[PATCH 4/6] arm64: topology: Implement basic CPU topology support

[Mark Brown]

On Thu, Dec 12, 2013 at 02:59:52PM +0800, Hanjun Guo wrote:
> On 2013-12-11 22:24, Catalin Marinas wrote:

> > Lorenzo (on holiday now) pushed the DT topology bindings but there are
> > no patches yet for reading them. I would much prefer to only describe
> > the topology via DT rather than MPIDR (because hardware people sometimes
> > have strange ideas).

> Topology code for ARM32 is based on MPIDR now, should we update it too with
> describing the topology via DT?

Yes, the binding is supposed to apply to both so it'd be good to support
it on pre-v8.  However using MPIDR should continue to be supported on
pre-v8 as existing systems don't use the topology binding and so
presumably have accurate MPIDRs, requiring the binding would be a
regression for them.
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