Merge branch 'at91/defconfig' into next/cleanup

188 files changed, 2235 insertions, 1539 deletions

diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c
index 127408069ca7..631b9477b99c 100644
--- a/drivers/acpi/apei/erst.c
+++ b/drivers/acpi/apei/erst.c
@@ -932,7 +932,8 @@ static int erst_check_table(struct acpi_table_erst *erst_tab)
 static int erst_open_pstore(struct pstore_info *psi);
 static int erst_close_pstore(struct pstore_info *psi);
 static ssize_t erst_reader(u64 *id, enum pstore_type_id *type,
-                           struct timespec *time, struct pstore_info *psi);
+                           struct timespec *time, char **buf,
+                           struct pstore_info *psi);
 static int erst_writer(enum pstore_type_id type, u64 *id, unsigned int part,
                        size_t size, struct pstore_info *psi);
 static int erst_clearer(enum pstore_type_id type, u64 id,
@@ -986,17 +987,23 @@ static int erst_close_pstore(struct pstore_info *psi)
 }
 
 static ssize_t erst_reader(u64 *id, enum pstore_type_id *type,
-                           struct timespec *time, struct pstore_info *psi)
+                           struct timespec *time, char **buf,
+                           struct pstore_info *psi)
 {
         int rc;
         ssize_t len = 0;
         u64 record_id;
-        struct cper_pstore_record *rcd = (struct cper_pstore_record *)
-                                        (erst_info.buf - sizeof(*rcd));
+        struct cper_pstore_record *rcd;
+        size_t rcd_len = sizeof(*rcd) + erst_info.bufsize;
 
         if (erst_disable)
                 return -ENODEV;
 
+        rcd = kmalloc(rcd_len, GFP_KERNEL);
+        if (!rcd) {
+                rc = -ENOMEM;
+                goto out;
+        }
 skip:
         rc = erst_get_record_id_next(&reader_pos, &record_id);
         if (rc)
@@ -1004,22 +1011,27 @@ skip:
 
         /* no more record */
         if (record_id == APEI_ERST_INVALID_RECORD_ID) {
-                rc = -1;
+                rc = -EINVAL;
                 goto out;
         }
 
-        len = erst_read(record_id, &rcd->hdr, sizeof(*rcd) +
-                        erst_info.bufsize);
+        len = erst_read(record_id, &rcd->hdr, rcd_len);
         /* The record may be cleared by others, try read next record */
         if (len == -ENOENT)
                 goto skip;
-        else if (len < 0) {
-                rc = -1;
+        else if (len < sizeof(*rcd)) {
+                rc = -EIO;
                 goto out;
         }
         if (uuid_le_cmp(rcd->hdr.creator_id, CPER_CREATOR_PSTORE) != 0)
                 goto skip;
 
+        *buf = kmalloc(len, GFP_KERNEL);
+        if (*buf == NULL) {
+                rc = -ENOMEM;
+                goto out;
+        }
+        memcpy(*buf, rcd->data, len - sizeof(*rcd));
         *id = record_id;
         if (uuid_le_cmp(rcd->sec_hdr.section_type,
                         CPER_SECTION_TYPE_DMESG) == 0)
@@ -1037,6 +1049,7 @@ skip:
         time->tv_nsec = 0;
 
 out:
+        kfree(rcd);
         return (rc < 0) ? rc : (len - sizeof(*rcd));
 }
 
diff --git a/drivers/base/core.c b/drivers/base/core.c
index d8b3d89db043..919daa7cd5b1 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1743,8 +1743,10 @@ void device_shutdown(void)
                  */
                 list_del_init(&dev->kobj.entry);
                 spin_unlock(&devices_kset->list_lock);
-                /* Disable all device's runtime power management */
-                pm_runtime_disable(dev);
+
+                /* Don't allow any more runtime suspends */
+                pm_runtime_get_noresume(dev);
+                pm_runtime_barrier(dev);
 
                 if (dev->bus && dev->bus->shutdown) {
                         dev_dbg(dev, "shutdown\n");
diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index 5c6f56f21443..dcd8babae9eb 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -343,11 +343,13 @@ static void mv_process_hash_current(int first_block)
                 else
                         op.config |= CFG_MID_FRAG;
 
-                writel(req_ctx->state[0], cpg->reg + DIGEST_INITIAL_VAL_A);
-                writel(req_ctx->state[1], cpg->reg + DIGEST_INITIAL_VAL_B);
-                writel(req_ctx->state[2], cpg->reg + DIGEST_INITIAL_VAL_C);
-                writel(req_ctx->state[3], cpg->reg + DIGEST_INITIAL_VAL_D);
-                writel(req_ctx->state[4], cpg->reg + DIGEST_INITIAL_VAL_E);
+                if (first_block) {
+                        writel(req_ctx->state[0], cpg->reg + DIGEST_INITIAL_VAL_A);
+                        writel(req_ctx->state[1], cpg->reg + DIGEST_INITIAL_VAL_B);
+                        writel(req_ctx->state[2], cpg->reg + DIGEST_INITIAL_VAL_C);
+                        writel(req_ctx->state[3], cpg->reg + DIGEST_INITIAL_VAL_D);
+                        writel(req_ctx->state[4], cpg->reg + DIGEST_INITIAL_VAL_E);
+                }
         }
 
         memcpy(cpg->sram + SRAM_CONFIG, &op, sizeof(struct sec_accel_config));
diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c
index 8af8e864a9cf..73464a62adf7 100644
--- a/drivers/edac/mpc85xx_edac.c
+++ b/drivers/edac/mpc85xx_edac.c
@@ -1128,7 +1128,7 @@ static struct of_device_id mpc85xx_mc_err_of_match[] = {
         { .compatible = "fsl,p1020-memory-controller", },
         { .compatible = "fsl,p1021-memory-controller", },
         { .compatible = "fsl,p2020-memory-controller", },
-        { .compatible = "fsl,p4080-memory-controller", },
+        { .compatible = "fsl,qoriq-memory-controller", },
         {},
 };
 MODULE_DEVICE_TABLE(of, mpc85xx_mc_err_of_match);
diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index 8370f72d87ff..b0a81173a268 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -457,7 +457,8 @@ static int efi_pstore_close(struct pstore_info *psi)
 }
 
 static ssize_t efi_pstore_read(u64 *id, enum pstore_type_id *type,
-                               struct timespec *timespec, struct pstore_info *psi)
+                               struct timespec *timespec,
+                               char **buf, struct pstore_info *psi)
 {
         efi_guid_t vendor = LINUX_EFI_CRASH_GUID;
         struct efivars *efivars = psi->data;
@@ -478,7 +479,11 @@ static ssize_t efi_pstore_read(u64 *id, enum pstore_type_id *type,
                                 timespec->tv_nsec = 0;
                                 get_var_data_locked(efivars, &efivars->walk_entry->var);
                                 size = efivars->walk_entry->var.DataSize;
-                                memcpy(psi->buf, efivars->walk_entry->var.Data, size);
+                                *buf = kmalloc(size, GFP_KERNEL);
+                                if (*buf == NULL)
+                                        return -ENOMEM;
+                                memcpy(*buf, efivars->walk_entry->var.Data,
+                                       size);
                                 efivars->walk_entry = list_entry(efivars->walk_entry->list.next,
                                                    struct efivar_entry, list);
                                 return size;
@@ -576,7 +581,8 @@ static int efi_pstore_close(struct pstore_info *psi)
 }
 
 static ssize_t efi_pstore_read(u64 *id, enum pstore_type_id *type,
-                               struct timespec *time, struct pstore_info *psi)
+                               struct timespec *timespec,
+                               char **buf, struct pstore_info *psi)
 {
         return -1;
 }
diff --git a/drivers/firmware/sigma.c b/drivers/firmware/sigma.c
index f10fc521951b..1eedb6f7fdab 100644
--- a/drivers/firmware/sigma.c
+++ b/drivers/firmware/sigma.c
@@ -14,13 +14,34 @@
 #include <linux/module.h>
 #include <linux/sigma.h>
 
-/* Return: 0==OK, <0==error, =1 ==no more actions */
+static size_t sigma_action_size(struct sigma_action *sa)
+{
+        size_t payload = 0;
+
+        switch (sa->instr) {
+        case SIGMA_ACTION_WRITEXBYTES:
+        case SIGMA_ACTION_WRITESINGLE:
+        case SIGMA_ACTION_WRITESAFELOAD:
+                payload = sigma_action_len(sa);
+                break;
+        default:
+                break;
+        }
+
+        payload = ALIGN(payload, 2);
+
+        return payload + sizeof(struct sigma_action);
+}
+
+/*
+ * Returns a negative error value in case of an error, 0 if processing of
+ * the firmware should be stopped after this action, 1 otherwise.
+ */
 static int
-process_sigma_action(struct i2c_client *client, struct sigma_firmware *ssfw)
+process_sigma_action(struct i2c_client *client, struct sigma_action *sa)
 {
-        struct sigma_action *sa = (void *)(ssfw->fw->data + ssfw->pos);
         size_t len = sigma_action_len(sa);
-        int ret = 0;
+        int ret;
 
         pr_debug("%s: instr:%i addr:%#x len:%zu\n", __func__,
                 sa->instr, sa->addr, len);
@@ -29,44 +50,50 @@ process_sigma_action(struct i2c_client *client, struct sigma_firmware *ssfw)
         case SIGMA_ACTION_WRITEXBYTES:
         case SIGMA_ACTION_WRITESINGLE:
         case SIGMA_ACTION_WRITESAFELOAD:
-                if (ssfw->fw->size < ssfw->pos + len)
-                        return -EINVAL;
                 ret = i2c_master_send(client, (void *)&sa->addr, len);
                 if (ret < 0)
                         return -EINVAL;
                 break;
-
         case SIGMA_ACTION_DELAY:
-                ret = 0;
                 udelay(len);
                 len = 0;
                 break;
-
         case SIGMA_ACTION_END:
-                return 1;
-
+                return 0;
         default:
                 return -EINVAL;
         }
 
-        /* when arrive here ret=0 or sent data */
-        ssfw->pos += sigma_action_size(sa, len);
-        return ssfw->pos == ssfw->fw->size;
+        return 1;
 }
 
 static int
 process_sigma_actions(struct i2c_client *client, struct sigma_firmware *ssfw)
 {
-        pr_debug("%s: processing %p\n", __func__, ssfw);
+        struct sigma_action *sa;
+        size_t size;
+        int ret;
+
+        while (ssfw->pos + sizeof(*sa) <= ssfw->fw->size) {
+                sa = (struct sigma_action *)(ssfw->fw->data + ssfw->pos);
+
+                size = sigma_action_size(sa);
+                ssfw->pos += size;
+                if (ssfw->pos > ssfw->fw->size || size == 0)
+                        break;
+
+                ret = process_sigma_action(client, sa);
 
-        while (1) {
-                int ret = process_sigma_action(client, ssfw);
                 pr_debug("%s: action returned %i\n", __func__, ret);
-                if (ret == 1)
-                        return 0;
-                else if (ret)
+
+                if (ret <= 0)
                         return ret;
         }
+
+        if (ssfw->pos != ssfw->fw->size)
+                return -EINVAL;
+
+        return 0;
 }
 
 int process_sigma_firmware(struct i2c_client *client, const char *name)
@@ -89,16 +116,24 @@ int process_sigma_firmware(struct i2c_client *client, const char *name)
 
         /* then verify the header */
         ret = -EINVAL;
-        if (fw->size < sizeof(*ssfw_head))
+
+        /*
+         * Reject too small or unreasonable large files. The upper limit has been
+         * chosen a bit arbitrarily, but it should be enough for all practical
+         * purposes and having the limit makes it easier to avoid integer
+         * overflows later in the loading process.
+         */
+        if (fw->size < sizeof(*ssfw_head) || fw->size >= 0x4000000)
                 goto done;
 
         ssfw_head = (void *)fw->data;
         if (memcmp(ssfw_head->magic, SIGMA_MAGIC, ARRAY_SIZE(ssfw_head->magic)))
                 goto done;
 
-        crc = crc32(0, fw->data, fw->size);
+        crc = crc32(0, fw->data + sizeof(*ssfw_head),
+                        fw->size - sizeof(*ssfw_head));
         pr_debug("%s: crc=%x\n", __func__, crc);
-        if (crc != ssfw_head->crc)
+        if (crc != le32_to_cpu(ssfw_head->crc))
                 goto done;
 
         ssfw.pos = sizeof(*ssfw_head);
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index dbcb0bcfd8da..4e018d6a7639 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -18,7 +18,7 @@ obj-$(CONFIG_ARCH_DAVINCI)	+= gpio-davinci.o
 obj-$(CONFIG_GPIO_EP93XX)       += gpio-ep93xx.o
 obj-$(CONFIG_GPIO_IT8761E)      += gpio-it8761e.o
 obj-$(CONFIG_GPIO_JANZ_TTL)     += gpio-janz-ttl.o
-obj-$(CONFIG_MACH_KS8695)       += gpio-ks8695.o
+obj-$(CONFIG_ARCH_KS8695)       += gpio-ks8695.o
 obj-$(CONFIG_GPIO_LANGWELL)     += gpio-langwell.o
 obj-$(CONFIG_ARCH_LPC32XX)      += gpio-lpc32xx.o
 obj-$(CONFIG_GPIO_MAX730X)      += gpio-max730x.o
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 147df8ae79db..d3f3e8f54561 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -546,7 +546,7 @@ static void pca953x_irq_teardown(struct pca953x_chip *chip)
  * Translate OpenFirmware node properties into platform_data
  * WARNING: This is DEPRECATED and will be removed eventually!
  */
-void
+static void
 pca953x_get_alt_pdata(struct i2c_client *client, int *gpio_base, int *invert)
 {
         struct device_node *node;
@@ -574,7 +574,7 @@ pca953x_get_alt_pdata(struct i2c_client *client, int *gpio_base, int *invert)
                 *invert = *val;
 }
 #else
-void
+static void
 pca953x_get_alt_pdata(struct i2c_client *client, int *gpio_base, int *invert)
 {
         *gpio_base = -1;
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 3969f7553fe7..d2619d72cece 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -456,6 +456,30 @@ done:
 EXPORT_SYMBOL(drm_crtc_helper_set_mode);
 
 
+static int
+drm_crtc_helper_disable(struct drm_crtc *crtc)
+{
+        struct drm_device *dev = crtc->dev;
+        struct drm_connector *connector;
+        struct drm_encoder *encoder;
+
+        /* Decouple all encoders and their attached connectors from this crtc */
+        list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+                if (encoder->crtc != crtc)
+                        continue;
+
+                list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+                        if (connector->encoder != encoder)
+                                continue;
+
+                        connector->encoder = NULL;
+                }
+        }
+
+        drm_helper_disable_unused_functions(dev);
+        return 0;
+}
+
 /**
  * drm_crtc_helper_set_config - set a new config from userspace
  * @crtc: CRTC to setup
@@ -510,8 +534,7 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
                                 (int)set->num_connectors, set->x, set->y);
         } else {
                 DRM_DEBUG_KMS("[CRTC:%d] [NOFB]\n", set->crtc->base.id);
-                set->mode = NULL;
-                set->num_connectors = 0;
+                return drm_crtc_helper_disable(set->crtc);
         }
 
         dev = set->crtc->dev;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_buf.c b/drivers/gpu/drm/exynos/exynos_drm_buf.c
index 6f8afea94fc9..2bb07bca511a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_buf.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_buf.c
@@ -27,82 +27,84 @@
 #include "drm.h"
 
 #include "exynos_drm_drv.h"
+#include "exynos_drm_gem.h"
 #include "exynos_drm_buf.h"
 
-static DEFINE_MUTEX(exynos_drm_buf_lock);
-
 static int lowlevel_buffer_allocate(struct drm_device *dev,
-                struct exynos_drm_buf_entry *entry)
+                struct exynos_drm_gem_buf *buffer)
 {
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
-        entry->vaddr = dma_alloc_writecombine(dev->dev, entry->size,
-                        (dma_addr_t *)&entry->paddr, GFP_KERNEL);
-        if (!entry->paddr) {
+        buffer->kvaddr = dma_alloc_writecombine(dev->dev, buffer->size,
+                        &buffer->dma_addr, GFP_KERNEL);
+        if (!buffer->kvaddr) {
                 DRM_ERROR("failed to allocate buffer.\n");
                 return -ENOMEM;
         }
 
-        DRM_DEBUG_KMS("allocated : vaddr(0x%x), paddr(0x%x), size(0x%x)\n",
-                        (unsigned int)entry->vaddr, entry->paddr, entry->size);
+        DRM_DEBUG_KMS("vaddr(0x%lx), dma_addr(0x%lx), size(0x%lx)\n",
+                        (unsigned long)buffer->kvaddr,
+                        (unsigned long)buffer->dma_addr,
+                        buffer->size);
 
         return 0;
 }
 
 static void lowlevel_buffer_deallocate(struct drm_device *dev,
-                struct exynos_drm_buf_entry *entry)
+                struct exynos_drm_gem_buf *buffer)
 {
         DRM_DEBUG_KMS("%s.\n", __FILE__);
 
-        if (entry->paddr && entry->vaddr && entry->size)
-                dma_free_writecombine(dev->dev, entry->size, entry->vaddr,
-                                entry->paddr);
+        if (buffer->dma_addr && buffer->size)
+                dma_free_writecombine(dev->dev, buffer->size, buffer->kvaddr,
+                                (dma_addr_t)buffer->dma_addr);
         else
-                DRM_DEBUG_KMS("entry data is null.\n");
+                DRM_DEBUG_KMS("buffer data are invalid.\n");
 }
 
-struct exynos_drm_buf_entry *exynos_drm_buf_create(struct drm_device *dev,
+struct exynos_drm_gem_buf *exynos_drm_buf_create(struct drm_device *dev,
                 unsigned int size)
 {
-        struct exynos_drm_buf_entry *entry;
+        struct exynos_drm_gem_buf *buffer;
 
         DRM_DEBUG_KMS("%s.\n", __FILE__);
+        DRM_DEBUG_KMS("desired size = 0x%x\n", size);
 
-        entry = kzalloc(sizeof(*entry), GFP_KERNEL);
-        if (!entry) {
-                DRM_ERROR("failed to allocate exynos_drm_buf_entry.\n");
+        buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
+        if (!buffer) {
+                DRM_ERROR("failed to allocate exynos_drm_gem_buf.\n");
                 return ERR_PTR(-ENOMEM);
         }
 
-        entry->size = size;
+        buffer->size = size;
 
         /*
          * allocate memory region with size and set the memory information
-         * to vaddr and paddr of a entry object.
+         * to vaddr and dma_addr of a buffer object.
          */
-        if (lowlevel_buffer_allocate(dev, entry) < 0) {
-                kfree(entry);
-                entry = NULL;
+        if (lowlevel_buffer_allocate(dev, buffer) < 0) {
+                kfree(buffer);
+                buffer = NULL;
                 return ERR_PTR(-ENOMEM);
         }
 
-        return entry;
+        return buffer;
 }
 
 void exynos_drm_buf_destroy(struct drm_device *dev,
-                struct exynos_drm_buf_entry *entry)
+                struct exynos_drm_gem_buf *buffer)
 {
         DRM_DEBUG_KMS("%s.\n", __FILE__);
 
-        if (!entry) {
-                DRM_DEBUG_KMS("entry is null.\n");
+        if (!buffer) {
+                DRM_DEBUG_KMS("buffer is null.\n");
                 return;
         }
 
-        lowlevel_buffer_deallocate(dev, entry);
+        lowlevel_buffer_deallocate(dev, buffer);
 
-        kfree(entry);
-        entry = NULL;
+        kfree(buffer);
+        buffer = NULL;
 }
 
 MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
diff --git a/drivers/gpu/drm/exynos/exynos_drm_buf.h b/drivers/gpu/drm/exynos/exynos_drm_buf.h
index 045d59eab01a..6e91f9caa5db 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_buf.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_buf.h
@@ -26,28 +26,15 @@
 #ifndef _EXYNOS_DRM_BUF_H_
 #define _EXYNOS_DRM_BUF_H_
 
-/*
- * exynos drm buffer entry structure.
- *
- * @paddr: physical address of allocated memory.
- * @vaddr: kernel virtual address of allocated memory.
- * @size: size of allocated memory.
- */
-struct exynos_drm_buf_entry {
-        dma_addr_t paddr;
-        void __iomem *vaddr;
-        unsigned int size;
-};
-
 /* allocate physical memory. */
-struct exynos_drm_buf_entry *exynos_drm_buf_create(struct drm_device *dev,
+struct exynos_drm_gem_buf *exynos_drm_buf_create(struct drm_device *dev,
                 unsigned int size);
 
-/* get physical memory information of a drm framebuffer. */
-struct exynos_drm_buf_entry *exynos_drm_fb_get_buf(struct drm_framebuffer *fb);
+/* get memory information of a drm framebuffer. */
+struct exynos_drm_gem_buf *exynos_drm_fb_get_buf(struct drm_framebuffer *fb);
 
 /* remove allocated physical memory. */
 void exynos_drm_buf_destroy(struct drm_device *dev,
-                struct exynos_drm_buf_entry *entry);
+                struct exynos_drm_gem_buf *buffer);
 
 #endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c
index 985d9e768728..d620b0784257 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_connector.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c
@@ -37,6 +37,8 @@
 
 struct exynos_drm_connector {
         struct drm_connector    drm_connector;
+        uint32_t                encoder_id;
+        struct exynos_drm_manager *manager;
 };
 
 /* convert exynos_video_timings to drm_display_mode */
@@ -47,6 +49,7 @@ convert_to_display_mode(struct drm_display_mode *mode,
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
         mode->clock = timing->pixclock / 1000;
+        mode->vrefresh = timing->refresh;
 
         mode->hdisplay = timing->xres;
         mode->hsync_start = mode->hdisplay + timing->left_margin;
@@ -57,6 +60,12 @@ convert_to_display_mode(struct drm_display_mode *mode,
         mode->vsync_start = mode->vdisplay + timing->upper_margin;
         mode->vsync_end = mode->vsync_start + timing->vsync_len;
         mode->vtotal = mode->vsync_end + timing->lower_margin;
+
+        if (timing->vmode & FB_VMODE_INTERLACED)
+                mode->flags |= DRM_MODE_FLAG_INTERLACE;
+
+        if (timing->vmode & FB_VMODE_DOUBLE)
+                mode->flags |= DRM_MODE_FLAG_DBLSCAN;
 }
 
 /* convert drm_display_mode to exynos_video_timings */
@@ -69,7 +78,7 @@ convert_to_video_timing(struct fb_videomode *timing,
         memset(timing, 0, sizeof(*timing));
 
         timing->pixclock = mode->clock * 1000;
-        timing->refresh = mode->vrefresh;
+        timing->refresh = drm_mode_vrefresh(mode);
 
         timing->xres = mode->hdisplay;
         timing->left_margin = mode->hsync_start - mode->hdisplay;
@@ -92,15 +101,16 @@ convert_to_video_timing(struct fb_videomode *timing,
 
 static int exynos_drm_connector_get_modes(struct drm_connector *connector)
 {
-        struct exynos_drm_manager *manager =
-                                exynos_drm_get_manager(connector->encoder);
-        struct exynos_drm_display *display = manager->display;
+        struct exynos_drm_connector *exynos_connector =
+                                        to_exynos_connector(connector);
+        struct exynos_drm_manager *manager = exynos_connector->manager;
+        struct exynos_drm_display_ops *display_ops = manager->display_ops;
         unsigned int count;
 
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
-        if (!display) {
-                DRM_DEBUG_KMS("display is null.\n");
+        if (!display_ops) {
+                DRM_DEBUG_KMS("display_ops is null.\n");
                 return 0;
         }
 
@@ -112,7 +122,7 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
          * P.S. in case of lcd panel, count is always 1 if success
          * because lcd panel has only one mode.
          */
-        if (display->get_edid) {
+        if (display_ops->get_edid) {
                 int ret;
                 void *edid;
 
@@ -122,7 +132,7 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
                         return 0;
                 }
 
-                ret = display->get_edid(manager->dev, connector,
+                ret = display_ops->get_edid(manager->dev, connector,
                                                 edid, MAX_EDID);
                 if (ret < 0) {
                         DRM_ERROR("failed to get edid data.\n");
@@ -140,8 +150,8 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
                 struct drm_display_mode *mode = drm_mode_create(connector->dev);
                 struct fb_videomode *timing;
 
-                if (display->get_timing)
-                        timing = display->get_timing(manager->dev);
+                if (display_ops->get_timing)
+                        timing = display_ops->get_timing(manager->dev);
                 else {
                         drm_mode_destroy(connector->dev, mode);
                         return 0;
@@ -162,9 +172,10 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
 static int exynos_drm_connector_mode_valid(struct drm_connector *connector,
                                             struct drm_display_mode *mode)
 {
-        struct exynos_drm_manager *manager =
-                                exynos_drm_get_manager(connector->encoder);
-        struct exynos_drm_display *display = manager->display;
+        struct exynos_drm_connector *exynos_connector =
+                                        to_exynos_connector(connector);
+        struct exynos_drm_manager *manager = exynos_connector->manager;
+        struct exynos_drm_display_ops *display_ops = manager->display_ops;
         struct fb_videomode timing;
         int ret = MODE_BAD;
 
@@ -172,8 +183,8 @@ static int exynos_drm_connector_mode_valid(struct drm_connector *connector,
 
         convert_to_video_timing(&timing, mode);
 
-        if (display && display->check_timing)
-                if (!display->check_timing(manager->dev, (void *)&timing))
+        if (display_ops && display_ops->check_timing)
+                if (!display_ops->check_timing(manager->dev, (void *)&timing))
                         ret = MODE_OK;
 
         return ret;
@@ -181,9 +192,25 @@ static int exynos_drm_connector_mode_valid(struct drm_connector *connector,
 
 struct drm_encoder *exynos_drm_best_encoder(struct drm_connector *connector)
 {
+        struct drm_device *dev = connector->dev;
+        struct exynos_drm_connector *exynos_connector =
+                                        to_exynos_connector(connector);
+        struct drm_mode_object *obj;
+        struct drm_encoder *encoder;
+
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
-        return connector->encoder;
+        obj = drm_mode_object_find(dev, exynos_connector->encoder_id,
+                                   DRM_MODE_OBJECT_ENCODER);
+        if (!obj) {
+                DRM_DEBUG_KMS("Unknown ENCODER ID %d\n",
+                                exynos_connector->encoder_id);
+                return NULL;
+        }
+
+        encoder = obj_to_encoder(obj);
+
+        return encoder;
 }
 
 static struct drm_connector_helper_funcs exynos_connector_helper_funcs = {
@@ -196,15 +223,17 @@ static struct drm_connector_helper_funcs exynos_connector_helper_funcs = {
 static enum drm_connector_status
 exynos_drm_connector_detect(struct drm_connector *connector, bool force)
 {
-        struct exynos_drm_manager *manager =
-                                exynos_drm_get_manager(connector->encoder);
-        struct exynos_drm_display *display = manager->display;
+        struct exynos_drm_connector *exynos_connector =
+                                        to_exynos_connector(connector);
+        struct exynos_drm_manager *manager = exynos_connector->manager;
+        struct exynos_drm_display_ops *display_ops =
+                                        manager->display_ops;
         enum drm_connector_status status = connector_status_disconnected;
 
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
-        if (display && display->is_connected) {
-                if (display->is_connected(manager->dev))
+        if (display_ops && display_ops->is_connected) {
+                if (display_ops->is_connected(manager->dev))
                         status = connector_status_connected;
                 else
                         status = connector_status_disconnected;
@@ -251,9 +280,11 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev,
 
         connector = &exynos_connector->drm_connector;
 
-        switch (manager->display->type) {
+        switch (manager->display_ops->type) {
         case EXYNOS_DISPLAY_TYPE_HDMI:
                 type = DRM_MODE_CONNECTOR_HDMIA;
+                connector->interlace_allowed = true;
+                connector->polled = DRM_CONNECTOR_POLL_HPD;
                 break;
         default:
                 type = DRM_MODE_CONNECTOR_Unknown;
@@ -267,7 +298,10 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev,
         if (err)
                 goto err_connector;
 
+        exynos_connector->encoder_id = encoder->base.id;
+        exynos_connector->manager = manager;
         connector->encoder = encoder;
+
         err = drm_mode_connector_attach_encoder(connector, encoder);
         if (err) {
                 DRM_ERROR("failed to attach a connector to a encoder\n");
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index 9337e5e2dbb6..ee43cc220853 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -29,36 +29,17 @@
 #include "drmP.h"
 #include "drm_crtc_helper.h"
 
+#include "exynos_drm_crtc.h"
 #include "exynos_drm_drv.h"
 #include "exynos_drm_fb.h"
 #include "exynos_drm_encoder.h"
+#include "exynos_drm_gem.h"
 #include "exynos_drm_buf.h"
 
 #define to_exynos_crtc(x)       container_of(x, struct exynos_drm_crtc,\
                                 drm_crtc)
 
 /*
- * Exynos specific crtc postion structure.
- *
- * @fb_x: offset x on a framebuffer to be displyed
- *      - the unit is screen coordinates.
- * @fb_y: offset y on a framebuffer to be displayed
- *      - the unit is screen coordinates.
- * @crtc_x: offset x on hardware screen.
- * @crtc_y: offset y on hardware screen.
- * @crtc_w: width of hardware screen.
- * @crtc_h: height of hardware screen.
- */
-struct exynos_drm_crtc_pos {
-        unsigned int fb_x;
-        unsigned int fb_y;
-        unsigned int crtc_x;
-        unsigned int crtc_y;
-        unsigned int crtc_w;
-        unsigned int crtc_h;
-};
-
-/*
  * Exynos specific crtc structure.
  *
  * @drm_crtc: crtc object.
@@ -85,30 +66,31 @@ static void exynos_drm_crtc_apply(struct drm_crtc *crtc)
 
         exynos_drm_fn_encoder(crtc, overlay,
                         exynos_drm_encoder_crtc_mode_set);
-        exynos_drm_fn_encoder(crtc, NULL, exynos_drm_encoder_crtc_commit);
+        exynos_drm_fn_encoder(crtc, &exynos_crtc->pipe,
+                        exynos_drm_encoder_crtc_commit);
 }
 
-static int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay,
-                                       struct drm_framebuffer *fb,
-                                       struct drm_display_mode *mode,
-                                       struct exynos_drm_crtc_pos *pos)
+int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay,
+                              struct drm_framebuffer *fb,
+                              struct drm_display_mode *mode,
+                              struct exynos_drm_crtc_pos *pos)
 {
-        struct exynos_drm_buf_entry *entry;
+        struct exynos_drm_gem_buf *buffer;
         unsigned int actual_w;
         unsigned int actual_h;
 
-        entry = exynos_drm_fb_get_buf(fb);
-        if (!entry) {
-                DRM_LOG_KMS("entry is null.\n");
+        buffer = exynos_drm_fb_get_buf(fb);
+        if (!buffer) {
+                DRM_LOG_KMS("buffer is null.\n");
                 return -EFAULT;
         }
 
-        overlay->paddr = entry->paddr;
-        overlay->vaddr = entry->vaddr;
+        overlay->dma_addr = buffer->dma_addr;
+        overlay->vaddr = buffer->kvaddr;
 
-        DRM_DEBUG_KMS("vaddr = 0x%lx, paddr = 0x%lx\n",
+        DRM_DEBUG_KMS("vaddr = 0x%lx, dma_addr = 0x%lx\n",
                         (unsigned long)overlay->vaddr,
-                        (unsigned long)overlay->paddr);
+                        (unsigned long)overlay->dma_addr);
 
         actual_w = min((mode->hdisplay - pos->crtc_x), pos->crtc_w);
         actual_h = min((mode->vdisplay - pos->crtc_y), pos->crtc_h);
@@ -171,9 +153,26 @@ static int exynos_drm_crtc_update(struct drm_crtc *crtc)
 
 static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode)
 {
-        DRM_DEBUG_KMS("%s\n", __FILE__);
+        struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
 
-        /* TODO */
+        DRM_DEBUG_KMS("crtc[%d] mode[%d]\n", crtc->base.id, mode);
+
+        switch (mode) {
+        case DRM_MODE_DPMS_ON:
+                exynos_drm_fn_encoder(crtc, &exynos_crtc->pipe,
+                                exynos_drm_encoder_crtc_commit);
+                break;
+        case DRM_MODE_DPMS_STANDBY:
+        case DRM_MODE_DPMS_SUSPEND:
+        case DRM_MODE_DPMS_OFF:
+                /* TODO */
+                exynos_drm_fn_encoder(crtc, NULL,
+                                exynos_drm_encoder_crtc_disable);
+                break;
+        default:
+                DRM_DEBUG_KMS("unspecified mode %d\n", mode);
+                break;
+        }
 }
 
 static void exynos_drm_crtc_prepare(struct drm_crtc *crtc)
@@ -185,9 +184,12 @@ static void exynos_drm_crtc_prepare(struct drm_crtc *crtc)
 
 static void exynos_drm_crtc_commit(struct drm_crtc *crtc)
 {
+        struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
+
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
-        /* drm framework doesn't check NULL. */
+        exynos_drm_fn_encoder(crtc, &exynos_crtc->pipe,
+                        exynos_drm_encoder_crtc_commit);
 }
 
 static bool
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.h b/drivers/gpu/drm/exynos/exynos_drm_crtc.h
index c584042d6d2c..25f72a62cb88 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.h
@@ -35,4 +35,29 @@ int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr);
 int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int crtc);
 void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int crtc);
 
+/*
+ * Exynos specific crtc postion structure.
+ *
+ * @fb_x: offset x on a framebuffer to be displyed
+ *      - the unit is screen coordinates.
+ * @fb_y: offset y on a framebuffer to be displayed
+ *      - the unit is screen coordinates.
+ * @crtc_x: offset x on hardware screen.
+ * @crtc_y: offset y on hardware screen.
+ * @crtc_w: width of hardware screen.
+ * @crtc_h: height of hardware screen.
+ */
+struct exynos_drm_crtc_pos {
+        unsigned int fb_x;
+        unsigned int fb_y;
+        unsigned int crtc_x;
+        unsigned int crtc_y;
+        unsigned int crtc_w;
+        unsigned int crtc_h;
+};
+
+int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay,
+                              struct drm_framebuffer *fb,
+                              struct drm_display_mode *mode,
+                              struct exynos_drm_crtc_pos *pos);
 #endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 83810cbe3c17..53e2216de61d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -27,6 +27,7 @@
 
 #include "drmP.h"
 #include "drm.h"
+#include "drm_crtc_helper.h"
 
 #include <drm/exynos_drm.h>
 
@@ -61,6 +62,9 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
 
         drm_mode_config_init(dev);
 
+        /* init kms poll for handling hpd */
+        drm_kms_helper_poll_init(dev);
+
         exynos_drm_mode_config_init(dev);
 
         /*
@@ -116,6 +120,7 @@ static int exynos_drm_unload(struct drm_device *dev)
         exynos_drm_fbdev_fini(dev);
         exynos_drm_device_unregister(dev);
         drm_vblank_cleanup(dev);
+        drm_kms_helper_poll_fini(dev);
         drm_mode_config_cleanup(dev);
         kfree(dev->dev_private);
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index c03683f2ae72..5e02e6ecc2e0 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -29,6 +29,7 @@
 #ifndef _EXYNOS_DRM_DRV_H_
 #define _EXYNOS_DRM_DRV_H_
 
+#include <linux/module.h>
 #include "drm.h"
 
 #define MAX_CRTC        2
@@ -79,8 +80,8 @@ struct exynos_drm_overlay_ops {
  * @scan_flag: interlace or progressive way.
  *      (it could be DRM_MODE_FLAG_*)
  * @bpp: pixel size.(in bit)
- * @paddr: bus(accessed by dma) physical memory address to this overlay
- *              and this is physically continuous.
+ * @dma_addr: bus(accessed by dma) address to the memory region allocated
+ *      for a overlay.
  * @vaddr: virtual memory addresss to this overlay.
  * @default_win: a window to be enabled.
  * @color_key: color key on or off.
@@ -108,7 +109,7 @@ struct exynos_drm_overlay {
         unsigned int scan_flag;
         unsigned int bpp;
         unsigned int pitch;
-        dma_addr_t paddr;
+        dma_addr_t dma_addr;
         void __iomem *vaddr;
 
         bool default_win;
@@ -130,7 +131,7 @@ struct exynos_drm_overlay {
  * @check_timing: check if timing is valid or not.
  * @power_on: display device on or off.
  */
-struct exynos_drm_display {
+struct exynos_drm_display_ops {
         enum exynos_drm_output_type type;
         bool (*is_connected)(struct device *dev);
         int (*get_edid)(struct device *dev, struct drm_connector *connector,
@@ -146,12 +147,14 @@ struct exynos_drm_display {
  * @mode_set: convert drm_display_mode to hw specific display mode and
  *            would be called by encoder->mode_set().
  * @commit: set current hw specific display mode to hw.
+ * @disable: disable hardware specific display mode.
  * @enable_vblank: specific driver callback for enabling vblank interrupt.
  * @disable_vblank: specific driver callback for disabling vblank interrupt.
  */
 struct exynos_drm_manager_ops {
         void (*mode_set)(struct device *subdrv_dev, void *mode);
         void (*commit)(struct device *subdrv_dev);
+        void (*disable)(struct device *subdrv_dev);
         int (*enable_vblank)(struct device *subdrv_dev);
         void (*disable_vblank)(struct device *subdrv_dev);
 };
@@ -178,7 +181,7 @@ struct exynos_drm_manager {
         int pipe;
         struct exynos_drm_manager_ops *ops;
         struct exynos_drm_overlay_ops *overlay_ops;
-        struct exynos_drm_display *display;
+        struct exynos_drm_display_ops *display_ops;
 };
 
 /*
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index 7cf6fa86a67e..153061415baf 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -53,15 +53,36 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
         struct drm_device *dev = encoder->dev;
         struct drm_connector *connector;
         struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
+        struct exynos_drm_manager_ops *manager_ops = manager->ops;
 
         DRM_DEBUG_KMS("%s, encoder dpms: %d\n", __FILE__, mode);
 
+        switch (mode) {
+        case DRM_MODE_DPMS_ON:
+                if (manager_ops && manager_ops->commit)
+                        manager_ops->commit(manager->dev);
+                break;
+        case DRM_MODE_DPMS_STANDBY:
+        case DRM_MODE_DPMS_SUSPEND:
+        case DRM_MODE_DPMS_OFF:
+                /* TODO */
+                if (manager_ops && manager_ops->disable)
+                        manager_ops->disable(manager->dev);
+                break;
+        default:
+                DRM_ERROR("unspecified mode %d\n", mode);
+                break;
+        }
+
         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
                 if (connector->encoder == encoder) {
-                        struct exynos_drm_display *display = manager->display;
+                        struct exynos_drm_display_ops *display_ops =
+                                                        manager->display_ops;
 
-                        if (display && display->power_on)
-                                display->power_on(manager->dev, mode);
+                        DRM_DEBUG_KMS("connector[%d] dpms[%d]\n",
+                                        connector->base.id, mode);
+                        if (display_ops && display_ops->power_on)
+                                display_ops->power_on(manager->dev, mode);
                 }
         }
 }
@@ -116,15 +137,11 @@ static void exynos_drm_encoder_commit(struct drm_encoder *encoder)
 {
         struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
         struct exynos_drm_manager_ops *manager_ops = manager->ops;
-        struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
 
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
         if (manager_ops && manager_ops->commit)
                 manager_ops->commit(manager->dev);
-
-        if (overlay_ops && overlay_ops->commit)
-                overlay_ops->commit(manager->dev);
 }
 
 static struct drm_crtc *
@@ -208,10 +225,23 @@ void exynos_drm_fn_encoder(struct drm_crtc *crtc, void *data,
 {
         struct drm_device *dev = crtc->dev;
         struct drm_encoder *encoder;
+        struct exynos_drm_private *private = dev->dev_private;
+        struct exynos_drm_manager *manager;
 
         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
-                if (encoder->crtc != crtc)
-                        continue;
+                /*
+                 * if crtc is detached from encoder, check pipe,
+                 * otherwise check crtc attached to encoder
+                 */
+                if (!encoder->crtc) {
+                        manager = to_exynos_encoder(encoder)->manager;
+                        if (manager->pipe < 0 ||
+                                        private->crtc[manager->pipe] != crtc)
+                                continue;
+                } else {
+                        if (encoder->crtc != crtc)
+                                continue;
+                }
 
                 fn(encoder, data);
         }
@@ -250,8 +280,18 @@ void exynos_drm_encoder_crtc_commit(struct drm_encoder *encoder, void *data)
         struct exynos_drm_manager *manager =
                 to_exynos_encoder(encoder)->manager;
         struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
+        int crtc = *(int *)data;
+
+        DRM_DEBUG_KMS("%s\n", __FILE__);
+
+        /*
+         * when crtc is detached from encoder, this pipe is used
+         * to select manager operation
+         */
+        manager->pipe = crtc;
 
-        overlay_ops->commit(manager->dev);
+        if (overlay_ops && overlay_ops->commit)
+                overlay_ops->commit(manager->dev);
 }
 
 void exynos_drm_encoder_crtc_mode_set(struct drm_encoder *encoder, void *data)
@@ -261,7 +301,28 @@ void exynos_drm_encoder_crtc_mode_set(struct drm_encoder *encoder, void *data)
         struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
         struct exynos_drm_overlay *overlay = data;
 
-        overlay_ops->mode_set(manager->dev, overlay);
+        if (overlay_ops && overlay_ops->mode_set)
+                overlay_ops->mode_set(manager->dev, overlay);
+}
+
+void exynos_drm_encoder_crtc_disable(struct drm_encoder *encoder, void *data)
+{
+        struct exynos_drm_manager *manager =
+                to_exynos_encoder(encoder)->manager;
+        struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
+
+        DRM_DEBUG_KMS("\n");
+
+        if (overlay_ops && overlay_ops->disable)
+                overlay_ops->disable(manager->dev);
+
+        /*
+         * crtc is already detached from encoder and last
+         * function for detaching is properly done, so
+         * clear pipe from manager to prevent repeated call
+         */
+        if (!encoder->crtc)
+                manager->pipe = -1;
 }
 
 MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.h b/drivers/gpu/drm/exynos/exynos_drm_encoder.h
index 5ecd645d06a9..a22acfbf0e4e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.h
@@ -41,5 +41,6 @@ void exynos_drm_enable_vblank(struct drm_encoder *encoder, void *data);
 void exynos_drm_disable_vblank(struct drm_encoder *encoder, void *data);
 void exynos_drm_encoder_crtc_commit(struct drm_encoder *encoder, void *data);
 void exynos_drm_encoder_crtc_mode_set(struct drm_encoder *encoder, void *data);
+void exynos_drm_encoder_crtc_disable(struct drm_encoder *encoder, void *data);
 
 #endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c
index 48d29cfd5240..5bf4a1ac7f82 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fb.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c
@@ -29,7 +29,9 @@
 #include "drmP.h"
 #include "drm_crtc.h"
 #include "drm_crtc_helper.h"
+#include "drm_fb_helper.h"
 
+#include "exynos_drm_drv.h"
 #include "exynos_drm_fb.h"
 #include "exynos_drm_buf.h"
 #include "exynos_drm_gem.h"
@@ -41,14 +43,14 @@
  *
  * @fb: drm framebuffer obejct.
  * @exynos_gem_obj: exynos specific gem object containing a gem object.
- * @entry: pointer to exynos drm buffer entry object.
- *      - containing only the information to physically continuous memory
- *      region allocated at default framebuffer creation.
+ * @buffer: pointer to exynos_drm_gem_buffer object.
+ *      - contain the memory information to memory region allocated
+ *      at default framebuffer creation.
  */
 struct exynos_drm_fb {
         struct drm_framebuffer          fb;
         struct exynos_drm_gem_obj       *exynos_gem_obj;
-        struct exynos_drm_buf_entry     *entry;
+        struct exynos_drm_gem_buf       *buffer;
 };
 
 static void exynos_drm_fb_destroy(struct drm_framebuffer *fb)
@@ -63,8 +65,8 @@ static void exynos_drm_fb_destroy(struct drm_framebuffer *fb)
          * default framebuffer has no gem object so
          * a buffer of the default framebuffer should be released at here.
          */
-        if (!exynos_fb->exynos_gem_obj && exynos_fb->entry)
-                exynos_drm_buf_destroy(fb->dev, exynos_fb->entry);
+        if (!exynos_fb->exynos_gem_obj && exynos_fb->buffer)
+                exynos_drm_buf_destroy(fb->dev, exynos_fb->buffer);
 
         kfree(exynos_fb);
         exynos_fb = NULL;
@@ -143,29 +145,29 @@ exynos_drm_fb_init(struct drm_file *file_priv, struct drm_device *dev,
          */
         if (!mode_cmd->handle) {
                 if (!file_priv) {
-                        struct exynos_drm_buf_entry *entry;
+                        struct exynos_drm_gem_buf *buffer;
 
                         /*
                          * in case that file_priv is NULL, it allocates
                          * only buffer and this buffer would be used
                          * for default framebuffer.
                          */
-                        entry = exynos_drm_buf_create(dev, size);
-                        if (IS_ERR(entry)) {
-                                ret = PTR_ERR(entry);
+                        buffer = exynos_drm_buf_create(dev, size);
+                        if (IS_ERR(buffer)) {
+                                ret = PTR_ERR(buffer);
                                 goto err_buffer;
                         }
 
-                        exynos_fb->entry = entry;
+                        exynos_fb->buffer = buffer;
 
-                        DRM_LOG_KMS("default fb: paddr = 0x%lx, size = 0x%x\n",
-                                        (unsigned long)entry->paddr, size);
+                        DRM_LOG_KMS("default: dma_addr = 0x%lx, size = 0x%x\n",
+                                        (unsigned long)buffer->dma_addr, size);
 
                         goto out;
                 } else {
-                        exynos_gem_obj = exynos_drm_gem_create(file_priv, dev,
-                                                        size,
-                                                        &mode_cmd->handle);
+                        exynos_gem_obj = exynos_drm_gem_create(dev, file_priv,
+                                                        &mode_cmd->handle,
+                                                        size);
                         if (IS_ERR(exynos_gem_obj)) {
                                 ret = PTR_ERR(exynos_gem_obj);
                                 goto err_buffer;
@@ -189,10 +191,10 @@ exynos_drm_fb_init(struct drm_file *file_priv, struct drm_device *dev,
          * so that default framebuffer has no its own gem object,
          * only its own buffer object.
          */
-        exynos_fb->entry = exynos_gem_obj->entry;
+        exynos_fb->buffer = exynos_gem_obj->buffer;
 
-        DRM_LOG_KMS("paddr = 0x%lx, size = 0x%x, gem object = 0x%x\n",
-                        (unsigned long)exynos_fb->entry->paddr, size,
+        DRM_LOG_KMS("dma_addr = 0x%lx, size = 0x%x, gem object = 0x%x\n",
+                        (unsigned long)exynos_fb->buffer->dma_addr, size,
                         (unsigned int)&exynos_gem_obj->base);
 
 out:
@@ -220,26 +222,36 @@ struct drm_framebuffer *exynos_drm_fb_create(struct drm_device *dev,
         return exynos_drm_fb_init(file_priv, dev, mode_cmd);
 }
 
-struct exynos_drm_buf_entry *exynos_drm_fb_get_buf(struct drm_framebuffer *fb)
+struct exynos_drm_gem_buf *exynos_drm_fb_get_buf(struct drm_framebuffer *fb)
 {
         struct exynos_drm_fb *exynos_fb = to_exynos_fb(fb);
-        struct exynos_drm_buf_entry *entry;
+        struct exynos_drm_gem_buf *buffer;
 
         DRM_DEBUG_KMS("%s\n", __FILE__);
 
-        entry = exynos_fb->entry;
-        if (!entry)
+        buffer = exynos_fb->buffer;
+        if (!buffer)
                 return NULL;
 
-        DRM_DEBUG_KMS("vaddr = 0x%lx, paddr = 0x%lx\n",
-                        (unsigned long)entry->vaddr,
-                        (unsigned long)entry->paddr);
+        DRM_DEBUG_KMS("vaddr = 0x%lx, dma_addr = 0x%lx\n",
+                        (unsigned long)buffer->kvaddr,
+                        (unsigned long)buffer->dma_addr);
 
-        return entry;
+        return buffer;
+}
+
+static void exynos_drm_output_poll_changed(struct drm_device *dev)
+{
+        struct exynos_drm_private *private = dev->dev_private;
+        struct drm_fb_helper *fb_helper = private->fb_helper;
+
+        if (fb_helper)
+                drm_fb_helper_hotplug_event(fb_helper);
 }
 
 static struct drm_mode_config_funcs exynos_drm_mode_config_funcs = {
         .fb_create = exynos_drm_fb_create,
+        .output_poll_changed = exynos_drm_output_poll_changed,
 };
 
 void exynos_drm_mode_config_init(struct drm_device *dev)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
index 1f4b3d1a7713..836f41008187 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
@@ -33,6 +33,7 @@
 
 #include "exynos_drm_drv.h"
 #include "exynos_drm_fb.h"
+#include "exynos_drm_gem.h"
 #include "exynos_drm_buf.h"
 
 #define MAX_CONNECTOR           4
@@ -85,15 +86,13 @@ static struct fb_ops exynos_drm_fb_ops = {
 };
 
 static int exynos_drm_fbdev_update(struct drm_fb_helper *helper,
-                                     struct drm_framebuffer *fb,
-                                     unsigned int fb_width,
-                                     unsigned int fb_height)
+                                     struct drm_framebuffer *fb)
 {
         struct fb_info *fbi = helper->fbdev;
         struct drm_device *dev = helper->dev;
         struct exynos_drm_fbdev *exynos_fb = to_exynos_fbdev(helper);
-        struct exynos_drm_buf_entry *entry;
-        unsigned int size = fb_width * fb_height * (fb->bits_per_pixel >> 3);
+        struct exynos_drm_gem_buf *buffer;
+        unsigned int size = fb->width * fb->height * (fb->bits_per_pixel >> 3);
         unsigned long offset;
 
         DRM_DEBUG_KMS("%s\n", __FILE__);
@@ -101,20 +100,20 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper,
         exynos_fb->fb = fb;
 
         drm_fb_helper_fill_fix(fbi, fb->pitch, fb->depth);
-        drm_fb_helper_fill_var(fbi, helper, fb_width, fb_height);
+        drm_fb_helper_fill_var(fbi, helper, fb->width, fb->height);
 
-        entry = exynos_drm_fb_get_buf(fb);
-        if (!entry) {
-                DRM_LOG_KMS("entry is null.\n");
+        buffer = exynos_drm_fb_get_buf(fb);
+        if (!buffer) {
+                DRM_LOG_KMS("buffer is null.\n");
                 return -EFAULT;
         }
 
         offset = fbi->var.xoffset * (fb->bits_per_pixel >> 3);
         offset += fbi->var.yoffset * fb->pitch;
 
-        dev->mode_config.fb_base = entry->paddr;
-        fbi->screen_base = entry->vaddr + offset;
-        fbi->fix.smem_start = entry->paddr + offset;
+        dev->mode_config.fb_base = (resource_size_t)buffer->dma_addr;
+        fbi->screen_base = buffer->kvaddr + offset;
+        fbi->fix.smem_start = (unsigned long)(buffer->dma_addr + offset);
         fbi->screen_size = size;
         fbi->fix.smem_len = size;
 
@@ -171,8 +170,7 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper,
                 goto out;
         }
 
-        ret = exynos_drm_fbdev_update(helper, helper->fb, sizes->fb_width,
-                        sizes->fb_height);
+        ret = exynos_drm_fbdev_update(helper, helper->fb);
         if (ret < 0)
                 fb_dealloc_cmap(&fbi->cmap);
 
@@ -235,8 +233,7 @@ static int exynos_drm_fbdev_recreate(struct drm_fb_helper *helper,
         }
 
         helper->fb = exynos_fbdev->fb;
-        return exynos_drm_fbdev_update(helper, helper->fb, sizes->fb_width,
-                        sizes->fb_height);
+        return exynos_drm_fbdev_update(helper, helper->fb);
 }
 
 static int exynos_drm_fbdev_probe(struct drm_fb_helper *helper,
@@ -405,6 +402,18 @@ int exynos_drm_fbdev_reinit(struct drm_device *dev)
         fb_helper = private->fb_helper;
 
         if (fb_helper) {
+                struct list_head temp_list;
+
+                INIT_LIST_HEAD(&temp_list);
+
+                /*
+                 * fb_helper is reintialized but kernel fb is reused
+                 * so kernel_fb_list need to be backuped and restored
+                 */
+                if (!list_empty(&fb_helper->kernel_fb_list))
+                        list_replace_init(&fb_helper->kernel_fb_list,
+                                        &temp_list);
+
                 drm_fb_helper_fini(fb_helper);
 
                 ret = drm_fb_helper_init(dev, fb_helper,
@@ -414,6 +423,9 @@ int exynos_drm_fbdev_reinit(struct drm_device *dev)
                         return ret;
                 }
 
+                if (!list_empty(&temp_list))
+                        list_replace(&temp_list, &fb_helper->kernel_fb_list);
+
                 ret = drm_fb_helper_single_add_all_connectors(fb_helper);
                 if (ret < 0) {
                         DRM_ERROR("failed to add fb helper to connectors\n");
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 4659c88cdd9b..db3b3d9e731d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -64,7 +64,7 @@ struct fimd_win_data {
         unsigned int            fb_width;
         unsigned int            fb_height;
         unsigned int            bpp;
-        dma_addr_t              paddr;
+        dma_addr_t              dma_addr;
         void __iomem            *vaddr;
         unsigned int            buf_offsize;
         unsigned int            line_size;      /* bytes */
@@ -124,7 +124,7 @@ static int fimd_display_power_on(struct device *dev, int mode)
         return 0;
 }
 
-static struct exynos_drm_display fimd_display = {
+static struct exynos_drm_display_ops fimd_display_ops = {
         .type = EXYNOS_DISPLAY_TYPE_LCD,
         .is_connected = fimd_display_is_connected,
         .get_timing = fimd_get_timing,
@@ -177,6 +177,40 @@ static void fimd_commit(struct device *dev)
         writel(val, ctx->regs + VIDCON0);
 }
 
+static void fimd_disable(struct device *dev)
+{
+        struct fimd_context *ctx = get_fimd_context(dev);
+        struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
+        struct drm_device *drm_dev = subdrv->drm_dev;
+        struct exynos_drm_manager *manager = &subdrv->manager;
+        u32 val;
+
+        DRM_DEBUG_KMS("%s\n", __FILE__);
+
+        /* fimd dma off */
+        val = readl(ctx->regs + VIDCON0);
+        val &= ~(VIDCON0_ENVID | VIDCON0_ENVID_F);
+        writel(val, ctx->regs + VIDCON0);
+
+        /*
+         * if vblank is enabled status with dma off then
+         * it disables vsync interrupt.
+         */
+        if (drm_dev->vblank_enabled[manager->pipe] &&
+                atomic_read(&drm_dev->vblank_refcount[manager->pipe])) {
+                drm_vblank_put(drm_dev, manager->pipe);
+
+                /*
+                 * if vblank_disable_allowed is 0 then disable
+                 * vsync interrupt right now else the vsync interrupt
+                 * would be disabled by drm timer once a current process
+                 * gives up ownershop of vblank event.
+                 */
+                if (!drm_dev->vblank_disable_allowed)
+                        drm_vblank_off(drm_dev, manager->pipe);
+        }
+}
+
 static int fimd_enable_vblank(struct device *dev)
 {
         struct fimd_context *ctx = get_fimd_context(dev);
@@ -220,6 +254,7 @@ static void fimd_disable_vblank(struct device *dev)
 
 static struct exynos_drm_manager_ops fimd_manager_ops = {
         .commit = fimd_commit,
+        .disable = fimd_disable,
         .enable_vblank = fimd_enable_vblank,
         .disable_vblank = fimd_disable_vblank,
 };
@@ -251,7 +286,7 @@ static void fimd_win_mode_set(struct device *dev,
         win_data->ovl_height = overlay->crtc_height;
         win_data->fb_width = overlay->fb_width;
         win_data->fb_height = overlay->fb_height;
-        win_data->paddr = overlay->paddr + offset;
+        win_data->dma_addr = overlay->dma_addr + offset;
         win_data->vaddr = overlay->vaddr + offset;
         win_data->bpp = overlay->bpp;
         win_data->buf_offsize = (overlay->fb_width - overlay->crtc_width) *
@@ -263,7 +298,7 @@ static void fimd_win_mode_set(struct device *dev,
         DRM_DEBUG_KMS("ovl_width = %d, ovl_height = %d\n",
                         win_data->ovl_width, win_data->ovl_height);
         DRM_DEBUG_KMS("paddr = 0x%lx, vaddr = 0x%lx\n",
-                        (unsigned long)win_data->paddr,
+                        (unsigned long)win_data->dma_addr,
                         (unsigned long)win_data->vaddr);
         DRM_DEBUG_KMS("fb_width = %d, crtc_width = %d\n",
                         overlay->fb_width, overlay->crtc_width);
@@ -376,16 +411,16 @@ static void fimd_win_commit(struct device *dev)
         writel(val, ctx->regs + SHADOWCON);
 
         /* buffer start address */
-        val = win_data->paddr;
+        val = (unsigned long)win_data->dma_addr;
         writel(val, ctx->regs + VIDWx_BUF_START(win, 0));
 
         /* buffer end address */
         size = win_data->fb_width * win_data->ovl_height * (win_data->bpp >> 3);
-        val = win_data->paddr + size;
+        val = (unsigned long)(win_data->dma_addr + size);
         writel(val, ctx->regs + VIDWx_BUF_END(win, 0));
 
         DRM_DEBUG_KMS("start addr = 0x%lx, end addr = 0x%lx, size = 0x%lx\n",
-                        (unsigned long)win_data->paddr, val, size);
+                        (unsigned long)win_data->dma_addr, val, size);
         DRM_DEBUG_KMS("ovl_width = %d, ovl_height = %d\n",
                         win_data->ovl_width, win_data->ovl_height);
 
@@ -447,7 +482,6 @@ static void fimd_win_commit(struct device *dev)
 static void fimd_win_disable(struct device *dev)
 {
         struct fimd_context *ctx = get_fimd_context(dev);
-        struct fimd_win_data *win_data;
         int win = ctx->default_win;
         u32 val;
 
@@ -456,8 +490,6 @@ static void fimd_win_disable(struct device *dev)
         if (win < 0 || win > WINDOWS_NR)
                 return;
 
-        win_data = &ctx->win_data[win];
-
         /* protect windows */
         val = readl(ctx->regs + SHADOWCON);
         val |= SHADOWCON_WINx_PROTECT(win);
@@ -528,6 +560,16 @@ static irqreturn_t fimd_irq_handler(int irq, void *dev_id)
                 /* VSYNC interrupt */
                 writel(VIDINTCON1_INT_FRAME, ctx->regs + VIDINTCON1);
 
+        /*
+         * in case that vblank_disable_allowed is 1, it could induce
+         * the problem that manager->pipe could be -1 because with
+         * disable callback, vsync interrupt isn't disabled and at this moment,
+         * vsync interrupt could occur. the vsync interrupt would be disabled
+         * by timer handler later.
+         */
+        if (manager->pipe == -1)
+                return IRQ_HANDLED;
+
         drm_handle_vblank(drm_dev, manager->pipe);
         fimd_finish_pageflip(drm_dev, manager->pipe);
 
@@ -548,13 +590,6 @@ static int fimd_subdrv_probe(struct drm_device *drm_dev, struct device *dev)
          */
         drm_dev->irq_enabled = 1;
 
-        /*
-         * with vblank_disable_allowed = 1, vblank interrupt will be disabled
-         * by drm timer once a current process gives up ownership of
-         * vblank event.(drm_vblank_put function was called)
-         */
-        drm_dev->vblank_disable_allowed = 1;
-
         return 0;
 }
 
@@ -731,7 +766,7 @@ static int __devinit fimd_probe(struct platform_device *pdev)
         subdrv->manager.pipe = -1;
         subdrv->manager.ops = &fimd_manager_ops;
         subdrv->manager.overlay_ops = &fimd_overlay_ops;
-        subdrv->manager.display = &fimd_display;
+        subdrv->manager.display_ops = &fimd_display_ops;
         subdrv->manager.dev = dev;
 
         platform_set_drvdata(pdev, ctx);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index a8e7a88906ed..aba0fe47f7ea 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -62,40 +62,28 @@ static unsigned int get_gem_mmap_offset(struct drm_gem_object *obj)
         return (unsigned int)obj->map_list.hash.key << PAGE_SHIFT;
 }
 
-struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_file *file_priv,
-                struct drm_device *dev, unsigned int size,
-                unsigned int *handle)
+static struct exynos_drm_gem_obj
+                *exynos_drm_gem_init(struct drm_device *drm_dev,
+                        struct drm_file *file_priv, unsigned int *handle,
+                        unsigned int size)
 {
         struct exynos_drm_gem_obj *exynos_gem_obj;
-        struct exynos_drm_buf_entry *entry;
         struct drm_gem_object *obj;
         int ret;
 
-        DRM_DEBUG_KMS("%s\n", __FILE__);
-
-        size = roundup(size, PAGE_SIZE);
-
         exynos_gem_obj = kzalloc(sizeof(*exynos_gem_obj), GFP_KERNEL);
         if (!exynos_gem_obj) {
                 DRM_ERROR("failed to allocate exynos gem object.\n");
                 return ERR_PTR(-ENOMEM);
         }
 
-        /* allocate the new buffer object and memory region. */
-        entry = exynos_drm_buf_create(dev, size);
-        if (!entry) {
-                kfree(exynos_gem_obj);
-                return ERR_PTR(-ENOMEM);
-        }
-
-        exynos_gem_obj->entry = entry;
-
         obj = &exynos_gem_obj->base;
 
-        ret = drm_gem_object_init(dev, obj, size);
+        ret = drm_gem_object_init(drm_dev, obj, size);
         if (ret < 0) {
-                DRM_ERROR("failed to initailize gem object.\n");
-                goto err_obj_init;
+                DRM_ERROR("failed to initialize gem object.\n");
+                ret = -EINVAL;
+                goto err_object_init;
         }
 
         DRM_DEBUG_KMS("created file object = 0x%x\n", (unsigned int)obj->filp);
@@ -127,24 +115,50 @@ err_handle_create:
 err_create_mmap_offset:
         drm_gem_object_release(obj);
 
-err_obj_init:
-        exynos_drm_buf_destroy(dev, exynos_gem_obj->entry);
-
+err_object_init:
         kfree(exynos_gem_obj);
 
         return ERR_PTR(ret);
 }
 
+struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev,
+                                struct drm_file *file_priv,
+                                unsigned int *handle, unsigned long size)
+{
+
+        struct exynos_drm_gem_obj *exynos_gem_obj = NULL;
+        struct exynos_drm_gem_buf *buffer;
+
+        size = roundup(size, PAGE_SIZE);
+
+        DRM_DEBUG_KMS("%s: size = 0x%lx\n", __FILE__, size);
+
+        buffer = exynos_drm_buf_create(dev, size);
+        if (IS_ERR(buffer)) {
+                return ERR_CAST(buffer);
+        }
+
+        exynos_gem_obj = exynos_drm_gem_init(dev, file_priv, handle, size);
+        if (IS_ERR(exynos_gem_obj)) {
+                exynos_drm_buf_destroy(dev, buffer);
+                return exynos_gem_obj;
+        }
+
+        exynos_gem_obj->buffer = buffer;
+
+        return exynos_gem_obj;
+}
+
 int exynos_drm_gem_create_ioctl(struct drm_device *dev, void *data,
-                struct drm_file *file_priv)
+                                        struct drm_file *file_priv)
 {
         struct drm_exynos_gem_create *args = data;
-        struct exynos_drm_gem_obj *exynos_gem_obj;
+        struct exynos_drm_gem_obj *exynos_gem_obj = NULL;
 
-        DRM_DEBUG_KMS("%s : size = 0x%x\n", __FILE__, args->size);
+        DRM_DEBUG_KMS("%s\n", __FILE__);
 
-        exynos_gem_obj = exynos_drm_gem_create(file_priv, dev, args->size,
-                        &args->handle);
+        exynos_gem_obj = exynos_drm_gem_create(dev, file_priv,
+                                                &args->handle, args->size);
         if (IS_ERR(exynos_gem_obj))
                 return PTR_ERR(exynos_gem_obj);
 
@@ -175,7 +189,7 @@ static int exynos_drm_gem_mmap_buffer(struct file *filp,
 {
         struct drm_gem_object *obj = filp->private_data;
         struct exynos_drm_gem_obj *exynos_gem_obj = to_exynos_gem_obj(obj);
-        struct exynos_drm_buf_entry *entry;
+        struct exynos_drm_gem_buf *buffer;
         unsigned long pfn, vm_size;
 
         DRM_DEBUG_KMS("%s\n", __FILE__);
@@ -187,20 +201,20 @@ static int exynos_drm_gem_mmap_buffer(struct file *filp,
 
         vm_size = vma->vm_end - vma->vm_start;
         /*
-         * a entry contains information to physically continuous memory
+         * a buffer contains information to physically continuous memory
          * allocated by user request or at framebuffer creation.
          */
-        entry = exynos_gem_obj->entry;
+        buffer = exynos_gem_obj->buffer;
 
         /* check if user-requested size is valid. */
-        if (vm_size > entry->size)
+        if (vm_size > buffer->size)
                 return -EINVAL;
 
         /*
          * get page frame number to physical memory to be mapped
          * to user space.
          */
-        pfn = exynos_gem_obj->entry->paddr >> PAGE_SHIFT;
+        pfn = ((unsigned long)exynos_gem_obj->buffer->dma_addr) >> PAGE_SHIFT;
 
         DRM_DEBUG_KMS("pfn = 0x%lx\n", pfn);
 
@@ -281,7 +295,7 @@ void exynos_drm_gem_free_object(struct drm_gem_object *gem_obj)
 
         exynos_gem_obj = to_exynos_gem_obj(gem_obj);
 
-        exynos_drm_buf_destroy(gem_obj->dev, exynos_gem_obj->entry);
+        exynos_drm_buf_destroy(gem_obj->dev, exynos_gem_obj->buffer);
 
         kfree(exynos_gem_obj);
 }
@@ -302,8 +316,8 @@ int exynos_drm_gem_dumb_create(struct drm_file *file_priv,
         args->pitch = args->width * args->bpp >> 3;
         args->size = args->pitch * args->height;
 
-        exynos_gem_obj = exynos_drm_gem_create(file_priv, dev, args->size,
-                                                        &args->handle);
+        exynos_gem_obj = exynos_drm_gem_create(dev, file_priv, &args->handle,
+                                                        args->size);
         if (IS_ERR(exynos_gem_obj))
                 return PTR_ERR(exynos_gem_obj);
 
@@ -360,7 +374,8 @@ int exynos_drm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 
         mutex_lock(&dev->struct_mutex);
 
-        pfn = (exynos_gem_obj->entry->paddr >> PAGE_SHIFT) + page_offset;
+        pfn = (((unsigned long)exynos_gem_obj->buffer->dma_addr) >>
+                        PAGE_SHIFT) + page_offset;
 
         ret = vm_insert_mixed(vma, (unsigned long)vmf->virtual_address, pfn);
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h
index e5fc0148277b..ef8797334e6d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h
@@ -30,13 +30,29 @@
                         struct exynos_drm_gem_obj, base)
 
 /*
+ * exynos drm gem buffer structure.
+ *
+ * @kvaddr: kernel virtual address to allocated memory region.
+ * @dma_addr: bus address(accessed by dma) to allocated memory region.
+ *      - this address could be physical address without IOMMU and
+ *      device address with IOMMU.
+ * @size: size of allocated memory region.
+ */
+struct exynos_drm_gem_buf {
+        void __iomem            *kvaddr;
+        dma_addr_t              dma_addr;
+        unsigned long           size;
+};
+
+/*
  * exynos drm buffer structure.
  *
  * @base: a gem object.
  *      - a new handle to this gem object would be created
  *      by drm_gem_handle_create().
- * @entry: pointer to exynos drm buffer entry object.
- *      - containing the information to physically
+ * @buffer: a pointer to exynos_drm_gem_buffer object.
+ *      - contain the information to memory region allocated
+ *      by user request or at framebuffer creation.
  *      continuous memory region allocated by user request
  *      or at framebuffer creation.
  *
@@ -45,13 +61,13 @@
  */
 struct exynos_drm_gem_obj {
         struct drm_gem_object base;
-        struct exynos_drm_buf_entry *entry;
+        struct exynos_drm_gem_buf *buffer;
 };
 
 /* create a new buffer and get a new gem handle. */
-struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_file *file_priv,
-                struct drm_device *dev, unsigned int size,
-                unsigned int *handle);
+struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev,
+                struct drm_file *file_priv,
+                unsigned int *handle, unsigned long size);
 
 /*
  * request gem object creation and buffer allocation as the size
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 8359dc777041..60ff1b63b568 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2026,8 +2026,13 @@ i915_wait_request(struct intel_ring_buffer *ring,
          * to handle this, the waiter on a request often wants an associated
          * buffer to have made it to the inactive list, and we would need
          * a separate wait queue to handle that.
+         *
+         * To avoid a recursion with the ilk VT-d workaround (that calls
+         * gpu_idle when unbinding objects with interruptible==false) don't
+         * retire requests in that case (because it might call unbind if the
+         * active list holds the last reference to the object).
          */
-        if (ret == 0)
+        if (ret == 0 && dev_priv->mm.interruptible)
                 i915_gem_retire_requests_ring(ring);
 
         return ret;
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index ddbabefb4273..b12fd2c80812 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -369,3 +369,48 @@ nouveau_finish_page_flip(struct nouveau_channel *chan,
         spin_unlock_irqrestore(&dev->event_lock, flags);
         return 0;
 }
+
+int
+nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
+                            struct drm_mode_create_dumb *args)
+{
+        struct nouveau_bo *bo;
+        int ret;
+
+        args->pitch = roundup(args->width * (args->bpp / 8), 256);
+        args->size = args->pitch * args->height;
+        args->size = roundup(args->size, PAGE_SIZE);
+
+        ret = nouveau_gem_new(dev, args->size, 0, TTM_PL_FLAG_VRAM, 0, 0, &bo);
+        if (ret)
+                return ret;
+
+        ret = drm_gem_handle_create(file_priv, bo->gem, &args->handle);
+        drm_gem_object_unreference_unlocked(bo->gem);
+        return ret;
+}
+
+int
+nouveau_display_dumb_destroy(struct drm_file *file_priv, struct drm_device *dev,
+                             uint32_t handle)
+{
+        return drm_gem_handle_delete(file_priv, handle);
+}
+
+int
+nouveau_display_dumb_map_offset(struct drm_file *file_priv,
+                                struct drm_device *dev,
+                                uint32_t handle, uint64_t *poffset)
+{
+        struct drm_gem_object *gem;
+
+        gem = drm_gem_object_lookup(dev, file_priv, handle);
+        if (gem) {
+                struct nouveau_bo *bo = gem->driver_private;
+                *poffset = bo->bo.addr_space_offset;
+                drm_gem_object_unreference_unlocked(gem);
+                return 0;
+        }
+
+        return -ENOENT;
+}
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c
index 9f7bb1295262..9791d13c9e3b 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.c
@@ -433,6 +433,10 @@ static struct drm_driver driver = {
         .gem_open_object = nouveau_gem_object_open,
         .gem_close_object = nouveau_gem_object_close,
 
+        .dumb_create = nouveau_display_dumb_create,
+        .dumb_map_offset = nouveau_display_dumb_map_offset,
+        .dumb_destroy = nouveau_display_dumb_destroy,
+
         .name = DRIVER_NAME,
         .desc = DRIVER_DESC,
 #ifdef GIT_REVISION
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 29837da1098b..4c0be3a4ed88 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -1418,6 +1418,12 @@ int nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
                            struct drm_pending_vblank_event *event);
 int nouveau_finish_page_flip(struct nouveau_channel *,
                              struct nouveau_page_flip_state *);
+int nouveau_display_dumb_create(struct drm_file *, struct drm_device *,
+                                struct drm_mode_create_dumb *args);
+int nouveau_display_dumb_map_offset(struct drm_file *, struct drm_device *,
+                                    uint32_t handle, uint64_t *offset);
+int nouveau_display_dumb_destroy(struct drm_file *, struct drm_device *,
+                                 uint32_t handle);
 
 /* nv10_gpio.c */
 int nv10_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
diff --git a/drivers/gpu/drm/nouveau/nouveau_object.c b/drivers/gpu/drm/nouveau/nouveau_object.c
index 02222c540aee..960c0ae0c0c3 100644
--- a/drivers/gpu/drm/nouveau/nouveau_object.c
+++ b/drivers/gpu/drm/nouveau/nouveau_object.c
@@ -680,7 +680,7 @@ nouveau_gpuobj_channel_init_pramin(struct nouveau_channel *chan)
                 return ret;
         }
 
-        ret = drm_mm_init(&chan->ramin_heap, base, size);
+        ret = drm_mm_init(&chan->ramin_heap, base, size - base);
         if (ret) {
                 NV_ERROR(dev, "Error creating PRAMIN heap: %d\n", ret);
                 nouveau_gpuobj_ref(NULL, &chan->ramin);
diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
index b75258a9fe44..c8a463b76c89 100644
--- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c
+++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
@@ -67,7 +67,10 @@ nouveau_sgdma_clear(struct ttm_backend *be)
                         pci_unmap_page(dev->pdev, nvbe->pages[nvbe->nr_pages],
                                        PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
                 }
+                nvbe->unmap_pages = false;
         }
+
+        nvbe->pages = NULL;
 }
 
 static void
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index d23ca00e7d62..06de250fe617 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -616,7 +616,7 @@ nv50_display_unk10_handler(struct drm_device *dev)
         struct drm_nouveau_private *dev_priv = dev->dev_private;
         struct nv50_display *disp = nv50_display(dev);
         u32 unk30 = nv_rd32(dev, 0x610030), mc;
-        int i, crtc, or, type = OUTPUT_ANY;
+        int i, crtc, or = 0, type = OUTPUT_ANY;
 
         NV_DEBUG_KMS(dev, "0x610030: 0x%08x\n", unk30);
         disp->irq.dcb = NULL;
@@ -708,7 +708,7 @@ nv50_display_unk20_handler(struct drm_device *dev)
         struct nv50_display *disp = nv50_display(dev);
         u32 unk30 = nv_rd32(dev, 0x610030), tmp, pclk, script, mc = 0;
         struct dcb_entry *dcb;
-        int i, crtc, or, type = OUTPUT_ANY;
+        int i, crtc, or = 0, type = OUTPUT_ANY;
 
         NV_DEBUG_KMS(dev, "0x610030: 0x%08x\n", unk30);
         dcb = disp->irq.dcb;
diff --git a/drivers/gpu/drm/nouveau/nvc0_graph.c b/drivers/gpu/drm/nouveau/nvc0_graph.c
index a74e501afd25..ecfafd70cf0e 100644
--- a/drivers/gpu/drm/nouveau/nvc0_graph.c
+++ b/drivers/gpu/drm/nouveau/nvc0_graph.c
@@ -381,6 +381,8 @@ nvc0_graph_init_gpc_0(struct drm_device *dev)
         u8  tpnr[GPC_MAX];
         int i, gpc, tpc;
 
+        nv_wr32(dev, TP_UNIT(0, 0, 0x5c), 1); /* affects TFB offset queries */
+
         /*
          *      TP      ROP UNKVAL(magic_not_rop_nr)
          * 450: 4/0/0/0 2        3
diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c
index 23d63b4b3d77..cb006a718e70 100644
--- a/drivers/gpu/drm/nouveau/nvd0_display.c
+++ b/drivers/gpu/drm/nouveau/nvd0_display.c
@@ -780,7 +780,7 @@ nvd0_sor_dpms(struct drm_encoder *encoder, int mode)
                         continue;
 
                 if (nv_partner != nv_encoder &&
-                    nv_partner->dcb->or == nv_encoder->or) {
+                    nv_partner->dcb->or == nv_encoder->dcb->or) {
                         if (nv_partner->last_dpms == DRM_MODE_DPMS_ON)
                                 return;
                         break;
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 87631fede1f8..2b97262e3ab1 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1107,9 +1107,40 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
                 return -EINVAL;
         }
 
-        if (tiling_flags & RADEON_TILING_MACRO)
+        if (tiling_flags & RADEON_TILING_MACRO) {
+                if (rdev->family >= CHIP_CAYMAN)
+                        tmp = rdev->config.cayman.tile_config;
+                else
+                        tmp = rdev->config.evergreen.tile_config;
+
+                switch ((tmp & 0xf0) >> 4) {
+                case 0: /* 4 banks */
+                        fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_4_BANK);
+                        break;
+                case 1: /* 8 banks */
+                default:
+                        fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_8_BANK);
+                        break;
+                case 2: /* 16 banks */
+                        fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_16_BANK);
+                        break;
+                }
+
+                switch ((tmp & 0xf000) >> 12) {
+                case 0: /* 1KB rows */
+                default:
+                        fb_format |= EVERGREEN_GRPH_TILE_SPLIT(EVERGREEN_ADDR_SURF_TILE_SPLIT_1KB);
+                        break;
+                case 1: /* 2KB rows */
+                        fb_format |= EVERGREEN_GRPH_TILE_SPLIT(EVERGREEN_ADDR_SURF_TILE_SPLIT_2KB);
+                        break;
+                case 2: /* 4KB rows */
+                        fb_format |= EVERGREEN_GRPH_TILE_SPLIT(EVERGREEN_ADDR_SURF_TILE_SPLIT_4KB);
+                        break;
+                }
+
                 fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_2D_TILED_THIN1);
-        else if (tiling_flags & RADEON_TILING_MICRO)
+        } else if (tiling_flags & RADEON_TILING_MICRO)
                 fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1);
 
         switch (radeon_crtc->crtc_id) {
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 1d603a3335db..5e00d1670aa9 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -82,6 +82,7 @@ u32 evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
 {
         struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
         u32 tmp = RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset);
+        int i;
 
         /* Lock the graphics update lock */
         tmp |= EVERGREEN_GRPH_UPDATE_LOCK;
@@ -99,7 +100,11 @@ u32 evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
                (u32)crtc_base);
 
         /* Wait for update_pending to go high. */
-        while (!(RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING));
+        for (i = 0; i < rdev->usec_timeout; i++) {
+                if (RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING)
+                        break;
+                udelay(1);
+        }
         DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
 
         /* Unlock the lock, so double-buffering can take place inside vblank */
diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c
index 38e1bda73d33..cd4590aae154 100644
--- a/drivers/gpu/drm/radeon/evergreen_cs.c
+++ b/drivers/gpu/drm/radeon/evergreen_cs.c
@@ -38,6 +38,7 @@ struct evergreen_cs_track {
         u32                     group_size;
         u32                     nbanks;
         u32                     npipes;
+        u32                     row_size;
         /* value we track */
         u32                     nsamples;
         u32                     cb_color_base_last[12];
@@ -77,6 +78,44 @@ struct evergreen_cs_track {
         struct radeon_bo        *db_s_write_bo;
 };
 
+static u32 evergreen_cs_get_aray_mode(u32 tiling_flags)
+{
+        if (tiling_flags & RADEON_TILING_MACRO)
+                return ARRAY_2D_TILED_THIN1;
+        else if (tiling_flags & RADEON_TILING_MICRO)
+                return ARRAY_1D_TILED_THIN1;
+        else
+                return ARRAY_LINEAR_GENERAL;
+}
+
+static u32 evergreen_cs_get_num_banks(u32 nbanks)
+{
+        switch (nbanks) {
+        case 2:
+                return ADDR_SURF_2_BANK;
+        case 4:
+                return ADDR_SURF_4_BANK;
+        case 8:
+        default:
+                return ADDR_SURF_8_BANK;
+        case 16:
+                return ADDR_SURF_16_BANK;
+        }
+}
+
+static u32 evergreen_cs_get_tile_split(u32 row_size)
+{
+        switch (row_size) {
+        case 1:
+        default:
+                return ADDR_SURF_TILE_SPLIT_1KB;
+        case 2:
+                return ADDR_SURF_TILE_SPLIT_2KB;
+        case 4:
+                return ADDR_SURF_TILE_SPLIT_4KB;
+        }
+}
+
 static void evergreen_cs_track_init(struct evergreen_cs_track *track)
 {
         int i;
@@ -490,12 +529,11 @@ static int evergreen_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
                         }
                         ib[idx] &= ~Z_ARRAY_MODE(0xf);
                         track->db_z_info &= ~Z_ARRAY_MODE(0xf);
+                        ib[idx] |= Z_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
+                        track->db_z_info |= Z_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
                         if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
-                                ib[idx] |= Z_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-                                track->db_z_info |= Z_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-                        } else {
-                                ib[idx] |= Z_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
-                                track->db_z_info |= Z_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+                                ib[idx] |= DB_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
+                                ib[idx] |= DB_TILE_SPLIT(evergreen_cs_get_tile_split(track->row_size));
                         }
                 }
                 break;
@@ -618,13 +656,8 @@ static int evergreen_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
                                                 "0x%04X\n", reg);
                                 return -EINVAL;
                         }
-                        if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
-                                ib[idx] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-                                track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-                        } else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
-                                ib[idx] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
-                                track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
-                        }
+                        ib[idx] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
+                        track->cb_color_info[tmp] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
                 }
                 break;
         case CB_COLOR8_INFO:
@@ -640,13 +673,8 @@ static int evergreen_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
                                                 "0x%04X\n", reg);
                                 return -EINVAL;
                         }
-                        if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
-                                ib[idx] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-                                track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-                        } else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
-                                ib[idx] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
-                                track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
-                        }
+                        ib[idx] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
+                        track->cb_color_info[tmp] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
                 }
                 break;
         case CB_COLOR0_PITCH:
@@ -701,6 +729,16 @@ static int evergreen_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
         case CB_COLOR9_ATTRIB:
         case CB_COLOR10_ATTRIB:
         case CB_COLOR11_ATTRIB:
+                r = evergreen_cs_packet_next_reloc(p, &reloc);
+                if (r) {
+                        dev_warn(p->dev, "bad SET_CONTEXT_REG "
+                                        "0x%04X\n", reg);
+                        return -EINVAL;
+                }
+                if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
+                        ib[idx] |= CB_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
+                        ib[idx] |= CB_TILE_SPLIT(evergreen_cs_get_tile_split(track->row_size));
+                }
                 break;
         case CB_COLOR0_DIM:
         case CB_COLOR1_DIM:
@@ -1318,10 +1356,14 @@ static int evergreen_packet3_check(struct radeon_cs_parser *p,
                                 }
                                 ib[idx+1+(i*8)+2] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
                                 if (!p->keep_tiling_flags) {
-                                        if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
-                                                ib[idx+1+(i*8)+1] |= TEX_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-                                        else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
-                                                ib[idx+1+(i*8)+1] |= TEX_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+                                        ib[idx+1+(i*8)+1] |=
+                                                TEX_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
+                                        if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
+                                                ib[idx+1+(i*8)+6] |=
+                                                        TEX_TILE_SPLIT(evergreen_cs_get_tile_split(track->row_size));
+                                                ib[idx+1+(i*8)+7] |=
+                                                        TEX_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
+                                        }
                                 }
                                 texture = reloc->robj;
                                 /* tex mip base */
@@ -1422,6 +1464,7 @@ int evergreen_cs_parse(struct radeon_cs_parser *p)
 {
         struct radeon_cs_packet pkt;
         struct evergreen_cs_track *track;
+        u32 tmp;
         int r;
 
         if (p->track == NULL) {
@@ -1430,9 +1473,63 @@ int evergreen_cs_parse(struct radeon_cs_parser *p)
                 if (track == NULL)
                         return -ENOMEM;
                 evergreen_cs_track_init(track);
-                track->npipes = p->rdev->config.evergreen.tiling_npipes;
-                track->nbanks = p->rdev->config.evergreen.tiling_nbanks;
-                track->group_size = p->rdev->config.evergreen.tiling_group_size;
+                if (p->rdev->family >= CHIP_CAYMAN)
+                        tmp = p->rdev->config.cayman.tile_config;
+                else
+                        tmp = p->rdev->config.evergreen.tile_config;
+
+                switch (tmp & 0xf) {
+                case 0:
+                        track->npipes = 1;
+                        break;
+                case 1:
+                default:
+                        track->npipes = 2;
+                        break;
+                case 2:
+                        track->npipes = 4;
+                        break;
+                case 3:
+                        track->npipes = 8;
+                        break;
+                }
+
+                switch ((tmp & 0xf0) >> 4) {
+                case 0:
+                        track->nbanks = 4;
+                        break;
+                case 1:
+                default:
+                        track->nbanks = 8;
+                        break;
+                case 2:
+                        track->nbanks = 16;
+                        break;
+                }
+
+                switch ((tmp & 0xf00) >> 8) {
+                case 0:
+                        track->group_size = 256;
+                        break;
+                case 1:
+                default:
+                        track->group_size = 512;
+                        break;
+                }
+
+                switch ((tmp & 0xf000) >> 12) {
+                case 0:
+                        track->row_size = 1;
+                        break;
+                case 1:
+                default:
+                        track->row_size = 2;
+                        break;
+                case 2:
+                        track->row_size = 4;
+                        break;
+                }
+
                 p->track = track;
         }
         do {
diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h
index c781c92c3451..7d7f2155e34c 100644
--- a/drivers/gpu/drm/radeon/evergreen_reg.h
+++ b/drivers/gpu/drm/radeon/evergreen_reg.h
@@ -42,6 +42,17 @@
 #       define EVERGREEN_GRPH_DEPTH_8BPP                0
 #       define EVERGREEN_GRPH_DEPTH_16BPP               1
 #       define EVERGREEN_GRPH_DEPTH_32BPP               2
+#       define EVERGREEN_GRPH_NUM_BANKS(x)              (((x) & 0x3) << 2)
+#       define EVERGREEN_ADDR_SURF_2_BANK               0
+#       define EVERGREEN_ADDR_SURF_4_BANK               1
+#       define EVERGREEN_ADDR_SURF_8_BANK               2
+#       define EVERGREEN_ADDR_SURF_16_BANK              3
+#       define EVERGREEN_GRPH_Z(x)                      (((x) & 0x3) << 4)
+#       define EVERGREEN_GRPH_BANK_WIDTH(x)             (((x) & 0x3) << 6)
+#       define EVERGREEN_ADDR_SURF_BANK_WIDTH_1         0
+#       define EVERGREEN_ADDR_SURF_BANK_WIDTH_2         1
+#       define EVERGREEN_ADDR_SURF_BANK_WIDTH_4         2
+#       define EVERGREEN_ADDR_SURF_BANK_WIDTH_8         3
 #       define EVERGREEN_GRPH_FORMAT(x)                 (((x) & 0x7) << 8)
 /* 8 BPP */
 #       define EVERGREEN_GRPH_FORMAT_INDEXED            0
@@ -61,6 +72,24 @@
 #       define EVERGREEN_GRPH_FORMAT_8B_BGRA1010102     5
 #       define EVERGREEN_GRPH_FORMAT_RGB111110          6
 #       define EVERGREEN_GRPH_FORMAT_BGR101111          7
+#       define EVERGREEN_GRPH_BANK_HEIGHT(x)            (((x) & 0x3) << 11)
+#       define EVERGREEN_ADDR_SURF_BANK_HEIGHT_1        0
+#       define EVERGREEN_ADDR_SURF_BANK_HEIGHT_2        1
+#       define EVERGREEN_ADDR_SURF_BANK_HEIGHT_4        2
+#       define EVERGREEN_ADDR_SURF_BANK_HEIGHT_8        3
+#       define EVERGREEN_GRPH_TILE_SPLIT(x)             (((x) & 0x7) << 13)
+#       define EVERGREEN_ADDR_SURF_TILE_SPLIT_64B       0
+#       define EVERGREEN_ADDR_SURF_TILE_SPLIT_128B      1
+#       define EVERGREEN_ADDR_SURF_TILE_SPLIT_256B      2
+#       define EVERGREEN_ADDR_SURF_TILE_SPLIT_512B      3
+#       define EVERGREEN_ADDR_SURF_TILE_SPLIT_1KB       4
+#       define EVERGREEN_ADDR_SURF_TILE_SPLIT_2KB       5
+#       define EVERGREEN_ADDR_SURF_TILE_SPLIT_4KB       6
+#       define EVERGREEN_GRPH_MACRO_TILE_ASPECT(x)      (((x) & 0x3) << 18)
+#       define EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_1  0
+#       define EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_2  1
+#       define EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_4  2
+#       define EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_8  3
 #       define EVERGREEN_GRPH_ARRAY_MODE(x)             (((x) & 0x7) << 20)
 #       define EVERGREEN_GRPH_ARRAY_LINEAR_GENERAL      0
 #       define EVERGREEN_GRPH_ARRAY_LINEAR_ALIGNED      1
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
index b937c49054d9..e00039e59a75 100644
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -899,6 +899,10 @@
 #define DB_HTILE_DATA_BASE                              0x28014
 #define DB_Z_INFO                                       0x28040
 #       define Z_ARRAY_MODE(x)                          ((x) << 4)
+#       define DB_TILE_SPLIT(x)                         (((x) & 0x7) << 8)
+#       define DB_NUM_BANKS(x)                          (((x) & 0x3) << 12)
+#       define DB_BANK_WIDTH(x)                         (((x) & 0x3) << 16)
+#       define DB_BANK_HEIGHT(x)                        (((x) & 0x3) << 20)
 #define DB_STENCIL_INFO                                 0x28044
 #define DB_Z_READ_BASE                                  0x28048
 #define DB_STENCIL_READ_BASE                            0x2804c
@@ -951,6 +955,29 @@
 #       define CB_SF_EXPORT_FULL                        0
 #       define CB_SF_EXPORT_NORM                        1
 #define CB_COLOR0_ATTRIB                                0x28c74
+#       define CB_TILE_SPLIT(x)                         (((x) & 0x7) << 5)
+#       define ADDR_SURF_TILE_SPLIT_64B                 0
+#       define ADDR_SURF_TILE_SPLIT_128B                1
+#       define ADDR_SURF_TILE_SPLIT_256B                2
+#       define ADDR_SURF_TILE_SPLIT_512B                3
+#       define ADDR_SURF_TILE_SPLIT_1KB                 4
+#       define ADDR_SURF_TILE_SPLIT_2KB                 5
+#       define ADDR_SURF_TILE_SPLIT_4KB                 6
+#       define CB_NUM_BANKS(x)                          (((x) & 0x3) << 10)
+#       define ADDR_SURF_2_BANK                         0
+#       define ADDR_SURF_4_BANK                         1
+#       define ADDR_SURF_8_BANK                         2
+#       define ADDR_SURF_16_BANK                        3
+#       define CB_BANK_WIDTH(x)                         (((x) & 0x3) << 13)
+#       define ADDR_SURF_BANK_WIDTH_1                   0
+#       define ADDR_SURF_BANK_WIDTH_2                   1
+#       define ADDR_SURF_BANK_WIDTH_4                   2
+#       define ADDR_SURF_BANK_WIDTH_8                   3
+#       define CB_BANK_HEIGHT(x)                        (((x) & 0x3) << 16)
+#       define ADDR_SURF_BANK_HEIGHT_1                  0
+#       define ADDR_SURF_BANK_HEIGHT_2                  1
+#       define ADDR_SURF_BANK_HEIGHT_4                  2
+#       define ADDR_SURF_BANK_HEIGHT_8                  3
 #define CB_COLOR0_DIM                                   0x28c78
 /* only CB0-7 blocks have these regs */
 #define CB_COLOR0_CMASK                                 0x28c7c
@@ -1137,7 +1164,11 @@
 #       define SQ_SEL_1                                 5
 #define SQ_TEX_RESOURCE_WORD5_0                         0x30014
 #define SQ_TEX_RESOURCE_WORD6_0                         0x30018
+#       define TEX_TILE_SPLIT(x)                        (((x) & 0x7) << 29)
 #define SQ_TEX_RESOURCE_WORD7_0                         0x3001c
+#       define TEX_BANK_WIDTH(x)                        (((x) & 0x3) << 8)
+#       define TEX_BANK_HEIGHT(x)                       (((x) & 0x3) << 10)
+#       define TEX_NUM_BANKS(x)                         (((x) & 0x3) << 16)
 
 #define SQ_VTX_CONSTANT_WORD0_0                         0x30000
 #define SQ_VTX_CONSTANT_WORD1_0                         0x30004
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index ad158ea49901..bfc08f6320f8 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -187,13 +187,18 @@ u32 r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
 {
         struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
         u32 tmp = ((u32)crtc_base) | RADEON_CRTC_OFFSET__OFFSET_LOCK;
+        int i;
 
         /* Lock the graphics update lock */
         /* update the scanout addresses */
         WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
 
         /* Wait for update_pending to go high. */
-        while (!(RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET));
+        for (i = 0; i < rdev->usec_timeout; i++) {
+                if (RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET)
+                        break;
+                udelay(1);
+        }
         DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
 
         /* Unlock the lock, so double-buffering can take place inside vblank */
diff --git a/drivers/gpu/drm/radeon/radeon_acpi.c b/drivers/gpu/drm/radeon/radeon_acpi.c
index 3f6636bb2d7f..3516a6081dcf 100644
--- a/drivers/gpu/drm/radeon/radeon_acpi.c
+++ b/drivers/gpu/drm/radeon/radeon_acpi.c
@@ -35,7 +35,8 @@ static int radeon_atif_call(acpi_handle handle)
 
         /* Fail only if calling the method fails and ATIF is supported */
         if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
-                printk(KERN_DEBUG "failed to evaluate ATIF got %s\n", acpi_format_exception(status));
+                DRM_DEBUG_DRIVER("failed to evaluate ATIF got %s\n",
+                                 acpi_format_exception(status));
                 kfree(buffer.pointer);
                 return 1;
         }
@@ -50,13 +51,13 @@ int radeon_acpi_init(struct radeon_device *rdev)
         acpi_handle handle;
         int ret;
 
-        /* No need to proceed if we're sure that ATIF is not supported */
-        if (!ASIC_IS_AVIVO(rdev) || !rdev->bios)
-                return 0;
-
         /* Get the device handle */
         handle = DEVICE_ACPI_HANDLE(&rdev->pdev->dev);
 
+        /* No need to proceed if we're sure that ATIF is not supported */
+        if (!ASIC_IS_AVIVO(rdev) || !rdev->bios || !handle)
+                return 0;
+
         /* Call the ATIF method */
         ret = radeon_atif_call(handle);
         if (ret)
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index 06e413e6a920..4b27efa4405b 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -233,13 +233,12 @@ u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder)
                 switch (radeon_encoder->encoder_id) {
                 case ENCODER_OBJECT_ID_TRAVIS:
                 case ENCODER_OBJECT_ID_NUTMEG:
-                        return true;
+                        return radeon_encoder->encoder_id;
                 default:
-                        return false;
+                        return ENCODER_OBJECT_ID_NONE;
                 }
         }
-
-        return false;
+        return ENCODER_OBJECT_ID_NONE;
 }
 
 void radeon_panel_mode_fixup(struct drm_encoder *encoder,
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index 481b99e89f65..b1053d640423 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -62,6 +62,7 @@ u32 rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
 {
         struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
         u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
+        int i;
 
         /* Lock the graphics update lock */
         tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
@@ -74,7 +75,11 @@ u32 rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
                (u32)crtc_base);
 
         /* Wait for update_pending to go high. */
-        while (!(RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING));
+        for (i = 0; i < rdev->usec_timeout; i++) {
+                if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)
+                        break;
+                udelay(1);
+        }
         DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
 
         /* Unlock the lock, so double-buffering can take place inside vblank */
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index a983f410ab89..23ae1c60ab3d 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -47,6 +47,7 @@ u32 rv770_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
 {
         struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
         u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
+        int i;
 
         /* Lock the graphics update lock */
         tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
@@ -66,7 +67,11 @@ u32 rv770_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
                (u32)crtc_base);
 
         /* Wait for update_pending to go high. */
-        while (!(RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING));
+        for (i = 0; i < rdev->usec_timeout; i++) {
+                if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)
+                        break;
+                udelay(1);
+        }
         DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
 
         /* Unlock the lock, so double-buffering can take place inside vblank */
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
index 3f6343502d1f..5ff561d4e0b4 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
@@ -140,7 +140,7 @@ int vmw_present_ioctl(struct drm_device *dev, void *data,
                 goto out_clips;
         }
 
-        clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
+        clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL);
         if (clips == NULL) {
                 DRM_ERROR("Failed to allocate clip rect list.\n");
                 ret = -ENOMEM;
@@ -232,7 +232,7 @@ int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
                 goto out_clips;
         }
 
-        clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
+        clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL);
         if (clips == NULL) {
                 DRM_ERROR("Failed to allocate clip rect list.\n");
                 ret = -ENOMEM;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 880e285d7578..37d40545ed77 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1809,7 +1809,8 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
         }
 
         rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect);
-        rects = kzalloc(rects_size, GFP_KERNEL);
+        rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect),
+                        GFP_KERNEL);
         if (unlikely(!rects)) {
                 ret = -ENOMEM;
                 goto out_unlock;
@@ -1824,10 +1825,10 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
         }
 
         for (i = 0; i < arg->num_outputs; ++i) {
-                if (rects->x < 0 ||
-                    rects->y < 0 ||
-                    rects->x + rects->w > mode_config->max_width ||
-                    rects->y + rects->h > mode_config->max_height) {
+                if (rects[i].x < 0 ||
+                    rects[i].y < 0 ||
+                    rects[i].x + rects[i].w > mode_config->max_width ||
+                    rects[i].y + rects[i].h > mode_config->max_height) {
                         DRM_ERROR("Invalid GUI layout.\n");
                         ret = -EINVAL;
                         goto out_free;
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 848a56c0279c..af353842f75f 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1771,8 +1771,8 @@ static const struct hid_device_id hid_ignore_list[] = {
         { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
-        { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0003) },
         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) },
         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 06ce996b8b65..4a441a6f9967 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -266,7 +266,7 @@
 #define USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR  0x0002
 
 #define USB_VENDOR_ID_GENERAL_TOUCH     0x0dfc
-#define USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS 0x0001
+#define USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS 0x0003
 
 #define USB_VENDOR_ID_GLAB              0x06c2
 #define USB_DEVICE_ID_4_PHIDGETSERVO_30 0x0038
diff --git a/drivers/hwmon/ad7314.c b/drivers/hwmon/ad7314.c
index 318e38e85376..5d760f3d21c2 100644
--- a/drivers/hwmon/ad7314.c
+++ b/drivers/hwmon/ad7314.c
@@ -160,7 +160,6 @@ MODULE_DEVICE_TABLE(spi, ad7314_id);
 static struct spi_driver ad7314_driver = {
         .driver = {
                 .name = "ad7314",
-                .bus = &spi_bus_type,
                 .owner = THIS_MODULE,
         },
         .probe = ad7314_probe,
diff --git a/drivers/hwmon/ads7871.c b/drivers/hwmon/ads7871.c
index 52319340e182..04450f8bf5da 100644
--- a/drivers/hwmon/ads7871.c
+++ b/drivers/hwmon/ads7871.c
@@ -227,7 +227,6 @@ static int __devexit ads7871_remove(struct spi_device *spi)
 static struct spi_driver ads7871_driver = {
         .driver = {
                 .name = DEVICE_NAME,
-                .bus = &spi_bus_type,
                 .owner = THIS_MODULE,
         },
 
diff --git a/drivers/hwmon/exynos4_tmu.c b/drivers/hwmon/exynos4_tmu.c
index faa0884f61f6..f2359a0093bd 100644
--- a/drivers/hwmon/exynos4_tmu.c
+++ b/drivers/hwmon/exynos4_tmu.c
@@ -506,17 +506,7 @@ static struct platform_driver exynos4_tmu_driver = {
         .resume = exynos4_tmu_resume,
 };
 
-static int __init exynos4_tmu_driver_init(void)
-{
-        return platform_driver_register(&exynos4_tmu_driver);
-}
-module_init(exynos4_tmu_driver_init);
-
-static void __exit exynos4_tmu_driver_exit(void)
-{
-        platform_driver_unregister(&exynos4_tmu_driver);
-}
-module_exit(exynos4_tmu_driver_exit);
+module_platform_driver(exynos4_tmu_driver);
 
 MODULE_DESCRIPTION("EXYNOS4 TMU Driver");
 MODULE_AUTHOR("Donggeun Kim <dg77.kim@samsung.com>");
diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c
index 89aa9fb743af..9ba38f318ffb 100644
--- a/drivers/hwmon/gpio-fan.c
+++ b/drivers/hwmon/gpio-fan.c
@@ -539,18 +539,7 @@ static struct platform_driver gpio_fan_driver = {
         },
 };
 
-static int __init gpio_fan_init(void)
-{
-        return platform_driver_register(&gpio_fan_driver);
-}
-
-static void __exit gpio_fan_exit(void)
-{
-        platform_driver_unregister(&gpio_fan_driver);
-}
-
-module_init(gpio_fan_init);
-module_exit(gpio_fan_exit);
+module_platform_driver(gpio_fan_driver);
 
 MODULE_AUTHOR("Simon Guinot <sguinot@lacie.com>");
 MODULE_DESCRIPTION("GPIO FAN driver");
diff --git a/drivers/hwmon/jz4740-hwmon.c b/drivers/hwmon/jz4740-hwmon.c
index fea292d43407..7a48b1eb4233 100644
--- a/drivers/hwmon/jz4740-hwmon.c
+++ b/drivers/hwmon/jz4740-hwmon.c
@@ -212,17 +212,7 @@ struct platform_driver jz4740_hwmon_driver = {
         },
 };
 
-static int __init jz4740_hwmon_init(void)
-{
-        return platform_driver_register(&jz4740_hwmon_driver);
-}
-module_init(jz4740_hwmon_init);
-
-static void __exit jz4740_hwmon_exit(void)
-{
-        platform_driver_unregister(&jz4740_hwmon_driver);
-}
-module_exit(jz4740_hwmon_exit);
+module_platform_driver(jz4740_hwmon_driver);
 
 MODULE_DESCRIPTION("JZ4740 SoC HWMON driver");
 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c
index eab11615dced..9b382ec2c3bd 100644
--- a/drivers/hwmon/ntc_thermistor.c
+++ b/drivers/hwmon/ntc_thermistor.c
@@ -432,19 +432,7 @@ static struct platform_driver ntc_thermistor_driver = {
         .id_table = ntc_thermistor_id,
 };
 
-static int __init ntc_thermistor_init(void)
-{
-        return platform_driver_register(&ntc_thermistor_driver);
-}
-
-module_init(ntc_thermistor_init);
-
-static void __exit ntc_thermistor_cleanup(void)
-{
-        platform_driver_unregister(&ntc_thermistor_driver);
-}
-
-module_exit(ntc_thermistor_cleanup);
+module_platform_driver(ntc_thermistor_driver);
 
 MODULE_DESCRIPTION("NTC Thermistor Driver");
 MODULE_AUTHOR("MyungJoo Ham <myungjoo.ham@samsung.com>");
diff --git a/drivers/hwmon/s3c-hwmon.c b/drivers/hwmon/s3c-hwmon.c
index b39f52e2752a..f6c26d19f521 100644
--- a/drivers/hwmon/s3c-hwmon.c
+++ b/drivers/hwmon/s3c-hwmon.c
@@ -393,18 +393,7 @@ static struct platform_driver s3c_hwmon_driver = {
         .remove         = __devexit_p(s3c_hwmon_remove),
 };
 
-static int __init s3c_hwmon_init(void)
-{
-        return platform_driver_register(&s3c_hwmon_driver);
-}
-
-static void __exit s3c_hwmon_exit(void)
-{
-        platform_driver_unregister(&s3c_hwmon_driver);
-}
-
-module_init(s3c_hwmon_init);
-module_exit(s3c_hwmon_exit);
+module_platform_driver(s3c_hwmon_driver);
 
 MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
 MODULE_DESCRIPTION("S3C ADC HWMon driver");
diff --git a/drivers/hwmon/sch5627.c b/drivers/hwmon/sch5627.c
index e3b5c6039c25..79b6dabe3161 100644
--- a/drivers/hwmon/sch5627.c
+++ b/drivers/hwmon/sch5627.c
@@ -590,19 +590,8 @@ static struct platform_driver sch5627_driver = {
         .remove         = sch5627_remove,
 };
 
-static int __init sch5627_init(void)
-{
-        return platform_driver_register(&sch5627_driver);
-}
-
-static void __exit sch5627_exit(void)
-{
-        platform_driver_unregister(&sch5627_driver);
-}
+module_platform_driver(sch5627_driver);
 
 MODULE_DESCRIPTION("SMSC SCH5627 Hardware Monitoring Driver");
 MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
 MODULE_LICENSE("GPL");
-
-module_init(sch5627_init);
-module_exit(sch5627_exit);
diff --git a/drivers/hwmon/sch5636.c b/drivers/hwmon/sch5636.c
index 244407aa79fc..9d5236fb09b4 100644
--- a/drivers/hwmon/sch5636.c
+++ b/drivers/hwmon/sch5636.c
@@ -521,19 +521,8 @@ static struct platform_driver sch5636_driver = {
         .remove         = sch5636_remove,
 };
 
-static int __init sch5636_init(void)
-{
-        return platform_driver_register(&sch5636_driver);
-}
-
-static void __exit sch5636_exit(void)
-{
-        platform_driver_unregister(&sch5636_driver);
-}
+module_platform_driver(sch5636_driver);
 
 MODULE_DESCRIPTION("SMSC SCH5636 Hardware Monitoring Driver");
 MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
 MODULE_LICENSE("GPL");
-
-module_init(sch5636_init);
-module_exit(sch5636_exit);
diff --git a/drivers/hwmon/twl4030-madc-hwmon.c b/drivers/hwmon/twl4030-madc-hwmon.c
index 57240740b161..0018c7dd0097 100644
--- a/drivers/hwmon/twl4030-madc-hwmon.c
+++ b/drivers/hwmon/twl4030-madc-hwmon.c
@@ -136,19 +136,7 @@ static struct platform_driver twl4030_madc_hwmon_driver = {
                    },
 };
 
-static int __init twl4030_madc_hwmon_init(void)
-{
-        return platform_driver_register(&twl4030_madc_hwmon_driver);
-}
-
-module_init(twl4030_madc_hwmon_init);
-
-static void __exit twl4030_madc_hwmon_exit(void)
-{
-        platform_driver_unregister(&twl4030_madc_hwmon_driver);
-}
-
-module_exit(twl4030_madc_hwmon_exit);
+module_platform_driver(twl4030_madc_hwmon_driver);
 
 MODULE_DESCRIPTION("TWL4030 ADC Hwmon driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/hwmon/ultra45_env.c b/drivers/hwmon/ultra45_env.c
index 3cd07bf42dca..b9a87e89bab4 100644
--- a/drivers/hwmon/ultra45_env.c
+++ b/drivers/hwmon/ultra45_env.c
@@ -309,15 +309,4 @@ static struct platform_driver env_driver = {
         .remove         = __devexit_p(env_remove),
 };
 
-static int __init env_init(void)
-{
-        return platform_driver_register(&env_driver);
-}
-
-static void __exit env_exit(void)
-{
-        platform_driver_unregister(&env_driver);
-}
-
-module_init(env_init);
-module_exit(env_exit);
+module_platform_driver(env_driver);
diff --git a/drivers/hwmon/wm831x-hwmon.c b/drivers/hwmon/wm831x-hwmon.c
index 97b1f834a471..9b598ed26020 100644
--- a/drivers/hwmon/wm831x-hwmon.c
+++ b/drivers/hwmon/wm831x-hwmon.c
@@ -209,17 +209,7 @@ static struct platform_driver wm831x_hwmon_driver = {
         },
 };
 
-static int __init wm831x_hwmon_init(void)
-{
-        return platform_driver_register(&wm831x_hwmon_driver);
-}
-module_init(wm831x_hwmon_init);
-
-static void __exit wm831x_hwmon_exit(void)
-{
-        platform_driver_unregister(&wm831x_hwmon_driver);
-}
-module_exit(wm831x_hwmon_exit);
+module_platform_driver(wm831x_hwmon_driver);
 
 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
 MODULE_DESCRIPTION("WM831x Hardware Monitoring");
diff --git a/drivers/hwmon/wm8350-hwmon.c b/drivers/hwmon/wm8350-hwmon.c
index 13290595ca86..3ff67edbdc44 100644
--- a/drivers/hwmon/wm8350-hwmon.c
+++ b/drivers/hwmon/wm8350-hwmon.c
@@ -133,17 +133,7 @@ static struct platform_driver wm8350_hwmon_driver = {
         },
 };
 
-static int __init wm8350_hwmon_init(void)
-{
-        return platform_driver_register(&wm8350_hwmon_driver);
-}
-module_init(wm8350_hwmon_init);
-
-static void __exit wm8350_hwmon_exit(void)
-{
-        platform_driver_unregister(&wm8350_hwmon_driver);
-}
-module_exit(wm8350_hwmon_exit);
+module_platform_driver(wm8350_hwmon_driver);
 
 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
 MODULE_DESCRIPTION("WM8350 Hardware Monitoring");
diff --git a/drivers/i2c/busses/i2c-nuc900.c b/drivers/i2c/busses/i2c-nuc900.c
index 835e47b39bc2..03b615778887 100644
--- a/drivers/i2c/busses/i2c-nuc900.c
+++ b/drivers/i2c/busses/i2c-nuc900.c
@@ -593,7 +593,7 @@ static int __devinit nuc900_i2c_probe(struct platform_device *pdev)
         i2c->adap.algo_data = i2c;
         i2c->adap.dev.parent = &pdev->dev;
 
-        mfp_set_groupg(&pdev->dev);
+        mfp_set_groupg(&pdev->dev, NULL);
 
         clk_get_rate(i2c->clk);
 
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index 691276bafd78..e9cf51b1343b 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -216,7 +216,9 @@ static int addr4_resolve(struct sockaddr_in *src_in,
 
         neigh = neigh_lookup(&arp_tbl, &rt->rt_gateway, rt->dst.dev);
         if (!neigh || !(neigh->nud_state & NUD_VALID)) {
+                rcu_read_lock();
                 neigh_event_send(dst_get_neighbour(&rt->dst), NULL);
+                rcu_read_unlock();
                 ret = -ENODATA;
                 if (neigh)
                         goto release;
@@ -274,15 +276,16 @@ static int addr6_resolve(struct sockaddr_in6 *src_in,
                 goto put;
         }
 
+        rcu_read_lock();
         neigh = dst_get_neighbour(dst);
         if (!neigh || !(neigh->nud_state & NUD_VALID)) {
                 if (neigh)
                         neigh_event_send(neigh, NULL);
                 ret = -ENODATA;
-                goto put;
+        } else {
+                ret = rdma_copy_addr(addr, dst->dev, neigh->ha);
         }
-
-        ret = rdma_copy_addr(addr, dst->dev, neigh->ha);
+        rcu_read_unlock();
 put:
         dst_release(dst);
         return ret;
diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c
index de6d0774e609..c88b12beef25 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_cm.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c
@@ -1375,8 +1375,10 @@ static int pass_accept_req(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
                 goto reject;
         }
         dst = &rt->dst;
+        rcu_read_lock();
         neigh = dst_get_neighbour(dst);
         l2t = t3_l2t_get(tdev, neigh, neigh->dev);
+        rcu_read_unlock();
         if (!l2t) {
                 printk(KERN_ERR MOD "%s - failed to allocate l2t entry!\n",
                        __func__);
@@ -1946,10 +1948,12 @@ int iwch_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
         }
         ep->dst = &rt->dst;
 
+        rcu_read_lock();
         neigh = dst_get_neighbour(ep->dst);
 
         /* get a l2t entry */
         ep->l2t = t3_l2t_get(ep->com.tdev, neigh, neigh->dev);
+        rcu_read_unlock();
         if (!ep->l2t) {
                 printk(KERN_ERR MOD "%s - cannot alloc l2e.\n", __func__);
                 err = -ENOMEM;
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index b36cdac9c558..0747004313ad 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -542,8 +542,10 @@ static void send_mpa_req(struct c4iw_ep *ep, struct sk_buff *skb,
                      (mpa_rev_to_use == 2 ? MPA_ENHANCED_RDMA_CONN : 0);
         mpa->private_data_size = htons(ep->plen);
         mpa->revision = mpa_rev_to_use;
-        if (mpa_rev_to_use == 1)
+        if (mpa_rev_to_use == 1) {
                 ep->tried_with_mpa_v1 = 1;
+                ep->retry_with_mpa_v1 = 0;
+        }
 
         if (mpa_rev_to_use == 2) {
                 mpa->private_data_size +=
@@ -1594,6 +1596,7 @@ static int pass_accept_req(struct c4iw_dev *dev, struct sk_buff *skb)
                 goto reject;
         }
         dst = &rt->dst;
+        rcu_read_lock();
         neigh = dst_get_neighbour(dst);
         if (neigh->dev->flags & IFF_LOOPBACK) {
                 pdev = ip_dev_find(&init_net, peer_ip);
@@ -1620,6 +1623,7 @@ static int pass_accept_req(struct c4iw_dev *dev, struct sk_buff *skb)
                 rss_qid = dev->rdev.lldi.rxq_ids[
                           cxgb4_port_idx(neigh->dev) * step];
         }
+        rcu_read_unlock();
         if (!l2t) {
                 printk(KERN_ERR MOD "%s - failed to allocate l2t entry!\n",
                        __func__);
@@ -1820,6 +1824,7 @@ static int c4iw_reconnect(struct c4iw_ep *ep)
         }
         ep->dst = &rt->dst;
 
+        rcu_read_lock();
         neigh = dst_get_neighbour(ep->dst);
 
         /* get a l2t entry */
@@ -1856,6 +1861,7 @@ static int c4iw_reconnect(struct c4iw_ep *ep)
                 ep->rss_qid = ep->com.dev->rdev.lldi.rxq_ids[
                         cxgb4_port_idx(neigh->dev) * step];
         }
+        rcu_read_unlock();
         if (!ep->l2t) {
                 printk(KERN_ERR MOD "%s - cannot alloc l2e.\n", __func__);
                 err = -ENOMEM;
@@ -2301,6 +2307,7 @@ int c4iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
         }
         ep->dst = &rt->dst;
 
+        rcu_read_lock();
         neigh = dst_get_neighbour(ep->dst);
 
         /* get a l2t entry */
@@ -2339,6 +2346,7 @@ int c4iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
                 ep->retry_with_mpa_v1 = 0;
                 ep->tried_with_mpa_v1 = 0;
         }
+        rcu_read_unlock();
         if (!ep->l2t) {
                 printk(KERN_ERR MOD "%s - cannot alloc l2e.\n", __func__);
                 err = -ENOMEM;
diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c
index f35a935267e7..0f1607c8325a 100644
--- a/drivers/infiniband/hw/cxgb4/cq.c
+++ b/drivers/infiniband/hw/cxgb4/cq.c
@@ -311,7 +311,7 @@ void c4iw_count_rcqes(struct t4_cq *cq, struct t4_wq *wq, int *count)
         while (ptr != cq->sw_pidx) {
                 cqe = &cq->sw_queue[ptr];
                 if (RQ_TYPE(cqe) && (CQE_OPCODE(cqe) != FW_RI_READ_RESP) &&
-                    (CQE_QPID(cqe) == wq->rq.qid) && cqe_completes_wr(cqe, wq))
+                    (CQE_QPID(cqe) == wq->sq.qid) && cqe_completes_wr(cqe, wq))
                         (*count)++;
                 if (++ptr == cq->size)
                         ptr = 0;
diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
index dfce9ea98a39..0a52d72371ee 100644
--- a/drivers/infiniband/hw/nes/nes_cm.c
+++ b/drivers/infiniband/hw/nes/nes_cm.c
@@ -1377,9 +1377,11 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi
                 neigh_release(neigh);
         }
 
-        if ((neigh == NULL) || (!(neigh->nud_state & NUD_VALID)))
+        if ((neigh == NULL) || (!(neigh->nud_state & NUD_VALID))) {
+                rcu_read_lock();
                 neigh_event_send(dst_get_neighbour(&rt->dst), NULL);
-
+                rcu_read_unlock();
+        }
         ip_rt_put(rt);
         return rc;
 }
diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c
index 5bd2162b95dc..1d5895941e19 100644
--- a/drivers/infiniband/hw/qib/qib_iba7322.c
+++ b/drivers/infiniband/hw/qib/qib_iba7322.c
@@ -2307,19 +2307,11 @@ static int qib_7322_bringup_serdes(struct qib_pportdata *ppd)
                 SYM_LSB(IBCCtrlA_0, MaxPktLen);
         ppd->cpspec->ibcctrl_a = ibc; /* without linkcmd or linkinitcmd! */
 
-        /* initially come up waiting for TS1, without sending anything. */
-        val = ppd->cpspec->ibcctrl_a | (QLOGIC_IB_IBCC_LINKINITCMD_DISABLE <<
-                QLOGIC_IB_IBCC_LINKINITCMD_SHIFT);
-
-        ppd->cpspec->ibcctrl_a = val;
         /*
          * Reset the PCS interface to the serdes (and also ibc, which is still
          * in reset from above).  Writes new value of ibcctrl_a as last step.
          */
         qib_7322_mini_pcs_reset(ppd);
-        qib_write_kreg(dd, kr_scratch, 0ULL);
-        /* clear the linkinit cmds */
-        ppd->cpspec->ibcctrl_a &= ~SYM_MASK(IBCCtrlA_0, LinkInitCmd);
 
         if (!ppd->cpspec->ibcctrl_b) {
                 unsigned lse = ppd->link_speed_enabled;
@@ -2385,6 +2377,14 @@ static int qib_7322_bringup_serdes(struct qib_pportdata *ppd)
         ppd->cpspec->ibcctrl_a |= SYM_MASK(IBCCtrlA_0, IBLinkEn);
         set_vls(ppd);
 
+        /* initially come up DISABLED, without sending anything. */
+        val = ppd->cpspec->ibcctrl_a | (QLOGIC_IB_IBCC_LINKINITCMD_DISABLE <<
+                                        QLOGIC_IB_IBCC_LINKINITCMD_SHIFT);
+        qib_write_kreg_port(ppd, krp_ibcctrl_a, val);
+        qib_write_kreg(dd, kr_scratch, 0ULL);
+        /* clear the linkinit cmds */
+        ppd->cpspec->ibcctrl_a = val & ~SYM_MASK(IBCCtrlA_0, LinkInitCmd);
+
         /* be paranoid against later code motion, etc. */
         spin_lock_irqsave(&dd->cspec->rcvmod_lock, flags);
         ppd->p_rcvctrl |= SYM_MASK(RcvCtrl_0, RcvIBPortEnable);
@@ -5241,7 +5241,7 @@ static int qib_7322_ib_updown(struct qib_pportdata *ppd, int ibup, u64 ibcs)
                            off */
                         if (ppd->dd->flags & QIB_HAS_QSFP) {
                                 qd->t_insert = get_jiffies_64();
-                                schedule_work(&qd->work);
+                                queue_work(ib_wq, &qd->work);
                         }
                         spin_lock_irqsave(&ppd->sdma_lock, flags);
                         if (__qib_sdma_running(ppd))
diff --git a/drivers/infiniband/hw/qib/qib_qsfp.c b/drivers/infiniband/hw/qib/qib_qsfp.c
index e06c4ed383f1..fa71b1e666c5 100644
--- a/drivers/infiniband/hw/qib/qib_qsfp.c
+++ b/drivers/infiniband/hw/qib/qib_qsfp.c
@@ -480,18 +480,6 @@ void qib_qsfp_init(struct qib_qsfp_data *qd,
         udelay(20); /* Generous RST dwell */
 
         dd->f_gpio_mod(dd, mask, mask, mask);
-        /* Spec says module can take up to two seconds! */
-        mask = QSFP_GPIO_MOD_PRS_N;
-        if (qd->ppd->hw_pidx)
-                mask <<= QSFP_GPIO_PORT2_SHIFT;
-
-        /* Do not try to wait here. Better to let event handle it */
-        if (!qib_qsfp_mod_present(qd->ppd))
-                goto bail;
-        /* We see a module, but it may be unwise to look yet. Just schedule */
-        qd->t_insert = get_jiffies_64();
-        queue_work(ib_wq, &qd->work);
-bail:
         return;
 }
 
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index 0ef9af94997d..4115be54ba3b 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -57,21 +57,24 @@ struct ipoib_ah *ipoib_create_ah(struct net_device *dev,
                                  struct ib_pd *pd, struct ib_ah_attr *attr)
 {
         struct ipoib_ah *ah;
+        struct ib_ah *vah;
 
         ah = kmalloc(sizeof *ah, GFP_KERNEL);
         if (!ah)
-                return NULL;
+                return ERR_PTR(-ENOMEM);
 
         ah->dev       = dev;
         ah->last_send = 0;
         kref_init(&ah->ref);
 
-        ah->ah = ib_create_ah(pd, attr);
-        if (IS_ERR(ah->ah)) {
+        vah = ib_create_ah(pd, attr);
+        if (IS_ERR(vah)) {
                 kfree(ah);
-                ah = NULL;
-        } else
+                ah = (struct ipoib_ah *)vah;
+        } else {
+                ah->ah = vah;
                 ipoib_dbg(netdev_priv(dev), "Created ah %p\n", ah->ah);
+        }
 
         return ah;
 }
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 7567b6000230..83695b48b010 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -432,7 +432,7 @@ static void path_rec_completion(int status,
 
         spin_lock_irqsave(&priv->lock, flags);
 
-        if (ah) {
+        if (!IS_ERR_OR_NULL(ah)) {
                 path->pathrec = *pathrec;
 
                 old_ah   = path->ah;
@@ -555,6 +555,7 @@ static int path_rec_start(struct net_device *dev,
         return 0;
 }
 
+/* called with rcu_read_lock */
 static void neigh_add_path(struct sk_buff *skb, struct net_device *dev)
 {
         struct ipoib_dev_priv *priv = netdev_priv(dev);
@@ -636,6 +637,7 @@ err_drop:
         spin_unlock_irqrestore(&priv->lock, flags);
 }
 
+/* called with rcu_read_lock */
 static void ipoib_path_lookup(struct sk_buff *skb, struct net_device *dev)
 {
         struct ipoib_dev_priv *priv = netdev_priv(skb->dev);
@@ -720,13 +722,14 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
         struct neighbour *n = NULL;
         unsigned long flags;
 
+        rcu_read_lock();
         if (likely(skb_dst(skb)))
                 n = dst_get_neighbour(skb_dst(skb));
 
         if (likely(n)) {
                 if (unlikely(!*to_ipoib_neigh(n))) {
                         ipoib_path_lookup(skb, dev);
-                        return NETDEV_TX_OK;
+                        goto unlock;
                 }
 
                 neigh = *to_ipoib_neigh(n);
@@ -749,17 +752,17 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
                         ipoib_neigh_free(dev, neigh);
                         spin_unlock_irqrestore(&priv->lock, flags);
                         ipoib_path_lookup(skb, dev);
-                        return NETDEV_TX_OK;
+                        goto unlock;
                 }
 
                 if (ipoib_cm_get(neigh)) {
                         if (ipoib_cm_up(neigh)) {
                                 ipoib_cm_send(dev, skb, ipoib_cm_get(neigh));
-                                return NETDEV_TX_OK;
+                                goto unlock;
                         }
                 } else if (neigh->ah) {
                         ipoib_send(dev, skb, neigh->ah, IPOIB_QPN(n->ha));
-                        return NETDEV_TX_OK;
+                        goto unlock;
                 }
 
                 if (skb_queue_len(&neigh->queue) < IPOIB_MAX_PATH_REC_QUEUE) {
@@ -793,13 +796,14 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
                                            phdr->hwaddr + 4);
                                 dev_kfree_skb_any(skb);
                                 ++dev->stats.tx_dropped;
-                                return NETDEV_TX_OK;
+                                goto unlock;
                         }
 
                         unicast_arp_send(skb, dev, phdr);
                 }
         }
-
+unlock:
+        rcu_read_unlock();
         return NETDEV_TX_OK;
 }
 
@@ -837,7 +841,7 @@ static int ipoib_hard_header(struct sk_buff *skb,
         dst = skb_dst(skb);
         n = NULL;
         if (dst)
-                n = dst_get_neighbour(dst);
+                n = dst_get_neighbour_raw(dst);
         if ((!dst || !n) && daddr) {
                 struct ipoib_pseudoheader *phdr =
                         (struct ipoib_pseudoheader *) skb_push(skb, sizeof *phdr);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 1b7a97686356..873bff97e69e 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -240,8 +240,11 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,
                 av.grh.dgid = mcast->mcmember.mgid;
 
                 ah = ipoib_create_ah(dev, priv->pd, &av);
-                if (!ah) {
-                        ipoib_warn(priv, "ib_address_create failed\n");
+                if (IS_ERR(ah)) {
+                        ipoib_warn(priv, "ib_address_create failed %ld\n",
+                                -PTR_ERR(ah));
+                        /* use original error */
+                        return PTR_ERR(ah);
                 } else {
                         spin_lock_irq(&priv->lock);
                         mcast->ah = ah;
@@ -266,7 +269,7 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,
 
                 skb->dev = dev;
                 if (dst)
-                        n = dst_get_neighbour(dst);
+                        n = dst_get_neighbour_raw(dst);
                 if (!dst || !n) {
                         /* put pseudoheader back on for next time */
                         skb_push(skb, sizeof (struct ipoib_pseudoheader));
@@ -722,6 +725,8 @@ out:
         if (mcast && mcast->ah) {
                 struct dst_entry *dst = skb_dst(skb);
                 struct neighbour *n = NULL;
+
+                rcu_read_lock();
                 if (dst)
                         n = dst_get_neighbour(dst);
                 if (n && !*to_ipoib_neigh(n)) {
@@ -734,7 +739,7 @@ out:
                                 list_add_tail(&neigh->list, &mcast->neigh_list);
                         }
                 }
-
+                rcu_read_unlock();
                 spin_unlock_irqrestore(&priv->lock, flags);
                 ipoib_send(dev, skb, mcast->ah, IB_MULTICAST_QPN);
                 return;
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index c0c7820d4c46..a004c3945c67 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -3524,7 +3524,7 @@ found:
         return 0;
 }
 
-int dmar_parse_rmrr_atsr_dev(void)
+int __init dmar_parse_rmrr_atsr_dev(void)
 {
         struct dmar_rmrr_unit *rmrr, *rmrr_n;
         struct dmar_atsr_unit *atsr, *atsr_n;
diff --git a/drivers/iommu/intr_remapping.c b/drivers/iommu/intr_remapping.c
index 07c9f189f314..6777ca049471 100644
--- a/drivers/iommu/intr_remapping.c
+++ b/drivers/iommu/intr_remapping.c
@@ -773,7 +773,7 @@ int __init parse_ioapics_under_ir(void)
         return ir_supported;
 }
 
-int ir_dev_scope_init(void)
+int __init ir_dev_scope_init(void)
 {
         if (!intr_remapping_enabled)
                 return 0;
diff --git a/drivers/isdn/divert/divert_procfs.c b/drivers/isdn/divert/divert_procfs.c
index 33ec9e467772..9021182c4b76 100644
--- a/drivers/isdn/divert/divert_procfs.c
+++ b/drivers/isdn/divert/divert_procfs.c
@@ -242,6 +242,12 @@ static int isdn_divert_ioctl_unlocked(struct file *file, uint cmd, ulong arg)
                 case IIOCDOCFINT:
                         if (!divert_if.drv_to_name(dioctl.cf_ctrl.drvid))
                                 return (-EINVAL);       /* invalid driver */
+                        if (strnlen(dioctl.cf_ctrl.msn, sizeof(dioctl.cf_ctrl.msn)) ==
+                                        sizeof(dioctl.cf_ctrl.msn))
+                                return -EINVAL;
+                        if (strnlen(dioctl.cf_ctrl.fwd_nr, sizeof(dioctl.cf_ctrl.fwd_nr)) ==
+                                        sizeof(dioctl.cf_ctrl.fwd_nr))
+                                return -EINVAL;
                         if ((i = cf_command(dioctl.cf_ctrl.drvid,
                                             (cmd == IIOCDOCFACT) ? 1 : (cmd == IIOCDOCFDIS) ? 0 : 2,
                                             dioctl.cf_ctrl.cfproc,
diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c
index 1f73d7f7e024..2339d7396b9e 100644
--- a/drivers/isdn/i4l/isdn_net.c
+++ b/drivers/isdn/i4l/isdn_net.c
@@ -2756,6 +2756,9 @@ isdn_net_setcfg(isdn_net_ioctl_cfg * cfg)
                         char *c,
                         *e;
 
+                        if (strnlen(cfg->drvid, sizeof(cfg->drvid)) ==
+                                        sizeof(cfg->drvid))
+                                return -EINVAL;
                         drvidx = -1;
                         chidx = -1;
                         strcpy(drvid, cfg->drvid);
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 7878712721bf..b6907118283a 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1106,10 +1106,12 @@ void bitmap_write_all(struct bitmap *bitmap)
          */
         int i;
 
+        spin_lock_irq(&bitmap->lock);
         for (i = 0; i < bitmap->file_pages; i++)
                 set_page_attr(bitmap, bitmap->filemap[i],
                               BITMAP_PAGE_NEEDWRITE);
         bitmap->allclean = 0;
+        spin_unlock_irq(&bitmap->lock);
 }
 
 static void bitmap_count_page(struct bitmap *bitmap, sector_t offset, int inc)
@@ -1605,7 +1607,9 @@ void bitmap_dirty_bits(struct bitmap *bitmap, unsigned long s, unsigned long e)
         for (chunk = s; chunk <= e; chunk++) {
                 sector_t sec = (sector_t)chunk << CHUNK_BLOCK_SHIFT(bitmap);
                 bitmap_set_memory_bits(bitmap, sec, 1);
+                spin_lock_irq(&bitmap->lock);
                 bitmap_file_set_bit(bitmap, sec);
+                spin_unlock_irq(&bitmap->lock);
                 if (sec < bitmap->mddev->recovery_cp)
                         /* We are asserting that the array is dirty,
                          * so move the recovery_cp address back so
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 84acfe7d10e4..ee981737edfc 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -570,7 +570,7 @@ static void mddev_put(struct mddev *mddev)
             mddev->ctime == 0 && !mddev->hold_active) {
                 /* Array is not configured at all, and not held active,
                  * so destroy it */
-                list_del(&mddev->all_mddevs);
+                list_del_init(&mddev->all_mddevs);
                 bs = mddev->bio_set;
                 mddev->bio_set = NULL;
                 if (mddev->gendisk) {
@@ -2546,7 +2546,8 @@ state_show(struct md_rdev *rdev, char *page)
                 sep = ",";
         }
         if (test_bit(Blocked, &rdev->flags) ||
-            rdev->badblocks.unacked_exist) {
+            (rdev->badblocks.unacked_exist
+             && !test_bit(Faulty, &rdev->flags))) {
                 len += sprintf(page+len, "%sblocked", sep);
                 sep = ",";
         }
@@ -3788,6 +3789,8 @@ array_state_store(struct mddev *mddev, const char *buf, size_t len)
         if (err)
                 return err;
         else {
+                if (mddev->hold_active == UNTIL_IOCTL)
+                        mddev->hold_active = 0;
                 sysfs_notify_dirent_safe(mddev->sysfs_state);
                 return len;
         }
@@ -4487,11 +4490,20 @@ md_attr_show(struct kobject *kobj, struct attribute *attr, char *page)
 
         if (!entry->show)
                 return -EIO;
+        spin_lock(&all_mddevs_lock);
+        if (list_empty(&mddev->all_mddevs)) {
+                spin_unlock(&all_mddevs_lock);
+                return -EBUSY;
+        }
+        mddev_get(mddev);
+        spin_unlock(&all_mddevs_lock);
+
         rv = mddev_lock(mddev);
         if (!rv) {
                 rv = entry->show(mddev, page);
                 mddev_unlock(mddev);
         }
+        mddev_put(mddev);
         return rv;
 }
 
@@ -4507,13 +4519,19 @@ md_attr_store(struct kobject *kobj, struct attribute *attr,
                 return -EIO;
         if (!capable(CAP_SYS_ADMIN))
                 return -EACCES;
+        spin_lock(&all_mddevs_lock);
+        if (list_empty(&mddev->all_mddevs)) {
+                spin_unlock(&all_mddevs_lock);
+                return -EBUSY;
+        }
+        mddev_get(mddev);
+        spin_unlock(&all_mddevs_lock);
         rv = mddev_lock(mddev);
-        if (mddev->hold_active == UNTIL_IOCTL)
-                mddev->hold_active = 0;
         if (!rv) {
                 rv = entry->store(mddev, page, length);
                 mddev_unlock(mddev);
         }
+        mddev_put(mddev);
         return rv;
 }
 
@@ -7840,6 +7858,7 @@ int rdev_set_badblocks(struct md_rdev *rdev, sector_t s, int sectors,
                                   s + rdev->data_offset, sectors, acknowledged);
         if (rv) {
                 /* Make sure they get written out promptly */
+                sysfs_notify_dirent_safe(rdev->sysfs_state);
                 set_bit(MD_CHANGE_CLEAN, &rdev->mddev->flags);
                 md_wakeup_thread(rdev->mddev->thread);
         }
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 297e26092178..31670f8d6b65 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3036,6 +3036,8 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)
                 if (dev->written)
                         s->written++;
                 rdev = rcu_dereference(conf->disks[i].rdev);
+                if (rdev && test_bit(Faulty, &rdev->flags))
+                        rdev = NULL;
                 if (rdev) {
                         is_bad = is_badblock(rdev, sh->sector, STRIPE_SECTORS,
                                              &first_bad, &bad_sectors);
@@ -3063,12 +3065,12 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)
                         }
                 } else if (test_bit(In_sync, &rdev->flags))
                         set_bit(R5_Insync, &dev->flags);
-                else if (!test_bit(Faulty, &rdev->flags)) {
+                else {
                         /* in sync if before recovery_offset */
                         if (sh->sector + STRIPE_SECTORS <= rdev->recovery_offset)
                                 set_bit(R5_Insync, &dev->flags);
                 }
-                if (test_bit(R5_WriteError, &dev->flags)) {
+                if (rdev && test_bit(R5_WriteError, &dev->flags)) {
                         clear_bit(R5_Insync, &dev->flags);
                         if (!test_bit(Faulty, &rdev->flags)) {
                                 s->handle_bad_blocks = 1;
@@ -3076,7 +3078,7 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)
                         } else
                                 clear_bit(R5_WriteError, &dev->flags);
                 }
-                if (test_bit(R5_MadeGood, &dev->flags)) {
+                if (rdev && test_bit(R5_MadeGood, &dev->flags)) {
                         if (!test_bit(Faulty, &rdev->flags)) {
                                 s->handle_bad_blocks = 1;
                                 atomic_inc(&rdev->nr_pending);
diff --git a/drivers/net/arcnet/Kconfig b/drivers/net/arcnet/Kconfig
index a73d9dc80ff6..84fb6349a59a 100644
--- a/drivers/net/arcnet/Kconfig
+++ b/drivers/net/arcnet/Kconfig
@@ -4,7 +4,7 @@
 
 menuconfig ARCNET
         depends on NETDEVICES && (ISA || PCI || PCMCIA)
-        bool "ARCnet support"
+        tristate "ARCnet support"
         ---help---
           If you have a network card of this type, say Y and check out the
           (arguably) beautiful poetry in
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index b0c577256487..7f8756825b8a 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -2553,30 +2553,6 @@ re_arm:
         }
 }
 
-static __be32 bond_glean_dev_ip(struct net_device *dev)
-{
-        struct in_device *idev;
-        struct in_ifaddr *ifa;
-        __be32 addr = 0;
-
-        if (!dev)
-                return 0;
-
-        rcu_read_lock();
-        idev = __in_dev_get_rcu(dev);
-        if (!idev)
-                goto out;
-
-        ifa = idev->ifa_list;
-        if (!ifa)
-                goto out;
-
-        addr = ifa->ifa_local;
-out:
-        rcu_read_unlock();
-        return addr;
-}
-
 static int bond_has_this_ip(struct bonding *bond, __be32 ip)
 {
         struct vlan_entry *vlan;
@@ -3322,6 +3298,10 @@ static int bond_inetaddr_event(struct notifier_block *this, unsigned long event,
         struct bonding *bond;
         struct vlan_entry *vlan;
 
+        /* we only care about primary address */
+        if(ifa->ifa_flags & IFA_F_SECONDARY)
+                return NOTIFY_DONE;
+
         list_for_each_entry(bond, &bn->dev_list, bond_list) {
                 if (bond->dev == event_dev) {
                         switch (event) {
@@ -3329,7 +3309,7 @@ static int bond_inetaddr_event(struct notifier_block *this, unsigned long event,
                                 bond->master_ip = ifa->ifa_local;
                                 return NOTIFY_OK;
                         case NETDEV_DOWN:
-                                bond->master_ip = bond_glean_dev_ip(bond->dev);
+                                bond->master_ip = 0;
                                 return NOTIFY_OK;
                         default:
                                 return NOTIFY_DONE;
@@ -3345,8 +3325,7 @@ static int bond_inetaddr_event(struct notifier_block *this, unsigned long event,
                                         vlan->vlan_ip = ifa->ifa_local;
                                         return NOTIFY_OK;
                                 case NETDEV_DOWN:
-                                        vlan->vlan_ip =
-                                                bond_glean_dev_ip(vlan_dev);
+                                        vlan->vlan_ip = 0;
                                         return NOTIFY_OK;
                                 default:
                                         return NOTIFY_DONE;
diff --git a/drivers/net/can/sja1000/peak_pci.c b/drivers/net/can/sja1000/peak_pci.c
index 905bce0b3a43..2c7f5036f570 100644
--- a/drivers/net/can/sja1000/peak_pci.c
+++ b/drivers/net/can/sja1000/peak_pci.c
@@ -20,7 +20,6 @@
  */
 
 #include <linux/kernel.h>
-#include <linux/version.h>
 #include <linux/module.h>
 #include <linux/interrupt.h>
 #include <linux/netdevice.h>
diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c
index 4cf835dbc122..3fb66d09ece5 100644
--- a/drivers/net/ethernet/broadcom/b44.c
+++ b/drivers/net/ethernet/broadcom/b44.c
@@ -608,7 +608,7 @@ static void b44_tx(struct b44 *bp)
                                  skb->len,
                                  DMA_TO_DEVICE);
                 rp->skb = NULL;
-                dev_kfree_skb(skb);
+                dev_kfree_skb_irq(skb);
         }
 
         bp->tx_cons = cons;
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
index bce203fa4b9e..882f48f0a03c 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
@@ -10327,6 +10327,43 @@ static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
         return 0;
 }
 
+
+static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
+                                       struct link_params *params, u8 mode)
+{
+        struct bnx2x *bp = params->bp;
+        u16 temp;
+
+        bnx2x_cl22_write(bp, phy,
+                MDIO_REG_GPHY_SHADOW,
+                MDIO_REG_GPHY_SHADOW_LED_SEL1);
+        bnx2x_cl22_read(bp, phy,
+                MDIO_REG_GPHY_SHADOW,
+                &temp);
+        temp &= 0xff00;
+
+        DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
+        switch (mode) {
+        case LED_MODE_FRONT_PANEL_OFF:
+        case LED_MODE_OFF:
+                temp |= 0x00ee;
+                break;
+        case LED_MODE_OPER:
+                temp |= 0x0001;
+                break;
+        case LED_MODE_ON:
+                temp |= 0x00ff;
+                break;
+        default:
+                break;
+        }
+        bnx2x_cl22_write(bp, phy,
+                MDIO_REG_GPHY_SHADOW,
+                MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
+        return;
+}
+
+
 static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
                                      struct link_params *params)
 {
@@ -11103,7 +11140,7 @@ static struct bnx2x_phy phy_54618se = {
         .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
         .format_fw_ver  = (format_fw_ver_t)NULL,
         .hw_reset       = (hw_reset_t)NULL,
-        .set_link_led   = (set_link_led_t)NULL,
+        .set_link_led   = (set_link_led_t)bnx2x_5461x_set_link_led,
         .phy_specific_func = (phy_specific_func_t)NULL
 };
 /*****************************************************************/
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
index fc7bd0f23c0b..e58073ef33b4 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
@@ -6990,6 +6990,7 @@ Theotherbitsarereservedandshouldbezero*/
 #define MDIO_REG_INTR_MASK                              0x1b
 #define MDIO_REG_INTR_MASK_LINK_STATUS                  (0x1 << 1)
 #define MDIO_REG_GPHY_SHADOW                            0x1c
+#define MDIO_REG_GPHY_SHADOW_LED_SEL1                   (0x0d << 10)
 #define MDIO_REG_GPHY_SHADOW_LED_SEL2                   (0x0e << 10)
 #define MDIO_REG_GPHY_SHADOW_WR_ENA                     (0x1 << 15)
 #define MDIO_REG_GPHY_SHADOW_AUTO_DET_MED               (0x1e << 10)
diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c
index 438f4580bf66..2a22f5256353 100644
--- a/drivers/net/ethernet/davicom/dm9000.c
+++ b/drivers/net/ethernet/davicom/dm9000.c
@@ -613,7 +613,7 @@ static int dm9000_set_wol(struct net_device *dev, struct ethtool_wolinfo *w)
 
                 if (!dm->wake_state)
                         irq_set_irq_wake(dm->irq_wake, 1);
-                else if (dm->wake_state & !opts)
+                else if (dm->wake_state && !opts)
                         irq_set_irq_wake(dm->irq_wake, 0);
         }
 
diff --git a/drivers/net/ethernet/freescale/Kconfig b/drivers/net/ethernet/freescale/Kconfig
index c520cfd3b298..5272f9d4dda9 100644
--- a/drivers/net/ethernet/freescale/Kconfig
+++ b/drivers/net/ethernet/freescale/Kconfig
@@ -24,6 +24,7 @@ config FEC
         bool "FEC ethernet controller (of ColdFire and some i.MX CPUs)"
         depends on (M523x || M527x || M5272 || M528x || M520x || M532x || \
                    ARCH_MXC || ARCH_MXS)
+        default ARCH_MXC || ARCH_MXS if ARM
         select PHYLIB
         ---help---
           Say Y here if you want to use the built-in 10/100 Fast ethernet
diff --git a/drivers/net/ethernet/ibm/ehea/ehea.h b/drivers/net/ethernet/ibm/ehea/ehea.h
index 410d6a1984ed..6650068c996c 100644
--- a/drivers/net/ethernet/ibm/ehea/ehea.h
+++ b/drivers/net/ethernet/ibm/ehea/ehea.h
@@ -61,9 +61,9 @@
 #ifdef EHEA_SMALL_QUEUES
 #define EHEA_MAX_CQE_COUNT      1023
 #define EHEA_DEF_ENTRIES_SQ     1023
-#define EHEA_DEF_ENTRIES_RQ1    4095
+#define EHEA_DEF_ENTRIES_RQ1    1023
 #define EHEA_DEF_ENTRIES_RQ2    1023
-#define EHEA_DEF_ENTRIES_RQ3    1023
+#define EHEA_DEF_ENTRIES_RQ3    511
 #else
 #define EHEA_MAX_CQE_COUNT      4080
 #define EHEA_DEF_ENTRIES_SQ     4080
diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c
index 37b70f7052b6..bfeccbfde236 100644
--- a/drivers/net/ethernet/ibm/ehea/ehea_main.c
+++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c
@@ -371,7 +371,8 @@ static void ehea_update_stats(struct work_struct *work)
 out_herr:
         free_page((unsigned long)cb2);
 resched:
-        schedule_delayed_work(&port->stats_work, msecs_to_jiffies(1000));
+        schedule_delayed_work(&port->stats_work,
+                              round_jiffies_relative(msecs_to_jiffies(1000)));
 }
 
 static void ehea_refill_rq1(struct ehea_port_res *pr, int index, int nr_of_wqes)
@@ -2434,7 +2435,8 @@ static int ehea_open(struct net_device *dev)
         }
 
         mutex_unlock(&port->port_lock);
-        schedule_delayed_work(&port->stats_work, msecs_to_jiffies(1000));
+        schedule_delayed_work(&port->stats_work,
+                              round_jiffies_relative(msecs_to_jiffies(1000)));
 
         return ret;
 }
diff --git a/drivers/net/ethernet/ibm/iseries_veth.c b/drivers/net/ethernet/ibm/iseries_veth.c
index 4326681df382..acc31af6594a 100644
--- a/drivers/net/ethernet/ibm/iseries_veth.c
+++ b/drivers/net/ethernet/ibm/iseries_veth.c
@@ -1421,7 +1421,7 @@ static void veth_receive(struct veth_lpar_connection *cnx,
 
                 /* FIXME: do we need this? */
                 memset(local_list, 0, sizeof(local_list));
-                memset(remote_list, 0, sizeof(VETH_MAX_FRAMES_PER_MSG));
+                memset(remote_list, 0, sizeof(remote_list));
 
                 /* a 0 address marks the end of the valid entries */
                 if (senddata->addr[startchunk] == 0)
diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c
index 7becff1f387d..76b84573566b 100644
--- a/drivers/net/ethernet/jme.c
+++ b/drivers/net/ethernet/jme.c
@@ -1745,6 +1745,112 @@ jme_phy_off(struct jme_adapter *jme)
 }
 
 static int
+jme_phy_specreg_read(struct jme_adapter *jme, u32 specreg)
+{
+        u32 phy_addr;
+
+        phy_addr = JM_PHY_SPEC_REG_READ | specreg;
+        jme_mdio_write(jme->dev, jme->mii_if.phy_id, JM_PHY_SPEC_ADDR_REG,
+                        phy_addr);
+        return jme_mdio_read(jme->dev, jme->mii_if.phy_id,
+                        JM_PHY_SPEC_DATA_REG);
+}
+
+static void
+jme_phy_specreg_write(struct jme_adapter *jme, u32 ext_reg, u32 phy_data)
+{
+        u32 phy_addr;
+
+        phy_addr = JM_PHY_SPEC_REG_WRITE | ext_reg;
+        jme_mdio_write(jme->dev, jme->mii_if.phy_id, JM_PHY_SPEC_DATA_REG,
+                        phy_data);
+        jme_mdio_write(jme->dev, jme->mii_if.phy_id, JM_PHY_SPEC_ADDR_REG,
+                        phy_addr);
+}
+
+static int
+jme_phy_calibration(struct jme_adapter *jme)
+{
+        u32 ctrl1000, phy_data;
+
+        jme_phy_off(jme);
+        jme_phy_on(jme);
+        /*  Enabel PHY test mode 1 */
+        ctrl1000 = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_CTRL1000);
+        ctrl1000 &= ~PHY_GAD_TEST_MODE_MSK;
+        ctrl1000 |= PHY_GAD_TEST_MODE_1;
+        jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_CTRL1000, ctrl1000);
+
+        phy_data = jme_phy_specreg_read(jme, JM_PHY_EXT_COMM_2_REG);
+        phy_data &= ~JM_PHY_EXT_COMM_2_CALI_MODE_0;
+        phy_data |= JM_PHY_EXT_COMM_2_CALI_LATCH |
+                        JM_PHY_EXT_COMM_2_CALI_ENABLE;
+        jme_phy_specreg_write(jme, JM_PHY_EXT_COMM_2_REG, phy_data);
+        msleep(20);
+        phy_data = jme_phy_specreg_read(jme, JM_PHY_EXT_COMM_2_REG);
+        phy_data &= ~(JM_PHY_EXT_COMM_2_CALI_ENABLE |
+                        JM_PHY_EXT_COMM_2_CALI_MODE_0 |
+                        JM_PHY_EXT_COMM_2_CALI_LATCH);
+        jme_phy_specreg_write(jme, JM_PHY_EXT_COMM_2_REG, phy_data);
+
+        /*  Disable PHY test mode */
+        ctrl1000 = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_CTRL1000);
+        ctrl1000 &= ~PHY_GAD_TEST_MODE_MSK;
+        jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_CTRL1000, ctrl1000);
+        return 0;
+}
+
+static int
+jme_phy_setEA(struct jme_adapter *jme)
+{
+        u32 phy_comm0 = 0, phy_comm1 = 0;
+        u8 nic_ctrl;
+
+        pci_read_config_byte(jme->pdev, PCI_PRIV_SHARE_NICCTRL, &nic_ctrl);
+        if ((nic_ctrl & 0x3) == JME_FLAG_PHYEA_ENABLE)
+                return 0;
+
+        switch (jme->pdev->device) {
+        case PCI_DEVICE_ID_JMICRON_JMC250:
+                if (((jme->chip_main_rev == 5) &&
+                        ((jme->chip_sub_rev == 0) || (jme->chip_sub_rev == 1) ||
+                        (jme->chip_sub_rev == 3))) ||
+                        (jme->chip_main_rev >= 6)) {
+                        phy_comm0 = 0x008A;
+                        phy_comm1 = 0x4109;
+                }
+                if ((jme->chip_main_rev == 3) &&
+                        ((jme->chip_sub_rev == 1) || (jme->chip_sub_rev == 2)))
+                        phy_comm0 = 0xE088;
+                break;
+        case PCI_DEVICE_ID_JMICRON_JMC260:
+                if (((jme->chip_main_rev == 5) &&
+                        ((jme->chip_sub_rev == 0) || (jme->chip_sub_rev == 1) ||
+                        (jme->chip_sub_rev == 3))) ||
+                        (jme->chip_main_rev >= 6)) {
+                        phy_comm0 = 0x008A;
+                        phy_comm1 = 0x4109;
+                }
+                if ((jme->chip_main_rev == 3) &&
+                        ((jme->chip_sub_rev == 1) || (jme->chip_sub_rev == 2)))
+                        phy_comm0 = 0xE088;
+                if ((jme->chip_main_rev == 2) && (jme->chip_sub_rev == 0))
+                        phy_comm0 = 0x608A;
+                if ((jme->chip_main_rev == 2) && (jme->chip_sub_rev == 2))
+                        phy_comm0 = 0x408A;
+                break;
+        default:
+                return -ENODEV;
+        }
+        if (phy_comm0)
+                jme_phy_specreg_write(jme, JM_PHY_EXT_COMM_0_REG, phy_comm0);
+        if (phy_comm1)
+                jme_phy_specreg_write(jme, JM_PHY_EXT_COMM_1_REG, phy_comm1);
+
+        return 0;
+}
+
+static int
 jme_open(struct net_device *netdev)
 {
         struct jme_adapter *jme = netdev_priv(netdev);
@@ -1769,7 +1875,8 @@ jme_open(struct net_device *netdev)
                 jme_set_settings(netdev, &jme->old_ecmd);
         else
                 jme_reset_phy_processor(jme);
-
+        jme_phy_calibration(jme);
+        jme_phy_setEA(jme);
         jme_reset_link(jme);
 
         return 0;
@@ -3184,7 +3291,8 @@ jme_resume(struct device *dev)
                 jme_set_settings(netdev, &jme->old_ecmd);
         else
                 jme_reset_phy_processor(jme);
-
+        jme_phy_calibration(jme);
+        jme_phy_setEA(jme);
         jme_start_irq(jme);
         netif_device_attach(netdev);
 
@@ -3239,4 +3347,3 @@ MODULE_DESCRIPTION("JMicron JMC2x0 PCI Express Ethernet driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(DRV_VERSION);
 MODULE_DEVICE_TABLE(pci, jme_pci_tbl);
-
diff --git a/drivers/net/ethernet/jme.h b/drivers/net/ethernet/jme.h
index 02ea27c1dcb5..4304072bd3c5 100644
--- a/drivers/net/ethernet/jme.h
+++ b/drivers/net/ethernet/jme.h
@@ -760,6 +760,25 @@ enum jme_rxmcs_bits {
                                   RXMCS_CHECKSUM,
 };
 
+/*      Extern PHY common register 2    */
+
+#define PHY_GAD_TEST_MODE_1                     0x00002000
+#define PHY_GAD_TEST_MODE_MSK                   0x0000E000
+#define JM_PHY_SPEC_REG_READ                    0x00004000
+#define JM_PHY_SPEC_REG_WRITE                   0x00008000
+#define PHY_CALIBRATION_DELAY                   20
+#define JM_PHY_SPEC_ADDR_REG                    0x1E
+#define JM_PHY_SPEC_DATA_REG                    0x1F
+
+#define JM_PHY_EXT_COMM_0_REG                   0x30
+#define JM_PHY_EXT_COMM_1_REG                   0x31
+#define JM_PHY_EXT_COMM_2_REG                   0x32
+#define JM_PHY_EXT_COMM_2_CALI_ENABLE           0x01
+#define JM_PHY_EXT_COMM_2_CALI_MODE_0           0x02
+#define JM_PHY_EXT_COMM_2_CALI_LATCH            0x10
+#define PCI_PRIV_SHARE_NICCTRL                  0xF5
+#define JME_FLAG_PHYEA_ENABLE                   0x2
+
 /*
  * Wakeup Frame setup interface registers
  */
diff --git a/drivers/net/ethernet/pasemi/Makefile b/drivers/net/ethernet/pasemi/Makefile
index 05db5434bafc..90497ffb1ac3 100644
--- a/drivers/net/ethernet/pasemi/Makefile
+++ b/drivers/net/ethernet/pasemi/Makefile
@@ -2,4 +2,5 @@
 # Makefile for the A Semi network device drivers.
 #
 
-obj-$(CONFIG_PASEMI_MAC) += pasemi_mac.o pasemi_mac_ethtool.o
+obj-$(CONFIG_PASEMI_MAC) += pasemi_mac_driver.o
+pasemi_mac_driver-objs := pasemi_mac.o pasemi_mac_ethtool.o
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge.h b/drivers/net/ethernet/qlogic/qlge/qlge.h
index 8731f79c9efc..b8478aab050e 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge.h
+++ b/drivers/net/ethernet/qlogic/qlge/qlge.h
@@ -58,10 +58,8 @@
 
 
 #define TX_DESC_PER_IOCB 8
-/* The maximum number of frags we handle is based
- * on PAGE_SIZE...
- */
-#if (PAGE_SHIFT == 12) || (PAGE_SHIFT == 13)    /* 4k & 8k pages */
+
+#if ((MAX_SKB_FRAGS - TX_DESC_PER_IOCB) + 2) > 0
 #define TX_DESC_PER_OAL ((MAX_SKB_FRAGS - TX_DESC_PER_IOCB) + 2)
 #else /* all other page sizes */
 #define TX_DESC_PER_OAL 0
@@ -1353,7 +1351,7 @@ struct tx_ring_desc {
         struct ob_mac_iocb_req *queue_entry;
         u32 index;
         struct oal oal;
-        struct map_list map[MAX_SKB_FRAGS + 1];
+        struct map_list map[MAX_SKB_FRAGS + 2];
         int map_cnt;
         struct tx_ring_desc *next;
 };
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 6f06aa10f0d7..67bf07819992 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -1183,11 +1183,13 @@ static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr)
         return value;
 }
 
-static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr)
+static void rtl8169_irq_mask_and_ack(struct rtl8169_private *tp)
 {
-        RTL_W16(IntrMask, 0x0000);
+        void __iomem *ioaddr = tp->mmio_addr;
 
-        RTL_W16(IntrStatus, 0xffff);
+        RTL_W16(IntrMask, 0x0000);
+        RTL_W16(IntrStatus, tp->intr_event);
+        RTL_R8(ChipCmd);
 }
 
 static unsigned int rtl8169_tbi_reset_pending(struct rtl8169_private *tp)
@@ -3933,8 +3935,6 @@ static void rtl_hw_reset(struct rtl8169_private *tp)
                         break;
                 udelay(100);
         }
-
-        rtl8169_init_ring_indexes(tp);
 }
 
 static int __devinit
@@ -4339,7 +4339,7 @@ static void rtl8169_hw_reset(struct rtl8169_private *tp)
         void __iomem *ioaddr = tp->mmio_addr;
 
         /* Disable interrupts */
-        rtl8169_irq_mask_and_ack(ioaddr);
+        rtl8169_irq_mask_and_ack(tp);
 
         rtl_rx_close(tp);
 
@@ -4885,8 +4885,7 @@ static void rtl_hw_start_8168(struct net_device *dev)
         RTL_W16(IntrMitigate, 0x5151);
 
         /* Work around for RxFIFO overflow. */
-        if (tp->mac_version == RTL_GIGA_MAC_VER_11 ||
-            tp->mac_version == RTL_GIGA_MAC_VER_22) {
+        if (tp->mac_version == RTL_GIGA_MAC_VER_11) {
                 tp->intr_event |= RxFIFOOver | PCSTimeout;
                 tp->intr_event &= ~RxOverflow;
         }
@@ -5076,6 +5075,11 @@ static void rtl_hw_start_8101(struct net_device *dev)
         void __iomem *ioaddr = tp->mmio_addr;
         struct pci_dev *pdev = tp->pci_dev;
 
+        if (tp->mac_version >= RTL_GIGA_MAC_VER_30) {
+                tp->intr_event &= ~RxFIFOOver;
+                tp->napi_event &= ~RxFIFOOver;
+        }
+
         if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
             tp->mac_version == RTL_GIGA_MAC_VER_16) {
                 int cap = pci_pcie_cap(pdev);
@@ -5342,7 +5346,7 @@ static void rtl8169_wait_for_quiescence(struct net_device *dev)
         /* Wait for any pending NAPI task to complete */
         napi_disable(&tp->napi);
 
-        rtl8169_irq_mask_and_ack(ioaddr);
+        rtl8169_irq_mask_and_ack(tp);
 
         tp->intr_mask = 0xffff;
         RTL_W16(IntrMask, tp->intr_event);
@@ -5389,14 +5393,16 @@ static void rtl8169_reset_task(struct work_struct *work)
         if (!netif_running(dev))
                 goto out_unlock;
 
+        rtl8169_hw_reset(tp);
+
         rtl8169_wait_for_quiescence(dev);
 
         for (i = 0; i < NUM_RX_DESC; i++)
                 rtl8169_mark_to_asic(tp->RxDescArray + i, rx_buf_sz);
 
         rtl8169_tx_clear(tp);
+        rtl8169_init_ring_indexes(tp);
 
-        rtl8169_hw_reset(tp);
         rtl_hw_start(dev);
         netif_wake_queue(dev);
         rtl8169_check_link_status(dev, tp, tp->mmio_addr);
@@ -5407,11 +5413,6 @@ out_unlock:
 
 static void rtl8169_tx_timeout(struct net_device *dev)
 {
-        struct rtl8169_private *tp = netdev_priv(dev);
-
-        rtl8169_hw_reset(tp);
-
-        /* Let's wait a bit while any (async) irq lands on */
         rtl8169_schedule_work(dev, rtl8169_reset_task);
 }
 
@@ -5804,6 +5805,10 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
          */
         status = RTL_R16(IntrStatus);
         while (status && status != 0xffff) {
+                status &= tp->intr_event;
+                if (!status)
+                        break;
+
                 handled = 1;
 
                 /* Handle all of the error cases first. These will reset
@@ -5818,27 +5823,9 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
                         switch (tp->mac_version) {
                         /* Work around for rx fifo overflow */
                         case RTL_GIGA_MAC_VER_11:
-                        case RTL_GIGA_MAC_VER_22:
-                        case RTL_GIGA_MAC_VER_26:
                                 netif_stop_queue(dev);
                                 rtl8169_tx_timeout(dev);
                                 goto done;
-                        /* Testers needed. */
-                        case RTL_GIGA_MAC_VER_17:
-                        case RTL_GIGA_MAC_VER_19:
-                        case RTL_GIGA_MAC_VER_20:
-                        case RTL_GIGA_MAC_VER_21:
-                        case RTL_GIGA_MAC_VER_23:
-                        case RTL_GIGA_MAC_VER_24:
-                        case RTL_GIGA_MAC_VER_27:
-                        case RTL_GIGA_MAC_VER_28:
-                        case RTL_GIGA_MAC_VER_31:
-                        /* Experimental science. Pktgen proof. */
-                        case RTL_GIGA_MAC_VER_12:
-                        case RTL_GIGA_MAC_VER_25:
-                                if (status == RxFIFOOver)
-                                        goto done;
-                                break;
                         default:
                                 break;
                         }
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 8ea770a89f25..72cd190b9c1a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -781,10 +781,15 @@ static void stmmac_mmc_setup(struct stmmac_priv *priv)
         unsigned int mode = MMC_CNTRL_RESET_ON_READ | MMC_CNTRL_COUNTER_RESET |
                             MMC_CNTRL_PRESET | MMC_CNTRL_FULL_HALF_PRESET;
 
-        /* Do not manage MMC IRQ (FIXME) */
+        /* Mask MMC irq, counters are managed in SW and registers
+         * are cleared on each READ eventually. */
         dwmac_mmc_intr_all_mask(priv->ioaddr);
-        dwmac_mmc_ctrl(priv->ioaddr, mode);
-        memset(&priv->mmc, 0, sizeof(struct stmmac_counters));
+
+        if (priv->dma_cap.rmon) {
+                dwmac_mmc_ctrl(priv->ioaddr, mode);
+                memset(&priv->mmc, 0, sizeof(struct stmmac_counters));
+        } else
+                pr_info(" No MAC Management Counters available");
 }
 
 static u32 stmmac_get_synopsys_id(struct stmmac_priv *priv)
@@ -1012,8 +1017,7 @@ static int stmmac_open(struct net_device *dev)
         memset(&priv->xstats, 0, sizeof(struct stmmac_extra_stats));
         priv->xstats.threshold = tc;
 
-        if (priv->dma_cap.rmon)
-                stmmac_mmc_setup(priv);
+        stmmac_mmc_setup(priv);
 
         /* Start the ball rolling... */
         DBG(probe, DEBUG, "%s: DMA RX/TX processes started...\n", dev->name);
diff --git a/drivers/net/ethernet/tile/tilepro.c b/drivers/net/ethernet/tile/tilepro.c
index 10826d8a2a2d..1187a1169eb2 100644
--- a/drivers/net/ethernet/tile/tilepro.c
+++ b/drivers/net/ethernet/tile/tilepro.c
@@ -926,7 +926,7 @@ static int tile_net_poll(struct napi_struct *napi, int budget)
                 goto done;
 
         /* Re-enable the ingress interrupt. */
-        enable_percpu_irq(priv->intr_id);
+        enable_percpu_irq(priv->intr_id, 0);
 
         /* HACK: Avoid the "rotting packet" problem (see above). */
         if (qup->__packet_receive_read !=
@@ -1296,7 +1296,7 @@ static void tile_net_open_enable(void *dev_ptr)
         info->napi_enabled = true;
 
         /* Enable the ingress interrupt. */
-        enable_percpu_irq(priv->intr_id);
+        enable_percpu_irq(priv->intr_id, 0);
 }
 
 
@@ -1697,7 +1697,7 @@ static unsigned int tile_net_tx_frags(lepp_frag_t *frags,
         for (i = 0; i < sh->nr_frags; i++) {
 
                 skb_frag_t *f = &sh->frags[i];
-                unsigned long pfn = page_to_pfn(f->page);
+                unsigned long pfn = page_to_pfn(skb_frag_page(f));
 
                 /* FIXME: Compute "hash_for_home" properly. */
                 /* ISSUE: The hypervisor checks CHIP_HAS_REV1_DMA_PACKETS(). */
@@ -1706,7 +1706,7 @@ static unsigned int tile_net_tx_frags(lepp_frag_t *frags,
                 /* FIXME: Hmmm. */
                 if (!hash_default) {
                         void *va = pfn_to_kaddr(pfn) + f->page_offset;
-                        BUG_ON(PageHighMem(f->page));
+                        BUG_ON(PageHighMem(skb_frag_page(f)));
                         finv_buffer_remote(va, f->size, 0);
                 }
 
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index bb88e12101c7..a70244306c94 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -3,7 +3,7 @@
 #
 
 menuconfig PHYLIB
-        bool "PHY Device support and infrastructure"
+        tristate "PHY Device support and infrastructure"
         depends on !S390
         depends on NETDEVICES
         help
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 2f91acccb7db..8873c6e6fb96 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1827,7 +1827,8 @@ static void ath9k_set_power_sleep(struct ath_hw *ah, int setChip)
         }
 
         /* Clear Bit 14 of AR_WA after putting chip into Full Sleep mode. */
-        REG_WRITE(ah, AR_WA, ah->WARegVal & ~AR_WA_D3_L1_DISABLE);
+        if (AR_SREV_9300_20_OR_LATER(ah))
+                REG_WRITE(ah, AR_WA, ah->WARegVal & ~AR_WA_D3_L1_DISABLE);
 }
 
 /*
diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index e12b48c2cff6..dd008b0e6417 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -191,6 +191,7 @@ static struct iwl_base_params iwl1000_base_params = {
         .chain_noise_scale = 1000,
         .wd_timeout = IWL_DEF_WD_TIMEOUT,
         .max_event_log_size = 128,
+        .wd_disable = true,
 };
 static struct iwl_ht_params iwl1000_ht_params = {
         .ht_greenfield_support = true,
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index c511c98a89a8..f55fb2d1af52 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -364,6 +364,7 @@ static struct iwl_base_params iwl5000_base_params = {
         .wd_timeout = IWL_LONG_WD_TIMEOUT,
         .max_event_log_size = 512,
         .no_idle_support = true,
+        .wd_disable = true,
 };
 static struct iwl_ht_params iwl5000_ht_params = {
         .ht_greenfield_support = true,
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
index 58a381c01c89..a7a6def40d05 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
@@ -528,6 +528,24 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
         return 0;
 }
 
+void iwlagn_config_ht40(struct ieee80211_conf *conf,
+        struct iwl_rxon_context *ctx)
+{
+        if (conf_is_ht40_minus(conf)) {
+                ctx->ht.extension_chan_offset =
+                        IEEE80211_HT_PARAM_CHA_SEC_BELOW;
+                ctx->ht.is_40mhz = true;
+        } else if (conf_is_ht40_plus(conf)) {
+                ctx->ht.extension_chan_offset =
+                        IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+                ctx->ht.is_40mhz = true;
+        } else {
+                ctx->ht.extension_chan_offset =
+                        IEEE80211_HT_PARAM_CHA_SEC_NONE;
+                ctx->ht.is_40mhz = false;
+        }
+}
+
 int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
 {
         struct iwl_priv *priv = hw->priv;
@@ -586,19 +604,11 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
                                 ctx->ht.enabled = conf_is_ht(conf);
 
                         if (ctx->ht.enabled) {
-                                if (conf_is_ht40_minus(conf)) {
-                                        ctx->ht.extension_chan_offset =
-                                                IEEE80211_HT_PARAM_CHA_SEC_BELOW;
-                                        ctx->ht.is_40mhz = true;
-                                } else if (conf_is_ht40_plus(conf)) {
-                                        ctx->ht.extension_chan_offset =
-                                                IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
-                                        ctx->ht.is_40mhz = true;
-                                } else {
-                                        ctx->ht.extension_chan_offset =
-                                                IEEE80211_HT_PARAM_CHA_SEC_NONE;
-                                        ctx->ht.is_40mhz = false;
-                                }
+                                /* if HT40 is used, it should not change
+                                 * after associated except channel switch */
+                                if (iwl_is_associated_ctx(ctx) &&
+                                     !ctx->ht.is_40mhz)
+                                        iwlagn_config_ht40(conf, ctx);
                         } else
                                 ctx->ht.is_40mhz = false;
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
index ed6283623932..4b2aa1da0953 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
@@ -1268,9 +1268,6 @@ int iwl_set_dynamic_key(struct iwl_priv *priv,
 
         switch (keyconf->cipher) {
         case WLAN_CIPHER_SUITE_TKIP:
-                keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
-                keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
-
                 if (sta)
                         addr = sta->addr;
                 else /* station mode case only */
@@ -1283,8 +1280,6 @@ int iwl_set_dynamic_key(struct iwl_priv *priv,
                                           seq.tkip.iv32, p1k, CMD_SYNC);
                 break;
         case WLAN_CIPHER_SUITE_CCMP:
-                keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
-                /* fall through */
         case WLAN_CIPHER_SUITE_WEP40:
         case WLAN_CIPHER_SUITE_WEP104:
                 ret = iwlagn_send_sta_key(priv, keyconf, sta_id,
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index ccba69b7f8a7..bacc06c95e7a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2316,6 +2316,17 @@ static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
                 return -EOPNOTSUPP;
         }
 
+        switch (key->cipher) {
+        case WLAN_CIPHER_SUITE_TKIP:
+                key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
+                /* fall through */
+        case WLAN_CIPHER_SUITE_CCMP:
+                key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
+                break;
+        default:
+                break;
+        }
+
         /*
          * We could program these keys into the hardware as well, but we
          * don't expect much multicast traffic in IBSS and having keys
@@ -2599,21 +2610,9 @@ static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw,
 
         /* Configure HT40 channels */
         ctx->ht.enabled = conf_is_ht(conf);
-        if (ctx->ht.enabled) {
-                if (conf_is_ht40_minus(conf)) {
-                        ctx->ht.extension_chan_offset =
-                                IEEE80211_HT_PARAM_CHA_SEC_BELOW;
-                        ctx->ht.is_40mhz = true;
-                } else if (conf_is_ht40_plus(conf)) {
-                        ctx->ht.extension_chan_offset =
-                                IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
-                        ctx->ht.is_40mhz = true;
-                } else {
-                        ctx->ht.extension_chan_offset =
-                                IEEE80211_HT_PARAM_CHA_SEC_NONE;
-                        ctx->ht.is_40mhz = false;
-                }
-        } else
+        if (ctx->ht.enabled)
+                iwlagn_config_ht40(conf, ctx);
+        else
                 ctx->ht.is_40mhz = false;
 
         if ((le16_to_cpu(ctx->staging.channel) != ch))
@@ -3499,9 +3498,10 @@ MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])");
 module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO);
 MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])");
 
-module_param_named(wd_disable, iwlagn_mod_params.wd_disable, bool, S_IRUGO);
+module_param_named(wd_disable, iwlagn_mod_params.wd_disable, int, S_IRUGO);
 MODULE_PARM_DESC(wd_disable,
-                "Disable stuck queue watchdog timer (default: 0 [enabled])");
+                "Disable stuck queue watchdog timer 0=system default, "
+                "1=disable, 2=enable (default: 0)");
 
 /*
  * set bt_coex_active to true, uCode will do kill/defer
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h
index 5b936ec1a541..3856abaea507 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.h
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.h
@@ -86,6 +86,8 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
                              struct ieee80211_vif *vif,
                              struct ieee80211_bss_conf *bss_conf,
                              u32 changes);
+void iwlagn_config_ht40(struct ieee80211_conf *conf,
+                        struct iwl_rxon_context *ctx);
 
 /* uCode */
 int iwlagn_rx_calib_result(struct iwl_priv *priv,
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 001fdf140abb..fcf54160e4ed 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1810,11 +1810,23 @@ void iwl_setup_watchdog(struct iwl_priv *priv)
 {
         unsigned int timeout = priv->cfg->base_params->wd_timeout;
 
-        if (timeout && !iwlagn_mod_params.wd_disable)
-                mod_timer(&priv->watchdog,
-                          jiffies + msecs_to_jiffies(IWL_WD_TICK(timeout)));
-        else
-                del_timer(&priv->watchdog);
+        if (!iwlagn_mod_params.wd_disable) {
+                /* use system default */
+                if (timeout && !priv->cfg->base_params->wd_disable)
+                        mod_timer(&priv->watchdog,
+                                jiffies +
+                                msecs_to_jiffies(IWL_WD_TICK(timeout)));
+                else
+                        del_timer(&priv->watchdog);
+        } else {
+                /* module parameter overwrite default configuration */
+                if (timeout && iwlagn_mod_params.wd_disable == 2)
+                        mod_timer(&priv->watchdog,
+                                jiffies +
+                                msecs_to_jiffies(IWL_WD_TICK(timeout)));
+                else
+                        del_timer(&priv->watchdog);
+        }
 }
 
 /**
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 137da3380704..f2fc288f3dd3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -113,6 +113,7 @@ struct iwl_lib_ops {
  * @shadow_reg_enable: HW shadhow register bit
  * @no_idle_support: do not support idle mode
  * @hd_v2: v2 of enhanced sensitivity value, used for 2000 series and up
+ * wd_disable: disable watchdog timer
  */
 struct iwl_base_params {
         int eeprom_size;
@@ -134,6 +135,7 @@ struct iwl_base_params {
         const bool shadow_reg_enable;
         const bool no_idle_support;
         const bool hd_v2;
+        const bool wd_disable;
 };
 /*
  * @advanced_bt_coexist: support advanced bt coexist
diff --git a/drivers/net/wireless/iwlwifi/iwl-shared.h b/drivers/net/wireless/iwlwifi/iwl-shared.h
index 1f7a93c67c45..14eaf37ce3b1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-shared.h
+++ b/drivers/net/wireless/iwlwifi/iwl-shared.h
@@ -120,7 +120,7 @@ extern struct iwl_mod_params iwlagn_mod_params;
  * @restart_fw: restart firmware, default = 1
  * @plcp_check: enable plcp health check, default = true
  * @ack_check: disable ack health check, default = false
- * @wd_disable: enable stuck queue check, default = false
+ * @wd_disable: enable stuck queue check, default = 0
  * @bt_coex_active: enable bt coex, default = true
  * @led_mode: system default, default = 0
  * @no_sleep_autoadjust: disable autoadjust, default = true
@@ -141,7 +141,7 @@ struct iwl_mod_params {
         int restart_fw;
         bool plcp_check;
         bool ack_check;
-        bool wd_disable;
+        int  wd_disable;
         bool bt_coex_active;
         int led_mode;
         bool no_sleep_autoadjust;
diff --git a/drivers/net/wireless/p54/p54spi.c b/drivers/net/wireless/p54/p54spi.c
index f18df82eeb92..78d0d6988553 100644
--- a/drivers/net/wireless/p54/p54spi.c
+++ b/drivers/net/wireless/p54/p54spi.c
@@ -588,8 +588,6 @@ static void p54spi_op_stop(struct ieee80211_hw *dev)
 
         WARN_ON(priv->fw_state != FW_STATE_READY);
 
-        cancel_work_sync(&priv->work);
-
         p54spi_power_off(priv);
         spin_lock_irqsave(&priv->tx_lock, flags);
         INIT_LIST_HEAD(&priv->tx_pending);
@@ -597,6 +595,8 @@ static void p54spi_op_stop(struct ieee80211_hw *dev)
 
         priv->fw_state = FW_STATE_OFF;
         mutex_unlock(&priv->mutex);
+
+        cancel_work_sync(&priv->work);
 }
 
 static int __devinit p54spi_probe(struct spi_device *spi)
@@ -656,6 +656,7 @@ static int __devinit p54spi_probe(struct spi_device *spi)
         init_completion(&priv->fw_comp);
         INIT_LIST_HEAD(&priv->tx_pending);
         mutex_init(&priv->mutex);
+        spin_lock_init(&priv->tx_lock);
         SET_IEEE80211_DEV(hw, &spi->dev);
         priv->common.open = p54spi_op_start;
         priv->common.stop = p54spi_op_stop;
diff --git a/drivers/net/wireless/prism54/isl_ioctl.c b/drivers/net/wireless/prism54/isl_ioctl.c
index d97a2caf582b..bc2ba80c47bb 100644
--- a/drivers/net/wireless/prism54/isl_ioctl.c
+++ b/drivers/net/wireless/prism54/isl_ioctl.c
@@ -778,7 +778,7 @@ prism54_get_essid(struct net_device *ndev, struct iw_request_info *info,
                 dwrq->flags = 0;
                 dwrq->length = 0;
         }
-        essid->octets[essid->length] = '\0';
+        essid->octets[dwrq->length] = '\0';
         memcpy(extra, essid->octets, dwrq->length);
         kfree(essid);
 
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 3f183a15186e..1ba079dffb11 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -3771,7 +3771,7 @@ static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i)
         /* Apparently the data is read from end to start */
         rt2800_register_read_lock(rt2x00dev, EFUSE_DATA3, &reg);
         /* The returned value is in CPU order, but eeprom is le */
-        rt2x00dev->eeprom[i] = cpu_to_le32(reg);
+        *(u32 *)&rt2x00dev->eeprom[i] = cpu_to_le32(reg);
         rt2800_register_read_lock(rt2x00dev, EFUSE_DATA2, &reg);
         *(u32 *)&rt2x00dev->eeprom[i + 2] = cpu_to_le32(reg);
         rt2800_register_read_lock(rt2x00dev, EFUSE_DATA1, &reg);
diff --git a/drivers/net/wireless/rtlwifi/ps.c b/drivers/net/wireless/rtlwifi/ps.c
index db5262844543..55c8e50f45fd 100644
--- a/drivers/net/wireless/rtlwifi/ps.c
+++ b/drivers/net/wireless/rtlwifi/ps.c
@@ -395,7 +395,7 @@ void rtl_lps_enter(struct ieee80211_hw *hw)
         if (mac->link_state != MAC80211_LINKED)
                 return;
 
-        spin_lock(&rtlpriv->locks.lps_lock);
+        spin_lock_irq(&rtlpriv->locks.lps_lock);
 
         /* Idle for a while if we connect to AP a while ago. */
         if (mac->cnt_after_linked >= 2) {
@@ -407,7 +407,7 @@ void rtl_lps_enter(struct ieee80211_hw *hw)
                 }
         }
 
-        spin_unlock(&rtlpriv->locks.lps_lock);
+        spin_unlock_irq(&rtlpriv->locks.lps_lock);
 }
 
 /*Leave the leisure power save mode.*/
@@ -416,8 +416,9 @@ void rtl_lps_leave(struct ieee80211_hw *hw)
         struct rtl_priv *rtlpriv = rtl_priv(hw);
         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+        unsigned long flags;
 
-        spin_lock(&rtlpriv->locks.lps_lock);
+        spin_lock_irqsave(&rtlpriv->locks.lps_lock, flags);
 
         if (ppsc->fwctrl_lps) {
                 if (ppsc->dot11_psmode != EACTIVE) {
@@ -438,7 +439,7 @@ void rtl_lps_leave(struct ieee80211_hw *hw)
                         rtl_lps_set_psmode(hw, EACTIVE);
                 }
         }
-        spin_unlock(&rtlpriv->locks.lps_lock);
+        spin_unlock_irqrestore(&rtlpriv->locks.lps_lock, flags);
 }
 
 /* For sw LPS*/
@@ -539,9 +540,9 @@ void rtl_swlps_rf_awake(struct ieee80211_hw *hw)
                 RT_CLEAR_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM);
         }
 
-        spin_lock(&rtlpriv->locks.lps_lock);
+        spin_lock_irq(&rtlpriv->locks.lps_lock);
         rtl_ps_set_rf_state(hw, ERFON, RF_CHANGE_BY_PS);
-        spin_unlock(&rtlpriv->locks.lps_lock);
+        spin_unlock_irq(&rtlpriv->locks.lps_lock);
 }
 
 void rtl_swlps_rfon_wq_callback(void *data)
@@ -574,9 +575,9 @@ void rtl_swlps_rf_sleep(struct ieee80211_hw *hw)
         if (rtlpriv->link_info.busytraffic)
                 return;
 
-        spin_lock(&rtlpriv->locks.lps_lock);
+        spin_lock_irq(&rtlpriv->locks.lps_lock);
         rtl_ps_set_rf_state(hw, ERFSLEEP, RF_CHANGE_BY_PS);
-        spin_unlock(&rtlpriv->locks.lps_lock);
+        spin_unlock_irq(&rtlpriv->locks.lps_lock);
 
         if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_ASPM &&
                 !RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM)) {
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 0cb594c86090..15e332d08c8d 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -1021,7 +1021,7 @@ static int xen_netbk_tx_check_gop(struct xen_netbk *netbk,
                 pending_idx = *((u16 *)skb->data);
                 xen_netbk_idx_release(netbk, pending_idx);
                 for (j = start; j < i; j++) {
-                        pending_idx = frag_get_pending_idx(&shinfo->frags[i]);
+                        pending_idx = frag_get_pending_idx(&shinfo->frags[j]);
                         xen_netbk_idx_release(netbk, pending_idx);
                 }
 
@@ -1668,7 +1668,7 @@ static int __init netback_init(void)
                                              "netback/%u", group);
 
                 if (IS_ERR(netbk->task)) {
-                        printk(KERN_ALERT "kthread_run() fails at netback\n");
+                        printk(KERN_ALERT "kthread_create() fails at netback\n");
                         del_timer(&netbk->net_timer);
                         rc = PTR_ERR(netbk->task);
                         goto failed_init;
diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index 791270b8bd1c..0f0cfa3bca30 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -26,11 +26,6 @@
 #include <linux/string.h>
 #include <linux/slab.h>
 
-/* For archs that don't support NO_IRQ (such as x86), provide a dummy value */
-#ifndef NO_IRQ
-#define NO_IRQ 0
-#endif
-
 /**
  * irq_of_parse_and_map - Parse and map an interrupt into linux virq space
  * @device: Device node of the device whose interrupt is to be mapped
@@ -44,7 +39,7 @@ unsigned int irq_of_parse_and_map(struct device_node *dev, int index)
         struct of_irq oirq;
 
         if (of_irq_map_one(dev, index, &oirq))
-                return NO_IRQ;
+                return 0;
 
         return irq_create_of_mapping(oirq.controller, oirq.specifier,
                                      oirq.size);
@@ -345,7 +340,7 @@ int of_irq_to_resource(struct device_node *dev, int index, struct resource *r)
 
         /* Only dereference the resource if both the
          * resource and the irq are valid. */
-        if (r && irq != NO_IRQ) {
+        if (r && irq) {
                 r->start = r->end = irq;
                 r->flags = IORESOURCE_IRQ;
                 r->name = dev->full_name;
@@ -363,7 +358,7 @@ int of_irq_count(struct device_node *dev)
 {
         int nr = 0;
 
-        while (of_irq_to_resource(dev, nr, NULL) != NO_IRQ)
+        while (of_irq_to_resource(dev, nr, NULL))
                 nr++;
 
         return nr;
@@ -383,7 +378,7 @@ int of_irq_to_resource_table(struct device_node *dev, struct resource *res,
         int i;
 
         for (i = 0; i < nr_irqs; i++, res++)
-                if (of_irq_to_resource(dev, i, res) == NO_IRQ)
+                if (!of_irq_to_resource(dev, i, res))
                         break;
 
         return i;
@@ -424,6 +419,8 @@ void __init of_irq_init(const struct of_device_id *matches)
 
                 desc->dev = np;
                 desc->interrupt_parent = of_irq_find_parent(np);
+                if (desc->interrupt_parent == np)
+                        desc->interrupt_parent = NULL;
                 list_add_tail(&desc->list, &intc_desc_list);
         }
 
diff --git a/drivers/oprofile/oprof.c b/drivers/oprofile/oprof.c
index dccd8636095c..f8c752e408a6 100644
--- a/drivers/oprofile/oprof.c
+++ b/drivers/oprofile/oprof.c
@@ -239,26 +239,45 @@ int oprofile_set_ulong(unsigned long *addr, unsigned long val)
         return err;
 }
 
+static int timer_mode;
+
 static int __init oprofile_init(void)
 {
         int err;
 
+        /* always init architecture to setup backtrace support */
         err = oprofile_arch_init(&oprofile_ops);
-        if (err < 0 || timer) {
-                printk(KERN_INFO "oprofile: using timer interrupt.\n");
+
+        timer_mode = err || timer;      /* fall back to timer mode on errors */
+        if (timer_mode) {
+                if (!err)
+                        oprofile_arch_exit();
                 err = oprofile_timer_init(&oprofile_ops);
                 if (err)
                         return err;
         }
-        return oprofilefs_register();
+
+        err = oprofilefs_register();
+        if (!err)
+                return 0;
+
+        /* failed */
+        if (timer_mode)
+                oprofile_timer_exit();
+        else
+                oprofile_arch_exit();
+
+        return err;
 }
 
 
 static void __exit oprofile_exit(void)
 {
-        oprofile_timer_exit();
         oprofilefs_unregister();
-        oprofile_arch_exit();
+        if (timer_mode)
+                oprofile_timer_exit();
+        else
+                oprofile_arch_exit();
 }
 
 
diff --git a/drivers/oprofile/timer_int.c b/drivers/oprofile/timer_int.c
index 3ef44624f510..878fba126582 100644
--- a/drivers/oprofile/timer_int.c
+++ b/drivers/oprofile/timer_int.c
@@ -110,6 +110,7 @@ int oprofile_timer_init(struct oprofile_operations *ops)
         ops->start = oprofile_hrtimer_start;
         ops->stop = oprofile_hrtimer_stop;
         ops->cpu_type = "timer";
+        printk(KERN_INFO "oprofile: using timer interrupt.\n");
         return 0;
 }
 
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index 13ef8c37471d..dcdc1f4a4624 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -121,6 +121,7 @@ struct toshiba_acpi_dev {
         int illumination_supported:1;
         int video_supported:1;
         int fan_supported:1;
+        int system_event_supported:1;
 
         struct mutex mutex;
 };
@@ -724,7 +725,7 @@ static int keys_proc_show(struct seq_file *m, void *v)
         u32 hci_result;
         u32 value;
 
-        if (!dev->key_event_valid) {
+        if (!dev->key_event_valid && dev->system_event_supported) {
                 hci_read1(dev, HCI_SYSTEM_EVENT, &value, &hci_result);
                 if (hci_result == HCI_SUCCESS) {
                         dev->key_event_valid = 1;
@@ -964,6 +965,8 @@ static int __devinit toshiba_acpi_add(struct acpi_device *acpi_dev)
 
         /* enable event fifo */
         hci_write1(dev, HCI_SYSTEM_EVENT, 1, &hci_result);
+        if (hci_result == HCI_SUCCESS)
+                dev->system_event_supported = 1;
 
         props.type = BACKLIGHT_PLATFORM;
         props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1;
@@ -1032,12 +1035,15 @@ static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event)
 {
         struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev);
         u32 hci_result, value;
+        int retries = 3;
 
-        if (event != 0x80)
+        if (!dev->system_event_supported || event != 0x80)
                 return;
+
         do {
                 hci_read1(dev, HCI_SYSTEM_EVENT, &value, &hci_result);
-                if (hci_result == HCI_SUCCESS) {
+                switch (hci_result) {
+                case HCI_SUCCESS:
                         if (value == 0x100)
                                 continue;
                         /* act on key press; ignore key release */
@@ -1049,14 +1055,19 @@ static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event)
                                 pr_info("Unknown key %x\n",
                                        value);
                         }
-                } else if (hci_result == HCI_NOT_SUPPORTED) {
+                        break;
+                case HCI_NOT_SUPPORTED:
                         /* This is a workaround for an unresolved issue on
                          * some machines where system events sporadically
                          * become disabled. */
                         hci_write1(dev, HCI_SYSTEM_EVENT, 1, &hci_result);
                         pr_notice("Re-enabled hotkeys\n");
+                        /* fall through */
+                default:
+                        retries--;
+                        break;
                 }
-        } while (hci_result != HCI_EMPTY);
+        } while (retries && hci_result != HCI_EMPTY);
 }
 
 
diff --git a/drivers/power/intel_mid_battery.c b/drivers/power/intel_mid_battery.c
index cffcb7c00b00..01fa671ec97f 100644
--- a/drivers/power/intel_mid_battery.c
+++ b/drivers/power/intel_mid_battery.c
@@ -61,7 +61,8 @@ MODULE_PARM_DESC(debug, "Flag to enable PMIC Battery debug messages.");
 #define PMIC_BATT_CHR_SBATDET_MASK      (1 << 5)
 #define PMIC_BATT_CHR_SDCLMT_MASK       (1 << 6)
 #define PMIC_BATT_CHR_SUSBOVP_MASK      (1 << 7)
-#define PMIC_BATT_CHR_EXCPT_MASK        0xC6
+#define PMIC_BATT_CHR_EXCPT_MASK        0x86
+
 #define PMIC_BATT_ADC_ACCCHRG_MASK      (1 << 31)
 #define PMIC_BATT_ADC_ACCCHRGVAL_MASK   0x7FFFFFFF
 
@@ -304,11 +305,6 @@ static void pmic_battery_read_status(struct pmic_power_module_info *pbi)
                         pbi->batt_status = POWER_SUPPLY_STATUS_NOT_CHARGING;
                         pmic_battery_log_event(BATT_EVENT_BATOVP_EXCPT);
                         batt_exception = 1;
-                } else if (r8 & PMIC_BATT_CHR_SDCLMT_MASK) {
-                        pbi->batt_health = POWER_SUPPLY_HEALTH_OVERVOLTAGE;
-                        pbi->batt_status = POWER_SUPPLY_STATUS_NOT_CHARGING;
-                        pmic_battery_log_event(BATT_EVENT_DCLMT_EXCPT);
-                        batt_exception = 1;
                 } else if (r8 & PMIC_BATT_CHR_STEMP_MASK) {
                         pbi->batt_health = POWER_SUPPLY_HEALTH_OVERHEAT;
                         pbi->batt_status = POWER_SUPPLY_STATUS_NOT_CHARGING;
@@ -316,6 +312,10 @@ static void pmic_battery_read_status(struct pmic_power_module_info *pbi)
                         batt_exception = 1;
                 } else {
                         pbi->batt_health = POWER_SUPPLY_HEALTH_GOOD;
+                        if (r8 & PMIC_BATT_CHR_SDCLMT_MASK) {
+                                /* PMIC will change charging current automatically */
+                                pmic_battery_log_event(BATT_EVENT_DCLMT_EXCPT);
+                        }
                 }
         }
 
diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c
index cf3f9997546d..10451a15e828 100644
--- a/drivers/ptp/ptp_clock.c
+++ b/drivers/ptp/ptp_clock.c
@@ -101,7 +101,9 @@ static s32 scaled_ppm_to_ppb(long ppm)
 
 static int ptp_clock_getres(struct posix_clock *pc, struct timespec *tp)
 {
-        return 1; /* always round timer functions to one nanosecond */
+        tp->tv_sec = 0;
+        tp->tv_nsec = 1;
+        return 0;
 }
 
 static int ptp_clock_settime(struct posix_clock *pc, const struct timespec *tp)
diff --git a/drivers/rapidio/devices/tsi721.c b/drivers/rapidio/devices/tsi721.c
index 5225930a10cd..691b1ab1a3d0 100644
--- a/drivers/rapidio/devices/tsi721.c
+++ b/drivers/rapidio/devices/tsi721.c
@@ -851,14 +851,12 @@ static int tsi721_doorbell_init(struct tsi721_device *priv)
         INIT_WORK(&priv->idb_work, tsi721_db_dpc);
 
         /* Allocate buffer for inbound doorbells queue */
-        priv->idb_base = dma_alloc_coherent(&priv->pdev->dev,
+        priv->idb_base = dma_zalloc_coherent(&priv->pdev->dev,
                                 IDB_QSIZE * TSI721_IDB_ENTRY_SIZE,
                                 &priv->idb_dma, GFP_KERNEL);
         if (!priv->idb_base)
                 return -ENOMEM;
 
-        memset(priv->idb_base, 0, IDB_QSIZE * TSI721_IDB_ENTRY_SIZE);
-
         dev_dbg(&priv->pdev->dev, "Allocated IDB buffer @ %p (phys = %llx)\n",
                 priv->idb_base, (unsigned long long)priv->idb_dma);
 
@@ -904,7 +902,7 @@ static int tsi721_bdma_ch_init(struct tsi721_device *priv, int chnum)
          */
 
         /* Allocate space for DMA descriptors */
-        bd_ptr = dma_alloc_coherent(&priv->pdev->dev,
+        bd_ptr = dma_zalloc_coherent(&priv->pdev->dev,
                                         bd_num * sizeof(struct tsi721_dma_desc),
                                         &bd_phys, GFP_KERNEL);
         if (!bd_ptr)
@@ -913,8 +911,6 @@ static int tsi721_bdma_ch_init(struct tsi721_device *priv, int chnum)
         priv->bdma[chnum].bd_phys = bd_phys;
         priv->bdma[chnum].bd_base = bd_ptr;
 
-        memset(bd_ptr, 0, bd_num * sizeof(struct tsi721_dma_desc));
-
         dev_dbg(&priv->pdev->dev, "DMA descriptors @ %p (phys = %llx)\n",
                 bd_ptr, (unsigned long long)bd_phys);
 
@@ -922,7 +918,7 @@ static int tsi721_bdma_ch_init(struct tsi721_device *priv, int chnum)
         sts_size = (bd_num >= TSI721_DMA_MINSTSSZ) ?
                                         bd_num : TSI721_DMA_MINSTSSZ;
         sts_size = roundup_pow_of_two(sts_size);
-        sts_ptr = dma_alloc_coherent(&priv->pdev->dev,
+        sts_ptr = dma_zalloc_coherent(&priv->pdev->dev,
                                      sts_size * sizeof(struct tsi721_dma_sts),
                                      &sts_phys, GFP_KERNEL);
         if (!sts_ptr) {
@@ -938,8 +934,6 @@ static int tsi721_bdma_ch_init(struct tsi721_device *priv, int chnum)
         priv->bdma[chnum].sts_base = sts_ptr;
         priv->bdma[chnum].sts_size = sts_size;
 
-        memset(sts_ptr, 0, sts_size);
-
         dev_dbg(&priv->pdev->dev,
                 "desc status FIFO @ %p (phys = %llx) size=0x%x\n",
                 sts_ptr, (unsigned long long)sts_phys, sts_size);
@@ -1400,7 +1394,7 @@ static int tsi721_open_outb_mbox(struct rio_mport *mport, void *dev_id,
 
         /* Outbound message descriptor status FIFO allocation */
         priv->omsg_ring[mbox].sts_size = roundup_pow_of_two(entries + 1);
-        priv->omsg_ring[mbox].sts_base = dma_alloc_coherent(&priv->pdev->dev,
+        priv->omsg_ring[mbox].sts_base = dma_zalloc_coherent(&priv->pdev->dev,
                         priv->omsg_ring[mbox].sts_size *
                                                 sizeof(struct tsi721_dma_sts),
                         &priv->omsg_ring[mbox].sts_phys, GFP_KERNEL);
@@ -1412,9 +1406,6 @@ static int tsi721_open_outb_mbox(struct rio_mport *mport, void *dev_id,
                 goto out_desc;
         }
 
-        memset(priv->omsg_ring[mbox].sts_base, 0,
-                entries * sizeof(struct tsi721_dma_sts));
-
         /*
          * Configure Outbound Messaging Engine
          */
@@ -2116,8 +2107,8 @@ static int __devinit tsi721_setup_mport(struct tsi721_device *priv)
         INIT_LIST_HEAD(&mport->dbells);
 
         rio_init_dbell_res(&mport->riores[RIO_DOORBELL_RESOURCE], 0, 0xffff);
-        rio_init_mbox_res(&mport->riores[RIO_INB_MBOX_RESOURCE], 0, 0);
-        rio_init_mbox_res(&mport->riores[RIO_OUTB_MBOX_RESOURCE], 0, 0);
+        rio_init_mbox_res(&mport->riores[RIO_INB_MBOX_RESOURCE], 0, 3);
+        rio_init_mbox_res(&mport->riores[RIO_OUTB_MBOX_RESOURCE], 0, 3);
         strcpy(mport->name, "Tsi721 mport");
 
         /* Hook up interrupt handler */
@@ -2163,7 +2154,7 @@ static int __devinit tsi721_probe(struct pci_dev *pdev,
                                   const struct pci_device_id *id)
 {
         struct tsi721_device *priv;
-        int i;
+        int i, cap;
         int err;
         u32 regval;
 
@@ -2271,10 +2262,20 @@ static int __devinit tsi721_probe(struct pci_dev *pdev,
                         dev_info(&pdev->dev, "Unable to set consistent DMA mask\n");
         }
 
-        /* Clear "no snoop" and "relaxed ordering" bits. */
-        pci_read_config_dword(pdev, 0x40 + PCI_EXP_DEVCTL, &regval);
-        regval &= ~(PCI_EXP_DEVCTL_RELAX_EN | PCI_EXP_DEVCTL_NOSNOOP_EN);
-        pci_write_config_dword(pdev, 0x40 + PCI_EXP_DEVCTL, regval);
+        cap = pci_pcie_cap(pdev);
+        BUG_ON(cap == 0);
+
+        /* Clear "no snoop" and "relaxed ordering" bits, use default MRRS. */
+        pci_read_config_dword(pdev, cap + PCI_EXP_DEVCTL, &regval);
+        regval &= ~(PCI_EXP_DEVCTL_READRQ | PCI_EXP_DEVCTL_RELAX_EN |
+                    PCI_EXP_DEVCTL_NOSNOOP_EN);
+        regval |= 0x2 << MAX_READ_REQUEST_SZ_SHIFT;
+        pci_write_config_dword(pdev, cap + PCI_EXP_DEVCTL, regval);
+
+        /* Adjust PCIe completion timeout. */
+        pci_read_config_dword(pdev, cap + PCI_EXP_DEVCTL2, &regval);
+        regval &= ~(0x0f);
+        pci_write_config_dword(pdev, cap + PCI_EXP_DEVCTL2, regval | 0x2);
 
         /*
          * FIXUP: correct offsets of MSI-X tables in the MSI-X Capability Block
diff --git a/drivers/rapidio/devices/tsi721.h b/drivers/rapidio/devices/tsi721.h
index 58be4deb1402..822e54c394d5 100644
--- a/drivers/rapidio/devices/tsi721.h
+++ b/drivers/rapidio/devices/tsi721.h
@@ -72,6 +72,8 @@
 #define TSI721_MSIXPBA_OFFSET   0x2a000
 #define TSI721_PCIECFG_EPCTL    0x400
 
+#define MAX_READ_REQUEST_SZ_SHIFT       12
+
 /*
  * Event Management Registers
  */
diff --git a/drivers/regulator/aat2870-regulator.c b/drivers/regulator/aat2870-regulator.c
index 5abeb3ac3e8d..298c6c6a2795 100644
--- a/drivers/regulator/aat2870-regulator.c
+++ b/drivers/regulator/aat2870-regulator.c
@@ -160,7 +160,7 @@ static struct aat2870_regulator *aat2870_get_regulator(int id)
                         break;
         }
 
-        if (!ri)
+        if (i == ARRAY_SIZE(aat2870_regulators))
                 return NULL;
 
         ri->enable_addr = AAT2870_LDO_EN;
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 669d02160221..938398f3e869 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -2799,8 +2799,8 @@ void regulator_unregister(struct regulator_dev *rdev)
         list_del(&rdev->list);
         if (rdev->supply)
                 regulator_put(rdev->supply);
-        device_unregister(&rdev->dev);
         kfree(rdev->constraints);
+        device_unregister(&rdev->dev);
         mutex_unlock(&regulator_list_mutex);
 }
 EXPORT_SYMBOL_GPL(regulator_unregister);
diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index ee8747f4fa08..11cc308d66e9 100644
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -71,6 +71,7 @@ struct twlreg_info {
 #define VREG_TYPE               1
 #define VREG_REMAP              2
 #define VREG_DEDICATED          3       /* LDO control */
+#define VREG_VOLTAGE_SMPS_4030  9
 /* TWL6030 register offsets */
 #define VREG_TRANS              1
 #define VREG_STATE              2
@@ -514,6 +515,32 @@ static struct regulator_ops twl4030ldo_ops = {
         .get_status     = twl4030reg_get_status,
 };
 
+static int
+twl4030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
+                        unsigned *selector)
+{
+        struct twlreg_info *info = rdev_get_drvdata(rdev);
+        int vsel = DIV_ROUND_UP(min_uV - 600000, 12500);
+
+        twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS_4030,
+                vsel);
+        return 0;
+}
+
+static int twl4030smps_get_voltage(struct regulator_dev *rdev)
+{
+        struct twlreg_info *info = rdev_get_drvdata(rdev);
+        int vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER,
+                VREG_VOLTAGE_SMPS_4030);
+
+        return vsel * 12500 + 600000;
+}
+
+static struct regulator_ops twl4030smps_ops = {
+        .set_voltage    = twl4030smps_set_voltage,
+        .get_voltage    = twl4030smps_get_voltage,
+};
+
 static int twl6030ldo_list_voltage(struct regulator_dev *rdev, unsigned index)
 {
         struct twlreg_info      *info = rdev_get_drvdata(rdev);
@@ -856,6 +883,21 @@ static struct regulator_ops twlsmps_ops = {
                 }, \
         }
 
+#define TWL4030_ADJUSTABLE_SMPS(label, offset, num, turnon_delay, remap_conf) \
+        { \
+        .base = offset, \
+        .id = num, \
+        .delay = turnon_delay, \
+        .remap = remap_conf, \
+        .desc = { \
+                .name = #label, \
+                .id = TWL4030_REG_##label, \
+                .ops = &twl4030smps_ops, \
+                .type = REGULATOR_VOLTAGE, \
+                .owner = THIS_MODULE, \
+                }, \
+        }
+
 #define TWL6030_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts) { \
         .base = offset, \
         .min_mV = min_mVolts, \
@@ -947,8 +989,8 @@ static struct twlreg_info twl_regs[] = {
         TWL4030_ADJUSTABLE_LDO(VINTANA2, 0x43, 12, 100, 0x08),
         TWL4030_FIXED_LDO(VINTDIG, 0x47, 1500, 13, 100, 0x08),
         TWL4030_ADJUSTABLE_LDO(VIO, 0x4b, 14, 1000, 0x08),
-        TWL4030_ADJUSTABLE_LDO(VDD1, 0x55, 15, 1000, 0x08),
-        TWL4030_ADJUSTABLE_LDO(VDD2, 0x63, 16, 1000, 0x08),
+        TWL4030_ADJUSTABLE_SMPS(VDD1, 0x55, 15, 1000, 0x08),
+        TWL4030_ADJUSTABLE_SMPS(VDD2, 0x63, 16, 1000, 0x08),
         TWL4030_FIXED_LDO(VUSB1V5, 0x71, 1500, 17, 100, 0x08),
         TWL4030_FIXED_LDO(VUSB1V8, 0x74, 1800, 18, 100, 0x08),
         TWL4030_FIXED_LDO(VUSB3V1, 0x77, 3100, 19, 150, 0x08),
diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index e8326f26fa2f..dc4c2748bbc3 100644
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -63,7 +63,7 @@ static int rtc_suspend(struct device *dev, pm_message_t mesg)
          */
         delta = timespec_sub(old_system, old_rtc);
         delta_delta = timespec_sub(delta, old_delta);
-        if (abs(delta_delta.tv_sec)  >= 2) {
+        if (delta_delta.tv_sec < -2 || delta_delta.tv_sec >= 2) {
                 /*
                  * if delta_delta is too large, assume time correction
                  * has occured and set old_delta to the current delta.
@@ -97,9 +97,8 @@ static int rtc_resume(struct device *dev)
         rtc_tm_to_time(&tm, &new_rtc.tv_sec);
         new_rtc.tv_nsec = 0;
 
-        if (new_rtc.tv_sec <= old_rtc.tv_sec) {
-                if (new_rtc.tv_sec < old_rtc.tv_sec)
-                        pr_debug("%s:  time travel!\n", dev_name(&rtc->dev));
+        if (new_rtc.tv_sec < old_rtc.tv_sec) {
+                pr_debug("%s:  time travel!\n", dev_name(&rtc->dev));
                 return 0;
         }
 
@@ -116,7 +115,8 @@ static int rtc_resume(struct device *dev)
         sleep_time = timespec_sub(sleep_time,
                         timespec_sub(new_system, old_system));
 
-        timekeeping_inject_sleeptime(&sleep_time);
+        if (sleep_time.tv_sec >= 0)
+                timekeeping_inject_sleeptime(&sleep_time);
         return 0;
 }
 
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 8e286259a007..fa4d9f324189 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -319,6 +319,20 @@ int rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 }
 EXPORT_SYMBOL_GPL(rtc_read_alarm);
 
+static int ___rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
+{
+        int err;
+
+        if (!rtc->ops)
+                err = -ENODEV;
+        else if (!rtc->ops->set_alarm)
+                err = -EINVAL;
+        else
+                err = rtc->ops->set_alarm(rtc->dev.parent, alarm);
+
+        return err;
+}
+
 static int __rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 {
         struct rtc_time tm;
@@ -342,14 +356,7 @@ static int __rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
          * over right here, before we set the alarm.
          */
 
-        if (!rtc->ops)
-                err = -ENODEV;
-        else if (!rtc->ops->set_alarm)
-                err = -EINVAL;
-        else
-                err = rtc->ops->set_alarm(rtc->dev.parent, alarm);
-
-        return err;
+        return ___rtc_set_alarm(rtc, alarm);
 }
 
 int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
@@ -763,6 +770,20 @@ static int rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer)
         return 0;
 }
 
+static void rtc_alarm_disable(struct rtc_device *rtc)
+{
+        struct rtc_wkalrm alarm;
+        struct rtc_time tm;
+
+        __rtc_read_time(rtc, &tm);
+
+        alarm.time = rtc_ktime_to_tm(ktime_add(rtc_tm_to_ktime(tm),
+                                     ktime_set(300, 0)));
+        alarm.enabled = 0;
+
+        ___rtc_set_alarm(rtc, &alarm);
+}
+
 /**
  * rtc_timer_remove - Removes a rtc_timer from the rtc_device timerqueue
  * @rtc rtc device
@@ -784,8 +805,10 @@ static void rtc_timer_remove(struct rtc_device *rtc, struct rtc_timer *timer)
                 struct rtc_wkalrm alarm;
                 int err;
                 next = timerqueue_getnext(&rtc->timerqueue);
-                if (!next)
+                if (!next) {
+                        rtc_alarm_disable(rtc);
                         return;
+                }
                 alarm.time = rtc_ktime_to_tm(next->expires);
                 alarm.enabled = 1;
                 err = __rtc_set_alarm(rtc, &alarm);
@@ -847,7 +870,8 @@ again:
                 err = __rtc_set_alarm(rtc, &alarm);
                 if (err == -ETIME)
                         goto again;
-        }
+        } else
+                rtc_alarm_disable(rtc);
 
         mutex_unlock(&rtc->ops_lock);
 }
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index 7639ab906f02..5b979d9cc332 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -202,7 +202,6 @@ static int s3c_rtc_settime(struct device *dev, struct rtc_time *tm)
         void __iomem *base = s3c_rtc_base;
         int year = tm->tm_year - 100;
 
-        clk_enable(rtc_clk);
         pr_debug("set time %04d.%02d.%02d %02d:%02d:%02d\n",
                  1900 + tm->tm_year, tm->tm_mon, tm->tm_mday,
                  tm->tm_hour, tm->tm_min, tm->tm_sec);
@@ -214,6 +213,7 @@ static int s3c_rtc_settime(struct device *dev, struct rtc_time *tm)
                 return -EINVAL;
         }
 
+        clk_enable(rtc_clk);
         writeb(bin2bcd(tm->tm_sec),  base + S3C2410_RTCSEC);
         writeb(bin2bcd(tm->tm_min),  base + S3C2410_RTCMIN);
         writeb(bin2bcd(tm->tm_hour), base + S3C2410_RTCHOUR);
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index 75c3f1f8fd43..a84631a7391d 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -529,10 +529,7 @@ __s390_vary_chpid_on(struct subchannel_id schid, void *data)
 int chsc_chp_vary(struct chp_id chpid, int on)
 {
         struct channel_path *chp = chpid_to_chp(chpid);
-        struct chp_link link;
 
-        memset(&link, 0, sizeof(struct chp_link));
-        link.chpid = chpid;
         /* Wait until previous actions have settled. */
         css_wait_for_slow_path();
         /*
@@ -542,10 +539,10 @@ int chsc_chp_vary(struct chp_id chpid, int on)
                 /* Try to update the channel path descritor. */
                 chsc_determine_base_channel_path_desc(chpid, &chp->desc);
                 for_each_subchannel_staged(s390_subchannel_vary_chpid_on,
-                                           __s390_vary_chpid_on, &link);
+                                           __s390_vary_chpid_on, &chpid);
         } else
                 for_each_subchannel_staged(s390_subchannel_vary_chpid_off,
-                                           NULL, &link);
+                                           NULL, &chpid);
 
         return 0;
 }
diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h
index 155a82bcb9e5..4a1ff5c2eb88 100644
--- a/drivers/s390/cio/cio.h
+++ b/drivers/s390/cio/cio.h
@@ -68,8 +68,13 @@ struct schib {
         __u8 mda[4];             /* model dependent area */
 } __attribute__ ((packed,aligned(4)));
 
+/*
+ * When rescheduled, todo's with higher values will overwrite those
+ * with lower values.
+ */
 enum sch_todo {
         SCH_TODO_NOTHING,
+        SCH_TODO_EVAL,
         SCH_TODO_UNREG,
 };
 
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 92d7324acb1c..21908e67bf67 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -195,51 +195,6 @@ void css_sch_device_unregister(struct subchannel *sch)
 }
 EXPORT_SYMBOL_GPL(css_sch_device_unregister);
 
-static void css_sch_todo(struct work_struct *work)
-{
-        struct subchannel *sch;
-        enum sch_todo todo;
-
-        sch = container_of(work, struct subchannel, todo_work);
-        /* Find out todo. */
-        spin_lock_irq(sch->lock);
-        todo = sch->todo;
-        CIO_MSG_EVENT(4, "sch_todo: sch=0.%x.%04x, todo=%d\n", sch->schid.ssid,
-                      sch->schid.sch_no, todo);
-        sch->todo = SCH_TODO_NOTHING;
-        spin_unlock_irq(sch->lock);
-        /* Perform todo. */
-        if (todo == SCH_TODO_UNREG)
-                css_sch_device_unregister(sch);
-        /* Release workqueue ref. */
-        put_device(&sch->dev);
-}
-
-/**
- * css_sched_sch_todo - schedule a subchannel operation
- * @sch: subchannel
- * @todo: todo
- *
- * Schedule the operation identified by @todo to be performed on the slow path
- * workqueue. Do nothing if another operation with higher priority is already
- * scheduled. Needs to be called with subchannel lock held.
- */
-void css_sched_sch_todo(struct subchannel *sch, enum sch_todo todo)
-{
-        CIO_MSG_EVENT(4, "sch_todo: sched sch=0.%x.%04x todo=%d\n",
-                      sch->schid.ssid, sch->schid.sch_no, todo);
-        if (sch->todo >= todo)
-                return;
-        /* Get workqueue ref. */
-        if (!get_device(&sch->dev))
-                return;
-        sch->todo = todo;
-        if (!queue_work(cio_work_q, &sch->todo_work)) {
-                /* Already queued, release workqueue ref. */
-                put_device(&sch->dev);
-        }
-}
-
 static void ssd_from_pmcw(struct chsc_ssd_info *ssd, struct pmcw *pmcw)
 {
         int i;
@@ -466,6 +421,65 @@ static void css_evaluate_subchannel(struct subchannel_id schid, int slow)
                 css_schedule_eval(schid);
 }
 
+/**
+ * css_sched_sch_todo - schedule a subchannel operation
+ * @sch: subchannel
+ * @todo: todo
+ *
+ * Schedule the operation identified by @todo to be performed on the slow path
+ * workqueue. Do nothing if another operation with higher priority is already
+ * scheduled. Needs to be called with subchannel lock held.
+ */
+void css_sched_sch_todo(struct subchannel *sch, enum sch_todo todo)
+{
+        CIO_MSG_EVENT(4, "sch_todo: sched sch=0.%x.%04x todo=%d\n",
+                      sch->schid.ssid, sch->schid.sch_no, todo);
+        if (sch->todo >= todo)
+                return;
+        /* Get workqueue ref. */
+        if (!get_device(&sch->dev))
+                return;
+        sch->todo = todo;
+        if (!queue_work(cio_work_q, &sch->todo_work)) {
+                /* Already queued, release workqueue ref. */
+                put_device(&sch->dev);
+        }
+}
+
+static void css_sch_todo(struct work_struct *work)
+{
+        struct subchannel *sch;
+        enum sch_todo todo;
+        int ret;
+
+        sch = container_of(work, struct subchannel, todo_work);
+        /* Find out todo. */
+        spin_lock_irq(sch->lock);
+        todo = sch->todo;
+        CIO_MSG_EVENT(4, "sch_todo: sch=0.%x.%04x, todo=%d\n", sch->schid.ssid,
+                      sch->schid.sch_no, todo);
+        sch->todo = SCH_TODO_NOTHING;
+        spin_unlock_irq(sch->lock);
+        /* Perform todo. */
+        switch (todo) {
+        case SCH_TODO_NOTHING:
+                break;
+        case SCH_TODO_EVAL:
+                ret = css_evaluate_known_subchannel(sch, 1);
+                if (ret == -EAGAIN) {
+                        spin_lock_irq(sch->lock);
+                        css_sched_sch_todo(sch, todo);
+                        spin_unlock_irq(sch->lock);
+                }
+                break;
+        case SCH_TODO_UNREG:
+                css_sch_device_unregister(sch);
+                break;
+        }
+        /* Release workqueue ref. */
+        put_device(&sch->dev);
+}
+
 static struct idset *slow_subchannel_set;
 static spinlock_t slow_subchannel_lock;
 static wait_queue_head_t css_eval_wq;
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index d734f4a0ecac..47269858ecb6 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -1868,9 +1868,9 @@ static void __ccw_device_pm_restore(struct ccw_device *cdev)
          */
         cdev->private->flags.resuming = 1;
         cdev->private->path_new_mask = LPM_ANYPATH;
-        css_schedule_eval(sch->schid);
+        css_sched_sch_todo(sch, SCH_TODO_EVAL);
         spin_unlock_irq(sch->lock);
-        css_complete_work();
+        css_wait_for_slow_path();
 
         /* cdev may have been moved to a different subchannel. */
         sch = to_subchannel(cdev->dev.parent);
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 52c233fa2b12..1b853513c891 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -496,8 +496,26 @@ static void ccw_device_reset_path_events(struct ccw_device *cdev)
         cdev->private->pgid_reset_mask = 0;
 }
 
-void
-ccw_device_verify_done(struct ccw_device *cdev, int err)
+static void create_fake_irb(struct irb *irb, int type)
+{
+        memset(irb, 0, sizeof(*irb));
+        if (type == FAKE_CMD_IRB) {
+                struct cmd_scsw *scsw = &irb->scsw.cmd;
+                scsw->cc = 1;
+                scsw->fctl = SCSW_FCTL_START_FUNC;
+                scsw->actl = SCSW_ACTL_START_PEND;
+                scsw->stctl = SCSW_STCTL_STATUS_PEND;
+        } else if (type == FAKE_TM_IRB) {
+                struct tm_scsw *scsw = &irb->scsw.tm;
+                scsw->x = 1;
+                scsw->cc = 1;
+                scsw->fctl = SCSW_FCTL_START_FUNC;
+                scsw->actl = SCSW_ACTL_START_PEND;
+                scsw->stctl = SCSW_STCTL_STATUS_PEND;
+        }
+}
+
+void ccw_device_verify_done(struct ccw_device *cdev, int err)
 {
         struct subchannel *sch;
 
@@ -520,12 +538,8 @@ callback:
                 ccw_device_done(cdev, DEV_STATE_ONLINE);
                 /* Deliver fake irb to device driver, if needed. */
                 if (cdev->private->flags.fake_irb) {
-                        memset(&cdev->private->irb, 0, sizeof(struct irb));
-                        cdev->private->irb.scsw.cmd.cc = 1;
-                        cdev->private->irb.scsw.cmd.fctl = SCSW_FCTL_START_FUNC;
-                        cdev->private->irb.scsw.cmd.actl = SCSW_ACTL_START_PEND;
-                        cdev->private->irb.scsw.cmd.stctl =
-                                SCSW_STCTL_STATUS_PEND;
+                        create_fake_irb(&cdev->private->irb,
+                                        cdev->private->flags.fake_irb);
                         cdev->private->flags.fake_irb = 0;
                         if (cdev->handler)
                                 cdev->handler(cdev, cdev->private->intparm,
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index f98698d5735e..ec7fb6d3b479 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -198,7 +198,7 @@ int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa,
         if (cdev->private->state == DEV_STATE_VERIFY) {
                 /* Remember to fake irb when finished. */
                 if (!cdev->private->flags.fake_irb) {
-                        cdev->private->flags.fake_irb = 1;
+                        cdev->private->flags.fake_irb = FAKE_CMD_IRB;
                         cdev->private->intparm = intparm;
                         return 0;
                 } else
@@ -213,9 +213,9 @@ int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa,
         ret = cio_set_options (sch, flags);
         if (ret)
                 return ret;
-        /* Adjust requested path mask to excluded varied off paths. */
+        /* Adjust requested path mask to exclude unusable paths. */
         if (lpm) {
-                lpm &= sch->opm;
+                lpm &= sch->lpm;
                 if (lpm == 0)
                         return -EACCES;
         }
@@ -605,11 +605,21 @@ int ccw_device_tm_start_key(struct ccw_device *cdev, struct tcw *tcw,
         sch = to_subchannel(cdev->dev.parent);
         if (!sch->schib.pmcw.ena)
                 return -EINVAL;
+        if (cdev->private->state == DEV_STATE_VERIFY) {
+                /* Remember to fake irb when finished. */
+                if (!cdev->private->flags.fake_irb) {
+                        cdev->private->flags.fake_irb = FAKE_TM_IRB;
+                        cdev->private->intparm = intparm;
+                        return 0;
+                } else
+                        /* There's already a fake I/O around. */
+                        return -EBUSY;
+        }
         if (cdev->private->state != DEV_STATE_ONLINE)
                 return -EIO;
-        /* Adjust requested path mask to excluded varied off paths. */
+        /* Adjust requested path mask to exclude unusable paths. */
         if (lpm) {
-                lpm &= sch->opm;
+                lpm &= sch->lpm;
                 if (lpm == 0)
                         return -EACCES;
         }
diff --git a/drivers/s390/cio/io_sch.h b/drivers/s390/cio/io_sch.h
index 2ebb492a5c17..76253dfcc1be 100644
--- a/drivers/s390/cio/io_sch.h
+++ b/drivers/s390/cio/io_sch.h
@@ -111,6 +111,9 @@ enum cdev_todo {
         CDEV_TODO_UNREG_EVAL,
 };
 
+#define FAKE_CMD_IRB    1
+#define FAKE_TM_IRB     2
+
 struct ccw_device_private {
         struct ccw_device *cdev;
         struct subchannel *sch;
@@ -138,7 +141,7 @@ struct ccw_device_private {
                 unsigned int doverify:1;    /* delayed path verification */
                 unsigned int donotify:1;    /* call notify function */
                 unsigned int recog_done:1;  /* dev. recog. complete */
-                unsigned int fake_irb:1;    /* deliver faked irb */
+                unsigned int fake_irb:2;    /* deliver faked irb */
                 unsigned int resuming:1;    /* recognition while resume */
                 unsigned int pgroup:1;      /* pathgroup is set up */
                 unsigned int mpath:1;       /* multipathing is set up */
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index ec94f049e995..96bbe9d12a79 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -1552,6 +1552,8 @@ static void ap_reset(struct ap_device *ap_dev)
         rc = ap_init_queue(ap_dev->qid);
         if (rc == -ENODEV)
                 ap_dev->unregistered = 1;
+        else
+                __ap_schedule_poll_timer();
 }
 
 static int __ap_poll_device(struct ap_device *ap_dev, unsigned long *flags)
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index a1fd73df5416..8ba4510a9519 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -199,7 +199,7 @@ config SPI_FSL_LIB
         depends on FSL_SOC
 
 config SPI_FSL_SPI
-        tristate "Freescale SPI controller"
+        bool "Freescale SPI controller"
         depends on FSL_SOC
         select SPI_FSL_LIB
         help
@@ -208,7 +208,7 @@ config SPI_FSL_SPI
           MPC8569 uses the controller in QE mode, MPC8610 in cpu mode.
 
 config SPI_FSL_ESPI
-        tristate "Freescale eSPI controller"
+        bool "Freescale eSPI controller"
         depends on FSL_SOC
         select SPI_FSL_LIB
         help
diff --git a/drivers/spi/spi-ath79.c b/drivers/spi/spi-ath79.c
index 024b48aed5ca..acc88b4d2869 100644
--- a/drivers/spi/spi-ath79.c
+++ b/drivers/spi/spi-ath79.c
@@ -13,6 +13,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/spinlock.h>
diff --git a/drivers/spi/spi-gpio.c b/drivers/spi/spi-gpio.c
index e093d3ec41ba..0094c645ff0d 100644
--- a/drivers/spi/spi-gpio.c
+++ b/drivers/spi/spi-gpio.c
@@ -256,7 +256,7 @@ static void spi_gpio_cleanup(struct spi_device *spi)
         spi_bitbang_cleanup(spi);
 }
 
-static int __init spi_gpio_alloc(unsigned pin, const char *label, bool is_in)
+static int __devinit spi_gpio_alloc(unsigned pin, const char *label, bool is_in)
 {
         int value;
 
@@ -270,7 +270,7 @@ static int __init spi_gpio_alloc(unsigned pin, const char *label, bool is_in)
         return value;
 }
 
-static int __init
+static int __devinit
 spi_gpio_request(struct spi_gpio_platform_data *pdata, const char *label,
         u16 *res_flags)
 {
diff --git a/drivers/spi/spi-nuc900.c b/drivers/spi/spi-nuc900.c
index e763254741c2..182e9c873822 100644
--- a/drivers/spi/spi-nuc900.c
+++ b/drivers/spi/spi-nuc900.c
@@ -8,6 +8,7 @@
  *
  */
 
+#include <linux/module.h>
 #include <linux/init.h>
 #include <linux/spinlock.h>
 #include <linux/workqueue.h>
@@ -426,7 +427,7 @@ static int __devinit nuc900_spi_probe(struct platform_device *pdev)
                 goto err_clk;
         }
 
-        mfp_set_groupg(&pdev->dev);
+        mfp_set_groupg(&pdev->dev, NULL);
         nuc900_init_spi(hw);
 
         err = spi_bitbang_start(&hw->bitbang);
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index 21d8c1c16cd8..5e78c77d5a08 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -671,7 +671,7 @@ static int do_insnlist_ioctl(struct comedi_device *dev,
         }
 
         insns =
-            kmalloc(sizeof(struct comedi_insn) * insnlist.n_insns, GFP_KERNEL);
+            kcalloc(insnlist.n_insns, sizeof(struct comedi_insn), GFP_KERNEL);
         if (!insns) {
                 DPRINTK("kmalloc failed\n");
                 ret = -ENOMEM;
@@ -1432,7 +1432,21 @@ static int do_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
         return ret;
 }
 
-static void comedi_unmap(struct vm_area_struct *area)
+
+static void comedi_vm_open(struct vm_area_struct *area)
+{
+        struct comedi_async *async;
+        struct comedi_device *dev;
+
+        async = area->vm_private_data;
+        dev = async->subdevice->device;
+
+        mutex_lock(&dev->mutex);
+        async->mmap_count++;
+        mutex_unlock(&dev->mutex);
+}
+
+static void comedi_vm_close(struct vm_area_struct *area)
 {
         struct comedi_async *async;
         struct comedi_device *dev;
@@ -1446,15 +1460,13 @@ static void comedi_unmap(struct vm_area_struct *area)
 }
 
 static struct vm_operations_struct comedi_vm_ops = {
-        .close = comedi_unmap,
+        .open = comedi_vm_open,
+        .close = comedi_vm_close,
 };
 
 static int comedi_mmap(struct file *file, struct vm_area_struct *vma)
 {
         const unsigned minor = iminor(file->f_dentry->d_inode);
-        struct comedi_device_file_info *dev_file_info =
-            comedi_get_device_file_info(minor);
-        struct comedi_device *dev = dev_file_info->device;
         struct comedi_async *async = NULL;
         unsigned long start = vma->vm_start;
         unsigned long size;
@@ -1462,6 +1474,15 @@ static int comedi_mmap(struct file *file, struct vm_area_struct *vma)
         int i;
         int retval;
         struct comedi_subdevice *s;
+        struct comedi_device_file_info *dev_file_info;
+        struct comedi_device *dev;
+
+        dev_file_info = comedi_get_device_file_info(minor);
+        if (dev_file_info == NULL)
+                return -ENODEV;
+        dev = dev_file_info->device;
+        if (dev == NULL)
+                return -ENODEV;
 
         mutex_lock(&dev->mutex);
         if (!dev->attached) {
@@ -1528,11 +1549,17 @@ static unsigned int comedi_poll(struct file *file, poll_table * wait)
 {
         unsigned int mask = 0;
         const unsigned minor = iminor(file->f_dentry->d_inode);
-        struct comedi_device_file_info *dev_file_info =
-            comedi_get_device_file_info(minor);
-        struct comedi_device *dev = dev_file_info->device;
         struct comedi_subdevice *read_subdev;
         struct comedi_subdevice *write_subdev;
+        struct comedi_device_file_info *dev_file_info;
+        struct comedi_device *dev;
+        dev_file_info = comedi_get_device_file_info(minor);
+
+        if (dev_file_info == NULL)
+                return -ENODEV;
+        dev = dev_file_info->device;
+        if (dev == NULL)
+                return -ENODEV;
 
         mutex_lock(&dev->mutex);
         if (!dev->attached) {
@@ -1578,9 +1605,15 @@ static ssize_t comedi_write(struct file *file, const char __user *buf,
         int n, m, count = 0, retval = 0;
         DECLARE_WAITQUEUE(wait, current);
         const unsigned minor = iminor(file->f_dentry->d_inode);
-        struct comedi_device_file_info *dev_file_info =
-            comedi_get_device_file_info(minor);
-        struct comedi_device *dev = dev_file_info->device;
+        struct comedi_device_file_info *dev_file_info;
+        struct comedi_device *dev;
+        dev_file_info = comedi_get_device_file_info(minor);
+
+        if (dev_file_info == NULL)
+                return -ENODEV;
+        dev = dev_file_info->device;
+        if (dev == NULL)
+                return -ENODEV;
 
         if (!dev->attached) {
                 DPRINTK("no driver configured on comedi%i\n", dev->minor);
@@ -1640,11 +1673,11 @@ static ssize_t comedi_write(struct file *file, const char __user *buf,
                                 retval = -EAGAIN;
                                 break;
                         }
+                        schedule();
                         if (signal_pending(current)) {
                                 retval = -ERESTARTSYS;
                                 break;
                         }
-                        schedule();
                         if (!s->busy)
                                 break;
                         if (s->busy != file) {
@@ -1683,9 +1716,15 @@ static ssize_t comedi_read(struct file *file, char __user *buf, size_t nbytes,
         int n, m, count = 0, retval = 0;
         DECLARE_WAITQUEUE(wait, current);
         const unsigned minor = iminor(file->f_dentry->d_inode);
-        struct comedi_device_file_info *dev_file_info =
-            comedi_get_device_file_info(minor);
-        struct comedi_device *dev = dev_file_info->device;
+        struct comedi_device_file_info *dev_file_info;
+        struct comedi_device *dev;
+        dev_file_info = comedi_get_device_file_info(minor);
+
+        if (dev_file_info == NULL)
+                return -ENODEV;
+        dev = dev_file_info->device;
+        if (dev == NULL)
+                return -ENODEV;
 
         if (!dev->attached) {
                 DPRINTK("no driver configured on comedi%i\n", dev->minor);
@@ -1741,11 +1780,11 @@ static ssize_t comedi_read(struct file *file, char __user *buf, size_t nbytes,
                                 retval = -EAGAIN;
                                 break;
                         }
+                        schedule();
                         if (signal_pending(current)) {
                                 retval = -ERESTARTSYS;
                                 break;
                         }
-                        schedule();
                         if (!s->busy) {
                                 retval = 0;
                                 break;
@@ -1885,11 +1924,17 @@ ok:
 static int comedi_close(struct inode *inode, struct file *file)
 {
         const unsigned minor = iminor(inode);
-        struct comedi_device_file_info *dev_file_info =
-            comedi_get_device_file_info(minor);
-        struct comedi_device *dev = dev_file_info->device;
         struct comedi_subdevice *s = NULL;
         int i;
+        struct comedi_device_file_info *dev_file_info;
+        struct comedi_device *dev;
+        dev_file_info = comedi_get_device_file_info(minor);
+
+        if (dev_file_info == NULL)
+                return -ENODEV;
+        dev = dev_file_info->device;
+        if (dev == NULL)
+                return -ENODEV;
 
         mutex_lock(&dev->mutex);
 
@@ -1923,10 +1968,15 @@ static int comedi_close(struct inode *inode, struct file *file)
 static int comedi_fasync(int fd, struct file *file, int on)
 {
         const unsigned minor = iminor(file->f_dentry->d_inode);
-        struct comedi_device_file_info *dev_file_info =
-            comedi_get_device_file_info(minor);
+        struct comedi_device_file_info *dev_file_info;
+        struct comedi_device *dev;
+        dev_file_info = comedi_get_device_file_info(minor);
 
-        struct comedi_device *dev = dev_file_info->device;
+        if (dev_file_info == NULL)
+                return -ENODEV;
+        dev = dev_file_info->device;
+        if (dev == NULL)
+                return -ENODEV;
 
         return fasync_helper(fd, file, on, &dev->async_queue);
 }
diff --git a/drivers/staging/comedi/drivers/usbduxsigma.c b/drivers/staging/comedi/drivers/usbduxsigma.c
index a8fea9a91733..6144afb8cbaa 100644
--- a/drivers/staging/comedi/drivers/usbduxsigma.c
+++ b/drivers/staging/comedi/drivers/usbduxsigma.c
@@ -1,4 +1,4 @@
-#define DRIVER_VERSION "v0.5"
+#define DRIVER_VERSION "v0.6"
 #define DRIVER_AUTHOR "Bernd Porr, BerndPorr@f2s.com"
 #define DRIVER_DESC "Stirling/ITL USB-DUX SIGMA -- Bernd.Porr@f2s.com"
 /*
@@ -25,7 +25,7 @@ Driver: usbduxsigma
 Description: University of Stirling USB DAQ & INCITE Technology Limited
 Devices: [ITL] USB-DUX (usbduxsigma.o)
 Author: Bernd Porr <BerndPorr@f2s.com>
-Updated: 21 Jul 2011
+Updated: 8 Nov 2011
 Status: testing
 */
 /*
@@ -44,6 +44,7 @@ Status: testing
  *   0.3: proper vendor ID and driver name
  *   0.4: fixed D/A voltage range
  *   0.5: various bug fixes, health check at startup
+ *   0.6: corrected wrong input range
  */
 
 /* generates loads of debug info */
@@ -175,7 +176,7 @@ Status: testing
 /* comedi constants */
 static const struct comedi_lrange range_usbdux_ai_range = { 1, {
                                                                 BIP_RANGE
-                                                                (2.65)
+                                                                (2.65/2.0)
                                                                 }
 };
 
diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c
index 26564094e33b..aec9311b108c 100644
--- a/drivers/staging/iio/industrialio-core.c
+++ b/drivers/staging/iio/industrialio-core.c
@@ -242,25 +242,24 @@ static const struct file_operations iio_event_chrdev_fileops = {
 
 static int iio_event_getfd(struct iio_dev *indio_dev)
 {
+        struct iio_event_interface *ev_int = indio_dev->event_interface;
         int fd;
 
-        if (indio_dev->event_interface == NULL)
+        if (ev_int == NULL)
                 return -ENODEV;
 
-        mutex_lock(&indio_dev->event_interface->event_list_lock);
-        if (test_and_set_bit(IIO_BUSY_BIT_POS,
-                             &indio_dev->event_interface->flags)) {
-                mutex_unlock(&indio_dev->event_interface->event_list_lock);
+        mutex_lock(&ev_int->event_list_lock);
+        if (test_and_set_bit(IIO_BUSY_BIT_POS, &ev_int->flags)) {
+                mutex_unlock(&ev_int->event_list_lock);
                 return -EBUSY;
         }
-        mutex_unlock(&indio_dev->event_interface->event_list_lock);
+        mutex_unlock(&ev_int->event_list_lock);
         fd = anon_inode_getfd("iio:event",
-                                &iio_event_chrdev_fileops,
-                                indio_dev->event_interface, O_RDONLY);
+                                &iio_event_chrdev_fileops, ev_int, O_RDONLY);
         if (fd < 0) {
-                mutex_lock(&indio_dev->event_interface->event_list_lock);
+                mutex_lock(&ev_int->event_list_lock);
                 clear_bit(IIO_BUSY_BIT_POS, &ev_int->flags);
-                mutex_unlock(&indio_dev->event_interface->event_list_lock);
+                mutex_unlock(&ev_int->event_list_lock);
         }
         return fd;
 }
diff --git a/drivers/staging/rts_pstor/rtsx.c b/drivers/staging/rts_pstor/rtsx.c
index 480b0ed2e4de..115635f95024 100644
--- a/drivers/staging/rts_pstor/rtsx.c
+++ b/drivers/staging/rts_pstor/rtsx.c
@@ -1021,6 +1021,7 @@ static int __devinit rtsx_probe(struct pci_dev *pci,
         th = kthread_create(rtsx_scan_thread, dev, "rtsx-scan");
         if (IS_ERR(th)) {
                 printk(KERN_ERR "Unable to start the device-scanning thread\n");
+                complete(&dev->scanning_done);
                 quiesce_and_remove_host(dev);
                 err = PTR_ERR(th);
                 goto errout;
diff --git a/drivers/staging/usbip/vhci_rx.c b/drivers/staging/usbip/vhci_rx.c
index 09c44abb89e8..3872b8cccdcf 100644
--- a/drivers/staging/usbip/vhci_rx.c
+++ b/drivers/staging/usbip/vhci_rx.c
@@ -68,6 +68,7 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev,
 {
         struct usbip_device *ud = &vdev->ud;
         struct urb *urb;
+        unsigned long flags;
 
         spin_lock(&vdev->priv_lock);
         urb = pickup_urb_and_free_priv(vdev, pdu->base.seqnum);
@@ -101,9 +102,9 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev,
 
         usbip_dbg_vhci_rx("now giveback urb %p\n", urb);
 
-        spin_lock(&the_controller->lock);
+        spin_lock_irqsave(&the_controller->lock, flags);
         usb_hcd_unlink_urb_from_ep(vhci_to_hcd(the_controller), urb);
-        spin_unlock(&the_controller->lock);
+        spin_unlock_irqrestore(&the_controller->lock, flags);
 
         usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb, urb->status);
 
@@ -141,6 +142,7 @@ static void vhci_recv_ret_unlink(struct vhci_device *vdev,
 {
         struct vhci_unlink *unlink;
         struct urb *urb;
+        unsigned long flags;
 
         usbip_dump_header(pdu);
 
@@ -170,9 +172,9 @@ static void vhci_recv_ret_unlink(struct vhci_device *vdev,
                 urb->status = pdu->u.ret_unlink.status;
                 pr_info("urb->status %d\n", urb->status);
 
-                spin_lock(&the_controller->lock);
+                spin_lock_irqsave(&the_controller->lock, flags);
                 usb_hcd_unlink_urb_from_ep(vhci_to_hcd(the_controller), urb);
-                spin_unlock(&the_controller->lock);
+                spin_unlock_irqrestore(&the_controller->lock, flags);
 
                 usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb,
                                      urb->status);
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 0fd96c10271d..8599545cdf9e 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -614,13 +614,12 @@ int iscsit_add_reject(
         hdr     = (struct iscsi_reject *) cmd->pdu;
         hdr->reason = reason;
 
-        cmd->buf_ptr = kzalloc(ISCSI_HDR_LEN, GFP_KERNEL);
+        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);
                 return -1;
         }
-        memcpy(cmd->buf_ptr, buf, ISCSI_HDR_LEN);
 
         spin_lock_bh(&conn->cmd_lock);
         list_add_tail(&cmd->i_list, &conn->conn_cmd_list);
@@ -661,13 +660,12 @@ int iscsit_add_reject_from_cmd(
         hdr     = (struct iscsi_reject *) cmd->pdu;
         hdr->reason = reason;
 
-        cmd->buf_ptr = kzalloc(ISCSI_HDR_LEN, GFP_KERNEL);
+        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);
                 return -1;
         }
-        memcpy(cmd->buf_ptr, buf, ISCSI_HDR_LEN);
 
         if (add_to_conn) {
                 spin_lock_bh(&conn->cmd_lock);
@@ -1017,11 +1015,6 @@ done:
                                 " non-existent or non-exported iSCSI LUN:"
                                 " 0x%016Lx\n", get_unaligned_le64(&hdr->lun));
                 }
-                if (ret == PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES)
-                        return iscsit_add_reject_from_cmd(
-                                        ISCSI_REASON_BOOKMARK_NO_RESOURCES,
-                                        1, 1, buf, cmd);
-
                 send_check_condition = 1;
                 goto attach_cmd;
         }
@@ -1044,6 +1037,8 @@ done:
                  */
                 send_check_condition = 1;
         } else {
+                cmd->data_length = cmd->se_cmd.data_length;
+
                 if (iscsit_decide_list_to_build(cmd, payload_length) < 0)
                         return iscsit_add_reject_from_cmd(
                                 ISCSI_REASON_BOOKMARK_NO_RESOURCES,
@@ -1123,7 +1118,7 @@ attach_cmd:
          * the backend memory allocation.
          */
         ret = transport_generic_new_cmd(&cmd->se_cmd);
-        if ((ret < 0) || (cmd->se_cmd.se_cmd_flags & SCF_SE_CMD_FAILED)) {
+        if (ret < 0) {
                 immed_ret = IMMEDIATE_DATA_NORMAL_OPERATION;
                 dump_immediate_data = 1;
                 goto after_immediate_data;
@@ -1341,7 +1336,7 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf)
 
                 spin_lock_irqsave(&se_cmd->t_state_lock, flags);
                 if (!(se_cmd->se_cmd_flags & SCF_SUPPORTED_SAM_OPCODE) ||
-                     (se_cmd->se_cmd_flags & SCF_SE_CMD_FAILED))
+                     (se_cmd->se_cmd_flags & SCF_SCSI_CDB_EXCEPTION))
                         dump_unsolicited_data = 1;
                 spin_unlock_irqrestore(&se_cmd->t_state_lock, flags);
 
@@ -2513,10 +2508,10 @@ static int iscsit_send_data_in(
         if (hdr->flags & ISCSI_FLAG_DATA_STATUS) {
                 if (cmd->se_cmd.se_cmd_flags & SCF_OVERFLOW_BIT) {
                         hdr->flags |= ISCSI_FLAG_DATA_OVERFLOW;
-                        hdr->residual_count = cpu_to_be32(cmd->residual_count);
+                        hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count);
                 } else if (cmd->se_cmd.se_cmd_flags & SCF_UNDERFLOW_BIT) {
                         hdr->flags |= ISCSI_FLAG_DATA_UNDERFLOW;
-                        hdr->residual_count = cpu_to_be32(cmd->residual_count);
+                        hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count);
                 }
         }
         hton24(hdr->dlength, datain.length);
@@ -3018,10 +3013,10 @@ static int iscsit_send_status(
         hdr->flags              |= ISCSI_FLAG_CMD_FINAL;
         if (cmd->se_cmd.se_cmd_flags & SCF_OVERFLOW_BIT) {
                 hdr->flags |= ISCSI_FLAG_CMD_OVERFLOW;
-                hdr->residual_count = cpu_to_be32(cmd->residual_count);
+                hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count);
         } else if (cmd->se_cmd.se_cmd_flags & SCF_UNDERFLOW_BIT) {
                 hdr->flags |= ISCSI_FLAG_CMD_UNDERFLOW;
-                hdr->residual_count = cpu_to_be32(cmd->residual_count);
+                hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count);
         }
         hdr->response           = cmd->iscsi_response;
         hdr->cmd_status         = cmd->se_cmd.scsi_status;
@@ -3133,6 +3128,7 @@ static int iscsit_send_task_mgt_rsp(
         hdr                     = (struct iscsi_tm_rsp *) cmd->pdu;
         memset(hdr, 0, ISCSI_HDR_LEN);
         hdr->opcode             = ISCSI_OP_SCSI_TMFUNC_RSP;
+        hdr->flags              = ISCSI_FLAG_CMD_FINAL;
         hdr->response           = iscsit_convert_tcm_tmr_rsp(se_tmr);
         hdr->itt                = cpu_to_be32(cmd->init_task_tag);
         cmd->stat_sn            = conn->stat_sn++;
diff --git a/drivers/target/iscsi/iscsi_target_auth.c b/drivers/target/iscsi/iscsi_target_auth.c
index beb39469e7f1..1cd6ce373b83 100644
--- a/drivers/target/iscsi/iscsi_target_auth.c
+++ b/drivers/target/iscsi/iscsi_target_auth.c
@@ -30,9 +30,11 @@
 
 static int chap_string_to_hex(unsigned char *dst, unsigned char *src, int len)
 {
-        int j = DIV_ROUND_UP(len, 2);
+        int j = DIV_ROUND_UP(len, 2), rc;
 
-        hex2bin(dst, src, j);
+        rc = hex2bin(dst, src, j);
+        if (rc < 0)
+                pr_debug("CHAP string contains non hex digit symbols\n");
 
         dst[j] = '\0';
         return j;
diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h
index 3723d90d5ae5..f1a02dad05a0 100644
--- a/drivers/target/iscsi/iscsi_target_core.h
+++ b/drivers/target/iscsi/iscsi_target_core.h
@@ -398,7 +398,6 @@ struct iscsi_cmd {
         u32                     pdu_send_order;
         /* Current struct iscsi_pdu in struct iscsi_cmd->pdu_list */
         u32                     pdu_start;
-        u32                     residual_count;
         /* Next struct iscsi_seq to send in struct iscsi_cmd->seq_list */
         u32                     seq_send_order;
         /* Number of struct iscsi_seq in struct iscsi_cmd->seq_list */
@@ -535,7 +534,6 @@ struct iscsi_conn {
         atomic_t                connection_exit;
         atomic_t                connection_recovery;
         atomic_t                connection_reinstatement;
-        atomic_t                connection_wait;
         atomic_t                connection_wait_rcfr;
         atomic_t                sleep_on_conn_wait_comp;
         atomic_t                transport_failed;
@@ -643,7 +641,6 @@ struct iscsi_session {
         atomic_t                session_reinstatement;
         atomic_t                session_stop_active;
         atomic_t                sleep_on_sess_wait_comp;
-        atomic_t                transport_wait_cmds;
         /* connection list */
         struct list_head        sess_conn_list;
         struct list_head        cr_active_list;
diff --git a/drivers/target/iscsi/iscsi_target_erl1.c b/drivers/target/iscsi/iscsi_target_erl1.c
index c4c68da3e500..101b1beb3bca 100644
--- a/drivers/target/iscsi/iscsi_target_erl1.c
+++ b/drivers/target/iscsi/iscsi_target_erl1.c
@@ -938,8 +938,7 @@ int iscsit_execute_cmd(struct iscsi_cmd *cmd, int ooo)
                  * handle the SCF_SCSI_RESERVATION_CONFLICT case here as well.
                  */
                 if (se_cmd->se_cmd_flags & SCF_SCSI_CDB_EXCEPTION) {
-                        if (se_cmd->se_cmd_flags &
-                                        SCF_SCSI_RESERVATION_CONFLICT) {
+                        if (se_cmd->scsi_sense_reason == TCM_RESERVATION_CONFLICT) {
                                 cmd->i_state = ISTATE_SEND_STATUS;
                                 spin_unlock_bh(&cmd->istate_lock);
                                 iscsit_add_cmd_to_response_queue(cmd, cmd->conn,
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index daad362a93ce..d734bdec24f9 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -224,7 +224,7 @@ static int iscsi_login_zero_tsih_s1(
                 iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
                                 ISCSI_LOGIN_STATUS_NO_RESOURCES);
                 pr_err("Could not allocate memory for session\n");
-                return -1;
+                return -ENOMEM;
         }
 
         iscsi_login_set_conn_values(sess, conn, pdu->cid);
@@ -250,7 +250,8 @@ static int iscsi_login_zero_tsih_s1(
                 pr_err("idr_pre_get() for sess_idr failed\n");
                 iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
                                 ISCSI_LOGIN_STATUS_NO_RESOURCES);
-                return -1;
+                kfree(sess);
+                return -ENOMEM;
         }
         spin_lock(&sess_idr_lock);
         idr_get_new(&sess_idr, NULL, &sess->session_index);
@@ -270,14 +271,16 @@ static int iscsi_login_zero_tsih_s1(
                                 ISCSI_LOGIN_STATUS_NO_RESOURCES);
                 pr_err("Unable to allocate memory for"
                                 " struct iscsi_sess_ops.\n");
-                return -1;
+                kfree(sess);
+                return -ENOMEM;
         }
 
         sess->se_sess = transport_init_session();
-        if (!sess->se_sess) {
+        if (IS_ERR(sess->se_sess)) {
                 iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
                                 ISCSI_LOGIN_STATUS_NO_RESOURCES);
-                return -1;
+                kfree(sess);
+                return -ENOMEM;
         }
 
         return 0;
diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c
index 426cd4bf6a9a..98936cb7c294 100644
--- a/drivers/target/iscsi/iscsi_target_nego.c
+++ b/drivers/target/iscsi/iscsi_target_nego.c
@@ -981,14 +981,13 @@ struct iscsi_login *iscsi_target_init_negotiation(
                 return NULL;
         }
 
-        login->req = kzalloc(ISCSI_HDR_LEN, GFP_KERNEL);
+        login->req = kmemdup(login_pdu, ISCSI_HDR_LEN, GFP_KERNEL);
         if (!login->req) {
                 pr_err("Unable to allocate memory for Login Request.\n");
                 iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
                                 ISCSI_LOGIN_STATUS_NO_RESOURCES);
                 goto out;
         }
-        memcpy(login->req, login_pdu, ISCSI_HDR_LEN);
 
         login->req_buf = kzalloc(MAX_KEY_VALUE_PAIRS, GFP_KERNEL);
         if (!login->req_buf) {
diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c
index 3df1c9b8ae6b..81d5832fbbd5 100644
--- a/drivers/target/loopback/tcm_loop.c
+++ b/drivers/target/loopback/tcm_loop.c
@@ -113,11 +113,9 @@ static struct se_cmd *tcm_loop_allocate_core_cmd(
                         scsi_bufflen(sc), sc->sc_data_direction, sam_task_attr,
                         &tl_cmd->tl_sense_buf[0]);
 
-        /*
-         * Signal BIDI usage with T_TASK(cmd)->t_tasks_bidi
-         */
         if (scsi_bidi_cmnd(sc))
-                se_cmd->t_tasks_bidi = 1;
+                se_cmd->se_cmd_flags |= SCF_BIDI;
+
         /*
          * Locate the struct se_lun pointer and attach it to struct se_cmd
          */
@@ -148,27 +146,13 @@ static int tcm_loop_new_cmd_map(struct se_cmd *se_cmd)
          * Allocate the necessary tasks to complete the received CDB+data
          */
         ret = transport_generic_allocate_tasks(se_cmd, sc->cmnd);
-        if (ret == -ENOMEM) {
-                /* Out of Resources */
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
-        } else if (ret == -EINVAL) {
-                /*
-                 * Handle case for SAM_STAT_RESERVATION_CONFLICT
-                 */
-                if (se_cmd->se_cmd_flags & SCF_SCSI_RESERVATION_CONFLICT)
-                        return PYX_TRANSPORT_RESERVATION_CONFLICT;
-                /*
-                 * Otherwise, return SAM_STAT_CHECK_CONDITION and return
-                 * sense data.
-                 */
-                return PYX_TRANSPORT_USE_SENSE_REASON;
-        }
-
+        if (ret != 0)
+                return ret;
         /*
          * For BIDI commands, pass in the extra READ buffer
          * to transport_generic_map_mem_to_cmd() below..
          */
-        if (se_cmd->t_tasks_bidi) {
+        if (se_cmd->se_cmd_flags & SCF_BIDI) {
                 struct scsi_data_buffer *sdb = scsi_in(sc);
 
                 sgl_bidi = sdb->table.sgl;
@@ -194,12 +178,8 @@ static int tcm_loop_new_cmd_map(struct se_cmd *se_cmd)
         }
 
         /* Tell the core about our preallocated memory */
-        ret = transport_generic_map_mem_to_cmd(se_cmd, scsi_sglist(sc),
+        return transport_generic_map_mem_to_cmd(se_cmd, scsi_sglist(sc),
                         scsi_sg_count(sc), sgl_bidi, sgl_bidi_count);
-        if (ret < 0)
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
-
-        return 0;
 }
 
 /*
@@ -1360,17 +1340,16 @@ void tcm_loop_drop_scsi_hba(
 {
         struct tcm_loop_hba *tl_hba = container_of(wwn,
                                 struct tcm_loop_hba, tl_hba_wwn);
-        int host_no = tl_hba->sh->host_no;
+
+        pr_debug("TCM_Loop_ConfigFS: Deallocating emulated Target"
+                " SAS Address: %s at Linux/SCSI Host ID: %d\n",
+                tl_hba->tl_wwn_address, tl_hba->sh->host_no);
         /*
          * Call device_unregister() on the original tl_hba->dev.
          * tcm_loop_fabric_scsi.c:tcm_loop_release_adapter() will
          * release *tl_hba;
          */
         device_unregister(&tl_hba->dev);
-
-        pr_debug("TCM_Loop_ConfigFS: Deallocated emulated Target"
-                " SAS Address: %s at Linux/SCSI Host ID: %d\n",
-                config_item_name(&wwn->wwn_group.cg_item), host_no);
 }
 
 /* Start items for tcm_loop_cit */
diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c
index 88f2ad43ec8b..1dcbef499d6a 100644
--- a/drivers/target/target_core_alua.c
+++ b/drivers/target/target_core_alua.c
@@ -191,9 +191,10 @@ int target_emulate_set_target_port_groups(struct se_task *task)
         int alua_access_state, primary = 0, rc;
         u16 tg_pt_id, rtpi;
 
-        if (!l_port)
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
-
+        if (!l_port) {
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -EINVAL;
+        }
         buf = transport_kmap_first_data_page(cmd);
 
         /*
@@ -203,7 +204,8 @@ int target_emulate_set_target_port_groups(struct se_task *task)
         l_tg_pt_gp_mem = l_port->sep_alua_tg_pt_gp_mem;
         if (!l_tg_pt_gp_mem) {
                 pr_err("Unable to access l_port->sep_alua_tg_pt_gp_mem\n");
-                rc = PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+                cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+                rc = -EINVAL;
                 goto out;
         }
         spin_lock(&l_tg_pt_gp_mem->tg_pt_gp_mem_lock);
@@ -211,7 +213,8 @@ int target_emulate_set_target_port_groups(struct se_task *task)
         if (!l_tg_pt_gp) {
                 spin_unlock(&l_tg_pt_gp_mem->tg_pt_gp_mem_lock);
                 pr_err("Unable to access *l_tg_pt_gp_mem->tg_pt_gp\n");
-                rc = PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+                cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+                rc = -EINVAL;
                 goto out;
         }
         rc = (l_tg_pt_gp->tg_pt_gp_alua_access_type & TPGS_EXPLICT_ALUA);
@@ -220,7 +223,8 @@ int target_emulate_set_target_port_groups(struct se_task *task)
         if (!rc) {
                 pr_debug("Unable to process SET_TARGET_PORT_GROUPS"
                                 " while TPGS_EXPLICT_ALUA is disabled\n");
-                rc = PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+                cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+                rc = -EINVAL;
                 goto out;
         }
 
@@ -245,7 +249,8 @@ int target_emulate_set_target_port_groups(struct se_task *task)
                          * REQUEST, and the additional sense code set to INVALID
                          * FIELD IN PARAMETER LIST.
                          */
-                        rc = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                        cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                        rc = -EINVAL;
                         goto out;
                 }
                 rc = -1;
@@ -298,7 +303,8 @@ int target_emulate_set_target_port_groups(struct se_task *task)
                          * throw an exception with ASCQ: INVALID_PARAMETER_LIST
                          */
                         if (rc != 0) {
-                                rc = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                                rc = -EINVAL;
                                 goto out;
                         }
                 } else {
@@ -335,7 +341,8 @@ int target_emulate_set_target_port_groups(struct se_task *task)
                          * INVALID_PARAMETER_LIST
                          */
                         if (rc != 0) {
-                                rc = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                                rc = -EINVAL;
                                 goto out;
                         }
                 }
@@ -1184,7 +1191,6 @@ void core_alua_free_lu_gp(struct t10_alua_lu_gp *lu_gp)
          * struct t10_alua_lu_gp.
          */
         spin_lock(&lu_gps_lock);
-        atomic_set(&lu_gp->lu_gp_shutdown, 1);
         list_del(&lu_gp->lu_gp_node);
         alua_lu_gps_count--;
         spin_unlock(&lu_gps_lock);
@@ -1438,7 +1444,6 @@ struct t10_alua_tg_pt_gp_member *core_alua_allocate_tg_pt_gp_mem(
 
         tg_pt_gp_mem->tg_pt = port;
         port->sep_alua_tg_pt_gp_mem = tg_pt_gp_mem;
-        atomic_set(&port->sep_tg_pt_gp_active, 1);
 
         return tg_pt_gp_mem;
 }
diff --git a/drivers/target/target_core_cdb.c b/drivers/target/target_core_cdb.c
index 683ba02b8247..831468b3163d 100644
--- a/drivers/target/target_core_cdb.c
+++ b/drivers/target/target_core_cdb.c
@@ -478,7 +478,7 @@ target_emulate_evpd_86(struct se_cmd *cmd, unsigned char *buf)
         if (cmd->data_length < 60)
                 return 0;
 
-        buf[2] = 0x3c;
+        buf[3] = 0x3c;
         /* Set HEADSUP, ORDSUP, SIMPSUP */
         buf[5] = 0x07;
 
@@ -703,6 +703,7 @@ int target_emulate_inquiry(struct se_task *task)
         if (cmd->data_length < 4) {
                 pr_err("SCSI Inquiry payload length: %u"
                         " too small for EVPD=1\n", cmd->data_length);
+                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
                 return -EINVAL;
         }
 
@@ -719,6 +720,7 @@ int target_emulate_inquiry(struct se_task *task)
         }
 
         pr_err("Unknown VPD Code: 0x%02x\n", cdb[2]);
+        cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
         ret = -EINVAL;
 
 out_unmap:
@@ -969,7 +971,8 @@ int target_emulate_modesense(struct se_task *task)
         default:
                 pr_err("MODE SENSE: unimplemented page/subpage: 0x%02x/0x%02x\n",
                        cdb[2] & 0x3f, cdb[3]);
-                return PYX_TRANSPORT_UNKNOWN_MODE_PAGE;
+                cmd->scsi_sense_reason = TCM_UNKNOWN_MODE_PAGE;
+                return -EINVAL;
         }
         offset += length;
 
@@ -1027,7 +1030,8 @@ int target_emulate_request_sense(struct se_task *task)
         if (cdb[1] & 0x01) {
                 pr_err("REQUEST_SENSE description emulation not"
                         " supported\n");
-                return PYX_TRANSPORT_INVALID_CDB_FIELD;
+                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+                return -ENOSYS;
         }
 
         buf = transport_kmap_first_data_page(cmd);
@@ -1100,7 +1104,8 @@ int target_emulate_unmap(struct se_task *task)
         if (!dev->transport->do_discard) {
                 pr_err("UNMAP emulation not supported for: %s\n",
                                 dev->transport->name);
-                return PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+                cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+                return -ENOSYS;
         }
 
         /* First UNMAP block descriptor starts at 8 byte offset */
@@ -1157,7 +1162,8 @@ int target_emulate_write_same(struct se_task *task)
         if (!dev->transport->do_discard) {
                 pr_err("WRITE_SAME emulation not supported"
                                 " for: %s\n", dev->transport->name);
-                return PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+                cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+                return -ENOSYS;
         }
 
         if (cmd->t_task_cdb[0] == WRITE_SAME)
@@ -1193,11 +1199,13 @@ int target_emulate_write_same(struct se_task *task)
 int target_emulate_synchronize_cache(struct se_task *task)
 {
         struct se_device *dev = task->task_se_cmd->se_dev;
+        struct se_cmd *cmd = task->task_se_cmd;
 
         if (!dev->transport->do_sync_cache) {
                 pr_err("SYNCHRONIZE_CACHE emulation not supported"
                         " for: %s\n", dev->transport->name);
-                return PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+                cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+                return -ENOSYS;
         }
 
         dev->transport->do_sync_cache(task);
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index e0c1e8a8dd4e..93d4f6a1b798 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -67,9 +67,6 @@ static struct config_group target_core_hbagroup;
 static struct config_group alua_group;
 static struct config_group alua_lu_gps_group;
 
-static DEFINE_SPINLOCK(se_device_lock);
-static LIST_HEAD(se_dev_list);
-
 static inline struct se_hba *
 item_to_hba(struct config_item *item)
 {
@@ -2741,7 +2738,6 @@ static struct config_group *target_core_make_subdev(
                                 " struct se_subsystem_dev\n");
                 goto unlock;
         }
-        INIT_LIST_HEAD(&se_dev->se_dev_node);
         INIT_LIST_HEAD(&se_dev->t10_wwn.t10_vpd_list);
         spin_lock_init(&se_dev->t10_wwn.t10_vpd_lock);
         INIT_LIST_HEAD(&se_dev->t10_pr.registration_list);
@@ -2777,9 +2773,6 @@ static struct config_group *target_core_make_subdev(
                         " from allocate_virtdevice()\n");
                 goto out;
         }
-        spin_lock(&se_device_lock);
-        list_add_tail(&se_dev->se_dev_node, &se_dev_list);
-        spin_unlock(&se_device_lock);
 
         config_group_init_type_name(&se_dev->se_dev_group, name,
                         &target_core_dev_cit);
@@ -2874,10 +2867,6 @@ static void target_core_drop_subdev(
         mutex_lock(&hba->hba_access_mutex);
         t = hba->transport;
 
-        spin_lock(&se_device_lock);
-        list_del(&se_dev->se_dev_node);
-        spin_unlock(&se_device_lock);
-
         dev_stat_grp = &se_dev->dev_stat_grps.stat_group;
         for (i = 0; dev_stat_grp->default_groups[i]; i++) {
                 df_item = &dev_stat_grp->default_groups[i]->cg_item;
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index ba5edec2c5f8..9b8639425472 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -104,7 +104,6 @@ int transport_lookup_cmd_lun(struct se_cmd *se_cmd, u32 unpacked_lun)
                 se_cmd->se_lun = deve->se_lun;
                 se_cmd->pr_res_key = deve->pr_res_key;
                 se_cmd->orig_fe_lun = unpacked_lun;
-                se_cmd->se_orig_obj_ptr = se_cmd->se_lun->lun_se_dev;
                 se_cmd->se_cmd_flags |= SCF_SE_LUN_CMD;
         }
         spin_unlock_irqrestore(&se_sess->se_node_acl->device_list_lock, flags);
@@ -137,7 +136,6 @@ int transport_lookup_cmd_lun(struct se_cmd *se_cmd, u32 unpacked_lun)
                 se_lun = &se_sess->se_tpg->tpg_virt_lun0;
                 se_cmd->se_lun = &se_sess->se_tpg->tpg_virt_lun0;
                 se_cmd->orig_fe_lun = 0;
-                se_cmd->se_orig_obj_ptr = se_cmd->se_lun->lun_se_dev;
                 se_cmd->se_cmd_flags |= SCF_SE_LUN_CMD;
         }
         /*
@@ -200,7 +198,6 @@ int transport_lookup_tmr_lun(struct se_cmd *se_cmd, u32 unpacked_lun)
                 se_lun = deve->se_lun;
                 se_cmd->pr_res_key = deve->pr_res_key;
                 se_cmd->orig_fe_lun = unpacked_lun;
-                se_cmd->se_orig_obj_ptr = se_cmd->se_dev;
         }
         spin_unlock_irqrestore(&se_sess->se_node_acl->device_list_lock, flags);
 
@@ -708,7 +705,7 @@ done:
 
         se_task->task_scsi_status = GOOD;
         transport_complete_task(se_task, 1);
-        return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+        return 0;
 }
 
 /*      se_release_device_for_hba():
@@ -957,8 +954,12 @@ int se_dev_set_emulate_dpo(struct se_device *dev, int flag)
                 return -EINVAL;
         }
 
-        pr_err("dpo_emulated not supported\n");
-        return -EINVAL;
+        if (flag) {
+                pr_err("dpo_emulated not supported\n");
+                return -EINVAL;
+        }
+
+        return 0;
 }
 
 int se_dev_set_emulate_fua_write(struct se_device *dev, int flag)
@@ -968,7 +969,7 @@ int se_dev_set_emulate_fua_write(struct se_device *dev, int flag)
                 return -EINVAL;
         }
 
-        if (dev->transport->fua_write_emulated == 0) {
+        if (flag && dev->transport->fua_write_emulated == 0) {
                 pr_err("fua_write_emulated not supported\n");
                 return -EINVAL;
         }
@@ -985,8 +986,12 @@ int se_dev_set_emulate_fua_read(struct se_device *dev, int flag)
                 return -EINVAL;
         }
 
-        pr_err("ua read emulated not supported\n");
-        return -EINVAL;
+        if (flag) {
+                pr_err("ua read emulated not supported\n");
+                return -EINVAL;
+        }
+
+        return 0;
 }
 
 int se_dev_set_emulate_write_cache(struct se_device *dev, int flag)
@@ -995,7 +1000,7 @@ int se_dev_set_emulate_write_cache(struct se_device *dev, int flag)
                 pr_err("Illegal value %d\n", flag);
                 return -EINVAL;
         }
-        if (dev->transport->write_cache_emulated == 0) {
+        if (flag && dev->transport->write_cache_emulated == 0) {
                 pr_err("write_cache_emulated not supported\n");
                 return -EINVAL;
         }
@@ -1056,7 +1061,7 @@ int se_dev_set_emulate_tpu(struct se_device *dev, int flag)
          * We expect this value to be non-zero when generic Block Layer
          * Discard supported is detected iblock_create_virtdevice().
          */
-        if (!dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) {
+        if (flag && !dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) {
                 pr_err("Generic Block Discard not supported\n");
                 return -ENOSYS;
         }
@@ -1077,7 +1082,7 @@ int se_dev_set_emulate_tpws(struct se_device *dev, int flag)
          * We expect this value to be non-zero when generic Block Layer
          * Discard supported is detected iblock_create_virtdevice().
          */
-        if (!dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) {
+        if (flag && !dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) {
                 pr_err("Generic Block Discard not supported\n");
                 return -ENOSYS;
         }
@@ -1587,7 +1592,6 @@ int core_dev_setup_virtual_lun0(void)
                 ret = -ENOMEM;
                 goto out;
         }
-        INIT_LIST_HEAD(&se_dev->se_dev_node);
         INIT_LIST_HEAD(&se_dev->t10_wwn.t10_vpd_list);
         spin_lock_init(&se_dev->t10_wwn.t10_vpd_lock);
         INIT_LIST_HEAD(&se_dev->t10_pr.registration_list);
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index 67cd6fe05bfa..b4864fba4ef0 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -289,9 +289,9 @@ static int fd_do_readv(struct se_task *task)
                 return -ENOMEM;
         }
 
-        for (i = 0; i < task->task_sg_nents; i++) {
-                iov[i].iov_len = sg[i].length;
-                iov[i].iov_base = sg_virt(&sg[i]);
+        for_each_sg(task->task_sg, sg, task->task_sg_nents, i) {
+                iov[i].iov_len = sg->length;
+                iov[i].iov_base = sg_virt(sg);
         }
 
         old_fs = get_fs();
@@ -342,9 +342,9 @@ static int fd_do_writev(struct se_task *task)
                 return -ENOMEM;
         }
 
-        for (i = 0; i < task->task_sg_nents; i++) {
-                iov[i].iov_len = sg[i].length;
-                iov[i].iov_base = sg_virt(&sg[i]);
+        for_each_sg(task->task_sg, sg, task->task_sg_nents, i) {
+                iov[i].iov_len = sg->length;
+                iov[i].iov_base = sg_virt(sg);
         }
 
         old_fs = get_fs();
@@ -438,7 +438,7 @@ static int fd_do_task(struct se_task *task)
                 if (ret > 0 &&
                     dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0 &&
                     dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0 &&
-                    cmd->t_tasks_fua) {
+                    (cmd->se_cmd_flags & SCF_FUA)) {
                         /*
                          * We might need to be a bit smarter here
                          * and return some sense data to let the initiator
@@ -449,13 +449,15 @@ static int fd_do_task(struct se_task *task)
 
         }
 
-        if (ret < 0)
+        if (ret < 0) {
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
                 return ret;
+        }
         if (ret) {
                 task->task_scsi_status = GOOD;
                 transport_complete_task(task, 1);
         }
-        return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+        return 0;
 }
 
 /*      fd_free_task(): (Part of se_subsystem_api_t template)
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 7698efe29262..4aa992204438 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -531,7 +531,7 @@ static int iblock_do_task(struct se_task *task)
                  */
                 if (dev->se_sub_dev->se_dev_attrib.emulate_write_cache == 0 ||
                     (dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0 &&
-                     task->task_se_cmd->t_tasks_fua))
+                     (cmd->se_cmd_flags & SCF_FUA)))
                         rw = WRITE_FUA;
                 else
                         rw = WRITE;
@@ -554,12 +554,15 @@ static int iblock_do_task(struct se_task *task)
         else {
                 pr_err("Unsupported SCSI -> BLOCK LBA conversion:"
                                 " %u\n", dev->se_sub_dev->se_dev_attrib.block_size);
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -ENOSYS;
         }
 
         bio = iblock_get_bio(task, block_lba, sg_num);
-        if (!bio)
-                return PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES;
+        if (!bio) {
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -ENOMEM;
+        }
 
         bio_list_init(&list);
         bio_list_add(&list, bio);
@@ -588,12 +591,13 @@ static int iblock_do_task(struct se_task *task)
                 submit_bio(rw, bio);
         blk_finish_plug(&plug);
 
-        return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+        return 0;
 
 fail:
         while ((bio = bio_list_pop(&list)))
                 bio_put(bio);
-        return PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES;
+        cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+        return -ENOMEM;
 }
 
 static u32 iblock_get_device_rev(struct se_device *dev)
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index 5a4ebfc3a54f..95dee7074aeb 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -191,7 +191,7 @@ static int target_check_scsi2_reservation_conflict(struct se_cmd *cmd, int *ret)
                 pr_err("Received legacy SPC-2 RESERVE/RELEASE"
                         " while active SPC-3 registrations exist,"
                         " returning RESERVATION_CONFLICT\n");
-                *ret = PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
                 return true;
         }
 
@@ -252,7 +252,8 @@ int target_scsi2_reservation_reserve(struct se_task *task)
             (cmd->t_task_cdb[1] & 0x02)) {
                 pr_err("LongIO and Obselete Bits set, returning"
                                 " ILLEGAL_REQUEST\n");
-                ret = PYX_TRANSPORT_ILLEGAL_REQUEST;
+                cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+                ret = -EINVAL;
                 goto out;
         }
         /*
@@ -277,7 +278,8 @@ int target_scsi2_reservation_reserve(struct se_task *task)
                         " from %s \n", cmd->se_lun->unpacked_lun,
                         cmd->se_deve->mapped_lun,
                         sess->se_node_acl->initiatorname);
-                ret = PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                ret = -EINVAL;
                 goto out_unlock;
         }
 
@@ -1510,7 +1512,8 @@ static int core_scsi3_decode_spec_i_port(
         tidh_new = kzalloc(sizeof(struct pr_transport_id_holder), GFP_KERNEL);
         if (!tidh_new) {
                 pr_err("Unable to allocate tidh_new\n");
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -EINVAL;
         }
         INIT_LIST_HEAD(&tidh_new->dest_list);
         tidh_new->dest_tpg = tpg;
@@ -1522,7 +1525,8 @@ static int core_scsi3_decode_spec_i_port(
                                 sa_res_key, all_tg_pt, aptpl);
         if (!local_pr_reg) {
                 kfree(tidh_new);
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -ENOMEM;
         }
         tidh_new->dest_pr_reg = local_pr_reg;
         /*
@@ -1548,7 +1552,8 @@ static int core_scsi3_decode_spec_i_port(
                 pr_err("SPC-3 PR: Illegal tpdl: %u + 28 byte header"
                         " does not equal CDB data_length: %u\n", tpdl,
                         cmd->data_length);
-                ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                ret = -EINVAL;
                 goto out;
         }
         /*
@@ -1598,7 +1603,9 @@ static int core_scsi3_decode_spec_i_port(
                                         " for tmp_tpg\n");
                                 atomic_dec(&tmp_tpg->tpg_pr_ref_count);
                                 smp_mb__after_atomic_dec();
-                                ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+                                cmd->scsi_sense_reason =
+                                        TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                                ret = -EINVAL;
                                 goto out;
                         }
                         /*
@@ -1628,7 +1635,9 @@ static int core_scsi3_decode_spec_i_port(
                                 atomic_dec(&dest_node_acl->acl_pr_ref_count);
                                 smp_mb__after_atomic_dec();
                                 core_scsi3_tpg_undepend_item(tmp_tpg);
-                                ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+                                cmd->scsi_sense_reason =
+                                        TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                                ret = -EINVAL;
                                 goto out;
                         }
 
@@ -1646,7 +1655,8 @@ static int core_scsi3_decode_spec_i_port(
                 if (!dest_tpg) {
                         pr_err("SPC-3 PR SPEC_I_PT: Unable to locate"
                                         " dest_tpg\n");
-                        ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                        cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                        ret = -EINVAL;
                         goto out;
                 }
 #if 0
@@ -1660,7 +1670,8 @@ static int core_scsi3_decode_spec_i_port(
                                 " %u for Transport ID: %s\n", tid_len, ptr);
                         core_scsi3_nodeacl_undepend_item(dest_node_acl);
                         core_scsi3_tpg_undepend_item(dest_tpg);
-                        ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                        cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                        ret = -EINVAL;
                         goto out;
                 }
                 /*
@@ -1678,7 +1689,8 @@ static int core_scsi3_decode_spec_i_port(
 
                         core_scsi3_nodeacl_undepend_item(dest_node_acl);
                         core_scsi3_tpg_undepend_item(dest_tpg);
-                        ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                        cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                        ret = -EINVAL;
                         goto out;
                 }
 
@@ -1690,7 +1702,9 @@ static int core_scsi3_decode_spec_i_port(
                         smp_mb__after_atomic_dec();
                         core_scsi3_nodeacl_undepend_item(dest_node_acl);
                         core_scsi3_tpg_undepend_item(dest_tpg);
-                        ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+                        cmd->scsi_sense_reason =
+                                TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                        ret = -EINVAL;
                         goto out;
                 }
 #if 0
@@ -1727,7 +1741,9 @@ static int core_scsi3_decode_spec_i_port(
                         core_scsi3_lunacl_undepend_item(dest_se_deve);
                         core_scsi3_nodeacl_undepend_item(dest_node_acl);
                         core_scsi3_tpg_undepend_item(dest_tpg);
-                        ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+                        cmd->scsi_sense_reason =
+                                TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                        ret = -ENOMEM;
                         goto out;
                 }
                 INIT_LIST_HEAD(&tidh_new->dest_list);
@@ -1759,7 +1775,8 @@ static int core_scsi3_decode_spec_i_port(
                         core_scsi3_nodeacl_undepend_item(dest_node_acl);
                         core_scsi3_tpg_undepend_item(dest_tpg);
                         kfree(tidh_new);
-                        ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                        cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                        ret = -EINVAL;
                         goto out;
                 }
                 tidh_new->dest_pr_reg = dest_pr_reg;
@@ -2098,7 +2115,8 @@ static int core_scsi3_emulate_pro_register(
 
         if (!se_sess || !se_lun) {
                 pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n");
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -EINVAL;
         }
         se_tpg = se_sess->se_tpg;
         se_deve = &se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
@@ -2117,13 +2135,14 @@ static int core_scsi3_emulate_pro_register(
                 if (res_key) {
                         pr_warn("SPC-3 PR: Reservation Key non-zero"
                                 " for SA REGISTER, returning CONFLICT\n");
-                        return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                        cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                        return -EINVAL;
                 }
                 /*
                  * Do nothing but return GOOD status.
                  */
                 if (!sa_res_key)
-                        return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+                        return 0;
 
                 if (!spec_i_pt) {
                         /*
@@ -2138,7 +2157,8 @@ static int core_scsi3_emulate_pro_register(
                         if (ret != 0) {
                                 pr_err("Unable to allocate"
                                         " struct t10_pr_registration\n");
-                                return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                                return -EINVAL;
                         }
                 } else {
                         /*
@@ -2197,14 +2217,16 @@ static int core_scsi3_emulate_pro_register(
                                         " 0x%016Lx\n", res_key,
                                         pr_reg->pr_res_key);
                                 core_scsi3_put_pr_reg(pr_reg);
-                                return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                                return -EINVAL;
                         }
                 }
                 if (spec_i_pt) {
                         pr_err("SPC-3 PR UNREGISTER: SPEC_I_PT"
                                 " set while sa_res_key=0\n");
                         core_scsi3_put_pr_reg(pr_reg);
-                        return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                        cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                        return -EINVAL;
                 }
                 /*
                  * An existing ALL_TG_PT=1 registration being released
@@ -2215,7 +2237,8 @@ static int core_scsi3_emulate_pro_register(
                                 " registration exists, but ALL_TG_PT=1 bit not"
                                 " present in received PROUT\n");
                         core_scsi3_put_pr_reg(pr_reg);
-                        return PYX_TRANSPORT_INVALID_CDB_FIELD;
+                        cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+                        return -EINVAL;
                 }
                 /*
                  * Allocate APTPL metadata buffer used for UNREGISTER ops
@@ -2227,7 +2250,9 @@ static int core_scsi3_emulate_pro_register(
                                 pr_err("Unable to allocate"
                                         " pr_aptpl_buf\n");
                                 core_scsi3_put_pr_reg(pr_reg);
-                                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                                cmd->scsi_sense_reason =
+                                        TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                                return -EINVAL;
                         }
                 }
                 /*
@@ -2241,7 +2266,8 @@ static int core_scsi3_emulate_pro_register(
                         if (pr_holder < 0) {
                                 kfree(pr_aptpl_buf);
                                 core_scsi3_put_pr_reg(pr_reg);
-                                return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                                return -EINVAL;
                         }
 
                         spin_lock(&pr_tmpl->registration_lock);
@@ -2405,7 +2431,8 @@ static int core_scsi3_pro_reserve(
 
         if (!se_sess || !se_lun) {
                 pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n");
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -EINVAL;
         }
         se_tpg = se_sess->se_tpg;
         se_deve = &se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
@@ -2417,7 +2444,8 @@ static int core_scsi3_pro_reserve(
         if (!pr_reg) {
                 pr_err("SPC-3 PR: Unable to locate"
                         " PR_REGISTERED *pr_reg for RESERVE\n");
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -EINVAL;
         }
         /*
          * From spc4r17 Section 5.7.9: Reserving:
@@ -2433,7 +2461,8 @@ static int core_scsi3_pro_reserve(
                         " does not match existing SA REGISTER res_key:"
                         " 0x%016Lx\n", res_key, pr_reg->pr_res_key);
                 core_scsi3_put_pr_reg(pr_reg);
-                return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                return -EINVAL;
         }
         /*
          * From spc4r17 Section 5.7.9: Reserving:
@@ -2448,7 +2477,8 @@ static int core_scsi3_pro_reserve(
         if (scope != PR_SCOPE_LU_SCOPE) {
                 pr_err("SPC-3 PR: Illegal SCOPE: 0x%02x\n", scope);
                 core_scsi3_put_pr_reg(pr_reg);
-                return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                return -EINVAL;
         }
         /*
          * See if we have an existing PR reservation holder pointer at
@@ -2480,7 +2510,8 @@ static int core_scsi3_pro_reserve(
 
                         spin_unlock(&dev->dev_reservation_lock);
                         core_scsi3_put_pr_reg(pr_reg);
-                        return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                        cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                        return -EINVAL;
                 }
                 /*
                  * From spc4r17 Section 5.7.9: Reserving:
@@ -2503,7 +2534,8 @@ static int core_scsi3_pro_reserve(
 
                         spin_unlock(&dev->dev_reservation_lock);
                         core_scsi3_put_pr_reg(pr_reg);
-                        return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                        cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                        return -EINVAL;
                 }
                 /*
                  * From spc4r17 Section 5.7.9: Reserving:
@@ -2517,7 +2549,7 @@ static int core_scsi3_pro_reserve(
                  */
                 spin_unlock(&dev->dev_reservation_lock);
                 core_scsi3_put_pr_reg(pr_reg);
-                return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+                return 0;
         }
         /*
          * Otherwise, our *pr_reg becomes the PR reservation holder for said
@@ -2574,7 +2606,8 @@ static int core_scsi3_emulate_pro_reserve(
         default:
                 pr_err("SPC-3 PR: Unknown Service Action RESERVE Type:"
                         " 0x%02x\n", type);
-                return PYX_TRANSPORT_INVALID_CDB_FIELD;
+                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+                return -EINVAL;
         }
 
         return ret;
@@ -2630,7 +2663,8 @@ static int core_scsi3_emulate_pro_release(
 
         if (!se_sess || !se_lun) {
                 pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n");
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -EINVAL;
         }
         /*
          * Locate the existing *pr_reg via struct se_node_acl pointers
@@ -2639,7 +2673,8 @@ static int core_scsi3_emulate_pro_release(
         if (!pr_reg) {
                 pr_err("SPC-3 PR: Unable to locate"
                         " PR_REGISTERED *pr_reg for RELEASE\n");
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -EINVAL;
         }
         /*
          * From spc4r17 Section 5.7.11.2 Releasing:
@@ -2661,7 +2696,7 @@ static int core_scsi3_emulate_pro_release(
                  */
                 spin_unlock(&dev->dev_reservation_lock);
                 core_scsi3_put_pr_reg(pr_reg);
-                return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+                return 0;
         }
         if ((pr_res_holder->pr_res_type == PR_TYPE_WRITE_EXCLUSIVE_ALLREG) ||
             (pr_res_holder->pr_res_type == PR_TYPE_EXCLUSIVE_ACCESS_ALLREG))
@@ -2675,7 +2710,7 @@ static int core_scsi3_emulate_pro_release(
                  */
                 spin_unlock(&dev->dev_reservation_lock);
                 core_scsi3_put_pr_reg(pr_reg);
-                return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+                return 0;
         }
         /*
          * From spc4r17 Section 5.7.11.2 Releasing:
@@ -2697,7 +2732,8 @@ static int core_scsi3_emulate_pro_release(
                         " 0x%016Lx\n", res_key, pr_reg->pr_res_key);
                 spin_unlock(&dev->dev_reservation_lock);
                 core_scsi3_put_pr_reg(pr_reg);
-                return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                return -EINVAL;
         }
         /*
          * From spc4r17 Section 5.7.11.2 Releasing and above:
@@ -2719,7 +2755,8 @@ static int core_scsi3_emulate_pro_release(
 
                 spin_unlock(&dev->dev_reservation_lock);
                 core_scsi3_put_pr_reg(pr_reg);
-                return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                return -EINVAL;
         }
         /*
          * In response to a persistent reservation release request from the
@@ -2802,7 +2839,8 @@ static int core_scsi3_emulate_pro_clear(
         if (!pr_reg_n) {
                 pr_err("SPC-3 PR: Unable to locate"
                         " PR_REGISTERED *pr_reg for CLEAR\n");
-                        return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -EINVAL;
         }
         /*
          * From spc4r17 section 5.7.11.6, Clearing:
@@ -2821,7 +2859,8 @@ static int core_scsi3_emulate_pro_clear(
                         " existing SA REGISTER res_key:"
                         " 0x%016Lx\n", res_key, pr_reg_n->pr_res_key);
                 core_scsi3_put_pr_reg(pr_reg_n);
-                return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                return -EINVAL;
         }
         /*
          * a) Release the persistent reservation, if any;
@@ -2979,8 +3018,10 @@ static int core_scsi3_pro_preempt(
         int all_reg = 0, calling_it_nexus = 0, released_regs = 0;
         int prh_type = 0, prh_scope = 0, ret;
 
-        if (!se_sess)
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+        if (!se_sess) {
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -EINVAL;
+        }
 
         se_deve = &se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
         pr_reg_n = core_scsi3_locate_pr_reg(cmd->se_dev, se_sess->se_node_acl,
@@ -2989,16 +3030,19 @@ static int core_scsi3_pro_preempt(
                 pr_err("SPC-3 PR: Unable to locate"
                         " PR_REGISTERED *pr_reg for PREEMPT%s\n",
                         (abort) ? "_AND_ABORT" : "");
-                return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                return -EINVAL;
         }
         if (pr_reg_n->pr_res_key != res_key) {
                 core_scsi3_put_pr_reg(pr_reg_n);
-                return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                return -EINVAL;
         }
         if (scope != PR_SCOPE_LU_SCOPE) {
                 pr_err("SPC-3 PR: Illegal SCOPE: 0x%02x\n", scope);
                 core_scsi3_put_pr_reg(pr_reg_n);
-                return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                return -EINVAL;
         }
         INIT_LIST_HEAD(&preempt_and_abort_list);
 
@@ -3012,7 +3056,8 @@ static int core_scsi3_pro_preempt(
         if (!all_reg && !sa_res_key) {
                 spin_unlock(&dev->dev_reservation_lock);
                 core_scsi3_put_pr_reg(pr_reg_n);
-                return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                return -EINVAL;
         }
         /*
          * From spc4r17, section 5.7.11.4.4 Removing Registrations:
@@ -3106,7 +3151,8 @@ static int core_scsi3_pro_preempt(
                 if (!released_regs) {
                         spin_unlock(&dev->dev_reservation_lock);
                         core_scsi3_put_pr_reg(pr_reg_n);
-                        return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                        cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                        return -EINVAL;
                 }
                 /*
                  * For an existing all registrants type reservation
@@ -3297,7 +3343,8 @@ static int core_scsi3_emulate_pro_preempt(
         default:
                 pr_err("SPC-3 PR: Unknown Service Action PREEMPT%s"
                         " Type: 0x%02x\n", (abort) ? "_AND_ABORT" : "", type);
-                return PYX_TRANSPORT_INVALID_CDB_FIELD;
+                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+                return -EINVAL;
         }
 
         return ret;
@@ -3331,7 +3378,8 @@ static int core_scsi3_emulate_pro_register_and_move(
 
         if (!se_sess || !se_lun) {
                 pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n");
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -EINVAL;
         }
         memset(dest_iport, 0, 64);
         memset(i_buf, 0, PR_REG_ISID_ID_LEN);
@@ -3349,7 +3397,8 @@ static int core_scsi3_emulate_pro_register_and_move(
         if (!pr_reg) {
                 pr_err("SPC-3 PR: Unable to locate PR_REGISTERED"
                         " *pr_reg for REGISTER_AND_MOVE\n");
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -EINVAL;
         }
         /*
          * The provided reservation key much match the existing reservation key
@@ -3360,7 +3409,8 @@ static int core_scsi3_emulate_pro_register_and_move(
                         " res_key: 0x%016Lx does not match existing SA REGISTER"
                         " res_key: 0x%016Lx\n", res_key, pr_reg->pr_res_key);
                 core_scsi3_put_pr_reg(pr_reg);
-                return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                return -EINVAL;
         }
         /*
          * The service active reservation key needs to be non zero
@@ -3369,7 +3419,8 @@ static int core_scsi3_emulate_pro_register_and_move(
                 pr_warn("SPC-3 PR REGISTER_AND_MOVE: Received zero"
                         " sa_res_key\n");
                 core_scsi3_put_pr_reg(pr_reg);
-                return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                return -EINVAL;
         }
 
         /*
@@ -3392,7 +3443,8 @@ static int core_scsi3_emulate_pro_register_and_move(
                         " does not equal CDB data_length: %u\n", tid_len,
                         cmd->data_length);
                 core_scsi3_put_pr_reg(pr_reg);
-                return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                return -EINVAL;
         }
 
         spin_lock(&dev->se_port_lock);
@@ -3417,7 +3469,8 @@ static int core_scsi3_emulate_pro_register_and_move(
                         atomic_dec(&dest_se_tpg->tpg_pr_ref_count);
                         smp_mb__after_atomic_dec();
                         core_scsi3_put_pr_reg(pr_reg);
-                        return PYX_TRANSPORT_LU_COMM_FAILURE;
+                        cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                        return -EINVAL;
                 }
 
                 spin_lock(&dev->se_port_lock);
@@ -3430,7 +3483,8 @@ static int core_scsi3_emulate_pro_register_and_move(
                         " fabric ops from Relative Target Port Identifier:"
                         " %hu\n", rtpi);
                 core_scsi3_put_pr_reg(pr_reg);
-                return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                return -EINVAL;
         }
 
         buf = transport_kmap_first_data_page(cmd);
@@ -3445,14 +3499,16 @@ static int core_scsi3_emulate_pro_register_and_move(
                         " from fabric: %s\n", proto_ident,
                         dest_tf_ops->get_fabric_proto_ident(dest_se_tpg),
                         dest_tf_ops->get_fabric_name());
-                ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                ret = -EINVAL;
                 goto out;
         }
         if (dest_tf_ops->tpg_parse_pr_out_transport_id == NULL) {
                 pr_err("SPC-3 PR REGISTER_AND_MOVE: Fabric does not"
                         " containg a valid tpg_parse_pr_out_transport_id"
                         " function pointer\n");
-                ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                ret = -EINVAL;
                 goto out;
         }
         initiator_str = dest_tf_ops->tpg_parse_pr_out_transport_id(dest_se_tpg,
@@ -3460,7 +3516,8 @@ static int core_scsi3_emulate_pro_register_and_move(
         if (!initiator_str) {
                 pr_err("SPC-3 PR REGISTER_AND_MOVE: Unable to locate"
                         " initiator_str from Transport ID\n");
-                ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                ret = -EINVAL;
                 goto out;
         }
 
@@ -3489,7 +3546,8 @@ static int core_scsi3_emulate_pro_register_and_move(
                 pr_err("SPC-3 PR REGISTER_AND_MOVE: TransportID: %s"
                         " matches: %s on received I_T Nexus\n", initiator_str,
                         pr_reg_nacl->initiatorname);
-                ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                ret = -EINVAL;
                 goto out;
         }
         if (!strcmp(iport_ptr, pr_reg->pr_reg_isid)) {
@@ -3497,7 +3555,8 @@ static int core_scsi3_emulate_pro_register_and_move(
                         " matches: %s %s on received I_T Nexus\n",
                         initiator_str, iport_ptr, pr_reg_nacl->initiatorname,
                         pr_reg->pr_reg_isid);
-                ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                ret = -EINVAL;
                 goto out;
         }
 after_iport_check:
@@ -3517,7 +3576,8 @@ after_iport_check:
                 pr_err("Unable to locate %s dest_node_acl for"
                         " TransportID%s\n", dest_tf_ops->get_fabric_name(),
                         initiator_str);
-                ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                ret = -EINVAL;
                 goto out;
         }
         ret = core_scsi3_nodeacl_depend_item(dest_node_acl);
@@ -3527,7 +3587,8 @@ after_iport_check:
                 atomic_dec(&dest_node_acl->acl_pr_ref_count);
                 smp_mb__after_atomic_dec();
                 dest_node_acl = NULL;
-                ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                ret = -EINVAL;
                 goto out;
         }
 #if 0
@@ -3543,7 +3604,8 @@ after_iport_check:
         if (!dest_se_deve) {
                 pr_err("Unable to locate %s dest_se_deve from RTPI:"
                         " %hu\n",  dest_tf_ops->get_fabric_name(), rtpi);
-                ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                ret = -EINVAL;
                 goto out;
         }
 
@@ -3553,7 +3615,8 @@ after_iport_check:
                 atomic_dec(&dest_se_deve->pr_ref_count);
                 smp_mb__after_atomic_dec();
                 dest_se_deve = NULL;
-                ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                ret = -EINVAL;
                 goto out;
         }
 #if 0
@@ -3572,7 +3635,8 @@ after_iport_check:
                 pr_warn("SPC-3 PR REGISTER_AND_MOVE: No reservation"
                         " currently held\n");
                 spin_unlock(&dev->dev_reservation_lock);
-                ret = PYX_TRANSPORT_INVALID_CDB_FIELD;
+                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+                ret = -EINVAL;
                 goto out;
         }
         /*
@@ -3585,7 +3649,8 @@ after_iport_check:
                 pr_warn("SPC-3 PR REGISTER_AND_MOVE: Calling I_T"
                         " Nexus is not reservation holder\n");
                 spin_unlock(&dev->dev_reservation_lock);
-                ret = PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                ret = -EINVAL;
                 goto out;
         }
         /*
@@ -3603,7 +3668,8 @@ after_iport_check:
                         " reservation for type: %s\n",
                         core_scsi3_pr_dump_type(pr_res_holder->pr_res_type));
                 spin_unlock(&dev->dev_reservation_lock);
-                ret = PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                ret = -EINVAL;
                 goto out;
         }
         pr_res_nacl = pr_res_holder->pr_reg_nacl;
@@ -3640,7 +3706,8 @@ after_iport_check:
                                 sa_res_key, 0, aptpl, 2, 1);
                 if (ret != 0) {
                         spin_unlock(&dev->dev_reservation_lock);
-                        ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                        cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                        ret = -EINVAL;
                         goto out;
                 }
                 dest_pr_reg = __core_scsi3_locate_pr_reg(dev, dest_node_acl,
@@ -3771,7 +3838,8 @@ int target_scsi3_emulate_pr_out(struct se_task *task)
                 pr_err("Received PERSISTENT_RESERVE CDB while legacy"
                         " SPC-2 reservation is held, returning"
                         " RESERVATION_CONFLICT\n");
-                ret = PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                ret = EINVAL;
                 goto out;
         }
 
@@ -3779,13 +3847,16 @@ int target_scsi3_emulate_pr_out(struct se_task *task)
          * FIXME: A NULL struct se_session pointer means an this is not coming from
          * a $FABRIC_MOD's nexus, but from internal passthrough ops.
          */
-        if (!cmd->se_sess)
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+        if (!cmd->se_sess) {
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -EINVAL;
+        }
 
         if (cmd->data_length < 24) {
                 pr_warn("SPC-PR: Received PR OUT parameter list"
                         " length too small: %u\n", cmd->data_length);
-                ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                ret = -EINVAL;
                 goto out;
         }
         /*
@@ -3820,7 +3891,8 @@ int target_scsi3_emulate_pr_out(struct se_task *task)
          * SPEC_I_PT=1 is only valid for Service action: REGISTER
          */
         if (spec_i_pt && ((cdb[1] & 0x1f) != PRO_REGISTER)) {
-                ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                ret = -EINVAL;
                 goto out;
         }
 
@@ -3837,7 +3909,8 @@ int target_scsi3_emulate_pr_out(struct se_task *task)
             (cmd->data_length != 24)) {
                 pr_warn("SPC-PR: Received PR OUT illegal parameter"
                         " list length: %u\n", cmd->data_length);
-                ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                ret = -EINVAL;
                 goto out;
         }
         /*
@@ -3878,7 +3951,8 @@ int target_scsi3_emulate_pr_out(struct se_task *task)
         default:
                 pr_err("Unknown PERSISTENT_RESERVE_OUT service"
                         " action: 0x%02x\n", cdb[1] & 0x1f);
-                ret = PYX_TRANSPORT_INVALID_CDB_FIELD;
+                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+                ret = -EINVAL;
                 break;
         }
 
@@ -3906,7 +3980,8 @@ static int core_scsi3_pri_read_keys(struct se_cmd *cmd)
         if (cmd->data_length < 8) {
                 pr_err("PRIN SA READ_KEYS SCSI Data Length: %u"
                         " too small\n", cmd->data_length);
-                return PYX_TRANSPORT_INVALID_CDB_FIELD;
+                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+                return -EINVAL;
         }
 
         buf = transport_kmap_first_data_page(cmd);
@@ -3965,7 +4040,8 @@ static int core_scsi3_pri_read_reservation(struct se_cmd *cmd)
         if (cmd->data_length < 8) {
                 pr_err("PRIN SA READ_RESERVATIONS SCSI Data Length: %u"
                         " too small\n", cmd->data_length);
-                return PYX_TRANSPORT_INVALID_CDB_FIELD;
+                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+                return -EINVAL;
         }
 
         buf = transport_kmap_first_data_page(cmd);
@@ -4047,7 +4123,8 @@ static int core_scsi3_pri_report_capabilities(struct se_cmd *cmd)
         if (cmd->data_length < 6) {
                 pr_err("PRIN SA REPORT_CAPABILITIES SCSI Data Length:"
                         " %u too small\n", cmd->data_length);
-                return PYX_TRANSPORT_INVALID_CDB_FIELD;
+                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+                return -EINVAL;
         }
 
         buf = transport_kmap_first_data_page(cmd);
@@ -4108,7 +4185,8 @@ static int core_scsi3_pri_read_full_status(struct se_cmd *cmd)
         if (cmd->data_length < 8) {
                 pr_err("PRIN SA READ_FULL_STATUS SCSI Data Length: %u"
                         " too small\n", cmd->data_length);
-                return PYX_TRANSPORT_INVALID_CDB_FIELD;
+                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+                return -EINVAL;
         }
 
         buf = transport_kmap_first_data_page(cmd);
@@ -4255,7 +4333,8 @@ int target_scsi3_emulate_pr_in(struct se_task *task)
                 pr_err("Received PERSISTENT_RESERVE CDB while legacy"
                         " SPC-2 reservation is held, returning"
                         " RESERVATION_CONFLICT\n");
-                return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                return -EINVAL;
         }
 
         switch (cmd->t_task_cdb[1] & 0x1f) {
@@ -4274,7 +4353,8 @@ int target_scsi3_emulate_pr_in(struct se_task *task)
         default:
                 pr_err("Unknown PERSISTENT_RESERVE_IN service"
                         " action: 0x%02x\n", cmd->t_task_cdb[1] & 0x1f);
-                ret = PYX_TRANSPORT_INVALID_CDB_FIELD;
+                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+                ret = -EINVAL;
                 break;
         }
 
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
index ed32e1efe429..8b15e56b0384 100644
--- a/drivers/target/target_core_pscsi.c
+++ b/drivers/target/target_core_pscsi.c
@@ -963,6 +963,7 @@ static inline struct bio *pscsi_get_bio(int sg_num)
 static int pscsi_map_sg(struct se_task *task, struct scatterlist *task_sg,
                 struct bio **hbio)
 {
+        struct se_cmd *cmd = task->task_se_cmd;
         struct pscsi_dev_virt *pdv = task->task_se_cmd->se_dev->dev_ptr;
         u32 task_sg_num = task->task_sg_nents;
         struct bio *bio = NULL, *tbio = NULL;
@@ -971,7 +972,7 @@ static int pscsi_map_sg(struct se_task *task, struct scatterlist *task_sg,
         u32 data_len = task->task_size, i, len, bytes, off;
         int nr_pages = (task->task_size + task_sg[0].offset +
                         PAGE_SIZE - 1) >> PAGE_SHIFT;
-        int nr_vecs = 0, rc, ret = PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES;
+        int nr_vecs = 0, rc;
         int rw = (task->task_data_direction == DMA_TO_DEVICE);
 
         *hbio = NULL;
@@ -1058,11 +1059,13 @@ fail:
                 bio->bi_next = NULL;
                 bio_endio(bio, 0);      /* XXX: should be error */
         }
-        return ret;
+        cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+        return -ENOMEM;
 }
 
 static int pscsi_do_task(struct se_task *task)
 {
+        struct se_cmd *cmd = task->task_se_cmd;
         struct pscsi_dev_virt *pdv = task->task_se_cmd->se_dev->dev_ptr;
         struct pscsi_plugin_task *pt = PSCSI_TASK(task);
         struct request *req;
@@ -1078,7 +1081,9 @@ static int pscsi_do_task(struct se_task *task)
                 if (!req || IS_ERR(req)) {
                         pr_err("PSCSI: blk_get_request() failed: %ld\n",
                                         req ? IS_ERR(req) : -ENOMEM);
-                        return PYX_TRANSPORT_LU_COMM_FAILURE;
+                        cmd->scsi_sense_reason =
+                                TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                        return -ENODEV;
                 }
         } else {
                 BUG_ON(!task->task_size);
@@ -1087,8 +1092,11 @@ static int pscsi_do_task(struct se_task *task)
                  * Setup the main struct request for the task->task_sg[] payload
                  */
                 ret = pscsi_map_sg(task, task->task_sg, &hbio);
-                if (ret < 0)
-                        return PYX_TRANSPORT_LU_COMM_FAILURE;
+                if (ret < 0) {
+                        cmd->scsi_sense_reason =
+                                TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                        return ret;
+                }
 
                 req = blk_make_request(pdv->pdv_sd->request_queue, hbio,
                                        GFP_KERNEL);
@@ -1115,7 +1123,7 @@ static int pscsi_do_task(struct se_task *task)
                         (task->task_se_cmd->sam_task_attr == MSG_HEAD_TAG),
                         pscsi_req_done);
 
-        return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+        return 0;
 
 fail:
         while (hbio) {
@@ -1124,7 +1132,8 @@ fail:
                 bio->bi_next = NULL;
                 bio_endio(bio, 0);      /* XXX: should be error */
         }
-        return PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES;
+        cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+        return -ENOMEM;
 }
 
 /*      pscsi_get_sense_buffer():
@@ -1198,9 +1207,8 @@ static inline void pscsi_process_SAM_status(
                         " 0x%02x Result: 0x%08x\n", task, pt->pscsi_cdb[0],
                         pt->pscsi_result);
                 task->task_scsi_status = SAM_STAT_CHECK_CONDITION;
-                task->task_error_status = PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
-                task->task_se_cmd->transport_error_status =
-                                        PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+                task->task_se_cmd->scsi_sense_reason =
+                                        TCM_UNSUPPORTED_SCSI_OPCODE;
                 transport_complete_task(task, 0);
                 break;
         }
diff --git a/drivers/target/target_core_rd.c b/drivers/target/target_core_rd.c
index 5158d3846f19..02e51faa2f4e 100644
--- a/drivers/target/target_core_rd.c
+++ b/drivers/target/target_core_rd.c
@@ -343,235 +343,74 @@ static struct rd_dev_sg_table *rd_get_sg_table(struct rd_dev *rd_dev, u32 page)
         return NULL;
 }
 
-/*      rd_MEMCPY_read():
- *
- *
- */
-static int rd_MEMCPY_read(struct rd_request *req)
+static int rd_MEMCPY(struct rd_request *req, u32 read_rd)
 {
         struct se_task *task = &req->rd_task;
         struct rd_dev *dev = req->rd_task.task_se_cmd->se_dev->dev_ptr;
         struct rd_dev_sg_table *table;
-        struct scatterlist *sg_d, *sg_s;
-        void *dst, *src;
-        u32 i = 0, j = 0, dst_offset = 0, src_offset = 0;
-        u32 length, page_end = 0, table_sg_end;
+        struct scatterlist *rd_sg;
+        struct sg_mapping_iter m;
         u32 rd_offset = req->rd_offset;
+        u32 src_len;
 
         table = rd_get_sg_table(dev, req->rd_page);
         if (!table)
                 return -EINVAL;
 
-        table_sg_end = (table->page_end_offset - req->rd_page);
-        sg_d = task->task_sg;
-        sg_s = &table->sg_table[req->rd_page - table->page_start_offset];
+        rd_sg = &table->sg_table[req->rd_page - table->page_start_offset];
 
-        pr_debug("RD[%u]: Read LBA: %llu, Size: %u Page: %u, Offset:"
-                " %u\n", dev->rd_dev_id, task->task_lba, req->rd_size,
-                req->rd_page, req->rd_offset);
-
-        src_offset = rd_offset;
+        pr_debug("RD[%u]: %s LBA: %llu, Size: %u Page: %u, Offset: %u\n",
+                        dev->rd_dev_id, read_rd ? "Read" : "Write",
+                        task->task_lba, req->rd_size, req->rd_page,
+                        rd_offset);
 
+        src_len = PAGE_SIZE - rd_offset;
+        sg_miter_start(&m, task->task_sg, task->task_sg_nents,
+                        read_rd ? SG_MITER_TO_SG : SG_MITER_FROM_SG);
         while (req->rd_size) {
-                if ((sg_d[i].length - dst_offset) <
-                    (sg_s[j].length - src_offset)) {
-                        length = (sg_d[i].length - dst_offset);
-
-                        pr_debug("Step 1 - sg_d[%d]: %p length: %d"
-                                " offset: %u sg_s[%d].length: %u\n", i,
-                                &sg_d[i], sg_d[i].length, sg_d[i].offset, j,
-                                sg_s[j].length);
-                        pr_debug("Step 1 - length: %u dst_offset: %u"
-                                " src_offset: %u\n", length, dst_offset,
-                                src_offset);
-
-                        if (length > req->rd_size)
-                                length = req->rd_size;
-
-                        dst = sg_virt(&sg_d[i++]) + dst_offset;
-                        BUG_ON(!dst);
-
-                        src = sg_virt(&sg_s[j]) + src_offset;
-                        BUG_ON(!src);
-
-                        dst_offset = 0;
-                        src_offset = length;
-                        page_end = 0;
-                } else {
-                        length = (sg_s[j].length - src_offset);
-
-                        pr_debug("Step 2 - sg_d[%d]: %p length: %d"
-                                " offset: %u sg_s[%d].length: %u\n", i,
-                                &sg_d[i], sg_d[i].length, sg_d[i].offset,
-                                j, sg_s[j].length);
-                        pr_debug("Step 2 - length: %u dst_offset: %u"
-                                " src_offset: %u\n", length, dst_offset,
-                                src_offset);
-
-                        if (length > req->rd_size)
-                                length = req->rd_size;
-
-                        dst = sg_virt(&sg_d[i]) + dst_offset;
-                        BUG_ON(!dst);
-
-                        if (sg_d[i].length == length) {
-                                i++;
-                                dst_offset = 0;
-                        } else
-                                dst_offset = length;
-
-                        src = sg_virt(&sg_s[j++]) + src_offset;
-                        BUG_ON(!src);
-
-                        src_offset = 0;
-                        page_end = 1;
-                }
+                u32 len;
+                void *rd_addr;
 
-                memcpy(dst, src, length);
+                sg_miter_next(&m);
+                len = min((u32)m.length, src_len);
+                m.consumed = len;
 
-                pr_debug("page: %u, remaining size: %u, length: %u,"
-                        " i: %u, j: %u\n", req->rd_page,
-                        (req->rd_size - length), length, i, j);
+                rd_addr = sg_virt(rd_sg) + rd_offset;
 
-                req->rd_size -= length;
-                if (!req->rd_size)
-                        return 0;
+                if (read_rd)
+                        memcpy(m.addr, rd_addr, len);
+                else
+                        memcpy(rd_addr, m.addr, len);
 
-                if (!page_end)
+                req->rd_size -= len;
+                if (!req->rd_size)
                         continue;
 
-                if (++req->rd_page <= table->page_end_offset) {
-                        pr_debug("page: %u in same page table\n",
-                                req->rd_page);
+                src_len -= len;
+                if (src_len) {
+                        rd_offset += len;
                         continue;
                 }
 
-                pr_debug("getting new page table for page: %u\n",
-                                req->rd_page);
-
-                table = rd_get_sg_table(dev, req->rd_page);
-                if (!table)
-                        return -EINVAL;
-
-                sg_s = &table->sg_table[j = 0];
-        }
-
-        return 0;
-}
-
-/*      rd_MEMCPY_write():
- *
- *
- */
-static int rd_MEMCPY_write(struct rd_request *req)
-{
-        struct se_task *task = &req->rd_task;
-        struct rd_dev *dev = req->rd_task.task_se_cmd->se_dev->dev_ptr;
-        struct rd_dev_sg_table *table;
-        struct scatterlist *sg_d, *sg_s;
-        void *dst, *src;
-        u32 i = 0, j = 0, dst_offset = 0, src_offset = 0;
-        u32 length, page_end = 0, table_sg_end;
-        u32 rd_offset = req->rd_offset;
-
-        table = rd_get_sg_table(dev, req->rd_page);
-        if (!table)
-                return -EINVAL;
-
-        table_sg_end = (table->page_end_offset - req->rd_page);
-        sg_d = &table->sg_table[req->rd_page - table->page_start_offset];
-        sg_s = task->task_sg;
-
-        pr_debug("RD[%d] Write LBA: %llu, Size: %u, Page: %u,"
-                " Offset: %u\n", dev->rd_dev_id, task->task_lba, req->rd_size,
-                req->rd_page, req->rd_offset);
-
-        dst_offset = rd_offset;
-
-        while (req->rd_size) {
-                if ((sg_s[i].length - src_offset) <
-                    (sg_d[j].length - dst_offset)) {
-                        length = (sg_s[i].length - src_offset);
-
-                        pr_debug("Step 1 - sg_s[%d]: %p length: %d"
-                                " offset: %d sg_d[%d].length: %u\n", i,
-                                &sg_s[i], sg_s[i].length, sg_s[i].offset,
-                                j, sg_d[j].length);
-                        pr_debug("Step 1 - length: %u src_offset: %u"
-                                " dst_offset: %u\n", length, src_offset,
-                                dst_offset);
-
-                        if (length > req->rd_size)
-                                length = req->rd_size;
-
-                        src = sg_virt(&sg_s[i++]) + src_offset;
-                        BUG_ON(!src);
-
-                        dst = sg_virt(&sg_d[j]) + dst_offset;
-                        BUG_ON(!dst);
-
-                        src_offset = 0;
-                        dst_offset = length;
-                        page_end = 0;
-                } else {
-                        length = (sg_d[j].length - dst_offset);
-
-                        pr_debug("Step 2 - sg_s[%d]: %p length: %d"
-                                " offset: %d sg_d[%d].length: %u\n", i,
-                                &sg_s[i], sg_s[i].length, sg_s[i].offset,
-                                j, sg_d[j].length);
-                        pr_debug("Step 2 - length: %u src_offset: %u"
-                                " dst_offset: %u\n", length, src_offset,
-                                dst_offset);
-
-                        if (length > req->rd_size)
-                                length = req->rd_size;
-
-                        src = sg_virt(&sg_s[i]) + src_offset;
-                        BUG_ON(!src);
-
-                        if (sg_s[i].length == length) {
-                                i++;
-                                src_offset = 0;
-                        } else
-                                src_offset = length;
-
-                        dst = sg_virt(&sg_d[j++]) + dst_offset;
-                        BUG_ON(!dst);
-
-                        dst_offset = 0;
-                        page_end = 1;
-                }
-
-                memcpy(dst, src, length);
-
-                pr_debug("page: %u, remaining size: %u, length: %u,"
-                        " i: %u, j: %u\n", req->rd_page,
-                        (req->rd_size - length), length, i, j);
-
-                req->rd_size -= length;
-                if (!req->rd_size)
-                        return 0;
-
-                if (!page_end)
-                        continue;
-
-                if (++req->rd_page <= table->page_end_offset) {
-                        pr_debug("page: %u in same page table\n",
-                                req->rd_page);
+                /* rd page completed, next one please */
+                req->rd_page++;
+                rd_offset = 0;
+                src_len = PAGE_SIZE;
+                if (req->rd_page <= table->page_end_offset) {
+                        rd_sg++;
                         continue;
                 }
 
-                pr_debug("getting new page table for page: %u\n",
-                                req->rd_page);
-
                 table = rd_get_sg_table(dev, req->rd_page);
-                if (!table)
+                if (!table) {
+                        sg_miter_stop(&m);
                         return -EINVAL;
+                }
 
-                sg_d = &table->sg_table[j = 0];
+                /* since we increment, the first sg entry is correct */
+                rd_sg = table->sg_table;
         }
-
+        sg_miter_stop(&m);
         return 0;
 }
 
@@ -583,28 +422,21 @@ static int rd_MEMCPY_do_task(struct se_task *task)
 {
         struct se_device *dev = task->task_se_cmd->se_dev;
         struct rd_request *req = RD_REQ(task);
-        unsigned long long lba;
+        u64 tmp;
         int ret;
 
-        req->rd_page = (task->task_lba * dev->se_sub_dev->se_dev_attrib.block_size) / PAGE_SIZE;
-        lba = task->task_lba;
-        req->rd_offset = (do_div(lba,
-                          (PAGE_SIZE / dev->se_sub_dev->se_dev_attrib.block_size))) *
-                           dev->se_sub_dev->se_dev_attrib.block_size;
+        tmp = task->task_lba * dev->se_sub_dev->se_dev_attrib.block_size;
+        req->rd_offset = do_div(tmp, PAGE_SIZE);
+        req->rd_page = tmp;
         req->rd_size = task->task_size;
 
-        if (task->task_data_direction == DMA_FROM_DEVICE)
-                ret = rd_MEMCPY_read(req);
-        else
-                ret = rd_MEMCPY_write(req);
-
+        ret = rd_MEMCPY(req, task->task_data_direction == DMA_FROM_DEVICE);
         if (ret != 0)
                 return ret;
 
         task->task_scsi_status = GOOD;
         transport_complete_task(task, 1);
-
-        return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+        return 0;
 }
 
 /*      rd_free_task(): (Part of se_subsystem_api_t template)
diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c
index 217e29df6297..684522805a1f 100644
--- a/drivers/target/target_core_tmr.c
+++ b/drivers/target/target_core_tmr.c
@@ -345,10 +345,6 @@ static void core_tmr_drain_cmd_list(
                         " %d t_fe_count: %d\n", (preempt_and_abort_list) ?
                         "Preempt" : "", cmd, cmd->t_state,
                         atomic_read(&cmd->t_fe_count));
-                /*
-                 * Signal that the command has failed via cmd->se_cmd_flags,
-                 */
-                transport_new_cmd_failure(cmd);
 
                 core_tmr_handle_tas_abort(tmr_nacl, cmd, tas,
                                 atomic_read(&cmd->t_fe_count));
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 3400ae6e93f8..0257658e2e3e 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -61,7 +61,6 @@
 static int sub_api_initialized;
 
 static struct workqueue_struct *target_completion_wq;
-static struct kmem_cache *se_cmd_cache;
 static struct kmem_cache *se_sess_cache;
 struct kmem_cache *se_tmr_req_cache;
 struct kmem_cache *se_ua_cache;
@@ -82,24 +81,18 @@ static int transport_generic_get_mem(struct se_cmd *cmd);
 static void transport_put_cmd(struct se_cmd *cmd);
 static void transport_remove_cmd_from_queue(struct se_cmd *cmd);
 static int transport_set_sense_codes(struct se_cmd *cmd, u8 asc, u8 ascq);
-static void transport_generic_request_failure(struct se_cmd *, int, int);
+static void transport_generic_request_failure(struct se_cmd *);
 static void target_complete_ok_work(struct work_struct *work);
 
 int init_se_kmem_caches(void)
 {
-        se_cmd_cache = kmem_cache_create("se_cmd_cache",
-                        sizeof(struct se_cmd), __alignof__(struct se_cmd), 0, NULL);
-        if (!se_cmd_cache) {
-                pr_err("kmem_cache_create for struct se_cmd failed\n");
-                goto out;
-        }
         se_tmr_req_cache = kmem_cache_create("se_tmr_cache",
                         sizeof(struct se_tmr_req), __alignof__(struct se_tmr_req),
                         0, NULL);
         if (!se_tmr_req_cache) {
                 pr_err("kmem_cache_create() for struct se_tmr_req"
                                 " failed\n");
-                goto out_free_cmd_cache;
+                goto out;
         }
         se_sess_cache = kmem_cache_create("se_sess_cache",
                         sizeof(struct se_session), __alignof__(struct se_session),
@@ -182,8 +175,6 @@ out_free_sess_cache:
         kmem_cache_destroy(se_sess_cache);
 out_free_tmr_req_cache:
         kmem_cache_destroy(se_tmr_req_cache);
-out_free_cmd_cache:
-        kmem_cache_destroy(se_cmd_cache);
 out:
         return -ENOMEM;
 }
@@ -191,7 +182,6 @@ out:
 void release_se_kmem_caches(void)
 {
         destroy_workqueue(target_completion_wq);
-        kmem_cache_destroy(se_cmd_cache);
         kmem_cache_destroy(se_tmr_req_cache);
         kmem_cache_destroy(se_sess_cache);
         kmem_cache_destroy(se_ua_cache);
@@ -680,9 +670,9 @@ void transport_complete_sync_cache(struct se_cmd *cmd, int good)
                 task->task_scsi_status = GOOD;
         } else {
                 task->task_scsi_status = SAM_STAT_CHECK_CONDITION;
-                task->task_error_status = PYX_TRANSPORT_ILLEGAL_REQUEST;
-                task->task_se_cmd->transport_error_status =
-                                        PYX_TRANSPORT_ILLEGAL_REQUEST;
+                task->task_se_cmd->scsi_sense_reason =
+                                TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+
         }
 
         transport_complete_task(task, good);
@@ -693,7 +683,7 @@ static void target_complete_failure_work(struct work_struct *work)
 {
         struct se_cmd *cmd = container_of(work, struct se_cmd, work);
 
-        transport_generic_request_failure(cmd, 1, 1);
+        transport_generic_request_failure(cmd);
 }
 
 /*      transport_complete_task():
@@ -755,10 +745,11 @@ void transport_complete_task(struct se_task *task, int success)
         if (cmd->t_tasks_failed) {
                 if (!task->task_error_status) {
                         task->task_error_status =
-                                PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
-                        cmd->transport_error_status =
-                                PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+                                TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                        cmd->scsi_sense_reason =
+                                TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
                 }
+
                 INIT_WORK(&cmd->work, target_complete_failure_work);
         } else {
                 atomic_set(&cmd->t_transport_complete, 1);
@@ -1335,23 +1326,17 @@ struct se_device *transport_add_device_to_core_hba(
         dev->se_hba             = hba;
         dev->se_sub_dev         = se_dev;
         dev->transport          = transport;
-        atomic_set(&dev->active_cmds, 0);
         INIT_LIST_HEAD(&dev->dev_list);
         INIT_LIST_HEAD(&dev->dev_sep_list);
         INIT_LIST_HEAD(&dev->dev_tmr_list);
         INIT_LIST_HEAD(&dev->execute_task_list);
         INIT_LIST_HEAD(&dev->delayed_cmd_list);
-        INIT_LIST_HEAD(&dev->ordered_cmd_list);
         INIT_LIST_HEAD(&dev->state_task_list);
         INIT_LIST_HEAD(&dev->qf_cmd_list);
         spin_lock_init(&dev->execute_task_lock);
         spin_lock_init(&dev->delayed_cmd_lock);
-        spin_lock_init(&dev->ordered_cmd_lock);
-        spin_lock_init(&dev->state_task_lock);
-        spin_lock_init(&dev->dev_alua_lock);
         spin_lock_init(&dev->dev_reservation_lock);
         spin_lock_init(&dev->dev_status_lock);
-        spin_lock_init(&dev->dev_status_thr_lock);
         spin_lock_init(&dev->se_port_lock);
         spin_lock_init(&dev->se_tmr_lock);
         spin_lock_init(&dev->qf_cmd_lock);
@@ -1507,7 +1492,6 @@ void transport_init_se_cmd(
 {
         INIT_LIST_HEAD(&cmd->se_lun_node);
         INIT_LIST_HEAD(&cmd->se_delayed_node);
-        INIT_LIST_HEAD(&cmd->se_ordered_node);
         INIT_LIST_HEAD(&cmd->se_qf_node);
         INIT_LIST_HEAD(&cmd->se_queue_node);
         INIT_LIST_HEAD(&cmd->se_cmd_list);
@@ -1573,6 +1557,8 @@ int transport_generic_allocate_tasks(
                 pr_err("Received SCSI CDB with command_size: %d that"
                         " exceeds SCSI_MAX_VARLEN_CDB_SIZE: %d\n",
                         scsi_command_size(cdb), SCSI_MAX_VARLEN_CDB_SIZE);
+                cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
+                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
                 return -EINVAL;
         }
         /*
@@ -1588,6 +1574,9 @@ int transport_generic_allocate_tasks(
                                 " %u > sizeof(cmd->__t_task_cdb): %lu ops\n",
                                 scsi_command_size(cdb),
                                 (unsigned long)sizeof(cmd->__t_task_cdb));
+                        cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
+                        cmd->scsi_sense_reason =
+                                        TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
                         return -ENOMEM;
                 }
         } else
@@ -1658,11 +1647,9 @@ int transport_handle_cdb_direct(
          * and call transport_generic_request_failure() if necessary..
          */
         ret = transport_generic_new_cmd(cmd);
-        if (ret < 0) {
-                cmd->transport_error_status = ret;
-                transport_generic_request_failure(cmd, 0,
-                                (cmd->data_direction != DMA_TO_DEVICE));
-        }
+        if (ret < 0)
+                transport_generic_request_failure(cmd);
+
         return 0;
 }
 EXPORT_SYMBOL(transport_handle_cdb_direct);
@@ -1798,20 +1785,16 @@ static int transport_stop_tasks_for_cmd(struct se_cmd *cmd)
 /*
  * Handle SAM-esque emulation for generic transport request failures.
  */
-static void transport_generic_request_failure(
-        struct se_cmd *cmd,
-        int complete,
-        int sc)
+static void transport_generic_request_failure(struct se_cmd *cmd)
 {
         int ret = 0;
 
         pr_debug("-----[ Storage Engine Exception for cmd: %p ITT: 0x%08x"
                 " CDB: 0x%02x\n", cmd, cmd->se_tfo->get_task_tag(cmd),
                 cmd->t_task_cdb[0]);
-        pr_debug("-----[ i_state: %d t_state: %d transport_error_status: %d\n",
+        pr_debug("-----[ i_state: %d t_state: %d scsi_sense_reason: %d\n",
                 cmd->se_tfo->get_cmd_state(cmd),
-                cmd->t_state,
-                cmd->transport_error_status);
+                cmd->t_state, cmd->scsi_sense_reason);
         pr_debug("-----[ t_tasks: %d t_task_cdbs_left: %d"
                 " t_task_cdbs_sent: %d t_task_cdbs_ex_left: %d --"
                 " t_transport_active: %d t_transport_stop: %d"
@@ -1829,46 +1812,19 @@ static void transport_generic_request_failure(
         if (cmd->se_dev->dev_task_attr_type == SAM_TASK_ATTR_EMULATED)
                 transport_complete_task_attr(cmd);
 
-        if (complete) {
-                cmd->transport_error_status = PYX_TRANSPORT_LU_COMM_FAILURE;
-        }
-
-        switch (cmd->transport_error_status) {
-        case PYX_TRANSPORT_UNKNOWN_SAM_OPCODE:
-                cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
-                break;
-        case PYX_TRANSPORT_REQ_TOO_MANY_SECTORS:
-                cmd->scsi_sense_reason = TCM_SECTOR_COUNT_TOO_MANY;
-                break;
-        case PYX_TRANSPORT_INVALID_CDB_FIELD:
-                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
-                break;
-        case PYX_TRANSPORT_INVALID_PARAMETER_LIST:
-                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
-                break;
-        case PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES:
-                if (!sc)
-                        transport_new_cmd_failure(cmd);
-                /*
-                 * Currently for PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES,
-                 * we force this session to fall back to session
-                 * recovery.
-                 */
-                cmd->se_tfo->fall_back_to_erl0(cmd->se_sess);
-                cmd->se_tfo->stop_session(cmd->se_sess, 0, 0);
-
-                goto check_stop;
-        case PYX_TRANSPORT_LU_COMM_FAILURE:
-        case PYX_TRANSPORT_ILLEGAL_REQUEST:
-                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
-                break;
-        case PYX_TRANSPORT_UNKNOWN_MODE_PAGE:
-                cmd->scsi_sense_reason = TCM_UNKNOWN_MODE_PAGE;
-                break;
-        case PYX_TRANSPORT_WRITE_PROTECTED:
-                cmd->scsi_sense_reason = TCM_WRITE_PROTECTED;
+        switch (cmd->scsi_sense_reason) {
+        case TCM_NON_EXISTENT_LUN:
+        case TCM_UNSUPPORTED_SCSI_OPCODE:
+        case TCM_INVALID_CDB_FIELD:
+        case TCM_INVALID_PARAMETER_LIST:
+        case TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE:
+        case TCM_UNKNOWN_MODE_PAGE:
+        case TCM_WRITE_PROTECTED:
+        case TCM_CHECK_CONDITION_ABORT_CMD:
+        case TCM_CHECK_CONDITION_UNIT_ATTENTION:
+        case TCM_CHECK_CONDITION_NOT_READY:
                 break;
-        case PYX_TRANSPORT_RESERVATION_CONFLICT:
+        case TCM_RESERVATION_CONFLICT:
                 /*
                  * No SENSE Data payload for this case, set SCSI Status
                  * and queue the response to $FABRIC_MOD.
@@ -1893,15 +1849,9 @@ static void transport_generic_request_failure(
                 if (ret == -EAGAIN || ret == -ENOMEM)
                         goto queue_full;
                 goto check_stop;
-        case PYX_TRANSPORT_USE_SENSE_REASON:
-                /*
-                 * struct se_cmd->scsi_sense_reason already set
-                 */
-                break;
         default:
                 pr_err("Unknown transport error for CDB 0x%02x: %d\n",
-                        cmd->t_task_cdb[0],
-                        cmd->transport_error_status);
+                        cmd->t_task_cdb[0], cmd->scsi_sense_reason);
                 cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
                 break;
         }
@@ -1912,14 +1862,10 @@ static void transport_generic_request_failure(
          * transport_send_check_condition_and_sense() after handling
          * possible unsoliticied write data payloads.
          */
-        if (!sc && !cmd->se_tfo->new_cmd_map)
-                transport_new_cmd_failure(cmd);
-        else {
-                ret = transport_send_check_condition_and_sense(cmd,
-                                cmd->scsi_sense_reason, 0);
-                if (ret == -EAGAIN || ret == -ENOMEM)
-                        goto queue_full;
-        }
+        ret = transport_send_check_condition_and_sense(cmd,
+                        cmd->scsi_sense_reason, 0);
+        if (ret == -EAGAIN || ret == -ENOMEM)
+                goto queue_full;
 
 check_stop:
         transport_lun_remove_cmd(cmd);
@@ -2002,19 +1948,12 @@ static inline int transport_execute_task_attr(struct se_cmd *cmd)
          * to allow the passed struct se_cmd list of tasks to the front of the list.
          */
          if (cmd->sam_task_attr == MSG_HEAD_TAG) {
-                atomic_inc(&cmd->se_dev->dev_hoq_count);
-                smp_mb__after_atomic_inc();
                 pr_debug("Added HEAD_OF_QUEUE for CDB:"
                         " 0x%02x, se_ordered_id: %u\n",
                         cmd->t_task_cdb[0],
                         cmd->se_ordered_id);
                 return 1;
         } else if (cmd->sam_task_attr == MSG_ORDERED_TAG) {
-                spin_lock(&cmd->se_dev->ordered_cmd_lock);
-                list_add_tail(&cmd->se_ordered_node,
-                                &cmd->se_dev->ordered_cmd_list);
-                spin_unlock(&cmd->se_dev->ordered_cmd_lock);
-
                 atomic_inc(&cmd->se_dev->dev_ordered_sync);
                 smp_mb__after_atomic_inc();
 
@@ -2076,9 +2015,9 @@ static int transport_execute_tasks(struct se_cmd *cmd)
 {
         int add_tasks;
 
-        if (se_dev_check_online(cmd->se_orig_obj_ptr) != 0) {
-                cmd->transport_error_status = PYX_TRANSPORT_LU_COMM_FAILURE;
-                transport_generic_request_failure(cmd, 0, 1);
+        if (se_dev_check_online(cmd->se_dev) != 0) {
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                transport_generic_request_failure(cmd);
                 return 0;
         }
 
@@ -2163,14 +2102,13 @@ check_depth:
         else
                 error = dev->transport->do_task(task);
         if (error != 0) {
-                cmd->transport_error_status = error;
                 spin_lock_irqsave(&cmd->t_state_lock, flags);
                 task->task_flags &= ~TF_ACTIVE;
                 spin_unlock_irqrestore(&cmd->t_state_lock, flags);
                 atomic_set(&cmd->t_transport_sent, 0);
                 transport_stop_tasks_for_cmd(cmd);
                 atomic_inc(&dev->depth_left);
-                transport_generic_request_failure(cmd, 0, 1);
+                transport_generic_request_failure(cmd);
         }
 
         goto check_depth;
@@ -2178,19 +2116,6 @@ check_depth:
         return 0;
 }
 
-void transport_new_cmd_failure(struct se_cmd *se_cmd)
-{
-        unsigned long flags;
-        /*
-         * Any unsolicited data will get dumped for failed command inside of
-         * the fabric plugin
-         */
-        spin_lock_irqsave(&se_cmd->t_state_lock, flags);
-        se_cmd->se_cmd_flags |= SCF_SE_CMD_FAILED;
-        se_cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
-        spin_unlock_irqrestore(&se_cmd->t_state_lock, flags);
-}
-
 static inline u32 transport_get_sectors_6(
         unsigned char *cdb,
         struct se_cmd *cmd,
@@ -2213,10 +2138,15 @@ static inline u32 transport_get_sectors_6(
 
         /*
          * Everything else assume TYPE_DISK Sector CDB location.
-         * Use 8-bit sector value.
+         * Use 8-bit sector value.  SBC-3 says:
+         *
+         *   A TRANSFER LENGTH field set to zero specifies that 256
+         *   logical blocks shall be written.  Any other value
+         *   specifies the number of logical blocks that shall be
+         *   written.
          */
 type_disk:
-        return (u32)cdb[4];
+        return cdb[4] ? : 256;
 }
 
 static inline u32 transport_get_sectors_10(
@@ -2460,27 +2390,6 @@ static int transport_get_sense_data(struct se_cmd *cmd)
         return -1;
 }
 
-static int
-transport_handle_reservation_conflict(struct se_cmd *cmd)
-{
-        cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
-        cmd->se_cmd_flags |= SCF_SCSI_RESERVATION_CONFLICT;
-        cmd->scsi_status = SAM_STAT_RESERVATION_CONFLICT;
-        /*
-         * For UA Interlock Code 11b, a RESERVATION CONFLICT will
-         * establish a UNIT ATTENTION with PREVIOUS RESERVATION
-         * CONFLICT STATUS.
-         *
-         * See spc4r17, section 7.4.6 Control Mode Page, Table 349
-         */
-        if (cmd->se_sess &&
-            cmd->se_dev->se_sub_dev->se_dev_attrib.emulate_ua_intlck_ctrl == 2)
-                core_scsi3_ua_allocate(cmd->se_sess->se_node_acl,
-                        cmd->orig_fe_lun, 0x2C,
-                        ASCQ_2CH_PREVIOUS_RESERVATION_CONFLICT_STATUS);
-        return -EINVAL;
-}
-
 static inline long long transport_dev_end_lba(struct se_device *dev)
 {
         return dev->transport->get_blocks(dev) + 1;
@@ -2595,8 +2504,12 @@ static int transport_generic_cmd_sequencer(
          */
         if (su_dev->t10_pr.pr_ops.t10_reservation_check(cmd, &pr_reg_type) != 0) {
                 if (su_dev->t10_pr.pr_ops.t10_seq_non_holder(
-                                        cmd, cdb, pr_reg_type) != 0)
-                        return transport_handle_reservation_conflict(cmd);
+                                        cmd, cdb, pr_reg_type) != 0) {
+                        cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
+                        cmd->se_cmd_flags |= SCF_SCSI_RESERVATION_CONFLICT;
+                        cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                        return -EBUSY;
+                }
                 /*
                  * This means the CDB is allowed for the SCSI Initiator port
                  * when said port is *NOT* holding the legacy SPC-2 or
@@ -2658,7 +2571,8 @@ static int transport_generic_cmd_sequencer(
                         goto out_unsupported_cdb;
                 size = transport_get_size(sectors, cdb, cmd);
                 cmd->t_task_lba = transport_lba_32(cdb);
-                cmd->t_tasks_fua = (cdb[1] & 0x8);
+                if (cdb[1] & 0x8)
+                        cmd->se_cmd_flags |= SCF_FUA;
                 cmd->se_cmd_flags |= SCF_SCSI_DATA_SG_IO_CDB;
                 break;
         case WRITE_12:
@@ -2667,7 +2581,8 @@ static int transport_generic_cmd_sequencer(
                         goto out_unsupported_cdb;
                 size = transport_get_size(sectors, cdb, cmd);
                 cmd->t_task_lba = transport_lba_32(cdb);
-                cmd->t_tasks_fua = (cdb[1] & 0x8);
+                if (cdb[1] & 0x8)
+                        cmd->se_cmd_flags |= SCF_FUA;
                 cmd->se_cmd_flags |= SCF_SCSI_DATA_SG_IO_CDB;
                 break;
         case WRITE_16:
@@ -2676,12 +2591,13 @@ static int transport_generic_cmd_sequencer(
                         goto out_unsupported_cdb;
                 size = transport_get_size(sectors, cdb, cmd);
                 cmd->t_task_lba = transport_lba_64(cdb);
-                cmd->t_tasks_fua = (cdb[1] & 0x8);
+                if (cdb[1] & 0x8)
+                        cmd->se_cmd_flags |= SCF_FUA;
                 cmd->se_cmd_flags |= SCF_SCSI_DATA_SG_IO_CDB;
                 break;
         case XDWRITEREAD_10:
                 if ((cmd->data_direction != DMA_TO_DEVICE) ||
-                    !(cmd->t_tasks_bidi))
+                    !(cmd->se_cmd_flags & SCF_BIDI))
                         goto out_invalid_cdb_field;
                 sectors = transport_get_sectors_10(cdb, cmd, &sector_ret);
                 if (sector_ret)
@@ -2700,7 +2616,8 @@ static int transport_generic_cmd_sequencer(
                  * Setup BIDI XOR callback to be run after I/O completion.
                  */
                 cmd->transport_complete_callback = &transport_xor_callback;
-                cmd->t_tasks_fua = (cdb[1] & 0x8);
+                if (cdb[1] & 0x8)
+                        cmd->se_cmd_flags |= SCF_FUA;
                 break;
         case VARIABLE_LENGTH_CMD:
                 service_action = get_unaligned_be16(&cdb[8]);
@@ -2728,7 +2645,8 @@ static int transport_generic_cmd_sequencer(
                          * completion.
                          */
                         cmd->transport_complete_callback = &transport_xor_callback;
-                        cmd->t_tasks_fua = (cdb[10] & 0x8);
+                        if (cdb[1] & 0x8)
+                                cmd->se_cmd_flags |= SCF_FUA;
                         break;
                 case WRITE_SAME_32:
                         sectors = transport_get_sectors_32(cdb, cmd, &sector_ret);
@@ -3171,18 +3089,13 @@ static void transport_complete_task_attr(struct se_cmd *cmd)
                         " SIMPLE: %u\n", dev->dev_cur_ordered_id,
                         cmd->se_ordered_id);
         } else if (cmd->sam_task_attr == MSG_HEAD_TAG) {
-                atomic_dec(&dev->dev_hoq_count);
-                smp_mb__after_atomic_dec();
                 dev->dev_cur_ordered_id++;
                 pr_debug("Incremented dev_cur_ordered_id: %u for"
                         " HEAD_OF_QUEUE: %u\n", dev->dev_cur_ordered_id,
                         cmd->se_ordered_id);
         } else if (cmd->sam_task_attr == MSG_ORDERED_TAG) {
-                spin_lock(&dev->ordered_cmd_lock);
-                list_del(&cmd->se_ordered_node);
                 atomic_dec(&dev->dev_ordered_sync);
                 smp_mb__after_atomic_dec();
-                spin_unlock(&dev->ordered_cmd_lock);
 
                 dev->dev_cur_ordered_id++;
                 pr_debug("Incremented dev_cur_ordered_id: %u for ORDERED:"
@@ -3495,6 +3408,18 @@ int transport_generic_map_mem_to_cmd(
 
         if ((cmd->se_cmd_flags & SCF_SCSI_DATA_SG_IO_CDB) ||
             (cmd->se_cmd_flags & SCF_SCSI_CONTROL_SG_IO_CDB)) {
+                /*
+                 * Reject SCSI data overflow with map_mem_to_cmd() as incoming
+                 * scatterlists already have been set to follow what the fabric
+                 * passes for the original expected data transfer length.
+                 */
+                if (cmd->se_cmd_flags & SCF_OVERFLOW_BIT) {
+                        pr_warn("Rejecting SCSI DATA overflow for fabric using"
+                                " SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC\n");
+                        cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
+                        cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+                        return -EINVAL;
+                }
 
                 cmd->t_data_sg = sgl;
                 cmd->t_data_nents = sgl_count;
@@ -3813,7 +3738,7 @@ int transport_generic_new_cmd(struct se_cmd *cmd)
             cmd->data_length) {
                 ret = transport_generic_get_mem(cmd);
                 if (ret < 0)
-                        return ret;
+                        goto out_fail;
         }
 
         /*
@@ -3842,8 +3767,15 @@ int transport_generic_new_cmd(struct se_cmd *cmd)
                 task_cdbs = transport_allocate_control_task(cmd);
         }
 
-        if (task_cdbs <= 0)
+        if (task_cdbs < 0)
                 goto out_fail;
+        else if (!task_cdbs && (cmd->se_cmd_flags & SCF_SCSI_DATA_SG_IO_CDB)) {
+                cmd->t_state = TRANSPORT_COMPLETE;
+                atomic_set(&cmd->t_transport_active, 1);
+                INIT_WORK(&cmd->work, target_complete_ok_work);
+                queue_work(target_completion_wq, &cmd->work);
+                return 0;
+        }
 
         if (set_counts) {
                 atomic_inc(&cmd->t_fe_count);
@@ -3929,7 +3861,7 @@ static int transport_generic_write_pending(struct se_cmd *cmd)
         else if (ret < 0)
                 return ret;
 
-        return PYX_TRANSPORT_WRITE_PENDING;
+        return 1;
 
 queue_full:
         pr_debug("Handling write_pending QUEUE__FULL: se_cmd: %p\n", cmd);
@@ -4602,9 +4534,6 @@ void transport_send_task_abort(struct se_cmd *cmd)
                 if (cmd->se_tfo->write_pending_status(cmd) != 0) {
                         atomic_inc(&cmd->t_transport_aborted);
                         smp_mb__after_atomic_inc();
-                        cmd->scsi_status = SAM_STAT_TASK_ABORTED;
-                        transport_new_cmd_failure(cmd);
-                        return;
                 }
         }
         cmd->scsi_status = SAM_STAT_TASK_ABORTED;
@@ -4670,8 +4599,6 @@ static int transport_processing_thread(void *param)
         struct se_cmd *cmd;
         struct se_device *dev = (struct se_device *) param;
 
-        set_user_nice(current, -20);
-
         while (!kthread_should_stop()) {
                 ret = wait_event_interruptible(dev->dev_queue_obj.thread_wq,
                                 atomic_read(&dev->dev_queue_obj.queue_cnt) ||
@@ -4698,18 +4625,13 @@ get_cmd:
                         }
                         ret = cmd->se_tfo->new_cmd_map(cmd);
                         if (ret < 0) {
-                                cmd->transport_error_status = ret;
-                                transport_generic_request_failure(cmd,
-                                                0, (cmd->data_direction !=
-                                                    DMA_TO_DEVICE));
+                                transport_generic_request_failure(cmd);
                                 break;
                         }
                         ret = transport_generic_new_cmd(cmd);
                         if (ret < 0) {
-                                cmd->transport_error_status = ret;
-                                transport_generic_request_failure(cmd,
-                                        0, (cmd->data_direction !=
-                                         DMA_TO_DEVICE));
+                                transport_generic_request_failure(cmd);
+                                break;
                         }
                         break;
                 case TRANSPORT_PROCESS_WRITE:
diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c
index 4fac37c4c615..71fc9cea5dc9 100644
--- a/drivers/target/tcm_fc/tfc_cmd.c
+++ b/drivers/target/tcm_fc/tfc_cmd.c
@@ -200,7 +200,7 @@ int ft_write_pending(struct se_cmd *se_cmd)
         lport = ep->lp;
         fp = fc_frame_alloc(lport, sizeof(*txrdy));
         if (!fp)
-                return PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES;
+                return -ENOMEM; /* Signal QUEUE_FULL */
 
         txrdy = fc_frame_payload_get(fp, sizeof(*txrdy));
         memset(txrdy, 0, sizeof(*txrdy));
diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c
index 5f770412ca40..9402b7387cac 100644
--- a/drivers/target/tcm_fc/tfc_conf.c
+++ b/drivers/target/tcm_fc/tfc_conf.c
@@ -436,8 +436,7 @@ static void ft_del_lport(struct se_wwn *wwn)
         struct ft_lport_acl *lacl = container_of(wwn,
                                 struct ft_lport_acl, fc_lport_wwn);
 
-        pr_debug("del lport %s\n",
-                        config_item_name(&wwn->wwn_group.cg_item));
+        pr_debug("del lport %s\n", lacl->name);
         mutex_lock(&ft_lport_lock);
         list_del(&lacl->list);
         mutex_unlock(&ft_lport_lock);
diff --git a/drivers/usb/gadget/amd5536udc.c b/drivers/usb/gadget/amd5536udc.c
index 4730016d7cd4..45f422ac103f 100644
--- a/drivers/usb/gadget/amd5536udc.c
+++ b/drivers/usb/gadget/amd5536udc.c
@@ -1959,7 +1959,7 @@ static int amd5536_start(struct usb_gadget_driver *driver,
         u32 tmp;
 
         if (!driver || !bind || !driver->setup
-                        || driver->speed != USB_SPEED_HIGH)
+                        || driver->speed < USB_SPEED_HIGH)
                 return -EINVAL;
         if (!dev)
                 return -ENODEV;
diff --git a/drivers/usb/gadget/f_serial.c b/drivers/usb/gadget/f_serial.c
index 91fdf790ed20..cf33a8d0fd5d 100644
--- a/drivers/usb/gadget/f_serial.c
+++ b/drivers/usb/gadget/f_serial.c
@@ -131,8 +131,8 @@ static int gser_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
         }
         if (!gser->port.in->desc || !gser->port.out->desc) {
                 DBG(cdev, "activate generic ttyGS%d\n", gser->port_num);
-                if (!config_ep_by_speed(cdev->gadget, f, gser->port.in) ||
-                    !config_ep_by_speed(cdev->gadget, f, gser->port.out)) {
+                if (config_ep_by_speed(cdev->gadget, f, gser->port.in) ||
+                    config_ep_by_speed(cdev->gadget, f, gser->port.out)) {
                         gser->port.in->desc = NULL;
                         gser->port.out->desc = NULL;
                         return -EINVAL;
diff --git a/drivers/usb/gadget/fsl_mxc_udc.c b/drivers/usb/gadget/fsl_mxc_udc.c
index 43a49ecc1f36..dcbc0a2e48dd 100644
--- a/drivers/usb/gadget/fsl_mxc_udc.c
+++ b/drivers/usb/gadget/fsl_mxc_udc.c
@@ -16,6 +16,7 @@
 #include <linux/err.h>
 #include <linux/fsl_devices.h>
 #include <linux/platform_device.h>
+#include <linux/io.h>
 
 #include <mach/hardware.h>
 
@@ -88,7 +89,6 @@ eenahb:
 void fsl_udc_clk_finalize(struct platform_device *pdev)
 {
         struct fsl_usb2_platform_data *pdata = pdev->dev.platform_data;
-#if defined(CONFIG_SOC_IMX35)
         if (cpu_is_mx35()) {
                 unsigned int v;
 
@@ -101,7 +101,6 @@ void fsl_udc_clk_finalize(struct platform_device *pdev)
                                         USBPHYCTRL_OTGBASE_OFFSET));
                 }
         }
-#endif
 
         /* ULPI transceivers don't need usbpll */
         if (pdata->phy_mode == FSL_USB2_PHY_ULPI) {
diff --git a/drivers/usb/gadget/fsl_qe_udc.c b/drivers/usb/gadget/fsl_qe_udc.c
index 2a03e4de11c1..e00cf92409ce 100644
--- a/drivers/usb/gadget/fsl_qe_udc.c
+++ b/drivers/usb/gadget/fsl_qe_udc.c
@@ -2336,8 +2336,7 @@ static int fsl_qe_start(struct usb_gadget_driver *driver,
         if (!udc_controller)
                 return -ENODEV;
 
-        if (!driver || (driver->speed != USB_SPEED_FULL
-                        && driver->speed != USB_SPEED_HIGH)
+        if (!driver || driver->speed < USB_SPEED_FULL
                         || !bind || !driver->disconnect || !driver->setup)
                 return -EINVAL;
 
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index b3b3d83b7c33..dd28ef3def71 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -696,12 +696,31 @@ static void fsl_free_request(struct usb_ep *_ep, struct usb_request *_req)
                 kfree(req);
 }
 
-/*-------------------------------------------------------------------------*/
+/* Actually add a dTD chain to an empty dQH and let go */
+static void fsl_prime_ep(struct fsl_ep *ep, struct ep_td_struct *td)
+{
+        struct ep_queue_head *qh = get_qh_by_ep(ep);
+
+        /* Write dQH next pointer and terminate bit to 0 */
+        qh->next_dtd_ptr = cpu_to_hc32(td->td_dma
+                        & EP_QUEUE_HEAD_NEXT_POINTER_MASK);
+
+        /* Clear active and halt bit */
+        qh->size_ioc_int_sts &= cpu_to_hc32(~(EP_QUEUE_HEAD_STATUS_ACTIVE
+                                        | EP_QUEUE_HEAD_STATUS_HALT));
+
+        /* Ensure that updates to the QH will occur before priming. */
+        wmb();
+
+        /* Prime endpoint by writing correct bit to ENDPTPRIME */
+        fsl_writel(ep_is_in(ep) ? (1 << (ep_index(ep) + 16))
+                        : (1 << (ep_index(ep))), &dr_regs->endpointprime);
+}
+
+/* Add dTD chain to the dQH of an EP */
 static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
 {
-        int i = ep_index(ep) * 2 + ep_is_in(ep);
         u32 temp, bitmask, tmp_stat;
-        struct ep_queue_head *dQH = &ep->udc->ep_qh[i];
 
         /* VDBG("QH addr Register 0x%8x", dr_regs->endpointlistaddr);
         VDBG("ep_qh[%d] addr is 0x%8x", i, (u32)&(ep->udc->ep_qh[i])); */
@@ -719,7 +738,7 @@ static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
                         cpu_to_hc32(req->head->td_dma & DTD_ADDR_MASK);
                 /* Read prime bit, if 1 goto done */
                 if (fsl_readl(&dr_regs->endpointprime) & bitmask)
-                        goto out;
+                        return;
 
                 do {
                         /* Set ATDTW bit in USBCMD */
@@ -736,28 +755,10 @@ static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
                 fsl_writel(temp & ~USB_CMD_ATDTW, &dr_regs->usbcmd);
 
                 if (tmp_stat)
-                        goto out;
+                        return;
         }
 
-        /* Write dQH next pointer and terminate bit to 0 */
-        temp = req->head->td_dma & EP_QUEUE_HEAD_NEXT_POINTER_MASK;
-        dQH->next_dtd_ptr = cpu_to_hc32(temp);
-
-        /* Clear active and halt bit */
-        temp = cpu_to_hc32(~(EP_QUEUE_HEAD_STATUS_ACTIVE
-                        | EP_QUEUE_HEAD_STATUS_HALT));
-        dQH->size_ioc_int_sts &= temp;
-
-        /* Ensure that updates to the QH will occur before priming. */
-        wmb();
-
-        /* Prime endpoint by writing 1 to ENDPTPRIME */
-        temp = ep_is_in(ep)
-                ? (1 << (ep_index(ep) + 16))
-                : (1 << (ep_index(ep)));
-        fsl_writel(temp, &dr_regs->endpointprime);
-out:
-        return;
+        fsl_prime_ep(ep, req->head);
 }
 
 /* Fill in the dTD structure
@@ -877,7 +878,7 @@ fsl_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
                 VDBG("%s, bad ep", __func__);
                 return -EINVAL;
         }
-        if (ep->desc->bmAttributes == USB_ENDPOINT_XFER_ISOC) {
+        if (usb_endpoint_xfer_isoc(ep->desc)) {
                 if (req->req.length > ep->ep.maxpacket)
                         return -EMSGSIZE;
         }
@@ -973,25 +974,20 @@ static int fsl_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req)
 
                 /* The request isn't the last request in this ep queue */
                 if (req->queue.next != &ep->queue) {
-                        struct ep_queue_head *qh;
                         struct fsl_req *next_req;
 
-                        qh = ep->qh;
                         next_req = list_entry(req->queue.next, struct fsl_req,
                                         queue);
 
-                        /* Point the QH to the first TD of next request */
-                        fsl_writel((u32) next_req->head, &qh->curr_dtd_ptr);
+                        /* prime with dTD of next request */
+                        fsl_prime_ep(ep, next_req->head);
                 }
-
-                /* The request hasn't been processed, patch up the TD chain */
+        /* The request hasn't been processed, patch up the TD chain */
         } else {
                 struct fsl_req *prev_req;
 
                 prev_req = list_entry(req->queue.prev, struct fsl_req, queue);
-                fsl_writel(fsl_readl(&req->tail->next_td_ptr),
-                                &prev_req->tail->next_td_ptr);
-
+                prev_req->tail->next_td_ptr = req->tail->next_td_ptr;
         }
 
         done(ep, req, -ECONNRESET);
@@ -1032,7 +1028,7 @@ static int fsl_ep_set_halt(struct usb_ep *_ep, int value)
                 goto out;
         }
 
-        if (ep->desc->bmAttributes == USB_ENDPOINT_XFER_ISOC) {
+        if (usb_endpoint_xfer_isoc(ep->desc)) {
                 status = -EOPNOTSUPP;
                 goto out;
         }
@@ -1068,7 +1064,7 @@ static int fsl_ep_fifo_status(struct usb_ep *_ep)
         struct fsl_udc *udc;
         int size = 0;
         u32 bitmask;
-        struct ep_queue_head *d_qh;
+        struct ep_queue_head *qh;
 
         ep = container_of(_ep, struct fsl_ep, ep);
         if (!_ep || (!ep->desc && ep_index(ep) != 0))
@@ -1079,13 +1075,13 @@ static int fsl_ep_fifo_status(struct usb_ep *_ep)
         if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN)
                 return -ESHUTDOWN;
 
-        d_qh = &ep->udc->ep_qh[ep_index(ep) * 2 + ep_is_in(ep)];
+        qh = get_qh_by_ep(ep);
 
         bitmask = (ep_is_in(ep)) ? (1 << (ep_index(ep) + 16)) :
             (1 << (ep_index(ep)));
 
         if (fsl_readl(&dr_regs->endptstatus) & bitmask)
-                size = (d_qh->size_ioc_int_sts & DTD_PACKET_SIZE)
+                size = (qh->size_ioc_int_sts & DTD_PACKET_SIZE)
                     >> DTD_LENGTH_BIT_POS;
 
         pr_debug("%s %u\n", __func__, size);
@@ -1938,8 +1934,7 @@ static int fsl_start(struct usb_gadget_driver *driver,
         if (!udc_controller)
                 return -ENODEV;
 
-        if (!driver || (driver->speed != USB_SPEED_FULL
-                                && driver->speed != USB_SPEED_HIGH)
+        if (!driver || driver->speed < USB_SPEED_FULL
                         || !bind || !driver->disconnect || !driver->setup)
                 return -EINVAL;
 
diff --git a/drivers/usb/gadget/fsl_usb2_udc.h b/drivers/usb/gadget/fsl_usb2_udc.h
index 1d51be83fda8..f781f5dec417 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.h
+++ b/drivers/usb/gadget/fsl_usb2_udc.h
@@ -569,6 +569,16 @@ static void dump_msg(const char *label, const u8 * buf, unsigned int length)
                                         * 2 + ((windex & USB_DIR_IN) ? 1 : 0))
 #define get_pipe_by_ep(EP)      (ep_index(EP) * 2 + ep_is_in(EP))
 
+static inline struct ep_queue_head *get_qh_by_ep(struct fsl_ep *ep)
+{
+        /* we only have one ep0 structure but two queue heads */
+        if (ep_index(ep) != 0)
+                return ep->qh;
+        else
+                return &ep->udc->ep_qh[(ep->udc->ep0_dir ==
+                                USB_DIR_IN) ? 1 : 0];
+}
+
 struct platform_device;
 #ifdef CONFIG_ARCH_MXC
 int fsl_udc_clk_init(struct platform_device *pdev);
diff --git a/drivers/usb/gadget/m66592-udc.c b/drivers/usb/gadget/m66592-udc.c
index 91d0af2a24a8..9aa1cbbee45b 100644
--- a/drivers/usb/gadget/m66592-udc.c
+++ b/drivers/usb/gadget/m66592-udc.c
@@ -1472,7 +1472,7 @@ static int m66592_start(struct usb_gadget_driver *driver,
         int retval;
 
         if (!driver
-                        || driver->speed != USB_SPEED_HIGH
+                        || driver->speed < USB_SPEED_HIGH
                         || !bind
                         || !driver->setup)
                 return -EINVAL;
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index 7f1bc9a73cda..da2b9d0be3ca 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -1881,7 +1881,7 @@ static int net2280_start(struct usb_gadget *_gadget,
          * (dev->usb->xcvrdiag & FORCE_FULL_SPEED_MODE)
          * "must not be used in normal operation"
          */
-        if (!driver || driver->speed != USB_SPEED_HIGH
+        if (!driver || driver->speed < USB_SPEED_HIGH
                         || !driver->setup)
                 return -EINVAL;
 
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index 24f84b210ce1..fc719a3f8557 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -1746,7 +1746,7 @@ static int r8a66597_start(struct usb_gadget *gadget,
         struct r8a66597 *r8a66597 = gadget_to_r8a66597(gadget);
 
         if (!driver
-                        || driver->speed != USB_SPEED_HIGH
+                        || driver->speed < USB_SPEED_HIGH
                         || !driver->setup)
                 return -EINVAL;
         if (!r8a66597)
diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c
index a552453dc946..b31448229f0b 100644
--- a/drivers/usb/gadget/s3c-hsotg.c
+++ b/drivers/usb/gadget/s3c-hsotg.c
@@ -2586,10 +2586,8 @@ static int s3c_hsotg_start(struct usb_gadget_driver *driver,
                 return -EINVAL;
         }
 
-        if (driver->speed != USB_SPEED_HIGH &&
-            driver->speed != USB_SPEED_FULL) {
+        if (driver->speed < USB_SPEED_FULL)
                 dev_err(hsotg->dev, "%s: bad speed\n", __func__);
-        }
 
         if (!bind || !driver->setup) {
                 dev_err(hsotg->dev, "%s: missing entry points\n", __func__);
diff --git a/drivers/usb/gadget/s3c-hsudc.c b/drivers/usb/gadget/s3c-hsudc.c
index 8d54f893cefe..20a553b46aed 100644
--- a/drivers/usb/gadget/s3c-hsudc.c
+++ b/drivers/usb/gadget/s3c-hsudc.c
@@ -1142,8 +1142,7 @@ static int s3c_hsudc_start(struct usb_gadget_driver *driver,
         int ret;
 
         if (!driver
-                || (driver->speed != USB_SPEED_FULL &&
-                        driver->speed != USB_SPEED_HIGH)
+                || driver->speed < USB_SPEED_FULL
                 || !bind
                 || !driver->unbind || !driver->disconnect || !driver->setup)
                 return -EINVAL;
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 56a32033adb3..a60679cbbf85 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -1475,6 +1475,7 @@ iso_stream_schedule (
          * jump until after the queue is primed.
          */
         else {
+                int done = 0;
                 start = SCHEDULE_SLOP + (now & ~0x07);
 
                 /* NOTE:  assumes URB_ISO_ASAP, to limit complexity/bugs */
@@ -1492,18 +1493,18 @@ iso_stream_schedule (
                         if (stream->highspeed) {
                                 if (itd_slot_ok(ehci, mod, start,
                                                 stream->usecs, period))
-                                        break;
+                                        done = 1;
                         } else {
                                 if ((start % 8) >= 6)
                                         continue;
                                 if (sitd_slot_ok(ehci, mod, stream,
                                                 start, sched, period))
-                                        break;
+                                        done = 1;
                         }
-                } while (start > next);
+                } while (start > next && !done);
 
                 /* no room in the schedule */
-                if (start == next) {
+                if (!done) {
                         ehci_dbg(ehci, "iso resched full %p (now %d max %d)\n",
                                 urb, now, now + mod);
                         status = -ENOSPC;
diff --git a/drivers/usb/host/whci/qset.c b/drivers/usb/host/whci/qset.c
index d6e175428618..a403b53e86b9 100644
--- a/drivers/usb/host/whci/qset.c
+++ b/drivers/usb/host/whci/qset.c
@@ -124,7 +124,7 @@ void qset_clear(struct whc *whc, struct whc_qset *qset)
 {
         qset->td_start = qset->td_end = qset->ntds = 0;
 
-        qset->qh.link = cpu_to_le32(QH_LINK_NTDS(8) | QH_LINK_T);
+        qset->qh.link = cpu_to_le64(QH_LINK_NTDS(8) | QH_LINK_T);
         qset->qh.status = qset->qh.status & QH_STATUS_SEQ_MASK;
         qset->qh.err_count = 0;
         qset->qh.scratch[0] = 0;
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index aa94c0195791..a1afb7c39f7e 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -711,7 +711,10 @@ static void xhci_clear_command_ring(struct xhci_hcd *xhci)
         ring = xhci->cmd_ring;
         seg = ring->deq_seg;
         do {
-                memset(seg->trbs, 0, SEGMENT_SIZE);
+                memset(seg->trbs, 0,
+                        sizeof(union xhci_trb) * (TRBS_PER_SEGMENT - 1));
+                seg->trbs[TRBS_PER_SEGMENT - 1].link.control &=
+                        cpu_to_le32(~TRB_CYCLE);
                 seg = seg->next;
         } while (seg != ring->deq_seg);
 
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index c1fa12ec7a9a..b63ab1570103 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -2301,18 +2301,12 @@ static int musb_suspend(struct device *dev)
                  */
         }
 
-        musb_save_context(musb);
-
         spin_unlock_irqrestore(&musb->lock, flags);
         return 0;
 }
 
 static int musb_resume_noirq(struct device *dev)
 {
-        struct musb     *musb = dev_to_musb(dev);
-
-        musb_restore_context(musb);
-
         /* for static cmos like DaVinci, register values were preserved
          * unless for some reason the whole soc powered down or the USB
          * module got reset through the PSC (vs just being disabled).
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index d51043acfe1a..922148ff8d29 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1903,7 +1903,7 @@ static int musb_gadget_start(struct usb_gadget *g,
         unsigned long           flags;
         int                     retval = -EINVAL;
 
-        if (driver->speed != USB_SPEED_HIGH)
+        if (driver->speed < USB_SPEED_HIGH)
                 goto err0;
 
         pm_runtime_get_sync(musb->controller);
diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index d9717e0bc1ff..7f4e80338570 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -751,53 +751,32 @@ static int usbhsg_gadget_start(struct usb_gadget *gadget,
                 struct usb_gadget_driver *driver)
 {
         struct usbhsg_gpriv *gpriv = usbhsg_gadget_to_gpriv(gadget);
-        struct usbhs_priv *priv;
-        struct device *dev;
-        int ret;
+        struct usbhs_priv *priv = usbhsg_gpriv_to_priv(gpriv);
 
         if (!driver             ||
             !driver->setup      ||
-            driver->speed != USB_SPEED_HIGH)
+            driver->speed < USB_SPEED_FULL)
                 return -EINVAL;
 
-        dev  = usbhsg_gpriv_to_dev(gpriv);
-        priv = usbhsg_gpriv_to_priv(gpriv);
-
         /* first hook up the driver ... */
         gpriv->driver = driver;
         gpriv->gadget.dev.driver = &driver->driver;
 
-        ret = device_add(&gpriv->gadget.dev);
-        if (ret) {
-                dev_err(dev, "device_add error %d\n", ret);
-                goto add_fail;
-        }
-
         return usbhsg_try_start(priv, USBHSG_STATUS_REGISTERD);
-
-add_fail:
-        gpriv->driver = NULL;
-        gpriv->gadget.dev.driver = NULL;
-
-        return ret;
 }
 
 static int usbhsg_gadget_stop(struct usb_gadget *gadget,
                 struct usb_gadget_driver *driver)
 {
         struct usbhsg_gpriv *gpriv = usbhsg_gadget_to_gpriv(gadget);
-        struct usbhs_priv *priv;
-        struct device *dev;
+        struct usbhs_priv *priv = usbhsg_gpriv_to_priv(gpriv);
 
         if (!driver             ||
             !driver->unbind)
                 return -EINVAL;
 
-        dev  = usbhsg_gpriv_to_dev(gpriv);
-        priv = usbhsg_gpriv_to_priv(gpriv);
-
         usbhsg_try_stop(priv, USBHSG_STATUS_REGISTERD);
-        device_del(&gpriv->gadget.dev);
+        gpriv->gadget.dev.driver = NULL;
         gpriv->driver = NULL;
 
         return 0;
@@ -827,6 +806,13 @@ static int usbhsg_start(struct usbhs_priv *priv)
 
 static int usbhsg_stop(struct usbhs_priv *priv)
 {
+        struct usbhsg_gpriv *gpriv = usbhsg_priv_to_gpriv(priv);
+
+        /* cable disconnect */
+        if (gpriv->driver &&
+            gpriv->driver->disconnect)
+                gpriv->driver->disconnect(&gpriv->gadget);
+
         return usbhsg_try_stop(priv, USBHSG_STATUS_STARTED);
 }
 
@@ -876,12 +862,14 @@ int usbhs_mod_gadget_probe(struct usbhs_priv *priv)
         /*
          * init gadget
          */
-        device_initialize(&gpriv->gadget.dev);
         dev_set_name(&gpriv->gadget.dev, "gadget");
         gpriv->gadget.dev.parent        = dev;
         gpriv->gadget.name              = "renesas_usbhs_udc";
         gpriv->gadget.ops               = &usbhsg_gadget_ops;
         gpriv->gadget.is_dualspeed      = 1;
+        ret = device_register(&gpriv->gadget.dev);
+        if (ret < 0)
+                goto err_add_udc;
 
         INIT_LIST_HEAD(&gpriv->gadget.ep_list);
 
@@ -912,12 +900,15 @@ int usbhs_mod_gadget_probe(struct usbhs_priv *priv)
 
         ret = usb_add_gadget_udc(dev, &gpriv->gadget);
         if (ret)
-                goto err_add_udc;
+                goto err_register;
 
 
         dev_info(dev, "gadget probed\n");
 
         return 0;
+
+err_register:
+        device_unregister(&gpriv->gadget.dev);
 err_add_udc:
         kfree(gpriv->uep);
 
@@ -933,6 +924,8 @@ void usbhs_mod_gadget_remove(struct usbhs_priv *priv)
 
         usb_del_gadget_udc(&gpriv->gadget);
 
+        device_unregister(&gpriv->gadget.dev);
+
         usbhsg_controller_unregister(gpriv);
 
         kfree(gpriv->uep);
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index bd4298bb6750..ff3db5d056a5 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -736,6 +736,7 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) },
         { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID),
                 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
         { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID),
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 571fa96b49c7..055b64ef0bba 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -112,6 +112,7 @@
 
 /* Propox devices */
 #define FTDI_PROPOX_JTAGCABLEII_PID     0xD738
+#define FTDI_PROPOX_ISPCABLEIII_PID     0xD739
 
 /* Lenz LI-USB Computer Interface. */
 #define FTDI_LENZ_LIUSB_PID     0xD780
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index d865878c9f97..e3426602dc82 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -661,6 +661,9 @@ static const struct usb_device_id option_ids[] = {
         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4511, 0xff, 0x01, 0x31) },
         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4511, 0xff, 0x01, 0x32) },
         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x01) },
+        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x02) },
+        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x03) },
+        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x08) },
         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) },
         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) },
         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V740) },
@@ -747,6 +750,7 @@ static const struct usb_device_id option_ids[] = {
         { 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 */
         { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6008) },
         { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 3041a974faf3..24caba79d722 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1854,6 +1854,13 @@ UNUSUAL_DEV(  0x1370, 0x6828, 0x0110, 0x0110,
                 USB_SC_DEVICE, USB_PR_DEVICE, NULL,
                 US_FL_IGNORE_RESIDUE ),
 
+/* Reported by Qinglin Ye <yestyle@gmail.com> */
+UNUSUAL_DEV(  0x13fe, 0x3600, 0x0100, 0x0100,
+                "Kingston",
+                "DT 101 G2",
+                USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+                US_FL_BULK_IGNORE_TAG ),
+
 /* Reported by Francesco Foresti <frafore@tiscali.it> */
 UNUSUAL_DEV(  0x14cd, 0x6600, 0x0201, 0x0201,
                 "Super Top",
diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index 55f91d9ab00b..29577bf1f559 100644
--- a/drivers/video/da8xx-fb.c
+++ b/drivers/video/da8xx-fb.c
@@ -116,6 +116,7 @@
 /* Clock registers available only on Version 2 */
 #define  LCD_CLK_ENABLE_REG                     0x6c
 #define  LCD_CLK_RESET_REG                      0x70
+#define  LCD_CLK_MAIN_RESET                     BIT(3)
 
 #define LCD_NUM_BUFFERS 2
 
@@ -244,6 +245,10 @@ static inline void lcd_enable_raster(void)
 {
         u32 reg;
 
+        /* Bring LCDC out of reset */
+        if (lcd_revision == LCD_VERSION_2)
+                lcdc_write(0, LCD_CLK_RESET_REG);
+
         reg = lcdc_read(LCD_RASTER_CTRL_REG);
         if (!(reg & LCD_RASTER_ENABLE))
                 lcdc_write(reg | LCD_RASTER_ENABLE, LCD_RASTER_CTRL_REG);
@@ -257,6 +262,10 @@ static inline void lcd_disable_raster(void)
         reg = lcdc_read(LCD_RASTER_CTRL_REG);
         if (reg & LCD_RASTER_ENABLE)
                 lcdc_write(reg & ~LCD_RASTER_ENABLE, LCD_RASTER_CTRL_REG);
+
+        if (lcd_revision == LCD_VERSION_2)
+                /* Write 1 to reset LCDC */
+                lcdc_write(LCD_CLK_MAIN_RESET, LCD_CLK_RESET_REG);
 }
 
 static void lcd_blit(int load_mode, struct da8xx_fb_par *par)
@@ -584,8 +593,12 @@ static void lcd_reset(struct da8xx_fb_par *par)
         lcdc_write(0, LCD_DMA_CTRL_REG);
         lcdc_write(0, LCD_RASTER_CTRL_REG);
 
-        if (lcd_revision == LCD_VERSION_2)
+        if (lcd_revision == LCD_VERSION_2) {
                 lcdc_write(0, LCD_INT_ENABLE_SET_REG);
+                /* Write 1 to reset */
+                lcdc_write(LCD_CLK_MAIN_RESET, LCD_CLK_RESET_REG);
+                lcdc_write(0, LCD_CLK_RESET_REG);
+        }
 }
 
 static void lcd_calc_clk_divider(struct da8xx_fb_par *par)
diff --git a/drivers/video/omap/dispc.c b/drivers/video/omap/dispc.c
index 0ccd7adf47bb..6f61e781f15a 100644
--- a/drivers/video/omap/dispc.c
+++ b/drivers/video/omap/dispc.c
@@ -19,6 +19,7 @@
  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  */
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/dma-mapping.h>
 #include <linux/mm.h>
 #include <linux/vmalloc.h>
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index 3532782551cb..5c81533eacaa 100644
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -1720,12 +1720,11 @@ static int dispc_ovl_calc_scaling(enum omap_plane plane,
         const int maxdownscale = dss_feat_get_param_max(FEAT_PARAM_DOWNSCALE);
         unsigned long fclk = 0;
 
-        if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0) {
-                if (width != out_width || height != out_height)
-                        return -EINVAL;
-                else
-                        return 0;
-        }
+        if (width == out_width && height == out_height)
+                return 0;
+
+        if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0)
+                return -EINVAL;
 
         if (out_width < width / maxdownscale ||
                         out_width > width * 8)
diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c
index 3262f0f1fa35..c56378c555b0 100644
--- a/drivers/video/omap2/dss/hdmi.c
+++ b/drivers/video/omap2/dss/hdmi.c
@@ -269,7 +269,7 @@ static void update_hdmi_timings(struct hdmi_config *cfg,
 unsigned long hdmi_get_pixel_clock(void)
 {
         /* HDMI Pixel Clock in Mhz */
-        return hdmi.ip_data.cfg.timings.timings.pixel_clock * 10000;
+        return hdmi.ip_data.cfg.timings.timings.pixel_clock * 1000;
 }
 
 static void hdmi_compute_pll(struct omap_dss_device *dssdev, int phy,
diff --git a/drivers/video/via/share.h b/drivers/video/via/share.h
index 69d882cbe709..c01c1c162726 100644
--- a/drivers/video/via/share.h
+++ b/drivers/video/via/share.h
@@ -559,8 +559,8 @@
 #define M1200X720_R60_VSP       POSITIVE
 
 /* 1200x900@60 Sync Polarity (DCON) */
-#define M1200X900_R60_HSP       NEGATIVE
-#define M1200X900_R60_VSP       NEGATIVE
+#define M1200X900_R60_HSP       POSITIVE
+#define M1200X900_R60_VSP       POSITIVE
 
 /* 1280x600@60 Sync Polarity (GTF Mode) */
 #define M1280x600_R60_HSP       NEGATIVE