1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c
index dcb16b5cbec0..e5b1b60757bb 100644
--- a/drivers/input/serio/libps2.c
+++ b/drivers/input/serio/libps2.c
@@ -189,7 +189,7 @@ int ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command)
                 return -1;
         }
 
-        mutex_lock_nested(&ps2dev->cmd_mutex, SINGLE_DEPTH_NESTING);
+        mutex_lock(&ps2dev->cmd_mutex);
 
         serio_pause_rx(ps2dev->serio);
         ps2dev->flags = command == PS2_CMD_GETID ? PS2_FLAG_WAITID : 0;
@@ -296,6 +296,7 @@ EXPORT_SYMBOL(ps2_schedule_command);
 void ps2_init(struct ps2dev *ps2dev, struct serio *serio)
 {
         mutex_init(&ps2dev->cmd_mutex);
+        lockdep_set_subclass(&ps2dev->cmd_mutex, serio->depth);
         init_waitqueue_head(&ps2dev->wait);
         ps2dev->serio = serio;
 }