diff options
Diffstat (limited to 'drivers/dma/mv_xor.c')
| -rw-r--r-- | drivers/dma/mv_xor.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c index 8239cfdbc2e..a4e4494663b 100644 --- a/drivers/dma/mv_xor.c +++ b/drivers/dma/mv_xor.c @@ -308,13 +308,23 @@ mv_xor_run_tx_complete_actions(struct mv_xor_desc_slot *desc, struct device *dev = &mv_chan->device->pdev->dev; u32 len = unmap->unmap_len; - u32 src_cnt = unmap->unmap_src_cnt; - dma_addr_t addr = mv_desc_get_dest_addr(unmap); + enum dma_ctrl_flags flags = desc->async_tx.flags; + u32 src_cnt; + dma_addr_t addr; - dma_unmap_page(dev, addr, len, DMA_FROM_DEVICE); - while (src_cnt--) { - addr = mv_desc_get_src_addr(unmap, src_cnt); - dma_unmap_page(dev, addr, len, DMA_TO_DEVICE); + if (!(flags & DMA_COMPL_SKIP_DEST_UNMAP)) { + addr = mv_desc_get_dest_addr(unmap); + dma_unmap_page(dev, addr, len, DMA_FROM_DEVICE); + } + + if (!(flags & DMA_COMPL_SKIP_SRC_UNMAP)) { + src_cnt = unmap->unmap_src_cnt; + while (src_cnt--) { + addr = mv_desc_get_src_addr(unmap, + src_cnt); + dma_unmap_page(dev, addr, len, + DMA_TO_DEVICE); + } } desc->group_head = NULL; } |