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[23.128.96.19]) by mx.google.com with ESMTPS id a186-20020a6390c3000000b003aa67dc6efesi1800125pge.688.2022.04.27.09.28.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Apr 2022 09:28:28 -0700 (PDT) Received-SPF: softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) client-ip=23.128.96.19; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=SRtRFUxF; spf=softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 5A7FB87202; Wed, 27 Apr 2022 08:57:43 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241306AbiD0P7F (ORCPT + 99 others); Wed, 27 Apr 2022 11:59:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57978 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241088AbiD0P63 (ORCPT ); Wed, 27 Apr 2022 11:58:29 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9D91C737BD; Wed, 27 Apr 2022 08:55:06 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 950EC61B0C; Wed, 27 Apr 2022 15:55:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C325CC385AC; Wed, 27 Apr 2022 15:55:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1651074904; bh=Piko2fouUlHnnl1uG5umbKhIYMeTrewPG6CLc18H38o=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=SRtRFUxFKtCdBTtyse0uGH/a7eJz+F73+BB1OV8HvPvfXjks7MS3J/ViyoWllU5jk uHVJ6aVDQlgc+v+gsNDzYoCnj8uxFX4anMZlCDL+j7Pj3m+frmrGn3t3ji69RH/wKG 0JIpTJJ87NqotwhpZg2ulvrAAWJngXByonMKI2j1WddU+bhAAsDfme51MbXliUwEy3 GB6wcD3wH1GcVrDmA+574OsOdDHiWLklmzq2buYznqINMy6N5TrTkGH1Dl3XjA25uz dnnlFDTupCxHYfRimfwJ5p5piFR0wfqYv8I5woNuP5FJKFOiI6uK33G6ITjcf3Tpdl MuCMWly4yRyUQ== Date: Wed, 27 Apr 2022 08:55:02 -0700 From: Jakub Kicinski To: Min Li Cc: "richardcochran@gmail.com" , "lee.jones@linaro.org" , "linux-kernel@vger.kernel.org" , "netdev@vger.kernel.org" Subject: Re: [PATCH net 1/2] ptp: ptp_clockmatrix: Add PTP_CLK_REQ_EXTTS support Message-ID: <20220427085502.719366ad@kernel.org> In-Reply-To: References: <1651001574-32457-1-git-send-email-min.li.xe@renesas.com> <20220426142150.47b057a3@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.9 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, RDNS_NONE,SPF_HELO_NONE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 27 Apr 2022 14:32:03 +0000 Min Li wrote: > > On Tue, 26 Apr 2022 15:32:53 -0400 Min Li wrote: > > > Use TOD_READ_SECONDARY for extts to keep TOD_READ_PRIMARY for > > gettime > > > and settime exclusively > > > > Does not build on 32 bit. > > > > Hi Jakub > > I compiled with arm-linux-gnueabi- > > By 32 bit, did you mean x86? Yup! I think arm does not have the 64b division problems x86 has. We hit the dreaded ERROR: modpost: "__divdi3" [drivers/ptp/ptp_clockmatrix.ko] undefined! ERROR: modpost: "__udivdi3" [drivers/ptp/ptp_clockmatrix.ko] undefined! on 32b x86 builds. Sorry for lack of clarity.