1 files changed, 25 insertions, 0 deletions
diff --git a/include/initcall.h b/include/initcall.h
index 01f3f2833f1..62d3bb67f08 100644
--- a/include/initcall.h
+++ b/include/initcall.h
@@ -6,8 +6,33 @@
 #ifndef __INITCALL_H
 #define __INITCALL_H
 
+#include <asm/types.h>
+#include <event.h>
+
+_Static_assert(EVT_COUNT < 256, "Can only support 256 event types with 8 bits");
+
+/**
+ * init_fnc_t - Init function
+ *
+ * Return: 0 if OK -ve on error
+ */
 typedef int (*init_fnc_t)(void);
 
+/* Top bit indicates that the initcall is an event */
+#define INITCALL_IS_EVENT	GENMASK(BITS_PER_LONG - 1, 8)
+#define INITCALL_EVENT_TYPE	GENMASK(7, 0)
+
+#define INITCALL_EVENT(_type)	(void *)((_type) | INITCALL_IS_EVENT)
+
+/**
+ * initcall_run_list() - Run through a list of function calls
+ *
+ * This calls functions one after the other, stopping at the first error, or
+ * when NULL is obtained.
+ *
+ * @init_sequence: NULL-terminated init sequence to run
+ * Return: 0 if OK, or -ve error code from the first failure
+ */
 int initcall_run_list(const init_fnc_t init_sequence[]);
 
 #endif