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Commit d1cab34c authored by Bartlomiej Zolnierkiewicz's avatar Bartlomiej Zolnierkiewicz Committed by Dan Williams
Browse files

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: default avatarBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Acked-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 31d141e3

drivers/dma/dmatest.c

+5 −5
Original line number Diff line number Diff line
@@ -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;