[PATCH V2 02/15] cpufreq: mediatek: Use module_init and add module_exit

[Rex-BC Chen <rex-bc.chen@mediatek.com>]

From: Jia-Wei Chang <jia-wei.chang@mediatek.com>

- Use module_init instead of device_initcall.
- Add a function for module_exit to unregister driver.

Signed-off-by: Jia-Wei Chang <jia-wei.chang@mediatek.com>
---
 drivers/cpufreq/mediatek-cpufreq.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/cpufreq/mediatek-cpufreq.c b/drivers/cpufreq/mediatek-cpufreq.c
index 866163883b48..9d7d9c8dc184 100644
--- a/drivers/cpufreq/mediatek-cpufreq.c
+++ b/drivers/cpufreq/mediatek-cpufreq.c
@@ -580,7 +580,13 @@ static int __init mtk_cpufreq_driver_init(void)
 
 	return 0;
 }
-device_initcall(mtk_cpufreq_driver_init);
+module_init(mtk_cpufreq_driver_init)
+
+static void __exit mtk_cpufreq_driver_exit(void)
+{
+	platform_driver_unregister(&mtk_cpufreq_platdrv);
+}
+module_exit(mtk_cpufreq_driver_exit)
 
 MODULE_DESCRIPTION("MediaTek CPUFreq driver");
 MODULE_AUTHOR("Pi-Cheng Chen <pi-cheng.chen@linaro.org>");
-- 
2.18.0