write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/rtc/rtc-da9063.c
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@@ -1,15 +1,7 @@
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-/* rtc-da9063.c - Real time clock device driver for DA9063
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+// SPDX-License-Identifier: GPL-2.0+
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+/*
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+ * Real time clock device driver for DA9063
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  * Copyright (C) 2013-2015  Dialog Semiconductor Ltd.
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * as published by the Free Software Foundation; either version 2
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- * of the License, or (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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  */
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 #include <linux/delay.h>
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@@ -247,8 +239,8 @@
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 	da9063_data_to_tm(data, tm, rtc);
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-	rtc_tm_to_time(tm, &tm_secs);
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-	rtc_tm_to_time(&rtc->alarm_time, &al_secs);
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+	tm_secs = rtc_tm_to_time64(tm);
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+	al_secs = rtc_tm_to_time64(&rtc->alarm_time);
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 	/* handle the rtc synchronisation delay */
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 	if (rtc->rtc_sync == true && al_secs - tm_secs == 1)
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@@ -472,10 +464,13 @@
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 	platform_set_drvdata(pdev, rtc);
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-	rtc->rtc_dev = devm_rtc_device_register(&pdev->dev, DA9063_DRVNAME_RTC,
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-					   &da9063_rtc_ops, THIS_MODULE);
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+	rtc->rtc_dev = devm_rtc_allocate_device(&pdev->dev);
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 	if (IS_ERR(rtc->rtc_dev))
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 		return PTR_ERR(rtc->rtc_dev);
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+
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+	rtc->rtc_dev->ops = &da9063_rtc_ops;
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+	rtc->rtc_dev->range_min = RTC_TIMESTAMP_BEGIN_2000;
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+	rtc->rtc_dev->range_max = RTC_TIMESTAMP_END_2063;
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 	da9063_data_to_tm(data, &rtc->alarm_time, rtc);
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 	rtc->rtc_sync = false;
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@@ -488,6 +483,9 @@
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 		rtc->rtc_dev->uie_unsupported = 1;
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 	irq_alarm = platform_get_irq_byname(pdev, "ALARM");
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+	if (irq_alarm < 0)
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+		return irq_alarm;
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+
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 	ret = devm_request_threaded_irq(&pdev->dev, irq_alarm, NULL,
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 					da9063_alarm_event,
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 					IRQF_TRIGGER_LOW | IRQF_ONESHOT,
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@@ -496,7 +494,7 @@
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 		dev_err(&pdev->dev, "Failed to request ALARM IRQ %d: %d\n",
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 			irq_alarm, ret);
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-	return ret;
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+	return rtc_register_device(rtc->rtc_dev);
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 }
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 static struct platform_driver da9063_rtc_driver = {