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Conditionally attach the MCA bus device.

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This commit is contained in:
mdodd 2003-06-13 00:43:57 +00:00
parent bdd65ff5ef
commit f7366986b7
1 changed files with 8 additions and 1 deletions
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9
sys/i386/i386/legacy.c
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@ -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)