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-rw-r--r--drivers/base/class.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/base/class.c b/drivers/base/class.c
index 839d27cecb3..5667c2f02c5 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -198,6 +198,7 @@ static void class_create_release(struct class *cls)
* class_create - create a struct class structure
* @owner: pointer to the module that is to "own" this struct class
* @name: pointer to a string for the name of this class.
+ * @key: the lock_class_key for this class; used by mutex lock debugging
*
* This is used to create a struct class pointer that can then be used
* in calls to device_create().