extern acpi_status pci_osc_control_set(acpi_handle handle, u32 flags);
extern acpi_status pci_osc_support_set(u32 flags);
#else
-#if !defined(acpi_status)
+#if !defined(AE_ERROR)
typedef u32 acpi_status;
#define AE_ERROR (acpi_status) (0x0001)
#endif