linux-kernel - Re: [PATCH v3 06/13] dt-bindings: remoteproc: Add Qualcomm RPM processor/subsystem

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Message-ID: <d2641843-3c00-2b38-709b-0f418328d525@linaro.org>
Date:   Sat, 17 Jun 2023 10:05:14 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Stephan Gerhold <stephan@...hold.net>,
        Bjorn Andersson <andersson@...nel.org>
Cc:     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 v3 06/13] dt-bindings: remoteproc: Add Qualcomm RPM
 processor/subsystem

On 15/06/2023 18:50, 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.
> 
> The Resource Power Manager (RPM) is also such a subsystem, with a
> remote processor that is running a special firmware. Unfortunately,
> the RPM never got a dedicated node representing it properly in the
> device tree. Most of the RPM services are described below a top-level
> /smd or /rpm-glink node.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Best regards,
Krzysztof