diff options
Diffstat (limited to 'drivers/dma/dmaengine.c')
-rw-r--r-- | drivers/dma/dmaengine.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index 92438e9dacc3..5a87384ea4ff 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c | |||
@@ -804,11 +804,14 @@ dma_async_memcpy_buf_to_buf(struct dma_chan *chan, void *dest, | |||
804 | dma_addr_t dma_dest, dma_src; | 804 | dma_addr_t dma_dest, dma_src; |
805 | dma_cookie_t cookie; | 805 | dma_cookie_t cookie; |
806 | int cpu; | 806 | int cpu; |
807 | unsigned long flags; | ||
807 | 808 | ||
808 | dma_src = dma_map_single(dev->dev, src, len, DMA_TO_DEVICE); | 809 | dma_src = dma_map_single(dev->dev, src, len, DMA_TO_DEVICE); |
809 | dma_dest = dma_map_single(dev->dev, dest, len, DMA_FROM_DEVICE); | 810 | dma_dest = dma_map_single(dev->dev, dest, len, DMA_FROM_DEVICE); |
810 | tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, | 811 | flags = DMA_CTRL_ACK | |
811 | DMA_CTRL_ACK); | 812 | DMA_COMPL_SRC_UNMAP_SINGLE | |
813 | DMA_COMPL_DEST_UNMAP_SINGLE; | ||
814 | tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, flags); | ||
812 | 815 | ||
813 | if (!tx) { | 816 | if (!tx) { |
814 | dma_unmap_single(dev->dev, dma_src, len, DMA_TO_DEVICE); | 817 | dma_unmap_single(dev->dev, dma_src, len, DMA_TO_DEVICE); |
@@ -850,11 +853,12 @@ dma_async_memcpy_buf_to_pg(struct dma_chan *chan, struct page *page, | |||
850 | dma_addr_t dma_dest, dma_src; | 853 | dma_addr_t dma_dest, dma_src; |
851 | dma_cookie_t cookie; | 854 | dma_cookie_t cookie; |
852 | int cpu; | 855 | int cpu; |
856 | unsigned long flags; | ||
853 | 857 | ||
854 | dma_src = dma_map_single(dev->dev, kdata, len, DMA_TO_DEVICE); | 858 | dma_src = dma_map_single(dev->dev, kdata, len, DMA_TO_DEVICE); |
855 | dma_dest = dma_map_page(dev->dev, page, offset, len, DMA_FROM_DEVICE); | 859 | dma_dest = dma_map_page(dev->dev, page, offset, len, DMA_FROM_DEVICE); |
856 | tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, | 860 | flags = DMA_CTRL_ACK | DMA_COMPL_SRC_UNMAP_SINGLE; |
857 | DMA_CTRL_ACK); | 861 | tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, flags); |
858 | 862 | ||
859 | if (!tx) { | 863 | if (!tx) { |
860 | dma_unmap_single(dev->dev, dma_src, len, DMA_TO_DEVICE); | 864 | dma_unmap_single(dev->dev, dma_src, len, DMA_TO_DEVICE); |
@@ -898,12 +902,13 @@ dma_async_memcpy_pg_to_pg(struct dma_chan *chan, struct page *dest_pg, | |||
898 | dma_addr_t dma_dest, dma_src; | 902 | dma_addr_t dma_dest, dma_src; |
899 | dma_cookie_t cookie; | 903 | dma_cookie_t cookie; |
900 | int cpu; | 904 | int cpu; |
905 | unsigned long flags; | ||
901 | 906 | ||
902 | dma_src = dma_map_page(dev->dev, src_pg, src_off, len, DMA_TO_DEVICE); | 907 | dma_src = dma_map_page(dev->dev, src_pg, src_off, len, DMA_TO_DEVICE); |
903 | dma_dest = dma_map_page(dev->dev, dest_pg, dest_off, len, | 908 | dma_dest = dma_map_page(dev->dev, dest_pg, dest_off, len, |
904 | DMA_FROM_DEVICE); | 909 | DMA_FROM_DEVICE); |
905 | tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, | 910 | flags = DMA_CTRL_ACK; |
906 | DMA_CTRL_ACK); | 911 | tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, flags); |
907 | 912 | ||
908 | if (!tx) { | 913 | if (!tx) { |
909 | dma_unmap_page(dev->dev, dma_src, len, DMA_TO_DEVICE); | 914 | dma_unmap_page(dev->dev, dma_src, len, DMA_TO_DEVICE); |