linux-kernel - [PATCH RESEND 1/2] watchdog: mtx1-wdt: use devm_gpio_request

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Date:	Mon, 29 Apr 2013 18:30:43 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Andrew Morton' <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, 'Wim Van Sebroeck' <wim@...ana.be>,
	linux-watchdog@...r.kernel.org, 'Jingoo Han' <jg1.han@...sung.com>
Subject: [PATCH RESEND 1/2] watchdog: mtx1-wdt: use devm_gpio_request_one()

Use devm_gpio_request_one() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@...sung.com>
---
 drivers/watchdog/mtx-1_wdt.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/drivers/watchdog/mtx-1_wdt.c b/drivers/watchdog/mtx-1_wdt.c
index 14dab6f..b434111 100644
--- a/drivers/watchdog/mtx-1_wdt.c
+++ b/drivers/watchdog/mtx-1_wdt.c
@@ -209,7 +209,7 @@ static int mtx1_wdt_probe(struct platform_device *pdev)
 	int ret;
 
 	mtx1_wdt_device.gpio = pdev->resource[0].start;
-	ret = gpio_request_one(mtx1_wdt_device.gpio,
+	ret = devm_gpio_request_one(&pdev->dev, mtx1_wdt_device.gpio,
 				GPIOF_OUT_INIT_HIGH, "mtx1-wdt");
 	if (ret < 0) {
 		dev_err(&pdev->dev, "failed to request gpio");
@@ -241,7 +241,6 @@ static int mtx1_wdt_remove(struct platform_device *pdev)
 		wait_for_completion(&mtx1_wdt_device.stop);
 	}
 
-	gpio_free(mtx1_wdt_device.gpio);
 	misc_deregister(&mtx1_wdt_misc);
 	return 0;
 }
-- 
1.7.2.5


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