RE: GPIO TODO

[Peng Fan <peng.fan@xxxxxxx>]

Hi Marc, Linus

> Subject: Re: GPIO TODO

Thanks for quick response.

> 
> On Tue, 18 Mar 2025 10:00:16 +0000,
> Linus Walleij <linus.walleij@xxxxxxxxxx> wrote:
> >
> > On Tue, Mar 18, 2025 at 8:38 AM Peng Fan <peng.fan@xxxxxxx>
> wrote:
> >
> > > Besides the of_gpio.h, anyone working on immutable irq_chip?
> >
> > This work was initiated by Marc Zyngier and he has since had to
> resign
> > irqchip maintenance so it lands with Tomas Gleixner that has too
> much
> > to do (I think), but rest assured that he will be grateful if you pick
> > it up, so just send patches.

Thanks. I will give a look and see what I could do here.

> 
> You of course still have the option to simply delete anything that is not
> yet immutable, or remove the irq_chip patching support. The kernel
> has been screaming for three years now, and these drivers are pretty
> much unmaintained.

I will do my best to add IRQCHIP_IMMUTABLE support
for remaining irq_chips created by gpio drivers.

Removing the irq_chips from the gpio drivers that not-converted
immutable irq chip(if you mean this) would be rejected, I think.

Thanks,
Peng. 

> 
> My bet is that nobody will notice, and I suspect tglx will gladly take
> patches deleting unmaintained code. Once that's done, you can drop
> the immutable flag, which won't serve any purpose anymore.
> 
> 	M.
> 
> --
> Without deviation from the norm, progress is not possible.