netdev - Re: [PATCH 0/3] [RFC] ptp: IEEE 1588 clock support

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Message-ID: <4BD9EC4B.5010109@grandegger.com>
Date:	Thu, 29 Apr 2010 22:30:03 +0200
From:	Wolfgang Grandegger <wg@...ndegger.com>
To:	Richard Cochran <richardcochran@...il.com>
CC:	netdev@...r.kernel.org
Subject: Re: [PATCH 0/3] [RFC] ptp: IEEE 1588 clock support

Richard Cochran wrote:
> On Thu, Apr 29, 2010 at 02:02:59PM +0200, Wolfgang Grandegger wrote:
>> I realized two other netdev drivers already supporting PTP timestamping:
>> igb and bfin_mac. From the PTP developer point of view, the interface
>> looks rather complete to me and it works fine on my MPC8313 setup.
> 
> Do you know whether these two also have PTP clocks? If so, is the API
> that I suggested going to work for controlling those clocks, too?

Well, I don't really know that hardware in detail. I just browsed the
code, e.g:

http://git.kernel.org/?p=linux/kernel/git/davem/net-next-2.6.git;a=commit;h=38c845c76
http://marc.info/?l=linux-netdev&m=126389931509102&w=2

But I believe that your interface is generic enough to support that
hardware as well. Would make sense to put the relevant people on CC and
also "ptpd@...ts.infradead.org."

Wolfgang.
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