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-rw-r--r--sys/kern/subr_bus.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/sys/kern/subr_bus.c b/sys/kern/subr_bus.c
index 44dcd47..2338e60 100644
--- a/sys/kern/subr_bus.c
+++ b/sys/kern/subr_bus.c
@@ -3800,6 +3800,40 @@ driver_module_handler(module_t mod, int what, void *arg)
return (error);
}
+/**
+ * @brief Enumerate all hinted devices for this bus.
+ *
+ * Walks throught he hints for this bus and calls the bus_hinted_child
+ * routine for each one it fines. It searches first for the specific
+ * bus that's being probed for hinted children (eg isa0), and then for
+ * generic children (eg isa).
+ *
+ * @param dev bus device to enumerate
+ */
+void
+bus_enumerate_hinted_children(device_t bus)
+{
+ int i;
+ const char *dname, *busname;
+ int dunit;
+
+ /*
+ * enumerate all devices on the specific bus
+ */
+ busname = device_get_nameunit(bus);
+ i = 0;
+ while (resource_find_match(&i, &dname, &dunit, "at", busname) == 0)
+ BUS_HINTED_CHILD(bus, dname, dunit);
+
+ /*
+ * and all the generic ones.
+ */
+ busname = device_get_name(bus);
+ i = 0;
+ while (resource_find_match(&i, &dname, &dunit, "at", busname) == 0)
+ BUS_HINTED_CHILD(bus, dname, dunit);
+}
+
#ifdef BUS_DEBUG
/* the _short versions avoid iteration by not calling anything that prints
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