net: dsa: mv88e6xxx: use dsa_port's bridge pointer

Now that DSA exposes the bridge device pointer to which a port belongs,
use it when programming the port based VLANs and thus remove the cache.

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 8eb0dc0..84cba32 100644 (file)
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1247,8 +1247,8 @@ static int _mv88e6xxx_atu_remove(struct mv88e6xxx_chip *chip, u16 fid,
 
 static int _mv88e6xxx_port_based_vlan_map(struct mv88e6xxx_chip *chip, int port)
 {
-       struct net_device *bridge = chip->ports[port].bridge_dev;
        struct dsa_switch *ds = chip->ds;
+       struct net_device *bridge = ds->ports[port].bridge_dev;
        u16 output_ports = 0;
        int i;
 
@@ -1258,7 +1258,7 @@ static int _mv88e6xxx_port_based_vlan_map(struct mv88e6xxx_chip *chip, int port)
        } else {
                for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
                        /* allow sending frames to every group member */
-                       if (bridge && chip->ports[i].bridge_dev == bridge)
+                       if (bridge && ds->ports[i].bridge_dev == bridge)
                                output_ports |= BIT(i);
 
                        /* allow sending frames to CPU port and DSA link(s) */
@@ -1820,17 +1820,17 @@ static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port,
                            GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER)
                                continue;
 
-                       if (chip->ports[i].bridge_dev ==
-                           chip->ports[port].bridge_dev)
+                       if (ds->ports[i].bridge_dev ==
+                           ds->ports[port].bridge_dev)
                                break; /* same bridge, check next VLAN */
 
-                       if (!chip->ports[i].bridge_dev)
+                       if (!ds->ports[i].bridge_dev)
                                continue;
 
                        netdev_warn(ds->ports[port].netdev,
                                    "hardware VLAN %d already used by %s\n",
                                    vlan.vid,
-                                   netdev_name(chip->ports[i].bridge_dev));
+                                   netdev_name(ds->ports[i].bridge_dev));
                        err = -EOPNOTSUPP;
                        goto unlock;
                }
@@ -2320,18 +2320,16 @@ static int mv88e6xxx_port_fdb_dump(struct dsa_switch *ds, int port,
 }
 
 static int mv88e6xxx_port_bridge_join(struct dsa_switch *ds, int port,
-                                     struct net_device *bridge)
+                                     struct net_device *br)
 {
        struct mv88e6xxx_chip *chip = ds->priv;
        int i, err = 0;
 
        mutex_lock(&chip->reg_lock);
 
-       /* Assign the bridge and remap each port's VLANTable */
-       chip->ports[port].bridge_dev = bridge;
-
+       /* Remap each port's VLANTable */
        for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
-               if (chip->ports[i].bridge_dev == bridge) {
+               if (ds->ports[i].bridge_dev == br) {
                        err = _mv88e6xxx_port_based_vlan_map(chip, i);
                        if (err)
                                break;
@@ -2347,16 +2345,13 @@ static void mv88e6xxx_port_bridge_leave(struct dsa_switch *ds, int port,
                                        struct net_device *br)
 {
        struct mv88e6xxx_chip *chip = ds->priv;
-       struct net_device *bridge = chip->ports[port].bridge_dev;
        int i;
 
        mutex_lock(&chip->reg_lock);
 
-       /* Unassign the bridge and remap each port's VLANTable */
-       chip->ports[port].bridge_dev = NULL;
-
+       /* Remap each port's VLANTable */
        for (i = 0; i < mv88e6xxx_num_ports(chip); ++i)
-               if (i == port || chip->ports[i].bridge_dev == bridge)
+               if (i == port || ds->ports[i].bridge_dev == br)
                        if (_mv88e6xxx_port_based_vlan_map(chip, i))
                                netdev_warn(ds->ports[i].netdev,
                                            "failed to remap\n");

diff --git a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
index 572d585..e126ed0 100644 (file)
--- a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
+++ b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
@@ -676,10 +676,6 @@ struct mv88e6xxx_vtu_entry {
 
 struct mv88e6xxx_bus_ops;
 
-struct mv88e6xxx_priv_port {
-       struct net_device *bridge_dev;
-};
-
 struct mv88e6xxx_irq {
        u16 masked;
        struct irq_chip chip;
@@ -720,8 +716,6 @@ struct mv88e6xxx_chip {
         */
        struct mutex    stats_mutex;
 
-       struct mv88e6xxx_priv_port      ports[DSA_MAX_PORTS];
-
        /* A switch may have a GPIO line tied to its reset pin. Parse
         * this from the device tree, and use it before performing
         * switch soft reset.