From: Jiang Liu <liuj97@xxxxxxxxx>
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@xxxxxxxxxx>
---
drivers/acpi/pci_root.c | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index c2d2b7b..ff73357 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -445,6 +445,7 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
acpi_status status;
int result;
struct acpi_pci_root *root;
+ struct acpi_pci_driver *driver;
acpi_handle handle;
struct acpi_device *child;
u32 flags, base_flags;
@@ -612,6 +613,10 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
if (device->wakeup.flags.run_wake)
device_set_run_wake(root->bus->bridge, true);
+ list_for_each_entry(driver, &acpi_pci_drivers, node)
+ if (driver->add)
+ driver->add(device->handle);
+
return 0;
end:
@@ -632,6 +637,11 @@ static int acpi_pci_root_start(struct acpi_device *device)
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);
/* that root bus could be removed already */
if (!pci_find_bus(root->segment, root->secondary.start)) {
--
1.7.5.4
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