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Message-ID: <CAKohpomuJNQmk5fg5en5usPgipj7hzXUVNMhz1MjAS-47X4Ggg@mail.gmail.com>
Date:	Thu, 12 Sep 2013 11:06:14 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Guennadi Liakhovetski <g.liakhovetski@....de>,
	Greg KH <greg@...ah.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"cpufreq@...r.kernel.org" <cpufreq@...r.kernel.org>,
	SH-Linux <linux-sh@...r.kernel.org>,
	Magnus Damm <magnus.damm@...il.com>
Subject: Re: "cpufreq: fix serialization issues with freq change notifiers"
 breaks cpufreq too

On 12 September 2013 06:13, Rafael J. Wysocki
<rafael.j.wysocki@...el.com> wrote:
> Yes, if you can point to a specific driver having this problem.

There are so many of those (I know it because I went through almost all drivers
recently with my cleanup series): cpufreq-cpu0, omap-cpufreq,
exynos-cpufreq, etc..

They all do this:

A. If new freq is more than old: Increase voltage
B. Change freq
C. If new freq is less than old: decrease voltage
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