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: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2014-11-26 13:36:41 -08:00
parent b914c5b213
commit 0d1d9092b5

View File

@ -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;