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=-5.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 13FDFC432C0 for ; Wed, 20 Nov 2019 01:28:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DAA0E2245B for ; Wed, 20 Nov 2019 01:28:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727627AbfKTB2T (ORCPT ); Tue, 19 Nov 2019 20:28:19 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:50442 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727262AbfKTB2S (ORCPT ); Tue, 19 Nov 2019 20:28:18 -0500 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id C48BDC9B78963A98D675; Wed, 20 Nov 2019 09:28:01 +0800 (CST) Received: from [127.0.0.1] (10.177.96.96) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.439.0; Wed, 20 Nov 2019 09:27:59 +0800 Subject: Re: [PATCH net] net: dsa: ocelot: add dependency for NET_DSA_MSCC_FELIX To: David Miller CC: , , , , , , , References: <20191119025128.7393-1-maowenan@huawei.com> <20191119.154125.1492881397881625788.davem@davemloft.net> From: maowenan Message-ID: Date: Wed, 20 Nov 2019 09:27:32 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.2.1 MIME-Version: 1.0 In-Reply-To: <20191119.154125.1492881397881625788.davem@davemloft.net> Content-Type: text/plain; charset="gbk" Content-Transfer-Encoding: 8bit X-Originating-IP: [10.177.96.96] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ÔÚ 2019/11/20 7:41, David Miller дµÀ: > From: Mao Wenan > Date: Tue, 19 Nov 2019 10:51:28 +0800 > >> If CONFIG_NET_DSA_MSCC_FELIX=y, and CONFIG_NET_VENDOR_MICROSEMI=n, >> below errors can be found: >> drivers/net/dsa/ocelot/felix.o: In function `felix_vlan_del': >> felix.c:(.text+0x26e): undefined reference to `ocelot_vlan_del' >> drivers/net/dsa/ocelot/felix.o: In function `felix_vlan_add': >> felix.c:(.text+0x352): undefined reference to `ocelot_vlan_add' >> >> and warning as below: >> WARNING: unmet direct dependencies detected for MSCC_OCELOT_SWITCH >> Depends on [n]: NETDEVICES [=y] && ETHERNET [=y] && >> NET_VENDOR_MICROSEMI [=n] && NET_SWITCHDEV [=y] && HAS_IOMEM [=y] >> Selected by [y]: >> NET_DSA_MSCC_FELIX [=y] && NETDEVICES [=y] && HAVE_NET_DSA [=y] >> && NET_DSA [=y] && PCI [=y] >> >> This patch add dependency NET_VENDOR_MICROSEMI for NET_DSA_MSCC_FELIX. >> >> Fixes: 56051948773e ("net: dsa: ocelot: add driver for Felix switch family") >> Signed-off-by: Mao Wenan > > This seems more like a "select" situation, why in the world should the > user be required to know about NET_VENDOR_MISCROSEMI at all for this > driver? thanks. I will change to 'select' it and send v2. > > And NET_VENDOR_MICROSEMI does _NOT_ enable any code at all, you have > to enable the individual drivers guarded by NET_VENDOR_MICROSEMI in order > to resolve the symbols necessary for ocelot. > > I'm not applying this, it isn't correct. > > Thank you. > > . >