Prune struct am_ao::init_event pointer as unused

Author: adel-mamin

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [0-based versioning](https://0ver.org/).
 
 ## [Unreleased]
 
+### Changed
+
+- Prune `struct am_ao::init_event` pointer as unused.
+
 ### Added
 
 - Watchdog example

libs/ao/ao.h

@@ -101,8 +101,6 @@ struct am_ao {
     struct am_event_queue event_queue; /**< event queue */
     int last_event;                    /**< last processed event */
     int task_id;                       /**< task handle */
-    /** initial user event - the parameter of am_ao_start() API */
-    const struct am_event *init_event;
     /** AO priority */
     struct am_ao_prio prio;
     /** safety net to catch missing am_ao_ctor() call */

libs/ao/cooperative/port.c

@@ -128,15 +128,14 @@ void am_ao_start(
     ao->prio = prio;
     ao->name = name;
     ao->task_id = am_pal_task_get_own_id();
-    ao->init_event = init_event;
 
     struct am_ao_state *me = &am_ao_state_;
     AM_ASSERT(NULL == me->aos[prio.ao]);
     me->aos[prio.ao] = ao;
     ++me->aos_cnt;
 
     me->running_ao_prio = prio;
-    am_hsm_init(&ao->hsm, ao->init_event);
+    am_hsm_init(&ao->hsm, init_event);
     me->running_ao_prio = AM_AO_PRIO_INVALID;
 }
 

libs/ao/preemptive/port.c

@@ -105,7 +105,6 @@ void am_ao_start(
 
     ao->prio = prio;
     ao->name = name;
-    ao->init_event = init_event;
 
     struct am_ao_state *me = &am_ao_state_;
     AM_ASSERT(NULL == me->aos[prio.ao]);