---

yaml
---
r: 135623
b: refs/heads/master
c: 56e25e9
h: refs/heads/master
i:
  135621: 3047180
  135619: cd34f4d
  135615: 5f99bbe
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0cc110651bed4612074eeb445a23418a5ee34cd0
+refs/heads/master: 56e25e9777bf15365293e27a3256eb9214a11edf

trunk/drivers/s390/cio/css.c

@@ -533,17 +533,30 @@ static int reprobe_subchannel(struct subchannel_id schid, void *data)
 	return ret;
 }
 
+static void reprobe_after_idle(struct work_struct *unused)
+{
+	/* Make sure initial subchannel scan is done. */
+	wait_event(ccw_device_init_wq,
+		   atomic_read(&ccw_device_init_count) == 0);
+	if (need_reprobe)
+		css_schedule_reprobe();
+}
+
+static DECLARE_WORK(reprobe_idle_work, reprobe_after_idle);
+
 /* Work function used to reprobe all unregistered subchannels. */
 static void reprobe_all(struct work_struct *unused)
 {
 	int ret;
 
 	CIO_MSG_EVENT(4, "reprobe start\n");
 
-	need_reprobe = 0;
 	/* Make sure initial subchannel scan is done. */
-	wait_event(ccw_device_init_wq,
-		   atomic_read(&ccw_device_init_count) == 0);
+	if (atomic_read(&ccw_device_init_count) != 0) {
+		queue_work(ccw_device_work, &reprobe_idle_work);
+		return;
+	}
+	need_reprobe = 0;
 	ret = for_each_subchannel_staged(NULL, reprobe_subchannel, NULL);
 
 	CIO_MSG_EVENT(4, "reprobe done (rc=%d, need_reprobe=%d)\n", ret,