Using gpio_request_one will require the probe fail-out call gpio_free,
which is missing currently.  Change to use devm_gpio_request_one to
fix the problem.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
                return;
 
        phy_reset = of_get_named_gpio(np, "phy-reset-gpios", 0);
-       err = gpio_request_one(phy_reset, GPIOF_OUT_INIT_LOW, "phy-reset");
+       err = devm_gpio_request_one(&pdev->dev, phy_reset,
+                                   GPIOF_OUT_INIT_LOW, "phy-reset");
        if (err) {
                pr_debug("FEC: failed to get gpio phy-reset: %d\n", err);
                return;