linux-kernel - Re: [PATCH v2 1/7] dt-bindings: pinctrl: rockchip: increase max amount of device functions

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Message-ID: <5876990.GXAFRqVoOG@workhorse>
Date: Thu, 05 Jun 2025 16:35:05 +0200
From: Nicolas Frattaroli <nicolas.frattaroli@...labora.com>
To: Linus Walleij <linus.walleij@...aro.org>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
 Uwe Kleine-König <ukleinek@...nel.org>,
 William Breathitt Gray <wbg@...nel.org>,
 Sebastian Reichel <sebastian.reichel@...labora.com>,
 Kever Yang <kever.yang@...k-chips.com>, Yury Norov <yury.norov@...il.com>,
 Rasmus Villemoes <linux@...musvillemoes.dk>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Dave Ertman <david.m.ertman@...el.com>, Ira Weiny <ira.weiny@...el.com>,
 Leon Romanovsky <leon@...nel.org>, Lee Jones <lee@...nel.org>,
 linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org,
 linux-kernel@...r.kernel.org, linux-pwm@...r.kernel.org,
 linux-iio@...r.kernel.org, kernel@...labora.com,
 Jonas Karlman <jonas@...boo.se>,
 Detlev Casanova <detlev.casanova@...labora.com>,
 Conor Dooley <conor.dooley@...rochip.com>
Subject:
 Re: [PATCH v2 1/7] dt-bindings: pinctrl: rockchip: increase max amount of
 device functions

On Thursday, 5 June 2025 15:29:03 Central European Summer Time Linus Walleij wrote:
> On Mon, Jun 2, 2025 at 6:20 PM Nicolas Frattaroli
> <nicolas.frattaroli@...labora.com> wrote:
> 
> > With the introduction of the RK3576, the maximum device function ID used
> > increased to 14, as anyone can easily verify for themselves with:
> >
> >   rg -g '*-pinctrl.dtsi' '<\d+\s+RK_P..\s+(?<func>\d+)\s.*>;$' --trim \
> >   -NI -r '$func' arch/arm64/boot/dts/rockchip/ | sort -g | uniq
> >
> > Unfortunately, this wasn't caught by dt-validate as those pins are
> > omit-if-no-ref and we had no reference to them in any tree so far.
> >
> > Once again kick the can down the road by increasing the limit to 14.
> >
> > Acked-by: Conor Dooley <conor.dooley@...rochip.com>
> > Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@...labora.com>
> 
> Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
> 
> Is this something I can just apply?
> 
> Yours,
> Linus Walleij
> 

Absolutely, there's no harm in it landing early, and is only tangentially
related to the rest of the series because it came up while I was pinmuxing
my PWM pins.

Kind regards,
Nicolas Frattaroli