linux-kernel - Re: [RFC PATCH 0/2] Introduce configfs-based interface for gpio-aggregator

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Message-ID: <CAMuHMdV=Nn40OgnHnDx3Cy0XsVRVwWzdopYj=XKTdefkHGQxGA@mail.gmail.com>
Date: Tue, 11 Feb 2025 17:00:02 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Bartosz Golaszewski <brgl@...ev.pl>
Cc: Koichiro Den <koichiro.den@...onical.com>, linux-gpio@...r.kernel.org, 
	linus.walleij@...aro.org, maciej.borzecki@...onical.com, 
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 0/2] Introduce configfs-based interface for gpio-aggregator

On Thu, 30 Jan 2025 at 21:48, Bartosz Golaszewski <brgl@...ev.pl> wrote:
> On Thu, Jan 30, 2025 at 7:40 PM Bartosz Golaszewski <brgl@...ev.pl> wrote:
> > While at it: there's no reason to impose a
> > naming convention of lineX, lineY etc., the names don't matter for the
> > aggregator setup (unlike gpio-sim where they indicate the offset of
> > the line they concern).
>
> Scratch that part. There's a good reason for that - the ordering of
> lines within the aggregator. I'm just not sure whether we should
> impose a strict naming where - for an aggregator of 3 lines total - we
> expect there to exist groups named line0, line1 and line2 or if we
> should be more lenient and possibly sort whatever names the user
> provides alphabetically?

My first idea was "Hey, just sort them alphabetically, and use
the names as gpio-line-names". But that means they have to be
globally unique, so line<Y> is indeed better.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

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