1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index fc9bda9bc36c..6ece4295d78f 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -1702,7 +1702,8 @@ static int sh_mdio_init(struct net_device *ndev, int id,
         /* Hook up MII support for ethtool */
         mdp->mii_bus->name = "sh_mii";
         mdp->mii_bus->parent = &ndev->dev;
-        snprintf(mdp->mii_bus->id, MII_BUS_ID_SIZE, "%x", id);
+        snprintf(mdp->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x",
+                mdp->pdev->name, pdid);
 
         /* PHY IRQ */
         mdp->mii_bus->irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL);