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Blackfin arch: fix bug set dma_address properly in dma_map_sg

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Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
This commit is contained in:
Sonic Zhang 2007-07-12 12:18:08 +08:00 committed by Bryan Wu
parent 157cc5aad9
commit b07af760c9
1 changed files with 7 additions and 4 deletions
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arch/blackfin/kernel/dma-mapping.c
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@ -159,10 +159,13 @@ dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
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;
}