From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarkko Nikula Subject: Re: Clock & PM breakage in 3.0-rc2 Date: Thu, 9 Jun 2011 09:10:29 +0300 Message-ID: <20110609091029.7051ef33.jhnikula@gmail.com> References: <20110608173143.0b03ebac.jhnikula@gmail.com> <87zklsi374.fsf@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from mail-ew0-f46.google.com ([209.85.215.46]:45874 "EHLO mail-ew0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751382Ab1FIGKc (ORCPT ); Thu, 9 Jun 2011 02:10:32 -0400 Received: by ewy4 with SMTP id 4so426057ewy.19 for ; Wed, 08 Jun 2011 23:10:31 -0700 (PDT) In-Reply-To: <87zklsi374.fsf@ti.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Kevin Hilman Cc: linux-omap@vger.kernel.org On Wed, 08 Jun 2011 11:32:47 -0700 Kevin Hilman wrote: > > I traced breakage to commit 638080c ("OMAP2+ / PM: move runtime > > PM implementation to use device power domains"). > > > > Reventing that and and 2064af9 ("PM: Revert "driver core: platform_bus: > > allow runtime override of dev_pm_ops") makes both mcbsp clocks and > > retention idle working again. > > > > Unfortunately I'm not able to see quickly what would be the right fix. > > This should be fixed in my for_3.0/pm-fixes branch (pull req. sent to > Tony earlier this week.) > > Specifically, the "OMAP: PM: omap_device: fix device power domain callbacks" > patch should fix your problem > > Can you test again with merging that branch from: > > git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm.git > Great! That patch fixes the mcbsp clock problem and I suppose retention too (I don't have a multimeter with me now to verify but retention counters in /sys/kernel/debug/pm_debug/count are increasing now). -- Jarkko