On Wed, May 10, 2023 at 01:52:58PM -0700, Rahul Rameshbabu wrote:

+PTP hardware clock requirements for '.adjphase'
+-----------------------------------------------
+
+   The 'struct ptp_clock_info' interface has a '.adjphase' function.
+   This function has a set of requirements from the PHC in order to be
+   implemented.
+
+     * The PHC implements a servo algorithm internally that is used to
+       correct the offset passed in the '.adjphase' call.
+     * When other PTP adjustment functions are called, the PHC servo
+       algorithm is disabled,

I disagree with this part:

and the frequency prior to the '.adjphase'
+       call is restored internally in the PHC.

That seems like an arbitrary rule that doesn't make much sense.

Thanks,
Richard