net: mdio-gpio: Use devm_gpio_request_one instead of devm_gpio_request
Using devm_gpio_request_one lets us request gpio pins with initial state
in one go.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c
index 27ab630..f6e7732 100644
--- a/drivers/net/phy/mdio-gpio.c
+++ b/drivers/net/phy/mdio-gpio.c
@@ -137,6 +137,9 @@ static struct mii_bus *mdio_gpio_bus_init(struct device *dev,
struct mii_bus *new_bus;
struct mdio_gpio_info *bitbang;
int i;
+ unsigned long mdc_flags = GPIOF_OUT_INIT_LOW;
+ unsigned long mdio_flags = GPIOF_DIR_IN;
+ unsigned long mdo_flags = GPIOF_OUT_INIT_HIGH;
bitbang = devm_kzalloc(dev, sizeof(*bitbang), GFP_KERNEL);
if (!bitbang)
@@ -174,21 +177,17 @@ static struct mii_bus *mdio_gpio_bus_init(struct device *dev,
else
strncpy(new_bus->id, "gpio", MII_BUS_ID_SIZE);
- if (devm_gpio_request(dev, bitbang->mdc, "mdc"))
+ if (devm_gpio_request_one(dev, bitbang->mdc, mdc_flags, "mdc"))
goto out_free_bus;
- if (devm_gpio_request(dev, bitbang->mdio, "mdio"))
+ if (devm_gpio_request_one(dev, bitbang->mdio, mdio_flags, "mdio"))
goto out_free_bus;
if (bitbang->mdo) {
- if (devm_gpio_request(dev, bitbang->mdo, "mdo"))
+ if (devm_gpio_request_one(dev, bitbang->mdo, mdo_flags, "mdo"))
goto out_free_bus;
- gpio_direction_output(bitbang->mdo, 1);
- gpio_direction_input(bitbang->mdio);
}
- gpio_direction_output(bitbang->mdc, 0);
-
dev_set_drvdata(dev, new_bus);
return new_bus;