Messages in this thread | | | Date | Mon, 13 Dec 2021 19:49:06 +0100 | From | Andreas Kemnade <> | Subject | Re: [PATCH v2 1/4] Input: Add driver for Cypress Generation 5 touchscreen |
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Hi,
On Sun, 12 Dec 2021 21:45:48 -0800 Dmitry Torokhov <dmitry.torokhov@gmail.com> 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
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