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Subject[PATCH 08/12] pch_dma: 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/pch_dma.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c
index ce3dc3e..237f1d5 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)
--
1.8.2.rc0.22.gb3600c3


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