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| author | Roman Zippel <zippel@linux-m68k.org> | 2008-05-01 15:34:38 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-05-01 19:03:59 +0400 |
| commit | 7fc5c78409479d826341b103bdf734cb4fb02436 (patch) | |
| tree | e68d8edddd633a9ed410b304684343afacf36175 /kernel/time/ntp.c | |
| parent | 153b5d054ac2d98ea0d86504884326b6777f683d (diff) | |
| download | linux-7fc5c78409479d826341b103bdf734cb4fb02436.tar.xz | |
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 'kernel/time/ntp.c')
| -rw-r--r-- | kernel/time/ntp.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c index 10fe17df45a0..a8fd1ba1ef19 100644 --- a/kernel/time/ntp.c +++ b/kernel/time/ntp.c @@ -27,7 +27,7 @@ static u64 tick_length, tick_length_base; #define MAX_TICKADJ 500 /* microsecs */ #define MAX_TICKADJ_SCALED (((u64)(MAX_TICKADJ * NSEC_PER_USEC) << \ - TICK_LENGTH_SHIFT) / NTP_INTERVAL_FREQ) + NTP_SCALE_SHIFT) / NTP_INTERVAL_FREQ) /* * phase-lock loop variables @@ -48,13 +48,13 @@ static long ntp_tick_adj; static void ntp_update_frequency(void) { u64 second_length = (u64)(tick_usec * NSEC_PER_USEC * USER_HZ) - << TICK_LENGTH_SHIFT; - second_length += (s64)ntp_tick_adj << TICK_LENGTH_SHIFT; + << NTP_SCALE_SHIFT; + second_length += (s64)ntp_tick_adj << NTP_SCALE_SHIFT; second_length += time_freq; tick_length_base = second_length; - tick_nsec = div_u64(second_length, HZ) >> TICK_LENGTH_SHIFT; + tick_nsec = div_u64(second_length, HZ) >> NTP_SCALE_SHIFT; tick_length_base = div_u64(tick_length_base, NTP_INTERVAL_FREQ); } @@ -86,10 +86,10 @@ static void ntp_update_offset(long offset) time_reftime = xtime.tv_sec; freq_adj = (s64)offset * mtemp; - freq_adj <<= TICK_LENGTH_SHIFT - 2 * (SHIFT_PLL + 2 + time_constant); + freq_adj <<= NTP_SCALE_SHIFT - 2 * (SHIFT_PLL + 2 + time_constant); time_status &= ~STA_MODE; if (mtemp >= MINSEC && (time_status & STA_FLL || mtemp > MAXSEC)) { - freq_adj += div_s64((s64)offset << (TICK_LENGTH_SHIFT - SHIFT_FLL), + freq_adj += div_s64((s64)offset << (NTP_SCALE_SHIFT - SHIFT_FLL), mtemp); time_status |= STA_MODE; } @@ -97,7 +97,7 @@ static void ntp_update_offset(long offset) freq_adj = min(freq_adj, MAXFREQ_SCALED); time_freq = max(freq_adj, -MAXFREQ_SCALED); - time_offset = div_s64((s64)offset << TICK_LENGTH_SHIFT, NTP_INTERVAL_FREQ); + time_offset = div_s64((s64)offset << NTP_SCALE_SHIFT, NTP_INTERVAL_FREQ); } /** @@ -197,7 +197,7 @@ void second_overflow(void) tick_length -= MAX_TICKADJ_SCALED; } else { tick_length += (s64)(time_adjust * NSEC_PER_USEC / - NTP_INTERVAL_FREQ) << TICK_LENGTH_SHIFT; + NTP_INTERVAL_FREQ) << NTP_SCALE_SHIFT; time_adjust = 0; } } @@ -369,13 +369,13 @@ int do_adjtimex(struct timex *txc) txc->offset = save_adjust; else { txc->offset = shift_right(time_offset * NTP_INTERVAL_FREQ, - TICK_LENGTH_SHIFT); + NTP_SCALE_SHIFT); if (!(time_status & STA_NANO)) txc->offset /= NSEC_PER_USEC; } txc->freq = shift_right((s32)(time_freq >> PPM_SCALE_INV_SHIFT) * (s64)PPM_SCALE_INV, - TICK_LENGTH_SHIFT); + NTP_SCALE_SHIFT); txc->maxerror = time_maxerror; txc->esterror = time_esterror; txc->status = time_status; |