From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean Pihet Subject: Re: PM branch updated Date: Mon, 10 Aug 2009 10:26:07 +0200 Message-ID: <200908101026.07364.jpihet@mvista.com> References: <87d479921p.fsf@deeprootsystems.com> <200908071029.30047.jpihet@mvista.com> <87ws5f35xj.fsf@deeprootsystems.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from gateway-1237.mvista.com ([63.81.120.158]:37392 "EHLO gateway-1237.mvista.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750952AbZHJI0q (ORCPT ); Mon, 10 Aug 2009 04:26:46 -0400 In-Reply-To: <87ws5f35xj.fsf@deeprootsystems.com> Content-Disposition: inline Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Kevin Hilman Cc: linux-omap@vger.kernel.org Hi Kevin, On Friday 07 August 2009 19:11:20 Kevin Hilman wrote: > Jean Pihet writes: > > On Thursday 06 August 2009 19:13:06 Kevin Hilman wrote: > >> Kevin Hilman wrote: > >> > I just pushed an updated PM branch which was rebased to current > >> > omap/master (which is based on v2.6.31-rc5) > >> > >> Also, please check out > >> > >> http://elinux.org/OMAP_Power_Management > >> > >> This page includes the stuff I normally put in the announcment of a new > >> PM branch, but also tries to describe how to use the various features of > >> the PM branch (which has been sorely missing for a while.) > > > > I think this page had been long-awaited. Thanks a lot for putting it > > together. > > > > One question about it: > > > > What about the cpufreq interface for doing DVFS? Is it preferred way > > to change OPPs or is it using /sys/power/vddx_opp? I think cpufreq > > utils are more standard, easier to use and to understand. > > CPUfreq is much preferred. The /sys/power/vdd* are just for manual > testing and more fore PM developers than PM users. Ok, thanks for the confirmation. > Hey, sounds like a perfect opportunity for you to update the wiki. ;) Exactly! http://elinux.org/OMAP_Power_Management has been updated with per-feature usage, CPUfreq kernel interface and debugging info for power users ;p Can you check it? > > Kevin Jean