Messages in this thread Patch in this message | | | From | Peng Ma <> | Subject | [V3 2/2] dmaengine: fsl-qdma: Add improvement | Date | Wed, 22 May 2019 03:21:03 +0000 |
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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
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