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-rw-r--r--sys/i386/i386/legacy.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/sys/i386/i386/legacy.c b/sys/i386/i386/legacy.c
index d4b9dda1..7d72f4f 100644
--- a/sys/i386/i386/legacy.c
+++ b/sys/i386/i386/legacy.c
@@ -44,6 +44,11 @@ __FBSDID("$FreeBSD$");
#include <machine/bus.h>
#include <sys/rman.h>
+#include "opt_mca.h"
+#ifdef DEV_MCA
+#include <i386/bios/mca_machdep.h>
+#endif
+
#include <machine/legacyvar.h>
#include <machine/resource.h>
@@ -159,12 +164,14 @@ legacy_attach(device_t dev)
panic("legacy_attach eisa");
device_probe_and_attach(child);
}
- if (!devclass_get_device(devclass_find("mca"), 0)) {
+#ifdef DEV_MCA
+ if (MCA_system && !devclass_get_device(devclass_find("mca"), 0)) {
child = BUS_ADD_CHILD(dev, 0, "mca", 0);
if (child == 0)
panic("legacy_probe mca");
device_probe_and_attach(child);
}
+#endif
if (!devclass_get_device(devclass_find("isa"), 0)) {
child = BUS_ADD_CHILD(dev, 0, "isa", 0);
if (child == NULL)
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