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dmaengine: fsldma: move spin_lock_bh to spin_lock in tasklet 

as you are already in a tasklet, it is unnecessary to call spin_lock_bh.

Signed-off-by: Barry Song <21cnbao@gmail.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Barry Song 2018-08-17 06:00:26 -07:00 committed by Vinod Koul
parent 5b394b2ddf
commit 1297b647c5
1 changed files with 2 additions and 2 deletions
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4
drivers/dma/fsldma.c
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@ -987,7 +987,7 @@ static void dma_do_tasklet(unsigned long data)
chan_dbg(chan, "tasklet entry\n");
spin_lock_bh(&chan->desc_lock);
spin_lock(&chan->desc_lock);
/* the hardware is now idle and ready for more */
chan->idle = true;
@ -995,7 +995,7 @@ static void dma_do_tasklet(unsigned long data)
/* Run all cleanup for descriptors which have been completed */
fsldma_cleanup_descriptors(chan);
spin_unlock_bh(&chan->desc_lock);
spin_unlock(&chan->desc_lock);
chan_dbg(chan, "tasklet exit\n");
}