diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 339812efe822..d09e08b71cfb 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -1865,15 +1865,18 @@ static inline void ap_scan_domains(struct ap_card *ac)
 			}
 			/* get it and thus adjust reference counter */
 			get_device(dev);
-			if (decfg)
+			if (decfg) {
 				AP_DBF_INFO("%s(%d,%d) new (decfg) queue dev created\n",
 					    __func__, ac->id, dom);
-			else if (chkstop)
+			} else if (chkstop) {
 				AP_DBF_INFO("%s(%d,%d) new (chkstop) queue dev created\n",
 					    __func__, ac->id, dom);
-			else
+			} else {
+				/* nudge the queue's state machine */
+				ap_queue_init_state(aq);
 				AP_DBF_INFO("%s(%d,%d) new queue dev created\n",
 					    __func__, ac->id, dom);
+			}
 			goto put_dev_and_continue;
 		}
 		/* handle state changes on already existing queue device */
@@ -1895,10 +1898,8 @@ static inline void ap_scan_domains(struct ap_card *ac)
 		} else if (!chkstop && aq->chkstop) {
 			/* checkstop off */
 			aq->chkstop = false;
-			if (aq->dev_state > AP_DEV_STATE_UNINITIATED) {
-				aq->dev_state = AP_DEV_STATE_OPERATING;
-				aq->sm_state = AP_SM_STATE_RESET_START;
-			}
+			if (aq->dev_state > AP_DEV_STATE_UNINITIATED)
+				_ap_queue_init_state(aq);
 			spin_unlock_bh(&aq->lock);
 			AP_DBF_DBG("%s(%d,%d) queue dev checkstop off\n",
 				   __func__, ac->id, dom);
@@ -1922,10 +1923,8 @@ static inline void ap_scan_domains(struct ap_card *ac)
 		} else if (!decfg && !aq->config) {
 			/* config on this queue device */
 			aq->config = true;
-			if (aq->dev_state > AP_DEV_STATE_UNINITIATED) {
-				aq->dev_state = AP_DEV_STATE_OPERATING;
-				aq->sm_state = AP_SM_STATE_RESET_START;
-			}
+			if (aq->dev_state > AP_DEV_STATE_UNINITIATED)
+				_ap_queue_init_state(aq);
 			spin_unlock_bh(&aq->lock);
 			AP_DBF_DBG("%s(%d,%d) queue dev config on\n",
 				   __func__, ac->id, dom);
diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h
index be54b070c031..3e34912a6050 100644
--- a/drivers/s390/crypto/ap_bus.h
+++ b/drivers/s390/crypto/ap_bus.h
@@ -287,6 +287,7 @@ struct ap_queue *ap_queue_create(ap_qid_t qid, int device_type);
 void ap_queue_prepare_remove(struct ap_queue *aq);
 void ap_queue_remove(struct ap_queue *aq);
 void ap_queue_init_state(struct ap_queue *aq);
+void _ap_queue_init_state(struct ap_queue *aq);
 
 struct ap_card *ap_card_create(int id, int queue_depth, int raw_type,
 			       int comp_type, unsigned int functions, int ml);
diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c
index 1336e632adc4..2943b2529d3a 100644
--- a/drivers/s390/crypto/ap_queue.c
+++ b/drivers/s390/crypto/ap_queue.c
@@ -1160,14 +1160,19 @@ void ap_queue_remove(struct ap_queue *aq)
 	spin_unlock_bh(&aq->lock);
 }
 
-void ap_queue_init_state(struct ap_queue *aq)
+void _ap_queue_init_state(struct ap_queue *aq)
 {
-	spin_lock_bh(&aq->lock);
 	aq->dev_state = AP_DEV_STATE_OPERATING;
 	aq->sm_state = AP_SM_STATE_RESET_START;
 	aq->last_err_rc = 0;
 	aq->assoc_idx = ASSOC_IDX_INVALID;
 	ap_wait(ap_sm_event(aq, AP_SM_EVENT_POLL));
+}
+
+void ap_queue_init_state(struct ap_queue *aq)
+{
+	spin_lock_bh(&aq->lock);
+	_ap_queue_init_state(aq);
 	spin_unlock_bh(&aq->lock);
 }
 EXPORT_SYMBOL(ap_queue_init_state);