1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_NTP_INTERNAL_H
3 #define _LINUX_NTP_INTERNAL_H
4 
5 extern void ntp_init(void);
6 extern void ntp_clear(unsigned int tkid);
7 /* Returns how long ticks are at present, in ns / 2^NTP_SCALE_SHIFT. */
8 extern u64 ntp_tick_length(unsigned int tkid);
9 extern ktime_t ntp_get_next_leap(unsigned int tkid);
10 extern int second_overflow(unsigned int tkid, time64_t secs);
11 extern int ntp_adjtimex(unsigned int tkid, struct __kernel_timex *txc, const struct timespec64 *ts,
12 			s32 *time_tai, struct audit_ntp_data *ad);
13 extern void __hardpps(const struct timespec64 *phase_ts, const struct timespec64 *raw_ts);
14 
15 #if defined(CONFIG_GENERIC_CMOS_UPDATE) || defined(CONFIG_RTC_SYSTOHC)
16 extern void ntp_notify_cmos_timer(bool offset_set);
17 #else
ntp_notify_cmos_timer(bool offset_set)18 static inline void ntp_notify_cmos_timer(bool offset_set) { }
19 #endif
20 
21 #endif /* _LINUX_NTP_INTERNAL_H */
22