linux-imx

/*

 *  pci_irq.c - ACPI PCI Interrupt Routing ($Revision: 11 $)

 *

 *  Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>

 *  Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>

 *  Copyright (C) 2002       Dominik Brodowski <devel@brodo.de>

 *  (c) Copyright 2008 Hewlett-Packard Development Company, L.P.

 *  Bjorn Helgaas <bjorn.helgaas@hp.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/dmi.h>

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/init.h>

#include <linux/types.h>

#include <linux/spinlock.h>

#include <linux/pm.h>

#include <linux/pci.h>

#include <linux/acpi.h>

#include <linux/slab.h>

#include <linux/interrupt.h>

​

#define PREFIX "ACPI: "

​

#define _COMPONENT      ACPI_PCI_COMPONENT

ACPI_MODULE_NAME("pci_irq");

​

struct acpi_prt_entry {

    struct acpi_pci_id  id;

    u8          pin;

    acpi_handle     link;

    u32         index;      /* GSI, or link _CRS index */

};

​

static inline char pin_name(int pin)

{

    return 'A' + pin - 1;

}

​

/* --------------------------------------------------------------------------

                         PCI IRQ Routing Table (PRT) Support

   -------------------------------------------------------------------------- */

​

/* http://bugzilla.kernel.org/show_bug.cgi?id=4773 */

static const struct dmi_system_id medion_md9580[] = {

    {

        .ident = "Medion MD9580-F laptop",

        .matches = {