net: dsa: remove trans argument from mdb ops

The DSA switch MDB ops pass the switchdev_trans structure down to the
drivers, but no one is using them and they aren't supposed to anyway.

Remove the trans argument from MDB prepare and add operations.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dsa/lan9303-core.c

@@ -1217,8 +1217,7 @@ static int lan9303_port_fdb_dump(struct dsa_switch *ds, int port,
 }
 
 static int lan9303_port_mdb_prepare(struct dsa_switch *ds, int port,
-				    const struct switchdev_obj_port_mdb *mdb,
-				    struct switchdev_trans *trans)
+				    const struct switchdev_obj_port_mdb *mdb)
 {
 	struct lan9303 *chip = ds->priv;
 
@@ -1235,8 +1234,7 @@ static int lan9303_port_mdb_prepare(struct dsa_switch *ds, int port,
 }
 
 static void lan9303_port_mdb_add(struct dsa_switch *ds, int port,
-				 const struct switchdev_obj_port_mdb *mdb,
-				 struct switchdev_trans *trans)
+				 const struct switchdev_obj_port_mdb *mdb)
 {
 	struct lan9303 *chip = ds->priv;
 

drivers/net/dsa/microchip/ksz_common.c

@@ -856,16 +856,14 @@ static int ksz_port_fdb_dump(struct dsa_switch *ds, int port,
 }
 
 static int ksz_port_mdb_prepare(struct dsa_switch *ds, int port,
-				const struct switchdev_obj_port_mdb *mdb,
-				struct switchdev_trans *trans)
+				const struct switchdev_obj_port_mdb *mdb)
 {
 	/* nothing to do */
 	return 0;
 }
 
 static void ksz_port_mdb_add(struct dsa_switch *ds, int port,
-			     const struct switchdev_obj_port_mdb *mdb,
-			     struct switchdev_trans *trans)
+			     const struct switchdev_obj_port_mdb *mdb)
 {
 	struct ksz_device *dev = ds->priv;
 	u32 static_table[4];

drivers/net/dsa/mv88e6xxx/chip.c

@@ -3786,8 +3786,7 @@ static const char *mv88e6xxx_drv_probe(struct device *dsa_dev,
 }
 
 static int mv88e6xxx_port_mdb_prepare(struct dsa_switch *ds, int port,
-				      const struct switchdev_obj_port_mdb *mdb,
-				      struct switchdev_trans *trans)
+				      const struct switchdev_obj_port_mdb *mdb)
 {
 	/* We don't need any dynamic resource from the kernel (yet),
 	 * so skip the prepare phase.
@@ -3797,8 +3796,7 @@ static int mv88e6xxx_port_mdb_prepare(struct dsa_switch *ds, int port,
 }
 
 static void mv88e6xxx_port_mdb_add(struct dsa_switch *ds, int port,
-				   const struct switchdev_obj_port_mdb *mdb,
-				   struct switchdev_trans *trans)
+				   const struct switchdev_obj_port_mdb *mdb)
 {
 	struct mv88e6xxx_chip *chip = ds->priv;
 

include/net/dsa.h

@@ -431,12 +431,10 @@ struct dsa_switch_ops {
 	/*
 	 * Multicast database
 	 */
-	int	(*port_mdb_prepare)(struct dsa_switch *ds, int port,
-				    const struct switchdev_obj_port_mdb *mdb,
-				    struct switchdev_trans *trans);
-	void	(*port_mdb_add)(struct dsa_switch *ds, int port,
-				const struct switchdev_obj_port_mdb *mdb,
-				struct switchdev_trans *trans);
+	int (*port_mdb_prepare)(struct dsa_switch *ds, int port,
+				const struct switchdev_obj_port_mdb *mdb);
+	void (*port_mdb_add)(struct dsa_switch *ds, int port,
+			     const struct switchdev_obj_port_mdb *mdb);
 	int	(*port_mdb_del)(struct dsa_switch *ds, int port,
 				const struct switchdev_obj_port_mdb *mdb);
 	/*

net/dsa/switch.c

@@ -129,7 +129,7 @@ static int dsa_switch_mdb_add(struct dsa_switch *ds,
 			return -EOPNOTSUPP;
 
 		for_each_set_bit(port, group, ds->num_ports) {
-			err = ds->ops->port_mdb_prepare(ds, port, mdb, trans);
+			err = ds->ops->port_mdb_prepare(ds, port, mdb);
 			if (err)
 				return err;
 		}
@@ -138,7 +138,7 @@ static int dsa_switch_mdb_add(struct dsa_switch *ds,
 	}
 
 	for_each_set_bit(port, group, ds->num_ports)
-		ds->ops->port_mdb_add(ds, port, mdb, trans);
+		ds->ops->port_mdb_add(ds, port, mdb);
 
 	return 0;
 }