swiotlb: do not export map_single function

The map_single() function is not defined as static, even though it doesn't seem to be used anywhere else in the kernel. Make it static to avoid namespace pollution since this is a rather generic symbol. Signed-off-by: Alexandre Courbot <[email protected]> Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
vbatts · Jun 5, 2015 · 023600f · 023600f
1 parent c65b99f
commit 023600f
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
@@ -537,8 +537,9 @@ EXPORT_SYMBOL_GPL(swiotlb_tbl_map_single);
  * Allocates bounce buffer and returns its kernel virtual address.
  */
 
-phys_addr_t map_single(struct device *hwdev, phys_addr_t phys, size_t size,
-		       enum dma_data_direction dir)
+static phys_addr_t
+map_single(struct device *hwdev, phys_addr_t phys, size_t size,
+	   enum dma_data_direction dir)
 {
 	dma_addr_t start_dma_addr = phys_to_dma(hwdev, io_tlb_start);