Received: by 2002:a05:6a11:4021:0:0:0:0 with SMTP id ky33csp146982pxb; Fri, 17 Sep 2021 21:54:20 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyr+XOZi+a2nhLmGvqTPaZSNPiyaKy0t04wTWcreGwAAQpDkMgZl1X+Ikjw94P66bJFXiYm X-Received: by 2002:a17:906:a3d9:: with SMTP id ca25mr16122147ejb.306.1631940860089; Fri, 17 Sep 2021 21:54:20 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1631940860; cv=none; d=google.com; s=arc-20160816; b=hVSn1fPgtDTV14QCDSWC/5caVn3zc3jiyz31GD9sZca52YEP9SMzimMfAXdHfB04YM ehUM4k3nIdXp1czu7HsPaeaDx+pMJNGwcT40tPAMYmAYsmCa0GiFqlgfgLlX+VtpLf4i hWRoCX2fTalgFY7i3X1M6gh/oxf3k0ifvmx4RCpMma6jIFzOJ6uJHtzDN3d0K6PDynmx FMMNuFJ6pF8PK8cGh5kT/iVXo3Bnyhv9V5o/JOROIaVl2Lw2T0NyAS6PUSGUje4aOUt3 HEiMcK1eFvgdGvag4/0IeU94gQOS2tmcclc4uQrJ59j2Ys8ie2/sPKNpVrZ/kLuyqbJb qvGw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date :dkim-signature; bh=D0t56trwMD2ZdvAjr2ueiL5b4vMyiepBQ/xO4U0qVKM=; b=aC8zgVr+Sh8AySqhrVPrsFHhWqG1Bx9RvHrxNUUGcNOOIs5K722F2YYoxjTzJ0wAHV Ab9PyqoI6caZD7XEcVez1sOpIIni3UVe9ShulRR0/ylG/Ug2kX1iw2+LQf4tCxD4TtVZ 5W8gvDVqt++QzZ6+RjjCCejlFXzh7Xh4tAM+KEcnA1rnTso09NaN2Ho+laN2qbdtCut3 kcdo8kW+hK83oaWZfsDArWqOlxvXCXVQTJriBFPcPxbbg9BzWrUJRQhdTTN4PtTAOGcK 6LFoutYXIwqiZCKuZWYPUEbu4fjj45+yTpAJ6v7+gJJoVmtsS9OhuhaYYpF9/8F5AnHU qxjw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=FDO5m22H; 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=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id y17si9494182edi.120.2021.09.17.21.53.56; Fri, 17 Sep 2021 21:54:20 -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=@kernel.org header.s=k20201202 header.b=FDO5m22H; 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=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235005AbhIQVKU (ORCPT + 99 others); Fri, 17 Sep 2021 17:10:20 -0400 Received: from mail.kernel.org ([198.145.29.99]:38600 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231268AbhIQVKT (ORCPT ); Fri, 17 Sep 2021 17:10:19 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id EA83161074; Fri, 17 Sep 2021 21:08:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1631912937; bh=D0t56trwMD2ZdvAjr2ueiL5b4vMyiepBQ/xO4U0qVKM=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=FDO5m22H3O8IwL6A+Fazy4juhH768103jDHHFoA35qEFzCkzAE834RbXF7DIJ8JA4 F9s2uBC6ZJkIoi9GfHqZkl0Et/x3QtTzqImz2X7iIs6bsuzqSiYfIqTsqb84tvtgRI z/DVKWVGEAIQBzfdffjRvWcqQ7pI2hq0yQT2Ktc5XhQNEiw6nFl6gRGUv/TnFUItv6 zA6WHPa7iXmHD7i/Xk8o1v9blM+IS0QNJOXNuSvaED6v3wyP0e1fst1MvHCUZv1FjV z2NnrAAArU+1dDORAqkUgNQrPcbVKjOnmKszDNWRhuSo7s7ht6q2/xo7PcMy5LWCY+ 8XkOxmoexFQsA== Date: Fri, 17 Sep 2021 14:08:56 -0700 From: Jakub Kicinski To: Cc: , , Subject: Re: [PATCH net v2 2/2] ptp: idt82p33: implement double dco time correction Message-ID: <20210917140856.01a00f2e@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> In-Reply-To: <1631911821-31142-2-git-send-email-min.li.xe@renesas.com> References: <1631911821-31142-1-git-send-email-min.li.xe@renesas.com> <1631911821-31142-2-git-send-email-min.li.xe@renesas.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 17 Sep 2021 16:50:21 -0400 min.li.xe@renesas.com wrote: > Current adjtime is not accurate when delta is smaller than 10000ns. So > for small time correction, we will switch to DCO mode to pull phase > more precisely in one second duration. 1. *Never* repost the patches when there is an ongoing discussion. 2. Always CC people who gave you feedback on the previous version.