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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
