Atheros wireless debugging

configname: CONFIG_ATH_DEBUG

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Wireless LAN
└─>Atheros Wireless Cards
└─>Atheros wireless debugging
In linux kernel since version 2.6.33 (release Date: 2010-02-24)  
Say Y, if you want to debug atheros wireless drivers.
Right now only ath9k makes use of this.