char: remove explicit_be_open from CharDriverState

It's only used in qmp_chardev_add(), so use a create() argument instead.

Also switched to typedef functions for CharDriverParse/CharDriverCreate.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20161022100951.19562-7-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/ui/console.c b/ui/console.c
index f490346..ed888e5 100644
--- a/ui/console.c
+++ b/ui/console.c
@@ -2079,10 +2079,6 @@
     s->chr = chr;
     chr->opaque = s;
     chr->chr_set_echo = text_console_set_echo;
-    /* console/chardev init sometimes completes elsewhere in a 2nd
-     * stage, so defer OPENED events until they are fully initialized
-     */
-    chr->explicit_be_open = true;
 
     if (display_state) {
         text_console_do_init(chr, display_state);
@@ -2093,8 +2089,13 @@
 static VcHandler *vc_handler = text_console_init;
 
 static CharDriverState *vc_init(const char *id, ChardevBackend *backend,
-                                ChardevReturn *ret, Error **errp)
+                                ChardevReturn *ret, bool *be_opened,
+                                Error **errp)
 {
+    /* console/chardev init sometimes completes elsewhere in a 2nd
+     * stage, so defer OPENED events until they are fully initialized
+     */
+    *be_opened = false;
     return vc_handler(backend->u.vc.data, errp);
 }