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Date: Fri, 15 Mar 2024 13:48:22 +0000
From: "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
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 v2 2/4] i2c: riic: Introduce helper functions for I2C
 read/write operations

Hi Geert,

Thank you for the review.

On Fri, Mar 15, 2024 at 12:59 PM Geert Uytterhoeven
<geert@...ux-m68k.org> wrote:
>
> Hi Prabhakar,
>
> On Fri, Mar 15, 2024 at 11:31 AM 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>
> > ---
> > v1->v2
> > - Renamed i2c read/write to riic_readb/riic_writeb
> > - Made riic as first parameter for riic_writeb
>
> Thanks for the update!
>
> > --- a/drivers/i2c/busses/i2c-riic.c
> > +++ b/drivers/i2c/busses/i2c-riic.c
> > @@ -105,9 +105,19 @@ struct riic_irq_desc {
> >         char *name;
> >  };
> >
> > +static inline void riic_writeb(struct riic_dev *riic, u8 offset, u8 val)
>
> Please use the same parameter order as writeb(), i.e. "val" before
> "offset"), to increase uniformity.  This also would make it easier
> to review your changes using "git {diff,show} --color-words".
>
Agreed, I will update it in the next version.

Cheers,
Prabhakar

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