[U-Boot] [RFC][Timer API] Revised Specification - Implementation details

[Wolfgang Denk]

Dear Graeme Russ,

In message <4DDF53D3.1060504 at gmail.com> you wrote:
> 
> > No. At least not unless you also provide other get_<some unit>_timer()
> > functions which we most likely will not do.
> 
> I think you will find most platforms will support get_us_timer() trivially.
> Those that can't can use get_ms_timer() * 1000 (plus taking wrapping into
> consideration)

To use common code, we have to assume the "cannot" case, and be
prepared to get only millisecond resolution - when can then simply use 
get_timer() right away and keep the code simple.

Best regards,

Wolfgang Denk

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