Re: [PATCH] dmaengine/amba-pl08x : reset phychan_hold on terminateall

From: Viresh Kumar
Date: Tue Apr 24 2012 - 00:08:01 EST


On 4/23/2012 6:12 PM, Vinod Koul wrote:
> On Thu, 2012-04-19 at 12:20 +0200, ciminaghi@xxxxxxxxx wrote:
>> > From: Davide Ciminaghi <ciminaghi@xxxxxxxxx>
>> >
>> > When a client calls pl08x_control with DMA_TERMINATE_ALL, it is correct
>> > to terminate and release the phy channel currently in use (if one is in use),
>> > but the phychan_hold counter must also be reset (otherwise it could get
>> > trapped in an unbalanced state).
>> >
>> > Signed-off-by: Davide Ciminaghi <ciminaghi@xxxxxxxxx>
>> > ---
>> > drivers/dma/amba-pl08x.c | 1 +
>> > 1 files changed, 1 insertions(+), 0 deletions(-)
>> >
>> > diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
>> > index c301a8e..3d704ab 100644
>> > --- a/drivers/dma/amba-pl08x.c
>> > +++ b/drivers/dma/amba-pl08x.c
>> > @@ -1429,6 +1429,7 @@ static int pl08x_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
>> > * signal
>> > */
>> > release_phy_channel(plchan);
>> > + plchan->phychan_hold = 0;
>> > }
>> > /* Dequeue jobs and free LLIs */
>> > if (plchan->at) {
> Linus, Viresh... Any tested-by for this before I apply to fixes.

Looks good.

Reviewed-by: Viresh Kumar <viresh.kumar@xxxxxx>

--
viresh
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