Re: [RFC] Fix Device Power Management States

[Patrick Mochel]

On Tue, 10 Aug 2004, Pavel Machek wrote:

> I still do not see it... swsusp does not care about logical state of
> device. (Actually manipulating logical state of device might make
> swsusp less transparent). It cares about device not doing DMA (I also
> said "no interrupts", but that is not strictly neccessary: we disable
> interrupts for atomic copy. Device should do no NMIs, through).

Perhaps it is unncessary to do at a class level, at least at this point.
I think we all agree that we need some sort of stop/start methods for
devices, though. In which, we can add to struct bus_type:

	int (*dev_stop)(struct device *);
	int (*dev_start)(struct device *);

Sound good?


	Pat
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