From mboxrd@z Thu Jan 1 00:00:00 1970 From: Santosh Shilimkar Subject: RE: How to enable dvfs in omap. Date: Sat, 12 Feb 2011 16:27:51 +0530 Message-ID: References: <4D5665D4.2030902@e-consystems.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from na3sys009aog101.obsmtp.com ([74.125.149.67]:36897 "EHLO na3sys009aog101.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751051Ab1BLK55 convert rfc822-to-8bit (ORCPT ); Sat, 12 Feb 2011 05:57:57 -0500 Received: by wwi17 with SMTP id 17so387370wwi.5 for ; Sat, 12 Feb 2011 02:57:54 -0800 (PST) In-Reply-To: <4D5665D4.2030902@e-consystems.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: mohamed@e-consystems.com, OMAP-KML > -----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 details > =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 -- 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