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Date:	Tue, 22 Jul 2014 21:16:09 -0300
From:	Ezequiel Garcia <>
To:	<>
Cc:	David Miller <>,
	Florian Fainelli <>,
	Thomas Petazzoni <>,
	Gregory Clement <>,
	Ezequiel Garcia <>
Subject: [PATCH 1/2] 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.

Signed-off-by: Ezequiel Garcia <>
 drivers/net/phy/mdio_bus.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 4eaadcf..203651e 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -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);

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