Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit b07af760 authored by Sonic Zhang's avatar Sonic Zhang Committed by Bryan Wu
Browse files

Blackfin arch: fix bug set dma_address properly in dma_map_sg 



Signed-off-by: default avatarSonic Zhang <sonic.zhang@analog.com>
Signed-off-by: default avatarBryan Wu <bryan.wu@analog.com>
parent 157cc5aa

arch/blackfin/kernel/dma-mapping.c

+7 −4
Original line number Diff line number Diff line
@@ -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;

}