linux-kernel - Re: [PATCH] pinctrl: renesas: rzg2l: Return -EINVAL if the pin doesn't support PIN_CFG

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Message-ID: <CAMuHMdUQzF==5ejD5XGC7KPm+ccq3=p0CDpjiYzsiTbn0D4yKw@mail.gmail.com>
Date: Thu, 1 Aug 2024 17:19:35 +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] pinctrl: renesas: rzg2l: Return -EINVAL if the pin
 doesn't support PIN_CFG_OEN

On Tue, Jul 23, 2024 at 6:50 PM Prabhakar <prabhakar.csengg@...il.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
>
> Update the rzg2l_pinctrl_pinconf_get() function to return -EINVAL for
> PIN_CONFIG_OUTPUT_ENABLE config if the pin doesn't support the PIN_CFG_OEN
> configuration.
>
> -EINVAL is a valid error when dumping the pin configurations. Returning
> -EOPNOTSUPP for a pin that does not support PIN_CFG_OEN resulted in the
> message 'ERROR READING CONFIG SETTING 16' being printed during dumping
> pinconf-pins.
>
> For consistency do similar change in rzg2l_pinctrl_pinconf_set() for
> PIN_CONFIG_OUTPUT_ENABLE config.
>
> Fixes: a9024a323af2 ("pinctrl: renesas: rzg2l: Clean up and refactor OEN read/write functions")
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
i.e. will queue in renesas-pinctrl for v6.12.

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