From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Cochran Subject: Re: [PATCH net-next 2/3] ptp: igb: Use the high resolution frequency method. Date: Wed, 9 Nov 2016 14:15:11 +0100 Message-ID: <20161109131511.GB6491@localhost.localdomain> References: <1478642646.7545.39.camel@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "netdev@vger.kernel.org" , "tglx@linutronix.de" , "Manfred.Rudigier@omicron.at" , "ulrik.debie-os@e2big.org" , "stefan.sorensen@spectralink.com" , "davem@davemloft.net" , "Kirsher, Jeffrey T" , "john.stultz@linaro.org" , "intel-wired-lan@lists.osuosl.org" To: "Keller, Jacob E" Return-path: Received: from mail-wm0-f53.google.com ([74.125.82.53]:34871 "EHLO mail-wm0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752163AbcKINPQ (ORCPT ); Wed, 9 Nov 2016 08:15:16 -0500 Received: by mail-wm0-f53.google.com with SMTP id a197so306407829wmd.0 for ; Wed, 09 Nov 2016 05:15:15 -0800 (PST) Content-Disposition: inline In-Reply-To: <1478642646.7545.39.camel@intel.com> Sender: netdev-owner@vger.kernel.org List-ID: 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