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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 96ABFFA373D for ; Mon, 31 Oct 2022 00:45:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229728AbiJaApX (ORCPT ); Sun, 30 Oct 2022 20:45:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33842 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229574AbiJaApV (ORCPT ); Sun, 30 Oct 2022 20:45:21 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 25E8895BE for ; Sun, 30 Oct 2022 17:45:20 -0700 (PDT) Received: from dggpemm500023.china.huawei.com (unknown [172.30.72.55]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4N0vSf0bQxzmVXy; Mon, 31 Oct 2022 08:40:18 +0800 (CST) Received: from dggpemm500001.china.huawei.com (7.185.36.107) by dggpemm500023.china.huawei.com (7.185.36.83) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Mon, 31 Oct 2022 08:45:17 +0800 Received: from [10.67.111.195] (10.67.111.195) by dggpemm500001.china.huawei.com (7.185.36.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Mon, 31 Oct 2022 08:45:17 +0800 Message-ID: <8478195c-6d6e-d5ac-40f8-ab764419881e@huawei.com> Date: Mon, 31 Oct 2022 08:45:16 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.3.0 Subject: Re: [PATCH v2 -next] powerpc/powermac: Fix symbol not declared warnings To: , , , , , , , , , , , References: <20220819130616.2030769-1-chenlifu@huawei.com> From: chenlifu In-Reply-To: <20220819130616.2030769-1-chenlifu@huawei.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-Originating-IP: [10.67.111.195] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggpemm500001.china.huawei.com (7.185.36.107) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 在 2022/8/19 21:06, Chen Lifu 写道: > 1. ppc_override_l2cr and ppc_override_l2cr_value are only used in > l2cr_init() function, remove them and used *l2cr directly. > 2. has_l2cache is not used outside of the file, so mark it static and > do not initialise statics to 0. > > Fixes the following warning: > > arch/powerpc/platforms/powermac/setup.c:74:5: warning: symbol 'ppc_override_l2cr' was not declared. Should it be static? > arch/powerpc/platforms/powermac/setup.c:75:5: warning: symbol 'ppc_override_l2cr_value' was not declared. Should it be static? > arch/powerpc/platforms/powermac/setup.c:76:5: warning: symbol 'has_l2cache' was not declared. Should it be static? > > Signed-off-by: Chen Lifu > --- > arch/powerpc/platforms/powermac/setup.c | 19 ++++++------------- > 1 file changed, 6 insertions(+), 13 deletions(-) > > diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c > index 04daa7f0a03c..49faa066b372 100644 > --- a/arch/powerpc/platforms/powermac/setup.c > +++ b/arch/powerpc/platforms/powermac/setup.c > @@ -68,13 +68,11 @@ > > #include "pmac.h" > > #undef SHOW_GATWICK_IRQS > > -int ppc_override_l2cr = 0; > -int ppc_override_l2cr_value; > -int has_l2cache = 0; > +static int has_l2cache; > > int pmac_newworld; > > static int current_root_goodness = -1; > > @@ -234,26 +232,21 @@ static void __init l2cr_init(void) > > for_each_of_cpu_node(np) { > const unsigned int *l2cr = > of_get_property(np, "l2cr-value", NULL); > if (l2cr) { > - ppc_override_l2cr = 1; > - ppc_override_l2cr_value = *l2cr; > _set_L2CR(0); > - _set_L2CR(ppc_override_l2cr_value); > + _set_L2CR(*l2cr); > + printk(KERN_INFO "L2CR overridden (0x%x), " > + "backside cache is %s\n", > + *l2cr, ((*l2cr) & 0x80000000) ? > + "enabled" : "disabled"); > } > of_node_put(np); > break; > } > } > - > - if (ppc_override_l2cr) > - printk(KERN_INFO "L2CR overridden (0x%x), " > - "backside cache is %s\n", > - ppc_override_l2cr_value, > - (ppc_override_l2cr_value & 0x80000000) > - ? "enabled" : "disabled"); > } > #endif > > static void __init pmac_setup_arch(void) > { Friendly ping ...