diff options
Diffstat (limited to 'include/asm-sh64/dma-mapping.h')
| -rw-r--r-- | include/asm-sh64/dma-mapping.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/asm-sh64/dma-mapping.h b/include/asm-sh64/dma-mapping.h index de43099..e661857 100644 --- a/include/asm-sh64/dma-mapping.h +++ b/include/asm-sh64/dma-mapping.h @@ -42,7 +42,11 @@ static inline void dma_free_coherent(struct device *dev, size_t size, static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction dir) { - dma_cache_wback_inv((unsigned long)vaddr, size); + unsigned long s = (unsigned long) vaddr & L1_CACHE_ALIGN_MASK; + unsigned long e = (vaddr + size) & L1_CACHE_ALIGN_MASK; + + for (; s <= e; s += L1_CACHE_BYTES) + asm volatile ("ocbp %0, 0" : : "r" (s)); } static inline dma_addr_t dma_map_single(struct device *dev, |