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| author | David S. Miller <davem@davemloft.net> | 2014-11-26 22:36:41 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-11-26 22:36:41 +0100 |
| commit | 0d1d9092b536859a333ee96cff4df0ee24b55190 (patch) | |
| tree | ac5d2aed00caece786bba78e34dd13692fc32ad6 /arch/sparc/include | |
| parent | Merge branch 'for-3.18' of git://linux-nfs.org/~bfields/linux (diff) | |
| download | linux-0d1d9092b536859a333ee96cff4df0ee24b55190.tar.xz linux-0d1d9092b536859a333ee96cff4df0ee24b55190.zip | |
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>
Diffstat (limited to 'arch/sparc/include')
| -rw-r--r-- | arch/sparc/include/asm/dma-mapping.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h index 5b1b52a04ad6..7e064c68c5ec 100644 --- a/arch/sparc/include/asm/dma-mapping.h +++ b/arch/sparc/include/asm/dma-mapping.h @@ -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; |