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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2013-05-27 14:14:38 +0200
committerVinod Koul <vinod.koul@intel.com>2013-08-05 06:02:25 +0200
commitda0a908ed96b3eda788d6dc87b3e0b1610c40ec8 (patch)
tree9f0b726b04da966d00b6f61824cd7123949f0b8f /drivers/dma/pch_dma.c
parentmpc512x_dma: remove useless use of lock (diff)
downloadlinux-da0a908ed96b3eda788d6dc87b3e0b1610c40ec8.tar.xz
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.c9
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)