diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index f4a2738..2b9ac9e 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1540,6 +1540,7 @@
 	int pm;
 	u16 pmc;
 
+	device_enable_async_suspend(&dev->dev);
 	dev->wakeup_prepared = false;
 	dev->pm_cap = 0;
 
diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index 0d34ff4..e73effb 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -285,6 +285,7 @@
 		     pci_name(pdev),
 		     get_descriptor_id(pdev->pcie_type, service));
 	device->parent = &pdev->dev;
+	device_enable_async_suspend(device);
 
 	retval = device_register(device);
 	if (retval)
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 270d069..2a94309 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1436,6 +1436,7 @@
 	if (error)
 		goto dev_reg_err;
 	b->bridge = get_device(dev);
+	device_enable_async_suspend(b->bridge);
 
 	if (!parent)
 		set_dev_node(b->bridge, pcibus_to_node(b));