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path: root/drivers/dma/dmaengine.c
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Diffstat (limited to 'drivers/dma/dmaengine.c')
-rw-r--r--drivers/dma/dmaengine.c17
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);