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 8F115C4332F for ; Thu, 10 Nov 2022 12:13:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230018AbiKJMN2 (ORCPT ); Thu, 10 Nov 2022 07:13:28 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33036 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229633AbiKJMN2 (ORCPT ); Thu, 10 Nov 2022 07:13:28 -0500 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 87ACCF1C; Thu, 10 Nov 2022 04:13:25 -0800 (PST) Received: from dggpeml500022.china.huawei.com (unknown [172.30.72.55]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4N7LMT72Mhz15MR0; Thu, 10 Nov 2022 20:13:09 +0800 (CST) Received: from [10.174.176.82] (10.174.176.82) by dggpeml500022.china.huawei.com (7.185.36.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Thu, 10 Nov 2022 20:13:23 +0800 Message-ID: <91e13efd-2de9-6fa1-188f-ec74958fff99@huawei.com> Date: Thu, 10 Nov 2022 20:13:23 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.1.1 Subject: Re: [PATCH RFC] ACPI: container: Add power domain control methods To: "Rafael J. Wysocki" CC: , , , , , , , References: <20221025061437.17571-1-zhangzekun11@huawei.com> From: "zhangzekun (A)" In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-Originating-IP: [10.174.176.82] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggpeml500022.china.huawei.com (7.185.36.66) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org Kindly ping. 在 2022/10/29 1:07, Rafael J. Wysocki 写道: > On Tue, Oct 25, 2022 at 8:17 AM Zhang Zekun wrote: >> Platform devices which supports power control are often required to be >> power off/on together with the devices in the same power domain. However, >> there isn't a generic driver that support the power control logic of >> these devices. > Not true. > > There is the ACPI power resources interface designed to represent > power domains that is well supported and used in the industry. > > If it doesn't work for you, explain why. >