linux-kernel - Re: [PATCH v3 3/3] arm64: qcom: sc7280: Move phy, perst to root port node

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Message-ID: <20250423153747.GA563929-robh@kernel.org>
Date: Wed, 23 Apr 2025 10:37:47 -0500
From: Rob Herring <robh@...nel.org>
To: Krishna Chaitanya Chundru <krishna.chundru@....qualcomm.com>
Cc: Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kw@...ux.com>,
	Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konradybcio@...nel.org>,
	cros-qcom-dts-watchers@...omium.org, linux-arm-msm@...r.kernel.org,
	linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, quic_vbadigan@...cinc.com,
	quic_mrana@...cinc.com
Subject: Re: [PATCH v3 3/3] arm64: qcom: sc7280: Move phy, perst to root port
 node

On Sat, Apr 19, 2025 at 10:49:26AM +0530, Krishna Chaitanya Chundru wrote:
> There are many places we agreed to move the wake and perst gpio's
> and phy etc to the pcie root port node instead of bridge node[1].
> 
> So move the phy, phy-names, wake-gpio's in the root port.
> There is already reset-gpio defined for PERST# in pci-bus-common.yaml,
> start using that property instead of perst-gpio.

Moving the properties will break existing kernels. If that doesn't 
matter for these platforms, say so in the commit msg.

> 
> [1] https://lore.kernel.org/linux-pci/20241211192014.GA3302752@bhelgaas/
> 
> Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@....qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts   | 5 ++++-
>  arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi | 5 ++++-
>  arch/arm64/boot/dts/qcom/sc7280-idp.dtsi       | 5 ++++-
>  arch/arm64/boot/dts/qcom/sc7280.dtsi           | 6 ++----
>  4 files changed, 14 insertions(+), 7 deletions(-)