--- zzzz-none-000/linux-4.4.60/drivers/net/wireless/hostap/hostap.h	2017-04-08 07:53:53.000000000 +0000
+++ dragonfly-4020-701/linux-4.4.60/drivers/net/wireless/hostap/hostap.h	2018-11-08 13:36:17.000000000 +0000
@@ -90,6 +90,7 @@
 extern const struct ethtool_ops prism2_ethtool_ops;
 
 int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);
+int hostap_restore_power(struct net_device *dev);
 
 
 #endif /* HOSTAP_H */