[PATCH net] net: sparx5/lan969x: fix PTP clock max_adj value

patchwork-bot+netdevbpf at kernel.org patchwork-bot+netdevbpf at kernel.org
Fri Feb 13 12:30:12 PST 2026


Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba at kernel.org>:

On Thu, 12 Feb 2026 12:02:30 +0100 you wrote:
> The max_adj field in ptp_clock_info tells userspace how much the PHC
> clock frequency can be adjusted. ptp4l reads this and will never request
> a correction larger than max_adj.
> 
> On both sparx5 and lan969x the clock offset may never converge because
> the servo needs a frequency correction larger than the current max_adj
> of 200000 (200 ppm) allows. The servo rails at the max and the offset
> stays in the tens of microseconds.
> 
> [...]

Here is the summary with links:
  - [net] net: sparx5/lan969x: fix PTP clock max_adj value
    https://git.kernel.org/netdev/net/c/a49d2a2c37a6

You are awesome, thank you!
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