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Diffstat (limited to 'include/asm-sh64/dma-mapping.h')
-rw-r--r--include/asm-sh64/dma-mapping.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/asm-sh64/dma-mapping.h b/include/asm-sh64/dma-mapping.h
index de430996020..e661857f98d 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,