Locking in the clk API

Benjamin Herrenschmidt benh at kernel.crashing.org
Fri Jan 21 18:21:42 EST 2011

On Fri, 2011-01-21 at 14:28 -0800, Colin Cross wrote:
> Clocks that have a voltage dependency, or depend on a clock that has a
> voltage dependency, are non-atomic, everything else is atomic.  PLLs
> are atomic because they lock very fast (300 uS or 1ms) 

Some could argue that this is still way too slow for atomic context :-)


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