ACPI / PCI: Move the _PRT setup and cleanup code to pci-acpi.c

Move the code related to _PRT setup and removal and to power
resources from acpi_pci_bind() and acpi_pci_unbind() to the .setup()
and .cleanup() callbacks in acpi_pci_bus and remove acpi_pci_bind()
and acpi_pci_unbind() that have no purpose any more.  Accordingly,
remove the code related to device .bind() and .unbind() operations
from the ACPI PCI root bridge driver.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Yinghai Lu <yinghai@kernel.org>
Acked-by: Toshi Kani <toshi.kani@hp.com>

1 files changed, 0 insertions, 117 deletions

diff --git a/drivers/acpi/pci_bind.c b/drivers/acpi/pci_bind.c
deleted file mode 100644
index bbddcc9c894..00000000000
--- a/drivers/acpi/pci_bind.c
+++ /dev/null
@@ -1,117 +0,0 @@
-/*
- *  pci_bind.c - ACPI PCI Device Binding ($Revision: 2 $)
- *
- *  Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
- *  Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or (at
- *  your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful, but
- *  WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- */
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/pci-acpi.h>
-#include <linux/acpi.h>
-#include <linux/pm_runtime.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
-
-#define _COMPONENT		ACPI_PCI_COMPONENT
-ACPI_MODULE_NAME("pci_bind");
-
-static int acpi_pci_unbind(struct acpi_device *device)
-{
-	struct pci_dev *dev;
-
-	dev = acpi_get_pci_dev(device->handle);
-	if (!dev)
-		goto out;
-
-	acpi_power_resource_unregister_device(&dev->dev, device->handle);
-
-	if (!dev->subordinate)
-		goto out;
-
-	acpi_pci_irq_del_prt(pci_domain_nr(dev->bus), dev->subordinate->number);
-
-	device->ops.bind = NULL;
-	device->ops.unbind = NULL;
-
-out:
-	pci_dev_put(dev);
-	return 0;
-}
-
-static int acpi_pci_bind(struct acpi_device *device)
-{
-	acpi_status status;
-	acpi_handle handle;
-	unsigned char bus;
-	struct pci_dev *dev;
-
-	dev = acpi_get_pci_dev(device->handle);
-	if (!dev)
-		return 0;
-
-	acpi_power_resource_register_device(&dev->dev, device->handle);
-
-	/*
-	 * Install the 'bind' function to facilitate callbacks for
-	 * children of the P2P bridge.
-	 */
-	if (dev->subordinate) {
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-				  "Device %04x:%02x:%02x.%d is a PCI bridge\n",
-				  pci_domain_nr(dev->bus), dev->bus->number,
-				  PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn)));
-		device->ops.bind = acpi_pci_bind;
-		device->ops.unbind = acpi_pci_unbind;
-	}
-
-	/*
-	 * Evaluate and parse _PRT, if exists.  This code allows parsing of
-	 * _PRT objects within the scope of non-bridge devices.  Note that
-	 * _PRTs within the scope of a PCI bridge assume the bridge's
-	 * subordinate bus number.
-	 *
-	 * TBD: Can _PRTs exist within the scope of non-bridge PCI devices?
-	 */
-	status = acpi_get_handle(device->handle, METHOD_NAME__PRT, &handle);
-	if (ACPI_FAILURE(status))
-		goto out;
-
-	if (dev->subordinate)
-		bus = dev->subordinate->number;
-	else
-		bus = dev->bus->number;
-
-	acpi_pci_irq_add_prt(device->handle, pci_domain_nr(dev->bus), bus);
-
-out:
-	pci_dev_put(dev);
-	return 0;
-}
-
-int acpi_pci_bind_root(struct acpi_device *device)
-{
-	device->ops.bind = acpi_pci_bind;
-	device->ops.unbind = acpi_pci_unbind;
-
-	return 0;
-}