diff options
| author | Paul Mackerras <paulus@samba.org> | 2007-09-20 10:09:27 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-09-20 10:09:27 +1000 |
| commit | 0ce49a3945474fc942ec37c0c0efece60f592f80 (patch) | |
| tree | f42b821b2d9e2d8775bc22f56d444c2cc7b7b7dd /arch/powerpc/kernel/time.c | |
| parent | 9e4859ef5462193643fd2b3c8ffb298e5a4a4319 (diff) | |
| parent | a88a8eff1e6e32d3288986a9d36c6a449c032d3a (diff) | |
Merge branch 'linux-2.6'
Diffstat (limited to 'arch/powerpc/kernel/time.c')
| -rw-r--r-- | arch/powerpc/kernel/time.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index b5944d8e3802..d95e68c0a6b3 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -238,7 +238,7 @@ static void snapshot_tb_and_purr(void *data) struct cpu_purr_data *p = &__get_cpu_var(cpu_purr_data); local_irq_save(flags); - p->tb = mftb(); + p->tb = get_tb_or_rtc(); p->purr = mfspr(SPRN_PURR); wmb(); p->initialized = 1; @@ -316,7 +316,7 @@ static void snapshot_purr(void) */ void snapshot_timebase(void) { - __get_cpu_var(last_jiffy) = get_tb(); + __get_cpu_var(last_jiffy) = get_tb_or_rtc(); snapshot_purr(); } @@ -683,6 +683,8 @@ void timer_interrupt(struct pt_regs * regs) write_seqlock(&xtime_lock); tb_next_jiffy = tb_last_jiffy + tb_ticks_per_jiffy; + if (__USE_RTC() && tb_next_jiffy >= 1000000000) + tb_next_jiffy -= 1000000000; if (per_cpu(last_jiffy, cpu) >= tb_next_jiffy) { tb_last_jiffy = tb_next_jiffy; do_timer(1); @@ -976,7 +978,7 @@ void __init time_init(void) tb_to_ns_scale = scale; tb_to_ns_shift = shift; /* Save the current timebase to pretty up CONFIG_PRINTK_TIME */ - boot_tb = get_tb(); + boot_tb = get_tb_or_rtc(); tm = get_boot_time(); |