Linux Kernel  3.7.1
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mc146818rtc.h
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1 /*
2  * This file is subject to the terms and conditions of the GNU General Public
3  * License. See the file "COPYING" in the main directory of this archive
4  * for more details.
5  *
6  * Copyright (C) 2004 by Ralf Baechle
7  *
8  * RTC routines for PC style attached Dallas chip with ARC epoch.
9  */
10 #ifndef __ASM_MACH_RM_MC146818RTC_H
11 #define __ASM_MACH_RM_MC146818RTC_H
12 
13 #ifdef CONFIG_CPU_BIG_ENDIAN
14 #define mc146818_decode_year(year) ((year) < 70 ? (year) + 2000 : (year) + 1900)
15 #else
16 #define mc146818_decode_year(year) ((year) + 1980)
17 #endif
18 
19 #include_next <mc146818rtc.h>
20 
21 #endif /* __ASM_MACH_RM_MC146818RTC_H */
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