Messages in this thread Patch in this message | | | From | Bartlomiej Zolnierkiewicz <> | Subject | [PATCH 12/20] dmatest: do DMA unmap for XOR operations | Date | Mon, 05 Nov 2012 11:00:23 +0100 |
| |
Make driver do DMA unmap for XOR operations.
Cc: Vinod Koul <vinod.koul@intel.com> Cc: Havard Skinnemoen <hskinnemoen@gmail.com> Cc: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> --- drivers/dma/dmatest.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index 22655a7..eabb230 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -306,13 +306,13 @@ static int dmatest_func(void *data) /* * src buffers are freed by the DMAEngine code with dma_unmap_single() - * (except DMA_MEMCPY operations) + * (except DMA_MEMCPY and DMA_XOR operations) * dst buffers are freed by ourselves below */ flags = DMA_CTRL_ACK | DMA_PREP_INTERRUPT | DMA_COMPL_SKIP_DEST_UNMAP; - if (thread->type == DMA_MEMCPY) + if (thread->type == DMA_MEMCPY || thread->type == DMA_XOR) flags |= DMA_COMPL_SKIP_SRC_UNMAP; else flags |= DMA_COMPL_SRC_UNMAP_SINGLE; @@ -449,9 +449,11 @@ static int dmatest_func(void *data) } /* Unmap by myself (see DMA_COMPL_SKIP_DEST_UNMAP above) */ - if (thread->type == DMA_MEMCPY) - dma_unmap_single(dev->dev, dma_srcs[0], len, - DMA_TO_DEVICE); + if (thread->type == DMA_MEMCPY || thread->type == DMA_XOR) { + for (i = 0; i < src_cnt; i++) + dma_unmap_single(dev->dev, dma_srcs[i], len, + DMA_TO_DEVICE); + } for (i = 0; i < dst_cnt; i++) dma_unmap_single(dev->dev, dma_dsts[i], test_buf_size, DMA_BIDIRECTIONAL); -- 1.8.0
| |