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| author | Andy Shevchenko | 2013-05-27 14:14:38 +0200 |
|---|---|---|
| committer | Vinod Koul | 2013-08-05 06:02:25 +0200 |
| commit | da0a908ed96b3eda788d6dc87b3e0b1610c40ec8 (patch) | |
| tree | 9f0b726b04da966d00b6f61824cd7123949f0b8f /drivers/dma/pch_dma.c | |
| parent | mpc512x_dma: remove useless use of lock (diff) | |
| download | kernel-qcow2-linux-da0a908ed96b3eda788d6dc87b3e0b1610c40ec8.tar.gz kernel-qcow2-linux-da0a908ed96b3eda788d6dc87b3e0b1610c40ec8.tar.xz kernel-qcow2-linux-da0a908ed96b3eda788d6dc87b3e0b1610c40ec8.zip | |
pch_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/pch_dma.c')
| -rw-r--r-- | drivers/dma/pch_dma.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c index 0bbdea5059f3..956314de7c44 100644 --- a/drivers/dma/pch_dma.c +++ b/drivers/dma/pch_dma.c @@ -564,14 +564,7 @@ static void pd_free_chan_resources(struct dma_chan *chan) static enum dma_status pd_tx_status(struct dma_chan *chan, dma_cookie_t cookie, struct dma_tx_state *txstate) { - struct pch_dma_chan *pd_chan = to_pd_chan(chan); - enum dma_status ret; - - spin_lock_irq(&pd_chan->lock); - ret = dma_cookie_status(chan, cookie, txstate); - spin_unlock_irq(&pd_chan->lock); - - return ret; + return dma_cookie_status(chan, cookie, txstate); } static void pd_issue_pending(struct dma_chan *chan) |