Oliver Neukum, on jeu. 10 août 2017 10:03:51 +0200, wrote: > You cannot make assumptions about driver load. Your driver was loaded. > End of story. Register it with the proper subsystem. The subsystem in question is a line discipline. Registering a line discipline will not trigger applying it to the serial port, so it's not enough. Samuel -- 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