net: dsa: b53: Let DSA call .port_vlan_filtering only when necessary

Since DSA has recently learned to treat better with drivers that set
vlan_filtering_is_global, doing this is no longer required.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dsa/b53/b53_common.c

@@ -1286,13 +1286,13 @@ int b53_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering)
 
 	b53_read16(dev, B53_VLAN_PAGE, B53_VLAN_PORT_DEF_TAG(port), &pvid);
 	new_pvid = pvid;
-	if (dev->vlan_filtering_enabled && !vlan_filtering) {
+	if (!vlan_filtering) {
 		/* Filtering is currently enabled, use the default PVID since
 		 * the bridge does not expect tagging anymore
 		 */
 		dev->ports[port].pvid = pvid;
 		new_pvid = b53_default_pvid(dev);
-	} else if (!dev->vlan_filtering_enabled && vlan_filtering) {
+	} else {
 		/* Filtering is currently disabled, restore the previous PVID */
 		new_pvid = dev->ports[port].pvid;
 	}