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authorFlorian Fainelli <f.fainelli@gmail.com>2014-08-27 17:04:54 -0700
committerDavid S. Miller <davem@davemloft.net>2014-08-27 22:59:40 -0700
commitce31b31c68e7e39f29b1257581fbd08ce3ca5589 (patch)
tree504543fb702e6d4d0b716d7d2eaf763191d07627 /net/dsa
parentec9436baedb689668c409cfc8b69eb9573b0d661 (diff)
downloadlinux-ce31b31c68e7e39f29b1257581fbd08ce3ca5589.tar.gz
net: dsa: allow updating fixed PHY link information
Allow switch drivers to hook a PHY link update callback to perform
port-specific link work.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dsa')
-rw-r--r--net/dsa/slave.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 398d0663d3dd..18ff53836fe3 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -358,6 +358,18 @@ static void dsa_slave_adjust_link(struct net_device *dev)
 		phy_print_status(p->phy);
 }
 
+static int dsa_slave_fixed_link_update(struct net_device *dev,
+				       struct fixed_phy_status *status)
+{
+	struct dsa_slave_priv *p = netdev_priv(dev);
+	struct dsa_switch *ds = p->parent;
+
+	if (ds->drv->fixed_link_update)
+		ds->drv->fixed_link_update(ds, p->port, status);
+
+	return 0;
+}
+
 /* slave device setup *******************************************************/
 static void dsa_slave_phy_setup(struct dsa_slave_priv *p,
 				struct net_device *slave_dev)
@@ -365,6 +377,7 @@ static void dsa_slave_phy_setup(struct dsa_slave_priv *p,
 	struct dsa_switch *ds = p->parent;
 	struct dsa_chip_data *cd = ds->pd;
 	struct device_node *phy_dn, *port_dn;
+	bool phy_is_fixed = false;
 	int ret;
 
 	port_dn = cd->port_dn[p->port];
@@ -380,6 +393,7 @@ static void dsa_slave_phy_setup(struct dsa_slave_priv *p,
 			pr_err("failed to register fixed PHY\n");
 			return;
 		}
+		phy_is_fixed = true;
 		phy_dn = port_dn;
 	}
 
@@ -388,6 +402,9 @@ static void dsa_slave_phy_setup(struct dsa_slave_priv *p,
 					dsa_slave_adjust_link, 0,
 					p->phy_interface);
 
+	if (p->phy && phy_is_fixed)
+		fixed_phy_set_link_update(p->phy, dsa_slave_fixed_link_update);
+
 	/* We could not connect to a designated PHY, so use the switch internal
 	 * MDIO bus instead
 	 */