Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp1716674pxb; Wed, 10 Feb 2021 15:15:57 -0800 (PST) X-Google-Smtp-Source: ABdhPJx8/I3dJaBKER+18Zh0sagTwq+zf7HdTM5OlL4TAIYjcQtKGmcd0h3DyUrZbQNKgwrMhzFF X-Received: by 2002:a50:8a90:: with SMTP id j16mr5379896edj.334.1612998957180; Wed, 10 Feb 2021 15:15:57 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1612998957; cv=none; d=google.com; s=arc-20160816; b=lsXQO/vjt06a5rot5ntn+nLTLf3vGR6TMI8Fet4MuSFZ6ZxpzF803T6pVSyyjtZGI7 iB5Y2R1m6ex1fVGnF6QLWYt9UNgaDqOHKVvoVtwtPV66Ccvy55L2PGyGA410qRDPtgje 1pt7oezGaxStBiKA6SOlo/Ya+Rj1XyJDAhpZQ6A3GNbFfGYl2ZWFMiTsxhQGI6xG4uFc sCAAI9708GYkI9K6cbF5t/3JcHmLXaVQIQqUlYws2kkBz6hU9Wr33zD9UTmZcmvG98rn EDmYQ4lA2nXsYxoUYotuxo/taU3QVTupxO7jAqH1rq6pQFXK1jFsAUf4zv3gqL7PkdQU ScHQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :ironport-sdr:ironport-sdr; bh=QHF9khSXxsfA4kZ69xr2lX8UyJA+RGbU0VKj34xkl6k=; b=XFcFe7RUO3524zkhP6MgTdxA1QgACkeGNz/jYP5eIGxaLsOYYLvEvwdjMSR3IDgDsk jpxdB3IypKeCNDwA6buUmI/3+TILoEu+iZa18vkqLZEWxn7OqeHdLIUJPwxhfhIXiEqQ dqR8Z9oPRjk2GEMmeq4ydzHMI/uyaTGcwbdhZxNSMUmGOslLewXpZS/n+BjbmtLeQTIF Dj6hYgduR/FwgUcaEsipoLwgQhpNS37safou7vNx5obh6YseZvkTJgzY4wgPc5lLfcDK NHiatroxGBMJhMRA69LAU1R4GyyTSnejPho5W2Uj0RoFiVn0hayovkgAemH4OIdQh/tw Uttw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id gz20si2301017ejb.241.2021.02.10.15.15.33; Wed, 10 Feb 2021 15:15:57 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234039AbhBJXOa (ORCPT + 99 others); Wed, 10 Feb 2021 18:14:30 -0500 Received: from mga03.intel.com ([134.134.136.65]:18268 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232578AbhBJXKR (ORCPT ); Wed, 10 Feb 2021 18:10:17 -0500 IronPort-SDR: xAr1KMuC7k01DlyKh1KTe2apER90107GxEkfJIF3Sq8gHCxgfSvmMezHpewT0roB3FLpYHtDhR FcxihCcsdJ8A== X-IronPort-AV: E=McAfee;i="6000,8403,9891"; a="182233228" X-IronPort-AV: E=Sophos;i="5.81,169,1610438400"; d="scan'208";a="182233228" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Feb 2021 15:08:06 -0800 IronPort-SDR: 5LKcnIsjQMODyiwUZavTP9a10ehotS3GefcEwHkWUX1Go+g3zfMdXJu29F3a9GLNx/g0MfJdxx FCbvpVPszeSg== X-IronPort-AV: E=Sophos;i="5.81,169,1610438400"; d="scan'208";a="361506953" Received: from paasikivi.fi.intel.com ([10.237.72.42]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Feb 2021 15:08:03 -0800 Received: from punajuuri.localdomain (punajuuri.localdomain [192.168.240.130]) by paasikivi.fi.intel.com (Postfix) with ESMTP id 464A4204A6; Thu, 11 Feb 2021 01:08:01 +0200 (EET) Received: from sailus by punajuuri.localdomain with local (Exim 4.92) (envelope-from ) id 1l9yaW-0007tQ-TP; Thu, 11 Feb 2021 01:08:00 +0200 From: Sakari Ailus To: linux-i2c@vger.kernel.org Cc: Wolfram Sang , "Rafael J. Wysocki" , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman , rajmohan.mani@intel.com, Tomasz Figa , Bartosz Golaszewski , Bingbu Cao , Chiranjeevi Rapolu , Hyungwoo Yang , linux-media@vger.kernel.org Subject: [PATCH v11 1/7] ACPI: scan: Obtain device's desired enumeration power state Date: Thu, 11 Feb 2021 01:07:54 +0200 Message-Id: <20210210230800.30291-2-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210210230800.30291-1-sakari.ailus@linux.intel.com> References: <20210210230800.30291-1-sakari.ailus@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Store a device's desired enumeration power state in struct acpi_device_power during acpi_device object's initialisation. Signed-off-by: Sakari Ailus --- drivers/acpi/scan.c | 4 ++++ include/acpi/acpi_bus.h | 1 + 2 files changed, 5 insertions(+) diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index a184529d8fa40..6a9b4a92c4f66 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -987,6 +987,7 @@ static void acpi_bus_init_power_state(struct acpi_device *device, int state) static void acpi_bus_get_power_flags(struct acpi_device *device) { + unsigned long long dse = ACPI_STATE_D0; u32 i; /* Presence of _PS0|_PR0 indicates 'power manageable' */ @@ -1008,6 +1009,9 @@ static void acpi_bus_get_power_flags(struct acpi_device *device) if (acpi_has_method(device->handle, "_DSW")) device->power.flags.dsw_present = 1; + acpi_evaluate_integer(device->handle, "_DSE", NULL, &dse); + device->power.state_for_enumeration = dse; + /* * Enumerate supported power management states */ diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 02a716a0af5d4..becfc9f57002b 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -276,6 +276,7 @@ struct acpi_device_power { int state; /* Current state */ struct acpi_device_power_flags flags; struct acpi_device_power_state states[ACPI_D_STATE_COUNT]; /* Power states (D0-D3Cold) */ + u8 state_for_enumeration; /* Maximum power state for enumeration */ }; /* Performance Management */ -- 2.20.1