From e5b69cb78e39e1043228664f5667e46f361af000 Mon Sep 17 00:00:00 2001
From: nwhitehorn <nwhitehorn@FreeBSD.org>
Date: Wed, 15 Oct 2008 03:38:03 +0000
Subject: Prevent the OF syscons module from trying to attach to real devices
 on the nexus by only attaching to a device with no OF node.

---
 sys/powerpc/ofw/ofw_syscons.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'sys/powerpc')

diff --git a/sys/powerpc/ofw/ofw_syscons.c b/sys/powerpc/ofw/ofw_syscons.c
index 99c5119..373ba11 100644
--- a/sys/powerpc/ofw/ofw_syscons.c
+++ b/sys/powerpc/ofw/ofw_syscons.c
@@ -51,6 +51,7 @@ __FBSDID("$FreeBSD$");
 #include <dev/syscons/syscons.h>
 
 #include <dev/ofw/openfirm.h>
+#include <dev/ofw/ofw_bus.h>
 #include <dev/ofw/ofw_pci.h>
 #include <powerpc/ofw/ofw_syscons.h>
 
@@ -845,6 +846,10 @@ ofwfb_scidentify(driver_t *driver, device_t parent)
 static int
 ofwfb_scprobe(device_t dev)
 {
+	/* This is a fake device, so make sure there is no OF node for it */
+	if (ofw_bus_get_node(dev) != -1)
+		return ENXIO;
+	
 	device_set_desc(dev, "System console");
 	return (sc_probe_unit(device_get_unit(dev), 
 	    device_get_flags(dev) | SC_AUTODETECT_KBD));
-- 
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