--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -325,6 +325,10 @@ static void b43_wireless_core_exit(struc
 static int b43_wireless_core_init(struct b43_wldev *dev);
 static struct b43_wldev * b43_wireless_core_stop(struct b43_wldev *dev);
 static int b43_wireless_core_start(struct b43_wldev *dev);
+static void b43_op_bss_info_changed(struct ieee80211_hw *hw,
+				    struct ieee80211_vif *vif,
+				    struct ieee80211_bss_conf *conf,
+				    u32 changed);
 
 static int b43_ratelimit(struct b43_wl *wl)
 {
@@ -3602,14 +3606,24 @@ static int b43_op_config(struct ieee8021
 	struct ieee80211_conf *conf = &hw->conf;
 	int antenna;
 	int err = 0;
+	bool reload_bss = false;
 
 	mutex_lock(&wl->mutex);
 
+	dev = wl->current_dev;
+
 	/* Switch the band (if necessary). This might change the active core. */
 	err = b43_switch_band(wl, conf->channel);
 	if (err)
 		goto out_unlock_mutex;
-	dev = wl->current_dev;
+
+	/* Need to reload all settings if the core changed */
+	if (dev != wl->current_dev) {
+		dev = wl->current_dev;
+		changed = ~0;
+		reload_bss = true;
+	}
+
 	phy = &dev->phy;
 
 	if (conf_is_ht(conf))
@@ -3670,6 +3684,9 @@ out_mac_enable:
 out_unlock_mutex:
 	mutex_unlock(&wl->mutex);
 
+	if (wl->vif && reload_bss)
+		b43_op_bss_info_changed(hw, wl->vif, &wl->vif->bss_conf, ~0);
+
 	return err;
 }
 
@@ -3758,7 +3775,8 @@ static void b43_op_bss_info_changed(stru
 	if (changed & BSS_CHANGED_BEACON_INT &&
 	    (b43_is_mode(wl, NL80211_IFTYPE_AP) ||
 	     b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) ||
-	     b43_is_mode(wl, NL80211_IFTYPE_ADHOC)))
+	     b43_is_mode(wl, NL80211_IFTYPE_ADHOC)) &&
+	    conf->beacon_int)
 		b43_set_beacon_int(dev, conf->beacon_int);
 
 	if (changed & BSS_CHANGED_BASIC_RATES)
@@ -4496,6 +4514,9 @@ static int b43_op_add_interface(struct i
  out_mutex_unlock:
 	mutex_unlock(&wl->mutex);
 
+	if (err == 0)
+		b43_op_bss_info_changed(hw, vif, &vif->bss_conf, ~0);
+
 	return err;
 }
 
@@ -4566,6 +4587,9 @@ static int b43_op_start(struct ieee80211
  out_mutex_unlock:
 	mutex_unlock(&wl->mutex);
 
+	/* reload configuration */
+	b43_op_config(hw, ~0);
+
 	return err;
 }
 
@@ -4722,10 +4746,18 @@ out:
 	if (err)
 		wl->current_dev = NULL; /* Failed to init the dev. */
 	mutex_unlock(&wl->mutex);
-	if (err)
+
+	if (err) {
 		b43err(wl, "Controller restart FAILED\n");
-	else
-		b43info(wl, "Controller restarted\n");
+		return;
+	}
+
+	/* reload configuration */
+	b43_op_config(wl->hw, ~0);
+	if (wl->vif)
+		b43_op_bss_info_changed(wl->hw, wl->vif, &wl->vif->bss_conf, ~0);
+
+	b43info(wl, "Controller restarted\n");
 }
 
 static int b43_setup_bands(struct b43_wldev *dev,