diff options
| author |   Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2013-05-27 15:14:35 +0300 |
|---|---|---|
| committer |   Vinod Koul <vinod.koul@intel.com> | 2013-08-05 09:32:24 +0530 |
| commit | 9b0b0bdc6a3ba70b73ea2fdd6c09ee46b34d3f94 (patch) | |
| tree | 796d07a1987283841d43bee1ad8da63bc9ab052f /drivers/dma/fsldma.c | |
| parent | ep93xx_dma: remove useless use of lock (diff) | |
| download | linux-dev-9b0b0bdc6a3ba70b73ea2fdd6c09ee46b34d3f94.tar.xz linux-dev-9b0b0bdc6a3ba70b73ea2fdd6c09ee46b34d3f94.zip | |
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>
Diffstat (limited to 'drivers/dma/fsldma.c')
| -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 49e8fbdb8983..b3f3e90054f2 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); } /*----------------------------------------------------------------------------*/ |