net: dsa: consolidate phylink creation

The code in port.c and slave.c creating the phylink instance is very
similar - let's consolidate this into a single function.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
index a5c9bc7..3fb2c37 100644 (file)
--- a/net/dsa/dsa_priv.h
+++ b/net/dsa/dsa_priv.h
@@ -258,13 +258,13 @@ int dsa_port_mrp_add_ring_role(const struct dsa_port *dp,
                               const struct switchdev_obj_ring_role_mrp *mrp);
 int dsa_port_mrp_del_ring_role(const struct dsa_port *dp,
                               const struct switchdev_obj_ring_role_mrp *mrp);
+int dsa_port_phylink_create(struct dsa_port *dp);
 int dsa_port_link_register_of(struct dsa_port *dp);
 void dsa_port_link_unregister_of(struct dsa_port *dp);
 int dsa_port_hsr_join(struct dsa_port *dp, struct net_device *hsr);
 void dsa_port_hsr_leave(struct dsa_port *dp, struct net_device *hsr);
 int dsa_port_tag_8021q_vlan_add(struct dsa_port *dp, u16 vid, bool broadcast);
 void dsa_port_tag_8021q_vlan_del(struct dsa_port *dp, u16 vid, bool broadcast);
-extern const struct phylink_mac_ops dsa_port_phylink_mac_ops;
 
 static inline bool dsa_port_offloads_bridge_port(struct dsa_port *dp,
                                                 const struct net_device *dev)

diff --git a/net/dsa/port.c b/net/dsa/port.c
index f6f12ad..eaa6611 100644 (file)
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -1072,7 +1072,7 @@ static void dsa_port_phylink_mac_link_up(struct phylink_config *config,
                                     speed, duplex, tx_pause, rx_pause);
 }
 
-const struct phylink_mac_ops dsa_port_phylink_mac_ops = {
+static const struct phylink_mac_ops dsa_port_phylink_mac_ops = {
        .validate = dsa_port_phylink_validate,
        .mac_pcs_get_state = dsa_port_phylink_mac_pcs_get_state,
        .mac_config = dsa_port_phylink_mac_config,
@@ -1081,6 +1081,30 @@ const struct phylink_mac_ops dsa_port_phylink_mac_ops = {
        .mac_link_up = dsa_port_phylink_mac_link_up,
 };
 
+int dsa_port_phylink_create(struct dsa_port *dp)
+{
+       struct dsa_switch *ds = dp->ds;
+       phy_interface_t mode;
+       int err;
+
+       err = of_get_phy_mode(dp->dn, &mode);
+       if (err)
+               mode = PHY_INTERFACE_MODE_NA;
+
+       if (ds->ops->phylink_get_interfaces)
+               ds->ops->phylink_get_interfaces(ds, dp->index,
+                                       dp->pl_config.supported_interfaces);
+
+       dp->pl = phylink_create(&dp->pl_config, of_fwnode_handle(dp->dn),
+                               mode, &dsa_port_phylink_mac_ops);
+       if (IS_ERR(dp->pl)) {
+               pr_err("error creating PHYLINK: %ld\n", PTR_ERR(dp->pl));
+               return PTR_ERR(dp->pl);
+       }
+
+       return 0;
+}
+
 static int dsa_port_setup_phy_of(struct dsa_port *dp, bool enable)
 {
        struct dsa_switch *ds = dp->ds;
@@ -1157,27 +1181,15 @@ static int dsa_port_phylink_register(struct dsa_port *dp)
 {
        struct dsa_switch *ds = dp->ds;
        struct device_node *port_dn = dp->dn;
-       phy_interface_t mode;
        int err;
 
-       err = of_get_phy_mode(port_dn, &mode);
-       if (err)
-               mode = PHY_INTERFACE_MODE_NA;
-
        dp->pl_config.dev = ds->dev;
        dp->pl_config.type = PHYLINK_DEV;
        dp->pl_config.pcs_poll = ds->pcs_poll;
 
-       if (ds->ops->phylink_get_interfaces)
-               ds->ops->phylink_get_interfaces(ds, dp->index,
-                                       dp->pl_config.supported_interfaces);
-
-       dp->pl = phylink_create(&dp->pl_config, of_fwnode_handle(port_dn),
-                               mode, &dsa_port_phylink_mac_ops);
-       if (IS_ERR(dp->pl)) {
-               pr_err("error creating PHYLINK: %ld\n", PTR_ERR(dp->pl));
-               return PTR_ERR(dp->pl);
-       }
+       err = dsa_port_phylink_create(dp);
+       if (err)
+               return err;
 
        err = phylink_of_phy_connect(dp->pl, port_dn, 0);
        if (err && err != -ENODEV) {

diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index ad61f6b..33b54ea 100644 (file)
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -1851,14 +1851,9 @@ static int dsa_slave_phy_setup(struct net_device *slave_dev)
        struct dsa_port *dp = dsa_slave_to_port(slave_dev);
        struct device_node *port_dn = dp->dn;
        struct dsa_switch *ds = dp->ds;
-       phy_interface_t mode;
        u32 phy_flags = 0;
        int ret;
 
-       ret = of_get_phy_mode(port_dn, &mode);
-       if (ret)
-               mode = PHY_INTERFACE_MODE_NA;
-
        dp->pl_config.dev = &slave_dev->dev;
        dp->pl_config.type = PHYLINK_NETDEV;
 
@@ -1871,17 +1866,9 @@ static int dsa_slave_phy_setup(struct net_device *slave_dev)
                dp->pl_config.poll_fixed_state = true;
        }
 
-       if (ds->ops->phylink_get_interfaces)
-               ds->ops->phylink_get_interfaces(ds, dp->index,
-                                       dp->pl_config.supported_interfaces);
-
-       dp->pl = phylink_create(&dp->pl_config, of_fwnode_handle(port_dn), mode,
-                               &dsa_port_phylink_mac_ops);
-       if (IS_ERR(dp->pl)) {
-               netdev_err(slave_dev,
-                          "error creating PHYLINK: %ld\n", PTR_ERR(dp->pl));
-               return PTR_ERR(dp->pl);
-       }
+       ret = dsa_port_phylink_create(dp);
+       if (ret)
+               return ret;
 
        if (ds->ops->get_phy_flags)
                phy_flags = ds->ops->get_phy_flags(ds, dp->index);