unified: Tweak msgq API parameters

 - Reorders parameters where necessary
 - Adds alignment parameter to K_MSGQ_DEFINE() for buffer alignment
 - Renames parameters where necessary so they are more intuitive

Change-Id: I0b53105c04109127897bf4790e6908082f82da4e
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/kernel/unified/msg_q.c b/kernel/unified/msg_q.c
index 4195041cd..a6776d599 100644
--- a/kernel/unified/msg_q.c
+++ b/kernel/unified/msg_q.c
@@ -33,14 +33,14 @@
  * @brief Initialize a message queue.
  *
  * @param q Pointer to the message queue object.
+ * @param buffer Pointer to memory area that holds queued messages.
  * @param msg_size Message size, in bytes.
  * @param max_msgs Maximum number of messages that can be queued.
- * @param buffer Pointer to memory area that holds queued messages.
  *
  * @return N/A
  */
-void k_msgq_init(struct k_msgq *q, uint32_t msg_size, uint32_t max_msgs,
-		 char *buffer)
+void k_msgq_init(struct k_msgq *q, char *buffer,
+		 uint32_t msg_size, uint32_t max_msgs)
 {
 	q->msg_size = msg_size;
 	q->max_msgs = max_msgs;