mac80211: Deinline drv_ampdu_action()

With this .config: http://busybox.net/~vda/kernel_config_ALLYES_Os,
after deinlining the function size is 755 bytes and there are
6 callsites.

Total size reduction is about 3.3 kbytes.
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
CC: Johannes Berg <johannes.berg@intel.com>
CC: John Linville <linville@tuxdriver.com>
CC: Michal Kazior <michal.kazior@tieto.com>
CC: linux-wireless@vger.kernel.org
CC: linux-kernel@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

net/mac80211/driver-ops.c

@@ -189,3 +189,29 @@ int drv_switch_vif_chanctx(struct ieee80211_local *local,
 
 	return ret;
 }
+
+int drv_ampdu_action(struct ieee80211_local *local,
+		     struct ieee80211_sub_if_data *sdata,
+		     enum ieee80211_ampdu_mlme_action action,
+		     struct ieee80211_sta *sta, u16 tid,
+		     u16 *ssn, u8 buf_size, bool amsdu)
+{
+	int ret = -EOPNOTSUPP;
+
+	might_sleep();
+
+	sdata = get_bss_sdata(sdata);
+	if (!check_sdata_in_driver(sdata))
+		return -EIO;
+
+	trace_drv_ampdu_action(local, sdata, action, sta, tid,
+			       ssn, buf_size, amsdu);
+
+	if (local->ops->ampdu_action)
+		ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
+					       sta, tid, ssn, buf_size, amsdu);
+
+	trace_drv_return_int(local, ret);
+
+	return ret;
+}

net/mac80211/driver-ops.h

@@ -649,31 +649,11 @@ static inline int drv_tx_last_beacon(struct ieee80211_local *local)
 	return ret;
 }
 
-static inline int drv_ampdu_action(struct ieee80211_local *local,
+int drv_ampdu_action(struct ieee80211_local *local,
 		     struct ieee80211_sub_if_data *sdata,
 		     enum ieee80211_ampdu_mlme_action action,
 		     struct ieee80211_sta *sta, u16 tid,
-				   u16 *ssn, u8 buf_size, bool amsdu)
-{
-	int ret = -EOPNOTSUPP;
-
-	might_sleep();
-
-	sdata = get_bss_sdata(sdata);
-	if (!check_sdata_in_driver(sdata))
-		return -EIO;
-
-	trace_drv_ampdu_action(local, sdata, action, sta, tid,
-			       ssn, buf_size, amsdu);
-
-	if (local->ops->ampdu_action)
-		ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
-					       sta, tid, ssn, buf_size, amsdu);
-
-	trace_drv_return_int(local, ret);
-
-	return ret;
-}
+		     u16 *ssn, u8 buf_size, bool amsdu);
 
 static inline int drv_get_survey(struct ieee80211_local *local, int idx,
 				struct survey_info *survey)