[PATCH v19 6/7] PCI: Enable async shutdown support

[Tarun Sahu <tarunsahu@google.com>]

From: David Jeffery <djeffery@redhat.com>

Like its async suspend support, allow PCI device shutdown to be performed
asynchronously to reduce shutdown time.

Signed-off-by: David Jeffery <djeffery@redhat.com>
Signed-off-by: Stuart Hayes <stuart.w.hayes@gmail.com>
Tested-by: Laurence Oberman <loberman@redhat.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: Bjorn Helgaas <bhelgaas@google.com>
---
 drivers/pci/probe.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index dd0abbc63e18..af2381446406 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1046,6 +1046,7 @@ static int pci_register_host_bridge(struct pci_host_bridge *bridge)
 
 	bus->bridge = get_device(&bridge->dev);
 	device_enable_async_suspend(bus->bridge);
+	dev_set_async_shutdown(bus->bridge);
 	pci_set_bus_of_node(bus);
 	pci_set_bus_msi_domain(bus);
 	if (bridge->msi_domain && !dev_get_msi_domain(&bus->dev) &&
@@ -2748,6 +2749,7 @@ void pci_device_add(struct pci_dev *dev, struct pci_bus *bus)
 	pci_reassigndev_resource_alignment(dev);
 
 	pci_init_capabilities(dev);
+	dev_set_async_shutdown(&dev->dev);
 
 	/*
 	 * Add the device to our list of discovered devices
-- 
2.55.0.229.g6434b31f56-goog