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-rw-r--r--include/linux/rtc.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index c2c28975293c..b608a6f392e1 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -193,6 +193,7 @@ static inline bool is_leap_year(unsigned int year)
#ifdef CONFIG_RTC_HCTOSYS_DEVICE
extern int rtc_hctosys_ret;
+int rtc_hctosys(void);
#else
#define rtc_hctosys_ret -ENODEV
#endif