diff options
| author | Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> | 2013-10-18 21:35:21 +0400 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2013-11-13 23:49:38 +0400 |
| commit | d1cab34c039584ebe76b04d2f2109e0d87d344e1 (patch) | |
| tree | 0850c38b4834ccfde075a72c84eb803e59091e4f /drivers | |
| parent | 31d141e3a666269a3b6fcccddb0351caf7454240 (diff) | |
| download | linux-d1cab34c039584ebe76b04d2f2109e0d87d344e1.tar.xz | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/dma/dmatest.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index 92f796cdc6ab..f4a2a25fae31 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; |