From 4c3dab398d1317546d22b27be1a73b2c83ec7153 Mon Sep 17 00:00:00 2001 From: Max Filippov Date: Sat, 7 Nov 2015 06:59:51 +0300 Subject: [PATCH] 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 --- arch/xtensa/include/asm/dma-mapping.h | 10 ++++++++++ 1 file changed, 10 insertions(+) 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 */ -- 2.20.1