Re: [RESEND PATCH v5 3/5] IIO: Ingenic JZ47xx: Add touchscreen mode.

Paul Cercueil
2020-04-17T21:18:27Z

Le sam. 18 avril 2020 à 0:13, Andy Shevchenko
<andy.shevchenko@gmail.com> a écrit :
> On Sat, Apr 18, 2020 at 12:05 AM Paul Cercueil <paul@crapouillou.net>
> wrote:
>> Le ven. 17 avril 2020 à 23:59, Andy Shevchenko
>> <andy.shevchenko@gmail.com> a écrit :
>> > On Fri, Apr 17, 2020 at 11:21 PM Artur Rojek
>> <contact@artur-rojek.eu>
>> > wrote:
>
> ...
>
>> >> + irq = platform_get_irq(pdev, 0);
>> >
>> > Before it worked w/o IRQ, here is a regression you introduced.
>>
>> Before it simply did not need the IRQ, which is provided by the
>> devicetree anyway. No regression here.
>
> Does it work without IRQ? Or it was a dead code till now?
> For me it's clear regression. Otherwise something is really wrong in a
> process of development of this driver.

Nothing wrong here. The IRQ was not used by the driver for the
functionality it provided before. It is required now to support the
touchscreen channels.

-Paul

>> >> + if (irq < 0) {
>> >
>> >> + dev_err(dev, "Failed to get irq: %d\n", irq);
>> >
>> > Redundant message.
>> >
>> >> + return irq;
>> >> + }
>
> --
> With Best Regards,
> Andy Shevchenko