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=-7.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,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 8CB31C4320A for ; Fri, 20 Aug 2021 01:52:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6BC0E60EBC for ; Fri, 20 Aug 2021 01:52:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236479AbhHTBxP (ORCPT ); Thu, 19 Aug 2021 21:53:15 -0400 Received: from szxga08-in.huawei.com ([45.249.212.255]:14247 "EHLO szxga08-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234428AbhHTBxN (ORCPT ); Thu, 19 Aug 2021 21:53:13 -0400 Received: from dggemv703-chm.china.huawei.com (unknown [172.30.72.56]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4GrPlD4dxLz1CYPF; Fri, 20 Aug 2021 09:52:08 +0800 (CST) Received: from dggpeml500017.china.huawei.com (7.185.36.243) by dggemv703-chm.china.huawei.com (10.3.19.46) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Fri, 20 Aug 2021 09:52:34 +0800 Received: from [10.174.178.174] (10.174.178.174) by dggpeml500017.china.huawei.com (7.185.36.243) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Fri, 20 Aug 2021 09:52:34 +0800 Subject: Re: [PATCH -next] iio: adc: add missing clk_disable_unprepare() in rzg2l_adc_pm_runtime_resume() To: Andy Shevchenko CC: , , , References: <20210819132416.175644-1-yangyingliang@huawei.com> From: Yang Yingliang Message-ID: <9b848f1c-9acd-243e-2c5b-d489d2427464@huawei.com> Date: Fri, 20 Aug 2021 09:52:33 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-Originating-IP: [10.174.178.174] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To dggpeml500017.china.huawei.com (7.185.36.243) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On 2021/8/20 1:20, Andy Shevchenko wrote: > On Thu, Aug 19, 2021 at 4:19 PM Yang Yingliang wrote: >> Add clk_disable_unprepare() on error path in rzg2l_adc_pm_runtime_resume(). > ... > >> ret = clk_prepare_enable(adc->adclk); >> - if (ret) >> + if (ret) { >> + clk_disable_unprepare(adc->pclk); >> return ret; >> + } > Huh?! The pclk need be disabled, when enable adclk failed.       ^                                                         ^^ >