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@@ -74,24 +74,17 @@
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#define MAXTC 10 /* maximum time constant (shift) */
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/*
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- * The SHIFT_SCALE define establishes the decimal point of the time_phase
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- * variable which serves as an extension to the low-order bits of the
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- * system clock variable. The SHIFT_UPDATE define establishes the decimal
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- * point of the time_offset variable which represents the current offset
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- * with respect to standard time. The FINENSEC define represents 1 nsec in
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- * scaled units.
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+ * The SHIFT_UPDATE define establishes the decimal point of the
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+ * time_offset variable which represents the current offset with
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+ * respect to standard time.
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*
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* SHIFT_USEC defines the scaling (shift) of the time_freq and
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* time_tolerance variables, which represent the current frequency
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* offset and maximum frequency tolerance.
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- *
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- * FINENSEC is 1 ns in SHIFT_UPDATE units of the time_phase variable.
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*/
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-#define SHIFT_SCALE 22 /* phase scale (shift) */
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#define SHIFT_UPDATE (SHIFT_HZ + 1) /* time offset scale (shift) */
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#define SHIFT_USEC 16 /* frequency offset scale (shift) */
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#define SHIFT_NSEC 12 /* kernel frequency offset scale */
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-#define FINENSEC (1L << (SHIFT_SCALE - 10)) /* ~1 ns in phase units */
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#define MAXPHASE 512000L /* max phase error (us) */
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#define MAXFREQ (512L << SHIFT_USEC) /* max frequency error (ppm) */
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