linux-kernel - Re: [PATCH 2/2] mips: ralink: make SOC

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Message-ID: <CAMhs-H_eLwxjA7-EKGSyKOZLQF05N-FNASZWtGgsV2S=txU=yQ@mail.gmail.com>
Date:   Tue, 21 Feb 2023 11:21:53 +0100
From:   Sergio Paracuellos <sergio.paracuellos@...il.com>
To:     Arınç ÜNAL <arinc.unal@...nc9.com>
Cc:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        John Crispin <john@...ozen.org>, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org, erkin.bozoglu@...ont.com
Subject: Re: [PATCH 2/2] mips: ralink: make SOC_MT7621 select PINCTRL

On Tue, Feb 21, 2023 at 11:09 AM Arınç ÜNAL <arinc.unal@...nc9.com> wrote:
>
> On 21.02.2023 12:38, Sergio Paracuellos wrote:
> > Hi Arınç,
> >
> > On Tue, Feb 21, 2023 at 10:24 AM <arinc9.unal@...il.com> wrote:
> >>
> >> From: Arınç ÜNAL <arinc.unal@...nc9.com>
> >>
> >> Currently, out of every Ralink SoC, only the dt-binding of the MT7621 SoC
> >> uses pinctrl. Because of this, PINCTRL is not selected at all. Make
> >> SOC_MT7621 select PINCTRL.
> >>
> >> Remove PINCTRL_MT7621, enabling it for the MT7621 SoC will be handled under
> >> the PINCTRL_MT7621 option.
> >>
> >> Signed-off-by: Arınç ÜNAL <arinc.unal@...nc9.com>
> >> ---
> >>   arch/mips/ralink/Kconfig | 2 +-
> >>   1 file changed, 1 insertion(+), 1 deletion(-)
> >>
> >> diff --git a/arch/mips/ralink/Kconfig b/arch/mips/ralink/Kconfig
> >> index 06031796c87b..83e61e147b90 100644
> >> --- a/arch/mips/ralink/Kconfig
> >> +++ b/arch/mips/ralink/Kconfig
> >> @@ -54,7 +54,7 @@ choice
> >>                  select HAVE_PCI
> >>                  select PCI_DRIVERS_GENERIC
> >>                  select SOC_BUS
> >> -               select PINCTRL_MT7621
> >> +               select PINCTRL
> >>
> >>                  help
> >>                    The MT7621 system-on-a-chip includes an 880 MHz MIPS1004Kc
> >> --
> >> 2.37.2
> >>
> >
> > Which git tree are you working against? CONFIG_SOC_MT7621 is not
> > selecting PINCTRL_MT7621 at all in v6.2 [0]. I think it should select
>
> mips/linux.git mips-next tree.
>
> https://git.kernel.org/pub/scm/linux/kernel/git/mips/linux.git/log/

I see :). Thanks!

>
> > 'PINCTRL_MT7621' and the 'select PINCTRL' stuff added inside the
> > PINCTRL_RALINK option in [1].
>
> I'm working on that, although not exactly the way you describe here, on
> this branch of mine.

So, in which way do you get PINCTRL_MT7621 automatically selected for
this SoC now? I think looking into the Kconfig for ralink pinctrl [0]
all of them at the end need the missing PINCTRL option to be added and
all of them are currently selecting PINCTRL_RALINK . Hence just adding
the PINCTRL option inside PINCTRL_RALINK looks convenient.

>
> https://github.com/arinc9/linux/commits/ralink-pinctrl

Wow! Tons of changes here ;-). Keep going!!

>
> Arınç

Best regards,
    Sergio Paracuellos

[0]: https://elixir.bootlin.com/linux/v6.2/source/drivers/pinctrl/ralink/Kconfig