[PATCH 4/5] PCI: Enable async shutdown support

David Jeffery
2026-04-20T15:26:53Z

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>
---
drivers/pci/probe.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index bccc7a4bdd79..4d98bab2163d 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1040,6 +1040,7 @@ static int pci_register_host_bridge(struct pci_host_bridge *bridge)

bus->bridge = get_device(&bridge->dev);
device_enable_async_suspend(bus->bridge);
+ device_enable_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) &&
@@ -2749,6 +2750,7 @@ void pci_device_add(struct pci_dev *dev, struct pci_bus *bus)
pci_reassigndev_resource_alignment(dev);

pci_init_capabilities(dev);
+ device_enable_async_shutdown(&dev->dev);

/*
* Add the device to our list of discovered devices
--
2.53.0