> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-boun...@osuosl.org> On Behalf Of
> Anton Nadezhdin
> Sent: Thursday, May 8, 2025 2:53 PM
> To: intel-wired-...@lists.osuosl.org
> Cc: Nadezhdin, Anton <anton.nadezh...@intel.com>
> Subject: [Intel-wired-lan] [PATCH iwl-net] ice/ptp: Fix reporting of
> crosstimestamp
>
> Set use_nsecs=true as timestamp is reported in ns. Lack of this result in
> smaller
> timestamp error window which case error during phc2sys execution on some
> platforms:
> phc2sys[1768.256]: ioctl PTP_SYS_OFFSET_PRECISE: Invalid argument
>
> Previously function convert_art_to_tsc was converting ts to the cycles instead
> of ns.
>
> Testing hints (ethX is PF netdev):
> phc2sys -s ethX -c CLOCK_REALTIME -O 37 -m
>
> Fixes: d4bea547ebb57 (ice/ptp: Remove convert_art_to_tsc())
> Signed-off-by: Anton Nadezhdin <anton.nadezh...@intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktio...@intel.com>
> ---
> drivers/net/ethernet/intel/ice/ice_ptp.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c
> b/drivers/net/ethernet/intel/ice/ice_ptp.c
> index 1fd1ae03eb90..11ed48a62b53 100644
> --- a/drivers/net/ethernet/intel/ice/ice_ptp.c
> +++ b/drivers/net/ethernet/intel/ice/ice_ptp.c
> @@ -2307,6 +2307,7 @@ static int ice_capture_crosststamp(ktime_t
> *device,
> ts = ((u64)ts_hi << 32) | ts_lo;
> system->cycles = ts;
> system->cs_id = CSID_X86_ART;
> + system->use_nsecs = true;
>
> /* Read Device source clock time */
> ts_lo = rd32(hw, cfg->dev_time_l[tmr_idx]);
>
> base-commit: 7e5af365e38059ed585917623c1ba3a6c04a8c10
> --
> 2.34.1
