PCI/ACPI: Delete host bridge _PRT during hot remove path

Corresponding to add path.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index aed09537861a..a27cbb572fe1 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -664,6 +664,8 @@ static int acpi_pci_root_start(struct acpi_device *device)
 
 static int acpi_pci_root_remove(struct acpi_device *device, int type)
 {
+        acpi_status status;
+        acpi_handle handle;
         struct acpi_pci_root *root = acpi_driver_data(device);
         struct acpi_pci_driver *driver;
 
@@ -678,6 +680,10 @@ static int acpi_pci_root_remove(struct acpi_device *device, int type)
         device_set_run_wake(root->bus->bridge, false);
         pci_acpi_remove_bus_pm_notifier(device);
 
+        status = acpi_get_handle(device->handle, METHOD_NAME__PRT, &handle);
+        if (ACPI_SUCCESS(status))
+                acpi_pci_irq_del_prt(root->bus);
+
         pci_remove_root_bus(root->bus);
 
         mutex_lock(&acpi_pci_root_lock);