linux-kernel - [PATCH -next] rtc: fsl-ftm-alarm: Use module_platform_driver replace device

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Date:   Tue, 6 Sep 2022 22:30:37 +0800
From:   Zhang Jianhua <chris.zjh@...wei.com>
To:     <a.zummo@...ertech.it>, <alexandre.belloni@...tlin.com>,
        <rasmus.villemoes@...vas.dk>
CC:     <linux-rtc@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH -next] rtc: fsl-ftm-alarm: Use module_platform_driver replace device_initcall

The ftm_rtc_driver has been registered while module init, however there
is not unregister step for module exit, now use the macro
module_platform_driver replace device_initcall, which can register and
unregister platform driver automatically.

Signed-off-by: Zhang Jianhua <chris.zjh@...wei.com>
---
 drivers/rtc/rtc-fsl-ftm-alarm.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/rtc/rtc-fsl-ftm-alarm.c b/drivers/rtc/rtc-fsl-ftm-alarm.c
index c0df49fb978c..3d7c4077fe1c 100644
--- a/drivers/rtc/rtc-fsl-ftm-alarm.c
+++ b/drivers/rtc/rtc-fsl-ftm-alarm.c
@@ -327,12 +327,7 @@ static struct platform_driver ftm_rtc_driver = {
 	},
 };
 
-static int __init ftm_alarm_init(void)
-{
-	return platform_driver_register(&ftm_rtc_driver);
-}
-
-device_initcall(ftm_alarm_init);
+module_platform_driver(ftm_rtc_driver);
 
 MODULE_DESCRIPTION("NXP/Freescale FlexTimer alarm driver");
 MODULE_AUTHOR("Biwen Li <biwen.li@....com>");
-- 
2.31.0