drivers/acpi/blacklist.c

   1 /*
   2  *  blacklist.c
   3  *
   4  *  Check to see if the given machine has a known bad ACPI BIOS
   5  *  or if the BIOS is too old.
   6  *  Check given machine against acpi_osi_dmi_table[].
   7  *
   8  *  Copyright (C) 2004 Len Brown <len.brown@intel.com>
   9  *  Copyright (C) 2002 Andy Grover <andrew.grover@intel.com>
  10  *
  11  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  12  *
  13  *  This program is free software; you can redistribute it and/or modify
  14  *  it under the terms of the GNU General Public License as published by
  15  *  the Free Software Foundation; either version 2 of the License, or (at
  16  *  your option) any later version.
  17  *
  18  *  This program is distributed in the hope that it will be useful, but
  19  *  WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  21  *  General Public License for more details.
  22  *
  23  *  You should have received a copy of the GNU General Public License along
  24  *  with this program; if not, write to the Free Software Foundation, Inc.,
  25  *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  26  *
  27  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  28  */
  29
  30 #include <linux/kernel.h>
  31 #include <linux/module.h>
  32 #include <linux/init.h>
  33 #include <linux/acpi.h>
  34 #include <acpi/acpi_bus.h>
  35 #include <linux/dmi.h>
  36
  37 enum acpi_blacklist_predicates {
  38         all_versions,
  39         less_than_or_equal,
  40         equal,
  41         greater_than_or_equal,
  42 };
  43
  44 struct acpi_blacklist_item {
  45         char oem_id[7];
  46         char oem_table_id[9];
  47         u32 oem_revision;
  48         char *table;
  49         enum acpi_blacklist_predicates oem_revision_predicate;
  50         char *reason;
  51         u32 is_critical_error;
  52 };
  53
  54 static struct dmi_system_id acpi_osi_dmi_table[] __initdata;
  55
  56 /*
  57  * POLICY: If *anything* doesn't work, put it on the blacklist.
  58  *         If they are critical errors, mark it critical, and abort driver load.
  59  */
  60 static struct acpi_blacklist_item acpi_blacklist[] __initdata = {
  61         /* Compaq Presario 1700 */
  62         {"PTLTD ", "  DSDT  ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal,
  63          "Multiple problems", 1},
  64         /* Sony FX120, FX140, FX150? */
  65         {"SONY  ", "U0      ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal,
  66          "ACPI driver problem", 1},
  67         /* Compaq Presario 800, Insyde BIOS */
  68         {"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal,
  69          "Does not use _REG to protect EC OpRegions", 1},
  70         /* IBM 600E - _ADR should return 7, but it returns 1 */
  71         {"IBM   ", "TP600E  ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal,
  72          "Incorrect _ADR", 1},
  73
  74         {""}
  75 };
  76
  77 #if     CONFIG_ACPI_BLACKLIST_YEAR
  78
  79 static int __init blacklist_by_year(void)
  80 {
  81         int year = dmi_get_year(DMI_BIOS_DATE);
  82         /* Doesn't exist? Likely an old system */
  83         if (year == -1) {
  84                 printk(KERN_ERR PREFIX "no DMI BIOS year, "
  85                         "acpi=force is required to enable ACPI\n" );
  86                 return 1;
  87         }
  88         /* 0? Likely a buggy new BIOS */
  89         if (year == 0) {
  90                 printk(KERN_ERR PREFIX "DMI BIOS year==0, "
  91                         "assuming ACPI-capable machine\n" );
  92                 return 0;
  93         }
  94         if (year < CONFIG_ACPI_BLACKLIST_YEAR) {
  95                 printk(KERN_ERR PREFIX "BIOS age (%d) fails cutoff (%d), "
  96                        "acpi=force is required to enable ACPI\n",
  97                        year, CONFIG_ACPI_BLACKLIST_YEAR);
  98                 return 1;
  99         }
 100         return 0;
 101 }
 102 #else
 103 static inline int blacklist_by_year(void)
 104 {
 105         return 0;
 106 }
 107 #endif
 108
 109 int __init acpi_blacklisted(void)
 110 {
 111         int i = 0;
 112         int blacklisted = 0;
 113         struct acpi_table_header table_header;
 114
 115         while (acpi_blacklist[i].oem_id[0] != '\0') {
 116                 if (acpi_get_table_header(acpi_blacklist[i].table, 0, &table_header)) {
 117                         i++;
 118                         continue;
 119                 }
 120
 121                 if (strncmp(acpi_blacklist[i].oem_id, table_header.oem_id, 6)) {
 122                         i++;
 123                         continue;
 124                 }
 125
 126                 if (strncmp
 127                     (acpi_blacklist[i].oem_table_id, table_header.oem_table_id,
 128                      8)) {
 129                         i++;
 130                         continue;
 131                 }
 132
 133                 if ((acpi_blacklist[i].oem_revision_predicate == all_versions)
 134                     || (acpi_blacklist[i].oem_revision_predicate ==
 135                         less_than_or_equal
 136                         && table_header.oem_revision <=
 137                         acpi_blacklist[i].oem_revision)
 138                     || (acpi_blacklist[i].oem_revision_predicate ==
 139                         greater_than_or_equal
 140                         && table_header.oem_revision >=
 141                         acpi_blacklist[i].oem_revision)
 142                     || (acpi_blacklist[i].oem_revision_predicate == equal
 143                         && table_header.oem_revision ==
 144                         acpi_blacklist[i].oem_revision)) {
 145
 146                         printk(KERN_ERR PREFIX
 147                                "Vendor \"%6.6s\" System \"%8.8s\" "
 148                                "Revision 0x%x has a known ACPI BIOS problem.\n",
 149                                acpi_blacklist[i].oem_id,
 150                                acpi_blacklist[i].oem_table_id,
 151                                acpi_blacklist[i].oem_revision);
 152
 153                         printk(KERN_ERR PREFIX
 154                                "Reason: %s. This is a %s error\n",
 155                                acpi_blacklist[i].reason,
 156                                (acpi_blacklist[i].
 157                                 is_critical_error ? "non-recoverable" :
 158                                 "recoverable"));
 159
 160                         blacklisted = acpi_blacklist[i].is_critical_error;
 161                         break;
 162                 } else {
 163                         i++;
 164                 }
 165         }
 166
 167         blacklisted += blacklist_by_year();
 168
 169         dmi_check_system(acpi_osi_dmi_table);
 170
 171         return blacklisted;
 172 }
 173 #ifdef CONFIG_DMI
 174 static int __init dmi_enable_osi_linux(const struct dmi_system_id *d)
 175 {
 176         acpi_dmi_osi_linux(1, d);       /* enable */
 177         return 0;
 178 }
 179 static int __init dmi_disable_osi_linux(const struct dmi_system_id *d)
 180 {
 181         acpi_dmi_osi_linux(0, d);       /* disable */
 182         return 0;
 183 }
 184 static int __init dmi_unknown_osi_linux(const struct dmi_system_id *d)
 185 {
 186         acpi_dmi_osi_linux(-1, d);      /* unknown */
 187         return 0;
 188 }
 189
 190 /*
 191  * Most BIOS that invoke OSI(Linux) do nothing with it.
 192  * But some cause Linux to break.
 193  * Only a couple use it to make Linux run better.
 194  *
 195  * Thus, Linux should continue to disable OSI(Linux) by default,
 196  * should continue to discourage BIOS writers from using it, and
 197  * should whitelist the few existing systems that require it.
 198  *
 199  * If it appears clear a vendor isn't using OSI(Linux)
 200  * for anything constructive, blacklist them by name to disable
 201  * unnecessary dmesg warnings on all of their products.
 202  */
 203
 204 static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
 205         /*
 206          * Disable OSI(Linux) warnings on all "Acer, inc."
 207          *
 208          * _OSI(Linux) disables the latest Windows BIOS code:
 209          * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"),
 210          * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5050"),
 211          * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
 212          * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5580"),
 213          * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 3010"),
 214          * _OSI(Linux) effect unknown:
 215          * DMI_MATCH(DMI_PRODUCT_NAME, "Ferrari 5000"),
 216          */
 217         /*
 218          * note that dmi_check_system() uses strstr()
 219          * to match sub-strings rather than !strcmp(),
 220          * so "Acer" below matches "Acer, inc." above.
 221          */
 222         /*
 223          * Disable OSI(Linux) warnings on all "Acer"
 224          *
 225          * _OSI(Linux) effect unknown:
 226          * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
 227          * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7720Z"),
 228          * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 5520"),
 229          * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 6460"),
 230          * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 7510"),
 231          * DMI_MATCH(DMI_PRODUCT_NAME, "Extensa 5220"),
 232          *
 233          * _OSI(Linux) is a NOP:
 234          * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5315"),
 235          */
 236         {
 237         .callback = dmi_disable_osi_linux,
 238         .ident = "Acer",
 239         .matches = {
 240                      DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 241                 },
 242         },
 243         /*
 244          * Disable OSI(Linux) warnings on all "Apple Computer, Inc."
 245          * Disable OSI(Linux) warnings on all "Apple Inc."
 246          *
 247          * _OSI(Linux) confirmed to be a NOP:
 248          * DMI_MATCH(DMI_PRODUCT_NAME, "MacBook1,1"),
 249          * DMI_MATCH(DMI_PRODUCT_NAME, "MacBook2,1"),
 250          * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro2,2"),
 251          * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro3,1"),
 252          * _OSI(Linux) effect unknown:
 253          * DMI_MATCH(DMI_PRODUCT_NAME, "MacPro2,1"),
 254          * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro1,1"),
 255          */
 256         {
 257         .callback = dmi_disable_osi_linux,
 258         .ident = "Apple",
 259         .matches = {
 260                      DMI_MATCH(DMI_SYS_VENDOR, "Apple"),
 261                 },
 262         },
 263         /*
 264          * Disable OSI(Linux) warnings on all "BenQ"
 265          *
 266          * _OSI(Linux) confirmed to be a NOP:
 267          * DMI_MATCH(DMI_PRODUCT_NAME, "Joybook S31"),
 268          */
 269         {
 270         .callback = dmi_disable_osi_linux,
 271         .ident = "BenQ",
 272         .matches = {
 273                      DMI_MATCH(DMI_SYS_VENDOR, "BenQ"),
 274                 },
 275         },
 276         /*
 277          * Disable OSI(Linux) warnings on all "Clevo Co."
 278          *
 279          * _OSI(Linux) confirmed to be a NOP:
 280          * DMI_MATCH(DMI_PRODUCT_NAME, "M570RU"),
 281          */
 282         {
 283         .callback = dmi_disable_osi_linux,
 284         .ident = "Clevo",
 285         .matches = {
 286                      DMI_MATCH(DMI_SYS_VENDOR, "Clevo Co."),
 287                 },
 288         },
 289         /*
 290          * Disable OSI(Linux) warnings on all "COMPAL"
 291          *
 292          * _OSI(Linux) confirmed to be a NOP:
 293          * DMI_MATCH(DMI_BOARD_NAME, "HEL8X"),
 294          * _OSI(Linux) unknown effect:
 295          * DMI_MATCH(DMI_BOARD_NAME, "IFL91"),
 296          */
 297         {
 298         .callback = dmi_disable_osi_linux,
 299         .ident = "Compal",
 300         .matches = {
 301                      DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
 302                 },
 303         },
 304         { /* OSI(Linux) touches USB, unknown side-effect */
 305         .callback = dmi_disable_osi_linux,
 306         .ident = "Dell Dimension 5150",
 307         .matches = {
 308                      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 309                      DMI_MATCH(DMI_PRODUCT_NAME, "Dell DM051"),
 310                 },
 311         },
 312         { /* OSI(Linux) is a NOP */
 313         .callback = dmi_disable_osi_linux,
 314         .ident = "Dell i1501",
 315         .matches = {
 316                      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 317                      DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1501"),
 318                 },
 319         },
 320         { /* OSI(Linux) effect unknown */
 321         .callback = dmi_unknown_osi_linux,
 322         .ident = "Dell Latitude D830",
 323         .matches = {
 324                      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 325                      DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D830"),
 326                 },
 327         },
 328         { /* OSI(Linux) effect unknown */
 329         .callback = dmi_unknown_osi_linux,
 330         .ident = "Dell OP GX620",
 331         .matches = {
 332                      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 333                      DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex GX620"),
 334                 },
 335         },
 336         { /* OSI(Linux) effect unknown */
 337         .callback = dmi_unknown_osi_linux,
 338         .ident = "Dell PE 1900",
 339         .matches = {
 340                      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 341                      DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1900"),
 342                 },
 343         },
 344         { /* OSI(Linux) is a NOP */
 345         .callback = dmi_disable_osi_linux,
 346         .ident = "Dell PE R200",
 347         .matches = {
 348                      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 349                      DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge R200"),
 350                 },
 351         },
 352         { /* OSI(Linux) touches USB */
 353         .callback = dmi_disable_osi_linux,
 354         .ident = "Dell PR 390",
 355         .matches = {
 356                      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 357                      DMI_MATCH(DMI_PRODUCT_NAME, "Precision WorkStation 390"),
 358                 },
 359         },
 360         { /* OSI(Linux) is a NOP */
 361         .callback = dmi_disable_osi_linux,
 362         .ident = "Dell Vostro 1000",
 363         .matches = {
 364                      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 365                      DMI_MATCH(DMI_PRODUCT_NAME, "Vostro   1000"),
 366                 },
 367         },
 368         { /* OSI(Linux) effect unknown */
 369         .callback = dmi_unknown_osi_linux,
 370         .ident = "Dell PE SC440",
 371         .matches = {
 372                      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 373                      DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge SC440"),
 374                 },
 375         },
 376         { /* OSI(Linux) effect unknown */
 377         .callback = dmi_unknown_osi_linux,
 378         .ident = "Dialogue Flybook V5",
 379         .matches = {
 380                      DMI_MATCH(DMI_SYS_VENDOR, "Dialogue Technology Corporation"),
 381                      DMI_MATCH(DMI_PRODUCT_NAME, "Flybook V5"),
 382                 },
 383         },
 384         /*
 385          * Disable OSI(Linux) warnings on all "FUJITSU SIEMENS"
 386          *
 387          * _OSI(Linux) disables latest Windows BIOS code:
 388          * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 2510"),
 389          * _OSI(Linux) confirmed to be a NOP:
 390          * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 1536"),
 391          * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 1556"),
 392          * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 1546"),
 393          * _OSI(Linux) unknown effect:
 394          * DMI_MATCH(DMI_PRODUCT_NAME, "Amilo M1425"),
 395          * DMI_MATCH(DMI_PRODUCT_NAME, "Amilo Si 1520"),
 396          * DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
 397          */
 398         {
 399         .callback = dmi_disable_osi_linux,
 400         .ident = "Fujitsu Siemens",
 401         .matches = {
 402                      DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 403                 },
 404         },
 405         /*
 406          * Disable OSI(Linux) warnings on all "Hewlett-Packard"
 407          *
 408          * _OSI(Linux) confirmed to be a NOP:
 409          * .ident = "HP Pavilion tx 1000"
 410          * DMI_MATCH(DMI_BOARD_NAME, "30BF"),
 411          * .ident = "HP Pavilion dv2000"
 412          * DMI_MATCH(DMI_BOARD_NAME, "30B5"),
 413          * .ident = "HP Pavilion dv5000",
 414          * DMI_MATCH(DMI_BOARD_NAME, "30A7"),
 415          * .ident = "HP Pavilion dv6300 30BC",
 416          * DMI_MATCH(DMI_BOARD_NAME, "30BC"),
 417          * .ident = "HP Pavilion dv6000",
 418          * DMI_MATCH(DMI_BOARD_NAME, "30B7"),
 419          * DMI_MATCH(DMI_BOARD_NAME, "30B8"),
 420          * .ident = "HP Pavilion dv9000",
 421          * DMI_MATCH(DMI_BOARD_NAME, "30B9"),
 422          * .ident = "HP Pavilion dv9500",
 423          * DMI_MATCH(DMI_BOARD_NAME, "30CB"),
 424          * .ident = "HP/Compaq Presario C500",
 425          * DMI_MATCH(DMI_BOARD_NAME, "30C6"),
 426          * .ident = "HP/Compaq Presario F500",
 427          * DMI_MATCH(DMI_BOARD_NAME, "30D3"),
 428          * _OSI(Linux) unknown effect:
 429          * .ident = "HP Pavilion dv6500",
 430          * DMI_MATCH(DMI_BOARD_NAME, "30D0"),
 431          */
 432         {
 433         .callback = dmi_disable_osi_linux,
 434         .ident = "Hewlett-Packard",
 435         .matches = {
 436                      DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 437                 },
 438         },
 439         /*
 440          * Lenovo has a mix of systems OSI(Linux) situations
 441          * and thus we can not wildcard the vendor.
 442          *
 443          * _OSI(Linux) helps sound
 444          * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
 445          * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
 446          * _OSI(Linux) is a NOP:
 447          * DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
 448          */
 449         {
 450         .callback = dmi_enable_osi_linux,
 451         .ident = "Lenovo ThinkPad R61",
 452         .matches = {
 453                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 454                      DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
 455                 },
 456         },
 457         {
 458         .callback = dmi_enable_osi_linux,
 459         .ident = "Lenovo ThinkPad T61",
 460         .matches = {
 461                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 462                      DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
 463                 },
 464         },
 465         {
 466         .callback = dmi_unknown_osi_linux,
 467         .ident = "Lenovo 3000 V100",
 468         .matches = {
 469                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 470                      DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"),
 471                 },
 472         },
 473         {
 474         .callback = dmi_disable_osi_linux,
 475         .ident = "Lenovo 3000 N100",
 476         .matches = {
 477                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 478                      DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
 479                 },
 480         },
 481         /*
 482          * Disable OSI(Linux) warnings on all "LG Electronics"
 483          *
 484          * _OSI(Linux) confirmed to be a NOP:
 485          * DMI_MATCH(DMI_PRODUCT_NAME, "P1-J150B"),
 486          * with DMI_MATCH(DMI_BOARD_NAME, "ROCKY"),
 487          *
 488          * unknown:
 489          * DMI_MATCH(DMI_PRODUCT_NAME, "S1-MDGDG"),
 490          * with DMI_MATCH(DMI_BOARD_NAME, "ROCKY"),
 491          */
 492         {
 493         .callback = dmi_disable_osi_linux,
 494         .ident = "LG",
 495         .matches = {
 496                      DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"),
 497                 },
 498         },
 499         /* NEC - OSI(Linux) effect unknown */
 500         {
 501         .callback = dmi_unknown_osi_linux,
 502         .ident = "NEC VERSA M360",
 503         .matches = {
 504                      DMI_MATCH(DMI_SYS_VENDOR, "NEC Computers SAS"),
 505                      DMI_MATCH(DMI_PRODUCT_NAME, "NEC VERSA M360"),
 506                 },
 507         },
 508         /*
 509          * Disable OSI(Linux) warnings on all "Samsung Electronics"
 510          *
 511          * OSI(Linux) disables PNP0C32 and other BIOS code for Windows:
 512          * DMI_MATCH(DMI_PRODUCT_NAME, "R40P/R41P"),
 513          * DMI_MATCH(DMI_PRODUCT_NAME, "R59P/R60P/R61P"),
 514          */
 515         {
 516         .callback = dmi_disable_osi_linux,
 517         .ident = "Samsung",
 518         .matches = {
 519                      DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
 520                 },
 521         },
 522         /*
 523          * Disable OSI(Linux) warnings on all "Sony Corporation"
 524          *
 525          * _OSI(Linux) is a NOP:
 526          * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SZ650N"),
 527          * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SZ38GP_C"),
 528          * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-TZ21MN_N"),
 529          * _OSI(Linux) unknown effect:
 530          * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ11M"),
 531          */
 532         {
 533         .callback = dmi_disable_osi_linux,
 534         .ident = "Sony",
 535         .matches = {
 536                      DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 537                 },
 538         },
 539         /*
 540          * Disable OSI(Linux) warnings on all "TOSHIBA"
 541          *
 542          * _OSI(Linux) breaks sound (bugzilla 7787):
 543          * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P100"),
 544          * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P105"),
 545          * _OSI(Linux) is a NOP:
 546          * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A100"),
 547          * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A210"),
 548          * _OSI(Linux) unknown effect:
 549          * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A135"),
 550          * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A200"),
 551          * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P205"),
 552          * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite U305"),
 553          */
 554         {
 555         .callback = dmi_disable_osi_linux,
 556         .ident = "Toshiba",
 557         .matches = {
 558                      DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 559                 },
 560         },
 561         {}
 562 };
 563
 564 #endif /* CONFIG_DMI */