linux-kernel - Re: [RFC PATCH 2/4] cpuidle: menu: add idle_time to cpuidle

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Message-ID: <f4c0fba9-6f7d-3bc3-49cc-c239fba975ce@nvidia.com>
Date:   Fri, 23 Apr 2021 11:33:41 -0700
From:   Sowjanya Komatineni <skomatineni@...dia.com>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
CC:     Sudeep Holla <sudeep.holla@....com>,
        Souvik Chakravarty <souvik.chakravarty@....com>,
        Thierry Reding <thierry.reding@...il.com>,
        "Mark Rutland" <mark.rutland@....com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        "Rob Herring" <robh+dt@...nel.org>,
        Jon Hunter <jonathanh@...dia.com>, <ksitaraman@...dia.com>,
        <sanjayc@...dia.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-tegra <linux-tegra@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>
Subject: Re: [RFC PATCH 2/4] cpuidle: menu: add idle_time to cpuidle_state


On 4/23/21 5:22 AM, Rafael J. Wysocki wrote:
> On Thu, Apr 22, 2021 at 10:31 PM Sowjanya Komatineni
> <skomatineni@...dia.com>  wrote:
>> Some platforms use separate CPU firmware running in background to
>> handle state transitions which may need runtime idle time of the
>> corresponding target state from the kernel.
> How exactly does this work?
>
Explained this as part of other feedback in Patch-0

Thanks

Sowjanya