[PATCH 11/12] ARM: migrate to common PSCI client code

[mark.rutland@arm.com (Mark Rutland)]

> >> +int psci_cpu_disable(unsigned int cpu)
> >> +{
> >> +       /* Fail early if we don't have CPU_OFF support */
> >> +       if (!psci_ops.cpu_off)
> >> +               return 0;
> >> +
> >> +       /* Trusted OS will deny CPU_OFF */
> >> +       if (psci_tos_resident_on(cpu))
> >> +               return 0;
> >> +
> >
> > Same question here. Seems like if MIGRATE_INFO_TYPE = 2 ( TOS is
> > present or does not require migration), you should be able to call
> > CPU_OFF. Otherwise the patch looks fine to me.
> 
> err. Make that TOS is not present.

In the cases where migration is not required, resident_cpu == -1, and
psci_tos_resident_on(cpu) will return false for any valid CPU. So I
don't see that we would deny migration here.

What am I missing?

Thanks,
Mark.