add driver 5G

hc

2024-01-31 f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2

 kernel/drivers/rtc/rtc-digicolor.c
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@@ -1,14 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0+
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 /*
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  * Real Time Clock driver for Conexant Digicolor
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  *
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  * Copyright (C) 2015 Paradox Innovation Ltd.
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  *
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  * Author: Baruch Siach <baruch@tkos.co.il>
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of the GNU General Public License as published by the
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- * Free Software Foundation; either version 2 of the License, or (at your
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- * option) any later version.
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  */
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 #include <linux/io.h>
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@@ -106,11 +102,11 @@
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 	return 0;
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 }
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-static int dc_rtc_set_mmss(struct device *dev, unsigned long secs)
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+static int dc_rtc_set_time(struct device *dev, struct rtc_time *tm)
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 {
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 	struct dc_rtc *rtc = dev_get_drvdata(dev);
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-	return dc_rtc_write(rtc, secs);
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+	return dc_rtc_write(rtc, rtc_tm_to_time64(tm));
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 }
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 static int dc_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
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@@ -161,7 +157,7 @@
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 static const struct rtc_class_ops dc_rtc_ops = {
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 	.read_time		= dc_rtc_read_time,
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-	.set_mmss		= dc_rtc_set_mmss,
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+	.set_time		= dc_rtc_set_time,
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 	.read_alarm		= dc_rtc_read_alarm,
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 	.set_alarm		= dc_rtc_set_alarm,
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 	.alarm_irq_enable	= dc_rtc_alarm_irq_enable,
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@@ -179,7 +175,6 @@
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 static int __init dc_rtc_probe(struct platform_device *pdev)
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 {
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-	struct resource *res;
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 	struct dc_rtc *rtc;
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 	int irq, ret;
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180
 
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@@ -187,10 +182,13 @@
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 	if (!rtc)
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 		return -ENOMEM;
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-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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-	rtc->regs = devm_ioremap_resource(&pdev->dev, res);
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+	rtc->regs = devm_platform_ioremap_resource(pdev, 0);
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 	if (IS_ERR(rtc->regs))
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 		return PTR_ERR(rtc->regs);
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+
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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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 	irq = platform_get_irq(pdev, 0);
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 	if (irq < 0)
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@@ -200,12 +198,11 @@
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 		return ret;
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 	platform_set_drvdata(pdev, rtc);
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-	rtc->rtc_dev = devm_rtc_device_register(&pdev->dev, pdev->name,
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-						&dc_rtc_ops, THIS_MODULE);
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-	if (IS_ERR(rtc->rtc_dev))
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-		return PTR_ERR(rtc->rtc_dev);
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-	return 0;
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+	rtc->rtc_dev->ops = &dc_rtc_ops;
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+	rtc->rtc_dev->range_max = U32_MAX;
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+
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+	return rtc_register_device(rtc->rtc_dev);
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 }
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 static const struct of_device_id dc_dt_ids[] = {