rtc: rtc-mxc: convert to module_platform_driver

Converting to module_platform_driver can make the code smaller and cleaner.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/rtc/rtc-mxc.c

@@ -343,7 +343,7 @@ static struct rtc_class_ops mxc_rtc_ops = {
 	.alarm_irq_enable	= mxc_rtc_alarm_irq_enable,
 };
 
-static int __init mxc_rtc_probe(struct platform_device *pdev)
+static int __devinit mxc_rtc_probe(struct platform_device *pdev)
 {
 	struct resource *res;
 	struct rtc_device *rtc;
@@ -433,7 +433,7 @@ static int __init mxc_rtc_probe(struct platform_device *pdev)
 	return ret;
 }
 
-static int __exit mxc_rtc_remove(struct platform_device *pdev)
+static int __devexit mxc_rtc_remove(struct platform_device *pdev)
 {
 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
 
@@ -480,21 +480,11 @@ static struct platform_driver mxc_rtc_driver = {
 #endif
 		   .owner	= THIS_MODULE,
 	},
-	.remove		= __exit_p(mxc_rtc_remove),
+	.probe = mxc_rtc_probe,
+	.remove = __devexit_p(mxc_rtc_remove),
 };
 
-static int __init mxc_rtc_init(void)
-{
-	return platform_driver_probe(&mxc_rtc_driver, mxc_rtc_probe);
-}
-
-static void __exit mxc_rtc_exit(void)
-{
-	platform_driver_unregister(&mxc_rtc_driver);
-}
-
-module_init(mxc_rtc_init);
-module_exit(mxc_rtc_exit);
+module_platform_driver(mxc_rtc_driver)
 
 MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>");
 MODULE_DESCRIPTION("RTC driver for Freescale MXC");