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Commit 0f70e8ce authored by Nicolas Ferre's avatar Nicolas Ferre Committed by Dan Williams
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dmaengine: at_hdmac: use dma_address to program DMA hardware 



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: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 2cdf2455

drivers/dma/at_hdmac.c

+2 −2
Original line number Diff line number Diff line
@@ -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))