> -----Original Message-----
> From: Mark Rutland [mailto:mark.rutland@arm.com]
>
> The existing mechanism for providing IDs explicitly is for compatiblity
> with implementations prior to PSCI 0.2. We should expect any PSCI 0.2+
> compliant implementation to use the mandated IDs unless someone has a
> compelling reason why they need PSCI 0.2+ but cannot use the mandated
> IDs.
>
> I would hope that any ACPI system with PSCI has PSCI 0.2+.
>
> Thanks,
> Mark.

And to be clear, this is the stance we have taken with ACPI. Ie we are not allowing function
overrides. The only knowledge of PSCI in ACPI will basically be to say whether PSCI is
present, and the conduit HVC/SMC