[PATCH] ntp: cleanup defines and comments

Remove a few unused defines and remove obsolete information from comments.

Signed-off-by: Roman Zippel <[e-mail]>
Cc: john stultz <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

include/asm-frv/timex.h

···
 #define CLOCK_TICK_RATE		1193180 /* Underlying HZ */
 #define CLOCK_TICK_FACTOR	20	/* Factor of both 1000000 and CLOCK_TICK_RATE */
 
-#define FINETUNE							\
-((((((long)LATCH * HZ - CLOCK_TICK_RATE) << SHIFT_HZ) *			\
-   (1000000/CLOCK_TICK_FACTOR) / (CLOCK_TICK_RATE/CLOCK_TICK_FACTOR))	\
-  << (SHIFT_SCALE-SHIFT_HZ)) / HZ)
-
 typedef unsigned long cycles_t;
 
 static inline cycles_t get_cycles(void)

include/asm-m32r/timex.h

···
 
 #define CLOCK_TICK_RATE	(CONFIG_BUS_CLOCK / CONFIG_TIMER_DIVIDE)
 #define CLOCK_TICK_FACTOR	20	/* Factor of both 1000000 and CLOCK_TICK_RATE */
-#define FINETUNE ((((((long)LATCH * HZ - CLOCK_TICK_RATE) << SHIFT_HZ) * \
-	(1000000/CLOCK_TICK_FACTOR) / (CLOCK_TICK_RATE/CLOCK_TICK_FACTOR)) \
-		<< (SHIFT_SCALE-SHIFT_HZ)) / HZ)
 
 #ifdef __KERNEL__
 /*

include/asm-sh64/timex.h

···
 
 #define CLOCK_TICK_RATE	1193180 /* Underlying HZ */
 #define CLOCK_TICK_FACTOR	20	/* Factor of both 1000000 and CLOCK_TICK_RATE */
-#define FINETUNE ((((((long)LATCH * HZ - CLOCK_TICK_RATE) << SHIFT_HZ) * \
-	(1000000/CLOCK_TICK_FACTOR) / (CLOCK_TICK_RATE/CLOCK_TICK_FACTOR)) \
-		<< (SHIFT_SCALE-SHIFT_HZ)) / HZ)
 
 typedef unsigned long cycles_t;
 

include/asm-xtensa/timex.h

···
 
 #define CLOCK_TICK_RATE 	1193180	/* (everyone is using this value) */
 #define CLOCK_TICK_FACTOR       20 /* Factor of both 10^6 and CLOCK_TICK_RATE */
-#define FINETUNE ((((((long)LATCH * HZ - CLOCK_TICK_RATE) << SHIFT_HZ) * \
-	(1000000/CLOCK_TICK_FACTOR) / (CLOCK_TICK_RATE/CLOCK_TICK_FACTOR)) \
-		<< (SHIFT_SCALE-SHIFT_HZ)) / HZ)
 
 #ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT
 extern unsigned long ccount_per_jiffy;

include/linux/timex.h

···
 #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) */