Skip to content

Commit

Permalink
[PATCH] ntp: cleanup defines and comments
Browse files Browse the repository at this point in the history
Remove a few unused defines and remove obsolete information from comments.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Cc: john stultz <johnstul@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
  • Loading branch information
Roman Zippel authored and Linus Torvalds committed Oct 1, 2006
1 parent f199239 commit 0883d89
Show file tree
Hide file tree
Showing 5 changed files with 3 additions and 24 deletions.
5 changes: 0 additions & 5 deletions include/asm-frv/timex.h
Original file line number Diff line number Diff line change
Expand Up @@ -6,11 +6,6 @@
#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)
Expand Down
3 changes: 0 additions & 3 deletions include/asm-m32r/timex.h
Original file line number Diff line number Diff line change
Expand Up @@ -12,9 +12,6 @@

#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__
/*
Expand Down
3 changes: 0 additions & 3 deletions include/asm-sh64/timex.h
Original file line number Diff line number Diff line change
Expand Up @@ -17,9 +17,6 @@

#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;

Expand Down
3 changes: 0 additions & 3 deletions include/asm-xtensa/timex.h
Original file line number Diff line number Diff line change
Expand Up @@ -31,9 +31,6 @@

#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;
Expand Down
13 changes: 3 additions & 10 deletions include/linux/timex.h
Original file line number Diff line number Diff line change
Expand Up @@ -74,24 +74,17 @@
#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) */
Expand Down

0 comments on commit 0883d89

Please sign in to comment.