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(void); 7 /* Returns how long ticks are at present, in ns / 2^NTP_SCALE_SHIFT. */ 8 extern u64 ntp_tick_length(void); 9 extern ktime_t ntp_get_next_leap(void); 10 extern int second_overflow(time64_t secs); 11 extern int ntp_validate_timex(struct timex *); 12 extern int __do_adjtimex(struct timex *, struct timespec64 *, s32 *); 13 extern void __hardpps(const struct timespec64 *, const struct timespec64 *); 14 #endif /* _LINUX_NTP_INTERNAL_H */ 15