Re: [PATCH net v3] net: macb: fix ordering around PTP timestamp read

Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni [off-list ref]:

On Tue, 15 Sep 2026 11:58:17 +0700 you wrote:

PTP_SYS_OFFSET_EXTENDED returns system timestamps that do not correctly
bracket the PHC register read on MACB/GEM. On a Raspberry Pi 5, the
returned interval can be as short as 37 ns, while an ordered register
read takes approximately 1 us. This biases the midpoint used by phc2sys,
causing CLOCK_REALTIME to run approximately 0.5 us ahead when synchronized
to the PHC.

[...]

Here is the summary with links:
  - [net,v3] net: macb: fix ordering around PTP timestamp read
    https://git.kernel.org/netdev/net/c/9ca4ba242591

You are awesome, thank you!
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