From patchwork Fri Jul 27 08:07:34 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Huang, Ying" X-Patchwork-Id: 1247291 Return-Path: X-Original-To: patchwork-linux-pm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id ACC103FDCA for ; Fri, 27 Jul 2012 08:07:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752755Ab2G0IHm (ORCPT ); Fri, 27 Jul 2012 04:07:42 -0400 Received: from mga02.intel.com ([134.134.136.20]:53305 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752459Ab2G0IHj (ORCPT ); Fri, 27 Jul 2012 04:07:39 -0400 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP; 27 Jul 2012 01:07:38 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.67,352,1309762800"; d="scan'208";a="172107134" Received: from yhuang-dev.sh.intel.com ([10.239.13.28]) by orsmga001.jf.intel.com with ESMTP; 27 Jul 2012 01:07:36 -0700 From: Huang Ying To: Bjorn Helgaas Cc: linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-pm@vger.kernel.org, "Rafael J. Wysocki" , Bjorn Mork , Huang Ying Subject: [RFC] PCI/PM: Add ABI document for sysfs file d3cold_allowed Date: Fri, 27 Jul 2012 16:07:34 +0800 Message-Id: <1343376454-28520-1-git-send-email-ying.huang@intel.com> X-Mailer: git-send-email 1.7.10.4 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org This patch adds ABI document for the following sysfs file: /sys/bus/pci/devices/.../d3cold_allowed Signed-off-by: Huang Ying Acked-by: Rafael J. Wysocki --- Documentation/ABI/testing/sysfs-bus-pci | 12 ++++++++++++ 1 file changed, 12 insertions(+) -- To unsubscribe from this list: send the line "unsubscribe linux-pm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html --- a/Documentation/ABI/testing/sysfs-bus-pci +++ b/Documentation/ABI/testing/sysfs-bus-pci @@ -210,3 +210,15 @@ Users: firmware assigned instance number of the PCI device that can help in understanding the firmware intended order of the PCI device. + +What: /sys/bus/pci/devices/.../d3cold_allowed +Date: July 2012 +Contact: Huang Ying +Description: + d3cold_allowed is bit to control whether the corresponding PCI + device can be put into D3Cold state. If it is cleared, the + device will never be put into D3Cold state. If it is set, the + device may be put into D3Cold state if other requirement are + satisfied too. Reading this attribute will show the current + value of d3cold_allowed bit. Writting this attribute will set + the value of d3cold_allowed bit.