Loading arch/m68knommu/kernel/time.c +0 −57 Original line number Diff line number Diff line Loading @@ -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); Loading
arch/m68knommu/kernel/time.c +0 −57 Original line number Diff line number Diff line Loading @@ -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);