Merge branch 'drm-patches' of ssh://master.kernel.org/pub/scm/linux/kernel/git/airlie...

[powerpc.git] / include / asm-alpha / dma-mapping.h

diff --git a/include/asm-alpha/dma-mapping.h b/include/asm-alpha/dma-mapping.h
index 1919d72..75a1aff 100644 (file)
--- a/include/asm-alpha/dma-mapping.h
+++ b/include/asm-alpha/dma-mapping.h
@@ -41,9 +41,9 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
 #define dma_map_single(dev, va, size, dir)     virt_to_phys(va)
 #define dma_map_page(dev, page, off, size, dir)        (page_to_pa(page) + off)
 
-#define dma_unmap_single(dev, addr, size, dir) do { } while (0)
-#define dma_unmap_page(dev, addr, size, dir)   do { } while (0)
-#define dma_unmap_sg(dev, sg, nents, dir)      do { } while (0)
+#define dma_unmap_single(dev, addr, size, dir) ((void)0)
+#define dma_unmap_page(dev, addr, size, dir)   ((void)0)
+#define dma_unmap_sg(dev, sg, nents, dir)      ((void)0)
 
 #define dma_mapping_error(addr)  (0)