linux-kernel - Re: [PATCH V2 02/11] dt-bindings: remoteproc: qcom,msm8996-mss-pil: Update memory region

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Message-ID: <92955e76-807f-3a8f-8cbd-3fafdd8f2054@linaro.org>
Date:   Tue, 10 Jan 2023 10:35:13 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Sibi Sankar <quic_sibis@...cinc.com>, andersson@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, robh+dt@...nel.org,
        manivannan.sadhasivam@...aro.org, robin.murphy@....com
Cc:     agross@...nel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        konrad.dybcio@...ainline.org, amit.pundir@...aro.org,
        regressions@...mhuis.info, sumit.semwal@...aro.org,
        will@...nel.org, catalin.marinas@....com
Subject: Re: [PATCH V2 02/11] dt-bindings: remoteproc: qcom,msm8996-mss-pil:
 Update memory region

On 09/01/2023 04:48, Sibi Sankar wrote:
> The dynamic memory region used for metadata authentication would still
> be a part of the kernel mapping and any access to this region  by the

Just one space before "by"

> application processor after assigning it to the remote Q6 will result
> in a XPU violation. This is fixed by using a no-map carveout instead.
> Update the bindings to reflect the addition of the new modem metadata
> carveout on MSM8996 (and similar) SoCs.
> 
> Signed-off-by: Sibi Sankar <quic_sibis@...cinc.com>
> ---
>  .../bindings/remoteproc/qcom,msm8996-mss-pil.yaml  | 14 +++++++++++++-
>  1 file changed, 13 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,msm8996-mss-pil.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,msm8996-mss-pil.yaml
> index d3d3fb2fe91d..ad1a51c23949 100644
> --- a/Documentation/devicetree/bindings/remoteproc/qcom,msm8996-mss-pil.yaml
> +++ b/Documentation/devicetree/bindings/remoteproc/qcom,msm8996-mss-pil.yaml
> @@ -123,6 +123,7 @@ properties:
>      items:
>        - description: MBA reserved region
>        - description: Modem reserved region
> +      - description: Metadata reserved region
>  
>    firmware-name:
>      $ref: /schemas/types.yaml#/definitions/string-array
> @@ -165,6 +166,16 @@ properties:
>        - memory-region
>      deprecated: true
>  
> +  metadata:
> +    type: object

addutionalProperties: false

> +    description:
> +      Metadata reserved region

Blank line

> +    properties:
> +      memory-region: true

Blank line

> +    required:
> +      - memory-region
> +    deprecated: true


Best regards,
Krzysztof