sparse complains about differing types from prototype to
definition, so change the u32 to phy_interface_t:
drivers/net/phy/phy_device.c:140:19: error: symbol 'phy_connect' redeclared with different type (originally declared at include/linux/phy.h:362) - incompatible argument 5 (different signedness)
drivers/net/phy/phy_device.c:190:19: error: symbol 'phy_attach' redeclared with different type (originally declared at include/linux/phy.h:360) - incompatible argument 4 (different signedness)
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
  */
 struct phy_device * phy_connect(struct net_device *dev, const char *phy_id,
                void (*handler)(struct net_device *), u32 flags,
-               u32 interface)
+               phy_interface_t interface)
 {
        struct phy_device *phydev;
 
 }
 
 struct phy_device *phy_attach(struct net_device *dev,
-               const char *phy_id, u32 flags, u32 interface)
+               const char *phy_id, u32 flags, phy_interface_t interface)
 {
        struct bus_type *bus = &mdio_bus_type;
        struct phy_device *phydev;