diff options
Diffstat (limited to 'arch/m68k/kernel/time.c')
| -rw-r--r-- | arch/m68k/kernel/time.c | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/arch/m68k/kernel/time.c b/arch/m68k/kernel/time.c index 1072e49..6cfc984 100644 --- a/arch/m68k/kernel/time.c +++ b/arch/m68k/kernel/time.c @@ -96,31 +96,23 @@ void time_init(void) void do_gettimeofday(struct timeval *tv) { unsigned long flags; - extern unsigned long wall_jiffies; unsigned long seq; - unsigned long usec, sec, lost; + unsigned long usec, sec; unsigned long max_ntp_tick = tick_usec - tickadj; do { seq = read_seqbegin_irqsave(&xtime_lock, flags); usec = mach_gettimeoffset(); - lost = jiffies - wall_jiffies; /* * If time_adjust is negative then NTP is slowing the clock * so make sure not to go into next possible interval. * Better to lose some accuracy than have time go backwards.. */ - if (unlikely(time_adjust < 0)) { + if (unlikely(time_adjust < 0)) usec = min(usec, max_ntp_tick); - if (lost) - usec += lost * max_ntp_tick; - } - else if (unlikely(lost)) - usec += lost * tick_usec; - sec = xtime.tv_sec; usec += xtime.tv_nsec/1000; } while (read_seqretry_irqrestore(&xtime_lock, seq, flags)); @@ -141,7 +133,6 @@ int do_settimeofday(struct timespec *tv) { time_t wtm_sec, sec = tv->tv_sec; long wtm_nsec, nsec = tv->tv_nsec; - extern unsigned long wall_jiffies; if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC) return -EINVAL; @@ -153,8 +144,7 @@ int do_settimeofday(struct timespec *tv) * Discover what correction gettimeofday * would have done, and then undo it! */ - nsec -= 1000 * (mach_gettimeoffset() + - (jiffies - wall_jiffies) * (1000000 / HZ)); + nsec -= 1000 * mach_gettimeoffset(); wtm_sec = wall_to_monotonic.tv_sec + (xtime.tv_sec - sec); wtm_nsec = wall_to_monotonic.tv_nsec + (xtime.tv_nsec - nsec); |
