Commit 4aa9fe0a authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Vinod Koul
Browse files

mmp_pdma: remove useless use of lock 



Accordingly to dma_cookie_status() description locking is not required.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 9b0b0bdc

drivers/dma/mmp_pdma.c

+1 −9
Original line number Diff line number Diff line
@@ -632,15 +632,7 @@ static int mmp_pdma_control(struct dma_chan *dchan, enum dma_ctrl_cmd cmd, 
static enum dma_status mmp_pdma_tx_status(struct dma_chan *dchan,

			dma_cookie_t cookie, struct dma_tx_state *txstate)

{

	struct mmp_pdma_chan *chan = to_mmp_pdma_chan(dchan);

	enum dma_status ret;

	unsigned long flags;



	spin_lock_irqsave(&chan->desc_lock, flags);

	ret = dma_cookie_status(dchan, cookie, txstate);

	spin_unlock_irqrestore(&chan->desc_lock, flags);



	return ret;

	return dma_cookie_status(dchan, cookie, txstate);

}



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