Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc

Pull sparc fixlet from David Miller:
 "Aparc fix to add dma_cache_sync(), even if a nop it should be provided
  if dma_{alloc,free}_noncoherent() is provided too"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc: Add NOP dma_cache_sync() implementation.
This commit is contained in:
Linus Torvalds 2014-11-27 18:19:25 -08:00
commit ae979430e3

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_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)
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 *dma_ops;
extern struct dma_map_ops *leon_dma_ops; extern struct dma_map_ops *leon_dma_ops;
extern struct dma_map_ops pci32_dma_ops; extern struct dma_map_ops pci32_dma_ops;