nsinit.c revision 123315
167754Smsmith/****************************************************************************** 267754Smsmith * 367754Smsmith * Module Name: nsinit - namespace initialization 4123315Snjl * $Revision: 57 $ 567754Smsmith * 667754Smsmith *****************************************************************************/ 767754Smsmith 867754Smsmith/****************************************************************************** 967754Smsmith * 1067754Smsmith * 1. Copyright Notice 1167754Smsmith * 12114237Snjl * Some or all of this work - Copyright (c) 1999 - 2003, 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")); 155114237Snjl ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, "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 172114237Snjl ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, 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)); 178114237Snjl 17982367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 18099679Siwasaki "%hd Control Methods found\n", Info.MethodCount)); 18182367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 18299679Siwasaki "%hd Op Regions found\n", Info.OpRegionCount)); 18367754Smsmith 18467754Smsmith return_ACPI_STATUS (AE_OK); 18567754Smsmith} 18667754Smsmith 18767754Smsmith 18877424Smsmith/******************************************************************************* 18967754Smsmith * 19067754Smsmith * FUNCTION: AcpiNsInitializeDevices 19167754Smsmith * 19267754Smsmith * PARAMETERS: None 19367754Smsmith * 19467754Smsmith * RETURN: ACPI_STATUS 19567754Smsmith * 19667754Smsmith * DESCRIPTION: Walk the entire namespace and initialize all ACPI devices. 19767754Smsmith * This means running _INI on all present devices. 19867754Smsmith * 19977424Smsmith * Note: We install PCI config space handler on region access, 20077424Smsmith * not here. 20167754Smsmith * 20277424Smsmith ******************************************************************************/ 20367754Smsmith 20467754SmsmithACPI_STATUS 20567754SmsmithAcpiNsInitializeDevices ( 20673561Smsmith void) 20767754Smsmith{ 20867754Smsmith ACPI_STATUS Status; 20967754Smsmith ACPI_DEVICE_WALK_INFO Info; 21067754Smsmith 21167754Smsmith 21291116Smsmith ACPI_FUNCTION_TRACE ("NsInitializeDevices"); 21367754Smsmith 21467754Smsmith 21599146Siwasaki /* Init counters */ 21699146Siwasaki 21767754Smsmith Info.DeviceCount = 0; 21867754Smsmith Info.Num_STA = 0; 21967754Smsmith Info.Num_INI = 0; 22067754Smsmith 221114237Snjl ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, "Executing all Device _STA and_INI methods:")); 22267754Smsmith 223123315Snjl Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); 224123315Snjl if (ACPI_FAILURE (Status)) 225123315Snjl { 226123315Snjl return_ACPI_STATUS (Status); 227123315Snjl } 22867754Smsmith 229123315Snjl /* Walk namespace for all objects of type Device or Processor */ 23067754Smsmith 231123315Snjl Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, 232123315Snjl ACPI_UINT32_MAX, TRUE, AcpiNsInitOneDevice, &Info, NULL); 233123315Snjl 234123315Snjl (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); 235123315Snjl 23667754Smsmith if (ACPI_FAILURE (Status)) 23767754Smsmith { 238102550Siwasaki ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "WalkNamespace failed! %s\n", 23999679Siwasaki AcpiFormatException (Status))); 24067754Smsmith } 24167754Smsmith 242114237Snjl ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, 24399679Siwasaki "\n%hd Devices found containing: %hd _STA, %hd _INI methods\n", 24469746Smsmith Info.DeviceCount, Info.Num_STA, Info.Num_INI)); 24567754Smsmith 24667754Smsmith return_ACPI_STATUS (Status); 24767754Smsmith} 24867754Smsmith 24967754Smsmith 25067754Smsmith/******************************************************************************* 25167754Smsmith * 25267754Smsmith * FUNCTION: AcpiNsInitOneObject 25367754Smsmith * 25467754Smsmith * PARAMETERS: ObjHandle - Node 25567754Smsmith * Level - Current nesting level 25667754Smsmith * Context - Points to a init info struct 25767754Smsmith * ReturnValue - Not used 25867754Smsmith * 25967754Smsmith * RETURN: Status 26067754Smsmith * 26167754Smsmith * DESCRIPTION: Callback from AcpiWalkNamespace. Invoked for every object 26267754Smsmith * within the namespace. 26367754Smsmith * 26467754Smsmith * Currently, the only objects that require initialization are: 26567754Smsmith * 1) Methods 26667754Smsmith * 2) Op Regions 26767754Smsmith * 26867754Smsmith ******************************************************************************/ 26967754Smsmith 27067754SmsmithACPI_STATUS 27167754SmsmithAcpiNsInitOneObject ( 27267754Smsmith ACPI_HANDLE ObjHandle, 27367754Smsmith UINT32 Level, 27467754Smsmith void *Context, 27567754Smsmith void **ReturnValue) 27667754Smsmith{ 27791116Smsmith ACPI_OBJECT_TYPE Type; 27867754Smsmith ACPI_STATUS Status; 27967754Smsmith ACPI_INIT_WALK_INFO *Info = (ACPI_INIT_WALK_INFO *) Context; 28067754Smsmith ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle; 28167754Smsmith ACPI_OPERAND_OBJECT *ObjDesc; 28267754Smsmith 28367754Smsmith 28491116Smsmith ACPI_FUNCTION_NAME ("NsInitOneObject"); 28582367Smsmith 28682367Smsmith 28767754Smsmith Info->ObjectCount++; 28867754Smsmith 28967754Smsmith /* And even then, we are only interested in a few object types */ 29067754Smsmith 29167754Smsmith Type = AcpiNsGetType (ObjHandle); 29287031Smsmith ObjDesc = AcpiNsGetAttachedObject (Node); 29367754Smsmith if (!ObjDesc) 29467754Smsmith { 29567754Smsmith return (AE_OK); 29667754Smsmith } 29767754Smsmith 29899146Siwasaki /* Increment counters for object types we are looking for */ 29999146Siwasaki 30099146Siwasaki switch (Type) 30180062Smsmith { 30299146Siwasaki case ACPI_TYPE_REGION: 30399146Siwasaki Info->OpRegionCount++; 30499146Siwasaki break; 30599146Siwasaki 30699146Siwasaki case ACPI_TYPE_BUFFER_FIELD: 30799146Siwasaki Info->FieldCount++; 30899146Siwasaki break; 30999146Siwasaki 31099146Siwasaki case ACPI_TYPE_BUFFER: 31199146Siwasaki Info->BufferCount++; 31299146Siwasaki break; 31399146Siwasaki 31499146Siwasaki case ACPI_TYPE_PACKAGE: 31599146Siwasaki Info->PackageCount++; 31699146Siwasaki break; 31799146Siwasaki 31899146Siwasaki default: 31999146Siwasaki 32099146Siwasaki /* No init required, just exit now */ 32180062Smsmith return (AE_OK); 32280062Smsmith } 32380062Smsmith 32499146Siwasaki /* 32599146Siwasaki * If the object is already initialized, nothing else to do 32699146Siwasaki */ 32799146Siwasaki if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID) 32899146Siwasaki { 32999146Siwasaki return (AE_OK); 33099146Siwasaki } 33180062Smsmith 33280062Smsmith /* 33380062Smsmith * Must lock the interpreter before executing AML code 33480062Smsmith */ 33580062Smsmith Status = AcpiExEnterInterpreter (); 33680062Smsmith if (ACPI_FAILURE (Status)) 33780062Smsmith { 33880062Smsmith return (Status); 33980062Smsmith } 34080062Smsmith 34199146Siwasaki /* 34299146Siwasaki * Each of these types can contain executable AML code within 343102550Siwasaki * the declaration. 34499146Siwasaki */ 34567754Smsmith switch (Type) 34667754Smsmith { 34767754Smsmith case ACPI_TYPE_REGION: 34867754Smsmith 34967754Smsmith Info->OpRegionInit++; 35067754Smsmith Status = AcpiDsGetRegionArguments (ObjDesc); 35167754Smsmith break; 35267754Smsmith 35367754Smsmith 35477424Smsmith case ACPI_TYPE_BUFFER_FIELD: 35567754Smsmith 35667754Smsmith Info->FieldInit++; 35777424Smsmith Status = AcpiDsGetBufferFieldArguments (ObjDesc); 35899146Siwasaki break; 35967754Smsmith 36073561Smsmith 36199146Siwasaki case ACPI_TYPE_BUFFER: 36299146Siwasaki 36399146Siwasaki Info->BufferInit++; 36499146Siwasaki Status = AcpiDsGetBufferArguments (ObjDesc); 36567754Smsmith break; 36667754Smsmith 36799146Siwasaki 36899146Siwasaki case ACPI_TYPE_PACKAGE: 36999146Siwasaki 37099146Siwasaki Info->PackageInit++; 37199146Siwasaki Status = AcpiDsGetPackageArguments (ObjDesc); 37267754Smsmith break; 37399679Siwasaki 37499679Siwasaki default: 37599679Siwasaki /* No other types can get here */ 37699679Siwasaki break; 37767754Smsmith } 37867754Smsmith 37999146Siwasaki if (ACPI_FAILURE (Status)) 38099146Siwasaki { 38199146Siwasaki ACPI_DEBUG_PRINT_RAW ((ACPI_DB_ERROR, "\n")); 38299146Siwasaki ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 38399146Siwasaki "Could not execute arguments for [%4.4s] (%s), %s\n", 384123315Snjl AcpiUtGetNodeName (Node), AcpiUtGetTypeName (Type), 385123315Snjl AcpiFormatException (Status))); 38699146Siwasaki } 38780062Smsmith 388114237Snjl /* Print a dot for each object unless we are going to print the entire pathname */ 389114237Snjl 390114237Snjl if (!(AcpiDbgLevel & ACPI_LV_INIT_NAMES)) 39199146Siwasaki { 392114237Snjl ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, ".")); 39399146Siwasaki } 39499146Siwasaki 39567754Smsmith /* 39667754Smsmith * We ignore errors from above, and always return OK, since 39799146Siwasaki * we don't want to abort the walk on any single error. 39867754Smsmith */ 39980062Smsmith AcpiExExitInterpreter (); 40067754Smsmith return (AE_OK); 40167754Smsmith} 40267754Smsmith 40367754Smsmith 40477424Smsmith/******************************************************************************* 40567754Smsmith * 40667754Smsmith * FUNCTION: AcpiNsInitOneDevice 40767754Smsmith * 40877424Smsmith * PARAMETERS: ACPI_WALK_CALLBACK 40967754Smsmith * 41067754Smsmith * RETURN: ACPI_STATUS 41167754Smsmith * 41267754Smsmith * DESCRIPTION: This is called once per device soon after ACPI is enabled 41367754Smsmith * to initialize each device. It determines if the device is 41467754Smsmith * present, and if so, calls _INI. 41567754Smsmith * 41677424Smsmith ******************************************************************************/ 41767754Smsmith 41867754SmsmithACPI_STATUS 41967754SmsmithAcpiNsInitOneDevice ( 42067754Smsmith ACPI_HANDLE ObjHandle, 42167754Smsmith UINT32 NestingLevel, 42267754Smsmith void *Context, 42367754Smsmith void **ReturnValue) 42467754Smsmith{ 42567754Smsmith ACPI_STATUS Status; 42667754Smsmith ACPI_NAMESPACE_NODE *Node; 42767754Smsmith UINT32 Flags; 42867754Smsmith ACPI_DEVICE_WALK_INFO *Info = (ACPI_DEVICE_WALK_INFO *) Context; 42967754Smsmith 43067754Smsmith 43191116Smsmith ACPI_FUNCTION_TRACE ("NsInitOneDevice"); 43267754Smsmith 43367754Smsmith 434123315Snjl Node = AcpiNsMapHandleToNode (ObjHandle); 435123315Snjl if (!Node) 43673561Smsmith { 437123315Snjl return_ACPI_STATUS (AE_BAD_PARAMETER); 43873561Smsmith } 43973561Smsmith 440123315Snjl /* 441123315Snjl * We will run _STA/_INI on Devices and Processors only 442123315Snjl */ 443123315Snjl if ((Node->Type != ACPI_TYPE_DEVICE) && 444123315Snjl (Node->Type != ACPI_TYPE_PROCESSOR)) 44591116Smsmith { 446123315Snjl return_ACPI_STATUS (AE_OK); 44791116Smsmith } 44867754Smsmith 449123315Snjl if ((AcpiDbgLevel <= ACPI_LV_ALL_EXCEPTIONS) && (!(AcpiDbgLevel & ACPI_LV_INFO))) 45067754Smsmith { 451123315Snjl ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, ".")); 45267754Smsmith } 45367754Smsmith 454123315Snjl Info->DeviceCount++; 45567754Smsmith 45667754Smsmith /* 45767754Smsmith * Run _STA to determine if we can run _INI on the device. 45867754Smsmith */ 459114237Snjl ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname (ACPI_TYPE_METHOD, Node, "_STA")); 46077424Smsmith Status = AcpiUtExecute_STA (Node, &Flags); 461123315Snjl 46267754Smsmith if (ACPI_FAILURE (Status)) 46367754Smsmith { 464123315Snjl if (Node->Type == ACPI_TYPE_DEVICE) 465123315Snjl { 466123315Snjl /* Ignore error and move on to next device */ 46771867Smsmith 468123315Snjl return_ACPI_STATUS (AE_OK); 469123315Snjl } 470123315Snjl 471123315Snjl /* _STA is not required for Processor objects */ 47267754Smsmith } 473123315Snjl else 474123315Snjl { 475123315Snjl Info->Num_STA++; 47667754Smsmith 477123315Snjl if (!(Flags & 0x01)) 478123315Snjl { 479123315Snjl /* Don't look at children of a not present device */ 48067754Smsmith 481123315Snjl return_ACPI_STATUS(AE_CTRL_DEPTH); 482123315Snjl } 48367754Smsmith } 48467754Smsmith 48567754Smsmith /* 48667754Smsmith * The device is present. Run _INI. 48767754Smsmith */ 488114237Snjl ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname (ACPI_TYPE_METHOD, ObjHandle, "_INI")); 48967754Smsmith Status = AcpiNsEvaluateRelative (ObjHandle, "_INI", NULL, NULL); 49099679Siwasaki if (ACPI_FAILURE (Status)) 49167754Smsmith { 49299679Siwasaki /* No _INI (AE_NOT_FOUND) means device requires no initialization */ 49377424Smsmith 49499679Siwasaki if (Status != AE_NOT_FOUND) 49599679Siwasaki { 49699679Siwasaki /* Ignore error and move on to next device */ 49767754Smsmith 498102550Siwasaki #ifdef ACPI_DEBUG_OUTPUT 499114237Snjl char *ScopeName = AcpiNsGetExternalPathname (ObjHandle); 50071867Smsmith 50199679Siwasaki ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "%s._INI failed: %s\n", 50299679Siwasaki ScopeName, AcpiFormatException (Status))); 50367754Smsmith 50499679Siwasaki ACPI_MEM_FREE (ScopeName); 50599679Siwasaki #endif 50699679Siwasaki } 50767754Smsmith 50899679Siwasaki Status = AE_OK; 50967754Smsmith } 51067754Smsmith else 51167754Smsmith { 51277424Smsmith /* Count of successful INIs */ 51371867Smsmith 51467754Smsmith Info->Num_INI++; 51567754Smsmith } 51667754Smsmith 51799679Siwasaki if (AcpiGbl_InitHandler) 51899679Siwasaki { 51999679Siwasaki /* External initialization handler is present, call it */ 52099679Siwasaki 52199679Siwasaki Status = AcpiGbl_InitHandler (ObjHandle, ACPI_INIT_DEVICE_INI); 52299679Siwasaki } 52399679Siwasaki 52499679Siwasaki 52599679Siwasaki return_ACPI_STATUS (Status); 52667754Smsmith} 527