watchdog: ep93xx_wdt: Use 'dev' instead of dereferencing it repeatedly

Introduce local variable 'struct device *dev' and use it instead of
dereferencing it repeatedly.

The conversion was done automatically with coccinelle using the
following semantic patches. The semantic patches and the scripts
used to generate this commit log are available at
https://github.com/groeck/coccinelle-patchesSigned-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

drivers/watchdog/ep93xx_wdt.c

@@ -89,12 +89,13 @@ static const struct watchdog_ops ep93xx_wdt_ops = {
 
 static int ep93xx_wdt_probe(struct platform_device *pdev)
 {
+	struct device *dev = &pdev->dev;
 	struct ep93xx_wdt_priv *priv;
 	struct watchdog_device *wdd;
 	unsigned long val;
 	int ret;
 
-	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
+	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
 
@@ -110,20 +111,20 @@ static int ep93xx_wdt_probe(struct platform_device *pdev)
 	wdd->ops = &ep93xx_wdt_ops;
 	wdd->min_timeout = 1;
 	wdd->max_hw_heartbeat_ms = 200;
-	wdd->parent = &pdev->dev;
+	wdd->parent = dev;
 
 	watchdog_set_nowayout(wdd, nowayout);
 
 	wdd->timeout = WDT_TIMEOUT;
-	watchdog_init_timeout(wdd, timeout, &pdev->dev);
+	watchdog_init_timeout(wdd, timeout, dev);
 
 	watchdog_set_drvdata(wdd, priv);
 
-	ret = devm_watchdog_register_device(&pdev->dev, wdd);
+	ret = devm_watchdog_register_device(dev, wdd);
 	if (ret)
 		return ret;
 
-	dev_info(&pdev->dev, "EP93XX watchdog driver %s\n",
+	dev_info(dev, "EP93XX watchdog driver %s\n",
 		 (val & 0x08) ? " (nCS1 disable detected)" : "");
 
 	return 0;