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-rw-r--r--drivers/net/phy/phylink.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index e5c2a56e3711..aeb8a56a1323 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -711,7 +711,8 @@ static void phylink_phy_change(struct phy_device *phydev, bool up,
phy_duplex_to_str(phydev->duplex));
}
-static int phylink_bringup_phy(struct phylink *pl, struct phy_device *phy)
+static int phylink_bringup_phy(struct phylink *pl, struct phy_device *phy,
+ phy_interface_t interface)
{
struct phylink_link_state config;
__ETHTOOL_DECLARE_LINK_MODE_MASK(supported);
@@ -729,7 +730,7 @@ static int phylink_bringup_phy(struct phylink *pl, struct phy_device *phy)
memset(&config, 0, sizeof(config));
linkmode_copy(supported, phy->supported);
linkmode_copy(config.advertising, phy->advertising);
- config.interface = pl->link_config.interface;
+ config.interface = interface;
ret = phylink_validate(pl, supported, &config);
if (ret)
@@ -745,6 +746,7 @@ static int phylink_bringup_phy(struct phylink *pl, struct phy_device *phy)
mutex_lock(&phy->lock);
mutex_lock(&pl->state_mutex);
pl->phydev = phy;
+ pl->phy_state.interface = interface;
linkmode_copy(pl->supported, supported);
linkmode_copy(pl->link_config.advertising, config.advertising);
@@ -807,7 +809,7 @@ int phylink_connect_phy(struct phylink *pl, struct phy_device *phy)
if (ret < 0)
return ret;
- ret = phylink_bringup_phy(pl, phy);
+ ret = phylink_bringup_phy(pl, phy, pl->link_config.interface);
if (ret)
phy_detach(phy);
@@ -860,7 +862,7 @@ int phylink_of_phy_connect(struct phylink *pl, struct device_node *dn,
if (!phy_dev)
return -ENODEV;
- ret = phylink_bringup_phy(pl, phy_dev);
+ ret = phylink_bringup_phy(pl, phy_dev, pl->link_config.interface);
if (ret)
phy_detach(phy_dev);
@@ -1809,13 +1811,22 @@ static void phylink_sfp_link_up(void *upstream)
static int phylink_sfp_connect_phy(void *upstream, struct phy_device *phy)
{
struct phylink *pl = upstream;
+ phy_interface_t interface = pl->link_config.interface;
int ret;
ret = phylink_attach_phy(pl, phy, pl->link_config.interface);
if (ret < 0)
return ret;
- ret = phylink_bringup_phy(pl, phy);
+ /* Clause 45 PHYs switch their Serdes lane between several different
+ * modes, normally 10GBASE-R, SGMII. Some use 2500BASE-X for 2.5G
+ * speeds. We really need to know which interface modes the PHY and
+ * MAC supports to properly work out which linkmodes can be supported.
+ */
+ if (phy->is_c45)
+ interface = PHY_INTERFACE_MODE_NA;
+
+ ret = phylink_bringup_phy(pl, phy, interface);
if (ret)
phy_detach(phy);