net: dsa: remove ds->rtable

Drivers do not use the ds->rtable static arrays anymore, get rid of it.
Signed-off-by: NVivien Didelot <vivien.didelot@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

include/net/dsa.h

@@ -258,13 +258,6 @@ struct dsa_switch {
 	 */
 	const struct dsa_switch_ops	*ops;
 
-	/*
-	 * An array of which element [a] indicates which port on this
-	 * switch should be used to send packets to that are destined
-	 * for switch a. Can be NULL if there is only one switch chip.
-	 */
-	s8		rtable[DSA_MAX_SWITCHES];
-
 	/*
 	 * Slave mii_bus and devices for the individual ports.
 	 */

net/dsa/dsa2.c

@@ -181,10 +181,6 @@ static bool dsa_switch_setup_routing_table(struct dsa_switch *ds)
 	struct dsa_switch_tree *dst = ds->dst;
 	bool complete = true;
 	struct dsa_port *dp;
-	int i;
-
-	for (i = 0; i < DSA_MAX_SWITCHES; i++)
-		ds->rtable[i] = DSA_RTABLE_NONE;
 
 	list_for_each_entry(dp, &dst->ports, list) {
 		if (dp->ds == ds && dsa_port_is_dsa(dp)) {