linux-kernel - Re: [PATCH v3 1/3] dt-bindings: reserved-memory: rmtfs: Make qcom,vmid an array

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Message-ID: <2bc5d781-499b-fe39-2dc5-92bc9ba8396d@linaro.org>
Date:   Mon, 9 Jan 2023 10:51:07 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        linux-arm-msm@...r.kernel.org, andersson@...nel.org,
        agross@...nel.org
Cc:     marijn.suijten@...ainline.org, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/3] dt-bindings: reserved-memory: rmtfs: Make
 qcom,vmid an array

On 09/01/2023 10:39, Konrad Dybcio wrote:
> Some SoCs mandate that the RMTFS is also assigned to the NAV VM, while
> others really don't want that. Since it has to be conditional, turn
> qcom,vmid into an u32 array so that we can handle the NAV case, as
> well as other similar ones if they pop up in the future.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
> v2 -> v3:
> Rewrite to accomodate for changes, don't pick up tags
> 
>  .../devicetree/bindings/reserved-memory/qcom,rmtfs-mem.yaml   | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/reserved-memory/qcom,rmtfs-mem.yaml b/Documentation/devicetree/bindings/reserved-memory/qcom,rmtfs-mem.yaml
> index 2998f1c8f0db..cfc2fda30eba 100644
> --- a/Documentation/devicetree/bindings/reserved-memory/qcom,rmtfs-mem.yaml
> +++ b/Documentation/devicetree/bindings/reserved-memory/qcom,rmtfs-mem.yaml
> @@ -27,9 +27,9 @@ properties:
>        identifier of the client to use this region for buffers
>  
>    qcom,vmid:
> -    $ref: /schemas/types.yaml#/definitions/uint32
> +    $ref: /schemas/types.yaml#/definitions/uint32-array
>      description: >
> -      vmid of the remote processor, to set up memory protection
> +      Array of vmids of the remote processors, to set up memory protection

You need now min and maxItems.

Best regards,
Krzysztof