348 files changed, 3888 insertions, 2459 deletions

diff --git a/drivers/acpi/acpica/hwxface.c b/drivers/acpi/acpica/hwxface.c
index ab513a972c9..a716fede4f2 100644
--- a/drivers/acpi/acpica/hwxface.c
+++ b/drivers/acpi/acpica/hwxface.c
@@ -74,7 +74,8 @@ acpi_status acpi_reset(void)
 
         /* Check if the reset register is supported */
 
-        if (!reset_reg->address) {
+        if (!(acpi_gbl_FADT.flags & ACPI_FADT_RESET_REGISTER) ||
+            !reset_reg->address) {
                 return_ACPI_STATUS(AE_NOT_EXIST);
         }
 
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index ba14fb93c92..c3881b2eb8b 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -607,8 +607,7 @@ acpi_os_install_interrupt_handler(u32 gsi, acpi_osd_handler handler,
 
         acpi_irq_handler = handler;
         acpi_irq_context = context;
-        if (request_threaded_irq(irq, NULL, acpi_irq, IRQF_SHARED, "acpi",
-                                 acpi_irq)) {
+        if (request_irq(irq, acpi_irq, IRQF_SHARED, "acpi", acpi_irq)) {
                 printk(KERN_ERR PREFIX "SCI (IRQ%d) allocation failed\n", irq);
                 acpi_irq_handler = NULL;
                 return AE_NOT_ACQUIRED;
diff --git a/drivers/acpi/reboot.c b/drivers/acpi/reboot.c
index c1d61243593..a6c77e8b37b 100644
--- a/drivers/acpi/reboot.c
+++ b/drivers/acpi/reboot.c
@@ -23,7 +23,8 @@ void acpi_reboot(void)
         /* Is the reset register supported? The spec says we should be
          * checking the bit width and bit offset, but Windows ignores
          * these fields */
-        /* Ignore also acpi_gbl_FADT.flags.ACPI_FADT_RESET_REGISTER */
+        if (!(acpi_gbl_FADT.flags & ACPI_FADT_RESET_REGISTER))
+                return;
 
         reset_value = acpi_gbl_FADT.reset_value;
 
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 1d661b5c328..eb6fd233764 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -28,23 +28,33 @@
 #include "internal.h"
 #include "sleep.h"
 
+u8 wake_sleep_flags = ACPI_NO_OPTIONAL_METHODS;
 static unsigned int gts, bfs;
-module_param(gts, uint, 0644);
-module_param(bfs, uint, 0644);
-MODULE_PARM_DESC(gts, "Enable evaluation of _GTS on suspend.");
-MODULE_PARM_DESC(bfs, "Enable evaluation of _BFS on resume".);
-
-static u8 wake_sleep_flags(void)
+static int set_param_wake_flag(const char *val, struct kernel_param *kp)
 {
-        u8 flags = ACPI_NO_OPTIONAL_METHODS;
+        int ret = param_set_int(val, kp);
 
-        if (gts)
-                flags |= ACPI_EXECUTE_GTS;
-        if (bfs)
-                flags |= ACPI_EXECUTE_BFS;
+        if (ret)
+                return ret;
 
-        return flags;
+        if (kp->arg == (const char *)&gts) {
+                if (gts)
+                        wake_sleep_flags |= ACPI_EXECUTE_GTS;
+                else
+                        wake_sleep_flags &= ~ACPI_EXECUTE_GTS;
+        }
+        if (kp->arg == (const char *)&bfs) {
+                if (bfs)
+                        wake_sleep_flags |= ACPI_EXECUTE_BFS;
+                else
+                        wake_sleep_flags &= ~ACPI_EXECUTE_BFS;
+        }
+        return ret;
 }
+module_param_call(gts, set_param_wake_flag, param_get_int, &gts, 0644);
+module_param_call(bfs, set_param_wake_flag, param_get_int, &bfs, 0644);
+MODULE_PARM_DESC(gts, "Enable evaluation of _GTS on suspend.");
+MODULE_PARM_DESC(bfs, "Enable evaluation of _BFS on resume".);
 
 static u8 sleep_states[ACPI_S_STATE_COUNT];
 
@@ -263,7 +273,6 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
 {
         acpi_status status = AE_OK;
         u32 acpi_state = acpi_target_sleep_state;
-        u8 flags = wake_sleep_flags();
         int error;
 
         ACPI_FLUSH_CPU_CACHE();
@@ -271,7 +280,7 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
         switch (acpi_state) {
         case ACPI_STATE_S1:
                 barrier();
-                status = acpi_enter_sleep_state(acpi_state, flags);
+                status = acpi_enter_sleep_state(acpi_state, wake_sleep_flags);
                 break;
 
         case ACPI_STATE_S3:
@@ -286,7 +295,7 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
         acpi_write_bit_register(ACPI_BITREG_SCI_ENABLE, 1);
 
         /* Reprogram control registers and execute _BFS */
-        acpi_leave_sleep_state_prep(acpi_state, flags);
+        acpi_leave_sleep_state_prep(acpi_state, wake_sleep_flags);
 
         /* ACPI 3.0 specs (P62) says that it's the responsibility
          * of the OSPM to clear the status bit [ implying that the
@@ -550,30 +559,27 @@ static int acpi_hibernation_begin(void)
 
 static int acpi_hibernation_enter(void)
 {
-        u8 flags = wake_sleep_flags();
         acpi_status status = AE_OK;
 
         ACPI_FLUSH_CPU_CACHE();
 
         /* This shouldn't return.  If it returns, we have a problem */
-        status = acpi_enter_sleep_state(ACPI_STATE_S4, flags);
+        status = acpi_enter_sleep_state(ACPI_STATE_S4, wake_sleep_flags);
         /* Reprogram control registers and execute _BFS */
-        acpi_leave_sleep_state_prep(ACPI_STATE_S4, flags);
+        acpi_leave_sleep_state_prep(ACPI_STATE_S4, wake_sleep_flags);
 
         return ACPI_SUCCESS(status) ? 0 : -EFAULT;
 }
 
 static void acpi_hibernation_leave(void)
 {
-        u8 flags = wake_sleep_flags();
-
         /*
          * If ACPI is not enabled by the BIOS and the boot kernel, we need to
          * enable it here.
          */
         acpi_enable();
         /* Reprogram control registers and execute _BFS */
-        acpi_leave_sleep_state_prep(ACPI_STATE_S4, flags);
+        acpi_leave_sleep_state_prep(ACPI_STATE_S4, wake_sleep_flags);
         /* Check the hardware signature */
         if (facs && s4_hardware_signature != facs->hardware_signature) {
                 printk(KERN_EMERG "ACPI: Hardware changed while hibernated, "
@@ -828,12 +834,10 @@ static void acpi_power_off_prepare(void)
 
 static void acpi_power_off(void)
 {
-        u8 flags = wake_sleep_flags();
-
         /* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */
         printk(KERN_DEBUG "%s called\n", __func__);
         local_irq_disable();
-        acpi_enter_sleep_state(ACPI_STATE_S5, flags);
+        acpi_enter_sleep_state(ACPI_STATE_S5, wake_sleep_flags);
 }
 
 /*
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
index 01c2cf4efcd..cc273226dbd 100644
--- a/drivers/amba/bus.c
+++ b/drivers/amba/bus.c
@@ -247,8 +247,7 @@ static int amba_pm_restore(struct device *dev)
 /*
  * Hooks to provide runtime PM of the pclk (bus clock).  It is safe to
  * enable/disable the bus clock at runtime PM suspend/resume as this
- * does not result in loss of context.  However, disabling vcore power
- * would do, so we leave that to the driver.
+ * does not result in loss of context.
  */
 static int amba_pm_runtime_suspend(struct device *dev)
 {
@@ -354,39 +353,6 @@ static void amba_put_disable_pclk(struct amba_device *pcdev)
         clk_put(pclk);
 }
 
-static int amba_get_enable_vcore(struct amba_device *pcdev)
-{
-        struct regulator *vcore = regulator_get(&pcdev->dev, "vcore");
-        int ret;
-
-        pcdev->vcore = vcore;
-
-        if (IS_ERR(vcore)) {
-                /* It is OK not to supply a vcore regulator */
-                if (PTR_ERR(vcore) == -ENODEV)
-                        return 0;
-                return PTR_ERR(vcore);
-        }
-
-        ret = regulator_enable(vcore);
-        if (ret) {
-                regulator_put(vcore);
-                pcdev->vcore = ERR_PTR(-ENODEV);
-        }
-
-        return ret;
-}
-
-static void amba_put_disable_vcore(struct amba_device *pcdev)
-{
-        struct regulator *vcore = pcdev->vcore;
-
-        if (!IS_ERR(vcore)) {
-                regulator_disable(vcore);
-                regulator_put(vcore);
-        }
-}
-
 /*
  * These are the device model conversion veneers; they convert the
  * device model structures to our more specific structures.
@@ -399,10 +365,6 @@ static int amba_probe(struct device *dev)
         int ret;
 
         do {
-                ret = amba_get_enable_vcore(pcdev);
-                if (ret)
-                        break;
-
                 ret = amba_get_enable_pclk(pcdev);
                 if (ret)
                         break;
@@ -420,7 +382,6 @@ static int amba_probe(struct device *dev)
                 pm_runtime_put_noidle(dev);
 
                 amba_put_disable_pclk(pcdev);
-                amba_put_disable_vcore(pcdev);
         } while (0);
 
         return ret;
@@ -442,7 +403,6 @@ static int amba_remove(struct device *dev)
         pm_runtime_put_noidle(dev);
 
         amba_put_disable_pclk(pcdev);
-        amba_put_disable_vcore(pcdev);
 
         return ret;
 }
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 68013f96729..7857e8fd0a3 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -329,6 +329,8 @@ static const struct pci_device_id piix_pci_tbl[] = {
         { 0x8086, 0x8c08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
         /* SATA Controller IDE (Lynx Point) */
         { 0x8086, 0x8c09, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+        /* SATA Controller IDE (DH89xxCC) */
+        { 0x8086, 0x2326, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
         { }     /* terminate list */
 };
 
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index e0bda9ff89c..28db50b57b9 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -95,7 +95,7 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev);
 static void ata_dev_xfermask(struct ata_device *dev);
 static unsigned long ata_dev_blacklisted(const struct ata_device *dev);
 
-unsigned int ata_print_id = 1;
+atomic_t ata_print_id = ATOMIC_INIT(1);
 
 struct ata_force_param {
         const char      *name;
@@ -6029,7 +6029,7 @@ int ata_host_register(struct ata_host *host, struct scsi_host_template *sht)
 
         /* give ports names and add SCSI hosts */
         for (i = 0; i < host->n_ports; i++)
-                host->ports[i]->print_id = ata_print_id++;
+                host->ports[i]->print_id = atomic_inc_return(&ata_print_id);
 
 
         /* Create associated sysfs transport objects  */
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 1ee00c8b5b0..93dabdcd2cb 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -3843,7 +3843,7 @@ int ata_sas_async_port_init(struct ata_port *ap)
         int rc = ap->ops->port_start(ap);
 
         if (!rc) {
-                ap->print_id = ata_print_id++;
+                ap->print_id = atomic_inc_return(&ata_print_id);
                 __ata_port_probe(ap);
         }
 
@@ -3867,7 +3867,7 @@ int ata_sas_port_init(struct ata_port *ap)
         int rc = ap->ops->port_start(ap);
 
         if (!rc) {
-                ap->print_id = ata_print_id++;
+                ap->print_id = atomic_inc_return(&ata_print_id);
                 rc = ata_port_probe(ap);
         }
 
diff --git a/drivers/ata/libata-transport.c b/drivers/ata/libata-transport.c
index 74aaee30e26..c3419048537 100644
--- a/drivers/ata/libata-transport.c
+++ b/drivers/ata/libata-transport.c
@@ -294,6 +294,7 @@ int ata_tport_add(struct device *parent,
         device_enable_async_suspend(dev);
         pm_runtime_set_active(dev);
         pm_runtime_enable(dev);
+        pm_runtime_forbid(dev);
 
         transport_add_device(dev);
         transport_configure_device(dev);
diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index 2e26fcaf635..9d0fd0b7185 100644
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -53,7 +53,7 @@ enum {
         ATA_DNXFER_QUIET        = (1 << 31),
 };
 
-extern unsigned int ata_print_id;
+extern atomic_t ata_print_id;
 extern int atapi_passthru16;
 extern int libata_fua;
 extern int libata_noacpi;
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 38950ea8398..7336d4a7ab3 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -4025,7 +4025,8 @@ static int mv_platform_probe(struct platform_device *pdev)
         struct ata_host *host;
         struct mv_host_priv *hpriv;
         struct resource *res;
-        int n_ports, rc;
+        int n_ports = 0;
+        int rc;
 
         ata_print_version_once(&pdev->dev, DRV_VERSION);
 
diff --git a/drivers/base/soc.c b/drivers/base/soc.c
index 05f150382da..ba29b2e73d4 100644
--- a/drivers/base/soc.c
+++ b/drivers/base/soc.c
@@ -15,7 +15,7 @@
 #include <linux/sys_soc.h>
 #include <linux/err.h>
 
-static DEFINE_IDR(soc_ida);
+static DEFINE_IDA(soc_ida);
 static DEFINE_SPINLOCK(soc_lock);
 
 static ssize_t soc_info_get(struct device *dev,
@@ -168,8 +168,6 @@ void soc_device_unregister(struct soc_device *soc_dev)
 
 static int __init soc_bus_register(void)
 {
-        spin_lock_init(&soc_lock);
-
         return bus_register(&soc_bus_type);
 }
 core_initcall(soc_bus_register);
diff --git a/drivers/bcma/Kconfig b/drivers/bcma/Kconfig
index c1172dafdff..fb7c80fb721 100644
--- a/drivers/bcma/Kconfig
+++ b/drivers/bcma/Kconfig
@@ -29,7 +29,7 @@ config BCMA_HOST_PCI
 
 config BCMA_DRIVER_PCI_HOSTMODE
         bool "Driver for PCI core working in hostmode"
-        depends on BCMA && MIPS
+        depends on BCMA && MIPS && BCMA_HOST_PCI
         help
           PCI core hostmode operation (external PCI bus).
 
diff --git a/drivers/bcma/driver_pci_host.c b/drivers/bcma/driver_pci_host.c
index 4e20bcfa7ec..d2097a11c3c 100644
--- a/drivers/bcma/driver_pci_host.c
+++ b/drivers/bcma/driver_pci_host.c
@@ -10,6 +10,7 @@
  */
 
 #include "bcma_private.h"
+#include <linux/pci.h>
 #include <linux/export.h>
 #include <linux/bcma/bcma.h>
 #include <asm/paccess.h>
diff --git a/drivers/bcma/sprom.c b/drivers/bcma/sprom.c
index cdcf75c0954..3e2a6002aae 100644
--- a/drivers/bcma/sprom.c
+++ b/drivers/bcma/sprom.c
@@ -404,16 +404,19 @@ int bcma_sprom_get(struct bcma_bus *bus)
                 return -EOPNOTSUPP;
 
         if (!bcma_sprom_ext_available(bus)) {
+                bool sprom_onchip;
+
                 /*
                  * External SPROM takes precedence so check
                  * on-chip OTP only when no external SPROM
                  * is present.
                  */
-                if (bcma_sprom_onchip_available(bus)) {
+                sprom_onchip = bcma_sprom_onchip_available(bus);
+                if (sprom_onchip) {
                         /* determine offset */
                         offset = bcma_sprom_onchip_offset(bus);
                 }
-                if (!offset) {
+                if (!offset || !sprom_onchip) {
                         /*
                          * Maybe there is no SPROM on the device?
                          * Now we ask the arch code if there is some sprom
diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c
index e820b68d2f6..acda773b372 100644
--- a/drivers/block/cciss_scsi.c
+++ b/drivers/block/cciss_scsi.c
@@ -866,6 +866,7 @@ cciss_scsi_detect(ctlr_info_t *h)
         sh->can_queue = cciss_tape_cmds;
         sh->sg_tablesize = h->maxsgentries;
         sh->max_cmd_len = MAX_COMMAND_SIZE;
+        sh->max_sectors = h->cciss_max_sectors;
 
         ((struct cciss_scsi_adapter_data_t *) 
                 h->scsi_ctlr)->scsi_host = sh;
@@ -1410,7 +1411,7 @@ static void cciss_scatter_gather(ctlr_info_t *h, CommandList_struct *c,
         /* track how many SG entries we are using */
         if (request_nsgs > h->maxSG)
                 h->maxSG = request_nsgs;
-        c->Header.SGTotal = (__u8) request_nsgs + chained;
+        c->Header.SGTotal = (u16) request_nsgs + chained;
         if (request_nsgs > h->max_cmd_sgentries)
                 c->Header.SGList = h->max_cmd_sgentries;
         else
diff --git a/drivers/block/mtip32xx/Kconfig b/drivers/block/mtip32xx/Kconfig
index b5dd14e072f..0ba837fc62a 100644
--- a/drivers/block/mtip32xx/Kconfig
+++ b/drivers/block/mtip32xx/Kconfig
@@ -4,6 +4,6 @@
 
 config BLK_DEV_PCIESSD_MTIP32XX
         tristate "Block Device Driver for Micron PCIe SSDs"
-        depends on HOTPLUG_PCI_PCIE
+        depends on PCI
         help
           This enables the block driver for Micron PCIe SSDs.
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index 8eb81c96608..00f9fc99209 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -36,6 +36,7 @@
 #include <linux/idr.h>
 #include <linux/kthread.h>
 #include <../drivers/ata/ahci.h>
+#include <linux/export.h>
 #include "mtip32xx.h"
 
 #define HW_CMD_SLOT_SZ          (MTIP_MAX_COMMAND_SLOTS * 32)
@@ -44,6 +45,7 @@
 #define HW_PORT_PRIV_DMA_SZ \
                 (HW_CMD_SLOT_SZ + HW_CMD_TBL_AR_SZ + AHCI_RX_FIS_SZ)
 
+#define HOST_CAP_NZDMA          (1 << 19)
 #define HOST_HSORG              0xFC
 #define HSORG_DISABLE_SLOTGRP_INTR (1<<24)
 #define HSORG_DISABLE_SLOTGRP_PXIS (1<<16)
@@ -139,6 +141,12 @@ static void mtip_command_cleanup(struct driver_data *dd)
         int group = 0, commandslot = 0, commandindex = 0;
         struct mtip_cmd *command;
         struct mtip_port *port = dd->port;
+        static int in_progress;
+
+        if (in_progress)
+                return;
+
+        in_progress = 1;
 
         for (group = 0; group < 4; group++) {
                 for (commandslot = 0; commandslot < 32; commandslot++) {
@@ -165,7 +173,8 @@ static void mtip_command_cleanup(struct driver_data *dd)
 
         up(&port->cmd_slot);
 
-        atomic_set(&dd->drv_cleanup_done, true);
+        set_bit(MTIP_DDF_CLEANUP_BIT, &dd->dd_flag);
+        in_progress = 0;
 }
 
 /*
@@ -262,6 +271,9 @@ static int hba_reset_nosleep(struct driver_data *dd)
                  && time_before(jiffies, timeout))
                 mdelay(1);
 
+        if (test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag))
+                return -1;
+
         if (readl(dd->mmio + HOST_CTL) & HOST_RESET)
                 return -1;
 
@@ -294,6 +306,10 @@ static inline void mtip_issue_ncq_command(struct mtip_port *port, int tag)
                         port->cmd_issue[MTIP_TAG_INDEX(tag)]);
 
         spin_unlock_irqrestore(&port->cmd_issue_lock, flags);
+
+        /* Set the command's timeout value.*/
+        port->commands[tag].comp_time = jiffies + msecs_to_jiffies(
+                                        MTIP_NCQ_COMMAND_TIMEOUT_MS);
 }
 
 /*
@@ -420,7 +436,12 @@ static void mtip_init_port(struct mtip_port *port)
                 writel(0xFFFFFFFF, port->completed[i]);
 
         /* Clear any pending interrupts for this port */
-        writel(readl(port->mmio + PORT_IRQ_STAT), port->mmio + PORT_IRQ_STAT);
+        writel(readl(port->dd->mmio + PORT_IRQ_STAT),
+                                        port->dd->mmio + PORT_IRQ_STAT);
+
+        /* Clear any pending interrupts on the HBA. */
+        writel(readl(port->dd->mmio + HOST_IRQ_STAT),
+                                        port->dd->mmio + HOST_IRQ_STAT);
 
         /* Enable port interrupts */
         writel(DEF_PORT_IRQ, port->mmio + PORT_IRQ_MASK);
@@ -447,6 +468,9 @@ static void mtip_restart_port(struct mtip_port *port)
                  && time_before(jiffies, timeout))
                 ;
 
+        if (test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &port->dd->dd_flag))
+                return;
+
         /*
          * Chip quirk: escalate to hba reset if
          * PxCMD.CR not clear after 500 ms
@@ -475,6 +499,9 @@ static void mtip_restart_port(struct mtip_port *port)
         while (time_before(jiffies, timeout))
                 ;
 
+        if (test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &port->dd->dd_flag))
+                return;
+
         /* Clear PxSCTL.DET */
         writel(readl(port->mmio + PORT_SCR_CTL) & ~1,
                          port->mmio + PORT_SCR_CTL);
@@ -486,15 +513,35 @@ static void mtip_restart_port(struct mtip_port *port)
                          && time_before(jiffies, timeout))
                 ;
 
+        if (test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &port->dd->dd_flag))
+                return;
+
         if ((readl(port->mmio + PORT_SCR_STAT) & 0x01) == 0)
                 dev_warn(&port->dd->pdev->dev,
                         "COM reset failed\n");
 
-        /* Clear SError, the PxSERR.DIAG.x should be set so clear it */
-        writel(readl(port->mmio + PORT_SCR_ERR), port->mmio + PORT_SCR_ERR);
+        mtip_init_port(port);
+        mtip_start_port(port);
 
-        /* Enable the DMA engine */
-        mtip_enable_engine(port, 1);
+}
+
+/*
+ * Helper function for tag logging
+ */
+static void print_tags(struct driver_data *dd,
+                        char *msg,
+                        unsigned long *tagbits,
+                        int cnt)
+{
+        unsigned char tagmap[128];
+        int group, tagmap_len = 0;
+
+        memset(tagmap, 0, sizeof(tagmap));
+        for (group = SLOTBITS_IN_LONGS; group > 0; group--)
+                tagmap_len = sprintf(tagmap + tagmap_len, "%016lX ",
+                                                tagbits[group-1]);
+        dev_warn(&dd->pdev->dev,
+                        "%d command(s) %s: tagmap [%s]", cnt, msg, tagmap);
 }
 
 /*
@@ -514,15 +561,18 @@ static void mtip_timeout_function(unsigned long int data)
         int tag, cmdto_cnt = 0;
         unsigned int bit, group;
         unsigned int num_command_slots = port->dd->slot_groups * 32;
+        unsigned long to, tagaccum[SLOTBITS_IN_LONGS];
 
         if (unlikely(!port))
                 return;
 
-        if (atomic_read(&port->dd->resumeflag) == true) {
+        if (test_bit(MTIP_DDF_RESUME_BIT, &port->dd->dd_flag)) {
                 mod_timer(&port->cmd_timer,
                         jiffies + msecs_to_jiffies(30000));
                 return;
         }
+        /* clear the tag accumulator */
+        memset(tagaccum, 0, SLOTBITS_IN_LONGS * sizeof(long));
 
         for (tag = 0; tag < num_command_slots; tag++) {
                 /*
@@ -540,12 +590,10 @@ static void mtip_timeout_function(unsigned long int data)
                         command = &port->commands[tag];
                         fis = (struct host_to_dev_fis *) command->command;
 
-                        dev_warn(&port->dd->pdev->dev,
-                                "Timeout for command tag %d\n", tag);
-
+                        set_bit(tag, tagaccum);
                         cmdto_cnt++;
                         if (cmdto_cnt == 1)
-                                set_bit(MTIP_FLAG_EH_ACTIVE_BIT, &port->flags);
+                                set_bit(MTIP_PF_EH_ACTIVE_BIT, &port->flags);
 
                         /*
                          * Clear the completed bit. This should prevent
@@ -578,15 +626,29 @@ static void mtip_timeout_function(unsigned long int data)
                 }
         }
 
-        if (cmdto_cnt) {
-                dev_warn(&port->dd->pdev->dev,
-                        "%d commands timed out: restarting port",
-                        cmdto_cnt);
+        if (cmdto_cnt && !test_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags)) {
+                print_tags(port->dd, "timed out", tagaccum, cmdto_cnt);
+
                 mtip_restart_port(port);
-                clear_bit(MTIP_FLAG_EH_ACTIVE_BIT, &port->flags);
+                clear_bit(MTIP_PF_EH_ACTIVE_BIT, &port->flags);
                 wake_up_interruptible(&port->svc_wait);
         }
 
+        if (port->ic_pause_timer) {
+                to  = port->ic_pause_timer + msecs_to_jiffies(1000);
+                if (time_after(jiffies, to)) {
+                        if (!test_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags)) {
+                                port->ic_pause_timer = 0;
+                                clear_bit(MTIP_PF_SE_ACTIVE_BIT, &port->flags);
+                                clear_bit(MTIP_PF_DM_ACTIVE_BIT, &port->flags);
+                                clear_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags);
+                                wake_up_interruptible(&port->svc_wait);
+                        }
+
+
+                }
+        }
+
         /* Restart the timer */
         mod_timer(&port->cmd_timer,
                 jiffies + msecs_to_jiffies(MTIP_TIMEOUT_CHECK_PERIOD));
@@ -681,23 +743,18 @@ static void mtip_completion(struct mtip_port *port,
         complete(waiting);
 }
 
-/*
- * Helper function for tag logging
- */
-static void print_tags(struct driver_data *dd,
-                        char *msg,
-                        unsigned long *tagbits)
+static void mtip_null_completion(struct mtip_port *port,
+                            int tag,
+                            void *data,
+                            int status)
 {
-        unsigned int tag, count = 0;
-
-        for (tag = 0; tag < (dd->slot_groups) * 32; tag++) {
-                if (test_bit(tag, tagbits))
-                        count++;
-        }
-        if (count)
-                dev_info(&dd->pdev->dev, "%s [%i tags]\n", msg, count);
+        return;
 }
 
+static int mtip_read_log_page(struct mtip_port *port, u8 page, u16 *buffer,
+                                dma_addr_t buffer_dma, unsigned int sectors);
+static int mtip_get_smart_attr(struct mtip_port *port, unsigned int id,
+                                                struct smart_attr *attrib);
 /*
  * Handle an error.
  *
@@ -708,12 +765,16 @@ static void print_tags(struct driver_data *dd,
  */
 static void mtip_handle_tfe(struct driver_data *dd)
 {
-        int group, tag, bit, reissue;
+        int group, tag, bit, reissue, rv;
         struct mtip_port *port;
-        struct mtip_cmd  *command;
+        struct mtip_cmd  *cmd;
         u32 completed;
         struct host_to_dev_fis *fis;
         unsigned long tagaccum[SLOTBITS_IN_LONGS];
+        unsigned int cmd_cnt = 0;
+        unsigned char *buf;
+        char *fail_reason = NULL;
+        int fail_all_ncq_write = 0, fail_all_ncq_cmds = 0;
 
         dev_warn(&dd->pdev->dev, "Taskfile error\n");
 
@@ -722,8 +783,11 @@ static void mtip_handle_tfe(struct driver_data *dd)
         /* Stop the timer to prevent command timeouts. */
         del_timer(&port->cmd_timer);
 
+        /* clear the tag accumulator */
+        memset(tagaccum, 0, SLOTBITS_IN_LONGS * sizeof(long));
+
         /* Set eh_active */
-        set_bit(MTIP_FLAG_EH_ACTIVE_BIT, &port->flags);
+        set_bit(MTIP_PF_EH_ACTIVE_BIT, &port->flags);
 
         /* Loop through all the groups */
         for (group = 0; group < dd->slot_groups; group++) {
@@ -732,9 +796,6 @@ static void mtip_handle_tfe(struct driver_data *dd)
                 /* clear completed status register in the hardware.*/
                 writel(completed, port->completed[group]);
 
-                /* clear the tag accumulator */
-                memset(tagaccum, 0, SLOTBITS_IN_LONGS * sizeof(long));
-
                 /* Process successfully completed commands */
                 for (bit = 0; bit < 32 && completed; bit++) {
                         if (!(completed & (1<<bit)))
@@ -745,13 +806,14 @@ static void mtip_handle_tfe(struct driver_data *dd)
                         if (tag == MTIP_TAG_INTERNAL)
                                 continue;
 
-                        command = &port->commands[tag];
-                        if (likely(command->comp_func)) {
+                        cmd = &port->commands[tag];
+                        if (likely(cmd->comp_func)) {
                                 set_bit(tag, tagaccum);
-                                atomic_set(&port->commands[tag].active, 0);
-                                command->comp_func(port,
+                                cmd_cnt++;
+                                atomic_set(&cmd->active, 0);
+                                cmd->comp_func(port,
                                          tag,
-                                         command->comp_data,
+                                         cmd->comp_data,
                                          0);
                         } else {
                                 dev_err(&port->dd->pdev->dev,
@@ -765,12 +827,45 @@ static void mtip_handle_tfe(struct driver_data *dd)
                         }
                 }
         }
-        print_tags(dd, "TFE tags completed:", tagaccum);
+
+        print_tags(dd, "completed (TFE)", tagaccum, cmd_cnt);
 
         /* Restart the port */
         mdelay(20);
         mtip_restart_port(port);
 
+        /* Trying to determine the cause of the error */
+        rv = mtip_read_log_page(dd->port, ATA_LOG_SATA_NCQ,
+                                dd->port->log_buf,
+                                dd->port->log_buf_dma, 1);
+        if (rv) {
+                dev_warn(&dd->pdev->dev,
+                        "Error in READ LOG EXT (10h) command\n");
+                /* non-critical error, don't fail the load */
+        } else {
+                buf = (unsigned char *)dd->port->log_buf;
+                if (buf[259] & 0x1) {
+                        dev_info(&dd->pdev->dev,
+                                "Write protect bit is set.\n");
+                        set_bit(MTIP_DDF_WRITE_PROTECT_BIT, &dd->dd_flag);
+                        fail_all_ncq_write = 1;
+                        fail_reason = "write protect";
+                }
+                if (buf[288] == 0xF7) {
+                        dev_info(&dd->pdev->dev,
+                                "Exceeded Tmax, drive in thermal shutdown.\n");
+                        set_bit(MTIP_DDF_OVER_TEMP_BIT, &dd->dd_flag);
+                        fail_all_ncq_cmds = 1;
+                        fail_reason = "thermal shutdown";
+                }
+                if (buf[288] == 0xBF) {
+                        dev_info(&dd->pdev->dev,
+                                "Drive indicates rebuild has failed.\n");
+                        fail_all_ncq_cmds = 1;
+                        fail_reason = "rebuild failed";
+                }
+        }
+
         /* clear the tag accumulator */
         memset(tagaccum, 0, SLOTBITS_IN_LONGS * sizeof(long));
 
@@ -779,32 +874,47 @@ static void mtip_handle_tfe(struct driver_data *dd)
                 for (bit = 0; bit < 32; bit++) {
                         reissue = 1;
                         tag = (group << 5) + bit;
+                        cmd = &port->commands[tag];
 
                         /* If the active bit is set re-issue the command */
-                        if (atomic_read(&port->commands[tag].active) == 0)
+                        if (atomic_read(&cmd->active) == 0)
                                 continue;
 
-                        fis = (struct host_to_dev_fis *)
-                                port->commands[tag].command;
+                        fis = (struct host_to_dev_fis *)cmd->command;
 
                         /* Should re-issue? */
                         if (tag == MTIP_TAG_INTERNAL ||
                             fis->command == ATA_CMD_SET_FEATURES)
                                 reissue = 0;
+                        else {
+                                if (fail_all_ncq_cmds ||
+                                        (fail_all_ncq_write &&
+                                        fis->command == ATA_CMD_FPDMA_WRITE)) {
+                                        dev_warn(&dd->pdev->dev,
+                                        "  Fail: %s w/tag %d [%s].\n",
+                                        fis->command == ATA_CMD_FPDMA_WRITE ?
+                                                "write" : "read",
+                                        tag,
+                                        fail_reason != NULL ?
+                                                fail_reason : "unknown");
+                                        atomic_set(&cmd->active, 0);
+                                        if (cmd->comp_func) {
+                                                cmd->comp_func(port, tag,
+                                                        cmd->comp_data,
+                                                        -ENODATA);
+                                        }
+                                        continue;
+                                }
+                        }
 
                         /*
                          * First check if this command has
                          *  exceeded its retries.
                          */
-                        if (reissue &&
-                            (port->commands[tag].retries-- > 0)) {
+                        if (reissue && (cmd->retries-- > 0)) {
 
                                 set_bit(tag, tagaccum);
 
-                                /* Update the timeout value. */
-                                port->commands[tag].comp_time =
-                                        jiffies + msecs_to_jiffies(
-                                        MTIP_NCQ_COMMAND_TIMEOUT_MS);
                                 /* Re-issue the command. */
                                 mtip_issue_ncq_command(port, tag);
 
@@ -814,13 +924,13 @@ static void mtip_handle_tfe(struct driver_data *dd)
                         /* Retire a command that will not be reissued */
                         dev_warn(&port->dd->pdev->dev,
                                 "retiring tag %d\n", tag);
-                        atomic_set(&port->commands[tag].active, 0);
+                        atomic_set(&cmd->active, 0);
 
-                        if (port->commands[tag].comp_func)
-                                port->commands[tag].comp_func(
+                        if (cmd->comp_func)
+                                cmd->comp_func(
                                         port,
                                         tag,
-                                        port->commands[tag].comp_data,
+                                        cmd->comp_data,
                                         PORT_IRQ_TF_ERR);
                         else
                                 dev_warn(&port->dd->pdev->dev,
@@ -828,10 +938,10 @@ static void mtip_handle_tfe(struct driver_data *dd)
                                         tag);
                 }
         }
-        print_tags(dd, "TFE tags reissued:", tagaccum);
+        print_tags(dd, "reissued (TFE)", tagaccum, cmd_cnt);
 
         /* clear eh_active */
-        clear_bit(MTIP_FLAG_EH_ACTIVE_BIT, &port->flags);
+        clear_bit(MTIP_PF_EH_ACTIVE_BIT, &port->flags);
         wake_up_interruptible(&port->svc_wait);
 
         mod_timer(&port->cmd_timer,
@@ -899,7 +1009,7 @@ static inline void mtip_process_legacy(struct driver_data *dd, u32 port_stat)
         struct mtip_port *port = dd->port;
         struct mtip_cmd *cmd = &port->commands[MTIP_TAG_INTERNAL];
 
-        if (test_bit(MTIP_FLAG_IC_ACTIVE_BIT, &port->flags) &&
+        if (test_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags) &&
             (cmd != NULL) && !(readl(port->cmd_issue[MTIP_TAG_INTERNAL])
                 & (1 << MTIP_TAG_INTERNAL))) {
                 if (cmd->comp_func) {
@@ -911,8 +1021,6 @@ static inline void mtip_process_legacy(struct driver_data *dd, u32 port_stat)
                 }
         }
 
-        dev_warn(&dd->pdev->dev, "IRQ status 0x%x ignored.\n", port_stat);
-
         return;
 }
 
@@ -968,6 +1076,9 @@ static inline irqreturn_t mtip_handle_irq(struct driver_data *data)
                                 /* don't proceed further */
                                 return IRQ_HANDLED;
                         }
+                        if (test_bit(MTIP_DDF_REMOVE_PENDING_BIT,
+                                                        &dd->dd_flag))
+                                return rv;
 
                         mtip_process_errors(dd, port_stat & PORT_IRQ_ERR);
                 }
@@ -1015,6 +1126,39 @@ static void mtip_issue_non_ncq_command(struct mtip_port *port, int tag)
                 port->cmd_issue[MTIP_TAG_INDEX(tag)]);
 }
 
+static bool mtip_pause_ncq(struct mtip_port *port,
+                                struct host_to_dev_fis *fis)
+{
+        struct host_to_dev_fis *reply;
+        unsigned long task_file_data;
+
+        reply = port->rxfis + RX_FIS_D2H_REG;
+        task_file_data = readl(port->mmio+PORT_TFDATA);
+
+        if ((task_file_data & 1) || (fis->command == ATA_CMD_SEC_ERASE_UNIT))
+                return false;
+
+        if (fis->command == ATA_CMD_SEC_ERASE_PREP) {
+                set_bit(MTIP_PF_SE_ACTIVE_BIT, &port->flags);
+                port->ic_pause_timer = jiffies;
+                return true;
+        } else if ((fis->command == ATA_CMD_DOWNLOAD_MICRO) &&
+                                        (fis->features == 0x03)) {
+                set_bit(MTIP_PF_DM_ACTIVE_BIT, &port->flags);
+                port->ic_pause_timer = jiffies;
+                return true;
+        } else if ((fis->command == ATA_CMD_SEC_ERASE_UNIT) ||
+                ((fis->command == 0xFC) &&
+                        (fis->features == 0x27 || fis->features == 0x72 ||
+                         fis->features == 0x62 || fis->features == 0x26))) {
+                /* Com reset after secure erase or lowlevel format */
+                mtip_restart_port(port);
+                return false;
+        }
+
+        return false;
+}
+
 /*
  * Wait for port to quiesce
  *
@@ -1033,11 +1177,13 @@ static int mtip_quiesce_io(struct mtip_port *port, unsigned long timeout)
 
         to = jiffies + msecs_to_jiffies(timeout);
         do {
-                if (test_bit(MTIP_FLAG_SVC_THD_ACTIVE_BIT, &port->flags) &&
-                        test_bit(MTIP_FLAG_ISSUE_CMDS_BIT, &port->flags)) {
+                if (test_bit(MTIP_PF_SVC_THD_ACTIVE_BIT, &port->flags) &&
+                        test_bit(MTIP_PF_ISSUE_CMDS_BIT, &port->flags)) {
                         msleep(20);
                         continue; /* svc thd is actively issuing commands */
                 }
+                if (test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &port->dd->dd_flag))
+                        return -EFAULT;
                 /*
                  * Ignore s_active bit 0 of array element 0.
                  * This bit will always be set
@@ -1074,7 +1220,7 @@ static int mtip_quiesce_io(struct mtip_port *port, unsigned long timeout)
  *      -EAGAIN  Time out waiting for command to complete.
  */
 static int mtip_exec_internal_command(struct mtip_port *port,
-                                        void *fis,
+                                        struct host_to_dev_fis *fis,
                                         int fis_len,
                                         dma_addr_t buffer,
                                         int buf_len,
@@ -1084,8 +1230,9 @@ static int mtip_exec_internal_command(struct mtip_port *port,
 {
         struct mtip_cmd_sg *command_sg;
         DECLARE_COMPLETION_ONSTACK(wait);
-        int rv = 0;
+        int rv = 0, ready2go = 1;
         struct mtip_cmd *int_cmd = &port->commands[MTIP_TAG_INTERNAL];
+        unsigned long to;
 
         /* Make sure the buffer is 8 byte aligned. This is asic specific. */
         if (buffer & 0x00000007) {
@@ -1094,23 +1241,38 @@ static int mtip_exec_internal_command(struct mtip_port *port,
                 return -EFAULT;
         }
 
-        /* Only one internal command should be running at a time */
-        if (test_and_set_bit(MTIP_TAG_INTERNAL, port->allocated)) {
+        to = jiffies + msecs_to_jiffies(timeout);
+        do {
+                ready2go = !test_and_set_bit(MTIP_TAG_INTERNAL,
+                                                port->allocated);
+                if (ready2go)
+                        break;
+                mdelay(100);
+        } while (time_before(jiffies, to));
+        if (!ready2go) {
                 dev_warn(&port->dd->pdev->dev,
-                        "Internal command already active\n");
+                        "Internal cmd active. new cmd [%02X]\n", fis->command);
                 return -EBUSY;
         }
-        set_bit(MTIP_FLAG_IC_ACTIVE_BIT, &port->flags);
+        set_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags);
+        port->ic_pause_timer = 0;
+
+        if (fis->command == ATA_CMD_SEC_ERASE_UNIT)
+                clear_bit(MTIP_PF_SE_ACTIVE_BIT, &port->flags);
+        else if (fis->command == ATA_CMD_DOWNLOAD_MICRO)
+                clear_bit(MTIP_PF_DM_ACTIVE_BIT, &port->flags);
 
         if (atomic == GFP_KERNEL) {
-                /* wait for io to complete if non atomic */
-                if (mtip_quiesce_io(port, 5000) < 0) {
-                        dev_warn(&port->dd->pdev->dev,
-                                "Failed to quiesce IO\n");
-                        release_slot(port, MTIP_TAG_INTERNAL);
-                        clear_bit(MTIP_FLAG_IC_ACTIVE_BIT, &port->flags);
-                        wake_up_interruptible(&port->svc_wait);
-                        return -EBUSY;
+                if (fis->command != ATA_CMD_STANDBYNOW1) {
+                        /* wait for io to complete if non atomic */
+                        if (mtip_quiesce_io(port, 5000) < 0) {
+                                dev_warn(&port->dd->pdev->dev,
+                                        "Failed to quiesce IO\n");
+                                release_slot(port, MTIP_TAG_INTERNAL);
+                                clear_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags);
+                                wake_up_interruptible(&port->svc_wait);
+                                return -EBUSY;
+                        }
                 }
 
                 /* Set the completion function and data for the command. */
@@ -1120,7 +1282,7 @@ static int mtip_exec_internal_command(struct mtip_port *port,
         } else {
                 /* Clear completion - we're going to poll */
                 int_cmd->comp_data = NULL;
-                int_cmd->comp_func = NULL;
+                int_cmd->comp_func = mtip_null_completion;
         }
 
         /* Copy the command to the command table */
@@ -1159,6 +1321,12 @@ static int mtip_exec_internal_command(struct mtip_port *port,
                                 "Internal command did not complete [%d] "
                                 "within timeout of  %lu ms\n",
                                 atomic, timeout);
+                        if (mtip_check_surprise_removal(port->dd->pdev) ||
+                                test_bit(MTIP_DDF_REMOVE_PENDING_BIT,
+                                                &port->dd->dd_flag)) {
+                                rv = -ENXIO;
+                                goto exec_ic_exit;
+                        }
                         rv = -EAGAIN;
                 }
 
@@ -1166,31 +1334,59 @@ static int mtip_exec_internal_command(struct mtip_port *port,
                         & (1 << MTIP_TAG_INTERNAL)) {
                         dev_warn(&port->dd->pdev->dev,
                                 "Retiring internal command but CI is 1.\n");
+                        if (test_bit(MTIP_DDF_REMOVE_PENDING_BIT,
+                                                &port->dd->dd_flag)) {
+                                hba_reset_nosleep(port->dd);
+                                rv = -ENXIO;
+                        } else {
+                                mtip_restart_port(port);
+                                rv = -EAGAIN;
+                        }
+                        goto exec_ic_exit;
                 }
 
         } else {
                 /* Spin for <timeout> checking if command still outstanding */
                 timeout = jiffies + msecs_to_jiffies(timeout);
-
-                while ((readl(
-                        port->cmd_issue[MTIP_TAG_INTERNAL])
-                        & (1 << MTIP_TAG_INTERNAL))
-                        && time_before(jiffies, timeout))
-                        ;
+                while ((readl(port->cmd_issue[MTIP_TAG_INTERNAL])
+                                & (1 << MTIP_TAG_INTERNAL))
+                                && time_before(jiffies, timeout)) {
+                        if (mtip_check_surprise_removal(port->dd->pdev)) {
+                                rv = -ENXIO;
+                                goto exec_ic_exit;
+                        }
+                        if ((fis->command != ATA_CMD_STANDBYNOW1) &&
+                                test_bit(MTIP_DDF_REMOVE_PENDING_BIT,
+                                                &port->dd->dd_flag)) {
+                                rv = -ENXIO;
+                                goto exec_ic_exit;
+                        }
+                }
 
                 if (readl(port->cmd_issue[MTIP_TAG_INTERNAL])
                         & (1 << MTIP_TAG_INTERNAL)) {
                         dev_err(&port->dd->pdev->dev,
-                                "Internal command did not complete [%d]\n",
-                                atomic);
+                                "Internal command did not complete [atomic]\n");
                         rv = -EAGAIN;
+                        if (test_bit(MTIP_DDF_REMOVE_PENDING_BIT,
+                                                &port->dd->dd_flag)) {
+                                hba_reset_nosleep(port->dd);
+                                rv = -ENXIO;
+                        } else {
+                                mtip_restart_port(port);
+                                rv = -EAGAIN;
+                        }
                 }
         }
-
+exec_ic_exit:
         /* Clear the allocated and active bits for the internal command. */
         atomic_set(&int_cmd->active, 0);
         release_slot(port, MTIP_TAG_INTERNAL);
-        clear_bit(MTIP_FLAG_IC_ACTIVE_BIT, &port->flags);
+        if (rv >= 0 && mtip_pause_ncq(port, fis)) {
+                /* NCQ paused */
+                return rv;
+        }
+        clear_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags);
         wake_up_interruptible(&port->svc_wait);
 
         return rv;
@@ -1240,6 +1436,9 @@ static int mtip_get_identify(struct mtip_port *port, void __user *user_buffer)
         int rv = 0;
         struct host_to_dev_fis fis;
 
+        if (test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &port->dd->dd_flag))
+                return -EFAULT;
+
         /* Build the FIS. */
         memset(&fis, 0, sizeof(struct host_to_dev_fis));
         fis.type        = 0x27;
@@ -1313,6 +1512,7 @@ static int mtip_standby_immediate(struct mtip_port *port)
 {
         int rv;
         struct host_to_dev_fis  fis;
+        unsigned long start;
 
         /* Build the FIS. */
         memset(&fis, 0, sizeof(struct host_to_dev_fis));
@@ -1320,15 +1520,150 @@ static int mtip_standby_immediate(struct mtip_port *port)
         fis.opts        = 1 << 7;
         fis.command     = ATA_CMD_STANDBYNOW1;
 
-        /* Execute the command.  Use a 15-second timeout for large drives. */
+        start = jiffies;
         rv = mtip_exec_internal_command(port,
                                         &fis,
                                         5,
                                         0,
                                         0,
                                         0,
-                                        GFP_KERNEL,
+                                        GFP_ATOMIC,
                                         15000);
+        dbg_printk(MTIP_DRV_NAME "Time taken to complete standby cmd: %d ms\n",
+                        jiffies_to_msecs(jiffies - start));
+        if (rv)
+                dev_warn(&port->dd->pdev->dev,
+                        "STANDBY IMMEDIATE command failed.\n");
+
+        return rv;
+}
+
+/*
+ * Issue a READ LOG EXT command to the device.
+ *
+ * @port        pointer to the port structure.
+ * @page        page number to fetch
+ * @buffer      pointer to buffer
+ * @buffer_dma  dma address corresponding to @buffer
+ * @sectors     page length to fetch, in sectors
+ *
+ * return value
+ *      @rv     return value from mtip_exec_internal_command()
+ */
+static int mtip_read_log_page(struct mtip_port *port, u8 page, u16 *buffer,
+                                dma_addr_t buffer_dma, unsigned int sectors)
+{
+        struct host_to_dev_fis fis;
+
+        memset(&fis, 0, sizeof(struct host_to_dev_fis));
+        fis.type        = 0x27;
+        fis.opts        = 1 << 7;
+        fis.command     = ATA_CMD_READ_LOG_EXT;
+        fis.sect_count  = sectors & 0xFF;
+        fis.sect_cnt_ex = (sectors >> 8) & 0xFF;
+        fis.lba_low     = page;
+        fis.lba_mid     = 0;
+        fis.device      = ATA_DEVICE_OBS;
+
+        memset(buffer, 0, sectors * ATA_SECT_SIZE);
+
+        return mtip_exec_internal_command(port,
+                                        &fis,
+                                        5,
+                                        buffer_dma,
+                                        sectors * ATA_SECT_SIZE,
+                                        0,
+                                        GFP_ATOMIC,
+                                        MTIP_INTERNAL_COMMAND_TIMEOUT_MS);
+}
+
+/*
+ * Issue a SMART READ DATA command to the device.
+ *
+ * @port        pointer to the port structure.
+ * @buffer      pointer to buffer
+ * @buffer_dma  dma address corresponding to @buffer
+ *
+ * return value
+ *      @rv     return value from mtip_exec_internal_command()
+ */
+static int mtip_get_smart_data(struct mtip_port *port, u8 *buffer,
+                                        dma_addr_t buffer_dma)
+{
+        struct host_to_dev_fis fis;
+
+        memset(&fis, 0, sizeof(struct host_to_dev_fis));
+        fis.type        = 0x27;
+        fis.opts        = 1 << 7;
+        fis.command     = ATA_CMD_SMART;
+        fis.features    = 0xD0;
+        fis.sect_count  = 1;
+        fis.lba_mid     = 0x4F;
+        fis.lba_hi      = 0xC2;
+        fis.device      = ATA_DEVICE_OBS;
+
+        return mtip_exec_internal_command(port,
+                                        &fis,
+                                        5,
+                                        buffer_dma,
+                                        ATA_SECT_SIZE,
+                                        0,
+                                        GFP_ATOMIC,
+                                        15000);
+}
+
+/*
+ * Get the value of a smart attribute
+ *
+ * @port        pointer to the port structure
+ * @id          attribute number
+ * @attrib      pointer to return attrib information corresponding to @id
+ *
+ * return value
+ *      -EINVAL NULL buffer passed or unsupported attribute @id.
+ *      -EPERM  Identify data not valid, SMART not supported or not enabled
+ */
+static int mtip_get_smart_attr(struct mtip_port *port, unsigned int id,
+                                                struct smart_attr *attrib)
+{
+        int rv, i;
+        struct smart_attr *pattr;
+
+        if (!attrib)
+                return -EINVAL;
+
+        if (!port->identify_valid) {
+                dev_warn(&port->dd->pdev->dev, "IDENTIFY DATA not valid\n");
+                return -EPERM;
+        }
+        if (!(port->identify[82] & 0x1)) {
+                dev_warn(&port->dd->pdev->dev, "SMART not supported\n");
+                return -EPERM;
+        }
+        if (!(port->identify[85] & 0x1)) {
+                dev_warn(&port->dd->pdev->dev, "SMART not enabled\n");
+                return -EPERM;
+        }
+
+        memset(port->smart_buf, 0, ATA_SECT_SIZE);
+        rv = mtip_get_smart_data(port, port->smart_buf, port->smart_buf_dma);
+        if (rv) {
+                dev_warn(&port->dd->pdev->dev, "Failed to ge SMART data\n");
+                return rv;
+        }
+
+        pattr = (struct smart_attr *)(port->smart_buf + 2);
+        for (i = 0; i < 29; i++, pattr++)
+                if (pattr->attr_id == id) {
+                        memcpy(attrib, pattr, sizeof(struct smart_attr));
+                        break;
+                }
+
+        if (i == 29) {
+                dev_warn(&port->dd->pdev->dev,
+                        "Query for invalid SMART attribute ID\n");
+                rv = -EINVAL;
+        }
 
         return rv;
 }
@@ -1504,10 +1839,7 @@ static int exec_drive_task(struct mtip_port *port, u8 *command)
         fis.cyl_hi      = command[5];
         fis.device      = command[6] & ~0x10; /* Clear the dev bit*/
 
-
-        dbg_printk(MTIP_DRV_NAME "%s: User Command: cmd %x, feat %x, "
-                "nsect %x, sect %x, lcyl %x, "
-                "hcyl %x, sel %x\n",
+        dbg_printk(MTIP_DRV_NAME " %s: User Command: cmd %x, feat %x, nsect %x, sect %x, lcyl %x, hcyl %x, sel %x\n",
                 __func__,
                 command[0],
                 command[1],
@@ -1534,8 +1866,7 @@ static int exec_drive_task(struct mtip_port *port, u8 *command)
         command[4] = reply->cyl_low;
         command[5] = reply->cyl_hi;
 
-        dbg_printk(MTIP_DRV_NAME "%s: Completion Status: stat %x, "
-                "err %x , cyl_lo %x cyl_hi %x\n",
+        dbg_printk(MTIP_DRV_NAME " %s: Completion Status: stat %x, err %x , cyl_lo %x cyl_hi %x\n",
                 __func__,
                 command[0],
                 command[1],
@@ -1578,7 +1909,7 @@ static int exec_drive_command(struct mtip_port *port, u8 *command,
         }
 
         dbg_printk(MTIP_DRV_NAME
-                "%s: User Command: cmd %x, sect %x, "
+                " %s: User Command: cmd %x, sect %x, "
                 "feat %x, sectcnt %x\n",
                 __func__,
                 command[0],
@@ -1607,7 +1938,7 @@ static int exec_drive_command(struct mtip_port *port, u8 *command,
         command[2] = command[3];
 
         dbg_printk(MTIP_DRV_NAME
-                "%s: Completion Status: stat %x, "
+                " %s: Completion Status: stat %x, "
                 "err %x, cmd %x\n",
                 __func__,
                 command[0],
@@ -1810,9 +2141,10 @@ static int exec_drive_taskfile(struct driver_data *dd,
         }
 
         dbg_printk(MTIP_DRV_NAME
-                "taskfile: cmd %x, feat %x, nsect %x,"
+                " %s: cmd %x, feat %x, nsect %x,"
                 " sect/lbal %x, lcyl/lbam %x, hcyl/lbah %x,"
                 " head/dev %x\n",
+                __func__,
                 fis.command,
                 fis.features,
                 fis.sect_count,
@@ -1823,8 +2155,8 @@ static int exec_drive_taskfile(struct driver_data *dd,
 
         switch (fis.command) {
         case ATA_CMD_DOWNLOAD_MICRO:
-                /* Change timeout for Download Microcode to 60 seconds.*/
-                timeout = 60000;
+                /* Change timeout for Download Microcode to 2 minutes */
+                timeout = 120000;
                 break;
         case ATA_CMD_SEC_ERASE_UNIT:
                 /* Change timeout for Security Erase Unit to 4 minutes.*/
@@ -1840,8 +2172,8 @@ static int exec_drive_taskfile(struct driver_data *dd,
                 timeout = 10000;
                 break;
         case ATA_CMD_SMART:
-                /* Change timeout for vendor unique command to 10 secs */
-                timeout = 10000;
+                /* Change timeout for vendor unique command to 15 secs */
+                timeout = 15000;
                 break;
         default:
                 timeout = MTIP_IOCTL_COMMAND_TIMEOUT_MS;
@@ -1903,18 +2235,8 @@ static int exec_drive_taskfile(struct driver_data *dd,
                 req_task->hob_ports[1] = reply->features_ex;
                 req_task->hob_ports[2] = reply->sect_cnt_ex;
         }
-
-        /* Com rest after secure erase or lowlevel format */
-        if (((fis.command == ATA_CMD_SEC_ERASE_UNIT) ||
-                ((fis.command == 0xFC) &&
-                        (fis.features == 0x27 || fis.features == 0x72 ||
-                         fis.features == 0x62 || fis.features == 0x26))) &&
-                         !(reply->command & 1)) {
-                mtip_restart_port(dd->port);
-        }
-
         dbg_printk(MTIP_DRV_NAME
-                "%s: Completion: stat %x,"
+                " %s: Completion: stat %x,"
                 "err %x, sect_cnt %x, lbalo %x,"
                 "lbamid %x, lbahi %x, dev %x\n",
                 __func__,
@@ -2080,14 +2402,10 @@ static void mtip_hw_submit_io(struct driver_data *dd, sector_t start,
         struct host_to_dev_fis  *fis;
         struct mtip_port *port = dd->port;
         struct mtip_cmd *command = &port->commands[tag];
+        int dma_dir = (dir == READ) ? DMA_FROM_DEVICE : DMA_TO_DEVICE;
 
         /* Map the scatter list for DMA access */
-        if (dir == READ)
-                nents = dma_map_sg(&dd->pdev->dev, command->sg,
-                                        nents, DMA_FROM_DEVICE);
-        else
-                nents = dma_map_sg(&dd->pdev->dev, command->sg,
-                                        nents, DMA_TO_DEVICE);
+        nents = dma_map_sg(&dd->pdev->dev, command->sg, nents, dma_dir);
 
         command->scatter_ents = nents;
 
@@ -2127,7 +2445,7 @@ static void mtip_hw_submit_io(struct driver_data *dd, sector_t start,
          */
         command->comp_data = dd;
         command->comp_func = mtip_async_complete;
-        command->direction = (dir == READ ? DMA_FROM_DEVICE : DMA_TO_DEVICE);
+        command->direction = dma_dir;
 
         /*
          * Set the completion function and data for the command passed
@@ -2140,19 +2458,16 @@ static void mtip_hw_submit_io(struct driver_data *dd, sector_t start,
          * To prevent this command from being issued
          * if an internal command is in progress or error handling is active.
          */
-        if (unlikely(test_bit(MTIP_FLAG_IC_ACTIVE_BIT, &port->flags) ||
-                        test_bit(MTIP_FLAG_EH_ACTIVE_BIT, &port->flags))) {
+        if (port->flags & MTIP_PF_PAUSE_IO) {
                 set_bit(tag, port->cmds_to_issue);
-                set_bit(MTIP_FLAG_ISSUE_CMDS_BIT, &port->flags);
+                set_bit(MTIP_PF_ISSUE_CMDS_BIT, &port->flags);
                 return;
         }
 
         /* Issue the command to the hardware */
         mtip_issue_ncq_command(port, tag);
 
-        /* Set the command's timeout value.*/
-        port->commands[tag].comp_time = jiffies + msecs_to_jiffies(
-                                        MTIP_NCQ_COMMAND_TIMEOUT_MS);
+        return;
 }
 
 /*
@@ -2191,6 +2506,10 @@ static struct scatterlist *mtip_hw_get_scatterlist(struct driver_data *dd,
         down(&dd->port->cmd_slot);
         *tag = get_slot(dd->port);
 
+        if (unlikely(test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag))) {
+                up(&dd->port->cmd_slot);
+                return NULL;
+        }
         if (unlikely(*tag < 0))
                 return NULL;
 
@@ -2207,7 +2526,7 @@ static struct scatterlist *mtip_hw_get_scatterlist(struct driver_data *dd,
  * return value
  *      The size, in bytes, of the data copied into buf.
  */
-static ssize_t hw_show_registers(struct device *dev,
+static ssize_t mtip_hw_show_registers(struct device *dev,
                                 struct device_attribute *attr,
                                 char *buf)
 {
@@ -2216,7 +2535,7 @@ static ssize_t hw_show_registers(struct device *dev,
         int size = 0;
         int n;
 
-        size += sprintf(&buf[size], "%s:\ns_active:\n", __func__);
+        size += sprintf(&buf[size], "S ACTive:\n");
 
         for (n = 0; n < dd->slot_groups; n++)
                 size += sprintf(&buf[size], "0x%08x\n",
@@ -2240,20 +2559,39 @@ static ssize_t hw_show_registers(struct device *dev,
                                  group_allocated);
         }
 
-        size += sprintf(&buf[size], "completed:\n");
+        size += sprintf(&buf[size], "Completed:\n");
 
         for (n = 0; n < dd->slot_groups; n++)
                 size += sprintf(&buf[size], "0x%08x\n",
                                 readl(dd->port->completed[n]));
 
-        size += sprintf(&buf[size], "PORT_IRQ_STAT 0x%08x\n",
+        size += sprintf(&buf[size], "PORT IRQ STAT : 0x%08x\n",
                                 readl(dd->port->mmio + PORT_IRQ_STAT));
-        size += sprintf(&buf[size], "HOST_IRQ_STAT 0x%08x\n",
+        size += sprintf(&buf[size], "HOST IRQ STAT : 0x%08x\n",
                                 readl(dd->mmio + HOST_IRQ_STAT));
 
         return size;
 }
-static DEVICE_ATTR(registers, S_IRUGO, hw_show_registers, NULL);
+
+static ssize_t mtip_hw_show_status(struct device *dev,
+                                struct device_attribute *attr,
+                                char *buf)
+{
+        struct driver_data *dd = dev_to_disk(dev)->private_data;
+        int size = 0;
+
+        if (test_bit(MTIP_DDF_OVER_TEMP_BIT, &dd->dd_flag))
+                size += sprintf(buf, "%s", "thermal_shutdown\n");
+        else if (test_bit(MTIP_DDF_WRITE_PROTECT_BIT, &dd->dd_flag))
+                size += sprintf(buf, "%s", "write_protect\n");
+        else
+                size += sprintf(buf, "%s", "online\n");
+
+        return size;
+}
+
+static DEVICE_ATTR(registers, S_IRUGO, mtip_hw_show_registers, NULL);
+static DEVICE_ATTR(status, S_IRUGO, mtip_hw_show_status, NULL);
 
 /*
  * Create the sysfs related attributes.
@@ -2272,7 +2610,10 @@ static int mtip_hw_sysfs_init(struct driver_data *dd, struct kobject *kobj)
 
         if (sysfs_create_file(kobj, &dev_attr_registers.attr))
                 dev_warn(&dd->pdev->dev,
-                        "Error creating registers sysfs entry\n");
+                        "Error creating 'registers' sysfs entry\n");
+        if (sysfs_create_file(kobj, &dev_attr_status.attr))
+                dev_warn(&dd->pdev->dev,
+                        "Error creating 'status' sysfs entry\n");
         return 0;
 }
 
@@ -2292,6 +2633,7 @@ static int mtip_hw_sysfs_exit(struct driver_data *dd, struct kobject *kobj)
                 return -EINVAL;
 
         sysfs_remove_file(kobj, &dev_attr_registers.attr);
+        sysfs_remove_file(kobj, &dev_attr_status.attr);
 
         return 0;
 }
@@ -2384,10 +2726,12 @@ static int mtip_ftl_rebuild_poll(struct driver_data *dd)
                 "FTL rebuild in progress. Polling for completion.\n");
 
         start = jiffies;
-        dd->ftlrebuildflag = 1;
         timeout = jiffies + msecs_to_jiffies(MTIP_FTL_REBUILD_TIMEOUT_MS);
 
         do {
+                if (unlikely(test_bit(MTIP_DDF_REMOVE_PENDING_BIT,
+                                &dd->dd_flag)))
+                        return -EFAULT;
                 if (mtip_check_surprise_removal(dd->pdev))
                         return -EFAULT;
 
@@ -2408,22 +2752,17 @@ static int mtip_ftl_rebuild_poll(struct driver_data *dd)
                         dev_warn(&dd->pdev->dev,
                                 "FTL rebuild complete (%d secs).\n",
                         jiffies_to_msecs(jiffies - start) / 1000);
-                        dd->ftlrebuildflag = 0;
                         mtip_block_initialize(dd);
-                        break;
+                        return 0;
                 }
                 ssleep(10);
         } while (time_before(jiffies, timeout));
 
         /* Check for timeout */
-        if (dd->ftlrebuildflag) {
-                dev_err(&dd->pdev->dev,
+        dev_err(&dd->pdev->dev,
                 "Timed out waiting for FTL rebuild to complete (%d secs).\n",
                 jiffies_to_msecs(jiffies - start) / 1000);
-                return -EFAULT;
-        }
-
-        return 0;
+        return -EFAULT;
 }
 
 /*
@@ -2448,14 +2787,17 @@ static int mtip_service_thread(void *data)
                  * is in progress nor error handling is active
                  */
                 wait_event_interruptible(port->svc_wait, (port->flags) &&
-                        !test_bit(MTIP_FLAG_IC_ACTIVE_BIT, &port->flags) &&
-                        !test_bit(MTIP_FLAG_EH_ACTIVE_BIT, &port->flags));
+                        !(port->flags & MTIP_PF_PAUSE_IO));
 
                 if (kthread_should_stop())
                         break;
 
-                set_bit(MTIP_FLAG_SVC_THD_ACTIVE_BIT, &port->flags);
-                if (test_bit(MTIP_FLAG_ISSUE_CMDS_BIT, &port->flags)) {
+                if (unlikely(test_bit(MTIP_DDF_REMOVE_PENDING_BIT,
+                                &dd->dd_flag)))
+                        break;
+
+                set_bit(MTIP_PF_SVC_THD_ACTIVE_BIT, &port->flags);
+                if (test_bit(MTIP_PF_ISSUE_CMDS_BIT, &port->flags)) {
                         slot = 1;
                         /* used to restrict the loop to one iteration */
                         slot_start = num_cmd_slots;
@@ -2480,21 +2822,19 @@ static int mtip_service_thread(void *data)
                                 /* Issue the command to the hardware */
                                 mtip_issue_ncq_command(port, slot);
 
-                                /* Set the command's timeout value.*/
-                                port->commands[slot].comp_time = jiffies +
-                                msecs_to_jiffies(MTIP_NCQ_COMMAND_TIMEOUT_MS);
-
                                 clear_bit(slot, port->cmds_to_issue);
                         }
 
-                        clear_bit(MTIP_FLAG_ISSUE_CMDS_BIT, &port->flags);
-                } else if (test_bit(MTIP_FLAG_REBUILD_BIT, &port->flags)) {
-                        mtip_ftl_rebuild_poll(dd);
-                        clear_bit(MTIP_FLAG_REBUILD_BIT, &port->flags);
+                        clear_bit(MTIP_PF_ISSUE_CMDS_BIT, &port->flags);
+                } else if (test_bit(MTIP_PF_REBUILD_BIT, &port->flags)) {
+                        if (!mtip_ftl_rebuild_poll(dd))
+                                set_bit(MTIP_DDF_REBUILD_FAILED_BIT,
+                                                        &dd->dd_flag);
+                        clear_bit(MTIP_PF_REBUILD_BIT, &port->flags);
                 }
-                clear_bit(MTIP_FLAG_SVC_THD_ACTIVE_BIT, &port->flags);
+                clear_bit(MTIP_PF_SVC_THD_ACTIVE_BIT, &port->flags);
 
-                if (test_bit(MTIP_FLAG_SVC_THD_SHOULD_STOP_BIT, &port->flags))
+                if (test_bit(MTIP_PF_SVC_THD_STOP_BIT, &port->flags))
                         break;
         }
         return 0;
@@ -2513,6 +2853,9 @@ static int mtip_hw_init(struct driver_data *dd)
         int i;
         int rv;
         unsigned int num_command_slots;
+        unsigned long timeout, timetaken;
+        unsigned char *buf;
+        struct smart_attr attr242;
 
         dd->mmio = pcim_iomap_table(dd->pdev)[MTIP_ABAR];
 
@@ -2547,7 +2890,7 @@ static int mtip_hw_init(struct driver_data *dd)
         /* Allocate memory for the command list. */
         dd->port->command_list =
                 dmam_alloc_coherent(&dd->pdev->dev,
-                        HW_PORT_PRIV_DMA_SZ + (ATA_SECT_SIZE * 2),
+                        HW_PORT_PRIV_DMA_SZ + (ATA_SECT_SIZE * 4),
                         &dd->port->command_list_dma,
                         GFP_KERNEL);
         if (!dd->port->command_list) {
@@ -2560,7 +2903,7 @@ static int mtip_hw_init(struct driver_data *dd)
         /* Clear the memory we have allocated. */
         memset(dd->port->command_list,
                 0,
-                HW_PORT_PRIV_DMA_SZ + (ATA_SECT_SIZE * 2));
+                HW_PORT_PRIV_DMA_SZ + (ATA_SECT_SIZE * 4));
 
         /* Setup the addresse of the RX FIS. */
         dd->port->rxfis     = dd->port->command_list + HW_CMD_SLOT_SZ;
@@ -2576,10 +2919,19 @@ static int mtip_hw_init(struct driver_data *dd)
         dd->port->identify_dma = dd->port->command_tbl_dma +
                                         HW_CMD_TBL_AR_SZ;
 
-        /* Setup the address of the sector buffer. */
+        /* Setup the address of the sector buffer - for some non-ncq cmds */
         dd->port->sector_buffer = (void *) dd->port->identify + ATA_SECT_SIZE;
         dd->port->sector_buffer_dma = dd->port->identify_dma + ATA_SECT_SIZE;
 
+        /* Setup the address of the log buf - for read log command */
+        dd->port->log_buf = (void *)dd->port->sector_buffer  + ATA_SECT_SIZE;
+        dd->port->log_buf_dma = dd->port->sector_buffer_dma + ATA_SECT_SIZE;
+
+        /* Setup the address of the smart buf - for smart read data command */
+        dd->port->smart_buf = (void *)dd->port->log_buf  + ATA_SECT_SIZE;
+        dd->port->smart_buf_dma = dd->port->log_buf_dma + ATA_SECT_SIZE;
+
+
         /* Point the command headers at the command tables. */
         for (i = 0; i < num_command_slots; i++) {
                 dd->port->commands[i].command_header =
@@ -2623,14 +2975,43 @@ static int mtip_hw_init(struct driver_data *dd)
                         dd->port->mmio + i*0x80 + PORT_SDBV;
         }
 
-        /* Reset the HBA. */
-        if (mtip_hba_reset(dd) < 0) {
-                dev_err(&dd->pdev->dev,
-                        "Card did not reset within timeout\n");
-                rv = -EIO;
+        timetaken = jiffies;
+        timeout = jiffies + msecs_to_jiffies(30000);
+        while (((readl(dd->port->mmio + PORT_SCR_STAT) & 0x0F) != 0x03) &&
+                 time_before(jiffies, timeout)) {
+                mdelay(100);
+        }
+        if (unlikely(mtip_check_surprise_removal(dd->pdev))) {
+                timetaken = jiffies - timetaken;
+                dev_warn(&dd->pdev->dev,
+                        "Surprise removal detected at %u ms\n",
+                        jiffies_to_msecs(timetaken));
+                rv = -ENODEV;
+                goto out2 ;
+        }
+        if (unlikely(test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag))) {
+                timetaken = jiffies - timetaken;
+                dev_warn(&dd->pdev->dev,
+                        "Removal detected at %u ms\n",
+                        jiffies_to_msecs(timetaken));
+                rv = -EFAULT;
                 goto out2;
         }
 
+        /* Conditionally reset the HBA. */
+        if (!(readl(dd->mmio + HOST_CAP) & HOST_CAP_NZDMA)) {
+                if (mtip_hba_reset(dd) < 0) {
+                        dev_err(&dd->pdev->dev,
+                                "Card did not reset within timeout\n");
+                        rv = -EIO;
+                        goto out2;
+                }
+        } else {
+                /* Clear any pending interrupts on the HBA */
+                writel(readl(dd->mmio + HOST_IRQ_STAT),
+                        dd->mmio + HOST_IRQ_STAT);
+        }
+
         mtip_init_port(dd->port);
         mtip_start_port(dd->port);
 
@@ -2660,6 +3041,12 @@ static int mtip_hw_init(struct driver_data *dd)
         mod_timer(&dd->port->cmd_timer,
                 jiffies + msecs_to_jiffies(MTIP_TIMEOUT_CHECK_PERIOD));
 
+
+        if (test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag)) {
+                rv = -EFAULT;
+                goto out3;
+        }
+
         if (mtip_get_identify(dd->port, NULL) < 0) {
                 rv = -EFAULT;
                 goto out3;
@@ -2667,10 +3054,47 @@ static int mtip_hw_init(struct driver_data *dd)
 
         if (*(dd->port->identify + MTIP_FTL_REBUILD_OFFSET) ==
                 MTIP_FTL_REBUILD_MAGIC) {
-                set_bit(MTIP_FLAG_REBUILD_BIT, &dd->port->flags);
+                set_bit(MTIP_PF_REBUILD_BIT, &dd->port->flags);
                 return MTIP_FTL_REBUILD_MAGIC;
         }
         mtip_dump_identify(dd->port);
+
+        /* check write protect, over temp and rebuild statuses */
+        rv = mtip_read_log_page(dd->port, ATA_LOG_SATA_NCQ,
+                                dd->port->log_buf,
+                                dd->port->log_buf_dma, 1);
+        if (rv) {
+                dev_warn(&dd->pdev->dev,
+                        "Error in READ LOG EXT (10h) command\n");
+                /* non-critical error, don't fail the load */
+        } else {
+                buf = (unsigned char *)dd->port->log_buf;
+                if (buf[259] & 0x1) {
+                        dev_info(&dd->pdev->dev,
+                                "Write protect bit is set.\n");
+                        set_bit(MTIP_DDF_WRITE_PROTECT_BIT, &dd->dd_flag);
+                }
+                if (buf[288] == 0xF7) {
+                        dev_info(&dd->pdev->dev,
+                                "Exceeded Tmax, drive in thermal shutdown.\n");
+                        set_bit(MTIP_DDF_OVER_TEMP_BIT, &dd->dd_flag);
+                }
+                if (buf[288] == 0xBF) {
+                        dev_info(&dd->pdev->dev,
+                                "Drive indicates rebuild has failed.\n");
+                        /* TODO */
+                }
+        }
+
+        /* get write protect progess */
+        memset(&attr242, 0, sizeof(struct smart_attr));
+        if (mtip_get_smart_attr(dd->port, 242, &attr242))
+                dev_warn(&dd->pdev->dev,
+                                "Unable to check write protect progress\n");
+        else
+                dev_info(&dd->pdev->dev,
+                                "Write protect progress: %d%% (%d blocks)\n",
+                                attr242.cur, attr242.data);
         return rv;
 
 out3:
@@ -2688,7 +3112,7 @@ out2:
 
         /* Free the command/command header memory. */
         dmam_free_coherent(&dd->pdev->dev,
-                                HW_PORT_PRIV_DMA_SZ + (ATA_SECT_SIZE * 2),
+                                HW_PORT_PRIV_DMA_SZ + (ATA_SECT_SIZE * 4),
                                 dd->port->command_list,
                                 dd->port->command_list_dma);
 out1:
@@ -2712,9 +3136,12 @@ static int mtip_hw_exit(struct driver_data *dd)
          * Send standby immediate (E0h) to the drive so that it
          * saves its state.
          */
-        if (atomic_read(&dd->drv_cleanup_done) != true) {
+        if (!test_bit(MTIP_DDF_CLEANUP_BIT, &dd->dd_flag)) {
 
-                mtip_standby_immediate(dd->port);
+                if (!test_bit(MTIP_PF_REBUILD_BIT, &dd->port->flags))
+                        if (mtip_standby_immediate(dd->port))
+                                dev_warn(&dd->pdev->dev,
+                                        "STANDBY IMMEDIATE failed\n");
 
                 /* de-initialize the port. */
                 mtip_deinit_port(dd->port);
@@ -2734,7 +3161,7 @@ static int mtip_hw_exit(struct driver_data *dd)
 
         /* Free the command/command header memory. */
         dmam_free_coherent(&dd->pdev->dev,
-                        HW_PORT_PRIV_DMA_SZ + (ATA_SECT_SIZE * 2),
+                        HW_PORT_PRIV_DMA_SZ + (ATA_SECT_SIZE * 4),
                         dd->port->command_list,
                         dd->port->command_list_dma);
         /* Free the memory allocated for the for structure. */
@@ -2892,6 +3319,9 @@ static int mtip_block_ioctl(struct block_device *dev,
         if (!dd)
                 return -ENOTTY;
 
+        if (unlikely(test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag)))
+                return -ENOTTY;
+
         switch (cmd) {
         case BLKFLSBUF:
                 return -ENOTTY;
@@ -2927,6 +3357,9 @@ static int mtip_block_compat_ioctl(struct block_device *dev,
         if (!dd)
                 return -ENOTTY;
 
+        if (unlikely(test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag)))
+                return -ENOTTY;
+
         switch (cmd) {
         case BLKFLSBUF:
                 return -ENOTTY;
@@ -3049,6 +3482,24 @@ static void mtip_make_request(struct request_queue *queue, struct bio *bio)
         int nents = 0;
         int tag = 0;
 
+        if (unlikely(dd->dd_flag & MTIP_DDF_STOP_IO)) {
+                if (unlikely(test_bit(MTIP_DDF_REMOVE_PENDING_BIT,
+                                                        &dd->dd_flag))) {
+                        bio_endio(bio, -ENXIO);
+                        return;
+                }
+                if (unlikely(test_bit(MTIP_DDF_OVER_TEMP_BIT, &dd->dd_flag))) {
+                        bio_endio(bio, -ENODATA);
+                        return;
+                }
+                if (unlikely(test_bit(MTIP_DDF_WRITE_PROTECT_BIT,
+                                                        &dd->dd_flag) &&
+                                bio_data_dir(bio))) {
+                        bio_endio(bio, -ENODATA);
+                        return;
+                }
+        }
+
         if (unlikely(!bio_has_data(bio))) {
                 blk_queue_flush(queue, 0);
                 bio_endio(bio, 0);
@@ -3061,7 +3512,7 @@ static void mtip_make_request(struct request_queue *queue, struct bio *bio)
 
                 if (unlikely((bio)->bi_vcnt > MTIP_MAX_SG)) {
                         dev_warn(&dd->pdev->dev,
-                                "Maximum number of SGL entries exceeded");
+                                "Maximum number of SGL entries exceeded\n");
                         bio_io_error(bio);
                         mtip_hw_release_scatterlist(dd, tag);
                         return;
@@ -3210,8 +3661,10 @@ skip_create_disk:
                 kobject_put(kobj);
         }
 
-        if (dd->mtip_svc_handler)
+        if (dd->mtip_svc_handler) {
+                set_bit(MTIP_DDF_INIT_DONE_BIT, &dd->dd_flag);
                 return rv; /* service thread created for handling rebuild */
+        }
 
 start_service_thread:
         sprintf(thd_name, "mtip_svc_thd_%02d", index);
@@ -3220,12 +3673,15 @@ start_service_thread:
                                                 dd, thd_name);
 
         if (IS_ERR(dd->mtip_svc_handler)) {
-                printk(KERN_ERR "mtip32xx: service thread failed to start\n");
+                dev_err(&dd->pdev->dev, "service thread failed to start\n");
                 dd->mtip_svc_handler = NULL;
                 rv = -EFAULT;
                 goto kthread_run_error;
         }
 
+        if (wait_for_rebuild == MTIP_FTL_REBUILD_MAGIC)
+                rv = wait_for_rebuild;
+
         return rv;
 
 kthread_run_error:
@@ -3266,16 +3722,18 @@ static int mtip_block_remove(struct driver_data *dd)
         struct kobject *kobj;
 
         if (dd->mtip_svc_handler) {
-                set_bit(MTIP_FLAG_SVC_THD_SHOULD_STOP_BIT, &dd->port->flags);
+                set_bit(MTIP_PF_SVC_THD_STOP_BIT, &dd->port->flags);
                 wake_up_interruptible(&dd->port->svc_wait);
                 kthread_stop(dd->mtip_svc_handler);
         }
 
-        /* Clean up the sysfs attributes managed by the protocol layer. */
-        kobj = kobject_get(&disk_to_dev(dd->disk)->kobj);
-        if (kobj) {
-                mtip_hw_sysfs_exit(dd, kobj);
-                kobject_put(kobj);
+        /* Clean up the sysfs attributes, if created */
+        if (test_bit(MTIP_DDF_INIT_DONE_BIT, &dd->dd_flag)) {
+                kobj = kobject_get(&disk_to_dev(dd->disk)->kobj);
+                if (kobj) {
+                        mtip_hw_sysfs_exit(dd, kobj);
+                        kobject_put(kobj);
+                }
         }
 
         /*
@@ -3283,6 +3741,11 @@ static int mtip_block_remove(struct driver_data *dd)
          * from /dev
          */
         del_gendisk(dd->disk);
+
+        spin_lock(&rssd_index_lock);
+        ida_remove(&rssd_index_ida, dd->index);
+        spin_unlock(&rssd_index_lock);
+
         blk_cleanup_queue(dd->queue);
         dd->disk  = NULL;
         dd->queue = NULL;
@@ -3312,6 +3775,11 @@ static int mtip_block_shutdown(struct driver_data *dd)
 
         /* Delete our gendisk structure, and cleanup the blk queue. */
         del_gendisk(dd->disk);
+
+        spin_lock(&rssd_index_lock);
+        ida_remove(&rssd_index_ida, dd->index);
+        spin_unlock(&rssd_index_lock);
+
         blk_cleanup_queue(dd->queue);
         dd->disk  = NULL;
         dd->queue = NULL;
@@ -3359,11 +3827,6 @@ static int mtip_pci_probe(struct pci_dev *pdev,
                 return -ENOMEM;
         }
 
-        /* Set the atomic variable as 1 in case of SRSI */
-        atomic_set(&dd->drv_cleanup_done, true);
-
-        atomic_set(&dd->resumeflag, false);
-
         /* Attach the private data to this PCI device.  */
         pci_set_drvdata(pdev, dd);
 
@@ -3420,7 +3883,8 @@ static int mtip_pci_probe(struct pci_dev *pdev,
          * instance number.
          */
         instance++;
-
+        if (rv != MTIP_FTL_REBUILD_MAGIC)
+                set_bit(MTIP_DDF_INIT_DONE_BIT, &dd->dd_flag);
         goto done;
 
 block_initialize_err:
@@ -3434,9 +3898,6 @@ iomap_err:
         pci_set_drvdata(pdev, NULL);
         return rv;
 done:
-        /* Set the atomic variable as 0 in case of SRSI */
-        atomic_set(&dd->drv_cleanup_done, true);
-
         return rv;
 }
 
@@ -3452,8 +3913,10 @@ static void mtip_pci_remove(struct pci_dev *pdev)
         struct driver_data *dd = pci_get_drvdata(pdev);
         int counter = 0;
 
+        set_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag);
+
         if (mtip_check_surprise_removal(pdev)) {
-                while (atomic_read(&dd->drv_cleanup_done) == false) {
+                while (!test_bit(MTIP_DDF_CLEANUP_BIT, &dd->dd_flag)) {
                         counter++;
                         msleep(20);
                         if (counter == 10) {
@@ -3463,8 +3926,6 @@ static void mtip_pci_remove(struct pci_dev *pdev)
                         }
                 }
         }
-        /* Set the atomic variable as 1 in case of SRSI */
-        atomic_set(&dd->drv_cleanup_done, true);
 
         /* Clean up the block layer. */
         mtip_block_remove(dd);
@@ -3493,7 +3954,7 @@ static int mtip_pci_suspend(struct pci_dev *pdev, pm_message_t mesg)
                 return -EFAULT;
         }
 
-        atomic_set(&dd->resumeflag, true);
+        set_bit(MTIP_DDF_RESUME_BIT, &dd->dd_flag);
 
         /* Disable ports & interrupts then send standby immediate */
         rv = mtip_block_suspend(dd);
@@ -3559,7 +4020,7 @@ static int mtip_pci_resume(struct pci_dev *pdev)
                 dev_err(&pdev->dev, "Unable to resume\n");
 
 err:
-        atomic_set(&dd->resumeflag, false);
+        clear_bit(MTIP_DDF_RESUME_BIT, &dd->dd_flag);
 
         return rv;
 }
@@ -3608,18 +4069,25 @@ MODULE_DEVICE_TABLE(pci, mtip_pci_tbl);
  */
 static int __init mtip_init(void)
 {
+        int error;
+
         printk(KERN_INFO MTIP_DRV_NAME " Version " MTIP_DRV_VERSION "\n");
 
         /* Allocate a major block device number to use with this driver. */
-        mtip_major = register_blkdev(0, MTIP_DRV_NAME);
-        if (mtip_major < 0) {
+        error = register_blkdev(0, MTIP_DRV_NAME);
+        if (error <= 0) {
                 printk(KERN_ERR "Unable to register block device (%d)\n",
-                mtip_major);
+                error);
                 return -EBUSY;
         }
+        mtip_major = error;
 
         /* Register our PCI operations. */
-        return pci_register_driver(&mtip_pci_driver);
+        error = pci_register_driver(&mtip_pci_driver);
+        if (error)
+                unregister_blkdev(mtip_major, MTIP_DRV_NAME);
+
+        return error;
 }
 
 /*
diff --git a/drivers/block/mtip32xx/mtip32xx.h b/drivers/block/mtip32xx/mtip32xx.h
index e0554a8f223..4ef58336310 100644
--- a/drivers/block/mtip32xx/mtip32xx.h
+++ b/drivers/block/mtip32xx/mtip32xx.h
@@ -34,8 +34,8 @@
 /* offset of Device Control register in PCIe extended capabilites space */
 #define PCIE_CONFIG_EXT_DEVICE_CONTROL_OFFSET   0x48
 
-/* # of times to retry timed out IOs */
-#define MTIP_MAX_RETRIES        5
+/* # of times to retry timed out/failed IOs */
+#define MTIP_MAX_RETRIES        2
 
 /* Various timeout values in ms */
 #define MTIP_NCQ_COMMAND_TIMEOUT_MS       5000
@@ -114,12 +114,41 @@
 #define __force_bit2int (unsigned int __force)
 
 /* below are bit numbers in 'flags' defined in mtip_port */
-#define MTIP_FLAG_IC_ACTIVE_BIT                 0
-#define MTIP_FLAG_EH_ACTIVE_BIT                 1
-#define MTIP_FLAG_SVC_THD_ACTIVE_BIT            2
-#define MTIP_FLAG_ISSUE_CMDS_BIT                4
-#define MTIP_FLAG_REBUILD_BIT                   5
-#define MTIP_FLAG_SVC_THD_SHOULD_STOP_BIT       8
+#define MTIP_PF_IC_ACTIVE_BIT           0 /* pio/ioctl */
+#define MTIP_PF_EH_ACTIVE_BIT           1 /* error handling */
+#define MTIP_PF_SE_ACTIVE_BIT           2 /* secure erase */
+#define MTIP_PF_DM_ACTIVE_BIT           3 /* download microcde */
+#define MTIP_PF_PAUSE_IO        ((1 << MTIP_PF_IC_ACTIVE_BIT) | \
+                                (1 << MTIP_PF_EH_ACTIVE_BIT) | \
+                                (1 << MTIP_PF_SE_ACTIVE_BIT) | \
+                                (1 << MTIP_PF_DM_ACTIVE_BIT))
+
+#define MTIP_PF_SVC_THD_ACTIVE_BIT      4
+#define MTIP_PF_ISSUE_CMDS_BIT          5
+#define MTIP_PF_REBUILD_BIT             6
+#define MTIP_PF_SVC_THD_STOP_BIT        8
+
+/* below are bit numbers in 'dd_flag' defined in driver_data */
+#define MTIP_DDF_REMOVE_PENDING_BIT     1
+#define MTIP_DDF_OVER_TEMP_BIT          2
+#define MTIP_DDF_WRITE_PROTECT_BIT      3
+#define MTIP_DDF_STOP_IO        ((1 << MTIP_DDF_REMOVE_PENDING_BIT) | \
+                                (1 << MTIP_DDF_OVER_TEMP_BIT) | \
+                                (1 << MTIP_DDF_WRITE_PROTECT_BIT))
+
+#define MTIP_DDF_CLEANUP_BIT            5
+#define MTIP_DDF_RESUME_BIT             6
+#define MTIP_DDF_INIT_DONE_BIT          7
+#define MTIP_DDF_REBUILD_FAILED_BIT     8
+
+__packed struct smart_attr{
+        u8 attr_id;
+        u16 flags;
+        u8 cur;
+        u8 worst;
+        u32 data;
+        u8 res[3];
+};
 
 /* Register Frame Information Structure (FIS), host to device. */
 struct host_to_dev_fis {
@@ -345,6 +374,12 @@ struct mtip_port {
          * when the command slot and all associated data structures
          * are no longer needed.
          */
+        u16 *log_buf;
+        dma_addr_t log_buf_dma;
+
+        u8 *smart_buf;
+        dma_addr_t smart_buf_dma;
+
         unsigned long allocated[SLOTBITS_IN_LONGS];
         /*
          * used to queue commands when an internal command is in progress
@@ -368,6 +403,7 @@ struct mtip_port {
          * Timer used to complete commands that have been active for too long.
          */
         struct timer_list cmd_timer;
+        unsigned long ic_pause_timer;
         /*
          * Semaphore used to block threads if there are no
          * command slots available.
@@ -404,13 +440,9 @@ struct driver_data {
 
         unsigned slot_groups; /* number of slot groups the product supports */
 
-        atomic_t drv_cleanup_done; /* Atomic variable for SRSI */
-
         unsigned long index; /* Index to determine the disk name */
 
-        unsigned int ftlrebuildflag; /* FTL rebuild flag */
-
-        atomic_t resumeflag; /* Atomic variable to track suspend/resume */
+        unsigned long dd_flag; /* NOTE: use atomic bit operations on this */
 
         struct task_struct *mtip_svc_handler; /* task_struct of svc thd */
 };
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index c4a60badf25..0d39f2f4294 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -351,6 +351,7 @@ static void virtblk_config_changed_work(struct work_struct *work)
                   cap_str_10, cap_str_2);
 
         set_capacity(vblk->disk, capacity);
+        revalidate_disk(vblk->disk);
 done:
         mutex_unlock(&vblk->config_lock);
 }
@@ -374,6 +375,34 @@ static int init_vq(struct virtio_blk *vblk)
         return err;
 }
 
+/*
+ * Legacy naming scheme used for virtio devices.  We are stuck with it for
+ * virtio blk but don't ever use it for any new driver.
+ */
+static int virtblk_name_format(char *prefix, int index, char *buf, int buflen)
+{
+        const int base = 'z' - 'a' + 1;
+        char *begin = buf + strlen(prefix);
+        char *end = buf + buflen;
+        char *p;
+        int unit;
+
+        p = end - 1;
+        *p = '\0';
+        unit = base;
+        do {
+                if (p == begin)
+                        return -EINVAL;
+                *--p = 'a' + (index % unit);
+                index = (index / unit) - 1;
+        } while (index >= 0);
+
+        memmove(begin, p, end - p);
+        memcpy(buf, prefix, strlen(prefix));
+
+        return 0;
+}
+
 static int __devinit virtblk_probe(struct virtio_device *vdev)
 {
         struct virtio_blk *vblk;
@@ -442,18 +471,7 @@ static int __devinit virtblk_probe(struct virtio_device *vdev)
 
         q->queuedata = vblk;
 
-        if (index < 26) {
-                sprintf(vblk->disk->disk_name, "vd%c", 'a' + index % 26);
-        } else if (index < (26 + 1) * 26) {
-                sprintf(vblk->disk->disk_name, "vd%c%c",
-                        'a' + index / 26 - 1, 'a' + index % 26);
-        } else {
-                const unsigned int m1 = (index / 26 - 1) / 26 - 1;
-                const unsigned int m2 = (index / 26 - 1) % 26;
-                const unsigned int m3 =  index % 26;
-                sprintf(vblk->disk->disk_name, "vd%c%c%c",
-                        'a' + m1, 'a' + m2, 'a' + m3);
-        }
+        virtblk_name_format("vd", index, vblk->disk->disk_name, DISK_NAME_LEN);
 
         vblk->disk->major = major;
         vblk->disk->first_minor = index_to_minor(index);
diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index 0088bf60f36..73f196ca713 100644
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -321,6 +321,7 @@ struct seg_buf {
 static void xen_blkbk_unmap(struct pending_req *req)
 {
         struct gnttab_unmap_grant_ref unmap[BLKIF_MAX_SEGMENTS_PER_REQUEST];
+        struct page *pages[BLKIF_MAX_SEGMENTS_PER_REQUEST];
         unsigned int i, invcount = 0;
         grant_handle_t handle;
         int ret;
@@ -332,25 +333,12 @@ static void xen_blkbk_unmap(struct pending_req *req)
                 gnttab_set_unmap_op(&unmap[invcount], vaddr(req, i),
                                     GNTMAP_host_map, handle);
                 pending_handle(req, i) = BLKBACK_INVALID_HANDLE;
+                pages[invcount] = virt_to_page(vaddr(req, i));
                 invcount++;
         }
 
-        ret = HYPERVISOR_grant_table_op(
-                GNTTABOP_unmap_grant_ref, unmap, invcount);
+        ret = gnttab_unmap_refs(unmap, pages, invcount, false);
         BUG_ON(ret);
-        /*
-         * Note, we use invcount, so nr->pages, so we can't index
-         * using vaddr(req, i).
-         */
-        for (i = 0; i < invcount; i++) {
-                ret = m2p_remove_override(
-                        virt_to_page(unmap[i].host_addr), false);
-                if (ret) {
-                        pr_alert(DRV_PFX "Failed to remove M2P override for %lx\n",
-                                 (unsigned long)unmap[i].host_addr);
-                        continue;
-                }
-        }
 }
 
 static int xen_blkbk_map(struct blkif_request *req,
@@ -378,7 +366,7 @@ static int xen_blkbk_map(struct blkif_request *req,
                                   pending_req->blkif->domid);
         }
 
-        ret = HYPERVISOR_grant_table_op(GNTTABOP_map_grant_ref, map, nseg);
+        ret = gnttab_map_refs(map, NULL, &blkbk->pending_page(pending_req, 0), nseg);
         BUG_ON(ret);
 
         /*
@@ -398,15 +386,6 @@ static int xen_blkbk_map(struct blkif_request *req,
                 if (ret)
                         continue;
 
-                ret = m2p_add_override(PFN_DOWN(map[i].dev_bus_addr),
-                        blkbk->pending_page(pending_req, i), NULL);
-                if (ret) {
-                        pr_alert(DRV_PFX "Failed to install M2P override for %lx (ret: %d)\n",
-                                 (unsigned long)map[i].dev_bus_addr, ret);
-                        /* We could switch over to GNTTABOP_copy */
-                        continue;
-                }
-
                 seg[i].buf  = map[i].dev_bus_addr |
                         (req->u.rw.seg[i].first_sect << 9);
         }
@@ -419,21 +398,18 @@ static int dispatch_discard_io(struct xen_blkif *blkif,
         int err = 0;
         int status = BLKIF_RSP_OKAY;
         struct block_device *bdev = blkif->vbd.bdev;
+        unsigned long secure;
 
         blkif->st_ds_req++;
 
         xen_blkif_get(blkif);
-        if (blkif->blk_backend_type == BLKIF_BACKEND_PHY ||
-            blkif->blk_backend_type == BLKIF_BACKEND_FILE) {
-                unsigned long secure = (blkif->vbd.discard_secure &&
-                        (req->u.discard.flag & BLKIF_DISCARD_SECURE)) ?
-                        BLKDEV_DISCARD_SECURE : 0;
-                err = blkdev_issue_discard(bdev,
-                                req->u.discard.sector_number,
-                                req->u.discard.nr_sectors,
-                                GFP_KERNEL, secure);
-        } else
-                err = -EOPNOTSUPP;
+        secure = (blkif->vbd.discard_secure &&
+                 (req->u.discard.flag & BLKIF_DISCARD_SECURE)) ?
+                 BLKDEV_DISCARD_SECURE : 0;
+
+        err = blkdev_issue_discard(bdev, req->u.discard.sector_number,
+                                   req->u.discard.nr_sectors,
+                                   GFP_KERNEL, secure);
 
         if (err == -EOPNOTSUPP) {
                 pr_debug(DRV_PFX "discard op failed, not supported\n");
@@ -830,7 +806,7 @@ static int __init xen_blkif_init(void)
         int i, mmap_pages;
         int rc = 0;
 
-        if (!xen_pv_domain())
+        if (!xen_domain())
                 return -ENODEV;
 
         blkbk = kzalloc(sizeof(struct xen_blkbk), GFP_KERNEL);
diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h
index d0ee7edc9be..773cf27dc23 100644
--- a/drivers/block/xen-blkback/common.h
+++ b/drivers/block/xen-blkback/common.h
@@ -146,11 +146,6 @@ enum blkif_protocol {
         BLKIF_PROTOCOL_X86_64 = 3,
 };
 
-enum blkif_backend_type {
-        BLKIF_BACKEND_PHY  = 1,
-        BLKIF_BACKEND_FILE = 2,
-};
-
 struct xen_vbd {
         /* What the domain refers to this vbd as. */
         blkif_vdev_t            handle;
@@ -177,7 +172,6 @@ struct xen_blkif {
         unsigned int            irq;
         /* Comms information. */
         enum blkif_protocol     blk_protocol;
-        enum blkif_backend_type blk_backend_type;
         union blkif_back_rings  blk_rings;
         void                    *blk_ring;
         /* The VBD attached to this interface. */
diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c
index 24a2fb57e5d..4f66171c668 100644
--- a/drivers/block/xen-blkback/xenbus.c
+++ b/drivers/block/xen-blkback/xenbus.c
@@ -381,72 +381,49 @@ int xen_blkbk_flush_diskcache(struct xenbus_transaction xbt,
         err = xenbus_printf(xbt, dev->nodename, "feature-flush-cache",
                             "%d", state);
         if (err)
-                xenbus_dev_fatal(dev, err, "writing feature-flush-cache");
+                dev_warn(&dev->dev, "writing feature-flush-cache (%d)", err);
 
         return err;
 }
 
-int xen_blkbk_discard(struct xenbus_transaction xbt, struct backend_info *be)
+static void xen_blkbk_discard(struct xenbus_transaction xbt, struct backend_info *be)
 {
         struct xenbus_device *dev = be->dev;
         struct xen_blkif *blkif = be->blkif;
-        char *type;
         int err;
         int state = 0;
+        struct block_device *bdev = be->blkif->vbd.bdev;
+        struct request_queue *q = bdev_get_queue(bdev);
 
-        type = xenbus_read(XBT_NIL, dev->nodename, "type", NULL);
-        if (!IS_ERR(type)) {
-                if (strncmp(type, "file", 4) == 0) {
-                        state = 1;
-                        blkif->blk_backend_type = BLKIF_BACKEND_FILE;
+        if (blk_queue_discard(q)) {
+                err = xenbus_printf(xbt, dev->nodename,
+                        "discard-granularity", "%u",
+                        q->limits.discard_granularity);
+                if (err) {
+                        dev_warn(&dev->dev, "writing discard-granularity (%d)", err);
+                        return;
                 }
-                if (strncmp(type, "phy", 3) == 0) {
-                        struct block_device *bdev = be->blkif->vbd.bdev;
-                        struct request_queue *q = bdev_get_queue(bdev);
-                        if (blk_queue_discard(q)) {
-                                err = xenbus_printf(xbt, dev->nodename,
-                                        "discard-granularity", "%u",
-                                        q->limits.discard_granularity);
-                                if (err) {
-                                        xenbus_dev_fatal(dev, err,
-                                                "writing discard-granularity");
-                                        goto kfree;
-                                }
-                                err = xenbus_printf(xbt, dev->nodename,
-                                        "discard-alignment", "%u",
-                                        q->limits.discard_alignment);
-                                if (err) {
-                                        xenbus_dev_fatal(dev, err,
-                                                "writing discard-alignment");
-                                        goto kfree;
-                                }
-                                state = 1;
-                                blkif->blk_backend_type = BLKIF_BACKEND_PHY;
-                        }
-                        /* Optional. */
-                        err = xenbus_printf(xbt, dev->nodename,
-                                "discard-secure", "%d",
-                                blkif->vbd.discard_secure);
-                        if (err) {
-                                xenbus_dev_fatal(dev, err,
-                                        "writting discard-secure");
-                                goto kfree;
-                        }
+                err = xenbus_printf(xbt, dev->nodename,
+                        "discard-alignment", "%u",
+                        q->limits.discard_alignment);
+                if (err) {
+                        dev_warn(&dev->dev, "writing discard-alignment (%d)", err);
+                        return;
+                }
+                state = 1;
+                /* Optional. */
+                err = xenbus_printf(xbt, dev->nodename,
+                                    "discard-secure", "%d",
+                                    blkif->vbd.discard_secure);
+                if (err) {
+                        dev_warn(&dev->dev, "writing discard-secure (%d)", err);
+                        return;
                 }
-        } else {
-                err = PTR_ERR(type);
-                xenbus_dev_fatal(dev, err, "reading type");
-                goto out;
         }
-
         err = xenbus_printf(xbt, dev->nodename, "feature-discard",
                             "%d", state);
         if (err)
-                xenbus_dev_fatal(dev, err, "writing feature-discard");
-kfree:
-        kfree(type);
-out:
-        return err;
+                dev_warn(&dev->dev, "writing feature-discard (%d)", err);
 }
 int xen_blkbk_barrier(struct xenbus_transaction xbt,
                       struct backend_info *be, int state)
@@ -457,7 +434,7 @@ int xen_blkbk_barrier(struct xenbus_transaction xbt,
         err = xenbus_printf(xbt, dev->nodename, "feature-barrier",
                             "%d", state);
         if (err)
-                xenbus_dev_fatal(dev, err, "writing feature-barrier");
+                dev_warn(&dev->dev, "writing feature-barrier (%d)", err);
 
         return err;
 }
@@ -689,14 +666,12 @@ again:
                 return;
         }
 
-        err = xen_blkbk_flush_diskcache(xbt, be, be->blkif->vbd.flush_support);
-        if (err)
-                goto abort;
+        /* If we can't advertise it is OK. */
+        xen_blkbk_flush_diskcache(xbt, be, be->blkif->vbd.flush_support);
 
-        err = xen_blkbk_discard(xbt, be);
+        xen_blkbk_discard(xbt, be);
 
-        /* If we can't advertise it is OK. */
-        err = xen_blkbk_barrier(xbt, be, be->blkif->vbd.flush_support);
+        xen_blkbk_barrier(xbt, be, be->blkif->vbd.flush_support);
 
         err = xenbus_printf(xbt, dev->nodename, "sectors", "%llu",
                             (unsigned long long)vbd_sz(&be->blkif->vbd));
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 98cbeba8cd5..4e86393a09c 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -43,6 +43,7 @@
 #include <linux/slab.h>
 #include <linux/mutex.h>
 #include <linux/scatterlist.h>
+#include <linux/bitmap.h>
 
 #include <xen/xen.h>
 #include <xen/xenbus.h>
@@ -81,6 +82,7 @@ static const struct block_device_operations xlvbd_block_fops;
  */
 struct blkfront_info
 {
+        spinlock_t io_lock;
         struct mutex mutex;
         struct xenbus_device *xbdev;
         struct gendisk *gd;
@@ -105,8 +107,6 @@ struct blkfront_info
         int is_ready;
 };
 
-static DEFINE_SPINLOCK(blkif_io_lock);
-
 static unsigned int nr_minors;
 static unsigned long *minors;
 static DEFINE_SPINLOCK(minor_lock);
@@ -177,8 +177,7 @@ static int xlbd_reserve_minors(unsigned int minor, unsigned int nr)
 
         spin_lock(&minor_lock);
         if (find_next_bit(minors, end, minor) >= end) {
-                for (; minor < end; ++minor)
-                        __set_bit(minor, minors);
+                bitmap_set(minors, minor, nr);
                 rc = 0;
         } else
                 rc = -EBUSY;
@@ -193,8 +192,7 @@ static void xlbd_release_minors(unsigned int minor, unsigned int nr)
 
         BUG_ON(end > nr_minors);
         spin_lock(&minor_lock);
-        for (; minor < end; ++minor)
-                __clear_bit(minor, minors);
+        bitmap_clear(minors,  minor, nr);
         spin_unlock(&minor_lock);
 }
 
@@ -419,7 +417,7 @@ static int xlvbd_init_blk_queue(struct gendisk *gd, u16 sector_size)
         struct request_queue *rq;
         struct blkfront_info *info = gd->private_data;
 
-        rq = blk_init_queue(do_blkif_request, &blkif_io_lock);
+        rq = blk_init_queue(do_blkif_request, &info->io_lock);
         if (rq == NULL)
                 return -1;
 
@@ -636,14 +634,14 @@ static void xlvbd_release_gendisk(struct blkfront_info *info)
         if (info->rq == NULL)
                 return;
 
-        spin_lock_irqsave(&blkif_io_lock, flags);
+        spin_lock_irqsave(&info->io_lock, flags);
 
         /* No more blkif_request(). */
         blk_stop_queue(info->rq);
 
         /* No more gnttab callback work. */
         gnttab_cancel_free_callback(&info->callback);
-        spin_unlock_irqrestore(&blkif_io_lock, flags);
+        spin_unlock_irqrestore(&info->io_lock, flags);
 
         /* Flush gnttab callback work. Must be done with no locks held. */
         flush_work_sync(&info->work);
@@ -675,16 +673,16 @@ static void blkif_restart_queue(struct work_struct *work)
 {
         struct blkfront_info *info = container_of(work, struct blkfront_info, work);
 
-        spin_lock_irq(&blkif_io_lock);
+        spin_lock_irq(&info->io_lock);
         if (info->connected == BLKIF_STATE_CONNECTED)
                 kick_pending_request_queues(info);
-        spin_unlock_irq(&blkif_io_lock);
+        spin_unlock_irq(&info->io_lock);
 }
 
 static void blkif_free(struct blkfront_info *info, int suspend)
 {
         /* Prevent new requests being issued until we fix things up. */
-        spin_lock_irq(&blkif_io_lock);
+        spin_lock_irq(&info->io_lock);
         info->connected = suspend ?
                 BLKIF_STATE_SUSPENDED : BLKIF_STATE_DISCONNECTED;
         /* No more blkif_request(). */
@@ -692,7 +690,7 @@ static void blkif_free(struct blkfront_info *info, int suspend)
                 blk_stop_queue(info->rq);
         /* No more gnttab callback work. */
         gnttab_cancel_free_callback(&info->callback);
-        spin_unlock_irq(&blkif_io_lock);
+        spin_unlock_irq(&info->io_lock);
 
         /* Flush gnttab callback work. Must be done with no locks held. */
         flush_work_sync(&info->work);
@@ -728,10 +726,10 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id)
         struct blkfront_info *info = (struct blkfront_info *)dev_id;
         int error;
 
-        spin_lock_irqsave(&blkif_io_lock, flags);
+        spin_lock_irqsave(&info->io_lock, flags);
 
         if (unlikely(info->connected != BLKIF_STATE_CONNECTED)) {
-                spin_unlock_irqrestore(&blkif_io_lock, flags);
+                spin_unlock_irqrestore(&info->io_lock, flags);
                 return IRQ_HANDLED;
         }
 
@@ -816,7 +814,7 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id)
 
         kick_pending_request_queues(info);
 
-        spin_unlock_irqrestore(&blkif_io_lock, flags);
+        spin_unlock_irqrestore(&info->io_lock, flags);
 
         return IRQ_HANDLED;
 }
@@ -991,6 +989,7 @@ static int blkfront_probe(struct xenbus_device *dev,
         }
 
         mutex_init(&info->mutex);
+        spin_lock_init(&info->io_lock);
         info->xbdev = dev;
         info->vdevice = vdevice;
         info->connected = BLKIF_STATE_DISCONNECTED;
@@ -1068,7 +1067,7 @@ static int blkif_recover(struct blkfront_info *info)
 
         xenbus_switch_state(info->xbdev, XenbusStateConnected);
 
-        spin_lock_irq(&blkif_io_lock);
+        spin_lock_irq(&info->io_lock);
 
         /* Now safe for us to use the shared ring */
         info->connected = BLKIF_STATE_CONNECTED;
@@ -1079,7 +1078,7 @@ static int blkif_recover(struct blkfront_info *info)
         /* Kick any other new requests queued since we resumed */
         kick_pending_request_queues(info);
 
-        spin_unlock_irq(&blkif_io_lock);
+        spin_unlock_irq(&info->io_lock);
 
         return 0;
 }
@@ -1277,10 +1276,10 @@ static void blkfront_connect(struct blkfront_info *info)
         xenbus_switch_state(info->xbdev, XenbusStateConnected);
 
         /* Kick pending requests. */
-        spin_lock_irq(&blkif_io_lock);
+        spin_lock_irq(&info->io_lock);
         info->connected = BLKIF_STATE_CONNECTED;
         kick_pending_request_queues(info);
-        spin_unlock_irq(&blkif_io_lock);
+        spin_unlock_irq(&info->io_lock);
 
         add_disk(info->gd);
 
@@ -1410,7 +1409,6 @@ static int blkif_release(struct gendisk *disk, fmode_t mode)
         mutex_lock(&blkfront_mutex);
 
         bdev = bdget_disk(disk, 0);
-        bdput(bdev);
 
         if (bdev->bd_openers)
                 goto out;
@@ -1441,6 +1439,7 @@ static int blkif_release(struct gendisk *disk, fmode_t mode)
         }
 
 out:
+        bdput(bdev);
         mutex_unlock(&blkfront_mutex);
         return 0;
 }
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index 48442476ec0..ae9edca7b56 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -72,7 +72,9 @@ static struct usb_device_id ath3k_table[] = {
 
         /* Atheros AR3012 with sflash firmware*/
         { USB_DEVICE(0x0CF3, 0x3004) },
+        { USB_DEVICE(0x0CF3, 0x311D) },
         { USB_DEVICE(0x13d3, 0x3375) },
+        { USB_DEVICE(0x04CA, 0x3005) },
 
         /* Atheros AR5BBU12 with sflash firmware */
         { USB_DEVICE(0x0489, 0xE02C) },
@@ -89,7 +91,9 @@ static struct usb_device_id ath3k_blist_tbl[] = {
 
         /* Atheros AR3012 with sflash firmware*/
         { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
+        { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
         { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
+        { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
 
         { }     /* Terminating entry */
 };
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 480cad92004..3311b812a0c 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -61,7 +61,7 @@ static struct usb_device_id btusb_table[] = {
         { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
 
         /* Broadcom SoftSailing reporting vendor specific */
-        { USB_DEVICE(0x05ac, 0x21e1) },
+        { USB_DEVICE(0x0a5c, 0x21e1) },
 
         /* Apple MacBookPro 7,1 */
         { USB_DEVICE(0x05ac, 0x8213) },
@@ -103,6 +103,7 @@ static struct usb_device_id btusb_table[] = {
         /* Broadcom BCM20702A0 */
         { USB_DEVICE(0x0a5c, 0x21e3) },
         { USB_DEVICE(0x0a5c, 0x21e6) },
+        { USB_DEVICE(0x0a5c, 0x21e8) },
         { USB_DEVICE(0x0a5c, 0x21f3) },
         { USB_DEVICE(0x413c, 0x8197) },
 
@@ -129,7 +130,9 @@ static struct usb_device_id blacklist_table[] = {
 
         /* Atheros 3012 with sflash firmware */
         { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
+        { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
         { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
+        { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
 
         /* Atheros AR5BBU12 with sflash firmware */
         { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index fd5adb408f4..98a8c05d4f2 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -299,11 +299,11 @@ static void hci_uart_tty_close(struct tty_struct *tty)
                         hci_uart_close(hdev);
 
                 if (test_and_clear_bit(HCI_UART_PROTO_SET, &hu->flags)) {
-                        hu->proto->close(hu);
                         if (hdev) {
                                 hci_unregister_dev(hdev);
                                 hci_free_dev(hdev);
                         }
+                        hu->proto->close(hu);
                 }
 
                 kfree(hu);
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index 3845ab44c33..dfd7876f127 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -906,8 +906,8 @@ int hpet_alloc(struct hpet_data *hdp)
                 hpetp->hp_which, hdp->hd_phys_address,
                 hpetp->hp_ntimer > 1 ? "s" : "");
         for (i = 0; i < hpetp->hp_ntimer; i++)
-                printk("%s %d", i > 0 ? "," : "", hdp->hd_irq[i]);
-        printk("\n");
+                printk(KERN_CONT "%s %d", i > 0 ? "," : "", hdp->hd_irq[i]);
+        printk(KERN_CONT "\n");
 
         temp = hpetp->hp_tick_freq;
         remainder = do_div(temp, 1000000);
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 54ca8b23cde..4ec04a75473 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1260,10 +1260,15 @@ static int proc_do_uuid(ctl_table *table, int write,
         uuid = table->data;
         if (!uuid) {
                 uuid = tmp_uuid;
-                uuid[8] = 0;
-        }
-        if (uuid[8] == 0)
                 generate_random_uuid(uuid);
+        } else {
+                static DEFINE_SPINLOCK(bootid_spinlock);
+
+                spin_lock(&bootid_spinlock);
+                if (!uuid[8])
+                        generate_random_uuid(uuid);
+                spin_unlock(&bootid_spinlock);
+        }
 
         sprintf(buf, "%pU", uuid);
 
diff --git a/drivers/clocksource/acpi_pm.c b/drivers/clocksource/acpi_pm.c
index 82e882028fc..6b5cf02c35c 100644
--- a/drivers/clocksource/acpi_pm.c
+++ b/drivers/clocksource/acpi_pm.c
@@ -23,7 +23,6 @@
 #include <linux/init.h>
 #include <linux/pci.h>
 #include <linux/delay.h>
-#include <linux/async.h>
 #include <asm/io.h>
 
 /*
@@ -180,15 +179,17 @@ static int verify_pmtmr_rate(void)
 /* Number of reads we try to get two different values */
 #define ACPI_PM_READ_CHECKS 10000
 
-static void __init acpi_pm_clocksource_async(void *unused, async_cookie_t cookie)
+static int __init init_acpi_pm_clocksource(void)
 {
         cycle_t value1, value2;
         unsigned int i, j = 0;
 
+        if (!pmtmr_ioport)
+                return -ENODEV;
 
         /* "verify" this timing source: */
         for (j = 0; j < ACPI_PM_MONOTONICITY_CHECKS; j++) {
-                usleep_range(100 * j, 100 * j + 100);
+                udelay(100 * j);
                 value1 = clocksource_acpi_pm.read(&clocksource_acpi_pm);
                 for (i = 0; i < ACPI_PM_READ_CHECKS; i++) {
                         value2 = clocksource_acpi_pm.read(&clocksource_acpi_pm);
@@ -202,34 +203,25 @@ static void __init acpi_pm_clocksource_async(void *unused, async_cookie_t cookie
                                " 0x%#llx, 0x%#llx - aborting.\n",
                                value1, value2);
                         pmtmr_ioport = 0;
-                        return;
+                        return -EINVAL;
                 }
                 if (i == ACPI_PM_READ_CHECKS) {
                         printk(KERN_INFO "PM-Timer failed consistency check "
                                " (0x%#llx) - aborting.\n", value1);
                         pmtmr_ioport = 0;
-                        return;
+                        return -ENODEV;
                 }
         }
 
         if (verify_pmtmr_rate() != 0){
                 pmtmr_ioport = 0;
-                return;
+                return -ENODEV;
         }
 
-        clocksource_register_hz(&clocksource_acpi_pm,
+        return clocksource_register_hz(&clocksource_acpi_pm,
                                                 PMTMR_TICKS_PER_SEC);
 }
 
-static int __init init_acpi_pm_clocksource(void)
-{
-        if (!pmtmr_ioport)
-                return -ENODEV;
-
-        async_schedule(acpi_pm_clocksource_async, NULL);
-        return 0;
-}
-
 /* We use fs_initcall because we want the PCI fixups to have run
  * but we still need to load before device_initcall
  */
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
index ffbb4468591..5961e6415f0 100644
--- a/drivers/cpufreq/Kconfig.arm
+++ b/drivers/cpufreq/Kconfig.arm
@@ -4,6 +4,7 @@
 
 config ARM_OMAP2PLUS_CPUFREQ
         bool "TI OMAP2+"
+        depends on ARCH_OMAP2PLUS
         default ARCH_OMAP2PLUS
         select CPU_FREQ_TABLE
 
diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c
index 0053d7ebb5c..8f3f74ce8c7 100644
--- a/drivers/crypto/ixp4xx_crypto.c
+++ b/drivers/crypto/ixp4xx_crypto.c
@@ -18,6 +18,7 @@
 #include <linux/interrupt.h>
 #include <linux/spinlock.h>
 #include <linux/gfp.h>
+#include <linux/module.h>
 
 #include <crypto/ctr.h>
 #include <crypto/des.h>
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index dc641c79652..921039e56f8 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -124,6 +124,9 @@ struct talitos_private {
         void __iomem *reg;
         int irq[2];
 
+        /* SEC global registers lock  */
+        spinlock_t reg_lock ____cacheline_aligned;
+
         /* SEC version geometry (from device tree node) */
         unsigned int num_channels;
         unsigned int chfifo_len;
@@ -412,6 +415,7 @@ static void talitos_done_##name(unsigned long data)			\
 {                                                                       \
         struct device *dev = (struct device *)data;                     \
         struct talitos_private *priv = dev_get_drvdata(dev);            \
+        unsigned long flags;                                            \
                                                                         \
         if (ch_done_mask & 1)                                           \
                 flush_channel(dev, 0, 0, 0);                            \
@@ -427,8 +431,10 @@ static void talitos_done_##name(unsigned long data)			\
 out:                                                                    \
         /* At this point, all completed channels have been processed */ \
         /* Unmask done interrupts for channels completed later on. */   \
+        spin_lock_irqsave(&priv->reg_lock, flags);                      \
         setbits32(priv->reg + TALITOS_IMR, ch_done_mask);               \
         setbits32(priv->reg + TALITOS_IMR_LO, TALITOS_IMR_LO_INIT);     \
+        spin_unlock_irqrestore(&priv->reg_lock, flags);                 \
 }
 DEF_TALITOS_DONE(4ch, TALITOS_ISR_4CHDONE)
 DEF_TALITOS_DONE(ch0_2, TALITOS_ISR_CH_0_2_DONE)
@@ -619,22 +625,28 @@ static irqreturn_t talitos_interrupt_##name(int irq, void *data)	       \
         struct device *dev = data;                                             \
         struct talitos_private *priv = dev_get_drvdata(dev);                   \
         u32 isr, isr_lo;                                                       \
+        unsigned long flags;                                                   \
                                                                                \
+        spin_lock_irqsave(&priv->reg_lock, flags);                             \
         isr = in_be32(priv->reg + TALITOS_ISR);                                \
         isr_lo = in_be32(priv->reg + TALITOS_ISR_LO);                          \
         /* Acknowledge interrupt */                                            \
         out_be32(priv->reg + TALITOS_ICR, isr & (ch_done_mask | ch_err_mask)); \
         out_be32(priv->reg + TALITOS_ICR_LO, isr_lo);                          \
                                                                                \
-        if (unlikely((isr & ~TALITOS_ISR_4CHDONE) & ch_err_mask || isr_lo))    \
-                talitos_error(dev, isr, isr_lo);                               \
-        else                                                                   \
+        if (unlikely(isr & ch_err_mask || isr_lo)) {                           \
+                spin_unlock_irqrestore(&priv->reg_lock, flags);                \
+                talitos_error(dev, isr & ch_err_mask, isr_lo);                 \
+        }                                                                      \
+        else {                                                                 \
                 if (likely(isr & ch_done_mask)) {                              \
                         /* mask further done interrupts. */                    \
                         clrbits32(priv->reg + TALITOS_IMR, ch_done_mask);      \
                         /* done_task will unmask done interrupts at exit */    \
                         tasklet_schedule(&priv->done_task[tlet]);              \
                 }                                                              \
+                spin_unlock_irqrestore(&priv->reg_lock, flags);                \
+        }                                                                      \
                                                                                \
         return (isr & (ch_done_mask | ch_err_mask) || isr_lo) ? IRQ_HANDLED :  \
                                                                 IRQ_NONE;      \
@@ -2719,6 +2731,8 @@ static int talitos_probe(struct platform_device *ofdev)
 
         priv->ofdev = ofdev;
 
+        spin_lock_init(&priv->reg_lock);
+
         err = talitos_probe_irq(ofdev);
         if (err)
                 goto err_out;
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index cf9da362d64..ef378b5b17e 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -91,11 +91,10 @@ config DW_DMAC
 
 config AT_HDMAC
         tristate "Atmel AHB DMA support"
-        depends on ARCH_AT91SAM9RL || ARCH_AT91SAM9G45
+        depends on ARCH_AT91
         select DMA_ENGINE
         help
-          Support the Atmel AHB DMA controller.  This can be integrated in
-          chips such as the Atmel AT91SAM9RL.
+          Support the Atmel AHB DMA controller.
 
 config FSL_DMA
         tristate "Freescale Elo and Elo Plus DMA support"
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index c301a8ec31a..3d704abd791 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -1429,6 +1429,7 @@ static int pl08x_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
                          * signal
                          */
                         release_phy_channel(plchan);
+                        plchan->phychan_hold = 0;
                 }
                 /* Dequeue jobs and free LLIs */
                 if (plchan->at) {
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index 7aa58d20489..445fdf81169 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -221,10 +221,6 @@ static void atc_dostart(struct at_dma_chan *atchan, struct at_desc *first)
 
         vdbg_dump_regs(atchan);
 
-        /* clear any pending interrupt */
-        while (dma_readl(atdma, EBCISR))
-                cpu_relax();
-
         channel_writel(atchan, SADDR, 0);
         channel_writel(atchan, DADDR, 0);
         channel_writel(atchan, CTRLA, 0);
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index 767bcc31b36..2397f6f451b 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -332,6 +332,20 @@ struct dma_chan *dma_find_channel(enum dma_transaction_type tx_type)
 }
 EXPORT_SYMBOL(dma_find_channel);
 
+/*
+ * net_dma_find_channel - find a channel for net_dma
+ * net_dma has alignment requirements
+ */
+struct dma_chan *net_dma_find_channel(void)
+{
+        struct dma_chan *chan = dma_find_channel(DMA_MEMCPY);
+        if (chan && !is_dma_copy_aligned(chan->device, 1, 1, 1))
+                return NULL;
+
+        return chan;
+}
+EXPORT_SYMBOL(net_dma_find_channel);
+
 /**
  * dma_issue_pending_all - flush all pending operations across all channels
  */
diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index a45b5d2a598..bb787d8e152 100644
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -571,11 +571,14 @@ static void imxdma_tasklet(unsigned long data)
         if (desc->desc.callback)
                 desc->desc.callback(desc->desc.callback_param);
 
-        dma_cookie_complete(&desc->desc);
-
-        /* If we are dealing with a cyclic descriptor keep it on ld_active */
+        /* If we are dealing with a cyclic descriptor keep it on ld_active
+         * and dont mark the descripor as complete.
+         * Only in non-cyclic cases it would be marked as complete
+         */
         if (imxdma_chan_is_doing_cyclic(imxdmac))
                 goto out;
+        else
+                dma_cookie_complete(&desc->desc);
 
         /* Free 2D slot if it was an interleaved transfer */
         if (imxdmac->enabled_2d) {
diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c
index 31493d80e0e..73b2b65cb1d 100644
--- a/drivers/dma/ioat/dma.c
+++ b/drivers/dma/ioat/dma.c
@@ -546,9 +546,9 @@ void ioat_dma_unmap(struct ioat_chan_common *chan, enum dma_ctrl_flags flags,
                            PCI_DMA_TODEVICE, flags, 0);
 }
 
-unsigned long ioat_get_current_completion(struct ioat_chan_common *chan)
+dma_addr_t ioat_get_current_completion(struct ioat_chan_common *chan)
 {
-        unsigned long phys_complete;
+        dma_addr_t phys_complete;
         u64 completion;
 
         completion = *chan->completion;
@@ -569,7 +569,7 @@ unsigned long ioat_get_current_completion(struct ioat_chan_common *chan)
 }
 
 bool ioat_cleanup_preamble(struct ioat_chan_common *chan,
-                           unsigned long *phys_complete)
+                           dma_addr_t *phys_complete)
 {
         *phys_complete = ioat_get_current_completion(chan);
         if (*phys_complete == chan->last_completion)
@@ -580,14 +580,14 @@ bool ioat_cleanup_preamble(struct ioat_chan_common *chan,
         return true;
 }
 
-static void __cleanup(struct ioat_dma_chan *ioat, unsigned long phys_complete)
+static void __cleanup(struct ioat_dma_chan *ioat, dma_addr_t phys_complete)
 {
         struct ioat_chan_common *chan = &ioat->base;
         struct list_head *_desc, *n;
         struct dma_async_tx_descriptor *tx;
 
-        dev_dbg(to_dev(chan), "%s: phys_complete: %lx\n",
-                 __func__, phys_complete);
+        dev_dbg(to_dev(chan), "%s: phys_complete: %llx\n",
+                 __func__, (unsigned long long) phys_complete);
         list_for_each_safe(_desc, n, &ioat->used_desc) {
                 struct ioat_desc_sw *desc;
 
@@ -652,7 +652,7 @@ static void __cleanup(struct ioat_dma_chan *ioat, unsigned long phys_complete)
 static void ioat1_cleanup(struct ioat_dma_chan *ioat)
 {
         struct ioat_chan_common *chan = &ioat->base;
-        unsigned long phys_complete;
+        dma_addr_t phys_complete;
 
         prefetch(chan->completion);
 
@@ -698,7 +698,7 @@ static void ioat1_timer_event(unsigned long data)
                 mod_timer(&chan->timer, jiffies + COMPLETION_TIMEOUT);
                 spin_unlock_bh(&ioat->desc_lock);
         } else if (test_bit(IOAT_COMPLETION_PENDING, &chan->state)) {
-                unsigned long phys_complete;
+                dma_addr_t phys_complete;
 
                 spin_lock_bh(&ioat->desc_lock);
                 /* if we haven't made progress and we have already
diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h
index c7888bccd97..5e8fe01ba69 100644
--- a/drivers/dma/ioat/dma.h
+++ b/drivers/dma/ioat/dma.h
@@ -88,7 +88,7 @@ struct ioatdma_device {
 struct ioat_chan_common {
         struct dma_chan common;
         void __iomem *reg_base;
-        unsigned long last_completion;
+        dma_addr_t last_completion;
         spinlock_t cleanup_lock;
         unsigned long state;
         #define IOAT_COMPLETION_PENDING 0
@@ -310,7 +310,7 @@ int __devinit ioat_dma_self_test(struct ioatdma_device *device);
 void __devexit ioat_dma_remove(struct ioatdma_device *device);
 struct dca_provider * __devinit ioat_dca_init(struct pci_dev *pdev,
                                               void __iomem *iobase);
-unsigned long ioat_get_current_completion(struct ioat_chan_common *chan);
+dma_addr_t ioat_get_current_completion(struct ioat_chan_common *chan);
 void ioat_init_channel(struct ioatdma_device *device,
                        struct ioat_chan_common *chan, int idx);
 enum dma_status ioat_dma_tx_status(struct dma_chan *c, dma_cookie_t cookie,
@@ -318,7 +318,7 @@ enum dma_status ioat_dma_tx_status(struct dma_chan *c, dma_cookie_t cookie,
 void ioat_dma_unmap(struct ioat_chan_common *chan, enum dma_ctrl_flags flags,
                     size_t len, struct ioat_dma_descriptor *hw);
 bool ioat_cleanup_preamble(struct ioat_chan_common *chan,
-                           unsigned long *phys_complete);
+                           dma_addr_t *phys_complete);
 void ioat_kobject_add(struct ioatdma_device *device, struct kobj_type *type);
 void ioat_kobject_del(struct ioatdma_device *device);
 extern const struct sysfs_ops ioat_sysfs_ops;
diff --git a/drivers/dma/ioat/dma_v2.c b/drivers/dma/ioat/dma_v2.c
index e8e110ff3d9..86895760b59 100644
--- a/drivers/dma/ioat/dma_v2.c
+++ b/drivers/dma/ioat/dma_v2.c
@@ -128,7 +128,7 @@ static void ioat2_start_null_desc(struct ioat2_dma_chan *ioat)
         spin_unlock_bh(&ioat->prep_lock);
 }
 
-static void __cleanup(struct ioat2_dma_chan *ioat, unsigned long phys_complete)
+static void __cleanup(struct ioat2_dma_chan *ioat, dma_addr_t phys_complete)
 {
         struct ioat_chan_common *chan = &ioat->base;
         struct dma_async_tx_descriptor *tx;
@@ -179,7 +179,7 @@ static void __cleanup(struct ioat2_dma_chan *ioat, unsigned long phys_complete)
 static void ioat2_cleanup(struct ioat2_dma_chan *ioat)
 {
         struct ioat_chan_common *chan = &ioat->base;
-        unsigned long phys_complete;
+        dma_addr_t phys_complete;
 
         spin_lock_bh(&chan->cleanup_lock);
         if (ioat_cleanup_preamble(chan, &phys_complete))
@@ -260,7 +260,7 @@ int ioat2_reset_sync(struct ioat_chan_common *chan, unsigned long tmo)
 static void ioat2_restart_channel(struct ioat2_dma_chan *ioat)
 {
         struct ioat_chan_common *chan = &ioat->base;
-        unsigned long phys_complete;
+        dma_addr_t phys_complete;
 
         ioat2_quiesce(chan, 0);
         if (ioat_cleanup_preamble(chan, &phys_complete))
@@ -275,7 +275,7 @@ void ioat2_timer_event(unsigned long data)
         struct ioat_chan_common *chan = &ioat->base;
 
         if (test_bit(IOAT_COMPLETION_PENDING, &chan->state)) {
-                unsigned long phys_complete;
+                dma_addr_t phys_complete;
                 u64 status;
 
                 status = ioat_chansts(chan);
@@ -572,9 +572,9 @@ bool reshape_ring(struct ioat2_dma_chan *ioat, int order)
          */
         struct ioat_chan_common *chan = &ioat->base;
         struct dma_chan *c = &chan->common;
-        const u16 curr_size = ioat2_ring_size(ioat);
+        const u32 curr_size = ioat2_ring_size(ioat);
         const u16 active = ioat2_ring_active(ioat);
-        const u16 new_size = 1 << order;
+        const u32 new_size = 1 << order;
         struct ioat_ring_ent **ring;
         u16 i;
 
diff --git a/drivers/dma/ioat/dma_v2.h b/drivers/dma/ioat/dma_v2.h
index a2c413b2b8d..be2a55b95c2 100644
--- a/drivers/dma/ioat/dma_v2.h
+++ b/drivers/dma/ioat/dma_v2.h
@@ -74,7 +74,7 @@ static inline struct ioat2_dma_chan *to_ioat2_chan(struct dma_chan *c)
         return container_of(chan, struct ioat2_dma_chan, base);
 }
 
-static inline u16 ioat2_ring_size(struct ioat2_dma_chan *ioat)
+static inline u32 ioat2_ring_size(struct ioat2_dma_chan *ioat)
 {
         return 1 << ioat->alloc_order;
 }
@@ -91,7 +91,7 @@ static inline u16 ioat2_ring_pending(struct ioat2_dma_chan *ioat)
         return CIRC_CNT(ioat->head, ioat->issued, ioat2_ring_size(ioat));
 }
 
-static inline u16 ioat2_ring_space(struct ioat2_dma_chan *ioat)
+static inline u32 ioat2_ring_space(struct ioat2_dma_chan *ioat)
 {
         return ioat2_ring_size(ioat) - ioat2_ring_active(ioat);
 }
diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
index 2c4476c0e40..f7f1dc62c15 100644
--- a/drivers/dma/ioat/dma_v3.c
+++ b/drivers/dma/ioat/dma_v3.c
@@ -257,7 +257,7 @@ static bool desc_has_ext(struct ioat_ring_ent *desc)
  * The difference from the dma_v2.c __cleanup() is that this routine
  * handles extended descriptors and dma-unmapping raid operations.
  */
-static void __cleanup(struct ioat2_dma_chan *ioat, unsigned long phys_complete)
+static void __cleanup(struct ioat2_dma_chan *ioat, dma_addr_t phys_complete)
 {
         struct ioat_chan_common *chan = &ioat->base;
         struct ioat_ring_ent *desc;
@@ -314,7 +314,7 @@ static void __cleanup(struct ioat2_dma_chan *ioat, unsigned long phys_complete)
 static void ioat3_cleanup(struct ioat2_dma_chan *ioat)
 {
         struct ioat_chan_common *chan = &ioat->base;
-        unsigned long phys_complete;
+        dma_addr_t phys_complete;
 
         spin_lock_bh(&chan->cleanup_lock);
         if (ioat_cleanup_preamble(chan, &phys_complete))
@@ -333,7 +333,7 @@ static void ioat3_cleanup_event(unsigned long data)
 static void ioat3_restart_channel(struct ioat2_dma_chan *ioat)
 {
         struct ioat_chan_common *chan = &ioat->base;
-        unsigned long phys_complete;
+        dma_addr_t phys_complete;
 
         ioat2_quiesce(chan, 0);
         if (ioat_cleanup_preamble(chan, &phys_complete))
@@ -348,7 +348,7 @@ static void ioat3_timer_event(unsigned long data)
         struct ioat_chan_common *chan = &ioat->base;
 
         if (test_bit(IOAT_COMPLETION_PENDING, &chan->state)) {
-                unsigned long phys_complete;
+                dma_addr_t phys_complete;
                 u64 status;
 
                 status = ioat_chansts(chan);
@@ -1149,6 +1149,44 @@ static int ioat3_reset_hw(struct ioat_chan_common *chan)
         return ioat2_reset_sync(chan, msecs_to_jiffies(200));
 }
 
+static bool is_jf_ioat(struct pci_dev *pdev)
+{
+        switch (pdev->device) {
+        case PCI_DEVICE_ID_INTEL_IOAT_JSF0:
+        case PCI_DEVICE_ID_INTEL_IOAT_JSF1:
+        case PCI_DEVICE_ID_INTEL_IOAT_JSF2:
+        case PCI_DEVICE_ID_INTEL_IOAT_JSF3:
+        case PCI_DEVICE_ID_INTEL_IOAT_JSF4:
+        case PCI_DEVICE_ID_INTEL_IOAT_JSF5:
+        case PCI_DEVICE_ID_INTEL_IOAT_JSF6:
+        case PCI_DEVICE_ID_INTEL_IOAT_JSF7:
+        case PCI_DEVICE_ID_INTEL_IOAT_JSF8:
+        case PCI_DEVICE_ID_INTEL_IOAT_JSF9:
+                return true;
+        default:
+                return false;
+        }
+}
+
+static bool is_snb_ioat(struct pci_dev *pdev)
+{
+        switch (pdev->device) {
+        case PCI_DEVICE_ID_INTEL_IOAT_SNB0:
+        case PCI_DEVICE_ID_INTEL_IOAT_SNB1:
+        case PCI_DEVICE_ID_INTEL_IOAT_SNB2:
+        case PCI_DEVICE_ID_INTEL_IOAT_SNB3:
+        case PCI_DEVICE_ID_INTEL_IOAT_SNB4:
+        case PCI_DEVICE_ID_INTEL_IOAT_SNB5:
+        case PCI_DEVICE_ID_INTEL_IOAT_SNB6:
+        case PCI_DEVICE_ID_INTEL_IOAT_SNB7:
+        case PCI_DEVICE_ID_INTEL_IOAT_SNB8:
+        case PCI_DEVICE_ID_INTEL_IOAT_SNB9:
+                return true;
+        default:
+                return false;
+        }
+}
+
 int __devinit ioat3_dma_probe(struct ioatdma_device *device, int dca)
 {
         struct pci_dev *pdev = device->pdev;
@@ -1169,6 +1207,9 @@ int __devinit ioat3_dma_probe(struct ioatdma_device *device, int dca)
         dma->device_alloc_chan_resources = ioat2_alloc_chan_resources;
         dma->device_free_chan_resources = ioat2_free_chan_resources;
 
+        if (is_jf_ioat(pdev) || is_snb_ioat(pdev))
+                dma->copy_align = 6;
+
         dma_cap_set(DMA_INTERRUPT, dma->cap_mask);
         dma->device_prep_dma_interrupt = ioat3_prep_interrupt_lock;
 
diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c
index da6c4c2c066..79e3eba2970 100644
--- a/drivers/dma/iop-adma.c
+++ b/drivers/dma/iop-adma.c
@@ -1252,8 +1252,8 @@ iop_adma_pq_zero_sum_self_test(struct iop_adma_device *device)
         struct page **pq_hw = &pq[IOP_ADMA_NUM_SRC_TEST+2];
         /* address conversion buffers (dma_map / page_address) */
         void *pq_sw[IOP_ADMA_NUM_SRC_TEST+2];
-        dma_addr_t pq_src[IOP_ADMA_NUM_SRC_TEST];
-        dma_addr_t pq_dest[2];
+        dma_addr_t pq_src[IOP_ADMA_NUM_SRC_TEST+2];
+        dma_addr_t *pq_dest = &pq_src[IOP_ADMA_NUM_SRC_TEST];
 
         int i;
         struct dma_async_tx_descriptor *tx;
diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c
index c81ef7e10e0..655d4ce6ed0 100644
--- a/drivers/dma/mxs-dma.c
+++ b/drivers/dma/mxs-dma.c
@@ -201,10 +201,6 @@ static struct mxs_dma_chan *to_mxs_dma_chan(struct dma_chan *chan)
 
 static dma_cookie_t mxs_dma_tx_submit(struct dma_async_tx_descriptor *tx)
 {
-        struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(tx->chan);
-
-        mxs_dma_enable_chan(mxs_chan);
-
         return dma_cookie_assign(tx);
 }
 
@@ -558,9 +554,9 @@ static enum dma_status mxs_dma_tx_status(struct dma_chan *chan,
 
 static void mxs_dma_issue_pending(struct dma_chan *chan)
 {
-        /*
-         * Nothing to do. We only have a single descriptor.
-         */
+        struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(chan);
+
+        mxs_dma_enable_chan(mxs_chan);
 }
 
 static int __init mxs_dma_init(struct mxs_dma_engine *mxs_dma)
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 282caf118be..2ee6e23930a 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -2225,12 +2225,9 @@ static inline void free_desc_list(struct list_head *list)
 {
         struct dma_pl330_dmac *pdmac;
         struct dma_pl330_desc *desc;
-        struct dma_pl330_chan *pch;
+        struct dma_pl330_chan *pch = NULL;
         unsigned long flags;
 
-        if (list_empty(list))
-                return;
-
         /* Finish off the work list */
         list_for_each_entry(desc, list, node) {
                 dma_async_tx_callback callback;
@@ -2247,6 +2244,10 @@ static inline void free_desc_list(struct list_head *list)
                 desc->pchan = NULL;
         }
 
+        /* pch will be unset if list was empty */
+        if (!pch)
+                return;
+
         pdmac = pch->dmac;
 
         spin_lock_irqsave(&pdmac->pool_lock, flags);
@@ -2257,12 +2258,9 @@ static inline void free_desc_list(struct list_head *list)
 static inline void handle_cyclic_desc_list(struct list_head *list)
 {
         struct dma_pl330_desc *desc;
-        struct dma_pl330_chan *pch;
+        struct dma_pl330_chan *pch = NULL;
         unsigned long flags;
 
-        if (list_empty(list))
-                return;
-
         list_for_each_entry(desc, list, node) {
                 dma_async_tx_callback callback;
 
@@ -2274,6 +2272,10 @@ static inline void handle_cyclic_desc_list(struct list_head *list)
                         callback(desc->txd.callback_param);
         }
 
+        /* pch will be unset if list was empty */
+        if (!pch)
+                return;
+
         spin_lock_irqsave(&pch->lock, flags);
         list_splice_tail_init(list, &pch->work_list);
         spin_unlock_irqrestore(&pch->lock, flags);
@@ -2926,8 +2928,11 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
         INIT_LIST_HEAD(&pd->channels);
 
         /* Initialize channel parameters */
-        num_chan = max(pdat ? pdat->nr_valid_peri : (u8)pi->pcfg.num_peri,
-                        (u8)pi->pcfg.num_chan);
+        if (pdat)
+                num_chan = max_t(int, pdat->nr_valid_peri, pi->pcfg.num_chan);
+        else
+                num_chan = max_t(int, pi->pcfg.num_peri, pi->pcfg.num_chan);
+
         pdmac->peripherals = kzalloc(num_chan * sizeof(*pch), GFP_KERNEL);
 
         for (i = 0; i < num_chan; i++) {
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index bdd41d4bfa8..2ed1ac3513f 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -18,6 +18,7 @@
 #include <linux/pm_runtime.h>
 #include <linux/err.h>
 #include <linux/amba/bus.h>
+#include <linux/regulator/consumer.h>
 
 #include <plat/ste_dma40.h>
 
@@ -69,6 +70,22 @@ enum d40_command {
 };
 
 /*
+ * enum d40_events - The different Event Enables for the event lines.
+ *
+ * @D40_DEACTIVATE_EVENTLINE: De-activate Event line, stopping the logical chan.
+ * @D40_ACTIVATE_EVENTLINE: Activate the Event line, to start a logical chan.
+ * @D40_SUSPEND_REQ_EVENTLINE: Requesting for suspending a event line.
+ * @D40_ROUND_EVENTLINE: Status check for event line.
+ */
+
+enum d40_events {
+        D40_DEACTIVATE_EVENTLINE        = 0,
+        D40_ACTIVATE_EVENTLINE          = 1,
+        D40_SUSPEND_REQ_EVENTLINE       = 2,
+        D40_ROUND_EVENTLINE             = 3
+};
+
+/*
  * These are the registers that has to be saved and later restored
  * when the DMA hw is powered off.
  * TODO: Add save/restore of D40_DREG_GCC on dma40 v3 or later, if that works.
@@ -870,8 +887,8 @@ static void d40_save_restore_registers(struct d40_base *base, bool save)
 }
 #endif
 
-static int d40_channel_execute_command(struct d40_chan *d40c,
-                                       enum d40_command command)
+static int __d40_execute_command_phy(struct d40_chan *d40c,
+                                     enum d40_command command)
 {
         u32 status;
         int i;
@@ -880,6 +897,12 @@ static int d40_channel_execute_command(struct d40_chan *d40c,
         unsigned long flags;
         u32 wmask;
 
+        if (command == D40_DMA_STOP) {
+                ret = __d40_execute_command_phy(d40c, D40_DMA_SUSPEND_REQ);
+                if (ret)
+                        return ret;
+        }
+
         spin_lock_irqsave(&d40c->base->execmd_lock, flags);
 
         if (d40c->phy_chan->num % 2 == 0)
@@ -973,67 +996,109 @@ static void d40_term_all(struct d40_chan *d40c)
                 }
 
         d40c->pending_tx = 0;
-        d40c->busy = false;
 }
 
-static void __d40_config_set_event(struct d40_chan *d40c, bool enable,
-                                   u32 event, int reg)
+static void __d40_config_set_event(struct d40_chan *d40c,
+                                   enum d40_events event_type, u32 event,
+                                   int reg)
 {
         void __iomem *addr = chan_base(d40c) + reg;
         int tries;
+        u32 status;
+
+        switch (event_type) {
+
+        case D40_DEACTIVATE_EVENTLINE:
 
-        if (!enable) {
                 writel((D40_DEACTIVATE_EVENTLINE << D40_EVENTLINE_POS(event))
                        | ~D40_EVENTLINE_MASK(event), addr);
-                return;
-        }
+                break;
+
+        case D40_SUSPEND_REQ_EVENTLINE:
+                status = (readl(addr) & D40_EVENTLINE_MASK(event)) >>
+                          D40_EVENTLINE_POS(event);
+
+                if (status == D40_DEACTIVATE_EVENTLINE ||
+                    status == D40_SUSPEND_REQ_EVENTLINE)
+                        break;
 
+                writel((D40_SUSPEND_REQ_EVENTLINE << D40_EVENTLINE_POS(event))
+                       | ~D40_EVENTLINE_MASK(event), addr);
+
+                for (tries = 0 ; tries < D40_SUSPEND_MAX_IT; tries++) {
+
+                        status = (readl(addr) & D40_EVENTLINE_MASK(event)) >>
+                                  D40_EVENTLINE_POS(event);
+
+                        cpu_relax();
+                        /*
+                         * Reduce the number of bus accesses while
+                         * waiting for the DMA to suspend.
+                         */
+                        udelay(3);
+
+                        if (status == D40_DEACTIVATE_EVENTLINE)
+                                break;
+                }
+
+                if (tries == D40_SUSPEND_MAX_IT) {
+                        chan_err(d40c,
+                                "unable to stop the event_line chl %d (log: %d)"
+                                "status %x\n", d40c->phy_chan->num,
+                                 d40c->log_num, status);
+                }
+                break;
+
+        case D40_ACTIVATE_EVENTLINE:
         /*
          * The hardware sometimes doesn't register the enable when src and dst
          * event lines are active on the same logical channel.  Retry to ensure
          * it does.  Usually only one retry is sufficient.
          */
-        tries = 100;
-        while (--tries) {
-                writel((D40_ACTIVATE_EVENTLINE << D40_EVENTLINE_POS(event))
-                       | ~D40_EVENTLINE_MASK(event), addr);
+                tries = 100;
+                while (--tries) {
+                        writel((D40_ACTIVATE_EVENTLINE <<
+                                D40_EVENTLINE_POS(event)) |
+                                ~D40_EVENTLINE_MASK(event), addr);
 
-                if (readl(addr) & D40_EVENTLINE_MASK(event))
-                        break;
-        }
+                        if (readl(addr) & D40_EVENTLINE_MASK(event))
+                                break;
+                }
 
-        if (tries != 99)
-                dev_dbg(chan2dev(d40c),
-                        "[%s] workaround enable S%cLNK (%d tries)\n",
-                        __func__, reg == D40_CHAN_REG_SSLNK ? 'S' : 'D',
-                        100 - tries);
+                if (tries != 99)
+                        dev_dbg(chan2dev(d40c),
+                                "[%s] workaround enable S%cLNK (%d tries)\n",
+                                __func__, reg == D40_CHAN_REG_SSLNK ? 'S' : 'D',
+                                100 - tries);
 
-        WARN_ON(!tries);
-}
+                WARN_ON(!tries);
+                break;
 
-static void d40_config_set_event(struct d40_chan *d40c, bool do_enable)
-{
-        unsigned long flags;
+        case D40_ROUND_EVENTLINE:
+                BUG();
+                break;
 
-        spin_lock_irqsave(&d40c->phy_chan->lock, flags);
+        }
+}
 
+static void d40_config_set_event(struct d40_chan *d40c,
+                                 enum d40_events event_type)
+{
         /* Enable event line connected to device (or memcpy) */
         if ((d40c->dma_cfg.dir ==  STEDMA40_PERIPH_TO_MEM) ||
             (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_PERIPH)) {
                 u32 event = D40_TYPE_TO_EVENT(d40c->dma_cfg.src_dev_type);
 
-                __d40_config_set_event(d40c, do_enable, event,
+                __d40_config_set_event(d40c, event_type, event,
                                        D40_CHAN_REG_SSLNK);
         }
 
         if (d40c->dma_cfg.dir !=  STEDMA40_PERIPH_TO_MEM) {
                 u32 event = D40_TYPE_TO_EVENT(d40c->dma_cfg.dst_dev_type);
 
-                __d40_config_set_event(d40c, do_enable, event,
+                __d40_config_set_event(d40c, event_type, event,
                                        D40_CHAN_REG_SDLNK);
         }
-
-        spin_unlock_irqrestore(&d40c->phy_chan->lock, flags);
 }
 
 static u32 d40_chan_has_events(struct d40_chan *d40c)
@@ -1047,6 +1112,64 @@ static u32 d40_chan_has_events(struct d40_chan *d40c)
         return val;
 }
 
+static int
+__d40_execute_command_log(struct d40_chan *d40c, enum d40_command command)
+{
+        unsigned long flags;
+        int ret = 0;
+        u32 active_status;
+        void __iomem *active_reg;
+
+        if (d40c->phy_chan->num % 2 == 0)
+                active_reg = d40c->base->virtbase + D40_DREG_ACTIVE;
+        else
+                active_reg = d40c->base->virtbase + D40_DREG_ACTIVO;
+
+
+        spin_lock_irqsave(&d40c->phy_chan->lock, flags);
+
+        switch (command) {
+        case D40_DMA_STOP:
+        case D40_DMA_SUSPEND_REQ:
+
+                active_status = (readl(active_reg) &
+                                 D40_CHAN_POS_MASK(d40c->phy_chan->num)) >>
+                                 D40_CHAN_POS(d40c->phy_chan->num);
+
+                if (active_status == D40_DMA_RUN)
+                        d40_config_set_event(d40c, D40_SUSPEND_REQ_EVENTLINE);
+                else
+                        d40_config_set_event(d40c, D40_DEACTIVATE_EVENTLINE);
+
+                if (!d40_chan_has_events(d40c) && (command == D40_DMA_STOP))
+                        ret = __d40_execute_command_phy(d40c, command);
+
+                break;
+
+        case D40_DMA_RUN:
+
+                d40_config_set_event(d40c, D40_ACTIVATE_EVENTLINE);
+                ret = __d40_execute_command_phy(d40c, command);
+                break;
+
+        case D40_DMA_SUSPENDED:
+                BUG();
+                break;
+        }
+
+        spin_unlock_irqrestore(&d40c->phy_chan->lock, flags);
+        return ret;
+}
+
+static int d40_channel_execute_command(struct d40_chan *d40c,
+                                       enum d40_command command)
+{
+        if (chan_is_logical(d40c))
+                return __d40_execute_command_log(d40c, command);
+        else
+                return __d40_execute_command_phy(d40c, command);
+}
+
 static u32 d40_get_prmo(struct d40_chan *d40c)
 {
         static const unsigned int phy_map[] = {
@@ -1149,15 +1272,7 @@ static int d40_pause(struct d40_chan *d40c)
         spin_lock_irqsave(&d40c->lock, flags);
 
         res = d40_channel_execute_command(d40c, D40_DMA_SUSPEND_REQ);
-        if (res == 0) {
-                if (chan_is_logical(d40c)) {
-                        d40_config_set_event(d40c, false);
-                        /* Resume the other logical channels if any */
-                        if (d40_chan_has_events(d40c))
-                                res = d40_channel_execute_command(d40c,
-                                                                  D40_DMA_RUN);
-                }
-        }
+
         pm_runtime_mark_last_busy(d40c->base->dev);
         pm_runtime_put_autosuspend(d40c->base->dev);
         spin_unlock_irqrestore(&d40c->lock, flags);
@@ -1174,45 +1289,17 @@ static int d40_resume(struct d40_chan *d40c)
 
         spin_lock_irqsave(&d40c->lock, flags);
         pm_runtime_get_sync(d40c->base->dev);
-        if (d40c->base->rev == 0)
-                if (chan_is_logical(d40c)) {
-                        res = d40_channel_execute_command(d40c,
-                                                          D40_DMA_SUSPEND_REQ);
-                        goto no_suspend;
-                }
 
         /* If bytes left to transfer or linked tx resume job */
-        if (d40_residue(d40c) || d40_tx_is_linked(d40c)) {
-
-                if (chan_is_logical(d40c))
-                        d40_config_set_event(d40c, true);
-
+        if (d40_residue(d40c) || d40_tx_is_linked(d40c))
                 res = d40_channel_execute_command(d40c, D40_DMA_RUN);
-        }
 
-no_suspend:
         pm_runtime_mark_last_busy(d40c->base->dev);
         pm_runtime_put_autosuspend(d40c->base->dev);
         spin_unlock_irqrestore(&d40c->lock, flags);
         return res;
 }
 
-static int d40_terminate_all(struct d40_chan *chan)
-{
-        unsigned long flags;
-        int ret = 0;
-
-        ret = d40_pause(chan);
-        if (!ret && chan_is_physical(chan))
-                ret = d40_channel_execute_command(chan, D40_DMA_STOP);
-
-        spin_lock_irqsave(&chan->lock, flags);
-        d40_term_all(chan);
-        spin_unlock_irqrestore(&chan->lock, flags);
-
-        return ret;
-}
-
 static dma_cookie_t d40_tx_submit(struct dma_async_tx_descriptor *tx)
 {
         struct d40_chan *d40c = container_of(tx->chan,
@@ -1232,20 +1319,6 @@ static dma_cookie_t d40_tx_submit(struct dma_async_tx_descriptor *tx)
 
 static int d40_start(struct d40_chan *d40c)
 {
-        if (d40c->base->rev == 0) {
-                int err;
-
-                if (chan_is_logical(d40c)) {
-                        err = d40_channel_execute_command(d40c,
-                                                          D40_DMA_SUSPEND_REQ);
-                        if (err)
-                                return err;
-                }
-        }
-
-        if (chan_is_logical(d40c))
-                d40_config_set_event(d40c, true);
-
         return d40_channel_execute_command(d40c, D40_DMA_RUN);
 }
 
@@ -1258,10 +1331,10 @@ static struct d40_desc *d40_queue_start(struct d40_chan *d40c)
         d40d = d40_first_queued(d40c);
 
         if (d40d != NULL) {
-                if (!d40c->busy)
+                if (!d40c->busy) {
                         d40c->busy = true;
-
-                pm_runtime_get_sync(d40c->base->dev);
+                        pm_runtime_get_sync(d40c->base->dev);
+                }
 
                 /* Remove from queue */
                 d40_desc_remove(d40d);
@@ -1388,8 +1461,8 @@ static void dma_tasklet(unsigned long data)
 
         return;
 
- err:
-        /* Rescue manoeuvre if receiving double interrupts */
+err:
+        /* Rescue manouver if receiving double interrupts */
         if (d40c->pending_tx > 0)
                 d40c->pending_tx--;
         spin_unlock_irqrestore(&d40c->lock, flags);
@@ -1770,7 +1843,6 @@ static int d40_config_memcpy(struct d40_chan *d40c)
         return 0;
 }
 
-
 static int d40_free_dma(struct d40_chan *d40c)
 {
 
@@ -1806,43 +1878,18 @@ static int d40_free_dma(struct d40_chan *d40c)
         }
 
         pm_runtime_get_sync(d40c->base->dev);
-        res = d40_channel_execute_command(d40c, D40_DMA_SUSPEND_REQ);
+        res = d40_channel_execute_command(d40c, D40_DMA_STOP);
         if (res) {
-                chan_err(d40c, "suspend failed\n");
+                chan_err(d40c, "stop failed\n");
                 goto out;
         }
 
-        if (chan_is_logical(d40c)) {
-                /* Release logical channel, deactivate the event line */
+        d40_alloc_mask_free(phy, is_src, chan_is_logical(d40c) ? event : 0);
 
-                d40_config_set_event(d40c, false);
+        if (chan_is_logical(d40c))
                 d40c->base->lookup_log_chans[d40c->log_num] = NULL;
-
-                /*
-                 * Check if there are more logical allocation
-                 * on this phy channel.
-                 */
-                if (!d40_alloc_mask_free(phy, is_src, event)) {
-                        /* Resume the other logical channels if any */
-                        if (d40_chan_has_events(d40c)) {
-                                res = d40_channel_execute_command(d40c,
-                                                                  D40_DMA_RUN);
-                                if (res)
-                                        chan_err(d40c,
-                                                "Executing RUN command\n");
-                        }
-                        goto out;
-                }
-        } else {
-                (void) d40_alloc_mask_free(phy, is_src, 0);
-        }
-
-        /* Release physical channel */
-        res = d40_channel_execute_command(d40c, D40_DMA_STOP);
-        if (res) {
-                chan_err(d40c, "Failed to stop channel\n");
-                goto out;
-        }
+        else
+                d40c->base->lookup_phy_chans[phy->num] = NULL;
 
         if (d40c->busy) {
                 pm_runtime_mark_last_busy(d40c->base->dev);
@@ -1852,7 +1899,6 @@ static int d40_free_dma(struct d40_chan *d40c)
         d40c->busy = false;
         d40c->phy_chan = NULL;
         d40c->configured = false;
-        d40c->base->lookup_phy_chans[phy->num] = NULL;
 out:
 
         pm_runtime_mark_last_busy(d40c->base->dev);
@@ -2070,7 +2116,7 @@ d40_prep_sg(struct dma_chan *dchan, struct scatterlist *sg_src,
         if (sg_next(&sg_src[sg_len - 1]) == sg_src)
                 desc->cyclic = true;
 
-        if (direction != DMA_NONE) {
+        if (direction != DMA_TRANS_NONE) {
                 dma_addr_t dev_addr = d40_get_dev_addr(chan, direction);
 
                 if (direction == DMA_DEV_TO_MEM)
@@ -2371,6 +2417,31 @@ static void d40_issue_pending(struct dma_chan *chan)
         spin_unlock_irqrestore(&d40c->lock, flags);
 }
 
+static void d40_terminate_all(struct dma_chan *chan)
+{
+        unsigned long flags;
+        struct d40_chan *d40c = container_of(chan, struct d40_chan, chan);
+        int ret;
+
+        spin_lock_irqsave(&d40c->lock, flags);
+
+        pm_runtime_get_sync(d40c->base->dev);
+        ret = d40_channel_execute_command(d40c, D40_DMA_STOP);
+        if (ret)
+                chan_err(d40c, "Failed to stop channel\n");
+
+        d40_term_all(d40c);
+        pm_runtime_mark_last_busy(d40c->base->dev);
+        pm_runtime_put_autosuspend(d40c->base->dev);
+        if (d40c->busy) {
+                pm_runtime_mark_last_busy(d40c->base->dev);
+                pm_runtime_put_autosuspend(d40c->base->dev);
+        }
+        d40c->busy = false;
+
+        spin_unlock_irqrestore(&d40c->lock, flags);
+}
+
 static int
 dma40_config_to_halfchannel(struct d40_chan *d40c,
                             struct stedma40_half_channel_info *info,
@@ -2551,7 +2622,8 @@ static int d40_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
 
         switch (cmd) {
         case DMA_TERMINATE_ALL:
-                return d40_terminate_all(d40c);
+                d40_terminate_all(chan);
+                return 0;
         case DMA_PAUSE:
                 return d40_pause(d40c);
         case DMA_RESUME:
@@ -2908,6 +2980,12 @@ static struct d40_base * __init d40_hw_detect_init(struct platform_device *pdev)
         dev_info(&pdev->dev, "hardware revision: %d @ 0x%x\n",
                  rev, res->start);
 
+        if (rev < 2) {
+                d40_err(&pdev->dev, "hardware revision: %d is not supported",
+                        rev);
+                goto failure;
+        }
+
         plat_data = pdev->dev.platform_data;
 
         /* Count the number of logical channels in use */
@@ -2998,6 +3076,7 @@ failure:
 
         if (base) {
                 kfree(base->lcla_pool.alloc_map);
+                kfree(base->reg_val_backup_chan);
                 kfree(base->lookup_log_chans);
                 kfree(base->lookup_phy_chans);
                 kfree(base->phy_res);
diff --git a/drivers/dma/ste_dma40_ll.h b/drivers/dma/ste_dma40_ll.h
index 8d3d490968a..51e8e5396e9 100644
--- a/drivers/dma/ste_dma40_ll.h
+++ b/drivers/dma/ste_dma40_ll.h
@@ -62,8 +62,6 @@
 #define D40_SREG_ELEM_LOG_LIDX_MASK     (0xFF << D40_SREG_ELEM_LOG_LIDX_POS)
 
 /* Link register */
-#define D40_DEACTIVATE_EVENTLINE        0x0
-#define D40_ACTIVATE_EVENTLINE          0x1
 #define D40_EVENTLINE_POS(i)            (2 * i)
 #define D40_EVENTLINE_MASK(i)           (0x3 << D40_EVENTLINE_POS(i))
 
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index edadbdad31d..e03653d6935 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -430,7 +430,7 @@ config GPIO_ML_IOH
 
 config GPIO_SODAVILLE
         bool "Intel Sodaville GPIO support"
-        depends on X86 && PCI && OF && BROKEN
+        depends on X86 && PCI && OF
         select GPIO_GENERIC
         select GENERIC_IRQ_CHIP
         help
diff --git a/drivers/gpio/gpio-adp5588.c b/drivers/gpio/gpio-adp5588.c
index 9ad1703d140..ae5d7f12ce6 100644
--- a/drivers/gpio/gpio-adp5588.c
+++ b/drivers/gpio/gpio-adp5588.c
@@ -252,7 +252,7 @@ static irqreturn_t adp5588_irq_handler(int irq, void *devid)
                 if (ret < 0)
                         memset(dev->irq_stat, 0, ARRAY_SIZE(dev->irq_stat));
 
-                for (bank = 0; bank <= ADP5588_BANK(ADP5588_MAXGPIO);
+                for (bank = 0, bit = 0; bank <= ADP5588_BANK(ADP5588_MAXGPIO);
                         bank++, bit = 0) {
                         pending = dev->irq_stat[bank] & dev->irq_mask[bank];
 
diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c
index 5689ce62fd8..fc3ace3fd4c 100644
--- a/drivers/gpio/gpio-pxa.c
+++ b/drivers/gpio/gpio-pxa.c
@@ -64,6 +64,7 @@ struct pxa_gpio_chip {
         unsigned long   irq_mask;
         unsigned long   irq_edge_rise;
         unsigned long   irq_edge_fall;
+        int (*set_wake)(unsigned int gpio, unsigned int on);
 
 #ifdef CONFIG_PM
         unsigned long   saved_gplr;
@@ -269,7 +270,8 @@ static void pxa_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
                                 (value ? GPSR_OFFSET : GPCR_OFFSET));
 }
 
-static int __devinit pxa_init_gpio_chip(int gpio_end)
+static int __devinit pxa_init_gpio_chip(int gpio_end,
+                                        int (*set_wake)(unsigned int, unsigned int))
 {
         int i, gpio, nbanks = gpio_to_bank(gpio_end) + 1;
         struct pxa_gpio_chip *chips;
@@ -285,6 +287,7 @@ static int __devinit pxa_init_gpio_chip(int gpio_end)
 
                 sprintf(chips[i].label, "gpio-%d", i);
                 chips[i].regbase = gpio_reg_base + BANK_OFF(i);
+                chips[i].set_wake = set_wake;
 
                 c->base  = gpio;
                 c->label = chips[i].label;
@@ -412,6 +415,17 @@ static void pxa_mask_muxed_gpio(struct irq_data *d)
         writel_relaxed(gfer, c->regbase + GFER_OFFSET);
 }
 
+static int pxa_gpio_set_wake(struct irq_data *d, unsigned int on)
+{
+        int gpio = pxa_irq_to_gpio(d->irq);
+        struct pxa_gpio_chip *c = gpio_to_pxachip(gpio);
+
+        if (c->set_wake)
+                return c->set_wake(gpio, on);
+        else
+                return 0;
+}
+
 static void pxa_unmask_muxed_gpio(struct irq_data *d)
 {
         int gpio = pxa_irq_to_gpio(d->irq);
@@ -427,6 +441,7 @@ static struct irq_chip pxa_muxed_gpio_chip = {
         .irq_mask       = pxa_mask_muxed_gpio,
         .irq_unmask     = pxa_unmask_muxed_gpio,
         .irq_set_type   = pxa_gpio_irq_type,
+        .irq_set_wake   = pxa_gpio_set_wake,
 };
 
 static int pxa_gpio_nums(void)
@@ -471,6 +486,7 @@ static int __devinit pxa_gpio_probe(struct platform_device *pdev)
         struct pxa_gpio_chip *c;
         struct resource *res;
         struct clk *clk;
+        struct pxa_gpio_platform_data *info;
         int gpio, irq, ret;
         int irq0 = 0, irq1 = 0, irq_mux, gpio_offset = 0;
 
@@ -516,7 +532,8 @@ static int __devinit pxa_gpio_probe(struct platform_device *pdev)
         }
 
         /* Initialize GPIO chips */
-        pxa_init_gpio_chip(pxa_last_gpio);
+        info = dev_get_platdata(&pdev->dev);
+        pxa_init_gpio_chip(pxa_last_gpio, info ? info->gpio_set_wake : NULL);
 
         /* clear all GPIO edge detects */
         for_each_gpio_chip(gpio, c) {
diff --git a/drivers/gpio/gpio-samsung.c b/drivers/gpio/gpio-samsung.c
index 46277877b7e..19d6fc0229c 100644
--- a/drivers/gpio/gpio-samsung.c
+++ b/drivers/gpio/gpio-samsung.c
@@ -2382,8 +2382,8 @@ static struct samsung_gpio_chip exynos4_gpios_3[] = {
 #endif
 };
 
-static struct samsung_gpio_chip exynos5_gpios_1[] = {
 #ifdef CONFIG_ARCH_EXYNOS5
+static struct samsung_gpio_chip exynos5_gpios_1[] = {
         {
                 .chip   = {
                         .base   = EXYNOS5_GPA0(0),
@@ -2541,11 +2541,11 @@ static struct samsung_gpio_chip exynos5_gpios_1[] = {
                         .to_irq = samsung_gpiolib_to_irq,
                 },
         },
-#endif
 };
+#endif
 
-static struct samsung_gpio_chip exynos5_gpios_2[] = {
 #ifdef CONFIG_ARCH_EXYNOS5
+static struct samsung_gpio_chip exynos5_gpios_2[] = {
         {
                 .chip   = {
                         .base   = EXYNOS5_GPE0(0),
@@ -2602,11 +2602,11 @@ static struct samsung_gpio_chip exynos5_gpios_2[] = {
 
                 },
         },
-#endif
 };
+#endif
 
-static struct samsung_gpio_chip exynos5_gpios_3[] = {
 #ifdef CONFIG_ARCH_EXYNOS5
+static struct samsung_gpio_chip exynos5_gpios_3[] = {
         {
                 .chip   = {
                         .base   = EXYNOS5_GPV0(0),
@@ -2638,11 +2638,11 @@ static struct samsung_gpio_chip exynos5_gpios_3[] = {
                         .label  = "GPV4",
                 },
         },
-#endif
 };
+#endif
 
-static struct samsung_gpio_chip exynos5_gpios_4[] = {
 #ifdef CONFIG_ARCH_EXYNOS5
+static struct samsung_gpio_chip exynos5_gpios_4[] = {
         {
                 .chip   = {
                         .base   = EXYNOS5_GPZ(0),
@@ -2650,8 +2650,8 @@ static struct samsung_gpio_chip exynos5_gpios_4[] = {
                         .label  = "GPZ",
                 },
         },
-#endif
 };
+#endif
 
 
 #if defined(CONFIG_ARCH_EXYNOS) && defined(CONFIG_OF)
diff --git a/drivers/gpio/gpio-sodaville.c b/drivers/gpio/gpio-sodaville.c
index 9ba15d31d24..031e5d24837 100644
--- a/drivers/gpio/gpio-sodaville.c
+++ b/drivers/gpio/gpio-sodaville.c
@@ -41,7 +41,7 @@
 struct sdv_gpio_chip_data {
         int irq_base;
         void __iomem *gpio_pub_base;
-        struct irq_domain id;
+        struct irq_domain *id;
         struct irq_chip_generic *gc;
         struct bgpio_chip bgpio;
 };
@@ -51,10 +51,9 @@ static int sdv_gpio_pub_set_type(struct irq_data *d, unsigned int type)
         struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
         struct sdv_gpio_chip_data *sd = gc->private;
         void __iomem *type_reg;
-        u32 irq_offs = d->irq - sd->irq_base;
         u32 reg;
 
-        if (irq_offs < 8)
+        if (d->hwirq < 8)
                 type_reg = sd->gpio_pub_base + GPIT1R0;
         else
                 type_reg = sd->gpio_pub_base + GPIT1R1;
@@ -63,11 +62,11 @@ static int sdv_gpio_pub_set_type(struct irq_data *d, unsigned int type)
 
         switch (type) {
         case IRQ_TYPE_LEVEL_HIGH:
-                reg &= ~BIT(4 * (irq_offs % 8));
+                reg &= ~BIT(4 * (d->hwirq % 8));
                 break;
 
         case IRQ_TYPE_LEVEL_LOW:
-                reg |= BIT(4 * (irq_offs % 8));
+                reg |= BIT(4 * (d->hwirq % 8));
                 break;
 
         default:
@@ -91,7 +90,7 @@ static irqreturn_t sdv_gpio_pub_irq_handler(int irq, void *data)
                 u32 irq_bit = __fls(irq_stat);
 
                 irq_stat &= ~BIT(irq_bit);
-                generic_handle_irq(sd->irq_base + irq_bit);
+                generic_handle_irq(irq_find_mapping(sd->id, irq_bit));
         }
 
         return IRQ_HANDLED;
@@ -127,7 +126,7 @@ static int sdv_xlate(struct irq_domain *h, struct device_node *node,
 }
 
 static struct irq_domain_ops irq_domain_sdv_ops = {
-        .dt_translate   = sdv_xlate,
+        .xlate = sdv_xlate,
 };
 
 static __devinit int sdv_register_irqsupport(struct sdv_gpio_chip_data *sd,
@@ -149,10 +148,6 @@ static __devinit int sdv_register_irqsupport(struct sdv_gpio_chip_data *sd,
         if (ret)
                 goto out_free_desc;
 
-        sd->id.irq_base = sd->irq_base;
-        sd->id.of_node = of_node_get(pdev->dev.of_node);
-        sd->id.ops = &irq_domain_sdv_ops;
-
         /*
          * This gpio irq controller latches level irqs. Testing shows that if
          * we unmask & ACK the IRQ before the source of the interrupt is gone
@@ -179,7 +174,10 @@ static __devinit int sdv_register_irqsupport(struct sdv_gpio_chip_data *sd,
                         IRQ_GC_INIT_MASK_CACHE, IRQ_NOREQUEST,
                         IRQ_LEVEL | IRQ_NOPROBE);
 
-        irq_domain_add(&sd->id);
+        sd->id = irq_domain_add_legacy(pdev->dev.of_node, SDV_NUM_PUB_GPIOS,
+                                sd->irq_base, 0, &irq_domain_sdv_ops, sd);
+        if (!sd->id)
+                goto out_free_irq;
         return 0;
 out_free_irq:
         free_irq(pdev->irq, sd);
@@ -260,7 +258,6 @@ static void sdv_gpio_remove(struct pci_dev *pdev)
 {
         struct sdv_gpio_chip_data *sd = pci_get_drvdata(pdev);
 
-        irq_domain_del(&sd->id);
         free_irq(pdev->irq, sd);
         irq_free_descs(sd->irq_base, SDV_NUM_PUB_GPIOS);
 
diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c
index 30372f7b2d4..348b367debe 100644
--- a/drivers/gpu/drm/drm_bufs.c
+++ b/drivers/gpu/drm/drm_bufs.c
@@ -1510,8 +1510,8 @@ int drm_freebufs(struct drm_device *dev, void *data,
  * \param arg pointer to a drm_buf_map structure.
  * \return zero on success or a negative number on failure.
  *
- * Maps the AGP, SG or PCI buffer region with do_mmap(), and copies information
- * about each buffer into user space. For PCI buffers, it calls do_mmap() with
+ * Maps the AGP, SG or PCI buffer region with vm_mmap(), and copies information
+ * about each buffer into user space. For PCI buffers, it calls vm_mmap() with
  * offset equal to 0, which drm_mmap() interpretes as PCI buffers and calls
  * drm_mmap_dma().
  */
@@ -1553,18 +1553,14 @@ int drm_mapbufs(struct drm_device *dev, void *data,
                                 retcode = -EINVAL;
                                 goto done;
                         }
-                        down_write(&current->mm->mmap_sem);
-                        virtual = do_mmap(file_priv->filp, 0, map->size,
+                        virtual = vm_mmap(file_priv->filp, 0, map->size,
                                           PROT_READ | PROT_WRITE,
                                           MAP_SHARED,
                                           token);
-                        up_write(&current->mm->mmap_sem);
                 } else {
-                        down_write(&current->mm->mmap_sem);
-                        virtual = do_mmap(file_priv->filp, 0, dma->byte_count,
+                        virtual = vm_mmap(file_priv->filp, 0, dma->byte_count,
                                           PROT_READ | PROT_WRITE,
                                           MAP_SHARED, 0);
-                        up_write(&current->mm->mmap_sem);
                 }
                 if (virtual > -1024UL) {
                         /* Real error */
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index d3aaeb6ae23..c79870a75c2 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -3335,10 +3335,12 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
 
         ret = crtc->funcs->page_flip(crtc, fb, e);
         if (ret) {
-                spin_lock_irqsave(&dev->event_lock, flags);
-                file_priv->event_space += sizeof e->event;
-                spin_unlock_irqrestore(&dev->event_lock, flags);
-                kfree(e);
+                if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) {
+                        spin_lock_irqsave(&dev->event_lock, flags);
+                        file_priv->event_space += sizeof e->event;
+                        spin_unlock_irqrestore(&dev->event_lock, flags);
+                        kfree(e);
+                }
         }
 
 out:
diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index cdfbf27b2b3..123de28f94e 100644
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -507,12 +507,12 @@ int drm_release(struct inode *inode, struct file *filp)
 
         drm_events_release(file_priv);
 
-        if (dev->driver->driver_features & DRIVER_GEM)
-                drm_gem_release(dev, file_priv);
-
         if (dev->driver->driver_features & DRIVER_MODESET)
                 drm_fb_release(file_priv);
 
+        if (dev->driver->driver_features & DRIVER_GEM)
+                drm_gem_release(dev, file_priv);
+
         mutex_lock(&dev->ctxlist_mutex);
         if (!list_empty(&dev->ctxlist)) {
                 struct drm_ctx_list *pos, *n;
diff --git a/drivers/gpu/drm/drm_usb.c b/drivers/gpu/drm/drm_usb.c
index c8c83dad2ce..37c9a523dd1 100644
--- a/drivers/gpu/drm/drm_usb.c
+++ b/drivers/gpu/drm/drm_usb.c
@@ -1,6 +1,6 @@
 #include "drmP.h"
 #include <linux/usb.h>
-#include <linux/export.h>
+#include <linux/module.h>
 
 int drm_get_usb_dev(struct usb_interface *interface,
                     const struct usb_device_id *id,
@@ -114,3 +114,7 @@ void drm_usb_exit(struct drm_driver *driver,
         usb_deregister(udriver);
 }
 EXPORT_SYMBOL(drm_usb_exit);
+
+MODULE_AUTHOR("David Airlie");
+MODULE_DESCRIPTION("USB DRM support");
+MODULE_LICENSE("GPL and additional rights");
diff --git a/drivers/gpu/drm/exynos/exynos_drm_buf.c b/drivers/gpu/drm/exynos/exynos_drm_buf.c
index 4a3a5f72ed4..de8d2090bce 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_buf.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_buf.c
@@ -34,14 +34,14 @@
 static int lowlevel_buffer_allocate(struct drm_device *dev,
                 unsigned int flags, struct exynos_drm_gem_buf *buf)
 {
-        dma_addr_t start_addr, end_addr;
+        dma_addr_t start_addr;
         unsigned int npages, page_size, i = 0;
         struct scatterlist *sgl;
         int ret = 0;
 
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
-        if (flags & EXYNOS_BO_NONCONTIG) {
+        if (IS_NONCONTIG_BUFFER(flags)) {
                 DRM_DEBUG_KMS("not support allocation type.\n");
                 return -EINVAL;
         }
@@ -52,13 +52,13 @@ static int lowlevel_buffer_allocate(struct drm_device *dev,
         }
 
         if (buf->size >= SZ_1M) {
-                npages = (buf->size >> SECTION_SHIFT) + 1;
+                npages = buf->size >> SECTION_SHIFT;
                 page_size = SECTION_SIZE;
         } else if (buf->size >= SZ_64K) {
-                npages = (buf->size >> 16) + 1;
+                npages = buf->size >> 16;
                 page_size = SZ_64K;
         } else {
-                npages = (buf->size >> PAGE_SHIFT) + 1;
+                npages = buf->size >> PAGE_SHIFT;
                 page_size = PAGE_SIZE;
         }
 
@@ -76,26 +76,13 @@ static int lowlevel_buffer_allocate(struct drm_device *dev,
                 return -ENOMEM;
         }
 
-                buf->kvaddr = dma_alloc_writecombine(dev->dev, buf->size,
-                                &buf->dma_addr, GFP_KERNEL);
-                if (!buf->kvaddr) {
-                        DRM_ERROR("failed to allocate buffer.\n");
-                        ret = -ENOMEM;
-                        goto err1;
-                }
-
-                start_addr = buf->dma_addr;
-                end_addr = buf->dma_addr + buf->size;
-
-                buf->pages = kzalloc(sizeof(struct page) * npages, GFP_KERNEL);
-                if (!buf->pages) {
-                        DRM_ERROR("failed to allocate pages.\n");
-                        ret = -ENOMEM;
-                        goto err2;
-                }
-
-        start_addr = buf->dma_addr;
-        end_addr = buf->dma_addr + buf->size;
+        buf->kvaddr = dma_alloc_writecombine(dev->dev, buf->size,
+                        &buf->dma_addr, GFP_KERNEL);
+        if (!buf->kvaddr) {
+                DRM_ERROR("failed to allocate buffer.\n");
+                ret = -ENOMEM;
+                goto err1;
+        }
 
         buf->pages = kzalloc(sizeof(struct page) * npages, GFP_KERNEL);
         if (!buf->pages) {
@@ -105,23 +92,17 @@ static int lowlevel_buffer_allocate(struct drm_device *dev,
         }
 
         sgl = buf->sgt->sgl;
+        start_addr = buf->dma_addr;
 
         while (i < npages) {
                 buf->pages[i] = phys_to_page(start_addr);
                 sg_set_page(sgl, buf->pages[i], page_size, 0);
                 sg_dma_address(sgl) = start_addr;
                 start_addr += page_size;
-                if (end_addr - start_addr < page_size)
-                        break;
                 sgl = sg_next(sgl);
                 i++;
         }
 
-        buf->pages[i] = phys_to_page(start_addr);
-
-        sgl = sg_next(sgl);
-        sg_set_page(sgl, buf->pages[i+1], end_addr - start_addr, 0);
-
         DRM_DEBUG_KMS("vaddr(0x%lx), dma_addr(0x%lx), size(0x%lx)\n",
                         (unsigned long)buf->kvaddr,
                         (unsigned long)buf->dma_addr,
@@ -150,7 +131,7 @@ static void lowlevel_buffer_deallocate(struct drm_device *dev,
          * non-continuous memory would be released by exynos
          * gem framework.
          */
-        if (flags & EXYNOS_BO_NONCONTIG) {
+        if (IS_NONCONTIG_BUFFER(flags)) {
                 DRM_DEBUG_KMS("not support allocation type.\n");
                 return;
         }
diff --git a/drivers/gpu/drm/exynos/exynos_drm_core.c b/drivers/gpu/drm/exynos/exynos_drm_core.c
index 411832e8e17..eaf630dc5db 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_core.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_core.c
@@ -54,16 +54,18 @@ static int exynos_drm_subdrv_probe(struct drm_device *dev,
                  *
                  * P.S. note that this driver is considered for modularization.
                  */
-                ret = subdrv->probe(dev, subdrv->manager.dev);
+                ret = subdrv->probe(dev, subdrv->dev);
                 if (ret)
                         return ret;
         }
 
-        if (subdrv->is_local)
+        if (!subdrv->manager)
                 return 0;
 
+        subdrv->manager->dev = subdrv->dev;
+
         /* create and initialize a encoder for this sub driver. */
-        encoder = exynos_drm_encoder_create(dev, &subdrv->manager,
+        encoder = exynos_drm_encoder_create(dev, subdrv->manager,
                         (1 << MAX_CRTC) - 1);
         if (!encoder) {
                 DRM_ERROR("failed to create encoder\n");
@@ -186,7 +188,7 @@ int exynos_drm_subdrv_open(struct drm_device *dev, struct drm_file *file)
 
         list_for_each_entry(subdrv, &exynos_drm_subdrv_list, list) {
                 if (subdrv->open) {
-                        ret = subdrv->open(dev, subdrv->manager.dev, file);
+                        ret = subdrv->open(dev, subdrv->dev, file);
                         if (ret)
                                 goto err;
                 }
@@ -197,7 +199,7 @@ int exynos_drm_subdrv_open(struct drm_device *dev, struct drm_file *file)
 err:
         list_for_each_entry_reverse(subdrv, &subdrv->list, list) {
                 if (subdrv->close)
-                        subdrv->close(dev, subdrv->manager.dev, file);
+                        subdrv->close(dev, subdrv->dev, file);
         }
         return ret;
 }
@@ -209,7 +211,7 @@ void exynos_drm_subdrv_close(struct drm_device *dev, struct drm_file *file)
 
         list_for_each_entry(subdrv, &exynos_drm_subdrv_list, list) {
                 if (subdrv->close)
-                        subdrv->close(dev, subdrv->manager.dev, file);
+                        subdrv->close(dev, subdrv->dev, file);
         }
 }
 EXPORT_SYMBOL_GPL(exynos_drm_subdrv_close);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index fbd0a232c93..1d814175cd4 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -225,24 +225,25 @@ struct exynos_drm_private {
  * Exynos drm sub driver structure.
  *
  * @list: sub driver has its own list object to register to exynos drm driver.
+ * @dev: pointer to device object for subdrv device driver.
  * @drm_dev: pointer to drm_device and this pointer would be set
  *      when sub driver calls exynos_drm_subdrv_register().
- * @is_local: appear encoder and connector disrelated device.
+ * @manager: subdrv has its own manager to control a hardware appropriately
+ *      and we can access a hardware drawing on this manager.
  * @probe: this callback would be called by exynos drm driver after
  *      subdrv is registered to it.
  * @remove: this callback is used to release resources created
  *      by probe callback.
  * @open: this would be called with drm device file open.
  * @close: this would be called with drm device file close.
- * @manager: subdrv has its own manager to control a hardware appropriately
- *      and we can access a hardware drawing on this manager.
  * @encoder: encoder object owned by this sub driver.
  * @connector: connector object owned by this sub driver.
  */
 struct exynos_drm_subdrv {
         struct list_head list;
+        struct device *dev;
         struct drm_device *drm_dev;
-        bool is_local;
+        struct exynos_drm_manager *manager;
 
         int (*probe)(struct drm_device *drm_dev, struct device *dev);
         void (*remove)(struct drm_device *dev);
@@ -251,7 +252,6 @@ struct exynos_drm_subdrv {
         void (*close)(struct drm_device *drm_dev, struct device *dev,
                         struct drm_file *file);
 
-        struct exynos_drm_manager manager;
         struct drm_encoder *encoder;
         struct drm_connector *connector;
 };
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index ecb6db22970..29fdbfeb43c 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -172,7 +172,7 @@ static void fimd_dpms(struct device *subdrv_dev, int mode)
 static void fimd_apply(struct device *subdrv_dev)
 {
         struct fimd_context *ctx = get_fimd_context(subdrv_dev);
-        struct exynos_drm_manager *mgr = &ctx->subdrv.manager;
+        struct exynos_drm_manager *mgr = ctx->subdrv.manager;
         struct exynos_drm_manager_ops *mgr_ops = mgr->ops;
         struct exynos_drm_overlay_ops *ovl_ops = mgr->overlay_ops;
         struct fimd_win_data *win_data;
@@ -577,6 +577,13 @@ static struct exynos_drm_overlay_ops fimd_overlay_ops = {
         .disable = fimd_win_disable,
 };
 
+static struct exynos_drm_manager fimd_manager = {
+        .pipe           = -1,
+        .ops            = &fimd_manager_ops,
+        .overlay_ops    = &fimd_overlay_ops,
+        .display_ops    = &fimd_display_ops,
+};
+
 static void fimd_finish_pageflip(struct drm_device *drm_dev, int crtc)
 {
         struct exynos_drm_private *dev_priv = drm_dev->dev_private;
@@ -628,7 +635,7 @@ static irqreturn_t fimd_irq_handler(int irq, void *dev_id)
         struct fimd_context *ctx = (struct fimd_context *)dev_id;
         struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
         struct drm_device *drm_dev = subdrv->drm_dev;
-        struct exynos_drm_manager *manager = &subdrv->manager;
+        struct exynos_drm_manager *manager = subdrv->manager;
         u32 val;
 
         val = readl(ctx->regs + VIDINTCON1);
@@ -744,7 +751,7 @@ static void fimd_clear_win(struct fimd_context *ctx, int win)
 static int fimd_power_on(struct fimd_context *ctx, bool enable)
 {
         struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
-        struct device *dev = subdrv->manager.dev;
+        struct device *dev = subdrv->dev;
 
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
@@ -867,13 +874,10 @@ static int __devinit fimd_probe(struct platform_device *pdev)
 
         subdrv = &ctx->subdrv;
 
+        subdrv->dev = dev;
+        subdrv->manager = &fimd_manager;
         subdrv->probe = fimd_subdrv_probe;
         subdrv->remove = fimd_subdrv_remove;
-        subdrv->manager.pipe = -1;
-        subdrv->manager.ops = &fimd_manager_ops;
-        subdrv->manager.overlay_ops = &fimd_overlay_ops;
-        subdrv->manager.display_ops = &fimd_display_ops;
-        subdrv->manager.dev = dev;
 
         mutex_init(&ctx->lock);
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index fa1aa94a3d8..1dffa8359f8 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -56,9 +56,28 @@ static unsigned int convert_to_vm_err_msg(int msg)
         return out_msg;
 }
 
-static unsigned int mask_gem_flags(unsigned int flags)
+static int check_gem_flags(unsigned int flags)
 {
-        return flags &= EXYNOS_BO_NONCONTIG;
+        if (flags & ~(EXYNOS_BO_MASK)) {
+                DRM_ERROR("invalid flags.\n");
+                return -EINVAL;
+        }
+
+        return 0;
+}
+
+static unsigned long roundup_gem_size(unsigned long size, unsigned int flags)
+{
+        if (!IS_NONCONTIG_BUFFER(flags)) {
+                if (size >= SZ_1M)
+                        return roundup(size, SECTION_SIZE);
+                else if (size >= SZ_64K)
+                        return roundup(size, SZ_64K);
+                else
+                        goto out;
+        }
+out:
+        return roundup(size, PAGE_SIZE);
 }
 
 static struct page **exynos_gem_get_pages(struct drm_gem_object *obj,
@@ -130,22 +149,12 @@ static int exynos_drm_gem_map_pages(struct drm_gem_object *obj,
         unsigned long pfn;
 
         if (exynos_gem_obj->flags & EXYNOS_BO_NONCONTIG) {
-                unsigned long usize = buf->size;
-
                 if (!buf->pages)
                         return -EINTR;
 
-                while (usize > 0) {
-                        pfn = page_to_pfn(buf->pages[page_offset++]);
-                        vm_insert_mixed(vma, f_vaddr, pfn);
-                        f_vaddr += PAGE_SIZE;
-                        usize -= PAGE_SIZE;
-                }
-
-                return 0;
-        }
-
-        pfn = (buf->dma_addr >> PAGE_SHIFT) + page_offset;
+                pfn = page_to_pfn(buf->pages[page_offset++]);
+        } else
+                pfn = (buf->dma_addr >> PAGE_SHIFT) + page_offset;
 
         return vm_insert_mixed(vma, f_vaddr, pfn);
 }
@@ -319,10 +328,17 @@ struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev,
         struct exynos_drm_gem_buf *buf;
         int ret;
 
-        size = roundup(size, PAGE_SIZE);
-        DRM_DEBUG_KMS("%s: size = 0x%lx\n", __FILE__, size);
+        if (!size) {
+                DRM_ERROR("invalid size.\n");
+                return ERR_PTR(-EINVAL);
+        }
+
+        size = roundup_gem_size(size, flags);
+        DRM_DEBUG_KMS("%s\n", __FILE__);
 
-        flags = mask_gem_flags(flags);
+        ret = check_gem_flags(flags);
+        if (ret)
+                return ERR_PTR(ret);
 
         buf = exynos_drm_init_buf(dev, size);
         if (!buf)
@@ -331,7 +347,7 @@ struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev,
         exynos_gem_obj = exynos_drm_gem_init(dev, size);
         if (!exynos_gem_obj) {
                 ret = -ENOMEM;
-                goto err;
+                goto err_fini_buf;
         }
 
         exynos_gem_obj->buffer = buf;
@@ -347,18 +363,19 @@ struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev,
                 ret = exynos_drm_gem_get_pages(&exynos_gem_obj->base);
                 if (ret < 0) {
                         drm_gem_object_release(&exynos_gem_obj->base);
-                        goto err;
+                        goto err_fini_buf;
                 }
         } else {
                 ret = exynos_drm_alloc_buf(dev, buf, flags);
                 if (ret < 0) {
                         drm_gem_object_release(&exynos_gem_obj->base);
-                        goto err;
+                        goto err_fini_buf;
                 }
         }
 
         return exynos_gem_obj;
-err:
+
+err_fini_buf:
         exynos_drm_fini_buf(dev, buf);
         return ERR_PTR(ret);
 }
@@ -497,6 +514,8 @@ static int exynos_drm_gem_mmap_buffer(struct file *filp,
                 if (!buffer->pages)
                         return -EINVAL;
 
+                vma->vm_flags |= VM_MIXEDMAP;
+
                 do {
                         ret = vm_insert_page(vma, uaddr, buffer->pages[i++]);
                         if (ret) {
@@ -554,10 +573,8 @@ int exynos_drm_gem_mmap_ioctl(struct drm_device *dev, void *data,
         obj->filp->f_op = &exynos_drm_gem_fops;
         obj->filp->private_data = obj;
 
-        down_write(&current->mm->mmap_sem);
-        addr = do_mmap(obj->filp, 0, args->size,
+        addr = vm_mmap(obj->filp, 0, args->size,
                         PROT_READ | PROT_WRITE, MAP_SHARED, 0);
-        up_write(&current->mm->mmap_sem);
 
         drm_gem_object_unreference_unlocked(obj);
 
@@ -685,7 +702,6 @@ int exynos_drm_gem_dumb_destroy(struct drm_file *file_priv,
 int exynos_drm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
         struct drm_gem_object *obj = vma->vm_private_data;
-        struct exynos_drm_gem_obj *exynos_gem_obj = to_exynos_gem_obj(obj);
         struct drm_device *dev = obj->dev;
         unsigned long f_vaddr;
         pgoff_t page_offset;
@@ -697,21 +713,10 @@ int exynos_drm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 
         mutex_lock(&dev->struct_mutex);
 
-        /*
-         * allocate all pages as desired size if user wants to allocate
-         * physically non-continuous memory.
-         */
-        if (exynos_gem_obj->flags & EXYNOS_BO_NONCONTIG) {
-                ret = exynos_drm_gem_get_pages(obj);
-                if (ret < 0)
-                        goto err;
-        }
-
         ret = exynos_drm_gem_map_pages(obj, vma, f_vaddr, page_offset);
         if (ret < 0)
                 DRM_ERROR("failed to map pages.\n");
 
-err:
         mutex_unlock(&dev->struct_mutex);
 
         return convert_to_vm_err_msg(ret);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h
index e40fbad8b70..4ed84203950 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h
@@ -29,6 +29,8 @@
 #define to_exynos_gem_obj(x)    container_of(x,\
                         struct exynos_drm_gem_obj, base)
 
+#define IS_NONCONTIG_BUFFER(f)          (f & EXYNOS_BO_NONCONTIG)
+
 /*
  * exynos drm gem buffer structure.
  *
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
index 14eb26b0ba1..3424463676e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
@@ -30,9 +30,8 @@
                                         struct drm_hdmi_context, subdrv);
 
 /* these callback points shoud be set by specific drivers. */
-static struct exynos_hdmi_display_ops *hdmi_display_ops;
-static struct exynos_hdmi_manager_ops *hdmi_manager_ops;
-static struct exynos_hdmi_overlay_ops *hdmi_overlay_ops;
+static struct exynos_hdmi_ops *hdmi_ops;
+static struct exynos_mixer_ops *mixer_ops;
 
 struct drm_hdmi_context {
         struct exynos_drm_subdrv        subdrv;
@@ -40,31 +39,20 @@ struct drm_hdmi_context {
         struct exynos_drm_hdmi_context  *mixer_ctx;
 };
 
-void exynos_drm_display_ops_register(struct exynos_hdmi_display_ops
-                                        *display_ops)
+void exynos_hdmi_ops_register(struct exynos_hdmi_ops *ops)
 {
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
-        if (display_ops)
-                hdmi_display_ops = display_ops;
+        if (ops)
+                hdmi_ops = ops;
 }
 
-void exynos_drm_manager_ops_register(struct exynos_hdmi_manager_ops
-                                        *manager_ops)
+void exynos_mixer_ops_register(struct exynos_mixer_ops *ops)
 {
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
-        if (manager_ops)
-                hdmi_manager_ops = manager_ops;
-}
-
-void exynos_drm_overlay_ops_register(struct exynos_hdmi_overlay_ops
-                                        *overlay_ops)
-{
-        DRM_DEBUG_KMS("%s\n", __FILE__);
-
-        if (overlay_ops)
-                hdmi_overlay_ops = overlay_ops;
+        if (ops)
+                mixer_ops = ops;
 }
 
 static bool drm_hdmi_is_connected(struct device *dev)
@@ -73,8 +61,8 @@ static bool drm_hdmi_is_connected(struct device *dev)
 
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
-        if (hdmi_display_ops && hdmi_display_ops->is_connected)
-                return hdmi_display_ops->is_connected(ctx->hdmi_ctx->ctx);
+        if (hdmi_ops && hdmi_ops->is_connected)
+                return hdmi_ops->is_connected(ctx->hdmi_ctx->ctx);
 
         return false;
 }
@@ -86,9 +74,9 @@ static int drm_hdmi_get_edid(struct device *dev,
 
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
-        if (hdmi_display_ops && hdmi_display_ops->get_edid)
-                return hdmi_display_ops->get_edid(ctx->hdmi_ctx->ctx,
-                                connector, edid, len);
+        if (hdmi_ops && hdmi_ops->get_edid)
+                return hdmi_ops->get_edid(ctx->hdmi_ctx->ctx, connector, edid,
+                                          len);
 
         return 0;
 }
@@ -99,9 +87,8 @@ static int drm_hdmi_check_timing(struct device *dev, void *timing)
 
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
-        if (hdmi_display_ops && hdmi_display_ops->check_timing)
-                return hdmi_display_ops->check_timing(ctx->hdmi_ctx->ctx,
-                                timing);
+        if (hdmi_ops && hdmi_ops->check_timing)
+                return hdmi_ops->check_timing(ctx->hdmi_ctx->ctx, timing);
 
         return 0;
 }
@@ -112,8 +99,8 @@ static int drm_hdmi_power_on(struct device *dev, int mode)
 
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
-        if (hdmi_display_ops && hdmi_display_ops->power_on)
-                return hdmi_display_ops->power_on(ctx->hdmi_ctx->ctx, mode);
+        if (hdmi_ops && hdmi_ops->power_on)
+                return hdmi_ops->power_on(ctx->hdmi_ctx->ctx, mode);
 
         return 0;
 }
@@ -130,13 +117,13 @@ static int drm_hdmi_enable_vblank(struct device *subdrv_dev)
 {
         struct drm_hdmi_context *ctx = to_context(subdrv_dev);
         struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
-        struct exynos_drm_manager *manager = &subdrv->manager;
+        struct exynos_drm_manager *manager = subdrv->manager;
 
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
-        if (hdmi_overlay_ops && hdmi_overlay_ops->enable_vblank)
-                return hdmi_overlay_ops->enable_vblank(ctx->mixer_ctx->ctx,
-                                                        manager->pipe);
+        if (mixer_ops && mixer_ops->enable_vblank)
+                return mixer_ops->enable_vblank(ctx->mixer_ctx->ctx,
+                                                manager->pipe);
 
         return 0;
 }
@@ -147,8 +134,8 @@ static void drm_hdmi_disable_vblank(struct device *subdrv_dev)
 
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
-        if (hdmi_overlay_ops && hdmi_overlay_ops->disable_vblank)
-                return hdmi_overlay_ops->disable_vblank(ctx->mixer_ctx->ctx);
+        if (mixer_ops && mixer_ops->disable_vblank)
+                return mixer_ops->disable_vblank(ctx->mixer_ctx->ctx);
 }
 
 static void drm_hdmi_mode_fixup(struct device *subdrv_dev,
@@ -160,9 +147,9 @@ static void drm_hdmi_mode_fixup(struct device *subdrv_dev,
 
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
-        if (hdmi_manager_ops && hdmi_manager_ops->mode_fixup)
-                hdmi_manager_ops->mode_fixup(ctx->hdmi_ctx->ctx, connector,
-                                                mode, adjusted_mode);
+        if (hdmi_ops && hdmi_ops->mode_fixup)
+                hdmi_ops->mode_fixup(ctx->hdmi_ctx->ctx, connector, mode,
+                                     adjusted_mode);
 }
 
 static void drm_hdmi_mode_set(struct device *subdrv_dev, void *mode)
@@ -171,8 +158,8 @@ static void drm_hdmi_mode_set(struct device *subdrv_dev, void *mode)
 
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
-        if (hdmi_manager_ops && hdmi_manager_ops->mode_set)
-                hdmi_manager_ops->mode_set(ctx->hdmi_ctx->ctx, mode);
+        if (hdmi_ops && hdmi_ops->mode_set)
+                hdmi_ops->mode_set(ctx->hdmi_ctx->ctx, mode);
 }
 
 static void drm_hdmi_get_max_resol(struct device *subdrv_dev,
@@ -182,9 +169,8 @@ static void drm_hdmi_get_max_resol(struct device *subdrv_dev,
 
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
-        if (hdmi_manager_ops && hdmi_manager_ops->get_max_resol)
-                hdmi_manager_ops->get_max_resol(ctx->hdmi_ctx->ctx, width,
-                                                        height);
+        if (hdmi_ops && hdmi_ops->get_max_resol)
+                hdmi_ops->get_max_resol(ctx->hdmi_ctx->ctx, width, height);
 }
 
 static void drm_hdmi_commit(struct device *subdrv_dev)
@@ -193,8 +179,8 @@ static void drm_hdmi_commit(struct device *subdrv_dev)
 
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
-        if (hdmi_manager_ops && hdmi_manager_ops->commit)
-                hdmi_manager_ops->commit(ctx->hdmi_ctx->ctx);
+        if (hdmi_ops && hdmi_ops->commit)
+                hdmi_ops->commit(ctx->hdmi_ctx->ctx);
 }
 
 static void drm_hdmi_dpms(struct device *subdrv_dev, int mode)
@@ -209,8 +195,8 @@ static void drm_hdmi_dpms(struct device *subdrv_dev, int mode)
         case DRM_MODE_DPMS_STANDBY:
         case DRM_MODE_DPMS_SUSPEND:
         case DRM_MODE_DPMS_OFF:
-                if (hdmi_manager_ops && hdmi_manager_ops->disable)
-                        hdmi_manager_ops->disable(ctx->hdmi_ctx->ctx);
+                if (hdmi_ops && hdmi_ops->disable)
+                        hdmi_ops->disable(ctx->hdmi_ctx->ctx);
                 break;
         default:
                 DRM_DEBUG_KMS("unkown dps mode: %d\n", mode);
@@ -235,8 +221,8 @@ static void drm_mixer_mode_set(struct device *subdrv_dev,
 
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
-        if (hdmi_overlay_ops && hdmi_overlay_ops->win_mode_set)
-                hdmi_overlay_ops->win_mode_set(ctx->mixer_ctx->ctx, overlay);
+        if (mixer_ops && mixer_ops->win_mode_set)
+                mixer_ops->win_mode_set(ctx->mixer_ctx->ctx, overlay);
 }
 
 static void drm_mixer_commit(struct device *subdrv_dev, int zpos)
@@ -245,8 +231,8 @@ static void drm_mixer_commit(struct device *subdrv_dev, int zpos)
 
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
-        if (hdmi_overlay_ops && hdmi_overlay_ops->win_commit)
-                hdmi_overlay_ops->win_commit(ctx->mixer_ctx->ctx, zpos);
+        if (mixer_ops && mixer_ops->win_commit)
+                mixer_ops->win_commit(ctx->mixer_ctx->ctx, zpos);
 }
 
 static void drm_mixer_disable(struct device *subdrv_dev, int zpos)
@@ -255,8 +241,8 @@ static void drm_mixer_disable(struct device *subdrv_dev, int zpos)
 
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
-        if (hdmi_overlay_ops && hdmi_overlay_ops->win_disable)
-                hdmi_overlay_ops->win_disable(ctx->mixer_ctx->ctx, zpos);
+        if (mixer_ops && mixer_ops->win_disable)
+                mixer_ops->win_disable(ctx->mixer_ctx->ctx, zpos);
 }
 
 static struct exynos_drm_overlay_ops drm_hdmi_overlay_ops = {
@@ -265,6 +251,12 @@ static struct exynos_drm_overlay_ops drm_hdmi_overlay_ops = {
         .disable = drm_mixer_disable,
 };
 
+static struct exynos_drm_manager hdmi_manager = {
+        .pipe           = -1,
+        .ops            = &drm_hdmi_manager_ops,
+        .overlay_ops    = &drm_hdmi_overlay_ops,
+        .display_ops    = &drm_hdmi_display_ops,
+};
 
 static int hdmi_subdrv_probe(struct drm_device *drm_dev,
                 struct device *dev)
@@ -332,12 +324,9 @@ static int __devinit exynos_drm_hdmi_probe(struct platform_device *pdev)
 
         subdrv = &ctx->subdrv;
 
+        subdrv->dev = dev;
+        subdrv->manager = &hdmi_manager;
         subdrv->probe = hdmi_subdrv_probe;
-        subdrv->manager.pipe = -1;
-        subdrv->manager.ops = &drm_hdmi_manager_ops;
-        subdrv->manager.overlay_ops = &drm_hdmi_overlay_ops;
-        subdrv->manager.display_ops = &drm_hdmi_display_ops;
-        subdrv->manager.dev = dev;
 
         platform_set_drvdata(pdev, subdrv);
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h b/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
index 44497cfb6c7..f3ae192c8dc 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
@@ -38,15 +38,15 @@ struct exynos_drm_hdmi_context {
         void                    *ctx;
 };
 
-struct exynos_hdmi_display_ops {
+struct exynos_hdmi_ops {
+        /* display */
         bool (*is_connected)(void *ctx);
         int (*get_edid)(void *ctx, struct drm_connector *connector,
                         u8 *edid, int len);
         int (*check_timing)(void *ctx, void *timing);
         int (*power_on)(void *ctx, int mode);
-};
 
-struct exynos_hdmi_manager_ops {
+        /* manager */
         void (*mode_fixup)(void *ctx, struct drm_connector *connector,
                                 struct drm_display_mode *mode,
                                 struct drm_display_mode *adjusted_mode);
@@ -57,22 +57,17 @@ struct exynos_hdmi_manager_ops {
         void (*disable)(void *ctx);
 };
 
-struct exynos_hdmi_overlay_ops {
+struct exynos_mixer_ops {
+        /* manager */
         int (*enable_vblank)(void *ctx, int pipe);
         void (*disable_vblank)(void *ctx);
+
+        /* overlay */
         void (*win_mode_set)(void *ctx, struct exynos_drm_overlay *overlay);
         void (*win_commit)(void *ctx, int zpos);
         void (*win_disable)(void *ctx, int zpos);
 };
 
-extern struct platform_driver hdmi_driver;
-extern struct platform_driver mixer_driver;
-
-void exynos_drm_display_ops_register(struct exynos_hdmi_display_ops
-                                        *display_ops);
-void exynos_drm_manager_ops_register(struct exynos_hdmi_manager_ops
-                                        *manager_ops);
-void exynos_drm_overlay_ops_register(struct exynos_hdmi_overlay_ops
-                                        *overlay_ops);
-
+void exynos_hdmi_ops_register(struct exynos_hdmi_ops *ops);
+void exynos_mixer_ops_register(struct exynos_mixer_ops *ops);
 #endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c
index c277a3a445f..f92fe4c6174 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_plane.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c
@@ -24,6 +24,10 @@ struct exynos_plane {
 
 static const uint32_t formats[] = {
         DRM_FORMAT_XRGB8888,
+        DRM_FORMAT_ARGB8888,
+        DRM_FORMAT_NV12,
+        DRM_FORMAT_NV12M,
+        DRM_FORMAT_NV12MT,
 };
 
 static int
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index 8e1339f9fe1..7b9c153dceb 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -199,7 +199,7 @@ static void vidi_dpms(struct device *subdrv_dev, int mode)
 static void vidi_apply(struct device *subdrv_dev)
 {
         struct vidi_context *ctx = get_vidi_context(subdrv_dev);
-        struct exynos_drm_manager *mgr = &ctx->subdrv.manager;
+        struct exynos_drm_manager *mgr = ctx->subdrv.manager;
         struct exynos_drm_manager_ops *mgr_ops = mgr->ops;
         struct exynos_drm_overlay_ops *ovl_ops = mgr->overlay_ops;
         struct vidi_win_data *win_data;
@@ -374,6 +374,13 @@ static struct exynos_drm_overlay_ops vidi_overlay_ops = {
         .disable = vidi_win_disable,
 };
 
+static struct exynos_drm_manager vidi_manager = {
+        .pipe           = -1,
+        .ops            = &vidi_manager_ops,
+        .overlay_ops    = &vidi_overlay_ops,
+        .display_ops    = &vidi_display_ops,
+};
+
 static void vidi_finish_pageflip(struct drm_device *drm_dev, int crtc)
 {
         struct exynos_drm_private *dev_priv = drm_dev->dev_private;
@@ -425,7 +432,7 @@ static void vidi_fake_vblank_handler(struct work_struct *work)
         struct vidi_context *ctx = container_of(work, struct vidi_context,
                                         work);
         struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
-        struct exynos_drm_manager *manager = &subdrv->manager;
+        struct exynos_drm_manager *manager = subdrv->manager;
 
         if (manager->pipe < 0)
                 return;
@@ -471,7 +478,7 @@ static void vidi_subdrv_remove(struct drm_device *drm_dev)
 static int vidi_power_on(struct vidi_context *ctx, bool enable)
 {
         struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
-        struct device *dev = subdrv->manager.dev;
+        struct device *dev = subdrv->dev;
 
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
@@ -611,13 +618,10 @@ static int __devinit vidi_probe(struct platform_device *pdev)
         ctx->raw_edid = (struct edid *)fake_edid_info;
 
         subdrv = &ctx->subdrv;
+        subdrv->dev = dev;
+        subdrv->manager = &vidi_manager;
         subdrv->probe = vidi_subdrv_probe;
         subdrv->remove = vidi_subdrv_remove;
-        subdrv->manager.pipe = -1;
-        subdrv->manager.ops = &vidi_manager_ops;
-        subdrv->manager.overlay_ops = &vidi_overlay_ops;
-        subdrv->manager.display_ops = &vidi_display_ops;
-        subdrv->manager.dev = dev;
 
         mutex_init(&ctx->lock);
 
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 575a8cbd353..b0035387645 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -40,7 +40,6 @@
 
 #include "exynos_hdmi.h"
 
-#define HDMI_OVERLAY_NUMBER     3
 #define MAX_WIDTH               1920
 #define MAX_HEIGHT              1080
 #define get_hdmi_context(dev)   platform_get_drvdata(to_platform_device(dev))
@@ -1194,7 +1193,7 @@ static int hdmi_conf_index(struct hdmi_context *hdata,
 
 static bool hdmi_is_connected(void *ctx)
 {
-        struct hdmi_context *hdata = (struct hdmi_context *)ctx;
+        struct hdmi_context *hdata = ctx;
         u32 val = hdmi_reg_read(hdata, HDMI_HPD_STATUS);
 
         if (val)
@@ -1207,7 +1206,7 @@ static int hdmi_get_edid(void *ctx, struct drm_connector *connector,
                                 u8 *edid, int len)
 {
         struct edid *raw_edid;
-        struct hdmi_context *hdata = (struct hdmi_context *)ctx;
+        struct hdmi_context *hdata = ctx;
 
         DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
 
@@ -1275,7 +1274,7 @@ static int hdmi_v14_check_timing(struct fb_videomode *check_timing)
 
 static int hdmi_check_timing(void *ctx, void *timing)
 {
-        struct hdmi_context *hdata = (struct hdmi_context *)ctx;
+        struct hdmi_context *hdata = ctx;
         struct fb_videomode *check_timing = timing;
 
         DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
@@ -1312,13 +1311,6 @@ static int hdmi_display_power_on(void *ctx, int mode)
         return 0;
 }
 
-static struct exynos_hdmi_display_ops display_ops = {
-        .is_connected   = hdmi_is_connected,
-        .get_edid       = hdmi_get_edid,
-        .check_timing   = hdmi_check_timing,
-        .power_on       = hdmi_display_power_on,
-};
-
 static void hdmi_set_acr(u32 freq, u8 *acr)
 {
         u32 n, cts;
@@ -1914,7 +1906,7 @@ static void hdmi_mode_fixup(void *ctx, struct drm_connector *connector,
                                 struct drm_display_mode *adjusted_mode)
 {
         struct drm_display_mode *m;
-        struct hdmi_context *hdata = (struct hdmi_context *)ctx;
+        struct hdmi_context *hdata = ctx;
         int index;
 
         DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
@@ -1951,7 +1943,7 @@ static void hdmi_mode_fixup(void *ctx, struct drm_connector *connector,
 
 static void hdmi_mode_set(void *ctx, void *mode)
 {
-        struct hdmi_context *hdata = (struct hdmi_context *)ctx;
+        struct hdmi_context *hdata = ctx;
         int conf_idx;
 
         DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
@@ -1974,7 +1966,7 @@ static void hdmi_get_max_resol(void *ctx, unsigned int *width,
 
 static void hdmi_commit(void *ctx)
 {
-        struct hdmi_context *hdata = (struct hdmi_context *)ctx;
+        struct hdmi_context *hdata = ctx;
 
         DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
 
@@ -1985,7 +1977,7 @@ static void hdmi_commit(void *ctx)
 
 static void hdmi_disable(void *ctx)
 {
-        struct hdmi_context *hdata = (struct hdmi_context *)ctx;
+        struct hdmi_context *hdata = ctx;
 
         DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
 
@@ -1996,7 +1988,14 @@ static void hdmi_disable(void *ctx)
         }
 }
 
-static struct exynos_hdmi_manager_ops manager_ops = {
+static struct exynos_hdmi_ops hdmi_ops = {
+        /* display */
+        .is_connected   = hdmi_is_connected,
+        .get_edid       = hdmi_get_edid,
+        .check_timing   = hdmi_check_timing,
+        .power_on       = hdmi_display_power_on,
+
+        /* manager */
         .mode_fixup     = hdmi_mode_fixup,
         .mode_set       = hdmi_mode_set,
         .get_max_resol  = hdmi_get_max_resol,
@@ -2020,7 +2019,7 @@ static void hdmi_hotplug_func(struct work_struct *work)
 static irqreturn_t hdmi_irq_handler(int irq, void *arg)
 {
         struct exynos_drm_hdmi_context *ctx = arg;
-        struct hdmi_context *hdata = (struct hdmi_context *)ctx->ctx;
+        struct hdmi_context *hdata = ctx->ctx;
         u32 intc_flag;
 
         intc_flag = hdmi_reg_read(hdata, HDMI_INTC_FLAG);
@@ -2173,7 +2172,7 @@ static int hdmi_runtime_suspend(struct device *dev)
 
         DRM_DEBUG_KMS("%s\n", __func__);
 
-        hdmi_resource_poweroff((struct hdmi_context *)ctx->ctx);
+        hdmi_resource_poweroff(ctx->ctx);
 
         return 0;
 }
@@ -2184,7 +2183,7 @@ static int hdmi_runtime_resume(struct device *dev)
 
         DRM_DEBUG_KMS("%s\n", __func__);
 
-        hdmi_resource_poweron((struct hdmi_context *)ctx->ctx);
+        hdmi_resource_poweron(ctx->ctx);
 
         return 0;
 }
@@ -2322,8 +2321,7 @@ static int __devinit hdmi_probe(struct platform_device *pdev)
         hdata->irq = res->start;
 
         /* register specific callbacks to common hdmi. */
-        exynos_drm_display_ops_register(&display_ops);
-        exynos_drm_manager_ops_register(&manager_ops);
+        exynos_hdmi_ops_register(&hdmi_ops);
 
         hdmi_resource_poweron(hdata);
 
@@ -2351,7 +2349,7 @@ err_data:
 static int __devexit hdmi_remove(struct platform_device *pdev)
 {
         struct exynos_drm_hdmi_context *ctx = platform_get_drvdata(pdev);
-        struct hdmi_context *hdata = (struct hdmi_context *)ctx->ctx;
+        struct hdmi_context *hdata = ctx->ctx;
 
         DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
 
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 4d5f41e1952..e15438c0112 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -37,7 +37,8 @@
 #include "exynos_drm_drv.h"
 #include "exynos_drm_hdmi.h"
 
-#define HDMI_OVERLAY_NUMBER     3
+#define MIXER_WIN_NR            3
+#define MIXER_DEFAULT_WIN       0
 
 #define get_mixer_context(dev)  platform_get_drvdata(to_platform_device(dev))
 
@@ -75,16 +76,12 @@ struct mixer_resources {
 };
 
 struct mixer_context {
-        struct fb_videomode     *default_timing;
-        unsigned int            default_win;
-        unsigned int            default_bpp;
         unsigned int            irq;
         int                     pipe;
         bool                    interlace;
-        bool                    vp_enabled;
 
         struct mixer_resources  mixer_res;
-        struct hdmi_win_data    win_data[HDMI_OVERLAY_NUMBER];
+        struct hdmi_win_data    win_data[MIXER_WIN_NR];
 };
 
 static const u8 filter_y_horiz_tap8[] = {
@@ -643,9 +640,9 @@ static void mixer_win_mode_set(void *ctx,
 
         win = overlay->zpos;
         if (win == DEFAULT_ZPOS)
-                win = mixer_ctx->default_win;
+                win = MIXER_DEFAULT_WIN;
 
-        if (win < 0 || win > HDMI_OVERLAY_NUMBER) {
+        if (win < 0 || win > MIXER_WIN_NR) {
                 DRM_ERROR("overlay plane[%d] is wrong\n", win);
                 return;
         }
@@ -683,9 +680,9 @@ static void mixer_win_commit(void *ctx, int zpos)
         DRM_DEBUG_KMS("[%d] %s, win: %d\n", __LINE__, __func__, win);
 
         if (win == DEFAULT_ZPOS)
-                win = mixer_ctx->default_win;
+                win = MIXER_DEFAULT_WIN;
 
-        if (win < 0 || win > HDMI_OVERLAY_NUMBER) {
+        if (win < 0 || win > MIXER_WIN_NR) {
                 DRM_ERROR("overlay plane[%d] is wrong\n", win);
                 return;
         }
@@ -706,9 +703,9 @@ static void mixer_win_disable(void *ctx, int zpos)
         DRM_DEBUG_KMS("[%d] %s, win: %d\n", __LINE__, __func__, win);
 
         if (win == DEFAULT_ZPOS)
-                win = mixer_ctx->default_win;
+                win = MIXER_DEFAULT_WIN;
 
-        if (win < 0 || win > HDMI_OVERLAY_NUMBER) {
+        if (win < 0 || win > MIXER_WIN_NR) {
                 DRM_ERROR("overlay plane[%d] is wrong\n", win);
                 return;
         }
@@ -722,9 +719,12 @@ static void mixer_win_disable(void *ctx, int zpos)
         spin_unlock_irqrestore(&res->reg_slock, flags);
 }
 
-static struct exynos_hdmi_overlay_ops overlay_ops = {
+static struct exynos_mixer_ops mixer_ops = {
+        /* manager */
         .enable_vblank          = mixer_enable_vblank,
         .disable_vblank         = mixer_disable_vblank,
+
+        /* overlay */
         .win_mode_set           = mixer_win_mode_set,
         .win_commit             = mixer_win_commit,
         .win_disable            = mixer_win_disable,
@@ -771,8 +771,7 @@ static void mixer_finish_pageflip(struct drm_device *drm_dev, int crtc)
 static irqreturn_t mixer_irq_handler(int irq, void *arg)
 {
         struct exynos_drm_hdmi_context *drm_hdmi_ctx = arg;
-        struct mixer_context *ctx =
-                        (struct mixer_context *)drm_hdmi_ctx->ctx;
+        struct mixer_context *ctx = drm_hdmi_ctx->ctx;
         struct mixer_resources *res = &ctx->mixer_res;
         u32 val, val_base;
 
@@ -902,7 +901,7 @@ static int mixer_runtime_resume(struct device *dev)
 
         DRM_DEBUG_KMS("resume - start\n");
 
-        mixer_resource_poweron((struct mixer_context *)ctx->ctx);
+        mixer_resource_poweron(ctx->ctx);
 
         return 0;
 }
@@ -913,7 +912,7 @@ static int mixer_runtime_suspend(struct device *dev)
 
         DRM_DEBUG_KMS("suspend - start\n");
 
-        mixer_resource_poweroff((struct mixer_context *)ctx->ctx);
+        mixer_resource_poweroff(ctx->ctx);
 
         return 0;
 }
@@ -926,8 +925,7 @@ static const struct dev_pm_ops mixer_pm_ops = {
 static int __devinit mixer_resources_init(struct exynos_drm_hdmi_context *ctx,
                                  struct platform_device *pdev)
 {
-        struct mixer_context *mixer_ctx =
-                        (struct mixer_context *)ctx->ctx;
+        struct mixer_context *mixer_ctx = ctx->ctx;
         struct device *dev = &pdev->dev;
         struct mixer_resources *mixer_res = &mixer_ctx->mixer_res;
         struct resource *res;
@@ -1076,7 +1074,7 @@ static int __devinit mixer_probe(struct platform_device *pdev)
                 goto fail;
 
         /* register specific callback point to common hdmi. */
-        exynos_drm_overlay_ops_register(&overlay_ops);
+        exynos_mixer_ops_register(&mixer_ops);
 
         mixer_resource_poweron(ctx);
 
@@ -1093,7 +1091,7 @@ static int mixer_remove(struct platform_device *pdev)
         struct device *dev = &pdev->dev;
         struct exynos_drm_hdmi_context *drm_hdmi_ctx =
                                         platform_get_drvdata(pdev);
-        struct mixer_context *ctx = (struct mixer_context *)drm_hdmi_ctx->ctx;
+        struct mixer_context *ctx = drm_hdmi_ctx->ctx;
 
         dev_info(dev, "remove successful\n");
 
diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_output.h b/drivers/gpu/drm/gma500/mdfld_dsi_output.h
index 21071cef92a..36eb0744841 100644
--- a/drivers/gpu/drm/gma500/mdfld_dsi_output.h
+++ b/drivers/gpu/drm/gma500/mdfld_dsi_output.h
@@ -29,7 +29,6 @@
 #define __MDFLD_DSI_OUTPUT_H__
 
 #include <linux/backlight.h>
-#include <linux/version.h>
 #include <drm/drmP.h>
 #include <drm/drm.h>
 #include <drm/drm_crtc.h>
diff --git a/drivers/gpu/drm/i810/i810_dma.c b/drivers/gpu/drm/i810/i810_dma.c
index 2c8a60c3b98..f920fb5e42b 100644
--- a/drivers/gpu/drm/i810/i810_dma.c
+++ b/drivers/gpu/drm/i810/i810_dma.c
@@ -129,6 +129,7 @@ static int i810_map_buffer(struct drm_buf *buf, struct drm_file *file_priv)
         if (buf_priv->currently_mapped == I810_BUF_MAPPED)
                 return -EINVAL;
 
+        /* This is all entirely broken */
         down_write(&current->mm->mmap_sem);
         old_fops = file_priv->filp->f_op;
         file_priv->filp->f_op = &i810_buffer_fops;
@@ -157,11 +158,8 @@ static int i810_unmap_buffer(struct drm_buf *buf)
         if (buf_priv->currently_mapped != I810_BUF_MAPPED)
                 return -EINVAL;
 
-        down_write(&current->mm->mmap_sem);
-        retcode = do_munmap(current->mm,
-                            (unsigned long)buf_priv->virtual,
+        retcode = vm_munmap((unsigned long)buf_priv->virtual,
                             (size_t) buf->total);
-        up_write(&current->mm->mmap_sem);
 
         buf_priv->currently_mapped = I810_BUF_UNMAPPED;
         buf_priv->virtual = NULL;
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index dfa55e7478f..ae8a64f9f84 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -64,7 +64,7 @@ MODULE_PARM_DESC(semaphores,
                 "Use semaphores for inter-ring sync (default: -1 (use per-chip defaults))");
 
 int i915_enable_rc6 __read_mostly = -1;
-module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600);
+module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0400);
 MODULE_PARM_DESC(i915_enable_rc6,
                 "Enable power-saving render C-state 6. "
                 "Different stages can be selected via bitmask values "
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 4c65c639f77..0d1e4b7b4b9 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1087,11 +1087,9 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
         if (obj == NULL)
                 return -ENOENT;
 
-        down_write(&current->mm->mmap_sem);
-        addr = do_mmap(obj->filp, 0, args->size,
+        addr = vm_mmap(obj->filp, 0, args->size,
                        PROT_READ | PROT_WRITE, MAP_SHARED,
                        args->offset);
-        up_write(&current->mm->mmap_sem);
         drm_gem_object_unreference_unlocked(obj);
         if (IS_ERR((void *)addr))
                 return addr;
@@ -1493,6 +1491,7 @@ i915_gem_object_move_off_active(struct drm_i915_gem_object *obj)
 {
         list_del_init(&obj->ring_list);
         obj->last_rendering_seqno = 0;
+        obj->last_fenced_seqno = 0;
 }
 
 static void
@@ -1521,6 +1520,7 @@ i915_gem_object_move_to_inactive(struct drm_i915_gem_object *obj)
         BUG_ON(!list_empty(&obj->gpu_write_list));
         BUG_ON(!obj->active);
         obj->ring = NULL;
+        obj->last_fenced_ring = NULL;
 
         i915_gem_object_move_off_active(obj);
         obj->fenced_gpu_access = false;
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index f51a696486c..de431942ded 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -1133,6 +1133,11 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
                         return -EINVAL;
                 }
 
+                if (args->num_cliprects > UINT_MAX / sizeof(*cliprects)) {
+                        DRM_DEBUG("execbuf with %u cliprects\n",
+                                  args->num_cliprects);
+                        return -EINVAL;
+                }
                 cliprects = kmalloc(args->num_cliprects * sizeof(*cliprects),
                                     GFP_KERNEL);
                 if (cliprects == NULL) {
@@ -1404,7 +1409,8 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data,
         struct drm_i915_gem_exec_object2 *exec2_list = NULL;
         int ret;
 
-        if (args->buffer_count < 1) {
+        if (args->buffer_count < 1 ||
+            args->buffer_count > UINT_MAX / sizeof(*exec2_list)) {
                 DRM_DEBUG("execbuf2 with %d buffers\n", args->buffer_count);
                 return -EINVAL;
         }
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 2abf4eb9403..9d24d65f0c3 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -568,6 +568,7 @@
 #define   CM0_MASK_SHIFT          16
 #define   CM0_IZ_OPT_DISABLE      (1<<6)
 #define   CM0_ZR_OPT_DISABLE      (1<<5)
+#define   CM0_STC_EVICT_DISABLE_LRA_SNB (1<<5)
 #define   CM0_DEPTH_EVICT_DISABLE (1<<4)
 #define   CM0_COLOR_EVICT_DISABLE (1<<3)
 #define   CM0_DEPTH_WRITE_DISABLE (1<<1)
@@ -3728,6 +3729,9 @@
 #define  GT_FIFO_FREE_ENTRIES                   0x120008
 #define    GT_FIFO_NUM_RESERVED_ENTRIES         20
 
+#define GEN6_UCGCTL1                            0x9400
+# define GEN6_BLBUNIT_CLOCK_GATE_DISABLE                (1 << 5)
+
 #define GEN6_UCGCTL2                            0x9404
 # define GEN6_RCZUNIT_CLOCK_GATE_DISABLE                (1 << 13)
 # define GEN6_RCPBUNIT_CLOCK_GATE_DISABLE               (1 << 12)
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 4d3d736a4f5..90b9793fd5d 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -430,8 +430,8 @@ intel_crt_detect(struct drm_connector *connector, bool force)
 {
         struct drm_device *dev = connector->dev;
         struct intel_crt *crt = intel_attached_crt(connector);
-        struct drm_crtc *crtc;
         enum drm_connector_status status;
+        struct intel_load_detect_pipe tmp;
 
         if (I915_HAS_HOTPLUG(dev)) {
                 if (intel_crt_detect_hotplug(connector)) {
@@ -450,23 +450,16 @@ intel_crt_detect(struct drm_connector *connector, bool force)
                 return connector->status;
 
         /* for pre-945g platforms use load detect */
-        crtc = crt->base.base.crtc;
-        if (crtc && crtc->enabled) {
-                status = intel_crt_load_detect(crt);
-        } else {
-                struct intel_load_detect_pipe tmp;
-
-                if (intel_get_load_detect_pipe(&crt->base, connector, NULL,
-                                               &tmp)) {
-                        if (intel_crt_detect_ddc(connector))
-                                status = connector_status_connected;
-                        else
-                                status = intel_crt_load_detect(crt);
-                        intel_release_load_detect_pipe(&crt->base, connector,
-                                                       &tmp);
-                } else
-                        status = connector_status_unknown;
-        }
+        if (intel_get_load_detect_pipe(&crt->base, connector, NULL,
+                                       &tmp)) {
+                if (intel_crt_detect_ddc(connector))
+                        status = connector_status_connected;
+                else
+                        status = intel_crt_load_detect(crt);
+                intel_release_load_detect_pipe(&crt->base, connector,
+                                               &tmp);
+        } else
+                status = connector_status_unknown;
 
         return status;
 }
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 91b35fd1db8..5908cd56340 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2245,6 +2245,33 @@ intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb,
 }
 
 static int
+intel_finish_fb(struct drm_framebuffer *old_fb)
+{
+        struct drm_i915_gem_object *obj = to_intel_framebuffer(old_fb)->obj;
+        struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
+        bool was_interruptible = dev_priv->mm.interruptible;
+        int ret;
+
+        wait_event(dev_priv->pending_flip_queue,
+                   atomic_read(&dev_priv->mm.wedged) ||
+                   atomic_read(&obj->pending_flip) == 0);
+
+        /* Big Hammer, we also need to ensure that any pending
+         * MI_WAIT_FOR_EVENT inside a user batch buffer on the
+         * current scanout is retired before unpinning the old
+         * framebuffer.
+         *
+         * This should only fail upon a hung GPU, in which case we
+         * can safely continue.
+         */
+        dev_priv->mm.interruptible = false;
+        ret = i915_gem_object_finish_gpu(obj);
+        dev_priv->mm.interruptible = was_interruptible;
+
+        return ret;
+}
+
+static int
 intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
                     struct drm_framebuffer *old_fb)
 {
@@ -2282,25 +2309,8 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
                 return ret;
         }
 
-        if (old_fb) {
-                struct drm_i915_private *dev_priv = dev->dev_private;
-                struct drm_i915_gem_object *obj = to_intel_framebuffer(old_fb)->obj;
-
-                wait_event(dev_priv->pending_flip_queue,
-                           atomic_read(&dev_priv->mm.wedged) ||
-                           atomic_read(&obj->pending_flip) == 0);
-
-                /* Big Hammer, we also need to ensure that any pending
-                 * MI_WAIT_FOR_EVENT inside a user batch buffer on the
-                 * current scanout is retired before unpinning the old
-                 * framebuffer.
-                 *
-                 * This should only fail upon a hung GPU, in which case we
-                 * can safely continue.
-                 */
-                ret = i915_gem_object_finish_gpu(obj);
-                (void) ret;
-        }
+        if (old_fb)
+                intel_finish_fb(old_fb);
 
         ret = intel_pipe_set_base_atomic(crtc, crtc->fb, x, y,
                                          LEAVE_ATOMIC_MODE_SET);
@@ -3371,6 +3381,23 @@ static void intel_crtc_disable(struct drm_crtc *crtc)
         struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
         struct drm_device *dev = crtc->dev;
 
+        /* Flush any pending WAITs before we disable the pipe. Note that
+         * we need to drop the struct_mutex in order to acquire it again
+         * during the lowlevel dpms routines around a couple of the
+         * operations. It does not look trivial nor desirable to move
+         * that locking higher. So instead we leave a window for the
+         * submission of further commands on the fb before we can actually
+         * disable it. This race with userspace exists anyway, and we can
+         * only rely on the pipe being disabled by userspace after it
+         * receives the hotplug notification and has flushed any pending
+         * batches.
+         */
+        if (crtc->fb) {
+                mutex_lock(&dev->struct_mutex);
+                intel_finish_fb(crtc->fb);
+                mutex_unlock(&dev->struct_mutex);
+        }
+
         crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
         assert_plane_disabled(dev->dev_private, to_intel_crtc(crtc)->plane);
         assert_pipe_disabled(dev->dev_private, to_intel_crtc(crtc)->pipe);
@@ -3451,8 +3478,11 @@ static bool intel_crtc_mode_fixup(struct drm_crtc *crtc,
                         return false;
         }
 
-        /* All interlaced capable intel hw wants timings in frames. */
-        drm_mode_set_crtcinfo(adjusted_mode, 0);
+        /* All interlaced capable intel hw wants timings in frames. Note though
+         * that intel_lvds_mode_fixup does some funny tricks with the crtc
+         * timings, so we need to be careful not to clobber these.*/
+        if (!(adjusted_mode->private_flags & INTEL_MODE_CRTC_TIMINGS_SET))
+                drm_mode_set_crtcinfo(adjusted_mode, 0);
 
         return true;
 }
@@ -7438,7 +7468,13 @@ static int intel_gen6_queue_flip(struct drm_device *dev,
         OUT_RING(fb->pitches[0] | obj->tiling_mode);
         OUT_RING(obj->gtt_offset);
 
-        pf = I915_READ(PF_CTL(intel_crtc->pipe)) & PF_ENABLE;
+        /* Contrary to the suggestions in the documentation,
+         * "Enable Panel Fitter" does not seem to be required when page
+         * flipping with a non-native mode, and worse causes a normal
+         * modeset to fail.
+         * pf = I915_READ(PF_CTL(intel_crtc->pipe)) & PF_ENABLE;
+         */
+        pf = 0;
         pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff;
         OUT_RING(pf | pipesrc);
         ADVANCE_LP_RING();
@@ -8529,6 +8565,10 @@ static void gen6_init_clock_gating(struct drm_device *dev)
         I915_WRITE(WM2_LP_ILK, 0);
         I915_WRITE(WM1_LP_ILK, 0);
 
+        I915_WRITE(GEN6_UCGCTL1,
+                   I915_READ(GEN6_UCGCTL1) |
+                   GEN6_BLBUNIT_CLOCK_GATE_DISABLE);
+
         /* According to the BSpec vol1g, bit 12 (RCPBUNIT) clock
          * gating disable must be set.  Failure to set it results in
          * flickering pixels due to Z write ordering failures after
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 110552ff302..4b637919f74 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -219,14 +219,38 @@ intel_dp_max_data_rate(int max_link_clock, int max_lanes)
         return (max_link_clock * max_lanes * 8) / 10;
 }
 
+static bool
+intel_dp_adjust_dithering(struct intel_dp *intel_dp,
+                          struct drm_display_mode *mode,
+                          struct drm_display_mode *adjusted_mode)
+{
+        int max_link_clock = intel_dp_link_clock(intel_dp_max_link_bw(intel_dp));
+        int max_lanes = intel_dp_max_lane_count(intel_dp);
+        int max_rate, mode_rate;
+
+        mode_rate = intel_dp_link_required(mode->clock, 24);
+        max_rate = intel_dp_max_data_rate(max_link_clock, max_lanes);
+
+        if (mode_rate > max_rate) {
+                mode_rate = intel_dp_link_required(mode->clock, 18);
+                if (mode_rate > max_rate)
+                        return false;
+
+                if (adjusted_mode)
+                        adjusted_mode->private_flags
+                                |= INTEL_MODE_DP_FORCE_6BPC;
+
+                return true;
+        }
+
+        return true;
+}
+
 static int
 intel_dp_mode_valid(struct drm_connector *connector,
                     struct drm_display_mode *mode)
 {
         struct intel_dp *intel_dp = intel_attached_dp(connector);
-        int max_link_clock = intel_dp_link_clock(intel_dp_max_link_bw(intel_dp));
-        int max_lanes = intel_dp_max_lane_count(intel_dp);
-        int max_rate, mode_rate;
 
         if (is_edp(intel_dp) && intel_dp->panel_fixed_mode) {
                 if (mode->hdisplay > intel_dp->panel_fixed_mode->hdisplay)
@@ -236,16 +260,8 @@ intel_dp_mode_valid(struct drm_connector *connector,
                         return MODE_PANEL;
         }
 
-        mode_rate = intel_dp_link_required(mode->clock, 24);
-        max_rate = intel_dp_max_data_rate(max_link_clock, max_lanes);
-
-        if (mode_rate > max_rate) {
-                        mode_rate = intel_dp_link_required(mode->clock, 18);
-                        if (mode_rate > max_rate)
-                                return MODE_CLOCK_HIGH;
-                        else
-                                mode->private_flags |= INTEL_MODE_DP_FORCE_6BPC;
-        }
+        if (!intel_dp_adjust_dithering(intel_dp, mode, NULL))
+                return MODE_CLOCK_HIGH;
 
         if (mode->clock < 10000)
                 return MODE_CLOCK_LOW;
@@ -672,7 +688,7 @@ intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
         int lane_count, clock;
         int max_lane_count = intel_dp_max_lane_count(intel_dp);
         int max_clock = intel_dp_max_link_bw(intel_dp) == DP_LINK_BW_2_7 ? 1 : 0;
-        int bpp = mode->private_flags & INTEL_MODE_DP_FORCE_6BPC ? 18 : 24;
+        int bpp;
         static int bws[2] = { DP_LINK_BW_1_62, DP_LINK_BW_2_7 };
 
         if (is_edp(intel_dp) && intel_dp->panel_fixed_mode) {
@@ -686,6 +702,11 @@ intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
                 mode->clock = intel_dp->panel_fixed_mode->clock;
         }
 
+        if (!intel_dp_adjust_dithering(intel_dp, mode, adjusted_mode))
+                return false;
+
+        bpp = adjusted_mode->private_flags & INTEL_MODE_DP_FORCE_6BPC ? 18 : 24;
+
         for (lane_count = 1; lane_count <= max_lane_count; lane_count <<= 1) {
                 for (clock = 0; clock <= max_clock; clock++) {
                         int link_avail = intel_dp_max_data_rate(intel_dp_link_clock(bws[clock]), lane_count);
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 5a14149b379..715afa15302 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -105,6 +105,10 @@
 #define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
 #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
 #define INTEL_MODE_DP_FORCE_6BPC (0x10)
+/* This flag must be set by the encoder's mode_fixup if it changes the crtc
+ * timings in the mode to prevent the crtc fixup from overwriting them.
+ * Currently only lvds needs that. */
+#define INTEL_MODE_CRTC_TIMINGS_SET (0x20)
 
 static inline void
 intel_mode_set_pixel_multiplier(struct drm_display_mode *mode,
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index 19ecd78b8a2..6e9ee33fd41 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -279,6 +279,8 @@ void intel_fb_restore_mode(struct drm_device *dev)
         struct drm_mode_config *config = &dev->mode_config;
         struct drm_plane *plane;
 
+        mutex_lock(&dev->mode_config.mutex);
+
         ret = drm_fb_helper_restore_fbdev_mode(&dev_priv->fbdev->helper);
         if (ret)
                 DRM_DEBUG("failed to restore crtc mode\n");
@@ -286,4 +288,6 @@ void intel_fb_restore_mode(struct drm_device *dev)
         /* Be sure to shut off any planes that may be active */
         list_for_each_entry(plane, &config->plane_list, head)
                 plane->funcs->disable_plane(plane);
+
+        mutex_unlock(&dev->mode_config.mutex);
 }
diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c
index 601c86e664a..8fdc9570021 100644
--- a/drivers/gpu/drm/i915/intel_i2c.c
+++ b/drivers/gpu/drm/i915/intel_i2c.c
@@ -390,7 +390,7 @@ int intel_setup_gmbus(struct drm_device *dev)
                 bus->has_gpio = intel_gpio_setup(bus, i);
 
                 /* XXX force bit banging until GMBUS is fully debugged */
-                if (bus->has_gpio && IS_GEN2(dev))
+                if (bus->has_gpio)
                         bus->force_bit = true;
         }
 
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 95db2e98822..30e2c82101d 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -187,6 +187,8 @@ centre_horizontally(struct drm_display_mode *mode,
 
         mode->crtc_hsync_start = mode->crtc_hblank_start + sync_pos;
         mode->crtc_hsync_end = mode->crtc_hsync_start + sync_width;
+
+        mode->private_flags |= INTEL_MODE_CRTC_TIMINGS_SET;
 }
 
 static void
@@ -208,6 +210,8 @@ centre_vertically(struct drm_display_mode *mode,
 
         mode->crtc_vsync_start = mode->crtc_vblank_start + sync_pos;
         mode->crtc_vsync_end = mode->crtc_vsync_start + sync_width;
+
+        mode->private_flags |= INTEL_MODE_CRTC_TIMINGS_SET;
 }
 
 static inline u32 panel_fitter_scaling(u32 source, u32 target)
@@ -283,6 +287,8 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
         for_each_pipe(pipe)
                 I915_WRITE(BCLRPAT(pipe), 0);
 
+        drm_mode_set_crtcinfo(adjusted_mode, 0);
+
         switch (intel_lvds->fitting_mode) {
         case DRM_MODE_SCALE_CENTER:
                 /*
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 230a141dbea..48177ec4720 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -47,8 +47,6 @@ intel_fixed_panel_mode(struct drm_display_mode *fixed_mode,
         adjusted_mode->vtotal = fixed_mode->vtotal;
 
         adjusted_mode->clock = fixed_mode->clock;
-
-        drm_mode_set_crtcinfo(adjusted_mode, 0);
 }
 
 /* adjusted_mode has been preset to be the panel's fixed mode */
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index e25581a9f60..80fce51e2f4 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -401,6 +401,14 @@ static int init_render_ring(struct intel_ring_buffer *ring)
         if (INTEL_INFO(dev)->gen >= 6) {
                 I915_WRITE(INSTPM,
                            INSTPM_FORCE_ORDERING << 16 | INSTPM_FORCE_ORDERING);
+
+                /* From the Sandybridge PRM, volume 1 part 3, page 24:
+                 * "If this bit is set, STCunit will have LRA as replacement
+                 *  policy. [...] This bit must be reset.  LRA replacement
+                 *  policy is not supported."
+                 */
+                I915_WRITE(CACHE_MODE_0,
+                           CM0_STC_EVICT_DISABLE_LRA_SNB << CM0_MASK_SHIFT);
         }
 
         return ret;
@@ -1038,7 +1046,7 @@ int intel_init_ring_buffer(struct drm_device *dev,
          * of the buffer.
          */
         ring->effective_size = ring->size;
-        if (IS_I830(ring->dev))
+        if (IS_I830(ring->dev) || IS_845G(ring->dev))
                 ring->effective_size -= 128;
 
         return 0;
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index e36b171c1e7..232d77d07d8 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -731,6 +731,7 @@ static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
         uint16_t width, height;
         uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
         uint16_t h_sync_offset, v_sync_offset;
+        int mode_clock;
 
         width = mode->crtc_hdisplay;
         height = mode->crtc_vdisplay;
@@ -745,7 +746,11 @@ static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
         h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
         v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
 
-        dtd->part1.clock = mode->clock / 10;
+        mode_clock = mode->clock;
+        mode_clock /= intel_mode_get_pixel_multiplier(mode) ?: 1;
+        mode_clock /= 10;
+        dtd->part1.clock = mode_clock;
+
         dtd->part1.h_active = width & 0xff;
         dtd->part1.h_blank = h_blank_len & 0xff;
         dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
@@ -996,7 +1001,7 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
         u32 sdvox;
         struct intel_sdvo_in_out_map in_out;
-        struct intel_sdvo_dtd input_dtd;
+        struct intel_sdvo_dtd input_dtd, output_dtd;
         int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
         int rate;
 
@@ -1021,20 +1026,13 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
                                           intel_sdvo->attached_output))
                 return;
 
-        /* We have tried to get input timing in mode_fixup, and filled into
-         * adjusted_mode.
-         */
-        if (intel_sdvo->is_tv || intel_sdvo->is_lvds) {
-                input_dtd = intel_sdvo->input_dtd;
-        } else {
-                /* Set the output timing to the screen */
-                if (!intel_sdvo_set_target_output(intel_sdvo,
-                                                  intel_sdvo->attached_output))
-                        return;
-
-                intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
-                (void) intel_sdvo_set_output_timing(intel_sdvo, &input_dtd);
-        }
+        /* lvds has a special fixed output timing. */
+        if (intel_sdvo->is_lvds)
+                intel_sdvo_get_dtd_from_mode(&output_dtd,
+                                             intel_sdvo->sdvo_lvds_fixed_mode);
+        else
+                intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
+        (void) intel_sdvo_set_output_timing(intel_sdvo, &output_dtd);
 
         /* Set the input timing to the screen. Assume always input 0. */
         if (!intel_sdvo_set_target_input(intel_sdvo))
@@ -1052,6 +1050,10 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
             !intel_sdvo_set_tv_format(intel_sdvo))
                 return;
 
+        /* We have tried to get input timing in mode_fixup, and filled into
+         * adjusted_mode.
+         */
+        intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
         (void) intel_sdvo_set_input_timing(intel_sdvo, &input_dtd);
 
         switch (pixel_multiplier) {
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index a464771a724..e90dfb625c4 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -95,7 +95,6 @@ ivb_update_plane(struct drm_plane *plane, struct drm_framebuffer *fb,
         /* must disable */
         sprctl |= SPRITE_TRICKLE_FEED_DISABLE;
         sprctl |= SPRITE_ENABLE;
-        sprctl |= SPRITE_DEST_KEY;
 
         /* Sizes are 0 based */
         src_w--;
diff --git a/drivers/gpu/drm/nouveau/nouveau_pm.c b/drivers/gpu/drm/nouveau/nouveau_pm.c
index 34d591b7d4e..da3e7c3abab 100644
--- a/drivers/gpu/drm/nouveau/nouveau_pm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_pm.c
@@ -235,6 +235,7 @@ nouveau_pm_profile_set(struct drm_device *dev, const char *profile)
                 return -EPERM;
 
         strncpy(string, profile, sizeof(string));
+        string[sizeof(string) - 1] = 0;
         if ((ptr = strchr(string, '\n')))
                 *ptr = '\0';
 
diff --git a/drivers/gpu/drm/nouveau/nv50_sor.c b/drivers/gpu/drm/nouveau/nv50_sor.c
index a7844ab6a50..27464021247 100644
--- a/drivers/gpu/drm/nouveau/nv50_sor.c
+++ b/drivers/gpu/drm/nouveau/nv50_sor.c
@@ -42,7 +42,7 @@ nv50_sor_dp_lane_map(struct drm_device *dev, struct dcb_entry *dcb, u8 lane)
         struct drm_nouveau_private *dev_priv = dev->dev_private;
         static const u8 nvaf[] = { 24, 16, 8, 0 }; /* thanks, apple.. */
         static const u8 nv50[] = { 16, 8, 0, 24 };
-        if (dev_priv->card_type == 0xaf)
+        if (dev_priv->chipset == 0xaf)
                 return nvaf[lane];
         return nv50[lane];
 }
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index b5ff1f7b6f7..af1054f8202 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -575,6 +575,9 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
 
                 if (rdev->family < CHIP_RV770)
                         pll->flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP;
+                /* use frac fb div on APUs */
+                if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev))
+                        pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV;
         } else {
                 pll->flags |= RADEON_PLL_LEGACY;
 
@@ -955,8 +958,8 @@ static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode
                 break;
         }
 
-        if (radeon_encoder->active_device &
-            (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) {
+        if ((radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) ||
+            (radeon_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE)) {
                 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
                 struct drm_connector *connector =
                         radeon_get_connector_for_encoder(encoder);
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index e607c4d7dd9..2d39f9977e0 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -230,6 +230,10 @@ atombios_dvo_setup(struct drm_encoder *encoder, int action)
         if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
                 return;
 
+        /* some R4xx chips have the wrong frev */
+        if (rdev->family <= CHIP_RV410)
+                frev = 1;
+
         switch (frev) {
         case 1:
                 switch (crev) {
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 81801c176aa..fe33d35dae8 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -2553,7 +2553,7 @@ static void r100_pll_errata_after_data(struct radeon_device *rdev)
          * or the chip could hang on a subsequent access
          */
         if (rdev->pll_errata & CHIP_ERRATA_PLL_DELAY) {
-                udelay(5000);
+                mdelay(5);
         }
 
         /* This function is required to workaround a hardware bug in some (all?)
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 391bd2636a8..c8187c4b6ae 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1135,7 +1135,7 @@ static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc
         }
         if (rdev->flags & RADEON_IS_AGP) {
                 size_bf = mc->gtt_start;
-                size_af = 0xFFFFFFFF - mc->gtt_end + 1;
+                size_af = 0xFFFFFFFF - mc->gtt_end;
                 if (size_bf > size_af) {
                         if (mc->mc_vram_size > size_bf) {
                                 dev_warn(rdev->dev, "limiting VRAM\n");
@@ -1149,7 +1149,7 @@ static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc
                                 mc->real_vram_size = size_af;
                                 mc->mc_vram_size = size_af;
                         }
-                        mc->vram_start = mc->gtt_end;
+                        mc->vram_start = mc->gtt_end + 1;
                 }
                 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
                 dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
@@ -2839,7 +2839,7 @@ void r600_rlc_stop(struct radeon_device *rdev)
                 /* r7xx asics need to soft reset RLC before halting */
                 WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC);
                 RREG32(SRBM_SOFT_RESET);
-                udelay(15000);
+                mdelay(15);
                 WREG32(SRBM_SOFT_RESET, 0);
                 RREG32(SRBM_SOFT_RESET);
         }
diff --git a/drivers/gpu/drm/radeon/r600_cp.c b/drivers/gpu/drm/radeon/r600_cp.c
index 84c54625095..75ed17c9611 100644
--- a/drivers/gpu/drm/radeon/r600_cp.c
+++ b/drivers/gpu/drm/radeon/r600_cp.c
@@ -407,7 +407,7 @@ static void r600_cp_load_microcode(drm_radeon_private_t *dev_priv)
 
         RADEON_WRITE(R600_GRBM_SOFT_RESET, R600_SOFT_RESET_CP);
         RADEON_READ(R600_GRBM_SOFT_RESET);
-        DRM_UDELAY(15000);
+        mdelay(15);
         RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
 
         fw_data = (const __be32 *)dev_priv->me_fw->data;
@@ -500,7 +500,7 @@ static void r700_cp_load_microcode(drm_radeon_private_t *dev_priv)
 
         RADEON_WRITE(R600_GRBM_SOFT_RESET, R600_SOFT_RESET_CP);
         RADEON_READ(R600_GRBM_SOFT_RESET);
-        DRM_UDELAY(15000);
+        mdelay(15);
         RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
 
         fw_data = (const __be32 *)dev_priv->pfp_fw->data;
@@ -1797,7 +1797,7 @@ static void r600_cp_init_ring_buffer(struct drm_device *dev,
 
         RADEON_WRITE(R600_GRBM_SOFT_RESET, R600_SOFT_RESET_CP);
         RADEON_READ(R600_GRBM_SOFT_RESET);
-        DRM_UDELAY(15000);
+        mdelay(15);
         RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
 
 
diff --git a/drivers/gpu/drm/radeon/radeon_clocks.c b/drivers/gpu/drm/radeon/radeon_clocks.c
index 6ae0c75f016..9c6b29a4192 100644
--- a/drivers/gpu/drm/radeon/radeon_clocks.c
+++ b/drivers/gpu/drm/radeon/radeon_clocks.c
@@ -633,7 +633,7 @@ void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable)
                                 tmp &= ~(R300_SCLK_FORCE_VAP);
                                 tmp |= RADEON_SCLK_FORCE_CP;
                                 WREG32_PLL(RADEON_SCLK_CNTL, tmp);
-                                udelay(15000);
+                                mdelay(15);
 
                                 tmp = RREG32_PLL(R300_SCLK_CNTL2);
                                 tmp &= ~(R300_SCLK_FORCE_TCL |
@@ -651,12 +651,12 @@ void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable)
                         tmp |= (RADEON_ENGIN_DYNCLK_MODE |
                                 (0x01 << RADEON_ACTIVE_HILO_LAT_SHIFT));
                         WREG32_PLL(RADEON_CLK_PWRMGT_CNTL, tmp);
-                        udelay(15000);
+                        mdelay(15);
 
                         tmp = RREG32_PLL(RADEON_CLK_PIN_CNTL);
                         tmp |= RADEON_SCLK_DYN_START_CNTL;
                         WREG32_PLL(RADEON_CLK_PIN_CNTL, tmp);
-                        udelay(15000);
+                        mdelay(15);
 
                         /* When DRI is enabled, setting DYN_STOP_LAT to zero can cause some R200
                            to lockup randomly, leave them as set by BIOS.
@@ -696,7 +696,7 @@ void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable)
                                         tmp |= RADEON_SCLK_MORE_FORCEON;
                                 }
                                 WREG32_PLL(RADEON_SCLK_MORE_CNTL, tmp);
-                                udelay(15000);
+                                mdelay(15);
                         }
 
                         /* RV200::A11 A12, RV250::A11 A12 */
@@ -709,7 +709,7 @@ void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable)
                                 tmp |= RADEON_TCL_BYPASS_DISABLE;
                                 WREG32_PLL(RADEON_PLL_PWRMGT_CNTL, tmp);
                         }
-                        udelay(15000);
+                        mdelay(15);
 
                         /*enable dynamic mode for display clocks (PIXCLK and PIX2CLK) */
                         tmp = RREG32_PLL(RADEON_PIXCLKS_CNTL);
@@ -722,14 +722,14 @@ void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable)
                                 RADEON_PIXCLK_TMDS_ALWAYS_ONb);
 
                         WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp);
-                        udelay(15000);
+                        mdelay(15);
 
                         tmp = RREG32_PLL(RADEON_VCLK_ECP_CNTL);
                         tmp |= (RADEON_PIXCLK_ALWAYS_ONb |
                                 RADEON_PIXCLK_DAC_ALWAYS_ONb);
 
                         WREG32_PLL(RADEON_VCLK_ECP_CNTL, tmp);
-                        udelay(15000);
+                        mdelay(15);
                 }
         } else {
                 /* Turn everything OFF (ForceON to everything) */
@@ -861,7 +861,7 @@ void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable)
                         }
                         WREG32_PLL(RADEON_SCLK_CNTL, tmp);
 
-                        udelay(16000);
+                        mdelay(16);
 
                         if ((rdev->family == CHIP_R300) ||
                             (rdev->family == CHIP_R350)) {
@@ -870,7 +870,7 @@ void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable)
                                         R300_SCLK_FORCE_GA |
                                         R300_SCLK_FORCE_CBA);
                                 WREG32_PLL(R300_SCLK_CNTL2, tmp);
-                                udelay(16000);
+                                mdelay(16);
                         }
 
                         if (rdev->flags & RADEON_IS_IGP) {
@@ -878,7 +878,7 @@ void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable)
                                 tmp &= ~(RADEON_FORCEON_MCLKA |
                                          RADEON_FORCEON_YCLKA);
                                 WREG32_PLL(RADEON_MCLK_CNTL, tmp);
-                                udelay(16000);
+                                mdelay(16);
                         }
 
                         if ((rdev->family == CHIP_RV200) ||
@@ -887,7 +887,7 @@ void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable)
                                 tmp = RREG32_PLL(RADEON_SCLK_MORE_CNTL);
                                 tmp |= RADEON_SCLK_MORE_FORCEON;
                                 WREG32_PLL(RADEON_SCLK_MORE_CNTL, tmp);
-                                udelay(16000);
+                                mdelay(16);
                         }
 
                         tmp = RREG32_PLL(RADEON_PIXCLKS_CNTL);
@@ -900,7 +900,7 @@ void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable)
                                  RADEON_PIXCLK_TMDS_ALWAYS_ONb);
 
                         WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp);
-                        udelay(16000);
+                        mdelay(16);
 
                         tmp = RREG32_PLL(RADEON_VCLK_ECP_CNTL);
                         tmp &= ~(RADEON_PIXCLK_ALWAYS_ONb |
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 81fc100be7e..2cad9fde92f 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -2845,7 +2845,7 @@ bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
                                         case 4:
                                                 val = RBIOS16(index);
                                                 index += 2;
-                                                udelay(val * 1000);
+                                                mdelay(val);
                                                 break;
                                         case 6:
                                                 slave_addr = id & 0xff;
@@ -3044,7 +3044,7 @@ static void combios_parse_pll_table(struct drm_device *dev, uint16_t offset)
                                         udelay(150);
                                         break;
                                 case 2:
-                                        udelay(1000);
+                                        mdelay(1);
                                         break;
                                 case 3:
                                         while (tmp--) {
@@ -3075,13 +3075,13 @@ static void combios_parse_pll_table(struct drm_device *dev, uint16_t offset)
                                                 /*mclk_cntl |= 0x00001111;*//* ??? */
                                                 WREG32_PLL(RADEON_MCLK_CNTL,
                                                            mclk_cntl);
-                                                udelay(10000);
+                                                mdelay(10);
 #endif
                                                 WREG32_PLL
                                                     (RADEON_CLK_PWRMGT_CNTL,
                                                      tmp &
                                                      ~RADEON_CG_NO1_DEBUG_0);
-                                                udelay(10000);
+                                                mdelay(10);
                                         }
                                         break;
                                 default:
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index bd05156edbd..3c2e7a000a2 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -970,7 +970,7 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)
 
                         encoder = obj_to_encoder(obj);
 
-                        if (encoder->encoder_type != DRM_MODE_ENCODER_DAC ||
+                        if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
                             encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
                                 continue;
 
@@ -1000,6 +1000,7 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)
          * cases the DVI port is actually a virtual KVM port connected to the service
          * processor.
          */
+out:
         if ((!rdev->is_atom_bios) &&
             (ret == connector_status_disconnected) &&
             rdev->mode_info.bios_hardcoded_edid_size) {
@@ -1007,7 +1008,6 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)
                 ret = connector_status_connected;
         }
 
-out:
         /* updated in get modes as well since we need to know if it's analog or digital */
         radeon_connector_update_scratch_regs(connector, ret);
         return ret;
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 8086c96e0b0..0a1d4bd65ed 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -533,7 +533,7 @@ static void radeon_crtc_init(struct drm_device *dev, int index)
                 radeon_legacy_init_crtc(dev, radeon_crtc);
 }
 
-static const char *encoder_names[36] = {
+static const char *encoder_names[37] = {
         "NONE",
         "INTERNAL_LVDS",
         "INTERNAL_TMDS1",
@@ -570,6 +570,7 @@ static const char *encoder_names[36] = {
         "INTERNAL_UNIPHY2",
         "NUTMEG",
         "TRAVIS",
+        "INTERNAL_VCE"
 };
 
 static const char *connector_names[15] = {
diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c b/drivers/gpu/drm/radeon/radeon_i2c.c
index 85bcfc8923a..3edec1c198e 100644
--- a/drivers/gpu/drm/radeon/radeon_i2c.c
+++ b/drivers/gpu/drm/radeon/radeon_i2c.c
@@ -900,6 +900,10 @@ struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
         struct radeon_i2c_chan *i2c;
         int ret;
 
+        /* don't add the mm_i2c bus unless hw_i2c is enabled */
+        if (rec->mm_i2c && (radeon_hw_i2c == 0))
+                return NULL;
+
         i2c = kzalloc(sizeof(struct radeon_i2c_chan), GFP_KERNEL);
         if (i2c == NULL)
                 return NULL;
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index 66d5fe1c817..65060b77c80 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -147,6 +147,12 @@ static bool radeon_msi_ok(struct radeon_device *rdev)
             (rdev->pdev->subsystem_device == 0x01fd))
                 return true;
 
+        /* RV515 seems to have MSI issues where it loses
+         * MSI rearms occasionally. This leads to lockups and freezes.
+         * disable it by default.
+         */
+        if (rdev->family == CHIP_RV515)
+                return false;
         if (rdev->flags & RADEON_IS_IGP) {
                 /* APUs work fine with MSIs */
                 if (rdev->family >= CHIP_PALM)
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index 2f46e0c8df5..42db254f6bb 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -88,7 +88,7 @@ static void radeon_legacy_lvds_update(struct drm_encoder *encoder, int mode)
                 lvds_pll_cntl = RREG32(RADEON_LVDS_PLL_CNTL);
                 lvds_pll_cntl |= RADEON_LVDS_PLL_EN;
                 WREG32(RADEON_LVDS_PLL_CNTL, lvds_pll_cntl);
-                udelay(1000);
+                mdelay(1);
 
                 lvds_pll_cntl = RREG32(RADEON_LVDS_PLL_CNTL);
                 lvds_pll_cntl &= ~RADEON_LVDS_PLL_RESET;
@@ -101,7 +101,7 @@ static void radeon_legacy_lvds_update(struct drm_encoder *encoder, int mode)
                                   (backlight_level << RADEON_LVDS_BL_MOD_LEVEL_SHIFT));
                 if (is_mac)
                         lvds_gen_cntl |= RADEON_LVDS_BL_MOD_EN;
-                udelay(panel_pwr_delay * 1000);
+                mdelay(panel_pwr_delay);
                 WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
                 break;
         case DRM_MODE_DPMS_STANDBY:
@@ -118,10 +118,10 @@ static void radeon_legacy_lvds_update(struct drm_encoder *encoder, int mode)
                         WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
                         lvds_gen_cntl &= ~(RADEON_LVDS_ON | RADEON_LVDS_BLON | RADEON_LVDS_EN | RADEON_LVDS_DIGON);
                 }
-                udelay(panel_pwr_delay * 1000);
+                mdelay(panel_pwr_delay);
                 WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
                 WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl);
-                udelay(panel_pwr_delay * 1000);
+                mdelay(panel_pwr_delay);
                 break;
         }
 
@@ -656,7 +656,7 @@ static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_enc
 
         WREG32(RADEON_DAC_MACRO_CNTL, tmp);
 
-        udelay(2000);
+        mdelay(2);
 
         if (RREG32(RADEON_DAC_CNTL) & RADEON_DAC_CMP_OUTPUT)
                 found = connector_status_connected;
@@ -1499,7 +1499,7 @@ static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder
         tmp = dac_cntl2 | RADEON_DAC2_DAC2_CLK_SEL | RADEON_DAC2_CMP_EN;
         WREG32(RADEON_DAC_CNTL2, tmp);
 
-        udelay(10000);
+        mdelay(10);
 
         if (ASIC_IS_R300(rdev)) {
                 if (RREG32(RADEON_DAC_CNTL2) & RADEON_DAC2_CMP_OUT_B)
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index c62ae4be384..cdab1aeaed6 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -969,7 +969,7 @@ void r700_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
         }
         if (rdev->flags & RADEON_IS_AGP) {
                 size_bf = mc->gtt_start;
-                size_af = 0xFFFFFFFF - mc->gtt_end + 1;
+                size_af = 0xFFFFFFFF - mc->gtt_end;
                 if (size_bf > size_af) {
                         if (mc->mc_vram_size > size_bf) {
                                 dev_warn(rdev->dev, "limiting VRAM\n");
@@ -983,7 +983,7 @@ void r700_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
                                 mc->real_vram_size = size_af;
                                 mc->mc_vram_size = size_af;
                         }
-                        mc->vram_start = mc->gtt_end;
+                        mc->vram_start = mc->gtt_end + 1;
                 }
                 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
                 dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index ac7a199ffec..27bda986fc2 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -2999,8 +2999,8 @@ int si_rlc_init(struct radeon_device *rdev)
         }
         r = radeon_bo_pin(rdev->rlc.save_restore_obj, RADEON_GEM_DOMAIN_VRAM,
                           &rdev->rlc.save_restore_gpu_addr);
+        radeon_bo_unreserve(rdev->rlc.save_restore_obj);
         if (r) {
-                radeon_bo_unreserve(rdev->rlc.save_restore_obj);
                 dev_warn(rdev->dev, "(%d) pin RLC sr bo failed\n", r);
                 si_rlc_fini(rdev);
                 return r;
@@ -3023,9 +3023,8 @@ int si_rlc_init(struct radeon_device *rdev)
         }
         r = radeon_bo_pin(rdev->rlc.clear_state_obj, RADEON_GEM_DOMAIN_VRAM,
                           &rdev->rlc.clear_state_gpu_addr);
+        radeon_bo_unreserve(rdev->rlc.clear_state_obj);
         if (r) {
-
-                radeon_bo_unreserve(rdev->rlc.clear_state_obj);
                 dev_warn(rdev->dev, "(%d) pin RLC c bo failed\n", r);
                 si_rlc_fini(rdev);
                 return r;
diff --git a/drivers/gpu/drm/savage/savage_state.c b/drivers/gpu/drm/savage/savage_state.c
index 031aaaf79ac..b6d8608375c 100644
--- a/drivers/gpu/drm/savage/savage_state.c
+++ b/drivers/gpu/drm/savage/savage_state.c
@@ -988,7 +988,7 @@ int savage_bci_cmdbuf(struct drm_device *dev, void *data, struct drm_file *file_
          * for locking on FreeBSD.
          */
         if (cmdbuf->size) {
-                kcmd_addr = kmalloc(cmdbuf->size * 8, GFP_KERNEL);
+                kcmd_addr = kmalloc_array(cmdbuf->size, 8, GFP_KERNEL);
                 if (kcmd_addr == NULL)
                         return -ENOMEM;
 
@@ -1015,8 +1015,8 @@ int savage_bci_cmdbuf(struct drm_device *dev, void *data, struct drm_file *file_
                 cmdbuf->vb_addr = kvb_addr;
         }
         if (cmdbuf->nbox) {
-                kbox_addr = kmalloc(cmdbuf->nbox * sizeof(struct drm_clip_rect),
-                                    GFP_KERNEL);
+                kbox_addr = kmalloc_array(cmdbuf->nbox, sizeof(struct drm_clip_rect),
+                                          GFP_KERNEL);
                 if (kbox_addr == NULL) {
                         ret = -ENOMEM;
                         goto done;
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index a3d03325299..ffddcba32af 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -34,7 +34,7 @@ config HID
 config HID_BATTERY_STRENGTH
         bool
         depends on HID && POWER_SUPPLY && HID = POWER_SUPPLY
-        default y
+        default n
 
 config HIDRAW
         bool "/dev/hidraw raw HID device support"
diff --git a/drivers/hid/hid-tivo.c b/drivers/hid/hid-tivo.c
index de47039c708..9f85f827607 100644
--- a/drivers/hid/hid-tivo.c
+++ b/drivers/hid/hid-tivo.c
@@ -62,7 +62,7 @@ static int tivo_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 
 static const struct hid_device_id tivo_devices[] = {
         /* TiVo Slide Bluetooth remote, pairs with a Broadcom dongle */
-        { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
+        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
         { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
         { }
 };
diff --git a/drivers/hsi/clients/hsi_char.c b/drivers/hsi/clients/hsi_char.c
index 88a050df238..3ad91f6447d 100644
--- a/drivers/hsi/clients/hsi_char.c
+++ b/drivers/hsi/clients/hsi_char.c
@@ -123,7 +123,7 @@ struct hsc_client_data {
 static unsigned int hsc_major;
 /* Maximum buffer size that hsi_char will accept from userspace */
 static unsigned int max_data_size = 0x1000;
-module_param(max_data_size, uint, S_IRUSR | S_IWUSR);
+module_param(max_data_size, uint, 0);
 MODULE_PARM_DESC(max_data_size, "max read/write data size [4,8..65536] (^2)");
 
 static void hsc_add_tail(struct hsc_channel *channel, struct hsi_msg *msg,
diff --git a/drivers/hsi/hsi.c b/drivers/hsi/hsi.c
index 4e2d79b7933..2d58f939d27 100644
--- a/drivers/hsi/hsi.c
+++ b/drivers/hsi/hsi.c
@@ -21,26 +21,13 @@
  */
 #include <linux/hsi/hsi.h>
 #include <linux/compiler.h>
-#include <linux/rwsem.h>
 #include <linux/list.h>
-#include <linux/spinlock.h>
 #include <linux/kobject.h>
 #include <linux/slab.h>
 #include <linux/string.h>
+#include <linux/notifier.h>
 #include "hsi_core.h"
 
-static struct device_type hsi_ctrl = {
-        .name   = "hsi_controller",
-};
-
-static struct device_type hsi_cl = {
-        .name   = "hsi_client",
-};
-
-static struct device_type hsi_port = {
-        .name   = "hsi_port",
-};
-
 static ssize_t modalias_show(struct device *dev,
                         struct device_attribute *a __maybe_unused, char *buf)
 {
@@ -54,8 +41,7 @@ static struct device_attribute hsi_bus_dev_attrs[] = {
 
 static int hsi_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
 {
-        if (dev->type == &hsi_cl)
-                add_uevent_var(env, "MODALIAS=hsi:%s", dev_name(dev));
+        add_uevent_var(env, "MODALIAS=hsi:%s", dev_name(dev));
 
         return 0;
 }
@@ -80,12 +66,10 @@ static void hsi_client_release(struct device *dev)
 static void hsi_new_client(struct hsi_port *port, struct hsi_board_info *info)
 {
         struct hsi_client *cl;
-        unsigned long flags;
 
         cl = kzalloc(sizeof(*cl), GFP_KERNEL);
         if (!cl)
                 return;
-        cl->device.type = &hsi_cl;
         cl->tx_cfg = info->tx_cfg;
         cl->rx_cfg = info->rx_cfg;
         cl->device.bus = &hsi_bus_type;
@@ -93,14 +77,11 @@ static void hsi_new_client(struct hsi_port *port, struct hsi_board_info *info)
         cl->device.release = hsi_client_release;
         dev_set_name(&cl->device, info->name);
         cl->device.platform_data = info->platform_data;
-        spin_lock_irqsave(&port->clock, flags);
-        list_add_tail(&cl->link, &port->clients);
-        spin_unlock_irqrestore(&port->clock, flags);
         if (info->archdata)
                 cl->device.archdata = *info->archdata;
         if (device_register(&cl->device) < 0) {
                 pr_err("hsi: failed to register client: %s\n", info->name);
-                kfree(cl);
+                put_device(&cl->device);
         }
 }
 
@@ -120,13 +101,6 @@ static void hsi_scan_board_info(struct hsi_controller *hsi)
 
 static int hsi_remove_client(struct device *dev, void *data __maybe_unused)
 {
-        struct hsi_client *cl = to_hsi_client(dev);
-        struct hsi_port *port = to_hsi_port(dev->parent);
-        unsigned long flags;
-
-        spin_lock_irqsave(&port->clock, flags);
-        list_del(&cl->link);
-        spin_unlock_irqrestore(&port->clock, flags);
         device_unregister(dev);
 
         return 0;
@@ -140,12 +114,17 @@ static int hsi_remove_port(struct device *dev, void *data __maybe_unused)
         return 0;
 }
 
-static void hsi_controller_release(struct device *dev __maybe_unused)
+static void hsi_controller_release(struct device *dev)
 {
+        struct hsi_controller *hsi = to_hsi_controller(dev);
+
+        kfree(hsi->port);
+        kfree(hsi);
 }
 
-static void hsi_port_release(struct device *dev __maybe_unused)
+static void hsi_port_release(struct device *dev)
 {
+        kfree(to_hsi_port(dev));
 }
 
 /**
@@ -170,20 +149,12 @@ int hsi_register_controller(struct hsi_controller *hsi)
         unsigned int i;
         int err;
 
-        hsi->device.type = &hsi_ctrl;
-        hsi->device.bus = &hsi_bus_type;
-        hsi->device.release = hsi_controller_release;
-        err = device_register(&hsi->device);
+        err = device_add(&hsi->device);
         if (err < 0)
                 return err;
         for (i = 0; i < hsi->num_ports; i++) {
-                hsi->port[i].device.parent = &hsi->device;
-                hsi->port[i].device.bus = &hsi_bus_type;
-                hsi->port[i].device.release = hsi_port_release;
-                hsi->port[i].device.type = &hsi_port;
-                INIT_LIST_HEAD(&hsi->port[i].clients);
-                spin_lock_init(&hsi->port[i].clock);
-                err = device_register(&hsi->port[i].device);
+                hsi->port[i]->device.parent = &hsi->device;
+                err = device_add(&hsi->port[i]->device);
                 if (err < 0)
                         goto out;
         }
@@ -192,7 +163,9 @@ int hsi_register_controller(struct hsi_controller *hsi)
 
         return 0;
 out:
-        hsi_unregister_controller(hsi);
+        while (i-- > 0)
+                device_del(&hsi->port[i]->device);
+        device_del(&hsi->device);
 
         return err;
 }
@@ -223,6 +196,29 @@ static inline int hsi_dummy_cl(struct hsi_client *cl __maybe_unused)
 }
 
 /**
+ * hsi_put_controller - Free an HSI controller
+ *
+ * @hsi: Pointer to the HSI controller to freed
+ *
+ * HSI controller drivers should only use this function if they need
+ * to free their allocated hsi_controller structures before a successful
+ * call to hsi_register_controller. Other use is not allowed.
+ */
+void hsi_put_controller(struct hsi_controller *hsi)
+{
+        unsigned int i;
+
+        if (!hsi)
+                return;
+
+        for (i = 0; i < hsi->num_ports; i++)
+                if (hsi->port && hsi->port[i])
+                        put_device(&hsi->port[i]->device);
+        put_device(&hsi->device);
+}
+EXPORT_SYMBOL_GPL(hsi_put_controller);
+
+/**
  * hsi_alloc_controller - Allocate an HSI controller and its ports
  * @n_ports: Number of ports on the HSI controller
  * @flags: Kernel allocation flags
@@ -232,55 +228,52 @@ static inline int hsi_dummy_cl(struct hsi_client *cl __maybe_unused)
 struct hsi_controller *hsi_alloc_controller(unsigned int n_ports, gfp_t flags)
 {
         struct hsi_controller   *hsi;
-        struct hsi_port         *port;
+        struct hsi_port         **port;
         unsigned int            i;
 
         if (!n_ports)
                 return NULL;
 
-        port = kzalloc(sizeof(*port)*n_ports, flags);
-        if (!port)
-                return NULL;
         hsi = kzalloc(sizeof(*hsi), flags);
         if (!hsi)
-                goto out;
-        for (i = 0; i < n_ports; i++) {
-                dev_set_name(&port[i].device, "port%d", i);
-                port[i].num = i;
-                port[i].async = hsi_dummy_msg;
-                port[i].setup = hsi_dummy_cl;
-                port[i].flush = hsi_dummy_cl;
-                port[i].start_tx = hsi_dummy_cl;
-                port[i].stop_tx = hsi_dummy_cl;
-                port[i].release = hsi_dummy_cl;
-                mutex_init(&port[i].lock);
+                return NULL;
+        port = kzalloc(sizeof(*port)*n_ports, flags);
+        if (!port) {
+                kfree(hsi);
+                return NULL;
         }
         hsi->num_ports = n_ports;
         hsi->port = port;
+        hsi->device.release = hsi_controller_release;
+        device_initialize(&hsi->device);
+
+        for (i = 0; i < n_ports; i++) {
+                port[i] = kzalloc(sizeof(**port), flags);
+                if (port[i] == NULL)
+                        goto out;
+                port[i]->num = i;
+                port[i]->async = hsi_dummy_msg;
+                port[i]->setup = hsi_dummy_cl;
+                port[i]->flush = hsi_dummy_cl;
+                port[i]->start_tx = hsi_dummy_cl;
+                port[i]->stop_tx = hsi_dummy_cl;
+                port[i]->release = hsi_dummy_cl;
+                mutex_init(&port[i]->lock);
+                ATOMIC_INIT_NOTIFIER_HEAD(&port[i]->n_head);
+                dev_set_name(&port[i]->device, "port%d", i);
+                hsi->port[i]->device.release = hsi_port_release;
+                device_initialize(&hsi->port[i]->device);
+        }
 
         return hsi;
 out:
-        kfree(port);
+        hsi_put_controller(hsi);
 
         return NULL;
 }
 EXPORT_SYMBOL_GPL(hsi_alloc_controller);
 
 /**
- * hsi_free_controller - Free an HSI controller
- * @hsi: Pointer to HSI controller
- */
-void hsi_free_controller(struct hsi_controller *hsi)
-{
-        if (!hsi)
-                return;
-
-        kfree(hsi->port);
-        kfree(hsi);
-}
-EXPORT_SYMBOL_GPL(hsi_free_controller);
-
-/**
  * hsi_free_msg - Free an HSI message
  * @msg: Pointer to the HSI message
  *
@@ -414,37 +407,67 @@ void hsi_release_port(struct hsi_client *cl)
 }
 EXPORT_SYMBOL_GPL(hsi_release_port);
 
-static int hsi_start_rx(struct hsi_client *cl, void *data __maybe_unused)
+static int hsi_event_notifier_call(struct notifier_block *nb,
+                                unsigned long event, void *data __maybe_unused)
 {
-        if (cl->hsi_start_rx)
-                (*cl->hsi_start_rx)(cl);
+        struct hsi_client *cl = container_of(nb, struct hsi_client, nb);
+
+        (*cl->ehandler)(cl, event);
 
         return 0;
 }
 
-static int hsi_stop_rx(struct hsi_client *cl, void *data __maybe_unused)
+/**
+ * hsi_register_port_event - Register a client to receive port events
+ * @cl: HSI client that wants to receive port events
+ * @cb: Event handler callback
+ *
+ * Clients should register a callback to be able to receive
+ * events from the ports. Registration should happen after
+ * claiming the port.
+ * The handler can be called in interrupt context.
+ *
+ * Returns -errno on error, or 0 on success.
+ */
+int hsi_register_port_event(struct hsi_client *cl,
+                        void (*handler)(struct hsi_client *, unsigned long))
 {
-        if (cl->hsi_stop_rx)
-                (*cl->hsi_stop_rx)(cl);
+        struct hsi_port *port = hsi_get_port(cl);
 
-        return 0;
+        if (!handler || cl->ehandler)
+                return -EINVAL;
+        if (!hsi_port_claimed(cl))
+                return -EACCES;
+        cl->ehandler = handler;
+        cl->nb.notifier_call = hsi_event_notifier_call;
+
+        return atomic_notifier_chain_register(&port->n_head, &cl->nb);
 }
+EXPORT_SYMBOL_GPL(hsi_register_port_event);
 
-static int hsi_port_for_each_client(struct hsi_port *port, void *data,
-                                int (*fn)(struct hsi_client *cl, void *data))
+/**
+ * hsi_unregister_port_event - Stop receiving port events for a client
+ * @cl: HSI client that wants to stop receiving port events
+ *
+ * Clients should call this function before releasing their associated
+ * port.
+ *
+ * Returns -errno on error, or 0 on success.
+ */
+int hsi_unregister_port_event(struct hsi_client *cl)
 {
-        struct hsi_client *cl;
+        struct hsi_port *port = hsi_get_port(cl);
+        int err;
 
-        spin_lock(&port->clock);
-        list_for_each_entry(cl, &port->clients, link) {
-                spin_unlock(&port->clock);
-                (*fn)(cl, data);
-                spin_lock(&port->clock);
-        }
-        spin_unlock(&port->clock);
+        WARN_ON(!hsi_port_claimed(cl));
 
-        return 0;
+        err = atomic_notifier_chain_unregister(&port->n_head, &cl->nb);
+        if (!err)
+                cl->ehandler = NULL;
+
+        return err;
 }
+EXPORT_SYMBOL_GPL(hsi_unregister_port_event);
 
 /**
  * hsi_event -Notifies clients about port events
@@ -458,22 +481,12 @@ static int hsi_port_for_each_client(struct hsi_port *port, void *data,
  * Events:
  * HSI_EVENT_START_RX - Incoming wake line high
  * HSI_EVENT_STOP_RX - Incoming wake line down
+ *
+ * Returns -errno on error, or 0 on success.
  */
-void hsi_event(struct hsi_port *port, unsigned int event)
+int hsi_event(struct hsi_port *port, unsigned long event)
 {
-        int (*fn)(struct hsi_client *cl, void *data);
-
-        switch (event) {
-        case HSI_EVENT_START_RX:
-                fn = hsi_start_rx;
-                break;
-        case HSI_EVENT_STOP_RX:
-                fn = hsi_stop_rx;
-                break;
-        default:
-                return;
-        }
-        hsi_port_for_each_client(port, NULL, fn);
+        return atomic_notifier_call_chain(&port->n_head, event, NULL);
 }
 EXPORT_SYMBOL_GPL(hsi_event);
 
diff --git a/drivers/hwmon/acpi_power_meter.c b/drivers/hwmon/acpi_power_meter.c
index 145f13580ff..9140236a018 100644
--- a/drivers/hwmon/acpi_power_meter.c
+++ b/drivers/hwmon/acpi_power_meter.c
@@ -391,6 +391,7 @@ static ssize_t show_str(struct device *dev,
                 break;
         default:
                 BUG();
+                val = "";
         }
 
         return sprintf(buf, "%s\n", val);
diff --git a/drivers/hwmon/ad7314.c b/drivers/hwmon/ad7314.c
index ce43642ef03..f85ce70d967 100644
--- a/drivers/hwmon/ad7314.c
+++ b/drivers/hwmon/ad7314.c
@@ -47,7 +47,7 @@ struct ad7314_data {
         u16 rx ____cacheline_aligned;
 };
 
-static int ad7314_spi_read(struct ad7314_data *chip, s16 *data)
+static int ad7314_spi_read(struct ad7314_data *chip)
 {
         int ret;
 
@@ -57,9 +57,7 @@ static int ad7314_spi_read(struct ad7314_data *chip, s16 *data)
                 return ret;
         }
 
-        *data = be16_to_cpu(chip->rx);
-
-        return ret;
+        return be16_to_cpu(chip->rx);
 }
 
 static ssize_t ad7314_show_temperature(struct device *dev,
@@ -70,12 +68,12 @@ static ssize_t ad7314_show_temperature(struct device *dev,
         s16 data;
         int ret;
 
-        ret = ad7314_spi_read(chip, &data);
+        ret = ad7314_spi_read(chip);
         if (ret < 0)
                 return ret;
         switch (spi_get_device_id(chip->spi_dev)->driver_data) {
         case ad7314:
-                data = (data & AD7314_TEMP_MASK) >> AD7314_TEMP_OFFSET;
+                data = (ret & AD7314_TEMP_MASK) >> AD7314_TEMP_OFFSET;
                 data = (data << 6) >> 6;
 
                 return sprintf(buf, "%d\n", 250 * data);
@@ -86,7 +84,7 @@ static ssize_t ad7314_show_temperature(struct device *dev,
                  * with a sign bit - which is a 14 bit 2's complement
                  * register.  1lsb - 31.25 milli degrees centigrade
                  */
-                data &= ADT7301_TEMP_MASK;
+                data = ret & ADT7301_TEMP_MASK;
                 data = (data << 2) >> 2;
 
                 return sprintf(buf, "%d\n",
diff --git a/drivers/hwmon/ads1015.c b/drivers/hwmon/ads1015.c
index 7765e4f74ec..1958f03efd7 100644
--- a/drivers/hwmon/ads1015.c
+++ b/drivers/hwmon/ads1015.c
@@ -59,14 +59,11 @@ struct ads1015_data {
         struct ads1015_channel_data channel_data[ADS1015_CHANNELS];
 };
 
-static int ads1015_read_value(struct i2c_client *client, unsigned int channel,
-                              int *value)
+static int ads1015_read_adc(struct i2c_client *client, unsigned int channel)
 {
         u16 config;
-        s16 conversion;
         struct ads1015_data *data = i2c_get_clientdata(client);
         unsigned int pga = data->channel_data[channel].pga;
-        int fullscale;
         unsigned int data_rate = data->channel_data[channel].data_rate;
         unsigned int conversion_time_ms;
         int res;
@@ -78,7 +75,6 @@ static int ads1015_read_value(struct i2c_client *client, unsigned int channel,
         if (res < 0)
                 goto err_unlock;
         config = res;
-        fullscale = fullscale_table[pga];
         conversion_time_ms = DIV_ROUND_UP(1000, data_rate_table[data_rate]);
 
         /* setup and start single conversion */
@@ -105,33 +101,36 @@ static int ads1015_read_value(struct i2c_client *client, unsigned int channel,
         }
 
         res = i2c_smbus_read_word_swapped(client, ADS1015_CONVERSION);
-        if (res < 0)
-                goto err_unlock;
-        conversion = res;
-
-        mutex_unlock(&data->update_lock);
-
-        *value = DIV_ROUND_CLOSEST(conversion * fullscale, 0x7ff0);
-
-        return 0;
 
 err_unlock:
         mutex_unlock(&data->update_lock);
         return res;
 }
 
+static int ads1015_reg_to_mv(struct i2c_client *client, unsigned int channel,
+                             s16 reg)
+{
+        struct ads1015_data *data = i2c_get_clientdata(client);
+        unsigned int pga = data->channel_data[channel].pga;
+        int fullscale = fullscale_table[pga];
+
+        return DIV_ROUND_CLOSEST(reg * fullscale, 0x7ff0);
+}
+
 /* sysfs callback function */
 static ssize_t show_in(struct device *dev, struct device_attribute *da,
         char *buf)
 {
         struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
         struct i2c_client *client = to_i2c_client(dev);
-        int in;
         int res;
+        int index = attr->index;
 
-        res = ads1015_read_value(client, attr->index, &in);
+        res = ads1015_read_adc(client, index);
+        if (res < 0)
+                return res;
 
-        return (res < 0) ? res : sprintf(buf, "%d\n", in);
+        return sprintf(buf, "%d\n", ads1015_reg_to_mv(client, index, res));
 }
 
 static const struct sensor_device_attribute ads1015_in[] = {
diff --git a/drivers/hwmon/fam15h_power.c b/drivers/hwmon/fam15h_power.c
index b7494af1e4a..e8e18cab1fb 100644
--- a/drivers/hwmon/fam15h_power.c
+++ b/drivers/hwmon/fam15h_power.c
@@ -122,6 +122,41 @@ static bool __devinit fam15h_power_is_internal_node0(struct pci_dev *f4)
         return true;
 }
 
+/*
+ * Newer BKDG versions have an updated recommendation on how to properly
+ * initialize the running average range (was: 0xE, now: 0x9). This avoids
+ * counter saturations resulting in bogus power readings.
+ * We correct this value ourselves to cope with older BIOSes.
+ */
+static DEFINE_PCI_DEVICE_TABLE(affected_device) = {
+        { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_NB_F4) },
+        { 0 }
+};
+
+static void __devinit tweak_runavg_range(struct pci_dev *pdev)
+{
+        u32 val;
+
+        /*
+         * let this quirk apply only to the current version of the
+         * northbridge, since future versions may change the behavior
+         */
+        if (!pci_match_id(affected_device, pdev))
+                return;
+
+        pci_bus_read_config_dword(pdev->bus,
+                PCI_DEVFN(PCI_SLOT(pdev->devfn), 5),
+                REG_TDP_RUNNING_AVERAGE, &val);
+        if ((val & 0xf) != 0xe)
+                return;
+
+        val &= ~0xf;
+        val |=  0x9;
+        pci_bus_write_config_dword(pdev->bus,
+                PCI_DEVFN(PCI_SLOT(pdev->devfn), 5),
+                REG_TDP_RUNNING_AVERAGE, val);
+}
+
 static void __devinit fam15h_power_init_data(struct pci_dev *f4,
                                              struct fam15h_power_data *data)
 {
@@ -155,6 +190,13 @@ static int __devinit fam15h_power_probe(struct pci_dev *pdev,
         struct device *dev;
         int err;
 
+        /*
+         * though we ignore every other northbridge, we still have to
+         * do the tweaking on _each_ node in MCM processors as the counters
+         * are working hand-in-hand
+         */
+        tweak_runavg_range(pdev);
+
         if (!fam15h_power_is_internal_node0(pdev)) {
                 err = -ENODEV;
                 goto exit;
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index be51037363c..29b319db573 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -710,13 +710,13 @@ static u16 pmbus_data2reg(struct pmbus_data *data,
  * If a negative value is stored in any of the referenced registers, this value
  * reflects an error code which will be returned.
  */
-static int pmbus_get_boolean(struct pmbus_data *data, int index, int *val)
+static int pmbus_get_boolean(struct pmbus_data *data, int index)
 {
         u8 s1 = (index >> 24) & 0xff;
         u8 s2 = (index >> 16) & 0xff;
         u8 reg = (index >> 8) & 0xff;
         u8 mask = index & 0xff;
-        int status;
+        int ret, status;
         u8 regval;
 
         status = data->status[reg];
@@ -725,7 +725,7 @@ static int pmbus_get_boolean(struct pmbus_data *data, int index, int *val)
 
         regval = status & mask;
         if (!s1 && !s2)
-                *val = !!regval;
+                ret = !!regval;
         else {
                 long v1, v2;
                 struct pmbus_sensor *sensor1, *sensor2;
@@ -739,9 +739,9 @@ static int pmbus_get_boolean(struct pmbus_data *data, int index, int *val)
 
                 v1 = pmbus_reg2data(data, sensor1);
                 v2 = pmbus_reg2data(data, sensor2);
-                *val = !!(regval && v1 >= v2);
+                ret = !!(regval && v1 >= v2);
         }
-        return 0;
+        return ret;
 }
 
 static ssize_t pmbus_show_boolean(struct device *dev,
@@ -750,11 +750,10 @@ static ssize_t pmbus_show_boolean(struct device *dev,
         struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
         struct pmbus_data *data = pmbus_update_device(dev);
         int val;
-        int err;
 
-        err = pmbus_get_boolean(data, attr->index, &val);
-        if (err)
-                return err;
+        val = pmbus_get_boolean(data, attr->index);
+        if (val < 0)
+                return val;
         return snprintf(buf, PAGE_SIZE, "%d\n", val);
 }
 
diff --git a/drivers/hwmon/smsc47b397.c b/drivers/hwmon/smsc47b397.c
index d3b778da3f8..c5f6be478ba 100644
--- a/drivers/hwmon/smsc47b397.c
+++ b/drivers/hwmon/smsc47b397.c
@@ -343,10 +343,11 @@ exit:
         return err;
 }
 
-static int __init smsc47b397_find(unsigned short *addr)
+static int __init smsc47b397_find(void)
 {
         u8 id, rev;
         char *name;
+        unsigned short addr;
 
         superio_enter();
         id = force_id ? force_id : superio_inb(SUPERIO_REG_DEVID);
@@ -370,14 +371,14 @@ static int __init smsc47b397_find(unsigned short *addr)
         rev = superio_inb(SUPERIO_REG_DEVREV);
 
         superio_select(SUPERIO_REG_LD8);
-        *addr = (superio_inb(SUPERIO_REG_BASE_MSB) << 8)
+        addr = (superio_inb(SUPERIO_REG_BASE_MSB) << 8)
                  |  superio_inb(SUPERIO_REG_BASE_LSB);
 
         pr_info("found SMSC %s (base address 0x%04x, revision %u)\n",
-                name, *addr, rev);
+                name, addr, rev);
 
         superio_exit();
-        return 0;
+        return addr;
 }
 
 static int __init smsc47b397_init(void)
@@ -385,9 +386,10 @@ static int __init smsc47b397_init(void)
         unsigned short address;
         int ret;
 
-        ret = smsc47b397_find(&address);
-        if (ret)
+        ret = smsc47b397_find();
+        if (ret < 0)
                 return ret;
+        address = ret;
 
         ret = platform_driver_register(&smsc47b397_driver);
         if (ret)
diff --git a/drivers/hwmon/smsc47m1.c b/drivers/hwmon/smsc47m1.c
index c590c146979..b5aa38dd7ab 100644
--- a/drivers/hwmon/smsc47m1.c
+++ b/drivers/hwmon/smsc47m1.c
@@ -491,10 +491,10 @@ static const struct attribute_group smsc47m1_group = {
         .attrs = smsc47m1_attributes,
 };
 
-static int __init smsc47m1_find(unsigned short *addr,
-                                struct smsc47m1_sio_data *sio_data)
+static int __init smsc47m1_find(struct smsc47m1_sio_data *sio_data)
 {
         u8 val;
+        unsigned short addr;
 
         superio_enter();
         val = force_id ? force_id : superio_inb(SUPERIO_REG_DEVID);
@@ -546,9 +546,9 @@ static int __init smsc47m1_find(unsigned short *addr,
         }
 
         superio_select();
-        *addr = (superio_inb(SUPERIO_REG_BASE) << 8)
+        addr = (superio_inb(SUPERIO_REG_BASE) << 8)
               |  superio_inb(SUPERIO_REG_BASE + 1);
-        if (*addr == 0) {
+        if (addr == 0) {
                 pr_info("Device address not set, will not use\n");
                 superio_exit();
                 return -ENODEV;
@@ -565,7 +565,7 @@ static int __init smsc47m1_find(unsigned short *addr,
         }
 
         superio_exit();
-        return 0;
+        return addr;
 }
 
 /* Restore device to its initial state */
@@ -938,13 +938,15 @@ static int __init sm_smsc47m1_init(void)
         unsigned short address;
         struct smsc47m1_sio_data sio_data;
 
-        if (smsc47m1_find(&address, &sio_data))
-                return -ENODEV;
+        err = smsc47m1_find(&sio_data);
+        if (err < 0)
+                return err;
+        address = err;
 
         /* Sets global pdev as a side effect */
         err = smsc47m1_device_add(address, &sio_data);
         if (err)
-                goto exit;
+                return err;
 
         err = platform_driver_probe(&smsc47m1_driver, smsc47m1_probe);
         if (err)
@@ -955,7 +957,6 @@ static int __init sm_smsc47m1_init(void)
 exit_device:
         platform_device_unregister(pdev);
         smsc47m1_restore(&sio_data);
-exit:
         return err;
 }
 
diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c
index 37f42113af3..00e8f213f56 100644
--- a/drivers/i2c/busses/i2c-designware-pcidrv.c
+++ b/drivers/i2c/busses/i2c-designware-pcidrv.c
@@ -182,7 +182,6 @@ static int i2c_dw_pci_resume(struct device *dev)
         pci_restore_state(pdev);
 
         i2c_dw_init(i2c);
-        i2c_dw_enable(i2c);
         return 0;
 }
 
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 426bb7617ec..b0d0bc8a6fb 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -1854,6 +1854,8 @@ static bool generate_unmatched_resp(struct ib_mad_private *recv,
                 response->mad.mad.mad_hdr.method = IB_MGMT_METHOD_GET_RESP;
                 response->mad.mad.mad_hdr.status =
                         cpu_to_be16(IB_MGMT_MAD_STATUS_UNSUPPORTED_METHOD_ATTRIB);
+                if (recv->mad.mad.mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
+                        response->mad.mad.mad_hdr.status |= IB_SMP_DIRECTION;
 
                 return true;
         } else {
@@ -1869,6 +1871,7 @@ static void ib_mad_recv_done_handler(struct ib_mad_port_private *port_priv,
         struct ib_mad_list_head *mad_list;
         struct ib_mad_agent_private *mad_agent;
         int port_num;
+        int ret = IB_MAD_RESULT_SUCCESS;
 
         mad_list = (struct ib_mad_list_head *)(unsigned long)wc->wr_id;
         qp_info = mad_list->mad_queue->qp_info;
@@ -1952,8 +1955,6 @@ static void ib_mad_recv_done_handler(struct ib_mad_port_private *port_priv,
 local:
         /* Give driver "right of first refusal" on incoming MAD */
         if (port_priv->device->process_mad) {
-                int ret;
-
                 ret = port_priv->device->process_mad(port_priv->device, 0,
                                                      port_priv->port_num,
                                                      wc, &recv->grh,
@@ -1981,7 +1982,8 @@ local:
                  * or via recv_handler in ib_mad_complete_recv()
                  */
                 recv = NULL;
-        } else if (generate_unmatched_resp(recv, response)) {
+        } else if ((ret & IB_MAD_RESULT_SUCCESS) &&
+                   generate_unmatched_resp(recv, response)) {
                 agent_send_response(&response->mad.mad, &recv->grh, wc,
                                     port_priv->device, port_num, qp_info->qp->qp_num);
         }
diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
index 83b720ef6c3..246fdc15165 100644
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -179,7 +179,7 @@ static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused,
 {
         struct ib_port_attr attr;
         char *speed = "";
-        int rate = -1;          /* in deci-Gb/sec */
+        int rate;               /* in deci-Gb/sec */
         ssize_t ret;
 
         ret = ib_query_port(p->ibdev, p->port_num, &attr);
@@ -187,9 +187,6 @@ static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused,
                 return ret;
 
         switch (attr.active_speed) {
-        case IB_SPEED_SDR:
-                rate = 25;
-                break;
         case IB_SPEED_DDR:
                 speed = " DDR";
                 rate = 50;
@@ -210,6 +207,10 @@ static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused,
                 speed = " EDR";
                 rate = 250;
                 break;
+        case IB_SPEED_SDR:
+        default:                /* default to SDR for invalid rates */
+                rate = 25;
+                break;
         }
 
         rate *= ib_width_enum_to_int(attr.active_width);
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 75d30562930..b948b6dd5d5 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -247,12 +247,17 @@ static int ib_link_query_port(struct ib_device *ibdev, u8 port,
                 err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port,
                                    NULL, NULL, in_mad, out_mad);
                 if (err)
-                        return err;
+                        goto out;
 
                 /* Checking LinkSpeedActive for FDR-10 */
                 if (out_mad->data[15] & 0x1)
                         props->active_speed = IB_SPEED_FDR10;
         }
+
+        /* Avoid wrong speed value returned by FW if the IB link is down. */
+        if (props->state == IB_PORT_DOWN)
+                 props->active_speed = IB_SPEED_SDR;
+
 out:
         kfree(in_mad);
         kfree(out_mad);
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index 69e2ad06e51..daf21b89999 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -3232,6 +3232,7 @@ static void srpt_add_one(struct ib_device *device)
         srq_attr.attr.max_wr = sdev->srq_size;
         srq_attr.attr.max_sge = 1;
         srq_attr.attr.srq_limit = 0;
+        srq_attr.srq_type = IB_SRQT_BASIC;
 
         sdev->srq = ib_create_srq(sdev->pd, &srq_attr);
         if (IS_ERR(sdev->srq))
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 2d787796bf5..7faf4a7fcaa 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -380,8 +380,7 @@ config INPUT_TWL4030_VIBRA
 
 config INPUT_TWL6040_VIBRA
         tristate "Support for TWL6040 Vibrator"
-        depends on TWL4030_CORE
-        select TWL6040_CORE
+        depends on TWL6040_CORE
         select INPUT_FF_MEMLESS
         help
           This option enables support for TWL6040 Vibrator Driver.
diff --git a/drivers/input/misc/da9052_onkey.c b/drivers/input/misc/da9052_onkey.c
index 34aebb8cd08..3c843cd725f 100644
--- a/drivers/input/misc/da9052_onkey.c
+++ b/drivers/input/misc/da9052_onkey.c
@@ -95,7 +95,8 @@ static int __devinit da9052_onkey_probe(struct platform_device *pdev)
         input_dev = input_allocate_device();
         if (!onkey || !input_dev) {
                 dev_err(&pdev->dev, "Failed to allocate memory\n");
-                return -ENOMEM;
+                error = -ENOMEM;
+                goto err_free_mem;
         }
 
         onkey->input = input_dev;
diff --git a/drivers/input/misc/twl6040-vibra.c b/drivers/input/misc/twl6040-vibra.c
index 45874fed523..14e94f56cb7 100644
--- a/drivers/input/misc/twl6040-vibra.c
+++ b/drivers/input/misc/twl6040-vibra.c
@@ -28,7 +28,7 @@
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/workqueue.h>
-#include <linux/i2c/twl.h>
+#include <linux/input.h>
 #include <linux/mfd/twl6040.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
@@ -257,7 +257,7 @@ static SIMPLE_DEV_PM_OPS(twl6040_vibra_pm_ops, twl6040_vibra_suspend, NULL);
 
 static int __devinit twl6040_vibra_probe(struct platform_device *pdev)
 {
-        struct twl4030_vibra_data *pdata = pdev->dev.platform_data;
+        struct twl6040_vibra_data *pdata = pdev->dev.platform_data;
         struct vibra_info *info;
         int ret;
 
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index d2c0db159b1..479011004a1 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -486,7 +486,6 @@ static void elantech_input_sync_v4(struct psmouse *psmouse)
         unsigned char *packet = psmouse->packet;
 
         input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
-        input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
         input_mt_report_pointer_emulation(dev, true);
         input_sync(dev);
 }
@@ -967,6 +966,7 @@ static int elantech_set_input_params(struct psmouse *psmouse)
         if (elantech_set_range(psmouse, &x_min, &y_min, &x_max, &y_max, &width))
                 return -1;
 
+        __set_bit(INPUT_PROP_POINTER, dev->propbit);
         __set_bit(EV_KEY, dev->evbit);
         __set_bit(EV_ABS, dev->evbit);
         __clear_bit(EV_REL, dev->evbit);
@@ -1017,7 +1017,9 @@ static int elantech_set_input_params(struct psmouse *psmouse)
                          */
                         psmouse_warn(psmouse, "couldn't query resolution data.\n");
                 }
-
+                /* v4 is clickpad, with only one button. */
+                __set_bit(INPUT_PROP_BUTTONPAD, dev->propbit);
+                __clear_bit(BTN_RIGHT, dev->keybit);
                 __set_bit(BTN_TOOL_QUADTAP, dev->keybit);
                 /* For X to recognize me as touchpad. */
                 input_set_abs_params(dev, ABS_X, x_min, x_max, 0, 0);
@@ -1245,6 +1247,8 @@ static void elantech_disconnect(struct psmouse *psmouse)
  */
 static int elantech_reconnect(struct psmouse *psmouse)
 {
+        psmouse_reset(psmouse);
+
         if (elantech_detect(psmouse, 0))
                 return -1;
 
@@ -1324,6 +1328,8 @@ int elantech_init(struct psmouse *psmouse)
         if (!etd)
                 return -ENOMEM;
 
+        psmouse_reset(psmouse);
+
         etd->parity[0] = 1;
         for (i = 1; i < 256; i++)
                 etd->parity[i] = etd->parity[i & (i - 1)] ^ 1;
diff --git a/drivers/input/mouse/gpio_mouse.c b/drivers/input/mouse/gpio_mouse.c
index a9ad8e1402b..39fe9b737ca 100644
--- a/drivers/input/mouse/gpio_mouse.c
+++ b/drivers/input/mouse/gpio_mouse.c
@@ -12,9 +12,9 @@
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/input-polldev.h>
+#include <linux/gpio.h>
 #include <linux/gpio_mouse.h>
 
-#include <asm/gpio.h>
 
 /*
  * Timer function which is run every scan_ms ms when the device is opened.
diff --git a/drivers/input/mouse/sentelic.c b/drivers/input/mouse/sentelic.c
index a977bfaa682..661a0ca3b3d 100644
--- a/drivers/input/mouse/sentelic.c
+++ b/drivers/input/mouse/sentelic.c
@@ -741,6 +741,14 @@ static psmouse_ret_t fsp_process_byte(struct psmouse *psmouse)
                         }
                 } else {
                         /* SFAC packet */
+                        if ((packet[0] & (FSP_PB0_LBTN|FSP_PB0_PHY_BTN)) ==
+                                FSP_PB0_LBTN) {
+                                /* On-pad click in SFAC mode should be handled
+                                 * by userspace.  On-pad clicks in MFMC mode
+                                 * are real clickpad clicks, and not ignored.
+                                 */
+                                packet[0] &= ~FSP_PB0_LBTN;
+                        }
 
                         /* no multi-finger information */
                         ad->last_mt_fgr = 0;
diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c
index 22b21801813..f3102494237 100644
--- a/drivers/input/mouse/trackpoint.c
+++ b/drivers/input/mouse/trackpoint.c
@@ -304,7 +304,7 @@ int trackpoint_detect(struct psmouse *psmouse, bool set_properties)
                 return 0;
 
         if (trackpoint_read(&psmouse->ps2dev, TP_EXT_BTN, &button_info)) {
-                printk(KERN_WARNING "trackpoint.c: failed to get extended button data\n");
+                psmouse_warn(psmouse, "failed to get extended button data\n");
                 button_info = 0;
         }
 
@@ -326,16 +326,18 @@ int trackpoint_detect(struct psmouse *psmouse, bool set_properties)
 
         error = sysfs_create_group(&ps2dev->serio->dev.kobj, &trackpoint_attr_group);
         if (error) {
-                printk(KERN_ERR
-                        "trackpoint.c: failed to create sysfs attributes, error: %d\n",
-                        error);
+                psmouse_err(psmouse,
+                            "failed to create sysfs attributes, error: %d\n",
+                            error);
                 kfree(psmouse->private);
                 psmouse->private = NULL;
                 return -1;
         }
 
-        printk(KERN_INFO "IBM TrackPoint firmware: 0x%02x, buttons: %d/%d\n",
-                firmware_id, (button_info & 0xf0) >> 4, button_info & 0x0f);
+        psmouse_info(psmouse,
+                     "IBM TrackPoint firmware: 0x%02x, buttons: %d/%d\n",
+                     firmware_id,
+                     (button_info & 0xf0) >> 4, button_info & 0x0f);
 
         return 0;
 }
diff --git a/drivers/input/touchscreen/tps6507x-ts.c b/drivers/input/touchscreen/tps6507x-ts.c
index 6c6f6d8ea9b..f7eda3d00fa 100644
--- a/drivers/input/touchscreen/tps6507x-ts.c
+++ b/drivers/input/touchscreen/tps6507x-ts.c
@@ -1,6 +1,4 @@
 /*
- * drivers/input/touchscreen/tps6507x_ts.c
- *
  * Touchscreen driver for the tps6507x chip.
  *
  * Copyright (c) 2009 RidgeRun (todd.fischer@ridgerun.com)
@@ -376,4 +374,4 @@ module_platform_driver(tps6507x_ts_driver);
 MODULE_AUTHOR("Todd Fischer <todd.fischer@ridgerun.com>");
 MODULE_DESCRIPTION("TPS6507x - TouchScreen driver");
 MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("platform:tps6507x-tsc");
+MODULE_ALIAS("platform:tps6507x-ts");
diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index b3d6ac17272..a6d9fd2858f 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -176,7 +176,7 @@ static void if_close(struct tty_struct *tty, struct file *filp)
         struct cardstate *cs = tty->driver_data;
 
         if (!cs) { /* happens if we didn't find cs in open */
-                printk(KERN_DEBUG "%s: no cardstate\n", __func__);
+                gig_dbg(DEBUG_IF, "%s: no cardstate", __func__);
                 return;
         }
 
diff --git a/drivers/leds/leds-atmel-pwm.c b/drivers/leds/leds-atmel-pwm.c
index 800243b6037..64ad702a2ec 100644
--- a/drivers/leds/leds-atmel-pwm.c
+++ b/drivers/leds/leds-atmel-pwm.c
@@ -35,7 +35,7 @@ static void pwmled_brightness(struct led_classdev *cdev, enum led_brightness b)
  * NOTE:  we reuse the platform_data structure of GPIO leds,
  * but repurpose its "gpio" number as a PWM channel number.
  */
-static int __init pwmled_probe(struct platform_device *pdev)
+static int __devinit pwmled_probe(struct platform_device *pdev)
 {
         const struct gpio_led_platform_data     *pdata;
         struct pwmled                           *leds;
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 3d0dfa7a89a..97e73e555d1 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -539,9 +539,6 @@ static int bitmap_new_disk_sb(struct bitmap *bitmap)
         bitmap->events_cleared = bitmap->mddev->events;
         sb->events_cleared = cpu_to_le64(bitmap->mddev->events);
 
-        bitmap->flags |= BITMAP_HOSTENDIAN;
-        sb->version = cpu_to_le32(BITMAP_MAJOR_HOSTENDIAN);
-
         kunmap_atomic(sb);
 
         return 0;
@@ -1788,7 +1785,9 @@ int bitmap_load(struct mddev *mddev)
                  * re-add of a missing device */
                 start = mddev->recovery_cp;
 
+        mutex_lock(&mddev->bitmap_info.mutex);
         err = bitmap_init_from_disk(bitmap, start);
+        mutex_unlock(&mddev->bitmap_info.mutex);
 
         if (err)
                 goto out;
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index b0ba52459ed..68965e66324 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -859,7 +859,7 @@ static int analyse_superblocks(struct dm_target *ti, struct raid_set *rs)
         int ret;
         unsigned redundancy = 0;
         struct raid_dev *dev;
-        struct md_rdev *rdev, *freshest;
+        struct md_rdev *rdev, *tmp, *freshest;
         struct mddev *mddev = &rs->md;
 
         switch (rs->raid_type->level) {
@@ -877,7 +877,7 @@ static int analyse_superblocks(struct dm_target *ti, struct raid_set *rs)
         }
 
         freshest = NULL;
-        rdev_for_each(rdev, mddev) {
+        rdev_for_each_safe(rdev, tmp, mddev) {
                 if (!rdev->meta_bdev)
                         continue;
 
diff --git a/drivers/md/md.c b/drivers/md/md.c
index b572e1e386c..477eb2e180c 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -7560,14 +7560,14 @@ void md_check_recovery(struct mddev *mddev)
                  * any transients in the value of "sync_action".
                  */
                 set_bit(MD_RECOVERY_RUNNING, &mddev->recovery);
-                clear_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
                 /* Clear some bits that don't mean anything, but
                  * might be left set
                  */
                 clear_bit(MD_RECOVERY_INTR, &mddev->recovery);
                 clear_bit(MD_RECOVERY_DONE, &mddev->recovery);
 
-                if (test_bit(MD_RECOVERY_FROZEN, &mddev->recovery))
+                if (!test_and_clear_bit(MD_RECOVERY_NEEDED, &mddev->recovery) ||
+                    test_bit(MD_RECOVERY_FROZEN, &mddev->recovery))
                         goto unlock;
                 /* no recovery is running.
                  * remove any failed drives, then
@@ -8140,7 +8140,8 @@ static int md_notify_reboot(struct notifier_block *this,
 
         for_each_mddev(mddev, tmp) {
                 if (mddev_trylock(mddev)) {
-                        __md_stop_writes(mddev);
+                        if (mddev->pers)
+                                __md_stop_writes(mddev);
                         mddev->safemode = 2;
                         mddev_unlock(mddev);
                 }
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index d35e4c991e3..15dd59b84e9 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1712,6 +1712,7 @@ static int process_checks(struct r1bio *r1_bio)
         struct r1conf *conf = mddev->private;
         int primary;
         int i;
+        int vcnt;
 
         for (primary = 0; primary < conf->raid_disks * 2; primary++)
                 if (r1_bio->bios[primary]->bi_end_io == end_sync_read &&
@@ -1721,9 +1722,9 @@ static int process_checks(struct r1bio *r1_bio)
                         break;
                 }
         r1_bio->read_disk = primary;
+        vcnt = (r1_bio->sectors + PAGE_SIZE / 512 - 1) >> (PAGE_SHIFT - 9);
         for (i = 0; i < conf->raid_disks * 2; i++) {
                 int j;
-                int vcnt = r1_bio->sectors >> (PAGE_SHIFT- 9);
                 struct bio *pbio = r1_bio->bios[primary];
                 struct bio *sbio = r1_bio->bios[i];
                 int size;
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index fff782189e4..c8dbb84d535 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1788,6 +1788,7 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio)
         struct r10conf *conf = mddev->private;
         int i, first;
         struct bio *tbio, *fbio;
+        int vcnt;
 
         atomic_set(&r10_bio->remaining, 1);
 
@@ -1802,10 +1803,10 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio)
         first = i;
         fbio = r10_bio->devs[i].bio;
 
+        vcnt = (r10_bio->sectors + (PAGE_SIZE >> 9) - 1) >> (PAGE_SHIFT - 9);
         /* now find blocks with errors */
         for (i=0 ; i < conf->copies ; i++) {
                 int  j, d;
-                int vcnt = r10_bio->sectors >> (PAGE_SHIFT-9);
 
                 tbio = r10_bio->devs[i].bio;
 
@@ -1871,7 +1872,6 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio)
          */
         for (i = 0; i < conf->copies; i++) {
                 int j, d;
-                int vcnt = r10_bio->sectors >> (PAGE_SHIFT-9);
 
                 tbio = r10_bio->devs[i].repl_bio;
                 if (!tbio || !tbio->bi_end_io)
diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c
index 7f98984e4fa..eab2ea42420 100644
--- a/drivers/media/common/tuners/xc5000.c
+++ b/drivers/media/common/tuners/xc5000.c
@@ -54,6 +54,7 @@ struct xc5000_priv {
         struct list_head hybrid_tuner_instance_list;
 
         u32 if_khz;
+        u32 xtal_khz;
         u32 freq_hz;
         u32 bandwidth;
         u8  video_standard;
@@ -214,9 +215,9 @@ static const struct xc5000_fw_cfg xc5000a_1_6_114 = {
         .size = 12401,
 };
 
-static const struct xc5000_fw_cfg xc5000c_41_024_5_31875 = {
-        .name = "dvb-fe-xc5000c-41.024.5-31875.fw",
-        .size = 16503,
+static const struct xc5000_fw_cfg xc5000c_41_024_5 = {
+        .name = "dvb-fe-xc5000c-41.024.5.fw",
+        .size = 16497,
 };
 
 static inline const struct xc5000_fw_cfg *xc5000_assign_firmware(int chip_id)
@@ -226,7 +227,7 @@ static inline const struct xc5000_fw_cfg *xc5000_assign_firmware(int chip_id)
         case XC5000A:
                 return &xc5000a_1_6_114;
         case XC5000C:
-                return &xc5000c_41_024_5_31875;
+                return &xc5000c_41_024_5;
         }
 }
 
@@ -572,6 +573,31 @@ static int xc_tune_channel(struct xc5000_priv *priv, u32 freq_hz, int mode)
         return found;
 }
 
+static int xc_set_xtal(struct dvb_frontend *fe)
+{
+        struct xc5000_priv *priv = fe->tuner_priv;
+        int ret = XC_RESULT_SUCCESS;
+
+        switch (priv->chip_id) {
+        default:
+        case XC5000A:
+                /* 32.000 MHz xtal is default */
+                break;
+        case XC5000C:
+                switch (priv->xtal_khz) {
+                default:
+                case 32000:
+                        /* 32.000 MHz xtal is default */
+                        break;
+                case 31875:
+                        /* 31.875 MHz xtal configuration */
+                        ret = xc_write_reg(priv, 0x000f, 0x8081);
+                        break;
+                }
+                break;
+        }
+        return ret;
+}
 
 static int xc5000_fwupload(struct dvb_frontend *fe)
 {
@@ -603,6 +629,8 @@ static int xc5000_fwupload(struct dvb_frontend *fe)
         } else {
                 printk(KERN_INFO "xc5000: firmware uploading...\n");
                 ret = xc_load_i2c_sequence(fe,  fw->data);
+                if (XC_RESULT_SUCCESS == ret)
+                        ret = xc_set_xtal(fe);
                 printk(KERN_INFO "xc5000: firmware upload complete...\n");
         }
 
@@ -1164,6 +1192,9 @@ struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
                 priv->if_khz = cfg->if_khz;
         }
 
+        if (priv->xtal_khz == 0)
+                priv->xtal_khz = cfg->xtal_khz;
+
         if (priv->radio_input == 0)
                 priv->radio_input = cfg->radio_input;
 
diff --git a/drivers/media/common/tuners/xc5000.h b/drivers/media/common/tuners/xc5000.h
index 3396f8e02b4..39a73bf0140 100644
--- a/drivers/media/common/tuners/xc5000.h
+++ b/drivers/media/common/tuners/xc5000.h
@@ -34,6 +34,7 @@ struct xc5000_config {
         u8   i2c_address;
         u32  if_khz;
         u8   radio_input;
+        u32  xtal_khz;
 
         int chip_id;
 };
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index 4555baa383b..0f64d718265 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -143,10 +143,12 @@ struct dvb_frontend_private {
 static void dvb_frontend_wakeup(struct dvb_frontend *fe);
 static int dtv_get_frontend(struct dvb_frontend *fe,
                             struct dvb_frontend_parameters *p_out);
+static int dtv_property_legacy_params_sync(struct dvb_frontend *fe,
+                                           struct dvb_frontend_parameters *p);
 
 static bool has_get_frontend(struct dvb_frontend *fe)
 {
-        return fe->ops.get_frontend;
+        return fe->ops.get_frontend != NULL;
 }
 
 /*
@@ -697,6 +699,7 @@ restart:
                                         fepriv->algo_status |= DVBFE_ALGO_SEARCH_AGAIN;
                                         fepriv->delay = HZ / 2;
                                 }
+                                dtv_property_legacy_params_sync(fe, &fepriv->parameters_out);
                                 fe->ops.read_status(fe, &s);
                                 if (s != fepriv->status) {
                                         dvb_frontend_add_event(fe, s); /* update event list */
@@ -1443,6 +1446,28 @@ static int set_delivery_system(struct dvb_frontend *fe, u32 desired_system)
                                 __func__);
                         return -EINVAL;
                 }
+                /*
+                 * Get a delivery system that is compatible with DVBv3
+                 * NOTE: in order for this to work with softwares like Kaffeine that
+                 *      uses a DVBv5 call for DVB-S2 and a DVBv3 call to go back to
+                 *      DVB-S, drivers that support both should put the SYS_DVBS entry
+                 *      before the SYS_DVBS2, otherwise it won't switch back to DVB-S.
+                 *      The real fix is that userspace applications should not use DVBv3
+                 *      and not trust on calling FE_SET_FRONTEND to switch the delivery
+                 *      system.
+                 */
+                ncaps = 0;
+                while (fe->ops.delsys[ncaps] && ncaps < MAX_DELSYS) {
+                        if (fe->ops.delsys[ncaps] == desired_system) {
+                                delsys = desired_system;
+                                break;
+                        }
+                        ncaps++;
+                }
+                if (delsys == SYS_UNDEFINED) {
+                        dprintk("%s() Couldn't find a delivery system that matches %d\n",
+                                __func__, desired_system);
+                }
         } else {
                 /*
                  * This is a DVBv5 call. So, it likely knows the supported
@@ -1491,9 +1516,10 @@ static int set_delivery_system(struct dvb_frontend *fe, u32 desired_system)
                                 __func__);
                         return -EINVAL;
                 }
-                c->delivery_system = delsys;
         }
 
+        c->delivery_system = delsys;
+
         /*
          * The DVBv3 or DVBv5 call is requesting a different system. So,
          * emulation is needed.
@@ -1833,6 +1859,13 @@ static int dtv_set_frontend(struct dvb_frontend *fe)
                 return -EINVAL;
 
         /*
+         * Initialize output parameters to match the values given by
+         * the user. FE_SET_FRONTEND triggers an initial frontend event
+         * with status = 0, which copies output parameters to userspace.
+         */
+        dtv_property_legacy_params_sync(fe, &fepriv->parameters_out);
+
+        /*
          * Be sure that the bandwidth will be filled for all
          * non-satellite systems, as tuners need to know what
          * low pass/Nyquist half filter should be applied, in
diff --git a/drivers/media/dvb/dvb-usb/it913x.c b/drivers/media/dvb/dvb-usb/it913x.c
index 3b7b102f20a..482d249ca7f 100644
--- a/drivers/media/dvb/dvb-usb/it913x.c
+++ b/drivers/media/dvb/dvb-usb/it913x.c
@@ -238,12 +238,27 @@ static int it913x_read_reg(struct usb_device *udev, u32 reg)
 
 static u32 it913x_query(struct usb_device *udev, u8 pro)
 {
-        int ret;
+        int ret, i;
         u8 data[4];
-        ret = it913x_io(udev, READ_LONG, pro, CMD_DEMOD_READ,
-                0x1222, 0, &data[0], 3);
+        u8 ver;
+
+        for (i = 0; i < 5; i++) {
+                ret = it913x_io(udev, READ_LONG, pro, CMD_DEMOD_READ,
+                        0x1222, 0, &data[0], 3);
+                ver = data[0];
+                if (ver > 0 && ver < 3)
+                        break;
+                msleep(100);
+        }
 
-        it913x_config.chip_ver = data[0];
+        if (ver < 1 || ver > 2) {
+                info("Failed to identify chip version applying 1");
+                it913x_config.chip_ver = 0x1;
+                it913x_config.chip_type = 0x9135;
+                return 0;
+        }
+
+        it913x_config.chip_ver = ver;
         it913x_config.chip_type = (u16)(data[2] << 8) + data[1];
 
         info("Chip Version=%02x Chip Type=%04x", it913x_config.chip_ver,
@@ -660,30 +675,41 @@ static int it913x_download_firmware(struct usb_device *udev,
                         if ((packet_size > min_pkt) || (i == fw->size)) {
                                 fw_data = (u8 *)(fw->data + pos);
                                 pos += packet_size;
-                                if (packet_size > 0)
-                                        ret |= it913x_io(udev, WRITE_DATA,
+                                if (packet_size > 0) {
+                                        ret = it913x_io(udev, WRITE_DATA,
                                                 DEV_0, CMD_SCATTER_WRITE, 0,
                                                 0, fw_data, packet_size);
+                                        if (ret < 0)
+                                                break;
+                                }
                                 udelay(1000);
                         }
                 }
                 i++;
         }
 
-        ret |= it913x_io(udev, WRITE_CMD, DEV_0, CMD_BOOT, 0, 0, NULL, 0);
-
-        msleep(100);
-
         if (ret < 0)
-                info("FRM Firmware Download Failed (%04x)" , ret);
+                info("FRM Firmware Download Failed (%d)" , ret);
         else
                 info("FRM Firmware Download Completed - Resetting Device");
 
-        ret |= it913x_return_status(udev);
+        msleep(30);
+
+        ret = it913x_io(udev, WRITE_CMD, DEV_0, CMD_BOOT, 0, 0, NULL, 0);
+        if (ret < 0)
+                info("FRM Device not responding to reboot");
+
+        ret = it913x_return_status(udev);
+        if (ret == 0) {
+                info("FRM Failed to reboot device");
+                return -ENODEV;
+        }
 
         msleep(30);
 
-        ret |= it913x_wr_reg(udev, DEV_0,  I2C_CLK, I2C_CLK_400);
+        ret = it913x_wr_reg(udev, DEV_0,  I2C_CLK, I2C_CLK_400);
+
+        msleep(30);
 
         /* Tuner function */
         if (it913x_config.dual_mode)
@@ -901,5 +927,5 @@ module_usb_driver(it913x_driver);
 
 MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>");
 MODULE_DESCRIPTION("it913x USB 2 Driver");
-MODULE_VERSION("1.27");
+MODULE_VERSION("1.28");
 MODULE_LICENSE("GPL");
diff --git a/drivers/media/dvb/frontends/drxk_hard.c b/drivers/media/dvb/frontends/drxk_hard.c
index 36d11756492..a414b1f2b6a 100644
--- a/drivers/media/dvb/frontends/drxk_hard.c
+++ b/drivers/media/dvb/frontends/drxk_hard.c
@@ -1520,8 +1520,10 @@ static int scu_command(struct drxk_state *state,
         dprintk(1, "\n");
 
         if ((cmd == 0) || ((parameterLen > 0) && (parameter == NULL)) ||
-            ((resultLen > 0) && (result == NULL)))
-                goto error;
+            ((resultLen > 0) && (result == NULL))) {
+                printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+                return status;
+        }
 
         mutex_lock(&state->mutex);
 
diff --git a/drivers/media/rc/winbond-cir.c b/drivers/media/rc/winbond-cir.c
index b09c5fae489..af526586fa2 100644
--- a/drivers/media/rc/winbond-cir.c
+++ b/drivers/media/rc/winbond-cir.c
@@ -1046,6 +1046,7 @@ wbcir_probe(struct pnp_dev *device, const struct pnp_device_id *dev_id)
                 goto exit_unregister_led;
         }
 
+        data->dev->driver_type = RC_DRIVER_IR_RAW;
         data->dev->driver_name = WBCIR_NAME;
         data->dev->input_name = WBCIR_NAME;
         data->dev->input_phys = "wbcir/cir0";
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig
index f2479c5c0eb..ce1e7ba940f 100644
--- a/drivers/media/video/Kconfig
+++ b/drivers/media/video/Kconfig
@@ -492,7 +492,7 @@ config VIDEO_VS6624
 
 config VIDEO_MT9M032
         tristate "MT9M032 camera sensor support"
-        depends on I2C && VIDEO_V4L2
+        depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
         select VIDEO_APTINA_PLL
         ---help---
           This driver supports MT9M032 camera sensors from Aptina, monochrome
diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c
index 5452beef8e1..989e556913e 100644
--- a/drivers/media/video/ivtv/ivtv-ioctl.c
+++ b/drivers/media/video/ivtv/ivtv-ioctl.c
@@ -1763,13 +1763,13 @@ static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg)
                 IVTV_DEBUG_IOCTL("AUDIO_CHANNEL_SELECT\n");
                 if (iarg > AUDIO_STEREO_SWAPPED)
                         return -EINVAL;
-                return v4l2_ctrl_s_ctrl(itv->ctrl_audio_playback, iarg);
+                return v4l2_ctrl_s_ctrl(itv->ctrl_audio_playback, iarg + 1);
 
         case AUDIO_BILINGUAL_CHANNEL_SELECT:
                 IVTV_DEBUG_IOCTL("AUDIO_BILINGUAL_CHANNEL_SELECT\n");
                 if (iarg > AUDIO_STEREO_SWAPPED)
                         return -EINVAL;
-                return v4l2_ctrl_s_ctrl(itv->ctrl_audio_multilingual_playback, iarg);
+                return v4l2_ctrl_s_ctrl(itv->ctrl_audio_multilingual_playback, iarg + 1);
 
         default:
                 return -EINVAL;
diff --git a/drivers/media/video/mt9m032.c b/drivers/media/video/mt9m032.c
index 7636672c354..645973c5feb 100644
--- a/drivers/media/video/mt9m032.c
+++ b/drivers/media/video/mt9m032.c
@@ -392,10 +392,11 @@ static int mt9m032_set_pad_format(struct v4l2_subdev *subdev,
         }
 
         /* Scaling is not supported, the format is thus fixed. */
-        ret = mt9m032_get_pad_format(subdev, fh, fmt);
+        fmt->format = *__mt9m032_get_pad_format(sensor, fh, fmt->which);
+        ret = 0;
 
 done:
-        mutex_lock(&sensor->lock);
+        mutex_unlock(&sensor->lock);
         return ret;
 }
 
diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c
index 4a44f9a1bae..b76b0ac0958 100644
--- a/drivers/media/video/uvc/uvc_video.c
+++ b/drivers/media/video/uvc/uvc_video.c
@@ -468,22 +468,30 @@ uvc_video_clock_decode(struct uvc_streaming *stream, struct uvc_buffer *buf,
         spin_unlock_irqrestore(&stream->clock.lock, flags);
 }
 
-static int uvc_video_clock_init(struct uvc_streaming *stream)
+static void uvc_video_clock_reset(struct uvc_streaming *stream)
 {
         struct uvc_clock *clock = &stream->clock;
 
-        spin_lock_init(&clock->lock);
         clock->head = 0;
         clock->count = 0;
-        clock->size = 32;
         clock->last_sof = -1;
         clock->sof_offset = -1;
+}
+
+static int uvc_video_clock_init(struct uvc_streaming *stream)
+{
+        struct uvc_clock *clock = &stream->clock;
+
+        spin_lock_init(&clock->lock);
+        clock->size = 32;
 
         clock->samples = kmalloc(clock->size * sizeof(*clock->samples),
                                  GFP_KERNEL);
         if (clock->samples == NULL)
                 return -ENOMEM;
 
+        uvc_video_clock_reset(stream);
+
         return 0;
 }
 
@@ -1424,8 +1432,6 @@ static void uvc_uninit_video(struct uvc_streaming *stream, int free_buffers)
 
         if (free_buffers)
                 uvc_free_urb_buffers(stream);
-
-        uvc_video_clock_cleanup(stream);
 }
 
 /*
@@ -1555,10 +1561,6 @@ static int uvc_init_video(struct uvc_streaming *stream, gfp_t gfp_flags)
 
         uvc_video_stats_start(stream);
 
-        ret = uvc_video_clock_init(stream);
-        if (ret < 0)
-                return ret;
-
         if (intf->num_altsetting > 1) {
                 struct usb_host_endpoint *best_ep = NULL;
                 unsigned int best_psize = 3 * 1024;
@@ -1683,6 +1685,8 @@ int uvc_video_resume(struct uvc_streaming *stream, int reset)
 
         stream->frozen = 0;
 
+        uvc_video_clock_reset(stream);
+
         ret = uvc_commit_video(stream, &stream->ctrl);
         if (ret < 0) {
                 uvc_queue_enable(&stream->queue, 0);
@@ -1819,25 +1823,35 @@ int uvc_video_enable(struct uvc_streaming *stream, int enable)
                 uvc_uninit_video(stream, 1);
                 usb_set_interface(stream->dev->udev, stream->intfnum, 0);
                 uvc_queue_enable(&stream->queue, 0);
+                uvc_video_clock_cleanup(stream);
                 return 0;
         }
 
-        ret = uvc_queue_enable(&stream->queue, 1);
+        ret = uvc_video_clock_init(stream);
         if (ret < 0)
                 return ret;
 
+        ret = uvc_queue_enable(&stream->queue, 1);
+        if (ret < 0)
+                goto error_queue;
+
         /* Commit the streaming parameters. */
         ret = uvc_commit_video(stream, &stream->ctrl);
-        if (ret < 0) {
-                uvc_queue_enable(&stream->queue, 0);
-                return ret;
-        }
+        if (ret < 0)
+                goto error_commit;
 
         ret = uvc_init_video(stream, GFP_KERNEL);
-        if (ret < 0) {
-                usb_set_interface(stream->dev->udev, stream->intfnum, 0);
-                uvc_queue_enable(&stream->queue, 0);
-        }
+        if (ret < 0)
+                goto error_video;
+
+        return 0;
+
+error_video:
+        usb_set_interface(stream->dev->udev, stream->intfnum, 0);
+error_commit:
+        uvc_queue_enable(&stream->queue, 0);
+error_queue:
+        uvc_video_clock_cleanup(stream);
 
         return ret;
 }
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 29f463cc09c..11e44386fa9 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -268,10 +268,17 @@ config TWL6030_PWM
           This is used to control charging LED brightness.
 
 config TWL6040_CORE
-        bool
-        depends on TWL4030_CORE && GENERIC_HARDIRQS
+        bool "Support for TWL6040 audio codec"
+        depends on I2C=y && GENERIC_HARDIRQS
         select MFD_CORE
+        select REGMAP_I2C
         default n
+        help
+          Say yes here if you want support for Texas Instruments TWL6040 audio
+          codec.
+          This driver provides common support for accessing the device,
+          additional drivers must be enabled in order to use the
+          functionality of the device (audio, vibra).
 
 config MFD_STMPE
         bool "Support STMicroelectronics STMPE"
diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c
index 1895cf9fab8..1582c3d9525 100644
--- a/drivers/mfd/asic3.c
+++ b/drivers/mfd/asic3.c
@@ -527,7 +527,9 @@ static void asic3_gpio_set(struct gpio_chip *chip,
 
 static int asic3_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
 {
-        return (offset < ASIC3_NUM_GPIOS) ? IRQ_BOARD_START + offset : -ENXIO;
+        struct asic3 *asic = container_of(chip, struct asic3, gpio);
+
+        return (offset < ASIC3_NUM_GPIOS) ? asic->irq_base + offset : -ENXIO;
 }
 
 static __init int asic3_gpio_probe(struct platform_device *pdev,
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c
index ebc1e865822..5be32489714 100644
--- a/drivers/mfd/db8500-prcmu.c
+++ b/drivers/mfd/db8500-prcmu.c
@@ -2788,6 +2788,7 @@ static struct regulator_init_data db8500_regulators[DB8500_NUM_REGULATORS] = {
                 .constraints = {
                         .name = "db8500-vape",
                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+                        .always_on = true,
                 },
                 .consumer_supplies = db8500_vape_consumers,
                 .num_consumer_supplies = ARRAY_SIZE(db8500_vape_consumers),
diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c
index 95a2e546a48..c8aae6640e6 100644
--- a/drivers/mfd/omap-usb-host.c
+++ b/drivers/mfd/omap-usb-host.c
@@ -25,7 +25,6 @@
 #include <linux/clk.h>
 #include <linux/dma-mapping.h>
 #include <linux/spinlock.h>
-#include <linux/gpio.h>
 #include <plat/usb.h>
 #include <linux/pm_runtime.h>
 
@@ -502,19 +501,6 @@ static void omap_usbhs_init(struct device *dev)
         pm_runtime_get_sync(dev);
         spin_lock_irqsave(&omap->lock, flags);
 
-        if (pdata->ehci_data->phy_reset) {
-                if (gpio_is_valid(pdata->ehci_data->reset_gpio_port[0]))
-                        gpio_request_one(pdata->ehci_data->reset_gpio_port[0],
-                                         GPIOF_OUT_INIT_LOW, "USB1 PHY reset");
-
-                if (gpio_is_valid(pdata->ehci_data->reset_gpio_port[1]))
-                        gpio_request_one(pdata->ehci_data->reset_gpio_port[1],
-                                         GPIOF_OUT_INIT_LOW, "USB2 PHY reset");
-
-                /* Hold the PHY in RESET for enough time till DIR is high */
-                udelay(10);
-        }
-
         omap->usbhs_rev = usbhs_read(omap->uhh_base, OMAP_UHH_REVISION);
         dev_dbg(dev, "OMAP UHH_REVISION 0x%x\n", omap->usbhs_rev);
 
@@ -593,39 +579,10 @@ static void omap_usbhs_init(struct device *dev)
                         usbhs_omap_tll_init(dev, OMAP_TLL_CHANNEL_COUNT);
         }
 
-        if (pdata->ehci_data->phy_reset) {
-                /* Hold the PHY in RESET for enough time till
-                 * PHY is settled and ready
-                 */
-                udelay(10);
-
-                if (gpio_is_valid(pdata->ehci_data->reset_gpio_port[0]))
-                        gpio_set_value
-                                (pdata->ehci_data->reset_gpio_port[0], 1);
-
-                if (gpio_is_valid(pdata->ehci_data->reset_gpio_port[1]))
-                        gpio_set_value
-                                (pdata->ehci_data->reset_gpio_port[1], 1);
-        }
-
         spin_unlock_irqrestore(&omap->lock, flags);
         pm_runtime_put_sync(dev);
 }
 
-static void omap_usbhs_deinit(struct device *dev)
-{
-        struct usbhs_hcd_omap           *omap = dev_get_drvdata(dev);
-        struct usbhs_omap_platform_data *pdata = &omap->platdata;
-
-        if (pdata->ehci_data->phy_reset) {
-                if (gpio_is_valid(pdata->ehci_data->reset_gpio_port[0]))
-                        gpio_free(pdata->ehci_data->reset_gpio_port[0]);
-
-                if (gpio_is_valid(pdata->ehci_data->reset_gpio_port[1]))
-                        gpio_free(pdata->ehci_data->reset_gpio_port[1]);
-        }
-}
-
 
 /**
  * usbhs_omap_probe - initialize TI-based HCDs
@@ -860,7 +817,6 @@ static int __devexit usbhs_omap_remove(struct platform_device *pdev)
 {
         struct usbhs_hcd_omap *omap = platform_get_drvdata(pdev);
 
-        omap_usbhs_deinit(&pdev->dev);
         iounmap(omap->tll_base);
         iounmap(omap->uhh_base);
         clk_put(omap->init_60m_fclk);
diff --git a/drivers/mfd/rc5t583.c b/drivers/mfd/rc5t583.c
index 99ef944c621..44afae0a69c 100644
--- a/drivers/mfd/rc5t583.c
+++ b/drivers/mfd/rc5t583.c
@@ -80,44 +80,6 @@ static struct mfd_cell rc5t583_subdevs[] = {
         {.name = "rc5t583-key",      }
 };
 
-int rc5t583_write(struct device *dev, uint8_t reg, uint8_t val)
-{
-        struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
-        return regmap_write(rc5t583->regmap, reg, val);
-}
-
-int rc5t583_read(struct device *dev, uint8_t reg, uint8_t *val)
-{
-        struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
-        unsigned int ival;
-        int ret;
-        ret = regmap_read(rc5t583->regmap, reg, &ival);
-        if (!ret)
-                *val = (uint8_t)ival;
-        return ret;
-}
-
-int rc5t583_set_bits(struct device *dev, unsigned int reg,
-                        unsigned int bit_mask)
-{
-        struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
-        return regmap_update_bits(rc5t583->regmap, reg, bit_mask, bit_mask);
-}
-
-int rc5t583_clear_bits(struct device *dev, unsigned int reg,
-                        unsigned int bit_mask)
-{
-        struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
-        return regmap_update_bits(rc5t583->regmap, reg, bit_mask, 0);
-}
-
-int rc5t583_update(struct device *dev, unsigned int reg,
-                unsigned int val, unsigned int mask)
-{
-        struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
-        return regmap_update_bits(rc5t583->regmap, reg, mask, val);
-}
-
 static int __rc5t583_set_ext_pwrreq1_control(struct device *dev,
         int id, int ext_pwr, int slots)
 {
@@ -197,6 +159,7 @@ int rc5t583_ext_power_req_config(struct device *dev, int ds_id,
                         ds_id, ext_pwr_req);
         return 0;
 }
+EXPORT_SYMBOL(rc5t583_ext_power_req_config);
 
 static int rc5t583_clear_ext_power_req(struct rc5t583 *rc5t583,
         struct rc5t583_platform_data *pdata)
diff --git a/drivers/mfd/twl6040-core.c b/drivers/mfd/twl6040-core.c
index b2d8e512d3c..2d6bedadca0 100644
--- a/drivers/mfd/twl6040-core.c
+++ b/drivers/mfd/twl6040-core.c
@@ -30,7 +30,9 @@
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
 #include <linux/delay.h>
-#include <linux/i2c/twl.h>
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+#include <linux/err.h>
 #include <linux/mfd/core.h>
 #include <linux/mfd/twl6040.h>
 
@@ -39,7 +41,7 @@
 int twl6040_reg_read(struct twl6040 *twl6040, unsigned int reg)
 {
         int ret;
-        u8 val = 0;
+        unsigned int val;
 
         mutex_lock(&twl6040->io_mutex);
         /* Vibra control registers from cache */
@@ -47,7 +49,7 @@ int twl6040_reg_read(struct twl6040 *twl6040, unsigned int reg)
                      reg == TWL6040_REG_VIBCTLR)) {
                 val = twl6040->vibra_ctrl_cache[VIBRACTRL_MEMBER(reg)];
         } else {
-                ret = twl_i2c_read_u8(TWL_MODULE_AUDIO_VOICE, &val, reg);
+                ret = regmap_read(twl6040->regmap, reg, &val);
                 if (ret < 0) {
                         mutex_unlock(&twl6040->io_mutex);
                         return ret;
@@ -64,7 +66,7 @@ int twl6040_reg_write(struct twl6040 *twl6040, unsigned int reg, u8 val)
         int ret;
 
         mutex_lock(&twl6040->io_mutex);
-        ret = twl_i2c_write_u8(TWL_MODULE_AUDIO_VOICE, val, reg);
+        ret = regmap_write(twl6040->regmap, reg, val);
         /* Cache the vibra control registers */
         if (reg == TWL6040_REG_VIBCTLL || reg == TWL6040_REG_VIBCTLR)
                 twl6040->vibra_ctrl_cache[VIBRACTRL_MEMBER(reg)] = val;
@@ -77,16 +79,9 @@ EXPORT_SYMBOL(twl6040_reg_write);
 int twl6040_set_bits(struct twl6040 *twl6040, unsigned int reg, u8 mask)
 {
         int ret;
-        u8 val;
 
         mutex_lock(&twl6040->io_mutex);
-        ret = twl_i2c_read_u8(TWL_MODULE_AUDIO_VOICE, &val, reg);
-        if (ret)
-                goto out;
-
-        val |= mask;
-        ret = twl_i2c_write_u8(TWL_MODULE_AUDIO_VOICE, val, reg);
-out:
+        ret = regmap_update_bits(twl6040->regmap, reg, mask, mask);
         mutex_unlock(&twl6040->io_mutex);
         return ret;
 }
@@ -95,16 +90,9 @@ EXPORT_SYMBOL(twl6040_set_bits);
 int twl6040_clear_bits(struct twl6040 *twl6040, unsigned int reg, u8 mask)
 {
         int ret;
-        u8 val;
 
         mutex_lock(&twl6040->io_mutex);
-        ret = twl_i2c_read_u8(TWL_MODULE_AUDIO_VOICE, &val, reg);
-        if (ret)
-                goto out;
-
-        val &= ~mask;
-        ret = twl_i2c_write_u8(TWL_MODULE_AUDIO_VOICE, val, reg);
-out:
+        ret = regmap_update_bits(twl6040->regmap, reg, mask, 0);
         mutex_unlock(&twl6040->io_mutex);
         return ret;
 }
@@ -494,32 +482,58 @@ static struct resource twl6040_codec_rsrc[] = {
         },
 };
 
-static int __devinit twl6040_probe(struct platform_device *pdev)
+static bool twl6040_readable_reg(struct device *dev, unsigned int reg)
 {
-        struct twl4030_audio_data *pdata = pdev->dev.platform_data;
+        /* Register 0 is not readable */
+        if (!reg)
+                return false;
+        return true;
+}
+
+static struct regmap_config twl6040_regmap_config = {
+        .reg_bits = 8,
+        .val_bits = 8,
+        .max_register = TWL6040_REG_STATUS, /* 0x2e */
+
+        .readable_reg = twl6040_readable_reg,
+};
+
+static int __devinit twl6040_probe(struct i2c_client *client,
+                                     const struct i2c_device_id *id)
+{
+        struct twl6040_platform_data *pdata = client->dev.platform_data;
         struct twl6040 *twl6040;
         struct mfd_cell *cell = NULL;
         int ret, children = 0;
 
         if (!pdata) {
-                dev_err(&pdev->dev, "Platform data is missing\n");
+                dev_err(&client->dev, "Platform data is missing\n");
                 return -EINVAL;
         }
 
         /* In order to operate correctly we need valid interrupt config */
-        if (!pdata->naudint_irq || !pdata->irq_base) {
-                dev_err(&pdev->dev, "Invalid IRQ configuration\n");
+        if (!client->irq || !pdata->irq_base) {
+                dev_err(&client->dev, "Invalid IRQ configuration\n");
                 return -EINVAL;
         }
 
-        twl6040 = kzalloc(sizeof(struct twl6040), GFP_KERNEL);
-        if (!twl6040)
-                return -ENOMEM;
+        twl6040 = devm_kzalloc(&client->dev, sizeof(struct twl6040),
+                               GFP_KERNEL);
+        if (!twl6040) {
+                ret = -ENOMEM;
+                goto err;
+        }
+
+        twl6040->regmap = regmap_init_i2c(client, &twl6040_regmap_config);
+        if (IS_ERR(twl6040->regmap)) {
+                ret = PTR_ERR(twl6040->regmap);
+                goto err;
+        }
 
-        platform_set_drvdata(pdev, twl6040);
+        i2c_set_clientdata(client, twl6040);
 
-        twl6040->dev = &pdev->dev;
-        twl6040->irq = pdata->naudint_irq;
+        twl6040->dev = &client->dev;
+        twl6040->irq = client->irq;
         twl6040->irq_base = pdata->irq_base;
 
         mutex_init(&twl6040->mutex);
@@ -588,12 +602,12 @@ static int __devinit twl6040_probe(struct platform_device *pdev)
         }
 
         if (children) {
-                ret = mfd_add_devices(&pdev->dev, pdev->id, twl6040->cells,
+                ret = mfd_add_devices(&client->dev, -1, twl6040->cells,
                                       children, NULL, 0);
                 if (ret)
                         goto mfd_err;
         } else {
-                dev_err(&pdev->dev, "No platform data found for children\n");
+                dev_err(&client->dev, "No platform data found for children\n");
                 ret = -ENODEV;
                 goto mfd_err;
         }
@@ -608,14 +622,15 @@ gpio2_err:
         if (gpio_is_valid(twl6040->audpwron))
                 gpio_free(twl6040->audpwron);
 gpio1_err:
-        platform_set_drvdata(pdev, NULL);
-        kfree(twl6040);
+        i2c_set_clientdata(client, NULL);
+        regmap_exit(twl6040->regmap);
+err:
         return ret;
 }
 
-static int __devexit twl6040_remove(struct platform_device *pdev)
+static int __devexit twl6040_remove(struct i2c_client *client)
 {
-        struct twl6040 *twl6040 = platform_get_drvdata(pdev);
+        struct twl6040 *twl6040 = i2c_get_clientdata(client);
 
         if (twl6040->power_count)
                 twl6040_power(twl6040, 0);
@@ -626,23 +641,30 @@ static int __devexit twl6040_remove(struct platform_device *pdev)
         free_irq(twl6040->irq_base + TWL6040_IRQ_READY, twl6040);
         twl6040_irq_exit(twl6040);
 
-        mfd_remove_devices(&pdev->dev);
-        platform_set_drvdata(pdev, NULL);
-        kfree(twl6040);
+        mfd_remove_devices(&client->dev);
+        i2c_set_clientdata(client, NULL);
+        regmap_exit(twl6040->regmap);
 
         return 0;
 }
 
-static struct platform_driver twl6040_driver = {
+static const struct i2c_device_id twl6040_i2c_id[] = {
+        { "twl6040", 0, },
+        { },
+};
+MODULE_DEVICE_TABLE(i2c, twl6040_i2c_id);
+
+static struct i2c_driver twl6040_driver = {
+        .driver = {
+                .name = "twl6040",
+                .owner = THIS_MODULE,
+        },
         .probe          = twl6040_probe,
         .remove         = __devexit_p(twl6040_remove),
-        .driver         = {
-                .owner  = THIS_MODULE,
-                .name   = "twl6040",
-        },
+        .id_table       = twl6040_i2c_id,
 };
 
-module_platform_driver(twl6040_driver);
+module_i2c_driver(twl6040_driver);
 
 MODULE_DESCRIPTION("TWL6040 MFD");
 MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>");
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index b1809650b7a..dabec556ebb 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -873,7 +873,7 @@ static int mmc_blk_issue_secdiscard_rq(struct mmc_queue *mq,
 {
         struct mmc_blk_data *md = mq->data;
         struct mmc_card *card = md->queue.card;
-        unsigned int from, nr, arg;
+        unsigned int from, nr, arg, trim_arg, erase_arg;
         int err = 0, type = MMC_BLK_SECDISCARD;
 
         if (!(mmc_can_secure_erase_trim(card) || mmc_can_sanitize(card))) {
@@ -881,20 +881,26 @@ static int mmc_blk_issue_secdiscard_rq(struct mmc_queue *mq,
                 goto out;
         }
 
+        from = blk_rq_pos(req);
+        nr = blk_rq_sectors(req);
+
         /* The sanitize operation is supported at v4.5 only */
         if (mmc_can_sanitize(card)) {
-                err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
-                                EXT_CSD_SANITIZE_START, 1, 0);
-                goto out;
+                erase_arg = MMC_ERASE_ARG;
+                trim_arg = MMC_TRIM_ARG;
+        } else {
+                erase_arg = MMC_SECURE_ERASE_ARG;
+                trim_arg = MMC_SECURE_TRIM1_ARG;
         }
 
-        from = blk_rq_pos(req);
-        nr = blk_rq_sectors(req);
-
-        if (mmc_can_trim(card) && !mmc_erase_group_aligned(card, from, nr))
-                arg = MMC_SECURE_TRIM1_ARG;
-        else
-                arg = MMC_SECURE_ERASE_ARG;
+        if (mmc_erase_group_aligned(card, from, nr))
+                arg = erase_arg;
+        else if (mmc_can_trim(card))
+                arg = trim_arg;
+        else {
+                err = -EINVAL;
+                goto out;
+        }
 retry:
         if (card->quirks & MMC_QUIRK_INAND_CMD38) {
                 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
@@ -904,25 +910,41 @@ retry:
                                  INAND_CMD38_ARG_SECERASE,
                                  0);
                 if (err)
-                        goto out;
+                        goto out_retry;
         }
+
         err = mmc_erase(card, from, nr, arg);
-        if (!err && arg == MMC_SECURE_TRIM1_ARG) {
+        if (err == -EIO)
+                goto out_retry;
+        if (err)
+                goto out;
+
+        if (arg == MMC_SECURE_TRIM1_ARG) {
                 if (card->quirks & MMC_QUIRK_INAND_CMD38) {
                         err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
                                          INAND_CMD38_ARG_EXT_CSD,
                                          INAND_CMD38_ARG_SECTRIM2,
                                          0);
                         if (err)
-                                goto out;
+                                goto out_retry;
                 }
+
                 err = mmc_erase(card, from, nr, MMC_SECURE_TRIM2_ARG);
+                if (err == -EIO)
+                        goto out_retry;
+                if (err)
+                        goto out;
         }
-out:
-        if (err == -EIO && !mmc_blk_reset(md, card->host, type))
+
+        if (mmc_can_sanitize(card))
+                err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
+                                 EXT_CSD_SANITIZE_START, 1, 0);
+out_retry:
+        if (err && !mmc_blk_reset(md, card->host, type))
                 goto retry;
         if (!err)
                 mmc_blk_reset_success(md, type);
+out:
         spin_lock_irq(&md->lock);
         __blk_end_request(req, err, blk_rq_bytes(req));
         spin_unlock_irq(&md->lock);
@@ -1802,7 +1824,7 @@ static void mmc_blk_remove(struct mmc_card *card)
 }
 
 #ifdef CONFIG_PM
-static int mmc_blk_suspend(struct mmc_card *card, pm_message_t state)
+static int mmc_blk_suspend(struct mmc_card *card)
 {
         struct mmc_blk_data *part_md;
         struct mmc_blk_data *md = mmc_get_drvdata(card);
diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index 2517547b436..996f8e36e23 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -139,7 +139,7 @@ static void mmc_queue_setup_discard(struct request_queue *q,
 
         queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, q);
         q->limits.max_discard_sectors = max_discard;
-        if (card->erased_byte == 0)
+        if (card->erased_byte == 0 && !mmc_can_discard(card))
                 q->limits.discard_zeroes_data = 1;
         q->limits.discard_granularity = card->pref_erase << 9;
         /* granularity must not be greater than max. discard */
diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
index 3f606068d55..c60cee92a2b 100644
--- a/drivers/mmc/core/bus.c
+++ b/drivers/mmc/core/bus.c
@@ -122,14 +122,14 @@ static int mmc_bus_remove(struct device *dev)
         return 0;
 }
 
-static int mmc_bus_suspend(struct device *dev, pm_message_t state)
+static int mmc_bus_suspend(struct device *dev)
 {
         struct mmc_driver *drv = to_mmc_driver(dev->driver);
         struct mmc_card *card = mmc_dev_to_card(dev);
         int ret = 0;
 
         if (dev->driver && drv->suspend)
-                ret = drv->suspend(card, state);
+                ret = drv->suspend(card);
         return ret;
 }
 
@@ -165,20 +165,14 @@ static int mmc_runtime_idle(struct device *dev)
         return pm_runtime_suspend(dev);
 }
 
+#endif /* !CONFIG_PM_RUNTIME */
+
 static const struct dev_pm_ops mmc_bus_pm_ops = {
-        .runtime_suspend        = mmc_runtime_suspend,
-        .runtime_resume         = mmc_runtime_resume,
-        .runtime_idle           = mmc_runtime_idle,
+        SET_RUNTIME_PM_OPS(mmc_runtime_suspend, mmc_runtime_resume,
+                        mmc_runtime_idle)
+        SET_SYSTEM_SLEEP_PM_OPS(mmc_bus_suspend, mmc_bus_resume)
 };
 
-#define MMC_PM_OPS_PTR  (&mmc_bus_pm_ops)
-
-#else /* !CONFIG_PM_RUNTIME */
-
-#define MMC_PM_OPS_PTR  NULL
-
-#endif /* !CONFIG_PM_RUNTIME */
-
 static struct bus_type mmc_bus_type = {
         .name           = "mmc",
         .dev_attrs      = mmc_dev_attrs,
@@ -186,9 +180,7 @@ static struct bus_type mmc_bus_type = {
         .uevent         = mmc_bus_uevent,
         .probe          = mmc_bus_probe,
         .remove         = mmc_bus_remove,
-        .suspend        = mmc_bus_suspend,
-        .resume         = mmc_bus_resume,
-        .pm             = MMC_PM_OPS_PTR,
+        .pm             = &mmc_bus_pm_ops,
 };
 
 int mmc_register_bus(void)
diff --git a/drivers/mmc/core/cd-gpio.c b/drivers/mmc/core/cd-gpio.c
index 29de31e260d..2c14be73254 100644
--- a/drivers/mmc/core/cd-gpio.c
+++ b/drivers/mmc/core/cd-gpio.c
@@ -12,6 +12,7 @@
 #include <linux/gpio.h>
 #include <linux/interrupt.h>
 #include <linux/jiffies.h>
+#include <linux/mmc/cd-gpio.h>
 #include <linux/mmc/host.h>
 #include <linux/module.h>
 #include <linux/slab.h>
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 7474c47b9c0..ba821fe70bc 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1409,7 +1409,10 @@ static unsigned int mmc_mmc_erase_timeout(struct mmc_card *card,
 {
         unsigned int erase_timeout;
 
-        if (card->ext_csd.erase_group_def & 1) {
+        if (arg == MMC_DISCARD_ARG ||
+            (arg == MMC_TRIM_ARG && card->ext_csd.rev >= 6)) {
+                erase_timeout = card->ext_csd.trim_timeout;
+        } else if (card->ext_csd.erase_group_def & 1) {
                 /* High Capacity Erase Group Size uses HC timeouts */
                 if (arg == MMC_TRIM_ARG)
                         erase_timeout = card->ext_csd.trim_timeout;
@@ -1681,8 +1684,6 @@ int mmc_can_trim(struct mmc_card *card)
 {
         if (card->ext_csd.sec_feature_support & EXT_CSD_SEC_GB_CL_EN)
                 return 1;
-        if (mmc_can_discard(card))
-                return 1;
         return 0;
 }
 EXPORT_SYMBOL(mmc_can_trim);
@@ -1701,6 +1702,8 @@ EXPORT_SYMBOL(mmc_can_discard);
 
 int mmc_can_sanitize(struct mmc_card *card)
 {
+        if (!mmc_can_trim(card) && !mmc_can_erase(card))
+                return 0;
         if (card->ext_csd.sec_feature_support & EXT_CSD_SEC_SANITIZE)
                 return 1;
         return 0;
@@ -2235,6 +2238,7 @@ int mmc_cache_ctrl(struct mmc_host *host, u8 enable)
                         mmc_card_is_removable(host))
                 return err;
 
+        mmc_claim_host(host);
         if (card && mmc_card_mmc(card) &&
                         (card->ext_csd.cache_size > 0)) {
                 enable = !!enable;
@@ -2252,6 +2256,7 @@ int mmc_cache_ctrl(struct mmc_host *host, u8 enable)
                                 card->ext_csd.cache_ctrl = enable;
                 }
         }
+        mmc_release_host(host);
 
         return err;
 }
@@ -2269,49 +2274,32 @@ int mmc_suspend_host(struct mmc_host *host)
 
         cancel_delayed_work(&host->detect);
         mmc_flush_scheduled_work();
-        if (mmc_try_claim_host(host)) {
-                err = mmc_cache_ctrl(host, 0);
-                mmc_release_host(host);
-        } else {
-                err = -EBUSY;
-        }
 
+        err = mmc_cache_ctrl(host, 0);
         if (err)
                 goto out;
 
         mmc_bus_get(host);
         if (host->bus_ops && !host->bus_dead) {
 
-                /*
-                 * A long response time is not acceptable for device drivers
-                 * when doing suspend. Prevent mmc_claim_host in the suspend
-                 * sequence, to potentially wait "forever" by trying to
-                 * pre-claim the host.
-                 */
-                if (mmc_try_claim_host(host)) {
-                        if (host->bus_ops->suspend) {
-                                err = host->bus_ops->suspend(host);
-                        }
-                        mmc_release_host(host);
+                if (host->bus_ops->suspend)
+                        err = host->bus_ops->suspend(host);
 
-                        if (err == -ENOSYS || !host->bus_ops->resume) {
-                                /*
-                                 * We simply "remove" the card in this case.
-                                 * It will be redetected on resume.  (Calling
-                                 * bus_ops->remove() with a claimed host can
-                                 * deadlock.)
-                                 */
-                                if (host->bus_ops->remove)
-                                        host->bus_ops->remove(host);
-                                mmc_claim_host(host);
-                                mmc_detach_bus(host);
-                                mmc_power_off(host);
-                                mmc_release_host(host);
-                                host->pm_flags = 0;
-                                err = 0;
-                        }
-                } else {
-                        err = -EBUSY;
+                if (err == -ENOSYS || !host->bus_ops->resume) {
+                        /*
+                         * We simply "remove" the card in this case.
+                         * It will be redetected on resume.  (Calling
+                         * bus_ops->remove() with a claimed host can
+                         * deadlock.)
+                         */
+                        if (host->bus_ops->remove)
+                                host->bus_ops->remove(host);
+                        mmc_claim_host(host);
+                        mmc_detach_bus(host);
+                        mmc_power_off(host);
+                        mmc_release_host(host);
+                        host->pm_flags = 0;
+                        err = 0;
                 }
         }
         mmc_bus_put(host);
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index bf3c9b456aa..ab3fc461710 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -526,8 +526,10 @@ static int dw_mci_submit_data_dma(struct dw_mci *host, struct mmc_data *data)
                 return -ENODEV;
 
         sg_len = dw_mci_pre_dma_transfer(host, data, 0);
-        if (sg_len < 0)
+        if (sg_len < 0) {
+                host->dma_ops->stop(host);
                 return sg_len;
+        }
 
         host->using_dma = 1;
 
@@ -1879,7 +1881,8 @@ static void dw_mci_init_dma(struct dw_mci *host)
         if (!host->dma_ops)
                 goto no_dma;
 
-        if (host->dma_ops->init) {
+        if (host->dma_ops->init && host->dma_ops->start &&
+            host->dma_ops->stop && host->dma_ops->cleanup) {
                 if (host->dma_ops->init(host)) {
                         dev_err(&host->dev, "%s: Unable to initialize "
                                 "DMA Controller.\n", __func__);
diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
index b0f2ef98818..e3f5af96ab8 100644
--- a/drivers/mmc/host/mxs-mmc.c
+++ b/drivers/mmc/host/mxs-mmc.c
@@ -363,6 +363,7 @@ static void mxs_mmc_bc(struct mxs_mmc_host *host)
                 goto out;
 
         dmaengine_submit(desc);
+        dma_async_issue_pending(host->dmach);
         return;
 
 out:
@@ -403,6 +404,7 @@ static void mxs_mmc_ac(struct mxs_mmc_host *host)
                 goto out;
 
         dmaengine_submit(desc);
+        dma_async_issue_pending(host->dmach);
         return;
 
 out:
@@ -531,6 +533,7 @@ static void mxs_mmc_adtc(struct mxs_mmc_host *host)
                 goto out;
 
         dmaengine_submit(desc);
+        dma_async_issue_pending(host->dmach);
         return;
 out:
         dev_warn(mmc_dev(host->mmc),
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 5c2b1c10af9..56d4499d438 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -249,7 +249,7 @@ static int omap_hsmmc_set_power(struct device *dev, int slot, int power_on,
          * the pbias cell programming support is still missing when
          * booting with Device tree
          */
-        if (of_have_populated_dt() && !vdd)
+        if (dev->of_node && !vdd)
                 return 0;
 
         if (mmc_slot(host).before_set_reg)
@@ -1549,7 +1549,7 @@ static void omap_hsmmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
                          * can't be allowed when booting with device
                          * tree.
                          */
-                        (!of_have_populated_dt())) {
+                        !host->dev->of_node) {
                                 /*
                                  * The mmc_select_voltage fn of the core does
                                  * not seem to set the power_mode to
@@ -1741,7 +1741,7 @@ static const struct of_device_id omap_mmc_of_match[] = {
                 .data = &omap4_reg_offset,
         },
         {},
-}
+};
 MODULE_DEVICE_TABLE(of, omap_mmc_of_match);
 
 static struct omap_mmc_platform_data *of_get_hsmmc_pdata(struct device *dev)
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 6193a0d7bde..8abdaf6697a 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -467,8 +467,7 @@ static int __devinit sdhci_esdhc_imx_probe(struct platform_device *pdev)
         clk_prepare_enable(clk);
         pltfm_host->clk = clk;
 
-        if (!is_imx25_esdhc(imx_data))
-                host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
+        host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
 
         if (is_imx25_esdhc(imx_data) || is_imx35_esdhc(imx_data))
                 /* Fix errata ENGcm07207 present on i.MX25 and i.MX35 */
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 9aa77f3f04a..ccefdebeff1 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -147,7 +147,7 @@ static void sdhci_set_card_detection(struct sdhci_host *host, bool enable)
         u32 present, irqs;
 
         if ((host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION) ||
-            !mmc_card_is_removable(host->mmc))
+            (host->mmc->caps & MMC_CAP_NONREMOVABLE))
                 return;
 
         present = sdhci_readl(host, SDHCI_PRESENT_STATE) &
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 94eb05b1afd..58fc65f5c81 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -106,16 +106,14 @@ static int mtdchar_open(struct inode *inode, struct file *file)
         }
 
         if (mtd->type == MTD_ABSENT) {
-                put_mtd_device(mtd);
                 ret = -ENODEV;
-                goto out;
+                goto out1;
         }
 
         mtd_ino = iget_locked(mnt->mnt_sb, devnum);
         if (!mtd_ino) {
-                put_mtd_device(mtd);
                 ret = -ENOMEM;
-                goto out;
+                goto out1;
         }
         if (mtd_ino->i_state & I_NEW) {
                 mtd_ino->i_private = mtd;
@@ -127,23 +125,25 @@ static int mtdchar_open(struct inode *inode, struct file *file)
 
         /* You can't open it RW if it's not a writeable device */
         if ((file->f_mode & FMODE_WRITE) && !(mtd->flags & MTD_WRITEABLE)) {
-                iput(mtd_ino);
-                put_mtd_device(mtd);
                 ret = -EACCES;
-                goto out;
+                goto out2;
         }
 
         mfi = kzalloc(sizeof(*mfi), GFP_KERNEL);
         if (!mfi) {
-                iput(mtd_ino);
-                put_mtd_device(mtd);
                 ret = -ENOMEM;
-                goto out;
+                goto out2;
         }
         mfi->ino = mtd_ino;
         mfi->mtd = mtd;
         file->private_data = mfi;
+        mutex_unlock(&mtd_mutex);
+        return 0;
 
+out2:
+        iput(mtd_ino);
+out1:
+        put_mtd_device(mtd);
 out:
         mutex_unlock(&mtd_mutex);
         simple_release_fs(&mnt, &count);
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index 75b1dde1635..9ec51cec2e1 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -266,6 +266,7 @@ int start_dma_without_bch_irq(struct gpmi_nand_data *this,
         desc->callback          = dma_irq_callback;
         desc->callback_param    = this;
         dmaengine_submit(desc);
+        dma_async_issue_pending(get_dma_chan(this));
 
         /* Wait for the interrupt from the DMA block. */
         err = wait_for_completion_timeout(dma_c, msecs_to_jiffies(1000));
diff --git a/drivers/net/arcnet/arc-rimi.c b/drivers/net/arcnet/arc-rimi.c
index 25197b698dd..b8b4c7ba884 100644
--- a/drivers/net/arcnet/arc-rimi.c
+++ b/drivers/net/arcnet/arc-rimi.c
@@ -89,16 +89,16 @@ static int __init arcrimi_probe(struct net_device *dev)
         BUGLVL(D_NORMAL) printk(VERSION);
         BUGLVL(D_NORMAL) printk("E-mail me if you actually test the RIM I driver, please!\n");
 
-        BUGMSG(D_NORMAL, "Given: node %02Xh, shmem %lXh, irq %d\n",
+        BUGLVL(D_NORMAL) printk("Given: node %02Xh, shmem %lXh, irq %d\n",
                dev->dev_addr[0], dev->mem_start, dev->irq);
 
         if (dev->mem_start <= 0 || dev->irq <= 0) {
-                BUGMSG(D_NORMAL, "No autoprobe for RIM I; you "
+                BUGLVL(D_NORMAL) printk("No autoprobe for RIM I; you "
                        "must specify the shmem and irq!\n");
                 return -ENODEV;
         }
         if (dev->dev_addr[0] == 0) {
-                BUGMSG(D_NORMAL, "You need to specify your card's station "
+                BUGLVL(D_NORMAL) printk("You need to specify your card's station "
                        "ID!\n");
                 return -ENODEV;
         }
@@ -109,7 +109,7 @@ static int __init arcrimi_probe(struct net_device *dev)
          * will be taken.
          */
         if (!request_mem_region(dev->mem_start, MIRROR_SIZE, "arcnet (90xx)")) {
-                BUGMSG(D_NORMAL, "Card memory already allocated\n");
+                BUGLVL(D_NORMAL) printk("Card memory already allocated\n");
                 return -ENODEV;
         }
         return arcrimi_found(dev);
diff --git a/drivers/net/caif/caif_hsi.c b/drivers/net/caif/caif_hsi.c
index 9a66e2a910a..9c1c8cd5223 100644
--- a/drivers/net/caif/caif_hsi.c
+++ b/drivers/net/caif/caif_hsi.c
@@ -744,14 +744,14 @@ static void cfhsi_wake_up(struct work_struct *work)
                 size_t fifo_occupancy = 0;
 
                 /* Wakeup timeout */
-                dev_err(&cfhsi->ndev->dev, "%s: Timeout.\n",
+                dev_dbg(&cfhsi->ndev->dev, "%s: Timeout.\n",
                         __func__);
 
                 /* Check FIFO to check if modem has sent something. */
                 WARN_ON(cfhsi->dev->cfhsi_fifo_occupancy(cfhsi->dev,
                                         &fifo_occupancy));
 
-                dev_err(&cfhsi->ndev->dev, "%s: Bytes in FIFO: %u.\n",
+                dev_dbg(&cfhsi->ndev->dev, "%s: Bytes in FIFO: %u.\n",
                                 __func__, (unsigned) fifo_occupancy);
 
                 /* Check if we misssed the interrupt. */
@@ -1210,7 +1210,7 @@ int cfhsi_probe(struct platform_device *pdev)
 
 static void cfhsi_shutdown(struct cfhsi *cfhsi)
 {
-        u8 *tx_buf, *rx_buf;
+        u8 *tx_buf, *rx_buf, *flip_buf;
 
         /* Stop TXing */
         netif_tx_stop_all_queues(cfhsi->ndev);
@@ -1234,7 +1234,7 @@ static void cfhsi_shutdown(struct cfhsi *cfhsi)
         /* Store bufferes: will be freed later. */
         tx_buf = cfhsi->tx_buf;
         rx_buf = cfhsi->rx_buf;
-
+        flip_buf = cfhsi->rx_flip_buf;
         /* Flush transmit queues. */
         cfhsi_abort_tx(cfhsi);
 
@@ -1247,6 +1247,7 @@ static void cfhsi_shutdown(struct cfhsi *cfhsi)
         /* Free buffers. */
         kfree(tx_buf);
         kfree(rx_buf);
+        kfree(flip_buf);
 }
 
 int cfhsi_remove(struct platform_device *pdev)
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
index 5234586dff1..629c4ba5d49 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
@@ -875,6 +875,7 @@ static int pcan_usb_pro_init(struct peak_usb_device *dev)
                                             PCAN_USBPRO_INFO_FW,
                                             &fi, sizeof(fi));
                 if (err) {
+                        kfree(usb_if);
                         dev_err(dev->netdev->dev.parent,
                                 "unable to read %s firmware info (err %d)\n",
                                 pcan_usb_pro.name, err);
@@ -885,6 +886,7 @@ static int pcan_usb_pro_init(struct peak_usb_device *dev)
                                             PCAN_USBPRO_INFO_BL,
                                             &bi, sizeof(bi));
                 if (err) {
+                        kfree(usb_if);
                         dev_err(dev->netdev->dev.parent,
                                 "unable to read %s bootloader info (err %d)\n",
                                 pcan_usb_pro.name, err);
diff --git a/drivers/net/dummy.c b/drivers/net/dummy.c
index d5c6d92f1ee..442d91a2747 100644
--- a/drivers/net/dummy.c
+++ b/drivers/net/dummy.c
@@ -107,14 +107,14 @@ static int dummy_dev_init(struct net_device *dev)
         return 0;
 }
 
-static void dummy_dev_free(struct net_device *dev)
+static void dummy_dev_uninit(struct net_device *dev)
 {
         free_percpu(dev->dstats);
-        free_netdev(dev);
 }
 
 static const struct net_device_ops dummy_netdev_ops = {
         .ndo_init               = dummy_dev_init,
+        .ndo_uninit             = dummy_dev_uninit,
         .ndo_start_xmit         = dummy_xmit,
         .ndo_validate_addr      = eth_validate_addr,
         .ndo_set_rx_mode        = set_multicast_list,
@@ -128,7 +128,7 @@ static void dummy_setup(struct net_device *dev)
 
         /* Initialize the device structure. */
         dev->netdev_ops = &dummy_netdev_ops;
-        dev->destructor = dummy_dev_free;
+        dev->destructor = free_netdev;
 
         /* Fill in device structure with ethernet-generic values. */
         dev->tx_queue_len = 0;
diff --git a/drivers/net/ethernet/atheros/atlx/atl1.c b/drivers/net/ethernet/atheros/atlx/atl1.c
index 40ac4143654..c926857e820 100644
--- a/drivers/net/ethernet/atheros/atlx/atl1.c
+++ b/drivers/net/ethernet/atheros/atlx/atl1.c
@@ -2476,7 +2476,7 @@ static irqreturn_t atl1_intr(int irq, void *data)
                                         "pcie phy link down %x\n", status);
                         if (netif_running(adapter->netdev)) {   /* reset MAC */
                                 iowrite32(0, adapter->hw.hw_addr + REG_IMR);
-                                schedule_work(&adapter->pcie_dma_to_rst_task);
+                                schedule_work(&adapter->reset_dev_task);
                                 return IRQ_HANDLED;
                         }
                 }
@@ -2488,7 +2488,7 @@ static irqreturn_t atl1_intr(int irq, void *data)
                                         "pcie DMA r/w error (status = 0x%x)\n",
                                         status);
                         iowrite32(0, adapter->hw.hw_addr + REG_IMR);
-                        schedule_work(&adapter->pcie_dma_to_rst_task);
+                        schedule_work(&adapter->reset_dev_task);
                         return IRQ_HANDLED;
                 }
 
@@ -2633,10 +2633,10 @@ static void atl1_down(struct atl1_adapter *adapter)
         atl1_clean_rx_ring(adapter);
 }
 
-static void atl1_tx_timeout_task(struct work_struct *work)
+static void atl1_reset_dev_task(struct work_struct *work)
 {
         struct atl1_adapter *adapter =
-                container_of(work, struct atl1_adapter, tx_timeout_task);
+                container_of(work, struct atl1_adapter, reset_dev_task);
         struct net_device *netdev = adapter->netdev;
 
         netif_device_detach(netdev);
@@ -3038,12 +3038,10 @@ static int __devinit atl1_probe(struct pci_dev *pdev,
                     (unsigned long)adapter);
         adapter->phy_timer_pending = false;
 
-        INIT_WORK(&adapter->tx_timeout_task, atl1_tx_timeout_task);
+        INIT_WORK(&adapter->reset_dev_task, atl1_reset_dev_task);
 
         INIT_WORK(&adapter->link_chg_task, atlx_link_chg_task);
 
-        INIT_WORK(&adapter->pcie_dma_to_rst_task, atl1_tx_timeout_task);
-
         err = register_netdev(netdev);
         if (err)
                 goto err_common;
diff --git a/drivers/net/ethernet/atheros/atlx/atl1.h b/drivers/net/ethernet/atheros/atlx/atl1.h
index 109d6da8be9..e04bf4d71e4 100644
--- a/drivers/net/ethernet/atheros/atlx/atl1.h
+++ b/drivers/net/ethernet/atheros/atlx/atl1.h
@@ -758,9 +758,8 @@ struct atl1_adapter {
         u16 link_speed;
         u16 link_duplex;
         spinlock_t lock;
-        struct work_struct tx_timeout_task;
+        struct work_struct reset_dev_task;
         struct work_struct link_chg_task;
-        struct work_struct pcie_dma_to_rst_task;
 
         struct timer_list phy_config_timer;
         bool phy_timer_pending;
diff --git a/drivers/net/ethernet/atheros/atlx/atlx.c b/drivers/net/ethernet/atheros/atlx/atlx.c
index 3cd8837236d..c9e9dc57986 100644
--- a/drivers/net/ethernet/atheros/atlx/atlx.c
+++ b/drivers/net/ethernet/atheros/atlx/atlx.c
@@ -194,7 +194,7 @@ static void atlx_tx_timeout(struct net_device *netdev)
 {
         struct atlx_adapter *adapter = netdev_priv(netdev);
         /* Do the reset outside of interrupt context */
-        schedule_work(&adapter->tx_timeout_task);
+        schedule_work(&adapter->reset_dev_task);
 }
 
 /*
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
index ad95324dc04..64392ec410a 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
@@ -942,6 +942,12 @@ static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
         const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
                 DCBX_E3B0_MAX_NUM_COS_PORT0;
 
+        if (pri >= max_num_of_cos) {
+                DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
+                   "parameter Illegal strict priority\n");
+            return -EINVAL;
+        }
+
         if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
                 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
                                    "parameter There can't be two COS's with "
@@ -949,12 +955,6 @@ static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
                 return -EINVAL;
         }
 
-        if (pri > max_num_of_cos) {
-                DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
-                   "parameter Illegal strict priority\n");
-            return -EINVAL;
-        }
-
         sp_pri_to_cos[pri] = cos_entry;
         return 0;
 
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index 64c76443a7a..b461c24945e 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
@@ -1310,10 +1310,6 @@ static s32 e1000_oem_bits_config_ich8lan(struct e1000_hw *hw, bool d0_state)
 
                 if (mac_reg & E1000_PHY_CTRL_D0A_LPLU)
                         oem_reg |= HV_OEM_BITS_LPLU;
-
-                /* Set Restart auto-neg to activate the bits */
-                if (!hw->phy.ops.check_reset_block(hw))
-                        oem_reg |= HV_OEM_BITS_RESTART_AN;
         } else {
                 if (mac_reg & (E1000_PHY_CTRL_GBE_DISABLE |
                                E1000_PHY_CTRL_NOND0A_GBE_DISABLE))
@@ -1324,6 +1320,11 @@ static s32 e1000_oem_bits_config_ich8lan(struct e1000_hw *hw, bool d0_state)
                         oem_reg |= HV_OEM_BITS_LPLU;
         }
 
+        /* Set Restart auto-neg to activate the bits */
+        if ((d0_state || (hw->mac.type != e1000_pchlan)) &&
+            !hw->phy.ops.check_reset_block(hw))
+                oem_reg |= HV_OEM_BITS_RESTART_AN;
+
         ret_val = hw->phy.ops.write_reg_locked(hw, HV_OEM_BITS, oem_reg);
 
 release:
@@ -3682,7 +3683,11 @@ void e1000_suspend_workarounds_ich8lan(struct e1000_hw *hw)
 
         if (hw->mac.type >= e1000_pchlan) {
                 e1000_oem_bits_config_ich8lan(hw, false);
-                e1000_phy_hw_reset_ich8lan(hw);
+
+                /* Reset PHY to activate OEM bits on 82577/8 */
+                if (hw->mac.type == e1000_pchlan)
+                        e1000e_phy_hw_reset_generic(hw);
+
                 ret_val = hw->phy.ops.acquire(hw);
                 if (ret_val)
                         return;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
index 027d7a75be3..ed1b47dc083 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
@@ -622,6 +622,16 @@ static int ixgbe_alloc_q_vector(struct ixgbe_adapter *adapter, int v_idx,
                 if (adapter->hw.mac.type == ixgbe_mac_82599EB)
                         set_bit(__IXGBE_RX_CSUM_UDP_ZERO_ERR, &ring->state);
 
+#ifdef IXGBE_FCOE
+                if (adapter->netdev->features & NETIF_F_FCOE_MTU) {
+                        struct ixgbe_ring_feature *f;
+                        f = &adapter->ring_feature[RING_F_FCOE];
+                        if ((rxr_idx >= f->mask) &&
+                            (rxr_idx < f->mask + f->indices))
+                                set_bit(__IXGBE_RX_FCOE_BUFSZ, &ring->state);
+                }
+
+#endif /* IXGBE_FCOE */
                 /* apply Rx specific ring traits */
                 ring->count = adapter->rx_ring_count;
                 ring->queue_index = rxr_idx;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 3e26b1f9ac7..a7f3cd872ca 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -3154,14 +3154,6 @@ static void ixgbe_set_rx_buffer_len(struct ixgbe_adapter *adapter)
                         set_ring_rsc_enabled(rx_ring);
                 else
                         clear_ring_rsc_enabled(rx_ring);
-#ifdef IXGBE_FCOE
-                if (netdev->features & NETIF_F_FCOE_MTU) {
-                        struct ixgbe_ring_feature *f;
-                        f = &adapter->ring_feature[RING_F_FCOE];
-                        if ((i >= f->mask) && (i < f->mask + f->indices))
-                                set_bit(__IXGBE_RX_FCOE_BUFSZ, &rx_ring->state);
-                }
-#endif /* IXGBE_FCOE */
         }
 }
 
@@ -4836,7 +4828,9 @@ static int ixgbe_resume(struct pci_dev *pdev)
 
         pci_wake_from_d3(pdev, false);
 
+        rtnl_lock();
         err = ixgbe_init_interrupt_scheme(adapter);
+        rtnl_unlock();
         if (err) {
                 e_dev_err("Cannot initialize interrupts for device\n");
                 return err;
@@ -4893,6 +4887,16 @@ static int __ixgbe_shutdown(struct pci_dev *pdev, bool *enable_wake)
         if (wufc) {
                 ixgbe_set_rx_mode(netdev);
 
+                /*
+                 * enable the optics for both mult-speed fiber and
+                 * 82599 SFP+ fiber as we can WoL.
+                 */
+                if (hw->mac.ops.enable_tx_laser &&
+                    (hw->phy.multispeed_fiber ||
+                    (hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber &&
+                     hw->mac.type == ixgbe_mac_82599EB)))
+                        hw->mac.ops.enable_tx_laser(hw);
+
                 /* turn on all-multi mode if wake on multicast is enabled */
                 if (wufc & IXGBE_WUFC_MC) {
                         fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL);
diff --git a/drivers/net/ethernet/micrel/ks8851.c b/drivers/net/ethernet/micrel/ks8851.c
index c722aa607d0..f8dda009d3c 100644
--- a/drivers/net/ethernet/micrel/ks8851.c
+++ b/drivers/net/ethernet/micrel/ks8851.c
@@ -889,16 +889,17 @@ static int ks8851_net_stop(struct net_device *dev)
         netif_stop_queue(dev);
 
         mutex_lock(&ks->lock);
+        /* turn off the IRQs and ack any outstanding */
+        ks8851_wrreg16(ks, KS_IER, 0x0000);
+        ks8851_wrreg16(ks, KS_ISR, 0xffff);
+        mutex_unlock(&ks->lock);
 
         /* stop any outstanding work */
         flush_work(&ks->irq_work);
         flush_work(&ks->tx_work);
         flush_work(&ks->rxctrl_work);
 
-        /* turn off the IRQs and ack any outstanding */
-        ks8851_wrreg16(ks, KS_IER, 0x0000);
-        ks8851_wrreg16(ks, KS_ISR, 0xffff);
-
+        mutex_lock(&ks->lock);
         /* shutdown RX process */
         ks8851_wrreg16(ks, KS_RXCR1, 0x0000);
 
@@ -907,6 +908,7 @@ static int ks8851_net_stop(struct net_device *dev)
 
         /* set powermode to soft power down to save power */
         ks8851_set_powermode(ks, PMECR_PM_SOFTDOWN);
+        mutex_unlock(&ks->lock);
 
         /* ensure any queued tx buffers are dumped */
         while (!skb_queue_empty(&ks->txq)) {
@@ -918,7 +920,6 @@ static int ks8851_net_stop(struct net_device *dev)
                 dev_kfree_skb(txb);
         }
 
-        mutex_unlock(&ks->lock);
         return 0;
 }
 
@@ -1418,6 +1419,7 @@ static int __devinit ks8851_probe(struct spi_device *spi)
         struct net_device *ndev;
         struct ks8851_net *ks;
         int ret;
+        unsigned cider;
 
         ndev = alloc_etherdev(sizeof(struct ks8851_net));
         if (!ndev)
@@ -1484,8 +1486,8 @@ static int __devinit ks8851_probe(struct spi_device *spi)
         ks8851_soft_reset(ks, GRR_GSR);
 
         /* simple check for a valid chip being connected to the bus */
-
-        if ((ks8851_rdreg16(ks, KS_CIDER) & ~CIDER_REV_MASK) != CIDER_ID) {
+        cider = ks8851_rdreg16(ks, KS_CIDER);
+        if ((cider & ~CIDER_REV_MASK) != CIDER_ID) {
                 dev_err(&spi->dev, "failed to read device ID\n");
                 ret = -ENODEV;
                 goto err_id;
@@ -1516,15 +1518,14 @@ static int __devinit ks8851_probe(struct spi_device *spi)
         }
 
         netdev_info(ndev, "revision %d, MAC %pM, IRQ %d, %s EEPROM\n",
-                    CIDER_REV_GET(ks8851_rdreg16(ks, KS_CIDER)),
-                    ndev->dev_addr, ndev->irq,
+                    CIDER_REV_GET(cider), ndev->dev_addr, ndev->irq,
                     ks->rc_ccr & CCR_EEPROM ? "has" : "no");
 
         return 0;
 
 
 err_netdev:
-        free_irq(ndev->irq, ndev);
+        free_irq(ndev->irq, ks);
 
 err_id:
 err_irq:
diff --git a/drivers/net/ethernet/micrel/ks8851_mll.c b/drivers/net/ethernet/micrel/ks8851_mll.c
index b8104d9f408..5ffde23ac8f 100644
--- a/drivers/net/ethernet/micrel/ks8851_mll.c
+++ b/drivers/net/ethernet/micrel/ks8851_mll.c
@@ -40,7 +40,7 @@
 #define DRV_NAME        "ks8851_mll"
 
 static u8 KS_DEFAULT_MAC_ADDRESS[] = { 0x00, 0x10, 0xA1, 0x86, 0x95, 0x11 };
-#define MAX_RECV_FRAMES                 32
+#define MAX_RECV_FRAMES                 255
 #define MAX_BUF_SIZE                    2048
 #define TX_BUF_SIZE                     2000
 #define RX_BUF_SIZE                     2000
diff --git a/drivers/net/ethernet/micrel/ksz884x.c b/drivers/net/ethernet/micrel/ksz884x.c
index ef723b185d8..eaf9ff0262a 100644
--- a/drivers/net/ethernet/micrel/ksz884x.c
+++ b/drivers/net/ethernet/micrel/ksz884x.c
@@ -5675,7 +5675,7 @@ static int netdev_set_mac_address(struct net_device *dev, void *addr)
                 memcpy(hw->override_addr, mac->sa_data, ETH_ALEN);
         }
 
-        memcpy(dev->dev_addr, mac->sa_data, MAX_ADDR_LEN);
+        memcpy(dev->dev_addr, mac->sa_data, ETH_ALEN);
 
         interrupt = hw_block_intr(hw);
 
diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c
index abc79076f86..b3287c0fe27 100644
--- a/drivers/net/ethernet/realtek/8139cp.c
+++ b/drivers/net/ethernet/realtek/8139cp.c
@@ -958,6 +958,11 @@ static inline void cp_start_hw (struct cp_private *cp)
         cpw8(Cmd, RxOn | TxOn);
 }
 
+static void cp_enable_irq(struct cp_private *cp)
+{
+        cpw16_f(IntrMask, cp_intr_mask);
+}
+
 static void cp_init_hw (struct cp_private *cp)
 {
         struct net_device *dev = cp->dev;
@@ -997,8 +1002,6 @@ static void cp_init_hw (struct cp_private *cp)
 
         cpw16(MultiIntr, 0);
 
-        cpw16_f(IntrMask, cp_intr_mask);
-
         cpw8_f(Cfg9346, Cfg9346_Lock);
 }
 
@@ -1130,6 +1133,8 @@ static int cp_open (struct net_device *dev)
         if (rc)
                 goto err_out_hw;
 
+        cp_enable_irq(cp);
+
         netif_carrier_off(dev);
         mii_check_media(&cp->mii_if, netif_msg_link(cp), true);
         netif_start_queue(dev);
@@ -2031,6 +2036,7 @@ static int cp_resume (struct pci_dev *pdev)
         /* FIXME: sh*t may happen if the Rx ring buffer is depleted */
         cp_init_rings_index (cp);
         cp_init_hw (cp);
+        cp_enable_irq(cp);
         netif_start_queue (dev);
 
         spin_lock_irqsave (&cp->lock, flags);
diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c
index 4a697102707..cd3defb11ff 100644
--- a/drivers/net/ethernet/smsc/smsc911x.c
+++ b/drivers/net/ethernet/smsc/smsc911x.c
@@ -1166,10 +1166,8 @@ smsc911x_rx_counterrors(struct net_device *dev, unsigned int rxstat)
 
 /* Quickly dumps bad packets */
 static void
-smsc911x_rx_fastforward(struct smsc911x_data *pdata, unsigned int pktbytes)
+smsc911x_rx_fastforward(struct smsc911x_data *pdata, unsigned int pktwords)
 {
-        unsigned int pktwords = (pktbytes + NET_IP_ALIGN + 3) >> 2;
-
         if (likely(pktwords >= 4)) {
                 unsigned int timeout = 500;
                 unsigned int val;
@@ -1233,7 +1231,7 @@ static int smsc911x_poll(struct napi_struct *napi, int budget)
                         continue;
                 }
 
-                skb = netdev_alloc_skb(dev, pktlength + NET_IP_ALIGN);
+                skb = netdev_alloc_skb(dev, pktwords << 2);
                 if (unlikely(!skb)) {
                         SMSC_WARN(pdata, rx_err,
                                   "Unable to allocate skb for rx packet");
@@ -1243,14 +1241,12 @@ static int smsc911x_poll(struct napi_struct *napi, int budget)
                         break;
                 }
 
-                skb->data = skb->head;
-                skb_reset_tail_pointer(skb);
+                pdata->ops->rx_readfifo(pdata,
+                                 (unsigned int *)skb->data, pktwords);
 
                 /* Align IP on 16B boundary */
                 skb_reserve(skb, NET_IP_ALIGN);
                 skb_put(skb, pktlength - 4);
-                pdata->ops->rx_readfifo(pdata,
-                                 (unsigned int *)skb->head, pktwords);
                 skb->protocol = eth_type_trans(skb, dev);
                 skb_checksum_none_assert(skb);
                 netif_receive_skb(skb);
@@ -1565,7 +1561,7 @@ static int smsc911x_open(struct net_device *dev)
         smsc911x_reg_write(pdata, FIFO_INT, temp);
 
         /* set RX Data offset to 2 bytes for alignment */
-        smsc911x_reg_write(pdata, RX_CFG, (2 << 8));
+        smsc911x_reg_write(pdata, RX_CFG, (NET_IP_ALIGN << 8));
 
         /* enable NAPI polling before enabling RX interrupts */
         napi_enable(&pdata->napi);
@@ -2382,7 +2378,6 @@ static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
         SET_NETDEV_DEV(dev, &pdev->dev);
 
         pdata = netdev_priv(dev);
-
         dev->irq = irq_res->start;
         irq_flags = irq_res->flags & IRQF_TRIGGER_MASK;
         pdata->ioaddr = ioremap_nocache(res->start, res_size);
@@ -2446,7 +2441,7 @@ static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
         if (retval) {
                 SMSC_WARN(pdata, probe,
                           "Unable to claim requested irq: %d", dev->irq);
-                goto out_free_irq;
+                goto out_disable_resources;
         }
 
         retval = register_netdev(dev);
diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c
index 2757c7d6e63..e4e47088e26 100644
--- a/drivers/net/ethernet/ti/davinci_mdio.c
+++ b/drivers/net/ethernet/ti/davinci_mdio.c
@@ -181,6 +181,11 @@ static inline int wait_for_user_access(struct davinci_mdio_data *data)
                 __davinci_mdio_reset(data);
                 return -EAGAIN;
         }
+
+        reg = __raw_readl(&regs->user[0].access);
+        if ((reg & USERACCESS_GO) == 0)
+                return 0;
+
         dev_err(data->dev, "timed out waiting for user access\n");
         return -ETIMEDOUT;
 }
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet.h b/drivers/net/ethernet/xilinx/xilinx_axienet.h
index cc83af083fd..44b8d2bad8c 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet.h
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet.h
@@ -2,9 +2,7 @@
  * Definitions for Xilinx Axi Ethernet device driver.
  *
  * Copyright (c) 2009 Secret Lab Technologies, Ltd.
- * Copyright (c) 2010 Xilinx, Inc. All rights reserved.
- * Copyright (c) 2012 Daniel Borkmann, <daniel.borkmann@tik.ee.ethz.ch>
- * Copyright (c) 2012 Ariane Keller, <ariane.keller@tik.ee.ethz.ch>
+ * Copyright (c) 2010 - 2012 Xilinx, Inc. All rights reserved.
  */
 
 #ifndef XILINX_AXIENET_H
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
index 2fcbeba6814..9c365e192a3 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
@@ -4,9 +4,9 @@
  * Copyright (c) 2008 Nissin Systems Co., Ltd.,  Yoshio Kashiwagi
  * Copyright (c) 2005-2008 DLA Systems,  David H. Lynch Jr. <dhlii@dlasys.net>
  * Copyright (c) 2008-2009 Secret Lab Technologies Ltd.
- * Copyright (c) 2010 Xilinx, Inc. All rights reserved.
- * Copyright (c) 2012 Daniel Borkmann, <daniel.borkmann@tik.ee.ethz.ch>
- * Copyright (c) 2012 Ariane Keller, <ariane.keller@tik.ee.ethz.ch>
+ * Copyright (c) 2010 - 2011 Michal Simek <monstr@monstr.eu>
+ * Copyright (c) 2010 - 2011 PetaLogix
+ * Copyright (c) 2010 - 2012 Xilinx, Inc. All rights reserved.
  *
  * This is a driver for the Xilinx Axi Ethernet which is used in the Virtex6
  * and Spartan6.
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c b/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c
index d70b6e79f6c..e90e1f46121 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c
@@ -2,9 +2,9 @@
  * MDIO bus driver for the Xilinx Axi Ethernet device
  *
  * Copyright (c) 2009 Secret Lab Technologies, Ltd.
- * Copyright (c) 2010 Xilinx, Inc. All rights reserved.
- * Copyright (c) 2012 Daniel Borkmann, <daniel.borkmann@tik.ee.ethz.ch>
- * Copyright (c) 2012 Ariane Keller, <ariane.keller@tik.ee.ethz.ch>
+ * Copyright (c) 2010 - 2011 Michal Simek <monstr@monstr.eu>
+ * Copyright (c) 2010 - 2011 PetaLogix
+ * Copyright (c) 2010 - 2012 Xilinx, Inc. All rights reserved.
  */
 
 #include <linux/of_address.h>
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index dd294783b5c..2d59138db7f 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -44,6 +44,7 @@ struct net_device_context {
         /* point back to our device context */
         struct hv_device *device_ctx;
         struct delayed_work dwork;
+        struct work_struct work;
 };
 
 
@@ -51,30 +52,22 @@ static int ring_size = 128;
 module_param(ring_size, int, S_IRUGO);
 MODULE_PARM_DESC(ring_size, "Ring buffer size (# of pages)");
 
-struct set_multicast_work {
-        struct work_struct work;
-        struct net_device *net;
-};
-
 static void do_set_multicast(struct work_struct *w)
 {
-        struct set_multicast_work *swk =
-                container_of(w, struct set_multicast_work, work);
-        struct net_device *net = swk->net;
-
-        struct net_device_context *ndevctx = netdev_priv(net);
+        struct net_device_context *ndevctx =
+                container_of(w, struct net_device_context, work);
         struct netvsc_device *nvdev;
         struct rndis_device *rdev;
 
         nvdev = hv_get_drvdata(ndevctx->device_ctx);
-        if (nvdev == NULL)
-                goto out;
+        if (nvdev == NULL || nvdev->ndev == NULL)
+                return;
 
         rdev = nvdev->extension;
         if (rdev == NULL)
-                goto out;
+                return;
 
-        if (net->flags & IFF_PROMISC)
+        if (nvdev->ndev->flags & IFF_PROMISC)
                 rndis_filter_set_packet_filter(rdev,
                         NDIS_PACKET_TYPE_PROMISCUOUS);
         else
@@ -82,21 +75,13 @@ static void do_set_multicast(struct work_struct *w)
                         NDIS_PACKET_TYPE_BROADCAST |
                         NDIS_PACKET_TYPE_ALL_MULTICAST |
                         NDIS_PACKET_TYPE_DIRECTED);
-
-out:
-        kfree(w);
 }
 
 static void netvsc_set_multicast_list(struct net_device *net)
 {
-        struct set_multicast_work *swk =
-                kmalloc(sizeof(struct set_multicast_work), GFP_ATOMIC);
-        if (swk == NULL)
-                return;
+        struct net_device_context *net_device_ctx = netdev_priv(net);
 
-        swk->net = net;
-        INIT_WORK(&swk->work, do_set_multicast);
-        schedule_work(&swk->work);
+        schedule_work(&net_device_ctx->work);
 }
 
 static int netvsc_open(struct net_device *net)
@@ -125,6 +110,8 @@ static int netvsc_close(struct net_device *net)
 
         netif_tx_disable(net);
 
+        /* Make sure netvsc_set_multicast_list doesn't re-enable filter! */
+        cancel_work_sync(&net_device_ctx->work);
         ret = rndis_filter_close(device_obj);
         if (ret != 0)
                 netdev_err(net, "unable to close device (ret %d).\n", ret);
@@ -335,6 +322,7 @@ static int netvsc_change_mtu(struct net_device *ndev, int mtu)
 
         nvdev->start_remove = true;
         cancel_delayed_work_sync(&ndevctx->dwork);
+        cancel_work_sync(&ndevctx->work);
         netif_tx_disable(ndev);
         rndis_filter_device_remove(hdev);
 
@@ -403,6 +391,7 @@ static int netvsc_probe(struct hv_device *dev,
         net_device_ctx->device_ctx = dev;
         hv_set_drvdata(dev, net);
         INIT_DELAYED_WORK(&net_device_ctx->dwork, netvsc_send_garp);
+        INIT_WORK(&net_device_ctx->work, do_set_multicast);
 
         net->netdev_ops = &device_ops;
 
@@ -456,6 +445,7 @@ static int netvsc_remove(struct hv_device *dev)
 
         ndev_ctx = netdev_priv(net);
         cancel_delayed_work_sync(&ndev_ctx->dwork);
+        cancel_work_sync(&ndev_ctx->work);
 
         /* Stop outbound asap */
         netif_tx_disable(net);
diff --git a/drivers/net/phy/icplus.c b/drivers/net/phy/icplus.c
index f08c85acf76..5ac46f5226f 100644
--- a/drivers/net/phy/icplus.c
+++ b/drivers/net/phy/icplus.c
@@ -40,6 +40,7 @@ MODULE_LICENSE("GPL");
 #define IP1001_PHASE_SEL_MASK           3       /* IP1001 RX/TXPHASE_SEL */
 #define IP1001_APS_ON                   11      /* IP1001 APS Mode  bit */
 #define IP101A_G_APS_ON                 2       /* IP101A/G APS Mode bit */
+#define IP101A_G_IRQ_CONF_STATUS        0x11    /* Conf Info IRQ & Status Reg */
 
 static int ip175c_config_init(struct phy_device *phydev)
 {
@@ -185,6 +186,15 @@ static int ip175c_config_aneg(struct phy_device *phydev)
         return 0;
 }
 
+static int ip101a_g_ack_interrupt(struct phy_device *phydev)
+{
+        int err = phy_read(phydev, IP101A_G_IRQ_CONF_STATUS);
+        if (err < 0)
+                return err;
+
+        return 0;
+}
+
 static struct phy_driver ip175c_driver = {
         .phy_id         = 0x02430d80,
         .name           = "ICPlus IP175C",
@@ -204,7 +214,6 @@ static struct phy_driver ip1001_driver = {
         .phy_id_mask    = 0x0ffffff0,
         .features       = PHY_GBIT_FEATURES | SUPPORTED_Pause |
                           SUPPORTED_Asym_Pause,
-        .flags          = PHY_HAS_INTERRUPT,
         .config_init    = &ip1001_config_init,
         .config_aneg    = &genphy_config_aneg,
         .read_status    = &genphy_read_status,
@@ -220,6 +229,7 @@ static struct phy_driver ip101a_g_driver = {
         .features       = PHY_BASIC_FEATURES | SUPPORTED_Pause |
                           SUPPORTED_Asym_Pause,
         .flags          = PHY_HAS_INTERRUPT,
+        .ack_interrupt  = ip101a_g_ack_interrupt,
         .config_init    = &ip101a_g_config_init,
         .config_aneg    = &genphy_config_aneg,
         .read_status    = &genphy_read_status,
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index 33f8c51968b..21d7151fb0a 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -235,7 +235,7 @@ struct ppp_net {
 /* Prototypes. */
 static int ppp_unattached_ioctl(struct net *net, struct ppp_file *pf,
                         struct file *file, unsigned int cmd, unsigned long arg);
-static int ppp_xmit_process(struct ppp *ppp);
+static void ppp_xmit_process(struct ppp *ppp);
 static void ppp_send_frame(struct ppp *ppp, struct sk_buff *skb);
 static void ppp_push(struct ppp *ppp);
 static void ppp_channel_push(struct channel *pch);
@@ -969,8 +969,7 @@ ppp_start_xmit(struct sk_buff *skb, struct net_device *dev)
         put_unaligned_be16(proto, pp);
 
         skb_queue_tail(&ppp->file.xq, skb);
-        if (!ppp_xmit_process(ppp))
-                netif_stop_queue(dev);
+        ppp_xmit_process(ppp);
         return NETDEV_TX_OK;
 
  outf:
@@ -1048,11 +1047,10 @@ static void ppp_setup(struct net_device *dev)
  * Called to do any work queued up on the transmit side
  * that can now be done.
  */
-static int
+static void
 ppp_xmit_process(struct ppp *ppp)
 {
         struct sk_buff *skb;
-        int ret = 0;
 
         ppp_xmit_lock(ppp);
         if (!ppp->closing) {
@@ -1062,13 +1060,12 @@ ppp_xmit_process(struct ppp *ppp)
                         ppp_send_frame(ppp, skb);
                 /* If there's no work left to do, tell the core net
                    code that we can accept some more. */
-                if (!ppp->xmit_pending && !skb_peek(&ppp->file.xq)) {
+                if (!ppp->xmit_pending && !skb_peek(&ppp->file.xq))
                         netif_wake_queue(ppp->dev);
-                        ret = 1;
-                }
+                else
+                        netif_stop_queue(ppp->dev);
         }
         ppp_xmit_unlock(ppp);
-        return ret;
 }
 
 static inline struct sk_buff *
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 552d24bf862..d316503b35d 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -365,6 +365,27 @@ static const struct driver_info	qmi_wwan_force_int4 = {
         .data           = BIT(4), /* interface whitelist bitmap */
 };
 
+/* Sierra Wireless provide equally useless interface descriptors
+ * Devices in QMI mode can be switched between two different
+ * configurations:
+ *   a) USB interface #8 is QMI/wwan
+ *   b) USB interfaces #8, #19 and #20 are QMI/wwan
+ *
+ * Both configurations provide a number of other interfaces (serial++),
+ * some of which have the same endpoint configuration as we expect, so
+ * a whitelist or blacklist is necessary.
+ *
+ * FIXME: The below whitelist should include BIT(20).  It does not
+ * because I cannot get it to work...
+ */
+static const struct driver_info qmi_wwan_sierra = {
+        .description    = "Sierra Wireless wwan/QMI device",
+        .flags          = FLAG_WWAN,
+        .bind           = qmi_wwan_bind_gobi,
+        .unbind         = qmi_wwan_unbind_shared,
+        .manage_power   = qmi_wwan_manage_power,
+        .data           = BIT(8) | BIT(19), /* interface whitelist bitmap */
+};
 
 #define HUAWEI_VENDOR_ID        0x12D1
 #define QMI_GOBI_DEVICE(vend, prod) \
@@ -445,6 +466,15 @@ static const struct usb_device_id products[] = {
                 .bInterfaceProtocol = 0xff,
                 .driver_info        = (unsigned long)&qmi_wwan_force_int4,
         },
+        {       /* Sierra Wireless MC77xx in QMI mode */
+                .match_flags        = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO,
+                .idVendor           = 0x1199,
+                .idProduct          = 0x68a2,
+                .bInterfaceClass    = 0xff,
+                .bInterfaceSubClass = 0xff,
+                .bInterfaceProtocol = 0xff,
+                .driver_info        = (unsigned long)&qmi_wwan_sierra,
+        },
         {QMI_GOBI_DEVICE(0x05c6, 0x9212)},      /* Acer Gobi Modem Device */
         {QMI_GOBI_DEVICE(0x03f0, 0x1f1d)},      /* HP un2400 Gobi Modem Device */
         {QMI_GOBI_DEVICE(0x03f0, 0x371d)},      /* HP un2430 Mobile Broadband Module */
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index 187d01ccb97..a2349483cd2 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -1051,6 +1051,7 @@ static int smsc75xx_bind(struct usbnet *dev, struct usb_interface *intf)
         dev->net->ethtool_ops = &smsc75xx_ethtool_ops;
         dev->net->flags |= IFF_MULTICAST;
         dev->net->hard_header_len += SMSC75XX_TX_OVERHEAD;
+        dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
         return 0;
 }
 
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 4de2760c593..af8acc85f4b 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -626,16 +626,15 @@ static netdev_tx_t start_xmit(struct sk_buff *skb, struct net_device *dev)
         /* This can happen with OOM and indirect buffers. */
         if (unlikely(capacity < 0)) {
                 if (likely(capacity == -ENOMEM)) {
-                        if (net_ratelimit()) {
+                        if (net_ratelimit())
                                 dev_warn(&dev->dev,
                                          "TX queue failure: out of memory\n");
-                        } else {
+                } else {
                         dev->stats.tx_fifo_errors++;
                         if (net_ratelimit())
                                 dev_warn(&dev->dev,
                                          "Unexpected TX queue failure: %d\n",
                                          capacity);
-                        }
                 }
                 dev->stats.tx_dropped++;
                 kfree_skb(skb);
diff --git a/drivers/net/wan/farsync.c b/drivers/net/wan/farsync.c
index ebb9f24eefb..1a623183cbe 100644
--- a/drivers/net/wan/farsync.c
+++ b/drivers/net/wan/farsync.c
@@ -2483,6 +2483,7 @@ fst_add_one(struct pci_dev *pdev, const struct pci_device_id *ent)
                 pr_err("Control memory remap failed\n");
                 pci_release_regions(pdev);
                 pci_disable_device(pdev);
+                iounmap(card->mem);
                 kfree(card);
                 return -ENODEV;
         }
diff --git a/drivers/net/wireless/ath/ath5k/ahb.c b/drivers/net/wireless/ath/ath5k/ahb.c
index 8faa129da5a..8c50d9d19d7 100644
--- a/drivers/net/wireless/ath/ath5k/ahb.c
+++ b/drivers/net/wireless/ath/ath5k/ahb.c
@@ -19,6 +19,7 @@
 #include <linux/nl80211.h>
 #include <linux/platform_device.h>
 #include <linux/etherdevice.h>
+#include <linux/export.h>
 #include <ar231x_platform.h>
 #include "ath5k.h"
 #include "debug.h"
@@ -119,7 +120,7 @@ static int ath_ahb_probe(struct platform_device *pdev)
         if (res == NULL) {
                 dev_err(&pdev->dev, "no IRQ resource found\n");
                 ret = -ENXIO;
-                goto err_out;
+                goto err_iounmap;
         }
 
         irq = res->start;
@@ -128,7 +129,7 @@ static int ath_ahb_probe(struct platform_device *pdev)
         if (hw == NULL) {
                 dev_err(&pdev->dev, "no memory for ieee80211_hw\n");
                 ret = -ENOMEM;
-                goto err_out;
+                goto err_iounmap;
         }
 
         ah = hw->priv;
@@ -185,6 +186,8 @@ static int ath_ahb_probe(struct platform_device *pdev)
  err_free_hw:
         ieee80211_free_hw(hw);
         platform_set_drvdata(pdev, NULL);
+ err_iounmap:
+        iounmap(mem);
  err_out:
         return ret;
 }
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 215eb2536b1..798ea57252b 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -118,15 +118,13 @@ void ath9k_ps_restore(struct ath_softc *sc)
         if (--sc->ps_usecount != 0)
                 goto unlock;
 
-        if (sc->ps_flags & PS_WAIT_FOR_TX_ACK)
-                goto unlock;
-
-        if (sc->ps_idle)
+        if (sc->ps_idle && (sc->ps_flags & PS_WAIT_FOR_TX_ACK))
                 mode = ATH9K_PM_FULL_SLEEP;
         else if (sc->ps_enabled &&
                  !(sc->ps_flags & (PS_WAIT_FOR_BEACON |
                               PS_WAIT_FOR_CAB |
-                              PS_WAIT_FOR_PSPOLL_DATA)))
+                              PS_WAIT_FOR_PSPOLL_DATA |
+                              PS_WAIT_FOR_TX_ACK)))
                 mode = ATH9K_PM_NETWORK_SLEEP;
         else
                 goto unlock;
@@ -1550,6 +1548,7 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
         struct ath_hw *ah = sc->sc_ah;
         struct ath_common *common = ath9k_hw_common(ah);
         struct ieee80211_conf *conf = &hw->conf;
+        bool reset_channel = false;
 
         ath9k_ps_wakeup(sc);
         mutex_lock(&sc->mutex);
@@ -1558,6 +1557,12 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
                 sc->ps_idle = !!(conf->flags & IEEE80211_CONF_IDLE);
                 if (sc->ps_idle)
                         ath_cancel_work(sc);
+                else
+                        /*
+                         * The chip needs a reset to properly wake up from
+                         * full sleep
+                         */
+                        reset_channel = ah->chip_fullsleep;
         }
 
         /*
@@ -1586,7 +1591,7 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
                 }
         }
 
-        if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
+        if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) || reset_channel) {
                 struct ieee80211_channel *curchan = hw->conf.channel;
                 int pos = curchan->hw_value;
                 int old_pos = -1;
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 834e6bc45e8..23eaa1b26eb 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1820,6 +1820,7 @@ static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc,
         struct ath_frame_info *fi = get_frame_info(skb);
         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
         struct ath_buf *bf;
+        int fragno;
         u16 seqno;
 
         bf = ath_tx_get_buffer(sc);
@@ -1831,9 +1832,16 @@ static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc,
         ATH_TXBUF_RESET(bf);
 
         if (tid) {
+                fragno = le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG;
                 seqno = tid->seq_next;
                 hdr->seq_ctrl = cpu_to_le16(tid->seq_next << IEEE80211_SEQ_SEQ_SHIFT);
-                INCR(tid->seq_next, IEEE80211_SEQ_MAX);
+
+                if (fragno)
+                        hdr->seq_ctrl |= cpu_to_le16(fragno);
+
+                if (!ieee80211_has_morefrags(hdr->frame_control))
+                        INCR(tid->seq_next, IEEE80211_SEQ_MAX);
+
                 bf->bf_state.seqno = seqno;
         }
 
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c
index 231ddf4a674..7083db75b00 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
@@ -7614,6 +7614,7 @@ brcms_c_recvctl(struct brcms_c_info *wlc, struct d11rxhdr *rxh,
 {
         int len_mpdu;
         struct ieee80211_rx_status rx_status;
+        struct ieee80211_hdr *hdr;
 
         memset(&rx_status, 0, sizeof(rx_status));
         prep_mac80211_status(wlc, rxh, p, &rx_status);
@@ -7623,6 +7624,13 @@ brcms_c_recvctl(struct brcms_c_info *wlc, struct d11rxhdr *rxh,
         skb_pull(p, D11_PHY_HDR_LEN);
         __skb_trim(p, len_mpdu);
 
+        /* unmute transmit */
+        if (wlc->hw->suspended_fifos) {
+                hdr = (struct ieee80211_hdr *)p->data;
+                if (ieee80211_is_beacon(hdr->frame_control))
+                        brcms_b_mute(wlc->hw, false);
+        }
+
         memcpy(IEEE80211_SKB_RXCB(p), &rx_status, sizeof(rx_status));
         ieee80211_rx_irqsafe(wlc->pub->ieee_hw, p);
 }
diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c
index 3fa1ecebadf..2fa879b015b 100644
--- a/drivers/net/wireless/libertas/cfg.c
+++ b/drivers/net/wireless/libertas/cfg.c
@@ -103,7 +103,7 @@ static const u32 cipher_suites[] = {
  * Convert NL80211's auth_type to the one from Libertas, see chapter 5.9.1
  * in the firmware spec
  */
-static u8 lbs_auth_to_authtype(enum nl80211_auth_type auth_type)
+static int lbs_auth_to_authtype(enum nl80211_auth_type auth_type)
 {
         int ret = -ENOTSUPP;
 
@@ -1411,7 +1411,12 @@ static int lbs_cfg_connect(struct wiphy *wiphy, struct net_device *dev,
                 goto done;
         }
 
-        lbs_set_authtype(priv, sme);
+        ret = lbs_set_authtype(priv, sme);
+        if (ret == -ENOTSUPP) {
+                wiphy_err(wiphy, "unsupported authtype 0x%x\n", sme->auth_type);
+                goto done;
+        }
+
         lbs_set_radio(priv, preamble, 1);
 
         /* Do the actual association */
diff --git a/drivers/net/wireless/mwifiex/pcie.h b/drivers/net/wireless/mwifiex/pcie.h
index 445ff21772e..2f218f9a3fd 100644
--- a/drivers/net/wireless/mwifiex/pcie.h
+++ b/drivers/net/wireless/mwifiex/pcie.h
@@ -48,15 +48,15 @@
 #define PCIE_HOST_INT_STATUS_MASK                       0xC3C
 #define PCIE_SCRATCH_2_REG                              0xC40
 #define PCIE_SCRATCH_3_REG                              0xC44
-#define PCIE_SCRATCH_4_REG                              0xCC0
-#define PCIE_SCRATCH_5_REG                              0xCC4
-#define PCIE_SCRATCH_6_REG                              0xCC8
-#define PCIE_SCRATCH_7_REG                              0xCCC
-#define PCIE_SCRATCH_8_REG                              0xCD0
-#define PCIE_SCRATCH_9_REG                              0xCD4
-#define PCIE_SCRATCH_10_REG                             0xCD8
-#define PCIE_SCRATCH_11_REG                             0xCDC
-#define PCIE_SCRATCH_12_REG                             0xCE0
+#define PCIE_SCRATCH_4_REG                              0xCD0
+#define PCIE_SCRATCH_5_REG                              0xCD4
+#define PCIE_SCRATCH_6_REG                              0xCD8
+#define PCIE_SCRATCH_7_REG                              0xCDC
+#define PCIE_SCRATCH_8_REG                              0xCE0
+#define PCIE_SCRATCH_9_REG                              0xCE4
+#define PCIE_SCRATCH_10_REG                             0xCE8
+#define PCIE_SCRATCH_11_REG                             0xCEC
+#define PCIE_SCRATCH_12_REG                             0xCF0
 
 #define CPU_INTR_DNLD_RDY                               BIT(0)
 #define CPU_INTR_DOOR_BELL                              BIT(1)
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index fc9901e027c..90cc5e77265 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -1062,11 +1062,6 @@ static int rt2x00lib_initialize(struct rt2x00_dev *rt2x00dev)
 
         set_bit(DEVICE_STATE_INITIALIZED, &rt2x00dev->flags);
 
-        /*
-         * Register the extra components.
-         */
-        rt2x00rfkill_register(rt2x00dev);
-
         return 0;
 }
 
@@ -1210,6 +1205,7 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
         rt2x00link_register(rt2x00dev);
         rt2x00leds_register(rt2x00dev);
         rt2x00debug_register(rt2x00dev);
+        rt2x00rfkill_register(rt2x00dev);
 
         return 0;
 
diff --git a/drivers/net/wireless/rtlwifi/base.c b/drivers/net/wireless/rtlwifi/base.c
index 510023554e5..e54488db0e1 100644
--- a/drivers/net/wireless/rtlwifi/base.c
+++ b/drivers/net/wireless/rtlwifi/base.c
@@ -838,7 +838,10 @@ void rtl_get_tcb_desc(struct ieee80211_hw *hw,
         __le16 fc = hdr->frame_control;
 
         txrate = ieee80211_get_tx_rate(hw, info);
-        tcb_desc->hw_rate = txrate->hw_value;
+        if (txrate)
+                tcb_desc->hw_rate = txrate->hw_value;
+        else
+                tcb_desc->hw_rate = 0;
 
         if (ieee80211_is_data(fc)) {
                 /*
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
index 07dd38efe62..288b035a357 100644
--- a/drivers/net/wireless/rtlwifi/pci.c
+++ b/drivers/net/wireless/rtlwifi/pci.c
@@ -912,8 +912,13 @@ static void _rtl_pci_prepare_bcn_tasklet(struct ieee80211_hw *hw)
         memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
         ring = &rtlpci->tx_ring[BEACON_QUEUE];
         pskb = __skb_dequeue(&ring->queue);
-        if (pskb)
+        if (pskb) {
+                struct rtl_tx_desc *entry = &ring->desc[ring->idx];
+                pci_unmap_single(rtlpci->pdev, rtlpriv->cfg->ops->get_desc(
+                                 (u8 *) entry, true, HW_DESC_TXBUFF_ADDR),
+                                 pskb->len, PCI_DMA_TODEVICE);
                 kfree_skb(pskb);
+        }
 
         /*NB: the beacon data buffer must be 32-bit aligned. */
         pskb = ieee80211_beacon_get(hw, mac->vif);
diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/sw.c b/drivers/net/wireless/rtlwifi/rtl8192de/sw.c
index 4898c502974..480862c07f9 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192de/sw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192de/sw.c
@@ -91,7 +91,6 @@ static int rtl92d_init_sw_vars(struct ieee80211_hw *hw)
         u8 tid;
         struct rtl_priv *rtlpriv = rtl_priv(hw);
         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
-        static int header_print;
 
         rtlpriv->dm.dm_initialgain_enable = true;
         rtlpriv->dm.dm_flag = 0;
@@ -171,10 +170,6 @@ static int rtl92d_init_sw_vars(struct ieee80211_hw *hw)
         for (tid = 0; tid < 8; tid++)
                 skb_queue_head_init(&rtlpriv->mac80211.skb_waitq[tid]);
 
-        /* Only load firmware for first MAC */
-        if (header_print)
-                return 0;
-
         /* for firmware buf */
         rtlpriv->rtlhal.pfirmware = vzalloc(0x8000);
         if (!rtlpriv->rtlhal.pfirmware) {
@@ -186,7 +181,6 @@ static int rtl92d_init_sw_vars(struct ieee80211_hw *hw)
         rtlpriv->max_fw_size = 0x8000;
         pr_info("Driver for Realtek RTL8192DE WLAN interface\n");
         pr_info("Loading firmware file %s\n", rtlpriv->cfg->fw_name);
-        header_print++;
 
         /* request fw */
         err = request_firmware_nowait(THIS_MODULE, 1, rtlpriv->cfg->fw_name,
diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c
index 2e1e352864b..d04dbda13f5 100644
--- a/drivers/net/wireless/rtlwifi/usb.c
+++ b/drivers/net/wireless/rtlwifi/usb.c
@@ -124,46 +124,38 @@ static int _usbctrl_vendorreq_sync_read(struct usb_device *udev, u8 request,
         return status;
 }
 
-static u32 _usb_read_sync(struct usb_device *udev, u32 addr, u16 len)
+static u32 _usb_read_sync(struct rtl_priv *rtlpriv, u32 addr, u16 len)
 {
+        struct device *dev = rtlpriv->io.dev;
+        struct usb_device *udev = to_usb_device(dev);
         u8 request;
         u16 wvalue;
         u16 index;
-        u32 *data;
-        u32 ret;
+        __le32 *data = &rtlpriv->usb_data[rtlpriv->usb_data_index];
 
-        data = kmalloc(sizeof(u32), GFP_KERNEL);
-        if (!data)
-                return -ENOMEM;
         request = REALTEK_USB_VENQT_CMD_REQ;
         index = REALTEK_USB_VENQT_CMD_IDX; /* n/a */
 
         wvalue = (u16)addr;
         _usbctrl_vendorreq_sync_read(udev, request, wvalue, index, data, len);
-        ret = le32_to_cpu(*data);
-        kfree(data);
-        return ret;
+        if (++rtlpriv->usb_data_index >= RTL_USB_MAX_RX_COUNT)
+                rtlpriv->usb_data_index = 0;
+        return le32_to_cpu(*data);
 }
 
 static u8 _usb_read8_sync(struct rtl_priv *rtlpriv, u32 addr)
 {
-        struct device *dev = rtlpriv->io.dev;
-
-        return (u8)_usb_read_sync(to_usb_device(dev), addr, 1);
+        return (u8)_usb_read_sync(rtlpriv, addr, 1);
 }
 
 static u16 _usb_read16_sync(struct rtl_priv *rtlpriv, u32 addr)
 {
-        struct device *dev = rtlpriv->io.dev;
-
-        return (u16)_usb_read_sync(to_usb_device(dev), addr, 2);
+        return (u16)_usb_read_sync(rtlpriv, addr, 2);
 }
 
 static u32 _usb_read32_sync(struct rtl_priv *rtlpriv, u32 addr)
 {
-        struct device *dev = rtlpriv->io.dev;
-
-        return _usb_read_sync(to_usb_device(dev), addr, 4);
+        return _usb_read_sync(rtlpriv, addr, 4);
 }
 
 static void _usb_write_async(struct usb_device *udev, u32 addr, u32 val,
@@ -955,6 +947,11 @@ int __devinit rtl_usb_probe(struct usb_interface *intf,
                 return -ENOMEM;
         }
         rtlpriv = hw->priv;
+        rtlpriv->usb_data = kzalloc(RTL_USB_MAX_RX_COUNT * sizeof(u32),
+                                    GFP_KERNEL);
+        if (!rtlpriv->usb_data)
+                return -ENOMEM;
+        rtlpriv->usb_data_index = 0;
         init_completion(&rtlpriv->firmware_loading_complete);
         SET_IEEE80211_DEV(hw, &intf->dev);
         udev = interface_to_usbdev(intf);
@@ -1025,6 +1022,7 @@ void rtl_usb_disconnect(struct usb_interface *intf)
         /* rtl_deinit_rfkill(hw); */
         rtl_usb_deinit(hw);
         rtl_deinit_core(hw);
+        kfree(rtlpriv->usb_data);
         rtlpriv->cfg->ops->deinit_sw_leds(hw);
         rtlpriv->cfg->ops->deinit_sw_vars(hw);
         _rtl_usb_io_handler_release(hw);
diff --git a/drivers/net/wireless/rtlwifi/wifi.h b/drivers/net/wireless/rtlwifi/wifi.h
index b591614c3b9..28ebc69218a 100644
--- a/drivers/net/wireless/rtlwifi/wifi.h
+++ b/drivers/net/wireless/rtlwifi/wifi.h
@@ -67,7 +67,7 @@
 #define QOS_QUEUE_NUM                           4
 #define RTL_MAC80211_NUM_QUEUE                  5
 #define REALTEK_USB_VENQT_MAX_BUF_SIZE          254
-
+#define RTL_USB_MAX_RX_COUNT                    100
 #define QBSS_LOAD_SIZE                          5
 #define MAX_WMMELE_LENGTH                       64
 
@@ -1629,6 +1629,10 @@ struct rtl_priv {
            interface or hardware */
         unsigned long status;
 
+        /* data buffer pointer for USB reads */
+        __le32 *usb_data;
+        int usb_data_index;
+
         /*This must be the last item so
            that it points to the data allocated
            beyond  this structure like:
diff --git a/drivers/of/gpio.c b/drivers/of/gpio.c
index bba81216b4d..bf984b6dc47 100644
--- a/drivers/of/gpio.c
+++ b/drivers/of/gpio.c
@@ -140,7 +140,7 @@ int of_gpio_simple_xlate(struct gpio_chip *gc,
         if (WARN_ON(gpiospec->args_count < gc->of_gpio_n_cells))
                 return -EINVAL;
 
-        if (gpiospec->args[0] > gc->ngpio)
+        if (gpiospec->args[0] >= gc->ngpio)
                 return -EINVAL;
 
         if (flags)
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index 083a49fee56..165274c064b 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -42,6 +42,7 @@ obj-$(CONFIG_UNICORE32) += setup-bus.o setup-irq.o
 obj-$(CONFIG_PARISC) += setup-bus.o
 obj-$(CONFIG_SUPERH) += setup-bus.o setup-irq.o
 obj-$(CONFIG_PPC) += setup-bus.o
+obj-$(CONFIG_FRV) += setup-bus.o
 obj-$(CONFIG_MIPS) += setup-bus.o setup-irq.o
 obj-$(CONFIG_X86_VISWS) += setup-irq.o
 obj-$(CONFIG_MN10300) += setup-bus.o
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 81567441526..111569ccab4 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -967,16 +967,59 @@ pci_save_state(struct pci_dev *dev)
         return 0;
 }
 
+static void pci_restore_config_dword(struct pci_dev *pdev, int offset,
+                                     u32 saved_val, int retry)
+{
+        u32 val;
+
+        pci_read_config_dword(pdev, offset, &val);
+        if (val == saved_val)
+                return;
+
+        for (;;) {
+                dev_dbg(&pdev->dev, "restoring config space at offset "
+                        "%#x (was %#x, writing %#x)\n", offset, val, saved_val);
+                pci_write_config_dword(pdev, offset, saved_val);
+                if (retry-- <= 0)
+                        return;
+
+                pci_read_config_dword(pdev, offset, &val);
+                if (val == saved_val)
+                        return;
+
+                mdelay(1);
+        }
+}
+
+static void pci_restore_config_space_range(struct pci_dev *pdev,
+                                           int start, int end, int retry)
+{
+        int index;
+
+        for (index = end; index >= start; index--)
+                pci_restore_config_dword(pdev, 4 * index,
+                                         pdev->saved_config_space[index],
+                                         retry);
+}
+
+static void pci_restore_config_space(struct pci_dev *pdev)
+{
+        if (pdev->hdr_type == PCI_HEADER_TYPE_NORMAL) {
+                pci_restore_config_space_range(pdev, 10, 15, 0);
+                /* Restore BARs before the command register. */
+                pci_restore_config_space_range(pdev, 4, 9, 10);
+                pci_restore_config_space_range(pdev, 0, 3, 0);
+        } else {
+                pci_restore_config_space_range(pdev, 0, 15, 0);
+        }
+}
+
 /** 
  * pci_restore_state - Restore the saved state of a PCI device
  * @dev: - PCI device that we're dealing with
  */
 void pci_restore_state(struct pci_dev *dev)
 {
-        int i;
-        u32 val;
-        int tries;
-
         if (!dev->state_saved)
                 return;
 
@@ -984,24 +1027,8 @@ void pci_restore_state(struct pci_dev *dev)
         pci_restore_pcie_state(dev);
         pci_restore_ats_state(dev);
 
-        /*
-         * The Base Address register should be programmed before the command
-         * register(s)
-         */
-        for (i = 15; i >= 0; i--) {
-                pci_read_config_dword(dev, i * 4, &val);
-                tries = 10;             
-                while (tries && val != dev->saved_config_space[i]) {
-                        dev_dbg(&dev->dev, "restoring config "
-                                "space at offset %#x (was %#x, writing %#x)\n",
-                                i, val, (int)dev->saved_config_space[i]);
-                        pci_write_config_dword(dev,i * 4,
-                                dev->saved_config_space[i]);
-                        pci_read_config_dword(dev, i * 4, &val);
-                        mdelay(10);
-                        tries--;
-                }
-        }
+        pci_restore_config_space(dev);
+
         pci_restore_pcix_state(dev);
         pci_restore_msi_state(dev);
         pci_restore_iov_state(dev);
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index ec3b8cc188a..df6296c5f47 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -908,10 +908,6 @@ static int pinctrl_groups_show(struct seq_file *s, void *what)
         const struct pinctrl_ops *ops = pctldev->desc->pctlops;
         unsigned selector = 0;
 
-        /* No grouping */
-        if (!ops)
-                return 0;
-
         mutex_lock(&pinctrl_mutex);
 
         seq_puts(s, "registered pin groups:\n");
@@ -1225,6 +1221,19 @@ static void pinctrl_remove_device_debugfs(struct pinctrl_dev *pctldev)
 
 #endif
 
+static int pinctrl_check_ops(struct pinctrl_dev *pctldev)
+{
+        const struct pinctrl_ops *ops = pctldev->desc->pctlops;
+
+        if (!ops ||
+            !ops->list_groups ||
+            !ops->get_group_name ||
+            !ops->get_group_pins)
+                return -EINVAL;
+
+        return 0;
+}
+
 /**
  * pinctrl_register() - register a pin controller device
  * @pctldesc: descriptor for this pin controller
@@ -1256,6 +1265,14 @@ struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc,
         INIT_LIST_HEAD(&pctldev->gpio_ranges);
         pctldev->dev = dev;
 
+        /* check core ops for sanity */
+        ret = pinctrl_check_ops(pctldev);
+        if (ret) {
+                pr_err("%s pinctrl ops lacks necessary functions\n",
+                        pctldesc->name);
+                goto out_err;
+        }
+
         /* If we're implementing pinmuxing, check the ops for sanity */
         if (pctldesc->pmxops) {
                 ret = pinmux_check_ops(pctldev);
diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
index bc8384c6f3e..639db4d0aa7 100644
--- a/drivers/platform/x86/acerhdf.c
+++ b/drivers/platform/x86/acerhdf.c
@@ -50,7 +50,7 @@
  */
 #undef START_IN_KERNEL_MODE
 
-#define DRV_VER "0.5.24"
+#define DRV_VER "0.5.26"
 
 /*
  * According to the Atom N270 datasheet,
@@ -83,8 +83,8 @@ static int kernelmode;
 #endif
 
 static unsigned int interval = 10;
-static unsigned int fanon = 63000;
-static unsigned int fanoff = 58000;
+static unsigned int fanon = 60000;
+static unsigned int fanoff = 53000;
 static unsigned int verbose;
 static unsigned int fanstate = ACERHDF_FAN_AUTO;
 static char force_bios[16];
@@ -150,6 +150,8 @@ static const struct bios_settings_t bios_tbl[] = {
         {"Acer", "AOA150", "v0.3308", 0x55, 0x58, {0x20, 0x00} },
         {"Acer", "AOA150", "v0.3309", 0x55, 0x58, {0x20, 0x00} },
         {"Acer", "AOA150", "v0.3310", 0x55, 0x58, {0x20, 0x00} },
+        /* LT1005u */
+        {"Acer", "LT-10Q", "v0.3310", 0x55, 0x58, {0x20, 0x00} },
         /* Acer 1410 */
         {"Acer", "Aspire 1410", "v0.3108", 0x55, 0x58, {0x9e, 0x00} },
         {"Acer", "Aspire 1410", "v0.3113", 0x55, 0x58, {0x9e, 0x00} },
@@ -161,6 +163,7 @@ static const struct bios_settings_t bios_tbl[] = {
         {"Acer", "Aspire 1410", "v1.3303", 0x55, 0x58, {0x9e, 0x00} },
         {"Acer", "Aspire 1410", "v1.3308", 0x55, 0x58, {0x9e, 0x00} },
         {"Acer", "Aspire 1410", "v1.3310", 0x55, 0x58, {0x9e, 0x00} },
+        {"Acer", "Aspire 1410", "v1.3314", 0x55, 0x58, {0x9e, 0x00} },
         /* Acer 1810xx */
         {"Acer", "Aspire 1810TZ", "v0.3108", 0x55, 0x58, {0x9e, 0x00} },
         {"Acer", "Aspire 1810T",  "v0.3108", 0x55, 0x58, {0x9e, 0x00} },
@@ -183,29 +186,44 @@ static const struct bios_settings_t bios_tbl[] = {
         {"Acer", "Aspire 1810TZ", "v1.3310", 0x55, 0x58, {0x9e, 0x00} },
         {"Acer", "Aspire 1810T",  "v1.3310", 0x55, 0x58, {0x9e, 0x00} },
         {"Acer", "Aspire 1810TZ", "v1.3314", 0x55, 0x58, {0x9e, 0x00} },
+        {"Acer", "Aspire 1810T",  "v1.3314", 0x55, 0x58, {0x9e, 0x00} },
         /* Acer 531 */
+        {"Acer", "AO531h", "v0.3104", 0x55, 0x58, {0x20, 0x00} },
         {"Acer", "AO531h", "v0.3201", 0x55, 0x58, {0x20, 0x00} },
+        {"Acer", "AO531h", "v0.3304", 0x55, 0x58, {0x20, 0x00} },
+        /* Acer 751 */
+        {"Acer", "AO751h", "V0.3212", 0x55, 0x58, {0x21, 0x00} },
+        /* Acer 1825 */
+        {"Acer", "Aspire 1825PTZ", "V1.3118", 0x55, 0x58, {0x9e, 0x00} },
+        {"Acer", "Aspire 1825PTZ", "V1.3127", 0x55, 0x58, {0x9e, 0x00} },
+        /* Acer TravelMate 7730 */
+        {"Acer", "TravelMate 7730G", "v0.3509", 0x55, 0x58, {0xaf, 0x00} },
         /* Gateway */
-        {"Gateway", "AOA110", "v0.3103", 0x55, 0x58, {0x21, 0x00} },
-        {"Gateway", "AOA150", "v0.3103", 0x55, 0x58, {0x20, 0x00} },
-        {"Gateway", "LT31",   "v1.3103", 0x55, 0x58, {0x9e, 0x00} },
-        {"Gateway", "LT31",   "v1.3201", 0x55, 0x58, {0x9e, 0x00} },
-        {"Gateway", "LT31",   "v1.3302", 0x55, 0x58, {0x9e, 0x00} },
+        {"Gateway", "AOA110", "v0.3103",  0x55, 0x58, {0x21, 0x00} },
+        {"Gateway", "AOA150", "v0.3103",  0x55, 0x58, {0x20, 0x00} },
+        {"Gateway", "LT31",   "v1.3103",  0x55, 0x58, {0x9e, 0x00} },
+        {"Gateway", "LT31",   "v1.3201",  0x55, 0x58, {0x9e, 0x00} },
+        {"Gateway", "LT31",   "v1.3302",  0x55, 0x58, {0x9e, 0x00} },
+        {"Gateway", "LT31",   "v1.3303t", 0x55, 0x58, {0x9e, 0x00} },
         /* Packard Bell */
-        {"Packard Bell", "DOA150", "v0.3104", 0x55, 0x58, {0x21, 0x00} },
-        {"Packard Bell", "DOA150", "v0.3105", 0x55, 0x58, {0x20, 0x00} },
-        {"Packard Bell", "AOA110", "v0.3105", 0x55, 0x58, {0x21, 0x00} },
-        {"Packard Bell", "AOA150", "v0.3105", 0x55, 0x58, {0x20, 0x00} },
-        {"Packard Bell", "DOTMU",  "v1.3303", 0x55, 0x58, {0x9e, 0x00} },
-        {"Packard Bell", "DOTMU",  "v0.3120", 0x55, 0x58, {0x9e, 0x00} },
-        {"Packard Bell", "DOTMU",  "v0.3108", 0x55, 0x58, {0x9e, 0x00} },
-        {"Packard Bell", "DOTMU",  "v0.3113", 0x55, 0x58, {0x9e, 0x00} },
-        {"Packard Bell", "DOTMU",  "v0.3115", 0x55, 0x58, {0x9e, 0x00} },
-        {"Packard Bell", "DOTMU",  "v0.3117", 0x55, 0x58, {0x9e, 0x00} },
-        {"Packard Bell", "DOTMU",  "v0.3119", 0x55, 0x58, {0x9e, 0x00} },
-        {"Packard Bell", "DOTMU",  "v1.3204", 0x55, 0x58, {0x9e, 0x00} },
-        {"Packard Bell", "DOTMA",  "v1.3201", 0x55, 0x58, {0x9e, 0x00} },
-        {"Packard Bell", "DOTMA",  "v1.3302", 0x55, 0x58, {0x9e, 0x00} },
+        {"Packard Bell", "DOA150",  "v0.3104",  0x55, 0x58, {0x21, 0x00} },
+        {"Packard Bell", "DOA150",  "v0.3105",  0x55, 0x58, {0x20, 0x00} },
+        {"Packard Bell", "AOA110",  "v0.3105",  0x55, 0x58, {0x21, 0x00} },
+        {"Packard Bell", "AOA150",  "v0.3105",  0x55, 0x58, {0x20, 0x00} },
+        {"Packard Bell", "ENBFT",   "V1.3118",  0x55, 0x58, {0x9e, 0x00} },
+        {"Packard Bell", "ENBFT",   "V1.3127",  0x55, 0x58, {0x9e, 0x00} },
+        {"Packard Bell", "DOTMU",   "v1.3303",  0x55, 0x58, {0x9e, 0x00} },
+        {"Packard Bell", "DOTMU",   "v0.3120",  0x55, 0x58, {0x9e, 0x00} },
+        {"Packard Bell", "DOTMU",   "v0.3108",  0x55, 0x58, {0x9e, 0x00} },
+        {"Packard Bell", "DOTMU",   "v0.3113",  0x55, 0x58, {0x9e, 0x00} },
+        {"Packard Bell", "DOTMU",   "v0.3115",  0x55, 0x58, {0x9e, 0x00} },
+        {"Packard Bell", "DOTMU",   "v0.3117",  0x55, 0x58, {0x9e, 0x00} },
+        {"Packard Bell", "DOTMU",   "v0.3119",  0x55, 0x58, {0x9e, 0x00} },
+        {"Packard Bell", "DOTMU",   "v1.3204",  0x55, 0x58, {0x9e, 0x00} },
+        {"Packard Bell", "DOTMA",   "v1.3201",  0x55, 0x58, {0x9e, 0x00} },
+        {"Packard Bell", "DOTMA",   "v1.3302",  0x55, 0x58, {0x9e, 0x00} },
+        {"Packard Bell", "DOTMA",   "v1.3303t", 0x55, 0x58, {0x9e, 0x00} },
+        {"Packard Bell", "DOTVR46", "v1.3308",  0x55, 0x58, {0x9e, 0x00} },
         /* pewpew-terminator */
         {"", "", "", 0, 0, {0, 0} }
 };
@@ -701,15 +719,20 @@ MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Peter Feuerer");
 MODULE_DESCRIPTION("Aspire One temperature and fan driver");
 MODULE_ALIAS("dmi:*:*Acer*:pnAOA*:");
+MODULE_ALIAS("dmi:*:*Acer*:pnAO751h*:");
 MODULE_ALIAS("dmi:*:*Acer*:pnAspire*1410*:");
 MODULE_ALIAS("dmi:*:*Acer*:pnAspire*1810*:");
+MODULE_ALIAS("dmi:*:*Acer*:pnAspire*1825PTZ:");
 MODULE_ALIAS("dmi:*:*Acer*:pnAO531*:");
+MODULE_ALIAS("dmi:*:*Acer*:TravelMate*7730G:");
 MODULE_ALIAS("dmi:*:*Gateway*:pnAOA*:");
 MODULE_ALIAS("dmi:*:*Gateway*:pnLT31*:");
 MODULE_ALIAS("dmi:*:*Packard*Bell*:pnAOA*:");
 MODULE_ALIAS("dmi:*:*Packard*Bell*:pnDOA*:");
 MODULE_ALIAS("dmi:*:*Packard*Bell*:pnDOTMU*:");
+MODULE_ALIAS("dmi:*:*Packard*Bell*:pnENBFT*:");
 MODULE_ALIAS("dmi:*:*Packard*Bell*:pnDOTMA*:");
+MODULE_ALIAS("dmi:*:*Packard*Bell*:pnDOTVR46*:");
 
 module_init(acerhdf_init);
 module_exit(acerhdf_exit);
diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index a05fc9c955d..e6c08ee8d46 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -212,6 +212,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = {
                 },
                 .driver_data = &quirk_dell_vostro_v130,
         },
+        { }
 };
 
 static struct calling_interface_buffer *buffer;
diff --git a/drivers/platform/x86/intel_ips.c b/drivers/platform/x86/intel_ips.c
index f7ba316e0ed..0ffdb3cde2b 100644
--- a/drivers/platform/x86/intel_ips.c
+++ b/drivers/platform/x86/intel_ips.c
@@ -1565,7 +1565,7 @@ static int ips_probe(struct pci_dev *dev, const struct pci_device_id *id)
                 ips->poll_turbo_status = true;
 
         if (!ips_get_i915_syms(ips)) {
-                dev_err(&dev->dev, "failed to get i915 symbols, graphics turbo disabled\n");
+                dev_info(&dev->dev, "failed to get i915 symbols, graphics turbo disabled until i915 loads\n");
                 ips->gpu_turbo_enabled = false;
         } else {
                 dev_dbg(&dev->dev, "graphics turbo enabled\n");
diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c
index 53969af1755..81fd606e47b 100644
--- a/drivers/regulator/anatop-regulator.c
+++ b/drivers/regulator/anatop-regulator.c
@@ -214,7 +214,7 @@ static struct of_device_id __devinitdata of_anatop_regulator_match_tbl[] = {
         { /* end */ }
 };
 
-static struct platform_driver anatop_regulator = {
+static struct platform_driver anatop_regulator_driver = {
         .driver = {
                 .name   = "anatop_regulator",
                 .owner  = THIS_MODULE,
@@ -226,13 +226,13 @@ static struct platform_driver anatop_regulator = {
 
 static int __init anatop_regulator_init(void)
 {
-        return platform_driver_register(&anatop_regulator);
+        return platform_driver_register(&anatop_regulator_driver);
 }
 postcore_initcall(anatop_regulator_init);
 
 static void __exit anatop_regulator_exit(void)
 {
-        platform_driver_unregister(&anatop_regulator);
+        platform_driver_unregister(&anatop_regulator_driver);
 }
 module_exit(anatop_regulator_exit);
 
diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index cd188ab72f7..c293d0cdb10 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -902,6 +902,7 @@ read_rtc:
                 }
                 ds1307->nvram->attr.name = "nvram";
                 ds1307->nvram->attr.mode = S_IRUGO | S_IWUSR;
+                sysfs_bin_attr_init(ds1307->nvram);
                 ds1307->nvram->read = ds1307_nvram_read,
                 ds1307->nvram->write = ds1307_nvram_write,
                 ds1307->nvram->size = chip->nvram_size;
diff --git a/drivers/rtc/rtc-efi.c b/drivers/rtc/rtc-efi.c
index 550292304b0..c9f890b088d 100644
--- a/drivers/rtc/rtc-efi.c
+++ b/drivers/rtc/rtc-efi.c
@@ -213,7 +213,6 @@ static struct platform_driver efi_rtc_driver = {
                 .name = "rtc-efi",
                 .owner = THIS_MODULE,
         },
-        .probe = efi_rtc_probe,
         .remove = __exit_p(efi_rtc_remove),
 };
 
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index 692de7360e9..684ef4bbfce 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -339,8 +339,7 @@ static int pl031_probe(struct amba_device *adev, const struct amba_id *id)
         dev_dbg(&adev->dev, "revision = 0x%01x\n", ldata->hw_revision);
 
         /* Enable the clockwatch on ST Variants */
-        if ((ldata->hw_designer == AMBA_VENDOR_ST) &&
-            (ldata->hw_revision > 1))
+        if (ldata->hw_designer == AMBA_VENDOR_ST)
                 writel(readl(ldata->base + RTC_CR) | RTC_CR_CWEN,
                        ldata->base + RTC_CR);
 
diff --git a/drivers/rtc/rtc-r9701.c b/drivers/rtc/rtc-r9701.c
index 7f8e6c24793..33b6ba0afa0 100644
--- a/drivers/rtc/rtc-r9701.c
+++ b/drivers/rtc/rtc-r9701.c
@@ -122,6 +122,7 @@ static const struct rtc_class_ops r9701_rtc_ops = {
 static int __devinit r9701_probe(struct spi_device *spi)
 {
         struct rtc_device *rtc;
+        struct rtc_time dt;
         unsigned char tmp;
         int res;
 
@@ -132,6 +133,27 @@ static int __devinit r9701_probe(struct spi_device *spi)
                 return -ENODEV;
         }
 
+        /*
+         * The device seems to be present. Now check if the registers
+         * contain invalid values. If so, try to write a default date:
+         * 2000/1/1 00:00:00
+         */
+        r9701_get_datetime(&spi->dev, &dt);
+        if (rtc_valid_tm(&dt)) {
+                dev_info(&spi->dev, "trying to repair invalid date/time\n");
+                dt.tm_sec  = 0;
+                dt.tm_min  = 0;
+                dt.tm_hour = 0;
+                dt.tm_mday = 1;
+                dt.tm_mon  = 0;
+                dt.tm_year = 100;
+
+                if (r9701_set_datetime(&spi->dev, &dt)) {
+                        dev_err(&spi->dev, "cannot repair RTC register\n");
+                        return -ENODEV;
+                }
+        }
+
         rtc = rtc_device_register("r9701",
                                 &spi->dev, &r9701_rtc_ops, THIS_MODULE);
         if (IS_ERR(rtc))
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index 9ccea134a99..3f3a2975236 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -40,6 +40,10 @@ enum s3c_cpu_type {
         TYPE_S3C64XX,
 };
 
+struct s3c_rtc_drv_data {
+        int cpu_type;
+};
+
 /* I have yet to find an S3C implementation with more than one
  * of these rtc blocks in */
 
@@ -446,10 +450,12 @@ static const struct of_device_id s3c_rtc_dt_match[];
 static inline int s3c_rtc_get_driver_data(struct platform_device *pdev)
 {
 #ifdef CONFIG_OF
+        struct s3c_rtc_drv_data *data;
         if (pdev->dev.of_node) {
                 const struct of_device_id *match;
                 match = of_match_node(s3c_rtc_dt_match, pdev->dev.of_node);
-                return match->data;
+                data = (struct s3c_rtc_drv_data *) match->data;
+                return data->cpu_type;
         }
 #endif
         return platform_get_device_id(pdev)->driver_data;
@@ -664,20 +670,27 @@ static int s3c_rtc_resume(struct platform_device *pdev)
 #define s3c_rtc_resume  NULL
 #endif
 
+static struct s3c_rtc_drv_data s3c_rtc_drv_data_array[] = {
+        [TYPE_S3C2410] = { TYPE_S3C2410 },
+        [TYPE_S3C2416] = { TYPE_S3C2416 },
+        [TYPE_S3C2443] = { TYPE_S3C2443 },
+        [TYPE_S3C64XX] = { TYPE_S3C64XX },
+};
+
 #ifdef CONFIG_OF
 static const struct of_device_id s3c_rtc_dt_match[] = {
         {
-                .compatible = "samsung,s3c2410-rtc"
-                .data = TYPE_S3C2410,
+                .compatible = "samsung,s3c2410-rtc",
+                .data = &s3c_rtc_drv_data_array[TYPE_S3C2410],
         }, {
-                .compatible = "samsung,s3c2416-rtc"
-                .data = TYPE_S3C2416,
+                .compatible = "samsung,s3c2416-rtc",
+                .data = &s3c_rtc_drv_data_array[TYPE_S3C2416],
         }, {
-                .compatible = "samsung,s3c2443-rtc"
-                .data = TYPE_S3C2443,
+                .compatible = "samsung,s3c2443-rtc",
+                .data = &s3c_rtc_drv_data_array[TYPE_S3C2443],
         }, {
-                .compatible = "samsung,s3c6410-rtc"
-                .data = TYPE_S3C64XX,
+                .compatible = "samsung,s3c6410-rtc",
+                .data = &s3c_rtc_drv_data_array[TYPE_S3C64XX],
         },
         {},
 };
diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c
index 4c2c6df2a9e..258abeabf62 100644
--- a/drivers/rtc/rtc-twl.c
+++ b/drivers/rtc/rtc-twl.c
@@ -112,6 +112,7 @@ static const u8 twl6030_rtc_reg_map[] = {
 #define BIT_RTC_CTRL_REG_TEST_MODE_M             0x10
 #define BIT_RTC_CTRL_REG_SET_32_COUNTER_M        0x20
 #define BIT_RTC_CTRL_REG_GET_TIME_M              0x40
+#define BIT_RTC_CTRL_REG_RTC_V_OPT               0x80
 
 /* RTC_STATUS_REG bitfields */
 #define BIT_RTC_STATUS_REG_RUN_M                 0x02
@@ -235,25 +236,57 @@ static int twl_rtc_read_time(struct device *dev, struct rtc_time *tm)
         unsigned char rtc_data[ALL_TIME_REGS + 1];
         int ret;
         u8 save_control;
+        u8 rtc_control;
 
         ret = twl_rtc_read_u8(&save_control, REG_RTC_CTRL_REG);
-        if (ret < 0)
+        if (ret < 0) {
+                dev_err(dev, "%s: reading CTRL_REG, error %d\n", __func__, ret);
                 return ret;
+        }
+        /* for twl6030/32 make sure BIT_RTC_CTRL_REG_GET_TIME_M is clear */
+        if (twl_class_is_6030()) {
+                if (save_control & BIT_RTC_CTRL_REG_GET_TIME_M) {
+                        save_control &= ~BIT_RTC_CTRL_REG_GET_TIME_M;
+                        ret = twl_rtc_write_u8(save_control, REG_RTC_CTRL_REG);
+                        if (ret < 0) {
+                                dev_err(dev, "%s clr GET_TIME, error %d\n",
+                                        __func__, ret);
+                                return ret;
+                        }
+                }
+        }
 
-        save_control |= BIT_RTC_CTRL_REG_GET_TIME_M;
+        /* Copy RTC counting registers to static registers or latches */
+        rtc_control = save_control | BIT_RTC_CTRL_REG_GET_TIME_M;
 
-        ret = twl_rtc_write_u8(save_control, REG_RTC_CTRL_REG);
-        if (ret < 0)
+        /* for twl6030/32 enable read access to static shadowed registers */
+        if (twl_class_is_6030())
+                rtc_control |= BIT_RTC_CTRL_REG_RTC_V_OPT;
+
+        ret = twl_rtc_write_u8(rtc_control, REG_RTC_CTRL_REG);
+        if (ret < 0) {
+                dev_err(dev, "%s: writing CTRL_REG, error %d\n", __func__, ret);
                 return ret;
+        }
 
         ret = twl_i2c_read(TWL_MODULE_RTC, rtc_data,
                         (rtc_reg_map[REG_SECONDS_REG]), ALL_TIME_REGS);
 
         if (ret < 0) {
-                dev_err(dev, "rtc_read_time error %d\n", ret);
+                dev_err(dev, "%s: reading data, error %d\n", __func__, ret);
                 return ret;
         }
 
+        /* for twl6030 restore original state of rtc control register */
+        if (twl_class_is_6030()) {
+                ret = twl_rtc_write_u8(save_control, REG_RTC_CTRL_REG);
+                if (ret < 0) {
+                        dev_err(dev, "%s: restore CTRL_REG, error %d\n",
+                                __func__, ret);
+                        return ret;
+                }
+        }
+
         tm->tm_sec = bcd2bin(rtc_data[0]);
         tm->tm_min = bcd2bin(rtc_data[1]);
         tm->tm_hour = bcd2bin(rtc_data[2]);
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index c21871a4e73..bc2e8a7c265 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -2844,6 +2844,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track(
         sector_t recid, trkid;
         unsigned int offs;
         unsigned int count, count_to_trk_end;
+        int ret;
 
         basedev = block->base;
         if (rq_data_dir(req) == READ) {
@@ -2884,8 +2885,8 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track(
 
         itcw = itcw_init(cqr->data, itcw_size, itcw_op, 0, ctidaw, 0);
         if (IS_ERR(itcw)) {
-                dasd_sfree_request(cqr, startdev);
-                return ERR_PTR(-EINVAL);
+                ret = -EINVAL;
+                goto out_error;
         }
         cqr->cpaddr = itcw_get_tcw(itcw);
         if (prepare_itcw(itcw, first_trk, last_trk,
@@ -2897,8 +2898,8 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track(
                 /* Clock not in sync and XRC is enabled.
                  * Try again later.
                  */
-                dasd_sfree_request(cqr, startdev);
-                return ERR_PTR(-EAGAIN);
+                ret = -EAGAIN;
+                goto out_error;
         }
         len_to_track_end = 0;
         /*
@@ -2937,8 +2938,10 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track(
                                         tidaw_flags = 0;
                                 last_tidaw = itcw_add_tidaw(itcw, tidaw_flags,
                                                             dst, part_len);
-                                if (IS_ERR(last_tidaw))
-                                        return ERR_PTR(-EINVAL);
+                                if (IS_ERR(last_tidaw)) {
+                                        ret = -EINVAL;
+                                        goto out_error;
+                                }
                                 dst += part_len;
                         }
                 }
@@ -2947,8 +2950,10 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track(
                         dst = page_address(bv->bv_page) + bv->bv_offset;
                         last_tidaw = itcw_add_tidaw(itcw, 0x00,
                                                     dst, bv->bv_len);
-                        if (IS_ERR(last_tidaw))
-                                return ERR_PTR(-EINVAL);
+                        if (IS_ERR(last_tidaw)) {
+                                ret = -EINVAL;
+                                goto out_error;
+                        }
                 }
         }
         last_tidaw->flags |= TIDAW_FLAGS_LAST;
@@ -2968,6 +2973,9 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track(
         cqr->buildclk = get_clock();
         cqr->status = DASD_CQR_FILLED;
         return cqr;
+out_error:
+        dasd_sfree_request(cqr, startdev);
+        return ERR_PTR(ret);
 }
 
 static struct dasd_ccw_req *dasd_eckd_build_cp(struct dasd_device *startdev,
diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c
index 85f4a9a5d12..73bef0bd394 100644
--- a/drivers/s390/char/vmur.c
+++ b/drivers/s390/char/vmur.c
@@ -903,7 +903,7 @@ static int ur_set_online(struct ccw_device *cdev)
                 goto fail_urdev_put;
         }
 
-        cdev_init(urd->char_device, &ur_fops);
+        urd->char_device->ops = &ur_fops;
         urd->char_device->dev = MKDEV(major, minor);
         urd->char_device->owner = ur_fops.owner;
 
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 2cfcbffa41f..386f0c53bea 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -835,7 +835,7 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd,
 
         scsi_eh_restore_cmnd(scmd, &ses);
 
-        if (sdrv->eh_action)
+        if (sdrv && sdrv->eh_action)
                 rtn = sdrv->eh_action(scmd, cmnd, cmnd_size, rtn);
 
         return rtn;
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 3ed748355b9..00c024039c9 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -74,7 +74,7 @@ config SPI_ATMEL
           This selects a driver for the Atmel SPI Controller, present on
           many AT32 (AVR32) and AT91 (ARM) chips.
 
-config SPI_BFIN
+config SPI_BFIN5XX
         tristate "SPI controller driver for ADI Blackfin5xx"
         depends on BLACKFIN
         help
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index a1d48e0ba3d..9d75d2198ff 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -15,7 +15,7 @@ obj-$(CONFIG_SPI_ATMEL)			+= spi-atmel.o
 obj-$(CONFIG_SPI_ATH79)                 += spi-ath79.o
 obj-$(CONFIG_SPI_AU1550)                += spi-au1550.o
 obj-$(CONFIG_SPI_BCM63XX)               += spi-bcm63xx.o
-obj-$(CONFIG_SPI_BFIN)                  += spi-bfin5xx.o
+obj-$(CONFIG_SPI_BFIN5XX)               += spi-bfin5xx.o
 obj-$(CONFIG_SPI_BFIN_SPORT)            += spi-bfin-sport.o
 obj-$(CONFIG_SPI_BITBANG)               += spi-bitbang.o
 obj-$(CONFIG_SPI_BUTTERFLY)             += spi-butterfly.o
diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c
index f01b2648452..7491971139a 100644
--- a/drivers/spi/spi-bcm63xx.c
+++ b/drivers/spi/spi-bcm63xx.c
@@ -1,7 +1,7 @@
 /*
  * Broadcom BCM63xx SPI controller support
  *
- * Copyright (C) 2009-2011 Florian Fainelli <florian@openwrt.org>
+ * Copyright (C) 2009-2012 Florian Fainelli <florian@openwrt.org>
  * Copyright (C) 2010 Tanguy Bouzeloc <tanguy.bouzeloc@efixo.com>
  *
  * This program is free software; you can redistribute it and/or
@@ -30,6 +30,8 @@
 #include <linux/spi/spi.h>
 #include <linux/completion.h>
 #include <linux/err.h>
+#include <linux/workqueue.h>
+#include <linux/pm_runtime.h>
 
 #include <bcm63xx_dev_spi.h>
 
@@ -37,8 +39,6 @@
 #define DRV_VER         "0.1.2"
 
 struct bcm63xx_spi {
-        spinlock_t              lock;
-        int                     stopping;
         struct completion       done;
 
         void __iomem            *regs;
@@ -96,17 +96,12 @@ static const unsigned bcm63xx_spi_freq_table[SPI_CLK_MASK][2] = {
         {   391000, SPI_CLK_0_391MHZ }
 };
 
-static int bcm63xx_spi_setup_transfer(struct spi_device *spi,
-                                      struct spi_transfer *t)
+static int bcm63xx_spi_check_transfer(struct spi_device *spi,
+                                        struct spi_transfer *t)
 {
-        struct bcm63xx_spi *bs = spi_master_get_devdata(spi->master);
         u8 bits_per_word;
-        u8 clk_cfg, reg;
-        u32 hz;
-        int i;
 
         bits_per_word = (t) ? t->bits_per_word : spi->bits_per_word;
-        hz = (t) ? t->speed_hz : spi->max_speed_hz;
         if (bits_per_word != 8) {
                 dev_err(&spi->dev, "%s, unsupported bits_per_word=%d\n",
                         __func__, bits_per_word);
@@ -119,6 +114,19 @@ static int bcm63xx_spi_setup_transfer(struct spi_device *spi,
                 return -EINVAL;
         }
 
+        return 0;
+}
+
+static void bcm63xx_spi_setup_transfer(struct spi_device *spi,
+                                      struct spi_transfer *t)
+{
+        struct bcm63xx_spi *bs = spi_master_get_devdata(spi->master);
+        u32 hz;
+        u8 clk_cfg, reg;
+        int i;
+
+        hz = (t) ? t->speed_hz : spi->max_speed_hz;
+
         /* Find the closest clock configuration */
         for (i = 0; i < SPI_CLK_MASK; i++) {
                 if (hz <= bcm63xx_spi_freq_table[i][0]) {
@@ -139,8 +147,6 @@ static int bcm63xx_spi_setup_transfer(struct spi_device *spi,
         bcm_spi_writeb(bs, reg, SPI_CLK_CFG);
         dev_dbg(&spi->dev, "Setting clock register to %02x (hz %d)\n",
                 clk_cfg, hz);
-
-        return 0;
 }
 
 /* the spi->mode bits understood by this driver: */
@@ -153,9 +159,6 @@ static int bcm63xx_spi_setup(struct spi_device *spi)
 
         bs = spi_master_get_devdata(spi->master);
 
-        if (bs->stopping)
-                return -ESHUTDOWN;
-
         if (!spi->bits_per_word)
                 spi->bits_per_word = 8;
 
@@ -165,7 +168,7 @@ static int bcm63xx_spi_setup(struct spi_device *spi)
                 return -EINVAL;
         }
 
-        ret = bcm63xx_spi_setup_transfer(spi, NULL);
+        ret = bcm63xx_spi_check_transfer(spi, NULL);
         if (ret < 0) {
                 dev_err(&spi->dev, "setup: unsupported mode bits %x\n",
                         spi->mode & ~MODEBITS);
@@ -190,28 +193,29 @@ static void bcm63xx_spi_fill_tx_fifo(struct bcm63xx_spi *bs)
         bs->remaining_bytes -= size;
 }
 
-static int bcm63xx_txrx_bufs(struct spi_device *spi, struct spi_transfer *t)
+static unsigned int bcm63xx_txrx_bufs(struct spi_device *spi,
+                                        struct spi_transfer *t)
 {
         struct bcm63xx_spi *bs = spi_master_get_devdata(spi->master);
         u16 msg_ctl;
         u16 cmd;
 
+        /* Disable the CMD_DONE interrupt */
+        bcm_spi_writeb(bs, 0, SPI_INT_MASK);
+
         dev_dbg(&spi->dev, "txrx: tx %p, rx %p, len %d\n",
                 t->tx_buf, t->rx_buf, t->len);
 
         /* Transmitter is inhibited */
         bs->tx_ptr = t->tx_buf;
         bs->rx_ptr = t->rx_buf;
-        init_completion(&bs->done);
 
         if (t->tx_buf) {
                 bs->remaining_bytes = t->len;
                 bcm63xx_spi_fill_tx_fifo(bs);
         }
 
-        /* Enable the command done interrupt which
-         * we use to determine completion of a command */
-        bcm_spi_writeb(bs, SPI_INTR_CMD_DONE, SPI_INT_MASK);
+        init_completion(&bs->done);
 
         /* Fill in the Message control register */
         msg_ctl = (t->len << SPI_BYTE_CNT_SHIFT);
@@ -230,33 +234,76 @@ static int bcm63xx_txrx_bufs(struct spi_device *spi, struct spi_transfer *t)
         cmd |= (0 << SPI_CMD_PREPEND_BYTE_CNT_SHIFT);
         cmd |= (spi->chip_select << SPI_CMD_DEVICE_ID_SHIFT);
         bcm_spi_writew(bs, cmd, SPI_CMD);
-        wait_for_completion(&bs->done);
 
-        /* Disable the CMD_DONE interrupt */
-        bcm_spi_writeb(bs, 0, SPI_INT_MASK);
+        /* Enable the CMD_DONE interrupt */
+        bcm_spi_writeb(bs, SPI_INTR_CMD_DONE, SPI_INT_MASK);
 
         return t->len - bs->remaining_bytes;
 }
 
-static int bcm63xx_transfer(struct spi_device *spi, struct spi_message *m)
+static int bcm63xx_spi_prepare_transfer(struct spi_master *master)
 {
-        struct bcm63xx_spi *bs = spi_master_get_devdata(spi->master);
-        struct spi_transfer *t;
-        int ret = 0;
+        struct bcm63xx_spi *bs = spi_master_get_devdata(master);
 
-        if (unlikely(list_empty(&m->transfers)))
-                return -EINVAL;
+        pm_runtime_get_sync(&bs->pdev->dev);
 
-        if (bs->stopping)
-                return -ESHUTDOWN;
+        return 0;
+}
+
+static int bcm63xx_spi_unprepare_transfer(struct spi_master *master)
+{
+        struct bcm63xx_spi *bs = spi_master_get_devdata(master);
+
+        pm_runtime_put(&bs->pdev->dev);
+
+        return 0;
+}
+
+static int bcm63xx_spi_transfer_one(struct spi_master *master,
+                                        struct spi_message *m)
+{
+        struct bcm63xx_spi *bs = spi_master_get_devdata(master);
+        struct spi_transfer *t;
+        struct spi_device *spi = m->spi;
+        int status = 0;
+        unsigned int timeout = 0;
 
         list_for_each_entry(t, &m->transfers, transfer_list) {
-                ret += bcm63xx_txrx_bufs(spi, t);
-        }
+                unsigned int len = t->len;
+                u8 rx_tail;
 
-        m->complete(m->context);
+                status = bcm63xx_spi_check_transfer(spi, t);
+                if (status < 0)
+                        goto exit;
 
-        return ret;
+                /* configure adapter for a new transfer */
+                bcm63xx_spi_setup_transfer(spi, t);
+
+                while (len) {
+                        /* send the data */
+                        len -= bcm63xx_txrx_bufs(spi, t);
+
+                        timeout = wait_for_completion_timeout(&bs->done, HZ);
+                        if (!timeout) {
+                                status = -ETIMEDOUT;
+                                goto exit;
+                        }
+
+                        /* read out all data */
+                        rx_tail = bcm_spi_readb(bs, SPI_RX_TAIL);
+
+                        /* Read out all the data */
+                        if (rx_tail)
+                                memcpy_fromio(bs->rx_ptr, bs->rx_io, rx_tail);
+                }
+
+                m->actual_length += t->len;
+        }
+exit:
+        m->status = status;
+        spi_finalize_current_message(master);
+
+        return 0;
 }
 
 /* This driver supports single master mode only. Hence
@@ -267,39 +314,15 @@ static irqreturn_t bcm63xx_spi_interrupt(int irq, void *dev_id)
         struct spi_master *master = (struct spi_master *)dev_id;
         struct bcm63xx_spi *bs = spi_master_get_devdata(master);
         u8 intr;
-        u16 cmd;
 
         /* Read interupts and clear them immediately */
         intr = bcm_spi_readb(bs, SPI_INT_STATUS);
         bcm_spi_writeb(bs, SPI_INTR_CLEAR_ALL, SPI_INT_STATUS);
         bcm_spi_writeb(bs, 0, SPI_INT_MASK);
 
-        /* A tansfer completed */
-        if (intr & SPI_INTR_CMD_DONE) {
-                u8 rx_tail;
-
-                rx_tail = bcm_spi_readb(bs, SPI_RX_TAIL);
-
-                /* Read out all the data */
-                if (rx_tail)
-                        memcpy_fromio(bs->rx_ptr, bs->rx_io, rx_tail);
-
-                /* See if there is more data to send */
-                if (bs->remaining_bytes > 0) {
-                        bcm63xx_spi_fill_tx_fifo(bs);
-
-                        /* Start the transfer */
-                        bcm_spi_writew(bs, SPI_HD_W << SPI_MSG_TYPE_SHIFT,
-                                       SPI_MSG_CTL);
-                        cmd = bcm_spi_readw(bs, SPI_CMD);
-                        cmd |= SPI_CMD_START_IMMEDIATE;
-                        cmd |= (0 << SPI_CMD_PREPEND_BYTE_CNT_SHIFT);
-                        bcm_spi_writeb(bs, SPI_INTR_CMD_DONE, SPI_INT_MASK);
-                        bcm_spi_writew(bs, cmd, SPI_CMD);
-                } else {
-                        complete(&bs->done);
-                }
-        }
+        /* A transfer completed */
+        if (intr & SPI_INTR_CMD_DONE)
+                complete(&bs->done);
 
         return IRQ_HANDLED;
 }
@@ -345,7 +368,6 @@ static int __devinit bcm63xx_spi_probe(struct platform_device *pdev)
         }
 
         bs = spi_master_get_devdata(master);
-        init_completion(&bs->done);
 
         platform_set_drvdata(pdev, master);
         bs->pdev = pdev;
@@ -379,12 +401,13 @@ static int __devinit bcm63xx_spi_probe(struct platform_device *pdev)
         master->bus_num = pdata->bus_num;
         master->num_chipselect = pdata->num_chipselect;
         master->setup = bcm63xx_spi_setup;
-        master->transfer = bcm63xx_transfer;
+        master->prepare_transfer_hardware = bcm63xx_spi_prepare_transfer;
+        master->unprepare_transfer_hardware = bcm63xx_spi_unprepare_transfer;
+        master->transfer_one_message = bcm63xx_spi_transfer_one;
+        master->mode_bits = MODEBITS;
         bs->speed_hz = pdata->speed_hz;
-        bs->stopping = 0;
         bs->tx_io = (u8 *)(bs->regs + bcm63xx_spireg(SPI_MSG_DATA));
         bs->rx_io = (const u8 *)(bs->regs + bcm63xx_spireg(SPI_RX_DATA));
-        spin_lock_init(&bs->lock);
 
         /* Initialize hardware */
         clk_enable(bs->clk);
@@ -418,18 +441,16 @@ static int __devexit bcm63xx_spi_remove(struct platform_device *pdev)
         struct spi_master *master = platform_get_drvdata(pdev);
         struct bcm63xx_spi *bs = spi_master_get_devdata(master);
 
+        spi_unregister_master(master);
+
         /* reset spi block */
         bcm_spi_writeb(bs, 0, SPI_INT_MASK);
-        spin_lock(&bs->lock);
-        bs->stopping = 1;
 
         /* HW shutdown */
         clk_disable(bs->clk);
         clk_put(bs->clk);
 
-        spin_unlock(&bs->lock);
         platform_set_drvdata(pdev, 0);
-        spi_unregister_master(master);
 
         return 0;
 }
diff --git a/drivers/spi/spi-bfin-sport.c b/drivers/spi/spi-bfin-sport.c
index 248a2cc671a..1fe51198a62 100644
--- a/drivers/spi/spi-bfin-sport.c
+++ b/drivers/spi/spi-bfin-sport.c
@@ -252,19 +252,15 @@ static void
 bfin_sport_spi_restore_state(struct bfin_sport_spi_master_data *drv_data)
 {
         struct bfin_sport_spi_slave_data *chip = drv_data->cur_chip;
-        unsigned int bits = (drv_data->ops == &bfin_sport_transfer_ops_u8 ? 7 : 15);
 
         bfin_sport_spi_disable(drv_data);
         dev_dbg(drv_data->dev, "restoring spi ctl state\n");
 
         bfin_write(&drv_data->regs->tcr1, chip->ctl_reg);
-        bfin_write(&drv_data->regs->tcr2, bits);
         bfin_write(&drv_data->regs->tclkdiv, chip->baud);
-        bfin_write(&drv_data->regs->tfsdiv, bits);
         SSYNC();
 
         bfin_write(&drv_data->regs->rcr1, chip->ctl_reg & ~(ITCLK | ITFS));
-        bfin_write(&drv_data->regs->rcr2, bits);
         SSYNC();
 
         bfin_sport_spi_cs_active(chip);
@@ -420,11 +416,15 @@ bfin_sport_spi_pump_transfers(unsigned long data)
         drv_data->cs_change = transfer->cs_change;
 
         /* Bits per word setup */
-        bits_per_word = transfer->bits_per_word ? : message->spi->bits_per_word;
-        if (bits_per_word == 8)
-                drv_data->ops = &bfin_sport_transfer_ops_u8;
-        else
+        bits_per_word = transfer->bits_per_word ? :
+                message->spi->bits_per_word ? : 8;
+        if (bits_per_word % 16 == 0)
                 drv_data->ops = &bfin_sport_transfer_ops_u16;
+        else
+                drv_data->ops = &bfin_sport_transfer_ops_u8;
+        bfin_write(&drv_data->regs->tcr2, bits_per_word - 1);
+        bfin_write(&drv_data->regs->tfsdiv, bits_per_word - 1);
+        bfin_write(&drv_data->regs->rcr2, bits_per_word - 1);
 
         drv_data->state = RUNNING_STATE;
 
@@ -598,11 +598,12 @@ bfin_sport_spi_setup(struct spi_device *spi)
                         }
                         chip->cs_chg_udelay = chip_info->cs_chg_udelay;
                         chip->idle_tx_val = chip_info->idle_tx_val;
-                        spi->bits_per_word = chip_info->bits_per_word;
                 }
         }
 
-        if (spi->bits_per_word != 8 && spi->bits_per_word != 16) {
+        if (spi->bits_per_word % 8) {
+                dev_err(&spi->dev, "%d bits_per_word is not supported\n",
+                                spi->bits_per_word);
                 ret = -EINVAL;
                 goto error;
         }
diff --git a/drivers/spi/spi-bfin5xx.c b/drivers/spi/spi-bfin5xx.c
index 3b83ff8b1e2..9bb4d4af854 100644
--- a/drivers/spi/spi-bfin5xx.c
+++ b/drivers/spi/spi-bfin5xx.c
@@ -396,7 +396,7 @@ static irqreturn_t bfin_spi_pio_irq_handler(int irq, void *dev_id)
                 /* last read */
                 if (drv_data->rx) {
                         dev_dbg(&drv_data->pdev->dev, "last read\n");
-                        if (n_bytes % 2) {
+                        if (!(n_bytes % 2)) {
                                 u16 *buf = (u16 *)drv_data->rx;
                                 for (loop = 0; loop < n_bytes / 2; loop++)
                                         *buf++ = bfin_read(&drv_data->regs->rdbr);
@@ -424,7 +424,7 @@ static irqreturn_t bfin_spi_pio_irq_handler(int irq, void *dev_id)
         if (drv_data->rx && drv_data->tx) {
                 /* duplex */
                 dev_dbg(&drv_data->pdev->dev, "duplex: write_TDBR\n");
-                if (n_bytes % 2) {
+                if (!(n_bytes % 2)) {
                         u16 *buf = (u16 *)drv_data->rx;
                         u16 *buf2 = (u16 *)drv_data->tx;
                         for (loop = 0; loop < n_bytes / 2; loop++) {
@@ -442,7 +442,7 @@ static irqreturn_t bfin_spi_pio_irq_handler(int irq, void *dev_id)
         } else if (drv_data->rx) {
                 /* read */
                 dev_dbg(&drv_data->pdev->dev, "read: write_TDBR\n");
-                if (n_bytes % 2) {
+                if (!(n_bytes % 2)) {
                         u16 *buf = (u16 *)drv_data->rx;
                         for (loop = 0; loop < n_bytes / 2; loop++) {
                                 *buf++ = bfin_read(&drv_data->regs->rdbr);
@@ -458,7 +458,7 @@ static irqreturn_t bfin_spi_pio_irq_handler(int irq, void *dev_id)
         } else if (drv_data->tx) {
                 /* write */
                 dev_dbg(&drv_data->pdev->dev, "write: write_TDBR\n");
-                if (n_bytes % 2) {
+                if (!(n_bytes % 2)) {
                         u16 *buf = (u16 *)drv_data->tx;
                         for (loop = 0; loop < n_bytes / 2; loop++) {
                                 bfin_read(&drv_data->regs->rdbr);
@@ -587,6 +587,7 @@ static void bfin_spi_pump_transfers(unsigned long data)
         if (message->state == DONE_STATE) {
                 dev_dbg(&drv_data->pdev->dev, "transfer: all done!\n");
                 message->status = 0;
+                bfin_spi_flush(drv_data);
                 bfin_spi_giveback(drv_data);
                 return;
         }
@@ -870,8 +871,10 @@ static void bfin_spi_pump_transfers(unsigned long data)
                 message->actual_length += drv_data->len_in_bytes;
                 /* Move to next transfer of this msg */
                 message->state = bfin_spi_next_transfer(drv_data);
-                if (drv_data->cs_change)
+                if (drv_data->cs_change && message->state != DONE_STATE) {
+                        bfin_spi_flush(drv_data);
                         bfin_spi_cs_deactive(drv_data, chip);
+                }
         }
 
         /* Schedule next transfer tasklet */
@@ -1026,7 +1029,6 @@ static int bfin_spi_setup(struct spi_device *spi)
                 chip->cs_chg_udelay = chip_info->cs_chg_udelay;
                 chip->idle_tx_val = chip_info->idle_tx_val;
                 chip->pio_interrupt = chip_info->pio_interrupt;
-                spi->bits_per_word = chip_info->bits_per_word;
         } else {
                 /* force a default base state */
                 chip->ctl_reg &= bfin_ctl_reg;
diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c
index 31bfba805cf..9b2901feaf7 100644
--- a/drivers/spi/spi-davinci.c
+++ b/drivers/spi/spi-davinci.c
@@ -653,7 +653,7 @@ static int davinci_spi_bufs(struct spi_device *spi, struct spi_transfer *t)
                         dev_dbg(sdev, "Couldn't DMA map a %d bytes RX buffer\n",
                                                                 rx_buf_count);
                         if (t->tx_buf)
-                                dma_unmap_single(NULL, t->tx_dma, t->len,
+                                dma_unmap_single(&spi->dev, t->tx_dma, t->len,
                                                                 DMA_TO_DEVICE);
                         return -ENOMEM;
                 }
@@ -692,10 +692,10 @@ static int davinci_spi_bufs(struct spi_device *spi, struct spi_transfer *t)
         if (spicfg->io_type == SPI_IO_TYPE_DMA) {
 
                 if (t->tx_buf)
-                        dma_unmap_single(NULL, t->tx_dma, t->len,
+                        dma_unmap_single(&spi->dev, t->tx_dma, t->len,
                                                                 DMA_TO_DEVICE);
 
-                dma_unmap_single(NULL, t->rx_dma, rx_buf_count,
+                dma_unmap_single(&spi->dev, t->rx_dma, rx_buf_count,
                                                         DMA_FROM_DEVICE);
 
                 clear_io_bits(dspi->base + SPIINT, SPIINT_DMA_REQ_EN);
diff --git a/drivers/spi/spi-ep93xx.c b/drivers/spi/spi-ep93xx.c
index 6db2887852d..e8055073e84 100644
--- a/drivers/spi/spi-ep93xx.c
+++ b/drivers/spi/spi-ep93xx.c
@@ -545,13 +545,12 @@ static void ep93xx_spi_pio_transfer(struct ep93xx_spi *espi)
  * in case of failure.
  */
 static struct dma_async_tx_descriptor *
-ep93xx_spi_dma_prepare(struct ep93xx_spi *espi, enum dma_data_direction dir)
+ep93xx_spi_dma_prepare(struct ep93xx_spi *espi, enum dma_transfer_direction dir)
 {
         struct spi_transfer *t = espi->current_msg->state;
         struct dma_async_tx_descriptor *txd;
         enum dma_slave_buswidth buswidth;
         struct dma_slave_config conf;
-        enum dma_transfer_direction slave_dirn;
         struct scatterlist *sg;
         struct sg_table *sgt;
         struct dma_chan *chan;
@@ -567,14 +566,13 @@ ep93xx_spi_dma_prepare(struct ep93xx_spi *espi, enum dma_data_direction dir)
         memset(&conf, 0, sizeof(conf));
         conf.direction = dir;
 
-        if (dir == DMA_FROM_DEVICE) {
+        if (dir == DMA_DEV_TO_MEM) {
                 chan = espi->dma_rx;
                 buf = t->rx_buf;
                 sgt = &espi->rx_sgt;
 
                 conf.src_addr = espi->sspdr_phys;
                 conf.src_addr_width = buswidth;
-                slave_dirn = DMA_DEV_TO_MEM;
         } else {
                 chan = espi->dma_tx;
                 buf = t->tx_buf;
@@ -582,7 +580,6 @@ ep93xx_spi_dma_prepare(struct ep93xx_spi *espi, enum dma_data_direction dir)
 
                 conf.dst_addr = espi->sspdr_phys;
                 conf.dst_addr_width = buswidth;
-                slave_dirn = DMA_MEM_TO_DEV;
         }
 
         ret = dmaengine_slave_config(chan, &conf);
@@ -633,8 +630,7 @@ ep93xx_spi_dma_prepare(struct ep93xx_spi *espi, enum dma_data_direction dir)
         if (!nents)
                 return ERR_PTR(-ENOMEM);
 
-        txd = dmaengine_prep_slave_sg(chan, sgt->sgl, nents,
-                                        slave_dirn, DMA_CTRL_ACK);
+        txd = dmaengine_prep_slave_sg(chan, sgt->sgl, nents, dir, DMA_CTRL_ACK);
         if (!txd) {
                 dma_unmap_sg(chan->device->dev, sgt->sgl, sgt->nents, dir);
                 return ERR_PTR(-ENOMEM);
@@ -651,12 +647,12 @@ ep93xx_spi_dma_prepare(struct ep93xx_spi *espi, enum dma_data_direction dir)
  * unmapped.
  */
 static void ep93xx_spi_dma_finish(struct ep93xx_spi *espi,
-                                  enum dma_data_direction dir)
+                                  enum dma_transfer_direction dir)
 {
         struct dma_chan *chan;
         struct sg_table *sgt;
 
-        if (dir == DMA_FROM_DEVICE) {
+        if (dir == DMA_DEV_TO_MEM) {
                 chan = espi->dma_rx;
                 sgt = &espi->rx_sgt;
         } else {
@@ -677,16 +673,16 @@ static void ep93xx_spi_dma_transfer(struct ep93xx_spi *espi)
         struct spi_message *msg = espi->current_msg;
         struct dma_async_tx_descriptor *rxd, *txd;
 
-        rxd = ep93xx_spi_dma_prepare(espi, DMA_FROM_DEVICE);
+        rxd = ep93xx_spi_dma_prepare(espi, DMA_DEV_TO_MEM);
         if (IS_ERR(rxd)) {
                 dev_err(&espi->pdev->dev, "DMA RX failed: %ld\n", PTR_ERR(rxd));
                 msg->status = PTR_ERR(rxd);
                 return;
         }
 
-        txd = ep93xx_spi_dma_prepare(espi, DMA_TO_DEVICE);
+        txd = ep93xx_spi_dma_prepare(espi, DMA_MEM_TO_DEV);
         if (IS_ERR(txd)) {
-                ep93xx_spi_dma_finish(espi, DMA_FROM_DEVICE);
+                ep93xx_spi_dma_finish(espi, DMA_DEV_TO_MEM);
                 dev_err(&espi->pdev->dev, "DMA TX failed: %ld\n", PTR_ERR(rxd));
                 msg->status = PTR_ERR(txd);
                 return;
@@ -705,8 +701,8 @@ static void ep93xx_spi_dma_transfer(struct ep93xx_spi *espi)
 
         wait_for_completion(&espi->wait);
 
-        ep93xx_spi_dma_finish(espi, DMA_TO_DEVICE);
-        ep93xx_spi_dma_finish(espi, DMA_FROM_DEVICE);
+        ep93xx_spi_dma_finish(espi, DMA_MEM_TO_DEV);
+        ep93xx_spi_dma_finish(espi, DMA_DEV_TO_MEM);
 }
 
 /**
diff --git a/drivers/spi/spi-fsl-spi.c b/drivers/spi/spi-fsl-spi.c
index 24cacff5778..5f748c0d96b 100644
--- a/drivers/spi/spi-fsl-spi.c
+++ b/drivers/spi/spi-fsl-spi.c
@@ -139,10 +139,12 @@ static void fsl_spi_change_mode(struct spi_device *spi)
 static void fsl_spi_chipselect(struct spi_device *spi, int value)
 {
         struct mpc8xxx_spi *mpc8xxx_spi = spi_master_get_devdata(spi->master);
-        struct fsl_spi_platform_data *pdata = spi->dev.parent->platform_data;
+        struct fsl_spi_platform_data *pdata;
         bool pol = spi->mode & SPI_CS_HIGH;
         struct spi_mpc8xxx_cs   *cs = spi->controller_state;
 
+        pdata = spi->dev.parent->parent->platform_data;
+
         if (value == BITBANG_CS_INACTIVE) {
                 if (pdata->cs_control)
                         pdata->cs_control(spi, !pol);
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index 31054e3de4c..570f22053be 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -83,7 +83,7 @@ struct spi_imx_data {
         struct spi_bitbang bitbang;
 
         struct completion xfer_done;
-        void *base;
+        void __iomem *base;
         int irq;
         struct clk *clk;
         unsigned long spi_clk;
@@ -766,8 +766,12 @@ static int __devinit spi_imx_probe(struct platform_device *pdev)
         }
 
         ret = of_property_read_u32(np, "fsl,spi-num-chipselects", &num_cs);
-        if (ret < 0)
-                num_cs = mxc_platform_info->num_chipselect;
+        if (ret < 0) {
+                if (mxc_platform_info)
+                        num_cs = mxc_platform_info->num_chipselect;
+                else
+                        return ret;
+        }
 
         master = spi_alloc_master(&pdev->dev,
                         sizeof(struct spi_imx_data) + sizeof(int) * num_cs);
@@ -784,7 +788,7 @@ static int __devinit spi_imx_probe(struct platform_device *pdev)
 
         for (i = 0; i < master->num_chipselect; i++) {
                 int cs_gpio = of_get_named_gpio(np, "cs-gpios", i);
-                if (cs_gpio < 0)
+                if (cs_gpio < 0 && mxc_platform_info)
                         cs_gpio = mxc_platform_info->chipselect[i];
 
                 spi_imx->chipselect[i] = cs_gpio;
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
index 96f0da66b18..400ae2121a2 100644
--- a/drivers/spi/spi-pl022.c
+++ b/drivers/spi/spi-pl022.c
@@ -1667,9 +1667,15 @@ static int calculate_effective_freq(struct pl022 *pl022, int freq, struct
         /* cpsdvsr = 254 & scr = 255 */
         min_tclk = spi_rate(rate, CPSDVR_MAX, SCR_MAX);
 
-        if (!((freq <= max_tclk) && (freq >= min_tclk))) {
+        if (freq > max_tclk)
+                dev_warn(&pl022->adev->dev,
+                        "Max speed that can be programmed is %d Hz, you requested %d\n",
+                        max_tclk, freq);
+
+        if (freq < min_tclk) {
                 dev_err(&pl022->adev->dev,
-                        "controller data is incorrect: out of range frequency");
+                        "Requested frequency: %d Hz is less than minimum possible %d Hz\n",
+                        freq, min_tclk);
                 return -EINVAL;
         }
 
@@ -1681,26 +1687,37 @@ static int calculate_effective_freq(struct pl022 *pl022, int freq, struct
                 while (scr <= SCR_MAX) {
                         tmp = spi_rate(rate, cpsdvsr, scr);
 
-                        if (tmp > freq)
+                        if (tmp > freq) {
+                                /* we need lower freq */
                                 scr++;
+                                continue;
+                        }
+
                         /*
-                         * If found exact value, update and break.
-                         * If found more closer value, update and continue.
+                         * If found exact value, mark found and break.
+                         * If found more closer value, update and break.
                          */
-                        else if ((tmp == freq) || (tmp > best_freq)) {
+                        if (tmp > best_freq) {
                                 best_freq = tmp;
                                 best_cpsdvsr = cpsdvsr;
                                 best_scr = scr;
 
                                 if (tmp == freq)
-                                        break;
+                                        found = 1;
                         }
-                        scr++;
+                        /*
+                         * increased scr will give lower rates, which are not
+                         * required
+                         */
+                        break;
                 }
                 cpsdvsr += 2;
                 scr = SCR_MIN;
         }
 
+        WARN(!best_freq, "pl022: Matching cpsdvsr and scr not found for %d Hz rate \n",
+                        freq);
+
         clk_freq->cpsdvsr = (u8) (best_cpsdvsr & 0xFF);
         clk_freq->scr = (u8) (best_scr & 0xFF);
         dev_dbg(&pl022->adev->dev,
@@ -1823,9 +1840,12 @@ static int pl022_setup(struct spi_device *spi)
         } else
                 chip->cs_control = chip_info->cs_control;
 
-        if (bits <= 3) {
-                /* PL022 doesn't support less than 4-bits */
+        /* Check bits per word with vendor specific range */
+        if ((bits <= 3) || (bits > pl022->vendor->max_bpw)) {
                 status = -ENOTSUPP;
+                dev_err(&spi->dev, "illegal data size for this controller!\n");
+                dev_err(&spi->dev, "This controller can only handle 4 <= n <= %d bit words\n",
+                                pl022->vendor->max_bpw);
                 goto err_config_params;
         } else if (bits <= 8) {
                 dev_dbg(&spi->dev, "4 <= n <=8 bits per word\n");
@@ -1838,20 +1858,10 @@ static int pl022_setup(struct spi_device *spi)
                 chip->read = READING_U16;
                 chip->write = WRITING_U16;
         } else {
-                if (pl022->vendor->max_bpw >= 32) {
-                        dev_dbg(&spi->dev, "17 <= n <= 32 bits per word\n");
-                        chip->n_bytes = 4;
-                        chip->read = READING_U32;
-                        chip->write = WRITING_U32;
-                } else {
-                        dev_err(&spi->dev,
-                                "illegal data size for this controller!\n");
-                        dev_err(&spi->dev,
-                                "a standard pl022 can only handle "
-                                "1 <= n <= 16 bit words\n");
-                        status = -ENOTSUPP;
-                        goto err_config_params;
-                }
+                dev_dbg(&spi->dev, "17 <= n <= 32 bits per word\n");
+                chip->n_bytes = 4;
+                chip->read = READING_U32;
+                chip->write = WRITING_U32;
         }
 
         /* Now Initialize all register settings required for this chip */
@@ -2195,7 +2205,6 @@ static int pl022_runtime_suspend(struct device *dev)
         struct pl022 *pl022 = dev_get_drvdata(dev);
 
         clk_disable(pl022->clk);
-        amba_vcore_disable(pl022->adev);
 
         return 0;
 }
@@ -2204,7 +2213,6 @@ static int pl022_runtime_resume(struct device *dev)
 {
         struct pl022 *pl022 = dev_get_drvdata(dev);
 
-        amba_vcore_enable(pl022->adev);
         clk_enable(pl022->clk);
 
         return 0;
diff --git a/drivers/staging/android/Kconfig b/drivers/staging/android/Kconfig
index 60dc7108c8b..c706635f3f8 100644
--- a/drivers/staging/android/Kconfig
+++ b/drivers/staging/android/Kconfig
@@ -27,13 +27,14 @@ config ANDROID_LOGGER
 
 config ANDROID_PERSISTENT_RAM
         bool
+        depends on HAVE_MEMBLOCK
         select REED_SOLOMON
         select REED_SOLOMON_ENC8
         select REED_SOLOMON_DEC8
 
 config ANDROID_RAM_CONSOLE
         bool "Android RAM buffer console"
-        depends on !S390 && !UML
+        depends on !S390 && !UML && HAVE_MEMBLOCK
         select ANDROID_PERSISTENT_RAM
         default n
 
diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c
index 052b43e4e50..b91e4bc332a 100644
--- a/drivers/staging/android/lowmemorykiller.c
+++ b/drivers/staging/android/lowmemorykiller.c
@@ -55,7 +55,6 @@ static int lowmem_minfree[6] = {
 };
 static int lowmem_minfree_size = 4;
 
-static struct task_struct *lowmem_deathpending;
 static unsigned long lowmem_deathpending_timeout;
 
 #define lowmem_print(level, x...)                       \
@@ -64,24 +63,6 @@ static unsigned long lowmem_deathpending_timeout;
                         printk(x);                      \
         } while (0)
 
-static int
-task_notify_func(struct notifier_block *self, unsigned long val, void *data);
-
-static struct notifier_block task_nb = {
-        .notifier_call  = task_notify_func,
-};
-
-static int
-task_notify_func(struct notifier_block *self, unsigned long val, void *data)
-{
-        struct task_struct *task = data;
-
-        if (task == lowmem_deathpending)
-                lowmem_deathpending = NULL;
-
-        return NOTIFY_OK;
-}
-
 static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc)
 {
         struct task_struct *tsk;
@@ -97,19 +78,6 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc)
         int other_file = global_page_state(NR_FILE_PAGES) -
                                                 global_page_state(NR_SHMEM);
 
-        /*
-         * If we already have a death outstanding, then
-         * bail out right away; indicating to vmscan
-         * that we have nothing further to offer on
-         * this pass.
-         *
-         * Note: Currently you need CONFIG_PROFILING
-         * for this to work correctly.
-         */
-        if (lowmem_deathpending &&
-            time_before_eq(jiffies, lowmem_deathpending_timeout))
-                return 0;
-
         if (lowmem_adj_size < array_size)
                 array_size = lowmem_adj_size;
         if (lowmem_minfree_size < array_size)
@@ -148,6 +116,12 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc)
                 if (!p)
                         continue;
 
+                if (test_tsk_thread_flag(p, TIF_MEMDIE) &&
+                    time_before_eq(jiffies, lowmem_deathpending_timeout)) {
+                        task_unlock(p);
+                        rcu_read_unlock();
+                        return 0;
+                }
                 oom_score_adj = p->signal->oom_score_adj;
                 if (oom_score_adj < min_score_adj) {
                         task_unlock(p);
@@ -174,15 +148,9 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc)
                 lowmem_print(1, "send sigkill to %d (%s), adj %d, size %d\n",
                              selected->pid, selected->comm,
                              selected_oom_score_adj, selected_tasksize);
-                /*
-                 * If CONFIG_PROFILING is off, then we don't want to stall
-                 * the killer by setting lowmem_deathpending.
-                 */
-#ifdef CONFIG_PROFILING
-                lowmem_deathpending = selected;
                 lowmem_deathpending_timeout = jiffies + HZ;
-#endif
                 send_sig(SIGKILL, selected, 0);
+                set_tsk_thread_flag(selected, TIF_MEMDIE);
                 rem -= selected_tasksize;
         }
         lowmem_print(4, "lowmem_shrink %lu, %x, return %d\n",
@@ -198,7 +166,6 @@ static struct shrinker lowmem_shrinker = {
 
 static int __init lowmem_init(void)
 {
-        task_handoff_register(&task_nb);
         register_shrinker(&lowmem_shrinker);
         return 0;
 }
@@ -206,7 +173,6 @@ static int __init lowmem_init(void)
 static void __exit lowmem_exit(void)
 {
         unregister_shrinker(&lowmem_shrinker);
-        task_handoff_unregister(&task_nb);
 }
 
 module_param_named(cost, lowmem_shrinker.seeks, int, S_IRUGO | S_IWUSR);
diff --git a/drivers/staging/android/persistent_ram.c b/drivers/staging/android/persistent_ram.c
index e08f2574e30..8d8c1e33e0f 100644
--- a/drivers/staging/android/persistent_ram.c
+++ b/drivers/staging/android/persistent_ram.c
@@ -399,12 +399,12 @@ static  __init
 struct persistent_ram_zone *__persistent_ram_init(struct device *dev, bool ecc)
 {
         struct persistent_ram_zone *prz;
-        int ret;
+        int ret = -ENOMEM;
 
         prz = kzalloc(sizeof(struct persistent_ram_zone), GFP_KERNEL);
         if (!prz) {
                 pr_err("persistent_ram: failed to allocate persistent ram zone\n");
-                return ERR_PTR(-ENOMEM);
+                goto err;
         }
 
         INIT_LIST_HEAD(&prz->node);
@@ -412,13 +412,13 @@ struct persistent_ram_zone *__persistent_ram_init(struct device *dev, bool ecc)
         ret = persistent_ram_buffer_init(dev_name(dev), prz);
         if (ret) {
                 pr_err("persistent_ram: failed to initialize buffer\n");
-                return ERR_PTR(ret);
+                goto err;
         }
 
         prz->ecc = ecc;
         ret = persistent_ram_init_ecc(prz, prz->buffer_size);
         if (ret)
-                return ERR_PTR(ret);
+                goto err;
 
         if (prz->buffer->sig == PERSISTENT_RAM_SIG) {
                 if (buffer_size(prz) > prz->buffer_size ||
@@ -442,6 +442,9 @@ struct persistent_ram_zone *__persistent_ram_init(struct device *dev, bool ecc)
         atomic_set(&prz->buffer->size, 0);
 
         return prz;
+err:
+        kfree(prz);
+        return ERR_PTR(ret);
 }
 
 struct persistent_ram_zone * __init
diff --git a/drivers/staging/android/timed_gpio.c b/drivers/staging/android/timed_gpio.c
index bc723eff11a..45c522cbe78 100644
--- a/drivers/staging/android/timed_gpio.c
+++ b/drivers/staging/android/timed_gpio.c
@@ -85,7 +85,7 @@ static int timed_gpio_probe(struct platform_device *pdev)
         struct timed_gpio_platform_data *pdata = pdev->dev.platform_data;
         struct timed_gpio *cur_gpio;
         struct timed_gpio_data *gpio_data, *gpio_dat;
-        int i, j, ret = 0;
+        int i, ret;
 
         if (!pdata)
                 return -EBUSY;
@@ -108,18 +108,12 @@ static int timed_gpio_probe(struct platform_device *pdev)
                 gpio_dat->dev.get_time = gpio_get_time;
                 gpio_dat->dev.enable = gpio_enable;
                 ret = gpio_request(cur_gpio->gpio, cur_gpio->name);
-                if (ret >= 0) {
-                        ret = timed_output_dev_register(&gpio_dat->dev);
-                        if (ret < 0)
-                                gpio_free(cur_gpio->gpio);
-                }
+                if (ret < 0)
+                        goto err_out;
+                ret = timed_output_dev_register(&gpio_dat->dev);
                 if (ret < 0) {
-                        for (j = 0; j < i; j++) {
-                                timed_output_dev_unregister(&gpio_data[i].dev);
-                                gpio_free(gpio_data[i].gpio);
-                        }
-                        kfree(gpio_data);
-                        return ret;
+                        gpio_free(cur_gpio->gpio);
+                        goto err_out;
                 }
 
                 gpio_dat->gpio = cur_gpio->gpio;
@@ -131,6 +125,15 @@ static int timed_gpio_probe(struct platform_device *pdev)
         platform_set_drvdata(pdev, gpio_data);
 
         return 0;
+
+err_out:
+        while (--i >= 0) {
+                timed_output_dev_unregister(&gpio_data[i].dev);
+                gpio_free(gpio_data[i].gpio);
+        }
+        kfree(gpio_data);
+
+        return ret;
 }
 
 static int timed_gpio_remove(struct platform_device *pdev)
diff --git a/drivers/staging/iio/inkern.c b/drivers/staging/iio/inkern.c
index de2c8ea6496..ef07a02bf54 100644
--- a/drivers/staging/iio/inkern.c
+++ b/drivers/staging/iio/inkern.c
@@ -82,6 +82,7 @@ int iio_map_array_unregister(struct iio_dev *indio_dev,
                         ret = -ENODEV;
                         goto error_ret;
                 }
+                i++;
         }
 error_ret:
         mutex_unlock(&iio_map_list_lock);
diff --git a/drivers/staging/iio/magnetometer/ak8975.c b/drivers/staging/iio/magnetometer/ak8975.c
index d5ddac3d883..ebc2d0840ca 100644
--- a/drivers/staging/iio/magnetometer/ak8975.c
+++ b/drivers/staging/iio/magnetometer/ak8975.c
@@ -108,7 +108,8 @@ static const int ak8975_index_to_reg[] = {
 static int ak8975_write_data(struct i2c_client *client,
                              u8 reg, u8 val, u8 mask, u8 shift)
 {
-        struct ak8975_data *data = i2c_get_clientdata(client);
+        struct iio_dev *indio_dev = i2c_get_clientdata(client);
+        struct ak8975_data *data = iio_priv(indio_dev);
         u8 regval;
         int ret;
 
@@ -159,7 +160,8 @@ static int ak8975_read_data(struct i2c_client *client,
  */
 static int ak8975_setup(struct i2c_client *client)
 {
-        struct ak8975_data *data = i2c_get_clientdata(client);
+        struct iio_dev *indio_dev = i2c_get_clientdata(client);
+        struct ak8975_data *data = iio_priv(indio_dev);
         u8 device_id;
         int ret;
 
@@ -509,6 +511,7 @@ static int ak8975_probe(struct i2c_client *client,
                 goto exit_gpio;
         }
         data = iio_priv(indio_dev);
+        i2c_set_clientdata(client, indio_dev);
         /* Perform some basic start-of-day setup of the device. */
         err = ak8975_setup(client);
         if (err < 0) {
@@ -516,7 +519,6 @@ static int ak8975_probe(struct i2c_client *client,
                 goto exit_free_iio;
         }
 
-        i2c_set_clientdata(client, indio_dev);
         data->client = client;
         mutex_init(&data->lock);
         data->eoc_irq = client->irq;
diff --git a/drivers/staging/iio/magnetometer/hmc5843.c b/drivers/staging/iio/magnetometer/hmc5843.c
index 91dd3da70cb..e00b416c4d3 100644
--- a/drivers/staging/iio/magnetometer/hmc5843.c
+++ b/drivers/staging/iio/magnetometer/hmc5843.c
@@ -521,7 +521,9 @@ static int hmc5843_detect(struct i2c_client *client,
 /* Called when we have found a new HMC5843. */
 static void hmc5843_init_client(struct i2c_client *client)
 {
-        struct hmc5843_data *data = i2c_get_clientdata(client);
+        struct iio_dev *indio_dev = i2c_get_clientdata(client);
+        struct hmc5843_data *data = iio_priv(indio_dev);
+
         hmc5843_set_meas_conf(client, data->meas_conf);
         hmc5843_set_rate(client, data->rate);
         hmc5843_configure(client, data->operating_mode);
diff --git a/drivers/staging/media/as102/as102_fw.c b/drivers/staging/media/as102/as102_fw.c
index 43ebc43e6b9..1075fb1df0d 100644
--- a/drivers/staging/media/as102/as102_fw.c
+++ b/drivers/staging/media/as102/as102_fw.c
@@ -165,7 +165,7 @@ error:
 int as102_fw_upload(struct as10x_bus_adapter_t *bus_adap)
 {
         int errno = -EFAULT;
-        const struct firmware *firmware;
+        const struct firmware *firmware = NULL;
         unsigned char *cmd_buf = NULL;
         char *fw1, *fw2;
         struct usb_device *dev = bus_adap->usb_dev;
diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c
index 400df8cbee5..d91751f9ffe 100644
--- a/drivers/staging/octeon/ethernet-rx.c
+++ b/drivers/staging/octeon/ethernet-rx.c
@@ -36,6 +36,7 @@
 #include <linux/prefetch.h>
 #include <linux/ratelimit.h>
 #include <linux/smp.h>
+#include <linux/interrupt.h>
 #include <net/dst.h>
 #ifdef CONFIG_XFRM
 #include <linux/xfrm.h>
diff --git a/drivers/staging/octeon/ethernet-tx.c b/drivers/staging/octeon/ethernet-tx.c
index 56d74dc2fbd..91a97b3e45c 100644
--- a/drivers/staging/octeon/ethernet-tx.c
+++ b/drivers/staging/octeon/ethernet-tx.c
@@ -32,6 +32,7 @@
 #include <linux/ip.h>
 #include <linux/ratelimit.h>
 #include <linux/string.h>
+#include <linux/interrupt.h>
 #include <net/dst.h>
 #ifdef CONFIG_XFRM
 #include <linux/xfrm.h>
diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c
index 9112cd88215..60cba8194de 100644
--- a/drivers/staging/octeon/ethernet.c
+++ b/drivers/staging/octeon/ethernet.c
@@ -31,6 +31,7 @@
 #include <linux/etherdevice.h>
 #include <linux/phy.h>
 #include <linux/slab.h>
+#include <linux/interrupt.h>
 
 #include <net/dst.h>
 
diff --git a/drivers/staging/omapdrm/omap_drv.c b/drivers/staging/omapdrm/omap_drv.c
index 3df5b4c58ec..620b8d54223 100644
--- a/drivers/staging/omapdrm/omap_drv.c
+++ b/drivers/staging/omapdrm/omap_drv.c
@@ -803,9 +803,6 @@ static void pdev_shutdown(struct platform_device *device)
 static int pdev_probe(struct platform_device *device)
 {
         DBG("%s", device->name);
-        if (platform_driver_register(&omap_dmm_driver))
-                dev_err(&device->dev, "DMM registration failed\n");
-
         return drm_platform_init(&omap_drm_driver, device);
 }
 
@@ -833,6 +830,10 @@ struct platform_driver pdev = {
 static int __init omap_drm_init(void)
 {
         DBG("init");
+        if (platform_driver_register(&omap_dmm_driver)) {
+                /* we can continue on without DMM.. so not fatal */
+                dev_err(NULL, "DMM registration failed\n");
+        }
         return platform_driver_register(&pdev);
 }
 
diff --git a/drivers/staging/ozwpan/TODO b/drivers/staging/ozwpan/TODO
index f7a9c122f59..c2d30a7112f 100644
--- a/drivers/staging/ozwpan/TODO
+++ b/drivers/staging/ozwpan/TODO
@@ -8,5 +8,7 @@ TODO:
         - code review by USB developer community.
         - testing with as many devices as possible.
 
-Please send any patches for this driver to Chris Kelly <ckelly@ozmodevices.com>
+Please send any patches for this driver to
+Rupesh Gujare <rgujare@ozmodevices.com>
+Chris Kelly <ckelly@ozmodevices.com>
 and Greg Kroah-Hartman <gregkh@linuxfoundation.org>.
diff --git a/drivers/staging/ozwpan/ozpd.c b/drivers/staging/ozwpan/ozpd.c
index 2b45d3d1800..04cd57f2a6d 100644
--- a/drivers/staging/ozwpan/ozpd.c
+++ b/drivers/staging/ozwpan/ozpd.c
@@ -383,8 +383,6 @@ static void oz_tx_frame_free(struct oz_pd *pd, struct oz_tx_frame *f)
                 pd->tx_pool = &f->link;
                 pd->tx_pool_count++;
                 f = 0;
-        } else {
-                kfree(f);
         }
         spin_unlock_bh(&pd->tx_frame_lock);
         if (f)
diff --git a/drivers/staging/ramster/Kconfig b/drivers/staging/ramster/Kconfig
index 8b57b87edda..4af1f8d4b95 100644
--- a/drivers/staging/ramster/Kconfig
+++ b/drivers/staging/ramster/Kconfig
@@ -1,10 +1,6 @@
-# Dependency on CONFIG_BROKEN is because there is a commit dependency
-# on a cleancache naming change to be submitted by Konrad Wilk
-# a39c00ded70339603ffe1b0ffdf3ade85bcf009a "Merge branch 'stable/cleancache.v13'
-# into linux-next.  Once this commit is present, BROKEN can be removed
 config RAMSTER
         bool "Cross-machine RAM capacity sharing, aka peer-to-peer tmem"
-        depends on (CLEANCACHE || FRONTSWAP) && CONFIGFS_FS=y && !ZCACHE && !XVMALLOC && !HIGHMEM && BROKEN
+        depends on (CLEANCACHE || FRONTSWAP) && CONFIGFS_FS=y && !ZCACHE && !XVMALLOC && !HIGHMEM
         select LZO_COMPRESS
         select LZO_DECOMPRESS
         default n
diff --git a/drivers/staging/rts_pstor/ms.c b/drivers/staging/rts_pstor/ms.c
index 66341dff8c9..f9a4498984c 100644
--- a/drivers/staging/rts_pstor/ms.c
+++ b/drivers/staging/rts_pstor/ms.c
@@ -3498,7 +3498,8 @@ static int ms_rw_multi_sector(struct scsi_cmnd *srb, struct rtsx_chip *chip, u32
 
                 log_blk++;
 
-                for (seg_no = 0; seg_no < sizeof(ms_start_idx)/2; seg_no++) {
+                for (seg_no = 0; seg_no < ARRAY_SIZE(ms_start_idx) - 1;
+                                seg_no++) {
                         if (log_blk < ms_start_idx[seg_no+1])
                                 break;
                 }
diff --git a/drivers/staging/rts_pstor/rtsx.c b/drivers/staging/rts_pstor/rtsx.c
index a7feb3e328a..1dccd933a7e 100644
--- a/drivers/staging/rts_pstor/rtsx.c
+++ b/drivers/staging/rts_pstor/rtsx.c
@@ -1000,6 +1000,11 @@ static int __devinit rtsx_probe(struct pci_dev *pci,
 
         rtsx_init_chip(dev->chip);
 
+        /* set the supported max_lun and max_id for the scsi host
+         * NOTE: the minimal value of max_id is 1 */
+        host->max_id = 1;
+        host->max_lun = dev->chip->max_lun;
+
         /* Start up our control thread */
         th = kthread_run(rtsx_control_thread, dev, CR_DRIVER_NAME);
         if (IS_ERR(th)) {
diff --git a/drivers/staging/rts_pstor/rtsx_transport.c b/drivers/staging/rts_pstor/rtsx_transport.c
index 4e3d2c106af..9b2e5c99870 100644
--- a/drivers/staging/rts_pstor/rtsx_transport.c
+++ b/drivers/staging/rts_pstor/rtsx_transport.c
@@ -335,6 +335,7 @@ static int rtsx_transfer_sglist_adma_partial(struct rtsx_chip *chip, u8 card,
         int sg_cnt, i, resid;
         int err = 0;
         long timeleft;
+        struct scatterlist *sg_ptr;
         u32 val = TRIG_DMA;
 
         if ((sg == NULL) || (num_sg <= 0) || !offset || !index)
@@ -371,7 +372,7 @@ static int rtsx_transfer_sglist_adma_partial(struct rtsx_chip *chip, u8 card,
         sg_cnt = dma_map_sg(&(rtsx->pci->dev), sg, num_sg, dma_dir);
 
         resid = size;
-
+        sg_ptr = sg;
         chip->sgi = 0;
         /* Usually the next entry will be @sg@ + 1, but if this sg element
          * is part of a chained scatterlist, it could jump to the start of
@@ -379,14 +380,14 @@ static int rtsx_transfer_sglist_adma_partial(struct rtsx_chip *chip, u8 card,
          * the proper sg
          */
         for (i = 0; i < *index; i++)
-                sg = sg_next(sg);
+                sg_ptr = sg_next(sg_ptr);
         for (i = *index; i < sg_cnt; i++) {
                 dma_addr_t addr;
                 unsigned int len;
                 u8 option;
 
-                addr = sg_dma_address(sg);
-                len = sg_dma_len(sg);
+                addr = sg_dma_address(sg_ptr);
+                len = sg_dma_len(sg_ptr);
 
                 RTSX_DEBUGP("DMA addr: 0x%x, Len: 0x%x\n",
                              (unsigned int)addr, len);
@@ -415,7 +416,7 @@ static int rtsx_transfer_sglist_adma_partial(struct rtsx_chip *chip, u8 card,
                 if (!resid)
                         break;
 
-                sg = sg_next(sg);
+                sg_ptr = sg_next(sg_ptr);
         }
 
         RTSX_DEBUGP("SG table count = %d\n", chip->sgi);
diff --git a/drivers/staging/sep/sep_main.c b/drivers/staging/sep/sep_main.c
index ad54c2e5c93..f1701bc6e31 100644
--- a/drivers/staging/sep/sep_main.c
+++ b/drivers/staging/sep/sep_main.c
@@ -3114,7 +3114,7 @@ static long sep_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
                         current->pid);
                 if (1 == test_bit(SEP_LEGACY_SENDMSG_DONE_OFFSET,
                                   &call_status->status)) {
-                        dev_warn(&sep->pdev->dev,
+                        dev_dbg(&sep->pdev->dev,
                                 "[PID%d] dcb prep needed before send msg\n",
                                 current->pid);
                         error = -EPROTO;
@@ -3122,9 +3122,9 @@ static long sep_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
                 }
 
                 if (!arg) {
-                        dev_warn(&sep->pdev->dev,
+                        dev_dbg(&sep->pdev->dev,
                                 "[PID%d] dcb null arg\n", current->pid);
-                        error = EINVAL;
+                        error = -EINVAL;
                         goto end_function;
                 }
 
diff --git a/drivers/staging/tidspbridge/core/tiomap3430.c b/drivers/staging/tidspbridge/core/tiomap3430.c
index 7862513cc29..9cf29fcea11 100644
--- a/drivers/staging/tidspbridge/core/tiomap3430.c
+++ b/drivers/staging/tidspbridge/core/tiomap3430.c
@@ -79,10 +79,6 @@
 #define OMAP343X_CONTROL_IVA2_BOOTADDR (OMAP2_CONTROL_GENERAL + 0x0190)
 #define OMAP343X_CONTROL_IVA2_BOOTMOD (OMAP2_CONTROL_GENERAL + 0x0194)
 
-#define OMAP343X_CTRL_REGADDR(reg) \
-        OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE + (reg))
-
-
 /* Forward Declarations: */
 static int bridge_brd_monitor(struct bridge_dev_context *dev_ctxt);
 static int bridge_brd_read(struct bridge_dev_context *dev_ctxt,
@@ -418,19 +414,27 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt,
 
                 /* Assert RST1 i.e only the RST only for DSP megacell */
                 if (!status) {
+                        /*
+                         * XXX: ioremapping  MUST be removed once ctrl
+                         * function is made available.
+                         */
+                        void __iomem *ctrl = ioremap(OMAP343X_CTRL_BASE, SZ_4K);
+                        if (!ctrl)
+                                return -ENOMEM;
+
                         (*pdata->dsp_prm_rmw_bits)(OMAP3430_RST1_IVA2_MASK,
                                         OMAP3430_RST1_IVA2_MASK, OMAP3430_IVA2_MOD,
                                         OMAP2_RM_RSTCTRL);
                         /* Mask address with 1K for compatibility */
                         __raw_writel(dsp_addr & OMAP3_IVA2_BOOTADDR_MASK,
-                                        OMAP343X_CTRL_REGADDR(
-                                        OMAP343X_CONTROL_IVA2_BOOTADDR));
+                                        ctrl + OMAP343X_CONTROL_IVA2_BOOTADDR);
                         /*
                          * Set bootmode to self loop if dsp_debug flag is true
                          */
                         __raw_writel((dsp_debug) ? OMAP3_IVA2_BOOTMOD_IDLE : 0,
-                                        OMAP343X_CTRL_REGADDR(
-                                        OMAP343X_CONTROL_IVA2_BOOTMOD));
+                                        ctrl + OMAP343X_CONTROL_IVA2_BOOTMOD);
+
+                        iounmap(ctrl);
                 }
         }
         if (!status) {
diff --git a/drivers/staging/tidspbridge/core/wdt.c b/drivers/staging/tidspbridge/core/wdt.c
index 70055c8111e..870f934f4f3 100644
--- a/drivers/staging/tidspbridge/core/wdt.c
+++ b/drivers/staging/tidspbridge/core/wdt.c
@@ -53,7 +53,10 @@ int dsp_wdt_init(void)
         int ret = 0;
 
         dsp_wdt.sm_wdt = NULL;
-        dsp_wdt.reg_base = OMAP2_L4_IO_ADDRESS(OMAP34XX_WDT3_BASE);
+        dsp_wdt.reg_base = ioremap(OMAP34XX_WDT3_BASE, SZ_4K);
+        if (!dsp_wdt.reg_base)
+                return -ENOMEM;
+
         tasklet_init(&dsp_wdt.wdt3_tasklet, dsp_wdt_dpc, 0);
 
         dsp_wdt.fclk = clk_get(NULL, "wdt3_fck");
@@ -99,6 +102,9 @@ void dsp_wdt_exit(void)
         dsp_wdt.fclk = NULL;
         dsp_wdt.iclk = NULL;
         dsp_wdt.sm_wdt = NULL;
+
+        if (dsp_wdt.reg_base)
+                iounmap(dsp_wdt.reg_base);
         dsp_wdt.reg_base = NULL;
 }
 
diff --git a/drivers/staging/vme/devices/vme_pio2_core.c b/drivers/staging/vme/devices/vme_pio2_core.c
index 9fedc442a77..573c80003f0 100644
--- a/drivers/staging/vme/devices/vme_pio2_core.c
+++ b/drivers/staging/vme/devices/vme_pio2_core.c
@@ -35,10 +35,10 @@ static int vector[PIO2_CARDS_MAX];
 static int vector_num;
 static int level[PIO2_CARDS_MAX];
 static int level_num;
-static const char *variant[PIO2_CARDS_MAX];
+static char *variant[PIO2_CARDS_MAX];
 static int variant_num;
 
-static int loopback;
+static bool loopback;
 
 static int pio2_match(struct vme_dev *);
 static int __devinit pio2_probe(struct vme_dev *);
diff --git a/drivers/staging/vt6655/key.c b/drivers/staging/vt6655/key.c
index 0ff8d7bbf2a..774b0d4a7e0 100644
--- a/drivers/staging/vt6655/key.c
+++ b/drivers/staging/vt6655/key.c
@@ -655,6 +655,9 @@ bool KeybSetDefaultKey (
         return (false);
     }
 
+    if (uKeyLength > MAX_KEY_LEN)
+            return false;
+
     pTable->KeyTable[MAX_KEY_TABLE-1].bInUse = true;
     for(ii=0;ii<ETH_ALEN;ii++)
         pTable->KeyTable[MAX_KEY_TABLE-1].abyBSSID[ii] = 0xFF;
diff --git a/drivers/staging/vt6656/ioctl.c b/drivers/staging/vt6656/ioctl.c
index 1463d76895f..d59456c29df 100644
--- a/drivers/staging/vt6656/ioctl.c
+++ b/drivers/staging/vt6656/ioctl.c
@@ -565,7 +565,7 @@ int private_ioctl(PSDevice pDevice, struct ifreq *rq)
                         result = -ENOMEM;
                         break;
                 }
-                pNodeList = (PSNodeList)kmalloc(sizeof(SNodeList) + (sNodeList.uItem * sizeof(SNodeItem)), (int)GFP_ATOMIC);
+                pNodeList = kmalloc(sizeof(SNodeList) + (sNodeList.uItem * sizeof(SNodeItem)), (int)GFP_ATOMIC);
                 if (pNodeList == NULL) {
                         result = -ENOMEM;
                         break;
@@ -601,6 +601,7 @@ int private_ioctl(PSDevice pDevice, struct ifreq *rq)
                         }
                 }
                 if (copy_to_user(pReq->data, pNodeList, sizeof(SNodeList) + (sNodeList.uItem * sizeof(SNodeItem)))) {
+                        kfree(pNodeList);
                         result = -EFAULT;
                         break;
                 }
diff --git a/drivers/staging/vt6656/key.c b/drivers/staging/vt6656/key.c
index 27bb523c8a9..ee62a06a75f 100644
--- a/drivers/staging/vt6656/key.c
+++ b/drivers/staging/vt6656/key.c
@@ -684,6 +684,9 @@ BOOL KeybSetDefaultKey(
         return (FALSE);
     }
 
+    if (uKeyLength > MAX_KEY_LEN)
+            return false;
+
     pTable->KeyTable[MAX_KEY_TABLE-1].bInUse = TRUE;
     for (ii = 0; ii < ETH_ALEN; ii++)
         pTable->KeyTable[MAX_KEY_TABLE-1].abyBSSID[ii] = 0xFF;
diff --git a/drivers/staging/xgifb/vb_init.c b/drivers/staging/xgifb/vb_init.c
index 94d5c35e22f..3650bbff768 100644
--- a/drivers/staging/xgifb/vb_init.c
+++ b/drivers/staging/xgifb/vb_init.c
@@ -61,7 +61,7 @@ XGINew_GetXG20DRAMType(struct xgi_hw_device_info *HwDeviceExtension,
                 }
                 temp = xgifb_reg_get(pVBInfo->P3c4, 0x3B);
                 /* SR3B[7][3]MAA15 MAA11 (Power on Trapping) */
-                if ((temp & 0x88) == 0x80)
+                if (((temp & 0x88) == 0x80) || ((temp & 0x88) == 0x08))
                         data = 0; /* DDR */
                 else
                         data = 1; /* DDRII */
diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c
index 2919924213c..60d4adf9992 100644
--- a/drivers/staging/xgifb/vb_setmode.c
+++ b/drivers/staging/xgifb/vb_setmode.c
@@ -152,6 +152,7 @@ void InitTo330Pointer(unsigned char ChipType, struct vb_device_info *pVBInfo)
                 pVBInfo->pXGINew_CR97 = &XG20_CR97;
 
         if (ChipType == XG27) {
+                unsigned char temp;
                 pVBInfo->MCLKData
                         = (struct SiS_MCLKData *) XGI27New_MCLKData;
                 pVBInfo->CR40 = XGI27_cr41;
@@ -162,7 +163,13 @@ void InitTo330Pointer(unsigned char ChipType, struct vb_device_info *pVBInfo)
                 pVBInfo->pCRDE = XG27_CRDE;
                 pVBInfo->pSR40 = &XG27_SR40;
                 pVBInfo->pSR41 = &XG27_SR41;
+                pVBInfo->SR15 = XG27_SR13;
 
+                /*Z11m DDR*/
+                temp = xgifb_reg_get(pVBInfo->P3c4, 0x3B);
+                /* SR3B[7][3]MAA15 MAA11 (Power on Trapping) */
+                if (((temp & 0x88) == 0x80) || ((temp & 0x88) == 0x08))
+                        pVBInfo->pXGINew_CR97 = &Z11m_CR97;
         }
 
         if (ChipType >= XG20) {
diff --git a/drivers/staging/xgifb/vb_table.h b/drivers/staging/xgifb/vb_table.h
index dddf261ed53..e8d6f674b27 100644
--- a/drivers/staging/xgifb/vb_table.h
+++ b/drivers/staging/xgifb/vb_table.h
@@ -33,6 +33,13 @@ static struct XGI_ECLKDataStruct XGI340_ECLKData[] = {
         {0x5c, 0x23, 0x01, 166}
 };
 
+static unsigned char XG27_SR13[4][8] = {
+        {0x35, 0x45, 0xb1, 0x00, 0x00, 0x00, 0x00, 0x00}, /* SR13 */
+        {0x41, 0x51, 0x5c, 0x00, 0x00, 0x00, 0x00, 0x00}, /* SR14 */
+        {0x32, 0x32, 0x42, 0x00, 0x00, 0x00, 0x00, 0x00}, /* SR18 */
+        {0x03, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00}  /* SR1B */
+};
+
 static unsigned char XGI340_SR13[4][8] = {
         {0x35, 0x45, 0xb1, 0x00, 0x00, 0x00, 0x00, 0x00}, /* SR13 */
         {0x41, 0x51, 0x5c, 0x00, 0x00, 0x00, 0x00, 0x00}, /* SR14 */
@@ -71,7 +78,7 @@ static unsigned char XGI27_cr41[24][8] = {
         {0x20, 0x40, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00}, /* 0 CR41 */
         {0xC4, 0x40, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00}, /* 1 CR8A */
         {0xC4, 0x40, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00}, /* 2 CR8B */
-        {0xB5, 0x13, 0xa4, 0x00, 0x00, 0x00, 0x00, 0x00}, /* 3 CR40[7],
+        {0xB3, 0x13, 0xa4, 0x00, 0x00, 0x00, 0x00, 0x00}, /* 3 CR40[7],
                                                                CR99[2:0],
                                                                CR45[3:0]*/
         {0xf0, 0xf5, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00}, /* 4 CR59 */
@@ -2803,6 +2810,8 @@ static unsigned char XG27_CRDE[2];
 static unsigned char XG27_SR40 = 0x04 ;
 static unsigned char XG27_SR41 = 0x00 ;
 
+static unsigned char Z11m_CR97 = 0x80 ;
+
 static struct XGI330_VCLKDataStruct XGI_VCLKData[] = {
         /* SR2B,SR2C,SR2D */
         {0x1B, 0xE1,  25}, /* 00 (25.175MHz) */
diff --git a/drivers/staging/zcache/Kconfig b/drivers/staging/zcache/Kconfig
index 3ed2c8f656a..7048e01f081 100644
--- a/drivers/staging/zcache/Kconfig
+++ b/drivers/staging/zcache/Kconfig
@@ -2,7 +2,7 @@ config ZCACHE
         bool "Dynamic compression of swap pages and clean pagecache pages"
         # X86 dependency is because zsmalloc uses non-portable pte/tlb
         # functions
-        depends on (CLEANCACHE || FRONTSWAP) && CRYPTO && X86
+        depends on (CLEANCACHE || FRONTSWAP) && CRYPTO=y && X86
         select ZSMALLOC
         select CRYPTO_LZO
         default n
diff --git a/drivers/staging/zsmalloc/zsmalloc-main.c b/drivers/staging/zsmalloc/zsmalloc-main.c
index 09caa4f2687..917461c6601 100644
--- a/drivers/staging/zsmalloc/zsmalloc-main.c
+++ b/drivers/staging/zsmalloc/zsmalloc-main.c
@@ -267,33 +267,39 @@ static unsigned long obj_idx_to_offset(struct page *page,
         return off + obj_idx * class_size;
 }
 
+static void reset_page(struct page *page)
+{
+        clear_bit(PG_private, &page->flags);
+        clear_bit(PG_private_2, &page->flags);
+        set_page_private(page, 0);
+        page->mapping = NULL;
+        page->freelist = NULL;
+        reset_page_mapcount(page);
+}
+
 static void free_zspage(struct page *first_page)
 {
-        struct page *nextp, *tmp;
+        struct page *nextp, *tmp, *head_extra;
 
         BUG_ON(!is_first_page(first_page));
         BUG_ON(first_page->inuse);
 
-        nextp = (struct page *)page_private(first_page);
+        head_extra = (struct page *)page_private(first_page);
 
-        clear_bit(PG_private, &first_page->flags);
-        clear_bit(PG_private_2, &first_page->flags);
-        set_page_private(first_page, 0);
-        first_page->mapping = NULL;
-        first_page->freelist = NULL;
-        reset_page_mapcount(first_page);
+        reset_page(first_page);
         __free_page(first_page);
 
         /* zspage with only 1 system page */
-        if (!nextp)
+        if (!head_extra)
                 return;
 
-        list_for_each_entry_safe(nextp, tmp, &nextp->lru, lru) {
+        list_for_each_entry_safe(nextp, tmp, &head_extra->lru, lru) {
                 list_del(&nextp->lru);
-                clear_bit(PG_private_2, &nextp->flags);
-                nextp->index = 0;
+                reset_page(nextp);
                 __free_page(nextp);
         }
+        reset_page(head_extra);
+        __free_page(head_extra);
 }
 
 /* Initialize a newly allocated zspage */
diff --git a/drivers/tty/amiserial.c b/drivers/tty/amiserial.c
index 24145c30c9b..6cc4358f68c 100644
--- a/drivers/tty/amiserial.c
+++ b/drivers/tty/amiserial.c
@@ -1073,8 +1073,10 @@ static int set_serial_info(struct tty_struct *tty, struct serial_state *state,
                     (new_serial.close_delay != port->close_delay) ||
                     (new_serial.xmit_fifo_size != state->xmit_fifo_size) ||
                     ((new_serial.flags & ~ASYNC_USR_MASK) !=
-                     (port->flags & ~ASYNC_USR_MASK)))
+                     (port->flags & ~ASYNC_USR_MASK))) {
+                        tty_unlock();
                         return -EPERM;
+                }
                 port->flags = ((port->flags & ~ASYNC_USR_MASK) |
                                (new_serial.flags & ASYNC_USR_MASK));
                 state->custom_divisor = new_serial.custom_divisor;
diff --git a/drivers/tty/serial/8250/8250.c b/drivers/tty/serial/8250/8250.c
index 5b149b466ec..5c27f7e6c9f 100644
--- a/drivers/tty/serial/8250/8250.c
+++ b/drivers/tty/serial/8250/8250.c
@@ -1572,13 +1572,11 @@ static irqreturn_t serial8250_interrupt(int irq, void *dev_id)
         do {
                 struct uart_8250_port *up;
                 struct uart_port *port;
-                bool skip;
 
                 up = list_entry(l, struct uart_8250_port, list);
                 port = &up->port;
-                skip = pass_counter && up->port.flags & UPF_IIR_ONCE;
 
-                if (!skip && port->handle_irq(port)) {
+                if (port->handle_irq(port)) {
                         handled = 1;
                         end = NULL;
                 } else if (end == NULL)
@@ -2037,10 +2035,12 @@ static int serial8250_startup(struct uart_port *port)
                 spin_unlock_irqrestore(&port->lock, flags);
 
                 /*
-                 * If the interrupt is not reasserted, setup a timer to
-                 * kick the UART on a regular basis.
+                 * If the interrupt is not reasserted, or we otherwise
+                 * don't trust the iir, setup a timer to kick the UART
+                 * on a regular basis.
                  */
-                if (!(iir1 & UART_IIR_NO_INT) && (iir & UART_IIR_NO_INT)) {
+                if ((!(iir1 & UART_IIR_NO_INT) && (iir & UART_IIR_NO_INT)) ||
+                    up->port.flags & UPF_BUG_THRE) {
                         up->bugs |= UART_BUG_THRE;
                         pr_debug("ttyS%d - using backup timer\n",
                                  serial_index(port));
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index da2b0b0a183..858dca865d6 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -1096,7 +1096,7 @@ static int kt_serial_setup(struct serial_private *priv,
                            const struct pciserial_board *board,
                            struct uart_port *port, int idx)
 {
-        port->flags |= UPF_IIR_ONCE;
+        port->flags |= UPF_BUG_THRE;
         return skip_tx_en_setup(priv, board, port, idx);
 }
 
@@ -1118,18 +1118,6 @@ pci_xr17c154_setup(struct serial_private *priv,
         return pci_default_setup(priv, board, port, idx);
 }
 
-static int try_enable_msi(struct pci_dev *dev)
-{
-        /* use msi if available, but fallback to legacy otherwise */
-        pci_enable_msi(dev);
-        return 0;
-}
-
-static void disable_msi(struct pci_dev *dev)
-{
-        pci_disable_msi(dev);
-}
-
 #define PCI_VENDOR_ID_SBSMODULARIO      0x124B
 #define PCI_SUBVENDOR_ID_SBSMODULARIO   0x124B
 #define PCI_DEVICE_ID_OCTPRO            0x0001
@@ -1249,9 +1237,7 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = {
                 .device         = PCI_DEVICE_ID_INTEL_PATSBURG_KT,
                 .subvendor      = PCI_ANY_ID,
                 .subdevice      = PCI_ANY_ID,
-                .init           = try_enable_msi,
                 .setup          = kt_serial_setup,
-                .exit           = disable_msi,
         },
         /*
          * ITE
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 665beb68f67..070b442c1f8 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -1041,7 +1041,7 @@ config SERIAL_OMAP
 
 config SERIAL_OMAP_CONSOLE
         bool "Console on OMAP serial port"
-        depends on SERIAL_OMAP
+        depends on SERIAL_OMAP=y
         select SERIAL_CORE_CONSOLE
         help
           Select this option if you would like to use omap serial port as
diff --git a/drivers/tty/serial/altera_uart.c b/drivers/tty/serial/altera_uart.c
index e7903751e05..1f0330915d5 100644
--- a/drivers/tty/serial/altera_uart.c
+++ b/drivers/tty/serial/altera_uart.c
@@ -556,7 +556,7 @@ static int __devinit altera_uart_probe(struct platform_device *pdev)
         res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         if (res_mem)
                 port->mapbase = res_mem->start;
-        else if (platp->mapbase)
+        else if (platp)
                 port->mapbase = platp->mapbase;
         else
                 return -EINVAL;
@@ -564,7 +564,7 @@ static int __devinit altera_uart_probe(struct platform_device *pdev)
         res_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
         if (res_irq)
                 port->irq = res_irq->start;
-        else if (platp->irq)
+        else if (platp)
                 port->irq = platp->irq;
 
         /* Check platform data first so we can override device node data */
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 0c65c9e6698..3d569cd68f5 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -1946,10 +1946,6 @@ static int pl011_probe(struct amba_device *dev, const struct amba_id *id)
                 goto unmap;
         }
 
-        /* Ensure interrupts from this UART are masked and cleared */
-        writew(0, uap->port.membase + UART011_IMSC);
-        writew(0xffff, uap->port.membase + UART011_ICR);
-
         uap->vendor = vendor;
         uap->lcrh_rx = vendor->lcrh_rx;
         uap->lcrh_tx = vendor->lcrh_tx;
@@ -1967,6 +1963,10 @@ static int pl011_probe(struct amba_device *dev, const struct amba_id *id)
         uap->port.line = i;
         pl011_dma_probe(uap);
 
+        /* Ensure interrupts from this UART are masked and cleared */
+        writew(0, uap->port.membase + UART011_IMSC);
+        writew(0xffff, uap->port.membase + UART011_ICR);
+
         snprintf(uap->type, sizeof(uap->type), "PL011 rev%u", amba_rev(dev));
 
         amba_ports[i] = uap;
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index f9a6be7a9be..3d7e1ee2fa5 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -389,6 +389,8 @@ static void atmel_start_rx(struct uart_port *port)
 {
         UART_PUT_CR(port, ATMEL_US_RSTSTA);  /* reset status and receiver */
 
+        UART_PUT_CR(port, ATMEL_US_RXEN);
+
         if (atmel_use_dma_rx(port)) {
                 /* enable PDC controller */
                 UART_PUT_IER(port, ATMEL_US_ENDRX | ATMEL_US_TIMEOUT |
@@ -404,6 +406,8 @@ static void atmel_start_rx(struct uart_port *port)
  */
 static void atmel_stop_rx(struct uart_port *port)
 {
+        UART_PUT_CR(port, ATMEL_US_RXDIS);
+
         if (atmel_use_dma_rx(port)) {
                 /* disable PDC receive */
                 UART_PUT_PTCR(port, ATMEL_PDC_RXTDIS);
diff --git a/drivers/tty/serial/clps711x.c b/drivers/tty/serial/clps711x.c
index e6c3dbd781d..836fe273123 100644
--- a/drivers/tty/serial/clps711x.c
+++ b/drivers/tty/serial/clps711x.c
@@ -154,10 +154,9 @@ static irqreturn_t clps711xuart_int_tx(int irq, void *dev_id)
                 port->x_char = 0;
                 return IRQ_HANDLED;
         }
-        if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {
-                clps711xuart_stop_tx(port);
-                return IRQ_HANDLED;
-        }
+
+        if (uart_circ_empty(xmit) || uart_tx_stopped(port))
+                goto disable_tx_irq;
 
         count = port->fifosize >> 1;
         do {
@@ -171,8 +170,11 @@ static irqreturn_t clps711xuart_int_tx(int irq, void *dev_id)
         if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
                 uart_write_wakeup(port);
 
-        if (uart_circ_empty(xmit))
-                clps711xuart_stop_tx(port);
+        if (uart_circ_empty(xmit)) {
+        disable_tx_irq:
+                disable_irq_nosync(TX_IRQ(port));
+                tx_enabled(port) = 0;
+        }
 
         return IRQ_HANDLED;
 }
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 0121486ac4f..d00b38eb268 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -1381,29 +1381,24 @@ static int serial_omap_probe(struct platform_device *pdev)
                 return -ENODEV;
         }
 
-        if (!request_mem_region(mem->start, resource_size(mem),
+        if (!devm_request_mem_region(&pdev->dev, mem->start, resource_size(mem),
                                 pdev->dev.driver->name)) {
                 dev_err(&pdev->dev, "memory region already claimed\n");
                 return -EBUSY;
         }
 
         dma_rx = platform_get_resource_byname(pdev, IORESOURCE_DMA, "rx");
-        if (!dma_rx) {
-                ret = -EINVAL;
-                goto err;
-        }
+        if (!dma_rx)
+                return -ENXIO;
 
         dma_tx = platform_get_resource_byname(pdev, IORESOURCE_DMA, "tx");
-        if (!dma_tx) {
-                ret = -EINVAL;
-                goto err;
-        }
+        if (!dma_tx)
+                return -ENXIO;
+
+        up = devm_kzalloc(&pdev->dev, sizeof(*up), GFP_KERNEL);
+        if (!up)
+                return -ENOMEM;
 
-        up = kzalloc(sizeof(*up), GFP_KERNEL);
-        if (up == NULL) {
-                ret = -ENOMEM;
-                goto do_release_region;
-        }
         up->pdev = pdev;
         up->port.dev = &pdev->dev;
         up->port.type = PORT_OMAP;
@@ -1423,16 +1418,17 @@ static int serial_omap_probe(struct platform_device *pdev)
                 dev_err(&pdev->dev, "failed to get alias/pdev id, errno %d\n",
                                                                 up->port.line);
                 ret = -ENODEV;
-                goto err;
+                goto err_port_line;
         }
 
         sprintf(up->name, "OMAP UART%d", up->port.line);
         up->port.mapbase = mem->start;
-        up->port.membase = ioremap(mem->start, resource_size(mem));
+        up->port.membase = devm_ioremap(&pdev->dev, mem->start,
+                                                resource_size(mem));
         if (!up->port.membase) {
                 dev_err(&pdev->dev, "can't ioremap UART\n");
                 ret = -ENOMEM;
-                goto err;
+                goto err_ioremap;
         }
 
         up->port.flags = omap_up_info->flags;
@@ -1478,16 +1474,19 @@ static int serial_omap_probe(struct platform_device *pdev)
 
         ret = uart_add_one_port(&serial_omap_reg, &up->port);
         if (ret != 0)
-                goto do_release_region;
+                goto err_add_port;
 
         pm_runtime_put(&pdev->dev);
         platform_set_drvdata(pdev, up);
         return 0;
-err:
+
+err_add_port:
+        pm_runtime_put(&pdev->dev);
+        pm_runtime_disable(&pdev->dev);
+err_ioremap:
+err_port_line:
         dev_err(&pdev->dev, "[UART%d]: failure [%s]: %d\n",
                                 pdev->id, __func__, ret);
-do_release_region:
-        release_mem_region(mem->start, resource_size(mem));
         return ret;
 }
 
@@ -1499,8 +1498,6 @@ static int serial_omap_remove(struct platform_device *dev)
                 pm_runtime_disable(&up->pdev->dev);
                 uart_remove_one_port(&serial_omap_reg, &up->port);
                 pm_qos_remove_request(&up->pm_qos_request);
-
-                kfree(up);
         }
 
         platform_set_drvdata(dev, NULL);
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 08b9962b8fd..c2816f49480 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -210,6 +210,7 @@ enum {
 #define CMITC_UARTCLK   192000000 /* 192.0000 MHz */
 #define FRI2_64_UARTCLK  64000000 /*  64.0000 MHz */
 #define FRI2_48_UARTCLK  48000000 /*  48.0000 MHz */
+#define NTC1_UARTCLK     64000000 /*  64.0000 MHz */
 
 struct pch_uart_buffer {
         unsigned char *buf;
@@ -384,6 +385,12 @@ static int pch_uart_get_uartclk(void)
         if (cmp && strstr(cmp, "Fish River Island II"))
                 return FRI2_48_UARTCLK;
 
+        /* Kontron COMe-mTT10 (nanoETXexpress-TT) */
+        cmp = dmi_get_system_info(DMI_BOARD_NAME);
+        if (cmp && (strstr(cmp, "COMe-mTT") ||
+                    strstr(cmp, "nanoETXexpress-TT")))
+                return NTC1_UARTCLK;
+
         return DEFAULT_UARTCLK;
 }
 
@@ -1440,9 +1447,11 @@ static int pch_uart_verify_port(struct uart_port *port,
                         __func__);
                 return -EOPNOTSUPP;
 #endif
-                priv->use_dma = 1;
                 priv->use_dma_flag = 1;
                 dev_info(priv->port.dev, "PCH UART : Use DMA Mode\n");
+                if (!priv->use_dma)
+                        pch_request_dma(port);
+                priv->use_dma = 1;
         }
 
         return 0;
@@ -1651,6 +1660,7 @@ static struct eg20t_port *pch_uart_init_port(struct pci_dev *pdev,
         }
 
         pci_enable_msi(pdev);
+        pci_set_master(pdev);
 
         iobase = pci_resource_start(pdev, 0);
         mapbase = pci_resource_start(pdev, 1);
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index de249d265be..d8b0aee3563 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -982,6 +982,7 @@ static void s3c24xx_serial_resetport(struct uart_port *port,
 
         ucon &= ucon_mask;
         wr_regl(port, S3C2410_UCON,  ucon | cfg->ucon);
+        wr_regl(port, S3C2410_ULCON, cfg->ulcon);
 
         /* reset both fifos */
         wr_regl(port, S3C2410_UFCON, cfg->ufcon | S3C2410_UFCON_RESETBOTH);
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 3bdd4b19dd0..2156188db4a 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2932,11 +2932,10 @@ static int __init con_init(void)
         gotoxy(vc, vc->vc_x, vc->vc_y);
         csi_J(vc, 0);
         update_screen(vc);
-        pr_info("Console: %s %s %dx%d",
+        pr_info("Console: %s %s %dx%d\n",
                 vc->vc_can_do_color ? "colour" : "mono",
                 display_desc, vc->vc_cols, vc->vc_rows);
         printable = 1;
-        printk("\n");
 
         console_unlock();
 
diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig
index cbd8f5f8059..76316a33061 100644
--- a/drivers/usb/Kconfig
+++ b/drivers/usb/Kconfig
@@ -2,14 +2,6 @@
 # USB device configuration
 #
 
-menuconfig USB_SUPPORT
-        bool "USB support"
-        depends on HAS_IOMEM
-        default y
-        ---help---
-          This option adds core support for Universal Serial Bus (USB).
-          You will also need drivers from the following menu to make use of it.
-
 # many non-PCI SOC chips embed OHCI
 config USB_ARCH_HAS_OHCI
         boolean
@@ -63,6 +55,14 @@ config USB_ARCH_HAS_XHCI
         boolean
         default PCI
 
+menuconfig USB_SUPPORT
+        bool "USB support"
+        depends on HAS_IOMEM
+        default y
+        ---help---
+          This option adds core support for Universal Serial Bus (USB).
+          You will also need drivers from the following menu to make use of it.
+
 if USB_SUPPORT
 
 config USB_COMMON
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index c6f6560d436..0bb2b3248da 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -157,8 +157,9 @@ static void wdm_out_callback(struct urb *urb)
         spin_lock(&desc->iuspin);
         desc->werr = urb->status;
         spin_unlock(&desc->iuspin);
-        clear_bit(WDM_IN_USE, &desc->flags);
         kfree(desc->outbuf);
+        desc->outbuf = NULL;
+        clear_bit(WDM_IN_USE, &desc->flags);
         wake_up(&desc->wait);
 }
 
@@ -338,7 +339,7 @@ static ssize_t wdm_write
         if (we < 0)
                 return -EIO;
 
-        desc->outbuf = buf = kmalloc(count, GFP_KERNEL);
+        buf = kmalloc(count, GFP_KERNEL);
         if (!buf) {
                 rv = -ENOMEM;
                 goto outnl;
@@ -406,10 +407,12 @@ static ssize_t wdm_write
         req->wIndex = desc->inum;
         req->wLength = cpu_to_le16(count);
         set_bit(WDM_IN_USE, &desc->flags);
+        desc->outbuf = buf;
 
         rv = usb_submit_urb(desc->command, GFP_KERNEL);
         if (rv < 0) {
                 kfree(buf);
+                desc->outbuf = NULL;
                 clear_bit(WDM_IN_USE, &desc->flags);
                 dev_err(&desc->intf->dev, "Tx URB error: %d\n", rv);
         } else {
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index f8e2d6d52e5..9a56635dc19 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -1189,8 +1189,13 @@ static int usb_suspend_both(struct usb_device *udev, pm_message_t msg)
         if (status == 0) {
                 status = usb_suspend_device(udev, msg);
 
-                /* Again, ignore errors during system sleep transitions */
-                if (!PMSG_IS_AUTO(msg))
+                /*
+                 * Ignore errors from non-root-hub devices during
+                 * system sleep transitions.  For the most part,
+                 * these devices should go to low power anyway when
+                 * the entire bus is suspended.
+                 */
+                if (udev->parent && !PMSG_IS_AUTO(msg))
                         status = 0;
         }
 
diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c
index 622b4a48e73..57ed9e400c0 100644
--- a/drivers/usb/core/hcd-pci.c
+++ b/drivers/usb/core/hcd-pci.c
@@ -493,6 +493,15 @@ static int hcd_pci_suspend_noirq(struct device *dev)
 
         pci_save_state(pci_dev);
 
+        /*
+         * Some systems crash if an EHCI controller is in D3 during
+         * a sleep transition.  We have to leave such controllers in D0.
+         */
+        if (hcd->broken_pci_sleep) {
+                dev_dbg(dev, "Staying in PCI D0\n");
+                return retval;
+        }
+
         /* If the root hub is dead rather than suspended, disallow remote
          * wakeup.  usb_hc_died() should ensure that both hosts are marked as
          * dying, so we only need to check the primary roothub.
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 9d7fc9a3993..140d3e11f21 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1978,6 +1978,18 @@ int hcd_bus_suspend(struct usb_device *rhdev, pm_message_t msg)
         if (status == 0) {
                 usb_set_device_state(rhdev, USB_STATE_SUSPENDED);
                 hcd->state = HC_STATE_SUSPENDED;
+
+                /* Did we race with a root-hub wakeup event? */
+                if (rhdev->do_remote_wakeup) {
+                        char    buffer[6];
+
+                        status = hcd->driver->hub_status_data(hcd, buffer);
+                        if (status != 0) {
+                                dev_dbg(&rhdev->dev, "suspend raced with wakeup event\n");
+                                hcd_bus_resume(rhdev, PMSG_AUTO_RESUME);
+                                status = -EBUSY;
+                        }
+                }
         } else {
                 spin_lock_irq(&hcd_root_hub_lock);
                 if (!HCD_DEAD(hcd)) {
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 28664eb7f55..ec6c97dadbe 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1667,7 +1667,6 @@ void usb_disconnect(struct usb_device **pdev)
 {
         struct usb_device       *udev = *pdev;
         int                     i;
-        struct usb_hcd          *hcd = bus_to_hcd(udev->bus);
 
         /* mark the device as inactive, so any further urb submissions for
          * this device (and any of its children) will fail immediately.
@@ -1690,9 +1689,7 @@ void usb_disconnect(struct usb_device **pdev)
          * so that the hardware is now fully quiesced.
          */
         dev_dbg (&udev->dev, "unregistering device\n");
-        mutex_lock(hcd->bandwidth_mutex);
         usb_disable_device(udev, 0);
-        mutex_unlock(hcd->bandwidth_mutex);
         usb_hcd_synchronize_unlinks(udev);
 
         usb_remove_ep_devs(&udev->ep0);
@@ -3163,6 +3160,22 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
         if (retval)
                 goto fail;
 
+        /*
+         * Some superspeed devices have finished the link training process
+         * and attached to a superspeed hub port, but the device descriptor
+         * got from those devices show they aren't superspeed devices. Warm
+         * reset the port attached by the devices can fix them.
+         */
+        if ((udev->speed == USB_SPEED_SUPER) &&
+                        (le16_to_cpu(udev->descriptor.bcdUSB) < 0x0300)) {
+                dev_err(&udev->dev, "got a wrong device descriptor, "
+                                "warm reset device\n");
+                hub_port_reset(hub, port1, udev,
+                                HUB_BH_RESET_TIME, true);
+                retval = -EINVAL;
+                goto fail;
+        }
+
         if (udev->descriptor.bMaxPacketSize0 == 0xff ||
                         udev->speed == USB_SPEED_SUPER)
                 i = 512;
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index b3bdfede45e..ca717da3be9 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -308,7 +308,8 @@ static void sg_complete(struct urb *urb)
                                 retval = usb_unlink_urb(io->urbs [i]);
                                 if (retval != -EINPROGRESS &&
                                     retval != -ENODEV &&
-                                    retval != -EBUSY)
+                                    retval != -EBUSY &&
+                                    retval != -EIDRM)
                                         dev_err(&io->dev->dev,
                                                 "%s, unlink --> %d\n",
                                                 __func__, retval);
@@ -317,7 +318,6 @@ static void sg_complete(struct urb *urb)
                 }
                 spin_lock(&io->lock);
         }
-        urb->dev = NULL;
 
         /* on the last completion, signal usb_sg_wait() */
         io->bytes += urb->actual_length;
@@ -524,7 +524,6 @@ void usb_sg_wait(struct usb_sg_request *io)
                 case -ENXIO:    /* hc didn't queue this one */
                 case -EAGAIN:
                 case -ENOMEM:
-                        io->urbs[i]->dev = NULL;
                         retval = 0;
                         yield();
                         break;
@@ -542,7 +541,6 @@ void usb_sg_wait(struct usb_sg_request *io)
 
                         /* fail any uncompleted urbs */
                 default:
-                        io->urbs[i]->dev = NULL;
                         io->urbs[i]->status = retval;
                         dev_dbg(&io->dev->dev, "%s, submit --> %d\n",
                                 __func__, retval);
@@ -593,7 +591,10 @@ void usb_sg_cancel(struct usb_sg_request *io)
                         if (!io->urbs [i]->dev)
                                 continue;
                         retval = usb_unlink_urb(io->urbs [i]);
-                        if (retval != -EINPROGRESS && retval != -EBUSY)
+                        if (retval != -EINPROGRESS
+                                        && retval != -ENODEV
+                                        && retval != -EBUSY
+                                        && retval != -EIDRM)
                                 dev_warn(&io->dev->dev, "%s, unlink --> %d\n",
                                         __func__, retval);
                 }
@@ -1135,8 +1136,6 @@ void usb_disable_interface(struct usb_device *dev, struct usb_interface *intf,
  * Deallocates hcd/hardware state for the endpoints (nuking all or most
  * pending urbs) and usbcore state for the interfaces, so that usbcore
  * must usb_set_configuration() before any interfaces could be used.
- *
- * Must be called with hcd->bandwidth_mutex held.
  */
 void usb_disable_device(struct usb_device *dev, int skip_ep0)
 {
@@ -1189,7 +1188,9 @@ void usb_disable_device(struct usb_device *dev, int skip_ep0)
                         usb_disable_endpoint(dev, i + USB_DIR_IN, false);
                 }
                 /* Remove endpoints from the host controller internal state */
+                mutex_lock(hcd->bandwidth_mutex);
                 usb_hcd_alloc_bandwidth(dev, NULL, NULL, NULL);
+                mutex_unlock(hcd->bandwidth_mutex);
                 /* Second pass: remove endpoint pointers */
         }
         for (i = skip_ep0; i < 16; ++i) {
@@ -1749,7 +1750,6 @@ free_interfaces:
         /* if it's already configured, clear out old state first.
          * getting rid of old interfaces means unbinding their drivers.
          */
-        mutex_lock(hcd->bandwidth_mutex);
         if (dev->state != USB_STATE_ADDRESS)
                 usb_disable_device(dev, 1);     /* Skip ep0 */
 
@@ -1762,6 +1762,7 @@ free_interfaces:
          * host controller will not allow submissions to dropped endpoints.  If
          * this call fails, the device state is unchanged.
          */
+        mutex_lock(hcd->bandwidth_mutex);
         ret = usb_hcd_alloc_bandwidth(dev, cp, NULL, NULL);
         if (ret < 0) {
                 mutex_unlock(hcd->bandwidth_mutex);
diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
index 7239a73c1b8..cd9b3a2cd8a 100644
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -539,6 +539,10 @@ EXPORT_SYMBOL_GPL(usb_submit_urb);
  * never submitted, or it was unlinked before, or the hardware is already
  * finished with it), even if the completion handler has not yet run.
  *
+ * The URB must not be deallocated while this routine is running.  In
+ * particular, when a driver calls this routine, it must insure that the
+ * completion handler cannot deallocate the URB.
+ *
  * Unlinking and Endpoint Queues:
  *
  * [The behaviors and guarantees described below do not apply to virtual
@@ -603,6 +607,10 @@ EXPORT_SYMBOL_GPL(usb_unlink_urb);
  * with error -EPERM.  Thus even if the URB's completion handler always
  * tries to resubmit, it will not succeed and the URB will become idle.
  *
+ * The URB must not be deallocated while this routine is running.  In
+ * particular, when a driver calls this routine, it must insure that the
+ * completion handler cannot deallocate the URB.
+ *
  * This routine may not be used in an interrupt context (such as a bottom
  * half or a completion handler), or when holding a spinlock, or in other
  * situations where the caller can't schedule().
@@ -640,6 +648,10 @@ EXPORT_SYMBOL_GPL(usb_kill_urb);
  * with error -EPERM.  Thus even if the URB's completion handler always
  * tries to resubmit, it will not succeed and the URB will become idle.
  *
+ * The URB must not be deallocated while this routine is running.  In
+ * particular, when a driver calls this routine, it must insure that the
+ * completion handler cannot deallocate the URB.
+ *
  * This routine may not be used in an interrupt context (such as a bottom
  * half or a completion handler), or when holding a spinlock, or in other
  * situations where the caller can't schedule().
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 7bd815a507e..99b58d84553 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -206,11 +206,11 @@ static void dwc3_free_event_buffers(struct dwc3 *dwc)
 
         for (i = 0; i < dwc->num_event_buffers; i++) {
                 evt = dwc->ev_buffs[i];
-                if (evt) {
+                if (evt)
                         dwc3_free_one_event_buffer(dwc, evt);
-                        dwc->ev_buffs[i] = NULL;
-                }
         }
+
+        kfree(dwc->ev_buffs);
 }
 
 /**
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 25910e251c0..3584a169886 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -353,6 +353,9 @@ static int dwc3_ep0_handle_feature(struct dwc3 *dwc,
 
                         dwc->test_mode_nr = wIndex >> 8;
                         dwc->test_mode = true;
+                        break;
+                default:
+                        return -EINVAL;
                 }
                 break;
 
@@ -559,15 +562,20 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc,
         length = trb->size & DWC3_TRB_SIZE_MASK;
 
         if (dwc->ep0_bounced) {
+                unsigned transfer_size = ur->length;
+                unsigned maxp = ep0->endpoint.maxpacket;
+
+                transfer_size += (maxp - (transfer_size % maxp));
                 transferred = min_t(u32, ur->length,
-                                ep0->endpoint.maxpacket - length);
+                                transfer_size - length);
                 memcpy(ur->buf, dwc->ep0_bounce, transferred);
                 dwc->ep0_bounced = false;
         } else {
                 transferred = ur->length - length;
-                ur->actual += transferred;
         }
 
+        ur->actual += transferred;
+
         if ((epnum & 1) && ur->actual < ur->length) {
                 /* for some reason we did not get everything out */
 
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index 0c935d7c65b..9d7bcd91007 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -1863,8 +1863,8 @@ static int __devinit at91udc_probe(struct platform_device *pdev)
                         mod_timer(&udc->vbus_timer,
                                   jiffies + VBUS_POLL_TIMEOUT);
                 } else {
-                        if (request_irq(udc->board.vbus_pin, at91_vbus_irq,
-                                        0, driver_name, udc)) {
+                        if (request_irq(gpio_to_irq(udc->board.vbus_pin),
+                                        at91_vbus_irq, 0, driver_name, udc)) {
                                 DBG("request vbus irq %d failed\n",
                                     udc->board.vbus_pin);
                                 retval = -EBUSY;
@@ -1886,7 +1886,7 @@ static int __devinit at91udc_probe(struct platform_device *pdev)
         return 0;
 fail4:
         if (gpio_is_valid(udc->board.vbus_pin) && !udc->board.vbus_polled)
-                free_irq(udc->board.vbus_pin, udc);
+                free_irq(gpio_to_irq(udc->board.vbus_pin), udc);
 fail3:
         if (gpio_is_valid(udc->board.vbus_pin))
                 gpio_free(udc->board.vbus_pin);
@@ -1924,7 +1924,7 @@ static int __exit at91udc_remove(struct platform_device *pdev)
         device_init_wakeup(&pdev->dev, 0);
         remove_debug_file(udc);
         if (gpio_is_valid(udc->board.vbus_pin)) {
-                free_irq(udc->board.vbus_pin, udc);
+                free_irq(gpio_to_irq(udc->board.vbus_pin), udc);
                 gpio_free(udc->board.vbus_pin);
         }
         free_irq(udc->udp_irq, udc);
diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index a6dfd216416..170cbe89d9f 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -927,7 +927,6 @@ static int dummy_udc_stop(struct usb_gadget *g,
 
         dum->driver = NULL;
 
-        dummy_pullup(&dum->gadget, 0);
         return 0;
 }
 
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index 1cbba70836b..f52cb1ae45d 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -712,7 +712,7 @@ static long ffs_ep0_ioctl(struct file *file, unsigned code, unsigned long value)
         if (code == FUNCTIONFS_INTERFACE_REVMAP) {
                 struct ffs_function *func = ffs->func;
                 ret = func ? ffs_func_revmap_intf(func, value) : -ENODEV;
-        } else if (gadget->ops->ioctl) {
+        } else if (gadget && gadget->ops->ioctl) {
                 ret = gadget->ops->ioctl(gadget, code, value);
         } else {
                 ret = -ENOTTY;
@@ -1382,6 +1382,7 @@ static void functionfs_unbind(struct ffs_data *ffs)
                 ffs->ep0req = NULL;
                 ffs->gadget = NULL;
                 ffs_data_put(ffs);
+                clear_bit(FFS_FL_BOUND, &ffs->flags);
         }
 }
 
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index a371e966425..cb8c162cae5 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -2189,7 +2189,7 @@ unknown_cmnd:
                 common->data_size_from_cmnd = 0;
                 sprintf(unknown, "Unknown x%02x", common->cmnd[0]);
                 reply = check_command(common, common->cmnd_size,
-                                      DATA_DIR_UNKNOWN, 0xff, 0, unknown);
+                                      DATA_DIR_UNKNOWN, ~0, 0, unknown);
                 if (reply == 0) {
                         common->curlun->sense_data = SS_INVALID_COMMAND;
                         reply = -EINVAL;
diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c
index 7b1cf18df5e..52343654f5d 100644
--- a/drivers/usb/gadget/f_rndis.c
+++ b/drivers/usb/gadget/f_rndis.c
@@ -500,6 +500,7 @@ rndis_setup(struct usb_function *f, const struct usb_ctrlrequest *ctrl)
                         if (buf) {
                                 memcpy(req->buf, buf, n);
                                 req->complete = rndis_response_complete;
+                                req->context = rndis;
                                 rndis_free_response(rndis->config, buf);
                                 value = n;
                         }
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index 4fac5692774..a896d73f7a9 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -2579,7 +2579,7 @@ static int do_scsi_command(struct fsg_dev *fsg)
                 fsg->data_size_from_cmnd = 0;
                 sprintf(unknown, "Unknown x%02x", fsg->cmnd[0]);
                 if ((reply = check_command(fsg, fsg->cmnd_size,
-                                DATA_DIR_UNKNOWN, 0xff, 0, unknown)) == 0) {
+                                DATA_DIR_UNKNOWN, ~0, 0, unknown)) == 0) {
                         fsg->curlun->sense_data = SS_INVALID_COMMAND;
                         reply = -EINVAL;
                 }
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index 5f94e79cd6b..55abfb6bd61 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -730,7 +730,7 @@ static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
                 : (1 << (ep_index(ep)));
 
         /* check if the pipe is empty */
-        if (!(list_empty(&ep->queue))) {
+        if (!(list_empty(&ep->queue)) && !(ep_index(ep) == 0)) {
                 /* Add td to the end */
                 struct fsl_req *lastreq;
                 lastreq = list_entry(ep->queue.prev, struct fsl_req, queue);
@@ -918,10 +918,6 @@ fsl_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
                 return -ENOMEM;
         }
 
-        /* Update ep0 state */
-        if ((ep_index(ep) == 0))
-                udc->ep0_state = DATA_STATE_XMIT;
-
         /* irq handler advances the queue */
         if (req != NULL)
                 list_add_tail(&req->queue, &ep->queue);
@@ -1279,7 +1275,8 @@ static int ep0_prime_status(struct fsl_udc *udc, int direction)
                 udc->ep0_dir = USB_DIR_OUT;
 
         ep = &udc->eps[0];
-        udc->ep0_state = WAIT_FOR_OUT_STATUS;
+        if (udc->ep0_state != DATA_STATE_XMIT)
+                udc->ep0_state = WAIT_FOR_OUT_STATUS;
 
         req->ep = ep;
         req->req.length = 0;
@@ -1384,6 +1381,9 @@ static void ch9getstatus(struct fsl_udc *udc, u8 request_type, u16 value,
 
         list_add_tail(&req->queue, &ep->queue);
         udc->ep0_state = DATA_STATE_XMIT;
+        if (ep0_prime_status(udc, EP_DIR_OUT))
+                ep0stall(udc);
+
         return;
 stall:
         ep0stall(udc);
@@ -1492,6 +1492,14 @@ static void setup_received_irq(struct fsl_udc *udc,
                 spin_lock(&udc->lock);
                 udc->ep0_state = (setup->bRequestType & USB_DIR_IN)
                                 ?  DATA_STATE_XMIT : DATA_STATE_RECV;
+                /*
+                 * If the data stage is IN, send status prime immediately.
+                 * See 2.0 Spec chapter 8.5.3.3 for detail.
+                 */
+                if (udc->ep0_state == DATA_STATE_XMIT)
+                        if (ep0_prime_status(udc, EP_DIR_OUT))
+                                ep0stall(udc);
+
         } else {
                 /* No data phase, IN status from gadget */
                 udc->ep0_dir = USB_DIR_IN;
@@ -1520,9 +1528,8 @@ static void ep0_req_complete(struct fsl_udc *udc, struct fsl_ep *ep0,
 
         switch (udc->ep0_state) {
         case DATA_STATE_XMIT:
-                /* receive status phase */
-                if (ep0_prime_status(udc, EP_DIR_OUT))
-                        ep0stall(udc);
+                /* already primed at setup_received_irq */
+                udc->ep0_state = WAIT_FOR_OUT_STATUS;
                 break;
         case DATA_STATE_RECV:
                 /* send status phase */
diff --git a/drivers/usb/gadget/g_ffs.c b/drivers/usb/gadget/g_ffs.c
index 331cd6729d3..a85eaf40b94 100644
--- a/drivers/usb/gadget/g_ffs.c
+++ b/drivers/usb/gadget/g_ffs.c
@@ -161,7 +161,7 @@ static struct usb_composite_driver gfs_driver = {
 static struct ffs_data *gfs_ffs_data;
 static unsigned long gfs_registered;
 
-static int  gfs_init(void)
+static int __init gfs_init(void)
 {
         ENTER();
 
@@ -169,7 +169,7 @@ static int  gfs_init(void)
 }
 module_init(gfs_init);
 
-static void  gfs_exit(void)
+static void __exit gfs_exit(void)
 {
         ENTER();
 
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index 8793f32bab1..e58b1644297 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -1574,7 +1574,6 @@ static void destroy_ep_files (struct dev_data *dev)
         DBG (dev, "%s %d\n", __func__, dev->state);
 
         /* dev->state must prevent interference */
-restart:
         spin_lock_irq (&dev->lock);
         while (!list_empty(&dev->epfiles)) {
                 struct ep_data  *ep;
diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c
index 69295ba9d99..105b206cd84 100644
--- a/drivers/usb/gadget/s3c-hsotg.c
+++ b/drivers/usb/gadget/s3c-hsotg.c
@@ -340,7 +340,7 @@ static void s3c_hsotg_init_fifo(struct s3c_hsotg *hsotg)
         /* currently we allocate TX FIFOs for all possible endpoints,
          * and assume that they are all the same size. */
 
-        for (ep = 0; ep <= 15; ep++) {
+        for (ep = 1; ep <= 15; ep++) {
                 val = addr;
                 val |= size << S3C_DPTXFSIZn_DPTxFSize_SHIFT;
                 addr += size;
@@ -741,7 +741,7 @@ static void s3c_hsotg_start_req(struct s3c_hsotg *hsotg,
         /* write size / packets */
         writel(epsize, hsotg->regs + epsize_reg);
 
-        if (using_dma(hsotg)) {
+        if (using_dma(hsotg) && !continuing) {
                 unsigned int dma_reg;
 
                 /* write DMA address to control register, buffer already
@@ -1696,10 +1696,12 @@ static void s3c_hsotg_set_ep_maxpacket(struct s3c_hsotg *hsotg,
         reg |= mpsval;
         writel(reg, regs + S3C_DIEPCTL(ep));
 
-        reg = readl(regs + S3C_DOEPCTL(ep));
-        reg &= ~S3C_DxEPCTL_MPS_MASK;
-        reg |= mpsval;
-        writel(reg, regs + S3C_DOEPCTL(ep));
+        if (ep) {
+                reg = readl(regs + S3C_DOEPCTL(ep));
+                reg &= ~S3C_DxEPCTL_MPS_MASK;
+                reg |= mpsval;
+                writel(reg, regs + S3C_DOEPCTL(ep));
+        }
 
         return;
 
@@ -1919,7 +1921,8 @@ static void s3c_hsotg_epint(struct s3c_hsotg *hsotg, unsigned int idx,
                     ints & S3C_DIEPMSK_TxFIFOEmpty) {
                         dev_dbg(hsotg->dev, "%s: ep%d: TxFIFOEmpty\n",
                                 __func__, idx);
-                        s3c_hsotg_trytx(hsotg, hs_ep);
+                        if (!using_dma(hsotg))
+                                s3c_hsotg_trytx(hsotg, hs_ep);
                 }
         }
 }
diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c
index 56da49f31d6..e5e44f8cde9 100644
--- a/drivers/usb/gadget/udc-core.c
+++ b/drivers/usb/gadget/udc-core.c
@@ -263,9 +263,9 @@ static void usb_gadget_remove_driver(struct usb_udc *udc)
 
         if (udc_is_newstyle(udc)) {
                 udc->driver->disconnect(udc->gadget);
+                usb_gadget_disconnect(udc->gadget);
                 udc->driver->unbind(udc->gadget);
                 usb_gadget_udc_stop(udc->gadget, udc->driver);
-                usb_gadget_disconnect(udc->gadget);
         } else {
                 usb_gadget_stop(udc->gadget, udc->driver);
         }
@@ -411,9 +411,13 @@ static ssize_t usb_udc_softconn_store(struct device *dev,
         struct usb_udc          *udc = container_of(dev, struct usb_udc, dev);
 
         if (sysfs_streq(buf, "connect")) {
+                if (udc_is_newstyle(udc))
+                        usb_gadget_udc_start(udc->gadget, udc->driver);
                 usb_gadget_connect(udc->gadget);
         } else if (sysfs_streq(buf, "disconnect")) {
                 usb_gadget_disconnect(udc->gadget);
+                if (udc_is_newstyle(udc))
+                        usb_gadget_udc_stop(udc->gadget, udc->driver);
         } else {
                 dev_err(dev, "unsupported command '%s'\n", buf);
                 return -EINVAL;
diff --git a/drivers/usb/gadget/uvc.h b/drivers/usb/gadget/uvc.h
index bc78c606c12..ca4e03a1c73 100644
--- a/drivers/usb/gadget/uvc.h
+++ b/drivers/usb/gadget/uvc.h
@@ -28,7 +28,7 @@
 
 struct uvc_request_data
 {
-        unsigned int length;
+        __s32 length;
         __u8 data[60];
 };
 
diff --git a/drivers/usb/gadget/uvc_queue.c b/drivers/usb/gadget/uvc_queue.c
index d776adb2da6..0cdf89d32a1 100644
--- a/drivers/usb/gadget/uvc_queue.c
+++ b/drivers/usb/gadget/uvc_queue.c
@@ -543,11 +543,11 @@ done:
         return ret;
 }
 
+/* called with queue->irqlock held.. */
 static struct uvc_buffer *
 uvc_queue_next_buffer(struct uvc_video_queue *queue, struct uvc_buffer *buf)
 {
         struct uvc_buffer *nextbuf;
-        unsigned long flags;
 
         if ((queue->flags & UVC_QUEUE_DROP_INCOMPLETE) &&
             buf->buf.length != buf->buf.bytesused) {
@@ -556,14 +556,12 @@ uvc_queue_next_buffer(struct uvc_video_queue *queue, struct uvc_buffer *buf)
                 return buf;
         }
 
-        spin_lock_irqsave(&queue->irqlock, flags);
         list_del(&buf->queue);
         if (!list_empty(&queue->irqqueue))
                 nextbuf = list_first_entry(&queue->irqqueue, struct uvc_buffer,
                                            queue);
         else
                 nextbuf = NULL;
-        spin_unlock_irqrestore(&queue->irqlock, flags);
 
         buf->buf.sequence = queue->sequence++;
         do_gettimeofday(&buf->buf.timestamp);
diff --git a/drivers/usb/gadget/uvc_v4l2.c b/drivers/usb/gadget/uvc_v4l2.c
index f6e083b5019..54d7ca559cb 100644
--- a/drivers/usb/gadget/uvc_v4l2.c
+++ b/drivers/usb/gadget/uvc_v4l2.c
@@ -39,7 +39,7 @@ uvc_send_response(struct uvc_device *uvc, struct uvc_request_data *data)
         if (data->length < 0)
                 return usb_ep_set_halt(cdev->gadget->ep0);
 
-        req->length = min(uvc->event_length, data->length);
+        req->length = min_t(unsigned int, uvc->event_length, data->length);
         req->zero = data->length < uvc->event_length;
         req->dma = DMA_ADDR_INVALID;
 
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index 3e7345172e0..d0a84bd3f3e 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -218,6 +218,9 @@ static void ehci_fsl_setup_phy(struct ehci_hcd *ehci,
         u32 portsc;
         struct usb_hcd *hcd = ehci_to_hcd(ehci);
         void __iomem *non_ehci = hcd->regs;
+        struct fsl_usb2_platform_data *pdata;
+
+        pdata = hcd->self.controller->platform_data;
 
         portsc = ehci_readl(ehci, &ehci->regs->port_status[port_offset]);
         portsc &= ~(PORT_PTS_MSK | PORT_PTS_PTW);
@@ -234,7 +237,9 @@ static void ehci_fsl_setup_phy(struct ehci_hcd *ehci,
                 /* fall through */
         case FSL_USB2_PHY_UTMI:
                 /* enable UTMI PHY */
-                setbits32(non_ehci + FSL_SOC_USB_CTRL, CTRL_UTMI_PHY_EN);
+                if (pdata->have_sysif_regs)
+                        setbits32(non_ehci + FSL_SOC_USB_CTRL,
+                                  CTRL_UTMI_PHY_EN);
                 portsc |= PORT_PTS_UTMI;
                 break;
         case FSL_USB2_PHY_NONE:
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 057cdda7a48..4a3bc5b7a06 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -347,6 +347,8 @@ static int ehci_reset (struct ehci_hcd *ehci)
         if (ehci->debug)
                 dbgp_external_startup();
 
+        ehci->port_c_suspend = ehci->suspended_ports =
+                        ehci->resuming_ports = 0;
         return retval;
 }
 
@@ -856,8 +858,13 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
                 goto dead;
         }
 
+        /*
+         * We don't use STS_FLR, but some controllers don't like it to
+         * remain on, so mask it out along with the other status bits.
+         */
+        masked_status = status & (INTR_MASK | STS_FLR);
+
         /* Shared IRQ? */
-        masked_status = status & INTR_MASK;
         if (!masked_status || unlikely(ehci->rh_state == EHCI_RH_HALTED)) {
                 spin_unlock(&ehci->lock);
                 return IRQ_NONE;
@@ -908,7 +915,7 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
                 pcd_status = status;
 
                 /* resume root hub? */
-                if (!(cmd & CMD_RUN))
+                if (ehci->rh_state == EHCI_RH_SUSPENDED)
                         usb_hcd_resume_root_hub(hcd);
 
                 /* get per-port change detect bits */
@@ -939,6 +946,7 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
                          * like usb_port_resume() does.
                          */
                         ehci->reset_done[i] = jiffies + msecs_to_jiffies(25);
+                        set_bit(i, &ehci->resuming_ports);
                         ehci_dbg (ehci, "port %d remote wakeup\n", i + 1);
                         mod_timer(&hcd->rh_timer, ehci->reset_done[i]);
                 }
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index 256fbd42e48..38fe0762315 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -223,15 +223,10 @@ static int ehci_bus_suspend (struct usb_hcd *hcd)
          * remote wakeup, we must fail the suspend.
          */
         if (hcd->self.root_hub->do_remote_wakeup) {
-                port = HCS_N_PORTS(ehci->hcs_params);
-                while (port--) {
-                        if (ehci->reset_done[port] != 0) {
-                                spin_unlock_irq(&ehci->lock);
-                                ehci_dbg(ehci, "suspend failed because "
-                                                "port %d is resuming\n",
-                                                port + 1);
-                                return -EBUSY;
-                        }
+                if (ehci->resuming_ports) {
+                        spin_unlock_irq(&ehci->lock);
+                        ehci_dbg(ehci, "suspend failed because a port is resuming\n");
+                        return -EBUSY;
                 }
         }
 
@@ -554,16 +549,12 @@ static int
 ehci_hub_status_data (struct usb_hcd *hcd, char *buf)
 {
         struct ehci_hcd *ehci = hcd_to_ehci (hcd);
-        u32             temp, status = 0;
+        u32             temp, status;
         u32             mask;
         int             ports, i, retval = 1;
         unsigned long   flags;
         u32             ppcd = 0;
 
-        /* if !USB_SUSPEND, root hub timers won't get shut down ... */
-        if (ehci->rh_state != EHCI_RH_RUNNING)
-                return 0;
-
         /* init status to no-changes */
         buf [0] = 0;
         ports = HCS_N_PORTS (ehci->hcs_params);
@@ -572,6 +563,11 @@ ehci_hub_status_data (struct usb_hcd *hcd, char *buf)
                 retval++;
         }
 
+        /* Inform the core about resumes-in-progress by returning
+         * a non-zero value even if there are no status changes.
+         */
+        status = ehci->resuming_ports;
+
         /* Some boards (mostly VIA?) report bogus overcurrent indications,
          * causing massive log spam unless we completely ignore them.  It
          * may be relevant that VIA VT8235 controllers, where PORT_POWER is
@@ -846,6 +842,7 @@ static int ehci_hub_control (
                                 ehci_writel(ehci,
                                         temp & ~(PORT_RWC_BITS | PORT_RESUME),
                                         status_reg);
+                                clear_bit(wIndex, &ehci->resuming_ports);
                                 retval = handshake(ehci, status_reg,
                                            PORT_RESUME, 0, 2000 /* 2msec */);
                                 if (retval != 0) {
@@ -864,6 +861,7 @@ static int ehci_hub_control (
                                         ehci->reset_done[wIndex])) {
                         status |= USB_PORT_STAT_C_RESET << 16;
                         ehci->reset_done [wIndex] = 0;
+                        clear_bit(wIndex, &ehci->resuming_ports);
 
                         /* force reset to complete */
                         ehci_writel(ehci, temp & ~(PORT_RWC_BITS | PORT_RESET),
@@ -884,8 +882,10 @@ static int ehci_hub_control (
                                         ehci_readl(ehci, status_reg));
                 }
 
-                if (!(temp & (PORT_RESUME|PORT_RESET)))
+                if (!(temp & (PORT_RESUME|PORT_RESET))) {
                         ehci->reset_done[wIndex] = 0;
+                        clear_bit(wIndex, &ehci->resuming_ports);
+                }
 
                 /* transfer dedicated ports to the companion hc */
                 if ((temp & PORT_CONNECT) &&
@@ -920,6 +920,7 @@ static int ehci_hub_control (
                         status |= USB_PORT_STAT_SUSPEND;
                 } else if (test_bit(wIndex, &ehci->suspended_ports)) {
                         clear_bit(wIndex, &ehci->suspended_ports);
+                        clear_bit(wIndex, &ehci->resuming_ports);
                         ehci->reset_done[wIndex] = 0;
                         if (temp & PORT_PE)
                                 set_bit(wIndex, &ehci->port_c_suspend);
diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c
index bba9850f32f..5c78f9e7146 100644
--- a/drivers/usb/host/ehci-omap.c
+++ b/drivers/usb/host/ehci-omap.c
@@ -42,6 +42,7 @@
 #include <plat/usb.h>
 #include <linux/regulator/consumer.h>
 #include <linux/pm_runtime.h>
+#include <linux/gpio.h>
 
 /* EHCI Register Set */
 #define EHCI_INSNREG04                                  (0xA0)
@@ -191,6 +192,19 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev)
                 }
         }
 
+        if (pdata->phy_reset) {
+                if (gpio_is_valid(pdata->reset_gpio_port[0]))
+                        gpio_request_one(pdata->reset_gpio_port[0],
+                                         GPIOF_OUT_INIT_LOW, "USB1 PHY reset");
+
+                if (gpio_is_valid(pdata->reset_gpio_port[1]))
+                        gpio_request_one(pdata->reset_gpio_port[1],
+                                         GPIOF_OUT_INIT_LOW, "USB2 PHY reset");
+
+                /* Hold the PHY in RESET for enough time till DIR is high */
+                udelay(10);
+        }
+
         pm_runtime_enable(dev);
         pm_runtime_get_sync(dev);
 
@@ -237,6 +251,19 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev)
         /* root ports should always stay powered */
         ehci_port_power(omap_ehci, 1);
 
+        if (pdata->phy_reset) {
+                /* Hold the PHY in RESET for enough time till
+                 * PHY is settled and ready
+                 */
+                udelay(10);
+
+                if (gpio_is_valid(pdata->reset_gpio_port[0]))
+                        gpio_set_value(pdata->reset_gpio_port[0], 1);
+
+                if (gpio_is_valid(pdata->reset_gpio_port[1]))
+                        gpio_set_value(pdata->reset_gpio_port[1], 1);
+        }
+
         return 0;
 
 err_add_hcd:
@@ -259,8 +286,9 @@ err_io:
  */
 static int ehci_hcd_omap_remove(struct platform_device *pdev)
 {
-        struct device *dev      = &pdev->dev;
-        struct usb_hcd *hcd     = dev_get_drvdata(dev);
+        struct device *dev                              = &pdev->dev;
+        struct usb_hcd *hcd                             = dev_get_drvdata(dev);
+        struct ehci_hcd_omap_platform_data *pdata       = dev->platform_data;
 
         usb_remove_hcd(hcd);
         disable_put_regulator(dev->platform_data);
@@ -269,6 +297,13 @@ static int ehci_hcd_omap_remove(struct platform_device *pdev)
         pm_runtime_put_sync(dev);
         pm_runtime_disable(dev);
 
+        if (pdata->phy_reset) {
+                if (gpio_is_valid(pdata->reset_gpio_port[0]))
+                        gpio_free(pdata->reset_gpio_port[0]);
+
+                if (gpio_is_valid(pdata->reset_gpio_port[1]))
+                        gpio_free(pdata->reset_gpio_port[1]);
+        }
         return 0;
 }
 
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index 01bb7241d6e..fe8dc069164 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -144,6 +144,14 @@ static int ehci_pci_setup(struct usb_hcd *hcd)
                         hcd->has_tt = 1;
                         tdi_reset(ehci);
                 }
+                if (pdev->subsystem_vendor == PCI_VENDOR_ID_ASUSTEK) {
+                        /* EHCI #1 or #2 on 6 Series/C200 Series chipset */
+                        if (pdev->device == 0x1c26 || pdev->device == 0x1c2d) {
+                                ehci_info(ehci, "broken D3 during system sleep on ASUS\n");
+                                hcd->broken_pci_sleep = 1;
+                                device_set_wakeup_capable(&pdev->dev, false);
+                        }
+                }
                 break;
         case PCI_VENDOR_ID_TDI:
                 if (pdev->device == PCI_DEVICE_ID_TDI_EHCI) {
diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c
index 3de48a2d795..86183366647 100644
--- a/drivers/usb/host/ehci-tegra.c
+++ b/drivers/usb/host/ehci-tegra.c
@@ -224,6 +224,7 @@ static int tegra_ehci_hub_control(
                 temp &= ~(PORT_RWC_BITS | PORT_WAKE_BITS);
                 /* start resume signalling */
                 ehci_writel(ehci, temp | PORT_RESUME, status_reg);
+                set_bit(wIndex-1, &ehci->resuming_ports);
 
                 spin_unlock_irqrestore(&ehci->lock, flags);
                 msleep(20);
@@ -236,6 +237,7 @@ static int tegra_ehci_hub_control(
                         pr_err("%s: timeout waiting for SUSPEND\n", __func__);
 
                 ehci->reset_done[wIndex-1] = 0;
+                clear_bit(wIndex-1, &ehci->resuming_ports);
 
                 tegra->port_resuming = 1;
                 goto done;
@@ -729,7 +731,6 @@ static int tegra_ehci_probe(struct platform_device *pdev)
                 err = -ENODEV;
                 goto fail;
         }
-        set_irq_flags(irq, IRQF_VALID);
 
 #ifdef CONFIG_USB_OTG_UTILS
         if (pdata->operating_mode == TEGRA_USB_OTG) {
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 8f9acbc96fd..2694ed6558d 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -117,6 +117,8 @@ struct ehci_hcd {			/* one per controller */
                         the change-suspend feature turned on */
         unsigned long           suspended_ports;        /* which ports are
                         suspended */
+        unsigned long           resuming_ports;         /* which ports have
+                        started to resume */
 
         /* per-HC memory pools (could be per-bus, but ...) */
         struct dma_pool         *qh_pool;       /* qh per active urb */
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 09f597ad6e0..13ebeca8e73 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -94,7 +94,7 @@ static void at91_stop_hc(struct platform_device *pdev)
 
 /*-------------------------------------------------------------------------*/
 
-static void usb_hcd_at91_remove (struct usb_hcd *, struct platform_device *);
+static void __devexit usb_hcd_at91_remove (struct usb_hcd *, struct platform_device *);
 
 /* configure so an HC device and id are always provided */
 /* always called with process context; sleeping is OK */
@@ -108,7 +108,7 @@ static void usb_hcd_at91_remove (struct usb_hcd *, struct platform_device *);
  * then invokes the start() method for the HCD associated with it
  * through the hotplug entry's driver_data.
  */
-static int usb_hcd_at91_probe(const struct hc_driver *driver,
+static int __devinit usb_hcd_at91_probe(const struct hc_driver *driver,
                         struct platform_device *pdev)
 {
         int retval;
@@ -203,7 +203,7 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver,
  * context, "rmmod" or something similar.
  *
  */
-static void usb_hcd_at91_remove(struct usb_hcd *hcd,
+static void __devexit usb_hcd_at91_remove(struct usb_hcd *hcd,
                                 struct platform_device *pdev)
 {
         usb_remove_hcd(hcd);
@@ -545,7 +545,7 @@ static int __devinit ohci_at91_of_init(struct platform_device *pdev)
 
 /*-------------------------------------------------------------------------*/
 
-static int ohci_hcd_at91_drv_probe(struct platform_device *pdev)
+static int __devinit ohci_hcd_at91_drv_probe(struct platform_device *pdev)
 {
         struct at91_usbh_data   *pdata;
         int                     i;
@@ -620,7 +620,7 @@ static int ohci_hcd_at91_drv_probe(struct platform_device *pdev)
         return usb_hcd_at91_probe(&ohci_at91_hc_driver, pdev);
 }
 
-static int ohci_hcd_at91_drv_remove(struct platform_device *pdev)
+static int __devexit ohci_hcd_at91_drv_remove(struct platform_device *pdev)
 {
         struct at91_usbh_data   *pdata = pdev->dev.platform_data;
         int                     i;
@@ -696,7 +696,7 @@ MODULE_ALIAS("platform:at91_ohci");
 
 static struct platform_driver ohci_hcd_at91_driver = {
         .probe          = ohci_hcd_at91_drv_probe,
-        .remove         = ohci_hcd_at91_drv_remove,
+        .remove         = __devexit_p(ohci_hcd_at91_drv_remove),
         .shutdown       = usb_hcd_platform_shutdown,
         .suspend        = ohci_hcd_at91_drv_suspend,
         .resume         = ohci_hcd_at91_drv_resume,
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index 11de5f1be98..32dada8c8b4 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -825,9 +825,13 @@ static void __devinit quirk_usb_handoff_xhci(struct pci_dev *pdev)
                 }
         }
 
-        /* Disable any BIOS SMIs */
-        writel(XHCI_LEGACY_DISABLE_SMI,
-                        base + ext_cap_offset + XHCI_LEGACY_CONTROL_OFFSET);
+        val = readl(base + ext_cap_offset + XHCI_LEGACY_CONTROL_OFFSET);
+        /* Mask off (turn off) any enabled SMIs */
+        val &= XHCI_LEGACY_DISABLE_SMI;
+        /* Mask all SMI events bits, RW1C */
+        val |= XHCI_LEGACY_SMI_EVENTS;
+        /* Disable any BIOS SMIs and clear all SMI events*/
+        writel(val, base + ext_cap_offset + XHCI_LEGACY_CONTROL_OFFSET);
 
         if (usb_is_intel_switchable_xhci(pdev))
                 usb_enable_xhci_ports(pdev);
diff --git a/drivers/usb/host/uhci-hub.c b/drivers/usb/host/uhci-hub.c
index 045cde4cbc3..768d54295a2 100644
--- a/drivers/usb/host/uhci-hub.c
+++ b/drivers/usb/host/uhci-hub.c
@@ -196,11 +196,12 @@ static int uhci_hub_status_data(struct usb_hcd *hcd, char *buf)
         status = get_hub_status_data(uhci, buf);
 
         switch (uhci->rh_state) {
-            case UHCI_RH_SUSPENDING:
             case UHCI_RH_SUSPENDED:
                 /* if port change, ask to be resumed */
-                if (status || uhci->resuming_ports)
+                if (status || uhci->resuming_ports) {
+                        status = 1;
                         usb_hcd_resume_root_hub(hcd);
+                }
                 break;
 
             case UHCI_RH_AUTO_STOPPED:
diff --git a/drivers/usb/host/xhci-dbg.c b/drivers/usb/host/xhci-dbg.c
index e9b0f043455..4b436f5a417 100644
--- a/drivers/usb/host/xhci-dbg.c
+++ b/drivers/usb/host/xhci-dbg.c
@@ -119,7 +119,7 @@ static void xhci_print_command_reg(struct xhci_hcd *xhci)
         xhci_dbg(xhci, "  Event Interrupts %s\n",
                         (temp & CMD_EIE) ? "enabled " : "disabled");
         xhci_dbg(xhci, "  Host System Error Interrupts %s\n",
-                        (temp & CMD_EIE) ? "enabled " : "disabled");
+                        (temp & CMD_HSEIE) ? "enabled " : "disabled");
         xhci_dbg(xhci, "  HC has %sfinished light reset\n",
                         (temp & CMD_LRESET) ? "not " : "");
 }
diff --git a/drivers/usb/host/xhci-ext-caps.h b/drivers/usb/host/xhci-ext-caps.h
index c7f33123d4c..377f4242dab 100644
--- a/drivers/usb/host/xhci-ext-caps.h
+++ b/drivers/usb/host/xhci-ext-caps.h
@@ -62,8 +62,9 @@
 /* USB Legacy Support Control and Status Register  - section 7.1.2 */
 /* Add this offset, plus the value of xECP in HCCPARAMS to the base address */
 #define XHCI_LEGACY_CONTROL_OFFSET      (0x04)
-/* bits 1:2, 5:12, and 17:19 need to be preserved; bits 21:28 should be zero */
-#define XHCI_LEGACY_DISABLE_SMI         ((0x3 << 1) + (0xff << 5) + (0x7 << 17))
+/* bits 1:3, 5:12, and 17:19 need to be preserved; bits 21:28 should be zero */
+#define XHCI_LEGACY_DISABLE_SMI         ((0x7 << 1) + (0xff << 5) + (0x7 << 17))
+#define XHCI_LEGACY_SMI_EVENTS          (0x7 << 29)
 
 /* USB 2.0 xHCI 0.96 L1C capability - section 7.2.2.1.3.2 */
 #define XHCI_L1C               (1 << 16)
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index cae4c6f2845..68eaa908ac8 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1796,11 +1796,6 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
         int i;
 
         /* Free the Event Ring Segment Table and the actual Event Ring */
-        if (xhci->ir_set) {
-                xhci_writel(xhci, 0, &xhci->ir_set->erst_size);
-                xhci_write_64(xhci, 0, &xhci->ir_set->erst_base);
-                xhci_write_64(xhci, 0, &xhci->ir_set->erst_dequeue);
-        }
         size = sizeof(struct xhci_erst_entry)*(xhci->erst.num_entries);
         if (xhci->erst.entries)
                 dma_free_coherent(&pdev->dev, size,
@@ -1812,7 +1807,6 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
         xhci->event_ring = NULL;
         xhci_dbg(xhci, "Freed event ring\n");
 
-        xhci_write_64(xhci, 0, &xhci->op_regs->cmd_ring);
         if (xhci->cmd_ring)
                 xhci_ring_free(xhci, xhci->cmd_ring);
         xhci->cmd_ring = NULL;
@@ -1841,7 +1835,6 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
         xhci->medium_streams_pool = NULL;
         xhci_dbg(xhci, "Freed medium stream array pool\n");
 
-        xhci_write_64(xhci, 0, &xhci->op_regs->dcbaa_ptr);
         if (xhci->dcbaa)
                 dma_free_coherent(&pdev->dev, sizeof(*xhci->dcbaa),
                                 xhci->dcbaa, xhci->dcbaa->dma);
@@ -2459,6 +2452,8 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
 
 fail:
         xhci_warn(xhci, "Couldn't initialize memory\n");
+        xhci_halt(xhci);
+        xhci_reset(xhci);
         xhci_mem_cleanup(xhci);
         return -ENOMEM;
 }
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index ef98b38626f..7a856a767e7 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -95,6 +95,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
                 xhci->quirks |= XHCI_RESET_ON_RESUME;
                 xhci_dbg(xhci, "QUIRK: Resetting on resume\n");
         }
+        if (pdev->vendor == PCI_VENDOR_ID_VIA)
+                xhci->quirks |= XHCI_RESET_ON_RESUME;
 }
 
 /* called during probe() after chip reset completes */
@@ -326,7 +328,7 @@ int __init xhci_register_pci(void)
         return pci_register_driver(&xhci_pci_driver);
 }
 
-void __exit xhci_unregister_pci(void)
+void xhci_unregister_pci(void)
 {
         pci_unregister_driver(&xhci_pci_driver);
 }
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 6bd9d53062e..3d9422f16a2 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2417,7 +2417,7 @@ hw_died:
                 u32 irq_pending;
                 /* Acknowledge the PCI interrupt */
                 irq_pending = xhci_readl(xhci, &xhci->ir_set->irq_pending);
-                irq_pending |= 0x3;
+                irq_pending |= IMAN_IP;
                 xhci_writel(xhci, irq_pending, &xhci->ir_set->irq_pending);
         }
 
@@ -2734,7 +2734,7 @@ int xhci_queue_intr_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
                                 urb->dev->speed == USB_SPEED_FULL)
                         urb->interval /= 8;
         }
-        return xhci_queue_bulk_tx(xhci, GFP_ATOMIC, urb, slot_id, ep_index);
+        return xhci_queue_bulk_tx(xhci, mem_flags, urb, slot_id, ep_index);
 }
 
 /*
@@ -3514,7 +3514,7 @@ int xhci_queue_isoc_tx_prepare(struct xhci_hcd *xhci, gfp_t mem_flags,
         }
         ep_ring->num_trbs_free_temp = ep_ring->num_trbs_free;
 
-        return xhci_queue_isoc_tx(xhci, GFP_ATOMIC, urb, slot_id, ep_index);
+        return xhci_queue_isoc_tx(xhci, mem_flags, urb, slot_id, ep_index);
 }
 
 /****           Command Ring Operations         ****/
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index e1963d4a430..36641a7f237 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -106,6 +106,9 @@ int xhci_halt(struct xhci_hcd *xhci)
                         STS_HALT, STS_HALT, XHCI_MAX_HALT_USEC);
         if (!ret)
                 xhci->xhc_state |= XHCI_STATE_HALTED;
+        else
+                xhci_warn(xhci, "Host not halted after %u microseconds.\n",
+                                XHCI_MAX_HALT_USEC);
         return ret;
 }
 
@@ -664,11 +667,11 @@ static void xhci_save_registers(struct xhci_hcd *xhci)
         xhci->s3.dev_nt = xhci_readl(xhci, &xhci->op_regs->dev_notification);
         xhci->s3.dcbaa_ptr = xhci_read_64(xhci, &xhci->op_regs->dcbaa_ptr);
         xhci->s3.config_reg = xhci_readl(xhci, &xhci->op_regs->config_reg);
-        xhci->s3.irq_pending = xhci_readl(xhci, &xhci->ir_set->irq_pending);
-        xhci->s3.irq_control = xhci_readl(xhci, &xhci->ir_set->irq_control);
         xhci->s3.erst_size = xhci_readl(xhci, &xhci->ir_set->erst_size);
         xhci->s3.erst_base = xhci_read_64(xhci, &xhci->ir_set->erst_base);
         xhci->s3.erst_dequeue = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue);
+        xhci->s3.irq_pending = xhci_readl(xhci, &xhci->ir_set->irq_pending);
+        xhci->s3.irq_control = xhci_readl(xhci, &xhci->ir_set->irq_control);
 }
 
 static void xhci_restore_registers(struct xhci_hcd *xhci)
@@ -677,10 +680,11 @@ static void xhci_restore_registers(struct xhci_hcd *xhci)
         xhci_writel(xhci, xhci->s3.dev_nt, &xhci->op_regs->dev_notification);
         xhci_write_64(xhci, xhci->s3.dcbaa_ptr, &xhci->op_regs->dcbaa_ptr);
         xhci_writel(xhci, xhci->s3.config_reg, &xhci->op_regs->config_reg);
-        xhci_writel(xhci, xhci->s3.irq_pending, &xhci->ir_set->irq_pending);
-        xhci_writel(xhci, xhci->s3.irq_control, &xhci->ir_set->irq_control);
         xhci_writel(xhci, xhci->s3.erst_size, &xhci->ir_set->erst_size);
         xhci_write_64(xhci, xhci->s3.erst_base, &xhci->ir_set->erst_base);
+        xhci_write_64(xhci, xhci->s3.erst_dequeue, &xhci->ir_set->erst_dequeue);
+        xhci_writel(xhci, xhci->s3.irq_pending, &xhci->ir_set->irq_pending);
+        xhci_writel(xhci, xhci->s3.irq_control, &xhci->ir_set->irq_control);
 }
 
 static void xhci_set_cmd_ring_deq(struct xhci_hcd *xhci)
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 91074fdab3e..3d69c4b2b54 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -205,6 +205,10 @@ struct xhci_op_regs {
 #define CMD_PM_INDEX    (1 << 11)
 /* bits 12:31 are reserved (and should be preserved on writes). */
 
+/* IMAN - Interrupt Management Register */
+#define IMAN_IP         (1 << 1)
+#define IMAN_IE         (1 << 0)
+
 /* USBSTS - USB status - status bitmasks */
 /* HC not running - set to 1 when run/stop bit is cleared. */
 #define STS_HALT        XHCI_STS_HALT
diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
index 959145baf3c..9dcb68f04f0 100644
--- a/drivers/usb/misc/usbtest.c
+++ b/drivers/usb/misc/usbtest.c
@@ -423,7 +423,7 @@ alloc_sglist(int nents, int max, int vary)
         unsigned                i;
         unsigned                size = max;
 
-        sg = kmalloc(nents * sizeof *sg, GFP_KERNEL);
+        sg = kmalloc_array(nents, sizeof *sg, GFP_KERNEL);
         if (!sg)
                 return NULL;
         sg_init_table(sg, nents);
@@ -904,6 +904,9 @@ test_ctrl_queue(struct usbtest_dev *dev, struct usbtest_param *param)
         struct ctrl_ctx         context;
         int                     i;
 
+        if (param->sglen == 0 || param->iterations > UINT_MAX / param->sglen)
+                return -EOPNOTSUPP;
+
         spin_lock_init(&context.lock);
         context.dev = dev;
         init_completion(&context.complete);
@@ -1981,8 +1984,6 @@ usbtest_ioctl(struct usb_interface *intf, unsigned int code, void *buf)
 
         /* queued control messaging */
         case 10:
-                if (param->sglen == 0)
-                        break;
                 retval = 0;
                 dev_info(&intf->dev,
                                 "TEST 10:  queue %d control calls, %d times\n",
@@ -2276,6 +2277,8 @@ usbtest_probe(struct usb_interface *intf, const struct usb_device_id *id)
                         if (status < 0) {
                                 WARNING(dev, "couldn't get endpoints, %d\n",
                                                 status);
+                                kfree(dev->buf);
+                                kfree(dev);
                                 return status;
                         }
                         /* may find bulk or ISO pipes */
diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c
index 897edda4227..70201462e19 100644
--- a/drivers/usb/misc/yurex.c
+++ b/drivers/usb/misc/yurex.c
@@ -99,9 +99,7 @@ static void yurex_delete(struct kref *kref)
         usb_put_dev(dev->udev);
         if (dev->cntl_urb) {
                 usb_kill_urb(dev->cntl_urb);
-                if (dev->cntl_req)
-                        usb_free_coherent(dev->udev, YUREX_BUF_SIZE,
-                                dev->cntl_req, dev->cntl_urb->setup_dma);
+                kfree(dev->cntl_req);
                 if (dev->cntl_buffer)
                         usb_free_coherent(dev->udev, YUREX_BUF_SIZE,
                                 dev->cntl_buffer, dev->cntl_urb->transfer_dma);
@@ -234,9 +232,7 @@ static int yurex_probe(struct usb_interface *interface, const struct usb_device_
         }
 
         /* allocate buffer for control req */
-        dev->cntl_req = usb_alloc_coherent(dev->udev, YUREX_BUF_SIZE,
-                                           GFP_KERNEL,
-                                           &dev->cntl_urb->setup_dma);
+        dev->cntl_req = kmalloc(YUREX_BUF_SIZE, GFP_KERNEL);
         if (!dev->cntl_req) {
                 err("Could not allocate cntl_req");
                 goto error;
@@ -286,7 +282,7 @@ static int yurex_probe(struct usb_interface *interface, const struct usb_device_
                          usb_rcvintpipe(dev->udev, dev->int_in_endpointAddr),
                          dev->int_buffer, YUREX_BUF_SIZE, yurex_interrupt,
                          dev, 1);
-        dev->cntl_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+        dev->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
         if (usb_submit_urb(dev->urb, GFP_KERNEL)) {
                 retval = -EIO;
                 err("Could not submitting URB");
diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c
index 97ab975fa44..768b4b55c81 100644
--- a/drivers/usb/musb/davinci.c
+++ b/drivers/usb/musb/davinci.c
@@ -386,7 +386,7 @@ static int davinci_musb_init(struct musb *musb)
         usb_nop_xceiv_register();
         musb->xceiv = usb_get_transceiver();
         if (!musb->xceiv)
-                return -ENODEV;
+                goto unregister;
 
         musb->mregs += DAVINCI_BASE_OFFSET;
 
@@ -444,6 +444,7 @@ static int davinci_musb_init(struct musb *musb)
 
 fail:
         usb_put_transceiver(musb->xceiv);
+unregister:
         usb_nop_xceiv_unregister();
         return -ENODEV;
 }
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 0f8b82918a4..66aaccf0449 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -137,6 +137,9 @@ static int musb_ulpi_read(struct usb_phy *phy, u32 offset)
         int     i = 0;
         u8      r;
         u8      power;
+        int     ret;
+
+        pm_runtime_get_sync(phy->io_dev);
 
         /* Make sure the transceiver is not in low power mode */
         power = musb_readb(addr, MUSB_POWER);
@@ -154,15 +157,22 @@ static int musb_ulpi_read(struct usb_phy *phy, u32 offset)
         while (!(musb_readb(addr, MUSB_ULPI_REG_CONTROL)
                                 & MUSB_ULPI_REG_CMPLT)) {
                 i++;
-                if (i == 10000)
-                        return -ETIMEDOUT;
+                if (i == 10000) {
+                        ret = -ETIMEDOUT;
+                        goto out;
+                }
 
         }
         r = musb_readb(addr, MUSB_ULPI_REG_CONTROL);
         r &= ~MUSB_ULPI_REG_CMPLT;
         musb_writeb(addr, MUSB_ULPI_REG_CONTROL, r);
 
-        return musb_readb(addr, MUSB_ULPI_REG_DATA);
+        ret = musb_readb(addr, MUSB_ULPI_REG_DATA);
+
+out:
+        pm_runtime_put(phy->io_dev);
+
+        return ret;
 }
 
 static int musb_ulpi_write(struct usb_phy *phy, u32 offset, u32 data)
@@ -171,6 +181,9 @@ static int musb_ulpi_write(struct usb_phy *phy, u32 offset, u32 data)
         int     i = 0;
         u8      r = 0;
         u8      power;
+        int     ret = 0;
+
+        pm_runtime_get_sync(phy->io_dev);
 
         /* Make sure the transceiver is not in low power mode */
         power = musb_readb(addr, MUSB_POWER);
@@ -184,15 +197,20 @@ static int musb_ulpi_write(struct usb_phy *phy, u32 offset, u32 data)
         while (!(musb_readb(addr, MUSB_ULPI_REG_CONTROL)
                                 & MUSB_ULPI_REG_CMPLT)) {
                 i++;
-                if (i == 10000)
-                        return -ETIMEDOUT;
+                if (i == 10000) {
+                        ret = -ETIMEDOUT;
+                        goto out;
+                }
         }
 
         r = musb_readb(addr, MUSB_ULPI_REG_CONTROL);
         r &= ~MUSB_ULPI_REG_CMPLT;
         musb_writeb(addr, MUSB_ULPI_REG_CONTROL, r);
 
-        return 0;
+out:
+        pm_runtime_put(phy->io_dev);
+
+        return ret;
 }
 #else
 #define musb_ulpi_read          NULL
@@ -1904,14 +1922,17 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
 
         if (!musb->isr) {
                 status = -ENODEV;
-                goto fail3;
+                goto fail2;
         }
 
         if (!musb->xceiv->io_ops) {
+                musb->xceiv->io_dev = musb->controller;
                 musb->xceiv->io_priv = musb->mregs;
                 musb->xceiv->io_ops = &musb_ulpi_access;
         }
 
+        pm_runtime_get_sync(musb->controller);
+
 #ifndef CONFIG_MUSB_PIO_ONLY
         if (use_dma && dev->dma_mask) {
                 struct dma_controller   *c;
@@ -2023,6 +2044,8 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
                 goto fail5;
 #endif
 
+        pm_runtime_put(musb->controller);
+
         dev_info(dev, "USB %s mode controller at %p using %s, IRQ %d\n",
                         ({char *s;
                          switch (musb->board_mode) {
@@ -2047,6 +2070,9 @@ fail4:
                 musb_gadget_cleanup(musb);
 
 fail3:
+        pm_runtime_put_sync(musb->controller);
+
+fail2:
         if (musb->irq_wake)
                 device_init_wakeup(dev, 0);
         musb_platform_exit(musb);
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index 93de517a32a..f4a40f001c8 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -449,7 +449,7 @@ struct musb {
          * We added this flag to forcefully disable double
          * buffering until we get it working.
          */
-        unsigned                double_buffer_not_ok:1 __deprecated;
+        unsigned                double_buffer_not_ok:1;
 
         struct musb_hdrc_config *config;
 
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 79cb0af779f..ef8d744800a 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -2098,7 +2098,7 @@ static int musb_cleanup_urb(struct urb *urb, struct musb_qh *qh)
         }
 
         /* turn off DMA requests, discard state, stop polling ... */
-        if (is_in) {
+        if (ep->epnum && is_in) {
                 /* giveback saves bulk toggle */
                 csr = musb_h_flush_rxfifo(ep, 0);
 
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index 2ae0bb30999..c7785e81254 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -282,7 +282,8 @@ static void musb_otg_notifier_work(struct work_struct *data_notifier_work)
 
 static int omap2430_musb_init(struct musb *musb)
 {
-        u32 l, status = 0;
+        u32 l;
+        int status = 0;
         struct device *dev = musb->controller;
         struct musb_hdrc_platform_data *plat = dev->platform_data;
         struct omap_musb_board_data *data = plat->board_data;
@@ -301,7 +302,7 @@ static int omap2430_musb_init(struct musb *musb)
 
         status = pm_runtime_get_sync(dev);
         if (status < 0) {
-                dev_err(dev, "pm_runtime_get_sync FAILED");
+                dev_err(dev, "pm_runtime_get_sync FAILED %d\n", status);
                 goto err1;
         }
 
@@ -333,6 +334,7 @@ static int omap2430_musb_init(struct musb *musb)
 
         setup_timer(&musb_idle_timer, musb_do_idle, (unsigned long) musb);
 
+        pm_runtime_put_noidle(musb->controller);
         return 0;
 
 err1:
@@ -452,14 +454,14 @@ static int __devinit omap2430_probe(struct platform_device *pdev)
                 goto err2;
         }
 
+        pm_runtime_enable(&pdev->dev);
+
         ret = platform_device_add(musb);
         if (ret) {
                 dev_err(&pdev->dev, "failed to register musb device\n");
                 goto err2;
         }
 
-        pm_runtime_enable(&pdev->dev);
-
         return 0;
 
 err2:
@@ -478,7 +480,6 @@ static int __devexit omap2430_remove(struct platform_device *pdev)
 
         platform_device_del(glue->musb);
         platform_device_put(glue->musb);
-        pm_runtime_put(&pdev->dev);
         kfree(glue);
 
         return 0;
@@ -491,11 +492,13 @@ static int omap2430_runtime_suspend(struct device *dev)
         struct omap2430_glue            *glue = dev_get_drvdata(dev);
         struct musb                     *musb = glue_to_musb(glue);
 
-        musb->context.otg_interfsel = musb_readl(musb->mregs,
-                                                OTG_INTERFSEL);
+        if (musb) {
+                musb->context.otg_interfsel = musb_readl(musb->mregs,
+                                OTG_INTERFSEL);
 
-        omap2430_low_level_exit(musb);
-        usb_phy_set_suspend(musb->xceiv, 1);
+                omap2430_low_level_exit(musb);
+                usb_phy_set_suspend(musb->xceiv, 1);
+        }
 
         return 0;
 }
@@ -505,11 +508,13 @@ static int omap2430_runtime_resume(struct device *dev)
         struct omap2430_glue            *glue = dev_get_drvdata(dev);
         struct musb                     *musb = glue_to_musb(glue);
 
-        omap2430_low_level_init(musb);
-        musb_writel(musb->mregs, OTG_INTERFSEL,
-                                        musb->context.otg_interfsel);
+        if (musb) {
+                omap2430_low_level_init(musb);
+                musb_writel(musb->mregs, OTG_INTERFSEL,
+                                musb->context.otg_interfsel);
 
-        usb_phy_set_suspend(musb->xceiv, 0);
+                usb_phy_set_suspend(musb->xceiv, 0);
+        }
 
         return 0;
 }
diff --git a/drivers/usb/otg/gpio_vbus.c b/drivers/usb/otg/gpio_vbus.c
index 3ece43a2e4c..a0a2178974f 100644
--- a/drivers/usb/otg/gpio_vbus.c
+++ b/drivers/usb/otg/gpio_vbus.c
@@ -96,7 +96,7 @@ static void gpio_vbus_work(struct work_struct *work)
         struct gpio_vbus_data *gpio_vbus =
                 container_of(work, struct gpio_vbus_data, work);
         struct gpio_vbus_mach_info *pdata = gpio_vbus->dev->platform_data;
-        int gpio;
+        int gpio, status;
 
         if (!gpio_vbus->phy.otg->gadget)
                 return;
@@ -108,7 +108,9 @@ static void gpio_vbus_work(struct work_struct *work)
          */
         gpio = pdata->gpio_pullup;
         if (is_vbus_powered(pdata)) {
+                status = USB_EVENT_VBUS;
                 gpio_vbus->phy.state = OTG_STATE_B_PERIPHERAL;
+                gpio_vbus->phy.last_event = status;
                 usb_gadget_vbus_connect(gpio_vbus->phy.otg->gadget);
 
                 /* drawing a "unit load" is *always* OK, except for OTG */
@@ -117,6 +119,9 @@ static void gpio_vbus_work(struct work_struct *work)
                 /* optionally enable D+ pullup */
                 if (gpio_is_valid(gpio))
                         gpio_set_value(gpio, !pdata->gpio_pullup_inverted);
+
+                atomic_notifier_call_chain(&gpio_vbus->phy.notifier,
+                                           status, gpio_vbus->phy.otg->gadget);
         } else {
                 /* optionally disable D+ pullup */
                 if (gpio_is_valid(gpio))
@@ -125,7 +130,12 @@ static void gpio_vbus_work(struct work_struct *work)
                 set_vbus_draw(gpio_vbus, 0);
 
                 usb_gadget_vbus_disconnect(gpio_vbus->phy.otg->gadget);
+                status = USB_EVENT_NONE;
                 gpio_vbus->phy.state = OTG_STATE_B_IDLE;
+                gpio_vbus->phy.last_event = status;
+
+                atomic_notifier_call_chain(&gpio_vbus->phy.notifier,
+                                           status, gpio_vbus->phy.otg->gadget);
         }
 }
 
@@ -287,6 +297,9 @@ static int __init gpio_vbus_probe(struct platform_device *pdev)
                         irq, err);
                 goto err_irq;
         }
+
+        ATOMIC_INIT_NOTIFIER_HEAD(&gpio_vbus->phy.notifier);
+
         INIT_WORK(&gpio_vbus->work, gpio_vbus_work);
 
         gpio_vbus->vbus_draw = regulator_get(&pdev->dev, "vbus_draw");
diff --git a/drivers/usb/serial/bus.c b/drivers/usb/serial/bus.c
index 7f547dc3a59..ed8adb052ca 100644
--- a/drivers/usb/serial/bus.c
+++ b/drivers/usb/serial/bus.c
@@ -60,8 +60,6 @@ static int usb_serial_device_probe(struct device *dev)
                 retval = -ENODEV;
                 goto exit;
         }
-        if (port->dev_state != PORT_REGISTERING)
-                goto exit;
 
         driver = port->serial->type;
         if (driver->port_probe) {
@@ -98,9 +96,6 @@ static int usb_serial_device_remove(struct device *dev)
         if (!port)
                 return -ENODEV;
 
-        if (port->dev_state != PORT_UNREGISTERING)
-                return retval;
-
         device_remove_file(&port->dev, &dev_attr_port_number);
 
         driver = port->serial->type;
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 0310e2df59f..ec30f95ef39 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -287,7 +287,8 @@ static int cp210x_get_config(struct usb_serial_port *port, u8 request,
         /* Issue the request, attempting to read 'size' bytes */
         result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
                                 request, REQTYPE_DEVICE_TO_HOST, 0x0000,
-                                port_priv->bInterfaceNumber, buf, size, 300);
+                                port_priv->bInterfaceNumber, buf, size,
+                                USB_CTRL_GET_TIMEOUT);
 
         /* Convert data into an array of integers */
         for (i = 0; i < length; i++)
@@ -340,12 +341,14 @@ static int cp210x_set_config(struct usb_serial_port *port, u8 request,
                 result = usb_control_msg(serial->dev,
                                 usb_sndctrlpipe(serial->dev, 0),
                                 request, REQTYPE_HOST_TO_DEVICE, 0x0000,
-                                port_priv->bInterfaceNumber, buf, size, 300);
+                                port_priv->bInterfaceNumber, buf, size,
+                                USB_CTRL_SET_TIMEOUT);
         } else {
                 result = usb_control_msg(serial->dev,
                                 usb_sndctrlpipe(serial->dev, 0),
                                 request, REQTYPE_HOST_TO_DEVICE, data[0],
-                                port_priv->bInterfaceNumber, NULL, 0, 300);
+                                port_priv->bInterfaceNumber, NULL, 0,
+                                USB_CTRL_SET_TIMEOUT);
         }
 
         kfree(buf);
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index ff8605b4b4b..02e7f2d32d5 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -75,7 +75,8 @@ struct ftdi_private {
         unsigned long last_dtr_rts;     /* saved modem control outputs */
         struct async_icount     icount;
         wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */
-        char prev_status, diff_status;        /* Used for TIOCMIWAIT */
+        char prev_status;        /* Used for TIOCMIWAIT */
+        bool dev_gone;        /* Used to abort TIOCMIWAIT */
         char transmit_empty;    /* If transmitter is empty or not */
         struct usb_serial_port *port;
         __u16 interface;        /* FT2232C, FT2232H or FT4232H port interface
@@ -1681,6 +1682,7 @@ static int ftdi_sio_port_probe(struct usb_serial_port *port)
         init_waitqueue_head(&priv->delta_msr_wait);
 
         priv->flags = ASYNC_LOW_LATENCY;
+        priv->dev_gone = false;
 
         if (quirk && quirk->port_probe)
                 quirk->port_probe(priv);
@@ -1839,6 +1841,9 @@ static int ftdi_sio_port_remove(struct usb_serial_port *port)
 
         dbg("%s", __func__);
 
+        priv->dev_gone = true;
+        wake_up_interruptible_all(&priv->delta_msr_wait);
+
         remove_sysfs_attrs(port);
 
         kref_put(&priv->kref, ftdi_sio_priv_release);
@@ -1982,17 +1987,19 @@ static int ftdi_process_packet(struct tty_struct *tty,
            N.B. packet may be processed more than once, but differences
            are only processed once.  */
         status = packet[0] & FTDI_STATUS_B0_MASK;
-        if (status & FTDI_RS0_CTS)
-                priv->icount.cts++;
-        if (status & FTDI_RS0_DSR)
-                priv->icount.dsr++;
-        if (status & FTDI_RS0_RI)
-                priv->icount.rng++;
-        if (status & FTDI_RS0_RLSD)
-                priv->icount.dcd++;
         if (status != priv->prev_status) {
-                priv->diff_status |= status ^ priv->prev_status;
-                wake_up_interruptible(&priv->delta_msr_wait);
+                char diff_status = status ^ priv->prev_status;
+
+                if (diff_status & FTDI_RS0_CTS)
+                        priv->icount.cts++;
+                if (diff_status & FTDI_RS0_DSR)
+                        priv->icount.dsr++;
+                if (diff_status & FTDI_RS0_RI)
+                        priv->icount.rng++;
+                if (diff_status & FTDI_RS0_RLSD)
+                        priv->icount.dcd++;
+
+                wake_up_interruptible_all(&priv->delta_msr_wait);
                 priv->prev_status = status;
         }
 
@@ -2395,15 +2402,12 @@ static int ftdi_ioctl(struct tty_struct *tty,
          */
         case TIOCMIWAIT:
                 cprev = priv->icount;
-                while (1) {
+                while (!priv->dev_gone) {
                         interruptible_sleep_on(&priv->delta_msr_wait);
                         /* see if a signal did it */
                         if (signal_pending(current))
                                 return -ERESTARTSYS;
                         cnow = priv->icount;
-                        if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr &&
-                            cnow.dcd == cprev.dcd && cnow.cts == cprev.cts)
-                                return -EIO; /* no change => error */
                         if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) ||
                             ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) ||
                             ((arg & TIOCM_CD)  && (cnow.dcd != cprev.dcd)) ||
@@ -2412,7 +2416,7 @@ static int ftdi_ioctl(struct tty_struct *tty,
                         }
                         cprev = cnow;
                 }
-                /* not reached */
+                return -EIO;
                 break;
         case TIOCSERGETLSR:
                 return get_lsr_info(port, (struct serial_struct __user *)arg);
diff --git a/drivers/usb/serial/metro-usb.c b/drivers/usb/serial/metro-usb.c
index 6e1622f2a29..08d16e8c002 100644
--- a/drivers/usb/serial/metro-usb.c
+++ b/drivers/usb/serial/metro-usb.c
@@ -27,8 +27,8 @@
 
 /* Product information. */
 #define FOCUS_VENDOR_ID                 0x0C2E
-#define FOCUS_PRODUCT_ID                0x0720
-#define FOCUS_PRODUCT_ID_UNI            0x0710
+#define FOCUS_PRODUCT_ID_BI             0x0720
+#define FOCUS_PRODUCT_ID_UNI            0x0700
 
 #define METROUSB_SET_REQUEST_TYPE       0x40
 #define METROUSB_SET_MODEM_CTRL_REQUEST 10
@@ -47,7 +47,7 @@ struct metrousb_private {
 
 /* Device table list. */
 static struct usb_device_id id_table[] = {
-        { USB_DEVICE(FOCUS_VENDOR_ID, FOCUS_PRODUCT_ID) },
+        { USB_DEVICE(FOCUS_VENDOR_ID, FOCUS_PRODUCT_ID_BI) },
         { USB_DEVICE(FOCUS_VENDOR_ID, FOCUS_PRODUCT_ID_UNI) },
         { }, /* Terminating entry. */
 };
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 836cfa9a515..f4465ccddc3 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -708,6 +708,7 @@ static const struct usb_device_id option_ids[] = {
         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_FULLSPEED) },
         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_FULLSPEED) },
         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_HIGHSPEED) },
+        { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_HIGHSPEED) },
         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_HIGHSPEED3) },
         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_HIGHSPEED4) },
         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_HIGHSPEED5) },
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index ff4a174fa5d..a1a9062954c 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -420,7 +420,7 @@ static void pl2303_set_termios(struct tty_struct *tty,
         control = priv->line_control;
         if ((cflag & CBAUD) == B0)
                 priv->line_control &= ~(CONTROL_DTR | CONTROL_RTS);
-        else
+        else if ((old_termios->c_cflag & CBAUD) == B0)
                 priv->line_control |= (CONTROL_DTR | CONTROL_RTS);
         if (control != priv->line_control) {
                 control = priv->line_control;
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index f14465a83dd..8c8bf806f6f 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -221,7 +221,7 @@ static const struct sierra_iface_info typeB_interface_list = {
 };
 
 /* 'blacklist' of interfaces not served by this driver */
-static const u8 direct_ip_non_serial_ifaces[] = { 7, 8, 9, 10, 11 };
+static const u8 direct_ip_non_serial_ifaces[] = { 7, 8, 9, 10, 11, 19, 20 };
 static const struct sierra_iface_info direct_ip_interface_blacklist = {
         .infolen = ARRAY_SIZE(direct_ip_non_serial_ifaces),
         .ifaceinfo = direct_ip_non_serial_ifaces,
@@ -298,6 +298,9 @@ static const struct usb_device_id id_table[] = {
         /* Sierra Wireless HSPA Non-Composite Device */
         { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6892, 0xFF, 0xFF, 0xFF)},
         { USB_DEVICE(0x1199, 0x6893) }, /* Sierra Wireless Device */
+        { USB_DEVICE(0x1199, 0x68A2),   /* Sierra Wireless MC77xx in QMI mode */
+          .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist
+        },
         { USB_DEVICE(0x1199, 0x68A3),   /* Sierra Wireless Direct IP modems */
           .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist
         },
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 69230f01056..97355a15bbe 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -1059,6 +1059,12 @@ int usb_serial_probe(struct usb_interface *interface,
                 serial->attached = 1;
         }
 
+        /* Avoid race with tty_open and serial_install by setting the
+         * disconnected flag and not clearing it until all ports have been
+         * registered.
+         */
+        serial->disconnected = 1;
+
         if (get_free_serial(serial, num_ports, &minor) == NULL) {
                 dev_err(&interface->dev, "No more free serial devices\n");
                 goto probe_error;
@@ -1070,19 +1076,16 @@ int usb_serial_probe(struct usb_interface *interface,
                 port = serial->port[i];
                 dev_set_name(&port->dev, "ttyUSB%d", port->number);
                 dbg ("%s - registering %s", __func__, dev_name(&port->dev));
-                port->dev_state = PORT_REGISTERING;
                 device_enable_async_suspend(&port->dev);
 
                 retval = device_add(&port->dev);
-                if (retval) {
+                if (retval)
                         dev_err(&port->dev, "Error registering port device, "
                                 "continuing\n");
-                        port->dev_state = PORT_UNREGISTERED;
-                } else {
-                        port->dev_state = PORT_REGISTERED;
-                }
         }
 
+        serial->disconnected = 0;
+
         usb_serial_console_init(debug, minor);
 
 exit:
@@ -1124,22 +1127,8 @@ void usb_serial_disconnect(struct usb_interface *interface)
                         }
                         kill_traffic(port);
                         cancel_work_sync(&port->work);
-                        if (port->dev_state == PORT_REGISTERED) {
-
-                                /* Make sure the port is bound so that the
-                                 * driver's port_remove method is called.
-                                 */
-                                if (!port->dev.driver) {
-                                        int rc;
-
-                                        port->dev.driver =
-                                                        &serial->type->driver;
-                                        rc = device_bind_driver(&port->dev);
-                                }
-                                port->dev_state = PORT_UNREGISTERING;
+                        if (device_is_registered(&port->dev))
                                 device_del(&port->dev);
-                                port->dev_state = PORT_UNREGISTERED;
-                        }
                 }
         }
         serial->type->disconnect(serial);
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index c18538e4a6d..2653e73db62 100644
--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -132,6 +132,35 @@ static struct us_unusual_dev for_dynamic_ids =
 #undef COMPLIANT_DEV
 #undef USUAL_DEV
 
+#ifdef CONFIG_LOCKDEP
+
+static struct lock_class_key us_interface_key[USB_MAXINTERFACES];
+
+static void us_set_lock_class(struct mutex *mutex,
+                struct usb_interface *intf)
+{
+        struct usb_device *udev = interface_to_usbdev(intf);
+        struct usb_host_config *config = udev->actconfig;
+        int i;
+
+        for (i = 0; i < config->desc.bNumInterfaces; i++) {
+                if (config->interface[i] == intf)
+                        break;
+        }
+
+        BUG_ON(i == config->desc.bNumInterfaces);
+
+        lockdep_set_class(mutex, &us_interface_key[i]);
+}
+
+#else
+
+static void us_set_lock_class(struct mutex *mutex,
+                struct usb_interface *intf)
+{
+}
+
+#endif
 
 #ifdef CONFIG_PM        /* Minimal support for suspend and resume */
 
@@ -895,6 +924,7 @@ int usb_stor_probe1(struct us_data **pus,
         *pus = us = host_to_us(host);
         memset(us, 0, sizeof(struct us_data));
         mutex_init(&(us->dev_mutex));
+        us_set_lock_class(&us->dev_mutex, intf);
         init_completion(&us->cmnd_ready);
         init_completion(&(us->notify));
         init_waitqueue_head(&us->delay_wait);
diff --git a/drivers/uwb/hwa-rc.c b/drivers/uwb/hwa-rc.c
index 66797e9c501..810c90ae2c5 100644
--- a/drivers/uwb/hwa-rc.c
+++ b/drivers/uwb/hwa-rc.c
@@ -645,7 +645,8 @@ void hwarc_neep_cb(struct urb *urb)
                 dev_err(dev, "NEEP: URB error %d\n", urb->status);
         }
         result = usb_submit_urb(urb, GFP_ATOMIC);
-        if (result < 0) {
+        if (result < 0 && result != -ENODEV && result != -EPERM) {
+                /* ignoring unrecoverable errors */
                 dev_err(dev, "NEEP: Can't resubmit URB (%d) resetting device\n",
                         result);
                 goto error;
diff --git a/drivers/uwb/neh.c b/drivers/uwb/neh.c
index a269937be1b..8cb71bb333c 100644
--- a/drivers/uwb/neh.c
+++ b/drivers/uwb/neh.c
@@ -107,6 +107,7 @@ struct uwb_rc_neh {
         u8 evt_type;
         __le16 evt;
         u8 context;
+        u8 completed;
         uwb_rc_cmd_cb_f cb;
         void *arg;
 
@@ -409,6 +410,7 @@ static void uwb_rc_neh_grok_event(struct uwb_rc *rc, struct uwb_rceb *rceb, size
         struct device *dev = &rc->uwb_dev.dev;
         struct uwb_rc_neh *neh;
         struct uwb_rceb *notif;
+        unsigned long flags;
 
         if (rceb->bEventContext == 0) {
                 notif = kmalloc(size, GFP_ATOMIC);
@@ -422,7 +424,11 @@ static void uwb_rc_neh_grok_event(struct uwb_rc *rc, struct uwb_rceb *rceb, size
         } else {
                 neh = uwb_rc_neh_lookup(rc, rceb);
                 if (neh) {
-                        del_timer_sync(&neh->timer);
+                        spin_lock_irqsave(&rc->neh_lock, flags);
+                        /* to guard against a timeout */
+                        neh->completed = 1;
+                        del_timer(&neh->timer);
+                        spin_unlock_irqrestore(&rc->neh_lock, flags);
                         uwb_rc_neh_cb(neh, rceb, size);
                 } else
                         dev_warn(dev, "event 0x%02x/%04x/%02x (%zu bytes): nobody cared\n",
@@ -568,6 +574,10 @@ static void uwb_rc_neh_timer(unsigned long arg)
         unsigned long flags;
 
         spin_lock_irqsave(&rc->neh_lock, flags);
+        if (neh->completed) {
+                spin_unlock_irqrestore(&rc->neh_lock, flags);
+                return;
+        }
         if (neh->context)
                 __uwb_rc_neh_rm(rc, neh);
         else
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index f0da2c32fbd..1f21d2a1e52 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -238,7 +238,7 @@ static void handle_tx(struct vhost_net *net)
 
                                 vq->heads[vq->upend_idx].len = len;
                                 ubuf->callback = vhost_zerocopy_callback;
-                                ubuf->arg = vq->ubufs;
+                                ubuf->ctx = vq->ubufs;
                                 ubuf->desc = vq->upend_idx;
                                 msg.msg_control = ubuf;
                                 msg.msg_controllen = sizeof(ubuf);
diff --git a/drivers/vhost/test.c b/drivers/vhost/test.c
index fc9a1d75281..3de00d9fae2 100644
--- a/drivers/vhost/test.c
+++ b/drivers/vhost/test.c
@@ -155,7 +155,7 @@ static int vhost_test_release(struct inode *inode, struct file *f)
 
         vhost_test_stop(n, &private);
         vhost_test_flush(n);
-        vhost_dev_cleanup(&n->dev);
+        vhost_dev_cleanup(&n->dev, false);
         /* We do an extra flush before freeing memory,
          * since jobs can re-queue themselves. */
         vhost_test_flush(n);
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 947f00d8e09..51e4c1eeec4 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -1598,10 +1598,9 @@ void vhost_ubuf_put_and_wait(struct vhost_ubuf_ref *ubufs)
         kfree(ubufs);
 }
 
-void vhost_zerocopy_callback(void *arg)
+void vhost_zerocopy_callback(struct ubuf_info *ubuf)
 {
-        struct ubuf_info *ubuf = arg;
-        struct vhost_ubuf_ref *ubufs = ubuf->arg;
+        struct vhost_ubuf_ref *ubufs = ubuf->ctx;
         struct vhost_virtqueue *vq = ubufs->vq;
 
         /* set len = 1 to mark this desc buffers done DMA */
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
index 8dcf4cca6bf..8de1fd5b8ef 100644
--- a/drivers/vhost/vhost.h
+++ b/drivers/vhost/vhost.h
@@ -188,7 +188,7 @@ bool vhost_enable_notify(struct vhost_dev *, struct vhost_virtqueue *);
 
 int vhost_log_write(struct vhost_virtqueue *vq, struct vhost_log *log,
                     unsigned int log_num, u64 len);
-void vhost_zerocopy_callback(void *arg);
+void vhost_zerocopy_callback(struct ubuf_info *);
 int vhost_zerocopy_signal_used(struct vhost_virtqueue *vq);
 
 #define vq_err(vq, fmt, ...) do {                                  \
diff --git a/drivers/video/au1100fb.c b/drivers/video/au1100fb.c
index befcbd8ef01..ffbce452546 100644
--- a/drivers/video/au1100fb.c
+++ b/drivers/video/au1100fb.c
@@ -499,7 +499,8 @@ static int __devinit au1100fb_drv_probe(struct platform_device *dev)
         au1100fb_fix.mmio_start = regs_res->start;
         au1100fb_fix.mmio_len = resource_size(regs_res);
 
-        if (!devm_request_mem_region(au1100fb_fix.mmio_start,
+        if (!devm_request_mem_region(&dev->dev,
+                                     au1100fb_fix.mmio_start,
                                      au1100fb_fix.mmio_len,
                                      DRIVER_NAME)) {
                 print_err("fail to lock memory region at 0x%08lx",
@@ -516,7 +517,7 @@ static int __devinit au1100fb_drv_probe(struct platform_device *dev)
         fbdev->fb_len = fbdev->panel->xres * fbdev->panel->yres *
                         (fbdev->panel->bpp >> 3) * AU1100FB_NBR_VIDEO_BUFFERS;
 
-        fbdev->fb_mem = dmam_alloc_coherent(&dev->dev, &dev->dev,
+        fbdev->fb_mem = dmam_alloc_coherent(&dev->dev,
                                             PAGE_ALIGN(fbdev->fb_len),
                                             &fbdev->fb_phys, GFP_KERNEL);
         if (!fbdev->fb_mem) {
diff --git a/drivers/video/au1200fb.c b/drivers/video/au1200fb.c
index 3e9a773db09..7ca79f02056 100644
--- a/drivers/video/au1200fb.c
+++ b/drivers/video/au1200fb.c
@@ -1724,7 +1724,7 @@ static int __devinit au1200fb_drv_probe(struct platform_device *dev)
                 /* Allocate the framebuffer to the maximum screen size */
                 fbdev->fb_len = (win->w[plane].xres * win->w[plane].yres * bpp) / 8;
 
-                fbdev->fb_mem = dmam_alloc_noncoherent(&dev->dev, &dev->dev,
+                fbdev->fb_mem = dmam_alloc_noncoherent(&dev->dev,
                                 PAGE_ALIGN(fbdev->fb_len),
                                 &fbdev->fb_phys, GFP_KERNEL);
                 if (!fbdev->fb_mem) {
diff --git a/drivers/video/bfin-lq035q1-fb.c b/drivers/video/bfin-lq035q1-fb.c
index 86922ac8441..353c02fe8a9 100644
--- a/drivers/video/bfin-lq035q1-fb.c
+++ b/drivers/video/bfin-lq035q1-fb.c
@@ -13,6 +13,7 @@
 #include <linux/errno.h>
 #include <linux/string.h>
 #include <linux/fb.h>
+#include <linux/gpio.h>
 #include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/types.h>
diff --git a/drivers/video/kyro/STG4000Reg.h b/drivers/video/kyro/STG4000Reg.h
index 5d626988258..50f4670e925 100644
--- a/drivers/video/kyro/STG4000Reg.h
+++ b/drivers/video/kyro/STG4000Reg.h
@@ -73,210 +73,210 @@ typedef enum _OVRL_PIX_FORMAT {
 /* Register Table */
 typedef struct {
         /* 0h  */
-        volatile unsigned long Thread0Enable;   /* 0x0000 */
-        volatile unsigned long Thread1Enable;   /* 0x0004 */
-        volatile unsigned long Thread0Recover;  /* 0x0008 */
-        volatile unsigned long Thread1Recover;  /* 0x000C */
-        volatile unsigned long Thread0Step;     /* 0x0010 */
-        volatile unsigned long Thread1Step;     /* 0x0014 */
-        volatile unsigned long VideoInStatus;   /* 0x0018 */
-        volatile unsigned long Core2InSignStart;        /* 0x001C */
-        volatile unsigned long Core1ResetVector;        /* 0x0020 */
-        volatile unsigned long Core1ROMOffset;  /* 0x0024 */
-        volatile unsigned long Core1ArbiterPriority;    /* 0x0028 */
-        volatile unsigned long VideoInControl;  /* 0x002C */
-        volatile unsigned long VideoInReg0CtrlA;        /* 0x0030 */
-        volatile unsigned long VideoInReg0CtrlB;        /* 0x0034 */
-        volatile unsigned long VideoInReg1CtrlA;        /* 0x0038 */
-        volatile unsigned long VideoInReg1CtrlB;        /* 0x003C */
-        volatile unsigned long Thread0Kicker;   /* 0x0040 */
-        volatile unsigned long Core2InputSign;  /* 0x0044 */
-        volatile unsigned long Thread0ProgCtr;  /* 0x0048 */
-        volatile unsigned long Thread1ProgCtr;  /* 0x004C */
-        volatile unsigned long Thread1Kicker;   /* 0x0050 */
-        volatile unsigned long GPRegister1;     /* 0x0054 */
-        volatile unsigned long GPRegister2;     /* 0x0058 */
-        volatile unsigned long GPRegister3;     /* 0x005C */
-        volatile unsigned long GPRegister4;     /* 0x0060 */
-        volatile unsigned long SerialIntA;      /* 0x0064 */
-
-        volatile unsigned long Fill0[6];        /* GAP 0x0068 - 0x007C */
-
-        volatile unsigned long SoftwareReset;   /* 0x0080 */
-        volatile unsigned long SerialIntB;      /* 0x0084 */
-
-        volatile unsigned long Fill1[37];       /* GAP 0x0088 - 0x011C */
-
-        volatile unsigned long ROMELQV; /* 0x011C */
-        volatile unsigned long WLWH;    /* 0x0120 */
-        volatile unsigned long ROMELWL; /* 0x0124 */
-
-        volatile unsigned long dwFill_1;        /* GAP 0x0128 */
-
-        volatile unsigned long IntStatus;       /* 0x012C */
-        volatile unsigned long IntMask; /* 0x0130 */
-        volatile unsigned long IntClear;        /* 0x0134 */
-
-        volatile unsigned long Fill2[6];        /* GAP 0x0138 - 0x014C */
-
-        volatile unsigned long ROMGPIOA;        /* 0x0150 */
-        volatile unsigned long ROMGPIOB;        /* 0x0154 */
-        volatile unsigned long ROMGPIOC;        /* 0x0158 */
-        volatile unsigned long ROMGPIOD;        /* 0x015C */
-
-        volatile unsigned long Fill3[2];        /* GAP 0x0160 - 0x0168 */
-
-        volatile unsigned long AGPIntID;        /* 0x0168 */
-        volatile unsigned long AGPIntClassCode; /* 0x016C */
-        volatile unsigned long AGPIntBIST;      /* 0x0170 */
-        volatile unsigned long AGPIntSSID;      /* 0x0174 */
-        volatile unsigned long AGPIntPMCSR;     /* 0x0178 */
-        volatile unsigned long VGAFrameBufBase; /* 0x017C */
-        volatile unsigned long VGANotify;       /* 0x0180 */
-        volatile unsigned long DACPLLMode;      /* 0x0184 */
-        volatile unsigned long Core1VideoClockDiv;      /* 0x0188 */
-        volatile unsigned long AGPIntStat;      /* 0x018C */
+        volatile u32 Thread0Enable;     /* 0x0000 */
+        volatile u32 Thread1Enable;     /* 0x0004 */
+        volatile u32 Thread0Recover;    /* 0x0008 */
+        volatile u32 Thread1Recover;    /* 0x000C */
+        volatile u32 Thread0Step;       /* 0x0010 */
+        volatile u32 Thread1Step;       /* 0x0014 */
+        volatile u32 VideoInStatus;     /* 0x0018 */
+        volatile u32 Core2InSignStart;  /* 0x001C */
+        volatile u32 Core1ResetVector;  /* 0x0020 */
+        volatile u32 Core1ROMOffset;    /* 0x0024 */
+        volatile u32 Core1ArbiterPriority;      /* 0x0028 */
+        volatile u32 VideoInControl;    /* 0x002C */
+        volatile u32 VideoInReg0CtrlA;  /* 0x0030 */
+        volatile u32 VideoInReg0CtrlB;  /* 0x0034 */
+        volatile u32 VideoInReg1CtrlA;  /* 0x0038 */
+        volatile u32 VideoInReg1CtrlB;  /* 0x003C */
+        volatile u32 Thread0Kicker;     /* 0x0040 */
+        volatile u32 Core2InputSign;    /* 0x0044 */
+        volatile u32 Thread0ProgCtr;    /* 0x0048 */
+        volatile u32 Thread1ProgCtr;    /* 0x004C */
+        volatile u32 Thread1Kicker;     /* 0x0050 */
+        volatile u32 GPRegister1;       /* 0x0054 */
+        volatile u32 GPRegister2;       /* 0x0058 */
+        volatile u32 GPRegister3;       /* 0x005C */
+        volatile u32 GPRegister4;       /* 0x0060 */
+        volatile u32 SerialIntA;        /* 0x0064 */
+
+        volatile u32 Fill0[6];  /* GAP 0x0068 - 0x007C */
+
+        volatile u32 SoftwareReset;     /* 0x0080 */
+        volatile u32 SerialIntB;        /* 0x0084 */
+
+        volatile u32 Fill1[37]; /* GAP 0x0088 - 0x011C */
+
+        volatile u32 ROMELQV;   /* 0x011C */
+        volatile u32 WLWH;      /* 0x0120 */
+        volatile u32 ROMELWL;   /* 0x0124 */
+
+        volatile u32 dwFill_1;  /* GAP 0x0128 */
+
+        volatile u32 IntStatus; /* 0x012C */
+        volatile u32 IntMask;   /* 0x0130 */
+        volatile u32 IntClear;  /* 0x0134 */
+
+        volatile u32 Fill2[6];  /* GAP 0x0138 - 0x014C */
+
+        volatile u32 ROMGPIOA;  /* 0x0150 */
+        volatile u32 ROMGPIOB;  /* 0x0154 */
+        volatile u32 ROMGPIOC;  /* 0x0158 */
+        volatile u32 ROMGPIOD;  /* 0x015C */
+
+        volatile u32 Fill3[2];  /* GAP 0x0160 - 0x0168 */
+
+        volatile u32 AGPIntID;  /* 0x0168 */
+        volatile u32 AGPIntClassCode;   /* 0x016C */
+        volatile u32 AGPIntBIST;        /* 0x0170 */
+        volatile u32 AGPIntSSID;        /* 0x0174 */
+        volatile u32 AGPIntPMCSR;       /* 0x0178 */
+        volatile u32 VGAFrameBufBase;   /* 0x017C */
+        volatile u32 VGANotify; /* 0x0180 */
+        volatile u32 DACPLLMode;        /* 0x0184 */
+        volatile u32 Core1VideoClockDiv;        /* 0x0188 */
+        volatile u32 AGPIntStat;        /* 0x018C */
 
         /*
-           volatile unsigned long Fill4[0x0400/4 - 0x0190/4]; //GAP 0x0190 - 0x0400
-           volatile unsigned long Fill5[0x05FC/4 - 0x0400/4]; //GAP 0x0400 - 0x05FC Fog Table
-           volatile unsigned long Fill6[0x0604/4 - 0x0600/4]; //GAP 0x0600 - 0x0604
-           volatile unsigned long Fill7[0x0680/4 - 0x0608/4]; //GAP 0x0608 - 0x0680
-           volatile unsigned long Fill8[0x07FC/4 - 0x0684/4]; //GAP 0x0684 - 0x07FC
+           volatile u32 Fill4[0x0400/4 - 0x0190/4]; //GAP 0x0190 - 0x0400
+           volatile u32 Fill5[0x05FC/4 - 0x0400/4]; //GAP 0x0400 - 0x05FC Fog Table
+           volatile u32 Fill6[0x0604/4 - 0x0600/4]; //GAP 0x0600 - 0x0604
+           volatile u32 Fill7[0x0680/4 - 0x0608/4]; //GAP 0x0608 - 0x0680
+           volatile u32 Fill8[0x07FC/4 - 0x0684/4]; //GAP 0x0684 - 0x07FC
          */
-        volatile unsigned long Fill4[412];      /* 0x0190 - 0x07FC */
-
-        volatile unsigned long TACtrlStreamBase;        /* 0x0800 */
-        volatile unsigned long TAObjDataBase;   /* 0x0804 */
-        volatile unsigned long TAPtrDataBase;   /* 0x0808 */
-        volatile unsigned long TARegionDataBase;        /* 0x080C */
-        volatile unsigned long TATailPtrBase;   /* 0x0810 */
-        volatile unsigned long TAPtrRegionSize; /* 0x0814 */
-        volatile unsigned long TAConfiguration; /* 0x0818 */
-        volatile unsigned long TAObjDataStartAddr;      /* 0x081C */
-        volatile unsigned long TAObjDataEndAddr;        /* 0x0820 */
-        volatile unsigned long TAXScreenClip;   /* 0x0824 */
-        volatile unsigned long TAYScreenClip;   /* 0x0828 */
-        volatile unsigned long TARHWClamp;      /* 0x082C */
-        volatile unsigned long TARHWCompare;    /* 0x0830 */
-        volatile unsigned long TAStart; /* 0x0834 */
-        volatile unsigned long TAObjReStart;    /* 0x0838 */
-        volatile unsigned long TAPtrReStart;    /* 0x083C */
-        volatile unsigned long TAStatus1;       /* 0x0840 */
-        volatile unsigned long TAStatus2;       /* 0x0844 */
-        volatile unsigned long TAIntStatus;     /* 0x0848 */
-        volatile unsigned long TAIntMask;       /* 0x084C */
-
-        volatile unsigned long Fill5[235];      /* GAP 0x0850 - 0x0BF8 */
-
-        volatile unsigned long TextureAddrThresh;       /* 0x0BFC */
-        volatile unsigned long Core1Translation;        /* 0x0C00 */
-        volatile unsigned long TextureAddrReMap;        /* 0x0C04 */
-        volatile unsigned long RenderOutAGPRemap;       /* 0x0C08 */
-        volatile unsigned long _3DRegionReadTrans;      /* 0x0C0C */
-        volatile unsigned long _3DPtrReadTrans; /* 0x0C10 */
-        volatile unsigned long _3DParamReadTrans;       /* 0x0C14 */
-        volatile unsigned long _3DRegionReadThresh;     /* 0x0C18 */
-        volatile unsigned long _3DPtrReadThresh;        /* 0x0C1C */
-        volatile unsigned long _3DParamReadThresh;      /* 0x0C20 */
-        volatile unsigned long _3DRegionReadAGPRemap;   /* 0x0C24 */
-        volatile unsigned long _3DPtrReadAGPRemap;      /* 0x0C28 */
-        volatile unsigned long _3DParamReadAGPRemap;    /* 0x0C2C */
-        volatile unsigned long ZBufferAGPRemap; /* 0x0C30 */
-        volatile unsigned long TAIndexAGPRemap; /* 0x0C34 */
-        volatile unsigned long TAVertexAGPRemap;        /* 0x0C38 */
-        volatile unsigned long TAUVAddrTrans;   /* 0x0C3C */
-        volatile unsigned long TATailPtrCacheTrans;     /* 0x0C40 */
-        volatile unsigned long TAParamWriteTrans;       /* 0x0C44 */
-        volatile unsigned long TAPtrWriteTrans; /* 0x0C48 */
-        volatile unsigned long TAParamWriteThresh;      /* 0x0C4C */
-        volatile unsigned long TAPtrWriteThresh;        /* 0x0C50 */
-        volatile unsigned long TATailPtrCacheAGPRe;     /* 0x0C54 */
-        volatile unsigned long TAParamWriteAGPRe;       /* 0x0C58 */
-        volatile unsigned long TAPtrWriteAGPRe; /* 0x0C5C */
-        volatile unsigned long SDRAMArbiterConf;        /* 0x0C60 */
-        volatile unsigned long SDRAMConf0;      /* 0x0C64 */
-        volatile unsigned long SDRAMConf1;      /* 0x0C68 */
-        volatile unsigned long SDRAMConf2;      /* 0x0C6C */
-        volatile unsigned long SDRAMRefresh;    /* 0x0C70 */
-        volatile unsigned long SDRAMPowerStat;  /* 0x0C74 */
-
-        volatile unsigned long Fill6[2];        /* GAP 0x0C78 - 0x0C7C */
-
-        volatile unsigned long RAMBistData;     /* 0x0C80 */
-        volatile unsigned long RAMBistCtrl;     /* 0x0C84 */
-        volatile unsigned long FIFOBistKey;     /* 0x0C88 */
-        volatile unsigned long RAMBistResult;   /* 0x0C8C */
-        volatile unsigned long FIFOBistResult;  /* 0x0C90 */
+        volatile u32 Fill4[412];        /* 0x0190 - 0x07FC */
+
+        volatile u32 TACtrlStreamBase;  /* 0x0800 */
+        volatile u32 TAObjDataBase;     /* 0x0804 */
+        volatile u32 TAPtrDataBase;     /* 0x0808 */
+        volatile u32 TARegionDataBase;  /* 0x080C */
+        volatile u32 TATailPtrBase;     /* 0x0810 */
+        volatile u32 TAPtrRegionSize;   /* 0x0814 */
+        volatile u32 TAConfiguration;   /* 0x0818 */
+        volatile u32 TAObjDataStartAddr;        /* 0x081C */
+        volatile u32 TAObjDataEndAddr;  /* 0x0820 */
+        volatile u32 TAXScreenClip;     /* 0x0824 */
+        volatile u32 TAYScreenClip;     /* 0x0828 */
+        volatile u32 TARHWClamp;        /* 0x082C */
+        volatile u32 TARHWCompare;      /* 0x0830 */
+        volatile u32 TAStart;   /* 0x0834 */
+        volatile u32 TAObjReStart;      /* 0x0838 */
+        volatile u32 TAPtrReStart;      /* 0x083C */
+        volatile u32 TAStatus1; /* 0x0840 */
+        volatile u32 TAStatus2; /* 0x0844 */
+        volatile u32 TAIntStatus;       /* 0x0848 */
+        volatile u32 TAIntMask; /* 0x084C */
+
+        volatile u32 Fill5[235];        /* GAP 0x0850 - 0x0BF8 */
+
+        volatile u32 TextureAddrThresh; /* 0x0BFC */
+        volatile u32 Core1Translation;  /* 0x0C00 */
+        volatile u32 TextureAddrReMap;  /* 0x0C04 */
+        volatile u32 RenderOutAGPRemap; /* 0x0C08 */
+        volatile u32 _3DRegionReadTrans;        /* 0x0C0C */
+        volatile u32 _3DPtrReadTrans;   /* 0x0C10 */
+        volatile u32 _3DParamReadTrans; /* 0x0C14 */
+        volatile u32 _3DRegionReadThresh;       /* 0x0C18 */
+        volatile u32 _3DPtrReadThresh;  /* 0x0C1C */
+        volatile u32 _3DParamReadThresh;        /* 0x0C20 */
+        volatile u32 _3DRegionReadAGPRemap;     /* 0x0C24 */
+        volatile u32 _3DPtrReadAGPRemap;        /* 0x0C28 */
+        volatile u32 _3DParamReadAGPRemap;      /* 0x0C2C */
+        volatile u32 ZBufferAGPRemap;   /* 0x0C30 */
+        volatile u32 TAIndexAGPRemap;   /* 0x0C34 */
+        volatile u32 TAVertexAGPRemap;  /* 0x0C38 */
+        volatile u32 TAUVAddrTrans;     /* 0x0C3C */
+        volatile u32 TATailPtrCacheTrans;       /* 0x0C40 */
+        volatile u32 TAParamWriteTrans; /* 0x0C44 */
+        volatile u32 TAPtrWriteTrans;   /* 0x0C48 */
+        volatile u32 TAParamWriteThresh;        /* 0x0C4C */
+        volatile u32 TAPtrWriteThresh;  /* 0x0C50 */
+        volatile u32 TATailPtrCacheAGPRe;       /* 0x0C54 */
+        volatile u32 TAParamWriteAGPRe; /* 0x0C58 */
+        volatile u32 TAPtrWriteAGPRe;   /* 0x0C5C */
+        volatile u32 SDRAMArbiterConf;  /* 0x0C60 */
+        volatile u32 SDRAMConf0;        /* 0x0C64 */
+        volatile u32 SDRAMConf1;        /* 0x0C68 */
+        volatile u32 SDRAMConf2;        /* 0x0C6C */
+        volatile u32 SDRAMRefresh;      /* 0x0C70 */
+        volatile u32 SDRAMPowerStat;    /* 0x0C74 */
+
+        volatile u32 Fill6[2];  /* GAP 0x0C78 - 0x0C7C */
+
+        volatile u32 RAMBistData;       /* 0x0C80 */
+        volatile u32 RAMBistCtrl;       /* 0x0C84 */
+        volatile u32 FIFOBistKey;       /* 0x0C88 */
+        volatile u32 RAMBistResult;     /* 0x0C8C */
+        volatile u32 FIFOBistResult;    /* 0x0C90 */
 
         /*
-           volatile unsigned long Fill11[0x0CBC/4 - 0x0C94/4]; //GAP 0x0C94 - 0x0CBC
-           volatile unsigned long Fill12[0x0CD0/4 - 0x0CC0/4]; //GAP 0x0CC0 - 0x0CD0 3DRegisters
+           volatile u32 Fill11[0x0CBC/4 - 0x0C94/4]; //GAP 0x0C94 - 0x0CBC
+           volatile u32 Fill12[0x0CD0/4 - 0x0CC0/4]; //GAP 0x0CC0 - 0x0CD0 3DRegisters
          */
 
-        volatile unsigned long Fill7[16];       /* 0x0c94 - 0x0cd0 */
+        volatile u32 Fill7[16]; /* 0x0c94 - 0x0cd0 */
 
-        volatile unsigned long SDRAMAddrSign;   /* 0x0CD4 */
-        volatile unsigned long SDRAMDataSign;   /* 0x0CD8 */
-        volatile unsigned long SDRAMSignConf;   /* 0x0CDC */
+        volatile u32 SDRAMAddrSign;     /* 0x0CD4 */
+        volatile u32 SDRAMDataSign;     /* 0x0CD8 */
+        volatile u32 SDRAMSignConf;     /* 0x0CDC */
 
         /* DWFILL; //GAP 0x0CE0 */
-        volatile unsigned long dwFill_2;
-
-        volatile unsigned long ISPSignature;    /* 0x0CE4 */
-
-        volatile unsigned long Fill8[454];      /*GAP 0x0CE8 - 0x13FC */
-
-        volatile unsigned long DACPrimAddress;  /* 0x1400 */
-        volatile unsigned long DACPrimSize;     /* 0x1404 */
-        volatile unsigned long DACCursorAddr;   /* 0x1408 */
-        volatile unsigned long DACCursorCtrl;   /* 0x140C */
-        volatile unsigned long DACOverlayAddr;  /* 0x1410 */
-        volatile unsigned long DACOverlayUAddr; /* 0x1414 */
-        volatile unsigned long DACOverlayVAddr; /* 0x1418 */
-        volatile unsigned long DACOverlaySize;  /* 0x141C */
-        volatile unsigned long DACOverlayVtDec; /* 0x1420 */
-
-        volatile unsigned long Fill9[9];        /* GAP 0x1424 - 0x1444 */
-
-        volatile unsigned long DACVerticalScal; /* 0x1448 */
-        volatile unsigned long DACPixelFormat;  /* 0x144C */
-        volatile unsigned long DACHorizontalScal;       /* 0x1450 */
-        volatile unsigned long DACVidWinStart;  /* 0x1454 */
-        volatile unsigned long DACVidWinEnd;    /* 0x1458 */
-        volatile unsigned long DACBlendCtrl;    /* 0x145C */
-        volatile unsigned long DACHorTim1;      /* 0x1460 */
-        volatile unsigned long DACHorTim2;      /* 0x1464 */
-        volatile unsigned long DACHorTim3;      /* 0x1468 */
-        volatile unsigned long DACVerTim1;      /* 0x146C */
-        volatile unsigned long DACVerTim2;      /* 0x1470 */
-        volatile unsigned long DACVerTim3;      /* 0x1474 */
-        volatile unsigned long DACBorderColor;  /* 0x1478 */
-        volatile unsigned long DACSyncCtrl;     /* 0x147C */
-        volatile unsigned long DACStreamCtrl;   /* 0x1480 */
-        volatile unsigned long DACLUTAddress;   /* 0x1484 */
-        volatile unsigned long DACLUTData;      /* 0x1488 */
-        volatile unsigned long DACBurstCtrl;    /* 0x148C */
-        volatile unsigned long DACCrcTrigger;   /* 0x1490 */
-        volatile unsigned long DACCrcDone;      /* 0x1494 */
-        volatile unsigned long DACCrcResult1;   /* 0x1498 */
-        volatile unsigned long DACCrcResult2;   /* 0x149C */
-        volatile unsigned long DACLinecount;    /* 0x14A0 */
-
-        volatile unsigned long Fill10[151];     /*GAP 0x14A4 - 0x16FC */
-
-        volatile unsigned long DigVidPortCtrl;  /* 0x1700 */
-        volatile unsigned long DigVidPortStat;  /* 0x1704 */
+        volatile u32 dwFill_2;
+
+        volatile u32 ISPSignature;      /* 0x0CE4 */
+
+        volatile u32 Fill8[454];        /*GAP 0x0CE8 - 0x13FC */
+
+        volatile u32 DACPrimAddress;    /* 0x1400 */
+        volatile u32 DACPrimSize;       /* 0x1404 */
+        volatile u32 DACCursorAddr;     /* 0x1408 */
+        volatile u32 DACCursorCtrl;     /* 0x140C */
+        volatile u32 DACOverlayAddr;    /* 0x1410 */
+        volatile u32 DACOverlayUAddr;   /* 0x1414 */
+        volatile u32 DACOverlayVAddr;   /* 0x1418 */
+        volatile u32 DACOverlaySize;    /* 0x141C */
+        volatile u32 DACOverlayVtDec;   /* 0x1420 */
+
+        volatile u32 Fill9[9];  /* GAP 0x1424 - 0x1444 */
+
+        volatile u32 DACVerticalScal;   /* 0x1448 */
+        volatile u32 DACPixelFormat;    /* 0x144C */
+        volatile u32 DACHorizontalScal; /* 0x1450 */
+        volatile u32 DACVidWinStart;    /* 0x1454 */
+        volatile u32 DACVidWinEnd;      /* 0x1458 */
+        volatile u32 DACBlendCtrl;      /* 0x145C */
+        volatile u32 DACHorTim1;        /* 0x1460 */
+        volatile u32 DACHorTim2;        /* 0x1464 */
+        volatile u32 DACHorTim3;        /* 0x1468 */
+        volatile u32 DACVerTim1;        /* 0x146C */
+        volatile u32 DACVerTim2;        /* 0x1470 */
+        volatile u32 DACVerTim3;        /* 0x1474 */
+        volatile u32 DACBorderColor;    /* 0x1478 */
+        volatile u32 DACSyncCtrl;       /* 0x147C */
+        volatile u32 DACStreamCtrl;     /* 0x1480 */
+        volatile u32 DACLUTAddress;     /* 0x1484 */
+        volatile u32 DACLUTData;        /* 0x1488 */
+        volatile u32 DACBurstCtrl;      /* 0x148C */
+        volatile u32 DACCrcTrigger;     /* 0x1490 */
+        volatile u32 DACCrcDone;        /* 0x1494 */
+        volatile u32 DACCrcResult1;     /* 0x1498 */
+        volatile u32 DACCrcResult2;     /* 0x149C */
+        volatile u32 DACLinecount;      /* 0x14A0 */
+
+        volatile u32 Fill10[151];       /*GAP 0x14A4 - 0x16FC */
+
+        volatile u32 DigVidPortCtrl;    /* 0x1700 */
+        volatile u32 DigVidPortStat;    /* 0x1704 */
 
         /*
-           volatile unsigned long Fill11[0x1FFC/4 - 0x1708/4]; //GAP 0x1708 - 0x1FFC
-           volatile unsigned long Fill17[0x3000/4 - 0x2FFC/4]; //GAP 0x2000 - 0x2FFC ALUT
+           volatile u32 Fill11[0x1FFC/4 - 0x1708/4]; //GAP 0x1708 - 0x1FFC
+           volatile u32 Fill17[0x3000/4 - 0x2FFC/4]; //GAP 0x2000 - 0x2FFC ALUT
          */
 
-        volatile unsigned long Fill11[1598];
+        volatile u32 Fill11[1598];
 
         /* DWFILL; //GAP 0x3000          ALUT 256MB offset */
-        volatile unsigned long Fill_3;
+        volatile u32 Fill_3;
 
 } STG4000REG;
 
diff --git a/drivers/video/msm/mddi.c b/drivers/video/msm/mddi.c
index 4527cbf0a4e..b061d709bc4 100644
--- a/drivers/video/msm/mddi.c
+++ b/drivers/video/msm/mddi.c
@@ -420,7 +420,7 @@ static void mddi_resume(struct msm_mddi_client_data *cdata)
         mddi_set_auto_hibernate(&mddi->client_data, 1);
 }
 
-static int __init mddi_get_client_caps(struct mddi_info *mddi)
+static int __devinit mddi_get_client_caps(struct mddi_info *mddi)
 {
         int i, j;
 
@@ -622,9 +622,9 @@ uint32_t mddi_remote_read(struct msm_mddi_client_data *cdata, uint32_t reg)
 
 static struct mddi_info mddi_info[2];
 
-static int __init mddi_clk_setup(struct platform_device *pdev,
-                                 struct mddi_info *mddi,
-                                 unsigned long clk_rate)
+static int __devinit mddi_clk_setup(struct platform_device *pdev,
+                                    struct mddi_info *mddi,
+                                    unsigned long clk_rate)
 {
         int ret;
 
diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c
index 260cca7ddb4..26e83d7fdd6 100644
--- a/drivers/video/uvesafb.c
+++ b/drivers/video/uvesafb.c
@@ -815,8 +815,15 @@ static int __devinit uvesafb_vbe_init(struct fb_info *info)
         par->pmi_setpal = pmi_setpal;
         par->ypan = ypan;
 
-        if (par->pmi_setpal || par->ypan)
-                uvesafb_vbe_getpmi(task, par);
+        if (par->pmi_setpal || par->ypan) {
+                if (__supported_pte_mask & _PAGE_NX) {
+                        par->pmi_setpal = par->ypan = 0;
+                        printk(KERN_WARNING "uvesafb: NX protection is actively."
+                                "We have better not to use the PMI.\n");
+                } else {
+                        uvesafb_vbe_getpmi(task, par);
+                }
+        }
 #else
         /* The protected mode interface is not available on non-x86. */
         par->pmi_setpal = par->ypan = 0;
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 05f0a80818a..c2d05a8279f 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -28,6 +28,13 @@
 #include <linux/slab.h>
 #include <linux/module.h>
 
+/*
+ * Balloon device works in 4K page units.  So each page is pointed to by
+ * multiple balloon pages.  All memory counters in this driver are in balloon
+ * page units.
+ */
+#define VIRTIO_BALLOON_PAGES_PER_PAGE (PAGE_SIZE >> VIRTIO_BALLOON_PFN_SHIFT)
+
 struct virtio_balloon
 {
         struct virtio_device *vdev;
@@ -42,8 +49,13 @@ struct virtio_balloon
         /* Waiting for host to ack the pages we released. */
         struct completion acked;
 
-        /* The pages we've told the Host we're not using. */
+        /* Number of balloon pages we've told the Host we're not using. */
         unsigned int num_pages;
+        /*
+         * The pages we've told the Host we're not using.
+         * Each page on this list adds VIRTIO_BALLOON_PAGES_PER_PAGE
+         * to num_pages above.
+         */
         struct list_head pages;
 
         /* The array of pfns we tell the Host about. */
@@ -66,7 +78,13 @@ static u32 page_to_balloon_pfn(struct page *page)
 
         BUILD_BUG_ON(PAGE_SHIFT < VIRTIO_BALLOON_PFN_SHIFT);
         /* Convert pfn from Linux page size to balloon page size. */
-        return pfn >> (PAGE_SHIFT - VIRTIO_BALLOON_PFN_SHIFT);
+        return pfn * VIRTIO_BALLOON_PAGES_PER_PAGE;
+}
+
+static struct page *balloon_pfn_to_page(u32 pfn)
+{
+        BUG_ON(pfn % VIRTIO_BALLOON_PAGES_PER_PAGE);
+        return pfn_to_page(pfn / VIRTIO_BALLOON_PAGES_PER_PAGE);
 }
 
 static void balloon_ack(struct virtqueue *vq)
@@ -96,12 +114,23 @@ static void tell_host(struct virtio_balloon *vb, struct virtqueue *vq)
         wait_for_completion(&vb->acked);
 }
 
+static void set_page_pfns(u32 pfns[], struct page *page)
+{
+        unsigned int i;
+
+        /* Set balloon pfns pointing at this page.
+         * Note that the first pfn points at start of the page. */
+        for (i = 0; i < VIRTIO_BALLOON_PAGES_PER_PAGE; i++)
+                pfns[i] = page_to_balloon_pfn(page) + i;
+}
+
 static void fill_balloon(struct virtio_balloon *vb, size_t num)
 {
         /* We can only do one array worth at a time. */
         num = min(num, ARRAY_SIZE(vb->pfns));
 
-        for (vb->num_pfns = 0; vb->num_pfns < num; vb->num_pfns++) {
+        for (vb->num_pfns = 0; vb->num_pfns < num;
+             vb->num_pfns += VIRTIO_BALLOON_PAGES_PER_PAGE) {
                 struct page *page = alloc_page(GFP_HIGHUSER | __GFP_NORETRY |
                                         __GFP_NOMEMALLOC | __GFP_NOWARN);
                 if (!page) {
@@ -113,9 +142,9 @@ static void fill_balloon(struct virtio_balloon *vb, size_t num)
                         msleep(200);
                         break;
                 }
-                vb->pfns[vb->num_pfns] = page_to_balloon_pfn(page);
+                set_page_pfns(vb->pfns + vb->num_pfns, page);
+                vb->num_pages += VIRTIO_BALLOON_PAGES_PER_PAGE;
                 totalram_pages--;
-                vb->num_pages++;
                 list_add(&page->lru, &vb->pages);
         }
 
@@ -130,8 +159,9 @@ static void release_pages_by_pfn(const u32 pfns[], unsigned int num)
 {
         unsigned int i;
 
-        for (i = 0; i < num; i++) {
-                __free_page(pfn_to_page(pfns[i]));
+        /* Find pfns pointing at start of each page, get pages and free them. */
+        for (i = 0; i < num; i += VIRTIO_BALLOON_PAGES_PER_PAGE) {
+                __free_page(balloon_pfn_to_page(pfns[i]));
                 totalram_pages++;
         }
 }
@@ -143,11 +173,12 @@ static void leak_balloon(struct virtio_balloon *vb, size_t num)
         /* We can only do one array worth at a time. */
         num = min(num, ARRAY_SIZE(vb->pfns));
 
-        for (vb->num_pfns = 0; vb->num_pfns < num; vb->num_pfns++) {
+        for (vb->num_pfns = 0; vb->num_pfns < num;
+             vb->num_pfns += VIRTIO_BALLOON_PAGES_PER_PAGE) {
                 page = list_first_entry(&vb->pages, struct page, lru);
                 list_del(&page->lru);
-                vb->pfns[vb->num_pfns] = page_to_balloon_pfn(page);
-                vb->num_pages--;
+                set_page_pfns(vb->pfns + vb->num_pfns, page);
+                vb->num_pages -= VIRTIO_BALLOON_PAGES_PER_PAGE;
         }
 
         /*
@@ -234,11 +265,14 @@ static void virtballoon_changed(struct virtio_device *vdev)
 
 static inline s64 towards_target(struct virtio_balloon *vb)
 {
-        u32 v;
+        __le32 v;
+        s64 target;
+
         vb->vdev->config->get(vb->vdev,
                               offsetof(struct virtio_balloon_config, num_pages),
                               &v, sizeof(v));
-        return (s64)v - vb->num_pages;
+        target = le32_to_cpu(v);
+        return target - vb->num_pages;
 }
 
 static void update_balloon_size(struct virtio_balloon *vb)
diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index cbc7ceef278..9f13b897fd6 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -435,16 +435,16 @@ static void hpwdt_start(void)
 {
         reload = SECS_TO_TICKS(soft_margin);
         iowrite16(reload, hpwdt_timer_reg);
-        iowrite16(0x85, hpwdt_timer_con);
+        iowrite8(0x85, hpwdt_timer_con);
 }
 
 static void hpwdt_stop(void)
 {
         unsigned long data;
 
-        data = ioread16(hpwdt_timer_con);
+        data = ioread8(hpwdt_timer_con);
         data &= 0xFE;
-        iowrite16(data, hpwdt_timer_con);
+        iowrite8(data, hpwdt_timer_con);
 }
 
 static void hpwdt_ping(void)
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 4b33acd8ed4..0a8a17cd80b 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -274,7 +274,7 @@ static unsigned int cpu_from_evtchn(unsigned int evtchn)
 
 static bool pirq_check_eoi_map(unsigned irq)
 {
-        return test_bit(irq, pirq_eoi_map);
+        return test_bit(pirq_from_irq(irq), pirq_eoi_map);
 }
 
 static bool pirq_needs_eoi_flag(unsigned irq)
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index 99d8151c824..1ffd03bf8e1 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -722,7 +722,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma)
         vma->vm_flags |= VM_RESERVED|VM_DONTEXPAND;
 
         if (use_ptemod)
-                vma->vm_flags |= VM_DONTCOPY|VM_PFNMAP;
+                vma->vm_flags |= VM_DONTCOPY;
 
         vma->vm_private_data = map;
 
diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
index b4d4eac761d..f100ce20b16 100644
--- a/drivers/xen/grant-table.c
+++ b/drivers/xen/grant-table.c
@@ -1029,6 +1029,7 @@ int gnttab_init(void)
         int i;
         unsigned int max_nr_glist_frames, nr_glist_frames;
         unsigned int nr_init_grefs;
+        int ret;
 
         nr_grant_frames = 1;
         boot_max_nr_grant_frames = __max_nr_grant_frames();
@@ -1047,12 +1048,16 @@ int gnttab_init(void)
         nr_glist_frames = (nr_grant_frames * GREFS_PER_GRANT_FRAME + RPP - 1) / RPP;
         for (i = 0; i < nr_glist_frames; i++) {
                 gnttab_list[i] = (grant_ref_t *)__get_free_page(GFP_KERNEL);
-                if (gnttab_list[i] == NULL)
+                if (gnttab_list[i] == NULL) {
+                        ret = -ENOMEM;
                         goto ini_nomem;
+                }
         }
 
-        if (gnttab_resume() < 0)
-                return -ENODEV;
+        if (gnttab_resume() < 0) {
+                ret = -ENODEV;
+                goto ini_nomem;
+        }
 
         nr_init_grefs = nr_grant_frames * GREFS_PER_GRANT_FRAME;
 
@@ -1070,7 +1075,7 @@ int gnttab_init(void)
         for (i--; i >= 0; i--)
                 free_page((unsigned long)gnttab_list[i]);
         kfree(gnttab_list);
-        return -ENOMEM;
+        return ret;
 }
 EXPORT_SYMBOL_GPL(gnttab_init);
 
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
index 9e14ae6cd49..412b96cc530 100644
--- a/drivers/xen/manage.c
+++ b/drivers/xen/manage.c
@@ -132,6 +132,7 @@ static void do_suspend(void)
         err = dpm_suspend_end(PMSG_FREEZE);
         if (err) {
                 printk(KERN_ERR "dpm_suspend_end failed: %d\n", err);
+                si.cancelled = 0;
                 goto out_resume;
         }
 
diff --git a/drivers/xen/xen-acpi-processor.c b/drivers/xen/xen-acpi-processor.c
index 174b5653cd8..0b48579a9cd 100644
--- a/drivers/xen/xen-acpi-processor.c
+++ b/drivers/xen/xen-acpi-processor.c
@@ -128,7 +128,10 @@ static int push_cxx_to_hypervisor(struct acpi_processor *_pr)
                         pr_debug("     C%d: %s %d uS\n",
                                  cx->type, cx->desc, (u32)cx->latency);
                 }
-        } else
+        } else if (ret != -EINVAL)
+                /* EINVAL means the ACPI ID is incorrect - meaning the ACPI
+                 * table is referencing a non-existing CPU - which can happen
+                 * with broken ACPI tables. */
                 pr_err(DRV_NAME "(CX): Hypervisor error (%d) for ACPI CPU%u\n",
                        ret, _pr->acpi_id);
 
diff --git a/drivers/xen/xenbus/xenbus_probe_frontend.c b/drivers/xen/xenbus/xenbus_probe_frontend.c
index f20c5f178b4..a31b54d4883 100644
--- a/drivers/xen/xenbus/xenbus_probe_frontend.c
+++ b/drivers/xen/xenbus/xenbus_probe_frontend.c
@@ -135,7 +135,7 @@ static int read_backend_details(struct xenbus_device *xendev)
         return xenbus_read_otherend_details(xendev, "backend-id", "backend");
 }
 
-static int is_device_connecting(struct device *dev, void *data)
+static int is_device_connecting(struct device *dev, void *data, bool ignore_nonessential)
 {
         struct xenbus_device *xendev = to_xenbus_device(dev);
         struct device_driver *drv = data;
@@ -152,16 +152,41 @@ static int is_device_connecting(struct device *dev, void *data)
         if (drv && (dev->driver != drv))
                 return 0;
 
+        if (ignore_nonessential) {
+                /* With older QEMU, for PVonHVM guests the guest config files
+                 * could contain: vfb = [ 'vnc=1, vnclisten=0.0.0.0']
+                 * which is nonsensical as there is no PV FB (there can be
+                 * a PVKB) running as HVM guest. */
+
+                if ((strncmp(xendev->nodename, "device/vkbd", 11) == 0))
+                        return 0;
+
+                if ((strncmp(xendev->nodename, "device/vfb", 10) == 0))
+                        return 0;
+        }
         xendrv = to_xenbus_driver(dev->driver);
         return (xendev->state < XenbusStateConnected ||
                 (xendev->state == XenbusStateConnected &&
                  xendrv->is_ready && !xendrv->is_ready(xendev)));
 }
+static int essential_device_connecting(struct device *dev, void *data)
+{
+        return is_device_connecting(dev, data, true /* ignore PV[KBB+FB] */);
+}
+static int non_essential_device_connecting(struct device *dev, void *data)
+{
+        return is_device_connecting(dev, data, false);
+}
 
-static int exists_connecting_device(struct device_driver *drv)
+static int exists_essential_connecting_device(struct device_driver *drv)
 {
         return bus_for_each_dev(&xenbus_frontend.bus, NULL, drv,
-                                is_device_connecting);
+                                essential_device_connecting);
+}
+static int exists_non_essential_connecting_device(struct device_driver *drv)
+{
+        return bus_for_each_dev(&xenbus_frontend.bus, NULL, drv,
+                                non_essential_device_connecting);
 }
 
 static int print_device_status(struct device *dev, void *data)
@@ -192,6 +217,23 @@ static int print_device_status(struct device *dev, void *data)
 /* We only wait for device setup after most initcalls have run. */
 static int ready_to_wait_for_devices;
 
+static bool wait_loop(unsigned long start, unsigned int max_delay,
+                     unsigned int *seconds_waited)
+{
+        if (time_after(jiffies, start + (*seconds_waited+5)*HZ)) {
+                if (!*seconds_waited)
+                        printk(KERN_WARNING "XENBUS: Waiting for "
+                               "devices to initialise: ");
+                *seconds_waited += 5;
+                printk("%us...", max_delay - *seconds_waited);
+                if (*seconds_waited == max_delay)
+                        return true;
+        }
+
+        schedule_timeout_interruptible(HZ/10);
+
+        return false;
+}
 /*
  * On a 5-minute timeout, wait for all devices currently configured.  We need
  * to do this to guarantee that the filesystems and / or network devices
@@ -215,19 +257,14 @@ static void wait_for_devices(struct xenbus_driver *xendrv)
         if (!ready_to_wait_for_devices || !xen_domain())
                 return;
 
-        while (exists_connecting_device(drv)) {
-                if (time_after(jiffies, start + (seconds_waited+5)*HZ)) {
-                        if (!seconds_waited)
-                                printk(KERN_WARNING "XENBUS: Waiting for "
-                                       "devices to initialise: ");
-                        seconds_waited += 5;
-                        printk("%us...", 300 - seconds_waited);
-                        if (seconds_waited == 300)
-                                break;
-                }
-
-                schedule_timeout_interruptible(HZ/10);
-        }
+        while (exists_non_essential_connecting_device(drv))
+                if (wait_loop(start, 30, &seconds_waited))
+                        break;
+
+        /* Skips PVKB and PVFB check.*/
+        while (exists_essential_connecting_device(drv))
+                if (wait_loop(start, 270, &seconds_waited))
+                        break;
 
         if (seconds_waited)
                 printk("\n");