diff --git a/drivers/remoteproc/qcom_sysmon.c b/drivers/remoteproc/qcom_sysmon.c
index 9eb2f6bccea6300293b96fbc4c9ca42fa5505771..b37b111b15b39e21684a7e7544cfcb2a767a6642 100644
--- a/drivers/remoteproc/qcom_sysmon.c
+++ b/drivers/remoteproc/qcom_sysmon.c
@@ -22,6 +22,9 @@ struct qcom_sysmon {
 	struct rproc_subdev subdev;
 	struct rproc *rproc;
 
+	int state;
+	struct mutex state_lock;
+
 	struct list_head node;
 
 	const char *name;
@@ -448,7 +451,10 @@ static int sysmon_prepare(struct rproc_subdev *subdev)
 		.ssr_event = SSCTL_SSR_EVENT_BEFORE_POWERUP
 	};
 
+	mutex_lock(&sysmon->state_lock);
+	sysmon->state = SSCTL_SSR_EVENT_BEFORE_POWERUP;
 	blocking_notifier_call_chain(&sysmon_notifiers, 0, (void *)&event);
+	mutex_unlock(&sysmon->state_lock);
 
 	return 0;
 }
@@ -472,20 +478,25 @@ static int sysmon_start(struct rproc_subdev *subdev)
 		.ssr_event = SSCTL_SSR_EVENT_AFTER_POWERUP
 	};
 
+	mutex_lock(&sysmon->state_lock);
+	sysmon->state = SSCTL_SSR_EVENT_AFTER_POWERUP;
 	blocking_notifier_call_chain(&sysmon_notifiers, 0, (void *)&event);
+	mutex_unlock(&sysmon->state_lock);
 
 	mutex_lock(&sysmon_lock);
 	list_for_each_entry(target, &sysmon_list, node) {
-		if (target == sysmon ||
-		    target->rproc->state != RPROC_RUNNING)
+		if (target == sysmon)
 			continue;
 
+		mutex_lock(&target->state_lock);
 		event.subsys_name = target->name;
+		event.ssr_event = target->state;
 
 		if (sysmon->ssctl_version == 2)
 			ssctl_send_event(sysmon, &event);
 		else if (sysmon->ept)
 			sysmon_send_event(sysmon, &event);
+		mutex_unlock(&target->state_lock);
 	}
 	mutex_unlock(&sysmon_lock);
 
@@ -500,7 +511,10 @@ static void sysmon_stop(struct rproc_subdev *subdev, bool crashed)
 		.ssr_event = SSCTL_SSR_EVENT_BEFORE_SHUTDOWN
 	};
 
+	mutex_lock(&sysmon->state_lock);
+	sysmon->state = SSCTL_SSR_EVENT_BEFORE_SHUTDOWN;
 	blocking_notifier_call_chain(&sysmon_notifiers, 0, (void *)&event);
+	mutex_unlock(&sysmon->state_lock);
 
 	/* Don't request graceful shutdown if we've crashed */
 	if (crashed)
@@ -521,7 +535,10 @@ static void sysmon_unprepare(struct rproc_subdev *subdev)
 		.ssr_event = SSCTL_SSR_EVENT_AFTER_SHUTDOWN
 	};
 
+	mutex_lock(&sysmon->state_lock);
+	sysmon->state = SSCTL_SSR_EVENT_AFTER_SHUTDOWN;
 	blocking_notifier_call_chain(&sysmon_notifiers, 0, (void *)&event);
+	mutex_unlock(&sysmon->state_lock);
 }
 
 /**
@@ -534,11 +551,10 @@ static int sysmon_notify(struct notifier_block *nb, unsigned long event,
 			 void *data)
 {
 	struct qcom_sysmon *sysmon = container_of(nb, struct qcom_sysmon, nb);
-	struct rproc *rproc = sysmon->rproc;
 	struct sysmon_event *sysmon_event = data;
 
 	/* Skip non-running rprocs and the originating instance */
-	if (rproc->state != RPROC_RUNNING ||
+	if (sysmon->state != SSCTL_SSR_EVENT_AFTER_POWERUP ||
 	    !strcmp(sysmon_event->subsys_name, sysmon->name)) {
 		dev_dbg(sysmon->dev, "not notifying %s\n", sysmon->name);
 		return NOTIFY_DONE;
@@ -591,6 +607,7 @@ struct qcom_sysmon *qcom_add_sysmon_subdev(struct rproc *rproc,
 	init_completion(&sysmon->ind_comp);
 	init_completion(&sysmon->shutdown_comp);
 	mutex_init(&sysmon->lock);
+	mutex_init(&sysmon->state_lock);
 
 	sysmon->shutdown_irq = of_irq_get_byname(sysmon->dev->of_node,
 						 "shutdown-ack");