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authorMax Filippov <jcmvbkbc@gmail.com>2015-11-07 06:59:51 +0300
committerMax Filippov <jcmvbkbc@gmail.com>2015-11-09 01:25:38 +0300
commit4c3dab398d1317546d22b27be1a73b2c83ec7153 (patch)
tree29cb959bef3622113dfe2e5f15bbe7dfdd696ab1 /arch/xtensa
parentc7ca9fe17b84719ef2edbe854e1b0cac04a91e2f (diff)
downloadlinux-linaro-stable-4c3dab398d1317546d22b27be1a73b2c83ec7153.tar.gz
xtensa: implement dma_to_phys and phys_to_dma
This fixes the following build error seen in -next: drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c:143:2: error: implicit declaration of function 'dma_to_phys' Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'arch/xtensa')
-rw-r--r--arch/xtensa/include/asm/dma-mapping.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/xtensa/include/asm/dma-mapping.h b/arch/xtensa/include/asm/dma-mapping.h
index 4427f38b634e..66c9ba261e30 100644
--- a/arch/xtensa/include/asm/dma-mapping.h
+++ b/arch/xtensa/include/asm/dma-mapping.h
@@ -35,4 +35,14 @@ static inline struct dma_map_ops *get_dma_ops(struct device *dev)
void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
enum dma_data_direction direction);
+static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
+{
+ return (dma_addr_t)paddr;
+}
+
+static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr)
+{
+ return (phys_addr_t)daddr;
+}
+
#endif /* _XTENSA_DMA_MAPPING_H */