dmaengine: ppc4xx: use DMA_COMPLETE for dma completion status

Acked-by: Dan Williams <dan.j.williams@intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

drivers/dma/ppc4xx/adma.c

@@ -3891,7 +3891,7 @@ static enum dma_status ppc440spe_adma_tx_status(struct dma_chan *chan,
 
 	ppc440spe_chan = to_ppc440spe_adma_chan(chan);
 	ret = dma_cookie_status(chan, cookie, txstate);
-	if (ret == DMA_SUCCESS)
+	if (ret == DMA_COMPLETE)
 		return ret;
 
 	ppc440spe_adma_slot_cleanup(ppc440spe_chan);