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| author | Sonic Zhang <sonic.zhang@analog.com> | 2007-07-12 12:18:08 +0800 |
|---|---|---|
| committer | Bryan Wu <bryan.wu@analog.com> | 2007-07-12 12:18:08 +0800 |
| commit | b07af760c9bd8e87c3aa9275298566379ec4e9c1 (patch) | |
| tree | 98e80da3a2d9640ffce7b6356a1759887da3bdeb /arch/blackfin | |
| parent | 157cc5aad94fb7025c41a60788c1bfb5299010aa (diff) | |
| download | lwn-b07af760c9bd8e87c3aa9275298566379ec4e9c1.tar.gz lwn-b07af760c9bd8e87c3aa9275298566379ec4e9c1.zip | |
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>
Diffstat (limited to 'arch/blackfin')
| -rw-r--r-- | arch/blackfin/kernel/dma-mapping.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/blackfin/kernel/dma-mapping.c b/arch/blackfin/kernel/dma-mapping.c index bda57ec88151..ea48d5b13f11 100644 --- a/arch/blackfin/kernel/dma-mapping.c +++ b/arch/blackfin/kernel/dma-mapping.c @@ -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; } |