From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5580DC43461 for ; Tue, 8 Sep 2020 14:54:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 211C421D82 for ; Tue, 8 Sep 2020 14:54:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="YcxOD8EY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730133AbgIHOxu (ORCPT ); Tue, 8 Sep 2020 10:53:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39744 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729738AbgIHO0E (ORCPT ); Tue, 8 Sep 2020 10:26:04 -0400 Received: from mail-pf1-x443.google.com (mail-pf1-x443.google.com [IPv6:2607:f8b0:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EB320C08E819 for ; Tue, 8 Sep 2020 07:25:15 -0700 (PDT) Received: by mail-pf1-x443.google.com with SMTP id v196so11098834pfc.1 for ; Tue, 08 Sep 2020 07:25:15 -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=UBty8M6L5SvxYNMesXi2qZ6G60zmJGJi4Vd7iMk+Fnw=; b=YcxOD8EYSYJAZ468jR43l92j1QpHrww7W1G4nz5GklfWEEfekFqfRibGIXgWUliBo5 coxi6EVS+79JWoZw8o4S+8X1OBvaOQ1E/YiQYzTe4R0WnD44WuqJQ5+u1HGn1hytef1f kgiQudP594yROIdn14WgbZGyKymu073J8mn9Kq0d7kRUFPIHmja8eAJJNxR/9CSytceX ML8JdzS16PkoQLdcFCcy5EYSlB3nDUaNutYA+4Bz4P/7GJGGhqhScXMpfuFhazMu7nXP hRYML+cz5QQrV31ZFkyKK0tUx1PqE7ptWgH7loYlMYZq+Kt6xbRyfdlxbqpI79Va+HwC u39g== 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=UBty8M6L5SvxYNMesXi2qZ6G60zmJGJi4Vd7iMk+Fnw=; b=FwDC051YRMtOzyekmmlt2nC+iYVSRzDzTuPnRTKS30H1R7XPAgQcKVjYPdrePgRheb c9+U11eMrefGr8fUrno7y8y3SvoZHyWXlHtxIeuRDb5edhLG9A9kO8vCWqKHs6gXuV7m mGBHzNYLBaItmcqYlAoZ+Ir02LoIDMdrfkUksMF2t2EUp5/ExOgsVTXXCAzEAAcK5cMU LQU0wSQ79bZnTBAPY7sAsKwzW/oVnDd6vD36MTqAO2bDKRZaIl8QMcgA44UKLmdS3f1a 1+oynUzlDIaT67tZ4PPGLxSXchE9zUF6m0SWnDfwDNBKDLDqx8rzOA4RzIqZeIde90HX Ab2w== X-Gm-Message-State: AOAM530y0w/Neh1un+Z79+LWz1OHiK6oEHKWCIReMkqDs8H9kIKu6aCM AZkIL+CVHkayK+AfPQYAP5++yxc/67o= X-Google-Smtp-Source: ABdhPJxdFyYejJFK1kT55fEjEkm+uuinZNdlJBUlOpnzLDe+YGuIeqdLT7AjWiHBC5XvX90c6fUptg== X-Received: by 2002:aa7:824c:0:b029:137:165:ddce with SMTP id e12-20020aa7824c0000b02901370165ddcemr23621574pfn.0.1599575115535; Tue, 08 Sep 2020 07:25:15 -0700 (PDT) Received: from hoboy (c-73-241-114-122.hsd1.ca.comcast.net. [73.241.114.122]) by smtp.gmail.com with ESMTPSA id c185sm9104172pfb.123.2020.09.08.07.25.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Sep 2020 07:25:14 -0700 (PDT) Date: Tue, 8 Sep 2020 07:25:12 -0700 From: Richard Cochran To: Russell King - ARM Linux admin Cc: Alexandre Belloni , Antoine Tenart , Matteo Croce , Andre Przywara , Sven Auhagen , "David S. Miller" , Jakub Kicinski , netdev@vger.kernel.org Subject: Re: [PATCH net-next v2 4/6] net: mvpp2: ptp: add TAI support Message-ID: <20200908142512.GA31515@hoboy> References: <20200904072828.GQ1551@shell.armlinux.org.uk> <20200905170258.GA30943@hoboy> <20200906200402.GX1551@shell.armlinux.org.uk> <20200908074158.GD1605@shell.armlinux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200908074158.GD1605@shell.armlinux.org.uk> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Tue, Sep 08, 2020 at 08:41:58AM +0100, Russell King - ARM Linux admin wrote: > > Should we always set the TAI counter to zero every time the TAI is > initialised, or just leave it as is (the counter may already be set > by a previous kernel, for example when a kexec has happened). I think if the power on value is zero, then leaving it along during driver probe is fine. Thanks, Richard