Blackfin arch: fix bug set dma_address properly in dma_map_sg
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
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 bda57ec..ea48d5b 100644
--- a/arch/blackfin/kernel/dma-mapping.c
+++ b/arch/blackfin/kernel/dma-mapping.c
@@ -159,10 +159,13 @@
BUG_ON(direction == DMA_NONE);
- for (i = 0; i < nents; i++)
- invalidate_dcache_range(sg_dma_address(&sg[i]),
- sg_dma_address(&sg[i]) +
- sg_dma_len(&sg[i]));
+ for (i = 0; i < nents; i++, sg++) {
+ sg->dma_address = page_address(sg->page) + sg->offset;
+
+ invalidate_dcache_range(sg_dma_address(sg),
+ sg_dma_address(sg) +
+ sg_dma_len(sg));
+ }
return nents;
}