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2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/drivers/rtc/rtc-pl030.c
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@@ -1,11 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *  linux/drivers/rtc/rtc-pl030.c
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  *
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  *  Copyright (C) 2000-2001 Deep Blue Solutions Ltd.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  */
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 #include <linux/module.h>
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 #include <linux/rtc.h>
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@@ -39,32 +36,24 @@
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 {
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 	struct pl030_rtc *rtc = dev_get_drvdata(dev);
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-	rtc_time_to_tm(readl(rtc->base + RTC_MR), &alrm->time);
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+	rtc_time64_to_tm(readl(rtc->base + RTC_MR), &alrm->time);
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 	return 0;
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 }
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42
 
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 static int pl030_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
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 {
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 	struct pl030_rtc *rtc = dev_get_drvdata(dev);
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-	unsigned long time;
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-	int ret;
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-	/*
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-	 * At the moment, we can only deal with non-wildcarded alarm times.
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-	 */
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-	ret = rtc_valid_tm(&alrm->time);
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-	if (ret == 0)
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-		ret = rtc_tm_to_time(&alrm->time, &time);
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-	if (ret == 0)
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-		writel(time, rtc->base + RTC_MR);
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-	return ret;
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+	writel(rtc_tm_to_time64(&alrm->time), rtc->base + RTC_MR);
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+
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+	return 0;
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 }
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 static int pl030_read_time(struct device *dev, struct rtc_time *tm)
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 {
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 	struct pl030_rtc *rtc = dev_get_drvdata(dev);
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-	rtc_time_to_tm(readl(rtc->base + RTC_DR), tm);
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+	rtc_time64_to_tm(readl(rtc->base + RTC_DR), tm);
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 	return 0;
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 }
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@@ -80,14 +69,10 @@
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 static int pl030_set_time(struct device *dev, struct rtc_time *tm)
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 {
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 	struct pl030_rtc *rtc = dev_get_drvdata(dev);
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-	unsigned long time;
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-	int ret;
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-	ret = rtc_tm_to_time(tm, &time);
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-	if (ret == 0)
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-		writel(time + 1, rtc->base + RTC_LR);
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+	writel(rtc_tm_to_time64(tm) + 1, rtc->base + RTC_LR);
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-	return ret;
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+	return 0;
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 }
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 static const struct rtc_class_ops pl030_ops = {
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@@ -119,6 +104,7 @@
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 	}
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 	rtc->rtc->ops = &pl030_ops;
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+	rtc->rtc->range_max = U32_MAX;
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 	rtc->base = ioremap(dev->res.start, resource_size(&dev->res));
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 	if (!rtc->base) {
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 		ret = -ENOMEM;
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@@ -151,7 +137,7 @@
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 	return ret;
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 }
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-static int pl030_remove(struct amba_device *dev)
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+static void pl030_remove(struct amba_device *dev)
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 {
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 	struct pl030_rtc *rtc = amba_get_drvdata(dev);
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@@ -160,8 +146,6 @@
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 	free_irq(dev->irq[0], rtc);
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 	iounmap(rtc->base);
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 	amba_release_regions(dev);
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-
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-	return 0;
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 }
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 static struct amba_id pl030_ids[] = {