>> 99% of all hardware needs to do exactly *nothing* on suspend-to-disk, and the
>> ones that really do need things tend to need to not do a whole lot.
>>
>> For example, the "freeze" action for USB (which is one of the hardest
>> things to suspend) should literally be something like just setting the
>> controller STOP bit, and waiting for it to have stopped. The "unfreeze"
>> should be to just clear the stop bit, while the "restart" should be just a
>> controller reset to use the current memory image.
>>
>> NONE OF THIS HAS ABSOLUTELY ANYTHING TO DO WITH SUSPEND.
>>
>> It never did. I've told people so for years. Maybe actually seeing the
>> problems will make people realize.
>>
>
> I think so.
>
>
>> So please, we shouldn't call "->suspend[_late]" or "->resume[_early]" at
>> all. Not with PMSG_FREEZE, not with PMSG_*anything*.
>>
>> Can we please get this fixed some day?
>>
>
> Yes, we can (hopefully).
>
> Thanks,
> Rafael
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