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=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 CF4C6C43381 for ; Fri, 22 Feb 2019 14:30:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 906EE2075C for ; Fri, 22 Feb 2019 14:30:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="ZvcY0Iu0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726439AbfBVOaI (ORCPT ); Fri, 22 Feb 2019 09:30:08 -0500 Received: from vps0.lunn.ch ([185.16.172.187]:34681 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726352AbfBVOaI (ORCPT ); Fri, 22 Feb 2019 09:30:08 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=UlNTH2OknAwWpbVzNWbob9aCg22nw1E02gaV8sMxAps=; b=ZvcY0Iu0rIHSAyeNoaI6rsMLki nYhCyohaKh/vBdgc2hFOeRH/d25tX7m9yuMA5bPS8+jmarF/Ks5NEyvcNEP2RgO4UnQo+gzkMEe86 877QufQCosT1VwqA7UAh0v2kyb4MAaBA/IACSFveE9J113H9kJHXKjQHIQSVbAOnMODs=; Received: from andrew by vps0.lunn.ch with local (Exim 4.89) (envelope-from ) id 1gxBpz-0007DI-10; Fri, 22 Feb 2019 15:30:03 +0100 Date: Fri, 22 Feb 2019 15:30:03 +0100 From: Andrew Lunn To: Vinod Koul Cc: "David S. Miller" , linux-arm-msm@vger.kernel.org, Bjorn Andersson , Xiaofei Shen , Vivien Didelot , Florian Fainelli , Niklas Cassel , netdev@vger.kernel.org Subject: Re: [PATCH] net: dsa: Inherit dev addr from master Message-ID: <20190222143003.GL5653@lunn.ch> References: <20190222125654.12478-1-vkoul@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190222125654.12478-1-vkoul@kernel.org> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Fri, Feb 22, 2019 at 06:26:54PM +0530, Vinod Koul wrote: > From: Xiaofei Shen > > When we create slave netdevice, the dev addr is inherited from master > but the master dev addr maybe NULL at that time, so inherit it again > while opening the slave. Hi Xiaofei, Vinod Inheriting it twice seems a bit clumsy. Can the first inherit be removed? Can you change your MAC driver to set its MAC address in probe? Andrew