linux bt4 ar9271.fw

01 root@bt:~# lsusb 02 Bus 001 Device 003: ID 0cf3:9271 Atheros Communications, Inc. AR9271 802.11n 03 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub 04 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub 05 root@bt:~# mkdir ar9271 06 root@bt:~# cd ar9271/