netdev - [PATCH 2/3] net: fec: convert to using gpiod framework

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-Id: <1448883168-30742-3-git-send-email-LW@KARO-electronics.de>
Date:	Mon, 30 Nov 2015 12:32:47 +0100
From:	Lothar Waßmann <LW@...O-electronics.de>
To:	Andrew Lunn <andrew@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Fabio Estevam <fabio.estevam@...escale.com>,
	Greg Ungerer <gerg@...inux.org>,
	Kevin Hao <haokexin@...il.com>,
	Lothar Waßmann <LW@...O-electronics.de>,
	Lucas Stach <l.stach@...gutronix.de>,
	Nimrod Andy <B38611@...escale.com>,
	Philippe Reynes <tremyfr@...il.com>,
	Richard Cochran <richardcochran@...il.com>,
	Russell King <rmk+kernel@....linux.org.uk>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Stefan Agner <stefan@...er.ch>, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
Subject: [PATCH 2/3] net: fec: convert to using gpiod framework

Use gpiod_get_optional() instead of checking for a valid GPIO number
and calling devm_gpio_request_one() conditionally.

Signed-off-by: Lothar Waßmann <LW@...O-electronics.de>
---
 drivers/net/ethernet/freescale/fec_main.c | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index e17d74f..1a983fc 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -3233,7 +3233,7 @@ static int fec_enet_init(struct net_device *ndev)
 #ifdef CONFIG_OF
 static void fec_reset_phy(struct platform_device *pdev)
 {
-	int err, phy_reset;
+	struct gpio_desc *phy_reset;
 	int msec = 1;
 	struct device_node *np = pdev->dev.of_node;
 
@@ -3245,18 +3245,15 @@ static void fec_reset_phy(struct platform_device *pdev)
 	if (msec > 1000)
 		msec = 1;
 
-	phy_reset = of_get_named_gpio(np, "phy-reset-gpios", 0);
-	if (!gpio_is_valid(phy_reset))
-		return;
-
-	err = devm_gpio_request_one(&pdev->dev, phy_reset,
-				    GPIOF_OUT_INIT_LOW, "phy-reset");
-	if (err) {
-		dev_err(&pdev->dev, "failed to get phy-reset-gpios: %d\n", err);
+	phy_reset = devm_gpiod_get_optional(&pdev->dev, "phy-reset",
+					    GPIOD_OUT_LOW);
+	if (IS_ERR(phy_reset)) {
+		dev_err(&pdev->dev, "failed to get phy-reset-gpios: %ld\n",
+			PTR_ERR(phy_reset));
 		return;
 	}
 	msleep(msec);
-	gpio_set_value_cansleep(phy_reset, 1);
+	gpiod_set_value_cansleep(phy_reset, 1);
 }
 #else /* CONFIG_OF */
 static void fec_reset_phy(struct platform_device *pdev)
-- 
2.1.4

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html