Merge branch 'master' into for-next

Fast-forwarded to current state of Linus' tree as there are patches to be
applied for files that didn't exist on the old branch.

3 files changed, 16 insertions, 36 deletions

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 0b6a55ac2f8..2e618b5ac46 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1168,7 +1168,7 @@ int ttm_bo_init(struct ttm_bo_device *bdev,
                 uint32_t page_alignment,
                 unsigned long buffer_start,
                 bool interruptible,
-                struct file *persistant_swap_storage,
+                struct file *persistent_swap_storage,
                 size_t acc_size,
                 void (*destroy) (struct ttm_buffer_object *))
 {
@@ -1211,7 +1211,7 @@ int ttm_bo_init(struct ttm_bo_device *bdev,
         bo->priv_flags = 0;
         bo->mem.placement = (TTM_PL_FLAG_SYSTEM | TTM_PL_FLAG_CACHED);
         bo->seq_valid = false;
-        bo->persistant_swap_storage = persistant_swap_storage;
+        bo->persistent_swap_storage = persistent_swap_storage;
         bo->acc_size = acc_size;
         atomic_inc(&bo->glob->bo_count);
 
@@ -1260,7 +1260,7 @@ int ttm_bo_create(struct ttm_bo_device *bdev,
                         uint32_t page_alignment,
                         unsigned long buffer_start,
                         bool interruptible,
-                        struct file *persistant_swap_storage,
+                        struct file *persistent_swap_storage,
                         struct ttm_buffer_object **p_bo)
 {
         struct ttm_buffer_object *bo;
@@ -1282,7 +1282,7 @@ int ttm_bo_create(struct ttm_bo_device *bdev,
 
         ret = ttm_bo_init(bdev, bo, size, type, placement, page_alignment,
                                 buffer_start, interruptible,
-                                persistant_swap_storage, acc_size, NULL);
+                                persistent_swap_storage, acc_size, NULL);
         if (likely(ret == 0))
                 *p_bo = bo;
 
@@ -1863,7 +1863,7 @@ static int ttm_bo_swapout(struct ttm_mem_shrink *shrink)
         if (bo->bdev->driver->swap_notify)
                 bo->bdev->driver->swap_notify(bo);
 
-        ret = ttm_tt_swapout(bo->ttm, bo->persistant_swap_storage);
+        ret = ttm_tt_swapout(bo->ttm, bo->persistent_swap_storage);
 out:
 
         /**
diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
index 737a2a2e46a..9d9d92945f8 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -683,22 +683,14 @@ int ttm_get_pages(struct list_head *pages, int flags,
                         gfp_flags |= GFP_HIGHUSER;
 
                 for (r = 0; r < count; ++r) {
-                        if ((flags & TTM_PAGE_FLAG_DMA32) && dma_address) {
-                                void *addr;
-                                addr = dma_alloc_coherent(NULL, PAGE_SIZE,
-                                                          &dma_address[r],
-                                                          gfp_flags);
-                                if (addr == NULL)
-                                        return -ENOMEM;
-                                p = virt_to_page(addr);
-                        } else
-                                p = alloc_page(gfp_flags);
+                        p = alloc_page(gfp_flags);
                         if (!p) {
 
                                 printk(KERN_ERR TTM_PFX
                                        "Unable to allocate page.");
                                 return -ENOMEM;
                         }
+
                         list_add(&p->lru, pages);
                 }
                 return 0;
@@ -746,24 +738,12 @@ void ttm_put_pages(struct list_head *pages, unsigned page_count, int flags,
         unsigned long irq_flags;
         struct ttm_page_pool *pool = ttm_get_pool(flags, cstate);
         struct page *p, *tmp;
-        unsigned r;
 
         if (pool == NULL) {
                 /* No pool for this memory type so free the pages */
 
-                r = page_count-1;
                 list_for_each_entry_safe(p, tmp, pages, lru) {
-                        if ((flags & TTM_PAGE_FLAG_DMA32) && dma_address) {
-                                void *addr = page_address(p);
-                                WARN_ON(!addr || !dma_address[r]);
-                                if (addr)
-                                        dma_free_coherent(NULL, PAGE_SIZE,
-                                                          addr,
-                                                          dma_address[r]);
-                                dma_address[r] = 0;
-                        } else
-                                __free_page(p);
-                        r--;
+                        __free_page(p);
                 }
                 /* Make the pages list empty */
                 INIT_LIST_HEAD(pages);
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index 86d5b1745a4..90e23e0bfad 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -332,7 +332,7 @@ void ttm_tt_destroy(struct ttm_tt *ttm)
                 ttm_tt_free_page_directory(ttm);
         }
 
-        if (!(ttm->page_flags & TTM_PAGE_FLAG_PERSISTANT_SWAP) &&
+        if (!(ttm->page_flags & TTM_PAGE_FLAG_PERSISTENT_SWAP) &&
             ttm->swap_storage)
                 fput(ttm->swap_storage);
 
@@ -503,7 +503,7 @@ static int ttm_tt_swapin(struct ttm_tt *ttm)
                 page_cache_release(from_page);
         }
 
-        if (!(ttm->page_flags & TTM_PAGE_FLAG_PERSISTANT_SWAP))
+        if (!(ttm->page_flags & TTM_PAGE_FLAG_PERSISTENT_SWAP))
                 fput(swap_storage);
         ttm->swap_storage = NULL;
         ttm->page_flags &= ~TTM_PAGE_FLAG_SWAPPED;
@@ -514,7 +514,7 @@ out_err:
         return ret;
 }
 
-int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistant_swap_storage)
+int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistent_swap_storage)
 {
         struct address_space *swap_space;
         struct file *swap_storage;
@@ -540,7 +540,7 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistant_swap_storage)
                 return 0;
         }
 
-        if (!persistant_swap_storage) {
+        if (!persistent_swap_storage) {
                 swap_storage = shmem_file_setup("ttm swap",
                                                 ttm->num_pages << PAGE_SHIFT,
                                                 0);
@@ -549,7 +549,7 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistant_swap_storage)
                         return PTR_ERR(swap_storage);
                 }
         } else
-                swap_storage = persistant_swap_storage;
+                swap_storage = persistent_swap_storage;
 
         swap_space = swap_storage->f_path.dentry->d_inode->i_mapping;
 
@@ -577,12 +577,12 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistant_swap_storage)
         ttm_tt_free_alloced_pages(ttm);
         ttm->swap_storage = swap_storage;
         ttm->page_flags |= TTM_PAGE_FLAG_SWAPPED;
-        if (persistant_swap_storage)
-                ttm->page_flags |= TTM_PAGE_FLAG_PERSISTANT_SWAP;
+        if (persistent_swap_storage)
+                ttm->page_flags |= TTM_PAGE_FLAG_PERSISTENT_SWAP;
 
         return 0;
 out_err:
-        if (!persistant_swap_storage)
+        if (!persistent_swap_storage)
                 fput(swap_storage);
 
         return ret;