netdev - [PATCH net-next 1/3] net: mdio-gpio: Use devm_gpio_request_one instead of devm_gpio

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 11 Jan 2017 12:59:49 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, andrew@...n.ch,
        vivien.didelot@...oirfairelinux.com, cphealy@...il.com,
        linux@...ck-us.net, Florian Fainelli <f.fainelli@...il.com>
Subject: [PATCH net-next 1/3] net: mdio-gpio: Use devm_gpio_request_one instead of devm_gpio_request

From: Guenter Roeck <linux@...ck-us.net>

Using devm_gpio_request_one lets us request gpio pins with initial state
in one go.

Signed-off-by: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 drivers/net/phy/mdio-gpio.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c
index 27ab63064f95..f6e773256c82 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;
-- 
2.9.3