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>

diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index bf18c78..6e97cf6 100644 (file)
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -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);