Re: [PATCH V3 1/3] gpio: Add virtio-gpio driver

[Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>]

Hi Viresh,

On Tue, Jun 15, 2021 at 1:15 PM Viresh Kumar <viresh.kumar@xxxxxxxxxx> wrote:
> On 11-06-21, 10:22, Geert Uytterhoeven wrote:
> > The same reasoning can apply to your backend daemon, so when using
> > the GPIO aggregator, you can just control a full gpiochip, without
> > having to implement access control on individual GPIO lines.
>
> I tried to look at it and it surely looks very temping and may fit
> well and reduce size of my backend :)
>
> I am now wondering how interrupts can be made to work here. Do you
> have anything in mind for that ?
>
> GPIO sysfs already supports interrupts, just that you need to register
> irq for the specific GPIO pins inside the aggregator ?

So far I hadn't considered interrupts.
Will think about it...

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds