linux-kernel - Re: [RFC net-next 1/7] ptp: Add interface for acquiring DPLL state

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Date:   Mon, 16 Aug 2021 16:54:01 -0700
From:   Richard Cochran <richardcochran@...il.com>
To:     Arkadiusz Kubalewski <arkadiusz.kubalewski@...el.com>
Cc:     linux-kernel@...r.kernel.org, intel-wired-lan@...ts.osuosl.org,
        netdev@...r.kernel.org, linux-kselftest@...r.kernel.org,
        jesse.brandeburg@...el.com, anthony.l.nguyen@...el.com,
        davem@...emloft.net, kuba@...nel.org, shuah@...nel.org,
        arnd@...db.de, nikolay@...dia.com, cong.wang@...edance.com,
        colin.king@...onical.com, gustavoars@...nel.org
Subject: Re: [RFC net-next 1/7] ptp: Add interface for acquiring DPLL state

On Mon, Aug 16, 2021 at 06:07:11PM +0200, Arkadiusz Kubalewski wrote:
> Previously there was no common interface for monitoring
> synchronization state of Digital Phase Locked Loop.
> 
> Add interface through PTP ioctl subsystem for tools,
> as well as sysfs human-friendly part of the interface.
> 
> enum dpll_state moved to uapi definition, it is required to
> have common definition of DPLL states in uapi.

This has nothing to do with PTP, right?

So why isn't it a RTNL feature instead?

Thanks,
Richard