add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/rtc/systohc.c
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@@ -1,9 +1,4 @@
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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 version 2 as published by
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- * the Free Software Foundation.
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- *
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- */
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+// SPDX-License-Identifier: GPL-2.0
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 #include <linux/rtc.h>
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 #include <linux/time.h>
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..
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@@ -35,8 +30,7 @@
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 	if (!rtc)
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 		goto out_err;
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-	if (!rtc->ops || (!rtc->ops->set_time && !rtc->ops->set_mmss64 &&
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-			  !rtc->ops->set_mmss))
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+	if (!rtc->ops || !rtc->ops->set_time)
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 		goto out_close;
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 	/* Compute the value of tv_nsec we require the caller to supply in
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@@ -58,9 +52,6 @@
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 	rtc_time64_to_tm(to_set.tv_sec, &tm);
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-	/* rtc_hctosys exclusively uses UTC, so we call set_time here, not
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-	 * set_mmss.
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-	 */
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 	err = rtc_set_time(rtc, &tm);
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 out_close: