On Sat, 10 Feb 2007, Rafael J. Wysocki wrote:
> What about this:
>
> "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.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [EMAIL PROTECTED]
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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