444 files changed, 5033 insertions, 2615 deletions

diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index ecb743bf05a5..536562c626a2 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -24,7 +24,7 @@ acpi-y				+= nvs.o
 # Power management related files
 acpi-y                          += wakeup.o
 acpi-y                          += sleep.o
-acpi-$(CONFIG_PM)               += device_pm.o
+acpi-y                          += device_pm.o
 acpi-$(CONFIG_ACPI_SLEEP)       += proc.o
 
 
@@ -38,7 +38,6 @@ acpi-y				+= processor_core.o
 acpi-y                          += ec.o
 acpi-$(CONFIG_ACPI_DOCK)        += dock.o
 acpi-y                          += pci_root.o pci_link.o pci_irq.o
-acpi-y                          += csrt.o
 acpi-$(CONFIG_X86_INTEL_LPSS)   += acpi_lpss.o
 acpi-y                          += acpi_platform.o
 acpi-y                          += power.o
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index b1c95422ce74..cab13f2fc28e 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -35,11 +35,16 @@ ACPI_MODULE_NAME("acpi_lpss");
 
 struct lpss_device_desc {
         bool clk_required;
-        const char *clk_parent;
+        const char *clkdev_name;
         bool ltr_required;
         unsigned int prv_offset;
 };
 
+static struct lpss_device_desc lpss_dma_desc = {
+        .clk_required = true,
+        .clkdev_name = "hclk",
+};
+
 struct lpss_private_data {
         void __iomem *mmio_base;
         resource_size_t mmio_size;
@@ -49,7 +54,6 @@ struct lpss_private_data {
 
 static struct lpss_device_desc lpt_dev_desc = {
         .clk_required = true,
-        .clk_parent = "lpss_clk",
         .prv_offset = 0x800,
         .ltr_required = true,
 };
@@ -60,6 +64,9 @@ static struct lpss_device_desc lpt_sdio_dev_desc = {
 };
 
 static const struct acpi_device_id acpi_lpss_device_ids[] = {
+        /* Generic LPSS devices */
+        { "INTL9C60", (unsigned long)&lpss_dma_desc },
+
         /* Lynxpoint LPSS devices */
         { "INT33C0", (unsigned long)&lpt_dev_desc },
         { "INT33C1", (unsigned long)&lpt_dev_desc },
@@ -91,16 +98,27 @@ static int register_device_clock(struct acpi_device *adev,
                                  struct lpss_private_data *pdata)
 {
         const struct lpss_device_desc *dev_desc = pdata->dev_desc;
+        struct lpss_clk_data *clk_data;
 
         if (!lpss_clk_dev)
                 lpt_register_clock_device();
 
-        if (!dev_desc->clk_parent || !pdata->mmio_base
+        clk_data = platform_get_drvdata(lpss_clk_dev);
+        if (!clk_data)
+                return -ENODEV;
+
+        if (dev_desc->clkdev_name) {
+                clk_register_clkdev(clk_data->clk, dev_desc->clkdev_name,
+                                    dev_name(&adev->dev));
+                return 0;
+        }
+
+        if (!pdata->mmio_base
             || pdata->mmio_size < dev_desc->prv_offset + LPSS_CLK_SIZE)
                 return -ENODATA;
 
         pdata->clk = clk_register_gate(NULL, dev_name(&adev->dev),
-                                       dev_desc->clk_parent, 0,
+                                       clk_data->name, 0,
                                        pdata->mmio_base + dev_desc->prv_offset,
                                        0, 0, NULL);
         if (IS_ERR(pdata->clk))
@@ -146,15 +164,24 @@ static int acpi_lpss_create_device(struct acpi_device *adev,
         if (dev_desc->clk_required) {
                 ret = register_device_clock(adev, pdata);
                 if (ret) {
-                        /*
-                         * Skip the device, but don't terminate the namespace
-                         * scan.
-                         */
-                        kfree(pdata);
-                        return 0;
+                        /* Skip the device, but continue the namespace scan. */
+                        ret = 0;
+                        goto err_out;
                 }
         }
 
+        /*
+         * This works around a known issue in ACPI tables where LPSS devices
+         * have _PS0 and _PS3 without _PSC (and no power resources), so
+         * acpi_bus_init_power() will assume that the BIOS has put them into D0.
+         */
+        ret = acpi_device_fix_up_power(adev);
+        if (ret) {
+                /* Skip the device, but continue the namespace scan. */
+                ret = 0;
+                goto err_out;
+        }
+
         adev->driver_data = pdata;
         ret = acpi_create_platform_device(adev, id);
         if (ret > 0)
diff --git a/drivers/acpi/apei/cper.c b/drivers/acpi/apei/cper.c
index fefc2ca7cc3e..33dc6a004802 100644
--- a/drivers/acpi/apei/cper.c
+++ b/drivers/acpi/apei/cper.c
@@ -250,10 +250,6 @@ static const char *cper_pcie_port_type_strs[] = {
 static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie,
                             const struct acpi_hest_generic_data *gdata)
 {
-#ifdef CONFIG_ACPI_APEI_PCIEAER
-        struct pci_dev *dev;
-#endif
-
         if (pcie->validation_bits & CPER_PCIE_VALID_PORT_TYPE)
                 printk("%s""port_type: %d, %s\n", pfx, pcie->port_type,
                        pcie->port_type < ARRAY_SIZE(cper_pcie_port_type_strs) ?
@@ -285,20 +281,6 @@ static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie,
                 printk(
         "%s""bridge: secondary_status: 0x%04x, control: 0x%04x\n",
         pfx, pcie->bridge.secondary_status, pcie->bridge.control);
-#ifdef CONFIG_ACPI_APEI_PCIEAER
-        dev = pci_get_domain_bus_and_slot(pcie->device_id.segment,
-                        pcie->device_id.bus, pcie->device_id.function);
-        if (!dev) {
-                pr_err("PCI AER Cannot get PCI device %04x:%02x:%02x.%d\n",
-                        pcie->device_id.segment, pcie->device_id.bus,
-                        pcie->device_id.slot, pcie->device_id.function);
-                return;
-        }
-        if (pcie->validation_bits & CPER_PCIE_VALID_AER_INFO)
-                cper_print_aer(pfx, dev, gdata->error_severity,
-                                (struct aer_capability_regs *) pcie->aer_info);
-        pci_dev_put(dev);
-#endif
 }
 
 static const char *apei_estatus_section_flag_strs[] = {
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index d668a8ae602b..fcd7d91cec34 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -454,7 +454,9 @@ static void ghes_do_proc(struct ghes *ghes,
                                 aer_severity = cper_severity_to_aer(sev);
                                 aer_recover_queue(pcie_err->device_id.segment,
                                                   pcie_err->device_id.bus,
-                                                  devfn, aer_severity);
+                                                  devfn, aer_severity,
+                                                  (struct aer_capability_regs *)
+                                                  pcie_err->aer_info);
                         }
 
                 }
@@ -917,13 +919,14 @@ static int ghes_probe(struct platform_device *ghes_dev)
                 break;
         case ACPI_HEST_NOTIFY_EXTERNAL:
                 /* External interrupt vector is GSI */
-                if (acpi_gsi_to_irq(generic->notify.vector, &ghes->irq)) {
+                rc = acpi_gsi_to_irq(generic->notify.vector, &ghes->irq);
+                if (rc) {
                         pr_err(GHES_PFX "Failed to map GSI to IRQ for generic hardware error source: %d\n",
                                generic->header.source_id);
                         goto err_edac_unreg;
                 }
-                if (request_irq(ghes->irq, ghes_irq_func,
-                                0, "GHES IRQ", ghes)) {
+                rc = request_irq(ghes->irq, ghes_irq_func, 0, "GHES IRQ", ghes);
+                if (rc) {
                         pr_err(GHES_PFX "Failed to register IRQ for generic hardware error source: %d\n",
                                generic->header.source_id);
                         goto err_edac_unreg;
diff --git a/drivers/acpi/csrt.c b/drivers/acpi/csrt.c
deleted file mode 100644
index 5c15a91faf0b..000000000000
--- a/drivers/acpi/csrt.c
+++ /dev/null
@@ -1,159 +0,0 @@
-/*
- * Support for Core System Resources Table (CSRT)
- *
- * Copyright (C) 2013, Intel Corporation
- * Authors: Mika Westerberg <mika.westerberg@linux.intel.com>
- *          Andy Shevchenko <andriy.shevchenko@linux.intel.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#define pr_fmt(fmt) "ACPI: CSRT: " fmt
-
-#include <linux/acpi.h>
-#include <linux/device.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/sizes.h>
-
-ACPI_MODULE_NAME("CSRT");
-
-static int __init acpi_csrt_parse_shared_info(struct platform_device *pdev,
-                                              const struct acpi_csrt_group *grp)
-{
-        const struct acpi_csrt_shared_info *si;
-        struct resource res[3];
-        size_t nres;
-        int ret;
-
-        memset(res, 0, sizeof(res));
-        nres = 0;
-
-        si = (const struct acpi_csrt_shared_info *)&grp[1];
-        /*
-         * The peripherals that are listed on CSRT typically support only
-         * 32-bit addresses so we only use the low part of MMIO base for
-         * now.
-         */
-        if (!si->mmio_base_high && si->mmio_base_low) {
-                /*
-                 * There is no size of the memory resource in shared_info
-                 * so we assume that it is 4k here.
-                 */
-                res[nres].start = si->mmio_base_low;
-                res[nres].end = res[0].start + SZ_4K - 1;
-                res[nres++].flags = IORESOURCE_MEM;
-        }
-
-        if (si->gsi_interrupt) {
-                int irq = acpi_register_gsi(NULL, si->gsi_interrupt,
-                                            si->interrupt_mode,
-                                            si->interrupt_polarity);
-                res[nres].start = irq;
-                res[nres].end = irq;
-                res[nres++].flags = IORESOURCE_IRQ;
-        }
-
-        if (si->base_request_line || si->num_handshake_signals) {
-                /*
-                 * We pass the driver a DMA resource describing the range
-                 * of request lines the device supports.
-                 */
-                res[nres].start = si->base_request_line;
-                res[nres].end = res[nres].start + si->num_handshake_signals - 1;
-                res[nres++].flags = IORESOURCE_DMA;
-        }
-
-        ret = platform_device_add_resources(pdev, res, nres);
-        if (ret) {
-                if (si->gsi_interrupt)
-                        acpi_unregister_gsi(si->gsi_interrupt);
-                return ret;
-        }
-
-        return 0;
-}
-
-static int __init
-acpi_csrt_parse_resource_group(const struct acpi_csrt_group *grp)
-{
-        struct platform_device *pdev;
-        char vendor[5], name[16];
-        int ret, i;
-
-        vendor[0] = grp->vendor_id;
-        vendor[1] = grp->vendor_id >> 8;
-        vendor[2] = grp->vendor_id >> 16;
-        vendor[3] = grp->vendor_id >> 24;
-        vendor[4] = '\0';
-
-        if (grp->shared_info_length != sizeof(struct acpi_csrt_shared_info))
-                return -ENODEV;
-
-        snprintf(name, sizeof(name), "%s%04X", vendor, grp->device_id);
-        pdev = platform_device_alloc(name, PLATFORM_DEVID_AUTO);
-        if (!pdev)
-                return -ENOMEM;
-
-        /* Add resources based on the shared info */
-        ret = acpi_csrt_parse_shared_info(pdev, grp);
-        if (ret)
-                goto fail;
-
-        ret = platform_device_add(pdev);
-        if (ret)
-                goto fail;
-
-        for (i = 0; i < pdev->num_resources; i++)
-                dev_dbg(&pdev->dev, "%pR\n", &pdev->resource[i]);
-
-        return 0;
-
-fail:
-        platform_device_put(pdev);
-        return ret;
-}
-
-/*
- * CSRT or Core System Resources Table is a proprietary ACPI table
- * introduced by Microsoft. This table can contain devices that are not in
- * the system DSDT table. In particular DMA controllers might be described
- * here.
- *
- * We present these devices as normal platform devices that don't have ACPI
- * IDs or handle. The platform device name will be something like
- * <VENDOR><DEVID>.<n>.auto for example: INTL9C06.0.auto.
- */
-void __init acpi_csrt_init(void)
-{
-        struct acpi_csrt_group *grp, *end;
-        struct acpi_table_csrt *csrt;
-        acpi_status status;
-        int ret;
-
-        status = acpi_get_table(ACPI_SIG_CSRT, 0,
-                                (struct acpi_table_header **)&csrt);
-        if (ACPI_FAILURE(status)) {
-                if (status != AE_NOT_FOUND)
-                        pr_warn("failed to get the CSRT table\n");
-                return;
-        }
-
-        pr_debug("parsing CSRT table for devices\n");
-
-        grp = (struct acpi_csrt_group *)(csrt + 1);
-        end = (struct acpi_csrt_group *)((void *)csrt + csrt->header.length);
-
-        while (grp < end) {
-                ret = acpi_csrt_parse_resource_group(grp);
-                if (ret) {
-                        pr_warn("error in parsing resource group: %d\n", ret);
-                        return;
-                }
-
-                grp = (struct acpi_csrt_group *)((void *)grp + grp->length);
-        }
-}
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index 96de787e6104..31c217a42839 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -37,68 +37,6 @@
 #define _COMPONENT      ACPI_POWER_COMPONENT
 ACPI_MODULE_NAME("device_pm");
 
-static DEFINE_MUTEX(acpi_pm_notifier_lock);
-
-/**
- * acpi_add_pm_notifier - Register PM notifier for given ACPI device.
- * @adev: ACPI device to add the notifier for.
- * @context: Context information to pass to the notifier routine.
- *
- * NOTE: @adev need not be a run-wake or wakeup device to be a valid source of
- * PM wakeup events.  For example, wakeup events may be generated for bridges
- * if one of the devices below the bridge is signaling wakeup, even if the
- * bridge itself doesn't have a wakeup GPE associated with it.
- */
-acpi_status acpi_add_pm_notifier(struct acpi_device *adev,
-                                 acpi_notify_handler handler, void *context)
-{
-        acpi_status status = AE_ALREADY_EXISTS;
-
-        mutex_lock(&acpi_pm_notifier_lock);
-
-        if (adev->wakeup.flags.notifier_present)
-                goto out;
-
-        status = acpi_install_notify_handler(adev->handle,
-                                             ACPI_SYSTEM_NOTIFY,
-                                             handler, context);
-        if (ACPI_FAILURE(status))
-                goto out;
-
-        adev->wakeup.flags.notifier_present = true;
-
- out:
-        mutex_unlock(&acpi_pm_notifier_lock);
-        return status;
-}
-
-/**
- * acpi_remove_pm_notifier - Unregister PM notifier from given ACPI device.
- * @adev: ACPI device to remove the notifier from.
- */
-acpi_status acpi_remove_pm_notifier(struct acpi_device *adev,
-                                    acpi_notify_handler handler)
-{
-        acpi_status status = AE_BAD_PARAMETER;
-
-        mutex_lock(&acpi_pm_notifier_lock);
-
-        if (!adev->wakeup.flags.notifier_present)
-                goto out;
-
-        status = acpi_remove_notify_handler(adev->handle,
-                                            ACPI_SYSTEM_NOTIFY,
-                                            handler);
-        if (ACPI_FAILURE(status))
-                goto out;
-
-        adev->wakeup.flags.notifier_present = false;
-
- out:
-        mutex_unlock(&acpi_pm_notifier_lock);
-        return status;
-}
-
 /**
  * acpi_power_state_string - String representation of ACPI device power state.
  * @state: ACPI device power state to return the string representation of.
@@ -340,16 +278,38 @@ int acpi_bus_init_power(struct acpi_device *device)
                 if (result)
                         return result;
         } else if (state == ACPI_STATE_UNKNOWN) {
-                /* No power resources and missing _PSC? Try to force D0. */
+                /*
+                 * No power resources and missing _PSC?  Cross fingers and make
+                 * it D0 in hope that this is what the BIOS put the device into.
+                 * [We tried to force D0 here by executing _PS0, but that broke
+                 * Toshiba P870-303 in a nasty way.]
+                 */
                 state = ACPI_STATE_D0;
-                result = acpi_dev_pm_explicit_set(device, state);
-                if (result)
-                        return result;
         }
         device->power.state = state;
         return 0;
 }
 
+/**
+ * acpi_device_fix_up_power - Force device with missing _PSC into D0.
+ * @device: Device object whose power state is to be fixed up.
+ *
+ * Devices without power resources and _PSC, but having _PS0 and _PS3 defined,
+ * are assumed to be put into D0 by the BIOS.  However, in some cases that may
+ * not be the case and this function should be used then.
+ */
+int acpi_device_fix_up_power(struct acpi_device *device)
+{
+        int ret = 0;
+
+        if (!device->power.flags.power_resources
+            && !device->power.flags.explicit_get
+            && device->power.state == ACPI_STATE_D0)
+                ret = acpi_dev_pm_explicit_set(device, ACPI_STATE_D0);
+
+        return ret;
+}
+
 int acpi_bus_update_power(acpi_handle handle, int *state_p)
 {
         struct acpi_device *device;
@@ -385,6 +345,69 @@ bool acpi_bus_power_manageable(acpi_handle handle)
 }
 EXPORT_SYMBOL(acpi_bus_power_manageable);
 
+#ifdef CONFIG_PM
+static DEFINE_MUTEX(acpi_pm_notifier_lock);
+
+/**
+ * acpi_add_pm_notifier - Register PM notifier for given ACPI device.
+ * @adev: ACPI device to add the notifier for.
+ * @context: Context information to pass to the notifier routine.
+ *
+ * NOTE: @adev need not be a run-wake or wakeup device to be a valid source of
+ * PM wakeup events.  For example, wakeup events may be generated for bridges
+ * if one of the devices below the bridge is signaling wakeup, even if the
+ * bridge itself doesn't have a wakeup GPE associated with it.
+ */
+acpi_status acpi_add_pm_notifier(struct acpi_device *adev,
+                                 acpi_notify_handler handler, void *context)
+{
+        acpi_status status = AE_ALREADY_EXISTS;
+
+        mutex_lock(&acpi_pm_notifier_lock);
+
+        if (adev->wakeup.flags.notifier_present)
+                goto out;
+
+        status = acpi_install_notify_handler(adev->handle,
+                                             ACPI_SYSTEM_NOTIFY,
+                                             handler, context);
+        if (ACPI_FAILURE(status))
+                goto out;
+
+        adev->wakeup.flags.notifier_present = true;
+
+ out:
+        mutex_unlock(&acpi_pm_notifier_lock);
+        return status;
+}
+
+/**
+ * acpi_remove_pm_notifier - Unregister PM notifier from given ACPI device.
+ * @adev: ACPI device to remove the notifier from.
+ */
+acpi_status acpi_remove_pm_notifier(struct acpi_device *adev,
+                                    acpi_notify_handler handler)
+{
+        acpi_status status = AE_BAD_PARAMETER;
+
+        mutex_lock(&acpi_pm_notifier_lock);
+
+        if (!adev->wakeup.flags.notifier_present)
+                goto out;
+
+        status = acpi_remove_notify_handler(adev->handle,
+                                            ACPI_SYSTEM_NOTIFY,
+                                            handler);
+        if (ACPI_FAILURE(status))
+                goto out;
+
+        adev->wakeup.flags.notifier_present = false;
+
+ out:
+        mutex_unlock(&acpi_pm_notifier_lock);
+        return status;
+}
+
 bool acpi_bus_can_wakeup(acpi_handle handle)
 {
         struct acpi_device *device;
@@ -1023,3 +1046,4 @@ void acpi_dev_pm_remove_dependent(acpi_handle handle, struct device *depdev)
         mutex_unlock(&adev->physical_node_lock);
 }
 EXPORT_SYMBOL_GPL(acpi_dev_pm_remove_dependent);
+#endif /* CONFIG_PM */
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 4fdea381ef21..ec117c6c996c 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -868,8 +868,10 @@ static ssize_t write_undock(struct device *dev, struct device_attribute *attr,
         if (!count)
                 return -EINVAL;
 
+        acpi_scan_lock_acquire();
         begin_undock(dock_station);
         ret = handle_eject_request(dock_station, ACPI_NOTIFY_EJECT_REQUEST);
+        acpi_scan_lock_release();
         return ret ? ret: count;
 }
 static DEVICE_ATTR(undock, S_IWUSR, NULL, write_undock);
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index 6f1afd9118c8..297cbf456f86 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -35,7 +35,6 @@ void acpi_pci_link_init(void);
 void acpi_pci_root_hp_init(void);
 void acpi_platform_init(void);
 int acpi_sysfs_init(void);
-void acpi_csrt_init(void);
 #ifdef CONFIG_ACPI_CONTAINER
 void acpi_container_init(void);
 #else
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index f962047c6c85..288bb270f8ed 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -885,6 +885,7 @@ int acpi_add_power_resource(acpi_handle handle)
                                 ACPI_STA_DEFAULT);
         mutex_init(&resource->resource_lock);
         INIT_LIST_HEAD(&resource->dependent);
+        INIT_LIST_HEAD(&resource->list_node);
         resource->name = device->pnp.bus_id;
         strcpy(acpi_device_name(device), ACPI_POWER_DEVICE_NAME);
         strcpy(acpi_device_class(device), ACPI_POWER_CLASS);
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index a3868f6c222a..3322b47ab7ca 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -304,7 +304,8 @@ static void acpi_dev_irqresource_disabled(struct resource *res, u32 gsi)
 }
 
 static void acpi_dev_get_irqresource(struct resource *res, u32 gsi,
-                                     u8 triggering, u8 polarity, u8 shareable)
+                                     u8 triggering, u8 polarity, u8 shareable,
+                                     bool legacy)
 {
         int irq, p, t;
 
@@ -317,14 +318,19 @@ static void acpi_dev_get_irqresource(struct resource *res, u32 gsi,
          * In IO-APIC mode, use overrided attribute. Two reasons:
          * 1. BIOS bug in DSDT
          * 2. BIOS uses IO-APIC mode Interrupt Source Override
+         *
+         * We do this only if we are dealing with IRQ() or IRQNoFlags()
+         * resource (the legacy ISA resources). With modern ACPI 5 devices
+         * using extended IRQ descriptors we take the IRQ configuration
+         * from _CRS directly.
          */
-        if (!acpi_get_override_irq(gsi, &t, &p)) {
+        if (legacy && !acpi_get_override_irq(gsi, &t, &p)) {
                 u8 trig = t ? ACPI_LEVEL_SENSITIVE : ACPI_EDGE_SENSITIVE;
                 u8 pol = p ? ACPI_ACTIVE_LOW : ACPI_ACTIVE_HIGH;
 
                 if (triggering != trig || polarity != pol) {
                         pr_warning("ACPI: IRQ %d override to %s, %s\n", gsi,
-                                   t ? "edge" : "level", p ? "low" : "high");
+                                   t ? "level" : "edge", p ? "low" : "high");
                         triggering = trig;
                         polarity = pol;
                 }
@@ -373,7 +379,7 @@ bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
                 }
                 acpi_dev_get_irqresource(res, irq->interrupts[index],
                                          irq->triggering, irq->polarity,
-                                         irq->sharable);
+                                         irq->sharable, true);
                 break;
         case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
                 ext_irq = &ares->data.extended_irq;
@@ -383,7 +389,7 @@ bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
                 }
                 acpi_dev_get_irqresource(res, ext_irq->interrupts[index],
                                          ext_irq->triggering, ext_irq->polarity,
-                                         ext_irq->sharable);
+                                         ext_irq->sharable, false);
                 break;
         default:
                 return false;
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index c1bc608339a6..b14ac46948c9 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1017,11 +1017,8 @@ acpi_bus_driver_init(struct acpi_device *device, struct acpi_driver *driver)
                 return -ENOSYS;
 
         result = driver->ops.add(device);
-        if (result) {
-                device->driver = NULL;
-                device->driver_data = NULL;
+        if (result)
                 return result;
-        }
 
         device->driver = driver;
 
@@ -2043,7 +2040,6 @@ int __init acpi_scan_init(void)
         acpi_pci_link_init();
         acpi_platform_init();
         acpi_lpss_init();
-        acpi_csrt_init();
         acpi_container_init();
         acpi_memory_hotplug_init();
 
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 5b32e15a65ce..440eadf2d32c 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -458,12 +458,28 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
         },
         {
          .callback = video_ignore_initial_backlight,
+         .ident = "HP Pavilion g6 Notebook PC",
+         .matches = {
+                 DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+                 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion g6 Notebook PC"),
+                },
+        },
+        {
+         .callback = video_ignore_initial_backlight,
          .ident = "HP 1000 Notebook PC",
          .matches = {
                 DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
                 DMI_MATCH(DMI_PRODUCT_NAME, "HP 1000 Notebook PC"),
                 },
         },
+        {
+         .callback = video_ignore_initial_backlight,
+         .ident = "HP Pavilion m4",
+         .matches = {
+                DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+                DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion m4 Notebook PC"),
+                },
+        },
         {}
 };
 
@@ -1706,6 +1722,9 @@ static int acpi_video_bus_add(struct acpi_device *device)
         int error;
         acpi_status status;
 
+        if (device->handler)
+                return -EINVAL;
+
         status = acpi_walk_namespace(ACPI_TYPE_DEVICE,
                                 device->parent->handle, 1,
                                 acpi_video_bus_match, NULL,
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 66f67626f02e..e6bd910bc6ed 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -161,6 +161,14 @@ static struct dmi_system_id video_detect_dmi_table[] = {
                 DMI_MATCH(DMI_PRODUCT_NAME, "UL30VT"),
                 },
         },
+        {
+        .callback = video_detect_force_vendor,
+        .ident = "Asus UL30A",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
+                DMI_MATCH(DMI_PRODUCT_NAME, "UL30A"),
+                },
+        },
         { },
 };
 
diff --git a/drivers/ata/acard-ahci.c b/drivers/ata/acard-ahci.c
index 4e94ba29cb8d..9d0cf019ce59 100644
--- a/drivers/ata/acard-ahci.c
+++ b/drivers/ata/acard-ahci.c
@@ -2,7 +2,7 @@
 /*
  *  acard-ahci.c - ACard AHCI SATA support
  *
- *  Maintained by:  Jeff Garzik <jgarzik@pobox.com>
+ *  Maintained by:  Tejun Heo <tj@kernel.org>
  *                  Please ALWAYS copy linux-ide@vger.kernel.org
  *                  on emails.
  *
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 251e57d38942..2b50dfdf1cfc 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1,7 +1,7 @@
 /*
  *  ahci.c - AHCI SATA support
  *
- *  Maintained by:  Jeff Garzik <jgarzik@pobox.com>
+ *  Maintained by:  Tejun Heo <tj@kernel.org>
  *                  Please ALWAYS copy linux-ide@vger.kernel.org
  *                  on emails.
  *
@@ -423,6 +423,8 @@ static const struct pci_device_id ahci_pci_tbl[] = {
           .driver_data = board_ahci_yes_fbs },                  /* 88se9125 */
         { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x917a),
           .driver_data = board_ahci_yes_fbs },                  /* 88se9172 */
+        { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9172),
+          .driver_data = board_ahci_yes_fbs },                  /* 88se9172 */
         { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9192),
           .driver_data = board_ahci_yes_fbs },                  /* 88se9172 on some Gigabyte */
         { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a3),
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index b830e6c9fe49..10b14d45cfd2 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -1,7 +1,7 @@
 /*
  *  ahci.h - Common AHCI SATA definitions and declarations
  *
- *  Maintained by:  Jeff Garzik <jgarzik@pobox.com>
+ *  Maintained by:  Tejun Heo <tj@kernel.org>
  *                  Please ALWAYS copy linux-ide@vger.kernel.org
  *                  on emails.
  *
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 2f48123d74c4..9a8a674e8fac 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -1,7 +1,7 @@
 /*
  *    ata_piix.c - Intel PATA/SATA controllers
  *
- *    Maintained by:  Jeff Garzik <jgarzik@pobox.com>
+ *    Maintained by:  Tejun Heo <tj@kernel.org>
  *                  Please ALWAYS copy linux-ide@vger.kernel.org
  *                  on emails.
  *
@@ -151,6 +151,7 @@ enum piix_controller_ids {
         piix_pata_vmw,                  /* PIIX4 for VMware, spurious DMA_ERR */
         ich8_sata_snb,
         ich8_2port_sata_snb,
+        ich8_2port_sata_byt,
 };
 
 struct piix_map_db {
@@ -334,6 +335,9 @@ static const struct pci_device_id piix_pci_tbl[] = {
         { 0x8086, 0x8d60, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
         /* SATA Controller IDE (Wellsburg) */
         { 0x8086, 0x8d68, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+        /* SATA Controller IDE (BayTrail) */
+        { 0x8086, 0x0F20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_byt },
+        { 0x8086, 0x0F21, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_byt },
 
         { }     /* terminate list */
 };
@@ -441,6 +445,7 @@ static const struct piix_map_db *piix_map_db_table[] = {
         [tolapai_sata]          = &tolapai_map_db,
         [ich8_sata_snb]         = &ich8_map_db,
         [ich8_2port_sata_snb]   = &ich8_2port_map_db,
+        [ich8_2port_sata_byt]   = &ich8_2port_map_db,
 };
 
 static struct pci_bits piix_enable_bits[] = {
@@ -1254,6 +1259,16 @@ static struct ata_port_info piix_port_info[] = {
                 .udma_mask      = ATA_UDMA6,
                 .port_ops       = &piix_sata_ops,
         },
+
+        [ich8_2port_sata_byt] =
+        {
+                .flags          = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR | PIIX_FLAG_PIO16,
+                .pio_mask       = ATA_PIO4,
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA6,
+                .port_ops       = &piix_sata_ops,
+        },
+
 };
 
 #define AHCI_PCI_BAR 5
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 34c82167b962..a70ff154f586 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -1,7 +1,7 @@
 /*
  *  libahci.c - Common AHCI SATA low-level routines
  *
- *  Maintained by:  Jeff Garzik <jgarzik@pobox.com>
+ *  Maintained by:  Tejun Heo <tj@kernel.org>
  *                  Please ALWAYS copy linux-ide@vger.kernel.org
  *                  on emails.
  *
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 63c743baf920..f2184276539d 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -1,7 +1,7 @@
 /*
  *  libata-core.c - helper library for ATA
  *
- *  Maintained by:  Jeff Garzik <jgarzik@pobox.com>
+ *  Maintained by:  Tejun Heo <tj@kernel.org>
  *                  Please ALWAYS copy linux-ide@vger.kernel.org
  *                  on emails.
  *
@@ -1602,6 +1602,12 @@ unsigned ata_exec_internal_sg(struct ata_device *dev,
         qc->tf = *tf;
         if (cdb)
                 memcpy(qc->cdb, cdb, ATAPI_CDB_LEN);
+
+        /* some SATA bridges need us to indicate data xfer direction */
+        if (tf->protocol == ATAPI_PROT_DMA && (dev->flags & ATA_DFLAG_DMADIR) &&
+            dma_dir == DMA_FROM_DEVICE)
+                qc->tf.feature |= ATAPI_DMADIR;
+
         qc->flags |= ATA_QCFLAG_RESULT_TF;
         qc->dma_dir = dma_dir;
         if (dma_dir != DMA_NONE) {
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index f9476fb3ac43..c69fcce505c0 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -1,7 +1,7 @@
 /*
  *  libata-eh.c - libata error handling
  *
- *  Maintained by:  Jeff Garzik <jgarzik@pobox.com>
+ *  Maintained by:  Tejun Heo <tj@kernel.org>
  *                  Please ALWAYS copy linux-ide@vger.kernel.org
  *                  on emails.
  *
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index dd310b27b24c..0101af541436 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1,7 +1,7 @@
 /*
  *  libata-scsi.c - helper library for ATA
  *
- *  Maintained by:  Jeff Garzik <jgarzik@pobox.com>
+ *  Maintained by:  Tejun Heo <tj@kernel.org>
  *                  Please ALWAYS copy linux-ide@vger.kernel.org
  *                  on emails.
  *
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index d8af325a6bda..b603720b877d 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -1,7 +1,7 @@
 /*
  *  libata-sff.c - helper library for PCI IDE BMDMA
  *
- *  Maintained by:  Jeff Garzik <jgarzik@pobox.com>
+ *  Maintained by:  Tejun Heo <tj@kernel.org>
  *                  Please ALWAYS copy linux-ide@vger.kernel.org
  *                  on emails.
  *
diff --git a/drivers/ata/pdc_adma.c b/drivers/ata/pdc_adma.c
index 505333340ad5..8ea6e6afd041 100644
--- a/drivers/ata/pdc_adma.c
+++ b/drivers/ata/pdc_adma.c
@@ -1,7 +1,7 @@
 /*
  *  pdc_adma.c - Pacific Digital Corporation ADMA
  *
- *  Maintained by:  Mark Lord <mlord@pobox.com>
+ *  Maintained by:  Tejun Heo <tj@kernel.org>
  *
  *  Copyright 2005 Mark Lord
  *
diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c
index fb0dd87f8893..958ba2a420c3 100644
--- a/drivers/ata/sata_promise.c
+++ b/drivers/ata/sata_promise.c
@@ -1,7 +1,7 @@
 /*
  *  sata_promise.c - Promise SATA
  *
- *  Maintained by:  Jeff Garzik <jgarzik@pobox.com>
+ *  Maintained by:  Tejun Heo <tj@kernel.org>
  *                  Mikael Pettersson <mikpe@it.uu.se>
  *                  Please ALWAYS copy linux-ide@vger.kernel.org
  *                  on emails.
diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c
index 4799868bd733..249c8a289bfd 100644
--- a/drivers/ata/sata_rcar.c
+++ b/drivers/ata/sata_rcar.c
@@ -549,6 +549,7 @@ static void sata_rcar_bmdma_start(struct ata_queued_cmd *qc)
 
         /* start host DMA transaction */
         dmactl = ioread32(priv->base + ATAPI_CONTROL1_REG);
+        dmactl &= ~ATAPI_CONTROL1_STOP;
         dmactl |= ATAPI_CONTROL1_START;
         iowrite32(dmactl, priv->base + ATAPI_CONTROL1_REG);
 }
@@ -618,17 +619,16 @@ static struct ata_port_operations sata_rcar_port_ops = {
         .bmdma_status           = sata_rcar_bmdma_status,
 };
 
-static int sata_rcar_serr_interrupt(struct ata_port *ap)
+static void sata_rcar_serr_interrupt(struct ata_port *ap)
 {
         struct sata_rcar_priv *priv = ap->host->private_data;
         struct ata_eh_info *ehi = &ap->link.eh_info;
         int freeze = 0;
-        int handled = 0;
         u32 serror;
 
         serror = ioread32(priv->base + SCRSERR_REG);
         if (!serror)
-                return 0;
+                return;
 
         DPRINTK("SError @host_intr: 0x%x\n", serror);
 
@@ -641,7 +641,6 @@ static int sata_rcar_serr_interrupt(struct ata_port *ap)
                 ata_ehi_push_desc(ehi, "%s", "hotplug");
 
                 freeze = serror & SERR_COMM_WAKE ? 0 : 1;
-                handled = 1;
         }
 
         /* freeze or abort */
@@ -649,11 +648,9 @@ static int sata_rcar_serr_interrupt(struct ata_port *ap)
                 ata_port_freeze(ap);
         else
                 ata_port_abort(ap);
-
-        return handled;
 }
 
-static int sata_rcar_ata_interrupt(struct ata_port *ap)
+static void sata_rcar_ata_interrupt(struct ata_port *ap)
 {
         struct ata_queued_cmd *qc;
         int handled = 0;
@@ -662,7 +659,9 @@ static int sata_rcar_ata_interrupt(struct ata_port *ap)
         if (qc)
                 handled |= ata_bmdma_port_intr(ap, qc);
 
-        return handled;
+        /* be sure to clear ATA interrupt */
+        if (!handled)
+                sata_rcar_check_status(ap);
 }
 
 static irqreturn_t sata_rcar_interrupt(int irq, void *dev_instance)
@@ -677,20 +676,21 @@ static irqreturn_t sata_rcar_interrupt(int irq, void *dev_instance)
         spin_lock_irqsave(&host->lock, flags);
 
         sataintstat = ioread32(priv->base + SATAINTSTAT_REG);
+        sataintstat &= SATA_RCAR_INT_MASK;
         if (!sataintstat)
                 goto done;
         /* ack */
-        iowrite32(sataintstat & ~SATA_RCAR_INT_MASK,
-                 priv->base + SATAINTSTAT_REG);
+        iowrite32(~sataintstat & 0x7ff, priv->base + SATAINTSTAT_REG);
 
         ap = host->ports[0];
 
         if (sataintstat & SATAINTSTAT_ATA)
-                handled |= sata_rcar_ata_interrupt(ap);
+                sata_rcar_ata_interrupt(ap);
 
         if (sataintstat & SATAINTSTAT_SERR)
-                handled |= sata_rcar_serr_interrupt(ap);
+                sata_rcar_serr_interrupt(ap);
 
+        handled = 1;
 done:
         spin_unlock_irqrestore(&host->lock, flags);
 
diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c
index a7b31672c4b7..0ae3ca4bf5c0 100644
--- a/drivers/ata/sata_sil.c
+++ b/drivers/ata/sata_sil.c
@@ -1,7 +1,7 @@
 /*
  *  sata_sil.c - Silicon Image SATA
  *
- *  Maintained by:  Jeff Garzik <jgarzik@pobox.com>
+ *  Maintained by:  Tejun Heo <tj@kernel.org>
  *                  Please ALWAYS copy linux-ide@vger.kernel.org
  *                  on emails.
  *
diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c
index 7b7127a58f51..9947010afc0f 100644
--- a/drivers/ata/sata_sx4.c
+++ b/drivers/ata/sata_sx4.c
@@ -1,7 +1,7 @@
 /*
  *  sata_sx4.c - Promise SATA
  *
- *  Maintained by:  Jeff Garzik <jgarzik@pobox.com>
+ *  Maintained by:  Tejun Heo <tj@kernel.org>
  *                  Please ALWAYS copy linux-ide@vger.kernel.org
  *                  on emails.
  *
diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c
index 5913ea9d57b2..87f056e54a9d 100644
--- a/drivers/ata/sata_via.c
+++ b/drivers/ata/sata_via.c
@@ -1,7 +1,7 @@
 /*
  *  sata_via.c - VIA Serial ATA controllers
  *
- *  Maintained by:  Jeff Garzik <jgarzik@pobox.com>
+ *  Maintained by:  Tejun Heo <tj@kernel.org>
  *                 Please ALWAYS copy linux-ide@vger.kernel.org
  *                 on emails.
  *
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 4b1f9265887f..01e21037d8fe 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -450,8 +450,18 @@ static void fw_load_abort(struct firmware_priv *fw_priv)
 {
         struct firmware_buf *buf = fw_priv->buf;
 
+        /*
+         * There is a small window in which user can write to 'loading'
+         * between loading done and disappearance of 'loading'
+         */
+        if (test_bit(FW_STATUS_DONE, &buf->status))
+                return;
+
         set_bit(FW_STATUS_ABORT, &buf->status);
         complete_all(&buf->completion);
+
+        /* avoid user action after loading abort */
+        fw_priv->buf = NULL;
 }
 
 #define is_fw_load_aborted(buf) \
@@ -528,7 +538,12 @@ static ssize_t firmware_loading_show(struct device *dev,
                                      struct device_attribute *attr, char *buf)
 {
         struct firmware_priv *fw_priv = to_firmware_priv(dev);
-        int loading = test_bit(FW_STATUS_LOADING, &fw_priv->buf->status);
+        int loading = 0;
+
+        mutex_lock(&fw_lock);
+        if (fw_priv->buf)
+                loading = test_bit(FW_STATUS_LOADING, &fw_priv->buf->status);
+        mutex_unlock(&fw_lock);
 
         return sprintf(buf, "%d\n", loading);
 }
@@ -570,12 +585,12 @@ static ssize_t firmware_loading_store(struct device *dev,
                                       const char *buf, size_t count)
 {
         struct firmware_priv *fw_priv = to_firmware_priv(dev);
-        struct firmware_buf *fw_buf = fw_priv->buf;
+        struct firmware_buf *fw_buf;
         int loading = simple_strtol(buf, NULL, 10);
         int i;
 
         mutex_lock(&fw_lock);
-
+        fw_buf = fw_priv->buf;
         if (!fw_buf)
                 goto out;
 
@@ -777,10 +792,6 @@ static void firmware_class_timeout_work(struct work_struct *work)
                         struct firmware_priv, timeout_work.work);
 
         mutex_lock(&fw_lock);
-        if (test_bit(FW_STATUS_DONE, &(fw_priv->buf->status))) {
-                mutex_unlock(&fw_lock);
-                return;
-        }
         fw_load_abort(fw_priv);
         mutex_unlock(&fw_lock);
 }
@@ -861,8 +872,6 @@ static int _request_firmware_load(struct firmware_priv *fw_priv, bool uevent,
 
         cancel_delayed_work_sync(&fw_priv->timeout_work);
 
-        fw_priv->buf = NULL;
-
         device_remove_file(f_dev, &dev_attr_loading);
 err_del_bin_attr:
         device_remove_bin_file(f_dev, &firmware_attr_data);
diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c
index aa0875f6f1b7..02f490bad30f 100644
--- a/drivers/base/regmap/regcache-rbtree.c
+++ b/drivers/base/regmap/regcache-rbtree.c
@@ -143,7 +143,7 @@ static int rbtree_show(struct seq_file *s, void *ignored)
         int registers = 0;
         int this_registers, average;
 
-        map->lock(map);
+        map->lock(map->lock_arg);
 
         mem_size = sizeof(*rbtree_ctx);
         mem_size += BITS_TO_LONGS(map->cache_present_nbits) * sizeof(long);
@@ -170,7 +170,7 @@ static int rbtree_show(struct seq_file *s, void *ignored)
         seq_printf(s, "%d nodes, %d registers, average %d registers, used %zu bytes\n",
                    nodes, registers, average, mem_size);
 
-        map->unlock(map);
+        map->unlock(map->lock_arg);
 
         return 0;
 }
@@ -391,8 +391,6 @@ static int regcache_rbtree_sync(struct regmap *map, unsigned int min,
         for (node = rb_first(&rbtree_ctx->root); node; node = rb_next(node)) {
                 rbnode = rb_entry(node, struct regcache_rbtree_node, node);
 
-                if (rbnode->base_reg < min)
-                        continue;
                 if (rbnode->base_reg > max)
                         break;
                 if (rbnode->base_reg + rbnode->blklen < min)
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index 75923f2396bd..507ee2da0f6e 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -270,7 +270,7 @@ int regcache_sync(struct regmap *map)
 
         BUG_ON(!map->cache_ops || !map->cache_ops->sync);
 
-        map->lock(map);
+        map->lock(map->lock_arg);
         /* Remember the initial bypass state */
         bypass = map->cache_bypass;
         dev_dbg(map->dev, "Syncing %s cache\n",
@@ -306,7 +306,7 @@ out:
         trace_regcache_sync(map->dev, name, "stop");
         /* Restore the bypass state */
         map->cache_bypass = bypass;
-        map->unlock(map);
+        map->unlock(map->lock_arg);
 
         return ret;
 }
@@ -333,7 +333,7 @@ int regcache_sync_region(struct regmap *map, unsigned int min,
 
         BUG_ON(!map->cache_ops || !map->cache_ops->sync);
 
-        map->lock(map);
+        map->lock(map->lock_arg);
 
         /* Remember the initial bypass state */
         bypass = map->cache_bypass;
@@ -352,7 +352,7 @@ out:
         trace_regcache_sync(map->dev, name, "stop region");
         /* Restore the bypass state */
         map->cache_bypass = bypass;
-        map->unlock(map);
+        map->unlock(map->lock_arg);
 
         return ret;
 }
@@ -372,11 +372,11 @@ EXPORT_SYMBOL_GPL(regcache_sync_region);
  */
 void regcache_cache_only(struct regmap *map, bool enable)
 {
-        map->lock(map);
+        map->lock(map->lock_arg);
         WARN_ON(map->cache_bypass && enable);
         map->cache_only = enable;
         trace_regmap_cache_only(map->dev, enable);
-        map->unlock(map);
+        map->unlock(map->lock_arg);
 }
 EXPORT_SYMBOL_GPL(regcache_cache_only);
 
@@ -391,9 +391,9 @@ EXPORT_SYMBOL_GPL(regcache_cache_only);
  */
 void regcache_mark_dirty(struct regmap *map)
 {
-        map->lock(map);
+        map->lock(map->lock_arg);
         map->cache_dirty = true;
-        map->unlock(map);
+        map->unlock(map->lock_arg);
 }
 EXPORT_SYMBOL_GPL(regcache_mark_dirty);
 
@@ -410,11 +410,11 @@ EXPORT_SYMBOL_GPL(regcache_mark_dirty);
  */
 void regcache_cache_bypass(struct regmap *map, bool enable)
 {
-        map->lock(map);
+        map->lock(map->lock_arg);
         WARN_ON(map->cache_only && enable);
         map->cache_bypass = enable;
         trace_regmap_cache_bypass(map->dev, enable);
-        map->unlock(map);
+        map->unlock(map->lock_arg);
 }
 EXPORT_SYMBOL_GPL(regcache_cache_bypass);
 
diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index 23b701f5fd2f..975719bc3450 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -265,6 +265,7 @@ static ssize_t regmap_map_write_file(struct file *file,
         char *start = buf;
         unsigned long reg, value;
         struct regmap *map = file->private_data;
+        int ret;
 
         buf_size = min(count, (sizeof(buf)-1));
         if (copy_from_user(buf, user_buf, buf_size))
@@ -282,7 +283,9 @@ static ssize_t regmap_map_write_file(struct file *file,
         /* Userspace has been fiddling around behind the kernel's back */
         add_taint(TAINT_USER, LOCKDEP_NOW_UNRELIABLE);
 
-        regmap_write(map, reg, value);
+        ret = regmap_write(map, reg, value);
+        if (ret < 0)
+                return ret;
         return buf_size;
 }
 #else
diff --git a/drivers/bcma/scan.c b/drivers/bcma/scan.c
index bca9c80056fe..8bffa5c9818c 100644
--- a/drivers/bcma/scan.c
+++ b/drivers/bcma/scan.c
@@ -84,6 +84,8 @@ static const struct bcma_device_id_name bcma_bcm_device_names[] = {
         { BCMA_CORE_I2S, "I2S" },
         { BCMA_CORE_SDR_DDR1_MEM_CTL, "SDR/DDR1 Memory Controller" },
         { BCMA_CORE_SHIM, "SHIM" },
+        { BCMA_CORE_PCIE2, "PCIe Gen2" },
+        { BCMA_CORE_ARM_CR4, "ARM CR4" },
         { BCMA_CORE_DEFAULT, "Default" },
 };
 
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index f1a29f8e9d33..9bf4371755f2 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -117,13 +117,13 @@ static struct page *brd_insert_page(struct brd_device *brd, sector_t sector)
 
         spin_lock(&brd->brd_lock);
         idx = sector >> PAGE_SECTORS_SHIFT;
+        page->index = idx;
         if (radix_tree_insert(&brd->brd_pages, idx, page)) {
                 __free_page(page);
                 page = radix_tree_lookup(&brd->brd_pages, idx);
                 BUG_ON(!page);
                 BUG_ON(page->index != idx);
-        } else
-                page->index = idx;
+        }
         spin_unlock(&brd->brd_lock);
 
         radix_tree_preload_end();
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 6374dc103521..62b6c2cc80b5 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -168,8 +168,6 @@ static irqreturn_t do_cciss_msix_intr(int irq, void *dev_id);
 static int cciss_open(struct block_device *bdev, fmode_t mode);
 static int cciss_unlocked_open(struct block_device *bdev, fmode_t mode);
 static void cciss_release(struct gendisk *disk, fmode_t mode);
-static int do_ioctl(struct block_device *bdev, fmode_t mode,
-                    unsigned int cmd, unsigned long arg);
 static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
                        unsigned int cmd, unsigned long arg);
 static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo);
@@ -235,7 +233,7 @@ static const struct block_device_operations cciss_fops = {
         .owner = THIS_MODULE,
         .open = cciss_unlocked_open,
         .release = cciss_release,
-        .ioctl = do_ioctl,
+        .ioctl = cciss_ioctl,
         .getgeo = cciss_getgeo,
 #ifdef CONFIG_COMPAT
         .compat_ioctl = cciss_compat_ioctl,
@@ -1143,16 +1141,6 @@ static void cciss_release(struct gendisk *disk, fmode_t mode)
         mutex_unlock(&cciss_mutex);
 }
 
-static int do_ioctl(struct block_device *bdev, fmode_t mode,
-                    unsigned cmd, unsigned long arg)
-{
-        int ret;
-        mutex_lock(&cciss_mutex);
-        ret = cciss_ioctl(bdev, mode, cmd, arg);
-        mutex_unlock(&cciss_mutex);
-        return ret;
-}
-
 #ifdef CONFIG_COMPAT
 
 static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode,
@@ -1179,7 +1167,7 @@ static int cciss_compat_ioctl(struct block_device *bdev, fmode_t mode,
         case CCISS_REGNEWD:
         case CCISS_RESCANDISK:
         case CCISS_GETLUNINFO:
-                return do_ioctl(bdev, mode, cmd, arg);
+                return cciss_ioctl(bdev, mode, cmd, arg);
 
         case CCISS_PASSTHRU32:
                 return cciss_ioctl32_passthru(bdev, mode, cmd, arg);
@@ -1219,7 +1207,7 @@ static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode,
         if (err)
                 return -EFAULT;
 
-        err = do_ioctl(bdev, mode, CCISS_PASSTHRU, (unsigned long)p);
+        err = cciss_ioctl(bdev, mode, CCISS_PASSTHRU, (unsigned long)p);
         if (err)
                 return err;
         err |=
@@ -1261,7 +1249,7 @@ static int cciss_ioctl32_big_passthru(struct block_device *bdev, fmode_t mode,
         if (err)
                 return -EFAULT;
 
-        err = do_ioctl(bdev, mode, CCISS_BIG_PASSTHRU, (unsigned long)p);
+        err = cciss_ioctl(bdev, mode, CCISS_BIG_PASSTHRU, (unsigned long)p);
         if (err)
                 return err;
         err |=
@@ -1311,11 +1299,14 @@ static int cciss_getpciinfo(ctlr_info_t *h, void __user *argp)
 static int cciss_getintinfo(ctlr_info_t *h, void __user *argp)
 {
         cciss_coalint_struct intinfo;
+        unsigned long flags;
 
         if (!argp)
                 return -EINVAL;
+        spin_lock_irqsave(&h->lock, flags);
         intinfo.delay = readl(&h->cfgtable->HostWrite.CoalIntDelay);
         intinfo.count = readl(&h->cfgtable->HostWrite.CoalIntCount);
+        spin_unlock_irqrestore(&h->lock, flags);
         if (copy_to_user
             (argp, &intinfo, sizeof(cciss_coalint_struct)))
                 return -EFAULT;
@@ -1356,12 +1347,15 @@ static int cciss_setintinfo(ctlr_info_t *h, void __user *argp)
 static int cciss_getnodename(ctlr_info_t *h, void __user *argp)
 {
         NodeName_type NodeName;
+        unsigned long flags;
         int i;
 
         if (!argp)
                 return -EINVAL;
+        spin_lock_irqsave(&h->lock, flags);
         for (i = 0; i < 16; i++)
                 NodeName[i] = readb(&h->cfgtable->ServerName[i]);
+        spin_unlock_irqrestore(&h->lock, flags);
         if (copy_to_user(argp, NodeName, sizeof(NodeName_type)))
                 return -EFAULT;
         return 0;
@@ -1398,10 +1392,13 @@ static int cciss_setnodename(ctlr_info_t *h, void __user *argp)
 static int cciss_getheartbeat(ctlr_info_t *h, void __user *argp)
 {
         Heartbeat_type heartbeat;
+        unsigned long flags;
 
         if (!argp)
                 return -EINVAL;
+        spin_lock_irqsave(&h->lock, flags);
         heartbeat = readl(&h->cfgtable->HeartBeat);
+        spin_unlock_irqrestore(&h->lock, flags);
         if (copy_to_user(argp, &heartbeat, sizeof(Heartbeat_type)))
                 return -EFAULT;
         return 0;
@@ -1410,10 +1407,13 @@ static int cciss_getheartbeat(ctlr_info_t *h, void __user *argp)
 static int cciss_getbustypes(ctlr_info_t *h, void __user *argp)
 {
         BusTypes_type BusTypes;
+        unsigned long flags;
 
         if (!argp)
                 return -EINVAL;
+        spin_lock_irqsave(&h->lock, flags);
         BusTypes = readl(&h->cfgtable->BusTypes);
+        spin_unlock_irqrestore(&h->lock, flags);
         if (copy_to_user(argp, &BusTypes, sizeof(BusTypes_type)))
                 return -EFAULT;
         return 0;
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index 847107ef0cce..20dd52a2f92f 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -3002,7 +3002,8 @@ static int mtip_hw_debugfs_init(struct driver_data *dd)
 
 static void mtip_hw_debugfs_exit(struct driver_data *dd)
 {
-        debugfs_remove_recursive(dd->dfs_node);
+        if (dd->dfs_node)
+                debugfs_remove_recursive(dd->dfs_node);
 }
 
 
@@ -3863,7 +3864,7 @@ static void mtip_make_request(struct request_queue *queue, struct bio *bio)
         struct driver_data *dd = queue->queuedata;
         struct scatterlist *sg;
         struct bio_vec *bvec;
-        int nents = 0;
+        int i, nents = 0;
         int tag = 0, unaligned = 0;
 
         if (unlikely(dd->dd_flag & MTIP_DDF_STOP_IO)) {
@@ -3921,11 +3922,12 @@ static void mtip_make_request(struct request_queue *queue, struct bio *bio)
                 }
 
                 /* Create the scatter list for this bio. */
-                bio_for_each_segment(bvec, bio, nents) {
+                bio_for_each_segment(bvec, bio, i) {
                         sg_set_page(&sg[nents],
                                         bvec->bv_page,
                                         bvec->bv_len,
                                         bvec->bv_offset);
+                        nents++;
                 }
 
                 /* Issue the read/write. */
diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c
index 8efdfaa44a59..ce79a590b45b 100644
--- a/drivers/block/nvme-core.c
+++ b/drivers/block/nvme-core.c
@@ -629,7 +629,7 @@ static int nvme_submit_bio_queue(struct nvme_queue *nvmeq, struct nvme_ns *ns,
         struct nvme_command *cmnd;
         struct nvme_iod *iod;
         enum dma_data_direction dma_dir;
-        int cmdid, length, result = -ENOMEM;
+        int cmdid, length, result;
         u16 control;
         u32 dsmgmt;
         int psegs = bio_phys_segments(ns->queue, bio);
@@ -640,6 +640,7 @@ static int nvme_submit_bio_queue(struct nvme_queue *nvmeq, struct nvme_ns *ns,
                         return result;
         }
 
+        result = -ENOMEM;
         iod = nvme_alloc_iod(psegs, bio->bi_size, GFP_ATOMIC);
         if (!iod)
                 goto nomem;
@@ -977,6 +978,8 @@ static void nvme_cancel_ios(struct nvme_queue *nvmeq, bool timeout)
 
                 if (timeout && !time_after(now, info[cmdid].timeout))
                         continue;
+                if (info[cmdid].ctx == CMD_CTX_CANCELLED)
+                        continue;
                 dev_warn(nvmeq->q_dmadev, "Cancelling I/O %d\n", cmdid);
                 ctx = cancel_cmdid(nvmeq, cmdid, &fn);
                 fn(nvmeq->dev, ctx, &cqe);
@@ -1206,7 +1209,7 @@ struct nvme_iod *nvme_map_user_pages(struct nvme_dev *dev, int write,
 
         if (addr & 3)
                 return ERR_PTR(-EINVAL);
-        if (!length)
+        if (!length || length > INT_MAX - PAGE_SIZE)
                 return ERR_PTR(-EINVAL);
 
         offset = offset_in_page(addr);
@@ -1227,7 +1230,8 @@ struct nvme_iod *nvme_map_user_pages(struct nvme_dev *dev, int write,
         sg_init_table(sg, count);
         for (i = 0; i < count; i++) {
                 sg_set_page(&sg[i], pages[i],
-                                min_t(int, length, PAGE_SIZE - offset), offset);
+                            min_t(unsigned, length, PAGE_SIZE - offset),
+                            offset);
                 length -= (PAGE_SIZE - offset);
                 offset = 0;
         }
@@ -1435,7 +1439,7 @@ static int nvme_user_admin_cmd(struct nvme_dev *dev,
                 nvme_free_iod(dev, iod);
         }
 
-        if (!status && copy_to_user(&ucmd->result, &cmd.result,
+        if ((status >= 0) && copy_to_user(&ucmd->result, &cmd.result,
                                                         sizeof(cmd.result)))
                 status = -EFAULT;
 
@@ -1633,7 +1637,8 @@ static int set_queue_count(struct nvme_dev *dev, int count)
 
 static int nvme_setup_io_queues(struct nvme_dev *dev)
 {
-        int result, cpu, i, nr_io_queues, db_bar_size, q_depth;
+        struct pci_dev *pdev = dev->pci_dev;
+        int result, cpu, i, nr_io_queues, db_bar_size, q_depth, q_count;
 
         nr_io_queues = num_online_cpus();
         result = set_queue_count(dev, nr_io_queues);
@@ -1642,14 +1647,14 @@ static int nvme_setup_io_queues(struct nvme_dev *dev)
         if (result < nr_io_queues)
                 nr_io_queues = result;
 
+        q_count = nr_io_queues;
         /* Deregister the admin queue's interrupt */
         free_irq(dev->entry[0].vector, dev->queues[0]);
 
         db_bar_size = 4096 + ((nr_io_queues + 1) << (dev->db_stride + 3));
         if (db_bar_size > 8192) {
                 iounmap(dev->bar);
-                dev->bar = ioremap(pci_resource_start(dev->pci_dev, 0),
-                                                                db_bar_size);
+                dev->bar = ioremap(pci_resource_start(pdev, 0), db_bar_size);
                 dev->dbs = ((void __iomem *)dev->bar) + 4096;
                 dev->queues[0]->q_db = dev->dbs;
         }
@@ -1657,19 +1662,36 @@ static int nvme_setup_io_queues(struct nvme_dev *dev)
         for (i = 0; i < nr_io_queues; i++)
                 dev->entry[i].entry = i;
         for (;;) {
-                result = pci_enable_msix(dev->pci_dev, dev->entry,
-                                                                nr_io_queues);
+                result = pci_enable_msix(pdev, dev->entry, nr_io_queues);
                 if (result == 0) {
                         break;
                 } else if (result > 0) {
                         nr_io_queues = result;
                         continue;
                 } else {
-                        nr_io_queues = 1;
+                        nr_io_queues = 0;
                         break;
                 }
         }
 
+        if (nr_io_queues == 0) {
+                nr_io_queues = q_count;
+                for (;;) {
+                        result = pci_enable_msi_block(pdev, nr_io_queues);
+                        if (result == 0) {
+                                for (i = 0; i < nr_io_queues; i++)
+                                        dev->entry[i].vector = i + pdev->irq;
+                                break;
+                        } else if (result > 0) {
+                                nr_io_queues = result;
+                                continue;
+                        } else {
+                                nr_io_queues = 1;
+                                break;
+                        }
+                }
+        }
+
         result = queue_request_irq(dev, dev->queues[0], "nvme admin");
         /* XXX: handle failure here */
 
@@ -1850,7 +1872,10 @@ static void nvme_free_dev(struct kref *kref)
 {
         struct nvme_dev *dev = container_of(kref, struct nvme_dev, kref);
         nvme_dev_remove(dev);
-        pci_disable_msix(dev->pci_dev);
+        if (dev->pci_dev->msi_enabled)
+                pci_disable_msi(dev->pci_dev);
+        else if (dev->pci_dev->msix_enabled)
+                pci_disable_msix(dev->pci_dev);
         iounmap(dev->bar);
         nvme_release_instance(dev);
         nvme_release_prp_pools(dev);
@@ -1923,8 +1948,14 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
         INIT_LIST_HEAD(&dev->namespaces);
         dev->pci_dev = pdev;
         pci_set_drvdata(pdev, dev);
-        dma_set_mask(&pdev->dev, DMA_BIT_MASK(64));
-        dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
+
+        if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)))
+                dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
+        else if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)))
+                dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
+        else
+                goto disable;
+
         result = nvme_set_instance(dev);
         if (result)
                 goto disable;
@@ -1977,7 +2008,10 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
  unmap:
         iounmap(dev->bar);
  disable_msix:
-        pci_disable_msix(pdev);
+        if (dev->pci_dev->msi_enabled)
+                pci_disable_msi(dev->pci_dev);
+        else if (dev->pci_dev->msix_enabled)
+                pci_disable_msix(dev->pci_dev);
         nvme_release_instance(dev);
         nvme_release_prp_pools(dev);
  disable:
diff --git a/drivers/block/nvme-scsi.c b/drivers/block/nvme-scsi.c
index fed54b039893..102de2f52b5c 100644
--- a/drivers/block/nvme-scsi.c
+++ b/drivers/block/nvme-scsi.c
@@ -44,7 +44,6 @@
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/types.h>
-#include <linux/version.h>
 #include <scsi/sg.h>
 #include <scsi/scsi.h>
 
@@ -1654,7 +1653,7 @@ static void nvme_trans_modesel_save_bd(struct nvme_ns *ns, u8 *parm_list,
         }
 }
 
-static u16 nvme_trans_modesel_get_mp(struct nvme_ns *ns, struct sg_io_hdr *hdr,
+static int nvme_trans_modesel_get_mp(struct nvme_ns *ns, struct sg_io_hdr *hdr,
                                         u8 *mode_page, u8 page_code)
 {
         int res = SNTI_TRANSLATION_SUCCESS;
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 3c08983e600a..f5d0ea11d9fd 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -83,7 +83,8 @@
 
 #define MAX_SPEED 0xffff
 
-#define ZONE(sector, pd) (((sector) + (pd)->offset) & ~((pd)->settings.size - 1))
+#define ZONE(sector, pd) (((sector) + (pd)->offset) & \
+                        ~(sector_t)((pd)->settings.size - 1))
 
 static DEFINE_MUTEX(pktcdvd_mutex);
 static struct pktcdvd_device *pkt_devs[MAX_WRITERS];
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index d6d314027b5d..49394e3f31bc 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -519,8 +519,8 @@ static const struct block_device_operations rbd_bd_ops = {
 };
 
 /*
- * Initialize an rbd client instance.
- * We own *ceph_opts.
+ * Initialize an rbd client instance.  Success or not, this function
+ * consumes ceph_opts.
  */
 static struct rbd_client *rbd_client_create(struct ceph_options *ceph_opts)
 {
@@ -675,7 +675,8 @@ static int parse_rbd_opts_token(char *c, void *private)
 
 /*
  * Get a ceph client with specific addr and configuration, if one does
- * not exist create it.
+ * not exist create it.  Either way, ceph_opts is consumed by this
+ * function.
  */
 static struct rbd_client *rbd_get_client(struct ceph_options *ceph_opts)
 {
@@ -1035,12 +1036,16 @@ static const char *rbd_segment_name(struct rbd_device *rbd_dev, u64 offset)
         char *name;
         u64 segment;
         int ret;
+        char *name_format;
 
         name = kmem_cache_alloc(rbd_segment_name_cache, GFP_NOIO);
         if (!name)
                 return NULL;
         segment = offset >> rbd_dev->header.obj_order;
-        ret = snprintf(name, MAX_OBJ_NAME_SIZE + 1, "%s.%012llx",
+        name_format = "%s.%012llx";
+        if (rbd_dev->image_format == 2)
+                name_format = "%s.%016llx";
+        ret = snprintf(name, MAX_OBJ_NAME_SIZE + 1, name_format,
                         rbd_dev->header.object_prefix, segment);
         if (ret < 0 || ret > MAX_OBJ_NAME_SIZE) {
                 pr_err("error formatting segment name for #%llu (%d)\n",
@@ -4697,8 +4702,10 @@ out:
         return ret;
 }
 
-/* Undo whatever state changes are made by v1 or v2 image probe */
-
+/*
+ * Undo whatever state changes are made by v1 or v2 header info
+ * call.
+ */
 static void rbd_dev_unprobe(struct rbd_device *rbd_dev)
 {
         struct rbd_image_header *header;
@@ -4902,9 +4909,10 @@ static int rbd_dev_image_probe(struct rbd_device *rbd_dev, bool mapping)
         int tmp;
 
         /*
-         * Get the id from the image id object.  If it's not a
-         * format 2 image, we'll get ENOENT back, and we'll assume
-         * it's a format 1 image.
+         * Get the id from the image id object.  Unless there's an
+         * error, rbd_dev->spec->image_id will be filled in with
+         * a dynamically-allocated string, and rbd_dev->image_format
+         * will be set to either 1 or 2.
          */
         ret = rbd_dev_image_id(rbd_dev);
         if (ret)
@@ -4992,7 +5000,6 @@ static ssize_t rbd_add(struct bus_type *bus,
                 rc = PTR_ERR(rbdc);
                 goto err_out_args;
         }
-        ceph_opts = NULL;       /* rbd_dev client now owns this */
 
         /* pick the pool */
         osdc = &rbdc->client->osdc;
@@ -5027,18 +5034,18 @@ static ssize_t rbd_add(struct bus_type *bus,
         rbd_dev->mapping.read_only = read_only;
 
         rc = rbd_dev_device_setup(rbd_dev);
-        if (!rc)
-                return count;
+        if (rc) {
+                rbd_dev_image_release(rbd_dev);
+                goto err_out_module;
+        }
+
+        return count;
 
-        rbd_dev_image_release(rbd_dev);
 err_out_rbd_dev:
         rbd_dev_destroy(rbd_dev);
 err_out_client:
         rbd_put_client(rbdc);
 err_out_args:
-        if (ceph_opts)
-                ceph_destroy_options(ceph_opts);
-        kfree(rbd_opts);
         rbd_spec_put(spec);
 err_out_module:
         module_put(THIS_MODULE);
diff --git a/drivers/block/xsysace.c b/drivers/block/xsysace.c
index f8ef15f37c5e..3fd130fdfbc1 100644
--- a/drivers/block/xsysace.c
+++ b/drivers/block/xsysace.c
@@ -1160,8 +1160,7 @@ static int ace_probe(struct platform_device *dev)
         dev_dbg(&dev->dev, "ace_probe(%p)\n", dev);
 
         /* device id and bus width */
-        of_property_read_u32(dev->dev.of_node, "port-number", &id);
-        if (id < 0)
+        if (of_property_read_u32(dev->dev.of_node, "port-number", &id))
                 id = 0;
         if (of_find_property(dev->dev.of_node, "8-bit", NULL))
                 bus_width = ACE_BUS_WIDTH_8;
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index fdfd61a2d523..11a6104a1e4f 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -201,7 +201,7 @@ config BT_MRVL
           The core driver to support Marvell Bluetooth devices.
 
           This driver is required if you want to support
-          Marvell Bluetooth devices, such as 8688/8787/8797.
+          Marvell Bluetooth devices, such as 8688/8787/8797/8897.
 
           Say Y here to compile Marvell Bluetooth driver
           into the kernel or say M to compile it as module.
@@ -214,7 +214,7 @@ config BT_MRVL_SDIO
           The driver for Marvell Bluetooth chipsets with SDIO interface.
 
           This driver is required if you want to use Marvell Bluetooth
-          devices with SDIO interface. Currently SD8688/SD8787/SD8797
+          devices with SDIO interface. Currently SD8688/SD8787/SD8797/SD8897
           chipsets are supported.
 
           Say Y here to compile support for Marvell BT-over-SDIO driver
diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c
index c63488c54f4a..13693b7a0d5c 100644
--- a/drivers/bluetooth/btmrvl_sdio.c
+++ b/drivers/bluetooth/btmrvl_sdio.c
@@ -82,6 +82,23 @@ static const struct btmrvl_sdio_card_reg btmrvl_reg_87xx = {
         .io_port_2 = 0x7a,
 };
 
+static const struct btmrvl_sdio_card_reg btmrvl_reg_88xx = {
+        .cfg = 0x00,
+        .host_int_mask = 0x02,
+        .host_intstatus = 0x03,
+        .card_status = 0x50,
+        .sq_read_base_addr_a0 = 0x60,
+        .sq_read_base_addr_a1 = 0x61,
+        .card_revision = 0xbc,
+        .card_fw_status0 = 0xc0,
+        .card_fw_status1 = 0xc1,
+        .card_rx_len = 0xc2,
+        .card_rx_unit = 0xc3,
+        .io_port_0 = 0xd8,
+        .io_port_1 = 0xd9,
+        .io_port_2 = 0xda,
+};
+
 static const struct btmrvl_sdio_device btmrvl_sdio_sd8688 = {
         .helper         = "mrvl/sd8688_helper.bin",
         .firmware       = "mrvl/sd8688.bin",
@@ -103,6 +120,13 @@ static const struct btmrvl_sdio_device btmrvl_sdio_sd8797 = {
         .sd_blksz_fw_dl = 256,
 };
 
+static const struct btmrvl_sdio_device btmrvl_sdio_sd8897 = {
+        .helper         = NULL,
+        .firmware       = "mrvl/sd8897_uapsta.bin",
+        .reg            = &btmrvl_reg_88xx,
+        .sd_blksz_fw_dl = 256,
+};
+
 static const struct sdio_device_id btmrvl_sdio_ids[] = {
         /* Marvell SD8688 Bluetooth device */
         { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9105),
@@ -116,6 +140,9 @@ static const struct sdio_device_id btmrvl_sdio_ids[] = {
         /* Marvell SD8797 Bluetooth device */
         { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912A),
                         .driver_data = (unsigned long) &btmrvl_sdio_sd8797 },
+        /* Marvell SD8897 Bluetooth device */
+        { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912E),
+                        .driver_data = (unsigned long) &btmrvl_sdio_sd8897 },
 
         { }     /* Terminating entry */
 };
@@ -1194,3 +1221,4 @@ MODULE_FIRMWARE("mrvl/sd8688_helper.bin");
 MODULE_FIRMWARE("mrvl/sd8688.bin");
 MODULE_FIRMWARE("mrvl/sd8787_uapsta.bin");
 MODULE_FIRMWARE("mrvl/sd8797_uapsta.bin");
+MODULE_FIRMWARE("mrvl/sd8897_uapsta.bin");
diff --git a/drivers/char/random.c b/drivers/char/random.c
index cd9a6211dcad..35487e8ded59 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -865,16 +865,24 @@ static size_t account(struct entropy_store *r, size_t nbytes, int min,
         if (r->entropy_count / 8 < min + reserved) {
                 nbytes = 0;
         } else {
+                int entropy_count, orig;
+retry:
+                entropy_count = orig = ACCESS_ONCE(r->entropy_count);
                 /* If limited, never pull more than available */
-                if (r->limit && nbytes + reserved >= r->entropy_count / 8)
-                        nbytes = r->entropy_count/8 - reserved;
-
-                if (r->entropy_count / 8 >= nbytes + reserved)
-                        r->entropy_count -= nbytes*8;
-                else
-                        r->entropy_count = reserved;
+                if (r->limit && nbytes + reserved >= entropy_count / 8)
+                        nbytes = entropy_count/8 - reserved;
+
+                if (entropy_count / 8 >= nbytes + reserved) {
+                        entropy_count -= nbytes*8;
+                        if (cmpxchg(&r->entropy_count, orig, entropy_count) != orig)
+                                goto retry;
+                } else {
+                        entropy_count = reserved;
+                        if (cmpxchg(&r->entropy_count, orig, entropy_count) != orig)
+                                goto retry;
+                }
 
-                if (r->entropy_count < random_write_wakeup_thresh)
+                if (entropy_count < random_write_wakeup_thresh)
                         wakeup_write = 1;
         }
 
@@ -957,10 +965,23 @@ static ssize_t extract_entropy(struct entropy_store *r, void *buf,
 {
         ssize_t ret = 0, i;
         __u8 tmp[EXTRACT_SIZE];
+        unsigned long flags;
 
         /* if last_data isn't primed, we need EXTRACT_SIZE extra bytes */
-        if (fips_enabled && !r->last_data_init)
-                nbytes += EXTRACT_SIZE;
+        if (fips_enabled) {
+                spin_lock_irqsave(&r->lock, flags);
+                if (!r->last_data_init) {
+                        r->last_data_init = true;
+                        spin_unlock_irqrestore(&r->lock, flags);
+                        trace_extract_entropy(r->name, EXTRACT_SIZE,
+                                              r->entropy_count, _RET_IP_);
+                        xfer_secondary_pool(r, EXTRACT_SIZE);
+                        extract_buf(r, tmp);
+                        spin_lock_irqsave(&r->lock, flags);
+                        memcpy(r->last_data, tmp, EXTRACT_SIZE);
+                }
+                spin_unlock_irqrestore(&r->lock, flags);
+        }
 
         trace_extract_entropy(r->name, nbytes, r->entropy_count, _RET_IP_);
         xfer_secondary_pool(r, nbytes);
@@ -970,19 +991,6 @@ static ssize_t extract_entropy(struct entropy_store *r, void *buf,
                 extract_buf(r, tmp);
 
                 if (fips_enabled) {
-                        unsigned long flags;
-
-
-                        /* prime last_data value if need be, per fips 140-2 */
-                        if (!r->last_data_init) {
-                                spin_lock_irqsave(&r->lock, flags);
-                                memcpy(r->last_data, tmp, EXTRACT_SIZE);
-                                r->last_data_init = true;
-                                nbytes -= EXTRACT_SIZE;
-                                spin_unlock_irqrestore(&r->lock, flags);
-                                extract_buf(r, tmp);
-                        }
-
                         spin_lock_irqsave(&r->lock, flags);
                         if (!memcmp(tmp, r->last_data, EXTRACT_SIZE))
                                 panic("Hardware RNG duplicated output!\n");
diff --git a/drivers/clk/clk-si5351.c b/drivers/clk/clk-si5351.c
index 892728412e9d..24f553673b72 100644
--- a/drivers/clk/clk-si5351.c
+++ b/drivers/clk/clk-si5351.c
@@ -932,7 +932,7 @@ static unsigned long si5351_clkout_recalc_rate(struct clk_hw *hw,
         unsigned char reg;
         unsigned char rdiv;
 
-        if (hwdata->num > 5)
+        if (hwdata->num <= 5)
                 reg = si5351_msynth_params_address(hwdata->num) + 2;
         else
                 reg = SI5351_CLK6_7_OUTPUT_DIVIDER;
@@ -1477,6 +1477,16 @@ static int si5351_i2c_probe(struct i2c_client *client,
                         return -EINVAL;
                 }
                 drvdata->onecell.clks[n] = clk;
+
+                /* set initial clkout rate */
+                if (pdata->clkout[n].rate != 0) {
+                        int ret;
+                        ret = clk_set_rate(clk, pdata->clkout[n].rate);
+                        if (ret != 0) {
+                                dev_err(&client->dev, "Cannot set rate : %d\n",
+                                        ret);
+                        }
+                }
         }
 
         ret = of_clk_add_provider(client->dev.of_node, of_clk_src_onecell_get,
diff --git a/drivers/clk/clk-vt8500.c b/drivers/clk/clk-vt8500.c
index debf688afa8e..553ac35bcc91 100644
--- a/drivers/clk/clk-vt8500.c
+++ b/drivers/clk/clk-vt8500.c
@@ -183,7 +183,7 @@ static int vt8500_dclk_set_rate(struct clk_hw *hw, unsigned long rate,
         writel(divisor, cdev->div_reg);
         vt8500_pmc_wait_busy();
 
-        spin_lock_irqsave(cdev->lock, flags);
+        spin_unlock_irqrestore(cdev->lock, flags);
 
         return 0;
 }
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 934cfd18f72d..1144e8c7579d 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -1955,6 +1955,7 @@ int clk_notifier_unregister(struct clk *clk, struct notifier_block *nb)
                 /* XXX the notifier code should handle this better */
                 if (!cn->notifier_head.head) {
                         srcu_cleanup_notifier_head(&cn->notifier_head);
+                        list_del(&cn->node);
                         kfree(cn);
                 }
 
diff --git a/drivers/clk/mxs/clk-imx28.c b/drivers/clk/mxs/clk-imx28.c
index d0e5eed146de..4faf0afc44cd 100644
--- a/drivers/clk/mxs/clk-imx28.c
+++ b/drivers/clk/mxs/clk-imx28.c
@@ -10,6 +10,7 @@
  */
 
 #include <linux/clk.h>
+#include <linux/clk/mxs.h>
 #include <linux/clkdev.h>
 #include <linux/err.h>
 #include <linux/init.h>
diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c
index d0940e69d034..3c1f88868f29 100644
--- a/drivers/clk/samsung/clk-exynos4.c
+++ b/drivers/clk/samsung/clk-exynos4.c
@@ -791,7 +791,8 @@ struct samsung_gate_clock exynos4210_gate_clks[] __initdata = {
         GATE(smmu_pcie, "smmu_pcie", "aclk133", GATE_IP_FSYS, 18, 0, 0),
         GATE(modemif, "modemif", "aclk100", GATE_IP_PERIL, 28, 0, 0),
         GATE(chipid, "chipid", "aclk100", E4210_GATE_IP_PERIR, 0, 0, 0),
-        GATE(sysreg, "sysreg", "aclk100", E4210_GATE_IP_PERIR, 0, 0, 0),
+        GATE(sysreg, "sysreg", "aclk100", E4210_GATE_IP_PERIR, 0,
+                        CLK_IGNORE_UNUSED, 0),
         GATE(hdmi_cec, "hdmi_cec", "aclk100", E4210_GATE_IP_PERIR, 11, 0, 0),
         GATE(smmu_rotator, "smmu_rotator", "aclk200",
                         E4210_GATE_IP_IMAGE, 4, 0, 0),
@@ -819,7 +820,8 @@ struct samsung_gate_clock exynos4x12_gate_clks[] __initdata = {
         GATE(smmu_mdma, "smmu_mdma", "aclk200", E4X12_GATE_IP_IMAGE, 5, 0, 0),
         GATE(mipi_hsi, "mipi_hsi", "aclk133", GATE_IP_FSYS, 10, 0, 0),
         GATE(chipid, "chipid", "aclk100", E4X12_GATE_IP_PERIR, 0, 0, 0),
-        GATE(sysreg, "sysreg", "aclk100", E4X12_GATE_IP_PERIR, 1, 0, 0),
+        GATE(sysreg, "sysreg", "aclk100", E4X12_GATE_IP_PERIR, 1,
+                        CLK_IGNORE_UNUSED, 0),
         GATE(hdmi_cec, "hdmi_cec", "aclk100", E4X12_GATE_IP_PERIR, 11, 0, 0),
         GATE(sclk_mdnie0, "sclk_mdnie0", "div_mdnie0",
                         SRC_MASK_LCD0, 4, CLK_SET_RATE_PARENT, 0),
diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c
index 5c97e75924a8..22d7699e7ced 100644
--- a/drivers/clk/samsung/clk-exynos5250.c
+++ b/drivers/clk/samsung/clk-exynos5250.c
@@ -155,7 +155,7 @@ static __initdata unsigned long exynos5250_clk_regs[] = {
 
 /* list of all parent clock list */
 PNAME(mout_apll_p)      = { "fin_pll", "fout_apll", };
-PNAME(mout_cpu_p)       = { "mout_apll", "mout_mpll", };
+PNAME(mout_cpu_p)       = { "mout_apll", "sclk_mpll", };
 PNAME(mout_mpll_fout_p) = { "fout_mplldiv2", "fout_mpll" };
 PNAME(mout_mpll_p)      = { "fin_pll", "mout_mpll_fout" };
 PNAME(mout_bpll_fout_p) = { "fout_bplldiv2", "fout_bpll" };
@@ -208,10 +208,10 @@ struct samsung_fixed_factor_clock exynos5250_fixed_factor_clks[] __initdata = {
 };
 
 struct samsung_mux_clock exynos5250_mux_clks[] __initdata = {
-        MUX(none, "mout_apll", mout_apll_p, SRC_CPU, 0, 1),
-        MUX(none, "mout_cpu", mout_cpu_p, SRC_CPU, 16, 1),
+        MUX_A(none, "mout_apll", mout_apll_p, SRC_CPU, 0, 1, "mout_apll"),
+        MUX_A(none, "mout_cpu", mout_cpu_p, SRC_CPU, 16, 1, "mout_cpu"),
         MUX(none, "mout_mpll_fout", mout_mpll_fout_p, PLL_DIV2_SEL, 4, 1),
-        MUX(none, "sclk_mpll", mout_mpll_p, SRC_CORE1, 8, 1),
+        MUX_A(none, "sclk_mpll", mout_mpll_p, SRC_CORE1, 8, 1, "mout_mpll"),
         MUX(none, "mout_bpll_fout", mout_bpll_fout_p, PLL_DIV2_SEL, 0, 1),
         MUX(none, "sclk_bpll", mout_bpll_p, SRC_CDREX, 0, 1),
         MUX(none, "mout_vpllsrc", mout_vpllsrc_p, SRC_TOP2, 0, 1),
@@ -378,7 +378,7 @@ struct samsung_gate_clock exynos5250_gate_clks[] __initdata = {
         GATE(hsi2c3, "hsi2c3", "aclk66", GATE_IP_PERIC, 31, 0, 0),
         GATE(chipid, "chipid", "aclk66", GATE_IP_PERIS, 0, 0, 0),
         GATE(sysreg, "sysreg", "aclk66", GATE_IP_PERIS, 1, 0, 0),
-        GATE(pmu, "pmu", "aclk66", GATE_IP_PERIS, 2, 0, 0),
+        GATE(pmu, "pmu", "aclk66", GATE_IP_PERIS, 2, CLK_IGNORE_UNUSED, 0),
         GATE(tzpc0, "tzpc0", "aclk66", GATE_IP_PERIS, 6, 0, 0),
         GATE(tzpc1, "tzpc1", "aclk66", GATE_IP_PERIS, 7, 0, 0),
         GATE(tzpc2, "tzpc2", "aclk66", GATE_IP_PERIS, 8, 0, 0),
diff --git a/drivers/clk/samsung/clk-pll.c b/drivers/clk/samsung/clk-pll.c
index 89135f6be116..362f12dcd944 100644
--- a/drivers/clk/samsung/clk-pll.c
+++ b/drivers/clk/samsung/clk-pll.c
@@ -111,7 +111,8 @@ static unsigned long samsung_pll36xx_recalc_rate(struct clk_hw *hw,
                                 unsigned long parent_rate)
 {
         struct samsung_clk_pll36xx *pll = to_clk_pll36xx(hw);
-        u32 mdiv, pdiv, sdiv, kdiv, pll_con0, pll_con1;
+        u32 mdiv, pdiv, sdiv, pll_con0, pll_con1;
+        s16 kdiv;
         u64 fvco = parent_rate;
 
         pll_con0 = __raw_readl(pll->con_reg);
@@ -119,7 +120,7 @@ static unsigned long samsung_pll36xx_recalc_rate(struct clk_hw *hw,
         mdiv = (pll_con0 >> PLL36XX_MDIV_SHIFT) & PLL36XX_MDIV_MASK;
         pdiv = (pll_con0 >> PLL36XX_PDIV_SHIFT) & PLL36XX_PDIV_MASK;
         sdiv = (pll_con0 >> PLL36XX_SDIV_SHIFT) & PLL36XX_SDIV_MASK;
-        kdiv = pll_con1 & PLL36XX_KDIV_MASK;
+        kdiv = (s16)(pll_con1 & PLL36XX_KDIV_MASK);
 
         fvco *= (mdiv << 16) + kdiv;
         do_div(fvco, (pdiv << sdiv));
diff --git a/drivers/clk/spear/spear3xx_clock.c b/drivers/clk/spear/spear3xx_clock.c
index f9ec43fd1320..080c3c5e33f6 100644
--- a/drivers/clk/spear/spear3xx_clock.c
+++ b/drivers/clk/spear/spear3xx_clock.c
@@ -369,7 +369,7 @@ static void __init spear320_clk_init(void __iomem *soc_config_base)
         clk_register_clkdev(clk, NULL, "60100000.serial");
 }
 #else
-static inline void spear320_clk_init(void) { }
+static inline void spear320_clk_init(void __iomem *soc_config_base) { }
 #endif
 
 void __init spear3xx_clk_init(void __iomem *misc_base, void __iomem *soc_config_base)
diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c
index 8292a00c3de9..075db0c99edb 100644
--- a/drivers/clk/tegra/clk-tegra20.c
+++ b/drivers/clk/tegra/clk-tegra20.c
@@ -872,6 +872,14 @@ static void __init tegra20_periph_clk_init(void)
         struct clk *clk;
         int i;
 
+        /* ac97 */
+        clk = tegra_clk_register_periph_gate("ac97", "pll_a_out0",
+                                    TEGRA_PERIPH_ON_APB,
+                                    clk_base, 0, 3, &periph_l_regs,
+                                    periph_clk_enb_refcnt);
+        clk_register_clkdev(clk, NULL, "tegra20-ac97");
+        clks[ac97] = clk;
+
         /* apbdma */
         clk = tegra_clk_register_periph_gate("apbdma", "pclk", 0, clk_base,
                                     0, 34, &periph_h_regs,
@@ -1234,9 +1242,6 @@ static __initdata struct tegra_clk_init_table init_table[] = {
         {uartc, pll_p, 0, 0},
         {uartd, pll_p, 0, 0},
         {uarte, pll_p, 0, 0},
-        {usbd, clk_max, 12000000, 0},
-        {usb2, clk_max, 12000000, 0},
-        {usb3, clk_max, 12000000, 0},
         {pll_a, clk_max, 56448000, 1},
         {pll_a_out0, clk_max, 11289600, 1},
         {cdev1, clk_max, 0, 1},
diff --git a/drivers/clk/tegra/clk-tegra30.c b/drivers/clk/tegra/clk-tegra30.c
index c6921f538e28..ba99e3844106 100644
--- a/drivers/clk/tegra/clk-tegra30.c
+++ b/drivers/clk/tegra/clk-tegra30.c
@@ -1598,6 +1598,12 @@ static void __init tegra30_periph_clk_init(void)
         clk_register_clkdev(clk, "afi", "tegra-pcie");
         clks[afi] = clk;
 
+        /* pciex */
+        clk = tegra_clk_register_periph_gate("pciex", "pll_e", 0, clk_base, 0,
+                                    74, &periph_u_regs, periph_clk_enb_refcnt);
+        clk_register_clkdev(clk, "pciex", "tegra-pcie");
+        clks[pciex] = clk;
+
         /* kfuse */
         clk = tegra_clk_register_periph_gate("kfuse", "clk_m",
                                     TEGRA_PERIPH_ON_APB,
@@ -1716,11 +1722,6 @@ static void __init tegra30_fixed_clk_init(void)
                                 1, 0, &cml_lock);
         clk_register_clkdev(clk, "cml1", NULL);
         clks[cml1] = clk;
-
-        /* pciex */
-        clk = clk_register_fixed_rate(NULL, "pciex", "pll_e", 0, 100000000);
-        clk_register_clkdev(clk, "pciex", NULL);
-        clks[pciex] = clk;
 }
 
 static void __init tegra30_osc_clk_init(void)
diff --git a/drivers/clk/ux500/clk-sysctrl.c b/drivers/clk/ux500/clk-sysctrl.c
index bc7e9bde792b..e364c9d4aa60 100644
--- a/drivers/clk/ux500/clk-sysctrl.c
+++ b/drivers/clk/ux500/clk-sysctrl.c
@@ -145,7 +145,13 @@ static struct clk *clk_reg_sysctrl(struct device *dev,
                 return ERR_PTR(-ENOMEM);
         }
 
-        for (i = 0; i < num_parents; i++) {
+        /* set main clock registers */
+        clk->reg_sel[0] = reg_sel[0];
+        clk->reg_bits[0] = reg_bits[0];
+        clk->reg_mask[0] = reg_mask[0];
+
+        /* handle clocks with more than one parent */
+        for (i = 1; i < num_parents; i++) {
                 clk->reg_sel[i] = reg_sel[i];
                 clk->reg_bits[i] = reg_bits[i];
                 clk->reg_mask[i] = reg_mask[i];
diff --git a/drivers/clk/ux500/u8500_clk.c b/drivers/clk/ux500/u8500_clk.c
index 0b4f35a5ffc2..80069c370a47 100644
--- a/drivers/clk/ux500/u8500_clk.c
+++ b/drivers/clk/ux500/u8500_clk.c
@@ -325,7 +325,7 @@ void u8500_clk_init(u32 clkrst1_base, u32 clkrst2_base, u32 clkrst3_base,
         clk = clk_reg_prcc_pclk("p3_pclk0", "per3clk", clkrst3_base,
                                 BIT(0), 0);
         clk_register_clkdev(clk, "fsmc", NULL);
-        clk_register_clkdev(clk, NULL, "smsc911x");
+        clk_register_clkdev(clk, NULL, "smsc911x.0");
 
         clk = clk_reg_prcc_pclk("p3_pclk1", "per3clk", clkrst3_base,
                                 BIT(1), 0);
diff --git a/drivers/clk/x86/clk-lpt.c b/drivers/clk/x86/clk-lpt.c
index 5cf4f4686406..4f45eee9e33b 100644
--- a/drivers/clk/x86/clk-lpt.c
+++ b/drivers/clk/x86/clk-lpt.c
@@ -15,22 +15,29 @@
 #include <linux/clk-provider.h>
 #include <linux/err.h>
 #include <linux/module.h>
+#include <linux/platform_data/clk-lpss.h>
 #include <linux/platform_device.h>
 
 #define PRV_CLOCK_PARAMS 0x800
 
 static int lpt_clk_probe(struct platform_device *pdev)
 {
+        struct lpss_clk_data *drvdata;
         struct clk *clk;
 
+        drvdata = devm_kzalloc(&pdev->dev, sizeof(*drvdata), GFP_KERNEL);
+        if (!drvdata)
+                return -ENOMEM;
+
         /* LPSS free running clock */
-        clk = clk_register_fixed_rate(&pdev->dev, "lpss_clk", NULL, CLK_IS_ROOT,
-                                      100000000);
+        drvdata->name = "lpss_clk";
+        clk = clk_register_fixed_rate(&pdev->dev, drvdata->name, NULL,
+                                      CLK_IS_ROOT, 100000000);
         if (IS_ERR(clk))
                 return PTR_ERR(clk);
 
-        /* Shared DMA clock */
-        clk_register_clkdev(clk, "hclk", "INTL9C60.0.auto");
+        drvdata->clk = clk;
+        platform_set_drvdata(pdev, drvdata);
         return 0;
 }
 
diff --git a/drivers/cpufreq/Kconfig.x86 b/drivers/cpufreq/Kconfig.x86
index 2b8a8c374548..6bd63d63d356 100644
--- a/drivers/cpufreq/Kconfig.x86
+++ b/drivers/cpufreq/Kconfig.x86
@@ -272,7 +272,7 @@ config X86_LONGHAUL
 config X86_E_POWERSAVER
         tristate "VIA C7 Enhanced PowerSaver (DANGEROUS)"
         select CPU_FREQ_TABLE
-        depends on X86_32
+        depends on X86_32 && ACPI_PROCESSOR
         help
           This adds the CPUFreq driver for VIA C7 processors.  However, this driver
           does not have any safeguards to prevent operating the CPU out of spec
diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
index 11b8b4b54ceb..edc089e9d0c4 100644
--- a/drivers/cpufreq/acpi-cpufreq.c
+++ b/drivers/cpufreq/acpi-cpufreq.c
@@ -347,11 +347,11 @@ static u32 get_cur_val(const struct cpumask *mask)
         switch (per_cpu(acfreq_data, cpumask_first(mask))->cpu_feature) {
         case SYSTEM_INTEL_MSR_CAPABLE:
                 cmd.type = SYSTEM_INTEL_MSR_CAPABLE;
-                cmd.addr.msr.reg = MSR_IA32_PERF_STATUS;
+                cmd.addr.msr.reg = MSR_IA32_PERF_CTL;
                 break;
         case SYSTEM_AMD_MSR_CAPABLE:
                 cmd.type = SYSTEM_AMD_MSR_CAPABLE;
-                cmd.addr.msr.reg = MSR_AMD_PERF_STATUS;
+                cmd.addr.msr.reg = MSR_AMD_PERF_CTL;
                 break;
         case SYSTEM_IO_CAPABLE:
                 cmd.type = SYSTEM_IO_CAPABLE;
diff --git a/drivers/cpufreq/arm_big_little_dt.c b/drivers/cpufreq/arm_big_little_dt.c
index 173ed059d95f..fd9e3ea6a480 100644
--- a/drivers/cpufreq/arm_big_little_dt.c
+++ b/drivers/cpufreq/arm_big_little_dt.c
@@ -19,70 +19,75 @@
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
+#include <linux/cpu.h>
 #include <linux/cpufreq.h>
 #include <linux/device.h>
 #include <linux/export.h>
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/opp.h>
+#include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/types.h>
 #include "arm_big_little.h"
 
-static int dt_init_opp_table(struct device *cpu_dev)
+/* get cpu node with valid operating-points */
+static struct device_node *get_cpu_node_with_valid_op(int cpu)
 {
-        struct device_node *np, *parent;
-        int count = 0, ret;
+        struct device_node *np = NULL, *parent;
+        int count = 0;
 
         parent = of_find_node_by_path("/cpus");
         if (!parent) {
                 pr_err("failed to find OF /cpus\n");
-                return -ENOENT;
+                return NULL;
         }
 
         for_each_child_of_node(parent, np) {
-                if (count++ != cpu_dev->id)
+                if (count++ != cpu)
                         continue;
                 if (!of_get_property(np, "operating-points", NULL)) {
-                        ret = -ENODATA;
-                } else {
-                        cpu_dev->of_node = np;
-                        ret = of_init_opp_table(cpu_dev);
+                        of_node_put(np);
+                        np = NULL;
                 }
-                of_node_put(np);
-                of_node_put(parent);
 
-                return ret;
+                break;
         }
 
-        return -ENODEV;
+        of_node_put(parent);
+        return np;
+}
+
+static int dt_init_opp_table(struct device *cpu_dev)
+{
+        struct device_node *np;
+        int ret;
+
+        np = get_cpu_node_with_valid_op(cpu_dev->id);
+        if (!np)
+                return -ENODATA;
+
+        cpu_dev->of_node = np;
+        ret = of_init_opp_table(cpu_dev);
+        of_node_put(np);
+
+        return ret;
 }
 
 static int dt_get_transition_latency(struct device *cpu_dev)
 {
-        struct device_node *np, *parent;
+        struct device_node *np;
         u32 transition_latency = CPUFREQ_ETERNAL;
-        int count = 0;
 
-        parent = of_find_node_by_path("/cpus");
-        if (!parent) {
-                pr_info("Failed to find OF /cpus. Use CPUFREQ_ETERNAL transition latency\n");
+        np = get_cpu_node_with_valid_op(cpu_dev->id);
+        if (!np)
                 return CPUFREQ_ETERNAL;
-        }
-
-        for_each_child_of_node(parent, np) {
-                if (count++ != cpu_dev->id)
-                        continue;
 
-                of_property_read_u32(np, "clock-latency", &transition_latency);
-                of_node_put(np);
-                of_node_put(parent);
+        of_property_read_u32(np, "clock-latency", &transition_latency);
+        of_node_put(np);
 
-                return transition_latency;
-        }
-
-        pr_info("clock-latency isn't found, use CPUFREQ_ETERNAL transition latency\n");
-        return CPUFREQ_ETERNAL;
+        pr_debug("%s: clock-latency: %d\n", __func__, transition_latency);
+        return transition_latency;
 }
 
 static struct cpufreq_arm_bL_ops dt_bL_ops = {
@@ -91,17 +96,33 @@ static struct cpufreq_arm_bL_ops dt_bL_ops = {
         .init_opp_table = dt_init_opp_table,
 };
 
-static int generic_bL_init(void)
+static int generic_bL_probe(struct platform_device *pdev)
 {
+        struct device_node *np;
+
+        np = get_cpu_node_with_valid_op(0);
+        if (!np)
+                return -ENODEV;
+
+        of_node_put(np);
         return bL_cpufreq_register(&dt_bL_ops);
 }
-module_init(generic_bL_init);
 
-static void generic_bL_exit(void)
+static int generic_bL_remove(struct platform_device *pdev)
 {
-        return bL_cpufreq_unregister(&dt_bL_ops);
+        bL_cpufreq_unregister(&dt_bL_ops);
+        return 0;
 }
-module_exit(generic_bL_exit);
+
+static struct platform_driver generic_bL_platdrv = {
+        .driver = {
+                .name   = "arm-bL-cpufreq-dt",
+                .owner  = THIS_MODULE,
+        },
+        .probe          = generic_bL_probe,
+        .remove         = generic_bL_remove,
+};
+module_platform_driver(generic_bL_platdrv);
 
 MODULE_AUTHOR("Viresh Kumar <viresh.kumar@linaro.org>");
 MODULE_DESCRIPTION("Generic ARM big LITTLE cpufreq driver via DT");
diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c
index a64eb8b70444..ad1fde277661 100644
--- a/drivers/cpufreq/cpufreq-cpu0.c
+++ b/drivers/cpufreq/cpufreq-cpu0.c
@@ -45,7 +45,7 @@ static int cpu0_set_target(struct cpufreq_policy *policy,
         struct cpufreq_freqs freqs;
         struct opp *opp;
         unsigned long volt = 0, volt_old = 0, tol = 0;
-        long freq_Hz;
+        long freq_Hz, freq_exact;
         unsigned int index;
         int ret;
 
@@ -60,6 +60,7 @@ static int cpu0_set_target(struct cpufreq_policy *policy,
         freq_Hz = clk_round_rate(cpu_clk, freq_table[index].frequency * 1000);
         if (freq_Hz < 0)
                 freq_Hz = freq_table[index].frequency * 1000;
+        freq_exact = freq_Hz;
         freqs.new = freq_Hz / 1000;
         freqs.old = clk_get_rate(cpu_clk) / 1000;
 
@@ -98,7 +99,7 @@ static int cpu0_set_target(struct cpufreq_policy *policy,
                 }
         }
 
-        ret = clk_set_rate(cpu_clk, freqs.new * 1000);
+        ret = clk_set_rate(cpu_clk, freq_exact);
         if (ret) {
                 pr_err("failed to set clock rate: %d\n", ret);
                 if (cpu_reg)
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 4b8c7f297d74..2d53f47d1747 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1729,18 +1729,23 @@ static int __cpufreq_set_policy(struct cpufreq_policy *data,
                         /* end old governor */
                         if (data->governor) {
                                 __cpufreq_governor(data, CPUFREQ_GOV_STOP);
+                                unlock_policy_rwsem_write(policy->cpu);
                                 __cpufreq_governor(data,
                                                 CPUFREQ_GOV_POLICY_EXIT);
+                                lock_policy_rwsem_write(policy->cpu);
                         }
 
                         /* start new governor */
                         data->governor = policy->governor;
                         if (!__cpufreq_governor(data, CPUFREQ_GOV_POLICY_INIT)) {
-                                if (!__cpufreq_governor(data, CPUFREQ_GOV_START))
+                                if (!__cpufreq_governor(data, CPUFREQ_GOV_START)) {
                                         failed = 0;
-                                else
+                                } else {
+                                        unlock_policy_rwsem_write(policy->cpu);
                                         __cpufreq_governor(data,
                                                         CPUFREQ_GOV_POLICY_EXIT);
+                                        lock_policy_rwsem_write(policy->cpu);
+                                }
                         }
 
                         if (failed) {
diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c
index 5af40ad82d23..dc9b72e25c1a 100644
--- a/drivers/cpufreq/cpufreq_governor.c
+++ b/drivers/cpufreq/cpufreq_governor.c
@@ -26,6 +26,7 @@
 #include <linux/tick.h>
 #include <linux/types.h>
 #include <linux/workqueue.h>
+#include <linux/cpu.h>
 
 #include "cpufreq_governor.h"
 
@@ -180,8 +181,10 @@ void gov_queue_work(struct dbs_data *dbs_data, struct cpufreq_policy *policy,
         if (!all_cpus) {
                 __gov_queue_work(smp_processor_id(), dbs_data, delay);
         } else {
+                get_online_cpus();
                 for_each_cpu(i, policy->cpus)
                         __gov_queue_work(i, dbs_data, delay);
+                put_online_cpus();
         }
 }
 EXPORT_SYMBOL_GPL(gov_queue_work);
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 9c36ace92a39..07f2840ad805 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -521,6 +521,7 @@ static void intel_pstate_timer_func(unsigned long __data)
 static const struct x86_cpu_id intel_pstate_cpu_ids[] = {
         ICPU(0x2a, default_policy),
         ICPU(0x2d, default_policy),
+        ICPU(0x3a, default_policy),
         {}
 };
 MODULE_DEVICE_TABLE(x86cpu, intel_pstate_cpu_ids);
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index 765fdf5ce579..bf416a8391a7 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -1154,7 +1154,7 @@ static struct aead_edesc *aead_edesc_alloc(struct aead_request *req,
                 dst_nents = sg_count(req->dst, req->cryptlen, &dst_chained);
 
         sgc = dma_map_sg_chained(jrdev, req->assoc, assoc_nents ? : 1,
-                                 DMA_BIDIRECTIONAL, assoc_chained);
+                                 DMA_TO_DEVICE, assoc_chained);
         if (likely(req->src == req->dst)) {
                 sgc = dma_map_sg_chained(jrdev, req->src, src_nents ? : 1,
                                          DMA_BIDIRECTIONAL, src_chained);
@@ -1336,7 +1336,7 @@ static struct aead_edesc *aead_giv_edesc_alloc(struct aead_givcrypt_request
                 dst_nents = sg_count(req->dst, req->cryptlen, &dst_chained);
 
         sgc = dma_map_sg_chained(jrdev, req->assoc, assoc_nents ? : 1,
-                                 DMA_BIDIRECTIONAL, assoc_chained);
+                                 DMA_TO_DEVICE, assoc_chained);
         if (likely(req->src == req->dst)) {
                 sgc = dma_map_sg_chained(jrdev, req->src, src_nents ? : 1,
                                          DMA_BIDIRECTIONAL, src_chained);
diff --git a/drivers/crypto/nx/nx-aes-cbc.c b/drivers/crypto/nx/nx-aes-cbc.c
index a76d4c4f29f5..35d483f8db66 100644
--- a/drivers/crypto/nx/nx-aes-cbc.c
+++ b/drivers/crypto/nx/nx-aes-cbc.c
@@ -126,6 +126,7 @@ struct crypto_alg nx_cbc_aes_alg = {
         .cra_blocksize   = AES_BLOCK_SIZE,
         .cra_ctxsize     = sizeof(struct nx_crypto_ctx),
         .cra_type        = &crypto_blkcipher_type,
+        .cra_alignmask   = 0xf,
         .cra_module      = THIS_MODULE,
         .cra_init        = nx_crypto_ctx_aes_cbc_init,
         .cra_exit        = nx_crypto_ctx_exit,
diff --git a/drivers/crypto/nx/nx-aes-ecb.c b/drivers/crypto/nx/nx-aes-ecb.c
index ba5f1611336f..7bbc9a81da21 100644
--- a/drivers/crypto/nx/nx-aes-ecb.c
+++ b/drivers/crypto/nx/nx-aes-ecb.c
@@ -123,6 +123,7 @@ struct crypto_alg nx_ecb_aes_alg = {
         .cra_priority    = 300,
         .cra_flags       = CRYPTO_ALG_TYPE_BLKCIPHER,
         .cra_blocksize   = AES_BLOCK_SIZE,
+        .cra_alignmask   = 0xf,
         .cra_ctxsize     = sizeof(struct nx_crypto_ctx),
         .cra_type        = &crypto_blkcipher_type,
         .cra_module      = THIS_MODULE,
diff --git a/drivers/crypto/nx/nx-aes-gcm.c b/drivers/crypto/nx/nx-aes-gcm.c
index c8109edc5cfb..6cca6c392b00 100644
--- a/drivers/crypto/nx/nx-aes-gcm.c
+++ b/drivers/crypto/nx/nx-aes-gcm.c
@@ -219,7 +219,7 @@ static int gcm_aes_nx_crypt(struct aead_request *req, int enc)
         if (enc)
                 NX_CPB_FDM(csbcpb) |= NX_FDM_ENDE_ENCRYPT;
         else
-                nbytes -= AES_BLOCK_SIZE;
+                nbytes -= crypto_aead_authsize(crypto_aead_reqtfm(req));
 
         csbcpb->cpb.aes_gcm.bit_length_data = nbytes * 8;
 
diff --git a/drivers/crypto/nx/nx-sha256.c b/drivers/crypto/nx/nx-sha256.c
index 9767315f8c0b..67024f2f0b78 100644
--- a/drivers/crypto/nx/nx-sha256.c
+++ b/drivers/crypto/nx/nx-sha256.c
@@ -69,7 +69,7 @@ static int nx_sha256_update(struct shash_desc *desc, const u8 *data,
          *  1: <= SHA256_BLOCK_SIZE: copy into state, return 0
          *  2: > SHA256_BLOCK_SIZE: process X blocks, copy in leftover
          */
-        if (len + sctx->count <= SHA256_BLOCK_SIZE) {
+        if (len + sctx->count < SHA256_BLOCK_SIZE) {
                 memcpy(sctx->buf + sctx->count, data, len);
                 sctx->count += len;
                 goto out;
@@ -110,7 +110,8 @@ static int nx_sha256_update(struct shash_desc *desc, const u8 *data,
         atomic_inc(&(nx_ctx->stats->sha256_ops));
 
         /* copy the leftover back into the state struct */
-        memcpy(sctx->buf, data + len - leftover, leftover);
+        if (leftover)
+                memcpy(sctx->buf, data + len - leftover, leftover);
         sctx->count = leftover;
 
         csbcpb->cpb.sha256.message_bit_length += (u64)
@@ -130,6 +131,7 @@ static int nx_sha256_final(struct shash_desc *desc, u8 *out)
         struct nx_sg *in_sg, *out_sg;
         int rc;
 
+
         if (NX_CPB_FDM(csbcpb) & NX_FDM_CONTINUATION) {
                 /* we've hit the nx chip previously, now we're finalizing,
                  * so copy over the partial digest */
@@ -162,7 +164,7 @@ static int nx_sha256_final(struct shash_desc *desc, u8 *out)
 
         atomic_inc(&(nx_ctx->stats->sha256_ops));
 
-        atomic64_add(csbcpb->cpb.sha256.message_bit_length,
+        atomic64_add(csbcpb->cpb.sha256.message_bit_length / 8,
                      &(nx_ctx->stats->sha256_bytes));
         memcpy(out, csbcpb->cpb.sha256.message_digest, SHA256_DIGEST_SIZE);
 out:
diff --git a/drivers/crypto/nx/nx-sha512.c b/drivers/crypto/nx/nx-sha512.c
index 3177b8c3d5f1..08eee1122349 100644
--- a/drivers/crypto/nx/nx-sha512.c
+++ b/drivers/crypto/nx/nx-sha512.c
@@ -69,7 +69,7 @@ static int nx_sha512_update(struct shash_desc *desc, const u8 *data,
          *  1: <= SHA512_BLOCK_SIZE: copy into state, return 0
          *  2: > SHA512_BLOCK_SIZE: process X blocks, copy in leftover
          */
-        if ((u64)len + sctx->count[0] <= SHA512_BLOCK_SIZE) {
+        if ((u64)len + sctx->count[0] < SHA512_BLOCK_SIZE) {
                 memcpy(sctx->buf + sctx->count[0], data, len);
                 sctx->count[0] += len;
                 goto out;
@@ -110,7 +110,8 @@ static int nx_sha512_update(struct shash_desc *desc, const u8 *data,
         atomic_inc(&(nx_ctx->stats->sha512_ops));
 
         /* copy the leftover back into the state struct */
-        memcpy(sctx->buf, data + len - leftover, leftover);
+        if (leftover)
+                memcpy(sctx->buf, data + len - leftover, leftover);
         sctx->count[0] = leftover;
 
         spbc_bits = csbcpb->cpb.sha512.spbc * 8;
@@ -168,7 +169,7 @@ static int nx_sha512_final(struct shash_desc *desc, u8 *out)
                 goto out;
 
         atomic_inc(&(nx_ctx->stats->sha512_ops));
-        atomic64_add(csbcpb->cpb.sha512.message_bit_length_lo,
+        atomic64_add(csbcpb->cpb.sha512.message_bit_length_lo / 8,
                      &(nx_ctx->stats->sha512_bytes));
 
         memcpy(out, csbcpb->cpb.sha512.message_digest, SHA512_DIGEST_SIZE);
diff --git a/drivers/crypto/nx/nx.c b/drivers/crypto/nx/nx.c
index c767f232e693..bbdab6e5ccf0 100644
--- a/drivers/crypto/nx/nx.c
+++ b/drivers/crypto/nx/nx.c
@@ -211,44 +211,20 @@ int nx_build_sg_lists(struct nx_crypto_ctx  *nx_ctx,
 {
         struct nx_sg *nx_insg = nx_ctx->in_sg;
         struct nx_sg *nx_outsg = nx_ctx->out_sg;
-        struct blkcipher_walk walk;
-        int rc;
-
-        blkcipher_walk_init(&walk, dst, src, nbytes);
-        rc = blkcipher_walk_virt_block(desc, &walk, AES_BLOCK_SIZE);
-        if (rc)
-                goto out;
 
         if (iv)
-                memcpy(iv, walk.iv, AES_BLOCK_SIZE);
+                memcpy(iv, desc->info, AES_BLOCK_SIZE);
 
-        while (walk.nbytes) {
-                nx_insg = nx_build_sg_list(nx_insg, walk.src.virt.addr,
-                                           walk.nbytes, nx_ctx->ap->sglen);
-                nx_outsg = nx_build_sg_list(nx_outsg, walk.dst.virt.addr,
-                                            walk.nbytes, nx_ctx->ap->sglen);
-
-                rc = blkcipher_walk_done(desc, &walk, 0);
-                if (rc)
-                        break;
-        }
-
-        if (walk.nbytes) {
-                nx_insg = nx_build_sg_list(nx_insg, walk.src.virt.addr,
-                                           walk.nbytes, nx_ctx->ap->sglen);
-                nx_outsg = nx_build_sg_list(nx_outsg, walk.dst.virt.addr,
-                                            walk.nbytes, nx_ctx->ap->sglen);
-
-                rc = 0;
-        }
+        nx_insg = nx_walk_and_build(nx_insg, nx_ctx->ap->sglen, src, 0, nbytes);
+        nx_outsg = nx_walk_and_build(nx_outsg, nx_ctx->ap->sglen, dst, 0, nbytes);
 
         /* these lengths should be negative, which will indicate to phyp that
          * the input and output parameters are scatterlists, not linear
          * buffers */
         nx_ctx->op.inlen = (nx_ctx->in_sg - nx_insg) * sizeof(struct nx_sg);
         nx_ctx->op.outlen = (nx_ctx->out_sg - nx_outsg) * sizeof(struct nx_sg);
-out:
-        return rc;
+
+        return 0;
 }
 
 /**
@@ -454,6 +430,8 @@ static int nx_register_algs(void)
         if (rc)
                 goto out;
 
+        nx_driver.of.status = NX_OKAY;
+
         rc = crypto_register_alg(&nx_ecb_aes_alg);
         if (rc)
                 goto out;
@@ -498,8 +476,6 @@ static int nx_register_algs(void)
         if (rc)
                 goto out_unreg_s512;
 
-        nx_driver.of.status = NX_OKAY;
-
         goto out;
 
 out_unreg_s512:
diff --git a/drivers/crypto/sahara.c b/drivers/crypto/sahara.c
index a97bb6c1596c..c3dc1c04a5df 100644
--- a/drivers/crypto/sahara.c
+++ b/drivers/crypto/sahara.c
@@ -863,7 +863,7 @@ static struct of_device_id sahara_dt_ids[] = {
         { .compatible = "fsl,imx27-sahara" },
         { /* sentinel */ }
 };
-MODULE_DEVICE_TABLE(platform, sahara_dt_ids);
+MODULE_DEVICE_TABLE(of, sahara_dt_ids);
 
 static int sahara_probe(struct platform_device *pdev)
 {
diff --git a/drivers/dma/acpi-dma.c b/drivers/dma/acpi-dma.c
index ba6fc62e9651..5a18f82f732a 100644
--- a/drivers/dma/acpi-dma.c
+++ b/drivers/dma/acpi-dma.c
@@ -4,7 +4,8 @@
  * Based on of-dma.c
  *
  * Copyright (C) 2013, Intel Corporation
- * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
+ * Authors: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
+ *          Mika Westerberg <mika.westerberg@linux.intel.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -16,6 +17,7 @@
 #include <linux/list.h>
 #include <linux/mutex.h>
 #include <linux/slab.h>
+#include <linux/ioport.h>
 #include <linux/acpi.h>
 #include <linux/acpi_dma.h>
 
@@ -23,6 +25,117 @@ static LIST_HEAD(acpi_dma_list);
 static DEFINE_MUTEX(acpi_dma_lock);
 
 /**
+ * acpi_dma_parse_resource_group - match device and parse resource group
+ * @grp:        CSRT resource group
+ * @adev:       ACPI device to match with
+ * @adma:       struct acpi_dma of the given DMA controller
+ *
+ * Returns 1 on success, 0 when no information is available, or appropriate
+ * errno value on error.
+ *
+ * In order to match a device from DSDT table to the corresponding CSRT device
+ * we use MMIO address and IRQ.
+ */
+static int acpi_dma_parse_resource_group(const struct acpi_csrt_group *grp,
+                struct acpi_device *adev, struct acpi_dma *adma)
+{
+        const struct acpi_csrt_shared_info *si;
+        struct list_head resource_list;
+        struct resource_list_entry *rentry;
+        resource_size_t mem = 0, irq = 0;
+        u32 vendor_id;
+        int ret;
+
+        if (grp->shared_info_length != sizeof(struct acpi_csrt_shared_info))
+                return -ENODEV;
+
+        INIT_LIST_HEAD(&resource_list);
+        ret = acpi_dev_get_resources(adev, &resource_list, NULL, NULL);
+        if (ret <= 0)
+                return 0;
+
+        list_for_each_entry(rentry, &resource_list, node) {
+                if (resource_type(&rentry->res) == IORESOURCE_MEM)
+                        mem = rentry->res.start;
+                else if (resource_type(&rentry->res) == IORESOURCE_IRQ)
+                        irq = rentry->res.start;
+        }
+
+        acpi_dev_free_resource_list(&resource_list);
+
+        /* Consider initial zero values as resource not found */
+        if (mem == 0 && irq == 0)
+                return 0;
+
+        si = (const struct acpi_csrt_shared_info *)&grp[1];
+
+        /* Match device by MMIO and IRQ */
+        if (si->mmio_base_low != mem || si->gsi_interrupt != irq)
+                return 0;
+
+        vendor_id = le32_to_cpu(grp->vendor_id);
+        dev_dbg(&adev->dev, "matches with %.4s%04X (rev %u)\n",
+                (char *)&vendor_id, grp->device_id, grp->revision);
+
+        /* Check if the request line range is available */
+        if (si->base_request_line == 0 && si->num_handshake_signals == 0)
+                return 0;
+
+        adma->base_request_line = si->base_request_line;
+        adma->end_request_line = si->base_request_line +
+                                 si->num_handshake_signals - 1;
+
+        dev_dbg(&adev->dev, "request line base: 0x%04x end: 0x%04x\n",
+                adma->base_request_line, adma->end_request_line);
+
+        return 1;
+}
+
+/**
+ * acpi_dma_parse_csrt - parse CSRT to exctract additional DMA resources
+ * @adev:       ACPI device to match with
+ * @adma:       struct acpi_dma of the given DMA controller
+ *
+ * CSRT or Core System Resources Table is a proprietary ACPI table
+ * introduced by Microsoft. This table can contain devices that are not in
+ * the system DSDT table. In particular DMA controllers might be described
+ * here.
+ *
+ * We are using this table to get the request line range of the specific DMA
+ * controller to be used later.
+ *
+ */
+static void acpi_dma_parse_csrt(struct acpi_device *adev, struct acpi_dma *adma)
+{
+        struct acpi_csrt_group *grp, *end;
+        struct acpi_table_csrt *csrt;
+        acpi_status status;
+        int ret;
+
+        status = acpi_get_table(ACPI_SIG_CSRT, 0,
+                                (struct acpi_table_header **)&csrt);
+        if (ACPI_FAILURE(status)) {
+                if (status != AE_NOT_FOUND)
+                        dev_warn(&adev->dev, "failed to get the CSRT table\n");
+                return;
+        }
+
+        grp = (struct acpi_csrt_group *)(csrt + 1);
+        end = (struct acpi_csrt_group *)((void *)csrt + csrt->header.length);
+
+        while (grp < end) {
+                ret = acpi_dma_parse_resource_group(grp, adev, adma);
+                if (ret < 0) {
+                        dev_warn(&adev->dev,
+                                 "error in parsing resource group\n");
+                        return;
+                }
+
+                grp = (struct acpi_csrt_group *)((void *)grp + grp->length);
+        }
+}
+
+/**
  * acpi_dma_controller_register - Register a DMA controller to ACPI DMA helpers
  * @dev:                struct device of DMA controller
  * @acpi_dma_xlate:     translation function which converts a dma specifier
@@ -61,6 +174,8 @@ int acpi_dma_controller_register(struct device *dev,
         adma->acpi_dma_xlate = acpi_dma_xlate;
         adma->data = data;
 
+        acpi_dma_parse_csrt(adev, adma);
+
         /* Now queue acpi_dma controller structure in list */
         mutex_lock(&acpi_dma_lock);
         list_add_tail(&adma->dma_controllers, &acpi_dma_list);
@@ -149,6 +264,45 @@ void devm_acpi_dma_controller_free(struct device *dev)
 }
 EXPORT_SYMBOL_GPL(devm_acpi_dma_controller_free);
 
+/**
+ * acpi_dma_update_dma_spec - prepare dma specifier to pass to translation function
+ * @adma:       struct acpi_dma of DMA controller
+ * @dma_spec:   dma specifier to update
+ *
+ * Returns 0, if no information is avaiable, -1 on mismatch, and 1 otherwise.
+ *
+ * Accordingly to ACPI 5.0 Specification Table 6-170 "Fixed DMA Resource
+ * Descriptor":
+ *      DMA Request Line bits is a platform-relative number uniquely
+ *      identifying the request line assigned. Request line-to-Controller
+ *      mapping is done in a controller-specific OS driver.
+ * That's why we can safely adjust slave_id when the appropriate controller is
+ * found.
+ */
+static int acpi_dma_update_dma_spec(struct acpi_dma *adma,
+                struct acpi_dma_spec *dma_spec)
+{
+        /* Set link to the DMA controller device */
+        dma_spec->dev = adma->dev;
+
+        /* Check if the request line range is available */
+        if (adma->base_request_line == 0 && adma->end_request_line == 0)
+                return 0;
+
+        /* Check if slave_id falls to the range */
+        if (dma_spec->slave_id < adma->base_request_line ||
+            dma_spec->slave_id > adma->end_request_line)
+                return -1;
+
+        /*
+         * Here we adjust slave_id. It should be a relative number to the base
+         * request line.
+         */
+        dma_spec->slave_id -= adma->base_request_line;
+
+        return 1;
+}
+
 struct acpi_dma_parser_data {
         struct acpi_dma_spec dma_spec;
         size_t index;
@@ -193,6 +347,7 @@ struct dma_chan *acpi_dma_request_slave_chan_by_index(struct device *dev,
         struct acpi_device *adev;
         struct acpi_dma *adma;
         struct dma_chan *chan = NULL;
+        int found;
 
         /* Check if the device was enumerated by ACPI */
         if (!dev || !ACPI_HANDLE(dev))
@@ -219,9 +374,20 @@ struct dma_chan *acpi_dma_request_slave_chan_by_index(struct device *dev,
         mutex_lock(&acpi_dma_lock);
 
         list_for_each_entry(adma, &acpi_dma_list, dma_controllers) {
-                dma_spec->dev = adma->dev;
+                /*
+                 * We are not going to call translation function if slave_id
+                 * doesn't fall to the request range.
+                 */
+                found = acpi_dma_update_dma_spec(adma, dma_spec);
+                if (found < 0)
+                        continue;
                 chan = adma->acpi_dma_xlate(dma_spec, adma);
-                if (chan)
+                /*
+                 * Try to get a channel only from the DMA controller that
+                 * matches the slave_id. See acpi_dma_update_dma_spec()
+                 * description for the details.
+                 */
+                if (found > 0 || chan)
                         break;
         }
 
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index d8ce4ecfef18..e88ded2c8d2f 100644
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -716,8 +716,7 @@ static int dmatest_func(void *data)
                 }
                 dma_async_issue_pending(chan);
 
-                wait_event_freezable_timeout(done_wait,
-                                             done.done || kthread_should_stop(),
+                wait_event_freezable_timeout(done_wait, done.done,
                                              msecs_to_jiffies(params->timeout));
 
                 status = dma_async_is_tx_complete(chan, cookie, NULL, NULL);
@@ -997,7 +996,6 @@ static void stop_threaded_test(struct dmatest_info *info)
 static int __restart_threaded_test(struct dmatest_info *info, bool run)
 {
         struct dmatest_params *params = &info->params;
-        int ret;
 
         /* Stop any running test first */
         __stop_threaded_test(info);
@@ -1012,13 +1010,23 @@ static int __restart_threaded_test(struct dmatest_info *info, bool run)
         memcpy(params, &info->dbgfs_params, sizeof(*params));
 
         /* Run test with new parameters */
-        ret = __run_threaded_test(info);
-        if (ret) {
-                __stop_threaded_test(info);
-                pr_err("dmatest: Can't run test\n");
+        return __run_threaded_test(info);
+}
+
+static bool __is_threaded_test_run(struct dmatest_info *info)
+{
+        struct dmatest_chan *dtc;
+
+        list_for_each_entry(dtc, &info->channels, node) {
+                struct dmatest_thread *thread;
+
+                list_for_each_entry(thread, &dtc->threads, node) {
+                        if (!thread->done)
+                                return true;
+                }
         }
 
-        return ret;
+        return false;
 }
 
 static ssize_t dtf_write_string(void *to, size_t available, loff_t *ppos,
@@ -1091,22 +1099,10 @@ static ssize_t dtf_read_run(struct file *file, char __user *user_buf,
 {
         struct dmatest_info *info = file->private_data;
         char buf[3];
-        struct dmatest_chan *dtc;
-        bool alive = false;
 
         mutex_lock(&info->lock);
-        list_for_each_entry(dtc, &info->channels, node) {
-                struct dmatest_thread *thread;
-
-                list_for_each_entry(thread, &dtc->threads, node) {
-                        if (!thread->done) {
-                                alive = true;
-                                break;
-                        }
-                }
-        }
 
-        if (alive) {
+        if (__is_threaded_test_run(info)) {
                 buf[0] = 'Y';
         } else {
                 __stop_threaded_test(info);
@@ -1132,7 +1128,12 @@ static ssize_t dtf_write_run(struct file *file, const char __user *user_buf,
 
         if (strtobool(buf, &bv) == 0) {
                 mutex_lock(&info->lock);
-                ret = __restart_threaded_test(info, bv);
+
+                if (__is_threaded_test_run(info))
+                        ret = -EBUSY;
+                else
+                        ret = __restart_threaded_test(info, bv);
+
                 mutex_unlock(&info->lock);
         }
 
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index 1734feec47b1..71bf4ec300ea 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -1566,10 +1566,12 @@ static void dma_tc_handle(struct d40_chan *d40c)
                         return;
                 }
 
-                if (d40_queue_start(d40c) == NULL)
+                if (d40_queue_start(d40c) == NULL) {
                         d40c->busy = false;
-                pm_runtime_mark_last_busy(d40c->base->dev);
-                pm_runtime_put_autosuspend(d40c->base->dev);
+
+                        pm_runtime_mark_last_busy(d40c->base->dev);
+                        pm_runtime_put_autosuspend(d40c->base->dev);
+                }
 
                 d40_desc_remove(d40d);
                 d40_desc_done(d40c, d40d);
diff --git a/drivers/edac/amd64_edac_inj.c b/drivers/edac/amd64_edac_inj.c
index 8c171fa1cb9b..845f04786c2d 100644
--- a/drivers/edac/amd64_edac_inj.c
+++ b/drivers/edac/amd64_edac_inj.c
@@ -202,9 +202,9 @@ static DEVICE_ATTR(inject_word, S_IRUGO | S_IWUSR,
                    amd64_inject_word_show, amd64_inject_word_store);
 static DEVICE_ATTR(inject_ecc_vector, S_IRUGO | S_IWUSR,
                    amd64_inject_ecc_vector_show, amd64_inject_ecc_vector_store);
-static DEVICE_ATTR(inject_write, S_IRUGO | S_IWUSR,
+static DEVICE_ATTR(inject_write, S_IWUSR,
                    NULL, amd64_inject_write_store);
-static DEVICE_ATTR(inject_read, S_IRUGO | S_IWUSR,
+static DEVICE_ATTR(inject_read,  S_IWUSR,
                    NULL, amd64_inject_read_store);
 
 
diff --git a/drivers/firmware/efi/efivars.c b/drivers/firmware/efi/efivars.c
index b623c599e572..8bd1bb6dbe47 100644
--- a/drivers/firmware/efi/efivars.c
+++ b/drivers/firmware/efi/efivars.c
@@ -523,13 +523,11 @@ static void efivar_update_sysfs_entries(struct work_struct *work)
         struct efivar_entry *entry;
         int err;
 
-        entry = kzalloc(sizeof(*entry), GFP_KERNEL);
-        if (!entry)
-                return;
-
         /* Add new sysfs entries */
         while (1) {
-                memset(entry, 0, sizeof(*entry));
+                entry = kzalloc(sizeof(*entry), GFP_KERNEL);
+                if (!entry)
+                        return;
 
                 err = efivar_init(efivar_update_sysfs_entry, entry,
                                   true, false, &efivar_sysfs_list);
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 87d567089f13..573c449c49b9 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -636,7 +636,7 @@ config GPIO_MAX7301
 
 config GPIO_MCP23S08
         tristate "Microchip MCP23xxx I/O expander"
-        depends on SPI_MASTER || I2C
+        depends on (SPI_MASTER && !I2C) || I2C
         help
           SPI/I2C driver for Microchip MCP23S08/MCP23S17/MCP23008/MCP23017
           I/O expanders.
diff --git a/drivers/gpio/gpio-langwell.c b/drivers/gpio/gpio-langwell.c
index 634c3d37f7b5..62ef10a641c4 100644
--- a/drivers/gpio/gpio-langwell.c
+++ b/drivers/gpio/gpio-langwell.c
@@ -324,6 +324,7 @@ static int lnw_gpio_probe(struct pci_dev *pdev,
         resource_size_t start, len;
         struct lnw_gpio *lnw;
         u32 gpio_base;
+        u32 irq_base;
         int retval;
         int ngpio = id->driver_data;
 
@@ -345,6 +346,7 @@ static int lnw_gpio_probe(struct pci_dev *pdev,
                 retval = -EFAULT;
                 goto err_ioremap;
         }
+        irq_base = *(u32 *)base;
         gpio_base = *((u32 *)base + 1);
         /* release the IO mapping, since we already get the info from bar1 */
         iounmap(base);
@@ -365,13 +367,6 @@ static int lnw_gpio_probe(struct pci_dev *pdev,
                 goto err_ioremap;
         }
 
-        lnw->domain = irq_domain_add_linear(pdev->dev.of_node, ngpio,
-                                            &lnw_gpio_irq_ops, lnw);
-        if (!lnw->domain) {
-                retval = -ENOMEM;
-                goto err_ioremap;
-        }
-
         lnw->reg_base = base;
         lnw->chip.label = dev_name(&pdev->dev);
         lnw->chip.request = lnw_gpio_request;
@@ -384,6 +379,14 @@ static int lnw_gpio_probe(struct pci_dev *pdev,
         lnw->chip.ngpio = ngpio;
         lnw->chip.can_sleep = 0;
         lnw->pdev = pdev;
+
+        lnw->domain = irq_domain_add_simple(pdev->dev.of_node, ngpio, irq_base,
+                                            &lnw_gpio_irq_ops, lnw);
+        if (!lnw->domain) {
+                retval = -ENOMEM;
+                goto err_ioremap;
+        }
+
         pci_set_drvdata(pdev, lnw);
         retval = gpiochip_add(&lnw->chip);
         if (retval) {
diff --git a/drivers/gpio/gpio-ml-ioh.c b/drivers/gpio/gpio-ml-ioh.c
index b73366523fae..0966f2637ad2 100644
--- a/drivers/gpio/gpio-ml-ioh.c
+++ b/drivers/gpio/gpio-ml-ioh.c
@@ -496,8 +496,7 @@ err_irq_alloc_descs:
 err_gpiochip_add:
         while (--i >= 0) {
                 chip--;
-                ret = gpiochip_remove(&chip->gpio);
-                if (ret)
+                if (gpiochip_remove(&chip->gpio))
                         dev_err(&pdev->dev, "Failed gpiochip_remove(%d)\n", i);
         }
         kfree(chip_save);
diff --git a/drivers/gpio/gpio-mxs.c b/drivers/gpio/gpio-mxs.c
index 25000b0f8453..f8e6af20dfbf 100644
--- a/drivers/gpio/gpio-mxs.c
+++ b/drivers/gpio/gpio-mxs.c
@@ -326,7 +326,8 @@ static int mxs_gpio_probe(struct platform_device *pdev)
 
         err = bgpio_init(&port->bgc, &pdev->dev, 4,
                          port->base + PINCTRL_DIN(port),
-                         port->base + PINCTRL_DOUT(port), NULL,
+                         port->base + PINCTRL_DOUT(port) + MXS_SET,
+                         port->base + PINCTRL_DOUT(port) + MXS_CLR,
                          port->base + PINCTRL_DOE(port), NULL, 0);
         if (err)
                 goto out_irqdesc_free;
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 2050891d9c65..d3f7d2db870f 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -69,6 +69,7 @@ struct gpio_bank {
         bool is_mpuio;
         bool dbck_flag;
         bool loses_context;
+        bool context_valid;
         int stride;
         u32 width;
         int context_loss_count;
@@ -1128,6 +1129,10 @@ static int omap_gpio_probe(struct platform_device *pdev)
                         bank->loses_context = true;
         } else {
                 bank->loses_context = pdata->loses_context;
+
+                if (bank->loses_context)
+                        bank->get_context_loss_count =
+                                pdata->get_context_loss_count;
         }
 
 
@@ -1178,9 +1183,6 @@ static int omap_gpio_probe(struct platform_device *pdev)
         omap_gpio_chip_init(bank);
         omap_gpio_show_rev(bank);
 
-        if (bank->loses_context)
-                bank->get_context_loss_count = pdata->get_context_loss_count;
-
         pm_runtime_put(bank->dev);
 
         list_add_tail(&bank->node, &omap_gpio_list);
@@ -1259,6 +1261,8 @@ update_gpio_context_count:
         return 0;
 }
 
+static void omap_gpio_init_context(struct gpio_bank *p);
+
 static int omap_gpio_runtime_resume(struct device *dev)
 {
         struct platform_device *pdev = to_platform_device(dev);
@@ -1268,6 +1272,20 @@ static int omap_gpio_runtime_resume(struct device *dev)
         int c;
 
         spin_lock_irqsave(&bank->lock, flags);
+
+        /*
+         * On the first resume during the probe, the context has not
+         * been initialised and so initialise it now. Also initialise
+         * the context loss count.
+         */
+        if (bank->loses_context && !bank->context_valid) {
+                omap_gpio_init_context(bank);
+
+                if (bank->get_context_loss_count)
+                        bank->context_loss_count =
+                                bank->get_context_loss_count(bank->dev);
+        }
+
         _gpio_dbck_enable(bank);
 
         /*
@@ -1384,6 +1402,29 @@ void omap2_gpio_resume_after_idle(void)
 }
 
 #if defined(CONFIG_PM_RUNTIME)
+static void omap_gpio_init_context(struct gpio_bank *p)
+{
+        struct omap_gpio_reg_offs *regs = p->regs;
+        void __iomem *base = p->base;
+
+        p->context.ctrl         = __raw_readl(base + regs->ctrl);
+        p->context.oe           = __raw_readl(base + regs->direction);
+        p->context.wake_en      = __raw_readl(base + regs->wkup_en);
+        p->context.leveldetect0 = __raw_readl(base + regs->leveldetect0);
+        p->context.leveldetect1 = __raw_readl(base + regs->leveldetect1);
+        p->context.risingdetect = __raw_readl(base + regs->risingdetect);
+        p->context.fallingdetect = __raw_readl(base + regs->fallingdetect);
+        p->context.irqenable1   = __raw_readl(base + regs->irqenable);
+        p->context.irqenable2   = __raw_readl(base + regs->irqenable2);
+
+        if (regs->set_dataout && p->regs->clr_dataout)
+                p->context.dataout = __raw_readl(base + regs->set_dataout);
+        else
+                p->context.dataout = __raw_readl(base + regs->dataout);
+
+        p->context_valid = true;
+}
+
 static void omap_gpio_restore_context(struct gpio_bank *bank)
 {
         __raw_writel(bank->context.wake_en,
@@ -1421,6 +1462,7 @@ static void omap_gpio_restore_context(struct gpio_bank *bank)
 #else
 #define omap_gpio_runtime_suspend NULL
 #define omap_gpio_runtime_resume NULL
+static void omap_gpio_init_context(struct gpio_bank *p) {}
 #endif
 
 static const struct dev_pm_ops gpio_pm_ops = {
diff --git a/drivers/gpio/gpio-pch.c b/drivers/gpio/gpio-pch.c
index cdf599687cf7..0fec097e838d 100644
--- a/drivers/gpio/gpio-pch.c
+++ b/drivers/gpio/gpio-pch.c
@@ -424,8 +424,7 @@ end:
 err_request_irq:
         irq_free_descs(irq_base, gpio_pins[chip->ioh]);
 
-        ret = gpiochip_remove(&chip->gpio);
-        if (ret)
+        if (gpiochip_remove(&chip->gpio))
                 dev_err(&pdev->dev, "%s gpiochip_remove failed\n", __func__);
 
 err_gpiochip_add:
diff --git a/drivers/gpio/gpio-sch.c b/drivers/gpio/gpio-sch.c
index 1e4de16ceb41..5af65719b95d 100644
--- a/drivers/gpio/gpio-sch.c
+++ b/drivers/gpio/gpio-sch.c
@@ -272,10 +272,8 @@ static int sch_gpio_probe(struct platform_device *pdev)
         return 0;
 
 err_sch_gpio_resume:
-        err = gpiochip_remove(&sch_gpio_core);
-        if (err)
-                dev_err(&pdev->dev, "%s failed, %d\n",
-                                "gpiochip_remove()", err);
+        if (gpiochip_remove(&sch_gpio_core))
+                dev_err(&pdev->dev, "%s gpiochip_remove failed\n", __func__);
 
 err_sch_gpio_core:
         release_region(res->start, resource_size(res));
diff --git a/drivers/gpio/gpio-viperboard.c b/drivers/gpio/gpio-viperboard.c
index 095ab14cea4d..5ac2919197fe 100644
--- a/drivers/gpio/gpio-viperboard.c
+++ b/drivers/gpio/gpio-viperboard.c
@@ -446,7 +446,8 @@ static int vprbrd_gpio_probe(struct platform_device *pdev)
         return ret;
 
 err_gpiob:
-        ret = gpiochip_remove(&vb_gpio->gpioa);
+        if (gpiochip_remove(&vb_gpio->gpioa))
+                dev_err(&pdev->dev, "%s gpiochip_remove failed\n", __func__);
 
 err_gpioa:
         return ret;
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index a6a8643a6a77..8bcce7866d36 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -1054,7 +1054,7 @@ EXPORT_SYMBOL(drm_vblank_off);
  */
 void drm_vblank_pre_modeset(struct drm_device *dev, int crtc)
 {
-        /* vblank is not initialized (IRQ not installed ?) */
+        /* vblank is not initialized (IRQ not installed ?), or has been freed */
         if (!dev->num_crtcs)
                 return;
         /*
@@ -1076,6 +1076,10 @@ void drm_vblank_post_modeset(struct drm_device *dev, int crtc)
 {
         unsigned long irqflags;
 
+        /* vblank is not initialized (IRQ not installed ?), or has been freed */
+        if (!dev->num_crtcs)
+                return;
+
         if (dev->vblank_inmodeset[crtc]) {
                 spin_lock_irqsave(&dev->vbl_lock, irqflags);
                 dev->vblank_disable_allowed = 1;
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index d92853e06dbb..e57c675db840 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -210,8 +210,7 @@ static const struct dma_buf_ops drm_gem_prime_dmabuf_ops =  {
 struct dma_buf *drm_gem_prime_export(struct drm_device *dev,
                                      struct drm_gem_object *obj, int flags)
 {
-        return dma_buf_export(obj, &drm_gem_prime_dmabuf_ops, obj->size,
-                             0600);
+        return dma_buf_export(obj, &drm_gem_prime_dmabuf_ops, obj->size, flags);
 }
 EXPORT_SYMBOL(drm_gem_prime_export);
 
diff --git a/drivers/gpu/drm/gma500/cdv_intel_display.c b/drivers/gpu/drm/gma500/cdv_intel_display.c
index 3cfd0931fbfb..82430ad8ba62 100644
--- a/drivers/gpu/drm/gma500/cdv_intel_display.c
+++ b/drivers/gpu/drm/gma500/cdv_intel_display.c
@@ -1462,7 +1462,7 @@ static int cdv_intel_crtc_cursor_set(struct drm_crtc *crtc,
         size_t addr = 0;
         struct gtt_range *gt;
         struct drm_gem_object *obj;
-        int ret;
+        int ret = 0;
 
         /* if we want to turn of the cursor ignore width and height */
         if (!handle) {
@@ -1499,7 +1499,8 @@ static int cdv_intel_crtc_cursor_set(struct drm_crtc *crtc,
 
         if (obj->size < width * height * 4) {
                 dev_dbg(dev->dev, "buffer is to small\n");
-                return -ENOMEM;
+                ret = -ENOMEM;
+                goto unref_cursor;
         }
 
         gt = container_of(obj, struct gtt_range, gem);
@@ -1508,7 +1509,7 @@ static int cdv_intel_crtc_cursor_set(struct drm_crtc *crtc,
         ret = psb_gtt_pin(gt);
         if (ret) {
                 dev_err(dev->dev, "Can not pin down handle 0x%x\n", handle);
-                return ret;
+                goto unref_cursor;
         }
 
         addr = gt->offset;      /* Or resource.start ??? */
@@ -1532,9 +1533,14 @@ static int cdv_intel_crtc_cursor_set(struct drm_crtc *crtc,
                                                         struct gtt_range, gem);
                 psb_gtt_unpin(gt);
                 drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
-                psb_intel_crtc->cursor_obj = obj;
         }
-        return 0;
+
+        psb_intel_crtc->cursor_obj = obj;
+        return ret;
+
+unref_cursor:
+        drm_gem_object_unreference(obj);
+        return ret;
 }
 
 static int cdv_intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
@@ -1750,6 +1756,19 @@ static void cdv_intel_crtc_destroy(struct drm_crtc *crtc)
         kfree(psb_intel_crtc);
 }
 
+static void cdv_intel_crtc_disable(struct drm_crtc *crtc)
+{
+        struct gtt_range *gt;
+        struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+
+        crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
+
+        if (crtc->fb) {
+                gt = to_psb_fb(crtc->fb)->gtt;
+                psb_gtt_unpin(gt);
+        }
+}
+
 const struct drm_crtc_helper_funcs cdv_intel_helper_funcs = {
         .dpms = cdv_intel_crtc_dpms,
         .mode_fixup = cdv_intel_crtc_mode_fixup,
@@ -1757,6 +1776,7 @@ const struct drm_crtc_helper_funcs cdv_intel_helper_funcs = {
         .mode_set_base = cdv_intel_pipe_set_base,
         .prepare = cdv_intel_crtc_prepare,
         .commit = cdv_intel_crtc_commit,
+        .disable = cdv_intel_crtc_disable,
 };
 
 const struct drm_crtc_funcs cdv_intel_crtc_funcs = {
diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
index 1534e220097a..8b1b6d923abe 100644
--- a/drivers/gpu/drm/gma500/framebuffer.c
+++ b/drivers/gpu/drm/gma500/framebuffer.c
@@ -121,8 +121,8 @@ static int psbfb_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
         unsigned long address;
         int ret;
         unsigned long pfn;
-        /* FIXME: assumes fb at stolen base which may not be true */
-        unsigned long phys_addr = (unsigned long)dev_priv->stolen_base;
+        unsigned long phys_addr = (unsigned long)dev_priv->stolen_base +
+                                  psbfb->gtt->offset;
 
         page_num = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
         address = (unsigned long)vmf->virtual_address - (vmf->pgoff << PAGE_SHIFT);
diff --git a/drivers/gpu/drm/gma500/psb_intel_display.c b/drivers/gpu/drm/gma500/psb_intel_display.c
index 6e8f42b61ff6..6666493789d1 100644
--- a/drivers/gpu/drm/gma500/psb_intel_display.c
+++ b/drivers/gpu/drm/gma500/psb_intel_display.c
@@ -843,7 +843,7 @@ static int psb_intel_crtc_cursor_set(struct drm_crtc *crtc,
         struct gtt_range *cursor_gt = psb_intel_crtc->cursor_gt;
         struct drm_gem_object *obj;
         void *tmp_dst, *tmp_src;
-        int ret, i, cursor_pages;
+        int ret = 0, i, cursor_pages;
 
         /* if we want to turn of the cursor ignore width and height */
         if (!handle) {
@@ -880,7 +880,8 @@ static int psb_intel_crtc_cursor_set(struct drm_crtc *crtc,
 
         if (obj->size < width * height * 4) {
                 dev_dbg(dev->dev, "buffer is to small\n");
-                return -ENOMEM;
+                ret = -ENOMEM;
+                goto unref_cursor;
         }
 
         gt = container_of(obj, struct gtt_range, gem);
@@ -889,13 +890,14 @@ static int psb_intel_crtc_cursor_set(struct drm_crtc *crtc,
         ret = psb_gtt_pin(gt);
         if (ret) {
                 dev_err(dev->dev, "Can not pin down handle 0x%x\n", handle);
-                return ret;
+                goto unref_cursor;
         }
 
         if (dev_priv->ops->cursor_needs_phys) {
                 if (cursor_gt == NULL) {
                         dev_err(dev->dev, "No hardware cursor mem available");
-                        return -ENOMEM;
+                        ret = -ENOMEM;
+                        goto unref_cursor;
                 }
 
                 /* Prevent overflow */
@@ -936,9 +938,14 @@ static int psb_intel_crtc_cursor_set(struct drm_crtc *crtc,
                                                         struct gtt_range, gem);
                 psb_gtt_unpin(gt);
                 drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
-                psb_intel_crtc->cursor_obj = obj;
         }
-        return 0;
+
+        psb_intel_crtc->cursor_obj = obj;
+        return ret;
+
+unref_cursor:
+        drm_gem_object_unreference(obj);
+        return ret;
 }
 
 static int psb_intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
@@ -1150,6 +1157,19 @@ static void psb_intel_crtc_destroy(struct drm_crtc *crtc)
         kfree(psb_intel_crtc);
 }
 
+static void psb_intel_crtc_disable(struct drm_crtc *crtc)
+{
+        struct gtt_range *gt;
+        struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+
+        crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
+
+        if (crtc->fb) {
+                gt = to_psb_fb(crtc->fb)->gtt;
+                psb_gtt_unpin(gt);
+        }
+}
+
 const struct drm_crtc_helper_funcs psb_intel_helper_funcs = {
         .dpms = psb_intel_crtc_dpms,
         .mode_fixup = psb_intel_crtc_mode_fixup,
@@ -1157,6 +1177,7 @@ const struct drm_crtc_helper_funcs psb_intel_helper_funcs = {
         .mode_set_base = psb_intel_pipe_set_base,
         .prepare = psb_intel_crtc_prepare,
         .commit = psb_intel_crtc_commit,
+        .disable = psb_intel_crtc_disable,
 };
 
 const struct drm_crtc_funcs psb_intel_crtc_funcs = {
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index c605097bf598..e5b6a92e7102 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -91,14 +91,11 @@ i915_gem_wait_for_error(struct i915_gpu_error *error)
 {
         int ret;
 
-#define EXIT_COND (!i915_reset_in_progress(error))
+#define EXIT_COND (!i915_reset_in_progress(error) || \
+                   i915_terminally_wedged(error))
         if (EXIT_COND)
                 return 0;
 
-        /* GPU is already declared terminally dead, give up. */
-        if (i915_terminally_wedged(error))
-                return -EIO;
-
         /*
          * Only wait 10 seconds for the gpu reset to complete to avoid hanging
          * userspace. If it takes that long something really bad is going on and
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index dff9d4e5b92b..6eb99e13c37d 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -8177,6 +8177,11 @@ intel_modeset_check_state(struct drm_device *dev)
 
                 active = dev_priv->display.get_pipe_config(crtc,
                                                            &pipe_config);
+
+                /* hw state is inconsistent with the pipe A quirk */
+                if (crtc->pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE)
+                        active = crtc->active;
+
                 WARN(crtc->active != active,
                      "crtc active state doesn't match with hw state "
                      "(expected %i, found %i)\n", crtc->active, active);
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 655486099b76..0ef8b4dc835f 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -639,10 +639,10 @@ static const struct dmi_system_id intel_no_lvds[] = {
         },
         {
                 .callback = intel_no_lvds_dmi_callback,
-                .ident = "Hewlett-Packard HP t5740e Thin Client",
+                .ident = "Hewlett-Packard HP t5740",
                 .matches = {
                         DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "HP t5740e Thin Client"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, " t5740"),
                 },
         },
         {
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 7068195376ef..c55841937705 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1844,15 +1844,9 @@ static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
         struct drm_display_mode *newmode;
 
         /*
-         * Attempt to get the mode list from DDC.
-         * Assume that the preferred modes are
-         * arranged in priority order.
+         * Fetch modes from VBT. For SDVO prefer the VBT mode since some
+         * SDVO->LVDS transcoders can't cope with the EDID mode.
          */
-        intel_ddc_get_modes(connector, intel_sdvo->i2c);
-        if (list_empty(&connector->probed_modes) == false)
-                goto end;
-
-        /* Fetch modes from VBT */
         if (dev_priv->vbt.sdvo_lvds_vbt_mode != NULL) {
                 newmode = drm_mode_duplicate(connector->dev,
                                              dev_priv->vbt.sdvo_lvds_vbt_mode);
@@ -1864,7 +1858,13 @@ static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
                 }
         }
 
-end:
+        /*
+         * Attempt to get the mode list from DDC.
+         * Assume that the preferred modes are
+         * arranged in priority order.
+         */
+        intel_ddc_get_modes(connector, &intel_sdvo->ddc);
+
         list_for_each_entry(newmode, &connector->probed_modes, head) {
                 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
                         intel_sdvo->sdvo_lvds_fixed_mode =
@@ -2860,12 +2860,6 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
                         SDVOB_HOTPLUG_INT_STATUS_I915 : SDVOC_HOTPLUG_INT_STATUS_I915;
         }
 
-        /* Only enable the hotplug irq if we need it, to work around noisy
-         * hotplug lines.
-         */
-        if (intel_sdvo->hotplug_active)
-                intel_encoder->hpd_pin = HPD_SDVO_B ? HPD_SDVO_B : HPD_SDVO_C;
-
         intel_encoder->compute_config = intel_sdvo_compute_config;
         intel_encoder->disable = intel_disable_sdvo;
         intel_encoder->mode_set = intel_sdvo_mode_set;
@@ -2885,6 +2879,14 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
                 goto err_output;
         }
 
+        /* Only enable the hotplug irq if we need it, to work around noisy
+         * hotplug lines.
+         */
+        if (intel_sdvo->hotplug_active) {
+                intel_encoder->hpd_pin =
+                        intel_sdvo->is_sdvob ?  HPD_SDVO_B : HPD_SDVO_C;
+        }
+
         /*
          * Cloning SDVO with anything is often impossible, since the SDVO
          * encoder can request a special input timing mode. And even if that's
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index deed0bda3528..5b1a9e73fe58 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -1034,13 +1034,14 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
                         else
                                 hi_pri_lvl = 5;
 
-                        WREG8(0x1fde, 0x06);
-                        WREG8(0x1fdf, hi_pri_lvl);
+                        WREG8(MGAREG_CRTCEXT_INDEX, 0x06);
+                        WREG8(MGAREG_CRTCEXT_DATA, hi_pri_lvl);
                 } else {
+                        WREG8(MGAREG_CRTCEXT_INDEX, 0x06);
                         if (mdev->reg_1e24 >= 0x01)
-                                WREG8(0x1fdf, 0x03);
+                                WREG8(MGAREG_CRTCEXT_DATA, 0x03);
                         else
-                                WREG8(0x1fdf, 0x04);
+                                WREG8(MGAREG_CRTCEXT_DATA, 0x04);
                 }
         }
         return 0;
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/dacnv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/dacnv50.c
index d0817d94454c..f02fd9f443ff 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/dacnv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/dacnv50.c
@@ -50,11 +50,16 @@ nv50_dac_sense(struct nv50_disp_priv *priv, int or, u32 loadval)
 {
         const u32 doff = (or * 0x800);
         int load = -EINVAL;
+        nv_mask(priv, 0x61a004 + doff, 0x807f0000, 0x80150000);
+        nv_wait(priv, 0x61a004 + doff, 0x80000000, 0x00000000);
         nv_wr32(priv, 0x61a00c + doff, 0x00100000 | loadval);
-        udelay(9500);
+        mdelay(9);
+        udelay(500);
         nv_wr32(priv, 0x61a00c + doff, 0x80000000);
         load = (nv_rd32(priv, 0x61a00c + doff) & 0x38000000) >> 27;
         nv_wr32(priv, 0x61a00c + doff, 0x00000000);
+        nv_mask(priv, 0x61a004 + doff, 0x807f0000, 0x80550000);
+        nv_wait(priv, 0x61a004 + doff, 0x80000000, 0x00000000);
         return load;
 }
 
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/hdminv84.c b/drivers/gpu/drm/nouveau/core/engine/disp/hdminv84.c
index 0d36bdc51417..7fdade6e604d 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/hdminv84.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/hdminv84.c
@@ -55,6 +55,10 @@ nv84_hdmi_ctrl(struct nv50_disp_priv *priv, int head, int or, u32 data)
         nv_wr32(priv, 0x616510 + hoff, 0x00000000);
         nv_mask(priv, 0x616500 + hoff, 0x00000001, 0x00000001);
 
+        nv_mask(priv, 0x6165d0 + hoff, 0x00070001, 0x00010001); /* SPARE, HW_CTS */
+        nv_mask(priv, 0x616568 + hoff, 0x00010101, 0x00000000); /* ACR_CTRL, ?? */
+        nv_mask(priv, 0x616578 + hoff, 0x80000000, 0x80000000); /* ACR_0441_ENABLE */
+
         /* ??? */
         nv_mask(priv, 0x61733c, 0x00100000, 0x00100000); /* RESETF */
         nv_mask(priv, 0x61733c, 0x10000000, 0x10000000); /* LOOKUP_EN */
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c
index 89bf459d584b..e9b8217d0075 100644
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c
@@ -40,14 +40,13 @@
  * FIFO channel objects
  ******************************************************************************/
 
-void
-nv50_fifo_playlist_update(struct nv50_fifo_priv *priv)
+static void
+nv50_fifo_playlist_update_locked(struct nv50_fifo_priv *priv)
 {
         struct nouveau_bar *bar = nouveau_bar(priv);
         struct nouveau_gpuobj *cur;
         int i, p;
 
-        mutex_lock(&nv_subdev(priv)->mutex);
         cur = priv->playlist[priv->cur_playlist];
         priv->cur_playlist = !priv->cur_playlist;
 
@@ -61,6 +60,13 @@ nv50_fifo_playlist_update(struct nv50_fifo_priv *priv)
         nv_wr32(priv, 0x0032f4, cur->addr >> 12);
         nv_wr32(priv, 0x0032ec, p);
         nv_wr32(priv, 0x002500, 0x00000101);
+}
+
+void
+nv50_fifo_playlist_update(struct nv50_fifo_priv *priv)
+{
+        mutex_lock(&nv_subdev(priv)->mutex);
+        nv50_fifo_playlist_update_locked(priv);
         mutex_unlock(&nv_subdev(priv)->mutex);
 }
 
@@ -489,7 +495,7 @@ nv50_fifo_init(struct nouveau_object *object)
 
         for (i = 0; i < 128; i++)
                 nv_wr32(priv, 0x002600 + (i * 4), 0x00000000);
-        nv50_fifo_playlist_update(priv);
+        nv50_fifo_playlist_update_locked(priv);
 
         nv_wr32(priv, 0x003200, 0x00000001);
         nv_wr32(priv, 0x003250, 0x00000001);
diff --git a/drivers/gpu/drm/nouveau/core/include/core/class.h b/drivers/gpu/drm/nouveau/core/include/core/class.h
index 0a393f7f055f..5a5961b6a6a3 100644
--- a/drivers/gpu/drm/nouveau/core/include/core/class.h
+++ b/drivers/gpu/drm/nouveau/core/include/core/class.h
@@ -218,7 +218,7 @@ struct nv04_display_class {
 #define NV50_DISP_DAC_PWR_STATE                                      0x00000040
 #define NV50_DISP_DAC_PWR_STATE_ON                                   0x00000000
 #define NV50_DISP_DAC_PWR_STATE_OFF                                  0x00000040
-#define NV50_DISP_DAC_LOAD                                           0x0002000c
+#define NV50_DISP_DAC_LOAD                                           0x00020100
 #define NV50_DISP_DAC_LOAD_VALUE                                     0x00000007
 
 #define NV50_DISP_PIOR_MTHD                                          0x00030000
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index ebf0a683305e..dd5e01f89f28 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -1554,7 +1554,9 @@ nv50_dac_detect(struct drm_encoder *encoder, struct drm_connector *connector)
 {
         struct nv50_disp *disp = nv50_disp(encoder->dev);
         int ret, or = nouveau_encoder(encoder)->or;
-        u32 load = 0;
+        u32 load = nouveau_drm(encoder->dev)->vbios.dactestval;
+        if (load == 0)
+                load = 340;
 
         ret = nv_exec(disp->core, NV50_DISP_DAC_LOAD + or, &load, sizeof(load));
         if (ret || load != 7)
diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c
index 9c53c25e5201..826586ffbe83 100644
--- a/drivers/gpu/drm/omapdrm/omap_drv.c
+++ b/drivers/gpu/drm/omapdrm/omap_drv.c
@@ -649,6 +649,9 @@ static void pdev_shutdown(struct platform_device *device)
 
 static int pdev_probe(struct platform_device *device)
 {
+        if (omapdss_is_initialized() == false)
+                return -EPROBE_DEFER;
+
         DBG("%s", device->name);
         return drm_platform_init(&omap_drm_driver, device);
 }
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index 44a7da66e081..8406c8251fbf 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -667,6 +667,8 @@ atombios_digital_setup(struct drm_encoder *encoder, int action)
 int
 atombios_get_encoder_mode(struct drm_encoder *encoder)
 {
+        struct drm_device *dev = encoder->dev;
+        struct radeon_device *rdev = dev->dev_private;
         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
         struct drm_connector *connector;
         struct radeon_connector *radeon_connector;
@@ -693,7 +695,8 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
         case DRM_MODE_CONNECTOR_DVII:
         case DRM_MODE_CONNECTOR_HDMIB: /* HDMI-B is basically DL-DVI; analog works fine */
                 if (drm_detect_hdmi_monitor(radeon_connector->edid) &&
-                    radeon_audio)
+                    radeon_audio &&
+                    !ASIC_IS_DCE6(rdev)) /* remove once we support DCE6 */
                         return ATOM_ENCODER_MODE_HDMI;
                 else if (radeon_connector->use_digital)
                         return ATOM_ENCODER_MODE_DVI;
@@ -704,7 +707,8 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
         case DRM_MODE_CONNECTOR_HDMIA:
         default:
                 if (drm_detect_hdmi_monitor(radeon_connector->edid) &&
-                    radeon_audio)
+                    radeon_audio &&
+                    !ASIC_IS_DCE6(rdev)) /* remove once we support DCE6 */
                         return ATOM_ENCODER_MODE_HDMI;
                 else
                         return ATOM_ENCODER_MODE_DVI;
@@ -718,7 +722,8 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
                     (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
                         return ATOM_ENCODER_MODE_DP;
                 else if (drm_detect_hdmi_monitor(radeon_connector->edid) &&
-                         radeon_audio)
+                         radeon_audio &&
+                         !ASIC_IS_DCE6(rdev)) /* remove once we support DCE6 */
                         return ATOM_ENCODER_MODE_HDMI;
                 else
                         return ATOM_ENCODER_MODE_DVI;
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 8546e3b333b4..0f89ce3d02b9 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -4754,6 +4754,12 @@ static int evergreen_startup(struct radeon_device *rdev)
                 rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
 
         /* Enable IRQ */
+        if (!rdev->irq.installed) {
+                r = radeon_irq_kms_init(rdev);
+                if (r)
+                        return r;
+        }
+
         r = r600_irq_init(rdev);
         if (r) {
                 DRM_ERROR("radeon: IH init failed (%d).\n", r);
@@ -4923,10 +4929,6 @@ int evergreen_init(struct radeon_device *rdev)
         if (r)
                 return r;
 
-        r = radeon_irq_kms_init(rdev);
-        if (r)
-                return r;
-
         rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
         r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
 
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 7969c0c8ec20..84583302b081 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -2025,6 +2025,12 @@ static int cayman_startup(struct radeon_device *rdev)
         }
 
         /* Enable IRQ */
+        if (!rdev->irq.installed) {
+                r = radeon_irq_kms_init(rdev);
+                if (r)
+                        return r;
+        }
+
         r = r600_irq_init(rdev);
         if (r) {
                 DRM_ERROR("radeon: IH init failed (%d).\n", r);
@@ -2190,10 +2196,6 @@ int cayman_init(struct radeon_device *rdev)
         if (r)
                 return r;
 
-        r = radeon_irq_kms_init(rdev);
-        if (r)
-                return r;
-
         ring->ring_obj = NULL;
         r600_ring_init(rdev, ring, 1024 * 1024);
 
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 4973bff37fec..d0314ecbd7c1 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -3869,6 +3869,12 @@ static int r100_startup(struct radeon_device *rdev)
         }
 
         /* Enable IRQ */
+        if (!rdev->irq.installed) {
+                r = radeon_irq_kms_init(rdev);
+                if (r)
+                        return r;
+        }
+
         r100_irq_set(rdev);
         rdev->config.r100.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
         /* 1M ring buffer */
@@ -4024,9 +4030,6 @@ int r100_init(struct radeon_device *rdev)
         r = radeon_fence_driver_init(rdev);
         if (r)
                 return r;
-        r = radeon_irq_kms_init(rdev);
-        if (r)
-                return r;
         /* Memory manager */
         r = radeon_bo_init(rdev);
         if (r)
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index c60350e6872d..b9b776f1e582 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -1382,6 +1382,12 @@ static int r300_startup(struct radeon_device *rdev)
         }
 
         /* Enable IRQ */
+        if (!rdev->irq.installed) {
+                r = radeon_irq_kms_init(rdev);
+                if (r)
+                        return r;
+        }
+
         r100_irq_set(rdev);
         rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
         /* 1M ring buffer */
@@ -1516,9 +1522,6 @@ int r300_init(struct radeon_device *rdev)
         r = radeon_fence_driver_init(rdev);
         if (r)
                 return r;
-        r = radeon_irq_kms_init(rdev);
-        if (r)
-                return r;
         /* Memory manager */
         r = radeon_bo_init(rdev);
         if (r)
diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c
index 6fce2eb4dd16..4e796ecf9ea4 100644
--- a/drivers/gpu/drm/radeon/r420.c
+++ b/drivers/gpu/drm/radeon/r420.c
@@ -265,6 +265,12 @@ static int r420_startup(struct radeon_device *rdev)
         }
 
         /* Enable IRQ */
+        if (!rdev->irq.installed) {
+                r = radeon_irq_kms_init(rdev);
+                if (r)
+                        return r;
+        }
+
         r100_irq_set(rdev);
         rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
         /* 1M ring buffer */
@@ -411,10 +417,6 @@ int r420_init(struct radeon_device *rdev)
         if (r) {
                 return r;
         }
-        r = radeon_irq_kms_init(rdev);
-        if (r) {
-                return r;
-        }
         /* Memory manager */
         r = radeon_bo_init(rdev);
         if (r) {
diff --git a/drivers/gpu/drm/radeon/r520.c b/drivers/gpu/drm/radeon/r520.c
index f795a4e092cb..e1aece73b370 100644
--- a/drivers/gpu/drm/radeon/r520.c
+++ b/drivers/gpu/drm/radeon/r520.c
@@ -194,6 +194,12 @@ static int r520_startup(struct radeon_device *rdev)
         }
 
         /* Enable IRQ */
+        if (!rdev->irq.installed) {
+                r = radeon_irq_kms_init(rdev);
+                if (r)
+                        return r;
+        }
+
         rs600_irq_set(rdev);
         rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
         /* 1M ring buffer */
@@ -297,9 +303,6 @@ int r520_init(struct radeon_device *rdev)
         r = radeon_fence_driver_init(rdev);
         if (r)
                 return r;
-        r = radeon_irq_kms_init(rdev);
-        if (r)
-                return r;
         /* Memory manager */
         r = radeon_bo_init(rdev);
         if (r)
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index b45e64848677..6948eb88c2b7 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1046,6 +1046,24 @@ int r600_mc_wait_for_idle(struct radeon_device *rdev)
         return -1;
 }
 
+uint32_t rs780_mc_rreg(struct radeon_device *rdev, uint32_t reg)
+{
+        uint32_t r;
+
+        WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg));
+        r = RREG32(R_0028FC_MC_DATA);
+        WREG32(R_0028F8_MC_INDEX, ~C_0028F8_MC_IND_ADDR);
+        return r;
+}
+
+void rs780_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
+{
+        WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg) |
+                S_0028F8_MC_IND_WR_EN(1));
+        WREG32(R_0028FC_MC_DATA, v);
+        WREG32(R_0028F8_MC_INDEX, 0x7F);
+}
+
 static void r600_mc_program(struct radeon_device *rdev)
 {
         struct rv515_mc_save save;
@@ -1181,6 +1199,8 @@ static int r600_mc_init(struct radeon_device *rdev)
 {
         u32 tmp;
         int chansize, numchan;
+        uint32_t h_addr, l_addr;
+        unsigned long long k8_addr;
 
         /* Get VRAM informations */
         rdev->mc.vram_is_ddr = true;
@@ -1221,7 +1241,30 @@ static int r600_mc_init(struct radeon_device *rdev)
         if (rdev->flags & RADEON_IS_IGP) {
                 rs690_pm_info(rdev);
                 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
+
+                if (rdev->family == CHIP_RS780 || rdev->family == CHIP_RS880) {
+                        /* Use K8 direct mapping for fast fb access. */
+                        rdev->fastfb_working = false;
+                        h_addr = G_000012_K8_ADDR_EXT(RREG32_MC(R_000012_MC_MISC_UMA_CNTL));
+                        l_addr = RREG32_MC(R_000011_K8_FB_LOCATION);
+                        k8_addr = ((unsigned long long)h_addr) << 32 | l_addr;
+#if defined(CONFIG_X86_32) && !defined(CONFIG_X86_PAE)
+                        if (k8_addr + rdev->mc.visible_vram_size < 0x100000000ULL)
+#endif
+                        {
+                                /* FastFB shall be used with UMA memory. Here it is simply disabled when sideport
+                                * memory is present.
+                                */
+                                if (rdev->mc.igp_sideport_enabled == false && radeon_fastfb == 1) {
+                                        DRM_INFO("Direct mapping: aper base at 0x%llx, replaced by direct mapping base 0x%llx.\n",
+                                                (unsigned long long)rdev->mc.aper_base, k8_addr);
+                                        rdev->mc.aper_base = (resource_size_t)k8_addr;
+                                        rdev->fastfb_working = true;
+                                }
+                        }
+                }
         }
+
         radeon_update_bandwidth_info(rdev);
         return 0;
 }
@@ -2644,6 +2687,9 @@ void r600_uvd_rbc_stop(struct radeon_device *rdev)
 int r600_uvd_init(struct radeon_device *rdev)
 {
         int i, j, r;
+        /* disable byte swapping */
+        u32 lmi_swap_cntl = 0;
+        u32 mp_swap_cntl = 0;
 
         /* raise clocks while booting up the VCPU */
         radeon_set_uvd_clocks(rdev, 53300, 40000);
@@ -2668,9 +2714,13 @@ int r600_uvd_init(struct radeon_device *rdev)
         WREG32(UVD_LMI_CTRL, 0x40 | (1 << 8) | (1 << 13) |
                              (1 << 21) | (1 << 9) | (1 << 20));
 
-        /* disable byte swapping */
-        WREG32(UVD_LMI_SWAP_CNTL, 0);
-        WREG32(UVD_MP_SWAP_CNTL, 0);
+#ifdef __BIG_ENDIAN
+        /* swap (8 in 32) RB and IB */
+        lmi_swap_cntl = 0xa;
+        mp_swap_cntl = 0;
+#endif
+        WREG32(UVD_LMI_SWAP_CNTL, lmi_swap_cntl);
+        WREG32(UVD_MP_SWAP_CNTL, mp_swap_cntl);
 
         WREG32(UVD_MPC_SET_MUXA0, 0x40c2040);
         WREG32(UVD_MPC_SET_MUXA1, 0x0);
@@ -3202,6 +3252,12 @@ static int r600_startup(struct radeon_device *rdev)
         }
 
         /* Enable IRQ */
+        if (!rdev->irq.installed) {
+                r = radeon_irq_kms_init(rdev);
+                if (r)
+                        return r;
+        }
+
         r = r600_irq_init(rdev);
         if (r) {
                 DRM_ERROR("radeon: IH init failed (%d).\n", r);
@@ -3356,10 +3412,6 @@ int r600_init(struct radeon_device *rdev)
         if (r)
                 return r;
 
-        r = radeon_irq_kms_init(rdev);
-        if (r)
-                return r;
-
         rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
         r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
 
diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h
index acb146c06973..79df558f8c40 100644
--- a/drivers/gpu/drm/radeon/r600d.h
+++ b/drivers/gpu/drm/radeon/r600d.h
@@ -1342,6 +1342,14 @@
 #define PACKET3_STRMOUT_BASE_UPDATE                     0x72 /* r7xx */
 #define PACKET3_SURFACE_BASE_UPDATE                     0x73
 
+#define R_000011_K8_FB_LOCATION                 0x11
+#define R_000012_MC_MISC_UMA_CNTL               0x12
+#define   G_000012_K8_ADDR_EXT(x)               (((x) >> 0) & 0xFF)
+#define R_0028F8_MC_INDEX                       0x28F8
+#define         S_0028F8_MC_IND_ADDR(x)                 (((x) & 0x1FF) << 0)
+#define         C_0028F8_MC_IND_ADDR                    0xFFFFFE00
+#define         S_0028F8_MC_IND_WR_EN(x)                (((x) & 0x1) << 9)
+#define R_0028FC_MC_DATA                        0x28FC
 
 #define R_008020_GRBM_SOFT_RESET                0x8020
 #define         S_008020_SOFT_RESET_CP(x)               (((x) & 1) << 0)
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 06b8c19ab19e..a2802b47ee95 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -122,6 +122,10 @@ static void radeon_register_accessor_init(struct radeon_device *rdev)
                 rdev->mc_rreg = &rs600_mc_rreg;
                 rdev->mc_wreg = &rs600_mc_wreg;
         }
+        if (rdev->family == CHIP_RS780 || rdev->family == CHIP_RS880) {
+                rdev->mc_rreg = &rs780_mc_rreg;
+                rdev->mc_wreg = &rs780_mc_wreg;
+        }
         if (rdev->family >= CHIP_R600) {
                 rdev->pciep_rreg = &r600_pciep_rreg;
                 rdev->pciep_wreg = &r600_pciep_wreg;
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 2c87365d345f..a72759ede753 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -347,6 +347,8 @@ extern bool r600_gui_idle(struct radeon_device *rdev);
 extern void r600_pm_misc(struct radeon_device *rdev);
 extern void r600_pm_init_profile(struct radeon_device *rdev);
 extern void rs780_pm_init_profile(struct radeon_device *rdev);
+extern uint32_t rs780_mc_rreg(struct radeon_device *rdev, uint32_t reg);
+extern void rs780_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v);
 extern void r600_pm_get_dynpm_state(struct radeon_device *rdev);
 extern void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes);
 extern int r600_get_pcie_lanes(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 189973836cff..b0dc0b6cb4e0 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -244,16 +244,6 @@ void radeon_scratch_free(struct radeon_device *rdev, uint32_t reg)
  */
 void radeon_wb_disable(struct radeon_device *rdev)
 {
-        int r;
-
-        if (rdev->wb.wb_obj) {
-                r = radeon_bo_reserve(rdev->wb.wb_obj, false);
-                if (unlikely(r != 0))
-                        return;
-                radeon_bo_kunmap(rdev->wb.wb_obj);
-                radeon_bo_unpin(rdev->wb.wb_obj);
-                radeon_bo_unreserve(rdev->wb.wb_obj);
-        }
         rdev->wb.enabled = false;
 }
 
@@ -269,6 +259,11 @@ void radeon_wb_fini(struct radeon_device *rdev)
 {
         radeon_wb_disable(rdev);
         if (rdev->wb.wb_obj) {
+                if (!radeon_bo_reserve(rdev->wb.wb_obj, false)) {
+                        radeon_bo_kunmap(rdev->wb.wb_obj);
+                        radeon_bo_unpin(rdev->wb.wb_obj);
+                        radeon_bo_unreserve(rdev->wb.wb_obj);
+                }
                 radeon_bo_unref(&rdev->wb.wb_obj);
                 rdev->wb.wb = NULL;
                 rdev->wb.wb_obj = NULL;
@@ -295,26 +290,26 @@ int radeon_wb_init(struct radeon_device *rdev)
                         dev_warn(rdev->dev, "(%d) create WB bo failed\n", r);
                         return r;
                 }
-        }
-        r = radeon_bo_reserve(rdev->wb.wb_obj, false);
-        if (unlikely(r != 0)) {
-                radeon_wb_fini(rdev);
-                return r;
-        }
-        r = radeon_bo_pin(rdev->wb.wb_obj, RADEON_GEM_DOMAIN_GTT,
-                          &rdev->wb.gpu_addr);
-        if (r) {
+                r = radeon_bo_reserve(rdev->wb.wb_obj, false);
+                if (unlikely(r != 0)) {
+                        radeon_wb_fini(rdev);
+                        return r;
+                }
+                r = radeon_bo_pin(rdev->wb.wb_obj, RADEON_GEM_DOMAIN_GTT,
+                                &rdev->wb.gpu_addr);
+                if (r) {
+                        radeon_bo_unreserve(rdev->wb.wb_obj);
+                        dev_warn(rdev->dev, "(%d) pin WB bo failed\n", r);
+                        radeon_wb_fini(rdev);
+                        return r;
+                }
+                r = radeon_bo_kmap(rdev->wb.wb_obj, (void **)&rdev->wb.wb);
                 radeon_bo_unreserve(rdev->wb.wb_obj);
-                dev_warn(rdev->dev, "(%d) pin WB bo failed\n", r);
-                radeon_wb_fini(rdev);
-                return r;
-        }
-        r = radeon_bo_kmap(rdev->wb.wb_obj, (void **)&rdev->wb.wb);
-        radeon_bo_unreserve(rdev->wb.wb_obj);
-        if (r) {
-                dev_warn(rdev->dev, "(%d) map WB bo failed\n", r);
-                radeon_wb_fini(rdev);
-                return r;
+                if (r) {
+                        dev_warn(rdev->dev, "(%d) map WB bo failed\n", r);
+                        radeon_wb_fini(rdev);
+                        return r;
+                }
         }
 
         /* clear wb memory */
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index 5b937dfe6f65..ddb8f8e04eb5 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -63,7 +63,9 @@ static void radeon_fence_write(struct radeon_device *rdev, u32 seq, int ring)
 {
         struct radeon_fence_driver *drv = &rdev->fence_drv[ring];
         if (likely(rdev->wb.enabled || !drv->scratch_reg)) {
-                *drv->cpu_addr = cpu_to_le32(seq);
+                if (drv->cpu_addr) {
+                        *drv->cpu_addr = cpu_to_le32(seq);
+                }
         } else {
                 WREG32(drv->scratch_reg, seq);
         }
@@ -84,7 +86,11 @@ static u32 radeon_fence_read(struct radeon_device *rdev, int ring)
         u32 seq = 0;
 
         if (likely(rdev->wb.enabled || !drv->scratch_reg)) {
-                seq = le32_to_cpu(*drv->cpu_addr);
+                if (drv->cpu_addr) {
+                        seq = le32_to_cpu(*drv->cpu_addr);
+                } else {
+                        seq = lower_32_bits(atomic64_read(&drv->last_seq));
+                }
         } else {
                 seq = RREG32(drv->scratch_reg);
         }
diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c
index 2c1341f63dc5..43ec4a401f07 100644
--- a/drivers/gpu/drm/radeon/radeon_gart.c
+++ b/drivers/gpu/drm/radeon/radeon_gart.c
@@ -1197,11 +1197,13 @@ int radeon_vm_bo_update_pte(struct radeon_device *rdev,
 int radeon_vm_bo_rmv(struct radeon_device *rdev,
                      struct radeon_bo_va *bo_va)
 {
-        int r;
+        int r = 0;
 
         mutex_lock(&rdev->vm_manager.lock);
         mutex_lock(&bo_va->vm->mutex);
-        r = radeon_vm_bo_update_pte(rdev, bo_va->vm, bo_va->bo, NULL);
+        if (bo_va->soffset) {
+                r = radeon_vm_bo_update_pte(rdev, bo_va->vm, bo_va->bo, NULL);
+        }
         mutex_unlock(&rdev->vm_manager.lock);
         list_del(&bo_va->vm_list);
         mutex_unlock(&bo_va->vm->mutex);
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index e17faa7cf732..82434018cbe8 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -402,6 +402,13 @@ int radeon_ring_alloc(struct radeon_device *rdev, struct radeon_ring *ring, unsi
                 return -ENOMEM;
         /* Align requested size with padding so unlock_commit can
          * pad safely */
+        radeon_ring_free_size(rdev, ring);
+        if (ring->ring_free_dw == (ring->ring_size / 4)) {
+                /* This is an empty ring update lockup info to avoid
+                 * false positive.
+                 */
+                radeon_ring_lockup_update(ring);
+        }
         ndw = (ndw + ring->align_mask) & ~ring->align_mask;
         while (ndw > (ring->ring_free_dw - 1)) {
                 radeon_ring_free_size(rdev, ring);
diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c
index 906e5c0ca3b9..cad735dd02c6 100644
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -159,7 +159,17 @@ int radeon_uvd_suspend(struct radeon_device *rdev)
         if (!r) {
                 radeon_bo_kunmap(rdev->uvd.vcpu_bo);
                 radeon_bo_unpin(rdev->uvd.vcpu_bo);
+                rdev->uvd.cpu_addr = NULL;
+                if (!radeon_bo_pin(rdev->uvd.vcpu_bo, RADEON_GEM_DOMAIN_CPU, NULL)) {
+                        radeon_bo_kmap(rdev->uvd.vcpu_bo, &rdev->uvd.cpu_addr);
+                }
                 radeon_bo_unreserve(rdev->uvd.vcpu_bo);
+
+                if (rdev->uvd.cpu_addr) {
+                        radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
+                } else {
+                        rdev->fence_drv[R600_RING_TYPE_UVD_INDEX].cpu_addr = NULL;
+                }
         }
         return r;
 }
@@ -178,6 +188,10 @@ int radeon_uvd_resume(struct radeon_device *rdev)
                 return r;
         }
 
+        /* Have been pin in cpu unmap unpin */
+        radeon_bo_kunmap(rdev->uvd.vcpu_bo);
+        radeon_bo_unpin(rdev->uvd.vcpu_bo);
+
         r = radeon_bo_pin(rdev->uvd.vcpu_bo, RADEON_GEM_DOMAIN_VRAM,
                           &rdev->uvd.gpu_addr);
         if (r) {
@@ -613,19 +627,19 @@ int radeon_uvd_get_create_msg(struct radeon_device *rdev, int ring,
         }
 
         /* stitch together an UVD create msg */
-        msg[0] = 0x00000de4;
-        msg[1] = 0x00000000;
-        msg[2] = handle;
-        msg[3] = 0x00000000;
-        msg[4] = 0x00000000;
-        msg[5] = 0x00000000;
-        msg[6] = 0x00000000;
-        msg[7] = 0x00000780;
-        msg[8] = 0x00000440;
-        msg[9] = 0x00000000;
-        msg[10] = 0x01b37000;
+        msg[0] = cpu_to_le32(0x00000de4);
+        msg[1] = cpu_to_le32(0x00000000);
+        msg[2] = cpu_to_le32(handle);
+        msg[3] = cpu_to_le32(0x00000000);
+        msg[4] = cpu_to_le32(0x00000000);
+        msg[5] = cpu_to_le32(0x00000000);
+        msg[6] = cpu_to_le32(0x00000000);
+        msg[7] = cpu_to_le32(0x00000780);
+        msg[8] = cpu_to_le32(0x00000440);
+        msg[9] = cpu_to_le32(0x00000000);
+        msg[10] = cpu_to_le32(0x01b37000);
         for (i = 11; i < 1024; ++i)
-                msg[i] = 0x0;
+                msg[i] = cpu_to_le32(0x0);
 
         radeon_bo_kunmap(bo);
         radeon_bo_unreserve(bo);
@@ -659,12 +673,12 @@ int radeon_uvd_get_destroy_msg(struct radeon_device *rdev, int ring,
         }
 
         /* stitch together an UVD destroy msg */
-        msg[0] = 0x00000de4;
-        msg[1] = 0x00000002;
-        msg[2] = handle;
-        msg[3] = 0x00000000;
+        msg[0] = cpu_to_le32(0x00000de4);
+        msg[1] = cpu_to_le32(0x00000002);
+        msg[2] = cpu_to_le32(handle);
+        msg[3] = cpu_to_le32(0x00000000);
         for (i = 4; i < 1024; ++i)
-                msg[i] = 0x0;
+                msg[i] = cpu_to_le32(0x0);
 
         radeon_bo_kunmap(bo);
         radeon_bo_unreserve(bo);
diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c
index 73051ce3121e..233a9b9fa1f7 100644
--- a/drivers/gpu/drm/radeon/rs400.c
+++ b/drivers/gpu/drm/radeon/rs400.c
@@ -417,6 +417,12 @@ static int rs400_startup(struct radeon_device *rdev)
         }
 
         /* Enable IRQ */
+        if (!rdev->irq.installed) {
+                r = radeon_irq_kms_init(rdev);
+                if (r)
+                        return r;
+        }
+
         r100_irq_set(rdev);
         rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
         /* 1M ring buffer */
@@ -535,9 +541,6 @@ int rs400_init(struct radeon_device *rdev)
         r = radeon_fence_driver_init(rdev);
         if (r)
                 return r;
-        r = radeon_irq_kms_init(rdev);
-        if (r)
-                return r;
         /* Memory manager */
         r = radeon_bo_init(rdev);
         if (r)
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index 46fa1b07c560..670b555d2ca2 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -923,6 +923,12 @@ static int rs600_startup(struct radeon_device *rdev)
         }
 
         /* Enable IRQ */
+        if (!rdev->irq.installed) {
+                r = radeon_irq_kms_init(rdev);
+                if (r)
+                        return r;
+        }
+
         rs600_irq_set(rdev);
         rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
         /* 1M ring buffer */
@@ -1047,9 +1053,6 @@ int rs600_init(struct radeon_device *rdev)
         r = radeon_fence_driver_init(rdev);
         if (r)
                 return r;
-        r = radeon_irq_kms_init(rdev);
-        if (r)
-                return r;
         /* Memory manager */
         r = radeon_bo_init(rdev);
         if (r)
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index ab4c86cfd552..55880d5962c3 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -651,6 +651,12 @@ static int rs690_startup(struct radeon_device *rdev)
         }
 
         /* Enable IRQ */
+        if (!rdev->irq.installed) {
+                r = radeon_irq_kms_init(rdev);
+                if (r)
+                        return r;
+        }
+
         rs600_irq_set(rdev);
         rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
         /* 1M ring buffer */
@@ -776,9 +782,6 @@ int rs690_init(struct radeon_device *rdev)
         r = radeon_fence_driver_init(rdev);
         if (r)
                 return r;
-        r = radeon_irq_kms_init(rdev);
-        if (r)
-                return r;
         /* Memory manager */
         r = radeon_bo_init(rdev);
         if (r)
diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c
index ffcba730c57c..21c7d7b26e55 100644
--- a/drivers/gpu/drm/radeon/rv515.c
+++ b/drivers/gpu/drm/radeon/rv515.c
@@ -532,6 +532,12 @@ static int rv515_startup(struct radeon_device *rdev)
         }
 
         /* Enable IRQ */
+        if (!rdev->irq.installed) {
+                r = radeon_irq_kms_init(rdev);
+                if (r)
+                        return r;
+        }
+
         rs600_irq_set(rdev);
         rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
         /* 1M ring buffer */
@@ -662,9 +668,6 @@ int rv515_init(struct radeon_device *rdev)
         r = radeon_fence_driver_init(rdev);
         if (r)
                 return r;
-        r = radeon_irq_kms_init(rdev);
-        if (r)
-                return r;
         /* Memory manager */
         r = radeon_bo_init(rdev);
         if (r)
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 08aef24afe40..4a62ad2e5399 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -1887,6 +1887,12 @@ static int rv770_startup(struct radeon_device *rdev)
                 rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
 
         /* Enable IRQ */
+        if (!rdev->irq.installed) {
+                r = radeon_irq_kms_init(rdev);
+                if (r)
+                        return r;
+        }
+
         r = r600_irq_init(rdev);
         if (r) {
                 DRM_ERROR("radeon: IH init failed (%d).\n", r);
@@ -2045,10 +2051,6 @@ int rv770_init(struct radeon_device *rdev)
         if (r)
                 return r;
 
-        r = radeon_irq_kms_init(rdev);
-        if (r)
-                return r;
-
         rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
         r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
 
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index d1ba9d88f311..a1b0da6b5808 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -5350,6 +5350,12 @@ static int si_startup(struct radeon_device *rdev)
         }
 
         /* Enable IRQ */
+        if (!rdev->irq.installed) {
+                r = radeon_irq_kms_init(rdev);
+                if (r)
+                        return r;
+        }
+
         r = si_irq_init(rdev);
         if (r) {
                 DRM_ERROR("radeon: IH init failed (%d).\n", r);
@@ -5533,10 +5539,6 @@ int si_init(struct radeon_device *rdev)
         if (r)
                 return r;
 
-        r = radeon_irq_kms_init(rdev);
-        if (r)
-                return r;
-
         ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
         ring->ring_obj = NULL;
         r600_ring_init(rdev, ring, 1024 * 1024);
diff --git a/drivers/gpu/drm/tilcdc/Kconfig b/drivers/gpu/drm/tilcdc/Kconfig
index e461e9972455..7a4d10106906 100644
--- a/drivers/gpu/drm/tilcdc/Kconfig
+++ b/drivers/gpu/drm/tilcdc/Kconfig
@@ -6,6 +6,7 @@ config DRM_TILCDC
         select DRM_GEM_CMA_HELPER
         select VIDEOMODE_HELPERS
         select BACKLIGHT_CLASS_DEVICE
+        select BACKLIGHT_LCD_SUPPORT
         help
           Choose this option if you have an TI SoC with LCDC display
           controller, for example AM33xx in beagle-bone, DA8xx, or
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index dc3ae5c56f56..d39a5cede0b0 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -264,9 +264,12 @@ static struct mt_class mt_classes[] = {
 static void mt_free_input_name(struct hid_input *hi)
 {
         struct hid_device *hdev = hi->report->device;
+        const char *name = hi->input->name;
 
-        if (hi->input->name != hdev->name)
-                kfree(hi->input->name);
+        if (name != hdev->name) {
+                hi->input->name = hdev->name;
+                kfree(name);
+        }
 }
 
 static ssize_t mt_show_quirks(struct device *dev,
@@ -1040,11 +1043,11 @@ static void mt_remove(struct hid_device *hdev)
         struct hid_input *hi;
 
         sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group);
-        hid_hw_stop(hdev);
-
         list_for_each_entry(hi, &hdev->inputs, list)
                 mt_free_input_name(hi);
 
+        hid_hw_stop(hdev);
+
         kfree(td);
         hid_set_drvdata(hdev, NULL);
 }
diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c
index 7e76922a4ba9..f920619cd6da 100644
--- a/drivers/hwmon/adm1021.c
+++ b/drivers/hwmon/adm1021.c
@@ -331,26 +331,68 @@ static int adm1021_detect(struct i2c_client *client,
         man_id = i2c_smbus_read_byte_data(client, ADM1021_REG_MAN_ID);
         dev_id = i2c_smbus_read_byte_data(client, ADM1021_REG_DEV_ID);
 
+        if (man_id < 0 || dev_id < 0)
+                return -ENODEV;
+
         if (man_id == 0x4d && dev_id == 0x01)
                 type_name = "max1617a";
         else if (man_id == 0x41) {
                 if ((dev_id & 0xF0) == 0x30)
                         type_name = "adm1023";
-                else
+                else if ((dev_id & 0xF0) == 0x00)
                         type_name = "adm1021";
+                else
+                        return -ENODEV;
         } else if (man_id == 0x49)
                 type_name = "thmc10";
         else if (man_id == 0x23)
                 type_name = "gl523sm";
         else if (man_id == 0x54)
                 type_name = "mc1066";
-        /* LM84 Mfr ID in a different place, and it has more unused bits */
-        else if (conv_rate == 0x00
-                 && (config & 0x7F) == 0x00
-                 && (status & 0xAB) == 0x00)
-                type_name = "lm84";
-        else
-                type_name = "max1617";
+        else {
+                int lte, rte, lhi, rhi, llo, rlo;
+
+                /* extra checks for LM84 and MAX1617 to avoid misdetections */
+
+                llo = i2c_smbus_read_byte_data(client, ADM1021_REG_THYST_R(0));
+                rlo = i2c_smbus_read_byte_data(client, ADM1021_REG_THYST_R(1));
+
+                /* fail if any of the additional register reads failed */
+                if (llo < 0 || rlo < 0)
+                        return -ENODEV;
+
+                lte = i2c_smbus_read_byte_data(client, ADM1021_REG_TEMP(0));
+                rte = i2c_smbus_read_byte_data(client, ADM1021_REG_TEMP(1));
+                lhi = i2c_smbus_read_byte_data(client, ADM1021_REG_TOS_R(0));
+                rhi = i2c_smbus_read_byte_data(client, ADM1021_REG_TOS_R(1));
+
+                /*
+                 * Fail for negative temperatures and negative high limits.
+                 * This check also catches read errors on the tested registers.
+                 */
+                if ((s8)lte < 0 || (s8)rte < 0 || (s8)lhi < 0 || (s8)rhi < 0)
+                        return -ENODEV;
+
+                /* fail if all registers hold the same value */
+                if (lte == rte && lte == lhi && lte == rhi && lte == llo
+                    && lte == rlo)
+                        return -ENODEV;
+
+                /*
+                 * LM84 Mfr ID is in a different place,
+                 * and it has more unused bits.
+                 */
+                if (conv_rate == 0x00
+                    && (config & 0x7F) == 0x00
+                    && (status & 0xAB) == 0x00) {
+                        type_name = "lm84";
+                } else {
+                        /* fail if low limits are larger than high limits */
+                        if ((s8)llo > lhi || (s8)rlo > rhi)
+                                return -ENODEV;
+                        type_name = "max1617";
+                }
+        }
 
         pr_debug("Detected chip %s at adapter %d, address 0x%02x.\n",
                  type_name, i2c_adapter_id(adapter), client->addr);
diff --git a/drivers/iio/buffer_cb.c b/drivers/iio/buffer_cb.c
index 9201022945e9..9d19ba74f22b 100644
--- a/drivers/iio/buffer_cb.c
+++ b/drivers/iio/buffer_cb.c
@@ -64,7 +64,7 @@ struct iio_cb_buffer *iio_channel_get_all_cb(struct device *dev,
         while (chan->indio_dev) {
                 if (chan->indio_dev != indio_dev) {
                         ret = -EINVAL;
-                        goto error_release_channels;
+                        goto error_free_scan_mask;
                 }
                 set_bit(chan->channel->scan_index,
                         cb_buff->buffer.scan_mask);
@@ -73,6 +73,8 @@ struct iio_cb_buffer *iio_channel_get_all_cb(struct device *dev,
 
         return cb_buff;
 
+error_free_scan_mask:
+        kfree(cb_buff->buffer.scan_mask);
 error_release_channels:
         iio_channel_release_all(cb_buff->channels);
 error_free_cb_buff:
@@ -100,6 +102,7 @@ EXPORT_SYMBOL_GPL(iio_channel_stop_all_cb);
 
 void iio_channel_release_all_cb(struct iio_cb_buffer *cb_buff)
 {
+        kfree(cb_buff->buffer.scan_mask);
         iio_channel_release_all(cb_buff->channels);
         kfree(cb_buff);
 }
diff --git a/drivers/iio/frequency/adf4350.c b/drivers/iio/frequency/adf4350.c
index a884252ac66b..e76d4ace53ff 100644
--- a/drivers/iio/frequency/adf4350.c
+++ b/drivers/iio/frequency/adf4350.c
@@ -212,7 +212,7 @@ static int adf4350_set_freq(struct adf4350_state *st, unsigned long long freq)
                 (pdata->r2_user_settings & (ADF4350_REG2_PD_POLARITY_POS |
                 ADF4350_REG2_LDP_6ns | ADF4350_REG2_LDF_INT_N |
                 ADF4350_REG2_CHARGE_PUMP_CURR_uA(5000) |
-                ADF4350_REG2_MUXOUT(0x7) | ADF4350_REG2_NOISE_MODE(0x9)));
+                ADF4350_REG2_MUXOUT(0x7) | ADF4350_REG2_NOISE_MODE(0x3)));
 
         st->regs[ADF4350_REG3] = pdata->r3_user_settings &
                                  (ADF4350_REG3_12BIT_CLKDIV(0xFFF) |
diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
index 795d100b4c36..98ddc323add0 100644
--- a/drivers/iio/inkern.c
+++ b/drivers/iio/inkern.c
@@ -124,7 +124,7 @@ static int __of_iio_channel_get(struct iio_channel *channel,
         channel->indio_dev = indio_dev;
         index = iiospec.args_count ? iiospec.args[0] : 0;
         if (index >= indio_dev->num_channels) {
-                return -EINVAL;
+                err = -EINVAL;
                 goto err_put;
         }
         channel->channel = &indio_dev->channels[index];
@@ -450,7 +450,7 @@ static int iio_convert_raw_to_processed_unlocked(struct iio_channel *chan,
         s64 raw64 = raw;
         int ret;
 
-        ret = iio_channel_read(chan, &offset, NULL, IIO_CHAN_INFO_SCALE);
+        ret = iio_channel_read(chan, &offset, NULL, IIO_CHAN_INFO_OFFSET);
         if (ret == 0)
                 raw64 += offset;
 
diff --git a/drivers/infiniband/hw/qib/qib_keys.c b/drivers/infiniband/hw/qib/qib_keys.c
index 81c7b73695d2..3b9afccaaade 100644
--- a/drivers/infiniband/hw/qib/qib_keys.c
+++ b/drivers/infiniband/hw/qib/qib_keys.c
@@ -61,7 +61,7 @@ int qib_alloc_lkey(struct qib_mregion *mr, int dma_region)
         if (dma_region) {
                 struct qib_mregion *tmr;
 
-                tmr = rcu_dereference(dev->dma_mr);
+                tmr = rcu_access_pointer(dev->dma_mr);
                 if (!tmr) {
                         qib_get_mr(mr);
                         rcu_assign_pointer(dev->dma_mr, mr);
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index f19b0998a53c..2e84ef859c5b 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -5,6 +5,7 @@
  * Copyright (C) 2004 Alex Aizman
  * Copyright (C) 2005 Mike Christie
  * Copyright (c) 2005, 2006 Voltaire, Inc. All rights reserved.
+ * Copyright (c) 2013 Mellanox Technologies. All rights reserved.
  * maintained by openib-general@openib.org
  *
  * This software is available to you under a choice of one of two
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h
index 06f578cde75b..4f069c0d4c04 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.h
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.h
@@ -8,6 +8,7 @@
  *
  * Copyright (c) 2004, 2005, 2006 Voltaire, Inc. All rights reserved.
  * Copyright (c) 2005, 2006 Cisco Systems.  All rights reserved.
+ * Copyright (c) 2013 Mellanox Technologies. All rights reserved.
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed under the terms of the GNU
diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c
index a00ccd1ca333..b6d81a86c976 100644
--- a/drivers/infiniband/ulp/iser/iser_initiator.c
+++ b/drivers/infiniband/ulp/iser/iser_initiator.c
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2004, 2005, 2006 Voltaire, Inc. All rights reserved.
+ * Copyright (c) 2013 Mellanox Technologies. All rights reserved.
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed under the terms of the GNU
diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c
index 68ebb7fe072a..7827baf455a1 100644
--- a/drivers/infiniband/ulp/iser/iser_memory.c
+++ b/drivers/infiniband/ulp/iser/iser_memory.c
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2004, 2005, 2006 Voltaire, Inc. All rights reserved.
+ * Copyright (c) 2013 Mellanox Technologies. All rights reserved.
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed under the terms of the GNU
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index 5278916c3103..2c4941d0656b 100644
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -1,6 +1,7 @@
 /*
  * Copyright (c) 2004, 2005, 2006 Voltaire, Inc. All rights reserved.
  * Copyright (c) 2005, 2006 Cisco Systems.  All rights reserved.
+ * Copyright (c) 2013 Mellanox Technologies. All rights reserved.
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed under the terms of the GNU
@@ -292,10 +293,10 @@ out_err:
 }
 
 /**
- * releases the FMR pool, QP and CMA ID objects, returns 0 on success,
+ * releases the FMR pool and QP objects, returns 0 on success,
  * -1 on failure
  */
-static int iser_free_ib_conn_res(struct iser_conn *ib_conn, int can_destroy_id)
+static int iser_free_ib_conn_res(struct iser_conn *ib_conn)
 {
         int cq_index;
         BUG_ON(ib_conn == NULL);
@@ -314,13 +315,9 @@ static int iser_free_ib_conn_res(struct iser_conn *ib_conn, int can_destroy_id)
 
                 rdma_destroy_qp(ib_conn->cma_id);
         }
-        /* if cma handler context, the caller acts s.t the cma destroy the id */
-        if (ib_conn->cma_id != NULL && can_destroy_id)
-                rdma_destroy_id(ib_conn->cma_id);
 
         ib_conn->fmr_pool = NULL;
         ib_conn->qp       = NULL;
-        ib_conn->cma_id   = NULL;
         kfree(ib_conn->page_vec);
 
         if (ib_conn->login_buf) {
@@ -415,11 +412,16 @@ static void iser_conn_release(struct iser_conn *ib_conn, int can_destroy_id)
         list_del(&ib_conn->conn_list);
         mutex_unlock(&ig.connlist_mutex);
         iser_free_rx_descriptors(ib_conn);
-        iser_free_ib_conn_res(ib_conn, can_destroy_id);
+        iser_free_ib_conn_res(ib_conn);
         ib_conn->device = NULL;
         /* on EVENT_ADDR_ERROR there's no device yet for this conn */
         if (device != NULL)
                 iser_device_try_release(device);
+        /* if cma handler context, the caller actually destroy the id */
+        if (ib_conn->cma_id != NULL && can_destroy_id) {
+                rdma_destroy_id(ib_conn->cma_id);
+                ib_conn->cma_id = NULL;
+        }
         iscsi_destroy_endpoint(ib_conn->ep);
 }
 
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index b08ca7a9f76b..3f3f0416fbdd 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -2227,6 +2227,27 @@ static void srpt_close_ch(struct srpt_rdma_ch *ch)
 }
 
 /**
+ * srpt_shutdown_session() - Whether or not a session may be shut down.
+ */
+static int srpt_shutdown_session(struct se_session *se_sess)
+{
+        struct srpt_rdma_ch *ch = se_sess->fabric_sess_ptr;
+        unsigned long flags;
+
+        spin_lock_irqsave(&ch->spinlock, flags);
+        if (ch->in_shutdown) {
+                spin_unlock_irqrestore(&ch->spinlock, flags);
+                return true;
+        }
+
+        ch->in_shutdown = true;
+        target_sess_cmd_list_set_waiting(se_sess);
+        spin_unlock_irqrestore(&ch->spinlock, flags);
+
+        return true;
+}
+
+/**
  * srpt_drain_channel() - Drain a channel by resetting the IB queue pair.
  * @cm_id: Pointer to the CM ID of the channel to be drained.
  *
@@ -2264,6 +2285,9 @@ static void srpt_drain_channel(struct ib_cm_id *cm_id)
         spin_unlock_irq(&sdev->spinlock);
 
         if (do_reset) {
+                if (ch->sess)
+                        srpt_shutdown_session(ch->sess);
+
                 ret = srpt_ch_qp_err(ch);
                 if (ret < 0)
                         printk(KERN_ERR "Setting queue pair in error state"
@@ -2328,7 +2352,7 @@ static void srpt_release_channel_work(struct work_struct *w)
         se_sess = ch->sess;
         BUG_ON(!se_sess);
 
-        target_wait_for_sess_cmds(se_sess, 0);
+        target_wait_for_sess_cmds(se_sess);
 
         transport_deregister_session_configfs(se_sess);
         transport_deregister_session(se_sess);
@@ -3467,14 +3491,6 @@ static void srpt_release_cmd(struct se_cmd *se_cmd)
 }
 
 /**
- * srpt_shutdown_session() - Whether or not a session may be shut down.
- */
-static int srpt_shutdown_session(struct se_session *se_sess)
-{
-        return true;
-}
-
-/**
  * srpt_close_session() - Forcibly close a session.
  *
  * Callback function invoked by the TCM core to clean up sessions associated
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.h b/drivers/infiniband/ulp/srpt/ib_srpt.h
index 4caf55cda7b1..3dae156905de 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.h
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.h
@@ -325,6 +325,7 @@ struct srpt_rdma_ch {
         u8                      sess_name[36];
         struct work_struct      release_work;
         struct completion       *release_done;
+        bool                    in_shutdown;
 };
 
 /**
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 2f78538e09d0..b2420ae19e14 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -1379,6 +1379,7 @@ static int synaptics_reconnect(struct psmouse *psmouse)
 {
         struct synaptics_data *priv = psmouse->private;
         struct synaptics_data old_priv = *priv;
+        unsigned char param[2];
         int retry = 0;
         int error;
 
@@ -1394,6 +1395,7 @@ static int synaptics_reconnect(struct psmouse *psmouse)
                          */
                         ssleep(1);
                 }
+                ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETID);
                 error = synaptics_detect(psmouse, 0);
         } while (error && ++retry < 3);
 
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index 5c68e4486845..518282da6d85 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -1966,7 +1966,8 @@ static const struct wacom_features wacom_features_0xF4 =
           63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
 static const struct wacom_features wacom_features_0xF8 =
         { "Wacom Cintiq 24HD touch", WACOM_PKGLEN_INTUOS,   104480, 65600, 2047, /* Pen */
-          63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 };
+          63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
+          .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 };
 static const struct wacom_features wacom_features_0xF6 =
         { "Wacom Cintiq 24HD touch", .type = WACOM_24HDT, /* Touch */
           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf8, .touch_max = 10 };
@@ -2009,7 +2010,8 @@ static const struct wacom_features wacom_features_0xFA =
           63, WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
 static const struct wacom_features wacom_features_0x5B =
         { "Wacom Cintiq 22HDT", WACOM_PKGLEN_INTUOS,      95840, 54260, 2047,
-          63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5e };
+          63, WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
+          .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5e };
 static const struct wacom_features wacom_features_0x5E =
         { "Wacom Cintiq 22HDT", .type = WACOM_24HDT,
           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5b, .touch_max = 10 };
@@ -2042,7 +2044,7 @@ static const struct wacom_features wacom_features_0xE5 =
 static const struct wacom_features wacom_features_0xE6 =
         { "Wacom ISDv4 E6",       WACOM_PKGLEN_TPC2FG,    27760, 15694,  255,
           0, TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
-        .touch_max = 2 };
+          .touch_max = 2 };
 static const struct wacom_features wacom_features_0xEC =
         { "Wacom ISDv4 EC",       WACOM_PKGLEN_GRAPHIRE,  25710, 14500,  255,
           0, TABLETPC,    WACOM_INTUOS_RES, WACOM_INTUOS_RES };
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index 1760ceb68b7b..19ceaa60e0f4 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -705,7 +705,7 @@ static int gic_irq_domain_xlate(struct irq_domain *d,
 static int __cpuinit gic_secondary_init(struct notifier_block *nfb,
                                         unsigned long action, void *hcpu)
 {
-        if (action == CPU_STARTING)
+        if (action == CPU_STARTING || action == CPU_STARTING_FROZEN)
                 gic_cpu_init(&gic_data[0]);
         return NOTIFY_OK;
 }
diff --git a/drivers/irqchip/irq-mxs.c b/drivers/irqchip/irq-mxs.c
index 29889bbdcc6d..63b3d4eb0ef7 100644
--- a/drivers/irqchip/irq-mxs.c
+++ b/drivers/irqchip/irq-mxs.c
@@ -76,16 +76,10 @@ asmlinkage void __exception_irq_entry icoll_handle_irq(struct pt_regs *regs)
 {
         u32 irqnr;
 
-        do {
-                irqnr = __raw_readl(icoll_base + HW_ICOLL_STAT_OFFSET);
-                if (irqnr != 0x7f) {
-                        __raw_writel(irqnr, icoll_base + HW_ICOLL_VECTOR);
-                        irqnr = irq_find_mapping(icoll_domain, irqnr);
-                        handle_IRQ(irqnr, regs);
-                        continue;
-                }
-                break;
-        } while (1);
+        irqnr = __raw_readl(icoll_base + HW_ICOLL_STAT_OFFSET);
+        __raw_writel(irqnr, icoll_base + HW_ICOLL_VECTOR);
+        irqnr = irq_find_mapping(icoll_domain, irqnr);
+        handle_IRQ(irqnr, regs);
 }
 
 static int icoll_irq_domain_map(struct irq_domain *d, unsigned int virq,
diff --git a/drivers/irqchip/irq-versatile-fpga.c b/drivers/irqchip/irq-versatile-fpga.c
index 065b7a31a478..47a52ab580d8 100644
--- a/drivers/irqchip/irq-versatile-fpga.c
+++ b/drivers/irqchip/irq-versatile-fpga.c
@@ -119,7 +119,7 @@ static int fpga_irqdomain_map(struct irq_domain *d, unsigned int irq,
 
         /* Skip invalid IRQs, only register handlers for the real ones */
         if (!(f->valid & BIT(hwirq)))
-                return -ENOTSUPP;
+                return -EPERM;
         irq_set_chip_data(irq, f);
         irq_set_chip_and_handler(irq, &f->chip,
                                 handle_level_irq);
diff --git a/drivers/irqchip/irq-vic.c b/drivers/irqchip/irq-vic.c
index 884d11c7355f..2bbb00404cf5 100644
--- a/drivers/irqchip/irq-vic.c
+++ b/drivers/irqchip/irq-vic.c
@@ -197,7 +197,7 @@ static int vic_irqdomain_map(struct irq_domain *d, unsigned int irq,
 
         /* Skip invalid IRQs, only register handlers for the real ones */
         if (!(v->valid_sources & (1 << hwirq)))
-                return -ENOTSUPP;
+                return -EPERM;
         irq_set_chip_and_handler(irq, &vic_chip, handle_level_irq);
         irq_set_chip_data(irq, v->base);
         set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
diff --git a/drivers/isdn/capi/kcapi.c b/drivers/isdn/capi/kcapi.c
index 9b1b274c7d25..c123709acf82 100644
--- a/drivers/isdn/capi/kcapi.c
+++ b/drivers/isdn/capi/kcapi.c
@@ -93,7 +93,7 @@ capi_ctr_put(struct capi_ctr *ctr)
 
 static inline struct capi_ctr *get_capi_ctr_by_nr(u16 contr)
 {
-        if (contr - 1 >= CAPI_MAXCONTR)
+        if (contr < 1 || contr - 1 >= CAPI_MAXCONTR)
                 return NULL;
 
         return capi_controller[contr - 1];
@@ -103,7 +103,7 @@ static inline struct capi20_appl *__get_capi_appl_by_nr(u16 applid)
 {
         lockdep_assert_held(&capi_controller_lock);
 
-        if (applid - 1 >= CAPI_MAXAPPL)
+        if (applid < 1 || applid - 1 >= CAPI_MAXAPPL)
                 return NULL;
 
         return capi_applications[applid - 1];
@@ -111,7 +111,7 @@ static inline struct capi20_appl *__get_capi_appl_by_nr(u16 applid)
 
 static inline struct capi20_appl *get_capi_appl_by_nr(u16 applid)
 {
-        if (applid - 1 >= CAPI_MAXAPPL)
+        if (applid < 1 || applid - 1 >= CAPI_MAXAPPL)
                 return NULL;
 
         return rcu_dereference(capi_applications[applid - 1]);
diff --git a/drivers/leds/leds-ot200.c b/drivers/leds/leds-ot200.c
index ee14662ed5ce..98cae529373f 100644
--- a/drivers/leds/leds-ot200.c
+++ b/drivers/leds/leds-ot200.c
@@ -47,37 +47,37 @@ static struct ot200_led leds[] = {
         {
                 .name = "led_1",
                 .port = 0x49,
-                .mask = BIT(7),
+                .mask = BIT(6),
         },
         {
                 .name = "led_2",
                 .port = 0x49,
-                .mask = BIT(6),
+                .mask = BIT(5),
         },
         {
                 .name = "led_3",
                 .port = 0x49,
-                .mask = BIT(5),
+                .mask = BIT(4),
         },
         {
                 .name = "led_4",
                 .port = 0x49,
-                .mask = BIT(4),
+                .mask = BIT(3),
         },
         {
                 .name = "led_5",
                 .port = 0x49,
-                .mask = BIT(3),
+                .mask = BIT(2),
         },
         {
                 .name = "led_6",
                 .port = 0x49,
-                .mask = BIT(2),
+                .mask = BIT(1),
         },
         {
                 .name = "led_7",
                 .port = 0x49,
-                .mask = BIT(1),
+                .mask = BIT(0),
         }
 };
 
diff --git a/drivers/md/bcache/Kconfig b/drivers/md/bcache/Kconfig
index 05c220d05e23..f950c9d29f3e 100644
--- a/drivers/md/bcache/Kconfig
+++ b/drivers/md/bcache/Kconfig
@@ -1,7 +1,6 @@
 
 config BCACHE
         tristate "Block device as cache"
-        select CLOSURES
         ---help---
         Allows a block device to be used as cache for other devices; uses
         a btree for indexing and the layout is optimized for SSDs.
diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h
index 340146d7c17f..d3e15b42a4ab 100644
--- a/drivers/md/bcache/bcache.h
+++ b/drivers/md/bcache/bcache.h
@@ -1241,7 +1241,7 @@ void bch_cache_set_stop(struct cache_set *);
 struct cache_set *bch_cache_set_alloc(struct cache_sb *);
 void bch_btree_cache_free(struct cache_set *);
 int bch_btree_cache_alloc(struct cache_set *);
-void bch_writeback_init_cached_dev(struct cached_dev *);
+void bch_cached_dev_writeback_init(struct cached_dev *);
 void bch_moving_init_cache_set(struct cache_set *);
 
 void bch_cache_allocator_exit(struct cache *ca);
diff --git a/drivers/md/bcache/stats.c b/drivers/md/bcache/stats.c
index 64e679449c2a..b8730e714d69 100644
--- a/drivers/md/bcache/stats.c
+++ b/drivers/md/bcache/stats.c
@@ -93,24 +93,6 @@ static struct attribute *bch_stats_files[] = {
 };
 static KTYPE(bch_stats);
 
-static void scale_accounting(unsigned long data);
-
-void bch_cache_accounting_init(struct cache_accounting *acc,
-                               struct closure *parent)
-{
-        kobject_init(&acc->total.kobj,          &bch_stats_ktype);
-        kobject_init(&acc->five_minute.kobj,    &bch_stats_ktype);
-        kobject_init(&acc->hour.kobj,           &bch_stats_ktype);
-        kobject_init(&acc->day.kobj,            &bch_stats_ktype);
-
-        closure_init(&acc->cl, parent);
-        init_timer(&acc->timer);
-        acc->timer.expires      = jiffies + accounting_delay;
-        acc->timer.data         = (unsigned long) acc;
-        acc->timer.function     = scale_accounting;
-        add_timer(&acc->timer);
-}
-
 int bch_cache_accounting_add_kobjs(struct cache_accounting *acc,
                                    struct kobject *parent)
 {
@@ -244,3 +226,19 @@ void bch_mark_sectors_bypassed(struct search *s, int sectors)
         atomic_add(sectors, &dc->accounting.collector.sectors_bypassed);
         atomic_add(sectors, &s->op.c->accounting.collector.sectors_bypassed);
 }
+
+void bch_cache_accounting_init(struct cache_accounting *acc,
+                               struct closure *parent)
+{
+        kobject_init(&acc->total.kobj,          &bch_stats_ktype);
+        kobject_init(&acc->five_minute.kobj,    &bch_stats_ktype);
+        kobject_init(&acc->hour.kobj,           &bch_stats_ktype);
+        kobject_init(&acc->day.kobj,            &bch_stats_ktype);
+
+        closure_init(&acc->cl, parent);
+        init_timer(&acc->timer);
+        acc->timer.expires      = jiffies + accounting_delay;
+        acc->timer.data         = (unsigned long) acc;
+        acc->timer.function     = scale_accounting;
+        add_timer(&acc->timer);
+}
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index c8046bc4aa57..f88e2b653a3f 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -634,11 +634,10 @@ static int open_dev(struct block_device *b, fmode_t mode)
         return 0;
 }
 
-static int release_dev(struct gendisk *b, fmode_t mode)
+static void release_dev(struct gendisk *b, fmode_t mode)
 {
         struct bcache_device *d = b->private_data;
         closure_put(&d->cl);
-        return 0;
 }
 
 static int ioctl_dev(struct block_device *b, fmode_t mode,
@@ -732,8 +731,7 @@ static void bcache_device_free(struct bcache_device *d)
 
         if (d->c)
                 bcache_device_detach(d);
-
-        if (d->disk)
+        if (d->disk && d->disk->flags & GENHD_FL_UP)
                 del_gendisk(d->disk);
         if (d->disk && d->disk->queue)
                 blk_cleanup_queue(d->disk->queue);
@@ -756,12 +754,9 @@ static int bcache_device_init(struct bcache_device *d, unsigned block_size)
         if (!(d->bio_split = bioset_create(4, offsetof(struct bbio, bio))) ||
             !(d->unaligned_bvec = mempool_create_kmalloc_pool(1,
                                 sizeof(struct bio_vec) * BIO_MAX_PAGES)) ||
-            bio_split_pool_init(&d->bio_split_hook))
-
-                return -ENOMEM;
-
-        d->disk = alloc_disk(1);
-        if (!d->disk)
+            bio_split_pool_init(&d->bio_split_hook) ||
+            !(d->disk = alloc_disk(1)) ||
+            !(q = blk_alloc_queue(GFP_KERNEL)))
                 return -ENOMEM;
 
         snprintf(d->disk->disk_name, DISK_NAME_LEN, "bcache%i", bcache_minor);
@@ -771,10 +766,6 @@ static int bcache_device_init(struct bcache_device *d, unsigned block_size)
         d->disk->fops           = &bcache_ops;
         d->disk->private_data   = d;
 
-        q = blk_alloc_queue(GFP_KERNEL);
-        if (!q)
-                return -ENOMEM;
-
         blk_queue_make_request(q, NULL);
         d->disk->queue                  = q;
         q->queuedata                    = d;
@@ -999,14 +990,17 @@ static void cached_dev_free(struct closure *cl)
 
         mutex_lock(&bch_register_lock);
 
-        bd_unlink_disk_holder(dc->bdev, dc->disk.disk);
+        if (atomic_read(&dc->running))
+                bd_unlink_disk_holder(dc->bdev, dc->disk.disk);
         bcache_device_free(&dc->disk);
         list_del(&dc->list);
 
         mutex_unlock(&bch_register_lock);
 
         if (!IS_ERR_OR_NULL(dc->bdev)) {
-                blk_sync_queue(bdev_get_queue(dc->bdev));
+                if (dc->bdev->bd_disk)
+                        blk_sync_queue(bdev_get_queue(dc->bdev));
+
                 blkdev_put(dc->bdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL);
         }
 
@@ -1028,73 +1022,67 @@ static void cached_dev_flush(struct closure *cl)
 
 static int cached_dev_init(struct cached_dev *dc, unsigned block_size)
 {
-        int err;
+        int ret;
         struct io *io;
-
-        closure_init(&dc->disk.cl, NULL);
-        set_closure_fn(&dc->disk.cl, cached_dev_flush, system_wq);
+        struct request_queue *q = bdev_get_queue(dc->bdev);
 
         __module_get(THIS_MODULE);
         INIT_LIST_HEAD(&dc->list);
+        closure_init(&dc->disk.cl, NULL);
+        set_closure_fn(&dc->disk.cl, cached_dev_flush, system_wq);
         kobject_init(&dc->disk.kobj, &bch_cached_dev_ktype);
-
-        bch_cache_accounting_init(&dc->accounting, &dc->disk.cl);
-
-        err = bcache_device_init(&dc->disk, block_size);
-        if (err)
-                goto err;
-
-        spin_lock_init(&dc->io_lock);
-        closure_init_unlocked(&dc->sb_write);
         INIT_WORK(&dc->detach, cached_dev_detach_finish);
+        closure_init_unlocked(&dc->sb_write);
+        INIT_LIST_HEAD(&dc->io_lru);
+        spin_lock_init(&dc->io_lock);
+        bch_cache_accounting_init(&dc->accounting, &dc->disk.cl);
 
         dc->sequential_merge            = true;
         dc->sequential_cutoff           = 4 << 20;
 
-        INIT_LIST_HEAD(&dc->io_lru);
-        dc->sb_bio.bi_max_vecs  = 1;
-        dc->sb_bio.bi_io_vec    = dc->sb_bio.bi_inline_vecs;
-
         for (io = dc->io; io < dc->io + RECENT_IO; io++) {
                 list_add(&io->lru, &dc->io_lru);
                 hlist_add_head(&io->hash, dc->io_hash + RECENT_IO);
         }
 
-        bch_writeback_init_cached_dev(dc);
+        ret = bcache_device_init(&dc->disk, block_size);
+        if (ret)
+                return ret;
+
+        set_capacity(dc->disk.disk,
+                     dc->bdev->bd_part->nr_sects - dc->sb.data_offset);
+
+        dc->disk.disk->queue->backing_dev_info.ra_pages =
+                max(dc->disk.disk->queue->backing_dev_info.ra_pages,
+                    q->backing_dev_info.ra_pages);
+
+        bch_cached_dev_request_init(dc);
+        bch_cached_dev_writeback_init(dc);
         return 0;
-err:
-        bcache_device_stop(&dc->disk);
-        return err;
 }
 
 /* Cached device - bcache superblock */
 
-static const char *register_bdev(struct cache_sb *sb, struct page *sb_page,
+static void register_bdev(struct cache_sb *sb, struct page *sb_page,
                                  struct block_device *bdev,
                                  struct cached_dev *dc)
 {
         char name[BDEVNAME_SIZE];
         const char *err = "cannot allocate memory";
-        struct gendisk *g;
         struct cache_set *c;
 
-        if (!dc || cached_dev_init(dc, sb->block_size << 9) != 0)
-                return err;
-
         memcpy(&dc->sb, sb, sizeof(struct cache_sb));
-        dc->sb_bio.bi_io_vec[0].bv_page = sb_page;
         dc->bdev = bdev;
         dc->bdev->bd_holder = dc;
 
-        g = dc->disk.disk;
-
-        set_capacity(g, dc->bdev->bd_part->nr_sects - dc->sb.data_offset);
-
-        g->queue->backing_dev_info.ra_pages =
-                max(g->queue->backing_dev_info.ra_pages,
-                    bdev->bd_queue->backing_dev_info.ra_pages);
+        bio_init(&dc->sb_bio);
+        dc->sb_bio.bi_max_vecs  = 1;
+        dc->sb_bio.bi_io_vec    = dc->sb_bio.bi_inline_vecs;
+        dc->sb_bio.bi_io_vec[0].bv_page = sb_page;
+        get_page(sb_page);
 
-        bch_cached_dev_request_init(dc);
+        if (cached_dev_init(dc, sb->block_size << 9))
+                goto err;
 
         err = "error creating kobject";
         if (kobject_add(&dc->disk.kobj, &part_to_dev(bdev->bd_part)->kobj,
@@ -1103,6 +1091,8 @@ static const char *register_bdev(struct cache_sb *sb, struct page *sb_page,
         if (bch_cache_accounting_add_kobjs(&dc->accounting, &dc->disk.kobj))
                 goto err;
 
+        pr_info("registered backing device %s", bdevname(bdev, name));
+
         list_add(&dc->list, &uncached_devices);
         list_for_each_entry(c, &bch_cache_sets, list)
                 bch_cached_dev_attach(dc, c);
@@ -1111,15 +1101,10 @@ static const char *register_bdev(struct cache_sb *sb, struct page *sb_page,
             BDEV_STATE(&dc->sb) == BDEV_STATE_STALE)
                 bch_cached_dev_run(dc);
 
-        return NULL;
+        return;
 err:
-        kobject_put(&dc->disk.kobj);
         pr_notice("error opening %s: %s", bdevname(bdev, name), err);
-        /*
-         * Return NULL instead of an error because kobject_put() cleans
-         * everything up
-         */
-        return NULL;
+        bcache_device_stop(&dc->disk);
 }
 
 /* Flash only volumes */
@@ -1717,20 +1702,11 @@ static int cache_alloc(struct cache_sb *sb, struct cache *ca)
         size_t free;
         struct bucket *b;
 
-        if (!ca)
-                return -ENOMEM;
-
         __module_get(THIS_MODULE);
         kobject_init(&ca->kobj, &bch_cache_ktype);
 
-        memcpy(&ca->sb, sb, sizeof(struct cache_sb));
-
         INIT_LIST_HEAD(&ca->discards);
 
-        bio_init(&ca->sb_bio);
-        ca->sb_bio.bi_max_vecs  = 1;
-        ca->sb_bio.bi_io_vec    = ca->sb_bio.bi_inline_vecs;
-
         bio_init(&ca->journal.bio);
         ca->journal.bio.bi_max_vecs = 8;
         ca->journal.bio.bi_io_vec = ca->journal.bio.bi_inline_vecs;
@@ -1742,18 +1718,17 @@ static int cache_alloc(struct cache_sb *sb, struct cache *ca)
             !init_fifo(&ca->free_inc,   free << 2, GFP_KERNEL) ||
             !init_fifo(&ca->unused,     free << 2, GFP_KERNEL) ||
             !init_heap(&ca->heap,       free << 3, GFP_KERNEL) ||
-            !(ca->buckets       = vmalloc(sizeof(struct bucket) *
+            !(ca->buckets       = vzalloc(sizeof(struct bucket) *
                                           ca->sb.nbuckets)) ||
             !(ca->prio_buckets  = kzalloc(sizeof(uint64_t) * prio_buckets(ca) *
                                           2, GFP_KERNEL)) ||
             !(ca->disk_buckets  = alloc_bucket_pages(GFP_KERNEL, ca)) ||
             !(ca->alloc_workqueue = alloc_workqueue("bch_allocator", 0, 1)) ||
             bio_split_pool_init(&ca->bio_split_hook))
-                goto err;
+                return -ENOMEM;
 
         ca->prio_last_buckets = ca->prio_buckets + prio_buckets(ca);
 
-        memset(ca->buckets, 0, ca->sb.nbuckets * sizeof(struct bucket));
         for_each_bucket(b, ca)
                 atomic_set(&b->pin, 0);
 
@@ -1766,22 +1741,28 @@ err:
         return -ENOMEM;
 }
 
-static const char *register_cache(struct cache_sb *sb, struct page *sb_page,
+static void register_cache(struct cache_sb *sb, struct page *sb_page,
                                   struct block_device *bdev, struct cache *ca)
 {
         char name[BDEVNAME_SIZE];
         const char *err = "cannot allocate memory";
 
-        if (cache_alloc(sb, ca) != 0)
-                return err;
-
-        ca->sb_bio.bi_io_vec[0].bv_page = sb_page;
+        memcpy(&ca->sb, sb, sizeof(struct cache_sb));
         ca->bdev = bdev;
         ca->bdev->bd_holder = ca;
 
+        bio_init(&ca->sb_bio);
+        ca->sb_bio.bi_max_vecs  = 1;
+        ca->sb_bio.bi_io_vec    = ca->sb_bio.bi_inline_vecs;
+        ca->sb_bio.bi_io_vec[0].bv_page = sb_page;
+        get_page(sb_page);
+
         if (blk_queue_discard(bdev_get_queue(ca->bdev)))
                 ca->discard = CACHE_DISCARD(&ca->sb);
 
+        if (cache_alloc(sb, ca) != 0)
+                goto err;
+
         err = "error creating kobject";
         if (kobject_add(&ca->kobj, &part_to_dev(bdev->bd_part)->kobj, "bcache"))
                 goto err;
@@ -1791,15 +1772,10 @@ static const char *register_cache(struct cache_sb *sb, struct page *sb_page,
                 goto err;
 
         pr_info("registered cache device %s", bdevname(bdev, name));
-
-        return NULL;
+        return;
 err:
+        pr_notice("error opening %s: %s", bdevname(bdev, name), err);
         kobject_put(&ca->kobj);
-        pr_info("error opening %s: %s", bdevname(bdev, name), err);
-        /* Return NULL instead of an error because kobject_put() cleans
-         * everything up
-         */
-        return NULL;
 }
 
 /* Global interfaces/init */
@@ -1833,12 +1809,15 @@ static ssize_t register_bcache(struct kobject *k, struct kobj_attribute *attr,
         bdev = blkdev_get_by_path(strim(path),
                                   FMODE_READ|FMODE_WRITE|FMODE_EXCL,
                                   sb);
-        if (bdev == ERR_PTR(-EBUSY))
-                err = "device busy";
-
-        if (IS_ERR(bdev) ||
-            set_blocksize(bdev, 4096))
+        if (IS_ERR(bdev)) {
+                if (bdev == ERR_PTR(-EBUSY))
+                        err = "device busy";
                 goto err;
+        }
+
+        err = "failed to set blocksize";
+        if (set_blocksize(bdev, 4096))
+                goto err_close;
 
         err = read_super(sb, bdev, &sb_page);
         if (err)
@@ -1846,33 +1825,33 @@ static ssize_t register_bcache(struct kobject *k, struct kobj_attribute *attr,
 
         if (SB_IS_BDEV(sb)) {
                 struct cached_dev *dc = kzalloc(sizeof(*dc), GFP_KERNEL);
+                if (!dc)
+                        goto err_close;
 
-                err = register_bdev(sb, sb_page, bdev, dc);
+                register_bdev(sb, sb_page, bdev, dc);
         } else {
                 struct cache *ca = kzalloc(sizeof(*ca), GFP_KERNEL);
+                if (!ca)
+                        goto err_close;
 
-                err = register_cache(sb, sb_page, bdev, ca);
+                register_cache(sb, sb_page, bdev, ca);
         }
-
-        if (err) {
-                /* register_(bdev|cache) will only return an error if they
-                 * didn't get far enough to create the kobject - if they did,
-                 * the kobject destructor will do this cleanup.
-                 */
+out:
+        if (sb_page)
                 put_page(sb_page);
-err_close:
-                blkdev_put(bdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL);
-err:
-                if (attr != &ksysfs_register_quiet)
-                        pr_info("error opening %s: %s", path, err);
-                ret = -EINVAL;
-        }
-
         kfree(sb);
         kfree(path);
         mutex_unlock(&bch_register_lock);
         module_put(THIS_MODULE);
         return ret;
+
+err_close:
+        blkdev_put(bdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL);
+err:
+        if (attr != &ksysfs_register_quiet)
+                pr_info("error opening %s: %s", path, err);
+        ret = -EINVAL;
+        goto out;
 }
 
 static int bcache_reboot(struct notifier_block *n, unsigned long code, void *x)
diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c
index 93e7e31a4bd3..2714ed3991d1 100644
--- a/drivers/md/bcache/writeback.c
+++ b/drivers/md/bcache/writeback.c
@@ -375,7 +375,7 @@ err:
         refill_dirty(cl);
 }
 
-void bch_writeback_init_cached_dev(struct cached_dev *dc)
+void bch_cached_dev_writeback_init(struct cached_dev *dc)
 {
         closure_init_unlocked(&dc->writeback);
         init_rwsem(&dc->writeback_lock);
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 681d1099a2d5..9b82377a833b 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5268,8 +5268,8 @@ static void md_clean(struct mddev *mddev)
 
 static void __md_stop_writes(struct mddev *mddev)
 {
+        set_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
         if (mddev->sync_thread) {
-                set_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
                 set_bit(MD_RECOVERY_INTR, &mddev->recovery);
                 md_reap_sync_thread(mddev);
         }
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 55951182af73..6e17f8181c4b 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -417,7 +417,17 @@ static void raid1_end_write_request(struct bio *bio, int error)
 
                 r1_bio->bios[mirror] = NULL;
                 to_put = bio;
-                set_bit(R1BIO_Uptodate, &r1_bio->state);
+                /*
+                 * Do not set R1BIO_Uptodate if the current device is
+                 * rebuilding or Faulty. This is because we cannot use
+                 * such device for properly reading the data back (we could
+                 * potentially use it, if the current write would have felt
+                 * before rdev->recovery_offset, but for simplicity we don't
+                 * check this here.
+                 */
+                if (test_bit(In_sync, &conf->mirrors[mirror].rdev->flags) &&
+                    !test_bit(Faulty, &conf->mirrors[mirror].rdev->flags))
+                        set_bit(R1BIO_Uptodate, &r1_bio->state);
 
                 /* Maybe we can clear some bad blocks. */
                 if (is_badblock(conf->mirrors[mirror].rdev,
@@ -870,17 +880,17 @@ static void allow_barrier(struct r1conf *conf)
         wake_up(&conf->wait_barrier);
 }
 
-static void freeze_array(struct r1conf *conf)
+static void freeze_array(struct r1conf *conf, int extra)
 {
         /* stop syncio and normal IO and wait for everything to
          * go quite.
          * We increment barrier and nr_waiting, and then
-         * wait until nr_pending match nr_queued+1
+         * wait until nr_pending match nr_queued+extra
          * This is called in the context of one normal IO request
          * that has failed. Thus any sync request that might be pending
          * will be blocked by nr_pending, and we need to wait for
          * pending IO requests to complete or be queued for re-try.
-         * Thus the number queued (nr_queued) plus this request (1)
+         * Thus the number queued (nr_queued) plus this request (extra)
          * must match the number of pending IOs (nr_pending) before
          * we continue.
          */
@@ -888,7 +898,7 @@ static void freeze_array(struct r1conf *conf)
         conf->barrier++;
         conf->nr_waiting++;
         wait_event_lock_irq_cmd(conf->wait_barrier,
-                                conf->nr_pending == conf->nr_queued+1,
+                                conf->nr_pending == conf->nr_queued+extra,
                                 conf->resync_lock,
                                 flush_pending_writes(conf));
         spin_unlock_irq(&conf->resync_lock);
@@ -1544,8 +1554,8 @@ static int raid1_add_disk(struct mddev *mddev, struct md_rdev *rdev)
                  * we wait for all outstanding requests to complete.
                  */
                 synchronize_sched();
-                raise_barrier(conf);
-                lower_barrier(conf);
+                freeze_array(conf, 0);
+                unfreeze_array(conf);
                 clear_bit(Unmerged, &rdev->flags);
         }
         md_integrity_add_rdev(rdev, mddev);
@@ -1595,11 +1605,11 @@ static int raid1_remove_disk(struct mddev *mddev, struct md_rdev *rdev)
                          */
                         struct md_rdev *repl =
                                 conf->mirrors[conf->raid_disks + number].rdev;
-                        raise_barrier(conf);
+                        freeze_array(conf, 0);
                         clear_bit(Replacement, &repl->flags);
                         p->rdev = repl;
                         conf->mirrors[conf->raid_disks + number].rdev = NULL;
-                        lower_barrier(conf);
+                        unfreeze_array(conf);
                         clear_bit(WantReplacement, &rdev->flags);
                 } else
                         clear_bit(WantReplacement, &rdev->flags);
@@ -2195,7 +2205,7 @@ static void handle_read_error(struct r1conf *conf, struct r1bio *r1_bio)
          * frozen
          */
         if (mddev->ro == 0) {
-                freeze_array(conf);
+                freeze_array(conf, 1);
                 fix_read_error(conf, r1_bio->read_disk,
                                r1_bio->sector, r1_bio->sectors);
                 unfreeze_array(conf);
@@ -2780,8 +2790,8 @@ static int run(struct mddev *mddev)
                 return PTR_ERR(conf);
 
         if (mddev->queue)
-                blk_queue_max_write_same_sectors(mddev->queue,
-                                                 mddev->chunk_sectors);
+                blk_queue_max_write_same_sectors(mddev->queue, 0);
+
         rdev_for_each(rdev, mddev) {
                 if (!mddev->gendisk)
                         continue;
@@ -2963,7 +2973,7 @@ static int raid1_reshape(struct mddev *mddev)
                 return -ENOMEM;
         }
 
-        raise_barrier(conf);
+        freeze_array(conf, 0);
 
         /* ok, everything is stopped */
         oldpool = conf->r1bio_pool;
@@ -2994,7 +3004,7 @@ static int raid1_reshape(struct mddev *mddev)
         conf->raid_disks = mddev->raid_disks = raid_disks;
         mddev->delta_disks = 0;
 
-        lower_barrier(conf);
+        unfreeze_array(conf);
 
         set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
         md_wakeup_thread(mddev->thread);
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 59d4daa5f4c7..6ddae2501b9a 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -490,7 +490,17 @@ static void raid10_end_write_request(struct bio *bio, int error)
                 sector_t first_bad;
                 int bad_sectors;
 
-                set_bit(R10BIO_Uptodate, &r10_bio->state);
+                /*
+                 * Do not set R10BIO_Uptodate if the current device is
+                 * rebuilding or Faulty. This is because we cannot use
+                 * such device for properly reading the data back (we could
+                 * potentially use it, if the current write would have felt
+                 * before rdev->recovery_offset, but for simplicity we don't
+                 * check this here.
+                 */
+                if (test_bit(In_sync, &rdev->flags) &&
+                    !test_bit(Faulty, &rdev->flags))
+                        set_bit(R10BIO_Uptodate, &r10_bio->state);
 
                 /* Maybe we can clear some bad blocks. */
                 if (is_badblock(rdev,
@@ -1055,17 +1065,17 @@ static void allow_barrier(struct r10conf *conf)
         wake_up(&conf->wait_barrier);
 }
 
-static void freeze_array(struct r10conf *conf)
+static void freeze_array(struct r10conf *conf, int extra)
 {
         /* stop syncio and normal IO and wait for everything to
          * go quiet.
          * We increment barrier and nr_waiting, and then
-         * wait until nr_pending match nr_queued+1
+         * wait until nr_pending match nr_queued+extra
          * This is called in the context of one normal IO request
          * that has failed. Thus any sync request that might be pending
          * will be blocked by nr_pending, and we need to wait for
          * pending IO requests to complete or be queued for re-try.
-         * Thus the number queued (nr_queued) plus this request (1)
+         * Thus the number queued (nr_queued) plus this request (extra)
          * must match the number of pending IOs (nr_pending) before
          * we continue.
          */
@@ -1073,7 +1083,7 @@ static void freeze_array(struct r10conf *conf)
         conf->barrier++;
         conf->nr_waiting++;
         wait_event_lock_irq_cmd(conf->wait_barrier,
-                                conf->nr_pending == conf->nr_queued+1,
+                                conf->nr_pending == conf->nr_queued+extra,
                                 conf->resync_lock,
                                 flush_pending_writes(conf));
 
@@ -1837,8 +1847,8 @@ static int raid10_add_disk(struct mddev *mddev, struct md_rdev *rdev)
                  * we wait for all outstanding requests to complete.
                  */
                 synchronize_sched();
-                raise_barrier(conf, 0);
-                lower_barrier(conf);
+                freeze_array(conf, 0);
+                unfreeze_array(conf);
                 clear_bit(Unmerged, &rdev->flags);
         }
         md_integrity_add_rdev(rdev, mddev);
@@ -2612,7 +2622,7 @@ static void handle_read_error(struct mddev *mddev, struct r10bio *r10_bio)
         r10_bio->devs[slot].bio = NULL;
 
         if (mddev->ro == 0) {
-                freeze_array(conf);
+                freeze_array(conf, 1);
                 fix_read_error(conf, mddev, r10_bio);
                 unfreeze_array(conf);
         } else
@@ -3609,8 +3619,7 @@ static int run(struct mddev *mddev)
         if (mddev->queue) {
                 blk_queue_max_discard_sectors(mddev->queue,
                                               mddev->chunk_sectors);
-                blk_queue_max_write_same_sectors(mddev->queue,
-                                                 mddev->chunk_sectors);
+                blk_queue_max_write_same_sectors(mddev->queue, 0);
                 blk_queue_io_min(mddev->queue, chunk_size);
                 if (conf->geo.raid_disks % conf->geo.near_copies)
                         blk_queue_io_opt(mddev->queue, chunk_size * conf->geo.raid_disks);
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 9359828ffe26..05e4a105b9c7 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -664,6 +664,7 @@ static void ops_run_io(struct stripe_head *sh, struct stripe_head_state *s)
                         if (test_bit(R5_ReadNoMerge, &sh->dev[i].flags))
                                 bi->bi_rw |= REQ_FLUSH;
 
+                        bi->bi_vcnt = 1;
                         bi->bi_io_vec[0].bv_len = STRIPE_SIZE;
                         bi->bi_io_vec[0].bv_offset = 0;
                         bi->bi_size = STRIPE_SIZE;
@@ -701,6 +702,7 @@ static void ops_run_io(struct stripe_head *sh, struct stripe_head_state *s)
                         else
                                 rbi->bi_sector = (sh->sector
                                                   + rrdev->data_offset);
+                        rbi->bi_vcnt = 1;
                         rbi->bi_io_vec[0].bv_len = STRIPE_SIZE;
                         rbi->bi_io_vec[0].bv_offset = 0;
                         rbi->bi_size = STRIPE_SIZE;
@@ -5464,7 +5466,7 @@ static int run(struct mddev *mddev)
                 if (mddev->major_version == 0 &&
                     mddev->minor_version > 90)
                         rdev->recovery_offset = reshape_offset;
-                        
+
                 if (rdev->recovery_offset < reshape_offset) {
                         /* We need to check old and new layout */
                         if (!only_parity(rdev->raid_disk,
@@ -5587,6 +5589,8 @@ static int run(struct mddev *mddev)
                  */
                 mddev->queue->limits.discard_zeroes_data = 0;
 
+                blk_queue_max_write_same_sectors(mddev->queue, 0);
+
                 rdev_for_each(rdev, mddev) {
                         disk_stack_limits(mddev->gendisk, rdev->bdev,
                                           rdev->data_offset << 9);
diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig
index 7f5a7cac6dc7..8270388e2a0d 100644
--- a/drivers/media/Kconfig
+++ b/drivers/media/Kconfig
@@ -136,9 +136,9 @@ config DVB_NET
 
 # This Kconfig option is used by both PCI and USB drivers
 config TTPCI_EEPROM
-        tristate
-        depends on I2C
-        default n
+        tristate
+        depends on I2C
+        default n
 
 source "drivers/media/dvb-core/Kconfig"
 
@@ -189,6 +189,12 @@ config MEDIA_SUBDRV_AUTOSELECT
 
           If unsure say Y.
 
+config MEDIA_ATTACH
+        bool
+        depends on MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_RADIO_SUPPORT
+        depends on MODULES
+        default MODULES
+
 source "drivers/media/i2c/Kconfig"
 source "drivers/media/tuners/Kconfig"
 source "drivers/media/dvb-frontends/Kconfig"
diff --git a/drivers/media/i2c/s5c73m3/s5c73m3-core.c b/drivers/media/i2c/s5c73m3/s5c73m3-core.c
index cb52438e53ac..9eac5310942f 100644
--- a/drivers/media/i2c/s5c73m3/s5c73m3-core.c
+++ b/drivers/media/i2c/s5c73m3/s5c73m3-core.c
@@ -956,7 +956,7 @@ static int s5c73m3_oif_enum_frame_interval(struct v4l2_subdev *sd,
 
         if (fie->pad != OIF_SOURCE_PAD)
                 return -EINVAL;
-        if (fie->index > ARRAY_SIZE(s5c73m3_intervals))
+        if (fie->index >= ARRAY_SIZE(s5c73m3_intervals))
                 return -EINVAL;
 
         mutex_lock(&state->lock);
diff --git a/drivers/media/pci/cx88/cx88-alsa.c b/drivers/media/pci/cx88/cx88-alsa.c
index 27d62623274b..aba5b1c649e6 100644
--- a/drivers/media/pci/cx88/cx88-alsa.c
+++ b/drivers/media/pci/cx88/cx88-alsa.c
@@ -615,7 +615,7 @@ static int snd_cx88_volume_put(struct snd_kcontrol *kcontrol,
         int changed = 0;
         u32 old;
 
-        if (core->board.audio_chip == V4L2_IDENT_WM8775)
+        if (core->sd_wm8775)
                 snd_cx88_wm8775_volume_put(kcontrol, value);
 
         left = value->value.integer.value[0] & 0x3f;
@@ -682,8 +682,7 @@ static int snd_cx88_switch_put(struct snd_kcontrol *kcontrol,
                 vol ^= bit;
                 cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, vol);
                 /* Pass mute onto any WM8775 */
-                if ((core->board.audio_chip == V4L2_IDENT_WM8775) &&
-                    ((1<<6) == bit))
+                if (core->sd_wm8775 && ((1<<6) == bit))
                         wm8775_s_ctrl(core, V4L2_CID_AUDIO_MUTE, 0 != (vol & bit));
                 ret = 1;
         }
@@ -903,7 +902,7 @@ static int cx88_audio_initdev(struct pci_dev *pci,
                 goto error;
 
         /* If there's a wm8775 then add a Line-In ALC switch */
-        if (core->board.audio_chip == V4L2_IDENT_WM8775)
+        if (core->sd_wm8775)
                 snd_ctl_add(card, snd_ctl_new1(&snd_cx88_alc_switch, chip));
 
         strcpy (card->driver, "CX88x");
diff --git a/drivers/media/pci/cx88/cx88-video.c b/drivers/media/pci/cx88/cx88-video.c
index 1b00615fd395..c7a9be1065c0 100644
--- a/drivers/media/pci/cx88/cx88-video.c
+++ b/drivers/media/pci/cx88/cx88-video.c
@@ -385,8 +385,7 @@ int cx88_video_mux(struct cx88_core *core, unsigned int input)
                 /* The wm8775 module has the "2" route hardwired into
                    the initialization. Some boards may use different
                    routes for different inputs. HVR-1300 surely does */
-                if (core->board.audio_chip &&
-                    core->board.audio_chip == V4L2_IDENT_WM8775) {
+                if (core->sd_wm8775) {
                         call_all(core, audio, s_routing,
                                  INPUT(input).audioroute, 0, 0);
                 }
@@ -771,8 +770,7 @@ static int video_open(struct file *file)
                 cx_write(MO_GP1_IO, core->board.radio.gpio1);
                 cx_write(MO_GP2_IO, core->board.radio.gpio2);
                 if (core->board.radio.audioroute) {
-                        if(core->board.audio_chip &&
-                                core->board.audio_chip == V4L2_IDENT_WM8775) {
+                        if (core->sd_wm8775) {
                                 call_all(core, audio, s_routing,
                                         core->board.radio.audioroute, 0, 0);
                         }
@@ -959,7 +957,7 @@ static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
         u32 value,mask;
 
         /* Pass changes onto any WM8775 */
-        if (core->board.audio_chip == V4L2_IDENT_WM8775) {
+        if (core->sd_wm8775) {
                 switch (ctrl->id) {
                 case V4L2_CID_AUDIO_MUTE:
                         wm8775_s_ctrl(core, ctrl->id, ctrl->val);
diff --git a/drivers/media/pci/zoran/zoran.h b/drivers/media/pci/zoran/zoran.h
index ca2754a3cd63..5e040085c2ff 100644
--- a/drivers/media/pci/zoran/zoran.h
+++ b/drivers/media/pci/zoran/zoran.h
@@ -176,7 +176,7 @@ struct zoran_fh;
 
 struct zoran_mapping {
         struct zoran_fh *fh;
-        int count;
+        atomic_t count;
 };
 
 struct zoran_buffer {
diff --git a/drivers/media/pci/zoran/zoran_driver.c b/drivers/media/pci/zoran/zoran_driver.c
index 1168a84a737d..d133c30c3fdc 100644
--- a/drivers/media/pci/zoran/zoran_driver.c
+++ b/drivers/media/pci/zoran/zoran_driver.c
@@ -2803,8 +2803,7 @@ static void
 zoran_vm_open (struct vm_area_struct *vma)
 {
         struct zoran_mapping *map = vma->vm_private_data;
-
-        map->count++;
+        atomic_inc(&map->count);
 }
 
 static void
@@ -2815,7 +2814,7 @@ zoran_vm_close (struct vm_area_struct *vma)
         struct zoran *zr = fh->zr;
         int i;
 
-        if (--map->count > 0)
+        if (!atomic_dec_and_mutex_lock(&map->count, &zr->resource_lock))
                 return;
 
         dprintk(3, KERN_INFO "%s: %s - munmap(%s)\n", ZR_DEVNAME(zr),
@@ -2828,14 +2827,16 @@ zoran_vm_close (struct vm_area_struct *vma)
         kfree(map);
 
         /* Any buffers still mapped? */
-        for (i = 0; i < fh->buffers.num_buffers; i++)
-                if (fh->buffers.buffer[i].map)
+        for (i = 0; i < fh->buffers.num_buffers; i++) {
+                if (fh->buffers.buffer[i].map) {
+                        mutex_unlock(&zr->resource_lock);
                         return;
+                }
+        }
 
         dprintk(3, KERN_INFO "%s: %s - free %s buffers\n", ZR_DEVNAME(zr),
                 __func__, mode_name(fh->map_mode));
 
-        mutex_lock(&zr->resource_lock);
 
         if (fh->map_mode == ZORAN_MAP_MODE_RAW) {
                 if (fh->buffers.active != ZORAN_FREE) {
@@ -2939,7 +2940,7 @@ zoran_mmap (struct file           *file,
                 goto mmap_unlock_and_return;
         }
         map->fh = fh;
-        map->count = 1;
+        atomic_set(&map->count, 1);
 
         vma->vm_ops = &zoran_vm_ops;
         vma->vm_flags |= VM_DONTEXPAND;
diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c
index 48b8d7af386d..9d1481a60bd9 100644
--- a/drivers/media/platform/coda.c
+++ b/drivers/media/platform/coda.c
@@ -576,6 +576,14 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
         return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
 }
 
+static int vidioc_create_bufs(struct file *file, void *priv,
+                              struct v4l2_create_buffers *create)
+{
+        struct coda_ctx *ctx = fh_to_ctx(priv);
+
+        return v4l2_m2m_create_bufs(file, ctx->m2m_ctx, create);
+}
+
 static int vidioc_streamon(struct file *file, void *priv,
                            enum v4l2_buf_type type)
 {
@@ -610,6 +618,7 @@ static const struct v4l2_ioctl_ops coda_ioctl_ops = {
 
         .vidioc_qbuf            = vidioc_qbuf,
         .vidioc_dqbuf           = vidioc_dqbuf,
+        .vidioc_create_bufs     = vidioc_create_bufs,
 
         .vidioc_streamon        = vidioc_streamon,
         .vidioc_streamoff       = vidioc_streamoff,
diff --git a/drivers/media/platform/davinci/vpbe_display.c b/drivers/media/platform/davinci/vpbe_display.c
index 1802f11e939f..d0b375cf565f 100644
--- a/drivers/media/platform/davinci/vpbe_display.c
+++ b/drivers/media/platform/davinci/vpbe_display.c
@@ -916,6 +916,21 @@ static int vpbe_display_s_fmt(struct file *file, void *priv,
         other video window */
 
         layer->pix_fmt = *pixfmt;
+        if (pixfmt->pixelformat == V4L2_PIX_FMT_NV12) {
+                struct vpbe_layer *otherlayer;
+
+                otherlayer = _vpbe_display_get_other_win_layer(disp_dev, layer);
+                /* if other layer is available, only
+                 * claim it, do not configure it
+                 */
+                ret = osd_device->ops.request_layer(osd_device,
+                                                    otherlayer->layer_info.id);
+                if (ret < 0) {
+                        v4l2_err(&vpbe_dev->v4l2_dev,
+                                 "Display Manager failed to allocate layer\n");
+                        return -EBUSY;
+                }
+        }
 
         /* Get osd layer config */
         osd_device->ops.get_layer_config(osd_device,
diff --git a/drivers/media/platform/davinci/vpfe_capture.c b/drivers/media/platform/davinci/vpfe_capture.c
index 8c50d3074866..93609091cb23 100644
--- a/drivers/media/platform/davinci/vpfe_capture.c
+++ b/drivers/media/platform/davinci/vpfe_capture.c
@@ -1837,7 +1837,7 @@ static int vpfe_probe(struct platform_device *pdev)
         if (NULL == ccdc_cfg) {
                 v4l2_err(pdev->dev.driver,
                          "Memory allocation failed for ccdc_cfg\n");
-                goto probe_free_lock;
+                goto probe_free_dev_mem;
         }
 
         mutex_lock(&ccdc_lock);
@@ -1991,7 +1991,6 @@ probe_out_release_irq:
         free_irq(vpfe_dev->ccdc_irq0, vpfe_dev);
 probe_free_ccdc_cfg_mem:
         kfree(ccdc_cfg);
-probe_free_lock:
         mutex_unlock(&ccdc_lock);
 probe_free_dev_mem:
         kfree(vpfe_dev);
diff --git a/drivers/media/platform/exynos4-is/fimc-is-regs.c b/drivers/media/platform/exynos4-is/fimc-is-regs.c
index b0ff67bc1b05..d05eaa2c8490 100644
--- a/drivers/media/platform/exynos4-is/fimc-is-regs.c
+++ b/drivers/media/platform/exynos4-is/fimc-is-regs.c
@@ -174,7 +174,7 @@ int fimc_is_hw_change_mode(struct fimc_is *is)
                 HIC_CAPTURE_STILL, HIC_CAPTURE_VIDEO,
         };
 
-        if (WARN_ON(is->config_index > ARRAY_SIZE(cmd)))
+        if (WARN_ON(is->config_index >= ARRAY_SIZE(cmd)))
                 return -EINVAL;
 
         mcuctl_write(cmd[is->config_index], is, MCUCTL_REG_ISSR(0));
diff --git a/drivers/media/platform/exynos4-is/fimc-is.c b/drivers/media/platform/exynos4-is/fimc-is.c
index 47c6363d04e2..0741945b79ed 100644
--- a/drivers/media/platform/exynos4-is/fimc-is.c
+++ b/drivers/media/platform/exynos4-is/fimc-is.c
@@ -48,7 +48,6 @@ static char *fimc_is_clocks[ISS_CLKS_MAX] = {
         [ISS_CLK_LITE0]                 = "lite0",
         [ISS_CLK_LITE1]                 = "lite1",
         [ISS_CLK_MPLL]                  = "mpll",
-        [ISS_CLK_SYSREG]                = "sysreg",
         [ISS_CLK_ISP]                   = "isp",
         [ISS_CLK_DRC]                   = "drc",
         [ISS_CLK_FD]                    = "fd",
@@ -71,7 +70,6 @@ static void fimc_is_put_clocks(struct fimc_is *is)
         for (i = 0; i < ISS_CLKS_MAX; i++) {
                 if (IS_ERR(is->clocks[i]))
                         continue;
-                clk_unprepare(is->clocks[i]);
                 clk_put(is->clocks[i]);
                 is->clocks[i] = ERR_PTR(-EINVAL);
         }
@@ -90,12 +88,6 @@ static int fimc_is_get_clocks(struct fimc_is *is)
                         ret = PTR_ERR(is->clocks[i]);
                         goto err;
                 }
-                ret = clk_prepare(is->clocks[i]);
-                if (ret < 0) {
-                        clk_put(is->clocks[i]);
-                        is->clocks[i] = ERR_PTR(-EINVAL);
-                        goto err;
-                }
         }
 
         return 0;
@@ -103,7 +95,7 @@ err:
         fimc_is_put_clocks(is);
         dev_err(&is->pdev->dev, "failed to get clock: %s\n",
                 fimc_is_clocks[i]);
-        return -ENXIO;
+        return ret;
 }
 
 static int fimc_is_setup_clocks(struct fimc_is *is)
@@ -144,7 +136,7 @@ int fimc_is_enable_clocks(struct fimc_is *is)
         for (i = 0; i < ISS_GATE_CLKS_MAX; i++) {
                 if (IS_ERR(is->clocks[i]))
                         continue;
-                ret = clk_enable(is->clocks[i]);
+                ret = clk_prepare_enable(is->clocks[i]);
                 if (ret < 0) {
                         dev_err(&is->pdev->dev, "clock %s enable failed\n",
                                 fimc_is_clocks[i]);
@@ -163,7 +155,7 @@ void fimc_is_disable_clocks(struct fimc_is *is)
 
         for (i = 0; i < ISS_GATE_CLKS_MAX; i++) {
                 if (!IS_ERR(is->clocks[i])) {
-                        clk_disable(is->clocks[i]);
+                        clk_disable_unprepare(is->clocks[i]);
                         pr_debug("disabled clock: %s\n", fimc_is_clocks[i]);
                 }
         }
@@ -326,6 +318,11 @@ int fimc_is_start_firmware(struct fimc_is *is)
         struct device *dev = &is->pdev->dev;
         int ret;
 
+        if (is->fw.f_w == NULL) {
+                dev_err(dev, "firmware is not loaded\n");
+                return -EINVAL;
+        }
+
         memcpy(is->memory.vaddr, is->fw.f_w->data, is->fw.f_w->size);
         wmb();
 
@@ -837,23 +834,11 @@ static int fimc_is_probe(struct platform_device *pdev)
                 goto err_clk;
         }
         pm_runtime_enable(dev);
-        /*
-         * Enable only the ISP power domain, keep FIMC-IS clocks off until
-         * the whole clock tree is configured. The ISP power domain needs
-         * be active in order to acces any CMU_ISP clock registers.
-         */
-        ret = pm_runtime_get_sync(dev);
-        if (ret < 0)
-                goto err_irq;
-
-        ret = fimc_is_setup_clocks(is);
-        pm_runtime_put_sync(dev);
 
+        ret = pm_runtime_get_sync(dev);
         if (ret < 0)
                 goto err_irq;
 
-        is->clk_init = true;
-
         is->alloc_ctx = vb2_dma_contig_init_ctx(dev);
         if (IS_ERR(is->alloc_ctx)) {
                 ret = PTR_ERR(is->alloc_ctx);
@@ -875,6 +860,8 @@ static int fimc_is_probe(struct platform_device *pdev)
         if (ret < 0)
                 goto err_dfs;
 
+        pm_runtime_put_sync(dev);
+
         dev_dbg(dev, "FIMC-IS registered successfully\n");
         return 0;
 
@@ -894,9 +881,11 @@ err_clk:
 static int fimc_is_runtime_resume(struct device *dev)
 {
         struct fimc_is *is = dev_get_drvdata(dev);
+        int ret;
 
-        if (!is->clk_init)
-                return 0;
+        ret = fimc_is_setup_clocks(is);
+        if (ret)
+                return ret;
 
         return fimc_is_enable_clocks(is);
 }
@@ -905,9 +894,7 @@ static int fimc_is_runtime_suspend(struct device *dev)
 {
         struct fimc_is *is = dev_get_drvdata(dev);
 
-        if (is->clk_init)
-                fimc_is_disable_clocks(is);
-
+        fimc_is_disable_clocks(is);
         return 0;
 }
 
@@ -941,7 +928,8 @@ static int fimc_is_remove(struct platform_device *pdev)
         vb2_dma_contig_cleanup_ctx(is->alloc_ctx);
         fimc_is_put_clocks(is);
         fimc_is_debugfs_remove(is);
-        release_firmware(is->fw.f_w);
+        if (is->fw.f_w)
+                release_firmware(is->fw.f_w);
         fimc_is_free_cpu_memory(is);
 
         return 0;
diff --git a/drivers/media/platform/exynos4-is/fimc-is.h b/drivers/media/platform/exynos4-is/fimc-is.h
index f5275a5b0156..d7db133b493f 100644
--- a/drivers/media/platform/exynos4-is/fimc-is.h
+++ b/drivers/media/platform/exynos4-is/fimc-is.h
@@ -73,7 +73,6 @@ enum {
         ISS_CLK_LITE0,
         ISS_CLK_LITE1,
         ISS_CLK_MPLL,
-        ISS_CLK_SYSREG,
         ISS_CLK_ISP,
         ISS_CLK_DRC,
         ISS_CLK_FD,
@@ -265,7 +264,6 @@ struct fimc_is {
         spinlock_t                      slock;
 
         struct clk                      *clocks[ISS_CLKS_MAX];
-        bool                            clk_init;
         void __iomem                    *regs;
         void __iomem                    *pmu_regs;
         int                             irq;
diff --git a/drivers/media/platform/exynos4-is/fimc-isp.c b/drivers/media/platform/exynos4-is/fimc-isp.c
index d63947f7b302..7ede30b5910f 100644
--- a/drivers/media/platform/exynos4-is/fimc-isp.c
+++ b/drivers/media/platform/exynos4-is/fimc-isp.c
@@ -138,7 +138,7 @@ static int fimc_isp_subdev_get_fmt(struct v4l2_subdev *sd,
                 return 0;
         }
 
-        mf->colorspace = V4L2_COLORSPACE_JPEG;
+        mf->colorspace = V4L2_COLORSPACE_SRGB;
 
         mutex_lock(&isp->subdev_lock);
         __is_get_frame_size(is, &cur_fmt);
@@ -194,7 +194,7 @@ static int fimc_isp_subdev_set_fmt(struct v4l2_subdev *sd,
         v4l2_dbg(1, debug, sd, "%s: pad%d: code: 0x%x, %dx%d\n",
                  __func__, fmt->pad, mf->code, mf->width, mf->height);
 
-        mf->colorspace = V4L2_COLORSPACE_JPEG;
+        mf->colorspace = V4L2_COLORSPACE_SRGB;
 
         mutex_lock(&isp->subdev_lock);
         __isp_subdev_try_format(isp, fmt);
diff --git a/drivers/media/platform/exynos4-is/mipi-csis.c b/drivers/media/platform/exynos4-is/mipi-csis.c
index a2eda9d5ac87..254d70fe762a 100644
--- a/drivers/media/platform/exynos4-is/mipi-csis.c
+++ b/drivers/media/platform/exynos4-is/mipi-csis.c
@@ -746,7 +746,7 @@ static int s5pcsis_parse_dt(struct platform_device *pdev,
         node = v4l2_of_get_next_endpoint(node, NULL);
         if (!node) {
                 dev_err(&pdev->dev, "No port node at %s\n",
-                                        node->full_name);
+                                pdev->dev.of_node->full_name);
                 return -EINVAL;
         }
         /* Get port node and validate MIPI-CSI channel id. */
diff --git a/drivers/media/platform/omap/omap_vout.c b/drivers/media/platform/omap/omap_vout.c
index 477268a2415f..d338b19da544 100644
--- a/drivers/media/platform/omap/omap_vout.c
+++ b/drivers/media/platform/omap/omap_vout.c
@@ -2150,6 +2150,9 @@ static int __init omap_vout_probe(struct platform_device *pdev)
         struct omap_dss_device *def_display;
         struct omap2video_device *vid_dev = NULL;
 
+        if (omapdss_is_initialized() == false)
+                return -EPROBE_DEFER;
+
         ret = omapdss_compat_init();
         if (ret) {
                 dev_err(&pdev->dev, "failed to init dss\n");
diff --git a/drivers/media/platform/s3c-camif/camif-core.h b/drivers/media/platform/s3c-camif/camif-core.h
index 261134baa655..35d2fcdc0036 100644
--- a/drivers/media/platform/s3c-camif/camif-core.h
+++ b/drivers/media/platform/s3c-camif/camif-core.h
@@ -229,7 +229,7 @@ struct camif_vp {
         unsigned int            state;
         u16                     fmt_flags;
         u8                      id;
-        u8                      rotation;
+        u16                     rotation;
         u8                      hflip;
         u8                      vflip;
         unsigned int            offset;
diff --git a/drivers/media/platform/s5p-jpeg/Makefile b/drivers/media/platform/s5p-jpeg/Makefile
index ddc2900d88a2..d18cb5edd2d5 100644
--- a/drivers/media/platform/s5p-jpeg/Makefile
+++ b/drivers/media/platform/s5p-jpeg/Makefile
@@ -1,2 +1,2 @@
 s5p-jpeg-objs := jpeg-core.o
-obj-$(CONFIG_VIDEO_SAMSUNG_S5P_JPEG) := s5p-jpeg.o
+obj-$(CONFIG_VIDEO_SAMSUNG_S5P_JPEG) += s5p-jpeg.o
diff --git a/drivers/media/platform/s5p-mfc/Makefile b/drivers/media/platform/s5p-mfc/Makefile
index 379008c6d09a..15f59b324fef 100644
--- a/drivers/media/platform/s5p-mfc/Makefile
+++ b/drivers/media/platform/s5p-mfc/Makefile
@@ -1,4 +1,4 @@
-obj-$(CONFIG_VIDEO_SAMSUNG_S5P_MFC) := s5p-mfc.o
+obj-$(CONFIG_VIDEO_SAMSUNG_S5P_MFC) += s5p-mfc.o
 s5p-mfc-y += s5p_mfc.o s5p_mfc_intr.o
 s5p-mfc-y += s5p_mfc_dec.o s5p_mfc_enc.o
 s5p-mfc-y += s5p_mfc_ctrl.o s5p_mfc_pm.o
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
index 01f9ae0dadb0..d12faa691af8 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
@@ -397,7 +397,7 @@ static void s5p_mfc_handle_frame(struct s5p_mfc_ctx *ctx,
 leave_handle_frame:
         spin_unlock_irqrestore(&dev->irqlock, flags);
         if ((ctx->src_queue_cnt == 0 && ctx->state != MFCINST_FINISHING)
-                                    || ctx->dst_queue_cnt < ctx->dpb_count)
+                                    || ctx->dst_queue_cnt < ctx->pb_count)
                 clear_work_bit(ctx);
         s5p_mfc_hw_call(dev->mfc_ops, clear_int_flags, dev);
         wake_up_ctx(ctx, reason, err);
@@ -473,7 +473,7 @@ static void s5p_mfc_handle_seq_done(struct s5p_mfc_ctx *ctx,
 
                 s5p_mfc_hw_call(dev->mfc_ops, dec_calc_dpb_size, ctx);
 
-                ctx->dpb_count = s5p_mfc_hw_call(dev->mfc_ops, get_dpb_count,
+                ctx->pb_count = s5p_mfc_hw_call(dev->mfc_ops, get_dpb_count,
                                 dev);
                 ctx->mv_count = s5p_mfc_hw_call(dev->mfc_ops, get_mv_count,
                                 dev);
@@ -562,7 +562,7 @@ static void s5p_mfc_handle_stream_complete(struct s5p_mfc_ctx *ctx,
         struct s5p_mfc_dev *dev = ctx->dev;
         struct s5p_mfc_buf *mb_entry;
 
-        mfc_debug(2, "Stream completed");
+        mfc_debug(2, "Stream completed\n");
 
         s5p_mfc_clear_int_flags(dev);
         ctx->int_type = reason;
@@ -1362,7 +1362,6 @@ static struct s5p_mfc_variant mfc_drvdata_v5 = {
         .port_num       = MFC_NUM_PORTS,
         .buf_size       = &buf_size_v5,
         .buf_align      = &mfc_buf_align_v5,
-        .mclk_name      = "sclk_mfc",
         .fw_name        = "s5p-mfc.fw",
 };
 
@@ -1389,7 +1388,6 @@ static struct s5p_mfc_variant mfc_drvdata_v6 = {
         .port_num       = MFC_NUM_PORTS_V6,
         .buf_size       = &buf_size_v6,
         .buf_align      = &mfc_buf_align_v6,
-        .mclk_name      = "aclk_333",
         .fw_name        = "s5p-mfc-v6.fw",
 };
 
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
index 202d1d7a37a8..ef4074cd5316 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
@@ -138,6 +138,7 @@ enum s5p_mfc_inst_state {
         MFCINST_INIT = 100,
         MFCINST_GOT_INST,
         MFCINST_HEAD_PARSED,
+        MFCINST_HEAD_PRODUCED,
         MFCINST_BUFS_SET,
         MFCINST_RUNNING,
         MFCINST_FINISHING,
@@ -231,7 +232,6 @@ struct s5p_mfc_variant {
         unsigned int port_num;
         struct s5p_mfc_buf_size *buf_size;
         struct s5p_mfc_buf_align *buf_align;
-        char    *mclk_name;
         char    *fw_name;
 };
 
@@ -438,7 +438,7 @@ struct s5p_mfc_enc_params {
         u32 rc_framerate_num;
         u32 rc_framerate_denom;
 
-        union {
+        struct {
                 struct s5p_mfc_h264_enc_params h264;
                 struct s5p_mfc_mpeg4_enc_params mpeg4;
         } codec;
@@ -602,7 +602,7 @@ struct s5p_mfc_ctx {
         int after_packed_pb;
         int sei_fp_parse;
 
-        int dpb_count;
+        int pb_count;
         int total_dpb_count;
         int mv_count;
         /* Buffers */
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c
index 2e5f30b40dea..dc1fc94a488d 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c
@@ -38,7 +38,7 @@ int s5p_mfc_alloc_firmware(struct s5p_mfc_dev *dev)
         dev->fw_virt_addr = dma_alloc_coherent(dev->mem_dev_l, dev->fw_size,
                                         &dev->bank1, GFP_KERNEL);
 
-        if (IS_ERR(dev->fw_virt_addr)) {
+        if (IS_ERR_OR_NULL(dev->fw_virt_addr)) {
                 dev->fw_virt_addr = NULL;
                 mfc_err("Allocating bitprocessor buffer failed\n");
                 return -ENOMEM;
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_debug.h b/drivers/media/platform/s5p-mfc/s5p_mfc_debug.h
index bd5cd4ae993c..8e608f5aa0d7 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_debug.h
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_debug.h
@@ -30,8 +30,8 @@ extern int debug;
 #define mfc_debug(level, fmt, args...)
 #endif
 
-#define mfc_debug_enter() mfc_debug(5, "enter")
-#define mfc_debug_leave() mfc_debug(5, "leave")
+#define mfc_debug_enter() mfc_debug(5, "enter\n")
+#define mfc_debug_leave() mfc_debug(5, "leave\n")
 
 #define mfc_err(fmt, args...)                           \
         do {                                            \
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
index 4af53bd2f182..00b07032f4f0 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
@@ -210,11 +210,11 @@ static int s5p_mfc_ctx_ready(struct s5p_mfc_ctx *ctx)
         /* Context is to decode a frame */
         if (ctx->src_queue_cnt >= 1 &&
             ctx->state == MFCINST_RUNNING &&
-            ctx->dst_queue_cnt >= ctx->dpb_count)
+            ctx->dst_queue_cnt >= ctx->pb_count)
                 return 1;
         /* Context is to return last frame */
         if (ctx->state == MFCINST_FINISHING &&
-            ctx->dst_queue_cnt >= ctx->dpb_count)
+            ctx->dst_queue_cnt >= ctx->pb_count)
                 return 1;
         /* Context is to set buffers */
         if (ctx->src_queue_cnt >= 1 &&
@@ -224,7 +224,7 @@ static int s5p_mfc_ctx_ready(struct s5p_mfc_ctx *ctx)
         /* Resolution change */
         if ((ctx->state == MFCINST_RES_CHANGE_INIT ||
                 ctx->state == MFCINST_RES_CHANGE_FLUSH) &&
-                ctx->dst_queue_cnt >= ctx->dpb_count)
+                ctx->dst_queue_cnt >= ctx->pb_count)
                 return 1;
         if (ctx->state == MFCINST_RES_CHANGE_END &&
                 ctx->src_queue_cnt >= 1)
@@ -537,7 +537,7 @@ static int vidioc_reqbufs(struct file *file, void *priv,
                         mfc_err("vb2_reqbufs on capture failed\n");
                         return ret;
                 }
-                if (reqbufs->count < ctx->dpb_count) {
+                if (reqbufs->count < ctx->pb_count) {
                         mfc_err("Not enough buffers allocated\n");
                         reqbufs->count = 0;
                         s5p_mfc_clock_on();
@@ -751,7 +751,7 @@ static int s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl *ctrl)
         case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
                 if (ctx->state >= MFCINST_HEAD_PARSED &&
                     ctx->state < MFCINST_ABORT) {
-                        ctrl->val = ctx->dpb_count;
+                        ctrl->val = ctx->pb_count;
                         break;
                 } else if (ctx->state != MFCINST_INIT) {
                         v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n");
@@ -763,7 +763,7 @@ static int s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl *ctrl)
                                 S5P_MFC_R2H_CMD_SEQ_DONE_RET, 0);
                 if (ctx->state >= MFCINST_HEAD_PARSED &&
                     ctx->state < MFCINST_ABORT) {
-                        ctrl->val = ctx->dpb_count;
+                        ctrl->val = ctx->pb_count;
                 } else {
                         v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n");
                         return -EINVAL;
@@ -924,10 +924,10 @@ static int s5p_mfc_queue_setup(struct vb2_queue *vq,
                 /* Output plane count is 2 - one for Y and one for CbCr */
                 *plane_count = 2;
                 /* Setup buffer count */
-                if (*buf_count < ctx->dpb_count)
-                        *buf_count = ctx->dpb_count;
-                if (*buf_count > ctx->dpb_count + MFC_MAX_EXTRA_DPB)
-                        *buf_count = ctx->dpb_count + MFC_MAX_EXTRA_DPB;
+                if (*buf_count < ctx->pb_count)
+                        *buf_count = ctx->pb_count;
+                if (*buf_count > ctx->pb_count + MFC_MAX_EXTRA_DPB)
+                        *buf_count = ctx->pb_count + MFC_MAX_EXTRA_DPB;
                 if (*buf_count > MFC_MAX_BUFFERS)
                         *buf_count = MFC_MAX_BUFFERS;
         } else {
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
index 4f6b553c4b2d..2549967b2f85 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
@@ -592,7 +592,7 @@ static int s5p_mfc_ctx_ready(struct s5p_mfc_ctx *ctx)
                 return 1;
         /* context is ready to encode a frame */
         if ((ctx->state == MFCINST_RUNNING ||
-                ctx->state == MFCINST_HEAD_PARSED) &&
+                ctx->state == MFCINST_HEAD_PRODUCED) &&
                 ctx->src_queue_cnt >= 1 && ctx->dst_queue_cnt >= 1)
                 return 1;
         /* context is ready to encode remaining frames */
@@ -649,6 +649,7 @@ static int enc_post_seq_start(struct s5p_mfc_ctx *ctx)
         struct s5p_mfc_enc_params *p = &ctx->enc_params;
         struct s5p_mfc_buf *dst_mb;
         unsigned long flags;
+        unsigned int enc_pb_count;
 
         if (p->seq_hdr_mode == V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE) {
                 spin_lock_irqsave(&dev->irqlock, flags);
@@ -661,18 +662,19 @@ static int enc_post_seq_start(struct s5p_mfc_ctx *ctx)
                 vb2_buffer_done(dst_mb->b, VB2_BUF_STATE_DONE);
                 spin_unlock_irqrestore(&dev->irqlock, flags);
         }
-        if (IS_MFCV6(dev)) {
-                ctx->state = MFCINST_HEAD_PARSED; /* for INIT_BUFFER cmd */
-        } else {
+
+        if (!IS_MFCV6(dev)) {
                 ctx->state = MFCINST_RUNNING;
                 if (s5p_mfc_ctx_ready(ctx))
                         set_work_bit_irqsave(ctx);
                 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
-        }
-
-        if (IS_MFCV6(dev))
-                ctx->dpb_count = s5p_mfc_hw_call(dev->mfc_ops,
+        } else {
+                enc_pb_count = s5p_mfc_hw_call(dev->mfc_ops,
                                 get_enc_dpb_count, dev);
+                if (ctx->pb_count < enc_pb_count)
+                        ctx->pb_count = enc_pb_count;
+                ctx->state = MFCINST_HEAD_PRODUCED;
+        }
 
         return 0;
 }
@@ -717,9 +719,9 @@ static int enc_post_frame_start(struct s5p_mfc_ctx *ctx)
 
         slice_type = s5p_mfc_hw_call(dev->mfc_ops, get_enc_slice_type, dev);
         strm_size = s5p_mfc_hw_call(dev->mfc_ops, get_enc_strm_size, dev);
-        mfc_debug(2, "Encoded slice type: %d", slice_type);
-        mfc_debug(2, "Encoded stream size: %d", strm_size);
-        mfc_debug(2, "Display order: %d",
+        mfc_debug(2, "Encoded slice type: %d\n", slice_type);
+        mfc_debug(2, "Encoded stream size: %d\n", strm_size);
+        mfc_debug(2, "Display order: %d\n",
                   mfc_read(dev, S5P_FIMV_ENC_SI_PIC_CNT));
         spin_lock_irqsave(&dev->irqlock, flags);
         if (slice_type >= 0) {
@@ -1055,15 +1057,13 @@ static int vidioc_reqbufs(struct file *file, void *priv,
                 }
                 ctx->capture_state = QUEUE_BUFS_REQUESTED;
 
-                if (!IS_MFCV6(dev)) {
-                        ret = s5p_mfc_hw_call(ctx->dev->mfc_ops,
-                                        alloc_codec_buffers, ctx);
-                        if (ret) {
-                                mfc_err("Failed to allocate encoding buffers\n");
-                                reqbufs->count = 0;
-                                ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
-                                return -ENOMEM;
-                        }
+                ret = s5p_mfc_hw_call(ctx->dev->mfc_ops,
+                                alloc_codec_buffers, ctx);
+                if (ret) {
+                        mfc_err("Failed to allocate encoding buffers\n");
+                        reqbufs->count = 0;
+                        ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
+                        return -ENOMEM;
                 }
         } else if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
                 if (ctx->output_state != QUEUE_FREE) {
@@ -1071,6 +1071,19 @@ static int vidioc_reqbufs(struct file *file, void *priv,
                                                         ctx->output_state);
                         return -EINVAL;
                 }
+
+                if (IS_MFCV6(dev)) {
+                        /* Check for min encoder buffers */
+                        if (ctx->pb_count &&
+                                (reqbufs->count < ctx->pb_count)) {
+                                reqbufs->count = ctx->pb_count;
+                                mfc_debug(2, "Minimum %d output buffers needed\n",
+                                                ctx->pb_count);
+                        } else {
+                                ctx->pb_count = reqbufs->count;
+                        }
+                }
+
                 ret = vb2_reqbufs(&ctx->vq_src, reqbufs);
                 if (ret != 0) {
                         mfc_err("error in vb2_reqbufs() for E(S)\n");
@@ -1533,14 +1546,14 @@ int vidioc_encoder_cmd(struct file *file, void *priv,
 
                 spin_lock_irqsave(&dev->irqlock, flags);
                 if (list_empty(&ctx->src_queue)) {
-                        mfc_debug(2, "EOS: empty src queue, entering finishing state");
+                        mfc_debug(2, "EOS: empty src queue, entering finishing state\n");
                         ctx->state = MFCINST_FINISHING;
                         if (s5p_mfc_ctx_ready(ctx))
                                 set_work_bit_irqsave(ctx);
                         spin_unlock_irqrestore(&dev->irqlock, flags);
                         s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
                 } else {
-                        mfc_debug(2, "EOS: marking last buffer of stream");
+                        mfc_debug(2, "EOS: marking last buffer of stream\n");
                         buf = list_entry(ctx->src_queue.prev,
                                                 struct s5p_mfc_buf, list);
                         if (buf->flags & MFC_BUF_FLAG_USED)
@@ -1609,9 +1622,9 @@ static int check_vb_with_fmt(struct s5p_mfc_fmt *fmt, struct vb2_buffer *vb)
                         mfc_err("failed to get plane cookie\n");
                         return -EINVAL;
                 }
-                mfc_debug(2, "index: %d, plane[%d] cookie: 0x%08zx",
-                                vb->v4l2_buf.index, i,
-                                vb2_dma_contig_plane_dma_addr(vb, i));
+                mfc_debug(2, "index: %d, plane[%d] cookie: 0x%08zx\n",
+                          vb->v4l2_buf.index, i,
+                          vb2_dma_contig_plane_dma_addr(vb, i));
         }
         return 0;
 }
@@ -1760,11 +1773,27 @@ static int s5p_mfc_start_streaming(struct vb2_queue *q, unsigned int count)
         struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
         struct s5p_mfc_dev *dev = ctx->dev;
 
-        v4l2_ctrl_handler_setup(&ctx->ctrl_handler);
+        if (IS_MFCV6(dev) && (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)) {
+
+                if ((ctx->state == MFCINST_GOT_INST) &&
+                        (dev->curr_ctx == ctx->num) && dev->hw_lock) {
+                        s5p_mfc_wait_for_done_ctx(ctx,
+                                                S5P_MFC_R2H_CMD_SEQ_DONE_RET,
+                                                0);
+                }
+
+                if (ctx->src_bufs_cnt < ctx->pb_count) {
+                        mfc_err("Need minimum %d OUTPUT buffers\n",
+                                        ctx->pb_count);
+                        return -EINVAL;
+                }
+        }
+
         /* If context is ready then dev = work->data;schedule it to run */
         if (s5p_mfc_ctx_ready(ctx))
                 set_work_bit_irqsave(ctx);
         s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
+
         return 0;
 }
 
@@ -1920,6 +1949,7 @@ int s5p_mfc_enc_ctrls_setup(struct s5p_mfc_ctx *ctx)
                 if (controls[i].is_volatile && ctx->ctrls[i])
                         ctx->ctrls[i]->flags |= V4L2_CTRL_FLAG_VOLATILE;
         }
+        v4l2_ctrl_handler_setup(&ctx->ctrl_handler);
         return 0;
 }
 
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c
index 0af05a2d1cd4..368582b091bf 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c
@@ -1275,8 +1275,8 @@ static int s5p_mfc_run_enc_frame(struct s5p_mfc_ctx *ctx)
         spin_unlock_irqrestore(&dev->irqlock, flags);
         dev->curr_ctx = ctx->num;
         s5p_mfc_clean_ctx_int_flags(ctx);
-        mfc_debug(2, "encoding buffer with index=%d state=%d",
-                        src_mb ? src_mb->b->v4l2_buf.index : -1, ctx->state);
+        mfc_debug(2, "encoding buffer with index=%d state=%d\n",
+                  src_mb ? src_mb->b->v4l2_buf.index : -1, ctx->state);
         s5p_mfc_encode_one_frame_v5(ctx);
         return 0;
 }
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
index 7e76fce2e524..66f0d042357f 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
@@ -62,12 +62,6 @@ static void s5p_mfc_release_dec_desc_buffer_v6(struct s5p_mfc_ctx *ctx)
         /* NOP */
 }
 
-static int s5p_mfc_get_dec_status_v6(struct s5p_mfc_dev *dev)
-{
-        /* NOP */
-        return -1;
-}
-
 /* Allocate codec buffers */
 static int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx)
 {
@@ -167,7 +161,7 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx)
                                 S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6);
                 ctx->bank1.size =
                         ctx->scratch_buf_size + ctx->tmv_buffer_size +
-                        (ctx->dpb_count * (ctx->luma_dpb_size +
+                        (ctx->pb_count * (ctx->luma_dpb_size +
                         ctx->chroma_dpb_size + ctx->me_buffer_size));
                 ctx->bank2.size = 0;
                 break;
@@ -181,7 +175,7 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx)
                                 S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6);
                 ctx->bank1.size =
                         ctx->scratch_buf_size + ctx->tmv_buffer_size +
-                        (ctx->dpb_count * (ctx->luma_dpb_size +
+                        (ctx->pb_count * (ctx->luma_dpb_size +
                         ctx->chroma_dpb_size + ctx->me_buffer_size));
                 ctx->bank2.size = 0;
                 break;
@@ -198,7 +192,6 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx)
                 }
                 BUG_ON(ctx->bank1.dma & ((1 << MFC_BANK1_ALIGN_ORDER) - 1));
         }
-
         return 0;
 }
 
@@ -449,8 +442,8 @@ static int s5p_mfc_set_enc_stream_buffer_v6(struct s5p_mfc_ctx *ctx,
         WRITEL(addr, S5P_FIMV_E_STREAM_BUFFER_ADDR_V6); /* 16B align */
         WRITEL(size, S5P_FIMV_E_STREAM_BUFFER_SIZE_V6);
 
-        mfc_debug(2, "stream buf addr: 0x%08lx, size: 0x%d",
-                addr, size);
+        mfc_debug(2, "stream buf addr: 0x%08lx, size: 0x%d\n",
+                  addr, size);
 
         return 0;
 }
@@ -463,8 +456,8 @@ static void s5p_mfc_set_enc_frame_buffer_v6(struct s5p_mfc_ctx *ctx,
         WRITEL(y_addr, S5P_FIMV_E_SOURCE_LUMA_ADDR_V6); /* 256B align */
         WRITEL(c_addr, S5P_FIMV_E_SOURCE_CHROMA_ADDR_V6);
 
-        mfc_debug(2, "enc src y buf addr: 0x%08lx", y_addr);
-        mfc_debug(2, "enc src c buf addr: 0x%08lx", c_addr);
+        mfc_debug(2, "enc src y buf addr: 0x%08lx\n", y_addr);
+        mfc_debug(2, "enc src c buf addr: 0x%08lx\n", c_addr);
 }
 
 static void s5p_mfc_get_enc_frame_buffer_v6(struct s5p_mfc_ctx *ctx,
@@ -479,8 +472,8 @@ static void s5p_mfc_get_enc_frame_buffer_v6(struct s5p_mfc_ctx *ctx,
         enc_recon_y_addr = READL(S5P_FIMV_E_RECON_LUMA_DPB_ADDR_V6);
         enc_recon_c_addr = READL(S5P_FIMV_E_RECON_CHROMA_DPB_ADDR_V6);
 
-        mfc_debug(2, "recon y addr: 0x%08lx", enc_recon_y_addr);
-        mfc_debug(2, "recon c addr: 0x%08lx", enc_recon_c_addr);
+        mfc_debug(2, "recon y addr: 0x%08lx\n", enc_recon_y_addr);
+        mfc_debug(2, "recon c addr: 0x%08lx\n", enc_recon_c_addr);
 }
 
 /* Set encoding ref & codec buffer */
@@ -497,7 +490,7 @@ static int s5p_mfc_set_enc_ref_buffer_v6(struct s5p_mfc_ctx *ctx)
 
         mfc_debug(2, "Buf1: %p (%d)\n", (void *)buf_addr1, buf_size1);
 
-        for (i = 0; i < ctx->dpb_count; i++) {
+        for (i = 0; i < ctx->pb_count; i++) {
                 WRITEL(buf_addr1, S5P_FIMV_E_LUMA_DPB_V6 + (4 * i));
                 buf_addr1 += ctx->luma_dpb_size;
                 WRITEL(buf_addr1, S5P_FIMV_E_CHROMA_DPB_V6 + (4 * i));
@@ -520,7 +513,7 @@ static int s5p_mfc_set_enc_ref_buffer_v6(struct s5p_mfc_ctx *ctx)
         buf_size1 -= ctx->tmv_buffer_size;
 
         mfc_debug(2, "Buf1: %u, buf_size1: %d (ref frames %d)\n",
-                        buf_addr1, buf_size1, ctx->dpb_count);
+                        buf_addr1, buf_size1, ctx->pb_count);
         if (buf_size1 < 0) {
                 mfc_debug(2, "Not enough memory has been allocated.\n");
                 return -ENOMEM;
@@ -1431,8 +1424,8 @@ static inline int s5p_mfc_run_enc_frame(struct s5p_mfc_ctx *ctx)
         src_y_addr = vb2_dma_contig_plane_dma_addr(src_mb->b, 0);
         src_c_addr = vb2_dma_contig_plane_dma_addr(src_mb->b, 1);
 
-        mfc_debug(2, "enc src y addr: 0x%08lx", src_y_addr);
-        mfc_debug(2, "enc src c addr: 0x%08lx", src_c_addr);
+        mfc_debug(2, "enc src y addr: 0x%08lx\n", src_y_addr);
+        mfc_debug(2, "enc src c addr: 0x%08lx\n", src_c_addr);
 
         s5p_mfc_set_enc_frame_buffer_v6(ctx, src_y_addr, src_c_addr);
 
@@ -1522,22 +1515,6 @@ static inline int s5p_mfc_run_init_enc_buffers(struct s5p_mfc_ctx *ctx)
         struct s5p_mfc_dev *dev = ctx->dev;
         int ret;
 
-        ret = s5p_mfc_alloc_codec_buffers_v6(ctx);
-        if (ret) {
-                mfc_err("Failed to allocate encoding buffers.\n");
-                return -ENOMEM;
-        }
-
-        /* Header was generated now starting processing
-         * First set the reference frame buffers
-         */
-        if (ctx->capture_state != QUEUE_BUFS_REQUESTED) {
-                mfc_err("It seems that destionation buffers were not\n"
-                        "requested.MFC requires that header should be generated\n"
-                        "before allocating codec buffer.\n");
-                return -EAGAIN;
-        }
-
         dev->curr_ctx = ctx->num;
         s5p_mfc_clean_ctx_int_flags(ctx);
         ret = s5p_mfc_set_enc_ref_buffer_v6(ctx);
@@ -1582,7 +1559,7 @@ static void s5p_mfc_try_run_v6(struct s5p_mfc_dev *dev)
         mfc_debug(1, "Seting new context to %p\n", ctx);
         /* Got context to run in ctx */
         mfc_debug(1, "ctx->dst_queue_cnt=%d ctx->dpb_count=%d ctx->src_queue_cnt=%d\n",
-                ctx->dst_queue_cnt, ctx->dpb_count, ctx->src_queue_cnt);
+                ctx->dst_queue_cnt, ctx->pb_count, ctx->src_queue_cnt);
         mfc_debug(1, "ctx->state=%d\n", ctx->state);
         /* Last frame has already been sent to MFC
          * Now obtaining frames from MFC buffer */
@@ -1647,7 +1624,7 @@ static void s5p_mfc_try_run_v6(struct s5p_mfc_dev *dev)
                 case MFCINST_GOT_INST:
                         s5p_mfc_run_init_enc(ctx);
                         break;
-                case MFCINST_HEAD_PARSED: /* Only for MFC6.x */
+                case MFCINST_HEAD_PRODUCED:
                         ret = s5p_mfc_run_init_enc_buffers(ctx);
                         break;
                 default:
@@ -1730,7 +1707,7 @@ static int s5p_mfc_get_dspl_status_v6(struct s5p_mfc_dev *dev)
         return mfc_read(dev, S5P_FIMV_D_DISPLAY_STATUS_V6);
 }
 
-static int s5p_mfc_get_decoded_status_v6(struct s5p_mfc_dev *dev)
+static int s5p_mfc_get_dec_status_v6(struct s5p_mfc_dev *dev)
 {
         return mfc_read(dev, S5P_FIMV_D_DECODED_STATUS_V6);
 }
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c b/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c
index 6aa38a56aaf2..11d5f1dada32 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c
@@ -50,19 +50,6 @@ int s5p_mfc_init_pm(struct s5p_mfc_dev *dev)
                 goto err_p_ip_clk;
         }
 
-        pm->clock = clk_get(&dev->plat_dev->dev, dev->variant->mclk_name);
-        if (IS_ERR(pm->clock)) {
-                mfc_err("Failed to get MFC clock\n");
-                ret = PTR_ERR(pm->clock);
-                goto err_g_ip_clk_2;
-        }
-
-        ret = clk_prepare(pm->clock);
-        if (ret) {
-                mfc_err("Failed to prepare MFC clock\n");
-                goto err_p_ip_clk_2;
-        }
-
         atomic_set(&pm->power, 0);
 #ifdef CONFIG_PM_RUNTIME
         pm->device = &dev->plat_dev->dev;
@@ -72,10 +59,6 @@ int s5p_mfc_init_pm(struct s5p_mfc_dev *dev)
         atomic_set(&clk_ref, 0);
 #endif
         return 0;
-err_p_ip_clk_2:
-        clk_put(pm->clock);
-err_g_ip_clk_2:
-        clk_unprepare(pm->clock_gate);
 err_p_ip_clk:
         clk_put(pm->clock_gate);
 err_g_ip_clk:
@@ -86,8 +69,6 @@ void s5p_mfc_final_pm(struct s5p_mfc_dev *dev)
 {
         clk_unprepare(pm->clock_gate);
         clk_put(pm->clock_gate);
-        clk_unprepare(pm->clock);
-        clk_put(pm->clock);
 #ifdef CONFIG_PM_RUNTIME
         pm_runtime_disable(pm->device);
 #endif
@@ -98,7 +79,7 @@ int s5p_mfc_clock_on(void)
         int ret;
 #ifdef CLK_DEBUG
         atomic_inc(&clk_ref);
-        mfc_debug(3, "+ %d", atomic_read(&clk_ref));
+        mfc_debug(3, "+ %d\n", atomic_read(&clk_ref));
 #endif
         ret = clk_enable(pm->clock_gate);
         return ret;
@@ -108,7 +89,7 @@ void s5p_mfc_clock_off(void)
 {
 #ifdef CLK_DEBUG
         atomic_dec(&clk_ref);
-        mfc_debug(3, "- %d", atomic_read(&clk_ref));
+        mfc_debug(3, "- %d\n", atomic_read(&clk_ref));
 #endif
         clk_disable(pm->clock_gate);
 }
diff --git a/drivers/media/platform/sh_veu.c b/drivers/media/platform/sh_veu.c
index 0b32cc3f6a47..59a9deefb242 100644
--- a/drivers/media/platform/sh_veu.c
+++ b/drivers/media/platform/sh_veu.c
@@ -905,11 +905,11 @@ static int sh_veu_queue_setup(struct vb2_queue *vq,
                 if (ftmp.fmt.pix.width != pix->width ||
                     ftmp.fmt.pix.height != pix->height)
                         return -EINVAL;
-                size = pix->bytesperline ? pix->bytesperline * pix->height :
-                        pix->width * pix->height * fmt->depth >> 3;
+                size = pix->bytesperline ? pix->bytesperline * pix->height * fmt->depth / fmt->ydepth :
+                        pix->width * pix->height * fmt->depth / fmt->ydepth;
         } else {
                 vfmt = sh_veu_get_vfmt(veu, vq->type);
-                size = vfmt->bytesperline * vfmt->frame.height;
+                size = vfmt->bytesperline * vfmt->frame.height * vfmt->fmt->depth / vfmt->fmt->ydepth;
         }
 
         if (count < 2)
@@ -1033,8 +1033,6 @@ static int sh_veu_release(struct file *file)
 
         dev_dbg(veu->dev, "Releasing instance %p\n", veu_file);
 
-        pm_runtime_put(veu->dev);
-
         if (veu_file == veu->capture) {
                 veu->capture = NULL;
                 vb2_queue_release(v4l2_m2m_get_vq(veu->m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE));
@@ -1050,6 +1048,8 @@ static int sh_veu_release(struct file *file)
                 veu->m2m_ctx = NULL;
         }
 
+        pm_runtime_put(veu->dev);
+
         kfree(veu_file);
 
         return 0;
@@ -1138,10 +1138,7 @@ static irqreturn_t sh_veu_isr(int irq, void *dev_id)
 
         veu->xaction++;
 
-        if (!veu->aborting)
-                return IRQ_WAKE_THREAD;
-
-        return IRQ_HANDLED;
+        return IRQ_WAKE_THREAD;
 }
 
 static int sh_veu_probe(struct platform_device *pdev)
diff --git a/drivers/media/platform/soc_camera/soc_camera.c b/drivers/media/platform/soc_camera/soc_camera.c
index eea832c5fd01..3a4efbdc7668 100644
--- a/drivers/media/platform/soc_camera/soc_camera.c
+++ b/drivers/media/platform/soc_camera/soc_camera.c
@@ -643,9 +643,9 @@ static int soc_camera_close(struct file *file)
 
                 if (ici->ops->init_videobuf2)
                         vb2_queue_release(&icd->vb2_vidq);
-                ici->ops->remove(icd);
-
                 __soc_camera_power_off(icd);
+
+                ici->ops->remove(icd);
         }
 
         if (icd->streamer == file)
diff --git a/drivers/media/radio/Kconfig b/drivers/media/radio/Kconfig
index c0beee2fa37c..d529ba788f41 100644
--- a/drivers/media/radio/Kconfig
+++ b/drivers/media/radio/Kconfig
@@ -22,6 +22,7 @@ config RADIO_SI476X
         tristate "Silicon Laboratories Si476x I2C FM Radio"
         depends on I2C && VIDEO_V4L2
         depends on MFD_SI476X_CORE
+        depends on SND_SOC
         select SND_SOC_SI476X
         ---help---
           Choose Y here if you have this FM radio chip.
diff --git a/drivers/media/radio/radio-si476x.c b/drivers/media/radio/radio-si476x.c
index 9430c6a29937..9dc8bafe6486 100644
--- a/drivers/media/radio/radio-si476x.c
+++ b/drivers/media/radio/radio-si476x.c
@@ -44,7 +44,7 @@
 
 #define FREQ_MUL (10000000 / 625)
 
-#define SI476X_PHDIV_STATUS_LINK_LOCKED(status) (0b10000000 & (status))
+#define SI476X_PHDIV_STATUS_LINK_LOCKED(status) (0x80 & (status))
 
 #define DRIVER_NAME "si476x-radio"
 #define DRIVER_CARD "SI476x AM/FM Receiver"
diff --git a/drivers/media/tuners/Kconfig b/drivers/media/tuners/Kconfig
index f6768cad001a..15665debc572 100644
--- a/drivers/media/tuners/Kconfig
+++ b/drivers/media/tuners/Kconfig
@@ -1,23 +1,3 @@
-config MEDIA_ATTACH
-        bool "Load and attach frontend and tuner driver modules as needed"
-        depends on MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_RADIO_SUPPORT
-        depends on MODULES
-        default y if !EXPERT
-        help
-          Remove the static dependency of DVB card drivers on all
-          frontend modules for all possible card variants. Instead,
-          allow the card drivers to only load the frontend modules
-          they require.
-
-          Also, tuner module will automatically load a tuner driver
-          when needed, for analog mode.
-
-          This saves several KBytes of memory.
-
-          Note: You will need module-init-tools v3.2 or later for this feature.
-
-          If unsure say Y.
-
 # Analog TV tuners, auto-loaded via tuner.ko
 config MEDIA_TUNER
         tristate
diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
index 22015fe1a0f3..2cc8ec70e3b6 100644
--- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
+++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
@@ -376,7 +376,7 @@ static int rtl2832u_read_config(struct dvb_usb_device *d)
         struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf};
         struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf};
         struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf};
-        struct rtl28xxu_req req_r820t = {0x0034, CMD_I2C_RD, 5, buf};
+        struct rtl28xxu_req req_r820t = {0x0034, CMD_I2C_RD, 1, buf};
 
         dev_dbg(&d->udev->dev, "%s:\n", __func__);
 
@@ -481,9 +481,9 @@ static int rtl2832u_read_config(struct dvb_usb_device *d)
                 goto found;
         }
 
-        /* check R820T by reading tuner stats at I2C addr 0x1a */
+        /* check R820T ID register; reg=00 val=69 */
         ret = rtl28xxu_ctrl_msg(d, &req_r820t);
-        if (ret == 0) {
+        if (ret == 0 && buf[0] == 0x69) {
                 priv->tuner = TUNER_RTL2832_R820T;
                 priv->tuner_name = "R820T";
                 goto found;
diff --git a/drivers/media/usb/gspca/sonixb.c b/drivers/media/usb/gspca/sonixb.c
index 3fe207e038c7..d7ff3b9687c5 100644
--- a/drivers/media/usb/gspca/sonixb.c
+++ b/drivers/media/usb/gspca/sonixb.c
@@ -1159,6 +1159,13 @@ static int sd_start(struct gspca_dev *gspca_dev)
                         regs[0x01] = 0x44; /* Select 24 Mhz clock */
                         regs[0x12] = 0x02; /* Set hstart to 2 */
                 }
+                break;
+        case SENSOR_PAS202:
+                /* For some unknown reason we need to increase hstart by 1 on
+                   the sn9c103, otherwise we get wrong colors (bayer shift). */
+                if (sd->bridge == BRIDGE_103)
+                        regs[0x12] += 1;
+                break;
         }
         /* Disable compression when the raw bayer format has been selected */
         if (cam->cam_mode[gspca_dev->curr_mode].priv & MODE_RAW)
diff --git a/drivers/media/usb/pwc/pwc.h b/drivers/media/usb/pwc/pwc.h
index 7a6a0d39c2c6..81b017a554bc 100644
--- a/drivers/media/usb/pwc/pwc.h
+++ b/drivers/media/usb/pwc/pwc.h
@@ -226,7 +226,7 @@ struct pwc_device
         struct list_head queued_bufs;
         spinlock_t queued_bufs_lock; /* Protects queued_bufs */
 
-        /* Note if taking both locks v4l2_lock must always be locked first! */
+        /* If taking both locks vb_queue_lock must always be locked first! */
         struct mutex v4l2_lock;      /* Protects everything else */
         struct mutex vb_queue_lock;  /* Protects vb_queue and capt_file */
 
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
index ebb8e48619a2..fccd08b66d1a 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -1835,6 +1835,8 @@ bool v4l2_ctrl_radio_filter(const struct v4l2_ctrl *ctrl)
 {
         if (V4L2_CTRL_ID2CLASS(ctrl->id) == V4L2_CTRL_CLASS_FM_TX)
                 return true;
+        if (V4L2_CTRL_ID2CLASS(ctrl->id) == V4L2_CTRL_CLASS_FM_RX)
+                return true;
         switch (ctrl->id) {
         case V4L2_CID_AUDIO_MUTE:
         case V4L2_CID_AUDIO_VOLUME:
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index f81bda1a48ec..7658586fe5f4 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -243,7 +243,6 @@ static void v4l_print_format(const void *arg, bool write_only)
         const struct v4l2_vbi_format *vbi;
         const struct v4l2_sliced_vbi_format *sliced;
         const struct v4l2_window *win;
-        const struct v4l2_clip *clip;
         unsigned i;
 
         pr_cont("type=%s", prt_names(p->type, v4l2_type_names));
@@ -253,7 +252,7 @@ static void v4l_print_format(const void *arg, bool write_only)
                 pix = &p->fmt.pix;
                 pr_cont(", width=%u, height=%u, "
                         "pixelformat=%c%c%c%c, field=%s, "
-                        "bytesperline=%u sizeimage=%u, colorspace=%d\n",
+                        "bytesperline=%u, sizeimage=%u, colorspace=%d\n",
                         pix->width, pix->height,
                         (pix->pixelformat & 0xff),
                         (pix->pixelformat >>  8) & 0xff,
@@ -284,20 +283,14 @@ static void v4l_print_format(const void *arg, bool write_only)
         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
         case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
                 win = &p->fmt.win;
-                pr_cont(", wxh=%dx%d, x,y=%d,%d, field=%s, "
-                        "chromakey=0x%08x, bitmap=%p, "
-                        "global_alpha=0x%02x\n",
-                        win->w.width, win->w.height,
-                        win->w.left, win->w.top,
+                /* Note: we can't print the clip list here since the clips
+                 * pointer is a userspace pointer, not a kernelspace
+                 * pointer. */
+                pr_cont(", wxh=%dx%d, x,y=%d,%d, field=%s, chromakey=0x%08x, clipcount=%u, clips=%p, bitmap=%p, global_alpha=0x%02x\n",
+                        win->w.width, win->w.height, win->w.left, win->w.top,
                         prt_names(win->field, v4l2_field_names),
-                        win->chromakey, win->bitmap, win->global_alpha);
-                clip = win->clips;
-                for (i = 0; i < win->clipcount; i++) {
-                        printk(KERN_DEBUG "clip %u: wxh=%dx%d, x,y=%d,%d\n",
-                                        i, clip->c.width, clip->c.height,
-                                        clip->c.left, clip->c.top);
-                        clip = clip->next;
-                }
+                        win->chromakey, win->clipcount, win->clips,
+                        win->bitmap, win->global_alpha);
                 break;
         case V4L2_BUF_TYPE_VBI_CAPTURE:
         case V4L2_BUF_TYPE_VBI_OUTPUT:
@@ -332,7 +325,7 @@ static void v4l_print_framebuffer(const void *arg, bool write_only)
 
         pr_cont("capability=0x%x, flags=0x%x, base=0x%p, width=%u, "
                 "height=%u, pixelformat=%c%c%c%c, "
-                "bytesperline=%u sizeimage=%u, colorspace=%d\n",
+                "bytesperline=%u, sizeimage=%u, colorspace=%d\n",
                         p->capability, p->flags, p->base,
                         p->fmt.width, p->fmt.height,
                         (p->fmt.pixelformat & 0xff),
@@ -353,7 +346,7 @@ static void v4l_print_modulator(const void *arg, bool write_only)
         const struct v4l2_modulator *p = arg;
 
         if (write_only)
-                pr_cont("index=%u, txsubchans=0x%x", p->index, p->txsubchans);
+                pr_cont("index=%u, txsubchans=0x%x\n", p->index, p->txsubchans);
         else
                 pr_cont("index=%u, name=%.*s, capability=0x%x, "
                         "rangelow=%u, rangehigh=%u, txsubchans=0x%x\n",
@@ -445,13 +438,13 @@ static void v4l_print_buffer(const void *arg, bool write_only)
                 for (i = 0; i < p->length; ++i) {
                         plane = &p->m.planes[i];
                         printk(KERN_DEBUG
-                                "plane %d: bytesused=%d, data_offset=0x%08x "
+                                "plane %d: bytesused=%d, data_offset=0x%08x, "
                                 "offset/userptr=0x%lx, length=%d\n",
                                 i, plane->bytesused, plane->data_offset,
                                 plane->m.userptr, plane->length);
                 }
         } else {
-                pr_cont("bytesused=%d, offset/userptr=0x%lx, length=%d\n",
+                pr_cont(", bytesused=%d, offset/userptr=0x%lx, length=%d\n",
                         p->bytesused, p->m.userptr, p->length);
         }
 
@@ -504,6 +497,8 @@ static void v4l_print_streamparm(const void *arg, bool write_only)
                         c->capability, c->outputmode,
                         c->timeperframe.numerator, c->timeperframe.denominator,
                         c->extendedmode, c->writebuffers);
+        } else {
+                pr_cont("\n");
         }
 }
 
@@ -734,11 +729,11 @@ static void v4l_print_frmsizeenum(const void *arg, bool write_only)
                         p->type);
         switch (p->type) {
         case V4L2_FRMSIZE_TYPE_DISCRETE:
-                pr_cont(" wxh=%ux%u\n",
+                pr_cont(", wxh=%ux%u\n",
                         p->discrete.width, p->discrete.height);
                 break;
         case V4L2_FRMSIZE_TYPE_STEPWISE:
-                pr_cont(" min=%ux%u, max=%ux%u, step=%ux%u\n",
+                pr_cont(", min=%ux%u, max=%ux%u, step=%ux%u\n",
                                 p->stepwise.min_width,  p->stepwise.min_height,
                                 p->stepwise.step_width, p->stepwise.step_height,
                                 p->stepwise.max_width,  p->stepwise.max_height);
@@ -764,12 +759,12 @@ static void v4l_print_frmivalenum(const void *arg, bool write_only)
                         p->width, p->height, p->type);
         switch (p->type) {
         case V4L2_FRMIVAL_TYPE_DISCRETE:
-                pr_cont(" fps=%d/%d\n",
+                pr_cont(", fps=%d/%d\n",
                                 p->discrete.numerator,
                                 p->discrete.denominator);
                 break;
         case V4L2_FRMIVAL_TYPE_STEPWISE:
-                pr_cont(" min=%d/%d, max=%d/%d, step=%d/%d\n",
+                pr_cont(", min=%d/%d, max=%d/%d, step=%d/%d\n",
                                 p->stepwise.min.numerator,
                                 p->stepwise.min.denominator,
                                 p->stepwise.max.numerator,
@@ -807,8 +802,8 @@ static void v4l_print_event(const void *arg, bool write_only)
                         pr_cont("value64=%lld, ", c->value64);
                 else
                         pr_cont("value=%d, ", c->value);
-                pr_cont("flags=0x%x, minimum=%d, maximum=%d, step=%d,"
-                                " default_value=%d\n",
+                pr_cont("flags=0x%x, minimum=%d, maximum=%d, step=%d, "
+                        "default_value=%d\n",
                         c->flags, c->minimum, c->maximum,
                         c->step, c->default_value);
                 break;
@@ -845,7 +840,7 @@ static void v4l_print_freq_band(const void *arg, bool write_only)
         const struct v4l2_frequency_band *p = arg;
 
         pr_cont("tuner=%u, type=%u, index=%u, capability=0x%x, "
-                        "rangelow=%u, rangehigh=%u, modulation=0x%x\n",
+                "rangelow=%u, rangehigh=%u, modulation=0x%x\n",
                         p->tuner, p->type, p->index,
                         p->capability, p->rangelow,
                         p->rangehigh, p->modulation);
diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c
index 66f599fcb829..e96497f7c3ed 100644
--- a/drivers/media/v4l2-core/v4l2-mem2mem.c
+++ b/drivers/media/v4l2-core/v4l2-mem2mem.c
@@ -205,7 +205,7 @@ static void v4l2_m2m_try_run(struct v4l2_m2m_dev *m2m_dev)
 static void v4l2_m2m_try_schedule(struct v4l2_m2m_ctx *m2m_ctx)
 {
         struct v4l2_m2m_dev *m2m_dev;
-        unsigned long flags_job, flags;
+        unsigned long flags_job, flags_out, flags_cap;
 
         m2m_dev = m2m_ctx->m2m_dev;
         dprintk("Trying to schedule a job for m2m_ctx: %p\n", m2m_ctx);
@@ -223,23 +223,26 @@ static void v4l2_m2m_try_schedule(struct v4l2_m2m_ctx *m2m_ctx)
                 return;
         }
 
-        spin_lock_irqsave(&m2m_ctx->out_q_ctx.rdy_spinlock, flags);
+        spin_lock_irqsave(&m2m_ctx->out_q_ctx.rdy_spinlock, flags_out);
         if (list_empty(&m2m_ctx->out_q_ctx.rdy_queue)) {
-                spin_unlock_irqrestore(&m2m_ctx->out_q_ctx.rdy_spinlock, flags);
+                spin_unlock_irqrestore(&m2m_ctx->out_q_ctx.rdy_spinlock,
+                                        flags_out);
                 spin_unlock_irqrestore(&m2m_dev->job_spinlock, flags_job);
                 dprintk("No input buffers available\n");
                 return;
         }
-        spin_lock_irqsave(&m2m_ctx->cap_q_ctx.rdy_spinlock, flags);
+        spin_lock_irqsave(&m2m_ctx->cap_q_ctx.rdy_spinlock, flags_cap);
         if (list_empty(&m2m_ctx->cap_q_ctx.rdy_queue)) {
-                spin_unlock_irqrestore(&m2m_ctx->cap_q_ctx.rdy_spinlock, flags);
-                spin_unlock_irqrestore(&m2m_ctx->out_q_ctx.rdy_spinlock, flags);
+                spin_unlock_irqrestore(&m2m_ctx->cap_q_ctx.rdy_spinlock,
+                                        flags_cap);
+                spin_unlock_irqrestore(&m2m_ctx->out_q_ctx.rdy_spinlock,
+                                        flags_out);
                 spin_unlock_irqrestore(&m2m_dev->job_spinlock, flags_job);
                 dprintk("No output buffers available\n");
                 return;
         }
-        spin_unlock_irqrestore(&m2m_ctx->cap_q_ctx.rdy_spinlock, flags);
-        spin_unlock_irqrestore(&m2m_ctx->out_q_ctx.rdy_spinlock, flags);
+        spin_unlock_irqrestore(&m2m_ctx->cap_q_ctx.rdy_spinlock, flags_cap);
+        spin_unlock_irqrestore(&m2m_ctx->out_q_ctx.rdy_spinlock, flags_out);
 
         if (m2m_dev->m2m_ops->job_ready
                 && (!m2m_dev->m2m_ops->job_ready(m2m_ctx->priv))) {
@@ -372,6 +375,20 @@ int v4l2_m2m_dqbuf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
 EXPORT_SYMBOL_GPL(v4l2_m2m_dqbuf);
 
 /**
+ * v4l2_m2m_create_bufs() - create a source or destination buffer, depending
+ * on the type
+ */
+int v4l2_m2m_create_bufs(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
+                         struct v4l2_create_buffers *create)
+{
+        struct vb2_queue *vq;
+
+        vq = v4l2_m2m_get_vq(m2m_ctx, create->format.type);
+        return vb2_create_bufs(vq, create);
+}
+EXPORT_SYMBOL_GPL(v4l2_m2m_create_bufs);
+
+/**
  * v4l2_m2m_expbuf() - export a source or destination buffer, depending on
  * the type
  */
@@ -486,8 +503,10 @@ unsigned int v4l2_m2m_poll(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
         if (m2m_ctx->m2m_dev->m2m_ops->unlock)
                 m2m_ctx->m2m_dev->m2m_ops->unlock(m2m_ctx->priv);
 
-        poll_wait(file, &src_q->done_wq, wait);
-        poll_wait(file, &dst_q->done_wq, wait);
+        if (list_empty(&src_q->done_list))
+                poll_wait(file, &src_q->done_wq, wait);
+        if (list_empty(&dst_q->done_list))
+                poll_wait(file, &dst_q->done_wq, wait);
 
         if (m2m_ctx->m2m_dev->m2m_ops->lock)
                 m2m_ctx->m2m_dev->m2m_ops->lock(m2m_ctx->priv);
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index 7d833eefaf4e..e3bdc3be91e1 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -2014,7 +2014,8 @@ unsigned int vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait)
         if (list_empty(&q->queued_list))
                 return res | POLLERR;
 
-        poll_wait(file, &q->done_wq, wait);
+        if (list_empty(&q->done_list))
+                poll_wait(file, &q->done_wq, wait);
 
         /*
          * Take first buffer available for dequeuing.
diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c
index 713d89fedc46..f580d30bb784 100644
--- a/drivers/misc/mei/init.c
+++ b/drivers/misc/mei/init.c
@@ -197,6 +197,8 @@ void mei_stop(struct mei_device *dev)
 {
         dev_dbg(&dev->pdev->dev, "stopping the device.\n");
 
+        flush_scheduled_work();
+
         mutex_lock(&dev->device_lock);
 
         cancel_delayed_work(&dev->timer_work);
@@ -210,8 +212,6 @@ void mei_stop(struct mei_device *dev)
 
         mutex_unlock(&dev->device_lock);
 
-        flush_scheduled_work();
-
         mei_watchdog_unregister(dev);
 }
 EXPORT_SYMBOL_GPL(mei_stop);
diff --git a/drivers/misc/mei/nfc.c b/drivers/misc/mei/nfc.c
index 3adf8a70f26e..d0c6907dfd92 100644
--- a/drivers/misc/mei/nfc.c
+++ b/drivers/misc/mei/nfc.c
@@ -142,6 +142,8 @@ static void mei_nfc_free(struct mei_nfc_dev *ndev)
                 mei_cl_unlink(ndev->cl_info);
                 kfree(ndev->cl_info);
         }
+
+        memset(ndev, 0, sizeof(struct mei_nfc_dev));
 }
 
 static int mei_nfc_build_bus_name(struct mei_nfc_dev *ndev)
diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
index a727464e9c3f..0f268329bd3a 100644
--- a/drivers/misc/mei/pci-me.c
+++ b/drivers/misc/mei/pci-me.c
@@ -325,6 +325,7 @@ static int mei_me_pci_resume(struct device *device)
 
         mutex_lock(&dev->device_lock);
         dev->dev_state = MEI_DEV_POWER_UP;
+        mei_clear_interrupts(dev);
         mei_reset(dev, 1);
         mutex_unlock(&dev->device_lock);
 
diff --git a/drivers/misc/sgi-gru/grufile.c b/drivers/misc/sgi-gru/grufile.c
index 44d273c5e19d..0535d1e0bc78 100644
--- a/drivers/misc/sgi-gru/grufile.c
+++ b/drivers/misc/sgi-gru/grufile.c
@@ -172,6 +172,7 @@ static long gru_get_config_info(unsigned long arg)
                 nodesperblade = 2;
         else
                 nodesperblade = 1;
+        memset(&info, 0, sizeof(info));
         info.cpus = num_online_cpus();
         info.nodes = num_online_nodes();
         info.blades = info.nodes / nodesperblade;
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index e75774f72606..aca59d93d5a9 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -2230,10 +2230,15 @@ static void __exit atmci_cleanup_slot(struct atmel_mci_slot *slot,
         mmc_free_host(slot->mmc);
 }
 
-static bool atmci_filter(struct dma_chan *chan, void *slave)
+static bool atmci_filter(struct dma_chan *chan, void *pdata)
 {
-        struct mci_dma_data     *sl = slave;
+        struct mci_platform_data *sl_pdata = pdata;
+        struct mci_dma_data *sl;
 
+        if (!sl_pdata)
+                return false;
+
+        sl = sl_pdata->dma_slave;
         if (sl && find_slave_dev(sl) == chan->device->dev) {
                 chan->private = slave_data_ptr(sl);
                 return true;
@@ -2245,24 +2250,18 @@ static bool atmci_filter(struct dma_chan *chan, void *slave)
 static bool atmci_configure_dma(struct atmel_mci *host)
 {
         struct mci_platform_data        *pdata;
+        dma_cap_mask_t mask;
 
         if (host == NULL)
                 return false;
 
         pdata = host->pdev->dev.platform_data;
 
-        if (!pdata)
-                return false;
+        dma_cap_zero(mask);
+        dma_cap_set(DMA_SLAVE, mask);
 
-        if (pdata->dma_slave && find_slave_dev(pdata->dma_slave)) {
-                dma_cap_mask_t mask;
-
-                /* Try to grab a DMA channel */
-                dma_cap_zero(mask);
-                dma_cap_set(DMA_SLAVE, mask);
-                host->dma.chan =
-                        dma_request_channel(mask, atmci_filter, pdata->dma_slave);
-        }
+        host->dma.chan = dma_request_slave_channel_compat(mask, atmci_filter, pdata,
+                                                          &host->pdev->dev, "rxtx");
         if (!host->dma.chan) {
                 dev_warn(&host->pdev->dev, "no DMA channel available\n");
                 return false;
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 6e44025acf01..eccedc7d06a4 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -161,6 +161,7 @@ struct omap_hsmmc_host {
          */
         struct  regulator       *vcc;
         struct  regulator       *vcc_aux;
+        int                     pbias_disable;
         void    __iomem         *base;
         resource_size_t         mapbase;
         spinlock_t              irq_lock; /* Prevent races with irq handler */
@@ -255,11 +256,11 @@ static int omap_hsmmc_set_power(struct device *dev, int slot, int power_on,
         if (!host->vcc)
                 return 0;
         /*
-         * With DT, never turn OFF the regulator. This is because
+         * With DT, never turn OFF the regulator for MMC1. This is because
          * the pbias cell programming support is still missing when
          * booting with Device tree
          */
-        if (dev->of_node && !vdd)
+        if (host->pbias_disable && !vdd)
                 return 0;
 
         if (mmc_slot(host).before_set_reg)
@@ -1520,10 +1521,10 @@ static void omap_hsmmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
                         (ios->vdd == DUAL_VOLT_OCR_BIT) &&
                         /*
                          * With pbias cell programming missing, this
-                         * can't be allowed when booting with device
+                         * can't be allowed on MMC1 when booting with device
                          * tree.
                          */
-                        !host->dev->of_node) {
+                        !host->pbias_disable) {
                                 /*
                                  * The mmc_select_voltage fn of the core does
                                  * not seem to set the power_mode to
@@ -1871,6 +1872,10 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
 
         omap_hsmmc_context_save(host);
 
+        /* This can be removed once we support PBIAS with DT */
+        if (host->dev->of_node && host->mapbase == 0x4809c000)
+                host->pbias_disable = 1;
+
         host->dbclk = clk_get(&pdev->dev, "mmchsdb_fck");
         /*
          * MMC can still work without debounce clock.
@@ -1906,33 +1911,41 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
 
         omap_hsmmc_conf_bus_power(host);
 
-        res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "tx");
-        if (!res) {
-                dev_err(mmc_dev(host->mmc), "cannot get DMA TX channel\n");
-                ret = -ENXIO;
-                goto err_irq;
-        }
-        tx_req = res->start;
+        if (!pdev->dev.of_node) {
+                res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "tx");
+                if (!res) {
+                        dev_err(mmc_dev(host->mmc), "cannot get DMA TX channel\n");
+                        ret = -ENXIO;
+                        goto err_irq;
+                }
+                tx_req = res->start;
 
-        res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "rx");
-        if (!res) {
-                dev_err(mmc_dev(host->mmc), "cannot get DMA RX channel\n");
-                ret = -ENXIO;
-                goto err_irq;
+                res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "rx");
+                if (!res) {
+                        dev_err(mmc_dev(host->mmc), "cannot get DMA RX channel\n");
+                        ret = -ENXIO;
+                        goto err_irq;
+                }
+                rx_req = res->start;
         }
-        rx_req = res->start;
 
         dma_cap_zero(mask);
         dma_cap_set(DMA_SLAVE, mask);
 
-        host->rx_chan = dma_request_channel(mask, omap_dma_filter_fn, &rx_req);
+        host->rx_chan =
+                dma_request_slave_channel_compat(mask, omap_dma_filter_fn,
+                                                 &rx_req, &pdev->dev, "rx");
+
         if (!host->rx_chan) {
                 dev_err(mmc_dev(host->mmc), "unable to obtain RX DMA engine channel %u\n", rx_req);
                 ret = -ENXIO;
                 goto err_irq;
         }
 
-        host->tx_chan = dma_request_channel(mask, omap_dma_filter_fn, &tx_req);
+        host->tx_chan =
+                dma_request_slave_channel_compat(mask, omap_dma_filter_fn,
+                                                 &tx_req, &pdev->dev, "tx");
+
         if (!host->tx_chan) {
                 dev_err(mmc_dev(host->mmc), "unable to obtain TX DMA engine channel %u\n", tx_req);
                 ret = -ENXIO;
diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
index 7bcf74b1a5cd..706d9cb1a49e 100644
--- a/drivers/mmc/host/sdhci-acpi.c
+++ b/drivers/mmc/host/sdhci-acpi.c
@@ -87,6 +87,12 @@ static const struct sdhci_ops sdhci_acpi_ops_dflt = {
         .enable_dma = sdhci_acpi_enable_dma,
 };
 
+static const struct sdhci_acpi_slot sdhci_acpi_slot_int_emmc = {
+        .caps    = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
+        .caps2   = MMC_CAP2_HC_ERASE_SZ,
+        .flags   = SDHCI_ACPI_RUNTIME_PM,
+};
+
 static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sdio = {
         .quirks2 = SDHCI_QUIRK2_HOST_OFF_CARD_ON,
         .caps    = MMC_CAP_NONREMOVABLE | MMC_CAP_POWER_OFF_CARD,
@@ -94,23 +100,67 @@ static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sdio = {
         .pm_caps = MMC_PM_KEEP_POWER,
 };
 
+static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sd = {
+};
+
+struct sdhci_acpi_uid_slot {
+        const char *hid;
+        const char *uid;
+        const struct sdhci_acpi_slot *slot;
+};
+
+static const struct sdhci_acpi_uid_slot sdhci_acpi_uids[] = {
+        { "80860F14" , "1" , &sdhci_acpi_slot_int_emmc },
+        { "80860F14" , "3" , &sdhci_acpi_slot_int_sd   },
+        { "INT33BB"  , "2" , &sdhci_acpi_slot_int_sdio },
+        { "INT33C6"  , NULL, &sdhci_acpi_slot_int_sdio },
+        { "PNP0D40"  },
+        { },
+};
+
 static const struct acpi_device_id sdhci_acpi_ids[] = {
-        { "INT33C6", (kernel_ulong_t)&sdhci_acpi_slot_int_sdio },
-        { "PNP0D40" },
+        { "80860F14" },
+        { "INT33BB"  },
+        { "INT33C6"  },
+        { "PNP0D40"  },
         { },
 };
 MODULE_DEVICE_TABLE(acpi, sdhci_acpi_ids);
 
-static const struct sdhci_acpi_slot *sdhci_acpi_get_slot(const char *hid)
+static const struct sdhci_acpi_slot *sdhci_acpi_get_slot_by_ids(const char *hid,
+                                                                const char *uid)
 {
-        const struct acpi_device_id *id;
-
-        for (id = sdhci_acpi_ids; id->id[0]; id++)
-                if (!strcmp(id->id, hid))
-                        return (const struct sdhci_acpi_slot *)id->driver_data;
+        const struct sdhci_acpi_uid_slot *u;
+
+        for (u = sdhci_acpi_uids; u->hid; u++) {
+                if (strcmp(u->hid, hid))
+                        continue;
+                if (!u->uid)
+                        return u->slot;
+                if (uid && !strcmp(u->uid, uid))
+                        return u->slot;
+        }
         return NULL;
 }
 
+static const struct sdhci_acpi_slot *sdhci_acpi_get_slot(acpi_handle handle,
+                                                         const char *hid)
+{
+        const struct sdhci_acpi_slot *slot;
+        struct acpi_device_info *info;
+        const char *uid = NULL;
+        acpi_status status;
+
+        status = acpi_get_object_info(handle, &info);
+        if (!ACPI_FAILURE(status) && (info->valid & ACPI_VALID_UID))
+                uid = info->unique_id.string;
+
+        slot = sdhci_acpi_get_slot_by_ids(hid, uid);
+
+        kfree(info);
+        return slot;
+}
+
 static int sdhci_acpi_probe(struct platform_device *pdev)
 {
         struct device *dev = &pdev->dev;
@@ -148,7 +198,7 @@ static int sdhci_acpi_probe(struct platform_device *pdev)
 
         c = sdhci_priv(host);
         c->host = host;
-        c->slot = sdhci_acpi_get_slot(hid);
+        c->slot = sdhci_acpi_get_slot(handle, hid);
         c->pdev = pdev;
         c->use_runtime_pm = sdhci_acpi_flag(c, SDHCI_ACPI_RUNTIME_PM);
 
@@ -202,6 +252,7 @@ static int sdhci_acpi_probe(struct platform_device *pdev)
                 goto err_free;
 
         if (c->use_runtime_pm) {
+                pm_runtime_set_active(dev);
                 pm_suspend_ignore_children(dev, 1);
                 pm_runtime_set_autosuspend_delay(dev, 50);
                 pm_runtime_use_autosuspend(dev);
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 67d6dde2ff19..d5f0d59e1310 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -85,6 +85,12 @@ struct pltfm_imx_data {
         struct clk *clk_ipg;
         struct clk *clk_ahb;
         struct clk *clk_per;
+        enum {
+                NO_CMD_PENDING,      /* no multiblock command pending*/
+                MULTIBLK_IN_PROCESS, /* exact multiblock cmd in process */
+                WAIT_FOR_INT,        /* sent CMD12, waiting for response INT */
+        } multiblock_status;
+
 };
 
 static struct platform_device_id imx_esdhc_devtype[] = {
@@ -154,6 +160,8 @@ static inline void esdhc_clrset_le(struct sdhci_host *host, u32 mask, u32 val, i
 
 static u32 esdhc_readl_le(struct sdhci_host *host, int reg)
 {
+        struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+        struct pltfm_imx_data *imx_data = pltfm_host->priv;
         u32 val = readl(host->ioaddr + reg);
 
         if (unlikely(reg == SDHCI_CAPABILITIES)) {
@@ -175,6 +183,18 @@ static u32 esdhc_readl_le(struct sdhci_host *host, int reg)
                         val &= ~ESDHC_INT_VENDOR_SPEC_DMA_ERR;
                         val |= SDHCI_INT_ADMA_ERROR;
                 }
+
+                /*
+                 * mask off the interrupt we get in response to the manually
+                 * sent CMD12
+                 */
+                if ((imx_data->multiblock_status == WAIT_FOR_INT) &&
+                    ((val & SDHCI_INT_RESPONSE) == SDHCI_INT_RESPONSE)) {
+                        val &= ~SDHCI_INT_RESPONSE;
+                        writel(SDHCI_INT_RESPONSE, host->ioaddr +
+                                                   SDHCI_INT_STATUS);
+                        imx_data->multiblock_status = NO_CMD_PENDING;
+                }
         }
 
         return val;
@@ -211,6 +231,15 @@ static void esdhc_writel_le(struct sdhci_host *host, u32 val, int reg)
                         v = readl(host->ioaddr + ESDHC_VENDOR_SPEC);
                         v &= ~ESDHC_VENDOR_SPEC_SDIO_QUIRK;
                         writel(v, host->ioaddr + ESDHC_VENDOR_SPEC);
+
+                        if (imx_data->multiblock_status == MULTIBLK_IN_PROCESS)
+                        {
+                                /* send a manual CMD12 with RESPTYP=none */
+                                data = MMC_STOP_TRANSMISSION << 24 |
+                                       SDHCI_CMD_ABORTCMD << 16;
+                                writel(data, host->ioaddr + SDHCI_TRANSFER_MODE);
+                                imx_data->multiblock_status = WAIT_FOR_INT;
+                        }
         }
 
         if (unlikely(reg == SDHCI_INT_ENABLE || reg == SDHCI_SIGNAL_ENABLE)) {
@@ -277,11 +306,13 @@ static void esdhc_writew_le(struct sdhci_host *host, u16 val, int reg)
                 }
                 return;
         case SDHCI_COMMAND:
-                if ((host->cmd->opcode == MMC_STOP_TRANSMISSION ||
-                     host->cmd->opcode == MMC_SET_BLOCK_COUNT) &&
-                    (imx_data->flags & ESDHC_FLAG_MULTIBLK_NO_INT))
+                if (host->cmd->opcode == MMC_STOP_TRANSMISSION)
                         val |= SDHCI_CMD_ABORTCMD;
 
+                if ((host->cmd->opcode == MMC_SET_BLOCK_COUNT) &&
+                    (imx_data->flags & ESDHC_FLAG_MULTIBLK_NO_INT))
+                        imx_data->multiblock_status = MULTIBLK_IN_PROCESS;
+
                 if (is_imx6q_usdhc(imx_data))
                         writel(val << 16,
                                host->ioaddr + SDHCI_TRANSFER_MODE);
@@ -324,8 +355,10 @@ static void esdhc_writeb_le(struct sdhci_host *host, u8 val, int reg)
                 /*
                  * Do not touch buswidth bits here. This is done in
                  * esdhc_pltfm_bus_width.
+                 * Do not touch the D3CD bit either which is used for the
+                 * SDIO interrupt errata workaround.
                  */
-                mask = 0xffff & ~ESDHC_CTRL_BUSWIDTH_MASK;
+                mask = 0xffff & ~(ESDHC_CTRL_BUSWIDTH_MASK | ESDHC_CTRL_D3CD);
 
                 esdhc_clrset_le(host, mask, new_val, reg);
                 return;
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index 0012d3fdc999..701d06d0e1fb 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -33,6 +33,9 @@
  */
 #define PCI_DEVICE_ID_INTEL_PCH_SDIO0   0x8809
 #define PCI_DEVICE_ID_INTEL_PCH_SDIO1   0x880a
+#define PCI_DEVICE_ID_INTEL_BYT_EMMC    0x0f14
+#define PCI_DEVICE_ID_INTEL_BYT_SDIO    0x0f15
+#define PCI_DEVICE_ID_INTEL_BYT_SD      0x0f16
 
 /*
  * PCI registers
@@ -304,6 +307,33 @@ static const struct sdhci_pci_fixes sdhci_intel_pch_sdio = {
         .probe_slot     = pch_hc_probe_slot,
 };
 
+static int byt_emmc_probe_slot(struct sdhci_pci_slot *slot)
+{
+        slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE;
+        slot->host->mmc->caps2 |= MMC_CAP2_HC_ERASE_SZ;
+        return 0;
+}
+
+static int byt_sdio_probe_slot(struct sdhci_pci_slot *slot)
+{
+        slot->host->mmc->caps |= MMC_CAP_POWER_OFF_CARD | MMC_CAP_NONREMOVABLE;
+        return 0;
+}
+
+static const struct sdhci_pci_fixes sdhci_intel_byt_emmc = {
+        .allow_runtime_pm = true,
+        .probe_slot     = byt_emmc_probe_slot,
+};
+
+static const struct sdhci_pci_fixes sdhci_intel_byt_sdio = {
+        .quirks2        = SDHCI_QUIRK2_HOST_OFF_CARD_ON,
+        .allow_runtime_pm = true,
+        .probe_slot     = byt_sdio_probe_slot,
+};
+
+static const struct sdhci_pci_fixes sdhci_intel_byt_sd = {
+};
+
 /* O2Micro extra registers */
 #define O2_SD_LOCK_WP           0xD3
 #define O2_SD_MULTI_VCC3V       0xEE
@@ -856,6 +886,30 @@ static const struct pci_device_id pci_ids[] = {
         },
 
         {
+                .vendor         = PCI_VENDOR_ID_INTEL,
+                .device         = PCI_DEVICE_ID_INTEL_BYT_EMMC,
+                .subvendor      = PCI_ANY_ID,
+                .subdevice      = PCI_ANY_ID,
+                .driver_data    = (kernel_ulong_t)&sdhci_intel_byt_emmc,
+        },
+
+        {
+                .vendor         = PCI_VENDOR_ID_INTEL,
+                .device         = PCI_DEVICE_ID_INTEL_BYT_SDIO,
+                .subvendor      = PCI_ANY_ID,
+                .subdevice      = PCI_ANY_ID,
+                .driver_data    = (kernel_ulong_t)&sdhci_intel_byt_sdio,
+        },
+
+        {
+                .vendor         = PCI_VENDOR_ID_INTEL,
+                .device         = PCI_DEVICE_ID_INTEL_BYT_SD,
+                .subvendor      = PCI_ANY_ID,
+                .subdevice      = PCI_ANY_ID,
+                .driver_data    = (kernel_ulong_t)&sdhci_intel_byt_sd,
+        },
+
+        {
                 .vendor         = PCI_VENDOR_ID_O2,
                 .device         = PCI_DEVICE_ID_O2_8120,
                 .subvendor      = PCI_ANY_ID,
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index fc58d118d844..390061d09693 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -2360,14 +2360,15 @@ int bond_3ad_set_carrier(struct bonding *bond)
 }
 
 /**
- * bond_3ad_get_active_agg_info - get information of the active aggregator
+ * __bond_3ad_get_active_agg_info - get information of the active aggregator
  * @bond: bonding struct to work on
  * @ad_info: ad_info struct to fill with the bond's info
  *
  * Returns:   0 on success
  *          < 0 on error
  */
-int bond_3ad_get_active_agg_info(struct bonding *bond, struct ad_info *ad_info)
+int __bond_3ad_get_active_agg_info(struct bonding *bond,
+                                   struct ad_info *ad_info)
 {
         struct aggregator *aggregator = NULL;
         struct port *port;
@@ -2391,6 +2392,18 @@ int bond_3ad_get_active_agg_info(struct bonding *bond, struct ad_info *ad_info)
         return -1;
 }
 
+/* Wrapper used to hold bond->lock so no slave manipulation can occur */
+int bond_3ad_get_active_agg_info(struct bonding *bond, struct ad_info *ad_info)
+{
+        int ret;
+
+        read_lock(&bond->lock);
+        ret = __bond_3ad_get_active_agg_info(bond, ad_info);
+        read_unlock(&bond->lock);
+
+        return ret;
+}
+
 int bond_3ad_xmit_xor(struct sk_buff *skb, struct net_device *dev)
 {
         struct slave *slave, *start_at;
@@ -2402,8 +2415,8 @@ int bond_3ad_xmit_xor(struct sk_buff *skb, struct net_device *dev)
         struct ad_info ad_info;
         int res = 1;
 
-        if (bond_3ad_get_active_agg_info(bond, &ad_info)) {
-                pr_debug("%s: Error: bond_3ad_get_active_agg_info failed\n",
+        if (__bond_3ad_get_active_agg_info(bond, &ad_info)) {
+                pr_debug("%s: Error: __bond_3ad_get_active_agg_info failed\n",
                          dev->name);
                 goto out;
         }
diff --git a/drivers/net/bonding/bond_3ad.h b/drivers/net/bonding/bond_3ad.h
index 0cfaa4afdece..5d91ad0cc041 100644
--- a/drivers/net/bonding/bond_3ad.h
+++ b/drivers/net/bonding/bond_3ad.h
@@ -273,6 +273,8 @@ void bond_3ad_adapter_speed_changed(struct slave *slave);
 void bond_3ad_adapter_duplex_changed(struct slave *slave);
 void bond_3ad_handle_link_change(struct slave *slave, char link);
 int  bond_3ad_get_active_agg_info(struct bonding *bond, struct ad_info *ad_info);
+int  __bond_3ad_get_active_agg_info(struct bonding *bond,
+                                    struct ad_info *ad_info);
 int bond_3ad_xmit_xor(struct sk_buff *skb, struct net_device *dev);
 int bond_3ad_lacpdu_recv(const struct sk_buff *skb, struct bonding *bond,
                          struct slave *slave);
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index d0aade04e49a..02d9ae7d527e 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -764,8 +764,8 @@ static void bond_resend_igmp_join_requests(struct bonding *bond)
         struct net_device *bond_dev, *vlan_dev, *upper_dev;
         struct vlan_entry *vlan;
 
-        rcu_read_lock();
         read_lock(&bond->lock);
+        rcu_read_lock();
 
         bond_dev = bond->dev;
 
@@ -787,12 +787,19 @@ static void bond_resend_igmp_join_requests(struct bonding *bond)
                 if (vlan_dev)
                         __bond_resend_igmp_join_requests(vlan_dev);
         }
+        rcu_read_unlock();
 
-        if (--bond->igmp_retrans > 0)
+        /* We use curr_slave_lock to protect against concurrent access to
+         * igmp_retrans from multiple running instances of this function and
+         * bond_change_active_slave
+         */
+        write_lock_bh(&bond->curr_slave_lock);
+        if (bond->igmp_retrans > 1) {
+                bond->igmp_retrans--;
                 queue_delayed_work(bond->wq, &bond->mcast_work, HZ/5);
-
+        }
+        write_unlock_bh(&bond->curr_slave_lock);
         read_unlock(&bond->lock);
-        rcu_read_unlock();
 }
 
 static void bond_resend_igmp_join_requests_delayed(struct work_struct *work)
@@ -1362,6 +1369,7 @@ static netdev_features_t bond_fix_features(struct net_device *dev,
                                                      slave->dev->features,
                                                      mask);
         }
+        features = netdev_add_tso_features(features, mask);
 
 out:
         read_unlock(&bond->lock);
@@ -1956,6 +1964,10 @@ err_free:
 
 err_undo_flags:
         bond_compute_features(bond);
+        /* Enslave of first slave has failed and we need to fix master's mac */
+        if (bond->slave_cnt == 0 &&
+            ether_addr_equal(bond_dev->dev_addr, slave_dev->dev_addr))
+                eth_hw_addr_random(bond_dev);
 
         return res;
 }
@@ -2555,8 +2567,8 @@ static void bond_arp_send(struct net_device *slave_dev, int arp_op, __be32 dest_
 {
         struct sk_buff *skb;
 
-        pr_debug("arp %d on slave %s: dst %x src %x vid %d\n", arp_op,
-                 slave_dev->name, dest_ip, src_ip, vlan_id);
+        pr_debug("arp %d on slave %s: dst %pI4 src %pI4 vid %d\n", arp_op,
+                 slave_dev->name, &dest_ip, &src_ip, vlan_id);
 
         skb = arp_create(arp_op, ETH_P_ARP, dest_ip, slave_dev, src_ip,
                          NULL, slave_dev->dev_addr, NULL);
@@ -2588,7 +2600,7 @@ static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
                 __be32 addr;
                 if (!targets[i])
                         break;
-                pr_debug("basa: target %x\n", targets[i]);
+                pr_debug("basa: target %pI4\n", &targets[i]);
                 if (!bond_vlan_used(bond)) {
                         pr_debug("basa: empty vlan: arp_send\n");
                         addr = bond_confirm_addr(bond->dev, targets[i], 0);
@@ -4470,7 +4482,7 @@ int bond_parse_parm(const char *buf, const struct bond_parm_tbl *tbl)
 
 static int bond_check_params(struct bond_params *params)
 {
-        int arp_validate_value, fail_over_mac_value, primary_reselect_value;
+        int arp_validate_value, fail_over_mac_value, primary_reselect_value, i;
 
         /*
          * Convert string parameters.
@@ -4650,19 +4662,18 @@ static int bond_check_params(struct bond_params *params)
                 arp_interval = BOND_LINK_ARP_INTERV;
         }
 
-        for (arp_ip_count = 0;
-             (arp_ip_count < BOND_MAX_ARP_TARGETS) && arp_ip_target[arp_ip_count];
-             arp_ip_count++) {
+        for (arp_ip_count = 0, i = 0;
+             (arp_ip_count < BOND_MAX_ARP_TARGETS) && arp_ip_target[i]; i++) {
                 /* not complete check, but should be good enough to
                    catch mistakes */
-                __be32 ip = in_aton(arp_ip_target[arp_ip_count]);
-                if (!isdigit(arp_ip_target[arp_ip_count][0]) ||
-                    ip == 0 || ip == htonl(INADDR_BROADCAST)) {
+                __be32 ip = in_aton(arp_ip_target[i]);
+                if (!isdigit(arp_ip_target[i][0]) || ip == 0 ||
+                    ip == htonl(INADDR_BROADCAST)) {
                         pr_warning("Warning: bad arp_ip_target module parameter (%s), ARP monitoring will not be performed\n",
-                                   arp_ip_target[arp_ip_count]);
+                                   arp_ip_target[i]);
                         arp_interval = 0;
                 } else {
-                        arp_target[arp_ip_count] = ip;
+                        arp_target[arp_ip_count++] = ip;
                 }
         }
 
@@ -4696,8 +4707,6 @@ static int bond_check_params(struct bond_params *params)
         if (miimon) {
                 pr_info("MII link monitoring set to %d ms\n", miimon);
         } else if (arp_interval) {
-                int i;
-
                 pr_info("ARP monitoring set to %d ms, validate %s, with %d target(s):",
                         arp_interval,
                         arp_validate_tbl[arp_validate_value].modename,
diff --git a/drivers/net/bonding/bond_procfs.c b/drivers/net/bonding/bond_procfs.c
index 94d06f1307b8..4060d41f0ee7 100644
--- a/drivers/net/bonding/bond_procfs.c
+++ b/drivers/net/bonding/bond_procfs.c
@@ -130,7 +130,7 @@ static void bond_info_show_master(struct seq_file *seq)
                 seq_printf(seq, "Aggregator selection policy (ad_select): %s\n",
                            ad_select_tbl[bond->params.ad_select].modename);
 
-                if (bond_3ad_get_active_agg_info(bond, &ad_info)) {
+                if (__bond_3ad_get_active_agg_info(bond, &ad_info)) {
                         seq_printf(seq, "bond %s has no active aggregator\n",
                                    bond->dev->name);
                 } else {
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index ea7a388f4843..d7434e0a610e 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -316,6 +316,9 @@ static ssize_t bonding_store_mode(struct device *d,
         int new_value, ret = count;
         struct bonding *bond = to_bond(d);
 
+        if (!rtnl_trylock())
+                return restart_syscall();
+
         if (bond->dev->flags & IFF_UP) {
                 pr_err("unable to update mode of %s because interface is up.\n",
                        bond->dev->name);
@@ -352,6 +355,7 @@ static ssize_t bonding_store_mode(struct device *d,
                 bond->dev->name, bond_mode_tbl[new_value].modename,
                 new_value);
 out:
+        rtnl_unlock();
         return ret;
 }
 static DEVICE_ATTR(mode, S_IRUGO | S_IWUSR,
@@ -1315,7 +1319,6 @@ static ssize_t bonding_show_mii_status(struct device *d,
 }
 static DEVICE_ATTR(mii_status, S_IRUGO, bonding_show_mii_status, NULL);
 
-
 /*
  * Show current 802.3ad aggregator ID.
  */
@@ -1329,7 +1332,7 @@ static ssize_t bonding_show_ad_aggregator(struct device *d,
         if (bond->params.mode == BOND_MODE_8023AD) {
                 struct ad_info ad_info;
                 count = sprintf(buf, "%d\n",
-                                (bond_3ad_get_active_agg_info(bond, &ad_info))
+                                bond_3ad_get_active_agg_info(bond, &ad_info)
                                 ?  0 : ad_info.aggregator_id);
         }
 
@@ -1351,7 +1354,7 @@ static ssize_t bonding_show_ad_num_ports(struct device *d,
         if (bond->params.mode == BOND_MODE_8023AD) {
                 struct ad_info ad_info;
                 count = sprintf(buf, "%d\n",
-                                (bond_3ad_get_active_agg_info(bond, &ad_info))
+                                bond_3ad_get_active_agg_info(bond, &ad_info)
                                 ?  0 : ad_info.ports);
         }
 
@@ -1373,7 +1376,7 @@ static ssize_t bonding_show_ad_actor_key(struct device *d,
         if (bond->params.mode == BOND_MODE_8023AD) {
                 struct ad_info ad_info;
                 count = sprintf(buf, "%d\n",
-                                (bond_3ad_get_active_agg_info(bond, &ad_info))
+                                bond_3ad_get_active_agg_info(bond, &ad_info)
                                 ?  0 : ad_info.actor_key);
         }
 
@@ -1395,7 +1398,7 @@ static ssize_t bonding_show_ad_partner_key(struct device *d,
         if (bond->params.mode == BOND_MODE_8023AD) {
                 struct ad_info ad_info;
                 count = sprintf(buf, "%d\n",
-                                (bond_3ad_get_active_agg_info(bond, &ad_info))
+                                bond_3ad_get_active_agg_info(bond, &ad_info)
                                 ?  0 : ad_info.partner_key);
         }
 
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 2baec24388b1..f989e1529a29 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -225,7 +225,7 @@ struct bonding {
         rwlock_t curr_slave_lock;
         u8       send_peer_notif;
         s8       setup_by_slave;
-        s8       igmp_retrans;
+        u8       igmp_retrans;
 #ifdef CONFIG_PROC_FS
         struct   proc_dir_entry *proc_entry;
         char     proc_file_name[IFNAMSIZ];
diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c
index 9b74d1e3ad44..6aa7b3266c80 100644
--- a/drivers/net/can/usb/esd_usb2.c
+++ b/drivers/net/can/usb/esd_usb2.c
@@ -612,9 +612,15 @@ static int esd_usb2_start(struct esd_usb2_net_priv *priv)
 {
         struct esd_usb2 *dev = priv->usb2;
         struct net_device *netdev = priv->netdev;
-        struct esd_usb2_msg msg;
+        struct esd_usb2_msg *msg;
         int err, i;
 
+        msg = kmalloc(sizeof(*msg), GFP_KERNEL);
+        if (!msg) {
+                err = -ENOMEM;
+                goto out;
+        }
+
         /*
          * Enable all IDs
          * The IDADD message takes up to 64 32 bit bitmasks (2048 bits).
@@ -628,33 +634,32 @@ static int esd_usb2_start(struct esd_usb2_net_priv *priv)
          * the number of the starting bitmask (0..64) to the filter.option
          * field followed by only some bitmasks.
          */
-        msg.msg.hdr.cmd = CMD_IDADD;
-        msg.msg.hdr.len = 2 + ESD_MAX_ID_SEGMENT;
-        msg.msg.filter.net = priv->index;
-        msg.msg.filter.option = ESD_ID_ENABLE; /* start with segment 0 */
+        msg->msg.hdr.cmd = CMD_IDADD;
+        msg->msg.hdr.len = 2 + ESD_MAX_ID_SEGMENT;
+        msg->msg.filter.net = priv->index;
+        msg->msg.filter.option = ESD_ID_ENABLE; /* start with segment 0 */
         for (i = 0; i < ESD_MAX_ID_SEGMENT; i++)
-                msg.msg.filter.mask[i] = cpu_to_le32(0xffffffff);
+                msg->msg.filter.mask[i] = cpu_to_le32(0xffffffff);
         /* enable 29bit extended IDs */
-        msg.msg.filter.mask[ESD_MAX_ID_SEGMENT] = cpu_to_le32(0x00000001);
+        msg->msg.filter.mask[ESD_MAX_ID_SEGMENT] = cpu_to_le32(0x00000001);
 
-        err = esd_usb2_send_msg(dev, &msg);
+        err = esd_usb2_send_msg(dev, msg);
         if (err)
-                goto failed;
+                goto out;
 
         err = esd_usb2_setup_rx_urbs(dev);
         if (err)
-                goto failed;
+                goto out;
 
         priv->can.state = CAN_STATE_ERROR_ACTIVE;
 
-        return 0;
-
-failed:
+out:
         if (err == -ENODEV)
                 netif_device_detach(netdev);
+        if (err)
+                netdev_err(netdev, "couldn't start device: %d\n", err);
 
-        netdev_err(netdev, "couldn't start device: %d\n", err);
-
+        kfree(msg);
         return err;
 }
 
@@ -833,26 +838,30 @@ nourbmem:
 static int esd_usb2_close(struct net_device *netdev)
 {
         struct esd_usb2_net_priv *priv = netdev_priv(netdev);
-        struct esd_usb2_msg msg;
+        struct esd_usb2_msg *msg;
         int i;
 
+        msg = kmalloc(sizeof(*msg), GFP_KERNEL);
+        if (!msg)
+                return -ENOMEM;
+
         /* Disable all IDs (see esd_usb2_start()) */
-        msg.msg.hdr.cmd = CMD_IDADD;
-        msg.msg.hdr.len = 2 + ESD_MAX_ID_SEGMENT;
-        msg.msg.filter.net = priv->index;
-        msg.msg.filter.option = ESD_ID_ENABLE; /* start with segment 0 */
+        msg->msg.hdr.cmd = CMD_IDADD;
+        msg->msg.hdr.len = 2 + ESD_MAX_ID_SEGMENT;
+        msg->msg.filter.net = priv->index;
+        msg->msg.filter.option = ESD_ID_ENABLE; /* start with segment 0 */
         for (i = 0; i <= ESD_MAX_ID_SEGMENT; i++)
-                msg.msg.filter.mask[i] = 0;
-        if (esd_usb2_send_msg(priv->usb2, &msg) < 0)
+                msg->msg.filter.mask[i] = 0;
+        if (esd_usb2_send_msg(priv->usb2, msg) < 0)
                 netdev_err(netdev, "sending idadd message failed\n");
 
         /* set CAN controller to reset mode */
-        msg.msg.hdr.len = 2;
-        msg.msg.hdr.cmd = CMD_SETBAUD;
-        msg.msg.setbaud.net = priv->index;
-        msg.msg.setbaud.rsvd = 0;
-        msg.msg.setbaud.baud = cpu_to_le32(ESD_USB2_NO_BAUDRATE);
-        if (esd_usb2_send_msg(priv->usb2, &msg) < 0)
+        msg->msg.hdr.len = 2;
+        msg->msg.hdr.cmd = CMD_SETBAUD;
+        msg->msg.setbaud.net = priv->index;
+        msg->msg.setbaud.rsvd = 0;
+        msg->msg.setbaud.baud = cpu_to_le32(ESD_USB2_NO_BAUDRATE);
+        if (esd_usb2_send_msg(priv->usb2, msg) < 0)
                 netdev_err(netdev, "sending setbaud message failed\n");
 
         priv->can.state = CAN_STATE_STOPPED;
@@ -861,6 +870,8 @@ static int esd_usb2_close(struct net_device *netdev)
 
         close_candev(netdev);
 
+        kfree(msg);
+
         return 0;
 }
 
@@ -886,7 +897,8 @@ static int esd_usb2_set_bittiming(struct net_device *netdev)
 {
         struct esd_usb2_net_priv *priv = netdev_priv(netdev);
         struct can_bittiming *bt = &priv->can.bittiming;
-        struct esd_usb2_msg msg;
+        struct esd_usb2_msg *msg;
+        int err;
         u32 canbtr;
         int sjw_shift;
 
@@ -912,15 +924,22 @@ static int esd_usb2_set_bittiming(struct net_device *netdev)
         if (priv->can.ctrlmode & CAN_CTRLMODE_3_SAMPLES)
                 canbtr |= ESD_USB2_3_SAMPLES;
 
-        msg.msg.hdr.len = 2;
-        msg.msg.hdr.cmd = CMD_SETBAUD;
-        msg.msg.setbaud.net = priv->index;
-        msg.msg.setbaud.rsvd = 0;
-        msg.msg.setbaud.baud = cpu_to_le32(canbtr);
+        msg = kmalloc(sizeof(*msg), GFP_KERNEL);
+        if (!msg)
+                return -ENOMEM;
+
+        msg->msg.hdr.len = 2;
+        msg->msg.hdr.cmd = CMD_SETBAUD;
+        msg->msg.setbaud.net = priv->index;
+        msg->msg.setbaud.rsvd = 0;
+        msg->msg.setbaud.baud = cpu_to_le32(canbtr);
 
         netdev_info(netdev, "setting BTR=%#x\n", canbtr);
 
-        return esd_usb2_send_msg(priv->usb2, &msg);
+        err = esd_usb2_send_msg(priv->usb2, msg);
+
+        kfree(msg);
+        return err;
 }
 
 static int esd_usb2_get_berr_counter(const struct net_device *netdev,
@@ -1022,7 +1041,7 @@ static int esd_usb2_probe(struct usb_interface *intf,
                          const struct usb_device_id *id)
 {
         struct esd_usb2 *dev;
-        struct esd_usb2_msg msg;
+        struct esd_usb2_msg *msg;
         int i, err;
 
         dev = kzalloc(sizeof(*dev), GFP_KERNEL);
@@ -1037,27 +1056,33 @@ static int esd_usb2_probe(struct usb_interface *intf,
 
         usb_set_intfdata(intf, dev);
 
+        msg = kmalloc(sizeof(*msg), GFP_KERNEL);
+        if (!msg) {
+                err = -ENOMEM;
+                goto free_msg;
+        }
+
         /* query number of CAN interfaces (nets) */
-        msg.msg.hdr.cmd = CMD_VERSION;
-        msg.msg.hdr.len = 2;
-        msg.msg.version.rsvd = 0;
-        msg.msg.version.flags = 0;
-        msg.msg.version.drv_version = 0;
+        msg->msg.hdr.cmd = CMD_VERSION;
+        msg->msg.hdr.len = 2;
+        msg->msg.version.rsvd = 0;
+        msg->msg.version.flags = 0;
+        msg->msg.version.drv_version = 0;
 
-        err = esd_usb2_send_msg(dev, &msg);
+        err = esd_usb2_send_msg(dev, msg);
         if (err < 0) {
                 dev_err(&intf->dev, "sending version message failed\n");
-                goto free_dev;
+                goto free_msg;
         }
 
-        err = esd_usb2_wait_msg(dev, &msg);
+        err = esd_usb2_wait_msg(dev, msg);
         if (err < 0) {
                 dev_err(&intf->dev, "no version message answer\n");
-                goto free_dev;
+                goto free_msg;
         }
 
-        dev->net_count = (int)msg.msg.version_reply.nets;
-        dev->version = le32_to_cpu(msg.msg.version_reply.version);
+        dev->net_count = (int)msg->msg.version_reply.nets;
+        dev->version = le32_to_cpu(msg->msg.version_reply.version);
 
         if (device_create_file(&intf->dev, &dev_attr_firmware))
                 dev_err(&intf->dev,
@@ -1075,10 +1100,10 @@ static int esd_usb2_probe(struct usb_interface *intf,
         for (i = 0; i < dev->net_count; i++)
                 esd_usb2_probe_one_net(intf, i);
 
-        return 0;
-
-free_dev:
-        kfree(dev);
+free_msg:
+        kfree(msg);
+        if (err)
+                kfree(dev);
 done:
         return err;
 }
diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c
index 45cb9f3c1324..3b9546588240 100644
--- a/drivers/net/can/usb/kvaser_usb.c
+++ b/drivers/net/can/usb/kvaser_usb.c
@@ -136,6 +136,9 @@
 #define KVASER_CTRL_MODE_SELFRECEPTION  3
 #define KVASER_CTRL_MODE_OFF            4
 
+/* log message */
+#define KVASER_EXTENDED_FRAME           BIT(31)
+
 struct kvaser_msg_simple {
         u8 tid;
         u8 channel;
@@ -817,8 +820,13 @@ static void kvaser_usb_rx_can_msg(const struct kvaser_usb *dev,
         priv = dev->nets[channel];
         stats = &priv->netdev->stats;
 
-        if (msg->u.rx_can.flag & (MSG_FLAG_ERROR_FRAME | MSG_FLAG_NERR |
-                                  MSG_FLAG_OVERRUN)) {
+        if ((msg->u.rx_can.flag & MSG_FLAG_ERROR_FRAME) &&
+            (msg->id == CMD_LOG_MESSAGE)) {
+                kvaser_usb_rx_error(dev, msg);
+                return;
+        } else if (msg->u.rx_can.flag & (MSG_FLAG_ERROR_FRAME |
+                                         MSG_FLAG_NERR |
+                                         MSG_FLAG_OVERRUN)) {
                 kvaser_usb_rx_can_err(priv, msg);
                 return;
         } else if (msg->u.rx_can.flag & ~MSG_FLAG_REMOTE_FRAME) {
@@ -834,22 +842,40 @@ static void kvaser_usb_rx_can_msg(const struct kvaser_usb *dev,
                 return;
         }
 
-        cf->can_id = ((msg->u.rx_can.msg[0] & 0x1f) << 6) |
-                     (msg->u.rx_can.msg[1] & 0x3f);
-        cf->can_dlc = get_can_dlc(msg->u.rx_can.msg[5]);
+        if (msg->id == CMD_LOG_MESSAGE) {
+                cf->can_id = le32_to_cpu(msg->u.log_message.id);
+                if (cf->can_id & KVASER_EXTENDED_FRAME)
+                        cf->can_id &= CAN_EFF_MASK | CAN_EFF_FLAG;
+                else
+                        cf->can_id &= CAN_SFF_MASK;
 
-        if (msg->id == CMD_RX_EXT_MESSAGE) {
-                cf->can_id <<= 18;
-                cf->can_id |= ((msg->u.rx_can.msg[2] & 0x0f) << 14) |
-                              ((msg->u.rx_can.msg[3] & 0xff) << 6) |
-                              (msg->u.rx_can.msg[4] & 0x3f);
-                cf->can_id |= CAN_EFF_FLAG;
-        }
+                cf->can_dlc = get_can_dlc(msg->u.log_message.dlc);
 
-        if (msg->u.rx_can.flag & MSG_FLAG_REMOTE_FRAME)
-                cf->can_id |= CAN_RTR_FLAG;
-        else
-                memcpy(cf->data, &msg->u.rx_can.msg[6], cf->can_dlc);
+                if (msg->u.log_message.flags & MSG_FLAG_REMOTE_FRAME)
+                        cf->can_id |= CAN_RTR_FLAG;
+                else
+                        memcpy(cf->data, &msg->u.log_message.data,
+                               cf->can_dlc);
+        } else {
+                cf->can_id = ((msg->u.rx_can.msg[0] & 0x1f) << 6) |
+                             (msg->u.rx_can.msg[1] & 0x3f);
+
+                if (msg->id == CMD_RX_EXT_MESSAGE) {
+                        cf->can_id <<= 18;
+                        cf->can_id |= ((msg->u.rx_can.msg[2] & 0x0f) << 14) |
+                                      ((msg->u.rx_can.msg[3] & 0xff) << 6) |
+                                      (msg->u.rx_can.msg[4] & 0x3f);
+                        cf->can_id |= CAN_EFF_FLAG;
+                }
+
+                cf->can_dlc = get_can_dlc(msg->u.rx_can.msg[5]);
+
+                if (msg->u.rx_can.flag & MSG_FLAG_REMOTE_FRAME)
+                        cf->can_id |= CAN_RTR_FLAG;
+                else
+                        memcpy(cf->data, &msg->u.rx_can.msg[6],
+                               cf->can_dlc);
+        }
 
         netif_rx(skb);
 
@@ -911,6 +937,7 @@ static void kvaser_usb_handle_message(const struct kvaser_usb *dev,
 
         case CMD_RX_STD_MESSAGE:
         case CMD_RX_EXT_MESSAGE:
+        case CMD_LOG_MESSAGE:
                 kvaser_usb_rx_can_msg(dev, msg);
                 break;
 
@@ -919,11 +946,6 @@ static void kvaser_usb_handle_message(const struct kvaser_usb *dev,
                 kvaser_usb_rx_error(dev, msg);
                 break;
 
-        case CMD_LOG_MESSAGE:
-                if (msg->u.log_message.flags & MSG_FLAG_ERROR_FRAME)
-                        kvaser_usb_rx_error(dev, msg);
-                break;
-
         case CMD_TX_ACKNOWLEDGE:
                 kvaser_usb_tx_acknowledge(dev, msg);
                 break;
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 30d79bfa5b10..8ee9d1556e6e 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
@@ -504,15 +504,24 @@ static int pcan_usb_pro_restart_async(struct peak_usb_device *dev,
         return usb_submit_urb(urb, GFP_ATOMIC);
 }
 
-static void pcan_usb_pro_drv_loaded(struct peak_usb_device *dev, int loaded)
+static int pcan_usb_pro_drv_loaded(struct peak_usb_device *dev, int loaded)
 {
-        u8 buffer[16];
+        u8 *buffer;
+        int err;
+
+        buffer = kmalloc(PCAN_USBPRO_FCT_DRVLD_REQ_LEN, GFP_KERNEL);
+        if (!buffer)
+                return -ENOMEM;
 
         buffer[0] = 0;
         buffer[1] = !!loaded;
 
-        pcan_usb_pro_send_req(dev, PCAN_USBPRO_REQ_FCT,
-                              PCAN_USBPRO_FCT_DRVLD, buffer, sizeof(buffer));
+        err = pcan_usb_pro_send_req(dev, PCAN_USBPRO_REQ_FCT,
+                                    PCAN_USBPRO_FCT_DRVLD, buffer,
+                                    PCAN_USBPRO_FCT_DRVLD_REQ_LEN);
+        kfree(buffer);
+
+        return err;
 }
 
 static inline
@@ -851,21 +860,24 @@ static int pcan_usb_pro_stop(struct peak_usb_device *dev)
  */
 static int pcan_usb_pro_init(struct peak_usb_device *dev)
 {
-        struct pcan_usb_pro_interface *usb_if;
         struct pcan_usb_pro_device *pdev =
                         container_of(dev, struct pcan_usb_pro_device, dev);
+        struct pcan_usb_pro_interface *usb_if = NULL;
+        struct pcan_usb_pro_fwinfo *fi = NULL;
+        struct pcan_usb_pro_blinfo *bi = NULL;
+        int err;
 
         /* do this for 1st channel only */
         if (!dev->prev_siblings) {
-                struct pcan_usb_pro_fwinfo fi;
-                struct pcan_usb_pro_blinfo bi;
-                int err;
-
                 /* allocate netdevices common structure attached to first one */
                 usb_if = kzalloc(sizeof(struct pcan_usb_pro_interface),
                                  GFP_KERNEL);
-                if (!usb_if)
-                        return -ENOMEM;
+                fi = kmalloc(sizeof(struct pcan_usb_pro_fwinfo), GFP_KERNEL);
+                bi = kmalloc(sizeof(struct pcan_usb_pro_blinfo), GFP_KERNEL);
+                if (!usb_if || !fi || !bi) {
+                        err = -ENOMEM;
+                        goto err_out;
+                }
 
                 /* number of ts msgs to ignore before taking one into account */
                 usb_if->cm_ignore_count = 5;
@@ -877,34 +889,34 @@ static int pcan_usb_pro_init(struct peak_usb_device *dev)
                  */
                 err = pcan_usb_pro_send_req(dev, PCAN_USBPRO_REQ_INFO,
                                             PCAN_USBPRO_INFO_FW,
-                                            &fi, sizeof(fi));
+                                            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);
-                        return err;
+                        goto err_out;
                 }
 
                 err = pcan_usb_pro_send_req(dev, PCAN_USBPRO_REQ_INFO,
                                             PCAN_USBPRO_INFO_BL,
-                                            &bi, sizeof(bi));
+                                            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);
-                        return err;
+                        goto err_out;
                 }
 
+                /* tell the device the can driver is running */
+                err = pcan_usb_pro_drv_loaded(dev, 1);
+                if (err)
+                        goto err_out;
+
                 dev_info(dev->netdev->dev.parent,
                      "PEAK-System %s hwrev %u serial %08X.%08X (%u channels)\n",
                      pcan_usb_pro.name,
-                     bi.hw_rev, bi.serial_num_hi, bi.serial_num_lo,
+                     bi->hw_rev, bi->serial_num_hi, bi->serial_num_lo,
                      pcan_usb_pro.ctrl_count);
-
-                /* tell the device the can driver is running */
-                pcan_usb_pro_drv_loaded(dev, 1);
         } else {
                 usb_if = pcan_usb_pro_dev_if(dev->prev_siblings);
         }
@@ -916,6 +928,13 @@ static int pcan_usb_pro_init(struct peak_usb_device *dev)
         pcan_usb_pro_set_led(dev, 0, 1);
 
         return 0;
+
+ err_out:
+        kfree(bi);
+        kfree(fi);
+        kfree(usb_if);
+
+        return err;
 }
 
 static void pcan_usb_pro_exit(struct peak_usb_device *dev)
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_pro.h b/drivers/net/can/usb/peak_usb/pcan_usb_pro.h
index a869918c5620..32275af547e0 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_pro.h
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_pro.h
@@ -29,6 +29,7 @@
 
 /* Vendor Request value for XXX_FCT */
 #define PCAN_USBPRO_FCT_DRVLD           5 /* tell device driver is loaded */
+#define PCAN_USBPRO_FCT_DRVLD_REQ_LEN   16
 
 /* PCAN_USBPRO_INFO_BL vendor request record type */
 struct __packed pcan_usb_pro_blinfo {
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index b8fbe266ab68..638e55435b04 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -3192,11 +3192,11 @@ static u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
                 rc |= XMIT_CSUM_TCP;
 
         if (skb_is_gso_v6(skb)) {
-                rc |= (XMIT_GSO_V6 | XMIT_CSUM_TCP | XMIT_CSUM_V6);
+                rc |= (XMIT_GSO_V6 | XMIT_CSUM_TCP);
                 if (rc & XMIT_CSUM_ENC)
                         rc |= XMIT_GSO_ENC_V6;
         } else if (skb_is_gso(skb)) {
-                rc |= (XMIT_GSO_V4 | XMIT_CSUM_V4 | XMIT_CSUM_TCP);
+                rc |= (XMIT_GSO_V4 | XMIT_CSUM_TCP);
                 if (rc & XMIT_CSUM_ENC)
                         rc |= XMIT_GSO_ENC_V4;
         }
@@ -3313,6 +3313,7 @@ static void bnx2x_set_pbd_gso_e2(struct sk_buff *skb, u32 *parsing_data,
  */
 static void bnx2x_set_pbd_gso(struct sk_buff *skb,
                               struct eth_tx_parse_bd_e1x *pbd,
+                              struct eth_tx_start_bd *tx_start_bd,
                               u32 xmit_type)
 {
         pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
@@ -3326,11 +3327,14 @@ static void bnx2x_set_pbd_gso(struct sk_buff *skb,
                                                    ip_hdr(skb)->daddr,
                                                    0, IPPROTO_TCP, 0));
 
-        } else
+                /* GSO on 57710/57711 needs FW to calculate IP checksum */
+                tx_start_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IP_CSUM;
+        } else {
                 pbd->tcp_pseudo_csum =
                         bswab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
                                                  &ipv6_hdr(skb)->daddr,
                                                  0, IPPROTO_TCP, 0));
+        }
 
         pbd->global_data |=
                 cpu_to_le16(ETH_TX_PARSE_BD_E1X_PSEUDO_CS_WITHOUT_LEN);
@@ -3479,19 +3483,18 @@ static void bnx2x_update_pbds_gso_enc(struct sk_buff *skb,
 {
         u16 hlen_w = 0;
         u8 outerip_off, outerip_len = 0;
+
         /* from outer IP to transport */
         hlen_w = (skb_inner_transport_header(skb) -
                   skb_network_header(skb)) >> 1;
 
         /* transport len */
-        if (xmit_type & XMIT_CSUM_TCP)
-                hlen_w += inner_tcp_hdrlen(skb) >> 1;
-        else
-                hlen_w += sizeof(struct udphdr) >> 1;
+        hlen_w += inner_tcp_hdrlen(skb) >> 1;
 
         pbd2->fw_ip_hdr_to_payload_w = hlen_w;
 
-        if (xmit_type & XMIT_CSUM_ENC_V4) {
+        /* outer IP header info */
+        if (xmit_type & XMIT_CSUM_V4) {
                 struct iphdr *iph = ip_hdr(skb);
                 pbd2->fw_ip_csum_wo_len_flags_frag =
                         bswab16(csum_fold((~iph->check) -
@@ -3814,7 +3817,7 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
                         bnx2x_set_pbd_gso_e2(skb, &pbd_e2_parsing_data,
                                              xmit_type);
                 else
-                        bnx2x_set_pbd_gso(skb, pbd_e1x, xmit_type);
+                        bnx2x_set_pbd_gso(skb, pbd_e1x, first_bd, xmit_type);
         }
 
         /* Set the PBD's parsing_data field if not zero
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 728d42ab2a76..c777b9013164 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -94,10 +94,10 @@ static inline void _tg3_flag_clear(enum TG3_FLAGS flag, unsigned long *bits)
 
 #define DRV_MODULE_NAME         "tg3"
 #define TG3_MAJ_NUM                     3
-#define TG3_MIN_NUM                     131
+#define TG3_MIN_NUM                     132
 #define DRV_MODULE_VERSION      \
         __stringify(TG3_MAJ_NUM) "." __stringify(TG3_MIN_NUM)
-#define DRV_MODULE_RELDATE      "April 09, 2013"
+#define DRV_MODULE_RELDATE      "May 21, 2013"
 
 #define RESET_KIND_SHUTDOWN     0
 #define RESET_KIND_INIT         1
@@ -1800,6 +1800,9 @@ static int tg3_poll_fw(struct tg3 *tp)
         int i;
         u32 val;
 
+        if (tg3_flag(tp, NO_FWARE_REPORTED))
+                return 0;
+
         if (tg3_flag(tp, IS_SSB_CORE)) {
                 /* We don't use firmware. */
                 return 0;
@@ -2957,6 +2960,31 @@ static int tg3_5700_link_polarity(struct tg3 *tp, u32 speed)
         return 0;
 }
 
+static bool tg3_phy_power_bug(struct tg3 *tp)
+{
+        switch (tg3_asic_rev(tp)) {
+        case ASIC_REV_5700:
+        case ASIC_REV_5704:
+                return true;
+        case ASIC_REV_5780:
+                if (tp->phy_flags & TG3_PHYFLG_MII_SERDES)
+                        return true;
+                return false;
+        case ASIC_REV_5717:
+                if (!tp->pci_fn)
+                        return true;
+                return false;
+        case ASIC_REV_5719:
+        case ASIC_REV_5720:
+                if ((tp->phy_flags & TG3_PHYFLG_PHY_SERDES) &&
+                    !tp->pci_fn)
+                        return true;
+                return false;
+        }
+
+        return false;
+}
+
 static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power)
 {
         u32 val;
@@ -3016,12 +3044,7 @@ static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power)
         /* The PHY should not be powered down on some chips because
          * of bugs.
          */
-        if (tg3_asic_rev(tp) == ASIC_REV_5700 ||
-            tg3_asic_rev(tp) == ASIC_REV_5704 ||
-            (tg3_asic_rev(tp) == ASIC_REV_5780 &&
-             (tp->phy_flags & TG3_PHYFLG_MII_SERDES)) ||
-            (tg3_asic_rev(tp) == ASIC_REV_5717 &&
-             !tp->pci_fn))
+        if (tg3_phy_power_bug(tp))
                 return;
 
         if (tg3_chip_rev(tp) == CHIPREV_5784_AX ||
@@ -7428,6 +7451,20 @@ static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
         return (base > 0xffffdcc0) && (base + len + 8 < base);
 }
 
+/* Test for TSO DMA buffers that cross into regions which are within MSS bytes
+ * of any 4GB boundaries: 4G, 8G, etc
+ */
+static inline int tg3_4g_tso_overflow_test(struct tg3 *tp, dma_addr_t mapping,
+                                           u32 len, u32 mss)
+{
+        if (tg3_asic_rev(tp) == ASIC_REV_5762 && mss) {
+                u32 base = (u32) mapping & 0xffffffff;
+
+                return ((base + len + (mss & 0x3fff)) < base);
+        }
+        return 0;
+}
+
 /* Test for DMA addresses > 40-bit */
 static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
                                           int len)
@@ -7464,6 +7501,9 @@ static bool tg3_tx_frag_set(struct tg3_napi *tnapi, u32 *entry, u32 *budget,
         if (tg3_4g_overflow_test(map, len))
                 hwbug = true;
 
+        if (tg3_4g_tso_overflow_test(tp, map, len, mss))
+                hwbug = true;
+
         if (tg3_40bit_overflow_test(tp, map, len))
                 hwbug = true;
 
@@ -8874,6 +8914,10 @@ static int tg3_chip_reset(struct tg3 *tp)
                 tg3_halt_cpu(tp, RX_CPU_BASE);
         }
 
+        err = tg3_poll_fw(tp);
+        if (err)
+                return err;
+
         tw32(GRC_MODE, tp->grc_mode);
 
         if (tg3_chip_rev_id(tp) == CHIPREV_ID_5705_A0) {
@@ -8904,10 +8948,6 @@ static int tg3_chip_reset(struct tg3 *tp)
 
         tg3_ape_unlock(tp, TG3_APE_LOCK_GRC);
 
-        err = tg3_poll_fw(tp);
-        if (err)
-                return err;
-
         tg3_mdio_start(tp);
 
         if (tg3_flag(tp, PCI_EXPRESS) &&
@@ -9431,6 +9471,14 @@ static void tg3_rss_write_indir_tbl(struct tg3 *tp)
         }
 }
 
+static inline u32 tg3_lso_rd_dma_workaround_bit(struct tg3 *tp)
+{
+        if (tg3_asic_rev(tp) == ASIC_REV_5719)
+                return TG3_LSO_RD_DMA_TX_LENGTH_WA_5719;
+        else
+                return TG3_LSO_RD_DMA_TX_LENGTH_WA_5720;
+}
+
 /* tp->lock is held. */
 static int tg3_reset_hw(struct tg3 *tp, bool reset_phy)
 {
@@ -10116,16 +10164,17 @@ static int tg3_reset_hw(struct tg3 *tp, bool reset_phy)
         tw32_f(RDMAC_MODE, rdmac_mode);
         udelay(40);
 
-        if (tg3_asic_rev(tp) == ASIC_REV_5719) {
+        if (tg3_asic_rev(tp) == ASIC_REV_5719 ||
+            tg3_asic_rev(tp) == ASIC_REV_5720) {
                 for (i = 0; i < TG3_NUM_RDMA_CHANNELS; i++) {
                         if (tr32(TG3_RDMA_LENGTH + (i << 2)) > TG3_MAX_MTU(tp))
                                 break;
                 }
                 if (i < TG3_NUM_RDMA_CHANNELS) {
                         val = tr32(TG3_LSO_RD_DMA_CRPTEN_CTRL);
-                        val |= TG3_LSO_RD_DMA_TX_LENGTH_WA;
+                        val |= tg3_lso_rd_dma_workaround_bit(tp);
                         tw32(TG3_LSO_RD_DMA_CRPTEN_CTRL, val);
-                        tg3_flag_set(tp, 5719_RDMA_BUG);
+                        tg3_flag_set(tp, 5719_5720_RDMA_BUG);
                 }
         }
 
@@ -10358,6 +10407,13 @@ static int tg3_reset_hw(struct tg3 *tp, bool reset_phy)
  */
 static int tg3_init_hw(struct tg3 *tp, bool reset_phy)
 {
+        /* Chip may have been just powered on. If so, the boot code may still
+         * be running initialization. Wait for it to finish to avoid races in
+         * accessing the hardware.
+         */
+        tg3_enable_register_access(tp);
+        tg3_poll_fw(tp);
+
         tg3_switch_clocks(tp);
 
         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
@@ -10489,15 +10545,15 @@ static void tg3_periodic_fetch_stats(struct tg3 *tp)
         TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
         TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
         TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
-        if (unlikely(tg3_flag(tp, 5719_RDMA_BUG) &&
+        if (unlikely(tg3_flag(tp, 5719_5720_RDMA_BUG) &&
                      (sp->tx_ucast_packets.low + sp->tx_mcast_packets.low +
                       sp->tx_bcast_packets.low) > TG3_NUM_RDMA_CHANNELS)) {
                 u32 val;
 
                 val = tr32(TG3_LSO_RD_DMA_CRPTEN_CTRL);
-                val &= ~TG3_LSO_RD_DMA_TX_LENGTH_WA;
+                val &= ~tg3_lso_rd_dma_workaround_bit(tp);
                 tw32(TG3_LSO_RD_DMA_CRPTEN_CTRL, val);
-                tg3_flag_clear(tp, 5719_RDMA_BUG);
+                tg3_flag_clear(tp, 5719_5720_RDMA_BUG);
         }
 
         TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h
index 9b2d3ac2474a..ff6e30eeae35 100644
--- a/drivers/net/ethernet/broadcom/tg3.h
+++ b/drivers/net/ethernet/broadcom/tg3.h
@@ -1422,7 +1422,8 @@
 #define TG3_LSO_RD_DMA_CRPTEN_CTRL      0x00004910
 #define TG3_LSO_RD_DMA_CRPTEN_CTRL_BLEN_BD_4K    0x00030000
 #define TG3_LSO_RD_DMA_CRPTEN_CTRL_BLEN_LSO_4K   0x000c0000
-#define TG3_LSO_RD_DMA_TX_LENGTH_WA      0x02000000
+#define TG3_LSO_RD_DMA_TX_LENGTH_WA_5719         0x02000000
+#define TG3_LSO_RD_DMA_TX_LENGTH_WA_5720         0x00200000
 /* 0x4914 --> 0x4be0 unused */
 
 #define TG3_NUM_RDMA_CHANNELS           4
@@ -3059,7 +3060,7 @@ enum TG3_FLAGS {
         TG3_FLAG_APE_HAS_NCSI,
         TG3_FLAG_TX_TSTAMP_EN,
         TG3_FLAG_4K_FIFO_LIMIT,
-        TG3_FLAG_5719_RDMA_BUG,
+        TG3_FLAG_5719_5720_RDMA_BUG,
         TG3_FLAG_RESET_TASK_PENDING,
         TG3_FLAG_PTP_CAPABLE,
         TG3_FLAG_5705_PLUS,
diff --git a/drivers/net/ethernet/brocade/bna/bnad_debugfs.c b/drivers/net/ethernet/brocade/bna/bnad_debugfs.c
index 6e8bc9d88c41..94d957d203a6 100644
--- a/drivers/net/ethernet/brocade/bna/bnad_debugfs.c
+++ b/drivers/net/ethernet/brocade/bna/bnad_debugfs.c
@@ -244,7 +244,7 @@ bnad_debugfs_lseek(struct file *file, loff_t offset, int orig)
                 file->f_pos += offset;
                 break;
         case 2:
-                file->f_pos = debug->buffer_len - offset;
+                file->f_pos = debug->buffer_len + offset;
                 break;
         default:
                 return -EINVAL;
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index 6be513deb17f..c89aa41dd448 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -485,7 +485,8 @@ static void macb_tx_interrupt(struct macb *bp)
         status = macb_readl(bp, TSR);
         macb_writel(bp, TSR, status);
 
-        macb_writel(bp, ISR, MACB_BIT(TCOMP));
+        if (bp->caps & MACB_CAPS_ISR_CLEAR_ON_WRITE)
+                macb_writel(bp, ISR, MACB_BIT(TCOMP));
 
         netdev_vdbg(bp->dev, "macb_tx_interrupt status = 0x%03lx\n",
                 (unsigned long)status);
@@ -738,7 +739,8 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id)
                          * now.
                          */
                         macb_writel(bp, IDR, MACB_RX_INT_FLAGS);
-                        macb_writel(bp, ISR, MACB_BIT(RCOMP));
+                        if (bp->caps & MACB_CAPS_ISR_CLEAR_ON_WRITE)
+                                macb_writel(bp, ISR, MACB_BIT(RCOMP));
 
                         if (napi_schedule_prep(&bp->napi)) {
                                 netdev_vdbg(bp->dev, "scheduling RX softirq\n");
@@ -1062,6 +1064,17 @@ static void macb_configure_dma(struct macb *bp)
         }
 }
 
+/*
+ * Configure peripheral capacities according to integration options used
+ */
+static void macb_configure_caps(struct macb *bp)
+{
+        if (macb_is_gem(bp)) {
+                if (GEM_BF(IRQCOR, gem_readl(bp, DCFG1)) == 0)
+                        bp->caps |= MACB_CAPS_ISR_CLEAR_ON_WRITE;
+        }
+}
+
 static void macb_init_hw(struct macb *bp)
 {
         u32 config;
@@ -1084,6 +1097,7 @@ static void macb_init_hw(struct macb *bp)
         bp->duplex = DUPLEX_HALF;
 
         macb_configure_dma(bp);
+        macb_configure_caps(bp);
 
         /* Initialize TX and RX buffers */
         macb_writel(bp, RBQP, bp->rx_ring_dma);
diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h
index 993d70380688..548c0ecae869 100644
--- a/drivers/net/ethernet/cadence/macb.h
+++ b/drivers/net/ethernet/cadence/macb.h
@@ -300,6 +300,8 @@
 #define MACB_REV_SIZE                           16
 
 /* Bitfields in DCFG1. */
+#define GEM_IRQCOR_OFFSET                       23
+#define GEM_IRQCOR_SIZE                         1
 #define GEM_DBWDEF_OFFSET                       25
 #define GEM_DBWDEF_SIZE                         3
 
@@ -323,6 +325,9 @@
 #define MACB_MAN_READ                           2
 #define MACB_MAN_CODE                           2
 
+/* Capability mask bits */
+#define MACB_CAPS_ISR_CLEAR_ON_WRITE            0x1
+
 /* Bit manipulation macros */
 #define MACB_BIT(name)                                  \
         (1 << MACB_##name##_OFFSET)
@@ -574,6 +579,8 @@ struct macb {
         unsigned int            speed;
         unsigned int            duplex;
 
+        u32                     caps;
+
         phy_interface_t         phy_interface;
 
         /* AT91RM9200 transmit */
diff --git a/drivers/net/ethernet/dec/tulip/interrupt.c b/drivers/net/ethernet/dec/tulip/interrupt.c
index 28a5e425fecf..92306b320840 100644
--- a/drivers/net/ethernet/dec/tulip/interrupt.c
+++ b/drivers/net/ethernet/dec/tulip/interrupt.c
@@ -76,6 +76,12 @@ int tulip_refill_rx(struct net_device *dev)
 
                         mapping = pci_map_single(tp->pdev, skb->data, PKT_BUF_SZ,
                                                  PCI_DMA_FROMDEVICE);
+                        if (dma_mapping_error(&tp->pdev->dev, mapping)) {
+                                dev_kfree_skb(skb);
+                                tp->rx_buffers[entry].skb = NULL;
+                                break;
+                        }
+
                         tp->rx_buffers[entry].mapping = mapping;
 
                         tp->rx_ring[entry].buffer1 = cpu_to_le32(mapping);
diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h
index f544b297c9ab..0a510684e468 100644
--- a/drivers/net/ethernet/emulex/benet/be.h
+++ b/drivers/net/ethernet/emulex/benet/be.h
@@ -262,6 +262,7 @@ struct be_rx_compl_info {
         u8 ipv6;
         u8 vtm;
         u8 pkt_type;
+        u8 ip_frag;
 };
 
 struct be_rx_obj {
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c
index fd7b547698ab..1db2df61b8af 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.c
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.c
@@ -562,7 +562,7 @@ int lancer_test_and_set_rdy_state(struct be_adapter *adapter)
 
         resource_error = lancer_provisioning_error(adapter);
         if (resource_error)
-                return -1;
+                return -EAGAIN;
 
         status = lancer_wait_ready(adapter);
         if (!status) {
@@ -590,8 +590,8 @@ int lancer_test_and_set_rdy_state(struct be_adapter *adapter)
          * when PF provisions resources.
          */
         resource_error = lancer_provisioning_error(adapter);
-        if (status == -1 && !resource_error)
-                adapter->eeh_error = true;
+        if (resource_error)
+                status = -EAGAIN;
 
         return status;
 }
@@ -2976,22 +2976,17 @@ static struct be_nic_resource_desc *be_get_nic_desc(u8 *buf, u32 desc_count,
         for (i = 0; i < desc_count; i++) {
                 desc->desc_len = desc->desc_len ? : RESOURCE_DESC_SIZE;
                 if (((void *)desc + desc->desc_len) >
-                    (void *)(buf + max_buf_size)) {
-                        desc = NULL;
-                        break;
-                }
+                    (void *)(buf + max_buf_size))
+                        return NULL;
 
                 if (desc->desc_type == NIC_RESOURCE_DESC_TYPE_V0 ||
                     desc->desc_type == NIC_RESOURCE_DESC_TYPE_V1)
-                        break;
+                        return desc;
 
                 desc = (void *)desc + desc->desc_len;
         }
 
-        if (!desc || i == MAX_RESOURCE_DESC)
-                return NULL;
-
-        return desc;
+        return NULL;
 }
 
 /* Uses Mbox */
diff --git a/drivers/net/ethernet/emulex/benet/be_hw.h b/drivers/net/ethernet/emulex/benet/be_hw.h
index 3c1099b47f2a..8780183c6d1c 100644
--- a/drivers/net/ethernet/emulex/benet/be_hw.h
+++ b/drivers/net/ethernet/emulex/benet/be_hw.h
@@ -356,7 +356,7 @@ struct amap_eth_rx_compl_v0 {
         u8 ip_version;          /* dword 1 */
         u8 macdst[6];           /* dword 1 */
         u8 vtp;                 /* dword 1 */
-        u8 rsvd0;               /* dword 1 */
+        u8 ip_frag;             /* dword 1 */
         u8 fragndx[10];         /* dword 1 */
         u8 ct[2];               /* dword 1 */
         u8 sw;                  /* dword 1 */
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index a444110b060f..a0b4be51f0d1 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -780,26 +780,18 @@ static struct sk_buff *be_insert_vlan_in_pkt(struct be_adapter *adapter,
         if (unlikely(!skb))
                 return skb;
 
-        if (vlan_tx_tag_present(skb)) {
+        if (vlan_tx_tag_present(skb))
                 vlan_tag = be_get_tx_vlan_tag(adapter, skb);
-                skb = __vlan_put_tag(skb, htons(ETH_P_8021Q), vlan_tag);
-                if (skb)
-                        skb->vlan_tci = 0;
-        }
-
-        if (qnq_async_evt_rcvd(adapter) && adapter->pvid) {
-                if (!vlan_tag)
-                        vlan_tag = adapter->pvid;
-                if (skip_hw_vlan)
-                        *skip_hw_vlan = true;
-        }
+        else if (qnq_async_evt_rcvd(adapter) && adapter->pvid)
+                vlan_tag = adapter->pvid;
 
         if (vlan_tag) {
                 skb = __vlan_put_tag(skb, htons(ETH_P_8021Q), vlan_tag);
                 if (unlikely(!skb))
                         return skb;
-
                 skb->vlan_tci = 0;
+                if (skip_hw_vlan)
+                        *skip_hw_vlan = true;
         }
 
         /* Insert the outer VLAN, if any */
@@ -1607,6 +1599,8 @@ static void be_parse_rx_compl_v0(struct be_eth_rx_compl *compl,
                                                compl);
         }
         rxcp->port = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, port, compl);
+        rxcp->ip_frag = AMAP_GET_BITS(struct amap_eth_rx_compl_v0,
+                                      ip_frag, compl);
 }
 
 static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo)
@@ -1628,6 +1622,9 @@ static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo)
         else
                 be_parse_rx_compl_v0(compl, rxcp);
 
+        if (rxcp->ip_frag)
+                rxcp->l4_csum = 0;
+
         if (rxcp->vlanf) {
                 /* vlanf could be wrongly set in some cards.
                  * ignore if vtm is not set */
@@ -2176,7 +2173,7 @@ static irqreturn_t be_msix(int irq, void *dev)
 
 static inline bool do_gro(struct be_rx_compl_info *rxcp)
 {
-        return (rxcp->tcpf && !rxcp->err) ? true : false;
+        return (rxcp->tcpf && !rxcp->err && rxcp->l4_csum) ? true : false;
 }
 
 static int be_process_rx(struct be_rx_obj *rxo, struct napi_struct *napi,
@@ -4101,6 +4098,7 @@ static int be_get_initial_config(struct be_adapter *adapter)
 
 static int lancer_recover_func(struct be_adapter *adapter)
 {
+        struct device *dev = &adapter->pdev->dev;
         int status;
 
         status = lancer_test_and_set_rdy_state(adapter);
@@ -4112,8 +4110,7 @@ static int lancer_recover_func(struct be_adapter *adapter)
 
         be_clear(adapter);
 
-        adapter->hw_error = false;
-        adapter->fw_timeout = false;
+        be_clear_all_error(adapter);
 
         status = be_setup(adapter);
         if (status)
@@ -4125,13 +4122,13 @@ static int lancer_recover_func(struct be_adapter *adapter)
                         goto err;
         }
 
-        dev_err(&adapter->pdev->dev,
-                "Adapter SLIPORT recovery succeeded\n");
+        dev_err(dev, "Error recovery successful\n");
         return 0;
 err:
-        if (adapter->eeh_error)
-                dev_err(&adapter->pdev->dev,
-                        "Adapter SLIPORT recovery failed\n");
+        if (status == -EAGAIN)
+                dev_err(dev, "Waiting for resource provisioning\n");
+        else
+                dev_err(dev, "Error recovery failed\n");
 
         return status;
 }
@@ -4140,28 +4137,27 @@ static void be_func_recovery_task(struct work_struct *work)
 {
         struct be_adapter *adapter =
                 container_of(work, struct be_adapter,  func_recovery_work.work);
-        int status;
+        int status = 0;
 
         be_detect_error(adapter);
 
         if (adapter->hw_error && lancer_chip(adapter)) {
 
-                if (adapter->eeh_error)
-                        goto out;
-
                 rtnl_lock();
                 netif_device_detach(adapter->netdev);
                 rtnl_unlock();
 
                 status = lancer_recover_func(adapter);
-
                 if (!status)
                         netif_device_attach(adapter->netdev);
         }
 
-out:
-        schedule_delayed_work(&adapter->func_recovery_work,
-                              msecs_to_jiffies(1000));
+        /* In Lancer, for all errors other than provisioning error (-EAGAIN),
+         * no need to attempt further recovery.
+         */
+        if (!status || status == -EAGAIN)
+                schedule_delayed_work(&adapter->func_recovery_work,
+                                      msecs_to_jiffies(1000));
 }
 
 static void be_worker(struct work_struct *work)
@@ -4266,6 +4262,9 @@ static int be_probe(struct pci_dev *pdev, const struct pci_device_id *pdev_id)
                 netdev->features |= NETIF_F_HIGHDMA;
         } else {
                 status = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
+                if (!status)
+                        status = dma_set_coherent_mask(&pdev->dev,
+                                                       DMA_BIT_MASK(32));
                 if (status) {
                         dev_err(&pdev->dev, "Could not set PCI DMA Mask\n");
                         goto free_netdev;
@@ -4444,20 +4443,19 @@ static pci_ers_result_t be_eeh_err_detected(struct pci_dev *pdev,
 
         dev_err(&adapter->pdev->dev, "EEH error detected\n");
 
-        adapter->eeh_error = true;
+        if (!adapter->eeh_error) {
+                adapter->eeh_error = true;
 
-        cancel_delayed_work_sync(&adapter->func_recovery_work);
+                cancel_delayed_work_sync(&adapter->func_recovery_work);
 
-        rtnl_lock();
-        netif_device_detach(netdev);
-        rtnl_unlock();
-
-        if (netif_running(netdev)) {
                 rtnl_lock();
-                be_close(netdev);
+                netif_device_detach(netdev);
+                if (netif_running(netdev))
+                        be_close(netdev);
                 rtnl_unlock();
+
+                be_clear(adapter);
         }
-        be_clear(adapter);
 
         if (state == pci_channel_io_perm_failure)
                 return PCI_ERS_RESULT_DISCONNECT;
@@ -4482,7 +4480,6 @@ static pci_ers_result_t be_eeh_reset(struct pci_dev *pdev)
         int status;
 
         dev_info(&adapter->pdev->dev, "EEH reset\n");
-        be_clear_all_error(adapter);
 
         status = pci_enable_device(pdev);
         if (status)
@@ -4500,6 +4497,7 @@ static pci_ers_result_t be_eeh_reset(struct pci_dev *pdev)
                 return PCI_ERS_RESULT_DISCONNECT;
 
         pci_cleanup_aer_uncorrect_error_status(pdev);
+        be_clear_all_error(adapter);
         return PCI_ERS_RESULT_RECOVERED;
 }
 
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index ca9825ca88c9..a667015be22a 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -109,7 +109,7 @@ static struct platform_device_id fec_devtype[] = {
                 .driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT |
                                 FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM,
         }, {
-                .name = "mvf-fec",
+                .name = "mvf600-fec",
                 .driver_data = FEC_QUIRK_ENET_MAC,
         }, {
                 /* sentinel */
@@ -122,7 +122,7 @@ enum imx_fec_type {
         IMX27_FEC,      /* runs on i.mx27/35/51 */
         IMX28_FEC,
         IMX6Q_FEC,
-        MVF_FEC,
+        MVF600_FEC,
 };
 
 static const struct of_device_id fec_dt_ids[] = {
@@ -130,7 +130,7 @@ static const struct of_device_id fec_dt_ids[] = {
         { .compatible = "fsl,imx27-fec", .data = &fec_devtype[IMX27_FEC], },
         { .compatible = "fsl,imx28-fec", .data = &fec_devtype[IMX28_FEC], },
         { .compatible = "fsl,imx6q-fec", .data = &fec_devtype[IMX6Q_FEC], },
-        { .compatible = "fsl,mvf-fec", .data = &fec_devtype[MVF_FEC], },
+        { .compatible = "fsl,mvf600-fec", .data = &fec_devtype[MVF600_FEC], },
         { /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, fec_dt_ids);
@@ -451,7 +451,7 @@ fec_restart(struct net_device *ndev, int duplex)
                 netif_device_detach(ndev);
                 napi_disable(&fep->napi);
                 netif_stop_queue(ndev);
-                netif_tx_lock(ndev);
+                netif_tx_lock_bh(ndev);
         }
 
         /* Whack a reset.  We should wait for this. */
@@ -616,10 +616,10 @@ fec_restart(struct net_device *ndev, int duplex)
         writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK);
 
         if (netif_running(ndev)) {
-                netif_device_attach(ndev);
-                napi_enable(&fep->napi);
+                netif_tx_unlock_bh(ndev);
                 netif_wake_queue(ndev);
-                netif_tx_unlock(ndev);
+                napi_enable(&fep->napi);
+                netif_device_attach(ndev);
         }
 }
 
@@ -1038,6 +1038,18 @@ static void fec_get_mac(struct net_device *ndev)
                 iap = &tmpaddr[0];
         }
 
+        /*
+         * 5) random mac address
+         */
+        if (!is_valid_ether_addr(iap)) {
+                /* Report it and use a random ethernet address instead */
+                netdev_err(ndev, "Invalid MAC address: %pM\n", iap);
+                eth_hw_addr_random(ndev);
+                netdev_info(ndev, "Using random MAC address: %pM\n",
+                            ndev->dev_addr);
+                return;
+        }
+
         memcpy(ndev->dev_addr, iap, ETH_ALEN);
 
         /* Adjust MAC if using macaddr */
diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c b/drivers/net/ethernet/freescale/gianfar_ptp.c
index 576e4b858fce..083ea2b4d20a 100644
--- a/drivers/net/ethernet/freescale/gianfar_ptp.c
+++ b/drivers/net/ethernet/freescale/gianfar_ptp.c
@@ -524,6 +524,7 @@ static int gianfar_ptp_probe(struct platform_device *dev)
         return 0;
 
 no_clock:
+        iounmap(etsects->regs);
 no_ioremap:
         release_resource(etsects->rsrc);
 no_resource:
diff --git a/drivers/net/ethernet/icplus/ipg.h b/drivers/net/ethernet/icplus/ipg.h
index 6ce027355fcf..abb300a31912 100644
--- a/drivers/net/ethernet/icplus/ipg.h
+++ b/drivers/net/ethernet/icplus/ipg.h
@@ -195,57 +195,57 @@ enum ipg_regs {
 /* TFD data structure masks. */
 
 /* TFDList, TFC */
-#define IPG_TFC_RSVD_MASK                       0x0000FFFF9FFFFFFF
-#define IPG_TFC_FRAMEID                         0x000000000000FFFF
-#define IPG_TFC_WORDALIGN                       0x0000000000030000
-#define IPG_TFC_WORDALIGNTODWORD                0x0000000000000000
-#define IPG_TFC_WORDALIGNTOWORD                 0x0000000000020000
-#define IPG_TFC_WORDALIGNDISABLED               0x0000000000030000
-#define IPG_TFC_TCPCHECKSUMENABLE               0x0000000000040000
-#define IPG_TFC_UDPCHECKSUMENABLE               0x0000000000080000
-#define IPG_TFC_IPCHECKSUMENABLE                0x0000000000100000
-#define IPG_TFC_FCSAPPENDDISABLE                0x0000000000200000
-#define IPG_TFC_TXINDICATE                      0x0000000000400000
-#define IPG_TFC_TXDMAINDICATE                   0x0000000000800000
-#define IPG_TFC_FRAGCOUNT                       0x000000000F000000
-#define IPG_TFC_VLANTAGINSERT                   0x0000000010000000
-#define IPG_TFC_TFDDONE                         0x0000000080000000
-#define IPG_TFC_VID                             0x00000FFF00000000
-#define IPG_TFC_CFI                             0x0000100000000000
-#define IPG_TFC_USERPRIORITY                    0x0000E00000000000
+#define IPG_TFC_RSVD_MASK                       0x0000FFFF9FFFFFFFULL
+#define IPG_TFC_FRAMEID                         0x000000000000FFFFULL
+#define IPG_TFC_WORDALIGN                       0x0000000000030000ULL
+#define IPG_TFC_WORDALIGNTODWORD                0x0000000000000000ULL
+#define IPG_TFC_WORDALIGNTOWORD                 0x0000000000020000ULL
+#define IPG_TFC_WORDALIGNDISABLED               0x0000000000030000ULL
+#define IPG_TFC_TCPCHECKSUMENABLE               0x0000000000040000ULL
+#define IPG_TFC_UDPCHECKSUMENABLE               0x0000000000080000ULL
+#define IPG_TFC_IPCHECKSUMENABLE                0x0000000000100000ULL
+#define IPG_TFC_FCSAPPENDDISABLE                0x0000000000200000ULL
+#define IPG_TFC_TXINDICATE                      0x0000000000400000ULL
+#define IPG_TFC_TXDMAINDICATE                   0x0000000000800000ULL
+#define IPG_TFC_FRAGCOUNT                       0x000000000F000000ULL
+#define IPG_TFC_VLANTAGINSERT                   0x0000000010000000ULL
+#define IPG_TFC_TFDDONE                         0x0000000080000000ULL
+#define IPG_TFC_VID                             0x00000FFF00000000ULL
+#define IPG_TFC_CFI                             0x0000100000000000ULL
+#define IPG_TFC_USERPRIORITY                    0x0000E00000000000ULL
 
 /* TFDList, FragInfo */
-#define IPG_TFI_RSVD_MASK                       0xFFFF00FFFFFFFFFF
-#define IPG_TFI_FRAGADDR                        0x000000FFFFFFFFFF
-#define IPG_TFI_FRAGLEN                         0xFFFF000000000000LL
+#define IPG_TFI_RSVD_MASK                       0xFFFF00FFFFFFFFFFULL
+#define IPG_TFI_FRAGADDR                        0x000000FFFFFFFFFFULL
+#define IPG_TFI_FRAGLEN                         0xFFFF000000000000ULL
 
 /* RFD data structure masks. */
 
 /* RFDList, RFS */
-#define IPG_RFS_RSVD_MASK                       0x0000FFFFFFFFFFFF
-#define IPG_RFS_RXFRAMELEN                      0x000000000000FFFF
-#define IPG_RFS_RXFIFOOVERRUN                   0x0000000000010000
-#define IPG_RFS_RXRUNTFRAME                     0x0000000000020000
-#define IPG_RFS_RXALIGNMENTERROR                0x0000000000040000
-#define IPG_RFS_RXFCSERROR                      0x0000000000080000
-#define IPG_RFS_RXOVERSIZEDFRAME                0x0000000000100000
-#define IPG_RFS_RXLENGTHERROR                   0x0000000000200000
-#define IPG_RFS_VLANDETECTED                    0x0000000000400000
-#define IPG_RFS_TCPDETECTED                     0x0000000000800000
-#define IPG_RFS_TCPERROR                        0x0000000001000000
-#define IPG_RFS_UDPDETECTED                     0x0000000002000000
-#define IPG_RFS_UDPERROR                        0x0000000004000000
-#define IPG_RFS_IPDETECTED                      0x0000000008000000
-#define IPG_RFS_IPERROR                         0x0000000010000000
-#define IPG_RFS_FRAMESTART                      0x0000000020000000
-#define IPG_RFS_FRAMEEND                        0x0000000040000000
-#define IPG_RFS_RFDDONE                         0x0000000080000000
-#define IPG_RFS_TCI                             0x0000FFFF00000000
+#define IPG_RFS_RSVD_MASK                       0x0000FFFFFFFFFFFFULL
+#define IPG_RFS_RXFRAMELEN                      0x000000000000FFFFULL
+#define IPG_RFS_RXFIFOOVERRUN                   0x0000000000010000ULL
+#define IPG_RFS_RXRUNTFRAME                     0x0000000000020000ULL
+#define IPG_RFS_RXALIGNMENTERROR                0x0000000000040000ULL
+#define IPG_RFS_RXFCSERROR                      0x0000000000080000ULL
+#define IPG_RFS_RXOVERSIZEDFRAME                0x0000000000100000ULL
+#define IPG_RFS_RXLENGTHERROR                   0x0000000000200000ULL
+#define IPG_RFS_VLANDETECTED                    0x0000000000400000ULL
+#define IPG_RFS_TCPDETECTED                     0x0000000000800000ULL
+#define IPG_RFS_TCPERROR                        0x0000000001000000ULL
+#define IPG_RFS_UDPDETECTED                     0x0000000002000000ULL
+#define IPG_RFS_UDPERROR                        0x0000000004000000ULL
+#define IPG_RFS_IPDETECTED                      0x0000000008000000ULL
+#define IPG_RFS_IPERROR                         0x0000000010000000ULL
+#define IPG_RFS_FRAMESTART                      0x0000000020000000ULL
+#define IPG_RFS_FRAMEEND                        0x0000000040000000ULL
+#define IPG_RFS_RFDDONE                         0x0000000080000000ULL
+#define IPG_RFS_TCI                             0x0000FFFF00000000ULL
 
 /* RFDList, FragInfo */
-#define IPG_RFI_RSVD_MASK                       0xFFFF00FFFFFFFFFF
-#define IPG_RFI_FRAGADDR                        0x000000FFFFFFFFFF
-#define IPG_RFI_FRAGLEN                         0xFFFF000000000000LL
+#define IPG_RFI_RSVD_MASK                       0xFFFF00FFFFFFFFFFULL
+#define IPG_RFI_FRAGADDR                        0x000000FFFFFFFFFFULL
+#define IPG_RFI_FRAGLEN                         0xFFFF000000000000ULL
 
 /* I/O Register masks. */
 
diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c
index d0afeea181fb..2ad1494efbb3 100644
--- a/drivers/net/ethernet/marvell/mv643xx_eth.c
+++ b/drivers/net/ethernet/marvell/mv643xx_eth.c
@@ -867,7 +867,7 @@ static int txq_reclaim(struct tx_queue *txq, int budget, int force)
         struct netdev_queue *nq = netdev_get_tx_queue(mp->dev, txq->index);
         int reclaimed;
 
-        __netif_tx_lock(nq, smp_processor_id());
+        __netif_tx_lock_bh(nq);
 
         reclaimed = 0;
         while (reclaimed < budget && txq->tx_desc_count > 0) {
@@ -913,7 +913,7 @@ static int txq_reclaim(struct tx_queue *txq, int budget, int force)
                 dev_kfree_skb(skb);
         }
 
-        __netif_tx_unlock(nq);
+        __netif_tx_unlock_bh(nq);
 
         if (reclaimed < budget)
                 mp->work_tx &= ~(1 << txq->index);
@@ -2745,7 +2745,7 @@ static int mv643xx_eth_probe(struct platform_device *pdev)
 
         INIT_WORK(&mp->tx_timeout_task, tx_timeout_task);
 
-        netif_napi_add(dev, &mp->napi, mv643xx_eth_poll, 128);
+        netif_napi_add(dev, &mp->napi, mv643xx_eth_poll, NAPI_POLL_WEIGHT);
 
         init_timer(&mp->rx_oom);
         mp->rx_oom.data = (unsigned long)mp;
diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c
index 1df56cc50ee9..0e572a527154 100644
--- a/drivers/net/ethernet/mellanox/mlx4/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c
@@ -222,8 +222,6 @@ static int mlx4_comm_cmd_poll(struct mlx4_dev *dev, u8 cmd, u16 param,
                  * FLR process. The only non-zero result in the RESET command
                  * is MLX4_DELAY_RESET_SLAVE*/
                 if ((MLX4_COMM_CMD_RESET == cmd)) {
-                        mlx4_warn(dev, "Got slave FLRed from Communication"
-                                  " channel (ret:0x%x)\n", ret_from_pending);
                         err = MLX4_DELAY_RESET_SLAVE;
                 } else {
                         mlx4_warn(dev, "Communication channel timed out\n");
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index b35f94700093..89c47ea84b50 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -1323,6 +1323,7 @@ static void mlx4_en_auto_moderation(struct mlx4_en_priv *priv)
                         priv->last_moder_time[ring] = moder_time;
                         cq = &priv->rx_cq[ring];
                         cq->moder_time = moder_time;
+                        cq->moder_cnt = priv->rx_frames;
                         err = mlx4_en_set_cq_moder(priv, cq);
                         if (err)
                                 en_err(priv, "Failed modifying moderation for cq:%d\n",
@@ -2118,6 +2119,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
         struct mlx4_en_priv *priv;
         int i;
         int err;
+        u64 mac_u64;
 
         dev = alloc_etherdev_mqs(sizeof(struct mlx4_en_priv),
                                  MAX_TX_RINGS, MAX_RX_RINGS);
@@ -2191,10 +2193,17 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
         dev->addr_len = ETH_ALEN;
         mlx4_en_u64_to_mac(dev->dev_addr, mdev->dev->caps.def_mac[priv->port]);
         if (!is_valid_ether_addr(dev->dev_addr)) {
-                en_err(priv, "Port: %d, invalid mac burned: %pM, quiting\n",
-                       priv->port, dev->dev_addr);
-                err = -EINVAL;
-                goto out;
+                if (mlx4_is_slave(priv->mdev->dev)) {
+                        eth_hw_addr_random(dev);
+                        en_warn(priv, "Assigned random MAC address %pM\n", dev->dev_addr);
+                        mac_u64 = mlx4_en_mac_to_u64(dev->dev_addr);
+                        mdev->dev->caps.def_mac[priv->port] = mac_u64;
+                } else {
+                        en_err(priv, "Port: %d, invalid mac burned: %pM, quiting\n",
+                               priv->port, dev->dev_addr);
+                        err = -EINVAL;
+                        goto out;
+                }
         }
 
         memcpy(priv->prev_mac, dev->dev_addr, sizeof(priv->prev_mac));
diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c
index 58a8e535d698..2c97901c6a6d 100644
--- a/drivers/net/ethernet/mellanox/mlx4/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx4/fw.c
@@ -840,12 +840,16 @@ int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
                            MLX4_CMD_NATIVE);
 
         if (!err && dev->caps.function != slave) {
-                /* set slave default_mac address */
-                MLX4_GET(def_mac, outbox->buf, QUERY_PORT_MAC_OFFSET);
-                def_mac += slave << 8;
                 /* if config MAC in DB use it */
                 if (priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac)
                         def_mac = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac;
+                else {
+                        /* set slave default_mac address */
+                        MLX4_GET(def_mac, outbox->buf, QUERY_PORT_MAC_OFFSET);
+                        def_mac += slave << 8;
+                        priv->mfunc.master.vf_admin[slave].vport[vhcr->in_modifier].mac = def_mac;
+                }
+
                 MLX4_PUT(outbox->buf, def_mac, QUERY_PORT_MAC_OFFSET);
 
                 /* get port type - currently only eth is enabled */
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 0d32a82458bf..2f4a26039e80 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -1290,7 +1290,6 @@ static int mlx4_init_slave(struct mlx4_dev *dev)
 {
         struct mlx4_priv *priv = mlx4_priv(dev);
         u64 dma = (u64) priv->mfunc.vhcr_dma;
-        int num_of_reset_retries = NUM_OF_RESET_RETRIES;
         int ret_from_reset = 0;
         u32 slave_read;
         u32 cmd_channel_ver;
@@ -1304,18 +1303,10 @@ static int mlx4_init_slave(struct mlx4_dev *dev)
          * NUM_OF_RESET_RETRIES times before leaving.*/
         if (ret_from_reset) {
                 if (MLX4_DELAY_RESET_SLAVE == ret_from_reset) {
-                        msleep(SLEEP_TIME_IN_RESET);
-                        while (ret_from_reset && num_of_reset_retries) {
-                                mlx4_warn(dev, "slave is currently in the"
-                                          "middle of FLR. retrying..."
-                                          "(try num:%d)\n",
-                                          (NUM_OF_RESET_RETRIES -
-                                           num_of_reset_retries  + 1));
-                                ret_from_reset =
-                                        mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET,
-                                                      0, MLX4_COMM_TIME);
-                                num_of_reset_retries = num_of_reset_retries - 1;
-                        }
+                        mlx4_warn(dev, "slave is currently in the "
+                                  "middle of FLR. Deferring probe.\n");
+                        mutex_unlock(&priv->cmd.slave_cmd_mutex);
+                        return -EPROBE_DEFER;
                 } else
                         goto err;
         }
@@ -1526,7 +1517,8 @@ static int mlx4_init_hca(struct mlx4_dev *dev)
         } else {
                 err = mlx4_init_slave(dev);
                 if (err) {
-                        mlx4_err(dev, "Failed to initialize slave\n");
+                        if (err != -EPROBE_DEFER)
+                                mlx4_err(dev, "Failed to initialize slave\n");
                         return err;
                 }
 
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
index 019c5f78732e..c1b693cb3df3 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
@@ -907,8 +907,11 @@ struct qlcnic_ipaddr {
 #define QLCNIC_FW_HANG                  0x4000
 #define QLCNIC_FW_LRO_MSS_CAP           0x8000
 #define QLCNIC_TX_INTR_SHARED           0x10000
+#define QLCNIC_APP_CHANGED_FLAGS        0x20000
 #define QLCNIC_IS_MSI_FAMILY(adapter) \
         ((adapter)->flags & (QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED))
+#define QLCNIC_IS_TSO_CAPABLE(adapter)  \
+        ((adapter)->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
 
 #define QLCNIC_DEF_NUM_STS_DESC_RINGS   4
 #define QLCNIC_MSIX_TBL_SPACE           8192
@@ -1034,6 +1037,7 @@ struct qlcnic_adapter {
         spinlock_t rx_mac_learn_lock;
         u32 file_prd_off;       /*File fw product offset*/
         u32 fw_version;
+        u32 offload_flags;
         const struct firmware *fw;
 };
 
@@ -1542,6 +1546,8 @@ void qlcnic_add_lb_filter(struct qlcnic_adapter *, struct sk_buff *, int, u16);
 int qlcnic_83xx_configure_opmode(struct qlcnic_adapter *adapter);
 int qlcnic_read_mac_addr(struct qlcnic_adapter *);
 int qlcnic_setup_netdev(struct qlcnic_adapter *, struct net_device *, int);
+void qlcnic_set_netdev_features(struct qlcnic_adapter *,
+                                struct qlcnic_esw_func_cfg *);
 void qlcnic_sriov_vf_schedule_multi(struct net_device *);
 void qlcnic_vf_add_mc_list(struct net_device *, u16);
 
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
index c67d1eb35e8f..5e7fb1dfb97b 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
@@ -382,8 +382,6 @@ static int qlcnic_83xx_idc_tx_soft_reset(struct qlcnic_adapter *adapter)
         clear_bit(__QLCNIC_RESETTING, &adapter->state);
         dev_err(&adapter->pdev->dev, "%s:\n", __func__);
 
-        adapter->netdev->trans_start = jiffies;
-
         return 0;
 }
 
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c
index 6a6512ba9f38..106a12f2a02f 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c
@@ -973,16 +973,57 @@ int qlcnic_change_mtu(struct net_device *netdev, int mtu)
         return rc;
 }
 
+static netdev_features_t qlcnic_process_flags(struct qlcnic_adapter *adapter,
+                                              netdev_features_t features)
+{
+        u32 offload_flags = adapter->offload_flags;
+
+        if (offload_flags & BIT_0) {
+                features |= NETIF_F_RXCSUM | NETIF_F_IP_CSUM |
+                            NETIF_F_IPV6_CSUM;
+                adapter->rx_csum = 1;
+                if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
+                        if (!(offload_flags & BIT_1))
+                                features &= ~NETIF_F_TSO;
+                        else
+                                features |= NETIF_F_TSO;
+
+                        if (!(offload_flags & BIT_2))
+                                features &= ~NETIF_F_TSO6;
+                        else
+                                features |= NETIF_F_TSO6;
+                }
+        } else {
+                features &= ~(NETIF_F_RXCSUM |
+                              NETIF_F_IP_CSUM |
+                              NETIF_F_IPV6_CSUM);
+
+                if (QLCNIC_IS_TSO_CAPABLE(adapter))
+                        features &= ~(NETIF_F_TSO | NETIF_F_TSO6);
+                adapter->rx_csum = 0;
+        }
+
+        return features;
+}
 
 netdev_features_t qlcnic_fix_features(struct net_device *netdev,
         netdev_features_t features)
 {
         struct qlcnic_adapter *adapter = netdev_priv(netdev);
+        netdev_features_t changed;
 
-        if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) &&
-            qlcnic_82xx_check(adapter)) {
-                netdev_features_t changed = features ^ netdev->features;
-                features ^= changed & (NETIF_F_ALL_CSUM | NETIF_F_RXCSUM);
+        if (qlcnic_82xx_check(adapter) &&
+            (adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
+                if (adapter->flags & QLCNIC_APP_CHANGED_FLAGS) {
+                        features = qlcnic_process_flags(adapter, features);
+                } else {
+                        changed = features ^ netdev->features;
+                        features ^= changed & (NETIF_F_RXCSUM |
+                                               NETIF_F_IP_CSUM |
+                                               NETIF_F_IPV6_CSUM |
+                                               NETIF_F_TSO |
+                                               NETIF_F_TSO6);
+                }
         }
 
         if (!(features & NETIF_F_RXCSUM))
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index 8fb836d4129f..aeb26a850679 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -84,14 +84,9 @@ static int qlcnic_start_firmware(struct qlcnic_adapter *);
 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
-static void qlcnic_set_netdev_features(struct qlcnic_adapter *,
-                                struct qlcnic_esw_func_cfg *);
 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
 
-#define QLCNIC_IS_TSO_CAPABLE(adapter)  \
-        ((adapter)->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
-
 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
 {
         struct qlcnic_hardware_context *ahw = adapter->ahw;
@@ -1074,8 +1069,6 @@ void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
 
         if (!esw_cfg->promisc_mode)
                 adapter->flags |= QLCNIC_PROMISC_DISABLED;
-
-        qlcnic_set_netdev_features(adapter, esw_cfg);
 }
 
 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
@@ -1090,51 +1083,23 @@ int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
                         return -EIO;
         qlcnic_set_vlan_config(adapter, &esw_cfg);
         qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
+        qlcnic_set_netdev_features(adapter, &esw_cfg);
 
         return 0;
 }
 
-static void
-qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
-                struct qlcnic_esw_func_cfg *esw_cfg)
+void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
+                                struct qlcnic_esw_func_cfg *esw_cfg)
 {
         struct net_device *netdev = adapter->netdev;
-        unsigned long features, vlan_features;
 
         if (qlcnic_83xx_check(adapter))
                 return;
 
-        features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
-                    NETIF_F_IPV6_CSUM | NETIF_F_GRO);
-        vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
-                        NETIF_F_IPV6_CSUM);
-
-        if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
-                features |= (NETIF_F_TSO | NETIF_F_TSO6);
-                vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
-        }
-
-        if (netdev->features & NETIF_F_LRO)
-                features |= NETIF_F_LRO;
-
-        if (esw_cfg->offload_flags & BIT_0) {
-                netdev->features |= features;
-                adapter->rx_csum = 1;
-                if (!(esw_cfg->offload_flags & BIT_1)) {
-                        netdev->features &= ~NETIF_F_TSO;
-                        features &= ~NETIF_F_TSO;
-                }
-                if (!(esw_cfg->offload_flags & BIT_2)) {
-                        netdev->features &= ~NETIF_F_TSO6;
-                        features &= ~NETIF_F_TSO6;
-                }
-        } else {
-                netdev->features &= ~features;
-                features &= ~features;
-                adapter->rx_csum = 0;
-        }
-
-        netdev->vlan_features = (features & vlan_features);
+        adapter->offload_flags = esw_cfg->offload_flags;
+        adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
+        netdev_update_features(netdev);
+        adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
 }
 
 static int
@@ -2016,8 +1981,10 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
         pci_enable_pcie_error_reporting(pdev);
 
         ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
-        if (!ahw)
+        if (!ahw) {
+                err = -ENOMEM;
                 goto err_out_free_res;
+        }
 
         switch (ent->device) {
         case PCI_DEVICE_ID_QLOGIC_QLE824X:
@@ -2053,6 +2020,7 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
         adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
         if (adapter->qlcnic_wq == NULL) {
+                err = -ENOMEM;
                 dev_err(&pdev->dev, "Failed to create workqueue\n");
                 goto err_out_free_netdev;
         }
@@ -2133,6 +2101,10 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                         goto err_out_disable_msi;
         }
 
+        err = qlcnic_get_act_pci_func(adapter);
+        if (err)
+                goto err_out_disable_mbx_intr;
+
         err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
         if (err)
                 goto err_out_disable_mbx_intr;
@@ -2162,9 +2134,6 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                 break;
         }
 
-        if (qlcnic_get_act_pci_func(adapter))
-                goto err_out_disable_mbx_intr;
-
         if (adapter->drv_mac_learn)
                 qlcnic_alloc_lb_filters_mem(adapter);
 
@@ -3149,10 +3118,8 @@ qlcnic_check_health(struct qlcnic_adapter *adapter)
                 if (adapter->need_fw_reset)
                         goto detach;
 
-                if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) {
+                if (adapter->ahw->reset_context && qlcnic_auto_fw_reset)
                         qlcnic_reset_hw_context(adapter);
-                        adapter->netdev->trans_start = jiffies;
-                }
 
                 return 0;
         }
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
index 3869c3864deb..196b2d100407 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
@@ -1734,7 +1734,6 @@ static int qlcnic_sriov_vf_handle_context_reset(struct qlcnic_adapter *adapter)
 
         if (!qlcnic_sriov_vf_reinit_driver(adapter)) {
                 qlcnic_sriov_vf_attach(adapter);
-                adapter->netdev->trans_start = jiffies;
                 adapter->tx_timeo_cnt = 0;
                 adapter->reset_ctx_cnt = 0;
                 adapter->fw_fail_cnt = 0;
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
index 4e22e794a186..e7a2fe21b649 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
@@ -544,6 +544,9 @@ static ssize_t qlcnic_sysfs_write_esw_config(struct file *file,
                 switch (esw_cfg[i].op_mode) {
                 case QLCNIC_PORT_DEFAULTS:
                         qlcnic_set_eswitch_port_features(adapter, &esw_cfg[i]);
+                        rtnl_lock();
+                        qlcnic_set_netdev_features(adapter, &esw_cfg[i]);
+                        rtnl_unlock();
                         break;
                 case QLCNIC_ADD_VLAN:
                         qlcnic_set_vlan_config(adapter, &esw_cfg[i]);
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
index 50235d201592..f87cc216045b 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c
+++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
@@ -4717,6 +4717,7 @@ static int qlge_probe(struct pci_dev *pdev,
                 dev_err(&pdev->dev, "net device registration failed.\n");
                 ql_release_all(pdev);
                 pci_disable_device(pdev);
+                free_netdev(ndev);
                 return err;
         }
         /* Start up the timer to trigger EEH if
diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c
index 7d1fb9ad1296..03523459c406 100644
--- a/drivers/net/ethernet/realtek/8139cp.c
+++ b/drivers/net/ethernet/realtek/8139cp.c
@@ -1136,6 +1136,7 @@ static void cp_clean_rings (struct cp_private *cp)
                         cp->dev->stats.tx_dropped++;
                 }
         }
+        netdev_reset_queue(cp->dev);
 
         memset(cp->rx_ring, 0, sizeof(struct cp_desc) * CP_RX_RING_SIZE);
         memset(cp->tx_ring, 0, sizeof(struct cp_desc) * CP_TX_RING_SIZE);
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 79c520b64fdd..393f961a013c 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -5856,7 +5856,20 @@ err_out:
         return -EIO;
 }
 
-static inline void rtl8169_tso_csum(struct rtl8169_private *tp,
+static bool rtl_skb_pad(struct sk_buff *skb)
+{
+        if (skb_padto(skb, ETH_ZLEN))
+                return false;
+        skb_put(skb, ETH_ZLEN - skb->len);
+        return true;
+}
+
+static bool rtl_test_hw_pad_bug(struct rtl8169_private *tp, struct sk_buff *skb)
+{
+        return skb->len < ETH_ZLEN && tp->mac_version == RTL_GIGA_MAC_VER_34;
+}
+
+static inline bool rtl8169_tso_csum(struct rtl8169_private *tp,
                                     struct sk_buff *skb, u32 *opts)
 {
         const struct rtl_tx_desc_info *info = tx_desc_info + tp->txd_version;
@@ -5869,13 +5882,20 @@ static inline void rtl8169_tso_csum(struct rtl8169_private *tp,
         } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
                 const struct iphdr *ip = ip_hdr(skb);
 
+                if (unlikely(rtl_test_hw_pad_bug(tp, skb)))
+                        return skb_checksum_help(skb) == 0 && rtl_skb_pad(skb);
+
                 if (ip->protocol == IPPROTO_TCP)
                         opts[offset] |= info->checksum.tcp;
                 else if (ip->protocol == IPPROTO_UDP)
                         opts[offset] |= info->checksum.udp;
                 else
                         WARN_ON_ONCE(1);
+        } else {
+                if (unlikely(rtl_test_hw_pad_bug(tp, skb)))
+                        return rtl_skb_pad(skb);
         }
+        return true;
 }
 
 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
@@ -5896,17 +5916,15 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
                 goto err_stop_0;
         }
 
-        /* 8168evl does not automatically pad to minimum length. */
-        if (unlikely(tp->mac_version == RTL_GIGA_MAC_VER_34 &&
-                     skb->len < ETH_ZLEN)) {
-                if (skb_padto(skb, ETH_ZLEN))
-                        goto err_update_stats;
-                skb_put(skb, ETH_ZLEN - skb->len);
-        }
-
         if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
                 goto err_stop_0;
 
+        opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(skb));
+        opts[0] = DescOwn;
+
+        if (!rtl8169_tso_csum(tp, skb, opts))
+                goto err_update_stats;
+
         len = skb_headlen(skb);
         mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE);
         if (unlikely(dma_mapping_error(d, mapping))) {
@@ -5918,11 +5936,6 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
         tp->tx_skb[entry].len = len;
         txd->addr = cpu_to_le64(mapping);
 
-        opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(skb));
-        opts[0] = DescOwn;
-
-        rtl8169_tso_csum(tp, skb, opts);
-
         frags = rtl8169_xmit_frags(tp, skb, opts);
         if (frags < 0)
                 goto err_dma_1;
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 42e9dd05c936..5e3982fc5398 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -897,8 +897,8 @@ static int sh_eth_check_reset(struct net_device *ndev)
                 mdelay(1);
                 cnt--;
         }
-        if (cnt < 0) {
-                pr_err("Device reset fail\n");
+        if (cnt <= 0) {
+                pr_err("Device reset failed\n");
                 ret = -ETIMEDOUT;
         }
         return ret;
@@ -1401,16 +1401,23 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status)
                 desc_status = edmac_to_cpu(mdp, rxdesc->status);
                 pkt_len = rxdesc->frame_length;
 
-#if defined(CONFIG_ARCH_R8A7740)
-                desc_status >>= 16;
-#endif
-
                 if (--boguscnt < 0)
                         break;
 
                 if (!(desc_status & RDFEND))
                         ndev->stats.rx_length_errors++;
 
+#if defined(CONFIG_ARCH_R8A7740)
+                /*
+                 * In case of almost all GETHER/ETHERs, the Receive Frame State
+                 * (RFS) bits in the Receive Descriptor 0 are from bit 9 to
+                 * bit 0. However, in case of the R8A7740's GETHER, the RFS
+                 * bits are from bit 25 to bit 16. So, the driver needs right
+                 * shifting by 16.
+                 */
+                desc_status >>= 16;
+#endif
+
                 if (desc_status & (RD_RFS1 | RD_RFS2 | RD_RFS3 | RD_RFS4 |
                                    RD_RFS5 | RD_RFS6 | RD_RFS10)) {
                         ndev->stats.rx_errors++;
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index 01b99206139a..39e4cb39de29 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -638,14 +638,16 @@ static void efx_start_datapath(struct efx_nic *efx)
                            EFX_MAX_FRAME_LEN(efx->net_dev->mtu) +
                            efx->type->rx_buffer_padding);
         rx_buf_len = (sizeof(struct efx_rx_page_state) +
-                      EFX_PAGE_IP_ALIGN + efx->rx_dma_len);
+                      NET_IP_ALIGN + efx->rx_dma_len);
         if (rx_buf_len <= PAGE_SIZE) {
                 efx->rx_scatter = false;
                 efx->rx_buffer_order = 0;
         } else if (efx->type->can_rx_scatter) {
+                BUILD_BUG_ON(EFX_RX_USR_BUF_SIZE % L1_CACHE_BYTES);
                 BUILD_BUG_ON(sizeof(struct efx_rx_page_state) +
-                             EFX_PAGE_IP_ALIGN + EFX_RX_USR_BUF_SIZE >
-                             PAGE_SIZE / 2);
+                             2 * ALIGN(NET_IP_ALIGN + EFX_RX_USR_BUF_SIZE,
+                                       EFX_RX_BUF_ALIGNMENT) >
+                             PAGE_SIZE);
                 efx->rx_scatter = true;
                 efx->rx_dma_len = EFX_RX_USR_BUF_SIZE;
                 efx->rx_buffer_order = 0;
diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h
index 9bd433a095c5..39d6bd77f015 100644
--- a/drivers/net/ethernet/sfc/net_driver.h
+++ b/drivers/net/ethernet/sfc/net_driver.h
@@ -72,8 +72,20 @@
 /* Maximum possible MTU the driver supports */
 #define EFX_MAX_MTU (9 * 1024)
 
-/* Size of an RX scatter buffer.  Small enough to pack 2 into a 4K page. */
-#define EFX_RX_USR_BUF_SIZE 1824
+/* Size of an RX scatter buffer.  Small enough to pack 2 into a 4K page,
+ * and should be a multiple of the cache line size.
+ */
+#define EFX_RX_USR_BUF_SIZE     (2048 - 256)
+
+/* If possible, we should ensure cache line alignment at start and end
+ * of every buffer.  Otherwise, we just need to ensure 4-byte
+ * alignment of the network header.
+ */
+#if NET_IP_ALIGN == 0
+#define EFX_RX_BUF_ALIGNMENT    L1_CACHE_BYTES
+#else
+#define EFX_RX_BUF_ALIGNMENT    4
+#endif
 
 /* Forward declare Precision Time Protocol (PTP) support structure. */
 struct efx_ptp_data;
@@ -468,24 +480,11 @@ enum nic_state {
 };
 
 /*
- * Alignment of page-allocated RX buffers
- *
- * Controls the number of bytes inserted at the start of an RX buffer.
- * This is the equivalent of NET_IP_ALIGN [which controls the alignment
- * of the skb->head for hardware DMA].
- */
-#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
-#define EFX_PAGE_IP_ALIGN 0
-#else
-#define EFX_PAGE_IP_ALIGN NET_IP_ALIGN
-#endif
-
-/*
  * Alignment of the skb->head which wraps a page-allocated RX buffer
  *
  * The skb allocated to wrap an rx_buffer can have this alignment. Since
  * the data is memcpy'd from the rx_buf, it does not need to be equal to
- * EFX_PAGE_IP_ALIGN.
+ * NET_IP_ALIGN.
  */
 #define EFX_PAGE_SKB_ALIGN 2
 
diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c
index e73e30bac10e..a7dfe36cabf4 100644
--- a/drivers/net/ethernet/sfc/rx.c
+++ b/drivers/net/ethernet/sfc/rx.c
@@ -93,8 +93,8 @@ static inline void efx_sync_rx_buffer(struct efx_nic *efx,
 
 void efx_rx_config_page_split(struct efx_nic *efx)
 {
-        efx->rx_page_buf_step = ALIGN(efx->rx_dma_len + EFX_PAGE_IP_ALIGN,
-                                      L1_CACHE_BYTES);
+        efx->rx_page_buf_step = ALIGN(efx->rx_dma_len + NET_IP_ALIGN,
+                                      EFX_RX_BUF_ALIGNMENT);
         efx->rx_bufs_per_page = efx->rx_buffer_order ? 1 :
                 ((PAGE_SIZE - sizeof(struct efx_rx_page_state)) /
                  efx->rx_page_buf_step);
@@ -188,9 +188,9 @@ static int efx_init_rx_buffers(struct efx_rx_queue *rx_queue)
                 do {
                         index = rx_queue->added_count & rx_queue->ptr_mask;
                         rx_buf = efx_rx_buffer(rx_queue, index);
-                        rx_buf->dma_addr = dma_addr + EFX_PAGE_IP_ALIGN;
+                        rx_buf->dma_addr = dma_addr + NET_IP_ALIGN;
                         rx_buf->page = page;
-                        rx_buf->page_offset = page_offset + EFX_PAGE_IP_ALIGN;
+                        rx_buf->page_offset = page_offset + NET_IP_ALIGN;
                         rx_buf->len = efx->rx_dma_len;
                         rx_buf->flags = 0;
                         ++rx_queue->added_count;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 618446ae1ec1..ee919ca8b8a0 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1899,7 +1899,7 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
 
 #ifdef STMMAC_XMIT_DEBUG
         if (netif_msg_pktdata(priv)) {
-                pr_info("%s: curr %d dirty=%d entry=%d, first=%p, nfrags=%d"
+                pr_info("%s: curr %d dirty=%d entry=%d, first=%p, nfrags=%d",
                         __func__, (priv->cur_tx % txsize),
                         (priv->dirty_tx % txsize), entry, first, nfrags);
                 if (priv->extend_desc)
diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c
index 12aec173564c..c47f0dbcebb5 100644
--- a/drivers/net/ethernet/ti/davinci_mdio.c
+++ b/drivers/net/ethernet/ti/davinci_mdio.c
@@ -449,10 +449,9 @@ static int davinci_mdio_suspend(struct device *dev)
         __raw_writel(ctrl, &data->regs->control);
         wait_for_idle(data);
 
-        pm_runtime_put_sync(data->dev);
-
         data->suspended = true;
         spin_unlock(&data->lock);
+        pm_runtime_put_sync(data->dev);
 
         return 0;
 }
@@ -460,15 +459,12 @@ static int davinci_mdio_suspend(struct device *dev)
 static int davinci_mdio_resume(struct device *dev)
 {
         struct davinci_mdio_data *data = dev_get_drvdata(dev);
-        u32 ctrl;
 
-        spin_lock(&data->lock);
         pm_runtime_get_sync(data->dev);
 
+        spin_lock(&data->lock);
         /* restart the scan state machine */
-        ctrl = __raw_readl(&data->regs->control);
-        ctrl |= CONTROL_ENABLE;
-        __raw_writel(ctrl, &data->regs->control);
+        __davinci_mdio_reset(data);
 
         data->suspended = false;
         spin_unlock(&data->lock);
@@ -477,8 +473,8 @@ static int davinci_mdio_resume(struct device *dev)
 }
 
 static const struct dev_pm_ops davinci_mdio_pm_ops = {
-        .suspend        = davinci_mdio_suspend,
-        .resume         = davinci_mdio_resume,
+        .suspend_late   = davinci_mdio_suspend,
+        .resume_early   = davinci_mdio_resume,
 };
 
 static const struct of_device_id davinci_mdio_of_mtable[] = {
diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
index 919b983114e9..b7268b3dae77 100644
--- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c
+++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
@@ -946,7 +946,8 @@ static int xemaclite_open(struct net_device *dev)
                 phy_write(lp->phy_dev, MII_CTRL1000, 0);
 
                 /* Advertise only 10 and 100mbps full/half duplex speeds */
-                phy_write(lp->phy_dev, MII_ADVERTISE, ADVERTISE_ALL);
+                phy_write(lp->phy_dev, MII_ADVERTISE, ADVERTISE_ALL |
+                          ADVERTISE_CSMA);
 
                 /* Restart auto negotiation */
                 bmcr = phy_read(lp->phy_dev, MII_BMCR);
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 088c55496191..ab2307b5d9a7 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -31,6 +31,7 @@
 #include <linux/inetdevice.h>
 #include <linux/etherdevice.h>
 #include <linux/skbuff.h>
+#include <linux/if_vlan.h>
 #include <linux/in.h>
 #include <linux/slab.h>
 #include <net/arp.h>
@@ -284,7 +285,7 @@ int netvsc_recv_callback(struct hv_device *device_obj,
 
         skb->protocol = eth_type_trans(skb, net);
         skb->ip_summed = CHECKSUM_NONE;
-        skb->vlan_tci = packet->vlan_tci;
+        __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), packet->vlan_tci);
 
         net->stats.rx_packets++;
         net->stats.rx_bytes += packet->total_data_buflen;
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 1c502bb0c916..6e91931a1c2c 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -853,18 +853,24 @@ static int macvlan_changelink(struct net_device *dev,
                 struct nlattr *tb[], struct nlattr *data[])
 {
         struct macvlan_dev *vlan = netdev_priv(dev);
-        if (data && data[IFLA_MACVLAN_MODE])
-                vlan->mode = nla_get_u32(data[IFLA_MACVLAN_MODE]);
+
         if (data && data[IFLA_MACVLAN_FLAGS]) {
                 __u16 flags = nla_get_u16(data[IFLA_MACVLAN_FLAGS]);
                 bool promisc = (flags ^ vlan->flags) & MACVLAN_FLAG_NOPROMISC;
-
-                if (promisc && (flags & MACVLAN_FLAG_NOPROMISC))
-                        dev_set_promiscuity(vlan->lowerdev, -1);
-                else if (promisc && !(flags & MACVLAN_FLAG_NOPROMISC))
-                        dev_set_promiscuity(vlan->lowerdev, 1);
+                if (vlan->port->passthru && promisc) {
+                        int err;
+
+                        if (flags & MACVLAN_FLAG_NOPROMISC)
+                                err = dev_set_promiscuity(vlan->lowerdev, -1);
+                        else
+                                err = dev_set_promiscuity(vlan->lowerdev, 1);
+                        if (err < 0)
+                                return err;
+                }
                 vlan->flags = flags;
         }
+        if (data && data[IFLA_MACVLAN_MODE])
+                vlan->mode = nla_get_u32(data[IFLA_MACVLAN_MODE]);
         return 0;
 }
 
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index c14f14741b3f..38f0b312ff85 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -1044,7 +1044,7 @@ int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable)
                 adv = mmd_eee_adv_to_ethtool_adv_t(eee_adv);
                 lp = mmd_eee_adv_to_ethtool_adv_t(eee_lp);
                 idx = phy_find_setting(phydev->speed, phydev->duplex);
-                if ((lp & adv & settings[idx].setting))
+                if (!(lp & adv & settings[idx].setting))
                         goto eee_exit;
 
                 if (clk_stop_enable) {
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 7c43261975bd..b3051052f3ad 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -1092,8 +1092,8 @@ static int team_port_add(struct team *team, struct net_device *port_dev)
         }
 
         port->index = -1;
-        team_port_enable(team, port);
         list_add_tail_rcu(&port->list, &team->port_list);
+        team_port_enable(team, port);
         __team_compute_features(team);
         __team_port_change_port_added(port, !!netif_carrier_ok(port_dev));
         __team_options_change_check(team);
@@ -2374,7 +2374,8 @@ static int team_nl_send_port_list_get(struct team *team, u32 portid, u32 seq,
         bool incomplete;
         int i;
 
-        port = list_first_entry(&team->port_list, struct team_port, list);
+        port = list_first_entry_or_null(&team->port_list,
+                                        struct team_port, list);
 
 start_again:
         err = __send_and_alloc_skb(&skb, team, portid, send_func);
@@ -2402,8 +2403,8 @@ start_again:
                 err = team_nl_fill_one_port_get(skb, one_port);
                 if (err)
                         goto errout;
-        } else {
-                list_for_each_entry(port, &team->port_list, list) {
+        } else if (port) {
+                list_for_each_entry_from(port, &team->port_list, list) {
                         err = team_nl_fill_one_port_get(skb, port);
                         if (err) {
                                 if (err == -EMSGSIZE) {
diff --git a/drivers/net/team/team_mode_random.c b/drivers/net/team/team_mode_random.c
index 5ca14d463ba7..7f032e211343 100644
--- a/drivers/net/team/team_mode_random.c
+++ b/drivers/net/team/team_mode_random.c
@@ -28,6 +28,8 @@ static bool rnd_transmit(struct team *team, struct sk_buff *skb)
 
         port_index = random_N(team->en_port_count);
         port = team_get_port_by_index_rcu(team, port_index);
+        if (unlikely(!port))
+                goto drop;
         port = team_get_first_port_txable_rcu(team, port);
         if (unlikely(!port))
                 goto drop;
diff --git a/drivers/net/team/team_mode_roundrobin.c b/drivers/net/team/team_mode_roundrobin.c
index d268e4de781b..472623f8ce3d 100644
--- a/drivers/net/team/team_mode_roundrobin.c
+++ b/drivers/net/team/team_mode_roundrobin.c
@@ -32,6 +32,8 @@ static bool rr_transmit(struct team *team, struct sk_buff *skb)
 
         port_index = rr_priv(team)->sent_packets++ % team->en_port_count;
         port = team_get_port_by_index_rcu(team, port_index);
+        if (unlikely(!port))
+                goto drop;
         port = team_get_first_port_txable_rcu(team, port);
         if (unlikely(!port))
                 goto drop;
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index f042b0373e5d..bfa9bb48e42d 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -352,7 +352,7 @@ static u16 tun_select_queue(struct net_device *dev, struct sk_buff *skb)
         u32 numqueues = 0;
 
         rcu_read_lock();
-        numqueues = tun->numqueues;
+        numqueues = ACCESS_ONCE(tun->numqueues);
 
         txq = skb_get_rxhash(skb);
         if (txq) {
@@ -1585,6 +1585,10 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
                 else
                         return -EINVAL;
 
+                if (!!(ifr->ifr_flags & IFF_MULTI_QUEUE) !=
+                    !!(tun->flags & TUN_TAP_MQ))
+                        return -EINVAL;
+
                 if (tun_not_capable(tun))
                         return -EPERM;
                 err = security_tun_dev_open(tun->security);
@@ -2155,6 +2159,8 @@ static int tun_chr_open(struct inode *inode, struct file * file)
         set_bit(SOCK_EXTERNALLY_ALLOCATED, &tfile->socket.flags);
         INIT_LIST_HEAD(&tfile->next);
 
+        sock_set_flag(&tfile->sk, SOCK_ZEROCOPY);
+
         return 0;
 }
 
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index 078795fe6e31..04ee044dde51 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -627,6 +627,12 @@ static const struct usb_device_id	products [] = {
         .driver_info = 0,
 },
 
+/* Huawei E1820 - handled by qmi_wwan */
+{
+        USB_DEVICE_INTERFACE_NUMBER(HUAWEI_VENDOR_ID, 0x14ac, 1),
+        .driver_info = 0,
+},
+
 /* Realtek RTL8152 Based USB 2.0 Ethernet Adapters */
 #if defined(CONFIG_USB_RTL8152) || defined(CONFIG_USB_RTL8152_MODULE)
 {
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index cf887c2384e9..d095d0d3056b 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -519,6 +519,7 @@ static const struct usb_device_id products[] = {
         /* 3. Combined interface devices matching on interface number */
         {QMI_FIXED_INTF(0x0408, 0xea42, 4)},    /* Yota / Megafon M100-1 */
         {QMI_FIXED_INTF(0x12d1, 0x140c, 1)},    /* Huawei E173 */
+        {QMI_FIXED_INTF(0x12d1, 0x14ac, 1)},    /* Huawei E1820 */
         {QMI_FIXED_INTF(0x19d2, 0x0002, 1)},
         {QMI_FIXED_INTF(0x19d2, 0x0012, 1)},
         {QMI_FIXED_INTF(0x19d2, 0x0017, 3)},
@@ -582,6 +583,7 @@ static const struct usb_device_id products[] = {
         {QMI_FIXED_INTF(0x1bbb, 0x011e, 4)},    /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */
         {QMI_FIXED_INTF(0x2357, 0x0201, 4)},    /* TP-LINK HSUPA Modem MA180 */
         {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)},    /* Telit LE920 */
+        {QMI_FIXED_INTF(0x1e2d, 0x12d1, 4)},    /* Cinterion PLxx */
 
         /* 4. Gobi 1000 devices */
         {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)},    /* Acer Gobi Modem Device */
diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c
index a491d3a95393..6cbdac67f3a0 100644
--- a/drivers/net/usb/rtl8150.c
+++ b/drivers/net/usb/rtl8150.c
@@ -130,19 +130,23 @@ struct rtl8150 {
         struct usb_device *udev;
         struct tasklet_struct tl;
         struct net_device *netdev;
-        struct urb *rx_urb, *tx_urb, *intr_urb, *ctrl_urb;
+        struct urb *rx_urb, *tx_urb, *intr_urb;
         struct sk_buff *tx_skb, *rx_skb;
         struct sk_buff *rx_skb_pool[RX_SKB_POOL_SIZE];
         spinlock_t rx_pool_lock;
         struct usb_ctrlrequest dr;
         int intr_interval;
-        __le16 rx_creg;
         u8 *intr_buff;
         u8 phy;
 };
 
 typedef struct rtl8150 rtl8150_t;
 
+struct async_req {
+        struct usb_ctrlrequest dr;
+        u16 rx_creg;
+};
+
 static const char driver_name [] = "rtl8150";
 
 /*
@@ -164,51 +168,47 @@ static int set_registers(rtl8150_t * dev, u16 indx, u16 size, void *data)
                                indx, 0, data, size, 500);
 }
 
-static void ctrl_callback(struct urb *urb)
+static void async_set_reg_cb(struct urb *urb)
 {
-        rtl8150_t *dev;
+        struct async_req *req = (struct async_req *)urb->context;
         int status = urb->status;
 
-        switch (status) {
-        case 0:
-                break;
-        case -EINPROGRESS:
-                break;
-        case -ENOENT:
-                break;
-        default:
-                if (printk_ratelimit())
-                        dev_warn(&urb->dev->dev, "ctrl urb status %d\n", status);
-        }
-        dev = urb->context;
-        clear_bit(RX_REG_SET, &dev->flags);
+        if (status < 0)
+                dev_dbg(&urb->dev->dev, "%s failed with %d", __func__, status);
+        kfree(req);
+        usb_free_urb(urb);
 }
 
-static int async_set_registers(rtl8150_t * dev, u16 indx, u16 size)
+static int async_set_registers(rtl8150_t *dev, u16 indx, u16 size, u16 reg)
 {
-        int ret;
-
-        if (test_bit(RX_REG_SET, &dev->flags))
-                return -EAGAIN;
+        int res = -ENOMEM;
+        struct urb *async_urb;
+        struct async_req *req;
 
-        dev->dr.bRequestType = RTL8150_REQT_WRITE;
-        dev->dr.bRequest = RTL8150_REQ_SET_REGS;
-        dev->dr.wValue = cpu_to_le16(indx);
-        dev->dr.wIndex = 0;
-        dev->dr.wLength = cpu_to_le16(size);
-        dev->ctrl_urb->transfer_buffer_length = size;
-        usb_fill_control_urb(dev->ctrl_urb, dev->udev,
-                         usb_sndctrlpipe(dev->udev, 0), (char *) &dev->dr,
-                         &dev->rx_creg, size, ctrl_callback, dev);
-        if ((ret = usb_submit_urb(dev->ctrl_urb, GFP_ATOMIC))) {
-                if (ret == -ENODEV)
+        req = kmalloc(sizeof(struct async_req), GFP_ATOMIC);
+        if (req == NULL)
+                return res;
+        async_urb = usb_alloc_urb(0, GFP_ATOMIC);
+        if (async_urb == NULL) {
+                kfree(req);
+                return res;
+        }
+        req->rx_creg = cpu_to_le16(reg);
+        req->dr.bRequestType = RTL8150_REQT_WRITE;
+        req->dr.bRequest = RTL8150_REQ_SET_REGS;
+        req->dr.wIndex = 0;
+        req->dr.wValue = cpu_to_le16(indx);
+        req->dr.wLength = cpu_to_le16(size);
+        usb_fill_control_urb(async_urb, dev->udev,
+                             usb_sndctrlpipe(dev->udev, 0), (void *)&req->dr,
+                             &req->rx_creg, size, async_set_reg_cb, req);
+        res = usb_submit_urb(async_urb, GFP_ATOMIC);
+        if (res) {
+                if (res == -ENODEV)
                         netif_device_detach(dev->netdev);
-                dev_err(&dev->udev->dev,
-                        "control request submission failed: %d\n", ret);
-        } else
-                set_bit(RX_REG_SET, &dev->flags);
-
-        return ret;
+                dev_err(&dev->udev->dev, "%s failed with %d\n", __func__, res);
+        }
+        return res;
 }
 
 static int read_mii_word(rtl8150_t * dev, u8 phy, __u8 indx, u16 * reg)
@@ -330,13 +330,6 @@ static int alloc_all_urbs(rtl8150_t * dev)
                 usb_free_urb(dev->tx_urb);
                 return 0;
         }
-        dev->ctrl_urb = usb_alloc_urb(0, GFP_KERNEL);
-        if (!dev->ctrl_urb) {
-                usb_free_urb(dev->rx_urb);
-                usb_free_urb(dev->tx_urb);
-                usb_free_urb(dev->intr_urb);
-                return 0;
-        }
 
         return 1;
 }
@@ -346,7 +339,6 @@ static void free_all_urbs(rtl8150_t * dev)
         usb_free_urb(dev->rx_urb);
         usb_free_urb(dev->tx_urb);
         usb_free_urb(dev->intr_urb);
-        usb_free_urb(dev->ctrl_urb);
 }
 
 static void unlink_all_urbs(rtl8150_t * dev)
@@ -354,7 +346,6 @@ static void unlink_all_urbs(rtl8150_t * dev)
         usb_kill_urb(dev->rx_urb);
         usb_kill_urb(dev->tx_urb);
         usb_kill_urb(dev->intr_urb);
-        usb_kill_urb(dev->ctrl_urb);
 }
 
 static inline struct sk_buff *pull_skb(rtl8150_t *dev)
@@ -629,7 +620,6 @@ static int enable_net_traffic(rtl8150_t * dev)
         }
         /* RCR bit7=1 attach Rx info at the end;  =0 HW CRC (which is broken) */
         rcr = 0x9e;
-        dev->rx_creg = cpu_to_le16(rcr);
         tcr = 0xd8;
         cr = 0x0c;
         if (!(rcr & 0x80))
@@ -662,20 +652,22 @@ static void rtl8150_tx_timeout(struct net_device *netdev)
 static void rtl8150_set_multicast(struct net_device *netdev)
 {
         rtl8150_t *dev = netdev_priv(netdev);
+        u16 rx_creg = 0x9e;
+
         netif_stop_queue(netdev);
         if (netdev->flags & IFF_PROMISC) {
-                dev->rx_creg |= cpu_to_le16(0x0001);
+                rx_creg |= 0x0001;
                 dev_info(&netdev->dev, "%s: promiscuous mode\n", netdev->name);
         } else if (!netdev_mc_empty(netdev) ||
                    (netdev->flags & IFF_ALLMULTI)) {
-                dev->rx_creg &= cpu_to_le16(0xfffe);
-                dev->rx_creg |= cpu_to_le16(0x0002);
+                rx_creg &= 0xfffe;
+                rx_creg |= 0x0002;
                 dev_info(&netdev->dev, "%s: allmulti set\n", netdev->name);
         } else {
                 /* ~RX_MULTICAST, ~RX_PROMISCUOUS */
-                dev->rx_creg &= cpu_to_le16(0x00fc);
+                rx_creg &= 0x00fc;
         }
-        async_set_registers(dev, RCR, 2);
+        async_set_registers(dev, RCR, sizeof(rx_creg), rx_creg);
         netif_wake_queue(netdev);
 }
 
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 655bb25eed2b..c9e00387d999 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -636,10 +636,11 @@ static int virtnet_open(struct net_device *dev)
         struct virtnet_info *vi = netdev_priv(dev);
         int i;
 
-        for (i = 0; i < vi->curr_queue_pairs; i++) {
-                /* Make sure we have some buffers: if oom use wq. */
-                if (!try_fill_recv(&vi->rq[i], GFP_KERNEL))
-                        schedule_delayed_work(&vi->refill, 0);
+        for (i = 0; i < vi->max_queue_pairs; i++) {
+                if (i < vi->curr_queue_pairs)
+                        /* Make sure we have some buffers: if oom use wq. */
+                        if (!try_fill_recv(&vi->rq[i], GFP_KERNEL))
+                                schedule_delayed_work(&vi->refill, 0);
                 virtnet_napi_enable(&vi->rq[i]);
         }
 
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index ba81f3c39a83..3b1d2ee7156b 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -301,7 +301,7 @@ static inline struct hlist_head *vxlan_fdb_head(struct vxlan_dev *vxlan,
 }
 
 /* Look up Ethernet address in forwarding table */
-static struct vxlan_fdb *vxlan_find_mac(struct vxlan_dev *vxlan,
+static struct vxlan_fdb *__vxlan_find_mac(struct vxlan_dev *vxlan,
                                         const u8 *mac)
 
 {
@@ -316,6 +316,18 @@ static struct vxlan_fdb *vxlan_find_mac(struct vxlan_dev *vxlan,
         return NULL;
 }
 
+static struct vxlan_fdb *vxlan_find_mac(struct vxlan_dev *vxlan,
+                                        const u8 *mac)
+{
+        struct vxlan_fdb *f;
+
+        f = __vxlan_find_mac(vxlan, mac);
+        if (f)
+                f->used = jiffies;
+
+        return f;
+}
+
 /* Add/update destinations for multicast */
 static int vxlan_fdb_append(struct vxlan_fdb *f,
                             __be32 ip, __be16 port, __u32 vni, __u32 ifindex)
@@ -353,7 +365,7 @@ static int vxlan_fdb_create(struct vxlan_dev *vxlan,
         struct vxlan_fdb *f;
         int notify = 0;
 
-        f = vxlan_find_mac(vxlan, mac);
+        f = __vxlan_find_mac(vxlan, mac);
         if (f) {
                 if (flags & NLM_F_EXCL) {
                         netdev_dbg(vxlan->dev,
@@ -563,7 +575,6 @@ static void vxlan_snoop(struct net_device *dev,
 
         f = vxlan_find_mac(vxlan, src_mac);
         if (likely(f)) {
-                f->used = jiffies;
                 if (likely(f->remote.remote_ip == src_ip))
                         return;
 
diff --git a/drivers/net/wireless/ath/ath9k/Kconfig b/drivers/net/wireless/ath/ath9k/Kconfig
index f3dc124c60c7..3c2cbc9d6295 100644
--- a/drivers/net/wireless/ath/ath9k/Kconfig
+++ b/drivers/net/wireless/ath/ath9k/Kconfig
@@ -92,13 +92,17 @@ config ATH9K_MAC_DEBUG
           This option enables collection of statistics for Rx/Tx status
           data and some other MAC related statistics
 
-config ATH9K_RATE_CONTROL
+config ATH9K_LEGACY_RATE_CONTROL
         bool "Atheros ath9k rate control"
         depends on ATH9K
-        default y
+        default n
         ---help---
           Say Y, if you want to use the ath9k specific rate control
-          module instead of minstrel_ht.
+          module instead of minstrel_ht. Be warned that there are various
+          issues with the ath9k RC and minstrel is a more robust algorithm.
+          Note that even if this option is selected, "ath9k_rate_control"
+          has to be passed to mac80211 using the module parameter,
+          ieee80211_default_rc_algo.
 
 config ATH9K_HTC
        tristate "Atheros HTC based wireless cards support"
diff --git a/drivers/net/wireless/ath/ath9k/Makefile b/drivers/net/wireless/ath/ath9k/Makefile
index 2ad8f9474ba1..75ee9e7704ce 100644
--- a/drivers/net/wireless/ath/ath9k/Makefile
+++ b/drivers/net/wireless/ath/ath9k/Makefile
@@ -8,7 +8,7 @@ ath9k-y +=	beacon.o \
                 antenna.o
 
 ath9k-$(CONFIG_ATH9K_BTCOEX_SUPPORT) += mci.o
-ath9k-$(CONFIG_ATH9K_RATE_CONTROL) += rc.o
+ath9k-$(CONFIG_ATH9K_LEGACY_RATE_CONTROL) += rc.o
 ath9k-$(CONFIG_ATH9K_PCI) += pci.o
 ath9k-$(CONFIG_ATH9K_AHB) += ahb.o
 ath9k-$(CONFIG_ATH9K_DEBUGFS) += debug.o
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h b/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h
index db5ffada2217..7546b9a7dcbf 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h
@@ -958,11 +958,11 @@ static const u32 ar9300Common_rx_gain_table_2p2[][2] = {
         {0x0000a074, 0x00000000},
         {0x0000a078, 0x00000000},
         {0x0000a07c, 0x00000000},
-        {0x0000a080, 0x1a1a1a1a},
-        {0x0000a084, 0x1a1a1a1a},
-        {0x0000a088, 0x1a1a1a1a},
-        {0x0000a08c, 0x1a1a1a1a},
-        {0x0000a090, 0x171a1a1a},
+        {0x0000a080, 0x22222229},
+        {0x0000a084, 0x1d1d1d1d},
+        {0x0000a088, 0x1d1d1d1d},
+        {0x0000a08c, 0x1d1d1d1d},
+        {0x0000a090, 0x171d1d1d},
         {0x0000a094, 0x11111717},
         {0x0000a098, 0x00030311},
         {0x0000a09c, 0x00000000},
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
index 639ba7d18ea4..6988e1d081f2 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
@@ -965,7 +965,7 @@ static void ar9003_hw_do_manual_peak_cal(struct ath_hw *ah,
 {
         int i;
 
-        if (!AR_SREV_9462(ah) && !AR_SREV_9565(ah))
+        if (!AR_SREV_9462(ah) && !AR_SREV_9565(ah) && !AR_SREV_9485(ah))
                 return;
 
         for (i = 0; i < AR9300_MAX_CHAINS; i++) {
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
index 54ba42f4108a..874f6570bd1c 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
@@ -68,13 +68,16 @@
 #define AR9300_BASE_ADDR 0x3ff
 #define AR9300_BASE_ADDR_512 0x1ff
 
-#define AR9300_OTP_BASE                 (AR_SREV_9340(ah) ? 0x30000 : 0x14000)
-#define AR9300_OTP_STATUS               (AR_SREV_9340(ah) ? 0x30018 : 0x15f18)
+#define AR9300_OTP_BASE \
+                ((AR_SREV_9340(ah) || AR_SREV_9550(ah)) ? 0x30000 : 0x14000)
+#define AR9300_OTP_STATUS \
+                ((AR_SREV_9340(ah) || AR_SREV_9550(ah)) ? 0x30018 : 0x15f18)
 #define AR9300_OTP_STATUS_TYPE          0x7
 #define AR9300_OTP_STATUS_VALID         0x4
 #define AR9300_OTP_STATUS_ACCESS_BUSY   0x2
 #define AR9300_OTP_STATUS_SM_BUSY       0x1
-#define AR9300_OTP_READ_DATA            (AR_SREV_9340(ah) ? 0x3001c : 0x15f1c)
+#define AR9300_OTP_READ_DATA \
+                ((AR_SREV_9340(ah) || AR_SREV_9550(ah)) ? 0x3001c : 0x15f1c)
 
 enum targetPowerHTRates {
         HT_TARGET_RATE_0_8_16,
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index 2bf6548dd143..e1714d7c9eeb 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -334,7 +334,8 @@ static void ar9003_hw_spur_ofdm(struct ath_hw *ah,
         REG_RMW_FIELD(ah, AR_PHY_SPUR_REG,
                       AR_PHY_SPUR_REG_EN_VIT_SPUR_RSSI, 1);
 
-        if (REG_READ_FIELD(ah, AR_PHY_MODE,
+        if (!AR_SREV_9340(ah) &&
+            REG_READ_FIELD(ah, AR_PHY_MODE,
                            AR_PHY_MODE_DYNAMIC) == 0x1)
                 REG_RMW_FIELD(ah, AR_PHY_SPUR_REG,
                               AR_PHY_SPUR_REG_ENABLE_NF_RSSI_SPUR_MIT, 1);
diff --git a/drivers/net/wireless/ath/ath9k/ar9485_initvals.h b/drivers/net/wireless/ath/ath9k/ar9485_initvals.h
index 712f415b8c08..88ff1d7b53ab 100644
--- a/drivers/net/wireless/ath/ath9k/ar9485_initvals.h
+++ b/drivers/net/wireless/ath/ath9k/ar9485_initvals.h
@@ -1020,7 +1020,7 @@ static const u32 ar9485_1_1_baseband_postamble[][5] = {
         {0x0000a284, 0x00000000, 0x00000000, 0x000002a0, 0x000002a0},
         {0x0000a288, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
         {0x0000a28c, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
-        {0x0000a2c4, 0x00158d18, 0x00158d18, 0x00158d18, 0x00158d18},
+        {0x0000a2c4, 0x00158d18, 0x00158d18, 0x00058d18, 0x00058d18},
         {0x0000a2d0, 0x00071981, 0x00071981, 0x00071982, 0x00071982},
         {0x0000a2d8, 0xf999a83a, 0xf999a83a, 0xf999a83a, 0xf999a83a},
         {0x0000a358, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 8a1888d02070..42b03dc39d14 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -251,9 +251,9 @@ struct ath_atx_tid {
         int tidno;
         int baw_head;   /* first un-acked tx buffer */
         int baw_tail;   /* next unused tx buffer slot */
-        int sched;
-        int paused;
-        u8 state;
+        bool sched;
+        bool paused;
+        bool active;
 };
 
 struct ath_node {
@@ -274,10 +274,6 @@ struct ath_node {
 #endif
 };
 
-#define AGGR_CLEANUP         BIT(1)
-#define AGGR_ADDBA_COMPLETE  BIT(2)
-#define AGGR_ADDBA_PROGRESS  BIT(3)
-
 struct ath_tx_control {
         struct ath_txq *txq;
         struct ath_node *an;
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index e6307b86363a..b37eb8d38811 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -2008,6 +2008,14 @@ void ath9k_get_et_stats(struct ieee80211_hw *hw,
         WARN_ON(i != ATH9K_SSTATS_LEN);
 }
 
+void ath9k_deinit_debug(struct ath_softc *sc)
+{
+        if (config_enabled(CONFIG_ATH9K_DEBUGFS) && sc->rfs_chan_spec_scan) {
+                relay_close(sc->rfs_chan_spec_scan);
+                sc->rfs_chan_spec_scan = NULL;
+        }
+}
+
 int ath9k_init_debug(struct ath_hw *ah)
 {
         struct ath_common *common = ath9k_hw_common(ah);
diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h
index 794a7ec83a24..9d49aab8b989 100644
--- a/drivers/net/wireless/ath/ath9k/debug.h
+++ b/drivers/net/wireless/ath/ath9k/debug.h
@@ -304,6 +304,7 @@ struct ath9k_debug {
 };
 
 int ath9k_init_debug(struct ath_hw *ah);
+void ath9k_deinit_debug(struct ath_softc *sc);
 
 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
@@ -339,6 +340,10 @@ static inline int ath9k_init_debug(struct ath_hw *ah)
         return 0;
 }
 
+static inline void ath9k_deinit_debug(struct ath_softc *sc)
+{
+}
+
 static inline void ath_debug_stat_interrupt(struct ath_softc *sc,
                                             enum ath9k_int status)
 {
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 7f25da8444fe..15dfefcf2d0f 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1172,6 +1172,7 @@ u32 ath9k_regd_get_ctl(struct ath_regulatory *reg, struct ath9k_channel *chan)
 static inline void ath9k_hw_set_dma(struct ath_hw *ah)
 {
         struct ath_common *common = ath9k_hw_common(ah);
+        int txbuf_size;
 
         ENABLE_REGWRITE_BUFFER(ah);
 
@@ -1225,13 +1226,17 @@ static inline void ath9k_hw_set_dma(struct ath_hw *ah)
                  * So set the usable tx buf size also to half to
                  * avoid data/delimiter underruns
                  */
-                REG_WRITE(ah, AR_PCU_TXBUF_CTRL,
-                          AR_9285_PCU_TXBUF_CTRL_USABLE_SIZE);
-        } else if (!AR_SREV_9271(ah)) {
-                REG_WRITE(ah, AR_PCU_TXBUF_CTRL,
-                          AR_PCU_TXBUF_CTRL_USABLE_SIZE);
+                txbuf_size = AR_9285_PCU_TXBUF_CTRL_USABLE_SIZE;
+        } else if (AR_SREV_9340_13_OR_LATER(ah)) {
+                /* Uses fewer entries for AR934x v1.3+ to prevent rx overruns */
+                txbuf_size = AR_9340_PCU_TXBUF_CTRL_USABLE_SIZE;
+        } else {
+                txbuf_size = AR_PCU_TXBUF_CTRL_USABLE_SIZE;
         }
 
+        if (!AR_SREV_9271(ah))
+                REG_WRITE(ah, AR_PCU_TXBUF_CTRL, txbuf_size);
+
         REGWRITE_BUFFER_FLUSH(ah);
 
         if (AR_SREV_9300_20_OR_LATER(ah))
@@ -1306,9 +1311,13 @@ static bool ath9k_hw_set_reset(struct ath_hw *ah, int type)
                         AR_RTC_RC_COLD_RESET | AR_RTC_RC_WARM_RESET;
         } else {
                 tmpReg = REG_READ(ah, AR_INTR_SYNC_CAUSE);
-                if (tmpReg &
-                    (AR_INTR_SYNC_LOCAL_TIMEOUT |
-                     AR_INTR_SYNC_RADM_CPL_TIMEOUT)) {
+                if (AR_SREV_9340(ah))
+                        tmpReg &= AR9340_INTR_SYNC_LOCAL_TIMEOUT;
+                else
+                        tmpReg &= AR_INTR_SYNC_LOCAL_TIMEOUT |
+                                  AR_INTR_SYNC_RADM_CPL_TIMEOUT;
+
+                if (tmpReg) {
                         u32 val;
                         REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
 
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 0237b2868961..2ba494567777 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -787,8 +787,7 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
         hw->wiphy->iface_combinations = if_comb;
         hw->wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
 
-        if (AR_SREV_5416(sc->sc_ah))
-                hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
+        hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
 
         hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
         hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
@@ -830,10 +829,6 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
         sc->ant_rx = hw->wiphy->available_antennas_rx;
         sc->ant_tx = hw->wiphy->available_antennas_tx;
 
-#ifdef CONFIG_ATH9K_RATE_CONTROL
-        hw->rate_control_algorithm = "ath9k_rate_control";
-#endif
-
         if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ)
                 hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
                         &sc->sbands[IEEE80211_BAND_2GHZ];
@@ -906,7 +901,7 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc,
         if (!ath_is_world_regd(reg)) {
                 error = regulatory_hint(hw->wiphy, reg->alpha2);
                 if (error)
-                        goto unregister;
+                        goto debug_cleanup;
         }
 
         ath_init_leds(sc);
@@ -914,6 +909,8 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc,
 
         return 0;
 
+debug_cleanup:
+        ath9k_deinit_debug(sc);
 unregister:
         ieee80211_unregister_hw(hw);
 rx_cleanup:
@@ -942,11 +939,6 @@ static void ath9k_deinit_softc(struct ath_softc *sc)
                 sc->dfs_detector->exit(sc->dfs_detector);
 
         ath9k_eeprom_release(sc);
-
-        if (config_enabled(CONFIG_ATH9K_DEBUGFS) && sc->rfs_chan_spec_scan) {
-                relay_close(sc->rfs_chan_spec_scan);
-                sc->rfs_chan_spec_scan = NULL;
-        }
 }
 
 void ath9k_deinit_device(struct ath_softc *sc)
@@ -960,6 +952,7 @@ void ath9k_deinit_device(struct ath_softc *sc)
 
         ath9k_ps_restore(sc);
 
+        ath9k_deinit_debug(sc);
         ieee80211_unregister_hw(hw);
         ath_rx_cleanup(sc);
         ath9k_deinit_softc(sc);
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index 498fee04afa0..566109a40fb3 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -410,7 +410,7 @@ bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q)
 
         REG_WRITE(ah, AR_QMISC(q), AR_Q_MISC_DCU_EARLY_TERM_REQ);
 
-        if (AR_SREV_9340(ah))
+        if (AR_SREV_9340(ah) && !AR_SREV_9340_13_OR_LATER(ah))
                 REG_WRITE(ah, AR_DMISC(q),
                           AR_D_MISC_CW_BKOFF_EN | AR_D_MISC_FRAG_WAIT_EN | 0x1);
         else
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index a18414b5948b..5092ecae7706 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1687,6 +1687,7 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw,
                               u16 tid, u16 *ssn, u8 buf_size)
 {
         struct ath_softc *sc = hw->priv;
+        bool flush = false;
         int ret = 0;
 
         local_bh_disable();
@@ -1703,12 +1704,14 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw,
                         ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
                 ath9k_ps_restore(sc);
                 break;
-        case IEEE80211_AMPDU_TX_STOP_CONT:
         case IEEE80211_AMPDU_TX_STOP_FLUSH:
         case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
+                flush = true;
+        case IEEE80211_AMPDU_TX_STOP_CONT:
                 ath9k_ps_wakeup(sc);
                 ath_tx_aggr_stop(sc, sta, tid);
-                ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+                if (!flush)
+                        ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
                 ath9k_ps_restore(sc);
                 break;
         case IEEE80211_AMPDU_TX_OPERATIONAL:
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index aa4d368d8d3d..7eb1f4b458e4 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -1227,10 +1227,7 @@ static bool ath_tx_aggr_check(struct ath_softc *sc, struct ieee80211_sta *sta,
                 return false;
 
         txtid = ATH_AN_2_TID(an, tidno);
-
-        if (!(txtid->state & (AGGR_ADDBA_COMPLETE | AGGR_ADDBA_PROGRESS)))
-                        return true;
-        return false;
+        return !txtid->active;
 }
 
 
diff --git a/drivers/net/wireless/ath/ath9k/rc.h b/drivers/net/wireless/ath/ath9k/rc.h
index 267dbfcfaa96..b9a87383cb43 100644
--- a/drivers/net/wireless/ath/ath9k/rc.h
+++ b/drivers/net/wireless/ath/ath9k/rc.h
@@ -231,7 +231,7 @@ static inline void ath_debug_stat_retries(struct ath_rate_priv *rc, int rix,
 }
 #endif
 
-#ifdef CONFIG_ATH9K_RATE_CONTROL
+#ifdef CONFIG_ATH9K_LEGACY_RATE_CONTROL
 int ath_rate_control_register(void);
 void ath_rate_control_unregister(void);
 #else
diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h
index 5c4ab5026dca..f7c90cc58d56 100644
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -798,6 +798,10 @@
 #define AR_SREV_REVISION_9485_10        0
 #define AR_SREV_REVISION_9485_11        1
 #define AR_SREV_VERSION_9340            0x300
+#define AR_SREV_REVISION_9340_10        0
+#define AR_SREV_REVISION_9340_11        1
+#define AR_SREV_REVISION_9340_12        2
+#define AR_SREV_REVISION_9340_13        3
 #define AR_SREV_VERSION_9580            0x1C0
 #define AR_SREV_REVISION_9580_10        4 /* AR9580 1.0 */
 #define AR_SREV_VERSION_9462            0x280
@@ -897,6 +901,10 @@
 #define AR_SREV_9340(_ah) \
         (((_ah)->hw_version.macVersion == AR_SREV_VERSION_9340))
 
+#define AR_SREV_9340_13_OR_LATER(_ah) \
+        (AR_SREV_9340((_ah)) && \
+         ((_ah)->hw_version.macRev >= AR_SREV_REVISION_9340_13))
+
 #define AR_SREV_9285E_20(_ah) \
     (AR_SREV_9285_12_OR_LATER(_ah) && \
      ((REG_READ(_ah, AR_AN_SYNTH9) & 0x7) == 0x1))
@@ -1007,6 +1015,8 @@ enum {
                                 AR_INTR_SYNC_LOCAL_TIMEOUT |
                                 AR_INTR_SYNC_MAC_SLEEP_ACCESS),
 
+        AR9340_INTR_SYNC_LOCAL_TIMEOUT = 0x00000010,
+
         AR_INTR_SYNC_SPURIOUS = 0xFFFFFFFF,
 
 };
@@ -1881,6 +1891,7 @@ enum {
 #define AR_PCU_TXBUF_CTRL_SIZE_MASK     0x7FF
 #define AR_PCU_TXBUF_CTRL_USABLE_SIZE   0x700
 #define AR_9285_PCU_TXBUF_CTRL_USABLE_SIZE   0x380
+#define AR_9340_PCU_TXBUF_CTRL_USABLE_SIZE   0x500
 
 #define AR_PCU_MISC_MODE2               0x8344
 #define AR_PCU_MISC_MODE2_MGMT_CRYPTO_ENABLE           0x00000002
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index eab0fcb7ded6..1c9b1bac8b0d 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -125,24 +125,6 @@ static void ath_tx_queue_tid(struct ath_txq *txq, struct ath_atx_tid *tid)
         list_add_tail(&ac->list, &txq->axq_acq);
 }
 
-static void ath_tx_resume_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
-{
-        struct ath_txq *txq = tid->ac->txq;
-
-        WARN_ON(!tid->paused);
-
-        ath_txq_lock(sc, txq);
-        tid->paused = false;
-
-        if (skb_queue_empty(&tid->buf_q))
-                goto unlock;
-
-        ath_tx_queue_tid(txq, tid);
-        ath_txq_schedule(sc, txq);
-unlock:
-        ath_txq_unlock_complete(sc, txq);
-}
-
 static struct ath_frame_info *get_frame_info(struct sk_buff *skb)
 {
         struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
@@ -201,11 +183,6 @@ static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
                 }
         }
 
-        if (tid->baw_head == tid->baw_tail) {
-                tid->state &= ~AGGR_ADDBA_COMPLETE;
-                tid->state &= ~AGGR_CLEANUP;
-        }
-
         if (sendbar) {
                 ath_txq_unlock(sc, txq);
                 ath_send_bar(tid, tid->seq_start);
@@ -277,9 +254,7 @@ static void ath_tid_drain(struct ath_softc *sc, struct ath_txq *txq,
 
                 list_add_tail(&bf->list, &bf_head);
 
-                if (fi->retries)
-                        ath_tx_update_baw(sc, tid, bf->bf_state.seqno);
-
+                ath_tx_update_baw(sc, tid, bf->bf_state.seqno);
                 ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0);
         }
 
@@ -491,19 +466,19 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
                 tx_info = IEEE80211_SKB_CB(skb);
                 fi = get_frame_info(skb);
 
-                if (ATH_BA_ISSET(ba, ATH_BA_INDEX(seq_st, seqno))) {
+                if (!BAW_WITHIN(tid->seq_start, tid->baw_size, seqno)) {
+                        /*
+                         * Outside of the current BlockAck window,
+                         * maybe part of a previous session
+                         */
+                        txfail = 1;
+                } else if (ATH_BA_ISSET(ba, ATH_BA_INDEX(seq_st, seqno))) {
                         /* transmit completion, subframe is
                          * acked by block ack */
                         acked_cnt++;
                 } else if (!isaggr && txok) {
                         /* transmit completion */
                         acked_cnt++;
-                } else if (tid->state & AGGR_CLEANUP) {
-                        /*
-                         * cleanup in progress, just fail
-                         * the un-acked sub-frames
-                         */
-                        txfail = 1;
                 } else if (flush) {
                         txpending = 1;
                 } else if (fi->retries < ATH_MAX_SW_RETRIES) {
@@ -527,7 +502,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
                 if (bf_next != NULL || !bf_last->bf_stale)
                         list_move_tail(&bf->list, &bf_head);
 
-                if (!txpending || (tid->state & AGGR_CLEANUP)) {
+                if (!txpending) {
                         /*
                          * complete the acked-ones/xretried ones; update
                          * block-ack window
@@ -601,9 +576,6 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
                 ath_txq_lock(sc, txq);
         }
 
-        if (tid->state & AGGR_CLEANUP)
-                ath_tx_flush_tid(sc, tid);
-
         rcu_read_unlock();
 
         if (needreset)
@@ -620,6 +592,7 @@ static void ath_tx_process_buffer(struct ath_softc *sc, struct ath_txq *txq,
                                   struct ath_tx_status *ts, struct ath_buf *bf,
                                   struct list_head *bf_head)
 {
+        struct ieee80211_tx_info *info;
         bool txok, flush;
 
         txok = !(ts->ts_status & ATH9K_TXERR_MASK);
@@ -631,8 +604,12 @@ static void ath_tx_process_buffer(struct ath_softc *sc, struct ath_txq *txq,
                 txq->axq_ampdu_depth--;
 
         if (!bf_isampdu(bf)) {
-                if (!flush)
+                if (!flush) {
+                        info = IEEE80211_SKB_CB(bf->bf_mpdu);
+                        memcpy(info->control.rates, bf->rates,
+                               sizeof(info->control.rates));
                         ath_tx_rc_status(sc, bf, ts, 1, txok ? 0 : 1, txok);
+                }
                 ath_tx_complete_buf(sc, bf, txq, bf_head, ts, txok);
         } else
                 ath_tx_complete_aggr(sc, txq, bf, bf_head, ts, txok);
@@ -676,7 +653,7 @@ static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
 
         skb = bf->bf_mpdu;
         tx_info = IEEE80211_SKB_CB(skb);
-        rates = tx_info->control.rates;
+        rates = bf->rates;
 
         /*
          * Find the lowest frame length among the rate series that will have a
@@ -1231,9 +1208,6 @@ int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
         an = (struct ath_node *)sta->drv_priv;
         txtid = ATH_AN_2_TID(an, tid);
 
-        if (txtid->state & (AGGR_CLEANUP | AGGR_ADDBA_COMPLETE))
-                return -EAGAIN;
-
         /* update ampdu factor/density, they may have changed. This may happen
          * in HT IBSS when a beacon with HT-info is received after the station
          * has already been added.
@@ -1245,7 +1219,7 @@ int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
                 an->mpdudensity = density;
         }
 
-        txtid->state |= AGGR_ADDBA_PROGRESS;
+        txtid->active = true;
         txtid->paused = true;
         *ssn = txtid->seq_start = txtid->seq_next;
         txtid->bar_index = -1;
@@ -1262,28 +1236,9 @@ void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid)
         struct ath_atx_tid *txtid = ATH_AN_2_TID(an, tid);
         struct ath_txq *txq = txtid->ac->txq;
 
-        if (txtid->state & AGGR_CLEANUP)
-                return;
-
-        if (!(txtid->state & AGGR_ADDBA_COMPLETE)) {
-                txtid->state &= ~AGGR_ADDBA_PROGRESS;
-                return;
-        }
-
         ath_txq_lock(sc, txq);
+        txtid->active = false;
         txtid->paused = true;
-
-        /*
-         * If frames are still being transmitted for this TID, they will be
-         * cleaned up during tx completion. To prevent race conditions, this
-         * TID can only be reused after all in-progress subframes have been
-         * completed.
-         */
-        if (txtid->baw_head != txtid->baw_tail)
-                txtid->state |= AGGR_CLEANUP;
-        else
-                txtid->state &= ~AGGR_ADDBA_COMPLETE;
-
         ath_tx_flush_tid(sc, txtid);
         ath_txq_unlock_complete(sc, txq);
 }
@@ -1349,18 +1304,28 @@ void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an)
         }
 }
 
-void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid)
+void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta,
+                        u16 tidno)
 {
-        struct ath_atx_tid *txtid;
+        struct ath_atx_tid *tid;
         struct ath_node *an;
+        struct ath_txq *txq;
 
         an = (struct ath_node *)sta->drv_priv;
+        tid = ATH_AN_2_TID(an, tidno);
+        txq = tid->ac->txq;
 
-        txtid = ATH_AN_2_TID(an, tid);
-        txtid->baw_size = IEEE80211_MIN_AMPDU_BUF << sta->ht_cap.ampdu_factor;
-        txtid->state |= AGGR_ADDBA_COMPLETE;
-        txtid->state &= ~AGGR_ADDBA_PROGRESS;
-        ath_tx_resume_tid(sc, txtid);
+        ath_txq_lock(sc, txq);
+
+        tid->baw_size = IEEE80211_MIN_AMPDU_BUF << sta->ht_cap.ampdu_factor;
+        tid->paused = false;
+
+        if (!skb_queue_empty(&tid->buf_q)) {
+                ath_tx_queue_tid(txq, tid);
+                ath_txq_schedule(sc, txq);
+        }
+
+        ath_txq_unlock_complete(sc, txq);
 }
 
 /********************/
@@ -2409,12 +2374,10 @@ void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an)
                 tid->baw_head  = tid->baw_tail = 0;
                 tid->sched     = false;
                 tid->paused    = false;
-                tid->state &= ~AGGR_CLEANUP;
+                tid->active        = false;
                 __skb_queue_head_init(&tid->buf_q);
                 acno = TID_TO_WME_AC(tidno);
                 tid->ac = &an->ac[acno];
-                tid->state &= ~AGGR_ADDBA_COMPLETE;
-                tid->state &= ~AGGR_ADDBA_PROGRESS;
         }
 
         for (acno = 0, ac = &an->ac[acno];
@@ -2451,8 +2414,7 @@ void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an)
                 }
 
                 ath_tid_drain(sc, txq, tid);
-                tid->state &= ~AGGR_ADDBA_COMPLETE;
-                tid->state &= ~AGGR_CLEANUP;
+                tid->active = false;
 
                 ath_txq_unlock(sc, txq);
         }
diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c
index 830bb1d1f957..b827d51c30a3 100644
--- a/drivers/net/wireless/atmel.c
+++ b/drivers/net/wireless/atmel.c
@@ -1624,7 +1624,7 @@ struct net_device *init_atmel_card(unsigned short irq, unsigned long port,
 
         netif_carrier_off(dev);
 
-        if (!proc_create_data("driver/atmel", 0, NULL, &atmel_proc_fops, priv));
+        if (!proc_create_data("driver/atmel", 0, NULL, &atmel_proc_fops, priv))
                 printk(KERN_WARNING "atmel: unable to create /proc entry.\n");
 
         printk(KERN_INFO "%s: Atmel at76c50x. Version %d.%d. MAC %pM\n",
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 6dd07e2ec595..a95b77ab360e 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -2458,7 +2458,7 @@ static void b43_request_firmware(struct work_struct *work)
         for (i = 0; i < B43_NR_FWTYPES; i++) {
                 errmsg = ctx->errors[i];
                 if (strlen(errmsg))
-                        b43err(dev->wl, errmsg);
+                        b43err(dev->wl, "%s", errmsg);
         }
         b43_print_fw_helptext(dev->wl, 1);
         goto out;
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c
index be0787cab24f..9431af2465f3 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c
@@ -27,7 +27,6 @@
 #include "tracepoint.h"
 
 #define PKTFILTER_BUF_SIZE              128
-#define BRCMF_ARPOL_MODE                0xb     /* agent|snoop|peer_autoreply */
 #define BRCMF_DEFAULT_BCN_TIMEOUT       3
 #define BRCMF_DEFAULT_SCAN_CHANNEL_TIME 40
 #define BRCMF_DEFAULT_SCAN_UNASSOC_TIME 40
@@ -338,23 +337,6 @@ int brcmf_c_preinit_dcmds(struct brcmf_if *ifp)
                 goto done;
         }
 
-        /* Try to set and enable ARP offload feature, this may fail */
-        err = brcmf_fil_iovar_int_set(ifp, "arp_ol", BRCMF_ARPOL_MODE);
-        if (err) {
-                brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n",
-                          BRCMF_ARPOL_MODE, err);
-                err = 0;
-        } else {
-                err = brcmf_fil_iovar_int_set(ifp, "arpoe", 1);
-                if (err) {
-                        brcmf_dbg(TRACE, "failed to enable ARP offload err = %d\n",
-                                  err);
-                        err = 0;
-                } else
-                        brcmf_dbg(TRACE, "successfully enabled ARP offload to 0x%x\n",
-                                  BRCMF_ARPOL_MODE);
-        }
-
         /* Setup packet filter */
         brcmf_c_pktfilter_offload_set(ifp, BRCMF_DEFAULT_PACKET_FILTER);
         brcmf_c_pktfilter_offload_enable(ifp, BRCMF_DEFAULT_PACKET_FILTER,
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
index 59c25463e428..b98f2235978e 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
@@ -653,10 +653,13 @@ int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked)
 
         brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name);
 
+        ndev->destructor = free_netdev;
         return 0;
 
 fail:
+        drvr->iflist[ifp->bssidx] = NULL;
         ndev->netdev_ops = NULL;
+        free_netdev(ndev);
         return -EBADE;
 }
 
@@ -720,6 +723,9 @@ static int brcmf_net_p2p_attach(struct brcmf_if *ifp)
         return 0;
 
 fail:
+        ifp->drvr->iflist[ifp->bssidx] = NULL;
+        ndev->netdev_ops = NULL;
+        free_netdev(ndev);
         return -EBADE;
 }
 
@@ -788,6 +794,7 @@ void brcmf_del_if(struct brcmf_pub *drvr, s32 bssidx)
         struct brcmf_if *ifp;
 
         ifp = drvr->iflist[bssidx];
+        drvr->iflist[bssidx] = NULL;
         if (!ifp) {
                 brcmf_err("Null interface, idx=%d\n", bssidx);
                 return;
@@ -808,15 +815,13 @@ void brcmf_del_if(struct brcmf_pub *drvr, s32 bssidx)
                         cancel_work_sync(&ifp->setmacaddr_work);
                         cancel_work_sync(&ifp->multicast_work);
                 }
-
+                /* unregister will take care of freeing it */
                 unregister_netdev(ifp->ndev);
                 if (bssidx == 0)
                         brcmf_cfg80211_detach(drvr->config);
-                free_netdev(ifp->ndev);
         } else {
                 kfree(ifp);
         }
-        drvr->iflist[bssidx] = NULL;
 }
 
 int brcmf_attach(uint bus_hdrlen, struct device *dev)
@@ -925,8 +930,6 @@ fail:
                         brcmf_fws_del_interface(ifp);
                         brcmf_fws_deinit(drvr);
                 }
-                free_netdev(ifp->ndev);
-                drvr->iflist[0] = NULL;
                 if (p2p_ifp) {
                         free_netdev(p2p_ifp->ndev);
                         drvr->iflist[1] = NULL;
@@ -934,7 +937,8 @@ fail:
                 return ret;
         }
         if ((brcmf_p2p_enable) && (p2p_ifp))
-                brcmf_net_p2p_attach(p2p_ifp);
+                if (brcmf_net_p2p_attach(p2p_ifp) < 0)
+                        brcmf_p2p_enable = 0;
 
         return 0;
 }
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fweh.c b/drivers/net/wireless/brcm80211/brcmfmac/fweh.c
index 5a64280e6485..83ee53a7c76e 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/fweh.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/fweh.c
@@ -202,7 +202,8 @@ static void brcmf_fweh_handle_if_event(struct brcmf_pub *drvr,
                         return;
                 brcmf_fws_add_interface(ifp);
                 if (!drvr->fweh.evt_handler[BRCMF_E_IF])
-                        err = brcmf_net_attach(ifp, false);
+                        if (brcmf_net_attach(ifp, false) < 0)
+                                return;
         }
 
         if (ifevent->action == BRCMF_E_IF_CHANGE)
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h b/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h
index 0f2c83bc95dc..665ef69e974b 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h
+++ b/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h
@@ -23,6 +23,12 @@
 
 #define BRCMF_FIL_ACTION_FRAME_SIZE     1800
 
+/* ARP Offload feature flags for arp_ol iovar */
+#define BRCMF_ARP_OL_AGENT              0x00000001
+#define BRCMF_ARP_OL_SNOOP              0x00000002
+#define BRCMF_ARP_OL_HOST_AUTO_REPLY    0x00000004
+#define BRCMF_ARP_OL_PEER_AUTO_REPLY    0x00000008
+
 
 enum brcmf_fil_p2p_if_types {
         BRCMF_FIL_P2P_IF_CLIENT,
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/brcm80211/brcmfmac/p2p.c
index e7a1a4770996..79555f006d53 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/p2p.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/p2p.c
@@ -47,6 +47,7 @@
 #define IS_P2P_SOCIAL_CHANNEL(channel) ((channel == SOCIAL_CHAN_1) || \
                                          (channel == SOCIAL_CHAN_2) || \
                                          (channel == SOCIAL_CHAN_3))
+#define BRCMF_P2P_TEMP_CHAN     SOCIAL_CHAN_3
 #define SOCIAL_CHAN_CNT         3
 #define AF_PEER_SEARCH_CNT      2
 
@@ -1954,21 +1955,21 @@ s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg)
                 err = brcmf_fil_iovar_int_set(pri_ifp, "p2p_disc", 1);
                 if (err < 0) {
                         brcmf_err("set p2p_disc error\n");
-                        brcmf_free_vif(p2p_vif);
+                        brcmf_free_vif(cfg, p2p_vif);
                         goto exit;
                 }
                 /* obtain bsscfg index for P2P discovery */
                 err = brcmf_fil_iovar_int_get(pri_ifp, "p2p_dev", &bssidx);
                 if (err < 0) {
                         brcmf_err("retrieving discover bsscfg index failed\n");
-                        brcmf_free_vif(p2p_vif);
+                        brcmf_free_vif(cfg, p2p_vif);
                         goto exit;
                 }
                 /* Verify that firmware uses same bssidx as driver !! */
                 if (p2p_ifp->bssidx != bssidx) {
                         brcmf_err("Incorrect bssidx=%d, compared to p2p_ifp->bssidx=%d\n",
                                   bssidx, p2p_ifp->bssidx);
-                        brcmf_free_vif(p2p_vif);
+                        brcmf_free_vif(cfg, p2p_vif);
                         goto exit;
                 }
 
@@ -1996,7 +1997,7 @@ void brcmf_p2p_detach(struct brcmf_p2p_info *p2p)
                 brcmf_p2p_cancel_remain_on_channel(vif->ifp);
                 brcmf_p2p_deinit_discovery(p2p);
                 /* remove discovery interface */
-                brcmf_free_vif(vif);
+                brcmf_free_vif(p2p->cfg, vif);
                 p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif = NULL;
         }
         /* just set it all to zero */
@@ -2013,17 +2014,30 @@ static void brcmf_p2p_get_current_chanspec(struct brcmf_p2p_info *p2p,
                                            u16 *chanspec)
 {
         struct brcmf_if *ifp;
-        struct brcmf_fil_chan_info_le ci;
+        u8 mac_addr[ETH_ALEN];
         struct brcmu_chan ch;
-        s32 err;
+        struct brcmf_bss_info_le *bi;
+        u8 *buf;
 
         ifp = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
 
-        ch.chnum = 11;
-
-        err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_CHANNEL, &ci, sizeof(ci));
-        if (!err)
-                ch.chnum = le32_to_cpu(ci.hw_channel);
+        if (brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSSID, mac_addr,
+                                   ETH_ALEN) == 0) {
+                buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
+                if (buf != NULL) {
+                        *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
+                        if (brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
+                                                   buf, WL_BSS_INFO_MAX) == 0) {
+                                bi = (struct brcmf_bss_info_le *)(buf + 4);
+                                *chanspec = le16_to_cpu(bi->chanspec);
+                                kfree(buf);
+                                return;
+                        }
+                        kfree(buf);
+                }
+        }
+        /* Use default channel for P2P */
+        ch.chnum = BRCMF_P2P_TEMP_CHAN;
         ch.bw = BRCMU_CHAN_BW_20;
         p2p->cfg->d11inf.encchspec(&ch);
         *chanspec = ch.chspec;
@@ -2208,7 +2222,7 @@ static struct wireless_dev *brcmf_p2p_create_p2pdev(struct brcmf_p2p_info *p2p,
         return &p2p_vif->wdev;
 
 fail:
-        brcmf_free_vif(p2p_vif);
+        brcmf_free_vif(p2p->cfg, p2p_vif);
         return ERR_PTR(err);
 }
 
@@ -2217,13 +2231,31 @@ fail:
  *
  * @vif: virtual interface object to delete.
  */
-static void brcmf_p2p_delete_p2pdev(struct brcmf_cfg80211_vif *vif)
+static void brcmf_p2p_delete_p2pdev(struct brcmf_cfg80211_info *cfg,
+                                    struct brcmf_cfg80211_vif *vif)
 {
-        struct brcmf_p2p_info *p2p = &vif->ifp->drvr->config->p2p;
-
         cfg80211_unregister_wdev(&vif->wdev);
-        p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif = NULL;
-        brcmf_free_vif(vif);
+        cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif = NULL;
+        brcmf_free_vif(cfg, vif);
+}
+
+/**
+ * brcmf_p2p_free_p2p_if() - free up net device related data.
+ *
+ * @ndev: net device that needs to be freed.
+ */
+static void brcmf_p2p_free_p2p_if(struct net_device *ndev)
+{
+        struct brcmf_cfg80211_info *cfg;
+        struct brcmf_cfg80211_vif *vif;
+        struct brcmf_if *ifp;
+
+        ifp = netdev_priv(ndev);
+        cfg = ifp->drvr->config;
+        vif = ifp->vif;
+
+        brcmf_free_vif(cfg, vif);
+        free_netdev(ifp->ndev);
 }
 
 /**
@@ -2303,6 +2335,9 @@ struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name,
                 brcmf_err("Registering netdevice failed\n");
                 goto fail;
         }
+        /* override destructor */
+        ifp->ndev->destructor = brcmf_p2p_free_p2p_if;
+
         cfg->p2p.bss_idx[P2PAPI_BSSCFG_CONNECTION].vif = vif;
         /* Disable firmware roaming for P2P interface  */
         brcmf_fil_iovar_int_set(ifp, "roam_off", 1);
@@ -2314,7 +2349,7 @@ struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name,
         return &ifp->vif->wdev;
 
 fail:
-        brcmf_free_vif(vif);
+        brcmf_free_vif(cfg, vif);
         return ERR_PTR(err);
 }
 
@@ -2350,7 +2385,7 @@ int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev)
                 break;
 
         case NL80211_IFTYPE_P2P_DEVICE:
-                brcmf_p2p_delete_p2pdev(vif);
+                brcmf_p2p_delete_p2pdev(cfg, vif);
                 return 0;
         default:
                 return -ENOTSUPP;
@@ -2378,7 +2413,6 @@ int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev)
                         err = 0;
         }
         brcmf_cfg80211_arm_vif_event(cfg, NULL);
-        brcmf_free_vif(vif);
         p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION].vif = NULL;
 
         return err;
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
index 6d758f285352..301e572e8923 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
@@ -459,6 +459,38 @@ send_key_to_dongle(struct net_device *ndev, struct brcmf_wsec_key *key)
         return err;
 }
 
+static s32
+brcmf_configure_arp_offload(struct brcmf_if *ifp, bool enable)
+{
+        s32 err;
+        u32 mode;
+
+        if (enable)
+                mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY;
+        else
+                mode = 0;
+
+        /* Try to set and enable ARP offload feature, this may fail, then it  */
+        /* is simply not supported and err 0 will be returned                 */
+        err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode);
+        if (err) {
+                brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n",
+                          mode, err);
+                err = 0;
+        } else {
+                err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable);
+                if (err) {
+                        brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n",
+                                  enable, err);
+                        err = 0;
+                } else
+                        brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n",
+                                  enable, mode);
+        }
+
+        return err;
+}
+
 static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy,
                                                      const char *name,
                                                      enum nl80211_iftype type,
@@ -2216,6 +2248,11 @@ brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
         }
 
         pm = enabled ? PM_FAST : PM_OFF;
+        /* Do not enable the power save after assoc if it is a p2p interface */
+        if (ifp->vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) {
+                brcmf_dbg(INFO, "Do not enable power save for P2P clients\n");
+                pm = PM_OFF;
+        }
         brcmf_dbg(INFO, "power save %s\n", (pm ? "enabled" : "disabled"));
 
         err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm);
@@ -3640,10 +3677,28 @@ brcmf_config_ap_mgmt_ie(struct brcmf_cfg80211_vif *vif,
 }
 
 static s32
+brcmf_cfg80211_set_channel(struct brcmf_cfg80211_info *cfg,
+                           struct brcmf_if *ifp,
+                           struct ieee80211_channel *channel)
+{
+        u16 chanspec;
+        s32 err;
+
+        brcmf_dbg(TRACE, "band=%d, center_freq=%d\n", channel->band,
+                  channel->center_freq);
+
+        chanspec = channel_to_chanspec(&cfg->d11inf, channel);
+        err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec);
+
+        return err;
+}
+
+static s32
 brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
                         struct cfg80211_ap_settings *settings)
 {
         s32 ie_offset;
+        struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
         struct brcmf_if *ifp = netdev_priv(ndev);
         struct brcmf_tlv *ssid_ie;
         struct brcmf_ssid_le ssid_le;
@@ -3683,6 +3738,7 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
         }
 
         brcmf_set_mpc(ifp, 0);
+        brcmf_configure_arp_offload(ifp, false);
 
         /* find the RSN_IE */
         rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
@@ -3713,6 +3769,12 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
 
         brcmf_config_ap_mgmt_ie(ifp->vif, &settings->beacon);
 
+        err = brcmf_cfg80211_set_channel(cfg, ifp, settings->chandef.chan);
+        if (err < 0) {
+                brcmf_err("Set Channel failed, %d\n", err);
+                goto exit;
+        }
+
         if (settings->beacon_interval) {
                 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD,
                                             settings->beacon_interval);
@@ -3789,8 +3851,10 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
         set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
 
 exit:
-        if (err)
+        if (err) {
                 brcmf_set_mpc(ifp, 1);
+                brcmf_configure_arp_offload(ifp, true);
+        }
         return err;
 }
 
@@ -3831,6 +3895,7 @@ static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
                         brcmf_err("bss_enable config failed %d\n", err);
         }
         brcmf_set_mpc(ifp, 1);
+        brcmf_configure_arp_offload(ifp, true);
         set_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
         clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
 
@@ -4140,11 +4205,15 @@ static const struct ieee80211_iface_limit brcmf_iface_limits[] = {
                 .types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
                          BIT(NL80211_IFTYPE_P2P_GO)
         },
+        {
+                .max = 1,
+                .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
+        }
 };
 static const struct ieee80211_iface_combination brcmf_iface_combos[] = {
         {
                  .max_interfaces = BRCMF_IFACE_MAX_CNT,
-                 .num_different_channels = 1, /* no multi-channel for now */
+                 .num_different_channels = 2,
                  .n_limits = ARRAY_SIZE(brcmf_iface_limits),
                  .limits = brcmf_iface_limits
         }
@@ -4197,7 +4266,8 @@ static struct wiphy *brcmf_setup_wiphy(struct device *phydev)
                                  BIT(NL80211_IFTYPE_ADHOC) |
                                  BIT(NL80211_IFTYPE_AP) |
                                  BIT(NL80211_IFTYPE_P2P_CLIENT) |
-                                 BIT(NL80211_IFTYPE_P2P_GO);
+                                 BIT(NL80211_IFTYPE_P2P_GO) |
+                                 BIT(NL80211_IFTYPE_P2P_DEVICE);
         wiphy->iface_combinations = brcmf_iface_combos;
         wiphy->n_iface_combinations = ARRAY_SIZE(brcmf_iface_combos);
         wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz;
@@ -4251,20 +4321,16 @@ struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
         return vif;
 }
 
-void brcmf_free_vif(struct brcmf_cfg80211_vif *vif)
+void brcmf_free_vif(struct brcmf_cfg80211_info *cfg,
+                    struct brcmf_cfg80211_vif *vif)
 {
-        struct brcmf_cfg80211_info *cfg;
-        struct wiphy *wiphy;
-
-        wiphy = vif->wdev.wiphy;
-        cfg = wiphy_priv(wiphy);
         list_del(&vif->list);
         cfg->vif_cnt--;
 
         kfree(vif);
         if (!cfg->vif_cnt) {
-                wiphy_unregister(wiphy);
-                wiphy_free(wiphy);
+                wiphy_unregister(cfg->wiphy);
+                wiphy_free(cfg->wiphy);
         }
 }
 
@@ -4641,7 +4707,6 @@ static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
                 return 0;
 
         case BRCMF_E_IF_DEL:
-                ifp->vif = NULL;
                 mutex_unlock(&event->vif_event_lock);
                 /* event may not be upon user request */
                 if (brcmf_cfg80211_vif_event_armed(cfg))
@@ -4847,8 +4912,7 @@ cfg80211_p2p_attach_out:
         wl_deinit_priv(cfg);
 
 cfg80211_attach_out:
-        brcmf_free_vif(vif);
-        wiphy_free(wiphy);
+        brcmf_free_vif(cfg, vif);
         return NULL;
 }
 
@@ -4860,7 +4924,7 @@ void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg)
         wl_deinit_priv(cfg);
         brcmf_btcoex_detach(cfg);
         list_for_each_entry_safe(vif, tmp, &cfg->vif_list, list) {
-                brcmf_free_vif(vif);
+                brcmf_free_vif(cfg, vif);
         }
 }
 
@@ -5224,6 +5288,8 @@ static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg)
         if (err)
                 goto default_conf_out;
 
+        brcmf_configure_arp_offload(ifp, true);
+
         cfg->dongle_up = true;
 default_conf_out:
 
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h
index a71cff84cdcf..d9bdaf9a72d0 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h
@@ -487,7 +487,8 @@ enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp);
 struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
                                            enum nl80211_iftype type,
                                            bool pm_block);
-void brcmf_free_vif(struct brcmf_cfg80211_vif *vif);
+void brcmf_free_vif(struct brcmf_cfg80211_info *cfg,
+                    struct brcmf_cfg80211_vif *vif);
 
 s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
                           const u8 *vndr_ie_buf, u32 vndr_ie_len);
diff --git a/drivers/net/wireless/iwlegacy/common.c b/drivers/net/wireless/iwlegacy/common.c
index 592d0aa634a8..e9a3cbc409ae 100644
--- a/drivers/net/wireless/iwlegacy/common.c
+++ b/drivers/net/wireless/iwlegacy/common.c
@@ -1423,7 +1423,7 @@ il_setup_rx_scan_handlers(struct il_priv *il)
 }
 EXPORT_SYMBOL(il_setup_rx_scan_handlers);
 
-inline u16
+u16
 il_get_active_dwell_time(struct il_priv *il, enum ieee80211_band band,
                          u8 n_probes)
 {
diff --git a/drivers/net/wireless/iwlegacy/common.h b/drivers/net/wireless/iwlegacy/common.h
index f8246f2d88f9..4caaf52986a4 100644
--- a/drivers/net/wireless/iwlegacy/common.h
+++ b/drivers/net/wireless/iwlegacy/common.h
@@ -1832,16 +1832,16 @@ u32 il_usecs_to_beacons(struct il_priv *il, u32 usec, u32 beacon_interval);
 __le32 il_add_beacon_time(struct il_priv *il, u32 base, u32 addon,
                           u32 beacon_interval);
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 extern const struct dev_pm_ops il_pm_ops;
 
 #define IL_LEGACY_PM_OPS        (&il_pm_ops)
 
-#else /* !CONFIG_PM */
+#else /* !CONFIG_PM_SLEEP */
 
 #define IL_LEGACY_PM_OPS        NULL
 
-#endif /* !CONFIG_PM */
+#endif /* !CONFIG_PM_SLEEP */
 
 /*****************************************************
 *  Error Handling Debugging
diff --git a/drivers/net/wireless/iwlwifi/dvm/sta.c b/drivers/net/wireless/iwlwifi/dvm/sta.c
index db183b44e038..c3c13ce96eb0 100644
--- a/drivers/net/wireless/iwlwifi/dvm/sta.c
+++ b/drivers/net/wireless/iwlwifi/dvm/sta.c
@@ -735,7 +735,7 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
                                         memcpy(&lq, priv->stations[i].lq,
                                                sizeof(struct iwl_link_quality_cmd));
 
-                                if (!memcmp(&lq, &zero_lq, sizeof(lq)))
+                                if (memcmp(&lq, &zero_lq, sizeof(lq)))
                                         send_lq = true;
                         }
                         spin_unlock_bh(&priv->sta_lock);
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/iwlwifi/mvm/fw-api.h
index 191dcae8ba47..c6384555aab4 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw-api.h
+++ b/drivers/net/wireless/iwlwifi/mvm/fw-api.h
@@ -173,6 +173,8 @@ enum {
         REPLY_DEBUG_CMD = 0xf0,
         DEBUG_LOG_MSG = 0xf7,
 
+        MCAST_FILTER_CMD = 0xd0,
+
         /* D3 commands/notifications */
         D3_CONFIG_CMD = 0xd3,
         PROT_OFFLOAD_CONFIG_CMD = 0xd4,
@@ -948,4 +950,29 @@ struct iwl_set_calib_default_cmd {
         u8 data[0];
 } __packed; /* PHY_CALIB_OVERRIDE_VALUES_S */
 
+#define MAX_PORT_ID_NUM 2
+
+/**
+ * struct iwl_mcast_filter_cmd - configure multicast filter.
+ * @filter_own: Set 1 to filter out multicast packets sent by station itself
+ * @port_id:    Multicast MAC addresses array specifier. This is a strange way
+ *              to identify network interface adopted in host-device IF.
+ *              It is used by FW as index in array of addresses. This array has
+ *              MAX_PORT_ID_NUM members.
+ * @count:      Number of MAC addresses in the array
+ * @pass_all:   Set 1 to pass all multicast packets.
+ * @bssid:      current association BSSID.
+ * @addr_list:  Place holder for array of MAC addresses.
+ *              IMPORTANT: add padding if necessary to ensure DWORD alignment.
+ */
+struct iwl_mcast_filter_cmd {
+        u8 filter_own;
+        u8 port_id;
+        u8 count;
+        u8 pass_all;
+        u8 bssid[6];
+        u8 reserved[2];
+        u8 addr_list[0];
+} __packed; /* MCAST_FILTERING_CMD_API_S_VER_1 */
+
 #endif /* __fw_api_h__ */
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
index e6eca4d66f6c..b2cc3d98e0f7 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
@@ -586,10 +586,12 @@ static int iwl_mvm_mac_ctxt_send_cmd(struct iwl_mvm *mvm,
  */
 static void iwl_mvm_mac_ctxt_cmd_fill_sta(struct iwl_mvm *mvm,
                                           struct ieee80211_vif *vif,
-                                          struct iwl_mac_data_sta *ctxt_sta)
+                                          struct iwl_mac_data_sta *ctxt_sta,
+                                          bool force_assoc_off)
 {
         /* We need the dtim_period to set the MAC as associated */
-        if (vif->bss_conf.assoc && vif->bss_conf.dtim_period) {
+        if (vif->bss_conf.assoc && vif->bss_conf.dtim_period &&
+            !force_assoc_off) {
                 u32 dtim_offs;
 
                 /*
@@ -659,7 +661,8 @@ static int iwl_mvm_mac_ctxt_cmd_station(struct iwl_mvm *mvm,
                 cmd.filter_flags &= ~cpu_to_le32(MAC_FILTER_IN_BEACON);
 
         /* Fill the data specific for station mode */
-        iwl_mvm_mac_ctxt_cmd_fill_sta(mvm, vif, &cmd.sta);
+        iwl_mvm_mac_ctxt_cmd_fill_sta(mvm, vif, &cmd.sta,
+                                      action == FW_CTXT_ACTION_ADD);
 
         return iwl_mvm_mac_ctxt_send_cmd(mvm, &cmd);
 }
@@ -677,7 +680,8 @@ static int iwl_mvm_mac_ctxt_cmd_p2p_client(struct iwl_mvm *mvm,
         iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action);
 
         /* Fill the data specific for station mode */
-        iwl_mvm_mac_ctxt_cmd_fill_sta(mvm, vif, &cmd.p2p_sta.sta);
+        iwl_mvm_mac_ctxt_cmd_fill_sta(mvm, vif, &cmd.p2p_sta.sta,
+                                      action == FW_CTXT_ACTION_ADD);
 
         cmd.p2p_sta.ctwin = cpu_to_le32(noa->oppps_ctwindow &
                                         IEEE80211_P2P_OPPPS_CTWINDOW_MASK);
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index dd158ec571fb..a5eb8c82f16a 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -701,6 +701,20 @@ static void iwl_mvm_configure_filter(struct ieee80211_hw *hw,
         *total_flags = 0;
 }
 
+static int iwl_mvm_configure_mcast_filter(struct iwl_mvm *mvm,
+                                          struct ieee80211_vif *vif)
+{
+        struct iwl_mcast_filter_cmd mcast_filter_cmd = {
+                .pass_all = 1,
+        };
+
+        memcpy(mcast_filter_cmd.bssid, vif->bss_conf.bssid, ETH_ALEN);
+
+        return iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_SYNC,
+                                    sizeof(mcast_filter_cmd),
+                                    &mcast_filter_cmd);
+}
+
 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
                                              struct ieee80211_vif *vif,
                                              struct ieee80211_bss_conf *bss_conf,
@@ -722,6 +736,7 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
                                 return;
                         }
                         iwl_mvm_bt_coex_vif_assoc(mvm, vif);
+                        iwl_mvm_configure_mcast_filter(mvm, vif);
                 } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
                         /* remove AP station now that the MAC is unassoc */
                         ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id);
@@ -931,7 +946,7 @@ static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
 
         switch (cmd) {
         case STA_NOTIFY_SLEEP:
-                if (atomic_read(&mvmsta->pending_frames) > 0)
+                if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0)
                         ieee80211_sta_block_awake(hw, sta, true);
                 /*
                  * The fw updates the STA to be asleep. Tx packets on the Tx
diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index 8269bc562951..9f46b23801bc 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -292,6 +292,7 @@ struct iwl_mvm {
         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
         struct work_struct sta_drained_wk;
         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
+        atomic_t pending_frames[IWL_MVM_STATION_COUNT];
 
         /* configured by mac80211 */
         u32 rts_threshold;
diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c
index fe031d304d1e..b29c31a41594 100644
--- a/drivers/net/wireless/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/iwlwifi/mvm/ops.c
@@ -292,6 +292,7 @@ static const char *iwl_mvm_cmd_strings[REPLY_MAX] = {
         CMD(BT_COEX_PROT_ENV),
         CMD(BT_PROFILE_NOTIFICATION),
         CMD(BT_CONFIG),
+        CMD(MCAST_FILTER_CMD),
 };
 #undef CMD
 
diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c
index 2157b0f8ced5..2476e43799d5 100644
--- a/drivers/net/wireless/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/iwlwifi/mvm/scan.c
@@ -298,6 +298,12 @@ int iwl_mvm_scan_request(struct iwl_mvm *mvm,
         else
                 cmd->type = cpu_to_le32(SCAN_TYPE_FORCED);
 
+        /*
+         * TODO: This is a WA due to a bug in the FW AUX framework that does not
+         * properly handle time events that fail to be scheduled
+         */
+        cmd->type = cpu_to_le32(SCAN_TYPE_FORCED);
+
         cmd->repeats = cpu_to_le32(1);
 
         /*
diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c
index 0fd96e4da461..5c664ed54400 100644
--- a/drivers/net/wireless/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/iwlwifi/mvm/sta.c
@@ -219,7 +219,7 @@ int iwl_mvm_add_sta(struct iwl_mvm *mvm,
         mvm_sta->max_agg_bufsize = LINK_QUAL_AGG_FRAME_LIMIT_DEF;
 
         /* HW restart, don't assume the memory has been zeroed */
-        atomic_set(&mvm_sta->pending_frames, 0);
+        atomic_set(&mvm->pending_frames[sta_id], 0);
         mvm_sta->tid_disable_agg = 0;
         mvm_sta->tfd_queue_msk = 0;
         for (i = 0; i < IEEE80211_NUM_ACS; i++)
@@ -407,14 +407,21 @@ int iwl_mvm_rm_sta(struct iwl_mvm *mvm,
         }
 
         /*
+         * Make sure that the tx response code sees the station as -EBUSY and
+         * calls the drain worker.
+         */
+        spin_lock_bh(&mvm_sta->lock);
+        /*
          * There are frames pending on the AC queues for this station.
          * We need to wait until all the frames are drained...
          */
-        if (atomic_read(&mvm_sta->pending_frames)) {
-                ret = iwl_mvm_drain_sta(mvm, mvm_sta, true);
+        if (atomic_read(&mvm->pending_frames[mvm_sta->sta_id])) {
                 rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id],
                                    ERR_PTR(-EBUSY));
+                spin_unlock_bh(&mvm_sta->lock);
+                ret = iwl_mvm_drain_sta(mvm, mvm_sta, true);
         } else {
+                spin_unlock_bh(&mvm_sta->lock);
                 ret = iwl_mvm_rm_sta_common(mvm, mvm_sta->sta_id);
                 rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], NULL);
         }
diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.h b/drivers/net/wireless/iwlwifi/mvm/sta.h
index 12abd2d71835..a4ddce77aaae 100644
--- a/drivers/net/wireless/iwlwifi/mvm/sta.h
+++ b/drivers/net/wireless/iwlwifi/mvm/sta.h
@@ -274,7 +274,6 @@ struct iwl_mvm_tid_data {
  * @bt_reduced_txpower: is reduced tx power enabled for this station
  * @lock: lock to protect the whole struct. Since %tid_data is access from Tx
  * and from Tx response flow, it needs a spinlock.
- * @pending_frames: number of frames for this STA on the shared Tx queues.
  * @tid_data: per tid data. Look at %iwl_mvm_tid_data.
  *
  * When mac80211 creates a station it reserves some space (hw->sta_data_size)
@@ -290,7 +289,6 @@ struct iwl_mvm_sta {
         u8 max_agg_bufsize;
         bool bt_reduced_txpower;
         spinlock_t lock;
-        atomic_t pending_frames;
         struct iwl_mvm_tid_data tid_data[IWL_MAX_TID_COUNT];
         struct iwl_lq_sta lq_sta;
         struct ieee80211_vif *vif;
diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c
index 479074303bd7..f212f16502ff 100644
--- a/drivers/net/wireless/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/iwlwifi/mvm/tx.c
@@ -416,9 +416,8 @@ int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
 
         spin_unlock(&mvmsta->lock);
 
-        if (mvmsta->vif->type == NL80211_IFTYPE_AP &&
-            txq_id < IWL_MVM_FIRST_AGG_QUEUE)
-                atomic_inc(&mvmsta->pending_frames);
+        if (txq_id < IWL_MVM_FIRST_AGG_QUEUE)
+                atomic_inc(&mvm->pending_frames[mvmsta->sta_id]);
 
         return 0;
 
@@ -680,16 +679,41 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
         /*
          * If the txq is not an AMPDU queue, there is no chance we freed
          * several skbs. Check that out...
-         * If there are no pending frames for this STA, notify mac80211 that
-         * this station can go to sleep in its STA table.
          */
-        if (txq_id < IWL_MVM_FIRST_AGG_QUEUE && mvmsta &&
-            !WARN_ON(skb_freed > 1) &&
-            mvmsta->vif->type == NL80211_IFTYPE_AP &&
-            atomic_sub_and_test(skb_freed, &mvmsta->pending_frames)) {
-                ieee80211_sta_block_awake(mvm->hw, sta, false);
-                set_bit(sta_id, mvm->sta_drained);
-                schedule_work(&mvm->sta_drained_wk);
+        if (txq_id < IWL_MVM_FIRST_AGG_QUEUE && !WARN_ON(skb_freed > 1) &&
+            atomic_sub_and_test(skb_freed, &mvm->pending_frames[sta_id])) {
+                if (mvmsta) {
+                        /*
+                         * If there are no pending frames for this STA, notify
+                         * mac80211 that this station can go to sleep in its
+                         * STA table.
+                         */
+                        if (mvmsta->vif->type == NL80211_IFTYPE_AP)
+                                ieee80211_sta_block_awake(mvm->hw, sta, false);
+                        /*
+                         * We might very well have taken mvmsta pointer while
+                         * the station was being removed. The remove flow might
+                         * have seen a pending_frame (because we didn't take
+                         * the lock) even if now the queues are drained. So make
+                         * really sure now that this the station is not being
+                         * removed. If it is, run the drain worker to remove it.
+                         */
+                        spin_lock_bh(&mvmsta->lock);
+                        sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
+                        if (IS_ERR_OR_NULL(sta)) {
+                                /*
+                                 * Station disappeared in the meantime:
+                                 * so we are draining.
+                                 */
+                                set_bit(sta_id, mvm->sta_drained);
+                                schedule_work(&mvm->sta_drained_wk);
+                        }
+                        spin_unlock_bh(&mvmsta->lock);
+                } else if (!mvmsta) {
+                        /* Tx response without STA, so we are draining */
+                        set_bit(sta_id, mvm->sta_drained);
+                        schedule_work(&mvm->sta_drained_wk);
+                }
         }
 
         rcu_read_unlock();
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index b878a32e7a98..cb34c7895f2a 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -1723,11 +1723,11 @@ static void mac80211_hwsim_free(void)
         class_destroy(hwsim_class);
 }
 
-
-static struct device_driver mac80211_hwsim_driver = {
-        .name = "mac80211_hwsim",
-        .bus = &platform_bus_type,
-        .owner = THIS_MODULE,
+static struct platform_driver mac80211_hwsim_driver = {
+        .driver = {
+                .name = "mac80211_hwsim",
+                .owner = THIS_MODULE,
+        },
 };
 
 static const struct net_device_ops hwsim_netdev_ops = {
@@ -2219,7 +2219,7 @@ static int __init init_mac80211_hwsim(void)
         spin_lock_init(&hwsim_radio_lock);
         INIT_LIST_HEAD(&hwsim_radios);
 
-        err = driver_register(&mac80211_hwsim_driver);
+        err = platform_driver_register(&mac80211_hwsim_driver);
         if (err)
                 return err;
 
@@ -2254,7 +2254,7 @@ static int __init init_mac80211_hwsim(void)
                         err = -ENOMEM;
                         goto failed_drvdata;
                 }
-                data->dev->driver = &mac80211_hwsim_driver;
+                data->dev->driver = &mac80211_hwsim_driver.driver;
                 err = device_bind_driver(data->dev);
                 if (err != 0) {
                         printk(KERN_DEBUG
@@ -2564,7 +2564,7 @@ failed_drvdata:
 failed:
         mac80211_hwsim_free();
 failed_unregister_driver:
-        driver_unregister(&mac80211_hwsim_driver);
+        platform_driver_unregister(&mac80211_hwsim_driver);
         return err;
 }
 module_init(init_mac80211_hwsim);
@@ -2577,6 +2577,6 @@ static void __exit exit_mac80211_hwsim(void)
 
         mac80211_hwsim_free();
         unregister_netdev(hwsim_mon);
-        driver_unregister(&mac80211_hwsim_driver);
+        platform_driver_unregister(&mac80211_hwsim_driver);
 }
 module_exit(exit_mac80211_hwsim);
diff --git a/drivers/net/wireless/mwifiex/debugfs.c b/drivers/net/wireless/mwifiex/debugfs.c
index 753b5682d53f..a5f9875cfd6e 100644
--- a/drivers/net/wireless/mwifiex/debugfs.c
+++ b/drivers/net/wireless/mwifiex/debugfs.c
@@ -26,10 +26,17 @@
 static struct dentry *mwifiex_dfs_dir;
 
 static char *bss_modes[] = {
-        "Unknown",
-        "Ad-hoc",
-        "Managed",
-        "Auto"
+        "UNSPECIFIED",
+        "ADHOC",
+        "STATION",
+        "AP",
+        "AP_VLAN",
+        "WDS",
+        "MONITOR",
+        "MESH_POINT",
+        "P2P_CLIENT",
+        "P2P_GO",
+        "P2P_DEVICE",
 };
 
 /* size/addr for mwifiex_debug_info */
@@ -200,7 +207,12 @@ mwifiex_info_read(struct file *file, char __user *ubuf,
         p += sprintf(p, "driver_version = %s", fmt);
         p += sprintf(p, "\nverext = %s", priv->version_str);
         p += sprintf(p, "\ninterface_name=\"%s\"\n", netdev->name);
-        p += sprintf(p, "bss_mode=\"%s\"\n", bss_modes[info.bss_mode]);
+
+        if (info.bss_mode >= ARRAY_SIZE(bss_modes))
+                p += sprintf(p, "bss_mode=\"%d\"\n", info.bss_mode);
+        else
+                p += sprintf(p, "bss_mode=\"%s\"\n", bss_modes[info.bss_mode]);
+
         p += sprintf(p, "media_state=\"%s\"\n",
                      (!priv->media_connected ? "Disconnected" : "Connected"));
         p += sprintf(p, "mac_address=\"%pM\"\n", netdev->dev_addr);
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
index 999ffc12578b..c97e9d327331 100644
--- a/drivers/net/wireless/rtlwifi/pci.c
+++ b/drivers/net/wireless/rtlwifi/pci.c
@@ -764,6 +764,7 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw)
                                  "can't alloc skb for rx\n");
                         goto done;
                 }
+                kmemleak_not_leak(new_skb);
 
                 pci_unmap_single(rtlpci->pdev,
                                  *((dma_addr_t *) skb->cb),
diff --git a/drivers/net/wireless/rtlwifi/rtl8188ee/trx.h b/drivers/net/wireless/rtlwifi/rtl8188ee/trx.h
index d3a02e73f53a..21ca33a7c770 100644
--- a/drivers/net/wireless/rtlwifi/rtl8188ee/trx.h
+++ b/drivers/net/wireless/rtlwifi/rtl8188ee/trx.h
@@ -550,7 +550,7 @@ do {								\
          rxmcs == DESC92C_RATE11M)
 
 struct phy_rx_agc_info_t {
-        #if __LITTLE_ENDIAN
+        #ifdef __LITTLE_ENDIAN
                 u8      gain:7, trsw:1;
         #else
                 u8      trsw:1, gain:7;
@@ -574,7 +574,7 @@ struct phy_status_rpt {
         u8      stream_target_csi[2];
         u8      sig_evm;
         u8      rsvd_3;
-#if __LITTLE_ENDIAN
+#ifdef __LITTLE_ENDIAN
         u8      antsel_rx_keep_2:1;     /*ex_intf_flg:1;*/
         u8      sgi_en:1;
         u8      rxsc:2;
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c
index 3d0498e69c8c..189ba124a8c6 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c
@@ -1973,26 +1973,35 @@ void rtl92cu_set_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val)
         }
 }
 
-void rtl92cu_update_hal_rate_table(struct ieee80211_hw *hw,
-                                   struct ieee80211_sta *sta,
-                                   u8 rssi_level)
+static void rtl92cu_update_hal_rate_table(struct ieee80211_hw *hw,
+                                          struct ieee80211_sta *sta)
 {
         struct rtl_priv *rtlpriv = rtl_priv(hw);
         struct rtl_phy *rtlphy = &(rtlpriv->phy);
         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
-        u32 ratr_value = (u32) mac->basic_rates;
-        u8 *mcsrate = mac->mcs;
+        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+        u32 ratr_value;
         u8 ratr_index = 0;
         u8 nmode = mac->ht_enable;
-        u8 mimo_ps = 1;
-        u16 shortgi_rate = 0;
-        u32 tmp_ratr_value = 0;
+        u8 mimo_ps = IEEE80211_SMPS_OFF;
+        u16 shortgi_rate;
+        u32 tmp_ratr_value;
         u8 curtxbw_40mhz = mac->bw_40;
-        u8 curshortgi_40mhz = mac->sgi_40;
-        u8 curshortgi_20mhz = mac->sgi_20;
+        u8 curshortgi_40mhz = (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40) ?
+                               1 : 0;
+        u8 curshortgi_20mhz = (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20) ?
+                               1 : 0;
         enum wireless_mode wirelessmode = mac->mode;
 
-        ratr_value |= ((*(u16 *) (mcsrate))) << 12;
+        if (rtlhal->current_bandtype == BAND_ON_5G)
+                ratr_value = sta->supp_rates[1] << 4;
+        else
+                ratr_value = sta->supp_rates[0];
+        if (mac->opmode == NL80211_IFTYPE_ADHOC)
+                ratr_value = 0xfff;
+
+        ratr_value |= (sta->ht_cap.mcs.rx_mask[1] << 20 |
+                        sta->ht_cap.mcs.rx_mask[0] << 12);
         switch (wirelessmode) {
         case WIRELESS_MODE_B:
                 if (ratr_value & 0x0000000c)
@@ -2006,7 +2015,7 @@ void rtl92cu_update_hal_rate_table(struct ieee80211_hw *hw,
         case WIRELESS_MODE_N_24G:
         case WIRELESS_MODE_N_5G:
                 nmode = 1;
-                if (mimo_ps == 0) {
+                if (mimo_ps == IEEE80211_SMPS_STATIC) {
                         ratr_value &= 0x0007F005;
                 } else {
                         u32 ratr_mask;
@@ -2016,8 +2025,7 @@ void rtl92cu_update_hal_rate_table(struct ieee80211_hw *hw,
                                 ratr_mask = 0x000ff005;
                         else
                                 ratr_mask = 0x0f0ff005;
-                        if (curtxbw_40mhz)
-                                ratr_mask |= 0x00000010;
+
                         ratr_value &= ratr_mask;
                 }
                 break;
@@ -2026,41 +2034,74 @@ void rtl92cu_update_hal_rate_table(struct ieee80211_hw *hw,
                         ratr_value &= 0x000ff0ff;
                 else
                         ratr_value &= 0x0f0ff0ff;
+
                 break;
         }
+
         ratr_value &= 0x0FFFFFFF;
-        if (nmode && ((curtxbw_40mhz && curshortgi_40mhz) ||
-            (!curtxbw_40mhz && curshortgi_20mhz))) {
+
+        if (nmode && ((curtxbw_40mhz &&
+                         curshortgi_40mhz) || (!curtxbw_40mhz &&
+                                               curshortgi_20mhz))) {
+
                 ratr_value |= 0x10000000;
                 tmp_ratr_value = (ratr_value >> 12);
+
                 for (shortgi_rate = 15; shortgi_rate > 0; shortgi_rate--) {
                         if ((1 << shortgi_rate) & tmp_ratr_value)
                                 break;
                 }
+
                 shortgi_rate = (shortgi_rate << 12) | (shortgi_rate << 8) |
-                               (shortgi_rate << 4) | (shortgi_rate);
+                    (shortgi_rate << 4) | (shortgi_rate);
         }
+
         rtl_write_dword(rtlpriv, REG_ARFR0 + ratr_index * 4, ratr_value);
+
+        RT_TRACE(rtlpriv, COMP_RATR, DBG_DMESG, "%x\n",
+                 rtl_read_dword(rtlpriv, REG_ARFR0));
 }
 
-void rtl92cu_update_hal_rate_mask(struct ieee80211_hw *hw, u8 rssi_level)
+static void rtl92cu_update_hal_rate_mask(struct ieee80211_hw *hw,
+                                         struct ieee80211_sta *sta,
+                                         u8 rssi_level)
 {
         struct rtl_priv *rtlpriv = rtl_priv(hw);
         struct rtl_phy *rtlphy = &(rtlpriv->phy);
         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
-        u32 ratr_bitmap = (u32) mac->basic_rates;
-        u8 *p_mcsrate = mac->mcs;
-        u8 ratr_index = 0;
-        u8 curtxbw_40mhz = mac->bw_40;
-        u8 curshortgi_40mhz = mac->sgi_40;
-        u8 curshortgi_20mhz = mac->sgi_20;
-        enum wireless_mode wirelessmode = mac->mode;
+        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+        struct rtl_sta_info *sta_entry = NULL;
+        u32 ratr_bitmap;
+        u8 ratr_index;
+        u8 curtxbw_40mhz = (sta->bandwidth >= IEEE80211_STA_RX_BW_40) ? 1 : 0;
+        u8 curshortgi_40mhz = curtxbw_40mhz &&
+                              (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40) ?
+                                1 : 0;
+        u8 curshortgi_20mhz = (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20) ?
+                                1 : 0;
+        enum wireless_mode wirelessmode = 0;
         bool shortgi = false;
         u8 rate_mask[5];
         u8 macid = 0;
-        u8 mimops = 1;
-
-        ratr_bitmap |= (p_mcsrate[1] << 20) | (p_mcsrate[0] << 12);
+        u8 mimo_ps = IEEE80211_SMPS_OFF;
+
+        sta_entry = (struct rtl_sta_info *) sta->drv_priv;
+        wirelessmode = sta_entry->wireless_mode;
+        if (mac->opmode == NL80211_IFTYPE_STATION ||
+            mac->opmode == NL80211_IFTYPE_MESH_POINT)
+                curtxbw_40mhz = mac->bw_40;
+        else if (mac->opmode == NL80211_IFTYPE_AP ||
+                mac->opmode == NL80211_IFTYPE_ADHOC)
+                macid = sta->aid + 1;
+
+        if (rtlhal->current_bandtype == BAND_ON_5G)
+                ratr_bitmap = sta->supp_rates[1] << 4;
+        else
+                ratr_bitmap = sta->supp_rates[0];
+        if (mac->opmode == NL80211_IFTYPE_ADHOC)
+                ratr_bitmap = 0xfff;
+        ratr_bitmap |= (sta->ht_cap.mcs.rx_mask[1] << 20 |
+                        sta->ht_cap.mcs.rx_mask[0] << 12);
         switch (wirelessmode) {
         case WIRELESS_MODE_B:
                 ratr_index = RATR_INX_WIRELESS_B;
@@ -2071,6 +2112,7 @@ void rtl92cu_update_hal_rate_mask(struct ieee80211_hw *hw, u8 rssi_level)
                 break;
         case WIRELESS_MODE_G:
                 ratr_index = RATR_INX_WIRELESS_GB;
+
                 if (rssi_level == 1)
                         ratr_bitmap &= 0x00000f00;
                 else if (rssi_level == 2)
@@ -2085,7 +2127,8 @@ void rtl92cu_update_hal_rate_mask(struct ieee80211_hw *hw, u8 rssi_level)
         case WIRELESS_MODE_N_24G:
         case WIRELESS_MODE_N_5G:
                 ratr_index = RATR_INX_WIRELESS_NGB;
-                if (mimops == 0) {
+
+                if (mimo_ps == IEEE80211_SMPS_STATIC) {
                         if (rssi_level == 1)
                                 ratr_bitmap &= 0x00070000;
                         else if (rssi_level == 2)
@@ -2128,8 +2171,10 @@ void rtl92cu_update_hal_rate_mask(struct ieee80211_hw *hw, u8 rssi_level)
                                 }
                         }
                 }
+
                 if ((curtxbw_40mhz && curshortgi_40mhz) ||
                     (!curtxbw_40mhz && curshortgi_20mhz)) {
+
                         if (macid == 0)
                                 shortgi = true;
                         else if (macid == 1)
@@ -2138,21 +2183,42 @@ void rtl92cu_update_hal_rate_mask(struct ieee80211_hw *hw, u8 rssi_level)
                 break;
         default:
                 ratr_index = RATR_INX_WIRELESS_NGB;
+
                 if (rtlphy->rf_type == RF_1T2R)
                         ratr_bitmap &= 0x000ff0ff;
                 else
                         ratr_bitmap &= 0x0f0ff0ff;
                 break;
         }
-        RT_TRACE(rtlpriv, COMP_RATR, DBG_DMESG, "ratr_bitmap :%x\n",
-                 ratr_bitmap);
-        *(u32 *)&rate_mask = ((ratr_bitmap & 0x0fffffff) |
-                                      ratr_index << 28);
+        sta_entry->ratr_index = ratr_index;
+
+        RT_TRACE(rtlpriv, COMP_RATR, DBG_DMESG,
+                 "ratr_bitmap :%x\n", ratr_bitmap);
+        *(u32 *)&rate_mask = (ratr_bitmap & 0x0fffffff) |
+                                     (ratr_index << 28);
         rate_mask[4] = macid | (shortgi ? 0x20 : 0x00) | 0x80;
         RT_TRACE(rtlpriv, COMP_RATR, DBG_DMESG,
                  "Rate_index:%x, ratr_val:%x, %5phC\n",
                  ratr_index, ratr_bitmap, rate_mask);
-        rtl92c_fill_h2c_cmd(hw, H2C_RA_MASK, 5, rate_mask);
+        memcpy(rtlpriv->rate_mask, rate_mask, 5);
+        /* rtl92c_fill_h2c_cmd() does USB I/O and will result in a
+         * "scheduled while atomic" if called directly */
+        schedule_work(&rtlpriv->works.fill_h2c_cmd);
+
+        if (macid != 0)
+                sta_entry->ratr_index = ratr_index;
+}
+
+void rtl92cu_update_hal_rate_tbl(struct ieee80211_hw *hw,
+                                 struct ieee80211_sta *sta,
+                                 u8 rssi_level)
+{
+        struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+        if (rtlpriv->dm.useramask)
+                rtl92cu_update_hal_rate_mask(hw, sta, rssi_level);
+        else
+                rtl92cu_update_hal_rate_table(hw, sta);
 }
 
 void rtl92cu_update_channel_access_setting(struct ieee80211_hw *hw)
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/hw.h b/drivers/net/wireless/rtlwifi/rtl8192cu/hw.h
index f41a3aa4a26f..8e3ec1e25644 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/hw.h
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/hw.h
@@ -98,10 +98,6 @@ void rtl92cu_update_interrupt_mask(struct ieee80211_hw *hw,
                                    u32 add_msr, u32 rm_msr);
 void rtl92cu_get_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val);
 void rtl92cu_set_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val);
-void rtl92cu_update_hal_rate_table(struct ieee80211_hw *hw,
-                                   struct ieee80211_sta *sta,
-                                   u8 rssi_level);
-void rtl92cu_update_hal_rate_mask(struct ieee80211_hw *hw, u8 rssi_level);
 
 void rtl92cu_update_channel_access_setting(struct ieee80211_hw *hw);
 bool rtl92cu_gpio_radio_on_off_checking(struct ieee80211_hw *hw, u8 * valid);
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/mac.c b/drivers/net/wireless/rtlwifi/rtl8192cu/mac.c
index 85b6bdb163c0..da4f587199ee 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/mac.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/mac.c
@@ -289,14 +289,30 @@ void rtl92c_set_key(struct ieee80211_hw *hw, u32 key_index,
                                 macaddr = cam_const_broad;
                                 entry_id = key_index;
                         } else {
+                                if (mac->opmode == NL80211_IFTYPE_AP ||
+                                    mac->opmode == NL80211_IFTYPE_MESH_POINT) {
+                                        entry_id = rtl_cam_get_free_entry(hw,
+                                                                 p_macaddr);
+                                        if (entry_id >=  TOTAL_CAM_ENTRY) {
+                                                RT_TRACE(rtlpriv, COMP_SEC,
+                                                         DBG_EMERG,
+                                                         "Can not find free hw security cam entry\n");
+                                                return;
+                                        }
+                                } else {
+                                        entry_id = CAM_PAIRWISE_KEY_POSITION;
+                                }
+
                                 key_index = PAIRWISE_KEYIDX;
-                                entry_id = CAM_PAIRWISE_KEY_POSITION;
                                 is_pairwise = true;
                         }
                 }
                 if (rtlpriv->sec.key_len[key_index] == 0) {
                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
                                  "delete one entry\n");
+                        if (mac->opmode == NL80211_IFTYPE_AP ||
+                            mac->opmode == NL80211_IFTYPE_MESH_POINT)
+                                rtl_cam_del_entry(hw, p_macaddr);
                         rtl_cam_delete_one_entry(hw, p_macaddr, entry_id);
                 } else {
                         RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD,
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
index 23d640a4debd..826f085c29dd 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
@@ -106,8 +106,7 @@ static struct rtl_hal_ops rtl8192cu_hal_ops = {
         .update_interrupt_mask = rtl92cu_update_interrupt_mask,
         .get_hw_reg = rtl92cu_get_hw_reg,
         .set_hw_reg = rtl92cu_set_hw_reg,
-        .update_rate_tbl = rtl92cu_update_hal_rate_table,
-        .update_rate_mask = rtl92cu_update_hal_rate_mask,
+        .update_rate_tbl = rtl92cu_update_hal_rate_tbl,
         .fill_tx_desc = rtl92cu_tx_fill_desc,
         .fill_fake_txdesc = rtl92cu_fill_fake_txdesc,
         .fill_tx_cmddesc = rtl92cu_tx_fill_cmddesc,
@@ -137,6 +136,7 @@ static struct rtl_hal_ops rtl8192cu_hal_ops = {
         .phy_lc_calibrate = _rtl92cu_phy_lc_calibrate,
         .phy_set_bw_mode_callback = rtl92cu_phy_set_bw_mode_callback,
         .dm_dynamic_txpower = rtl92cu_dm_dynamic_txpower,
+        .fill_h2c_cmd = rtl92c_fill_h2c_cmd,
 };
 
 static struct rtl_mod_params rtl92cu_mod_params = {
@@ -349,6 +349,7 @@ static struct usb_device_id rtl8192c_usb_ids[] = {
         {RTL_USB_DEVICE(0x07aa, 0x0056, rtl92cu_hal_cfg)}, /*ATKK-Gemtek*/
         {RTL_USB_DEVICE(0x07b8, 0x8178, rtl92cu_hal_cfg)}, /*Funai -Abocom*/
         {RTL_USB_DEVICE(0x0846, 0x9021, rtl92cu_hal_cfg)}, /*Netgear-Sercomm*/
+        {RTL_USB_DEVICE(0x0846, 0xf001, rtl92cu_hal_cfg)}, /*On Netwrks N300MA*/
         {RTL_USB_DEVICE(0x0b05, 0x17ab, rtl92cu_hal_cfg)}, /*ASUS-Edimax*/
         {RTL_USB_DEVICE(0x0bda, 0x8186, rtl92cu_hal_cfg)}, /*Realtek 92CE-VAU*/
         {RTL_USB_DEVICE(0x0df6, 0x0061, rtl92cu_hal_cfg)}, /*Sitecom-Edimax*/
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.h b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.h
index a1310abd0d54..262e1e4c6e5b 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.h
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.h
@@ -49,5 +49,8 @@ bool rtl92cu_phy_set_rf_power_state(struct ieee80211_hw *hw,
 u32 rtl92cu_phy_query_rf_reg(struct ieee80211_hw *hw,
                             enum radio_path rfpath, u32 regaddr, u32 bitmask);
 void rtl92cu_phy_set_bw_mode_callback(struct ieee80211_hw *hw);
+void rtl92cu_update_hal_rate_tbl(struct ieee80211_hw *hw,
+                                 struct ieee80211_sta *sta,
+                                 u8 rssi_level);
 
 #endif
diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c
index 76732b0cd221..a3532e077871 100644
--- a/drivers/net/wireless/rtlwifi/usb.c
+++ b/drivers/net/wireless/rtlwifi/usb.c
@@ -824,6 +824,7 @@ static void rtl_usb_stop(struct ieee80211_hw *hw)
 
         /* should after adapter start and interrupt enable. */
         set_hal_stop(rtlhal);
+        cancel_work_sync(&rtlpriv->works.fill_h2c_cmd);
         /* Enable software */
         SET_USB_STOP(rtlusb);
         rtl_usb_deinit(hw);
@@ -1026,6 +1027,16 @@ static bool rtl_usb_tx_chk_waitq_insert(struct ieee80211_hw *hw,
         return false;
 }
 
+static void rtl_fill_h2c_cmd_work_callback(struct work_struct *work)
+{
+        struct rtl_works *rtlworks =
+            container_of(work, struct rtl_works, fill_h2c_cmd);
+        struct ieee80211_hw *hw = rtlworks->hw;
+        struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+        rtlpriv->cfg->ops->fill_h2c_cmd(hw, H2C_RA_MASK, 5, rtlpriv->rate_mask);
+}
+
 static struct rtl_intf_ops rtl_usb_ops = {
         .adapter_start = rtl_usb_start,
         .adapter_stop = rtl_usb_stop,
@@ -1057,6 +1068,8 @@ int rtl_usb_probe(struct usb_interface *intf,
 
         /* this spin lock must be initialized early */
         spin_lock_init(&rtlpriv->locks.usb_lock);
+        INIT_WORK(&rtlpriv->works.fill_h2c_cmd,
+                  rtl_fill_h2c_cmd_work_callback);
 
         rtlpriv->usb_data_index = 0;
         init_completion(&rtlpriv->firmware_loading_complete);
diff --git a/drivers/net/wireless/rtlwifi/wifi.h b/drivers/net/wireless/rtlwifi/wifi.h
index 44328baa6389..cc03e7c87cbe 100644
--- a/drivers/net/wireless/rtlwifi/wifi.h
+++ b/drivers/net/wireless/rtlwifi/wifi.h
@@ -1736,6 +1736,8 @@ struct rtl_hal_ops {
         void (*bt_wifi_media_status_notify) (struct ieee80211_hw *hw,
                                              bool mstate);
         void (*bt_coex_off_before_lps) (struct ieee80211_hw *hw);
+        void (*fill_h2c_cmd) (struct ieee80211_hw *hw, u8 element_id,
+                              u32 cmd_len, u8 *p_cmdbuffer);
 };
 
 struct rtl_intf_ops {
@@ -1869,6 +1871,7 @@ struct rtl_works {
         struct delayed_work fwevt_wq;
 
         struct work_struct lps_change_work;
+        struct work_struct fill_h2c_cmd;
 };
 
 struct rtl_debug {
@@ -2048,6 +2051,7 @@ struct rtl_priv {
                 };
         };
         bool enter_ps;  /* true when entering PS */
+        u8 rate_mask[5];
 
         /*This must be the last item so
            that it points to the data allocated
diff --git a/drivers/net/wireless/ti/wl12xx/scan.c b/drivers/net/wireless/ti/wl12xx/scan.c
index affdb3ec6225..4a0bbb13806b 100644
--- a/drivers/net/wireless/ti/wl12xx/scan.c
+++ b/drivers/net/wireless/ti/wl12xx/scan.c
@@ -310,7 +310,7 @@ static void wl12xx_adjust_channels(struct wl1271_cmd_sched_scan_config *cmd,
         memcpy(cmd->channels_2, cmd_channels->channels_2,
                sizeof(cmd->channels_2));
         memcpy(cmd->channels_5, cmd_channels->channels_5,
-               sizeof(cmd->channels_2));
+               sizeof(cmd->channels_5));
         /* channels_4 are not supported, so no need to copy them */
 }
 
diff --git a/drivers/net/wireless/ti/wl12xx/wl12xx.h b/drivers/net/wireless/ti/wl12xx/wl12xx.h
index 222d03540200..9e5484a73667 100644
--- a/drivers/net/wireless/ti/wl12xx/wl12xx.h
+++ b/drivers/net/wireless/ti/wl12xx/wl12xx.h
@@ -36,12 +36,12 @@
 #define WL127X_IFTYPE_SR_VER    3
 #define WL127X_MAJOR_SR_VER     10
 #define WL127X_SUBTYPE_SR_VER   WLCORE_FW_VER_IGNORE
-#define WL127X_MINOR_SR_VER     115
+#define WL127X_MINOR_SR_VER     133
 /* minimum multi-role FW version for wl127x */
 #define WL127X_IFTYPE_MR_VER    5
 #define WL127X_MAJOR_MR_VER     7
 #define WL127X_SUBTYPE_MR_VER   WLCORE_FW_VER_IGNORE
-#define WL127X_MINOR_MR_VER     115
+#define WL127X_MINOR_MR_VER     42
 
 /* FW chip version for wl128x */
 #define WL128X_CHIP_VER         7
@@ -49,7 +49,7 @@
 #define WL128X_IFTYPE_SR_VER    3
 #define WL128X_MAJOR_SR_VER     10
 #define WL128X_SUBTYPE_SR_VER   WLCORE_FW_VER_IGNORE
-#define WL128X_MINOR_SR_VER     115
+#define WL128X_MINOR_SR_VER     133
 /* minimum multi-role FW version for wl128x */
 #define WL128X_IFTYPE_MR_VER    5
 #define WL128X_MAJOR_MR_VER     7
diff --git a/drivers/net/wireless/ti/wl18xx/scan.c b/drivers/net/wireless/ti/wl18xx/scan.c
index 09d944505ac0..2b642f8c9266 100644
--- a/drivers/net/wireless/ti/wl18xx/scan.c
+++ b/drivers/net/wireless/ti/wl18xx/scan.c
@@ -34,7 +34,7 @@ static void wl18xx_adjust_channels(struct wl18xx_cmd_scan_params *cmd,
         memcpy(cmd->channels_2, cmd_channels->channels_2,
                sizeof(cmd->channels_2));
         memcpy(cmd->channels_5, cmd_channels->channels_5,
-               sizeof(cmd->channels_2));
+               sizeof(cmd->channels_5));
         /* channels_4 are not supported, so no need to copy them */
 }
 
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 37984e6d4e99..8c20935d72c9 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -662,7 +662,7 @@ static void xen_netbk_rx_action(struct xen_netbk *netbk)
 {
         struct xenvif *vif = NULL, *tmp;
         s8 status;
-        u16 irq, flags;
+        u16 flags;
         struct xen_netif_rx_response *resp;
         struct sk_buff_head rxq;
         struct sk_buff *skb;
@@ -771,13 +771,13 @@ static void xen_netbk_rx_action(struct xen_netbk *netbk)
                                          sco->meta_slots_used);
 
                 RING_PUSH_RESPONSES_AND_CHECK_NOTIFY(&vif->rx, ret);
-                irq = vif->irq;
-                if (ret && list_empty(&vif->notify_list))
-                        list_add_tail(&vif->notify_list, &notify);
 
                 xenvif_notify_tx_completion(vif);
 
-                xenvif_put(vif);
+                if (ret && list_empty(&vif->notify_list))
+                        list_add_tail(&vif->notify_list, &notify);
+                else
+                        xenvif_put(vif);
                 npo.meta_cons += sco->meta_slots_used;
                 dev_kfree_skb(skb);
         }
@@ -785,6 +785,7 @@ static void xen_netbk_rx_action(struct xen_netbk *netbk)
         list_for_each_entry_safe(vif, tmp, &notify, notify_list) {
                 notify_remote_via_irq(vif->irq);
                 list_del_init(&vif->notify_list);
+                xenvif_put(vif);
         }
 
         /* More work to do? */
diff --git a/drivers/nfc/Kconfig b/drivers/nfc/Kconfig
index 4775d4e61b88..74a852e4e41f 100644
--- a/drivers/nfc/Kconfig
+++ b/drivers/nfc/Kconfig
@@ -28,7 +28,7 @@ config NFC_WILINK
 
 config NFC_MEI_PHY
         tristate "MEI bus NFC device support"
-        depends on INTEL_MEI_BUS_NFC && NFC_HCI
+        depends on INTEL_MEI && NFC_HCI
         help
           This adds support to use an mei bus nfc device. Select this if you
           will use an HCI NFC driver for an NFC chip connected behind an
diff --git a/drivers/nfc/mei_phy.c b/drivers/nfc/mei_phy.c
index b8f8abc422f0..1201bdbfb791 100644
--- a/drivers/nfc/mei_phy.c
+++ b/drivers/nfc/mei_phy.c
@@ -64,6 +64,15 @@ int nfc_mei_phy_enable(void *phy_id)
                 return r;
         }
 
+        r = mei_cl_register_event_cb(phy->device, nfc_mei_event_cb, phy);
+        if (r) {
+                pr_err("MEY_PHY: Event cb registration failed\n");
+                mei_cl_disable_device(phy->device);
+                phy->powered = 0;
+
+                return r;
+        }
+
         phy->powered = 1;
 
         return 0;
diff --git a/drivers/nfc/microread/mei.c b/drivers/nfc/microread/mei.c
index 1ad044dce7b6..cdf1bc53b257 100644
--- a/drivers/nfc/microread/mei.c
+++ b/drivers/nfc/microread/mei.c
@@ -43,24 +43,16 @@ static int microread_mei_probe(struct mei_cl_device *device,
                 return -ENOMEM;
         }
 
-        r = mei_cl_register_event_cb(device, nfc_mei_event_cb, phy);
-        if (r) {
-                pr_err(MICROREAD_DRIVER_NAME ": event cb registration failed\n");
-                goto err_out;
-        }
-
         r = microread_probe(phy, &mei_phy_ops, LLC_NOP_NAME,
                             MEI_NFC_HEADER_SIZE, 0, MEI_NFC_MAX_HCI_PAYLOAD,
                             &phy->hdev);
-        if (r < 0)
-                goto err_out;
-
-        return 0;
+        if (r < 0) {
+                nfc_mei_phy_free(phy);
 
-err_out:
-        nfc_mei_phy_free(phy);
+                return r;
+        }
 
-        return r;
+        return 0;
 }
 
 static int microread_mei_remove(struct mei_cl_device *device)
@@ -71,8 +63,6 @@ static int microread_mei_remove(struct mei_cl_device *device)
 
         microread_remove(phy->hdev);
 
-        nfc_mei_phy_disable(phy);
-
         nfc_mei_phy_free(phy);
 
         return 0;
diff --git a/drivers/nfc/pn544/mei.c b/drivers/nfc/pn544/mei.c
index 1eb48848a35a..b5d3d18179eb 100644
--- a/drivers/nfc/pn544/mei.c
+++ b/drivers/nfc/pn544/mei.c
@@ -43,24 +43,16 @@ static int pn544_mei_probe(struct mei_cl_device *device,
                 return -ENOMEM;
         }
 
-        r = mei_cl_register_event_cb(device, nfc_mei_event_cb, phy);
-        if (r) {
-                pr_err(PN544_DRIVER_NAME ": event cb registration failed\n");
-                goto err_out;
-        }
-
         r = pn544_hci_probe(phy, &mei_phy_ops, LLC_NOP_NAME,
                             MEI_NFC_HEADER_SIZE, 0, MEI_NFC_MAX_HCI_PAYLOAD,
                             &phy->hdev);
-        if (r < 0)
-                goto err_out;
-
-        return 0;
+        if (r < 0) {
+                nfc_mei_phy_free(phy);
 
-err_out:
-        nfc_mei_phy_free(phy);
+                return r;
+        }
 
-        return r;
+        return 0;
 }
 
 static int pn544_mei_remove(struct mei_cl_device *device)
@@ -71,8 +63,6 @@ static int pn544_mei_remove(struct mei_cl_device *device)
 
         pn544_hci_remove(phy->hdev);
 
-        nfc_mei_phy_disable(phy);
-
         nfc_mei_phy_free(phy);
 
         return 0;
diff --git a/drivers/of/base.c b/drivers/of/base.c
index f53b992f060a..a6f584a7f4a1 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -192,14 +192,15 @@ EXPORT_SYMBOL(of_find_property);
 struct device_node *of_find_all_nodes(struct device_node *prev)
 {
         struct device_node *np;
+        unsigned long flags;
 
-        raw_spin_lock(&devtree_lock);
+        raw_spin_lock_irqsave(&devtree_lock, flags);
         np = prev ? prev->allnext : of_allnodes;
         for (; np != NULL; np = np->allnext)
                 if (of_node_get(np))
                         break;
         of_node_put(prev);
-        raw_spin_unlock(&devtree_lock);
+        raw_spin_unlock_irqrestore(&devtree_lock, flags);
         return np;
 }
 EXPORT_SYMBOL(of_find_all_nodes);
@@ -421,8 +422,9 @@ struct device_node *of_get_next_available_child(const struct device_node *node,
         struct device_node *prev)
 {
         struct device_node *next;
+        unsigned long flags;
 
-        raw_spin_lock(&devtree_lock);
+        raw_spin_lock_irqsave(&devtree_lock, flags);
         next = prev ? prev->sibling : node->child;
         for (; next; next = next->sibling) {
                 if (!__of_device_is_available(next))
@@ -431,7 +433,7 @@ struct device_node *of_get_next_available_child(const struct device_node *node,
                         break;
         }
         of_node_put(prev);
-        raw_spin_unlock(&devtree_lock);
+        raw_spin_unlock_irqrestore(&devtree_lock, flags);
         return next;
 }
 EXPORT_SYMBOL(of_get_next_available_child);
@@ -735,13 +737,14 @@ EXPORT_SYMBOL_GPL(of_modalias_node);
 struct device_node *of_find_node_by_phandle(phandle handle)
 {
         struct device_node *np;
+        unsigned long flags;
 
-        raw_spin_lock(&devtree_lock);
+        raw_spin_lock_irqsave(&devtree_lock, flags);
         for (np = of_allnodes; np; np = np->allnext)
                 if (np->phandle == handle)
                         break;
         of_node_get(np);
-        raw_spin_unlock(&devtree_lock);
+        raw_spin_unlock_irqrestore(&devtree_lock, flags);
         return np;
 }
 EXPORT_SYMBOL(of_find_node_by_phandle);
diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c
index 9544cdc0d1af..e79e006eb9ab 100644
--- a/drivers/parisc/iosapic.c
+++ b/drivers/parisc/iosapic.c
@@ -811,6 +811,70 @@ int iosapic_fixup_irq(void *isi_obj, struct pci_dev *pcidev)
         return pcidev->irq;
 }
 
+static struct iosapic_info *first_isi = NULL;
+
+#ifdef CONFIG_64BIT
+int iosapic_serial_irq(int num)
+{
+        struct iosapic_info *isi = first_isi;
+        struct irt_entry *irte = NULL;  /* only used if PAT PDC */
+        struct vector_info *vi;
+        int isi_line;   /* line used by device */
+
+        /* lookup IRT entry for isi/slot/pin set */
+        irte = &irt_cell[num];
+
+        DBG_IRT("iosapic_serial_irq(): irte %p %x %x %x %x %x %x %x %x\n",
+                irte,
+                irte->entry_type,
+                irte->entry_length,
+                irte->polarity_trigger,
+                irte->src_bus_irq_devno,
+                irte->src_bus_id,
+                irte->src_seg_id,
+                irte->dest_iosapic_intin,
+                (u32) irte->dest_iosapic_addr);
+        isi_line = irte->dest_iosapic_intin;
+
+        /* get vector info for this input line */
+        vi = isi->isi_vector + isi_line;
+        DBG_IRT("iosapic_serial_irq:  line %d vi 0x%p\n", isi_line, vi);
+
+        /* If this IRQ line has already been setup, skip it */
+        if (vi->irte)
+                goto out;
+
+        vi->irte = irte;
+
+        /*
+         * Allocate processor IRQ
+         *
+         * XXX/FIXME The txn_alloc_irq() code and related code should be
+         * moved to enable_irq(). That way we only allocate processor IRQ
+         * bits for devices that actually have drivers claiming them.
+         * Right now we assign an IRQ to every PCI device present,
+         * regardless of whether it's used or not.
+         */
+        vi->txn_irq = txn_alloc_irq(8);
+
+        if (vi->txn_irq < 0)
+                panic("I/O sapic: couldn't get TXN IRQ\n");
+
+        /* enable_irq() will use txn_* to program IRdT */
+        vi->txn_addr = txn_alloc_addr(vi->txn_irq);
+        vi->txn_data = txn_alloc_data(vi->txn_irq);
+
+        vi->eoi_addr = isi->addr + IOSAPIC_REG_EOI;
+        vi->eoi_data = cpu_to_le32(vi->txn_data);
+
+        cpu_claim_irq(vi->txn_irq, &iosapic_interrupt_type, vi);
+
+ out:
+
+        return vi->txn_irq;
+}
+#endif
+
 
 /*
 ** squirrel away the I/O Sapic Version
@@ -877,6 +941,8 @@ void *iosapic_register(unsigned long hpa)
                 vip->irqline = (unsigned char) cnt;
                 vip->iosapic = isi;
         }
+        if (!first_isi)
+                first_isi = isi;
         return isi;
 }
 
diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c
index 2ef7103270bb..1f05913ae677 100644
--- a/drivers/parisc/lba_pci.c
+++ b/drivers/parisc/lba_pci.c
@@ -668,7 +668,7 @@ lba_fixup_bus(struct pci_bus *bus)
                         BUG();
                 }
 
-                if (ldev->hba.elmmio_space.start) {
+                if (ldev->hba.elmmio_space.flags) {
                         err = request_resource(&iomem_resource,
                                         &(ldev->hba.elmmio_space));
                         if (err < 0) {
@@ -993,7 +993,7 @@ lba_pat_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev)
 
                 case PAT_LMMIO:
                         /* used to fix up pre-initialized MEM BARs */
-                        if (!lba_dev->hba.lmmio_space.start) {
+                        if (!lba_dev->hba.lmmio_space.flags) {
                                 sprintf(lba_dev->hba.lmmio_name,
                                                 "PCI%02x LMMIO",
                                                 (int)lba_dev->hba.bus_num.start);
@@ -1001,7 +1001,7 @@ lba_pat_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev)
                                         io->start;
                                 r = &lba_dev->hba.lmmio_space;
                                 r->name = lba_dev->hba.lmmio_name;
-                        } else if (!lba_dev->hba.elmmio_space.start) {
+                        } else if (!lba_dev->hba.elmmio_space.flags) {
                                 sprintf(lba_dev->hba.elmmio_name,
                                                 "PCI%02x ELMMIO",
                                                 (int)lba_dev->hba.bus_num.start);
@@ -1096,6 +1096,7 @@ lba_legacy_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev)
         r->name = "LBA PCI Busses";
         r->start = lba_num & 0xff;
         r->end = (lba_num>>8) & 0xff;
+        r->flags = IORESOURCE_BUS;
 
         /* Set up local PCI Bus resources - we don't need them for
         ** Legacy boxes but it's nice to see in /proc/iomem.
@@ -1494,7 +1495,7 @@ lba_driver_probe(struct parisc_device *dev)
 
         pci_add_resource_offset(&resources, &lba_dev->hba.io_space,
                                 HBA_PORT_BASE(lba_dev->hba.hba_num));
-        if (lba_dev->hba.elmmio_space.start)
+        if (lba_dev->hba.elmmio_space.flags)
                 pci_add_resource_offset(&resources, &lba_dev->hba.elmmio_space,
                                         lba_dev->hba.lmmio_space_offset);
         if (lba_dev->hba.lmmio_space.flags)
diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c
index ac6e8e7a02df..a042d065a0c7 100644
--- a/drivers/parisc/superio.c
+++ b/drivers/parisc/superio.c
@@ -494,15 +494,4 @@ static struct pci_driver superio_driver = {
         .probe =        superio_probe,
 };
 
-static int __init superio_modinit(void)
-{
-        return pci_register_driver(&superio_driver);
-}
-
-static void __exit superio_exit(void)
-{
-        pci_unregister_driver(&superio_driver);
-}
-
-module_init(superio_modinit);
-module_exit(superio_exit);
+module_pci_driver(superio_driver);
diff --git a/drivers/parport/Kconfig b/drivers/parport/Kconfig
index 24e12d4d1769..a50576081b34 100644
--- a/drivers/parport/Kconfig
+++ b/drivers/parport/Kconfig
@@ -71,7 +71,7 @@ config PARPORT_PC_FIFO
 
 config PARPORT_PC_SUPERIO
         bool "SuperIO chipset support"
-        depends on PARPORT_PC
+        depends on PARPORT_PC && !PARISC
         help
           Saying Y here enables some probes for Super-IO chipsets in order to
           find out things like base addresses, IRQ lines and DMA channels.  It
diff --git a/drivers/parport/parport_gsc.c b/drivers/parport/parport_gsc.c
index a5251cb5fb0c..6e3a60c78873 100644
--- a/drivers/parport/parport_gsc.c
+++ b/drivers/parport/parport_gsc.c
@@ -234,7 +234,7 @@ static int parport_PS2_supported(struct parport *pb)
 
 struct parport *parport_gsc_probe_port(unsigned long base,
                                        unsigned long base_hi, int irq,
-                                       int dma, struct pci_dev *dev)
+                                       int dma, struct parisc_device *padev)
 {
         struct parport_gsc_private *priv;
         struct parport_operations *ops;
@@ -258,7 +258,6 @@ struct parport *parport_gsc_probe_port(unsigned long base,
         priv->ctr_writable = 0xff;
         priv->dma_buf = 0;
         priv->dma_handle = 0;
-        priv->dev = dev;
         p->base = base;
         p->base_hi = base_hi;
         p->irq = irq;
@@ -282,6 +281,7 @@ struct parport *parport_gsc_probe_port(unsigned long base,
                 return NULL;
         }
 
+        p->dev = &padev->dev;
         p->base_hi = base_hi;
         p->modes = tmp.modes;
         p->size = (p->modes & PARPORT_MODE_EPP)?8:3;
@@ -373,7 +373,7 @@ static int parport_init_chip(struct parisc_device *dev)
         }
         
         p = parport_gsc_probe_port(port, 0, dev->irq,
-                        /* PARPORT_IRQ_NONE */ PARPORT_DMA_NONE, NULL);
+                        /* PARPORT_IRQ_NONE */ PARPORT_DMA_NONE, dev);
         if (p)
                 parport_count++;
         dev_set_drvdata(&dev->dev, p);
diff --git a/drivers/parport/parport_gsc.h b/drivers/parport/parport_gsc.h
index fc9c37c54022..812214768d27 100644
--- a/drivers/parport/parport_gsc.h
+++ b/drivers/parport/parport_gsc.h
@@ -217,6 +217,6 @@ extern void parport_gsc_dec_use_count(void);
 extern struct parport *parport_gsc_probe_port(unsigned long base,
                                                 unsigned long base_hi,
                                                 int irq, int dma,
-                                                struct pci_dev *dev);
+                                                struct parisc_device *padev);
 
 #endif  /* __DRIVERS_PARPORT_PARPORT_GSC_H */
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index 8ec8b4f48560..0f4554e48cc5 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -580,6 +580,7 @@ struct aer_recover_entry
         u8      devfn;
         u16     domain;
         int     severity;
+        struct aer_capability_regs *regs;
 };
 
 static DEFINE_KFIFO(aer_recover_ring, struct aer_recover_entry,
@@ -593,7 +594,7 @@ static DEFINE_SPINLOCK(aer_recover_ring_lock);
 static DECLARE_WORK(aer_recover_work, aer_recover_work_func);
 
 void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn,
-                       int severity)
+                       int severity, struct aer_capability_regs *aer_regs)
 {
         unsigned long flags;
         struct aer_recover_entry entry = {
@@ -601,6 +602,7 @@ void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn,
                 .devfn          = devfn,
                 .domain         = domain,
                 .severity       = severity,
+                .regs           = aer_regs,
         };
 
         spin_lock_irqsave(&aer_recover_ring_lock, flags);
@@ -627,6 +629,7 @@ static void aer_recover_work_func(struct work_struct *work)
                                PCI_SLOT(entry.devfn), PCI_FUNC(entry.devfn));
                         continue;
                 }
+                cper_print_aer(pdev, entry.severity, entry.regs);
                 do_recovery(pdev, entry.severity);
                 pci_dev_put(pdev);
         }
diff --git a/drivers/pci/pcie/aer/aerdrv_errprint.c b/drivers/pci/pcie/aer/aerdrv_errprint.c
index 5ab14251839d..2c7c9f5f592c 100644
--- a/drivers/pci/pcie/aer/aerdrv_errprint.c
+++ b/drivers/pci/pcie/aer/aerdrv_errprint.c
@@ -220,7 +220,7 @@ int cper_severity_to_aer(int cper_severity)
 }
 EXPORT_SYMBOL_GPL(cper_severity_to_aer);
 
-void cper_print_aer(const char *prefix, struct pci_dev *dev, int cper_severity,
+void cper_print_aer(struct pci_dev *dev, int cper_severity,
                     struct aer_capability_regs *aer)
 {
         int aer_severity, layer, agent, status_strs_size, tlp_header_valid = 0;
@@ -244,7 +244,7 @@ void cper_print_aer(const char *prefix, struct pci_dev *dev, int cper_severity,
         agent = AER_GET_AGENT(aer_severity, status);
         dev_err(&dev->dev, "aer_status: 0x%08x, aer_mask: 0x%08x\n",
                status, mask);
-        cper_print_bits(prefix, status, status_strs, status_strs_size);
+        cper_print_bits("", status, status_strs, status_strs_size);
         dev_err(&dev->dev, "aer_layer=%s, aer_agent=%s\n",
                aer_error_layer[layer], aer_agent_string[agent]);
         if (aer_severity != AER_CORRECTABLE)
diff --git a/drivers/pinctrl/pinconf.c b/drivers/pinctrl/pinconf.c
index c67c37e23dd7..694c3ace4520 100644
--- a/drivers/pinctrl/pinconf.c
+++ b/drivers/pinctrl/pinconf.c
@@ -610,7 +610,7 @@ static int pinconf_dbg_config_print(struct seq_file *s, void *d)
         bool found = false;
         unsigned long config;
 
-        mutex_lock(&pctldev->mutex);
+        mutex_lock(&pinctrl_maps_mutex);
 
         /* Parse the pinctrl map and look for the elected pin/state */
         for_each_maps(maps_node, i, map) {
@@ -659,7 +659,7 @@ static int pinconf_dbg_config_print(struct seq_file *s, void *d)
                 confops->pin_config_config_dbg_show(pctldev, s, config);
 
 exit:
-        mutex_unlock(&pctldev->mutex);
+        mutex_unlock(&pinctrl_maps_mutex);
 
         return 0;
 }
diff --git a/drivers/pinctrl/pinctrl-coh901.c b/drivers/pinctrl/pinctrl-coh901.c
index a67af419f531..d6b41747d687 100644
--- a/drivers/pinctrl/pinctrl-coh901.c
+++ b/drivers/pinctrl/pinctrl-coh901.c
@@ -830,7 +830,8 @@ static int __init u300_gpio_probe(struct platform_device *pdev)
         return 0;
 
 err_no_range:
-        err = gpiochip_remove(&gpio->chip);
+        if (gpiochip_remove(&gpio->chip))
+                dev_err(&pdev->dev, "failed to remove gpio chip\n");
 err_no_chip:
 err_no_domain:
 err_no_port:
diff --git a/drivers/pinctrl/pinctrl-exynos.c b/drivers/pinctrl/pinctrl-exynos.c
index ac742817ebce..2d76f66a2e0b 100644
--- a/drivers/pinctrl/pinctrl-exynos.c
+++ b/drivers/pinctrl/pinctrl-exynos.c
@@ -196,6 +196,12 @@ static irqreturn_t exynos_eint_gpio_irq(int irq, void *data)
         return IRQ_HANDLED;
 }
 
+struct exynos_eint_gpio_save {
+        u32 eint_con;
+        u32 eint_fltcon0;
+        u32 eint_fltcon1;
+};
+
 /*
  * exynos_eint_gpio_init() - setup handling of external gpio interrupts.
  * @d: driver data of samsung pinctrl driver.
@@ -204,8 +210,8 @@ static int exynos_eint_gpio_init(struct samsung_pinctrl_drv_data *d)
 {
         struct samsung_pin_bank *bank;
         struct device *dev = d->dev;
-        unsigned int ret;
-        unsigned int i;
+        int ret;
+        int i;
 
         if (!d->irq) {
                 dev_err(dev, "irq number not available\n");
@@ -227,11 +233,29 @@ static int exynos_eint_gpio_init(struct samsung_pinctrl_drv_data *d)
                                 bank->nr_pins, &exynos_gpio_irqd_ops, bank);
                 if (!bank->irq_domain) {
                         dev_err(dev, "gpio irq domain add failed\n");
-                        return -ENXIO;
+                        ret = -ENXIO;
+                        goto err_domains;
+                }
+
+                bank->soc_priv = devm_kzalloc(d->dev,
+                        sizeof(struct exynos_eint_gpio_save), GFP_KERNEL);
+                if (!bank->soc_priv) {
+                        irq_domain_remove(bank->irq_domain);
+                        ret = -ENOMEM;
+                        goto err_domains;
                 }
         }
 
         return 0;
+
+err_domains:
+        for (--i, --bank; i >= 0; --i, --bank) {
+                if (bank->eint_type != EINT_TYPE_GPIO)
+                        continue;
+                irq_domain_remove(bank->irq_domain);
+        }
+
+        return ret;
 }
 
 static void exynos_wkup_irq_unmask(struct irq_data *irqd)
@@ -326,6 +350,28 @@ static int exynos_wkup_irq_set_type(struct irq_data *irqd, unsigned int type)
         return 0;
 }
 
+static u32 exynos_eint_wake_mask = 0xffffffff;
+
+u32 exynos_get_eint_wake_mask(void)
+{
+        return exynos_eint_wake_mask;
+}
+
+static int exynos_wkup_irq_set_wake(struct irq_data *irqd, unsigned int on)
+{
+        struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
+        unsigned long bit = 1UL << (2 * bank->eint_offset + irqd->hwirq);
+
+        pr_info("wake %s for irq %d\n", on ? "enabled" : "disabled", irqd->irq);
+
+        if (!on)
+                exynos_eint_wake_mask |= bit;
+        else
+                exynos_eint_wake_mask &= ~bit;
+
+        return 0;
+}
+
 /*
  * irq_chip for wakeup interrupts
  */
@@ -335,6 +381,7 @@ static struct irq_chip exynos_wkup_irq_chip = {
         .irq_mask       = exynos_wkup_irq_mask,
         .irq_ack        = exynos_wkup_irq_ack,
         .irq_set_type   = exynos_wkup_irq_set_type,
+        .irq_set_wake   = exynos_wkup_irq_set_wake,
 };
 
 /* interrupt handler for wakeup interrupts 0..15 */
@@ -505,6 +552,72 @@ static int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d)
         return 0;
 }
 
+static void exynos_pinctrl_suspend_bank(
+                                struct samsung_pinctrl_drv_data *drvdata,
+                                struct samsung_pin_bank *bank)
+{
+        struct exynos_eint_gpio_save *save = bank->soc_priv;
+        void __iomem *regs = drvdata->virt_base;
+
+        save->eint_con = readl(regs + EXYNOS_GPIO_ECON_OFFSET
+                                                + bank->eint_offset);
+        save->eint_fltcon0 = readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET
+                                                + 2 * bank->eint_offset);
+        save->eint_fltcon1 = readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET
+                                                + 2 * bank->eint_offset + 4);
+
+        pr_debug("%s: save     con %#010x\n", bank->name, save->eint_con);
+        pr_debug("%s: save fltcon0 %#010x\n", bank->name, save->eint_fltcon0);
+        pr_debug("%s: save fltcon1 %#010x\n", bank->name, save->eint_fltcon1);
+}
+
+static void exynos_pinctrl_suspend(struct samsung_pinctrl_drv_data *drvdata)
+{
+        struct samsung_pin_ctrl *ctrl = drvdata->ctrl;
+        struct samsung_pin_bank *bank = ctrl->pin_banks;
+        int i;
+
+        for (i = 0; i < ctrl->nr_banks; ++i, ++bank)
+                if (bank->eint_type == EINT_TYPE_GPIO)
+                        exynos_pinctrl_suspend_bank(drvdata, bank);
+}
+
+static void exynos_pinctrl_resume_bank(
+                                struct samsung_pinctrl_drv_data *drvdata,
+                                struct samsung_pin_bank *bank)
+{
+        struct exynos_eint_gpio_save *save = bank->soc_priv;
+        void __iomem *regs = drvdata->virt_base;
+
+        pr_debug("%s:     con %#010x => %#010x\n", bank->name,
+                        readl(regs + EXYNOS_GPIO_ECON_OFFSET
+                        + bank->eint_offset), save->eint_con);
+        pr_debug("%s: fltcon0 %#010x => %#010x\n", bank->name,
+                        readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET
+                        + 2 * bank->eint_offset), save->eint_fltcon0);
+        pr_debug("%s: fltcon1 %#010x => %#010x\n", bank->name,
+                        readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET
+                        + 2 * bank->eint_offset + 4), save->eint_fltcon1);
+
+        writel(save->eint_con, regs + EXYNOS_GPIO_ECON_OFFSET
+                                                + bank->eint_offset);
+        writel(save->eint_fltcon0, regs + EXYNOS_GPIO_EFLTCON_OFFSET
+                                                + 2 * bank->eint_offset);
+        writel(save->eint_fltcon1, regs + EXYNOS_GPIO_EFLTCON_OFFSET
+                                                + 2 * bank->eint_offset + 4);
+}
+
+static void exynos_pinctrl_resume(struct samsung_pinctrl_drv_data *drvdata)
+{
+        struct samsung_pin_ctrl *ctrl = drvdata->ctrl;
+        struct samsung_pin_bank *bank = ctrl->pin_banks;
+        int i;
+
+        for (i = 0; i < ctrl->nr_banks; ++i, ++bank)
+                if (bank->eint_type == EINT_TYPE_GPIO)
+                        exynos_pinctrl_resume_bank(drvdata, bank);
+}
+
 /* pin banks of exynos4210 pin-controller 0 */
 static struct samsung_pin_bank exynos4210_pin_banks0[] = {
         EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00),
@@ -568,6 +681,8 @@ struct samsung_pin_ctrl exynos4210_pin_ctrl[] = {
                 .geint_pend     = EXYNOS_GPIO_EPEND_OFFSET,
                 .svc            = EXYNOS_SVC_OFFSET,
                 .eint_gpio_init = exynos_eint_gpio_init,
+                .suspend        = exynos_pinctrl_suspend,
+                .resume         = exynos_pinctrl_resume,
                 .label          = "exynos4210-gpio-ctrl0",
         }, {
                 /* pin-controller instance 1 data */
@@ -582,6 +697,8 @@ struct samsung_pin_ctrl exynos4210_pin_ctrl[] = {
                 .svc            = EXYNOS_SVC_OFFSET,
                 .eint_gpio_init = exynos_eint_gpio_init,
                 .eint_wkup_init = exynos_eint_wkup_init,
+                .suspend        = exynos_pinctrl_suspend,
+                .resume         = exynos_pinctrl_resume,
                 .label          = "exynos4210-gpio-ctrl1",
         }, {
                 /* pin-controller instance 2 data */
@@ -663,6 +780,8 @@ struct samsung_pin_ctrl exynos4x12_pin_ctrl[] = {
                 .geint_pend     = EXYNOS_GPIO_EPEND_OFFSET,
                 .svc            = EXYNOS_SVC_OFFSET,
                 .eint_gpio_init = exynos_eint_gpio_init,
+                .suspend        = exynos_pinctrl_suspend,
+                .resume         = exynos_pinctrl_resume,
                 .label          = "exynos4x12-gpio-ctrl0",
         }, {
                 /* pin-controller instance 1 data */
@@ -677,6 +796,8 @@ struct samsung_pin_ctrl exynos4x12_pin_ctrl[] = {
                 .svc            = EXYNOS_SVC_OFFSET,
                 .eint_gpio_init = exynos_eint_gpio_init,
                 .eint_wkup_init = exynos_eint_wkup_init,
+                .suspend        = exynos_pinctrl_suspend,
+                .resume         = exynos_pinctrl_resume,
                 .label          = "exynos4x12-gpio-ctrl1",
         }, {
                 /* pin-controller instance 2 data */
@@ -687,6 +808,8 @@ struct samsung_pin_ctrl exynos4x12_pin_ctrl[] = {
                 .geint_pend     = EXYNOS_GPIO_EPEND_OFFSET,
                 .svc            = EXYNOS_SVC_OFFSET,
                 .eint_gpio_init = exynos_eint_gpio_init,
+                .suspend        = exynos_pinctrl_suspend,
+                .resume         = exynos_pinctrl_resume,
                 .label          = "exynos4x12-gpio-ctrl2",
         }, {
                 /* pin-controller instance 3 data */
@@ -697,6 +820,8 @@ struct samsung_pin_ctrl exynos4x12_pin_ctrl[] = {
                 .geint_pend     = EXYNOS_GPIO_EPEND_OFFSET,
                 .svc            = EXYNOS_SVC_OFFSET,
                 .eint_gpio_init = exynos_eint_gpio_init,
+                .suspend        = exynos_pinctrl_suspend,
+                .resume         = exynos_pinctrl_resume,
                 .label          = "exynos4x12-gpio-ctrl3",
         },
 };
@@ -775,6 +900,8 @@ struct samsung_pin_ctrl exynos5250_pin_ctrl[] = {
                 .svc            = EXYNOS_SVC_OFFSET,
                 .eint_gpio_init = exynos_eint_gpio_init,
                 .eint_wkup_init = exynos_eint_wkup_init,
+                .suspend        = exynos_pinctrl_suspend,
+                .resume         = exynos_pinctrl_resume,
                 .label          = "exynos5250-gpio-ctrl0",
         }, {
                 /* pin-controller instance 1 data */
@@ -785,6 +912,8 @@ struct samsung_pin_ctrl exynos5250_pin_ctrl[] = {
                 .geint_pend     = EXYNOS_GPIO_EPEND_OFFSET,
                 .svc            = EXYNOS_SVC_OFFSET,
                 .eint_gpio_init = exynos_eint_gpio_init,
+                .suspend        = exynos_pinctrl_suspend,
+                .resume         = exynos_pinctrl_resume,
                 .label          = "exynos5250-gpio-ctrl1",
         }, {
                 /* pin-controller instance 2 data */
@@ -795,6 +924,8 @@ struct samsung_pin_ctrl exynos5250_pin_ctrl[] = {
                 .geint_pend     = EXYNOS_GPIO_EPEND_OFFSET,
                 .svc            = EXYNOS_SVC_OFFSET,
                 .eint_gpio_init = exynos_eint_gpio_init,
+                .suspend        = exynos_pinctrl_suspend,
+                .resume         = exynos_pinctrl_resume,
                 .label          = "exynos5250-gpio-ctrl2",
         }, {
                 /* pin-controller instance 3 data */
@@ -805,6 +936,8 @@ struct samsung_pin_ctrl exynos5250_pin_ctrl[] = {
                 .geint_pend     = EXYNOS_GPIO_EPEND_OFFSET,
                 .svc            = EXYNOS_SVC_OFFSET,
                 .eint_gpio_init = exynos_eint_gpio_init,
+                .suspend        = exynos_pinctrl_suspend,
+                .resume         = exynos_pinctrl_resume,
                 .label          = "exynos5250-gpio-ctrl3",
         },
 };
diff --git a/drivers/pinctrl/pinctrl-exynos.h b/drivers/pinctrl/pinctrl-exynos.h
index 9b1f77a5bf0f..3c91c357792f 100644
--- a/drivers/pinctrl/pinctrl-exynos.h
+++ b/drivers/pinctrl/pinctrl-exynos.h
@@ -19,6 +19,7 @@
 
 /* External GPIO and wakeup interrupt related definitions */
 #define EXYNOS_GPIO_ECON_OFFSET         0x700
+#define EXYNOS_GPIO_EFLTCON_OFFSET      0x800
 #define EXYNOS_GPIO_EMASK_OFFSET        0x900
 #define EXYNOS_GPIO_EPEND_OFFSET        0xA00
 #define EXYNOS_WKUP_ECON_OFFSET         0xE00
diff --git a/drivers/pinctrl/pinctrl-samsung.c b/drivers/pinctrl/pinctrl-samsung.c
index 055d0162098b..63ac22e89678 100644
--- a/drivers/pinctrl/pinctrl-samsung.c
+++ b/drivers/pinctrl/pinctrl-samsung.c
@@ -28,6 +28,7 @@
 #include <linux/gpio.h>
 #include <linux/irqdomain.h>
 #include <linux/spinlock.h>
+#include <linux/syscore_ops.h>
 
 #include "core.h"
 #include "pinctrl-samsung.h"
@@ -48,6 +49,9 @@ static struct pin_config {
         { "samsung,pin-pud-pdn", PINCFG_TYPE_PUD_PDN },
 };
 
+/* Global list of devices (struct samsung_pinctrl_drv_data) */
+LIST_HEAD(drvdata_list);
+
 static unsigned int pin_base;
 
 static inline struct samsung_pin_bank *gc_to_pin_bank(struct gpio_chip *gc)
@@ -956,9 +960,151 @@ static int samsung_pinctrl_probe(struct platform_device *pdev)
                 ctrl->eint_wkup_init(drvdata);
 
         platform_set_drvdata(pdev, drvdata);
+
+        /* Add to the global list */
+        list_add_tail(&drvdata->node, &drvdata_list);
+
         return 0;
 }
 
+#ifdef CONFIG_PM
+
+/**
+ * samsung_pinctrl_suspend_dev - save pinctrl state for suspend for a device
+ *
+ * Save data for all banks handled by this device.
+ */
+static void samsung_pinctrl_suspend_dev(
+        struct samsung_pinctrl_drv_data *drvdata)
+{
+        struct samsung_pin_ctrl *ctrl = drvdata->ctrl;
+        void __iomem *virt_base = drvdata->virt_base;
+        int i;
+
+        for (i = 0; i < ctrl->nr_banks; i++) {
+                struct samsung_pin_bank *bank = &ctrl->pin_banks[i];
+                void __iomem *reg = virt_base + bank->pctl_offset;
+
+                u8 *offs = bank->type->reg_offset;
+                u8 *widths = bank->type->fld_width;
+                enum pincfg_type type;
+
+                /* Registers without a powerdown config aren't lost */
+                if (!widths[PINCFG_TYPE_CON_PDN])
+                        continue;
+
+                for (type = 0; type < PINCFG_TYPE_NUM; type++)
+                        if (widths[type])
+                                bank->pm_save[type] = readl(reg + offs[type]);
+
+                if (widths[PINCFG_TYPE_FUNC] * bank->nr_pins > 32) {
+                        /* Some banks have two config registers */
+                        bank->pm_save[PINCFG_TYPE_NUM] =
+                                readl(reg + offs[PINCFG_TYPE_FUNC] + 4);
+                        pr_debug("Save %s @ %p (con %#010x %08x)\n",
+                                 bank->name, reg,
+                                 bank->pm_save[PINCFG_TYPE_FUNC],
+                                 bank->pm_save[PINCFG_TYPE_NUM]);
+                } else {
+                        pr_debug("Save %s @ %p (con %#010x)\n", bank->name,
+                                 reg, bank->pm_save[PINCFG_TYPE_FUNC]);
+                }
+        }
+
+        if (ctrl->suspend)
+                ctrl->suspend(drvdata);
+}
+
+/**
+ * samsung_pinctrl_resume_dev - restore pinctrl state from suspend for a device
+ *
+ * Restore one of the banks that was saved during suspend.
+ *
+ * We don't bother doing anything complicated to avoid glitching lines since
+ * we're called before pad retention is turned off.
+ */
+static void samsung_pinctrl_resume_dev(struct samsung_pinctrl_drv_data *drvdata)
+{
+        struct samsung_pin_ctrl *ctrl = drvdata->ctrl;
+        void __iomem *virt_base = drvdata->virt_base;
+        int i;
+
+        if (ctrl->resume)
+                ctrl->resume(drvdata);
+
+        for (i = 0; i < ctrl->nr_banks; i++) {
+                struct samsung_pin_bank *bank = &ctrl->pin_banks[i];
+                void __iomem *reg = virt_base + bank->pctl_offset;
+
+                u8 *offs = bank->type->reg_offset;
+                u8 *widths = bank->type->fld_width;
+                enum pincfg_type type;
+
+                /* Registers without a powerdown config aren't lost */
+                if (!widths[PINCFG_TYPE_CON_PDN])
+                        continue;
+
+                if (widths[PINCFG_TYPE_FUNC] * bank->nr_pins > 32) {
+                        /* Some banks have two config registers */
+                        pr_debug("%s @ %p (con %#010x %08x => %#010x %08x)\n",
+                                 bank->name, reg,
+                                 readl(reg + offs[PINCFG_TYPE_FUNC]),
+                                 readl(reg + offs[PINCFG_TYPE_FUNC] + 4),
+                                 bank->pm_save[PINCFG_TYPE_FUNC],
+                                 bank->pm_save[PINCFG_TYPE_NUM]);
+                        writel(bank->pm_save[PINCFG_TYPE_NUM],
+                               reg + offs[PINCFG_TYPE_FUNC] + 4);
+                } else {
+                        pr_debug("%s @ %p (con %#010x => %#010x)\n", bank->name,
+                                 reg, readl(reg + offs[PINCFG_TYPE_FUNC]),
+                                 bank->pm_save[PINCFG_TYPE_FUNC]);
+                }
+                for (type = 0; type < PINCFG_TYPE_NUM; type++)
+                        if (widths[type])
+                                writel(bank->pm_save[type], reg + offs[type]);
+        }
+}
+
+/**
+ * samsung_pinctrl_suspend - save pinctrl state for suspend
+ *
+ * Save data for all banks across all devices.
+ */
+static int samsung_pinctrl_suspend(void)
+{
+        struct samsung_pinctrl_drv_data *drvdata;
+
+        list_for_each_entry(drvdata, &drvdata_list, node) {
+                samsung_pinctrl_suspend_dev(drvdata);
+        }
+
+        return 0;
+}
+
+/**
+ * samsung_pinctrl_resume - restore pinctrl state for suspend
+ *
+ * Restore data for all banks across all devices.
+ */
+static void samsung_pinctrl_resume(void)
+{
+        struct samsung_pinctrl_drv_data *drvdata;
+
+        list_for_each_entry_reverse(drvdata, &drvdata_list, node) {
+                samsung_pinctrl_resume_dev(drvdata);
+        }
+}
+
+#else
+#define samsung_pinctrl_suspend         NULL
+#define samsung_pinctrl_resume          NULL
+#endif
+
+static struct syscore_ops samsung_pinctrl_syscore_ops = {
+        .suspend        = samsung_pinctrl_suspend,
+        .resume         = samsung_pinctrl_resume,
+};
+
 static const struct of_device_id samsung_pinctrl_dt_match[] = {
 #ifdef CONFIG_PINCTRL_EXYNOS
         { .compatible = "samsung,exynos4210-pinctrl",
@@ -987,6 +1133,14 @@ static struct platform_driver samsung_pinctrl_driver = {
 
 static int __init samsung_pinctrl_drv_register(void)
 {
+        /*
+         * Register syscore ops for save/restore of registers across suspend.
+         * It's important to ensure that this driver is running at an earlier
+         * initcall level than any arch-specific init calls that install syscore
+         * ops that turn off pad retention (like exynos_pm_resume).
+         */
+        register_syscore_ops(&samsung_pinctrl_syscore_ops);
+
         return platform_driver_register(&samsung_pinctrl_driver);
 }
 postcore_initcall(samsung_pinctrl_drv_register);
diff --git a/drivers/pinctrl/pinctrl-samsung.h b/drivers/pinctrl/pinctrl-samsung.h
index 7c7f9ebcd05b..26d3519240c9 100644
--- a/drivers/pinctrl/pinctrl-samsung.h
+++ b/drivers/pinctrl/pinctrl-samsung.h
@@ -127,6 +127,7 @@ struct samsung_pin_bank_type {
  * @gpio_chip: GPIO chip of the bank.
  * @grange: linux gpio pin range supported by this bank.
  * @slock: spinlock protecting bank registers
+ * @pm_save: saved register values during suspend
  */
 struct samsung_pin_bank {
         struct samsung_pin_bank_type *type;
@@ -138,12 +139,15 @@ struct samsung_pin_bank {
         u32             eint_mask;
         u32             eint_offset;
         char            *name;
+        void            *soc_priv;
         struct device_node *of_node;
         struct samsung_pinctrl_drv_data *drvdata;
         struct irq_domain *irq_domain;
         struct gpio_chip gpio_chip;
         struct pinctrl_gpio_range grange;
         spinlock_t slock;
+
+        u32 pm_save[PINCFG_TYPE_NUM + 1]; /* +1 to handle double CON registers*/
 };
 
 /**
@@ -184,11 +188,15 @@ struct samsung_pin_ctrl {
 
         int             (*eint_gpio_init)(struct samsung_pinctrl_drv_data *);
         int             (*eint_wkup_init)(struct samsung_pinctrl_drv_data *);
+        void            (*suspend)(struct samsung_pinctrl_drv_data *);
+        void            (*resume)(struct samsung_pinctrl_drv_data *);
+
         char            *label;
 };
 
 /**
  * struct samsung_pinctrl_drv_data: wrapper for holding driver data together.
+ * @node: global list node
  * @virt_base: register base address of the controller.
  * @dev: device instance representing the controller.
  * @irq: interrpt number used by the controller to notify gpio interrupts.
@@ -201,6 +209,7 @@ struct samsung_pin_ctrl {
  * @nr_function: number of such pin functions.
  */
 struct samsung_pinctrl_drv_data {
+        struct list_head                node;
         void __iomem                    *virt_base;
         struct device                   *dev;
         int                             irq;
diff --git a/drivers/pinctrl/pinctrl-sunxi.c b/drivers/pinctrl/pinctrl-sunxi.c
index c52fc2c08732..b7d8c890514c 100644
--- a/drivers/pinctrl/pinctrl-sunxi.c
+++ b/drivers/pinctrl/pinctrl-sunxi.c
@@ -1990,8 +1990,10 @@ static int sunxi_pinctrl_probe(struct platform_device *pdev)
         }
 
         clk = devm_clk_get(&pdev->dev, NULL);
-        if (IS_ERR(clk))
+        if (IS_ERR(clk)) {
+                ret = PTR_ERR(clk);
                 goto gpiochip_error;
+        }
 
         clk_prepare_enable(clk);
 
@@ -2000,7 +2002,8 @@ static int sunxi_pinctrl_probe(struct platform_device *pdev)
         return 0;
 
 gpiochip_error:
-        ret = gpiochip_remove(pctl->chip);
+        if (gpiochip_remove(pctl->chip))
+                dev_err(&pdev->dev, "failed to remove gpio chip\n");
 pinctrl_error:
         pinctrl_unregister(pctl->pctl_dev);
         return ret;
diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7779.c b/drivers/pinctrl/sh-pfc/pfc-r8a7779.c
index 791a6719d8a9..8cd90e7e945a 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a7779.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7779.c
@@ -2357,27 +2357,48 @@ static const unsigned int sdhi3_wp_mux[] = {
 };
 /* - USB0 ------------------------------------------------------------------- */
 static const unsigned int usb0_pins[] = {
-        /* OVC */
-        150, 154,
+        /* PENC */
+        154,
 };
 static const unsigned int usb0_mux[] = {
-        USB_OVC0_MARK, USB_PENC0_MARK,
+        USB_PENC0_MARK,
+};
+static const unsigned int usb0_ovc_pins[] = {
+        /* USB_OVC */
+        150
+};
+static const unsigned int usb0_ovc_mux[] = {
+        USB_OVC0_MARK,
 };
 /* - USB1 ------------------------------------------------------------------- */
 static const unsigned int usb1_pins[] = {
-        /* OVC */
-        152, 155,
+        /* PENC */
+        155,
 };
 static const unsigned int usb1_mux[] = {
-        USB_OVC1_MARK, USB_PENC1_MARK,
+        USB_PENC1_MARK,
+};
+static const unsigned int usb1_ovc_pins[] = {
+        /* USB_OVC */
+        152,
+};
+static const unsigned int usb1_ovc_mux[] = {
+        USB_OVC1_MARK,
 };
 /* - USB2 ------------------------------------------------------------------- */
 static const unsigned int usb2_pins[] = {
-        /* OVC, PENC */
-        125, 156,
+        /* PENC */
+        156,
 };
 static const unsigned int usb2_mux[] = {
-        USB_OVC2_MARK, USB_PENC2_MARK,
+        USB_PENC2_MARK,
+};
+static const unsigned int usb2_ovc_pins[] = {
+        /* USB_OVC */
+        125,
+};
+static const unsigned int usb2_ovc_mux[] = {
+        USB_OVC2_MARK,
 };
 
 static const struct sh_pfc_pin_group pinmux_groups[] = {
@@ -2501,8 +2522,11 @@ static const struct sh_pfc_pin_group pinmux_groups[] = {
         SH_PFC_PIN_GROUP(sdhi3_cd),
         SH_PFC_PIN_GROUP(sdhi3_wp),
         SH_PFC_PIN_GROUP(usb0),
+        SH_PFC_PIN_GROUP(usb0_ovc),
         SH_PFC_PIN_GROUP(usb1),
+        SH_PFC_PIN_GROUP(usb1_ovc),
         SH_PFC_PIN_GROUP(usb2),
+        SH_PFC_PIN_GROUP(usb2_ovc),
 };
 
 static const char * const du0_groups[] = {
@@ -2683,14 +2707,17 @@ static const char * const sdhi3_groups[] = {
 
 static const char * const usb0_groups[] = {
         "usb0",
+        "usb0_ovc",
 };
 
 static const char * const usb1_groups[] = {
         "usb1",
+        "usb1_ovc",
 };
 
 static const char * const usb2_groups[] = {
         "usb2",
+        "usb2_ovc",
 };
 
 static const struct sh_pfc_function pinmux_functions[] = {
diff --git a/drivers/pinctrl/vt8500/pinctrl-wmt.c b/drivers/pinctrl/vt8500/pinctrl-wmt.c
index ab63104e8dc9..70d986e04afb 100644
--- a/drivers/pinctrl/vt8500/pinctrl-wmt.c
+++ b/drivers/pinctrl/vt8500/pinctrl-wmt.c
@@ -609,8 +609,7 @@ int wmt_pinctrl_probe(struct platform_device *pdev,
         return 0;
 
 fail_range:
-        err = gpiochip_remove(&data->gpio_chip);
-        if (err)
+        if (gpiochip_remove(&data->gpio_chip))
                 dev_err(&pdev->dev, "failed to remove gpio chip\n");
 fail_gpio:
         pinctrl_unregister(data->pctl_dev);
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index 8df0c5a21be2..d111c8687f9b 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -703,7 +703,7 @@ static int hp_wmi_rfkill_setup(struct platform_device *device)
                 }
                 rfkill_init_sw_state(gps_rfkill,
                                      hp_wmi_get_sw_state(HPWMI_GPS));
-                rfkill_set_hw_state(bluetooth_rfkill,
+                rfkill_set_hw_state(gps_rfkill,
                                     hp_wmi_get_hw_state(HPWMI_GPS));
                 err = rfkill_register(gps_rfkill);
                 if (err)
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index 0d0b5d7d19d0..7b8979c63f48 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -152,6 +152,7 @@ config BATTERY_SBS
 
 config BATTERY_BQ27x00
         tristate "BQ27x00 battery driver"
+        depends on I2C || I2C=n
         help
           Say Y here to enable support for batteries with BQ27x00 (I2C/HDQ) chips.
 
@@ -284,6 +285,7 @@ config CHARGER_LP8788
         tristate "TI LP8788 charger driver"
         depends on MFD_LP8788
         depends on LP8788_ADC
+        depends on IIO
         help
           Say Y to enable support for the LP8788 linear charger.
 
diff --git a/drivers/power/pm2301_charger.c b/drivers/power/pm2301_charger.c
index a44175139bbf..fef56e2041b3 100644
--- a/drivers/power/pm2301_charger.c
+++ b/drivers/power/pm2301_charger.c
@@ -1269,5 +1269,5 @@ module_exit(pm2xxx_charger_exit);
 
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Rajkumar kasirajan, Olivier Launay");
-MODULE_ALIAS("platform:pm2xxx-charger");
+MODULE_ALIAS("i2c:pm2xxx-charger");
 MODULE_DESCRIPTION("PM2xxx charger management driver");
diff --git a/drivers/power/wm831x_backup.c b/drivers/power/wm831x_backup.c
index 58cbb009b74f..56fb509f4be0 100644
--- a/drivers/power/wm831x_backup.c
+++ b/drivers/power/wm831x_backup.c
@@ -207,7 +207,6 @@ static int wm831x_backup_remove(struct platform_device *pdev)
         struct wm831x_backup *devdata = platform_get_drvdata(pdev);
 
         power_supply_unregister(&devdata->backup);
-        kfree(devdata->backup.name);
 
         return 0;
 }
diff --git a/drivers/ptp/ptp_pch.c b/drivers/ptp/ptp_pch.c
index bea94510ad2d..71a2559278d7 100644
--- a/drivers/ptp/ptp_pch.c
+++ b/drivers/ptp/ptp_pch.c
@@ -628,9 +628,10 @@ pch_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
         chip->caps = ptp_pch_caps;
         chip->ptp_clock = ptp_clock_register(&chip->caps, &pdev->dev);
-
-        if (IS_ERR(chip->ptp_clock))
-                return PTR_ERR(chip->ptp_clock);
+        if (IS_ERR(chip->ptp_clock)) {
+                ret = PTR_ERR(chip->ptp_clock);
+                goto err_ptp_clock_reg;
+        }
 
         spin_lock_init(&chip->register_lock);
 
@@ -669,6 +670,7 @@ pch_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
 err_req_irq:
         ptp_clock_unregister(chip->ptp_clock);
+err_ptp_clock_reg:
         iounmap(chip->regs);
         chip->regs = NULL;
 
diff --git a/drivers/rapidio/Kconfig b/drivers/rapidio/Kconfig
index 6194d35ebb97..5ab056494bbe 100644
--- a/drivers/rapidio/Kconfig
+++ b/drivers/rapidio/Kconfig
@@ -47,4 +47,24 @@ config RAPIDIO_DEBUG
 
           If you are unsure about this, say N here.
 
+choice
+        prompt "Enumeration method"
+        depends on RAPIDIO
+        default RAPIDIO_ENUM_BASIC
+        help
+          There are different enumeration and discovery mechanisms offered
+          for RapidIO subsystem. You may select single built-in method or
+          or any number of methods to be built as modules.
+          Selecting a built-in method disables use of loadable methods.
+
+          If unsure, select Basic built-in.
+
+config RAPIDIO_ENUM_BASIC
+        tristate "Basic"
+        help
+          This option includes basic RapidIO fabric enumeration and discovery
+          mechanism similar to one described in RapidIO specification Annex 1.
+
+endchoice
+
 source "drivers/rapidio/switches/Kconfig"
diff --git a/drivers/rapidio/Makefile b/drivers/rapidio/Makefile
index ec3fb8121004..3036702ffe8b 100644
--- a/drivers/rapidio/Makefile
+++ b/drivers/rapidio/Makefile
@@ -1,7 +1,8 @@
 #
 # Makefile for RapidIO interconnect services
 #
-obj-y += rio.o rio-access.o rio-driver.o rio-scan.o rio-sysfs.o
+obj-y += rio.o rio-access.o rio-driver.o rio-sysfs.o
+obj-$(CONFIG_RAPIDIO_ENUM_BASIC) += rio-scan.o
 
 obj-$(CONFIG_RAPIDIO)           += switches/
 obj-$(CONFIG_RAPIDIO)           += devices/
diff --git a/drivers/rapidio/devices/tsi721.c b/drivers/rapidio/devices/tsi721.c
index 6faba406b6e9..a8b2c23a7ef4 100644
--- a/drivers/rapidio/devices/tsi721.c
+++ b/drivers/rapidio/devices/tsi721.c
@@ -471,6 +471,10 @@ static irqreturn_t tsi721_irqhandler(int irq, void *ptr)
         u32 intval;
         u32 ch_inte;
 
+        /* For MSI mode disable all device-level interrupts */
+        if (priv->flags & TSI721_USING_MSI)
+                iowrite32(0, priv->regs + TSI721_DEV_INTE);
+
         dev_int = ioread32(priv->regs + TSI721_DEV_INT);
         if (!dev_int)
                 return IRQ_NONE;
@@ -560,6 +564,14 @@ static irqreturn_t tsi721_irqhandler(int irq, void *ptr)
                 }
         }
 #endif
+
+        /* For MSI mode re-enable device-level interrupts */
+        if (priv->flags & TSI721_USING_MSI) {
+                dev_int = TSI721_DEV_INT_SR2PC_CH | TSI721_DEV_INT_SRIO |
+                        TSI721_DEV_INT_SMSG_CH | TSI721_DEV_INT_BDMA_CH;
+                iowrite32(dev_int, priv->regs + TSI721_DEV_INTE);
+        }
+
         return IRQ_HANDLED;
 }
 
diff --git a/drivers/rapidio/rio-driver.c b/drivers/rapidio/rio-driver.c
index 0f4a53bdaa3c..a0c875563d76 100644
--- a/drivers/rapidio/rio-driver.c
+++ b/drivers/rapidio/rio-driver.c
@@ -164,6 +164,13 @@ void rio_unregister_driver(struct rio_driver *rdrv)
         driver_unregister(&rdrv->driver);
 }
 
+void rio_attach_device(struct rio_dev *rdev)
+{
+        rdev->dev.bus = &rio_bus_type;
+        rdev->dev.parent = &rio_bus;
+}
+EXPORT_SYMBOL_GPL(rio_attach_device);
+
 /**
  *  rio_match_bus - Tell if a RIO device structure has a matching RIO driver device id structure
  *  @dev: the standard device structure to match against
@@ -200,6 +207,7 @@ struct bus_type rio_bus_type = {
         .name = "rapidio",
         .match = rio_match_bus,
         .dev_attrs = rio_dev_attrs,
+        .bus_attrs = rio_bus_attrs,
         .probe = rio_device_probe,
         .remove = rio_device_remove,
 };
diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c
index a965acd3c0e4..4c15dbf81087 100644
--- a/drivers/rapidio/rio-scan.c
+++ b/drivers/rapidio/rio-scan.c
@@ -37,12 +37,8 @@
 
 #include "rio.h"
 
-LIST_HEAD(rio_devices);
-
 static void rio_init_em(struct rio_dev *rdev);
 
-DEFINE_SPINLOCK(rio_global_list_lock);
-
 static int next_destid = 0;
 static int next_comptag = 1;
 
@@ -327,127 +323,6 @@ static int rio_is_switch(struct rio_dev *rdev)
 }
 
 /**
- * rio_switch_init - Sets switch operations for a particular vendor switch
- * @rdev: RIO device
- * @do_enum: Enumeration/Discovery mode flag
- *
- * Searches the RIO switch ops table for known switch types. If the vid
- * and did match a switch table entry, then call switch initialization
- * routine to setup switch-specific routines.
- */
-static void rio_switch_init(struct rio_dev *rdev, int do_enum)
-{
-        struct rio_switch_ops *cur = __start_rio_switch_ops;
-        struct rio_switch_ops *end = __end_rio_switch_ops;
-
-        while (cur < end) {
-                if ((cur->vid == rdev->vid) && (cur->did == rdev->did)) {
-                        pr_debug("RIO: calling init routine for %s\n",
-                                 rio_name(rdev));
-                        cur->init_hook(rdev, do_enum);
-                        break;
-                }
-                cur++;
-        }
-
-        if ((cur >= end) && (rdev->pef & RIO_PEF_STD_RT)) {
-                pr_debug("RIO: adding STD routing ops for %s\n",
-                        rio_name(rdev));
-                rdev->rswitch->add_entry = rio_std_route_add_entry;
-                rdev->rswitch->get_entry = rio_std_route_get_entry;
-                rdev->rswitch->clr_table = rio_std_route_clr_table;
-        }
-
-        if (!rdev->rswitch->add_entry || !rdev->rswitch->get_entry)
-                printk(KERN_ERR "RIO: missing routing ops for %s\n",
-                       rio_name(rdev));
-}
-
-/**
- * rio_add_device- Adds a RIO device to the device model
- * @rdev: RIO device
- *
- * Adds the RIO device to the global device list and adds the RIO
- * device to the RIO device list.  Creates the generic sysfs nodes
- * for an RIO device.
- */
-static int rio_add_device(struct rio_dev *rdev)
-{
-        int err;
-
-        err = device_add(&rdev->dev);
-        if (err)
-                return err;
-
-        spin_lock(&rio_global_list_lock);
-        list_add_tail(&rdev->global_list, &rio_devices);
-        spin_unlock(&rio_global_list_lock);
-
-        rio_create_sysfs_dev_files(rdev);
-
-        return 0;
-}
-
-/**
- * rio_enable_rx_tx_port - enable input receiver and output transmitter of
- * given port
- * @port: Master port associated with the RIO network
- * @local: local=1 select local port otherwise a far device is reached
- * @destid: Destination ID of the device to check host bit
- * @hopcount: Number of hops to reach the target
- * @port_num: Port (-number on switch) to enable on a far end device
- *
- * Returns 0 or 1 from on General Control Command and Status Register
- * (EXT_PTR+0x3C)
- */
-inline int rio_enable_rx_tx_port(struct rio_mport *port,
-                                 int local, u16 destid,
-                                 u8 hopcount, u8 port_num) {
-#ifdef CONFIG_RAPIDIO_ENABLE_RX_TX_PORTS
-        u32 regval;
-        u32 ext_ftr_ptr;
-
-        /*
-        * enable rx input tx output port
-        */
-        pr_debug("rio_enable_rx_tx_port(local = %d, destid = %d, hopcount = "
-                 "%d, port_num = %d)\n", local, destid, hopcount, port_num);
-
-        ext_ftr_ptr = rio_mport_get_physefb(port, local, destid, hopcount);
-
-        if (local) {
-                rio_local_read_config_32(port, ext_ftr_ptr +
-                                RIO_PORT_N_CTL_CSR(0),
-                                &regval);
-        } else {
-                if (rio_mport_read_config_32(port, destid, hopcount,
-                ext_ftr_ptr + RIO_PORT_N_CTL_CSR(port_num), &regval) < 0)
-                        return -EIO;
-        }
-
-        if (regval & RIO_PORT_N_CTL_P_TYP_SER) {
-                /* serial */
-                regval = regval | RIO_PORT_N_CTL_EN_RX_SER
-                                | RIO_PORT_N_CTL_EN_TX_SER;
-        } else {
-                /* parallel */
-                regval = regval | RIO_PORT_N_CTL_EN_RX_PAR
-                                | RIO_PORT_N_CTL_EN_TX_PAR;
-        }
-
-        if (local) {
-                rio_local_write_config_32(port, ext_ftr_ptr +
-                                          RIO_PORT_N_CTL_CSR(0), regval);
-        } else {
-                if (rio_mport_write_config_32(port, destid, hopcount,
-                    ext_ftr_ptr + RIO_PORT_N_CTL_CSR(port_num), regval) < 0)
-                        return -EIO;
-        }
-#endif
-        return 0;
-}
-
-/**
  * rio_setup_device- Allocates and sets up a RIO device
  * @net: RIO network
  * @port: Master port to send transactions
@@ -587,8 +462,7 @@ static struct rio_dev *rio_setup_device(struct rio_net *net,
                              rdev->destid);
         }
 
-        rdev->dev.bus = &rio_bus_type;
-        rdev->dev.parent = &rio_bus;
+        rio_attach_device(rdev);
 
         device_initialize(&rdev->dev);
         rdev->dev.release = rio_release_dev;
@@ -1260,19 +1134,30 @@ static void rio_pw_enable(struct rio_mport *port, int enable)
 /**
  * rio_enum_mport- Start enumeration through a master port
  * @mport: Master port to send transactions
+ * @flags: Enumeration control flags
  *
  * Starts the enumeration process. If somebody has enumerated our
  * master port device, then give up. If not and we have an active
  * link, then start recursive peer enumeration. Returns %0 if
  * enumeration succeeds or %-EBUSY if enumeration fails.
  */
-int rio_enum_mport(struct rio_mport *mport)
+int rio_enum_mport(struct rio_mport *mport, u32 flags)
 {
         struct rio_net *net = NULL;
         int rc = 0;
 
         printk(KERN_INFO "RIO: enumerate master port %d, %s\n", mport->id,
                mport->name);
+
+        /*
+         * To avoid multiple start requests (repeat enumeration is not supported
+         * by this method) check if enumeration/discovery was performed for this
+         * mport: if mport was added into the list of mports for a net exit
+         * with error.
+         */
+        if (mport->nnode.next || mport->nnode.prev)
+                return -EBUSY;
+
         /* If somebody else enumerated our master port device, bail. */
         if (rio_enum_host(mport) < 0) {
                 printk(KERN_INFO
@@ -1362,14 +1247,16 @@ static void rio_build_route_tables(struct rio_net *net)
 /**
  * rio_disc_mport- Start discovery through a master port
  * @mport: Master port to send transactions
+ * @flags: discovery control flags
  *
  * Starts the discovery process. If we have an active link,
- * then wait for the signal that enumeration is complete.
+ * then wait for the signal that enumeration is complete (if wait
+ * is allowed).
  * When enumeration completion is signaled, start recursive
  * peer discovery. Returns %0 if discovery succeeds or %-EBUSY
  * on failure.
  */
-int rio_disc_mport(struct rio_mport *mport)
+int rio_disc_mport(struct rio_mport *mport, u32 flags)
 {
         struct rio_net *net = NULL;
         unsigned long to_end;
@@ -1379,6 +1266,11 @@ int rio_disc_mport(struct rio_mport *mport)
 
         /* If master port has an active link, allocate net and discover peers */
         if (rio_mport_is_active(mport)) {
+                if (rio_enum_complete(mport))
+                        goto enum_done;
+                else if (flags & RIO_SCAN_ENUM_NO_WAIT)
+                        return -EAGAIN;
+
                 pr_debug("RIO: wait for enumeration to complete...\n");
 
                 to_end = jiffies + CONFIG_RAPIDIO_DISC_TIMEOUT * HZ;
@@ -1421,3 +1313,41 @@ enum_done:
 bail:
         return -EBUSY;
 }
+
+static struct rio_scan rio_scan_ops = {
+        .enumerate = rio_enum_mport,
+        .discover = rio_disc_mport,
+};
+
+static bool scan;
+module_param(scan, bool, 0);
+MODULE_PARM_DESC(scan, "Start RapidIO network enumeration/discovery "
+                        "(default = 0)");
+
+/**
+ * rio_basic_attach:
+ *
+ * When this enumeration/discovery method is loaded as a module this function
+ * registers its specific enumeration and discover routines for all available
+ * RapidIO mport devices. The "scan" command line parameter controls ability of
+ * the module to start RapidIO enumeration/discovery automatically.
+ *
+ * Returns 0 for success or -EIO if unable to register itself.
+ *
+ * This enumeration/discovery method cannot be unloaded and therefore does not
+ * provide a matching cleanup_module routine.
+ */
+
+static int __init rio_basic_attach(void)
+{
+        if (rio_register_scan(RIO_MPORT_ANY, &rio_scan_ops))
+                return -EIO;
+        if (scan)
+                rio_init_mports();
+        return 0;
+}
+
+late_initcall(rio_basic_attach);
+
+MODULE_DESCRIPTION("Basic RapidIO enumeration/discovery");
+MODULE_LICENSE("GPL");
diff --git a/drivers/rapidio/rio-sysfs.c b/drivers/rapidio/rio-sysfs.c
index 4dbe360989be..66d4acd5e18f 100644
--- a/drivers/rapidio/rio-sysfs.c
+++ b/drivers/rapidio/rio-sysfs.c
@@ -285,3 +285,48 @@ void rio_remove_sysfs_dev_files(struct rio_dev *rdev)
                         rdev->rswitch->sw_sysfs(rdev, RIO_SW_SYSFS_REMOVE);
         }
 }
+
+static ssize_t bus_scan_store(struct bus_type *bus, const char *buf,
+                                size_t count)
+{
+        long val;
+        struct rio_mport *port = NULL;
+        int rc;
+
+        if (kstrtol(buf, 0, &val) < 0)
+                return -EINVAL;
+
+        if (val == RIO_MPORT_ANY) {
+                rc = rio_init_mports();
+                goto exit;
+        }
+
+        if (val < 0 || val >= RIO_MAX_MPORTS)
+                return -EINVAL;
+
+        port = rio_find_mport((int)val);
+
+        if (!port) {
+                pr_debug("RIO: %s: mport_%d not available\n",
+                         __func__, (int)val);
+                return -EINVAL;
+        }
+
+        if (!port->nscan)
+                return -EINVAL;
+
+        if (port->host_deviceid >= 0)
+                rc = port->nscan->enumerate(port, 0);
+        else
+                rc = port->nscan->discover(port, RIO_SCAN_ENUM_NO_WAIT);
+exit:
+        if (!rc)
+                rc = count;
+
+        return rc;
+}
+
+struct bus_attribute rio_bus_attrs[] = {
+        __ATTR(scan, (S_IWUSR|S_IWGRP), NULL, bus_scan_store),
+        __ATTR_NULL
+};
diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c
index d553b5d13722..cb1c08996fbb 100644
--- a/drivers/rapidio/rio.c
+++ b/drivers/rapidio/rio.c
@@ -31,7 +31,11 @@
 
 #include "rio.h"
 
+static LIST_HEAD(rio_devices);
+static DEFINE_SPINLOCK(rio_global_list_lock);
+
 static LIST_HEAD(rio_mports);
+static DEFINE_MUTEX(rio_mport_list_lock);
 static unsigned char next_portid;
 static DEFINE_SPINLOCK(rio_mmap_lock);
 
@@ -53,6 +57,32 @@ u16 rio_local_get_device_id(struct rio_mport *port)
 }
 
 /**
+ * rio_add_device- Adds a RIO device to the device model
+ * @rdev: RIO device
+ *
+ * Adds the RIO device to the global device list and adds the RIO
+ * device to the RIO device list.  Creates the generic sysfs nodes
+ * for an RIO device.
+ */
+int rio_add_device(struct rio_dev *rdev)
+{
+        int err;
+
+        err = device_add(&rdev->dev);
+        if (err)
+                return err;
+
+        spin_lock(&rio_global_list_lock);
+        list_add_tail(&rdev->global_list, &rio_devices);
+        spin_unlock(&rio_global_list_lock);
+
+        rio_create_sysfs_dev_files(rdev);
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(rio_add_device);
+
+/**
  * rio_request_inb_mbox - request inbound mailbox service
  * @mport: RIO master port from which to allocate the mailbox resource
  * @dev_id: Device specific pointer to pass on event
@@ -489,6 +519,7 @@ rio_mport_get_physefb(struct rio_mport *port, int local,
 
         return ext_ftr_ptr;
 }
+EXPORT_SYMBOL_GPL(rio_mport_get_physefb);
 
 /**
  * rio_get_comptag - Begin or continue searching for a RIO device by component tag
@@ -521,6 +552,7 @@ exit:
         spin_unlock(&rio_global_list_lock);
         return rdev;
 }
+EXPORT_SYMBOL_GPL(rio_get_comptag);
 
 /**
  * rio_set_port_lockout - Sets/clears LOCKOUT bit (RIO EM 1.3) for a switch port.
@@ -545,6 +577,107 @@ int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock)
                                   regval);
         return 0;
 }
+EXPORT_SYMBOL_GPL(rio_set_port_lockout);
+
+/**
+ * rio_switch_init - Sets switch operations for a particular vendor switch
+ * @rdev: RIO device
+ * @do_enum: Enumeration/Discovery mode flag
+ *
+ * Searches the RIO switch ops table for known switch types. If the vid
+ * and did match a switch table entry, then call switch initialization
+ * routine to setup switch-specific routines.
+ */
+void rio_switch_init(struct rio_dev *rdev, int do_enum)
+{
+        struct rio_switch_ops *cur = __start_rio_switch_ops;
+        struct rio_switch_ops *end = __end_rio_switch_ops;
+
+        while (cur < end) {
+                if ((cur->vid == rdev->vid) && (cur->did == rdev->did)) {
+                        pr_debug("RIO: calling init routine for %s\n",
+                                 rio_name(rdev));
+                        cur->init_hook(rdev, do_enum);
+                        break;
+                }
+                cur++;
+        }
+
+        if ((cur >= end) && (rdev->pef & RIO_PEF_STD_RT)) {
+                pr_debug("RIO: adding STD routing ops for %s\n",
+                        rio_name(rdev));
+                rdev->rswitch->add_entry = rio_std_route_add_entry;
+                rdev->rswitch->get_entry = rio_std_route_get_entry;
+                rdev->rswitch->clr_table = rio_std_route_clr_table;
+        }
+
+        if (!rdev->rswitch->add_entry || !rdev->rswitch->get_entry)
+                printk(KERN_ERR "RIO: missing routing ops for %s\n",
+                       rio_name(rdev));
+}
+EXPORT_SYMBOL_GPL(rio_switch_init);
+
+/**
+ * rio_enable_rx_tx_port - enable input receiver and output transmitter of
+ * given port
+ * @port: Master port associated with the RIO network
+ * @local: local=1 select local port otherwise a far device is reached
+ * @destid: Destination ID of the device to check host bit
+ * @hopcount: Number of hops to reach the target
+ * @port_num: Port (-number on switch) to enable on a far end device
+ *
+ * Returns 0 or 1 from on General Control Command and Status Register
+ * (EXT_PTR+0x3C)
+ */
+int rio_enable_rx_tx_port(struct rio_mport *port,
+                          int local, u16 destid,
+                          u8 hopcount, u8 port_num)
+{
+#ifdef CONFIG_RAPIDIO_ENABLE_RX_TX_PORTS
+        u32 regval;
+        u32 ext_ftr_ptr;
+
+        /*
+        * enable rx input tx output port
+        */
+        pr_debug("rio_enable_rx_tx_port(local = %d, destid = %d, hopcount = "
+                 "%d, port_num = %d)\n", local, destid, hopcount, port_num);
+
+        ext_ftr_ptr = rio_mport_get_physefb(port, local, destid, hopcount);
+
+        if (local) {
+                rio_local_read_config_32(port, ext_ftr_ptr +
+                                RIO_PORT_N_CTL_CSR(0),
+                                &regval);
+        } else {
+                if (rio_mport_read_config_32(port, destid, hopcount,
+                ext_ftr_ptr + RIO_PORT_N_CTL_CSR(port_num), &regval) < 0)
+                        return -EIO;
+        }
+
+        if (regval & RIO_PORT_N_CTL_P_TYP_SER) {
+                /* serial */
+                regval = regval | RIO_PORT_N_CTL_EN_RX_SER
+                                | RIO_PORT_N_CTL_EN_TX_SER;
+        } else {
+                /* parallel */
+                regval = regval | RIO_PORT_N_CTL_EN_RX_PAR
+                                | RIO_PORT_N_CTL_EN_TX_PAR;
+        }
+
+        if (local) {
+                rio_local_write_config_32(port, ext_ftr_ptr +
+                                          RIO_PORT_N_CTL_CSR(0), regval);
+        } else {
+                if (rio_mport_write_config_32(port, destid, hopcount,
+                    ext_ftr_ptr + RIO_PORT_N_CTL_CSR(port_num), regval) < 0)
+                        return -EIO;
+        }
+#endif
+        return 0;
+}
+EXPORT_SYMBOL_GPL(rio_enable_rx_tx_port);
+
 
 /**
  * rio_chk_dev_route - Validate route to the specified device.
@@ -610,6 +743,7 @@ rio_mport_chk_dev_access(struct rio_mport *mport, u16 destid, u8 hopcount)
 
         return 0;
 }
+EXPORT_SYMBOL_GPL(rio_mport_chk_dev_access);
 
 /**
  * rio_chk_dev_access - Validate access to the specified device.
@@ -941,6 +1075,7 @@ rio_mport_get_efb(struct rio_mport *port, int local, u16 destid,
                 return RIO_GET_BLOCK_ID(reg_val);
         }
 }
+EXPORT_SYMBOL_GPL(rio_mport_get_efb);
 
 /**
  * rio_mport_get_feature - query for devices' extended features
@@ -997,6 +1132,7 @@ rio_mport_get_feature(struct rio_mport * port, int local, u16 destid,
 
         return 0;
 }
+EXPORT_SYMBOL_GPL(rio_mport_get_feature);
 
 /**
  * rio_get_asm - Begin or continue searching for a RIO device by vid/did/asm_vid/asm_did
@@ -1246,6 +1382,95 @@ EXPORT_SYMBOL_GPL(rio_dma_prep_slave_sg);
 
 #endif /* CONFIG_RAPIDIO_DMA_ENGINE */
 
+/**
+ * rio_find_mport - find RIO mport by its ID
+ * @mport_id: number (ID) of mport device
+ *
+ * Given a RIO mport number, the desired mport is located
+ * in the global list of mports. If the mport is found, a pointer to its
+ * data structure is returned.  If no mport is found, %NULL is returned.
+ */
+struct rio_mport *rio_find_mport(int mport_id)
+{
+        struct rio_mport *port;
+
+        mutex_lock(&rio_mport_list_lock);
+        list_for_each_entry(port, &rio_mports, node) {
+                if (port->id == mport_id)
+                        goto found;
+        }
+        port = NULL;
+found:
+        mutex_unlock(&rio_mport_list_lock);
+
+        return port;
+}
+
+/**
+ * rio_register_scan - enumeration/discovery method registration interface
+ * @mport_id: mport device ID for which fabric scan routine has to be set
+ *            (RIO_MPORT_ANY = set for all available mports)
+ * @scan_ops: enumeration/discovery control structure
+ *
+ * Assigns enumeration or discovery method to the specified mport device (or all
+ * available mports if RIO_MPORT_ANY is specified).
+ * Returns error if the mport already has an enumerator attached to it.
+ * In case of RIO_MPORT_ANY ignores ports with valid scan routines and returns
+ * an error if was unable to find at least one available mport.
+ */
+int rio_register_scan(int mport_id, struct rio_scan *scan_ops)
+{
+        struct rio_mport *port;
+        int rc = -EBUSY;
+
+        mutex_lock(&rio_mport_list_lock);
+        list_for_each_entry(port, &rio_mports, node) {
+                if (port->id == mport_id || mport_id == RIO_MPORT_ANY) {
+                        if (port->nscan && mport_id == RIO_MPORT_ANY)
+                                continue;
+                        else if (port->nscan)
+                                break;
+
+                        port->nscan = scan_ops;
+                        rc = 0;
+
+                        if (mport_id != RIO_MPORT_ANY)
+                                break;
+                }
+        }
+        mutex_unlock(&rio_mport_list_lock);
+
+        return rc;
+}
+EXPORT_SYMBOL_GPL(rio_register_scan);
+
+/**
+ * rio_unregister_scan - removes enumeration/discovery method from mport
+ * @mport_id: mport device ID for which fabric scan routine has to be
+ *            unregistered (RIO_MPORT_ANY = set for all available mports)
+ *
+ * Removes enumeration or discovery method assigned to the specified mport
+ * device (or all available mports if RIO_MPORT_ANY is specified).
+ */
+int rio_unregister_scan(int mport_id)
+{
+        struct rio_mport *port;
+
+        mutex_lock(&rio_mport_list_lock);
+        list_for_each_entry(port, &rio_mports, node) {
+                if (port->id == mport_id || mport_id == RIO_MPORT_ANY) {
+                        if (port->nscan)
+                                port->nscan = NULL;
+                        if (mport_id != RIO_MPORT_ANY)
+                                break;
+                }
+        }
+        mutex_unlock(&rio_mport_list_lock);
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(rio_unregister_scan);
+
 static void rio_fixup_device(struct rio_dev *dev)
 {
 }
@@ -1274,7 +1499,7 @@ static void disc_work_handler(struct work_struct *_work)
         work = container_of(_work, struct rio_disc_work, work);
         pr_debug("RIO: discovery work for mport %d %s\n",
                  work->mport->id, work->mport->name);
-        rio_disc_mport(work->mport);
+        work->mport->nscan->discover(work->mport, 0);
 }
 
 int rio_init_mports(void)
@@ -1290,12 +1515,15 @@ int rio_init_mports(void)
          * First, run enumerations and check if we need to perform discovery
          * on any of the registered mports.
          */
+        mutex_lock(&rio_mport_list_lock);
         list_for_each_entry(port, &rio_mports, node) {
-                if (port->host_deviceid >= 0)
-                        rio_enum_mport(port);
-                else
+                if (port->host_deviceid >= 0) {
+                        if (port->nscan)
+                                port->nscan->enumerate(port, 0);
+                } else
                         n++;
         }
+        mutex_unlock(&rio_mport_list_lock);
 
         if (!n)
                 goto no_disc;
@@ -1322,14 +1550,16 @@ int rio_init_mports(void)
         }
 
         n = 0;
+        mutex_lock(&rio_mport_list_lock);
         list_for_each_entry(port, &rio_mports, node) {
-                if (port->host_deviceid < 0) {
+                if (port->host_deviceid < 0 && port->nscan) {
                         work[n].mport = port;
                         INIT_WORK(&work[n].work, disc_work_handler);
                         queue_work(rio_wq, &work[n].work);
                         n++;
                 }
         }
+        mutex_unlock(&rio_mport_list_lock);
 
         flush_workqueue(rio_wq);
         pr_debug("RIO: destroy discovery workqueue\n");
@@ -1342,8 +1572,6 @@ no_disc:
         return 0;
 }
 
-device_initcall_sync(rio_init_mports);
-
 static int hdids[RIO_MAX_MPORTS + 1];
 
 static int rio_get_hdid(int index)
@@ -1371,7 +1599,10 @@ int rio_register_mport(struct rio_mport *port)
 
         port->id = next_portid++;
         port->host_deviceid = rio_get_hdid(port->id);
+        port->nscan = NULL;
+        mutex_lock(&rio_mport_list_lock);
         list_add_tail(&port->node, &rio_mports);
+        mutex_unlock(&rio_mport_list_lock);
         return 0;
 }
 
@@ -1386,3 +1617,4 @@ EXPORT_SYMBOL_GPL(rio_request_inb_mbox);
 EXPORT_SYMBOL_GPL(rio_release_inb_mbox);
 EXPORT_SYMBOL_GPL(rio_request_outb_mbox);
 EXPORT_SYMBOL_GPL(rio_release_outb_mbox);
+EXPORT_SYMBOL_GPL(rio_init_mports);
diff --git a/drivers/rapidio/rio.h b/drivers/rapidio/rio.h
index b1af414f15e6..c14f864dea5c 100644
--- a/drivers/rapidio/rio.h
+++ b/drivers/rapidio/rio.h
@@ -15,6 +15,7 @@
 #include <linux/rio.h>
 
 #define RIO_MAX_CHK_RETRY       3
+#define RIO_MPORT_ANY           (-1)
 
 /* Functions internal to the RIO core code */
 
@@ -27,8 +28,6 @@ extern u32 rio_mport_get_efb(struct rio_mport *port, int local, u16 destid,
 extern int rio_mport_chk_dev_access(struct rio_mport *mport, u16 destid,
                                     u8 hopcount);
 extern int rio_create_sysfs_dev_files(struct rio_dev *rdev);
-extern int rio_enum_mport(struct rio_mport *mport);
-extern int rio_disc_mport(struct rio_mport *mport);
 extern int rio_std_route_add_entry(struct rio_mport *mport, u16 destid,
                                    u8 hopcount, u16 table, u16 route_destid,
                                    u8 route_port);
@@ -39,10 +38,18 @@ extern int rio_std_route_clr_table(struct rio_mport *mport, u16 destid,
                                    u8 hopcount, u16 table);
 extern int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock);
 extern struct rio_dev *rio_get_comptag(u32 comp_tag, struct rio_dev *from);
+extern int rio_add_device(struct rio_dev *rdev);
+extern void rio_switch_init(struct rio_dev *rdev, int do_enum);
+extern int rio_enable_rx_tx_port(struct rio_mport *port, int local, u16 destid,
+                                 u8 hopcount, u8 port_num);
+extern int rio_register_scan(int mport_id, struct rio_scan *scan_ops);
+extern int rio_unregister_scan(int mport_id);
+extern void rio_attach_device(struct rio_dev *rdev);
+extern struct rio_mport *rio_find_mport(int mport_id);
 
 /* Structures internal to the RIO core code */
 extern struct device_attribute rio_dev_attrs[];
-extern spinlock_t rio_global_list_lock;
+extern struct bus_attribute rio_bus_attrs[];
 
 extern struct rio_switch_ops __start_rio_switch_ops[];
 extern struct rio_switch_ops __end_rio_switch_ops[];
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 6e5017841582..815d6df8bd5f 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1539,7 +1539,10 @@ static void regulator_ena_gpio_free(struct regulator_dev *rdev)
 }
 
 /**
- * Balance enable_count of each GPIO and actual GPIO pin control.
+ * regulator_ena_gpio_ctrl - balance enable_count of each GPIO and actual GPIO pin control
+ * @rdev: regulator_dev structure
+ * @enable: enable GPIO at initial use?
+ *
  * GPIO is enabled in case of initial use. (enable_count is 0)
  * GPIO is disabled when it is not shared any more. (enable_count <= 1)
  */
@@ -2702,7 +2705,7 @@ EXPORT_SYMBOL_GPL(regulator_get_voltage);
 /**
  * regulator_set_current_limit - set regulator output current limit
  * @regulator: regulator source
- * @min_uA: Minimuum supported current in uA
+ * @min_uA: Minimum supported current in uA
  * @max_uA: Maximum supported current in uA
  *
  * Sets current sink to the desired output current. This can be set during
diff --git a/drivers/regulator/dbx500-prcmu.c b/drivers/regulator/dbx500-prcmu.c
index 89bd2faaef8c..ce89f7848a57 100644
--- a/drivers/regulator/dbx500-prcmu.c
+++ b/drivers/regulator/dbx500-prcmu.c
@@ -24,18 +24,6 @@
 static int power_state_active_cnt; /* will initialize to zero */
 static DEFINE_SPINLOCK(power_state_active_lock);
 
-int power_state_active_get(void)
-{
-        unsigned long flags;
-        int cnt;
-
-        spin_lock_irqsave(&power_state_active_lock, flags);
-        cnt = power_state_active_cnt;
-        spin_unlock_irqrestore(&power_state_active_lock, flags);
-
-        return cnt;
-}
-
 void power_state_active_enable(void)
 {
         unsigned long flags;
@@ -65,6 +53,18 @@ out:
 
 #ifdef CONFIG_REGULATOR_DEBUG
 
+static int power_state_active_get(void)
+{
+        unsigned long flags;
+        int cnt;
+
+        spin_lock_irqsave(&power_state_active_lock, flags);
+        cnt = power_state_active_cnt;
+        spin_unlock_irqrestore(&power_state_active_lock, flags);
+
+        return cnt;
+}
+
 static struct ux500_regulator_debug {
         struct dentry *dir;
         struct dentry *status_file;
diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
index 92ceed0fc65e..3ae44ac12a94 100644
--- a/drivers/regulator/palmas-regulator.c
+++ b/drivers/regulator/palmas-regulator.c
@@ -840,7 +840,7 @@ static int palmas_regulators_probe(struct platform_device *pdev)
                         break;
                 }
 
-                if ((id == PALMAS_REG_SMPS6) && (id == PALMAS_REG_SMPS8))
+                if ((id == PALMAS_REG_SMPS6) || (id == PALMAS_REG_SMPS8))
                         ramp_delay_support = true;
 
                 if (ramp_delay_support) {
@@ -878,7 +878,7 @@ static int palmas_regulators_probe(struct platform_device *pdev)
                         pmic->desc[id].vsel_mask = SMPS10_VSEL;
                         pmic->desc[id].enable_reg =
                                         PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
-                                                        PALMAS_SMPS10_STATUS);
+                                                        PALMAS_SMPS10_CTRL);
                         pmic->desc[id].enable_mask = SMPS10_BOOST_EN;
                         pmic->desc[id].min_uV = 3750000;
                         pmic->desc[id].uV_step = 1250000;
diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c
index 0eab77b22340..f296f3f7db9b 100644
--- a/drivers/rtc/rtc-at91rm9200.c
+++ b/drivers/rtc/rtc-at91rm9200.c
@@ -25,6 +25,7 @@
 #include <linux/rtc.h>
 #include <linux/bcd.h>
 #include <linux/interrupt.h>
+#include <linux/spinlock.h>
 #include <linux/ioctl.h>
 #include <linux/completion.h>
 #include <linux/io.h>
@@ -42,10 +43,65 @@
 
 #define AT91_RTC_EPOCH          1900UL  /* just like arch/arm/common/rtctime.c */
 
+struct at91_rtc_config {
+        bool use_shadow_imr;
+};
+
+static const struct at91_rtc_config *at91_rtc_config;
 static DECLARE_COMPLETION(at91_rtc_updated);
 static unsigned int at91_alarm_year = AT91_RTC_EPOCH;
 static void __iomem *at91_rtc_regs;
 static int irq;
+static DEFINE_SPINLOCK(at91_rtc_lock);
+static u32 at91_rtc_shadow_imr;
+
+static void at91_rtc_write_ier(u32 mask)
+{
+        unsigned long flags;
+
+        spin_lock_irqsave(&at91_rtc_lock, flags);
+        at91_rtc_shadow_imr |= mask;
+        at91_rtc_write(AT91_RTC_IER, mask);
+        spin_unlock_irqrestore(&at91_rtc_lock, flags);
+}
+
+static void at91_rtc_write_idr(u32 mask)
+{
+        unsigned long flags;
+
+        spin_lock_irqsave(&at91_rtc_lock, flags);
+        at91_rtc_write(AT91_RTC_IDR, mask);
+        /*
+         * Register read back (of any RTC-register) needed to make sure
+         * IDR-register write has reached the peripheral before updating
+         * shadow mask.
+         *
+         * Note that there is still a possibility that the mask is updated
+         * before interrupts have actually been disabled in hardware. The only
+         * way to be certain would be to poll the IMR-register, which is is
+         * the very register we are trying to emulate. The register read back
+         * is a reasonable heuristic.
+         */
+        at91_rtc_read(AT91_RTC_SR);
+        at91_rtc_shadow_imr &= ~mask;
+        spin_unlock_irqrestore(&at91_rtc_lock, flags);
+}
+
+static u32 at91_rtc_read_imr(void)
+{
+        unsigned long flags;
+        u32 mask;
+
+        if (at91_rtc_config->use_shadow_imr) {
+                spin_lock_irqsave(&at91_rtc_lock, flags);
+                mask = at91_rtc_shadow_imr;
+                spin_unlock_irqrestore(&at91_rtc_lock, flags);
+        } else {
+                mask = at91_rtc_read(AT91_RTC_IMR);
+        }
+
+        return mask;
+}
 
 /*
  * Decode time/date into rtc_time structure
@@ -110,9 +166,9 @@ static int at91_rtc_settime(struct device *dev, struct rtc_time *tm)
         cr = at91_rtc_read(AT91_RTC_CR);
         at91_rtc_write(AT91_RTC_CR, cr | AT91_RTC_UPDCAL | AT91_RTC_UPDTIM);
 
-        at91_rtc_write(AT91_RTC_IER, AT91_RTC_ACKUPD);
+        at91_rtc_write_ier(AT91_RTC_ACKUPD);
         wait_for_completion(&at91_rtc_updated); /* wait for ACKUPD interrupt */
-        at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ACKUPD);
+        at91_rtc_write_idr(AT91_RTC_ACKUPD);
 
         at91_rtc_write(AT91_RTC_TIMR,
                           bin2bcd(tm->tm_sec) << 0
@@ -144,7 +200,7 @@ static int at91_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
         tm->tm_yday = rtc_year_days(tm->tm_mday, tm->tm_mon, tm->tm_year);
         tm->tm_year = at91_alarm_year - 1900;
 
-        alrm->enabled = (at91_rtc_read(AT91_RTC_IMR) & AT91_RTC_ALARM)
+        alrm->enabled = (at91_rtc_read_imr() & AT91_RTC_ALARM)
                         ? 1 : 0;
 
         dev_dbg(dev, "%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __func__,
@@ -169,7 +225,7 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
         tm.tm_min = alrm->time.tm_min;
         tm.tm_sec = alrm->time.tm_sec;
 
-        at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ALARM);
+        at91_rtc_write_idr(AT91_RTC_ALARM);
         at91_rtc_write(AT91_RTC_TIMALR,
                   bin2bcd(tm.tm_sec) << 0
                 | bin2bcd(tm.tm_min) << 8
@@ -182,7 +238,7 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
 
         if (alrm->enabled) {
                 at91_rtc_write(AT91_RTC_SCCR, AT91_RTC_ALARM);
-                at91_rtc_write(AT91_RTC_IER, AT91_RTC_ALARM);
+                at91_rtc_write_ier(AT91_RTC_ALARM);
         }
 
         dev_dbg(dev, "%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __func__,
@@ -198,9 +254,9 @@ static int at91_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 
         if (enabled) {
                 at91_rtc_write(AT91_RTC_SCCR, AT91_RTC_ALARM);
-                at91_rtc_write(AT91_RTC_IER, AT91_RTC_ALARM);
+                at91_rtc_write_ier(AT91_RTC_ALARM);
         } else
-                at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ALARM);
+                at91_rtc_write_idr(AT91_RTC_ALARM);
 
         return 0;
 }
@@ -209,7 +265,7 @@ static int at91_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
  */
 static int at91_rtc_proc(struct device *dev, struct seq_file *seq)
 {
-        unsigned long imr = at91_rtc_read(AT91_RTC_IMR);
+        unsigned long imr = at91_rtc_read_imr();
 
         seq_printf(seq, "update_IRQ\t: %s\n",
                         (imr & AT91_RTC_ACKUPD) ? "yes" : "no");
@@ -229,7 +285,7 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id)
         unsigned int rtsr;
         unsigned long events = 0;
 
-        rtsr = at91_rtc_read(AT91_RTC_SR) & at91_rtc_read(AT91_RTC_IMR);
+        rtsr = at91_rtc_read(AT91_RTC_SR) & at91_rtc_read_imr();
         if (rtsr) {             /* this interrupt is shared!  Is it ours? */
                 if (rtsr & AT91_RTC_ALARM)
                         events |= (RTC_AF | RTC_IRQF);
@@ -250,6 +306,43 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id)
         return IRQ_NONE;                /* not handled */
 }
 
+static const struct at91_rtc_config at91rm9200_config = {
+};
+
+static const struct at91_rtc_config at91sam9x5_config = {
+        .use_shadow_imr = true,
+};
+
+#ifdef CONFIG_OF
+static const struct of_device_id at91_rtc_dt_ids[] = {
+        {
+                .compatible = "atmel,at91rm9200-rtc",
+                .data = &at91rm9200_config,
+        }, {
+                .compatible = "atmel,at91sam9x5-rtc",
+                .data = &at91sam9x5_config,
+        }, {
+                /* sentinel */
+        }
+};
+MODULE_DEVICE_TABLE(of, at91_rtc_dt_ids);
+#endif
+
+static const struct at91_rtc_config *
+at91_rtc_get_config(struct platform_device *pdev)
+{
+        const struct of_device_id *match;
+
+        if (pdev->dev.of_node) {
+                match = of_match_node(at91_rtc_dt_ids, pdev->dev.of_node);
+                if (!match)
+                        return NULL;
+                return (const struct at91_rtc_config *)match->data;
+        }
+
+        return &at91rm9200_config;
+}
+
 static const struct rtc_class_ops at91_rtc_ops = {
         .read_time      = at91_rtc_readtime,
         .set_time       = at91_rtc_settime,
@@ -268,6 +361,10 @@ static int __init at91_rtc_probe(struct platform_device *pdev)
         struct resource *regs;
         int ret = 0;
 
+        at91_rtc_config = at91_rtc_get_config(pdev);
+        if (!at91_rtc_config)
+                return -ENODEV;
+
         regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         if (!regs) {
                 dev_err(&pdev->dev, "no mmio resource defined\n");
@@ -290,7 +387,7 @@ static int __init at91_rtc_probe(struct platform_device *pdev)
         at91_rtc_write(AT91_RTC_MR, 0);         /* 24 hour mode */
 
         /* Disable all interrupts */
-        at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ACKUPD | AT91_RTC_ALARM |
+        at91_rtc_write_idr(AT91_RTC_ACKUPD | AT91_RTC_ALARM |
                                         AT91_RTC_SECEV | AT91_RTC_TIMEV |
                                         AT91_RTC_CALEV);
 
@@ -335,7 +432,7 @@ static int __exit at91_rtc_remove(struct platform_device *pdev)
         struct rtc_device *rtc = platform_get_drvdata(pdev);
 
         /* Disable all interrupts */
-        at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ACKUPD | AT91_RTC_ALARM |
+        at91_rtc_write_idr(AT91_RTC_ACKUPD | AT91_RTC_ALARM |
                                         AT91_RTC_SECEV | AT91_RTC_TIMEV |
                                         AT91_RTC_CALEV);
         free_irq(irq, pdev);
@@ -358,13 +455,13 @@ static int at91_rtc_suspend(struct device *dev)
         /* this IRQ is shared with DBGU and other hardware which isn't
          * necessarily doing PM like we are...
          */
-        at91_rtc_imr = at91_rtc_read(AT91_RTC_IMR)
+        at91_rtc_imr = at91_rtc_read_imr()
                         & (AT91_RTC_ALARM|AT91_RTC_SECEV);
         if (at91_rtc_imr) {
                 if (device_may_wakeup(dev))
                         enable_irq_wake(irq);
                 else
-                        at91_rtc_write(AT91_RTC_IDR, at91_rtc_imr);
+                        at91_rtc_write_idr(at91_rtc_imr);
         }
         return 0;
 }
@@ -375,7 +472,7 @@ static int at91_rtc_resume(struct device *dev)
                 if (device_may_wakeup(dev))
                         disable_irq_wake(irq);
                 else
-                        at91_rtc_write(AT91_RTC_IER, at91_rtc_imr);
+                        at91_rtc_write_ier(at91_rtc_imr);
         }
         return 0;
 }
@@ -383,12 +480,6 @@ static int at91_rtc_resume(struct device *dev)
 
 static SIMPLE_DEV_PM_OPS(at91_rtc_pm_ops, at91_rtc_suspend, at91_rtc_resume);
 
-static const struct of_device_id at91_rtc_dt_ids[] = {
-        { .compatible = "atmel,at91rm9200-rtc" },
-        { /* sentinel */ }
-};
-MODULE_DEVICE_TABLE(of, at91_rtc_dt_ids);
-
 static struct platform_driver at91_rtc_driver = {
         .remove         = __exit_p(at91_rtc_remove),
         .driver         = {
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index cc5bea9c4b1c..f1cb706445c7 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -854,6 +854,9 @@ static int cmos_resume(struct device *dev)
                 }
 
                 spin_lock_irq(&rtc_lock);
+                if (device_may_wakeup(dev))
+                        hpet_rtc_timer_init();
+
                 do {
                         CMOS_WRITE(tmp, RTC_CONTROL);
                         hpet_set_rtc_irq_bit(tmp & RTC_IRQMASK);
@@ -869,7 +872,6 @@ static int cmos_resume(struct device *dev)
                         rtc_update_irq(cmos->rtc, 1, mask);
                         tmp &= ~RTC_AIE;
                         hpet_mask_rtc_irq_bit(RTC_AIE);
-                        hpet_rtc_timer_init();
                 } while (mask & RTC_AIE);
                 spin_unlock_irq(&rtc_lock);
         }
diff --git a/drivers/rtc/rtc-max8998.c b/drivers/rtc/rtc-max8998.c
index 48b6612fae7f..d5af7baa48b5 100644
--- a/drivers/rtc/rtc-max8998.c
+++ b/drivers/rtc/rtc-max8998.c
@@ -285,7 +285,7 @@ static int max8998_rtc_probe(struct platform_device *pdev)
                         info->irq, ret);
 
         dev_info(&pdev->dev, "RTC CHIP NAME: %s\n", pdev->id_entry->name);
-        if (pdata->rtc_delay) {
+        if (pdata && pdata->rtc_delay) {
                 info->lp3974_bug_workaround = true;
                 dev_warn(&pdev->dev, "LP3974 with RTC REGERR option."
                                 " RTC updates will be extremely slow.\n");
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index 8900ea784817..0f0609b1aa2c 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -306,7 +306,7 @@ static int pl031_remove(struct amba_device *adev)
         struct pl031_local *ldata = dev_get_drvdata(&adev->dev);
 
         amba_set_drvdata(adev, NULL);
-        free_irq(adev->irq[0], ldata->rtc);
+        free_irq(adev->irq[0], ldata);
         rtc_device_unregister(ldata->rtc);
         iounmap(ldata->base);
         kfree(ldata);
diff --git a/drivers/rtc/rtc-tps6586x.c b/drivers/rtc/rtc-tps6586x.c
index 459c2ffc95a6..426901cef14f 100644
--- a/drivers/rtc/rtc-tps6586x.c
+++ b/drivers/rtc/rtc-tps6586x.c
@@ -273,6 +273,8 @@ static int tps6586x_rtc_probe(struct platform_device *pdev)
                 return ret;
         }
 
+        device_init_wakeup(&pdev->dev, 1);
+
         platform_set_drvdata(pdev, rtc);
         rtc->rtc = devm_rtc_device_register(&pdev->dev, dev_name(&pdev->dev),
                                        &tps6586x_rtc_ops, THIS_MODULE);
@@ -292,7 +294,6 @@ static int tps6586x_rtc_probe(struct platform_device *pdev)
                 goto fail_rtc_register;
         }
         disable_irq(rtc->irq);
-        device_set_wakeup_capable(&pdev->dev, 1);
         return 0;
 
 fail_rtc_register:
diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c
index 8751a5240c99..b2eab34f38d9 100644
--- a/drivers/rtc/rtc-twl.c
+++ b/drivers/rtc/rtc-twl.c
@@ -524,6 +524,7 @@ static int twl_rtc_probe(struct platform_device *pdev)
         }
 
         platform_set_drvdata(pdev, rtc);
+        device_init_wakeup(&pdev->dev, 1);
         return 0;
 
 out2:
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 4361d9772c42..d72a9216ee2e 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -3440,8 +3440,16 @@ void dasd_generic_path_event(struct ccw_device *cdev, int *path_event)
                         device->path_data.opm &= ~eventlpm;
                         device->path_data.ppm &= ~eventlpm;
                         device->path_data.npm &= ~eventlpm;
-                        if (oldopm && !device->path_data.opm)
-                                dasd_generic_last_path_gone(device);
+                        if (oldopm && !device->path_data.opm) {
+                                dev_warn(&device->cdev->dev,
+                                         "No verified channel paths remain "
+                                         "for the device\n");
+                                DBF_DEV_EVENT(DBF_WARNING, device,
+                                              "%s", "last verified path gone");
+                                dasd_eer_write(device, NULL, DASD_EER_NOPATH);
+                                dasd_device_set_stop_bits(device,
+                                                          DASD_STOPPED_DC_WAIT);
+                        }
                 }
                 if (path_event[chp] & PE_PATH_AVAILABLE) {
                         device->path_data.opm &= ~eventlpm;
diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
index 4ffa66c87ea5..9ca3996f65b2 100644
--- a/drivers/s390/net/netiucv.c
+++ b/drivers/s390/net/netiucv.c
@@ -2040,6 +2040,7 @@ static struct net_device *netiucv_init_netdevice(char *username, char *userdata)
                            netiucv_setup_netdevice);
         if (!dev)
                 return NULL;
+        rtnl_lock();
         if (dev_alloc_name(dev, dev->name) < 0)
                 goto out_netdev;
 
@@ -2061,6 +2062,7 @@ static struct net_device *netiucv_init_netdevice(char *username, char *userdata)
 out_fsm:
         kfree_fsm(privptr->fsm);
 out_netdev:
+        rtnl_unlock();
         free_netdev(dev);
         return NULL;
 }
@@ -2100,6 +2102,7 @@ static ssize_t conn_write(struct device_driver *drv,
 
         rc = netiucv_register_device(dev);
         if (rc) {
+                rtnl_unlock();
                 IUCV_DBF_TEXT_(setup, 2,
                         "ret %d from netiucv_register_device\n", rc);
                 goto out_free_ndev;
@@ -2109,7 +2112,8 @@ static ssize_t conn_write(struct device_driver *drv,
         priv = netdev_priv(dev);
         SET_NETDEV_DEV(dev, priv->dev);
 
-        rc = register_netdev(dev);
+        rc = register_netdevice(dev);
+        rtnl_unlock();
         if (rc)
                 goto out_unreg;
 
diff --git a/drivers/scsi/bfa/bfad_debugfs.c b/drivers/scsi/bfa/bfad_debugfs.c
index 439c012be763..b63d534192e3 100644
--- a/drivers/scsi/bfa/bfad_debugfs.c
+++ b/drivers/scsi/bfa/bfad_debugfs.c
@@ -186,7 +186,7 @@ bfad_debugfs_lseek(struct file *file, loff_t offset, int orig)
                 file->f_pos += offset;
                 break;
         case 2:
-                file->f_pos = debug->buffer_len - offset;
+                file->f_pos = debug->buffer_len + offset;
                 break;
         default:
                 return -EINVAL;
diff --git a/drivers/scsi/fnic/fnic_debugfs.c b/drivers/scsi/fnic/fnic_debugfs.c
index adc1f7f471f5..85e1ffd0e5c5 100644
--- a/drivers/scsi/fnic/fnic_debugfs.c
+++ b/drivers/scsi/fnic/fnic_debugfs.c
@@ -174,7 +174,7 @@ static loff_t fnic_trace_debugfs_lseek(struct file *file,
                 pos = file->f_pos + offset;
                 break;
         case 2:
-                pos = fnic_dbg_prt->buffer_len - offset;
+                pos = fnic_dbg_prt->buffer_len + offset;
         }
         return (pos < 0 || pos > fnic_dbg_prt->buffer_len) ?
                           -EINVAL : (file->f_pos = pos);
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
index f63f5ff7f274..f525ecb7a9c6 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.c
+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
@@ -1178,7 +1178,7 @@ lpfc_debugfs_lseek(struct file *file, loff_t off, int whence)
                 pos = file->f_pos + off;
                 break;
         case 2:
-                pos = debug->len - off;
+                pos = debug->len + off;
         }
         return (pos < 0 || pos > debug->len) ? -EINVAL : (file->f_pos = pos);
 }
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index d182c96e17ea..66b0b26a1381 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -688,8 +688,12 @@ static int tcm_qla2xxx_queue_status(struct se_cmd *se_cmd)
                  * For FCP_READ with CHECK_CONDITION status, clear cmd->bufflen
                  * for qla_tgt_xmit_response LLD code
                  */
+                if (se_cmd->se_cmd_flags & SCF_OVERFLOW_BIT) {
+                        se_cmd->se_cmd_flags &= ~SCF_OVERFLOW_BIT;
+                        se_cmd->residual_count = 0;
+                }
                 se_cmd->se_cmd_flags |= SCF_UNDERFLOW_BIT;
-                se_cmd->residual_count = se_cmd->data_length;
+                se_cmd->residual_count += se_cmd->data_length;
 
                 cmd->bufflen = 0;
         }
@@ -1370,7 +1374,7 @@ static void tcm_qla2xxx_free_session(struct qla_tgt_sess *sess)
                 dump_stack();
                 return;
         }
-        target_wait_for_sess_cmds(se_sess, 0);
+        target_wait_for_sess_cmds(se_sess);
 
         transport_deregister_session_configfs(sess->se_sess);
         transport_deregister_session(sess->se_sess);
diff --git a/drivers/scsi/scsi_proc.c b/drivers/scsi/scsi_proc.c
index db66357211ed..86f0c5d5c116 100644
--- a/drivers/scsi/scsi_proc.c
+++ b/drivers/scsi/scsi_proc.c
@@ -84,6 +84,7 @@ static int proc_scsi_host_open(struct inode *inode, struct file *file)
 
 static const struct file_operations proc_scsi_fops = {
         .open = proc_scsi_host_open,
+        .release = single_release,
         .read = seq_read,
         .llseek = seq_lseek,
         .write = proc_scsi_host_write
diff --git a/drivers/spi/spi-sh-hspi.c b/drivers/spi/spi-sh-hspi.c
index 60cfae51c713..eab593eaaafa 100644
--- a/drivers/spi/spi-sh-hspi.c
+++ b/drivers/spi/spi-sh-hspi.c
@@ -89,7 +89,7 @@ static int hspi_status_check_timeout(struct hspi_priv *hspi, u32 mask, u32 val)
                 if ((mask & hspi_read(hspi, SPSR)) == val)
                         return 0;
 
-                msleep(20);
+                udelay(10);
         }
 
         dev_err(hspi->dev, "timeout\n");
diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c
index 35f60bd252dd..637d728fbeb5 100644
--- a/drivers/spi/spi-topcliff-pch.c
+++ b/drivers/spi/spi-topcliff-pch.c
@@ -1487,7 +1487,7 @@ static int pch_spi_pd_probe(struct platform_device *plat_dev)
         return 0;
 
 err_spi_register_master:
-        free_irq(board_dat->pdev->irq, board_dat);
+        free_irq(board_dat->pdev->irq, data);
 err_request_irq:
         pch_spi_free_resources(board_dat, data);
 err_spi_get_resources:
@@ -1667,6 +1667,7 @@ static int pch_spi_probe(struct pci_dev *pdev,
                 pd_dev = platform_device_alloc("pch-spi", i);
                 if (!pd_dev) {
                         dev_err(&pdev->dev, "platform_device_alloc failed\n");
+                        retval = -ENOMEM;
                         goto err_platform_device;
                 }
                 pd_dev_save->pd_save[i] = pd_dev;
diff --git a/drivers/spi/spi-xilinx.c b/drivers/spi/spi-xilinx.c
index e1d769607425..34d18dcfa0db 100644
--- a/drivers/spi/spi-xilinx.c
+++ b/drivers/spi/spi-xilinx.c
@@ -267,7 +267,6 @@ static int xilinx_spi_txrx_bufs(struct spi_device *spi, struct spi_transfer *t)
 {
         struct xilinx_spi *xspi = spi_master_get_devdata(spi->master);
         u32 ipif_ier;
-        u16 cr;
 
         /* We get here with transmitter inhibited */
 
@@ -276,7 +275,6 @@ static int xilinx_spi_txrx_bufs(struct spi_device *spi, struct spi_transfer *t)
         xspi->remaining_bytes = t->len;
         INIT_COMPLETION(xspi->done);
 
-        xilinx_spi_fill_tx_fifo(xspi);
 
         /* Enable the transmit empty interrupt, which we use to determine
          * progress on the transmission.
@@ -285,12 +283,41 @@ static int xilinx_spi_txrx_bufs(struct spi_device *spi, struct spi_transfer *t)
         xspi->write_fn(ipif_ier | XSPI_INTR_TX_EMPTY,
                 xspi->regs + XIPIF_V123B_IIER_OFFSET);
 
-        /* Start the transfer by not inhibiting the transmitter any longer */
-        cr = xspi->read_fn(xspi->regs + XSPI_CR_OFFSET) &
-                ~XSPI_CR_TRANS_INHIBIT;
-        xspi->write_fn(cr, xspi->regs + XSPI_CR_OFFSET);
+        for (;;) {
+                u16 cr;
+                u8 sr;
+
+                xilinx_spi_fill_tx_fifo(xspi);
+
+                /* Start the transfer by not inhibiting the transmitter any
+                 * longer
+                 */
+                cr = xspi->read_fn(xspi->regs + XSPI_CR_OFFSET) &
+                                                        ~XSPI_CR_TRANS_INHIBIT;
+                xspi->write_fn(cr, xspi->regs + XSPI_CR_OFFSET);
+
+                wait_for_completion(&xspi->done);
+
+                /* A transmit has just completed. Process received data and
+                 * check for more data to transmit. Always inhibit the
+                 * transmitter while the Isr refills the transmit register/FIFO,
+                 * or make sure it is stopped if we're done.
+                 */
+                cr = xspi->read_fn(xspi->regs + XSPI_CR_OFFSET);
+                xspi->write_fn(cr | XSPI_CR_TRANS_INHIBIT,
+                               xspi->regs + XSPI_CR_OFFSET);
+
+                /* Read out all the data from the Rx FIFO */
+                sr = xspi->read_fn(xspi->regs + XSPI_SR_OFFSET);
+                while ((sr & XSPI_SR_RX_EMPTY_MASK) == 0) {
+                        xspi->rx_fn(xspi);
+                        sr = xspi->read_fn(xspi->regs + XSPI_SR_OFFSET);
+                }
 
-        wait_for_completion(&xspi->done);
+                /* See if there is more data to send */
+                if (!xspi->remaining_bytes > 0)
+                        break;
+        }
 
         /* Disable the transmit empty interrupt */
         xspi->write_fn(ipif_ier, xspi->regs + XIPIF_V123B_IIER_OFFSET);
@@ -314,38 +341,7 @@ static irqreturn_t xilinx_spi_irq(int irq, void *dev_id)
         xspi->write_fn(ipif_isr, xspi->regs + XIPIF_V123B_IISR_OFFSET);
 
         if (ipif_isr & XSPI_INTR_TX_EMPTY) {    /* Transmission completed */
-                u16 cr;
-                u8 sr;
-
-                /* A transmit has just completed. Process received data and
-                 * check for more data to transmit. Always inhibit the
-                 * transmitter while the Isr refills the transmit register/FIFO,
-                 * or make sure it is stopped if we're done.
-                 */
-                cr = xspi->read_fn(xspi->regs + XSPI_CR_OFFSET);
-                xspi->write_fn(cr | XSPI_CR_TRANS_INHIBIT,
-                        xspi->regs + XSPI_CR_OFFSET);
-
-                /* Read out all the data from the Rx FIFO */
-                sr = xspi->read_fn(xspi->regs + XSPI_SR_OFFSET);
-                while ((sr & XSPI_SR_RX_EMPTY_MASK) == 0) {
-                        xspi->rx_fn(xspi);
-                        sr = xspi->read_fn(xspi->regs + XSPI_SR_OFFSET);
-                }
-
-                /* See if there is more data to send */
-                if (xspi->remaining_bytes > 0) {
-                        xilinx_spi_fill_tx_fifo(xspi);
-                        /* Start the transfer by not inhibiting the
-                         * transmitter any longer
-                         */
-                        xspi->write_fn(cr, xspi->regs + XSPI_CR_OFFSET);
-                } else {
-                        /* No more data to send.
-                         * Indicate the transfer is completed.
-                         */
-                        complete(&xspi->done);
-                }
+                complete(&xspi->done);
         }
 
         return IRQ_HANDLED;
diff --git a/drivers/staging/android/alarm-dev.c b/drivers/staging/android/alarm-dev.c
index ceb1c643753d..6dc27dac679d 100644
--- a/drivers/staging/android/alarm-dev.c
+++ b/drivers/staging/android/alarm-dev.c
@@ -264,6 +264,8 @@ static long alarm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
         }
 
         rv = alarm_do_ioctl(file, cmd, &ts);
+        if (rv)
+                return rv;
 
         switch (ANDROID_ALARM_BASE_CMD(cmd)) {
         case ANDROID_ALARM_GET_TIME(0):
@@ -272,7 +274,7 @@ static long alarm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
                 break;
         }
 
-        return rv;
+        return 0;
 }
 #ifdef CONFIG_COMPAT
 static long alarm_compat_ioctl(struct file *file, unsigned int cmd,
@@ -295,6 +297,8 @@ static long alarm_compat_ioctl(struct file *file, unsigned int cmd,
         }
 
         rv = alarm_do_ioctl(file, cmd, &ts);
+        if (rv)
+                return rv;
 
         switch (ANDROID_ALARM_BASE_CMD(cmd)) {
         case ANDROID_ALARM_GET_TIME(0): /* NOTE: we modified cmd above */
@@ -303,7 +307,7 @@ static long alarm_compat_ioctl(struct file *file, unsigned int cmd,
                 break;
         }
 
-        return rv;
+        return 0;
 }
 #endif
 
diff --git a/drivers/staging/dwc2/hcd.c b/drivers/staging/dwc2/hcd.c
index 827ab781ae9b..8551ccedf037 100644
--- a/drivers/staging/dwc2/hcd.c
+++ b/drivers/staging/dwc2/hcd.c
@@ -2804,9 +2804,8 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq,
 
         /* Set device flags indicating whether the HCD supports DMA */
         if (hsotg->core_params->dma_enable > 0) {
-                if (dma_set_mask(hsotg->dev, DMA_BIT_MASK(31)) < 0)
-                        dev_warn(hsotg->dev,
-                                 "can't enable workaround for >2GB RAM\n");
+                if (dma_set_mask(hsotg->dev, DMA_BIT_MASK(32)) < 0)
+                        dev_warn(hsotg->dev, "can't set DMA mask\n");
                 if (dma_set_coherent_mask(hsotg->dev, DMA_BIT_MASK(31)) < 0)
                         dev_warn(hsotg->dev,
                                  "can't enable workaround for >2GB RAM\n");
diff --git a/drivers/staging/media/davinci_vpfe/Kconfig b/drivers/staging/media/davinci_vpfe/Kconfig
index 2e4a28b018e8..12f321dd2399 100644
--- a/drivers/staging/media/davinci_vpfe/Kconfig
+++ b/drivers/staging/media/davinci_vpfe/Kconfig
@@ -1,6 +1,6 @@
 config VIDEO_DM365_VPFE
         tristate "DM365 VPFE Media Controller Capture Driver"
-        depends on VIDEO_V4L2 && ARCH_DAVINCI_DM365 && !VIDEO_VPFE_CAPTURE
+        depends on VIDEO_V4L2 && ARCH_DAVINCI_DM365 && !VIDEO_DM365_ISIF
         select VIDEOBUF2_DMA_CONTIG
         help
           Support for DM365 VPFE based Media Controller Capture driver.
diff --git a/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c b/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c
index b88e1ddce229..d8ce20d2fbda 100644
--- a/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c
+++ b/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c
@@ -639,7 +639,8 @@ static int vpfe_probe(struct platform_device *pdev)
         if (ret)
                 goto probe_free_dev_mem;
 
-        if (vpfe_initialize_modules(vpfe_dev, pdev))
+        ret = vpfe_initialize_modules(vpfe_dev, pdev);
+        if (ret)
                 goto probe_disable_clock;
 
         vpfe_dev->media_dev.dev = vpfe_dev->pdev;
@@ -663,7 +664,8 @@ static int vpfe_probe(struct platform_device *pdev)
         /* set the driver data in platform device */
         platform_set_drvdata(pdev, vpfe_dev);
         /* register subdevs/entities */
-        if (vpfe_register_entities(vpfe_dev))
+        ret = vpfe_register_entities(vpfe_dev);
+        if (ret)
                 goto probe_out_v4l2_unregister;
 
         ret = vpfe_attach_irq(vpfe_dev);
diff --git a/drivers/staging/media/solo6x10/Kconfig b/drivers/staging/media/solo6x10/Kconfig
index df6569b997b8..34f3b6d02d2a 100644
--- a/drivers/staging/media/solo6x10/Kconfig
+++ b/drivers/staging/media/solo6x10/Kconfig
@@ -5,6 +5,7 @@ config SOLO6X10
         select VIDEOBUF2_DMA_SG
         select VIDEOBUF2_DMA_CONTIG
         select SND_PCM
+        select FONT_8x16
         ---help---
           This driver supports the Softlogic based MPEG-4 and h.264 codec
           cards.
diff --git a/drivers/staging/zcache/ramster.h b/drivers/staging/zcache/ramster.h
index e1f91d5a0f6a..a858666eae68 100644
--- a/drivers/staging/zcache/ramster.h
+++ b/drivers/staging/zcache/ramster.h
@@ -11,10 +11,6 @@
 #ifndef _ZCACHE_RAMSTER_H_
 #define _ZCACHE_RAMSTER_H_
 
-#ifdef CONFIG_RAMSTER_MODULE
-#define CONFIG_RAMSTER
-#endif
-
 #ifdef CONFIG_RAMSTER
 #include "ramster/ramster.h"
 #else
diff --git a/drivers/staging/zcache/ramster/debug.c b/drivers/staging/zcache/ramster/debug.c
index 327e4f0d98e1..5b26ee977c2f 100644
--- a/drivers/staging/zcache/ramster/debug.c
+++ b/drivers/staging/zcache/ramster/debug.c
@@ -1,6 +1,8 @@
 #include <linux/atomic.h>
 #include "debug.h"
 
+ssize_t ramster_foreign_eph_pages;
+ssize_t ramster_foreign_pers_pages;
 #ifdef CONFIG_DEBUG_FS
 #include <linux/debugfs.h>
 
diff --git a/drivers/staging/zcache/ramster/ramster.c b/drivers/staging/zcache/ramster/ramster.c
index b18b887db79f..a937ce1fa27a 100644
--- a/drivers/staging/zcache/ramster/ramster.c
+++ b/drivers/staging/zcache/ramster/ramster.c
@@ -66,8 +66,6 @@ static int ramster_remote_target_nodenum __read_mostly = -1;
 
 /* Used by this code. */
 long ramster_flnodes;
-ssize_t ramster_foreign_eph_pages;
-ssize_t ramster_foreign_pers_pages;
 /* FIXME frontswap selfshrinking knobs in debugfs? */
 
 static LIST_HEAD(ramster_rem_op_list);
@@ -399,14 +397,18 @@ void ramster_count_foreign_pages(bool eph, int count)
                         inc_ramster_foreign_eph_pages();
                 } else {
                         dec_ramster_foreign_eph_pages();
+#ifdef CONFIG_RAMSTER_DEBUG
                         WARN_ON_ONCE(ramster_foreign_eph_pages < 0);
+#endif
                 }
         } else {
                 if (count > 0) {
                         inc_ramster_foreign_pers_pages();
                 } else {
                         dec_ramster_foreign_pers_pages();
+#ifdef CONFIG_RAMSTER_DEBUG
                         WARN_ON_ONCE(ramster_foreign_pers_pages < 0);
+#endif
                 }
         }
 }
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 262ef1f23b38..d7705e5824fb 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -651,7 +651,7 @@ static int iscsit_add_reject(
         cmd->buf_ptr = kmemdup(buf, ISCSI_HDR_LEN, GFP_KERNEL);
         if (!cmd->buf_ptr) {
                 pr_err("Unable to allocate memory for cmd->buf_ptr\n");
-                iscsit_release_cmd(cmd);
+                iscsit_free_cmd(cmd, false);
                 return -1;
         }
 
@@ -697,7 +697,7 @@ int iscsit_add_reject_from_cmd(
         cmd->buf_ptr = kmemdup(buf, ISCSI_HDR_LEN, GFP_KERNEL);
         if (!cmd->buf_ptr) {
                 pr_err("Unable to allocate memory for cmd->buf_ptr\n");
-                iscsit_release_cmd(cmd);
+                iscsit_free_cmd(cmd, false);
                 return -1;
         }
 
@@ -1743,7 +1743,7 @@ int iscsit_handle_nop_out(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
         return 0;
 out:
         if (cmd)
-                iscsit_release_cmd(cmd);
+                iscsit_free_cmd(cmd, false);
 ping_out:
         kfree(ping_data);
         return ret;
@@ -2251,7 +2251,7 @@ iscsit_handle_logout_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
         if (conn->conn_state != TARG_CONN_STATE_LOGGED_IN) {
                 pr_err("Received logout request on connection that"
                         " is not in logged in state, ignoring request.\n");
-                iscsit_release_cmd(cmd);
+                iscsit_free_cmd(cmd, false);
                 return 0;
         }
 
@@ -3665,7 +3665,7 @@ iscsit_immediate_queue(struct iscsi_conn *conn, struct iscsi_cmd *cmd, int state
                 list_del(&cmd->i_conn_node);
                 spin_unlock_bh(&conn->cmd_lock);
 
-                iscsit_free_cmd(cmd);
+                iscsit_free_cmd(cmd, false);
                 break;
         case ISTATE_SEND_NOPIN_WANT_RESPONSE:
                 iscsit_mod_nopin_response_timer(conn);
@@ -4122,7 +4122,7 @@ static void iscsit_release_commands_from_conn(struct iscsi_conn *conn)
 
                 iscsit_increment_maxcmdsn(cmd, sess);
 
-                iscsit_free_cmd(cmd);
+                iscsit_free_cmd(cmd, true);
 
                 spin_lock_bh(&conn->cmd_lock);
         }
diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c
index 13e9e715ad2e..8d8b3ff68490 100644
--- a/drivers/target/iscsi/iscsi_target_configfs.c
+++ b/drivers/target/iscsi/iscsi_target_configfs.c
@@ -155,7 +155,7 @@ static ssize_t lio_target_np_store_iser(
         struct iscsi_tpg_np *tpg_np_iser = NULL;
         char *endptr;
         u32 op;
-        int rc;
+        int rc = 0;
 
         op = simple_strtoul(page, &endptr, 0);
         if ((op != 1) && (op != 0)) {
@@ -174,31 +174,32 @@ static ssize_t lio_target_np_store_iser(
                 return -EINVAL;
 
         if (op) {
-                int rc = request_module("ib_isert");
-                if (rc != 0)
+                rc = request_module("ib_isert");
+                if (rc != 0) {
                         pr_warn("Unable to request_module for ib_isert\n");
+                        rc = 0;
+                }
 
                 tpg_np_iser = iscsit_tpg_add_network_portal(tpg, &np->np_sockaddr,
                                 np->np_ip, tpg_np, ISCSI_INFINIBAND);
-                if (!tpg_np_iser || IS_ERR(tpg_np_iser))
+                if (IS_ERR(tpg_np_iser)) {
+                        rc = PTR_ERR(tpg_np_iser);
                         goto out;
+                }
         } else {
                 tpg_np_iser = iscsit_tpg_locate_child_np(tpg_np, ISCSI_INFINIBAND);
-                if (!tpg_np_iser)
-                        goto out;
-
-                rc = iscsit_tpg_del_network_portal(tpg, tpg_np_iser);
-                if (rc < 0)
-                        goto out;
+                if (tpg_np_iser) {
+                        rc = iscsit_tpg_del_network_portal(tpg, tpg_np_iser);
+                        if (rc < 0)
+                                goto out;
+                }
         }
 
-        printk("lio_target_np_store_iser() done, op: %d\n", op);
-
         iscsit_put_tpg(tpg);
         return count;
 out:
         iscsit_put_tpg(tpg);
-        return -EINVAL;
+        return rc;
 }
 
 TF_NP_BASE_ATTR(lio_target, iser, S_IRUGO | S_IWUSR);
diff --git a/drivers/target/iscsi/iscsi_target_erl0.c b/drivers/target/iscsi/iscsi_target_erl0.c
index 8e6298cc8839..dcb199da06b9 100644
--- a/drivers/target/iscsi/iscsi_target_erl0.c
+++ b/drivers/target/iscsi/iscsi_target_erl0.c
@@ -842,11 +842,11 @@ int iscsit_stop_time2retain_timer(struct iscsi_session *sess)
                 return 0;
 
         sess->time2retain_timer_flags |= ISCSI_TF_STOP;
-        spin_unlock_bh(&se_tpg->session_lock);
+        spin_unlock(&se_tpg->session_lock);
 
         del_timer_sync(&sess->time2retain_timer);
 
-        spin_lock_bh(&se_tpg->session_lock);
+        spin_lock(&se_tpg->session_lock);
         sess->time2retain_timer_flags &= ~ISCSI_TF_RUNNING;
         pr_debug("Stopped Time2Retain Timer for SID: %u\n",
                         sess->sid);
diff --git a/drivers/target/iscsi/iscsi_target_erl2.c b/drivers/target/iscsi/iscsi_target_erl2.c
index ba6091bf93fc..45a5afd5ea13 100644
--- a/drivers/target/iscsi/iscsi_target_erl2.c
+++ b/drivers/target/iscsi/iscsi_target_erl2.c
@@ -143,7 +143,7 @@ void iscsit_free_connection_recovery_entires(struct iscsi_session *sess)
                         list_del(&cmd->i_conn_node);
                         cmd->conn = NULL;
                         spin_unlock(&cr->conn_recovery_cmd_lock);
-                        iscsit_free_cmd(cmd);
+                        iscsit_free_cmd(cmd, true);
                         spin_lock(&cr->conn_recovery_cmd_lock);
                 }
                 spin_unlock(&cr->conn_recovery_cmd_lock);
@@ -165,7 +165,7 @@ void iscsit_free_connection_recovery_entires(struct iscsi_session *sess)
                         list_del(&cmd->i_conn_node);
                         cmd->conn = NULL;
                         spin_unlock(&cr->conn_recovery_cmd_lock);
-                        iscsit_free_cmd(cmd);
+                        iscsit_free_cmd(cmd, true);
                         spin_lock(&cr->conn_recovery_cmd_lock);
                 }
                 spin_unlock(&cr->conn_recovery_cmd_lock);
@@ -248,7 +248,7 @@ void iscsit_discard_cr_cmds_by_expstatsn(
                 iscsit_remove_cmd_from_connection_recovery(cmd, sess);
 
                 spin_unlock(&cr->conn_recovery_cmd_lock);
-                iscsit_free_cmd(cmd);
+                iscsit_free_cmd(cmd, true);
                 spin_lock(&cr->conn_recovery_cmd_lock);
         }
         spin_unlock(&cr->conn_recovery_cmd_lock);
@@ -302,7 +302,7 @@ int iscsit_discard_unacknowledged_ooo_cmdsns_for_conn(struct iscsi_conn *conn)
                 list_del(&cmd->i_conn_node);
 
                 spin_unlock_bh(&conn->cmd_lock);
-                iscsit_free_cmd(cmd);
+                iscsit_free_cmd(cmd, true);
                 spin_lock_bh(&conn->cmd_lock);
         }
         spin_unlock_bh(&conn->cmd_lock);
@@ -355,7 +355,7 @@ int iscsit_prepare_cmds_for_realligance(struct iscsi_conn *conn)
 
                         list_del(&cmd->i_conn_node);
                         spin_unlock_bh(&conn->cmd_lock);
-                        iscsit_free_cmd(cmd);
+                        iscsit_free_cmd(cmd, true);
                         spin_lock_bh(&conn->cmd_lock);
                         continue;
                 }
@@ -375,7 +375,7 @@ int iscsit_prepare_cmds_for_realligance(struct iscsi_conn *conn)
                      iscsi_sna_gte(cmd->cmd_sn, conn->sess->exp_cmd_sn)) {
                         list_del(&cmd->i_conn_node);
                         spin_unlock_bh(&conn->cmd_lock);
-                        iscsit_free_cmd(cmd);
+                        iscsit_free_cmd(cmd, true);
                         spin_lock_bh(&conn->cmd_lock);
                         continue;
                 }
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index bb5d5c5bce65..3402241be87c 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -984,8 +984,6 @@ int iscsi_target_setup_login_socket(
         }
 
         np->np_transport = t;
-        printk("Set np->np_transport to %p -> %s\n", np->np_transport,
-                                np->np_transport->name);
         return 0;
 }
 
@@ -1002,7 +1000,6 @@ int iscsit_accept_np(struct iscsi_np *np, struct iscsi_conn *conn)
 
         conn->sock = new_sock;
         conn->login_family = np->np_sockaddr.ss_family;
-        printk("iSCSI/TCP: Setup conn->sock from new_sock: %p\n", new_sock);
 
         if (np->np_sockaddr.ss_family == AF_INET6) {
                 memset(&sock_in6, 0, sizeof(struct sockaddr_in6));
diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c
index 7ad912060e21..cd5018ff9cd7 100644
--- a/drivers/target/iscsi/iscsi_target_nego.c
+++ b/drivers/target/iscsi/iscsi_target_nego.c
@@ -721,9 +721,6 @@ int iscsi_target_locate_portal(
 
                 start += strlen(key) + strlen(value) + 2;
         }
-
-        printk("i_buf: %s, s_buf: %s, t_buf: %s\n", i_buf, s_buf, t_buf);
-
         /*
          * See 5.3.  Login Phase.
          */
diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c
index c2185fc31136..e38222191a33 100644
--- a/drivers/target/iscsi/iscsi_target_parameters.c
+++ b/drivers/target/iscsi/iscsi_target_parameters.c
@@ -758,9 +758,9 @@ static int iscsi_add_notunderstood_response(
         }
         INIT_LIST_HEAD(&extra_response->er_list);
 
-        strncpy(extra_response->key, key, strlen(key) + 1);
-        strncpy(extra_response->value, NOTUNDERSTOOD,
-                        strlen(NOTUNDERSTOOD) + 1);
+        strlcpy(extra_response->key, key, sizeof(extra_response->key));
+        strlcpy(extra_response->value, NOTUNDERSTOOD,
+                sizeof(extra_response->value));
 
         list_add_tail(&extra_response->er_list,
                         &param_list->extra_response_list);
@@ -1629,8 +1629,6 @@ int iscsi_decode_text_input(
 
                 if (phase & PHASE_SECURITY) {
                         if (iscsi_check_for_auth_key(key) > 0) {
-                                char *tmpptr = key + strlen(key);
-                                *tmpptr = '=';
                                 kfree(tmpbuf);
                                 return 1;
                         }
diff --git a/drivers/target/iscsi/iscsi_target_parameters.h b/drivers/target/iscsi/iscsi_target_parameters.h
index 915b06798505..a47046a752aa 100644
--- a/drivers/target/iscsi/iscsi_target_parameters.h
+++ b/drivers/target/iscsi/iscsi_target_parameters.h
@@ -1,8 +1,10 @@
 #ifndef ISCSI_PARAMETERS_H
 #define ISCSI_PARAMETERS_H
 
+#include <scsi/iscsi_proto.h>
+
 struct iscsi_extra_response {
-        char key[64];
+        char key[KEY_MAXLEN];
         char value[32];
         struct list_head er_list;
 } ____cacheline_aligned;
diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c
index 2cc6c9a3ffb8..08a3bacef0c5 100644
--- a/drivers/target/iscsi/iscsi_target_util.c
+++ b/drivers/target/iscsi/iscsi_target_util.c
@@ -676,40 +676,56 @@ void iscsit_free_queue_reqs_for_conn(struct iscsi_conn *conn)
 
 void iscsit_release_cmd(struct iscsi_cmd *cmd)
 {
-        struct iscsi_conn *conn = cmd->conn;
-
-        iscsit_free_r2ts_from_list(cmd);
-        iscsit_free_all_datain_reqs(cmd);
-
         kfree(cmd->buf_ptr);
         kfree(cmd->pdu_list);
         kfree(cmd->seq_list);
         kfree(cmd->tmr_req);
         kfree(cmd->iov_data);
 
-        if (conn) {
+        kmem_cache_free(lio_cmd_cache, cmd);
+}
+
+static void __iscsit_free_cmd(struct iscsi_cmd *cmd, bool scsi_cmd,
+                              bool check_queues)
+{
+        struct iscsi_conn *conn = cmd->conn;
+
+        if (scsi_cmd) {
+                if (cmd->data_direction == DMA_TO_DEVICE) {
+                        iscsit_stop_dataout_timer(cmd);
+                        iscsit_free_r2ts_from_list(cmd);
+                }
+                if (cmd->data_direction == DMA_FROM_DEVICE)
+                        iscsit_free_all_datain_reqs(cmd);
+        }
+
+        if (conn && check_queues) {
                 iscsit_remove_cmd_from_immediate_queue(cmd, conn);
                 iscsit_remove_cmd_from_response_queue(cmd, conn);
         }
-
-        kmem_cache_free(lio_cmd_cache, cmd);
 }
 
-void iscsit_free_cmd(struct iscsi_cmd *cmd)
+void iscsit_free_cmd(struct iscsi_cmd *cmd, bool shutdown)
 {
+        struct se_cmd *se_cmd = NULL;
+        int rc;
         /*
          * Determine if a struct se_cmd is associated with
          * this struct iscsi_cmd.
          */
         switch (cmd->iscsi_opcode) {
         case ISCSI_OP_SCSI_CMD:
-                if (cmd->data_direction == DMA_TO_DEVICE)
-                        iscsit_stop_dataout_timer(cmd);
+                se_cmd = &cmd->se_cmd;
+                __iscsit_free_cmd(cmd, true, shutdown);
                 /*
                  * Fallthrough
                  */
         case ISCSI_OP_SCSI_TMFUNC:
-                transport_generic_free_cmd(&cmd->se_cmd, 1);
+                rc = transport_generic_free_cmd(&cmd->se_cmd, 1);
+                if (!rc && shutdown && se_cmd && se_cmd->se_sess) {
+                        __iscsit_free_cmd(cmd, true, shutdown);
+                        target_put_sess_cmd(se_cmd->se_sess, se_cmd);
+                }
                 break;
         case ISCSI_OP_REJECT:
                 /*
@@ -718,11 +734,19 @@ void iscsit_free_cmd(struct iscsi_cmd *cmd)
                  * associated cmd->se_cmd needs to be released.
                  */
                 if (cmd->se_cmd.se_tfo != NULL) {
-                        transport_generic_free_cmd(&cmd->se_cmd, 1);
+                        se_cmd = &cmd->se_cmd;
+                        __iscsit_free_cmd(cmd, true, shutdown);
+
+                        rc = transport_generic_free_cmd(&cmd->se_cmd, 1);
+                        if (!rc && shutdown && se_cmd->se_sess) {
+                                __iscsit_free_cmd(cmd, true, shutdown);
+                                target_put_sess_cmd(se_cmd->se_sess, se_cmd);
+                        }
                         break;
                 }
                 /* Fall-through */
         default:
+                __iscsit_free_cmd(cmd, false, shutdown);
                 cmd->release_cmd(cmd);
                 break;
         }
diff --git a/drivers/target/iscsi/iscsi_target_util.h b/drivers/target/iscsi/iscsi_target_util.h
index 4f8e01a47081..a4422659d049 100644
--- a/drivers/target/iscsi/iscsi_target_util.h
+++ b/drivers/target/iscsi/iscsi_target_util.h
@@ -29,7 +29,7 @@ extern void iscsit_remove_cmd_from_tx_queues(struct iscsi_cmd *, struct iscsi_co
 extern bool iscsit_conn_all_queues_empty(struct iscsi_conn *);
 extern void iscsit_free_queue_reqs_for_conn(struct iscsi_conn *);
 extern void iscsit_release_cmd(struct iscsi_cmd *);
-extern void iscsit_free_cmd(struct iscsi_cmd *);
+extern void iscsit_free_cmd(struct iscsi_cmd *, bool);
 extern int iscsit_check_session_usage_count(struct iscsi_session *);
 extern void iscsit_dec_session_usage_count(struct iscsi_session *);
 extern void iscsit_inc_session_usage_count(struct iscsi_session *);
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index 1b1d544e927a..b11890d85120 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -153,6 +153,7 @@ static int fd_configure_device(struct se_device *dev)
                 struct request_queue *q = bdev_get_queue(inode->i_bdev);
                 unsigned long long dev_size;
 
+                fd_dev->fd_block_size = bdev_logical_block_size(inode->i_bdev);
                 /*
                  * Determine the number of bytes from i_size_read() minus
                  * one (1) logical sector from underlying struct block_device
@@ -199,6 +200,7 @@ static int fd_configure_device(struct se_device *dev)
                         goto fail;
                 }
 
+                fd_dev->fd_block_size = FD_BLOCKSIZE;
                 /*
                  * Limit UNMAP emulation to 8k Number of LBAs (NoLB)
                  */
@@ -217,9 +219,7 @@ static int fd_configure_device(struct se_device *dev)
                 dev->dev_attrib.max_write_same_len = 0x1000;
         }
 
-        fd_dev->fd_block_size = dev->dev_attrib.hw_block_size;
-
-        dev->dev_attrib.hw_block_size = FD_BLOCKSIZE;
+        dev->dev_attrib.hw_block_size = fd_dev->fd_block_size;
         dev->dev_attrib.hw_max_sectors = FD_MAX_SECTORS;
         dev->dev_attrib.hw_queue_depth = FD_MAX_DEVICE_QUEUE_DEPTH;
 
@@ -694,11 +694,12 @@ static sector_t fd_get_blocks(struct se_device *dev)
          * to handle underlying block_device resize operations.
          */
         if (S_ISBLK(i->i_mode))
-                dev_size = (i_size_read(i) - fd_dev->fd_block_size);
+                dev_size = i_size_read(i);
         else
                 dev_size = fd_dev->fd_dev_size;
 
-        return div_u64(dev_size, dev->dev_attrib.block_size);
+        return div_u64(dev_size - dev->dev_attrib.block_size,
+                       dev->dev_attrib.block_size);
 }
 
 static struct sbc_ops fd_sbc_ops = {
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 4a793362309d..21e315874a54 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -65,7 +65,7 @@ static void transport_complete_task_attr(struct se_cmd *cmd);
 static void transport_handle_queue_full(struct se_cmd *cmd,
                 struct se_device *dev);
 static int transport_generic_get_mem(struct se_cmd *cmd);
-static void transport_put_cmd(struct se_cmd *cmd);
+static int transport_put_cmd(struct se_cmd *cmd);
 static void target_complete_ok_work(struct work_struct *work);
 
 int init_se_kmem_caches(void)
@@ -221,6 +221,7 @@ struct se_session *transport_init_session(void)
         INIT_LIST_HEAD(&se_sess->sess_list);
         INIT_LIST_HEAD(&se_sess->sess_acl_list);
         INIT_LIST_HEAD(&se_sess->sess_cmd_list);
+        INIT_LIST_HEAD(&se_sess->sess_wait_list);
         spin_lock_init(&se_sess->sess_cmd_lock);
         kref_init(&se_sess->sess_kref);
 
@@ -1943,7 +1944,7 @@ static inline void transport_free_pages(struct se_cmd *cmd)
  * This routine unconditionally frees a command, and reference counting
  * or list removal must be done in the caller.
  */
-static void transport_release_cmd(struct se_cmd *cmd)
+static int transport_release_cmd(struct se_cmd *cmd)
 {
         BUG_ON(!cmd->se_tfo);
 
@@ -1955,11 +1956,11 @@ static void transport_release_cmd(struct se_cmd *cmd)
          * If this cmd has been setup with target_get_sess_cmd(), drop
          * the kref and call ->release_cmd() in kref callback.
          */
-         if (cmd->check_release != 0) {
-                target_put_sess_cmd(cmd->se_sess, cmd);
-                return;
-        }
+         if (cmd->check_release != 0)
+                return target_put_sess_cmd(cmd->se_sess, cmd);
+
         cmd->se_tfo->release_cmd(cmd);
+        return 1;
 }
 
 /**
@@ -1968,7 +1969,7 @@ static void transport_release_cmd(struct se_cmd *cmd)
  *
  * This routine releases our reference to the command and frees it if possible.
  */
-static void transport_put_cmd(struct se_cmd *cmd)
+static int transport_put_cmd(struct se_cmd *cmd)
 {
         unsigned long flags;
 
@@ -1976,7 +1977,7 @@ static void transport_put_cmd(struct se_cmd *cmd)
         if (atomic_read(&cmd->t_fe_count) &&
             !atomic_dec_and_test(&cmd->t_fe_count)) {
                 spin_unlock_irqrestore(&cmd->t_state_lock, flags);
-                return;
+                return 0;
         }
 
         if (cmd->transport_state & CMD_T_DEV_ACTIVE) {
@@ -1986,8 +1987,7 @@ static void transport_put_cmd(struct se_cmd *cmd)
         spin_unlock_irqrestore(&cmd->t_state_lock, flags);
 
         transport_free_pages(cmd);
-        transport_release_cmd(cmd);
-        return;
+        return transport_release_cmd(cmd);
 }
 
 void *transport_kmap_data_sg(struct se_cmd *cmd)
@@ -2152,13 +2152,15 @@ static void transport_write_pending_qf(struct se_cmd *cmd)
         }
 }
 
-void transport_generic_free_cmd(struct se_cmd *cmd, int wait_for_tasks)
+int transport_generic_free_cmd(struct se_cmd *cmd, int wait_for_tasks)
 {
+        int ret = 0;
+
         if (!(cmd->se_cmd_flags & SCF_SE_LUN_CMD)) {
                 if (wait_for_tasks && (cmd->se_cmd_flags & SCF_SCSI_TMR_CDB))
                          transport_wait_for_tasks(cmd);
 
-                transport_release_cmd(cmd);
+                ret = transport_release_cmd(cmd);
         } else {
                 if (wait_for_tasks)
                         transport_wait_for_tasks(cmd);
@@ -2166,8 +2168,9 @@ void transport_generic_free_cmd(struct se_cmd *cmd, int wait_for_tasks)
                 if (cmd->se_lun)
                         transport_lun_remove_cmd(cmd);
 
-                transport_put_cmd(cmd);
+                ret = transport_put_cmd(cmd);
         }
+        return ret;
 }
 EXPORT_SYMBOL(transport_generic_free_cmd);
 
@@ -2250,11 +2253,14 @@ void target_sess_cmd_list_set_waiting(struct se_session *se_sess)
         unsigned long flags;
 
         spin_lock_irqsave(&se_sess->sess_cmd_lock, flags);
-
-        WARN_ON(se_sess->sess_tearing_down);
+        if (se_sess->sess_tearing_down) {
+                spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
+                return;
+        }
         se_sess->sess_tearing_down = 1;
+        list_splice_init(&se_sess->sess_cmd_list, &se_sess->sess_wait_list);
 
-        list_for_each_entry(se_cmd, &se_sess->sess_cmd_list, se_cmd_list)
+        list_for_each_entry(se_cmd, &se_sess->sess_wait_list, se_cmd_list)
                 se_cmd->cmd_wait_set = 1;
 
         spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
@@ -2263,44 +2269,32 @@ EXPORT_SYMBOL(target_sess_cmd_list_set_waiting);
 
 /* target_wait_for_sess_cmds - Wait for outstanding descriptors
  * @se_sess:    session to wait for active I/O
- * @wait_for_tasks:     Make extra transport_wait_for_tasks call
  */
-void target_wait_for_sess_cmds(
-        struct se_session *se_sess,
-        int wait_for_tasks)
+void target_wait_for_sess_cmds(struct se_session *se_sess)
 {
         struct se_cmd *se_cmd, *tmp_cmd;
-        bool rc = false;
+        unsigned long flags;
 
         list_for_each_entry_safe(se_cmd, tmp_cmd,
-                                &se_sess->sess_cmd_list, se_cmd_list) {
+                                &se_sess->sess_wait_list, se_cmd_list) {
                 list_del(&se_cmd->se_cmd_list);
 
                 pr_debug("Waiting for se_cmd: %p t_state: %d, fabric state:"
                         " %d\n", se_cmd, se_cmd->t_state,
                         se_cmd->se_tfo->get_cmd_state(se_cmd));
 
-                if (wait_for_tasks) {
-                        pr_debug("Calling transport_wait_for_tasks se_cmd: %p t_state: %d,"
-                                " fabric state: %d\n", se_cmd, se_cmd->t_state,
-                                se_cmd->se_tfo->get_cmd_state(se_cmd));
-
-                        rc = transport_wait_for_tasks(se_cmd);
-
-                        pr_debug("After transport_wait_for_tasks se_cmd: %p t_state: %d,"
-                                " fabric state: %d\n", se_cmd, se_cmd->t_state,
-                                se_cmd->se_tfo->get_cmd_state(se_cmd));
-                }
-
-                if (!rc) {
-                        wait_for_completion(&se_cmd->cmd_wait_comp);
-                        pr_debug("After cmd_wait_comp: se_cmd: %p t_state: %d"
-                                " fabric state: %d\n", se_cmd, se_cmd->t_state,
-                                se_cmd->se_tfo->get_cmd_state(se_cmd));
-                }
+                wait_for_completion(&se_cmd->cmd_wait_comp);
+                pr_debug("After cmd_wait_comp: se_cmd: %p t_state: %d"
+                        " fabric state: %d\n", se_cmd, se_cmd->t_state,
+                        se_cmd->se_tfo->get_cmd_state(se_cmd));
 
                 se_cmd->se_tfo->release_cmd(se_cmd);
         }
+
+        spin_lock_irqsave(&se_sess->sess_cmd_lock, flags);
+        WARN_ON(!list_empty(&se_sess->sess_cmd_list));
+        spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
+
 }
 EXPORT_SYMBOL(target_wait_for_sess_cmds);
 
diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
index 59bfaecc4e14..abfd99089781 100644
--- a/drivers/tty/pty.c
+++ b/drivers/tty/pty.c
@@ -244,14 +244,9 @@ static void pty_flush_buffer(struct tty_struct *tty)
 
 static int pty_open(struct tty_struct *tty, struct file *filp)
 {
-        int     retval = -ENODEV;
-
         if (!tty || !tty->link)
-                goto out;
-
-        set_bit(TTY_IO_ERROR, &tty->flags);
+                return -ENODEV;
 
-        retval = -EIO;
         if (test_bit(TTY_OTHER_CLOSED, &tty->flags))
                 goto out;
         if (test_bit(TTY_PTY_LOCK, &tty->link->flags))
@@ -262,9 +257,11 @@ static int pty_open(struct tty_struct *tty, struct file *filp)
         clear_bit(TTY_IO_ERROR, &tty->flags);
         clear_bit(TTY_OTHER_CLOSED, &tty->link->flags);
         set_bit(TTY_THROTTLED, &tty->flags);
-        retval = 0;
+        return 0;
+
 out:
-        return retval;
+        set_bit(TTY_IO_ERROR, &tty->flags);
+        return -EIO;
 }
 
 static void pty_set_termios(struct tty_struct *tty,
diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index 46528d57be72..86c00b1c5583 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -2755,7 +2755,7 @@ static void __init serial8250_isa_init_ports(void)
         if (nr_uarts > UART_NR)
                 nr_uarts = UART_NR;
 
-        for (i = 0; i < UART_NR; i++) {
+        for (i = 0; i < nr_uarts; i++) {
                 struct uart_8250_port *up = &serial8250_ports[i];
                 struct uart_port *port = &up->port;
 
@@ -2916,7 +2916,7 @@ static int __init serial8250_console_setup(struct console *co, char *options)
          * if so, search for the first available port that does have
          * console support.
          */
-        if (co->index >= UART_NR)
+        if (co->index >= nr_uarts)
                 co->index = 0;
         port = &serial8250_ports[co->index].port;
         if (!port->iobase && !port->membase)
@@ -2957,7 +2957,7 @@ int serial8250_find_port(struct uart_port *p)
         int line;
         struct uart_port *port;
 
-        for (line = 0; line < UART_NR; line++) {
+        for (line = 0; line < nr_uarts; line++) {
                 port = &serial8250_ports[line].port;
                 if (uart_match_port(p, port))
                         return line;
@@ -3110,7 +3110,7 @@ static int serial8250_remove(struct platform_device *dev)
 {
         int i;
 
-        for (i = 0; i < UART_NR; i++) {
+        for (i = 0; i < nr_uarts; i++) {
                 struct uart_8250_port *up = &serial8250_ports[i];
 
                 if (up->port.dev == &dev->dev)
@@ -3178,7 +3178,7 @@ static struct uart_8250_port *serial8250_find_match_or_unused(struct uart_port *
         /*
          * First, find a port entry which matches.
          */
-        for (i = 0; i < UART_NR; i++)
+        for (i = 0; i < nr_uarts; i++)
                 if (uart_match_port(&serial8250_ports[i].port, port))
                         return &serial8250_ports[i];
 
@@ -3187,7 +3187,7 @@ static struct uart_8250_port *serial8250_find_match_or_unused(struct uart_port *
          * free entry.  We look for one which hasn't been previously
          * used (indicated by zero iobase).
          */
-        for (i = 0; i < UART_NR; i++)
+        for (i = 0; i < nr_uarts; i++)
                 if (serial8250_ports[i].port.type == PORT_UNKNOWN &&
                     serial8250_ports[i].port.iobase == 0)
                         return &serial8250_ports[i];
@@ -3196,7 +3196,7 @@ static struct uart_8250_port *serial8250_find_match_or_unused(struct uart_port *
          * That also failed.  Last resort is to find any entry which
          * doesn't have a real port associated with it.
          */
-        for (i = 0; i < UART_NR; i++)
+        for (i = 0; i < nr_uarts; i++)
                 if (serial8250_ports[i].port.type == PORT_UNKNOWN)
                         return &serial8250_ports[i];
 
diff --git a/drivers/tty/serial/8250/8250_gsc.c b/drivers/tty/serial/8250/8250_gsc.c
index 097dff9c08ad..bb91b4713ebd 100644
--- a/drivers/tty/serial/8250/8250_gsc.c
+++ b/drivers/tty/serial/8250/8250_gsc.c
@@ -30,6 +30,12 @@ static int __init serial_init_chip(struct parisc_device *dev)
         unsigned long address;
         int err;
 
+#ifdef CONFIG_64BIT
+        extern int iosapic_serial_irq(int cellnum);
+        if (!dev->irq && (dev->id.sversion == 0xad))
+                dev->irq = iosapic_serial_irq(dev->mod_index-1);
+#endif
+
         if (!dev->irq) {
                 /* We find some unattached serial ports by walking native
                  * busses.  These should be silently ignored.  Otherwise,
@@ -51,7 +57,8 @@ static int __init serial_init_chip(struct parisc_device *dev)
         memset(&uart, 0, sizeof(uart));
         uart.port.iotype        = UPIO_MEM;
         /* 7.272727MHz on Lasi.  Assumed the same for Dino, Wax and Timi. */
-        uart.port.uartclk       = 7272727;
+        uart.port.uartclk       = (dev->id.sversion != 0xad) ?
+                                        7272727 : 1843200;
         uart.port.mapbase       = address;
         uart.port.membase       = ioremap_nocache(address, 16);
         uart.port.irq   = dev->irq;
@@ -73,6 +80,7 @@ static struct parisc_device_id serial_tbl[] = {
         { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00075 },
         { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x0008c },
         { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x0008d },
+        { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x000ad },
         { 0 }
 };
 
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 147c9e193595..8cdfbd365892 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -761,6 +761,8 @@ static int imx_startup(struct uart_port *port)
 
         temp = readl(sport->port.membase + UCR2);
         temp |= (UCR2_RXEN | UCR2_TXEN);
+        if (!sport->have_rtscts)
+                temp |= UCR2_IRTS;
         writel(temp, sport->port.membase + UCR2);
 
         if (USE_IRDA(sport)) {
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 30d4f7a783cd..f0b9f6b52b32 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -202,26 +202,6 @@ static int serial_omap_get_context_loss_count(struct uart_omap_port *up)
         return pdata->get_context_loss_count(up->dev);
 }
 
-static void serial_omap_set_forceidle(struct uart_omap_port *up)
-{
-        struct omap_uart_port_info *pdata = up->dev->platform_data;
-
-        if (!pdata || !pdata->set_forceidle)
-                return;
-
-        pdata->set_forceidle(up->dev);
-}
-
-static void serial_omap_set_noidle(struct uart_omap_port *up)
-{
-        struct omap_uart_port_info *pdata = up->dev->platform_data;
-
-        if (!pdata || !pdata->set_noidle)
-                return;
-
-        pdata->set_noidle(up->dev);
-}
-
 static void serial_omap_enable_wakeup(struct uart_omap_port *up, bool enable)
 {
         struct omap_uart_port_info *pdata = up->dev->platform_data;
@@ -298,8 +278,6 @@ static void serial_omap_stop_tx(struct uart_port *port)
                 serial_out(up, UART_IER, up->ier);
         }
 
-        serial_omap_set_forceidle(up);
-
         pm_runtime_mark_last_busy(up->dev);
         pm_runtime_put_autosuspend(up->dev);
 }
@@ -364,7 +342,6 @@ static void serial_omap_start_tx(struct uart_port *port)
 
         pm_runtime_get_sync(up->dev);
         serial_omap_enable_ier_thri(up);
-        serial_omap_set_noidle(up);
         pm_runtime_mark_last_busy(up->dev);
         pm_runtime_put_autosuspend(up->dev);
 }
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index 89429410a245..0c8a9fa2be6c 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -1166,6 +1166,18 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport,
                 ourport->tx_irq = ret;
 
         ourport->clk    = clk_get(&platdev->dev, "uart");
+        if (IS_ERR(ourport->clk)) {
+                pr_err("%s: Controller clock not found\n",
+                                dev_name(&platdev->dev));
+                return PTR_ERR(ourport->clk);
+        }
+
+        ret = clk_prepare_enable(ourport->clk);
+        if (ret) {
+                pr_err("uart: clock failed to prepare+enable: %d\n", ret);
+                clk_put(ourport->clk);
+                return ret;
+        }
 
         /* Keep all interrupts masked and cleared */
         if (s3c24xx_serial_has_interrupt_mask(port)) {
@@ -1180,6 +1192,7 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport,
 
         /* reset the fifos (and setup the uart) */
         s3c24xx_serial_resetport(port, cfg);
+        clk_disable_unprepare(ourport->clk);
         return 0;
 }
 
diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c
index fc2c06c66e89..2bd78e2ac8ec 100644
--- a/drivers/tty/vt/vt_ioctl.c
+++ b/drivers/tty/vt/vt_ioctl.c
@@ -289,13 +289,10 @@ static int vt_disallocate(unsigned int vc_num)
         struct vc_data *vc = NULL;
         int ret = 0;
 
-        if (!vc_num)
-                return 0;
-
         console_lock();
         if (VT_BUSY(vc_num))
                 ret = -EBUSY;
-        else
+        else if (vc_num)
                 vc = vc_deallocate(vc_num);
         console_unlock();
 
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 49b098bedf9b..475c9c114689 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -276,8 +276,9 @@ static void ci_role_work(struct work_struct *work)
 
                 ci_role_stop(ci);
                 ci_role_start(ci, role);
-                enable_irq(ci->irq);
         }
+
+        enable_irq(ci->irq);
 }
 
 static irqreturn_t ci_irq(int irq, void *data)
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 519ead2443c5..b501346484ae 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -1678,8 +1678,11 @@ static int udc_start(struct ci13xxx *ci)
 
         ci->gadget.ep0 = &ci->ep0in->ep;
 
-        if (ci->global_phy)
+        if (ci->global_phy) {
                 ci->transceiver = usb_get_phy(USB_PHY_TYPE_USB2);
+                if (IS_ERR(ci->transceiver))
+                        ci->transceiver = NULL;
+        }
 
         if (ci->platdata->flags & CI13XXX_REQUIRE_TRANSCEIVER) {
                 if (ci->transceiver == NULL) {
@@ -1694,7 +1697,7 @@ static int udc_start(struct ci13xxx *ci)
                         goto put_transceiver;
         }
 
-        if (!IS_ERR_OR_NULL(ci->transceiver)) {
+        if (ci->transceiver) {
                 retval = otg_set_peripheral(ci->transceiver->otg,
                                                 &ci->gadget);
                 if (retval)
@@ -1711,7 +1714,7 @@ static int udc_start(struct ci13xxx *ci)
         return retval;
 
 remove_trans:
-        if (!IS_ERR_OR_NULL(ci->transceiver)) {
+        if (ci->transceiver) {
                 otg_set_peripheral(ci->transceiver->otg, NULL);
                 if (ci->global_phy)
                         usb_put_phy(ci->transceiver);
@@ -1719,7 +1722,7 @@ remove_trans:
 
         dev_err(dev, "error = %i\n", retval);
 put_transceiver:
-        if (!IS_ERR_OR_NULL(ci->transceiver) && ci->global_phy)
+        if (ci->transceiver && ci->global_phy)
                 usb_put_phy(ci->transceiver);
 destroy_eps:
         destroy_eps(ci);
@@ -1747,7 +1750,7 @@ static void udc_stop(struct ci13xxx *ci)
         dma_pool_destroy(ci->td_pool);
         dma_pool_destroy(ci->qh_pool);
 
-        if (!IS_ERR_OR_NULL(ci->transceiver)) {
+        if (ci->transceiver) {
                 otg_set_peripheral(ci->transceiver->otg, NULL);
                 if (ci->global_phy)
                         usb_put_phy(ci->transceiver);
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index caefc800f298..c88c4fb9459d 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1287,9 +1287,13 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
                         goto error;
                 }
                 for (totlen = u = 0; u < uurb->number_of_packets; u++) {
-                        /* arbitrary limit,
-                         * sufficient for USB 2.0 high-bandwidth iso */
-                        if (isopkt[u].length > 8192) {
+                        /*
+                         * arbitrary limit need for USB 3.0
+                         * bMaxBurst (0~15 allowed, 1~16 packets)
+                         * bmAttributes (bit 1:0, mult 0~2, 1~3 packets)
+                         * sizemax: 1024 * 16 * 3 = 49152
+                         */
+                        if (isopkt[u].length > 49152) {
                                 ret = -EINVAL;
                                 goto error;
                         }
diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c
index 929e7dd6e58b..8ce9d7fd6cfc 100644
--- a/drivers/usb/dwc3/dwc3-exynos.c
+++ b/drivers/usb/dwc3/dwc3-exynos.c
@@ -164,9 +164,9 @@ static int dwc3_exynos_remove(struct platform_device *pdev)
 {
         struct dwc3_exynos      *exynos = platform_get_drvdata(pdev);
 
+        device_for_each_child(&pdev->dev, NULL, dwc3_exynos_remove_child);
         platform_device_unregister(exynos->usb2_phy);
         platform_device_unregister(exynos->usb3_phy);
-        device_for_each_child(&pdev->dev, NULL, dwc3_exynos_remove_child);
 
         clk_disable_unprepare(exynos->clk);
 
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 227d4a7acad7..eba9e2baf32b 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -196,9 +196,9 @@ static void dwc3_pci_remove(struct pci_dev *pci)
 {
         struct dwc3_pci *glue = pci_get_drvdata(pci);
 
+        platform_device_unregister(glue->dwc3);
         platform_device_unregister(glue->usb2_phy);
         platform_device_unregister(glue->usb3_phy);
-        platform_device_unregister(glue->dwc3);
         pci_set_drvdata(pci, NULL);
         pci_disable_device(pci);
 }
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 2b6e7e001207..b5e5b35df49c 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1706,11 +1706,19 @@ static void dwc3_gadget_free_endpoints(struct dwc3 *dwc)
                 dep = dwc->eps[epnum];
                 if (!dep)
                         continue;
-
-                dwc3_free_trb_pool(dep);
-
-                if (epnum != 0 && epnum != 1)
+                /*
+                 * Physical endpoints 0 and 1 are special; they form the
+                 * bi-directional USB endpoint 0.
+                 *
+                 * For those two physical endpoints, we don't allocate a TRB
+                 * pool nor do we add them the endpoints list. Due to that, we
+                 * shouldn't do these two operations otherwise we would end up
+                 * with all sorts of bugs when removing dwc3.ko.
+                 */
+                if (epnum != 0 && epnum != 1) {
+                        dwc3_free_trb_pool(dep);
                         list_del(&dep->endpoint.ep_list);
+                }
 
                 kfree(dep);
         }
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index acff5b8f6e89..f80d0330d548 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -213,7 +213,7 @@ static inline unsigned char tt_start_uframe(struct ehci_hcd *ehci, __hc32 mask)
 }
 
 static const unsigned char
-max_tt_usecs[] = { 125, 125, 125, 125, 125, 125, 125, 25 };
+max_tt_usecs[] = { 125, 125, 125, 125, 125, 125, 30, 0 };
 
 /* carryover low/fullspeed bandwidth that crosses uframe boundries */
 static inline void carryover_tt_bandwidth(unsigned short tt_usecs[8])
@@ -646,6 +646,10 @@ static void end_unlink_intr(struct ehci_hcd *ehci, struct ehci_qh *qh)
         /* reschedule QH iff another request is queued */
         if (!list_empty(&qh->qtd_list) && ehci->rh_state == EHCI_RH_RUNNING) {
                 rc = qh_schedule(ehci, qh);
+                if (rc == 0) {
+                        qh_refresh(ehci, qh);
+                        qh_link_periodic(ehci, qh);
+                }
 
                 /* An error here likely indicates handshake failure
                  * or no space left in the schedule.  Neither fault
@@ -653,9 +657,10 @@ static void end_unlink_intr(struct ehci_hcd *ehci, struct ehci_qh *qh)
                  *
                  * FIXME kill the now-dysfunctional queued urbs
                  */
-                if (rc != 0)
+                else {
                         ehci_err(ehci, "can't reschedule qh %p, err %d\n",
                                         qh, rc);
+                }
         }
 
         /* maybe turn off periodic schedule */
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 2cfc465925bd..fbf75e57628b 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1827,6 +1827,9 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
         }
         spin_unlock_irqrestore(&xhci->lock, flags);
 
+        if (!xhci->rh_bw)
+                goto no_bw;
+
         num_ports = HCS_MAX_PORTS(xhci->hcs_params1);
         for (i = 0; i < num_ports; i++) {
                 struct xhci_interval_bw_table *bwt = &xhci->rh_bw[i].bw_table;
@@ -1845,6 +1848,7 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
                 }
         }
 
+no_bw:
         xhci->num_usb2_ports = 0;
         xhci->num_usb3_ports = 0;
         xhci->num_active_eps = 0;
@@ -2256,6 +2260,9 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
         u32 page_size, temp;
         int i;
 
+        INIT_LIST_HEAD(&xhci->lpm_failed_devs);
+        INIT_LIST_HEAD(&xhci->cancel_cmd_list);
+
         page_size = xhci_readl(xhci, &xhci->op_regs->page_size);
         xhci_dbg(xhci, "Supported page size register = 0x%x\n", page_size);
         for (i = 0; i < 16; i++) {
@@ -2334,7 +2341,6 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
         xhci->cmd_ring = xhci_ring_alloc(xhci, 1, 1, TYPE_COMMAND, flags);
         if (!xhci->cmd_ring)
                 goto fail;
-        INIT_LIST_HEAD(&xhci->cancel_cmd_list);
         xhci_dbg(xhci, "Allocated command ring at %p\n", xhci->cmd_ring);
         xhci_dbg(xhci, "First segment DMA is 0x%llx\n",
                         (unsigned long long)xhci->cmd_ring->first_seg->dma);
@@ -2445,8 +2451,6 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
         if (xhci_setup_port_arrays(xhci, flags))
                 goto fail;
 
-        INIT_LIST_HEAD(&xhci->lpm_failed_devs);
-
         /* Enable USB 3.0 device notifications for function remote wake, which
          * is necessary for allowing USB 3.0 devices to do remote wakeup from
          * U3 (device suspend).
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 1a30c380043c..cc24e39b97d5 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -221,6 +221,14 @@ static void xhci_pci_remove(struct pci_dev *dev)
 static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup)
 {
         struct xhci_hcd *xhci = hcd_to_xhci(hcd);
+        struct pci_dev          *pdev = to_pci_dev(hcd->self.controller);
+
+        /*
+         * Systems with the TI redriver that loses port status change events
+         * need to have the registers polled during D3, so avoid D3cold.
+         */
+        if (xhci_compliance_mode_recovery_timer_quirk_check())
+                pdev->no_d3cold = true;
 
         return xhci_suspend(xhci);
 }
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index b4aa79d154b2..d8f640b12dd9 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -466,7 +466,7 @@ static void compliance_mode_recovery_timer_init(struct xhci_hcd *xhci)
  * Systems:
  * Vendor: Hewlett-Packard -> System Models: Z420, Z620 and Z820
  */
-static bool compliance_mode_recovery_timer_quirk_check(void)
+bool xhci_compliance_mode_recovery_timer_quirk_check(void)
 {
         const char *dmi_product_name, *dmi_sys_vendor;
 
@@ -517,7 +517,7 @@ int xhci_init(struct usb_hcd *hcd)
         xhci_dbg(xhci, "Finished xhci_init\n");
 
         /* Initializing Compliance Mode Recovery Data If Needed */
-        if (compliance_mode_recovery_timer_quirk_check()) {
+        if (xhci_compliance_mode_recovery_timer_quirk_check()) {
                 xhci->quirks |= XHCI_COMP_MODE_QUIRK;
                 compliance_mode_recovery_timer_init(xhci);
         }
@@ -956,6 +956,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
         struct usb_hcd          *hcd = xhci_to_hcd(xhci);
         struct usb_hcd          *secondary_hcd;
         int                     retval = 0;
+        bool                    comp_timer_running = false;
 
         /* Wait a bit if either of the roothubs need to settle from the
          * transition into bus suspend.
@@ -993,6 +994,13 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
 
         /* If restore operation fails, re-initialize the HC during resume */
         if ((temp & STS_SRE) || hibernated) {
+
+                if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) &&
+                                !(xhci_all_ports_seen_u0(xhci))) {
+                        del_timer_sync(&xhci->comp_mode_recovery_timer);
+                        xhci_dbg(xhci, "Compliance Mode Recovery Timer deleted!\n");
+                }
+
                 /* Let the USB core know _both_ roothubs lost power. */
                 usb_root_hub_lost_power(xhci->main_hcd->self.root_hub);
                 usb_root_hub_lost_power(xhci->shared_hcd->self.root_hub);
@@ -1035,6 +1043,8 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
                 retval = xhci_init(hcd->primary_hcd);
                 if (retval)
                         return retval;
+                comp_timer_running = true;
+
                 xhci_dbg(xhci, "Start the primary HCD\n");
                 retval = xhci_run(hcd->primary_hcd);
                 if (!retval) {
@@ -1076,7 +1086,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
          * to suffer the Compliance Mode issue again. It doesn't matter if
          * ports have entered previously to U0 before system's suspension.
          */
-        if (xhci->quirks & XHCI_COMP_MODE_QUIRK)
+        if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) && !comp_timer_running)
                 compliance_mode_recovery_timer_init(xhci);
 
         /* Re-enable port polling. */
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 29c978e37135..77600cefcaf1 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1853,4 +1853,7 @@ struct xhci_input_control_ctx *xhci_get_input_control_ctx(struct xhci_hcd *xhci,
 struct xhci_slot_ctx *xhci_get_slot_ctx(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx);
 struct xhci_ep_ctx *xhci_get_ep_ctx(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx, unsigned int ep_index);
 
+/* xHCI quirks */
+bool xhci_compliance_mode_recovery_timer_quirk_check(void);
+
 #endif /* __LINUX_XHCI_HCD_H */
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 8914dec49f01..9d3044bdebe5 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -1232,7 +1232,6 @@ void musb_host_tx(struct musb *musb, u8 epnum)
         void __iomem            *mbase = musb->mregs;
         struct dma_channel      *dma;
         bool                    transfer_pending = false;
-        static bool use_sg;
 
         musb_ep_select(mbase, epnum);
         tx_csr = musb_readw(epio, MUSB_TXCSR);
@@ -1463,9 +1462,9 @@ done:
          * NULL.
          */
         if (!urb->transfer_buffer)
-                use_sg = true;
+                qh->use_sg = true;
 
-        if (use_sg) {
+        if (qh->use_sg) {
                 /* sg_miter_start is already done in musb_ep_program */
                 if (!sg_miter_next(&qh->sg_miter)) {
                         dev_err(musb->controller, "error: sg list empty\n");
@@ -1484,9 +1483,9 @@ done:
 
         qh->segsize = length;
 
-        if (use_sg) {
+        if (qh->use_sg) {
                 if (offset + length >= urb->transfer_buffer_length)
-                        use_sg = false;
+                        qh->use_sg = false;
         }
 
         musb_ep_select(mbase, epnum);
@@ -1552,7 +1551,6 @@ void musb_host_rx(struct musb *musb, u8 epnum)
         bool                    done = false;
         u32                     status;
         struct dma_channel      *dma;
-        static bool use_sg;
         unsigned int sg_flags = SG_MITER_ATOMIC | SG_MITER_TO_SG;
 
         musb_ep_select(mbase, epnum);
@@ -1878,12 +1876,12 @@ void musb_host_rx(struct musb *musb, u8 epnum)
                          * NULL.
                          */
                         if (!urb->transfer_buffer) {
-                                use_sg = true;
+                                qh->use_sg = true;
                                 sg_miter_start(&qh->sg_miter, urb->sg, 1,
                                                 sg_flags);
                         }
 
-                        if (use_sg) {
+                        if (qh->use_sg) {
                                 if (!sg_miter_next(&qh->sg_miter)) {
                                         dev_err(musb->controller, "error: sg list empty\n");
                                         sg_miter_stop(&qh->sg_miter);
@@ -1913,8 +1911,8 @@ finish:
         urb->actual_length += xfer_len;
         qh->offset += xfer_len;
         if (done) {
-                if (use_sg)
-                        use_sg = false;
+                if (qh->use_sg)
+                        qh->use_sg = false;
 
                 if (urb->status == -EINPROGRESS)
                         urb->status = status;
diff --git a/drivers/usb/musb/musb_host.h b/drivers/usb/musb/musb_host.h
index 5a9c8feec10c..738f7eb60df9 100644
--- a/drivers/usb/musb/musb_host.h
+++ b/drivers/usb/musb/musb_host.h
@@ -74,6 +74,7 @@ struct musb_qh {
         u16                     frame;          /* for periodic schedule */
         unsigned                iso_idx;        /* in urb->iso_frame_desc[] */
         struct sg_mapping_iter sg_miter;        /* for highmem in PIO mode */
+        bool                    use_sg;         /* to track urb using sglist */
 };
 
 /* map from control or bulk queue head to the first qh on that ring */
diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig
index 7ef3eb8617a6..2311b1e4e43c 100644
--- a/drivers/usb/phy/Kconfig
+++ b/drivers/usb/phy/Kconfig
@@ -4,11 +4,17 @@
 menuconfig USB_PHY
         bool "USB Physical Layer drivers"
         help
-          USB controllers (those which are host, device or DRD) need a
-          device to handle the physical layer signalling, commonly called
-          a PHY.
+          Most USB controllers have the physical layer signalling part
+          (commonly called a PHY) built in.  However, dual-role devices
+          (a.k.a. USB on-the-go) which support being USB master or slave
+          with the same connector often use an external PHY.
 
-          The following drivers add support for such PHY devices.
+          The drivers in this submenu add support for such PHY devices.
+          They are not needed for standard master-only (or the vast
+          majority of slave-only) USB interfaces.
+
+          If you're not sure if this applies to you, it probably doesn't;
+          say N here.
 
 if USB_PHY
 
diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
index 3b16118cbf62..40e7fd94646f 100644
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -43,7 +43,7 @@
 #define DRIVER_NAME "ark3116"
 
 /* usb timeout of 1 second */
-#define ARK_TIMEOUT (1*HZ)
+#define ARK_TIMEOUT 1000
 
 static const struct usb_device_id id_table[] = {
         { USB_DEVICE(0x6547, 0x0232) },
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index d341555d37d8..082120198f87 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -65,6 +65,7 @@ static const struct usb_device_id id_table_earthmate[] = {
 static const struct usb_device_id id_table_cyphidcomrs232[] = {
         { USB_DEVICE(VENDOR_ID_CYPRESS, PRODUCT_ID_CYPHIDCOM) },
         { USB_DEVICE(VENDOR_ID_POWERCOM, PRODUCT_ID_UPS) },
+        { USB_DEVICE(VENDOR_ID_FRWD, PRODUCT_ID_CYPHIDCOM_FRWD) },
         { }                                             /* Terminating entry */
 };
 
@@ -78,6 +79,7 @@ static const struct usb_device_id id_table_combined[] = {
         { USB_DEVICE(VENDOR_ID_DELORME, PRODUCT_ID_EARTHMATEUSB_LT20) },
         { USB_DEVICE(VENDOR_ID_CYPRESS, PRODUCT_ID_CYPHIDCOM) },
         { USB_DEVICE(VENDOR_ID_POWERCOM, PRODUCT_ID_UPS) },
+        { USB_DEVICE(VENDOR_ID_FRWD, PRODUCT_ID_CYPHIDCOM_FRWD) },
         { USB_DEVICE(VENDOR_ID_DAZZLE, PRODUCT_ID_CA42) },
         { }                                             /* Terminating entry */
 };
@@ -229,6 +231,12 @@ static struct usb_serial_driver * const serial_drivers[] = {
  * Cypress serial helper functions
  *****************************************************************************/
 
+/* FRWD Dongle hidcom needs to skip reset and speed checks */
+static inline bool is_frwd(struct usb_device *dev)
+{
+        return ((le16_to_cpu(dev->descriptor.idVendor) == VENDOR_ID_FRWD) &&
+                (le16_to_cpu(dev->descriptor.idProduct) == PRODUCT_ID_CYPHIDCOM_FRWD));
+}
 
 static int analyze_baud_rate(struct usb_serial_port *port, speed_t new_rate)
 {
@@ -238,6 +246,10 @@ static int analyze_baud_rate(struct usb_serial_port *port, speed_t new_rate)
         if (unstable_bauds)
                 return new_rate;
 
+        /* FRWD Dongle uses 115200 bps */
+        if (is_frwd(port->serial->dev))
+                return new_rate;
+
         /*
          * The general purpose firmware for the Cypress M8 allows for
          * a maximum speed of 57600bps (I have no idea whether DeLorme
@@ -448,7 +460,11 @@ static int cypress_generic_port_probe(struct usb_serial_port *port)
                 return -ENOMEM;
         }
 
-        usb_reset_configuration(serial->dev);
+        /* Skip reset for FRWD device. It is a workaound:
+           device hangs if it receives SET_CONFIGURE in Configured
+           state. */
+        if (!is_frwd(serial->dev))
+                usb_reset_configuration(serial->dev);
 
         priv->cmd_ctrl = 0;
         priv->line_control = 0;
diff --git a/drivers/usb/serial/cypress_m8.h b/drivers/usb/serial/cypress_m8.h
index 67cf60826884..b461311a2ae7 100644
--- a/drivers/usb/serial/cypress_m8.h
+++ b/drivers/usb/serial/cypress_m8.h
@@ -24,6 +24,10 @@
 #define VENDOR_ID_CYPRESS               0x04b4
 #define PRODUCT_ID_CYPHIDCOM            0x5500
 
+/* FRWD Dongle - a GPS sports watch */
+#define VENDOR_ID_FRWD                  0x6737
+#define PRODUCT_ID_CYPHIDCOM_FRWD       0x0001
+
 /* Powercom UPS, chip CY7C63723 */
 #define VENDOR_ID_POWERCOM              0x0d9f
 #define PRODUCT_ID_UPS                  0x0002
diff --git a/drivers/usb/serial/f81232.c b/drivers/usb/serial/f81232.c
index 090b411d893f..7d8dd5aad236 100644
--- a/drivers/usb/serial/f81232.c
+++ b/drivers/usb/serial/f81232.c
@@ -165,11 +165,12 @@ static void f81232_set_termios(struct tty_struct *tty,
         /* FIXME - Stubbed out for now */
 
         /* Don't change anything if nothing has changed */
-        if (!tty_termios_hw_change(&tty->termios, old_termios))
+        if (old_termios && !tty_termios_hw_change(&tty->termios, old_termios))
                 return;
 
         /* Do the real work here... */
-        tty_termios_copy_hw(&tty->termios, old_termios);
+        if (old_termios)
+                tty_termios_copy_hw(&tty->termios, old_termios);
 }
 
 static int f81232_tiocmget(struct tty_struct *tty)
@@ -187,12 +188,11 @@ static int f81232_tiocmset(struct tty_struct *tty,
 
 static int f81232_open(struct tty_struct *tty, struct usb_serial_port *port)
 {
-        struct ktermios tmp_termios;
         int result;
 
         /* Setup termios */
         if (tty)
-                f81232_set_termios(tty, port, &tmp_termios);
+                f81232_set_termios(tty, port, NULL);
 
         result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
         if (result) {
diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index 9d74c278b7b5..790673e5faa7 100644
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -287,7 +287,7 @@ static int bulk_immediate(struct usb_serial_port *port, u8 *buf, u8 count)
             usb_bulk_msg(serial->dev,
                          usb_sndbulkpipe(serial->dev,
                                          port->bulk_out_endpointAddress), buf,
-                         count, &actual, HZ * 1);
+                         count, &actual, 1000);
 
         if (status != IUU_OPERATION_OK)
                 dev_dbg(&port->dev, "%s - error = %2x\n", __func__, status);
@@ -307,7 +307,7 @@ static int read_immediate(struct usb_serial_port *port, u8 *buf, u8 count)
             usb_bulk_msg(serial->dev,
                          usb_rcvbulkpipe(serial->dev,
                                          port->bulk_in_endpointAddress), buf,
-                         count, &actual, HZ * 1);
+                         count, &actual, 1000);
 
         if (status != IUU_OPERATION_OK)
                 dev_dbg(&port->dev, "%s - error = %2x\n", __func__, status);
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index eb30d7b01f36..3549d073df22 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -1548,7 +1548,6 @@ static int keyspan_usa26_send_setup(struct usb_serial *serial,
         struct keyspan_serial_private           *s_priv;
         struct keyspan_port_private             *p_priv;
         const struct keyspan_device_details     *d_details;
-        int                                     outcont_urb;
         struct urb                              *this_urb;
         int                                     device_port, err;
 
@@ -1559,7 +1558,6 @@ static int keyspan_usa26_send_setup(struct usb_serial *serial,
         d_details = s_priv->device_details;
         device_port = port->number - port->serial->minor;
 
-        outcont_urb = d_details->outcont_endpoints[port->number];
         this_urb = p_priv->outcont_urb;
 
         dev_dbg(&port->dev, "%s - endpoint %d\n", __func__, usb_pipeendpoint(this_urb->pipe));
@@ -1685,14 +1683,6 @@ static int keyspan_usa26_send_setup(struct usb_serial *serial,
         err = usb_submit_urb(this_urb, GFP_ATOMIC);
         if (err != 0)
                 dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err);
-#if 0
-        else {
-                dev_dbg(&port->dev, "%s - usb_submit_urb(%d) OK %d bytes (end %d)\n", __func__
-                        outcont_urb, this_urb->transfer_buffer_length,
-                        usb_pipeendpoint(this_urb->pipe));
-        }
-#endif
-
         return 0;
 }
 
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index cc0e54345df9..f27c621a9297 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -40,7 +40,7 @@
 #define DRIVER_DESC "Moschip USB Serial Driver"
 
 /* default urb timeout */
-#define MOS_WDR_TIMEOUT (HZ * 5)
+#define MOS_WDR_TIMEOUT 5000
 
 #define MOS_MAX_PORT    0x02
 #define MOS_WRITE       0x0E
@@ -227,11 +227,22 @@ static int read_mos_reg(struct usb_serial *serial, unsigned int serial_portnum,
         __u8 requesttype = (__u8)0xc0;
         __u16 index = get_reg_index(reg);
         __u16 value = get_reg_value(reg, serial_portnum);
-        int status = usb_control_msg(usbdev, pipe, request, requesttype, value,
-                                     index, data, 1, MOS_WDR_TIMEOUT);
-        if (status < 0)
+        u8 *buf;
+        int status;
+
+        buf = kmalloc(1, GFP_KERNEL);
+        if (!buf)
+                return -ENOMEM;
+
+        status = usb_control_msg(usbdev, pipe, request, requesttype, value,
+                                     index, buf, 1, MOS_WDR_TIMEOUT);
+        if (status == 1)
+                *data = *buf;
+        else if (status < 0)
                 dev_err(&usbdev->dev,
                         "mos7720: usb_control_msg() failed: %d", status);
+        kfree(buf);
+
         return status;
 }
 
@@ -1618,7 +1629,7 @@ static void change_port_settings(struct tty_struct *tty,
                 mos7720_port->shadowMCR |= (UART_MCR_XONANY);
                 /* To set hardware flow control to the specified *
                  * serial port, in SP1/2_CONTROL_REG             */
-                if (port->number)
+                if (port_number)
                         write_mos_reg(serial, dummy, SP_CONTROL_REG, 0x01);
                 else
                         write_mos_reg(serial, dummy, SP_CONTROL_REG, 0x02);
@@ -1927,7 +1938,7 @@ static int mos7720_startup(struct usb_serial *serial)
 
         /* setting configuration feature to one */
         usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
-                        (__u8)0x03, 0x00, 0x01, 0x00, NULL, 0x00, 5*HZ);
+                        (__u8)0x03, 0x00, 0x01, 0x00, NULL, 0x00, 5000);
 
         /* start the interrupt urb */
         ret_val = usb_submit_urb(serial->port[0]->interrupt_in_urb, GFP_KERNEL);
@@ -1970,7 +1981,7 @@ static void mos7720_release(struct usb_serial *serial)
                 /* wait for synchronous usb calls to return */
                 if (mos_parport->msg_pending)
                         wait_for_completion_timeout(&mos_parport->syncmsg_compl,
-                                                    MOS_WDR_TIMEOUT);
+                                            msecs_to_jiffies(MOS_WDR_TIMEOUT));
 
                 parport_remove_port(mos_parport->pp);
                 usb_set_serial_data(serial, NULL);
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index a0d5ea545982..7e998081e1cd 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -2142,13 +2142,21 @@ static int mos7840_ioctl(struct tty_struct *tty,
 static int mos7810_check(struct usb_serial *serial)
 {
         int i, pass_count = 0;
+        u8 *buf;
         __u16 data = 0, mcr_data = 0;
         __u16 test_pattern = 0x55AA;
+        int res;
+
+        buf = kmalloc(VENDOR_READ_LENGTH, GFP_KERNEL);
+        if (!buf)
+                return 0;       /* failed to identify 7810 */
 
         /* Store MCR setting */
-        usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
+        res = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
                 MCS_RDREQ, MCS_RD_RTYPE, 0x0300, MODEM_CONTROL_REGISTER,
-                &mcr_data, VENDOR_READ_LENGTH, MOS_WDR_TIMEOUT);
+                buf, VENDOR_READ_LENGTH, MOS_WDR_TIMEOUT);
+        if (res == VENDOR_READ_LENGTH)
+                mcr_data = *buf;
 
         for (i = 0; i < 16; i++) {
                 /* Send the 1-bit test pattern out to MCS7810 test pin */
@@ -2158,9 +2166,12 @@ static int mos7810_check(struct usb_serial *serial)
                         MODEM_CONTROL_REGISTER, NULL, 0, MOS_WDR_TIMEOUT);
 
                 /* Read the test pattern back */
-                usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
-                        MCS_RDREQ, MCS_RD_RTYPE, 0, GPIO_REGISTER, &data,
-                        VENDOR_READ_LENGTH, MOS_WDR_TIMEOUT);
+                res = usb_control_msg(serial->dev,
+                                usb_rcvctrlpipe(serial->dev, 0), MCS_RDREQ,
+                                MCS_RD_RTYPE, 0, GPIO_REGISTER, buf,
+                                VENDOR_READ_LENGTH, MOS_WDR_TIMEOUT);
+                if (res == VENDOR_READ_LENGTH)
+                        data = *buf;
 
                 /* If this is a MCS7810 device, both test patterns must match */
                 if (((test_pattern >> i) ^ (~data >> 1)) & 0x0001)
@@ -2174,6 +2185,8 @@ static int mos7810_check(struct usb_serial *serial)
                 MCS_WR_RTYPE, 0x0300 | mcr_data, MODEM_CONTROL_REGISTER, NULL,
                 0, MOS_WDR_TIMEOUT);
 
+        kfree(buf);
+
         if (pass_count == 16)
                 return 1;
 
@@ -2183,11 +2196,17 @@ static int mos7810_check(struct usb_serial *serial)
 static int mos7840_calc_num_ports(struct usb_serial *serial)
 {
         __u16 data = 0x00;
+        u8 *buf;
         int mos7840_num_ports;
 
-        usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
-                MCS_RDREQ, MCS_RD_RTYPE, 0, GPIO_REGISTER, &data,
-                VENDOR_READ_LENGTH, MOS_WDR_TIMEOUT);
+        buf = kzalloc(VENDOR_READ_LENGTH, GFP_KERNEL);
+        if (buf) {
+                usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
+                        MCS_RDREQ, MCS_RD_RTYPE, 0, GPIO_REGISTER, buf,
+                        VENDOR_READ_LENGTH, MOS_WDR_TIMEOUT);
+                data = *buf;
+                kfree(buf);
+        }
 
         if (serial->dev->descriptor.idProduct == MOSCHIP_DEVICE_ID_7810 ||
                 serial->dev->descriptor.idProduct == MOSCHIP_DEVICE_ID_7820) {
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 93d02bc4eb52..bd4323ddae1a 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -250,13 +250,7 @@ static void option_instat_callback(struct urb *urb);
 #define ZTE_PRODUCT_MF622                       0x0001
 #define ZTE_PRODUCT_MF628                       0x0015
 #define ZTE_PRODUCT_MF626                       0x0031
-#define ZTE_PRODUCT_CDMA_TECH                   0xfffe
-#define ZTE_PRODUCT_AC8710                      0xfff1
-#define ZTE_PRODUCT_AC2726                      0xfff5
-#define ZTE_PRODUCT_AC8710T                     0xffff
 #define ZTE_PRODUCT_MC2718                      0xffe8
-#define ZTE_PRODUCT_AD3812                      0xffeb
-#define ZTE_PRODUCT_MC2716                      0xffed
 
 #define BENQ_VENDOR_ID                          0x04a5
 #define BENQ_PRODUCT_H10                        0x4068
@@ -495,18 +489,10 @@ static const struct option_blacklist_info zte_k3765_z_blacklist = {
         .reserved = BIT(4),
 };
 
-static const struct option_blacklist_info zte_ad3812_z_blacklist = {
-        .sendsetup = BIT(0) | BIT(1) | BIT(2),
-};
-
 static const struct option_blacklist_info zte_mc2718_z_blacklist = {
         .sendsetup = BIT(1) | BIT(2) | BIT(3) | BIT(4),
 };
 
-static const struct option_blacklist_info zte_mc2716_z_blacklist = {
-        .sendsetup = BIT(1) | BIT(2) | BIT(3),
-};
-
 static const struct option_blacklist_info huawei_cdc12_blacklist = {
         .reserved = BIT(1) | BIT(2),
 };
@@ -593,6 +579,8 @@ static const struct usb_device_id option_ids[] = {
                 .driver_info = (kernel_ulong_t) &huawei_cdc12_blacklist },
         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3765, 0xff, 0xff, 0xff),
                 .driver_info = (kernel_ulong_t) &huawei_cdc12_blacklist },
+        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x14ac, 0xff, 0xff, 0xff),    /* Huawei E1820 */
+                .driver_info = (kernel_ulong_t) &net_intf1_blacklist },
         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4605, 0xff, 0xff, 0xff),
                 .driver_info = (kernel_ulong_t) &huawei_cdc12_blacklist },
         { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0xff, 0xff) },
@@ -797,7 +785,6 @@ static const struct usb_device_id option_ids[] = {
         { USB_DEVICE_INTERFACE_CLASS(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1012, 0xff) },
         { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC650) },
         { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) },
-        { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6000)}, /* ZTE AC8700 */
         { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
         { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */
         { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6280) }, /* BP3-USB & BP3-EXT HSDPA */
@@ -1199,16 +1186,9 @@ static const struct usb_device_id option_ids[] = {
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0178, 0xff, 0xff, 0xff),
                 .driver_info = (kernel_ulong_t)&net_intf3_blacklist },
 
-        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_CDMA_TECH, 0xff, 0xff, 0xff) },
-        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC8710, 0xff, 0xff, 0xff) },
-        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC2726, 0xff, 0xff, 0xff) },
-        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC8710T, 0xff, 0xff, 0xff) },
+        /* NOTE: most ZTE CDMA devices should be driven by zte_ev, not option */
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MC2718, 0xff, 0xff, 0xff),
          .driver_info = (kernel_ulong_t)&zte_mc2718_z_blacklist },
-        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AD3812, 0xff, 0xff, 0xff),
-         .driver_info = (kernel_ulong_t)&zte_ad3812_z_blacklist },
-        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MC2716, 0xff, 0xff, 0xff),
-         .driver_info = (kernel_ulong_t)&zte_mc2716_z_blacklist },
         { USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x02, 0x01) },
         { USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x02, 0x05) },
         { USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x86, 0x10) },
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 7151659367a0..048cd44d51b1 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -284,7 +284,7 @@ static void pl2303_set_termios(struct tty_struct *tty,
            serial settings even to the same values as before. Thus
            we actually need to filter in this specific case */
 
-        if (!tty_termios_hw_change(&tty->termios, old_termios))
+        if (old_termios && !tty_termios_hw_change(&tty->termios, old_termios))
                 return;
 
         cflag = tty->termios.c_cflag;
@@ -293,7 +293,8 @@ static void pl2303_set_termios(struct tty_struct *tty,
         if (!buf) {
                 dev_err(&port->dev, "%s - out of memory.\n", __func__);
                 /* Report back no change occurred */
-                tty->termios = *old_termios;
+                if (old_termios)
+                        tty->termios = *old_termios;
                 return;
         }
 
@@ -433,7 +434,7 @@ 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 if ((old_termios->c_cflag & CBAUD) == B0)
+        else if (old_termios && (old_termios->c_cflag & CBAUD) == B0)
                 priv->line_control |= (CONTROL_DTR | CONTROL_RTS);
         if (control != priv->line_control) {
                 control = priv->line_control;
@@ -492,7 +493,6 @@ static void pl2303_close(struct usb_serial_port *port)
 
 static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)
 {
-        struct ktermios tmp_termios;
         struct usb_serial *serial = port->serial;
         struct pl2303_serial_private *spriv = usb_get_serial_data(serial);
         int result;
@@ -508,7 +508,7 @@ static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)
 
         /* Setup termios */
         if (tty)
-                pl2303_set_termios(tty, port, &tmp_termios);
+                pl2303_set_termios(tty, port, NULL);
 
         result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
         if (result) {
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 59b32b782126..bd794b43898c 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -118,6 +118,7 @@ static const struct usb_device_id id_table[] = {
         {USB_DEVICE(0x1199, 0x901b)},   /* Sierra Wireless MC7770 */
         {USB_DEVICE(0x12D1, 0x14F0)},   /* Sony Gobi 3000 QDL */
         {USB_DEVICE(0x12D1, 0x14F1)},   /* Sony Gobi 3000 Composite */
+        {USB_DEVICE(0x0AF0, 0x8120)},   /* Option GTM681W */
 
         /* non Gobi Qualcomm serial devices */
         {USB_DEVICE_INTERFACE_NUMBER(0x0f3d, 0x68a2, 0)},       /* Sierra Wireless MC7700 Device Management */
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index cf3df793c2b7..ddf6c47137dc 100644
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -291,7 +291,6 @@ static void spcp8x5_set_termios(struct tty_struct *tty,
         struct spcp8x5_private *priv = usb_get_serial_port_data(port);
         unsigned long flags;
         unsigned int cflag = tty->termios.c_cflag;
-        unsigned int old_cflag = old_termios->c_cflag;
         unsigned short uartdata;
         unsigned char buf[2] = {0, 0};
         int baud;
@@ -299,15 +298,15 @@ static void spcp8x5_set_termios(struct tty_struct *tty,
         u8 control;
 
         /* check that they really want us to change something */
-        if (!tty_termios_hw_change(&tty->termios, old_termios))
+        if (old_termios && !tty_termios_hw_change(&tty->termios, old_termios))
                 return;
 
         /* set DTR/RTS active */
         spin_lock_irqsave(&priv->lock, flags);
         control = priv->line_control;
-        if ((old_cflag & CBAUD) == B0) {
+        if (old_termios && (old_termios->c_cflag & CBAUD) == B0) {
                 priv->line_control |= MCR_DTR;
-                if (!(old_cflag & CRTSCTS))
+                if (!(old_termios->c_cflag & CRTSCTS))
                         priv->line_control |= MCR_RTS;
         }
         if (control != priv->line_control) {
@@ -394,7 +393,6 @@ static void spcp8x5_set_termios(struct tty_struct *tty,
 
 static int spcp8x5_open(struct tty_struct *tty, struct usb_serial_port *port)
 {
-        struct ktermios tmp_termios;
         struct usb_serial *serial = port->serial;
         struct spcp8x5_private *priv = usb_get_serial_port_data(port);
         int ret;
@@ -411,7 +409,7 @@ static int spcp8x5_open(struct tty_struct *tty, struct usb_serial_port *port)
         spcp8x5_set_ctrl_line(port, priv->line_control);
 
         if (tty)
-                spcp8x5_set_termios(tty, port, &tmp_termios);
+                spcp8x5_set_termios(tty, port, NULL);
 
         port->port.drain_delay = 256;
 
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index c92c5ed4e580..e581c2549a57 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -172,7 +172,8 @@ static struct usb_device_id ti_id_table_3410[15+TI_EXTRA_VID_PID_COUNT+1] = {
         { USB_DEVICE(IBM_VENDOR_ID, IBM_4543_PRODUCT_ID) },
         { USB_DEVICE(IBM_VENDOR_ID, IBM_454B_PRODUCT_ID) },
         { USB_DEVICE(IBM_VENDOR_ID, IBM_454C_PRODUCT_ID) },
-        { USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_PRODUCT_ID) },
+        { USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_STEREO_PLUG_ID) },
+        { USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_STRIP_PORT_ID) },
         { USB_DEVICE(TI_VENDOR_ID, FRI2_PRODUCT_ID) },
 };
 
diff --git a/drivers/usb/serial/ti_usb_3410_5052.h b/drivers/usb/serial/ti_usb_3410_5052.h
index b353e7e3d480..4a2423e84d55 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.h
+++ b/drivers/usb/serial/ti_usb_3410_5052.h
@@ -52,7 +52,9 @@
 
 /* Abbott Diabetics vendor and product ids */
 #define ABBOTT_VENDOR_ID                0x1a61
-#define ABBOTT_PRODUCT_ID               0x3410
+#define ABBOTT_STEREO_PLUG_ID           0x3410
+#define ABBOTT_PRODUCT_ID               ABBOTT_STEREO_PLUG_ID
+#define ABBOTT_STRIP_PORT_ID            0x3420
 
 /* Commands */
 #define TI_GET_VERSION                  0x01
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 4753c005cfb6..5f6b1ff9d29e 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -408,7 +408,7 @@ static int serial_ioctl(struct tty_struct *tty,
                                         unsigned int cmd, unsigned long arg)
 {
         struct usb_serial_port *port = tty->driver_data;
-        int retval = -ENODEV;
+        int retval = -ENOIOCTLCMD;
 
         dev_dbg(tty->dev, "%s - cmd 0x%.4x\n", __func__, cmd);
 
@@ -420,8 +420,6 @@ static int serial_ioctl(struct tty_struct *tty,
         default:
                 if (port->serial->type->ioctl)
                         retval = port->serial->type->ioctl(tty, cmd, arg);
-                else
-                        retval = -ENOIOCTLCMD;
         }
 
         return retval;
diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
index 7573ec8a084f..9910aa2edf4b 100644
--- a/drivers/usb/serial/visor.c
+++ b/drivers/usb/serial/visor.c
@@ -560,10 +560,19 @@ static int treo_attach(struct usb_serial *serial)
         */
 #define COPY_PORT(dest, src)                                            \
         do { \
+                int i;                                                  \
+                                                                        \
+                for (i = 0; i < ARRAY_SIZE(src->read_urbs); ++i) {      \
+                        dest->read_urbs[i] = src->read_urbs[i];         \
+                        dest->read_urbs[i]->context = dest;             \
+                        dest->bulk_in_buffers[i] = src->bulk_in_buffers[i]; \
+                }                                                       \
                 dest->read_urb = src->read_urb;                         \
                 dest->bulk_in_endpointAddress = src->bulk_in_endpointAddress;\
                 dest->bulk_in_buffer = src->bulk_in_buffer;             \
+                dest->bulk_in_size = src->bulk_in_size;                 \
                 dest->interrupt_in_urb = src->interrupt_in_urb;         \
+                dest->interrupt_in_urb->context = dest;                 \
                 dest->interrupt_in_endpointAddress = \
                                         src->interrupt_in_endpointAddress;\
                 dest->interrupt_in_buffer = src->interrupt_in_buffer;   \
diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index b9fca3586d74..347caad47a12 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -649,7 +649,7 @@ static void firm_setup_port(struct tty_struct *tty)
         struct whiteheat_port_settings port_settings;
         unsigned int cflag = tty->termios.c_cflag;
 
-        port_settings.port = port->number + 1;
+        port_settings.port = port->number - port->serial->minor + 1;
 
         /* get the byte size */
         switch (cflag & CSIZE) {
diff --git a/drivers/usb/serial/zte_ev.c b/drivers/usb/serial/zte_ev.c
index 39ee7373b4ee..fca4c752a4ed 100644
--- a/drivers/usb/serial/zte_ev.c
+++ b/drivers/usb/serial/zte_ev.c
@@ -41,9 +41,6 @@ static int zte_ev_usb_serial_open(struct tty_struct *tty,
         int len;
         unsigned char *buf;
 
-        if (port->number != 0)
-                return -ENODEV;
-
         buf = kmalloc(MAX_SETUP_DATA_SIZE, GFP_KERNEL);
         if (!buf)
                 return -ENOMEM;
@@ -53,7 +50,7 @@ static int zte_ev_usb_serial_open(struct tty_struct *tty,
         result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
                                  0x22, 0x21,
                                  0x0001, 0x0000, NULL, len,
-                                 HZ * USB_CTRL_GET_TIMEOUT);
+                                 USB_CTRL_GET_TIMEOUT);
         dev_dbg(dev, "result = %d\n", result);
 
         /* send  2st cmd and recieve data */
@@ -65,7 +62,7 @@ static int zte_ev_usb_serial_open(struct tty_struct *tty,
         result = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
                                  0x21, 0xa1,
                                  0x0000, 0x0000, buf, len,
-                                 HZ * USB_CTRL_GET_TIMEOUT);
+                                 USB_CTRL_GET_TIMEOUT);
         debug_data(dev, __func__, len, buf, result);
 
         /* send 3 cmd */
@@ -84,7 +81,7 @@ static int zte_ev_usb_serial_open(struct tty_struct *tty,
         result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
                                  0x20, 0x21,
                                  0x0000, 0x0000, buf, len,
-                                 HZ * USB_CTRL_GET_TIMEOUT);
+                                 USB_CTRL_GET_TIMEOUT);
         debug_data(dev, __func__, len, buf, result);
 
         /* send 4 cmd */
@@ -95,7 +92,7 @@ static int zte_ev_usb_serial_open(struct tty_struct *tty,
         result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
                                  0x22, 0x21,
                                  0x0003, 0x0000, NULL, len,
-                                 HZ * USB_CTRL_GET_TIMEOUT);
+                                 USB_CTRL_GET_TIMEOUT);
         dev_dbg(dev, "result = %d\n", result);
 
         /* send 5 cmd */
@@ -107,7 +104,7 @@ static int zte_ev_usb_serial_open(struct tty_struct *tty,
         result = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
                                  0x21, 0xa1,
                                  0x0000, 0x0000, buf, len,
-                                 HZ * USB_CTRL_GET_TIMEOUT);
+                                 USB_CTRL_GET_TIMEOUT);
         debug_data(dev, __func__, len, buf, result);
 
         /* send 6 cmd */
@@ -126,7 +123,7 @@ static int zte_ev_usb_serial_open(struct tty_struct *tty,
         result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
                                  0x20, 0x21,
                                  0x0000, 0x0000, buf, len,
-                                 HZ * USB_CTRL_GET_TIMEOUT);
+                                 USB_CTRL_GET_TIMEOUT);
         debug_data(dev, __func__, len, buf, result);
         kfree(buf);
 
@@ -166,9 +163,6 @@ static void zte_ev_usb_serial_close(struct usb_serial_port *port)
         int len;
         unsigned char *buf;
 
-        if (port->number != 0)
-                return;
-
         buf = kmalloc(MAX_SETUP_DATA_SIZE, GFP_KERNEL);
         if (!buf)
                 return;
@@ -178,7 +172,7 @@ static void zte_ev_usb_serial_close(struct usb_serial_port *port)
         result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
                                  0x22, 0x21,
                                  0x0002, 0x0000, NULL, len,
-                                 HZ * USB_CTRL_GET_TIMEOUT);
+                                 USB_CTRL_GET_TIMEOUT);
         dev_dbg(dev, "result = %d\n", result);
 
         /* send 2st ctl cmd(CTL    21 22 03 00  00 00 00 00 ) */
@@ -186,7 +180,7 @@ static void zte_ev_usb_serial_close(struct usb_serial_port *port)
         result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
                                  0x22, 0x21,
                                  0x0003, 0x0000, NULL, len,
-                                 HZ * USB_CTRL_GET_TIMEOUT);
+                                 USB_CTRL_GET_TIMEOUT);
         dev_dbg(dev, "result = %d\n", result);
 
         /* send  3st cmd and recieve data */
@@ -198,7 +192,7 @@ static void zte_ev_usb_serial_close(struct usb_serial_port *port)
         result = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
                                  0x21, 0xa1,
                                  0x0000, 0x0000, buf, len,
-                                 HZ * USB_CTRL_GET_TIMEOUT);
+                                 USB_CTRL_GET_TIMEOUT);
         debug_data(dev, __func__, len, buf, result);
 
         /* send 4 cmd */
@@ -217,7 +211,7 @@ static void zte_ev_usb_serial_close(struct usb_serial_port *port)
         result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
                                  0x20, 0x21,
                                  0x0000, 0x0000, buf, len,
-                                 HZ * USB_CTRL_GET_TIMEOUT);
+                                 USB_CTRL_GET_TIMEOUT);
         debug_data(dev, __func__, len, buf, result);
 
         /* send 5 cmd */
@@ -228,7 +222,7 @@ static void zte_ev_usb_serial_close(struct usb_serial_port *port)
         result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
                                  0x22, 0x21,
                                  0x0003, 0x0000, NULL, len,
-                                 HZ * USB_CTRL_GET_TIMEOUT);
+                                 USB_CTRL_GET_TIMEOUT);
         dev_dbg(dev, "result = %d\n", result);
 
         /* send 6 cmd */
@@ -240,7 +234,7 @@ static void zte_ev_usb_serial_close(struct usb_serial_port *port)
         result = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
                                  0x21, 0xa1,
                                  0x0000, 0x0000, buf, len,
-                                 HZ * USB_CTRL_GET_TIMEOUT);
+                                 USB_CTRL_GET_TIMEOUT);
         debug_data(dev, __func__, len, buf, result);
 
         /* send 7 cmd */
@@ -259,7 +253,7 @@ static void zte_ev_usb_serial_close(struct usb_serial_port *port)
         result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
                                  0x20, 0x21,
                                  0x0000, 0x0000, buf, len,
-                                 HZ * USB_CTRL_GET_TIMEOUT);
+                                 USB_CTRL_GET_TIMEOUT);
         debug_data(dev, __func__, len, buf, result);
 
         /* send 8 cmd */
@@ -270,7 +264,7 @@ static void zte_ev_usb_serial_close(struct usb_serial_port *port)
         result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
                                  0x22, 0x21,
                                  0x0003, 0x0000, NULL, len,
-                                 HZ * USB_CTRL_GET_TIMEOUT);
+                                 USB_CTRL_GET_TIMEOUT);
         dev_dbg(dev, "result = %d\n", result);
 
         kfree(buf);
@@ -279,11 +273,29 @@ static void zte_ev_usb_serial_close(struct usb_serial_port *port)
 }
 
 static const struct usb_device_id id_table[] = {
-        { USB_DEVICE(0x19d2, 0xffff) }, /* AC8700 */
-        { USB_DEVICE(0x19d2, 0xfffe) },
-        { USB_DEVICE(0x19d2, 0xfffd) }, /* MG880 */
+        /* AC8710, AC8710T */
+        { USB_DEVICE_AND_INTERFACE_INFO(0x19d2, 0xffff, 0xff, 0xff, 0xff) },
+         /* AC8700 */
+        { USB_DEVICE_AND_INTERFACE_INFO(0x19d2, 0xfffe, 0xff, 0xff, 0xff) },
+        /* MG880 */
+        { USB_DEVICE(0x19d2, 0xfffd) },
+        { USB_DEVICE(0x19d2, 0xfffc) },
+        { USB_DEVICE(0x19d2, 0xfffb) },
+        /* AC2726, AC8710_V3 */
+        { USB_DEVICE_AND_INTERFACE_INFO(0x19d2, 0xfff1, 0xff, 0xff, 0xff) },
+        { USB_DEVICE(0x19d2, 0xfff6) },
+        { USB_DEVICE(0x19d2, 0xfff7) },
+        { USB_DEVICE(0x19d2, 0xfff8) },
+        { USB_DEVICE(0x19d2, 0xfff9) },
+        { USB_DEVICE(0x19d2, 0xffee) },
+        /* AC2716, MC2716 */
+        { USB_DEVICE_AND_INTERFACE_INFO(0x19d2, 0xffed, 0xff, 0xff, 0xff) },
+        /* AD3812 */
+        { USB_DEVICE_AND_INTERFACE_INFO(0x19d2, 0xffeb, 0xff, 0xff, 0xff) },
+        { USB_DEVICE(0x19d2, 0xffec) },
         { USB_DEVICE(0x05C6, 0x3197) },
         { USB_DEVICE(0x05C6, 0x6000) },
+        { USB_DEVICE(0x05C6, 0x9008) },
         { },
 };
 MODULE_DEVICE_TABLE(usb, id_table);
diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c
index acb7121a9316..6d78736563de 100644
--- a/drivers/vfio/vfio.c
+++ b/drivers/vfio/vfio.c
@@ -1360,7 +1360,7 @@ static const struct file_operations vfio_device_fops = {
  */
 static char *vfio_devnode(struct device *dev, umode_t *mode)
 {
-        if (MINOR(dev->devt) == 0)
+        if (mode && (MINOR(dev->devt) == 0))
                 *mode = S_IRUGO | S_IWUGO;
 
         return kasprintf(GFP_KERNEL, "vfio/%s", dev_name(dev));
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 2b51e2336aa2..f80d3dd41d8c 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -155,14 +155,11 @@ static void vhost_net_ubuf_put_and_wait(struct vhost_net_ubuf_ref *ubufs)
 
 static void vhost_net_clear_ubuf_info(struct vhost_net *n)
 {
-
-        bool zcopy;
         int i;
 
-        for (i = 0; i < n->dev.nvqs; ++i) {
-                zcopy = vhost_net_zcopy_mask & (0x1 << i);
-                if (zcopy)
-                        kfree(n->vqs[i].ubuf_info);
+        for (i = 0; i < VHOST_NET_VQ_MAX; ++i) {
+                kfree(n->vqs[i].ubuf_info);
+                n->vqs[i].ubuf_info = NULL;
         }
 }
 
@@ -171,7 +168,7 @@ int vhost_net_set_ubuf_info(struct vhost_net *n)
         bool zcopy;
         int i;
 
-        for (i = 0; i < n->dev.nvqs; ++i) {
+        for (i = 0; i < VHOST_NET_VQ_MAX; ++i) {
                 zcopy = vhost_net_zcopy_mask & (0x1 << i);
                 if (!zcopy)
                         continue;
@@ -183,12 +180,7 @@ int vhost_net_set_ubuf_info(struct vhost_net *n)
         return 0;
 
 err:
-        while (i--) {
-                zcopy = vhost_net_zcopy_mask & (0x1 << i);
-                if (!zcopy)
-                        continue;
-                kfree(n->vqs[i].ubuf_info);
-        }
+        vhost_net_clear_ubuf_info(n);
         return -ENOMEM;
 }
 
@@ -196,12 +188,12 @@ void vhost_net_vq_reset(struct vhost_net *n)
 {
         int i;
 
+        vhost_net_clear_ubuf_info(n);
+
         for (i = 0; i < VHOST_NET_VQ_MAX; i++) {
                 n->vqs[i].done_idx = 0;
                 n->vqs[i].upend_idx = 0;
                 n->vqs[i].ubufs = NULL;
-                kfree(n->vqs[i].ubuf_info);
-                n->vqs[i].ubuf_info = NULL;
                 n->vqs[i].vhost_hlen = 0;
                 n->vqs[i].sock_hlen = 0;
         }
@@ -436,7 +428,8 @@ static void handle_tx(struct vhost_net *net)
                                 kref_get(&ubufs->kref);
                         }
                         nvq->upend_idx = (nvq->upend_idx + 1) % UIO_MAXIOV;
-                }
+                } else
+                        msg.msg_control = NULL;
                 /* TODO: Check specific error and bomb out unless ENOBUFS? */
                 err = sock->ops->sendmsg(NULL, sock, &msg, len);
                 if (unlikely(err < 0)) {
@@ -1053,6 +1046,10 @@ static long vhost_net_set_owner(struct vhost_net *n)
         int r;
 
         mutex_lock(&n->dev.mutex);
+        if (vhost_dev_has_owner(&n->dev)) {
+                r = -EBUSY;
+                goto out;
+        }
         r = vhost_net_set_ubuf_info(n);
         if (r)
                 goto out;
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index beee7f5787e6..60aa5ad09a2f 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -344,13 +344,19 @@ static int vhost_attach_cgroups(struct vhost_dev *dev)
 }
 
 /* Caller should have device mutex */
+bool vhost_dev_has_owner(struct vhost_dev *dev)
+{
+        return dev->mm;
+}
+
+/* Caller should have device mutex */
 long vhost_dev_set_owner(struct vhost_dev *dev)
 {
         struct task_struct *worker;
         int err;
 
         /* Is there an owner already? */
-        if (dev->mm) {
+        if (vhost_dev_has_owner(dev)) {
                 err = -EBUSY;
                 goto err_mm;
         }
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
index a7ad63592987..64adcf99ff33 100644
--- a/drivers/vhost/vhost.h
+++ b/drivers/vhost/vhost.h
@@ -133,6 +133,7 @@ struct vhost_dev {
 
 long vhost_dev_init(struct vhost_dev *, struct vhost_virtqueue **vqs, int nvqs);
 long vhost_dev_set_owner(struct vhost_dev *dev);
+bool vhost_dev_has_owner(struct vhost_dev *dev);
 long vhost_dev_check_owner(struct vhost_dev *);
 struct vhost_memory *vhost_dev_reset_owner_prepare(void);
 void vhost_dev_reset_owner(struct vhost_dev *, struct vhost_memory *);
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index d71d60f94fc1..2e937bdace6f 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -2199,7 +2199,7 @@ config FB_XILINX
 
 config FB_GOLDFISH
         tristate "Goldfish Framebuffer"
-        depends on FB
+        depends on FB && HAS_DMA
         select FB_CFB_FILLRECT
         select FB_CFB_COPYAREA
         select FB_CFB_IMAGEBLIT
@@ -2453,6 +2453,23 @@ config FB_HYPERV
         help
           This framebuffer driver supports Microsoft Hyper-V Synthetic Video.
 
+config FB_SIMPLE
+        bool "Simple framebuffer support"
+        depends on (FB = y) && OF
+        select FB_CFB_FILLRECT
+        select FB_CFB_COPYAREA
+        select FB_CFB_IMAGEBLIT
+        help
+          Say Y if you want support for a simple frame-buffer.
+
+          This driver assumes that the display hardware has been initialized
+          before the kernel boots, and the kernel will simply render to the
+          pre-allocated frame buffer surface.
+
+          Configuration re: surface address, size, and format must be provided
+          through device tree, or potentially plain old platform data in the
+          future.
+
 source "drivers/video/omap/Kconfig"
 source "drivers/video/omap2/Kconfig"
 source "drivers/video/exynos/Kconfig"
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 7234e4a959e8..e8bae8dd4804 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -166,6 +166,7 @@ obj-$(CONFIG_FB_MX3)		  += mx3fb.o
 obj-$(CONFIG_FB_DA8XX)            += da8xx-fb.o
 obj-$(CONFIG_FB_MXS)              += mxsfb.o
 obj-$(CONFIG_FB_SSD1307)          += ssd1307fb.o
+obj-$(CONFIG_FB_SIMPLE)           += simplefb.o
 
 # the test framebuffer is last
 obj-$(CONFIG_FB_VIRTUAL)          += vfb.o
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index 540909de6247..effdb373b8db 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -223,8 +223,14 @@ static void init_backlight(struct atmel_lcdfb_info *sinfo)
 
 static void exit_backlight(struct atmel_lcdfb_info *sinfo)
 {
-        if (sinfo->backlight)
-                backlight_device_unregister(sinfo->backlight);
+        if (!sinfo->backlight)
+                return;
+
+        if (sinfo->backlight->ops) {
+                sinfo->backlight->props.power = FB_BLANK_POWERDOWN;
+                sinfo->backlight->ops->update_status(sinfo->backlight);
+        }
+        backlight_device_unregister(sinfo->backlight);
 }
 
 #else
@@ -461,8 +467,11 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var,
         if (info->fix.smem_len) {
                 unsigned int smem_len = (var->xres_virtual * var->yres_virtual
                                          * ((var->bits_per_pixel + 7) / 8));
-                if (smem_len > info->fix.smem_len)
+                if (smem_len > info->fix.smem_len) {
+                        dev_err(dev, "Frame buffer is too small (%u) for screen size (need at least %u)\n",
+                                info->fix.smem_len, smem_len);
                         return -EINVAL;
+                }
         }
 
         /* Saturate vertical and horizontal timings at maximum values */
diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c
index 60cc6fee6548..c9c2252e3719 100644
--- a/drivers/video/omap2/dss/core.c
+++ b/drivers/video/omap2/dss/core.c
@@ -53,6 +53,8 @@ static char *def_disp_name;
 module_param_named(def_disp, def_disp_name, charp, 0);
 MODULE_PARM_DESC(def_disp, "default display name");
 
+static bool dss_initialized;
+
 const char *omapdss_get_default_display_name(void)
 {
         return core.default_display_name;
@@ -66,6 +68,12 @@ enum omapdss_version omapdss_get_version(void)
 }
 EXPORT_SYMBOL(omapdss_get_version);
 
+bool omapdss_is_initialized(void)
+{
+        return dss_initialized;
+}
+EXPORT_SYMBOL(omapdss_is_initialized);
+
 struct platform_device *dss_get_core_pdev(void)
 {
         return core.pdev;
@@ -603,6 +611,8 @@ static int __init omap_dss_init(void)
                 return r;
         }
 
+        dss_initialized = true;
+
         return 0;
 }
 
@@ -633,7 +643,15 @@ static int __init omap_dss_init(void)
 
 static int __init omap_dss_init2(void)
 {
-        return omap_dss_register_drivers();
+        int r;
+
+        r = omap_dss_register_drivers();
+        if (r)
+                return r;
+
+        dss_initialized = true;
+
+        return 0;
 }
 
 core_initcall(omap_dss_init);
diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c
index c84bb8a4d0c4..856917b33616 100644
--- a/drivers/video/omap2/omapfb/omapfb-main.c
+++ b/drivers/video/omap2/omapfb/omapfb-main.c
@@ -2416,6 +2416,9 @@ static int omapfb_probe(struct platform_device *pdev)
 
         DBG("omapfb_probe\n");
 
+        if (omapdss_is_initialized() == false)
+                return -EPROBE_DEFER;
+
         if (pdev->num_resources != 0) {
                 dev_err(&pdev->dev, "probed for an unknown device\n");
                 r = -ENODEV;
diff --git a/drivers/video/ps3fb.c b/drivers/video/ps3fb.c
index d9f08c653d62..dbfe2c18a434 100644
--- a/drivers/video/ps3fb.c
+++ b/drivers/video/ps3fb.c
@@ -710,7 +710,7 @@ static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
         r = vm_iomap_memory(vma, info->fix.smem_start, info->fix.smem_len);
 
         dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n",
-                info->fix.smem_start + vma->vm_pgoff << PAGE_SHIFT,
+                info->fix.smem_start + (vma->vm_pgoff << PAGE_SHIFT),
                 vma->vm_start);
 
         return r;
diff --git a/drivers/video/simplefb.c b/drivers/video/simplefb.c
new file mode 100644
index 000000000000..e2e9e3e61b72
--- /dev/null
+++ b/drivers/video/simplefb.c
@@ -0,0 +1,234 @@
+/*
+ * Simplest possible simple frame-buffer driver, as a platform device
+ *
+ * Copyright (c) 2013, Stephen Warren
+ *
+ * Based on q40fb.c, which was:
+ * Copyright (C) 2001 Richard Zidlicky <rz@linux-m68k.org>
+ *
+ * Also based on offb.c, which was:
+ * Copyright (C) 1997 Geert Uytterhoeven
+ * Copyright (C) 1996 Paul Mackerras
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#include <linux/errno.h>
+#include <linux/fb.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+static struct fb_fix_screeninfo simplefb_fix = {
+        .id             = "simple",
+        .type           = FB_TYPE_PACKED_PIXELS,
+        .visual         = FB_VISUAL_TRUECOLOR,
+        .accel          = FB_ACCEL_NONE,
+};
+
+static struct fb_var_screeninfo simplefb_var = {
+        .height         = -1,
+        .width          = -1,
+        .activate       = FB_ACTIVATE_NOW,
+        .vmode          = FB_VMODE_NONINTERLACED,
+};
+
+static int simplefb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
+                              u_int transp, struct fb_info *info)
+{
+        u32 *pal = info->pseudo_palette;
+        u32 cr = red >> (16 - info->var.red.length);
+        u32 cg = green >> (16 - info->var.green.length);
+        u32 cb = blue >> (16 - info->var.blue.length);
+        u32 value;
+
+        if (regno >= 16)
+                return -EINVAL;
+
+        value = (cr << info->var.red.offset) |
+                (cg << info->var.green.offset) |
+                (cb << info->var.blue.offset);
+        if (info->var.transp.length > 0) {
+                u32 mask = (1 << info->var.transp.length) - 1;
+                mask <<= info->var.transp.offset;
+                value |= mask;
+        }
+        pal[regno] = value;
+
+        return 0;
+}
+
+static struct fb_ops simplefb_ops = {
+        .owner          = THIS_MODULE,
+        .fb_setcolreg   = simplefb_setcolreg,
+        .fb_fillrect    = cfb_fillrect,
+        .fb_copyarea    = cfb_copyarea,
+        .fb_imageblit   = cfb_imageblit,
+};
+
+struct simplefb_format {
+        const char *name;
+        u32 bits_per_pixel;
+        struct fb_bitfield red;
+        struct fb_bitfield green;
+        struct fb_bitfield blue;
+        struct fb_bitfield transp;
+};
+
+static struct simplefb_format simplefb_formats[] = {
+        { "r5g6b5", 16, {11, 5}, {5, 6}, {0, 5}, {0, 0} },
+};
+
+struct simplefb_params {
+        u32 width;
+        u32 height;
+        u32 stride;
+        struct simplefb_format *format;
+};
+
+static int simplefb_parse_dt(struct platform_device *pdev,
+                           struct simplefb_params *params)
+{
+        struct device_node *np = pdev->dev.of_node;
+        int ret;
+        const char *format;
+        int i;
+
+        ret = of_property_read_u32(np, "width", &params->width);
+        if (ret) {
+                dev_err(&pdev->dev, "Can't parse width property\n");
+                return ret;
+        }
+
+        ret = of_property_read_u32(np, "height", &params->height);
+        if (ret) {
+                dev_err(&pdev->dev, "Can't parse height property\n");
+                return ret;
+        }
+
+        ret = of_property_read_u32(np, "stride", &params->stride);
+        if (ret) {
+                dev_err(&pdev->dev, "Can't parse stride property\n");
+                return ret;
+        }
+
+        ret = of_property_read_string(np, "format", &format);
+        if (ret) {
+                dev_err(&pdev->dev, "Can't parse format property\n");
+                return ret;
+        }
+        params->format = NULL;
+        for (i = 0; i < ARRAY_SIZE(simplefb_formats); i++) {
+                if (strcmp(format, simplefb_formats[i].name))
+                        continue;
+                params->format = &simplefb_formats[i];
+                break;
+        }
+        if (!params->format) {
+                dev_err(&pdev->dev, "Invalid format value\n");
+                return -EINVAL;
+        }
+
+        return 0;
+}
+
+static int simplefb_probe(struct platform_device *pdev)
+{
+        int ret;
+        struct simplefb_params params;
+        struct fb_info *info;
+        struct resource *mem;
+
+        if (fb_get_options("simplefb", NULL))
+                return -ENODEV;
+
+        ret = simplefb_parse_dt(pdev, &params);
+        if (ret)
+                return ret;
+
+        mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        if (!mem) {
+                dev_err(&pdev->dev, "No memory resource\n");
+                return -EINVAL;
+        }
+
+        info = framebuffer_alloc(sizeof(u32) * 16, &pdev->dev);
+        if (!info)
+                return -ENOMEM;
+        platform_set_drvdata(pdev, info);
+
+        info->fix = simplefb_fix;
+        info->fix.smem_start = mem->start;
+        info->fix.smem_len = resource_size(mem);
+        info->fix.line_length = params.stride;
+
+        info->var = simplefb_var;
+        info->var.xres = params.width;
+        info->var.yres = params.height;
+        info->var.xres_virtual = params.width;
+        info->var.yres_virtual = params.height;
+        info->var.bits_per_pixel = params.format->bits_per_pixel;
+        info->var.red = params.format->red;
+        info->var.green = params.format->green;
+        info->var.blue = params.format->blue;
+        info->var.transp = params.format->transp;
+
+        info->fbops = &simplefb_ops;
+        info->flags = FBINFO_DEFAULT;
+        info->screen_base = devm_ioremap(&pdev->dev, info->fix.smem_start,
+                                         info->fix.smem_len);
+        if (!info->screen_base) {
+                framebuffer_release(info);
+                return -ENODEV;
+        }
+        info->pseudo_palette = (void *)(info + 1);
+
+        ret = register_framebuffer(info);
+        if (ret < 0) {
+                dev_err(&pdev->dev, "Unable to register simplefb: %d\n", ret);
+                framebuffer_release(info);
+                return ret;
+        }
+
+        dev_info(&pdev->dev, "fb%d: simplefb registered!\n", info->node);
+
+        return 0;
+}
+
+static int simplefb_remove(struct platform_device *pdev)
+{
+        struct fb_info *info = platform_get_drvdata(pdev);
+
+        unregister_framebuffer(info);
+        framebuffer_release(info);
+
+        return 0;
+}
+
+static const struct of_device_id simplefb_of_match[] = {
+        { .compatible = "simple-framebuffer", },
+        { },
+};
+MODULE_DEVICE_TABLE(of, simplefb_of_match);
+
+static struct platform_driver simplefb_driver = {
+        .driver = {
+                .name = "simple-framebuffer",
+                .owner = THIS_MODULE,
+                .of_match_table = simplefb_of_match,
+        },
+        .probe = simplefb_probe,
+        .remove = simplefb_remove,
+};
+module_platform_driver(simplefb_driver);
+
+MODULE_AUTHOR("Stephen Warren <swarren@wwwdotorg.org>");
+MODULE_DESCRIPTION("Simple framebuffer driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/xen/tmem.c b/drivers/xen/tmem.c
index 18e8bd8fa947..0f0493c63371 100644
--- a/drivers/xen/tmem.c
+++ b/drivers/xen/tmem.c
@@ -41,6 +41,8 @@ module_param(selfballooning, bool, S_IRUGO);
 #ifdef CONFIG_FRONTSWAP
 static bool frontswap __read_mostly = true;
 module_param(frontswap, bool, S_IRUGO);
+#else /* CONFIG_FRONTSWAP */
+#define frontswap (0)
 #endif /* CONFIG_FRONTSWAP */
 
 #ifdef CONFIG_XEN_SELFBALLOONING
@@ -377,10 +379,10 @@ static int xen_tmem_init(void)
 #ifdef CONFIG_FRONTSWAP
         if (tmem_enabled && frontswap) {
                 char *s = "";
-                struct frontswap_ops *old_ops =
-                        frontswap_register_ops(&tmem_frontswap_ops);
+                struct frontswap_ops *old_ops;
 
                 tmem_frontswap_poolid = -1;
+                old_ops = frontswap_register_ops(&tmem_frontswap_ops);
                 if (IS_ERR(old_ops) || old_ops) {
                         if (IS_ERR(old_ops))
                                 return PTR_ERR(old_ops);
diff --git a/drivers/xen/xen-pciback/pci_stub.c b/drivers/xen/xen-pciback/pci_stub.c
index a2278ba7fb27..4e8ba38aa0c9 100644
--- a/drivers/xen/xen-pciback/pci_stub.c
+++ b/drivers/xen/xen-pciback/pci_stub.c
@@ -106,7 +106,7 @@ static void pcistub_device_release(struct kref *kref)
         else
                 pci_restore_state(dev);
 
-        if (pci_find_capability(dev, PCI_CAP_ID_MSIX)) {
+        if (dev->msix_cap) {
                 struct physdev_pci_device ppdev = {
                         .seg = pci_domain_nr(dev->bus),
                         .bus = dev->bus->number,
@@ -371,7 +371,7 @@ static int pcistub_init_device(struct pci_dev *dev)
         if (err)
                 goto config_release;
 
-        if (pci_find_capability(dev, PCI_CAP_ID_MSIX)) {
+        if (dev->msix_cap) {
                 struct physdev_pci_device ppdev = {
                         .seg = pci_domain_nr(dev->bus),
                         .bus = dev->bus->number,
diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c
index 61786be9138b..ec097d6f964d 100644
--- a/drivers/xen/xenbus/xenbus_client.c
+++ b/drivers/xen/xenbus/xenbus_client.c
@@ -534,7 +534,7 @@ static int xenbus_map_ring_valloc_hvm(struct xenbus_device *dev,
 
         err = xenbus_map_ring(dev, gnt_ref, &node->handle, addr);
         if (err)
-                goto out_err;
+                goto out_err_free_ballooned_pages;
 
         spin_lock(&xenbus_valloc_lock);
         list_add(&node->next, &xenbus_valloc_pages);
@@ -543,8 +543,9 @@ static int xenbus_map_ring_valloc_hvm(struct xenbus_device *dev,
         *vaddr = addr;
         return 0;
 
- out_err:
+ out_err_free_ballooned_pages:
         free_xenballooned_pages(1, &node->page);
+ out_err:
         kfree(node);
         return err;
 }
diff --git a/drivers/xen/xenbus/xenbus_comms.h b/drivers/xen/xenbus/xenbus_comms.h
index c8abd3b8a6c4..e74f9c1fbd80 100644
--- a/drivers/xen/xenbus/xenbus_comms.h
+++ b/drivers/xen/xenbus/xenbus_comms.h
@@ -45,6 +45,7 @@ int xb_wait_for_data_to_read(void);
 int xs_input_avail(void);
 extern struct xenstore_domain_interface *xen_store_interface;
 extern int xen_store_evtchn;
+extern enum xenstore_init xen_store_domain_type;
 
 extern const struct file_operations xen_xenbus_fops;
 
diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c
index 3325884c693f..56cfaaa9d006 100644
--- a/drivers/xen/xenbus/xenbus_probe.c
+++ b/drivers/xen/xenbus/xenbus_probe.c
@@ -69,6 +69,9 @@ EXPORT_SYMBOL_GPL(xen_store_evtchn);
 struct xenstore_domain_interface *xen_store_interface;
 EXPORT_SYMBOL_GPL(xen_store_interface);
 
+enum xenstore_init xen_store_domain_type;
+EXPORT_SYMBOL_GPL(xen_store_domain_type);
+
 static unsigned long xen_store_mfn;
 
 static BLOCKING_NOTIFIER_HEAD(xenstore_chain);
@@ -719,17 +722,11 @@ static int __init xenstored_local_init(void)
         return err;
 }
 
-enum xenstore_init {
-        UNKNOWN,
-        PV,
-        HVM,
-        LOCAL,
-};
 static int __init xenbus_init(void)
 {
         int err = 0;
-        enum xenstore_init usage = UNKNOWN;
         uint64_t v = 0;
+        xen_store_domain_type = XS_UNKNOWN;
 
         if (!xen_domain())
                 return -ENODEV;
@@ -737,29 +734,29 @@ static int __init xenbus_init(void)
         xenbus_ring_ops_init();
 
         if (xen_pv_domain())
-                usage = PV;
+                xen_store_domain_type = XS_PV;
         if (xen_hvm_domain())
-                usage = HVM;
+                xen_store_domain_type = XS_HVM;
         if (xen_hvm_domain() && xen_initial_domain())
-                usage = LOCAL;
+                xen_store_domain_type = XS_LOCAL;
         if (xen_pv_domain() && !xen_start_info->store_evtchn)
-                usage = LOCAL;
+                xen_store_domain_type = XS_LOCAL;
         if (xen_pv_domain() && xen_start_info->store_evtchn)
                 xenstored_ready = 1;
 
-        switch (usage) {
-        case LOCAL:
+        switch (xen_store_domain_type) {
+        case XS_LOCAL:
                 err = xenstored_local_init();
                 if (err)
                         goto out_error;
                 xen_store_interface = mfn_to_virt(xen_store_mfn);
                 break;
-        case PV:
+        case XS_PV:
                 xen_store_evtchn = xen_start_info->store_evtchn;
                 xen_store_mfn = xen_start_info->store_mfn;
                 xen_store_interface = mfn_to_virt(xen_store_mfn);
                 break;
-        case HVM:
+        case XS_HVM:
                 err = hvm_get_parameter(HVM_PARAM_STORE_EVTCHN, &v);
                 if (err)
                         goto out_error;
diff --git a/drivers/xen/xenbus/xenbus_probe.h b/drivers/xen/xenbus/xenbus_probe.h
index bb4f92ed8730..146f857a36f8 100644
--- a/drivers/xen/xenbus/xenbus_probe.h
+++ b/drivers/xen/xenbus/xenbus_probe.h
@@ -47,6 +47,13 @@ struct xen_bus_type {
         struct bus_type bus;
 };
 
+enum xenstore_init {
+        XS_UNKNOWN,
+        XS_PV,
+        XS_HVM,
+        XS_LOCAL,
+};
+
 extern struct device_attribute xenbus_dev_attrs[];
 
 extern int xenbus_match(struct device *_dev, struct device_driver *_drv);
diff --git a/drivers/xen/xenbus/xenbus_probe_frontend.c b/drivers/xen/xenbus/xenbus_probe_frontend.c
index 3159a37d966d..a7e25073de19 100644
--- a/drivers/xen/xenbus/xenbus_probe_frontend.c
+++ b/drivers/xen/xenbus/xenbus_probe_frontend.c
@@ -29,6 +29,8 @@
 #include "xenbus_probe.h"
 
 
+static struct workqueue_struct *xenbus_frontend_wq;
+
 /* device/<type>/<id> => <type>-<id> */
 static int frontend_bus_id(char bus_id[XEN_BUS_ID_SIZE], const char *nodename)
 {
@@ -89,9 +91,40 @@ static void backend_changed(struct xenbus_watch *watch,
         xenbus_otherend_changed(watch, vec, len, 1);
 }
 
+static void xenbus_frontend_delayed_resume(struct work_struct *w)
+{
+        struct xenbus_device *xdev = container_of(w, struct xenbus_device, work);
+
+        xenbus_dev_resume(&xdev->dev);
+}
+
+static int xenbus_frontend_dev_resume(struct device *dev)
+{
+        /*
+         * If xenstored is running in this domain, we cannot access the backend
+         * state at the moment, so we need to defer xenbus_dev_resume
+         */
+        if (xen_store_domain_type == XS_LOCAL) {
+                struct xenbus_device *xdev = to_xenbus_device(dev);
+
+                if (!xenbus_frontend_wq) {
+                        pr_err("%s: no workqueue to process delayed resume\n",
+                               xdev->nodename);
+                        return -EFAULT;
+                }
+
+                INIT_WORK(&xdev->work, xenbus_frontend_delayed_resume);
+                queue_work(xenbus_frontend_wq, &xdev->work);
+
+                return 0;
+        }
+
+        return xenbus_dev_resume(dev);
+}
+
 static const struct dev_pm_ops xenbus_pm_ops = {
         .suspend        = xenbus_dev_suspend,
-        .resume         = xenbus_dev_resume,
+        .resume         = xenbus_frontend_dev_resume,
         .freeze         = xenbus_dev_suspend,
         .thaw           = xenbus_dev_cancel,
         .restore        = xenbus_dev_resume,
@@ -440,6 +473,8 @@ static int __init xenbus_probe_frontend_init(void)
 
         register_xenstore_notifier(&xenstore_notifier);
 
+        xenbus_frontend_wq = create_workqueue("xenbus_frontend");
+
         return 0;
 }
 subsys_initcall(xenbus_probe_frontend_init);