--- zzzz-none-000/linux-3.10.107/drivers/s390/cio/idset.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/s390/cio/idset.c	2021-02-04 17:41:59.000000000 +0000
@@ -38,11 +38,6 @@
 	vfree(set);
 }
 
-void idset_clear(struct idset *set)
-{
-	memset(set->bitmap, 0, bitmap_size(set->num_ssid, set->num_id));
-}
-
 void idset_fill(struct idset *set)
 {
 	memset(set->bitmap, 0xff, bitmap_size(set->num_ssid, set->num_id));
@@ -103,21 +98,6 @@
 	return idset_contains(set, schid.ssid, schid.sch_no);
 }
 
-int idset_sch_get_first(struct idset *set, struct subchannel_id *schid)
-{
-	int ssid = 0;
-	int id = 0;
-	int rc;
-
-	rc = idset_get_first(set, &ssid, &id);
-	if (rc) {
-		init_subchannel_id(schid);
-		schid->ssid = ssid;
-		schid->sch_no = id;
-	}
-	return rc;
-}
-
 int idset_is_empty(struct idset *set)
 {
 	return bitmap_empty(set->bitmap, set->num_ssid * set->num_id);