From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mohamed Thalib H Subject: How to enable dvfs in omap. Date: Sat, 12 Feb 2011 16:19:56 +0530 Message-ID: <4D5665D4.2030902@e-consystems.com> Reply-To: mohamed@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 smtp7.myhsphere.biz ([204.10.105.69]:36476 "EHLO mail9.myhsphere.biz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751779Ab1BLKuD (ORCPT ); Sat, 12 Feb 2011 05:50:03 -0500 Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: OMAP-KML Hi all, I am using omap 2.6.37 running overo board. I have enabled the followin= g=20 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 sc= aling =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=20 /sys/devices/system/cpu/cpufreq/ directory. Could some one help me to=20 enable DVFS. root@overo:/sys/devices/system/cpu# ls cpu0 kernel_max online possible cpufreq offline perf_events present root@overo:/sys/devices/system/cpu# cd cpu0/ root@overo:/sys/devices/system/cpu/cpu0# ls crash_notes root@overo:/sys/devices/system/cpu/cpu0# cd .. root@overo:/sys/devices/system/cpu# cd cpufreq/ root@overo:/sys/devices/system/cpu/cpufreq# ls root@overo:/sys/devices/system/cpu/cpufreq# --=20 Regards, Mohamed Thalib H -- 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