linux-imx

/*

 *  pci_root.c - ACPI PCI Root Bridge Driver ($Revision: 40 $)

 *

 *  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.

 *

 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

 */

​

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/init.h>

#include <linux/types.h>

#include <linux/mutex.h>

#include <linux/pm.h>

#include <linux/pm_runtime.h>

#include <linux/pci.h>

#include <linux/pci-acpi.h>

#include <linux/pci-aspm.h>

#include <linux/dmar.h>

#include <linux/acpi.h>

#include <linux/slab.h>

#include <linux/dmi.h>

#include <linux/platform_data/x86/apple.h>

#include <acpi/apei.h>  /* for acpi_hest_init() */

​

#include "internal.h"

​

#define _COMPONENT      ACPI_PCI_COMPONENT

ACPI_MODULE_NAME("pci_root");

#define ACPI_PCI_ROOT_CLASS     "pci_bridge"

#define ACPI_PCI_ROOT_DEVICE_NAME   "PCI Root Bridge"

static int acpi_pci_root_add(struct acpi_device *device,

                 const struct acpi_device_id *not_used);

static void acpi_pci_root_remove(struct acpi_device *device);

​

static int acpi_pci_root_scan_dependent(struct acpi_device *adev)

{

    acpiphp_check_host_bridge(adev);

    return 0;

}

​

#define ACPI_PCIE_REQ_SUPPORT (OSC_PCI_EXT_CONFIG_SUPPORT \

                | OSC_PCI_ASPM_SUPPORT \

                | OSC_PCI_CLOCK_PM_SUPPORT \

                | OSC_PCI_MSI_SUPPORT)

​

static const struct acpi_device_id root_device_ids[] = {

    {"PNP0A03", 0},

    {"", 0},

};