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Diffstat (limited to 'kernel/power/power.h')
-rw-r--r--kernel/power/power.h34
1 files changed, 28 insertions, 6 deletions
diff --git a/kernel/power/power.h b/kernel/power/power.h
index 21724eee5206..b0bd4beaebfe 100644
--- a/kernel/power/power.h
+++ b/kernel/power/power.h
@@ -177,13 +177,11 @@ extern const char *const pm_states[];
extern bool valid_state(suspend_state_t state);
extern int suspend_devices_and_enter(suspend_state_t state);
-extern int enter_state(suspend_state_t state);
#else /* !CONFIG_SUSPEND */
static inline int suspend_devices_and_enter(suspend_state_t state)
{
return -ENOSYS;
}
-static inline int enter_state(suspend_state_t state) { return -ENOSYS; }
static inline bool valid_state(suspend_state_t state) { return false; }
#endif /* !CONFIG_SUSPEND */
@@ -234,16 +232,14 @@ static inline int suspend_freeze_processes(void)
int error;
error = freeze_processes();
-
/*
* freeze_processes() automatically thaws every task if freezing
* fails. So we need not do anything extra upon error.
*/
if (error)
- goto Finish;
+ return error;
error = freeze_kernel_threads();
-
/*
* freeze_kernel_threads() thaws only kernel threads upon freezing
* failure. So we have to thaw the userspace tasks ourselves.
@@ -251,7 +247,6 @@ static inline int suspend_freeze_processes(void)
if (error)
thaw_processes();
- Finish:
return error;
}
@@ -269,3 +264,30 @@ static inline void suspend_thaw_processes(void)
{
}
#endif
+
+#ifdef CONFIG_PM_AUTOSLEEP
+
+/* kernel/power/autosleep.c */
+extern int pm_autosleep_init(void);
+extern int pm_autosleep_lock(void);
+extern void pm_autosleep_unlock(void);
+extern suspend_state_t pm_autosleep_state(void);
+extern int pm_autosleep_set_state(suspend_state_t state);
+
+#else /* !CONFIG_PM_AUTOSLEEP */
+
+static inline int pm_autosleep_init(void) { return 0; }
+static inline int pm_autosleep_lock(void) { return 0; }
+static inline void pm_autosleep_unlock(void) {}
+static inline suspend_state_t pm_autosleep_state(void) { return PM_SUSPEND_ON; }
+
+#endif /* !CONFIG_PM_AUTOSLEEP */
+
+#ifdef CONFIG_PM_WAKELOCKS
+
+/* kernel/power/wakelock.c */
+extern ssize_t pm_show_wakelocks(char *buf, bool show_active);
+extern int pm_wake_lock(const char *buf);
+extern int pm_wake_unlock(const char *buf);
+
+#endif /* !CONFIG_PM_WAKELOCKS */