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authorLaxman Dewangan <ldewangan@nvidia.com>2012-06-22 20:41:10 +0530
committerVinod Koul <vinod.koul@linux.intel.com>2012-06-27 19:01:52 +0530
commit597c854974db20eebe87e91df0d12daaefabf525 (patch)
treefc0c16b153cbfbfae9ef98f3ef485c1ba13f76f9 /drivers/dma
parent49d57b5e588ce511bd826f5759aa2aebf322626b (diff)
downloadblackbird-op-linux-597c854974db20eebe87e91df0d12daaefabf525.tar.gz
blackbird-op-linux-597c854974db20eebe87e91df0d12daaefabf525.zip
dma: tegra: use sg_dma_address() for getting dma buffer address
Use the sg_dma_address() to get the segment buffer address for DMA transfer in place of sg_phys() which returns the physical address of an sg entry. The sg_dma_address() returns the correct buffer memory address for DMA transfer. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/tegra20-apb-dma.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
index 134ea7cfc795..6d7d5d383cb1 100644
--- a/drivers/dma/tegra20-apb-dma.c
+++ b/drivers/dma/tegra20-apb-dma.c
@@ -929,7 +929,7 @@ static struct dma_async_tx_descriptor *tegra_dma_prep_slave_sg(
for_each_sg(sgl, sg, sg_len, i) {
u32 len, mem;
- mem = sg_phys(sg);
+ mem = sg_dma_address(sg);
len = sg_dma_len(sg);
if ((len & 3) || (mem & 3) ||
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