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Re: [Xen-devel] [PATCH RFC] xen/arm : emulation of arm's psci v0.2 standard

On 20/06/14 12:48, Stefano Stabellini wrote:
And yes, the idea is to have a single device tree node, and then psci
v0.1 only kernels can still use psci v0.1, and psci v0.2 can ignore
the function IDs and use the ones defined as per the spec.

OK. From the Xen POV we need to expose a psci node compatible with both
psci-0.2 and psci, because we want 3.15 to be able to boot with multiple
vcpus on Xen 4.5.

AFAIU parth's patch, this is already possible. He doesn't add the properties such as suspend because we don't support them on Xen for PSCI v0.1

Julien Grall

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