diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c index b9e602447eca..246d13323882 100644 --- a/drivers/spi/spi-fsl-lpspi.c +++ b/drivers/spi/spi-fsl-lpspi.c @@ -870,7 +870,7 @@ static int fsl_lpspi_probe(struct platform_device *pdev) goto out_controller_put; } - ret = devm_request_irq(&pdev->dev, irq, fsl_lpspi_isr, 0, + ret = devm_request_irq(&pdev->dev, irq, fsl_lpspi_isr, IRQF_NO_AUTOEN, dev_name(&pdev->dev), fsl_lpspi); if (ret) { dev_err(&pdev->dev, "can't get irq%d: %d\n", irq, ret); @@ -907,14 +907,10 @@ static int fsl_lpspi_probe(struct platform_device *pdev) ret = fsl_lpspi_dma_init(&pdev->dev, fsl_lpspi, controller); if (ret == -EPROBE_DEFER) goto out_pm_get; - if (ret < 0) + if (ret < 0) { dev_warn(&pdev->dev, "dma setup error %d, use pio\n", ret); - else - /* - * disable LPSPI module IRQ when enable DMA mode successfully, - * to prevent the unexpected LPSPI module IRQ events. - */ - disable_irq(irq); + enable_irq(irq); + } ret = devm_spi_register_controller(&pdev->dev, controller); if (ret < 0) {