105 files changed, 2450 insertions, 834 deletions
diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c
index c2917ffad2c2..34767a6d7f42 100644
--- a/drivers/char/ipmi/ipmi_watchdog.c
+++ b/drivers/char/ipmi/ipmi_watchdog.c
@@ -139,6 +139,8 @@
 #define IPMI_WDOG_SET_TIMER             0x24
 #define IPMI_WDOG_GET_TIMER             0x25
+#define IPMI_WDOG_TIMER_NOT_INIT_RESP   0x80
 /* These are here until the real ones get into the watchdog.h interface. */
 #ifndef WDIOC_GETTIMEOUT
 #define WDIOC_GETTIMEOUT        _IOW(WATCHDOG_IOCTL_BASE, 20, int)
@@ -596,6 +598,7 @@ static int ipmi_heartbeat(void)
        struct kernel_ipmi_msg            msg;
        int                               rv;
        struct ipmi_system_interface_addr addr;
+        int                               timeout_retries = 0;
        if (ipmi_ignore_heartbeat)
                return 0;
@@ -616,6 +619,7 @@ static int ipmi_heartbeat(void)
        mutex_lock(&heartbeat_lock);
+restart:
        atomic_set(&heartbeat_tofree, 2);
        /*
@@ -653,7 +657,33 @@ static int ipmi_heartbeat(void)
        /* Wait for the heartbeat to be sent. */
        wait_for_completion(&heartbeat_wait);
-        if (heartbeat_recv_msg.msg.data[0] != 0) {
+        if (heartbeat_recv_msg.msg.data[0] == IPMI_WDOG_TIMER_NOT_INIT_RESP)  {
+                timeout_retries++;
+                if (timeout_retries > 3) {
+                        printk(KERN_ERR PFX ": Unable to restore the IPMI"
+                               " watchdog's settings, giving up.\n");
+                        rv = -EIO;
+                        goto out_unlock;
+                }
+                /*
+                 * The timer was not initialized, that means the BMC was
+                 * probably reset and lost the watchdog information.  Attempt
+                 * to restore the timer's info.  Note that we still hold
+                 * the heartbeat lock, to keep a heartbeat from happening
+                 * in this process, so must say no heartbeat to avoid a
+                 * deadlock on this mutex.
+                 */
+                rv = ipmi_set_timeout(IPMI_SET_TIMEOUT_NO_HB);
+                if (rv) {
+                        printk(KERN_ERR PFX ": Unable to send the command to"
+                               " set the watchdog's settings, giving up.\n");
+                        goto out_unlock;
+                }
+                /* We might need a new heartbeat, so do it now */
+                goto restart;
+        } else if (heartbeat_recv_msg.msg.data[0] != 0) {
                /*
                 * Got an error in the heartbeat response.  It was already
                 * reported in ipmi_wdog_msg_handler, but we should return
@@ -662,6 +692,7 @@ static int ipmi_heartbeat(void)
                rv = -EINVAL;
        }
+out_unlock:
        mutex_unlock(&heartbeat_lock);
        return rv;
@@ -922,11 +953,15 @@ static struct miscdevice ipmi_wdog_miscdev = {
 static void ipmi_wdog_msg_handler(struct ipmi_recv_msg *msg,
                                  void                 *handler_data)
 {
-        if (msg->msg.data[0] != 0) {
+        if (msg->msg.cmd == IPMI_WDOG_RESET_TIMER &&
+                        msg->msg.data[0] == IPMI_WDOG_TIMER_NOT_INIT_RESP)
+                printk(KERN_INFO PFX "response: The IPMI controller appears"
+                       " to have been reset, will attempt to reinitialize"
+                       " the watchdog timer\n");
+        else if (msg->msg.data[0] != 0)
                printk(KERN_ERR PFX "response: Error %x on cmd %x\n",
                       msg->msg.data[0],
                       msg->msg.cmd);
-        }
        ipmi_free_recv_msg(msg);
 }
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 8cca91a93bde..dc279706ca70 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -390,6 +390,11 @@ extern int vmw_context_check(struct vmw_private *dev_priv,
                             struct ttm_object_file *tfile,
                             int id,
                             struct vmw_resource **p_res);
+extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
+                                  struct ttm_object_file *tfile,
+                                  uint32_t handle,
+                                  struct vmw_surface **out_surf,
+                                  struct vmw_dma_buffer **out_buf);
 extern void vmw_surface_res_free(struct vmw_resource *res);
 extern int vmw_surface_init(struct vmw_private *dev_priv,
                            struct vmw_surface *srf,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
index 03bbc2a6f9a7..a0c2f12b1e1b 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
@@ -33,6 +33,7 @@ bool vmw_fifo_have_3d(struct vmw_private *dev_priv)
 {
        __le32 __iomem *fifo_mem = dev_priv->mmio_virt;
        uint32_t fifo_min, hwversion;
+        const struct vmw_fifo_state *fifo = &dev_priv->fifo;
        if (!(dev_priv->capabilities & SVGA_CAP_EXTENDED_FIFO))
                return false;
@@ -41,7 +42,12 @@ bool vmw_fifo_have_3d(struct vmw_private *dev_priv)
        if (fifo_min <= SVGA_FIFO_3D_HWVERSION * sizeof(unsigned int))
                return false;
-        hwversion = ioread32(fifo_mem + SVGA_FIFO_3D_HWVERSION);
+        hwversion = ioread32(fifo_mem +
+                             ((fifo->capabilities &
+                               SVGA_FIFO_CAP_3D_HWVERSION_REVISED) ?
+                              SVGA_FIFO_3D_HWVERSION_REVISED :
+                              SVGA_FIFO_3D_HWVERSION));
        if (hwversion == 0)
                return false;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
index 5ff561d4e0b4..66917c6c3813 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
@@ -58,8 +58,14 @@ int vmw_getparam_ioctl(struct drm_device *dev, void *data,
        case DRM_VMW_PARAM_FIFO_HW_VERSION:
        {
                __le32 __iomem *fifo_mem = dev_priv->mmio_virt;
+                const struct vmw_fifo_state *fifo = &dev_priv->fifo;
-                param->value = ioread32(fifo_mem + SVGA_FIFO_3D_HWVERSION);
+                param->value =
+                        ioread32(fifo_mem +
+                                 ((fifo->capabilities &
+                                   SVGA_FIFO_CAP_3D_HWVERSION_REVISED) ?
+                                  SVGA_FIFO_3D_HWVERSION_REVISED :
+                                  SVGA_FIFO_3D_HWVERSION));
                break;
        }
        default:
@@ -166,13 +172,7 @@ int vmw_present_ioctl(struct drm_device *dev, void *data,
                ret = -EINVAL;
                goto out_no_fb;
        }
        vfb = vmw_framebuffer_to_vfb(obj_to_fb(obj));
-        if (!vfb->dmabuf) {
-                DRM_ERROR("Framebuffer not dmabuf backed.\n");
-                ret = -EINVAL;
-                goto out_no_fb;
-        }
        ret = ttm_read_lock(&vmaster->lock, true);
        if (unlikely(ret != 0))
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 37d40545ed77..8aa1dbb45c67 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -31,6 +31,44 @@
 /* Might need a hrtimer here? */
 #define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1)
+struct vmw_clip_rect {
+        int x1, x2, y1, y2;
+};
+/**
+ * Clip @num_rects number of @rects against @clip storing the
+ * results in @out_rects and the number of passed rects in @out_num.
+ */
+void vmw_clip_cliprects(struct drm_clip_rect *rects,
+                        int num_rects,
+                        struct vmw_clip_rect clip,
+                        SVGASignedRect *out_rects,
+                        int *out_num)
+{
+        int i, k;
+        for (i = 0, k = 0; i < num_rects; i++) {
+                int x1 = max_t(int, clip.x1, rects[i].x1);
+                int y1 = max_t(int, clip.y1, rects[i].y1);
+                int x2 = min_t(int, clip.x2, rects[i].x2);
+                int y2 = min_t(int, clip.y2, rects[i].y2);
+                if (x1 >= x2)
+                        continue;
+                if (y1 >= y2)
+                        continue;
+                out_rects[k].left   = x1;
+                out_rects[k].top    = y1;
+                out_rects[k].right  = x2;
+                out_rects[k].bottom = y2;
+                k++;
+        }
+        *out_num = k;
+}
 void vmw_display_unit_cleanup(struct vmw_display_unit *du)
 {
        if (du->cursor_surface)
@@ -82,6 +120,43 @@ int vmw_cursor_update_image(struct vmw_private *dev_priv,
        return 0;
 }
+int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
+                             struct vmw_dma_buffer *dmabuf,
+                             u32 width, u32 height,
+                             u32 hotspotX, u32 hotspotY)
+{
+        struct ttm_bo_kmap_obj map;
+        unsigned long kmap_offset;
+        unsigned long kmap_num;
+        void *virtual;
+        bool dummy;
+        int ret;
+        kmap_offset = 0;
+        kmap_num = (width*height*4 + PAGE_SIZE - 1) >> PAGE_SHIFT;
+        ret = ttm_bo_reserve(&dmabuf->base, true, false, false, 0);
+        if (unlikely(ret != 0)) {
+                DRM_ERROR("reserve failed\n");
+                return -EINVAL;
+        }
+        ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map);
+        if (unlikely(ret != 0))
+                goto err_unreserve;
+        virtual = ttm_kmap_obj_virtual(&map, &dummy);
+        ret = vmw_cursor_update_image(dev_priv, virtual, width, height,
+                                      hotspotX, hotspotY);
+        ttm_bo_kunmap(&map);
+err_unreserve:
+        ttm_bo_unreserve(&dmabuf->base);
+        return ret;
+}
 void vmw_cursor_update_position(struct vmw_private *dev_priv,
                                bool show, int x, int y)
 {
@@ -110,24 +185,21 @@ int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
                return -EINVAL;
        if (handle) {
-                ret = vmw_user_surface_lookup_handle(dev_priv, tfile,
+                ret = vmw_user_lookup_handle(dev_priv, tfile,
-                                                     handle, &surface);
+                                             handle, &surface, &dmabuf);
-                if (!ret) {
+                if (ret) {
-                        if (!surface->snooper.image) {
+                        DRM_ERROR("failed to find surface or dmabuf: %i\n", ret);
-                                DRM_ERROR("surface not suitable for cursor\n");
+                        return -EINVAL;
-                                vmw_surface_unreference(&surface);
-                                return -EINVAL;
-                        }
-                } else {
-                        ret = vmw_user_dmabuf_lookup(tfile,
-                                                     handle, &dmabuf);
-                        if (ret) {
-                                DRM_ERROR("failed to find surface or dmabuf: %i\n", ret);
-                                return -EINVAL;
-                        }
                }
        }
+        /* need to do this before taking down old image */
+        if (surface && !surface->snooper.image) {
+                DRM_ERROR("surface not suitable for cursor\n");
+                vmw_surface_unreference(&surface);
+                return -EINVAL;
+        }
        /* takedown old cursor */
        if (du->cursor_surface) {
                du->cursor_surface->snooper.crtc = NULL;
@@ -146,36 +218,11 @@ int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
                vmw_cursor_update_image(dev_priv, surface->snooper.image,
                                        64, 64, du->hotspot_x, du->hotspot_y);
        } else if (dmabuf) {
-                struct ttm_bo_kmap_obj map;
-                unsigned long kmap_offset;
-                unsigned long kmap_num;
-                void *virtual;
-                bool dummy;
                /* vmw_user_surface_lookup takes one reference */
                du->cursor_dmabuf = dmabuf;
-                kmap_offset = 0;
+                ret = vmw_cursor_update_dmabuf(dev_priv, dmabuf, width, height,
-                kmap_num = (64*64*4) >> PAGE_SHIFT;
+                                               du->hotspot_x, du->hotspot_y);
-                ret = ttm_bo_reserve(&dmabuf->base, true, false, false, 0);
-                if (unlikely(ret != 0)) {
-                        DRM_ERROR("reserve failed\n");
-                        return -EINVAL;
-                }
-                ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map);
-                if (unlikely(ret != 0))
-                        goto err_unreserve;
-                virtual = ttm_kmap_obj_virtual(&map, &dummy);
-                vmw_cursor_update_image(dev_priv, virtual, 64, 64,
-                                        du->hotspot_x, du->hotspot_y);
-                ttm_bo_kunmap(&map);
-err_unreserve:
-                ttm_bo_unreserve(&dmabuf->base);
        } else {
                vmw_cursor_update_position(dev_priv, false, 0, 0);
                return 0;
@@ -377,8 +424,9 @@ static int do_surface_dirty_sou(struct vmw_private *dev_priv,
                                struct drm_clip_rect *clips,
                                unsigned num_clips, int inc)
 {
-        struct drm_clip_rect *clips_ptr;
        struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
+        struct drm_clip_rect *clips_ptr;
+        struct drm_clip_rect *tmp;
        struct drm_crtc *crtc;
        size_t fifo_size;
        int i, num_units;
@@ -391,7 +439,6 @@ static int do_surface_dirty_sou(struct vmw_private *dev_priv,
        } *cmd;
        SVGASignedRect *blits;
        num_units = 0;
        list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list,
                            head) {
@@ -402,13 +449,24 @@ static int do_surface_dirty_sou(struct vmw_private *dev_priv,
        BUG_ON(!clips || !num_clips);
+        tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL);
+        if (unlikely(tmp == NULL)) {
+                DRM_ERROR("Temporary cliprect memory alloc failed.\n");
+                return -ENOMEM;
+        }
        fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips;
        cmd = kzalloc(fifo_size, GFP_KERNEL);
        if (unlikely(cmd == NULL)) {
                DRM_ERROR("Temporary fifo memory alloc failed.\n");
-                return -ENOMEM;
+                ret = -ENOMEM;
+                goto out_free_tmp;
        }
+        /* setup blits pointer */
+        blits = (SVGASignedRect *)&cmd[1];
+        /* initial clip region */
        left = clips->x1;
        right = clips->x2;
        top = clips->y1;
@@ -434,45 +492,60 @@ static int do_surface_dirty_sou(struct vmw_private *dev_priv,
        cmd->body.srcRect.bottom = bottom;
        clips_ptr = clips;
-        blits = (SVGASignedRect *)&cmd[1];
        for (i = 0; i < num_clips; i++, clips_ptr += inc) {
-                blits[i].left   = clips_ptr->x1 - left;
+                tmp[i].x1 = clips_ptr->x1 - left;
-                blits[i].right  = clips_ptr->x2 - left;
+                tmp[i].x2 = clips_ptr->x2 - left;
-                blits[i].top    = clips_ptr->y1 - top;
+                tmp[i].y1 = clips_ptr->y1 - top;
-                blits[i].bottom = clips_ptr->y2 - top;
+                tmp[i].y2 = clips_ptr->y2 - top;
        }
        /* do per unit writing, reuse fifo for each */
        for (i = 0; i < num_units; i++) {
                struct vmw_display_unit *unit = units[i];
-                int clip_x1 = left - unit->crtc.x;
+                struct vmw_clip_rect clip;
-                int clip_y1 = top - unit->crtc.y;
+                int num;
-                int clip_x2 = right - unit->crtc.x;
-                int clip_y2 = bottom - unit->crtc.y;
+                clip.x1 = left - unit->crtc.x;
+                clip.y1 = top - unit->crtc.y;
+                clip.x2 = right - unit->crtc.x;
+                clip.y2 = bottom - unit->crtc.y;
                /* skip any crtcs that misses the clip region */
-                if (clip_x1 >= unit->crtc.mode.hdisplay ||
+                if (clip.x1 >= unit->crtc.mode.hdisplay ||
-                    clip_y1 >= unit->crtc.mode.vdisplay ||
+                    clip.y1 >= unit->crtc.mode.vdisplay ||
-                    clip_x2 <= 0 || clip_y2 <= 0)
+                    clip.x2 <= 0 || clip.y2 <= 0)
                        continue;
+                /*
+                 * In order for the clip rects to be correctly scaled
+                 * the src and dest rects needs to be the same size.
+                 */
+                cmd->body.destRect.left = clip.x1;
+                cmd->body.destRect.right = clip.x2;
+                cmd->body.destRect.top = clip.y1;
+                cmd->body.destRect.bottom = clip.y2;
+                /* create a clip rect of the crtc in dest coords */
+                clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
+                clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
+                clip.x1 = 0 - clip.x1;
+                clip.y1 = 0 - clip.y1;
                /* need to reset sid as it is changed by execbuf */
                cmd->body.srcImage.sid = cpu_to_le32(framebuffer->user_handle);
                cmd->body.destScreenId = unit->unit;
-                /*
+                /* clip and write blits to cmd stream */
-                 * The blit command is a lot more resilient then the
+                vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
-                 * readback command when it comes to clip rects. So its
-                 * okay to go out of bounds.
-                 */
-                cmd->body.destRect.left = clip_x1;
+                /* if no cliprects hit skip this */
-                cmd->body.destRect.right = clip_x2;
+                if (num == 0)
-                cmd->body.destRect.top = clip_y1;
+                        continue;
-                cmd->body.destRect.bottom = clip_y2;
+                /* recalculate package length */
+                fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num;
+                cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
                ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
                                          fifo_size, 0, NULL);
@@ -480,7 +553,10 @@ static int do_surface_dirty_sou(struct vmw_private *dev_priv,
                        break;
        }
        kfree(cmd);
+out_free_tmp:
+        kfree(tmp);
        return ret;
 }
@@ -556,6 +632,10 @@ static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
         * Sanity checks.
         */
+        /* Surface must be marked as a scanout. */
+        if (unlikely(!surface->scanout))
+                return -EINVAL;
        if (unlikely(surface->mip_levels[0] != 1 ||
                     surface->num_sizes != 1 ||
                     surface->sizes[0].width < mode_cmd->width ||
@@ -782,6 +862,7 @@ static int do_dmabuf_dirty_sou(struct drm_file *file_priv,
                        int clip_y1 = clips_ptr->y1 - unit->crtc.y;
                        int clip_x2 = clips_ptr->x2 - unit->crtc.x;
                        int clip_y2 = clips_ptr->y2 - unit->crtc.y;
+                        int move_x, move_y;
                        /* skip any crtcs that misses the clip region */
                        if (clip_x1 >= unit->crtc.mode.hdisplay ||
@@ -789,12 +870,21 @@ static int do_dmabuf_dirty_sou(struct drm_file *file_priv,
                            clip_x2 <= 0 || clip_y2 <= 0)
                                continue;
+                        /* clip size to crtc size */
+                        clip_x2 = min_t(int, clip_x2, unit->crtc.mode.hdisplay);
+                        clip_y2 = min_t(int, clip_y2, unit->crtc.mode.vdisplay);
+                        /* translate both src and dest to bring clip into screen */
+                        move_x = min_t(int, clip_x1, 0);
+                        move_y = min_t(int, clip_y1, 0);
+                        /* actual translate done here */
                        blits[hit_num].header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN;
                        blits[hit_num].body.destScreenId = unit->unit;
-                        blits[hit_num].body.srcOrigin.x = clips_ptr->x1;
+                        blits[hit_num].body.srcOrigin.x = clips_ptr->x1 - move_x;
-                        blits[hit_num].body.srcOrigin.y = clips_ptr->y1;
+                        blits[hit_num].body.srcOrigin.y = clips_ptr->y1 - move_y;
-                        blits[hit_num].body.destRect.left = clip_x1;
+                        blits[hit_num].body.destRect.left = clip_x1 - move_x;
-                        blits[hit_num].body.destRect.top = clip_y1;
+                        blits[hit_num].body.destRect.top = clip_y1 - move_y;
                        blits[hit_num].body.destRect.right = clip_x2;
                        blits[hit_num].body.destRect.bottom = clip_y2;
                        hit_num++;
@@ -1033,46 +1123,29 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
                return ERR_PTR(-ENOENT);
        }
-        /**
+        /* returns either a dmabuf or surface */
-         * End conditioned code.
+        ret = vmw_user_lookup_handle(dev_priv, tfile,
-         */
+                                     mode_cmd->handle,
+                                     &surface, &bo);
-        ret = vmw_user_surface_lookup_handle(dev_priv, tfile,
-                                             mode_cmd->handle, &surface);
        if (ret)
-                goto try_dmabuf;
+                goto err_out;
-        if (!surface->scanout)
+        /* Create the new framebuffer depending one what we got back */
-                goto err_not_scanout;
+        if (bo)
+                ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb,
-        ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv, surface,
+                                                     mode_cmd);
-                                              &vfb, mode_cmd);
+        else if (surface)
+                ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv,
-        /* vmw_user_surface_lookup takes one ref so does new_fb */
+                                                      surface, &vfb, mode_cmd);
-        vmw_surface_unreference(&surface);
+        else
+                BUG();
-        if (ret) {
-                DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
-                ttm_base_object_unref(&user_obj);
-                return ERR_PTR(ret);
-        } else
-                vfb->user_obj = user_obj;
-        return &vfb->base;
-try_dmabuf:
-        DRM_INFO("%s: trying buffer\n", __func__);
-        ret = vmw_user_dmabuf_lookup(tfile, mode_cmd->handle, &bo);
-        if (ret) {
-                DRM_ERROR("failed to find buffer: %i\n", ret);
-                return ERR_PTR(-ENOENT);
-        }
-        ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb,
-                                             mode_cmd);
-        /* vmw_user_dmabuf_lookup takes one ref so does new_fb */
+err_out:
-        vmw_dmabuf_unreference(&bo);
+        /* vmw_user_lookup_handle takes one ref so does new_fb */
+        if (bo)
+                vmw_dmabuf_unreference(&bo);
+        if (surface)
+                vmw_surface_unreference(&surface);
        if (ret) {
                DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
@@ -1082,14 +1155,6 @@ try_dmabuf:
                vfb->user_obj = user_obj;
        return &vfb->base;
-err_not_scanout:
-        DRM_ERROR("surface not marked as scanout\n");
-        /* vmw_user_surface_lookup takes one ref */
-        vmw_surface_unreference(&surface);
-        ttm_base_object_unref(&user_obj);
-        return ERR_PTR(-EINVAL);
 }
 static struct drm_mode_config_funcs vmw_kms_funcs = {
@@ -1106,10 +1171,12 @@ int vmw_kms_present(struct vmw_private *dev_priv,
                    uint32_t num_clips)
 {
        struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
+        struct drm_clip_rect *tmp;
        struct drm_crtc *crtc;
        size_t fifo_size;
        int i, k, num_units;
        int ret = 0; /* silence warning */
+        int left, right, top, bottom;
        struct {
                SVGA3dCmdHeader header;
@@ -1127,60 +1194,95 @@ int vmw_kms_present(struct vmw_private *dev_priv,
        BUG_ON(surface == NULL);
        BUG_ON(!clips || !num_clips);
+        tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL);
+        if (unlikely(tmp == NULL)) {
+                DRM_ERROR("Temporary cliprect memory alloc failed.\n");
+                return -ENOMEM;
+        }
        fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips;
        cmd = kmalloc(fifo_size, GFP_KERNEL);
        if (unlikely(cmd == NULL)) {
                DRM_ERROR("Failed to allocate temporary fifo memory.\n");
-                return -ENOMEM;
+                ret = -ENOMEM;
+                goto out_free_tmp;
+        }
+        left = clips->x;
+        right = clips->x + clips->w;
+        top = clips->y;
+        bottom = clips->y + clips->h;
+        for (i = 1; i < num_clips; i++) {
+                left = min_t(int, left, (int)clips[i].x);
+                right = max_t(int, right, (int)clips[i].x + clips[i].w);
+                top = min_t(int, top, (int)clips[i].y);
+                bottom = max_t(int, bottom, (int)clips[i].y + clips[i].h);
        }
        /* only need to do this once */
        memset(cmd, 0, fifo_size);
        cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
-        cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
-        cmd->body.srcRect.left = 0;
-        cmd->body.srcRect.right = surface->sizes[0].width;
-        cmd->body.srcRect.top = 0;
-        cmd->body.srcRect.bottom = surface->sizes[0].height;
        blits = (SVGASignedRect *)&cmd[1];
+        cmd->body.srcRect.left = left;
+        cmd->body.srcRect.right = right;
+        cmd->body.srcRect.top = top;
+        cmd->body.srcRect.bottom = bottom;
        for (i = 0; i < num_clips; i++) {
-                blits[i].left   = clips[i].x;
+                tmp[i].x1 = clips[i].x - left;
-                blits[i].right  = clips[i].x + clips[i].w;
+                tmp[i].x2 = clips[i].x + clips[i].w - left;
-                blits[i].top    = clips[i].y;
+                tmp[i].y1 = clips[i].y - top;
-                blits[i].bottom = clips[i].y + clips[i].h;
+                tmp[i].y2 = clips[i].y + clips[i].h - top;
        }
        for (k = 0; k < num_units; k++) {
                struct vmw_display_unit *unit = units[k];
-                int clip_x1 = destX - unit->crtc.x;
+                struct vmw_clip_rect clip;
-                int clip_y1 = destY - unit->crtc.y;
+                int num;
-                int clip_x2 = clip_x1 + surface->sizes[0].width;
-                int clip_y2 = clip_y1 + surface->sizes[0].height;
+                clip.x1 = left + destX - unit->crtc.x;
+                clip.y1 = top + destY - unit->crtc.y;
+                clip.x2 = right + destX - unit->crtc.x;
+                clip.y2 = bottom + destY - unit->crtc.y;
                /* skip any crtcs that misses the clip region */
-                if (clip_x1 >= unit->crtc.mode.hdisplay ||
+                if (clip.x1 >= unit->crtc.mode.hdisplay ||
-                    clip_y1 >= unit->crtc.mode.vdisplay ||
+                    clip.y1 >= unit->crtc.mode.vdisplay ||
-                    clip_x2 <= 0 || clip_y2 <= 0)
+                    clip.x2 <= 0 || clip.y2 <= 0)
                        continue;
+                /*
+                 * In order for the clip rects to be correctly scaled
+                 * the src and dest rects needs to be the same size.
+                 */
+                cmd->body.destRect.left = clip.x1;
+                cmd->body.destRect.right = clip.x2;
+                cmd->body.destRect.top = clip.y1;
+                cmd->body.destRect.bottom = clip.y2;
+                /* create a clip rect of the crtc in dest coords */
+                clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
+                clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
+                clip.x1 = 0 - clip.x1;
+                clip.y1 = 0 - clip.y1;
                /* need to reset sid as it is changed by execbuf */
                cmd->body.srcImage.sid = sid;
                cmd->body.destScreenId = unit->unit;
-                /*
+                /* clip and write blits to cmd stream */
-                 * The blit command is a lot more resilient then the
+                vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
-                 * readback command when it comes to clip rects. So its
-                 * okay to go out of bounds.
-                 */
-                cmd->body.destRect.left = clip_x1;
+                /* if no cliprects hit skip this */
-                cmd->body.destRect.right = clip_x2;
+                if (num == 0)
-                cmd->body.destRect.top = clip_y1;
+                        continue;
-                cmd->body.destRect.bottom = clip_y2;
+                /* recalculate package length */
+                fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num;
+                cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
                ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
                                          fifo_size, 0, NULL);
@@ -1189,6 +1291,8 @@ int vmw_kms_present(struct vmw_private *dev_priv,
        }
        kfree(cmd);
+out_free_tmp:
+        kfree(tmp);
        return ret;
 }
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
index af8e6e5bd964..e1cb8556355f 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
@@ -62,9 +62,14 @@ struct vmw_framebuffer {
 int vmw_cursor_update_image(struct vmw_private *dev_priv,
                            u32 *image, u32 width, u32 height,
                            u32 hotspotX, u32 hotspotY);
+int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
+                             struct vmw_dma_buffer *dmabuf,
+                             u32 width, u32 height,
+                             u32 hotspotX, u32 hotspotY);
 void vmw_cursor_update_position(struct vmw_private *dev_priv,
                                bool show, int x, int y);
 /**
 * Base class display unit.
 *
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
index 90c5e3928491..8f8dbd43c33d 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
@@ -74,9 +74,10 @@ static int vmw_ldu_commit_list(struct vmw_private *dev_priv)
 {
        struct vmw_legacy_display *lds = dev_priv->ldu_priv;
        struct vmw_legacy_display_unit *entry;
+        struct vmw_display_unit *du = NULL;
        struct drm_framebuffer *fb = NULL;
        struct drm_crtc *crtc = NULL;
-        int i = 0;
+        int i = 0, ret;
        /* If there is no display topology the host just assumes
         * that the guest will set the same layout as the host.
@@ -129,6 +130,25 @@ static int vmw_ldu_commit_list(struct vmw_private *dev_priv)
        lds->last_num_active = lds->num_active;
+        /* Find the first du with a cursor. */
+        list_for_each_entry(entry, &lds->active, active) {
+                du = &entry->base;
+                if (!du->cursor_dmabuf)
+                        continue;
+                ret = vmw_cursor_update_dmabuf(dev_priv,
+                                               du->cursor_dmabuf,
+                                               64, 64,
+                                               du->hotspot_x,
+                                               du->hotspot_y);
+                if (ret == 0)
+                        break;
+                DRM_ERROR("Could not update cursor image\n");
+        }
        return 0;
 }
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index 86c5e4cceb31..1c7f09e26819 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -1190,6 +1190,29 @@ void vmw_resource_unreserve(struct list_head *list)
                write_unlock(lock);
 }
+/**
+ * Helper function that looks either a surface or dmabuf.
+ *
+ * The pointer this pointed at by out_surf and out_buf needs to be null.
+ */
+int vmw_user_lookup_handle(struct vmw_private *dev_priv,
+                           struct ttm_object_file *tfile,
+                           uint32_t handle,
+                           struct vmw_surface **out_surf,
+                           struct vmw_dma_buffer **out_buf)
+{
+        int ret;
+        BUG_ON(*out_surf || *out_buf);
+        ret = vmw_user_surface_lookup_handle(dev_priv, tfile, handle, out_surf);
+        if (!ret)
+                return 0;
+        ret = vmw_user_dmabuf_lookup(tfile, handle, out_buf);
+        return ret;
+}
 int vmw_user_surface_lookup_handle(struct vmw_private *dev_priv,
                                   struct ttm_object_file *tfile,
diff --git a/drivers/i2c/busses/i2c-eg20t.c b/drivers/i2c/busses/i2c-eg20t.c
index 8cebef49aeac..18936ac9d51c 100644
--- a/drivers/i2c/busses/i2c-eg20t.c
+++ b/drivers/i2c/busses/i2c-eg20t.c
@@ -893,6 +893,13 @@ static int __devinit pch_i2c_probe(struct pci_dev *pdev,
        /* Set the number of I2C channel instance */
        adap_info->ch_num = id->driver_data;
+        ret = request_irq(pdev->irq, pch_i2c_handler, IRQF_SHARED,
+                  KBUILD_MODNAME, adap_info);
+        if (ret) {
+                pch_pci_err(pdev, "request_irq FAILED\n");
+                goto err_request_irq;
+        }
        for (i = 0; i < adap_info->ch_num; i++) {
                pch_adap = &adap_info->pch_data[i].pch_adapter;
                adap_info->pch_i2c_suspended = false;
@@ -910,28 +917,23 @@ static int __devinit pch_i2c_probe(struct pci_dev *pdev,
                pch_adap->dev.parent = &pdev->dev;
+                pch_i2c_init(&adap_info->pch_data[i]);
                ret = i2c_add_adapter(pch_adap);
                if (ret) {
                        pch_pci_err(pdev, "i2c_add_adapter[ch:%d] FAILED\n", i);
-                        goto err_i2c_add_adapter;
+                        goto err_add_adapter;
                }
-                pch_i2c_init(&adap_info->pch_data[i]);
-        }
-        ret = request_irq(pdev->irq, pch_i2c_handler, IRQF_SHARED,
-                  KBUILD_MODNAME, adap_info);
-        if (ret) {
-                pch_pci_err(pdev, "request_irq FAILED\n");
-                goto err_i2c_add_adapter;
        }
        pci_set_drvdata(pdev, adap_info);
        pch_pci_dbg(pdev, "returns %d.\n", ret);
        return 0;
-err_i2c_add_adapter:
+err_add_adapter:
        for (j = 0; j < i; j++)
                i2c_del_adapter(&adap_info->pch_data[j].pch_adapter);
+        free_irq(pdev->irq, adap_info);
+err_request_irq:
        pci_iounmap(pdev, base_addr);
 err_pci_iomap:
        pci_release_regions(pdev);
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index a43d0023446a..fa23faa20f0e 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -1047,13 +1047,14 @@ omap_i2c_probe(struct platform_device *pdev)
                 * size. This is to ensure that we can handle the status on int
                 * call back latencies.
                 */
-                if (dev->rev >= OMAP_I2C_REV_ON_3530_4430) {
-                        dev->fifo_size = 0;
+                dev->fifo_size = (dev->fifo_size / 2);
+                if (dev->rev >= OMAP_I2C_REV_ON_3530_4430)
                        dev->b_hw = 0; /* Disable hardware fixes */
-                } else {
+                else
-                        dev->fifo_size = (dev->fifo_size / 2);
                        dev->b_hw = 1; /* Enable hardware fixes */
-                }
                /* calculate wakeup latency constraint for MPU */
                if (dev->set_mpu_wkup_lat != NULL)
                        dev->latency = (1000000 * dev->fifo_size) /
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 2754cef86a06..4c1718081685 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -534,6 +534,7 @@ static int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c,
        /* first, try busy waiting briefly */
        do {
+                cpu_relax();
                iicstat = readl(i2c->regs + S3C2410_IICSTAT);
        } while ((iicstat & S3C2410_IICSTAT_START) && --spins);
@@ -786,7 +787,7 @@ static void s3c24xx_i2c_dt_gpio_free(struct s3c24xx_i2c *i2c)
 #else
 static int s3c24xx_i2c_parse_dt_gpio(struct s3c24xx_i2c *i2c)
 {
-        return -EINVAL;
+        return 0;
 }
 static void s3c24xx_i2c_dt_gpio_free(struct s3c24xx_i2c *i2c)
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 75ff821c0af0..d0d4aa9f4802 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -2513,6 +2513,9 @@ static int cma_resolve_ib_udp(struct rdma_id_private *id_priv,
        req.private_data_len = sizeof(struct cma_hdr) +
                               conn_param->private_data_len;
+        if (req.private_data_len < conn_param->private_data_len)
+                return -EINVAL;
        req.private_data = kzalloc(req.private_data_len, GFP_ATOMIC);
        if (!req.private_data)
                return -ENOMEM;
@@ -2562,6 +2565,9 @@ static int cma_connect_ib(struct rdma_id_private *id_priv,
        memset(&req, 0, sizeof req);
        offset = cma_user_data_offset(id_priv->id.ps);
        req.private_data_len = offset + conn_param->private_data_len;
+        if (req.private_data_len < conn_param->private_data_len)
+                return -EINVAL;
        private_data = kzalloc(req.private_data_len, GFP_ATOMIC);
        if (!private_data)
                return -ENOMEM;
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 77f3dbc0aaa1..18836cdf1e10 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -1244,7 +1244,8 @@ err_reg:
 err_counter:
        for (; i; --i)
-                mlx4_counter_free(ibdev->dev, ibdev->counters[i - 1]);
+                if (ibdev->counters[i - 1] != -1)
+                        mlx4_counter_free(ibdev->dev, ibdev->counters[i - 1]);
 err_map:
        iounmap(ibdev->uar_map);
@@ -1275,7 +1276,8 @@ static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr)
        }
        iounmap(ibdev->uar_map);
        for (p = 0; p < ibdev->num_ports; ++p)
-                mlx4_counter_free(ibdev->dev, ibdev->counters[p]);
+                if (ibdev->counters[p] != -1)
+                        mlx4_counter_free(ibdev->dev, ibdev->counters[p]);
        mlx4_foreach_port(p, dev, MLX4_PORT_TYPE_IB)
                mlx4_CLOSE_PORT(dev, p);
diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c
index 574600ef5b42..a7403248d83d 100644
--- a/drivers/infiniband/hw/qib/qib_file_ops.c
+++ b/drivers/infiniband/hw/qib/qib_file_ops.c
@@ -1285,7 +1285,7 @@ static int setup_ctxt(struct qib_pportdata *ppd, int ctxt,
        strlcpy(rcd->comm, current->comm, sizeof(rcd->comm));
        ctxt_fp(fp) = rcd;
        qib_stats.sps_ctxts++;
-        dd->freectxts++;
+        dd->freectxts--;
        ret = 0;
        goto bail;
@@ -1794,7 +1794,7 @@ static int qib_close(struct inode *in, struct file *fp)
                if (dd->pageshadow)
                        unlock_expected_tids(rcd);
                qib_stats.sps_ctxts--;
-                dd->freectxts--;
+                dd->freectxts++;
        }
        mutex_unlock(&qib_mutex);
diff --git a/drivers/input/misc/cma3000_d0x.c b/drivers/input/misc/cma3000_d0x.c
index 80793f1608eb..06517e60e50c 100644
--- a/drivers/input/misc/cma3000_d0x.c
+++ b/drivers/input/misc/cma3000_d0x.c
@@ -115,8 +115,8 @@ static void decode_mg(struct cma3000_accl_data *data, int *datax,
 static irqreturn_t cma3000_thread_irq(int irq, void *dev_id)
 {
        struct cma3000_accl_data *data = dev_id;
-        int datax, datay, dataz;
+        int datax, datay, dataz, intr_status;
-        u8 ctrl, mode, range, intr_status;
+        u8 ctrl, mode, range;
        intr_status = CMA3000_READ(data, CMA3000_INTSTATUS, "interrupt status");
        if (intr_status < 0)
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index c080b828e5dc..a6dcd18e9adf 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -24,6 +24,7 @@
 */
 #include <linux/module.h>
+#include <linux/delay.h>
 #include <linux/dmi.h>
 #include <linux/input/mt.h>
 #include <linux/serio.h>
@@ -1220,6 +1221,16 @@ static int synaptics_reconnect(struct psmouse *psmouse)
        do {
                psmouse_reset(psmouse);
+                if (retry) {
+                        /*
+                         * On some boxes, right after resuming, the touchpad
+                         * needs some time to finish initializing (I assume
+                         * it needs time to calibrate) and start responding
+                         * to Synaptics-specific queries, so let's wait a
+                         * bit.
+                         */
+                        ssleep(1);
+                }
                error = synaptics_detect(psmouse, 0);
        } while (error && ++retry < 3);
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index da0d8761e778..2ee47d01a3b4 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -1470,6 +1470,9 @@ static const struct wacom_features wacom_features_0xE3 =
 static const struct wacom_features wacom_features_0xE6 =
        { "Wacom ISDv4 E6",       WACOM_PKGLEN_TPC2FG,    27760, 15694,  255,
          0, TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
+static const struct wacom_features wacom_features_0xEC =
+        { "Wacom ISDv4 EC",       WACOM_PKGLEN_GRAPHIRE,  25710, 14500,  255,
+          0, TABLETPC,    WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x47 =
        { "Wacom Intuos2 6x8",    WACOM_PKGLEN_INTUOS,    20320, 16240, 1023,
          31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
@@ -1611,6 +1614,7 @@ const struct usb_device_id wacom_ids[] = {
        { USB_DEVICE_WACOM(0xE2) },
        { USB_DEVICE_WACOM(0xE3) },
        { USB_DEVICE_WACOM(0xE6) },
+        { USB_DEVICE_WACOM(0xEC) },
        { USB_DEVICE_WACOM(0x47) },
        { USB_DEVICE_LENOVO(0x6004) },
        { }
diff --git a/drivers/media/common/tuners/mxl5007t.c b/drivers/media/common/tuners/mxl5007t.c
index 7eb1bf75cd07..5d02221e99dd 100644
--- a/drivers/media/common/tuners/mxl5007t.c
+++ b/drivers/media/common/tuners/mxl5007t.c
@@ -488,9 +488,10 @@ static int mxl5007t_write_regs(struct mxl5007t_state *state,
 static int mxl5007t_read_reg(struct mxl5007t_state *state, u8 reg, u8 *val)
 {
+        u8 buf[2] = { 0xfb, reg };
        struct i2c_msg msg[] = {
                { .addr = state->i2c_props.addr, .flags = 0,
-                  .buf = &reg, .len = 1 },
+                  .buf = buf, .len = 2 },
                { .addr = state->i2c_props.addr, .flags = I2C_M_RD,
                  .buf = val, .len = 1 },
        };
diff --git a/drivers/media/common/tuners/tda18218.c b/drivers/media/common/tuners/tda18218.c
index aacfe2387e28..4fc29730a12c 100644
--- a/drivers/media/common/tuners/tda18218.c
+++ b/drivers/media/common/tuners/tda18218.c
@@ -141,7 +141,7 @@ static int tda18218_set_params(struct dvb_frontend *fe,
        switch (params->u.ofdm.bandwidth) {
        case BANDWIDTH_6_MHZ:
                LP_Fc = 0;
-                LO_Frac = params->frequency + 4000000;
+                LO_Frac = params->frequency + 3000000;
                break;
        case BANDWIDTH_7_MHZ:
                LP_Fc = 1;
diff --git a/drivers/media/rc/ati_remote.c b/drivers/media/rc/ati_remote.c
index 303f22ea04c0..01bb8daf4b09 100644
--- a/drivers/media/rc/ati_remote.c
+++ b/drivers/media/rc/ati_remote.c
@@ -189,7 +189,7 @@ struct ati_remote {
        dma_addr_t inbuf_dma;
        dma_addr_t outbuf_dma;
-        unsigned char old_data[2];  /* Detect duplicate events */
+        unsigned char old_data;     /* Detect duplicate events */
        unsigned long old_jiffies;
        unsigned long acc_jiffies;  /* handle acceleration */
        unsigned long first_jiffies;
@@ -221,35 +221,35 @@ struct ati_remote {
 /* Translation table from hardware messages to input events. */
 static const struct {
        short kind;
-        unsigned char data1, data2;
+        unsigned char data;
        int type;
        unsigned int code;
        int value;
 }  ati_remote_tbl[] = {
        /* Directional control pad axes */
-        {KIND_ACCEL,   0x35, 0x70, EV_REL, REL_X, -1},   /* left */
+        {KIND_ACCEL,   0x70, EV_REL, REL_X, -1},   /* left */
-        {KIND_ACCEL,   0x36, 0x71, EV_REL, REL_X, 1},    /* right */
+        {KIND_ACCEL,   0x71, EV_REL, REL_X, 1},    /* right */
-        {KIND_ACCEL,   0x37, 0x72, EV_REL, REL_Y, -1},   /* up */
+        {KIND_ACCEL,   0x72, EV_REL, REL_Y, -1},   /* up */
-        {KIND_ACCEL,   0x38, 0x73, EV_REL, REL_Y, 1},    /* down */
+        {KIND_ACCEL,   0x73, EV_REL, REL_Y, 1},    /* down */
        /* Directional control pad diagonals */
-        {KIND_LU,      0x39, 0x74, EV_REL, 0, 0},        /* left up */
+        {KIND_LU,      0x74, EV_REL, 0, 0},        /* left up */
-        {KIND_RU,      0x3a, 0x75, EV_REL, 0, 0},        /* right up */
+        {KIND_RU,      0x75, EV_REL, 0, 0},        /* right up */
-        {KIND_LD,      0x3c, 0x77, EV_REL, 0, 0},        /* left down */
+        {KIND_LD,      0x77, EV_REL, 0, 0},        /* left down */
-        {KIND_RD,      0x3b, 0x76, EV_REL, 0, 0},        /* right down */
+        {KIND_RD,      0x76, EV_REL, 0, 0},        /* right down */
        /* "Mouse button" buttons */
-        {KIND_LITERAL, 0x3d, 0x78, EV_KEY, BTN_LEFT, 1}, /* left btn down */
+        {KIND_LITERAL, 0x78, EV_KEY, BTN_LEFT, 1}, /* left btn down */
-        {KIND_LITERAL, 0x3e, 0x79, EV_KEY, BTN_LEFT, 0}, /* left btn up */
+        {KIND_LITERAL, 0x79, EV_KEY, BTN_LEFT, 0}, /* left btn up */
-        {KIND_LITERAL, 0x41, 0x7c, EV_KEY, BTN_RIGHT, 1},/* right btn down */
+        {KIND_LITERAL, 0x7c, EV_KEY, BTN_RIGHT, 1},/* right btn down */
-        {KIND_LITERAL, 0x42, 0x7d, EV_KEY, BTN_RIGHT, 0},/* right btn up */
+        {KIND_LITERAL, 0x7d, EV_KEY, BTN_RIGHT, 0},/* right btn up */
        /* Artificial "doubleclick" events are generated by the hardware.
         * They are mapped to the "side" and "extra" mouse buttons here. */
-        {KIND_FILTERED, 0x3f, 0x7a, EV_KEY, BTN_SIDE, 1}, /* left dblclick */
+        {KIND_FILTERED, 0x7a, EV_KEY, BTN_SIDE, 1}, /* left dblclick */
-        {KIND_FILTERED, 0x43, 0x7e, EV_KEY, BTN_EXTRA, 1},/* right dblclick */
+        {KIND_FILTERED, 0x7e, EV_KEY, BTN_EXTRA, 1},/* right dblclick */
        /* Non-mouse events are handled by rc-core */
-        {KIND_END, 0x00, 0x00, EV_MAX + 1, 0, 0}
+        {KIND_END, 0x00, EV_MAX + 1, 0, 0}
 };
 /* Local function prototypes */
@@ -397,25 +397,6 @@ static int ati_remote_sendpacket(struct ati_remote *ati_remote, u16 cmd, unsigne
 }
 /*
- *      ati_remote_event_lookup
- */
-static int ati_remote_event_lookup(int rem, unsigned char d1, unsigned char d2)
-{
-        int i;
-        for (i = 0; ati_remote_tbl[i].kind != KIND_END; i++) {
-                /*
-                 * Decide if the table entry matches the remote input.
-                 */
-                if (ati_remote_tbl[i].data1 == d1 &&
-                    ati_remote_tbl[i].data2 == d2)
-                        return i;
-        }
-        return -1;
-}
-/*
 *      ati_remote_compute_accel
 *
 * Implements acceleration curve for directional control pad
@@ -463,7 +444,15 @@ static void ati_remote_input_report(struct urb *urb)
        int index = -1;
        int acc;
        int remote_num;
-        unsigned char scancode[2];
+        unsigned char scancode;
+        int i;
+        /*
+         * data[0] = 0x14
+         * data[1] = data[2] + data[3] + 0xd5 (a checksum byte)
+         * data[2] = the key code (with toggle bit in MSB with some models)
+         * data[3] = channel << 4 (the low 4 bits must be zero)
+         */
        /* Deal with strange looking inputs */
        if ( (urb->actual_length != 4) || (data[0] != 0x14) ||
@@ -472,6 +461,13 @@ static void ati_remote_input_report(struct urb *urb)
                return;
        }
+        if (data[1] != ((data[2] + data[3] + 0xd5) & 0xff)) {
+                dbginfo(&ati_remote->interface->dev,
+                        "wrong checksum in input: %02x %02x %02x %02x\n",
+                        data[0], data[1], data[2], data[3]);
+                return;
+        }
        /* Mask unwanted remote channels.  */
        /* note: remote_num is 0-based, channel 1 on remote == 0 here */
        remote_num = (data[3] >> 4) & 0x0f;
@@ -482,31 +478,30 @@ static void ati_remote_input_report(struct urb *urb)
                return;
        }
-        scancode[0] = (((data[1] - ((remote_num + 1) << 4)) & 0xf0) | (data[1] & 0x0f));
        /*
-         * Some devices (e.g. SnapStream Firefly) use 8080 as toggle code,
+         * MSB is a toggle code, though only used by some devices
-         * so we have to clear them. The first bit is a bit tricky as the
+         * (e.g. SnapStream Firefly)
-         * "non-toggled" state depends on remote_num, so we xor it with the
-         * second bit which is only used for toggle.
         */
-        scancode[0] ^= (data[2] & 0x80);
+        scancode = data[2] & 0x7f;
-        scancode[1] = data[2] & ~0x80;
-        /* Look up event code index in mouse translation table. */
+        /* Look up event code index in the mouse translation table. */
-        index = ati_remote_event_lookup(remote_num, scancode[0], scancode[1]);
+        for (i = 0; ati_remote_tbl[i].kind != KIND_END; i++) {
+                if (scancode == ati_remote_tbl[i].data) {
+                        index = i;
+                        break;
+                }
+        }
        if (index >= 0) {
                dbginfo(&ati_remote->interface->dev,
-                        "channel 0x%02x; mouse data %02x,%02x; index %d; keycode %d\n",
+                        "channel 0x%02x; mouse data %02x; index %d; keycode %d\n",
-                        remote_num, data[1], data[2], index, ati_remote_tbl[index].code);
+                        remote_num, data[2], index, ati_remote_tbl[index].code);
                if (!dev)
                        return; /* no mouse device */
        } else
                dbginfo(&ati_remote->interface->dev,
-                        "channel 0x%02x; key data %02x,%02x, scancode %02x,%02x\n",
+                        "channel 0x%02x; key data %02x, scancode %02x\n",
-                        remote_num, data[1], data[2], scancode[0], scancode[1]);
+                        remote_num, data[2], scancode);
        if (index >= 0 && ati_remote_tbl[index].kind == KIND_LITERAL) {
@@ -523,8 +518,7 @@ static void ati_remote_input_report(struct urb *urb)
                unsigned long now = jiffies;
                /* Filter duplicate events which happen "too close" together. */
-                if (ati_remote->old_data[0] == data[1] &&
+                if (ati_remote->old_data == data[2] &&
-                    ati_remote->old_data[1] == data[2] &&
                    time_before(now, ati_remote->old_jiffies +
                                     msecs_to_jiffies(repeat_filter))) {
                        ati_remote->repeat_count++;
@@ -533,8 +527,7 @@ static void ati_remote_input_report(struct urb *urb)
                        ati_remote->first_jiffies = now;
                }
-                ati_remote->old_data[0] = data[1];
+                ati_remote->old_data = data[2];
-                ati_remote->old_data[1] = data[2];
                ati_remote->old_jiffies = now;
                /* Ensure we skip at least the 4 first duplicate events (generated
@@ -549,14 +542,13 @@ static void ati_remote_input_report(struct urb *urb)
                if (index < 0) {
                        /* Not a mouse event, hand it to rc-core. */
-                        u32 rc_code = (scancode[0] << 8) | scancode[1];
                        /*
                         * We don't use the rc-core repeat handling yet as
                         * it would cause ghost repeats which would be a
                         * regression for this driver.
                         */
-                        rc_keydown_notimeout(ati_remote->rdev, rc_code,
+                        rc_keydown_notimeout(ati_remote->rdev, scancode,
                                             data[2]);
                        rc_keyup(ati_remote->rdev);
                        return;
@@ -607,8 +599,7 @@ static void ati_remote_input_report(struct urb *urb)
                input_sync(dev);
                ati_remote->old_jiffies = jiffies;
-                ati_remote->old_data[0] = data[1];
+                ati_remote->old_data = data[2];
-                ati_remote->old_data[1] = data[2];
        }
 }
diff --git a/drivers/media/rc/keymaps/rc-ati-x10.c b/drivers/media/rc/keymaps/rc-ati-x10.c
index e1b8b2605c48..81506440eded 100644
--- a/drivers/media/rc/keymaps/rc-ati-x10.c
+++ b/drivers/media/rc/keymaps/rc-ati-x10.c
@@ -27,55 +27,55 @@
 #include <media/rc-map.h>
 static struct rc_map_table ati_x10[] = {
-        { 0xd20d, KEY_1 },
+        { 0x0d, KEY_1 },
-        { 0xd30e, KEY_2 },
+        { 0x0e, KEY_2 },
-        { 0xd40f, KEY_3 },
+        { 0x0f, KEY_3 },
-        { 0xd510, KEY_4 },
+        { 0x10, KEY_4 },
-        { 0xd611, KEY_5 },
+        { 0x11, KEY_5 },
-        { 0xd712, KEY_6 },
+        { 0x12, KEY_6 },
-        { 0xd813, KEY_7 },
+        { 0x13, KEY_7 },
-        { 0xd914, KEY_8 },
+        { 0x14, KEY_8 },
-        { 0xda15, KEY_9 },
+        { 0x15, KEY_9 },
-        { 0xdc17, KEY_0 },
+        { 0x17, KEY_0 },
-        { 0xc500, KEY_A },
+        { 0x00, KEY_A },
-        { 0xc601, KEY_B },
+        { 0x01, KEY_B },
-        { 0xde19, KEY_C },
+        { 0x19, KEY_C },
-        { 0xe01b, KEY_D },
+        { 0x1b, KEY_D },
-        { 0xe621, KEY_E },
+        { 0x21, KEY_E },
-        { 0xe823, KEY_F },
+        { 0x23, KEY_F },
-        { 0xdd18, KEY_KPENTER },    /* "check" */
+        { 0x18, KEY_KPENTER },    /* "check" */
-        { 0xdb16, KEY_MENU },       /* "menu" */
+        { 0x16, KEY_MENU },       /* "menu" */
-        { 0xc702, KEY_POWER },      /* Power */
+        { 0x02, KEY_POWER },      /* Power */
-        { 0xc803, KEY_TV },         /* TV */
+        { 0x03, KEY_TV },         /* TV */
-        { 0xc904, KEY_DVD },        /* DVD */
+        { 0x04, KEY_DVD },        /* DVD */
-        { 0xca05, KEY_WWW },        /* WEB */
+        { 0x05, KEY_WWW },        /* WEB */
-        { 0xcb06, KEY_BOOKMARKS },  /* "book" */
+        { 0x06, KEY_BOOKMARKS },  /* "book" */
-        { 0xcc07, KEY_EDIT },       /* "hand" */
+        { 0x07, KEY_EDIT },       /* "hand" */
-        { 0xe11c, KEY_COFFEE },     /* "timer" */
+        { 0x1c, KEY_COFFEE },     /* "timer" */
-        { 0xe520, KEY_FRONT },      /* "max" */
+        { 0x20, KEY_FRONT },      /* "max" */
-        { 0xe21d, KEY_LEFT },       /* left */
+        { 0x1d, KEY_LEFT },       /* left */
-        { 0xe41f, KEY_RIGHT },      /* right */
+        { 0x1f, KEY_RIGHT },      /* right */
-        { 0xe722, KEY_DOWN },       /* down */
+        { 0x22, KEY_DOWN },       /* down */
-        { 0xdf1a, KEY_UP },         /* up */
+        { 0x1a, KEY_UP },         /* up */
-        { 0xe31e, KEY_OK },         /* "OK" */
+        { 0x1e, KEY_OK },         /* "OK" */
-        { 0xce09, KEY_VOLUMEDOWN }, /* VOL + */
+        { 0x09, KEY_VOLUMEDOWN }, /* VOL + */
-        { 0xcd08, KEY_VOLUMEUP },   /* VOL - */
+        { 0x08, KEY_VOLUMEUP },   /* VOL - */
-        { 0xcf0a, KEY_MUTE },       /* MUTE  */
+        { 0x0a, KEY_MUTE },       /* MUTE  */
-        { 0xd00b, KEY_CHANNELUP },  /* CH + */
+        { 0x0b, KEY_CHANNELUP },  /* CH + */
-        { 0xd10c, KEY_CHANNELDOWN },/* CH - */
+        { 0x0c, KEY_CHANNELDOWN },/* CH - */
-        { 0xec27, KEY_RECORD },     /* ( o) red */
+        { 0x27, KEY_RECORD },     /* ( o) red */
-        { 0xea25, KEY_PLAY },       /* ( >) */
+        { 0x25, KEY_PLAY },       /* ( >) */
-        { 0xe924, KEY_REWIND },     /* (<<) */
+        { 0x24, KEY_REWIND },     /* (<<) */
-        { 0xeb26, KEY_FORWARD },    /* (>>) */
+        { 0x26, KEY_FORWARD },    /* (>>) */
-        { 0xed28, KEY_STOP },       /* ([]) */
+        { 0x28, KEY_STOP },       /* ([]) */
-        { 0xee29, KEY_PAUSE },      /* ('') */
+        { 0x29, KEY_PAUSE },      /* ('') */
-        { 0xf02b, KEY_PREVIOUS },   /* (<-) */
+        { 0x2b, KEY_PREVIOUS },   /* (<-) */
-        { 0xef2a, KEY_NEXT },       /* (>+) */
+        { 0x2a, KEY_NEXT },       /* (>+) */
-        { 0xf22d, KEY_INFO },       /* PLAYING */
+        { 0x2d, KEY_INFO },       /* PLAYING */
-        { 0xf32e, KEY_HOME },       /* TOP */
+        { 0x2e, KEY_HOME },       /* TOP */
-        { 0xf42f, KEY_END },        /* END */
+        { 0x2f, KEY_END },        /* END */
-        { 0xf530, KEY_SELECT },     /* SELECT */
+        { 0x30, KEY_SELECT },     /* SELECT */
 };
 static struct rc_map_list ati_x10_map = {
diff --git a/drivers/media/rc/keymaps/rc-medion-x10.c b/drivers/media/rc/keymaps/rc-medion-x10.c
index 09e2cc01d110..479cdb897810 100644
--- a/drivers/media/rc/keymaps/rc-medion-x10.c
+++ b/drivers/media/rc/keymaps/rc-medion-x10.c
@@ -25,70 +25,70 @@
 #include <media/rc-map.h>
 static struct rc_map_table medion_x10[] = {
-        { 0xf12c, KEY_TV },    /* TV */
+        { 0x2c, KEY_TV },    /* TV */
-        { 0xf22d, KEY_VCR },   /* VCR */
+        { 0x2d, KEY_VCR },   /* VCR */
-        { 0xc904, KEY_DVD },   /* DVD */
+        { 0x04, KEY_DVD },   /* DVD */
-        { 0xcb06, KEY_AUDIO }, /* MUSIC */
+        { 0x06, KEY_AUDIO }, /* MUSIC */
-        { 0xf32e, KEY_RADIO },     /* RADIO */
+        { 0x2e, KEY_RADIO },     /* RADIO */
-        { 0xca05, KEY_DIRECTORY }, /* PHOTO */
+        { 0x05, KEY_DIRECTORY }, /* PHOTO */
-        { 0xf42f, KEY_INFO },      /* TV-PREVIEW */
+        { 0x2f, KEY_INFO },      /* TV-PREVIEW */
-        { 0xf530, KEY_LIST },      /* CHANNEL-LST */
+        { 0x30, KEY_LIST },      /* CHANNEL-LST */
-        { 0xe01b, KEY_SETUP }, /* SETUP */
+        { 0x1b, KEY_SETUP }, /* SETUP */
-        { 0xf631, KEY_VIDEO }, /* VIDEO DESKTOP */
+        { 0x31, KEY_VIDEO }, /* VIDEO DESKTOP */
-        { 0xcd08, KEY_VOLUMEDOWN },  /* VOL - */
+        { 0x08, KEY_VOLUMEDOWN },  /* VOL - */
-        { 0xce09, KEY_VOLUMEUP },    /* VOL + */
+        { 0x09, KEY_VOLUMEUP },    /* VOL + */
-        { 0xd00b, KEY_CHANNELUP },   /* CHAN + */
+        { 0x0b, KEY_CHANNELUP },   /* CHAN + */
-        { 0xd10c, KEY_CHANNELDOWN }, /* CHAN - */
+        { 0x0c, KEY_CHANNELDOWN }, /* CHAN - */
-        { 0xc500, KEY_MUTE },        /* MUTE */
+        { 0x00, KEY_MUTE },        /* MUTE */
-        { 0xf732, KEY_RED }, /* red */
+        { 0x32, KEY_RED }, /* red */
-        { 0xf833, KEY_GREEN }, /* green */
+        { 0x33, KEY_GREEN }, /* green */
-        { 0xf934, KEY_YELLOW }, /* yellow */
+        { 0x34, KEY_YELLOW }, /* yellow */
-        { 0xfa35, KEY_BLUE }, /* blue */
+        { 0x35, KEY_BLUE }, /* blue */
-        { 0xdb16, KEY_TEXT }, /* TXT */
+        { 0x16, KEY_TEXT }, /* TXT */
-        { 0xd20d, KEY_1 },
+        { 0x0d, KEY_1 },
-        { 0xd30e, KEY_2 },
+        { 0x0e, KEY_2 },
-        { 0xd40f, KEY_3 },
+        { 0x0f, KEY_3 },
-        { 0xd510, KEY_4 },
+        { 0x10, KEY_4 },
-        { 0xd611, KEY_5 },
+        { 0x11, KEY_5 },
-        { 0xd712, KEY_6 },
+        { 0x12, KEY_6 },
-        { 0xd813, KEY_7 },
+        { 0x13, KEY_7 },
-        { 0xd914, KEY_8 },
+        { 0x14, KEY_8 },
-        { 0xda15, KEY_9 },
+        { 0x15, KEY_9 },
-        { 0xdc17, KEY_0 },
+        { 0x17, KEY_0 },
-        { 0xe11c, KEY_SEARCH }, /* TV/RAD, CH SRC */
+        { 0x1c, KEY_SEARCH }, /* TV/RAD, CH SRC */
-        { 0xe520, KEY_DELETE }, /* DELETE */
+        { 0x20, KEY_DELETE }, /* DELETE */
-        { 0xfb36, KEY_KEYBOARD }, /* RENAME */
+        { 0x36, KEY_KEYBOARD }, /* RENAME */
-        { 0xdd18, KEY_SCREEN },   /* SNAPSHOT */
+        { 0x18, KEY_SCREEN },   /* SNAPSHOT */
-        { 0xdf1a, KEY_UP },    /* up */
+        { 0x1a, KEY_UP },    /* up */
-        { 0xe722, KEY_DOWN },  /* down */
+        { 0x22, KEY_DOWN },  /* down */
-        { 0xe21d, KEY_LEFT },  /* left */
+        { 0x1d, KEY_LEFT },  /* left */
-        { 0xe41f, KEY_RIGHT }, /* right */
+        { 0x1f, KEY_RIGHT }, /* right */
-        { 0xe31e, KEY_OK },    /* OK */
+        { 0x1e, KEY_OK },    /* OK */
-        { 0xfc37, KEY_SELECT }, /* ACQUIRE IMAGE */
+        { 0x37, KEY_SELECT }, /* ACQUIRE IMAGE */
-        { 0xfd38, KEY_EDIT },   /* EDIT IMAGE */
+        { 0x38, KEY_EDIT },   /* EDIT IMAGE */
-        { 0xe924, KEY_REWIND },   /* rewind  (<<) */
+        { 0x24, KEY_REWIND },   /* rewind  (<<) */
-        { 0xea25, KEY_PLAY },     /* play    ( >) */
+        { 0x25, KEY_PLAY },     /* play    ( >) */
-        { 0xeb26, KEY_FORWARD },  /* forward (>>) */
+        { 0x26, KEY_FORWARD },  /* forward (>>) */
-        { 0xec27, KEY_RECORD },   /* record  ( o) */
+        { 0x27, KEY_RECORD },   /* record  ( o) */
-        { 0xed28, KEY_STOP },     /* stop    ([]) */
+        { 0x28, KEY_STOP },     /* stop    ([]) */
-        { 0xee29, KEY_PAUSE },    /* pause   ('') */
+        { 0x29, KEY_PAUSE },    /* pause   ('') */
-        { 0xe621, KEY_PREVIOUS },        /* prev */
+        { 0x21, KEY_PREVIOUS },        /* prev */
-        { 0xfe39, KEY_SWITCHVIDEOMODE }, /* F SCR */
+        { 0x39, KEY_SWITCHVIDEOMODE }, /* F SCR */
-        { 0xe823, KEY_NEXT },            /* next */
+        { 0x23, KEY_NEXT },            /* next */
-        { 0xde19, KEY_MENU },            /* MENU */
+        { 0x19, KEY_MENU },            /* MENU */
-        { 0xff3a, KEY_LANGUAGE },        /* AUDIO */
+        { 0x3a, KEY_LANGUAGE },        /* AUDIO */
-        { 0xc702, KEY_POWER }, /* POWER */
+        { 0x02, KEY_POWER }, /* POWER */
 };
 static struct rc_map_list medion_x10_map = {
diff --git a/drivers/media/rc/keymaps/rc-snapstream-firefly.c b/drivers/media/rc/keymaps/rc-snapstream-firefly.c
index ef146520931c..c7f33ec719b4 100644
--- a/drivers/media/rc/keymaps/rc-snapstream-firefly.c
+++ b/drivers/media/rc/keymaps/rc-snapstream-firefly.c
@@ -22,63 +22,63 @@
 #include <media/rc-map.h>
 static struct rc_map_table snapstream_firefly[] = {
-        { 0xf12c, KEY_ZOOM },       /* Maximize */
+        { 0x2c, KEY_ZOOM },       /* Maximize */
-        { 0xc702, KEY_CLOSE },
+        { 0x02, KEY_CLOSE },
-        { 0xd20d, KEY_1 },
+        { 0x0d, KEY_1 },
-        { 0xd30e, KEY_2 },
+        { 0x0e, KEY_2 },
-        { 0xd40f, KEY_3 },
+        { 0x0f, KEY_3 },
-        { 0xd510, KEY_4 },
+        { 0x10, KEY_4 },
-        { 0xd611, KEY_5 },
+        { 0x11, KEY_5 },
-        { 0xd712, KEY_6 },
+        { 0x12, KEY_6 },
-        { 0xd813, KEY_7 },
+        { 0x13, KEY_7 },
-        { 0xd914, KEY_8 },
+        { 0x14, KEY_8 },
-        { 0xda15, KEY_9 },
+        { 0x15, KEY_9 },
-        { 0xdc17, KEY_0 },
+        { 0x17, KEY_0 },
-        { 0xdb16, KEY_BACK },
+        { 0x16, KEY_BACK },
-        { 0xdd18, KEY_KPENTER },    /* ent */
+        { 0x18, KEY_KPENTER },    /* ent */
-        { 0xce09, KEY_VOLUMEUP },
+        { 0x09, KEY_VOLUMEUP },
-        { 0xcd08, KEY_VOLUMEDOWN },
+        { 0x08, KEY_VOLUMEDOWN },
-        { 0xcf0a, KEY_MUTE },
+        { 0x0a, KEY_MUTE },
-        { 0xd00b, KEY_CHANNELUP },
+        { 0x0b, KEY_CHANNELUP },
-        { 0xd10c, KEY_CHANNELDOWN },
+        { 0x0c, KEY_CHANNELDOWN },
-        { 0xc500, KEY_VENDOR },     /* firefly */
+        { 0x00, KEY_VENDOR },     /* firefly */
-        { 0xf32e, KEY_INFO },
+        { 0x2e, KEY_INFO },
-        { 0xf42f, KEY_OPTION },
+        { 0x2f, KEY_OPTION },
-        { 0xe21d, KEY_LEFT },
+        { 0x1d, KEY_LEFT },
-        { 0xe41f, KEY_RIGHT },
+        { 0x1f, KEY_RIGHT },
-        { 0xe722, KEY_DOWN },
+        { 0x22, KEY_DOWN },
-        { 0xdf1a, KEY_UP },
+        { 0x1a, KEY_UP },
-        { 0xe31e, KEY_OK },
+        { 0x1e, KEY_OK },
-        { 0xe11c, KEY_MENU },
+        { 0x1c, KEY_MENU },
-        { 0xe520, KEY_EXIT },
+        { 0x20, KEY_EXIT },
-        { 0xec27, KEY_RECORD },
+        { 0x27, KEY_RECORD },
-        { 0xea25, KEY_PLAY },
+        { 0x25, KEY_PLAY },
-        { 0xed28, KEY_STOP },
+        { 0x28, KEY_STOP },
-        { 0xe924, KEY_REWIND },
+        { 0x24, KEY_REWIND },
-        { 0xeb26, KEY_FORWARD },
+        { 0x26, KEY_FORWARD },
-        { 0xee29, KEY_PAUSE },
+        { 0x29, KEY_PAUSE },
-        { 0xf02b, KEY_PREVIOUS },
+        { 0x2b, KEY_PREVIOUS },
-        { 0xef2a, KEY_NEXT },
+        { 0x2a, KEY_NEXT },
-        { 0xcb06, KEY_AUDIO },      /* Music */
+        { 0x06, KEY_AUDIO },      /* Music */
-        { 0xca05, KEY_IMAGES },     /* Photos */
+        { 0x05, KEY_IMAGES },     /* Photos */
-        { 0xc904, KEY_DVD },
+        { 0x04, KEY_DVD },
-        { 0xc803, KEY_TV },
+        { 0x03, KEY_TV },
-        { 0xcc07, KEY_VIDEO },
+        { 0x07, KEY_VIDEO },
-        { 0xc601, KEY_HELP },
+        { 0x01, KEY_HELP },
-        { 0xf22d, KEY_MODE },       /* Mouse */
+        { 0x2d, KEY_MODE },       /* Mouse */
-        { 0xde19, KEY_A },
+        { 0x19, KEY_A },
-        { 0xe01b, KEY_B },
+        { 0x1b, KEY_B },
-        { 0xe621, KEY_C },
+        { 0x21, KEY_C },
-        { 0xe823, KEY_D },
+        { 0x23, KEY_D },
 };
 static struct rc_map_list snapstream_firefly_map = {
diff --git a/drivers/media/video/au0828/au0828-cards.c b/drivers/media/video/au0828/au0828-cards.c
index 39fc923fc46b..1c6015a04f96 100644
--- a/drivers/media/video/au0828/au0828-cards.c
+++ b/drivers/media/video/au0828/au0828-cards.c
@@ -162,11 +162,14 @@ static void hauppauge_eeprom(struct au0828_dev *dev, u8 *eeprom_data)
        switch (tv.model) {
        case 72000: /* WinTV-HVR950q (Retail, IR, ATSC/QAM */
        case 72001: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
+        case 72101: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
+        case 72201: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
        case 72211: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
        case 72221: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
        case 72231: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
        case 72241: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and analog video */
        case 72251: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
+        case 72261: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
        case 72301: /* WinTV-HVR850 (Retail, IR, ATSC and analog video */
        case 72500: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM */
                break;
@@ -324,6 +327,10 @@ struct usb_device_id au0828_usb_id_table[] = {
                .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
        { USB_DEVICE(0x2040, 0x8200),
                .driver_info = AU0828_BOARD_HAUPPAUGE_WOODBURY },
+        { USB_DEVICE(0x2040, 0x7260),
+                .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
+        { USB_DEVICE(0x2040, 0x7213),
+                .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
        { },
 };
diff --git a/drivers/media/video/m5mols/m5mols.h b/drivers/media/video/m5mols/m5mols.h
index 89d09a8914f8..82c8817bd32d 100644
--- a/drivers/media/video/m5mols/m5mols.h
+++ b/drivers/media/video/m5mols/m5mols.h
@@ -162,7 +162,6 @@ struct m5mols_version {
 * @pad: media pad
 * @ffmt: current fmt according to resolution type
 * @res_type: current resolution type
- * @code: current code
 * @irq_waitq: waitqueue for the capture
 * @work_irq: workqueue for the IRQ
 * @flags: state variable for the interrupt handler
@@ -192,7 +191,6 @@ struct m5mols_info {
        struct media_pad pad;
        struct v4l2_mbus_framefmt ffmt[M5MOLS_RESTYPE_MAX];
        int res_type;
-        enum v4l2_mbus_pixelcode code;
        wait_queue_head_t irq_waitq;
        struct work_struct work_irq;
        unsigned long flags;
diff --git a/drivers/media/video/m5mols/m5mols_core.c b/drivers/media/video/m5mols/m5mols_core.c
index 05ab3700647e..e0f09e531800 100644
--- a/drivers/media/video/m5mols/m5mols_core.c
+++ b/drivers/media/video/m5mols/m5mols_core.c
@@ -334,7 +334,7 @@ int m5mols_mode(struct m5mols_info *info, u8 mode)
        int ret = -EINVAL;
        u8 reg;
-        if (mode < REG_PARAMETER && mode > REG_CAPTURE)
+        if (mode < REG_PARAMETER || mode > REG_CAPTURE)
                return ret;
        ret = m5mols_read_u8(sd, SYSTEM_SYSMODE, &reg);
@@ -511,9 +511,6 @@ static int m5mols_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
        struct m5mols_info *info = to_m5mols(sd);
        struct v4l2_mbus_framefmt *format;
-        if (fmt->pad != 0)
-                return -EINVAL;
        format = __find_format(info, fh, fmt->which, info->res_type);
        if (!format)
                return -EINVAL;
@@ -532,9 +529,6 @@ static int m5mols_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
        u32 resolution = 0;
        int ret;
-        if (fmt->pad != 0)
-                return -EINVAL;
        ret = __find_resolution(sd, format, &type, &resolution);
        if (ret < 0)
                return ret;
@@ -543,13 +537,14 @@ static int m5mols_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
        if (!sfmt)
                return 0;
-        *sfmt           = m5mols_default_ffmt[type];
-        sfmt->width     = format->width;
+        format->code = m5mols_default_ffmt[type].code;
-        sfmt->height    = format->height;
+        format->colorspace = V4L2_COLORSPACE_JPEG;
+        format->field = V4L2_FIELD_NONE;
        if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
+                *sfmt = *format;
                info->resolution = resolution;
-                info->code = format->code;
                info->res_type = type;
        }
@@ -626,13 +621,14 @@ static int m5mols_start_monitor(struct m5mols_info *info)
 static int m5mols_s_stream(struct v4l2_subdev *sd, int enable)
 {
        struct m5mols_info *info = to_m5mols(sd);
+        u32 code = info->ffmt[info->res_type].code;
        if (enable) {
                int ret = -EINVAL;
-                if (is_code(info->code, M5MOLS_RESTYPE_MONITOR))
+                if (is_code(code, M5MOLS_RESTYPE_MONITOR))
                        ret = m5mols_start_monitor(info);
-                if (is_code(info->code, M5MOLS_RESTYPE_CAPTURE))
+                if (is_code(code, M5MOLS_RESTYPE_CAPTURE))
                        ret = m5mols_start_capture(info);
                return ret;
diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c
index cf2c0fb95f2f..398f96ffd35e 100644
--- a/drivers/media/video/mt9m111.c
+++ b/drivers/media/video/mt9m111.c
@@ -955,6 +955,7 @@ static int mt9m111_probe(struct i2c_client *client,
        mt9m111->rect.height    = MT9M111_MAX_HEIGHT;
        mt9m111->fmt            = &mt9m111_colour_fmts[0];
        mt9m111->lastpage       = -1;
+        mutex_init(&mt9m111->power_lock);
        ret = mt9m111_video_probe(client);
        if (ret) {
diff --git a/drivers/media/video/mt9t112.c b/drivers/media/video/mt9t112.c
index 32114a3c0ca7..7b34b11daf24 100644
--- a/drivers/media/video/mt9t112.c
+++ b/drivers/media/video/mt9t112.c
@@ -1083,8 +1083,10 @@ static int mt9t112_probe(struct i2c_client *client,
        v4l2_i2c_subdev_init(&priv->subdev, client, &mt9t112_subdev_ops);
        ret = mt9t112_camera_probe(client);
-        if (ret)
+        if (ret) {
                kfree(priv);
+                return ret;
+        }
        /* Cannot fail: using the default supported pixel code */
        mt9t112_set_params(priv, &rect, V4L2_MBUS_FMT_UYVY8_2X8);
diff --git a/drivers/media/video/omap/omap_vout.c b/drivers/media/video/omap/omap_vout.c
index 9c5c19f142de..ee0d0b39cd17 100644
--- a/drivers/media/video/omap/omap_vout.c
+++ b/drivers/media/video/omap/omap_vout.c
@@ -38,6 +38,7 @@
 #include <linux/irq.h>
 #include <linux/videodev2.h>
 #include <linux/dma-mapping.h>
+#include <linux/slab.h>
 #include <media/videobuf-dma-contig.h>
 #include <media/v4l2-device.h>
@@ -2169,6 +2170,14 @@ static int __init omap_vout_probe(struct platform_device *pdev)
        vid_dev->num_displays = 0;
        for_each_dss_dev(dssdev) {
                omap_dss_get_device(dssdev);
+                if (!dssdev->driver) {
+                        dev_warn(&pdev->dev, "no driver for display: %s\n",
+                                        dssdev->name);
+                        omap_dss_put_device(dssdev);
+                        continue;
+                }
                vid_dev->displays[vid_dev->num_displays++] = dssdev;
        }
diff --git a/drivers/media/video/omap1_camera.c b/drivers/media/video/omap1_camera.c
index e87ae2f634b2..6a6cf388bae4 100644
--- a/drivers/media/video/omap1_camera.c
+++ b/drivers/media/video/omap1_camera.c
@@ -24,6 +24,7 @@
 #include <linux/clk.h>
 #include <linux/dma-mapping.h>
 #include <linux/interrupt.h>
+#include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
diff --git a/drivers/media/video/omap24xxcam-dma.c b/drivers/media/video/omap24xxcam-dma.c
index 1d54b86c936b..3ea38a8def8e 100644
--- a/drivers/media/video/omap24xxcam-dma.c
+++ b/drivers/media/video/omap24xxcam-dma.c
@@ -506,7 +506,7 @@ int omap24xxcam_sgdma_queue(struct omap24xxcam_sgdma *sgdma,
        unsigned long flags;
        struct sgdma_state *sg_state;
-        if ((sglen < 0) || ((sglen > 0) & !sglist))
+        if ((sglen < 0) || ((sglen > 0) && !sglist))
                return -EINVAL;
        spin_lock_irqsave(&sgdma->lock, flags);
diff --git a/drivers/media/video/omap3isp/ispvideo.c b/drivers/media/video/omap3isp/ispvideo.c
index d1000723c5ae..f2290578448c 100644
--- a/drivers/media/video/omap3isp/ispvideo.c
+++ b/drivers/media/video/omap3isp/ispvideo.c
@@ -26,6 +26,7 @@
 #include <asm/cacheflush.h>
 #include <linux/clk.h>
 #include <linux/mm.h>
+#include <linux/module.h>
 #include <linux/pagemap.h>
 #include <linux/scatterlist.h>
 #include <linux/sched.h>
diff --git a/drivers/media/video/ov6650.c b/drivers/media/video/ov6650.c
index 9f2d26b1d4cb..6806345ec2f0 100644
--- a/drivers/media/video/ov6650.c
+++ b/drivers/media/video/ov6650.c
@@ -540,7 +540,7 @@ static u8 to_clkrc(struct v4l2_fract *timeperframe,
 static int ov6650_s_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *mf)
 {
        struct i2c_client *client = v4l2_get_subdevdata(sd);
-        struct soc_camera_device *icd = (struct soc_camera_device *)sd->grp_id;
+        struct soc_camera_device *icd = v4l2_get_subdev_hostdata(sd);
        struct soc_camera_sense *sense = icd->sense;
        struct ov6650 *priv = to_ov6650(client);
        bool half_scale = !is_unscaled_ok(mf->width, mf->height, &priv->rect);
diff --git a/drivers/media/video/s5p-fimc/fimc-capture.c b/drivers/media/video/s5p-fimc/fimc-capture.c
index c8d91b0cd9bd..2cc3b9166724 100644
--- a/drivers/media/video/s5p-fimc/fimc-capture.c
+++ b/drivers/media/video/s5p-fimc/fimc-capture.c
@@ -98,6 +98,10 @@ static int fimc_capture_state_cleanup(struct fimc_dev *fimc, bool suspend)
                        vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
        }
        set_bit(ST_CAPT_SUSPENDED, &fimc->state);
+        fimc_hw_reset(fimc);
+        cap->buf_index = 0;
        spin_unlock_irqrestore(&fimc->slock, flags);
        if (streaming)
@@ -137,7 +141,7 @@ int fimc_capture_config_update(struct fimc_ctx *ctx)
        struct fimc_dev *fimc = ctx->fimc_dev;
        int ret;
-        if (test_bit(ST_CAPT_APPLY_CFG, &fimc->state))
+        if (!test_bit(ST_CAPT_APPLY_CFG, &fimc->state))
                return 0;
        spin_lock(&ctx->slock);
@@ -150,7 +154,7 @@ int fimc_capture_config_update(struct fimc_ctx *ctx)
                fimc_hw_set_rotation(ctx);
                fimc_prepare_dma_offset(ctx, &ctx->d_frame);
                fimc_hw_set_out_dma(ctx);
-                set_bit(ST_CAPT_APPLY_CFG, &fimc->state);
+                clear_bit(ST_CAPT_APPLY_CFG, &fimc->state);
        }
        spin_unlock(&ctx->slock);
        return ret;
@@ -164,7 +168,6 @@ static int start_streaming(struct vb2_queue *q, unsigned int count)
        int min_bufs;
        int ret;
-        fimc_hw_reset(fimc);
        vid_cap->frame_count = 0;
        ret = fimc_init_capture(fimc);
@@ -523,7 +526,7 @@ static struct fimc_fmt *fimc_capture_try_format(struct fimc_ctx *ctx,
        max_w = rotation ? pl->out_rot_en_w : pl->out_rot_dis_w;
        min_w = ctx->state & FIMC_DST_CROP ? dst->width : var->min_out_pixsize;
        min_h = ctx->state & FIMC_DST_CROP ? dst->height : var->min_out_pixsize;
-        if (fimc->id == 1 && var->pix_hoff)
+        if (var->min_vsize_align == 1 && !rotation)
                align_h = fimc_fmt_is_rgb(ffmt->color) ? 0 : 1;
        depth = fimc_get_format_depth(ffmt);
@@ -1239,6 +1242,7 @@ static int fimc_subdev_set_fmt(struct v4l2_subdev *sd,
        mutex_lock(&fimc->lock);
        set_frame_bounds(ff, mf->width, mf->height);
+        fimc->vid_cap.mf = *mf;
        ff->fmt = ffmt;
        /* Reset the crop rectangle if required. */
@@ -1375,7 +1379,7 @@ static void fimc_destroy_capture_subdev(struct fimc_dev *fimc)
        media_entity_cleanup(&sd->entity);
        v4l2_device_unregister_subdev(sd);
        kfree(sd);
-        sd = NULL;
+        fimc->vid_cap.subdev = NULL;
 }
 /* Set default format at the sensor and host interface */
diff --git a/drivers/media/video/s5p-fimc/fimc-core.c b/drivers/media/video/s5p-fimc/fimc-core.c
index 19ca6db38b2f..07c6254faee3 100644
--- a/drivers/media/video/s5p-fimc/fimc-core.c
+++ b/drivers/media/video/s5p-fimc/fimc-core.c
@@ -37,7 +37,7 @@ static char *fimc_clocks[MAX_FIMC_CLOCKS] = {
 static struct fimc_fmt fimc_formats[] = {
        {
                .name           = "RGB565",
-                .fourcc         = V4L2_PIX_FMT_RGB565X,
+                .fourcc         = V4L2_PIX_FMT_RGB565,
                .depth          = { 16 },
                .color          = S5P_FIMC_RGB565,
                .memplanes      = 1,
@@ -1038,12 +1038,11 @@ static int fimc_try_fmt_mplane(struct fimc_ctx *ctx, struct v4l2_format *f)
                mod_x = 6; /* 64 x 32 pixels tile */
                mod_y = 5;
        } else {
-                if (fimc->id == 1 && variant->pix_hoff)
+                if (variant->min_vsize_align == 1)
                        mod_y = fimc_fmt_is_rgb(fmt->color) ? 0 : 1;
                else
-                        mod_y = mod_x;
+                        mod_y = ffs(variant->min_vsize_align) - 1;
        }
-        dbg("mod_x: %d, mod_y: %d, max_w: %d", mod_x, mod_y, max_w);
        v4l_bound_align_image(&pix->width, 16, max_w, mod_x,
                &pix->height, 8, variant->pix_limit->scaler_dis_w, mod_y, 0);
@@ -1226,10 +1225,10 @@ static int fimc_m2m_try_crop(struct fimc_ctx *ctx, struct v4l2_crop *cr)
                fimc->variant->min_inp_pixsize : fimc->variant->min_out_pixsize;
        /* Get pixel alignment constraints. */
-        if (fimc->id == 1 && fimc->variant->pix_hoff)
+        if (fimc->variant->min_vsize_align == 1)
                halign = fimc_fmt_is_rgb(f->fmt->color) ? 0 : 1;
        else
-                halign = ffs(min_size) - 1;
+                halign = ffs(fimc->variant->min_vsize_align) - 1;
        for (i = 0; i < f->fmt->colplanes; i++)
                depth += f->fmt->depth[i];
@@ -1615,7 +1614,6 @@ static int fimc_probe(struct platform_device *pdev)
        pdata = pdev->dev.platform_data;
        fimc->pdata = pdata;
-        set_bit(ST_LPM, &fimc->state);
        init_waitqueue_head(&fimc->irq_queue);
        spin_lock_init(&fimc->slock);
@@ -1707,8 +1705,6 @@ static int fimc_runtime_resume(struct device *dev)
        /* Enable clocks and perform basic initalization */
        clk_enable(fimc->clock[CLK_GATE]);
        fimc_hw_reset(fimc);
-        if (fimc->variant->out_buf_count > 4)
-                fimc_hw_set_dma_seq(fimc, 0xF);
        /* Resume the capture or mem-to-mem device */
        if (fimc_capture_busy(fimc))
@@ -1750,8 +1746,6 @@ static int fimc_resume(struct device *dev)
                return 0;
        }
        fimc_hw_reset(fimc);
-        if (fimc->variant->out_buf_count > 4)
-                fimc_hw_set_dma_seq(fimc, 0xF);
        spin_unlock_irqrestore(&fimc->slock, flags);
        if (fimc_capture_busy(fimc))
@@ -1780,7 +1774,6 @@ static int __devexit fimc_remove(struct platform_device *pdev)
        struct fimc_dev *fimc = platform_get_drvdata(pdev);
        pm_runtime_disable(&pdev->dev);
-        fimc_runtime_suspend(&pdev->dev);
        pm_runtime_set_suspended(&pdev->dev);
        vb2_dma_contig_cleanup_ctx(fimc->alloc_ctx);
@@ -1840,6 +1833,7 @@ static struct samsung_fimc_variant fimc0_variant_s5p = {
        .min_inp_pixsize = 16,
        .min_out_pixsize = 16,
        .hor_offs_align  = 8,
+        .min_vsize_align = 16,
        .out_buf_count   = 4,
        .pix_limit       = &s5p_pix_limit[0],
 };
@@ -1849,6 +1843,7 @@ static struct samsung_fimc_variant fimc2_variant_s5p = {
        .min_inp_pixsize = 16,
        .min_out_pixsize = 16,
        .hor_offs_align  = 8,
+        .min_vsize_align = 16,
        .out_buf_count   = 4,
        .pix_limit = &s5p_pix_limit[1],
 };
@@ -1861,6 +1856,7 @@ static struct samsung_fimc_variant fimc0_variant_s5pv210 = {
        .min_inp_pixsize = 16,
        .min_out_pixsize = 16,
        .hor_offs_align  = 8,
+        .min_vsize_align = 16,
        .out_buf_count   = 4,
        .pix_limit       = &s5p_pix_limit[1],
 };
@@ -1874,6 +1870,7 @@ static struct samsung_fimc_variant fimc1_variant_s5pv210 = {
        .min_inp_pixsize = 16,
        .min_out_pixsize = 16,
        .hor_offs_align  = 1,
+        .min_vsize_align = 1,
        .out_buf_count   = 4,
        .pix_limit       = &s5p_pix_limit[2],
 };
@@ -1884,6 +1881,7 @@ static struct samsung_fimc_variant fimc2_variant_s5pv210 = {
        .min_inp_pixsize = 16,
        .min_out_pixsize = 16,
        .hor_offs_align  = 8,
+        .min_vsize_align = 16,
        .out_buf_count   = 4,
        .pix_limit       = &s5p_pix_limit[2],
 };
@@ -1898,6 +1896,7 @@ static struct samsung_fimc_variant fimc0_variant_exynos4 = {
        .min_inp_pixsize = 16,
        .min_out_pixsize = 16,
        .hor_offs_align  = 2,
+        .min_vsize_align = 1,
        .out_buf_count   = 32,
        .pix_limit       = &s5p_pix_limit[1],
 };
@@ -1910,6 +1909,7 @@ static struct samsung_fimc_variant fimc3_variant_exynos4 = {
        .min_inp_pixsize = 16,
        .min_out_pixsize = 16,
        .hor_offs_align  = 2,
+        .min_vsize_align = 1,
        .out_buf_count   = 32,
        .pix_limit       = &s5p_pix_limit[3],
 };
diff --git a/drivers/media/video/s5p-fimc/fimc-core.h b/drivers/media/video/s5p-fimc/fimc-core.h
index a6936dad5b10..c7f01c47b20f 100644
--- a/drivers/media/video/s5p-fimc/fimc-core.h
+++ b/drivers/media/video/s5p-fimc/fimc-core.h
@@ -377,6 +377,7 @@ struct fimc_pix_limit {
 * @min_inp_pixsize: minimum input pixel size
 * @min_out_pixsize: minimum output pixel size
 * @hor_offs_align: horizontal pixel offset aligment
+ * @min_vsize_align: minimum vertical pixel size alignment
 * @out_buf_count: the number of buffers in output DMA sequence
 */
 struct samsung_fimc_variant {
@@ -390,6 +391,7 @@ struct samsung_fimc_variant {
        u16             min_inp_pixsize;
        u16             min_out_pixsize;
        u16             hor_offs_align;
+        u16             min_vsize_align;
        u16             out_buf_count;
 };
diff --git a/drivers/media/video/s5p-fimc/fimc-mdevice.c b/drivers/media/video/s5p-fimc/fimc-mdevice.c
index cc337b1de913..615c862f0360 100644
--- a/drivers/media/video/s5p-fimc/fimc-mdevice.c
+++ b/drivers/media/video/s5p-fimc/fimc-mdevice.c
@@ -220,6 +220,7 @@ static struct v4l2_subdev *fimc_md_register_sensor(struct fimc_md *fmd,
        sd = v4l2_i2c_new_subdev_board(&fmd->v4l2_dev, adapter,
                                       s_info->pdata->board_info, NULL);
        if (IS_ERR_OR_NULL(sd)) {
+                i2c_put_adapter(adapter);
                v4l2_err(&fmd->v4l2_dev, "Failed to acquire subdev\n");
                return NULL;
        }
@@ -234,12 +235,15 @@ static struct v4l2_subdev *fimc_md_register_sensor(struct fimc_md *fmd,
 static void fimc_md_unregister_sensor(struct v4l2_subdev *sd)
 {
        struct i2c_client *client = v4l2_get_subdevdata(sd);
+        struct i2c_adapter *adapter;
        if (!client)
                return;
        v4l2_device_unregister_subdev(sd);
+        adapter = client->adapter;
        i2c_unregister_device(client);
-        i2c_put_adapter(client->adapter);
+        if (adapter)
+                i2c_put_adapter(adapter);
 }
 static int fimc_md_register_sensor_entities(struct fimc_md *fmd)
@@ -381,20 +385,28 @@ static void fimc_md_unregister_entities(struct fimc_md *fmd)
 static int fimc_md_register_video_nodes(struct fimc_md *fmd)
 {
+        struct video_device *vdev;
        int i, ret = 0;
        for (i = 0; i < FIMC_MAX_DEVS && !ret; i++) {
                if (!fmd->fimc[i])
                        continue;
-                if (fmd->fimc[i]->m2m.vfd)
+                vdev = fmd->fimc[i]->m2m.vfd;
-                        ret = video_register_device(fmd->fimc[i]->m2m.vfd,
+                if (vdev) {
-                                                    VFL_TYPE_GRABBER, -1);
+                        ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
-                if (ret)
+                        if (ret)
-                        break;
+                                break;
-                if (fmd->fimc[i]->vid_cap.vfd)
+                        v4l2_info(&fmd->v4l2_dev, "Registered %s as /dev/%s\n",
-                        ret = video_register_device(fmd->fimc[i]->vid_cap.vfd,
+                                  vdev->name, video_device_node_name(vdev));
-                                                    VFL_TYPE_GRABBER, -1);
+                }
+                vdev = fmd->fimc[i]->vid_cap.vfd;
+                if (vdev == NULL)
+                        continue;
+                ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
+                v4l2_info(&fmd->v4l2_dev, "Registered %s as /dev/%s\n",
+                          vdev->name, video_device_node_name(vdev));
        }
        return ret;
@@ -502,7 +514,7 @@ static int fimc_md_create_links(struct fimc_md *fmd)
                        if (WARN(csis == NULL,
                                 "MIPI-CSI interface specified "
                                 "but s5p-csis module is not loaded!\n"))
-                                continue;
+                                return -EINVAL;
                        ret = media_entity_create_link(&sensor->entity, 0,
                                              &csis->entity, CSIS_PAD_SINK,
@@ -742,9 +754,6 @@ static int __devinit fimc_md_probe(struct platform_device *pdev)
        struct fimc_md *fmd;
        int ret;
-        if (WARN(!pdev->dev.platform_data, "Platform data not specified!\n"))
-                return -EINVAL;
        fmd = kzalloc(sizeof(struct fimc_md), GFP_KERNEL);
        if (!fmd)
                return -ENOMEM;
@@ -782,9 +791,11 @@ static int __devinit fimc_md_probe(struct platform_device *pdev)
        if (ret)
                goto err3;
-        ret = fimc_md_register_sensor_entities(fmd);
+        if (pdev->dev.platform_data) {
-        if (ret)
+                ret = fimc_md_register_sensor_entities(fmd);
-                goto err3;
+                if (ret)
+                        goto err3;
+        }
        ret = fimc_md_create_links(fmd);
        if (ret)
                goto err3;
diff --git a/drivers/media/video/s5p-fimc/fimc-reg.c b/drivers/media/video/s5p-fimc/fimc-reg.c
index 20e664e34163..44f5c2d1920b 100644
--- a/drivers/media/video/s5p-fimc/fimc-reg.c
+++ b/drivers/media/video/s5p-fimc/fimc-reg.c
@@ -35,6 +35,9 @@ void fimc_hw_reset(struct fimc_dev *dev)
        cfg = readl(dev->regs + S5P_CIGCTRL);
        cfg &= ~S5P_CIGCTRL_SWRST;
        writel(cfg, dev->regs + S5P_CIGCTRL);
+        if (dev->variant->out_buf_count > 4)
+                fimc_hw_set_dma_seq(dev, 0xF);
 }
 static u32 fimc_hw_get_in_flip(struct fimc_ctx *ctx)
@@ -251,7 +254,14 @@ static void fimc_hw_set_scaler(struct fimc_ctx *ctx)
        struct fimc_scaler *sc = &ctx->scaler;
        struct fimc_frame *src_frame = &ctx->s_frame;
        struct fimc_frame *dst_frame = &ctx->d_frame;
-        u32 cfg = 0;
+        u32 cfg = readl(dev->regs + S5P_CISCCTRL);
+        cfg &= ~(S5P_CISCCTRL_CSCR2Y_WIDE | S5P_CISCCTRL_CSCY2R_WIDE |
+                 S5P_CISCCTRL_SCALEUP_H | S5P_CISCCTRL_SCALEUP_V |
+                 S5P_CISCCTRL_SCALERBYPASS | S5P_CISCCTRL_ONE2ONE |
+                 S5P_CISCCTRL_INRGB_FMT_MASK | S5P_CISCCTRL_OUTRGB_FMT_MASK |
+                 S5P_CISCCTRL_INTERLACE | S5P_CISCCTRL_RGB_EXT);
        if (!(ctx->flags & FIMC_COLOR_RANGE_NARROW))
                cfg |= (S5P_CISCCTRL_CSCR2Y_WIDE | S5P_CISCCTRL_CSCY2R_WIDE);
@@ -308,9 +318,9 @@ void fimc_hw_set_mainscaler(struct fimc_ctx *ctx)
        fimc_hw_set_scaler(ctx);
        cfg = readl(dev->regs + S5P_CISCCTRL);
+        cfg &= ~(S5P_CISCCTRL_MHRATIO_MASK | S5P_CISCCTRL_MVRATIO_MASK);
        if (variant->has_mainscaler_ext) {
-                cfg &= ~(S5P_CISCCTRL_MHRATIO_MASK | S5P_CISCCTRL_MVRATIO_MASK);
                cfg |= S5P_CISCCTRL_MHRATIO_EXT(sc->main_hratio);
                cfg |= S5P_CISCCTRL_MVRATIO_EXT(sc->main_vratio);
                writel(cfg, dev->regs + S5P_CISCCTRL);
@@ -323,7 +333,6 @@ void fimc_hw_set_mainscaler(struct fimc_ctx *ctx)
                cfg |= S5P_CIEXTEN_MVRATIO_EXT(sc->main_vratio);
                writel(cfg, dev->regs + S5P_CIEXTEN);
        } else {
-                cfg &= ~(S5P_CISCCTRL_MHRATIO_MASK | S5P_CISCCTRL_MVRATIO_MASK);
                cfg |= S5P_CISCCTRL_MHRATIO(sc->main_hratio);
                cfg |= S5P_CISCCTRL_MVRATIO(sc->main_vratio);
                writel(cfg, dev->regs + S5P_CISCCTRL);
diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_enc.c b/drivers/media/video/s5p-mfc/s5p_mfc_enc.c
index 1e8cdb77d4b8..dff9dc798795 100644
--- a/drivers/media/video/s5p-mfc/s5p_mfc_enc.c
+++ b/drivers/media/video/s5p-mfc/s5p_mfc_enc.c
@@ -61,7 +61,7 @@ static struct s5p_mfc_fmt formats[] = {
                .num_planes = 1,
        },
        {
-                .name = "H264 Encoded Stream",
+                .name = "H263 Encoded Stream",
                .fourcc = V4L2_PIX_FMT_H263,
                .codec_mode = S5P_FIMV_CODEC_H263_ENC,
                .type = MFC_FMT_ENC,
diff --git a/drivers/media/video/s5p-tv/mixer_video.c b/drivers/media/video/s5p-tv/mixer_video.c
index e16d3a4bc1dc..b47d0c06ecf5 100644
--- a/drivers/media/video/s5p-tv/mixer_video.c
+++ b/drivers/media/video/s5p-tv/mixer_video.c
@@ -16,6 +16,7 @@
 #include <media/v4l2-ioctl.h>
 #include <linux/videodev2.h>
 #include <linux/mm.h>
+#include <linux/module.h>
 #include <linux/version.h>
 #include <linux/timer.h>
 #include <media/videobuf2-dma-contig.h>
diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c
index f390682629cf..c51decfcae19 100644
--- a/drivers/media/video/sh_mobile_ceu_camera.c
+++ b/drivers/media/video/sh_mobile_ceu_camera.c
@@ -566,8 +566,10 @@ static int sh_mobile_ceu_add_device(struct soc_camera_device *icd)
        ret = sh_mobile_ceu_soft_reset(pcdev);
        csi2_sd = find_csi2(pcdev);
-        if (csi2_sd)
+        if (csi2_sd) {
-                csi2_sd->grp_id = (long)icd;
+                csi2_sd->grp_id = soc_camera_grp_id(icd);
+                v4l2_set_subdev_hostdata(csi2_sd, icd);
+        }
        ret = v4l2_subdev_call(csi2_sd, core, s_power, 1);
        if (ret < 0 && ret != -ENOIOCTLCMD && ret != -ENODEV) {
@@ -768,7 +770,7 @@ static struct v4l2_subdev *find_bus_subdev(struct sh_mobile_ceu_dev *pcdev,
 {
        if (pcdev->csi2_pdev) {
                struct v4l2_subdev *csi2_sd = find_csi2(pcdev);
-                if (csi2_sd && csi2_sd->grp_id == (u32)icd)
+                if (csi2_sd && csi2_sd->grp_id == soc_camera_grp_id(icd))
                        return csi2_sd;
        }
@@ -1089,8 +1091,9 @@ static int sh_mobile_ceu_get_formats(struct soc_camera_device *icd, unsigned int
                        /* Try 2560x1920, 1280x960, 640x480, 320x240 */
                        mf.width        = 2560 >> shift;
                        mf.height       = 1920 >> shift;
-                        ret = v4l2_device_call_until_err(sd->v4l2_dev, (long)icd, video,
+                        ret = v4l2_device_call_until_err(sd->v4l2_dev,
-                                                         s_mbus_fmt, &mf);
+                                        soc_camera_grp_id(icd), video,
+                                        s_mbus_fmt, &mf);
                        if (ret < 0)
                                return ret;
                        shift++;
@@ -1389,7 +1392,8 @@ static int client_s_fmt(struct soc_camera_device *icd,
        bool ceu_1to1;
        int ret;
-        ret = v4l2_device_call_until_err(sd->v4l2_dev, (long)icd, video,
+        ret = v4l2_device_call_until_err(sd->v4l2_dev,
+                                         soc_camera_grp_id(icd), video,
                                         s_mbus_fmt, mf);
        if (ret < 0)
                return ret;
@@ -1426,8 +1430,9 @@ static int client_s_fmt(struct soc_camera_device *icd,
                tmp_h = min(2 * tmp_h, max_height);
                mf->width = tmp_w;
                mf->height = tmp_h;
-                ret = v4l2_device_call_until_err(sd->v4l2_dev, (long)icd, video,
+                ret = v4l2_device_call_until_err(sd->v4l2_dev,
-                                                 s_mbus_fmt, mf);
+                                        soc_camera_grp_id(icd), video,
+                                        s_mbus_fmt, mf);
                dev_geo(dev, "Camera scaled to %ux%u\n",
                        mf->width, mf->height);
                if (ret < 0) {
@@ -1580,8 +1585,9 @@ static int sh_mobile_ceu_set_crop(struct soc_camera_device *icd,
        }
        if (interm_width < icd->user_width || interm_height < icd->user_height) {
-                ret = v4l2_device_call_until_err(sd->v4l2_dev, (int)icd, video,
+                ret = v4l2_device_call_until_err(sd->v4l2_dev,
-                                                 s_mbus_fmt, &mf);
+                                        soc_camera_grp_id(icd), video,
+                                        s_mbus_fmt, &mf);
                if (ret < 0)
                        return ret;
@@ -1867,7 +1873,8 @@ static int sh_mobile_ceu_try_fmt(struct soc_camera_device *icd,
        mf.code         = xlate->code;
        mf.colorspace   = pix->colorspace;
-        ret = v4l2_device_call_until_err(sd->v4l2_dev, (long)icd, video, try_mbus_fmt, &mf);
+        ret = v4l2_device_call_until_err(sd->v4l2_dev, soc_camera_grp_id(icd),
+                                         video, try_mbus_fmt, &mf);
        if (ret < 0)
                return ret;
@@ -1891,8 +1898,9 @@ static int sh_mobile_ceu_try_fmt(struct soc_camera_device *icd,
                         */
                        mf.width = 2560;
                        mf.height = 1920;
-                        ret = v4l2_device_call_until_err(sd->v4l2_dev, (long)icd, video,
+                        ret = v4l2_device_call_until_err(sd->v4l2_dev,
-                                                         try_mbus_fmt, &mf);
+                                        soc_camera_grp_id(icd), video,
+                                        try_mbus_fmt, &mf);
                        if (ret < 0) {
                                /* Shouldn't actually happen... */
                                dev_err(icd->parent,
diff --git a/drivers/media/video/sh_mobile_csi2.c b/drivers/media/video/sh_mobile_csi2.c
index ea4f0473ed3b..8a652b53ff7e 100644
--- a/drivers/media/video/sh_mobile_csi2.c
+++ b/drivers/media/video/sh_mobile_csi2.c
@@ -143,7 +143,7 @@ static int sh_csi2_s_mbus_config(struct v4l2_subdev *sd,
                                 const struct v4l2_mbus_config *cfg)
 {
        struct sh_csi2 *priv = container_of(sd, struct sh_csi2, subdev);
-        struct soc_camera_device *icd = (struct soc_camera_device *)sd->grp_id;
+        struct soc_camera_device *icd = v4l2_get_subdev_hostdata(sd);
        struct v4l2_subdev *client_sd = soc_camera_to_subdev(icd);
        struct v4l2_mbus_config client_cfg = {.type = V4L2_MBUS_CSI2,
                                              .flags = priv->mipi_flags};
@@ -202,7 +202,7 @@ static void sh_csi2_hwinit(struct sh_csi2 *priv)
 static int sh_csi2_client_connect(struct sh_csi2 *priv)
 {
        struct sh_csi2_pdata *pdata = priv->pdev->dev.platform_data;
-        struct soc_camera_device *icd = (struct soc_camera_device *)priv->subdev.grp_id;
+        struct soc_camera_device *icd = v4l2_get_subdev_hostdata(&priv->subdev);
        struct v4l2_subdev *client_sd = soc_camera_to_subdev(icd);
        struct device *dev = v4l2_get_subdevdata(&priv->subdev);
        struct v4l2_mbus_config cfg;
diff --git a/drivers/media/video/soc_camera.c b/drivers/media/video/soc_camera.c
index b72580c38957..62e4312515cb 100644
--- a/drivers/media/video/soc_camera.c
+++ b/drivers/media/video/soc_camera.c
@@ -1103,7 +1103,8 @@ static int soc_camera_probe(struct soc_camera_device *icd)
        }
        sd = soc_camera_to_subdev(icd);
-        sd->grp_id = (long)icd;
+        sd->grp_id = soc_camera_grp_id(icd);
+        v4l2_set_subdev_hostdata(sd, icd);
        if (v4l2_ctrl_add_handler(&icd->ctrl_handler, sd->ctrl_handler))
                goto ectrl;
diff --git a/drivers/mfd/ab5500-debugfs.c b/drivers/mfd/ab5500-debugfs.c
index 43c0ebb81956..b7b2d3483fd4 100644
--- a/drivers/mfd/ab5500-debugfs.c
+++ b/drivers/mfd/ab5500-debugfs.c
@@ -4,7 +4,7 @@
 * Debugfs support for the AB5500 MFD driver
 */
-#include <linux/export.h>
+#include <linux/module.h>
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
 #include <linux/mfd/ab5500/ab5500.h>
diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
index 1e9173804ede..d3d572b2317b 100644
--- a/drivers/mfd/ab8500-core.c
+++ b/drivers/mfd/ab8500-core.c
@@ -620,6 +620,7 @@ static struct resource __devinitdata ab8500_fg_resources[] = {
 static struct resource __devinitdata ab8500_chargalg_resources[] = {};
+#ifdef CONFIG_DEBUG_FS
 static struct resource __devinitdata ab8500_debug_resources[] = {
        {
                .name   = "IRQ_FIRST",
@@ -634,6 +635,7 @@ static struct resource __devinitdata ab8500_debug_resources[] = {
                .flags  = IORESOURCE_IRQ,
        },
 };
+#endif
 static struct resource __devinitdata ab8500_usb_resources[] = {
        {
diff --git a/drivers/mfd/adp5520.c b/drivers/mfd/adp5520.c
index f1d88483112c..8d816cce8322 100644
--- a/drivers/mfd/adp5520.c
+++ b/drivers/mfd/adp5520.c
@@ -109,7 +109,7 @@ int adp5520_set_bits(struct device *dev, int reg, uint8_t bit_mask)
        ret = __adp5520_read(chip->client, reg, &reg_val);
-        if (!ret && ((reg_val & bit_mask) == 0)) {
+        if (!ret && ((reg_val & bit_mask) != bit_mask)) {
                reg_val |= bit_mask;
                ret = __adp5520_write(chip->client, reg, reg_val);
        }
diff --git a/drivers/mfd/da903x.c b/drivers/mfd/da903x.c
index 1b79c37fd599..1924b857a0fb 100644
--- a/drivers/mfd/da903x.c
+++ b/drivers/mfd/da903x.c
@@ -182,7 +182,7 @@ int da903x_set_bits(struct device *dev, int reg, uint8_t bit_mask)
        if (ret)
                goto out;
-        if ((reg_val & bit_mask) == 0) {
+        if ((reg_val & bit_mask) != bit_mask) {
                reg_val |= bit_mask;
                ret = __da903x_write(chip->client, reg, reg_val);
        }
@@ -549,6 +549,7 @@ static int __devexit da903x_remove(struct i2c_client *client)
        struct da903x_chip *chip = i2c_get_clientdata(client);
        da903x_remove_subdevs(chip);
+        free_irq(client->irq, chip);
        kfree(chip);
        return 0;
 }
diff --git a/drivers/mfd/jz4740-adc.c b/drivers/mfd/jz4740-adc.c
index 1e9ee533eacb..ef39528088f2 100644
--- a/drivers/mfd/jz4740-adc.c
+++ b/drivers/mfd/jz4740-adc.c
@@ -16,6 +16,7 @@
 */
 #include <linux/err.h>
+#include <linux/io.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c
index bba26d96c240..a5ddf31b60ca 100644
--- a/drivers/mfd/tps6586x.c
+++ b/drivers/mfd/tps6586x.c
@@ -197,7 +197,7 @@ int tps6586x_set_bits(struct device *dev, int reg, uint8_t bit_mask)
        if (ret)
                goto out;
-        if ((reg_val & bit_mask) == 0) {
+        if ((reg_val & bit_mask) != bit_mask) {
                reg_val |= bit_mask;
                ret = __tps6586x_write(to_i2c_client(dev), reg, reg_val);
        }
diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c
index 6f5b8cf2f652..c1da84bc1573 100644
--- a/drivers/mfd/tps65910.c
+++ b/drivers/mfd/tps65910.c
@@ -120,7 +120,7 @@ int tps65910_clear_bits(struct tps65910 *tps65910, u8 reg, u8 mask)
                goto out;
        }
-        data &= mask;
+        data &= ~mask;
        err = tps65910_i2c_write(tps65910, reg, 1, &data);
        if (err)
                dev_err(tps65910->dev, "write to reg %x failed\n", reg);
diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index bfbd66021afd..61e70cfaa774 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -363,13 +363,13 @@ int twl_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes)
                pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no);
                return -EPERM;
        }
-        sid = twl_map[mod_no].sid;
-        twl = &twl_modules[sid];
        if (unlikely(!inuse)) {
-                pr_err("%s: client %d is not initialized\n", DRIVER_NAME, sid);
+                pr_err("%s: not initialized\n", DRIVER_NAME);
                return -EPERM;
        }
+        sid = twl_map[mod_no].sid;
+        twl = &twl_modules[sid];
        mutex_lock(&twl->xfer_lock);
        /*
         * [MSG1]: fill the register address data
@@ -420,13 +420,13 @@ int twl_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes)
                pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no);
                return -EPERM;
        }
-        sid = twl_map[mod_no].sid;
-        twl = &twl_modules[sid];
        if (unlikely(!inuse)) {
-                pr_err("%s: client %d is not initialized\n", DRIVER_NAME, sid);
+                pr_err("%s: not initialized\n", DRIVER_NAME);
                return -EPERM;
        }
+        sid = twl_map[mod_no].sid;
+        twl = &twl_modules[sid];
        mutex_lock(&twl->xfer_lock);
        /* [MSG1] fill the register address data */
        msg = &twl->xfer_msg[0];
diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c
index f062c8cc6c38..29f11e0765fe 100644
--- a/drivers/mfd/twl4030-irq.c
+++ b/drivers/mfd/twl4030-irq.c
@@ -432,6 +432,7 @@ struct sih_agent {
        u32                     edge_change;
        struct mutex            irq_lock;
+        char                    *irq_name;
 };
 /*----------------------------------------------------------------------*/
@@ -589,7 +590,7 @@ static inline int sih_read_isr(const struct sih *sih)
 * Generic handler for SIH interrupts ... we "know" this is called
 * in task context, with IRQs enabled.
 */
-static void handle_twl4030_sih(unsigned irq, struct irq_desc *desc)
+static irqreturn_t handle_twl4030_sih(int irq, void *data)
 {
        struct sih_agent *agent = irq_get_handler_data(irq);
        const struct sih *sih = agent->sih;
@@ -602,7 +603,7 @@ static void handle_twl4030_sih(unsigned irq, struct irq_desc *desc)
                pr_err("twl4030: %s SIH, read ISR error %d\n",
                        sih->name, isr);
                /* REVISIT:  recover; eventually mask it all, etc */
-                return;
+                return IRQ_HANDLED;
        }
        while (isr) {
@@ -616,6 +617,7 @@ static void handle_twl4030_sih(unsigned irq, struct irq_desc *desc)
                        pr_err("twl4030: %s SIH, invalid ISR bit %d\n",
                                sih->name, irq);
        }
+        return IRQ_HANDLED;
 }
 static unsigned twl4030_irq_next;
@@ -668,18 +670,19 @@ int twl4030_sih_setup(int module)
                activate_irq(irq);
        }
-        status = irq_base;
        twl4030_irq_next += i;
        /* replace generic PIH handler (handle_simple_irq) */
        irq = sih_mod + twl4030_irq_base;
        irq_set_handler_data(irq, agent);
-        irq_set_chained_handler(irq, handle_twl4030_sih);
+        agent->irq_name = kasprintf(GFP_KERNEL, "twl4030_%s", sih->name);
+        status = request_threaded_irq(irq, NULL, handle_twl4030_sih, 0,
+                                      agent->irq_name ?: sih->name, NULL);
        pr_info("twl4030: %s (irq %d) chaining IRQs %d..%d\n", sih->name,
                        irq, irq_base, twl4030_irq_next - 1);
-        return status;
+        return status < 0 ? status : irq_base;
 }
 /* FIXME need a call to reverse twl4030_sih_setup() ... */
@@ -733,8 +736,9 @@ int twl4030_init_irq(int irq_num, unsigned irq_base, unsigned irq_end)
        }
        /* install an irq handler to demultiplex the TWL4030 interrupt */
-        status = request_threaded_irq(irq_num, NULL, handle_twl4030_pih, 0,
+        status = request_threaded_irq(irq_num, NULL, handle_twl4030_pih,
-                                        "TWL4030-PIH", NULL);
+                                      IRQF_ONESHOT,
+                                      "TWL4030-PIH", NULL);
        if (status < 0) {
                pr_err("twl4030: could not claim irq%d: %d\n", irq_num, status);
                goto fail_rqirq;
diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index 5d6ba132837e..61894fced8ea 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -239,6 +239,7 @@ static int wm8994_suspend(struct device *dev)
        switch (wm8994->type) {
        case WM8958:
+        case WM1811:
                ret = wm8994_reg_read(wm8994, WM8958_MIC_DETECT_1);
                if (ret < 0) {
                        dev_err(dev, "Failed to read power status: %d\n", ret);
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index e8a5eb38748b..d31c78b72b0f 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -302,17 +302,6 @@ struct mmc_host *mmc_alloc_host(int extra, struct device *dev)
        host->max_blk_size = 512;
        host->max_blk_count = PAGE_CACHE_SIZE / 512;
-        /*
-         * Enable runtime power management by default. This flag was added due
-         * to runtime power management causing disruption for some users, but
-         * the power on/off code has been improved since then.
-         *
-         * We'll enable this flag by default as an experiment, and if no
-         * problems are reported, we will follow up later and remove the flag
-         * altogether.
-         */
-        host->caps = MMC_CAP_POWER_OFF_CARD;
        return host;
 free:
diff --git a/drivers/mmc/host/sdhci-cns3xxx.c b/drivers/mmc/host/sdhci-cns3xxx.c
index 87b6f079b6e0..b4257e700617 100644
--- a/drivers/mmc/host/sdhci-cns3xxx.c
+++ b/drivers/mmc/host/sdhci-cns3xxx.c
@@ -109,13 +109,10 @@ static struct platform_driver sdhci_cns3xxx_driver = {
        .driver         = {
                .name   = "sdhci-cns3xxx",
                .owner  = THIS_MODULE,
+                .pm     = SDHCI_PLTFM_PMOPS,
        },
        .probe          = sdhci_cns3xxx_probe,
        .remove         = __devexit_p(sdhci_cns3xxx_remove),
-#ifdef CONFIG_PM
-        .suspend        = sdhci_pltfm_suspend,
-        .resume         = sdhci_pltfm_resume,
-#endif
 };
 static int __init sdhci_cns3xxx_init(void)
diff --git a/drivers/mmc/host/sdhci-dove.c b/drivers/mmc/host/sdhci-dove.c
index f2d29dca4420..a81312c91f70 100644
--- a/drivers/mmc/host/sdhci-dove.c
+++ b/drivers/mmc/host/sdhci-dove.c
@@ -82,13 +82,10 @@ static struct platform_driver sdhci_dove_driver = {
        .driver         = {
                .name   = "sdhci-dove",
                .owner  = THIS_MODULE,
+                .pm     = SDHCI_PLTFM_PMOPS,
        },
        .probe          = sdhci_dove_probe,
        .remove         = __devexit_p(sdhci_dove_remove),
-#ifdef CONFIG_PM
-        .suspend        = sdhci_pltfm_suspend,
-        .resume         = sdhci_pltfm_resume,
-#endif
 };
 static int __init sdhci_dove_init(void)
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 4b976f00ea85..38ebc4ea259f 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -599,14 +599,11 @@ static struct platform_driver sdhci_esdhc_imx_driver = {
                .name   = "sdhci-esdhc-imx",
                .owner  = THIS_MODULE,
                .of_match_table = imx_esdhc_dt_ids,
+                .pm     = SDHCI_PLTFM_PMOPS,
        },
        .id_table       = imx_esdhc_devtype,
        .probe          = sdhci_esdhc_imx_probe,
        .remove         = __devexit_p(sdhci_esdhc_imx_remove),
-#ifdef CONFIG_PM
-        .suspend        = sdhci_pltfm_suspend,
-        .resume         = sdhci_pltfm_resume,
-#endif
 };
 static int __init sdhci_esdhc_imx_init(void)
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
index 59e9d003e589..01e5f627e0f0 100644
--- a/drivers/mmc/host/sdhci-of-esdhc.c
+++ b/drivers/mmc/host/sdhci-of-esdhc.c
@@ -125,13 +125,10 @@ static struct platform_driver sdhci_esdhc_driver = {
                .name = "sdhci-esdhc",
                .owner = THIS_MODULE,
                .of_match_table = sdhci_esdhc_of_match,
+                .pm = SDHCI_PLTFM_PMOPS,
        },
        .probe = sdhci_esdhc_probe,
        .remove = __devexit_p(sdhci_esdhc_remove),
-#ifdef CONFIG_PM
-        .suspend = sdhci_pltfm_suspend,
-        .resume = sdhci_pltfm_resume,
-#endif
 };
 static int __init sdhci_esdhc_init(void)
diff --git a/drivers/mmc/host/sdhci-of-hlwd.c b/drivers/mmc/host/sdhci-of-hlwd.c
index 9b0d794a4f69..3619adc7d9fc 100644
--- a/drivers/mmc/host/sdhci-of-hlwd.c
+++ b/drivers/mmc/host/sdhci-of-hlwd.c
@@ -87,13 +87,10 @@ static struct platform_driver sdhci_hlwd_driver = {
                .name = "sdhci-hlwd",
                .owner = THIS_MODULE,
                .of_match_table = sdhci_hlwd_of_match,
+                .pm = SDHCI_PLTFM_PMOPS,
        },
        .probe = sdhci_hlwd_probe,
        .remove = __devexit_p(sdhci_hlwd_remove),
-#ifdef CONFIG_PM
-        .suspend = sdhci_pltfm_suspend,
-        .resume = sdhci_pltfm_resume,
-#endif
 };
 static int __init sdhci_hlwd_init(void)
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index d833d9c2f7e3..6878a94626bc 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -54,8 +54,7 @@ struct sdhci_pci_fixes {
        int                     (*probe_slot) (struct sdhci_pci_slot *);
        void                    (*remove_slot) (struct sdhci_pci_slot *, int);
-        int                     (*suspend) (struct sdhci_pci_chip *,
+        int                     (*suspend) (struct sdhci_pci_chip *);
-                                        pm_message_t);
        int                     (*resume) (struct sdhci_pci_chip *);
 };
@@ -549,7 +548,7 @@ static void jmicron_remove_slot(struct sdhci_pci_slot *slot, int dead)
                jmicron_enable_mmc(slot->host, 0);
 }
-static int jmicron_suspend(struct sdhci_pci_chip *chip, pm_message_t state)
+static int jmicron_suspend(struct sdhci_pci_chip *chip)
 {
        int i;
@@ -993,8 +992,9 @@ static struct sdhci_ops sdhci_pci_ops = {
 #ifdef CONFIG_PM
-static int sdhci_pci_suspend(struct pci_dev *pdev, pm_message_t state)
+static int sdhci_pci_suspend(struct device *dev)
 {
+        struct pci_dev *pdev = to_pci_dev(dev);
        struct sdhci_pci_chip *chip;
        struct sdhci_pci_slot *slot;
        mmc_pm_flag_t slot_pm_flags;
@@ -1010,7 +1010,7 @@ static int sdhci_pci_suspend(struct pci_dev *pdev, pm_message_t state)
                if (!slot)
                        continue;
-                ret = sdhci_suspend_host(slot->host, state);
+                ret = sdhci_suspend_host(slot->host);
                if (ret) {
                        for (i--; i >= 0; i--)
@@ -1026,7 +1026,7 @@ static int sdhci_pci_suspend(struct pci_dev *pdev, pm_message_t state)
        }
        if (chip->fixes && chip->fixes->suspend) {
-                ret = chip->fixes->suspend(chip, state);
+                ret = chip->fixes->suspend(chip);
                if (ret) {
                        for (i = chip->num_slots - 1; i >= 0; i--)
                                sdhci_resume_host(chip->slots[i]->host);
@@ -1042,16 +1042,17 @@ static int sdhci_pci_suspend(struct pci_dev *pdev, pm_message_t state)
                }
                pci_set_power_state(pdev, PCI_D3hot);
        } else {
-                pci_enable_wake(pdev, pci_choose_state(pdev, state), 0);
+                pci_enable_wake(pdev, PCI_D3hot, 0);
                pci_disable_device(pdev);
-                pci_set_power_state(pdev, pci_choose_state(pdev, state));
+                pci_set_power_state(pdev, PCI_D3hot);
        }
        return 0;
 }
-static int sdhci_pci_resume(struct pci_dev *pdev)
+static int sdhci_pci_resume(struct device *dev)
 {
+        struct pci_dev *pdev = to_pci_dev(dev);
        struct sdhci_pci_chip *chip;
        struct sdhci_pci_slot *slot;
        int i, ret;
@@ -1099,7 +1100,6 @@ static int sdhci_pci_runtime_suspend(struct device *dev)
        struct pci_dev *pdev = container_of(dev, struct pci_dev, dev);
        struct sdhci_pci_chip *chip;
        struct sdhci_pci_slot *slot;
-        pm_message_t state = { .event = PM_EVENT_SUSPEND };
        int i, ret;
        chip = pci_get_drvdata(pdev);
@@ -1121,7 +1121,7 @@ static int sdhci_pci_runtime_suspend(struct device *dev)
        }
        if (chip->fixes && chip->fixes->suspend) {
-                ret = chip->fixes->suspend(chip, state);
+                ret = chip->fixes->suspend(chip);
                if (ret) {
                        for (i = chip->num_slots - 1; i >= 0; i--)
                                sdhci_runtime_resume_host(chip->slots[i]->host);
@@ -1176,6 +1176,8 @@ static int sdhci_pci_runtime_idle(struct device *dev)
 #endif
 static const struct dev_pm_ops sdhci_pci_pm_ops = {
+        .suspend = sdhci_pci_suspend,
+        .resume = sdhci_pci_resume,
        .runtime_suspend = sdhci_pci_runtime_suspend,
        .runtime_resume = sdhci_pci_runtime_resume,
        .runtime_idle = sdhci_pci_runtime_idle,
@@ -1428,8 +1430,6 @@ static struct pci_driver sdhci_driver = {
        .id_table =     pci_ids,
        .probe =        sdhci_pci_probe,
        .remove =       __devexit_p(sdhci_pci_remove),
-        .suspend =      sdhci_pci_suspend,
-        .resume =       sdhci_pci_resume,
        .driver =       {
                .pm =   &sdhci_pci_pm_ops
        },
diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c
index a9e12ea05583..03970bcb3495 100644
--- a/drivers/mmc/host/sdhci-pltfm.c
+++ b/drivers/mmc/host/sdhci-pltfm.c
@@ -194,21 +194,25 @@ int sdhci_pltfm_unregister(struct platform_device *pdev)
 EXPORT_SYMBOL_GPL(sdhci_pltfm_unregister);
 #ifdef CONFIG_PM
-int sdhci_pltfm_suspend(struct platform_device *dev, pm_message_t state)
+static int sdhci_pltfm_suspend(struct device *dev)
 {
-        struct sdhci_host *host = platform_get_drvdata(dev);
+        struct sdhci_host *host = dev_get_drvdata(dev);
-        return sdhci_suspend_host(host, state);
+        return sdhci_suspend_host(host);
 }
-EXPORT_SYMBOL_GPL(sdhci_pltfm_suspend);
-int sdhci_pltfm_resume(struct platform_device *dev)
+static int sdhci_pltfm_resume(struct device *dev)
 {
-        struct sdhci_host *host = platform_get_drvdata(dev);
+        struct sdhci_host *host = dev_get_drvdata(dev);
        return sdhci_resume_host(host);
 }
-EXPORT_SYMBOL_GPL(sdhci_pltfm_resume);
+const struct dev_pm_ops sdhci_pltfm_pmops = {
+        .suspend        = sdhci_pltfm_suspend,
+        .resume         = sdhci_pltfm_resume,
+};
+EXPORT_SYMBOL_GPL(sdhci_pltfm_pmops);
 #endif  /* CONFIG_PM */
 static int __init sdhci_pltfm_drv_init(void)
diff --git a/drivers/mmc/host/sdhci-pltfm.h b/drivers/mmc/host/sdhci-pltfm.h
index 3a9fc3f40840..37e0e184a0bb 100644
--- a/drivers/mmc/host/sdhci-pltfm.h
+++ b/drivers/mmc/host/sdhci-pltfm.h
@@ -99,8 +99,10 @@ extern int sdhci_pltfm_register(struct platform_device *pdev,
 extern int sdhci_pltfm_unregister(struct platform_device *pdev);
 #ifdef CONFIG_PM
-extern int sdhci_pltfm_suspend(struct platform_device *dev, pm_message_t state);
+extern const struct dev_pm_ops sdhci_pltfm_pmops;
-extern int sdhci_pltfm_resume(struct platform_device *dev);
+#define SDHCI_PLTFM_PMOPS (&sdhci_pltfm_pmops)
+#else
+#define SDHCI_PLTFM_PMOPS NULL
 #endif
 #endif /* _DRIVERS_MMC_SDHCI_PLTFM_H */
diff --git a/drivers/mmc/host/sdhci-pxav2.c b/drivers/mmc/host/sdhci-pxav2.c
index d4bf6d30c7ba..7a039c3cb1f1 100644
--- a/drivers/mmc/host/sdhci-pxav2.c
+++ b/drivers/mmc/host/sdhci-pxav2.c
@@ -218,13 +218,10 @@ static struct platform_driver sdhci_pxav2_driver = {
        .driver         = {
                .name   = "sdhci-pxav2",
                .owner  = THIS_MODULE,
+                .pm     = SDHCI_PLTFM_PMOPS,
        },
        .probe          = sdhci_pxav2_probe,
        .remove         = __devexit_p(sdhci_pxav2_remove),
-#ifdef CONFIG_PM
-        .suspend        = sdhci_pltfm_suspend,
-        .resume         = sdhci_pltfm_resume,
-#endif
 };
 static int __init sdhci_pxav2_init(void)
 {
diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c
index cff4ad3e7a59..15673a7ee6a5 100644
--- a/drivers/mmc/host/sdhci-pxav3.c
+++ b/drivers/mmc/host/sdhci-pxav3.c
@@ -264,13 +264,10 @@ static struct platform_driver sdhci_pxav3_driver = {
        .driver         = {
                .name   = "sdhci-pxav3",
                .owner  = THIS_MODULE,
+                .pm     = SDHCI_PLTFM_PMOPS,
        },
        .probe          = sdhci_pxav3_probe,
        .remove         = __devexit_p(sdhci_pxav3_remove),
-#ifdef CONFIG_PM
-        .suspend        = sdhci_pltfm_suspend,
-        .resume         = sdhci_pltfm_resume,
-#endif
 };
 static int __init sdhci_pxav3_init(void)
 {
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index cb60c4197e0a..0d33ff0d67fb 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -622,23 +622,29 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
 #ifdef CONFIG_PM
-static int sdhci_s3c_suspend(struct platform_device *dev, pm_message_t pm)
+static int sdhci_s3c_suspend(struct device *dev)
 {
-        struct sdhci_host *host = platform_get_drvdata(dev);
+        struct sdhci_host *host = dev_get_drvdata(dev);
-        return sdhci_suspend_host(host, pm);
+        return sdhci_suspend_host(host);
 }
-static int sdhci_s3c_resume(struct platform_device *dev)
+static int sdhci_s3c_resume(struct device *dev)
 {
-        struct sdhci_host *host = platform_get_drvdata(dev);
+        struct sdhci_host *host = dev_get_drvdata(dev);
        return sdhci_resume_host(host);
 }
+static const struct dev_pm_ops sdhci_s3c_pmops = {
+        .suspend        = sdhci_s3c_suspend,
+        .resume         = sdhci_s3c_resume,
+};
+#define SDHCI_S3C_PMOPS (&sdhci_s3c_pmops)
 #else
-#define sdhci_s3c_suspend NULL
+#define SDHCI_S3C_PMOPS NULL
-#define sdhci_s3c_resume NULL
 #endif
 static struct platform_driver sdhci_s3c_driver = {
@@ -647,6 +653,7 @@ static struct platform_driver sdhci_s3c_driver = {
        .driver         = {
                .owner  = THIS_MODULE,
                .name   = "s3c-sdhci",
+                .pm     = SDHCI_S3C_PMOPS,
        },
 };
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index 89699e861fc1..e2e18d3f949c 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -318,13 +318,10 @@ static struct platform_driver sdhci_tegra_driver = {
                .name   = "sdhci-tegra",
                .owner  = THIS_MODULE,
                .of_match_table = sdhci_tegra_dt_match,
+                .pm     = SDHCI_PLTFM_PMOPS,
        },
        .probe          = sdhci_tegra_probe,
        .remove         = __devexit_p(sdhci_tegra_remove),
-#ifdef CONFIG_PM
-        .suspend        = sdhci_pltfm_suspend,
-        .resume         = sdhci_pltfm_resume,
-#endif
 };
 static int __init sdhci_tegra_init(void)
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 6d8eea323541..19ed580f2cab 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2327,7 +2327,7 @@ out:
 #ifdef CONFIG_PM
-int sdhci_suspend_host(struct sdhci_host *host, pm_message_t state)
+int sdhci_suspend_host(struct sdhci_host *host)
 {
        int ret;
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 0a5b65460d8a..a04d4d0c6fd2 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -374,7 +374,7 @@ extern int sdhci_add_host(struct sdhci_host *host);
 extern void sdhci_remove_host(struct sdhci_host *host, int dead);
 #ifdef CONFIG_PM
-extern int sdhci_suspend_host(struct sdhci_host *host, pm_message_t state);
+extern int sdhci_suspend_host(struct sdhci_host *host);
 extern int sdhci_resume_host(struct sdhci_host *host);
 extern void sdhci_enable_irq_wakeups(struct sdhci_host *host);
 #endif
diff --git a/drivers/mmc/host/vub300.c b/drivers/mmc/host/vub300.c
index e8f6e65183d7..2ec978bc32ba 100644
--- a/drivers/mmc/host/vub300.c
+++ b/drivers/mmc/host/vub300.c
@@ -259,7 +259,7 @@ static int firmware_rom_wait_states = 0x04;
 static int firmware_rom_wait_states = 0x1C;
 #endif
-module_param(firmware_rom_wait_states, bool, 0644);
+module_param(firmware_rom_wait_states, int, 0644);
 MODULE_PARM_DESC(firmware_rom_wait_states,
                 "ROM wait states byte=RRRIIEEE (Reserved Internal External)");
diff --git a/drivers/mtd/maps/plat-ram.c b/drivers/mtd/maps/plat-ram.c
index 94f553489725..45876d0e5b8e 100644
--- a/drivers/mtd/maps/plat-ram.c
+++ b/drivers/mtd/maps/plat-ram.c
@@ -227,10 +227,14 @@ static int platram_probe(struct platform_device *pdev)
        if (!err)
                dev_info(&pdev->dev, "registered mtd device\n");
-        /* add the whole device. */
+        if (pdata->nr_partitions) {
-        err = mtd_device_register(info->mtd, NULL, 0);
+                /* add the whole device. */
-        if (err)
+                err = mtd_device_register(info->mtd, NULL, 0);
-                dev_err(&pdev->dev, "failed to register the entire device\n");
+                if (err) {
+                        dev_err(&pdev->dev,
+                                "failed to register the entire device\n");
+                }
+        }
        return err;
diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c
index 411a17df9fc1..2a25b6789af4 100644
--- a/drivers/mtd/maps/pxa2xx-flash.c
+++ b/drivers/mtd/maps/pxa2xx-flash.c
@@ -98,7 +98,7 @@ static int __devinit pxa2xx_flash_probe(struct platform_device *pdev)
        }
        info->mtd->owner = THIS_MODULE;
-        mtd_device_parse_register(info->mtd, probes, 0, NULL, 0);
+        mtd_device_parse_register(info->mtd, probes, 0, flash->parts, flash->nr_parts);
        platform_set_drvdata(pdev, info);
        return 0;
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index 071b63420f0e..493ec2fcf97f 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -21,9 +21,9 @@
 #include <linux/clk.h>
 #include <linux/slab.h>
 #include <linux/interrupt.h>
+#include <linux/module.h>
 #include <linux/mtd/gpmi-nand.h>
 #include <linux/mtd/partitions.h>
 #include "gpmi-nand.h"
 /* add our owner bbt descriptor */
diff --git a/drivers/mtd/nand/ndfc.c b/drivers/mtd/nand/ndfc.c
index ee1713907b92..f8aacf48ecdd 100644
--- a/drivers/mtd/nand/ndfc.c
+++ b/drivers/mtd/nand/ndfc.c
@@ -188,7 +188,7 @@ static int ndfc_chip_init(struct ndfc_controller *ndfc,
        if (!flash_np)
                return -ENODEV;
-        ppdata->of_node = flash_np;
+        ppdata.of_node = flash_np;
        ndfc->mtd.name = kasprintf(GFP_KERNEL, "%s.%s",
                        dev_name(&ndfc->ofdev->dev), flash_np->name);
        if (!ndfc->mtd.name) {
diff --git a/drivers/oprofile/oprofile_files.c b/drivers/oprofile/oprofile_files.c
index 89f63456646f..84a208dbed93 100644
--- a/drivers/oprofile/oprofile_files.c
+++ b/drivers/oprofile/oprofile_files.c
@@ -45,7 +45,7 @@ static ssize_t timeout_write(struct file *file, char const __user *buf,
                return -EINVAL;
        retval = oprofilefs_ulong_from_user(&val, buf, count);
-        if (retval)
+        if (retval <= 0)
                return retval;
        retval = oprofile_set_timeout(val);
@@ -84,7 +84,7 @@ static ssize_t depth_write(struct file *file, char const __user *buf, size_t cou
                return -EINVAL;
        retval = oprofilefs_ulong_from_user(&val, buf, count);
-        if (retval)
+        if (retval <= 0)
                return retval;
        retval = oprofile_set_ulong(&oprofile_backtrace_depth, val);
@@ -141,9 +141,10 @@ static ssize_t enable_write(struct file *file, char const __user *buf, size_t co
                return -EINVAL;
        retval = oprofilefs_ulong_from_user(&val, buf, count);
-        if (retval)
+        if (retval <= 0)
                return retval;
+        retval = 0;
        if (val)
                retval = oprofile_start();
        else
diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c
index d0de6cc2d7a5..2f0aa0f700e6 100644
--- a/drivers/oprofile/oprofilefs.c
+++ b/drivers/oprofile/oprofilefs.c
@@ -60,6 +60,13 @@ ssize_t oprofilefs_ulong_to_user(unsigned long val, char __user *buf, size_t cou
 }
+/*
+ * Note: If oprofilefs_ulong_from_user() returns 0, then *val remains
+ * unchanged and might be uninitialized. This follows write syscall
+ * implementation when count is zero: "If count is zero ... [and if]
+ * no errors are detected, 0 will be returned without causing any
+ * other effect." (man 2 write)
+ */
 int oprofilefs_ulong_from_user(unsigned long *val, char const __user *buf, size_t count)
 {
        char tmpbuf[TMPBUFSIZE];
@@ -79,7 +86,7 @@ int oprofilefs_ulong_from_user(unsigned long *val, char const __user *buf, size_
        raw_spin_lock_irqsave(&oprofilefs_lock, flags);
        *val = simple_strtoul(tmpbuf, NULL, 0);
        raw_spin_unlock_irqrestore(&oprofilefs_lock, flags);
-        return 0;
+        return count;
 }
@@ -99,7 +106,7 @@ static ssize_t ulong_write_file(struct file *file, char const __user *buf, size_
                return -EINVAL;
        retval = oprofilefs_ulong_from_user(&value, buf, count);
-        if (retval)
+        if (retval <= 0)
                return retval;
        retval = oprofile_set_ulong(file->private_data, value);
diff --git a/drivers/pci/ats.c b/drivers/pci/ats.c
index 7ec56fb0bd78..b0dd08e6a9da 100644
--- a/drivers/pci/ats.c
+++ b/drivers/pci/ats.c
@@ -13,6 +13,7 @@
 #include <linux/export.h>
 #include <linux/pci-ats.h>
 #include <linux/pci.h>
+#include <linux/slab.h>
 #include "pci.h"
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index fce1c54a0c8d..9ddf69e3bbef 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -132,6 +132,18 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
        if (!acpi_pci_check_ejectable(pbus, handle) && !is_dock_device(handle))
                return AE_OK;
+        pdev = pbus->self;
+        if (pdev && pci_is_pcie(pdev)) {
+                tmp = acpi_find_root_bridge_handle(pdev);
+                if (tmp) {
+                        struct acpi_pci_root *root = acpi_pci_find_root(tmp);
+                        if (root && (root->osc_control_set &
+                                        OSC_PCI_EXPRESS_NATIVE_HP_CONTROL))
+                                return AE_OK;
+                }
+        }
        acpi_evaluate_integer(handle, "_ADR", NULL, &adr);
        device = (adr >> 16) & 0xffff;
        function = adr & 0xffff;
@@ -213,7 +225,6 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
        pdev = pci_get_slot(pbus, PCI_DEVFN(device, function));
        if (pdev) {
-                pdev->current_state = PCI_D0;
                slot->flags |= (SLOT_ENABLED | SLOT_POWEREDON);
                pci_dev_put(pdev);
        }
@@ -459,17 +470,8 @@ static int add_bridge(acpi_handle handle)
 {
        acpi_status status;
        unsigned long long tmp;
-        struct acpi_pci_root *root;
        acpi_handle dummy_handle;
-        /*
-         * We shouldn't use this bridge if PCIe native hotplug control has been
-         * granted by the BIOS for it.
-         */
-        root = acpi_pci_find_root(handle);
-        if (root && (root->osc_control_set & OSC_PCI_EXPRESS_NATIVE_HP_CONTROL))
-                return -ENODEV;
        /* if the bridge doesn't have _STA, we assume it is always there */
        status = acpi_get_handle(handle, "_STA", &dummy_handle);
        if (ACPI_SUCCESS(status)) {
@@ -1385,19 +1387,11 @@ static void handle_hotplug_event_func(acpi_handle handle, u32 type,
 static acpi_status
 find_root_bridges(acpi_handle handle, u32 lvl, void *context, void **rv)
 {
-        struct acpi_pci_root *root;
        int *count = (int *)context;
        if (!acpi_is_root_bridge(handle))
                return AE_OK;
-        root = acpi_pci_find_root(handle);
-        if (!root)
-                return AE_OK;
-        if (root->osc_control_set & OSC_PCI_EXPRESS_NATIVE_HP_CONTROL)
-                return AE_OK;
        (*count)++;
        acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
                                    handle_hotplug_event_bridge, NULL);
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index b82c155d7b37..1969a3ee3058 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -283,6 +283,7 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
        struct resource *res;
        struct pci_dev *pdev;
        struct pci_sriov *iov = dev->sriov;
+        int bars = 0;
        if (!nr_virtfn)
                return 0;
@@ -307,6 +308,7 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
        nres = 0;
        for (i = 0; i < PCI_SRIOV_NUM_BARS; i++) {
+                bars |= (1 << (i + PCI_IOV_RESOURCES));
                res = dev->resource + PCI_IOV_RESOURCES + i;
                if (res->parent)
                        nres++;
@@ -324,6 +326,11 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
                return -ENOMEM;
        }
+        if (pci_enable_resources(dev, bars)) {
+                dev_err(&dev->dev, "SR-IOV: IOV BARS not allocated\n");
+                return -ENOMEM;
+        }
        if (iov->link != dev->devfn) {
                pdev = pci_get_slot(dev->bus, iov->link);
                if (!pdev)
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 6f45a73c6e9f..6d4a5319148d 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -664,6 +664,9 @@ static int pci_platform_power_transition(struct pci_dev *dev, pci_power_t state)
                error = platform_pci_set_power_state(dev, state);
                if (!error)
                        pci_update_current_state(dev, state);
+                /* Fall back to PCI_D0 if native PM is not supported */
+                if (!dev->pm_cap)
+                        dev->current_state = PCI_D0;
        } else {
                error = -ENODEV;
                /* Fall back to PCI_D0 if native PM is not supported */
@@ -1126,7 +1129,11 @@ static int __pci_enable_device_flags(struct pci_dev *dev,
        if (atomic_add_return(1, &dev->enable_cnt) > 1)
                return 0;               /* already enabled */
-        for (i = 0; i < DEVICE_COUNT_RESOURCE; i++)
+        /* only skip sriov related */
+        for (i = 0; i <= PCI_ROM_RESOURCE; i++)
+                if (dev->resource[i].flags & flags)
+                        bars |= (1 << i);
+        for (i = PCI_BRIDGE_RESOURCES; i < DEVICE_COUNT_RESOURCE; i++)
                if (dev->resource[i].flags & flags)
                        bars |= (1 << i);
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index fa4d9f324189..3bcc7cfcaba7 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -73,6 +73,8 @@ int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm)
                err = -EINVAL;
        mutex_unlock(&rtc->ops_lock);
+        /* A timer might have just expired */
+        schedule_work(&rtc->irqwork);
        return err;
 }
 EXPORT_SYMBOL_GPL(rtc_set_time);
@@ -112,6 +114,8 @@ int rtc_set_mmss(struct rtc_device *rtc, unsigned long secs)
                err = -EINVAL;
        mutex_unlock(&rtc->ops_lock);
+        /* A timer might have just expired */
+        schedule_work(&rtc->irqwork);
        return err;
 }
@@ -403,6 +407,8 @@ int rtc_initialize_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
                timerqueue_add(&rtc->timerqueue, &rtc->aie_timer.node);
        }
        mutex_unlock(&rtc->ops_lock);
+        /* maybe that was in the past.*/
+        schedule_work(&rtc->irqwork);
        return err;
 }
 EXPORT_SYMBOL_GPL(rtc_initialize_alarm);
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index eda128fc1d38..64aedd8cc095 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -357,10 +357,19 @@ static int m41t80_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *t)
 static struct rtc_class_ops m41t80_rtc_ops = {
        .read_time = m41t80_rtc_read_time,
        .set_time = m41t80_rtc_set_time,
+        /*
+         * XXX - m41t80 alarm functionality is reported broken.
+         * until it is fixed, don't register alarm functions.
+         *
        .read_alarm = m41t80_rtc_read_alarm,
        .set_alarm = m41t80_rtc_set_alarm,
+        */
        .proc = m41t80_rtc_proc,
+        /*
+         * See above comment on broken alarm
+         *
        .alarm_irq_enable = m41t80_rtc_alarm_irq_enable,
+        */
 };
 #if defined(CONFIG_RTC_INTF_SYSFS) || defined(CONFIG_RTC_INTF_SYSFS_MODULE)
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 11f07f888223..b79576b64f45 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -55,6 +55,10 @@ static void zfcp_scsi_slave_destroy(struct scsi_device *sdev)
 {
        struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev);
+        /* if previous slave_alloc returned early, there is nothing to do */
+        if (!zfcp_sdev->port)
+                return;
        zfcp_erp_lun_shutdown_wait(sdev, "scssd_1");
        put_device(&zfcp_sdev->port->dev);
 }
diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c
index dba72a4e6a1c..1ad0b8225560 100644
--- a/drivers/scsi/bnx2i/bnx2i_hwi.c
+++ b/drivers/scsi/bnx2i/bnx2i_hwi.c
@@ -1906,18 +1906,19 @@ static int bnx2i_queue_scsi_cmd_resp(struct iscsi_session *session,
        spin_lock(&session->lock);
        task = iscsi_itt_to_task(bnx2i_conn->cls_conn->dd_data,
                                 cqe->itt & ISCSI_CMD_RESPONSE_INDEX);
-        if (!task) {
+        if (!task || !task->sc) {
                spin_unlock(&session->lock);
                return -EINVAL;
        }
        sc = task->sc;
-        spin_unlock(&session->lock);
        if (!blk_rq_cpu_valid(sc->request))
                cpu = smp_processor_id();
        else
                cpu = sc->request->cpu;
+        spin_unlock(&session->lock);
        p = &per_cpu(bnx2i_percpu, cpu);
        spin_lock(&p->p_work_lock);
        if (unlikely(!p->iothread)) {
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index cefbe44bb84a..8d67467dd9ce 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -31,6 +31,8 @@
 #include <linux/sysfs.h>
 #include <linux/ctype.h>
 #include <linux/workqueue.h>
+#include <net/dcbnl.h>
+#include <net/dcbevent.h>
 #include <scsi/scsi_tcq.h>
 #include <scsi/scsicam.h>
 #include <scsi/scsi_transport.h>
@@ -101,6 +103,8 @@ static int fcoe_ddp_done(struct fc_lport *, u16);
 static int fcoe_ddp_target(struct fc_lport *, u16, struct scatterlist *,
                           unsigned int);
 static int fcoe_cpu_callback(struct notifier_block *, unsigned long, void *);
+static int fcoe_dcb_app_notification(struct notifier_block *notifier,
+                                     ulong event, void *ptr);
 static bool fcoe_match(struct net_device *netdev);
 static int fcoe_create(struct net_device *netdev, enum fip_state fip_mode);
@@ -129,6 +133,11 @@ static struct notifier_block fcoe_cpu_notifier = {
        .notifier_call = fcoe_cpu_callback,
 };
+/* notification function for DCB events */
+static struct notifier_block dcb_notifier = {
+        .notifier_call = fcoe_dcb_app_notification,
+};
 static struct scsi_transport_template *fcoe_nport_scsi_transport;
 static struct scsi_transport_template *fcoe_vport_scsi_transport;
@@ -1522,6 +1531,8 @@ int fcoe_xmit(struct fc_lport *lport, struct fc_frame *fp)
        skb_reset_network_header(skb);
        skb->mac_len = elen;
        skb->protocol = htons(ETH_P_FCOE);
+        skb->priority = port->priority;
        if (fcoe->netdev->priv_flags & IFF_802_1Q_VLAN &&
            fcoe->realdev->features & NETIF_F_HW_VLAN_TX) {
                skb->vlan_tci = VLAN_TAG_PRESENT |
@@ -1624,6 +1635,7 @@ static inline int fcoe_filter_frames(struct fc_lport *lport,
        stats->InvalidCRCCount++;
        if (stats->InvalidCRCCount < 5)
                printk(KERN_WARNING "fcoe: dropping frame with CRC error\n");
+        put_cpu();
        return -EINVAL;
 }
@@ -1746,6 +1758,7 @@ int fcoe_percpu_receive_thread(void *arg)
 */
 static void fcoe_dev_setup(void)
 {
+        register_dcbevent_notifier(&dcb_notifier);
        register_netdevice_notifier(&fcoe_notifier);
 }
@@ -1754,9 +1767,69 @@ static void fcoe_dev_setup(void)
 */
 static void fcoe_dev_cleanup(void)
 {
+        unregister_dcbevent_notifier(&dcb_notifier);
        unregister_netdevice_notifier(&fcoe_notifier);
 }
+static struct fcoe_interface *
+fcoe_hostlist_lookup_realdev_port(struct net_device *netdev)
+{
+        struct fcoe_interface *fcoe;
+        struct net_device *real_dev;
+        list_for_each_entry(fcoe, &fcoe_hostlist, list) {
+                if (fcoe->netdev->priv_flags & IFF_802_1Q_VLAN)
+                        real_dev = vlan_dev_real_dev(fcoe->netdev);
+                else
+                        real_dev = fcoe->netdev;
+                if (netdev == real_dev)
+                        return fcoe;
+        }
+        return NULL;
+}
+static int fcoe_dcb_app_notification(struct notifier_block *notifier,
+                                     ulong event, void *ptr)
+{
+        struct dcb_app_type *entry = ptr;
+        struct fcoe_interface *fcoe;
+        struct net_device *netdev;
+        struct fcoe_port *port;
+        int prio;
+        if (entry->app.selector != DCB_APP_IDTYPE_ETHTYPE)
+                return NOTIFY_OK;
+        netdev = dev_get_by_index(&init_net, entry->ifindex);
+        if (!netdev)
+                return NOTIFY_OK;
+        fcoe = fcoe_hostlist_lookup_realdev_port(netdev);
+        dev_put(netdev);
+        if (!fcoe)
+                return NOTIFY_OK;
+        if (entry->dcbx & DCB_CAP_DCBX_VER_CEE)
+                prio = ffs(entry->app.priority) - 1;
+        else
+                prio = entry->app.priority;
+        if (prio < 0)
+                return NOTIFY_OK;
+        if (entry->app.protocol == ETH_P_FIP ||
+            entry->app.protocol == ETH_P_FCOE)
+                fcoe->ctlr.priority = prio;
+        if (entry->app.protocol == ETH_P_FCOE) {
+                port = lport_priv(fcoe->ctlr.lp);
+                port->priority = prio;
+        }
+        return NOTIFY_OK;
+}
 /**
 * fcoe_device_notification() - Handler for net device events
 * @notifier: The context of the notification
@@ -1965,6 +2038,46 @@ static bool fcoe_match(struct net_device *netdev)
 }
 /**
+ * fcoe_dcb_create() - Initialize DCB attributes and hooks
+ * @netdev: The net_device object of the L2 link that should be queried
+ * @port: The fcoe_port to bind FCoE APP priority with
+ * @
+ */
+static void fcoe_dcb_create(struct fcoe_interface *fcoe)
+{
+#ifdef CONFIG_DCB
+        int dcbx;
+        u8 fup, up;
+        struct net_device *netdev = fcoe->realdev;
+        struct fcoe_port *port = lport_priv(fcoe->ctlr.lp);
+        struct dcb_app app = {
+                                .priority = 0,
+                                .protocol = ETH_P_FCOE
+                             };
+        /* setup DCB priority attributes. */
+        if (netdev && netdev->dcbnl_ops && netdev->dcbnl_ops->getdcbx) {
+                dcbx = netdev->dcbnl_ops->getdcbx(netdev);
+                if (dcbx & DCB_CAP_DCBX_VER_IEEE) {
+                        app.selector = IEEE_8021QAZ_APP_SEL_ETHERTYPE;
+                        up = dcb_ieee_getapp_mask(netdev, &app);
+                        app.protocol = ETH_P_FIP;
+                        fup = dcb_ieee_getapp_mask(netdev, &app);
+                } else {
+                        app.selector = DCB_APP_IDTYPE_ETHTYPE;
+                        up = dcb_getapp(netdev, &app);
+                        app.protocol = ETH_P_FIP;
+                        fup = dcb_getapp(netdev, &app);
+                }
+                port->priority = ffs(up) ? ffs(up) - 1 : 0;
+                fcoe->ctlr.priority = ffs(fup) ? ffs(fup) - 1 : port->priority;
+        }
+#endif
+}
+/**
 * fcoe_create() - Create a fcoe interface
 * @netdev  : The net_device object the Ethernet interface to create on
 * @fip_mode: The FIP mode for this creation
@@ -2007,6 +2120,9 @@ static int fcoe_create(struct net_device *netdev, enum fip_state fip_mode)
        /* Make this the "master" N_Port */
        fcoe->ctlr.lp = lport;
+        /* setup DCB priority attributes. */
+        fcoe_dcb_create(fcoe);
        /* add to lports list */
        fcoe_hostlist_add(lport);
diff --git a/drivers/scsi/fcoe/fcoe_ctlr.c b/drivers/scsi/fcoe/fcoe_ctlr.c
index c74c4b8e71ef..e7522dcc296e 100644
--- a/drivers/scsi/fcoe/fcoe_ctlr.c
+++ b/drivers/scsi/fcoe/fcoe_ctlr.c
@@ -320,6 +320,7 @@ static void fcoe_ctlr_solicit(struct fcoe_ctlr *fip, struct fcoe_fcf *fcf)
        skb_put(skb, sizeof(*sol));
        skb->protocol = htons(ETH_P_FIP);
+        skb->priority = fip->priority;
        skb_reset_mac_header(skb);
        skb_reset_network_header(skb);
        fip->send(fip, skb);
@@ -474,6 +475,7 @@ static void fcoe_ctlr_send_keep_alive(struct fcoe_ctlr *fip,
        }
        skb_put(skb, len);
        skb->protocol = htons(ETH_P_FIP);
+        skb->priority = fip->priority;
        skb_reset_mac_header(skb);
        skb_reset_network_header(skb);
        fip->send(fip, skb);
@@ -566,6 +568,7 @@ static int fcoe_ctlr_encaps(struct fcoe_ctlr *fip, struct fc_lport *lport,
        cap->fip.fip_dl_len = htons(dlen / FIP_BPW);
        skb->protocol = htons(ETH_P_FIP);
+        skb->priority = fip->priority;
        skb_reset_mac_header(skb);
        skb_reset_network_header(skb);
        return 0;
@@ -1911,6 +1914,7 @@ static void fcoe_ctlr_vn_send(struct fcoe_ctlr *fip,
        skb_put(skb, len);
        skb->protocol = htons(ETH_P_FIP);
+        skb->priority = fip->priority;
        skb_reset_mac_header(skb);
        skb_reset_network_header(skb);
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 4e041f6d808c..d570573b7963 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -4335,7 +4335,7 @@ _scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle)
        /* insert into event log */
        sz = offsetof(Mpi2EventNotificationReply_t, EventData) +
             sizeof(Mpi2EventDataSasDeviceStatusChange_t);
-        event_reply = kzalloc(sz, GFP_KERNEL);
+        event_reply = kzalloc(sz, GFP_ATOMIC);
        if (!event_reply) {
                printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
                    ioc->name, __FILE__, __LINE__, __func__);
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index ac326c41e931..6465dae5883a 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1762,12 +1762,31 @@ qla2x00_get_host_port_state(struct Scsi_Host *shost)
        scsi_qla_host_t *vha = shost_priv(shost);
        struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
-        if (!base_vha->flags.online)
+        if (!base_vha->flags.online) {
                fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
-        else if (atomic_read(&base_vha->loop_state) == LOOP_TIMEOUT)
+                return;
-                fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
+        }
-        else
+        switch (atomic_read(&base_vha->loop_state)) {
+        case LOOP_UPDATE:
+                fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
+                break;
+        case LOOP_DOWN:
+                if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
+                        fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
+                else
+                        fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
+                break;
+        case LOOP_DEAD:
+                fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
+                break;
+        case LOOP_READY:
                fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
+                break;
+        default:
+                fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
+                break;
+        }
 }
 static int
diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index 9df4787715c0..f3cddd5800c3 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -12,17 +12,17 @@
 * |             Level            |   Last Value Used  |     Holes      |
 * ----------------------------------------------------------------------
 * | Module Init and Probe        |       0x0116       |                |
- * | Mailbox commands             |       0x1129       |                |
+ * | Mailbox commands             |       0x112b       |                |
 * | Device Discovery             |       0x2083       |                |
 * | Queue Command and IO tracing |       0x302e       |     0x3008     |
 * | DPC Thread                   |       0x401c       |                |
 * | Async Events                 |       0x5059       |                |
- * | Timer Routines               |       0x600d       |                |
+ * | Timer Routines               |       0x6010       | 0x600e,0x600f  |
 * | User Space Interactions      |       0x709d       |                |
- * | Task Management              |       0x8041       |                |
+ * | Task Management              |       0x8041       | 0x800b         |
 * | AER/EEH                      |       0x900f       |                |
 * | Virtual Port                 |       0xa007       |                |
- * | ISP82XX Specific             |       0xb051       |                |
+ * | ISP82XX Specific             |       0xb052       |                |
 * | MultiQ                       |       0xc00b       |                |
 * | Misc                         |       0xd00b       |                |
 * ----------------------------------------------------------------------
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index ce32d8135c9e..c0c11afb685c 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -578,6 +578,7 @@ extern int qla82xx_check_md_needed(scsi_qla_host_t *);
 extern void qla82xx_chip_reset_cleanup(scsi_qla_host_t *);
 extern int qla82xx_mbx_beacon_ctl(scsi_qla_host_t *, int);
 extern char *qdev_state(uint32_t);
+extern void qla82xx_clear_pending_mbx(scsi_qla_host_t *);
 /* BSG related functions */
 extern int qla24xx_bsg_request(struct fc_bsg_job *);
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index f03e915f1877..54ea68cec4c5 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -1509,7 +1509,8 @@ enable_82xx_npiv:
                                    &ha->fw_xcb_count, NULL, NULL,
                                    &ha->max_npiv_vports, NULL);
-                                if (!fw_major_version && ql2xallocfwdump)
+                                if (!fw_major_version && ql2xallocfwdump
+                                    && !IS_QLA82XX(ha))
                                        qla2x00_alloc_fw_dump(vha);
                        }
                } else {
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index dbec89622a0f..a4b267e60a35 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -120,11 +120,10 @@ qla2x00_prep_cont_type0_iocb(struct scsi_qla_host *vha)
 * Returns a pointer to the continuation type 1 IOCB packet.
 */
 static inline cont_a64_entry_t *
-qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha)
+qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha, struct req_que *req)
 {
        cont_a64_entry_t *cont_pkt;
-        struct req_que *req = vha->req;
        /* Adjust ring index. */
        req->ring_index++;
        if (req->ring_index == req->length) {
@@ -292,7 +291,7 @@ void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt,
                         * Five DSDs are available in the Continuation
                         * Type 1 IOCB.
                         */
-                        cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
+                        cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req);
                        cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
                        avail_dsds = 5;
                }
@@ -684,7 +683,7 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
                         * Five DSDs are available in the Continuation
                         * Type 1 IOCB.
                         */
-                        cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
+                        cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req);
                        cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
                        avail_dsds = 5;
                }
@@ -2070,7 +2069,8 @@ qla2x00_ct_iocb(srb_t *sp, ms_iocb_entry_t *ct_iocb)
                        * Five DSDs are available in the Cont.
                        * Type 1 IOCB.
                               */
-                        cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
+                        cont_pkt = qla2x00_prep_cont_type1_iocb(vha,
+                            vha->hw->req_q_map[0]);
                        cur_dsd = (uint32_t *) cont_pkt->dseg_0_address;
                        avail_dsds = 5;
                        cont_iocb_prsnt = 1;
@@ -2096,6 +2096,7 @@ qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb)
        int index;
        uint16_t tot_dsds;
        scsi_qla_host_t *vha = sp->fcport->vha;
+        struct qla_hw_data *ha = vha->hw;
        struct fc_bsg_job *bsg_job = ((struct srb_ctx *)sp->ctx)->u.bsg_job;
        int loop_iterartion = 0;
        int cont_iocb_prsnt = 0;
@@ -2141,7 +2142,8 @@ qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb)
                        * Five DSDs are available in the Cont.
                        * Type 1 IOCB.
                               */
-                        cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
+                        cont_pkt = qla2x00_prep_cont_type1_iocb(vha,
+                            ha->req_q_map[0]);
                        cur_dsd = (uint32_t *) cont_pkt->dseg_0_address;
                        avail_dsds = 5;
                        cont_iocb_prsnt = 1;
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 2516adf1aeea..7b91b290ffd6 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -1741,7 +1741,7 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
                                    resid, scsi_bufflen(cp));
                                cp->result = DID_ERROR << 16 | lscsi_status;
-                                break;
+                                goto check_scsi_status;
                        }
                        if (!lscsi_status &&
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 3b3cec9f6ac2..82a33533ed26 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -79,8 +79,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
                mcp->mb[0] = MBS_LINK_DOWN_ERROR;
                ql_log(ql_log_warn, base_vha, 0x1004,
                    "FW hung = %d.\n", ha->flags.isp82xx_fw_hung);
-                rval = QLA_FUNCTION_FAILED;
+                return QLA_FUNCTION_TIMEOUT;
-                goto premature_exit;
        }
        /*
@@ -163,6 +162,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
                                HINT_MBX_INT_PENDING) {
                                spin_unlock_irqrestore(&ha->hardware_lock,
                                        flags);
+                                ha->flags.mbox_busy = 0;
                                ql_dbg(ql_dbg_mbx, base_vha, 0x1010,
                                    "Pending mailbox timeout, exiting.\n");
                                rval = QLA_FUNCTION_TIMEOUT;
@@ -188,6 +188,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
                                HINT_MBX_INT_PENDING) {
                                spin_unlock_irqrestore(&ha->hardware_lock,
                                        flags);
+                                ha->flags.mbox_busy = 0;
                                ql_dbg(ql_dbg_mbx, base_vha, 0x1012,
                                    "Pending mailbox timeout, exiting.\n");
                                rval = QLA_FUNCTION_TIMEOUT;
@@ -302,7 +303,15 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
                        if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
                            !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
                            !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
+                                if (IS_QLA82XX(ha)) {
+                                        ql_dbg(ql_dbg_mbx, vha, 0x112a,
+                                            "disabling pause transmit on port "
+                                            "0 & 1.\n");
+                                        qla82xx_wr_32(ha,
+                                            QLA82XX_CRB_NIU + 0x98,
+                                            CRB_NIU_XG_PAUSE_CTL_P0|
+                                            CRB_NIU_XG_PAUSE_CTL_P1);
+                                }
                                ql_log(ql_log_info, base_vha, 0x101c,
                                    "Mailbox cmd timeout occured. "
                                    "Scheduling ISP abort eeh_busy=0x%x.\n",
@@ -318,7 +327,15 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
                        if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
                            !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
                            !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
+                                if (IS_QLA82XX(ha)) {
+                                        ql_dbg(ql_dbg_mbx, vha, 0x112b,
+                                            "disabling pause transmit on port "
+                                            "0 & 1.\n");
+                                        qla82xx_wr_32(ha,
+                                            QLA82XX_CRB_NIU + 0x98,
+                                            CRB_NIU_XG_PAUSE_CTL_P0|
+                                            CRB_NIU_XG_PAUSE_CTL_P1);
+                                }
                                ql_log(ql_log_info, base_vha, 0x101e,
                                    "Mailbox cmd timeout occured. "
                                    "Scheduling ISP abort.\n");
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index 94bded5ddce4..03554934b0a5 100644
--- a/drivers/scsi/qla2xxx/qla_nx.c
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -3817,6 +3817,20 @@ exit:
        return rval;
 }
+void qla82xx_clear_pending_mbx(scsi_qla_host_t *vha)
+{
+        struct qla_hw_data *ha = vha->hw;
+        if (ha->flags.mbox_busy) {
+                ha->flags.mbox_int = 1;
+                ha->flags.mbox_busy = 0;
+                ql_log(ql_log_warn, vha, 0x6010,
+                    "Doing premature completion of mbx command.\n");
+                if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags))
+                        complete(&ha->mbx_intr_comp);
+        }
+}
 void qla82xx_watchdog(scsi_qla_host_t *vha)
 {
        uint32_t dev_state, halt_status;
@@ -3839,9 +3853,13 @@ void qla82xx_watchdog(scsi_qla_host_t *vha)
                        qla2xxx_wake_dpc(vha);
                } else {
                        if (qla82xx_check_fw_alive(vha)) {
+                                ql_dbg(ql_dbg_timer, vha, 0x6011,
+                                    "disabling pause transmit on port 0 & 1.\n");
+                                qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
+                                    CRB_NIU_XG_PAUSE_CTL_P0|CRB_NIU_XG_PAUSE_CTL_P1);
                                halt_status = qla82xx_rd_32(ha,
                                    QLA82XX_PEG_HALT_STATUS1);
-                                ql_dbg(ql_dbg_timer, vha, 0x6005,
+                                ql_log(ql_log_info, vha, 0x6005,
                                    "dumping hw/fw registers:.\n "
                                    " PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,.\n "
                                    " PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,.\n "
@@ -3858,6 +3876,11 @@ void qla82xx_watchdog(scsi_qla_host_t *vha)
                                            QLA82XX_CRB_PEG_NET_3 + 0x3c),
                                    qla82xx_rd_32(ha,
                                            QLA82XX_CRB_PEG_NET_4 + 0x3c));
+                                if (LSW(MSB(halt_status)) == 0x67)
+                                        ql_log(ql_log_warn, vha, 0xb052,
+                                            "Firmware aborted with "
+                                            "error code 0x00006700. Device is "
+                                            "being reset.\n");
                                if (halt_status & HALT_STATUS_UNRECOVERABLE) {
                                        set_bit(ISP_UNRECOVERABLE,
                                            &vha->dpc_flags);
@@ -3869,16 +3892,8 @@ void qla82xx_watchdog(scsi_qla_host_t *vha)
                                }
                                qla2xxx_wake_dpc(vha);
                                ha->flags.isp82xx_fw_hung = 1;
-                                if (ha->flags.mbox_busy) {
+                                ql_log(ql_log_warn, vha, 0x6007, "Firmware hung.\n");
-                                        ha->flags.mbox_int = 1;
+                                qla82xx_clear_pending_mbx(vha);
-                                        ql_log(ql_log_warn, vha, 0x6007,
-                                            "Due to FW hung, doing "
-                                            "premature completion of mbx "
-                                            "command.\n");
-                                        if (test_bit(MBX_INTR_WAIT,
-                                            &ha->mbx_cmd_flags))
-                                                complete(&ha->mbx_intr_comp);
-                                }
                        }
                }
        }
@@ -4073,10 +4088,7 @@ qla82xx_chip_reset_cleanup(scsi_qla_host_t *vha)
                        msleep(1000);
                        if (qla82xx_check_fw_alive(vha)) {
                                ha->flags.isp82xx_fw_hung = 1;
-                                if (ha->flags.mbox_busy) {
+                                qla82xx_clear_pending_mbx(vha);
-                                        ha->flags.mbox_int = 1;
-                                        complete(&ha->mbx_intr_comp);
-                                }
                                break;
                        }
                }
diff --git a/drivers/scsi/qla2xxx/qla_nx.h b/drivers/scsi/qla2xxx/qla_nx.h
index 57820c199bc2..57a226be339a 100644
--- a/drivers/scsi/qla2xxx/qla_nx.h
+++ b/drivers/scsi/qla2xxx/qla_nx.h
@@ -1173,4 +1173,8 @@ struct qla82xx_md_entry_queue {
 static const int MD_MIU_TEST_AGT_RDDATA[] = { 0x410000A8, 0x410000AC,
        0x410000B8, 0x410000BC };
+#define CRB_NIU_XG_PAUSE_CTL_P0        0x1
+#define CRB_NIU_XG_PAUSE_CTL_P1        0x8
 #endif
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index fd14c7bfc626..f9e5b85e84d8 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -201,12 +201,12 @@ MODULE_PARM_DESC(ql2xmdcapmask,
                "Set the Minidump driver capture mask level. "
                "Default is 0x7F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
-int ql2xmdenable;
+int ql2xmdenable = 1;
 module_param(ql2xmdenable, int, S_IRUGO);
 MODULE_PARM_DESC(ql2xmdenable,
                "Enable/disable MiniDump. "
-                "0 (Default) - MiniDump disabled. "
+                "0 - MiniDump disabled. "
-                "1 - MiniDump enabled.");
+                "1 (Default) - MiniDump enabled.");
 /*
 * SCSI host template entry points
@@ -423,6 +423,7 @@ fail2:
        qla25xx_delete_queues(vha);
        destroy_workqueue(ha->wq);
        ha->wq = NULL;
+        vha->req = ha->req_q_map[0];
 fail:
        ha->mqenable = 0;
        kfree(ha->req_q_map);
@@ -814,49 +815,6 @@ qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
        return return_status;
 }
-/*
- * qla2x00_wait_for_loop_ready
- *    Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
- *    to be in LOOP_READY state.
- * Input:
- *     ha - pointer to host adapter structure
- *
- * Note:
- *    Does context switching-Release SPIN_LOCK
- *    (if any) before calling this routine.
- *
- *
- * Return:
- *    Success (LOOP_READY) : 0
- *    Failed  (LOOP_NOT_READY) : 1
- */
-static inline int
-qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
-{
-        int      return_status = QLA_SUCCESS;
-        unsigned long loop_timeout ;
-        struct qla_hw_data *ha = vha->hw;
-        scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
-        /* wait for 5 min at the max for loop to be ready */
-        loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
-        while ((!atomic_read(&base_vha->loop_down_timer) &&
-            atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
-            atomic_read(&base_vha->loop_state) != LOOP_READY) {
-                if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
-                        return_status = QLA_FUNCTION_FAILED;
-                        break;
-                }
-                msleep(1000);
-                if (time_after_eq(jiffies, loop_timeout)) {
-                        return_status = QLA_FUNCTION_FAILED;
-                        break;
-                }
-        }
-        return (return_status);
-}
 static void
 sp_get(struct srb *sp)
 {
@@ -1035,12 +993,6 @@ __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
                    "Wait for hba online failed for cmd=%p.\n", cmd);
                goto eh_reset_failed;
        }
-        err = 1;
-        if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS) {
-                ql_log(ql_log_warn, vha, 0x800b,
-                    "Wait for loop ready failed for cmd=%p.\n", cmd);
-                goto eh_reset_failed;
-        }
        err = 2;
        if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
                != QLA_SUCCESS) {
@@ -1137,10 +1089,9 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
                goto eh_bus_reset_done;
        }
-        if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
+        if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
-                if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
+                ret = SUCCESS;
-                        ret = SUCCESS;
-        }
        if (ret == FAILED)
                goto eh_bus_reset_done;
@@ -1206,15 +1157,6 @@ qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
        if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
                goto eh_host_reset_lock;
-        /*
-         * Fixme-may be dpc thread is active and processing
-         * loop_resync,so wait a while for it to
-         * be completed and then issue big hammer.Otherwise
-         * it may cause I/O failure as big hammer marks the
-         * devices as lost kicking of the port_down_timer
-         * while dpc is stuck for the mailbox to complete.
-         */
-        qla2x00_wait_for_loop_ready(vha);
        if (vha != base_vha) {
                if (qla2x00_vp_abort_isp(vha))
                        goto eh_host_reset_lock;
@@ -1297,16 +1239,13 @@ qla2x00_loop_reset(scsi_qla_host_t *vha)
                atomic_set(&vha->loop_state, LOOP_DOWN);
                atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
                qla2x00_mark_all_devices_lost(vha, 0);
-                qla2x00_wait_for_loop_ready(vha);
        }
        if (ha->flags.enable_lip_reset) {
                ret = qla2x00_lip_reset(vha);
-                if (ret != QLA_SUCCESS) {
+                if (ret != QLA_SUCCESS)
                        ql_dbg(ql_dbg_taskm, vha, 0x802e,
                            "lip_reset failed (%d).\n", ret);
-                } else
-                        qla2x00_wait_for_loop_ready(vha);
        }
        /* Issue marker command only when we are going to start the I/O */
@@ -4070,13 +4009,8 @@ qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
                /* For ISP82XX complete any pending mailbox cmd */
                if (IS_QLA82XX(ha)) {
                        ha->flags.isp82xx_fw_hung = 1;
-                        if (ha->flags.mbox_busy) {
+                        ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n");
-                                ha->flags.mbox_int = 1;
+                        qla82xx_clear_pending_mbx(vha);
-                                ql_dbg(ql_dbg_aer, vha, 0x9001,
-                                    "Due to pci channel io frozen, doing premature "
-                                    "completion of mbx command.\n");
-                                complete(&ha->mbx_intr_comp);
-                        }
                }
                qla2x00_free_irqs(vha);
                pci_disable_device(pdev);
diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h
index 13b6357c1fa2..23f33a6d52d7 100644
--- a/drivers/scsi/qla2xxx/qla_version.h
+++ b/drivers/scsi/qla2xxx/qla_version.h
@@ -7,7 +7,7 @@
 /*
 * Driver version
 */
-#define QLA2XXX_VERSION      "8.03.07.07-k"
+#define QLA2XXX_VERSION      "8.03.07.12-k"
 #define QLA_DRIVER_MAJOR_VER    8
 #define QLA_DRIVER_MINOR_VER    3
diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index ace637bf254e..fd5edc6e166d 100644
--- a/drivers/scsi/qla4xxx/ql4_def.h
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -147,7 +147,7 @@
 #define ISCSI_ALIAS_SIZE                32      /* ISCSI Alias name size */
 #define ISCSI_NAME_SIZE                 0xE0    /* ISCSI Name size */
-#define QL4_SESS_RECOVERY_TMO           30      /* iSCSI session */
+#define QL4_SESS_RECOVERY_TMO           120     /* iSCSI session */
                                                /* recovery timeout */
 #define LSDW(x) ((u32)((u64)(x)))
@@ -173,6 +173,8 @@
 #define ISNS_DEREG_TOV                  5
 #define HBA_ONLINE_TOV                  30
 #define DISABLE_ACB_TOV                 30
+#define IP_CONFIG_TOV                   30
+#define LOGIN_TOV                       12
 #define MAX_RESET_HA_RETRIES            2
@@ -240,6 +242,45 @@ struct ddb_entry {
        uint16_t fw_ddb_index;  /* DDB firmware index */
        uint32_t fw_ddb_device_state; /* F/W Device State  -- see ql4_fw.h */
+        uint16_t ddb_type;
+#define FLASH_DDB 0x01
+        struct dev_db_entry fw_ddb_entry;
+        int (*unblock_sess)(struct iscsi_cls_session *cls_session);
+        int (*ddb_change)(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+                          struct ddb_entry *ddb_entry, uint32_t state);
+        /* Driver Re-login  */
+        unsigned long flags;              /* DDB Flags */
+        uint16_t default_relogin_timeout; /*  Max time to wait for
+                                           *  relogin to complete */
+        atomic_t retry_relogin_timer;     /* Min Time between relogins
+                                           * (4000 only) */
+        atomic_t relogin_timer;           /* Max Time to wait for
+                                           * relogin to complete */
+        atomic_t relogin_retry_count;     /* Num of times relogin has been
+                                           * retried */
+        uint32_t default_time2wait;       /* Default Min time between
+                                           * relogins (+aens) */
+};
+struct qla_ddb_index {
+        struct list_head list;
+        uint16_t fw_ddb_idx;
+        struct dev_db_entry fw_ddb;
+};
+#define DDB_IPADDR_LEN 64
+struct ql4_tuple_ddb {
+        int port;
+        int tpgt;
+        char ip_addr[DDB_IPADDR_LEN];
+        char iscsi_name[ISCSI_NAME_SIZE];
+        uint16_t options;
+#define DDB_OPT_IPV6 0x0e0e
+#define DDB_OPT_IPV4 0x0f0f
 };
 /*
@@ -411,7 +452,7 @@ struct scsi_qla_host {
 #define AF_FW_RECOVERY                  19 /* 0x00080000 */
 #define AF_EEH_BUSY                     20 /* 0x00100000 */
 #define AF_PCI_CHANNEL_IO_PERM_FAILURE  21 /* 0x00200000 */
+#define AF_BUILD_DDB_LIST               22 /* 0x00400000 */
        unsigned long dpc_flags;
 #define DPC_RESET_HA                    1 /* 0x00000002 */
@@ -604,6 +645,7 @@ struct scsi_qla_host {
        uint16_t bootload_minor;
        uint16_t bootload_patch;
        uint16_t bootload_build;
+        uint16_t def_timeout; /* Default login timeout */
        uint32_t flash_state;
 #define QLFLASH_WAITING         0
@@ -623,6 +665,11 @@ struct scsi_qla_host {
        uint16_t iscsi_pci_func_cnt;
        uint8_t model_name[16];
        struct completion disable_acb_comp;
+        struct dma_pool *fw_ddb_dma_pool;
+#define DDB_DMA_BLOCK_SIZE 512
+        uint16_t pri_ddb_idx;
+        uint16_t sec_ddb_idx;
+        int is_reset;
 };
 struct ql4_task_data {
@@ -835,6 +882,10 @@ static inline int ql4xxx_reset_active(struct scsi_qla_host *ha)
 /*---------------------------------------------------------------------------*/
 /* Defines for qla4xxx_initialize_adapter() and qla4xxx_recover_adapter() */
+#define INIT_ADAPTER    0
+#define RESET_ADAPTER   1
 #define PRESERVE_DDB_LIST       0
 #define REBUILD_DDB_LIST        1
diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h
index cbd5a20dbbd1..4ac07f882521 100644
--- a/drivers/scsi/qla4xxx/ql4_fw.h
+++ b/drivers/scsi/qla4xxx/ql4_fw.h
@@ -12,6 +12,7 @@
 #define MAX_PRST_DEV_DB_ENTRIES         64
 #define MIN_DISC_DEV_DB_ENTRY           MAX_PRST_DEV_DB_ENTRIES
 #define MAX_DEV_DB_ENTRIES              512
+#define MAX_DEV_DB_ENTRIES_40XX         256
 /*************************************************************************
 *
@@ -604,6 +605,13 @@ struct addr_ctrl_blk {
        uint8_t res14[140];     /* 274-2FF */
 };
+#define IP_ADDR_COUNT   4 /* Total 4 IP address supported in one interface
+                           * One IPv4, one IPv6 link local and 2 IPv6
+                           */
+#define IP_STATE_MASK   0x0F000000
+#define IP_STATE_SHIFT  24
 struct init_fw_ctrl_blk {
        struct addr_ctrl_blk pri;
 /*      struct addr_ctrl_blk sec;*/
diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h
index 160db9d5ea21..d0dd4b330206 100644
--- a/drivers/scsi/qla4xxx/ql4_glbl.h
+++ b/drivers/scsi/qla4xxx/ql4_glbl.h
@@ -13,7 +13,7 @@ struct iscsi_cls_conn;
 int qla4xxx_hw_reset(struct scsi_qla_host *ha);
 int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a);
 int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb *srb);
-int qla4xxx_initialize_adapter(struct scsi_qla_host *ha);
+int qla4xxx_initialize_adapter(struct scsi_qla_host *ha, int is_reset);
 int qla4xxx_soft_reset(struct scsi_qla_host *ha);
 irqreturn_t qla4xxx_intr_handler(int irq, void *dev_id);
@@ -153,10 +153,13 @@ int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
                          uint32_t *mbx_sts);
 int qla4xxx_clear_ddb_entry(struct scsi_qla_host *ha, uint32_t fw_ddb_index);
 int qla4xxx_send_passthru0(struct iscsi_task *task);
+void qla4xxx_free_ddb_index(struct scsi_qla_host *ha);
 int qla4xxx_get_mgmt_data(struct scsi_qla_host *ha, uint16_t fw_ddb_index,
                          uint16_t stats_size, dma_addr_t stats_dma);
 void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
                                       struct ddb_entry *ddb_entry);
+void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha,
+                                             struct ddb_entry *ddb_entry);
 int qla4xxx_bootdb_by_index(struct scsi_qla_host *ha,
                            struct dev_db_entry *fw_ddb_entry,
                            dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index);
@@ -169,11 +172,22 @@ int qla4xxx_set_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
 int qla4xxx_restore_factory_defaults(struct scsi_qla_host *ha,
                                     uint32_t region, uint32_t field0,
                                     uint32_t field1);
+int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index);
+void qla4xxx_login_flash_ddb(struct iscsi_cls_session *cls_session);
+int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session);
+int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session);
+int qla4xxx_flash_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+                             struct ddb_entry *ddb_entry, uint32_t state);
+int qla4xxx_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+                       struct ddb_entry *ddb_entry, uint32_t state);
+void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset);
 /* BSG Functions */
 int qla4xxx_bsg_request(struct bsg_job *bsg_job);
 int qla4xxx_process_vendor_specific(struct bsg_job *bsg_job);
+void qla4xxx_arm_relogin_timer(struct ddb_entry *ddb_entry);
 extern int ql4xextended_error_logging;
 extern int ql4xdontresethba;
 extern int ql4xenablemsix;
diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c
index 3075fbaef553..1bdfa8120ac8 100644
--- a/drivers/scsi/qla4xxx/ql4_init.c
+++ b/drivers/scsi/qla4xxx/ql4_init.c
@@ -773,22 +773,24 @@ int qla4xxx_start_firmware(struct scsi_qla_host *ha)
 * be freed so that when login happens from user space there are free DDB
 * indices available.
 **/
-static void qla4xxx_free_ddb_index(struct scsi_qla_host *ha)
+void qla4xxx_free_ddb_index(struct scsi_qla_host *ha)
 {
        int max_ddbs;
        int ret;
        uint32_t idx = 0, next_idx = 0;
        uint32_t state = 0, conn_err = 0;
-        max_ddbs =  is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES :
+        max_ddbs =  is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
                                     MAX_DEV_DB_ENTRIES;
        for (idx = 0; idx < max_ddbs; idx = next_idx) {
                ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL,
                                              &next_idx, &state, &conn_err,
                                                NULL, NULL);
-                if (ret == QLA_ERROR)
+                if (ret == QLA_ERROR) {
+                        next_idx++;
                        continue;
+                }
                if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
                    state == DDB_DS_SESSION_FAILED) {
                        DEBUG2(ql4_printk(KERN_INFO, ha,
@@ -804,7 +806,6 @@ static void qla4xxx_free_ddb_index(struct scsi_qla_host *ha)
        }
 }
 /**
 * qla4xxx_initialize_adapter - initiailizes hba
 * @ha: Pointer to host adapter structure.
@@ -812,7 +813,7 @@ static void qla4xxx_free_ddb_index(struct scsi_qla_host *ha)
 * This routine parforms all of the steps necessary to initialize the adapter.
 *
 **/
-int qla4xxx_initialize_adapter(struct scsi_qla_host *ha)
+int qla4xxx_initialize_adapter(struct scsi_qla_host *ha, int is_reset)
 {
        int status = QLA_ERROR;
@@ -840,7 +841,8 @@ int qla4xxx_initialize_adapter(struct scsi_qla_host *ha)
        if (status == QLA_ERROR)
                goto exit_init_hba;
-        qla4xxx_free_ddb_index(ha);
+        if (is_reset == RESET_ADAPTER)
+                qla4xxx_build_ddb_list(ha, is_reset);
        set_bit(AF_ONLINE, &ha->flags);
 exit_init_hba:
@@ -855,38 +857,12 @@ exit_init_hba:
        return status;
 }
-/**
+int qla4xxx_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
- * qla4xxx_process_ddb_changed - process ddb state change
+                       struct ddb_entry *ddb_entry, uint32_t state)
- * @ha - Pointer to host adapter structure.
- * @fw_ddb_index - Firmware's device database index
- * @state - Device state
- *
- * This routine processes a Decive Database Changed AEN Event.
- **/
-int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
-                uint32_t state, uint32_t conn_err)
 {
-        struct ddb_entry * ddb_entry;
        uint32_t old_fw_ddb_device_state;
        int status = QLA_ERROR;
-        /* check for out of range index */
-        if (fw_ddb_index >= MAX_DDB_ENTRIES)
-                goto exit_ddb_event;
-        /* Get the corresponging ddb entry */
-        ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index);
-        /* Device does not currently exist in our database. */
-        if (ddb_entry == NULL) {
-                ql4_printk(KERN_ERR, ha, "%s: No ddb_entry at FW index [%d]\n",
-                           __func__, fw_ddb_index);
-                if (state == DDB_DS_NO_CONNECTION_ACTIVE)
-                        clear_bit(fw_ddb_index, ha->ddb_idx_map);
-                goto exit_ddb_event;
-        }
        old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state;
        DEBUG2(ql4_printk(KERN_INFO, ha,
                          "%s: DDB - old state = 0x%x, new state = 0x%x for "
@@ -900,9 +876,7 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
                switch (state) {
                case DDB_DS_SESSION_ACTIVE:
                case DDB_DS_DISCOVERY:
-                        iscsi_conn_start(ddb_entry->conn);
+                        ddb_entry->unblock_sess(ddb_entry->sess);
-                        iscsi_conn_login_event(ddb_entry->conn,
-                                               ISCSI_CONN_STATE_LOGGED_IN);
                        qla4xxx_update_session_conn_param(ha, ddb_entry);
                        status = QLA_SUCCESS;
                        break;
@@ -936,9 +910,7 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
                switch (state) {
                case DDB_DS_SESSION_ACTIVE:
                case DDB_DS_DISCOVERY:
-                        iscsi_conn_start(ddb_entry->conn);
+                        ddb_entry->unblock_sess(ddb_entry->sess);
-                        iscsi_conn_login_event(ddb_entry->conn,
-                                               ISCSI_CONN_STATE_LOGGED_IN);
                        qla4xxx_update_session_conn_param(ha, ddb_entry);
                        status = QLA_SUCCESS;
                        break;
@@ -954,7 +926,198 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
                                __func__));
                break;
        }
+        return status;
+}
+void qla4xxx_arm_relogin_timer(struct ddb_entry *ddb_entry)
+{
+        /*
+         * This triggers a relogin.  After the relogin_timer
+         * expires, the relogin gets scheduled.  We must wait a
+         * minimum amount of time since receiving an 0x8014 AEN
+         * with failed device_state or a logout response before
+         * we can issue another relogin.
+         *
+         * Firmware pads this timeout: (time2wait +1).
+         * Driver retry to login should be longer than F/W.
+         * Otherwise F/W will fail
+         * set_ddb() mbx cmd with 0x4005 since it still
+         * counting down its time2wait.
+         */
+        atomic_set(&ddb_entry->relogin_timer, 0);
+        atomic_set(&ddb_entry->retry_relogin_timer,
+                   ddb_entry->default_time2wait + 4);
+}
+int qla4xxx_flash_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+                             struct ddb_entry *ddb_entry, uint32_t state)
+{
+        uint32_t old_fw_ddb_device_state;
+        int status = QLA_ERROR;
+        old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state;
+        DEBUG2(ql4_printk(KERN_INFO, ha,
+                          "%s: DDB - old state = 0x%x, new state = 0x%x for "
+                          "index [%d]\n", __func__,
+                          ddb_entry->fw_ddb_device_state, state, fw_ddb_index));
+        ddb_entry->fw_ddb_device_state = state;
+        switch (old_fw_ddb_device_state) {
+        case DDB_DS_LOGIN_IN_PROCESS:
+        case DDB_DS_NO_CONNECTION_ACTIVE:
+                switch (state) {
+                case DDB_DS_SESSION_ACTIVE:
+                        ddb_entry->unblock_sess(ddb_entry->sess);
+                        qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry);
+                        status = QLA_SUCCESS;
+                        break;
+                case DDB_DS_SESSION_FAILED:
+                        iscsi_block_session(ddb_entry->sess);
+                        if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
+                                qla4xxx_arm_relogin_timer(ddb_entry);
+                        status = QLA_SUCCESS;
+                        break;
+                }
+                break;
+        case DDB_DS_SESSION_ACTIVE:
+                switch (state) {
+                case DDB_DS_SESSION_FAILED:
+                        iscsi_block_session(ddb_entry->sess);
+                        if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
+                                qla4xxx_arm_relogin_timer(ddb_entry);
+                        status = QLA_SUCCESS;
+                        break;
+                }
+                break;
+        case DDB_DS_SESSION_FAILED:
+                switch (state) {
+                case DDB_DS_SESSION_ACTIVE:
+                        ddb_entry->unblock_sess(ddb_entry->sess);
+                        qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry);
+                        status = QLA_SUCCESS;
+                        break;
+                case DDB_DS_SESSION_FAILED:
+                        if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
+                                qla4xxx_arm_relogin_timer(ddb_entry);
+                        status = QLA_SUCCESS;
+                        break;
+                }
+                break;
+        default:
+                DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n",
+                                  __func__));
+                break;
+        }
+        return status;
+}
+/**
+ * qla4xxx_process_ddb_changed - process ddb state change
+ * @ha - Pointer to host adapter structure.
+ * @fw_ddb_index - Firmware's device database index
+ * @state - Device state
+ *
+ * This routine processes a Decive Database Changed AEN Event.
+ **/
+int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha,
+                                uint32_t fw_ddb_index,
+                                uint32_t state, uint32_t conn_err)
+{
+        struct ddb_entry *ddb_entry;
+        int status = QLA_ERROR;
+        /* check for out of range index */
+        if (fw_ddb_index >= MAX_DDB_ENTRIES)
+                goto exit_ddb_event;
+        /* Get the corresponging ddb entry */
+        ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index);
+        /* Device does not currently exist in our database. */
+        if (ddb_entry == NULL) {
+                ql4_printk(KERN_ERR, ha, "%s: No ddb_entry at FW index [%d]\n",
+                           __func__, fw_ddb_index);
+                if (state == DDB_DS_NO_CONNECTION_ACTIVE)
+                        clear_bit(fw_ddb_index, ha->ddb_idx_map);
+                goto exit_ddb_event;
+        }
+        ddb_entry->ddb_change(ha, fw_ddb_index, ddb_entry, state);
 exit_ddb_event:
        return status;
 }
+/**
+ * qla4xxx_login_flash_ddb - Login to target (DDB)
+ * @cls_session: Pointer to the session to login
+ *
+ * This routine logins to the target.
+ * Issues setddb and conn open mbx
+ **/
+void qla4xxx_login_flash_ddb(struct iscsi_cls_session *cls_session)
+{
+        struct iscsi_session *sess;
+        struct ddb_entry *ddb_entry;
+        struct scsi_qla_host *ha;
+        struct dev_db_entry *fw_ddb_entry = NULL;
+        dma_addr_t fw_ddb_dma;
+        uint32_t mbx_sts = 0;
+        int ret;
+        sess = cls_session->dd_data;
+        ddb_entry = sess->dd_data;
+        ha =  ddb_entry->ha;
+        if (!test_bit(AF_LINK_UP, &ha->flags))
+                return;
+        if (ddb_entry->ddb_type != FLASH_DDB) {
+                DEBUG2(ql4_printk(KERN_INFO, ha,
+                                  "Skipping login to non FLASH DB"));
+                goto exit_login;
+        }
+        fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
+                                      &fw_ddb_dma);
+        if (fw_ddb_entry == NULL) {
+                DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
+                goto exit_login;
+        }
+        if (ddb_entry->fw_ddb_index == INVALID_ENTRY) {
+                ret = qla4xxx_get_ddb_index(ha, &ddb_entry->fw_ddb_index);
+                if (ret == QLA_ERROR)
+                        goto exit_login;
+                ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry;
+                ha->tot_ddbs++;
+        }
+        memcpy(fw_ddb_entry, &ddb_entry->fw_ddb_entry,
+               sizeof(struct dev_db_entry));
+        ddb_entry->sess->target_id = ddb_entry->fw_ddb_index;
+        ret = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index,
+                                    fw_ddb_dma, &mbx_sts);
+        if (ret == QLA_ERROR) {
+                DEBUG2(ql4_printk(KERN_ERR, ha, "Set DDB failed\n"));
+                goto exit_login;
+        }
+        ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS;
+        ret = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index);
+        if (ret == QLA_ERROR) {
+                ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__,
+                           sess->targetname);
+                goto exit_login;
+        }
+exit_login:
+        if (fw_ddb_entry)
+                dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
+}
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index 4c2b84870392..c2593782fbbe 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -41,6 +41,16 @@ int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
                return status;
        }
+        if (is_qla40XX(ha)) {
+                if (test_bit(AF_HA_REMOVAL, &ha->flags)) {
+                        DEBUG2(ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: "
+                                          "prematurely completing mbx cmd as "
+                                          "adapter removal detected\n",
+                                          ha->host_no, __func__));
+                        return status;
+                }
+        }
        if (is_qla8022(ha)) {
                if (test_bit(AF_FW_RECOVERY, &ha->flags)) {
                        DEBUG2(ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: "
@@ -413,6 +423,7 @@ qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
        memcpy(ha->name_string, init_fw_cb->iscsi_name,
                min(sizeof(ha->name_string),
                sizeof(init_fw_cb->iscsi_name)));
+        ha->def_timeout = le16_to_cpu(init_fw_cb->def_timeout);
        /*memcpy(ha->alias, init_fw_cb->Alias,
               min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 30f31b127f33..4169c8baa112 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -8,6 +8,7 @@
 #include <linux/slab.h>
 #include <linux/blkdev.h>
 #include <linux/iscsi_boot_sysfs.h>
+#include <linux/inet.h>
 #include <scsi/scsi_tcq.h>
 #include <scsi/scsicam.h>
@@ -31,6 +32,13 @@ static struct kmem_cache *srb_cachep;
 /*
 * Module parameter information and variables
 */
+int ql4xdisablesysfsboot = 1;
+module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(ql4xdisablesysfsboot,
+                "Set to disable exporting boot targets to sysfs\n"
+                " 0 - Export boot targets\n"
+                " 1 - Do not export boot targets (Default)");
 int ql4xdontresethba = 0;
 module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(ql4xdontresethba,
@@ -63,7 +71,7 @@ static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO;
 module_param(ql4xsess_recovery_tmo, int, S_IRUGO);
 MODULE_PARM_DESC(ql4xsess_recovery_tmo,
                "Target Session Recovery Timeout.\n"
-                " Default: 30 sec.");
+                " Default: 120 sec.");
 static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha);
 /*
@@ -415,7 +423,7 @@ static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
        qla_ep = ep->dd_data;
        ha = to_qla_host(qla_ep->host);
-        if (adapter_up(ha))
+        if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags))
                ret = 1;
        return ret;
@@ -975,6 +983,150 @@ static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn,
 }
+int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index)
+{
+        uint32_t mbx_sts = 0;
+        uint16_t tmp_ddb_index;
+        int ret;
+get_ddb_index:
+        tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES);
+        if (tmp_ddb_index >= MAX_DDB_ENTRIES) {
+                DEBUG2(ql4_printk(KERN_INFO, ha,
+                                  "Free DDB index not available\n"));
+                ret = QLA_ERROR;
+                goto exit_get_ddb_index;
+        }
+        if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map))
+                goto get_ddb_index;
+        DEBUG2(ql4_printk(KERN_INFO, ha,
+                          "Found a free DDB index at %d\n", tmp_ddb_index));
+        ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts);
+        if (ret == QLA_ERROR) {
+                if (mbx_sts == MBOX_STS_COMMAND_ERROR) {
+                        ql4_printk(KERN_INFO, ha,
+                                   "DDB index = %d not available trying next\n",
+                                   tmp_ddb_index);
+                        goto get_ddb_index;
+                }
+                DEBUG2(ql4_printk(KERN_INFO, ha,
+                                  "Free FW DDB not available\n"));
+        }
+        *ddb_index = tmp_ddb_index;
+exit_get_ddb_index:
+        return ret;
+}
+static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha,
+                                   struct ddb_entry *ddb_entry,
+                                   char *existing_ipaddr,
+                                   char *user_ipaddr)
+{
+        uint8_t dst_ipaddr[IPv6_ADDR_LEN];
+        char formatted_ipaddr[DDB_IPADDR_LEN];
+        int status = QLA_SUCCESS, ret = 0;
+        if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) {
+                ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
+                               '\0', NULL);
+                if (ret == 0) {
+                        status = QLA_ERROR;
+                        goto out_match;
+                }
+                ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr);
+        } else {
+                ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
+                               '\0', NULL);
+                if (ret == 0) {
+                        status = QLA_ERROR;
+                        goto out_match;
+                }
+                ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr);
+        }
+        if (strcmp(existing_ipaddr, formatted_ipaddr))
+                status = QLA_ERROR;
+out_match:
+        return status;
+}
+static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha,
+                                      struct iscsi_cls_conn *cls_conn)
+{
+        int idx = 0, max_ddbs, rval;
+        struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
+        struct iscsi_session *sess, *existing_sess;
+        struct iscsi_conn *conn, *existing_conn;
+        struct ddb_entry *ddb_entry;
+        sess = cls_sess->dd_data;
+        conn = cls_conn->dd_data;
+        if (sess->targetname == NULL ||
+            conn->persistent_address == NULL ||
+            conn->persistent_port == 0)
+                return QLA_ERROR;
+        max_ddbs =  is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
+                                     MAX_DEV_DB_ENTRIES;
+        for (idx = 0; idx < max_ddbs; idx++) {
+                ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
+                if (ddb_entry == NULL)
+                        continue;
+                if (ddb_entry->ddb_type != FLASH_DDB)
+                        continue;
+                existing_sess = ddb_entry->sess->dd_data;
+                existing_conn = ddb_entry->conn->dd_data;
+                if (existing_sess->targetname == NULL ||
+                    existing_conn->persistent_address == NULL ||
+                    existing_conn->persistent_port == 0)
+                        continue;
+                DEBUG2(ql4_printk(KERN_INFO, ha,
+                                  "IQN = %s User IQN = %s\n",
+                                  existing_sess->targetname,
+                                  sess->targetname));
+                DEBUG2(ql4_printk(KERN_INFO, ha,
+                                  "IP = %s User IP = %s\n",
+                                  existing_conn->persistent_address,
+                                  conn->persistent_address));
+                DEBUG2(ql4_printk(KERN_INFO, ha,
+                                  "Port = %d User Port = %d\n",
+                                  existing_conn->persistent_port,
+                                  conn->persistent_port));
+                if (strcmp(existing_sess->targetname, sess->targetname))
+                        continue;
+                rval = qla4xxx_match_ipaddress(ha, ddb_entry,
+                                        existing_conn->persistent_address,
+                                        conn->persistent_address);
+                if (rval == QLA_ERROR)
+                        continue;
+                if (existing_conn->persistent_port != conn->persistent_port)
+                        continue;
+                break;
+        }
+        if (idx == max_ddbs)
+                return QLA_ERROR;
+        DEBUG2(ql4_printk(KERN_INFO, ha,
+                          "Match found in fwdb sessions\n"));
+        return QLA_SUCCESS;
+}
 static struct iscsi_cls_session *
 qla4xxx_session_create(struct iscsi_endpoint *ep,
                        uint16_t cmds_max, uint16_t qdepth,
@@ -984,8 +1136,7 @@ qla4xxx_session_create(struct iscsi_endpoint *ep,
        struct scsi_qla_host *ha;
        struct qla_endpoint *qla_ep;
        struct ddb_entry *ddb_entry;
-        uint32_t ddb_index;
+        uint16_t ddb_index;
-        uint32_t mbx_sts = 0;
        struct iscsi_session *sess;
        struct sockaddr *dst_addr;
        int ret;
@@ -1000,32 +1151,9 @@ qla4xxx_session_create(struct iscsi_endpoint *ep,
        dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
        ha = to_qla_host(qla_ep->host);
-get_ddb_index:
+        ret = qla4xxx_get_ddb_index(ha, &ddb_index);
-        ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES);
+        if (ret == QLA_ERROR)
-        if (ddb_index >= MAX_DDB_ENTRIES) {
-                DEBUG2(ql4_printk(KERN_INFO, ha,
-                                  "Free DDB index not available\n"));
-                return NULL;
-        }
-        if (test_and_set_bit(ddb_index, ha->ddb_idx_map))
-                goto get_ddb_index;
-        DEBUG2(ql4_printk(KERN_INFO, ha,
-                          "Found a free DDB index at %d\n", ddb_index));
-        ret = qla4xxx_req_ddb_entry(ha, ddb_index, &mbx_sts);
-        if (ret == QLA_ERROR) {
-                if (mbx_sts == MBOX_STS_COMMAND_ERROR) {
-                        ql4_printk(KERN_INFO, ha,
-                                   "DDB index = %d not available trying next\n",
-                                   ddb_index);
-                        goto get_ddb_index;
-                }
-                DEBUG2(ql4_printk(KERN_INFO, ha,
-                                  "Free FW DDB not available\n"));
                return NULL;
-        }
        cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host,
                                       cmds_max, sizeof(struct ddb_entry),
@@ -1040,6 +1168,8 @@ get_ddb_index:
        ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
        ddb_entry->ha = ha;
        ddb_entry->sess = cls_sess;
+        ddb_entry->unblock_sess = qla4xxx_unblock_ddb;
+        ddb_entry->ddb_change = qla4xxx_ddb_change;
        cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
        ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry;
        ha->tot_ddbs++;
@@ -1077,6 +1207,9 @@ qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx)
        DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
        cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn),
                                    conn_idx);
+        if (!cls_conn)
+                return NULL;
        sess = cls_sess->dd_data;
        ddb_entry = sess->dd_data;
        ddb_entry->conn = cls_conn;
@@ -1109,7 +1242,7 @@ static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn)
        struct iscsi_session *sess;
        struct ddb_entry *ddb_entry;
        struct scsi_qla_host *ha;
-        struct dev_db_entry *fw_ddb_entry;
+        struct dev_db_entry *fw_ddb_entry = NULL;
        dma_addr_t fw_ddb_entry_dma;
        uint32_t mbx_sts = 0;
        int ret = 0;
@@ -1120,12 +1253,25 @@ static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn)
        ddb_entry = sess->dd_data;
        ha = ddb_entry->ha;
+        /* Check if we have  matching FW DDB, if yes then do not
+         * login to this target. This could cause target to logout previous
+         * connection
+         */
+        ret = qla4xxx_match_fwdb_session(ha, cls_conn);
+        if (ret == QLA_SUCCESS) {
+                ql4_printk(KERN_INFO, ha,
+                           "Session already exist in FW.\n");
+                ret = -EEXIST;
+                goto exit_conn_start;
+        }
        fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
                                          &fw_ddb_entry_dma, GFP_KERNEL);
        if (!fw_ddb_entry) {
                ql4_printk(KERN_ERR, ha,
                           "%s: Unable to allocate dma buffer\n", __func__);
-                return -ENOMEM;
+                ret = -ENOMEM;
+                goto exit_conn_start;
        }
        ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts);
@@ -1138,9 +1284,7 @@ static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn)
                if (mbx_sts)
                        if (ddb_entry->fw_ddb_device_state ==
                                                DDB_DS_SESSION_ACTIVE) {
-                                iscsi_conn_start(ddb_entry->conn);
+                                ddb_entry->unblock_sess(ddb_entry->sess);
-                                iscsi_conn_login_event(ddb_entry->conn,
-                                                ISCSI_CONN_STATE_LOGGED_IN);
                                goto exit_set_param;
                        }
@@ -1167,8 +1311,9 @@ exit_set_param:
        ret = 0;
 exit_conn_start:
-        dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+        if (fw_ddb_entry)
-                          fw_ddb_entry, fw_ddb_entry_dma);
+                dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+                                  fw_ddb_entry, fw_ddb_entry_dma);
        return ret;
 }
@@ -1344,6 +1489,101 @@ static int qla4xxx_task_xmit(struct iscsi_task *task)
        return -ENOSYS;
 }
+static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha,
+                                     struct dev_db_entry *fw_ddb_entry,
+                                     struct iscsi_cls_session *cls_sess,
+                                     struct iscsi_cls_conn *cls_conn)
+{
+        int buflen = 0;
+        struct iscsi_session *sess;
+        struct iscsi_conn *conn;
+        char ip_addr[DDB_IPADDR_LEN];
+        uint16_t options = 0;
+        sess = cls_sess->dd_data;
+        conn = cls_conn->dd_data;
+        conn->max_recv_dlength = BYTE_UNITS *
+                          le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
+        conn->max_xmit_dlength = BYTE_UNITS *
+                          le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
+        sess->initial_r2t_en =
+                            (BIT_10 & le16_to_cpu(fw_ddb_entry->iscsi_options));
+        sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
+        sess->imm_data_en = (BIT_11 & le16_to_cpu(fw_ddb_entry->iscsi_options));
+        sess->first_burst = BYTE_UNITS *
+                               le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
+        sess->max_burst = BYTE_UNITS *
+                                 le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
+        sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
+        sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
+        conn->persistent_port = le16_to_cpu(fw_ddb_entry->port);
+        sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
+        options = le16_to_cpu(fw_ddb_entry->options);
+        if (options & DDB_OPT_IPV6_DEVICE)
+                sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr);
+        else
+                sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr);
+        iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME,
+                        (char *)fw_ddb_entry->iscsi_name, buflen);
+        iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME,
+                        (char *)ha->name_string, buflen);
+        iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS,
+                        (char *)ip_addr, buflen);
+}
+void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha,
+                                             struct ddb_entry *ddb_entry)
+{
+        struct iscsi_cls_session *cls_sess;
+        struct iscsi_cls_conn *cls_conn;
+        uint32_t ddb_state;
+        dma_addr_t fw_ddb_entry_dma;
+        struct dev_db_entry *fw_ddb_entry;
+        fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+                                          &fw_ddb_entry_dma, GFP_KERNEL);
+        if (!fw_ddb_entry) {
+                ql4_printk(KERN_ERR, ha,
+                           "%s: Unable to allocate dma buffer\n", __func__);
+                goto exit_session_conn_fwddb_param;
+        }
+        if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
+                                    fw_ddb_entry_dma, NULL, NULL, &ddb_state,
+                                    NULL, NULL, NULL) == QLA_ERROR) {
+                DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
+                                  "get_ddb_entry for fw_ddb_index %d\n",
+                                  ha->host_no, __func__,
+                                  ddb_entry->fw_ddb_index));
+                goto exit_session_conn_fwddb_param;
+        }
+        cls_sess = ddb_entry->sess;
+        cls_conn = ddb_entry->conn;
+        /* Update params */
+        qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn);
+exit_session_conn_fwddb_param:
+        if (fw_ddb_entry)
+                dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+                                  fw_ddb_entry, fw_ddb_entry_dma);
+}
 void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
                                       struct ddb_entry *ddb_entry)
 {
@@ -1360,7 +1600,7 @@ void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
        if (!fw_ddb_entry) {
                ql4_printk(KERN_ERR, ha,
                           "%s: Unable to allocate dma buffer\n", __func__);
-                return;
+                goto exit_session_conn_param;
        }
        if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
@@ -1370,7 +1610,7 @@ void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
                                  "get_ddb_entry for fw_ddb_index %d\n",
                                  ha->host_no, __func__,
                                  ddb_entry->fw_ddb_index));
-                return;
+                goto exit_session_conn_param;
        }
        cls_sess = ddb_entry->sess;
@@ -1379,6 +1619,12 @@ void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
        cls_conn = ddb_entry->conn;
        conn = cls_conn->dd_data;
+        /* Update timers after login */
+        ddb_entry->default_relogin_timeout =
+                                le16_to_cpu(fw_ddb_entry->def_timeout);
+        ddb_entry->default_time2wait =
+                                le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
        /* Update params */
        conn->max_recv_dlength = BYTE_UNITS *
                          le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
@@ -1407,6 +1653,11 @@ void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
        memcpy(sess->initiatorname, ha->name_string,
               min(sizeof(ha->name_string), sizeof(sess->initiatorname)));
+exit_session_conn_param:
+        if (fw_ddb_entry)
+                dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+                                  fw_ddb_entry, fw_ddb_entry_dma);
 }
 /*
@@ -1607,6 +1858,9 @@ static void qla4xxx_mem_free(struct scsi_qla_host *ha)
                vfree(ha->chap_list);
        ha->chap_list = NULL;
+        if (ha->fw_ddb_dma_pool)
+                dma_pool_destroy(ha->fw_ddb_dma_pool);
        /* release io space registers  */
        if (is_qla8022(ha)) {
                if (ha->nx_pcibase)
@@ -1689,6 +1943,16 @@ static int qla4xxx_mem_alloc(struct scsi_qla_host *ha)
                goto mem_alloc_error_exit;
        }
+        ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev,
+                                              DDB_DMA_BLOCK_SIZE, 8, 0);
+        if (ha->fw_ddb_dma_pool == NULL) {
+                ql4_printk(KERN_WARNING, ha,
+                           "%s: fw_ddb_dma_pool allocation failed..\n",
+                           __func__);
+                goto mem_alloc_error_exit;
+        }
        return QLA_SUCCESS;
 mem_alloc_error_exit:
@@ -1800,6 +2064,60 @@ void qla4_8xxx_watchdog(struct scsi_qla_host *ha)
        }
 }
+void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
+{
+        struct iscsi_session *sess;
+        struct ddb_entry *ddb_entry;
+        struct scsi_qla_host *ha;
+        sess = cls_sess->dd_data;
+        ddb_entry = sess->dd_data;
+        ha = ddb_entry->ha;
+        if (!(ddb_entry->ddb_type == FLASH_DDB))
+                return;
+        if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) &&
+            !iscsi_is_session_online(cls_sess)) {
+                if (atomic_read(&ddb_entry->retry_relogin_timer) !=
+                    INVALID_ENTRY) {
+                        if (atomic_read(&ddb_entry->retry_relogin_timer) ==
+                                        0) {
+                                atomic_set(&ddb_entry->retry_relogin_timer,
+                                           INVALID_ENTRY);
+                                set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
+                                set_bit(DF_RELOGIN, &ddb_entry->flags);
+                                DEBUG2(ql4_printk(KERN_INFO, ha,
+                                       "%s: index [%d] login device\n",
+                                        __func__, ddb_entry->fw_ddb_index));
+                        } else
+                                atomic_dec(&ddb_entry->retry_relogin_timer);
+                }
+        }
+        /* Wait for relogin to timeout */
+        if (atomic_read(&ddb_entry->relogin_timer) &&
+            (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) {
+                /*
+                 * If the relogin times out and the device is
+                 * still NOT ONLINE then try and relogin again.
+                 */
+                if (!iscsi_is_session_online(cls_sess)) {
+                        /* Reset retry relogin timer */
+                        atomic_inc(&ddb_entry->relogin_retry_count);
+                        DEBUG2(ql4_printk(KERN_INFO, ha,
+                                "%s: index[%d] relogin timed out-retrying"
+                                " relogin (%d), retry (%d)\n", __func__,
+                                ddb_entry->fw_ddb_index,
+                                atomic_read(&ddb_entry->relogin_retry_count),
+                                ddb_entry->default_time2wait + 4));
+                        set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
+                        atomic_set(&ddb_entry->retry_relogin_timer,
+                                   ddb_entry->default_time2wait + 4);
+                }
+        }
+}
 /**
 * qla4xxx_timer - checks every second for work to do.
 * @ha: Pointer to host adapter structure.
@@ -1809,6 +2127,8 @@ static void qla4xxx_timer(struct scsi_qla_host *ha)
        int start_dpc = 0;
        uint16_t w;
+        iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb);
        /* If we are in the middle of AER/EEH processing
         * skip any processing and reschedule the timer
         */
@@ -2078,7 +2398,12 @@ static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session)
        sess = cls_session->dd_data;
        ddb_entry = sess->dd_data;
        ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED;
-        iscsi_session_failure(cls_session->dd_data, ISCSI_ERR_CONN_FAILED);
+        if (ddb_entry->ddb_type == FLASH_DDB)
+                iscsi_block_session(ddb_entry->sess);
+        else
+                iscsi_session_failure(cls_session->dd_data,
+                                      ISCSI_ERR_CONN_FAILED);
 }
 /**
@@ -2163,7 +2488,7 @@ recover_ha_init_adapter:
                /* NOTE: AF_ONLINE flag set upon successful completion of
                 *       qla4xxx_initialize_adapter */
-                status = qla4xxx_initialize_adapter(ha);
+                status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
        }
        /* Retry failed adapter initialization, if necessary
@@ -2245,17 +2570,108 @@ static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session)
                        iscsi_unblock_session(ddb_entry->sess);
                } else {
                        /* Trigger relogin */
-                        iscsi_session_failure(cls_session->dd_data,
+                        if (ddb_entry->ddb_type == FLASH_DDB) {
-                                              ISCSI_ERR_CONN_FAILED);
+                                if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
+                                        qla4xxx_arm_relogin_timer(ddb_entry);
+                        } else
+                                iscsi_session_failure(cls_session->dd_data,
+                                                      ISCSI_ERR_CONN_FAILED);
                }
        }
 }
+int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session)
+{
+        struct iscsi_session *sess;
+        struct ddb_entry *ddb_entry;
+        struct scsi_qla_host *ha;
+        sess = cls_session->dd_data;
+        ddb_entry = sess->dd_data;
+        ha = ddb_entry->ha;
+        ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
+                   " unblock session\n", ha->host_no, __func__,
+                   ddb_entry->fw_ddb_index);
+        iscsi_unblock_session(ddb_entry->sess);
+        /* Start scan target */
+        if (test_bit(AF_ONLINE, &ha->flags)) {
+                ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
+                           " start scan\n", ha->host_no, __func__,
+                           ddb_entry->fw_ddb_index);
+                scsi_queue_work(ha->host, &ddb_entry->sess->scan_work);
+        }
+        return QLA_SUCCESS;
+}
+int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session)
+{
+        struct iscsi_session *sess;
+        struct ddb_entry *ddb_entry;
+        struct scsi_qla_host *ha;
+        sess = cls_session->dd_data;
+        ddb_entry = sess->dd_data;
+        ha = ddb_entry->ha;
+        ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
+                   " unblock user space session\n", ha->host_no, __func__,
+                   ddb_entry->fw_ddb_index);
+        iscsi_conn_start(ddb_entry->conn);
+        iscsi_conn_login_event(ddb_entry->conn,
+                               ISCSI_CONN_STATE_LOGGED_IN);
+        return QLA_SUCCESS;
+}
 static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha)
 {
        iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices);
 }
+static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
+{
+        uint16_t relogin_timer;
+        struct iscsi_session *sess;
+        struct ddb_entry *ddb_entry;
+        struct scsi_qla_host *ha;
+        sess = cls_sess->dd_data;
+        ddb_entry = sess->dd_data;
+        ha = ddb_entry->ha;
+        relogin_timer = max(ddb_entry->default_relogin_timeout,
+                            (uint16_t)RELOGIN_TOV);
+        atomic_set(&ddb_entry->relogin_timer, relogin_timer);
+        DEBUG2(ql4_printk(KERN_INFO, ha,
+                          "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no,
+                          ddb_entry->fw_ddb_index, relogin_timer));
+        qla4xxx_login_flash_ddb(cls_sess);
+}
+static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess)
+{
+        struct iscsi_session *sess;
+        struct ddb_entry *ddb_entry;
+        struct scsi_qla_host *ha;
+        sess = cls_sess->dd_data;
+        ddb_entry = sess->dd_data;
+        ha = ddb_entry->ha;
+        if (!(ddb_entry->ddb_type == FLASH_DDB))
+                return;
+        if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) &&
+            !iscsi_is_session_online(cls_sess)) {
+                DEBUG2(ql4_printk(KERN_INFO, ha,
+                                  "relogin issued\n"));
+                qla4xxx_relogin_flash_ddb(cls_sess);
+        }
+}
 void qla4xxx_wake_dpc(struct scsi_qla_host *ha)
 {
        if (ha->dpc_thread)
@@ -2356,6 +2772,12 @@ dpc_post_reset_ha:
        if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags))
                qla4xxx_get_dhcp_ip_address(ha);
+        /* ---- relogin device? --- */
+        if (adapter_up(ha) &&
+            test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) {
+                iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin);
+        }
        /* ---- link change? --- */
        if (test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) {
                if (!test_bit(AF_LINK_UP, &ha->flags)) {
@@ -2368,8 +2790,12 @@ dpc_post_reset_ha:
                         * fatal error recovery.  Therefore, the driver must
                         * manually relogin to devices when recovering from
                         * connection failures, logouts, expired KATO, etc. */
+                        if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) {
-                        qla4xxx_relogin_all_devices(ha);
+                                qla4xxx_build_ddb_list(ha, ha->is_reset);
+                                iscsi_host_for_each_session(ha->host,
+                                                qla4xxx_login_flash_ddb);
+                        } else
+                                qla4xxx_relogin_all_devices(ha);
                }
        }
 }
@@ -2867,6 +3293,9 @@ static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[])
                          " target ID %d\n", __func__, ddb_index[0],
                          ddb_index[1]));
+        ha->pri_ddb_idx = ddb_index[0];
+        ha->sec_ddb_idx = ddb_index[1];
 exit_boot_info_free:
        dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma);
 exit_boot_info:
@@ -3034,6 +3463,9 @@ static int qla4xxx_get_boot_info(struct scsi_qla_host *ha)
                return ret;
        }
+        if (ql4xdisablesysfsboot)
+                return QLA_SUCCESS;
        if (ddb_index[0] == 0xffff)
                goto sec_target;
@@ -3066,7 +3498,15 @@ static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha)
        struct iscsi_boot_kobj *boot_kobj;
        if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS)
-                return 0;
+                return QLA_ERROR;
+        if (ql4xdisablesysfsboot) {
+                ql4_printk(KERN_INFO, ha,
+                           "%s: syfsboot disabled - driver will trigger login"
+                           "and publish session for discovery .\n", __func__);
+                return QLA_SUCCESS;
+        }
        ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no);
        if (!ha->boot_kset)
@@ -3108,7 +3548,7 @@ static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha)
        if (!boot_kobj)
                goto put_host;
-        return 0;
+        return QLA_SUCCESS;
 put_host:
        scsi_host_put(ha->host);
@@ -3174,9 +3614,507 @@ static void qla4xxx_create_chap_list(struct scsi_qla_host *ha)
 exit_chap_list:
        dma_free_coherent(&ha->pdev->dev, chap_size,
                        chap_flash_data, chap_dma);
-        return;
 }
+static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry,
+                                  struct ql4_tuple_ddb *tddb)
+{
+        struct scsi_qla_host *ha;
+        struct iscsi_cls_session *cls_sess;
+        struct iscsi_cls_conn *cls_conn;
+        struct iscsi_session *sess;
+        struct iscsi_conn *conn;
+        DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
+        ha = ddb_entry->ha;
+        cls_sess = ddb_entry->sess;
+        sess = cls_sess->dd_data;
+        cls_conn = ddb_entry->conn;
+        conn = cls_conn->dd_data;
+        tddb->tpgt = sess->tpgt;
+        tddb->port = conn->persistent_port;
+        strncpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE);
+        strncpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN);
+}
+static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry,
+                                      struct ql4_tuple_ddb *tddb)
+{
+        uint16_t options = 0;
+        tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
+        memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0],
+               min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name)));
+        options = le16_to_cpu(fw_ddb_entry->options);
+        if (options & DDB_OPT_IPV6_DEVICE)
+                sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr);
+        else
+                sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr);
+        tddb->port = le16_to_cpu(fw_ddb_entry->port);
+}
+static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha,
+                                     struct ql4_tuple_ddb *old_tddb,
+                                     struct ql4_tuple_ddb *new_tddb)
+{
+        if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name))
+                return QLA_ERROR;
+        if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr))
+                return QLA_ERROR;
+        if (old_tddb->port != new_tddb->port)
+                return QLA_ERROR;
+        DEBUG2(ql4_printk(KERN_INFO, ha,
+                          "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]",
+                          old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr,
+                          old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt,
+                          new_tddb->ip_addr, new_tddb->iscsi_name));
+        return QLA_SUCCESS;
+}
+static int qla4xxx_is_session_exists(struct scsi_qla_host *ha,
+                                     struct dev_db_entry *fw_ddb_entry)
+{
+        struct ddb_entry *ddb_entry;
+        struct ql4_tuple_ddb *fw_tddb = NULL;
+        struct ql4_tuple_ddb *tmp_tddb = NULL;
+        int idx;
+        int ret = QLA_ERROR;
+        fw_tddb = vzalloc(sizeof(*fw_tddb));
+        if (!fw_tddb) {
+                DEBUG2(ql4_printk(KERN_WARNING, ha,
+                                  "Memory Allocation failed.\n"));
+                ret = QLA_SUCCESS;
+                goto exit_check;
+        }
+        tmp_tddb = vzalloc(sizeof(*tmp_tddb));
+        if (!tmp_tddb) {
+                DEBUG2(ql4_printk(KERN_WARNING, ha,
+                                  "Memory Allocation failed.\n"));
+                ret = QLA_SUCCESS;
+                goto exit_check;
+        }
+        qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb);
+        for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
+                ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
+                if (ddb_entry == NULL)
+                        continue;
+                qla4xxx_get_param_ddb(ddb_entry, tmp_tddb);
+                if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb)) {
+                        ret = QLA_SUCCESS; /* found */
+                        goto exit_check;
+                }
+        }
+exit_check:
+        if (fw_tddb)
+                vfree(fw_tddb);
+        if (tmp_tddb)
+                vfree(tmp_tddb);
+        return ret;
+}
+static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha,
+                                       struct list_head *list_nt,
+                                       struct dev_db_entry *fw_ddb_entry)
+{
+        struct qla_ddb_index  *nt_ddb_idx, *nt_ddb_idx_tmp;
+        struct ql4_tuple_ddb *fw_tddb = NULL;
+        struct ql4_tuple_ddb *tmp_tddb = NULL;
+        int ret = QLA_ERROR;
+        fw_tddb = vzalloc(sizeof(*fw_tddb));
+        if (!fw_tddb) {
+                DEBUG2(ql4_printk(KERN_WARNING, ha,
+                                  "Memory Allocation failed.\n"));
+                ret = QLA_SUCCESS;
+                goto exit_check;
+        }
+        tmp_tddb = vzalloc(sizeof(*tmp_tddb));
+        if (!tmp_tddb) {
+                DEBUG2(ql4_printk(KERN_WARNING, ha,
+                                  "Memory Allocation failed.\n"));
+                ret = QLA_SUCCESS;
+                goto exit_check;
+        }
+        qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb);
+        list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
+                qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb);
+                if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb)) {
+                        ret = QLA_SUCCESS; /* found */
+                        goto exit_check;
+                }
+        }
+exit_check:
+        if (fw_tddb)
+                vfree(fw_tddb);
+        if (tmp_tddb)
+                vfree(tmp_tddb);
+        return ret;
+}
+static void qla4xxx_free_nt_list(struct list_head *list_nt)
+{
+        struct qla_ddb_index  *nt_ddb_idx, *nt_ddb_idx_tmp;
+        /* Free up the normaltargets list */
+        list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
+                list_del_init(&nt_ddb_idx->list);
+                vfree(nt_ddb_idx);
+        }
+}
+static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha,
+                                        struct dev_db_entry *fw_ddb_entry)
+{
+        struct iscsi_endpoint *ep;
+        struct sockaddr_in *addr;
+        struct sockaddr_in6 *addr6;
+        struct sockaddr *dst_addr;
+        char *ip;
+        /* TODO: need to destroy on unload iscsi_endpoint*/
+        dst_addr = vmalloc(sizeof(*dst_addr));
+        if (!dst_addr)
+                return NULL;
+        if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) {
+                dst_addr->sa_family = AF_INET6;
+                addr6 = (struct sockaddr_in6 *)dst_addr;
+                ip = (char *)&addr6->sin6_addr;
+                memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN);
+                addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port));
+        } else {
+                dst_addr->sa_family = AF_INET;
+                addr = (struct sockaddr_in *)dst_addr;
+                ip = (char *)&addr->sin_addr;
+                memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN);
+                addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port));
+        }
+        ep = qla4xxx_ep_connect(ha->host, dst_addr, 0);
+        vfree(dst_addr);
+        return ep;
+}
+static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx)
+{
+        if (ql4xdisablesysfsboot)
+                return QLA_SUCCESS;
+        if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)
+                return QLA_ERROR;
+        return QLA_SUCCESS;
+}
+static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha,
+                                          struct ddb_entry *ddb_entry)
+{
+        ddb_entry->ddb_type = FLASH_DDB;
+        ddb_entry->fw_ddb_index = INVALID_ENTRY;
+        ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
+        ddb_entry->ha = ha;
+        ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb;
+        ddb_entry->ddb_change = qla4xxx_flash_ddb_change;
+        atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
+        atomic_set(&ddb_entry->relogin_timer, 0);
+        atomic_set(&ddb_entry->relogin_retry_count, 0);
+        ddb_entry->default_relogin_timeout =
+                le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout);
+        ddb_entry->default_time2wait =
+                le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait);
+}
+static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha)
+{
+        uint32_t idx = 0;
+        uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */
+        uint32_t sts[MBOX_REG_COUNT];
+        uint32_t ip_state;
+        unsigned long wtime;
+        int ret;
+        wtime = jiffies + (HZ * IP_CONFIG_TOV);
+        do {
+                for (idx = 0; idx < IP_ADDR_COUNT; idx++) {
+                        if (ip_idx[idx] == -1)
+                                continue;
+                        ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts);
+                        if (ret == QLA_ERROR) {
+                                ip_idx[idx] = -1;
+                                continue;
+                        }
+                        ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT;
+                        DEBUG2(ql4_printk(KERN_INFO, ha,
+                                          "Waiting for IP state for idx = %d, state = 0x%x\n",
+                                          ip_idx[idx], ip_state));
+                        if (ip_state == IP_ADDRSTATE_UNCONFIGURED ||
+                            ip_state == IP_ADDRSTATE_INVALID ||
+                            ip_state == IP_ADDRSTATE_PREFERRED ||
+                            ip_state == IP_ADDRSTATE_DEPRICATED ||
+                            ip_state == IP_ADDRSTATE_DISABLING)
+                                ip_idx[idx] = -1;
+                }
+                /* Break if all IP states checked */
+                if ((ip_idx[0] == -1) &&
+                    (ip_idx[1] == -1) &&
+                    (ip_idx[2] == -1) &&
+                    (ip_idx[3] == -1))
+                        break;
+                schedule_timeout_uninterruptible(HZ);
+        } while (time_after(wtime, jiffies));
+}
+void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset)
+{
+        int max_ddbs;
+        int ret;
+        uint32_t idx = 0, next_idx = 0;
+        uint32_t state = 0, conn_err = 0;
+        uint16_t conn_id;
+        struct dev_db_entry *fw_ddb_entry;
+        struct ddb_entry *ddb_entry = NULL;
+        dma_addr_t fw_ddb_dma;
+        struct iscsi_cls_session *cls_sess;
+        struct iscsi_session *sess;
+        struct iscsi_cls_conn *cls_conn;
+        struct iscsi_endpoint *ep;
+        uint16_t cmds_max = 32, tmo = 0;
+        uint32_t initial_cmdsn = 0;
+        struct list_head list_st, list_nt; /* List of sendtargets */
+        struct qla_ddb_index  *st_ddb_idx, *st_ddb_idx_tmp;
+        int fw_idx_size;
+        unsigned long wtime;
+        struct qla_ddb_index  *nt_ddb_idx;
+        if (!test_bit(AF_LINK_UP, &ha->flags)) {
+                set_bit(AF_BUILD_DDB_LIST, &ha->flags);
+                ha->is_reset = is_reset;
+                return;
+        }
+        max_ddbs =  is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
+                                     MAX_DEV_DB_ENTRIES;
+        fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
+                                      &fw_ddb_dma);
+        if (fw_ddb_entry == NULL) {
+                DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
+                goto exit_ddb_list;
+        }
+        INIT_LIST_HEAD(&list_st);
+        INIT_LIST_HEAD(&list_nt);
+        fw_idx_size = sizeof(struct qla_ddb_index);
+        for (idx = 0; idx < max_ddbs; idx = next_idx) {
+                ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry,
+                                              fw_ddb_dma, NULL,
+                                              &next_idx, &state, &conn_err,
+                                              NULL, &conn_id);
+                if (ret == QLA_ERROR)
+                        break;
+                if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS)
+                        goto continue_next_st;
+                /* Check if ST, add to the list_st */
+                if (strlen((char *) fw_ddb_entry->iscsi_name) != 0)
+                        goto continue_next_st;
+                st_ddb_idx = vzalloc(fw_idx_size);
+                if (!st_ddb_idx)
+                        break;
+                st_ddb_idx->fw_ddb_idx = idx;
+                list_add_tail(&st_ddb_idx->list, &list_st);
+continue_next_st:
+                if (next_idx == 0)
+                        break;
+        }
+        /* Before issuing conn open mbox, ensure all IPs states are configured
+         * Note, conn open fails if IPs are not configured
+         */
+        qla4xxx_wait_for_ip_configuration(ha);
+        /* Go thru the STs and fire the sendtargets by issuing conn open mbx */
+        list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) {
+                qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx);
+        }
+        /* Wait to ensure all sendtargets are done for min 12 sec wait */
+        tmo = ((ha->def_timeout < LOGIN_TOV) ? LOGIN_TOV : ha->def_timeout);
+        DEBUG2(ql4_printk(KERN_INFO, ha,
+                          "Default time to wait for build ddb %d\n", tmo));
+        wtime = jiffies + (HZ * tmo);
+        do {
+                list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st,
+                                         list) {
+                        ret = qla4xxx_get_fwddb_entry(ha,
+                                                      st_ddb_idx->fw_ddb_idx,
+                                                      NULL, 0, NULL, &next_idx,
+                                                      &state, &conn_err, NULL,
+                                                      NULL);
+                        if (ret == QLA_ERROR)
+                                continue;
+                        if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
+                            state == DDB_DS_SESSION_FAILED) {
+                                list_del_init(&st_ddb_idx->list);
+                                vfree(st_ddb_idx);
+                        }
+                }
+                schedule_timeout_uninterruptible(HZ / 10);
+        } while (time_after(wtime, jiffies));
+        /* Free up the sendtargets list */
+        list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) {
+                list_del_init(&st_ddb_idx->list);
+                vfree(st_ddb_idx);
+        }
+        for (idx = 0; idx < max_ddbs; idx = next_idx) {
+                ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry,
+                                              fw_ddb_dma, NULL,
+                                              &next_idx, &state, &conn_err,
+                                              NULL, &conn_id);
+                if (ret == QLA_ERROR)
+                        break;
+                if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS)
+                        goto continue_next_nt;
+                /* Check if NT, then add to list it */
+                if (strlen((char *) fw_ddb_entry->iscsi_name) == 0)
+                        goto continue_next_nt;
+                if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
+                    state == DDB_DS_SESSION_FAILED) {
+                        DEBUG2(ql4_printk(KERN_INFO, ha,
+                                          "Adding  DDB to session = 0x%x\n",
+                                          idx));
+                        if (is_reset == INIT_ADAPTER) {
+                                nt_ddb_idx = vmalloc(fw_idx_size);
+                                if (!nt_ddb_idx)
+                                        break;
+                                nt_ddb_idx->fw_ddb_idx = idx;
+                                memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry,
+                                       sizeof(struct dev_db_entry));
+                                if (qla4xxx_is_flash_ddb_exists(ha, &list_nt,
+                                                fw_ddb_entry) == QLA_SUCCESS) {
+                                        vfree(nt_ddb_idx);
+                                        goto continue_next_nt;
+                                }
+                                list_add_tail(&nt_ddb_idx->list, &list_nt);
+                        } else if (is_reset == RESET_ADAPTER) {
+                                if (qla4xxx_is_session_exists(ha,
+                                                   fw_ddb_entry) == QLA_SUCCESS)
+                                        goto continue_next_nt;
+                        }
+                        /* Create session object, with INVALID_ENTRY,
+                         * the targer_id would get set when we issue the login
+                         */
+                        cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport,
+                                                ha->host, cmds_max,
+                                                sizeof(struct ddb_entry),
+                                                sizeof(struct ql4_task_data),
+                                                initial_cmdsn, INVALID_ENTRY);
+                        if (!cls_sess)
+                                goto exit_ddb_list;
+                        /*
+                         * iscsi_session_setup increments the driver reference
+                         * count which wouldn't let the driver to be unloaded.
+                         * so calling module_put function to decrement the
+                         * reference count.
+                         **/
+                        module_put(qla4xxx_iscsi_transport.owner);
+                        sess = cls_sess->dd_data;
+                        ddb_entry = sess->dd_data;
+                        ddb_entry->sess = cls_sess;
+                        cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
+                        memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry,
+                               sizeof(struct dev_db_entry));
+                        qla4xxx_setup_flash_ddb_entry(ha, ddb_entry);
+                        cls_conn = iscsi_conn_setup(cls_sess,
+                                                    sizeof(struct qla_conn),
+                                                    conn_id);
+                        if (!cls_conn)
+                                goto exit_ddb_list;
+                        ddb_entry->conn = cls_conn;
+                        /* Setup ep, for displaying attributes in sysfs */
+                        ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry);
+                        if (ep) {
+                                ep->conn = cls_conn;
+                                cls_conn->ep = ep;
+                        } else {
+                                DEBUG2(ql4_printk(KERN_ERR, ha,
+                                                  "Unable to get ep\n"));
+                        }
+                        /* Update sess/conn params */
+                        qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess,
+                                                 cls_conn);
+                        if (is_reset == RESET_ADAPTER) {
+                                iscsi_block_session(cls_sess);
+                                /* Use the relogin path to discover new devices
+                                 *  by short-circuting the logic of setting
+                                 *  timer to relogin - instead set the flags
+                                 *  to initiate login right away.
+                                 */
+                                set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
+                                set_bit(DF_RELOGIN, &ddb_entry->flags);
+                        }
+                }
+continue_next_nt:
+                if (next_idx == 0)
+                        break;
+        }
+exit_ddb_list:
+        qla4xxx_free_nt_list(&list_nt);
+        if (fw_ddb_entry)
+                dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
+        qla4xxx_free_ddb_index(ha);
+}
 /**
 * qla4xxx_probe_adapter - callback function to probe HBA
 * @pdev: pointer to pci_dev structure
@@ -3298,7 +4236,7 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
         * firmware
         * NOTE: interrupts enabled upon successful completion
         */
-        status = qla4xxx_initialize_adapter(ha);
+        status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
        while ((!test_bit(AF_ONLINE, &ha->flags)) &&
            init_retry_count++ < MAX_INIT_RETRIES) {
@@ -3319,7 +4257,7 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
                if (ha->isp_ops->reset_chip(ha) == QLA_ERROR)
                        continue;
-                status = qla4xxx_initialize_adapter(ha);
+                status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
        }
        if (!test_bit(AF_ONLINE, &ha->flags)) {
@@ -3386,12 +4324,16 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
               ha->host_no, ha->firmware_version[0], ha->firmware_version[1],
               ha->patch_number, ha->build_number);
-        qla4xxx_create_chap_list(ha);
        if (qla4xxx_setup_boot_info(ha))
                ql4_printk(KERN_ERR, ha, "%s:ISCSI boot info setup failed\n",
                           __func__);
+                /* Perform the build ddb list and login to each */
+        qla4xxx_build_ddb_list(ha, INIT_ADAPTER);
+        iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb);
+        qla4xxx_create_chap_list(ha);
        qla4xxx_create_ifaces(ha);
        return 0;
@@ -3449,6 +4391,38 @@ static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha)
        }
 }
+static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha)
+{
+        struct ddb_entry *ddb_entry;
+        int options;
+        int idx;
+        for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
+                ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
+                if ((ddb_entry != NULL) &&
+                    (ddb_entry->ddb_type == FLASH_DDB)) {
+                        options = LOGOUT_OPTION_CLOSE_SESSION;
+                        if (qla4xxx_session_logout_ddb(ha, ddb_entry, options)
+                            == QLA_ERROR)
+                                ql4_printk(KERN_ERR, ha, "%s: Logout failed\n",
+                                           __func__);
+                        qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
+                        /*
+                         * we have decremented the reference count of the driver
+                         * when we setup the session to have the driver unload
+                         * to be seamless without actually destroying the
+                         * session
+                         **/
+                        try_module_get(qla4xxx_iscsi_transport.owner);
+                        iscsi_destroy_endpoint(ddb_entry->conn->ep);
+                        qla4xxx_free_ddb(ha, ddb_entry);
+                        iscsi_session_teardown(ddb_entry->sess);
+                }
+        }
+}
 /**
 * qla4xxx_remove_adapter - calback function to remove adapter.
 * @pci_dev: PCI device pointer
@@ -3465,9 +4439,11 @@ static void __devexit qla4xxx_remove_adapter(struct pci_dev *pdev)
        /* destroy iface from sysfs */
        qla4xxx_destroy_ifaces(ha);
-        if (ha->boot_kset)
+        if ((!ql4xdisablesysfsboot) && ha->boot_kset)
                iscsi_boot_destroy_kset(ha->boot_kset);
+        qla4xxx_destroy_fw_ddb_session(ha);
        scsi_remove_host(ha->host);
        qla4xxx_free_adapter(ha);
@@ -4115,7 +5091,7 @@ static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
                qla4_8xxx_idc_unlock(ha);
                clear_bit(AF_FW_RECOVERY, &ha->flags);
-                rval = qla4xxx_initialize_adapter(ha);
+                rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
                qla4_8xxx_idc_lock(ha);
                if (rval != QLA_SUCCESS) {
@@ -4151,7 +5127,7 @@ static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
                if ((qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
                    QLA82XX_DEV_READY)) {
                        clear_bit(AF_FW_RECOVERY, &ha->flags);
-                        rval = qla4xxx_initialize_adapter(ha);
+                        rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
                        if (rval == QLA_SUCCESS) {
                                ret = qla4xxx_request_irqs(ha);
                                if (ret) {
diff --git a/drivers/scsi/qla4xxx/ql4_version.h b/drivers/scsi/qla4xxx/ql4_version.h
index c15347d3f532..5254e57968f5 100644
--- a/drivers/scsi/qla4xxx/ql4_version.h
+++ b/drivers/scsi/qla4xxx/ql4_version.h
@@ -5,4 +5,4 @@
 * See LICENSE.qla4xxx for copyright and licensing details.
 */
-#define QLA4XXX_DRIVER_VERSION  "5.02.00-k8"
+#define QLA4XXX_DRIVER_VERSION  "5.02.00-k9"
diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c
index b3b8f2f3ad10..ede860f921df 100644
--- a/drivers/xen/xenbus/xenbus_xs.c
+++ b/drivers/xen/xenbus/xenbus_xs.c
@@ -621,15 +621,6 @@ static struct xenbus_watch *find_watch(const char *token)
        return NULL;
 }
-static void xs_reset_watches(void)
-{
-        int err;
-        err = xs_error(xs_single(XBT_NIL, XS_RESET_WATCHES, "", NULL));
-        if (err && err != -EEXIST)
-                printk(KERN_WARNING "xs_reset_watches failed: %d\n", err);
-}
 /* Register callback to watch this node. */
 int register_xenbus_watch(struct xenbus_watch *watch)
 {
@@ -906,9 +897,5 @@ int xs_init(void)
        if (IS_ERR(task))
                return PTR_ERR(task);
-        /* shutdown watches for kexec boot */
-        if (xen_hvm_domain())
-                xs_reset_watches();
        return 0;
 }