linux-kernel - [PATCH 26/40] PCI, ACPI: del root bus prt

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Date:	Wed, 19 Sep 2012 11:54:40 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Bjorn Helgaas <bhelgaas@...gle.com>, Len Brown <lenb@...nel.org>,
	Taku Izumi <izumi.taku@...fujitsu.com>,
	Jiang Liu <jiang.liu@...wei.com>, x86 <x86@...nel.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-acpi@...r.kernel.org, Yinghai Lu <yinghai@...nel.org>
Subject: [PATCH 26/40] PCI, ACPI: del root bus prt

corresponding to add path.

Signed-off-by: Yinghai Lu <yinghai@...nel.org>
---
 drivers/acpi/pci_root.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 92ec5c9..b72c85c 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -650,6 +650,8 @@ 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);
 
 	/* that root bus could be removed already */
@@ -664,6 +666,10 @@ 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);
+
 	dev_printk(KERN_DEBUG, &device->dev,
 		"freeing acpi_pci_root, will remove pci root bus at first");
 	pci_remove_root_bus(root->bus);
-- 
1.7.7

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