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 <d...@fb.com>
Cc: Vinod Koul <vinod.k...@intel.com>
Cc: Tomasz Figa <t.f...@samsung.com>
Cc: Dave Jiang <dave.ji...@intel.com>
Cc: Andy Shevchenko <andriy.shevche...@linux.intel.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnier...@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.p...@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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