diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index cb65d0360e31..039b889ea053 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -344,6 +344,7 @@ EXPORT_SYMBOL_GPL(irq_free_descs);
  * @from:	Start the search from this irq number
  * @cnt:	Number of consecutive irqs to allocate.
  * @node:	Preferred node on which the irq descriptor should be allocated
+ * @owner:	Owning module (can be NULL)
  *
  * Returns the first irq number or error code
  */