linux-kernel - Re: [PATCH v5 3/7] arm64: dts: s32g: make pinctrl part of mfd node

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <cmisbftf7kep5ztc3sttiv22iypkaizvziy3q7l3xstqvltjpw@h24boozxaydc>
Date: Sat, 2 Nov 2024 09:49:05 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Andrei Stefanescu <andrei.stefanescu@....nxp.com>
Cc: Linus Walleij <linus.walleij@...aro.org>, 
	Bartosz Golaszewski <brgl@...ev.pl>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Chester Lin <chester62515@...il.com>, Matthias Brugger <mbrugger@...e.com>, 
	Ghennadi Procopciuc <Ghennadi.Procopciuc@....com>, Larisa Grigore <larisa.grigore@....com>, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, "Rafael J. Wysocki" <rafael@...nel.org>, 
	Lee Jones <lee@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
	Sascha Hauer <s.hauer@...gutronix.de>, Fabio Estevam <festevam@...il.com>, 
	Dong Aisheng <aisheng.dong@....com>, Jacky Bai <ping.bai@....com>, linux-gpio@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, NXP S32 Linux Team <s32@....com>, 
	Christophe Lizzi <clizzi@...hat.com>, Alberto Ruiz <aruizrui@...hat.com>, 
	Enric Balletbo <eballetb@...hat.com>, Pengutronix Kernel Team <kernel@...gutronix.de>, 
	imx@...ts.linux.dev
Subject: Re: [PATCH v5 3/7] arm64: dts: s32g: make pinctrl part of mfd node

On Fri, Nov 01, 2024 at 10:06:09AM +0200, Andrei Stefanescu wrote:
> SIUL2 is now represented as an mfd device. Therefore, the old
> pinctrl node is deprecated. Move the pinctrl related properties
> inside the new "nxp-siul2" node. The latter one is now used
> to represent the mfd device.
> 
> Signed-off-by: Andrei Stefanescu <andrei.stefanescu@....nxp.com>
> ---
>  arch/arm64/boot/dts/freescale/s32g2.dtsi | 26 +++++++++++-------------
>  arch/arm64/boot/dts/freescale/s32g3.dtsi | 26 +++++++++++-------------
>  2 files changed, 24 insertions(+), 28 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/freescale/s32g2.dtsi b/arch/arm64/boot/dts/freescale/s32g2.dtsi
> index fa054bfe7d5c..e14ce5503e1f 100644
> --- a/arch/arm64/boot/dts/freescale/s32g2.dtsi
> +++ b/arch/arm64/boot/dts/freescale/s32g2.dtsi
> @@ -114,20 +114,18 @@ soc@0 {
>  		#size-cells = <1>;
>  		ranges = <0 0 0 0x80000000>;
>  
> -		pinctrl: pinctrl@...9c240 {
> -			compatible = "nxp,s32g2-siul2-pinctrl";
> -				/* MSCR0-MSCR101 registers on siul2_0 */
> -			reg = <0x4009c240 0x198>,
> -				/* MSCR112-MSCR122 registers on siul2_1 */
> -			      <0x44010400 0x2c>,
> -				/* MSCR144-MSCR190 registers on siul2_1 */
> -			      <0x44010480 0xbc>,
> -				/* IMCR0-IMCR83 registers on siul2_0 */
> -			      <0x4009ca40 0x150>,
> -				/* IMCR119-IMCR397 registers on siul2_1 */
> -			      <0x44010c1c 0x45c>,
> -				/* IMCR430-IMCR495 registers on siul2_1 */
> -			      <0x440110f8 0x108>;
> +		siul2: siul2@...9c000 {

This will affect users of this DTS. Your commit lacks rationale for
doing this, considering its impact. Re-describing devices is really
unexpected so should come with strong arguments.

Best regards,
Krzysztof