmd->opcode == 12 && !cmd->arg) {
+                sd_ctrl_write16(host, CTL_STOP_INTERNAL_ACTION, 0x001);
+                return 0;
+        }
+
+        switch (mmc_resp_type(cmd)) {
+        case MMC_RSP_NONE: c |= RESP_NONE; break;
+        case MMC_RSP_R1:   c |= RESP_R1;   break;
+        case MMC_RSP_R1B:  c |= RESP_R1B;  break;
+        case MMC_RSP_R2:   c |= RESP_R2;   break;
+        case MMC_RSP_R3:   c |= RESP_R3;   break;
+        default:
+                pr_debug("Unknown response type %d\n", mmc_resp_type(cmd));
+                return -EINVAL;
+        }
+
+        host->cmd = cmd;
+
+/* FIXME - this seems to be ok commented out but the spec suggest this bit
+ *         should be set when issuing app commands.
+ *      if(cmd->flags & MMC_FLAG_ACMD)
+ *              c |= APP_CMD;
+ */
+        if (data) {
+                c |= DATA_PRESENT;
+                if (data->blocks > 1) {
+                        sd_ctrl_write16(host, CTL_STOP_INTERNAL_ACTION, 0x100);
+                        c |= TRANSFER_MULTI;
+                }
+                if (data->flags & MMC_DATA_READ)
+                        c |= TRANSFER_READ;
+        }
+
+        tmio_mmc_enable_mmc_irqs(host, TMIO_MASK_CMD);
+
+        /* Fire off the command */
+        sd_ctrl_write32(host, CTL_ARG_REG, cmd->arg);
+        sd_ctrl_write16(host, CTL_SD_CMD, c);
+
+        return 0;
+}
+
+/*
+ * This chip always returns (at least?) as much data as you ask for.
+ * I'm unsure what happens if you ask for less than a block. This should be
+ * looked into to ensure that a funny length read doesnt hose the controller.
+ */
+static void tmio_mmc_pio_irq(struct tmio_mmc_host *host)
+{
+        struct mmc_data *data = host->data;
+        void *sg_virt;
+        unsigned short *buf;
+        unsigned int count;
+        unsigned long flags;
+
+        if ((host->chan_tx || host->chan_rx) && !host->force_pio) {
+                pr_err("PIO IRQ in DMA mode!\n");
+                return;
+        } else if (!data) {
+                pr_debug("Spurious PIO IRQ\n");
+                return;
+        }
+
+        sg_virt = tmio_mmc_kmap_atomic(host->sg_ptr, &flags);
+        buf = (unsigned short *)(sg_virt + host->sg_off);
+
+        count = host->sg_ptr->length - host->sg_off;
+        if (count > data->blksz)
+                count = data->blksz;
+
+        pr_debug("count: %08x offset: %08x flags %08x\n",
+                 count, host->sg_off, data->flags);
+
+        /* Transfer the data */
+        if (data->flags & MMC_DATA_READ)
+                sd_ctrl_read16_rep(host, CTL_SD_DATA_PORT, buf, count >> 1);
+        else
+                sd_ctrl_write16_rep(host, CTL_SD_DATA_PORT, buf, count >> 1);
+
+        host->sg_off += count;
+
+        tmio_mmc_kunmap_atomic(host->sg_ptr, &flags, sg_virt);
+
+        if (host->sg_off == host->sg_ptr->length)
+                tmio_mmc_next_sg(host);
+
+        return;
+}
+
+static void tmio_mmc_check_bounce_buffer(struct tmio_mmc_host *host)
+{
+        if (host->sg_ptr == &host->bounce_sg) {
+                unsigned long flags;
+                void *sg_vaddr = tmio_mmc_kmap_atomic(host->sg_orig, &flags);
+                memcpy(sg_vaddr, host->bounce_buf, host->bounce_sg.length);
+                tmio_mmc_kunmap_atomic(host->sg_orig, &flags, sg_vaddr);
+        }
+}
+
+/* needs to be called with host->lock held */
+void tmio_mmc_do_data_irq(struct tmio_mmc_host *host)
+{
+        struct mmc_data *data = host->data;
+        struct mmc_command *stop;
+
+        host->data = NULL;
+
+        if (!data) {
+                dev_warn(&host->pdev->dev, "Spurious data end IRQ\n");
+                return;
+        }
+        stop = data->stop;
+
+        /* FIXME - return correct transfer count on errors */
+        if (!data->error)
+                data->bytes_xfered = data->blocks * data->blksz;
+        else
+                data->bytes_xfered = 0;
+
+        pr_debug("Completed data request\n");
+
+        /*
+         * FIXME: other drivers allow an optional stop command of any given type
+         *        which we dont do, as the chip can auto generate them.
+         *        Perhaps we can be smarter about when to use auto CMD12 and
+         *        only issue the auto request when we know this is the desired
+         *        stop command, allowing fallback to the stop command the
+         *        upper layers expect. For now, we do what works.
+         */
+
+        if (data->flags & MMC_DATA_READ) {
+                if (host->chan_rx && !host->force_pio)
+                        tmio_mmc_check_bounce_buffer(host);
+                dev_dbg(&host->pdev->dev, "Complete Rx request %p\n",
+                        host->mrq);
+        } else {
+                dev_dbg(&host->pdev->dev, "Complete Tx request %p\n",
+                        host->mrq);
+        }
+
+        if (stop) {
+                if (stop->opcode == 12 && !stop->arg)
+                        sd_ctrl_write16(host, CTL_STOP_INTERNAL_ACTION, 0x000);
+                else
+                        BUG();
+        }
+
+        tmio_mmc_finish_request(host);
+}
+
+static void tmio_mmc_data_irq(struct tmio_mmc_host *host)
+{
+        struct mmc_data *data;
+        spin_lock(&host->lock);
+        data = host->data;
+
+        if (!data)
+                goto out;
+
+        if (host->chan_tx && (data->flags & MMC_DATA_WRITE) && !host->force_pio) {
+                /*
+                 * Has all data been written out yet? Testing on SuperH showed,
+                 * that in most cases the first interrupt comes already with the
+                 * BUSY status bit clear, but on some operations, like mount or
+                 * in the beginning of a write / sync / umount, there is one
+                 * DATAEND interrupt with the BUSY bit set, in this cases
+                 * waiting for one more interrupt fixes the problem.
+                 */
+                if (!(sd_ctrl_read32(host, CTL_STATUS) & TMIO_STAT_CMD_BUSY)) {
+                        tmio_mmc_disable_mmc_irqs(host, TMIO_STAT_DATAEND);
+                        tasklet_schedule(&host->dma_complete);
+                }
+        } else if (host->chan_rx && (data->flags & MMC_DATA_READ) && !host->force_pio) {
+                tmio_mmc_disable_mmc_irqs(host, TMIO_STAT_DATAEND);
+                tasklet_schedule(&host->dma_complete);
+        } else {
+                tmio_mmc_do_data_irq(host);
+                tmio_mmc_disable_mmc_irqs(host, TMIO_MASK_READOP | TMIO_MASK_WRITEOP);
+        }
+out:
+        spin_unlock(&host->lock);
+}
+
+static void tmio_mmc_cmd_irq(struct tmio_mmc_host *host,
+        unsigned int stat)
+{
+        struct mmc_command *cmd = host->cmd;
+        int i, addr;
+
+        spin_lock(&host->lock);
+
+        if (!host->cmd) {
+                pr_debug("Spurious CMD irq\n");
+                goto out;
+        }
+
+        host->cmd = NULL;
+
+        /* This controller is sicker than the PXA one. Not only do we need to
+         * drop the top 8 bits of the first response word, we also need to
+         * modify the order of the response for short response command types.
+         */
+
+        for (i = 3, addr = CTL_RESPONSE ; i >= 0 ; i--, addr += 4)
+                cmd->resp[i] = sd_ctrl_read32(host, addr);
+
+        if (cmd->flags &  MMC_RSP_136) {
+                cmd->resp[0] = (cmd->resp[0] << 8) | (cmd->resp[1] >> 24);
+                cmd->resp[1] = (cmd->resp[1] << 8) | (cmd->resp[2] >> 24);
+                cmd->resp[2] = (cmd->resp[2] << 8) | (cmd->resp[3] >> 24);
+                cmd->resp[3] <<= 8;
+        } else if (cmd->flags & MMC_RSP_R3) {
+                cmd->resp[0] = cmd->resp[3];
+        }
+
+        if (stat & TMIO_STAT_CMDTIMEOUT)
+                cmd->error = -ETIMEDOUT;
+        else if (stat & TMIO_STAT_CRCFAIL && cmd->flags & MMC_RSP_CRC)
+                cmd->error = -EILSEQ;
+
+        /* If there is data to handle we enable data IRQs here, and
+         * we will ultimatley finish the request in the data_end handler.
+         * If theres no data or we encountered an error, finish now.
+         */
+        if (host->data && !cmd->error) {
+                if (host->data->flags & MMC_DATA_READ) {
+                        if (host->force_pio || !host->chan_rx)
+                                tmio_mmc_enable_mmc_irqs(host, TMIO_MASK_READOP);
+                        else
+                                tasklet_schedule(&host->dma_issue);
+                } else {
+                        if (host->force_pio || !host->chan_tx)
+                                tmio_mmc_enable_mmc_irqs(host, TMIO_MASK_WRITEOP);
+                        else
+                                tasklet_schedule(&host->dma_issue);
+                }
+        } else {
+                tmio_mmc_finish_request(host);
+        }
+
+out:
+        spin_unlock(&host->lock);
+}
+
+static irqreturn_t tmio_mmc_irq(int irq, void *devid)
+{
+        struct tmio_mmc_host *host = devid;
+        struct tmio_mmc_data *pdata = host->pdata;
+        unsigned int ireg, irq_mask, status;
+        unsigned int sdio_ireg, sdio_irq_mask, sdio_status;
+
+        pr_debug("MMC IRQ begin\n");
+
+        status = sd_ctrl_read32(host, CTL_STATUS);
+        irq_mask = sd_ctrl_read32(host, CTL_IRQ_MASK);
+        ireg = status & TMIO_MASK_IRQ & ~irq_mask;
+
+        sdio_ireg = 0;
+        if (!ireg && pdata->flags & TMIO_MMC_SDIO_IRQ) {
+                sdio_status = sd_ctrl_read16(host, CTL_SDIO_STATUS);
+                sdio_irq_mask = sd_ctrl_read16(host, CTL_SDIO_IRQ_MASK);
+                sdio_ireg = sdio_status & TMIO_SDIO_MASK_ALL & ~sdio_irq_mask;
+
+                sd_ctrl_write16(host, CTL_SDIO_STATUS, sdio_status & ~TMIO_SDIO_MASK_ALL);
+
+                if (sdio_ireg && !host->sdio_irq_enabled) {
+                        pr_warning("tmio_mmc: Spurious SDIO IRQ, disabling! 0x%04x 0x%04x 0x%04x\n",
+                                   sdio_status, sdio_irq_mask, sdio_ireg);
+                        tmio_mmc_enable_sdio_irq(host->mmc, 0);
+                        goto out;
+                }
+
+                if (host->mmc->caps & MMC_CAP_SDIO_IRQ &&
+                        sdio_ireg & TMIO_SDIO_STAT_IOIRQ)
+                        mmc_signal_sdio_irq(host->mmc);
+
+                if (sdio_ireg)
+                        goto out;
+        }
+
+        pr_debug_status(status);
+        pr_debug_status(ireg);
+
+        if (!ireg) {
+                tmio_mmc_disable_mmc_irqs(host, status & ~irq_mask);
+
+                pr_warning("tmio_mmc: Spurious irq, disabling! "
+                        "0x%08x 0x%08x 0x%08x\n", status, irq_mask, ireg);
+                pr_debug_status(status);
+
+                goto out;
+        }
+
+        while (ireg) {
+                /* Card insert / remove attempts */
+                if (ireg & (TMIO_STAT_CARD_INSERT | TMIO_STAT_CARD_REMOVE)) {
+                        tmio_mmc_ack_mmc_irqs(host, TMIO_STAT_CARD_INSERT |
+                                TMIO_STAT_CARD_REMOVE);
+                        mmc_detect_change(host->mmc, msecs_to_jiffies(100));
+                }
+
+                /* CRC and other errors */
+/*              if (ireg & TMIO_STAT_ERR_IRQ)
+ *                      handled |= tmio_error_irq(host, irq, stat);
+ */
+
+                /* Command completion */
+                if (ireg & (TMIO_STAT_CMDRESPEND | TMIO_STAT_CMDTIMEOUT)) {
+                        tmio_mmc_ack_mmc_irqs(host,
+                                     TMIO_STAT_CMDRESPEND |
+                                     TMIO_STAT_CMDTIMEOUT);
+                        tmio_mmc_cmd_irq(host, status);
+                }
+
+                /* Data transfer */
+                if (ireg & (TMIO_STAT_RXRDY | TMIO_STAT_TXRQ)) {
+                        tmio_mmc_ack_mmc_irqs(host, TMIO_STAT_RXRDY | TMIO_STAT_TXRQ);
+                        tmio_mmc_pio_irq(host);
+                }
+
+                /* Data transfer completion */
+                if (ireg & TMIO_STAT_DATAEND) {
+                        tmio_mmc_ack_mmc_irqs(host, TMIO_STAT_DATAEND);
+                        tmio_mmc_data_irq(host);
+                }
+
+                /* Check status - keep going until we've handled it all */
+                status = sd_ctrl_read32(host, CTL_STATUS);
+                irq_mask = sd_ctrl_read32(host, CTL_IRQ_MASK);
+                ireg = status & TMIO_MASK_IRQ & ~irq_mask;
+
+                pr_debug("Status at end of loop: %08x\n", status);
+                pr_debug_status(status);
+        }
+        pr_debug("MMC IRQ end\n");
+
+out:
+        return IRQ_HANDLED;
+}
+
+static int tmio_mmc_start_data(struct tmio_mmc_host *host,
+        struct mmc_data *data)
+{
+        struct tmio_mmc_data *pdata = host->pdata;
+
+        pr_debug("setup data transfer: blocksize %08x  nr_blocks %d\n",
+                 data->blksz, data->blocks);
+
+        /* Some hardware cannot perform 2 byte requests in 4 bit mode */
+        if (host->mmc->ios.bus_width == MMC_BUS_WIDTH_4) {
+                int blksz_2bytes = pdata->flags & TMIO_MMC_BLKSZ_2BYTES;
+
+                if (data->blksz < 2 || (data->blksz < 4 && !blksz_2bytes)) {
+                        pr_err("%s: %d byte block unsupported in 4 bit mode\n",
+                               mmc_hostname(host->mmc), data->blksz);
+                        return -EINVAL;
+                }
+        }
+
+        tmio_mmc_init_sg(host, data);
+        host->data = data;
+
+        /* Set transfer length / blocksize */
+        sd_ctrl_write16(host, CTL_SD_XFER_LEN, data->blksz);
+        sd_ctrl_write16(host, CTL_XFER_BLK_COUNT, data->blocks);
+
+        tmio_mmc_start_dma(host, data);
+
+        return 0;
+}
+
+/* Process requests from the MMC layer */
+static void tmio_mmc_request(struct mmc_host *mmc, struct mmc_request *mrq)
+{
+        struct tmio_mmc_host *host = mmc_priv(mmc);
+        int ret;
+
+        if (host->mrq)
+                pr_debug("request not null\n");
+
+        host->last_req_ts = jiffies;
+        wmb();
+        host->mrq = mrq;
+
+        if (mrq->data) {
+                ret = tmio_mmc_start_data(host, mrq->data);
+                if (ret)
+                        goto fail;
+        }
+
+        ret = tmio_mmc_start_command(host, mrq->cmd);
+        if (!ret) {
+                schedule_delayed_work(&host->delayed_reset_work,
+                                      msecs_to_jiffies(2000));
+                return;
+        }
+
+fail:
+        host->mrq = NULL;
+        host->force_pio = false;
+        mrq->cmd->error = ret;
+        mmc_request_done(mmc, mrq);
+}
+
+/* Set MMC clock / power.
+ * Note: This controller uses a simple divider scheme therefore it cannot
+ * run a MMC card at full speed (20MHz). The max clock is 24MHz on SD, but as
+ * MMC wont run that fast, it has to be clocked at 12MHz which is the next
+ * slowest setting.
+ */
+static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
+{
+        struct tmio_mmc_host *host = mmc_priv(mmc);
+
+        if (ios->clock)
+                tmio_mmc_set_clock(host, ios->clock);
+
+        /* Power sequence - OFF -> UP -> ON */
+        if (ios->power_mode == MMC_POWER_OFF || !ios->clock) {
+                /* power down SD bus */
+                if (ios->power_mode == MMC_POWER_OFF && host->set_pwr)
+                        host->set_pwr(host->pdev, 0);
+                tmio_mmc_clk_stop(host);
+        } else if (ios->power_mode == MMC_POWER_UP) {
+                /* power up SD bus */
+                if (host->set_pwr)
+                        host->set_pwr(host->pdev, 1);
+        } else {
+                /* start bus clock */
+                tmio_mmc_clk_start(host);
+        }
+
+        switch (ios->bus_width) {
+        case MMC_BUS_WIDTH_1:
+                sd_ctrl_write16(host, CTL_SD_MEM_CARD_OPT, 0x80e0);
+        break;
+        case MMC_BUS_WIDTH_4:
+                sd_ctrl_write16(host, CTL_SD_MEM_CARD_OPT, 0x00e0);
+        break;
+        }
+
+        /* Let things settle. delay taken from winCE driver */
+        udelay(140);
+}
+
+static int tmio_mmc_get_ro(struct mmc_host *mmc)
+{
+        struct tmio_mmc_host *host = mmc_priv(mmc);
+        struct tmio_mmc_data *pdata = host->pdata;
+
+        return ((pdata->flags & TMIO_MMC_WRPROTECT_DISABLE) ||
+                !(sd_ctrl_read32(host, CTL_STATUS) & TMIO_STAT_WRPROTECT));
+}
+
+static int tmio_mmc_get_cd(struct mmc_host *mmc)
+{
+        struct tmio_mmc_host *host = mmc_priv(mmc);
+        struct tmio_mmc_data *pdata = host->pdata;
+
+        if (!pdata->get_cd)
+                return -ENOSYS;
+        else
+                return pdata->get_cd(host->pdev);
+}
+
+static const struct mmc_host_ops tmio_mmc_ops = {
+        .request        = tmio_mmc_request,
+        .set_ios        = tmio_mmc_set_ios,
+        .get_ro         = tmio_mmc_get_ro,
+        .get_cd         = tmio_mmc_get_cd,
+        .enable_sdio_irq = tmio_mmc_enable_sdio_irq,
+};
+
+int __devinit tmio_mmc_host_probe(struct tmio_mmc_host **host,
+                                  struct platform_device *pdev,
+                                  struct tmio_mmc_data *pdata)
+{
+        struct tmio_mmc_host *_host;
+        struct mmc_host *mmc;
+        struct resource *res_ctl;
+        int ret;
+        u32 irq_mask = TMIO_MASK_CMD;
+
+        res_ctl = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        if (!res_ctl)
+                return -EINVAL;
+
+        mmc = mmc_alloc_host(sizeof(struct tmio_mmc_host), &pdev->dev);
+        if (!mmc)
+                return -ENOMEM;
+
+        _host = mmc_priv(mmc);
+        _host->pdata = pdata;
+        _host->mmc = mmc;
+        _host->pdev = pdev;
+        platform_set_drvdata(pdev, mmc);
+
+        _host->set_pwr = pdata->set_pwr;
+        _host->set_clk_div = pdata->set_clk_div;
+
+        /* SD control register space size is 0x200, 0x400 for bus_shift=1 */
+        _host->bus_shift = resource_size(res_ctl) >> 10;
+
+        _host->ctl = ioremap(res_ctl->start, resource_size(res_ctl));
+        if (!_host->ctl) {
+                ret = -ENOMEM;
+                goto host_free;
+        }
+
+        mmc->ops = &tmio_mmc_ops;
+        mmc->caps = MMC_CAP_4_BIT_DATA | pdata->capabilities;
+        mmc->f_max = pdata->hclk;
+        mmc->f_min = mmc->f_max / 512;
+        mmc->max_segs = 32;
+        mmc->max_blk_size = 512;
+        mmc->max_blk_count = (PAGE_CACHE_SIZE / mmc->max_blk_size) *
+                mmc->max_segs;
+        mmc->max_req_size = mmc->max_blk_size * mmc->max_blk_count;
+        mmc->max_seg_size = mmc->max_req_size;
+        if (pdata->ocr_mask)
+                mmc->ocr_avail = pdata->ocr_mask;
+        else
+                mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
+
+        tmio_mmc_clk_stop(_host);
+        tmio_mmc_reset(_host);
+
+        ret = platform_get_irq(pdev, 0);
+        if (ret < 0)
+                goto unmap_ctl;
+
+        _host->irq = ret;
+
+        tmio_mmc_disable_mmc_irqs(_host, TMIO_MASK_ALL);
+        if (pdata->flags & TMIO_MMC_SDIO_IRQ)
+                tmio_mmc_enable_sdio_irq(mmc, 0);
+
+        ret = request_irq(_host->irq, tmio_mmc_irq, IRQF_DISABLED |
+                IRQF_TRIGGER_FALLING, dev_name(&pdev->dev), _host);
+        if (ret)
+                goto unmap_ctl;
+
+        spin_lock_init(&_host->lock);
+
+        /* Init delayed work for request timeouts */
+        INIT_DELAYED_WORK(&_host->delayed_reset_work, tmio_mmc_reset_work);
+
+        /* See if we also get DMA */
+        tmio_mmc_request_dma(_host, pdata);
+
+        mmc_add_host(mmc);
+
+        /* Unmask the IRQs we want to know about */
+        if (!_host->chan_rx)
+                irq_mask |= TMIO_MASK_READOP;
+        if (!_host->chan_tx)
+                irq_mask |= TMIO_MASK_WRITEOP;
+
+        tmio_mmc_enable_mmc_irqs(_host, irq_mask);
+
+        *host = _host;
+
+        return 0;
+
+unmap_ctl:
+        iounmap(_host->ctl);
+host_free:
+        mmc_free_host(mmc);
+
+        return ret;
+}
+EXPORT_SYMBOL(tmio_mmc_host_probe);
+
+void tmio_mmc_host_remove(struct tmio_mmc_host *host)
+{
+        mmc_remove_host(host->mmc);
+        cancel_delayed_work_sync(&host->delayed_reset_work);
+        tmio_mmc_release_dma(host);
+        free_irq(host->irq, host);
+        iounmap(host->ctl);
+        mmc_free_host(host->mmc);
+}
+EXPORT_SYMBOL(tmio_mmc_host_remove);
+
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/mmc/host/via-sdmmc.c b/drivers/mmc/host/via-sdmmc.c
index 8c5b4881ccd6..4dfe2c02ea91 100644
--- a/drivers/mmc/host/via-sdmmc.c
+++ b/drivers/mmc/host/via-sdmmc.c
@@ -1087,14 +1087,13 @@ static int __devinit via_sd_probe(struct pci_dev *pcidev,
         struct mmc_host *mmc;
         struct via_crdr_mmc_host *sdhost;
         u32 base, len;
-        u8 rev, gatt;
+        u8  gatt;
         int ret;
 
-        pci_read_config_byte(pcidev, PCI_CLASS_REVISION, &rev);
         pr_info(DRV_NAME
                 ": VIA SDMMC controller found at %s [%04x:%04x] (rev %x)\n",
                 pci_name(pcidev), (int)pcidev->vendor, (int)pcidev->device,
-                (int)rev);
+                (int)pcidev->revision);
 
         ret = pci_enable_device(pcidev);
         if (ret)
diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c
index 22abfb39d813..68d45ba2d9b9 100644
--- a/drivers/net/bfin_mac.c
+++ b/drivers/net/bfin_mac.c
@@ -1237,8 +1237,17 @@ static int bfin_mac_enable(struct phy_device *phydev)
 
         if (phydev->interface == PHY_INTERFACE_MODE_RMII) {
                 opmode |= RMII; /* For Now only 100MBit are supported */
-#if (defined(CONFIG_BF537) || defined(CONFIG_BF536)) && CONFIG_BF_REV_0_2
-                opmode |= TE;
+#if defined(CONFIG_BF537) || defined(CONFIG_BF536)
+                if (__SILICON_REVISION__ < 3) {
+                        /*
+                         * This isn't publicly documented (fun times!), but in
+                         * silicon <=0.2, the RX and TX pins are clocked together.
+                         * So in order to recv, we must enable the transmit side
+                         * as well.  This will cause a spurious TX interrupt too,
+                         * but we can easily consume that.
+                         */
+                        opmode |= TE;
+                }
 #endif
         }
 
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index d1865cc97313..8e6d618b5305 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -8317,7 +8317,7 @@ static const struct net_device_ops bnx2_netdev_ops = {
 #endif
 };
 
-static void inline vlan_features_add(struct net_device *dev, u32 flags)
+static inline void vlan_features_add(struct net_device *dev, u32 flags)
 {
         dev->vlan_features |= flags;
 }
diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c
index 110eda01843c..31552959aed7 100644
--- a/drivers/net/can/c_can/c_can.c
+++ b/drivers/net/can/c_can/c_can.c
@@ -588,14 +588,9 @@ static void c_can_chip_config(struct net_device *dev)
 {
         struct c_can_priv *priv = netdev_priv(dev);
 
-        if (priv->can.ctrlmode & CAN_CTRLMODE_ONE_SHOT)
-                /* disable automatic retransmission */
-                priv->write_reg(priv, &priv->regs->control,
-                                CONTROL_DISABLE_AR);
-        else
-                /* enable automatic retransmission */
-                priv->write_reg(priv, &priv->regs->control,
-                                CONTROL_ENABLE_AR);
+        /* enable automatic retransmission */
+        priv->write_reg(priv, &priv->regs->control,
+                        CONTROL_ENABLE_AR);
 
         if (priv->can.ctrlmode & (CAN_CTRLMODE_LISTENONLY &
                                         CAN_CTRLMODE_LOOPBACK)) {
@@ -704,7 +699,6 @@ static void c_can_do_tx(struct net_device *dev)
 
         for (/* nix */; (priv->tx_next - priv->tx_echo) > 0; priv->tx_echo++) {
                 msg_obj_no = get_tx_echo_msg_obj(priv);
-                c_can_inval_msg_object(dev, 0, msg_obj_no);
                 val = c_can_read_reg32(priv, &priv->regs->txrqst1);
                 if (!(val & (1 << msg_obj_no))) {
                         can_get_echo_skb(dev,
@@ -713,6 +707,7 @@ static void c_can_do_tx(struct net_device *dev)
                                         &priv->regs->ifregs[0].msg_cntrl)
                                         & IF_MCONT_DLC_MASK;
                         stats->tx_packets++;
+                        c_can_inval_msg_object(dev, 0, msg_obj_no);
                 }
         }
 
@@ -1112,8 +1107,7 @@ struct net_device *alloc_c_can_dev(void)
         priv->can.bittiming_const = &c_can_bittiming_const;
         priv->can.do_set_mode = c_can_set_mode;
         priv->can.do_get_berr_counter = c_can_get_berr_counter;
-        priv->can.ctrlmode_supported = CAN_CTRLMODE_ONE_SHOT |
-                                        CAN_CTRLMODE_LOOPBACK |
+        priv->can.ctrlmode_supported = CAN_CTRLMODE_LOOPBACK |
                                         CAN_CTRLMODE_LISTENONLY |
                                         CAN_CTRLMODE_BERR_REPORTING;
 
diff --git a/drivers/net/can/c_can/c_can_platform.c b/drivers/net/can/c_can/c_can_platform.c
index e629b961ae2d..cc90824f2c9c 100644
--- a/drivers/net/can/c_can/c_can_platform.c
+++ b/drivers/net/can/c_can/c_can_platform.c
@@ -73,7 +73,8 @@ static int __devinit c_can_plat_probe(struct platform_device *pdev)
         void __iomem *addr;
         struct net_device *dev;
         struct c_can_priv *priv;
-        struct resource *mem, *irq;
+        struct resource *mem;
+        int irq;
 #ifdef CONFIG_HAVE_CLK
         struct clk *clk;
 
@@ -88,8 +89,8 @@ static int __devinit c_can_plat_probe(struct platform_device *pdev)
 
         /* get the platform data */
         mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-        if (!mem || (irq <= 0)) {
+        irq = platform_get_irq(pdev, 0);
+        if (!mem || irq <= 0) {
                 ret = -ENODEV;
                 goto exit_free_clk;
         }
@@ -117,7 +118,7 @@ static int __devinit c_can_plat_probe(struct platform_device *pdev)
 
         priv = netdev_priv(dev);
 
-        dev->irq = irq->start;
+        dev->irq = irq;
         priv->regs = addr;
 #ifdef CONFIG_HAVE_CLK
         priv->can.clock.freq = clk_get_rate(clk);
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index 4d538a4e9d55..910893143295 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -1983,14 +1983,20 @@ static int set_coalesce(struct net_device *dev, struct ethtool_coalesce *c)
 {
         struct port_info *pi = netdev_priv(dev);
         struct adapter *adapter = pi->adapter;
-        struct qset_params *qsp = &adapter->params.sge.qset[0];
-        struct sge_qset *qs = &adapter->sge.qs[0];
+        struct qset_params *qsp;
+        struct sge_qset *qs;
+        int i;
 
         if (c->rx_coalesce_usecs * 10 > M_NEWTIMER)
                 return -EINVAL;
 
-        qsp->coalesce_usecs = c->rx_coalesce_usecs;
-        t3_update_qset_coalesce(qs, qsp);
+        for (i = 0; i < pi->nqsets; i++) {
+                qsp = &adapter->params.sge.qset[i];
+                qs = &adapter->sge.qs[i];
+                qsp->coalesce_usecs = c->rx_coalesce_usecs;
+                t3_update_qset_coalesce(qs, qsp);
+        }
+
         return 0;
 }
 
diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
index 317708113601..b7af5bab9937 100644
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -621,9 +621,9 @@ static int dm9000_set_wol(struct net_device *dev, struct ethtool_wolinfo *w)
                 /* change in wol state, update IRQ state */
 
                 if (!dm->wake_state)
-                        set_irq_wake(dm->irq_wake, 1);
+                        irq_set_irq_wake(dm->irq_wake, 1);
                 else if (dm->wake_state & !opts)
-                        set_irq_wake(dm->irq_wake, 0);
+                        irq_set_irq_wake(dm->irq_wake, 0);
         }
 
         dm->wake_state = opts;
@@ -1424,13 +1424,13 @@ dm9000_probe(struct platform_device *pdev)
                 } else {
 
                         /* test to see if irq is really wakeup capable */
-                        ret = set_irq_wake(db->irq_wake, 1);
+                        ret = irq_set_irq_wake(db->irq_wake, 1);
                         if (ret) {
                                 dev_err(db->dev, "irq %d cannot set wakeup (%d)\n",
                                         db->irq_wake, ret);
                                 ret = 0;
                         } else {
-                                set_irq_wake(db->irq_wake, 0);
+                                irq_set_irq_wake(db->irq_wake, 0);
                                 db->wake_supported = 1;
                         }
                 }
diff --git a/drivers/net/jme.c b/drivers/net/jme.c
index f690474f4409..994c80939c7a 100644
--- a/drivers/net/jme.c
+++ b/drivers/net/jme.c
@@ -273,7 +273,7 @@ jme_clear_pm(struct jme_adapter *jme)
 {
         jwrite32(jme, JME_PMCS, 0xFFFF0000 | jme->reg_pmcs);
         pci_set_power_state(jme->pdev, PCI_D0);
-        pci_enable_wake(jme->pdev, PCI_D0, false);
+        device_set_wakeup_enable(&jme->pdev->dev, false);
 }
 
 static int
@@ -2538,6 +2538,8 @@ jme_set_wol(struct net_device *netdev,
 
         jwrite32(jme, JME_PMCS, jme->reg_pmcs);
 
+        device_set_wakeup_enable(&jme->pdev->dev, jme->reg_pmcs);
+
         return 0;
 }
 
@@ -3172,9 +3174,9 @@ jme_shutdown(struct pci_dev *pdev)
 }
 
 #ifdef CONFIG_PM
-static int
-jme_suspend(struct pci_dev *pdev, pm_message_t state)
+static int jme_suspend(struct device *dev)
 {
+        struct pci_dev *pdev = to_pci_dev(dev);
         struct net_device *netdev = pci_get_drvdata(pdev);
         struct jme_adapter *jme = netdev_priv(netdev);
 
@@ -3206,22 +3208,18 @@ jme_suspend(struct pci_dev *pdev, pm_message_t state)
         tasklet_hi_enable(&jme->rxclean_task);
         tasklet_hi_enable(&jme->rxempty_task);
 
-        pci_save_state(pdev);
         jme_powersave_phy(jme);
-        pci_enable_wake(jme->pdev, PCI_D3hot, true);
-        pci_set_power_state(pdev, PCI_D3hot);
 
         return 0;
 }
 
-static int
-jme_resume(struct pci_dev *pdev)
+static int jme_resume(struct device *dev)
 {
+        struct pci_dev *pdev = to_pci_dev(dev);
         struct net_device *netdev = pci_get_drvdata(pdev);
         struct jme_adapter *jme = netdev_priv(netdev);
 
-        jme_clear_pm(jme);
-        pci_restore_state(pdev);
+        jwrite32(jme, JME_PMCS, 0xFFFF0000 | jme->reg_pmcs);
 
         jme_phy_on(jme);
         if (test_bit(JME_FLAG_SSET, &jme->flags))
@@ -3238,6 +3236,13 @@ jme_resume(struct pci_dev *pdev)
 
         return 0;
 }
+
+static SIMPLE_DEV_PM_OPS(jme_pm_ops, jme_suspend, jme_resume);
+#define JME_PM_OPS (&jme_pm_ops)
+
+#else
+
+#define JME_PM_OPS NULL
 #endif
 
 static DEFINE_PCI_DEVICE_TABLE(jme_pci_tbl) = {
@@ -3251,11 +3256,8 @@ static struct pci_driver jme_driver = {
         .id_table       = jme_pci_tbl,
         .probe          = jme_init_one,
         .remove         = __devexit_p(jme_remove_one),
-#ifdef CONFIG_PM
-        .suspend        = jme_suspend,
-        .resume         = jme_resume,
-#endif /* CONFIG_PM */
         .shutdown       = jme_shutdown,
+        .driver.pm      = JME_PM_OPS,
 };
 
 static int __init
diff --git a/drivers/net/ksz884x.c b/drivers/net/ksz884x.c
index 540a8dcbcc46..7f7d5708a658 100644
--- a/drivers/net/ksz884x.c
+++ b/drivers/net/ksz884x.c
@@ -4898,7 +4898,7 @@ static netdev_tx_t netdev_tx(struct sk_buff *skb, struct net_device *dev)
                                 goto unlock;
                         }
                         skb_copy_and_csum_dev(org_skb, skb->data);
-                        org_skb->ip_summed = 0;
+                        org_skb->ip_summed = CHECKSUM_NONE;
                         skb->len = org_skb->len;
                         copy_old_skb(org_skb, skb);
                 }
diff --git a/drivers/net/mlx4/en_netdev.c b/drivers/net/mlx4/en_netdev.c
index 5762ebde4455..4f158baa0246 100644
--- a/drivers/net/mlx4/en_netdev.c
+++ b/drivers/net/mlx4/en_netdev.c
@@ -742,6 +742,9 @@ int mlx4_en_start_port(struct net_device *dev)
                                   0, MLX4_PROT_ETH))
                 mlx4_warn(mdev, "Failed Attaching Broadcast\n");
 
+        /* Must redo promiscuous mode setup. */
+        priv->flags &= ~(MLX4_EN_FLAG_PROMISC | MLX4_EN_FLAG_MC_PROMISC);
+
         /* Schedule multicast task to populate multicast list */
         queue_work(mdev->workqueue, &priv->mcast_task);
 
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index 1f4e8680a96a..673dc600c891 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -1312,17 +1312,26 @@ myri10ge_unmap_rx_page(struct pci_dev *pdev,
                                  * page into an skb */
 
 static inline int
-myri10ge_rx_done(struct myri10ge_slice_state *ss, struct myri10ge_rx_buf *rx,
-                 int bytes, int len, __wsum csum)
+myri10ge_rx_done(struct myri10ge_slice_state *ss, int len, __wsum csum,
+                 int lro_enabled)
 {
         struct myri10ge_priv *mgp = ss->mgp;
         struct sk_buff *skb;
         struct skb_frag_struct rx_frags[MYRI10GE_MAX_FRAGS_PER_FRAME];
-        int i, idx, hlen, remainder;
+        struct myri10ge_rx_buf *rx;
+        int i, idx, hlen, remainder, bytes;
         struct pci_dev *pdev = mgp->pdev;
         struct net_device *dev = mgp->dev;
         u8 *va;
 
+        if (len <= mgp->small_bytes) {
+                rx = &ss->rx_small;
+                bytes = mgp->small_bytes;
+        } else {
+                rx = &ss->rx_big;
+                bytes = mgp->big_bytes;
+        }
+
         len += MXGEFW_PAD;
         idx = rx->cnt & rx->mask;
         va = page_address(rx->info[idx].page) + rx->info[idx].page_offset;
@@ -1341,7 +1350,7 @@ myri10ge_rx_done(struct myri10ge_slice_state *ss, struct myri10ge_rx_buf *rx,
                 remainder -= MYRI10GE_ALLOC_SIZE;
         }
 
-        if (dev->features & NETIF_F_LRO) {
+        if (lro_enabled) {
                 rx_frags[0].page_offset += MXGEFW_PAD;
                 rx_frags[0].size -= MXGEFW_PAD;
                 len -= MXGEFW_PAD;
@@ -1463,7 +1472,7 @@ myri10ge_clean_rx_done(struct myri10ge_slice_state *ss, int budget)
 {
         struct myri10ge_rx_done *rx_done = &ss->rx_done;
         struct myri10ge_priv *mgp = ss->mgp;
-        struct net_device *netdev = mgp->dev;
+
         unsigned long rx_bytes = 0;
         unsigned long rx_packets = 0;
         unsigned long rx_ok;
@@ -1474,18 +1483,18 @@ myri10ge_clean_rx_done(struct myri10ge_slice_state *ss, int budget)
         u16 length;
         __wsum checksum;
 
+        /*
+         * Prevent compiler from generating more than one ->features memory
+         * access to avoid theoretical race condition with functions that
+         * change NETIF_F_LRO flag at runtime.
+         */
+        bool lro_enabled = ACCESS_ONCE(mgp->dev->features) & NETIF_F_LRO;
+
         while (rx_done->entry[idx].length != 0 && work_done < budget) {
                 length = ntohs(rx_done->entry[idx].length);
                 rx_done->entry[idx].length = 0;
                 checksum = csum_unfold(rx_done->entry[idx].checksum);
-                if (length <= mgp->small_bytes)
-                        rx_ok = myri10ge_rx_done(ss, &ss->rx_small,
-                                                 mgp->small_bytes,
-                                                 length, checksum);
-                else
-                        rx_ok = myri10ge_rx_done(ss, &ss->rx_big,
-                                                 mgp->big_bytes,
-                                                 length, checksum);
+                rx_ok = myri10ge_rx_done(ss, length, checksum, lro_enabled);
                 rx_packets += rx_ok;
                 rx_bytes += rx_ok * (unsigned long)length;
                 cnt++;
@@ -1497,7 +1506,7 @@ myri10ge_clean_rx_done(struct myri10ge_slice_state *ss, int budget)
         ss->stats.rx_packets += rx_packets;
         ss->stats.rx_bytes += rx_bytes;
 
-        if (netdev->features & NETIF_F_LRO)
+        if (lro_enabled)
                 lro_flush_all(&rx_done->lro_mgr);
 
         /* restock receive rings if needed */
diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c
index 653d308e0f5d..3bdcc803ec68 100644
--- a/drivers/net/netxen/netxen_nic_ethtool.c
+++ b/drivers/net/netxen/netxen_nic_ethtool.c
@@ -871,7 +871,7 @@ static int netxen_nic_set_flags(struct net_device *netdev, u32 data)
         struct netxen_adapter *adapter = netdev_priv(netdev);
         int hw_lro;
 
-        if (data & ~ETH_FLAG_LRO)
+        if (ethtool_invalid_flags(netdev, data, ETH_FLAG_LRO))
                 return -EINVAL;
 
         if (!(adapter->capabilities & NX_FW_CAPABILITY_HW_LRO))
diff --git a/drivers/net/qlcnic/qlcnic_ethtool.c b/drivers/net/qlcnic/qlcnic_ethtool.c
index 4c14510e2a87..45b2755d6cba 100644
--- a/drivers/net/qlcnic/qlcnic_ethtool.c
+++ b/drivers/net/qlcnic/qlcnic_ethtool.c
@@ -1003,7 +1003,7 @@ static int qlcnic_set_flags(struct net_device *netdev, u32 data)
         struct qlcnic_adapter *adapter = netdev_priv(netdev);
         int hw_lro;
 
-        if (data & ~ETH_FLAG_LRO)
+        if (ethtool_invalid_flags(netdev, data, ETH_FLAG_LRO))
                 return -EINVAL;
 
         if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO))
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index 2ad6364103ea..356e74d20b80 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -6726,7 +6726,7 @@ static int s2io_ethtool_set_flags(struct net_device *dev, u32 data)
         int rc = 0;
         int changed = 0;
 
-        if (data & ~ETH_FLAG_LRO)
+        if (ethtool_invalid_flags(dev, data, ETH_FLAG_LRO))
                 return -EINVAL;
 
         if (data & ETH_FLAG_LRO) {
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index ebec88882c3b..73c942d85f07 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -48,9 +48,9 @@
 #include <net/ip.h>
 
 #include <asm/system.h>
-#include <asm/io.h>
+#include <linux/io.h>
 #include <asm/byteorder.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 
 #ifdef CONFIG_SPARC
 #include <asm/idprom.h>
@@ -13118,7 +13118,7 @@ done:
 
 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
 
-static void inline vlan_features_add(struct net_device *dev, unsigned long flags)
+static inline void vlan_features_add(struct net_device *dev, unsigned long flags)
 {
         dev->vlan_features |= flags;
 }
diff --git a/drivers/net/vmxnet3/vmxnet3_ethtool.c b/drivers/net/vmxnet3/vmxnet3_ethtool.c
index 81254be85b92..51f2ef142a5b 100644
--- a/drivers/net/vmxnet3/vmxnet3_ethtool.c
+++ b/drivers/net/vmxnet3/vmxnet3_ethtool.c
@@ -304,8 +304,8 @@ vmxnet3_set_flags(struct net_device *netdev, u32 data)
         u8 lro_present = (netdev->features & NETIF_F_LRO) == 0 ? 0 : 1;
         unsigned long flags;
 
-        if (data & ~ETH_FLAG_LRO)
-                return -EOPNOTSUPP;
+        if (ethtool_invalid_flags(netdev, data, ETH_FLAG_LRO))
+                return -EINVAL;
 
         if (lro_requested ^ lro_present) {
                 /* toggle the LRO feature*/
diff --git a/drivers/net/vxge/vxge-ethtool.c b/drivers/net/vxge/vxge-ethtool.c
index 1dd3a21b3a43..c5eb034107fd 100644
--- a/drivers/net/vxge/vxge-ethtool.c
+++ b/drivers/net/vxge/vxge-ethtool.c
@@ -1117,8 +1117,8 @@ static int vxge_set_flags(struct net_device *dev, u32 data)
         struct vxgedev *vdev = netdev_priv(dev);
         enum vxge_hw_status status;
 
-        if (data & ~ETH_FLAG_RXHASH)
-                return -EOPNOTSUPP;
+        if (ethtool_invalid_flags(dev, data, ETH_FLAG_RXHASH))
+                return -EINVAL;
 
         if (!!(data & ETH_FLAG_RXHASH) == vdev->devh->config.rth_en)
                 return 0;
diff --git a/drivers/net/wireless/p54/p54spi.c b/drivers/net/wireless/p54/p54spi.c
index 18d24b7b1e34..7ecc0bda57b3 100644
--- a/drivers/net/wireless/p54/p54spi.c
+++ b/drivers/net/wireless/p54/p54spi.c
@@ -649,8 +649,7 @@ static int __devinit p54spi_probe(struct spi_device *spi)
                 goto err_free_common;
         }
 
-        set_irq_type(gpio_to_irq(p54spi_gpio_irq),
-                     IRQ_TYPE_EDGE_RISING);
+        irq_set_irq_type(gpio_to_irq(p54spi_gpio_irq), IRQ_TYPE_EDGE_RISING);
 
         disable_irq(gpio_to_irq(p54spi_gpio_irq));
 
diff --git a/drivers/net/wireless/wl1251/sdio.c b/drivers/net/wireless/wl1251/sdio.c
index d550b5e68d3c..f51a0241a440 100644
--- a/drivers/net/wireless/wl1251/sdio.c
+++ b/drivers/net/wireless/wl1251/sdio.c
@@ -265,7 +265,7 @@ static int wl1251_sdio_probe(struct sdio_func *func,
                         goto disable;
                 }
 
-                set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING);
+                irq_set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING);
                 disable_irq(wl->irq);
 
                 wl1251_sdio_ops.enable_irq = wl1251_enable_line_irq;
diff --git a/drivers/net/wireless/wl1251/spi.c b/drivers/net/wireless/wl1251/spi.c
index ac872b38960f..af6448c4d3e2 100644
--- a/drivers/net/wireless/wl1251/spi.c
+++ b/drivers/net/wireless/wl1251/spi.c
@@ -286,7 +286,7 @@ static int __devinit wl1251_spi_probe(struct spi_device *spi)
                 goto out_free;
         }
 
-        set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING);
+        irq_set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING);
 
         disable_irq(wl->irq);
 
diff --git a/drivers/parisc/eisa.c b/drivers/parisc/eisa.c
index deeec32a5803..103095bbe8c0 100644
--- a/drivers/parisc/eisa.c
+++ b/drivers/parisc/eisa.c
@@ -340,7 +340,7 @@ static int __init eisa_probe(struct parisc_device *dev)
         /* Reserve IRQ2 */
         setup_irq(2, &irq2_action);
         for (i = 0; i < 16; i++) {
-                set_irq_chip_and_handler(i, &eisa_interrupt_type,
+                irq_set_chip_and_handler(i, &eisa_interrupt_type,
                                          handle_simple_irq);
         }
         
diff --git a/drivers/parisc/gsc.c b/drivers/parisc/gsc.c
index ef31080cf591..1bab5a2cd359 100644
--- a/drivers/parisc/gsc.c
+++ b/drivers/parisc/gsc.c
@@ -152,8 +152,8 @@ int gsc_assign_irq(struct irq_chip *type, void *data)
         if (irq > GSC_IRQ_MAX)
                 return NO_IRQ;
 
-        set_irq_chip_and_handler(irq, type, handle_simple_irq);
-        set_irq_chip_data(irq, data);
+        irq_set_chip_and_handler(irq, type, handle_simple_irq);
+        irq_set_chip_data(irq, data);
 
         return irq++;
 }
diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c
index a4d8ff66a639..e3b76d409dee 100644
--- a/drivers/parisc/superio.c
+++ b/drivers/parisc/superio.c
@@ -355,7 +355,8 @@ int superio_fixup_irq(struct pci_dev *pcidev)
 #endif
 
         for (i = 0; i < 16; i++) {
-                set_irq_chip_and_handler(i, &superio_interrupt_type, handle_simple_irq);
+                irq_set_chip_and_handler(i, &superio_interrupt_type,
+                                         handle_simple_irq);
         }
 
         /*
diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index 09933eb9126b..12e02bf92c4a 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -1226,7 +1226,7 @@ const char *dmar_get_fault_reason(u8 fault_reason, int *fault_type)
 
 void dmar_msi_unmask(struct irq_data *data)
 {
-        struct intel_iommu *iommu = irq_data_get_irq_data(data);
+        struct intel_iommu *iommu = irq_data_get_irq_handler_data(data);
         unsigned long flag;
 
         /* unmask it */
@@ -1240,7 +1240,7 @@ void dmar_msi_unmask(struct irq_data *data)
 void dmar_msi_mask(struct irq_data *data)
 {
         unsigned long flag;
-        struct intel_iommu *iommu = irq_data_get_irq_data(data);
+        struct intel_iommu *iommu = irq_data_get_irq_handler_data(data);
 
         /* mask it */
         spin_lock_irqsave(&iommu->register_lock, flag);
@@ -1252,7 +1252,7 @@ void dmar_msi_mask(struct irq_data *data)
 
 void dmar_msi_write(int irq, struct msi_msg *msg)
 {
-        struct intel_iommu *iommu = get_irq_data(irq);
+        struct intel_iommu *iommu = irq_get_handler_data(irq);
         unsigned long flag;
 
         spin_lock_irqsave(&iommu->register_lock, flag);
@@ -1264,7 +1264,7 @@ void dmar_msi_write(int irq, struct msi_msg *msg)
 
 void dmar_msi_read(int irq, struct msi_msg *msg)
 {
-        struct intel_iommu *iommu = get_irq_data(irq);
+        struct intel_iommu *iommu = irq_get_handler_data(irq);
         unsigned long flag;
 
         spin_lock_irqsave(&iommu->register_lock, flag);
@@ -1382,12 +1382,12 @@ int dmar_set_interrupt(struct intel_iommu *iommu)
                 return -EINVAL;
         }
 
-        set_irq_data(irq, iommu);
+        irq_set_handler_data(irq, iommu);
         iommu->irq = irq;
 
         ret = arch_setup_dmar_msi(irq);
         if (ret) {
-                set_irq_data(irq, NULL);
+                irq_set_handler_data(irq, NULL);
                 iommu->irq = 0;
                 destroy_irq(irq);
                 return ret;
diff --git a/drivers/pci/htirq.c b/drivers/pci/htirq.c
index 834842aa5bbf..db057b6fe0c8 100644
--- a/drivers/pci/htirq.c
+++ b/drivers/pci/htirq.c
@@ -34,7 +34,7 @@ struct ht_irq_cfg {
 
 void write_ht_irq_msg(unsigned int irq, struct ht_irq_msg *msg)
 {
-        struct ht_irq_cfg *cfg = get_irq_data(irq);
+        struct ht_irq_cfg *cfg = irq_get_handler_data(irq);
         unsigned long flags;
         spin_lock_irqsave(&ht_irq_lock, flags);
         if (cfg->msg.address_lo != msg->address_lo) {
@@ -53,13 +53,13 @@ void write_ht_irq_msg(unsigned int irq, struct ht_irq_msg *msg)
 
 void fetch_ht_irq_msg(unsigned int irq, struct ht_irq_msg *msg)
 {
-        struct ht_irq_cfg *cfg = get_irq_data(irq);
+        struct ht_irq_cfg *cfg = irq_get_handler_data(irq);
         *msg = cfg->msg;
 }
 
 void mask_ht_irq(struct irq_data *data)
 {
-        struct ht_irq_cfg *cfg = irq_data_get_irq_data(data);
+        struct ht_irq_cfg *cfg = irq_data_get_irq_handler_data(data);
         struct ht_irq_msg msg = cfg->msg;
 
         msg.address_lo |= 1;
@@ -68,7 +68,7 @@ void mask_ht_irq(struct irq_data *data)
 
 void unmask_ht_irq(struct irq_data *data)
 {
-        struct ht_irq_cfg *cfg = irq_data_get_irq_data(data);
+        struct ht_irq_cfg *cfg = irq_data_get_irq_handler_data(data);
         struct ht_irq_msg msg = cfg->msg;
 
         msg.address_lo &= ~1;
@@ -126,7 +126,7 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update)
                 kfree(cfg);
                 return -EBUSY;
         }
-        set_irq_data(irq, cfg);
+        irq_set_handler_data(irq, cfg);
 
         if (arch_setup_ht_irq(irq, dev) < 0) {
                 ht_destroy_irq(irq);
@@ -162,9 +162,9 @@ void ht_destroy_irq(unsigned int irq)
 {
         struct ht_irq_cfg *cfg;
 
-        cfg = get_irq_data(irq);
-        set_irq_chip(irq, NULL);
-        set_irq_data(irq, NULL);
+        cfg = irq_get_handler_data(irq);
+        irq_set_chip(irq, NULL);
+        irq_set_handler_data(irq, NULL);
         destroy_irq(irq);
 
         kfree(cfg);
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index a4115f1afe1f..7da3bef60d87 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -1206,7 +1206,7 @@ void free_dmar_iommu(struct intel_iommu *iommu)
                 iommu_disable_translation(iommu);
 
         if (iommu->irq) {
-                set_irq_data(iommu->irq, NULL);
+                irq_set_handler_data(iommu->irq, NULL);
                 /* This will mask the irq */
                 free_irq(iommu->irq, iommu);
                 destroy_irq(iommu->irq);
diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c
index ec87cd66f3eb..a22557b20283 100644
--- a/drivers/pci/intr_remapping.c
+++ b/drivers/pci/intr_remapping.c
@@ -50,7 +50,7 @@ static DEFINE_SPINLOCK(irq_2_ir_lock);
 
 static struct irq_2_iommu *irq_2_iommu(unsigned int irq)
 {
-        struct irq_cfg *cfg = get_irq_chip_data(irq);
+        struct irq_cfg *cfg = irq_get_chip_data(irq);
         return cfg ? &cfg->irq_2_iommu : NULL;
 }
 
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 44b0aeee83e5..2f10328bf661 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -236,7 +236,7 @@ void __read_msi_msg(struct msi_desc *entry, struct msi_msg *msg)
 
 void read_msi_msg(unsigned int irq, struct msi_msg *msg)
 {
-        struct msi_desc *entry = get_irq_msi(irq);
+        struct msi_desc *entry = irq_get_msi_desc(irq);
 
         __read_msi_msg(entry, msg);
 }
@@ -253,7 +253,7 @@ void __get_cached_msi_msg(struct msi_desc *entry, struct msi_msg *msg)
 
 void get_cached_msi_msg(unsigned int irq, struct msi_msg *msg)
 {
-        struct msi_desc *entry = get_irq_msi(irq);
+        struct msi_desc *entry = irq_get_msi_desc(irq);
 
         __get_cached_msi_msg(entry, msg);
 }
@@ -297,7 +297,7 @@ void __write_msi_msg(struct msi_desc *entry, struct msi_msg *msg)
 
 void write_msi_msg(unsigned int irq, struct msi_msg *msg)
 {
-        struct msi_desc *entry = get_irq_msi(irq);
+        struct msi_desc *entry = irq_get_msi_desc(irq);
 
         __write_msi_msg(entry, msg);
 }
@@ -354,7 +354,7 @@ static void __pci_restore_msi_state(struct pci_dev *dev)
         if (!dev->msi_enabled)
                 return;
 
-        entry = get_irq_msi(dev->irq);
+        entry = irq_get_msi_desc(dev->irq);
         pos = entry->msi_attrib.pos;
 
         pci_intx_for_msi(dev, 0);
@@ -519,7 +519,7 @@ static void msix_program_entries(struct pci_dev *dev,
                                                 PCI_MSIX_ENTRY_VECTOR_CTRL;
 
                 entries[i].vector = entry->irq;
-                set_irq_msi(entry->irq, entry);
+                irq_set_msi_desc(entry->irq, entry);
                 entry->masked = readl(entry->mask_base + offset);
                 msix_mask_irq(entry, 1);
                 i++;
diff --git a/drivers/pcmcia/bfin_cf_pcmcia.c b/drivers/pcmcia/bfin_cf_pcmcia.c
index eae9cbe37a3e..49221395101e 100644
--- a/drivers/pcmcia/bfin_cf_pcmcia.c
+++ b/drivers/pcmcia/bfin_cf_pcmcia.c
@@ -235,7 +235,7 @@ static int __devinit bfin_cf_probe(struct platform_device *pdev)
         cf->irq = irq;
         cf->socket.pci_irq = irq;
 
-        set_irq_type(irq, IRQF_TRIGGER_LOW);
+        irq_set_irq_type(irq, IRQF_TRIGGER_LOW);
 
         io_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         attr_mem = platform_get_resource(pdev, IORESOURCE_MEM, 1);
diff --git a/drivers/pcmcia/db1xxx_ss.c b/drivers/pcmcia/db1xxx_ss.c
index 27575e6378a1..01757f18a208 100644
--- a/drivers/pcmcia/db1xxx_ss.c
+++ b/drivers/pcmcia/db1xxx_ss.c
@@ -181,7 +181,7 @@ static int db1x_pcmcia_setup_irqs(struct db1x_pcmcia_sock *sock)
                 /* all other (older) Db1x00 boards use a GPIO to show
                  * card detection status:  use both-edge triggers.
                  */
-                set_irq_type(sock->insert_irq, IRQ_TYPE_EDGE_BOTH);
+                irq_set_irq_type(sock->insert_irq, IRQ_TYPE_EDGE_BOTH);
                 ret = request_irq(sock->insert_irq, db1000_pcmcia_cdirq,
                                   0, "pcmcia_carddetect", sock);
 
diff --git a/drivers/pcmcia/pxa2xx_colibri.c b/drivers/pcmcia/pxa2xx_colibri.c
index a52039564e74..443cb7fc872d 100644
--- a/drivers/pcmcia/pxa2xx_colibri.c
+++ b/drivers/pcmcia/pxa2xx_colibri.c
@@ -34,14 +34,24 @@
 #define COLIBRI320_DETECT_GPIO  81
 #define COLIBRI320_READY_GPIO   29
 
-static struct {
-        int     reset_gpio;
-        int     ppen_gpio;
-        int     bvd1_gpio;
-        int     bvd2_gpio;
-        int     detect_gpio;
-        int     ready_gpio;
-} colibri_pcmcia_gpio;
+enum {
+        DETECT = 0,
+        READY = 1,
+        BVD1 = 2,
+        BVD2 = 3,
+        PPEN = 4,
+        RESET = 5,
+};
+
+/* Contents of this array are configured on-the-fly in init function */
+static struct gpio colibri_pcmcia_gpios[] = {
+        { 0,    GPIOF_IN,       "PCMCIA Detect" },
+        { 0,    GPIOF_IN,       "PCMCIA Ready" },
+        { 0,    GPIOF_IN,       "PCMCIA BVD1" },
+        { 0,    GPIOF_IN,       "PCMCIA BVD2" },
+        { 0,    GPIOF_INIT_LOW, "PCMCIA PPEN" },
+        { 0,    GPIOF_INIT_HIGH,"PCMCIA Reset" },
+};
 
 static struct pcmcia_irqs colibri_irqs[] = {
         {
@@ -54,88 +64,42 @@ static int colibri_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
 {
         int ret;
 
-        ret = gpio_request(colibri_pcmcia_gpio.detect_gpio, "DETECT");
+        ret = gpio_request_array(colibri_pcmcia_gpios,
+                                ARRAY_SIZE(colibri_pcmcia_gpios));
         if (ret)
                 goto err1;
-        ret = gpio_direction_input(colibri_pcmcia_gpio.detect_gpio);
-        if (ret)
-                goto err2;
-
-        ret = gpio_request(colibri_pcmcia_gpio.ready_gpio, "READY");
-        if (ret)
-                goto err2;
-        ret = gpio_direction_input(colibri_pcmcia_gpio.ready_gpio);
-        if (ret)
-                goto err3;
 
-        ret = gpio_request(colibri_pcmcia_gpio.bvd1_gpio, "BVD1");
-        if (ret)
-                goto err3;
-        ret = gpio_direction_input(colibri_pcmcia_gpio.bvd1_gpio);
-        if (ret)
-                goto err4;
+        colibri_irqs[0].irq = gpio_to_irq(colibri_pcmcia_gpios[DETECT].gpio);
+        skt->socket.pci_irq = gpio_to_irq(colibri_pcmcia_gpios[READY].gpio);
 
-        ret = gpio_request(colibri_pcmcia_gpio.bvd2_gpio, "BVD2");
-        if (ret)
-                goto err4;
-        ret = gpio_direction_input(colibri_pcmcia_gpio.bvd2_gpio);
-        if (ret)
-                goto err5;
-
-        ret = gpio_request(colibri_pcmcia_gpio.ppen_gpio, "PPEN");
-        if (ret)
-                goto err5;
-        ret = gpio_direction_output(colibri_pcmcia_gpio.ppen_gpio, 0);
-        if (ret)
-                goto err6;
-
-        ret = gpio_request(colibri_pcmcia_gpio.reset_gpio, "RESET");
-        if (ret)
-                goto err6;
-        ret = gpio_direction_output(colibri_pcmcia_gpio.reset_gpio, 1);
+        ret = soc_pcmcia_request_irqs(skt, colibri_irqs,
+                                        ARRAY_SIZE(colibri_irqs));
         if (ret)
-                goto err7;
-
-        colibri_irqs[0].irq = gpio_to_irq(colibri_pcmcia_gpio.detect_gpio);
-        skt->socket.pci_irq = gpio_to_irq(colibri_pcmcia_gpio.ready_gpio);
+                goto err2;
 
-        return soc_pcmcia_request_irqs(skt, colibri_irqs,
-                                        ARRAY_SIZE(colibri_irqs));
+        return ret;
 
-err7:
-        gpio_free(colibri_pcmcia_gpio.detect_gpio);
-err6:
-        gpio_free(colibri_pcmcia_gpio.ready_gpio);
-err5:
-        gpio_free(colibri_pcmcia_gpio.bvd1_gpio);
-err4:
-        gpio_free(colibri_pcmcia_gpio.bvd2_gpio);
-err3:
-        gpio_free(colibri_pcmcia_gpio.reset_gpio);
 err2:
-        gpio_free(colibri_pcmcia_gpio.ppen_gpio);
+        gpio_free_array(colibri_pcmcia_gpios,
+                        ARRAY_SIZE(colibri_pcmcia_gpios));
 err1:
         return ret;
 }
 
 static void colibri_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
 {
-        gpio_free(colibri_pcmcia_gpio.detect_gpio);
-        gpio_free(colibri_pcmcia_gpio.ready_gpio);
-        gpio_free(colibri_pcmcia_gpio.bvd1_gpio);
-        gpio_free(colibri_pcmcia_gpio.bvd2_gpio);
-        gpio_free(colibri_pcmcia_gpio.reset_gpio);
-        gpio_free(colibri_pcmcia_gpio.ppen_gpio);
+        gpio_free_array(colibri_pcmcia_gpios,
+                        ARRAY_SIZE(colibri_pcmcia_gpios));
 }
 
 static void colibri_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
                                         struct pcmcia_state *state)
 {
 
-        state->detect = !!gpio_get_value(colibri_pcmcia_gpio.detect_gpio);
-        state->ready  = !!gpio_get_value(colibri_pcmcia_gpio.ready_gpio);
-        state->bvd1   = !!gpio_get_value(colibri_pcmcia_gpio.bvd1_gpio);
-        state->bvd2   = !!gpio_get_value(colibri_pcmcia_gpio.bvd2_gpio);
+        state->detect = !!gpio_get_value(colibri_pcmcia_gpios[DETECT].gpio);
+        state->ready  = !!gpio_get_value(colibri_pcmcia_gpios[READY].gpio);
+        state->bvd1   = !!gpio_get_value(colibri_pcmcia_gpios[BVD1].gpio);
+        state->bvd2   = !!gpio_get_value(colibri_pcmcia_gpios[BVD2].gpio);
         state->wrprot = 0;
         state->vs_3v  = 1;
         state->vs_Xv  = 0;
@@ -145,9 +109,10 @@ static int
 colibri_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
                                 const socket_state_t *state)
 {
-        gpio_set_value(colibri_pcmcia_gpio.ppen_gpio,
+        gpio_set_value(colibri_pcmcia_gpios[PPEN].gpio,
                         !(state->Vcc == 33 && state->Vpp < 50));
-        gpio_set_value(colibri_pcmcia_gpio.reset_gpio, state->flags & SS_RESET);
+        gpio_set_value(colibri_pcmcia_gpios[RESET].gpio,
+                        state->flags & SS_RESET);
         return 0;
 }
 
@@ -190,20 +155,20 @@ static int __init colibri_pcmcia_init(void)
 
         /* Colibri PXA270 */
         if (machine_is_colibri()) {
-                colibri_pcmcia_gpio.reset_gpio  = COLIBRI270_RESET_GPIO;
-                colibri_pcmcia_gpio.ppen_gpio   = COLIBRI270_PPEN_GPIO;
-                colibri_pcmcia_gpio.bvd1_gpio   = COLIBRI270_BVD1_GPIO;
-                colibri_pcmcia_gpio.bvd2_gpio   = COLIBRI270_BVD2_GPIO;
-                colibri_pcmcia_gpio.detect_gpio = COLIBRI270_DETECT_GPIO;
-                colibri_pcmcia_gpio.ready_gpio  = COLIBRI270_READY_GPIO;
+                colibri_pcmcia_gpios[RESET].gpio        = COLIBRI270_RESET_GPIO;
+                colibri_pcmcia_gpios[PPEN].gpio         = COLIBRI270_PPEN_GPIO;
+                colibri_pcmcia_gpios[BVD1].gpio         = COLIBRI270_BVD1_GPIO;
+                colibri_pcmcia_gpios[BVD2].gpio         = COLIBRI270_BVD2_GPIO;
+                colibri_pcmcia_gpios[DETECT].gpio       = COLIBRI270_DETECT_GPIO;
+                colibri_pcmcia_gpios[READY].gpio        = COLIBRI270_READY_GPIO;
         /* Colibri PXA320 */
         } else if (machine_is_colibri320()) {
-                colibri_pcmcia_gpio.reset_gpio  = COLIBRI320_RESET_GPIO;
-                colibri_pcmcia_gpio.ppen_gpio   = COLIBRI320_PPEN_GPIO;
-                colibri_pcmcia_gpio.bvd1_gpio   = COLIBRI320_BVD1_GPIO;
-                colibri_pcmcia_gpio.bvd2_gpio   = COLIBRI320_BVD2_GPIO;
-                colibri_pcmcia_gpio.detect_gpio = COLIBRI320_DETECT_GPIO;
-                colibri_pcmcia_gpio.ready_gpio  = COLIBRI320_READY_GPIO;
+                colibri_pcmcia_gpios[RESET].gpio        = COLIBRI320_RESET_GPIO;
+                colibri_pcmcia_gpios[PPEN].gpio         = COLIBRI320_PPEN_GPIO;
+                colibri_pcmcia_gpios[BVD1].gpio         = COLIBRI320_BVD1_GPIO;
+                colibri_pcmcia_gpios[BVD2].gpio         = COLIBRI320_BVD2_GPIO;
+                colibri_pcmcia_gpios[DETECT].gpio       = COLIBRI320_DETECT_GPIO;
+                colibri_pcmcia_gpios[READY].gpio        = COLIBRI320_READY_GPIO;
         }
 
         ret = platform_device_add_data(colibri_pcmcia_device,
diff --git a/drivers/pcmcia/pxa2xx_palmld.c b/drivers/pcmcia/pxa2xx_palmld.c
index 6fb6f7f0672e..69f73670949a 100644
--- a/drivers/pcmcia/pxa2xx_palmld.c
+++ b/drivers/pcmcia/pxa2xx_palmld.c
@@ -4,7 +4,7 @@
  * Driver for Palm LifeDrive PCMCIA
  *
  * Copyright (C) 2006 Alex Osborne <ato@meshy.org>
- * Copyright (C) 2007-2008 Marek Vasut <marek.vasut@gmail.com>
+ * Copyright (C) 2007-2011 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
@@ -20,49 +20,27 @@
 #include <mach/palmld.h>
 #include "soc_common.h"
 
+static struct gpio palmld_pcmcia_gpios[] = {
+        { GPIO_NR_PALMLD_PCMCIA_POWER,  GPIOF_INIT_LOW, "PCMCIA Power" },
+        { GPIO_NR_PALMLD_PCMCIA_RESET,  GPIOF_INIT_HIGH,"PCMCIA Reset" },
+        { GPIO_NR_PALMLD_PCMCIA_READY,  GPIOF_IN,       "PCMCIA Ready" },
+};
+
 static int palmld_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
 {
         int ret;
 
-        ret = gpio_request(GPIO_NR_PALMLD_PCMCIA_POWER, "PCMCIA PWR");
-        if (ret)
-                goto err1;
-        ret = gpio_direction_output(GPIO_NR_PALMLD_PCMCIA_POWER, 0);
-        if (ret)
-                goto err2;
-
-        ret = gpio_request(GPIO_NR_PALMLD_PCMCIA_RESET, "PCMCIA RST");
-        if (ret)
-                goto err2;
-        ret = gpio_direction_output(GPIO_NR_PALMLD_PCMCIA_RESET, 1);
-        if (ret)
-                goto err3;
-
-        ret = gpio_request(GPIO_NR_PALMLD_PCMCIA_READY, "PCMCIA RDY");
-        if (ret)
-                goto err3;
-        ret = gpio_direction_input(GPIO_NR_PALMLD_PCMCIA_READY);
-        if (ret)
-                goto err4;
+        ret = gpio_request_array(palmld_pcmcia_gpios,
+                                ARRAY_SIZE(palmld_pcmcia_gpios));
 
         skt->socket.pci_irq = IRQ_GPIO(GPIO_NR_PALMLD_PCMCIA_READY);
-        return 0;
 
-err4:
-        gpio_free(GPIO_NR_PALMLD_PCMCIA_READY);
-err3:
-        gpio_free(GPIO_NR_PALMLD_PCMCIA_RESET);
-err2:
-        gpio_free(GPIO_NR_PALMLD_PCMCIA_POWER);
-err1:
         return ret;
 }
 
 static void palmld_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
 {
-        gpio_free(GPIO_NR_PALMLD_PCMCIA_READY);
-        gpio_free(GPIO_NR_PALMLD_PCMCIA_RESET);
-        gpio_free(GPIO_NR_PALMLD_PCMCIA_POWER);
+        gpio_free_array(palmld_pcmcia_gpios, ARRAY_SIZE(palmld_pcmcia_gpios));
 }
 
 static void palmld_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
diff --git a/drivers/pcmcia/pxa2xx_palmtc.c b/drivers/pcmcia/pxa2xx_palmtc.c
index 459a232d66be..d0ad6a76bbde 100644
--- a/drivers/pcmcia/pxa2xx_palmtc.c
+++ b/drivers/pcmcia/pxa2xx_palmtc.c
@@ -4,7 +4,7 @@
  * Driver for Palm Tungsten|C PCMCIA
  *
  * Copyright (C) 2008 Alex Osborne <ato@meshy.org>
- * Copyright (C) 2009 Marek Vasut <marek.vasut@gmail.com>
+ * Copyright (C) 2009-2011 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
@@ -21,79 +21,30 @@
 #include <mach/palmtc.h>
 #include "soc_common.h"
 
+static struct gpio palmtc_pcmcia_gpios[] = {
+        { GPIO_NR_PALMTC_PCMCIA_POWER1, GPIOF_INIT_LOW, "PCMCIA Power 1" },
+        { GPIO_NR_PALMTC_PCMCIA_POWER2, GPIOF_INIT_LOW, "PCMCIA Power 2" },
+        { GPIO_NR_PALMTC_PCMCIA_POWER3, GPIOF_INIT_LOW, "PCMCIA Power 3" },
+        { GPIO_NR_PALMTC_PCMCIA_RESET,  GPIOF_INIT_HIGH,"PCMCIA Reset" },
+        { GPIO_NR_PALMTC_PCMCIA_READY,  GPIOF_IN,       "PCMCIA Ready" },
+        { GPIO_NR_PALMTC_PCMCIA_PWRREADY, GPIOF_IN,     "PCMCIA Power Ready" },
+};
+
 static int palmtc_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
 {
         int ret;
 
-        ret = gpio_request(GPIO_NR_PALMTC_PCMCIA_POWER1, "PCMCIA PWR1");
-        if (ret)
-                goto err1;
-        ret = gpio_direction_output(GPIO_NR_PALMTC_PCMCIA_POWER1, 0);
-        if (ret)
-                goto err2;
-
-        ret = gpio_request(GPIO_NR_PALMTC_PCMCIA_POWER2, "PCMCIA PWR2");
-        if (ret)
-                goto err2;
-        ret = gpio_direction_output(GPIO_NR_PALMTC_PCMCIA_POWER2, 0);
-        if (ret)
-                goto err3;
-
-        ret = gpio_request(GPIO_NR_PALMTC_PCMCIA_POWER3, "PCMCIA PWR3");
-        if (ret)
-                goto err3;
-        ret = gpio_direction_output(GPIO_NR_PALMTC_PCMCIA_POWER3, 0);
-        if (ret)
-                goto err4;
-
-        ret = gpio_request(GPIO_NR_PALMTC_PCMCIA_RESET, "PCMCIA RST");
-        if (ret)
-                goto err4;
-        ret = gpio_direction_output(GPIO_NR_PALMTC_PCMCIA_RESET, 1);
-        if (ret)
-                goto err5;
-
-        ret = gpio_request(GPIO_NR_PALMTC_PCMCIA_READY, "PCMCIA RDY");
-        if (ret)
-                goto err5;
-        ret = gpio_direction_input(GPIO_NR_PALMTC_PCMCIA_READY);
-        if (ret)
-                goto err6;
-
-        ret = gpio_request(GPIO_NR_PALMTC_PCMCIA_PWRREADY, "PCMCIA PWRRDY");
-        if (ret)
-                goto err6;
-        ret = gpio_direction_input(GPIO_NR_PALMTC_PCMCIA_PWRREADY);
-        if (ret)
-                goto err7;
+        ret = gpio_request_array(palmtc_pcmcia_gpios,
+                                ARRAY_SIZE(palmtc_pcmcia_gpios));
 
         skt->socket.pci_irq = IRQ_GPIO(GPIO_NR_PALMTC_PCMCIA_READY);
-        return 0;
 
-err7:
-        gpio_free(GPIO_NR_PALMTC_PCMCIA_PWRREADY);
-err6:
-        gpio_free(GPIO_NR_PALMTC_PCMCIA_READY);
-err5:
-        gpio_free(GPIO_NR_PALMTC_PCMCIA_RESET);
-err4:
-        gpio_free(GPIO_NR_PALMTC_PCMCIA_POWER3);
-err3:
-        gpio_free(GPIO_NR_PALMTC_PCMCIA_POWER2);
-err2:
-        gpio_free(GPIO_NR_PALMTC_PCMCIA_POWER1);
-err1:
         return ret;
 }
 
 static void palmtc_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
 {
-        gpio_free(GPIO_NR_PALMTC_PCMCIA_PWRREADY);
-        gpio_free(GPIO_NR_PALMTC_PCMCIA_READY);
-        gpio_free(GPIO_NR_PALMTC_PCMCIA_RESET);
-        gpio_free(GPIO_NR_PALMTC_PCMCIA_POWER3);
-        gpio_free(GPIO_NR_PALMTC_PCMCIA_POWER2);
-        gpio_free(GPIO_NR_PALMTC_PCMCIA_POWER1);
+        gpio_free_array(palmtc_pcmcia_gpios, ARRAY_SIZE(palmtc_pcmcia_gpios));
 }
 
 static void palmtc_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
diff --git a/drivers/pcmcia/pxa2xx_palmtx.c b/drivers/pcmcia/pxa2xx_palmtx.c
index b07b247a399f..1a2580450402 100644
--- a/drivers/pcmcia/pxa2xx_palmtx.c
+++ b/drivers/pcmcia/pxa2xx_palmtx.c
@@ -3,7 +3,7 @@
  *
  * Driver for Palm T|X PCMCIA
  *
- * Copyright (C) 2007-2008 Marek Vasut <marek.vasut@gmail.com>
+ * Copyright (C) 2007-2011 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
@@ -13,67 +13,34 @@
 
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <linux/gpio.h>
 
 #include <asm/mach-types.h>
-
-#include <mach/gpio.h>
 #include <mach/palmtx.h>
-
 #include "soc_common.h"
 
+static struct gpio palmtx_pcmcia_gpios[] = {
+        { GPIO_NR_PALMTX_PCMCIA_POWER1, GPIOF_INIT_LOW, "PCMCIA Power 1" },
+        { GPIO_NR_PALMTX_PCMCIA_POWER2, GPIOF_INIT_LOW, "PCMCIA Power 2" },
+        { GPIO_NR_PALMTX_PCMCIA_RESET,  GPIOF_INIT_HIGH,"PCMCIA Reset" },
+        { GPIO_NR_PALMTX_PCMCIA_READY,  GPIOF_IN,       "PCMCIA Ready" },
+};
+
 static int palmtx_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
 {
         int ret;
 
-        ret = gpio_request(GPIO_NR_PALMTX_PCMCIA_POWER1, "PCMCIA PWR1");
-        if (ret)
-                goto err1;
-        ret = gpio_direction_output(GPIO_NR_PALMTX_PCMCIA_POWER1, 0);
-        if (ret)
-                goto err2;
-
-        ret = gpio_request(GPIO_NR_PALMTX_PCMCIA_POWER2, "PCMCIA PWR2");
-        if (ret)
-                goto err2;
-        ret = gpio_direction_output(GPIO_NR_PALMTX_PCMCIA_POWER2, 0);
-        if (ret)
-                goto err3;
-
-        ret = gpio_request(GPIO_NR_PALMTX_PCMCIA_RESET, "PCMCIA RST");
-        if (ret)
-                goto err3;
-        ret = gpio_direction_output(GPIO_NR_PALMTX_PCMCIA_RESET, 1);
-        if (ret)
-                goto err4;
-
-        ret = gpio_request(GPIO_NR_PALMTX_PCMCIA_READY, "PCMCIA RDY");
-        if (ret)
-                goto err4;
-        ret = gpio_direction_input(GPIO_NR_PALMTX_PCMCIA_READY);
-        if (ret)
-                goto err5;
+        ret = gpio_request_array(palmtx_pcmcia_gpios,
+                                ARRAY_SIZE(palmtx_pcmcia_gpios));
 
         skt->socket.pci_irq = gpio_to_irq(GPIO_NR_PALMTX_PCMCIA_READY);
-        return 0;
 
-err5:
-        gpio_free(GPIO_NR_PALMTX_PCMCIA_READY);
-err4:
-        gpio_free(GPIO_NR_PALMTX_PCMCIA_RESET);
-err3:
-        gpio_free(GPIO_NR_PALMTX_PCMCIA_POWER2);
-err2:
-        gpio_free(GPIO_NR_PALMTX_PCMCIA_POWER1);
-err1:
         return ret;
 }
 
 static void palmtx_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
 {
-        gpio_free(GPIO_NR_PALMTX_PCMCIA_READY);
-        gpio_free(GPIO_NR_PALMTX_PCMCIA_RESET);
-        gpio_free(GPIO_NR_PALMTX_PCMCIA_POWER2);
-        gpio_free(GPIO_NR_PALMTX_PCMCIA_POWER1);
+        gpio_free_array(palmtx_pcmcia_gpios, ARRAY_SIZE(palmtx_pcmcia_gpios));
 }
 
 static void palmtx_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
diff --git a/drivers/pcmcia/pxa2xx_vpac270.c b/drivers/pcmcia/pxa2xx_vpac270.c
index 55627eccee8e..435002dfc3ca 100644
--- a/drivers/pcmcia/pxa2xx_vpac270.c
+++ b/drivers/pcmcia/pxa2xx_vpac270.c
@@ -3,8 +3,7 @@
  *
  * Driver for Voipac PXA270 PCMCIA and CF sockets
  *
- * Copyright (C) 2010
- * Marek Vasut <marek.vasut@gmail.com>
+ * Copyright (C) 2010-2011 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
@@ -22,6 +21,19 @@
 
 #include "soc_common.h"
 
+static struct gpio vpac270_pcmcia_gpios[] = {
+        { GPIO84_VPAC270_PCMCIA_CD,     GPIOF_IN,       "PCMCIA Card Detect" },
+        { GPIO35_VPAC270_PCMCIA_RDY,    GPIOF_IN,       "PCMCIA Ready" },
+        { GPIO107_VPAC270_PCMCIA_PPEN,  GPIOF_INIT_LOW, "PCMCIA PPEN" },
+        { GPIO11_VPAC270_PCMCIA_RESET,  GPIOF_INIT_LOW, "PCMCIA Reset" },
+};
+
+static struct gpio vpac270_cf_gpios[] = {
+        { GPIO17_VPAC270_CF_CD,         GPIOF_IN,       "CF Card Detect" },
+        { GPIO12_VPAC270_CF_RDY,        GPIOF_IN,       "CF Ready" },
+        { GPIO16_VPAC270_CF_RESET,      GPIOF_INIT_LOW, "CF Reset" },
+};
+
 static struct pcmcia_irqs cd_irqs[] = {
         {
                 .sock = 0,
@@ -40,96 +52,34 @@ static int vpac270_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
         int ret;
 
         if (skt->nr == 0) {
-                ret = gpio_request(GPIO84_VPAC270_PCMCIA_CD, "PCMCIA CD");
-                if (ret)
-                        goto err1;
-                ret = gpio_direction_input(GPIO84_VPAC270_PCMCIA_CD);
-                if (ret)
-                        goto err2;
-
-                ret = gpio_request(GPIO35_VPAC270_PCMCIA_RDY, "PCMCIA RDY");
-                if (ret)
-                        goto err2;
-                ret = gpio_direction_input(GPIO35_VPAC270_PCMCIA_RDY);
-                if (ret)
-                        goto err3;
-
-                ret = gpio_request(GPIO107_VPAC270_PCMCIA_PPEN, "PCMCIA PPEN");
-                if (ret)
-                        goto err3;
-                ret = gpio_direction_output(GPIO107_VPAC270_PCMCIA_PPEN, 0);
-                if (ret)
-                        goto err4;
-
-                ret = gpio_request(GPIO11_VPAC270_PCMCIA_RESET, "PCMCIA RESET");
-                if (ret)
-                        goto err4;
-                ret = gpio_direction_output(GPIO11_VPAC270_PCMCIA_RESET, 0);
-                if (ret)
-                        goto err5;
+                ret = gpio_request_array(vpac270_pcmcia_gpios,
+                                ARRAY_SIZE(vpac270_pcmcia_gpios));
 
                 skt->socket.pci_irq = gpio_to_irq(GPIO35_VPAC270_PCMCIA_RDY);
 
-                return soc_pcmcia_request_irqs(skt, &cd_irqs[0], 1);
-
-err5:
-                gpio_free(GPIO11_VPAC270_PCMCIA_RESET);
-err4:
-                gpio_free(GPIO107_VPAC270_PCMCIA_PPEN);
-err3:
-                gpio_free(GPIO35_VPAC270_PCMCIA_RDY);
-err2:
-                gpio_free(GPIO84_VPAC270_PCMCIA_CD);
-err1:
-                return ret;
-
+                if (!ret)
+                        ret = soc_pcmcia_request_irqs(skt, &cd_irqs[0], 1);
         } else {
-                ret = gpio_request(GPIO17_VPAC270_CF_CD, "CF CD");
-                if (ret)
-                        goto err6;
-                ret = gpio_direction_input(GPIO17_VPAC270_CF_CD);
-                if (ret)
-                        goto err7;
-
-                ret = gpio_request(GPIO12_VPAC270_CF_RDY, "CF RDY");
-                if (ret)
-                        goto err7;
-                ret = gpio_direction_input(GPIO12_VPAC270_CF_RDY);
-                if (ret)
-                        goto err8;
-
-                ret = gpio_request(GPIO16_VPAC270_CF_RESET, "CF RESET");
-                if (ret)
-                        goto err8;
-                ret = gpio_direction_output(GPIO16_VPAC270_CF_RESET, 0);
-                if (ret)
-                        goto err9;
+                ret = gpio_request_array(vpac270_cf_gpios,
+                                ARRAY_SIZE(vpac270_cf_gpios));
 
                 skt->socket.pci_irq = gpio_to_irq(GPIO12_VPAC270_CF_RDY);
 
-                return soc_pcmcia_request_irqs(skt, &cd_irqs[1], 1);
-
-err9:
-                gpio_free(GPIO16_VPAC270_CF_RESET);
-err8:
-                gpio_free(GPIO12_VPAC270_CF_RDY);
-err7:
-                gpio_free(GPIO17_VPAC270_CF_CD);
-err6:
-                return ret;
-
+                if (!ret)
+                        ret = soc_pcmcia_request_irqs(skt, &cd_irqs[1], 1);
         }
+
+        return ret;
 }
 
 static void vpac270_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
 {
-        gpio_free(GPIO11_VPAC270_PCMCIA_RESET);
-        gpio_free(GPIO107_VPAC270_PCMCIA_PPEN);
-        gpio_free(GPIO35_VPAC270_PCMCIA_RDY);
-        gpio_free(GPIO84_VPAC270_PCMCIA_CD);
-        gpio_free(GPIO16_VPAC270_CF_RESET);
-        gpio_free(GPIO12_VPAC270_CF_RDY);
-        gpio_free(GPIO17_VPAC270_CF_CD);
+        if (skt->nr == 0)
+                gpio_request_array(vpac270_pcmcia_gpios,
+                                        ARRAY_SIZE(vpac270_pcmcia_gpios));
+        else
+                gpio_request_array(vpac270_cf_gpios,
+                                        ARRAY_SIZE(vpac270_cf_gpios));
 }
 
 static void vpac270_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
diff --git a/drivers/pcmcia/sa1100_nanoengine.c b/drivers/pcmcia/sa1100_nanoengine.c
index 3d2652e2f5ae..93b9c9ba57c3 100644
--- a/drivers/pcmcia/sa1100_nanoengine.c
+++ b/drivers/pcmcia/sa1100_nanoengine.c
@@ -86,7 +86,7 @@ static int nanoengine_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
         GPDR &= ~nano_skts[i].input_pins;
         GPDR |= nano_skts[i].output_pins;
         GPCR = nano_skts[i].clear_outputs;
-        set_irq_type(nano_skts[i].transition_pins, IRQ_TYPE_EDGE_BOTH);
+        irq_set_irq_type(nano_skts[i].transition_pins, IRQ_TYPE_EDGE_BOTH);
         skt->socket.pci_irq = nano_skts[i].pci_irq;
 
         return soc_pcmcia_request_irqs(skt,
diff --git a/drivers/pcmcia/soc_common.c b/drivers/pcmcia/soc_common.c
index 5a9a392eacdf..768f9572a8c8 100644
--- a/drivers/pcmcia/soc_common.c
+++ b/drivers/pcmcia/soc_common.c
@@ -155,11 +155,11 @@ static int soc_common_pcmcia_config_skt(
                  */
                 if (skt->irq_state != 1 && state->io_irq) {
                         skt->irq_state = 1;
-                        set_irq_type(skt->socket.pci_irq,
-                                IRQ_TYPE_EDGE_FALLING);
+                        irq_set_irq_type(skt->socket.pci_irq,
+                                         IRQ_TYPE_EDGE_FALLING);
                 } else if (skt->irq_state == 1 && state->io_irq == 0) {
                         skt->irq_state = 0;
-                        set_irq_type(skt->socket.pci_irq, IRQ_TYPE_NONE);
+                        irq_set_irq_type(skt->socket.pci_irq, IRQ_TYPE_NONE);
                 }
 
                 skt->cs_state = *state;
@@ -537,7 +537,7 @@ int soc_pcmcia_request_irqs(struct soc_pcmcia_socket *skt,
                                   IRQF_DISABLED, irqs[i].str, skt);
                 if (res)
                         break;
-                set_irq_type(irqs[i].irq, IRQ_TYPE_NONE);
+                irq_set_irq_type(irqs[i].irq, IRQ_TYPE_NONE);
         }
 
         if (res) {
@@ -570,7 +570,7 @@ void soc_pcmcia_disable_irqs(struct soc_pcmcia_socket *skt,
 
         for (i = 0; i < nr; i++)
                 if (irqs[i].sock == skt->nr)
-                        set_irq_type(irqs[i].irq, IRQ_TYPE_NONE);
+                        irq_set_irq_type(irqs[i].irq, IRQ_TYPE_NONE);
 }
 EXPORT_SYMBOL(soc_pcmcia_disable_irqs);
 
@@ -581,8 +581,8 @@ void soc_pcmcia_enable_irqs(struct soc_pcmcia_socket *skt,
 
         for (i = 0; i < nr; i++)
                 if (irqs[i].sock == skt->nr) {
-                        set_irq_type(irqs[i].irq, IRQ_TYPE_EDGE_RISING);
-                        set_irq_type(irqs[i].irq, IRQ_TYPE_EDGE_BOTH);
+                        irq_set_irq_type(irqs[i].irq, IRQ_TYPE_EDGE_RISING);
+                        irq_set_irq_type(irqs[i].irq, IRQ_TYPE_EDGE_BOTH);
                 }
 }
 EXPORT_SYMBOL(soc_pcmcia_enable_irqs);
diff --git a/drivers/pcmcia/xxs1500_ss.c b/drivers/pcmcia/xxs1500_ss.c
index 3b67a1b6a197..379f4218857d 100644
--- a/drivers/pcmcia/xxs1500_ss.c
+++ b/drivers/pcmcia/xxs1500_ss.c
@@ -274,7 +274,7 @@ static int __devinit xxs1500_pcmcia_probe(struct platform_device *pdev)
          * edge detector.
          */
         irq = gpio_to_irq(GPIO_CDA);
-        set_irq_type(irq, IRQ_TYPE_EDGE_BOTH);
+        irq_set_irq_type(irq, IRQ_TYPE_EDGE_BOTH);
         ret = request_irq(irq, cdirq, 0, "pcmcia_carddetect", sock);
         if (ret) {
                 dev_err(&pdev->dev, "cannot setup cd irq\n");
diff --git a/drivers/platform/x86/intel_pmic_gpio.c b/drivers/platform/x86/intel_pmic_gpio.c
index 61433d492862..d653104b59cb 100644
--- a/drivers/platform/x86/intel_pmic_gpio.c
+++ b/drivers/platform/x86/intel_pmic_gpio.c
@@ -257,9 +257,11 @@ static int __devinit platform_pmic_gpio_probe(struct platform_device *pdev)
         }
 
         for (i = 0; i < 8; i++) {
-                set_irq_chip_and_handler_name(i + pg->irq_base, &pmic_irqchip,
-                                        handle_simple_irq, "demux");
-                set_irq_chip_data(i + pg->irq_base, pg);
+                irq_set_chip_and_handler_name(i + pg->irq_base,
+                                              &pmic_irqchip,
+                                              handle_simple_irq,
+                                              "demux");
+                irq_set_chip_data(i + pg->irq_base, pg);
         }
         return 0;
 err:
diff --git a/drivers/power/z2_battery.c b/drivers/power/z2_battery.c
index 2a9ab89f83b8..e5ced3a4c1ed 100644
--- a/drivers/power/z2_battery.c
+++ b/drivers/power/z2_battery.c
@@ -215,8 +215,8 @@ static int __devinit z2_batt_probe(struct i2c_client *client,
                 if (ret)
                         goto err2;
 
-                set_irq_type(gpio_to_irq(info->charge_gpio),
-                                IRQ_TYPE_EDGE_BOTH);
+                irq_set_irq_type(gpio_to_irq(info->charge_gpio),
+                                 IRQ_TYPE_EDGE_BOTH);
                 ret = request_irq(gpio_to_irq(info->charge_gpio),
                                 z2_charge_switch_irq, IRQF_DISABLED,
                                 "AC Detect", charger);
diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c
index e55dc1ac83ab..6ac55fd48413 100644
--- a/drivers/rtc/rtc-sh.c
+++ b/drivers/rtc/rtc-sh.c
@@ -782,11 +782,11 @@ static void sh_rtc_set_irq_wake(struct device *dev, int enabled)
         struct platform_device *pdev = to_platform_device(dev);
         struct sh_rtc *rtc = platform_get_drvdata(pdev);
 
-        set_irq_wake(rtc->periodic_irq, enabled);
+        irq_set_irq_wake(rtc->periodic_irq, enabled);
 
         if (rtc->carry_irq > 0) {
-                set_irq_wake(rtc->carry_irq, enabled);
-                set_irq_wake(rtc->alarm_irq, enabled);
+                irq_set_irq_wake(rtc->carry_irq, enabled);
+                irq_set_irq_wake(rtc->alarm_irq, enabled);
         }
 }
 
diff --git a/drivers/sh/intc/core.c b/drivers/sh/intc/core.c
index 5833afbf08d7..c6ca115c71df 100644
--- a/drivers/sh/intc/core.c
+++ b/drivers/sh/intc/core.c
@@ -63,7 +63,7 @@ void intc_set_prio_level(unsigned int irq, unsigned int level)
 
 static void intc_redirect_irq(unsigned int irq, struct irq_desc *desc)
 {
-        generic_handle_irq((unsigned int)get_irq_data(irq));
+        generic_handle_irq((unsigned int)irq_get_handler_data(irq));
 }
 
 static void __init intc_register_irq(struct intc_desc *desc,
@@ -116,9 +116,9 @@ static void __init intc_register_irq(struct intc_desc *desc,
         irq_data = irq_get_irq_data(irq);
 
         disable_irq_nosync(irq);
-        set_irq_chip_and_handler_name(irq, &d->chip,
-                                      handle_level_irq, "level");
-        set_irq_chip_data(irq, (void *)data[primary]);
+        irq_set_chip_and_handler_name(irq, &d->chip, handle_level_irq,
+                                      "level");
+        irq_set_chip_data(irq, (void *)data[primary]);
 
         /*
          * set priority level
@@ -340,9 +340,9 @@ int __init register_intc_controller(struct intc_desc *desc)
                         vect2->enum_id = 0;
 
                         /* redirect this interrupts to the first one */
-                        set_irq_chip(irq2, &dummy_irq_chip);
-                        set_irq_chained_handler(irq2, intc_redirect_irq);
-                        set_irq_data(irq2, (void *)irq);
+                        irq_set_chip(irq2, &dummy_irq_chip);
+                        irq_set_chained_handler(irq2, intc_redirect_irq);
+                        irq_set_handler_data(irq2, (void *)irq);
                 }
         }
 
@@ -387,19 +387,16 @@ static int intc_suspend(void)
                 /* enable wakeup irqs belonging to this intc controller */
                 for_each_active_irq(irq) {
                         struct irq_data *data;
-                        struct irq_desc *desc;
                         struct irq_chip *chip;
 
                         data = irq_get_irq_data(irq);
                         chip = irq_data_get_irq_chip(data);
                         if (chip != &d->chip)
                                 continue;
-                        desc = irq_to_desc(irq);
-                        if ((desc->status & IRQ_WAKEUP))
+                        if (irqd_is_wakeup_set(data))
                                 chip->irq_enable(data);
                 }
         }
-
         return 0;
 }
 
@@ -412,7 +409,6 @@ static void intc_resume(void)
 
                 for_each_active_irq(irq) {
                         struct irq_data *data;
-                        struct irq_desc *desc;
                         struct irq_chip *chip;
 
                         data = irq_get_irq_data(irq);
@@ -423,8 +419,7 @@ static void intc_resume(void)
                          */
                         if (chip != &d->chip)
                                 continue;
-                        desc = irq_to_desc(irq);
-                        if (desc->status & IRQ_DISABLED)
+                        if (irqd_irq_disabled(data))
                                 chip->irq_disable(data);
                         else
                                 chip->irq_enable(data);
diff --git a/drivers/sh/intc/internals.h b/drivers/sh/intc/internals.h
index df36a421e675..5b934851efa8 100644
--- a/drivers/sh/intc/internals.h
+++ b/drivers/sh/intc/internals.h
@@ -86,7 +86,7 @@ enum {	MODE_ENABLE_REG = 0, /* Bit(s) set -> interrupt enabled */
 
 static inline struct intc_desc_int *get_intc_desc(unsigned int irq)
 {
-        struct irq_chip *chip = get_irq_chip(irq);
+        struct irq_chip *chip = irq_get_chip(irq);
 
         return container_of(chip, struct intc_desc_int, chip);
 }
@@ -103,7 +103,7 @@ static inline void activate_irq(int irq)
         set_irq_flags(irq, IRQF_VALID);
 #else
         /* same effect on other architectures */
-        set_irq_noprobe(irq);
+        irq_set_noprobe(irq);
 #endif
 }
 
diff --git a/drivers/sh/intc/virq.c b/drivers/sh/intc/virq.c
index 4e0ff7181164..ce5f81d7cc6b 100644
--- a/drivers/sh/intc/virq.c
+++ b/drivers/sh/intc/virq.c
@@ -110,7 +110,7 @@ static void intc_virq_handler(unsigned int irq, struct irq_desc *desc)
 {
         struct irq_data *data = irq_get_irq_data(irq);
         struct irq_chip *chip = irq_data_get_irq_chip(data);
-        struct intc_virq_list *entry, *vlist = irq_data_get_irq_data(data);
+        struct intc_virq_list *entry, *vlist = irq_data_get_irq_handler_data(data);
         struct intc_desc_int *d = get_intc_desc(irq);
 
         chip->irq_mask_ack(data);
@@ -118,7 +118,7 @@ static void intc_virq_handler(unsigned int irq, struct irq_desc *desc)
         for_each_virq(entry, vlist) {
                 unsigned long addr, handle;
 
-                handle = (unsigned long)get_irq_data(entry->irq);
+                handle = (unsigned long)irq_get_handler_data(entry->irq);
                 addr = INTC_REG(d, _INTC_ADDR_E(handle), 0);
 
                 if (intc_reg_fns[_INTC_FN(handle)](addr, handle, 0))
@@ -229,13 +229,13 @@ restart:
 
                 intc_irq_xlate_set(irq, entry->enum_id, d);
 
-                set_irq_chip_and_handler_name(irq, get_irq_chip(entry->pirq),
+                irq_set_chip_and_handler_name(irq, irq_get_chip(entry->pirq),
                                               handle_simple_irq, "virq");
-                set_irq_chip_data(irq, get_irq_chip_data(entry->pirq));
+                irq_set_chip_data(irq, irq_get_chip_data(entry->pirq));
 
-                set_irq_data(irq, (void *)entry->handle);
+                irq_set_handler_data(irq, (void *)entry->handle);
 
-                set_irq_chained_handler(entry->pirq, intc_virq_handler);
+                irq_set_chained_handler(entry->pirq, intc_virq_handler);
                 add_virq_to_pirq(entry->pirq, irq);
 
                 radix_tree_tag_clear(&d->tree, entry->enum_id,
diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c b/drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c
index e3556ff43bb9..ac5bbc8722e5 100644
--- a/drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c
+++ b/drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c
@@ -341,7 +341,7 @@ int bcmsdh_register_oob_intr(void *dhdp)
                 if (error)
                         return -ENODEV;
 
-                set_irq_wake(sdhcinfo->oob_irq, 1);
+                irq_set_irq_wake(sdhcinfo->oob_irq, 1);
                 sdhcinfo->oob_irq_registered = true;
         }
 
@@ -352,7 +352,7 @@ void bcmsdh_unregister_oob_intr(void)
 {
         SDLX_MSG(("%s: Enter\n", __func__));
 
-        set_irq_wake(sdhcinfo->oob_irq, 0);
+        irq_set_irq_wake(sdhcinfo->oob_irq, 0);
         disable_irq(sdhcinfo->oob_irq); /* just in case.. */
         free_irq(sdhcinfo->oob_irq, NULL);
         sdhcinfo->oob_irq_registered = false;
diff --git a/drivers/staging/westbridge/astoria/arch/arm/mach-omap2/cyashalomap_kernel.c b/drivers/staging/westbridge/astoria/arch/arm/mach-omap2/cyashalomap_kernel.c
index ea9b733c3926..21cdb0637beb 100644
--- a/drivers/staging/westbridge/astoria/arch/arm/mach-omap2/cyashalomap_kernel.c
+++ b/drivers/staging/westbridge/astoria/arch/arm/mach-omap2/cyashalomap_kernel.c
@@ -597,7 +597,7 @@ static int cy_as_hal_configure_interrupts(void *dev_p)
         int result;
         int irq_pin  = AST_INT;
 
-        set_irq_type(OMAP_GPIO_IRQ(irq_pin), IRQ_TYPE_LEVEL_LOW);
+        irq_set_irq_type(OMAP_GPIO_IRQ(irq_pin), IRQ_TYPE_LEVEL_LOW);
 
         /*
          * for shared IRQS must provide non NULL device ptr
diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c
index c35f1a73bc8b..52fdf60bdbe2 100644
--- a/drivers/tty/hvc/hvc_xen.c
+++ b/drivers/tty/hvc/hvc_xen.c
@@ -178,7 +178,7 @@ static int __init xen_hvc_init(void)
         if (xencons_irq < 0)
                 xencons_irq = 0; /* NO_IRQ */
         else
-                set_irq_noprobe(xencons_irq);
+                irq_set_noprobe(xencons_irq);
 
         hp = hvc_alloc(HVC_COOKIE, xencons_irq, ops, 256);
         if (IS_ERR(hp))
diff --git a/drivers/tty/serial/msm_serial_hs.c b/drivers/tty/serial/msm_serial_hs.c
index 2e7fc9cee9cc..b906f11f7c1a 100644
--- a/drivers/tty/serial/msm_serial_hs.c
+++ b/drivers/tty/serial/msm_serial_hs.c
@@ -1644,7 +1644,7 @@ static int __devinit msm_hs_probe(struct platform_device *pdev)
         if (unlikely(uport->irq < 0))
                 return -ENXIO;
 
-        if (unlikely(set_irq_wake(uport->irq, 1)))
+        if (unlikely(irq_set_irq_wake(uport->irq, 1)))
                 return -ENXIO;
 
         if (pdata == NULL || pdata->rx_wakeup_irq < 0)
@@ -1658,7 +1658,7 @@ static int __devinit msm_hs_probe(struct platform_device *pdev)
                 if (unlikely(msm_uport->rx_wakeup.irq < 0))
                         return -ENXIO;
 
-                if (unlikely(set_irq_wake(msm_uport->rx_wakeup.irq, 1)))
+                if (unlikely(irq_set_irq_wake(msm_uport->rx_wakeup.irq, 1)))
                         return -ENXIO;
         }
 
diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c
index b37f92cb71bc..444b60aa15e9 100644
--- a/drivers/usb/gadget/pxa25x_udc.c
+++ b/drivers/usb/gadget/pxa25x_udc.c
@@ -139,24 +139,6 @@ static const char ep0name [] = "ep0";
 static void pxa25x_ep_fifo_flush (struct usb_ep *ep);
 static void nuke (struct pxa25x_ep *, int status);
 
-/* one GPIO should be used to detect VBUS from the host */
-static int is_vbus_present(void)
-{
-        struct pxa2xx_udc_mach_info             *mach = the_controller->mach;
-
-        if (gpio_is_valid(mach->gpio_vbus)) {
-                int value = gpio_get_value(mach->gpio_vbus);
-
-                if (mach->gpio_vbus_inverted)
-                        return !value;
-                else
-                        return !!value;
-        }
-        if (mach->udc_is_connected)
-                return mach->udc_is_connected();
-        return 1;
-}
-
 /* one GPIO should control a D+ pullup, so host sees this device (or not) */
 static void pullup_off(void)
 {
@@ -1055,7 +1037,7 @@ udc_seq_show(struct seq_file *m, void *_d)
                 "%s version: %s\nGadget driver: %s\nHost %s\n\n",
                 driver_name, DRIVER_VERSION SIZE_STR "(pio)",
                 dev->driver ? dev->driver->driver.name : "(none)",
-                is_vbus_present() ? "full speed" : "disconnected");
+                dev->gadget.speed == USB_SPEED_FULL ? "full speed" : "disconnected");
 
         /* registers for device and ep0 */
         seq_printf(m,
@@ -1094,7 +1076,7 @@ udc_seq_show(struct seq_file *m, void *_d)
                         (tmp & UDCCFR_ACM) ? " acm" : "");
         }
 
-        if (!is_vbus_present() || !dev->driver)
+        if (dev->gadget.speed != USB_SPEED_FULL || !dev->driver)
                 goto done;
 
         seq_printf(m, "ep0 IN %lu/%lu, OUT %lu/%lu\nirqs %lu\n\n",
@@ -1435,14 +1417,6 @@ lubbock_vbus_irq(int irq, void *_dev)
 
 #endif
 
-static irqreturn_t udc_vbus_irq(int irq, void *_dev)
-{
-        struct pxa25x_udc       *dev = _dev;
-
-        pxa25x_udc_vbus_session(&dev->gadget, is_vbus_present());
-        return IRQ_HANDLED;
-}
-
 
 /*-------------------------------------------------------------------------*/
 
@@ -1766,12 +1740,9 @@ pxa25x_udc_irq(int irq, void *_dev)
                 if (unlikely(udccr & UDCCR_SUSIR)) {
                         udc_ack_int_UDCCR(UDCCR_SUSIR);
                         handled = 1;
-                        DBG(DBG_VERBOSE, "USB suspend%s\n", is_vbus_present()
-                                ? "" : "+disconnect");
+                        DBG(DBG_VERBOSE, "USB suspend\n");
 
-                        if (!is_vbus_present())
-                                stop_activity(dev, dev->driver);
-                        else if (dev->gadget.speed != USB_SPEED_UNKNOWN
+                        if (dev->gadget.speed != USB_SPEED_UNKNOWN
                                         && dev->driver
                                         && dev->driver->suspend)
                                 dev->driver->suspend(&dev->gadget);
@@ -1786,8 +1757,7 @@ pxa25x_udc_irq(int irq, void *_dev)
 
                         if (dev->gadget.speed != USB_SPEED_UNKNOWN
                                         && dev->driver
-                                        && dev->driver->resume
-                                        && is_vbus_present())
+                                        && dev->driver->resume)
                                 dev->driver->resume(&dev->gadget);
                 }
 
@@ -2137,7 +2107,7 @@ static struct pxa25x_udc memory = {
 static int __init pxa25x_udc_probe(struct platform_device *pdev)
 {
         struct pxa25x_udc *dev = &memory;
-        int retval, vbus_irq, irq;
+        int retval, irq;
         u32 chiprev;
 
         /* insist on Intel/ARM/XScale */
@@ -2199,19 +2169,6 @@ static int __init pxa25x_udc_probe(struct platform_device *pdev)
 
         dev->transceiver = otg_get_transceiver();
 
-        if (gpio_is_valid(dev->mach->gpio_vbus)) {
-                if ((retval = gpio_request(dev->mach->gpio_vbus,
-                                "pxa25x_udc GPIO VBUS"))) {
-                        dev_dbg(&pdev->dev,
-                                "can't get vbus gpio %d, err: %d\n",
-                                dev->mach->gpio_vbus, retval);
-                        goto err_gpio_vbus;
-                }
-                gpio_direction_input(dev->mach->gpio_vbus);
-                vbus_irq = gpio_to_irq(dev->mach->gpio_vbus);
-        } else
-                vbus_irq = 0;
-
         if (gpio_is_valid(dev->mach->gpio_pullup)) {
                 if ((retval = gpio_request(dev->mach->gpio_pullup,
                                 "pca25x_udc GPIO PULLUP"))) {
@@ -2237,7 +2194,7 @@ static int __init pxa25x_udc_probe(struct platform_device *pdev)
         udc_disable(dev);
         udc_reinit(dev);
 
-        dev->vbus = !!is_vbus_present();
+        dev->vbus = 0;
 
         /* irq setup after old hardware state is cleaned up */
         retval = request_irq(irq, pxa25x_udc_irq,
@@ -2273,22 +2230,10 @@ lubbock_fail0:
                 }
         } else
 #endif
-        if (vbus_irq) {
-                retval = request_irq(vbus_irq, udc_vbus_irq,
-                                IRQF_DISABLED | IRQF_SAMPLE_RANDOM |
-                                IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
-                                driver_name, dev);
-                if (retval != 0) {
-                        pr_err("%s: can't get irq %i, err %d\n",
-                                driver_name, vbus_irq, retval);
-                        goto err_vbus_irq;
-                }
-        }
         create_debug_files(dev);
 
         return 0;
 
- err_vbus_irq:
 #ifdef  CONFIG_ARCH_LUBBOCK
         free_irq(LUBBOCK_USB_DISC_IRQ, dev);
  err_irq_lub:
@@ -2298,9 +2243,6 @@ lubbock_fail0:
         if (gpio_is_valid(dev->mach->gpio_pullup))
                 gpio_free(dev->mach->gpio_pullup);
  err_gpio_pullup:
-        if (gpio_is_valid(dev->mach->gpio_vbus))
-                gpio_free(dev->mach->gpio_vbus);
- err_gpio_vbus:
         if (dev->transceiver) {
                 otg_put_transceiver(dev->transceiver);
                 dev->transceiver = NULL;
@@ -2337,10 +2279,6 @@ static int __exit pxa25x_udc_remove(struct platform_device *pdev)
                 free_irq(LUBBOCK_USB_IRQ, dev);
         }
 #endif
-        if (gpio_is_valid(dev->mach->gpio_vbus)) {
-                free_irq(gpio_to_irq(dev->mach->gpio_vbus), dev);
-                gpio_free(dev->mach->gpio_vbus);
-        }
         if (gpio_is_valid(dev->mach->gpio_pullup))
                 gpio_free(dev->mach->gpio_pullup);
 
diff --git a/drivers/usb/host/oxu210hp-hcd.c b/drivers/usb/host/oxu210hp-hcd.c
index 38193f4e980e..44e4deb362e1 100644
--- a/drivers/usb/host/oxu210hp-hcd.c
+++ b/drivers/usb/host/oxu210hp-hcd.c
@@ -3832,7 +3832,7 @@ static int oxu_drv_probe(struct platform_device *pdev)
                 return -EBUSY;
         }
 
-        ret = set_irq_type(irq, IRQF_TRIGGER_FALLING);
+        ret = irq_set_irq_type(irq, IRQF_TRIGGER_FALLING);
         if (ret) {
                 dev_err(&pdev->dev, "error setting irq type\n");
                 ret = -EFAULT;
diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c
index 2ba3b070ed0b..c47aac4a1f98 100644
--- a/drivers/usb/musb/tusb6010.c
+++ b/drivers/usb/musb/tusb6010.c
@@ -943,7 +943,7 @@ static void tusb_musb_enable(struct musb *musb)
         musb_writel(tbase, TUSB_INT_CTRL_CONF,
                         TUSB_INT_CTRL_CONF_INT_RELCYC(0));
 
-        set_irq_type(musb->nIrq, IRQ_TYPE_LEVEL_LOW);
+        irq_set_irq_type(musb->nIrq, IRQ_TYPE_LEVEL_LOW);
 
         /* maybe force into the Default-A OTG state machine */
         if (!(musb_readl(tbase, TUSB_DEV_OTG_STAT)
diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index 825b665245bb..a2e5b5100ab4 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -627,7 +627,12 @@ static void overlay1fb_enable(struct pxafb_layer *ofb)
 
 static void overlay1fb_disable(struct pxafb_layer *ofb)
 {
-        uint32_t lccr5 = lcd_readl(ofb->fbi, LCCR5);
+        uint32_t lccr5;
+
+        if (!(lcd_readl(ofb->fbi, OVL1C1) & OVLxC1_OEN))
+                return;
+
+        lccr5 = lcd_readl(ofb->fbi, LCCR5);
 
         lcd_writel(ofb->fbi, OVL1C1, ofb->control[0] & ~OVLxC1_OEN);
 
@@ -685,7 +690,12 @@ static void overlay2fb_enable(struct pxafb_layer *ofb)
 
 static void overlay2fb_disable(struct pxafb_layer *ofb)
 {
-        uint32_t lccr5 = lcd_readl(ofb->fbi, LCCR5);
+        uint32_t lccr5;
+
+        if (!(lcd_readl(ofb->fbi, OVL2C1) & OVLxC1_OEN))
+                return;
+
+        lccr5 = lcd_readl(ofb->fbi, LCCR5);
 
         lcd_writel(ofb->fbi, OVL2C1, ofb->control[0] & ~OVLxC1_OEN);
 
@@ -720,12 +730,10 @@ static int overlayfb_open(struct fb_info *info, int user)
         if (user == 0)
                 return -ENODEV;
 
-        /* allow only one user at a time */
-        if (atomic_inc_and_test(&ofb->usage))
-                return -EBUSY;
+        if (ofb->usage++ == 0)
+                /* unblank the base framebuffer */
+                fb_blank(&ofb->fbi->fb, FB_BLANK_UNBLANK);
 
-        /* unblank the base framebuffer */
-        fb_blank(&ofb->fbi->fb, FB_BLANK_UNBLANK);
         return 0;
 }
 
@@ -733,12 +741,15 @@ static int overlayfb_release(struct fb_info *info, int user)
 {
         struct pxafb_layer *ofb = (struct pxafb_layer*) info;
 
-        atomic_dec(&ofb->usage);
-        ofb->ops->disable(ofb);
+        if (ofb->usage == 1) {
+                ofb->ops->disable(ofb);
+                ofb->fb.var.height      = -1;
+                ofb->fb.var.width       = -1;
+                ofb->fb.var.xres = ofb->fb.var.xres_virtual = 0;
+                ofb->fb.var.yres = ofb->fb.var.yres_virtual = 0;
 
-        free_pages_exact(ofb->video_mem, ofb->video_mem_size);
-        ofb->video_mem = NULL;
-        ofb->video_mem_size = 0;
+                ofb->usage--;
+        }
         return 0;
 }
 
@@ -750,7 +761,7 @@ static int overlayfb_check_var(struct fb_var_screeninfo *var,
         int xpos, ypos, pfor, bpp;
 
         xpos = NONSTD_TO_XPOS(var->nonstd);
-        ypos = NONSTD_TO_XPOS(var->nonstd);
+        ypos = NONSTD_TO_YPOS(var->nonstd);
         pfor = NONSTD_TO_PFOR(var->nonstd);
 
         bpp = pxafb_var_to_bpp(var);
@@ -794,7 +805,7 @@ static int overlayfb_check_var(struct fb_var_screeninfo *var,
         return 0;
 }
 
-static int overlayfb_map_video_memory(struct pxafb_layer *ofb)
+static int overlayfb_check_video_memory(struct pxafb_layer *ofb)
 {
         struct fb_var_screeninfo *var = &ofb->fb.var;
         int pfor = NONSTD_TO_PFOR(var->nonstd);
@@ -812,27 +823,11 @@ static int overlayfb_map_video_memory(struct pxafb_layer *ofb)
 
         size = PAGE_ALIGN(ofb->fb.fix.line_length * var->yres_virtual);
 
-        /* don't re-allocate if the original video memory is enough */
         if (ofb->video_mem) {
                 if (ofb->video_mem_size >= size)
                         return 0;
-
-                free_pages_exact(ofb->video_mem, ofb->video_mem_size);
         }
-
-        ofb->video_mem = alloc_pages_exact(size, GFP_KERNEL | __GFP_ZERO);
-        if (ofb->video_mem == NULL)
-                return -ENOMEM;
-
-        ofb->video_mem_phys = virt_to_phys(ofb->video_mem);
-        ofb->video_mem_size = size;
-
-        mutex_lock(&ofb->fb.mm_lock);
-        ofb->fb.fix.smem_start  = ofb->video_mem_phys;
-        ofb->fb.fix.smem_len    = ofb->fb.fix.line_length * var->yres_virtual;
-        mutex_unlock(&ofb->fb.mm_lock);
-        ofb->fb.screen_base     = ofb->video_mem;
-        return 0;
+        return -EINVAL;
 }
 
 static int overlayfb_set_par(struct fb_info *info)
@@ -841,13 +836,13 @@ static int overlayfb_set_par(struct fb_info *info)
         struct fb_var_screeninfo *var = &info->var;
         int xpos, ypos, pfor, bpp, ret;
 
-        ret = overlayfb_map_video_memory(ofb);
+        ret = overlayfb_check_video_memory(ofb);
         if (ret)
                 return ret;
 
         bpp  = pxafb_var_to_bpp(var);
         xpos = NONSTD_TO_XPOS(var->nonstd);
-        ypos = NONSTD_TO_XPOS(var->nonstd);
+        ypos = NONSTD_TO_YPOS(var->nonstd);
         pfor = NONSTD_TO_PFOR(var->nonstd);
 
         ofb->control[0] = OVLxC1_PPL(var->xres) | OVLxC1_LPO(var->yres) |
@@ -891,7 +886,7 @@ static void __devinit init_pxafb_overlay(struct pxafb_info *fbi,
 
         ofb->id = id;
         ofb->ops = &ofb_ops[id];
-        atomic_set(&ofb->usage, 0);
+        ofb->usage = 0;
         ofb->fbi = fbi;
         init_completion(&ofb->branch_done);
 }
@@ -904,29 +899,60 @@ static inline int pxafb_overlay_supported(void)
         return 0;
 }
 
-static int __devinit pxafb_overlay_init(struct pxafb_info *fbi)
+static int __devinit pxafb_overlay_map_video_memory(struct pxafb_info *pxafb,
+        struct pxafb_layer *ofb)
+{
+        /* We assume that user will use at most video_mem_size for overlay fb,
+         * anyway, it's useless to use 16bpp main plane and 24bpp overlay
+         */
+        ofb->video_mem = alloc_pages_exact(PAGE_ALIGN(pxafb->video_mem_size),
+                GFP_KERNEL | __GFP_ZERO);
+        if (ofb->video_mem == NULL)
+                return -ENOMEM;
+
+        ofb->video_mem_phys = virt_to_phys(ofb->video_mem);
+        ofb->video_mem_size = PAGE_ALIGN(pxafb->video_mem_size);
+
+        mutex_lock(&ofb->fb.mm_lock);
+        ofb->fb.fix.smem_start  = ofb->video_mem_phys;
+        ofb->fb.fix.smem_len    = pxafb->video_mem_size;
+        mutex_unlock(&ofb->fb.mm_lock);
+
+        ofb->fb.screen_base     = ofb->video_mem;
+
+        return 0;
+}
+
+static void __devinit pxafb_overlay_init(struct pxafb_info *fbi)
 {
         int i, ret;
 
         if (!pxafb_overlay_supported())
-                return 0;
+                return;
 
         for (i = 0; i < 2; i++) {
-                init_pxafb_overlay(fbi, &fbi->overlay[i], i);
-                ret = register_framebuffer(&fbi->overlay[i].fb);
+                struct pxafb_layer *ofb = &fbi->overlay[i];
+                init_pxafb_overlay(fbi, ofb, i);
+                ret = register_framebuffer(&ofb->fb);
                 if (ret) {
                         dev_err(fbi->dev, "failed to register overlay %d\n", i);
-                        return ret;
+                        continue;
                 }
+                ret = pxafb_overlay_map_video_memory(fbi, ofb);
+                if (ret) {
+                        dev_err(fbi->dev,
+                                "failed to map video memory for overlay %d\n",
+                                i);
+                        unregister_framebuffer(&ofb->fb);
+                        continue;
+                }
+                ofb->registered = 1;
         }
 
         /* mask all IU/BS/EOF/SOF interrupts */
         lcd_writel(fbi, LCCR5, ~0);
 
-        /* place overlay(s) on top of base */
-        fbi->lccr0 |= LCCR0_OUC;
         pr_info("PXA Overlay driver loaded successfully!\n");
-        return 0;
 }
 
 static void __devexit pxafb_overlay_exit(struct pxafb_info *fbi)
@@ -936,8 +962,15 @@ static void __devexit pxafb_overlay_exit(struct pxafb_info *fbi)
         if (!pxafb_overlay_supported())
                 return;
 
-        for (i = 0; i < 2; i++)
-                unregister_framebuffer(&fbi->overlay[i].fb);
+        for (i = 0; i < 2; i++) {
+                struct pxafb_layer *ofb = &fbi->overlay[i];
+                if (ofb->registered) {
+                        if (ofb->video_mem)
+                                free_pages_exact(ofb->video_mem,
+                                        ofb->video_mem_size);
+                        unregister_framebuffer(&ofb->fb);
+                }
+        }
 }
 #else
 static inline void pxafb_overlay_init(struct pxafb_info *fbi) {}
@@ -1368,7 +1401,8 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var,
             (lcd_readl(fbi, LCCR3) != fbi->reg_lccr3) ||
             (lcd_readl(fbi, LCCR4) != fbi->reg_lccr4) ||
             (lcd_readl(fbi, FDADR0) != fbi->fdadr[0]) ||
-            (lcd_readl(fbi, FDADR1) != fbi->fdadr[1]))
+            ((fbi->lccr0 & LCCR0_SDS) &&
+            (lcd_readl(fbi, FDADR1) != fbi->fdadr[1])))
                 pxafb_schedule_work(fbi, C_REENABLE);
 
         return 0;
@@ -1420,7 +1454,8 @@ static void pxafb_enable_controller(struct pxafb_info *fbi)
         lcd_writel(fbi, LCCR0, fbi->reg_lccr0 & ~LCCR0_ENB);
 
         lcd_writel(fbi, FDADR0, fbi->fdadr[0]);
-        lcd_writel(fbi, FDADR1, fbi->fdadr[1]);
+        if (fbi->lccr0 & LCCR0_SDS)
+                lcd_writel(fbi, FDADR1, fbi->fdadr[1]);
         lcd_writel(fbi, LCCR0, fbi->reg_lccr0 | LCCR0_ENB);
 }
 
@@ -1613,7 +1648,8 @@ pxafb_freq_transition(struct notifier_block *nb, unsigned long val, void *data)
 
         switch (val) {
         case CPUFREQ_PRECHANGE:
-                set_ctrlr_state(fbi, C_DISABLE_CLKCHANGE);
+                if (!fbi->overlay[0].usage && !fbi->overlay[1].usage)
+                        set_ctrlr_state(fbi, C_DISABLE_CLKCHANGE);
                 break;
 
         case CPUFREQ_POSTCHANGE:
@@ -1806,6 +1842,12 @@ static struct pxafb_info * __devinit pxafb_init_fbinfo(struct device *dev)
 
         pxafb_decode_mach_info(fbi, inf);
 
+#ifdef CONFIG_FB_PXA_OVERLAY
+        /* place overlay(s) on top of base */
+        if (pxafb_overlay_supported())
+                fbi->lccr0 |= LCCR0_OUC;
+#endif
+
         init_waitqueue_head(&fbi->ctrlr_wait);
         INIT_WORK(&fbi->task, pxafb_task);
         mutex_init(&fbi->ctrlr_lock);
diff --git a/drivers/video/pxafb.h b/drivers/video/pxafb.h
index 2353521c5c8c..26ba9fa3f737 100644
--- a/drivers/video/pxafb.h
+++ b/drivers/video/pxafb.h
@@ -92,7 +92,8 @@ struct pxafb_layer_ops {
 struct pxafb_layer {
         struct fb_info          fb;
         int                     id;
-        atomic_t                usage;
+        int                     registered;
+        uint32_t                usage;
         uint32_t                control[2];
 
         struct pxafb_layer_ops  *ops;
diff --git a/drivers/w1/masters/ds1wm.c b/drivers/w1/masters/ds1wm.c
index 95921b77cf86..2f4fa02744a5 100644
--- a/drivers/w1/masters/ds1wm.c
+++ b/drivers/w1/masters/ds1wm.c
@@ -368,9 +368,9 @@ static int ds1wm_probe(struct platform_device *pdev)
         ds1wm_data->active_high = plat->active_high;
 
         if (res->flags & IORESOURCE_IRQ_HIGHEDGE)
-                set_irq_type(ds1wm_data->irq, IRQ_TYPE_EDGE_RISING);
+                irq_set_irq_type(ds1wm_data->irq, IRQ_TYPE_EDGE_RISING);
         if (res->flags & IORESOURCE_IRQ_LOWEDGE)
-                set_irq_type(ds1wm_data->irq, IRQ_TYPE_EDGE_FALLING);
+                irq_set_irq_type(ds1wm_data->irq, IRQ_TYPE_EDGE_FALLING);
 
         ret = request_irq(ds1wm_data->irq, ds1wm_isr, IRQF_DISABLED,
                           "ds1wm", ds1wm_data);
diff --git a/drivers/watchdog/davinci_wdt.c b/drivers/watchdog/davinci_wdt.c
index 596ba604e78d..51b5551b4e3f 100644
--- a/drivers/watchdog/davinci_wdt.c
+++ b/drivers/watchdog/davinci_wdt.c
@@ -202,7 +202,6 @@ static struct miscdevice davinci_wdt_miscdev = {
 static int __devinit davinci_wdt_probe(struct platform_device *pdev)
 {
         int ret = 0, size;
-        struct resource *res;
         struct device *dev = &pdev->dev;
 
         wdt_clk = clk_get(dev, NULL);
@@ -216,31 +215,31 @@ static int __devinit davinci_wdt_probe(struct platform_device *pdev)
 
         dev_info(dev, "heartbeat %d sec\n", heartbeat);
 
-        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        if (res == NULL) {
+        wdt_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        if (wdt_mem == NULL) {
                 dev_err(dev, "failed to get memory region resource\n");
                 return -ENOENT;
         }
 
-        size = resource_size(res);
-        wdt_mem = request_mem_region(res->start, size, pdev->name);
-
-        if (wdt_mem == NULL) {
+        size = resource_size(wdt_mem);
+        if (!request_mem_region(wdt_mem->start, size, pdev->name)) {
                 dev_err(dev, "failed to get memory region\n");
                 return -ENOENT;
         }
 
-        wdt_base = ioremap(res->start, size);
+        wdt_base = ioremap(wdt_mem->start, size);
         if (!wdt_base) {
                 dev_err(dev, "failed to map memory region\n");
+                release_mem_region(wdt_mem->start, size);
+                wdt_mem = NULL;
                 return -ENOMEM;
         }
 
         ret = misc_register(&davinci_wdt_miscdev);
         if (ret < 0) {
                 dev_err(dev, "cannot register misc device\n");
-                release_resource(wdt_mem);
-                kfree(wdt_mem);
+                release_mem_region(wdt_mem->start, size);
+                wdt_mem = NULL;
         } else {
                 set_bit(WDT_DEVICE_INITED, &wdt_status);
         }
@@ -253,8 +252,7 @@ static int __devexit davinci_wdt_remove(struct platform_device *pdev)
 {
         misc_deregister(&davinci_wdt_miscdev);
         if (wdt_mem) {
-                release_resource(wdt_mem);
-                kfree(wdt_mem);
+                release_mem_region(wdt_mem->start, resource_size(wdt_mem));
                 wdt_mem = NULL;
         }
 
diff --git a/drivers/watchdog/max63xx_wdt.c b/drivers/watchdog/max63xx_wdt.c
index 7a82ce5a6337..73ba2fd8e591 100644
--- a/drivers/watchdog/max63xx_wdt.c
+++ b/drivers/watchdog/max63xx_wdt.c
@@ -270,7 +270,6 @@ static int __devinit max63xx_wdt_probe(struct platform_device *pdev)
 {
         int ret = 0;
         int size;
-        struct resource *res;
         struct device *dev = &pdev->dev;
         struct max63xx_timeout *table;
 
@@ -294,21 +293,19 @@ static int __devinit max63xx_wdt_probe(struct platform_device *pdev)
 
         max63xx_pdev = pdev;
 
-        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        if (res == NULL) {
+        wdt_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        if (wdt_mem == NULL) {
                 dev_err(dev, "failed to get memory region resource\n");
                 return -ENOENT;
         }
 
-        size = resource_size(res);
-        wdt_mem = request_mem_region(res->start, size, pdev->name);
-
-        if (wdt_mem == NULL) {
+        size = resource_size(wdt_mem);
+        if (!request_mem_region(wdt_mem->start, size, pdev->name)) {
                 dev_err(dev, "failed to get memory region\n");
                 return -ENOENT;
         }
 
-        wdt_base = ioremap(res->start, size);
+        wdt_base = ioremap(wdt_mem->start, size);
         if (!wdt_base) {
                 dev_err(dev, "failed to map memory region\n");
                 ret = -ENOMEM;
@@ -326,8 +323,8 @@ static int __devinit max63xx_wdt_probe(struct platform_device *pdev)
 out_unmap:
         iounmap(wdt_base);
 out_request:
-        release_resource(wdt_mem);
-        kfree(wdt_mem);
+        release_mem_region(wdt_mem->start, size);
+        wdt_mem = NULL;
 
         return ret;
 }
@@ -336,8 +333,7 @@ static int __devexit max63xx_wdt_remove(struct platform_device *pdev)
 {
         misc_deregister(&max63xx_wdt_miscdev);
         if (wdt_mem) {
-                release_resource(wdt_mem);
-                kfree(wdt_mem);
+                release_mem_region(wdt_mem->start, resource_size(wdt_mem));
                 wdt_mem = NULL;
         }
 
diff --git a/drivers/watchdog/nv_tco.c b/drivers/watchdog/nv_tco.c
index 267377a5a83e..afa78a54711e 100644
--- a/drivers/watchdog/nv_tco.c
+++ b/drivers/watchdog/nv_tco.c
@@ -302,7 +302,7 @@ MODULE_DEVICE_TABLE(pci, tco_pci_tbl);
  *      Init & exit routines
  */
 
-static unsigned char __init nv_tco_getdevice(void)
+static unsigned char __devinit nv_tco_getdevice(void)
 {
         struct pci_dev *dev = NULL;
         u32 val;
diff --git a/drivers/watchdog/pnx4008_wdt.c b/drivers/watchdog/pnx4008_wdt.c
index c7cf4cbf8ab3..614933225560 100644
--- a/drivers/watchdog/pnx4008_wdt.c
+++ b/drivers/watchdog/pnx4008_wdt.c
@@ -254,7 +254,6 @@ static struct miscdevice pnx4008_wdt_miscdev = {
 static int __devinit pnx4008_wdt_probe(struct platform_device *pdev)
 {
         int ret = 0, size;
-        struct resource *res;
 
         if (heartbeat < 1 || heartbeat > MAX_HEARTBEAT)
                 heartbeat = DEFAULT_HEARTBEAT;
@@ -262,42 +261,42 @@ static int __devinit pnx4008_wdt_probe(struct platform_device *pdev)
         printk(KERN_INFO MODULE_NAME
                 "PNX4008 Watchdog Timer: heartbeat %d sec\n", heartbeat);
 
-        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        if (res == NULL) {
+        wdt_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        if (wdt_mem == NULL) {
                 printk(KERN_INFO MODULE_NAME
                         "failed to get memory region resouce\n");
                 return -ENOENT;
         }
 
-        size = resource_size(res);
-        wdt_mem = request_mem_region(res->start, size, pdev->name);
+        size = resource_size(wdt_mem);
 
-        if (wdt_mem == NULL) {
+        if (!request_mem_region(wdt_mem->start, size, pdev->name)) {
                 printk(KERN_INFO MODULE_NAME "failed to get memory region\n");
                 return -ENOENT;
         }
-        wdt_base = (void __iomem *)IO_ADDRESS(res->start);
+        wdt_base = (void __iomem *)IO_ADDRESS(wdt_mem->start);
 
         wdt_clk = clk_get(&pdev->dev, NULL);
         if (IS_ERR(wdt_clk)) {
                 ret = PTR_ERR(wdt_clk);
-                release_resource(wdt_mem);
-                kfree(wdt_mem);
+                release_mem_region(wdt_mem->start, size);
+                wdt_mem = NULL;
                 goto out;
         }
 
         ret = clk_enable(wdt_clk);
         if (ret) {
-                release_resource(wdt_mem);
-                kfree(wdt_mem);
+                release_mem_region(wdt_mem->start, size);
+                wdt_mem = NULL;
+                clk_put(wdt_clk);
                 goto out;
         }
 
         ret = misc_register(&pnx4008_wdt_miscdev);
         if (ret < 0) {
                 printk(KERN_ERR MODULE_NAME "cannot register misc device\n");
-                release_resource(wdt_mem);
-                kfree(wdt_mem);
+                release_mem_region(wdt_mem->start, size);
+                wdt_mem = NULL;
                 clk_disable(wdt_clk);
                 clk_put(wdt_clk);
         } else {
@@ -320,8 +319,7 @@ static int __devexit pnx4008_wdt_remove(struct platform_device *pdev)
         clk_put(wdt_clk);
 
         if (wdt_mem) {
-                release_resource(wdt_mem);
-                kfree(wdt_mem);
+                release_mem_region(wdt_mem->start, resource_size(wdt_mem));
                 wdt_mem = NULL;
         }
         return 0;
diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index 25b39bf35925..f7f5aa00df60 100644
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -402,7 +402,6 @@ static inline void s3c2410wdt_cpufreq_deregister(void)
 
 static int __devinit s3c2410wdt_probe(struct platform_device *pdev)
 {
-        struct resource *res;
         struct device *dev;
         unsigned int wtcon;
         int started = 0;
@@ -416,20 +415,19 @@ static int __devinit s3c2410wdt_probe(struct platform_device *pdev)
 
         /* get the memory region for the watchdog timer */
 
-        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        if (res == NULL) {
+        wdt_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        if (wdt_mem == NULL) {
                 dev_err(dev, "no memory resource specified\n");
                 return -ENOENT;
         }
 
-        size = resource_size(res);
-        wdt_mem = request_mem_region(res->start, size, pdev->name);
-        if (wdt_mem == NULL) {
+        size = resource_size(wdt_mem);
+        if (!request_mem_region(wdt_mem->start, size, pdev->name)) {
                 dev_err(dev, "failed to get memory region\n");
                 return -EBUSY;
         }
 
-        wdt_base = ioremap(res->start, size);
+        wdt_base = ioremap(wdt_mem->start, size);
         if (wdt_base == NULL) {
                 dev_err(dev, "failed to ioremap() region\n");
                 ret = -EINVAL;
@@ -524,8 +522,8 @@ static int __devinit s3c2410wdt_probe(struct platform_device *pdev)
         iounmap(wdt_base);
 
  err_req:
-        release_resource(wdt_mem);
-        kfree(wdt_mem);
+        release_mem_region(wdt_mem->start, size);
+        wdt_mem = NULL;
 
         return ret;
 }
@@ -545,8 +543,7 @@ static int __devexit s3c2410wdt_remove(struct platform_device *dev)
 
         iounmap(wdt_base);
 
-        release_resource(wdt_mem);
-        kfree(wdt_mem);
+        release_mem_region(wdt_mem->start, resource_size(wdt_mem));
         wdt_mem = NULL;
         return 0;
 }
diff --git a/drivers/watchdog/softdog.c b/drivers/watchdog/softdog.c
index 100b114e3c3c..bf16ffb4d21e 100644
--- a/drivers/watchdog/softdog.c
+++ b/drivers/watchdog/softdog.c
@@ -48,6 +48,7 @@
 #include <linux/init.h>
 #include <linux/jiffies.h>
 #include <linux/uaccess.h>
+#include <linux/kernel.h>
 
 #define PFX "SoftDog: "
 
@@ -75,6 +76,11 @@ MODULE_PARM_DESC(soft_noboot,
         "Softdog action, set to 1 to ignore reboots, 0 to reboot "
                                         "(default depends on ONLY_TESTING)");
 
+static int soft_panic;
+module_param(soft_panic, int, 0);
+MODULE_PARM_DESC(soft_panic,
+        "Softdog action, set to 1 to panic, 0 to reboot (default=0)");
+
 /*
  *      Our timer
  */
@@ -98,7 +104,10 @@ static void watchdog_fire(unsigned long data)
 
         if (soft_noboot)
                 printk(KERN_CRIT PFX "Triggered - Reboot ignored.\n");
-        else {
+        else if (soft_panic) {
+                printk(KERN_CRIT PFX "Initiating panic.\n");
+                panic("Software Watchdog Timer expired.");
+        } else {
                 printk(KERN_CRIT PFX "Initiating system reboot.\n");
                 emergency_restart();
                 printk(KERN_CRIT PFX "Reboot didn't ?????\n");
@@ -267,7 +276,8 @@ static struct notifier_block softdog_notifier = {
 };
 
 static char banner[] __initdata = KERN_INFO "Software Watchdog Timer: 0.07 "
-        "initialized. soft_noboot=%d soft_margin=%d sec (nowayout= %d)\n";
+        "initialized. soft_noboot=%d soft_margin=%d sec soft_panic=%d "
+        "(nowayout= %d)\n";
 
 static int __init watchdog_init(void)
 {
@@ -298,7 +308,7 @@ static int __init watchdog_init(void)
                 return ret;
         }
 
-        printk(banner, soft_noboot, soft_margin, nowayout);
+        printk(banner, soft_noboot, soft_margin, soft_panic, nowayout);
 
         return 0;
 }
diff --git a/drivers/watchdog/sp5100_tco.c b/drivers/watchdog/sp5100_tco.c
index 1bc493848ed4..87e0527669d8 100644
--- a/drivers/watchdog/sp5100_tco.c
+++ b/drivers/watchdog/sp5100_tco.c
@@ -42,6 +42,7 @@
 #define PFX TCO_MODULE_NAME ": "
 
 /* internal variables */
+static u32 tcobase_phys;
 static void __iomem *tcobase;
 static unsigned int pm_iobase;
 static DEFINE_SPINLOCK(tco_lock);       /* Guards the hardware */
@@ -305,10 +306,18 @@ static unsigned char __devinit sp5100_tco_setupdevice(void)
         /* Low three bits of BASE0 are reserved. */
         val = val << 8 | (inb(SP5100_IO_PM_DATA_REG) & 0xf8);
 
+        if (!request_mem_region_exclusive(val, SP5100_WDT_MEM_MAP_SIZE,
+                                                                "SP5100 TCO")) {
+                printk(KERN_ERR PFX "mmio address 0x%04x already in use\n",
+                        val);
+                goto unreg_region;
+        }
+        tcobase_phys = val;
+
         tcobase = ioremap(val, SP5100_WDT_MEM_MAP_SIZE);
         if (tcobase == 0) {
                 printk(KERN_ERR PFX "failed to get tcobase address\n");
-                goto unreg_region;
+                goto unreg_mem_region;
         }
 
         /* Enable watchdog decode bit */
@@ -346,7 +355,8 @@ static unsigned char __devinit sp5100_tco_setupdevice(void)
         /* Done */
         return 1;
 
-        iounmap(tcobase);
+unreg_mem_region:
+        release_mem_region(tcobase_phys, SP5100_WDT_MEM_MAP_SIZE);
 unreg_region:
         release_region(pm_iobase, SP5100_PM_IOPORTS_SIZE);
 exit:
@@ -401,6 +411,7 @@ static int __devinit sp5100_tco_init(struct platform_device *dev)
 
 exit:
         iounmap(tcobase);
+        release_mem_region(tcobase_phys, SP5100_WDT_MEM_MAP_SIZE);
         release_region(pm_iobase, SP5100_PM_IOPORTS_SIZE);
         return ret;
 }
@@ -414,6 +425,7 @@ static void __devexit sp5100_tco_cleanup(void)
         /* Deregister */
         misc_deregister(&sp5100_tco_miscdev);
         iounmap(tcobase);
+        release_mem_region(tcobase_phys, SP5100_WDT_MEM_MAP_SIZE);
         release_region(pm_iobase, SP5100_PM_IOPORTS_SIZE);
 }
 
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 02b5a9c05cfa..036343ba204e 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -122,7 +122,7 @@ static struct irq_chip xen_pirq_chip;
 /* Get info for IRQ */
 static struct irq_info *info_for_irq(unsigned irq)
 {
-        return get_irq_data(irq);
+        return irq_get_handler_data(irq);
 }
 
 /* Constructors for packed IRQ information. */
@@ -403,7 +403,7 @@ static void xen_irq_init(unsigned irq)
 
         info->type = IRQT_UNBOUND;
 
-        set_irq_data(irq, info);
+        irq_set_handler_data(irq, info);
 
         list_add_tail(&info->list, &xen_irq_list_head);
 }
@@ -458,11 +458,11 @@ static int __must_check xen_allocate_irq_gsi(unsigned gsi)
 
 static void xen_free_irq(unsigned irq)
 {
-        struct irq_info *info = get_irq_data(irq);
+        struct irq_info *info = irq_get_handler_data(irq);
 
         list_del(&info->list);
 
-        set_irq_data(irq, NULL);
+        irq_set_handler_data(irq, NULL);
 
         kfree(info);
 
@@ -585,7 +585,7 @@ static void ack_pirq(struct irq_data *data)
 {
         int evtchn = evtchn_from_irq(data->irq);
 
-        move_native_irq(data->irq);
+        irq_move_irq(data);
 
         if (VALID_EVTCHN(evtchn)) {
                 mask_evtchn(evtchn);
@@ -639,8 +639,8 @@ int xen_bind_pirq_gsi_to_irq(unsigned gsi,
         if (irq < 0)
                 goto out;
 
-        set_irq_chip_and_handler_name(irq, &xen_pirq_chip,
-                                      handle_level_irq, name);
+        irq_set_chip_and_handler_name(irq, &xen_pirq_chip, handle_level_irq,
+                                      name);
 
         irq_op.irq = irq;
         irq_op.vector = 0;
@@ -690,8 +690,8 @@ int xen_bind_pirq_msi_to_irq(struct pci_dev *dev, struct msi_desc *msidesc,
         if (irq == -1)
                 goto out;
 
-        set_irq_chip_and_handler_name(irq, &xen_pirq_chip,
-                                      handle_level_irq, name);
+        irq_set_chip_and_handler_name(irq, &xen_pirq_chip, handle_level_irq,
+                                      name);
 
         xen_irq_info_pirq_init(irq, 0, pirq, 0, vector, 0);
         ret = irq_set_msi_desc(irq, msidesc);
@@ -772,7 +772,7 @@ int bind_evtchn_to_irq(unsigned int evtchn)
                 if (irq == -1)
                         goto out;
 
-                set_irq_chip_and_handler_name(irq, &xen_dynamic_chip,
+                irq_set_chip_and_handler_name(irq, &xen_dynamic_chip,
                                               handle_fasteoi_irq, "event");
 
                 xen_irq_info_evtchn_init(irq, evtchn);
@@ -799,7 +799,7 @@ static int bind_ipi_to_irq(unsigned int ipi, unsigned int cpu)
                 if (irq < 0)
                         goto out;
 
-                set_irq_chip_and_handler_name(irq, &xen_percpu_chip,
+                irq_set_chip_and_handler_name(irq, &xen_percpu_chip,
                                               handle_percpu_irq, "ipi");
 
                 bind_ipi.vcpu = cpu;
@@ -848,7 +848,7 @@ int bind_virq_to_irq(unsigned int virq, unsigned int cpu)
                 if (irq == -1)
                         goto out;
 
-                set_irq_chip_and_handler_name(irq, &xen_percpu_chip,
+                irq_set_chip_and_handler_name(irq, &xen_percpu_chip,
                                               handle_percpu_irq, "virq");
 
                 bind_virq.virq = virq;
@@ -1339,7 +1339,7 @@ static void ack_dynirq(struct irq_data *data)
 {
         int evtchn = evtchn_from_irq(data->irq);
 
-        move_masked_irq(data->irq);
+        irq_move_masked_irq(data);
 
         if (VALID_EVTCHN(evtchn))
                 unmask_evtchn(evtchn);
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index 017ce600fbc6..b0f9e8fb0052 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -273,7 +273,7 @@ static int __unmap_grant_pages(struct grant_map *map, int offset, int pages)
                                 map->vma->vm_start + map->notify.addr;
                         err = copy_to_user(tmp, &err, 1);
                         if (err)
-                                return err;
+                                return -EFAULT;
                         map->notify.flags &= ~UNMAP_NOTIFY_CLEAR_BYTE;
                 } else if (pgno >= offset && pgno < offset + pages) {
                         uint8_t *tmp = kmap(map->pages[pgno]);
@@ -662,7 +662,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma)
         if (map->flags) {
                 if ((vma->vm_flags & VM_WRITE) &&
                                 (map->flags & GNTMAP_readonly))
-                        return -EINVAL;
+                        goto out_unlock_put;
         } else {
                 map->flags = GNTMAP_host_map;
                 if (!(vma->vm_flags & VM_WRITE))
@@ -700,6 +700,8 @@ unlock_out:
         spin_unlock(&priv->lock);
         return err;
 
+out_unlock_put:
+        spin_unlock(&priv->lock);
 out_put_map:
         if (use_ptemod)
                 map->vma = NULL;