1/******************************************************************************
2 *
3 * Module Name: nsxfname - Public interfaces to the ACPI subsystem
4 * ACPI Namespace oriented interfaces
5 *
6 *****************************************************************************/
7
8/*
9 * Copyright (C) 2000 - 2016, Intel Corp.
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions, and the following disclaimer,
17 * without modification.
18 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
19 * substantially similar to the "NO WARRANTY" disclaimer below
20 * ("Disclaimer") and any redistribution must be conditioned upon
21 * including a substantially similar Disclaimer requirement for further
22 * binary redistribution.
23 * 3. Neither the names of the above-listed copyright holders nor the names
24 * of any contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * Alternatively, this software may be distributed under the terms of the
28 * GNU General Public License ("GPL") version 2 as published by the Free
29 * Software Foundation.
30 *
31 * NO WARRANTY
32 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
33 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
34 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
35 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
36 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
40 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
41 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
42 * POSSIBILITY OF SUCH DAMAGES.
43 */
44
45#define EXPORT_ACPI_INTERFACES
46
47#include "acpi.h"
48#include "accommon.h"
49#include "acnamesp.h"
50#include "acparser.h"
51#include "amlcode.h"
52
53
54#define _COMPONENT ACPI_NAMESPACE
55 ACPI_MODULE_NAME ("nsxfname")
56
57/* Local prototypes */
58
59static char *
60AcpiNsCopyDeviceId (
61 ACPI_PNP_DEVICE_ID *Dest,
62 ACPI_PNP_DEVICE_ID *Source,
63 char *StringArea);
64
65
66/******************************************************************************
67 *
68 * FUNCTION: AcpiGetHandle
69 *
70 * PARAMETERS: Parent - Object to search under (search scope).
71 * Pathname - Pointer to an asciiz string containing the
72 * name
73 * RetHandle - Where the return handle is returned
74 *
75 * RETURN: Status
76 *
77 * DESCRIPTION: This routine will search for a caller specified name in the
78 * name space. The caller can restrict the search region by
79 * specifying a non NULL parent. The parent value is itself a
80 * namespace handle.
81 *
82 ******************************************************************************/
83
84ACPI_STATUS
85AcpiGetHandle (
86 ACPI_HANDLE Parent,
87 ACPI_CONST_STRING Pathname,
88 ACPI_HANDLE *RetHandle)
89{
90 ACPI_STATUS Status;
91 ACPI_NAMESPACE_NODE *Node = NULL;
92 ACPI_NAMESPACE_NODE *PrefixNode = NULL;
93 ACPI_STRING UPathname = __UNCONST(Pathname);
94
95
96 ACPI_FUNCTION_ENTRY ();
97
98
99 /* Parameter Validation */
100
101 if (!RetHandle || !Pathname)
102 {
103 return (AE_BAD_PARAMETER);
104 }
105
106 /* Convert a parent handle to a prefix node */
107
108 if (Parent)
109 {
110 PrefixNode = AcpiNsValidateHandle (Parent);
111 if (!PrefixNode)
112 {
113 return (AE_BAD_PARAMETER);
114 }
115 }
116
117 /*
118 * Valid cases are:
119 * 1) Fully qualified pathname
120 * 2) Parent + Relative pathname
121 *
122 * Error for <null Parent + relative path>
123 */
124 if (ACPI_IS_ROOT_PREFIX (Pathname[0]))
125 {
126 /* Pathname is fully qualified (starts with '\') */
127
128 /* Special case for root-only, since we can't search for it */
129
130 if (!strcmp (Pathname, ACPI_NS_ROOT_PATH))
131 {
132 *RetHandle = ACPI_CAST_PTR (ACPI_HANDLE, AcpiGbl_RootNode);
133 return (AE_OK);
134 }
135 }
136 else if (!PrefixNode)
137 {
138 /* Relative path with null prefix is disallowed */
139
140 return (AE_BAD_PARAMETER);
141 }
142
143 /* Find the Node and convert to a handle */
144
145 Status = AcpiNsGetNode (PrefixNode, UPathname, ACPI_NS_NO_UPSEARCH, &Node);
146 if (ACPI_SUCCESS (Status))
147 {
148 *RetHandle = ACPI_CAST_PTR (ACPI_HANDLE, Node);
149 }
150
151 return (Status);
152}
153
154ACPI_EXPORT_SYMBOL (AcpiGetHandle)
155
156
157/******************************************************************************
158 *
159 * FUNCTION: AcpiGetName
160 *
161 * PARAMETERS: Handle - Handle to be converted to a pathname
162 * NameType - Full pathname or single segment
163 * Buffer - Buffer for returned path
164 *
165 * RETURN: Pointer to a string containing the fully qualified Name.
166 *
167 * DESCRIPTION: This routine returns the fully qualified name associated with
168 * the Handle parameter. This and the AcpiPathnameToHandle are
169 * complementary functions.
170 *
171 ******************************************************************************/
172
173ACPI_STATUS
174AcpiGetName (
175 ACPI_HANDLE Handle,
176 UINT32 NameType,
177 ACPI_BUFFER *Buffer)
178{
179 ACPI_STATUS Status;
180 ACPI_NAMESPACE_NODE *Node;
181 const char *NodeName;
182
183
184 /* Parameter validation */
185
186 if (NameType > ACPI_NAME_TYPE_MAX)
187 {
188 return (AE_BAD_PARAMETER);
189 }
190
191 Status = AcpiUtValidateBuffer (Buffer);
192 if (ACPI_FAILURE (Status))
193 {
194 return (Status);
195 }
196
197 if (NameType == ACPI_FULL_PATHNAME ||
198 NameType == ACPI_FULL_PATHNAME_NO_TRAILING)
199 {
200 /* Get the full pathname (From the namespace root) */
201
202 Status = AcpiNsHandleToPathname (Handle, Buffer,
203 NameType == ACPI_FULL_PATHNAME ? FALSE : TRUE);
204 return (Status);
205 }
206
207 /*
208 * Wants the single segment ACPI name.
209 * Validate handle and convert to a namespace Node
210 */
211 Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
212 if (ACPI_FAILURE (Status))
213 {
214 return (Status);
215 }
216
217 Node = AcpiNsValidateHandle (Handle);
218 if (!Node)
219 {
220 Status = AE_BAD_PARAMETER;
221 goto UnlockAndExit;
222 }
223
224 /* Validate/Allocate/Clear caller buffer */
225
226 Status = AcpiUtInitializeBuffer (Buffer, ACPI_PATH_SEGMENT_LENGTH);
227 if (ACPI_FAILURE (Status))
228 {
229 goto UnlockAndExit;
230 }
231
232 /* Just copy the ACPI name from the Node and zero terminate it */
233
234 NodeName = __UNCONST(AcpiUtGetNodeName (Node));
235 ACPI_MOVE_NAME (Buffer->Pointer, NodeName);
236 ((char *) Buffer->Pointer) [ACPI_NAME_SIZE] = 0;
237 Status = AE_OK;
238
239
240UnlockAndExit:
241
242 (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
243 return (Status);
244}
245
246ACPI_EXPORT_SYMBOL (AcpiGetName)
247
248
249/******************************************************************************
250 *
251 * FUNCTION: AcpiNsCopyDeviceId
252 *
253 * PARAMETERS: Dest - Pointer to the destination PNP_DEVICE_ID
254 * Source - Pointer to the source PNP_DEVICE_ID
255 * StringArea - Pointer to where to copy the dest string
256 *
257 * RETURN: Pointer to the next string area
258 *
259 * DESCRIPTION: Copy a single PNP_DEVICE_ID, including the string data.
260 *
261 ******************************************************************************/
262
263static char *
264AcpiNsCopyDeviceId (
265 ACPI_PNP_DEVICE_ID *Dest,
266 ACPI_PNP_DEVICE_ID *Source,
267 char *StringArea)
268{
269 /* Create the destination PNP_DEVICE_ID */
270
271 Dest->String = StringArea;
272 Dest->Length = Source->Length;
273
274 /* Copy actual string and return a pointer to the next string area */
275
276 memcpy (StringArea, Source->String, Source->Length);
277 return (StringArea + Source->Length);
278}
279
280
281/******************************************************************************
282 *
283 * FUNCTION: AcpiGetObjectInfo
284 *
285 * PARAMETERS: Handle - Object Handle
286 * ReturnBuffer - Where the info is returned
287 *
288 * RETURN: Status
289 *
290 * DESCRIPTION: Returns information about an object as gleaned from the
291 * namespace node and possibly by running several standard
292 * control methods (Such as in the case of a device.)
293 *
294 * For Device and Processor objects, run the Device _HID, _UID, _CID, _STA,
295 * _CLS, _ADR, _SxW, and _SxD methods.
296 *
297 * Note: Allocates the return buffer, must be freed by the caller.
298 *
299 * Note: This interface is intended to be used during the initial device
300 * discovery namespace traversal. Therefore, no complex methods can be
301 * executed, especially those that access operation regions. Therefore, do
302 * not add any additional methods that could cause problems in this area.
303 * this was the fate of the _SUB method which was found to cause such
304 * problems and was removed (11/2015).
305 *
306 ******************************************************************************/
307
308ACPI_STATUS
309AcpiGetObjectInfo (
310 ACPI_HANDLE Handle,
311 ACPI_DEVICE_INFO **ReturnBuffer)
312{
313 ACPI_NAMESPACE_NODE *Node;
314 ACPI_DEVICE_INFO *Info;
315 ACPI_PNP_DEVICE_ID_LIST *CidList = NULL;
316 ACPI_PNP_DEVICE_ID *Hid = NULL;
317 ACPI_PNP_DEVICE_ID *Uid = NULL;
318 ACPI_PNP_DEVICE_ID *Cls = NULL;
319 char *NextIdString;
320 ACPI_OBJECT_TYPE Type;
321 ACPI_NAME Name;
322 UINT8 ParamCount= 0;
323 UINT16 Valid = 0;
324 UINT32 InfoSize;
325 UINT32 i;
326 ACPI_STATUS Status;
327
328
329 /* Parameter validation */
330
331 if (!Handle || !ReturnBuffer)
332 {
333 return (AE_BAD_PARAMETER);
334 }
335
336 Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
337 if (ACPI_FAILURE (Status))
338 {
339 return (Status);
340 }
341
342 Node = AcpiNsValidateHandle (Handle);
343 if (!Node)
344 {
345 (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
346 return (AE_BAD_PARAMETER);
347 }
348
349 /* Get the namespace node data while the namespace is locked */
350
351 InfoSize = sizeof (ACPI_DEVICE_INFO);
352 Type = Node->Type;
353 Name = Node->Name.Integer;
354
355 if (Node->Type == ACPI_TYPE_METHOD)
356 {
357 ParamCount = Node->Object->Method.ParamCount;
358 }
359
360 Status = AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
361 if (ACPI_FAILURE (Status))
362 {
363 return (Status);
364 }
365
366 if ((Type == ACPI_TYPE_DEVICE) ||
367 (Type == ACPI_TYPE_PROCESSOR))
368 {
369 /*
370 * Get extra info for ACPI Device/Processor objects only:
371 * Run the Device _HID, _UID, _CLS, and _CID methods.
372 *
373 * Note: none of these methods are required, so they may or may
374 * not be present for this device. The Info->Valid bitfield is used
375 * to indicate which methods were found and run successfully.
376 */
377
378 /* Execute the Device._HID method */
379
380 Status = AcpiUtExecute_HID (Node, &Hid);
381 if (ACPI_SUCCESS (Status))
382 {
383 InfoSize += Hid->Length;
384 Valid |= ACPI_VALID_HID;
385 }
386
387 /* Execute the Device._UID method */
388
389 Status = AcpiUtExecute_UID (Node, &Uid);
390 if (ACPI_SUCCESS (Status))
391 {
392 InfoSize += Uid->Length;
393 Valid |= ACPI_VALID_UID;
394 }
395
396 /* Execute the Device._CID method */
397
398 Status = AcpiUtExecute_CID (Node, &CidList);
399 if (ACPI_SUCCESS (Status))
400 {
401 /* Add size of CID strings and CID pointer array */
402
403 InfoSize += (CidList->ListSize - sizeof (ACPI_PNP_DEVICE_ID_LIST));
404 Valid |= ACPI_VALID_CID;
405 }
406
407 /* Execute the Device._CLS method */
408
409 Status = AcpiUtExecute_CLS (Node, &Cls);
410 if (ACPI_SUCCESS (Status))
411 {
412 InfoSize += Cls->Length;
413 Valid |= ACPI_VALID_CLS;
414 }
415 }
416
417 /*
418 * Now that we have the variable-length data, we can allocate the
419 * return buffer
420 */
421 Info = ACPI_ALLOCATE_ZEROED (InfoSize);
422 if (!Info)
423 {
424 Status = AE_NO_MEMORY;
425 goto Cleanup;
426 }
427
428 /* Get the fixed-length data */
429
430 if ((Type == ACPI_TYPE_DEVICE) ||
431 (Type == ACPI_TYPE_PROCESSOR))
432 {
433 /*
434 * Get extra info for ACPI Device/Processor objects only:
435 * Run the _STA, _ADR and, SxW, and _SxD methods.
436 *
437 * Notes: none of these methods are required, so they may or may
438 * not be present for this device. The Info->Valid bitfield is used
439 * to indicate which methods were found and run successfully.
440 *
441 * For _STA, if the method does not exist, then (as per the ACPI
442 * specification), the returned CurrentStatus flags will indicate
443 * that the device is present/functional/enabled. Otherwise, the
444 * CurrentStatus flags reflect the value returned from _STA.
445 */
446
447 /* Execute the Device._STA method */
448
449 Status = AcpiUtExecute_STA (Node, &Info->CurrentStatus);
450 if (ACPI_SUCCESS (Status))
451 {
452 Valid |= ACPI_VALID_STA;
453 }
454
455 /* Execute the Device._ADR method */
456
457 Status = AcpiUtEvaluateNumericObject (METHOD_NAME__ADR, Node,
458 &Info->Address);
459 if (ACPI_SUCCESS (Status))
460 {
461 Valid |= ACPI_VALID_ADR;
462 }
463
464 /* Execute the Device._SxW methods */
465
466 Status = AcpiUtExecutePowerMethods (Node,
467 AcpiGbl_LowestDstateNames, ACPI_NUM_SxW_METHODS,
468 Info->LowestDstates);
469 if (ACPI_SUCCESS (Status))
470 {
471 Valid |= ACPI_VALID_SXWS;
472 }
473
474 /* Execute the Device._SxD methods */
475
476 Status = AcpiUtExecutePowerMethods (Node,
477 AcpiGbl_HighestDstateNames, ACPI_NUM_SxD_METHODS,
478 Info->HighestDstates);
479 if (ACPI_SUCCESS (Status))
480 {
481 Valid |= ACPI_VALID_SXDS;
482 }
483 }
484
485 /*
486 * Create a pointer to the string area of the return buffer.
487 * Point to the end of the base ACPI_DEVICE_INFO structure.
488 */
489 NextIdString = ACPI_CAST_PTR (char, Info->CompatibleIdList.Ids);
490 if (CidList)
491 {
492 /* Point past the CID PNP_DEVICE_ID array */
493
494 NextIdString += ((ACPI_SIZE) CidList->Count * sizeof (ACPI_PNP_DEVICE_ID));
495 }
496
497 /*
498 * Copy the HID, UID, and CIDs to the return buffer. The variable-length
499 * strings are copied to the reserved area at the end of the buffer.
500 *
501 * For HID and CID, check if the ID is a PCI Root Bridge.
502 */
503 if (Hid)
504 {
505 NextIdString = AcpiNsCopyDeviceId (&Info->HardwareId,
506 Hid, NextIdString);
507
508 if (AcpiUtIsPciRootBridge (Hid->String))
509 {
510 Info->Flags |= ACPI_PCI_ROOT_BRIDGE;
511 }
512 }
513
514 if (Uid)
515 {
516 NextIdString = AcpiNsCopyDeviceId (&Info->UniqueId,
517 Uid, NextIdString);
518 }
519
520 if (CidList)
521 {
522 Info->CompatibleIdList.Count = CidList->Count;
523 Info->CompatibleIdList.ListSize = CidList->ListSize;
524
525 /* Copy each CID */
526
527 for (i = 0; i < CidList->Count; i++)
528 {
529 NextIdString = AcpiNsCopyDeviceId (&Info->CompatibleIdList.Ids[i],
530 &CidList->Ids[i], NextIdString);
531
532 if (AcpiUtIsPciRootBridge (CidList->Ids[i].String))
533 {
534 Info->Flags |= ACPI_PCI_ROOT_BRIDGE;
535 }
536 }
537 }
538
539 if (Cls)
540 {
541 NextIdString = AcpiNsCopyDeviceId (&Info->ClassCode,
542 Cls, NextIdString);
543 }
544
545 /* Copy the fixed-length data */
546
547 Info->InfoSize = InfoSize;
548 Info->Type = Type;
549 Info->Name = Name;
550 Info->ParamCount = ParamCount;
551 Info->Valid = Valid;
552
553 *ReturnBuffer = Info;
554 Status = AE_OK;
555
556
557Cleanup:
558 if (Hid)
559 {
560 ACPI_FREE (Hid);
561 }
562 if (Uid)
563 {
564 ACPI_FREE (Uid);
565 }
566 if (CidList)
567 {
568 ACPI_FREE (CidList);
569 }
570 if (Cls)
571 {
572 ACPI_FREE (Cls);
573 }
574 return (Status);
575}
576
577ACPI_EXPORT_SYMBOL (AcpiGetObjectInfo)
578
579
580/******************************************************************************
581 *
582 * FUNCTION: AcpiInstallMethod
583 *
584 * PARAMETERS: Buffer - An ACPI table containing one control method
585 *
586 * RETURN: Status
587 *
588 * DESCRIPTION: Install a control method into the namespace. If the method
589 * name already exists in the namespace, it is overwritten. The
590 * input buffer must contain a valid DSDT or SSDT containing a
591 * single control method.
592 *
593 ******************************************************************************/
594
595ACPI_STATUS
596AcpiInstallMethod (
597 UINT8 *Buffer)
598{
599 ACPI_TABLE_HEADER *Table = ACPI_CAST_PTR (ACPI_TABLE_HEADER, Buffer);
600 UINT8 *AmlBuffer;
601 UINT8 *AmlStart;
602 char *Path;
603 ACPI_NAMESPACE_NODE *Node;
604 ACPI_OPERAND_OBJECT *MethodObj;
605 ACPI_PARSE_STATE ParserState;
606 UINT32 AmlLength;
607 UINT16 Opcode;
608 UINT8 MethodFlags;
609 ACPI_STATUS Status;
610
611
612 /* Parameter validation */
613
614 if (!Buffer)
615 {
616 return (AE_BAD_PARAMETER);
617 }
618
619 /* Table must be a DSDT or SSDT */
620
621 if (!ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_DSDT) &&
622 !ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_SSDT))
623 {
624 return (AE_BAD_HEADER);
625 }
626
627 /* First AML opcode in the table must be a control method */
628
629 ParserState.Aml = Buffer + sizeof (ACPI_TABLE_HEADER);
630 Opcode = AcpiPsPeekOpcode (&ParserState);
631 if (Opcode != AML_METHOD_OP)
632 {
633 return (AE_BAD_PARAMETER);
634 }
635
636 /* Extract method information from the raw AML */
637
638 ParserState.Aml += AcpiPsGetOpcodeSize (Opcode);
639 ParserState.PkgEnd = AcpiPsGetNextPackageEnd (&ParserState);
640 Path = AcpiPsGetNextNamestring (&ParserState);
641
642 MethodFlags = *ParserState.Aml++;
643 AmlStart = ParserState.Aml;
644 AmlLength = ACPI_PTR_DIFF (ParserState.PkgEnd, AmlStart);
645
646 /*
647 * Allocate resources up-front. We don't want to have to delete a new
648 * node from the namespace if we cannot allocate memory.
649 */
650 AmlBuffer = ACPI_ALLOCATE (AmlLength);
651 if (!AmlBuffer)
652 {
653 return (AE_NO_MEMORY);
654 }
655
656 MethodObj = AcpiUtCreateInternalObject (ACPI_TYPE_METHOD);
657 if (!MethodObj)
658 {
659 ACPI_FREE (AmlBuffer);
660 return (AE_NO_MEMORY);
661 }
662
663 /* Lock namespace for AcpiNsLookup, we may be creating a new node */
664
665 Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
666 if (ACPI_FAILURE (Status))
667 {
668 goto ErrorExit;
669 }
670
671 /* The lookup either returns an existing node or creates a new one */
672
673 Status = AcpiNsLookup (NULL, Path, ACPI_TYPE_METHOD, ACPI_IMODE_LOAD_PASS1,
674 ACPI_NS_DONT_OPEN_SCOPE | ACPI_NS_ERROR_IF_FOUND, NULL, &Node);
675
676 (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
677
678 if (ACPI_FAILURE (Status)) /* NsLookup */
679 {
680 if (Status != AE_ALREADY_EXISTS)
681 {
682 goto ErrorExit;
683 }
684
685 /* Node existed previously, make sure it is a method node */
686
687 if (Node->Type != ACPI_TYPE_METHOD)
688 {
689 Status = AE_TYPE;
690 goto ErrorExit;
691 }
692 }
693
694 /* Copy the method AML to the local buffer */
695
696 memcpy (AmlBuffer, AmlStart, AmlLength);
697
698 /* Initialize the method object with the new method's information */
699
700 MethodObj->Method.AmlStart = AmlBuffer;
701 MethodObj->Method.AmlLength = AmlLength;
702
703 MethodObj->Method.ParamCount = (UINT8)
704 (MethodFlags & AML_METHOD_ARG_COUNT);
705
706 if (MethodFlags & AML_METHOD_SERIALIZED)
707 {
708 MethodObj->Method.InfoFlags = ACPI_METHOD_SERIALIZED;
709
710 MethodObj->Method.SyncLevel = (UINT8)
711 ((MethodFlags & AML_METHOD_SYNC_LEVEL) >> 4);
712 }
713
714 /*
715 * Now that it is complete, we can attach the new method object to
716 * the method Node (detaches/deletes any existing object)
717 */
718 Status = AcpiNsAttachObject (Node, MethodObj, ACPI_TYPE_METHOD);
719
720 /*
721 * Flag indicates AML buffer is dynamic, must be deleted later.
722 * Must be set only after attach above.
723 */
724 Node->Flags |= ANOBJ_ALLOCATED_BUFFER;
725
726 /* Remove local reference to the method object */
727
728 AcpiUtRemoveReference (MethodObj);
729 return (Status);
730
731
732ErrorExit:
733
734 ACPI_FREE (AmlBuffer);
735 ACPI_FREE (MethodObj);
736 return (Status);
737}
738
739ACPI_EXPORT_SYMBOL (AcpiInstallMethod)
740