Messages in this thread Patch in this message | | | From | Nicolas Ferre <> | Subject | [PATCH] dmaengine: at_hdmac: use dma_address to program DMA hardware | Date | Wed, 15 Dec 2010 18:50:16 +0100 |
| |
In atc_prep_slave_sg() function we use dma_address field of scatterlist with sg_dma_address() macro instead of sg_phys(). DMA address is already computed by dma_map_sg() or another mapping function in calling driver.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> --- drivers/dma/at_hdmac.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index ea0ee81..ee7dacd 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -670,7 +670,7 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, if (!desc) goto err_desc_get; - mem = sg_phys(sg); + mem = sg_dma_address(sg); len = sg_dma_len(sg); mem_width = 2; if (unlikely(mem & 3 || len & 3)) @@ -712,7 +712,7 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, if (!desc) goto err_desc_get; - mem = sg_phys(sg); + mem = sg_dma_address(sg); len = sg_dma_len(sg); mem_width = 2; if (unlikely(mem & 3 || len & 3)) -- 1.7.3
| |