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 <[email protected]> --- drivers/dma/tegra20-apb-dma.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c index 2e4c187..a46a21c 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) || -- 1.7.1.1 -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
