1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index 4d02b27df044..b5a8f750e433 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -637,6 +637,10 @@ static int m88e1510_config_aneg(struct phy_device *phydev)
         if (err < 0)
                 goto error;
 
+        /* Do not touch the fiber page if we're in copper->sgmii mode */
+        if (phydev->interface == PHY_INTERFACE_MODE_SGMII)
+                return 0;
+
         /* Then the fiber link */
         err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
         if (err < 0)