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Date:   Thu, 19 Dec 2019 14:32:29 +0000
From:   Sudeep Holla <sudeep.holla@arm.com>
To:     Ulf Hansson <ulf.hansson@linaro.org>
Cc:     Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>,
        Rob Herring <robh+dt@kernel.org>, linux-pm@vger.kernel.org,
        "Rafael J . Wysocki" <rjw@rjwysocki.net>,
        Daniel Lezcano <daniel.lezcano@linaro.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Lina Iyer <ilina@codeaurora.org>,
        Vincent Guittot <vincent.guittot@linaro.org>,
        Stephen Boyd <sboyd@kernel.org>,
        Andy Gross <agross@kernel.org>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Kevin Hilman <khilman@kernel.org>,
        Sudeep Holla <sudeep.holla@arm.com>,
        linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH v4 11/14] cpuidle: psci: Manage runtime PM in the idle
 path
Message-ID: <20191219143229.GD20746@bogus>
References: <20191211154343.29765-1-ulf.hansson@linaro.org>
 <20191211154343.29765-12-ulf.hansson@linaro.org>
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On Wed, Dec 11, 2019 at 04:43:40PM +0100, Ulf Hansson wrote:
> In case we have succeeded to attach a CPU to its PM domain, let's deploy
> runtime PM support for the corresponding attached device, to allow the CPU
> to be powered-managed accordingly.
> 
> The triggering point for when runtime PM reference counting should be done,
> has been selected to the deepest idle state for the CPU. However, from the
> hierarchical point view, there may be good reasons to do runtime PM
> reference counting even on shallower idle states, but at this point this
> isn't supported, mainly due to limitations set by the generic PM domain.

Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>

--
Regards,
Sudeep