linux-kernel - Re: [PATCH 1/8] cpufreq: Auto-register with energy model if asked

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Message-ID: <20210810093828.drel3kuurmhd4ki7@vireshk-i7>
Date:   Tue, 10 Aug 2021 15:08:28 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Lukasz Luba <lukasz.luba@....com>
Cc:     Rafael Wysocki <rjw@...ysocki.net>,
        Vincent Donnefort <vincent.donnefort@....com>,
        linux-pm@...r.kernel.org,
        Vincent Guittot <vincent.guittot@...aro.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/8] cpufreq: Auto-register with energy model if asked

On 10-08-21, 10:36, Lukasz Luba wrote:
> The of_cpufreq_cooling_register() should be called after the EM
> is present for the CPU device. When you check that function,
> you will see that we call
> em_cpu_get(policy->cpu)
> to get the EM pointer. Otherwise IPA might fail.

Good point.

-- 
viresh