#define MAXTC 10 /* maximum time constant (shift) */
/*
- * The SHIFT_SCALE define establishes the decimal point of the time_phase
- * variable which serves as an extension to the low-order bits of the
- * system clock variable. The SHIFT_UPDATE define establishes the decimal
- * point of the time_offset variable which represents the current offset
- * with respect to standard time. The FINENSEC define represents 1 nsec in
- * scaled units.
+ * The SHIFT_UPDATE define establishes the decimal point of the
+ * time_offset variable which represents the current offset with
+ * respect to standard time.
*
* SHIFT_USEC defines the scaling (shift) of the time_freq and
* time_tolerance variables, which represent the current frequency
* offset and maximum frequency tolerance.
- *
- * FINENSEC is 1 ns in SHIFT_UPDATE units of the time_phase variable.
*/
-#define SHIFT_SCALE 22 /* phase scale (shift) */
#define SHIFT_UPDATE (SHIFT_HZ + 1) /* time offset scale (shift) */
#define SHIFT_USEC 16 /* frequency offset scale (shift) */
#define SHIFT_NSEC 12 /* kernel frequency offset scale */
-#define FINENSEC (1L << (SHIFT_SCALE - 10)) /* ~1 ns in phase units */
#define MAXPHASE 512000L /* max phase error (us) */
#define MAXFREQ (512L << SHIFT_USEC) /* max frequency error (ppm) */
/*
* phase-lock loop variables
*/
-extern int time_state; /* clock status */
extern int time_status; /* clock synchronization status bits */
-extern long time_offset; /* time adjustment (us) */
-extern long time_constant; /* pll time constant */
-extern long time_precision; /* clock precision (us) */
extern long time_maxerror; /* maximum error */
extern long time_esterror; /* estimated error */
extern long time_freq; /* frequency offset (scaled ppm) */
-extern long time_reftime; /* time at last adjustment (s) */
extern long time_adjust; /* The amount of adjtime left */
extern void ntp_clear(void);
-extern void ntp_update_frequency(void);
/**
* ntp_synced - Returns 1 if the NTP status is not UNSYNC
extern void update_ntp_one_tick(void);
extern int do_adjtimex(struct timex *);
+/* Don't use! Compatibility define for existing users. */
+#define tickadj (500/HZ ? : 1)
+
#endif /* KERNEL */
#endif /* LINUX_TIMEX_H */