ep93xx_dma: remove useless use of lock
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Mon, 27 May 2013 12:14:34 +0000 (15:14 +0300)
committerVinod Koul <vinod.koul@intel.com>
Mon, 5 Aug 2013 04:02:24 +0000 (09:32 +0530)
Accordingly to dma_cookie_status() description locking is not required.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
drivers/dma/ep93xx_dma.c

index f2bf8c0..591cd8c 100644 (file)
@@ -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);
 }
 
 /**