From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kevin Hilman Subject: Re: PM branch rebased to 2.6.29 Date: Mon, 30 Mar 2009 10:57:54 -0700 Message-ID: <878wmm3nbx.fsf@deeprootsystems.com> References: <87bprz9zju.fsf@deeprootsystems.com> <1237914611.23022.124.camel@blackhole> <87zlfaztcd.fsf@deeprootsystems.com> <1237925484.23022.133.camel@blackhole> <49C940CA.9070805@deeprootsystems.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from qw-out-2122.google.com ([74.125.92.26]:58299 "EHLO qw-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751254AbZC3R57 (ORCPT ); Mon, 30 Mar 2009 13:57:59 -0400 Received: by qw-out-2122.google.com with SMTP id 8so2635414qwh.37 for ; Mon, 30 Mar 2009 10:57:57 -0700 (PDT) In-Reply-To: (Russ Dill's message of "Mon\, 30 Mar 2009 10\:44\:19 -0700") Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Russ Dill Cc: "Premi, Sanjeev" , Peter Barada , "linux-omap@vger.kernel.org" Russ Dill writes: > On Mon, Mar 30, 2009 at 3:08 AM, Premi, Sanjeev wrote: [...] >> I had found that two drivers that could prevent clocks_off are >> USB and DSS because of the way they use clk_enable(). >> >> Can you try building without theses drivers just for verification? >> > > Building without dss makes things worse: > > Powerdomain (dss_pwrdm) didn't enter target state 0 > > Maybe by looking at what the dss driver is doing I can get core and > per to turn off. Peter, Have you tried with the debug patch I sent? If you can test with that patch, and send the output, I can tell you what is preventing you from hitting RET. FWIW, the latest HEAD of the PM branch has that debug patch included. After doing the suspend/resume, just # cat /debug/pm_debug/registers/1 and attach the output. Kevin