Messages in this thread Patch in this message | | | From | Bartlomiej Zolnierkiewicz <> | Subject | [PATCH v2 01/13] dmatest: make driver unmap also source buffers by itself | Date | Fri, 18 Oct 2013 19:35:21 +0200 |
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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 <djbw@fb.com> Cc: Vinod Koul <vinod.koul@intel.com> Cc: Tomasz Figa <t.figa@samsung.com> Cc: Dave Jiang <dave.jiang@intel.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> --- 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
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