linux-kernel - Re: [PATCH v4 3/4] Add PTP_SYS_OFFSET_PRECISE for driver crosstimestamping

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Message-ID: <op.x6i0pip51774gr@chall-mobl2.amr.corp.intel.com>
Date:	Wed, 14 Oct 2015 19:47:32 -0700
From:	"Christopher Hall" <christopher.s.hall@...el.com>
To:	"Richard Cochran" <richardcochran@...il.com>
Cc:	jeffrey.t.kirsher@...el.com, hpa@...or.com, mingo@...hat.com,
	tglx@...utronix.de, john.stultz@...aro.org, peterz@...radead.org,
	x86@...nel.org, intel-wired-lan@...ts.osuosl.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	kevin.b.stanton@...el.com
Subject: Re: [PATCH v4 3/4] Add PTP_SYS_OFFSET_PRECISE for driver
 crosstimestamping

On Tue, 13 Oct 2015 06:59:26 -0700, Richard Cochran  
<richardcochran@...il.com> wrote:

> On Mon, Oct 12, 2015 at 11:45:21AM -0700, Christopher S. Hall wrote:
>>
>> +struct ptp_sys_offset_precise {
>> +	unsigned int rsv[4];    /* Reserved for future use. */
>> +	struct ptp_clock_time dev;
>> +	struct ptp_clock_time sys;
>> +};
>> +
>
> Please put the reserved field at the bottom.  Also, since we reading
> the raw monotonic time under the hood, we might as well return it in

Good idea.

Thanks,
Chris
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