From: Clay McClure <c...@daemons.net>
Date: Wed, 29 Apr 2020 00:59:00 -0700
> Commit d1cbfd771ce8 ("ptp_clock: Allow for it to be optional") changed
> all PTP-capable Ethernet drivers from `select PTP_1588_CLOCK` to `imply
> PTP_1588_CLOCK`, "in order to break the hard dependency between the PTP
> clock subsystem and ethernet drivers capable of being clock providers."
> As a result it is possible to build PTP-capable Ethernet drivers without
> the PTP subsystem by deselecting PTP_1588_CLOCK. Drivers are required to
> handle the missing dependency gracefully.
...
> Note how these symbols all reference PTP or timestamping in their name;
> this is a clue that they depend on PTP_1588_CLOCK.
>
> Change them from `imply PTP_1588_CLOCK` [2] to `depends on PTP_1588_CLOCK`.
> I'm not using `select PTP_1588_CLOCK` here because PTP_1588_CLOCK has
> its own dependencies, which `select` would not transitively apply.
>
> Additionally, remove the `select NET_PTP_CLASSIFY` from CPTS_TI_MOD;
> PTP_1588_CLOCK already selects that.
...
Applied, thanks.
