linux-kernel - Re: [PATCH 1/2] ARM: dts: am335x-pocketbeagle: unique gpio-line-names

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Date:   Fri, 12 Feb 2021 09:31:54 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Drew Fustini <drew@...gleboard.org>
Cc:     Tony Lindgren <tony@...mide.com>,
        Benoît Cousson <bcousson@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Linux-OMAP <linux-omap@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Jason Kridner <jkridner@...gleboard.org>,
        Robert Nelson <robertcnelson@...gleboard.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>
Subject: Re: [PATCH 1/2] ARM: dts: am335x-pocketbeagle: unique gpio-line-names

On Thu, Feb 4, 2021 at 8:47 AM Drew Fustini <drew@...gleboard.org> wrote:
> On Thu, Feb 04, 2021 at 08:58:20AM +0200, Tony Lindgren wrote:
> > * Drew Fustini <drew@...gleboard.org> [210127 02:04]:
> > > Based on linux-gpio discussion [1], it is best practice to make the
> > > gpio-line-names unique. Generic names like "[ethernet]" are replaced
> > > with the name of the unique signal on the AM3358 SoC ball corresponding
> > > to the gpio line. "[NC]" is also renamed to the standard "NC" name to
> > > represent "not connected".
> > >
> > > [1] https://lore.kernel.org/linux-gpio/20201216195357.GA2583366@x1/
> >
> > So are these needed for v5.12 as fixes, or can these wait until after
> > the merge window for v5.13?
> >
> > Regards,
> >
> > Tony
>
> I suppose it depends on if/when the patches to make gpio lines unique
> go in.  I believe the last response from Linus W. was in mid-December
> and indicated he holding off merging as it was immature [1]

There is no hurry with that plus I hold that patch back indefinately
as it seems. I want to make line names unique for devices not
probing from DT but DT devices, I dunno.

Yours,
Linus Walleij