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-rw-r--r--include/asm-alpha/dma-mapping.h20
1 files changed, 11 insertions, 9 deletions
diff --git a/include/asm-alpha/dma-mapping.h b/include/asm-alpha/dma-mapping.h
index 57e09f5e3424..75a1aff5b57b 100644
--- 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)
@@ -55,12 +55,14 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
int dma_set_mask(struct device *dev, u64 mask);
-#define dma_sync_single_for_cpu(dev, addr, size, dir) do { } while (0)
-#define dma_sync_single_for_device(dev, addr, size, dir) do { } while (0)
-#define dma_sync_single_range(dev, addr, off, size, dir) do { } while (0)
-#define dma_sync_sg_for_cpu(dev, sg, nents, dir) do { } while (0)
-#define dma_sync_sg_for_device(dev, sg, nents, dir) do { } while (0)
-#define dma_cache_sync(dev, va, size, dir) do { } while (0)
+#define dma_sync_single_for_cpu(dev, addr, size, dir) ((void)0)
+#define dma_sync_single_for_device(dev, addr, size, dir) ((void)0)
+#define dma_sync_single_range(dev, addr, off, size, dir) ((void)0)
+#define dma_sync_sg_for_cpu(dev, sg, nents, dir) ((void)0)
+#define dma_sync_sg_for_device(dev, sg, nents, dir) ((void)0)
+#define dma_cache_sync(dev, va, size, dir) ((void)0)
+#define dma_sync_single_range_for_cpu(dev, addr, offset, size, dir) ((void)0)
+#define dma_sync_single_range_for_device(dev, addr, offset, size, dir) ((void)0)
#define dma_get_cache_alignment() L1_CACHE_BYTES
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