# Re: \[PATCH 12/24\] wifi: iwlwifi: Adopt PTP cross timestamps to core changes

- From: David Woodhouse \<dwmw2@infradead.org\>
- Date: 2026-05-26 23:47:17 
- List: netdev
- Page: https://ratatoskr.run/netdev/2026/05/17033767
- Thread: https://ratatoskr.run/kvmarm/2026/05/17032577/t.md

```text
On Tue, 26 May 2026 19:14:28 +0200, Thomas Gleixner wrote:
> iwlwifi only supports CLOCK_REALTIME timestamps and provides an incomplete
> result without system counter values etc.
>
> It also zeros struct system_device_crosststamp, which is already zeroed in
> the core and initialized with the clock ID.
>
> Remove the zeroing and reject any request for a clock ID other than REALTIME.
>
> Signed-off-by: Thomas Gleixner <tglx@kernel.org>

Reviewed-by: David Woodhouse <redacted>

```

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