xref: /openbmc/linux/kernel/time/ntp_internal.h (revision c9e6189f) 
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
ntp_notify_cmos_timer(void)19 static inline void ntp_notify_cmos_timer(void) { }
20 #endif
21 
22 #endif /* _LINUX_NTP_INTERNAL_H */
23