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Diffstat (limited to 'include/asm-sh64/dma-mapping.h')
-rw-r--r--include/asm-sh64/dma-mapping.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/asm-sh64/dma-mapping.h b/include/asm-sh64/dma-mapping.h
index 1438b76..18f8dd6 100644
--- a/include/asm-sh64/dma-mapping.h
+++ b/include/asm-sh64/dma-mapping.h
@@ -42,8 +42,9 @@ 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)
{
- unsigned long s = (unsigned long) vaddr & L1_CACHE_ALIGN_MASK;
- unsigned long e = (vaddr + size) & L1_CACHE_ALIGN_MASK;
+ unsigned long start = (unsigned long) vaddr;
+ unsigned long s = start & L1_CACHE_ALIGN_MASK;
+ unsigned long e = (start + size) & L1_CACHE_ALIGN_MASK;
for (; s <= e; s += L1_CACHE_BYTES)
asm volatile ("ocbp %0, 0" : : "r" (s));