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1da177e4 LT |
1 | /******************************************************************************* |
2 | * | |
3 | * Module Name: rscreate - Create resource lists/tables | |
4 | * | |
5 | ******************************************************************************/ | |
6 | ||
7 | /* | |
fbb7a2dc | 8 | * Copyright (C) 2000 - 2014, Intel Corp. |
1da177e4 LT |
9 | * All rights reserved. |
10 | * | |
11 | * Redistribution and use in source and binary forms, with or without | |
12 | * modification, are permitted provided that the following conditions | |
13 | * are met: | |
14 | * 1. Redistributions of source code must retain the above copyright | |
15 | * notice, this list of conditions, and the following disclaimer, | |
16 | * without modification. | |
17 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer | |
18 | * substantially similar to the "NO WARRANTY" disclaimer below | |
19 | * ("Disclaimer") and any redistribution must be conditioned upon | |
20 | * including a substantially similar Disclaimer requirement for further | |
21 | * binary redistribution. | |
22 | * 3. Neither the names of the above-listed copyright holders nor the names | |
23 | * of any contributors may be used to endorse or promote products derived | |
24 | * from this software without specific prior written permission. | |
25 | * | |
26 | * Alternatively, this software may be distributed under the terms of the | |
27 | * GNU General Public License ("GPL") version 2 as published by the Free | |
28 | * Software Foundation. | |
29 | * | |
30 | * NO WARRANTY | |
31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
32 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
33 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR | |
34 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
35 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
39 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
40 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
41 | * POSSIBILITY OF SUCH DAMAGES. | |
42 | */ | |
43 | ||
1da177e4 | 44 | #include <acpi/acpi.h> |
e2f7a777 LB |
45 | #include "accommon.h" |
46 | #include "acresrc.h" | |
47 | #include "acnamesp.h" | |
1da177e4 LT |
48 | |
49 | #define _COMPONENT ACPI_RESOURCES | |
4be44fcd | 50 | ACPI_MODULE_NAME("rscreate") |
1da177e4 | 51 | |
0e243178 BM |
52 | /******************************************************************************* |
53 | * | |
54 | * FUNCTION: acpi_buffer_to_resource | |
55 | * | |
56 | * PARAMETERS: aml_buffer - Pointer to the resource byte stream | |
57 | * aml_buffer_length - Length of the aml_buffer | |
58 | * resource_ptr - Where the converted resource is returned | |
59 | * | |
60 | * RETURN: Status | |
61 | * | |
62 | * DESCRIPTION: Convert a raw AML buffer to a resource list | |
63 | * | |
64 | ******************************************************************************/ | |
65 | acpi_status | |
66 | acpi_buffer_to_resource(u8 *aml_buffer, | |
67 | u16 aml_buffer_length, | |
68 | struct acpi_resource **resource_ptr) | |
69 | { | |
70 | acpi_status status; | |
71 | acpi_size list_size_needed; | |
72 | void *resource; | |
73 | void *current_resource_ptr; | |
74 | ||
75 | /* | |
76 | * Note: we allow AE_AML_NO_RESOURCE_END_TAG, since an end tag | |
77 | * is not required here. | |
78 | */ | |
79 | ||
80 | /* Get the required length for the converted resource */ | |
81 | ||
82 | status = acpi_rs_get_list_length(aml_buffer, aml_buffer_length, | |
83 | &list_size_needed); | |
84 | if (status == AE_AML_NO_RESOURCE_END_TAG) { | |
85 | status = AE_OK; | |
86 | } | |
87 | if (ACPI_FAILURE(status)) { | |
88 | return (status); | |
89 | } | |
90 | ||
91 | /* Allocate a buffer for the converted resource */ | |
92 | ||
93 | resource = ACPI_ALLOCATE_ZEROED(list_size_needed); | |
94 | current_resource_ptr = resource; | |
95 | if (!resource) { | |
96 | return (AE_NO_MEMORY); | |
97 | } | |
98 | ||
99 | /* Perform the AML-to-Resource conversion */ | |
100 | ||
886308ec | 101 | status = acpi_ut_walk_aml_resources(NULL, aml_buffer, aml_buffer_length, |
0e243178 BM |
102 | acpi_rs_convert_aml_to_resources, |
103 | ¤t_resource_ptr); | |
104 | if (status == AE_AML_NO_RESOURCE_END_TAG) { | |
105 | status = AE_OK; | |
106 | } | |
107 | if (ACPI_FAILURE(status)) { | |
108 | ACPI_FREE(resource); | |
109 | } else { | |
110 | *resource_ptr = resource; | |
111 | } | |
112 | ||
113 | return (status); | |
114 | } | |
115 | ||
1da177e4 LT |
116 | /******************************************************************************* |
117 | * | |
118 | * FUNCTION: acpi_rs_create_resource_list | |
119 | * | |
50eca3eb BM |
120 | * PARAMETERS: aml_buffer - Pointer to the resource byte stream |
121 | * output_buffer - Pointer to the user's buffer | |
1da177e4 | 122 | * |
50eca3eb | 123 | * RETURN: Status: AE_OK if okay, else a valid acpi_status code |
1da177e4 LT |
124 | * If output_buffer is not large enough, output_buffer_length |
125 | * indicates how large output_buffer should be, else it | |
126 | * indicates how may u8 elements of output_buffer are valid. | |
127 | * | |
128 | * DESCRIPTION: Takes the byte stream returned from a _CRS, _PRS control method | |
129 | * execution and parses the stream to create a linked list | |
130 | * of device resources. | |
131 | * | |
132 | ******************************************************************************/ | |
e0fe0a8d | 133 | |
1da177e4 | 134 | acpi_status |
50eca3eb | 135 | acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer, |
e0fe0a8d | 136 | struct acpi_buffer * output_buffer) |
1da177e4 LT |
137 | { |
138 | ||
4be44fcd | 139 | acpi_status status; |
50eca3eb | 140 | u8 *aml_start; |
4be44fcd | 141 | acpi_size list_size_needed = 0; |
50eca3eb | 142 | u32 aml_buffer_length; |
61686124 | 143 | void *resource; |
1da177e4 | 144 | |
b229cf92 | 145 | ACPI_FUNCTION_TRACE(rs_create_resource_list); |
1da177e4 | 146 | |
b229cf92 | 147 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "AmlBuffer = %p\n", aml_buffer)); |
1da177e4 | 148 | |
44f6c012 RM |
149 | /* Params already validated, so we don't re-validate here */ |
150 | ||
50eca3eb BM |
151 | aml_buffer_length = aml_buffer->buffer.length; |
152 | aml_start = aml_buffer->buffer.pointer; | |
1da177e4 LT |
153 | |
154 | /* | |
50eca3eb | 155 | * Pass the aml_buffer into a module that can calculate |
1da177e4 LT |
156 | * the buffer size needed for the linked list |
157 | */ | |
50eca3eb BM |
158 | status = acpi_rs_get_list_length(aml_start, aml_buffer_length, |
159 | &list_size_needed); | |
4be44fcd | 160 | |
b229cf92 | 161 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Status=%X ListSizeNeeded=%X\n", |
4be44fcd LB |
162 | status, (u32) list_size_needed)); |
163 | if (ACPI_FAILURE(status)) { | |
164 | return_ACPI_STATUS(status); | |
1da177e4 LT |
165 | } |
166 | ||
167 | /* Validate/Allocate/Clear caller buffer */ | |
168 | ||
4be44fcd LB |
169 | status = acpi_ut_initialize_buffer(output_buffer, list_size_needed); |
170 | if (ACPI_FAILURE(status)) { | |
171 | return_ACPI_STATUS(status); | |
1da177e4 LT |
172 | } |
173 | ||
174 | /* Do the conversion */ | |
175 | ||
61686124 | 176 | resource = output_buffer->pointer; |
886308ec | 177 | status = acpi_ut_walk_aml_resources(NULL, aml_start, aml_buffer_length, |
61686124 BM |
178 | acpi_rs_convert_aml_to_resources, |
179 | &resource); | |
4be44fcd LB |
180 | if (ACPI_FAILURE(status)) { |
181 | return_ACPI_STATUS(status); | |
1da177e4 LT |
182 | } |
183 | ||
b229cf92 | 184 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "OutputBuffer %p Length %X\n", |
4be44fcd LB |
185 | output_buffer->pointer, (u32) output_buffer->length)); |
186 | return_ACPI_STATUS(AE_OK); | |
1da177e4 LT |
187 | } |
188 | ||
1da177e4 LT |
189 | /******************************************************************************* |
190 | * | |
191 | * FUNCTION: acpi_rs_create_pci_routing_table | |
192 | * | |
cf48958e BM |
193 | * PARAMETERS: package_object - Pointer to a package containing one |
194 | * of more ACPI_OPERAND_OBJECTs | |
1da177e4 LT |
195 | * output_buffer - Pointer to the user's buffer |
196 | * | |
197 | * RETURN: Status AE_OK if okay, else a valid acpi_status code. | |
198 | * If the output_buffer is too small, the error will be | |
199 | * AE_BUFFER_OVERFLOW and output_buffer->Length will point | |
200 | * to the size buffer needed. | |
201 | * | |
cf48958e | 202 | * DESCRIPTION: Takes the union acpi_operand_object package and creates a |
1da177e4 LT |
203 | * linked list of PCI interrupt descriptions |
204 | * | |
205 | * NOTE: It is the caller's responsibility to ensure that the start of the | |
206 | * output buffer is aligned properly (if necessary). | |
207 | * | |
208 | ******************************************************************************/ | |
209 | ||
210 | acpi_status | |
4be44fcd LB |
211 | acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object, |
212 | struct acpi_buffer *output_buffer) | |
1da177e4 | 213 | { |
4be44fcd LB |
214 | u8 *buffer; |
215 | union acpi_operand_object **top_object_list; | |
216 | union acpi_operand_object **sub_object_list; | |
217 | union acpi_operand_object *obj_desc; | |
218 | acpi_size buffer_size_needed = 0; | |
219 | u32 number_of_elements; | |
220 | u32 index; | |
221 | struct acpi_pci_routing_table *user_prt; | |
222 | struct acpi_namespace_node *node; | |
223 | acpi_status status; | |
224 | struct acpi_buffer path_buffer; | |
225 | ||
b229cf92 | 226 | ACPI_FUNCTION_TRACE(rs_create_pci_routing_table); |
1da177e4 LT |
227 | |
228 | /* Params already validated, so we don't re-validate here */ | |
229 | ||
44f6c012 RM |
230 | /* Get the required buffer length */ |
231 | ||
4be44fcd LB |
232 | status = acpi_rs_get_pci_routing_table_length(package_object, |
233 | &buffer_size_needed); | |
234 | if (ACPI_FAILURE(status)) { | |
235 | return_ACPI_STATUS(status); | |
1da177e4 LT |
236 | } |
237 | ||
b229cf92 | 238 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "BufferSizeNeeded = %X\n", |
4be44fcd | 239 | (u32) buffer_size_needed)); |
1da177e4 LT |
240 | |
241 | /* Validate/Allocate/Clear caller buffer */ | |
242 | ||
4be44fcd LB |
243 | status = acpi_ut_initialize_buffer(output_buffer, buffer_size_needed); |
244 | if (ACPI_FAILURE(status)) { | |
245 | return_ACPI_STATUS(status); | |
1da177e4 LT |
246 | } |
247 | ||
248 | /* | |
fd0a4327 | 249 | * Loop through the ACPI_INTERNAL_OBJECTS - Each object should be a |
5df7e6cb | 250 | * package that in turn contains an u64 Address, a u8 Pin, |
fd0a4327 | 251 | * a Name, and a u8 source_index. |
1da177e4 | 252 | */ |
4be44fcd | 253 | top_object_list = package_object->package.elements; |
1da177e4 | 254 | number_of_elements = package_object->package.count; |
4be44fcd LB |
255 | buffer = output_buffer->pointer; |
256 | user_prt = ACPI_CAST_PTR(struct acpi_pci_routing_table, buffer); | |
1da177e4 LT |
257 | |
258 | for (index = 0; index < number_of_elements; index++) { | |
2f894ef9 | 259 | |
1da177e4 LT |
260 | /* |
261 | * Point user_prt past this current structure | |
262 | * | |
263 | * NOTE: On the first iteration, user_prt->Length will | |
264 | * be zero because we cleared the return buffer earlier | |
265 | */ | |
266 | buffer += user_prt->length; | |
4be44fcd | 267 | user_prt = ACPI_CAST_PTR(struct acpi_pci_routing_table, buffer); |
1da177e4 LT |
268 | |
269 | /* | |
270 | * Fill in the Length field with the information we have at this point. | |
271 | * The minus four is to subtract the size of the u8 Source[4] member | |
272 | * because it is added below. | |
273 | */ | |
4be44fcd | 274 | user_prt->length = (sizeof(struct acpi_pci_routing_table) - 4); |
1da177e4 | 275 | |
0a16d12a | 276 | /* Each subpackage must be of length 4 */ |
1da177e4 LT |
277 | |
278 | if ((*top_object_list)->package.count != 4) { | |
b8e4d893 | 279 | ACPI_ERROR((AE_INFO, |
f6a22b0b | 280 | "(PRT[%u]) Need package of length 4, found length %u", |
b8e4d893 | 281 | index, (*top_object_list)->package.count)); |
4be44fcd | 282 | return_ACPI_STATUS(AE_AML_PACKAGE_LIMIT); |
1da177e4 LT |
283 | } |
284 | ||
285 | /* | |
0a16d12a | 286 | * Dereference the subpackage. |
1da177e4 LT |
287 | * The sub_object_list will now point to an array of the four IRQ |
288 | * elements: [Address, Pin, Source, source_index] | |
289 | */ | |
290 | sub_object_list = (*top_object_list)->package.elements; | |
291 | ||
44f6c012 RM |
292 | /* 1) First subobject: Dereference the PRT.Address */ |
293 | ||
1da177e4 | 294 | obj_desc = sub_object_list[0]; |
83130649 | 295 | if (!obj_desc || obj_desc->common.type != ACPI_TYPE_INTEGER) { |
b8e4d893 | 296 | ACPI_ERROR((AE_INFO, |
f6a22b0b | 297 | "(PRT[%u].Address) Need Integer, found %s", |
b8e4d893 BM |
298 | index, |
299 | acpi_ut_get_object_type_name(obj_desc))); | |
4be44fcd | 300 | return_ACPI_STATUS(AE_BAD_DATA); |
1da177e4 LT |
301 | } |
302 | ||
fd0a4327 BM |
303 | user_prt->address = obj_desc->integer.value; |
304 | ||
44f6c012 RM |
305 | /* 2) Second subobject: Dereference the PRT.Pin */ |
306 | ||
1da177e4 | 307 | obj_desc = sub_object_list[1]; |
83130649 | 308 | if (!obj_desc || obj_desc->common.type != ACPI_TYPE_INTEGER) { |
b8e4d893 | 309 | ACPI_ERROR((AE_INFO, |
f6a22b0b | 310 | "(PRT[%u].Pin) Need Integer, found %s", |
b8e4d893 BM |
311 | index, |
312 | acpi_ut_get_object_type_name(obj_desc))); | |
4be44fcd | 313 | return_ACPI_STATUS(AE_BAD_DATA); |
1da177e4 LT |
314 | } |
315 | ||
fd0a4327 BM |
316 | user_prt->pin = (u32) obj_desc->integer.value; |
317 | ||
b8e4d893 BM |
318 | /* |
319 | * 3) Third subobject: Dereference the PRT.source_name | |
320 | * The name may be unresolved (slack mode), so allow a null object | |
321 | */ | |
82babbb3 | 322 | obj_desc = sub_object_list[2]; |
b8e4d893 | 323 | if (obj_desc) { |
3371c19c | 324 | switch (obj_desc->common.type) { |
b8e4d893 BM |
325 | case ACPI_TYPE_LOCAL_REFERENCE: |
326 | ||
1044f1f6 BM |
327 | if (obj_desc->reference.class != |
328 | ACPI_REFCLASS_NAME) { | |
b8e4d893 | 329 | ACPI_ERROR((AE_INFO, |
f6a22b0b | 330 | "(PRT[%u].Source) Need name, found Reference Class 0x%X", |
b8e4d893 | 331 | index, |
1044f1f6 | 332 | obj_desc->reference.class)); |
b8e4d893 BM |
333 | return_ACPI_STATUS(AE_BAD_DATA); |
334 | } | |
335 | ||
336 | node = obj_desc->reference.node; | |
337 | ||
338 | /* Use *remaining* length of the buffer as max for pathname */ | |
339 | ||
340 | path_buffer.length = output_buffer->length - | |
341 | (u32) ((u8 *) user_prt->source - | |
342 | (u8 *) output_buffer->pointer); | |
343 | path_buffer.pointer = user_prt->source; | |
344 | ||
345 | status = | |
346 | acpi_ns_handle_to_pathname((acpi_handle) | |
347 | node, | |
348 | &path_buffer); | |
349 | ||
350 | /* +1 to include null terminator */ | |
351 | ||
352 | user_prt->length += | |
353 | (u32) ACPI_STRLEN(user_prt->source) + 1; | |
354 | break; | |
355 | ||
356 | case ACPI_TYPE_STRING: | |
357 | ||
358 | ACPI_STRCPY(user_prt->source, | |
359 | obj_desc->string.pointer); | |
360 | ||
361 | /* | |
362 | * Add to the Length field the length of the string | |
363 | * (add 1 for terminator) | |
364 | */ | |
365 | user_prt->length += obj_desc->string.length + 1; | |
366 | break; | |
367 | ||
368 | case ACPI_TYPE_INTEGER: | |
369 | /* | |
370 | * If this is a number, then the Source Name is NULL, since the | |
371 | * entire buffer was zeroed out, we can leave this alone. | |
372 | * | |
373 | * Add to the Length field the length of the u32 NULL | |
374 | */ | |
375 | user_prt->length += sizeof(u32); | |
376 | break; | |
377 | ||
378 | default: | |
379 | ||
380 | ACPI_ERROR((AE_INFO, | |
f6a22b0b | 381 | "(PRT[%u].Source) Need Ref/String/Integer, found %s", |
b8e4d893 BM |
382 | index, |
383 | acpi_ut_get_object_type_name | |
384 | (obj_desc))); | |
4be44fcd | 385 | return_ACPI_STATUS(AE_BAD_DATA); |
1da177e4 | 386 | } |
1da177e4 LT |
387 | } |
388 | ||
389 | /* Now align the current length */ | |
390 | ||
4be44fcd | 391 | user_prt->length = |
958dd242 | 392 | (u32) ACPI_ROUND_UP_TO_64BIT(user_prt->length); |
1da177e4 | 393 | |
44f6c012 RM |
394 | /* 4) Fourth subobject: Dereference the PRT.source_index */ |
395 | ||
82babbb3 | 396 | obj_desc = sub_object_list[3]; |
83130649 | 397 | if (!obj_desc || obj_desc->common.type != ACPI_TYPE_INTEGER) { |
b8e4d893 | 398 | ACPI_ERROR((AE_INFO, |
f6a22b0b | 399 | "(PRT[%u].SourceIndex) Need Integer, found %s", |
b8e4d893 BM |
400 | index, |
401 | acpi_ut_get_object_type_name(obj_desc))); | |
4be44fcd | 402 | return_ACPI_STATUS(AE_BAD_DATA); |
1da177e4 LT |
403 | } |
404 | ||
fd0a4327 BM |
405 | user_prt->source_index = (u32) obj_desc->integer.value; |
406 | ||
1da177e4 LT |
407 | /* Point to the next union acpi_operand_object in the top level package */ |
408 | ||
409 | top_object_list++; | |
410 | } | |
411 | ||
b229cf92 | 412 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "OutputBuffer %p Length %X\n", |
4be44fcd LB |
413 | output_buffer->pointer, (u32) output_buffer->length)); |
414 | return_ACPI_STATUS(AE_OK); | |
1da177e4 LT |
415 | } |
416 | ||
1da177e4 LT |
417 | /******************************************************************************* |
418 | * | |
50eca3eb | 419 | * FUNCTION: acpi_rs_create_aml_resources |
1da177e4 | 420 | * |
9a0a3597 LZ |
421 | * PARAMETERS: resource_list - Pointer to the resource list buffer |
422 | * output_buffer - Where the AML buffer is returned | |
1da177e4 LT |
423 | * |
424 | * RETURN: Status AE_OK if okay, else a valid acpi_status code. | |
425 | * If the output_buffer is too small, the error will be | |
426 | * AE_BUFFER_OVERFLOW and output_buffer->Length will point | |
427 | * to the size buffer needed. | |
428 | * | |
9a0a3597 LZ |
429 | * DESCRIPTION: Converts a list of device resources to an AML bytestream |
430 | * to be used as input for the _SRS control method. | |
1da177e4 LT |
431 | * |
432 | ******************************************************************************/ | |
433 | ||
434 | acpi_status | |
9a0a3597 | 435 | acpi_rs_create_aml_resources(struct acpi_buffer *resource_list, |
50eca3eb | 436 | struct acpi_buffer *output_buffer) |
1da177e4 | 437 | { |
4be44fcd | 438 | acpi_status status; |
50eca3eb | 439 | acpi_size aml_size_needed = 0; |
1da177e4 | 440 | |
b229cf92 | 441 | ACPI_FUNCTION_TRACE(rs_create_aml_resources); |
1da177e4 | 442 | |
9a0a3597 | 443 | /* Params already validated, no need to re-validate here */ |
1da177e4 | 444 | |
9a0a3597 LZ |
445 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "ResourceList Buffer = %p\n", |
446 | resource_list->pointer)); | |
447 | ||
448 | /* Get the buffer size needed for the AML byte stream */ | |
449 | ||
450 | status = acpi_rs_get_aml_length(resource_list->pointer, | |
451 | resource_list->length, | |
452 | &aml_size_needed); | |
4be44fcd | 453 | |
b229cf92 | 454 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "AmlSizeNeeded=%X, %s\n", |
3e8214e5 | 455 | (u32)aml_size_needed, acpi_format_exception(status))); |
4be44fcd LB |
456 | if (ACPI_FAILURE(status)) { |
457 | return_ACPI_STATUS(status); | |
1da177e4 LT |
458 | } |
459 | ||
460 | /* Validate/Allocate/Clear caller buffer */ | |
461 | ||
50eca3eb | 462 | status = acpi_ut_initialize_buffer(output_buffer, aml_size_needed); |
4be44fcd LB |
463 | if (ACPI_FAILURE(status)) { |
464 | return_ACPI_STATUS(status); | |
1da177e4 LT |
465 | } |
466 | ||
467 | /* Do the conversion */ | |
468 | ||
9a0a3597 LZ |
469 | status = acpi_rs_convert_resources_to_aml(resource_list->pointer, |
470 | aml_size_needed, | |
471 | output_buffer->pointer); | |
4be44fcd LB |
472 | if (ACPI_FAILURE(status)) { |
473 | return_ACPI_STATUS(status); | |
1da177e4 LT |
474 | } |
475 | ||
b229cf92 | 476 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "OutputBuffer %p Length %X\n", |
4be44fcd LB |
477 | output_buffer->pointer, (u32) output_buffer->length)); |
478 | return_ACPI_STATUS(AE_OK); | |
1da177e4 | 479 | } |