Re: [PATCH] pinctrl: cherryview: Add a quirk to make Acer Chromebook keyboard work again

[Linus Walleij <linus.walleij@xxxxxxxxxx>]

On Thu, Apr 6, 2017 at 3:18 PM, Mika Westerberg
<mika.westerberg@xxxxxxxxxxxxxxx> wrote:
> On Thu, Apr 06, 2017 at 12:05:28PM +0100, Marc Zyngier wrote:
>> > There is a proper way to use GPIOs as interrupts in ACPI, namely GpioInt
>> > resource but it has not been used in that particular machine for some
>> > reason.
>>
>> OK, that explains it. One thing you could try would be to allocate the
>> domain as a legacy one, which allows you to specify the virtual
>> interrupt range you require. Not sure that's any better though.
>
> Yeah, then I would have to add a whole bunch of code to handle custom
> irqdomain just to support this one machine (fingers crossed that it is
> limited to only this particular machine).

Thierry is working on better generic/custom irqdomains for the GPIOlib
core IRQ support. But right now the quirk is maybe a better solution.

Yours,
Linus Walleij
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