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[23.128.96.18]) by mx.google.com with ESMTP id e23si462711ejb.266.2021.08.18.10.10.43; Wed, 18 Aug 2021 10:11:10 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=eSI1HCjh; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230391AbhHRRJ0 (ORCPT + 99 others); Wed, 18 Aug 2021 13:09:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59722 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230009AbhHRRJY (ORCPT ); Wed, 18 Aug 2021 13:09:24 -0400 Received: from mail-pf1-x436.google.com (mail-pf1-x436.google.com [IPv6:2607:f8b0:4864:20::436]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D7ED4C061764; Wed, 18 Aug 2021 10:08:49 -0700 (PDT) Received: by mail-pf1-x436.google.com with SMTP id j187so2783083pfg.4; Wed, 18 Aug 2021 10:08:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=M71yeZtn0Mun3ZvdAVAmKe6cwHYWfdCa6xD1ze29eOk=; b=eSI1HCjh4Kl6cOZHIBRVDdCsWKr+5XL5Y1ma4RLKwOto7zySlZunuiaBhdzu3t7x0g JhkjjJ9e11TtkFw5I0fq5ujIlqgwC6LRqOyKqcfIEEYIdiKa9SODn0xOsEKeEIS8qnAZ Uy9xorihpMF2C2+Nn6mF+PPQuliZQep+xePSJBy3R+Knk0tODf2CHQTQacUzFXCIATCQ EdXgQQ/f0Peao9Hq9Vc28705MaMt6X6giB6Ygu0TyRziy63Y2o+2Q2kgRva7a+EHSLF5 /yFTfQjVlU1T9m1ZK6puh9nRIY8lfOdVcyGdOFn6O11gLsjk9wV2C2yBgzU+PCEk+cSh EnhQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=M71yeZtn0Mun3ZvdAVAmKe6cwHYWfdCa6xD1ze29eOk=; b=eTlrPPNK3bCk6pQL7sFnQUUyOLE0rFeQG2mHxVF674GrFgmuBOc72cCgmK4WntXDat KN3+k0zvPUz95aqEkf1NxbS6VMHvP9OZmz3Tt2Ie9G9/JtUbON/GRmlUT4SYOENBJUSB gyg4B9w8QhzmoBjOvucyYLuOrw3D4ANwRf0+zLoh/PmzoL5SG1dKBLbLBzzzxWxNHUwT uJ0OGCvj979wyHS43pSt6KU62XeBvZFbzvMEeF61GQ4OU6zcTrtW5GH7xri+vplfoy+9 TjuIqlwWN4kqOGaszORisLQQhmyxVvuk/UXgIhYPGm3aBc7oTy/YU1yQkaZNtiet1q2b z5uA== X-Gm-Message-State: AOAM531pM3Kj9zcFRdMOv8ZBJ+2f4OwM3EAPyQo1uqS4Dgpn1KNgMPbf 3qfkwiIFOttRYDSLe0gHDXE= X-Received: by 2002:a63:101c:: with SMTP id f28mr9842153pgl.330.1629306529482; Wed, 18 Aug 2021 10:08:49 -0700 (PDT) Received: from hoboy.vegasvil.org ([2601:645:c000:2163:e2d5:5eff:fea5:802f]) by smtp.gmail.com with ESMTPSA id k22sm305834pff.154.2021.08.18.10.08.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Aug 2021 10:08:48 -0700 (PDT) Date: Wed, 18 Aug 2021 10:08:46 -0700 From: Richard Cochran To: Arkadiusz Kubalewski Cc: linux-kernel@vger.kernel.org, intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, jesse.brandeburg@intel.com, anthony.l.nguyen@intel.com, davem@davemloft.net, kuba@kernel.org, shuah@kernel.org, arnd@arndb.de, nikolay@nvidia.com, cong.wang@bytedance.com, colin.king@canonical.com, gustavoars@kernel.org Subject: Re: [RFC net-next 0/7] Add basic SyncE interfaces Message-ID: <20210818170846.GF9992@hoboy.vegasvil.org> References: <20210816160717.31285-1-arkadiusz.kubalewski@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210816160717.31285-1-arkadiusz.kubalewski@intel.com> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 16, 2021 at 06:07:10PM +0200, Arkadiusz Kubalewski wrote: > Multiple reference clock sources can be available. PHY ports recover > the frequency at which the transmitter sent the data on the RX side. > Alternatively, we can use external sources like 1PPS GPS, etc. There is a generic PHY subsystem (drivers/phy) used by USB, PCIe, CAN, and so on. Why not use that? Thanks, Richard