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Commit 0d1d9092 authored by David S. Miller's avatar David S. Miller
Browse files

sparc: Add NOP dma_cache_sync() implementation. 



This can be a NOP because we forward dma_{alloc,free}_noncoherent to
dma_{alloc,free}_coherent.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b914c5b2

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

+8 −0
Original line number Diff line number Diff line
@@ -12,6 +12,14 @@ int dma_supported(struct device *dev, u64 mask); 
#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)



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

				  enum dma_data_direction dir)

{

	/* Since dma_{alloc,free}_noncoherent() allocated coherent memory, this

	 * routine can be a nop.

	 */

}



extern struct dma_map_ops *dma_ops;

extern struct dma_map_ops *leon_dma_ops;

extern struct dma_map_ops pci32_dma_ops;