Re: [PATCH v8 3/5] amba: Don't unprepare the clocks if device driver wants IRQ safe runtime PM

[Russell King - ARM Linux]

On Mon, Nov 03, 2014 at 10:41:02AM -0500, Alan Stern wrote:
> Bear in mind, however, that once the irq_safe flag has been set, the 
> runtime PM core offers no way to turn it off again.

Ah, I thought it did permit it to change both ways.  In that case, we
don't need to validate that it doesn't change state on each call, and
we can just get away with checking its value.

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