linux-kernel - Re: [PATCH v3 2/3] dt-bindings: pci: QCOM Add missing sc7280 aggre0, aggre1 clocks

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Message-ID: <5630d0e7-bdfb-36f4-6cd8-9ca986bb2a11@linaro.org>
Date:   Wed, 7 Sep 2022 14:22:06 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Krishna chaitanya chundru <quic_krichai@...cinc.com>,
        helgaas@...nel.org
Cc:     linux-pci@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, mka@...omium.org,
        quic_vbadigan@...cinc.com, quic_hemantk@...cinc.com,
        quic_nitegupt@...cinc.com, quic_skananth@...cinc.com,
        quic_ramkri@...cinc.com, manivannan.sadhasivam@...aro.org,
        swboyd@...omium.org, dmitry.baryshkov@...aro.org,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Stanimir Varbanov <svarbanov@...sol.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH v3 2/3] dt-bindings: pci: QCOM Add missing sc7280 aggre0,
 aggre1 clocks

On 03/09/2022 04:13, Krishna chaitanya chundru wrote:
> Add missing aggre0 and aggre1 clocks.
> 
> Signed-off-by: Krishna chaitanya chundru <quic_krichai@...cinc.com>
> ---
> changes since v2:
> 	- Increase the max items of clock's in common properties.
> ---
>  Documentation/devicetree/bindings/pci/qcom,pcie.yaml | 10 ++++++----
>  1 file changed, 6 insertions(+), 4 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> index 0b69b12..b759465 100644
> --- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> @@ -53,11 +53,11 @@ properties:
>    # Platform constraints are described later.
>    clocks:
>      minItems: 3
> -    maxItems: 12
> +    maxItems: 13
>  
>    clock-names:
>      minItems: 3
> -    maxItems: 12
> +    maxItems: 13
>  
>    resets:
>      minItems: 1
> @@ -423,8 +423,8 @@ allOf:
>      then:
>        properties:
>          clocks:
> -          minItems: 11
> -          maxItems: 11
> +          minItems: 13
> +          maxItems: 13
>          clock-names:
>            items:
>              - const: pipe # PIPE clock
> @@ -437,6 +437,8 @@ allOf:
>              - const: bus_slave # Slave AXI clock
>              - const: slave_q2a # Slave Q2A clock
>              - const: tbu # PCIe TBU clock
> +            - const: aggre0 # Aggre NoC PCIe CENTER SF AXI clock
> +            - const: aggre1 # Aggre NoC PCIe1 AXI clock
>              - const: ddrss_sf_tbu # PCIe SF TBU clock

Why adding them in the middle, not at the end of list? It does not match
other variants and affects the DTB ABI (order is strict).

Best regards,
Krzysztof