[RFC,PATCH 1/2] Add a common struct clk

[Jeremy Kerr]

Hi Ben,

> As an addendum to Russell's comments, we need to specify the behaviour
> with resepect to what happens about clock stabilisation as well, if the
> clock we enabled takes time to stabilise, then should we wait?

Yes. If we're going to the effort of ensuring that the clock is enabled before 
clk_enable returns, we should also guarantee that the clock is fully-
functional.

If that takes some time, then that's just the cost of ensuring correct 
behaviour.

Cheers,


Jeremy