Blackfin arch: fix a compiling warning about dma-mapping
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
diff --git a/arch/blackfin/kernel/dma-mapping.c b/arch/blackfin/kernel/dma-mapping.c
index ea48d5b..94d7b11 100644
--- a/arch/blackfin/kernel/dma-mapping.c
+++ b/arch/blackfin/kernel/dma-mapping.c
@@ -160,7 +160,8 @@
BUG_ON(direction == DMA_NONE);
for (i = 0; i < nents; i++, sg++) {
- sg->dma_address = page_address(sg->page) + sg->offset;
+ sg->dma_address = (dma_addr_t)(page_address(sg->page) +
+ sg->offset);
invalidate_dcache_range(sg_dma_address(sg),
sg_dma_address(sg) +