diff options
author | Roman Zippel <zippel@linux-m68k.org> | 2008-05-01 07:34:38 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-05-01 11:03:59 -0400 |
commit | 7fc5c78409479d826341b103bdf734cb4fb02436 (patch) | |
tree | e68d8edddd633a9ed410b304684343afacf36175 /include/linux/timex.h | |
parent | 153b5d054ac2d98ea0d86504884326b6777f683d (diff) |
ntp: rename TICK_LENGTH_SHIFT to NTP_SCALE_SHIFT
As TICK_LENGTH_SHIFT is used for more than just the tick length, the name
isn't quite approriate anymore, so this renames it to NTP_SCALE_SHIFT.
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Cc: john stultz <johnstul@us.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/timex.h')
-rw-r--r-- | include/linux/timex.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/timex.h b/include/linux/timex.h index 6ff92237759a..5994d39de778 100644 --- a/include/linux/timex.h +++ b/include/linux/timex.h | |||
@@ -81,14 +81,14 @@ | |||
81 | * offset and maximum frequency tolerance. | 81 | * offset and maximum frequency tolerance. |
82 | */ | 82 | */ |
83 | #define SHIFT_USEC 16 /* frequency offset scale (shift) */ | 83 | #define SHIFT_USEC 16 /* frequency offset scale (shift) */ |
84 | #define PPM_SCALE (NSEC_PER_USEC << (TICK_LENGTH_SHIFT - SHIFT_USEC)) | 84 | #define PPM_SCALE (NSEC_PER_USEC << (NTP_SCALE_SHIFT - SHIFT_USEC)) |
85 | #define PPM_SCALE_INV_SHIFT 20 | 85 | #define PPM_SCALE_INV_SHIFT 20 |
86 | #define PPM_SCALE_INV ((1ll << (PPM_SCALE_INV_SHIFT + TICK_LENGTH_SHIFT)) / \ | 86 | #define PPM_SCALE_INV ((1ll << (PPM_SCALE_INV_SHIFT + NTP_SCALE_SHIFT)) / \ |
87 | PPM_SCALE + 1) | 87 | PPM_SCALE + 1) |
88 | 88 | ||
89 | #define MAXPHASE 500000000l /* max phase error (ns) */ | 89 | #define MAXPHASE 500000000l /* max phase error (ns) */ |
90 | #define MAXFREQ 500000 /* max frequency error (ns/s) */ | 90 | #define MAXFREQ 500000 /* max frequency error (ns/s) */ |
91 | #define MAXFREQ_SCALED ((s64)MAXFREQ << TICK_LENGTH_SHIFT) | 91 | #define MAXFREQ_SCALED ((s64)MAXFREQ << NTP_SCALE_SHIFT) |
92 | #define MINSEC 256 /* min interval between updates (s) */ | 92 | #define MINSEC 256 /* min interval between updates (s) */ |
93 | #define MAXSEC 2048 /* max interval between updates (s) */ | 93 | #define MAXSEC 2048 /* max interval between updates (s) */ |
94 | #define NTP_PHASE_LIMIT ((MAXPHASE / NSEC_PER_USEC) << 5) /* beyond max. dispersion */ | 94 | #define NTP_PHASE_LIMIT ((MAXPHASE / NSEC_PER_USEC) << 5) /* beyond max. dispersion */ |
@@ -230,7 +230,7 @@ static inline int ntp_synced(void) | |||
230 | __x < 0 ? -(-__x >> __s) : __x >> __s; \ | 230 | __x < 0 ? -(-__x >> __s) : __x >> __s; \ |
231 | }) | 231 | }) |
232 | 232 | ||
233 | #define TICK_LENGTH_SHIFT 32 | 233 | #define NTP_SCALE_SHIFT 32 |
234 | 234 | ||
235 | #ifdef CONFIG_NO_HZ | 235 | #ifdef CONFIG_NO_HZ |
236 | #define NTP_INTERVAL_FREQ (2) | 236 | #define NTP_INTERVAL_FREQ (2) |