dmaengine: consolidate tx_status functions

[firefly-linux-kernel-4.4.55.git] / drivers / dma / txx9dmac.c

diff --git a/drivers/dma/txx9dmac.c b/drivers/dma/txx9dmac.c
index 8a5225bf9bc945b3afe87481ef9c7ed34b637b93..bb7b3d96ac6f659d5dc16e464d9275f5fab052d8 100644 (file)
--- a/drivers/dma/txx9dmac.c
+++ b/drivers/dma/txx9dmac.c
@@ -959,27 +959,17 @@ txx9dmac_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
                   struct dma_tx_state *txstate)
 {
        struct txx9dmac_chan *dc = to_txx9dmac_chan(chan);
-       dma_cookie_t last_used;
-       dma_cookie_t last_complete;
-       int ret;
+       enum dma_status ret;
 
-       last_complete = chan->completed_cookie;
-       last_used = chan->cookie;
-
-       ret = dma_async_is_complete(cookie, last_complete, last_used);
+       ret = dma_cookie_status(chan, cookie, txstate);
        if (ret != DMA_SUCCESS) {
                spin_lock_bh(&dc->lock);
                txx9dmac_scan_descriptors(dc);
                spin_unlock_bh(&dc->lock);
 
-               last_complete = chan->completed_cookie;
-               last_used = chan->cookie;
-
-               ret = dma_async_is_complete(cookie, last_complete, last_used);
+               ret = dma_cookie_status(chan, cookie, txstate);
        }
 
-       dma_set_tx_state(txstate, last_complete, last_used, 0);
-
        return ret;
 }