Make the driver DMA unmap also source buffers by itself (currently it DMA unmaps only destination buffers) as a preparation for introducing generic 'ummap' data.
Cc: Dan Williams <[email protected]> Cc: Vinod Koul <[email protected]> Cc: Tomasz Figa <[email protected]> Cc: Dave Jiang <[email protected]> Cc: Andy Shevchenko <[email protected]> Signed-off-by: Bartlomiej Zolnierkiewicz <[email protected]> Signed-off-by: Kyungmin Park <[email protected]> --- drivers/dma/dmatest.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index 92f796c..f4a2a25 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -597,11 +597,10 @@ static int dmatest_func(void *data) set_user_nice(current, 10); /* - * src buffers are freed by the DMAEngine code with dma_unmap_single() - * dst buffers are freed by ourselves below + * src and dst buffers are freed by ourselves below */ - flags = DMA_CTRL_ACK | DMA_PREP_INTERRUPT - | DMA_COMPL_SKIP_DEST_UNMAP | DMA_COMPL_SRC_UNMAP_SINGLE; + flags = DMA_CTRL_ACK | DMA_PREP_INTERRUPT | + DMA_COMPL_SKIP_SRC_UNMAP | DMA_COMPL_SKIP_DEST_UNMAP; while (!kthread_should_stop() && !(params->iterations && total_tests >= params->iterations)) { @@ -750,7 +749,8 @@ static int dmatest_func(void *data) continue; } - /* Unmap by myself (see DMA_COMPL_SKIP_DEST_UNMAP above) */ + /* Unmap by myself */ + unmap_src(dev->dev, dma_srcs, len, src_cnt); unmap_dst(dev->dev, dma_dsts, params->buf_size, dst_cnt); error_count = 0; -- 1.8.2.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
