nsinit.c revision 99146
167754Smsmith/****************************************************************************** 267754Smsmith * 367754Smsmith * Module Name: nsinit - namespace initialization 499146Siwasaki * $Revision: 43 $ 567754Smsmith * 667754Smsmith *****************************************************************************/ 767754Smsmith 867754Smsmith/****************************************************************************** 967754Smsmith * 1067754Smsmith * 1. Copyright Notice 1167754Smsmith * 1291116Smsmith * Some or all of this work - Copyright (c) 1999 - 2002, 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")); 15599146Siwasaki ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, "Completing Region/Field/Buffer/Package initialization:")); 15667754Smsmith 15799146Siwasaki /* Set all init info to zero */ 15867754Smsmith 15999146Siwasaki ACPI_MEMSET (&Info, 0, sizeof (ACPI_INIT_WALK_INFO)); 16067754Smsmith 16167754Smsmith /* Walk entire namespace from the supplied root */ 16267754Smsmith 16367754Smsmith Status = AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, 16467754Smsmith ACPI_UINT32_MAX, AcpiNsInitOneObject, 16567754Smsmith &Info, NULL); 16667754Smsmith if (ACPI_FAILURE (Status)) 16767754Smsmith { 16882367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "WalkNamespace failed! %x\n", Status)); 16967754Smsmith } 17067754Smsmith 17182367Smsmith ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, 17299146Siwasaki "\n Initialized %d/%d Regions %d/%d Fields %d/%d Buffers %d/%d Packages (%d nodes)\n", 17399146Siwasaki Info.OpRegionInit, Info.OpRegionCount, 17499146Siwasaki Info.FieldInit, Info.FieldCount, 17599146Siwasaki Info.BufferInit, Info.BufferCount, 17699146Siwasaki Info.PackageInit, Info.PackageCount, Info.ObjectCount)); 17782367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 17882367Smsmith "%d Control Methods found\n", Info.MethodCount)); 17982367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 18082367Smsmith "%d Op Regions found\n", Info.OpRegionCount)); 18167754Smsmith 18267754Smsmith return_ACPI_STATUS (AE_OK); 18367754Smsmith} 18467754Smsmith 18567754Smsmith 18677424Smsmith/******************************************************************************* 18767754Smsmith * 18867754Smsmith * FUNCTION: AcpiNsInitializeDevices 18967754Smsmith * 19067754Smsmith * PARAMETERS: None 19167754Smsmith * 19267754Smsmith * RETURN: ACPI_STATUS 19367754Smsmith * 19467754Smsmith * DESCRIPTION: Walk the entire namespace and initialize all ACPI devices. 19567754Smsmith * This means running _INI on all present devices. 19667754Smsmith * 19777424Smsmith * Note: We install PCI config space handler on region access, 19877424Smsmith * not here. 19967754Smsmith * 20077424Smsmith ******************************************************************************/ 20167754Smsmith 20267754SmsmithACPI_STATUS 20367754SmsmithAcpiNsInitializeDevices ( 20473561Smsmith void) 20567754Smsmith{ 20667754Smsmith ACPI_STATUS Status; 20767754Smsmith ACPI_DEVICE_WALK_INFO Info; 20867754Smsmith 20967754Smsmith 21091116Smsmith ACPI_FUNCTION_TRACE ("NsInitializeDevices"); 21167754Smsmith 21267754Smsmith 21399146Siwasaki /* Init counters */ 21499146Siwasaki 21567754Smsmith Info.DeviceCount = 0; 21667754Smsmith Info.Num_STA = 0; 21767754Smsmith Info.Num_INI = 0; 21867754Smsmith 21999146Siwasaki ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, "Executing all Device _STA and_INI methods:")); 22067754Smsmith 22199146Siwasaki /* Walk namespace for all objects of type Device */ 22267754Smsmith 22377424Smsmith Status = AcpiNsWalkNamespace (ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, 22477424Smsmith ACPI_UINT32_MAX, FALSE, AcpiNsInitOneDevice, &Info, NULL); 22567754Smsmith 22667754Smsmith if (ACPI_FAILURE (Status)) 22767754Smsmith { 22882367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "WalkNamespace failed! %x\n", Status)); 22967754Smsmith } 23067754Smsmith 23182367Smsmith ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, 23299146Siwasaki "\n%d Devices found containing: %d _STA, %d _INI methods\n", 23369746Smsmith Info.DeviceCount, Info.Num_STA, Info.Num_INI)); 23467754Smsmith 23567754Smsmith return_ACPI_STATUS (Status); 23667754Smsmith} 23767754Smsmith 23867754Smsmith 23967754Smsmith/******************************************************************************* 24067754Smsmith * 24167754Smsmith * FUNCTION: AcpiNsInitOneObject 24267754Smsmith * 24367754Smsmith * PARAMETERS: ObjHandle - Node 24467754Smsmith * Level - Current nesting level 24567754Smsmith * Context - Points to a init info struct 24667754Smsmith * ReturnValue - Not used 24767754Smsmith * 24867754Smsmith * RETURN: Status 24967754Smsmith * 25067754Smsmith * DESCRIPTION: Callback from AcpiWalkNamespace. Invoked for every object 25167754Smsmith * within the namespace. 25267754Smsmith * 25367754Smsmith * Currently, the only objects that require initialization are: 25467754Smsmith * 1) Methods 25567754Smsmith * 2) Op Regions 25667754Smsmith * 25767754Smsmith ******************************************************************************/ 25867754Smsmith 25967754SmsmithACPI_STATUS 26067754SmsmithAcpiNsInitOneObject ( 26167754Smsmith ACPI_HANDLE ObjHandle, 26267754Smsmith UINT32 Level, 26367754Smsmith void *Context, 26467754Smsmith void **ReturnValue) 26567754Smsmith{ 26691116Smsmith ACPI_OBJECT_TYPE Type; 26767754Smsmith ACPI_STATUS Status; 26867754Smsmith ACPI_INIT_WALK_INFO *Info = (ACPI_INIT_WALK_INFO *) Context; 26967754Smsmith ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle; 27067754Smsmith ACPI_OPERAND_OBJECT *ObjDesc; 27167754Smsmith 27267754Smsmith 27391116Smsmith ACPI_FUNCTION_NAME ("NsInitOneObject"); 27482367Smsmith 27582367Smsmith 27667754Smsmith Info->ObjectCount++; 27767754Smsmith 27867754Smsmith /* And even then, we are only interested in a few object types */ 27967754Smsmith 28067754Smsmith Type = AcpiNsGetType (ObjHandle); 28187031Smsmith ObjDesc = AcpiNsGetAttachedObject (Node); 28267754Smsmith if (!ObjDesc) 28367754Smsmith { 28467754Smsmith return (AE_OK); 28567754Smsmith } 28667754Smsmith 28799146Siwasaki /* Increment counters for object types we are looking for */ 28899146Siwasaki 28999146Siwasaki switch (Type) 29080062Smsmith { 29199146Siwasaki case ACPI_TYPE_REGION: 29299146Siwasaki Info->OpRegionCount++; 29399146Siwasaki break; 29499146Siwasaki 29599146Siwasaki case ACPI_TYPE_BUFFER_FIELD: 29699146Siwasaki Info->FieldCount++; 29799146Siwasaki break; 29899146Siwasaki 29999146Siwasaki case ACPI_TYPE_BUFFER: 30099146Siwasaki Info->BufferCount++; 30199146Siwasaki break; 30299146Siwasaki 30399146Siwasaki case ACPI_TYPE_PACKAGE: 30499146Siwasaki Info->PackageCount++; 30599146Siwasaki break; 30699146Siwasaki 30799146Siwasaki default: 30899146Siwasaki 30999146Siwasaki /* No init required, just exit now */ 31080062Smsmith return (AE_OK); 31180062Smsmith } 31280062Smsmith 31399146Siwasaki /* 31499146Siwasaki * If the object is already initialized, nothing else to do 31599146Siwasaki */ 31699146Siwasaki if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID) 31799146Siwasaki { 31899146Siwasaki return (AE_OK); 31999146Siwasaki } 32080062Smsmith 32180062Smsmith /* 32280062Smsmith * Must lock the interpreter before executing AML code 32380062Smsmith */ 32480062Smsmith Status = AcpiExEnterInterpreter (); 32580062Smsmith if (ACPI_FAILURE (Status)) 32680062Smsmith { 32780062Smsmith return (Status); 32880062Smsmith } 32980062Smsmith 33099146Siwasaki /* 33199146Siwasaki * Each of these types can contain executable AML code within 33299146Siwasaki * the declaration. 33399146Siwasaki */ 33467754Smsmith switch (Type) 33567754Smsmith { 33667754Smsmith case ACPI_TYPE_REGION: 33767754Smsmith 33867754Smsmith Info->OpRegionInit++; 33967754Smsmith Status = AcpiDsGetRegionArguments (ObjDesc); 34067754Smsmith break; 34167754Smsmith 34267754Smsmith 34377424Smsmith case ACPI_TYPE_BUFFER_FIELD: 34467754Smsmith 34567754Smsmith Info->FieldInit++; 34677424Smsmith Status = AcpiDsGetBufferFieldArguments (ObjDesc); 34799146Siwasaki break; 34867754Smsmith 34973561Smsmith 35099146Siwasaki case ACPI_TYPE_BUFFER: 35199146Siwasaki 35299146Siwasaki Info->BufferInit++; 35399146Siwasaki Status = AcpiDsGetBufferArguments (ObjDesc); 35467754Smsmith break; 35567754Smsmith 35699146Siwasaki 35799146Siwasaki case ACPI_TYPE_PACKAGE: 35899146Siwasaki 35999146Siwasaki Info->PackageInit++; 36099146Siwasaki Status = AcpiDsGetPackageArguments (ObjDesc); 36167754Smsmith break; 36267754Smsmith } 36367754Smsmith 36499146Siwasaki if (ACPI_FAILURE (Status)) 36599146Siwasaki { 36699146Siwasaki ACPI_DEBUG_PRINT_RAW ((ACPI_DB_ERROR, "\n")); 36799146Siwasaki ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 36899146Siwasaki "Could not execute arguments for [%4.4s] (%s), %s\n", 36999146Siwasaki (char *) &Node->Name, AcpiUtGetTypeName (Type), AcpiFormatException (Status))); 37099146Siwasaki } 37180062Smsmith 37299146Siwasaki if (!(AcpiDbgLevel & ACPI_LV_INIT)) 37399146Siwasaki { 37499146Siwasaki ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, ".")); 37599146Siwasaki } 37699146Siwasaki 37767754Smsmith /* 37867754Smsmith * We ignore errors from above, and always return OK, since 37999146Siwasaki * we don't want to abort the walk on any single error. 38067754Smsmith */ 38180062Smsmith AcpiExExitInterpreter (); 38267754Smsmith return (AE_OK); 38367754Smsmith} 38467754Smsmith 38567754Smsmith 38677424Smsmith/******************************************************************************* 38767754Smsmith * 38867754Smsmith * FUNCTION: AcpiNsInitOneDevice 38967754Smsmith * 39077424Smsmith * PARAMETERS: ACPI_WALK_CALLBACK 39167754Smsmith * 39267754Smsmith * RETURN: ACPI_STATUS 39367754Smsmith * 39467754Smsmith * DESCRIPTION: This is called once per device soon after ACPI is enabled 39567754Smsmith * to initialize each device. It determines if the device is 39667754Smsmith * present, and if so, calls _INI. 39767754Smsmith * 39877424Smsmith ******************************************************************************/ 39967754Smsmith 40067754SmsmithACPI_STATUS 40167754SmsmithAcpiNsInitOneDevice ( 40267754Smsmith ACPI_HANDLE ObjHandle, 40367754Smsmith UINT32 NestingLevel, 40467754Smsmith void *Context, 40567754Smsmith void **ReturnValue) 40667754Smsmith{ 40767754Smsmith ACPI_STATUS Status; 40867754Smsmith ACPI_NAMESPACE_NODE *Node; 40967754Smsmith UINT32 Flags; 41067754Smsmith ACPI_DEVICE_WALK_INFO *Info = (ACPI_DEVICE_WALK_INFO *) Context; 41167754Smsmith 41267754Smsmith 41391116Smsmith ACPI_FUNCTION_TRACE ("NsInitOneDevice"); 41467754Smsmith 41567754Smsmith 41682367Smsmith if (!(AcpiDbgLevel & ACPI_LV_INIT)) 41773561Smsmith { 41882367Smsmith ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, ".")); 41973561Smsmith } 42073561Smsmith 42167754Smsmith Info->DeviceCount++; 42267754Smsmith 42391116Smsmith Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); 42491116Smsmith if (ACPI_FAILURE (Status)) 42591116Smsmith { 42691116Smsmith return_ACPI_STATUS (Status); 42791116Smsmith } 42867754Smsmith 42985756Smsmith Node = AcpiNsMapHandleToNode (ObjHandle); 43067754Smsmith if (!Node) 43167754Smsmith { 43291116Smsmith (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); 43387031Smsmith return_ACPI_STATUS (AE_BAD_PARAMETER); 43467754Smsmith } 43567754Smsmith 43691116Smsmith Status = AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); 43791116Smsmith if (ACPI_FAILURE (Status)) 43891116Smsmith { 43991116Smsmith return_ACPI_STATUS (Status); 44091116Smsmith } 44167754Smsmith 44267754Smsmith /* 44367754Smsmith * Run _STA to determine if we can run _INI on the device. 44467754Smsmith */ 44591116Smsmith ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname (Node, "_STA [Method]")); 44677424Smsmith Status = AcpiUtExecute_STA (Node, &Flags); 44767754Smsmith if (ACPI_FAILURE (Status)) 44867754Smsmith { 44971867Smsmith /* Ignore error and move on to next device */ 45071867Smsmith 45171867Smsmith return_ACPI_STATUS (AE_OK); 45267754Smsmith } 45367754Smsmith 45467754Smsmith Info->Num_STA++; 45567754Smsmith 45667754Smsmith if (!(Flags & 0x01)) 45767754Smsmith { 45867754Smsmith /* don't look at children of a not present device */ 45977424Smsmith 46067754Smsmith return_ACPI_STATUS(AE_CTRL_DEPTH); 46167754Smsmith } 46267754Smsmith 46367754Smsmith /* 46467754Smsmith * The device is present. Run _INI. 46567754Smsmith */ 46691116Smsmith ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname (ObjHandle, "_INI [Method]")); 46767754Smsmith Status = AcpiNsEvaluateRelative (ObjHandle, "_INI", NULL, NULL); 46867754Smsmith if (AE_NOT_FOUND == Status) 46967754Smsmith { 47069746Smsmith /* No _INI means device requires no initialization */ 47177424Smsmith 47269746Smsmith Status = AE_OK; 47367754Smsmith } 47467754Smsmith 47567754Smsmith else if (ACPI_FAILURE (Status)) 47667754Smsmith { 47771867Smsmith /* Ignore error and move on to next device */ 47871867Smsmith 47967754Smsmith#ifdef ACPI_DEBUG 48091116Smsmith NATIVE_CHAR *ScopeName = AcpiNsGetExternalPathname (ObjHandle); 48167754Smsmith 48282367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "%s._INI failed: %s\n", 48380062Smsmith ScopeName, AcpiFormatException (Status))); 48467754Smsmith 48580062Smsmith ACPI_MEM_FREE (ScopeName); 48667754Smsmith#endif 48767754Smsmith } 48867754Smsmith 48967754Smsmith else 49067754Smsmith { 49177424Smsmith /* Count of successful INIs */ 49271867Smsmith 49367754Smsmith Info->Num_INI++; 49467754Smsmith } 49567754Smsmith 49671867Smsmith return_ACPI_STATUS (AE_OK); 49767754Smsmith} 498