linux-kernel - Re: [PATCH] cpufreq: Find transition latency dynamically

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Message-ID: <20170630035844.GW29665@vireshk-i7>
Date:   Fri, 30 Jun 2017 09:28:44 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     Rafael Wysocki <rjw@...ysocki.net>,
        Lists linaro-kernel <linaro-kernel@...ts.linaro.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Vincent Guittot <vincent.guittot@...aro.org>
Subject: Re: [PATCH] cpufreq: Find transition latency dynamically

On 29-06-17, 22:34, Rafael J. Wysocki wrote:
> Shouldn't drivers do that really?

Well they can, but the we will have some sort of code duplication
then. Or else we can provide a helper for them to find this value
dynamically and that would be fine too. And maybe we can add a
callback for the cpufreq-driver, which can be filled by the generic
helper and core can call it once at policy initialization time.

-- 
viresh