mirror of https://gitee.com/openkylin/linux.git
[SPARC64]: Add missing interfaces to dma-mapping.h
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
987c74fcb7
commit
36321426e3
|
@ -162,4 +162,47 @@ static inline void dma_free_coherent(struct device *dev, size_t size,
|
||||||
|
|
||||||
#endif /* PCI */
|
#endif /* PCI */
|
||||||
|
|
||||||
|
|
||||||
|
/* Now for the API extensions over the pci_ one */
|
||||||
|
|
||||||
|
#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_is_consistent(d) (1)
|
||||||
|
|
||||||
|
static inline int
|
||||||
|
dma_get_cache_alignment(void)
|
||||||
|
{
|
||||||
|
/* no easy way to get cache size on all processors, so return
|
||||||
|
* the maximum possible, to be safe */
|
||||||
|
return (1 << INTERNODE_CACHE_SHIFT);
|
||||||
|
}
|
||||||
|
|
||||||
|
static inline void
|
||||||
|
dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle,
|
||||||
|
unsigned long offset, size_t size,
|
||||||
|
enum dma_data_direction direction)
|
||||||
|
{
|
||||||
|
/* just sync everything, that's all the pci API can do */
|
||||||
|
dma_sync_single_for_cpu(dev, dma_handle, offset+size, direction);
|
||||||
|
}
|
||||||
|
|
||||||
|
static inline void
|
||||||
|
dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle,
|
||||||
|
unsigned long offset, size_t size,
|
||||||
|
enum dma_data_direction direction)
|
||||||
|
{
|
||||||
|
/* just sync everything, that's all the pci API can do */
|
||||||
|
dma_sync_single_for_device(dev, dma_handle, offset+size, direction);
|
||||||
|
}
|
||||||
|
|
||||||
|
static inline void
|
||||||
|
dma_cache_sync(void *vaddr, size_t size,
|
||||||
|
enum dma_data_direction direction)
|
||||||
|
{
|
||||||
|
/* could define this in terms of the dma_cache ... operations,
|
||||||
|
* but if you get this on a platform, you should convert the platform
|
||||||
|
* to using the generic device DMA API */
|
||||||
|
BUG();
|
||||||
|
}
|
||||||
|
|
||||||
#endif /* _ASM_SPARC64_DMA_MAPPING_H */
|
#endif /* _ASM_SPARC64_DMA_MAPPING_H */
|
||||||
|
|
Loading…
Reference in New Issue