Hi Alexander, thank you for the Review > Gesendet: Donnerstag, 04. Juli 2019 um 22:43 Uhr > Von: "Alexandre Belloni" <alexandre.belloni@xxxxxxxxxxx> > > - rtc->rtc_dev = devm_rtc_allocate_device(rtc->dev); > > - if (IS_ERR(rtc->rtc_dev)) > > - return PTR_ERR(rtc->rtc_dev); > > + ret = devm_request_threaded_irq(&pdev->dev, rtc->irq, NULL, > > + mtk_rtc_irq_handler_thread, > > + IRQF_ONESHOT | IRQF_TRIGGER_HIGH, > > + "mt6397-rtc", rtc); > > > > This change may lead to a crash and the allocation was intentionally > placed before the irq request. i got no crash till now, but i will try to move the allocation before irq-request > > - ret = request_threaded_irq(rtc->irq, NULL, > > - mtk_rtc_irq_handler_thread, > > - IRQF_ONESHOT | IRQF_TRIGGER_HIGH, > > - "mt6397-rtc", rtc); > > if (ret) { > > dev_err(&pdev->dev, "Failed to request alarm IRQ: %d: %d\n", > > rtc->irq, ret); > > @@ -287,6 +281,10 @@ static int mtk_rtc_probe(struct platform_device *pdev) > > > > device_init_wakeup(&pdev->dev, 1); > > > > + rtc->rtc_dev = devm_rtc_allocate_device(&pdev->dev); > > + if (IS_ERR(rtc->rtc_dev)) > > + return PTR_ERR(rtc->rtc_dev); > > + > > rtc->rtc_dev->ops = &mtk_rtc_ops; > > static const struct of_device_id mt6397_rtc_of_match[] = { > > + { .compatible = "mediatek,mt6323-rtc", }, > > Unrelated change, this is not an improvement and must be accompanied by > a documentation change. documentation is changed in 1/7 defining this compatible. i called it improvement because existing driver now supports another chip regards Frank