From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kevin Hilman Subject: Re: PM branch rebased to 2.6.29... for real this time Date: Wed, 01 Apr 2009 11:46:31 -0700 Message-ID: <87bprgjjp4.fsf@deeprootsystems.com> References: <87k56dp5zc.fsf@deeprootsystems.com> <87ljqllzz9.fsf@deeprootsystems.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from wf-out-1314.google.com ([209.85.200.172]:58527 "EHLO wf-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933671AbZDASqf (ORCPT ); Wed, 1 Apr 2009 14:46:35 -0400 Received: by wf-out-1314.google.com with SMTP id 29so183556wff.4 for ; Wed, 01 Apr 2009 11:46:34 -0700 (PDT) In-Reply-To: (Sanjeev Premi's message of "Wed\, 1 Apr 2009 12\:48\:29 +0530") Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: "Premi, Sanjeev" Cc: "linux-omap@vger.kernel.org" , "Nayak, Rajendra" "Premi, Sanjeev" writes: [...] >> Sounds to me like CPUfreq is changing frequencies during bootup. Did >> you select ondemand as the default CPUfreq governor? > > [sp] Yes. This is what I feel too. Only I was not clear why the process > gets stuck at WFI. Haven't been able to debug further. So far... > >> If so, can you try with performance as the default governor. > > [sp] It was performance governor only. > >> If you're already using performance, then u-boot is setting a slower >> speed and CPUfreq may decide to change it during boot. > > [sp] That is the case. > Can you try setting the default governor to userspace so that no DVFS changes will happen during boot? Kevin