linux-kernel - Re: [PATCH 04/34] cpufreq: at32ap: remove calls to cpufreq_notify

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Message-ID: <20130816055853.GA23531@samfundet.no>
Date:	Fri, 16 Aug 2013 07:58:53 +0200
From:	Hans-Christian Egtvedt <egtvedt@...fundet.no>
To:	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	rjw@...k.pl, linaro-kernel@...ts.linaro.org, patches@...aro.org,
	cpufreq@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 04/34] cpufreq: at32ap: remove calls to
 cpufreq_notify_transition()

Around Fri 16 Aug 2013 07:55:01 +0530 or thereabout, 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.
> 
> Cc: Hans-Christian Egtvedt <egtvedt@...fundet.no>
> Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>

Acked-by: Hans-Christian Egtvedt <egtvedt@...fundet.no>

> ---
>  drivers/cpufreq/at32ap-cpufreq.c | 22 +++++++++-------------
>  1 file changed, 9 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/cpufreq/at32ap-cpufreq.c b/drivers/cpufreq/at32ap-cpufreq.c

<snipp>

-- 
mvh
Hans-Christian Egtvedt
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