On Mon, Aug 24, 2009 at 04:46:12PM +0800, Shaohua Li wrote: > On Mon, 2009-08-24 at 16:27 +0800, Matthew Garrett wrote: > > I think that's inevitable, unless the notification infrastructure is > > made more fine grained. > At least we need some check and maybe gpe handling and we need some > "ifdef ACPI" staff at each device or bus. > There isn't big difference device/bus register a notification handler or > register a .wakeup_event. And .wakeup_event is more simple in device/bus > level. Yes there is - .wakeup_event will only be called if a wakeup notification is received, whereas a notification handler will be called for other notifications as well such as bus check or eject request. If the core registers notifiers for all devices then you'll break dock handling, for instance. We'd need to add callbacks for all the notifications <0x80. -- Matthew Garrett | mjg59@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
