From 108fae842a2ecf6981429eb84c21eea7e888cba8 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Mon, 27 May 2013 15:14:37 +0300 Subject: mpc512x_dma: remove useless use of lock Accordingly to dma_cookie_status() description locking is not required. Signed-off-by: Andy Shevchenko Signed-off-by: Vinod Koul --- drivers/dma/mpc512x_dma.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) diff --git a/drivers/dma/mpc512x_dma.c b/drivers/dma/mpc512x_dma.c index 2d956732aa3d..2fe435377333 100644 --- a/drivers/dma/mpc512x_dma.c +++ b/drivers/dma/mpc512x_dma.c @@ -556,15 +556,7 @@ static enum dma_status mpc_dma_tx_status(struct dma_chan *chan, dma_cookie_t cookie, struct dma_tx_state *txstate) { - struct mpc_dma_chan *mchan = dma_chan_to_mpc_dma_chan(chan); - enum dma_status ret; - unsigned long flags; - - spin_lock_irqsave(&mchan->lock, flags); - ret = dma_cookie_status(chan, cookie, txstate); - spin_unlock_irqrestore(&mchan->lock, flags); - - return ret; + return dma_cookie_status(chan, cookie, txstate); } /* Prepare descriptor for memory to memory copy */ -- cgit v1.2.3