dmatest: make driver unmap also source buffers by itself

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 <dan.j.williams@intel.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>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index 92f796c..f4a2a25 100644 (file)
--- 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;