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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: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Jiang Liu 2012-09-18 15:20:34 +09:00 committed by Bjorn Helgaas
parent 8ee5bdf3e9
commit c8e9afb124
1 changed files with 11 additions and 0 deletions
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11
drivers/acpi/pci_root.c
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@ -626,14 +626,25 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
static int acpi_pci_root_start(struct acpi_device *device) static int acpi_pci_root_start(struct acpi_device *device)
{ {
struct acpi_pci_root *root = acpi_driver_data(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); pci_bus_add_devices(root->bus);
return 0; return 0;
} }
static int acpi_pci_root_remove(struct acpi_device *device, int type) static int acpi_pci_root_remove(struct acpi_device *device, int type)
{ {
struct acpi_pci_root *root = acpi_driver_data(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->remove)
driver->remove(root->device->handle);
device_set_run_wake(root->bus->bridge, false); device_set_run_wake(root->bus->bridge, false);
pci_acpi_remove_bus_pm_notifier(device); pci_acpi_remove_bus_pm_notifier(device);