Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Module Name: evrgnini- ACPI address_space (op_region) init |
| 4 | * |
| 5 | *****************************************************************************/ |
| 6 | |
| 7 | /* |
| 8 | * Copyright (C) 2000 - 2005, R. Byron Moore |
| 9 | * All rights reserved. |
| 10 | * |
| 11 | * Redistribution and use in source and binary forms, with or without |
| 12 | * modification, are permitted provided that the following conditions |
| 13 | * are met: |
| 14 | * 1. Redistributions of source code must retain the above copyright |
| 15 | * notice, this list of conditions, and the following disclaimer, |
| 16 | * without modification. |
| 17 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer |
| 18 | * substantially similar to the "NO WARRANTY" disclaimer below |
| 19 | * ("Disclaimer") and any redistribution must be conditioned upon |
| 20 | * including a substantially similar Disclaimer requirement for further |
| 21 | * binary redistribution. |
| 22 | * 3. Neither the names of the above-listed copyright holders nor the names |
| 23 | * of any contributors may be used to endorse or promote products derived |
| 24 | * from this software without specific prior written permission. |
| 25 | * |
| 26 | * Alternatively, this software may be distributed under the terms of the |
| 27 | * GNU General Public License ("GPL") version 2 as published by the Free |
| 28 | * Software Foundation. |
| 29 | * |
| 30 | * NO WARRANTY |
| 31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 32 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 33 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR |
| 34 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 35 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 39 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| 40 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 41 | * POSSIBILITY OF SUCH DAMAGES. |
| 42 | */ |
| 43 | |
| 44 | |
| 45 | #include <acpi/acpi.h> |
| 46 | #include <acpi/acevents.h> |
| 47 | #include <acpi/acnamesp.h> |
| 48 | |
| 49 | #define _COMPONENT ACPI_EVENTS |
| 50 | ACPI_MODULE_NAME ("evrgnini") |
| 51 | |
| 52 | |
| 53 | /******************************************************************************* |
| 54 | * |
| 55 | * FUNCTION: acpi_ev_system_memory_region_setup |
| 56 | * |
| 57 | * PARAMETERS: Handle - Region we are interested in |
| 58 | * Function - Start or stop |
| 59 | * handler_context - Address space handler context |
| 60 | * region_context - Region specific context |
| 61 | * |
| 62 | * RETURN: Status |
| 63 | * |
| 64 | * DESCRIPTION: Do any prep work for region handling, a nop for now |
| 65 | * |
| 66 | ******************************************************************************/ |
| 67 | |
| 68 | acpi_status |
| 69 | acpi_ev_system_memory_region_setup ( |
| 70 | acpi_handle handle, |
| 71 | u32 function, |
| 72 | void *handler_context, |
| 73 | void **region_context) |
| 74 | { |
| 75 | union acpi_operand_object *region_desc = (union acpi_operand_object *) handle; |
| 76 | struct acpi_mem_space_context *local_region_context; |
| 77 | |
| 78 | |
| 79 | ACPI_FUNCTION_TRACE ("ev_system_memory_region_setup"); |
| 80 | |
| 81 | |
| 82 | if (function == ACPI_REGION_DEACTIVATE) { |
| 83 | if (*region_context) { |
| 84 | ACPI_MEM_FREE (*region_context); |
| 85 | *region_context = NULL; |
| 86 | } |
| 87 | return_ACPI_STATUS (AE_OK); |
| 88 | } |
| 89 | |
| 90 | /* Create a new context */ |
| 91 | |
| 92 | local_region_context = ACPI_MEM_CALLOCATE (sizeof (struct acpi_mem_space_context)); |
| 93 | if (!(local_region_context)) { |
| 94 | return_ACPI_STATUS (AE_NO_MEMORY); |
| 95 | } |
| 96 | |
| 97 | /* Save the region length and address for use in the handler */ |
| 98 | |
| 99 | local_region_context->length = region_desc->region.length; |
| 100 | local_region_context->address = region_desc->region.address; |
| 101 | |
| 102 | *region_context = local_region_context; |
| 103 | return_ACPI_STATUS (AE_OK); |
| 104 | } |
| 105 | |
| 106 | |
| 107 | /******************************************************************************* |
| 108 | * |
| 109 | * FUNCTION: acpi_ev_io_space_region_setup |
| 110 | * |
| 111 | * PARAMETERS: Handle - Region we are interested in |
| 112 | * Function - Start or stop |
| 113 | * handler_context - Address space handler context |
| 114 | * region_context - Region specific context |
| 115 | * |
| 116 | * RETURN: Status |
| 117 | * |
| 118 | * DESCRIPTION: Do any prep work for region handling |
| 119 | * |
| 120 | ******************************************************************************/ |
| 121 | |
| 122 | acpi_status |
| 123 | acpi_ev_io_space_region_setup ( |
| 124 | acpi_handle handle, |
| 125 | u32 function, |
| 126 | void *handler_context, |
| 127 | void **region_context) |
| 128 | { |
| 129 | ACPI_FUNCTION_TRACE ("ev_io_space_region_setup"); |
| 130 | |
| 131 | |
| 132 | if (function == ACPI_REGION_DEACTIVATE) { |
| 133 | *region_context = NULL; |
| 134 | } |
| 135 | else { |
| 136 | *region_context = handler_context; |
| 137 | } |
| 138 | |
| 139 | return_ACPI_STATUS (AE_OK); |
| 140 | } |
| 141 | |
| 142 | |
| 143 | /******************************************************************************* |
| 144 | * |
| 145 | * FUNCTION: acpi_ev_pci_config_region_setup |
| 146 | * |
| 147 | * PARAMETERS: Handle - Region we are interested in |
| 148 | * Function - Start or stop |
| 149 | * handler_context - Address space handler context |
| 150 | * region_context - Region specific context |
| 151 | * |
| 152 | * RETURN: Status |
| 153 | * |
| 154 | * DESCRIPTION: Do any prep work for region handling |
| 155 | * |
| 156 | * MUTEX: Assumes namespace is not locked |
| 157 | * |
| 158 | ******************************************************************************/ |
| 159 | |
| 160 | acpi_status |
| 161 | acpi_ev_pci_config_region_setup ( |
| 162 | acpi_handle handle, |
| 163 | u32 function, |
| 164 | void *handler_context, |
| 165 | void **region_context) |
| 166 | { |
| 167 | acpi_status status = AE_OK; |
| 168 | acpi_integer pci_value; |
| 169 | struct acpi_pci_id *pci_id = *region_context; |
| 170 | union acpi_operand_object *handler_obj; |
| 171 | struct acpi_namespace_node *parent_node; |
| 172 | struct acpi_namespace_node *pci_root_node; |
| 173 | union acpi_operand_object *region_obj = (union acpi_operand_object *) handle; |
| 174 | struct acpi_device_id object_hID; |
| 175 | |
| 176 | |
| 177 | ACPI_FUNCTION_TRACE ("ev_pci_config_region_setup"); |
| 178 | |
| 179 | |
| 180 | handler_obj = region_obj->region.handler; |
| 181 | if (!handler_obj) { |
| 182 | /* |
| 183 | * No installed handler. This shouldn't happen because the dispatch |
| 184 | * routine checks before we get here, but we check again just in case. |
| 185 | */ |
| 186 | ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION, |
| 187 | "Attempting to init a region %p, with no handler\n", region_obj)); |
| 188 | return_ACPI_STATUS (AE_NOT_EXIST); |
| 189 | } |
| 190 | |
| 191 | *region_context = NULL; |
| 192 | if (function == ACPI_REGION_DEACTIVATE) { |
| 193 | if (pci_id) { |
| 194 | ACPI_MEM_FREE (pci_id); |
| 195 | } |
| 196 | return_ACPI_STATUS (status); |
| 197 | } |
| 198 | |
| 199 | parent_node = acpi_ns_get_parent_node (region_obj->region.node); |
| 200 | |
| 201 | /* |
| 202 | * Get the _SEG and _BBN values from the device upon which the handler |
| 203 | * is installed. |
| 204 | * |
| 205 | * We need to get the _SEG and _BBN objects relative to the PCI BUS device. |
| 206 | * This is the device the handler has been registered to handle. |
| 207 | */ |
| 208 | |
| 209 | /* |
| 210 | * If the address_space.Node is still pointing to the root, we need |
| 211 | * to scan upward for a PCI Root bridge and re-associate the op_region |
| 212 | * handlers with that device. |
| 213 | */ |
| 214 | if (handler_obj->address_space.node == acpi_gbl_root_node) { |
| 215 | /* Start search from the parent object */ |
| 216 | |
| 217 | pci_root_node = parent_node; |
| 218 | while (pci_root_node != acpi_gbl_root_node) { |
| 219 | status = acpi_ut_execute_HID (pci_root_node, &object_hID); |
| 220 | if (ACPI_SUCCESS (status)) { |
| 221 | /* Got a valid _HID, check if this is a PCI root */ |
| 222 | |
| 223 | if (!(ACPI_STRNCMP (object_hID.value, PCI_ROOT_HID_STRING, |
| 224 | sizeof (PCI_ROOT_HID_STRING)))) { |
| 225 | /* Install a handler for this PCI root bridge */ |
| 226 | |
| 227 | status = acpi_install_address_space_handler ((acpi_handle) pci_root_node, |
| 228 | ACPI_ADR_SPACE_PCI_CONFIG, |
| 229 | ACPI_DEFAULT_HANDLER, NULL, NULL); |
| 230 | if (ACPI_FAILURE (status)) { |
| 231 | if (status == AE_SAME_HANDLER) { |
| 232 | /* |
| 233 | * It is OK if the handler is already installed on the root |
| 234 | * bridge. Still need to return a context object for the |
| 235 | * new PCI_Config operation region, however. |
| 236 | */ |
| 237 | status = AE_OK; |
| 238 | } |
| 239 | else { |
| 240 | ACPI_REPORT_ERROR (( |
| 241 | "Could not install pci_config handler for Root Bridge %4.4s, %s\n", |
| 242 | acpi_ut_get_node_name (pci_root_node), acpi_format_exception (status))); |
| 243 | } |
| 244 | } |
| 245 | break; |
| 246 | } |
| 247 | } |
| 248 | |
| 249 | pci_root_node = acpi_ns_get_parent_node (pci_root_node); |
| 250 | } |
| 251 | |
| 252 | /* PCI root bridge not found, use namespace root node */ |
| 253 | } |
| 254 | else { |
| 255 | pci_root_node = handler_obj->address_space.node; |
| 256 | } |
| 257 | |
| 258 | /* |
| 259 | * If this region is now initialized, we are done. |
| 260 | * (install_address_space_handler could have initialized it) |
| 261 | */ |
| 262 | if (region_obj->region.flags & AOPOBJ_SETUP_COMPLETE) { |
| 263 | return_ACPI_STATUS (AE_OK); |
| 264 | } |
| 265 | |
| 266 | /* Region is still not initialized. Create a new context */ |
| 267 | |
| 268 | pci_id = ACPI_MEM_CALLOCATE (sizeof (struct acpi_pci_id)); |
| 269 | if (!pci_id) { |
| 270 | return_ACPI_STATUS (AE_NO_MEMORY); |
| 271 | } |
| 272 | |
| 273 | /* |
| 274 | * For PCI_Config space access, we need the segment, bus, |
| 275 | * device and function numbers. Acquire them here. |
| 276 | */ |
| 277 | |
| 278 | /* |
| 279 | * Get the PCI device and function numbers from the _ADR object |
| 280 | * contained in the parent's scope. |
| 281 | */ |
| 282 | status = acpi_ut_evaluate_numeric_object (METHOD_NAME__ADR, parent_node, &pci_value); |
| 283 | |
| 284 | /* |
| 285 | * The default is zero, and since the allocation above zeroed |
| 286 | * the data, just do nothing on failure. |
| 287 | */ |
| 288 | if (ACPI_SUCCESS (status)) { |
| 289 | pci_id->device = ACPI_HIWORD (ACPI_LODWORD (pci_value)); |
| 290 | pci_id->function = ACPI_LOWORD (ACPI_LODWORD (pci_value)); |
| 291 | } |
| 292 | |
| 293 | /* The PCI segment number comes from the _SEG method */ |
| 294 | |
| 295 | status = acpi_ut_evaluate_numeric_object (METHOD_NAME__SEG, pci_root_node, &pci_value); |
| 296 | if (ACPI_SUCCESS (status)) { |
| 297 | pci_id->segment = ACPI_LOWORD (pci_value); |
| 298 | } |
| 299 | |
| 300 | /* The PCI bus number comes from the _BBN method */ |
| 301 | |
| 302 | status = acpi_ut_evaluate_numeric_object (METHOD_NAME__BBN, pci_root_node, &pci_value); |
| 303 | if (ACPI_SUCCESS (status)) { |
| 304 | pci_id->bus = ACPI_LOWORD (pci_value); |
| 305 | } |
| 306 | |
| 307 | /* Complete this device's pci_id */ |
| 308 | |
| 309 | acpi_os_derive_pci_id (pci_root_node, region_obj->region.node, &pci_id); |
| 310 | |
| 311 | *region_context = pci_id; |
| 312 | return_ACPI_STATUS (AE_OK); |
| 313 | } |
| 314 | |
| 315 | |
| 316 | /******************************************************************************* |
| 317 | * |
| 318 | * FUNCTION: acpi_ev_pci_bar_region_setup |
| 319 | * |
| 320 | * PARAMETERS: Handle - Region we are interested in |
| 321 | * Function - Start or stop |
| 322 | * handler_context - Address space handler context |
| 323 | * region_context - Region specific context |
| 324 | * |
| 325 | * RETURN: Status |
| 326 | * |
| 327 | * DESCRIPTION: Do any prep work for region handling |
| 328 | * |
| 329 | * MUTEX: Assumes namespace is not locked |
| 330 | * |
| 331 | ******************************************************************************/ |
| 332 | |
| 333 | acpi_status |
| 334 | acpi_ev_pci_bar_region_setup ( |
| 335 | acpi_handle handle, |
| 336 | u32 function, |
| 337 | void *handler_context, |
| 338 | void **region_context) |
| 339 | { |
| 340 | ACPI_FUNCTION_TRACE ("ev_pci_bar_region_setup"); |
| 341 | |
| 342 | |
| 343 | return_ACPI_STATUS (AE_OK); |
| 344 | } |
| 345 | |
| 346 | |
| 347 | /******************************************************************************* |
| 348 | * |
| 349 | * FUNCTION: acpi_ev_cmos_region_setup |
| 350 | * |
| 351 | * PARAMETERS: Handle - Region we are interested in |
| 352 | * Function - Start or stop |
| 353 | * handler_context - Address space handler context |
| 354 | * region_context - Region specific context |
| 355 | * |
| 356 | * RETURN: Status |
| 357 | * |
| 358 | * DESCRIPTION: Do any prep work for region handling |
| 359 | * |
| 360 | * MUTEX: Assumes namespace is not locked |
| 361 | * |
| 362 | ******************************************************************************/ |
| 363 | |
| 364 | acpi_status |
| 365 | acpi_ev_cmos_region_setup ( |
| 366 | acpi_handle handle, |
| 367 | u32 function, |
| 368 | void *handler_context, |
| 369 | void **region_context) |
| 370 | { |
| 371 | ACPI_FUNCTION_TRACE ("ev_cmos_region_setup"); |
| 372 | |
| 373 | |
| 374 | return_ACPI_STATUS (AE_OK); |
| 375 | } |
| 376 | |
| 377 | |
| 378 | /******************************************************************************* |
| 379 | * |
| 380 | * FUNCTION: acpi_ev_default_region_setup |
| 381 | * |
| 382 | * PARAMETERS: Handle - Region we are interested in |
| 383 | * Function - Start or stop |
| 384 | * handler_context - Address space handler context |
| 385 | * region_context - Region specific context |
| 386 | * |
| 387 | * RETURN: Status |
| 388 | * |
| 389 | * DESCRIPTION: Do any prep work for region handling |
| 390 | * |
| 391 | ******************************************************************************/ |
| 392 | |
| 393 | acpi_status |
| 394 | acpi_ev_default_region_setup ( |
| 395 | acpi_handle handle, |
| 396 | u32 function, |
| 397 | void *handler_context, |
| 398 | void **region_context) |
| 399 | { |
| 400 | ACPI_FUNCTION_TRACE ("ev_default_region_setup"); |
| 401 | |
| 402 | |
| 403 | if (function == ACPI_REGION_DEACTIVATE) { |
| 404 | *region_context = NULL; |
| 405 | } |
| 406 | else { |
| 407 | *region_context = handler_context; |
| 408 | } |
| 409 | |
| 410 | return_ACPI_STATUS (AE_OK); |
| 411 | } |
| 412 | |
| 413 | |
| 414 | /******************************************************************************* |
| 415 | * |
| 416 | * FUNCTION: acpi_ev_initialize_region |
| 417 | * |
| 418 | * PARAMETERS: region_obj - Region we are initializing |
| 419 | * acpi_ns_locked - Is namespace locked? |
| 420 | * |
| 421 | * RETURN: Status |
| 422 | * |
| 423 | * DESCRIPTION: Initializes the region, finds any _REG methods and saves them |
| 424 | * for execution at a later time |
| 425 | * |
| 426 | * Get the appropriate address space handler for a newly |
| 427 | * created region. |
| 428 | * |
| 429 | * This also performs address space specific initialization. For |
| 430 | * example, PCI regions must have an _ADR object that contains |
| 431 | * a PCI address in the scope of the definition. This address is |
| 432 | * required to perform an access to PCI config space. |
| 433 | * |
| 434 | ******************************************************************************/ |
| 435 | |
| 436 | acpi_status |
| 437 | acpi_ev_initialize_region ( |
| 438 | union acpi_operand_object *region_obj, |
| 439 | u8 acpi_ns_locked) |
| 440 | { |
| 441 | union acpi_operand_object *handler_obj; |
| 442 | union acpi_operand_object *obj_desc; |
| 443 | acpi_adr_space_type space_id; |
| 444 | struct acpi_namespace_node *node; |
| 445 | acpi_status status; |
| 446 | struct acpi_namespace_node *method_node; |
| 447 | acpi_name *reg_name_ptr = (acpi_name *) METHOD_NAME__REG; |
| 448 | union acpi_operand_object *region_obj2; |
| 449 | |
| 450 | |
| 451 | ACPI_FUNCTION_TRACE_U32 ("ev_initialize_region", acpi_ns_locked); |
| 452 | |
| 453 | |
| 454 | if (!region_obj) { |
| 455 | return_ACPI_STATUS (AE_BAD_PARAMETER); |
| 456 | } |
| 457 | |
| 458 | if (region_obj->common.flags & AOPOBJ_OBJECT_INITIALIZED) { |
| 459 | return_ACPI_STATUS (AE_OK); |
| 460 | } |
| 461 | |
| 462 | region_obj2 = acpi_ns_get_secondary_object (region_obj); |
| 463 | if (!region_obj2) { |
| 464 | return_ACPI_STATUS (AE_NOT_EXIST); |
| 465 | } |
| 466 | |
| 467 | node = acpi_ns_get_parent_node (region_obj->region.node); |
| 468 | space_id = region_obj->region.space_id; |
| 469 | |
| 470 | /* Setup defaults */ |
| 471 | |
| 472 | region_obj->region.handler = NULL; |
| 473 | region_obj2->extra.method_REG = NULL; |
| 474 | region_obj->common.flags &= ~(AOPOBJ_SETUP_COMPLETE); |
| 475 | region_obj->common.flags |= AOPOBJ_OBJECT_INITIALIZED; |
| 476 | |
| 477 | /* Find any "_REG" method associated with this region definition */ |
| 478 | |
| 479 | status = acpi_ns_search_node (*reg_name_ptr, node, |
| 480 | ACPI_TYPE_METHOD, &method_node); |
| 481 | if (ACPI_SUCCESS (status)) { |
| 482 | /* |
| 483 | * The _REG method is optional and there can be only one per region |
| 484 | * definition. This will be executed when the handler is attached |
| 485 | * or removed |
| 486 | */ |
| 487 | region_obj2->extra.method_REG = method_node; |
| 488 | } |
| 489 | |
| 490 | /* |
| 491 | * The following loop depends upon the root Node having no parent |
| 492 | * ie: acpi_gbl_root_node->parent_entry being set to NULL |
| 493 | */ |
| 494 | while (node) { |
| 495 | /* Check to see if a handler exists */ |
| 496 | |
| 497 | handler_obj = NULL; |
| 498 | obj_desc = acpi_ns_get_attached_object (node); |
| 499 | if (obj_desc) { |
| 500 | /* Can only be a handler if the object exists */ |
| 501 | |
| 502 | switch (node->type) { |
| 503 | case ACPI_TYPE_DEVICE: |
| 504 | |
| 505 | handler_obj = obj_desc->device.handler; |
| 506 | break; |
| 507 | |
| 508 | case ACPI_TYPE_PROCESSOR: |
| 509 | |
| 510 | handler_obj = obj_desc->processor.handler; |
| 511 | break; |
| 512 | |
| 513 | case ACPI_TYPE_THERMAL: |
| 514 | |
| 515 | handler_obj = obj_desc->thermal_zone.handler; |
| 516 | break; |
| 517 | |
| 518 | default: |
| 519 | /* Ignore other objects */ |
| 520 | break; |
| 521 | } |
| 522 | |
| 523 | while (handler_obj) { |
| 524 | /* Is this handler of the correct type? */ |
| 525 | |
| 526 | if (handler_obj->address_space.space_id == space_id) { |
| 527 | /* Found correct handler */ |
| 528 | |
| 529 | ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION, |
| 530 | "Found handler %p for region %p in obj %p\n", |
| 531 | handler_obj, region_obj, obj_desc)); |
| 532 | |
| 533 | status = acpi_ev_attach_region (handler_obj, region_obj, |
| 534 | acpi_ns_locked); |
| 535 | |
| 536 | /* |
| 537 | * Tell all users that this region is usable by running the _REG |
| 538 | * method |
| 539 | */ |
| 540 | if (acpi_ns_locked) { |
| 541 | status = acpi_ut_release_mutex (ACPI_MTX_NAMESPACE); |
| 542 | if (ACPI_FAILURE (status)) { |
| 543 | return_ACPI_STATUS (status); |
| 544 | } |
| 545 | } |
| 546 | |
| 547 | status = acpi_ev_execute_reg_method (region_obj, 1); |
| 548 | |
| 549 | if (acpi_ns_locked) { |
| 550 | status = acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE); |
| 551 | if (ACPI_FAILURE (status)) { |
| 552 | return_ACPI_STATUS (status); |
| 553 | } |
| 554 | } |
| 555 | |
| 556 | return_ACPI_STATUS (AE_OK); |
| 557 | } |
| 558 | |
| 559 | /* Try next handler in the list */ |
| 560 | |
| 561 | handler_obj = handler_obj->address_space.next; |
| 562 | } |
| 563 | } |
| 564 | |
| 565 | /* |
| 566 | * This node does not have the handler we need; |
| 567 | * Pop up one level |
| 568 | */ |
| 569 | node = acpi_ns_get_parent_node (node); |
| 570 | } |
| 571 | |
| 572 | /* If we get here, there is no handler for this region */ |
| 573 | |
| 574 | ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION, |
| 575 | "No handler for region_type %s(%X) (region_obj %p)\n", |
| 576 | acpi_ut_get_region_name (space_id), space_id, region_obj)); |
| 577 | |
| 578 | return_ACPI_STATUS (AE_NOT_EXIST); |
| 579 | } |
| 580 | |