diff options
Diffstat (limited to 'include/asm-powerpc/dma-mapping.h')
-rw-r--r-- | include/asm-powerpc/dma-mapping.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/include/asm-powerpc/dma-mapping.h b/include/asm-powerpc/dma-mapping.h index 7c7de87bd8ae..a19a6f1a1cf1 100644 --- a/include/asm-powerpc/dma-mapping.h +++ b/include/asm-powerpc/dma-mapping.h | |||
@@ -37,9 +37,9 @@ extern void __dma_sync_page(struct page *page, unsigned long offset, | |||
37 | */ | 37 | */ |
38 | 38 | ||
39 | #define __dma_alloc_coherent(gfp, size, handle) NULL | 39 | #define __dma_alloc_coherent(gfp, size, handle) NULL |
40 | #define __dma_free_coherent(size, addr) do { } while (0) | 40 | #define __dma_free_coherent(size, addr) ((void)0) |
41 | #define __dma_sync(addr, size, rw) do { } while (0) | 41 | #define __dma_sync(addr, size, rw) ((void)0) |
42 | #define __dma_sync_page(pg, off, sz, rw) do { } while (0) | 42 | #define __dma_sync_page(pg, off, sz, rw) ((void)0) |
43 | 43 | ||
44 | #endif /* ! CONFIG_NOT_COHERENT_CACHE */ | 44 | #endif /* ! CONFIG_NOT_COHERENT_CACHE */ |
45 | 45 | ||
@@ -251,7 +251,7 @@ dma_map_single(struct device *dev, void *ptr, size_t size, | |||
251 | } | 251 | } |
252 | 252 | ||
253 | /* We do nothing. */ | 253 | /* We do nothing. */ |
254 | #define dma_unmap_single(dev, addr, size, dir) do { } while (0) | 254 | #define dma_unmap_single(dev, addr, size, dir) ((void)0) |
255 | 255 | ||
256 | static inline dma_addr_t | 256 | static inline dma_addr_t |
257 | dma_map_page(struct device *dev, struct page *page, | 257 | dma_map_page(struct device *dev, struct page *page, |
@@ -266,7 +266,7 @@ dma_map_page(struct device *dev, struct page *page, | |||
266 | } | 266 | } |
267 | 267 | ||
268 | /* We do nothing. */ | 268 | /* We do nothing. */ |
269 | #define dma_unmap_page(dev, handle, size, dir) do { } while (0) | 269 | #define dma_unmap_page(dev, handle, size, dir) ((void)0) |
270 | 270 | ||
271 | static inline int | 271 | static inline int |
272 | dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, | 272 | dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, |
@@ -286,7 +286,7 @@ dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, | |||
286 | } | 286 | } |
287 | 287 | ||
288 | /* We don't do anything here. */ | 288 | /* We don't do anything here. */ |
289 | #define dma_unmap_sg(dev, sg, nents, dir) do { } while (0) | 289 | #define dma_unmap_sg(dev, sg, nents, dir) ((void)0) |
290 | 290 | ||
291 | #endif /* CONFIG_PPC64 */ | 291 | #endif /* CONFIG_PPC64 */ |
292 | 292 | ||