1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 77f9c92df4b9..2905d8b0ec95 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -602,6 +602,7 @@ void __init init_cio_interrupts(void)
 
 #ifdef CONFIG_CCW_CONSOLE
 static struct subchannel *console_sch;
+static struct lock_class_key console_sch_key;
 
 /*
  * Use cio_tsch to update the subchannel status and call the interrupt handler
@@ -686,6 +687,7 @@ struct subchannel *cio_probe_console(void)
         if (IS_ERR(sch))
                 return sch;
 
+        lockdep_set_class(sch->lock, &console_sch_key);
         isc_register(CONSOLE_ISC);
         sch->config.isc = CONSOLE_ISC;
         sch->config.intparm = (u32)(addr_t)sch;