From: Peng Ma <peng.ma@nxp.com>
To: vkoul@kernel.org, dan.j.williams@intel.com
Cc: dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org,
Peng Ma <peng.ma@nxp.com>
Subject: [V3 2/2] dmaengine: fsl-qdma: Add improvement
Date: Wed, 22 May 2019 03:21:03 +0000 [thread overview]
Message-ID: <20190522032103.13713-2-peng.ma@nxp.com> (raw)
In-Reply-To: <20190522032103.13713-1-peng.ma@nxp.com>
When an error occurs we should clean the error register then to return
Signed-off-by: Peng Ma <peng.ma@nxp.com>
---
changed for V3:
- no changed.
drivers/dma/fsl-qdma.c | 4 +---
1 files changed, 1 insertions(+), 3 deletions(-)
diff --git a/drivers/dma/fsl-qdma.c b/drivers/dma/fsl-qdma.c
index da8fdf5..8e341c0 100644
--- a/drivers/dma/fsl-qdma.c
+++ b/drivers/dma/fsl-qdma.c
@@ -703,10 +703,8 @@ 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;
--
1.7.1
next prev parent reply other threads:[~2019-05-22 3:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-22 3:21 [V3 1/2] dmaengine: fsl-qdma: fixed the source/destination descriptor format Peng Ma
2019-05-22 3:21 ` Peng Ma [this message]
2019-06-04 12:07 ` [V3 2/2] dmaengine: fsl-qdma: Add improvement Vinod Koul
2019-06-04 12:06 ` [V3 1/2] dmaengine: fsl-qdma: fixed the source/destination descriptor format Vinod Koul
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