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Commit c8e9afb1 authored by Jiang Liu's avatar Jiang Liu Committed by Bjorn Helgaas
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PCI/ACPI: Notify acpi_pci_drivers when hot-plugging PCI root bridges 



When hot-plugging PCI root bridge, acpi_pci_drivers' add()/remove()
methods should be invoked to notify registered drivers.

Signed-off-by: default avatarJiang Liu <jiang.liu@huawei.com>
Signed-off-by: default avatarYinghai Lu <yinghai@kernel.org>
Signed-off-by: default avatarTaku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
parent 8ee5bdf3

drivers/acpi/pci_root.c

+11 −0
Original line number Diff line number Diff line
@@ -626,14 +626,25 @@ end: 
static int acpi_pci_root_start(struct acpi_device *device)

{

	struct acpi_pci_root *root = acpi_driver_data(device);

	struct acpi_pci_driver *driver;



	list_for_each_entry(driver, &acpi_pci_drivers, node)

		if (driver->add)

			driver->add(device->handle);



	pci_bus_add_devices(root->bus);



	return 0;

}



static int acpi_pci_root_remove(struct acpi_device *device, int type)

{

	struct acpi_pci_root *root = acpi_driver_data(device);

	struct acpi_pci_driver *driver;



	list_for_each_entry(driver, &acpi_pci_drivers, node)

		if (driver->remove)

			driver->remove(root->device->handle);



	device_set_run_wake(root->bus->bridge, false);

	pci_acpi_remove_bus_pm_notifier(device);