diff options
Diffstat (limited to 'include/asm-mips/mach-jazz/mc146818rtc.h')
| -rw-r--r-- | include/asm-mips/mach-jazz/mc146818rtc.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/include/asm-mips/mach-jazz/mc146818rtc.h b/include/asm-mips/mach-jazz/mc146818rtc.h index f44fdba1998..987f727afe2 100644 --- a/include/asm-mips/mach-jazz/mc146818rtc.h +++ b/include/asm-mips/mach-jazz/mc146818rtc.h @@ -4,12 +4,15 @@ * for more details. * * Copyright (C) 1998, 2001, 03 by Ralf Baechle + * Copyright (C) 2007 Thomas Bogendoerfer * * RTC routines for Jazz style attached Dallas chip. */ #ifndef __ASM_MACH_JAZZ_MC146818RTC_H #define __ASM_MACH_JAZZ_MC146818RTC_H +#include <linux/delay.h> + #include <asm/io.h> #include <asm/jazz.h> @@ -19,16 +22,17 @@ static inline unsigned char CMOS_READ(unsigned long addr) { outb_p(addr, RTC_PORT(0)); - - return *(char *)JAZZ_RTC_BASE; + return *(volatile char *)JAZZ_RTC_BASE; } static inline void CMOS_WRITE(unsigned char data, unsigned long addr) { outb_p(addr, RTC_PORT(0)); - *(char *)JAZZ_RTC_BASE = data; + *(volatile char *)JAZZ_RTC_BASE = data; } #define RTC_ALWAYS_BCD 0 +#define mc146818_decode_year(year) ((year) + 1980) + #endif /* __ASM_MACH_JAZZ_MC146818RTC_H */ |