diff --git a/sys/dev/pci/pci.c b/sys/dev/pci/pci.c
index d8b134c6cf84..a1b295b6c64c 100644
--- a/sys/dev/pci/pci.c
+++ b/sys/dev/pci/pci.c
@@ -953,10 +953,14 @@ static void pci_rescan()
 **========================================================
 */
 
-int pci_register_lkm (struct pci_device *dvp)
+int pci_register_lkm (struct pci_device *dvp, int if_revision)
 {
 	struct pci_lkm *lkm;
 
+	if (if_version != 0) {
+		return -1;
+	}
+
 	if (!dvp || !dvp->pd_probe || !dvp->pd_attach) {
 		return -1;
 	}
diff --git a/sys/pci/pci.c b/sys/pci/pci.c
index d8b134c6cf84..a1b295b6c64c 100644
--- a/sys/pci/pci.c
+++ b/sys/pci/pci.c
@@ -953,10 +953,14 @@ static void pci_rescan()
 **========================================================
 */
 
-int pci_register_lkm (struct pci_device *dvp)
+int pci_register_lkm (struct pci_device *dvp, int if_revision)
 {
 	struct pci_lkm *lkm;
 
+	if (if_version != 0) {
+		return -1;
+	}
+
 	if (!dvp || !dvp->pd_probe || !dvp->pd_attach) {
 		return -1;
 	}
diff --git a/sys/pci/pcibus.h b/sys/pci/pcibus.h
index aa3c46a32ac1..3ff820577aa4 100644
--- a/sys/pci/pcibus.h
+++ b/sys/pci/pcibus.h
@@ -94,6 +94,6 @@ struct pcibus {
 
 extern struct linker_set pcibus_set;
 
-int pci_register_lkm (struct pci_device *dvp);
+int pci_register_lkm (struct pci_device *dvp, int if_revision);
 
 #endif