Commit b2b617de authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Vinod Koul

dmaengine: edma: Correct the handling of src/dst_maxburst == 0

When clients asks for maxburst = 0 it is basically the same case as if they
were asking for maxburst = 1 since in both case ASYNC need to be used and
the eDMA is expected to write/read one word per DMA request.
Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: default avatarJoel Fernandes <joelf@ti.com>
Reviewed-and-Tested-by: default avatarJoel Fernandes <joelf@ti.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 7cf2af90
...@@ -287,6 +287,10 @@ static int edma_config_pset(struct dma_chan *chan, struct edmacc_param *pset, ...@@ -287,6 +287,10 @@ static int edma_config_pset(struct dma_chan *chan, struct edmacc_param *pset,
int absync; int absync;
acnt = dev_width; acnt = dev_width;
/* src/dst_maxburst == 0 is the same case as src/dst_maxburst == 1 */
if (!burst)
burst = 1;
/* /*
* If the maxburst is equal to the fifo width, use * If the maxburst is equal to the fifo width, use
* A-synced transfers. This allows for large contiguous * A-synced transfers. This allows for large contiguous
......
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