linux-kernel - Re: [PATCH] pinctrl: renesas: rzg2l: Refactor OEN register PWPR handling

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Message-ID: <CAMuHMdWmzY24PwTg0=oFU3ZN1wrgDpKvnQJ7=zDZvxpx5y5K5Q@mail.gmail.com>
Date: Thu, 13 Nov 2025 17:38:31 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: John Madieu <john.madieu.xa@...renesas.com>
Cc: linus.walleij@...aro.org, prabhakar.mahadev-lad.rj@...renesas.com, 
	biju.das.jz@...renesas.com, linux-renesas-soc@...r.kernel.org, 
	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Pavel Machek <pavel@...x.de>
Subject: Re: [PATCH] pinctrl: renesas: rzg2l: Refactor OEN register PWPR handling

On Thu, 6 Nov 2025 at 09:08, John Madieu <john.madieu.xa@...renesas.com> wrote:
> Extract the OEN register write with PWPR protection logic into a helper
> function to eliminate code duplication between rzg2l_write_oen() and
> rzg2l_pinctrl_resume_noirq().
>
> Introduce rzg2l_oen_write_with_pwpr() helper that encapsulates the
> PWPR unlock, OEN register write, and PWPR lock sequence. This helper
> must be called with pctrl->lock already held by the caller.
>
> Reported-by: Pavel Machek <pavel@...x.de>
> Closes: https://lore.kernel.org/cip-dev/OS9PR01MB16368C765305362F5F4132759FFC4A@OS9PR01MB16368.jpnprd01.prod.outlook.com/T/#u
> Signed-off-by: John Madieu <john.madieu.xa@...renesas.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
i.e. will queue in renesas-pinctrl for v6.19.

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