diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2014-09-07 15:54:39 +0200 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2014-09-11 07:24:25 +0200 |
| commit | f498e064e0b97df910163533e78e2704ba0a9570 (patch) | |
| tree | 811c64f4245be8263f71bf3aeebf358c0a6b04eb /drivers/dma/dma-jz4740.c | |
| parent | dt/bindings: rcar-audmapp: tidyup dmas explanation (diff) | |
| download | linux-f498e064e0b97df910163533e78e2704ba0a9570.tar.xz linux-f498e064e0b97df910163533e78e2704ba0a9570.zip | |
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>
Diffstat (limited to '')
| -rw-r--r-- | drivers/dma/dma-jz4740.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/dma/dma-jz4740.c b/drivers/dma/dma-jz4740.c index 6a9d89c93b1f..ae2ab14e64b3 100644 --- a/drivers/dma/dma-jz4740.c +++ b/drivers/dma/dma-jz4740.c @@ -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; } } } |