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 f44fdba1998b..987f727afe25 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 */