diff --git a/drivers/firewire/core-iso.c b/drivers/firewire/core-iso.c
index 051327a951b1955ad017c70d5d1fdba145c95b0b..35e784cffc23d3df4779f9d5c83b4b67225ff70a 100644
--- a/drivers/firewire/core-iso.c
+++ b/drivers/firewire/core-iso.c
@@ -337,9 +337,16 @@ static void deallocate_channel(struct fw_card *card, int irm_id,
 
 /**
  * fw_iso_resource_manage() - Allocate or deallocate a channel and/or bandwidth
+ * @card: card interface for this action
+ * @generation: bus generation
+ * @channels_mask: bitmask for channel allocation
+ * @channel: pointer for returning channel allocation result
+ * @bandwidth: pointer for returning bandwidth allocation result
+ * @allocate: whether to allocate (true) or deallocate (false)
  *
  * In parameters: card, generation, channels_mask, bandwidth, allocate
  * Out parameters: channel, bandwidth
+ *
  * This function blocks (sleeps) during communication with the IRM.
  *
  * Allocates or deallocates at most one channel out of channels_mask.