mdio-gpio: Add mdc pin direction initialization

mdc pin should always be output. Initialize it as output,
so each board code does not need to do this.

Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c
index a439ebeb4319..af28ff7ae176 100644
--- a/drivers/net/phy/mdio-gpio.c
+++ b/drivers/net/phy/mdio-gpio.c
@@ -125,6 +125,8 @@ static int __devinit mdio_gpio_bus_init(struct device *dev,
         if (gpio_request(bitbang->mdio, "mdio"))
                 goto out_free_mdc;
 
+        gpio_direction_output(bitbang->mdc, 0);
+
         dev_set_drvdata(dev, new_bus);
 
         ret = mdiobus_register(new_bus);