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-rw-r--r--include/linux/mc146818rtc.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/mc146818rtc.h b/include/linux/mc146818rtc.h
index 580b3f4956ee..2f4e957af656 100644
--- a/include/linux/mc146818rtc.h
+++ b/include/linux/mc146818rtc.h
@@ -109,8 +109,11 @@ struct cmos_rtc_board_info {
109#ifndef ARCH_RTC_LOCATION /* Override by <asm/mc146818rtc.h>? */ 109#ifndef ARCH_RTC_LOCATION /* Override by <asm/mc146818rtc.h>? */
110 110
111#define RTC_IO_EXTENT 0x8 111#define RTC_IO_EXTENT 0x8
112#define RTC_IO_EXTENT_USED 0x2
112#define RTC_IOMAPPED 1 /* Default to I/O mapping. */ 113#define RTC_IOMAPPED 1 /* Default to I/O mapping. */
113 114
115#else
116#define RTC_IO_EXTENT_USED RTC_IO_EXTENT
114#endif /* ARCH_RTC_LOCATION */ 117#endif /* ARCH_RTC_LOCATION */
115 118
116#endif /* _MC146818RTC_H */ 119#endif /* _MC146818RTC_H */