linux-kernel - [PATCH V2 02/15] cpufreq: mediatek: Use module_init and add module

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Date:   Fri, 8 Apr 2022 12:58:55 +0800
From:   Rex-BC Chen <rex-bc.chen@...iatek.com>
To:     <rafael@...nel.org>, <viresh.kumar@...aro.org>,
        <robh+dt@...nel.org>, <krzk+dt@...nel.org>
CC:     <matthias.bgg@...il.com>, <jia-wei.chang@...iatek.com>,
        <roger.lu@...iatek.com>, <hsinyi@...gle.com>,
        <linux-pm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: [PATCH V2 02/15] cpufreq: mediatek: Use module_init and add module_exit

From: Jia-Wei Chang <jia-wei.chang@...iatek.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@...iatek.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@...aro.org>");
-- 
2.18.0