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-rw-r--r--kernel/power/power.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/kernel/power/power.h b/kernel/power/power.h
index 9080914..95fbf2d 100644
--- a/kernel/power/power.h
+++ b/kernel/power/power.h
@@ -176,9 +176,17 @@ struct timeval;
extern void swsusp_show_speed(struct timeval *, struct timeval *,
unsigned int, char *);
+#ifdef CONFIG_SUSPEND
/* kernel/power/main.c */
-extern int suspend_enter(suspend_state_t state);
extern int suspend_devices_and_enter(suspend_state_t state);
+#else /* !CONFIG_SUSPEND */
+static inline int suspend_devices_and_enter(suspend_state_t state)
+{
+ return -ENOSYS;
+}
+#endif /* !CONFIG_SUSPEND */
+
+/* kernel/power/common.c */
extern struct blocking_notifier_head pm_chain_head;
static inline int pm_notifier_call_chain(unsigned long val)
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