Messages in this thread | | | Date | Mon, 16 Feb 2009 23:51:16 +0100 | From | Pavel Machek <> | Subject | Re: [RFD] Automatic suspend |
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Hi!
> > Userland should never ever control the state of a device like this > > directly. It should do so by a) closing the device and b) setting > > latency / functional requirements. > > The user, however, may want to forcibly put a device into a low power state > without stopping all of the applications that depend on it (eg. have it open). > Do you think that we shouldn't allow users to do such things?
I don't think we should do this... of you want device to be powered down, just don't keep it open. revoke should be enough :-).
...one execption here is the disk driver; unmounting filesystems to let the disk spin down is probably too heavy.
-- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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