change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/drivers/rtc/rtc-sun4v.c
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@@ -1,7 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0
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 /* rtc-sun4v.c: Hypervisor based RTC for SUN4V systems.
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  *
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  * Author: David S. Miller
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- * License: GPL
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  *
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  * Copyright (C) 2008 David S. Miller <davem@davemloft.net>
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  */
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@@ -39,7 +39,7 @@
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 static int sun4v_read_time(struct device *dev, struct rtc_time *tm)
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 {
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-	rtc_time_to_tm(hypervisor_get_time(), tm);
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+	rtc_time64_to_tm(hypervisor_get_time(), tm);
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 	return 0;
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 }
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@@ -66,14 +66,7 @@
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 static int sun4v_set_time(struct device *dev, struct rtc_time *tm)
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 {
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-	unsigned long secs;
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-	int err;
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-
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-	err = rtc_tm_to_time(tm, &secs);
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-	if (err)
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-		return err;
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-
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-	return hypervisor_set_time(secs);
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+	return hypervisor_set_time(rtc_tm_to_time64(tm));
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 }
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 static const struct rtc_class_ops sun4v_rtc_ops = {
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@@ -85,13 +78,15 @@
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 {
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 	struct rtc_device *rtc;
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-	rtc = devm_rtc_device_register(&pdev->dev, "sun4v",
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-				&sun4v_rtc_ops, THIS_MODULE);
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+	rtc = devm_rtc_allocate_device(&pdev->dev);
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 	if (IS_ERR(rtc))
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 		return PTR_ERR(rtc);
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+	rtc->ops = &sun4v_rtc_ops;
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+	rtc->range_max = U64_MAX;
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 	platform_set_drvdata(pdev, rtc);
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-	return 0;
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+
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+	return rtc_register_device(rtc);
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 }
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 static struct platform_driver sun4v_rtc_driver = {