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=-5.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_MUTT autolearn=ham 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 E7B0AC48BD5 for ; Tue, 25 Jun 2019 14:11:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BC774213F2 for ; Tue, 25 Jun 2019 14:11:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729618AbfFYOLU (ORCPT ); Tue, 25 Jun 2019 10:11:20 -0400 Received: from mga01.intel.com ([192.55.52.88]:39777 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729476AbfFYOLU (ORCPT ); Tue, 25 Jun 2019 10:11:20 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 25 Jun 2019 07:11:19 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,416,1557212400"; d="scan'208";a="182898879" Received: from lahna.fi.intel.com (HELO lahna) ([10.237.72.157]) by fmsmga001.fm.intel.com with SMTP; 25 Jun 2019 07:11:16 -0700 Received: by lahna (sSMTP sendmail emulation); Tue, 25 Jun 2019 17:11:16 +0300 Date: Tue, 25 Jun 2019 17:11:16 +0300 From: Mika Westerberg To: "Rafael J. Wysocki" Cc: Linux ACPI , Bjorn Helgaas , Linux PM , LKML , Zhang Rui Subject: Re: [PATCH 1/2] ACPI: PM: Avoid evaluating _PS3 on transitions from D3hot to D3cold Message-ID: <20190625141116.GI2640@lahna.fi.intel.com> References: <10419005.Mb09WM6RCc@kreacher> <3012059.oderKuhLE3@kreacher> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3012059.oderKuhLE3@kreacher> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo User-Agent: Mutt/1.11.4 (2019-03-13) Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org On Tue, Jun 25, 2019 at 02:04:45PM +0200, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki > > If the power state of a device with ACPI PM is changed from D3hot to > D3cold, it merely is a matter of dropping references to additional > power resources (specifically, those in the list returned by _PR3), > and the _PS3 method should not be invoked for the device then (as > it has already been evaluated during the previous transition to > D3hot). > > Fixes: 20dacb71ad28 (ACPI / PM: Rework device power management to follow ACPI 6) > Signed-off-by: Rafael J. Wysocki Reviewed-by: Mika Westerberg