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linux/drivers/acpi/blacklist.c

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/*
* 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_osi_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.
*
* 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/module.h>
#include <linux/init.h>
#include <linux/acpi.h>
#include <acpi/acpi_bus.h>
#include <linux/dmi.h>
enum acpi_blacklist_predicates {
all_versions,
less_than_or_equal,
equal,
greater_than_or_equal,
};
struct acpi_blacklist_item {
char oem_id[7];
char oem_table_id[9];
u32 oem_revision;
char *table;
enum acpi_blacklist_predicates oem_revision_predicate;
char *reason;
u32 is_critical_error;
};
static struct dmi_system_id acpi_osi_dmi_table[] __initdata;
/*
* 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_blacklist_item 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},
{""}
};
#if CONFIG_ACPI_BLACKLIST_YEAR
static int __init blacklist_by_year(void)
{
int year = dmi_get_year(DMI_BIOS_DATE);
/* Doesn't exist? Likely an old system */
if (year == -1) {
printk(KERN_ERR PREFIX "no DMI BIOS year, "
"acpi=force is required to enable ACPI\n" );
return 1;
}
/* 0? Likely a buggy new BIOS */
if (year == 0) {
printk(KERN_ERR PREFIX "DMI BIOS year==0, "
"assuming ACPI-capable machine\n" );
return 0;
}
if (year < CONFIG_ACPI_BLACKLIST_YEAR) {
printk(KERN_ERR PREFIX "BIOS age (%d) fails cutoff (%d), "
"acpi=force is required to enable ACPI\n",
year, CONFIG_ACPI_BLACKLIST_YEAR);
return 1;
}
return 0;
}
#else
static inline int blacklist_by_year(void)
{
return 0;
}
#endif
int __init acpi_blacklisted(void)
{
int i = 0;
int blacklisted = 0;
struct acpi_table_header table_header;
while (acpi_blacklist[i].oem_id[0] != '\0') {
if (acpi_get_table_header(acpi_blacklist[i].table, 0, &table_header)) {
i++;
continue;
}
if (strncmp(acpi_blacklist[i].oem_id, table_header.oem_id, 6)) {
i++;
continue;
}
if (strncmp
(acpi_blacklist[i].oem_table_id, table_header.oem_table_id,
8)) {
i++;
continue;
}
if ((acpi_blacklist[i].oem_revision_predicate == all_versions)
|| (acpi_blacklist[i].oem_revision_predicate ==
less_than_or_equal
&& table_header.oem_revision <=
acpi_blacklist[i].oem_revision)
|| (acpi_blacklist[i].oem_revision_predicate ==
greater_than_or_equal
&& table_header.oem_revision >=
acpi_blacklist[i].oem_revision)
|| (acpi_blacklist[i].oem_revision_predicate == equal
&& table_header.oem_revision ==
acpi_blacklist[i].oem_revision)) {
printk(KERN_ERR PREFIX
"Vendor \"%6.6s\" System \"%8.8s\" "
"Revision 0x%x has a known ACPI BIOS problem.\n",
acpi_blacklist[i].oem_id,
acpi_blacklist[i].oem_table_id,
acpi_blacklist[i].oem_revision);
printk(KERN_ERR PREFIX
"Reason: %s. This is a %s error\n",
acpi_blacklist[i].reason,
(acpi_blacklist[i].
is_critical_error ? "non-recoverable" :
"recoverable"));
blacklisted = acpi_blacklist[i].is_critical_error;
break;
} else {
i++;
}
}
blacklisted += blacklist_by_year();
dmi_check_system(acpi_osi_dmi_table);
return blacklisted;
}
#ifdef CONFIG_DMI
static int __init dmi_enable_osi_linux(const struct dmi_system_id *d)
{
acpi_dmi_osi_linux(1, d); /* enable */
return 0;
}
static int __init dmi_disable_osi_linux(const struct dmi_system_id *d)
{
acpi_dmi_osi_linux(0, d); /* disable */
return 0;
}
static int __init dmi_unknown_osi_linux(const struct dmi_system_id *d)
{
acpi_dmi_osi_linux(-1, d); /* unknown */
return 0;
}
static int __init dmi_disable_osi_vista(const struct dmi_system_id *d)
{
printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
acpi_osi_setup("!Windows 2006");
return 0;
}
/*
* Most BIOS that invoke OSI(Linux) do nothing with it.
* But some cause Linux to break.
* Only a couple use it to make Linux run better.
*
* Thus, Linux should continue to disable OSI(Linux) by default,
* should continue to discourage BIOS writers from using it, and
* should whitelist the few existing systems that require it.
*
* If it appears clear a vendor isn't using OSI(Linux)
* for anything constructive, blacklist them by name to disable
* unnecessary dmesg warnings on all of their products.
*/
static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
/*
* Disable OSI(Linux) warnings on all "Acer, inc."
*
* _OSI(Linux) disables the latest Windows BIOS code:
* DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"),
* DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5050"),
* DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
* DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5580"),
* DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 3010"),
* _OSI(Linux) effect unknown:
* DMI_MATCH(DMI_PRODUCT_NAME, "Ferrari 5000"),
*/
/*
* note that dmi_check_system() uses strstr()
* to match sub-strings rather than !strcmp(),
* so "Acer" below matches "Acer, inc." above.
*/
/*
* Disable OSI(Linux) warnings on all "Acer"
*
* _OSI(Linux) effect unknown:
* DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
* DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7720Z"),
* DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 5520"),
* DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 6460"),
* DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 7510"),
*
* _OSI(Linux) is a NOP:
* DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5315"),
* DMI_MATCH(DMI_PRODUCT_NAME, "Extensa 5220"),
*/
{
.callback = dmi_disable_osi_linux,
.ident = "Acer",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
},
},
/*
* Disable OSI(Linux) warnings on all "Apple Computer, Inc."
* Disable OSI(Linux) warnings on all "Apple Inc."
*
* _OSI(Linux) confirmed to be a NOP:
* DMI_MATCH(DMI_PRODUCT_NAME, "MacBook1,1"),
* DMI_MATCH(DMI_PRODUCT_NAME, "MacBook2,1"),
* DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro2,2"),
* DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro3,1"),
* _OSI(Linux) effect unknown:
* DMI_MATCH(DMI_PRODUCT_NAME, "MacPro2,1"),
* DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro1,1"),
*/
{
.callback = dmi_disable_osi_linux,
.ident = "Apple",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Apple"),
},
},
/*
* Disable OSI(Linux) warnings on all "BenQ"
*
* _OSI(Linux) confirmed to be a NOP:
* DMI_MATCH(DMI_PRODUCT_NAME, "Joybook S31"),
*/
{
.callback = dmi_disable_osi_linux,
.ident = "BenQ",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "BenQ"),
},
},
/*
* Disable OSI(Linux) warnings on all "Clevo Co."
*
* _OSI(Linux) confirmed to be a NOP:
* DMI_MATCH(DMI_PRODUCT_NAME, "M570RU"),
*/
{
.callback = dmi_disable_osi_linux,
.ident = "Clevo",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Clevo Co."),
},
},
/*
* Disable OSI(Linux) warnings on all "COMPAL"
*
* _OSI(Linux) confirmed to be a NOP:
* DMI_MATCH(DMI_BOARD_NAME, "HEL8X"),
* _OSI(Linux) unknown effect:
* DMI_MATCH(DMI_BOARD_NAME, "IFL91"),
*/
{
.callback = dmi_disable_osi_linux,
.ident = "Compal",
.matches = {
DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
},
},
{ /* OSI(Linux) touches USB, unknown side-effect */
.callback = dmi_disable_osi_linux,
.ident = "Dell Dimension 5150",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Dell DM051"),
},
},
{ /* OSI(Linux) is a NOP */
.callback = dmi_disable_osi_linux,
.ident = "Dell i1501",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1501"),
},
},
{ /* OSI(Linux) effect unknown */
.callback = dmi_unknown_osi_linux,
.ident = "Dell Latitude D830",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D830"),
},
},
{ /* OSI(Linux) effect unknown */
.callback = dmi_unknown_osi_linux,
.ident = "Dell OptiPlex GX620",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex GX620"),
},
},
{ /* OSI(Linux) causes some USB initialization to not run */
.callback = dmi_unknown_osi_linux,
.ident = "Dell OptiPlex 755",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 755"),
},
},
{ /* OSI(Linux) effect unknown */
.callback = dmi_unknown_osi_linux,
.ident = "Dell PE 1900",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1900"),
},
},
{ /* OSI(Linux) is a NOP */
.callback = dmi_unknown_osi_linux,
.ident = "Dell PE 1950",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1950"),
},
},
{ /* OSI(Linux) is a NOP */
.callback = dmi_disable_osi_linux,
.ident = "Dell PE R200",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge R200"),
},
},
{ /* OSI(Linux) touches USB */
.callback = dmi_disable_osi_linux,
.ident = "Dell PR 390",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Precision WorkStation 390"),
},
},
{ /* OSI(Linux) touches USB */
.callback = dmi_unknown_osi_linux,
.ident = "Dell PR 390",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Precision WorkStation 690"),
},
},
{ /* OSI(Linux) unknown - ASL looks benign, but may effect dock/SMM */
.callback = dmi_unknown_osi_linux,
.ident = "Dell PR M4300",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Precision M4300"),
},
},
{ /* OSI(Linux) is a NOP */
.callback = dmi_disable_osi_linux,
.ident = "Dell Vostro 1000",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1000"),
},
},
{ /* OSI(Linux) effect unknown */
.callback = dmi_unknown_osi_linux,
.ident = "Dell PE SC440",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge SC440"),
},
},
{ /* OSI(Linux) effect unknown */
.callback = dmi_unknown_osi_linux,
.ident = "Dialogue Flybook V5",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dialogue Technology Corporation"),
DMI_MATCH(DMI_PRODUCT_NAME, "Flybook V5"),
},
},
/*
* Disable OSI(Linux) warnings on all "FUJITSU SIEMENS"
*
* _OSI(Linux) disables latest Windows BIOS code:
* DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 2510"),
* _OSI(Linux) confirmed to be a NOP:
* DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 1536"),
* DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 1556"),
* DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 1546"),
* DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
* _OSI(Linux) unknown effect:
* DMI_MATCH(DMI_PRODUCT_NAME, "Amilo M1425"),
* DMI_MATCH(DMI_PRODUCT_NAME, "Amilo Si 1520"),
*/
{
.callback = dmi_disable_osi_linux,
.ident = "Fujitsu Siemens",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
},
},
{
.callback = dmi_disable_osi_vista,
.ident = "Fujitsu Siemens",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
},
},
/*
* Disable OSI(Linux) warnings on all "Hewlett-Packard"
*
* _OSI(Linux) confirmed to be a NOP:
* .ident = "HP Pavilion tx 1000"
* DMI_MATCH(DMI_BOARD_NAME, "30BF"),
* .ident = "HP Pavilion dv2000"
* DMI_MATCH(DMI_BOARD_NAME, "30B5"),
* .ident = "HP Pavilion dv5000",
* DMI_MATCH(DMI_BOARD_NAME, "30A7"),
* .ident = "HP Pavilion dv6300 30BC",
* DMI_MATCH(DMI_BOARD_NAME, "30BC"),
* .ident = "HP Pavilion dv6000",
* DMI_MATCH(DMI_BOARD_NAME, "30B7"),
* DMI_MATCH(DMI_BOARD_NAME, "30B8"),
* .ident = "HP Pavilion dv9000",
* DMI_MATCH(DMI_BOARD_NAME, "30B9"),
* .ident = "HP Pavilion dv9500",
* DMI_MATCH(DMI_BOARD_NAME, "30CB"),
* .ident = "HP/Compaq Presario C500",
* DMI_MATCH(DMI_BOARD_NAME, "30C6"),
* .ident = "HP/Compaq Presario F500",
* DMI_MATCH(DMI_BOARD_NAME, "30D3"),
* _OSI(Linux) unknown effect:
* .ident = "HP Pavilion dv6500",
* DMI_MATCH(DMI_BOARD_NAME, "30D0"),
*/
{
.callback = dmi_disable_osi_linux,
.ident = "Hewlett-Packard",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
},
},
/*
* Lenovo has a mix of systems OSI(Linux) situations
* and thus we can not wildcard the vendor.
*
* _OSI(Linux) helps sound
* DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
* DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
* _OSI(Linux) has Linux specific hooks
* DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"),
* _OSI(Linux) is a NOP:
* DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
* DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"),
*/
{
.callback = dmi_enable_osi_linux,
.ident = "Lenovo ThinkPad R61",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
},
},
{
.callback = dmi_enable_osi_linux,
.ident = "Lenovo ThinkPad T61",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
},
},
{
.callback = dmi_enable_osi_linux,
.ident = "Lenovo ThinkPad X61",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"),
},
},
{
.callback = dmi_disable_osi_linux,
.ident = "Lenovo 3000 V100",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"),
},
},
{
.callback = dmi_disable_osi_linux,
.ident = "Lenovo 3000 N100",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
},
},
/*
* Disable OSI(Linux) warnings on all "LG Electronics"
*
* _OSI(Linux) confirmed to be a NOP:
* DMI_MATCH(DMI_PRODUCT_NAME, "P1-J150B"),
* with DMI_MATCH(DMI_BOARD_NAME, "ROCKY"),
*
* unknown:
* DMI_MATCH(DMI_PRODUCT_NAME, "S1-MDGDG"),
* with DMI_MATCH(DMI_BOARD_NAME, "ROCKY"),
*/
{
.callback = dmi_disable_osi_linux,
.ident = "LG",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"),
},
},
/* NEC - OSI(Linux) effect unknown */
{
.callback = dmi_unknown_osi_linux,
.ident = "NEC VERSA M360",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "NEC Computers SAS"),
DMI_MATCH(DMI_PRODUCT_NAME, "NEC VERSA M360"),
},
},
/* Panasonic */
{
.callback = dmi_unknown_osi_linux,
.ident = "Panasonic",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
/* Toughbook CF-52 */
DMI_MATCH(DMI_PRODUCT_NAME, "CF-52CCABVBG"),
},
},
/*
* Disable OSI(Linux) warnings on all "Samsung Electronics"
*
* OSI(Linux) disables PNP0C32 and other BIOS code for Windows:
* DMI_MATCH(DMI_PRODUCT_NAME, "R40P/R41P"),
* DMI_MATCH(DMI_PRODUCT_NAME, "R59P/R60P/R61P"),
*/
{
.callback = dmi_disable_osi_linux,
.ident = "Samsung",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
},
},
/*
* Disable OSI(Linux) warnings on all "Sony Corporation"
*
* _OSI(Linux) is a NOP:
* DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NR11S_S"),
* DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SZ38GP_C"),
* DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SZ650N"),
* DMI_MATCH(DMI_PRODUCT_NAME, "VGN-TZ21MN_N"),
* _OSI(Linux) unknown effect:
* DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ11M"),
*/
{
.callback = dmi_disable_osi_linux,
.ident = "Sony",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
},
},
/*
* Disable OSI(Linux) warnings on all "TOSHIBA"
*
* _OSI(Linux) breaks sound (bugzilla 7787):
* DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P100"),
* DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P105"),
* _OSI(Linux) is a NOP:
* DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A100"),
* DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A210"),
* _OSI(Linux) unknown effect:
* DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A135"),
* DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A200"),
* DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P205"),
* DMI_MATCH(DMI_PRODUCT_NAME, "Satellite U305"),
*/
{
.callback = dmi_disable_osi_linux,
.ident = "Toshiba",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
},
},
{}
};
#endif /* CONFIG_DMI */
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