linux-kernel - Re: [PATCH] cpufreq: ondemand: Replace down_differential tuner with adj_up

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Message-ID: <CAOh2x=ksAibntsfGm51r+JiQOAhHYYmHF1o=_H97fSKqGcq_mQ@mail.gmail.com>
Date:	Wed, 6 Feb 2013 11:05:45 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Stratos Karafotis <stratosk@...aphore.gr>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>, cpufreq@...r.kernel.org,
	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cpufreq: ondemand: Replace down_differential tuner with adj_up_threshold

On Wed, Feb 6, 2013 at 2:34 AM, Stratos Karafotis <stratosk@...aphore.gr> wrote:
> In order to avoid the calculation of up_threshold - down_differential
> every time that the frequency must be decreased, we replace the
> down_differential tuner with the adj_up_threshold which keeps the
> difference across multiple checks.
>
> Update the adj_up_threshold only when the up_theshold is also updated.
>
> Signed-off-by: Stratos Karafotis <stratosk@...aphore.gr>
> ---
>  drivers/cpufreq/cpufreq_governor.h |  2 +-
>  drivers/cpufreq/cpufreq_ondemand.c | 16 ++++++++++------
>  2 files changed, 11 insertions(+), 7 deletions(-)

Makes sense.

Acked-by: Viresh Kumar <viresh.kumar@...aro.org>
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