dmaengine: fsl-qdma: Add improvement

When an error occurs we should clean the error register then to return

Signed-off-by: Peng Ma <[e-mail]>
Signed-off-by: Vinod Koul <[e-mail]>

drivers/dma/fsl-qdma.c

···
 
 	intr = qdma_readl(fsl_qdma, status + FSL_QDMA_DEDR);
 
-	if (intr) {
+	if (intr)
 		dev_err(fsl_qdma->dma_dev.dev, "DMA transaction error!\n");
-		return IRQ_NONE;
-	}
 
 	qdma_writel(fsl_qdma, FSL_QDMA_DEDR_CLEAR, status + FSL_QDMA_DEDR);
 	return IRQ_HANDLED;