1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/net/phy/bcm7xxx.c b/drivers/net/phy/bcm7xxx.c
index 4dea85bfc545..6b701b3ded74 100644
--- a/drivers/net/phy/bcm7xxx.c
+++ b/drivers/net/phy/bcm7xxx.c
@@ -246,6 +246,13 @@ static int bcm7xxx_28nm_config_init(struct phy_device *phydev)
         pr_info_once("%s: %s PHY revision: 0x%02x, patch: %d\n",
                      dev_name(&phydev->dev), phydev->drv->name, rev, patch);
 
+        /* Dummy read to a register to workaround an issue upon reset where the
+         * internal inverter may not allow the first MDIO transaction to pass
+         * the MDIO management controller and make us return 0xffff for such
+         * reads.
+         */
+        phy_read(phydev, MII_BMSR);
+
         switch (rev) {
         case 0xb0:
                 ret = bcm7xxx_28nm_b0_afe_config_init(phydev);