__mdiobus_register — bring up all the PHYs on a given bus and attach them to bus
| int __mdiobus_register ( | struct mii_bus * bus, | 
| struct module * owner ); | 
   Called by a bus driver to bring up all the PHYs
   on a given bus, and attach them to the bus. Drivers should use
   mdiobus_register rather than __mdiobus_register unless they
   need to pass a specific owner module.
   
Returns 0 on success or < 0 on error.