diff --git a/sys/compat/linuxkpi/common/include/linux/pci.h b/sys/compat/linuxkpi/common/include/linux/pci.h
--- a/sys/compat/linuxkpi/common/include/linux/pci.h
+++ b/sys/compat/linuxkpi/common/include/linux/pci.h
@@ -1370,6 +1370,12 @@
 	return (nwidth * PCIE_SPEED2MBS_ENC(nspeed));
 }
 
+static inline bool
+pcie_aspm_enabled(struct pci_dev *pdev)
+{
+	return (false);
+}
+
 static inline struct pci_dev *
 pcie_find_root_port(struct pci_dev *pdev)
 {