linux-kernel - Re: [PATCH v6] soc: nuvoton: Add SoC info driver for WPCM450

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Date:   Sat, 11 Feb 2023 10:33:05 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Jonathan Neuschäfer <j.neuschaefer@....net>
Cc:     openbmc@...ts.ozlabs.org, Joel Stanley <joel@....id.au>,
        Tomer Maimon <tmaimon77@...il.com>,
        Paul Menzel <pmenzel@...gen.mpg.de>,
        Arnd Bergmann <arnd@...db.de>,
        Hitomi Hasegawa <hasegawa-hitomi@...itsu.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Hector Martin <marcan@...can.st>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Brian Norris <briannorris@...omium.org>,
        Sven Peter <sven@...npeter.dev>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6] soc: nuvoton: Add SoC info driver for WPCM450

Hi Jonathan,

On Sat, Feb 11, 2023 at 2:03 AM Jonathan Neuschäfer
<j.neuschaefer@....net> wrote:
> On Fri, Feb 10, 2023 at 11:26:28AM +0100, Geert Uytterhoeven wrote:
> > On Thu, Nov 3, 2022 at 10:37 PM Jonathan Neuschäfer
> > <j.neuschaefer@....net> wrote:
> > > Add a SoC information driver for Nuvoton WPCM450 SoCs. It provides
> > > information such as the SoC revision.
> > >
> > > Usage example:
> > >
> > >   # grep . /sys/devices/soc0/*
> > >   /sys/devices/soc0/family:Nuvoton NPCM
> > >   /sys/devices/soc0/revision:A3
> > >   /sys/devices/soc0/soc_id:WPCM450
> > >
> > > Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@....net>
> > > Reviewed-by: Joel Stanley <joel@....id.au>
> > > Reviewed-by: Paul Menzel <pmenzel@...gen.mpg.de>
> > > ---
> > > v6:
> > > - Select REGMAP
> > > - Rearrange Kconfig structure a bit
> >
> > Thanks for your patch!
> >
> > Unfortunately Joel seems to have sent v5 to Arnd instead of v6?
> > https://lore.kernel.org/all/20230201051717.1005938-1-joel@jms.id.au
> >
> > Which is now commit 7dbb4a38bff34493 ("soc:
> > nuvoton: Add SoC info driver for WPCM450") in soc/for-next...
> >
> > > --- /dev/null
> > > +++ b/drivers/soc/nuvoton/Kconfig
> > > @@ -0,0 +1,17 @@
> > > +# SPDX-License-Identifier: GPL-2.0
> > > +menu "Nuvoton SoC drivers"
> > > +       depends on ARCH_NPCM || COMPILE_TEST
> >
> > ... and lacks the above dependency, hence appearing on my radar.
> >
> > > +
> > > +config WPCM450_SOC
> > > +       tristate "Nuvoton WPCM450 SoC driver"
> > > +       default y if ARCH_WPCM450
> > > +       select SOC_BUS
> > > +       select REGMAP
> > > +       help
> > > +         Say Y here to compile the SoC information driver for Nuvoton
> > > +         WPCM450 SoCs.
> > > +
> > > +         This driver provides information such as the SoC model and
> > > +         revision.
> > > +
> > > +endmenu
> >
> > Do you plan to send a follow-up patch?
>
> Yes, hopefully I'll get around to it a few days after rc1, when the dust
> of the (upcoming) merge window has settled a bit.
>
> Or should I rather send it earlier?

I'd say sooner rather than later.
If I hadn't found your v6, I would have sent a patch myself to add the
dependency.

Does the "select REGMAP" fix a build issue? If yes, that's a very good
reason to send it now...

Thanks!

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