diff options
| -rw-r--r-- | arch/mips/Kconfig | 4 | ||||
| -rw-r--r-- | arch/mips/kernel/time.c | 24 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-timer.c | 18 |
3 files changed, 8 insertions, 38 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 371434dd744..c024113ce28 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -670,6 +670,10 @@ config GENERIC_TIME bool default y +config GENERIC_CMOS_UPDATE + bool + default y + config SCHED_NO_NO_OMIT_FRAME_POINTER bool default y diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c index 9a5596bf857..628a8ba6da5 100644 --- a/arch/mips/kernel/time.c +++ b/arch/mips/kernel/time.c @@ -67,6 +67,10 @@ unsigned long (*rtc_mips_get_time)(void) = null_rtc_get_time; int (*rtc_mips_set_time)(unsigned long) = null_rtc_set_time; int (*rtc_mips_set_mmss)(unsigned long); +int update_persistent_clock(struct timespec now) +{ + return rtc_mips_set_mmss(now.tv_sec); +} /* how many counter cycles in a jiffy */ static unsigned long cycles_per_jiffy __read_mostly; @@ -125,9 +129,6 @@ static void __init c0_hpt_timer_init(void) int (*mips_timer_state)(void); void (*mips_timer_ack)(void); -/* last time when xtime and rtc are sync'ed up */ -static long last_rtc_update; - /* * local_timer_interrupt() does profiling and process accounting * on a per-CPU basis. @@ -159,23 +160,6 @@ irqreturn_t timer_interrupt(int irq, void *dev_id) */ do_timer(1); - /* - * If we have an externally synchronized Linux clock, then update - * CMOS clock accordingly every ~11 minutes. rtc_mips_set_time() has to be - * called as close as possible to 500 ms before the new second starts. - */ - 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) { - if (rtc_mips_set_mmss(xtime.tv_sec) == 0) { - last_rtc_update = xtime.tv_sec; - } else { - /* do it again in 60 s */ - last_rtc_update = xtime.tv_sec - 600; - } - } - write_sequnlock(&xtime_lock); /* diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c index 8c3c78c63cc..31346162e9f 100644 --- a/arch/mips/sgi-ip27/ip27-timer.c +++ b/arch/mips/sgi-ip27/ip27-timer.c @@ -40,7 +40,6 @@ #define TICK_SIZE (tick_nsec / 1000) static unsigned long ct_cur[NR_CPUS]; /* What counter should be at next timer irq */ -static long last_rtc_update; /* Last time the rtc clock got updated */ #if 0 static int set_rtc_mmss(unsigned long nowtime) @@ -113,23 +112,6 @@ again: update_process_times(user_mode(get_irq_regs())); - /* - * If we have an externally synchronized Linux clock, then update - * RTC clock accordingly every ~11 minutes. Set_rtc_mmss() has to be - * called as close as possible to when a second starts. - */ - 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) { - if (rtc_mips_set_time(xtime.tv_sec) == 0) { - last_rtc_update = xtime.tv_sec; - } else { - last_rtc_update = xtime.tv_sec - 600; - /* do it again in 60 s */ - } - } - write_sequnlock(&xtime_lock); irq_exit(); } |