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95857638 | 1 | // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 |
1da177e4 LT |
2 | /****************************************************************************** |
3 | * | |
4 | * Module Name: evgpeblk - GPE block creation and initialization. | |
5 | * | |
da6f8320 | 6 | * Copyright (C) 2000 - 2018, Intel Corp. |
1da177e4 | 7 | * |
95857638 | 8 | *****************************************************************************/ |
1da177e4 LT |
9 | |
10 | #include <acpi/acpi.h> | |
e2f7a777 LB |
11 | #include "accommon.h" |
12 | #include "acevents.h" | |
13 | #include "acnamesp.h" | |
1da177e4 LT |
14 | |
15 | #define _COMPONENT ACPI_EVENTS | |
4be44fcd | 16 | ACPI_MODULE_NAME("evgpeblk") |
33620c54 | 17 | #if (!ACPI_REDUCED_HARDWARE) /* Entire module */ |
44f6c012 | 18 | /* Local prototypes */ |
44f6c012 | 19 | static acpi_status |
4be44fcd LB |
20 | acpi_ev_install_gpe_block(struct acpi_gpe_block_info *gpe_block, |
21 | u32 interrupt_number); | |
44f6c012 RM |
22 | |
23 | static acpi_status | |
4be44fcd | 24 | acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block); |
1da177e4 | 25 | |
1da177e4 LT |
26 | /******************************************************************************* |
27 | * | |
28 | * FUNCTION: acpi_ev_install_gpe_block | |
29 | * | |
9f15fc66 BM |
30 | * PARAMETERS: gpe_block - New GPE block |
31 | * interrupt_number - Xrupt to be associated with this | |
32 | * GPE block | |
1da177e4 LT |
33 | * |
34 | * RETURN: Status | |
35 | * | |
36 | * DESCRIPTION: Install new GPE block with mutex support | |
37 | * | |
38 | ******************************************************************************/ | |
39 | ||
40 | static acpi_status | |
4be44fcd LB |
41 | acpi_ev_install_gpe_block(struct acpi_gpe_block_info *gpe_block, |
42 | u32 interrupt_number) | |
1da177e4 | 43 | { |
4be44fcd LB |
44 | struct acpi_gpe_block_info *next_gpe_block; |
45 | struct acpi_gpe_xrupt_info *gpe_xrupt_block; | |
46 | acpi_status status; | |
b8e4d893 | 47 | acpi_cpu_flags flags; |
1da177e4 | 48 | |
b229cf92 | 49 | ACPI_FUNCTION_TRACE(ev_install_gpe_block); |
1da177e4 | 50 | |
4be44fcd LB |
51 | status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); |
52 | if (ACPI_FAILURE(status)) { | |
53 | return_ACPI_STATUS(status); | |
1da177e4 LT |
54 | } |
55 | ||
4bec3d80 BM |
56 | status = |
57 | acpi_ev_get_gpe_xrupt_block(interrupt_number, &gpe_xrupt_block); | |
58 | if (ACPI_FAILURE(status)) { | |
1da177e4 LT |
59 | goto unlock_and_exit; |
60 | } | |
61 | ||
44f6c012 | 62 | /* Install the new block at the end of the list with lock */ |
1da177e4 | 63 | |
4be44fcd | 64 | flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock); |
1da177e4 LT |
65 | if (gpe_xrupt_block->gpe_block_list_head) { |
66 | next_gpe_block = gpe_xrupt_block->gpe_block_list_head; | |
67 | while (next_gpe_block->next) { | |
68 | next_gpe_block = next_gpe_block->next; | |
69 | } | |
70 | ||
71 | next_gpe_block->next = gpe_block; | |
72 | gpe_block->previous = next_gpe_block; | |
4be44fcd | 73 | } else { |
1da177e4 LT |
74 | gpe_xrupt_block->gpe_block_list_head = gpe_block; |
75 | } | |
76 | ||
77 | gpe_block->xrupt_block = gpe_xrupt_block; | |
4be44fcd | 78 | acpi_os_release_lock(acpi_gbl_gpe_lock, flags); |
1da177e4 | 79 | |
10622bf8 | 80 | unlock_and_exit: |
4bec3d80 | 81 | (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); |
4be44fcd | 82 | return_ACPI_STATUS(status); |
1da177e4 LT |
83 | } |
84 | ||
1da177e4 LT |
85 | /******************************************************************************* |
86 | * | |
87 | * FUNCTION: acpi_ev_delete_gpe_block | |
88 | * | |
9f15fc66 | 89 | * PARAMETERS: gpe_block - Existing GPE block |
1da177e4 LT |
90 | * |
91 | * RETURN: Status | |
92 | * | |
93 | * DESCRIPTION: Remove a GPE block | |
94 | * | |
95 | ******************************************************************************/ | |
96 | ||
4be44fcd | 97 | acpi_status acpi_ev_delete_gpe_block(struct acpi_gpe_block_info *gpe_block) |
1da177e4 | 98 | { |
4be44fcd | 99 | acpi_status status; |
b8e4d893 | 100 | acpi_cpu_flags flags; |
1da177e4 | 101 | |
b229cf92 | 102 | ACPI_FUNCTION_TRACE(ev_install_gpe_block); |
1da177e4 | 103 | |
4be44fcd LB |
104 | status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); |
105 | if (ACPI_FAILURE(status)) { | |
106 | return_ACPI_STATUS(status); | |
1da177e4 LT |
107 | } |
108 | ||
109 | /* Disable all GPEs in this block */ | |
110 | ||
e97d6bf1 BM |
111 | status = |
112 | acpi_hw_disable_gpe_block(gpe_block->xrupt_block, gpe_block, NULL); | |
1da177e4 LT |
113 | |
114 | if (!gpe_block->previous && !gpe_block->next) { | |
52fc0b02 | 115 | |
1da177e4 LT |
116 | /* This is the last gpe_block on this interrupt */ |
117 | ||
4be44fcd LB |
118 | status = acpi_ev_delete_gpe_xrupt(gpe_block->xrupt_block); |
119 | if (ACPI_FAILURE(status)) { | |
1da177e4 LT |
120 | goto unlock_and_exit; |
121 | } | |
4be44fcd | 122 | } else { |
1da177e4 LT |
123 | /* Remove the block on this interrupt with lock */ |
124 | ||
4be44fcd | 125 | flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock); |
1da177e4 LT |
126 | if (gpe_block->previous) { |
127 | gpe_block->previous->next = gpe_block->next; | |
4be44fcd LB |
128 | } else { |
129 | gpe_block->xrupt_block->gpe_block_list_head = | |
130 | gpe_block->next; | |
1da177e4 LT |
131 | } |
132 | ||
133 | if (gpe_block->next) { | |
134 | gpe_block->next->previous = gpe_block->previous; | |
135 | } | |
1fad8738 | 136 | |
4be44fcd | 137 | acpi_os_release_lock(acpi_gbl_gpe_lock, flags); |
1da177e4 LT |
138 | } |
139 | ||
0f849d2c | 140 | acpi_current_gpe_count -= gpe_block->gpe_count; |
e97d6bf1 | 141 | |
1da177e4 LT |
142 | /* Free the gpe_block */ |
143 | ||
8313524a BM |
144 | ACPI_FREE(gpe_block->register_info); |
145 | ACPI_FREE(gpe_block->event_info); | |
146 | ACPI_FREE(gpe_block); | |
1da177e4 | 147 | |
10622bf8 | 148 | unlock_and_exit: |
4be44fcd LB |
149 | status = acpi_ut_release_mutex(ACPI_MTX_EVENTS); |
150 | return_ACPI_STATUS(status); | |
1da177e4 LT |
151 | } |
152 | ||
1da177e4 LT |
153 | /******************************************************************************* |
154 | * | |
155 | * FUNCTION: acpi_ev_create_gpe_info_blocks | |
156 | * | |
157 | * PARAMETERS: gpe_block - New GPE block | |
158 | * | |
159 | * RETURN: Status | |
160 | * | |
161 | * DESCRIPTION: Create the register_info and event_info blocks for this GPE block | |
162 | * | |
163 | ******************************************************************************/ | |
164 | ||
165 | static acpi_status | |
4be44fcd | 166 | acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block) |
1da177e4 | 167 | { |
4be44fcd LB |
168 | struct acpi_gpe_register_info *gpe_register_info = NULL; |
169 | struct acpi_gpe_event_info *gpe_event_info = NULL; | |
170 | struct acpi_gpe_event_info *this_event; | |
171 | struct acpi_gpe_register_info *this_register; | |
67a119f9 BM |
172 | u32 i; |
173 | u32 j; | |
4be44fcd | 174 | acpi_status status; |
1da177e4 | 175 | |
b229cf92 | 176 | ACPI_FUNCTION_TRACE(ev_create_gpe_info_blocks); |
1da177e4 LT |
177 | |
178 | /* Allocate the GPE register information block */ | |
179 | ||
f5c1e1c5 | 180 | gpe_register_info = ACPI_ALLOCATE_ZEROED((acpi_size)gpe_block-> |
8313524a BM |
181 | register_count * |
182 | sizeof(struct | |
183 | acpi_gpe_register_info)); | |
1da177e4 | 184 | if (!gpe_register_info) { |
b8e4d893 | 185 | ACPI_ERROR((AE_INFO, |
b229cf92 | 186 | "Could not allocate the GpeRegisterInfo table")); |
4be44fcd | 187 | return_ACPI_STATUS(AE_NO_MEMORY); |
1da177e4 LT |
188 | } |
189 | ||
190 | /* | |
191 | * Allocate the GPE event_info block. There are eight distinct GPEs | |
96db255c | 192 | * per register. Initialization to zeros is sufficient. |
1da177e4 | 193 | */ |
f5c1e1c5 | 194 | gpe_event_info = ACPI_ALLOCATE_ZEROED((acpi_size)gpe_block->gpe_count * |
8313524a BM |
195 | sizeof(struct |
196 | acpi_gpe_event_info)); | |
1da177e4 | 197 | if (!gpe_event_info) { |
b8e4d893 | 198 | ACPI_ERROR((AE_INFO, |
b229cf92 | 199 | "Could not allocate the GpeEventInfo table")); |
1da177e4 LT |
200 | status = AE_NO_MEMORY; |
201 | goto error_exit; | |
202 | } | |
203 | ||
204 | /* Save the new Info arrays in the GPE block */ | |
205 | ||
206 | gpe_block->register_info = gpe_register_info; | |
4be44fcd | 207 | gpe_block->event_info = gpe_event_info; |
1da177e4 LT |
208 | |
209 | /* | |
96db255c | 210 | * Initialize the GPE Register and Event structures. A goal of these |
9f15fc66 BM |
211 | * tables is to hide the fact that there are two separate GPE register |
212 | * sets in a given GPE hardware block, the status registers occupy the | |
213 | * first half, and the enable registers occupy the second half. | |
1da177e4 LT |
214 | */ |
215 | this_register = gpe_register_info; | |
4be44fcd | 216 | this_event = gpe_event_info; |
1da177e4 LT |
217 | |
218 | for (i = 0; i < gpe_block->register_count; i++) { | |
52fc0b02 | 219 | |
1da177e4 LT |
220 | /* Init the register_info for this GPE register (8 GPEs) */ |
221 | ||
7505da4c BM |
222 | this_register->base_gpe_number = (u16) |
223 | (gpe_block->block_base_number + | |
224 | (i * ACPI_GPE_REGISTER_WIDTH)); | |
4be44fcd | 225 | |
7505da4c | 226 | this_register->status_address.address = gpe_block->address + i; |
4be44fcd | 227 | |
59fa8505 | 228 | this_register->enable_address.address = |
7505da4c | 229 | gpe_block->address + i + gpe_block->register_count; |
4be44fcd | 230 | |
7505da4c BM |
231 | this_register->status_address.space_id = gpe_block->space_id; |
232 | this_register->enable_address.space_id = gpe_block->space_id; | |
f3d2e786 | 233 | this_register->status_address.bit_width = |
4be44fcd | 234 | ACPI_GPE_REGISTER_WIDTH; |
f3d2e786 | 235 | this_register->enable_address.bit_width = |
4be44fcd | 236 | ACPI_GPE_REGISTER_WIDTH; |
ecfbbc7b BM |
237 | this_register->status_address.bit_offset = 0; |
238 | this_register->enable_address.bit_offset = 0; | |
1da177e4 LT |
239 | |
240 | /* Init the event_info for each GPE within this register */ | |
241 | ||
242 | for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) { | |
69874165 AS |
243 | this_event->gpe_number = |
244 | (u8) (this_register->base_gpe_number + j); | |
1da177e4 LT |
245 | this_event->register_info = this_register; |
246 | this_event++; | |
247 | } | |
248 | ||
96db255c BM |
249 | /* Disable all GPEs within this register */ |
250 | ||
c6b5774c | 251 | status = acpi_hw_write(0x00, &this_register->enable_address); |
4be44fcd | 252 | if (ACPI_FAILURE(status)) { |
1da177e4 LT |
253 | goto error_exit; |
254 | } | |
255 | ||
96db255c BM |
256 | /* Clear any pending GPE events within this register */ |
257 | ||
c6b5774c | 258 | status = acpi_hw_write(0xFF, &this_register->status_address); |
4be44fcd | 259 | if (ACPI_FAILURE(status)) { |
1da177e4 LT |
260 | goto error_exit; |
261 | } | |
262 | ||
263 | this_register++; | |
264 | } | |
265 | ||
4be44fcd | 266 | return_ACPI_STATUS(AE_OK); |
1da177e4 | 267 | |
10622bf8 | 268 | error_exit: |
1da177e4 | 269 | if (gpe_register_info) { |
8313524a | 270 | ACPI_FREE(gpe_register_info); |
1da177e4 LT |
271 | } |
272 | if (gpe_event_info) { | |
8313524a | 273 | ACPI_FREE(gpe_event_info); |
1da177e4 LT |
274 | } |
275 | ||
4be44fcd | 276 | return_ACPI_STATUS(status); |
1da177e4 LT |
277 | } |
278 | ||
1da177e4 LT |
279 | /******************************************************************************* |
280 | * | |
281 | * FUNCTION: acpi_ev_create_gpe_block | |
282 | * | |
283 | * PARAMETERS: gpe_device - Handle to the parent GPE block | |
ba494bee | 284 | * gpe_block_address - Address and space_ID |
1da177e4 LT |
285 | * register_count - Number of GPE register pairs in the block |
286 | * gpe_block_base_number - Starting GPE number for the block | |
6f42ccf2 | 287 | * interrupt_number - H/W interrupt for the block |
1da177e4 LT |
288 | * return_gpe_block - Where the new block descriptor is returned |
289 | * | |
290 | * RETURN: Status | |
291 | * | |
96db255c BM |
292 | * DESCRIPTION: Create and Install a block of GPE registers. All GPEs within |
293 | * the block are disabled at exit. | |
294 | * Note: Assumes namespace is locked. | |
1da177e4 LT |
295 | * |
296 | ******************************************************************************/ | |
297 | ||
298 | acpi_status | |
4be44fcd | 299 | acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device, |
7505da4c BM |
300 | u64 address, |
301 | u8 space_id, | |
4be44fcd | 302 | u32 register_count, |
7505da4c | 303 | u16 gpe_block_base_number, |
4be44fcd LB |
304 | u32 interrupt_number, |
305 | struct acpi_gpe_block_info **return_gpe_block) | |
1da177e4 | 306 | { |
4be44fcd | 307 | acpi_status status; |
96db255c | 308 | struct acpi_gpe_block_info *gpe_block; |
186c307f | 309 | struct acpi_gpe_walk_info walk_info; |
1da177e4 | 310 | |
b229cf92 | 311 | ACPI_FUNCTION_TRACE(ev_create_gpe_block); |
1da177e4 LT |
312 | |
313 | if (!register_count) { | |
4be44fcd | 314 | return_ACPI_STATUS(AE_OK); |
1da177e4 LT |
315 | } |
316 | ||
317 | /* Allocate a new GPE block */ | |
318 | ||
8313524a | 319 | gpe_block = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_gpe_block_info)); |
1da177e4 | 320 | if (!gpe_block) { |
4be44fcd | 321 | return_ACPI_STATUS(AE_NO_MEMORY); |
1da177e4 LT |
322 | } |
323 | ||
324 | /* Initialize the new GPE block */ | |
325 | ||
7505da4c BM |
326 | gpe_block->address = address; |
327 | gpe_block->space_id = space_id; | |
96db255c | 328 | gpe_block->node = gpe_device; |
0f849d2c | 329 | gpe_block->gpe_count = (u16)(register_count * ACPI_GPE_REGISTER_WIDTH); |
da503373 | 330 | gpe_block->initialized = FALSE; |
1da177e4 LT |
331 | gpe_block->register_count = register_count; |
332 | gpe_block->block_base_number = gpe_block_base_number; | |
1da177e4 | 333 | |
96db255c BM |
334 | /* |
335 | * Create the register_info and event_info sub-structures | |
336 | * Note: disables and clears all GPEs in the block | |
337 | */ | |
4be44fcd LB |
338 | status = acpi_ev_create_gpe_info_blocks(gpe_block); |
339 | if (ACPI_FAILURE(status)) { | |
8313524a | 340 | ACPI_FREE(gpe_block); |
4be44fcd | 341 | return_ACPI_STATUS(status); |
1da177e4 LT |
342 | } |
343 | ||
96db255c | 344 | /* Install the new block in the global lists */ |
1da177e4 | 345 | |
4be44fcd LB |
346 | status = acpi_ev_install_gpe_block(gpe_block, interrupt_number); |
347 | if (ACPI_FAILURE(status)) { | |
b739f106 TN |
348 | ACPI_FREE(gpe_block->register_info); |
349 | ACPI_FREE(gpe_block->event_info); | |
8313524a | 350 | ACPI_FREE(gpe_block); |
4be44fcd | 351 | return_ACPI_STATUS(status); |
1da177e4 LT |
352 | } |
353 | ||
3a37898d | 354 | acpi_gbl_all_gpes_initialized = FALSE; |
a2100801 | 355 | |
186c307f BM |
356 | /* Find all GPE methods (_Lxx or_Exx) for this block */ |
357 | ||
358 | walk_info.gpe_block = gpe_block; | |
359 | walk_info.gpe_device = gpe_device; | |
186c307f | 360 | walk_info.execute_by_owner_id = FALSE; |
1da177e4 | 361 | |
4be44fcd LB |
362 | status = acpi_ns_walk_namespace(ACPI_TYPE_METHOD, gpe_device, |
363 | ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK, | |
0f849d2c | 364 | acpi_ev_match_gpe_method, NULL, |
186c307f | 365 | &walk_info, NULL); |
1da177e4 | 366 | |
96db255c BM |
367 | /* Return the new block */ |
368 | ||
369 | if (return_gpe_block) { | |
370 | (*return_gpe_block) = gpe_block; | |
371 | } | |
372 | ||
3e5621a7 | 373 | ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, |
7505da4c | 374 | " Initialized GPE %02X to %02X [%4.4s] %u regs on interrupt 0x%X%s\n", |
3e5621a7 BM |
375 | (u32)gpe_block->block_base_number, |
376 | (u32)(gpe_block->block_base_number + | |
377 | (gpe_block->gpe_count - 1)), | |
378 | gpe_device->name.ascii, gpe_block->register_count, | |
7505da4c BM |
379 | interrupt_number, |
380 | interrupt_number == | |
381 | acpi_gbl_FADT.sci_interrupt ? " (SCI)" : "")); | |
96db255c | 382 | |
e97d6bf1 BM |
383 | /* Update global count of currently available GPEs */ |
384 | ||
0f849d2c | 385 | acpi_current_gpe_count += gpe_block->gpe_count; |
96db255c BM |
386 | return_ACPI_STATUS(AE_OK); |
387 | } | |
388 | ||
389 | /******************************************************************************* | |
390 | * | |
391 | * FUNCTION: acpi_ev_initialize_gpe_block | |
392 | * | |
da503373 | 393 | * PARAMETERS: acpi_gpe_callback |
96db255c BM |
394 | * |
395 | * RETURN: Status | |
396 | * | |
da503373 LM |
397 | * DESCRIPTION: Initialize and enable a GPE block. Enable GPEs that have |
398 | * associated methods. | |
96db255c BM |
399 | * Note: Assumes namespace is locked. |
400 | * | |
401 | ******************************************************************************/ | |
402 | ||
403 | acpi_status | |
a2100801 RW |
404 | acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, |
405 | struct acpi_gpe_block_info *gpe_block, | |
87cd826b | 406 | void *context) |
96db255c | 407 | { |
0f849d2c | 408 | acpi_status status; |
96db255c | 409 | struct acpi_gpe_event_info *gpe_event_info; |
96db255c | 410 | u32 gpe_enabled_count; |
0f849d2c | 411 | u32 gpe_index; |
67a119f9 BM |
412 | u32 i; |
413 | u32 j; | |
87cd826b | 414 | u8 *is_polling_needed = context; |
0fe0bebf | 415 | ACPI_ERROR_ONLY(u32 gpe_number); |
96db255c | 416 | |
b229cf92 | 417 | ACPI_FUNCTION_TRACE(ev_initialize_gpe_block); |
96db255c | 418 | |
a2100801 | 419 | /* |
da503373 LM |
420 | * Ignore a null GPE block (e.g., if no GPE block 1 exists), and |
421 | * any GPE blocks that have been initialized already. | |
a2100801 RW |
422 | */ |
423 | if (!gpe_block || gpe_block->initialized) { | |
96db255c BM |
424 | return_ACPI_STATUS(AE_OK); |
425 | } | |
426 | ||
1da177e4 | 427 | /* |
a2100801 | 428 | * Enable all GPEs that have a corresponding method and have the |
da503373 LM |
429 | * ACPI_GPE_CAN_WAKE flag unset. Any other GPEs within this block |
430 | * must be enabled via the acpi_enable_gpe() interface. | |
1da177e4 | 431 | */ |
1da177e4 | 432 | gpe_enabled_count = 0; |
0f849d2c | 433 | |
1da177e4 | 434 | for (i = 0; i < gpe_block->register_count; i++) { |
9630bdd9 | 435 | for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) { |
52fc0b02 | 436 | |
1da177e4 | 437 | /* Get the info block for this particular GPE */ |
0f849d2c LM |
438 | |
439 | gpe_index = (i * ACPI_GPE_REGISTER_WIDTH) + j; | |
9630bdd9 | 440 | gpe_event_info = &gpe_block->event_info[gpe_index]; |
0fe0bebf EK |
441 | ACPI_ERROR_ONLY(gpe_number = |
442 | gpe_block->block_base_number + | |
443 | gpe_index); | |
87cd826b | 444 | gpe_event_info->flags |= ACPI_GPE_INITIALIZED; |
ce43ace0 | 445 | |
bba63a29 LM |
446 | /* |
447 | * Ignore GPEs that have no corresponding _Lxx/_Exx method | |
ecc1165b | 448 | * and GPEs that are used for wakeup |
bba63a29 | 449 | */ |
ecc1165b RW |
450 | if ((ACPI_GPE_DISPATCH_TYPE(gpe_event_info->flags) != |
451 | ACPI_GPE_DISPATCH_METHOD) | |
a2100801 | 452 | || (gpe_event_info->flags & ACPI_GPE_CAN_WAKE)) { |
9630bdd9 | 453 | continue; |
0f849d2c LM |
454 | } |
455 | ||
3a37898d | 456 | status = acpi_ev_add_gpe_reference(gpe_event_info); |
0f849d2c LM |
457 | if (ACPI_FAILURE(status)) { |
458 | ACPI_EXCEPTION((AE_INFO, status, | |
a2100801 | 459 | "Could not enable GPE 0x%02X", |
ecc1165b | 460 | gpe_number)); |
0f849d2c LM |
461 | continue; |
462 | } | |
463 | ||
1312b7e0 RW |
464 | gpe_event_info->flags |= ACPI_GPE_AUTO_ENABLED; |
465 | ||
87cd826b EK |
466 | if (is_polling_needed && |
467 | ACPI_GPE_IS_POLLING_NEEDED(gpe_event_info)) { | |
468 | *is_polling_needed = TRUE; | |
ecc1165b RW |
469 | } |
470 | ||
0f849d2c | 471 | gpe_enabled_count++; |
1da177e4 LT |
472 | } |
473 | } | |
474 | ||
9874647b | 475 | if (gpe_enabled_count) { |
05fb04b5 | 476 | ACPI_INFO(("Enabled %u GPEs in block %02X to %02X", |
3e5621a7 BM |
477 | gpe_enabled_count, (u32)gpe_block->block_base_number, |
478 | (u32)(gpe_block->block_base_number + | |
479 | (gpe_block->gpe_count - 1)))); | |
186c307f | 480 | } |
1da177e4 | 481 | |
a2100801 RW |
482 | gpe_block->initialized = TRUE; |
483 | ||
9630bdd9 | 484 | return_ACPI_STATUS(AE_OK); |
1da177e4 | 485 | } |
33620c54 BM |
486 | |
487 | #endif /* !ACPI_REDUCED_HARDWARE */ |