linux-kernel - Re: [PATCH] dt-bindings: PCI: qcom-ep: Fix PERST register description

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Message-ID: <Y4cAZ8ZqnRvR350Z@hovoldconsulting.com>
Date:   Wed, 30 Nov 2022 08:04:07 +0100
From:   Johan Hovold <johan@...nel.org>
To:     Lorenzo Pieralisi <lpieralisi@...nel.org>
Cc:     Manivannan Sadhasivam <mani@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: PCI: qcom-ep: Fix PERST register description

On Tue, Oct 18, 2022 at 11:31:15AM +0200, Johan Hovold wrote:
> The 'qcom,perst-regs' property holds a single phandle array with the
> phandle of the TCSR syscon and offsets of the two PERST registers, but
> the current schema does not capture this.
> 
> Update the binding to describe the single phandle array and its three
> elements.
> 
> Fixes: 31c9ef002580 ("dt-bindings: PCI: Add Qualcomm PCIe Endpoint controller")
> Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
> ---
>  .../devicetree/bindings/pci/qcom,pcie-ep.yaml          | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
> index 977c976ea799..7574291646ad 100644
> --- a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
> @@ -42,13 +42,13 @@ properties:
>      maxItems: 8
>  
>    qcom,perst-regs:
> -    description: Reference to a syscon representing TCSR followed by the two
> -                 offsets within syscon for Perst enable and Perst separation
> -                 enable registers
> +    description: PERST TCSR registers
>      $ref: "/schemas/types.yaml#/definitions/phandle-array"
>      items:
> -      minItems: 3
> -      maxItems: 3
> +      - items:
> +          - description: phandle of TCSR syscon
> +          - description: offset of PERST Enable register
> +          - description: offset of PERST Separation Enable register
>  
>    interrupts:
>      items:

Lorenzo, it seems this one has not yet been picked up so sending a
reminder.

Johan