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path: root/drivers/acpi/namespace/nseval.c
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-rw-r--r--drivers/acpi/namespace/nseval.c70
1 files changed, 50 insertions, 20 deletions
diff --git a/drivers/acpi/namespace/nseval.c b/drivers/acpi/namespace/nseval.c
index 0d008d53657e..1ae89a1c8826 100644
--- a/drivers/acpi/namespace/nseval.c
+++ b/drivers/acpi/namespace/nseval.c
@@ -52,19 +52,33 @@
52#define _COMPONENT ACPI_NAMESPACE 52#define _COMPONENT ACPI_NAMESPACE
53 ACPI_MODULE_NAME ("nseval") 53 ACPI_MODULE_NAME ("nseval")
54 54
55/* Local prototypes */
56
57static acpi_status
58acpi_ns_execute_control_method (
59 struct acpi_parameter_info *info);
60
61static acpi_status
62acpi_ns_get_object_value (
63 struct acpi_parameter_info *info);
64
55 65
56/******************************************************************************* 66/*******************************************************************************
57 * 67 *
58 * FUNCTION: acpi_ns_evaluate_relative 68 * FUNCTION: acpi_ns_evaluate_relative
59 * 69 *
60 * PARAMETERS: Pathname - Name of method to execute, If NULL, the 70 * PARAMETERS: Pathname - Name of method to execute, If NULL, the
61 * handle is the object to execute 71 * handle is the object to execute
62 * Info - Method info block 72 * Info - Method info block, contains:
73 * return_object - Where to put method's return value (if
74 * any). If NULL, no value is returned.
75 * Params - List of parameters to pass to the method,
76 * terminated by NULL. Params itself may be
77 * NULL if no parameters are being passed.
63 * 78 *
64 * RETURN: Status 79 * RETURN: Status
65 * 80 *
66 * DESCRIPTION: Find and execute the requested method using the handle as a 81 * DESCRIPTION: Evaluate the object or find and execute the requested method
67 * scope
68 * 82 *
69 * MUTEX: Locks Namespace 83 * MUTEX: Locks Namespace
70 * 84 *
@@ -157,8 +171,8 @@ cleanup1:
157 * 171 *
158 * FUNCTION: acpi_ns_evaluate_by_name 172 * FUNCTION: acpi_ns_evaluate_by_name
159 * 173 *
160 * PARAMETERS: Pathname - Fully qualified pathname to the object 174 * PARAMETERS: Pathname - Fully qualified pathname to the object
161 * Info - Contains: 175 * Info - Method info block, contains:
162 * return_object - Where to put method's return value (if 176 * return_object - Where to put method's return value (if
163 * any). If NULL, no value is returned. 177 * any). If NULL, no value is returned.
164 * Params - List of parameters to pass to the method, 178 * Params - List of parameters to pass to the method,
@@ -167,8 +181,8 @@ cleanup1:
167 * 181 *
168 * RETURN: Status 182 * RETURN: Status
169 * 183 *
170 * DESCRIPTION: Find and execute the requested method passing the given 184 * DESCRIPTION: Evaluate the object or rind and execute the requested method
171 * parameters 185 * passing the given parameters
172 * 186 *
173 * MUTEX: Locks Namespace 187 * MUTEX: Locks Namespace
174 * 188 *
@@ -241,17 +255,21 @@ cleanup:
241 * 255 *
242 * FUNCTION: acpi_ns_evaluate_by_handle 256 * FUNCTION: acpi_ns_evaluate_by_handle
243 * 257 *
244 * PARAMETERS: Handle - Method Node to execute 258 * PARAMETERS: Info - Method info block, contains:
245 * Params - List of parameters to pass to the method, 259 * Node - Method/Object Node to execute
246 * terminated by NULL. Params itself may be 260 * Parameters - List of parameters to pass to the method,
261 * terminated by NULL. Params itself may be
247 * NULL if no parameters are being passed. 262 * NULL if no parameters are being passed.
248 * param_type - Type of Parameter list 263 * return_object - Where to put method's return value (if
249 * return_object - Where to put method's return value (if 264 * any). If NULL, no value is returned.
250 * any). If NULL, no value is returned. 265 * parameter_type - Type of Parameter list
266 * return_object - Where to put method's return value (if
267 * any). If NULL, no value is returned.
251 * 268 *
252 * RETURN: Status 269 * RETURN: Status
253 * 270 *
254 * DESCRIPTION: Execute the requested method passing the given parameters 271 * DESCRIPTION: Evaluate object or execute the requested method passing the
272 * given parameters
255 * 273 *
256 * MUTEX: Locks Namespace 274 * MUTEX: Locks Namespace
257 * 275 *
@@ -345,7 +363,16 @@ acpi_ns_evaluate_by_handle (
345 * 363 *
346 * FUNCTION: acpi_ns_execute_control_method 364 * FUNCTION: acpi_ns_execute_control_method
347 * 365 *
348 * PARAMETERS: Info - Method info block (w/params) 366 * PARAMETERS: Info - Method info block, contains:
367 * Node - Method Node to execute
368 * Parameters - List of parameters to pass to the method,
369 * terminated by NULL. Params itself may be
370 * NULL if no parameters are being passed.
371 * return_object - Where to put method's return value (if
372 * any). If NULL, no value is returned.
373 * parameter_type - Type of Parameter list
374 * return_object - Where to put method's return value (if
375 * any). If NULL, no value is returned.
349 * 376 *
350 * RETURN: Status 377 * RETURN: Status
351 * 378 *
@@ -355,7 +382,7 @@ acpi_ns_evaluate_by_handle (
355 * 382 *
356 ******************************************************************************/ 383 ******************************************************************************/
357 384
358acpi_status 385static acpi_status
359acpi_ns_execute_control_method ( 386acpi_ns_execute_control_method (
360 struct acpi_parameter_info *info) 387 struct acpi_parameter_info *info)
361{ 388{
@@ -414,7 +441,10 @@ acpi_ns_execute_control_method (
414 * 441 *
415 * FUNCTION: acpi_ns_get_object_value 442 * FUNCTION: acpi_ns_get_object_value
416 * 443 *
417 * PARAMETERS: Info - Method info block (w/params) 444 * PARAMETERS: Info - Method info block, contains:
445 * Node - Object's NS node
446 * return_object - Where to put object value (if
447 * any). If NULL, no value is returned.
418 * 448 *
419 * RETURN: Status 449 * RETURN: Status
420 * 450 *
@@ -424,7 +454,7 @@ acpi_ns_execute_control_method (
424 * 454 *
425 ******************************************************************************/ 455 ******************************************************************************/
426 456
427acpi_status 457static acpi_status
428acpi_ns_get_object_value ( 458acpi_ns_get_object_value (
429 struct acpi_parameter_info *info) 459 struct acpi_parameter_info *info)
430{ 460{