From: Jiang Liu <jiang.liu@xxxxxxxxxx>
ACPI, PCI: 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.
-v2: Move add calling to acpi_pci_root_start by Yinghai
Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxx>
Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
Signed-off-by: Taku Izumi <izumi.taku@xxxxxxxxxxxxxx>
---
drivers/acpi/pci_root.c | 11 +++++++++++
1 file changed, 11 insertions(+)
Index: Bjorn-next-0808/drivers/acpi/pci_root.c
===================================================================
--- Bjorn-next-0808.orig/drivers/acpi/pci_root.c
+++ Bjorn-next-0808/drivers/acpi/pci_root.c
@@ -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);
--
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