linux-kernel - Re: [PATCH RFC] hv_utils: implement Hyper-V PTP source

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Message-ID: <87wpdz0y3d.fsf@vitty.brq.redhat.com>
Date:   Fri, 13 Jan 2017 16:38:14 +0100
From:   Vitaly Kuznetsov <vkuznets@...hat.com>
To:     Richard Cochran <richardcochran@...il.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>, devel@...uxdriverproject.org,
        linux-kernel@...r.kernel.org,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        John Stultz <john.stultz@...aro.org>,
        Alex Ng <alexng@...rosoft.com>,
        Stephen Hemminger <stephen@...workplumber.org>
Subject: Re: [PATCH RFC] hv_utils: implement Hyper-V PTP source

Richard Cochran <richardcochran@...il.com> writes:

>> +struct ptp_clock_info ptp_hyperv_info = {
>> +	.name		= "hyperv",
>> +	.enable         = hv_ptp_enable,
>> +	.gettime64      = hv_ptp_gettime,
>
> The code in drivers/ptp/ptp_clock.c calls
>
> 	.adjfreq (or adjfine)
> 	.adjtime
> 	.settime64
>
> unconditionally, so you need to implement these returning EOPNOTSUPP.
> (See also Documentation/ptp/ptp.txt)
>

Sure, thanks, will do in non-RFC version.

-- 
  Vitaly