linux-kernel - Re: [PATCH V3 04/10] dt-bindings: remoteproc: qcom,sc7280-mss-pil: Update memory-region

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Date:   Wed, 11 Jan 2023 07:29:11 -0600
From:   Rob Herring <robh@...nel.org>
To:     Sibi Sankar <quic_sibis@...cinc.com>
Cc:     agross@...nel.org, amit.pundir@...aro.org,
        devicetree@...r.kernel.org, sumit.semwal@...aro.org,
        krzysztof.kozlowski+dt@...aro.org, andersson@...nel.org,
        robh+dt@...nel.org, konrad.dybcio@...ainline.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        robin.murphy@....com, will@...nel.org, regressions@...mhuis.info,
        manivannan.sadhasivam@...aro.org, catalin.marinas@....com
Subject: Re: [PATCH V3 04/10] dt-bindings: remoteproc: qcom,sc7280-mss-pil:
 Update memory-region


On Wed, 11 Jan 2023 17:13:31 +0530, 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
> 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 SC7280 SoC.
> 
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Signed-off-by: Sibi Sankar <quic_sibis@...cinc.com>
> ---
> 
> v3:
>  * remove double space [Krzysztof]
>  * Pickup R-b
> 
> v2:
>  * Pad commit message to explain bindings break [Krzysztof]
>  * Split dt/bindings per SoC  [Krzysztof]
> 
>  .../devicetree/bindings/remoteproc/qcom,sc7280-mss-pil.yaml    | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 

Running 'make dtbs_check' with the schema in this patch gives the
following warnings. Consider if they are expected or the schema is
incorrect. These may not be new warnings.

Note that it is not yet a requirement to have 0 warnings for dtbs_check.
This will change in the future.

Full log is available here: https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20230111114337.24782-5-quic_sibis@quicinc.com


remoteproc@...0000: memory-region: [[226], [227]] is too short
	arch/arm64/boot/dts/qcom/sc7280-idp.dtb

remoteproc@...0000: memory-region: [[231], [232]] is too short
	arch/arm64/boot/dts/qcom/sc7280-idp2.dtb

remoteproc@...0000: memory-region: [[234], [235]] is too short
	arch/arm64/boot/dts/qcom/sc7280-crd-r3.dtb

remoteproc@...0000: memory-region: [[240], [241]] is too short
	arch/arm64/boot/dts/qcom/sc7280-herobrine-villager-r0.dtb

remoteproc@...0000: memory-region: [[243], [244]] is too short
	arch/arm64/boot/dts/qcom/sc7280-herobrine-crd.dtb
	arch/arm64/boot/dts/qcom/sc7280-herobrine-villager-r1-lte.dtb

remoteproc@...0000: memory-region: [[248], [249]] is too short
	arch/arm64/boot/dts/qcom/sc7280-herobrine-zombie-lte.dtb

remoteproc@...0000: memory-region: [[251], [252]] is too short
	arch/arm64/boot/dts/qcom/sc7280-herobrine-herobrine-r1.dtb

remoteproc@...0000: memory-region: [[252], [253]] is too short
	arch/arm64/boot/dts/qcom/sc7280-herobrine-evoker-lte.dtb

remoteproc@...0000: qcom,halt-regs:0: [231] is too short
	arch/arm64/boot/dts/qcom/sc7280-idp.dtb

remoteproc@...0000: qcom,halt-regs:0: [236] is too short
	arch/arm64/boot/dts/qcom/sc7280-idp2.dtb

remoteproc@...0000: qcom,halt-regs:0: [239] is too short
	arch/arm64/boot/dts/qcom/sc7280-crd-r3.dtb

remoteproc@...0000: qcom,halt-regs:0: [245] is too short
	arch/arm64/boot/dts/qcom/sc7280-herobrine-villager-r0.dtb

remoteproc@...0000: qcom,halt-regs:0: [248] is too short
	arch/arm64/boot/dts/qcom/sc7280-herobrine-crd.dtb
	arch/arm64/boot/dts/qcom/sc7280-herobrine-villager-r1-lte.dtb

remoteproc@...0000: qcom,halt-regs:0: [253] is too short
	arch/arm64/boot/dts/qcom/sc7280-herobrine-zombie-lte.dtb

remoteproc@...0000: qcom,halt-regs:0: [256] is too short
	arch/arm64/boot/dts/qcom/sc7280-herobrine-herobrine-r1.dtb

remoteproc@...0000: qcom,halt-regs:0: [257] is too short
	arch/arm64/boot/dts/qcom/sc7280-herobrine-evoker-lte.dtb