add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/rtc/rtc-m48t59.c
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@@ -1,13 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * ST M48T59 RTC driver
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  *
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  * Copyright (c) 2007 Wind River Systems, Inc.
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  *
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  * Author: Mark Zhan <rongkai.zhan@windriver.com>
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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/kernel.h>
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@@ -99,9 +96,7 @@
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 	M48T59_CLEAR_BITS(M48T59_CNTL_READ, M48T59_CNTL);
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 	spin_unlock_irqrestore(&m48t59->lock, flags);
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-	dev_dbg(dev, "RTC read time %04d-%02d-%02d %02d/%02d/%02d\n",
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-		tm->tm_year + 1900, tm->tm_mon, tm->tm_mday,
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-		tm->tm_hour, tm->tm_min, tm->tm_sec);
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+	dev_dbg(dev, "RTC read time %ptR\n", tm);
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 	return 0;
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 }
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@@ -188,9 +183,7 @@
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 	M48T59_CLEAR_BITS(M48T59_CNTL_READ, M48T59_CNTL);
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 	spin_unlock_irqrestore(&m48t59->lock, flags);
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-	dev_dbg(dev, "RTC read alarm time %04d-%02d-%02d %02d/%02d/%02d\n",
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-		tm->tm_year + 1900, tm->tm_mon, tm->tm_mday,
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-		tm->tm_hour, tm->tm_min, tm->tm_sec);
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+	dev_dbg(dev, "RTC read alarm time %ptR\n", tm);
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 	return rtc_valid_tm(tm);
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 }
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