From 2302cec2240de28ee1c6977dbbcce308bce8af83 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Mon, 27 May 2013 15:14:34 +0300 Subject: [PATCH] ep93xx_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/ep93xx_dma.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) diff --git a/drivers/dma/ep93xx_dma.c b/drivers/dma/ep93xx_dma.c index f2bf8c0c4675..591cd8c63abb 100644 --- a/drivers/dma/ep93xx_dma.c +++ b/drivers/dma/ep93xx_dma.c @@ -1313,15 +1313,7 @@ static enum dma_status ep93xx_dma_tx_status(struct dma_chan *chan, dma_cookie_t cookie, struct dma_tx_state *state) { - struct ep93xx_dma_chan *edmac = to_ep93xx_dma_chan(chan); - enum dma_status ret; - unsigned long flags; - - spin_lock_irqsave(&edmac->lock, flags); - ret = dma_cookie_status(chan, cookie, state); - spin_unlock_irqrestore(&edmac->lock, flags); - - return ret; + return dma_cookie_status(chan, cookie, state); } /** -- 2.20.1