linux-kernel - Re: [PATCH v2 1/2] dt-bindings: PCI: qcom,pcie-ep-sa8255p: Document firmware managed PCIe endpoint

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Message-Id: <176589894648.2511603.9461849499751093485.robh@kernel.org>
Date: Tue, 16 Dec 2025 09:29:06 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Mrinmay Sarkar <mrinmay.sarkar@....qualcomm.com>
Cc: linux-pci@...r.kernel.org, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, linux-kernel@...r.kernel.org, 
 konrad.dybcio@....qualcomm.com, linux-arm-msm@...r.kernel.org, 
 quic_shazhuss@...cinc.com, Bjorn Helgaas <bhelgaas@...gle.com>, 
 Philipp Zabel <p.zabel@...gutronix.de>, 
 Krishna Chaitanya Chundru <krishna.chundru@....qualcomm.com>, 
 Manivannan Sadhasivam <manivannan.sadhasivam@....qualcomm.com>, 
 Krzysztof Wilczyński <kwilczynski@...nel.org>, 
 Rama Krishna <quic_ramkri@...cinc.com>, quic_vbadigan@...cinc.com, 
 Nitesh Gupta <quic_nitegupt@...cinc.com>, 
 Ayiluri Naga Rashmi <quic_nayiluri@...cinc.com>, 
 Bjorn Andersson <andersson@...nel.org>, devicetree@...r.kernel.org, 
 Lorenzo Pieralisi <lpieralisi@...nel.org>, 
 Manivannan Sadhasivam <mani@...nel.org>
Subject: Re: [PATCH v2 1/2] dt-bindings: PCI: qcom,pcie-ep-sa8255p:
 Document firmware managed PCIe endpoint


On Tue, 16 Dec 2025 19:19:17 +0530, Mrinmay Sarkar wrote:
> Document the required configuration to enable the PCIe Endpoint controller
> on SA8255p which is managed by firmware using power-domain based handling.
> 
> Signed-off-by: Mrinmay Sarkar <mrinmay.sarkar@....qualcomm.com>
> ---
>  .../bindings/pci/qcom,pcie-ep-sa8255p.yaml         | 110 +++++++++++++++++++++
>  1 file changed, 110 insertions(+)
> 

My bot found errors running 'make dt_binding_check' on your patch:

yamllint warnings/errors:

dtschema/dtc warnings/errors:
Documentation/devicetree/bindings/pci/qcom,pcie-ep-sa8255p.example.dtb: /example-0/soc/pcie-ep@...0000: failed to match any schema with compatible: ['qcom,sa8255p-pcie-ep']

doc reference errors (make refcheckdocs):

See https://patchwork.kernel.org/project/devicetree/patch/20251216-firmware_managed_ep-v2-1-7a731327307f@oss.qualcomm.com

The base for the series is generally the latest rc1. A different dependency
should be noted in *this* patch.

If you already ran 'make dt_binding_check' and didn't see the above
error(s), then make sure 'yamllint' is installed and dt-schema is up to
date:

pip3 install dtschema --upgrade

Please check and re-submit after running the above command yourself. Note
that DT_SCHEMA_FILES can be set to your schema file to speed up checking
your schema. However, it must be unset to test all examples with your schema.