Re: [PATCH v3 4/5] gpio: gpiolib: Add ngirq member to struct gpio_irq_chip

Linus Walleij
2022-05-19T13:21:30Z

On Wed, May 18, 2022 at 8:36 PM Lad, Prabhakar
<prabhakar.csengg@gmail.com> wrote:

> > As Geert says, I think you can just use .valid_mask for this,
> > what do you say?
> >
> I don't think Geert is suggesting that. The .valid_mask option is one
> time setting but what I need is something dynamic i.e. out of 392 GPIO
> pins any 32 can be used as an interrupt pin.

So why can't this just be determined from the compatible?
This does not sound like a configuration option at all but something
related to the IP block per se, and then you know that if it has
a certain compatible then it has this property.

Yours,
Linus Walleij