From patchwork Fri Sep 28 21:53:33 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rafael Wysocki X-Patchwork-Id: 1526871 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: patchwork-linux-pci@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 04A4540079 for ; Fri, 28 Sep 2012 21:50:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423155Ab2I1Vuk (ORCPT ); Fri, 28 Sep 2012 17:50:40 -0400 Received: from ogre.sisk.pl ([193.178.161.156]:50846 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1423142Ab2I1Vug (ORCPT ); Fri, 28 Sep 2012 17:50:36 -0400 Received: from localhost (localhost.localdomain [127.0.0.1]) by ogre.sisk.pl (Postfix) with ESMTP id 88EB41DC596; Fri, 28 Sep 2012 23:46:56 +0200 (CEST) Received: from ogre.sisk.pl ([127.0.0.1]) by localhost (ogre.sisk.pl [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 28315-02; Fri, 28 Sep 2012 23:46:36 +0200 (CEST) Received: from ferrari.rjw.lan (89-67-90-11.dynamic.chello.pl [89.67.90.11]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ogre.sisk.pl (Postfix) with ESMTP id B769E1DC757; Fri, 28 Sep 2012 23:46:36 +0200 (CEST) From: "Rafael J. Wysocki" To: Linux PM list Subject: [RFD][PATCH 3/7] PM / QoS: Prepare struct dev_pm_qos_request for more request types Date: Fri, 28 Sep 2012 23:53:33 +0200 User-Agent: KMail/1.13.6 (Linux/3.6.0-rc6+; KDE/4.6.0; x86_64; ; ) Cc: ACPI Devel Mailing List , Alan Stern , Huang Ying , Sarah Sharp , Lan Tianyu , Aaron Lu , Jean Pihet , linux-pci@vger.kernel.org, "Greg Kroah-Hartman" , mark gross References: <201209282351.10663.rjw@sisk.pl> In-Reply-To: <201209282351.10663.rjw@sisk.pl> MIME-Version: 1.0 Message-Id: <201209282353.33982.rjw@sisk.pl> X-Virus-Scanned: amavisd-new at ogre.sisk.pl using MkS_Vir for Linux Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org The subsequent patches will use struct dev_pm_qos_request for representing both latency requests and flags requests. To make that easier, put the node member of struct dev_pm_qos_request (under the name "pnode") into a union called "data" that will represent the request's value and list node depending on its type. Signed-off-by: Rafael J. Wysocki --- drivers/base/power/qos.c | 6 +++--- drivers/base/power/sysfs.c | 2 +- include/linux/pm_qos.h | 4 +++- 3 files changed, 7 insertions(+), 5 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Index: linux/include/linux/pm_qos.h =================================================================== --- linux.orig/include/linux/pm_qos.h +++ linux/include/linux/pm_qos.h @@ -39,7 +39,9 @@ struct pm_qos_flags_request { }; struct dev_pm_qos_request { - struct plist_node node; + union { + struct plist_node pnode; + } data; struct device *dev; }; Index: linux/drivers/base/power/sysfs.c =================================================================== --- linux.orig/drivers/base/power/sysfs.c +++ linux/drivers/base/power/sysfs.c @@ -221,7 +221,7 @@ static DEVICE_ATTR(autosuspend_delay_ms, static ssize_t pm_qos_latency_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "%d\n", dev->power.pq_req->node.prio); + return sprintf(buf, "%d\n", dev->power.pq_req->data.pnode.prio); } static ssize_t pm_qos_latency_store(struct device *dev, Index: linux/drivers/base/power/qos.c =================================================================== --- linux.orig/drivers/base/power/qos.c +++ linux/drivers/base/power/qos.c @@ -90,7 +90,7 @@ static int apply_constraint(struct dev_p int ret, curr_value; ret = pm_qos_update_target(&req->dev->power.qos->latency, - &req->node, action, value); + &req->data.pnode, action, value); if (ret) { /* Call the global callbacks if needed */ @@ -183,7 +183,7 @@ void dev_pm_qos_constraints_destroy(stru c = &qos->latency; /* Flush the constraints list for the device */ - plist_for_each_entry_safe(req, tmp, &c->list, node) { + plist_for_each_entry_safe(req, tmp, &c->list, data.pnode) { /* * Update constraints list and call the notification * callbacks if needed @@ -293,7 +293,7 @@ int dev_pm_qos_update_request(struct dev mutex_lock(&dev_pm_qos_mtx); if (req->dev->power.qos) { - if (new_value != req->node.prio) + if (new_value != req->data.pnode.prio) ret = apply_constraint(req, PM_QOS_UPDATE_REQ, new_value); } else {