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PM: Create PM workqueue if runtime PM is not configured too

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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 <rafael.j.wysocki@intel.com>
This commit is contained in:
Rafael J. Wysocki 2014-07-23 01:00:36 +02:00
parent 9a3c4145af
commit 28cb5ef16e
2 changed files with 9 additions and 6 deletions
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11
include/linux/pm_runtime.h
View File

@ -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_resume(struct device *dev) { return 0; }
#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);

4
kernel/power/main.c
View File

@ -615,7 +615,6 @@ static struct attribute_group attr_group = {
.attrs = g,
};
#ifdef CONFIG_PM_RUNTIME
struct workqueue_struct *pm_wq;
EXPORT_SYMBOL_GPL(pm_wq);
@ -625,9 +624,6 @@ static int __init pm_start_workqueue(void)
return pm_wq ? 0 : -ENOMEM;
}
#else
static inline int pm_start_workqueue(void) { return 0; }
#endif
static int __init pm_init(void)
{