The third parameter(u64 start_tstamp) of timecounter_init() should be the start time by ns, not a cycle counter.
Signed-off-by: Xiubo Li <li.xi...@freescale.com> --- drivers/clocksource/arm_arch_timer.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c index 5163ec1..6c3cfd8 100644 --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -426,7 +426,7 @@ struct timecounter *arch_timer_get_timecounter(void) static void __init arch_counter_register(unsigned type) { - u64 start_count; + u64 start_count, start_ns; /* Register the CP15 based counter if we have one */ if (type & ARCH_CP15_TIMER) @@ -438,7 +438,8 @@ static void __init arch_counter_register(unsigned type) clocksource_register_hz(&clocksource_counter, arch_timer_rate); cyclecounter.mult = clocksource_counter.mult; cyclecounter.shift = clocksource_counter.shift; - timecounter_init(&timecounter, &cyclecounter, start_count); + start_ns = cyclecounter_cyc2ns(&cyclecounter, start_count); + timecounter_init(&timecounter, &cyclecounter, start_ns); /* 56 bits minimum, so we assume worst case rollover */ sched_clock_register(arch_timer_read_counter, 56, arch_timer_rate); -- 1.8.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/