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, 12 const struct timespec64 *ts, 13 s32 *time_tai, struct audit_ntp_data *ad); 14 extern void __hardpps(const struct timespec64 *phase_ts, const struct timespec64 *raw_ts); 15 16 #if defined(CONFIG_GENERIC_CMOS_UPDATE) || defined(CONFIG_RTC_SYSTOHC) 17 extern void ntp_notify_cmos_timer(void); 18 #else 19 static inline void ntp_notify_cmos_timer(void) { } 20 #endif 21 22 #endif /* _LINUX_NTP_INTERNAL_H */ 23