Re: CONFIG_CPU_IDLE broken for N900

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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@xxxxxxxxx> 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@xxxxxxxxxxxxxxxxxxx>
> 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.

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