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-rw-r--r--net/dsa/slave.c29
1 files changed, 22 insertions, 7 deletions
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 19bc2b39c9d1..188b69773e70 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -618,11 +618,12 @@ static int dsa_slave_fixed_link_update(struct net_device *dev,
/* slave device setup *******************************************************/
static int dsa_slave_phy_connect(struct dsa_slave_priv *p,
- struct net_device *slave_dev)
+ struct net_device *slave_dev,
+ int addr)
{
struct dsa_switch *ds = p->parent;
- p->phy = ds->slave_mii_bus->phy_map[p->port];
+ p->phy = ds->slave_mii_bus->phy_map[addr];
if (!p->phy)
return -ENODEV;
@@ -667,10 +668,24 @@ static int dsa_slave_phy_setup(struct dsa_slave_priv *p,
if (ds->drv->get_phy_flags)
phy_flags = ds->drv->get_phy_flags(ds, p->port);
- if (phy_dn)
- p->phy = of_phy_connect(slave_dev, phy_dn,
- dsa_slave_adjust_link, phy_flags,
- p->phy_interface);
+ if (phy_dn) {
+ ret = of_mdio_parse_addr(&slave_dev->dev, phy_dn);
+ /* If this PHY address is part of phys_mii_mask, which means
+ * that we need to divert reads and writes to/from it, then we
+ * want to bind this device using the slave MII bus created by
+ * DSA to make that happen.
+ */
+ if (ret >= 0 && (ds->phys_mii_mask & (1 << ret))) {
+ ret = dsa_slave_phy_connect(p, slave_dev, ret);
+ if (ret)
+ return ret;
+ } else {
+ p->phy = of_phy_connect(slave_dev, phy_dn,
+ dsa_slave_adjust_link,
+ phy_flags,
+ p->phy_interface);
+ }
+ }
if (p->phy && phy_is_fixed)
fixed_phy_set_link_update(p->phy, dsa_slave_fixed_link_update);
@@ -679,7 +694,7 @@ static int dsa_slave_phy_setup(struct dsa_slave_priv *p,
* MDIO bus instead
*/
if (!p->phy) {
- ret = dsa_slave_phy_connect(p, slave_dev);
+ ret = dsa_slave_phy_connect(p, slave_dev, p->port);
if (ret)
return ret;
} else {