[PATCH V3 1/5] ARM: tegra: add pending SGI checking API

Peter De Schrijver pdeschrijver at nvidia.com
Thu Dec 20 06:14:09 EST 2012


> >
> > So why does OMAP4 have working coupled idle without the SGI check then?
> >
> Because whenever the OMAP4 CPUs enter into any power states apart from
> ON, clock-domain force wakeup method us being used to wakeup
> secondary CPUs. And secondly CPU RET is not supported on purpose because
> of some known IP block issues.
> 

Aha. That explains indeed why you don't need the check.

Cheers,

Peter.






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