Add resume support for serial consoles.

Tested by sthen@, ok deraadt@

diff --git a/sys/dev/ic/com.c b/sys/dev/ic/com.c
index 0cf3a35..5024189 100644 (file)
--- a/sys/dev/ic/com.c
+++ b/sys/dev/ic/com.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: com.c,v 1.143 2010/08/06 21:04:14 kettenis Exp $      */
+/*     $OpenBSD: com.c,v 1.144 2010/08/07 15:50:23 kettenis Exp $      */
 /*     $NetBSD: com.c,v 1.82.4.1 1996/06/02 09:08:00 mrg Exp $ */
 
 /*
@@ -574,8 +574,13 @@ com_resume(struct com_softc *sc)
        bus_space_handle_t ioh = sc->sc_ioh;
        int ospeed;
 
-       if (!tp || !ISSET(tp->t_state, TS_ISOPEN))
+       if (!tp || !ISSET(tp->t_state, TS_ISOPEN)) {
+#ifdef COM_CONSOLE
+               if (ISSET(sc->sc_hwflags, COM_HW_CONSOLE))
+                       cominit(iot, ioh, comconsrate, comconsfreq);
+#endif
                return;
+       }
 
        /*
         * Wake up the sleepy heads.