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author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2013-05-27 12:14:35 (GMT) |
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committer | Vinod Koul <vinod.koul@intel.com> | 2013-08-05 04:02:24 (GMT) |
commit | 9b0b0bdc6a3ba70b73ea2fdd6c09ee46b34d3f94 (patch) | |
tree | 796d07a1987283841d43bee1ad8da63bc9ab052f | |
parent | 2302cec2240de28ee1c6977dbbcce308bce8af83 (diff) | |
download | linux-9b0b0bdc6a3ba70b73ea2fdd6c09ee46b34d3f94.tar.xz |
fsldma: remove useless use of lock
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>
-rw-r--r-- | drivers/dma/fsldma.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index 49e8fbd..b3f3e90 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); } /*----------------------------------------------------------------------------*/ |