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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 3BB46C31E5B for ; Tue, 18 Jun 2019 15:56:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1C8ED213F2 for ; Tue, 18 Jun 2019 15:56:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729681AbfFRP4y (ORCPT ); Tue, 18 Jun 2019 11:56:54 -0400 Received: from shards.monkeyblade.net ([23.128.96.9]:49302 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729189AbfFRP4x (ORCPT ); Tue, 18 Jun 2019 11:56:53 -0400 Received: from localhost (unknown [IPv6:2601:601:9f80:35cd::3d5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id D7D8315069DDB; Tue, 18 Jun 2019 08:56:52 -0700 (PDT) Date: Tue, 18 Jun 2019 08:56:50 -0700 (PDT) Message-Id: <20190618.085650.1421670017271227288.davem@davemloft.net> To: shalomt@mellanox.com Cc: netdev@vger.kernel.org, jiri@mellanox.com, idosch@mellanox.com, mlxsw@mellanox.com, natechancellor@gmail.com Subject: Re: [PATCH net-next] mlxsw: spectrum_ptp: Fix compilation on 32-bit ARM From: David Miller In-Reply-To: <20190618124521.22612-1-shalomt@mellanox.com> References: <20190618124521.22612-1-shalomt@mellanox.com> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Tue, 18 Jun 2019 08:56:53 -0700 (PDT) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Shalom Toledo Date: Tue, 18 Jun 2019 12:45:35 +0000 > Compilation on 32-bit ARM fails after commit 992aa864dca0 ("mlxsw: > spectrum_ptp: Add implementation for physical hardware clock operations") > because of 64-bit division: > > arm-linux-gnueabi-ld: > drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.o: in function > `mlxsw_sp1_ptp_phc_settime': spectrum_ptp.c:(.text+0x39c): undefined > reference to `__aeabi_uldivmod' > > Fix by using div_u64(). > > Fixes: 992aa864dca0 ("mlxsw: spectrum_ptp: Add implementation for physical hardware clock operations") > Signed-off-by: Shalom Toledo > Reviewed-by: Ido Schimmel > Reported-by: Nathan Chancellor Applied, thank you.