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 __do_adjtimex(struct __kernel_timex *txc, const struct timespec64 *ts, s32 *time_tai); 12 extern void __hardpps(const struct timespec64 *phase_ts, const struct timespec64 *raw_ts); 13 #endif /* _LINUX_NTP_INTERNAL_H */ 14