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From: Richard Cochran <richardcochran@gmail.com>
To: intel-wired-lan@osuosl.org
Subject: [Intel-wired-lan] [PATCH net-next 2/3] ptp: igb: Use the high resolution frequency method.
Date: Wed, 9 Nov 2016 14:15:11 +0100	[thread overview]
Message-ID: <20161109131511.GB6491@localhost.localdomain> (raw)
In-Reply-To: <1478642646.7545.39.camel@intel.com>

On Tue, Nov 08, 2016 at 10:04:23PM +0000, Keller, Jacob E wrote:
> Additionally, what about min/max frequency check? Wouldn't this need to
> be updated for the new adjfine operation?

In theory you might increase the max by some sub-ppb value, but we
cannot express that as the resolution of the user space interface is
in ppb, and that little extra is not important anyhow.

Thanks,
Richard

WARNING: multiple messages have this Message-ID (diff)
From: Richard Cochran <richardcochran@gmail.com>
To: "Keller, Jacob E" <jacob.e.keller@intel.com>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"tglx@linutronix.de" <tglx@linutronix.de>,
	"Manfred.Rudigier@omicron.at" <Manfred.Rudigier@omicron.at>,
	"ulrik.debie-os@e2big.org" <ulrik.debie-os@e2big.org>,
	"stefan.sorensen@spectralink.com"
	<stefan.sorensen@spectralink.com>,
	"davem@davemloft.net" <davem@davemloft.net>,
	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@intel.com>,
	"john.stultz@linaro.org" <john.stultz@linaro.org>,
	"intel-wired-lan@lists.osuosl.org"
	<intel-wired-lan@lists.osuosl.org>
Subject: Re: [PATCH net-next 2/3] ptp: igb: Use the high resolution frequency method.
Date: Wed, 9 Nov 2016 14:15:11 +0100	[thread overview]
Message-ID: <20161109131511.GB6491@localhost.localdomain> (raw)
In-Reply-To: <1478642646.7545.39.camel@intel.com>

On Tue, Nov 08, 2016 at 10:04:23PM +0000, Keller, Jacob E wrote:
> Additionally, what about min/max frequency check? Wouldn't this need to
> be updated for the new adjfine operation?

In theory you might increase the max by some sub-ppb value, but we
cannot express that as the resolution of the user space interface is
in ppb, and that little extra is not important anyhow.

Thanks,
Richard

  reply	other threads:[~2016-11-09 13:15 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-08 21:49 [Intel-wired-lan] [PATCH net-next 0/3] PHC frequency fine tuning Richard Cochran
2016-11-08 21:49 ` Richard Cochran
2016-11-08 21:49 ` [Intel-wired-lan] [PATCH net-next 1/3] ptp: Introduce a high resolution frequency adjustment method Richard Cochran
2016-11-08 21:49   ` Richard Cochran
2016-11-08 21:49 ` [Intel-wired-lan] [PATCH net-next 2/3] ptp: igb: Use the high resolution frequency method Richard Cochran
2016-11-08 21:49   ` Richard Cochran
2016-11-08 22:02   ` [Intel-wired-lan] " Keller, Jacob E
2016-11-08 22:02     ` Keller, Jacob E
2016-11-09 13:11     ` [Intel-wired-lan] " Richard Cochran
2016-11-09 13:11       ` Richard Cochran
2016-11-09 21:40       ` [Intel-wired-lan] " Keller, Jacob E
2016-11-09 21:40         ` Keller, Jacob E
2016-11-08 22:04   ` [Intel-wired-lan] " Keller, Jacob E
2016-11-08 22:04     ` Keller, Jacob E
2016-11-09 13:15     ` Richard Cochran [this message]
2016-11-09 13:15       ` Richard Cochran
2016-11-08 21:49 ` [Intel-wired-lan] [PATCH net-next 3/3] ptp: dp83640: " Richard Cochran
2016-11-08 21:49   ` Richard Cochran
2016-11-08 21:56 ` [Intel-wired-lan] [PATCH net-next 0/3] PHC frequency fine tuning Keller, Jacob E
2016-11-08 21:56   ` Keller, Jacob E
2016-11-10  2:20 ` [Intel-wired-lan] " David Miller
2016-11-10  2:20   ` David Miller

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