linux-imx

/*

 *  blacklist.c

 *

 *  Check to see if the given machine has a known bad ACPI BIOS

 *  or if the BIOS is too old.

 *  Check given machine against acpi_rev_dmi_table[].

 *

 *  Copyright (C) 2004 Len Brown <len.brown@intel.com>

 *  Copyright (C) 2002 Andy Grover <andrew.grover@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/init.h>

#include <linux/acpi.h>

#include <linux/dmi.h>

​

#include "internal.h"

​

static const struct dmi_system_id acpi_rev_dmi_table[] __initconst;

​

/*

 * POLICY: If *anything* doesn't work, put it on the blacklist.

 *     If they are critical errors, mark it critical, and abort driver load.

 */

static struct acpi_platform_list acpi_blacklist[] __initdata = {

    /* Compaq Presario 1700 */

    {"PTLTD ", "  DSDT  ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal,

     "Multiple problems", 1},

    /* Sony FX120, FX140, FX150? */

    {"SONY  ", "U0      ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal,

     "ACPI driver problem", 1},

    /* Compaq Presario 800, Insyde BIOS */

    {"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal,

     "Does not use _REG to protect EC OpRegions", 1},

    /* IBM 600E - _ADR should return 7, but it returns 1 */

    {"IBM   ", "TP600E  ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal,

     "Incorrect _ADR", 1},

​

    { }

};

​

int __init acpi_blacklisted(void)

{

    int i;

    int blacklisted = 0;

​

    i = acpi_match_platform_list(acpi_blacklist);

    if (i >= 0) {

        pr_err(PREFIX "Vendor \"%6.6s\" System \"%8.8s\" Revision 0x%x has a known ACPI BIOS problem.\n",