Commit eab21585 authored May 11, 2012 by Vinod Koul

dmaengine: pl330: dont complete descriptor for cyclic dma



the cookie updates completed the cyclic dma descriptor wrongly. This caused the
BUG_ON to be hit as submit is called for completed descriptor

Fix this by not marking the cyclic descriptor as complete

Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Tested-by: Thomas Abraham <thomas.abraham@linaro.org>

parent 88c08a3f

drivers/dma/pl330.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -2322,6 +2322,7 @@ static void pl330_tasklet(unsigned long data)
		/* Pick up ripe tomatoes */
		list_for_each_entry_safe(desc, _dt, &pch->work_list, node)
		if (desc->status == DONE) {
		if (pch->cyclic)
		dma_cookie_complete(&desc->txd);
		list_move_tail(&desc->node, &list);
		}