linux-kernel - Re: [PATCH v4 1/2] dt-bindings: interrupt-controller: mpm: Pass MSG RAM slice through phandle

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Date:   Fri, 4 Aug 2023 22:22:10 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-kernel@...r.kernel.org,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        linux-arm-msm@...r.kernel.org, Andy Gross <agross@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Marc Zyngier <maz@...nel.org>,
        Shawn Guo <shawn.guo@...aro.org>, devicetree@...r.kernel.org
Subject: Re: [PATCH v4 1/2] dt-bindings: interrupt-controller: mpm: Pass MSG
 RAM slice through phandle

On 18.07.2023 15:20, Rob Herring wrote:
> 
> On Tue, 18 Jul 2023 14:19:10 +0200, Konrad Dybcio wrote:
>> Due to the wild nature of the Qualcomm RPM Message RAM, we can't really
>> use 'reg' to point to the MPM's slice of Message RAM without cutting into
>> an already-defined RPM MSG RAM node used for GLINK and SMEM.
>>
>> Document passing the register space as a slice of SRAM through the
>> qcom,rpm-msg-ram property. This also makes 'reg' deprecated.
>>
>> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
>> ---
>>  .../bindings/interrupt-controller/qcom,mpm.yaml    | 52 +++++++++++++++-------
>>  1 file changed, 35 insertions(+), 17 deletions(-)
>>
> 
> My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check'
> on your patch (DT_CHECKER_FLAGS is new in v5.13):
> 
> yamllint warnings/errors:
> 
> dtschema/dtc warnings/errors:
> Documentation/devicetree/bindings/interrupt-controller/qcom,mpm.example.dtb: /example-0/remoteproc-rpm: failed to match any schema with compatible: ['qcom,msm8998-rpm-proc', 'qcom,rpm-proc']

The missing schema is merged in -next via the qcom tree.. Could you give
this a review?

Konrad