ep93xx_dma: remove useless use of lock

Accordingly to dma_cookie_status() description locking is not required.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

1 files changed, 1 insertions, 9 deletions

diff --git a/drivers/dma/ep93xx_dma.c b/drivers/dma/ep93xx_dma.c
index f2bf8c0c4675..591cd8c63abb 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);
 }
 
 /**