Make driver do DMA unmap for XOR operations.
Cc: Vinod Koul <vinod.k...@intel.com>
Cc: Havard Skinnemoen <hskinnem...@gmail.com>
Cc: Tomasz Figa <t.f...@samsung.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnier...@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
---
drivers/dma/dmatest.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index 22655a7..eabb230 100644
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -306,13 +306,13 @@ static int dmatest_func(void *data)
/*
* src buffers are freed by the DMAEngine code with dma_unmap_single()
- * (except DMA_MEMCPY operations)
+ * (except DMA_MEMCPY and DMA_XOR operations)
* dst buffers are freed by ourselves below
*/
flags = DMA_CTRL_ACK | DMA_PREP_INTERRUPT
| DMA_COMPL_SKIP_DEST_UNMAP;
- if (thread->type == DMA_MEMCPY)
+ if (thread->type == DMA_MEMCPY || thread->type == DMA_XOR)
flags |= DMA_COMPL_SKIP_SRC_UNMAP;
else
flags |= DMA_COMPL_SRC_UNMAP_SINGLE;
@@ -449,9 +449,11 @@ static int dmatest_func(void *data)
}
/* Unmap by myself (see DMA_COMPL_SKIP_DEST_UNMAP above) */
- if (thread->type == DMA_MEMCPY)
- dma_unmap_single(dev->dev, dma_srcs[0], len,
- DMA_TO_DEVICE);
+ if (thread->type == DMA_MEMCPY || thread->type == DMA_XOR) {
+ for (i = 0; i < src_cnt; i++)
+ dma_unmap_single(dev->dev, dma_srcs[i], len,
+ DMA_TO_DEVICE);
+ }
for (i = 0; i < dst_cnt; i++)
dma_unmap_single(dev->dev, dma_dsts[i], test_buf_size,
DMA_BIDIRECTIONAL);
--
1.8.0
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