misc: arm-charlcd: use module_platform_driver_probe()

This patch uses module_platform_driver_probe() macro which makes
the code smaller and simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/arm-charlcd.c

@@ -378,18 +378,7 @@ static struct platform_driver charlcd_driver = {
 	.remove = __exit_p(charlcd_remove),
 };
 
-static int __init charlcd_init(void)
-{
-	return platform_driver_probe(&charlcd_driver, charlcd_probe);
-}
-
-static void __exit charlcd_exit(void)
-{
-	platform_driver_unregister(&charlcd_driver);
-}
-
-module_init(charlcd_init);
-module_exit(charlcd_exit);
+module_platform_driver_probe(charlcd_driver, charlcd_probe);
 
 MODULE_AUTHOR("Linus Walleij <triad@df.lth.se>");
 MODULE_DESCRIPTION("ARM Character LCD Driver");