Hi, On Sun, 12 Dec 2021 21:45:48 -0800 Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> wrote: > > > > + rc = devm_request_threaded_irq(dev, irq, NULL, cyttsp5_handle_irq, > > > > + IRQF_TRIGGER_FALLING | IRQF_ONESHOT, > > > > > > Please do not override platform setup with hardcoded triggers. Also, it > > > is strongly recommended to use level interrupts for these peripherals. > > > > > > This is also likely unsafe if controller is not completely shut off and > > > is capable of generating interrupts given input device is not yet > > > allocated. > > > > I have dropped the `IRQF_TRIGGER_FALLING |` > > > > I have tried to use level interrupts, but I can't get the device > > working with them. > > That is weird, does the interrupt controller support level interrupts? > hmm, it should, at least on the imx6 I am using them for some other devices, I guess, on the imx7 they should work, too. I hope I find time to give that a try the next days. Regards, Andreas