[PATCH net-next 5/5] ptp: start virtual clocks at current system time.
From: Miroslav Lichvar <hidden>
Date: 2022-01-27 11:46:09
Subsystem:
networking drivers, ptp hardware clock support, ptp virtual clock support, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Richard Cochran, Yangbo Lu, Linus Torvalds
When a virtual clock is being created, initialize the timecounter to the current system time instead of the Unix epoch to avoid very large steps when the clock will be synchronized. Signed-off-by: Miroslav Lichvar <redacted> Cc: Yangbo Lu <yangbo.lu@nxp.com> Cc: Richard Cochran <richardcochran@gmail.com> --- drivers/ptp/ptp_vclock.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/ptp/ptp_vclock.c b/drivers/ptp/ptp_vclock.c
index cb179a3ea508..5a24a5128013 100644
--- a/drivers/ptp/ptp_vclock.c
+++ b/drivers/ptp/ptp_vclock.c@@ -187,7 +187,8 @@ struct ptp_vclock *ptp_vclock_register(struct ptp_clock *pclock) return NULL; } - timecounter_init(&vclock->tc, &vclock->cc, 0); + timecounter_init(&vclock->tc, &vclock->cc, + ktime_to_ns(ktime_get_real())); ptp_schedule_worker(vclock->clock, PTP_VCLOCK_REFRESH_INTERVAL); return vclock;
--
2.34.1