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-rw-r--r--sys/pc98/cbus/sio.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/pc98/cbus/sio.c b/sys/pc98/cbus/sio.c
index 2d6cc63..51f4a45 100644
--- a/sys/pc98/cbus/sio.c
+++ b/sys/pc98/cbus/sio.c
@@ -706,6 +706,7 @@ sysctl_machdep_comdefaultrate(SYSCTL_HANDLER_ARGS)
SYSCTL_PROC(_machdep, OID_AUTO, conspeed, CTLTYPE_INT | CTLFLAG_RW,
0, 0, sysctl_machdep_comdefaultrate, "I", "");
+TUNABLE_INT("machdep.conspeed", __DEVOLATILE(int *, &comdefaultrate));
/*
* Unload the driver and clear the table.
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