[RFC 2/8] ARM:global_timer: Add ARM global timer support.

[Arnd Bergmann]

On Wednesday 08 May 2013, Stuart MENEFY wrote:
> Fortunately the earliest version of these SoCs uses r2p2, so we avoided that
> particular issue. But as the code doesn't attempt to work around these
> problems a check on the version number might be a good idea to prevent other
> people accidentally hitting it.
> 

Yes, good idea. I would put the version number in the compatible property
and document both the working and non-working versions in the binding,
but put a comment explaining the situation into the driver.

	Arnd