X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fm32r%2Fkernel%2Ftime.c;h=ded0be07a476f62aca9f42ed17ea3f757f0453f0;hb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;hp=25a31668f808b5218fd16dbbbf91f08370663468;hpb=a2c21200f1c81b08cb55e417b68150bba439b646;p=linux-2.6.git diff --git a/arch/m32r/kernel/time.c b/arch/m32r/kernel/time.c index 25a31668f..ded0be07a 100644 --- a/arch/m32r/kernel/time.c +++ b/arch/m32r/kernel/time.c @@ -17,7 +17,6 @@ #undef DEBUG_TIMER -#include #include #include #include @@ -39,10 +38,6 @@ extern void send_IPI_allbutself(int, int); extern void smp_local_timer_interrupt(struct pt_regs *); #endif -u64 jiffies_64 = INITIAL_JIFFIES; - -EXPORT_SYMBOL(jiffies_64); - extern unsigned long wall_jiffies; #define TICK_SIZE (tick_nsec / 1000) @@ -61,7 +56,7 @@ static unsigned long do_gettimeoffset(void) #if defined(CONFIG_CHIP_M32102) || defined(CONFIG_CHIP_XNUX2) \ || defined(CONFIG_CHIP_VDEC2) || defined(CONFIG_CHIP_M32700) \ - || defined(CONFIG_CHIP_OPSP) + || defined(CONFIG_CHIP_OPSP) || defined(CONFIG_CHIP_M32104) #ifndef CONFIG_SMP unsigned long count; @@ -171,10 +166,7 @@ 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(); @@ -193,7 +185,7 @@ EXPORT_SYMBOL(do_settimeofday); * BUG: This routine does not handle hour overflow properly; it just * sets the minutes. Usually you won't notice until after reboot! */ -static __inline__ int set_rtc_mmss(unsigned long nowtime) +static inline int set_rtc_mmss(unsigned long nowtime) { return 0; } @@ -205,17 +197,23 @@ 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); +#endif do_timer(regs); +#ifndef CONFIG_SMP + update_process_times(user_mode(regs)); +#endif /* * If we have an externally synchronized Linux clock, then update * 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) @@ -225,6 +223,7 @@ static __inline__ void do_timer_interrupt(int irq, void *dev_id, 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 @@ -232,23 +231,13 @@ static __inline__ void do_timer_interrupt(int irq, void *dev_id, #ifdef CONFIG_SMP smp_local_timer_interrupt(regs); -#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); - -#ifndef CONFIG_SMP - profile_tick(CPU_PROFILING, regs); + smp_send_timer(); #endif return IRQ_HANDLED; } -struct irqaction irq0 = { timer_interrupt, SA_INTERRUPT, CPU_MASK_NONE, +struct irqaction irq0 = { timer_interrupt, IRQF_DISABLED, CPU_MASK_NONE, "MFT2", NULL, NULL }; void __init time_init(void) @@ -273,12 +262,12 @@ void __init time_init(void) xtime.tv_sec = mktime(year, mon, day, hour, min, sec); xtime.tv_nsec = (INITIAL_JIFFIES % HZ) * (NSEC_PER_SEC / HZ); - wall_to_monotonic.tv_sec = -xtime.tv_sec; - wall_to_monotonic.tv_nsec = -xtime.tv_nsec; + set_normalized_timespec(&wall_to_monotonic, + -xtime.tv_sec, -xtime.tv_nsec); #if defined(CONFIG_CHIP_M32102) || defined(CONFIG_CHIP_XNUX2) \ || defined(CONFIG_CHIP_VDEC2) || defined(CONFIG_CHIP_M32700) \ - || defined(CONFIG_CHIP_OPSP) + || defined(CONFIG_CHIP_OPSP) || defined(CONFIG_CHIP_M32104) /* M32102 MFT setup */ setup_irq(M32R_IRQ_MFT2, &irq0); @@ -314,4 +303,3 @@ unsigned long long sched_clock(void) { return (unsigned long long)jiffies * (1000000000 / HZ); } -