nsinit.c revision 193251
1/****************************************************************************** 2 * 3 * Module Name: nsinit - namespace initialization 4 * $Revision: 1.86 $ 5 * 6 *****************************************************************************/ 7 8/****************************************************************************** 9 * 10 * 1. Copyright Notice 11 * 12 * Some or all of this work - Copyright (c) 1999 - 2007, Intel Corp. 13 * All rights reserved. 14 * 15 * 2. License 16 * 17 * 2.1. This is your license from Intel Corp. under its intellectual property 18 * rights. You may have additional license terms from the party that provided 19 * you this software, covering your right to use that party's intellectual 20 * property rights. 21 * 22 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 23 * copy of the source code appearing in this file ("Covered Code") an 24 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 25 * base code distributed originally by Intel ("Original Intel Code") to copy, 26 * make derivatives, distribute, use and display any portion of the Covered 27 * Code in any form, with the right to sublicense such rights; and 28 * 29 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 30 * license (with the right to sublicense), under only those claims of Intel 31 * patents that are infringed by the Original Intel Code, to make, use, sell, 32 * offer to sell, and import the Covered Code and derivative works thereof 33 * solely to the minimum extent necessary to exercise the above copyright 34 * license, and in no event shall the patent license extend to any additions 35 * to or modifications of the Original Intel Code. No other license or right 36 * is granted directly or by implication, estoppel or otherwise; 37 * 38 * The above copyright and patent license is granted only if the following 39 * conditions are met: 40 * 41 * 3. Conditions 42 * 43 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 44 * Redistribution of source code of any substantial portion of the Covered 45 * Code or modification with rights to further distribute source must include 46 * the above Copyright Notice, the above License, this list of Conditions, 47 * and the following Disclaimer and Export Compliance provision. In addition, 48 * Licensee must cause all Covered Code to which Licensee contributes to 49 * contain a file documenting the changes Licensee made to create that Covered 50 * Code and the date of any change. Licensee must include in that file the 51 * documentation of any changes made by any predecessor Licensee. Licensee 52 * must include a prominent statement that the modification is derived, 53 * directly or indirectly, from Original Intel Code. 54 * 55 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 56 * Redistribution of source code of any substantial portion of the Covered 57 * Code or modification without rights to further distribute source must 58 * include the following Disclaimer and Export Compliance provision in the 59 * documentation and/or other materials provided with distribution. In 60 * addition, Licensee may not authorize further sublicense of source of any 61 * portion of the Covered Code, and must include terms to the effect that the 62 * license from Licensee to its licensee is limited to the intellectual 63 * property embodied in the software Licensee provides to its licensee, and 64 * not to intellectual property embodied in modifications its licensee may 65 * make. 66 * 67 * 3.3. Redistribution of Executable. Redistribution in executable form of any 68 * substantial portion of the Covered Code or modification must reproduce the 69 * above Copyright Notice, and the following Disclaimer and Export Compliance 70 * provision in the documentation and/or other materials provided with the 71 * distribution. 72 * 73 * 3.4. Intel retains all right, title, and interest in and to the Original 74 * Intel Code. 75 * 76 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 77 * Intel shall be used in advertising or otherwise to promote the sale, use or 78 * other dealings in products derived from or relating to the Covered Code 79 * without prior written authorization from Intel. 80 * 81 * 4. Disclaimer and Export Compliance 82 * 83 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 84 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 85 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 86 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 87 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 88 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 89 * PARTICULAR PURPOSE. 90 * 91 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 92 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 98 * LIMITED REMEDY. 99 * 100 * 4.3. Licensee shall not export, either directly or indirectly, any of this 101 * software or system incorporating such software without first obtaining any 102 * required license or other approval from the U. S. Department of Commerce or 103 * any other agency or department of the United States Government. In the 104 * event Licensee exports any such software from the United States or 105 * re-exports any such software from a foreign destination, Licensee shall 106 * ensure that the distribution and export/re-export of the software is in 107 * compliance with all laws, regulations, orders, or other restrictions of the 108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 109 * any of its subsidiaries will export/re-export any technical data, process, 110 * software, or service, directly or indirectly, to any country for which the 111 * United States government or any agency thereof requires an export license, 112 * other governmental approval, or letter of assurance, without first obtaining 113 * such license, approval or letter. 114 * 115 *****************************************************************************/ 116 117 118#define __NSXFINIT_C__ 119 120#include "acpi.h" 121#include "acnamesp.h" 122#include "acdispat.h" 123#include "acinterp.h" 124 125#define _COMPONENT ACPI_NAMESPACE 126 ACPI_MODULE_NAME ("nsinit") 127 128/* Local prototypes */ 129 130static ACPI_STATUS 131AcpiNsInitOneObject ( 132 ACPI_HANDLE ObjHandle, 133 UINT32 Level, 134 void *Context, 135 void **ReturnValue); 136 137static ACPI_STATUS 138AcpiNsInitOneDevice ( 139 ACPI_HANDLE ObjHandle, 140 UINT32 NestingLevel, 141 void *Context, 142 void **ReturnValue); 143 144static ACPI_STATUS 145AcpiNsFindIniMethods ( 146 ACPI_HANDLE ObjHandle, 147 UINT32 NestingLevel, 148 void *Context, 149 void **ReturnValue); 150 151 152/******************************************************************************* 153 * 154 * FUNCTION: AcpiNsInitializeObjects 155 * 156 * PARAMETERS: None 157 * 158 * RETURN: Status 159 * 160 * DESCRIPTION: Walk the entire namespace and perform any necessary 161 * initialization on the objects found therein 162 * 163 ******************************************************************************/ 164 165ACPI_STATUS 166AcpiNsInitializeObjects ( 167 void) 168{ 169 ACPI_STATUS Status; 170 ACPI_INIT_WALK_INFO Info; 171 172 173 ACPI_FUNCTION_TRACE (NsInitializeObjects); 174 175 176 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 177 "**** Starting initialization of namespace objects ****\n")); 178 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, 179 "Completing Region/Field/Buffer/Package initialization:")); 180 181 /* Set all init info to zero */ 182 183 ACPI_MEMSET (&Info, 0, sizeof (ACPI_INIT_WALK_INFO)); 184 185 /* Walk entire namespace from the supplied root */ 186 187 Status = AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, 188 ACPI_UINT32_MAX, AcpiNsInitOneObject, 189 &Info, NULL); 190 if (ACPI_FAILURE (Status)) 191 { 192 ACPI_EXCEPTION ((AE_INFO, Status, "During WalkNamespace")); 193 } 194 195 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, 196 "\nInitialized %hd/%hd Regions %hd/%hd Fields %hd/%hd Buffers %hd/%hd Packages (%hd nodes)\n", 197 Info.OpRegionInit, Info.OpRegionCount, 198 Info.FieldInit, Info.FieldCount, 199 Info.BufferInit, Info.BufferCount, 200 Info.PackageInit, Info.PackageCount, Info.ObjectCount)); 201 202 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 203 "%hd Control Methods found\n", Info.MethodCount)); 204 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 205 "%hd Op Regions found\n", Info.OpRegionCount)); 206 207 return_ACPI_STATUS (AE_OK); 208} 209 210 211/******************************************************************************* 212 * 213 * FUNCTION: AcpiNsInitializeDevices 214 * 215 * PARAMETERS: None 216 * 217 * RETURN: ACPI_STATUS 218 * 219 * DESCRIPTION: Walk the entire namespace and initialize all ACPI devices. 220 * This means running _INI on all present devices. 221 * 222 * Note: We install PCI config space handler on region access, 223 * not here. 224 * 225 ******************************************************************************/ 226 227ACPI_STATUS 228AcpiNsInitializeDevices ( 229 void) 230{ 231 ACPI_STATUS Status; 232 ACPI_DEVICE_WALK_INFO Info; 233 234 235 ACPI_FUNCTION_TRACE (NsInitializeDevices); 236 237 238 /* Init counters */ 239 240 Info.DeviceCount = 0; 241 Info.Num_STA = 0; 242 Info.Num_INI = 0; 243 244 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, 245 "Initializing Device/Processor/Thermal objects by executing _INI methods:")); 246 247 /* Tree analysis: find all subtrees that contain _INI methods */ 248 249 Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, 250 ACPI_UINT32_MAX, FALSE, AcpiNsFindIniMethods, &Info, NULL); 251 if (ACPI_FAILURE (Status)) 252 { 253 goto ErrorExit; 254 } 255 256 /* Allocate the evaluation information block */ 257 258 Info.EvaluateInfo = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EVALUATE_INFO)); 259 if (!Info.EvaluateInfo) 260 { 261 Status = AE_NO_MEMORY; 262 goto ErrorExit; 263 } 264 265 /* Walk namespace to execute all _INIs on present devices */ 266 267 Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, 268 ACPI_UINT32_MAX, FALSE, AcpiNsInitOneDevice, &Info, NULL); 269 270 ACPI_FREE (Info.EvaluateInfo); 271 if (ACPI_FAILURE (Status)) 272 { 273 goto ErrorExit; 274 } 275 276 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, 277 "\nExecuted %hd _INI methods requiring %hd _STA executions (examined %hd objects)\n", 278 Info.Num_INI, Info.Num_STA, Info.DeviceCount)); 279 280 return_ACPI_STATUS (Status); 281 282 283ErrorExit: 284 ACPI_EXCEPTION ((AE_INFO, Status, "During device initialization")); 285 return_ACPI_STATUS (Status); 286} 287 288 289/******************************************************************************* 290 * 291 * FUNCTION: AcpiNsInitOneObject 292 * 293 * PARAMETERS: ObjHandle - Node 294 * Level - Current nesting level 295 * Context - Points to a init info struct 296 * ReturnValue - Not used 297 * 298 * RETURN: Status 299 * 300 * DESCRIPTION: Callback from AcpiWalkNamespace. Invoked for every object 301 * within the namespace. 302 * 303 * Currently, the only objects that require initialization are: 304 * 1) Methods 305 * 2) Op Regions 306 * 307 ******************************************************************************/ 308 309static ACPI_STATUS 310AcpiNsInitOneObject ( 311 ACPI_HANDLE ObjHandle, 312 UINT32 Level, 313 void *Context, 314 void **ReturnValue) 315{ 316 ACPI_OBJECT_TYPE Type; 317 ACPI_STATUS Status = AE_OK; 318 ACPI_INIT_WALK_INFO *Info = (ACPI_INIT_WALK_INFO *) Context; 319 ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle; 320 ACPI_OPERAND_OBJECT *ObjDesc; 321 322 323 ACPI_FUNCTION_NAME (NsInitOneObject); 324 325 326 Info->ObjectCount++; 327 328 /* And even then, we are only interested in a few object types */ 329 330 Type = AcpiNsGetType (ObjHandle); 331 ObjDesc = AcpiNsGetAttachedObject (Node); 332 if (!ObjDesc) 333 { 334 return (AE_OK); 335 } 336 337 /* Increment counters for object types we are looking for */ 338 339 switch (Type) 340 { 341 case ACPI_TYPE_REGION: 342 Info->OpRegionCount++; 343 break; 344 345 case ACPI_TYPE_BUFFER_FIELD: 346 Info->FieldCount++; 347 break; 348 349 case ACPI_TYPE_BUFFER: 350 Info->BufferCount++; 351 break; 352 353 case ACPI_TYPE_PACKAGE: 354 Info->PackageCount++; 355 break; 356 357 default: 358 359 /* No init required, just exit now */ 360 return (AE_OK); 361 } 362 363 /* 364 * If the object is already initialized, nothing else to do 365 */ 366 if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID) 367 { 368 return (AE_OK); 369 } 370 371 /* 372 * Must lock the interpreter before executing AML code 373 */ 374 AcpiExEnterInterpreter (); 375 376 /* 377 * Each of these types can contain executable AML code within the 378 * declaration. 379 */ 380 switch (Type) 381 { 382 case ACPI_TYPE_REGION: 383 384 Info->OpRegionInit++; 385 Status = AcpiDsGetRegionArguments (ObjDesc); 386 break; 387 388 case ACPI_TYPE_BUFFER_FIELD: 389 390 Info->FieldInit++; 391 Status = AcpiDsGetBufferFieldArguments (ObjDesc); 392 break; 393 394 case ACPI_TYPE_BUFFER: 395 396 Info->BufferInit++; 397 Status = AcpiDsGetBufferArguments (ObjDesc); 398 break; 399 400 case ACPI_TYPE_PACKAGE: 401 402 Info->PackageInit++; 403 Status = AcpiDsGetPackageArguments (ObjDesc); 404 break; 405 406 default: 407 /* No other types can get here */ 408 break; 409 } 410 411 if (ACPI_FAILURE (Status)) 412 { 413 ACPI_EXCEPTION ((AE_INFO, Status, 414 "Could not execute arguments for [%4.4s] (%s)", 415 AcpiUtGetNodeName (Node), AcpiUtGetTypeName (Type))); 416 } 417 418 /* 419 * Print a dot for each object unless we are going to print the entire 420 * pathname 421 */ 422 if (!(AcpiDbgLevel & ACPI_LV_INIT_NAMES)) 423 { 424 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, ".")); 425 } 426 427 /* 428 * We ignore errors from above, and always return OK, since we don't want 429 * to abort the walk on any single error. 430 */ 431 AcpiExExitInterpreter (); 432 return (AE_OK); 433} 434 435 436/******************************************************************************* 437 * 438 * FUNCTION: AcpiNsFindIniMethods 439 * 440 * PARAMETERS: ACPI_WALK_CALLBACK 441 * 442 * RETURN: ACPI_STATUS 443 * 444 * DESCRIPTION: Called during namespace walk. Finds objects named _INI under 445 * device/processor/thermal objects, and marks the entire subtree 446 * with a SUBTREE_HAS_INI flag. This flag is used during the 447 * subsequent device initialization walk to avoid entire subtrees 448 * that do not contain an _INI. 449 * 450 ******************************************************************************/ 451 452static ACPI_STATUS 453AcpiNsFindIniMethods ( 454 ACPI_HANDLE ObjHandle, 455 UINT32 NestingLevel, 456 void *Context, 457 void **ReturnValue) 458{ 459 ACPI_DEVICE_WALK_INFO *Info = ACPI_CAST_PTR (ACPI_DEVICE_WALK_INFO, Context); 460 ACPI_NAMESPACE_NODE *Node; 461 ACPI_NAMESPACE_NODE *ParentNode; 462 463 464 /* Keep count of device/processor/thermal objects */ 465 466 Node = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, ObjHandle); 467 if ((Node->Type == ACPI_TYPE_DEVICE) || 468 (Node->Type == ACPI_TYPE_PROCESSOR) || 469 (Node->Type == ACPI_TYPE_THERMAL)) 470 { 471 Info->DeviceCount++; 472 return (AE_OK); 473 } 474 475 /* We are only looking for methods named _INI */ 476 477 if (!ACPI_COMPARE_NAME (Node->Name.Ascii, METHOD_NAME__INI)) 478 { 479 return (AE_OK); 480 } 481 482 /* 483 * The only _INI methods that we care about are those that are 484 * present under Device, Processor, and Thermal objects. 485 */ 486 ParentNode = AcpiNsGetParentNode (Node); 487 switch (ParentNode->Type) 488 { 489 case ACPI_TYPE_DEVICE: 490 case ACPI_TYPE_PROCESSOR: 491 case ACPI_TYPE_THERMAL: 492 493 /* Mark parent and bubble up the INI present flag to the root */ 494 495 while (ParentNode) 496 { 497 ParentNode->Flags |= ANOBJ_SUBTREE_HAS_INI; 498 ParentNode = AcpiNsGetParentNode (ParentNode); 499 } 500 break; 501 502 default: 503 break; 504 } 505 506 return (AE_OK); 507} 508 509 510/******************************************************************************* 511 * 512 * FUNCTION: AcpiNsInitOneDevice 513 * 514 * PARAMETERS: ACPI_WALK_CALLBACK 515 * 516 * RETURN: ACPI_STATUS 517 * 518 * DESCRIPTION: This is called once per device soon after ACPI is enabled 519 * to initialize each device. It determines if the device is 520 * present, and if so, calls _INI. 521 * 522 ******************************************************************************/ 523 524static ACPI_STATUS 525AcpiNsInitOneDevice ( 526 ACPI_HANDLE ObjHandle, 527 UINT32 NestingLevel, 528 void *Context, 529 void **ReturnValue) 530{ 531 ACPI_DEVICE_WALK_INFO *WalkInfo = ACPI_CAST_PTR (ACPI_DEVICE_WALK_INFO, Context); 532 ACPI_EVALUATE_INFO *Info = WalkInfo->EvaluateInfo; 533 UINT32 Flags; 534 ACPI_STATUS Status; 535 ACPI_NAMESPACE_NODE *DeviceNode; 536 537 538 ACPI_FUNCTION_TRACE (NsInitOneDevice); 539 540 541 /* We are interested in Devices, Processors and ThermalZones only */ 542 543 DeviceNode = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, ObjHandle); 544 if ((DeviceNode->Type != ACPI_TYPE_DEVICE) && 545 (DeviceNode->Type != ACPI_TYPE_PROCESSOR) && 546 (DeviceNode->Type != ACPI_TYPE_THERMAL)) 547 { 548 return_ACPI_STATUS (AE_OK); 549 } 550 551 /* 552 * Because of an earlier namespace analysis, all subtrees that contain an 553 * _INI method are tagged. 554 * 555 * If this device subtree does not contain any _INI methods, we 556 * can exit now and stop traversing this entire subtree. 557 */ 558 if (!(DeviceNode->Flags & ANOBJ_SUBTREE_HAS_INI)) 559 { 560 return_ACPI_STATUS (AE_CTRL_DEPTH); 561 } 562 563 /* 564 * Run _STA to determine if this device is present and functioning. We 565 * must know this information for two important reasons (from ACPI spec): 566 * 567 * 1) We can only run _INI if the device is present. 568 * 2) We must abort the device tree walk on this subtree if the device is 569 * not present and is not functional (we will not examine the children) 570 * 571 * The _STA method is not required to be present under the device, we 572 * assume the device is present if _STA does not exist. 573 */ 574 ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname ( 575 ACPI_TYPE_METHOD, DeviceNode, METHOD_NAME__STA)); 576 577 Status = AcpiUtExecute_STA (DeviceNode, &Flags); 578 if (ACPI_FAILURE (Status)) 579 { 580 /* Ignore error and move on to next device */ 581 582 return_ACPI_STATUS (AE_OK); 583 } 584 585 /* 586 * Flags == -1 means that _STA was not found. In this case, we assume that 587 * the device is both present and functional. 588 * 589 * From the ACPI spec, description of _STA: 590 * 591 * "If a device object (including the processor object) does not have an 592 * _STA object, then OSPM assumes that all of the above bits are set (in 593 * other words, the device is present, ..., and functioning)" 594 */ 595 if (Flags != ACPI_UINT32_MAX) 596 { 597 WalkInfo->Num_STA++; 598 } 599 600 /* 601 * Examine the PRESENT and FUNCTIONING status bits 602 * 603 * Note: ACPI spec does not seem to specify behavior for the present but 604 * not functioning case, so we assume functioning if present. 605 */ 606 if (!(Flags & ACPI_STA_DEVICE_PRESENT)) 607 { 608 /* Device is not present, we must examine the Functioning bit */ 609 610 if (Flags & ACPI_STA_DEVICE_FUNCTIONING) 611 { 612 /* 613 * Device is not present but is "functioning". In this case, 614 * we will not run _INI, but we continue to examine the children 615 * of this device. 616 * 617 * From the ACPI spec, description of _STA: (Note - no mention 618 * of whether to run _INI or not on the device in question) 619 * 620 * "_STA may return bit 0 clear (not present) with bit 3 set 621 * (device is functional). This case is used to indicate a valid 622 * device for which no device driver should be loaded (for example, 623 * a bridge device.) Children of this device may be present and 624 * valid. OSPM should continue enumeration below a device whose 625 * _STA returns this bit combination" 626 */ 627 return_ACPI_STATUS (AE_OK); 628 } 629 else 630 { 631 /* 632 * Device is not present and is not functioning. We must abort the 633 * walk of this subtree immediately -- don't look at the children 634 * of such a device. 635 * 636 * From the ACPI spec, description of _INI: 637 * 638 * "If the _STA method indicates that the device is not present, 639 * OSPM will not run the _INI and will not examine the children 640 * of the device for _INI methods" 641 */ 642 return_ACPI_STATUS (AE_CTRL_DEPTH); 643 } 644 } 645 646 /* 647 * The device is present or is assumed present if no _STA exists. 648 * Run the _INI if it exists (not required to exist) 649 * 650 * Note: We know there is an _INI within this subtree, but it may not be 651 * under this particular device, it may be lower in the branch. 652 */ 653 ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname ( 654 ACPI_TYPE_METHOD, DeviceNode, METHOD_NAME__INI)); 655 656 Info->PrefixNode = DeviceNode; 657 Info->Pathname = METHOD_NAME__INI; 658 Info->Parameters = NULL; 659 Info->ParameterType = ACPI_PARAM_ARGS; 660 Info->Flags = ACPI_IGNORE_RETURN_VALUE; 661 662 Status = AcpiNsEvaluate (Info); 663 if (ACPI_SUCCESS (Status)) 664 { 665 WalkInfo->Num_INI++; 666 667 if ((AcpiDbgLevel <= ACPI_LV_ALL_EXCEPTIONS) && 668 (!(AcpiDbgLevel & ACPI_LV_INFO))) 669 { 670 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, ".")); 671 } 672 } 673 674#ifdef ACPI_DEBUG_OUTPUT 675 else if (Status != AE_NOT_FOUND) 676 { 677 /* Ignore error and move on to next device */ 678 679 char *ScopeName = AcpiNsGetExternalPathname (Info->ResolvedNode); 680 681 ACPI_EXCEPTION ((AE_INFO, Status, "during %s._INI execution", 682 ScopeName)); 683 ACPI_FREE (ScopeName); 684 } 685#endif 686 687 /* Ignore errors from above */ 688 689 Status = AE_OK; 690 691 /* 692 * The _INI method has been run if present; call the Global Initialization 693 * Handler for this device. 694 */ 695 if (AcpiGbl_InitHandler) 696 { 697 Status = AcpiGbl_InitHandler (DeviceNode, ACPI_INIT_DEVICE_INI); 698 } 699 700 return_ACPI_STATUS (Status); 701} 702