phy: miphy28lp: unlock on error in miphy28lp_init()

We need to unlock before returning the -EINVAL here.

Signed-off-by: Dan Carpenter <[email protected]>
Acked-by: Gabriel Fernandez <[email protected]>
Signed-off-by: Kishon Vijay Abraham I <[email protected]>

drivers/phy/phy-miphy28lp.c

@@ -1050,7 +1050,8 @@ static int miphy28lp_init(struct phy *phy)
 		ret = miphy28lp_init_usb3(miphy_phy);
 		break;
 	default:
-		return -EINVAL;
+		ret = -EINVAL;
+		break;
 	}
 
 	mutex_unlock(&miphy_dev->miphy_mutex);