linux-kernel - Re: [RFC PATCH 0/3] i2c: Introduce i2c bus extensions

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Message-ID: <Z-5Rv87HSWZjFDF8@shikoro>
Date: Thu, 3 Apr 2025 11:15:43 +0200
From: Wolfram Sang <wsa+renesas@...g-engineering.com>
To: Herve Codina <herve.codina@...tlin.com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, linux-i2c@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	Luca Ceresoli <luca.ceresoli@...tlin.com>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [RFC PATCH 0/3] i2c: Introduce i2c bus extensions

On Wed, Feb 05, 2025 at 06:39:13PM +0100, Herve Codina wrote:
> The big picture behind this RFC series is to support a Linux device
> with a connector to physically add and remove an add-on to/from the
> main device to augment its features at runtime, adding devices on
> non-discoverable busses, using device tree overlays.

I didn't test the actual feature, but I did test this on my Renesas
Lager board (R-Car H2) including its use of the notorious
i2c-demux-pinctrl driver (Thanks for taking care of it!). No regressions
discovered, so for that part:

Tested-by: Wolfram Sang <wsa+renesas@...g-engineering.com>


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