dsa: Remove phydev parameter from disable_port call

No current DSA driver makes use of the phydev parameter passed to the
disable_port call. Remove it.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index c2b6150..0390c5e 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -729,8 +729,7 @@ mt7530_port_enable(struct dsa_switch *ds, int port,
 }
 
 static void
-mt7530_port_disable(struct dsa_switch *ds, int port,
-		    struct phy_device *phy)
+mt7530_port_disable(struct dsa_switch *ds, int port)
 {
 	struct mt7530_priv *priv = ds->priv;
 
@@ -1301,7 +1300,7 @@ mt7530_setup(struct dsa_switch *ds)
 		if (dsa_is_cpu_port(ds, i))
 			mt7530_cpu_port_enable(priv, i);
 		else
-			mt7530_port_disable(ds, i, NULL);
+			mt7530_port_disable(ds, i);
 	}
 
 	/* Flush the FDB table */