linux-kernel - Re: [PATCH v7 5/7] dt-bindings: PCI: qcom: Document the IPQ5332 PCIe controller

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Message-ID: <20250123-red-unicorn-of-piety-3c7de5@krzk-bin>
Date: Thu, 23 Jan 2025 08:58:29 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Varadarajan Narayanan <quic_varada@...cinc.com>
Cc: bhelgaas@...gle.com, lpieralisi@...nel.org, kw@...ux.com, 
	manivannan.sadhasivam@...aro.org, robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org, 
	vkoul@...nel.org, kishon@...nel.org, andersson@...nel.org, konradybcio@...nel.org, 
	p.zabel@...gutronix.de, dmitry.baryshkov@...aro.org, quic_nsekar@...cinc.com, 
	linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org
Subject: Re: [PATCH v7 5/7] dt-bindings: PCI: qcom: Document the IPQ5332 PCIe
 controller

On Wed, Jan 22, 2025 at 12:04:09PM +0530, Varadarajan Narayanan wrote:
> Document the PCIe controller on IPQ5332 platform. IPQ5332 will
> use IPQ9574 as the fall back compatible.
> 
> Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
> ---
> v7: Moved ipq9574 related changes to a separate patch
>     Add 'global' interrupt
> 
> v6: Commit message update only. Add info regarding the moving of
>     ipq9574 from 5 "reg" definition to 5 or 6 reg definition.
> 
> v5: Re-arrange 5332 and 9574 compatibles to handle fallback usage in dts
> 
> v4: * v3 reused ipq9574 bindings for ipq5332. Instead add one for ipq5332
>     * DTS uses ipq9574 compatible as fallback. Hence move ipq9574 to be able
>       to use the 'reg' section for both ipq5332 and ipq9574. Else, dtbs_check
>       and dt_binding_check flag errors.
> ---
>  .../devicetree/bindings/pci/qcom,pcie.yaml          | 13 +++++++++++--
>  1 file changed, 11 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> index 413c6b76c26c..ead97286fd41 100644
> --- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> @@ -34,6 +34,10 @@ properties:
>        - items:
>            - const: qcom,pcie-msm8998
>            - const: qcom,pcie-msm8996
> +      - items:
> +          - enum:
> +              - qcom,pcie-ipq5332
> +          - const: qcom,pcie-ipq9574

Repeated many times on reviews to qcom: don't add to the end of the
lists. In case of multiple items, these are ordered by fallback, so this
goes next to other ipq entry... wait, that's already qcom,pcie-ipq9574,
so why are you duplicating?

On what tree are you working?

Best regards,
Krzysztof