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 BCAEBC27C76 for ; Fri, 20 Jan 2023 22:44:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229814AbjATWoT (ORCPT ); Fri, 20 Jan 2023 17:44:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52760 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229768AbjATWoS (ORCPT ); Fri, 20 Jan 2023 17:44:18 -0500 Received: from mail-wm1-x32a.google.com (mail-wm1-x32a.google.com [IPv6:2a00:1450:4864:20::32a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 67D2813DC6 for ; Fri, 20 Jan 2023 14:44:01 -0800 (PST) Received: by mail-wm1-x32a.google.com with SMTP id d4-20020a05600c3ac400b003db1de2aef0so4706415wms.2 for ; Fri, 20 Jan 2023 14:44:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=Uni4fgWzey2A2pr/65sW4fSjZ1BK0qfdeoeclceKc+I=; b=p587u395pzhdB1gao6W8PwGUdEh0uuwLLyLD0oCi2QsiNyXvUhdZ7UYWqIjlE8qtF8 PIwCWEOuQw3HEf7nVesE8DnpT6plVIKMIvGLvSvQR40MUXDgWUUJMsD4/wJW6n/8MiJt hesXHJB9ytz+ZbOsYOFhHVJediFtzXim9MvQO44xUqF5c9soPa0e6/ADR8s1SLgT+qWw CJWXxTLF9NZfQ9oeoIQVgyopDsRvYx8pXpZV7TDwnjwtlOtFiJXCcvOsBjANblgIlg6W jArcVnSXy1bKKfZzXeYeg91cCjQn3lzFkA5ib9QHryDkj7jNDBSJxZS6DQLcrCOOVVB2 JRcw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=Uni4fgWzey2A2pr/65sW4fSjZ1BK0qfdeoeclceKc+I=; b=Fu0BPOvMrWPHZHm8ZRzY1ndqcy/mjLXuN7F0Z4O1DXodA/S1qmdK0vrafghSppKPyO hmJ4zJetq4ieppHW1H8DHVdrA6BUVaWYANsqS7FJ/Ue6wYIz9vyQgYiyrHCdzlAPp3EQ 0psLHh1h/c+ptD1FbuG/xAXGJiApl4RaZ7shnZs14tNGGd77wJ2X7iQ5XYaZdayLxZ2z codH9ojEe8hwGbU25p8BzwXjeyAeC+VP75PtO9RR81bq8HYFR5N+Um7WwxEgaORhbBLM D27Wmpk+CXb1DFDaiibDcQHlIPkoubgWeQuGVXs9Mor6CRj46PSiUXIH4ITfU3Leuz9o CFRg== X-Gm-Message-State: AFqh2koS2XvQ5jcdCq1+FpkVfairqag2S2bBOyC6OiSwqxSMZmh8aPDm 42KqfchTMm4Wh9qpXV+GEQa8PQ== X-Google-Smtp-Source: AMrXdXuFooVJ5PKTGIO+sDLW3dqj2bMA3ND7vGcK7Lo8MNL+a+xqlJM/2QCAAHuUDKj7rzRll+eJLg== X-Received: by 2002:a05:600c:5409:b0:3da:f66a:e866 with SMTP id he9-20020a05600c540900b003daf66ae866mr15767602wmb.10.1674254639777; Fri, 20 Jan 2023 14:43:59 -0800 (PST) Received: from [192.168.10.46] (146725694.box.freepro.com. [130.180.211.218]) by smtp.googlemail.com with ESMTPSA id bg1-20020a05600c3c8100b003db09eaddb5sm12011498wmb.3.2023.01.20.14.43.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 20 Jan 2023 14:43:59 -0800 (PST) Message-ID: <4c532a7b-d5b4-da5e-5703-c6f8ebfbc62b@linaro.org> Date: Fri, 20 Jan 2023 23:43:58 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.2 Subject: Re: [PATCH v1 2/2] thermal: Fail object registration if thermal class is not registered Content-Language: en-US To: "Rafael J. Wysocki" , Linux PM , Greg Kroah-Hartman Cc: LKML , Srinivas Pandruvada , Zhang Rui References: <5905717.lOV4Wx5bFT@kreacher> <4780418.GXAFRqVoOG@kreacher> From: Daniel Lezcano In-Reply-To: <4780418.GXAFRqVoOG@kreacher> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 20/01/2023 20:48, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki > > If thermal_class is not registered with the driver core, there is no way > to expose the interfaces used by the thermal control framework, so > prevent thermal zones and cooling devices from being registered in > that case by returning an error from object registration functions. > > For this purpose, introduce class_is_registered() that checks the > private pointer of the given class and returns 'false' if it is NULL, > which means that the class has not been registered, and use it in the > thermal framework. > > Signed-off-by: Rafael J. Wysocki Acked-by: Daniel Lezcano -- Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog