Re: Replacing global GPIO numbers in sysfs with hardware offsets

[Kent Gibson <warthog618@xxxxxxxxx>]

On Wed, Mar 05, 2025 at 09:22:42AM +0100, Linus Walleij wrote:
> On Fri, Feb 28, 2025 at 10:53 AM Geert Uytterhoeven
> <geert@xxxxxxxxxxxxxx> wrote:
>
> > Let's keep it simple, and similar/identical to the existing API?
> >
> > Is there anything in Documentation/ABI/obsolete/sysfs-gpio
> > we can drop? edge?
>
> I suggested dropping all of the irq stuff earlier in the
> thread, given how bad quality it is. Especially if it's edge
> triggered it can easily squash 100 or 1000 IRQs into one
> fsnotify event.
>

+1 for removing edge and poll(2) on value.  Keep the sysfs as a very
basic set/get interface for environments where ioctl()s are too
burdensome.

Not sure that active_low serves any purpose other than adding confusion.
Drop active_low and only support physical levels?

Cheers,
Kent.