|  | /* SPDX-License-Identifier: GPL-2.0 */ | 
|  | #ifndef _LINUX_NTP_INTERNAL_H | 
|  | #define _LINUX_NTP_INTERNAL_H | 
|  |  | 
|  | extern void ntp_init(void); | 
|  | extern void ntp_clear(void); | 
|  | /* Returns how long ticks are at present, in ns / 2^NTP_SCALE_SHIFT. */ | 
|  | extern u64 ntp_tick_length(void); | 
|  | extern ktime_t ntp_get_next_leap(void); | 
|  | extern int second_overflow(time64_t secs); | 
|  | extern int __do_adjtimex(struct timex *, struct timespec64 *, s32 *); | 
|  | extern void __hardpps(const struct timespec64 *, const struct timespec64 *); | 
|  | #endif /* _LINUX_NTP_INTERNAL_H */ |