linux-kernel - Re: [PATCH] net: lan743x_ptp: convert to ktime_get_clocktai

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Message-ID: <20180817162558.GB22210@eeboy>
Date:   Fri, 17 Aug 2018 12:25:58 -0400
From:   Richard Cochran <richardcochran@...il.com>
To:     Bryan.Whitehead@...rochip.com
Cc:     arnd@...db.de,
        UNGLinuxDriver@...rochipTechnology.Mail.Onmicrosoft.com,
        davem@...emloft.net, yuehaibing@...wei.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: lan743x_ptp: convert to ktime_get_clocktai_ts64

On Wed, Aug 15, 2018 at 08:50:03PM +0000, Bryan.Whitehead@...rochip.com wrote:
> Sounds reasonable to me. I will yield to Richard's insight.
> But it would be nice if requirements like these were documented.

I think the only reason for initializing to the system UTC (as most
drivers do) is historical.  The first Intel driver was simply copied.
I've been thinking recently that we should standardize this.  I'm open
for suggestions on how to do this. Remember that the system time is
likely wrong at driver initialization time.

Thanks,
Richard