iforce_init_device
EXPORT_SYMBOL(iforce_init_device);
err = iforce_init_device(&serio->dev, BUS_RS232, &iforce_serio->iforce);
err = iforce_init_device(&intf->dev, BUS_USB, &iforce_usb->iforce);
int iforce_init_device(struct device *parent, u16 bustype,