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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2013-05-27 15:14:35 +0300
committerVinod Koul <vinod.koul@intel.com>2013-08-05 09:32:24 +0530
commit9b0b0bdc6a3ba70b73ea2fdd6c09ee46b34d3f94 (patch)
tree796d07a1987283841d43bee1ad8da63bc9ab052f /drivers/dma/fsldma.c
parent2302cec2240de28ee1c6977dbbcce308bce8af83 (diff)
downloadop-kernel-dev-9b0b0bdc6a3ba70b73ea2fdd6c09ee46b34d3f94.zip
op-kernel-dev-9b0b0bdc6a3ba70b73ea2fdd6c09ee46b34d3f94.tar.gz
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.c10
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);
}
/*----------------------------------------------------------------------------*/
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