linux-kernel - Re: [PATCH 3/4] dt-bindings: soc: qcom: Add RSC power domain specifier

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Message-ID: <5d544ca0.1c69fb81.a98a7.19e1@mx.google.com>
Date:   Wed, 14 Aug 2019 11:02:07 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Maulik Shah <mkshah@...eaurora.org>, agross@...nel.org,
        david.brown@...aro.org, linux-arm-msm@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        bjorn.andersson@...aro.org, evgreen@...omium.org,
        dianders@...omium.org, rnayak@...eaurora.org, ilina@...eaurora.org,
        lsrao@...eaurora.org, ulf.hansson@...aro.org,
        Maulik Shah <mkshah@...eaurora.org>, devicetree@...r.kernel.org
Subject: Re: [PATCH 3/4] dt-bindings: soc: qcom: Add RSC power domain specifier

Quoting Maulik Shah (2019-08-13 01:24:41)
> In addition to transmitting resource state requests to the remote
> processor, the RSC is responsible for powering off/lowering the
> requirements from CPUs subsystem for the associated hardware like
> buses, clocks, and regulators when all CPUs and cluster is powered down.
> 
> The power domain is configured to a low power state and when all the
> CPUs are powered down, the RSC can lower resource state requirements
> and power down the rails that power the CPUs.
> 
> Add PM domain specifier property for RSC controller.
> 
> Cc: devicetree@...r.kernel.org
> Signed-off-by: Maulik Shah <mkshah@...eaurora.org>
> ---

Reviewed-by: Stephen Boyd <swboyd@...omium.org>