linux-kernel - Re: [PATCH 3/4] arm64: dts: qcom: qcm6490-fairphone-fp5: Enable CCI pull-up

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Message-ID: <aN6Gr5FcfYpKgAFM@shikoro>
Date: Thu, 2 Oct 2025 16:05:35 +0200
From: Wolfram Sang <wsa+renesas@...g-engineering.com>
To: Luca Weiss <luca.weiss@...rphone.com>
Cc: Konrad Dybcio <konrad.dybcio@....qualcomm.com>,
	Griffin Kroah-Hartman <griffin.kroah@...rphone.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org,
	Daniel Scally <djrscally@...il.com>,
	Sakari Ailus <sakari.ailus@...ux.intel.com>,
	Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konradybcio@...nel.org>,
	André Apitzsch <git@...tzsch.eu>,
	Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
	Wolfram Sang <wsa@...nel.org>, linux-media@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH 3/4] arm64: dts: qcom: qcm6490-fairphone-fp5: Enable CCI
 pull-up


> Unfortunately though this effort has stalled some years ago. There is
> "struct regulator *bus_regulator;" in "struct i2c_adapter" already and
> vbus-supply is documented in i2c-mt65xx but afaik this not functional
> because some code was ripped out ago because of some AMDGPU regressions.

Thanks for mentioning this. It all sounded familiar to me but I couldn't
put my finger exactly.


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