Messages in this thread Patch in this message | | | From | Andy Shevchenko <> | Subject | [PATCH 05/12] fsldma: remove useless use of lock | Date | Mon, 27 May 2013 15:14:35 +0300 |
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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 --- drivers/dma/fsldma.c | 10 +--------- 1 file changed, 1 insertion(+), 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); } /*----------------------------------------------------------------------------*/ -- 1.8.2.rc0.22.gb3600c3
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