From patchwork Thu Jan 10 09:24:27 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aaron Lu X-Patchwork-Id: 1958951 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 C01F63FF0F for ; Thu, 10 Jan 2013 09:27:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752646Ab3AJJYb (ORCPT ); Thu, 10 Jan 2013 04:24:31 -0500 Received: from mga09.intel.com ([134.134.136.24]:24143 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752071Ab3AJJY1 (ORCPT ); Thu, 10 Jan 2013 04:24:27 -0500 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP; 10 Jan 2013 01:23:21 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,443,1355126400"; d="scan'208";a="244528075" Received: from aaronlu.sh.intel.com ([10.239.36.111]) by orsmga001.jf.intel.com with ESMTP; 10 Jan 2013 01:24:21 -0800 From: Aaron Lu To: Jeff Garzik , James Bottomley , "Rafael J. Wysocki" , Alan Stern , Tejun Heo Cc: Aaron Lu , Jeff Wu , linux-ide@vger.kernel.org, linux-pm@vger.kernel.org, linux-scsi@vger.kernel.org, linux-acpi@vger.kernel.org, Aaron Lu Subject: [PATCH v12 6/9] libata: expose pm qos flags for ata device Date: Thu, 10 Jan 2013 17:24:27 +0800 Message-Id: <1357809870-18816-7-git-send-email-aaron.lu@intel.com> X-Mailer: git-send-email 1.7.11.7 In-Reply-To: <1357809870-18816-1-git-send-email-aaron.lu@intel.com> References: <1357809870-18816-1-git-send-email-aaron.lu@intel.com> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Expose pm qos flags to user space so that user has a chance to disable ZPODD feature, if he/she has a broken platform or devices or simply does not like this feature. This flag is exposed to user space only for ZPODD devices. Signed-off-by: Aaron Lu Acked-by: Tejun Heo --- drivers/ata/libata-acpi.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c index 6f72c64..9709449 100644 --- a/drivers/ata/libata-acpi.c +++ b/drivers/ata/libata-acpi.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include "libata.h" @@ -1022,6 +1023,8 @@ static void ata_acpi_unregister_power_resource(struct ata_device *dev) void ata_acpi_bind(struct ata_device *dev) { ata_acpi_register_power_resource(dev); + if (zpodd_dev_enabled(dev)) + dev_pm_qos_expose_flags(&dev->sdev->sdev_gendev, 0); } void ata_acpi_unbind(struct ata_device *dev)