Re: [PATCH 3/3] gpio: regmap: Support a custom ->to_irq() hook

From: Andy Shevchenko
Date: Sun Jul 03 2022 - 10:24:57 EST


On Sun, Jul 3, 2022 at 1:11 PM Aidan MacDonald
<aidanmacdonald.0x0@xxxxxxxxx> wrote:
>
> Some GPIO chips require a custom to_irq() callback for mapping
> their IRQs, eg. because their interrupts come from a parent IRQ
> chip where the GPIO offset doesn't map 1-to-1 with hwirq number.

Don't they follow a hierarchical IRQ domain in that case?

And to be honest after the commit ef38237444ce ("gpiolib: add a
warning on gpiochip->to_irq defined") I have no idea how it works in
your case and also I feel this patch is a wrong direction of
development.

--
With Best Regards,
Andy Shevchenko