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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>
This commit is contained in:
Peng Ma 2019-05-06 10:21:11 +08:00 committed by Vinod Koul
parent 4e4106f5e9
commit 827484912e
1 changed files with 1 additions and 3 deletions
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4
drivers/dma/fsl-qdma.c
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@ -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;