dmaengine: consolidate tx_status functions

[mirror_ubuntu-bionic-kernel.git] / drivers / dma / mpc512x_dma.c

diff --git a/drivers/dma/mpc512x_dma.c b/drivers/dma/mpc512x_dma.c
index 0253d5aecdb19f1a0871d9f643fbb97f1c666b09..138271591ae9f3872dca293a245dd532318a984d 100644 (file)
--- a/drivers/dma/mpc512x_dma.c
+++ b/drivers/dma/mpc512x_dma.c
@@ -557,17 +557,14 @@ 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;
-       dma_cookie_t last_used;
-       dma_cookie_t last_complete;
 
        spin_lock_irqsave(&mchan->lock, flags);
-       last_used = mchan->chan.cookie;
-       last_complete = mchan->chan.completed_cookie;
+       ret = dma_cookie_status(chan, cookie, txstate);
        spin_unlock_irqrestore(&mchan->lock, flags);
 
-       dma_set_tx_state(txstate, last_complete, last_used, 0);
-       return dma_async_is_complete(cookie, last_complete, last_used);
+       return ret;
 }
 
 /* Prepare descriptor for memory to memory copy */