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net: phy: Set the driver when registering an MDIO bus device 

mdiobus_register() registers a device which is already bound to a driver.
Hence, the driver pointer should be set properly in order to track down
the driver associated to the MDIO bus.

This will be used to allow ethernet driver to pin down a MDIO bus driver,
preventing it from being unloaded while the PHY device is running.

Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ezequiel Garcia 2014-07-23 16:47:31 -03:00 committed by David S. Miller
parent 042d7654ec
commit a71e3c3796
1 changed files with 1 additions and 0 deletions
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1
drivers/net/phy/mdio_bus.c
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@ -255,6 +255,7 @@ int mdiobus_register(struct mii_bus *bus)
bus->dev.parent = bus->parent;
bus->dev.class = &mdio_bus_class;
bus->dev.driver = bus->parent->driver;
bus->dev.groups = NULL;
dev_set_name(&bus->dev, "%s", bus->id);