{
        struct lan9303 *chip = ds->priv;
 
-       /* enable internal packet processing */
-       switch (port) {
-       case 1:
-       case 2:
-               return lan9303_enable_processing_port(chip, port);
-       default:
-               dev_dbg(chip->dev,
-                       "Error: request to power up invalid port %d\n", port);
-       }
-
-       return -ENODEV;
+       return lan9303_enable_processing_port(chip, port);
 }
 
 static void lan9303_port_disable(struct dsa_switch *ds, int port,
 {
        struct lan9303 *chip = ds->priv;
 
-       /* disable internal packet processing */
-       switch (port) {
-       case 1:
-       case 2:
-               lan9303_disable_processing_port(chip, port);
-               lan9303_phy_write(ds, chip->phy_addr_sel_strap + port,
-                                 MII_BMCR, BMCR_PDOWN);
-               break;
-       default:
-               dev_dbg(chip->dev,
-                       "Error: request to power down invalid port %d\n", port);
-       }
+       lan9303_disable_processing_port(chip, port);
+       lan9303_phy_write(ds, chip->phy_addr_sel_strap + port,
+                         MII_BMCR, BMCR_PDOWN);
 }
 
 static int lan9303_port_bridge_join(struct dsa_switch *ds, int port,