1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c
index 62d979b0f975..8243150f5b05 100644
--- a/drivers/net/ucc_geth.c
+++ b/drivers/net/ucc_geth.c
@@ -1852,6 +1852,8 @@ static int init_phy(struct net_device *dev)
         mii_info->mdio_read = &read_phy_reg;
         mii_info->mdio_write = &write_phy_reg;
 
+        spin_lock_init(&mii_info->mdio_lock);
+
         ugeth->mii_info = mii_info;
 
         spin_lock_irq(&ugeth->lock);