linux-kernel - Re: [PATCH v4 5/7] cpufreq: add function to get the hardware max frequency

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Date:   Mon, 24 Feb 2020 18:44:03 +0000
From:   Valentin Schneider <valentin.schneider@....com>
To:     Ionela Voinescu <ionela.voinescu@....com>
Cc:     catalin.marinas@....com, will@...nel.org, mark.rutland@....com,
        maz@...nel.org, suzuki.poulose@....com, sudeep.holla@....com,
        lukasz.luba@....com, dietmar.eggemann@....com, rjw@...ysocki.net,
        peterz@...radead.org, mingo@...hat.com, vincent.guittot@...aro.org,
        viresh.kumar@...aro.org, linux-arm-kernel@...ts.infradead.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org
Subject: Re: [PATCH v4 5/7] cpufreq: add function to get the hardware max frequency

Ionela Voinescu writes:

> Add weak function to return the hardware maximum frequency of a CPU,
> with the default implementation returning cpuinfo.max_freq, which is
> the best information we can generically get from the cpufreq framework.
>
> The default can be overwritten by a strong function in platforms
> that want to provide an alternative implementation, with more accurate
> information, obtained either from hardware or firmware.
>
> Signed-off-by: Ionela Voinescu <ionela.voinescu@....com>
> Acked-by: Viresh Kumar <viresh.kumar@...aro.org>
> Cc: Rafael J. Wysocki <rjw@...ysocki.net>
> Cc: Viresh Kumar <viresh.kumar@...aro.org>

Reviewed-by: Valentin Schneider <valentin.schneider@....com>