Xen save/restore depends on CONFIG_PM_SLEEP being set for device_power_up/down.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 /* Ignore multiple shutdown requests. */
 static enum shutdown_state shutting_down = SHUTDOWN_INVALID;
 
+#ifdef CONFIG_PM_SLEEP
 static int xen_suspend(void *data)
 {
        int *cancelled = data;
 #endif
        shutting_down = SHUTDOWN_INVALID;
 }
+#endif /* CONFIG_PM_SLEEP */
 
 static void shutdown_handler(struct xenbus_watch *watch,
                             const char **vec, unsigned int len)