diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index fb9e622..f504e3e 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -833,6 +833,8 @@
 	s8 max_signal;
 };
 
+struct ieee80211_hw *wiphy_to_hw(struct wiphy *wiphy);
+
 /**
  * SET_IEEE80211_DEV - set device for 802.11 hardware
  *