[PATCH] x86-64: define dma noncoherent API functions

x86-64 is missing these:

Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/include/asm-x86_64/dma-mapping.h b/include/asm-x86_64/dma-mapping.h
index be9ec68..49dbab0 100644 (file)
--- a/include/asm-x86_64/dma-mapping.h
+++ b/include/asm-x86_64/dma-mapping.h
@@ -63,6 +63,9 @@ static inline int dma_mapping_error(dma_addr_t dma_addr)
        return (dma_addr == bad_dma_address);
 }
 
+#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
+#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
+
 extern void *dma_alloc_coherent(struct device *dev, size_t size,
                                dma_addr_t *dma_handle, gfp_t gfp);
 extern void dma_free_coherent(struct device *dev, size_t size, void *vaddr,