aboutsummaryrefslogtreecommitdiff
path: root/include/linux
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/freezer.h6
-rw-r--r--include/linux/pm.h15
-rw-r--r--include/linux/suspend.h10
3 files changed, 19 insertions, 12 deletions
diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index c8e02de737f..efded00ad08 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -5,7 +5,7 @@
#include <linux/sched.h>
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
/*
* Check if a process has been frozen
*/
@@ -126,7 +126,7 @@ static inline void set_freezable(void)
current->flags &= ~PF_NOFREEZE;
}
-#else
+#else /* !CONFIG_PM_SLEEP */
static inline int frozen(struct task_struct *p) { return 0; }
static inline int freezing(struct task_struct *p) { return 0; }
static inline void set_freeze_flag(struct task_struct *p) {}
@@ -143,6 +143,6 @@ static inline void freezer_do_not_count(void) {}
static inline void freezer_count(void) {}
static inline int freezer_should_skip(struct task_struct *p) { return 0; }
static inline void set_freezable(void) {}
-#endif
+#endif /* !CONFIG_PM_SLEEP */
#endif /* FREEZER_H_INCLUDED */
diff --git a/include/linux/pm.h b/include/linux/pm.h
index ad3cc2eb0d3..e52f6f83c06 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -165,6 +165,7 @@ struct pm_ops {
int (*finish)(suspend_state_t state);
};
+#ifdef CONFIG_SUSPEND
extern struct pm_ops *pm_ops;
/**
@@ -193,6 +194,12 @@ extern void arch_suspend_disable_irqs(void);
extern void arch_suspend_enable_irqs(void);
extern int pm_suspend(suspend_state_t state);
+#else /* !CONFIG_SUSPEND */
+#define suspend_valid_only_mem NULL
+
+static inline void pm_set_ops(struct pm_ops *pm_ops) {}
+static inline int pm_suspend(suspend_state_t state) { return -ENOSYS; }
+#endif /* !CONFIG_SUSPEND */
/*
* Device power management
@@ -266,7 +273,7 @@ typedef struct pm_message {
struct dev_pm_info {
pm_message_t power_state;
unsigned can_wakeup:1;
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
unsigned should_wakeup:1;
struct list_head entry;
#endif
@@ -276,7 +283,7 @@ extern int device_power_down(pm_message_t state);
extern void device_power_up(void);
extern void device_resume(void);
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
extern int device_suspend(pm_message_t state);
extern int device_prepare_suspend(pm_message_t state);
@@ -306,7 +313,7 @@ static inline int call_platform_enable_wakeup(struct device *dev, int is_on)
return 0;
}
-#else /* !CONFIG_PM */
+#else /* !CONFIG_PM_SLEEP */
static inline int device_suspend(pm_message_t state)
{
@@ -323,7 +330,7 @@ static inline int call_platform_enable_wakeup(struct device *dev, int is_on)
return 0;
}
-#endif
+#endif /* !CONFIG_PM_SLEEP */
/* changes to device_may_wakeup take effect on the next pm state change.
* by default, devices should wakeup if they can.
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index d16c1b85d51..388cace9751 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -24,7 +24,7 @@ struct pbe {
extern void drain_local_pages(void);
extern void mark_free_pages(struct zone *zone);
-#if defined(CONFIG_PM) && defined(CONFIG_VT) && defined(CONFIG_VT_CONSOLE)
+#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_VT) && defined(CONFIG_VT_CONSOLE)
extern int pm_prepare_console(void);
extern void pm_restore_console(void);
#else
@@ -54,7 +54,6 @@ struct hibernation_ops {
void (*restore_cleanup)(void);
};
-#ifdef CONFIG_PM
#ifdef CONFIG_HIBERNATION
/* kernel/power/snapshot.c */
extern void __register_nosave_region(unsigned long b, unsigned long e, int km);
@@ -82,6 +81,7 @@ static inline void hibernation_set_ops(struct hibernation_ops *ops) {}
static inline int hibernate(void) { return -ENOSYS; }
#endif /* CONFIG_HIBERNATION */
+#ifdef CONFIG_PM_SLEEP
void save_processor_state(void);
void restore_processor_state(void);
struct saved_context;
@@ -106,7 +106,7 @@ static inline int unregister_pm_notifier(struct notifier_block *nb)
{ .notifier_call = fn, .priority = pri }; \
register_pm_notifier(&fn##_nb); \
}
-#else /* CONFIG_PM */
+#else /* !CONFIG_PM_SLEEP */
static inline int register_pm_notifier(struct notifier_block *nb)
{
@@ -119,9 +119,9 @@ static inline int unregister_pm_notifier(struct notifier_block *nb)
}
#define pm_notifier(fn, pri) do { (void)(fn); } while (0)
-#endif /* CONFIG_PM */
+#endif /* !CONFIG_PM_SLEEP */
-#if !defined CONFIG_HIBERNATION || !defined(CONFIG_PM)
+#ifndef CONFIG_HIBERNATION
static inline void register_nosave_region(unsigned long b, unsigned long e)
{
}