net: dsa: mv88e6xxx: prefix Global VTU macros

Prefix and document the Global VTU registers macros and give a clear
16-bit registers representation.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 066fa63..f2ce054 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1047,7 +1047,8 @@ static int mv88e6xxx_port_vlan_dump(struct dsa_switch *ds, int port,
 		if (!next.valid)
 			break;
 
-		if (next.member[port] == GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER)
+		if (next.member[port] ==
+		    MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER)
 			continue;
 
 		/* reinit and dump this VLAN obj */
@@ -1055,7 +1056,8 @@ static int mv88e6xxx_port_vlan_dump(struct dsa_switch *ds, int port,
 		vlan->vid_end = next.vid;
 		vlan->flags = 0;
 
-		if (next.member[port] == GLOBAL_VTU_DATA_MEMBER_TAG_UNTAGGED)
+		if (next.member[port] ==
+		    MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNTAGGED)
 			vlan->flags |= BRIDGE_VLAN_INFO_UNTAGGED;
 
 		if (next.vid == pvid)
@@ -1143,7 +1145,7 @@ static int mv88e6xxx_vtu_get(struct mv88e6xxx_chip *chip, u16 vid,
 		/* Exclude all ports */
 		for (i = 0; i < mv88e6xxx_num_ports(chip); ++i)
 			entry->member[i] =
-				GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER;
+				MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER;
 
 		return mv88e6xxx_atu_new(chip, &entry->fid);
 	}
@@ -1185,7 +1187,7 @@ static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port,
 				continue;
 
 			if (vlan.member[i] ==
-			    GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER)
+			    MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER)
 				continue;
 
 			if (ds->ports[i].bridge_dev ==
@@ -1281,11 +1283,11 @@ static void mv88e6xxx_port_vlan_add(struct dsa_switch *ds, int port,
 		return;
 
 	if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port))
-		member = GLOBAL_VTU_DATA_MEMBER_TAG_UNMODIFIED;
+		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNMODIFIED;
 	else if (untagged)
-		member = GLOBAL_VTU_DATA_MEMBER_TAG_UNTAGGED;
+		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNTAGGED;
 	else
-		member = GLOBAL_VTU_DATA_MEMBER_TAG_TAGGED;
+		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_TAGGED;
 
 	mutex_lock(&chip->reg_lock);
 
@@ -1312,15 +1314,16 @@ static int _mv88e6xxx_port_vlan_del(struct mv88e6xxx_chip *chip,
 		return err;
 
 	/* Tell switchdev if this VLAN is handled in software */
-	if (vlan.member[port] == GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER)
+	if (vlan.member[port] == MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER)
 		return -EOPNOTSUPP;
 
-	vlan.member[port] = GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER;
+	vlan.member[port] = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER;
 
 	/* keep the VLAN unless all ports are excluded */
 	vlan.valid = false;
 	for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
-		if (vlan.member[i] != GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER) {
+		if (vlan.member[i] !=
+		    MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER) {
 			vlan.valid = true;
 			break;
 		}