cfg80211: export cfg80211_chandef_dfs_required

It will be used later by the IBSS CSA implementation of mac80211.

Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

2 files changed, 1 insertions, 9 deletions

diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index 50f6195c8b70..16f3c3a7b2c1 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -328,6 +328,7 @@ int cfg80211_chandef_dfs_required(struct wiphy *wiphy,
         return cfg80211_get_chans_dfs_required(wiphy, chandef->center_freq2,
                                                width);
 }
+EXPORT_SYMBOL(cfg80211_chandef_dfs_required);
 
 static bool cfg80211_secondary_chans_ok(struct wiphy *wiphy,
                                         u32 center_freq, u32 bandwidth,
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 9ad43c619c54..b43efac4efca 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -382,15 +382,6 @@ int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev,
                                  enum cfg80211_chan_mode chanmode,
                                  u8 radar_detect);
 
-/**
- * cfg80211_chandef_dfs_required - checks if radar detection is required
- * @wiphy: the wiphy to validate against
- * @chandef: the channel definition to check
- * Return: 1 if radar detection is required, 0 if it is not, < 0 on error
- */
-int cfg80211_chandef_dfs_required(struct wiphy *wiphy,
-                                  const struct cfg80211_chan_def *c);
-
 void cfg80211_set_dfs_state(struct wiphy *wiphy,
                             const struct cfg80211_chan_def *chandef,
                             enum nl80211_dfs_state dfs_state);