# mv 8192eu /lib/modules/4.1.13+/kernel/drivers/net/wireless
# echo "options 8192eu rtw_power_mgnt=0 rtw_enusbss=0" > /etc/modprobe.d/8192eu.conf
# depmod -a

# iw list

root@walle:/home/xbian# lsmod
Module                  Size  Used by
8192eu                936651  0

# ifconfig
wlan0     Link encap:Ethernet  HWaddr 00:13:EF:35:14:03
      UP BROADCAST MULTICAST  MTU:1500  Metric:1
      RX packets:0 errors:0 dropped:0 overruns:0 frame:0
      TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:1000
      RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

root@walle:/home/xbian# hostapd -d /etc/hostapd/hostapd.conf
random: Trying to read entropy from /dev/random
Configuration file: /etc/hostapd/hostapd.conf
Line 2: invalid/unknown driver '8192eu'
1 errors found in configuration file '/etc/hostapd/hostapd.conf'
Failed to set up interface with /etc/hostapd/hostapd.conf
hostapd_init: free iface 0x561419f0
Failed to initialize interface

CONFIG_DRIVER_8192EU=y

CONFIG_DRIVER_8192eu=y

root@walle:/home/xbian/hostapd-2.5/hostapd# ./hostapd -v
hostapd v2.5
User space daemon for IEEE 802.11 AP management,

root@walle:/home/xbian/hostapd-2.5/hostapd# hostapd -v
hostapd v2.3
User space daemon for IEEE 802.11 AP management,