1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index f794ff3a10c2..2a2aaa5f3e74 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -1739,13 +1739,17 @@ EXPORT_SYMBOL(genphy_update_link);
  */
 int genphy_read_status(struct phy_device *phydev)
 {
-        int adv, lpa, lpagb, err;
+        int adv, lpa, lpagb, err, old_link = phydev->link;
 
         /* Update the link, but return if there was an error */
         err = genphy_update_link(phydev);
         if (err)
                 return err;
 
+        /* why bother the PHY if nothing can have changed */
+        if (phydev->autoneg == AUTONEG_ENABLE && old_link && phydev->link)
+                return 0;
+
         phydev->speed = SPEED_UNKNOWN;
         phydev->duplex = DUPLEX_UNKNOWN;
         phydev->pause = 0;