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SubjectRe: [PATCH 2/2] mips: ralink: make SOC_MT7621 select PINCTRL
On Tue, Feb 21, 2023 at 11:54 AM Arınç ÜNAL <arinc.unal@arinc9.com> wrote:
>
> On 21.02.2023 13:21, Sergio Paracuellos wrote:
> > On Tue, Feb 21, 2023 at 11:09 AM Arınç ÜNAL <arinc.unal@arinc9.com> wrote:
> >>
> >> On 21.02.2023 12:38, Sergio Paracuellos wrote:
> >>> Hi Arınç,
> >>>
> >>> On Tue, Feb 21, 2023 at 10:24 AM <arinc9.unal@gmail.com> wrote:
> >>>>
> >>>> From: Arınç ÜNAL <arinc.unal@arinc9.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@arinc9.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.
>
> PINCTRL_RALINK won't appear on the menuconfig unless PINCTRL is enabled.
> So this'd be pointless.

Oh, yes. You are totally right. My bad here, sorry for the noise.

>
> From what I see on other MIPS and ARM platforms, PINCTRL is supposed to
> be enabled at the platform option, like CONFIG_RALINK. However, the
> Ralink SoCs except MT7621, or rather the DTs for them, do not use the
> pinctrl driver so I only enable it for MT7621, and keep it optional for
> the remaining SoCs.
>
> MediaTek pinctrl kconfig enables the pinctrl driver specific to the SoC
> by default, if the said SoC is enabled. I'm keeping this method when
> moving ralink pinctrl to mediatek with the series below.
>
> So once the pinctrl driver is defined on the DTs for the remaining SoCs,
> we can just put PINCTRL under CONFIG_RALINK and everything will work fine.

Sounds good, then. Thanks!

Acked-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>

>
> >
> >>
> >> https://github.com/arinc9/linux/commits/ralink-pinctrl
> >
> > Wow! Tons of changes here ;-). Keep going!!
>
> Thanks a lot, I've started to refactor everything Ralink. With this
> series, I finalise the work on pinctrl.
>
> Arınç

Best regards,
Sergio Paracuellos

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