diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 5e1235c..771576b 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -1030,7 +1030,16 @@
 
 void channel_subsystem_reinit(void)
 {
+	struct channel_path *chp;
+	struct chp_id chpid;
+
 	chsc_enable_facility(CHSC_SDA_OC_MSS);
+	chp_id_for_each(&chpid) {
+		chp = chpid_to_chp(chpid);
+		if (!chp)
+			continue;
+		chsc_determine_base_channel_path_desc(chpid, &chp->desc);
+	}
 }
 
 #ifdef CONFIG_PROC_FS