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dma: ste_dma40: Maintain spinlock order while handling pause

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The runtime PM resume callback needs to be executed while holding the
spinlock, make sure to maintain this for the pause operation as well.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Ulf Hansson 2014-04-23 21:52:01 +02:00 committed by Vinod Koul
parent c31b6ae1b4
commit 80245216cc
1 changed files with 1 additions and 1 deletions
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2
drivers/dma/ste_dma40.c
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@ -1495,8 +1495,8 @@ static int d40_pause(struct d40_chan *d40c)
if (!d40c->busy)
return 0;
pm_runtime_get_sync(d40c->base->dev);
spin_lock_irqsave(&d40c->lock, flags);
pm_runtime_get_sync(d40c->base->dev);
res = d40_channel_execute_command(d40c, D40_DMA_SUSPEND_REQ);