iwlagn: move scan code to scan file

Since the driver split there's no longer a need
to have the scan code scattered across multiple
files, so move it all back to iwl-scan.c
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-agn.h

@@ -146,7 +146,6 @@ static inline bool iwl_is_tx_success(u32 status)
 u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid);
 
 /* scan */
-int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif);
 void iwlagn_post_scan(struct iwl_priv *priv);
 void iwlagn_disable_roc(struct iwl_priv *priv);
 

drivers/net/wireless/iwlwifi/iwl-core.h

@@ -330,12 +330,6 @@ int iwl_force_reset(struct iwl_priv *priv, int mode, bool external);
 u16 iwl_fill_probe_req(struct iwl_priv *priv, struct ieee80211_mgmt *frame,
 		       const u8 *ta, const u8 *ie, int ie_len, int left);
 void iwl_setup_rx_scan_handlers(struct iwl_priv *priv);
-u16 iwl_get_active_dwell_time(struct iwl_priv *priv,
-			      enum ieee80211_band band,
-			      u8 n_probes);
-u16 iwl_get_passive_dwell_time(struct iwl_priv *priv,
-			       enum ieee80211_band band,
-			       struct ieee80211_vif *vif);
 void iwl_setup_scan_deferred_work(struct iwl_priv *priv);
 void iwl_cancel_scan_deferred_work(struct iwl_priv *priv);
 int __must_check iwl_scan_initiate(struct iwl_priv *priv,