Re: Replacing global GPIO numbers in sysfs with hardware offsets

[Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>]

Hi Kent,

On Mon, 24 Feb 2025 at 02:49, Kent Gibson <warthog618@xxxxxxxxx> wrote:
> TBH, I think you will have trouble getting users to adopt it - they
> require a solution no more complex than what they already have or they
> will resist the change for as long as they possibly can.  So if you want
> them to migrate before removing the global numberspace then that will
> never happen.
>
> As it stands the user needs to search the gpiochipXYZs looking for the
> matching label. It would be easier if the chip was identified in sysfs by
> its label, rather than (as well as) its base address.
> So no searching required.
>
> Aside: Speaking of which, once the global numberspace is removed does
> exposing the base address serve any purpose?

l doubt the global numberspace will really go away: some number
scheme is still needed internally, cfr. I2C bus numbers and virtual
interrupts numbers.

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