Commit f498e064 authored Sep 07, 2014 by Lars-Peter Clausen Committed by Vinod Koul Sep 11, 2014

dmaengine: jz4740: Fix non-cyclic descriptor completion



We need to make sure to deqeueue the descriptor from the active list before
we call vchan_cookie_complete(). Also we need obviously only set chan->desc
to NULL after we stopped using it.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

parent 87c9c451

drivers/dma/dma-jz4740.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -362,8 +362,9 @@ static void jz4740_dma_chan_irq(struct jz4740_dmaengine_chan *chan)
		vchan_cyclic_callback(&chan->desc->vdesc);
		} else {
		if (chan->next_sg == chan->desc->num_sgs) {
		chan->desc = NULL;
		list_del(&chan->desc->vdesc.node);
		vchan_cookie_complete(&chan->desc->vdesc);
		chan->desc = NULL;
		}
		}
		}