Commit 0d2ffdc8 authored by Eran Ben Elisha's avatar Eran Ben Elisha Committed by Saeed Mahameed
Browse files

net/mlx5: Don't call timecounter cyc2time directly from 1PPS flow 



Before calling timecounter_cyc2time(), clock->lock must be taken.
Use mlx5_timecounter_cyc2time instead which guarantees a safe access.

Fixes: afc98a0b ("net/mlx5: Update ptp_clock_event foreach PPS event")
Signed-off-by: default avatarEran Ben Elisha <eranbe@mellanox.com>
parent 87f3495c

drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c

+3 −2
Original line number Diff line number Diff line
@@ -557,7 +557,8 @@ static int mlx5_pps_event(struct notifier_block *nb, 
	switch (clock->ptp_info.pin_config[pin].func) {

	case PTP_PF_EXTTS:

		ptp_event.index = pin;

		ptp_event.timestamp = timecounter_cyc2time(&clock->tc,

		ptp_event.timestamp =

			mlx5_timecounter_cyc2time(clock,

						  be64_to_cpu(eqe->data.pps.time_stamp));

		if (clock->pps_info.enabled) {

			ptp_event.type = PTP_CLOCK_PPSUSR;