linux-kernel - Re: [PATCH v3 2/4] i2c: riic: Introduce helper functions for I2C read/write operations

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Message-ID: <CAMuHMdX4My_nuQ_Jgb4=jGG8UBzkpZPAmgq=QFcsXRTOa=+Fuw@mail.gmail.com>
Date: Tue, 19 Mar 2024 14:32:54 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Prabhakar <prabhakar.csengg@...il.com>
Cc: Chris Brandt <chris.brandt@...esas.com>, Andi Shyti <andi.shyti@...nel.org>, 
	Rob Herring <robh+dt@...nel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>, 
	Magnus Damm <magnus.damm@...il.com>, Wolfram Sang <wsa+renesas@...g-engineering.com>, 
	linux-renesas-soc@...r.kernel.org, linux-i2c@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>, 
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH v3 2/4] i2c: riic: Introduce helper functions for I2C
 read/write operations

On Tue, Mar 19, 2024 at 2:26 PM Prabhakar <prabhakar.csengg@...il.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
>
> Introduce helper functions for performing I2C read and write operations
> in the RIIC driver.
>
> These helper functions lay the groundwork for adding support for the
> RZ/V2H SoC. This is essential because the register offsets for the RZ/V2H
> SoC differ from those of the RZ/A SoC. By abstracting the read and write
> operations, we can seamlessly adapt the driver to support different SoC
> variants without extensive modifications.
>
> This patch is part of the preparation process for integrating support for
> the RZ/V2H SoC into the RIIC driver.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> ---
> v2->v3
> - Made val as second argument for riic_writeb

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68korg

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