linux-kernel - Re: [PATCH 3/3] mfd: tqmx86: add support for TQMxE40M

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Message-ID: <20210401080437.GM2916463@dell>
Date:   Thu, 1 Apr 2021 09:04:37 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Matthias Schiffer <matthias.schiffer@...tq-group.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/3] mfd: tqmx86: add support for TQMxE40M

On Wed, 31 Mar 2021, Andy Shevchenko wrote:

> On Wed, Mar 31, 2021 at 4:33 PM Matthias Schiffer
> <matthias.schiffer@...tq-group.com> wrote:
> > On Wed, 2021-03-31 at 15:37 +0300, Andy Shevchenko wrote:
> > > On Wed, Mar 31, 2021 at 2:38 PM Matthias Schiffer
> > > <matthias.schiffer@...tq-group.com> wrote:
> 
> ...
> 
> > > > +               return 24000;
> > >
> > > AFAICS it will return 24 MHz for "Unknown" board. Is it okay to be so brave?
> >
> > As noted in the commit message, our hardware developers intend to use
> > 24 MHz for all future x86 SoMs.
> 
> What may go wrong in the future?.. (rhetorical question, obviously)

My preference would be to be explicit.

Rather than support boards implicitly i.e. by accident.

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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