From: Andy Shevchenko Date: Mon, 27 May 2013 12:14:38 +0000 (+0300) Subject: pch_dma: remove useless use of lock X-Git-Tag: next-20130717~46^2~5 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=48222f6e22a00bfd6bf89d24a4b56cc1f4e74c33;p=karo-tx-linux.git pch_dma: remove useless use of lock Accordingly to dma_cookie_status() description locking is not required. Signed-off-by: Andy Shevchenko Signed-off-by: Vinod Koul --- diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c index ce3dc3e9688c..237f1d575873 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)