linux-kernel - Re: [PATCH 1/2] dt-bindings: PCI: qcom: adjust iommu-map for different SoC

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Date:   Thu, 16 Nov 2023 11:28:47 +0530
From:   Manivannan Sadhasivam <mani@...nel.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Rob Herring <robh@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: PCI: qcom: adjust iommu-map for
 different SoC

On Sun, Nov 12, 2023 at 07:45:56PM +0100, Krzysztof Kozlowski wrote:
> The PCIe controller on SDX55 has five entries in its iommu-map, MSM8998
> has one and SDM845 has sixteen, so allow wider number of items to fix
> dtbs_check warnings like:
> 
>   qcom-sdx55-mtp.dtb: pcie@...0000: iommu-map: [[0, 21, 512, 1], [256, 21, 513, 1],
>     [512, 21, 514, 1], [768, 21, 515, 1], [1024, 21, 516, 1]] is too long
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

- Mani

> ---
>  Documentation/devicetree/bindings/pci/qcom,pcie.yaml | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> index 8bfae8eb79a3..14d25e8a18e4 100644
> --- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> @@ -62,7 +62,8 @@ properties:
>      maxItems: 8
>  
>    iommu-map:
> -    maxItems: 2
> +    minItems: 1
> +    maxItems: 16
>  
>    # Common definitions for clocks, clock-names and reset.
>    # Platform constraints are described later.
> -- 
> 2.34.1
> 

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