From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751982AbaGVBHy (ORCPT ); Mon, 21 Jul 2014 21:07:54 -0400 Received: from v094114.home.net.pl ([79.96.170.134]:54366 "HELO v094114.home.net.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1750800AbaGVBHv (ORCPT ); Mon, 21 Jul 2014 21:07:51 -0400 From: "Rafael J. Wysocki" To: ACPI Devel Maling List Cc: Linux Kernel Mailing List , Linux PM list , Linux PCI , Zhang Rui , Peter Zijlstra Subject: [PATCH 1/3] PM: Create PM workqueue if runtime PM is not configured too Date: Tue, 22 Jul 2014 03:24:27 +0200 Message-ID: <1470749.z3A6zRcAYh@vostro.rjw.lan> User-Agent: KMail/4.11.5 (Linux/3.16.0-rc5+; KDE/4.11.5; x86_64; ; ) In-Reply-To: <9631666.En3K0jlGsY@vostro.rjw.lan> References: <1907495.agrCMfRsQN@vostro.rjw.lan> <9631666.En3K0jlGsY@vostro.rjw.lan> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Rafael J. Wysocki The PM workqueue is going to be used by ACPI PM notify handlers regardless of whether or not runtime PM is configured, so move it out of #ifdef CONFIG_PM_RUNTIME. Do that in three places in the ACPI device PM code. Signed-off-by: Rafael J. Wysocki --- include/linux/pm_runtime.h | 11 +++++++++-- kernel/power/main.c | 4 ---- 2 files changed, 9 insertions(+), 6 deletions(-) Index: linux-pm/include/linux/pm_runtime.h =================================================================== --- linux-pm.orig/include/linux/pm_runtime.h +++ linux-pm/include/linux/pm_runtime.h @@ -24,11 +24,20 @@ #define RPM_AUTO 0x08 /* Use autosuspend_delay */ #ifdef CONFIG_PM +extern struct workqueue_struct *pm_wq; + +static inline bool queue_pm_work(struct work_struct *work) +{ + return queue_work(pm_wq, work); +} + extern int pm_generic_runtime_suspend(struct device *dev); extern int pm_generic_runtime_resume(struct device *dev); extern int pm_runtime_force_suspend(struct device *dev); extern int pm_runtime_force_resume(struct device *dev); #else +static inline bool queue_pm_work(struct work_struct *work) { return false; } + static inline int pm_generic_runtime_suspend(struct device *dev) { return 0; } static inline int pm_generic_runtime_resume(struct device *dev) { return 0; } static inline int pm_runtime_force_suspend(struct device *dev) { return 0; } @@ -37,8 +46,6 @@ static inline int pm_runtime_force_resum #ifdef CONFIG_PM_RUNTIME -extern struct workqueue_struct *pm_wq; - extern int __pm_runtime_idle(struct device *dev, int rpmflags); extern int __pm_runtime_suspend(struct device *dev, int rpmflags); extern int __pm_runtime_resume(struct device *dev, int rpmflags); Index: linux-pm/kernel/power/main.c =================================================================== --- linux-pm.orig/kernel/power/main.c +++ linux-pm/kernel/power/main.c @@ -616,7 +616,6 @@ static struct attribute_group attr_group .attrs = g, }; -#ifdef CONFIG_PM_RUNTIME struct workqueue_struct *pm_wq; EXPORT_SYMBOL_GPL(pm_wq); @@ -626,9 +625,6 @@ static int __init pm_start_workqueue(voi return pm_wq ? 0 : -ENOMEM; } -#else -static inline int pm_start_workqueue(void) { return 0; } -#endif static int __init pm_init(void) {