1 files changed, 16 insertions, 41 deletions

diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 32538ac5f7e4..9cf07bb7adf8 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -3798,38 +3798,29 @@ static void b43_set_retry_limits(struct b43_wldev *dev,
 static int b43_op_config(struct ieee80211_hw *hw, u32 changed)
 {
 	struct b43_wl *wl = hw_to_b43_wl(hw);
-	struct b43_wldev *dev;
-	struct b43_phy *phy;
+	struct b43_wldev *dev = wl->current_dev;
+	struct b43_phy *phy = &dev->phy;
 	struct ieee80211_conf *conf = &hw->conf;
 	int antenna;
 	int err = 0;
-	bool reload_bss = false;
 
 	mutex_lock(&wl->mutex);
-
-	dev = wl->current_dev;
-
 	b43_mac_suspend(dev);
 
-	/* Switch the band (if necessary). This might change the active core. */
-	err = b43_switch_band(dev, conf->chandef.chan);
-	if (err)
-		goto out_unlock_mutex;
-
-	/* Need to reload all settings if the core changed */
-	if (dev != wl->current_dev) {
-		dev = wl->current_dev;
-		changed = ~0;
-		reload_bss = true;
-	}
+	if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
+		phy->chandef = &conf->chandef;
+		phy->channel = conf->chandef.chan->hw_value;
 
-	phy = &dev->phy;
+		/* Switch the band (if necessary). */
+		err = b43_switch_band(dev, conf->chandef.chan);
+		if (err)
+			goto out_mac_enable;
 
-	if (conf_is_ht(conf))
-		phy->is_40mhz =
-			(conf_is_ht40_minus(conf) || conf_is_ht40_plus(conf));
-	else
-		phy->is_40mhz = false;
+		/* Switch to the requested channel.
+		 * The firmware takes care of races with the TX handler.
+		 */
+		b43_switch_channel(dev, phy->channel);
+	}
 
 	if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
 		b43_set_retry_limits(dev, conf->short_frame_max_tx_count,
@@ -3838,11 +3829,6 @@ static int b43_op_config(struct ieee80211_hw *hw, u32 changed)
 	if (!changed)
 		goto out_mac_enable;
 
-	/* Switch to the requested channel.
-	 * The firmware takes care of races with the TX handler. */
-	if (conf->chandef.chan->hw_value != phy->channel)
-		b43_switch_channel(dev, conf->chandef.chan->hw_value);
-
 	dev->wl->radiotap_enabled = !!(conf->flags & IEEE80211_CONF_MONITOR);
 
 	/* Adjust the desired TX power level. */
@@ -3878,12 +3864,8 @@ static int b43_op_config(struct ieee80211_hw *hw, u32 changed)
 
 out_mac_enable:
 	b43_mac_enable(dev);
-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;
 }
 
@@ -4324,19 +4306,12 @@ static int b43_phy_versioning(struct b43_wldev *dev)
 	phy_type = (tmp & B43_PHYVER_TYPE) >> B43_PHYVER_TYPE_SHIFT;
 	phy_rev = (tmp & B43_PHYVER_VERSION);
 	switch (phy_type) {
-	case B43_PHYTYPE_A:
-		if (phy_rev >= 4)
-			unsupported = 1;
-		break;
-	case B43_PHYTYPE_B:
-		if (phy_rev != 2 && phy_rev != 4 && phy_rev != 6
-		    && phy_rev != 7)
-			unsupported = 1;
-		break;
+#ifdef CONFIG_B43_PHY_G
 	case B43_PHYTYPE_G:
 		if (phy_rev > 9)
 			unsupported = 1;
 		break;
+#endif
 #ifdef CONFIG_B43_PHY_N
 	case B43_PHYTYPE_N:
 		if (phy_rev > 9)