diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index a147871af09b..45fee12b9878 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -4466,7 +4466,7 @@ EXPORT_SYMBOL_GPL(regulator_unregister);
 #ifdef CONFIG_SUSPEND
 /**
  * regulator_suspend - prepare regulators for system wide suspend
- * @state: system suspend state
+ * @dev: ``&struct device`` pointer that is passed to _regulator_suspend()
  *
  * Configure each regulator with it's suspend operating parameters for state.
  */