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Message-Id: <1406074570-13246-2-git-send-email-ezequiel.garcia@free-electrons.com>
Date: Tue, 22 Jul 2014 21:16:09 -0300
From: Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>
To: <netdev@...r.kernel.org>
Cc: David Miller <davem@...emloft.net>,
Florian Fainelli <f.fainelli@...il.com>,
Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
Gregory Clement <gregory.clement@...e-electrons.com>,
Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>
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 <ezequiel.garcia@...e-electrons.com>
---
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);
--
2.0.1
--
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