hi all: usually the usb_driver is matched by usb_device_id or usb_dynids. But there is any of them above defined in usb fs driver. if so, what is usb fs driver used for when registered in the usb_init of core/usb.c? appreciate all your kine explanation in the advance, -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html