diff --git a/sys/arm/mv/mvebu_gpio.c b/sys/arm/mv/mvebu_gpio.c
--- a/sys/arm/mv/mvebu_gpio.c
+++ b/sys/arm/mv/mvebu_gpio.c
@@ -810,7 +810,6 @@
 		return (ENXIO);
 	}
 
-	bus_attach_children(dev);
 	return (0);
 }
 
diff --git a/sys/arm/nvidia/tegra_gpio.c b/sys/arm/nvidia/tegra_gpio.c
--- a/sys/arm/nvidia/tegra_gpio.c
+++ b/sys/arm/nvidia/tegra_gpio.c
@@ -824,7 +824,6 @@
 		return (ENXIO);
 	}
 
-	bus_attach_children(dev);
 	return (0);
 }