1 files changed, 17 insertions, 0 deletions
diff --git a/sys/isa/isa_common.c b/sys/isa/isa_common.c
index 3e36a52..4f84093 100644
--- a/sys/isa/isa_common.c
+++ b/sys/isa/isa_common.c
@@ -1117,3 +1117,20 @@ DRIVER_MODULE(isa, eisab, isa_driver, isa_devclass, 0, 0);
 DRIVER_MODULE(isa, legacy, isa_driver, isa_devclass, 0, 0);
 #endif
 MODULE_VERSION(isa, 1);
+
+/*
+ * Code common to ISA bridges.
+ */
+
+devclass_t isab_devclass;
+
+int
+isab_attach(device_t dev)
+{
+	device_t child;
+
+	child = device_add_child(dev, "isa", 0);
+	if (child != NULL)
+		return (bus_generic_attach(dev));
+	return (ENXIO);
+}