diff --git a/drivers/net/eth-phy-uclass.c b/drivers/net/eth-phy-uclass.c
index 27b7744..231bad6 100644
--- a/drivers/net/eth-phy-uclass.c
+++ b/drivers/net/eth-phy-uclass.c
@@ -147,7 +147,7 @@
 	return 0;
 }
 
-void eth_phy_reset(struct udevice *dev, int value)
+static void eth_phy_reset(struct udevice *dev, int value)
 {
 	struct eth_phy_device_priv *uc_priv = dev_get_uclass_priv(dev);
 	u32 delay;