net: phy: Fix "link partner" information disappear issue

[linux.git] / drivers / net / phy / phy_device.c

diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 9d2bbb13293ee0d32a1ad510dcb49bde44f3abf2..adb66a2fae18b3e54e671e497635ffcc2db803ba 100644 (file)
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -1787,7 +1787,14 @@ int genphy_read_lpa(struct phy_device *phydev)
 {
        int lpa, lpagb;
 
-       if (phydev->autoneg == AUTONEG_ENABLE && phydev->autoneg_complete) {
+       if (phydev->autoneg == AUTONEG_ENABLE) {
+               if (!phydev->autoneg_complete) {
+                       mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising,
+                                                       0);
+                       mii_lpa_mod_linkmode_lpa_t(phydev->lp_advertising, 0);
+                       return 0;
+               }
+
                if (phydev->is_gigabit_capable) {
                        lpagb = phy_read(phydev, MII_STAT1000);
                        if (lpagb < 0)
@@ -1815,6 +1822,8 @@ int genphy_read_lpa(struct phy_device *phydev)
                        return lpa;
 
                mii_lpa_mod_linkmode_lpa_t(phydev->lp_advertising, lpa);
+       } else {
+               linkmode_zero(phydev->lp_advertising);
        }
 
        return 0;