diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 7c43bdc..236e476 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1687,6 +1687,7 @@
 
 	acpi_power_init();
 	acpi_pci_root_init();
+	acpi_pci_slot_init();
 
 	/*
 	 * Enumerate devices in the ACPI namespace.