rtc: rtc-pxa: use module_platform_driver_probe()

Use module_platform_driver_probe() macro which makes the code smaller and
simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/rtc/rtc-pxa.c

@@ -452,18 +452,7 @@ static struct platform_driver pxa_rtc_driver = {
 	},
 };
 
-static int __init pxa_rtc_init(void)
-{
-	return platform_driver_probe(&pxa_rtc_driver, pxa_rtc_probe);
-}
-
-static void __exit pxa_rtc_exit(void)
-{
-	platform_driver_unregister(&pxa_rtc_driver);
-}
-
-module_init(pxa_rtc_init);
-module_exit(pxa_rtc_exit);
+module_platform_driver_probe(pxa_rtc_driver, pxa_rtc_probe);
 
 MODULE_AUTHOR("Robert Jarzmik <robert.jarzmik@free.fr>");
 MODULE_DESCRIPTION("PXA27x/PXA3xx Realtime Clock Driver (RTC)");