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Subject[PATCH 06/12] mmp_pdma: remove useless use of lock
Date
Accordingly to dma_cookie_status() description locking is not required.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/dma/mmp_pdma.c | 10 +---------
1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c
index c26699f..ad4b0a7 100644
--- a/drivers/dma/mmp_pdma.c
+++ b/drivers/dma/mmp_pdma.c
@@ -632,15 +632,7 @@ static int mmp_pdma_control(struct dma_chan *dchan, enum dma_ctrl_cmd cmd,
static enum dma_status mmp_pdma_tx_status(struct dma_chan *dchan,
dma_cookie_t cookie, struct dma_tx_state *txstate)
{
- struct mmp_pdma_chan *chan = to_mmp_pdma_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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