nsinit.c revision 102550
167754Smsmith/****************************************************************************** 267754Smsmith * 367754Smsmith * Module Name: nsinit - namespace initialization 4102550Siwasaki * $Revision: 49 $ 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 { 168102550Siwasaki ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "WalkNamespace failed! %s\n", 16999679Siwasaki AcpiFormatException (Status))); 17067754Smsmith } 17167754Smsmith 17282367Smsmith ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, 17399679Siwasaki "\nInitialized %hd/%hd Regions %hd/%hd Fields %hd/%hd Buffers %hd/%hd Packages (%hd nodes)\n", 174102550Siwasaki Info.OpRegionInit, Info.OpRegionCount, 175102550Siwasaki Info.FieldInit, Info.FieldCount, 176102550Siwasaki Info.BufferInit, Info.BufferCount, 17799146Siwasaki Info.PackageInit, Info.PackageCount, Info.ObjectCount)); 17882367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 17999679Siwasaki "%hd Control Methods found\n", Info.MethodCount)); 18082367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 18199679Siwasaki "%hd Op Regions found\n", Info.OpRegionCount)); 18267754Smsmith 18367754Smsmith return_ACPI_STATUS (AE_OK); 18467754Smsmith} 18567754Smsmith 18667754Smsmith 18777424Smsmith/******************************************************************************* 18867754Smsmith * 18967754Smsmith * FUNCTION: AcpiNsInitializeDevices 19067754Smsmith * 19167754Smsmith * PARAMETERS: None 19267754Smsmith * 19367754Smsmith * RETURN: ACPI_STATUS 19467754Smsmith * 19567754Smsmith * DESCRIPTION: Walk the entire namespace and initialize all ACPI devices. 19667754Smsmith * This means running _INI on all present devices. 19767754Smsmith * 19877424Smsmith * Note: We install PCI config space handler on region access, 19977424Smsmith * not here. 20067754Smsmith * 20177424Smsmith ******************************************************************************/ 20267754Smsmith 20367754SmsmithACPI_STATUS 20467754SmsmithAcpiNsInitializeDevices ( 20573561Smsmith void) 20667754Smsmith{ 20767754Smsmith ACPI_STATUS Status; 20867754Smsmith ACPI_DEVICE_WALK_INFO Info; 20967754Smsmith 21067754Smsmith 21191116Smsmith ACPI_FUNCTION_TRACE ("NsInitializeDevices"); 21267754Smsmith 21367754Smsmith 21499146Siwasaki /* Init counters */ 21599146Siwasaki 21667754Smsmith Info.DeviceCount = 0; 21767754Smsmith Info.Num_STA = 0; 21867754Smsmith Info.Num_INI = 0; 21967754Smsmith 22099146Siwasaki ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, "Executing all Device _STA and_INI methods:")); 22167754Smsmith 22299146Siwasaki /* Walk namespace for all objects of type Device */ 22367754Smsmith 22477424Smsmith Status = AcpiNsWalkNamespace (ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, 22577424Smsmith ACPI_UINT32_MAX, FALSE, AcpiNsInitOneDevice, &Info, NULL); 22667754Smsmith 22767754Smsmith if (ACPI_FAILURE (Status)) 22867754Smsmith { 229102550Siwasaki ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "WalkNamespace failed! %s\n", 23099679Siwasaki AcpiFormatException (Status))); 23167754Smsmith } 23267754Smsmith 23382367Smsmith ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, 23499679Siwasaki "\n%hd Devices found containing: %hd _STA, %hd _INI methods\n", 23569746Smsmith Info.DeviceCount, Info.Num_STA, Info.Num_INI)); 23667754Smsmith 23767754Smsmith return_ACPI_STATUS (Status); 23867754Smsmith} 23967754Smsmith 24067754Smsmith 24167754Smsmith/******************************************************************************* 24267754Smsmith * 24367754Smsmith * FUNCTION: AcpiNsInitOneObject 24467754Smsmith * 24567754Smsmith * PARAMETERS: ObjHandle - Node 24667754Smsmith * Level - Current nesting level 24767754Smsmith * Context - Points to a init info struct 24867754Smsmith * ReturnValue - Not used 24967754Smsmith * 25067754Smsmith * RETURN: Status 25167754Smsmith * 25267754Smsmith * DESCRIPTION: Callback from AcpiWalkNamespace. Invoked for every object 25367754Smsmith * within the namespace. 25467754Smsmith * 25567754Smsmith * Currently, the only objects that require initialization are: 25667754Smsmith * 1) Methods 25767754Smsmith * 2) Op Regions 25867754Smsmith * 25967754Smsmith ******************************************************************************/ 26067754Smsmith 26167754SmsmithACPI_STATUS 26267754SmsmithAcpiNsInitOneObject ( 26367754Smsmith ACPI_HANDLE ObjHandle, 26467754Smsmith UINT32 Level, 26567754Smsmith void *Context, 26667754Smsmith void **ReturnValue) 26767754Smsmith{ 26891116Smsmith ACPI_OBJECT_TYPE Type; 26967754Smsmith ACPI_STATUS Status; 27067754Smsmith ACPI_INIT_WALK_INFO *Info = (ACPI_INIT_WALK_INFO *) Context; 27167754Smsmith ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle; 27267754Smsmith ACPI_OPERAND_OBJECT *ObjDesc; 27367754Smsmith 27467754Smsmith 27591116Smsmith ACPI_FUNCTION_NAME ("NsInitOneObject"); 27682367Smsmith 27782367Smsmith 27867754Smsmith Info->ObjectCount++; 27967754Smsmith 28067754Smsmith /* And even then, we are only interested in a few object types */ 28167754Smsmith 28267754Smsmith Type = AcpiNsGetType (ObjHandle); 28387031Smsmith ObjDesc = AcpiNsGetAttachedObject (Node); 28467754Smsmith if (!ObjDesc) 28567754Smsmith { 28667754Smsmith return (AE_OK); 28767754Smsmith } 28867754Smsmith 28999146Siwasaki /* Increment counters for object types we are looking for */ 29099146Siwasaki 29199146Siwasaki switch (Type) 29280062Smsmith { 29399146Siwasaki case ACPI_TYPE_REGION: 29499146Siwasaki Info->OpRegionCount++; 29599146Siwasaki break; 29699146Siwasaki 29799146Siwasaki case ACPI_TYPE_BUFFER_FIELD: 29899146Siwasaki Info->FieldCount++; 29999146Siwasaki break; 30099146Siwasaki 30199146Siwasaki case ACPI_TYPE_BUFFER: 30299146Siwasaki Info->BufferCount++; 30399146Siwasaki break; 30499146Siwasaki 30599146Siwasaki case ACPI_TYPE_PACKAGE: 30699146Siwasaki Info->PackageCount++; 30799146Siwasaki break; 30899146Siwasaki 30999146Siwasaki default: 31099146Siwasaki 31199146Siwasaki /* No init required, just exit now */ 31280062Smsmith return (AE_OK); 31380062Smsmith } 31480062Smsmith 31599146Siwasaki /* 31699146Siwasaki * If the object is already initialized, nothing else to do 31799146Siwasaki */ 31899146Siwasaki if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID) 31999146Siwasaki { 32099146Siwasaki return (AE_OK); 32199146Siwasaki } 32280062Smsmith 32380062Smsmith /* 32480062Smsmith * Must lock the interpreter before executing AML code 32580062Smsmith */ 32680062Smsmith Status = AcpiExEnterInterpreter (); 32780062Smsmith if (ACPI_FAILURE (Status)) 32880062Smsmith { 32980062Smsmith return (Status); 33080062Smsmith } 33180062Smsmith 33299146Siwasaki /* 33399146Siwasaki * Each of these types can contain executable AML code within 334102550Siwasaki * the declaration. 33599146Siwasaki */ 33667754Smsmith switch (Type) 33767754Smsmith { 33867754Smsmith case ACPI_TYPE_REGION: 33967754Smsmith 34067754Smsmith Info->OpRegionInit++; 34167754Smsmith Status = AcpiDsGetRegionArguments (ObjDesc); 34267754Smsmith break; 34367754Smsmith 34467754Smsmith 34577424Smsmith case ACPI_TYPE_BUFFER_FIELD: 34667754Smsmith 34767754Smsmith Info->FieldInit++; 34877424Smsmith Status = AcpiDsGetBufferFieldArguments (ObjDesc); 34999146Siwasaki break; 35067754Smsmith 35173561Smsmith 35299146Siwasaki case ACPI_TYPE_BUFFER: 35399146Siwasaki 35499146Siwasaki Info->BufferInit++; 35599146Siwasaki Status = AcpiDsGetBufferArguments (ObjDesc); 35667754Smsmith break; 35767754Smsmith 35899146Siwasaki 35999146Siwasaki case ACPI_TYPE_PACKAGE: 36099146Siwasaki 36199146Siwasaki Info->PackageInit++; 36299146Siwasaki Status = AcpiDsGetPackageArguments (ObjDesc); 36367754Smsmith break; 36499679Siwasaki 36599679Siwasaki default: 36699679Siwasaki /* No other types can get here */ 36799679Siwasaki break; 36867754Smsmith } 36967754Smsmith 37099146Siwasaki if (ACPI_FAILURE (Status)) 37199146Siwasaki { 37299146Siwasaki ACPI_DEBUG_PRINT_RAW ((ACPI_DB_ERROR, "\n")); 37399146Siwasaki ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 37499146Siwasaki "Could not execute arguments for [%4.4s] (%s), %s\n", 37599679Siwasaki Node->Name.Ascii, AcpiUtGetTypeName (Type), AcpiFormatException (Status))); 37699146Siwasaki } 37780062Smsmith 37899146Siwasaki if (!(AcpiDbgLevel & ACPI_LV_INIT)) 37999146Siwasaki { 38099146Siwasaki ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, ".")); 38199146Siwasaki } 38299146Siwasaki 38367754Smsmith /* 38467754Smsmith * We ignore errors from above, and always return OK, since 38599146Siwasaki * we don't want to abort the walk on any single error. 38667754Smsmith */ 38780062Smsmith AcpiExExitInterpreter (); 38867754Smsmith return (AE_OK); 38967754Smsmith} 39067754Smsmith 39167754Smsmith 39277424Smsmith/******************************************************************************* 39367754Smsmith * 39467754Smsmith * FUNCTION: AcpiNsInitOneDevice 39567754Smsmith * 39677424Smsmith * PARAMETERS: ACPI_WALK_CALLBACK 39767754Smsmith * 39867754Smsmith * RETURN: ACPI_STATUS 39967754Smsmith * 40067754Smsmith * DESCRIPTION: This is called once per device soon after ACPI is enabled 40167754Smsmith * to initialize each device. It determines if the device is 40267754Smsmith * present, and if so, calls _INI. 40367754Smsmith * 40477424Smsmith ******************************************************************************/ 40567754Smsmith 40667754SmsmithACPI_STATUS 40767754SmsmithAcpiNsInitOneDevice ( 40867754Smsmith ACPI_HANDLE ObjHandle, 40967754Smsmith UINT32 NestingLevel, 41067754Smsmith void *Context, 41167754Smsmith void **ReturnValue) 41267754Smsmith{ 41367754Smsmith ACPI_STATUS Status; 41467754Smsmith ACPI_NAMESPACE_NODE *Node; 41567754Smsmith UINT32 Flags; 41667754Smsmith ACPI_DEVICE_WALK_INFO *Info = (ACPI_DEVICE_WALK_INFO *) Context; 41767754Smsmith 41867754Smsmith 41991116Smsmith ACPI_FUNCTION_TRACE ("NsInitOneDevice"); 42067754Smsmith 42167754Smsmith 42282367Smsmith if (!(AcpiDbgLevel & ACPI_LV_INIT)) 42373561Smsmith { 42482367Smsmith ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, ".")); 42573561Smsmith } 42673561Smsmith 42767754Smsmith Info->DeviceCount++; 42867754Smsmith 42991116Smsmith Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); 43091116Smsmith if (ACPI_FAILURE (Status)) 43191116Smsmith { 43291116Smsmith return_ACPI_STATUS (Status); 43391116Smsmith } 43467754Smsmith 43585756Smsmith Node = AcpiNsMapHandleToNode (ObjHandle); 43667754Smsmith if (!Node) 43767754Smsmith { 43891116Smsmith (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); 43987031Smsmith return_ACPI_STATUS (AE_BAD_PARAMETER); 44067754Smsmith } 44167754Smsmith 44291116Smsmith Status = AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); 44391116Smsmith if (ACPI_FAILURE (Status)) 44491116Smsmith { 44591116Smsmith return_ACPI_STATUS (Status); 44691116Smsmith } 44767754Smsmith 44867754Smsmith /* 44967754Smsmith * Run _STA to determine if we can run _INI on the device. 45067754Smsmith */ 45191116Smsmith ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname (Node, "_STA [Method]")); 45277424Smsmith Status = AcpiUtExecute_STA (Node, &Flags); 45367754Smsmith if (ACPI_FAILURE (Status)) 45467754Smsmith { 45571867Smsmith /* Ignore error and move on to next device */ 45671867Smsmith 45771867Smsmith return_ACPI_STATUS (AE_OK); 45867754Smsmith } 45967754Smsmith 46067754Smsmith Info->Num_STA++; 46167754Smsmith 46267754Smsmith if (!(Flags & 0x01)) 46367754Smsmith { 46467754Smsmith /* don't look at children of a not present device */ 46577424Smsmith 46667754Smsmith return_ACPI_STATUS(AE_CTRL_DEPTH); 46767754Smsmith } 46867754Smsmith 46967754Smsmith /* 47067754Smsmith * The device is present. Run _INI. 47167754Smsmith */ 47291116Smsmith ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname (ObjHandle, "_INI [Method]")); 47367754Smsmith Status = AcpiNsEvaluateRelative (ObjHandle, "_INI", NULL, NULL); 47499679Siwasaki if (ACPI_FAILURE (Status)) 47567754Smsmith { 47699679Siwasaki /* No _INI (AE_NOT_FOUND) means device requires no initialization */ 47777424Smsmith 47899679Siwasaki if (Status != AE_NOT_FOUND) 47999679Siwasaki { 48099679Siwasaki /* Ignore error and move on to next device */ 48167754Smsmith 482102550Siwasaki #ifdef ACPI_DEBUG_OUTPUT 48399679Siwasaki NATIVE_CHAR *ScopeName = AcpiNsGetExternalPathname (ObjHandle); 48471867Smsmith 48599679Siwasaki ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "%s._INI failed: %s\n", 48699679Siwasaki ScopeName, AcpiFormatException (Status))); 48767754Smsmith 48899679Siwasaki ACPI_MEM_FREE (ScopeName); 48999679Siwasaki #endif 49099679Siwasaki } 49167754Smsmith 49299679Siwasaki Status = AE_OK; 49367754Smsmith } 49467754Smsmith else 49567754Smsmith { 49677424Smsmith /* Count of successful INIs */ 49771867Smsmith 49867754Smsmith Info->Num_INI++; 49967754Smsmith } 50067754Smsmith 50199679Siwasaki if (AcpiGbl_InitHandler) 50299679Siwasaki { 50399679Siwasaki /* External initialization handler is present, call it */ 50499679Siwasaki 50599679Siwasaki Status = AcpiGbl_InitHandler (ObjHandle, ACPI_INIT_DEVICE_INI); 50699679Siwasaki } 50799679Siwasaki 50899679Siwasaki 50999679Siwasaki return_ACPI_STATUS (Status); 51067754Smsmith} 511