Document the WMI SMM interface so that future developers
can better understand how it works.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20231123004820.50635-9-W_Armin@gmx.deSigned-off-by: Guenter Roeck <linux@roeck-us.net>