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dma: ste_dma40: Maintain spinlock order while handling pause 

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);