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=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 3F2B2C2D0E4 for ; Fri, 13 Nov 2020 02:34:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E3C27221E9 for ; Fri, 13 Nov 2020 02:34:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726319AbgKMCez (ORCPT ); Thu, 12 Nov 2020 21:34:55 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:7186 "EHLO szxga04-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726050AbgKMCez (ORCPT ); Thu, 12 Nov 2020 21:34:55 -0500 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4CXMxY36znz15Vt3; Fri, 13 Nov 2020 10:34:41 +0800 (CST) Received: from [10.174.177.230] (10.174.177.230) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.487.0; Fri, 13 Nov 2020 10:34:46 +0800 Subject: Re: [PATCH net] net: dsa: lantiq_gswip: add missed clk_disable_unprepare() in gswip_gphy_fw_load() To: Vladimir Oltean CC: , , , , , , , References: <1605179495-818-1-git-send-email-zhangchangzhong@huawei.com> <20201112124110.yhquvw2cptvh2oii@skbuf> From: Zhang Changzhong Message-ID: <04b3adaa-b385-3077-84ef-e5f66f22ed9e@huawei.com> Date: Fri, 13 Nov 2020 10:34:43 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: <20201112124110.yhquvw2cptvh2oii@skbuf> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.174.177.230] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020/11/12 20:41, Vladimir Oltean wrote: > > gswip_gphy_fw_list > -> gswip_gphy_fw_probe > -> gswip_gphy_fw_load > -> clk_prepare_enable > -> then fails > > Then gswip_gphy_fw_list does this: > for_each_available_child_of_node(gphy_fw_list_np, gphy_fw_np) { > err = gswip_gphy_fw_probe(priv, &priv->gphy_fw[i], > gphy_fw_np, i); > if (err) > goto remove_gphy; > i++; > } > > return 0; > > remove_gphy: > for (i = 0; i < priv->num_gphy_fw; i++) > gswip_gphy_fw_remove(priv, &priv->gphy_fw[i]); > > > Then gswip_gphy_fw_remove does this: > gswip_gphy_fw_remove > -> clk_disable_unprepare > > What's wrong with this? > . > Thanks for reminding, I got it wrong.