diff --git a/drivers/net/phy/microchip.c b/drivers/net/phy/microchip.c
index 15f820648f826eb5f301d48078d5eb8a25d60536..7c00e508a101cc13bf1eb542c8e8c26fa51106bf 100644
--- a/drivers/net/phy/microchip.c
+++ b/drivers/net/phy/microchip.c
@@ -55,7 +55,7 @@ static int lan88xx_phy_ack_interrupt(struct phy_device *phydev)
 	return rc < 0 ? rc : 0;
 }
 
-int lan88xx_suspend(struct phy_device *phydev)
+static int lan88xx_suspend(struct phy_device *phydev)
 {
 	struct lan88xx_priv *priv = phydev->priv;