add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/rtc/rtc-efi.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * rtc-efi: RTC Class Driver for EFI-based systems
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  *
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@@ -5,12 +6,6 @@
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  *
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  * Author: dann frazier <dannf@dannf.org>
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  * Based on efirtc.c by Stephane Eranian
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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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  */
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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt