From 9b0b0bdc6a3ba70b73ea2fdd6c09ee46b34d3f94 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Mon, 27 May 2013 15:14:35 +0300 Subject: [PATCH] fsldma: remove useless use of lock Accordingly to dma_cookie_status() description locking is not required. Signed-off-by: Andy Shevchenko Cc: Li Yang Cc: Zhang Wei Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: Vinod Koul --- drivers/dma/fsldma.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index 49e8fbdb8983..b3f3e90054f2 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c @@ -979,15 +979,7 @@ static enum dma_status fsl_tx_status(struct dma_chan *dchan, dma_cookie_t cookie, struct dma_tx_state *txstate) { - struct fsldma_chan *chan = to_fsl_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); } /*----------------------------------------------------------------------------*/