add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/rtc/rtc-ds1302.c
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@@ -1,12 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Dallas DS1302 RTC Support
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  *
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  *  Copyright (C) 2002 David McCullough
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  *  Copyright (C) 2003 - 2007 Paul Mundt
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- *
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- * This file is subject to the terms and conditions of the GNU General Public
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- * License version 2. See the file "COPYING" in the main directory of
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- * this archive for more details.
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  */
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 #include <linux/bcd.h>
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@@ -17,8 +14,6 @@
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 #include <linux/of.h>
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 #include <linux/rtc.h>
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 #include <linux/spi/spi.h>
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-
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-#define DRV_NAME	"rtc-ds1302"
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 #define	RTC_CMD_READ	0x81		/* Read command */
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 #define	RTC_CMD_WRITE	0x80		/* Write command */