From: Nishanth Menon <nm@ti.com>
To: mohamed@e-consystems.com
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>,
OMAP-KML <linux-omap@vger.kernel.org>
Subject: Re: How to enable dvfs in omap.
Date: Sat, 12 Feb 2011 17:21:18 +0530 [thread overview]
Message-ID: <4D567436.2090602@ti.com> (raw)
In-Reply-To: <4D566B36.8000008@e-consystems.com>
Mohamed Thalib H wrote, on 02/12/2011 04:42 PM:
> Hi Santosh,
>
> Thanks for the help .
>
> Regareds,
> Mohamed Thalib H.
>
> On Saturday 12 February 2011 04:27 PM, Santosh Shilimkar wrote:
>>> -----Original Message-----
>>> From: linux-omap-owner@vger.kernel.org [mailto:linux-omap-
>>> owner@vger.kernel.org] On Behalf Of Mohamed Thalib H
>>> Sent: Saturday, February 12, 2011 4:20 PM
>>> To: OMAP-KML
>>> Subject: How to enable dvfs in omap.
>>>
>>> Hi all,
>>>
>>> I am using omap 2.6.37 running overo board. I have enabled the
>>> following
>>> option in the kernel menunconfig,
>>>
>>>
>>> CPU Power Management --->
>>> │ │ [*] CPU Frequency scaling
>>> │ │ [ ] Enable CPUfreq debugging
>>> │ │<*> CPU frequency translation statistics
>>> │ │ [*] CPU frequency translation statistics details
>>> │ │ Default CPUFreq governor (ondemand) --->
>>> │ │ -*- 'performance' governor
>>> │ │<M> 'powersave' governor
>>> │ │<*> 'userspace' governor for userspace frequency scaling
>>> │ │ -*- 'ondemand' cpufreq policy governor
>>> │ │<*> 'conservative' cpufreq governor
>>> │ │ [ ] CPU idle PM support
>>>
>>>
>>> but still I could find the sys and entry in
>>> /sys/devices/system/cpu/cpufreq/ directory. Could some one help me
>>> to enable DVFS.
>>>
>> That's because tts not supported yet.
>> You may want to look at this[1] series which is in progress
>> to enable the support.
>>
>>
>> Regards,
>> Santosh
>>
>> [1] [PATCH 00/13] OMAP: Basic DVFS Framework
>> http://www.spinics.net/lists/linux-omap/msg44393.html
if you are interested,
I rebased the last set with k.org and fixes from pm tree for development
for smartreflex class 1.5 here:
http://gitorious.org/linux-omap-nm-sr/linux-omap-sr/commits/dvfs
git://gitorious.org/linux-omap-nm-sr/linux-omap-sr.git
branch: dvfs
--
Regards,
Nishanth Menon
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next prev parent reply other threads:[~2011-02-12 11:51 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-12 10:49 How to enable dvfs in omap Mohamed Thalib H
2011-02-12 10:57 ` Santosh Shilimkar
2011-02-12 11:12 ` Mohamed Thalib H
2011-02-12 11:51 ` Nishanth Menon [this message]
2011-02-12 12:21 ` Mohamed Thalib H
2011-02-13 15:09 ` Kahn, Gery
2011-02-13 15:43 ` Nishanth Menon
2011-02-14 9:06 ` Kahn, Gery
2011-02-14 9:21 ` Menon, Nishanth
2011-02-13 15:38 ` Koen Kooi
2011-02-13 15:47 ` Nishanth Menon
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