linux-kernel - Re: [PATCH v3 02/15] pinctrl: renesas: pinctrl-rzg2l: Rename B0WI to BOWI

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Message-ID: <CAMuHMdX2F=PzmPhPyGFs_kZZBuTYjBQ-n88pEqo3aQh4=-oHiA@mail.gmail.com>
Date: Wed, 5 Jun 2024 13:39:31 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Prabhakar <prabhakar.csengg@...il.com>
Cc: Linus Walleij <linus.walleij@...aro.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Magnus Damm <magnus.damm@...il.com>, linux-renesas-soc@...r.kernel.org, 
	linux-gpio@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Biju Das <biju.das.jz@...renesas.com>, 
	Claudiu Beznea <claudiu.beznea.uj@...renesas.com>, 
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>, 
	Paul Barker <paul.barker.ct@...renesas.com>, 
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH v3 02/15] pinctrl: renesas: pinctrl-rzg2l: Rename B0WI to BOWI

Hi Prabhakar,

On Thu, May 30, 2024 at 7:41 PM Prabhakar <prabhakar.csengg@...il.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
>
> Fix the typo B0WI -> BOWI to match with the RZ/G2L HW manual.
>
> Reported-by: Geert Uytterhoeven <geert+renesas@...der.be>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> ---
> v2->v3
> - New patch

Thanks for your patch!

I had a deeper look, as the name "B0WI" (with zero) is also present
in drivers/pinctrl/renesas/pinctrl-rza2.c, and because Section 41.4.2
("Operation for Peripheral Function") in the RZ/G2L Group Hardware
User's Manual does talk about the "B0WI" (with zero) bit.

Apparently Rev. 0.51 of the RZ/A2M Group Hardware User's Manual used
both variants. Later (Rev. 1.00) revisions replaced the O-based
variant by the zero-based variant. So it looks like "B0WI" (with
zero) is correct, and the RZ/G2L, RZ/V2L, RZ/G2UL, and RZ/Five HW
manuals should be fixed instead. The RZ/G3S manual already uses
the correct naming.

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