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

[firefly-linux-kernel-4.4.55.git] / include / asm-x86_64 / dma-mapping.h

diff --git a/include/asm-x86_64/dma-mapping.h b/include/asm-x86_64/dma-mapping.h
index be9ec68907237f4690101216d0b5f93c5616ed95..49dbab09ef2b05ac113aebd464631be17a572ea4 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,