[PATCH] UBUNTU: [Config] highbank: ecx1000: CPU_IDLE causes instabilities, disable it

[Paolo Pisati]

On Wed, Sep 11, 2013 at 12:18:18PM +0100, Andy Whitcroft wrote:
> On Wed, Sep 11, 2013 at 10:36:05AM +0200, Paolo Pisati wrote:
> > The highbank cpuidle driver has some stability problems. Disable it for
> > now.
> > 
> > Signed-off-by: Rob Herring <rob.herring at calxeda.com>
> > Signed-off-by: Paolo Pisati <paolo.pisati at canonical.com>
> 
> > --- a/debian.master/config/armhf/config.flavour.generic
> > +++ b/debian.master/config/armhf/config.flavour.generic
> [...]
> > +# CONFIG_CPU_IDLE_CALXEDA is not set
> [...]
> > --- a/debian.master/config/armhf/config.flavour.generic-lpae
> > +++ b/debian.master/config/armhf/config.flavour.generic-lpae
> > +CONFIG_CPU_IDLE_CALXEDA=y
> 
> Can you confirm you are intending to only turn this off for generic, I
> thought generic-lpae was primarily for these machines at the current
> time.

yes, that's only for generic:

generic is targetting the "old" ECX1000 core (but it works on the new one
too), while generic-lpae works only on the new ECX2000 core (that has the LPAE
extension indeed).
-- 
bye,
p.