> In my defense, you should realize that until Rafael's notifier chain
> was added (just a few weeks ago, still not in mainline I believe) there
> was no other way to do it. Plug activity needs to be stopped before
> the child devices are suspended, and the PM core does not send any
> notification to drivers at that time. All it does is activate the
> freezer.
That's true. That was one of the reason I've always wanted the
pre-suspend and post-resume hooks. (I prefer keeping the ordering there
too, rather than a notifier, but a notifier is fine I suppose).
Among the clients we want here the firmware stuff, the allocators,
etc... to get themselves in conditions that won't deadlock during
suspend cycle.
I think that's a much bigger issue overall than freezer vs. no
freezer :-)
Ben.
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