linux-kernel - Re: [PATCH v3 2/7] pinctrl: renesas: rzg2l: parameterize OEN register offset

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Message-ID: <CAMuHMdW3oOG+JUc-KbEXNn2+q-XLjoJ5ioCb-KULEOQ-cdj0Kg@mail.gmail.com>
Date: Thu, 7 Aug 2025 08:59:59 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Prabhakar <prabhakar.csengg@...il.com>
Cc: Linus Walleij <linus.walleij@...aro.org>, linux-renesas-soc@...r.kernel.org, 
	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Biju Das <biju.das.jz@...renesas.com>, 
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>, 
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH v3 2/7] pinctrl: renesas: rzg2l: parameterize OEN register offset

On Wed, 6 Aug 2025 at 21:56, Prabhakar <prabhakar.csengg@...il.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
>
> Prepare for supporting SoCs with varying OEN register locations by
> parameterizing the OEN offset in the rzg2l driver. Introduce an `oen`
> field in the rzg2l_register_offsets structure and update rzg2l_read_oen(),
> rzg2l_write_oen(), suspend/resume caching, and SoC hwcfg entries to use
> this offset instead of the hard-coded ETH_MODE value.
>
> As part of this change, rename the field `eth_mode` in the register cache
> to `oen` to better reflect its general purpose and decouple the naming
> from a specific register.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> ---
> v2->v3:
> - Renamed `eth_mode` to `oen` in the rzg2l_pinctrl_reg_cache struct
> - Added a if condition to check if the OEN register offset is defined
>   before reading/writing it in suspend/resume functions
> - Updated commit message

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
i.e. will queue in renesas-pinctrl for v6.18.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds