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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=unavailable 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 E9E26C43381 for ; Thu, 28 Feb 2019 15:51:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B53A4218AE for ; Thu, 28 Feb 2019 15:51:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732837AbfB1Pvr convert rfc822-to-8bit (ORCPT ); Thu, 28 Feb 2019 10:51:47 -0500 Received: from smtp.asem.it ([151.1.184.197]:61141 "EHLO smtp.asem.it" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727878AbfB1Pvq (ORCPT ); Thu, 28 Feb 2019 10:51:46 -0500 Received: from webmail.asem.it by asem.it (smtp.asem.it) (SecurityGateway 5.5.0) with ESMTP id SG003723608.MSG for ; Thu, 28 Feb 2019 16:51:42 +0100S Received: from ASAS044.asem.intra (172.16.16.44) by ASAS044.asem.intra (172.16.16.44) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1261.35; Thu, 28 Feb 2019 16:51:40 +0100 Received: from ASAS044.asem.intra ([::1]) by ASAS044.asem.intra ([::1]) with mapi id 15.01.1261.035; Thu, 28 Feb 2019 16:51:40 +0100 From: Flavio Suligoi To: Andrew Lunn CC: Jeff Kirsher , "David S . Miller" , "intel-wired-lan@lists.osuosl.org" , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH v3] net: e1000e: add MAC address kernel cmd line parameter Thread-Topic: [PATCH v3] net: e1000e: add MAC address kernel cmd line parameter Thread-Index: AQHUz2za8U5Pv4cZVkOebP6EQ2CVPqX1RhaAgAAUBLA= Date: Thu, 28 Feb 2019 15:51:40 +0000 Message-ID: References: <1551361135-404-1-git-send-email-f.suligoi@asem.it> <1551361951-1595-1-git-send-email-f.suligoi@asem.it> <20190228153245.GA17912@lunn.ch> In-Reply-To: <20190228153245.GA17912@lunn.ch> Accept-Language: it-IT, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.16.17.161] Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 X-SGHeloLookup-Result: pass smtp.helo=webmail.asem.it (ip=172.16.16.44) X-SGSPF-Result: none (smtp.asem.it) X-SGOP-RefID: str=0001.0A0B020E.5C78038D.000B,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0 (_st=1 _vt=0 _iwf=0) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > -----Original Message----- > From: Andrew Lunn > Sent: giovedì 28 febbraio 2019 16:33 > To: Flavio Suligoi > Cc: Jeff Kirsher ; David S . Miller > ; intel-wired-lan@lists.osuosl.org; > netdev@vger.kernel.org; linux-kernel@vger.kernel.org > Subject: Re: [PATCH v3] net: e1000e: add MAC address kernel cmd line > parameter > > On Thu, Feb 28, 2019 at 02:52:31PM +0100, Flavio Suligoi wrote: > > Sometimes, in some embedded systems boards (i.e. ARM boards), > > the NVM eeprom is not mounted, to save cost and space. > > > > In this case it is necessary to bypass the NVM management > > and directly force the MAC address using a kernel command-line > > parameter (macaddr). > > Hi Flavio > > Why not use device tree, since this is an ARM platform? Hi Andrew, we produce a lot of boards and we have to change the MAC address, from u-boot, for every board. So I must save in the u-boot environment (SPI NOR flash) the MAC address for every board. Flavio > > Andrew