diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c
index e83acc608678..dc934347ae28 100644
--- a/drivers/net/phy/dp83640.c
+++ b/drivers/net/phy/dp83640.c
@@ -1203,6 +1203,23 @@ static void dp83640_remove(struct phy_device *phydev)
 	kfree(dp83640);
 }
 
+static int dp83640_soft_reset(struct phy_device *phydev)
+{
+	int ret;
+
+	ret = genphy_soft_reset(phydev);
+	if (ret < 0)
+		return ret;
+
+	/* From DP83640 datasheet: "Software driver code must wait 3 us
+	 * following a software reset before allowing further serial MII
+	 * operations with the DP83640."
+	 */
+	udelay(10);		/* Taking udelay inaccuracy into account */
+
+	return 0;
+}
+
 static int dp83640_config_init(struct phy_device *phydev)
 {
 	struct dp83640_private *dp83640 = phydev->priv;
@@ -1496,6 +1513,7 @@ static struct phy_driver dp83640_driver = {
 	.flags		= PHY_HAS_INTERRUPT,
 	.probe		= dp83640_probe,
 	.remove		= dp83640_remove,
+	.soft_reset	= dp83640_soft_reset,
 	.config_init	= dp83640_config_init,
 	.config_aneg	= genphy_config_aneg,
 	.read_status	= genphy_read_status,