999-HACK-mdio-read-debug.patch

--- a/drivers/net/mdio/mdio-ipq8064.c
+++ b/drivers/net/mdio/mdio-ipq8064.c
@@ -59,8 +59,10 @@ ipq8064_mdio_read(struct mii_bus *bus, int phy_addr, int reg_offset)
 {
 	struct ipq8064_mdio *priv = bus->priv;
 	u32 miiaddr = MII_BUSY | MII_CLKRANGE_20_35M;
-	u32 ret_val;
+	u32 ret_val = 0;
+	u32 old_val = 0;
 	int err;
+	int i;
 
 	/* Reject clause 45 */
 	if (reg_offset & MII_ADDR_C45)
@@ -79,7 +81,15 @@ ipq8064_mdio_read(struct mii_bus *bus, int phy_addr, int reg_offset)
 	if (err)
 		return err;
 
-	regmap_read(priv->base, MII_DATA_REG_ADDR, &ret_val);
+	regmap_read(priv->base, MII_DATA_REG_ADDR, &old_val);
+
+	for (i = 0; i < 4; i++) {
+		regmap_read(priv->base, MII_DATA_REG_ADDR, &ret_val);
+		if (ret_val != old_val)
+			pr_info("READ DIFFERENT VALUE cur: %d  old: %d from offset %d", ret_val, old_val, reg_offset);
+		old_val = ret_val;
+	}
+
 	return (int)(ret_val & 0xFFFF);
 }