nano_work: Add nano_work_init

Change-Id: I2e54e3e6ad048ff0d85cbef83e415ad436ecf720
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

include/misc/nano_work.h

@@ -53,6 +53,15 @@ struct nano_work {
 	work_handler_t handler;
 };
 
+/**
+ * @brief Initialize work item
+ */
+static inline void nano_work_init(struct nano_work *work,
+				  work_handler_t handler)
+{
+	work->handler = handler;
+}
+
 /**
  * @brief Submit a work item to a workqueue.
  */

tests/kernel/test_nano_work/src/main.c

@@ -62,7 +62,7 @@ static void test_items_init(void)
 
 	for (i = 0; i < NUM_TEST_ITEMS; i++) {
 		tests[i].key = i + 1;
-		tests[i].work.handler = work_handler;
+		nano_work_init(&tests[i].work, work_handler);
 	}
 }