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Diffstat (limited to 'include/linux/pm.h')
-rw-r--r--include/linux/pm.h28
1 files changed, 13 insertions, 15 deletions
diff --git a/include/linux/pm.h b/include/linux/pm.h
index 273781c82e4d..48b71badfb4c 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -25,6 +25,7 @@
#include <linux/list.h>
#include <asm/atomic.h>
+#include <asm/errno.h>
/*
* Power management requests... these are passed to pm_send_all() and friends.
@@ -101,6 +102,7 @@ struct pm_dev
*/
extern void (*pm_idle)(void);
extern void (*pm_power_off)(void);
+extern void (*pm_power_off_prepare)(void);
typedef int __bitwise suspend_state_t;
@@ -164,6 +166,7 @@ struct pm_ops {
int (*finish)(suspend_state_t state);
};
+#ifdef CONFIG_SUSPEND
extern struct pm_ops *pm_ops;
/**
@@ -192,6 +195,12 @@ 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
@@ -265,7 +274,7 @@ 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
@@ -275,7 +284,7 @@ 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);
@@ -284,8 +293,6 @@ extern int device_prepare_suspend(pm_message_t state);
#define device_may_wakeup(dev) \
(device_can_wakeup(dev) && (dev)->power.should_wakeup)
-extern int dpm_runtime_suspend(struct device *, pm_message_t);
-extern void dpm_runtime_resume(struct device *);
extern void __suspend_report_result(const char *function, void *fn, int ret);
#define suspend_report_result(fn, ret) \
@@ -307,7 +314,7 @@ 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)
{
@@ -317,15 +324,6 @@ static inline int device_suspend(pm_message_t state)
#define device_set_wakeup_enable(dev,val) do{}while(0)
#define device_may_wakeup(dev) (0)
-static inline int dpm_runtime_suspend(struct device * dev, pm_message_t state)
-{
- return 0;
-}
-
-static inline void dpm_runtime_resume(struct device * dev)
-{
-}
-
#define suspend_report_result(fn, ret) do { } while (0)
static inline int call_platform_enable_wakeup(struct device *dev, int is_on)
@@ -333,7 +331,7 @@ 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.