diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 309629e03baea44a940235b4e5ebd5e691234764..b1c0c707d96ccc6e713042b1d67167609199c723 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -421,7 +421,11 @@ int __pci_register_driver(struct pci_driver *drv, struct module *owner)
 	drv->driver.bus = &pci_bus_type;
 	drv->driver.owner = owner;
 	drv->driver.kobj.ktype = &pci_driver_kobj_type;
-	drv->driver.multithread_probe = pci_multithread_probe;
+
+	if (pci_multithread_probe)
+		drv->driver.multithread_probe = pci_multithread_probe;
+	else
+		drv->driver.multithread_probe = drv->multithread_probe;
 
 	spin_lock_init(&drv->dynids.lock);
 	INIT_LIST_HEAD(&drv->dynids.list);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index c9bb7bee52c73dc33736f8eaec148b4d1e50ed5a..549d8410974b6e09dd25642d85fdb6f55e22db7e 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -356,6 +356,8 @@ struct pci_driver {
 	struct pci_error_handlers *err_handler;
 	struct device_driver	driver;
 	struct pci_dynids dynids;
+
+	int multithread_probe;
 };
 
 #define	to_pci_driver(drv) container_of(drv,struct pci_driver, driver)