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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2013-05-27 15:14:34 +0300
committerVinod Koul <vinod.koul@intel.com>2013-08-05 09:32:24 +0530
commit2302cec2240de28ee1c6977dbbcce308bce8af83 (patch)
treedb565a4c0a42dec623eb27f3501d06c4c7d75ad7 /drivers/dma/ep93xx_dma.c
parent43e33e484e3119520a26567f6e9f195617463b05 (diff)
downloadop-kernel-dev-2302cec2240de28ee1c6977dbbcce308bce8af83.zip
op-kernel-dev-2302cec2240de28ee1c6977dbbcce308bce8af83.tar.gz
ep93xx_dma: 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> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/ep93xx_dma.c')
-rw-r--r--drivers/dma/ep93xx_dma.c10
1 files changed, 1 insertions, 9 deletions
diff --git a/drivers/dma/ep93xx_dma.c b/drivers/dma/ep93xx_dma.c
index f2bf8c0..591cd8c 100644
--- a/drivers/dma/ep93xx_dma.c
+++ b/drivers/dma/ep93xx_dma.c
@@ -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);
}
/**
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