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Commit e978948d authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
Browse files

s390/dma: provide dma_cache_sync() function 



Provide empty dma_cache_sync() function.

Acked-by: default avatarSebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent e06ef372

arch/s390/include/asm/dma-mapping.h

+5 −2
Original line number Original line Diff line number Diff line
@@ -20,8 +20,11 @@ static inline struct dma_map_ops *get_dma_ops(struct device *dev) 




extern int dma_set_mask(struct device *dev, u64 mask);

extern int dma_set_mask(struct device *dev, u64 mask);

extern int dma_is_consistent(struct device *dev, dma_addr_t dma_handle);

extern int dma_is_consistent(struct device *dev, dma_addr_t dma_handle);

extern void dma_cache_sync(struct device *dev, void *vaddr, size_t size,



			   enum dma_data_direction direction);

static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,

				  enum dma_data_direction direction)

{

}





#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)

#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)

#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)