Re: PM(?) problems on v3.3-rc1 on OMAP3

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On Fri, 20 Jan 2012, Tomi Valkeinen wrote:

> On Fri, 2012-01-20 at 16:19 +0530, Govindraj wrote:
> > On Fri, Jan 20, 2012 at 4:03 PM, Tomi Valkeinen <tomi.valkeinen@xxxxxx> wrote:
> > > Hi,
> > >
> > > I'm testing v3.3-rc1 on OMAP3 overo, and I'm having problems probably
> > > related to PM.
> > >
> > > First, when I boot up, the console (via USB serial) is very laggy, it
> > > often takes many seconds until the key pressed appears so it's more or
> > > less unusable.
> > 
> > can you try enabling CONFIG_CPU_IDLE ?
> 
> Enabling CPU_IDLE does remove the problems. I don't know what it's
> supposed to do, but it seems to keep the MPU and DSS in ON state all the
> time, so the problem disappears.

Enabling CONFIG_CPU_IDLE doesn't fix it for me.  Maybe that's because 
I'm just using omap2plus_defconfig.


- Paul
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