linux-kernel - [PATCH] rtc: fsl-ftm-alarm: Use module_init and add module

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Message-ID: <20220826070017.2340617-1-chris.zjh@huawei.com>
Date:   Fri, 26 Aug 2022 15:00:17 +0800
From:   Zhang Jianhua <chris.zjh@...wei.com>
To:     <a.zummo@...ertech.it>, <alexandre.belloni@...tlin.com>
CC:     <chris.zjh@...wei.com>, <linux-rtc@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] rtc: fsl-ftm-alarm: Use module_init and add module_exit

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

Signed-off-by: Zhang Jianhua <chris.zjh@...wei.com>
---
 drivers/rtc/rtc-fsl-ftm-alarm.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/rtc/rtc-fsl-ftm-alarm.c b/drivers/rtc/rtc-fsl-ftm-alarm.c
index c0df49fb978c..28bdc6c97b64 100644
--- a/drivers/rtc/rtc-fsl-ftm-alarm.c
+++ b/drivers/rtc/rtc-fsl-ftm-alarm.c
@@ -332,7 +332,13 @@ static int __init ftm_alarm_init(void)
 	return platform_driver_register(&ftm_rtc_driver);
 }
 
-device_initcall(ftm_alarm_init);
+static void __exit ftm_alarm_exit(void)
+{
+	platform_driver_unregister(&ftm_rtc_driver);
+}
+
+module_init(ftm_alarm_init)
+module_exit(ftm_alarm_exit)
 
 MODULE_DESCRIPTION("NXP/Freescale FlexTimer alarm driver");
 MODULE_AUTHOR("Biwen Li <biwen.li@....com>");
-- 
2.31.0