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 66399C433EF for ; Wed, 5 Jan 2022 14:21:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240643AbiAEOVW (ORCPT ); Wed, 5 Jan 2022 09:21:22 -0500 Received: from mga02.intel.com ([134.134.136.20]:9197 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240642AbiAEOVQ (ORCPT ); Wed, 5 Jan 2022 09:21:16 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1641392476; x=1672928476; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=EAdgIp26iUg6aUv/Nvv5aYtYFvk2bNewToWj30BrfSY=; b=iHFbOGGzhv+Zna/nEAqB/hczGzZaI+Q7u5KkOXUQ3Y/wgi+bq0oTFeO4 4igyOYa/wvJnniJCpK2huuMMUoRWhx9C7+Oe3dqoKvBrVkuK5oR/KfNc8 cv/Sk2WCBf4gfeyQ5ncnmRLpr2cv+/8vJO6B/ui3yloEebNin/ZxuGWh8 /Mf5Ng6dJX3U4WVQEBwi3a9GS9b+RlWDFLk1uenJnuWXhuzlEqRMVNJvu uJpDrObRz0uQl/XBE13YnLL7KZLs2KMTBKmkrFM3QOD19uvYjQca0GfW/ NSUly2nIMzYSeS4hJB+Hczfc341Exh3ZM1A9+jZ7Hzn8Gh/BApYJLZKT+ w==; X-IronPort-AV: E=McAfee;i="6200,9189,10217"; a="229767577" X-IronPort-AV: E=Sophos;i="5.88,264,1635231600"; d="scan'208";a="229767577" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jan 2022 05:55:57 -0800 X-IronPort-AV: E=Sophos;i="5.88,264,1635231600"; d="scan'208";a="591022758" Received: from smile.fi.intel.com ([10.237.72.61]) by fmsmga004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jan 2022 05:55:54 -0800 Received: from andy by smile.fi.intel.com with local (Exim 4.95) (envelope-from ) id 1n56kP-006ipY-IF; Wed, 05 Jan 2022 15:54:37 +0200 Date: Wed, 5 Jan 2022 15:54:37 +0200 From: Andy Shevchenko To: Miaoqian Lin Cc: Jonathan Cameron , Lars-Peter Clausen , Linus Walleij , Alexandru Ardelean , Stephan Gerhold , Gwendal Grignou , Adriana Reus , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] iio: gyro: bmg160: Fix error handling in bmg160_core_probe Message-ID: References: <20220105125633.21989-1-linmq006@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220105125633.21989-1-linmq006@gmail.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 05, 2022 at 12:56:30PM +0000, Miaoqian Lin wrote: > The pm_runtime_enable will increase power disable depth. > If the probe fails, we should use pm_runtime_disable() to balance > pm_runtime_enable(). In the PM Runtime docs: > Drivers in ->remove() callback should undo the runtime PM changes done > in ->probe(). Usually this means calling pm_runtime_disable(), > pm_runtime_dont_use_autosuspend() etc. > We should do this in error handling. Looking into culprit commit, can you fix all of them, please? -- With Best Regards, Andy Shevchenko