Hi!
> > "If the device requires that, implement .suspend and .resume or at least
> ^^^^^^^^
> > define .suspend that will always return -ENOSYS (then people will know they
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > have to unload the driver before the suspend). Similarly, if you aren't
> > sure
> > whether or not the device requires .suspend and .resume, define .suspend
> > that
>
> ^^^^^^^^^^^^^^^^^^^^
> > will always return -ENOSYS."
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^
> Can't the upper layer just assume -ENOSYS if .resume/.suspend is NULL?
> It's nicer if you don't have to implement dummy functions at all.
Unfortunately, drivers currently assume "NULL == nothing is needed",
so we'd have t do big search & replace...
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures)
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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