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From: Linus Walleij <linus.walleij@linaro.org>
Date: Sun, 28 Jan 2024 01:43:39 +0100
Message-ID: <CACRpkdZ0JD5s+=jFN7Zw_uLr-VtRh3Or2=1rknq+aaF_DjvU4w@mail.gmail.com>
Subject: Re: [PATCH NOT APPLY v3 6/6] pinctrl: scmi: implement pinctrl_scmi_imx_dt_node_to_map
To: Peng Fan <peng.fan@nxp.com>
Cc: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>, Sudeep Holla <sudeep.holla@arm.com>, 
	Cristian Marussi <cristian.marussi@arm.com>, Rob Herring <robh+dt@kernel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, 
	Oleksii Moisieiev <oleksii_moisieiev@epam.com>, Shawn Guo <shawnguo@kernel.org>, 
	Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix Kernel Team <kernel@pengutronix.de>, 
	Fabio Estevam <festevam@gmail.com>, dl-linux-imx <linux-imx@nxp.com>, 
	"linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org>, 
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, 
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>, 
	"linux-gpio@vger.kernel.org" <linux-gpio@vger.kernel.org>, AKASHI Takahiro <takahiro.akashi@linaro.org>
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On Sun, Jan 28, 2024 at 1:32=E2=80=AFAM Peng Fan <peng.fan@nxp.com> wrote:
> > Subject: Re: [PATCH NOT APPLY v3 6/6] pinctrl: scmi: implement
> > On Sun, Jan 21, 2024 at 11:18=E2=80=AFAM Peng Fan (OSS) <peng.fan@oss.n=
xp.com>
> > wrote:
> >
> > > -obj-$(CONFIG_PINCTRL_SCMI)     +=3D pinctrl-scmi.o
> > > +obj-$(CONFIG_PINCTRL_SCMI)     +=3D pinctrl-scmi.o pinctrl-scmi-imx.=
o
> >
> > I think you should probably create a sub-Kconfig option for this file.
>
> Yeah, good suggestion.
>
> But as of now, the major issue is Cristian is not happy with adding
> a vendor compatible for scmi pinctrl when vendor has its own pinconf map.
> So we are stuck on how to support i.MX95 SCMI pinctrl.

I see.

> Previously Cristian suggested build exclusive for generic scmi pinctrl an=
d
> i.MX scmi pinctrl, but this means arm64 generic defconfig will not able
> to include both configs.
>
> Do you have any suggestions?

This is not a technical problem, I think it is more of a policy problem
and I can just say what works with pinctrl, the others know better than
me what is best for SCMI in general and how SCMI drivers should
be designed.

Yours,
Linus Walleij