Peter Ujfalusi 397c59bce6 dmaengine: img-mdc-dma: Use vchan_terminate_vdesc() instead of desc_free ...

To avoid race with vchan_complete, use the race free way to terminate
running transfer.

Implement the device_synchronize callback to make sure that the terminated
descriptor is freed.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

2017-12-04 22:33:51 +05:30

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