linux-kernel - Re: [PATCH] power: supply: olpc_battery: fix the power supply name

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Message-ID: <CAHp75VezK9xc4ZC3j_Ayaeyi16kntC_CE3K0-Qx-nAVbdY=dKg@mail.gmail.com>
Date:   Fri, 10 Jan 2020 22:52:49 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Lubomir Rintel <lkundrak@...sk>
Cc:     Sebastian Reichel <sre@...nel.org>,
        Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux PM <linux-pm@...r.kernel.org>
Subject: Re: [PATCH] power: supply: olpc_battery: fix the power supply name

On Fri, Jan 10, 2020 at 10:00 PM Lubomir Rintel <lkundrak@...sk> wrote:
> On Thu, 2020-01-09 at 17:09 +0200, Andy Shevchenko wrote:
> > On Sat, Dec 21, 2019 at 9:18 AM Lubomir Rintel <lkundrak@...sk> wrote:
> > > The framework is unhappy about them, because it uses the names in sysfs
> > > attributes:
> > >
> > >   power_supply olpc-ac: hwmon: 'olpc-ac' is not a valid name attribute, please fix
> > >   power_supply olpc-battery: hwmon: 'olpc-battery' is not a valid name attribute, please fix
> >
> > I'm wondering if it's an ABI change and how user space is supposed to
> > cope with it.
>
> It changes the sysfs path. It is rather unlikely that udisks or
> anything else userspace cares.
>
> If it does, then I guess the warning that suggests that it's a bug that
> should be fixed should be removed instead.

That said, I'm fine with this as long as power_supply subsystem maintainer does.

-- 
With Best Regards,
Andy Shevchenko