Messages in this thread Patch in this message | | | From | Andy Shevchenko <> | Subject | [PATCH 04/12] ep93xx_dma: remove useless use of lock | Date | Mon, 27 May 2013 15:14:34 +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> --- drivers/dma/ep93xx_dma.c | 10 +--------- 1 file changed, 1 insertion(+), 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); } /** -- 1.8.2.rc0.22.gb3600c3
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