From: Ameya Palande <ameya.palande@nokia.com>
To: ext Jarkko Nikula <jhnikula@gmail.com>
Cc: "linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
Kevin Hilman <khilman@deeprootsystems.com>,
"Kristo Tero (Nokia-MS/Tampere)" <Tero.Kristo@nokia.com>
Subject: Re: CONFIG_CPU_IDLE broken for N900
Date: Tue, 10 Aug 2010 16:43:16 +0300 [thread overview]
Message-ID: <1281447796.17541.33.camel@chotu> (raw)
In-Reply-To: <20100810160324.8df82287.jhnikula@gmail.com>
Hi Jarkko,
On Tue, 2010-08-10 at 15:03 +0200, ext Jarkko Nikula wrote:
> On Tue, 10 Aug 2010 15:35:18 +0300
> Ameya Palande <ameya.palande@nokia.com> wrote:
>
> > > When I enable CONFIG_CPU_IDLE and boot kernel, it hangs around the point
> > > when it switches to user space. I am able to reproduce this for 2.6.35
> > > on linux-omap and linux-2.6 trees.
> > >
> > > Has anyone else noticed the same thing for omap3 based boards?
> >
> > Broken on linux-omap-pm as well!
> >
> I'm able to reproduce with 2.6.35-rc1 but not with l-o head. It seems
> that the commit below fixes this.
>
> commit c786bcf12e092802496f1bc440b2b189144612a5
> Author: Kevin Hilman <khilman@deeprootsystems.com>
> Date: Thu Jun 3 17:13:22 2010 +0000
>
> OMAP3: PM: fix IO daisy chain enable to use PM_WKEN reg
Just tested it on linux-omap with omap3_defconfig and found that it is
broken. When kernel bootup is complete, and it switches to user space,
device hangs. When I disable CPU IDLE, it works..
Cheers,
Ameya.
next prev parent reply other threads:[~2010-08-10 13:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-10 12:21 CONFIG_CPU_IDLE broken for N900 Ameya Palande
2010-08-10 12:35 ` Ameya Palande
2010-08-10 13:03 ` Jarkko Nikula
2010-08-10 13:43 ` Ameya Palande [this message]
2010-08-10 14:23 ` Jarkko Nikula
2010-08-10 23:21 ` Kevin Hilman
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