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fsldma: remove useless use of lock

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Accordingly to dma_cookie_status() description locking is not required.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Li Yang <leoli@freescale.com>
Cc: Zhang Wei <zw@zh-kernel.org>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Andy Shevchenko 2013-05-27 15:14:35 +03:00 committed by Vinod Koul
parent 2302cec224
commit 9b0b0bdc6a
1 changed files with 1 additions and 9 deletions
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10
drivers/dma/fsldma.c
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@ -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);
}
/*----------------------------------------------------------------------------*/