Atheros ath9k_htc debugging

configname: CONFIG_ATH9K_HTC_DEBUGFS

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Wireless LAN
└─>Atheros Wireless Cards
└─>Atheros ath9k_htc debugging
In linux kernel since version 2.6.35 (release Date: 2010-08-01)  
Say Y, if you need access to ath9k_htc's statistics.