From: Yinghai Lu <yinghai@kernel.org>
Date: Tue, 30 Oct 2012 20:31:48 +0000 (-0600)
Subject: PCI/ACPI: Delete host bridge _PRT during hot remove path
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=13b6a916409adbc47f3d13f9580be0bd413e446e;p=deliverable%2Flinux.git

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>
---

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);