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-rw-r--r--drivers/acpi/executer/exsystem.c78
1 files changed, 1 insertions, 77 deletions
diff --git a/drivers/acpi/executer/exsystem.c b/drivers/acpi/executer/exsystem.c
index 28aef3e69ecc..3b9736a3e1b7 100644
--- a/drivers/acpi/executer/exsystem.c
+++ b/drivers/acpi/executer/exsystem.c
@@ -227,82 +227,6 @@ acpi_status acpi_ex_system_do_suspend(acpi_integer how_long)
227 227
228/******************************************************************************* 228/*******************************************************************************
229 * 229 *
230 * FUNCTION: acpi_ex_system_acquire_mutex
231 *
232 * PARAMETERS: time_desc - Maximum time to wait for the mutex
233 * obj_desc - The object descriptor for this op
234 *
235 * RETURN: Status
236 *
237 * DESCRIPTION: Provides an access point to perform synchronization operations
238 * within the AML. This function will cause a lock to be generated
239 * for the Mutex pointed to by obj_desc.
240 *
241 ******************************************************************************/
242
243acpi_status
244acpi_ex_system_acquire_mutex(union acpi_operand_object * time_desc,
245 union acpi_operand_object * obj_desc)
246{
247 acpi_status status = AE_OK;
248
249 ACPI_FUNCTION_TRACE_PTR(ex_system_acquire_mutex, obj_desc);
250
251 if (!obj_desc) {
252 return_ACPI_STATUS(AE_BAD_PARAMETER);
253 }
254
255 /* Support for the _GL_ Mutex object -- go get the global lock */
256
257 if (obj_desc->mutex.os_mutex == ACPI_GLOBAL_LOCK) {
258 status =
259 acpi_ev_acquire_global_lock((u16) time_desc->integer.value);
260 return_ACPI_STATUS(status);
261 }
262
263 status = acpi_ex_system_wait_mutex(obj_desc->mutex.os_mutex,
264 (u16) time_desc->integer.value);
265 return_ACPI_STATUS(status);
266}
267
268/*******************************************************************************
269 *
270 * FUNCTION: acpi_ex_system_release_mutex
271 *
272 * PARAMETERS: obj_desc - The object descriptor for this op
273 *
274 * RETURN: Status
275 *
276 * DESCRIPTION: Provides an access point to perform synchronization operations
277 * within the AML. This operation is a request to release a
278 * previously acquired Mutex. If the Mutex variable is set then
279 * it will be decremented.
280 *
281 ******************************************************************************/
282
283acpi_status acpi_ex_system_release_mutex(union acpi_operand_object *obj_desc)
284{
285 acpi_status status = AE_OK;
286
287 ACPI_FUNCTION_TRACE(ex_system_release_mutex);
288
289 if (!obj_desc) {
290 return_ACPI_STATUS(AE_BAD_PARAMETER);
291 }
292
293 /* Support for the _GL_ Mutex object -- release the global lock */
294
295 if (obj_desc->mutex.os_mutex == ACPI_GLOBAL_LOCK) {
296 status = acpi_ev_release_global_lock();
297 return_ACPI_STATUS(status);
298 }
299
300 acpi_os_release_mutex(obj_desc->mutex.os_mutex);
301 return_ACPI_STATUS(AE_OK);
302}
303
304/*******************************************************************************
305 *
306 * FUNCTION: acpi_ex_system_signal_event 230 * FUNCTION: acpi_ex_system_signal_event
307 * 231 *
308 * PARAMETERS: obj_desc - The object descriptor for this op 232 * PARAMETERS: obj_desc - The object descriptor for this op
@@ -314,7 +238,7 @@ acpi_status acpi_ex_system_release_mutex(union acpi_operand_object *obj_desc)
314 * 238 *
315 ******************************************************************************/ 239 ******************************************************************************/
316 240
317acpi_status acpi_ex_system_signal_event(union acpi_operand_object *obj_desc) 241acpi_status acpi_ex_system_signal_event(union acpi_operand_object * obj_desc)
318{ 242{
319 acpi_status status = AE_OK; 243 acpi_status status = AE_OK;
320 244