On Thu, Sep 14, 2017 at 05:59:19PM +0300, Mika Westerberg wrote: > On Thu, Sep 14, 2017 at 02:52:27PM +0000, Mario.Limonciello@xxxxxxxx wrote: > > > Looking at drivers/platform/x86/wmi.c:wmi_dev_uevent() it seems that > > > a modalias consisting of "wmi:" followed by the GUID is sent to udevd. > > > For udevd to then load the module, I suspect you need to add a > > > MODULE_DEVICE_TABLE(wmi, ...) to your driver. > > > > Ah, you're looking for this code from the WMI bus driver: > > https://github.com/torvalds/linux/blob/master/drivers/platform/x86/wmi.c#L724 > > > > That happens when the bus is initialized. > > That's right you get the uevent and whatnot but Lucas means that if you > don't have MODULE_DEVICE_TABLE(wmi, ...) in the driver, udev cannot load > the module automatically when the device appears. I meant to say Lukas, not Lucas. Sorry about that.