x86: irst: use module_acpi_driver to simplify the code

module_acpi_driver() makes the code simpler by eliminating
boilerplate code.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>

diff --git a/drivers/platform/x86/intel-rst.c b/drivers/platform/x86/intel-rst.c
index 9385afd9b5582c5042946efc10da1630e25ffa30..41b740cb28bca8743ea282bbf2fb5639a2f4266c 100644 (file)
--- a/drivers/platform/x86/intel-rst.c
+++ b/drivers/platform/x86/intel-rst.c
@@ -193,17 +193,6 @@ static struct acpi_driver irst_driver = {
        },
 };
 
-static int irst_init(void)
-{
-       return acpi_bus_register_driver(&irst_driver);
-}
-
-static void irst_exit(void)
-{
-       acpi_bus_unregister_driver(&irst_driver);
-}
-
-module_init(irst_init);
-module_exit(irst_exit);
+module_acpi_driver(irst_driver);
 
 MODULE_DEVICE_TABLE(acpi, irst_ids);