Ath9k RXORN storm
Username: 李鹏
Origin: https://bugs.openwrt.org/index.php?do=details&task_id=2054
the ath9k don’t clear RXORN bit . I think The write maybe think
RXEOL and RXORN shuold come together
but I test found the RXORN come only , In this situation the driver not
clear the RXORN bit , so driver can not recevice any pakcet ,I just recevie
RXORN interrupt