watchdog: imx2_wdt: use devm_clk_get()

Use devm_clk_get() to make cleanup paths more simple.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

drivers/watchdog/imx2_wdt.c

@@ -261,7 +261,7 @@ static int __init imx2_wdt_probe(struct platform_device *pdev)
 	if (IS_ERR(imx2_wdt.base))
 		return PTR_ERR(imx2_wdt.base);
 
-	imx2_wdt.clk = clk_get(&pdev->dev, NULL);
+	imx2_wdt.clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(imx2_wdt.clk)) {
 		dev_err(&pdev->dev, "can't get Watchdog clock\n");
 		return PTR_ERR(imx2_wdt.clk);
@@ -286,7 +286,6 @@ static int __init imx2_wdt_probe(struct platform_device *pdev)
 
 fail:
 	imx2_wdt_miscdev.parent = NULL;
-	clk_put(imx2_wdt.clk);
 	return ret;
 }
 
@@ -299,8 +298,7 @@ static int __exit imx2_wdt_remove(struct platform_device *pdev)
 
 		dev_crit(imx2_wdt_miscdev.parent,
 			"Device removed: Expect reboot!\n");
-	} else
-		clk_put(imx2_wdt.clk);
+	}
 
 	imx2_wdt_miscdev.parent = NULL;
 	return 0;