X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=include%2Flinux%2Fwatchdog.h;h=99660197a36cb44099d9a96c4173a5b712e4af8b;hb=d6498af58f5c7fb7b252f4791620fe4dd7213ca3;hp=9b19e6bb68b501c92644e49cd5f515ae5f1cf231;hpb=4b4193256c8d3bc3a5397b5cd9494c2ad386317d;p=linux-2.6-microblaze.git

diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h
index 9b19e6bb68b5..99660197a36c 100644
--- a/include/linux/watchdog.h
+++ b/include/linux/watchdog.h
@@ -107,6 +107,7 @@ struct watchdog_device {
 	unsigned int max_hw_heartbeat_ms;
 	struct notifier_block reboot_nb;
 	struct notifier_block restart_nb;
+	struct notifier_block pm_nb;
 	void *driver_data;
 	struct watchdog_core_data *wd_data;
 	unsigned long status;
@@ -116,6 +117,7 @@ struct watchdog_device {
 #define WDOG_STOP_ON_REBOOT	2	/* Should be stopped on reboot */
 #define WDOG_HW_RUNNING		3	/* True if HW watchdog running */
 #define WDOG_STOP_ON_UNREGISTER	4	/* Should be stopped on unregister */
+#define WDOG_NO_PING_ON_SUSPEND	5	/* Ping worker should be stopped on suspend */
 	struct list_head deferred;
 };
 
@@ -156,6 +158,12 @@ static inline void watchdog_stop_on_unregister(struct watchdog_device *wdd)
 	set_bit(WDOG_STOP_ON_UNREGISTER, &wdd->status);
 }
 
+/* Use the following function to stop the wdog ping worker when suspending */
+static inline void watchdog_stop_ping_on_suspend(struct watchdog_device *wdd)
+{
+	set_bit(WDOG_NO_PING_ON_SUSPEND, &wdd->status);
+}
+
 /* Use the following function to check if a timeout value is invalid */
 static inline bool watchdog_timeout_invalid(struct watchdog_device *wdd, unsigned int t)
 {
@@ -209,6 +217,8 @@ extern int watchdog_init_timeout(struct watchdog_device *wdd,
 				  unsigned int timeout_parm, struct device *dev);
 extern int watchdog_register_device(struct watchdog_device *);
 extern void watchdog_unregister_device(struct watchdog_device *);
+int watchdog_dev_suspend(struct watchdog_device *wdd);
+int watchdog_dev_resume(struct watchdog_device *wdd);
 
 int watchdog_set_last_hw_keepalive(struct watchdog_device *, unsigned int);