Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 4c3dab39 authored by Max Filippov's avatar Max Filippov
Browse files

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: default avatarMax Filippov <jcmvbkbc@gmail.com>
parent c7ca9fe1

arch/xtensa/include/asm/dma-mapping.h

+10 −0
Original line number Diff line number Diff line
@@ -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 */