linux-kernel - Re: [PATCH v2 1/3] dt-bindings: PCI: qcom: ep: Add interconnects path

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Message-ID: <20230608152759.GA2721945-robh@kernel.org>
Date:   Thu, 8 Jun 2023 09:27:59 -0600
From:   Rob Herring <robh@...nel.org>
To:     Krishna chaitanya chundru <quic_krichai@...cinc.com>
Cc:     manivannan.sadhasivam@...aro.org, quic_vbadigan@...cinc.com,
        quic_ramkri@...cinc.com, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        "open list:ARM/QUALCOMM SUPPORT" <linux-arm-msm@...r.kernel.org>,
        "open list:PCIE ENDPOINT DRIVER FOR QUALCOMM" 
        <linux-pci@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/3] dt-bindings: PCI: qcom: ep: Add interconnects path

On Wed, Jun 07, 2023 at 09:48:05PM +0530, Krishna chaitanya chundru wrote:
> Add the "pcie-mem" interconnect path to the bindings.
> 
> Signed-off-by: Krishna chaitanya chundru <quic_krichai@...cinc.com>
> ---
>  Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
> index b3c22eb..6fc5440 100644
> --- a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
> @@ -70,6 +70,13 @@ properties:
>      description: GPIO used as WAKE# output signal
>      maxItems: 1
>  
> +  interconnects:
> +    maxItems: 1
> +
> +  interconnect-names:
> +    items:
> +      - const: pcie-mem
> +
>    resets:
>      maxItems: 1
>  
> @@ -97,6 +104,8 @@ required:
>    - interrupts
>    - interrupt-names
>    - reset-gpios
> +  - interconnects
> +  - interconnect-names

You can't add required properties. That's an ABI break. Up to the 
platform whether that's acceptible, but you have to explain all this in 
the commmit msg.

>    - resets
>    - reset-names
>    - power-domains
> -- 
> 2.7.4
>