diff options
Diffstat (limited to 'arch/mips/kernel')
| -rw-r--r-- | arch/mips/kernel/time.c | 24 |
1 files changed, 4 insertions, 20 deletions
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); /* |