extern unsigned long tick_usec; /* USER_HZ period (usec) */
extern unsigned long tick_nsec; /* SHIFTED_HZ period (nsec) */
-extern void ntp_init(void);
-extern void ntp_clear(void);
-
/* Required to safely shift negative values */
#define shift_right(x, s) ({ \
__typeof__(x) __x = (x); \
#define NTP_INTERVAL_FREQ (HZ)
#define NTP_INTERVAL_LENGTH (NSEC_PER_SEC/NTP_INTERVAL_FREQ)
-/* Returns how long ticks are at present, in ns / 2^NTP_SCALE_SHIFT. */
-extern u64 ntp_tick_length(void);
-
-extern int second_overflow(unsigned long secs);
extern int do_adjtimex(struct timex *);
extern void hardpps(const struct timespec *, const struct timespec *);