linux-kernel - Re: [PATCH 5/6] cpufreq: Support for fast frequency switching

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Date:	Thu, 3 Mar 2016 12:18:58 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:	Linux PM list <linux-pm@...r.kernel.org>,
	Juri Lelli <juri.lelli@....com>,
	Steve Muckle <steve.muckle@...aro.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Vincent Guittot <vincent.guittot@...aro.org>,
	Michael Turquette <mturquette@...libre.com>
Subject: Re: [PATCH 5/6] cpufreq: Support for fast frequency switching

On Wed, Mar 02, 2016 at 03:12:33AM +0100, Rafael J. Wysocki wrote:
> +void cpufreq_driver_fast_switch(struct cpufreq_policy *policy,
> +				unsigned int target_freq, unsigned int relation)
> +{
> +	unsigned int freq;
> +
> +	if (target_freq == policy->cur)
> +		return;

But what if relation is different from last time? ;-)