linux-kernel - Re: [PATCH v5 4/4] PM: Devfreq: Add Exynos5-bus devfreq driver for Exynos5250

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Message-ID: <CAJ0PZbT5csFuLpxTTTXqCOApYsOKM4z8r-cTAL3w3vLmA8mKvw@mail.gmail.com>
Date:	Tue, 5 Feb 2013 18:56:31 +0900
From:	MyungJoo Ham <myungjoo.ham@...sung.com>
To:	Abhilash Kesavan <a.kesavan@...sung.com>
Cc:	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
	Jonghwan Choi <jhbird.choi@...sung.com>,
	Kukjin Kim <kgene.kim@...sung.com>
Subject: Re: [PATCH v5 4/4] PM: Devfreq: Add Exynos5-bus devfreq driver for Exynos5250

On Mon, Feb 4, 2013 at 9:14 PM, Abhilash Kesavan <a.kesavan@...sung.com> wrote:
> Exynos5-bus device devfreq driver monitors PPMU counters and
> adjusts operating frequencies and voltages with OPP. ASV should
> be used to provide appropriate voltages as per the speed group
> of the SoC rather than using a constant 1.025V.

applied. thanks.



ps. Devfreq patches are stacking up at devfreq's for-rafael branch and
will be pull-requested for 3.9 soon.



>
> Signed-off-by: Abhilash Kesavan <a.kesavan@...sung.com>
> Cc: Jonghwan Choi <jhbird.choi@...sung.com>
> Cc: Kukjin Kim <kgene.kim@...sung.com>
> ---
> Changes since RFC v1:
> * Moved the Exynos5 PPMU driver to machine specific directory
> * Migrated to the PM QOS framework
> Changes since v2:
> * Moved the PPMU driver to drivers/devfreq/exynos
> * Fixed whitespace, commenting, empty lines in PPMU driver
> Changes since v3:
> * Removed the custom devfreq monitor and PPMU polling function
> * Moved exynos5 PPMU access functions to the devfreq driver
> Changes since v4:
> * Fixed compilation errors due to presence of devinit/devexit
> * Moved exynos ppmu header to the drivers/devfreq/exynos directory
>

-- 
MyungJoo Ham, Ph.D.
Mobile Software Platform Lab, DMC Business, Samsung Electronics
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