linux-kernel - Re: [RFC] pinctrl: pinconf-generic: move ..dt_node_to_map

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Message-ID: <aYL9zgEyCarrluvP@black.igk.intel.com>
Date: Wed, 4 Feb 2026 09:05:34 +0100
From: Andy Shevchenko <andriy.shevchenko@...el.com>
To: Linus Walleij <linusw@...nel.org>
Cc: Conor Dooley <conor@...nel.org>,
	Conor Dooley <conor.dooley@...rochip.com>,
	Xianwei Zhao <xianwei.zhao@...ogic.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Kevin Hilman <khilman@...libre.com>,
	Jerome Brunet <jbrunet@...libre.com>,
	Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
	linux-amlogic@...ts.infradead.org, linux-gpio@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC] pinctrl: pinconf-generic: move ..dt_node_to_map_pinmux()
 to amlogic-am4 driver

On Wed, Feb 04, 2026 at 12:34:36AM +0100, Linus Walleij wrote:
> On Tue, Feb 3, 2026 at 5:17 PM Conor Dooley <conor@...nel.org> wrote:

> > pinconf_generic_dt_node_to_map_pinmux() is not actually a generic
> > function, and really belongs in the amlogic-am4 driver. There are three
> > reasons why.
> (...)
> > The other dt_node_to_map implementations accept a being called for
> > either a node containing pin configuration properties or a node
> > containing child nodes that each contain the configuration properties.
> > IOW, they support the following two devicetree configurations:
> >
> > | cfg {
> > |       label: group {
> > |               pinmux = <asjhdasjhlajskd>;
> > |               config-item1;
> > |       };
> > | };
> >
> > | label: cfg {
> > |       group1 {
> > |               pinmux = <dsjhlfka>;
> > |               config-item2;
> > |       };
> > |       group2 {
> > |               pinmux = <lsdjhaf>;
> > |               config-item1;
> > |       };
> > | };
> >
> > pinconf_generic_dt_node_to_map_pinmux() only supports the latter.
> 
> This alone is a good reason to apply the patch.
> 
> I have a strong urge to apply this already for v7.0 despite its RFC state.
> 
> Anyone against?

Quite the opposite! I fully support unloading pin control core from OF-centric
code. Note, please, remove extra '.' (dot) in the Subject.o
Acked-by: Andy Shevchenko <andriy.shevchenko@...el.com>

-- 
With Best Regards,
Andy Shevchenko