[PATCH] ARM: OMAP: omap-wdt: Use struct platform_driver

omap-wdt: Use struct platform_driver
Signed-off-by: Komal Shah <komal_shah802003@yahoo.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

drivers/char/watchdog/omap_wdt.c

@@ -238,9 +238,8 @@ static struct miscdevice omap_wdt_miscdev = {
 	.fops = &omap_wdt_fops
 };
 
-static int __init omap_wdt_probe(struct device *dev)
+static int __init omap_wdt_probe(struct platform_device *pdev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
 	struct resource *res, *mem;
 	int ret;
 
@@ -254,12 +253,12 @@ static int __init omap_wdt_probe(struct device *dev)
 	if (mem == NULL)
 		return -EBUSY;
 
-	dev_set_drvdata(dev, mem);
+	platform_set_drvdata(pdev, mem);
 
 	omap_wdt_users = 0;
 
 	if (cpu_is_omap16xx()) {
-		armwdt_ck = clk_get(dev, "armwdt_ck");
+		armwdt_ck = clk_get(&pdev->dev, "armwdt_ck");
 		if (IS_ERR(armwdt_ck)) {
 			ret = PTR_ERR(armwdt_ck);
 			armwdt_ck = NULL;
@@ -268,13 +267,13 @@ static int __init omap_wdt_probe(struct device *dev)
 	}
 
 	if (cpu_is_omap24xx()) {
-		mpu_wdt_ick = clk_get(dev, "mpu_wdt_ick");
+		mpu_wdt_ick = clk_get(&pdev->dev, "mpu_wdt_ick");
 		if (IS_ERR(mpu_wdt_ick)) {
 			ret = PTR_ERR(mpu_wdt_ick);
 			mpu_wdt_ick = NULL;
 			goto fail;
 		}
-		mpu_wdt_fck = clk_get(dev, "mpu_wdt_fck");
+		mpu_wdt_fck = clk_get(&pdev->dev, "mpu_wdt_fck");
 		if (IS_ERR(mpu_wdt_fck)) {
 			ret = PTR_ERR(mpu_wdt_fck);
 			mpu_wdt_fck = NULL;
@@ -285,7 +284,7 @@ static int __init omap_wdt_probe(struct device *dev)
 	omap_wdt_disable();
 	omap_wdt_adjust_timeout(timer_margin);
 
-	omap_wdt_miscdev.dev = dev;
+	omap_wdt_miscdev.dev = &pdev->dev;
 	ret = misc_register(&omap_wdt_miscdev);
 	if (ret)
 		goto fail;
@@ -307,14 +306,14 @@ fail:
 	return ret;
 }
 
-static void omap_wdt_shutdown(struct device *dev)
+static void omap_wdt_shutdown(struct platform_device *pdev)
 {
 	omap_wdt_disable();
 }
 
-static int __exit omap_wdt_remove(struct device *dev)
+static int omap_wdt_remove(struct platform_device *pdev)
 {
-	struct resource *mem = dev_get_drvdata(dev);
+	struct resource *mem = platform_get_drvdata(pdev);
 	misc_deregister(&omap_wdt_miscdev);
 	release_resource(mem);
 	if (armwdt_ck)
@@ -334,14 +333,14 @@ static int __exit omap_wdt_remove(struct device *dev)
  * may not play well enough with NOWAYOUT...
  */
 
-static int omap_wdt_suspend(struct device *dev, pm_message_t state)
+static int omap_wdt_suspend(struct platform_device *pdev, pm_message_t state)
 {
 	if (omap_wdt_users)
 		omap_wdt_disable();
 	return 0;
 }
 
-static int omap_wdt_resume(struct device *dev)
+static int omap_wdt_resume(struct platform_device *pdev)
 {
 	if (omap_wdt_users) {
 		omap_wdt_enable();
@@ -355,24 +354,26 @@ static int omap_wdt_resume(struct device *dev)
 #define	omap_wdt_resume		NULL
 #endif
 
-static struct device_driver omap_wdt_driver = {
-	.name = "omap_wdt",
-	.bus = &platform_bus_type,
+static struct platform_driver omap_wdt_driver = {
 	.probe		= omap_wdt_probe,
+	.remove		= omap_wdt_remove,
 	.shutdown	= omap_wdt_shutdown,
-	.remove = __exit_p(omap_wdt_remove),
 	.suspend	= omap_wdt_suspend,
 	.resume		= omap_wdt_resume,
+	.driver		= {
+		.owner	= THIS_MODULE,
+		.name	= "omap-wdt",
+	},
 };
 
 static int __init omap_wdt_init(void)
 {
-	return driver_register(&omap_wdt_driver);
+	return platform_driver_register(&omap_wdt_driver);
 }
 
 static void __exit omap_wdt_exit(void)
 {
-	driver_unregister(&omap_wdt_driver);
+	platform_driver_unregister(&omap_wdt_driver);
 }
 
 module_init(omap_wdt_init);