ttm: Include the 'struct dev' when using the DMA API.

This makes the accounting when using 'debug_dma_dump_mappings()'
and CONFIG_DMA_API_DEBUG=y be assigned to the correct device
instead of 'fallback'.

No functional change - just cosmetic.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h
index 8062890..ccb6b7a 100644
--- a/include/drm/ttm/ttm_page_alloc.h
+++ b/include/drm/ttm/ttm_page_alloc.h
@@ -37,12 +37,14 @@
  * @cstate: ttm caching state for the page.
  * @count: number of pages to allocate.
  * @dma_address: The DMA (bus) address of pages (if TTM_PAGE_FLAG_DMA32 set).
+ * @dev: struct device for appropiate DMA accounting.
  */
 int ttm_get_pages(struct list_head *pages,
 		  int flags,
 		  enum ttm_caching_state cstate,
 		  unsigned count,
-		  dma_addr_t *dma_address);
+		  dma_addr_t *dma_address,
+		  struct device *dev);
 /**
  * Put linked list of pages to pool.
  *
@@ -52,12 +54,14 @@
  * @flags: ttm flags for page allocation.
  * @cstate: ttm caching state.
  * @dma_address: The DMA (bus) address of pages (if TTM_PAGE_FLAG_DMA32 set).
+ * @dev: struct device for appropiate DMA accounting.
  */
 void ttm_put_pages(struct list_head *pages,
 		   unsigned page_count,
 		   int flags,
 		   enum ttm_caching_state cstate,
-		   dma_addr_t *dma_address);
+		   dma_addr_t *dma_address,
+		   struct device *dev);
 /**
  * Initialize pool allocator.
  */