linux-kernel - Re: [PATCH v2 05/12] dt-bindings: remoteproc: Add Qualcomm RPM processor/subsystem

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Date:   Sat, 10 Jun 2023 18:52:04 +0200
From:   Stephan Gerhold <stephan@...hold.net>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Bjorn Andersson <andersson@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-remoteproc@...r.kernel.org
Subject: Re: [PATCH v2 05/12] dt-bindings: remoteproc: Add Qualcomm RPM
 processor/subsystem

On Sat, Jun 10, 2023 at 06:43:17PM +0200, Krzysztof Kozlowski wrote:
> On 08/06/2023 09:10, Stephan Gerhold wrote:
> > On Qualcomm platforms, most subsystems (e.g. audio/modem DSP) are
> > described as remote processors in the device tree, with a dedicated
> > node where properties and services related to them can be described.
> > +
> > +  smd-edge:
> > +    $ref: /schemas/remoteproc/qcom,smd-edge.yaml#
> > +    description:
> > +      Qualcomm Shared Memory subnode which represents communication edge,
> > +      channels and devices related to the RPM subsystem.
> > +
> > +  glink-rpm:
> 
> This should be "glink-edge", to be a bit more generic and match existing
> smd-edge.
> 

I fully agree and I actually made that change at some point before
sending v1. Unfortunately, it doesn't work: The node name "glink-edge"
is already reserved by qcom,glink-edge.yaml. While it's very similar it
has some subtle differences to glink-rpm-edge.yaml. For example, there
is no qcom,remote-pid in the RPM variant which is required by the normal
glink-edge.

Would "glink-rpm-edge" sound better?

Thanks,
Stephan