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dmaengine: pl330: dont complete descriptor for cyclic dma

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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>
This commit is contained in:
Vinod Koul 2012-05-11 11:24:41 +05:30
parent 88c08a3fba
commit eab2158558
1 changed files with 2 additions and 1 deletions
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3
drivers/dma/pl330.c
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@ -2322,7 +2322,8 @@ 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) {
dma_cookie_complete(&desc->txd);
if (pch->cyclic)
dma_cookie_complete(&desc->txd);
list_move_tail(&desc->node, &list);
}