nsinit.c revision 140216
167754Smsmith/****************************************************************************** 267754Smsmith * 367754Smsmith * Module Name: nsinit - namespace initialization 4138287Smarks * $Revision: 62 $ 567754Smsmith * 667754Smsmith *****************************************************************************/ 767754Smsmith 867754Smsmith/****************************************************************************** 967754Smsmith * 1067754Smsmith * 1. Copyright Notice 1167754Smsmith * 12126372Snjl * Some or all of this work - Copyright (c) 1999 - 2004, Intel Corp. 1370243Smsmith * All rights reserved. 1467754Smsmith * 1567754Smsmith * 2. License 1667754Smsmith * 1767754Smsmith * 2.1. This is your license from Intel Corp. under its intellectual property 1867754Smsmith * rights. You may have additional license terms from the party that provided 1967754Smsmith * you this software, covering your right to use that party's intellectual 2067754Smsmith * property rights. 2167754Smsmith * 2267754Smsmith * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 2367754Smsmith * copy of the source code appearing in this file ("Covered Code") an 2467754Smsmith * irrevocable, perpetual, worldwide license under Intel's copyrights in the 2567754Smsmith * base code distributed originally by Intel ("Original Intel Code") to copy, 2667754Smsmith * make derivatives, distribute, use and display any portion of the Covered 2767754Smsmith * Code in any form, with the right to sublicense such rights; and 2867754Smsmith * 2967754Smsmith * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 3067754Smsmith * license (with the right to sublicense), under only those claims of Intel 3167754Smsmith * patents that are infringed by the Original Intel Code, to make, use, sell, 3267754Smsmith * offer to sell, and import the Covered Code and derivative works thereof 3367754Smsmith * solely to the minimum extent necessary to exercise the above copyright 3467754Smsmith * license, and in no event shall the patent license extend to any additions 3567754Smsmith * to or modifications of the Original Intel Code. No other license or right 3667754Smsmith * is granted directly or by implication, estoppel or otherwise; 3767754Smsmith * 3867754Smsmith * The above copyright and patent license is granted only if the following 3967754Smsmith * conditions are met: 4067754Smsmith * 4167754Smsmith * 3. Conditions 4267754Smsmith * 4367754Smsmith * 3.1. Redistribution of Source with Rights to Further Distribute Source. 4467754Smsmith * Redistribution of source code of any substantial portion of the Covered 4567754Smsmith * Code or modification with rights to further distribute source must include 4667754Smsmith * the above Copyright Notice, the above License, this list of Conditions, 4767754Smsmith * and the following Disclaimer and Export Compliance provision. In addition, 4867754Smsmith * Licensee must cause all Covered Code to which Licensee contributes to 4967754Smsmith * contain a file documenting the changes Licensee made to create that Covered 5067754Smsmith * Code and the date of any change. Licensee must include in that file the 5167754Smsmith * documentation of any changes made by any predecessor Licensee. Licensee 5267754Smsmith * must include a prominent statement that the modification is derived, 5367754Smsmith * directly or indirectly, from Original Intel Code. 5467754Smsmith * 5567754Smsmith * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 5667754Smsmith * Redistribution of source code of any substantial portion of the Covered 5767754Smsmith * Code or modification without rights to further distribute source must 5867754Smsmith * include the following Disclaimer and Export Compliance provision in the 5967754Smsmith * documentation and/or other materials provided with distribution. In 6067754Smsmith * addition, Licensee may not authorize further sublicense of source of any 6167754Smsmith * portion of the Covered Code, and must include terms to the effect that the 6267754Smsmith * license from Licensee to its licensee is limited to the intellectual 6367754Smsmith * property embodied in the software Licensee provides to its licensee, and 6467754Smsmith * not to intellectual property embodied in modifications its licensee may 6567754Smsmith * make. 6667754Smsmith * 6767754Smsmith * 3.3. Redistribution of Executable. Redistribution in executable form of any 6867754Smsmith * substantial portion of the Covered Code or modification must reproduce the 6967754Smsmith * above Copyright Notice, and the following Disclaimer and Export Compliance 7067754Smsmith * provision in the documentation and/or other materials provided with the 7167754Smsmith * distribution. 7267754Smsmith * 7367754Smsmith * 3.4. Intel retains all right, title, and interest in and to the Original 7467754Smsmith * Intel Code. 7567754Smsmith * 7667754Smsmith * 3.5. Neither the name Intel nor any other trademark owned or controlled by 7767754Smsmith * Intel shall be used in advertising or otherwise to promote the sale, use or 7867754Smsmith * other dealings in products derived from or relating to the Covered Code 7967754Smsmith * without prior written authorization from Intel. 8067754Smsmith * 8167754Smsmith * 4. Disclaimer and Export Compliance 8267754Smsmith * 8367754Smsmith * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 8467754Smsmith * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 8567754Smsmith * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 8667754Smsmith * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 8767754Smsmith * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 8867754Smsmith * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 8967754Smsmith * PARTICULAR PURPOSE. 9067754Smsmith * 9167754Smsmith * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 9267754Smsmith * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 9367754Smsmith * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 9467754Smsmith * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 9567754Smsmith * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 9667754Smsmith * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 9767754Smsmith * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 9867754Smsmith * LIMITED REMEDY. 9967754Smsmith * 10067754Smsmith * 4.3. Licensee shall not export, either directly or indirectly, any of this 10167754Smsmith * software or system incorporating such software without first obtaining any 10267754Smsmith * required license or other approval from the U. S. Department of Commerce or 10367754Smsmith * any other agency or department of the United States Government. In the 10467754Smsmith * event Licensee exports any such software from the United States or 10567754Smsmith * re-exports any such software from a foreign destination, Licensee shall 10667754Smsmith * ensure that the distribution and export/re-export of the software is in 10767754Smsmith * compliance with all laws, regulations, orders, or other restrictions of the 10867754Smsmith * U.S. Export Administration Regulations. Licensee agrees that neither it nor 10967754Smsmith * any of its subsidiaries will export/re-export any technical data, process, 11067754Smsmith * software, or service, directly or indirectly, to any country for which the 11167754Smsmith * United States government or any agency thereof requires an export license, 11267754Smsmith * other governmental approval, or letter of assurance, without first obtaining 11367754Smsmith * such license, approval or letter. 11467754Smsmith * 11567754Smsmith *****************************************************************************/ 11667754Smsmith 11767754Smsmith 11867754Smsmith#define __NSXFINIT_C__ 11967754Smsmith 12067754Smsmith#include "acpi.h" 12167754Smsmith#include "acnamesp.h" 12267754Smsmith#include "acdispat.h" 12380062Smsmith#include "acinterp.h" 12467754Smsmith 12577424Smsmith#define _COMPONENT ACPI_NAMESPACE 12691116Smsmith ACPI_MODULE_NAME ("nsinit") 12767754Smsmith 12867754Smsmith 12967754Smsmith/******************************************************************************* 13067754Smsmith * 13167754Smsmith * FUNCTION: AcpiNsInitializeObjects 13267754Smsmith * 13367754Smsmith * PARAMETERS: None 13467754Smsmith * 13567754Smsmith * RETURN: Status 13667754Smsmith * 13767754Smsmith * DESCRIPTION: Walk the entire namespace and perform any necessary 13867754Smsmith * initialization on the objects found therein 13967754Smsmith * 14067754Smsmith ******************************************************************************/ 14167754Smsmith 14267754SmsmithACPI_STATUS 14367754SmsmithAcpiNsInitializeObjects ( 14467754Smsmith void) 14567754Smsmith{ 14667754Smsmith ACPI_STATUS Status; 14767754Smsmith ACPI_INIT_WALK_INFO Info; 14867754Smsmith 14967754Smsmith 15091116Smsmith ACPI_FUNCTION_TRACE ("NsInitializeObjects"); 15167754Smsmith 15267754Smsmith 15382367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 15482367Smsmith "**** Starting initialization of namespace objects ****\n")); 155138287Smarks ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, 156138287Smarks "Completing Region/Field/Buffer/Package initialization:")); 15767754Smsmith 15899146Siwasaki /* Set all init info to zero */ 15967754Smsmith 16099146Siwasaki ACPI_MEMSET (&Info, 0, sizeof (ACPI_INIT_WALK_INFO)); 16167754Smsmith 16267754Smsmith /* Walk entire namespace from the supplied root */ 16367754Smsmith 16467754Smsmith Status = AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, 16567754Smsmith ACPI_UINT32_MAX, AcpiNsInitOneObject, 16667754Smsmith &Info, NULL); 16767754Smsmith if (ACPI_FAILURE (Status)) 16867754Smsmith { 169102550Siwasaki ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "WalkNamespace failed! %s\n", 17099679Siwasaki AcpiFormatException (Status))); 17167754Smsmith } 17267754Smsmith 173114237Snjl ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, 17499679Siwasaki "\nInitialized %hd/%hd Regions %hd/%hd Fields %hd/%hd Buffers %hd/%hd Packages (%hd nodes)\n", 175102550Siwasaki Info.OpRegionInit, Info.OpRegionCount, 176102550Siwasaki Info.FieldInit, Info.FieldCount, 177102550Siwasaki Info.BufferInit, Info.BufferCount, 17899146Siwasaki Info.PackageInit, Info.PackageCount, Info.ObjectCount)); 179114237Snjl 18082367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 18199679Siwasaki "%hd Control Methods found\n", Info.MethodCount)); 18282367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 18399679Siwasaki "%hd Op Regions found\n", Info.OpRegionCount)); 18467754Smsmith 18567754Smsmith return_ACPI_STATUS (AE_OK); 18667754Smsmith} 18767754Smsmith 18867754Smsmith 18977424Smsmith/******************************************************************************* 19067754Smsmith * 19167754Smsmith * FUNCTION: AcpiNsInitializeDevices 19267754Smsmith * 19367754Smsmith * PARAMETERS: None 19467754Smsmith * 19567754Smsmith * RETURN: ACPI_STATUS 19667754Smsmith * 19767754Smsmith * DESCRIPTION: Walk the entire namespace and initialize all ACPI devices. 19867754Smsmith * This means running _INI on all present devices. 19967754Smsmith * 20077424Smsmith * Note: We install PCI config space handler on region access, 20177424Smsmith * not here. 20267754Smsmith * 20377424Smsmith ******************************************************************************/ 20467754Smsmith 20567754SmsmithACPI_STATUS 20667754SmsmithAcpiNsInitializeDevices ( 20773561Smsmith void) 20867754Smsmith{ 20967754Smsmith ACPI_STATUS Status; 21067754Smsmith ACPI_DEVICE_WALK_INFO Info; 21167754Smsmith 21267754Smsmith 21391116Smsmith ACPI_FUNCTION_TRACE ("NsInitializeDevices"); 21467754Smsmith 21567754Smsmith 21699146Siwasaki /* Init counters */ 21799146Siwasaki 21867754Smsmith Info.DeviceCount = 0; 21967754Smsmith Info.Num_STA = 0; 22067754Smsmith Info.Num_INI = 0; 22167754Smsmith 222138287Smarks ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, 223138287Smarks "Executing all Device _STA and_INI methods:")); 22467754Smsmith 225123315Snjl Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); 226123315Snjl if (ACPI_FAILURE (Status)) 227123315Snjl { 228123315Snjl return_ACPI_STATUS (Status); 229123315Snjl } 23067754Smsmith 231129684Snjl /* Walk namespace for all objects */ 23267754Smsmith 233123315Snjl Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, 234123315Snjl ACPI_UINT32_MAX, TRUE, AcpiNsInitOneDevice, &Info, NULL); 235123315Snjl 236123315Snjl (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); 237123315Snjl 23867754Smsmith if (ACPI_FAILURE (Status)) 23967754Smsmith { 240102550Siwasaki ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "WalkNamespace failed! %s\n", 24199679Siwasaki AcpiFormatException (Status))); 24267754Smsmith } 24367754Smsmith 244114237Snjl ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, 24599679Siwasaki "\n%hd Devices found containing: %hd _STA, %hd _INI methods\n", 24669746Smsmith Info.DeviceCount, Info.Num_STA, Info.Num_INI)); 24767754Smsmith 24867754Smsmith return_ACPI_STATUS (Status); 24967754Smsmith} 25067754Smsmith 25167754Smsmith 25267754Smsmith/******************************************************************************* 25367754Smsmith * 25467754Smsmith * FUNCTION: AcpiNsInitOneObject 25567754Smsmith * 25667754Smsmith * PARAMETERS: ObjHandle - Node 25767754Smsmith * Level - Current nesting level 25867754Smsmith * Context - Points to a init info struct 25967754Smsmith * ReturnValue - Not used 26067754Smsmith * 26167754Smsmith * RETURN: Status 26267754Smsmith * 26367754Smsmith * DESCRIPTION: Callback from AcpiWalkNamespace. Invoked for every object 26467754Smsmith * within the namespace. 26567754Smsmith * 26667754Smsmith * Currently, the only objects that require initialization are: 26767754Smsmith * 1) Methods 26867754Smsmith * 2) Op Regions 26967754Smsmith * 27067754Smsmith ******************************************************************************/ 27167754Smsmith 27267754SmsmithACPI_STATUS 27367754SmsmithAcpiNsInitOneObject ( 27467754Smsmith ACPI_HANDLE ObjHandle, 27567754Smsmith UINT32 Level, 27667754Smsmith void *Context, 27767754Smsmith void **ReturnValue) 27867754Smsmith{ 27991116Smsmith ACPI_OBJECT_TYPE Type; 28067754Smsmith ACPI_STATUS Status; 28167754Smsmith ACPI_INIT_WALK_INFO *Info = (ACPI_INIT_WALK_INFO *) Context; 28267754Smsmith ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle; 28367754Smsmith ACPI_OPERAND_OBJECT *ObjDesc; 28467754Smsmith 28567754Smsmith 28691116Smsmith ACPI_FUNCTION_NAME ("NsInitOneObject"); 28782367Smsmith 28882367Smsmith 28967754Smsmith Info->ObjectCount++; 29067754Smsmith 29167754Smsmith /* And even then, we are only interested in a few object types */ 29267754Smsmith 29367754Smsmith Type = AcpiNsGetType (ObjHandle); 29487031Smsmith ObjDesc = AcpiNsGetAttachedObject (Node); 29567754Smsmith if (!ObjDesc) 29667754Smsmith { 29767754Smsmith return (AE_OK); 29867754Smsmith } 29967754Smsmith 30099146Siwasaki /* Increment counters for object types we are looking for */ 30199146Siwasaki 30299146Siwasaki switch (Type) 30380062Smsmith { 30499146Siwasaki case ACPI_TYPE_REGION: 30599146Siwasaki Info->OpRegionCount++; 30699146Siwasaki break; 30799146Siwasaki 30899146Siwasaki case ACPI_TYPE_BUFFER_FIELD: 30999146Siwasaki Info->FieldCount++; 31099146Siwasaki break; 31199146Siwasaki 31299146Siwasaki case ACPI_TYPE_BUFFER: 31399146Siwasaki Info->BufferCount++; 31499146Siwasaki break; 31599146Siwasaki 31699146Siwasaki case ACPI_TYPE_PACKAGE: 31799146Siwasaki Info->PackageCount++; 31899146Siwasaki break; 31999146Siwasaki 32099146Siwasaki default: 32199146Siwasaki 32299146Siwasaki /* No init required, just exit now */ 32380062Smsmith return (AE_OK); 32480062Smsmith } 32580062Smsmith 32699146Siwasaki /* 32799146Siwasaki * If the object is already initialized, nothing else to do 32899146Siwasaki */ 32999146Siwasaki if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID) 33099146Siwasaki { 33199146Siwasaki return (AE_OK); 33299146Siwasaki } 33380062Smsmith 33480062Smsmith /* 33580062Smsmith * Must lock the interpreter before executing AML code 33680062Smsmith */ 33780062Smsmith Status = AcpiExEnterInterpreter (); 33880062Smsmith if (ACPI_FAILURE (Status)) 33980062Smsmith { 34080062Smsmith return (Status); 34180062Smsmith } 34280062Smsmith 34399146Siwasaki /* 344138287Smarks * Each of these types can contain executable AML code within the 345138287Smarks * declaration. 34699146Siwasaki */ 34767754Smsmith switch (Type) 34867754Smsmith { 34967754Smsmith case ACPI_TYPE_REGION: 35067754Smsmith 35167754Smsmith Info->OpRegionInit++; 35267754Smsmith Status = AcpiDsGetRegionArguments (ObjDesc); 35367754Smsmith break; 35467754Smsmith 35577424Smsmith case ACPI_TYPE_BUFFER_FIELD: 35667754Smsmith 35767754Smsmith Info->FieldInit++; 35877424Smsmith Status = AcpiDsGetBufferFieldArguments (ObjDesc); 35999146Siwasaki break; 36067754Smsmith 36199146Siwasaki case ACPI_TYPE_BUFFER: 36299146Siwasaki 36399146Siwasaki Info->BufferInit++; 36499146Siwasaki Status = AcpiDsGetBufferArguments (ObjDesc); 36567754Smsmith break; 36667754Smsmith 36799146Siwasaki case ACPI_TYPE_PACKAGE: 36899146Siwasaki 36999146Siwasaki Info->PackageInit++; 37099146Siwasaki Status = AcpiDsGetPackageArguments (ObjDesc); 37167754Smsmith break; 37299679Siwasaki 37399679Siwasaki default: 37499679Siwasaki /* No other types can get here */ 37599679Siwasaki break; 37667754Smsmith } 37767754Smsmith 37899146Siwasaki if (ACPI_FAILURE (Status)) 37999146Siwasaki { 38099146Siwasaki ACPI_DEBUG_PRINT_RAW ((ACPI_DB_ERROR, "\n")); 38199146Siwasaki ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 38299146Siwasaki "Could not execute arguments for [%4.4s] (%s), %s\n", 383123315Snjl AcpiUtGetNodeName (Node), AcpiUtGetTypeName (Type), 384123315Snjl AcpiFormatException (Status))); 38599146Siwasaki } 38680062Smsmith 387138287Smarks /* 388138287Smarks * Print a dot for each object unless we are going to print the entire 389138287Smarks * pathname 390138287Smarks */ 391114237Snjl if (!(AcpiDbgLevel & ACPI_LV_INIT_NAMES)) 39299146Siwasaki { 393114237Snjl ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, ".")); 39499146Siwasaki } 39599146Siwasaki 39667754Smsmith /* 397138287Smarks * We ignore errors from above, and always return OK, since we don't want 398138287Smarks * to abort the walk on any single error. 39967754Smsmith */ 40080062Smsmith AcpiExExitInterpreter (); 40167754Smsmith return (AE_OK); 40267754Smsmith} 40367754Smsmith 40467754Smsmith 40577424Smsmith/******************************************************************************* 40667754Smsmith * 40767754Smsmith * FUNCTION: AcpiNsInitOneDevice 40867754Smsmith * 40977424Smsmith * PARAMETERS: ACPI_WALK_CALLBACK 41067754Smsmith * 41167754Smsmith * RETURN: ACPI_STATUS 41267754Smsmith * 41367754Smsmith * DESCRIPTION: This is called once per device soon after ACPI is enabled 41467754Smsmith * to initialize each device. It determines if the device is 41567754Smsmith * present, and if so, calls _INI. 41667754Smsmith * 41777424Smsmith ******************************************************************************/ 41867754Smsmith 41967754SmsmithACPI_STATUS 42067754SmsmithAcpiNsInitOneDevice ( 42167754Smsmith ACPI_HANDLE ObjHandle, 42267754Smsmith UINT32 NestingLevel, 42367754Smsmith void *Context, 42467754Smsmith void **ReturnValue) 42567754Smsmith{ 426129684Snjl ACPI_DEVICE_WALK_INFO *Info = (ACPI_DEVICE_WALK_INFO *) Context; 427129684Snjl ACPI_PARAMETER_INFO Pinfo; 428129684Snjl UINT32 Flags; 42967754Smsmith ACPI_STATUS Status; 43067754Smsmith 43167754Smsmith 43291116Smsmith ACPI_FUNCTION_TRACE ("NsInitOneDevice"); 43367754Smsmith 43467754Smsmith 435129684Snjl Pinfo.Parameters = NULL; 436129684Snjl Pinfo.ParameterType = ACPI_PARAM_ARGS; 437129684Snjl 438129684Snjl Pinfo.Node = AcpiNsMapHandleToNode (ObjHandle); 439129684Snjl if (!Pinfo.Node) 44073561Smsmith { 441123315Snjl return_ACPI_STATUS (AE_BAD_PARAMETER); 44273561Smsmith } 44373561Smsmith 444123315Snjl /* 445129684Snjl * We will run _STA/_INI on Devices, Processors and ThermalZones only 446123315Snjl */ 447129684Snjl if ((Pinfo.Node->Type != ACPI_TYPE_DEVICE) && 448129684Snjl (Pinfo.Node->Type != ACPI_TYPE_PROCESSOR) && 449129684Snjl (Pinfo.Node->Type != ACPI_TYPE_THERMAL)) 45091116Smsmith { 451123315Snjl return_ACPI_STATUS (AE_OK); 45291116Smsmith } 45367754Smsmith 454138287Smarks if ((AcpiDbgLevel <= ACPI_LV_ALL_EXCEPTIONS) && 455138287Smarks (!(AcpiDbgLevel & ACPI_LV_INFO))) 45667754Smsmith { 457123315Snjl ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, ".")); 45867754Smsmith } 45967754Smsmith 460123315Snjl Info->DeviceCount++; 46167754Smsmith 46267754Smsmith /* 46367754Smsmith * Run _STA to determine if we can run _INI on the device. 46467754Smsmith */ 465129684Snjl ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname (ACPI_TYPE_METHOD, Pinfo.Node, "_STA")); 466129684Snjl Status = AcpiUtExecute_STA (Pinfo.Node, &Flags); 467123315Snjl 46867754Smsmith if (ACPI_FAILURE (Status)) 46967754Smsmith { 470129684Snjl if (Pinfo.Node->Type == ACPI_TYPE_DEVICE) 471123315Snjl { 472123315Snjl /* Ignore error and move on to next device */ 47371867Smsmith 474123315Snjl return_ACPI_STATUS (AE_OK); 475123315Snjl } 476123315Snjl 477129684Snjl /* _STA is not required for Processor or ThermalZone objects */ 47867754Smsmith } 479123315Snjl else 480123315Snjl { 481123315Snjl Info->Num_STA++; 48267754Smsmith 483123315Snjl if (!(Flags & 0x01)) 484123315Snjl { 485123315Snjl /* Don't look at children of a not present device */ 48667754Smsmith 487123315Snjl return_ACPI_STATUS(AE_CTRL_DEPTH); 488123315Snjl } 48967754Smsmith } 49067754Smsmith 49167754Smsmith /* 49267754Smsmith * The device is present. Run _INI. 49367754Smsmith */ 494129684Snjl ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname (ACPI_TYPE_METHOD, Pinfo.Node, "_INI")); 495129684Snjl Status = AcpiNsEvaluateRelative ("_INI", &Pinfo); 49699679Siwasaki if (ACPI_FAILURE (Status)) 49767754Smsmith { 49899679Siwasaki /* No _INI (AE_NOT_FOUND) means device requires no initialization */ 49977424Smsmith 50099679Siwasaki if (Status != AE_NOT_FOUND) 50199679Siwasaki { 50299679Siwasaki /* Ignore error and move on to next device */ 50367754Smsmith 504129684Snjl#ifdef ACPI_DEBUG_OUTPUT 505129684Snjl char *ScopeName = AcpiNsGetExternalPathname (Pinfo.Node); 50671867Smsmith 50799679Siwasaki ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "%s._INI failed: %s\n", 50899679Siwasaki ScopeName, AcpiFormatException (Status))); 50967754Smsmith 51099679Siwasaki ACPI_MEM_FREE (ScopeName); 511129684Snjl#endif 51299679Siwasaki } 51367754Smsmith 51499679Siwasaki Status = AE_OK; 51567754Smsmith } 51667754Smsmith else 51767754Smsmith { 518140216Snjl /* Delete any return object (Especially if ImplicitReturn is enabled) */ 519140216Snjl 520140216Snjl if (Pinfo.ReturnObject) 521140216Snjl { 522140216Snjl AcpiUtRemoveReference (Pinfo.ReturnObject); 523140216Snjl } 524140216Snjl 52577424Smsmith /* Count of successful INIs */ 52671867Smsmith 52767754Smsmith Info->Num_INI++; 52867754Smsmith } 52967754Smsmith 53099679Siwasaki if (AcpiGbl_InitHandler) 53199679Siwasaki { 53299679Siwasaki /* External initialization handler is present, call it */ 53399679Siwasaki 534129684Snjl Status = AcpiGbl_InitHandler (Pinfo.Node, ACPI_INIT_DEVICE_INI); 53599679Siwasaki } 53699679Siwasaki 53799679Siwasaki return_ACPI_STATUS (Status); 53867754Smsmith} 539