linux-kernel - Re: [PATCH v4 2/7] cpufreq: Add boost frequency support in core

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Date:	Fri, 28 Jun 2013 09:10:53 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Lukasz Majewski <l.majewski@...sung.com>
Cc:	"Rafael J. Wysocky" <rjw@...k.pl>,
	"cpufreq@...r.kernel.org" <cpufreq@...r.kernel.org>,
	Linux PM list <linux-pm@...r.kernel.org>,
	Vincent Guittot <vincent.guittot@...aro.org>,
	Jonghwa Lee <jonghwa3.lee@...sung.com>,
	Myungjoo Ham <myungjoo.ham@...sung.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Lukasz Majewski <l.majewski@...ess.pl>,
	Andre Przywara <andre.przywara@...aro.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Zhang Rui <rui.zhang@...el.com>,
	Eduardo Valentin <eduardo.valentin@...com>
Subject: Re: [PATCH v4 2/7] cpufreq: Add boost frequency support in core

On 27 June 2013 21:25, Lukasz Majewski <l.majewski@...sung.com> wrote:
> On Wed, 26 Jun 2013 16:24:32 +0530, Viresh Kumar wrote:
>> > +       if (boost_enabled != state) {
>> > +               write_lock_irqsave(&cpufreq_driver_lock, flags);
>> > +               boost_enabled = state;
>> > +               if (cpufreq_driver->enable_boost)
>> > +                       ret = cpufreq_driver->enable_boost(state);
>> > +               else
>> > +                       ret = cpufreq_boost_trigger_state_sw();
>
> I will use only one call to cpufreq_driver->enable_boost(state) [*] with
> either cpufreq_boost_enable_sw() (function with SW boost handling) or
>  the one provided by cpufreq driver.
>
> Only when cpufreq driver doesn't provide [*], it will be filled with
> "default" cpufreq_boost_enable_sw().

I didn't get it completely. You are saying you will send a function pointer
now?
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