linux-kernel - Re: [PATCH 187/228] cpufreq: cris: remove calls to cpufreq_notify

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Message-ID: <20130913152649.GI32443@axis.com>
Date:	Fri, 13 Sep 2013 17:26:49 +0200
From:	Jesper Nilsson <jesper.nilsson@...s.com>
To:	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	"rjw@...k.pl" <rjw@...k.pl>,
	"linaro-kernel@...ts.linaro.org" <linaro-kernel@...ts.linaro.org>,
	"patches@...aro.org" <patches@...aro.org>,
	"cpufreq@...r.kernel.org" <cpufreq@...r.kernel.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Jesper Nilsson <jespern@...s.com>,
	Mikael Starvik <starvik@...s.com>,
	linux-cris-kernel <linux-cris-kernel@...s.com>
Subject: Re: [PATCH 187/228] cpufreq: cris: remove calls to
 cpufreq_notify_transition()

On Fri, Sep 13, 2013 at 03:02:13PM +0200, Viresh Kumar wrote:
> Most of the drivers do following in their ->target_index() routines:
> 
> 	struct cpufreq_freqs freqs;
> 	freqs.old = old freq...
> 	freqs.new = new freq...
> 
> 	cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
> 
> 	/* Change rate here */
> 
> 	cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
> 
> This is replicated over all cpufreq drivers today and there doesn't exists a
> good enough reason why this shouldn't be moved to cpufreq core instead.
> 
> Earlier patches have added support in cpufreq core to do cpufreq notification on
> frequency change, this one removes it from this driver.
> 
> Some related minor cleanups are also done along with it.

Acked-by: Jesper Nilsson <jesper.nilsson@...s.com>

> Cc: Mikael Starvik <starvik@...s.com>
> Cc: linux-cris-kernel@...s.com
> Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>

/^JN - Jesper Nilsson
-- 
               Jesper Nilsson -- jesper.nilsson@...s.com
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