From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nishanth Menon Subject: Re: How to enable dvfs in omap. Date: Sat, 12 Feb 2011 17:21:18 +0530 Message-ID: <4D567436.2090602@ti.com> References: <4D5665D4.2030902@e-consystems.com> <4D566B36.8000008@e-consystems.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from na3sys009aog116.obsmtp.com ([74.125.149.240]:42878 "EHLO na3sys009aog116.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752310Ab1BLLv1 (ORCPT ); Sat, 12 Feb 2011 06:51:27 -0500 Received: by mail-yx0-f182.google.com with SMTP id 35so1499468yxh.27 for ; Sat, 12 Feb 2011 03:51:26 -0800 (PST) In-Reply-To: <4D566B36.8000008@e-consystems.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: mohamed@e-consystems.com Cc: Santosh Shilimkar , OMAP-KML 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 ---> >>> =E2=94=82 =E2=94=82 [*] CPU Frequency scaling >>> =E2=94=82 =E2=94=82 [ ] Enable CPUfreq debugging >>> =E2=94=82 =E2=94=82<*> CPU frequency translation statistics >>> =E2=94=82 =E2=94=82 [*] CPU frequency translation statistics detail= s >>> =E2=94=82 =E2=94=82 Default CPUFreq governor (ondemand) ---> >>> =E2=94=82 =E2=94=82 -*- 'performance' governor >>> =E2=94=82 =E2=94=82 'powersave' governor >>> =E2=94=82 =E2=94=82<*> 'userspace' governor for userspace frequency= scaling >>> =E2=94=82 =E2=94=82 -*- 'ondemand' cpufreq policy governor >>> =E2=94=82 =E2=94=82<*> 'conservative' cpufreq governor >>> =E2=94=82 =E2=94=82 [ ] 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 developmen= t=20 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 --=20 Regards, Nishanth Menon -- To unsubscribe from this list: send the line "unsubscribe linux-omap" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html