linux-kernel - Re: [PATCH v7 04/12] i2c: rtl9300: use regmap fields and API for registers

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Message-ID: <aNW0jiJQHcS-FKwr@shikoro>
Date: Thu, 25 Sep 2025 23:30:54 +0200
From: Wolfram Sang <wsa+renesas@...g-engineering.com>
To: Jonas Jelonek <jelonek.jonas@...il.com>
Cc: Chris Packham <chris.packham@...iedtelesis.co.nz>,
	Andi Shyti <andi.shyti@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>, linux-i2c@...r.kernel.org,
	Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Markus Stockhausen <markus.stockhausen@....de>,
	Sven Eckelmann <sven@...fation.org>,
	Harshal Gohel <hg@...onwunderlich.de>
Subject: Re: [PATCH v7 04/12] i2c: rtl9300: use regmap fields and API for
 registers

On Sun, Aug 31, 2025 at 10:04:49AM +0000, Jonas Jelonek wrote:
> Adapt the RTL9300 I2C controller driver to use more of the regmap
> API, especially make use of reg_field and regmap_field instead of macros
> to represent registers. Most register operations are performed through
> regmap_field_* API then.
> 
> Handle SCL selection using separate chip-specific functions since this
> is already known to differ between the Realtek SoC families in such a
> way that this cannot be properly handled using just a different
> reg_field.
> 
> This makes it easier to add support for newer generations or to handle
> differences between specific revisions within a series. Just by
> defining a separate driver data structure with the corresponding
> register field definitions and linking it to a new compatible.
> 
> Signed-off-by: Jonas Jelonek <jelonek.jonas@...il.com>
> Tested-by: Sven Eckelmann <sven@...fation.org>
> Reviewed-by: Chris Packham <chris.packham@...iedtelesis.co.nz>
> Tested-by: Chris Packham <chris.packham@...iedtelesis.co.nz> # On RTL9302C based board
> Tested-by: Markus Stockhausen <markus.stockhausen@....de>

I wanted to apply the rest of this series but applying fails. Can you
kindly rebase it to 6.17-rc5 or later?


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