diff options
Diffstat (limited to 'drivers/acpi/events/evxfevnt.c')
-rw-r--r-- | drivers/acpi/events/evxfevnt.c | 41 |
1 files changed, 15 insertions, 26 deletions
diff --git a/drivers/acpi/events/evxfevnt.c b/drivers/acpi/events/evxfevnt.c index 73bfd6bf962f..41554f736b68 100644 --- a/drivers/acpi/events/evxfevnt.c +++ b/drivers/acpi/events/evxfevnt.c | |||
@@ -248,21 +248,15 @@ ACPI_EXPORT_SYMBOL(acpi_set_gpe_type) | |||
248 | * DESCRIPTION: Enable an ACPI event (general purpose) | 248 | * DESCRIPTION: Enable an ACPI event (general purpose) |
249 | * | 249 | * |
250 | ******************************************************************************/ | 250 | ******************************************************************************/ |
251 | acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags) | 251 | acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number) |
252 | { | 252 | { |
253 | acpi_status status = AE_OK; | 253 | acpi_status status = AE_OK; |
254 | acpi_cpu_flags flags; | ||
254 | struct acpi_gpe_event_info *gpe_event_info; | 255 | struct acpi_gpe_event_info *gpe_event_info; |
255 | 256 | ||
256 | ACPI_FUNCTION_TRACE(acpi_enable_gpe); | 257 | ACPI_FUNCTION_TRACE(acpi_enable_gpe); |
257 | 258 | ||
258 | /* Use semaphore lock if not executing at interrupt level */ | 259 | flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock); |
259 | |||
260 | if (flags & ACPI_NOT_ISR) { | ||
261 | status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); | ||
262 | if (ACPI_FAILURE(status)) { | ||
263 | return_ACPI_STATUS(status); | ||
264 | } | ||
265 | } | ||
266 | 260 | ||
267 | /* Ensure that we have a valid GPE number */ | 261 | /* Ensure that we have a valid GPE number */ |
268 | 262 | ||
@@ -277,9 +271,7 @@ acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags) | |||
277 | status = acpi_ev_enable_gpe(gpe_event_info, TRUE); | 271 | status = acpi_ev_enable_gpe(gpe_event_info, TRUE); |
278 | 272 | ||
279 | unlock_and_exit: | 273 | unlock_and_exit: |
280 | if (flags & ACPI_NOT_ISR) { | 274 | acpi_os_release_lock(acpi_gbl_gpe_lock, flags); |
281 | (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); | ||
282 | } | ||
283 | return_ACPI_STATUS(status); | 275 | return_ACPI_STATUS(status); |
284 | } | 276 | } |
285 | 277 | ||
@@ -299,22 +291,15 @@ ACPI_EXPORT_SYMBOL(acpi_enable_gpe) | |||
299 | * DESCRIPTION: Disable an ACPI event (general purpose) | 291 | * DESCRIPTION: Disable an ACPI event (general purpose) |
300 | * | 292 | * |
301 | ******************************************************************************/ | 293 | ******************************************************************************/ |
302 | acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags) | 294 | acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number) |
303 | { | 295 | { |
304 | acpi_status status = AE_OK; | 296 | acpi_status status = AE_OK; |
297 | acpi_cpu_flags flags; | ||
305 | struct acpi_gpe_event_info *gpe_event_info; | 298 | struct acpi_gpe_event_info *gpe_event_info; |
306 | 299 | ||
307 | ACPI_FUNCTION_TRACE(acpi_disable_gpe); | 300 | ACPI_FUNCTION_TRACE(acpi_disable_gpe); |
308 | 301 | ||
309 | /* Use semaphore lock if not executing at interrupt level */ | 302 | flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock); |
310 | |||
311 | if (flags & ACPI_NOT_ISR) { | ||
312 | status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); | ||
313 | if (ACPI_FAILURE(status)) { | ||
314 | return_ACPI_STATUS(status); | ||
315 | } | ||
316 | } | ||
317 | |||
318 | /* Ensure that we have a valid GPE number */ | 303 | /* Ensure that we have a valid GPE number */ |
319 | 304 | ||
320 | gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number); | 305 | gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number); |
@@ -325,10 +310,8 @@ acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags) | |||
325 | 310 | ||
326 | status = acpi_ev_disable_gpe(gpe_event_info); | 311 | status = acpi_ev_disable_gpe(gpe_event_info); |
327 | 312 | ||
328 | unlock_and_exit: | 313 | unlock_and_exit: |
329 | if (flags & ACPI_NOT_ISR) { | 314 | acpi_os_release_lock(acpi_gbl_gpe_lock, flags); |
330 | (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); | ||
331 | } | ||
332 | return_ACPI_STATUS(status); | 315 | return_ACPI_STATUS(status); |
333 | } | 316 | } |
334 | 317 | ||
@@ -521,6 +504,9 @@ acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status) | |||
521 | if (value) | 504 | if (value) |
522 | *event_status |= ACPI_EVENT_FLAG_SET; | 505 | *event_status |= ACPI_EVENT_FLAG_SET; |
523 | 506 | ||
507 | if (acpi_gbl_fixed_event_handlers[event].handler) | ||
508 | *event_status |= ACPI_EVENT_FLAG_HANDLE; | ||
509 | |||
524 | return_ACPI_STATUS(status); | 510 | return_ACPI_STATUS(status); |
525 | } | 511 | } |
526 | 512 | ||
@@ -571,6 +557,9 @@ acpi_get_gpe_status(acpi_handle gpe_device, | |||
571 | 557 | ||
572 | status = acpi_hw_get_gpe_status(gpe_event_info, event_status); | 558 | status = acpi_hw_get_gpe_status(gpe_event_info, event_status); |
573 | 559 | ||
560 | if (gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) | ||
561 | *event_status |= ACPI_EVENT_FLAG_HANDLE; | ||
562 | |||
574 | unlock_and_exit: | 563 | unlock_and_exit: |
575 | if (flags & ACPI_NOT_ISR) { | 564 | if (flags & ACPI_NOT_ISR) { |
576 | (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); | 565 | (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); |