Merge remote-tracking branch 'origin/master' into next

(Merge in order to get the PCIe mps/mrss code fixes)

150 files changed, 2063 insertions, 1382 deletions

diff --git a/drivers/acpi/acpica/acconfig.h b/drivers/acpi/acpica/acconfig.h
index bc533dde16c4..f895a244ca7e 100644
--- a/drivers/acpi/acpica/acconfig.h
+++ b/drivers/acpi/acpica/acconfig.h
@@ -121,7 +121,7 @@
 
 /* Maximum sleep allowed via Sleep() operator */
 
-#define ACPI_MAX_SLEEP                  20000   /* Two seconds */
+#define ACPI_MAX_SLEEP                  2000    /* Two seconds */
 
 /******************************************************************************
  *
diff --git a/drivers/acpi/apei/Kconfig b/drivers/acpi/apei/Kconfig
index c34aa51af4ee..e3f47872ec22 100644
--- a/drivers/acpi/apei/Kconfig
+++ b/drivers/acpi/apei/Kconfig
@@ -13,6 +13,7 @@ config ACPI_APEI_GHES
         bool "APEI Generic Hardware Error Source"
         depends on ACPI_APEI && X86
         select ACPI_HED
+        select IRQ_WORK
         select LLIST
         select GENERIC_ALLOCATOR
         help
diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c
index 8041248fce9b..61540360d5ce 100644
--- a/drivers/acpi/apei/apei-base.c
+++ b/drivers/acpi/apei/apei-base.c
@@ -618,7 +618,7 @@ int apei_osc_setup(void)
         };
 
         capbuf[OSC_QUERY_TYPE] = OSC_QUERY_ENABLE;
-        capbuf[OSC_SUPPORT_TYPE] = 0;
+        capbuf[OSC_SUPPORT_TYPE] = 1;
         capbuf[OSC_CONTROL_TYPE] = 0;
 
         if (ACPI_FAILURE(acpi_get_handle(NULL, "\\_SB", &handle))
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 0eef4da1ac61..20663f8dae45 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -168,13 +168,11 @@ struct regmap *regmap_init(struct device *dev,
         map->work_buf = kmalloc(map->format.buf_size, GFP_KERNEL);
         if (map->work_buf == NULL) {
                 ret = -ENOMEM;
-                goto err_bus;
+                goto err_map;
         }
 
         return map;
 
-err_bus:
-        module_put(map->bus->owner);
 err_map:
         kfree(map);
 err:
@@ -188,7 +186,6 @@ EXPORT_SYMBOL_GPL(regmap_init);
 void regmap_exit(struct regmap *map)
 {
         kfree(map->work_buf);
-        module_put(map->bus->owner);
         kfree(map);
 }
 EXPORT_SYMBOL_GPL(regmap_exit);
diff --git a/drivers/cpufreq/pcc-cpufreq.c b/drivers/cpufreq/pcc-cpufreq.c
index 7b0603eb0129..cdc02ac8f41a 100644
--- a/drivers/cpufreq/pcc-cpufreq.c
+++ b/drivers/cpufreq/pcc-cpufreq.c
@@ -261,6 +261,9 @@ static int pcc_get_offset(int cpu)
         pr = per_cpu(processors, cpu);
         pcc_cpu_data = per_cpu_ptr(pcc_cpu_info, cpu);
 
+        if (!pr)
+                return -ENODEV;
+
         status = acpi_evaluate_object(pr->handle, "PCCP", NULL, &buffer);
         if (ACPI_FAILURE(status))
                 return -ENODEV;
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index cd3a7c726bf8..467e4dcb20a0 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -174,8 +174,10 @@ struct d40_base;
  * @tasklet: Tasklet that gets scheduled from interrupt context to complete a
  * transfer and call client callback.
  * @client: Cliented owned descriptor list.
+ * @pending_queue: Submitted jobs, to be issued by issue_pending()
  * @active: Active descriptor.
  * @queue: Queued jobs.
+ * @prepare_queue: Prepared jobs.
  * @dma_cfg: The client configuration of this dma channel.
  * @configured: whether the dma_cfg configuration is valid
  * @base: Pointer to the device instance struct.
@@ -203,6 +205,7 @@ struct d40_chan {
         struct list_head                 pending_queue;
         struct list_head                 active;
         struct list_head                 queue;
+        struct list_head                 prepare_queue;
         struct stedma40_chan_cfg         dma_cfg;
         bool                             configured;
         struct d40_base                 *base;
@@ -477,7 +480,6 @@ static struct d40_desc *d40_desc_get(struct d40_chan *d40c)
 
                 list_for_each_entry_safe(d, _d, &d40c->client, node)
                         if (async_tx_test_ack(&d->txd)) {
-                                d40_pool_lli_free(d40c, d);
                                 d40_desc_remove(d);
                                 desc = d;
                                 memset(desc, 0, sizeof(*desc));
@@ -644,8 +646,11 @@ static struct d40_desc *d40_first_active_get(struct d40_chan *d40c)
         return d;
 }
 
+/* remove desc from current queue and add it to the pending_queue */
 static void d40_desc_queue(struct d40_chan *d40c, struct d40_desc *desc)
 {
+        d40_desc_remove(desc);
+        desc->is_in_client_list = false;
         list_add_tail(&desc->node, &d40c->pending_queue);
 }
 
@@ -803,6 +808,7 @@ done:
 static void d40_term_all(struct d40_chan *d40c)
 {
         struct d40_desc *d40d;
+        struct d40_desc *_d;
 
         /* Release active descriptors */
         while ((d40d = d40_first_active_get(d40c))) {
@@ -822,6 +828,21 @@ static void d40_term_all(struct d40_chan *d40c)
                 d40_desc_free(d40c, d40d);
         }
 
+        /* Release client owned descriptors */
+        if (!list_empty(&d40c->client))
+                list_for_each_entry_safe(d40d, _d, &d40c->client, node) {
+                        d40_desc_remove(d40d);
+                        d40_desc_free(d40c, d40d);
+                }
+
+        /* Release descriptors in prepare queue */
+        if (!list_empty(&d40c->prepare_queue))
+                list_for_each_entry_safe(d40d, _d,
+                                         &d40c->prepare_queue, node) {
+                        d40_desc_remove(d40d);
+                        d40_desc_free(d40c, d40d);
+                }
+
         d40c->pending_tx = 0;
         d40c->busy = false;
 }
@@ -1208,7 +1229,6 @@ static void dma_tasklet(unsigned long data)
 
         if (!d40d->cyclic) {
                 if (async_tx_test_ack(&d40d->txd)) {
-                        d40_pool_lli_free(d40c, d40d);
                         d40_desc_remove(d40d);
                         d40_desc_free(d40c, d40d);
                 } else {
@@ -1595,21 +1615,10 @@ static int d40_free_dma(struct d40_chan *d40c)
         u32 event;
         struct d40_phy_res *phy = d40c->phy_chan;
         bool is_src;
-        struct d40_desc *d;
-        struct d40_desc *_d;
-
 
         /* Terminate all queued and active transfers */
         d40_term_all(d40c);
 
-        /* Release client owned descriptors */
-        if (!list_empty(&d40c->client))
-                list_for_each_entry_safe(d, _d, &d40c->client, node) {
-                        d40_pool_lli_free(d40c, d);
-                        d40_desc_remove(d);
-                        d40_desc_free(d40c, d);
-                }
-
         if (phy == NULL) {
                 chan_err(d40c, "phy == null\n");
                 return -EINVAL;
@@ -1911,6 +1920,12 @@ d40_prep_sg(struct dma_chan *dchan, struct scatterlist *sg_src,
                 goto err;
         }
 
+        /*
+         * add descriptor to the prepare queue in order to be able
+         * to free them later in terminate_all
+         */
+        list_add_tail(&desc->node, &chan->prepare_queue);
+
         spin_unlock_irqrestore(&chan->lock, flags);
 
         return &desc->txd;
@@ -2400,6 +2415,7 @@ static void __init d40_chan_init(struct d40_base *base, struct dma_device *dma,
                 INIT_LIST_HEAD(&d40c->queue);
                 INIT_LIST_HEAD(&d40c->pending_queue);
                 INIT_LIST_HEAD(&d40c->client);
+                INIT_LIST_HEAD(&d40c->prepare_queue);
 
                 tasklet_init(&d40c->tasklet, dma_tasklet,
                              (unsigned long) d40c);
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 57cd3a406edf..fd7170a9ad2c 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -290,6 +290,9 @@ static const struct {
         {PCI_VENDOR_ID_NEC, PCI_ANY_ID, PCI_ANY_ID,
                 QUIRK_CYCLE_TIMER},
 
+        {PCI_VENDOR_ID_O2, PCI_ANY_ID, PCI_ANY_ID,
+                QUIRK_NO_MSI},
+
         {PCI_VENDOR_ID_RICOH, PCI_ANY_ID, PCI_ANY_ID,
                 QUIRK_CYCLE_TIMER},
 
diff --git a/drivers/gpio/gpio-generic.c b/drivers/gpio/gpio-generic.c
index 231714def4d2..4e24436b0f82 100644
--- a/drivers/gpio/gpio-generic.c
+++ b/drivers/gpio/gpio-generic.c
@@ -351,7 +351,7 @@ static int bgpio_setup_direction(struct bgpio_chip *bgc,
         return 0;
 }
 
-int __devexit bgpio_remove(struct bgpio_chip *bgc)
+int bgpio_remove(struct bgpio_chip *bgc)
 {
         int err = gpiochip_remove(&bgc->gc);
 
@@ -361,15 +361,10 @@ int __devexit bgpio_remove(struct bgpio_chip *bgc)
 }
 EXPORT_SYMBOL_GPL(bgpio_remove);
 
-int __devinit bgpio_init(struct bgpio_chip *bgc,
-                         struct device *dev,
-                         unsigned long sz,
-                         void __iomem *dat,
-                         void __iomem *set,
-                         void __iomem *clr,
-                         void __iomem *dirout,
-                         void __iomem *dirin,
-                         bool big_endian)
+int bgpio_init(struct bgpio_chip *bgc, struct device *dev,
+               unsigned long sz, void __iomem *dat, void __iomem *set,
+               void __iomem *clr, void __iomem *dirout, void __iomem *dirin,
+               bool big_endian)
 {
         int ret;
 
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 802b61ac3139..f7c6854eb4dd 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -256,7 +256,6 @@ int drm_fb_helper_panic(struct notifier_block *n, unsigned long ununsed,
 {
         printk(KERN_ERR "panic occurred, switching back to text console\n");
         return drm_fb_helper_force_kernel_mode();
-        return 0;
 }
 EXPORT_SYMBOL(drm_fb_helper_panic);
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c
index 8d02d875376d..c919cfc8f2fd 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fence.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fence.c
@@ -530,7 +530,8 @@ nouveau_fence_channel_init(struct nouveau_channel *chan)
                 nouveau_gpuobj_ref(NULL, &obj);
                 if (ret)
                         return ret;
-        } else {
+        } else
+        if (USE_SEMA(dev)) {
                 /* map fence bo into channel's vm */
                 ret = nouveau_bo_vma_add(dev_priv->fence.bo, chan->vm,
                                          &chan->fence.vma);
diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
index c444cadbf849..2706cb3d871a 100644
--- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c
+++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
@@ -37,8 +37,11 @@ nouveau_sgdma_populate(struct ttm_backend *be, unsigned long num_pages,
                 return -ENOMEM;
 
         nvbe->ttm_alloced = kmalloc(sizeof(bool) * num_pages, GFP_KERNEL);
-        if (!nvbe->ttm_alloced)
+        if (!nvbe->ttm_alloced) {
+                kfree(nvbe->pages);
+                nvbe->pages = NULL;
                 return -ENOMEM;
+        }
 
         nvbe->nr_pages = 0;
         while (num_pages--) {
@@ -126,7 +129,7 @@ nv04_sgdma_bind(struct ttm_backend *be, struct ttm_mem_reg *mem)
 
                 for (j = 0; j < PAGE_SIZE / NV_CTXDMA_PAGE_SIZE; j++, pte++) {
                         nv_wo32(gpuobj, (pte * 4) + 0, offset_l | 3);
-                        dma_offset += NV_CTXDMA_PAGE_SIZE;
+                        offset_l += NV_CTXDMA_PAGE_SIZE;
                 }
         }
 
diff --git a/drivers/gpu/drm/nouveau/nv04_crtc.c b/drivers/gpu/drm/nouveau/nv04_crtc.c
index 118261d4927a..5e45398a9e2d 100644
--- a/drivers/gpu/drm/nouveau/nv04_crtc.c
+++ b/drivers/gpu/drm/nouveau/nv04_crtc.c
@@ -781,11 +781,20 @@ nv04_crtc_do_mode_set_base(struct drm_crtc *crtc,
         struct drm_device *dev = crtc->dev;
         struct drm_nouveau_private *dev_priv = dev->dev_private;
         struct nv04_crtc_reg *regp = &dev_priv->mode_reg.crtc_reg[nv_crtc->index];
-        struct drm_framebuffer *drm_fb = nv_crtc->base.fb;
-        struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
+        struct drm_framebuffer *drm_fb;
+        struct nouveau_framebuffer *fb;
         int arb_burst, arb_lwm;
         int ret;
 
+        NV_DEBUG_KMS(dev, "index %d\n", nv_crtc->index);
+
+        /* no fb bound */
+        if (!atomic && !crtc->fb) {
+                NV_DEBUG_KMS(dev, "No FB bound\n");
+                return 0;
+        }
+
+
         /* If atomic, we want to switch to the fb we were passed, so
          * now we update pointers to do that.  (We don't pin; just
          * assume we're already pinned and update the base address.)
@@ -794,6 +803,8 @@ nv04_crtc_do_mode_set_base(struct drm_crtc *crtc,
                 drm_fb = passed_fb;
                 fb = nouveau_framebuffer(passed_fb);
         } else {
+                drm_fb = crtc->fb;
+                fb = nouveau_framebuffer(crtc->fb);
                 /* If not atomic, we can go ahead and pin, and unpin the
                  * old fb we were passed.
                  */
diff --git a/drivers/gpu/drm/nouveau/nv50_crtc.c b/drivers/gpu/drm/nouveau/nv50_crtc.c
index 46ad59ea2185..5d989073ba6e 100644
--- a/drivers/gpu/drm/nouveau/nv50_crtc.c
+++ b/drivers/gpu/drm/nouveau/nv50_crtc.c
@@ -519,12 +519,18 @@ nv50_crtc_do_mode_set_base(struct drm_crtc *crtc,
         struct drm_device *dev = nv_crtc->base.dev;
         struct drm_nouveau_private *dev_priv = dev->dev_private;
         struct nouveau_channel *evo = nv50_display(dev)->master;
-        struct drm_framebuffer *drm_fb = nv_crtc->base.fb;
-        struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
+        struct drm_framebuffer *drm_fb;
+        struct nouveau_framebuffer *fb;
         int ret;
 
         NV_DEBUG_KMS(dev, "index %d\n", nv_crtc->index);
 
+        /* no fb bound */
+        if (!atomic && !crtc->fb) {
+                NV_DEBUG_KMS(dev, "No FB bound\n");
+                return 0;
+        }
+
         /* If atomic, we want to switch to the fb we were passed, so
          * now we update pointers to do that.  (We don't pin; just
          * assume we're already pinned and update the base address.)
@@ -533,6 +539,8 @@ nv50_crtc_do_mode_set_base(struct drm_crtc *crtc,
                 drm_fb = passed_fb;
                 fb = nouveau_framebuffer(passed_fb);
         } else {
+                drm_fb = crtc->fb;
+                fb = nouveau_framebuffer(crtc->fb);
                 /* If not atomic, we can go ahead and pin, and unpin the
                  * old fb we were passed.
                  */
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index d8d71a399f52..e8a746712b5b 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -41,6 +41,31 @@ static void evergreen_gpu_init(struct radeon_device *rdev);
 void evergreen_fini(struct radeon_device *rdev);
 static void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
 
+void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev)
+{
+        u16 ctl, v;
+        int cap, err;
+
+        cap = pci_pcie_cap(rdev->pdev);
+        if (!cap)
+                return;
+
+        err = pci_read_config_word(rdev->pdev, cap + PCI_EXP_DEVCTL, &ctl);
+        if (err)
+                return;
+
+        v = (ctl & PCI_EXP_DEVCTL_READRQ) >> 12;
+
+        /* if bios or OS sets MAX_READ_REQUEST_SIZE to an invalid value, fix it
+         * to avoid hangs or perfomance issues
+         */
+        if ((v == 0) || (v == 6) || (v == 7)) {
+                ctl &= ~PCI_EXP_DEVCTL_READRQ;
+                ctl |= (2 << 12);
+                pci_write_config_word(rdev->pdev, cap + PCI_EXP_DEVCTL, ctl);
+        }
+}
+
 void evergreen_pre_page_flip(struct radeon_device *rdev, int crtc)
 {
         /* enable the pflip int */
@@ -1379,7 +1404,8 @@ int evergreen_cp_resume(struct radeon_device *rdev)
         /* Initialize the ring buffer's read and write pointers */
         WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
         WREG32(CP_RB_RPTR_WR, 0);
-        WREG32(CP_RB_WPTR, 0);
+        rdev->cp.wptr = 0;
+        WREG32(CP_RB_WPTR, rdev->cp.wptr);
 
         /* set the wb address wether it's enabled or not */
         WREG32(CP_RB_RPTR_ADDR,
@@ -1401,7 +1427,6 @@ int evergreen_cp_resume(struct radeon_device *rdev)
         WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
 
         rdev->cp.rptr = RREG32(CP_RB_RPTR);
-        rdev->cp.wptr = RREG32(CP_RB_WPTR);
 
         evergreen_cp_start(rdev);
         rdev->cp.ready = true;
@@ -1863,6 +1888,8 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
 
         WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
 
+        evergreen_fix_pci_max_read_req_size(rdev);
+
         cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & ~2;
 
         cc_gc_shader_pipe_config |=
@@ -3144,21 +3171,23 @@ int evergreen_suspend(struct radeon_device *rdev)
 }
 
 int evergreen_copy_blit(struct radeon_device *rdev,
-                        uint64_t src_offset, uint64_t dst_offset,
-                        unsigned num_pages, struct radeon_fence *fence)
+                        uint64_t src_offset,
+                        uint64_t dst_offset,
+                        unsigned num_gpu_pages,
+                        struct radeon_fence *fence)
 {
         int r;
 
         mutex_lock(&rdev->r600_blit.mutex);
         rdev->r600_blit.vb_ib = NULL;
-        r = evergreen_blit_prepare_copy(rdev, num_pages * RADEON_GPU_PAGE_SIZE);
+        r = evergreen_blit_prepare_copy(rdev, num_gpu_pages * RADEON_GPU_PAGE_SIZE);
         if (r) {
                 if (rdev->r600_blit.vb_ib)
                         radeon_ib_free(rdev, &rdev->r600_blit.vb_ib);
                 mutex_unlock(&rdev->r600_blit.mutex);
                 return r;
         }
-        evergreen_kms_blit_copy(rdev, src_offset, dst_offset, num_pages * RADEON_GPU_PAGE_SIZE);
+        evergreen_kms_blit_copy(rdev, src_offset, dst_offset, num_gpu_pages * RADEON_GPU_PAGE_SIZE);
         evergreen_blit_done_copy(rdev, fence);
         mutex_unlock(&rdev->r600_blit.mutex);
         return 0;
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index a2e00fa9c618..99fbd793c08c 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -39,6 +39,7 @@ extern int evergreen_mc_wait_for_idle(struct radeon_device *rdev);
 extern void evergreen_mc_program(struct radeon_device *rdev);
 extern void evergreen_irq_suspend(struct radeon_device *rdev);
 extern int evergreen_mc_init(struct radeon_device *rdev);
+extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev);
 
 #define EVERGREEN_PFP_UCODE_SIZE 1120
 #define EVERGREEN_PM4_UCODE_SIZE 1376
@@ -669,6 +670,8 @@ static void cayman_gpu_init(struct radeon_device *rdev)
 
         WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
 
+        evergreen_fix_pci_max_read_req_size(rdev);
+
         mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
         mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
 
@@ -1184,7 +1187,8 @@ int cayman_cp_resume(struct radeon_device *rdev)
 
         /* Initialize the ring buffer's read and write pointers */
         WREG32(CP_RB0_CNTL, tmp | RB_RPTR_WR_ENA);
-        WREG32(CP_RB0_WPTR, 0);
+        rdev->cp.wptr = 0;
+        WREG32(CP_RB0_WPTR, rdev->cp.wptr);
 
         /* set the wb address wether it's enabled or not */
         WREG32(CP_RB0_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC);
@@ -1204,7 +1208,6 @@ int cayman_cp_resume(struct radeon_device *rdev)
         WREG32(CP_RB0_BASE, rdev->cp.gpu_addr >> 8);
 
         rdev->cp.rptr = RREG32(CP_RB0_RPTR);
-        rdev->cp.wptr = RREG32(CP_RB0_WPTR);
 
         /* ring1  - compute only */
         /* Set ring buffer size */
@@ -1217,7 +1220,8 @@ int cayman_cp_resume(struct radeon_device *rdev)
 
         /* Initialize the ring buffer's read and write pointers */
         WREG32(CP_RB1_CNTL, tmp | RB_RPTR_WR_ENA);
-        WREG32(CP_RB1_WPTR, 0);
+        rdev->cp1.wptr = 0;
+        WREG32(CP_RB1_WPTR, rdev->cp1.wptr);
 
         /* set the wb address wether it's enabled or not */
         WREG32(CP_RB1_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFFFFFFFC);
@@ -1229,7 +1233,6 @@ int cayman_cp_resume(struct radeon_device *rdev)
         WREG32(CP_RB1_BASE, rdev->cp1.gpu_addr >> 8);
 
         rdev->cp1.rptr = RREG32(CP_RB1_RPTR);
-        rdev->cp1.wptr = RREG32(CP_RB1_WPTR);
 
         /* ring2 - compute only */
         /* Set ring buffer size */
@@ -1242,7 +1245,8 @@ int cayman_cp_resume(struct radeon_device *rdev)
 
         /* Initialize the ring buffer's read and write pointers */
         WREG32(CP_RB2_CNTL, tmp | RB_RPTR_WR_ENA);
-        WREG32(CP_RB2_WPTR, 0);
+        rdev->cp2.wptr = 0;
+        WREG32(CP_RB2_WPTR, rdev->cp2.wptr);
 
         /* set the wb address wether it's enabled or not */
         WREG32(CP_RB2_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFFFFFFFC);
@@ -1254,7 +1258,6 @@ int cayman_cp_resume(struct radeon_device *rdev)
         WREG32(CP_RB2_BASE, rdev->cp2.gpu_addr >> 8);
 
         rdev->cp2.rptr = RREG32(CP_RB2_RPTR);
-        rdev->cp2.wptr = RREG32(CP_RB2_WPTR);
 
         /* start the rings */
         cayman_cp_start(rdev);
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index f2204cb1ccdf..5b1837b4aacf 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -721,11 +721,11 @@ void r100_fence_ring_emit(struct radeon_device *rdev,
 int r100_copy_blit(struct radeon_device *rdev,
                    uint64_t src_offset,
                    uint64_t dst_offset,
-                   unsigned num_pages,
+                   unsigned num_gpu_pages,
                    struct radeon_fence *fence)
 {
         uint32_t cur_pages;
-        uint32_t stride_bytes = PAGE_SIZE;
+        uint32_t stride_bytes = RADEON_GPU_PAGE_SIZE;
         uint32_t pitch;
         uint32_t stride_pixels;
         unsigned ndw;
@@ -737,7 +737,7 @@ int r100_copy_blit(struct radeon_device *rdev,
         /* radeon pitch is /64 */
         pitch = stride_bytes / 64;
         stride_pixels = stride_bytes / 4;
-        num_loops = DIV_ROUND_UP(num_pages, 8191);
+        num_loops = DIV_ROUND_UP(num_gpu_pages, 8191);
 
         /* Ask for enough room for blit + flush + fence */
         ndw = 64 + (10 * num_loops);
@@ -746,12 +746,12 @@ int r100_copy_blit(struct radeon_device *rdev,
                 DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw);
                 return -EINVAL;
         }
-        while (num_pages > 0) {
-                cur_pages = num_pages;
+        while (num_gpu_pages > 0) {
+                cur_pages = num_gpu_pages;
                 if (cur_pages > 8191) {
                         cur_pages = 8191;
                 }
-                num_pages -= cur_pages;
+                num_gpu_pages -= cur_pages;
 
                 /* pages are in Y direction - height
                    page width in X direction - width */
@@ -773,8 +773,8 @@ int r100_copy_blit(struct radeon_device *rdev,
                 radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16));
                 radeon_ring_write(rdev, 0);
                 radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16));
-                radeon_ring_write(rdev, num_pages);
-                radeon_ring_write(rdev, num_pages);
+                radeon_ring_write(rdev, cur_pages);
+                radeon_ring_write(rdev, cur_pages);
                 radeon_ring_write(rdev, cur_pages | (stride_pixels << 16));
         }
         radeon_ring_write(rdev, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0));
@@ -990,7 +990,8 @@ int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
         /* Force read & write ptr to 0 */
         WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA | RADEON_RB_NO_UPDATE);
         WREG32(RADEON_CP_RB_RPTR_WR, 0);
-        WREG32(RADEON_CP_RB_WPTR, 0);
+        rdev->cp.wptr = 0;
+        WREG32(RADEON_CP_RB_WPTR, rdev->cp.wptr);
 
         /* set the wb address whether it's enabled or not */
         WREG32(R_00070C_CP_RB_RPTR_ADDR,
@@ -1007,9 +1008,6 @@ int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
         WREG32(RADEON_CP_RB_CNTL, tmp);
         udelay(10);
         rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR);
-        rdev->cp.wptr = RREG32(RADEON_CP_RB_WPTR);
-        /* protect against crazy HW on resume */
-        rdev->cp.wptr &= rdev->cp.ptr_mask;
         /* Set cp mode to bus mastering & enable cp*/
         WREG32(RADEON_CP_CSQ_MODE,
                REG_SET(RADEON_INDIRECT2_START, indirect2_start) |
diff --git a/drivers/gpu/drm/radeon/r200.c b/drivers/gpu/drm/radeon/r200.c
index f24058300413..a1f3ba063c2d 100644
--- a/drivers/gpu/drm/radeon/r200.c
+++ b/drivers/gpu/drm/radeon/r200.c
@@ -84,7 +84,7 @@ static int r200_get_vtx_size_0(uint32_t vtx_fmt_0)
 int r200_copy_dma(struct radeon_device *rdev,
                   uint64_t src_offset,
                   uint64_t dst_offset,
-                  unsigned num_pages,
+                  unsigned num_gpu_pages,
                   struct radeon_fence *fence)
 {
         uint32_t size;
@@ -93,7 +93,7 @@ int r200_copy_dma(struct radeon_device *rdev,
         int r = 0;
 
         /* radeon pitch is /64 */
-        size = num_pages << PAGE_SHIFT;
+        size = num_gpu_pages << RADEON_GPU_PAGE_SHIFT;
         num_loops = DIV_ROUND_UP(size, 0x1FFFFF);
         r = radeon_ring_lock(rdev, num_loops * 4 + 64);
         if (r) {
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index aa5571b73aa0..720dd99163f8 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2209,7 +2209,8 @@ int r600_cp_resume(struct radeon_device *rdev)
         /* Initialize the ring buffer's read and write pointers */
         WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
         WREG32(CP_RB_RPTR_WR, 0);
-        WREG32(CP_RB_WPTR, 0);
+        rdev->cp.wptr = 0;
+        WREG32(CP_RB_WPTR, rdev->cp.wptr);
 
         /* set the wb address whether it's enabled or not */
         WREG32(CP_RB_RPTR_ADDR,
@@ -2231,7 +2232,6 @@ int r600_cp_resume(struct radeon_device *rdev)
         WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
 
         rdev->cp.rptr = RREG32(CP_RB_RPTR);
-        rdev->cp.wptr = RREG32(CP_RB_WPTR);
 
         r600_cp_start(rdev);
         rdev->cp.ready = true;
@@ -2353,21 +2353,23 @@ void r600_fence_ring_emit(struct radeon_device *rdev,
 }
 
 int r600_copy_blit(struct radeon_device *rdev,
-                   uint64_t src_offset, uint64_t dst_offset,
-                   unsigned num_pages, struct radeon_fence *fence)
+                   uint64_t src_offset,
+                   uint64_t dst_offset,
+                   unsigned num_gpu_pages,
+                   struct radeon_fence *fence)
 {
         int r;
 
         mutex_lock(&rdev->r600_blit.mutex);
         rdev->r600_blit.vb_ib = NULL;
-        r = r600_blit_prepare_copy(rdev, num_pages * RADEON_GPU_PAGE_SIZE);
+        r = r600_blit_prepare_copy(rdev, num_gpu_pages * RADEON_GPU_PAGE_SIZE);
         if (r) {
                 if (rdev->r600_blit.vb_ib)
                         radeon_ib_free(rdev, &rdev->r600_blit.vb_ib);
                 mutex_unlock(&rdev->r600_blit.mutex);
                 return r;
         }
-        r600_kms_blit_copy(rdev, src_offset, dst_offset, num_pages * RADEON_GPU_PAGE_SIZE);
+        r600_kms_blit_copy(rdev, src_offset, dst_offset, num_gpu_pages * RADEON_GPU_PAGE_SIZE);
         r600_blit_done_copy(rdev, fence);
         mutex_unlock(&rdev->r600_blit.mutex);
         return 0;
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 32807baf55e2..c1e056b35b29 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -322,6 +322,7 @@ union radeon_gart_table {
 
 #define RADEON_GPU_PAGE_SIZE 4096
 #define RADEON_GPU_PAGE_MASK (RADEON_GPU_PAGE_SIZE - 1)
+#define RADEON_GPU_PAGE_SHIFT 12
 
 struct radeon_gart {
         dma_addr_t                      table_addr;
@@ -914,17 +915,17 @@ struct radeon_asic {
         int (*copy_blit)(struct radeon_device *rdev,
                          uint64_t src_offset,
                          uint64_t dst_offset,
-                         unsigned num_pages,
+                         unsigned num_gpu_pages,
                          struct radeon_fence *fence);
         int (*copy_dma)(struct radeon_device *rdev,
                         uint64_t src_offset,
                         uint64_t dst_offset,
-                        unsigned num_pages,
+                        unsigned num_gpu_pages,
                         struct radeon_fence *fence);
         int (*copy)(struct radeon_device *rdev,
                     uint64_t src_offset,
                     uint64_t dst_offset,
-                    unsigned num_pages,
+                    unsigned num_gpu_pages,
                     struct radeon_fence *fence);
         uint32_t (*get_engine_clock)(struct radeon_device *rdev);
         void (*set_engine_clock)(struct radeon_device *rdev, uint32_t eng_clock);
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 3d7a0d7c6a9a..3dedaa07aac1 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -75,7 +75,7 @@ uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg);
 int r100_copy_blit(struct radeon_device *rdev,
                    uint64_t src_offset,
                    uint64_t dst_offset,
-                   unsigned num_pages,
+                   unsigned num_gpu_pages,
                    struct radeon_fence *fence);
 int r100_set_surface_reg(struct radeon_device *rdev, int reg,
                          uint32_t tiling_flags, uint32_t pitch,
@@ -143,7 +143,7 @@ extern void r100_post_page_flip(struct radeon_device *rdev, int crtc);
 extern int r200_copy_dma(struct radeon_device *rdev,
                          uint64_t src_offset,
                          uint64_t dst_offset,
-                         unsigned num_pages,
+                         unsigned num_gpu_pages,
                          struct radeon_fence *fence);
 void r200_set_safe_registers(struct radeon_device *rdev);
 
@@ -311,7 +311,7 @@ void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib);
 int r600_ring_test(struct radeon_device *rdev);
 int r600_copy_blit(struct radeon_device *rdev,
                    uint64_t src_offset, uint64_t dst_offset,
-                   unsigned num_pages, struct radeon_fence *fence);
+                   unsigned num_gpu_pages, struct radeon_fence *fence);
 void r600_hpd_init(struct radeon_device *rdev);
 void r600_hpd_fini(struct radeon_device *rdev);
 bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd);
@@ -403,7 +403,7 @@ void evergreen_bandwidth_update(struct radeon_device *rdev);
 void evergreen_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib);
 int evergreen_copy_blit(struct radeon_device *rdev,
                         uint64_t src_offset, uint64_t dst_offset,
-                        unsigned num_pages, struct radeon_fence *fence);
+                        unsigned num_gpu_pages, struct radeon_fence *fence);
 void evergreen_hpd_init(struct radeon_device *rdev);
 void evergreen_hpd_fini(struct radeon_device *rdev);
 bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd);
diff --git a/drivers/gpu/drm/radeon/radeon_clocks.c b/drivers/gpu/drm/radeon/radeon_clocks.c
index dcd0863e31ae..b6e18c8db9f5 100644
--- a/drivers/gpu/drm/radeon/radeon_clocks.c
+++ b/drivers/gpu/drm/radeon/radeon_clocks.c
@@ -219,6 +219,9 @@ void radeon_get_clock_info(struct drm_device *dev)
                 } else {
                         DRM_INFO("Using generic clock info\n");
 
+                        /* may need to be per card */
+                        rdev->clock.max_pixel_clock = 35000;
+
                         if (rdev->flags & RADEON_IS_IGP) {
                                 p1pll->reference_freq = 1432;
                                 p2pll->reference_freq = 1432;
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index 4f0c1ecac72e..c4b8741dbf58 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -1297,12 +1297,33 @@ radeon_dp_detect(struct drm_connector *connector, bool force)
                 if (!radeon_dig_connector->edp_on)
                         atombios_set_edp_panel_power(connector,
                                                      ATOM_TRANSMITTER_ACTION_POWER_OFF);
-        } else {
-                /* need to setup ddc on the bridge */
-                if (radeon_connector_encoder_is_dp_bridge(connector)) {
+        } else if (radeon_connector_encoder_is_dp_bridge(connector)) {
+                /* DP bridges are always DP */
+                radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
+                /* get the DPCD from the bridge */
+                radeon_dp_getdpcd(radeon_connector);
+
+                if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
+                        ret = connector_status_connected;
+                else {
+                        /* need to setup ddc on the bridge */
                         if (encoder)
                                 radeon_atom_ext_encoder_setup_ddc(encoder);
+                        if (radeon_ddc_probe(radeon_connector,
+                                             radeon_connector->requires_extended_probe))
+                                ret = connector_status_connected;
+                }
+
+                if ((ret == connector_status_disconnected) &&
+                    radeon_connector->dac_load_detect) {
+                        struct drm_encoder *encoder = radeon_best_single_encoder(connector);
+                        struct drm_encoder_helper_funcs *encoder_funcs;
+                        if (encoder) {
+                                encoder_funcs = encoder->helper_private;
+                                ret = encoder_funcs->detect(encoder, connector);
+                        }
                 }
+        } else {
                 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
                 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
                         ret = connector_status_connected;
@@ -1318,16 +1339,6 @@ radeon_dp_detect(struct drm_connector *connector, bool force)
                                         ret = connector_status_connected;
                         }
                 }
-
-                if ((ret == connector_status_disconnected) &&
-                    radeon_connector->dac_load_detect) {
-                        struct drm_encoder *encoder = radeon_best_single_encoder(connector);
-                        struct drm_encoder_helper_funcs *encoder_funcs;
-                        if (encoder) {
-                                encoder_funcs = encoder->helper_private;
-                                ret = encoder_funcs->detect(encoder, connector);
-                        }
-                }
         }
 
         radeon_connector_update_scratch_regs(connector, ret);
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 1a858944e4f3..6adb3e58affd 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -473,8 +473,8 @@ pflip_cleanup:
         spin_lock_irqsave(&dev->event_lock, flags);
         radeon_crtc->unpin_work = NULL;
 unlock_free:
-        drm_gem_object_unreference_unlocked(old_radeon_fb->obj);
         spin_unlock_irqrestore(&dev->event_lock, flags);
+        drm_gem_object_unreference_unlocked(old_radeon_fb->obj);
         radeon_fence_unref(&work->fence);
         kfree(work);
 
@@ -707,16 +707,21 @@ int radeon_ddc_get_modes(struct radeon_connector *radeon_connector)
                 radeon_router_select_ddc_port(radeon_connector);
 
         if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
-            (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)) {
+            (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP) ||
+            radeon_connector_encoder_is_dp_bridge(&radeon_connector->base)) {
                 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
+
                 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
                      dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) && dig->dp_i2c_bus)
-                        radeon_connector->edid = drm_get_edid(&radeon_connector->base, &dig->dp_i2c_bus->adapter);
-        }
-        if (!radeon_connector->ddc_bus)
-                return -1;
-        if (!radeon_connector->edid) {
-                radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
+                        radeon_connector->edid = drm_get_edid(&radeon_connector->base,
+                                                              &dig->dp_i2c_bus->adapter);
+                else if (radeon_connector->ddc_bus && !radeon_connector->edid)
+                        radeon_connector->edid = drm_get_edid(&radeon_connector->base,
+                                                              &radeon_connector->ddc_bus->adapter);
+        } else {
+                if (radeon_connector->ddc_bus && !radeon_connector->edid)
+                        radeon_connector->edid = drm_get_edid(&radeon_connector->base,
+                                                              &radeon_connector->ddc_bus->adapter);
         }
 
         if (!radeon_connector->edid) {
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 9b86fb0e4122..0b5468bfaf54 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -277,7 +277,12 @@ static int radeon_move_blit(struct ttm_buffer_object *bo,
                 DRM_ERROR("Trying to move memory with CP turned off.\n");
                 return -EINVAL;
         }
-        r = radeon_copy(rdev, old_start, new_start, new_mem->num_pages, fence);
+
+        BUILD_BUG_ON((PAGE_SIZE % RADEON_GPU_PAGE_SIZE) != 0);
+
+        r = radeon_copy(rdev, old_start, new_start,
+                        new_mem->num_pages * (PAGE_SIZE / RADEON_GPU_PAGE_SIZE), /* GPU pages */
+                        fence);
         /* FIXME: handle copy error */
         r = ttm_bo_move_accel_cleanup(bo, (void *)fence, NULL,
                                       evict, no_wait_reserve, no_wait_gpu, new_mem);
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index a4d38d85909a..ef06194c5aa6 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -394,7 +394,8 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo,
 
         if (!(new_man->flags & TTM_MEMTYPE_FLAG_FIXED)) {
                 if (bo->ttm == NULL) {
-                        ret = ttm_bo_add_ttm(bo, false);
+                        bool zero = !(old_man->flags & TTM_MEMTYPE_FLAG_FIXED);
+                        ret = ttm_bo_add_ttm(bo, zero);
                         if (ret)
                                 goto out_err;
                 }
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 7d27d2b0445a..7484e1b67249 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -277,6 +277,7 @@
 #define USB_DEVICE_ID_PENPOWER          0x00f4
 
 #define USB_VENDOR_ID_GREENASIA         0x0e8f
+#define USB_DEVICE_ID_GREENASIA_DUAL_USB_JOYPAD 0x3013
 
 #define USB_VENDOR_ID_GRETAGMACBETH     0x0971
 #define USB_DEVICE_ID_GRETAGMACBETH_HUEY        0x2005
diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
index 0ec91c18a421..f0fbd7bd239e 100644
--- a/drivers/hid/hid-magicmouse.c
+++ b/drivers/hid/hid-magicmouse.c
@@ -81,6 +81,28 @@ MODULE_PARM_DESC(report_undeciphered, "Report undeciphered multi-touch state fie
 #define NO_TOUCHES -1
 #define SINGLE_TOUCH_UP -2
 
+/* Touch surface information. Dimension is in hundredths of a mm, min and max
+ * are in units. */
+#define MOUSE_DIMENSION_X (float)9056
+#define MOUSE_MIN_X -1100
+#define MOUSE_MAX_X 1258
+#define MOUSE_RES_X ((MOUSE_MAX_X - MOUSE_MIN_X) / (MOUSE_DIMENSION_X / 100))
+#define MOUSE_DIMENSION_Y (float)5152
+#define MOUSE_MIN_Y -1589
+#define MOUSE_MAX_Y 2047
+#define MOUSE_RES_Y ((MOUSE_MAX_Y - MOUSE_MIN_Y) / (MOUSE_DIMENSION_Y / 100))
+
+#define TRACKPAD_DIMENSION_X (float)13000
+#define TRACKPAD_MIN_X -2909
+#define TRACKPAD_MAX_X 3167
+#define TRACKPAD_RES_X \
+        ((TRACKPAD_MAX_X - TRACKPAD_MIN_X) / (TRACKPAD_DIMENSION_X / 100))
+#define TRACKPAD_DIMENSION_Y (float)11000
+#define TRACKPAD_MIN_Y -2456
+#define TRACKPAD_MAX_Y 2565
+#define TRACKPAD_RES_Y \
+        ((TRACKPAD_MAX_Y - TRACKPAD_MIN_Y) / (TRACKPAD_DIMENSION_Y / 100))
+
 /**
  * struct magicmouse_sc - Tracks Magic Mouse-specific data.
  * @input: Input device through which we report events.
@@ -406,17 +428,31 @@ static void magicmouse_setup_input(struct input_dev *input, struct hid_device *h
                  * inverse of the reported Y.
                  */
                 if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) {
-                        input_set_abs_params(input, ABS_MT_POSITION_X, -1100,
-                                1358, 4, 0);
-                        input_set_abs_params(input, ABS_MT_POSITION_Y, -1589,
-                                2047, 4, 0);
+                        input_set_abs_params(input, ABS_MT_POSITION_X,
+                                MOUSE_MIN_X, MOUSE_MAX_X, 4, 0);
+                        input_set_abs_params(input, ABS_MT_POSITION_Y,
+                                MOUSE_MIN_Y, MOUSE_MAX_Y, 4, 0);
+
+                        input_abs_set_res(input, ABS_MT_POSITION_X,
+                                MOUSE_RES_X);
+                        input_abs_set_res(input, ABS_MT_POSITION_Y,
+                                MOUSE_RES_Y);
                 } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */
-                        input_set_abs_params(input, ABS_X, -2909, 3167, 4, 0);
-                        input_set_abs_params(input, ABS_Y, -2456, 2565, 4, 0);
-                        input_set_abs_params(input, ABS_MT_POSITION_X, -2909,
-                                3167, 4, 0);
-                        input_set_abs_params(input, ABS_MT_POSITION_Y, -2456,
-                                2565, 4, 0);
+                        input_set_abs_params(input, ABS_X, TRACKPAD_MIN_X,
+                                TRACKPAD_MAX_X, 4, 0);
+                        input_set_abs_params(input, ABS_Y, TRACKPAD_MIN_Y,
+                                TRACKPAD_MAX_Y, 4, 0);
+                        input_set_abs_params(input, ABS_MT_POSITION_X,
+                                TRACKPAD_MIN_X, TRACKPAD_MAX_X, 4, 0);
+                        input_set_abs_params(input, ABS_MT_POSITION_Y,
+                                TRACKPAD_MIN_Y, TRACKPAD_MAX_Y, 4, 0);
+
+                        input_abs_set_res(input, ABS_X, TRACKPAD_RES_X);
+                        input_abs_set_res(input, ABS_Y, TRACKPAD_RES_Y);
+                        input_abs_set_res(input, ABS_MT_POSITION_X,
+                                TRACKPAD_RES_X);
+                        input_abs_set_res(input, ABS_MT_POSITION_Y,
+                                TRACKPAD_RES_Y);
                 }
 
                 input_set_events_per_packet(input, 60);
@@ -501,9 +537,17 @@ static int magicmouse_probe(struct hid_device *hdev,
         }
         report->size = 6;
 
+        /*
+         * Some devices repond with 'invalid report id' when feature
+         * report switching it into multitouch mode is sent to it.
+         *
+         * This results in -EIO from the _raw low-level transport callback,
+         * but there seems to be no other way of switching the mode.
+         * Thus the super-ugly hacky success check below.
+         */
         ret = hdev->hid_output_raw_report(hdev, feature, sizeof(feature),
                         HID_FEATURE_REPORT);
-        if (ret != sizeof(feature)) {
+        if (ret != -EIO && ret != sizeof(feature)) {
                 hid_err(hdev, "unable to request touch data (%d)\n", ret);
                 goto err_stop_hw;
         }
diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c
index 06888323828c..72ca689b6474 100644
--- a/drivers/hid/hid-wacom.c
+++ b/drivers/hid/hid-wacom.c
@@ -353,11 +353,7 @@ static int wacom_probe(struct hid_device *hdev,
         if (ret) {
                 hid_warn(hdev, "can't create sysfs battery attribute, err: %d\n",
                          ret);
-                /*
-                 * battery attribute is not critical for the tablet, but if it
-                 * failed then there is no need to create ac attribute
-                 */
-                goto move_on;
+                goto err_battery;
         }
 
         wdata->ac.properties = wacom_ac_props;
@@ -371,18 +367,14 @@ static int wacom_probe(struct hid_device *hdev,
         if (ret) {
                 hid_warn(hdev,
                          "can't create ac battery attribute, err: %d\n", ret);
-                /*
-                 * ac attribute is not critical for the tablet, but if it
-                 * failed then we don't want to battery attribute to exist
-                 */
-                power_supply_unregister(&wdata->battery);
+                goto err_ac;
         }
-
-move_on:
 #endif
         hidinput = list_entry(hdev->inputs.next, struct hid_input, list);
         input = hidinput->input;
 
+        __set_bit(INPUT_PROP_POINTER, input->propbit);
+
         /* Basics */
         input->evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_REL);
 
@@ -416,6 +408,13 @@ move_on:
 
         return 0;
 
+#ifdef CONFIG_HID_WACOM_POWER_SUPPLY
+err_ac:
+        power_supply_unregister(&wdata->battery);
+err_battery:
+        device_remove_file(&hdev->dev, &dev_attr_speed);
+        hid_hw_stop(hdev);
+#endif
 err_free:
         kfree(wdata);
         return ret;
@@ -426,6 +425,7 @@ static void wacom_remove(struct hid_device *hdev)
 #ifdef CONFIG_HID_WACOM_POWER_SUPPLY
         struct wacom_data *wdata = hid_get_drvdata(hdev);
 #endif
+        device_remove_file(&hdev->dev, &dev_attr_speed);
         hid_hw_stop(hdev);
 
 #ifdef CONFIG_HID_WACOM_POWER_SUPPLY
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index 4bdb5d46c52c..3146fdcda272 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -47,6 +47,7 @@ static const struct hid_blacklist {
         { USB_VENDOR_ID_AFATECH, USB_DEVICE_ID_AFATECH_AF9016, HID_QUIRK_FULLSPEED_INTERVAL },
 
         { USB_VENDOR_ID_ETURBOTOUCH, USB_DEVICE_ID_ETURBOTOUCH, HID_QUIRK_MULTI_INPUT },
+        { USB_VENDOR_ID_GREENASIA, USB_DEVICE_ID_GREENASIA_DUAL_USB_JOYPAD, HID_QUIRK_MULTI_INPUT },
         { USB_VENDOR_ID_PANTHERLORD, USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK, HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS },
         { USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII, HID_QUIRK_MULTI_INPUT },
         { USB_VENDOR_ID_TOUCHPACK, USB_DEVICE_ID_TOUCHPACK_RTS, HID_QUIRK_MULTI_INPUT },
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index 59d83e83da7f..411257676133 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -601,7 +601,12 @@ static int create_core_data(struct platform_data *pdata,
         err = rdmsr_safe_on_cpu(cpu, tdata->intrpt_reg, &eax, &edx);
         if (!err) {
                 tdata->attr_size += MAX_THRESH_ATTRS;
-                tdata->ttarget = tdata->tjmax - ((eax >> 16) & 0x7f) * 1000;
+                tdata->tmin = tdata->tjmax -
+                              ((eax & THERM_MASK_THRESHOLD0) >>
+                               THERM_SHIFT_THRESHOLD0) * 1000;
+                tdata->ttarget = tdata->tjmax -
+                                 ((eax & THERM_MASK_THRESHOLD1) >>
+                                  THERM_SHIFT_THRESHOLD1) * 1000;
         }
 
         pdata->core_data[attr_no] = tdata;
diff --git a/drivers/hwmon/max16065.c b/drivers/hwmon/max16065.c
index d94a24fdf4ba..dd2d7b9620c2 100644
--- a/drivers/hwmon/max16065.c
+++ b/drivers/hwmon/max16065.c
@@ -124,7 +124,7 @@ static inline int MV_TO_LIMIT(int mv, int range)
 
 static inline int ADC_TO_CURR(int adc, int gain)
 {
-        return adc * 1400000 / gain * 255;
+        return adc * 1400000 / (gain * 255);
 }
 
 /*
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index a561c3a0e916..397fc59b5682 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -978,6 +978,8 @@ static void pmbus_find_max_attr(struct i2c_client *client,
 struct pmbus_limit_attr {
         u16 reg;                /* Limit register */
         bool update;            /* True if register needs updates */
+        bool low;               /* True if low limit; for limits with compare
+                                   functions only */
         const char *attr;       /* Attribute name */
         const char *alarm;      /* Alarm attribute name */
         u32 sbit;               /* Alarm attribute status bit */
@@ -1029,7 +1031,8 @@ static bool pmbus_add_limit_attrs(struct i2c_client *client,
                                 if (attr->compare) {
                                         pmbus_add_boolean_cmp(data, name,
                                                 l->alarm, index,
-                                                cbase, cindex,
+                                                l->low ? cindex : cbase,
+                                                l->low ? cbase : cindex,
                                                 attr->sbase + page, l->sbit);
                                 } else {
                                         pmbus_add_boolean_reg(data, name,
@@ -1366,11 +1369,13 @@ static const struct pmbus_sensor_attr power_attributes[] = {
 static const struct pmbus_limit_attr temp_limit_attrs[] = {
         {
                 .reg = PMBUS_UT_WARN_LIMIT,
+                .low = true,
                 .attr = "min",
                 .alarm = "min_alarm",
                 .sbit = PB_TEMP_UT_WARNING,
         }, {
                 .reg = PMBUS_UT_FAULT_LIMIT,
+                .low = true,
                 .attr = "lcrit",
                 .alarm = "lcrit_alarm",
                 .sbit = PB_TEMP_UT_FAULT,
@@ -1399,11 +1404,13 @@ static const struct pmbus_limit_attr temp_limit_attrs[] = {
 static const struct pmbus_limit_attr temp_limit_attrs23[] = {
         {
                 .reg = PMBUS_UT_WARN_LIMIT,
+                .low = true,
                 .attr = "min",
                 .alarm = "min_alarm",
                 .sbit = PB_TEMP_UT_WARNING,
         }, {
                 .reg = PMBUS_UT_FAULT_LIMIT,
+                .low = true,
                 .attr = "lcrit",
                 .alarm = "lcrit_alarm",
                 .sbit = PB_TEMP_UT_FAULT,
diff --git a/drivers/hwmon/pmbus/ucd9000.c b/drivers/hwmon/pmbus/ucd9000.c
index ace1c7319734..d0ddb60155c9 100644
--- a/drivers/hwmon/pmbus/ucd9000.c
+++ b/drivers/hwmon/pmbus/ucd9000.c
@@ -141,13 +141,11 @@ static int ucd9000_probe(struct i2c_client *client,
         block_buffer[ret] = '\0';
         dev_info(&client->dev, "Device ID %s\n", block_buffer);
 
-        mid = NULL;
-        for (i = 0; i < ARRAY_SIZE(ucd9000_id); i++) {
-                mid = &ucd9000_id[i];
+        for (mid = ucd9000_id; mid->name[0]; mid++) {
                 if (!strncasecmp(mid->name, block_buffer, strlen(mid->name)))
                         break;
         }
-        if (!mid || !strlen(mid->name)) {
+        if (!mid->name[0]) {
                 dev_err(&client->dev, "Unsupported device\n");
                 return -ENODEV;
         }
diff --git a/drivers/hwmon/pmbus/ucd9200.c b/drivers/hwmon/pmbus/ucd9200.c
index ffcc1cf3609d..c65e9da707cc 100644
--- a/drivers/hwmon/pmbus/ucd9200.c
+++ b/drivers/hwmon/pmbus/ucd9200.c
@@ -68,13 +68,11 @@ static int ucd9200_probe(struct i2c_client *client,
         block_buffer[ret] = '\0';
         dev_info(&client->dev, "Device ID %s\n", block_buffer);
 
-        mid = NULL;
-        for (i = 0; i < ARRAY_SIZE(ucd9200_id); i++) {
-                mid = &ucd9200_id[i];
+        for (mid = ucd9200_id; mid->name[0]; mid++) {
                 if (!strncasecmp(mid->name, block_buffer, strlen(mid->name)))
                         break;
         }
-        if (!mid || !strlen(mid->name)) {
+        if (!mid->name[0]) {
                 dev_err(&client->dev, "Unsupported device\n");
                 return -ENODEV;
         }
diff --git a/drivers/i2c/busses/i2c-pxa-pci.c b/drivers/i2c/busses/i2c-pxa-pci.c
index 6659d269b841..b73da6cd6f91 100644
--- a/drivers/i2c/busses/i2c-pxa-pci.c
+++ b/drivers/i2c/busses/i2c-pxa-pci.c
@@ -109,12 +109,15 @@ static int __devinit ce4100_i2c_probe(struct pci_dev *dev,
                 return -EINVAL;
         }
         sds = kzalloc(sizeof(*sds), GFP_KERNEL);
-        if (!sds)
+        if (!sds) {
+                ret = -ENOMEM;
                 goto err_mem;
+        }
 
         for (i = 0; i < ARRAY_SIZE(sds->pdev); i++) {
                 sds->pdev[i] = add_i2c_device(dev, i);
                 if (IS_ERR(sds->pdev[i])) {
+                        ret = PTR_ERR(sds->pdev[i]);
                         while (--i >= 0)
                                 platform_device_unregister(sds->pdev[i]);
                         goto err_dev_add;
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index 2440b7411978..3c94c4a81a55 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -270,14 +270,30 @@ static int tegra_i2c_fill_tx_fifo(struct tegra_i2c_dev *i2c_dev)
 
         /* Rounds down to not include partial word at the end of buf */
         words_to_transfer = buf_remaining / BYTES_PER_FIFO_WORD;
-        if (words_to_transfer > tx_fifo_avail)
-                words_to_transfer = tx_fifo_avail;
 
-        i2c_writesl(i2c_dev, buf, I2C_TX_FIFO, words_to_transfer);
-
-        buf += words_to_transfer * BYTES_PER_FIFO_WORD;
-        buf_remaining -= words_to_transfer * BYTES_PER_FIFO_WORD;
-        tx_fifo_avail -= words_to_transfer;
+        /* It's very common to have < 4 bytes, so optimize that case. */
+        if (words_to_transfer) {
+                if (words_to_transfer > tx_fifo_avail)
+                        words_to_transfer = tx_fifo_avail;
+
+                /*
+                 * Update state before writing to FIFO.  If this casues us
+                 * to finish writing all bytes (AKA buf_remaining goes to 0) we
+                 * have a potential for an interrupt (PACKET_XFER_COMPLETE is
+                 * not maskable).  We need to make sure that the isr sees
+                 * buf_remaining as 0 and doesn't call us back re-entrantly.
+                 */
+                buf_remaining -= words_to_transfer * BYTES_PER_FIFO_WORD;
+                tx_fifo_avail -= words_to_transfer;
+                i2c_dev->msg_buf_remaining = buf_remaining;
+                i2c_dev->msg_buf = buf +
+                        words_to_transfer * BYTES_PER_FIFO_WORD;
+                barrier();
+
+                i2c_writesl(i2c_dev, buf, I2C_TX_FIFO, words_to_transfer);
+
+                buf += words_to_transfer * BYTES_PER_FIFO_WORD;
+        }
 
         /*
          * If there is a partial word at the end of buf, handle it manually to
@@ -287,14 +303,15 @@ static int tegra_i2c_fill_tx_fifo(struct tegra_i2c_dev *i2c_dev)
         if (tx_fifo_avail > 0 && buf_remaining > 0) {
                 BUG_ON(buf_remaining > 3);
                 memcpy(&val, buf, buf_remaining);
+
+                /* Again update before writing to FIFO to make sure isr sees. */
+                i2c_dev->msg_buf_remaining = 0;
+                i2c_dev->msg_buf = NULL;
+                barrier();
+
                 i2c_writel(i2c_dev, val, I2C_TX_FIFO);
-                buf_remaining = 0;
-                tx_fifo_avail--;
         }
 
-        BUG_ON(tx_fifo_avail > 0 && buf_remaining > 0);
-        i2c_dev->msg_buf_remaining = buf_remaining;
-        i2c_dev->msg_buf = buf;
         return 0;
 }
 
@@ -411,9 +428,10 @@ static irqreturn_t tegra_i2c_isr(int irq, void *dev_id)
                         tegra_i2c_mask_irq(i2c_dev, I2C_INT_TX_FIFO_DATA_REQ);
         }
 
-        if ((status & I2C_INT_PACKET_XFER_COMPLETE) &&
-                        !i2c_dev->msg_buf_remaining)
+        if (status & I2C_INT_PACKET_XFER_COMPLETE) {
+                BUG_ON(i2c_dev->msg_buf_remaining);
                 complete(&i2c_dev->msg_complete);
+        }
 
         i2c_writel(i2c_dev, status, I2C_INT_STATUS);
         if (i2c_dev->is_dvc)
@@ -531,7 +549,7 @@ static int tegra_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[],
 
 static u32 tegra_i2c_func(struct i2c_adapter *adap)
 {
-        return I2C_FUNC_I2C;
+        return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
 }
 
 static const struct i2c_algorithm tegra_i2c_algo = {
@@ -719,6 +737,17 @@ static int tegra_i2c_resume(struct platform_device *pdev)
 }
 #endif
 
+#if defined(CONFIG_OF)
+/* Match table for of_platform binding */
+static const struct of_device_id tegra_i2c_of_match[] __devinitconst = {
+        { .compatible = "nvidia,tegra20-i2c", },
+        {},
+};
+MODULE_DEVICE_TABLE(of, tegra_i2c_of_match);
+#else
+#define tegra_i2c_of_match NULL
+#endif
+
 static struct platform_driver tegra_i2c_driver = {
         .probe   = tegra_i2c_probe,
         .remove  = tegra_i2c_remove,
@@ -729,6 +758,7 @@ static struct platform_driver tegra_i2c_driver = {
         .driver  = {
                 .name  = "tegra-i2c",
                 .owner = THIS_MODULE,
+                .of_match_table = tegra_i2c_of_match,
         },
 };
 
diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c
index 7b404e5443ed..e34eeb8ae371 100644
--- a/drivers/input/keyboard/adp5588-keys.c
+++ b/drivers/input/keyboard/adp5588-keys.c
@@ -668,4 +668,3 @@ module_exit(adp5588_exit);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
 MODULE_DESCRIPTION("ADP5588/87 Keypad driver");
-MODULE_ALIAS("platform:adp5588-keys");
diff --git a/drivers/input/misc/cm109.c b/drivers/input/misc/cm109.c
index b09c7d127219..ab860511f016 100644
--- a/drivers/input/misc/cm109.c
+++ b/drivers/input/misc/cm109.c
@@ -475,7 +475,7 @@ static void cm109_toggle_buzzer_sync(struct cm109_dev *dev, int on)
                                 le16_to_cpu(dev->ctl_req->wIndex),
                                 dev->ctl_data,
                                 USB_PKT_LEN, USB_CTRL_SET_TIMEOUT);
-        if (error && error != EINTR)
+        if (error < 0 && error != -EINTR)
                 err("%s: usb_control_msg() failed %d", __func__, error);
 }
 
diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c
index da280189ef07..5ec617e28f7e 100644
--- a/drivers/input/mouse/bcm5974.c
+++ b/drivers/input/mouse/bcm5974.c
@@ -67,6 +67,10 @@
 #define USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI    0x0245
 #define USB_DEVICE_ID_APPLE_WELLSPRING5_ISO     0x0246
 #define USB_DEVICE_ID_APPLE_WELLSPRING5_JIS     0x0247
+/* MacbookAir4,1 (unibody, July 2011) */
+#define USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI   0x0249
+#define USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO    0x024a
+#define USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS    0x024b
 /* MacbookAir4,2 (unibody, July 2011) */
 #define USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI    0x024c
 #define USB_DEVICE_ID_APPLE_WELLSPRING6_ISO     0x024d
@@ -112,6 +116,10 @@ static const struct usb_device_id bcm5974_table[] = {
         BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI),
         BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5_ISO),
         BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5_JIS),
+        /* MacbookAir4,1 */
+        BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI),
+        BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO),
+        BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS),
         /* MacbookAir4,2 */
         BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI),
         BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6_ISO),
@@ -334,6 +342,18 @@ static const struct bcm5974_config bcm5974_config_table[] = {
                 { DIM_X, DIM_X / SN_COORD, -4750, 5280 },
                 { DIM_Y, DIM_Y / SN_COORD, -150, 6730 }
         },
+        {
+                USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI,
+                USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO,
+                USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS,
+                HAS_INTEGRATED_BUTTON,
+                0x84, sizeof(struct bt_data),
+                0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+                { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 300 },
+                { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 },
+                { DIM_X, DIM_X / SN_COORD, -4620, 5140 },
+                { DIM_Y, DIM_Y / SN_COORD, -150, 6600 }
+        },
         {}
 };
 
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index d27c9d91630b..958b4eb6369d 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -229,13 +229,6 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi
                                                         get_unaligned_le16(&report[i + 3]);
                                                 i += 4;
                                         }
-                                } else if (usage == WCM_DIGITIZER) {
-                                        /* max pressure isn't reported
-                                        features->pressure_max = (unsigned short)
-                                                        (report[i+4] << 8  | report[i + 3]);
-                                        */
-                                        features->pressure_max = 255;
-                                        i += 4;
                                 }
                                 break;
 
@@ -291,13 +284,6 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi
                                 pen = 1;
                                 i++;
                                 break;
-
-                        case HID_USAGE_UNDEFINED:
-                                if (usage == WCM_DESKTOP && finger) /* capacity */
-                                        features->pressure_max =
-                                                get_unaligned_le16(&report[i + 3]);
-                                i += 4;
-                                break;
                         }
                         break;
 
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index c1c2f7b28d89..0dc97ec15c28 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -800,25 +800,26 @@ static int wacom_bpt_touch(struct wacom_wac *wacom)
         int i;
 
         for (i = 0; i < 2; i++) {
-                int p = data[9 * i + 2];
-                bool touch = p && !wacom->shared->stylus_in_proximity;
+                int offset = (data[1] & 0x80) ? (8 * i) : (9 * i);
+                bool touch = data[offset + 3] & 0x80;
 
-                input_mt_slot(input, i);
-                input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
                 /*
                  * Touch events need to be disabled while stylus is
                  * in proximity because user's hand is resting on touchpad
                  * and sending unwanted events.  User expects tablet buttons
                  * to continue working though.
                  */
+                touch = touch && !wacom->shared->stylus_in_proximity;
+
+                input_mt_slot(input, i);
+                input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
                 if (touch) {
-                        int x = get_unaligned_be16(&data[9 * i + 3]) & 0x7ff;
-                        int y = get_unaligned_be16(&data[9 * i + 5]) & 0x7ff;
+                        int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff;
+                        int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff;
                         if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) {
                                 x <<= 5;
                                 y <<= 5;
                         }
-                        input_report_abs(input, ABS_MT_PRESSURE, p);
                         input_report_abs(input, ABS_MT_POSITION_X, x);
                         input_report_abs(input, ABS_MT_POSITION_Y, y);
                 }
@@ -1056,10 +1057,11 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev,
                              features->x_fuzz, 0);
         input_set_abs_params(input_dev, ABS_Y, 0, features->y_max,
                              features->y_fuzz, 0);
-        input_set_abs_params(input_dev, ABS_PRESSURE, 0, features->pressure_max,
-                             features->pressure_fuzz, 0);
 
         if (features->device_type == BTN_TOOL_PEN) {
+                input_set_abs_params(input_dev, ABS_PRESSURE, 0, features->pressure_max,
+                             features->pressure_fuzz, 0);
+
                 /* penabled devices have fixed resolution for each model */
                 input_abs_set_res(input_dev, ABS_X, features->x_resolution);
                 input_abs_set_res(input_dev, ABS_Y, features->y_resolution);
@@ -1098,6 +1100,8 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev,
                 __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
                 __set_bit(BTN_STYLUS, input_dev->keybit);
                 __set_bit(BTN_STYLUS2, input_dev->keybit);
+
+                __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
                 break;
 
         case WACOM_21UX2:
@@ -1126,6 +1130,9 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev,
                 }
 
                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
+
+                __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
+
                 wacom_setup_cintiq(wacom_wac);
                 break;
 
@@ -1150,6 +1157,8 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev,
                 /* fall through */
 
         case INTUOS:
+                __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
+
                 wacom_setup_intuos(wacom_wac);
                 break;
 
@@ -1165,6 +1174,8 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev,
 
                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
                 wacom_setup_intuos(wacom_wac);
+
+                __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
                 break;
 
         case TABLETPC2FG:
@@ -1183,26 +1194,40 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev,
         case TABLETPC:
                 __clear_bit(ABS_MISC, input_dev->absbit);
 
+                __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
+
                 if (features->device_type != BTN_TOOL_PEN)
                         break;  /* no need to process stylus stuff */
 
                 /* fall through */
 
         case PL:
-        case PTU:
         case DTU:
                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
+                __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
                 __set_bit(BTN_STYLUS, input_dev->keybit);
                 __set_bit(BTN_STYLUS2, input_dev->keybit);
+
+                __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
+                break;
+
+        case PTU:
+                __set_bit(BTN_STYLUS2, input_dev->keybit);
                 /* fall through */
 
         case PENPARTNER:
+                __set_bit(BTN_TOOL_PEN, input_dev->keybit);
                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
+                __set_bit(BTN_STYLUS, input_dev->keybit);
+
+                __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
                 break;
 
         case BAMBOO_PT:
                 __clear_bit(ABS_MISC, input_dev->absbit);
 
+                __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
+
                 if (features->device_type == BTN_TOOL_DOUBLETAP) {
                         __set_bit(BTN_LEFT, input_dev->keybit);
                         __set_bit(BTN_FORWARD, input_dev->keybit);
diff --git a/drivers/input/touchscreen/wacom_w8001.c b/drivers/input/touchscreen/wacom_w8001.c
index c14412ef4648..9941d39df43d 100644
--- a/drivers/input/touchscreen/wacom_w8001.c
+++ b/drivers/input/touchscreen/wacom_w8001.c
@@ -383,6 +383,8 @@ static int w8001_setup(struct w8001 *w8001)
         dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
         strlcat(w8001->name, "Wacom Serial", sizeof(w8001->name));
 
+        __set_bit(INPUT_PROP_DIRECT, dev->propbit);
+
         /* penabled? */
         error = w8001_command(w8001, W8001_CMD_QUERY, true);
         if (!error) {
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index a14f8dc23462..0e4227f457af 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -605,7 +605,9 @@ static void build_inv_all(struct iommu_cmd *cmd)
  * Writes the command to the IOMMUs command buffer and informs the
  * hardware about the new command.
  */
-static int iommu_queue_command(struct amd_iommu *iommu, struct iommu_cmd *cmd)
+static int iommu_queue_command_sync(struct amd_iommu *iommu,
+                                    struct iommu_cmd *cmd,
+                                    bool sync)
 {
         u32 left, tail, head, next_tail;
         unsigned long flags;
@@ -639,13 +641,18 @@ again:
         copy_cmd_to_buffer(iommu, cmd, tail);
 
         /* We need to sync now to make sure all commands are processed */
-        iommu->need_sync = true;
+        iommu->need_sync = sync;
 
         spin_unlock_irqrestore(&iommu->lock, flags);
 
         return 0;
 }
 
+static int iommu_queue_command(struct amd_iommu *iommu, struct iommu_cmd *cmd)
+{
+        return iommu_queue_command_sync(iommu, cmd, true);
+}
+
 /*
  * This function queues a completion wait command into the command
  * buffer of an IOMMU
@@ -661,7 +668,7 @@ static int iommu_completion_wait(struct amd_iommu *iommu)
 
         build_completion_wait(&cmd, (u64)&sem);
 
-        ret = iommu_queue_command(iommu, &cmd);
+        ret = iommu_queue_command_sync(iommu, &cmd, false);
         if (ret)
                 return ret;
 
@@ -840,14 +847,9 @@ static void domain_flush_complete(struct protection_domain *domain)
 static void domain_flush_devices(struct protection_domain *domain)
 {
         struct iommu_dev_data *dev_data;
-        unsigned long flags;
-
-        spin_lock_irqsave(&domain->lock, flags);
 
         list_for_each_entry(dev_data, &domain->dev_list, list)
                 device_flush_dte(dev_data);
-
-        spin_unlock_irqrestore(&domain->lock, flags);
 }
 
 /****************************************************************************
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index 3dc9befa5aec..6dcc7e2d54de 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -1388,7 +1388,7 @@ int dmar_set_interrupt(struct intel_iommu *iommu)
                 return ret;
         }
 
-        ret = request_irq(irq, dmar_fault, 0, iommu->name, iommu);
+        ret = request_irq(irq, dmar_fault, IRQF_NO_THREAD, iommu->name, iommu);
         if (ret)
                 printk(KERN_ERR "IOMMU: can't request irq\n");
         return ret;
diff --git a/drivers/leds/ledtrig-timer.c b/drivers/leds/ledtrig-timer.c
index d87c9d02f786..328c64c0841c 100644
--- a/drivers/leds/ledtrig-timer.c
+++ b/drivers/leds/ledtrig-timer.c
@@ -41,6 +41,7 @@ static ssize_t led_delay_on_store(struct device *dev,
 
         if (count == size) {
                 led_blink_set(led_cdev, &state, &led_cdev->blink_delay_off);
+                led_cdev->blink_delay_on = state;
                 ret = count;
         }
 
@@ -69,6 +70,7 @@ static ssize_t led_delay_off_store(struct device *dev,
 
         if (count == size) {
                 led_blink_set(led_cdev, &led_cdev->blink_delay_on, &state);
+                led_cdev->blink_delay_off = state;
                 ret = count;
         }
 
diff --git a/drivers/md/linear.h b/drivers/md/linear.h
index 0ce29b61605a..2f2da05b2ce9 100644
--- a/drivers/md/linear.h
+++ b/drivers/md/linear.h
@@ -10,9 +10,9 @@ typedef struct dev_info dev_info_t;
 
 struct linear_private_data
 {
+        struct rcu_head         rcu;
         sector_t                array_sectors;
         dev_info_t              disks[0];
-        struct rcu_head         rcu;
 };
 
 
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 8e221a20f5d9..5404b2295820 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -848,7 +848,7 @@ void md_super_write(mddev_t *mddev, mdk_rdev_t *rdev,
         bio->bi_end_io = super_written;
 
         atomic_inc(&mddev->pending_writes);
-        submit_bio(REQ_WRITE | REQ_SYNC | REQ_FLUSH | REQ_FUA, bio);
+        submit_bio(WRITE_FLUSH_FUA, bio);
 }
 
 void md_super_wait(mddev_t *mddev)
@@ -1138,8 +1138,11 @@ static int super_90_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version
                         ret = 0;
         }
         rdev->sectors = rdev->sb_start;
+        /* Limit to 4TB as metadata cannot record more than that */
+        if (rdev->sectors >= (2ULL << 32))
+                rdev->sectors = (2ULL << 32) - 2;
 
-        if (rdev->sectors < sb->size * 2 && sb->level > 1)
+        if (rdev->sectors < ((sector_t)sb->size) * 2 && sb->level >= 1)
                 /* "this cannot possibly happen" ... */
                 ret = -EINVAL;
 
@@ -1173,7 +1176,7 @@ static int super_90_validate(mddev_t *mddev, mdk_rdev_t *rdev)
                 mddev->clevel[0] = 0;
                 mddev->layout = sb->layout;
                 mddev->raid_disks = sb->raid_disks;
-                mddev->dev_sectors = sb->size * 2;
+                mddev->dev_sectors = ((sector_t)sb->size) * 2;
                 mddev->events = ev1;
                 mddev->bitmap_info.offset = 0;
                 mddev->bitmap_info.default_offset = MD_SB_BYTES >> 9;
@@ -1415,6 +1418,11 @@ super_90_rdev_size_change(mdk_rdev_t *rdev, sector_t num_sectors)
         rdev->sb_start = calc_dev_sboffset(rdev);
         if (!num_sectors || num_sectors > rdev->sb_start)
                 num_sectors = rdev->sb_start;
+        /* Limit to 4TB as metadata cannot record more than that.
+         * 4TB == 2^32 KB, or 2*2^32 sectors.
+         */
+        if (num_sectors >= (2ULL << 32))
+                num_sectors = (2ULL << 32) - 2;
         md_super_write(rdev->mddev, rdev, rdev->sb_start, rdev->sb_size,
                        rdev->sb_page);
         md_super_wait(rdev->mddev);
@@ -1738,6 +1746,11 @@ static void super_1_sync(mddev_t *mddev, mdk_rdev_t *rdev)
         sb->level = cpu_to_le32(mddev->level);
         sb->layout = cpu_to_le32(mddev->layout);
 
+        if (test_bit(WriteMostly, &rdev->flags))
+                sb->devflags |= WriteMostly1;
+        else
+                sb->devflags &= ~WriteMostly1;
+
         if (mddev->bitmap && mddev->bitmap_info.file == NULL) {
                 sb->bitmap_offset = cpu_to_le32((__u32)mddev->bitmap_info.offset);
                 sb->feature_map = cpu_to_le32(MD_FEATURE_BITMAP_OFFSET);
@@ -2561,7 +2574,10 @@ state_store(mdk_rdev_t *rdev, const char *buf, size_t len)
         int err = -EINVAL;
         if (cmd_match(buf, "faulty") && rdev->mddev->pers) {
                 md_error(rdev->mddev, rdev);
-                err = 0;
+                if (test_bit(Faulty, &rdev->flags))
+                        err = 0;
+                else
+                        err = -EBUSY;
         } else if (cmd_match(buf, "remove")) {
                 if (rdev->raid_disk >= 0)
                         err = -EBUSY;
@@ -2584,7 +2600,7 @@ state_store(mdk_rdev_t *rdev, const char *buf, size_t len)
                 err = 0;
         } else if (cmd_match(buf, "-blocked")) {
                 if (!test_bit(Faulty, &rdev->flags) &&
-                    test_bit(BlockedBadBlocks, &rdev->flags)) {
+                    rdev->badblocks.unacked_exist) {
                         /* metadata handler doesn't understand badblocks,
                          * so we need to fail the device
                          */
@@ -5983,6 +5999,8 @@ static int set_disk_faulty(mddev_t *mddev, dev_t dev)
                 return -ENODEV;
 
         md_error(mddev, rdev);
+        if (!test_bit(Faulty, &rdev->flags))
+                return -EBUSY;
         return 0;
 }
 
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 32323f0afd89..f4622dd8fc59 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1099,12 +1099,11 @@ read_again:
                 bio_list_add(&conf->pending_bio_list, mbio);
                 spin_unlock_irqrestore(&conf->device_lock, flags);
         }
-        r1_bio_write_done(r1_bio);
-
-        /* In case raid1d snuck in to freeze_array */
-        wake_up(&conf->wait_barrier);
-
+        /* Mustn't call r1_bio_write_done before this next test,
+         * as it could result in the bio being freed.
+         */
         if (sectors_handled < (bio->bi_size >> 9)) {
+                r1_bio_write_done(r1_bio);
                 /* We need another r1_bio.  It has already been counted
                  * in bio->bi_phys_segments
                  */
@@ -1117,6 +1116,11 @@ read_again:
                 goto retry_write;
         }
 
+        r1_bio_write_done(r1_bio);
+
+        /* In case raid1d snuck in to freeze_array */
+        wake_up(&conf->wait_barrier);
+
         if (do_sync || !bitmap || !plugged)
                 md_wakeup_thread(mddev->thread);
 
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 8b29cd4f01c8..d7a8468ddeab 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -337,6 +337,21 @@ static void close_write(r10bio_t *r10_bio)
         md_write_end(r10_bio->mddev);
 }
 
+static void one_write_done(r10bio_t *r10_bio)
+{
+        if (atomic_dec_and_test(&r10_bio->remaining)) {
+                if (test_bit(R10BIO_WriteError, &r10_bio->state))
+                        reschedule_retry(r10_bio);
+                else {
+                        close_write(r10_bio);
+                        if (test_bit(R10BIO_MadeGood, &r10_bio->state))
+                                reschedule_retry(r10_bio);
+                        else
+                                raid_end_bio_io(r10_bio);
+                }
+        }
+}
+
 static void raid10_end_write_request(struct bio *bio, int error)
 {
         int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
@@ -387,17 +402,7 @@ static void raid10_end_write_request(struct bio *bio, int error)
          * Let's see if all mirrored write operations have finished
          * already.
          */
-        if (atomic_dec_and_test(&r10_bio->remaining)) {
-                if (test_bit(R10BIO_WriteError, &r10_bio->state))
-                        reschedule_retry(r10_bio);
-                else {
-                        close_write(r10_bio);
-                        if (test_bit(R10BIO_MadeGood, &r10_bio->state))
-                                reschedule_retry(r10_bio);
-                        else
-                                raid_end_bio_io(r10_bio);
-                }
-        }
+        one_write_done(r10_bio);
         if (dec_rdev)
                 rdev_dec_pending(conf->mirrors[dev].rdev, conf->mddev);
 }
@@ -1127,20 +1132,12 @@ retry_write:
                 spin_unlock_irqrestore(&conf->device_lock, flags);
         }
 
-        if (atomic_dec_and_test(&r10_bio->remaining)) {
-                /* This matches the end of raid10_end_write_request() */
-                bitmap_endwrite(r10_bio->mddev->bitmap, r10_bio->sector,
-                                r10_bio->sectors,
-                                !test_bit(R10BIO_Degraded, &r10_bio->state),
-                                0);
-                md_write_end(mddev);
-                raid_end_bio_io(r10_bio);
-        }
-
-        /* In case raid10d snuck in to freeze_array */
-        wake_up(&conf->wait_barrier);
+        /* Don't remove the bias on 'remaining' (one_write_done) until
+         * after checking if we need to go around again.
+         */
 
         if (sectors_handled < (bio->bi_size >> 9)) {
+                one_write_done(r10_bio);
                 /* We need another r10_bio.  It has already been counted
                  * in bio->bi_phys_segments.
                  */
@@ -1154,6 +1151,10 @@ retry_write:
                 r10_bio->state = 0;
                 goto retry_write;
         }
+        one_write_done(r10_bio);
+
+        /* In case raid10d snuck in to freeze_array */
+        wake_up(&conf->wait_barrier);
 
         if (do_sync || !mddev->bitmap || !plugged)
                 md_wakeup_thread(mddev->thread);
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index dbae459fb02d..43709fa6b6df 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3336,7 +3336,7 @@ static void handle_stripe(struct stripe_head *sh)
 
 finish:
         /* wait for this device to become unblocked */
-        if (unlikely(s.blocked_rdev))
+        if (conf->mddev->external && unlikely(s.blocked_rdev))
                 md_wait_for_blocked_rdev(s.blocked_rdev, conf->mddev);
 
         if (s.handle_bad_blocks)
diff --git a/drivers/media/dvb/dvb-usb/vp7045.c b/drivers/media/dvb/dvb-usb/vp7045.c
index 3db89e3cb0bb..536c16c943bd 100644
--- a/drivers/media/dvb/dvb-usb/vp7045.c
+++ b/drivers/media/dvb/dvb-usb/vp7045.c
@@ -224,26 +224,8 @@ static struct dvb_usb_device_properties vp7045_properties;
 static int vp7045_usb_probe(struct usb_interface *intf,
                 const struct usb_device_id *id)
 {
-        struct dvb_usb_device *d;
-        int ret = dvb_usb_device_init(intf, &vp7045_properties,
-                                   THIS_MODULE, &d, adapter_nr);
-        if (ret)
-                return ret;
-
-        d->priv = kmalloc(20, GFP_KERNEL);
-        if (!d->priv) {
-                dvb_usb_device_exit(intf);
-                return -ENOMEM;
-        }
-
-        return ret;
-}
-
-static void vp7045_usb_disconnect(struct usb_interface *intf)
-{
-        struct dvb_usb_device *d = usb_get_intfdata(intf);
-        kfree(d->priv);
-        dvb_usb_device_exit(intf);
+        return dvb_usb_device_init(intf, &vp7045_properties,
+                                   THIS_MODULE, NULL, adapter_nr);
 }
 
 static struct usb_device_id vp7045_usb_table [] = {
@@ -258,7 +240,7 @@ MODULE_DEVICE_TABLE(usb, vp7045_usb_table);
 static struct dvb_usb_device_properties vp7045_properties = {
         .usb_ctrl = CYPRESS_FX2,
         .firmware = "dvb-usb-vp7045-01.fw",
-        .size_of_priv = sizeof(u8 *),
+        .size_of_priv = 20,
 
         .num_adapters = 1,
         .adapter = {
@@ -305,7 +287,7 @@ static struct dvb_usb_device_properties vp7045_properties = {
 static struct usb_driver vp7045_usb_driver = {
         .name           = "dvb_usb_vp7045",
         .probe          = vp7045_usb_probe,
-        .disconnect     = vp7045_usb_disconnect,
+        .disconnect     = dvb_usb_device_exit,
         .id_table       = vp7045_usb_table,
 };
 
diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c
index eae05b500476..144f3f55d765 100644
--- a/drivers/media/rc/nuvoton-cir.c
+++ b/drivers/media/rc/nuvoton-cir.c
@@ -618,7 +618,6 @@ static void nvt_dump_rx_buf(struct nvt_dev *nvt)
 static void nvt_process_rx_ir_data(struct nvt_dev *nvt)
 {
         DEFINE_IR_RAW_EVENT(rawir);
-        unsigned int count;
         u32 carrier;
         u8 sample;
         int i;
@@ -631,65 +630,38 @@ static void nvt_process_rx_ir_data(struct nvt_dev *nvt)
         if (nvt->carrier_detect_enabled)
                 carrier = nvt_rx_carrier_detect(nvt);
 
-        count = nvt->pkts;
-        nvt_dbg_verbose("Processing buffer of len %d", count);
+        nvt_dbg_verbose("Processing buffer of len %d", nvt->pkts);
 
         init_ir_raw_event(&rawir);
 
-        for (i = 0; i < count; i++) {
-                nvt->pkts--;
+        for (i = 0; i < nvt->pkts; i++) {
                 sample = nvt->buf[i];
 
                 rawir.pulse = ((sample & BUF_PULSE_BIT) != 0);
                 rawir.duration = US_TO_NS((sample & BUF_LEN_MASK)
                                           * SAMPLE_PERIOD);
 
-                if ((sample & BUF_LEN_MASK) == BUF_LEN_MASK) {
-                        if (nvt->rawir.pulse == rawir.pulse)
-                                nvt->rawir.duration += rawir.duration;
-                        else {
-                                nvt->rawir.duration = rawir.duration;
-                                nvt->rawir.pulse = rawir.pulse;
-                        }
-                        continue;
-                }
-
-                rawir.duration += nvt->rawir.duration;
+                nvt_dbg("Storing %s with duration %d",
+                        rawir.pulse ? "pulse" : "space", rawir.duration);
 
-                init_ir_raw_event(&nvt->rawir);
-                nvt->rawir.duration = 0;
-                nvt->rawir.pulse = rawir.pulse;
-
-                if (sample == BUF_PULSE_BIT)
-                        rawir.pulse = false;
-
-                if (rawir.duration) {
-                        nvt_dbg("Storing %s with duration %d",
-                                rawir.pulse ? "pulse" : "space",
-                                rawir.duration);
-
-                        ir_raw_event_store_with_filter(nvt->rdev, &rawir);
-                }
+                ir_raw_event_store_with_filter(nvt->rdev, &rawir);
 
                 /*
                  * BUF_PULSE_BIT indicates end of IR data, BUF_REPEAT_BYTE
                  * indicates end of IR signal, but new data incoming. In both
                  * cases, it means we're ready to call ir_raw_event_handle
                  */
-                if ((sample == BUF_PULSE_BIT) && nvt->pkts) {
+                if ((sample == BUF_PULSE_BIT) && (i + 1 < nvt->pkts)) {
                         nvt_dbg("Calling ir_raw_event_handle (signal end)\n");
                         ir_raw_event_handle(nvt->rdev);
                 }
         }
 
+        nvt->pkts = 0;
+
         nvt_dbg("Calling ir_raw_event_handle (buffer empty)\n");
         ir_raw_event_handle(nvt->rdev);
 
-        if (nvt->pkts) {
-                nvt_dbg("Odd, pkts should be 0 now... (its %u)", nvt->pkts);
-                nvt->pkts = 0;
-        }
-
         nvt_dbg_verbose("%s done", __func__);
 }
 
@@ -1048,7 +1020,6 @@ static int nvt_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id)
 
         spin_lock_init(&nvt->nvt_lock);
         spin_lock_init(&nvt->tx.lock);
-        init_ir_raw_event(&nvt->rawir);
 
         ret = -EBUSY;
         /* now claim resources */
diff --git a/drivers/media/rc/nuvoton-cir.h b/drivers/media/rc/nuvoton-cir.h
index 1241fc89a36c..0d5e0872a2ea 100644
--- a/drivers/media/rc/nuvoton-cir.h
+++ b/drivers/media/rc/nuvoton-cir.h
@@ -67,7 +67,6 @@ static int debug;
 struct nvt_dev {
         struct pnp_dev *pdev;
         struct rc_dev *rdev;
-        struct ir_raw_event rawir;
 
         spinlock_t nvt_lock;
 
diff --git a/drivers/media/video/gspca/ov519.c b/drivers/media/video/gspca/ov519.c
index 0800433b2092..18305c89083c 100644
--- a/drivers/media/video/gspca/ov519.c
+++ b/drivers/media/video/gspca/ov519.c
@@ -2858,7 +2858,6 @@ static void ov7xx0_configure(struct sd *sd)
                         case 0x60:
                                 PDEBUG(D_PROBE, "Sensor is a OV7660");
                                 sd->sensor = SEN_OV7660;
-                                sd->invert_led = 0;
                                 break;
                         default:
                                 PDEBUG(D_PROBE, "Unknown sensor: 0x76%x", low);
@@ -3337,7 +3336,6 @@ static int sd_config(struct gspca_dev *gspca_dev,
         case BRIDGE_OV519:
                 cam->cam_mode = ov519_vga_mode;
                 cam->nmodes = ARRAY_SIZE(ov519_vga_mode);
-                sd->invert_led = !sd->invert_led;
                 break;
         case BRIDGE_OVFX2:
                 cam->cam_mode = ov519_vga_mode;
@@ -5005,24 +5003,24 @@ static const struct sd_desc sd_desc = {
 /* -- module initialisation -- */
 static const struct usb_device_id device_table[] = {
         {USB_DEVICE(0x041e, 0x4003), .driver_info = BRIDGE_W9968CF },
-        {USB_DEVICE(0x041e, 0x4052), .driver_info = BRIDGE_OV519 },
-        {USB_DEVICE(0x041e, 0x405f),
+        {USB_DEVICE(0x041e, 0x4052),
                 .driver_info = BRIDGE_OV519 | BRIDGE_INVERT_LED },
+        {USB_DEVICE(0x041e, 0x405f), .driver_info = BRIDGE_OV519 },
         {USB_DEVICE(0x041e, 0x4060), .driver_info = BRIDGE_OV519 },
         {USB_DEVICE(0x041e, 0x4061), .driver_info = BRIDGE_OV519 },
-        {USB_DEVICE(0x041e, 0x4064),
-                .driver_info = BRIDGE_OV519 | BRIDGE_INVERT_LED },
+        {USB_DEVICE(0x041e, 0x4064), .driver_info = BRIDGE_OV519 },
         {USB_DEVICE(0x041e, 0x4067), .driver_info = BRIDGE_OV519 },
-        {USB_DEVICE(0x041e, 0x4068),
+        {USB_DEVICE(0x041e, 0x4068), .driver_info = BRIDGE_OV519 },
+        {USB_DEVICE(0x045e, 0x028c),
                 .driver_info = BRIDGE_OV519 | BRIDGE_INVERT_LED },
-        {USB_DEVICE(0x045e, 0x028c), .driver_info = BRIDGE_OV519 },
         {USB_DEVICE(0x054c, 0x0154), .driver_info = BRIDGE_OV519 },
-        {USB_DEVICE(0x054c, 0x0155),
-                .driver_info = BRIDGE_OV519 | BRIDGE_INVERT_LED },
+        {USB_DEVICE(0x054c, 0x0155), .driver_info = BRIDGE_OV519 },
         {USB_DEVICE(0x05a9, 0x0511), .driver_info = BRIDGE_OV511 },
         {USB_DEVICE(0x05a9, 0x0518), .driver_info = BRIDGE_OV518 },
-        {USB_DEVICE(0x05a9, 0x0519), .driver_info = BRIDGE_OV519 },
-        {USB_DEVICE(0x05a9, 0x0530), .driver_info = BRIDGE_OV519 },
+        {USB_DEVICE(0x05a9, 0x0519),
+                .driver_info = BRIDGE_OV519 | BRIDGE_INVERT_LED },
+        {USB_DEVICE(0x05a9, 0x0530),
+                .driver_info = BRIDGE_OV519 | BRIDGE_INVERT_LED },
         {USB_DEVICE(0x05a9, 0x2800), .driver_info = BRIDGE_OVFX2 },
         {USB_DEVICE(0x05a9, 0x4519), .driver_info = BRIDGE_OV519 },
         {USB_DEVICE(0x05a9, 0x8519), .driver_info = BRIDGE_OV519 },
diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c
index 81b8a600783b..c477ad11f103 100644
--- a/drivers/media/video/gspca/sonixj.c
+++ b/drivers/media/video/gspca/sonixj.c
@@ -2386,7 +2386,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
                 reg_w1(gspca_dev, 0x01, 0x22);
                 msleep(100);
                 reg01 = SCL_SEL_OD | S_PDN_INV;
-                reg17 &= MCK_SIZE_MASK;
+                reg17 &= ~MCK_SIZE_MASK;
                 reg17 |= 0x04;          /* clock / 4 */
                 break;
         }
@@ -2532,6 +2532,10 @@ static int sd_start(struct gspca_dev *gspca_dev)
                 if (!mode) {                    /* if 640x480 */
                         reg17 &= ~MCK_SIZE_MASK;
                         reg17 |= 0x04;          /* clock / 4 */
+                } else {
+                        reg01 &= ~SYS_SEL_48M;  /* clk 24Mz */
+                        reg17 &= ~MCK_SIZE_MASK;
+                        reg17 |= 0x02;          /* clock / 2 */
                 }
                 break;
         case SENSOR_OV7630:
diff --git a/drivers/media/video/pwc/pwc-v4l.c b/drivers/media/video/pwc/pwc-v4l.c
index e9a0e94b9995..8c70e64444e7 100644
--- a/drivers/media/video/pwc/pwc-v4l.c
+++ b/drivers/media/video/pwc/pwc-v4l.c
@@ -338,7 +338,7 @@ int pwc_init_controls(struct pwc_device *pdev)
         if (pdev->restore_factory)
                 pdev->restore_factory->flags = V4L2_CTRL_FLAG_UPDATE;
 
-        if (!pdev->features & FEATURE_MOTOR_PANTILT)
+        if (!(pdev->features & FEATURE_MOTOR_PANTILT))
                 return hdl->error;
 
         /* Motor pan / tilt / reset */
diff --git a/drivers/media/video/via-camera.c b/drivers/media/video/via-camera.c
index 85d3048c1d67..bb7f17f2a33c 100644
--- a/drivers/media/video/via-camera.c
+++ b/drivers/media/video/via-camera.c
@@ -1332,6 +1332,8 @@ static __devinit bool viacam_serial_is_enabled(void)
         struct pci_bus *pbus = pci_find_bus(0, 0);
         u8 cbyte;
 
+        if (!pbus)
+                return false;
         pci_bus_read_config_byte(pbus, VIACAM_SERIAL_DEVFN,
                         VIACAM_SERIAL_CREG, &cbyte);
         if ((cbyte & VIACAM_SERIAL_BIT) == 0)
diff --git a/drivers/mfd/max8997.c b/drivers/mfd/max8997.c
index 5d1fca0277ef..f83103b8970d 100644
--- a/drivers/mfd/max8997.c
+++ b/drivers/mfd/max8997.c
@@ -135,10 +135,13 @@ static int max8997_i2c_probe(struct i2c_client *i2c,
         max8997->dev = &i2c->dev;
         max8997->i2c = i2c;
         max8997->type = id->driver_data;
+        max8997->irq = i2c->irq;
 
         if (!pdata)
                 goto err;
 
+        max8997->irq_base = pdata->irq_base;
+        max8997->ono = pdata->ono;
         max8997->wakeup = pdata->wakeup;
 
         mutex_init(&max8997->iolock);
@@ -152,6 +155,8 @@ static int max8997_i2c_probe(struct i2c_client *i2c,
 
         pm_runtime_set_active(max8997->dev);
 
+        max8997_irq_init(max8997);
+
         mfd_add_devices(max8997->dev, -1, max8997_devs,
                         ARRAY_SIZE(max8997_devs),
                         NULL, 0);
diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c
index 29601e7d606d..86e14583a082 100644
--- a/drivers/mfd/omap-usb-host.c
+++ b/drivers/mfd/omap-usb-host.c
@@ -17,6 +17,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/types.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
@@ -676,7 +677,6 @@ static void usbhs_omap_tll_init(struct device *dev, u8 tll_channel_count)
                                 | OMAP_TLL_CHANNEL_CONF_ULPINOBITSTUFF
                                 | OMAP_TLL_CHANNEL_CONF_ULPIDDRMODE);
 
-                        reg |= (1 << (i + 1));
                 } else
                         continue;
 
diff --git a/drivers/mfd/tps65910-irq.c b/drivers/mfd/tps65910-irq.c
index 2bfad5c86cc7..a56be931551c 100644
--- a/drivers/mfd/tps65910-irq.c
+++ b/drivers/mfd/tps65910-irq.c
@@ -178,8 +178,10 @@ int tps65910_irq_init(struct tps65910 *tps65910, int irq,
         switch (tps65910_chip_id(tps65910)) {
         case TPS65910:
                 tps65910->irq_num = TPS65910_NUM_IRQ;
+                break;
         case TPS65911:
                 tps65910->irq_num = TPS65911_NUM_IRQ;
+                break;
         }
 
         /* Register with genirq */
diff --git a/drivers/mfd/twl4030-madc.c b/drivers/mfd/twl4030-madc.c
index b5d598c3aa71..7cbf2aa9e64f 100644
--- a/drivers/mfd/twl4030-madc.c
+++ b/drivers/mfd/twl4030-madc.c
@@ -510,8 +510,9 @@ int twl4030_madc_conversion(struct twl4030_madc_request *req)
         u8 ch_msb, ch_lsb;
         int ret;
 
-        if (!req)
+        if (!req || !twl4030_madc)
                 return -EINVAL;
+
         mutex_lock(&twl4030_madc->lock);
         if (req->method < TWL4030_MADC_RT || req->method > TWL4030_MADC_SW2) {
                 ret = -EINVAL;
@@ -706,6 +707,8 @@ static int __devinit twl4030_madc_probe(struct platform_device *pdev)
         if (!madc)
                 return -ENOMEM;
 
+        madc->dev = &pdev->dev;
+
         /*
          * Phoenix provides 2 interrupt lines. The first one is connected to
          * the OMAP. The other one can be connected to the other processor such
diff --git a/drivers/mfd/wm8350-gpio.c b/drivers/mfd/wm8350-gpio.c
index ebf99bef392f..d584f6b4d6e2 100644
--- a/drivers/mfd/wm8350-gpio.c
+++ b/drivers/mfd/wm8350-gpio.c
@@ -37,7 +37,7 @@ static int gpio_set_dir(struct wm8350 *wm8350, int gpio, int dir)
         return ret;
 }
 
-static int gpio_set_debounce(struct wm8350 *wm8350, int gpio, int db)
+static int wm8350_gpio_set_debounce(struct wm8350 *wm8350, int gpio, int db)
 {
         if (db == WM8350_GPIO_DEBOUNCE_ON)
                 return wm8350_set_bits(wm8350, WM8350_GPIO_DEBOUNCE,
@@ -210,7 +210,7 @@ int wm8350_gpio_config(struct wm8350 *wm8350, int gpio, int dir, int func,
                 goto err;
         if (gpio_set_polarity(wm8350, gpio, pol))
                 goto err;
-        if (gpio_set_debounce(wm8350, gpio, debounce))
+        if (wm8350_gpio_set_debounce(wm8350, gpio, debounce))
                 goto err;
         if (gpio_set_dir(wm8350, gpio, dir))
                 goto err;
diff --git a/drivers/misc/pti.c b/drivers/misc/pti.c
index 06df1877ad0f..0b56e3f43573 100644
--- a/drivers/misc/pti.c
+++ b/drivers/misc/pti.c
@@ -165,6 +165,11 @@ static void pti_write_to_aperture(struct pti_masterchannel *mc,
 static void pti_control_frame_built_and_sent(struct pti_masterchannel *mc,
                                              const char *thread_name)
 {
+        /*
+         * Since we access the comm member in current's task_struct, we only
+         * need to be as large as what 'comm' in that structure is.
+         */
+        char comm[TASK_COMM_LEN];
         struct pti_masterchannel mccontrol = {.master = CONTROL_ID,
                                               .channel = 0};
         const char *thread_name_p;
@@ -172,13 +177,6 @@ static void pti_control_frame_built_and_sent(struct pti_masterchannel *mc,
         u8 control_frame[CONTROL_FRAME_LEN];
 
         if (!thread_name) {
-                /*
-                 * Since we access the comm member in current's task_struct,
-                 * we only need to be as large as what 'comm' in that
-                 * structure is.
-                 */
-                char comm[TASK_COMM_LEN];
-
                 if (!in_interrupt())
                         get_task_comm(comm, current);
                 else
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 91a0a7460ebb..b27b94078c21 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -133,7 +133,7 @@ void mmc_request_done(struct mmc_host *host, struct mmc_request *mrq)
                 if (mrq->done)
                         mrq->done(mrq);
 
-                mmc_host_clk_gate(host);
+                mmc_host_clk_release(host);
         }
 }
 
@@ -192,7 +192,7 @@ mmc_start_request(struct mmc_host *host, struct mmc_request *mrq)
                         mrq->stop->mrq = mrq;
                 }
         }
-        mmc_host_clk_ungate(host);
+        mmc_host_clk_hold(host);
         led_trigger_event(host->led, LED_FULL);
         host->ops->request(host, mrq);
 }
@@ -728,15 +728,17 @@ static inline void mmc_set_ios(struct mmc_host *host)
  */
 void mmc_set_chip_select(struct mmc_host *host, int mode)
 {
+        mmc_host_clk_hold(host);
         host->ios.chip_select = mode;
         mmc_set_ios(host);
+        mmc_host_clk_release(host);
 }
 
 /*
  * Sets the host clock to the highest possible frequency that
  * is below "hz".
  */
-void mmc_set_clock(struct mmc_host *host, unsigned int hz)
+static void __mmc_set_clock(struct mmc_host *host, unsigned int hz)
 {
         WARN_ON(hz < host->f_min);
 
@@ -747,6 +749,13 @@ void mmc_set_clock(struct mmc_host *host, unsigned int hz)
         mmc_set_ios(host);
 }
 
+void mmc_set_clock(struct mmc_host *host, unsigned int hz)
+{
+        mmc_host_clk_hold(host);
+        __mmc_set_clock(host, hz);
+        mmc_host_clk_release(host);
+}
+
 #ifdef CONFIG_MMC_CLKGATE
 /*
  * This gates the clock by setting it to 0 Hz.
@@ -779,7 +788,7 @@ void mmc_ungate_clock(struct mmc_host *host)
         if (host->clk_old) {
                 BUG_ON(host->ios.clock);
                 /* This call will also set host->clk_gated to false */
-                mmc_set_clock(host, host->clk_old);
+                __mmc_set_clock(host, host->clk_old);
         }
 }
 
@@ -807,8 +816,10 @@ void mmc_set_ungated(struct mmc_host *host)
  */
 void mmc_set_bus_mode(struct mmc_host *host, unsigned int mode)
 {
+        mmc_host_clk_hold(host);
         host->ios.bus_mode = mode;
         mmc_set_ios(host);
+        mmc_host_clk_release(host);
 }
 
 /*
@@ -816,8 +827,10 @@ void mmc_set_bus_mode(struct mmc_host *host, unsigned int mode)
  */
 void mmc_set_bus_width(struct mmc_host *host, unsigned int width)
 {
+        mmc_host_clk_hold(host);
         host->ios.bus_width = width;
         mmc_set_ios(host);
+        mmc_host_clk_release(host);
 }
 
 /**
@@ -1015,8 +1028,10 @@ u32 mmc_select_voltage(struct mmc_host *host, u32 ocr)
 
                 ocr &= 3 << bit;
 
+                mmc_host_clk_hold(host);
                 host->ios.vdd = bit;
                 mmc_set_ios(host);
+                mmc_host_clk_release(host);
         } else {
                 pr_warning("%s: host doesn't support card's voltages\n",
                                 mmc_hostname(host));
@@ -1063,8 +1078,10 @@ int mmc_set_signal_voltage(struct mmc_host *host, int signal_voltage, bool cmd11
  */
 void mmc_set_timing(struct mmc_host *host, unsigned int timing)
 {
+        mmc_host_clk_hold(host);
         host->ios.timing = timing;
         mmc_set_ios(host);
+        mmc_host_clk_release(host);
 }
 
 /*
@@ -1072,8 +1089,10 @@ void mmc_set_timing(struct mmc_host *host, unsigned int timing)
  */
 void mmc_set_driver_type(struct mmc_host *host, unsigned int drv_type)
 {
+        mmc_host_clk_hold(host);
         host->ios.drv_type = drv_type;
         mmc_set_ios(host);
+        mmc_host_clk_release(host);
 }
 
 /*
@@ -1091,6 +1110,8 @@ static void mmc_power_up(struct mmc_host *host)
 {
         int bit;
 
+        mmc_host_clk_hold(host);
+
         /* If ocr is set, we use it */
         if (host->ocr)
                 bit = ffs(host->ocr) - 1;
@@ -1126,10 +1147,14 @@ static void mmc_power_up(struct mmc_host *host)
          * time required to reach a stable voltage.
          */
         mmc_delay(10);
+
+        mmc_host_clk_release(host);
 }
 
 static void mmc_power_off(struct mmc_host *host)
 {
+        mmc_host_clk_hold(host);
+
         host->ios.clock = 0;
         host->ios.vdd = 0;
 
@@ -1147,6 +1172,8 @@ static void mmc_power_off(struct mmc_host *host)
         host->ios.bus_width = MMC_BUS_WIDTH_1;
         host->ios.timing = MMC_TIMING_LEGACY;
         mmc_set_ios(host);
+
+        mmc_host_clk_release(host);
 }
 
 /*
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index b29d3e8fd3a2..793d0a0dad8d 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -119,14 +119,14 @@ static void mmc_host_clk_gate_work(struct work_struct *work)
 }
 
 /**
- *      mmc_host_clk_ungate - ungate hardware MCI clocks
+ *      mmc_host_clk_hold - ungate hardware MCI clocks
  *      @host: host to ungate.
  *
  *      Makes sure the host ios.clock is restored to a non-zero value
  *      past this call. Increase clock reference count and ungate clock
  *      if we're the first user.
  */
-void mmc_host_clk_ungate(struct mmc_host *host)
+void mmc_host_clk_hold(struct mmc_host *host)
 {
         unsigned long flags;
 
@@ -164,14 +164,14 @@ static bool mmc_host_may_gate_card(struct mmc_card *card)
 }
 
 /**
- *      mmc_host_clk_gate - gate off hardware MCI clocks
+ *      mmc_host_clk_release - gate off hardware MCI clocks
  *      @host: host to gate.
  *
  *      Calls the host driver with ios.clock set to zero as often as possible
  *      in order to gate off hardware MCI clocks. Decrease clock reference
  *      count and schedule disabling of clock.
  */
-void mmc_host_clk_gate(struct mmc_host *host)
+void mmc_host_clk_release(struct mmc_host *host)
 {
         unsigned long flags;
 
@@ -179,7 +179,7 @@ void mmc_host_clk_gate(struct mmc_host *host)
         host->clk_requests--;
         if (mmc_host_may_gate_card(host->card) &&
             !host->clk_requests)
-                schedule_work(&host->clk_gate_work);
+                queue_work(system_nrt_wq, &host->clk_gate_work);
         spin_unlock_irqrestore(&host->clk_lock, flags);
 }
 
@@ -231,7 +231,7 @@ static inline void mmc_host_clk_exit(struct mmc_host *host)
         if (cancel_work_sync(&host->clk_gate_work))
                 mmc_host_clk_gate_delayed(host);
         if (host->clk_gated)
-                mmc_host_clk_ungate(host);
+                mmc_host_clk_hold(host);
         /* There should be only one user now */
         WARN_ON(host->clk_requests > 1);
 }
diff --git a/drivers/mmc/core/host.h b/drivers/mmc/core/host.h
index de199f911928..fb8a5cd2e4a1 100644
--- a/drivers/mmc/core/host.h
+++ b/drivers/mmc/core/host.h
@@ -16,16 +16,16 @@ int mmc_register_host_class(void);
 void mmc_unregister_host_class(void);
 
 #ifdef CONFIG_MMC_CLKGATE
-void mmc_host_clk_ungate(struct mmc_host *host);
-void mmc_host_clk_gate(struct mmc_host *host);
+void mmc_host_clk_hold(struct mmc_host *host);
+void mmc_host_clk_release(struct mmc_host *host);
 unsigned int mmc_host_clk_rate(struct mmc_host *host);
 
 #else
-static inline void mmc_host_clk_ungate(struct mmc_host *host)
+static inline void mmc_host_clk_hold(struct mmc_host *host)
 {
 }
 
-static inline void mmc_host_clk_gate(struct mmc_host *host)
+static inline void mmc_host_clk_release(struct mmc_host *host)
 {
 }
 
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index 633975ff2bb3..0370e03e3142 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -469,56 +469,75 @@ static int sd_select_driver_type(struct mmc_card *card, u8 *status)
         return 0;
 }
 
-static int sd_set_bus_speed_mode(struct mmc_card *card, u8 *status)
+static void sd_update_bus_speed_mode(struct mmc_card *card)
 {
-        unsigned int bus_speed = 0, timing = 0;
-        int err;
-
         /*
          * If the host doesn't support any of the UHS-I modes, fallback on
          * default speed.
          */
         if (!(card->host->caps & (MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25 |
-            MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR104 | MMC_CAP_UHS_DDR50)))
-                return 0;
+            MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR104 | MMC_CAP_UHS_DDR50))) {
+                card->sd_bus_speed = 0;
+                return;
+        }
 
         if ((card->host->caps & MMC_CAP_UHS_SDR104) &&
             (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR104)) {
-                        bus_speed = UHS_SDR104_BUS_SPEED;
-                        timing = MMC_TIMING_UHS_SDR104;
-                        card->sw_caps.uhs_max_dtr = UHS_SDR104_MAX_DTR;
+                        card->sd_bus_speed = UHS_SDR104_BUS_SPEED;
         } else if ((card->host->caps & MMC_CAP_UHS_DDR50) &&
                    (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_DDR50)) {
-                        bus_speed = UHS_DDR50_BUS_SPEED;
-                        timing = MMC_TIMING_UHS_DDR50;
-                        card->sw_caps.uhs_max_dtr = UHS_DDR50_MAX_DTR;
+                        card->sd_bus_speed = UHS_DDR50_BUS_SPEED;
         } else if ((card->host->caps & (MMC_CAP_UHS_SDR104 |
                     MMC_CAP_UHS_SDR50)) && (card->sw_caps.sd3_bus_mode &
                     SD_MODE_UHS_SDR50)) {
-                        bus_speed = UHS_SDR50_BUS_SPEED;
-                        timing = MMC_TIMING_UHS_SDR50;
-                        card->sw_caps.uhs_max_dtr = UHS_SDR50_MAX_DTR;
+                        card->sd_bus_speed = UHS_SDR50_BUS_SPEED;
         } else if ((card->host->caps & (MMC_CAP_UHS_SDR104 |
                     MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR25)) &&
                    (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR25)) {
-                        bus_speed = UHS_SDR25_BUS_SPEED;
-                        timing = MMC_TIMING_UHS_SDR25;
-                        card->sw_caps.uhs_max_dtr = UHS_SDR25_MAX_DTR;
+                        card->sd_bus_speed = UHS_SDR25_BUS_SPEED;
         } else if ((card->host->caps & (MMC_CAP_UHS_SDR104 |
                     MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR25 |
                     MMC_CAP_UHS_SDR12)) && (card->sw_caps.sd3_bus_mode &
                     SD_MODE_UHS_SDR12)) {
-                        bus_speed = UHS_SDR12_BUS_SPEED;
-                        timing = MMC_TIMING_UHS_SDR12;
-                        card->sw_caps.uhs_max_dtr = UHS_SDR12_MAX_DTR;
+                        card->sd_bus_speed = UHS_SDR12_BUS_SPEED;
+        }
+}
+
+static int sd_set_bus_speed_mode(struct mmc_card *card, u8 *status)
+{
+        int err;
+        unsigned int timing = 0;
+
+        switch (card->sd_bus_speed) {
+        case UHS_SDR104_BUS_SPEED:
+                timing = MMC_TIMING_UHS_SDR104;
+                card->sw_caps.uhs_max_dtr = UHS_SDR104_MAX_DTR;
+                break;
+        case UHS_DDR50_BUS_SPEED:
+                timing = MMC_TIMING_UHS_DDR50;
+                card->sw_caps.uhs_max_dtr = UHS_DDR50_MAX_DTR;
+                break;
+        case UHS_SDR50_BUS_SPEED:
+                timing = MMC_TIMING_UHS_SDR50;
+                card->sw_caps.uhs_max_dtr = UHS_SDR50_MAX_DTR;
+                break;
+        case UHS_SDR25_BUS_SPEED:
+                timing = MMC_TIMING_UHS_SDR25;
+                card->sw_caps.uhs_max_dtr = UHS_SDR25_MAX_DTR;
+                break;
+        case UHS_SDR12_BUS_SPEED:
+                timing = MMC_TIMING_UHS_SDR12;
+                card->sw_caps.uhs_max_dtr = UHS_SDR12_MAX_DTR;
+                break;
+        default:
+                return 0;
         }
 
-        card->sd_bus_speed = bus_speed;
-        err = mmc_sd_switch(card, 1, 0, bus_speed, status);
+        err = mmc_sd_switch(card, 1, 0, card->sd_bus_speed, status);
         if (err)
                 return err;
 
-        if ((status[16] & 0xF) != bus_speed)
+        if ((status[16] & 0xF) != card->sd_bus_speed)
                 printk(KERN_WARNING "%s: Problem setting bus speed mode!\n",
                         mmc_hostname(card->host));
         else {
@@ -618,18 +637,24 @@ static int mmc_sd_init_uhs_card(struct mmc_card *card)
                 mmc_set_bus_width(card->host, MMC_BUS_WIDTH_4);
         }
 
+        /*
+         * Select the bus speed mode depending on host
+         * and card capability.
+         */
+        sd_update_bus_speed_mode(card);
+
         /* Set the driver strength for the card */
         err = sd_select_driver_type(card, status);
         if (err)
                 goto out;
 
-        /* Set bus speed mode of the card */
-        err = sd_set_bus_speed_mode(card, status);
+        /* Set current limit for the card */
+        err = sd_set_current_limit(card, status);
         if (err)
                 goto out;
 
-        /* Set current limit for the card */
-        err = sd_set_current_limit(card, status);
+        /* Set bus speed mode of the card */
+        err = sd_set_bus_speed_mode(card, status);
         if (err)
                 goto out;
 
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 0e9780f5a4a9..4dc0028086a3 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -16,6 +16,7 @@
 #include <linux/err.h>
 #include <linux/clk.h>
 #include <linux/gpio.h>
+#include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/mmc/host.h>
 #include <linux/mmc/mmc.h>
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 2bd7bf4fece7..fe886d6c474a 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -302,6 +302,8 @@ static int sdhci_s3c_platform_8bit_width(struct sdhci_host *host, int width)
                 ctrl &= ~SDHCI_CTRL_8BITBUS;
                 break;
         default:
+                ctrl &= ~SDHCI_CTRL_4BITBUS;
+                ctrl &= ~SDHCI_CTRL_8BITBUS;
                 break;
         }
 
diff --git a/drivers/mmc/host/sh_mobile_sdhi.c b/drivers/mmc/host/sh_mobile_sdhi.c
index 774f6439d7ce..0c4a672f5db6 100644
--- a/drivers/mmc/host/sh_mobile_sdhi.c
+++ b/drivers/mmc/host/sh_mobile_sdhi.c
@@ -120,11 +120,11 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev)
         mmc_data->hclk = clk_get_rate(priv->clk);
         mmc_data->set_pwr = sh_mobile_sdhi_set_pwr;
         mmc_data->get_cd = sh_mobile_sdhi_get_cd;
-        if (mmc_data->flags & TMIO_MMC_HAS_IDLE_WAIT)
-                mmc_data->write16_hook = sh_mobile_sdhi_write16_hook;
         mmc_data->capabilities = MMC_CAP_MMC_HIGHSPEED;
         if (p) {
                 mmc_data->flags = p->tmio_flags;
+                if (mmc_data->flags & TMIO_MMC_HAS_IDLE_WAIT)
+                        mmc_data->write16_hook = sh_mobile_sdhi_write16_hook;
                 mmc_data->ocr_mask = p->tmio_ocr_mask;
                 mmc_data->capabilities |= p->tmio_caps;
 
diff --git a/drivers/mtd/ubi/debug.h b/drivers/mtd/ubi/debug.h
index 65b5b76cc379..64fbb0021825 100644
--- a/drivers/mtd/ubi/debug.h
+++ b/drivers/mtd/ubi/debug.h
@@ -181,7 +181,7 @@ static inline int ubi_dbg_is_erase_failure(const struct ubi_device *ubi)
 
 #define ubi_dbg_msg(fmt, ...) do {                                           \
         if (0)                                                               \
-                pr_debug(fmt "\n", ##__VA_ARGS__);                           \
+                printk(KERN_DEBUG fmt "\n", ##__VA_ARGS__);                  \
 } while (0)
 
 #define dbg_msg(fmt, ...)  ubi_dbg_msg(fmt, ##__VA_ARGS__)
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 8d0314dbd946..a44874e24f2a 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2535,7 +2535,7 @@ config S6GMAC
 source "drivers/net/stmmac/Kconfig"
 
 config PCH_GBE
-        tristate "Intel EG20T PCH / OKI SEMICONDUCTOR ML7223 IOH GbE"
+        tristate "Intel EG20T PCH/OKI SEMICONDUCTOR IOH(ML7223/ML7831) GbE"
         depends on PCI
         select MII
         ---help---
@@ -2548,10 +2548,11 @@ config PCH_GBE
           This driver enables Gigabit Ethernet function.
 
           This driver also can be used for OKI SEMICONDUCTOR IOH(Input/
-          Output Hub), ML7223.
-          ML7223 IOH is for MP(Media Phone) use.
-          ML7223 is companion chip for Intel Atom E6xx series.
-          ML7223 is completely compatible for Intel EG20T PCH.
+          Output Hub), ML7223/ML7831.
+          ML7223 IOH is for MP(Media Phone) use. ML7831 IOH is for general
+          purpose use.
+          ML7223/ML7831 is companion chip for Intel Atom E6xx series.
+          ML7223/ML7831 is completely compatible for Intel EG20T PCH.
 
 config FTGMAC100
         tristate "Faraday FTGMAC100 Gigabit Ethernet support"
diff --git a/drivers/net/arm/am79c961a.c b/drivers/net/arm/am79c961a.c
index 52fe21e1e2cd..3b1416e3d217 100644
--- a/drivers/net/arm/am79c961a.c
+++ b/drivers/net/arm/am79c961a.c
@@ -308,8 +308,11 @@ static void am79c961_timer(unsigned long data)
         struct net_device *dev = (struct net_device *)data;
         struct dev_priv *priv = netdev_priv(dev);
         unsigned int lnkstat, carrier;
+        unsigned long flags;
 
+        spin_lock_irqsave(&priv->chip_lock, flags);
         lnkstat = read_ireg(dev->base_addr, ISALED0) & ISALED0_LNKST;
+        spin_unlock_irqrestore(&priv->chip_lock, flags);
         carrier = netif_carrier_ok(dev);
 
         if (lnkstat && !carrier) {
diff --git a/drivers/net/bnx2x/bnx2x.h b/drivers/net/bnx2x/bnx2x.h
index c423504a755f..e46df5331c55 100644
--- a/drivers/net/bnx2x/bnx2x.h
+++ b/drivers/net/bnx2x/bnx2x.h
@@ -315,6 +315,14 @@ union db_prod {
         u32             raw;
 };
 
+/* dropless fc FW/HW related params */
+#define BRB_SIZE(bp)            (CHIP_IS_E3(bp) ? 1024 : 512)
+#define MAX_AGG_QS(bp)          (CHIP_IS_E1(bp) ? \
+                                        ETH_MAX_AGGREGATION_QUEUES_E1 :\
+                                        ETH_MAX_AGGREGATION_QUEUES_E1H_E2)
+#define FW_DROP_LEVEL(bp)       (3 + MAX_SPQ_PENDING + MAX_AGG_QS(bp))
+#define FW_PREFETCH_CNT         16
+#define DROPLESS_FC_HEADROOM    100
 
 /* MC hsi */
 #define BCM_PAGE_SHIFT          12
@@ -331,15 +339,35 @@ union db_prod {
 /* SGE ring related macros */
 #define NUM_RX_SGE_PAGES        2
 #define RX_SGE_CNT              (BCM_PAGE_SIZE / sizeof(struct eth_rx_sge))
-#define MAX_RX_SGE_CNT          (RX_SGE_CNT - 2)
+#define NEXT_PAGE_SGE_DESC_CNT  2
+#define MAX_RX_SGE_CNT          (RX_SGE_CNT - NEXT_PAGE_SGE_DESC_CNT)
 /* RX_SGE_CNT is promised to be a power of 2 */
 #define RX_SGE_MASK             (RX_SGE_CNT - 1)
 #define NUM_RX_SGE              (RX_SGE_CNT * NUM_RX_SGE_PAGES)
 #define MAX_RX_SGE              (NUM_RX_SGE - 1)
 #define NEXT_SGE_IDX(x)         ((((x) & RX_SGE_MASK) == \
-                                  (MAX_RX_SGE_CNT - 1)) ? (x) + 3 : (x) + 1)
+                                  (MAX_RX_SGE_CNT - 1)) ? \
+                                        (x) + 1 + NEXT_PAGE_SGE_DESC_CNT : \
+                                        (x) + 1)
 #define RX_SGE(x)               ((x) & MAX_RX_SGE)
 
+/*
+ * Number of required  SGEs is the sum of two:
+ * 1. Number of possible opened aggregations (next packet for
+ *    these aggregations will probably consume SGE immidiatelly)
+ * 2. Rest of BRB blocks divided by 2 (block will consume new SGE only
+ *    after placement on BD for new TPA aggregation)
+ *
+ * Takes into account NEXT_PAGE_SGE_DESC_CNT "next" elements on each page
+ */
+#define NUM_SGE_REQ             (MAX_AGG_QS(bp) + \
+                                        (BRB_SIZE(bp) - MAX_AGG_QS(bp)) / 2)
+#define NUM_SGE_PG_REQ          ((NUM_SGE_REQ + MAX_RX_SGE_CNT - 1) / \
+                                                MAX_RX_SGE_CNT)
+#define SGE_TH_LO(bp)           (NUM_SGE_REQ + \
+                                 NUM_SGE_PG_REQ * NEXT_PAGE_SGE_DESC_CNT)
+#define SGE_TH_HI(bp)           (SGE_TH_LO(bp) + DROPLESS_FC_HEADROOM)
+
 /* Manipulate a bit vector defined as an array of u64 */
 
 /* Number of bits in one sge_mask array element */
@@ -551,24 +579,43 @@ struct bnx2x_fastpath {
 
 #define NUM_TX_RINGS            16
 #define TX_DESC_CNT             (BCM_PAGE_SIZE / sizeof(union eth_tx_bd_types))
-#define MAX_TX_DESC_CNT         (TX_DESC_CNT - 1)
+#define NEXT_PAGE_TX_DESC_CNT   1
+#define MAX_TX_DESC_CNT         (TX_DESC_CNT - NEXT_PAGE_TX_DESC_CNT)
 #define NUM_TX_BD               (TX_DESC_CNT * NUM_TX_RINGS)
 #define MAX_TX_BD               (NUM_TX_BD - 1)
 #define MAX_TX_AVAIL            (MAX_TX_DESC_CNT * NUM_TX_RINGS - 2)
 #define NEXT_TX_IDX(x)          ((((x) & MAX_TX_DESC_CNT) == \
-                                  (MAX_TX_DESC_CNT - 1)) ? (x) + 2 : (x) + 1)
+                                  (MAX_TX_DESC_CNT - 1)) ? \
+                                        (x) + 1 + NEXT_PAGE_TX_DESC_CNT : \
+                                        (x) + 1)
 #define TX_BD(x)                ((x) & MAX_TX_BD)
 #define TX_BD_POFF(x)           ((x) & MAX_TX_DESC_CNT)
 
 /* The RX BD ring is special, each bd is 8 bytes but the last one is 16 */
 #define NUM_RX_RINGS            8
 #define RX_DESC_CNT             (BCM_PAGE_SIZE / sizeof(struct eth_rx_bd))
-#define MAX_RX_DESC_CNT         (RX_DESC_CNT - 2)
+#define NEXT_PAGE_RX_DESC_CNT   2
+#define MAX_RX_DESC_CNT         (RX_DESC_CNT - NEXT_PAGE_RX_DESC_CNT)
 #define RX_DESC_MASK            (RX_DESC_CNT - 1)
 #define NUM_RX_BD               (RX_DESC_CNT * NUM_RX_RINGS)
 #define MAX_RX_BD               (NUM_RX_BD - 1)
 #define MAX_RX_AVAIL            (MAX_RX_DESC_CNT * NUM_RX_RINGS - 2)
-#define MIN_RX_AVAIL            128
+
+/* dropless fc calculations for BDs
+ *
+ * Number of BDs should as number of buffers in BRB:
+ * Low threshold takes into account NEXT_PAGE_RX_DESC_CNT
+ * "next" elements on each page
+ */
+#define NUM_BD_REQ              BRB_SIZE(bp)
+#define NUM_BD_PG_REQ           ((NUM_BD_REQ + MAX_RX_DESC_CNT - 1) / \
+                                              MAX_RX_DESC_CNT)
+#define BD_TH_LO(bp)            (NUM_BD_REQ + \
+                                 NUM_BD_PG_REQ * NEXT_PAGE_RX_DESC_CNT + \
+                                 FW_DROP_LEVEL(bp))
+#define BD_TH_HI(bp)            (BD_TH_LO(bp) + DROPLESS_FC_HEADROOM)
+
+#define MIN_RX_AVAIL            ((bp)->dropless_fc ? BD_TH_HI(bp) + 128 : 128)
 
 #define MIN_RX_SIZE_TPA_HW      (CHIP_IS_E1(bp) ? \
                                         ETH_MIN_RX_CQES_WITH_TPA_E1 : \
@@ -579,7 +626,9 @@ struct bnx2x_fastpath {
                                                                 MIN_RX_AVAIL))
 
 #define NEXT_RX_IDX(x)          ((((x) & RX_DESC_MASK) == \
-                                  (MAX_RX_DESC_CNT - 1)) ? (x) + 3 : (x) + 1)
+                                  (MAX_RX_DESC_CNT - 1)) ? \
+                                        (x) + 1 + NEXT_PAGE_RX_DESC_CNT : \
+                                        (x) + 1)
 #define RX_BD(x)                ((x) & MAX_RX_BD)
 
 /*
@@ -589,14 +638,31 @@ struct bnx2x_fastpath {
 #define CQE_BD_REL      (sizeof(union eth_rx_cqe) / sizeof(struct eth_rx_bd))
 #define NUM_RCQ_RINGS           (NUM_RX_RINGS * CQE_BD_REL)
 #define RCQ_DESC_CNT            (BCM_PAGE_SIZE / sizeof(union eth_rx_cqe))
-#define MAX_RCQ_DESC_CNT        (RCQ_DESC_CNT - 1)
+#define NEXT_PAGE_RCQ_DESC_CNT  1
+#define MAX_RCQ_DESC_CNT        (RCQ_DESC_CNT - NEXT_PAGE_RCQ_DESC_CNT)
 #define NUM_RCQ_BD              (RCQ_DESC_CNT * NUM_RCQ_RINGS)
 #define MAX_RCQ_BD              (NUM_RCQ_BD - 1)
 #define MAX_RCQ_AVAIL           (MAX_RCQ_DESC_CNT * NUM_RCQ_RINGS - 2)
 #define NEXT_RCQ_IDX(x)         ((((x) & MAX_RCQ_DESC_CNT) == \
-                                  (MAX_RCQ_DESC_CNT - 1)) ? (x) + 2 : (x) + 1)
+                                  (MAX_RCQ_DESC_CNT - 1)) ? \
+                                        (x) + 1 + NEXT_PAGE_RCQ_DESC_CNT : \
+                                        (x) + 1)
 #define RCQ_BD(x)               ((x) & MAX_RCQ_BD)
 
+/* dropless fc calculations for RCQs
+ *
+ * Number of RCQs should be as number of buffers in BRB:
+ * Low threshold takes into account NEXT_PAGE_RCQ_DESC_CNT
+ * "next" elements on each page
+ */
+#define NUM_RCQ_REQ             BRB_SIZE(bp)
+#define NUM_RCQ_PG_REQ          ((NUM_BD_REQ + MAX_RCQ_DESC_CNT - 1) / \
+                                              MAX_RCQ_DESC_CNT)
+#define RCQ_TH_LO(bp)           (NUM_RCQ_REQ + \
+                                 NUM_RCQ_PG_REQ * NEXT_PAGE_RCQ_DESC_CNT + \
+                                 FW_DROP_LEVEL(bp))
+#define RCQ_TH_HI(bp)           (RCQ_TH_LO(bp) + DROPLESS_FC_HEADROOM)
+
 
 /* This is needed for determining of last_max */
 #define SUB_S16(a, b)           (s16)((s16)(a) - (s16)(b))
@@ -685,24 +751,17 @@ struct bnx2x_fastpath {
 #define FP_CSB_FUNC_OFF \
                         offsetof(struct cstorm_status_block_c, func)
 
-#define HC_INDEX_TOE_RX_CQ_CONS         0 /* Formerly Ustorm TOE CQ index */
-                                          /* (HC_INDEX_U_TOE_RX_CQ_CONS)  */
-#define HC_INDEX_ETH_RX_CQ_CONS         1 /* Formerly Ustorm ETH CQ index */
-                                          /* (HC_INDEX_U_ETH_RX_CQ_CONS)  */
-#define HC_INDEX_ETH_RX_BD_CONS         2 /* Formerly Ustorm ETH BD index */
-                                          /* (HC_INDEX_U_ETH_RX_BD_CONS)  */
-
-#define HC_INDEX_TOE_TX_CQ_CONS         4 /* Formerly Cstorm TOE CQ index   */
-                                          /* (HC_INDEX_C_TOE_TX_CQ_CONS)    */
-#define HC_INDEX_ETH_TX_CQ_CONS_COS0    5 /* Formerly Cstorm ETH CQ index   */
-                                          /* (HC_INDEX_C_ETH_TX_CQ_CONS)    */
-#define HC_INDEX_ETH_TX_CQ_CONS_COS1    6 /* Formerly Cstorm ETH CQ index   */
-                                          /* (HC_INDEX_C_ETH_TX_CQ_CONS)    */
-#define HC_INDEX_ETH_TX_CQ_CONS_COS2    7 /* Formerly Cstorm ETH CQ index   */
-                                          /* (HC_INDEX_C_ETH_TX_CQ_CONS)    */
+#define HC_INDEX_ETH_RX_CQ_CONS         1
 
-#define HC_INDEX_ETH_FIRST_TX_CQ_CONS   HC_INDEX_ETH_TX_CQ_CONS_COS0
+#define HC_INDEX_OOO_TX_CQ_CONS         4
 
+#define HC_INDEX_ETH_TX_CQ_CONS_COS0    5
+
+#define HC_INDEX_ETH_TX_CQ_CONS_COS1    6
+
+#define HC_INDEX_ETH_TX_CQ_CONS_COS2    7
+
+#define HC_INDEX_ETH_FIRST_TX_CQ_CONS   HC_INDEX_ETH_TX_CQ_CONS_COS0
 
 #define BNX2X_RX_SB_INDEX \
         (&fp->sb_index_values[HC_INDEX_ETH_RX_CQ_CONS])
@@ -1100,11 +1159,12 @@ struct bnx2x {
 #define BP_PORT(bp)                     (bp->pfid & 1)
 #define BP_FUNC(bp)                     (bp->pfid)
 #define BP_ABS_FUNC(bp)                 (bp->pf_num)
-#define BP_E1HVN(bp)                    (bp->pfid >> 1)
-#define BP_VN(bp)                       (BP_E1HVN(bp)) /*remove when approved*/
-#define BP_L_ID(bp)                     (BP_E1HVN(bp) << 2)
-#define BP_FW_MB_IDX(bp)                (BP_PORT(bp) +\
-          BP_VN(bp) * ((CHIP_IS_E1x(bp) || (CHIP_MODE_IS_4_PORT(bp))) ? 2  : 1))
+#define BP_VN(bp)                       ((bp)->pfid >> 1)
+#define BP_MAX_VN_NUM(bp)               (CHIP_MODE_IS_4_PORT(bp) ? 2 : 4)
+#define BP_L_ID(bp)                     (BP_VN(bp) << 2)
+#define BP_FW_MB_IDX_VN(bp, vn)         (BP_PORT(bp) +\
+          (vn) * ((CHIP_IS_E1x(bp) || (CHIP_MODE_IS_4_PORT(bp))) ? 2  : 1))
+#define BP_FW_MB_IDX(bp)                BP_FW_MB_IDX_VN(bp, BP_VN(bp))
 
         struct net_device       *dev;
         struct pci_dev          *pdev;
@@ -1767,7 +1827,7 @@ static inline u32 reg_poll(struct bnx2x *bp, u32 reg, u32 expected, int ms,
 
 #define MAX_DMAE_C_PER_PORT             8
 #define INIT_DMAE_C(bp)                 (BP_PORT(bp) * MAX_DMAE_C_PER_PORT + \
-                                         BP_E1HVN(bp))
+                                         BP_VN(bp))
 #define PMF_DMAE_C(bp)                  (BP_PORT(bp) * MAX_DMAE_C_PER_PORT + \
                                          E1HVN_MAX)
 
@@ -1793,7 +1853,7 @@ static inline u32 reg_poll(struct bnx2x *bp, u32 reg, u32 expected, int ms,
 
 /* must be used on a CID before placing it on a HW ring */
 #define HW_CID(bp, x)                   ((BP_PORT(bp) << 23) | \
-                                         (BP_E1HVN(bp) << BNX2X_SWCID_SHIFT) | \
+                                         (BP_VN(bp) << BNX2X_SWCID_SHIFT) | \
                                          (x))
 
 #define SP_DESC_CNT             (BCM_PAGE_SIZE / sizeof(struct eth_spe))
diff --git a/drivers/net/bnx2x/bnx2x_cmn.c b/drivers/net/bnx2x/bnx2x_cmn.c
index 37e5790681ad..c4cbf9736414 100644
--- a/drivers/net/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/bnx2x/bnx2x_cmn.c
@@ -987,8 +987,6 @@ void __bnx2x_link_report(struct bnx2x *bp)
 void bnx2x_init_rx_rings(struct bnx2x *bp)
 {
         int func = BP_FUNC(bp);
-        int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 :
-                                              ETH_MAX_AGGREGATION_QUEUES_E1H_E2;
         u16 ring_prod;
         int i, j;
 
@@ -1001,7 +999,7 @@ void bnx2x_init_rx_rings(struct bnx2x *bp)
 
                 if (!fp->disable_tpa) {
                         /* Fill the per-aggregtion pool */
-                        for (i = 0; i < max_agg_queues; i++) {
+                        for (i = 0; i < MAX_AGG_QS(bp); i++) {
                                 struct bnx2x_agg_info *tpa_info =
                                         &fp->tpa_info[i];
                                 struct sw_rx_bd *first_buf =
@@ -1041,7 +1039,7 @@ void bnx2x_init_rx_rings(struct bnx2x *bp)
                                         bnx2x_free_rx_sge_range(bp, fp,
                                                                 ring_prod);
                                         bnx2x_free_tpa_pool(bp, fp,
-                                                            max_agg_queues);
+                                                            MAX_AGG_QS(bp));
                                         fp->disable_tpa = 1;
                                         ring_prod = 0;
                                         break;
@@ -1137,9 +1135,7 @@ static void bnx2x_free_rx_skbs(struct bnx2x *bp)
                 bnx2x_free_rx_bds(fp);
 
                 if (!fp->disable_tpa)
-                        bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ?
-                                            ETH_MAX_AGGREGATION_QUEUES_E1 :
-                                            ETH_MAX_AGGREGATION_QUEUES_E1H_E2);
+                        bnx2x_free_tpa_pool(bp, fp, MAX_AGG_QS(bp));
         }
 }
 
@@ -3095,15 +3091,20 @@ static int bnx2x_alloc_fp_mem_at(struct bnx2x *bp, int index)
         struct bnx2x_fastpath *fp = &bp->fp[index];
         int ring_size = 0;
         u8 cos;
+        int rx_ring_size = 0;
 
         /* if rx_ring_size specified - use it */
-        int rx_ring_size = bp->rx_ring_size ? bp->rx_ring_size :
-                           MAX_RX_AVAIL/BNX2X_NUM_RX_QUEUES(bp);
+        if (!bp->rx_ring_size) {
 
-        /* allocate at least number of buffers required by FW */
-        rx_ring_size = max_t(int, bp->disable_tpa ? MIN_RX_SIZE_NONTPA :
-                                                    MIN_RX_SIZE_TPA,
-                                  rx_ring_size);
+                rx_ring_size = MAX_RX_AVAIL/BNX2X_NUM_RX_QUEUES(bp);
+
+                /* allocate at least number of buffers required by FW */
+                rx_ring_size = max_t(int, bp->disable_tpa ? MIN_RX_SIZE_NONTPA :
+                                     MIN_RX_SIZE_TPA, rx_ring_size);
+
+                bp->rx_ring_size = rx_ring_size;
+        } else
+                rx_ring_size = bp->rx_ring_size;
 
         /* Common */
         sb = &bnx2x_fp(bp, index, status_blk);
diff --git a/drivers/net/bnx2x/bnx2x_ethtool.c b/drivers/net/bnx2x/bnx2x_ethtool.c
index 221863059dae..cf3e47914dd7 100644
--- a/drivers/net/bnx2x/bnx2x_ethtool.c
+++ b/drivers/net/bnx2x/bnx2x_ethtool.c
@@ -363,13 +363,50 @@ static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
                 }
 
                 /* advertise the requested speed and duplex if supported */
-                cmd->advertising &= bp->port.supported[cfg_idx];
+                if (cmd->advertising & ~(bp->port.supported[cfg_idx])) {
+                        DP(NETIF_MSG_LINK, "Advertisement parameters "
+                                           "are not supported\n");
+                        return -EINVAL;
+                }
 
                 bp->link_params.req_line_speed[cfg_idx] = SPEED_AUTO_NEG;
-                bp->link_params.req_duplex[cfg_idx] = DUPLEX_FULL;
-                bp->port.advertising[cfg_idx] |= (ADVERTISED_Autoneg |
+                bp->link_params.req_duplex[cfg_idx] = cmd->duplex;
+                bp->port.advertising[cfg_idx] = (ADVERTISED_Autoneg |
                                          cmd->advertising);
+                if (cmd->advertising) {
+
+                        bp->link_params.speed_cap_mask[cfg_idx] = 0;
+                        if (cmd->advertising & ADVERTISED_10baseT_Half) {
+                                bp->link_params.speed_cap_mask[cfg_idx] |=
+                                PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF;
+                        }
+                        if (cmd->advertising & ADVERTISED_10baseT_Full)
+                                bp->link_params.speed_cap_mask[cfg_idx] |=
+                                PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL;
 
+                        if (cmd->advertising & ADVERTISED_100baseT_Full)
+                                bp->link_params.speed_cap_mask[cfg_idx] |=
+                                PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL;
+
+                        if (cmd->advertising & ADVERTISED_100baseT_Half) {
+                                bp->link_params.speed_cap_mask[cfg_idx] |=
+                                     PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF;
+                        }
+                        if (cmd->advertising & ADVERTISED_1000baseT_Half) {
+                                bp->link_params.speed_cap_mask[cfg_idx] |=
+                                        PORT_HW_CFG_SPEED_CAPABILITY_D0_1G;
+                        }
+                        if (cmd->advertising & (ADVERTISED_1000baseT_Full |
+                                                ADVERTISED_1000baseKX_Full))
+                                bp->link_params.speed_cap_mask[cfg_idx] |=
+                                        PORT_HW_CFG_SPEED_CAPABILITY_D0_1G;
+
+                        if (cmd->advertising & (ADVERTISED_10000baseT_Full |
+                                                ADVERTISED_10000baseKX4_Full |
+                                                ADVERTISED_10000baseKR_Full))
+                                bp->link_params.speed_cap_mask[cfg_idx] |=
+                                        PORT_HW_CFG_SPEED_CAPABILITY_D0_10G;
+                }
         } else { /* forced speed */
                 /* advertise the requested speed and duplex if supported */
                 switch (speed) {
@@ -1310,10 +1347,7 @@ static void bnx2x_get_ringparam(struct net_device *dev,
         if (bp->rx_ring_size)
                 ering->rx_pending = bp->rx_ring_size;
         else
-                if (bp->state == BNX2X_STATE_OPEN && bp->num_queues)
-                        ering->rx_pending = MAX_RX_AVAIL/bp->num_queues;
-                else
-                        ering->rx_pending = MAX_RX_AVAIL;
+                ering->rx_pending = MAX_RX_AVAIL;
 
         ering->rx_mini_pending = 0;
         ering->rx_jumbo_pending = 0;
diff --git a/drivers/net/bnx2x/bnx2x_link.c b/drivers/net/bnx2x/bnx2x_link.c
index d45b1555a602..ba15bdc5a1a9 100644
--- a/drivers/net/bnx2x/bnx2x_link.c
+++ b/drivers/net/bnx2x/bnx2x_link.c
@@ -778,9 +778,9 @@ static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
 {
         u32 nig_reg_adress_crd_weight = 0;
         u32 pbf_reg_adress_crd_weight = 0;
-        /* Calculate and set BW for this COS*/
-        const u32 cos_bw_nig = (bw * min_w_val_nig) / total_bw;
-        const u32 cos_bw_pbf = (bw * min_w_val_pbf) / total_bw;
+        /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
+        const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
+        const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
 
         switch (cos_entry) {
         case 0:
@@ -852,18 +852,12 @@ static int bnx2x_ets_e3b0_get_total_bw(
         /* Calculate total BW requested */
         for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
                 if (bnx2x_cos_state_bw == ets_params->cos[cos_idx].state) {
-
-                        if (0 == ets_params->cos[cos_idx].params.bw_params.bw) {
-                                DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
-                                                   "was set to 0\n");
-                        return -EINVAL;
+                        *total_bw +=
+                                ets_params->cos[cos_idx].params.bw_params.bw;
                 }
-                *total_bw +=
-                    ets_params->cos[cos_idx].params.bw_params.bw;
-            }
         }
 
-        /*Check taotl BW is valid */
+        /* Check total BW is valid */
         if ((100 != *total_bw) || (0 == *total_bw)) {
                 if (0 == *total_bw) {
                         DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config toatl BW"
@@ -1726,7 +1720,7 @@ static int bnx2x_xmac_enable(struct link_params *params,
 
         /* Check loopback mode */
         if (lb)
-                val |= XMAC_CTRL_REG_CORE_LOCAL_LPBK;
+                val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
         REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
         bnx2x_set_xumac_nig(params,
                             ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
@@ -3630,6 +3624,12 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
         bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
                          MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
 
+        /* Advertised and set FEC (Forward Error Correction) */
+        bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
+                         MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
+                         (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
+                          MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
+
         /* Enable CL37 BAM */
         if (REG_RD(bp, params->shmem_base +
                    offsetof(struct shmem_region, dev_info.
@@ -5924,7 +5924,7 @@ int bnx2x_set_led(struct link_params *params,
                                         (tmp | EMAC_LED_OVERRIDE));
                                 /*
                                  * return here without enabling traffic
-                                 * LED blink andsetting rate in ON mode.
+                                 * LED blink and setting rate in ON mode.
                                  * In oper mode, enabling LED blink
                                  * and setting rate is needed.
                                  */
@@ -5936,7 +5936,11 @@ int bnx2x_set_led(struct link_params *params,
                          * This is a work-around for HW issue found when link
                          * is up in CL73
                          */
-                        REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
+                        if ((!CHIP_IS_E3(bp)) ||
+                            (CHIP_IS_E3(bp) &&
+                             mode == LED_MODE_ON))
+                                REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
+
                         if (CHIP_IS_E1x(bp) ||
                             CHIP_IS_E2(bp) ||
                             (mode == LED_MODE_ON))
@@ -10638,8 +10642,7 @@ static struct bnx2x_phy phy_warpcore = {
         .type           = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
         .addr           = 0xff,
         .def_md_devad   = 0,
-        .flags          = (FLAGS_HW_LOCK_REQUIRED |
-                           FLAGS_TX_ERROR_CHECK),
+        .flags          = FLAGS_HW_LOCK_REQUIRED,
         .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
         .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
         .mdio_ctrl      = 0,
@@ -10765,8 +10768,7 @@ static struct bnx2x_phy phy_8706 = {
         .type           = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
         .addr           = 0xff,
         .def_md_devad   = 0,
-        .flags          = (FLAGS_INIT_XGXS_FIRST |
-                           FLAGS_TX_ERROR_CHECK),
+        .flags          = FLAGS_INIT_XGXS_FIRST,
         .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
         .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
         .mdio_ctrl      = 0,
@@ -10797,8 +10799,7 @@ static struct bnx2x_phy phy_8726 = {
         .addr           = 0xff,
         .def_md_devad   = 0,
         .flags          = (FLAGS_HW_LOCK_REQUIRED |
-                           FLAGS_INIT_XGXS_FIRST |
-                           FLAGS_TX_ERROR_CHECK),
+                           FLAGS_INIT_XGXS_FIRST),
         .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
         .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
         .mdio_ctrl      = 0,
@@ -10829,8 +10830,7 @@ static struct bnx2x_phy phy_8727 = {
         .type           = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
         .addr           = 0xff,
         .def_md_devad   = 0,
-        .flags          = (FLAGS_FAN_FAILURE_DET_REQ |
-                           FLAGS_TX_ERROR_CHECK),
+        .flags          = FLAGS_FAN_FAILURE_DET_REQ,
         .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
         .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
         .mdio_ctrl      = 0,
diff --git a/drivers/net/bnx2x/bnx2x_main.c b/drivers/net/bnx2x/bnx2x_main.c
index f74582a22c68..c027e9341a1a 100644
--- a/drivers/net/bnx2x/bnx2x_main.c
+++ b/drivers/net/bnx2x/bnx2x_main.c
@@ -407,8 +407,8 @@ u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
         opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
 
         opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
-        opcode |= ((BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT) |
-                   (BP_E1HVN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
+        opcode |= ((BP_VN(bp) << DMAE_CMD_E1HVN_SHIFT) |
+                   (BP_VN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
         opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
 
 #ifdef __BIG_ENDIAN
@@ -1419,7 +1419,7 @@ static void bnx2x_hc_int_enable(struct bnx2x *bp)
         if (!CHIP_IS_E1(bp)) {
                 /* init leading/trailing edge */
                 if (IS_MF(bp)) {
-                        val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
+                        val = (0xee0f | (1 << (BP_VN(bp) + 4)));
                         if (bp->port.pmf)
                                 /* enable nig and gpio3 attention */
                                 val |= 0x1100;
@@ -1471,7 +1471,7 @@ static void bnx2x_igu_int_enable(struct bnx2x *bp)
 
         /* init leading/trailing edge */
         if (IS_MF(bp)) {
-                val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
+                val = (0xee0f | (1 << (BP_VN(bp) + 4)));
                 if (bp->port.pmf)
                         /* enable nig and gpio3 attention */
                         val |= 0x1100;
@@ -2287,7 +2287,7 @@ static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
         int vn;
 
         bp->vn_weight_sum = 0;
-        for (vn = VN_0; vn < E1HVN_MAX; vn++) {
+        for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
                 u32 vn_cfg = bp->mf_config[vn];
                 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
                                    FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
@@ -2320,12 +2320,18 @@ static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
                                         CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
 }
 
+/* returns func by VN for current port */
+static inline int func_by_vn(struct bnx2x *bp, int vn)
+{
+        return 2 * vn + BP_PORT(bp);
+}
+
 static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
 {
         struct rate_shaping_vars_per_vn m_rs_vn;
         struct fairness_vars_per_vn m_fair_vn;
         u32 vn_cfg = bp->mf_config[vn];
-        int func = 2*vn + BP_PORT(bp);
+        int func = func_by_vn(bp, vn);
         u16 vn_min_rate, vn_max_rate;
         int i;
 
@@ -2422,7 +2428,7 @@ void bnx2x_read_mf_cfg(struct bnx2x *bp)
          *
          *      and there are 2 functions per port
          */
-        for (vn = VN_0; vn < E1HVN_MAX; vn++) {
+        for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
                 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
 
                 if (func >= E1H_FUNC_MAX)
@@ -2454,7 +2460,7 @@ static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
 
                 /* calculate and set min-max rate for each vn */
                 if (bp->port.pmf)
-                        for (vn = VN_0; vn < E1HVN_MAX; vn++)
+                        for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++)
                                 bnx2x_init_vn_minmax(bp, vn);
 
                 /* always enable rate shaping and fairness */
@@ -2473,16 +2479,15 @@ static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
 
 static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
 {
-        int port = BP_PORT(bp);
         int func;
         int vn;
 
         /* Set the attention towards other drivers on the same port */
-        for (vn = VN_0; vn < E1HVN_MAX; vn++) {
-                if (vn == BP_E1HVN(bp))
+        for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
+                if (vn == BP_VN(bp))
                         continue;
 
-                func = ((vn << 1) | port);
+                func = func_by_vn(bp, vn);
                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
                        (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
         }
@@ -2577,7 +2582,7 @@ static void bnx2x_pmf_update(struct bnx2x *bp)
         bnx2x_dcbx_pmf_update(bp);
 
         /* enable nig attention */
-        val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
+        val = (0xff0f | (1 << (BP_VN(bp) + 4)));
         if (bp->common.int_block == INT_BLOCK_HC) {
                 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
                 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
@@ -2756,8 +2761,14 @@ static void bnx2x_pf_rx_q_prep(struct bnx2x *bp,
         u16 tpa_agg_size = 0;
 
         if (!fp->disable_tpa) {
-                pause->sge_th_hi = 250;
-                pause->sge_th_lo = 150;
+                pause->sge_th_lo = SGE_TH_LO(bp);
+                pause->sge_th_hi = SGE_TH_HI(bp);
+
+                /* validate SGE ring has enough to cross high threshold */
+                WARN_ON(bp->dropless_fc &&
+                                pause->sge_th_hi + FW_PREFETCH_CNT >
+                                MAX_RX_SGE_CNT * NUM_RX_SGE_PAGES);
+
                 tpa_agg_size = min_t(u32,
                         (min_t(u32, 8, MAX_SKB_FRAGS) *
                         SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
@@ -2771,10 +2782,21 @@ static void bnx2x_pf_rx_q_prep(struct bnx2x *bp,
 
         /* pause - not for e1 */
         if (!CHIP_IS_E1(bp)) {
-                pause->bd_th_hi = 350;
-                pause->bd_th_lo = 250;
-                pause->rcq_th_hi = 350;
-                pause->rcq_th_lo = 250;
+                pause->bd_th_lo = BD_TH_LO(bp);
+                pause->bd_th_hi = BD_TH_HI(bp);
+
+                pause->rcq_th_lo = RCQ_TH_LO(bp);
+                pause->rcq_th_hi = RCQ_TH_HI(bp);
+                /*
+                 * validate that rings have enough entries to cross
+                 * high thresholds
+                 */
+                WARN_ON(bp->dropless_fc &&
+                                pause->bd_th_hi + FW_PREFETCH_CNT >
+                                bp->rx_ring_size);
+                WARN_ON(bp->dropless_fc &&
+                                pause->rcq_th_hi + FW_PREFETCH_CNT >
+                                NUM_RCQ_RINGS * MAX_RCQ_DESC_CNT);
 
                 pause->pri_map = 1;
         }
@@ -2802,9 +2824,7 @@ static void bnx2x_pf_rx_q_prep(struct bnx2x *bp,
          * For PF Clients it should be the maximum avaliable number.
          * VF driver(s) may want to define it to a smaller value.
          */
-        rxq_init->max_tpa_queues =
-                (CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 :
-                ETH_MAX_AGGREGATION_QUEUES_E1H_E2);
+        rxq_init->max_tpa_queues = MAX_AGG_QS(bp);
 
         rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
         rxq_init->fw_sb_id = fp->fw_sb_id;
@@ -4808,6 +4828,37 @@ void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
         hc_sm->time_to_expire = 0xFFFFFFFF;
 }
 
+
+/* allocates state machine ids. */
+static inline
+void bnx2x_map_sb_state_machines(struct hc_index_data *index_data)
+{
+        /* zero out state machine indices */
+        /* rx indices */
+        index_data[HC_INDEX_ETH_RX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
+
+        /* tx indices */
+        index_data[HC_INDEX_OOO_TX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
+        index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags &= ~HC_INDEX_DATA_SM_ID;
+        index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags &= ~HC_INDEX_DATA_SM_ID;
+        index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags &= ~HC_INDEX_DATA_SM_ID;
+
+        /* map indices */
+        /* rx indices */
+        index_data[HC_INDEX_ETH_RX_CQ_CONS].flags |=
+                SM_RX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
+
+        /* tx indices */
+        index_data[HC_INDEX_OOO_TX_CQ_CONS].flags |=
+                SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
+        index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags |=
+                SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
+        index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags |=
+                SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
+        index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags |=
+                SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
+}
+
 static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
                           u8 vf_valid, int fw_sb_id, int igu_sb_id)
 {
@@ -4839,6 +4890,7 @@ static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
                 hc_sm_p = sb_data_e2.common.state_machine;
                 sb_data_p = (u32 *)&sb_data_e2;
                 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
+                bnx2x_map_sb_state_machines(sb_data_e2.index_data);
         } else {
                 memset(&sb_data_e1x, 0,
                        sizeof(struct hc_status_block_data_e1x));
@@ -4853,6 +4905,7 @@ static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
                 hc_sm_p = sb_data_e1x.common.state_machine;
                 sb_data_p = (u32 *)&sb_data_e1x;
                 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
+                bnx2x_map_sb_state_machines(sb_data_e1x.index_data);
         }
 
         bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
@@ -5802,7 +5855,7 @@ static int bnx2x_init_hw_common(struct bnx2x *bp)
          * take the UNDI lock to protect undi_unload flow from accessing
          * registers while we're resetting the chip
          */
-        bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
+        bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
 
         bnx2x_reset_common(bp);
         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
@@ -5814,7 +5867,7 @@ static int bnx2x_init_hw_common(struct bnx2x *bp)
         }
         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, val);
 
-        bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
+        bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
 
         bnx2x_init_block(bp, BLOCK_MISC, PHASE_COMMON);
 
@@ -6671,12 +6724,16 @@ static int bnx2x_init_hw_func(struct bnx2x *bp)
                         if (CHIP_MODE_IS_4_PORT(bp))
                                 dsb_idx = BP_FUNC(bp);
                         else
-                                dsb_idx = BP_E1HVN(bp);
+                                dsb_idx = BP_VN(bp);
 
                         prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
                                        IGU_BC_BASE_DSB_PROD + dsb_idx :
                                        IGU_NORM_BASE_DSB_PROD + dsb_idx);
 
+                        /*
+                         * igu prods come in chunks of E1HVN_MAX (4) -
+                         * does not matters what is the current chip mode
+                         */
                         for (i = 0; i < (num_segs * E1HVN_MAX);
                              i += E1HVN_MAX) {
                                 addr = IGU_REG_PROD_CONS_MEMORY +
@@ -7570,7 +7627,7 @@ u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode)
                 u32 val;
                 /* The mac address is written to entries 1-4 to
                    preserve entry 0 which is used by the PMF */
-                u8 entry = (BP_E1HVN(bp) + 1)*8;
+                u8 entry = (BP_VN(bp) + 1)*8;
 
                 val = (mac_addr[0] << 8) | mac_addr[1];
                 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
@@ -8546,10 +8603,12 @@ static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
         /* Check if there is any driver already loaded */
         val = REG_RD(bp, MISC_REG_UNPREPARED);
         if (val == 0x1) {
-                /* Check if it is the UNDI driver
+
+                bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
+                /*
+                 * Check if it is the UNDI driver
                  * UNDI driver initializes CID offset for normal bell to 0x7
                  */
-                bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
                 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
                 if (val == 0x7) {
                         u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
@@ -8587,9 +8646,6 @@ static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
                                 bnx2x_fw_command(bp, reset_code, 0);
                         }
 
-                        /* now it's safe to release the lock */
-                        bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
-
                         bnx2x_undi_int_disable(bp);
                         port = BP_PORT(bp);
 
@@ -8639,8 +8695,10 @@ static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
                         bp->fw_seq =
                               (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
                                 DRV_MSG_SEQ_NUMBER_MASK);
-                } else
-                        bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
+                }
+
+                /* now it's safe to release the lock */
+                bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
         }
 }
 
@@ -8777,13 +8835,13 @@ static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
 static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
 {
         int pfid = BP_FUNC(bp);
-        int vn = BP_E1HVN(bp);
         int igu_sb_id;
         u32 val;
         u8 fid, igu_sb_cnt = 0;
 
         bp->igu_base_sb = 0xff;
         if (CHIP_INT_MODE_IS_BC(bp)) {
+                int vn = BP_VN(bp);
                 igu_sb_cnt = bp->igu_sb_cnt;
                 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
                         FP_SB_MAX_E1x;
@@ -9416,6 +9474,10 @@ static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
                 bp->igu_base_sb = 0;
         } else {
                 bp->common.int_block = INT_BLOCK_IGU;
+
+                /* do not allow device reset during IGU info preocessing */
+                bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
+
                 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
 
                 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
@@ -9447,6 +9509,7 @@ static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
 
                 bnx2x_get_igu_cam_info(bp);
 
+                bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
         }
 
         /*
@@ -9473,7 +9536,7 @@ static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
 
         bp->mf_ov = 0;
         bp->mf_mode = 0;
-        vn = BP_E1HVN(bp);
+        vn = BP_VN(bp);
 
         if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
                 BNX2X_DEV_INFO("shmem2base 0x%x, size %d, mfcfg offset %d\n",
@@ -9593,13 +9656,6 @@ static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
         /* port info */
         bnx2x_get_port_hwinfo(bp);
 
-        if (!BP_NOMCP(bp)) {
-                bp->fw_seq =
-                        (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
-                         DRV_MSG_SEQ_NUMBER_MASK);
-                BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
-        }
-
         /* Get MAC addresses */
         bnx2x_get_mac_hwinfo(bp);
 
@@ -9765,6 +9821,14 @@ static int __devinit bnx2x_init_bp(struct bnx2x *bp)
         if (!BP_NOMCP(bp))
                 bnx2x_undi_unload(bp);
 
+        /* init fw_seq after undi_unload! */
+        if (!BP_NOMCP(bp)) {
+                bp->fw_seq =
+                        (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
+                         DRV_MSG_SEQ_NUMBER_MASK);
+                BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
+        }
+
         if (CHIP_REV_IS_FPGA(bp))
                 dev_err(&bp->pdev->dev, "FPGA detected\n");
 
@@ -10259,17 +10323,21 @@ static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
         /* clean indirect addresses */
         pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
                                PCICFG_VENDOR_ID_OFFSET);
-        /* Clean the following indirect addresses for all functions since it
+        /*
+         * Clean the following indirect addresses for all functions since it
          * is not used by the driver.
          */
         REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0, 0);
         REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0, 0);
         REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0, 0);
         REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0, 0);
-        REG_WR(bp, PXP2_REG_PGL_ADDR_88_F1, 0);
-        REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F1, 0);
-        REG_WR(bp, PXP2_REG_PGL_ADDR_90_F1, 0);
-        REG_WR(bp, PXP2_REG_PGL_ADDR_94_F1, 0);
+
+        if (CHIP_IS_E1x(bp)) {
+                REG_WR(bp, PXP2_REG_PGL_ADDR_88_F1, 0);
+                REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F1, 0);
+                REG_WR(bp, PXP2_REG_PGL_ADDR_90_F1, 0);
+                REG_WR(bp, PXP2_REG_PGL_ADDR_94_F1, 0);
+        }
 
         /*
          * Enable internal target-read (in case we are probed after PF FLR).
diff --git a/drivers/net/bnx2x/bnx2x_reg.h b/drivers/net/bnx2x/bnx2x_reg.h
index 40266c14e6dc..750e8445dac4 100644
--- a/drivers/net/bnx2x/bnx2x_reg.h
+++ b/drivers/net/bnx2x/bnx2x_reg.h
@@ -5320,7 +5320,7 @@
 #define XCM_REG_XX_OVFL_EVNT_ID                                  0x20058
 #define XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS    (0x1<<0)
 #define XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS   (0x1<<1)
-#define XMAC_CTRL_REG_CORE_LOCAL_LPBK                            (0x1<<3)
+#define XMAC_CTRL_REG_LINE_LOCAL_LPBK                            (0x1<<2)
 #define XMAC_CTRL_REG_RX_EN                                      (0x1<<1)
 #define XMAC_CTRL_REG_SOFT_RESET                                 (0x1<<6)
 #define XMAC_CTRL_REG_TX_EN                                      (0x1<<0)
@@ -5766,7 +5766,7 @@
 #define HW_LOCK_RESOURCE_RECOVERY_LEADER_0                       8
 #define HW_LOCK_RESOURCE_RECOVERY_LEADER_1                       9
 #define HW_LOCK_RESOURCE_SPIO                                    2
-#define HW_LOCK_RESOURCE_UNDI                                    5
+#define HW_LOCK_RESOURCE_RESET                                   5
 #define AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT                    (0x1<<4)
 #define AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR                    (0x1<<5)
 #define AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR                    (0x1<<18)
@@ -6853,6 +6853,9 @@ Theotherbitsarereservedandshouldbezero*/
 #define MDIO_WC_REG_IEEE0BLK_AUTONEGNP                  0x7
 #define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT0       0x10
 #define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1       0x11
+#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2       0x12
+#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY     0x4000
+#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ         0x8000
 #define MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150  0x96
 #define MDIO_WC_REG_XGXSBLK0_XGXSCONTROL                0x8000
 #define MDIO_WC_REG_XGXSBLK0_MISCCONTROL1               0x800e
diff --git a/drivers/net/bnx2x/bnx2x_stats.c b/drivers/net/bnx2x/bnx2x_stats.c
index 771f6803b238..9908f2bbcf73 100644
--- a/drivers/net/bnx2x/bnx2x_stats.c
+++ b/drivers/net/bnx2x/bnx2x_stats.c
@@ -710,7 +710,8 @@ static int bnx2x_hw_stats_update(struct bnx2x *bp)
                 break;
 
         case MAC_TYPE_NONE: /* unreached */
-                BNX2X_ERR("stats updated by DMAE but no MAC active\n");
+                DP(BNX2X_MSG_STATS,
+                   "stats updated by DMAE but no MAC active\n");
                 return -1;
 
         default: /* unreached */
@@ -1391,7 +1392,7 @@ static void bnx2x_port_stats_base_init(struct bnx2x *bp)
 
 static void bnx2x_func_stats_base_init(struct bnx2x *bp)
 {
-        int vn, vn_max = IS_MF(bp) ? E1HVN_MAX : E1VN_MAX;
+        int vn, vn_max = IS_MF(bp) ? BP_MAX_VN_NUM(bp) : E1VN_MAX;
         u32 func_stx;
 
         /* sanity */
@@ -1404,7 +1405,7 @@ static void bnx2x_func_stats_base_init(struct bnx2x *bp)
         func_stx = bp->func_stx;
 
         for (vn = VN_0; vn < vn_max; vn++) {
-                int mb_idx = CHIP_IS_E1x(bp) ? 2*vn + BP_PORT(bp) : vn;
+                int mb_idx = BP_FW_MB_IDX_VN(bp, vn);
 
                 bp->func_stx = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_param);
                 bnx2x_func_stats_init(bp);
diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c
index a81249246ece..2adc294f512a 100644
--- a/drivers/net/can/ti_hecc.c
+++ b/drivers/net/can/ti_hecc.c
@@ -46,6 +46,7 @@
 #include <linux/skbuff.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
+#include <linux/io.h>
 
 #include <linux/can/dev.h>
 #include <linux/can/error.h>
diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c
index 8545c7aa93eb..a5a89ecb6f36 100644
--- a/drivers/net/e1000/e1000_hw.c
+++ b/drivers/net/e1000/e1000_hw.c
@@ -4026,6 +4026,12 @@ s32 e1000_validate_eeprom_checksum(struct e1000_hw *hw)
                 checksum += eeprom_data;
         }
 
+#ifdef CONFIG_PARISC
+        /* This is a signature and not a checksum on HP c8000 */
+        if ((hw->subsystem_vendor_id == 0x103C) && (eeprom_data == 0x16d6))
+                return E1000_SUCCESS;
+
+#endif
         if (checksum == (u16) EEPROM_SUM)
                 return E1000_SUCCESS;
         else {
diff --git a/drivers/net/ibmveth.c b/drivers/net/ibmveth.c
index 3e6679269400..8dd5fccef725 100644
--- a/drivers/net/ibmveth.c
+++ b/drivers/net/ibmveth.c
@@ -757,7 +757,7 @@ static int ibmveth_set_csum_offload(struct net_device *dev, u32 data)
         struct ibmveth_adapter *adapter = netdev_priv(dev);
         unsigned long set_attr, clr_attr, ret_attr;
         unsigned long set_attr6, clr_attr6;
-        long ret, ret6;
+        long ret, ret4, ret6;
         int rc1 = 0, rc2 = 0;
         int restart = 0;
 
@@ -770,6 +770,8 @@ static int ibmveth_set_csum_offload(struct net_device *dev, u32 data)
 
         set_attr = 0;
         clr_attr = 0;
+        set_attr6 = 0;
+        clr_attr6 = 0;
 
         if (data) {
                 set_attr = IBMVETH_ILLAN_IPV4_TCP_CSUM;
@@ -784,16 +786,20 @@ static int ibmveth_set_csum_offload(struct net_device *dev, u32 data)
         if (ret == H_SUCCESS && !(ret_attr & IBMVETH_ILLAN_ACTIVE_TRUNK) &&
             !(ret_attr & IBMVETH_ILLAN_TRUNK_PRI_MASK) &&
             (ret_attr & IBMVETH_ILLAN_PADDED_PKT_CSUM)) {
-                ret = h_illan_attributes(adapter->vdev->unit_address, clr_attr,
+                ret4 = h_illan_attributes(adapter->vdev->unit_address, clr_attr,
                                          set_attr, &ret_attr);
 
-                if (ret != H_SUCCESS) {
+                if (ret4 != H_SUCCESS) {
                         netdev_err(dev, "unable to change IPv4 checksum "
                                         "offload settings. %d rc=%ld\n",
-                                        data, ret);
+                                        data, ret4);
+
+                        h_illan_attributes(adapter->vdev->unit_address,
+                                           set_attr, clr_attr, &ret_attr);
+
+                        if (data == 1)
+                                dev->features &= ~NETIF_F_IP_CSUM;
 
-                        ret = h_illan_attributes(adapter->vdev->unit_address,
-                                                 set_attr, clr_attr, &ret_attr);
                 } else {
                         adapter->fw_ipv4_csum_support = data;
                 }
@@ -804,15 +810,18 @@ static int ibmveth_set_csum_offload(struct net_device *dev, u32 data)
                 if (ret6 != H_SUCCESS) {
                         netdev_err(dev, "unable to change IPv6 checksum "
                                         "offload settings. %d rc=%ld\n",
-                                        data, ret);
+                                        data, ret6);
+
+                        h_illan_attributes(adapter->vdev->unit_address,
+                                           set_attr6, clr_attr6, &ret_attr);
+
+                        if (data == 1)
+                                dev->features &= ~NETIF_F_IPV6_CSUM;
 
-                        ret = h_illan_attributes(adapter->vdev->unit_address,
-                                                 set_attr6, clr_attr6,
-                                                 &ret_attr);
                 } else
                         adapter->fw_ipv6_csum_support = data;
 
-                if (ret != H_SUCCESS || ret6 != H_SUCCESS)
+                if (ret4 == H_SUCCESS || ret6 == H_SUCCESS)
                         adapter->rx_csum = data;
                 else
                         rc1 = -EIO;
@@ -930,6 +939,7 @@ static netdev_tx_t ibmveth_start_xmit(struct sk_buff *skb,
         union ibmveth_buf_desc descs[6];
         int last, i;
         int force_bounce = 0;
+        dma_addr_t dma_addr;
 
         /*
          * veth handles a maximum of 6 segments including the header, so
@@ -994,17 +1004,16 @@ retry_bounce:
         }
 
         /* Map the header */
-        descs[0].fields.address = dma_map_single(&adapter->vdev->dev, skb->data,
-                                                 skb_headlen(skb),
-                                                 DMA_TO_DEVICE);
-        if (dma_mapping_error(&adapter->vdev->dev, descs[0].fields.address))
+        dma_addr = dma_map_single(&adapter->vdev->dev, skb->data,
+                                  skb_headlen(skb), DMA_TO_DEVICE);
+        if (dma_mapping_error(&adapter->vdev->dev, dma_addr))
                 goto map_failed;
 
         descs[0].fields.flags_len = desc_flags | skb_headlen(skb);
+        descs[0].fields.address = dma_addr;
 
         /* Map the frags */
         for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
-                unsigned long dma_addr;
                 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
 
                 dma_addr = dma_map_page(&adapter->vdev->dev, frag->page,
@@ -1026,7 +1035,12 @@ retry_bounce:
                 netdev->stats.tx_bytes += skb->len;
         }
 
-        for (i = 0; i < skb_shinfo(skb)->nr_frags + 1; i++)
+        dma_unmap_single(&adapter->vdev->dev,
+                         descs[0].fields.address,
+                         descs[0].fields.flags_len & IBMVETH_BUF_LEN_MASK,
+                         DMA_TO_DEVICE);
+
+        for (i = 1; i < skb_shinfo(skb)->nr_frags + 1; i++)
                 dma_unmap_page(&adapter->vdev->dev, descs[i].fields.address,
                                descs[i].fields.flags_len & IBMVETH_BUF_LEN_MASK,
                                DMA_TO_DEVICE);
diff --git a/drivers/net/pch_gbe/pch_gbe.h b/drivers/net/pch_gbe/pch_gbe.h
index 59fac77d0dbb..a09a07197eb5 100644
--- a/drivers/net/pch_gbe/pch_gbe.h
+++ b/drivers/net/pch_gbe/pch_gbe.h
@@ -127,8 +127,8 @@ struct pch_gbe_regs {
 
 /* Reset */
 #define PCH_GBE_ALL_RST         0x80000000  /* All reset */
-#define PCH_GBE_TX_RST          0x40000000  /* TX MAC, TX FIFO, TX DMA reset */
-#define PCH_GBE_RX_RST          0x04000000  /* RX MAC, RX FIFO, RX DMA reset */
+#define PCH_GBE_TX_RST          0x00008000  /* TX MAC, TX FIFO, TX DMA reset */
+#define PCH_GBE_RX_RST          0x00004000  /* RX MAC, RX FIFO, RX DMA reset */
 
 /* TCP/IP Accelerator Control */
 #define PCH_GBE_EX_LIST_EN      0x00000008  /* External List Enable */
@@ -276,6 +276,9 @@ struct pch_gbe_regs {
 #define PCH_GBE_RX_DMA_EN       0x00000002   /* Enables Receive DMA */
 #define PCH_GBE_TX_DMA_EN       0x00000001   /* Enables Transmission DMA */
 
+/* RX DMA STATUS */
+#define PCH_GBE_IDLE_CHECK       0xFFFFFFFE
+
 /* Wake On LAN Status */
 #define PCH_GBE_WLS_BR          0x00000008 /* Broadcas Address */
 #define PCH_GBE_WLS_MLT         0x00000004 /* Multicast Address */
@@ -471,6 +474,7 @@ struct pch_gbe_tx_desc {
 struct pch_gbe_buffer {
         struct sk_buff *skb;
         dma_addr_t dma;
+        unsigned char *rx_buffer;
         unsigned long time_stamp;
         u16 length;
         bool mapped;
@@ -511,6 +515,9 @@ struct pch_gbe_tx_ring {
 struct pch_gbe_rx_ring {
         struct pch_gbe_rx_desc *desc;
         dma_addr_t dma;
+        unsigned char *rx_buff_pool;
+        dma_addr_t rx_buff_pool_logic;
+        unsigned int rx_buff_pool_size;
         unsigned int size;
         unsigned int count;
         unsigned int next_to_use;
@@ -622,6 +629,7 @@ struct pch_gbe_adapter {
         unsigned long rx_buffer_len;
         unsigned long tx_queue_len;
         bool have_msi;
+        bool rx_stop_flag;
 };
 
 extern const char pch_driver_version[];
diff --git a/drivers/net/pch_gbe/pch_gbe_main.c b/drivers/net/pch_gbe/pch_gbe_main.c
index eac3c5ca9731..567ff10889be 100644
--- a/drivers/net/pch_gbe/pch_gbe_main.c
+++ b/drivers/net/pch_gbe/pch_gbe_main.c
@@ -20,7 +20,6 @@
 
 #include "pch_gbe.h"
 #include "pch_gbe_api.h"
-#include <linux/prefetch.h>
 
 #define DRV_VERSION     "1.00"
 const char pch_driver_version[] = DRV_VERSION;
@@ -34,11 +33,15 @@ const char pch_driver_version[] = DRV_VERSION;
 #define PCH_GBE_WATCHDOG_PERIOD         (1 * HZ)        /* watchdog time */
 #define PCH_GBE_COPYBREAK_DEFAULT       256
 #define PCH_GBE_PCI_BAR                 1
+#define PCH_GBE_RESERVE_MEMORY          0x200000        /* 2MB */
 
 /* Macros for ML7223 */
 #define PCI_VENDOR_ID_ROHM                      0x10db
 #define PCI_DEVICE_ID_ROHM_ML7223_GBE           0x8013
 
+/* Macros for ML7831 */
+#define PCI_DEVICE_ID_ROHM_ML7831_GBE           0x8802
+
 #define PCH_GBE_TX_WEIGHT         64
 #define PCH_GBE_RX_WEIGHT         64
 #define PCH_GBE_RX_BUFFER_WRITE   16
@@ -52,6 +55,7 @@ const char pch_driver_version[] = DRV_VERSION;
         )
 
 /* Ethertype field values */
+#define PCH_GBE_MAX_RX_BUFFER_SIZE      0x2880
 #define PCH_GBE_MAX_JUMBO_FRAME_SIZE    10318
 #define PCH_GBE_FRAME_SIZE_2048         2048
 #define PCH_GBE_FRAME_SIZE_4096         4096
@@ -83,10 +87,12 @@ const char pch_driver_version[] = DRV_VERSION;
 #define PCH_GBE_INT_ENABLE_MASK ( \
         PCH_GBE_INT_RX_DMA_CMPLT |    \
         PCH_GBE_INT_RX_DSC_EMP   |    \
+        PCH_GBE_INT_RX_FIFO_ERR  |    \
         PCH_GBE_INT_WOL_DET      |    \
         PCH_GBE_INT_TX_CMPLT          \
         )
 
+#define PCH_GBE_INT_DISABLE_ALL         0
 
 static unsigned int copybreak __read_mostly = PCH_GBE_COPYBREAK_DEFAULT;
 
@@ -138,6 +144,27 @@ static void pch_gbe_wait_clr_bit(void *reg, u32 bit)
         if (!tmp)
                 pr_err("Error: busy bit is not cleared\n");
 }
+
+/**
+ * pch_gbe_wait_clr_bit_irq - Wait to clear a bit for interrupt context
+ * @reg:        Pointer of register
+ * @busy:       Busy bit
+ */
+static int pch_gbe_wait_clr_bit_irq(void *reg, u32 bit)
+{
+        u32 tmp;
+        int ret = -1;
+        /* wait busy */
+        tmp = 20;
+        while ((ioread32(reg) & bit) && --tmp)
+                udelay(5);
+        if (!tmp)
+                pr_err("Error: busy bit is not cleared\n");
+        else
+                ret = 0;
+        return ret;
+}
+
 /**
  * pch_gbe_mac_mar_set - Set MAC address register
  * @hw:     Pointer to the HW structure
@@ -189,6 +216,17 @@ static void pch_gbe_mac_reset_hw(struct pch_gbe_hw *hw)
         return;
 }
 
+static void pch_gbe_mac_reset_rx(struct pch_gbe_hw *hw)
+{
+        /* Read the MAC address. and store to the private data */
+        pch_gbe_mac_read_mac_addr(hw);
+        iowrite32(PCH_GBE_RX_RST, &hw->reg->RESET);
+        pch_gbe_wait_clr_bit_irq(&hw->reg->RESET, PCH_GBE_RX_RST);
+        /* Setup the MAC address */
+        pch_gbe_mac_mar_set(hw, hw->mac.addr, 0);
+        return;
+}
+
 /**
  * pch_gbe_mac_init_rx_addrs - Initialize receive address's
  * @hw: Pointer to the HW structure
@@ -671,13 +709,8 @@ static void pch_gbe_setup_rctl(struct pch_gbe_adapter *adapter)
 
         tcpip = ioread32(&hw->reg->TCPIP_ACC);
 
-        if (netdev->features & NETIF_F_RXCSUM) {
-                tcpip &= ~PCH_GBE_RX_TCPIPACC_OFF;
-                tcpip |= PCH_GBE_RX_TCPIPACC_EN;
-        } else {
-                tcpip |= PCH_GBE_RX_TCPIPACC_OFF;
-                tcpip &= ~PCH_GBE_RX_TCPIPACC_EN;
-        }
+        tcpip |= PCH_GBE_RX_TCPIPACC_OFF;
+        tcpip &= ~PCH_GBE_RX_TCPIPACC_EN;
         iowrite32(tcpip, &hw->reg->TCPIP_ACC);
         return;
 }
@@ -717,13 +750,6 @@ static void pch_gbe_configure_rx(struct pch_gbe_adapter *adapter)
         iowrite32(rdba, &hw->reg->RX_DSC_BASE);
         iowrite32(rdlen, &hw->reg->RX_DSC_SIZE);
         iowrite32((rdba + rdlen), &hw->reg->RX_DSC_SW_P);
-
-        /* Enables Receive DMA */
-        rxdma = ioread32(&hw->reg->DMA_CTRL);
-        rxdma |= PCH_GBE_RX_DMA_EN;
-        iowrite32(rxdma, &hw->reg->DMA_CTRL);
-        /* Enables Receive */
-        iowrite32(PCH_GBE_MRE_MAC_RX_EN, &hw->reg->MAC_RX_EN);
 }
 
 /**
@@ -1097,6 +1123,48 @@ void pch_gbe_update_stats(struct pch_gbe_adapter *adapter)
         spin_unlock_irqrestore(&adapter->stats_lock, flags);
 }
 
+static void pch_gbe_stop_receive(struct pch_gbe_adapter *adapter)
+{
+        struct pch_gbe_hw *hw = &adapter->hw;
+        u32 rxdma;
+        u16 value;
+        int ret;
+
+        /* Disable Receive DMA */
+        rxdma = ioread32(&hw->reg->DMA_CTRL);
+        rxdma &= ~PCH_GBE_RX_DMA_EN;
+        iowrite32(rxdma, &hw->reg->DMA_CTRL);
+        /* Wait Rx DMA BUS is IDLE */
+        ret = pch_gbe_wait_clr_bit_irq(&hw->reg->RX_DMA_ST, PCH_GBE_IDLE_CHECK);
+        if (ret) {
+                /* Disable Bus master */
+                pci_read_config_word(adapter->pdev, PCI_COMMAND, &value);
+                value &= ~PCI_COMMAND_MASTER;
+                pci_write_config_word(adapter->pdev, PCI_COMMAND, value);
+                /* Stop Receive */
+                pch_gbe_mac_reset_rx(hw);
+                /* Enable Bus master */
+                value |= PCI_COMMAND_MASTER;
+                pci_write_config_word(adapter->pdev, PCI_COMMAND, value);
+        } else {
+                /* Stop Receive */
+                pch_gbe_mac_reset_rx(hw);
+        }
+}
+
+static void pch_gbe_start_receive(struct pch_gbe_hw *hw)
+{
+        u32 rxdma;
+
+        /* Enables Receive DMA */
+        rxdma = ioread32(&hw->reg->DMA_CTRL);
+        rxdma |= PCH_GBE_RX_DMA_EN;
+        iowrite32(rxdma, &hw->reg->DMA_CTRL);
+        /* Enables Receive */
+        iowrite32(PCH_GBE_MRE_MAC_RX_EN, &hw->reg->MAC_RX_EN);
+        return;
+}
+
 /**
  * pch_gbe_intr - Interrupt Handler
  * @irq:   Interrupt number
@@ -1123,7 +1191,15 @@ static irqreturn_t pch_gbe_intr(int irq, void *data)
         if (int_st & PCH_GBE_INT_RX_FRAME_ERR)
                 adapter->stats.intr_rx_frame_err_count++;
         if (int_st & PCH_GBE_INT_RX_FIFO_ERR)
-                adapter->stats.intr_rx_fifo_err_count++;
+                if (!adapter->rx_stop_flag) {
+                        adapter->stats.intr_rx_fifo_err_count++;
+                        pr_debug("Rx fifo over run\n");
+                        adapter->rx_stop_flag = true;
+                        int_en = ioread32(&hw->reg->INT_EN);
+                        iowrite32((int_en & ~PCH_GBE_INT_RX_FIFO_ERR),
+                                  &hw->reg->INT_EN);
+                        pch_gbe_stop_receive(adapter);
+                }
         if (int_st & PCH_GBE_INT_RX_DMA_ERR)
                 adapter->stats.intr_rx_dma_err_count++;
         if (int_st & PCH_GBE_INT_TX_FIFO_ERR)
@@ -1135,7 +1211,7 @@ static irqreturn_t pch_gbe_intr(int irq, void *data)
         /* When Rx descriptor is empty  */
         if ((int_st & PCH_GBE_INT_RX_DSC_EMP)) {
                 adapter->stats.intr_rx_dsc_empty_count++;
-                pr_err("Rx descriptor is empty\n");
+                pr_debug("Rx descriptor is empty\n");
                 int_en = ioread32(&hw->reg->INT_EN);
                 iowrite32((int_en & ~PCH_GBE_INT_RX_DSC_EMP), &hw->reg->INT_EN);
                 if (hw->mac.tx_fc_enable) {
@@ -1185,29 +1261,23 @@ pch_gbe_alloc_rx_buffers(struct pch_gbe_adapter *adapter,
         unsigned int i;
         unsigned int bufsz;
 
-        bufsz = adapter->rx_buffer_len + PCH_GBE_DMA_ALIGN;
+        bufsz = adapter->rx_buffer_len + NET_IP_ALIGN;
         i = rx_ring->next_to_use;
 
         while ((cleaned_count--)) {
                 buffer_info = &rx_ring->buffer_info[i];
-                skb = buffer_info->skb;
-                if (skb) {
-                        skb_trim(skb, 0);
-                } else {
-                        skb = netdev_alloc_skb(netdev, bufsz);
-                        if (unlikely(!skb)) {
-                                /* Better luck next round */
-                                adapter->stats.rx_alloc_buff_failed++;
-                                break;
-                        }
-                        /* 64byte align */
-                        skb_reserve(skb, PCH_GBE_DMA_ALIGN);
-
-                        buffer_info->skb = skb;
-                        buffer_info->length = adapter->rx_buffer_len;
+                skb = netdev_alloc_skb(netdev, bufsz);
+                if (unlikely(!skb)) {
+                        /* Better luck next round */
+                        adapter->stats.rx_alloc_buff_failed++;
+                        break;
                 }
+                /* align */
+                skb_reserve(skb, NET_IP_ALIGN);
+                buffer_info->skb = skb;
+
                 buffer_info->dma = dma_map_single(&pdev->dev,
-                                                  skb->data,
+                                                  buffer_info->rx_buffer,
                                                   buffer_info->length,
                                                   DMA_FROM_DEVICE);
                 if (dma_mapping_error(&adapter->pdev->dev, buffer_info->dma)) {
@@ -1240,6 +1310,36 @@ pch_gbe_alloc_rx_buffers(struct pch_gbe_adapter *adapter,
         return;
 }
 
+static int
+pch_gbe_alloc_rx_buffers_pool(struct pch_gbe_adapter *adapter,
+                         struct pch_gbe_rx_ring *rx_ring, int cleaned_count)
+{
+        struct pci_dev *pdev = adapter->pdev;
+        struct pch_gbe_buffer *buffer_info;
+        unsigned int i;
+        unsigned int bufsz;
+        unsigned int size;
+
+        bufsz = adapter->rx_buffer_len;
+
+        size = rx_ring->count * bufsz + PCH_GBE_RESERVE_MEMORY;
+        rx_ring->rx_buff_pool = dma_alloc_coherent(&pdev->dev, size,
+                                                &rx_ring->rx_buff_pool_logic,
+                                                GFP_KERNEL);
+        if (!rx_ring->rx_buff_pool) {
+                pr_err("Unable to allocate memory for the receive poll buffer\n");
+                return -ENOMEM;
+        }
+        memset(rx_ring->rx_buff_pool, 0, size);
+        rx_ring->rx_buff_pool_size = size;
+        for (i = 0; i < rx_ring->count; i++) {
+                buffer_info = &rx_ring->buffer_info[i];
+                buffer_info->rx_buffer = rx_ring->rx_buff_pool + bufsz * i;
+                buffer_info->length = bufsz;
+        }
+        return 0;
+}
+
 /**
  * pch_gbe_alloc_tx_buffers - Allocate transmit buffers
  * @adapter:   Board private structure
@@ -1380,7 +1480,7 @@ pch_gbe_clean_rx(struct pch_gbe_adapter *adapter,
         unsigned int i;
         unsigned int cleaned_count = 0;
         bool cleaned = false;
-        struct sk_buff *skb, *new_skb;
+        struct sk_buff *skb;
         u8 dma_status;
         u16 gbec_status;
         u32 tcp_ip_status;
@@ -1401,13 +1501,12 @@ pch_gbe_clean_rx(struct pch_gbe_adapter *adapter,
                 rx_desc->gbec_status = DSC_INIT16;
                 buffer_info = &rx_ring->buffer_info[i];
                 skb = buffer_info->skb;
+                buffer_info->skb = NULL;
 
                 /* unmap dma */
                 dma_unmap_single(&pdev->dev, buffer_info->dma,
                                    buffer_info->length, DMA_FROM_DEVICE);
                 buffer_info->mapped = false;
-                /* Prefetch the packet */
-                prefetch(skb->data);
 
                 pr_debug("RxDecNo = 0x%04x  Status[DMA:0x%02x GBE:0x%04x "
                          "TCP:0x%08x]  BufInf = 0x%p\n",
@@ -1427,70 +1526,16 @@ pch_gbe_clean_rx(struct pch_gbe_adapter *adapter,
                         pr_err("Receive CRC Error\n");
                 } else {
                         /* get receive length */
-                        /* length convert[-3] */
-                        length = (rx_desc->rx_words_eob) - 3;
-
-                        /* Decide the data conversion method */
-                        if (!(netdev->features & NETIF_F_RXCSUM)) {
-                                /* [Header:14][payload] */
-                                if (NET_IP_ALIGN) {
-                                        /* Because alignment differs,
-                                         * the new_skb is newly allocated,
-                                         * and data is copied to new_skb.*/
-                                        new_skb = netdev_alloc_skb(netdev,
-                                                         length + NET_IP_ALIGN);
-                                        if (!new_skb) {
-                                                /* dorrop error */
-                                                pr_err("New skb allocation "
-                                                        "Error\n");
-                                                goto dorrop;
-                                        }
-                                        skb_reserve(new_skb, NET_IP_ALIGN);
-                                        memcpy(new_skb->data, skb->data,
-                                               length);
-                                        skb = new_skb;
-                                } else {
-                                        /* DMA buffer is used as SKB as it is.*/
-                                        buffer_info->skb = NULL;
-                                }
-                        } else {
-                                /* [Header:14][padding:2][payload] */
-                                /* The length includes padding length */
-                                length = length - PCH_GBE_DMA_PADDING;
-                                if ((length < copybreak) ||
-                                    (NET_IP_ALIGN != PCH_GBE_DMA_PADDING)) {
-                                        /* Because alignment differs,
-                                         * the new_skb is newly allocated,
-                                         * and data is copied to new_skb.
-                                         * Padding data is deleted
-                                         * at the time of a copy.*/
-                                        new_skb = netdev_alloc_skb(netdev,
-                                                         length + NET_IP_ALIGN);
-                                        if (!new_skb) {
-                                                /* dorrop error */
-                                                pr_err("New skb allocation "
-                                                        "Error\n");
-                                                goto dorrop;
-                                        }
-                                        skb_reserve(new_skb, NET_IP_ALIGN);
-                                        memcpy(new_skb->data, skb->data,
-                                               ETH_HLEN);
-                                        memcpy(&new_skb->data[ETH_HLEN],
-                                               &skb->data[ETH_HLEN +
-                                               PCH_GBE_DMA_PADDING],
-                                               length - ETH_HLEN);
-                                        skb = new_skb;
-                                } else {
-                                        /* Padding data is deleted
-                                         * by moving header data.*/
-                                        memmove(&skb->data[PCH_GBE_DMA_PADDING],
-                                                &skb->data[0], ETH_HLEN);
-                                        skb_reserve(skb, NET_IP_ALIGN);
-                                        buffer_info->skb = NULL;
-                                }
-                        }
-                        /* The length includes FCS length */
-                        length = length - ETH_FCS_LEN;
+                        /* length convert[-3], length includes FCS length */
+                        length = (rx_desc->rx_words_eob) - 3 - ETH_FCS_LEN;
+                        if (rx_desc->rx_words_eob & 0x02)
+                                length = length - 4;
+                        /*
+                         * buffer_info->rx_buffer: [Header:14][payload]
+                         * skb->data: [Reserve:2][Header:14][payload]
+                         */
+                        memcpy(skb->data, buffer_info->rx_buffer, length);
+
                         /* update status of driver */
                         adapter->stats.rx_bytes += length;
                         adapter->stats.rx_packets++;
@@ -1509,7 +1554,6 @@ pch_gbe_clean_rx(struct pch_gbe_adapter *adapter,
                         pr_debug("Receive skb->ip_summed: %d length: %d\n",
                                  skb->ip_summed, length);
                 }
-dorrop:
                 /* return some buffers to hardware, one at a time is too slow */
                 if (unlikely(cleaned_count >= PCH_GBE_RX_BUFFER_WRITE)) {
                         pch_gbe_alloc_rx_buffers(adapter, rx_ring,
@@ -1714,9 +1758,15 @@ int pch_gbe_up(struct pch_gbe_adapter *adapter)
                 pr_err("Error: can't bring device up\n");
                 return err;
         }
+        err = pch_gbe_alloc_rx_buffers_pool(adapter, rx_ring, rx_ring->count);
+        if (err) {
+                pr_err("Error: can't bring device up\n");
+                return err;
+        }
         pch_gbe_alloc_tx_buffers(adapter, tx_ring);
         pch_gbe_alloc_rx_buffers(adapter, rx_ring, rx_ring->count);
         adapter->tx_queue_len = netdev->tx_queue_len;
+        pch_gbe_start_receive(&adapter->hw);
 
         mod_timer(&adapter->watchdog_timer, jiffies);
 
@@ -1734,6 +1784,7 @@ int pch_gbe_up(struct pch_gbe_adapter *adapter)
 void pch_gbe_down(struct pch_gbe_adapter *adapter)
 {
         struct net_device *netdev = adapter->netdev;
+        struct pch_gbe_rx_ring *rx_ring = adapter->rx_ring;
 
         /* signal that we're down so the interrupt handler does not
          * reschedule our watchdog timer */
@@ -1752,6 +1803,12 @@ void pch_gbe_down(struct pch_gbe_adapter *adapter)
         pch_gbe_reset(adapter);
         pch_gbe_clean_tx_ring(adapter, adapter->tx_ring);
         pch_gbe_clean_rx_ring(adapter, adapter->rx_ring);
+
+        pci_free_consistent(adapter->pdev, rx_ring->rx_buff_pool_size,
+                            rx_ring->rx_buff_pool, rx_ring->rx_buff_pool_logic);
+        rx_ring->rx_buff_pool_logic = 0;
+        rx_ring->rx_buff_pool_size = 0;
+        rx_ring->rx_buff_pool = NULL;
 }
 
 /**
@@ -2004,6 +2061,8 @@ static int pch_gbe_change_mtu(struct net_device *netdev, int new_mtu)
 {
         struct pch_gbe_adapter *adapter = netdev_priv(netdev);
         int max_frame;
+        unsigned long old_rx_buffer_len = adapter->rx_buffer_len;
+        int err;
 
         max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
         if ((max_frame < ETH_ZLEN + ETH_FCS_LEN) ||
@@ -2018,14 +2077,24 @@ static int pch_gbe_change_mtu(struct net_device *netdev, int new_mtu)
         else if (max_frame <= PCH_GBE_FRAME_SIZE_8192)
                 adapter->rx_buffer_len = PCH_GBE_FRAME_SIZE_8192;
         else
-                adapter->rx_buffer_len = PCH_GBE_MAX_JUMBO_FRAME_SIZE;
-        netdev->mtu = new_mtu;
-        adapter->hw.mac.max_frame_size = max_frame;
+                adapter->rx_buffer_len = PCH_GBE_MAX_RX_BUFFER_SIZE;
 
-        if (netif_running(netdev))
-                pch_gbe_reinit_locked(adapter);
-        else
+        if (netif_running(netdev)) {
+                pch_gbe_down(adapter);
+                err = pch_gbe_up(adapter);
+                if (err) {
+                        adapter->rx_buffer_len = old_rx_buffer_len;
+                        pch_gbe_up(adapter);
+                        return -ENOMEM;
+                } else {
+                        netdev->mtu = new_mtu;
+                        adapter->hw.mac.max_frame_size = max_frame;
+                }
+        } else {
                 pch_gbe_reset(adapter);
+                netdev->mtu = new_mtu;
+                adapter->hw.mac.max_frame_size = max_frame;
+        }
 
         pr_debug("max_frame : %d  rx_buffer_len : %d  mtu : %d  max_frame_size : %d\n",
                  max_frame, (u32) adapter->rx_buffer_len, netdev->mtu,
@@ -2103,6 +2172,7 @@ static int pch_gbe_napi_poll(struct napi_struct *napi, int budget)
         int work_done = 0;
         bool poll_end_flag = false;
         bool cleaned = false;
+        u32 int_en;
 
         pr_debug("budget : %d\n", budget);
 
@@ -2110,8 +2180,15 @@ static int pch_gbe_napi_poll(struct napi_struct *napi, int budget)
         if (!netif_carrier_ok(netdev)) {
                 poll_end_flag = true;
         } else {
-                cleaned = pch_gbe_clean_tx(adapter, adapter->tx_ring);
                 pch_gbe_clean_rx(adapter, adapter->rx_ring, &work_done, budget);
+                if (adapter->rx_stop_flag) {
+                        adapter->rx_stop_flag = false;
+                        pch_gbe_start_receive(&adapter->hw);
+                        int_en = ioread32(&adapter->hw.reg->INT_EN);
+                        iowrite32((int_en | PCH_GBE_INT_RX_FIFO_ERR),
+                                        &adapter->hw.reg->INT_EN);
+                }
+                cleaned = pch_gbe_clean_tx(adapter, adapter->tx_ring);
 
                 if (cleaned)
                         work_done = budget;
@@ -2452,6 +2529,13 @@ static DEFINE_PCI_DEVICE_TABLE(pch_gbe_pcidev_id) = {
          .class = (PCI_CLASS_NETWORK_ETHERNET << 8),
          .class_mask = (0xFFFF00)
          },
+        {.vendor = PCI_VENDOR_ID_ROHM,
+         .device = PCI_DEVICE_ID_ROHM_ML7831_GBE,
+         .subvendor = PCI_ANY_ID,
+         .subdevice = PCI_ANY_ID,
+         .class = (PCI_CLASS_NETWORK_ETHERNET << 8),
+         .class_mask = (0xFFFF00)
+         },
         /* required last entry */
         {0}
 };
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index faca764aa21b..b59abc706d93 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1050,7 +1050,6 @@ static int efx_init_io(struct efx_nic *efx)
 {
         struct pci_dev *pci_dev = efx->pci_dev;
         dma_addr_t dma_mask = efx->type->max_dma_mask;
-        bool use_wc;
         int rc;
 
         netif_dbg(efx, probe, efx->net_dev, "initialising I/O\n");
@@ -1101,21 +1100,8 @@ static int efx_init_io(struct efx_nic *efx)
                 rc = -EIO;
                 goto fail3;
         }
-
-        /* bug22643: If SR-IOV is enabled then tx push over a write combined
-         * mapping is unsafe. We need to disable write combining in this case.
-         * MSI is unsupported when SR-IOV is enabled, and the firmware will
-         * have removed the MSI capability. So write combining is safe if
-         * there is an MSI capability.
-         */
-        use_wc = (!EFX_WORKAROUND_22643(efx) ||
-                  pci_find_capability(pci_dev, PCI_CAP_ID_MSI));
-        if (use_wc)
-                efx->membase = ioremap_wc(efx->membase_phys,
-                                          efx->type->mem_map_size);
-        else
-                efx->membase = ioremap_nocache(efx->membase_phys,
-                                               efx->type->mem_map_size);
+        efx->membase = ioremap_nocache(efx->membase_phys,
+                                       efx->type->mem_map_size);
         if (!efx->membase) {
                 netif_err(efx, probe, efx->net_dev,
                           "could not map memory BAR at %llx+%x\n",
diff --git a/drivers/net/sfc/io.h b/drivers/net/sfc/io.h
index cc978803d484..751d1ec112cc 100644
--- a/drivers/net/sfc/io.h
+++ b/drivers/net/sfc/io.h
@@ -103,7 +103,6 @@ static inline void efx_writeo(struct efx_nic *efx, efx_oword_t *value,
         _efx_writed(efx, value->u32[2], reg + 8);
         _efx_writed(efx, value->u32[3], reg + 12);
 #endif
-        wmb();
         mmiowb();
         spin_unlock_irqrestore(&efx->biu_lock, flags);
 }
@@ -126,7 +125,6 @@ static inline void efx_sram_writeq(struct efx_nic *efx, void __iomem *membase,
         __raw_writel((__force u32)value->u32[0], membase + addr);
         __raw_writel((__force u32)value->u32[1], membase + addr + 4);
 #endif
-        wmb();
         mmiowb();
         spin_unlock_irqrestore(&efx->biu_lock, flags);
 }
@@ -141,7 +139,6 @@ static inline void efx_writed(struct efx_nic *efx, efx_dword_t *value,
 
         /* No lock required */
         _efx_writed(efx, value->u32[0], reg);
-        wmb();
 }
 
 /* Read a 128-bit CSR, locking as appropriate. */
@@ -152,7 +149,6 @@ static inline void efx_reado(struct efx_nic *efx, efx_oword_t *value,
 
         spin_lock_irqsave(&efx->biu_lock, flags);
         value->u32[0] = _efx_readd(efx, reg + 0);
-        rmb();
         value->u32[1] = _efx_readd(efx, reg + 4);
         value->u32[2] = _efx_readd(efx, reg + 8);
         value->u32[3] = _efx_readd(efx, reg + 12);
@@ -175,7 +171,6 @@ static inline void efx_sram_readq(struct efx_nic *efx, void __iomem *membase,
         value->u64[0] = (__force __le64)__raw_readq(membase + addr);
 #else
         value->u32[0] = (__force __le32)__raw_readl(membase + addr);
-        rmb();
         value->u32[1] = (__force __le32)__raw_readl(membase + addr + 4);
 #endif
         spin_unlock_irqrestore(&efx->biu_lock, flags);
@@ -249,7 +244,6 @@ static inline void _efx_writeo_page(struct efx_nic *efx, efx_oword_t *value,
         _efx_writed(efx, value->u32[2], reg + 8);
         _efx_writed(efx, value->u32[3], reg + 12);
 #endif
-        wmb();
 }
 #define efx_writeo_page(efx, value, reg, page)                          \
         _efx_writeo_page(efx, value,                                    \
diff --git a/drivers/net/sfc/mcdi.c b/drivers/net/sfc/mcdi.c
index 3dd45ed61f0a..81a425397468 100644
--- a/drivers/net/sfc/mcdi.c
+++ b/drivers/net/sfc/mcdi.c
@@ -50,20 +50,6 @@ static inline struct efx_mcdi_iface *efx_mcdi(struct efx_nic *efx)
         return &nic_data->mcdi;
 }
 
-static inline void
-efx_mcdi_readd(struct efx_nic *efx, efx_dword_t *value, unsigned reg)
-{
-        struct siena_nic_data *nic_data = efx->nic_data;
-        value->u32[0] = (__force __le32)__raw_readl(nic_data->mcdi_smem + reg);
-}
-
-static inline void
-efx_mcdi_writed(struct efx_nic *efx, const efx_dword_t *value, unsigned reg)
-{
-        struct siena_nic_data *nic_data = efx->nic_data;
-        __raw_writel((__force u32)value->u32[0], nic_data->mcdi_smem + reg);
-}
-
 void efx_mcdi_init(struct efx_nic *efx)
 {
         struct efx_mcdi_iface *mcdi;
@@ -84,8 +70,8 @@ static void efx_mcdi_copyin(struct efx_nic *efx, unsigned cmd,
                             const u8 *inbuf, size_t inlen)
 {
         struct efx_mcdi_iface *mcdi = efx_mcdi(efx);
-        unsigned pdu = MCDI_PDU(efx);
-        unsigned doorbell = MCDI_DOORBELL(efx);
+        unsigned pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx);
+        unsigned doorbell = FR_CZ_MC_TREG_SMEM + MCDI_DOORBELL(efx);
         unsigned int i;
         efx_dword_t hdr;
         u32 xflags, seqno;
@@ -106,28 +92,29 @@ static void efx_mcdi_copyin(struct efx_nic *efx, unsigned cmd,
                              MCDI_HEADER_SEQ, seqno,
                              MCDI_HEADER_XFLAGS, xflags);
 
-        efx_mcdi_writed(efx, &hdr, pdu);
+        efx_writed(efx, &hdr, pdu);
 
         for (i = 0; i < inlen; i += 4)
-                efx_mcdi_writed(efx, (const efx_dword_t *)(inbuf + i),
-                                pdu + 4 + i);
+                _efx_writed(efx, *((__le32 *)(inbuf + i)), pdu + 4 + i);
+
+        /* Ensure the payload is written out before the header */
+        wmb();
 
         /* ring the doorbell with a distinctive value */
-        EFX_POPULATE_DWORD_1(hdr, EFX_DWORD_0, 0x45789abc);
-        efx_mcdi_writed(efx, &hdr, doorbell);
+        _efx_writed(efx, (__force __le32) 0x45789abc, doorbell);
 }
 
 static void efx_mcdi_copyout(struct efx_nic *efx, u8 *outbuf, size_t outlen)
 {
         struct efx_mcdi_iface *mcdi = efx_mcdi(efx);
-        unsigned int pdu = MCDI_PDU(efx);
+        unsigned int pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx);
         int i;
 
         BUG_ON(atomic_read(&mcdi->state) == MCDI_STATE_QUIESCENT);
         BUG_ON(outlen & 3 || outlen >= 0x100);
 
         for (i = 0; i < outlen; i += 4)
-                efx_mcdi_readd(efx, (efx_dword_t *)(outbuf + i), pdu + 4 + i);
+                *((__le32 *)(outbuf + i)) = _efx_readd(efx, pdu + 4 + i);
 }
 
 static int efx_mcdi_poll(struct efx_nic *efx)
@@ -135,7 +122,7 @@ static int efx_mcdi_poll(struct efx_nic *efx)
         struct efx_mcdi_iface *mcdi = efx_mcdi(efx);
         unsigned int time, finish;
         unsigned int respseq, respcmd, error;
-        unsigned int pdu = MCDI_PDU(efx);
+        unsigned int pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx);
         unsigned int rc, spins;
         efx_dword_t reg;
 
@@ -161,7 +148,8 @@ static int efx_mcdi_poll(struct efx_nic *efx)
 
                 time = get_seconds();
 
-                efx_mcdi_readd(efx, &reg, pdu);
+                rmb();
+                efx_readd(efx, &reg, pdu);
 
                 /* All 1's indicates that shared memory is in reset (and is
                  * not a valid header). Wait for it to come out reset before
@@ -188,7 +176,7 @@ static int efx_mcdi_poll(struct efx_nic *efx)
                           respseq, mcdi->seqno);
                 rc = EIO;
         } else if (error) {
-                efx_mcdi_readd(efx, &reg, pdu + 4);
+                efx_readd(efx, &reg, pdu + 4);
                 switch (EFX_DWORD_FIELD(reg, EFX_DWORD_0)) {
 #define TRANSLATE_ERROR(name)                                   \
                 case MC_CMD_ERR_ ## name:                       \
@@ -222,21 +210,21 @@ out:
 /* Test and clear MC-rebooted flag for this port/function */
 int efx_mcdi_poll_reboot(struct efx_nic *efx)
 {
-        unsigned int addr = MCDI_REBOOT_FLAG(efx);
+        unsigned int addr = FR_CZ_MC_TREG_SMEM + MCDI_REBOOT_FLAG(efx);
         efx_dword_t reg;
         uint32_t value;
 
         if (efx_nic_rev(efx) < EFX_REV_SIENA_A0)
                 return false;
 
-        efx_mcdi_readd(efx, &reg, addr);
+        efx_readd(efx, &reg, addr);
         value = EFX_DWORD_FIELD(reg, EFX_DWORD_0);
 
         if (value == 0)
                 return 0;
 
         EFX_ZERO_DWORD(reg);
-        efx_mcdi_writed(efx, &reg, addr);
+        efx_writed(efx, &reg, addr);
 
         if (value == MC_STATUS_DWORD_ASSERT)
                 return -EINTR;
diff --git a/drivers/net/sfc/nic.c b/drivers/net/sfc/nic.c
index bafa23a6874c..3edfbaf5f022 100644
--- a/drivers/net/sfc/nic.c
+++ b/drivers/net/sfc/nic.c
@@ -1936,13 +1936,6 @@ void efx_nic_get_regs(struct efx_nic *efx, void *buf)
 
                 size = min_t(size_t, table->step, 16);
 
-                if (table->offset >= efx->type->mem_map_size) {
-                        /* No longer mapped; return dummy data */
-                        memcpy(buf, "\xde\xc0\xad\xde", 4);
-                        buf += table->rows * size;
-                        continue;
-                }
-
                 for (i = 0; i < table->rows; i++) {
                         switch (table->step) {
                         case 4: /* 32-bit register or SRAM */
diff --git a/drivers/net/sfc/nic.h b/drivers/net/sfc/nic.h
index 4bd1f2839dfe..7443f99c977f 100644
--- a/drivers/net/sfc/nic.h
+++ b/drivers/net/sfc/nic.h
@@ -143,12 +143,10 @@ static inline struct falcon_board *falcon_board(struct efx_nic *efx)
 /**
  * struct siena_nic_data - Siena NIC state
  * @mcdi: Management-Controller-to-Driver Interface
- * @mcdi_smem: MCDI shared memory mapping. The mapping is always uncacheable.
  * @wol_filter_id: Wake-on-LAN packet filter id
  */
 struct siena_nic_data {
         struct efx_mcdi_iface mcdi;
-        void __iomem *mcdi_smem;
         int wol_filter_id;
 };
 
diff --git a/drivers/net/sfc/siena.c b/drivers/net/sfc/siena.c
index 5735e84c69de..2c3bd93fab54 100644
--- a/drivers/net/sfc/siena.c
+++ b/drivers/net/sfc/siena.c
@@ -250,26 +250,12 @@ static int siena_probe_nic(struct efx_nic *efx)
         efx_reado(efx, &reg, FR_AZ_CS_DEBUG);
         efx->net_dev->dev_id = EFX_OWORD_FIELD(reg, FRF_CZ_CS_PORT_NUM) - 1;
 
-        /* Initialise MCDI */
-        nic_data->mcdi_smem = ioremap_nocache(efx->membase_phys +
-                                              FR_CZ_MC_TREG_SMEM,
-                                              FR_CZ_MC_TREG_SMEM_STEP *
-                                              FR_CZ_MC_TREG_SMEM_ROWS);
-        if (!nic_data->mcdi_smem) {
-                netif_err(efx, probe, efx->net_dev,
-                          "could not map MCDI at %llx+%x\n",
-                          (unsigned long long)efx->membase_phys +
-                          FR_CZ_MC_TREG_SMEM,
-                          FR_CZ_MC_TREG_SMEM_STEP * FR_CZ_MC_TREG_SMEM_ROWS);
-                rc = -ENOMEM;
-                goto fail1;
-        }
         efx_mcdi_init(efx);
 
         /* Recover from a failed assertion before probing */
         rc = efx_mcdi_handle_assertion(efx);
         if (rc)
-                goto fail2;
+                goto fail1;
 
         /* Let the BMC know that the driver is now in charge of link and
          * filter settings. We must do this before we reset the NIC */
@@ -324,7 +310,6 @@ fail4:
 fail3:
         efx_mcdi_drv_attach(efx, false, NULL);
 fail2:
-        iounmap(nic_data->mcdi_smem);
 fail1:
         kfree(efx->nic_data);
         return rc;
@@ -404,8 +389,6 @@ static int siena_init_nic(struct efx_nic *efx)
 
 static void siena_remove_nic(struct efx_nic *efx)
 {
-        struct siena_nic_data *nic_data = efx->nic_data;
-
         efx_nic_free_buffer(efx, &efx->irq_status);
 
         siena_reset_hw(efx, RESET_TYPE_ALL);
@@ -415,8 +398,7 @@ static void siena_remove_nic(struct efx_nic *efx)
                 efx_mcdi_drv_attach(efx, false, NULL);
 
         /* Tear down the private nic state */
-        iounmap(nic_data->mcdi_smem);
-        kfree(nic_data);
+        kfree(efx->nic_data);
         efx->nic_data = NULL;
 }
 
@@ -656,7 +638,8 @@ const struct efx_nic_type siena_a0_nic_type = {
         .default_mac_ops = &efx_mcdi_mac_operations,
 
         .revision = EFX_REV_SIENA_A0,
-        .mem_map_size = FR_CZ_MC_TREG_SMEM, /* MC_TREG_SMEM mapped separately */
+        .mem_map_size = (FR_CZ_MC_TREG_SMEM +
+                         FR_CZ_MC_TREG_SMEM_STEP * FR_CZ_MC_TREG_SMEM_ROWS),
         .txd_ptr_tbl_base = FR_BZ_TX_DESC_PTR_TBL,
         .rxd_ptr_tbl_base = FR_BZ_RX_DESC_PTR_TBL,
         .buf_tbl_base = FR_BZ_BUF_FULL_TBL,
diff --git a/drivers/net/sfc/workarounds.h b/drivers/net/sfc/workarounds.h
index 99ff11400cef..e4dd3a7f304b 100644
--- a/drivers/net/sfc/workarounds.h
+++ b/drivers/net/sfc/workarounds.h
@@ -38,8 +38,6 @@
 #define EFX_WORKAROUND_15783 EFX_WORKAROUND_ALWAYS
 /* Legacy interrupt storm when interrupt fifo fills */
 #define EFX_WORKAROUND_17213 EFX_WORKAROUND_SIENA
-/* Write combining and sriov=enabled are incompatible */
-#define EFX_WORKAROUND_22643 EFX_WORKAROUND_SIENA
 
 /* Spurious parity errors in TSORT buffers */
 #define EFX_WORKAROUND_5129 EFX_WORKAROUND_FALCON_A
diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c
index 15772b1b6a91..13c1f044b40d 100644
--- a/drivers/net/usb/ipheth.c
+++ b/drivers/net/usb/ipheth.c
@@ -59,6 +59,7 @@
 #define USB_PRODUCT_IPHONE_3G   0x1292
 #define USB_PRODUCT_IPHONE_3GS  0x1294
 #define USB_PRODUCT_IPHONE_4    0x1297
+#define USB_PRODUCT_IPHONE_4_VZW 0x129c
 
 #define IPHETH_USBINTF_CLASS    255
 #define IPHETH_USBINTF_SUBCLASS 253
@@ -98,6 +99,10 @@ static struct usb_device_id ipheth_table[] = {
                 USB_VENDOR_APPLE, USB_PRODUCT_IPHONE_4,
                 IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
                 IPHETH_USBINTF_PROTO) },
+        { USB_DEVICE_AND_INTERFACE_INFO(
+                USB_VENDOR_APPLE, USB_PRODUCT_IPHONE_4_VZW,
+                IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
+                IPHETH_USBINTF_PROTO) },
         { }
 };
 MODULE_DEVICE_TABLE(usb, ipheth_table);
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_calib.c b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
index 2d4c0910295b..2d394af82171 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
@@ -41,7 +41,8 @@ static bool ar9002_hw_is_cal_supported(struct ath_hw *ah,
         case ADC_DC_CAL:
                 /* Run ADC Gain Cal for non-CCK & non 2GHz-HT20 only */
                 if (!IS_CHAN_B(chan) &&
-                    !(IS_CHAN_2GHZ(chan) && IS_CHAN_HT20(chan)))
+                    !((IS_CHAN_2GHZ(chan) || IS_CHAN_A_FAST_CLOCK(ah, chan)) &&
+                      IS_CHAN_HT20(chan)))
                         supported = true;
                 break;
         }
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index 1baca8e4715d..fcafec0605f4 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -671,7 +671,7 @@ static int ar9003_hw_process_ini(struct ath_hw *ah,
                 REG_WRITE_ARRAY(&ah->iniModesAdditional,
                                 modesIndex, regWrites);
 
-        if (AR_SREV_9300(ah))
+        if (AR_SREV_9330(ah))
                 REG_WRITE_ARRAY(&ah->iniModesAdditional, 1, regWrites);
 
         if (AR_SREV_9340(ah) && !ah->is_clk_25mhz)
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 6530694a59ae..722967b86cf1 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2303,6 +2303,12 @@ static void ath9k_flush(struct ieee80211_hw *hw, bool drop)
         mutex_lock(&sc->mutex);
         cancel_delayed_work_sync(&sc->tx_complete_work);
 
+        if (ah->ah_flags & AH_UNPLUGGED) {
+                ath_dbg(common, ATH_DBG_ANY, "Device has been unplugged!\n");
+                mutex_unlock(&sc->mutex);
+                return;
+        }
+
         if (sc->sc_flags & SC_OP_INVALID) {
                 ath_dbg(common, ATH_DBG_ANY, "Device not present\n");
                 mutex_unlock(&sc->mutex);
diff --git a/drivers/net/wireless/iwlegacy/iwl-3945-rs.c b/drivers/net/wireless/iwlegacy/iwl-3945-rs.c
index 977bd2477c6a..164bcae821f8 100644
--- a/drivers/net/wireless/iwlegacy/iwl-3945-rs.c
+++ b/drivers/net/wireless/iwlegacy/iwl-3945-rs.c
@@ -822,12 +822,15 @@ static void iwl3945_rs_get_rate(void *priv_r, struct ieee80211_sta *sta,
 
  out:
 
-        rs_sta->last_txrate_idx = index;
-        if (sband->band == IEEE80211_BAND_5GHZ)
-                info->control.rates[0].idx = rs_sta->last_txrate_idx -
-                                IWL_FIRST_OFDM_RATE;
-        else
+        if (sband->band == IEEE80211_BAND_5GHZ) {
+                if (WARN_ON_ONCE(index < IWL_FIRST_OFDM_RATE))
+                        index = IWL_FIRST_OFDM_RATE;
+                rs_sta->last_txrate_idx = index;
+                info->control.rates[0].idx = index - IWL_FIRST_OFDM_RATE;
+        } else {
+                rs_sta->last_txrate_idx = index;
                 info->control.rates[0].idx = rs_sta->last_txrate_idx;
+        }
 
         IWL_DEBUG_RATE(priv, "leave: %d\n", index);
 }
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
index a895a099d086..56211006a182 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
@@ -167,7 +167,7 @@ static int iwlagn_set_temperature_offset_calib(struct iwl_priv *priv)
 
         memset(&cmd, 0, sizeof(cmd));
         iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD);
-        memcpy(&cmd.radio_sensor_offset, offset_calib, sizeof(offset_calib));
+        memcpy(&cmd.radio_sensor_offset, offset_calib, sizeof(*offset_calib));
         if (!(cmd.radio_sensor_offset))
                 cmd.radio_sensor_offset = DEFAULT_RADIO_SENSOR_OFFSET;
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c
index a6b2b1db0b1d..222d410c586e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c
@@ -771,6 +771,8 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
         cmd = txq->cmd[cmd_index];
         meta = &txq->meta[cmd_index];
 
+        txq->time_stamp = jiffies;
+
         iwlagn_unmap_tfd(priv, meta, &txq->tfds[index], DMA_BIDIRECTIONAL);
 
         /* Input error checking is done when commands are added to queue. */
diff --git a/drivers/net/wireless/rtlwifi/core.c b/drivers/net/wireless/rtlwifi/core.c
index 1bdc1aa305c0..04c4e9eb6ee6 100644
--- a/drivers/net/wireless/rtlwifi/core.c
+++ b/drivers/net/wireless/rtlwifi/core.c
@@ -610,6 +610,11 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
 
                         mac->link_state = MAC80211_NOLINK;
                         memset(mac->bssid, 0, 6);
+
+                        /* reset sec info */
+                        rtl_cam_reset_sec_info(hw);
+
+                        rtl_cam_reset_all_entry(hw);
                         mac->vendor = PEER_UNKNOWN;
 
                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
@@ -1063,6 +1068,9 @@ static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
                  *or clear all entry here.
                  */
                 rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
+
+                rtl_cam_reset_sec_info(hw);
+
                 break;
         default:
                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c b/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c
index 906e7aa55bc3..3e52a5496224 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c
@@ -549,15 +549,16 @@ void rtl92cu_tx_fill_desc(struct ieee80211_hw *hw,
                                (tcb_desc->rts_use_shortpreamble ? 1 : 0)
                                : (tcb_desc->rts_use_shortgi ? 1 : 0)));
         if (mac->bw_40) {
-                if (tcb_desc->packet_bw) {
+                if (rate_flag & IEEE80211_TX_RC_DUP_DATA) {
                         SET_TX_DESC_DATA_BW(txdesc, 1);
                         SET_TX_DESC_DATA_SC(txdesc, 3);
+                } else if(rate_flag & IEEE80211_TX_RC_40_MHZ_WIDTH){
+                        SET_TX_DESC_DATA_BW(txdesc, 1);
+                        SET_TX_DESC_DATA_SC(txdesc, mac->cur_40_prime_sc);
                 } else {
                         SET_TX_DESC_DATA_BW(txdesc, 0);
-                                if (rate_flag & IEEE80211_TX_RC_DUP_DATA)
-                                        SET_TX_DESC_DATA_SC(txdesc,
-                                                          mac->cur_40_prime_sc);
-                        }
+                        SET_TX_DESC_DATA_SC(txdesc, 0);
+                }
         } else {
                 SET_TX_DESC_DATA_BW(txdesc, 0);
                 SET_TX_DESC_DATA_SC(txdesc, 0);
diff --git a/drivers/pci/hotplug/pcihp_slot.c b/drivers/pci/hotplug/pcihp_slot.c
index 753b21aaea61..3ffd9c1acc0a 100644
--- a/drivers/pci/hotplug/pcihp_slot.c
+++ b/drivers/pci/hotplug/pcihp_slot.c
@@ -169,7 +169,9 @@ void pci_configure_slot(struct pci_dev *dev)
                         (dev->class >> 8) == PCI_CLASS_BRIDGE_PCI)))
                 return;
 
-        pcie_bus_configure_settings(dev->bus, dev->bus->self->pcie_mpss);
+        if (dev->bus && dev->bus->self)
+                pcie_bus_configure_settings(dev->bus,
+                                            dev->bus->self->pcie_mpss);
 
         memset(&hpp, 0, sizeof(hpp));
         ret = pci_get_hp_params(dev, &hpp);
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 0ce67423a0a3..4e84fd4a4312 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -77,7 +77,7 @@ unsigned long pci_cardbus_mem_size = DEFAULT_CARDBUS_MEM_SIZE;
 unsigned long pci_hotplug_io_size  = DEFAULT_HOTPLUG_IO_SIZE;
 unsigned long pci_hotplug_mem_size = DEFAULT_HOTPLUG_MEM_SIZE;
 
-enum pcie_bus_config_types pcie_bus_config = PCIE_BUS_PERFORMANCE;
+enum pcie_bus_config_types pcie_bus_config = PCIE_BUS_SAFE;
 
 /*
  * The default CLS is used if arch didn't set CLS explicitly and not
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 8473727b29fa..f3f94a5c068f 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1351,7 +1351,8 @@ static int pcie_find_smpss(struct pci_dev *dev, void *data)
          * will occur as normal.
          */
         if (dev->is_hotplug_bridge && (!list_is_singular(&dev->bus->devices) ||
-            dev->bus->self->pcie_type != PCI_EXP_TYPE_ROOT_PORT))
+             (dev->bus->self &&
+              dev->bus->self->pcie_type != PCI_EXP_TYPE_ROOT_PORT)))
                 *smpss = 0;
 
         if (*smpss > dev->pcie_mpss)
@@ -1396,34 +1397,37 @@ static void pcie_write_mps(struct pci_dev *dev, int mps)
 
 static void pcie_write_mrrs(struct pci_dev *dev, int mps)
 {
-        int rc, mrrs;
+        int rc, mrrs, dev_mpss;
 
-        if (pcie_bus_config == PCIE_BUS_PERFORMANCE) {
-                int dev_mpss = 128 << dev->pcie_mpss;
+        /* In the "safe" case, do not configure the MRRS.  There appear to be
+         * issues with setting MRRS to 0 on a number of devices.
+         */
 
-                /* For Max performance, the MRRS must be set to the largest
-                 * supported value.  However, it cannot be configured larger
-                 * than the MPS the device or the bus can support.  This assumes
-                 * that the largest MRRS available on the device cannot be
-                 * smaller than the device MPSS.
-                 */
-                mrrs = mps < dev_mpss ? mps : dev_mpss;
-        } else
-                /* In the "safe" case, configure the MRRS for fairness on the
-                 * bus by making all devices have the same size
-                 */
-                mrrs = mps;
+        if (pcie_bus_config != PCIE_BUS_PERFORMANCE)
+                return;
 
+        dev_mpss = 128 << dev->pcie_mpss;
+
+        /* For Max performance, the MRRS must be set to the largest supported
+         * value.  However, it cannot be configured larger than the MPS the
+         * device or the bus can support.  This assumes that the largest MRRS
+         * available on the device cannot be smaller than the device MPSS.
+         */
+        mrrs = min(mps, dev_mpss);
 
         /* MRRS is a R/W register.  Invalid values can be written, but a
-         * subsiquent read will verify if the value is acceptable or not.
+         * subsequent read will verify if the value is acceptable or not.
          * If the MRRS value provided is not acceptable (e.g., too large),
          * shrink the value until it is acceptable to the HW.
          */
         while (mrrs != pcie_get_readrq(dev) && mrrs >= 128) {
+                dev_warn(&dev->dev, "Attempting to modify the PCI-E MRRS value"
+                         " to %d.  If any issues are encountered, please try "
+                         "running with pci=pcie_bus_safe\n", mrrs);
                 rc = pcie_set_readrq(dev, mrrs);
                 if (rc)
-                        dev_err(&dev->dev, "Failed attempting to set the MRRS\n");
+                        dev_err(&dev->dev,
+                                "Failed attempting to set the MRRS\n");
 
                 mrrs /= 2;
         }
@@ -1436,13 +1440,13 @@ static int pcie_bus_configure_set(struct pci_dev *dev, void *data)
         if (!pci_is_pcie(dev))
                 return 0;
 
-        dev_info(&dev->dev, "Dev MPS %d MPSS %d MRRS %d\n",
+        dev_dbg(&dev->dev, "Dev MPS %d MPSS %d MRRS %d\n",
                  pcie_get_mps(dev), 128<<dev->pcie_mpss, pcie_get_readrq(dev));
 
         pcie_write_mps(dev, mps);
         pcie_write_mrrs(dev, mps);
 
-        dev_info(&dev->dev, "Dev MPS %d MPSS %d MRRS %d\n",
+        dev_dbg(&dev->dev, "Dev MPS %d MPSS %d MRRS %d\n",
                  pcie_get_mps(dev), 128<<dev->pcie_mpss, pcie_get_readrq(dev));
 
         return 0;
@@ -1456,9 +1460,6 @@ void pcie_bus_configure_settings(struct pci_bus *bus, u8 mpss)
 {
         u8 smpss = mpss;
 
-        if (!bus->self)
-                return;
-
         if (!pci_is_pcie(bus->self))
                 return;
 
diff --git a/drivers/rtc/rtc-ep93xx.c b/drivers/rtc/rtc-ep93xx.c
index 335551d333b2..14a42a1edc66 100644
--- a/drivers/rtc/rtc-ep93xx.c
+++ b/drivers/rtc/rtc-ep93xx.c
@@ -36,6 +36,7 @@
  */
 struct ep93xx_rtc {
         void __iomem    *mmio_base;
+        struct rtc_device *rtc;
 };
 
 static int ep93xx_rtc_get_swcomp(struct device *dev, unsigned short *preload,
@@ -130,7 +131,6 @@ static int __init ep93xx_rtc_probe(struct platform_device *pdev)
 {
         struct ep93xx_rtc *ep93xx_rtc;
         struct resource *res;
-        struct rtc_device *rtc;
         int err;
 
         ep93xx_rtc = devm_kzalloc(&pdev->dev, sizeof(*ep93xx_rtc), GFP_KERNEL);
@@ -151,12 +151,12 @@ static int __init ep93xx_rtc_probe(struct platform_device *pdev)
                 return -ENXIO;
 
         pdev->dev.platform_data = ep93xx_rtc;
-        platform_set_drvdata(pdev, rtc);
+        platform_set_drvdata(pdev, ep93xx_rtc);
 
-        rtc = rtc_device_register(pdev->name,
+        ep93xx_rtc->rtc = rtc_device_register(pdev->name,
                                 &pdev->dev, &ep93xx_rtc_ops, THIS_MODULE);
-        if (IS_ERR(rtc)) {
-                err = PTR_ERR(rtc);
+        if (IS_ERR(ep93xx_rtc->rtc)) {
+                err = PTR_ERR(ep93xx_rtc->rtc);
                 goto exit;
         }
 
@@ -167,7 +167,7 @@ static int __init ep93xx_rtc_probe(struct platform_device *pdev)
         return 0;
 
 fail:
-        rtc_device_unregister(rtc);
+        rtc_device_unregister(ep93xx_rtc->rtc);
 exit:
         platform_set_drvdata(pdev, NULL);
         pdev->dev.platform_data = NULL;
@@ -176,11 +176,11 @@ exit:
 
 static int __exit ep93xx_rtc_remove(struct platform_device *pdev)
 {
-        struct rtc_device *rtc = platform_get_drvdata(pdev);
+        struct ep93xx_rtc *ep93xx_rtc = platform_get_drvdata(pdev);
 
         sysfs_remove_group(&pdev->dev.kobj, &ep93xx_rtc_sysfs_files);
         platform_set_drvdata(pdev, NULL);
-        rtc_device_unregister(rtc);
+        rtc_device_unregister(ep93xx_rtc->rtc);
         pdev->dev.platform_data = NULL;
 
         return 0;
diff --git a/drivers/rtc/rtc-imxdi.c b/drivers/rtc/rtc-imxdi.c
index 2dd3c0163272..d93a9608b1f0 100644
--- a/drivers/rtc/rtc-imxdi.c
+++ b/drivers/rtc/rtc-imxdi.c
@@ -35,6 +35,7 @@
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/rtc.h>
+#include <linux/sched.h>
 #include <linux/workqueue.h>
 
 /* DryIce Register Definitions */
diff --git a/drivers/rtc/rtc-lib.c b/drivers/rtc/rtc-lib.c
index 075f1708deae..c4cf05731118 100644
--- a/drivers/rtc/rtc-lib.c
+++ b/drivers/rtc/rtc-lib.c
@@ -85,6 +85,8 @@ void rtc_time_to_tm(unsigned long time, struct rtc_time *tm)
         time -= tm->tm_hour * 3600;
         tm->tm_min = time / 60;
         tm->tm_sec = time - tm->tm_min * 60;
+
+        tm->tm_isdst = 0;
 }
 EXPORT_SYMBOL(rtc_time_to_tm);
 
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index 4e7c04e773e0..7639ab906f02 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -51,6 +51,27 @@ static enum s3c_cpu_type s3c_rtc_cpu_type;
 
 static DEFINE_SPINLOCK(s3c_rtc_pie_lock);
 
+static void s3c_rtc_alarm_clk_enable(bool enable)
+{
+        static DEFINE_SPINLOCK(s3c_rtc_alarm_clk_lock);
+        static bool alarm_clk_enabled;
+        unsigned long irq_flags;
+
+        spin_lock_irqsave(&s3c_rtc_alarm_clk_lock, irq_flags);
+        if (enable) {
+                if (!alarm_clk_enabled) {
+                        clk_enable(rtc_clk);
+                        alarm_clk_enabled = true;
+                }
+        } else {
+                if (alarm_clk_enabled) {
+                        clk_disable(rtc_clk);
+                        alarm_clk_enabled = false;
+                }
+        }
+        spin_unlock_irqrestore(&s3c_rtc_alarm_clk_lock, irq_flags);
+}
+
 /* IRQ Handlers */
 
 static irqreturn_t s3c_rtc_alarmirq(int irq, void *id)
@@ -64,6 +85,9 @@ static irqreturn_t s3c_rtc_alarmirq(int irq, void *id)
                 writeb(S3C2410_INTP_ALM, s3c_rtc_base + S3C2410_INTP);
 
         clk_disable(rtc_clk);
+
+        s3c_rtc_alarm_clk_enable(false);
+
         return IRQ_HANDLED;
 }
 
@@ -97,6 +121,8 @@ static int s3c_rtc_setaie(struct device *dev, unsigned int enabled)
         writeb(tmp, s3c_rtc_base + S3C2410_RTCALM);
         clk_disable(rtc_clk);
 
+        s3c_rtc_alarm_clk_enable(enabled);
+
         return 0;
 }
 
diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c
index 9a81f778d6b2..20687d55e7a7 100644
--- a/drivers/rtc/rtc-twl.c
+++ b/drivers/rtc/rtc-twl.c
@@ -362,14 +362,6 @@ static irqreturn_t twl_rtc_interrupt(int irq, void *rtc)
         int res;
         u8 rd_reg;
 
-#ifdef CONFIG_LOCKDEP
-        /* WORKAROUND for lockdep forcing IRQF_DISABLED on us, which
-         * we don't want and can't tolerate.  Although it might be
-         * friendlier not to borrow this thread context...
-         */
-        local_irq_enable();
-#endif
-
         res = twl_rtc_read_u8(&rd_reg, REG_RTC_STATUS_REG);
         if (res)
                 goto out;
@@ -428,24 +420,12 @@ static struct rtc_class_ops twl_rtc_ops = {
 static int __devinit twl_rtc_probe(struct platform_device *pdev)
 {
         struct rtc_device *rtc;
-        int ret = 0;
+        int ret = -EINVAL;
         int irq = platform_get_irq(pdev, 0);
         u8 rd_reg;
 
         if (irq <= 0)
-                return -EINVAL;
-
-        rtc = rtc_device_register(pdev->name,
-                                  &pdev->dev, &twl_rtc_ops, THIS_MODULE);
-        if (IS_ERR(rtc)) {
-                ret = PTR_ERR(rtc);
-                dev_err(&pdev->dev, "can't register RTC device, err %ld\n",
-                        PTR_ERR(rtc));
-                goto out0;
-
-        }
-
-        platform_set_drvdata(pdev, rtc);
+                goto out1;
 
         ret = twl_rtc_read_u8(&rd_reg, REG_RTC_STATUS_REG);
         if (ret < 0)
@@ -462,14 +442,6 @@ static int __devinit twl_rtc_probe(struct platform_device *pdev)
         if (ret < 0)
                 goto out1;
 
-        ret = request_irq(irq, twl_rtc_interrupt,
-                                IRQF_TRIGGER_RISING,
-                                dev_name(&rtc->dev), rtc);
-        if (ret < 0) {
-                dev_err(&pdev->dev, "IRQ is not free.\n");
-                goto out1;
-        }
-
         if (twl_class_is_6030()) {
                 twl6030_interrupt_unmask(TWL6030_RTC_INT_MASK,
                         REG_INT_MSK_LINE_A);
@@ -480,28 +452,44 @@ static int __devinit twl_rtc_probe(struct platform_device *pdev)
         /* Check RTC module status, Enable if it is off */
         ret = twl_rtc_read_u8(&rd_reg, REG_RTC_CTRL_REG);
         if (ret < 0)
-                goto out2;
+                goto out1;
 
         if (!(rd_reg & BIT_RTC_CTRL_REG_STOP_RTC_M)) {
                 dev_info(&pdev->dev, "Enabling TWL-RTC.\n");
                 rd_reg = BIT_RTC_CTRL_REG_STOP_RTC_M;
                 ret = twl_rtc_write_u8(rd_reg, REG_RTC_CTRL_REG);
                 if (ret < 0)
-                        goto out2;
+                        goto out1;
         }
 
         /* init cached IRQ enable bits */
         ret = twl_rtc_read_u8(&rtc_irq_bits, REG_RTC_INTERRUPTS_REG);
         if (ret < 0)
+                goto out1;
+
+        rtc = rtc_device_register(pdev->name,
+                                  &pdev->dev, &twl_rtc_ops, THIS_MODULE);
+        if (IS_ERR(rtc)) {
+                ret = PTR_ERR(rtc);
+                dev_err(&pdev->dev, "can't register RTC device, err %ld\n",
+                        PTR_ERR(rtc));
+                goto out1;
+        }
+
+        ret = request_threaded_irq(irq, NULL, twl_rtc_interrupt,
+                                   IRQF_TRIGGER_RISING,
+                                   dev_name(&rtc->dev), rtc);
+        if (ret < 0) {
+                dev_err(&pdev->dev, "IRQ is not free.\n");
                 goto out2;
+        }
 
-        return ret;
+        platform_set_drvdata(pdev, rtc);
+        return 0;
 
 out2:
-        free_irq(irq, rtc);
-out1:
         rtc_device_unregister(rtc);
-out0:
+out1:
         return ret;
 }
 
diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c
index 9ae80cd5953b..dba72a4e6a1c 100644
--- a/drivers/scsi/bnx2i/bnx2i_hwi.c
+++ b/drivers/scsi/bnx2i/bnx2i_hwi.c
@@ -563,7 +563,7 @@ int bnx2i_send_iscsi_nopout(struct bnx2i_conn *bnx2i_conn,
         nopout_wqe->itt = ((u16)task->itt |
                            (ISCSI_TASK_TYPE_MPATH <<
                             ISCSI_TMF_REQUEST_TYPE_SHIFT));
-        nopout_wqe->ttt = nopout_hdr->ttt;
+        nopout_wqe->ttt = be32_to_cpu(nopout_hdr->ttt);
         nopout_wqe->flags = 0;
         if (!unsol)
                 nopout_wqe->flags = ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION;
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index ba710e350ac5..5d0e9a24ae94 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -432,6 +432,8 @@ void fcoe_interface_cleanup(struct fcoe_interface *fcoe)
         u8 flogi_maddr[ETH_ALEN];
         const struct net_device_ops *ops;
 
+        rtnl_lock();
+
         /*
          * Don't listen for Ethernet packets anymore.
          * synchronize_net() ensures that the packet handlers are not running
@@ -461,6 +463,8 @@ void fcoe_interface_cleanup(struct fcoe_interface *fcoe)
                                         " specific feature for LLD.\n");
         }
 
+        rtnl_unlock();
+
         /* Release the self-reference taken during fcoe_interface_create() */
         fcoe_interface_put(fcoe);
 }
@@ -1951,11 +1955,8 @@ static void fcoe_destroy_work(struct work_struct *work)
         fcoe_if_destroy(port->lport);
 
         /* Do not tear down the fcoe interface for NPIV port */
-        if (!npiv) {
-                rtnl_lock();
+        if (!npiv)
                 fcoe_interface_cleanup(fcoe);
-                rtnl_unlock();
-        }
 
         mutex_unlock(&fcoe_config_mutex);
 }
@@ -2009,8 +2010,9 @@ static int fcoe_create(struct net_device *netdev, enum fip_state fip_mode)
                 printk(KERN_ERR "fcoe: Failed to create interface (%s)\n",
                        netdev->name);
                 rc = -EIO;
+                rtnl_unlock();
                 fcoe_interface_cleanup(fcoe);
-                goto out_nodev;
+                goto out_nortnl;
         }
 
         /* Make this the "master" N_Port */
@@ -2027,6 +2029,7 @@ static int fcoe_create(struct net_device *netdev, enum fip_state fip_mode)
 
 out_nodev:
         rtnl_unlock();
+out_nortnl:
         mutex_unlock(&fcoe_config_mutex);
         return rc;
 }
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index ec61bdb833ac..b200b736b000 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -676,6 +676,16 @@ static void hpsa_scsi_replace_entry(struct ctlr_info *h, int hostno,
         BUG_ON(entry < 0 || entry >= HPSA_MAX_SCSI_DEVS_PER_HBA);
         removed[*nremoved] = h->dev[entry];
         (*nremoved)++;
+
+        /*
+         * New physical devices won't have target/lun assigned yet
+         * so we need to preserve the values in the slot we are replacing.
+         */
+        if (new_entry->target == -1) {
+                new_entry->target = h->dev[entry]->target;
+                new_entry->lun = h->dev[entry]->lun;
+        }
+
         h->dev[entry] = new_entry;
         added[*nadded] = new_entry;
         (*nadded)++;
@@ -1548,10 +1558,17 @@ static inline void hpsa_set_bus_target_lun(struct hpsa_scsi_dev_t *device,
 }
 
 static int hpsa_update_device_info(struct ctlr_info *h,
-        unsigned char scsi3addr[], struct hpsa_scsi_dev_t *this_device)
+        unsigned char scsi3addr[], struct hpsa_scsi_dev_t *this_device,
+        unsigned char *is_OBDR_device)
 {
-#define OBDR_TAPE_INQ_SIZE 49
+
+#define OBDR_SIG_OFFSET 43
+#define OBDR_TAPE_SIG "$DR-10"
+#define OBDR_SIG_LEN (sizeof(OBDR_TAPE_SIG) - 1)
+#define OBDR_TAPE_INQ_SIZE (OBDR_SIG_OFFSET + OBDR_SIG_LEN)
+
         unsigned char *inq_buff;
+        unsigned char *obdr_sig;
 
         inq_buff = kzalloc(OBDR_TAPE_INQ_SIZE, GFP_KERNEL);
         if (!inq_buff)
@@ -1583,6 +1600,16 @@ static int hpsa_update_device_info(struct ctlr_info *h,
         else
                 this_device->raid_level = RAID_UNKNOWN;
 
+        if (is_OBDR_device) {
+                /* See if this is a One-Button-Disaster-Recovery device
+                 * by looking for "$DR-10" at offset 43 in inquiry data.
+                 */
+                obdr_sig = &inq_buff[OBDR_SIG_OFFSET];
+                *is_OBDR_device = (this_device->devtype == TYPE_ROM &&
+                                        strncmp(obdr_sig, OBDR_TAPE_SIG,
+                                                OBDR_SIG_LEN) == 0);
+        }
+
         kfree(inq_buff);
         return 0;
 
@@ -1716,7 +1743,7 @@ static int add_msa2xxx_enclosure_device(struct ctlr_info *h,
                 return 0;
         }
 
-        if (hpsa_update_device_info(h, scsi3addr, this_device))
+        if (hpsa_update_device_info(h, scsi3addr, this_device, NULL))
                 return 0;
         (*nmsa2xxx_enclosures)++;
         hpsa_set_bus_target_lun(this_device, bus, target, 0);
@@ -1808,7 +1835,6 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
          */
         struct ReportLUNdata *physdev_list = NULL;
         struct ReportLUNdata *logdev_list = NULL;
-        unsigned char *inq_buff = NULL;
         u32 nphysicals = 0;
         u32 nlogicals = 0;
         u32 ndev_allocated = 0;
@@ -1824,11 +1850,9 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
                 GFP_KERNEL);
         physdev_list = kzalloc(reportlunsize, GFP_KERNEL);
         logdev_list = kzalloc(reportlunsize, GFP_KERNEL);
-        inq_buff = kmalloc(OBDR_TAPE_INQ_SIZE, GFP_KERNEL);
         tmpdevice = kzalloc(sizeof(*tmpdevice), GFP_KERNEL);
 
-        if (!currentsd || !physdev_list || !logdev_list ||
-                !inq_buff || !tmpdevice) {
+        if (!currentsd || !physdev_list || !logdev_list || !tmpdevice) {
                 dev_err(&h->pdev->dev, "out of memory\n");
                 goto out;
         }
@@ -1863,7 +1887,7 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
         /* adjust our table of devices */
         nmsa2xxx_enclosures = 0;
         for (i = 0; i < nphysicals + nlogicals + 1; i++) {
-                u8 *lunaddrbytes;
+                u8 *lunaddrbytes, is_OBDR = 0;
 
                 /* Figure out where the LUN ID info is coming from */
                 lunaddrbytes = figure_lunaddrbytes(h, raid_ctlr_position,
@@ -1874,7 +1898,8 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
                         continue;
 
                 /* Get device type, vendor, model, device id */
-                if (hpsa_update_device_info(h, lunaddrbytes, tmpdevice))
+                if (hpsa_update_device_info(h, lunaddrbytes, tmpdevice,
+                                                        &is_OBDR))
                         continue; /* skip it if we can't talk to it. */
                 figure_bus_target_lun(h, lunaddrbytes, &bus, &target, &lun,
                         tmpdevice);
@@ -1898,7 +1923,7 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
                 hpsa_set_bus_target_lun(this_device, bus, target, lun);
 
                 switch (this_device->devtype) {
-                case TYPE_ROM: {
+                case TYPE_ROM:
                         /* We don't *really* support actual CD-ROM devices,
                          * just "One Button Disaster Recovery" tape drive
                          * which temporarily pretends to be a CD-ROM drive.
@@ -1906,15 +1931,8 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
                          * device by checking for "$DR-10" in bytes 43-48 of
                          * the inquiry data.
                          */
-                                char obdr_sig[7];
-#define OBDR_TAPE_SIG "$DR-10"
-                                strncpy(obdr_sig, &inq_buff[43], 6);
-                                obdr_sig[6] = '\0';
-                                if (strncmp(obdr_sig, OBDR_TAPE_SIG, 6) != 0)
-                                        /* Not OBDR device, ignore it. */
-                                        break;
-                        }
-                        ncurrent++;
+                        if (is_OBDR)
+                                ncurrent++;
                         break;
                 case TYPE_DISK:
                         if (i < nphysicals)
@@ -1947,7 +1965,6 @@ out:
         for (i = 0; i < ndev_allocated; i++)
                 kfree(currentsd[i]);
         kfree(currentsd);
-        kfree(inq_buff);
         kfree(physdev_list);
         kfree(logdev_list);
 }
diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c
index 26072f1e9852..6981b773a88d 100644
--- a/drivers/scsi/isci/host.c
+++ b/drivers/scsi/isci/host.c
@@ -531,6 +531,9 @@ static void sci_controller_process_completions(struct isci_host *ihost)
                         break;
 
                 case SCU_COMPLETION_TYPE_EVENT:
+                        sci_controller_event_completion(ihost, ent);
+                        break;
+
                 case SCU_COMPLETION_TYPE_NOTIFY: {
                         event_cycle ^= ((event_get+1) & SCU_MAX_EVENTS) <<
                                        (SMU_COMPLETION_QUEUE_GET_EVENT_CYCLE_BIT_SHIFT - SCU_MAX_EVENTS_SHIFT);
@@ -1091,6 +1094,7 @@ static void isci_host_completion_routine(unsigned long data)
         struct isci_request *request;
         struct isci_request *next_request;
         struct sas_task     *task;
+        u16 active;
 
         INIT_LIST_HEAD(&completed_request_list);
         INIT_LIST_HEAD(&errored_request_list);
@@ -1181,6 +1185,13 @@ static void isci_host_completion_routine(unsigned long data)
                 }
         }
 
+        /* the coalesence timeout doubles at each encoding step, so
+         * update it based on the ilog2 value of the outstanding requests
+         */
+        active = isci_tci_active(ihost);
+        writel(SMU_ICC_GEN_VAL(NUMBER, active) |
+               SMU_ICC_GEN_VAL(TIMER, ISCI_COALESCE_BASE + ilog2(active)),
+               &ihost->smu_registers->interrupt_coalesce_control);
 }
 
 /**
@@ -1471,7 +1482,7 @@ static void sci_controller_ready_state_enter(struct sci_base_state_machine *sm)
         struct isci_host *ihost = container_of(sm, typeof(*ihost), sm);
 
         /* set the default interrupt coalescence number and timeout value. */
-        sci_controller_set_interrupt_coalescence(ihost, 0x10, 250);
+        sci_controller_set_interrupt_coalescence(ihost, 0, 0);
 }
 
 static void sci_controller_ready_state_exit(struct sci_base_state_machine *sm)
diff --git a/drivers/scsi/isci/host.h b/drivers/scsi/isci/host.h
index 062101a39f79..9f33831a2f04 100644
--- a/drivers/scsi/isci/host.h
+++ b/drivers/scsi/isci/host.h
@@ -369,6 +369,9 @@ static inline struct isci_host *dev_to_ihost(struct domain_device *dev)
 #define ISCI_TAG_SEQ(tag) (((tag) >> 12) & (SCI_MAX_SEQ-1))
 #define ISCI_TAG_TCI(tag) ((tag) & (SCI_MAX_IO_REQUESTS-1))
 
+/* interrupt coalescing baseline: 9 == 3 to 5us interrupt delay per command */
+#define ISCI_COALESCE_BASE 9
+
 /* expander attached sata devices require 3 rnc slots */
 static inline int sci_remote_device_node_count(struct isci_remote_device *idev)
 {
diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c
index 61e0d09e2b57..29aa34efb0f5 100644
--- a/drivers/scsi/isci/init.c
+++ b/drivers/scsi/isci/init.c
@@ -59,10 +59,19 @@
 #include <linux/firmware.h>
 #include <linux/efi.h>
 #include <asm/string.h>
+#include <scsi/scsi_host.h>
 #include "isci.h"
 #include "task.h"
 #include "probe_roms.h"
 
+#define MAJ 1
+#define MIN 0
+#define BUILD 0
+#define DRV_VERSION __stringify(MAJ) "." __stringify(MIN) "." \
+        __stringify(BUILD)
+
+MODULE_VERSION(DRV_VERSION);
+
 static struct scsi_transport_template *isci_transport_template;
 
 static DEFINE_PCI_DEVICE_TABLE(isci_id_table) = {
@@ -113,6 +122,22 @@ unsigned char max_concurr_spinup = 1;
 module_param(max_concurr_spinup, byte, 0);
 MODULE_PARM_DESC(max_concurr_spinup, "Max concurrent device spinup");
 
+static ssize_t isci_show_id(struct device *dev, struct device_attribute *attr, char *buf)
+{
+        struct Scsi_Host *shost = container_of(dev, typeof(*shost), shost_dev);
+        struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost);
+        struct isci_host *ihost = container_of(sas_ha, typeof(*ihost), sas_ha);
+
+        return snprintf(buf, PAGE_SIZE, "%d\n", ihost->id);
+}
+
+static DEVICE_ATTR(isci_id, S_IRUGO, isci_show_id, NULL);
+
+struct device_attribute *isci_host_attrs[] = {
+        &dev_attr_isci_id,
+        NULL
+};
+
 static struct scsi_host_template isci_sht = {
 
         .module                         = THIS_MODULE,
@@ -138,6 +163,7 @@ static struct scsi_host_template isci_sht = {
         .slave_alloc                    = sas_slave_alloc,
         .target_destroy                 = sas_target_destroy,
         .ioctl                          = sas_ioctl,
+        .shost_attrs                    = isci_host_attrs,
 };
 
 static struct sas_domain_function_template isci_transport_ops  = {
@@ -232,17 +258,6 @@ static int isci_register_sas_ha(struct isci_host *isci_host)
         return 0;
 }
 
-static ssize_t isci_show_id(struct device *dev, struct device_attribute *attr, char *buf)
-{
-        struct Scsi_Host *shost = container_of(dev, typeof(*shost), shost_dev);
-        struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost);
-        struct isci_host *ihost = container_of(sas_ha, typeof(*ihost), sas_ha);
-
-        return snprintf(buf, PAGE_SIZE, "%d\n", ihost->id);
-}
-
-static DEVICE_ATTR(isci_id, S_IRUGO, isci_show_id, NULL);
-
 static void isci_unregister(struct isci_host *isci_host)
 {
         struct Scsi_Host *shost;
@@ -251,7 +266,6 @@ static void isci_unregister(struct isci_host *isci_host)
                 return;
 
         shost = isci_host->shost;
-        device_remove_file(&shost->shost_dev, &dev_attr_isci_id);
 
         sas_unregister_ha(&isci_host->sas_ha);
 
@@ -415,14 +429,8 @@ static struct isci_host *isci_host_alloc(struct pci_dev *pdev, int id)
         if (err)
                 goto err_shost_remove;
 
-        err = device_create_file(&shost->shost_dev, &dev_attr_isci_id);
-        if (err)
-                goto err_unregister_ha;
-
         return isci_host;
 
- err_unregister_ha:
-        sas_unregister_ha(&(isci_host->sas_ha));
  err_shost_remove:
         scsi_remove_host(shost);
  err_shost:
@@ -540,7 +548,8 @@ static __init int isci_init(void)
 {
         int err;
 
-        pr_info("%s: Intel(R) C600 SAS Controller Driver\n", DRV_NAME);
+        pr_info("%s: Intel(R) C600 SAS Controller Driver - version %s\n",
+                DRV_NAME, DRV_VERSION);
 
         isci_transport_template = sas_domain_attach_transport(&isci_transport_ops);
         if (!isci_transport_template)
diff --git a/drivers/scsi/isci/phy.c b/drivers/scsi/isci/phy.c
index 79313a7a2356..430fc8ff014a 100644
--- a/drivers/scsi/isci/phy.c
+++ b/drivers/scsi/isci/phy.c
@@ -104,6 +104,7 @@ sci_phy_link_layer_initialization(struct isci_phy *iphy,
         u32 parity_count = 0;
         u32 llctl, link_rate;
         u32 clksm_value = 0;
+        u32 sp_timeouts = 0;
 
         iphy->link_layer_registers = reg;
 
@@ -211,6 +212,18 @@ sci_phy_link_layer_initialization(struct isci_phy *iphy,
         llctl |= SCU_SAS_LLCTL_GEN_VAL(MAX_LINK_RATE, link_rate);
         writel(llctl, &iphy->link_layer_registers->link_layer_control);
 
+        sp_timeouts = readl(&iphy->link_layer_registers->sas_phy_timeouts);
+
+        /* Clear the default 0x36 (54us) RATE_CHANGE timeout value. */
+        sp_timeouts &= ~SCU_SAS_PHYTOV_GEN_VAL(RATE_CHANGE, 0xFF);
+
+        /* Set RATE_CHANGE timeout value to 0x3B (59us).  This ensures SCU can
+         * lock with 3Gb drive when SCU max rate is set to 1.5Gb.
+         */
+        sp_timeouts |= SCU_SAS_PHYTOV_GEN_VAL(RATE_CHANGE, 0x3B);
+
+        writel(sp_timeouts, &iphy->link_layer_registers->sas_phy_timeouts);
+
         if (is_a2(ihost->pdev)) {
                 /* Program the max ARB time for the PHY to 700us so we inter-operate with
                  * the PMC expander which shuts down PHYs if the expander PHY generates too
diff --git a/drivers/scsi/isci/registers.h b/drivers/scsi/isci/registers.h
index 9b266c7428e8..00afc738bbed 100644
--- a/drivers/scsi/isci/registers.h
+++ b/drivers/scsi/isci/registers.h
@@ -1299,6 +1299,18 @@ struct scu_transport_layer_registers {
 #define SCU_AFE_XCVRCR_OFFSET       0x00DC
 #define SCU_AFE_LUTCR_OFFSET        0x00E0
 
+#define SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_ALIGN_DETECTION_SHIFT          (0UL)
+#define SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_ALIGN_DETECTION_MASK           (0x000000FFUL)
+#define SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_HOT_PLUG_SHIFT                 (8UL)
+#define SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_HOT_PLUG_MASK                  (0x0000FF00UL)
+#define SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_COMSAS_DETECTION_SHIFT         (16UL)
+#define SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_COMSAS_DETECTION_MASK          (0x00FF0000UL)
+#define SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_RATE_CHANGE_SHIFT              (24UL)
+#define SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_RATE_CHANGE_MASK               (0xFF000000UL)
+
+#define SCU_SAS_PHYTOV_GEN_VAL(name, value) \
+        SCU_GEN_VALUE(SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_##name, value)
+
 #define SCU_SAS_LINK_LAYER_CONTROL_MAX_LINK_RATE_SHIFT                  (0)
 #define SCU_SAS_LINK_LAYER_CONTROL_MAX_LINK_RATE_MASK                   (0x00000003)
 #define SCU_SAS_LINK_LAYER_CONTROL_MAX_LINK_RATE_GEN1                   (0)
diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c
index a46e07ac789f..b5d3a8c4d329 100644
--- a/drivers/scsi/isci/request.c
+++ b/drivers/scsi/isci/request.c
@@ -732,12 +732,20 @@ sci_io_request_terminate(struct isci_request *ireq)
                 sci_change_state(&ireq->sm, SCI_REQ_ABORTING);
                 return SCI_SUCCESS;
         case SCI_REQ_TASK_WAIT_TC_RESP:
+                /* The task frame was already confirmed to have been
+                 * sent by the SCU HW.  Since the state machine is
+                 * now only waiting for the task response itself,
+                 * abort the request and complete it immediately
+                 * and don't wait for the task response.
+                 */
                 sci_change_state(&ireq->sm, SCI_REQ_ABORTING);
                 sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
                 return SCI_SUCCESS;
         case SCI_REQ_ABORTING:
-                sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
-                return SCI_SUCCESS;
+                /* If a request has a termination requested twice, return
+                 * a failure indication, since HW confirmation of the first
+                 * abort is still outstanding.
+                 */
         case SCI_REQ_COMPLETED:
         default:
                 dev_warn(&ireq->owning_controller->pdev->dev,
@@ -2399,22 +2407,19 @@ static void isci_task_save_for_upper_layer_completion(
         }
 }
 
-static void isci_request_process_stp_response(struct sas_task *task,
-                                              void *response_buffer)
+static void isci_process_stp_response(struct sas_task *task, struct dev_to_host_fis *fis)
 {
-        struct dev_to_host_fis *d2h_reg_fis = response_buffer;
         struct task_status_struct *ts = &task->task_status;
         struct ata_task_resp *resp = (void *)&ts->buf[0];
 
-        resp->frame_len = le16_to_cpu(*(__le16 *)(response_buffer + 6));
-        memcpy(&resp->ending_fis[0], response_buffer + 16, 24);
+        resp->frame_len = sizeof(*fis);
+        memcpy(resp->ending_fis, fis, sizeof(*fis));
         ts->buf_valid_size = sizeof(*resp);
 
-        /**
-         * If the device fault bit is set in the status register, then
+        /* If the device fault bit is set in the status register, then
          * set the sense data and return.
          */
-        if (d2h_reg_fis->status & ATA_DF)
+        if (fis->status & ATA_DF)
                 ts->stat = SAS_PROTO_RESPONSE;
         else
                 ts->stat = SAM_STAT_GOOD;
@@ -2428,7 +2433,6 @@ static void isci_request_io_request_complete(struct isci_host *ihost,
 {
         struct sas_task *task = isci_request_access_task(request);
         struct ssp_response_iu *resp_iu;
-        void *resp_buf;
         unsigned long task_flags;
         struct isci_remote_device *idev = isci_lookup_device(task->dev);
         enum service_response response       = SAS_TASK_UNDELIVERED;
@@ -2565,9 +2569,7 @@ static void isci_request_io_request_complete(struct isci_host *ihost,
                                 task);
 
                         if (sas_protocol_ata(task->task_proto)) {
-                                resp_buf = &request->stp.rsp;
-                                isci_request_process_stp_response(task,
-                                                                  resp_buf);
+                                isci_process_stp_response(task, &request->stp.rsp);
                         } else if (SAS_PROTOCOL_SSP == task->task_proto) {
 
                                 /* crack the iu response buffer. */
diff --git a/drivers/scsi/isci/unsolicited_frame_control.c b/drivers/scsi/isci/unsolicited_frame_control.c
index e9e1e2abacb9..16f88ab939c8 100644
--- a/drivers/scsi/isci/unsolicited_frame_control.c
+++ b/drivers/scsi/isci/unsolicited_frame_control.c
@@ -72,7 +72,7 @@ int sci_unsolicited_frame_control_construct(struct isci_host *ihost)
          */
         buf_len = SCU_MAX_UNSOLICITED_FRAMES * SCU_UNSOLICITED_FRAME_BUFFER_SIZE;
         header_len = SCU_MAX_UNSOLICITED_FRAMES * sizeof(struct scu_unsolicited_frame_header);
-        size = buf_len + header_len + SCU_MAX_UNSOLICITED_FRAMES * sizeof(dma_addr_t);
+        size = buf_len + header_len + SCU_MAX_UNSOLICITED_FRAMES * sizeof(uf_control->address_table.array[0]);
 
         /*
          * The Unsolicited Frame buffers are set at the start of the UF
diff --git a/drivers/scsi/isci/unsolicited_frame_control.h b/drivers/scsi/isci/unsolicited_frame_control.h
index 31cb9506f52d..75d896686f5a 100644
--- a/drivers/scsi/isci/unsolicited_frame_control.h
+++ b/drivers/scsi/isci/unsolicited_frame_control.h
@@ -214,7 +214,7 @@ struct sci_uf_address_table_array {
          * starting address of the UF address table.
          * 64-bit pointers are required by the hardware.
          */
-        dma_addr_t *array;
+        u64 *array;
 
         /**
          * This field specifies the physical address location for the UF
diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c
index 01ff082dc34c..d261e982a2fa 100644
--- a/drivers/scsi/libfc/fc_exch.c
+++ b/drivers/scsi/libfc/fc_exch.c
@@ -494,6 +494,9 @@ static int fc_seq_send(struct fc_lport *lport, struct fc_seq *sp,
          */
         error = lport->tt.frame_send(lport, fp);
 
+        if (fh->fh_type == FC_TYPE_BLS)
+                return error;
+
         /*
          * Update the exchange and sequence flags,
          * assuming all frames for the sequence have been sent.
@@ -575,42 +578,35 @@ static void fc_seq_set_resp(struct fc_seq *sp,
 }
 
 /**
- * fc_seq_exch_abort() - Abort an exchange and sequence
- * @req_sp:     The sequence to be aborted
+ * fc_exch_abort_locked() - Abort an exchange
+ * @ep: The exchange to be aborted
  * @timer_msec: The period of time to wait before aborting
  *
- * Generally called because of a timeout or an abort from the upper layer.
+ * Locking notes:  Called with exch lock held
+ *
+ * Return value: 0 on success else error code
  */
-static int fc_seq_exch_abort(const struct fc_seq *req_sp,
-                             unsigned int timer_msec)
+static int fc_exch_abort_locked(struct fc_exch *ep,
+                                unsigned int timer_msec)
 {
         struct fc_seq *sp;
-        struct fc_exch *ep;
         struct fc_frame *fp;
         int error;
 
-        ep = fc_seq_exch(req_sp);
-
-        spin_lock_bh(&ep->ex_lock);
         if (ep->esb_stat & (ESB_ST_COMPLETE | ESB_ST_ABNORMAL) ||
-            ep->state & (FC_EX_DONE | FC_EX_RST_CLEANUP)) {
-                spin_unlock_bh(&ep->ex_lock);
+            ep->state & (FC_EX_DONE | FC_EX_RST_CLEANUP))
                 return -ENXIO;
-        }
 
         /*
          * Send the abort on a new sequence if possible.
          */
         sp = fc_seq_start_next_locked(&ep->seq);
-        if (!sp) {
-                spin_unlock_bh(&ep->ex_lock);
+        if (!sp)
                 return -ENOMEM;
-        }
 
         ep->esb_stat |= ESB_ST_SEQ_INIT | ESB_ST_ABNORMAL;
         if (timer_msec)
                 fc_exch_timer_set_locked(ep, timer_msec);
-        spin_unlock_bh(&ep->ex_lock);
 
         /*
          * If not logged into the fabric, don't send ABTS but leave
@@ -633,6 +629,28 @@ static int fc_seq_exch_abort(const struct fc_seq *req_sp,
 }
 
 /**
+ * fc_seq_exch_abort() - Abort an exchange and sequence
+ * @req_sp:     The sequence to be aborted
+ * @timer_msec: The period of time to wait before aborting
+ *
+ * Generally called because of a timeout or an abort from the upper layer.
+ *
+ * Return value: 0 on success else error code
+ */
+static int fc_seq_exch_abort(const struct fc_seq *req_sp,
+                             unsigned int timer_msec)
+{
+        struct fc_exch *ep;
+        int error;
+
+        ep = fc_seq_exch(req_sp);
+        spin_lock_bh(&ep->ex_lock);
+        error = fc_exch_abort_locked(ep, timer_msec);
+        spin_unlock_bh(&ep->ex_lock);
+        return error;
+}
+
+/**
  * fc_exch_timeout() - Handle exchange timer expiration
  * @work: The work_struct identifying the exchange that timed out
  */
@@ -1715,6 +1733,7 @@ static void fc_exch_reset(struct fc_exch *ep)
         int rc = 1;
 
         spin_lock_bh(&ep->ex_lock);
+        fc_exch_abort_locked(ep, 0);
         ep->state |= FC_EX_RST_CLEANUP;
         if (cancel_delayed_work(&ep->timeout_work))
                 atomic_dec(&ep->ex_refcnt);     /* drop hold for timer */
@@ -1962,6 +1981,7 @@ static struct fc_seq *fc_exch_seq_send(struct fc_lport *lport,
         struct fc_exch *ep;
         struct fc_seq *sp = NULL;
         struct fc_frame_header *fh;
+        struct fc_fcp_pkt *fsp = NULL;
         int rc = 1;
 
         ep = fc_exch_alloc(lport, fp);
@@ -1984,8 +2004,10 @@ static struct fc_seq *fc_exch_seq_send(struct fc_lport *lport,
         fc_exch_setup_hdr(ep, fp, ep->f_ctl);
         sp->cnt++;
 
-        if (ep->xid <= lport->lro_xid && fh->fh_r_ctl == FC_RCTL_DD_UNSOL_CMD)
+        if (ep->xid <= lport->lro_xid && fh->fh_r_ctl == FC_RCTL_DD_UNSOL_CMD) {
+                fsp = fr_fsp(fp);
                 fc_fcp_ddp_setup(fr_fsp(fp), ep->xid);
+        }
 
         if (unlikely(lport->tt.frame_send(lport, fp)))
                 goto err;
@@ -1999,7 +2021,8 @@ static struct fc_seq *fc_exch_seq_send(struct fc_lport *lport,
         spin_unlock_bh(&ep->ex_lock);
         return sp;
 err:
-        fc_fcp_ddp_done(fr_fsp(fp));
+        if (fsp)
+                fc_fcp_ddp_done(fsp);
         rc = fc_exch_done_locked(ep);
         spin_unlock_bh(&ep->ex_lock);
         if (!rc)
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index afb63c843144..4c41ee816f0b 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -2019,6 +2019,11 @@ int fc_eh_abort(struct scsi_cmnd *sc_cmd)
         struct fc_fcp_internal *si;
         int rc = FAILED;
         unsigned long flags;
+        int rval;
+
+        rval = fc_block_scsi_eh(sc_cmd);
+        if (rval)
+                return rval;
 
         lport = shost_priv(sc_cmd->device->host);
         if (lport->state != LPORT_ST_READY)
@@ -2068,9 +2073,9 @@ int fc_eh_device_reset(struct scsi_cmnd *sc_cmd)
         int rc = FAILED;
         int rval;
 
-        rval = fc_remote_port_chkready(rport);
+        rval = fc_block_scsi_eh(sc_cmd);
         if (rval)
-                goto out;
+                return rval;
 
         lport = shost_priv(sc_cmd->device->host);
 
@@ -2116,6 +2121,8 @@ int fc_eh_host_reset(struct scsi_cmnd *sc_cmd)
 
         FC_SCSI_DBG(lport, "Resetting host\n");
 
+        fc_block_scsi_eh(sc_cmd);
+
         lport->tt.lport_reset(lport);
         wait_tmo = jiffies + FC_HOST_RESET_TIMEOUT;
         while (!fc_fcp_lport_queue_ready(lport) && time_before(jiffies,
diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c
index e55ed9cf23fb..628f347404f9 100644
--- a/drivers/scsi/libfc/fc_lport.c
+++ b/drivers/scsi/libfc/fc_lport.c
@@ -88,6 +88,7 @@
  */
 
 #include <linux/timer.h>
+#include <linux/delay.h>
 #include <linux/slab.h>
 #include <asm/unaligned.h>
 
@@ -1029,8 +1030,16 @@ static void fc_lport_enter_reset(struct fc_lport *lport)
                            FCH_EVT_LIPRESET, 0);
         fc_vports_linkchange(lport);
         fc_lport_reset_locked(lport);
-        if (lport->link_up)
+        if (lport->link_up) {
+                /*
+                 * Wait upto resource allocation time out before
+                 * doing re-login since incomplete FIP exchanged
+                 * from last session may collide with exchanges
+                 * in new session.
+                 */
+                msleep(lport->r_a_tov);
                 fc_lport_enter_flogi(lport);
+        }
 }
 
 /**
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 7836eb01c7fc..a31e05f3bfd4 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1786,13 +1786,16 @@ qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
                         fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
         }
 
-        if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) {
+        if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
                 if (ha->fw_attributes & BIT_4) {
+                        int prot = 0;
                         vha->flags.difdix_supported = 1;
                         ql_dbg(ql_dbg_user, vha, 0x7082,
                             "Registered for DIF/DIX type 1 and 3 protection.\n");
+                        if (ql2xenabledif == 1)
+                                prot = SHOST_DIX_TYPE0_PROTECTION;
                         scsi_host_set_prot(vha->host,
-                            SHOST_DIF_TYPE1_PROTECTION
+                            prot | SHOST_DIF_TYPE1_PROTECTION
                             | SHOST_DIF_TYPE2_PROTECTION
                             | SHOST_DIF_TYPE3_PROTECTION
                             | SHOST_DIX_TYPE1_PROTECTION
diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index 2155071f3100..d79cd8a5f831 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -8,24 +8,24 @@
 /*
  * Table for showing the current message id in use for particular level
  * Change this table for addition of log/debug messages.
- * -----------------------------------------------------
- * |             Level            |   Last Value Used  |
- * -----------------------------------------------------
- * | Module Init and Probe        |       0x0116       |
- * | Mailbox commands             |       0x111e       |
- * | Device Discovery             |       0x2083       |
- * | Queue Command and IO tracing |       0x302e       |
- * | DPC Thread                   |       0x401c       |
- * | Async Events                 |       0x5059       |
- * | Timer Routines               |       0x600d       |
- * | User Space Interactions      |       0x709c       |
- * | Task Management              |       0x8043       |
- * | AER/EEH                      |       0x900f       |
- * | Virtual Port                 |       0xa007       |
- * | ISP82XX Specific             |       0xb027       |
- * | MultiQ                       |       0xc00b       |
- * | Misc                         |       0xd00b       |
- * -----------------------------------------------------
+ * ----------------------------------------------------------------------
+ * |             Level            |   Last Value Used  |     Holes      |
+ * ----------------------------------------------------------------------
+ * | Module Init and Probe        |       0x0116       |                |
+ * | Mailbox commands             |       0x1126       |                |
+ * | Device Discovery             |       0x2083       |                |
+ * | Queue Command and IO tracing |       0x302e       |     0x3008     |
+ * | DPC Thread                   |       0x401c       |                |
+ * | Async Events                 |       0x5059       |                |
+ * | Timer Routines               |       0x600d       |                |
+ * | User Space Interactions      |       0x709d       |                |
+ * | Task Management              |       0x8041       |                |
+ * | AER/EEH                      |       0x900f       |                |
+ * | Virtual Port                 |       0xa007       |                |
+ * | ISP82XX Specific             |       0xb04f       |                |
+ * | MultiQ                       |       0xc00b       |                |
+ * | Misc                         |       0xd00b       |                |
+ * ----------------------------------------------------------------------
  */
 
 #include "qla_def.h"
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index cc5a79259d33..a03eaf40f377 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2529,6 +2529,7 @@ struct qla_hw_data {
 #define DT_ISP8021                      BIT_14
 #define DT_ISP_LAST                     (DT_ISP8021 << 1)
 
+#define DT_T10_PI                       BIT_25
 #define DT_IIDMA                        BIT_26
 #define DT_FWI2                         BIT_27
 #define DT_ZIO_SUPPORTED                BIT_28
@@ -2572,6 +2573,7 @@ struct qla_hw_data {
 #define IS_NOCACHE_VPD_TYPE(ha) (IS_QLA81XX(ha))
 #define IS_ALOGIO_CAPABLE(ha)   (IS_QLA23XX(ha) || IS_FWI2_CAPABLE(ha))
 
+#define IS_T10_PI_CAPABLE(ha)   ((ha)->device_type & DT_T10_PI)
 #define IS_IIDMA_CAPABLE(ha)    ((ha)->device_type & DT_IIDMA)
 #define IS_FWI2_CAPABLE(ha)     ((ha)->device_type & DT_FWI2)
 #define IS_ZIO_SUPPORTED(ha)    ((ha)->device_type & DT_ZIO_SUPPORTED)
diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h
index 691783abfb69..aa69486dc064 100644
--- a/drivers/scsi/qla2xxx/qla_fw.h
+++ b/drivers/scsi/qla2xxx/qla_fw.h
@@ -537,6 +537,11 @@ struct sts_entry_24xx {
         /*
          * If DIF Error is set in comp_status, these additional fields are
          * defined:
+         *
+         * !!! NOTE: Firmware sends expected/actual DIF data in big endian
+         * format; but all of the "data" field gets swab32-d in the beginning
+         * of qla2x00_status_entry().
+         *
          * &data[10] : uint8_t report_runt_bg[2];       - computed guard
          * &data[12] : uint8_t actual_dif[8];           - DIF Data received
          * &data[20] : uint8_t expected_dif[8];         - DIF Data computed
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index def694271bf7..37da04d3db26 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -3838,15 +3838,12 @@ qla2x00_loop_resync(scsi_qla_host_t *vha)
                 req = vha->req;
         rsp = req->rsp;
 
-        atomic_set(&vha->loop_state, LOOP_UPDATE);
         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
         if (vha->flags.online) {
                 if (!(rval = qla2x00_fw_ready(vha))) {
                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
                         wait_time = 256;
                         do {
-                                atomic_set(&vha->loop_state, LOOP_UPDATE);
-
                                 /* Issue a marker after FW becomes ready. */
                                 qla2x00_marker(vha, req, rsp, 0, 0,
                                         MK_SYNC_ALL);
diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h
index d2e904bc21c0..9902834e0b74 100644
--- a/drivers/scsi/qla2xxx/qla_inline.h
+++ b/drivers/scsi/qla2xxx/qla_inline.h
@@ -102,3 +102,32 @@ qla2x00_set_fcport_state(fc_port_t *fcport, int state)
                     fcport->d_id.b.al_pa);
         }
 }
+
+static inline int
+qla2x00_hba_err_chk_enabled(srb_t *sp)
+{
+        /*
+         * Uncomment when corresponding SCSI changes are done.
+         *
+        if (!sp->cmd->prot_chk)
+                return 0;
+         *
+         */
+
+        switch (scsi_get_prot_op(sp->cmd)) {
+        case SCSI_PROT_READ_STRIP:
+        case SCSI_PROT_WRITE_INSERT:
+                if (ql2xenablehba_err_chk >= 1)
+                        return 1;
+                break;
+        case SCSI_PROT_READ_PASS:
+        case SCSI_PROT_WRITE_PASS:
+                if (ql2xenablehba_err_chk >= 2)
+                        return 1;
+                break;
+        case SCSI_PROT_READ_INSERT:
+        case SCSI_PROT_WRITE_STRIP:
+                return 1;
+        }
+        return 0;
+}
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 49d6906af886..dbec89622a0f 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -709,20 +709,28 @@ struct fw_dif_context {
  *
  */
 static inline void
-qla24xx_set_t10dif_tags(struct scsi_cmnd *cmd, struct fw_dif_context *pkt,
+qla24xx_set_t10dif_tags(srb_t *sp, struct fw_dif_context *pkt,
     unsigned int protcnt)
 {
-        struct sd_dif_tuple *spt;
+        struct scsi_cmnd *cmd = sp->cmd;
         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
-        unsigned char op = scsi_get_prot_op(cmd);
 
         switch (scsi_get_prot_type(cmd)) {
-        /* For TYPE 0 protection: no checking */
         case SCSI_PROT_DIF_TYPE0:
-                pkt->ref_tag_mask[0] = 0x00;
-                pkt->ref_tag_mask[1] = 0x00;
-                pkt->ref_tag_mask[2] = 0x00;
-                pkt->ref_tag_mask[3] = 0x00;
+                /*
+                 * No check for ql2xenablehba_err_chk, as it would be an
+                 * I/O error if hba tag generation is not done.
+                 */
+                pkt->ref_tag = cpu_to_le32((uint32_t)
+                    (0xffffffff & scsi_get_lba(cmd)));
+
+                if (!qla2x00_hba_err_chk_enabled(sp))
+                        break;
+
+                pkt->ref_tag_mask[0] = 0xff;
+                pkt->ref_tag_mask[1] = 0xff;
+                pkt->ref_tag_mask[2] = 0xff;
+                pkt->ref_tag_mask[3] = 0xff;
                 break;
 
         /*
@@ -730,20 +738,16 @@ qla24xx_set_t10dif_tags(struct scsi_cmnd *cmd, struct fw_dif_context *pkt,
          * match LBA in CDB + N
          */
         case SCSI_PROT_DIF_TYPE2:
-                if (!ql2xenablehba_err_chk)
-                        break;
-
-                if (scsi_prot_sg_count(cmd)) {
-                        spt = page_address(sg_page(scsi_prot_sglist(cmd))) +
-                            scsi_prot_sglist(cmd)[0].offset;
-                        pkt->app_tag = swab32(spt->app_tag);
-                        pkt->app_tag_mask[0] =  0xff;
-                        pkt->app_tag_mask[1] =  0xff;
-                }
+                pkt->app_tag = __constant_cpu_to_le16(0);
+                pkt->app_tag_mask[0] = 0x0;
+                pkt->app_tag_mask[1] = 0x0;
 
                 pkt->ref_tag = cpu_to_le32((uint32_t)
                     (0xffffffff & scsi_get_lba(cmd)));
 
+                if (!qla2x00_hba_err_chk_enabled(sp))
+                        break;
+
                 /* enable ALL bytes of the ref tag */
                 pkt->ref_tag_mask[0] = 0xff;
                 pkt->ref_tag_mask[1] = 0xff;
@@ -763,26 +767,15 @@ qla24xx_set_t10dif_tags(struct scsi_cmnd *cmd, struct fw_dif_context *pkt,
          * 16 bit app tag.
          */
         case SCSI_PROT_DIF_TYPE1:
-                if (!ql2xenablehba_err_chk)
+                pkt->ref_tag = cpu_to_le32((uint32_t)
+                    (0xffffffff & scsi_get_lba(cmd)));
+                pkt->app_tag = __constant_cpu_to_le16(0);
+                pkt->app_tag_mask[0] = 0x0;
+                pkt->app_tag_mask[1] = 0x0;
+
+                if (!qla2x00_hba_err_chk_enabled(sp))
                         break;
 
-                if (protcnt && (op == SCSI_PROT_WRITE_STRIP ||
-                    op == SCSI_PROT_WRITE_PASS)) {
-                        spt = page_address(sg_page(scsi_prot_sglist(cmd))) +
-                            scsi_prot_sglist(cmd)[0].offset;
-                        ql_dbg(ql_dbg_io, vha, 0x3008,
-                            "LBA from user %p, lba = 0x%x for cmd=%p.\n",
-                            spt, (int)spt->ref_tag, cmd);
-                        pkt->ref_tag = swab32(spt->ref_tag);
-                        pkt->app_tag_mask[0] = 0x0;
-                        pkt->app_tag_mask[1] = 0x0;
-                } else {
-                        pkt->ref_tag = cpu_to_le32((uint32_t)
-                            (0xffffffff & scsi_get_lba(cmd)));
-                        pkt->app_tag = __constant_cpu_to_le16(0);
-                        pkt->app_tag_mask[0] = 0x0;
-                        pkt->app_tag_mask[1] = 0x0;
-                }
                 /* enable ALL bytes of the ref tag */
                 pkt->ref_tag_mask[0] = 0xff;
                 pkt->ref_tag_mask[1] = 0xff;
@@ -798,8 +791,162 @@ qla24xx_set_t10dif_tags(struct scsi_cmnd *cmd, struct fw_dif_context *pkt,
             scsi_get_prot_type(cmd), cmd);
 }
 
+struct qla2_sgx {
+        dma_addr_t              dma_addr;       /* OUT */
+        uint32_t                dma_len;        /* OUT */
+
+        uint32_t                tot_bytes;      /* IN */
+        struct scatterlist      *cur_sg;        /* IN */
+
+        /* for book keeping, bzero on initial invocation */
+        uint32_t                bytes_consumed;
+        uint32_t                num_bytes;
+        uint32_t                tot_partial;
+
+        /* for debugging */
+        uint32_t                num_sg;
+        srb_t                   *sp;
+};
 
 static int
+qla24xx_get_one_block_sg(uint32_t blk_sz, struct qla2_sgx *sgx,
+        uint32_t *partial)
+{
+        struct scatterlist *sg;
+        uint32_t cumulative_partial, sg_len;
+        dma_addr_t sg_dma_addr;
+
+        if (sgx->num_bytes == sgx->tot_bytes)
+                return 0;
+
+        sg = sgx->cur_sg;
+        cumulative_partial = sgx->tot_partial;
+
+        sg_dma_addr = sg_dma_address(sg);
+        sg_len = sg_dma_len(sg);
+
+        sgx->dma_addr = sg_dma_addr + sgx->bytes_consumed;
+
+        if ((cumulative_partial + (sg_len - sgx->bytes_consumed)) >= blk_sz) {
+                sgx->dma_len = (blk_sz - cumulative_partial);
+                sgx->tot_partial = 0;
+                sgx->num_bytes += blk_sz;
+                *partial = 0;
+        } else {
+                sgx->dma_len = sg_len - sgx->bytes_consumed;
+                sgx->tot_partial += sgx->dma_len;
+                *partial = 1;
+        }
+
+        sgx->bytes_consumed += sgx->dma_len;
+
+        if (sg_len == sgx->bytes_consumed) {
+                sg = sg_next(sg);
+                sgx->num_sg++;
+                sgx->cur_sg = sg;
+                sgx->bytes_consumed = 0;
+        }
+
+        return 1;
+}
+
+static int
+qla24xx_walk_and_build_sglist_no_difb(struct qla_hw_data *ha, srb_t *sp,
+        uint32_t *dsd, uint16_t tot_dsds)
+{
+        void *next_dsd;
+        uint8_t avail_dsds = 0;
+        uint32_t dsd_list_len;
+        struct dsd_dma *dsd_ptr;
+        struct scatterlist *sg_prot;
+        uint32_t *cur_dsd = dsd;
+        uint16_t        used_dsds = tot_dsds;
+
+        uint32_t        prot_int;
+        uint32_t        partial;
+        struct qla2_sgx sgx;
+        dma_addr_t      sle_dma;
+        uint32_t        sle_dma_len, tot_prot_dma_len = 0;
+        struct scsi_cmnd *cmd = sp->cmd;
+
+        prot_int = cmd->device->sector_size;
+
+        memset(&sgx, 0, sizeof(struct qla2_sgx));
+        sgx.tot_bytes = scsi_bufflen(sp->cmd);
+        sgx.cur_sg = scsi_sglist(sp->cmd);
+        sgx.sp = sp;
+
+        sg_prot = scsi_prot_sglist(sp->cmd);
+
+        while (qla24xx_get_one_block_sg(prot_int, &sgx, &partial)) {
+
+                sle_dma = sgx.dma_addr;
+                sle_dma_len = sgx.dma_len;
+alloc_and_fill:
+                /* Allocate additional continuation packets? */
+                if (avail_dsds == 0) {
+                        avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ?
+                                        QLA_DSDS_PER_IOCB : used_dsds;
+                        dsd_list_len = (avail_dsds + 1) * 12;
+                        used_dsds -= avail_dsds;
+
+                        /* allocate tracking DS */
+                        dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC);
+                        if (!dsd_ptr)
+                                return 1;
+
+                        /* allocate new list */
+                        dsd_ptr->dsd_addr = next_dsd =
+                            dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC,
+                                &dsd_ptr->dsd_list_dma);
+
+                        if (!next_dsd) {
+                                /*
+                                 * Need to cleanup only this dsd_ptr, rest
+                                 * will be done by sp_free_dma()
+                                 */
+                                kfree(dsd_ptr);
+                                return 1;
+                        }
+
+                        list_add_tail(&dsd_ptr->list,
+                            &((struct crc_context *)sp->ctx)->dsd_list);
+
+                        sp->flags |= SRB_CRC_CTX_DSD_VALID;
+
+                        /* add new list to cmd iocb or last list */
+                        *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
+                        *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
+                        *cur_dsd++ = dsd_list_len;
+                        cur_dsd = (uint32_t *)next_dsd;
+                }
+                *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
+                *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
+                *cur_dsd++ = cpu_to_le32(sle_dma_len);
+                avail_dsds--;
+
+                if (partial == 0) {
+                        /* Got a full protection interval */
+                        sle_dma = sg_dma_address(sg_prot) + tot_prot_dma_len;
+                        sle_dma_len = 8;
+
+                        tot_prot_dma_len += sle_dma_len;
+                        if (tot_prot_dma_len == sg_dma_len(sg_prot)) {
+                                tot_prot_dma_len = 0;
+                                sg_prot = sg_next(sg_prot);
+                        }
+
+                        partial = 1; /* So as to not re-enter this block */
+                        goto alloc_and_fill;
+                }
+        }
+        /* Null termination */
+        *cur_dsd++ = 0;
+        *cur_dsd++ = 0;
+        *cur_dsd++ = 0;
+        return 0;
+}
+static int
 qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd,
         uint16_t tot_dsds)
 {
@@ -981,7 +1128,7 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt,
         struct scsi_cmnd        *cmd;
         struct scatterlist      *cur_seg;
         int                     sgc;
-        uint32_t                total_bytes;
+        uint32_t                total_bytes = 0;
         uint32_t                data_bytes;
         uint32_t                dif_bytes;
         uint8_t                 bundling = 1;
@@ -1023,8 +1170,10 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt,
                     __constant_cpu_to_le16(CF_READ_DATA);
         }
 
-        tot_prot_dsds = scsi_prot_sg_count(cmd);
-        if (!tot_prot_dsds)
+        if ((scsi_get_prot_op(sp->cmd) == SCSI_PROT_READ_INSERT) ||
+            (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_STRIP) ||
+            (scsi_get_prot_op(sp->cmd) == SCSI_PROT_READ_STRIP) ||
+            (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_INSERT))
                 bundling = 0;
 
         /* Allocate CRC context from global pool */
@@ -1047,7 +1196,7 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt,
 
         INIT_LIST_HEAD(&crc_ctx_pkt->dsd_list);
 
-        qla24xx_set_t10dif_tags(cmd, (struct fw_dif_context *)
+        qla24xx_set_t10dif_tags(sp, (struct fw_dif_context *)
             &crc_ctx_pkt->ref_tag, tot_prot_dsds);
 
         cmd_pkt->crc_context_address[0] = cpu_to_le32(LSD(crc_ctx_dma));
@@ -1076,7 +1225,6 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt,
                 fcp_cmnd->additional_cdb_len |= 2;
 
         int_to_scsilun(sp->cmd->device->lun, &fcp_cmnd->lun);
-        host_to_fcp_swap((uint8_t *)&fcp_cmnd->lun, sizeof(fcp_cmnd->lun));
         memcpy(fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len);
         cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(fcp_cmnd_len);
         cmd_pkt->fcp_cmnd_dseg_address[0] = cpu_to_le32(
@@ -1107,15 +1255,28 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt,
         cmd_pkt->fcp_rsp_dseg_len = 0; /* Let response come in status iocb */
 
         /* Compute dif len and adjust data len to incude protection */
-        total_bytes = data_bytes;
         dif_bytes = 0;
         blk_size = cmd->device->sector_size;
-        if (scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
-                dif_bytes = (data_bytes / blk_size) * 8;
-                total_bytes += dif_bytes;
+        dif_bytes = (data_bytes / blk_size) * 8;
+
+        switch (scsi_get_prot_op(sp->cmd)) {
+        case SCSI_PROT_READ_INSERT:
+        case SCSI_PROT_WRITE_STRIP:
+            total_bytes = data_bytes;
+            data_bytes += dif_bytes;
+            break;
+
+        case SCSI_PROT_READ_STRIP:
+        case SCSI_PROT_WRITE_INSERT:
+        case SCSI_PROT_READ_PASS:
+        case SCSI_PROT_WRITE_PASS:
+            total_bytes = data_bytes + dif_bytes;
+            break;
+        default:
+            BUG();
         }
 
-        if (!ql2xenablehba_err_chk)
+        if (!qla2x00_hba_err_chk_enabled(sp))
                 fw_prot_opts |= 0x10; /* Disable Guard tag checking */
 
         if (!bundling) {
@@ -1151,7 +1312,12 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt,
 
         cmd_pkt->control_flags |=
             __constant_cpu_to_le16(CF_DATA_SEG_DESCR_ENABLE);
-        if (qla24xx_walk_and_build_sglist(ha, sp, cur_dsd,
+
+        if (!bundling && tot_prot_dsds) {
+                if (qla24xx_walk_and_build_sglist_no_difb(ha, sp,
+                    cur_dsd, tot_dsds))
+                        goto crc_queuing_error;
+        } else if (qla24xx_walk_and_build_sglist(ha, sp, cur_dsd,
             (tot_dsds - tot_prot_dsds)))
                 goto crc_queuing_error;
 
@@ -1414,6 +1580,22 @@ qla24xx_dif_start_scsi(srb_t *sp)
                         goto queuing_error;
                 else
                         sp->flags |= SRB_DMA_VALID;
+
+                if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) ||
+                    (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) {
+                        struct qla2_sgx sgx;
+                        uint32_t        partial;
+
+                        memset(&sgx, 0, sizeof(struct qla2_sgx));
+                        sgx.tot_bytes = scsi_bufflen(cmd);
+                        sgx.cur_sg = scsi_sglist(cmd);
+                        sgx.sp = sp;
+
+                        nseg = 0;
+                        while (qla24xx_get_one_block_sg(
+                            cmd->device->sector_size, &sgx, &partial))
+                                nseg++;
+                }
         } else
                 nseg = 0;
 
@@ -1428,6 +1610,11 @@ qla24xx_dif_start_scsi(srb_t *sp)
                         goto queuing_error;
                 else
                         sp->flags |= SRB_CRC_PROT_DMA_VALID;
+
+                if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) ||
+                    (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) {
+                        nseg = scsi_bufflen(cmd) / cmd->device->sector_size;
+                }
         } else {
                 nseg = 0;
         }
@@ -1454,6 +1641,7 @@ qla24xx_dif_start_scsi(srb_t *sp)
         /* Build header part of command packet (excluding the OPCODE). */
         req->current_outstanding_cmd = handle;
         req->outstanding_cmds[handle] = sp;
+        sp->handle = handle;
         sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle;
         req->cnt -= req_cnt;
 
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index b16b7725dee0..646fc5263d50 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -719,7 +719,6 @@ skip_rio:
                         vha->flags.rscn_queue_overflow = 1;
                 }
 
-                atomic_set(&vha->loop_state, LOOP_UPDATE);
                 atomic_set(&vha->loop_down_timer, 0);
                 vha->flags.management_server_logged_in = 0;
 
@@ -1435,25 +1434,27 @@ struct scsi_dif_tuple {
  * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
  * to indicate to the kernel that the HBA detected error.
  */
-static inline void
+static inline int
 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
 {
         struct scsi_qla_host *vha = sp->fcport->vha;
         struct scsi_cmnd *cmd = sp->cmd;
-        struct scsi_dif_tuple   *ep =
-                        (struct scsi_dif_tuple *)&sts24->data[20];
-        struct scsi_dif_tuple   *ap =
-                        (struct scsi_dif_tuple *)&sts24->data[12];
+        uint8_t         *ap = &sts24->data[12];
+        uint8_t         *ep = &sts24->data[20];
         uint32_t        e_ref_tag, a_ref_tag;
         uint16_t        e_app_tag, a_app_tag;
         uint16_t        e_guard, a_guard;
 
-        e_ref_tag = be32_to_cpu(ep->ref_tag);
-        a_ref_tag = be32_to_cpu(ap->ref_tag);
-        e_app_tag = be16_to_cpu(ep->app_tag);
-        a_app_tag = be16_to_cpu(ap->app_tag);
-        e_guard = be16_to_cpu(ep->guard);
-        a_guard = be16_to_cpu(ap->guard);
+        /*
+         * swab32 of the "data" field in the beginning of qla2x00_status_entry()
+         * would make guard field appear at offset 2
+         */
+        a_guard   = le16_to_cpu(*(uint16_t *)(ap + 2));
+        a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0));
+        a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4));
+        e_guard   = le16_to_cpu(*(uint16_t *)(ep + 2));
+        e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0));
+        e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4));
 
         ql_dbg(ql_dbg_io, vha, 0x3023,
             "iocb(s) %p Returned STATUS.\n", sts24);
@@ -1465,6 +1466,63 @@ qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
             cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
             a_app_tag, e_app_tag, a_guard, e_guard);
 
+        /*
+         * Ignore sector if:
+         * For type     3: ref & app tag is all 'f's
+         * For type 0,1,2: app tag is all 'f's
+         */
+        if ((a_app_tag == 0xffff) &&
+            ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) ||
+             (a_ref_tag == 0xffffffff))) {
+                uint32_t blocks_done, resid;
+                sector_t lba_s = scsi_get_lba(cmd);
+
+                /* 2TB boundary case covered automatically with this */
+                blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
+
+                resid = scsi_bufflen(cmd) - (blocks_done *
+                    cmd->device->sector_size);
+
+                scsi_set_resid(cmd, resid);
+                cmd->result = DID_OK << 16;
+
+                /* Update protection tag */
+                if (scsi_prot_sg_count(cmd)) {
+                        uint32_t i, j = 0, k = 0, num_ent;
+                        struct scatterlist *sg;
+                        struct sd_dif_tuple *spt;
+
+                        /* Patch the corresponding protection tags */
+                        scsi_for_each_prot_sg(cmd, sg,
+                            scsi_prot_sg_count(cmd), i) {
+                                num_ent = sg_dma_len(sg) / 8;
+                                if (k + num_ent < blocks_done) {
+                                        k += num_ent;
+                                        continue;
+                                }
+                                j = blocks_done - k - 1;
+                                k = blocks_done;
+                                break;
+                        }
+
+                        if (k != blocks_done) {
+                                qla_printk(KERN_WARNING, sp->fcport->vha->hw,
+                                    "unexpected tag values tag:lba=%x:%lx)\n",
+                                    e_ref_tag, lba_s);
+                                return 1;
+                        }
+
+                        spt = page_address(sg_page(sg)) + sg->offset;
+                        spt += j;
+
+                        spt->app_tag = 0xffff;
+                        if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
+                                spt->ref_tag = 0xffffffff;
+                }
+
+                return 0;
+        }
+
         /* check guard */
         if (e_guard != a_guard) {
                 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
@@ -1472,28 +1530,30 @@ qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
                 set_driver_byte(cmd, DRIVER_SENSE);
                 set_host_byte(cmd, DID_ABORT);
                 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
-                return;
+                return 1;
         }
 
-        /* check appl tag */
-        if (e_app_tag != a_app_tag) {
+        /* check ref tag */
+        if (e_ref_tag != a_ref_tag) {
                 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
-                    0x10, 0x2);
+                    0x10, 0x3);
                 set_driver_byte(cmd, DRIVER_SENSE);
                 set_host_byte(cmd, DID_ABORT);
                 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
-                return;
+                return 1;
         }
 
-        /* check ref tag */
-        if (e_ref_tag != a_ref_tag) {
+        /* check appl tag */
+        if (e_app_tag != a_app_tag) {
                 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
-                    0x10, 0x3);
+                    0x10, 0x2);
                 set_driver_byte(cmd, DRIVER_SENSE);
                 set_host_byte(cmd, DID_ABORT);
                 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
-                return;
+                return 1;
         }
+
+        return 1;
 }
 
 /**
@@ -1767,7 +1827,7 @@ check_scsi_status:
                 break;
 
         case CS_DIF_ERROR:
-                qla2x00_handle_dif_error(sp, sts24);
+                logit = qla2x00_handle_dif_error(sp, sts24);
                 break;
         default:
                 cp->result = DID_ERROR << 16;
@@ -2468,11 +2528,10 @@ qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
                 goto skip_msi;
         }
 
-        if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX ||
-                !QLA_MSIX_FW_MODE_1(ha->fw_attributes))) {
+        if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
                 ql_log(ql_log_warn, vha, 0x0035,
                     "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
-                    ha->pdev->revision, ha->fw_attributes);
+                    ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
                 goto skip_msix;
         }
 
diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c
index c706ed370000..f488cc69fc79 100644
--- a/drivers/scsi/qla2xxx/qla_mid.c
+++ b/drivers/scsi/qla2xxx/qla_mid.c
@@ -472,7 +472,7 @@ qla24xx_create_vhost(struct fc_vport *fc_vport)
         host->can_queue = base_vha->req->length + 128;
         host->this_id = 255;
         host->cmd_per_lun = 3;
-        if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif)
+        if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
                 host->max_cmd_len = 32;
         else
                 host->max_cmd_len = MAX_CMDSZ;
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index 5cbf33a50b14..049807cda419 100644
--- a/drivers/scsi/qla2xxx/qla_nx.c
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -2208,6 +2208,7 @@ qla82xx_msix_rsp_q(int irq, void *dev_id)
         struct qla_hw_data *ha;
         struct rsp_que *rsp;
         struct device_reg_82xx __iomem *reg;
+        unsigned long flags;
 
         rsp = (struct rsp_que *) dev_id;
         if (!rsp) {
@@ -2218,11 +2219,11 @@ qla82xx_msix_rsp_q(int irq, void *dev_id)
 
         ha = rsp->hw;
         reg = &ha->iobase->isp82;
-        spin_lock_irq(&ha->hardware_lock);
+        spin_lock_irqsave(&ha->hardware_lock, flags);
         vha = pci_get_drvdata(ha->pdev);
         qla24xx_process_response_queue(vha, rsp);
         WRT_REG_DWORD(&reg->host_int, 0);
-        spin_unlock_irq(&ha->hardware_lock);
+        spin_unlock_irqrestore(&ha->hardware_lock, flags);
         return IRQ_HANDLED;
 }
 
@@ -2838,6 +2839,16 @@ sufficient_dsds:
                 int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun);
                 host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
 
+                /* build FCP_CMND IU */
+                memset(ctx->fcp_cmnd, 0, sizeof(struct fcp_cmnd));
+                int_to_scsilun(sp->cmd->device->lun, &ctx->fcp_cmnd->lun);
+                ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len;
+
+                if (cmd->sc_data_direction == DMA_TO_DEVICE)
+                        ctx->fcp_cmnd->additional_cdb_len |= 1;
+                else if (cmd->sc_data_direction == DMA_FROM_DEVICE)
+                        ctx->fcp_cmnd->additional_cdb_len |= 2;
+
                 /*
                  * Update tagged queuing modifier -- default is TSK_SIMPLE (0).
                  */
@@ -2854,16 +2865,6 @@ sufficient_dsds:
                         }
                 }
 
-                /* build FCP_CMND IU */
-                memset(ctx->fcp_cmnd, 0, sizeof(struct fcp_cmnd));
-                int_to_scsilun(sp->cmd->device->lun, &ctx->fcp_cmnd->lun);
-                ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len;
-
-                if (cmd->sc_data_direction == DMA_TO_DEVICE)
-                        ctx->fcp_cmnd->additional_cdb_len |= 1;
-                else if (cmd->sc_data_direction == DMA_FROM_DEVICE)
-                        ctx->fcp_cmnd->additional_cdb_len |= 2;
-
                 memcpy(ctx->fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len);
 
                 fcp_dl = (uint32_t *)(ctx->fcp_cmnd->cdb + 16 +
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index e02df276804e..4cace3f20c04 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -106,17 +106,21 @@ MODULE_PARM_DESC(ql2xmaxqdepth,
                 "Maximum queue depth to report for target devices.");
 
 /* Do not change the value of this after module load */
-int ql2xenabledif = 1;
+int ql2xenabledif = 0;
 module_param(ql2xenabledif, int, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(ql2xenabledif,
                 " Enable T10-CRC-DIF "
-                " Default is 0 - No DIF Support. 1 - Enable it");
+                " Default is 0 - No DIF Support. 1 - Enable it"
+                ", 2 - Enable DIF for all types, except Type 0.");
 
-int ql2xenablehba_err_chk;
+int ql2xenablehba_err_chk = 2;
 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(ql2xenablehba_err_chk,
-                " Enable T10-CRC-DIF Error isolation by HBA"
-                " Default is 0 - Error isolation disabled, 1 - Enable it");
+                " Enable T10-CRC-DIF Error isolation by HBA:\n"
+                " Default is 1.\n"
+                "  0 -- Error isolation disabled\n"
+                "  1 -- Error isolation enabled only for DIX Type 0\n"
+                "  2 -- Error isolation enabled for all Types\n");
 
 int ql2xiidmaenable=1;
 module_param(ql2xiidmaenable, int, S_IRUGO);
@@ -909,7 +913,14 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
                     "Abort command mbx success.\n");
                 wait = 1;
         }
+
+        spin_lock_irqsave(&ha->hardware_lock, flags);
         qla2x00_sp_compl(ha, sp);
+        spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+        /* Did the command return during mailbox execution? */
+        if (ret == FAILED && !CMD_SP(cmd))
+                ret = SUCCESS;
 
         /* Wait for the command to be returned. */
         if (wait) {
@@ -2251,7 +2262,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
         host->this_id = 255;
         host->cmd_per_lun = 3;
         host->unique_id = host->host_no;
-        if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif)
+        if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
                 host->max_cmd_len = 32;
         else
                 host->max_cmd_len = MAX_CMDSZ;
@@ -2378,13 +2389,16 @@ skip_dpc:
             "Detected hba at address=%p.\n",
             ha);
 
-        if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) {
+        if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
                 if (ha->fw_attributes & BIT_4) {
+                        int prot = 0;
                         base_vha->flags.difdix_supported = 1;
                         ql_dbg(ql_dbg_init, base_vha, 0x00f1,
                             "Registering for DIF/DIX type 1 and 3 protection.\n");
+                        if (ql2xenabledif == 1)
+                                prot = SHOST_DIX_TYPE0_PROTECTION;
                         scsi_host_set_prot(host,
-                            SHOST_DIF_TYPE1_PROTECTION
+                            prot | SHOST_DIF_TYPE1_PROTECTION
                             | SHOST_DIF_TYPE2_PROTECTION
                             | SHOST_DIF_TYPE3_PROTECTION
                             | SHOST_DIX_TYPE1_PROTECTION
diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h
index 062c97bf62f5..13b6357c1fa2 100644
--- a/drivers/scsi/qla2xxx/qla_version.h
+++ b/drivers/scsi/qla2xxx/qla_version.h
@@ -7,7 +7,7 @@
 /*
  * Driver version
  */
-#define QLA2XXX_VERSION      "8.03.07.03-k"
+#define QLA2XXX_VERSION      "8.03.07.07-k"
 
 #define QLA_DRIVER_MAJOR_VER    8
 #define QLA_DRIVER_MINOR_VER    3
diff --git a/drivers/scsi/qla4xxx/Kconfig b/drivers/scsi/qla4xxx/Kconfig
index 2c33ce6eac1e..0f5599e0abf6 100644
--- a/drivers/scsi/qla4xxx/Kconfig
+++ b/drivers/scsi/qla4xxx/Kconfig
@@ -1,6 +1,6 @@
 config SCSI_QLA_ISCSI
         tristate "QLogic ISP4XXX and ISP82XX host adapter family support"
-        depends on PCI && SCSI
+        depends on PCI && SCSI && NET
         select SCSI_ISCSI_ATTRS
         ---help---
         This driver supports the QLogic 40xx (ISP4XXX) and 8022 (ISP82XX)
diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c
index 6859af0778cf..7611def97d06 100644
--- a/drivers/staging/comedi/drivers/ni_labpc.c
+++ b/drivers/staging/comedi/drivers/ni_labpc.c
@@ -241,8 +241,10 @@ static int labpc_eeprom_write_insn(struct comedi_device *dev,
                                    struct comedi_insn *insn,
                                    unsigned int *data);
 static void labpc_adc_timing(struct comedi_device *dev, struct comedi_cmd *cmd);
-#ifdef CONFIG_COMEDI_PCI
+#ifdef CONFIG_ISA_DMA_API
 static unsigned int labpc_suggest_transfer_size(struct comedi_cmd cmd);
+#endif
+#ifdef CONFIG_COMEDI_PCI
 static int labpc_find_device(struct comedi_device *dev, int bus, int slot);
 #endif
 static int labpc_dio_mem_callback(int dir, int port, int data,
diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c
index 497b2e718a76..5b773160200f 100644
--- a/drivers/target/iscsi/iscsi_target_parameters.c
+++ b/drivers/target/iscsi/iscsi_target_parameters.c
@@ -1430,7 +1430,7 @@ static int iscsi_enforce_integrity_rules(
         u8 DataSequenceInOrder = 0;
         u8 ErrorRecoveryLevel = 0, SessionType = 0;
         u8 IFMarker = 0, OFMarker = 0;
-        u8 IFMarkInt_Reject = 0, OFMarkInt_Reject = 0;
+        u8 IFMarkInt_Reject = 1, OFMarkInt_Reject = 1;
         u32 FirstBurstLength = 0, MaxBurstLength = 0;
         struct iscsi_param *param = NULL;
 
diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c
index a0d23bc0fc98..f00137f377b2 100644
--- a/drivers/target/iscsi/iscsi_target_util.c
+++ b/drivers/target/iscsi/iscsi_target_util.c
@@ -875,40 +875,6 @@ void iscsit_inc_session_usage_count(struct iscsi_session *sess)
 }
 
 /*
- *      Used before iscsi_do[rx,tx]_data() to determine iov and [rx,tx]_marker
- *      array counts needed for sync and steering.
- */
-static int iscsit_determine_sync_and_steering_counts(
-        struct iscsi_conn *conn,
-        struct iscsi_data_count *count)
-{
-        u32 length = count->data_length;
-        u32 marker, markint;
-
-        count->sync_and_steering = 1;
-
-        marker = (count->type == ISCSI_RX_DATA) ?
-                        conn->of_marker : conn->if_marker;
-        markint = (count->type == ISCSI_RX_DATA) ?
-                        (conn->conn_ops->OFMarkInt * 4) :
-                        (conn->conn_ops->IFMarkInt * 4);
-        count->ss_iov_count = count->iov_count;
-
-        while (length > 0) {
-                if (length >= marker) {
-                        count->ss_iov_count += 3;
-                        count->ss_marker_count += 2;
-
-                        length -= marker;
-                        marker = markint;
-                } else
-                        length = 0;
-        }
-
-        return 0;
-}
-
-/*
  *      Setup conn->if_marker and conn->of_marker values based upon
  *      the initial marker-less interval. (see iSCSI v19 A.2)
  */
@@ -1290,7 +1256,7 @@ int iscsit_fe_sendpage_sg(
         struct kvec iov;
         u32 tx_hdr_size, data_len;
         u32 offset = cmd->first_data_sg_off;
-        int tx_sent;
+        int tx_sent, iov_off;
 
 send_hdr:
         tx_hdr_size = ISCSI_HDR_LEN;
@@ -1310,9 +1276,19 @@ send_hdr:
         }
 
         data_len = cmd->tx_size - tx_hdr_size - cmd->padding;
-        if (conn->conn_ops->DataDigest)
+        /*
+         * Set iov_off used by padding and data digest tx_data() calls below
+         * in order to determine proper offset into cmd->iov_data[]
+         */
+        if (conn->conn_ops->DataDigest) {
                 data_len -= ISCSI_CRC_LEN;
-
+                if (cmd->padding)
+                        iov_off = (cmd->iov_data_count - 2);
+                else
+                        iov_off = (cmd->iov_data_count - 1);
+        } else {
+                iov_off = (cmd->iov_data_count - 1);
+        }
         /*
          * Perform sendpage() for each page in the scatterlist
          */
@@ -1341,8 +1317,7 @@ send_pg:
 
 send_padding:
         if (cmd->padding) {
-                struct kvec *iov_p =
-                        &cmd->iov_data[cmd->iov_data_count-1];
+                struct kvec *iov_p = &cmd->iov_data[iov_off++];
 
                 tx_sent = tx_data(conn, iov_p, 1, cmd->padding);
                 if (cmd->padding != tx_sent) {
@@ -1356,8 +1331,7 @@ send_padding:
 
 send_datacrc:
         if (conn->conn_ops->DataDigest) {
-                struct kvec *iov_d =
-                        &cmd->iov_data[cmd->iov_data_count];
+                struct kvec *iov_d = &cmd->iov_data[iov_off];
 
                 tx_sent = tx_data(conn, iov_d, 1, ISCSI_CRC_LEN);
                 if (ISCSI_CRC_LEN != tx_sent) {
@@ -1431,8 +1405,7 @@ static int iscsit_do_rx_data(
         struct iscsi_data_count *count)
 {
         int data = count->data_length, rx_loop = 0, total_rx = 0, iov_len;
-        u32 rx_marker_val[count->ss_marker_count], rx_marker_iov = 0;
-        struct kvec iov[count->ss_iov_count], *iov_p;
+        struct kvec *iov_p;
         struct msghdr msg;
 
         if (!conn || !conn->sock || !conn->conn_ops)
@@ -1440,93 +1413,8 @@ static int iscsit_do_rx_data(
 
         memset(&msg, 0, sizeof(struct msghdr));
 
-        if (count->sync_and_steering) {
-                int size = 0;
-                u32 i, orig_iov_count = 0;
-                u32 orig_iov_len = 0, orig_iov_loc = 0;
-                u32 iov_count = 0, per_iov_bytes = 0;
-                u32 *rx_marker, old_rx_marker = 0;
-                struct kvec *iov_record;
-
-                memset(&rx_marker_val, 0,
-                                count->ss_marker_count * sizeof(u32));
-                memset(&iov, 0, count->ss_iov_count * sizeof(struct kvec));
-
-                iov_record = count->iov;
-                orig_iov_count = count->iov_count;
-                rx_marker = &conn->of_marker;
-
-                i = 0;
-                size = data;
-                orig_iov_len = iov_record[orig_iov_loc].iov_len;
-                while (size > 0) {
-                        pr_debug("rx_data: #1 orig_iov_len %u,"
-                        " orig_iov_loc %u\n", orig_iov_len, orig_iov_loc);
-                        pr_debug("rx_data: #2 rx_marker %u, size"
-                                " %u\n", *rx_marker, size);
-
-                        if (orig_iov_len >= *rx_marker) {
-                                iov[iov_count].iov_len = *rx_marker;
-                                iov[iov_count++].iov_base =
-                                        (iov_record[orig_iov_loc].iov_base +
-                                                per_iov_bytes);
-
-                                iov[iov_count].iov_len = (MARKER_SIZE / 2);
-                                iov[iov_count++].iov_base =
-                                        &rx_marker_val[rx_marker_iov++];
-                                iov[iov_count].iov_len = (MARKER_SIZE / 2);
-                                iov[iov_count++].iov_base =
-                                        &rx_marker_val[rx_marker_iov++];
-                                old_rx_marker = *rx_marker;
-
-                                /*
-                                 * OFMarkInt is in 32-bit words.
-                                 */
-                                *rx_marker = (conn->conn_ops->OFMarkInt * 4);
-                                size -= old_rx_marker;
-                                orig_iov_len -= old_rx_marker;
-                                per_iov_bytes += old_rx_marker;
-
-                                pr_debug("rx_data: #3 new_rx_marker"
-                                        " %u, size %u\n", *rx_marker, size);
-                        } else {
-                                iov[iov_count].iov_len = orig_iov_len;
-                                iov[iov_count++].iov_base =
-                                        (iov_record[orig_iov_loc].iov_base +
-                                                per_iov_bytes);
-
-                                per_iov_bytes = 0;
-                                *rx_marker -= orig_iov_len;
-                                size -= orig_iov_len;
-
-                                if (size)
-                                        orig_iov_len =
-                                        iov_record[++orig_iov_loc].iov_len;
-
-                                pr_debug("rx_data: #4 new_rx_marker"
-                                        " %u, size %u\n", *rx_marker, size);
-                        }
-                }
-                data += (rx_marker_iov * (MARKER_SIZE / 2));
-
-                iov_p   = &iov[0];
-                iov_len = iov_count;
-
-                if (iov_count > count->ss_iov_count) {
-                        pr_err("iov_count: %d, count->ss_iov_count:"
-                                " %d\n", iov_count, count->ss_iov_count);
-                        return -1;
-                }
-                if (rx_marker_iov > count->ss_marker_count) {
-                        pr_err("rx_marker_iov: %d, count->ss_marker"
-                                "_count: %d\n", rx_marker_iov,
-                                count->ss_marker_count);
-                        return -1;
-                }
-        } else {
-                iov_p = count->iov;
-                iov_len = count->iov_count;
-        }
+        iov_p = count->iov;
+        iov_len = count->iov_count;
 
         while (total_rx < data) {
                 rx_loop = kernel_recvmsg(conn->sock, &msg, iov_p, iov_len,
@@ -1541,16 +1429,6 @@ static int iscsit_do_rx_data(
                                 rx_loop, total_rx, data);
         }
 
-        if (count->sync_and_steering) {
-                int j;
-                for (j = 0; j < rx_marker_iov; j++) {
-                        pr_debug("rx_data: #5 j: %d, offset: %d\n",
-                                j, rx_marker_val[j]);
-                        conn->of_marker_offset = rx_marker_val[j];
-                }
-                total_rx -= (rx_marker_iov * (MARKER_SIZE / 2));
-        }
-
         return total_rx;
 }
 
@@ -1559,8 +1437,7 @@ static int iscsit_do_tx_data(
         struct iscsi_data_count *count)
 {
         int data = count->data_length, total_tx = 0, tx_loop = 0, iov_len;
-        u32 tx_marker_val[count->ss_marker_count], tx_marker_iov = 0;
-        struct kvec iov[count->ss_iov_count], *iov_p;
+        struct kvec *iov_p;
         struct msghdr msg;
 
         if (!conn || !conn->sock || !conn->conn_ops)
@@ -1573,98 +1450,8 @@ static int iscsit_do_tx_data(
 
         memset(&msg, 0, sizeof(struct msghdr));
 
-        if (count->sync_and_steering) {
-                int size = 0;
-                u32 i, orig_iov_count = 0;
-                u32 orig_iov_len = 0, orig_iov_loc = 0;
-                u32 iov_count = 0, per_iov_bytes = 0;
-                u32 *tx_marker, old_tx_marker = 0;
-                struct kvec *iov_record;
-
-                memset(&tx_marker_val, 0,
-                        count->ss_marker_count * sizeof(u32));
-                memset(&iov, 0, count->ss_iov_count * sizeof(struct kvec));
-
-                iov_record = count->iov;
-                orig_iov_count = count->iov_count;
-                tx_marker = &conn->if_marker;
-
-                i = 0;
-                size = data;
-                orig_iov_len = iov_record[orig_iov_loc].iov_len;
-                while (size > 0) {
-                        pr_debug("tx_data: #1 orig_iov_len %u,"
-                        " orig_iov_loc %u\n", orig_iov_len, orig_iov_loc);
-                        pr_debug("tx_data: #2 tx_marker %u, size"
-                                " %u\n", *tx_marker, size);
-
-                        if (orig_iov_len >= *tx_marker) {
-                                iov[iov_count].iov_len = *tx_marker;
-                                iov[iov_count++].iov_base =
-                                        (iov_record[orig_iov_loc].iov_base +
-                                                per_iov_bytes);
-
-                                tx_marker_val[tx_marker_iov] =
-                                                (size - *tx_marker);
-                                iov[iov_count].iov_len = (MARKER_SIZE / 2);
-                                iov[iov_count++].iov_base =
-                                        &tx_marker_val[tx_marker_iov++];
-                                iov[iov_count].iov_len = (MARKER_SIZE / 2);
-                                iov[iov_count++].iov_base =
-                                        &tx_marker_val[tx_marker_iov++];
-                                old_tx_marker = *tx_marker;
-
-                                /*
-                                 * IFMarkInt is in 32-bit words.
-                                 */
-                                *tx_marker = (conn->conn_ops->IFMarkInt * 4);
-                                size -= old_tx_marker;
-                                orig_iov_len -= old_tx_marker;
-                                per_iov_bytes += old_tx_marker;
-
-                                pr_debug("tx_data: #3 new_tx_marker"
-                                        " %u, size %u\n", *tx_marker, size);
-                                pr_debug("tx_data: #4 offset %u\n",
-                                        tx_marker_val[tx_marker_iov-1]);
-                        } else {
-                                iov[iov_count].iov_len = orig_iov_len;
-                                iov[iov_count++].iov_base
-                                        = (iov_record[orig_iov_loc].iov_base +
-                                                per_iov_bytes);
-
-                                per_iov_bytes = 0;
-                                *tx_marker -= orig_iov_len;
-                                size -= orig_iov_len;
-
-                                if (size)
-                                        orig_iov_len =
-                                        iov_record[++orig_iov_loc].iov_len;
-
-                                pr_debug("tx_data: #5 new_tx_marker"
-                                        " %u, size %u\n", *tx_marker, size);
-                        }
-                }
-
-                data += (tx_marker_iov * (MARKER_SIZE / 2));
-
-                iov_p = &iov[0];
-                iov_len = iov_count;
-
-                if (iov_count > count->ss_iov_count) {
-                        pr_err("iov_count: %d, count->ss_iov_count:"
-                                " %d\n", iov_count, count->ss_iov_count);
-                        return -1;
-                }
-                if (tx_marker_iov > count->ss_marker_count) {
-                        pr_err("tx_marker_iov: %d, count->ss_marker"
-                                "_count: %d\n", tx_marker_iov,
-                                count->ss_marker_count);
-                        return -1;
-                }
-        } else {
-                iov_p = count->iov;
-                iov_len = count->iov_count;
-        }
+        iov_p = count->iov;
+        iov_len = count->iov_count;
 
         while (total_tx < data) {
                 tx_loop = kernel_sendmsg(conn->sock, &msg, iov_p, iov_len,
@@ -1679,9 +1466,6 @@ static int iscsit_do_tx_data(
                                         tx_loop, total_tx, data);
         }
 
-        if (count->sync_and_steering)
-                total_tx -= (tx_marker_iov * (MARKER_SIZE / 2));
-
         return total_tx;
 }
 
@@ -1702,12 +1486,6 @@ int rx_data(
         c.data_length = data;
         c.type = ISCSI_RX_DATA;
 
-        if (conn->conn_ops->OFMarker &&
-           (conn->conn_state >= TARG_CONN_STATE_LOGGED_IN)) {
-                if (iscsit_determine_sync_and_steering_counts(conn, &c) < 0)
-                        return -1;
-        }
-
         return iscsit_do_rx_data(conn, &c);
 }
 
@@ -1728,12 +1506,6 @@ int tx_data(
         c.data_length = data;
         c.type = ISCSI_TX_DATA;
 
-        if (conn->conn_ops->IFMarker &&
-           (conn->conn_state >= TARG_CONN_STATE_LOGGED_IN)) {
-                if (iscsit_determine_sync_and_steering_counts(conn, &c) < 0)
-                        return -1;
-        }
-
         return iscsit_do_tx_data(conn, &c);
 }
 
diff --git a/drivers/target/target_core_cdb.c b/drivers/target/target_core_cdb.c
index 89ae923c5da6..f04d4ef99dca 100644
--- a/drivers/target/target_core_cdb.c
+++ b/drivers/target/target_core_cdb.c
@@ -24,6 +24,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/ctype.h>
 #include <asm/unaligned.h>
 #include <scsi/scsi.h>
 
@@ -154,6 +155,37 @@ target_emulate_evpd_80(struct se_cmd *cmd, unsigned char *buf)
         return 0;
 }
 
+static void
+target_parse_naa_6h_vendor_specific(struct se_device *dev, unsigned char *buf_off)
+{
+        unsigned char *p = &dev->se_sub_dev->t10_wwn.unit_serial[0];
+        unsigned char *buf = buf_off;
+        int cnt = 0, next = 1;
+        /*
+         * Generate up to 36 bits of VENDOR SPECIFIC IDENTIFIER starting on
+         * byte 3 bit 3-0 for NAA IEEE Registered Extended DESIGNATOR field
+         * format, followed by 64 bits of VENDOR SPECIFIC IDENTIFIER EXTENSION
+         * to complete the payload.  These are based from VPD=0x80 PRODUCT SERIAL
+         * NUMBER set via vpd_unit_serial in target_core_configfs.c to ensure
+         * per device uniqeness.
+         */
+        while (*p != '\0') {
+                if (cnt >= 13)
+                        break;
+                if (!isxdigit(*p)) {
+                        p++;
+                        continue;
+                }
+                if (next != 0) {
+                        buf[cnt++] |= hex_to_bin(*p++);
+                        next = 0;
+                } else {
+                        buf[cnt] = hex_to_bin(*p++) << 4;
+                        next = 1;
+                }
+        }
+}
+
 /*
  * Device identification VPD, for a complete list of
  * DESIGNATOR TYPEs see spc4r17 Table 459.
@@ -219,8 +251,7 @@ target_emulate_evpd_83(struct se_cmd *cmd, unsigned char *buf)
          * VENDOR_SPECIFIC_IDENTIFIER and
          * VENDOR_SPECIFIC_IDENTIFIER_EXTENTION
          */
-        buf[off++] |= hex_to_bin(dev->se_sub_dev->t10_wwn.unit_serial[0]);
-        hex2bin(&buf[off], &dev->se_sub_dev->t10_wwn.unit_serial[1], 12);
+        target_parse_naa_6h_vendor_specific(dev, &buf[off]);
 
         len = 20;
         off = (len + 4);
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 8d0c58ea6316..a4b0a8d27f25 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -977,15 +977,17 @@ static void target_qf_do_work(struct work_struct *work)
 {
         struct se_device *dev = container_of(work, struct se_device,
                                         qf_work_queue);
+        LIST_HEAD(qf_cmd_list);
         struct se_cmd *cmd, *cmd_tmp;
 
         spin_lock_irq(&dev->qf_cmd_lock);
-        list_for_each_entry_safe(cmd, cmd_tmp, &dev->qf_cmd_list, se_qf_node) {
+        list_splice_init(&dev->qf_cmd_list, &qf_cmd_list);
+        spin_unlock_irq(&dev->qf_cmd_lock);
 
+        list_for_each_entry_safe(cmd, cmd_tmp, &qf_cmd_list, se_qf_node) {
                 list_del(&cmd->se_qf_node);
                 atomic_dec(&dev->dev_qf_count);
                 smp_mb__after_atomic_dec();
-                spin_unlock_irq(&dev->qf_cmd_lock);
 
                 pr_debug("Processing %s cmd: %p QUEUE_FULL in work queue"
                         " context: %s\n", cmd->se_tfo->get_fabric_name(), cmd,
@@ -997,10 +999,7 @@ static void target_qf_do_work(struct work_struct *work)
                  * has been added to head of queue
                  */
                 transport_add_cmd_to_queue(cmd, cmd->t_state);
-
-                spin_lock_irq(&dev->qf_cmd_lock);
         }
-        spin_unlock_irq(&dev->qf_cmd_lock);
 }
 
 unsigned char *transport_dump_cmd_direction(struct se_cmd *cmd)
diff --git a/drivers/target/tcm_fc/tcm_fc.h b/drivers/target/tcm_fc/tcm_fc.h
index bd4fe21a23b8..3749d8b4b423 100644
--- a/drivers/target/tcm_fc/tcm_fc.h
+++ b/drivers/target/tcm_fc/tcm_fc.h
@@ -98,8 +98,7 @@ struct ft_tpg {
         struct list_head list;          /* linkage in ft_lport_acl tpg_list */
         struct list_head lun_list;      /* head of LUNs */
         struct se_portal_group se_tpg;
-        struct task_struct *thread;     /* processing thread */
-        struct se_queue_obj qobj;       /* queue for processing thread */
+        struct workqueue_struct *workqueue;
 };
 
 struct ft_lport_acl {
@@ -110,16 +109,10 @@ struct ft_lport_acl {
         struct se_wwn fc_lport_wwn;
 };
 
-enum ft_cmd_state {
-        FC_CMD_ST_NEW = 0,
-        FC_CMD_ST_REJ
-};
-
 /*
  * Commands
  */
 struct ft_cmd {
-        enum ft_cmd_state state;
         u32 lun;                        /* LUN from request */
         struct ft_sess *sess;           /* session held for cmd */
         struct fc_seq *seq;             /* sequence in exchange mgr */
@@ -127,7 +120,7 @@ struct ft_cmd {
         struct fc_frame *req_frame;
         unsigned char *cdb;             /* pointer to CDB inside frame */
         u32 write_data_len;             /* data received on writes */
-        struct se_queue_req se_req;
+        struct work_struct work;
         /* Local sense buffer */
         unsigned char ft_sense_buffer[TRANSPORT_SENSE_BUFFER];
         u32 was_ddp_setup:1;            /* Set only if ddp is setup */
@@ -177,7 +170,6 @@ int ft_is_state_remove(struct se_cmd *);
 /*
  * other internal functions.
  */
-int ft_thread(void *);
 void ft_recv_req(struct ft_sess *, struct fc_frame *);
 struct ft_tpg *ft_lport_find_tpg(struct fc_lport *);
 struct ft_node_acl *ft_acl_get(struct ft_tpg *, struct fc_rport_priv *);
diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c
index 5654dc22f7ae..80fbcde00cb6 100644
--- a/drivers/target/tcm_fc/tfc_cmd.c
+++ b/drivers/target/tcm_fc/tfc_cmd.c
@@ -62,8 +62,8 @@ void ft_dump_cmd(struct ft_cmd *cmd, const char *caller)
         int count;
 
         se_cmd = &cmd->se_cmd;
-        pr_debug("%s: cmd %p state %d sess %p seq %p se_cmd %p\n",
-                caller, cmd, cmd->state, cmd->sess, cmd->seq, se_cmd);
+        pr_debug("%s: cmd %p sess %p seq %p se_cmd %p\n",
+                caller, cmd, cmd->sess, cmd->seq, se_cmd);
         pr_debug("%s: cmd %p cdb %p\n",
                 caller, cmd, cmd->cdb);
         pr_debug("%s: cmd %p lun %d\n", caller, cmd, cmd->lun);
@@ -90,38 +90,6 @@ void ft_dump_cmd(struct ft_cmd *cmd, const char *caller)
                 16, 4, cmd->cdb, MAX_COMMAND_SIZE, 0);
 }
 
-static void ft_queue_cmd(struct ft_sess *sess, struct ft_cmd *cmd)
-{
-        struct ft_tpg *tpg = sess->tport->tpg;
-        struct se_queue_obj *qobj = &tpg->qobj;
-        unsigned long flags;
-
-        qobj = &sess->tport->tpg->qobj;
-        spin_lock_irqsave(&qobj->cmd_queue_lock, flags);
-        list_add_tail(&cmd->se_req.qr_list, &qobj->qobj_list);
-        atomic_inc(&qobj->queue_cnt);
-        spin_unlock_irqrestore(&qobj->cmd_queue_lock, flags);
-
-        wake_up_process(tpg->thread);
-}
-
-static struct ft_cmd *ft_dequeue_cmd(struct se_queue_obj *qobj)
-{
-        unsigned long flags;
-        struct se_queue_req *qr;
-
-        spin_lock_irqsave(&qobj->cmd_queue_lock, flags);
-        if (list_empty(&qobj->qobj_list)) {
-                spin_unlock_irqrestore(&qobj->cmd_queue_lock, flags);
-                return NULL;
-        }
-        qr = list_first_entry(&qobj->qobj_list, struct se_queue_req, qr_list);
-        list_del(&qr->qr_list);
-        atomic_dec(&qobj->queue_cnt);
-        spin_unlock_irqrestore(&qobj->cmd_queue_lock, flags);
-        return container_of(qr, struct ft_cmd, se_req);
-}
-
 static void ft_free_cmd(struct ft_cmd *cmd)
 {
         struct fc_frame *fp;
@@ -282,9 +250,7 @@ u32 ft_get_task_tag(struct se_cmd *se_cmd)
 
 int ft_get_cmd_state(struct se_cmd *se_cmd)
 {
-        struct ft_cmd *cmd = container_of(se_cmd, struct ft_cmd, se_cmd);
-
-        return cmd->state;
+        return 0;
 }
 
 int ft_is_state_remove(struct se_cmd *se_cmd)
@@ -505,6 +471,8 @@ int ft_queue_tm_resp(struct se_cmd *se_cmd)
         return 0;
 }
 
+static void ft_send_work(struct work_struct *work);
+
 /*
  * Handle incoming FCP command.
  */
@@ -523,7 +491,9 @@ static void ft_recv_cmd(struct ft_sess *sess, struct fc_frame *fp)
                 goto busy;
         }
         cmd->req_frame = fp;            /* hold frame during cmd */
-        ft_queue_cmd(sess, cmd);
+
+        INIT_WORK(&cmd->work, ft_send_work);
+        queue_work(sess->tport->tpg->workqueue, &cmd->work);
         return;
 
 busy:
@@ -563,12 +533,13 @@ void ft_recv_req(struct ft_sess *sess, struct fc_frame *fp)
 /*
  * Send new command to target.
  */
-static void ft_send_cmd(struct ft_cmd *cmd)
+static void ft_send_work(struct work_struct *work)
 {
+        struct ft_cmd *cmd = container_of(work, struct ft_cmd, work);
         struct fc_frame_header *fh = fc_frame_header_get(cmd->req_frame);
         struct se_cmd *se_cmd;
         struct fcp_cmnd *fcp;
-        int data_dir;
+        int data_dir = 0;
         u32 data_len;
         int task_attr;
         int ret;
@@ -675,42 +646,3 @@ static void ft_send_cmd(struct ft_cmd *cmd)
 err:
         ft_send_resp_code_and_free(cmd, FCP_CMND_FIELDS_INVALID);
 }
-
-/*
- * Handle request in the command thread.
- */
-static void ft_exec_req(struct ft_cmd *cmd)
-{
-        pr_debug("cmd state %x\n", cmd->state);
-        switch (cmd->state) {
-        case FC_CMD_ST_NEW:
-                ft_send_cmd(cmd);
-                break;
-        default:
-                break;
-        }
-}
-
-/*
- * Processing thread.
- * Currently one thread per tpg.
- */
-int ft_thread(void *arg)
-{
-        struct ft_tpg *tpg = arg;
-        struct se_queue_obj *qobj = &tpg->qobj;
-        struct ft_cmd *cmd;
-
-        while (!kthread_should_stop()) {
-                schedule_timeout_interruptible(MAX_SCHEDULE_TIMEOUT);
-                if (kthread_should_stop())
-                        goto out;
-
-                cmd = ft_dequeue_cmd(qobj);
-                if (cmd)
-                        ft_exec_req(cmd);
-        }
-
-out:
-        return 0;
-}
diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c
index b15879d43e22..8fa39b74f22c 100644
--- a/drivers/target/tcm_fc/tfc_conf.c
+++ b/drivers/target/tcm_fc/tfc_conf.c
@@ -327,7 +327,6 @@ static struct se_portal_group *ft_add_tpg(
         tpg->index = index;
         tpg->lport_acl = lacl;
         INIT_LIST_HEAD(&tpg->lun_list);
-        transport_init_queue_obj(&tpg->qobj);
 
         ret = core_tpg_register(&ft_configfs->tf_ops, wwn, &tpg->se_tpg,
                                 tpg, TRANSPORT_TPG_TYPE_NORMAL);
@@ -336,8 +335,8 @@ static struct se_portal_group *ft_add_tpg(
                 return NULL;
         }
 
-        tpg->thread = kthread_run(ft_thread, tpg, "ft_tpg%lu", index);
-        if (IS_ERR(tpg->thread)) {
+        tpg->workqueue = alloc_workqueue("tcm_fc", 0, 1);
+        if (!tpg->workqueue) {
                 kfree(tpg);
                 return NULL;
         }
@@ -356,7 +355,7 @@ static void ft_del_tpg(struct se_portal_group *se_tpg)
         pr_debug("del tpg %s\n",
                     config_item_name(&tpg->se_tpg.tpg_group.cg_item));
 
-        kthread_stop(tpg->thread);
+        destroy_workqueue(tpg->workqueue);
 
         /* Wait for sessions to be freed thru RCU, for BUG_ON below */
         synchronize_rcu();
diff --git a/drivers/target/tcm_fc/tfc_io.c b/drivers/target/tcm_fc/tfc_io.c
index c37f4cd96452..d35ea5a3d56c 100644
--- a/drivers/target/tcm_fc/tfc_io.c
+++ b/drivers/target/tcm_fc/tfc_io.c
@@ -219,43 +219,41 @@ void ft_recv_write_data(struct ft_cmd *cmd, struct fc_frame *fp)
         if (cmd->was_ddp_setup) {
                 BUG_ON(!ep);
                 BUG_ON(!lport);
-        }
-
-        /*
-         * Doesn't expect payload if DDP is setup. Payload
-         * is expected to be copied directly to user buffers
-         * due to DDP (Large Rx offload),
-         */
-        buf = fc_frame_payload_get(fp, 1);
-        if (buf)
-                pr_err("%s: xid 0x%x, f_ctl 0x%x, cmd->sg %p, "
+                /*
+                 * Since DDP (Large Rx offload) was setup for this request,
+                 * payload is expected to be copied directly to user buffers.
+                 */
+                buf = fc_frame_payload_get(fp, 1);
+                if (buf)
+                        pr_err("%s: xid 0x%x, f_ctl 0x%x, cmd->sg %p, "
                                 "cmd->sg_cnt 0x%x. DDP was setup"
                                 " hence not expected to receive frame with "
-                                "payload, Frame will be dropped if "
-                                "'Sequence Initiative' bit in f_ctl is "
+                                "payload, Frame will be dropped if"
+                                "'Sequence Initiative' bit in f_ctl is"
                                 "not set\n", __func__, ep->xid, f_ctl,
                                 cmd->sg, cmd->sg_cnt);
-        /*
-         * Invalidate HW DDP context if it was setup for respective
-         * command. Invalidation of HW DDP context is requited in both
-         * situation (success and error). 
-         */
-        ft_invl_hw_context(cmd);
+                /*
+                 * Invalidate HW DDP context if it was setup for respective
+                 * command. Invalidation of HW DDP context is requited in both
+                 * situation (success and error).
+                 */
+                ft_invl_hw_context(cmd);
 
-        /*
-         * If "Sequence Initiative (TSI)" bit set in f_ctl, means last
-         * write data frame is received successfully where payload is
-         * posted directly to user buffer and only the last frame's
-         * header is posted in receive queue.
-         *
-         * If "Sequence Initiative (TSI)" bit is not set, means error
-         * condition w.r.t. DDP, hence drop the packet and let explict
-         * ABORTS from other end of exchange timer trigger the recovery.
-         */
-        if (f_ctl & FC_FC_SEQ_INIT)
-                goto last_frame;
-        else
-                goto drop;
+                /*
+                 * If "Sequence Initiative (TSI)" bit set in f_ctl, means last
+                 * write data frame is received successfully where payload is
+                 * posted directly to user buffer and only the last frame's
+                 * header is posted in receive queue.
+                 *
+                 * If "Sequence Initiative (TSI)" bit is not set, means error
+                 * condition w.r.t. DDP, hence drop the packet and let explict
+                 * ABORTS from other end of exchange timer trigger the recovery.
+                 */
+                if (f_ctl & FC_FC_SEQ_INIT)
+                        goto last_frame;
+                else
+                        goto drop;
+        }
 
         rel_off = ntohl(fh->fh_parm_offset);
         frame_len = fr_len(fp);
diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c
index 225123b37f19..58be715913cd 100644
--- a/drivers/tty/serial/crisv10.c
+++ b/drivers/tty/serial/crisv10.c
@@ -4450,7 +4450,7 @@ static int __init rs_init(void)
 
 #if defined(CONFIG_ETRAX_RS485)
 #if defined(CONFIG_ETRAX_RS485_ON_PA)
-        if (cris_io_interface_allocate_pins(if_ser0, 'a', rs485_pa_bit,
+        if (cris_io_interface_allocate_pins(if_serial_0, 'a', rs485_pa_bit,
                         rs485_pa_bit)) {
                 printk(KERN_CRIT "ETRAX100LX serial: Could not allocate "
                         "RS485 pin\n");
@@ -4459,7 +4459,7 @@ static int __init rs_init(void)
         }
 #endif
 #if defined(CONFIG_ETRAX_RS485_ON_PORT_G)
-        if (cris_io_interface_allocate_pins(if_ser0, 'g', rs485_pa_bit,
+        if (cris_io_interface_allocate_pins(if_serial_0, 'g', rs485_pa_bit,
                         rs485_port_g_bit)) {
                 printk(KERN_CRIT "ETRAX100LX serial: Could not allocate "
                         "RS485 pin\n");
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 1e96d1f1fe6b..723f8231193d 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -761,7 +761,7 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf)
         memset(buf, 0, retval);
         status = 0;
 
-        mask = PORT_CSC | PORT_PEC | PORT_OCC | PORT_PLC;
+        mask = PORT_CSC | PORT_PEC | PORT_OCC | PORT_PLC | PORT_WRC;
 
         spin_lock_irqsave(&xhci->lock, flags);
         /* For each port, did anything change?  If so, set that bit in buf. */
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 54139a2f06ce..952e2ded61af 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1934,8 +1934,10 @@ static int handle_tx_event(struct xhci_hcd *xhci,
         int status = -EINPROGRESS;
         struct urb_priv *urb_priv;
         struct xhci_ep_ctx *ep_ctx;
+        struct list_head *tmp;
         u32 trb_comp_code;
         int ret = 0;
+        int td_num = 0;
 
         slot_id = TRB_TO_SLOT_ID(le32_to_cpu(event->flags));
         xdev = xhci->devs[slot_id];
@@ -1957,6 +1959,12 @@ static int handle_tx_event(struct xhci_hcd *xhci,
                 return -ENODEV;
         }
 
+        /* Count current td numbers if ep->skip is set */
+        if (ep->skip) {
+                list_for_each(tmp, &ep_ring->td_list)
+                        td_num++;
+        }
+
         event_dma = le64_to_cpu(event->buffer);
         trb_comp_code = GET_COMP_CODE(le32_to_cpu(event->transfer_len));
         /* Look for common error cases */
@@ -2068,7 +2076,18 @@ static int handle_tx_event(struct xhci_hcd *xhci,
                         goto cleanup;
                 }
 
+                /* We've skipped all the TDs on the ep ring when ep->skip set */
+                if (ep->skip && td_num == 0) {
+                        ep->skip = false;
+                        xhci_dbg(xhci, "All tds on the ep_ring skipped. "
+                                                "Clear skip flag.\n");
+                        ret = 0;
+                        goto cleanup;
+                }
+
                 td = list_entry(ep_ring->td_list.next, struct xhci_td, td_list);
+                if (ep->skip)
+                        td_num--;
 
                 /* Is this a TRB in the currently executing TD? */
                 event_seg = trb_in_td(ep_ring->deq_seg, ep_ring->dequeue,
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c
index 80d292fb92d8..7363c1b169e8 100644
--- a/drivers/video/backlight/backlight.c
+++ b/drivers/video/backlight/backlight.c
@@ -19,7 +19,7 @@
 #include <asm/backlight.h>
 #endif
 
-static const char const *backlight_types[] = {
+static const char *const backlight_types[] = {
         [BACKLIGHT_RAW] = "raw",
         [BACKLIGHT_PLATFORM] = "platform",
         [BACKLIGHT_FIRMWARE] = "firmware",
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index da70f5c32eb9..7523719bf8a4 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -54,7 +54,7 @@
  * This lock protects updates to the following mapping and reference-count
  * arrays. The lock does not need to be acquired to read the mapping tables.
  */
-static DEFINE_SPINLOCK(irq_mapping_update_lock);
+static DEFINE_MUTEX(irq_mapping_update_lock);
 
 static LIST_HEAD(xen_irq_list_head);
 
@@ -631,7 +631,7 @@ int xen_bind_pirq_gsi_to_irq(unsigned gsi,
         int irq = -1;
         struct physdev_irq irq_op;
 
-        spin_lock(&irq_mapping_update_lock);
+        mutex_lock(&irq_mapping_update_lock);
 
         irq = find_irq_by_gsi(gsi);
         if (irq != -1) {
@@ -684,7 +684,7 @@ int xen_bind_pirq_gsi_to_irq(unsigned gsi,
                                 handle_edge_irq, name);
 
 out:
-        spin_unlock(&irq_mapping_update_lock);
+        mutex_unlock(&irq_mapping_update_lock);
 
         return irq;
 }
@@ -710,7 +710,7 @@ int xen_bind_pirq_msi_to_irq(struct pci_dev *dev, struct msi_desc *msidesc,
 {
         int irq, ret;
 
-        spin_lock(&irq_mapping_update_lock);
+        mutex_lock(&irq_mapping_update_lock);
 
         irq = xen_allocate_irq_dynamic();
         if (irq == -1)
@@ -724,10 +724,10 @@ int xen_bind_pirq_msi_to_irq(struct pci_dev *dev, struct msi_desc *msidesc,
         if (ret < 0)
                 goto error_irq;
 out:
-        spin_unlock(&irq_mapping_update_lock);
+        mutex_unlock(&irq_mapping_update_lock);
         return irq;
 error_irq:
-        spin_unlock(&irq_mapping_update_lock);
+        mutex_unlock(&irq_mapping_update_lock);
         xen_free_irq(irq);
         return -1;
 }
@@ -740,7 +740,7 @@ int xen_destroy_irq(int irq)
         struct irq_info *info = info_for_irq(irq);
         int rc = -ENOENT;
 
-        spin_lock(&irq_mapping_update_lock);
+        mutex_lock(&irq_mapping_update_lock);
 
         desc = irq_to_desc(irq);
         if (!desc)
@@ -766,7 +766,7 @@ int xen_destroy_irq(int irq)
         xen_free_irq(irq);
 
 out:
-        spin_unlock(&irq_mapping_update_lock);
+        mutex_unlock(&irq_mapping_update_lock);
         return rc;
 }
 
@@ -776,7 +776,7 @@ int xen_irq_from_pirq(unsigned pirq)
 
         struct irq_info *info;
 
-        spin_lock(&irq_mapping_update_lock);
+        mutex_lock(&irq_mapping_update_lock);
 
         list_for_each_entry(info, &xen_irq_list_head, list) {
                 if (info == NULL || info->type != IRQT_PIRQ)
@@ -787,7 +787,7 @@ int xen_irq_from_pirq(unsigned pirq)
         }
         irq = -1;
 out:
-        spin_unlock(&irq_mapping_update_lock);
+        mutex_unlock(&irq_mapping_update_lock);
 
         return irq;
 }
@@ -802,7 +802,7 @@ int bind_evtchn_to_irq(unsigned int evtchn)
 {
         int irq;
 
-        spin_lock(&irq_mapping_update_lock);
+        mutex_lock(&irq_mapping_update_lock);
 
         irq = evtchn_to_irq[evtchn];
 
@@ -818,7 +818,7 @@ int bind_evtchn_to_irq(unsigned int evtchn)
         }
 
 out:
-        spin_unlock(&irq_mapping_update_lock);
+        mutex_unlock(&irq_mapping_update_lock);
 
         return irq;
 }
@@ -829,7 +829,7 @@ static int bind_ipi_to_irq(unsigned int ipi, unsigned int cpu)
         struct evtchn_bind_ipi bind_ipi;
         int evtchn, irq;
 
-        spin_lock(&irq_mapping_update_lock);
+        mutex_lock(&irq_mapping_update_lock);
 
         irq = per_cpu(ipi_to_irq, cpu)[ipi];
 
@@ -853,7 +853,7 @@ static int bind_ipi_to_irq(unsigned int ipi, unsigned int cpu)
         }
 
  out:
-        spin_unlock(&irq_mapping_update_lock);
+        mutex_unlock(&irq_mapping_update_lock);
         return irq;
 }
 
@@ -878,7 +878,7 @@ int bind_virq_to_irq(unsigned int virq, unsigned int cpu)
         struct evtchn_bind_virq bind_virq;
         int evtchn, irq;
 
-        spin_lock(&irq_mapping_update_lock);
+        mutex_lock(&irq_mapping_update_lock);
 
         irq = per_cpu(virq_to_irq, cpu)[virq];
 
@@ -903,7 +903,7 @@ int bind_virq_to_irq(unsigned int virq, unsigned int cpu)
         }
 
 out:
-        spin_unlock(&irq_mapping_update_lock);
+        mutex_unlock(&irq_mapping_update_lock);
 
         return irq;
 }
@@ -913,7 +913,7 @@ static void unbind_from_irq(unsigned int irq)
         struct evtchn_close close;
         int evtchn = evtchn_from_irq(irq);
 
-        spin_lock(&irq_mapping_update_lock);
+        mutex_lock(&irq_mapping_update_lock);
 
         if (VALID_EVTCHN(evtchn)) {
                 close.port = evtchn;
@@ -943,7 +943,7 @@ static void unbind_from_irq(unsigned int irq)
 
         xen_free_irq(irq);
 
-        spin_unlock(&irq_mapping_update_lock);
+        mutex_unlock(&irq_mapping_update_lock);
 }
 
 int bind_evtchn_to_irqhandler(unsigned int evtchn,
@@ -1279,7 +1279,7 @@ void rebind_evtchn_irq(int evtchn, int irq)
            will also be masked. */
         disable_irq(irq);
 
-        spin_lock(&irq_mapping_update_lock);
+        mutex_lock(&irq_mapping_update_lock);
 
         /* After resume the irq<->evtchn mappings are all cleared out */
         BUG_ON(evtchn_to_irq[evtchn] != -1);
@@ -1289,7 +1289,7 @@ void rebind_evtchn_irq(int evtchn, int irq)
 
         xen_irq_info_evtchn_init(irq, evtchn);
 
-        spin_unlock(&irq_mapping_update_lock);
+        mutex_unlock(&irq_mapping_update_lock);
 
         /* new event channels are always bound to cpu 0 */
         irq_set_affinity(irq, cpumask_of(0));