ixgbe: use pcie_capability_read_word() to simplify code

[firefly-linux-kernel-4.4.55.git] / drivers / dma / mpc512x_dma.c

diff --git a/drivers/dma/mpc512x_dma.c b/drivers/dma/mpc512x_dma.c
index 2d956732aa3d262aa2c5e1c603ff530bab31db78..2fe4353773338234375df48855ec7c941798bb31 100644 (file)
--- a/drivers/dma/mpc512x_dma.c
+++ b/drivers/dma/mpc512x_dma.c
@@ -556,15 +556,7 @@ static enum dma_status
 mpc_dma_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
               struct dma_tx_state *txstate)
 {
-       struct mpc_dma_chan *mchan = dma_chan_to_mpc_dma_chan(chan);
-       enum dma_status ret;
-       unsigned long flags;
-
-       spin_lock_irqsave(&mchan->lock, flags);
-       ret = dma_cookie_status(chan, cookie, txstate);
-       spin_unlock_irqrestore(&mchan->lock, flags);
-
-       return ret;
+       return dma_cookie_status(chan, cookie, txstate);
 }
 
 /* Prepare descriptor for memory to memory copy */