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-rw-r--r--sys/dev/puc/puc_sbus.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/dev/puc/puc_sbus.c b/sys/dev/puc/puc_sbus.c
index 47a2fb41303a9..3d2e7d67a81a8 100644
--- a/sys/dev/puc/puc_sbus.c
+++ b/sys/dev/puc/puc_sbus.c
@@ -51,7 +51,7 @@ puc_sbus_probe(device_t dev)
const char *nm;
nm = ofw_bus_get_name(dev);
- if (!strcmp(nm, "zs")) {
+ if (!strcmp(nm, "zs") && device_get_unit(dev) == 0) {
device_set_desc(dev, "Zilog Z8530 dual channel SCC");
return (0);
}