diff options
author | Greg Ungerer <gerg@snapgear.com> | 2008-02-01 17:40:39 +1000 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-02-01 21:02:03 +1100 |
commit | 2d8815ba82ef5048806d36529f3e385450ba6e60 (patch) | |
tree | 1c3795a516ad13762b5dbe907e96198807cf3114 /arch/m68knommu/kernel | |
parent | de0cc4e2830434c44131232fd953dee895be43a2 (diff) | |
download | lwn-2d8815ba82ef5048806d36529f3e385450ba6e60.tar.gz lwn-2d8815ba82ef5048806d36529f3e385450ba6e60.zip |
m68knommu: remove local gettimeofday code
Remove unused local gettimeofday functions, now that we are using
GENERIC_TIME.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/m68knommu/kernel')
-rw-r--r-- | arch/m68knommu/kernel/time.c | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/arch/m68knommu/kernel/time.c b/arch/m68knommu/kernel/time.c index 207a55bdde98..89cdbcaeb45f 100644 --- a/arch/m68knommu/kernel/time.c +++ b/arch/m68knommu/kernel/time.c @@ -88,60 +88,3 @@ void time_init(void) hw_timer_init(); } -/* - * This version of gettimeofday has near microsecond resolution. - */ -void do_gettimeofday(struct timeval *tv) -{ - unsigned long flags; - unsigned long seq; - unsigned long usec, sec; - - do { - seq = read_seqbegin_irqsave(&xtime_lock, flags); - usec = hw_timer_offset(); - sec = xtime.tv_sec; - usec += (xtime.tv_nsec / 1000); - } while (read_seqretry_irqrestore(&xtime_lock, seq, flags)); - - while (usec >= 1000000) { - usec -= 1000000; - sec++; - } - - tv->tv_sec = sec; - tv->tv_usec = usec; -} - -EXPORT_SYMBOL(do_gettimeofday); - -int do_settimeofday(struct timespec *tv) -{ - time_t wtm_sec, sec = tv->tv_sec; - long wtm_nsec, nsec = tv->tv_nsec; - - if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC) - return -EINVAL; - - write_seqlock_irq(&xtime_lock); - /* - * This is revolting. We need to set the xtime.tv_usec - * correctly. However, the value in this location is - * is value at the last tick. - * Discover what correction gettimeofday - * would have done, and then undo it! - */ - nsec -= (hw_timer_offset() * 1000); - - wtm_sec = wall_to_monotonic.tv_sec + (xtime.tv_sec - sec); - wtm_nsec = wall_to_monotonic.tv_nsec + (xtime.tv_nsec - nsec); - - set_normalized_timespec(&xtime, sec, nsec); - set_normalized_timespec(&wall_to_monotonic, wtm_sec, wtm_nsec); - - ntp_clear(); - write_sequnlock_irq(&xtime_lock); - clock_was_set(); - return 0; -} -EXPORT_SYMBOL(do_settimeofday); |