Commit 0d1d9092b536859a333ee96cff4df0ee24b55190
1 parent
b914c5b213
Exists in
ti-lsk-linux-4.1.y
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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>
Showing 1 changed file with 8 additions and 0 deletions Side-by-side Diff
arch/sparc/include/asm/dma-mapping.h
| ... | ... | @@ -12,6 +12,14 @@ |
| 12 | 12 | #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) |
| 13 | 13 | #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) |
| 14 | 14 | |
| 15 | +static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, | |
| 16 | + enum dma_data_direction dir) | |
| 17 | +{ | |
| 18 | + /* Since dma_{alloc,free}_noncoherent() allocated coherent memory, this | |
| 19 | + * routine can be a nop. | |
| 20 | + */ | |
| 21 | +} | |
| 22 | + | |
| 15 | 23 | extern struct dma_map_ops *dma_ops; |
| 16 | 24 | extern struct dma_map_ops *leon_dma_ops; |
| 17 | 25 | extern struct dma_map_ops pci32_dma_ops; |