Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763283AbYCSXOi (ORCPT ); Wed, 19 Mar 2008 19:14:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S937931AbYCSVkk (ORCPT ); Wed, 19 Mar 2008 17:40:40 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:58039 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S937922AbYCSVkf (ORCPT ); Wed, 19 Mar 2008 17:40:35 -0400 From: "Rafael J. Wysocki" To: Greg KH Subject: [PATCH 2/3] PM: Make wakeup flags available whenever CONFIG_PM is set (ver 2) Date: Wed, 19 Mar 2008 22:37:42 +0100 User-Agent: KMail/1.9.6 (enterprise 20070904.708012) Cc: Andrew Morton , Alan Stern , Linux-pm mailing list , Kernel development list , lenb@kernel.org References: <200803190315.m2J3FXnK029022@imap1.linux-foundation.org> <20080319185755.GA18464@kroah.com> <200803192233.55313.rjw@sisk.pl> In-Reply-To: <200803192233.55313.rjw@sisk.pl> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200803192237.43123.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4055 Lines: 129 From: Alan Stern The various wakeup flags and their accessor macros in struct dev_pm_info should be available whenever CONFIG_PM is enabled, not just when CONFIG_PM_SLEEP is on. Otherwise remote wakeup won't always be configurable for runtime power management. This patch (as1056b) fixes the oversight. [rjw: rebased] Signed-off-by: Alan Stern Signed-off-by: Rafael J. Wysocki --- drivers/base/power/main.c | 2 -- drivers/base/power/sysfs.c | 2 ++ include/linux/pm.h | 36 +++++++++++++++++++++--------------- 3 files changed, 23 insertions(+), 17 deletions(-) Index: linux-2.6/include/linux/pm.h =================================================================== --- linux-2.6.orig/include/linux/pm.h +++ linux-2.6/include/linux/pm.h @@ -183,9 +183,9 @@ typedef struct pm_message { struct dev_pm_info { pm_message_t power_state; unsigned can_wakeup:1; + unsigned should_wakeup:1; bool sleeping:1; /* Owned by the PM core */ #ifdef CONFIG_PM_SLEEP - unsigned should_wakeup:1; struct list_head entry; #endif }; @@ -198,11 +198,6 @@ extern void device_resume(void); extern int device_suspend(pm_message_t state); extern int device_prepare_suspend(pm_message_t state); -#define device_set_wakeup_enable(dev,val) \ - ((dev)->power.should_wakeup = !!(val)) -#define device_may_wakeup(dev) \ - (device_can_wakeup(dev) && (dev)->power.should_wakeup) - extern void __suspend_report_result(const char *function, void *fn, int ret); #define suspend_report_result(fn, ret) \ @@ -210,6 +205,24 @@ extern void __suspend_report_result(cons __suspend_report_result(__FUNCTION__, fn, ret); \ } while (0) +#else /* !CONFIG_PM_SLEEP */ + +static inline int device_suspend(pm_message_t state) +{ + return 0; +} + +#define suspend_report_result(fn, ret) do { } while (0) + +#endif /* !CONFIG_PM_SLEEP */ + +#ifdef CONFIG_PM + +#define device_set_wakeup_enable(dev,val) \ + ((dev)->power.should_wakeup = !!(val)) +#define device_may_wakeup(dev) \ + (device_can_wakeup(dev) && (dev)->power.should_wakeup) + /* * Platform hook to activate device wakeup capability, if that's not already * handled by enable_irq_wake() etc. @@ -224,24 +237,17 @@ static inline int call_platform_enable_w return 0; } -#else /* !CONFIG_PM_SLEEP */ - -static inline int device_suspend(pm_message_t state) -{ - return 0; -} +#else /* !CONFIG_PM */ #define device_set_wakeup_enable(dev,val) do{}while(0) #define device_may_wakeup(dev) (0) -#define suspend_report_result(fn, ret) do { } while (0) - static inline int call_platform_enable_wakeup(struct device *dev, int is_on) { return 0; } -#endif /* !CONFIG_PM_SLEEP */ +#endif /* !CONFIG_PM */ /* changes to device_may_wakeup take effect on the next pm state change. * by default, devices should wakeup if they can. Index: linux-2.6/drivers/base/power/main.c =================================================================== --- linux-2.6.orig/drivers/base/power/main.c +++ linux-2.6/drivers/base/power/main.c @@ -57,8 +57,6 @@ static DEFINE_MUTEX(dpm_list_mtx); /* 'true' if all devices have been suspended, protected by dpm_list_mtx */ static bool all_sleeping; -int (*platform_enable_wakeup)(struct device *dev, int is_on); - /** * device_pm_add - add a device to the list of active devices * @dev: Device to be added to the list Index: linux-2.6/drivers/base/power/sysfs.c =================================================================== --- linux-2.6.orig/drivers/base/power/sysfs.c +++ linux-2.6/drivers/base/power/sysfs.c @@ -6,6 +6,8 @@ #include #include "power.h" +int (*platform_enable_wakeup)(struct device *dev, int is_on); + /* * wakeup - Report/change current wakeup option for device -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/