1 files changed, 8 insertions, 8 deletions

diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 2769da54f2b9..511649115bd7 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -870,15 +870,10 @@ static int __init css_bus_init(void)
 
         /* Try to enable MSS. */
         ret = chsc_enable_facility(CHSC_SDA_OC_MSS);
-        switch (ret) {
-        case 0: /* Success. */
-                max_ssid = __MAX_SSID;
-                break;
-        case -ENOMEM:
-                goto out;
-        default:
+        if (ret)
                 max_ssid = 0;
-        }
+        else /* Success. */
+                max_ssid = __MAX_SSID;
 
         ret = slow_subchannel_init();
         if (ret)
@@ -1048,6 +1043,11 @@ static int __init channel_subsystem_init_sync(void)
 }
 subsys_initcall_sync(channel_subsystem_init_sync);
 
+void channel_subsystem_reinit(void)
+{
+        chsc_enable_facility(CHSC_SDA_OC_MSS);
+}
+
 #ifdef CONFIG_PROC_FS
 static ssize_t cio_settle_write(struct file *file, const char __user *buf,
                                 size_t count, loff_t *ppos)