diff options
Diffstat (limited to 'arch/m32r/kernel/time.c')
| -rw-r--r-- | arch/m32r/kernel/time.c | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/arch/m32r/kernel/time.c b/arch/m32r/kernel/time.c index 3c4707280a5..539c562cd54 100644 --- a/arch/m32r/kernel/time.c +++ b/arch/m32r/kernel/time.c @@ -171,10 +171,7 @@ int do_settimeofday(struct timespec *tv) set_normalized_timespec(&xtime, sec, nsec); set_normalized_timespec(&wall_to_monotonic, wtm_sec, wtm_nsec); - time_adjust = 0; /* stop active adjtime() */ - time_status |= STA_UNSYNC; - time_maxerror = NTP_PHASE_LIMIT; - time_esterror = NTP_PHASE_LIMIT; + ntp_clear(); write_sequnlock_irq(&xtime_lock); clock_was_set(); @@ -205,8 +202,7 @@ static long last_rtc_update = 0; * timer_interrupt() needs to keep up the real-time clock, * as well as call the "do_timer()" routine every clocktick */ -static inline void -do_timer_interrupt(int irq, void *dev_id, struct pt_regs * regs) +irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) { #ifndef CONFIG_SMP profile_tick(CPU_PROFILING, regs); @@ -221,7 +217,8 @@ do_timer_interrupt(int irq, void *dev_id, struct pt_regs * regs) * CMOS clock accordingly every ~11 minutes. Set_rtc_mmss() has to be * called as close as possible to 500 ms before the new second starts. */ - if ((time_status & STA_UNSYNC) == 0 + write_seqlock(&xtime_lock); + if (ntp_synced() && xtime.tv_sec > last_rtc_update + 660 && (xtime.tv_nsec / 1000) >= 500000 - ((unsigned)TICK_SIZE) / 2 && (xtime.tv_nsec / 1000) <= 500000 + ((unsigned)TICK_SIZE) / 2) @@ -231,6 +228,7 @@ do_timer_interrupt(int irq, void *dev_id, struct pt_regs * regs) else /* do it again in 60 s */ last_rtc_update = xtime.tv_sec - 600; } + write_sequnlock(&xtime_lock); /* As we return to user mode fire off the other CPU schedulers.. this is basically because we don't yet share IRQ's around. This message is rigged to be safe on the 386 - basically it's @@ -238,14 +236,8 @@ do_timer_interrupt(int irq, void *dev_id, struct pt_regs * regs) #ifdef CONFIG_SMP smp_local_timer_interrupt(regs); + smp_send_timer(); #endif -} - -irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) -{ - write_seqlock(&xtime_lock); - do_timer_interrupt(irq, NULL, regs); - write_sequnlock(&xtime_lock); return IRQ_HANDLED; } |