From: Peng Ma <peng.ma@nxp.com>
Date: Mon, 6 May 2019 02:21:11 +0000 (+0800)
Subject: dmaengine: fsl-qdma: Add improvement
X-Git-Tag: v5.4-rc1~823^2~11
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=827484912e824b7c8c2e1866272084e0e1d3a2c4;p=platform%2Fkernel%2Flinux-rpi.git

dmaengine: fsl-qdma: Add improvement

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

Signed-off-by: Peng Ma <peng.ma@nxp.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
---

diff --git a/drivers/dma/fsl-qdma.c b/drivers/dma/fsl-qdma.c
index aa1d0ae..60b062c 100644
--- a/drivers/dma/fsl-qdma.c
+++ b/drivers/dma/fsl-qdma.c
@@ -701,10 +701,8 @@ static irqreturn_t fsl_qdma_error_handler(int irq, void *dev_id)
 
 	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;