From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Cochran Subject: Re: [PATCH] net: lan743x_ptp: convert to ktime_get_clocktai_ts64 Date: Fri, 17 Aug 2018 12:25:58 -0400 Message-ID: <20180817162558.GB22210@eeboy> References: <20180815175040.3736548-1-arnd@arndb.de> <90A7E81AE28BAE4CBDDB3B35F187D2644073E9C4@CHN-SV-EXMX02.mchp-main.com> <90A7E81AE28BAE4CBDDB3B35F187D2644073EA26@CHN-SV-EXMX02.mchp-main.com> <90A7E81AE28BAE4CBDDB3B35F187D2644073EA3B@CHN-SV-EXMX02.mchp-main.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: arnd@arndb.de, UNGLinuxDriver@MicrochipTechnology.Mail.Onmicrosoft.com, davem@davemloft.net, yuehaibing@huawei.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org To: Bryan.Whitehead@microchip.com Return-path: Content-Disposition: inline In-Reply-To: <90A7E81AE28BAE4CBDDB3B35F187D2644073EA3B@CHN-SV-EXMX02.mchp-main.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Wed, Aug 15, 2018 at 08:50:03PM +0000, Bryan.Whitehead@microchip.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